Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

47 files changed, 33507 insertions, 0 deletions

diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
new file mode 100644
index 00000000..d877c361
--- /dev/null
+++ b/drivers/video/omap2/Kconfig
@@ -0,0 +1,9 @@
+config OMAP2_VRAM
+	bool
+
+config OMAP2_VRFB
+	bool
+
+source "drivers/video/omap2/dss/Kconfig"
+source "drivers/video/omap2/omapfb/Kconfig"
+source "drivers/video/omap2/displays/Kconfig"
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
new file mode 100644
index 00000000..5ddef129
--- /dev/null
+++ b/drivers/video/omap2/Makefile
@@ -0,0 +1,6 @@
+obj-$(CONFIG_OMAP2_VRAM) += vram.o
+obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
+
+obj-$(CONFIG_OMAP2_DSS) += dss/
+obj-$(CONFIG_FB_OMAP2) += omapfb/
+obj-y += displays/
diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
new file mode 100644
index 00000000..408a9927
--- /dev/null
+++ b/drivers/video/omap2/displays/Kconfig
@@ -0,0 +1,75 @@
+menu "OMAP2/3 Display Device Drivers"
+        depends on OMAP2_DSS
+
+config PANEL_GENERIC_DPI
+        tristate "Generic DPI Panel"
+	depends on OMAP2_DSS_DPI
+        help
+	  Generic DPI panel driver.
+	  Supports DVI output for Beagle and OMAP3 SDP.
+	  Supports LCD Panel used in TI SDP3430 and EVM boards,
+	  OMAP3517 EVM boards and CM-T35.
+
+config PANEL_DVI
+	tristate "DVI output"
+	depends on OMAP2_DSS_DPI && I2C
+	help
+	  Driver for external monitors, connected via DVI. The driver uses i2c
+	  to read EDID information from the monitor.
+
+config PANEL_LGPHILIPS_LB035Q02
+	tristate "LG.Philips LB035Q02 LCD Panel"
+	depends on OMAP2_DSS_DPI && SPI
+	help
+	  LCD Panel used on the Gumstix Overo Palo35
+
+config PANEL_SHARP_LS037V7DW01
+        tristate "Sharp LS037V7DW01 LCD Panel"
+        depends on OMAP2_DSS_DPI
+        depends on BACKLIGHT_CLASS_DEVICE
+        help
+          LCD Panel used in TI's SDP3430 and EVM boards
+
+config PANEL_NEC_NL8048HL11_01B
+	tristate "NEC NL8048HL11-01B Panel"
+	depends on OMAP2_DSS_DPI
+	depends on SPI
+	depends on BACKLIGHT_CLASS_DEVICE
+	help
+		This NEC NL8048HL11-01B panel is TFT LCD
+		used in the Zoom2/3/3630 sdp boards.
+
+config PANEL_PICODLP
+	tristate "TI PICO DLP mini-projector"
+	depends on OMAP2_DSS_DPI && I2C
+	help
+		A mini-projector used in TI's SDP4430 and EVM boards
+		For more info please visit http://www.dlp.com/projector/
+
+config PANEL_TAAL
+        tristate "Taal DSI Panel"
+        depends on OMAP2_DSS_DSI
+        depends on BACKLIGHT_CLASS_DEVICE
+        help
+          Taal DSI command mode panel from TPO.
+
+config PANEL_TPO_TD043MTEA1
+        tristate "TPO TD043MTEA1 LCD Panel"
+        depends on OMAP2_DSS_DPI && SPI
+        help
+          LCD Panel used in OMAP3 Pandora
+
+config PANEL_ACX565AKM
+	tristate "ACX565AKM Panel"
+	depends on OMAP2_DSS_SDI && SPI
+	depends on BACKLIGHT_CLASS_DEVICE
+	help
+	  This is the LCD panel used on Nokia N900
+
+config PANEL_N8X0
+	tristate "N8X0 Panel"
+	depends on OMAP2_DSS_RFBI && SPI
+	depends on BACKLIGHT_CLASS_DEVICE
+	help
+	  This is the LCD panel used on Nokia N8x0
+endmenu
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
new file mode 100644
index 00000000..fbfafc6e
--- /dev/null
+++ b/drivers/video/omap2/displays/Makefile
@@ -0,0 +1,11 @@
+obj-$(CONFIG_PANEL_GENERIC_DPI) += panel-generic-dpi.o
+obj-$(CONFIG_PANEL_DVI) += panel-dvi.o
+obj-$(CONFIG_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o
+obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+obj-$(CONFIG_PANEL_NEC_NL8048HL11_01B) += panel-nec-nl8048hl11-01b.o
+
+obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
+obj-$(CONFIG_PANEL_PICODLP) +=  panel-picodlp.o
+obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
+obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
+obj-$(CONFIG_PANEL_N8X0) += panel-n8x0.o
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
new file mode 100644
index 00000000..d26f37ac
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -0,0 +1,816 @@
+/*
+ * Support for ACX565AKM LCD Panel used on Nokia N900
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Original Driver Author: Imre Deak <imre.deak@nokia.com>
+ * Based on panel-generic.c by Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ * Adapted to new DSS2 framework: Roger Quadros <roger.quadros@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+#include <linux/jiffies.h>
+#include <linux/sched.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+
+#include <video/omapdss.h>
+
+#define MIPID_CMD_READ_DISP_ID		0x04
+#define MIPID_CMD_READ_RED		0x06
+#define MIPID_CMD_READ_GREEN		0x07
+#define MIPID_CMD_READ_BLUE		0x08
+#define MIPID_CMD_READ_DISP_STATUS	0x09
+#define MIPID_CMD_RDDSDR		0x0F
+#define MIPID_CMD_SLEEP_IN		0x10
+#define MIPID_CMD_SLEEP_OUT		0x11
+#define MIPID_CMD_DISP_OFF		0x28
+#define MIPID_CMD_DISP_ON		0x29
+#define MIPID_CMD_WRITE_DISP_BRIGHTNESS	0x51
+#define MIPID_CMD_READ_DISP_BRIGHTNESS	0x52
+#define MIPID_CMD_WRITE_CTRL_DISP	0x53
+
+#define CTRL_DISP_BRIGHTNESS_CTRL_ON	(1 << 5)
+#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON	(1 << 4)
+#define CTRL_DISP_BACKLIGHT_ON		(1 << 2)
+#define CTRL_DISP_AUTO_BRIGHTNESS_ON	(1 << 1)
+
+#define MIPID_CMD_READ_CTRL_DISP	0x54
+#define MIPID_CMD_WRITE_CABC		0x55
+#define MIPID_CMD_READ_CABC		0x56
+
+#define MIPID_VER_LPH8923		3
+#define MIPID_VER_LS041Y3		4
+#define MIPID_VER_L4F00311		8
+#define MIPID_VER_ACX565AKM		9
+
+struct acx565akm_device {
+	char		*name;
+	int		enabled;
+	int		model;
+	int		revision;
+	u8		display_id[3];
+	unsigned	has_bc:1;
+	unsigned	has_cabc:1;
+	unsigned	cabc_mode;
+	unsigned long	hw_guard_end;		/* next value of jiffies
+						   when we can issue the
+						   next sleep in/out command */
+	unsigned long	hw_guard_wait;		/* max guard time in jiffies */
+
+	struct spi_device	*spi;
+	struct mutex		mutex;
+
+	struct omap_dss_device	*dssdev;
+	struct backlight_device *bl_dev;
+};
+
+static struct acx565akm_device acx_dev;
+static int acx565akm_bl_update_status(struct backlight_device *dev);
+
+/*--------------------MIPID interface-----------------------------*/
+
+static void acx565akm_transfer(struct acx565akm_device *md, int cmd,
+			      const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
+{
+	struct spi_message	m;
+	struct spi_transfer	*x, xfer[5];
+	int			r;
+
+	BUG_ON(md->spi == NULL);
+
+	spi_message_init(&m);
+
+	memset(xfer, 0, sizeof(xfer));
+	x = &xfer[0];
+
+	cmd &=  0xff;
+	x->tx_buf = &cmd;
+	x->bits_per_word = 9;
+	x->len = 2;
+
+	if (rlen > 1 && wlen == 0) {
+		/*
+		 * Between the command and the response data there is a
+		 * dummy clock cycle. Add an extra bit after the command
+		 * word to account for this.
+		 */
+		x->bits_per_word = 10;
+		cmd <<= 1;
+	}
+	spi_message_add_tail(x, &m);
+
+	if (wlen) {
+		x++;
+		x->tx_buf = wbuf;
+		x->len = wlen;
+		x->bits_per_word = 9;
+		spi_message_add_tail(x, &m);
+	}
+
+	if (rlen) {
+		x++;
+		x->rx_buf	= rbuf;
+		x->len		= rlen;
+		spi_message_add_tail(x, &m);
+	}
+
+	r = spi_sync(md->spi, &m);
+	if (r < 0)
+		dev_dbg(&md->spi->dev, "spi_sync %d\n", r);
+}
+
+static inline void acx565akm_cmd(struct acx565akm_device *md, int cmd)
+{
+	acx565akm_transfer(md, cmd, NULL, 0, NULL, 0);
+}
+
+static inline void acx565akm_write(struct acx565akm_device *md,
+			       int reg, const u8 *buf, int len)
+{
+	acx565akm_transfer(md, reg, buf, len, NULL, 0);
+}
+
+static inline void acx565akm_read(struct acx565akm_device *md,
+			      int reg, u8 *buf, int len)
+{
+	acx565akm_transfer(md, reg, NULL, 0, buf, len);
+}
+
+static void hw_guard_start(struct acx565akm_device *md, int guard_msec)
+{
+	md->hw_guard_wait = msecs_to_jiffies(guard_msec);
+	md->hw_guard_end = jiffies + md->hw_guard_wait;
+}
+
+static void hw_guard_wait(struct acx565akm_device *md)
+{
+	unsigned long wait = md->hw_guard_end - jiffies;
+
+	if ((long)wait > 0 && wait <= md->hw_guard_wait) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_timeout(wait);
+	}
+}
+
+/*----------------------MIPID wrappers----------------------------*/
+
+static void set_sleep_mode(struct acx565akm_device *md, int on)
+{
+	int cmd;
+
+	if (on)
+		cmd = MIPID_CMD_SLEEP_IN;
+	else
+		cmd = MIPID_CMD_SLEEP_OUT;
+	/*
+	 * We have to keep 120msec between sleep in/out commands.
+	 * (8.2.15, 8.2.16).
+	 */
+	hw_guard_wait(md);
+	acx565akm_cmd(md, cmd);
+	hw_guard_start(md, 120);
+}
+
+static void set_display_state(struct acx565akm_device *md, int enabled)
+{
+	int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
+
+	acx565akm_cmd(md, cmd);
+}
+
+static int panel_enabled(struct acx565akm_device *md)
+{
+	u32 disp_status;
+	int enabled;
+
+	acx565akm_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4);
+	disp_status = __be32_to_cpu(disp_status);
+	enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
+	dev_dbg(&md->spi->dev,
+		"LCD panel %senabled by bootloader (status 0x%04x)\n",
+		enabled ? "" : "not ", disp_status);
+	return enabled;
+}
+
+static int panel_detect(struct acx565akm_device *md)
+{
+	acx565akm_read(md, MIPID_CMD_READ_DISP_ID, md->display_id, 3);
+	dev_dbg(&md->spi->dev, "MIPI display ID: %02x%02x%02x\n",
+		md->display_id[0], md->display_id[1], md->display_id[2]);
+
+	switch (md->display_id[0]) {
+	case 0x10:
+		md->model = MIPID_VER_ACX565AKM;
+		md->name = "acx565akm";
+		md->has_bc = 1;
+		md->has_cabc = 1;
+		break;
+	case 0x29:
+		md->model = MIPID_VER_L4F00311;
+		md->name = "l4f00311";
+		break;
+	case 0x45:
+		md->model = MIPID_VER_LPH8923;
+		md->name = "lph8923";
+		break;
+	case 0x83:
+		md->model = MIPID_VER_LS041Y3;
+		md->name = "ls041y3";
+		break;
+	default:
+		md->name = "unknown";
+		dev_err(&md->spi->dev, "invalid display ID\n");
+		return -ENODEV;
+	}
+
+	md->revision = md->display_id[1];
+
+	dev_info(&md->spi->dev, "omapfb: %s rev %02x LCD detected\n",
+			md->name, md->revision);
+
+	return 0;
+}
+
+/*----------------------Backlight Control-------------------------*/
+
+static void enable_backlight_ctrl(struct acx565akm_device *md, int enable)
+{
+	u16 ctrl;
+
+	acx565akm_read(md, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
+	if (enable) {
+		ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
+			CTRL_DISP_BACKLIGHT_ON;
+	} else {
+		ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
+			  CTRL_DISP_BACKLIGHT_ON);
+	}
+
+	ctrl |= 1 << 8;
+	acx565akm_write(md, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
+}
+
+static void set_cabc_mode(struct acx565akm_device *md, unsigned mode)
+{
+	u16 cabc_ctrl;
+
+	md->cabc_mode = mode;
+	if (!md->enabled)
+		return;
+	cabc_ctrl = 0;
+	acx565akm_read(md, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
+	cabc_ctrl &= ~3;
+	cabc_ctrl |= (1 << 8) | (mode & 3);
+	acx565akm_write(md, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
+}
+
+static unsigned get_cabc_mode(struct acx565akm_device *md)
+{
+	return md->cabc_mode;
+}
+
+static unsigned get_hw_cabc_mode(struct acx565akm_device *md)
+{
+	u8 cabc_ctrl;
+
+	acx565akm_read(md, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
+	return cabc_ctrl & 3;
+}
+
+static void acx565akm_set_brightness(struct acx565akm_device *md, int level)
+{
+	int bv;
+
+	bv = level | (1 << 8);
+	acx565akm_write(md, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
+
+	if (level)
+		enable_backlight_ctrl(md, 1);
+	else
+		enable_backlight_ctrl(md, 0);
+}
+
+static int acx565akm_get_actual_brightness(struct acx565akm_device *md)
+{
+	u8 bv;
+
+	acx565akm_read(md, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
+
+	return bv;
+}
+
+
+static int acx565akm_bl_update_status(struct backlight_device *dev)
+{
+	struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
+	int r;
+	int level;
+
+	dev_dbg(&md->spi->dev, "%s\n", __func__);
+
+	mutex_lock(&md->mutex);
+
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK)
+		level = dev->props.brightness;
+	else
+		level = 0;
+
+	r = 0;
+	if (md->has_bc)
+		acx565akm_set_brightness(md, level);
+	else if (md->dssdev->set_backlight)
+		r = md->dssdev->set_backlight(md->dssdev, level);
+	else
+		r = -ENODEV;
+
+	mutex_unlock(&md->mutex);
+
+	return r;
+}
+
+static int acx565akm_bl_get_intensity(struct backlight_device *dev)
+{
+	struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
+
+	dev_dbg(&dev->dev, "%s\n", __func__);
+
+	if (!md->has_bc && md->dssdev->set_backlight == NULL)
+		return -ENODEV;
+
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK) {
+		if (md->has_bc)
+			return acx565akm_get_actual_brightness(md);
+		else
+			return dev->props.brightness;
+	}
+
+	return 0;
+}
+
+static const struct backlight_ops acx565akm_bl_ops = {
+	.get_brightness = acx565akm_bl_get_intensity,
+	.update_status  = acx565akm_bl_update_status,
+};
+
+/*--------------------Auto Brightness control via Sysfs---------------------*/
+
+static const char *cabc_modes[] = {
+	"off",		/* always used when CABC is not supported */
+	"ui",
+	"still-image",
+	"moving-image",
+};
+
+static ssize_t show_cabc_mode(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct acx565akm_device *md = dev_get_drvdata(dev);
+	const char *mode_str;
+	int mode;
+	int len;
+
+	if (!md->has_cabc)
+		mode = 0;
+	else
+		mode = get_cabc_mode(md);
+	mode_str = "unknown";
+	if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
+		mode_str = cabc_modes[mode];
+	len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
+
+	return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
+}
+
+static ssize_t store_cabc_mode(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct acx565akm_device *md = dev_get_drvdata(dev);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
+		const char *mode_str = cabc_modes[i];
+		int cmp_len = strlen(mode_str);
+
+		if (count > 0 && buf[count - 1] == '\n')
+			count--;
+		if (count != cmp_len)
+			continue;
+
+		if (strncmp(buf, mode_str, cmp_len) == 0)
+			break;
+	}
+
+	if (i == ARRAY_SIZE(cabc_modes))
+		return -EINVAL;
+
+	if (!md->has_cabc && i != 0)
+		return -EINVAL;
+
+	mutex_lock(&md->mutex);
+	set_cabc_mode(md, i);
+	mutex_unlock(&md->mutex);
+
+	return count;
+}
+
+static ssize_t show_cabc_available_modes(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct acx565akm_device *md = dev_get_drvdata(dev);
+	int len;
+	int i;
+
+	if (!md->has_cabc)
+		return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
+
+	for (i = 0, len = 0;
+	     len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
+		len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
+			i ? " " : "", cabc_modes[i],
+			i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
+
+	return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
+}
+
+static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
+		show_cabc_mode, store_cabc_mode);
+static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
+		show_cabc_available_modes, NULL);
+
+static struct attribute *bldev_attrs[] = {
+	&dev_attr_cabc_mode.attr,
+	&dev_attr_cabc_available_modes.attr,
+	NULL,
+};
+
+static struct attribute_group bldev_attr_group = {
+	.attrs = bldev_attrs,
+};
+
+
+/*---------------------------ACX Panel----------------------------*/
+
+static int acx_get_recommended_bpp(struct omap_dss_device *dssdev)
+{
+	return 16;
+}
+
+static struct omap_video_timings acx_panel_timings = {
+	.x_res		= 800,
+	.y_res		= 480,
+	.pixel_clock	= 24000,
+	.hfp		= 28,
+	.hsw		= 4,
+	.hbp		= 24,
+	.vfp		= 3,
+	.vsw		= 3,
+	.vbp		= 4,
+};
+
+static int acx_panel_probe(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct acx565akm_device *md = &acx_dev;
+	struct backlight_device *bldev;
+	int max_brightness, brightness;
+	struct backlight_properties props;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					OMAP_DSS_LCD_IHS;
+	/* FIXME AC bias ? */
+	dssdev->panel.timings = acx_panel_timings;
+
+	if (dssdev->platform_enable)
+		dssdev->platform_enable(dssdev);
+	/*
+	 * After reset we have to wait 5 msec before the first
+	 * command can be sent.
+	 */
+	msleep(5);
+
+	md->enabled = panel_enabled(md);
+
+	r = panel_detect(md);
+	if (r) {
+		dev_err(&dssdev->dev, "%s panel detect error\n", __func__);
+		if (!md->enabled && dssdev->platform_disable)
+			dssdev->platform_disable(dssdev);
+		return r;
+	}
+
+	mutex_lock(&acx_dev.mutex);
+	acx_dev.dssdev = dssdev;
+	mutex_unlock(&acx_dev.mutex);
+
+	if (!md->enabled) {
+		if (dssdev->platform_disable)
+			dssdev->platform_disable(dssdev);
+	}
+
+	/*------- Backlight control --------*/
+
+	props.fb_blank = FB_BLANK_UNBLANK;
+	props.power = FB_BLANK_UNBLANK;
+	props.type = BACKLIGHT_RAW;
+
+	bldev = backlight_device_register("acx565akm", &md->spi->dev,
+			md, &acx565akm_bl_ops, &props);
+	md->bl_dev = bldev;
+	if (md->has_cabc) {
+		r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
+		if (r) {
+			dev_err(&bldev->dev,
+				"%s failed to create sysfs files\n", __func__);
+			backlight_device_unregister(bldev);
+			return r;
+		}
+		md->cabc_mode = get_hw_cabc_mode(md);
+	}
+
+	if (md->has_bc)
+		max_brightness = 255;
+	else
+		max_brightness = dssdev->max_backlight_level;
+
+	if (md->has_bc)
+		brightness = acx565akm_get_actual_brightness(md);
+	else if (dssdev->get_backlight)
+		brightness = dssdev->get_backlight(dssdev);
+	else
+		brightness = 0;
+
+	bldev->props.max_brightness = max_brightness;
+	bldev->props.brightness = brightness;
+
+	acx565akm_bl_update_status(bldev);
+	return 0;
+}
+
+static void acx_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct acx565akm_device *md = &acx_dev;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	sysfs_remove_group(&md->bl_dev->dev.kobj, &bldev_attr_group);
+	backlight_device_unregister(md->bl_dev);
+	mutex_lock(&acx_dev.mutex);
+	acx_dev.dssdev = NULL;
+	mutex_unlock(&acx_dev.mutex);
+}
+
+static int acx_panel_power_on(struct omap_dss_device *dssdev)
+{
+	struct acx565akm_device *md = &acx_dev;
+	int r;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	mutex_lock(&md->mutex);
+
+	r = omapdss_sdi_display_enable(dssdev);
+	if (r) {
+		pr_err("%s sdi enable failed\n", __func__);
+		goto fail_unlock;
+	}
+
+	/*FIXME tweak me */
+	msleep(50);
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto fail;
+	}
+
+	if (md->enabled) {
+		dev_dbg(&md->spi->dev, "panel already enabled\n");
+		mutex_unlock(&md->mutex);
+		return 0;
+	}
+
+	/*
+	 * We have to meet all the following delay requirements:
+	 * 1. tRW: reset pulse width 10usec (7.12.1)
+	 * 2. tRT: reset cancel time 5msec (7.12.1)
+	 * 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
+	 *    case (7.6.2)
+	 * 4. 120msec before the sleep out command (7.12.1)
+	 */
+	msleep(120);
+
+	set_sleep_mode(md, 0);
+	md->enabled = 1;
+
+	/* 5msec between sleep out and the next command. (8.2.16) */
+	msleep(5);
+	set_display_state(md, 1);
+	set_cabc_mode(md, md->cabc_mode);
+
+	mutex_unlock(&md->mutex);
+
+	return acx565akm_bl_update_status(md->bl_dev);
+fail:
+	omapdss_sdi_display_disable(dssdev);
+fail_unlock:
+	mutex_unlock(&md->mutex);
+	return r;
+}
+
+static void acx_panel_power_off(struct omap_dss_device *dssdev)
+{
+	struct acx565akm_device *md = &acx_dev;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	mutex_lock(&md->mutex);
+
+	if (!md->enabled) {
+		mutex_unlock(&md->mutex);
+		return;
+	}
+	set_display_state(md, 0);
+	set_sleep_mode(md, 1);
+	md->enabled = 0;
+	/*
+	 * We have to provide PCLK,HS,VS signals for 2 frames (worst case
+	 * ~50msec) after sending the sleep in command and asserting the
+	 * reset signal. We probably could assert the reset w/o the delay
+	 * but we still delay to avoid possible artifacts. (7.6.1)
+	 */
+	msleep(50);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	/* FIXME need to tweak this delay */
+	msleep(100);
+
+	omapdss_sdi_display_disable(dssdev);
+
+	mutex_unlock(&md->mutex);
+}
+
+static int acx_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	r = acx_panel_power_on(dssdev);
+
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return 0;
+}
+
+static void acx_panel_disable(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	acx_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int acx_panel_suspend(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	acx_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int acx_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	dev_dbg(&dssdev->dev, "%s\n", __func__);
+	r = acx_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return 0;
+}
+
+static void acx_panel_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	int r;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		omapdss_sdi_display_disable(dssdev);
+
+	dssdev->panel.timings = *timings;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		r = omapdss_sdi_display_enable(dssdev);
+		if (r)
+			dev_err(&dssdev->dev, "%s enable failed\n", __func__);
+	}
+}
+
+static void acx_panel_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static int acx_panel_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	return 0;
+}
+
+
+static struct omap_dss_driver acx_panel_driver = {
+	.probe		= acx_panel_probe,
+	.remove		= acx_panel_remove,
+
+	.enable		= acx_panel_enable,
+	.disable	= acx_panel_disable,
+	.suspend	= acx_panel_suspend,
+	.resume		= acx_panel_resume,
+
+	.set_timings	= acx_panel_set_timings,
+	.get_timings	= acx_panel_get_timings,
+	.check_timings	= acx_panel_check_timings,
+
+	.get_recommended_bpp = acx_get_recommended_bpp,
+
+	.driver         = {
+		.name   = "panel-acx565akm",
+		.owner  = THIS_MODULE,
+	},
+};
+
+/*--------------------SPI probe-------------------------*/
+
+static int acx565akm_spi_probe(struct spi_device *spi)
+{
+	struct acx565akm_device *md = &acx_dev;
+
+	dev_dbg(&spi->dev, "%s\n", __func__);
+
+	spi->mode = SPI_MODE_3;
+	md->spi = spi;
+	mutex_init(&md->mutex);
+	dev_set_drvdata(&spi->dev, md);
+
+	omap_dss_register_driver(&acx_panel_driver);
+
+	return 0;
+}
+
+static int acx565akm_spi_remove(struct spi_device *spi)
+{
+	struct acx565akm_device *md = dev_get_drvdata(&spi->dev);
+
+	dev_dbg(&md->spi->dev, "%s\n", __func__);
+	omap_dss_unregister_driver(&acx_panel_driver);
+
+	return 0;
+}
+
+static struct spi_driver acx565akm_spi_driver = {
+	.driver = {
+		.name	= "acx565akm",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= acx565akm_spi_probe,
+	.remove	= __devexit_p(acx565akm_spi_remove),
+};
+
+module_spi_driver(acx565akm_spi_driver);
+
+MODULE_AUTHOR("Nokia Corporation");
+MODULE_DESCRIPTION("acx565akm LCD Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-dvi.c b/drivers/video/omap2/displays/panel-dvi.c
new file mode 100644
index 00000000..03eb14af
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-dvi.c
@@ -0,0 +1,363 @@
+/*
+ * DVI output support
+ *
+ * Copyright (C) 2011 Texas Instruments Inc
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <video/omapdss.h>
+#include <linux/i2c.h>
+#include <drm/drm_edid.h>
+
+#include <video/omap-panel-dvi.h>
+
+static const struct omap_video_timings panel_dvi_default_timings = {
+	.x_res		= 640,
+	.y_res		= 480,
+
+	.pixel_clock	= 23500,
+
+	.hfp		= 48,
+	.hsw		= 32,
+	.hbp		= 80,
+
+	.vfp		= 3,
+	.vsw		= 4,
+	.vbp		= 7,
+};
+
+struct panel_drv_data {
+	struct omap_dss_device *dssdev;
+
+	struct mutex lock;
+};
+
+static inline struct panel_dvi_platform_data
+*get_pdata(const struct omap_dss_device *dssdev)
+{
+	return dssdev->data;
+}
+
+static int panel_dvi_power_on(struct omap_dss_device *dssdev)
+{
+	struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+	int r;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (pdata->platform_enable) {
+		r = pdata->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void panel_dvi_power_off(struct omap_dss_device *dssdev)
+{
+	struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	if (pdata->platform_disable)
+		pdata->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int panel_dvi_probe(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata;
+
+	ddata = kzalloc(sizeof(*ddata), GFP_KERNEL);
+	if (!ddata)
+		return -ENOMEM;
+
+	dssdev->panel.timings = panel_dvi_default_timings;
+	dssdev->panel.config = OMAP_DSS_LCD_TFT;
+
+	ddata->dssdev = dssdev;
+	mutex_init(&ddata->lock);
+
+	dev_set_drvdata(&dssdev->dev, ddata);
+
+	return 0;
+}
+
+static void __exit panel_dvi_remove(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ddata->lock);
+
+	dev_set_drvdata(&dssdev->dev, NULL);
+
+	mutex_unlock(&ddata->lock);
+
+	kfree(ddata);
+}
+
+static int panel_dvi_enable(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&ddata->lock);
+
+	r = panel_dvi_power_on(dssdev);
+	if (r == 0)
+		dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&ddata->lock);
+
+	return r;
+}
+
+static void panel_dvi_disable(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ddata->lock);
+
+	panel_dvi_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&ddata->lock);
+}
+
+static int panel_dvi_suspend(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ddata->lock);
+
+	panel_dvi_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	mutex_unlock(&ddata->lock);
+
+	return 0;
+}
+
+static int panel_dvi_resume(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&ddata->lock);
+
+	r = panel_dvi_power_on(dssdev);
+	if (r == 0)
+		dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&ddata->lock);
+
+	return r;
+}
+
+static void panel_dvi_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ddata->lock);
+	dpi_set_timings(dssdev, timings);
+	mutex_unlock(&ddata->lock);
+}
+
+static void panel_dvi_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ddata->lock);
+	*timings = dssdev->panel.timings;
+	mutex_unlock(&ddata->lock);
+}
+
+static int panel_dvi_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&ddata->lock);
+	r = dpi_check_timings(dssdev, timings);
+	mutex_unlock(&ddata->lock);
+
+	return r;
+}
+
+
+static int panel_dvi_ddc_read(struct i2c_adapter *adapter,
+		unsigned char *buf, u16 count, u8 offset)
+{
+	int r, retries;
+
+	for (retries = 3; retries > 0; retries--) {
+		struct i2c_msg msgs[] = {
+			{
+				.addr   = DDC_ADDR,
+				.flags  = 0,
+				.len    = 1,
+				.buf    = &offset,
+			}, {
+				.addr   = DDC_ADDR,
+				.flags  = I2C_M_RD,
+				.len    = count,
+				.buf    = buf,
+			}
+		};
+
+		r = i2c_transfer(adapter, msgs, 2);
+		if (r == 2)
+			return 0;
+
+		if (r != -EAGAIN)
+			break;
+	}
+
+	return r < 0 ? r : -EIO;
+}
+
+static int panel_dvi_read_edid(struct omap_dss_device *dssdev,
+		u8 *edid, int len)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+	struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+	struct i2c_adapter *adapter;
+	int r, l, bytes_read;
+
+	mutex_lock(&ddata->lock);
+
+	if (pdata->i2c_bus_num == 0) {
+		r = -ENODEV;
+		goto err;
+	}
+
+	adapter = i2c_get_adapter(pdata->i2c_bus_num);
+	if (!adapter) {
+		dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n",
+				pdata->i2c_bus_num);
+		r = -EINVAL;
+		goto err;
+	}
+
+	l = min(EDID_LENGTH, len);
+	r = panel_dvi_ddc_read(adapter, edid, l, 0);
+	if (r)
+		goto err;
+
+	bytes_read = l;
+
+	/* if there are extensions, read second block */
+	if (len > EDID_LENGTH && edid[0x7e] > 0) {
+		l = min(EDID_LENGTH, len - EDID_LENGTH);
+
+		r = panel_dvi_ddc_read(adapter, edid + EDID_LENGTH,
+				l, EDID_LENGTH);
+		if (r)
+			goto err;
+
+		bytes_read += l;
+	}
+
+	mutex_unlock(&ddata->lock);
+
+	return bytes_read;
+
+err:
+	mutex_unlock(&ddata->lock);
+	return r;
+}
+
+static bool panel_dvi_detect(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
+	struct panel_dvi_platform_data *pdata = get_pdata(dssdev);
+	struct i2c_adapter *adapter;
+	unsigned char out;
+	int r;
+
+	mutex_lock(&ddata->lock);
+
+	if (pdata->i2c_bus_num == 0)
+		goto out;
+
+	adapter = i2c_get_adapter(pdata->i2c_bus_num);
+	if (!adapter)
+		goto out;
+
+	r = panel_dvi_ddc_read(adapter, &out, 1, 0);
+
+	mutex_unlock(&ddata->lock);
+
+	return r == 0;
+
+out:
+	mutex_unlock(&ddata->lock);
+	return true;
+}
+
+static struct omap_dss_driver panel_dvi_driver = {
+	.probe		= panel_dvi_probe,
+	.remove		= __exit_p(panel_dvi_remove),
+
+	.enable		= panel_dvi_enable,
+	.disable	= panel_dvi_disable,
+	.suspend	= panel_dvi_suspend,
+	.resume		= panel_dvi_resume,
+
+	.set_timings	= panel_dvi_set_timings,
+	.get_timings	= panel_dvi_get_timings,
+	.check_timings	= panel_dvi_check_timings,
+
+	.read_edid	= panel_dvi_read_edid,
+	.detect		= panel_dvi_detect,
+
+	.driver         = {
+		.name   = "dvi",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init panel_dvi_init(void)
+{
+	return omap_dss_register_driver(&panel_dvi_driver);
+}
+
+static void __exit panel_dvi_exit(void)
+{
+	omap_dss_unregister_driver(&panel_dvi_driver);
+}
+
+module_init(panel_dvi_init);
+module_exit(panel_dvi_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c
new file mode 100644
index 00000000..30fe4dfe
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-generic-dpi.c
@@ -0,0 +1,595 @@
+/*
+ * Generic DPI Panels support
+ *
+ * Copyright (C) 2010 Canonical Ltd.
+ * Author: Bryan Wu <bryan.wu@canonical.com>
+ *
+ * LCD panel driver for Sharp LQ043T1DG01
+ *
+ * Copyright (C) 2009 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * LCD panel driver for Toppoly TDO35S
+ *
+ * Copyright (C) 2009 CompuLab, Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <video/omapdss.h>
+
+#include <video/omap-panel-generic-dpi.h>
+
+struct panel_config {
+	struct omap_video_timings timings;
+
+	int acbi;	/* ac-bias pin transitions per interrupt */
+	/* Unit: line clocks */
+	int acb;	/* ac-bias pin frequency */
+
+	enum omap_panel_config config;
+
+	int power_on_delay;
+	int power_off_delay;
+
+	/*
+	 * Used to match device to panel configuration
+	 * when use generic panel driver
+	 */
+	const char *name;
+};
+
+/* Panel configurations */
+static struct panel_config generic_dpi_panels[] = {
+	/* Sharp LQ043T1DG01 */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 272,
+
+			.pixel_clock	= 9000,
+
+			.hsw		= 42,
+			.hfp		= 3,
+			.hbp		= 2,
+
+			.vsw		= 11,
+			.vfp		= 3,
+			.vbp		= 2,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
+		.power_on_delay		= 50,
+		.power_off_delay	= 100,
+		.name			= "sharp_lq",
+	},
+
+	/* Sharp LS037V7DW01 */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 640,
+
+			.pixel_clock	= 19200,
+
+			.hsw		= 2,
+			.hfp		= 1,
+			.hbp		= 28,
+
+			.vsw		= 1,
+			.vfp		= 1,
+			.vbp		= 1,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x28,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+						OMAP_DSS_LCD_IHS,
+		.power_on_delay		= 50,
+		.power_off_delay	= 100,
+		.name			= "sharp_ls",
+	},
+
+	/* Toppoly TDO35S */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 640,
+
+			.pixel_clock	= 26000,
+
+			.hfp		= 104,
+			.hsw		= 8,
+			.hbp		= 8,
+
+			.vfp		= 4,
+			.vsw		= 2,
+			.vbp		= 2,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC |
+					OMAP_DSS_LCD_ONOFF,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "toppoly_tdo35s",
+	},
+
+	/* Samsung LTE430WQ-F0C */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 272,
+
+			.pixel_clock	= 9200,
+
+			.hfp		= 8,
+			.hsw		= 41,
+			.hbp		= 45 - 41,
+
+			.vfp		= 4,
+			.vsw		= 10,
+			.vbp		= 12 - 10,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+						OMAP_DSS_LCD_IHS,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "samsung_lte430wq_f0c",
+	},
+
+	/* Seiko 70WVW1TZ3Z3 */
+	{
+		{
+			.x_res		= 800,
+			.y_res		= 480,
+
+			.pixel_clock	= 33000,
+
+			.hsw		= 128,
+			.hfp		= 10,
+			.hbp		= 10,
+
+			.vsw		= 2,
+			.vfp		= 4,
+			.vbp		= 11,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+						OMAP_DSS_LCD_IHS,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "seiko_70wvw1tz3",
+	},
+
+	/* Powertip PH480272T */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 272,
+
+			.pixel_clock	= 9000,
+
+			.hsw		= 40,
+			.hfp		= 2,
+			.hbp		= 2,
+
+			.vsw		= 10,
+			.vfp		= 2,
+			.vbp		= 2,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "powertip_ph480272t",
+	},
+
+	/* Innolux AT070TN83 */
+	{
+		{
+			.x_res		= 800,
+			.y_res		= 480,
+
+			.pixel_clock	= 40000,
+
+			.hsw		= 48,
+			.hfp		= 1,
+			.hbp		= 1,
+
+			.vsw		= 3,
+			.vfp		= 12,
+			.vbp		= 25,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x28,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "innolux_at070tn83",
+	},
+
+	/* NEC NL2432DR22-11B */
+	{
+		{
+			.x_res		= 240,
+			.y_res		= 320,
+
+			.pixel_clock	= 5400,
+
+			.hsw		= 3,
+			.hfp		= 3,
+			.hbp		= 39,
+
+			.vsw		= 1,
+			.vfp		= 2,
+			.vbp		= 7,
+		},
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+						OMAP_DSS_LCD_IHS,
+		.name			= "nec_nl2432dr22-11b",
+	},
+
+	/* Unknown panel used in OMAP H4 */
+	{
+		{
+			.x_res		= 240,
+			.y_res		= 320,
+
+			.pixel_clock	= 6250,
+
+			.hsw		= 15,
+			.hfp		= 15,
+			.hbp		= 60,
+
+			.vsw		= 1,
+			.vfp		= 1,
+			.vbp		= 1,
+		},
+		.config			= OMAP_DSS_LCD_TFT,
+
+		.name			= "h4",
+	},
+
+	/* Unknown panel used in Samsung OMAP2 Apollon */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 272,
+
+			.pixel_clock	= 6250,
+
+			.hsw		= 41,
+			.hfp		= 2,
+			.hbp		= 2,
+
+			.vsw		= 10,
+			.vfp		= 2,
+			.vbp		= 2,
+		},
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+						OMAP_DSS_LCD_IHS,
+
+		.name			= "apollon",
+	},
+	/* FocalTech ETM070003DH6 */
+	{
+		{
+			.x_res		= 800,
+			.y_res		= 480,
+
+			.pixel_clock	= 28000,
+
+			.hsw		= 48,
+			.hfp		= 40,
+			.hbp		= 40,
+
+			.vsw		= 3,
+			.vfp		= 13,
+			.vbp		= 29,
+		},
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS,
+		.name			= "focaltech_etm070003dh6",
+	},
+
+	/* Microtips Technologies - UMSH-8173MD */
+	{
+		{
+			.x_res		= 800,
+			.y_res		= 480,
+
+			.pixel_clock	= 34560,
+
+			.hsw		= 13,
+			.hfp		= 101,
+			.hbp		= 101,
+
+			.vsw		= 23,
+			.vfp		= 1,
+			.vbp		= 1,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "microtips_umsh_8173md",
+	},
+
+	/* OrtusTech COM43H4M10XTC */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 272,
+
+			.pixel_clock	= 8000,
+
+			.hsw		= 41,
+			.hfp		= 8,
+			.hbp		= 4,
+
+			.vsw		= 10,
+			.vfp		= 4,
+			.vbp		= 2,
+		},
+		.config			= OMAP_DSS_LCD_TFT,
+
+		.name			= "ortustech_com43h4m10xtc",
+	},
+
+	/* Innolux AT080TN52 */
+	{
+		{
+			.x_res = 800,
+			.y_res = 600,
+
+			.pixel_clock	= 41142,
+
+			.hsw		= 20,
+			.hfp		= 210,
+			.hbp		= 46,
+
+			.vsw		= 10,
+			.vfp		= 12,
+			.vbp		= 23,
+		},
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO,
+
+		.name			= "innolux_at080tn52",
+	},
+};
+
+struct panel_drv_data {
+
+	struct omap_dss_device *dssdev;
+
+	struct panel_config *panel_config;
+};
+
+static inline struct panel_generic_dpi_data
+*get_panel_data(const struct omap_dss_device *dssdev)
+{
+	return (struct panel_generic_dpi_data *) dssdev->data;
+}
+
+static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+	struct panel_config *panel_config = drv_data->panel_config;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	/* wait couple of vsyncs until enabling the LCD */
+	if (panel_config->power_on_delay)
+		msleep(panel_config->power_on_delay);
+
+	if (panel_data->platform_enable) {
+		r = panel_data->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev)
+{
+	struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+	struct panel_config *panel_config = drv_data->panel_config;
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	if (panel_data->platform_disable)
+		panel_data->platform_disable(dssdev);
+
+	/* wait couple of vsyncs after disabling the LCD */
+	if (panel_config->power_off_delay)
+		msleep(panel_config->power_off_delay);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int generic_dpi_panel_probe(struct omap_dss_device *dssdev)
+{
+	struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
+	struct panel_config *panel_config = NULL;
+	struct panel_drv_data *drv_data = NULL;
+	int i;
+
+	dev_dbg(&dssdev->dev, "probe\n");
+
+	if (!panel_data || !panel_data->name)
+		return -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(generic_dpi_panels); i++) {
+		if (strcmp(panel_data->name, generic_dpi_panels[i].name) == 0) {
+			panel_config = &generic_dpi_panels[i];
+			break;
+		}
+	}
+
+	if (!panel_config)
+		return -EINVAL;
+
+	dssdev->panel.config = panel_config->config;
+	dssdev->panel.timings = panel_config->timings;
+	dssdev->panel.acb = panel_config->acb;
+	dssdev->panel.acbi = panel_config->acbi;
+
+	drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
+	if (!drv_data)
+		return -ENOMEM;
+
+	drv_data->dssdev = dssdev;
+	drv_data->panel_config = panel_config;
+
+	dev_set_drvdata(&dssdev->dev, drv_data);
+
+	return 0;
+}
+
+static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+
+	dev_dbg(&dssdev->dev, "remove\n");
+
+	kfree(drv_data);
+
+	dev_set_drvdata(&dssdev->dev, NULL);
+}
+
+static int generic_dpi_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = generic_dpi_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void generic_dpi_panel_disable(struct omap_dss_device *dssdev)
+{
+	generic_dpi_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int generic_dpi_panel_suspend(struct omap_dss_device *dssdev)
+{
+	generic_dpi_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	return 0;
+}
+
+static int generic_dpi_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = generic_dpi_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	dpi_set_timings(dssdev, timings);
+}
+
+static void generic_dpi_panel_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	return dpi_check_timings(dssdev, timings);
+}
+
+static struct omap_dss_driver dpi_driver = {
+	.probe		= generic_dpi_panel_probe,
+	.remove		= __exit_p(generic_dpi_panel_remove),
+
+	.enable		= generic_dpi_panel_enable,
+	.disable	= generic_dpi_panel_disable,
+	.suspend	= generic_dpi_panel_suspend,
+	.resume		= generic_dpi_panel_resume,
+
+	.set_timings	= generic_dpi_panel_set_timings,
+	.get_timings	= generic_dpi_panel_get_timings,
+	.check_timings	= generic_dpi_panel_check_timings,
+
+	.driver         = {
+		.name   = "generic_dpi_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init generic_dpi_panel_drv_init(void)
+{
+	return omap_dss_register_driver(&dpi_driver);
+}
+
+static void __exit generic_dpi_panel_drv_exit(void)
+{
+	omap_dss_unregister_driver(&dpi_driver);
+}
+
+module_init(generic_dpi_panel_drv_init);
+module_exit(generic_dpi_panel_drv_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
new file mode 100644
index 00000000..0841cc2b
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
@@ -0,0 +1,269 @@
+/*
+ * LCD panel driver for LG.Philips LB035Q02
+ *
+ * Author: Steve Sakoman <steve@sakoman.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+#include <linux/mutex.h>
+
+#include <video/omapdss.h>
+
+struct lb035q02_data {
+	struct mutex lock;
+};
+
+static struct omap_video_timings lb035q02_timings = {
+	.x_res = 320,
+	.y_res = 240,
+
+	.pixel_clock	= 6500,
+
+	.hsw		= 2,
+	.hfp		= 20,
+	.hbp		= 68,
+
+	.vsw		= 2,
+	.vfp		= 4,
+	.vbp		= 18,
+};
+
+static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void lb035q02_panel_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int lb035q02_panel_probe(struct omap_dss_device *dssdev)
+{
+	struct lb035q02_data *ld;
+	int r;
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+		OMAP_DSS_LCD_IHS;
+	dssdev->panel.timings = lb035q02_timings;
+
+	ld = kzalloc(sizeof(*ld), GFP_KERNEL);
+	if (!ld) {
+		r = -ENOMEM;
+		goto err;
+	}
+	mutex_init(&ld->lock);
+	dev_set_drvdata(&dssdev->dev, ld);
+	return 0;
+err:
+	return r;
+}
+
+static void lb035q02_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
+
+	kfree(ld);
+}
+
+static int lb035q02_panel_enable(struct omap_dss_device *dssdev)
+{
+	struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&ld->lock);
+
+	r = lb035q02_panel_power_on(dssdev);
+	if (r)
+		goto err;
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&ld->lock);
+	return 0;
+err:
+	mutex_unlock(&ld->lock);
+	return r;
+}
+
+static void lb035q02_panel_disable(struct omap_dss_device *dssdev)
+{
+	struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ld->lock);
+
+	lb035q02_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&ld->lock);
+}
+
+static int lb035q02_panel_suspend(struct omap_dss_device *dssdev)
+{
+	struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&ld->lock);
+
+	lb035q02_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	mutex_unlock(&ld->lock);
+	return 0;
+}
+
+static int lb035q02_panel_resume(struct omap_dss_device *dssdev)
+{
+	struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&ld->lock);
+
+	r = lb035q02_panel_power_on(dssdev);
+	if (r)
+		goto err;
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&ld->lock);
+	return 0;
+err:
+	mutex_unlock(&ld->lock);
+	return r;
+}
+
+static struct omap_dss_driver lb035q02_driver = {
+	.probe		= lb035q02_panel_probe,
+	.remove		= lb035q02_panel_remove,
+
+	.enable		= lb035q02_panel_enable,
+	.disable	= lb035q02_panel_disable,
+	.suspend	= lb035q02_panel_suspend,
+	.resume		= lb035q02_panel_resume,
+
+	.driver         = {
+		.name   = "lgphilips_lb035q02_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val)
+{
+	struct spi_message msg;
+	struct spi_transfer index_xfer = {
+		.len		= 3,
+		.cs_change	= 1,
+	};
+	struct spi_transfer value_xfer = {
+		.len		= 3,
+	};
+	u8	buffer[16];
+
+	spi_message_init(&msg);
+
+	/* register index */
+	buffer[0] = 0x70;
+	buffer[1] = 0x00;
+	buffer[2] = reg & 0x7f;
+	index_xfer.tx_buf = buffer;
+	spi_message_add_tail(&index_xfer, &msg);
+
+	/* register value */
+	buffer[4] = 0x72;
+	buffer[5] = val >> 8;
+	buffer[6] = val;
+	value_xfer.tx_buf = buffer + 4;
+	spi_message_add_tail(&value_xfer, &msg);
+
+	return spi_sync(spi, &msg);
+}
+
+static void init_lb035q02_panel(struct spi_device *spi)
+{
+	/* Init sequence from page 28 of the lb035q02 spec */
+	lb035q02_write_reg(spi, 0x01, 0x6300);
+	lb035q02_write_reg(spi, 0x02, 0x0200);
+	lb035q02_write_reg(spi, 0x03, 0x0177);
+	lb035q02_write_reg(spi, 0x04, 0x04c7);
+	lb035q02_write_reg(spi, 0x05, 0xffc0);
+	lb035q02_write_reg(spi, 0x06, 0xe806);
+	lb035q02_write_reg(spi, 0x0a, 0x4008);
+	lb035q02_write_reg(spi, 0x0b, 0x0000);
+	lb035q02_write_reg(spi, 0x0d, 0x0030);
+	lb035q02_write_reg(spi, 0x0e, 0x2800);
+	lb035q02_write_reg(spi, 0x0f, 0x0000);
+	lb035q02_write_reg(spi, 0x16, 0x9f80);
+	lb035q02_write_reg(spi, 0x17, 0x0a0f);
+	lb035q02_write_reg(spi, 0x1e, 0x00c1);
+	lb035q02_write_reg(spi, 0x30, 0x0300);
+	lb035q02_write_reg(spi, 0x31, 0x0007);
+	lb035q02_write_reg(spi, 0x32, 0x0000);
+	lb035q02_write_reg(spi, 0x33, 0x0000);
+	lb035q02_write_reg(spi, 0x34, 0x0707);
+	lb035q02_write_reg(spi, 0x35, 0x0004);
+	lb035q02_write_reg(spi, 0x36, 0x0302);
+	lb035q02_write_reg(spi, 0x37, 0x0202);
+	lb035q02_write_reg(spi, 0x3a, 0x0a0d);
+	lb035q02_write_reg(spi, 0x3b, 0x0806);
+}
+
+static int __devinit lb035q02_panel_spi_probe(struct spi_device *spi)
+{
+	init_lb035q02_panel(spi);
+	return omap_dss_register_driver(&lb035q02_driver);
+}
+
+static int __devexit lb035q02_panel_spi_remove(struct spi_device *spi)
+{
+	omap_dss_unregister_driver(&lb035q02_driver);
+	return 0;
+}
+
+static struct spi_driver lb035q02_spi_driver = {
+	.driver		= {
+		.name	= "lgphilips_lb035q02_panel-spi",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= lb035q02_panel_spi_probe,
+	.remove		= __devexit_p(lb035q02_panel_spi_remove),
+};
+
+module_spi_driver(lb035q02_spi_driver);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c
new file mode 100644
index 00000000..dc9408dc
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-n8x0.c
@@ -0,0 +1,746 @@
+/* #define DEBUG */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-n8x0.h>
+
+#define BLIZZARD_REV_CODE                      0x00
+#define BLIZZARD_CONFIG                        0x02
+#define BLIZZARD_PLL_DIV                       0x04
+#define BLIZZARD_PLL_LOCK_RANGE                0x06
+#define BLIZZARD_PLL_CLOCK_SYNTH_0             0x08
+#define BLIZZARD_PLL_CLOCK_SYNTH_1             0x0a
+#define BLIZZARD_PLL_MODE                      0x0c
+#define BLIZZARD_CLK_SRC                       0x0e
+#define BLIZZARD_MEM_BANK0_ACTIVATE            0x10
+#define BLIZZARD_MEM_BANK0_STATUS              0x14
+#define BLIZZARD_PANEL_CONFIGURATION           0x28
+#define BLIZZARD_HDISP                         0x2a
+#define BLIZZARD_HNDP                          0x2c
+#define BLIZZARD_VDISP0                        0x2e
+#define BLIZZARD_VDISP1                        0x30
+#define BLIZZARD_VNDP                          0x32
+#define BLIZZARD_HSW                           0x34
+#define BLIZZARD_VSW                           0x38
+#define BLIZZARD_DISPLAY_MODE                  0x68
+#define BLIZZARD_INPUT_WIN_X_START_0           0x6c
+#define BLIZZARD_DATA_SOURCE_SELECT            0x8e
+#define BLIZZARD_DISP_MEM_DATA_PORT            0x90
+#define BLIZZARD_DISP_MEM_READ_ADDR0           0x92
+#define BLIZZARD_POWER_SAVE                    0xE6
+#define BLIZZARD_NDISP_CTRL_STATUS             0xE8
+
+/* Data source select */
+/* For S1D13745 */
+#define BLIZZARD_SRC_WRITE_LCD_BACKGROUND	0x00
+#define BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE	0x01
+#define BLIZZARD_SRC_WRITE_OVERLAY_ENABLE	0x04
+#define BLIZZARD_SRC_DISABLE_OVERLAY		0x05
+/* For S1D13744 */
+#define BLIZZARD_SRC_WRITE_LCD			0x00
+#define BLIZZARD_SRC_BLT_LCD			0x06
+
+#define BLIZZARD_COLOR_RGB565			0x01
+#define BLIZZARD_COLOR_YUV420			0x09
+
+#define BLIZZARD_VERSION_S1D13745		0x01	/* Hailstorm */
+#define BLIZZARD_VERSION_S1D13744		0x02	/* Blizzard */
+
+#define MIPID_CMD_READ_DISP_ID		0x04
+#define MIPID_CMD_READ_RED		0x06
+#define MIPID_CMD_READ_GREEN		0x07
+#define MIPID_CMD_READ_BLUE		0x08
+#define MIPID_CMD_READ_DISP_STATUS	0x09
+#define MIPID_CMD_RDDSDR		0x0F
+#define MIPID_CMD_SLEEP_IN		0x10
+#define MIPID_CMD_SLEEP_OUT		0x11
+#define MIPID_CMD_DISP_OFF		0x28
+#define MIPID_CMD_DISP_ON		0x29
+
+static struct panel_drv_data {
+	struct mutex lock;
+
+	struct omap_dss_device *dssdev;
+	struct spi_device *spidev;
+	struct backlight_device *bldev;
+
+	int blizzard_ver;
+} s_drv_data;
+
+
+static inline
+struct panel_n8x0_data *get_board_data(const struct omap_dss_device *dssdev)
+{
+	return dssdev->data;
+}
+
+static inline
+struct panel_drv_data *get_drv_data(const struct omap_dss_device *dssdev)
+{
+	return &s_drv_data;
+}
+
+
+static inline void blizzard_cmd(u8 cmd)
+{
+	omap_rfbi_write_command(&cmd, 1);
+}
+
+static inline void blizzard_write(u8 cmd, const u8 *buf, int len)
+{
+	omap_rfbi_write_command(&cmd, 1);
+	omap_rfbi_write_data(buf, len);
+}
+
+static inline void blizzard_read(u8 cmd, u8 *buf, int len)
+{
+	omap_rfbi_write_command(&cmd, 1);
+	omap_rfbi_read_data(buf, len);
+}
+
+static u8 blizzard_read_reg(u8 cmd)
+{
+	u8 data;
+	blizzard_read(cmd, &data, 1);
+	return data;
+}
+
+static void blizzard_ctrl_setup_update(struct omap_dss_device *dssdev,
+		int x, int y, int w, int h)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	u8 tmp[18];
+	int x_end, y_end;
+
+	x_end = x + w - 1;
+	y_end = y + h - 1;
+
+	tmp[0] = x;
+	tmp[1] = x >> 8;
+	tmp[2] = y;
+	tmp[3] = y >> 8;
+	tmp[4] = x_end;
+	tmp[5] = x_end >> 8;
+	tmp[6] = y_end;
+	tmp[7] = y_end >> 8;
+
+	/* scaling? */
+	tmp[8] = x;
+	tmp[9] = x >> 8;
+	tmp[10] = y;
+	tmp[11] = y >> 8;
+	tmp[12] = x_end;
+	tmp[13] = x_end >> 8;
+	tmp[14] = y_end;
+	tmp[15] = y_end >> 8;
+
+	tmp[16] = BLIZZARD_COLOR_RGB565;
+
+	if (ddata->blizzard_ver == BLIZZARD_VERSION_S1D13745)
+		tmp[17] = BLIZZARD_SRC_WRITE_LCD_BACKGROUND;
+	else
+		tmp[17] = ddata->blizzard_ver == BLIZZARD_VERSION_S1D13744 ?
+			BLIZZARD_SRC_WRITE_LCD :
+			BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE;
+
+	omap_rfbi_configure(dssdev, 16, 8);
+
+	blizzard_write(BLIZZARD_INPUT_WIN_X_START_0, tmp, 18);
+
+	omap_rfbi_configure(dssdev, 16, 16);
+}
+
+static void mipid_transfer(struct spi_device *spi, int cmd, const u8 *wbuf,
+		int wlen, u8 *rbuf, int rlen)
+{
+	struct spi_message	m;
+	struct spi_transfer	*x, xfer[4];
+	u16			w;
+	int			r;
+
+	spi_message_init(&m);
+
+	memset(xfer, 0, sizeof(xfer));
+	x = &xfer[0];
+
+	cmd &=  0xff;
+	x->tx_buf		= &cmd;
+	x->bits_per_word	= 9;
+	x->len			= 2;
+	spi_message_add_tail(x, &m);
+
+	if (wlen) {
+		x++;
+		x->tx_buf		= wbuf;
+		x->len			= wlen;
+		x->bits_per_word	= 9;
+		spi_message_add_tail(x, &m);
+	}
+
+	if (rlen) {
+		x++;
+		x->rx_buf	= &w;
+		x->len		= 1;
+		spi_message_add_tail(x, &m);
+
+		if (rlen > 1) {
+			/* Arrange for the extra clock before the first
+			 * data bit.
+			 */
+			x->bits_per_word = 9;
+			x->len		 = 2;
+
+			x++;
+			x->rx_buf	 = &rbuf[1];
+			x->len		 = rlen - 1;
+			spi_message_add_tail(x, &m);
+		}
+	}
+
+	r = spi_sync(spi, &m);
+	if (r < 0)
+		dev_dbg(&spi->dev, "spi_sync %d\n", r);
+
+	if (rlen)
+		rbuf[0] = w & 0xff;
+}
+
+static inline void mipid_cmd(struct spi_device *spi, int cmd)
+{
+	mipid_transfer(spi, cmd, NULL, 0, NULL, 0);
+}
+
+static inline void mipid_write(struct spi_device *spi,
+		int reg, const u8 *buf, int len)
+{
+	mipid_transfer(spi, reg, buf, len, NULL, 0);
+}
+
+static inline void mipid_read(struct spi_device *spi,
+		int reg, u8 *buf, int len)
+{
+	mipid_transfer(spi, reg, NULL, 0, buf, len);
+}
+
+static void set_data_lines(struct spi_device *spi, int data_lines)
+{
+	u16 par;
+
+	switch (data_lines) {
+	case 16:
+		par = 0x150;
+		break;
+	case 18:
+		par = 0x160;
+		break;
+	case 24:
+		par = 0x170;
+		break;
+	}
+
+	mipid_write(spi, 0x3a, (u8 *)&par, 2);
+}
+
+static void send_init_string(struct spi_device *spi)
+{
+	u16 initpar[] = { 0x0102, 0x0100, 0x0100 };
+	mipid_write(spi, 0xc2, (u8 *)initpar, sizeof(initpar));
+}
+
+static void send_display_on(struct spi_device *spi)
+{
+	mipid_cmd(spi, MIPID_CMD_DISP_ON);
+}
+
+static void send_display_off(struct spi_device *spi)
+{
+	mipid_cmd(spi, MIPID_CMD_DISP_OFF);
+}
+
+static void send_sleep_out(struct spi_device *spi)
+{
+	mipid_cmd(spi, MIPID_CMD_SLEEP_OUT);
+	msleep(120);
+}
+
+static void send_sleep_in(struct spi_device *spi)
+{
+	mipid_cmd(spi, MIPID_CMD_SLEEP_IN);
+	msleep(50);
+}
+
+static int n8x0_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct panel_n8x0_data *bdata = get_board_data(dssdev);
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	struct spi_device *spi = ddata->spidev;
+	u8 rev, conf;
+	u8 display_id[3];
+	const char *panel_name;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	gpio_direction_output(bdata->ctrl_pwrdown, 1);
+
+	if (bdata->platform_enable) {
+		r = bdata->platform_enable(dssdev);
+		if (r)
+			goto err_plat_en;
+	}
+
+	r = omapdss_rfbi_display_enable(dssdev);
+	if (r)
+		goto err_rfbi_en;
+
+	rev = blizzard_read_reg(BLIZZARD_REV_CODE);
+	conf = blizzard_read_reg(BLIZZARD_CONFIG);
+
+	switch (rev & 0xfc) {
+	case 0x9c:
+		ddata->blizzard_ver = BLIZZARD_VERSION_S1D13744;
+		dev_info(&dssdev->dev, "s1d13744 LCD controller rev %d "
+			"initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
+		break;
+	case 0xa4:
+		ddata->blizzard_ver = BLIZZARD_VERSION_S1D13745;
+		dev_info(&dssdev->dev, "s1d13745 LCD controller rev %d "
+			"initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
+		break;
+	default:
+		dev_err(&dssdev->dev, "invalid s1d1374x revision %02x\n", rev);
+		r = -ENODEV;
+		goto err_inv_chip;
+	}
+
+	/* panel */
+
+	gpio_direction_output(bdata->panel_reset, 1);
+
+	mipid_read(spi, MIPID_CMD_READ_DISP_ID, display_id, 3);
+	dev_dbg(&spi->dev, "MIPI display ID: %02x%02x%02x\n",
+			display_id[0], display_id[1], display_id[2]);
+
+	switch (display_id[0]) {
+	case 0x45:
+		panel_name = "lph8923";
+		break;
+	case 0x83:
+		panel_name = "ls041y3";
+		break;
+	default:
+		dev_err(&dssdev->dev, "invalid display ID 0x%x\n",
+				display_id[0]);
+		r = -ENODEV;
+		goto err_inv_panel;
+	}
+
+	dev_info(&dssdev->dev, "%s rev %02x LCD detected\n",
+			panel_name, display_id[1]);
+
+	send_sleep_out(spi);
+	send_init_string(spi);
+	set_data_lines(spi, 24);
+	send_display_on(spi);
+
+	return 0;
+
+err_inv_panel:
+	/*
+	 * HACK: we should turn off the panel here, but there is some problem
+	 * with the initialization sequence, and we fail to init the panel if we
+	 * have turned it off
+	 */
+	/* gpio_direction_output(bdata->panel_reset, 0); */
+err_inv_chip:
+	omapdss_rfbi_display_disable(dssdev);
+err_rfbi_en:
+	if (bdata->platform_disable)
+		bdata->platform_disable(dssdev);
+err_plat_en:
+	gpio_direction_output(bdata->ctrl_pwrdown, 0);
+	return r;
+}
+
+static void n8x0_panel_power_off(struct omap_dss_device *dssdev)
+{
+	struct panel_n8x0_data *bdata = get_board_data(dssdev);
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	struct spi_device *spi = ddata->spidev;
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	send_display_off(spi);
+	send_sleep_in(spi);
+
+	if (bdata->platform_disable)
+		bdata->platform_disable(dssdev);
+
+	/*
+	 * HACK: we should turn off the panel here, but there is some problem
+	 * with the initialization sequence, and we fail to init the panel if we
+	 * have turned it off
+	 */
+	/* gpio_direction_output(bdata->panel_reset, 0); */
+	gpio_direction_output(bdata->ctrl_pwrdown, 0);
+	omapdss_rfbi_display_disable(dssdev);
+}
+
+static const struct rfbi_timings n8x0_panel_timings = {
+	.cs_on_time     = 0,
+
+	.we_on_time     = 9000,
+	.we_off_time    = 18000,
+	.we_cycle_time  = 36000,
+
+	.re_on_time     = 9000,
+	.re_off_time    = 27000,
+	.re_cycle_time  = 36000,
+
+	.access_time    = 27000,
+	.cs_off_time    = 36000,
+
+	.cs_pulse_width = 0,
+};
+
+static int n8x0_bl_update_status(struct backlight_device *dev)
+{
+	struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
+	struct panel_n8x0_data *bdata = get_board_data(dssdev);
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	int r;
+	int level;
+
+	mutex_lock(&ddata->lock);
+
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK)
+		level = dev->props.brightness;
+	else
+		level = 0;
+
+	dev_dbg(&dssdev->dev, "update brightness to %d\n", level);
+
+	if (!bdata->set_backlight)
+		r = -EINVAL;
+	else
+		r = bdata->set_backlight(dssdev, level);
+
+	mutex_unlock(&ddata->lock);
+
+	return r;
+}
+
+static int n8x0_bl_get_intensity(struct backlight_device *dev)
+{
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK)
+		return dev->props.brightness;
+
+	return 0;
+}
+
+static const struct backlight_ops n8x0_bl_ops = {
+	.get_brightness = n8x0_bl_get_intensity,
+	.update_status  = n8x0_bl_update_status,
+};
+
+static int n8x0_panel_probe(struct omap_dss_device *dssdev)
+{
+	struct panel_n8x0_data *bdata = get_board_data(dssdev);
+	struct panel_drv_data *ddata;
+	struct backlight_device *bldev;
+	struct backlight_properties props;
+	int r;
+
+	dev_dbg(&dssdev->dev, "probe\n");
+
+	if (!bdata)
+		return -EINVAL;
+
+	s_drv_data.dssdev = dssdev;
+
+	ddata = &s_drv_data;
+
+	mutex_init(&ddata->lock);
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT;
+	dssdev->panel.timings.x_res = 800;
+	dssdev->panel.timings.y_res = 480;
+	dssdev->ctrl.pixel_size = 16;
+	dssdev->ctrl.rfbi_timings = n8x0_panel_timings;
+
+	memset(&props, 0, sizeof(props));
+	props.max_brightness = 127;
+	props.type = BACKLIGHT_PLATFORM;
+	bldev = backlight_device_register(dev_name(&dssdev->dev), &dssdev->dev,
+			dssdev, &n8x0_bl_ops, &props);
+	if (IS_ERR(bldev)) {
+		r = PTR_ERR(bldev);
+		dev_err(&dssdev->dev, "register backlight failed\n");
+		return r;
+	}
+
+	ddata->bldev = bldev;
+
+	bldev->props.fb_blank = FB_BLANK_UNBLANK;
+	bldev->props.power = FB_BLANK_UNBLANK;
+	bldev->props.brightness = 127;
+
+	n8x0_bl_update_status(bldev);
+
+	return 0;
+}
+
+static void n8x0_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	struct backlight_device *bldev;
+
+	dev_dbg(&dssdev->dev, "remove\n");
+
+	bldev = ddata->bldev;
+	bldev->props.power = FB_BLANK_POWERDOWN;
+	n8x0_bl_update_status(bldev);
+	backlight_device_unregister(bldev);
+
+	dev_set_drvdata(&dssdev->dev, NULL);
+}
+
+static int n8x0_panel_enable(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "enable\n");
+
+	mutex_lock(&ddata->lock);
+
+	rfbi_bus_lock();
+
+	r = n8x0_panel_power_on(dssdev);
+
+	rfbi_bus_unlock();
+
+	if (r) {
+		mutex_unlock(&ddata->lock);
+		return r;
+	}
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&ddata->lock);
+
+	return 0;
+}
+
+static void n8x0_panel_disable(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+
+	dev_dbg(&dssdev->dev, "disable\n");
+
+	mutex_lock(&ddata->lock);
+
+	rfbi_bus_lock();
+
+	n8x0_panel_power_off(dssdev);
+
+	rfbi_bus_unlock();
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&ddata->lock);
+}
+
+static int n8x0_panel_suspend(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+
+	dev_dbg(&dssdev->dev, "suspend\n");
+
+	mutex_lock(&ddata->lock);
+
+	rfbi_bus_lock();
+
+	n8x0_panel_power_off(dssdev);
+
+	rfbi_bus_unlock();
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	mutex_unlock(&ddata->lock);
+
+	return 0;
+}
+
+static int n8x0_panel_resume(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "resume\n");
+
+	mutex_lock(&ddata->lock);
+
+	rfbi_bus_lock();
+
+	r = n8x0_panel_power_on(dssdev);
+
+	rfbi_bus_unlock();
+
+	if (r) {
+		mutex_unlock(&ddata->lock);
+		return r;
+	}
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&ddata->lock);
+
+	return 0;
+}
+
+static void n8x0_panel_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static void n8x0_panel_get_resolution(struct omap_dss_device *dssdev,
+		u16 *xres, u16 *yres)
+{
+	*xres = dssdev->panel.timings.x_res;
+	*yres = dssdev->panel.timings.y_res;
+}
+
+static void update_done(void *data)
+{
+	rfbi_bus_unlock();
+}
+
+static int n8x0_panel_update(struct omap_dss_device *dssdev,
+		u16 x, u16 y, u16 w, u16 h)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+
+	dev_dbg(&dssdev->dev, "update\n");
+
+	mutex_lock(&ddata->lock);
+	rfbi_bus_lock();
+
+	omap_rfbi_prepare_update(dssdev, &x, &y, &w, &h);
+
+	blizzard_ctrl_setup_update(dssdev, x, y, w, h);
+
+	omap_rfbi_update(dssdev, x, y, w, h, update_done, NULL);
+
+	mutex_unlock(&ddata->lock);
+
+	return 0;
+}
+
+static int n8x0_panel_sync(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = get_drv_data(dssdev);
+
+	dev_dbg(&dssdev->dev, "sync\n");
+
+	mutex_lock(&ddata->lock);
+	rfbi_bus_lock();
+	rfbi_bus_unlock();
+	mutex_unlock(&ddata->lock);
+
+	return 0;
+}
+
+static struct omap_dss_driver n8x0_panel_driver = {
+	.probe		= n8x0_panel_probe,
+	.remove		= n8x0_panel_remove,
+
+	.enable		= n8x0_panel_enable,
+	.disable	= n8x0_panel_disable,
+	.suspend	= n8x0_panel_suspend,
+	.resume		= n8x0_panel_resume,
+
+	.update		= n8x0_panel_update,
+	.sync		= n8x0_panel_sync,
+
+	.get_resolution	= n8x0_panel_get_resolution,
+	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
+
+	.get_timings	= n8x0_panel_get_timings,
+
+	.driver         = {
+		.name   = "n8x0_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+/* PANEL */
+
+static int mipid_spi_probe(struct spi_device *spi)
+{
+	dev_dbg(&spi->dev, "mipid_spi_probe\n");
+
+	spi->mode = SPI_MODE_0;
+
+	s_drv_data.spidev = spi;
+
+	return 0;
+}
+
+static int mipid_spi_remove(struct spi_device *spi)
+{
+	dev_dbg(&spi->dev, "mipid_spi_remove\n");
+	return 0;
+}
+
+static struct spi_driver mipid_spi_driver = {
+	.driver = {
+		.name	= "lcd_mipid",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= mipid_spi_probe,
+	.remove	= __devexit_p(mipid_spi_remove),
+};
+
+static int __init n8x0_panel_drv_init(void)
+{
+	int r;
+
+	r = spi_register_driver(&mipid_spi_driver);
+	if (r) {
+		pr_err("n8x0_panel: spi driver registration failed\n");
+		return r;
+	}
+
+	r = omap_dss_register_driver(&n8x0_panel_driver);
+	if (r) {
+		pr_err("n8x0_panel: dss driver registration failed\n");
+		spi_unregister_driver(&mipid_spi_driver);
+		return r;
+	}
+
+	return 0;
+}
+
+static void __exit n8x0_panel_drv_exit(void)
+{
+	spi_unregister_driver(&mipid_spi_driver);
+
+	omap_dss_unregister_driver(&n8x0_panel_driver);
+}
+
+module_init(n8x0_panel_drv_init);
+module_exit(n8x0_panel_drv_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
new file mode 100644
index 00000000..8b38b392
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
@@ -0,0 +1,357 @@
+/*
+ * Support for NEC-nl8048hl11-01b panel driver
+ *
+ * Copyright (C) 2010 Texas Instruments Inc.
+ * Author: Erik Gilling <konkers@android.com>
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+
+#include <video/omapdss.h>
+
+#define LCD_XRES		800
+#define LCD_YRES		480
+/*
+ * NEC PIX Clock Ratings
+ * MIN:21.8MHz TYP:23.8MHz MAX:25.7MHz
+ */
+#define LCD_PIXEL_CLOCK		23800
+
+struct nec_8048_data {
+	struct backlight_device *bl;
+};
+
+static const struct {
+	unsigned char addr;
+	unsigned char dat;
+} nec_8048_init_seq[] = {
+	{ 3, 0x01 }, { 0, 0x00 }, { 1, 0x01 }, { 4, 0x00 }, { 5, 0x14 },
+	{ 6, 0x24 }, { 16, 0xD7 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x55 },
+	{ 20, 0x01 }, { 21, 0x70 }, { 22, 0x1E }, { 23, 0x25 },	{ 24, 0x25 },
+	{ 25, 0x02 }, { 26, 0x02 }, { 27, 0xA0 }, { 32, 0x2F }, { 33, 0x0F },
+	{ 34, 0x0F }, { 35, 0x0F }, { 36, 0x0F }, { 37, 0x0F },	{ 38, 0x0F },
+	{ 39, 0x00 }, { 40, 0x02 }, { 41, 0x02 }, { 42, 0x02 },	{ 43, 0x0F },
+	{ 44, 0x0F }, { 45, 0x0F }, { 46, 0x0F }, { 47, 0x0F },	{ 48, 0x0F },
+	{ 49, 0x0F }, { 50, 0x00 }, { 51, 0x02 }, { 52, 0x02 }, { 53, 0x02 },
+	{ 80, 0x0C }, { 83, 0x42 }, { 84, 0x42 }, { 85, 0x41 },	{ 86, 0x14 },
+	{ 89, 0x88 }, { 90, 0x01 }, { 91, 0x00 }, { 92, 0x02 },	{ 93, 0x0C },
+	{ 94, 0x1C }, { 95, 0x27 }, { 98, 0x49 }, { 99, 0x27 }, { 102, 0x76 },
+	{ 103, 0x27 }, { 112, 0x01 }, { 113, 0x0E }, { 114, 0x02 },
+	{ 115, 0x0C }, { 118, 0x0C }, { 121, 0x30 }, { 130, 0x00 },
+	{ 131, 0x00 }, { 132, 0xFC }, { 134, 0x00 }, { 136, 0x00 },
+	{ 138, 0x00 }, { 139, 0x00 }, { 140, 0x00 }, { 141, 0xFC },
+	{ 143, 0x00 }, { 145, 0x00 }, { 147, 0x00 }, { 148, 0x00 },
+	{ 149, 0x00 }, { 150, 0xFC }, { 152, 0x00 }, { 154, 0x00 },
+	{ 156, 0x00 }, { 157, 0x00 }, { 2, 0x00 },
+};
+
+/*
+ * NEC NL8048HL11-01B  Manual
+ * defines HFB, HSW, HBP, VFP, VSW, VBP as shown below
+ */
+
+static struct omap_video_timings nec_8048_panel_timings = {
+	/* 800 x 480 @ 60 Hz  Reduced blanking VESA CVT 0.31M3-R */
+	.x_res		= LCD_XRES,
+	.y_res		= LCD_YRES,
+	.pixel_clock	= LCD_PIXEL_CLOCK,
+	.hfp		= 6,
+	.hsw		= 1,
+	.hbp		= 4,
+	.vfp		= 3,
+	.vsw		= 1,
+	.vbp		= 4,
+};
+
+static int nec_8048_bl_update_status(struct backlight_device *bl)
+{
+	struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev);
+	int level;
+
+	if (!dssdev->set_backlight)
+		return -EINVAL;
+
+	if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
+			bl->props.power == FB_BLANK_UNBLANK)
+		level = bl->props.brightness;
+	else
+		level = 0;
+
+	return dssdev->set_backlight(dssdev, level);
+}
+
+static int nec_8048_bl_get_brightness(struct backlight_device *bl)
+{
+	if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
+			bl->props.power == FB_BLANK_UNBLANK)
+		return bl->props.brightness;
+
+	return 0;
+}
+
+static const struct backlight_ops nec_8048_bl_ops = {
+	.get_brightness	= nec_8048_bl_get_brightness,
+	.update_status	= nec_8048_bl_update_status,
+};
+
+static int nec_8048_panel_probe(struct omap_dss_device *dssdev)
+{
+	struct backlight_device *bl;
+	struct nec_8048_data *necd;
+	struct backlight_properties props;
+	int r;
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+				OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_RF |
+				OMAP_DSS_LCD_ONOFF;
+	dssdev->panel.timings = nec_8048_panel_timings;
+
+	necd = kzalloc(sizeof(*necd), GFP_KERNEL);
+	if (!necd)
+		return -ENOMEM;
+
+	dev_set_drvdata(&dssdev->dev, necd);
+
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 255;
+
+	bl = backlight_device_register("nec-8048", &dssdev->dev, dssdev,
+			&nec_8048_bl_ops, &props);
+	if (IS_ERR(bl)) {
+		r = PTR_ERR(bl);
+		kfree(necd);
+		return r;
+	}
+	necd->bl = bl;
+
+	bl->props.fb_blank = FB_BLANK_UNBLANK;
+	bl->props.power = FB_BLANK_UNBLANK;
+	bl->props.max_brightness = dssdev->max_backlight_level;
+	bl->props.brightness = dssdev->max_backlight_level;
+
+	r = nec_8048_bl_update_status(bl);
+	if (r < 0)
+		dev_err(&dssdev->dev, "failed to set lcd brightness\n");
+
+	return 0;
+}
+
+static void nec_8048_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
+	struct backlight_device *bl = necd->bl;
+
+	bl->props.power = FB_BLANK_POWERDOWN;
+	nec_8048_bl_update_status(bl);
+	backlight_device_unregister(bl);
+
+	kfree(necd);
+}
+
+static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
+	struct backlight_device *bl = necd->bl;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	r = nec_8048_bl_update_status(bl);
+	if (r < 0)
+		dev_err(&dssdev->dev, "failed to set lcd brightness\n");
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void nec_8048_panel_power_off(struct omap_dss_device *dssdev)
+{
+	struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
+	struct backlight_device *bl = necd->bl;
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	bl->props.brightness = 0;
+	nec_8048_bl_update_status(bl);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int nec_8048_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = nec_8048_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void nec_8048_panel_disable(struct omap_dss_device *dssdev)
+{
+	nec_8048_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int nec_8048_panel_suspend(struct omap_dss_device *dssdev)
+{
+	nec_8048_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	return 0;
+}
+
+static int nec_8048_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = nec_8048_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static int nec_8048_recommended_bpp(struct omap_dss_device *dssdev)
+{
+	return 16;
+}
+
+static struct omap_dss_driver nec_8048_driver = {
+	.probe			= nec_8048_panel_probe,
+	.remove			= nec_8048_panel_remove,
+	.enable			= nec_8048_panel_enable,
+	.disable		= nec_8048_panel_disable,
+	.suspend		= nec_8048_panel_suspend,
+	.resume			= nec_8048_panel_resume,
+	.get_recommended_bpp	= nec_8048_recommended_bpp,
+
+	.driver		= {
+		.name		= "NEC_8048_panel",
+		.owner		= THIS_MODULE,
+	},
+};
+
+static int nec_8048_spi_send(struct spi_device *spi, unsigned char reg_addr,
+			unsigned char reg_data)
+{
+	int ret = 0;
+	unsigned int cmd = 0, data = 0;
+
+	cmd = 0x0000 | reg_addr; /* register address write */
+	data = 0x0100 | reg_data ; /* register data write */
+	data = (cmd << 16) | data;
+
+	ret = spi_write(spi, (unsigned char *)&data, 4);
+	if (ret)
+		pr_err("error in spi_write %x\n", data);
+
+	return ret;
+}
+
+static int init_nec_8048_wvga_lcd(struct spi_device *spi)
+{
+	unsigned int i;
+	/* Initialization Sequence */
+	/* nec_8048_spi_send(spi, REG, VAL) */
+	for (i = 0; i < (ARRAY_SIZE(nec_8048_init_seq) - 1); i++)
+		nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
+				nec_8048_init_seq[i].dat);
+	udelay(20);
+	nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
+				nec_8048_init_seq[i].dat);
+	return 0;
+}
+
+static int nec_8048_spi_probe(struct spi_device *spi)
+{
+	spi->mode = SPI_MODE_0;
+	spi->bits_per_word = 32;
+	spi_setup(spi);
+
+	init_nec_8048_wvga_lcd(spi);
+
+	return omap_dss_register_driver(&nec_8048_driver);
+}
+
+static int nec_8048_spi_remove(struct spi_device *spi)
+{
+	omap_dss_unregister_driver(&nec_8048_driver);
+
+	return 0;
+}
+
+static int nec_8048_spi_suspend(struct spi_device *spi, pm_message_t mesg)
+{
+	nec_8048_spi_send(spi, 2, 0x01);
+	mdelay(40);
+
+	return 0;
+}
+
+static int nec_8048_spi_resume(struct spi_device *spi)
+{
+	/* reinitialize the panel */
+	spi_setup(spi);
+	nec_8048_spi_send(spi, 2, 0x00);
+	init_nec_8048_wvga_lcd(spi);
+
+	return 0;
+}
+
+static struct spi_driver nec_8048_spi_driver = {
+	.probe		= nec_8048_spi_probe,
+	.remove		= __devexit_p(nec_8048_spi_remove),
+	.suspend	= nec_8048_spi_suspend,
+	.resume		= nec_8048_spi_resume,
+	.driver		= {
+		.name	= "nec_8048_spi",
+		.owner	= THIS_MODULE,
+	},
+};
+
+module_spi_driver(nec_8048_spi_driver);
+
+MODULE_AUTHOR("Erik Gilling <konkers@android.com>");
+MODULE_DESCRIPTION("NEC-nl8048hl11-01b Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c
new file mode 100644
index 00000000..98ebdadd
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-picodlp.c
@@ -0,0 +1,594 @@
+/*
+ * picodlp panel driver
+ * picodlp_i2c_driver: i2c_client driver
+ *
+ * Copyright (C) 2009-2011 Texas Instruments
+ * Author: Mythri P K <mythripk@ti.com>
+ * Mayuresh Janorkar <mayur@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-picodlp.h>
+
+#include "panel-picodlp.h"
+
+struct picodlp_data {
+	struct mutex lock;
+	struct i2c_client *picodlp_i2c_client;
+};
+
+static struct i2c_board_info picodlp_i2c_board_info = {
+	I2C_BOARD_INFO("picodlp_i2c_driver", 0x1b),
+};
+
+struct picodlp_i2c_data {
+	struct mutex xfer_lock;
+};
+
+static struct i2c_device_id picodlp_i2c_id[] = {
+	{ "picodlp_i2c_driver", 0 },
+};
+
+struct picodlp_i2c_command {
+	u8 reg;
+	u32 value;
+};
+
+static struct omap_video_timings pico_ls_timings = {
+	.x_res		= 864,
+	.y_res		= 480,
+	.hsw		= 7,
+	.hfp		= 11,
+	.hbp		= 7,
+
+	.pixel_clock	= 19200,
+
+	.vsw		= 2,
+	.vfp		= 3,
+	.vbp		= 14,
+};
+
+static inline struct picodlp_panel_data
+		*get_panel_data(const struct omap_dss_device *dssdev)
+{
+	return (struct picodlp_panel_data *) dssdev->data;
+}
+
+static u32 picodlp_i2c_read(struct i2c_client *client, u8 reg)
+{
+	u8 read_cmd[] = {READ_REG_SELECT, reg}, data[4];
+	struct picodlp_i2c_data *picodlp_i2c_data = i2c_get_clientdata(client);
+	struct i2c_msg msg[2];
+
+	mutex_lock(&picodlp_i2c_data->xfer_lock);
+
+	msg[0].addr = client->addr;
+	msg[0].flags = 0;
+	msg[0].len = 2;
+	msg[0].buf = read_cmd;
+
+	msg[1].addr = client->addr;
+	msg[1].flags = I2C_M_RD;
+	msg[1].len = 4;
+	msg[1].buf = data;
+
+	i2c_transfer(client->adapter, msg, 2);
+	mutex_unlock(&picodlp_i2c_data->xfer_lock);
+	return (data[3] | (data[2] << 8) | (data[1] << 16) | (data[0] << 24));
+}
+
+static int picodlp_i2c_write_block(struct i2c_client *client,
+					u8 *data, int len)
+{
+	struct i2c_msg msg;
+	int i, r, msg_count = 1;
+
+	struct picodlp_i2c_data *picodlp_i2c_data = i2c_get_clientdata(client);
+
+	if (len < 1 || len > 32) {
+		dev_err(&client->dev,
+			"too long syn_write_block len %d\n", len);
+		return -EIO;
+	}
+	mutex_lock(&picodlp_i2c_data->xfer_lock);
+
+	msg.addr = client->addr;
+	msg.flags = 0;
+	msg.len = len;
+	msg.buf = data;
+	r = i2c_transfer(client->adapter, &msg, msg_count);
+	mutex_unlock(&picodlp_i2c_data->xfer_lock);
+
+	/*
+	 * i2c_transfer returns:
+	 * number of messages sent in case of success
+	 * a negative error number in case of failure
+	 */
+	if (r != msg_count)
+		goto err;
+
+	/* In case of success */
+	for (i = 0; i < len; i++)
+		dev_dbg(&client->dev,
+			"addr %x bw 0x%02x[%d]: 0x%02x\n",
+			client->addr, data[0] + i, i, data[i]);
+
+	return 0;
+err:
+	dev_err(&client->dev, "picodlp_i2c_write error\n");
+	return r;
+}
+
+static int picodlp_i2c_write(struct i2c_client *client, u8 reg, u32 value)
+{
+	u8 data[5];
+	int i;
+
+	data[0] = reg;
+	for (i = 1; i < 5; i++)
+		data[i] = (value >> (32 - (i) * 8)) & 0xFF;
+
+	return picodlp_i2c_write_block(client, data, 5);
+}
+
+static int picodlp_i2c_write_array(struct i2c_client *client,
+			const struct picodlp_i2c_command commands[],
+			int count)
+{
+	int i, r = 0;
+	for (i = 0; i < count; i++) {
+		r = picodlp_i2c_write(client, commands[i].reg,
+						commands[i].value);
+		if (r)
+			return r;
+	}
+	return r;
+}
+
+static int picodlp_wait_for_dma_done(struct i2c_client *client)
+{
+	u8 trial = 100;
+
+	do {
+		msleep(1);
+		if (!trial--)
+			return -ETIMEDOUT;
+	} while (picodlp_i2c_read(client, MAIN_STATUS) & DMA_STATUS);
+
+	return 0;
+}
+
+/**
+ * picodlp_i2c_init:	i2c_initialization routine
+ * client:	i2c_client for communication
+ *
+ * return
+ *		0	: Success, no error
+ *	error code	: Failure
+ */
+static int picodlp_i2c_init(struct i2c_client *client)
+{
+	int r;
+	static const struct picodlp_i2c_command init_cmd_set1[] = {
+		{SOFT_RESET, 1},
+		{DMD_PARK_TRIGGER, 1},
+		{MISC_REG, 5},
+		{SEQ_CONTROL, 0},
+		{SEQ_VECTOR, 0x100},
+		{DMD_BLOCK_COUNT, 7},
+		{DMD_VCC_CONTROL, 0x109},
+		{DMD_PARK_PULSE_COUNT, 0xA},
+		{DMD_PARK_PULSE_WIDTH, 0xB},
+		{DMD_PARK_DELAY, 0x2ED},
+		{DMD_SHADOW_ENABLE, 0},
+		{FLASH_OPCODE, 0xB},
+		{FLASH_DUMMY_BYTES, 1},
+		{FLASH_ADDR_BYTES, 3},
+		{PBC_CONTROL, 0},
+		{FLASH_START_ADDR, CMT_LUT_0_START_ADDR},
+		{FLASH_READ_BYTES, CMT_LUT_0_SIZE},
+		{CMT_SPLASH_LUT_START_ADDR, 0},
+		{CMT_SPLASH_LUT_DEST_SELECT, CMT_LUT_ALL},
+		{PBC_CONTROL, 1},
+	};
+
+	static const struct picodlp_i2c_command init_cmd_set2[] = {
+		{PBC_CONTROL, 0},
+		{CMT_SPLASH_LUT_DEST_SELECT, 0},
+		{PBC_CONTROL, 0},
+		{FLASH_START_ADDR, SEQUENCE_0_START_ADDR},
+		{FLASH_READ_BYTES, SEQUENCE_0_SIZE},
+		{SEQ_RESET_LUT_START_ADDR, 0},
+		{SEQ_RESET_LUT_DEST_SELECT, SEQ_SEQ_LUT},
+		{PBC_CONTROL, 1},
+	};
+
+	static const struct picodlp_i2c_command init_cmd_set3[] = {
+		{PBC_CONTROL, 0},
+		{SEQ_RESET_LUT_DEST_SELECT, 0},
+		{PBC_CONTROL, 0},
+		{FLASH_START_ADDR, DRC_TABLE_0_START_ADDR},
+		{FLASH_READ_BYTES, DRC_TABLE_0_SIZE},
+		{SEQ_RESET_LUT_START_ADDR, 0},
+		{SEQ_RESET_LUT_DEST_SELECT, SEQ_DRC_LUT_ALL},
+		{PBC_CONTROL, 1},
+	};
+
+	static const struct picodlp_i2c_command init_cmd_set4[] = {
+		{PBC_CONTROL, 0},
+		{SEQ_RESET_LUT_DEST_SELECT, 0},
+		{SDC_ENABLE, 1},
+		{AGC_CTRL, 7},
+		{CCA_C1A, 0x100},
+		{CCA_C1B, 0x0},
+		{CCA_C1C, 0x0},
+		{CCA_C2A, 0x0},
+		{CCA_C2B, 0x100},
+		{CCA_C2C, 0x0},
+		{CCA_C3A, 0x0},
+		{CCA_C3B, 0x0},
+		{CCA_C3C, 0x100},
+		{CCA_C7A, 0x100},
+		{CCA_C7B, 0x100},
+		{CCA_C7C, 0x100},
+		{CCA_ENABLE, 1},
+		{CPU_IF_MODE, 1},
+		{SHORT_FLIP, 1},
+		{CURTAIN_CONTROL, 0},
+		{DMD_PARK_TRIGGER, 0},
+		{R_DRIVE_CURRENT, 0x298},
+		{G_DRIVE_CURRENT, 0x298},
+		{B_DRIVE_CURRENT, 0x298},
+		{RGB_DRIVER_ENABLE, 7},
+		{SEQ_CONTROL, 0},
+		{ACTGEN_CONTROL, 0x10},
+		{SEQUENCE_MODE, SEQ_LOCK},
+		{DATA_FORMAT, RGB888},
+		{INPUT_RESOLUTION, WVGA_864_LANDSCAPE},
+		{INPUT_SOURCE, PARALLEL_RGB},
+		{CPU_IF_SYNC_METHOD, 1},
+		{SEQ_CONTROL, 1}
+	};
+
+	r = picodlp_i2c_write_array(client, init_cmd_set1,
+						ARRAY_SIZE(init_cmd_set1));
+	if (r)
+		return r;
+
+	r = picodlp_wait_for_dma_done(client);
+	if (r)
+		return r;
+
+	r = picodlp_i2c_write_array(client, init_cmd_set2,
+					ARRAY_SIZE(init_cmd_set2));
+	if (r)
+		return r;
+
+	r = picodlp_wait_for_dma_done(client);
+	if (r)
+		return r;
+
+	r = picodlp_i2c_write_array(client, init_cmd_set3,
+					ARRAY_SIZE(init_cmd_set3));
+	if (r)
+		return r;
+
+	r = picodlp_wait_for_dma_done(client);
+	if (r)
+		return r;
+
+	r = picodlp_i2c_write_array(client, init_cmd_set4,
+					ARRAY_SIZE(init_cmd_set4));
+	if (r)
+		return r;
+
+	return 0;
+}
+
+static int picodlp_i2c_probe(struct i2c_client *client,
+		const struct i2c_device_id *id)
+{
+	struct picodlp_i2c_data *picodlp_i2c_data;
+
+	picodlp_i2c_data = kzalloc(sizeof(struct picodlp_i2c_data), GFP_KERNEL);
+
+	if (!picodlp_i2c_data)
+		return -ENOMEM;
+
+	mutex_init(&picodlp_i2c_data->xfer_lock);
+	i2c_set_clientdata(client, picodlp_i2c_data);
+
+	return 0;
+}
+
+static int picodlp_i2c_remove(struct i2c_client *client)
+{
+	struct picodlp_i2c_data *picodlp_i2c_data =
+					i2c_get_clientdata(client);
+	kfree(picodlp_i2c_data);
+	return 0;
+}
+
+static struct i2c_driver picodlp_i2c_driver = {
+	.driver = {
+		.name	= "picodlp_i2c_driver",
+	},
+	.probe		= picodlp_i2c_probe,
+	.remove		= picodlp_i2c_remove,
+	.id_table	= picodlp_i2c_id,
+};
+
+static int picodlp_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r, trial = 100;
+	struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
+	struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			return r;
+	}
+
+	gpio_set_value(picodlp_pdata->pwrgood_gpio, 0);
+	msleep(1);
+	gpio_set_value(picodlp_pdata->pwrgood_gpio, 1);
+
+	while (!gpio_get_value(picodlp_pdata->emu_done_gpio)) {
+		if (!trial--) {
+			dev_err(&dssdev->dev, "emu_done signal not"
+						" going high\n");
+			return -ETIMEDOUT;
+		}
+		msleep(5);
+	}
+	/*
+	 * As per dpp2600 programming guide,
+	 * it is required to sleep for 1000ms after emu_done signal goes high
+	 * then only i2c commands can be successfully sent to dpp2600
+	 */
+	msleep(1000);
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to enable DPI\n");
+		goto err1;
+	}
+
+	r = picodlp_i2c_init(picod->picodlp_i2c_client);
+	if (r)
+		goto err;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return r;
+err:
+	omapdss_dpi_display_disable(dssdev);
+err1:
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	return r;
+}
+
+static void picodlp_panel_power_off(struct omap_dss_device *dssdev)
+{
+	struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+
+	gpio_set_value(picodlp_pdata->emu_done_gpio, 0);
+	gpio_set_value(picodlp_pdata->pwrgood_gpio, 0);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+}
+
+static int picodlp_panel_probe(struct omap_dss_device *dssdev)
+{
+	struct picodlp_data *picod;
+	struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
+	struct i2c_adapter *adapter;
+	struct i2c_client *picodlp_i2c_client;
+	int r = 0, picodlp_adapter_id;
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_ONOFF |
+				OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IVS;
+	dssdev->panel.acb = 0x0;
+	dssdev->panel.timings = pico_ls_timings;
+
+	picod =  kzalloc(sizeof(struct picodlp_data), GFP_KERNEL);
+	if (!picod)
+		return -ENOMEM;
+
+	mutex_init(&picod->lock);
+
+	picodlp_adapter_id = picodlp_pdata->picodlp_adapter_id;
+
+	adapter = i2c_get_adapter(picodlp_adapter_id);
+	if (!adapter) {
+		dev_err(&dssdev->dev, "can't get i2c adapter\n");
+		r = -ENODEV;
+		goto err;
+	}
+
+	picodlp_i2c_client = i2c_new_device(adapter, &picodlp_i2c_board_info);
+	if (!picodlp_i2c_client) {
+		dev_err(&dssdev->dev, "can't add i2c device::"
+					 " picodlp_i2c_client is NULL\n");
+		r = -ENODEV;
+		goto err;
+	}
+
+	picod->picodlp_i2c_client = picodlp_i2c_client;
+
+	dev_set_drvdata(&dssdev->dev, picod);
+	return r;
+err:
+	kfree(picod);
+	return r;
+}
+
+static void picodlp_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
+
+	i2c_unregister_device(picod->picodlp_i2c_client);
+	dev_set_drvdata(&dssdev->dev, NULL);
+	dev_dbg(&dssdev->dev, "removing picodlp panel\n");
+
+	kfree(picod);
+}
+
+static int picodlp_panel_enable(struct omap_dss_device *dssdev)
+{
+	struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "enabling picodlp panel\n");
+
+	mutex_lock(&picod->lock);
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
+		mutex_unlock(&picod->lock);
+		return -EINVAL;
+	}
+
+	r = picodlp_panel_power_on(dssdev);
+	mutex_unlock(&picod->lock);
+
+	return r;
+}
+
+static void picodlp_panel_disable(struct omap_dss_device *dssdev)
+{
+	struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&picod->lock);
+	/* Turn off DLP Power */
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		picodlp_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+	mutex_unlock(&picod->lock);
+
+	dev_dbg(&dssdev->dev, "disabling picodlp panel\n");
+}
+
+static int picodlp_panel_suspend(struct omap_dss_device *dssdev)
+{
+	struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&picod->lock);
+	/* Turn off DLP Power */
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		mutex_unlock(&picod->lock);
+		dev_err(&dssdev->dev, "unable to suspend picodlp panel,"
+					" panel is not ACTIVE\n");
+		return -EINVAL;
+	}
+
+	picodlp_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	mutex_unlock(&picod->lock);
+
+	dev_dbg(&dssdev->dev, "suspending picodlp panel\n");
+	return 0;
+}
+
+static int picodlp_panel_resume(struct omap_dss_device *dssdev)
+{
+	struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&picod->lock);
+	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
+		mutex_unlock(&picod->lock);
+		dev_err(&dssdev->dev, "unable to resume picodlp panel,"
+			" panel is not ACTIVE\n");
+		return -EINVAL;
+	}
+
+	r = picodlp_panel_power_on(dssdev);
+	mutex_unlock(&picod->lock);
+	dev_dbg(&dssdev->dev, "resuming picodlp panel\n");
+	return r;
+}
+
+static void picodlp_get_resolution(struct omap_dss_device *dssdev,
+					u16 *xres, u16 *yres)
+{
+	*xres = dssdev->panel.timings.x_res;
+	*yres = dssdev->panel.timings.y_res;
+}
+
+static struct omap_dss_driver picodlp_driver = {
+	.probe		= picodlp_panel_probe,
+	.remove		= picodlp_panel_remove,
+
+	.enable		= picodlp_panel_enable,
+	.disable	= picodlp_panel_disable,
+
+	.get_resolution	= picodlp_get_resolution,
+
+	.suspend	= picodlp_panel_suspend,
+	.resume		= picodlp_panel_resume,
+
+	.driver		= {
+		.name	= "picodlp_panel",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init picodlp_init(void)
+{
+	int r = 0;
+
+	r = i2c_add_driver(&picodlp_i2c_driver);
+	if (r) {
+		printk(KERN_WARNING "picodlp_i2c_driver" \
+			" registration failed\n");
+		return r;
+	}
+
+	r = omap_dss_register_driver(&picodlp_driver);
+	if (r)
+		i2c_del_driver(&picodlp_i2c_driver);
+
+	return r;
+}
+
+static void __exit picodlp_exit(void)
+{
+	i2c_del_driver(&picodlp_i2c_driver);
+	omap_dss_unregister_driver(&picodlp_driver);
+}
+
+module_init(picodlp_init);
+module_exit(picodlp_exit);
+
+MODULE_AUTHOR("Mythri P K <mythripk@ti.com>");
+MODULE_DESCRIPTION("picodlp driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-picodlp.h b/drivers/video/omap2/displays/panel-picodlp.h
new file mode 100644
index 00000000..a34b431a
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-picodlp.h
@@ -0,0 +1,288 @@
+/*
+ * Header file required by picodlp panel driver
+ *
+ * Copyright (C) 2009-2011 Texas Instruments
+ * Author: Mythri P K <mythripk@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __OMAP2_DISPLAY_PANEL_PICODLP_H
+#define __OMAP2_DISPLAY_PANEL_PICODLP_H
+
+/* Commands used for configuring picodlp panel */
+
+#define MAIN_STATUS			0x03
+#define PBC_CONTROL			0x08
+#define INPUT_SOURCE			0x0B
+#define INPUT_RESOLUTION		0x0C
+#define DATA_FORMAT			0x0D
+#define IMG_ROTATION			0x0E
+#define LONG_FLIP			0x0F
+#define SHORT_FLIP			0x10
+#define TEST_PAT_SELECT			0x11
+#define R_DRIVE_CURRENT			0x12
+#define G_DRIVE_CURRENT			0x13
+#define B_DRIVE_CURRENT			0x14
+#define READ_REG_SELECT			0x15
+#define RGB_DRIVER_ENABLE		0x16
+
+#define CPU_IF_MODE			0x18
+#define FRAME_RATE			0x19
+#define CPU_IF_SYNC_METHOD		0x1A
+#define CPU_IF_SOF			0x1B
+#define CPU_IF_EOF			0x1C
+#define CPU_IF_SLEEP			0x1D
+
+#define SEQUENCE_MODE			0x1E
+#define SOFT_RESET			0x1F
+#define FRONT_END_RESET			0x21
+#define AUTO_PWR_ENABLE			0x22
+
+#define VSYNC_LINE_DELAY		0x23
+#define CPU_PI_HORIZ_START		0x24
+#define CPU_PI_VERT_START		0x25
+#define CPU_PI_HORIZ_WIDTH		0x26
+#define CPU_PI_VERT_HEIGHT		0x27
+
+#define PIXEL_MASK_CROP			0x28
+#define CROP_FIRST_LINE			0x29
+#define CROP_LAST_LINE			0x2A
+#define CROP_FIRST_PIXEL		0x2B
+#define CROP_LAST_PIXEL			0x2C
+#define DMD_PARK_TRIGGER		0x2D
+
+#define MISC_REG			0x30
+
+/* AGC registers */
+#define AGC_CTRL			0x50
+#define AGC_CLIPPED_PIXS		0x55
+#define AGC_BRIGHT_PIXS			0x56
+#define AGC_BG_PIXS			0x57
+#define AGC_SAFETY_MARGIN		0x17
+
+/* Color Coordinate Adjustment registers */
+#define CCA_ENABLE		0x5E
+#define CCA_C1A			0x5F
+#define CCA_C1B			0x60
+#define CCA_C1C			0x61
+#define CCA_C2A			0x62
+#define CCA_C2B			0x63
+#define CCA_C2C			0x64
+#define CCA_C3A			0x65
+#define CCA_C3B			0x66
+#define CCA_C3C			0x67
+#define CCA_C7A			0x71
+#define CCA_C7B			0x72
+#define CCA_C7C			0x73
+
+/**
+ * DLP Pico Processor 2600 comes with flash
+ * We can do DMA operations from flash for accessing Look Up Tables
+ */
+#define DMA_STATUS			0x100
+#define FLASH_ADDR_BYTES		0x74
+#define FLASH_DUMMY_BYTES		0x75
+#define FLASH_WRITE_BYTES		0x76
+#define FLASH_READ_BYTES		0x77
+#define FLASH_OPCODE			0x78
+#define FLASH_START_ADDR		0x79
+#define FLASH_DUMMY2			0x7A
+#define FLASH_WRITE_DATA		0x7B
+
+#define TEMPORAL_DITH_DISABLE		0x7E
+#define SEQ_CONTROL			0x82
+#define SEQ_VECTOR			0x83
+
+/* DMD is Digital Micromirror Device */
+#define DMD_BLOCK_COUNT			0x84
+#define DMD_VCC_CONTROL			0x86
+#define DMD_PARK_PULSE_COUNT		0x87
+#define DMD_PARK_PULSE_WIDTH		0x88
+#define DMD_PARK_DELAY			0x89
+#define DMD_SHADOW_ENABLE		0x8E
+#define SEQ_STATUS			0x8F
+#define FLASH_CLOCK_CONTROL		0x98
+#define DMD_PARK			0x2D
+
+#define SDRAM_BIST_ENABLE		0x46
+#define DDR_DRIVER_STRENGTH		0x9A
+#define SDC_ENABLE			0x9D
+#define SDC_BUFF_SWAP_DISABLE		0xA3
+#define CURTAIN_CONTROL			0xA6
+#define DDR_BUS_SWAP_ENABLE		0xA7
+#define DMD_TRC_ENABLE			0xA8
+#define DMD_BUS_SWAP_ENABLE		0xA9
+
+#define ACTGEN_ENABLE			0xAE
+#define ACTGEN_CONTROL			0xAF
+#define ACTGEN_HORIZ_BP			0xB0
+#define ACTGEN_VERT_BP			0xB1
+
+/* Look Up Table access */
+#define CMT_SPLASH_LUT_START_ADDR	0xFA
+#define CMT_SPLASH_LUT_DEST_SELECT	0xFB
+#define CMT_SPLASH_LUT_DATA		0xFC
+#define SEQ_RESET_LUT_START_ADDR	0xFD
+#define SEQ_RESET_LUT_DEST_SELECT	0xFE
+#define SEQ_RESET_LUT_DATA		0xFF
+
+/* Input source definitions */
+#define PARALLEL_RGB		0
+#define INT_TEST_PATTERN	1
+#define SPLASH_SCREEN		2
+#define CPU_INTF		3
+#define BT656			4
+
+/* Standard input resolution definitions */
+#define QWVGA_LANDSCAPE		3	/* (427h*240v) */
+#define WVGA_864_LANDSCAPE	21	/* (864h*480v) */
+#define WVGA_DMD_OPTICAL_TEST	35	/* (608h*684v) */
+
+/* Standard data format definitions */
+#define RGB565			0
+#define RGB666			1
+#define RGB888			2
+
+/* Test Pattern definitions */
+#define TPG_CHECKERBOARD	0
+#define TPG_BLACK		1
+#define TPG_WHITE		2
+#define TPG_RED			3
+#define TPG_BLUE		4
+#define TPG_GREEN		5
+#define TPG_VLINES_BLACK	6
+#define TPG_HLINES_BLACK	7
+#define TPG_VLINES_ALT		8
+#define TPG_HLINES_ALT		9
+#define TPG_DIAG_LINES		10
+#define TPG_GREYRAMP_VERT	11
+#define TPG_GREYRAMP_HORIZ	12
+#define TPG_ANSI_CHECKERBOARD	13
+
+/* sequence mode definitions */
+#define SEQ_FREE_RUN		0
+#define SEQ_LOCK		1
+
+/* curtain color definitions */
+#define CURTAIN_BLACK		0
+#define CURTAIN_RED		1
+#define CURTAIN_GREEN		2
+#define CURTAIN_BLUE		3
+#define CURTAIN_YELLOW		4
+#define CURTAIN_MAGENTA		5
+#define CURTAIN_CYAN		6
+#define CURTAIN_WHITE		7
+
+/* LUT definitions */
+#define CMT_LUT_NONE		0
+#define CMT_LUT_GREEN		1
+#define CMT_LUT_RED		2
+#define CMT_LUT_BLUE		3
+#define CMT_LUT_ALL		4
+#define SPLASH_LUT		5
+
+#define SEQ_LUT_NONE		0
+#define SEQ_DRC_LUT_0		1
+#define SEQ_DRC_LUT_1		2
+#define SEQ_DRC_LUT_2		3
+#define SEQ_DRC_LUT_3		4
+#define SEQ_SEQ_LUT		5
+#define SEQ_DRC_LUT_ALL		6
+#define WPC_PROGRAM_LUT		7
+
+#define BITSTREAM_START_ADDR		0x00000000
+#define BITSTREAM_SIZE			0x00040000
+
+#define WPC_FW_0_START_ADDR		0x00040000
+#define WPC_FW_0_SIZE			0x00000ce8
+
+#define SEQUENCE_0_START_ADDR		0x00044000
+#define SEQUENCE_0_SIZE			0x00001000
+
+#define SEQUENCE_1_START_ADDR		0x00045000
+#define SEQUENCE_1_SIZE			0x00000d10
+
+#define SEQUENCE_2_START_ADDR		0x00046000
+#define SEQUENCE_2_SIZE			0x00000d10
+
+#define SEQUENCE_3_START_ADDR		0x00047000
+#define SEQUENCE_3_SIZE			0x00000d10
+
+#define SEQUENCE_4_START_ADDR		0x00048000
+#define SEQUENCE_4_SIZE			0x00000d10
+
+#define SEQUENCE_5_START_ADDR		0x00049000
+#define SEQUENCE_5_SIZE			0x00000d10
+
+#define SEQUENCE_6_START_ADDR		0x0004a000
+#define SEQUENCE_6_SIZE			0x00000d10
+
+#define CMT_LUT_0_START_ADDR		0x0004b200
+#define CMT_LUT_0_SIZE			0x00000600
+
+#define CMT_LUT_1_START_ADDR		0x0004b800
+#define CMT_LUT_1_SIZE			0x00000600
+
+#define CMT_LUT_2_START_ADDR		0x0004be00
+#define CMT_LUT_2_SIZE			0x00000600
+
+#define CMT_LUT_3_START_ADDR		0x0004c400
+#define CMT_LUT_3_SIZE			0x00000600
+
+#define CMT_LUT_4_START_ADDR		0x0004ca00
+#define CMT_LUT_4_SIZE			0x00000600
+
+#define CMT_LUT_5_START_ADDR		0x0004d000
+#define CMT_LUT_5_SIZE			0x00000600
+
+#define CMT_LUT_6_START_ADDR		0x0004d600
+#define CMT_LUT_6_SIZE			0x00000600
+
+#define DRC_TABLE_0_START_ADDR		0x0004dc00
+#define DRC_TABLE_0_SIZE		0x00000100
+
+#define SPLASH_0_START_ADDR		0x0004dd00
+#define SPLASH_0_SIZE			0x00032280
+
+#define SEQUENCE_7_START_ADDR		0x00080000
+#define SEQUENCE_7_SIZE			0x00000d10
+
+#define SEQUENCE_8_START_ADDR		0x00081800
+#define SEQUENCE_8_SIZE			0x00000d10
+
+#define SEQUENCE_9_START_ADDR		0x00083000
+#define SEQUENCE_9_SIZE			0x00000d10
+
+#define CMT_LUT_7_START_ADDR		0x0008e000
+#define CMT_LUT_7_SIZE			0x00000600
+
+#define CMT_LUT_8_START_ADDR		0x0008e800
+#define CMT_LUT_8_SIZE			0x00000600
+
+#define CMT_LUT_9_START_ADDR		0x0008f000
+#define CMT_LUT_9_SIZE			0x00000600
+
+#define SPLASH_1_START_ADDR		0x0009a000
+#define SPLASH_1_SIZE			0x00032280
+
+#define SPLASH_2_START_ADDR		0x000cd000
+#define SPLASH_2_SIZE			0x00032280
+
+#define SPLASH_3_START_ADDR		0x00100000
+#define SPLASH_3_SIZE			0x00032280
+
+#define OPT_SPLASH_0_START_ADDR		0x00134000
+#define OPT_SPLASH_0_SIZE		0x000cb100
+
+#endif
diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
new file mode 100644
index 00000000..ba38b3ad
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
@@ -0,0 +1,233 @@
+/*
+ * LCD panel driver for Sharp LS037V7DW01
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+
+#include <video/omapdss.h>
+
+struct sharp_data {
+	struct backlight_device *bl;
+};
+
+static struct omap_video_timings sharp_ls_timings = {
+	.x_res = 480,
+	.y_res = 640,
+
+	.pixel_clock	= 19200,
+
+	.hsw		= 2,
+	.hfp		= 1,
+	.hbp		= 28,
+
+	.vsw		= 1,
+	.vfp		= 1,
+	.vbp		= 1,
+};
+
+static int sharp_ls_bl_update_status(struct backlight_device *bl)
+{
+	struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev);
+	int level;
+
+	if (!dssdev->set_backlight)
+		return -EINVAL;
+
+	if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
+			bl->props.power == FB_BLANK_UNBLANK)
+		level = bl->props.brightness;
+	else
+		level = 0;
+
+	return dssdev->set_backlight(dssdev, level);
+}
+
+static int sharp_ls_bl_get_brightness(struct backlight_device *bl)
+{
+	if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
+			bl->props.power == FB_BLANK_UNBLANK)
+		return bl->props.brightness;
+
+	return 0;
+}
+
+static const struct backlight_ops sharp_ls_bl_ops = {
+	.get_brightness = sharp_ls_bl_get_brightness,
+	.update_status  = sharp_ls_bl_update_status,
+};
+
+
+
+static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
+{
+	struct backlight_properties props;
+	struct backlight_device *bl;
+	struct sharp_data *sd;
+	int r;
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+		OMAP_DSS_LCD_IHS;
+	dssdev->panel.acb = 0x28;
+	dssdev->panel.timings = sharp_ls_timings;
+
+	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
+	if (!sd)
+		return -ENOMEM;
+
+	dev_set_drvdata(&dssdev->dev, sd);
+
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = dssdev->max_backlight_level;
+	props.type = BACKLIGHT_RAW;
+
+	bl = backlight_device_register("sharp-ls", &dssdev->dev, dssdev,
+			&sharp_ls_bl_ops, &props);
+	if (IS_ERR(bl)) {
+		r = PTR_ERR(bl);
+		kfree(sd);
+		return r;
+	}
+	sd->bl = bl;
+
+	bl->props.fb_blank = FB_BLANK_UNBLANK;
+	bl->props.power = FB_BLANK_UNBLANK;
+	bl->props.brightness = dssdev->max_backlight_level;
+	r = sharp_ls_bl_update_status(bl);
+	if (r < 0)
+		dev_err(&dssdev->dev, "failed to set lcd brightness\n");
+
+	return 0;
+}
+
+static void __exit sharp_ls_panel_remove(struct omap_dss_device *dssdev)
+{
+	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
+	struct backlight_device *bl = sd->bl;
+
+	bl->props.power = FB_BLANK_POWERDOWN;
+	sharp_ls_bl_update_status(bl);
+	backlight_device_unregister(bl);
+
+	kfree(sd);
+}
+
+static int sharp_ls_power_on(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	/* wait couple of vsyncs until enabling the LCD */
+	msleep(50);
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void sharp_ls_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	/* wait at least 5 vsyncs after disabling the LCD */
+
+	msleep(100);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+	r = sharp_ls_power_on(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return r;
+}
+
+static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+{
+	sharp_ls_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev)
+{
+	sharp_ls_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int sharp_ls_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r;
+	r = sharp_ls_power_on(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return r;
+}
+
+static struct omap_dss_driver sharp_ls_driver = {
+	.probe		= sharp_ls_panel_probe,
+	.remove		= __exit_p(sharp_ls_panel_remove),
+
+	.enable		= sharp_ls_panel_enable,
+	.disable	= sharp_ls_panel_disable,
+	.suspend	= sharp_ls_panel_suspend,
+	.resume		= sharp_ls_panel_resume,
+
+	.driver         = {
+		.name   = "sharp_ls_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init sharp_ls_panel_drv_init(void)
+{
+	return omap_dss_register_driver(&sharp_ls_driver);
+}
+
+static void __exit sharp_ls_panel_drv_exit(void)
+{
+	omap_dss_unregister_driver(&sharp_ls_driver);
+}
+
+module_init(sharp_ls_panel_drv_init);
+module_exit(sharp_ls_panel_drv_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
new file mode 100644
index 00000000..0f21fa5a
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -0,0 +1,1915 @@
+/*
+ * Taal DSI command mode panel
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*#define DEBUG*/
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/jiffies.h>
+#include <linux/sched.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
+#include <linux/mutex.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-nokia-dsi.h>
+#include <video/mipi_display.h>
+
+/* DSI Virtual channel. Hardcoded for now. */
+#define TCH 0
+
+#define DCS_READ_NUM_ERRORS	0x05
+#define DCS_BRIGHTNESS		0x51
+#define DCS_CTRL_DISPLAY	0x53
+#define DCS_WRITE_CABC		0x55
+#define DCS_READ_CABC		0x56
+#define DCS_GET_ID1		0xda
+#define DCS_GET_ID2		0xdb
+#define DCS_GET_ID3		0xdc
+
+static irqreturn_t taal_te_isr(int irq, void *data);
+static void taal_te_timeout_work_callback(struct work_struct *work);
+static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
+
+static int taal_panel_reset(struct omap_dss_device *dssdev);
+
+struct panel_regulator {
+	struct regulator *regulator;
+	const char *name;
+	int min_uV;
+	int max_uV;
+};
+
+static void free_regulators(struct panel_regulator *regulators, int n)
+{
+	int i;
+
+	for (i = 0; i < n; i++) {
+		/* disable/put in reverse order */
+		regulator_disable(regulators[n - i - 1].regulator);
+		regulator_put(regulators[n - i - 1].regulator);
+	}
+}
+
+static int init_regulators(struct omap_dss_device *dssdev,
+			struct panel_regulator *regulators, int n)
+{
+	int r, i, v;
+
+	for (i = 0; i < n; i++) {
+		struct regulator *reg;
+
+		reg = regulator_get(&dssdev->dev, regulators[i].name);
+		if (IS_ERR(reg)) {
+			dev_err(&dssdev->dev, "failed to get regulator %s\n",
+				regulators[i].name);
+			r = PTR_ERR(reg);
+			goto err;
+		}
+
+		/* FIXME: better handling of fixed vs. variable regulators */
+		v = regulator_get_voltage(reg);
+		if (v < regulators[i].min_uV || v > regulators[i].max_uV) {
+			r = regulator_set_voltage(reg, regulators[i].min_uV,
+						regulators[i].max_uV);
+			if (r) {
+				dev_err(&dssdev->dev,
+					"failed to set regulator %s voltage\n",
+					regulators[i].name);
+				regulator_put(reg);
+				goto err;
+			}
+		}
+
+		r = regulator_enable(reg);
+		if (r) {
+			dev_err(&dssdev->dev, "failed to enable regulator %s\n",
+				regulators[i].name);
+			regulator_put(reg);
+			goto err;
+		}
+
+		regulators[i].regulator = reg;
+	}
+
+	return 0;
+
+err:
+	free_regulators(regulators, i);
+
+	return r;
+}
+
+/**
+ * struct panel_config - panel configuration
+ * @name: panel name
+ * @type: panel type
+ * @timings: panel resolution
+ * @sleep: various panel specific delays, passed to msleep() if non-zero
+ * @reset_sequence: reset sequence timings, passed to udelay() if non-zero
+ * @regulators: array of panel regulators
+ * @num_regulators: number of regulators in the array
+ */
+struct panel_config {
+	const char *name;
+	int type;
+
+	struct omap_video_timings timings;
+
+	struct {
+		unsigned int sleep_in;
+		unsigned int sleep_out;
+		unsigned int hw_reset;
+		unsigned int enable_te;
+	} sleep;
+
+	struct {
+		unsigned int high;
+		unsigned int low;
+	} reset_sequence;
+
+	struct panel_regulator *regulators;
+	int num_regulators;
+};
+
+enum {
+	PANEL_TAAL,
+};
+
+static struct panel_config panel_configs[] = {
+	{
+		.name		= "taal",
+		.type		= PANEL_TAAL,
+		.timings	= {
+			.x_res		= 864,
+			.y_res		= 480,
+		},
+		.sleep		= {
+			.sleep_in	= 5,
+			.sleep_out	= 5,
+			.hw_reset	= 5,
+			.enable_te	= 100, /* possible panel bug */
+		},
+		.reset_sequence	= {
+			.high		= 10,
+			.low		= 10,
+		},
+	},
+};
+
+struct taal_data {
+	struct mutex lock;
+
+	struct backlight_device *bldev;
+
+	unsigned long	hw_guard_end;	/* next value of jiffies when we can
+					 * issue the next sleep in/out command
+					 */
+	unsigned long	hw_guard_wait;	/* max guard time in jiffies */
+
+	struct omap_dss_device *dssdev;
+
+	bool enabled;
+	u8 rotate;
+	bool mirror;
+
+	bool te_enabled;
+
+	atomic_t do_update;
+	int channel;
+
+	struct delayed_work te_timeout_work;
+
+	bool cabc_broken;
+	unsigned cabc_mode;
+
+	bool intro_printed;
+
+	struct workqueue_struct *workqueue;
+
+	struct delayed_work esd_work;
+	unsigned esd_interval;
+
+	bool ulps_enabled;
+	unsigned ulps_timeout;
+	struct delayed_work ulps_work;
+
+	struct panel_config *panel_config;
+};
+
+static inline struct nokia_dsi_panel_data
+*get_panel_data(const struct omap_dss_device *dssdev)
+{
+	return (struct nokia_dsi_panel_data *) dssdev->data;
+}
+
+static void taal_esd_work(struct work_struct *work);
+static void taal_ulps_work(struct work_struct *work);
+
+static void hw_guard_start(struct taal_data *td, int guard_msec)
+{
+	td->hw_guard_wait = msecs_to_jiffies(guard_msec);
+	td->hw_guard_end = jiffies + td->hw_guard_wait;
+}
+
+static void hw_guard_wait(struct taal_data *td)
+{
+	unsigned long wait = td->hw_guard_end - jiffies;
+
+	if ((long)wait > 0 && wait <= td->hw_guard_wait) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_timeout(wait);
+	}
+}
+
+static int taal_dcs_read_1(struct taal_data *td, u8 dcs_cmd, u8 *data)
+{
+	int r;
+	u8 buf[1];
+
+	r = dsi_vc_dcs_read(td->dssdev, td->channel, dcs_cmd, buf, 1);
+
+	if (r < 0)
+		return r;
+
+	*data = buf[0];
+
+	return 0;
+}
+
+static int taal_dcs_write_0(struct taal_data *td, u8 dcs_cmd)
+{
+	return dsi_vc_dcs_write(td->dssdev, td->channel, &dcs_cmd, 1);
+}
+
+static int taal_dcs_write_1(struct taal_data *td, u8 dcs_cmd, u8 param)
+{
+	u8 buf[2];
+	buf[0] = dcs_cmd;
+	buf[1] = param;
+	return dsi_vc_dcs_write(td->dssdev, td->channel, buf, 2);
+}
+
+static int taal_sleep_in(struct taal_data *td)
+
+{
+	u8 cmd;
+	int r;
+
+	hw_guard_wait(td);
+
+	cmd = MIPI_DCS_ENTER_SLEEP_MODE;
+	r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, &cmd, 1);
+	if (r)
+		return r;
+
+	hw_guard_start(td, 120);
+
+	if (td->panel_config->sleep.sleep_in)
+		msleep(td->panel_config->sleep.sleep_in);
+
+	return 0;
+}
+
+static int taal_sleep_out(struct taal_data *td)
+{
+	int r;
+
+	hw_guard_wait(td);
+
+	r = taal_dcs_write_0(td, MIPI_DCS_EXIT_SLEEP_MODE);
+	if (r)
+		return r;
+
+	hw_guard_start(td, 120);
+
+	if (td->panel_config->sleep.sleep_out)
+		msleep(td->panel_config->sleep.sleep_out);
+
+	return 0;
+}
+
+static int taal_get_id(struct taal_data *td, u8 *id1, u8 *id2, u8 *id3)
+{
+	int r;
+
+	r = taal_dcs_read_1(td, DCS_GET_ID1, id1);
+	if (r)
+		return r;
+	r = taal_dcs_read_1(td, DCS_GET_ID2, id2);
+	if (r)
+		return r;
+	r = taal_dcs_read_1(td, DCS_GET_ID3, id3);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+static int taal_set_addr_mode(struct taal_data *td, u8 rotate, bool mirror)
+{
+	int r;
+	u8 mode;
+	int b5, b6, b7;
+
+	r = taal_dcs_read_1(td, MIPI_DCS_GET_ADDRESS_MODE, &mode);
+	if (r)
+		return r;
+
+	switch (rotate) {
+	default:
+	case 0:
+		b7 = 0;
+		b6 = 0;
+		b5 = 0;
+		break;
+	case 1:
+		b7 = 0;
+		b6 = 1;
+		b5 = 1;
+		break;
+	case 2:
+		b7 = 1;
+		b6 = 1;
+		b5 = 0;
+		break;
+	case 3:
+		b7 = 1;
+		b6 = 0;
+		b5 = 1;
+		break;
+	}
+
+	if (mirror)
+		b6 = !b6;
+
+	mode &= ~((1<<7) | (1<<6) | (1<<5));
+	mode |= (b7 << 7) | (b6 << 6) | (b5 << 5);
+
+	return taal_dcs_write_1(td, MIPI_DCS_SET_ADDRESS_MODE, mode);
+}
+
+static int taal_set_update_window(struct taal_data *td,
+		u16 x, u16 y, u16 w, u16 h)
+{
+	int r;
+	u16 x1 = x;
+	u16 x2 = x + w - 1;
+	u16 y1 = y;
+	u16 y2 = y + h - 1;
+
+	u8 buf[5];
+	buf[0] = MIPI_DCS_SET_COLUMN_ADDRESS;
+	buf[1] = (x1 >> 8) & 0xff;
+	buf[2] = (x1 >> 0) & 0xff;
+	buf[3] = (x2 >> 8) & 0xff;
+	buf[4] = (x2 >> 0) & 0xff;
+
+	r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, buf, sizeof(buf));
+	if (r)
+		return r;
+
+	buf[0] = MIPI_DCS_SET_PAGE_ADDRESS;
+	buf[1] = (y1 >> 8) & 0xff;
+	buf[2] = (y1 >> 0) & 0xff;
+	buf[3] = (y2 >> 8) & 0xff;
+	buf[4] = (y2 >> 0) & 0xff;
+
+	r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, buf, sizeof(buf));
+	if (r)
+		return r;
+
+	dsi_vc_send_bta_sync(td->dssdev, td->channel);
+
+	return r;
+}
+
+static void taal_queue_esd_work(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	if (td->esd_interval > 0)
+		queue_delayed_work(td->workqueue, &td->esd_work,
+				msecs_to_jiffies(td->esd_interval));
+}
+
+static void taal_cancel_esd_work(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	cancel_delayed_work(&td->esd_work);
+}
+
+static void taal_queue_ulps_work(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	if (td->ulps_timeout > 0)
+		queue_delayed_work(td->workqueue, &td->ulps_work,
+				msecs_to_jiffies(td->ulps_timeout));
+}
+
+static void taal_cancel_ulps_work(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	cancel_delayed_work(&td->ulps_work);
+}
+
+static int taal_enter_ulps(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	int r;
+
+	if (td->ulps_enabled)
+		return 0;
+
+	taal_cancel_ulps_work(dssdev);
+
+	r = _taal_enable_te(dssdev, false);
+	if (r)
+		goto err;
+
+	disable_irq(gpio_to_irq(panel_data->ext_te_gpio));
+
+	omapdss_dsi_display_disable(dssdev, false, true);
+
+	td->ulps_enabled = true;
+
+	return 0;
+
+err:
+	dev_err(&dssdev->dev, "enter ULPS failed");
+	taal_panel_reset(dssdev);
+
+	td->ulps_enabled = false;
+
+	taal_queue_ulps_work(dssdev);
+
+	return r;
+}
+
+static int taal_exit_ulps(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	int r;
+
+	if (!td->ulps_enabled)
+		return 0;
+
+	r = omapdss_dsi_display_enable(dssdev);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to enable DSI\n");
+		goto err1;
+	}
+
+	omapdss_dsi_vc_enable_hs(dssdev, td->channel, true);
+
+	r = _taal_enable_te(dssdev, true);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to re-enable TE");
+		goto err2;
+	}
+
+	enable_irq(gpio_to_irq(panel_data->ext_te_gpio));
+
+	taal_queue_ulps_work(dssdev);
+
+	td->ulps_enabled = false;
+
+	return 0;
+
+err2:
+	dev_err(&dssdev->dev, "failed to exit ULPS");
+
+	r = taal_panel_reset(dssdev);
+	if (!r) {
+		enable_irq(gpio_to_irq(panel_data->ext_te_gpio));
+		td->ulps_enabled = false;
+	}
+err1:
+	taal_queue_ulps_work(dssdev);
+
+	return r;
+}
+
+static int taal_wake_up(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	if (td->ulps_enabled)
+		return taal_exit_ulps(dssdev);
+
+	taal_cancel_ulps_work(dssdev);
+	taal_queue_ulps_work(dssdev);
+	return 0;
+}
+
+static int taal_bl_update_status(struct backlight_device *dev)
+{
+	struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+	int level;
+
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK)
+		level = dev->props.brightness;
+	else
+		level = 0;
+
+	dev_dbg(&dssdev->dev, "update brightness to %d\n", level);
+
+	mutex_lock(&td->lock);
+
+	if (td->enabled) {
+		dsi_bus_lock(dssdev);
+
+		r = taal_wake_up(dssdev);
+		if (!r)
+			r = taal_dcs_write_1(td, DCS_BRIGHTNESS, level);
+
+		dsi_bus_unlock(dssdev);
+	} else {
+		r = 0;
+	}
+
+	mutex_unlock(&td->lock);
+
+	return r;
+}
+
+static int taal_bl_get_intensity(struct backlight_device *dev)
+{
+	if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
+			dev->props.power == FB_BLANK_UNBLANK)
+		return dev->props.brightness;
+
+	return 0;
+}
+
+static const struct backlight_ops taal_bl_ops = {
+	.get_brightness = taal_bl_get_intensity,
+	.update_status  = taal_bl_update_status,
+};
+
+static void taal_get_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static void taal_get_resolution(struct omap_dss_device *dssdev,
+		u16 *xres, u16 *yres)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	if (td->rotate == 0 || td->rotate == 2) {
+		*xres = dssdev->panel.timings.x_res;
+		*yres = dssdev->panel.timings.y_res;
+	} else {
+		*yres = dssdev->panel.timings.x_res;
+		*xres = dssdev->panel.timings.y_res;
+	}
+}
+
+static ssize_t taal_num_errors_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	u8 errors;
+	int r;
+
+	mutex_lock(&td->lock);
+
+	if (td->enabled) {
+		dsi_bus_lock(dssdev);
+
+		r = taal_wake_up(dssdev);
+		if (!r)
+			r = taal_dcs_read_1(td, DCS_READ_NUM_ERRORS, &errors);
+
+		dsi_bus_unlock(dssdev);
+	} else {
+		r = -ENODEV;
+	}
+
+	mutex_unlock(&td->lock);
+
+	if (r)
+		return r;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", errors);
+}
+
+static ssize_t taal_hw_revision_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	u8 id1, id2, id3;
+	int r;
+
+	mutex_lock(&td->lock);
+
+	if (td->enabled) {
+		dsi_bus_lock(dssdev);
+
+		r = taal_wake_up(dssdev);
+		if (!r)
+			r = taal_get_id(td, &id1, &id2, &id3);
+
+		dsi_bus_unlock(dssdev);
+	} else {
+		r = -ENODEV;
+	}
+
+	mutex_unlock(&td->lock);
+
+	if (r)
+		return r;
+
+	return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x\n", id1, id2, id3);
+}
+
+static const char *cabc_modes[] = {
+	"off",		/* used also always when CABC is not supported */
+	"ui",
+	"still-image",
+	"moving-image",
+};
+
+static ssize_t show_cabc_mode(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	const char *mode_str;
+	int mode;
+	int len;
+
+	mode = td->cabc_mode;
+
+	mode_str = "unknown";
+	if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
+		mode_str = cabc_modes[mode];
+	len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
+
+	return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
+}
+
+static ssize_t store_cabc_mode(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int i;
+	int r;
+
+	for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
+		if (sysfs_streq(cabc_modes[i], buf))
+			break;
+	}
+
+	if (i == ARRAY_SIZE(cabc_modes))
+		return -EINVAL;
+
+	mutex_lock(&td->lock);
+
+	if (td->enabled) {
+		dsi_bus_lock(dssdev);
+
+		if (!td->cabc_broken) {
+			r = taal_wake_up(dssdev);
+			if (r)
+				goto err;
+
+			r = taal_dcs_write_1(td, DCS_WRITE_CABC, i);
+			if (r)
+				goto err;
+		}
+
+		dsi_bus_unlock(dssdev);
+	}
+
+	td->cabc_mode = i;
+
+	mutex_unlock(&td->lock);
+
+	return count;
+err:
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static ssize_t show_cabc_available_modes(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	int len;
+	int i;
+
+	for (i = 0, len = 0;
+	     len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
+		len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
+			i ? " " : "", cabc_modes[i],
+			i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
+
+	return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
+}
+
+static ssize_t taal_store_esd_interval(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	unsigned long t;
+	int r;
+
+	r = strict_strtoul(buf, 10, &t);
+	if (r)
+		return r;
+
+	mutex_lock(&td->lock);
+	taal_cancel_esd_work(dssdev);
+	td->esd_interval = t;
+	if (td->enabled)
+		taal_queue_esd_work(dssdev);
+	mutex_unlock(&td->lock);
+
+	return count;
+}
+
+static ssize_t taal_show_esd_interval(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	unsigned t;
+
+	mutex_lock(&td->lock);
+	t = td->esd_interval;
+	mutex_unlock(&td->lock);
+
+	return snprintf(buf, PAGE_SIZE, "%u\n", t);
+}
+
+static ssize_t taal_store_ulps(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	unsigned long t;
+	int r;
+
+	r = strict_strtoul(buf, 10, &t);
+	if (r)
+		return r;
+
+	mutex_lock(&td->lock);
+
+	if (td->enabled) {
+		dsi_bus_lock(dssdev);
+
+		if (t)
+			r = taal_enter_ulps(dssdev);
+		else
+			r = taal_wake_up(dssdev);
+
+		dsi_bus_unlock(dssdev);
+	}
+
+	mutex_unlock(&td->lock);
+
+	if (r)
+		return r;
+
+	return count;
+}
+
+static ssize_t taal_show_ulps(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	unsigned t;
+
+	mutex_lock(&td->lock);
+	t = td->ulps_enabled;
+	mutex_unlock(&td->lock);
+
+	return snprintf(buf, PAGE_SIZE, "%u\n", t);
+}
+
+static ssize_t taal_store_ulps_timeout(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	unsigned long t;
+	int r;
+
+	r = strict_strtoul(buf, 10, &t);
+	if (r)
+		return r;
+
+	mutex_lock(&td->lock);
+	td->ulps_timeout = t;
+
+	if (td->enabled) {
+		/* taal_wake_up will restart the timer */
+		dsi_bus_lock(dssdev);
+		r = taal_wake_up(dssdev);
+		dsi_bus_unlock(dssdev);
+	}
+
+	mutex_unlock(&td->lock);
+
+	if (r)
+		return r;
+
+	return count;
+}
+
+static ssize_t taal_show_ulps_timeout(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	unsigned t;
+
+	mutex_lock(&td->lock);
+	t = td->ulps_timeout;
+	mutex_unlock(&td->lock);
+
+	return snprintf(buf, PAGE_SIZE, "%u\n", t);
+}
+
+static DEVICE_ATTR(num_dsi_errors, S_IRUGO, taal_num_errors_show, NULL);
+static DEVICE_ATTR(hw_revision, S_IRUGO, taal_hw_revision_show, NULL);
+static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
+		show_cabc_mode, store_cabc_mode);
+static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
+		show_cabc_available_modes, NULL);
+static DEVICE_ATTR(esd_interval, S_IRUGO | S_IWUSR,
+		taal_show_esd_interval, taal_store_esd_interval);
+static DEVICE_ATTR(ulps, S_IRUGO | S_IWUSR,
+		taal_show_ulps, taal_store_ulps);
+static DEVICE_ATTR(ulps_timeout, S_IRUGO | S_IWUSR,
+		taal_show_ulps_timeout, taal_store_ulps_timeout);
+
+static struct attribute *taal_attrs[] = {
+	&dev_attr_num_dsi_errors.attr,
+	&dev_attr_hw_revision.attr,
+	&dev_attr_cabc_mode.attr,
+	&dev_attr_cabc_available_modes.attr,
+	&dev_attr_esd_interval.attr,
+	&dev_attr_ulps.attr,
+	&dev_attr_ulps_timeout.attr,
+	NULL,
+};
+
+static struct attribute_group taal_attr_group = {
+	.attrs = taal_attrs,
+};
+
+static void taal_hw_reset(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+
+	if (panel_data->reset_gpio == -1)
+		return;
+
+	gpio_set_value(panel_data->reset_gpio, 1);
+	if (td->panel_config->reset_sequence.high)
+		udelay(td->panel_config->reset_sequence.high);
+	/* reset the panel */
+	gpio_set_value(panel_data->reset_gpio, 0);
+	/* assert reset */
+	if (td->panel_config->reset_sequence.low)
+		udelay(td->panel_config->reset_sequence.low);
+	gpio_set_value(panel_data->reset_gpio, 1);
+	/* wait after releasing reset */
+	if (td->panel_config->sleep.hw_reset)
+		msleep(td->panel_config->sleep.hw_reset);
+}
+
+static int taal_probe(struct omap_dss_device *dssdev)
+{
+	struct backlight_properties props;
+	struct taal_data *td;
+	struct backlight_device *bldev = NULL;
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	struct panel_config *panel_config = NULL;
+	int r, i;
+
+	dev_dbg(&dssdev->dev, "probe\n");
+
+	if (!panel_data || !panel_data->name) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(panel_configs); i++) {
+		if (strcmp(panel_data->name, panel_configs[i].name) == 0) {
+			panel_config = &panel_configs[i];
+			break;
+		}
+	}
+
+	if (!panel_config) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT;
+	dssdev->panel.timings = panel_config->timings;
+	dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888;
+
+	td = kzalloc(sizeof(*td), GFP_KERNEL);
+	if (!td) {
+		r = -ENOMEM;
+		goto err;
+	}
+	td->dssdev = dssdev;
+	td->panel_config = panel_config;
+	td->esd_interval = panel_data->esd_interval;
+	td->ulps_enabled = false;
+	td->ulps_timeout = panel_data->ulps_timeout;
+
+	mutex_init(&td->lock);
+
+	atomic_set(&td->do_update, 0);
+
+	r = init_regulators(dssdev, panel_config->regulators,
+			panel_config->num_regulators);
+	if (r)
+		goto err_reg;
+
+	td->workqueue = create_singlethread_workqueue("taal_esd");
+	if (td->workqueue == NULL) {
+		dev_err(&dssdev->dev, "can't create ESD workqueue\n");
+		r = -ENOMEM;
+		goto err_wq;
+	}
+	INIT_DELAYED_WORK_DEFERRABLE(&td->esd_work, taal_esd_work);
+	INIT_DELAYED_WORK(&td->ulps_work, taal_ulps_work);
+
+	dev_set_drvdata(&dssdev->dev, td);
+
+	taal_hw_reset(dssdev);
+
+	if (panel_data->use_dsi_backlight) {
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = 255;
+
+		props.type = BACKLIGHT_RAW;
+		bldev = backlight_device_register(dev_name(&dssdev->dev),
+				&dssdev->dev, dssdev, &taal_bl_ops, &props);
+		if (IS_ERR(bldev)) {
+			r = PTR_ERR(bldev);
+			goto err_bl;
+		}
+
+		td->bldev = bldev;
+
+		bldev->props.fb_blank = FB_BLANK_UNBLANK;
+		bldev->props.power = FB_BLANK_UNBLANK;
+		bldev->props.brightness = 255;
+
+		taal_bl_update_status(bldev);
+	}
+
+	if (panel_data->use_ext_te) {
+		int gpio = panel_data->ext_te_gpio;
+
+		r = gpio_request_one(gpio, GPIOF_IN, "taal irq");
+		if (r) {
+			dev_err(&dssdev->dev, "GPIO request failed\n");
+			goto err_gpio;
+		}
+
+		r = request_irq(gpio_to_irq(gpio), taal_te_isr,
+				IRQF_TRIGGER_RISING,
+				"taal vsync", dssdev);
+
+		if (r) {
+			dev_err(&dssdev->dev, "IRQ request failed\n");
+			gpio_free(gpio);
+			goto err_irq;
+		}
+
+		INIT_DELAYED_WORK_DEFERRABLE(&td->te_timeout_work,
+					taal_te_timeout_work_callback);
+
+		dev_dbg(&dssdev->dev, "Using GPIO TE\n");
+	}
+
+	r = omap_dsi_request_vc(dssdev, &td->channel);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to get virtual channel\n");
+		goto err_req_vc;
+	}
+
+	r = omap_dsi_set_vc_id(dssdev, td->channel, TCH);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to set VC_ID\n");
+		goto err_vc_id;
+	}
+
+	r = sysfs_create_group(&dssdev->dev.kobj, &taal_attr_group);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to create sysfs files\n");
+		goto err_vc_id;
+	}
+
+	return 0;
+
+err_vc_id:
+	omap_dsi_release_vc(dssdev, td->channel);
+err_req_vc:
+	if (panel_data->use_ext_te)
+		free_irq(gpio_to_irq(panel_data->ext_te_gpio), dssdev);
+err_irq:
+	if (panel_data->use_ext_te)
+		gpio_free(panel_data->ext_te_gpio);
+err_gpio:
+	if (bldev != NULL)
+		backlight_device_unregister(bldev);
+err_bl:
+	destroy_workqueue(td->workqueue);
+err_wq:
+	free_regulators(panel_config->regulators, panel_config->num_regulators);
+err_reg:
+	kfree(td);
+err:
+	return r;
+}
+
+static void __exit taal_remove(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	struct backlight_device *bldev;
+
+	dev_dbg(&dssdev->dev, "remove\n");
+
+	sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group);
+	omap_dsi_release_vc(dssdev, td->channel);
+
+	if (panel_data->use_ext_te) {
+		int gpio = panel_data->ext_te_gpio;
+		free_irq(gpio_to_irq(gpio), dssdev);
+		gpio_free(gpio);
+	}
+
+	bldev = td->bldev;
+	if (bldev != NULL) {
+		bldev->props.power = FB_BLANK_POWERDOWN;
+		taal_bl_update_status(bldev);
+		backlight_device_unregister(bldev);
+	}
+
+	taal_cancel_ulps_work(dssdev);
+	taal_cancel_esd_work(dssdev);
+	destroy_workqueue(td->workqueue);
+
+	/* reset, to be sure that the panel is in a valid state */
+	taal_hw_reset(dssdev);
+
+	free_regulators(td->panel_config->regulators,
+			td->panel_config->num_regulators);
+
+	kfree(td);
+}
+
+static int taal_power_on(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	u8 id1, id2, id3;
+	int r;
+
+	r = omapdss_dsi_display_enable(dssdev);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to enable DSI\n");
+		goto err0;
+	}
+
+	taal_hw_reset(dssdev);
+
+	omapdss_dsi_vc_enable_hs(dssdev, td->channel, false);
+
+	r = taal_sleep_out(td);
+	if (r)
+		goto err;
+
+	r = taal_get_id(td, &id1, &id2, &id3);
+	if (r)
+		goto err;
+
+	/* on early Taal revisions CABC is broken */
+	if (td->panel_config->type == PANEL_TAAL &&
+		(id2 == 0x00 || id2 == 0xff || id2 == 0x81))
+		td->cabc_broken = true;
+
+	r = taal_dcs_write_1(td, DCS_BRIGHTNESS, 0xff);
+	if (r)
+		goto err;
+
+	r = taal_dcs_write_1(td, DCS_CTRL_DISPLAY,
+			(1<<2) | (1<<5));	/* BL | BCTRL */
+	if (r)
+		goto err;
+
+	r = taal_dcs_write_1(td, MIPI_DCS_SET_PIXEL_FORMAT,
+		MIPI_DCS_PIXEL_FMT_24BIT);
+	if (r)
+		goto err;
+
+	r = taal_set_addr_mode(td, td->rotate, td->mirror);
+	if (r)
+		goto err;
+
+	if (!td->cabc_broken) {
+		r = taal_dcs_write_1(td, DCS_WRITE_CABC, td->cabc_mode);
+		if (r)
+			goto err;
+	}
+
+	r = taal_dcs_write_0(td, MIPI_DCS_SET_DISPLAY_ON);
+	if (r)
+		goto err;
+
+	r = _taal_enable_te(dssdev, td->te_enabled);
+	if (r)
+		goto err;
+
+	r = dsi_enable_video_output(dssdev, td->channel);
+	if (r)
+		goto err;
+
+	td->enabled = 1;
+
+	if (!td->intro_printed) {
+		dev_info(&dssdev->dev, "%s panel revision %02x.%02x.%02x\n",
+			td->panel_config->name, id1, id2, id3);
+		if (td->cabc_broken)
+			dev_info(&dssdev->dev,
+					"old Taal version, CABC disabled\n");
+		td->intro_printed = true;
+	}
+
+	omapdss_dsi_vc_enable_hs(dssdev, td->channel, true);
+
+	return 0;
+err:
+	dev_err(&dssdev->dev, "error while enabling panel, issuing HW reset\n");
+
+	taal_hw_reset(dssdev);
+
+	omapdss_dsi_display_disable(dssdev, true, false);
+err0:
+	return r;
+}
+
+static void taal_power_off(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dsi_disable_video_output(dssdev, td->channel);
+
+	r = taal_dcs_write_0(td, MIPI_DCS_SET_DISPLAY_OFF);
+	if (!r)
+		r = taal_sleep_in(td);
+
+	if (r) {
+		dev_err(&dssdev->dev,
+				"error disabling panel, issuing HW reset\n");
+		taal_hw_reset(dssdev);
+	}
+
+	omapdss_dsi_display_disable(dssdev, true, false);
+
+	td->enabled = 0;
+}
+
+static int taal_panel_reset(struct omap_dss_device *dssdev)
+{
+	dev_err(&dssdev->dev, "performing LCD reset\n");
+
+	taal_power_off(dssdev);
+	taal_hw_reset(dssdev);
+	return taal_power_on(dssdev);
+}
+
+static int taal_enable(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "enable\n");
+
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	dsi_bus_lock(dssdev);
+
+	r = taal_power_on(dssdev);
+
+	dsi_bus_unlock(dssdev);
+
+	if (r)
+		goto err;
+
+	taal_queue_esd_work(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&td->lock);
+
+	return 0;
+err:
+	dev_dbg(&dssdev->dev, "enable failed\n");
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static void taal_disable(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	dev_dbg(&dssdev->dev, "disable\n");
+
+	mutex_lock(&td->lock);
+
+	taal_cancel_ulps_work(dssdev);
+	taal_cancel_esd_work(dssdev);
+
+	dsi_bus_lock(dssdev);
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		int r;
+
+		r = taal_wake_up(dssdev);
+		if (!r)
+			taal_power_off(dssdev);
+	}
+
+	dsi_bus_unlock(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&td->lock);
+}
+
+static int taal_suspend(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "suspend\n");
+
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	taal_cancel_ulps_work(dssdev);
+	taal_cancel_esd_work(dssdev);
+
+	dsi_bus_lock(dssdev);
+
+	r = taal_wake_up(dssdev);
+	if (!r)
+		taal_power_off(dssdev);
+
+	dsi_bus_unlock(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	mutex_unlock(&td->lock);
+
+	return 0;
+err:
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static int taal_resume(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "resume\n");
+
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	dsi_bus_lock(dssdev);
+
+	r = taal_power_on(dssdev);
+
+	dsi_bus_unlock(dssdev);
+
+	if (r) {
+		dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+	} else {
+		dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+		taal_queue_esd_work(dssdev);
+	}
+
+	mutex_unlock(&td->lock);
+
+	return r;
+err:
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static void taal_framedone_cb(int err, void *data)
+{
+	struct omap_dss_device *dssdev = data;
+	dev_dbg(&dssdev->dev, "framedone, err %d\n", err);
+	dsi_bus_unlock(dssdev);
+}
+
+static irqreturn_t taal_te_isr(int irq, void *data)
+{
+	struct omap_dss_device *dssdev = data;
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int old;
+	int r;
+
+	old = atomic_cmpxchg(&td->do_update, 1, 0);
+
+	if (old) {
+		cancel_delayed_work(&td->te_timeout_work);
+
+		r = omap_dsi_update(dssdev, td->channel, taal_framedone_cb,
+				dssdev);
+		if (r)
+			goto err;
+	}
+
+	return IRQ_HANDLED;
+err:
+	dev_err(&dssdev->dev, "start update failed\n");
+	dsi_bus_unlock(dssdev);
+	return IRQ_HANDLED;
+}
+
+static void taal_te_timeout_work_callback(struct work_struct *work)
+{
+	struct taal_data *td = container_of(work, struct taal_data,
+					te_timeout_work.work);
+	struct omap_dss_device *dssdev = td->dssdev;
+
+	dev_err(&dssdev->dev, "TE not received for 250ms!\n");
+
+	atomic_set(&td->do_update, 0);
+	dsi_bus_unlock(dssdev);
+}
+
+static int taal_update(struct omap_dss_device *dssdev,
+				    u16 x, u16 y, u16 w, u16 h)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
+
+	mutex_lock(&td->lock);
+	dsi_bus_lock(dssdev);
+
+	r = taal_wake_up(dssdev);
+	if (r)
+		goto err;
+
+	if (!td->enabled) {
+		r = 0;
+		goto err;
+	}
+
+	/* XXX no need to send this every frame, but dsi break if not done */
+	r = taal_set_update_window(td, 0, 0,
+			td->panel_config->timings.x_res,
+			td->panel_config->timings.y_res);
+	if (r)
+		goto err;
+
+	if (td->te_enabled && panel_data->use_ext_te) {
+		schedule_delayed_work(&td->te_timeout_work,
+				msecs_to_jiffies(250));
+		atomic_set(&td->do_update, 1);
+	} else {
+		r = omap_dsi_update(dssdev, td->channel, taal_framedone_cb,
+				dssdev);
+		if (r)
+			goto err;
+	}
+
+	/* note: no bus_unlock here. unlock is in framedone_cb */
+	mutex_unlock(&td->lock);
+	return 0;
+err:
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static int taal_sync(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	dev_dbg(&dssdev->dev, "sync\n");
+
+	mutex_lock(&td->lock);
+	dsi_bus_lock(dssdev);
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+
+	dev_dbg(&dssdev->dev, "sync done\n");
+
+	return 0;
+}
+
+static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	int r;
+
+	if (enable)
+		r = taal_dcs_write_1(td, MIPI_DCS_SET_TEAR_ON, 0);
+	else
+		r = taal_dcs_write_0(td, MIPI_DCS_SET_TEAR_OFF);
+
+	if (!panel_data->use_ext_te)
+		omapdss_dsi_enable_te(dssdev, enable);
+
+	if (td->panel_config->sleep.enable_te)
+		msleep(td->panel_config->sleep.enable_te);
+
+	return r;
+}
+
+static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&td->lock);
+
+	if (td->te_enabled == enable)
+		goto end;
+
+	dsi_bus_lock(dssdev);
+
+	if (td->enabled) {
+		r = taal_wake_up(dssdev);
+		if (r)
+			goto err;
+
+		r = _taal_enable_te(dssdev, enable);
+		if (r)
+			goto err;
+	}
+
+	td->te_enabled = enable;
+
+	dsi_bus_unlock(dssdev);
+end:
+	mutex_unlock(&td->lock);
+
+	return 0;
+err:
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+
+	return r;
+}
+
+static int taal_get_te(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&td->lock);
+	r = td->te_enabled;
+	mutex_unlock(&td->lock);
+
+	return r;
+}
+
+static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
+
+	mutex_lock(&td->lock);
+
+	if (td->rotate == rotate)
+		goto end;
+
+	dsi_bus_lock(dssdev);
+
+	if (td->enabled) {
+		r = taal_wake_up(dssdev);
+		if (r)
+			goto err;
+
+		r = taal_set_addr_mode(td, rotate, td->mirror);
+		if (r)
+			goto err;
+	}
+
+	td->rotate = rotate;
+
+	dsi_bus_unlock(dssdev);
+end:
+	mutex_unlock(&td->lock);
+	return 0;
+err:
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static u8 taal_get_rotate(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&td->lock);
+	r = td->rotate;
+	mutex_unlock(&td->lock);
+
+	return r;
+}
+
+static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	dev_dbg(&dssdev->dev, "mirror %d\n", enable);
+
+	mutex_lock(&td->lock);
+
+	if (td->mirror == enable)
+		goto end;
+
+	dsi_bus_lock(dssdev);
+	if (td->enabled) {
+		r = taal_wake_up(dssdev);
+		if (r)
+			goto err;
+
+		r = taal_set_addr_mode(td, td->rotate, enable);
+		if (r)
+			goto err;
+	}
+
+	td->mirror = enable;
+
+	dsi_bus_unlock(dssdev);
+end:
+	mutex_unlock(&td->lock);
+	return 0;
+err:
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static bool taal_get_mirror(struct omap_dss_device *dssdev)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&td->lock);
+	r = td->mirror;
+	mutex_unlock(&td->lock);
+
+	return r;
+}
+
+static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
+{
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	u8 id1, id2, id3;
+	int r;
+
+	mutex_lock(&td->lock);
+
+	if (!td->enabled) {
+		r = -ENODEV;
+		goto err1;
+	}
+
+	dsi_bus_lock(dssdev);
+
+	r = taal_wake_up(dssdev);
+	if (r)
+		goto err2;
+
+	r = taal_dcs_read_1(td, DCS_GET_ID1, &id1);
+	if (r)
+		goto err2;
+	r = taal_dcs_read_1(td, DCS_GET_ID2, &id2);
+	if (r)
+		goto err2;
+	r = taal_dcs_read_1(td, DCS_GET_ID3, &id3);
+	if (r)
+		goto err2;
+
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+	return 0;
+err2:
+	dsi_bus_unlock(dssdev);
+err1:
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static int taal_memory_read(struct omap_dss_device *dssdev,
+		void *buf, size_t size,
+		u16 x, u16 y, u16 w, u16 h)
+{
+	int r;
+	int first = 1;
+	int plen;
+	unsigned buf_used = 0;
+	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+	if (size < w * h * 3)
+		return -ENOMEM;
+
+	mutex_lock(&td->lock);
+
+	if (!td->enabled) {
+		r = -ENODEV;
+		goto err1;
+	}
+
+	size = min(w * h * 3,
+			dssdev->panel.timings.x_res *
+			dssdev->panel.timings.y_res * 3);
+
+	dsi_bus_lock(dssdev);
+
+	r = taal_wake_up(dssdev);
+	if (r)
+		goto err2;
+
+	/* plen 1 or 2 goes into short packet. until checksum error is fixed,
+	 * use short packets. plen 32 works, but bigger packets seem to cause
+	 * an error. */
+	if (size % 2)
+		plen = 1;
+	else
+		plen = 2;
+
+	taal_set_update_window(td, x, y, w, h);
+
+	r = dsi_vc_set_max_rx_packet_size(dssdev, td->channel, plen);
+	if (r)
+		goto err2;
+
+	while (buf_used < size) {
+		u8 dcs_cmd = first ? 0x2e : 0x3e;
+		first = 0;
+
+		r = dsi_vc_dcs_read(dssdev, td->channel, dcs_cmd,
+				buf + buf_used, size - buf_used);
+
+		if (r < 0) {
+			dev_err(&dssdev->dev, "read error\n");
+			goto err3;
+		}
+
+		buf_used += r;
+
+		if (r < plen) {
+			dev_err(&dssdev->dev, "short read\n");
+			break;
+		}
+
+		if (signal_pending(current)) {
+			dev_err(&dssdev->dev, "signal pending, "
+					"aborting memory read\n");
+			r = -ERESTARTSYS;
+			goto err3;
+		}
+	}
+
+	r = buf_used;
+
+err3:
+	dsi_vc_set_max_rx_packet_size(dssdev, td->channel, 1);
+err2:
+	dsi_bus_unlock(dssdev);
+err1:
+	mutex_unlock(&td->lock);
+	return r;
+}
+
+static void taal_ulps_work(struct work_struct *work)
+{
+	struct taal_data *td = container_of(work, struct taal_data,
+			ulps_work.work);
+	struct omap_dss_device *dssdev = td->dssdev;
+
+	mutex_lock(&td->lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE || !td->enabled) {
+		mutex_unlock(&td->lock);
+		return;
+	}
+
+	dsi_bus_lock(dssdev);
+
+	taal_enter_ulps(dssdev);
+
+	dsi_bus_unlock(dssdev);
+	mutex_unlock(&td->lock);
+}
+
+static void taal_esd_work(struct work_struct *work)
+{
+	struct taal_data *td = container_of(work, struct taal_data,
+			esd_work.work);
+	struct omap_dss_device *dssdev = td->dssdev;
+	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+	u8 state1, state2;
+	int r;
+
+	mutex_lock(&td->lock);
+
+	if (!td->enabled) {
+		mutex_unlock(&td->lock);
+		return;
+	}
+
+	dsi_bus_lock(dssdev);
+
+	r = taal_wake_up(dssdev);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to exit ULPS\n");
+		goto err;
+	}
+
+	r = taal_dcs_read_1(td, MIPI_DCS_GET_DIAGNOSTIC_RESULT, &state1);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to read Taal status\n");
+		goto err;
+	}
+
+	/* Run self diagnostics */
+	r = taal_sleep_out(td);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to run Taal self-diagnostics\n");
+		goto err;
+	}
+
+	r = taal_dcs_read_1(td, MIPI_DCS_GET_DIAGNOSTIC_RESULT, &state2);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to read Taal status\n");
+		goto err;
+	}
+
+	/* Each sleep out command will trigger a self diagnostic and flip
+	 * Bit6 if the test passes.
+	 */
+	if (!((state1 ^ state2) & (1 << 6))) {
+		dev_err(&dssdev->dev, "LCD self diagnostics failed\n");
+		goto err;
+	}
+	/* Self-diagnostics result is also shown on TE GPIO line. We need
+	 * to re-enable TE after self diagnostics */
+	if (td->te_enabled && panel_data->use_ext_te) {
+		r = taal_dcs_write_1(td, MIPI_DCS_SET_TEAR_ON, 0);
+		if (r)
+			goto err;
+	}
+
+	dsi_bus_unlock(dssdev);
+
+	taal_queue_esd_work(dssdev);
+
+	mutex_unlock(&td->lock);
+	return;
+err:
+	dev_err(&dssdev->dev, "performing LCD reset\n");
+
+	taal_panel_reset(dssdev);
+
+	dsi_bus_unlock(dssdev);
+
+	taal_queue_esd_work(dssdev);
+
+	mutex_unlock(&td->lock);
+}
+
+static struct omap_dss_driver taal_driver = {
+	.probe		= taal_probe,
+	.remove		= __exit_p(taal_remove),
+
+	.enable		= taal_enable,
+	.disable	= taal_disable,
+	.suspend	= taal_suspend,
+	.resume		= taal_resume,
+
+	.update		= taal_update,
+	.sync		= taal_sync,
+
+	.get_resolution	= taal_get_resolution,
+	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
+
+	.enable_te	= taal_enable_te,
+	.get_te		= taal_get_te,
+
+	.set_rotate	= taal_rotate,
+	.get_rotate	= taal_get_rotate,
+	.set_mirror	= taal_mirror,
+	.get_mirror	= taal_get_mirror,
+	.run_test	= taal_run_test,
+	.memory_read	= taal_memory_read,
+
+	.get_timings	= taal_get_timings,
+
+	.driver         = {
+		.name   = "taal",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init taal_init(void)
+{
+	omap_dss_register_driver(&taal_driver);
+
+	return 0;
+}
+
+static void __exit taal_exit(void)
+{
+	omap_dss_unregister_driver(&taal_driver);
+}
+
+module_init(taal_init);
+module_exit(taal_exit);
+
+MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
+MODULE_DESCRIPTION("Taal Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
new file mode 100644
index 00000000..32f3fcd7
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
@@ -0,0 +1,583 @@
+/*
+ * LCD panel driver for TPO TD043MTEA1
+ *
+ * Author: Gražvydas Ignotas <notasas@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+#include <linux/regulator/consumer.h>
+#include <linux/gpio.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+
+#include <video/omapdss.h>
+
+#define TPO_R02_MODE(x)		((x) & 7)
+#define TPO_R02_MODE_800x480	7
+#define TPO_R02_NCLK_RISING	BIT(3)
+#define TPO_R02_HSYNC_HIGH	BIT(4)
+#define TPO_R02_VSYNC_HIGH	BIT(5)
+
+#define TPO_R03_NSTANDBY	BIT(0)
+#define TPO_R03_EN_CP_CLK	BIT(1)
+#define TPO_R03_EN_VGL_PUMP	BIT(2)
+#define TPO_R03_EN_PWM		BIT(3)
+#define TPO_R03_DRIVING_CAP_100	BIT(4)
+#define TPO_R03_EN_PRE_CHARGE	BIT(6)
+#define TPO_R03_SOFTWARE_CTL	BIT(7)
+
+#define TPO_R04_NFLIP_H		BIT(0)
+#define TPO_R04_NFLIP_V		BIT(1)
+#define TPO_R04_CP_CLK_FREQ_1H	BIT(2)
+#define TPO_R04_VGL_FREQ_1H	BIT(4)
+
+#define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
+			TPO_R03_EN_VGL_PUMP |  TPO_R03_EN_PWM | \
+			TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
+			TPO_R03_SOFTWARE_CTL)
+
+#define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
+			TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
+
+static const u16 tpo_td043_def_gamma[12] = {
+	105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
+};
+
+struct tpo_td043_device {
+	struct spi_device *spi;
+	struct regulator *vcc_reg;
+	int nreset_gpio;
+	u16 gamma[12];
+	u32 mode;
+	u32 hmirror:1;
+	u32 vmirror:1;
+	u32 powered_on:1;
+	u32 spi_suspended:1;
+	u32 power_on_resume:1;
+};
+
+static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
+{
+	struct spi_message	m;
+	struct spi_transfer	xfer;
+	u16			w;
+	int			r;
+
+	spi_message_init(&m);
+
+	memset(&xfer, 0, sizeof(xfer));
+
+	w = ((u16)addr << 10) | (1 << 8) | data;
+	xfer.tx_buf = &w;
+	xfer.bits_per_word = 16;
+	xfer.len = 2;
+	spi_message_add_tail(&xfer, &m);
+
+	r = spi_sync(spi, &m);
+	if (r < 0)
+		dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
+	return r;
+}
+
+static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
+{
+	u8 i, val;
+
+	/* gamma bits [9:8] */
+	for (val = i = 0; i < 4; i++)
+		val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
+	tpo_td043_write(spi, 0x11, val);
+
+	for (val = i = 0; i < 4; i++)
+		val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
+	tpo_td043_write(spi, 0x12, val);
+
+	for (val = i = 0; i < 4; i++)
+		val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
+	tpo_td043_write(spi, 0x13, val);
+
+	/* gamma bits [7:0] */
+	for (val = i = 0; i < 12; i++)
+		tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
+}
+
+static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
+{
+	u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V | \
+		TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
+	if (h)
+		reg4 &= ~TPO_R04_NFLIP_H;
+	if (v)
+		reg4 &= ~TPO_R04_NFLIP_V;
+
+	return tpo_td043_write(spi, 4, reg4);
+}
+
+static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+	tpo_td043->hmirror = enable;
+	return tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
+			tpo_td043->vmirror);
+}
+
+static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+	return tpo_td043->hmirror;
+}
+
+static ssize_t tpo_td043_vmirror_show(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->vmirror);
+}
+
+static ssize_t tpo_td043_vmirror_store(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+	int val;
+	int ret;
+
+	ret = kstrtoint(buf, 0, &val);
+	if (ret < 0)
+		return ret;
+
+	val = !!val;
+
+	ret = tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror, val);
+	if (ret < 0)
+		return ret;
+
+	tpo_td043->vmirror = val;
+
+	return count;
+}
+
+static ssize_t tpo_td043_mode_show(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->mode);
+}
+
+static ssize_t tpo_td043_mode_store(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+	long val;
+	int ret;
+
+	ret = kstrtol(buf, 0, &val);
+	if (ret != 0 || val & ~7)
+		return -EINVAL;
+
+	tpo_td043->mode = val;
+
+	val |= TPO_R02_NCLK_RISING;
+	tpo_td043_write(tpo_td043->spi, 2, val);
+
+	return count;
+}
+
+static ssize_t tpo_td043_gamma_show(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+	ssize_t len = 0;
+	int ret;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tpo_td043->gamma); i++) {
+		ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
+				tpo_td043->gamma[i]);
+		if (ret < 0)
+			return ret;
+		len += ret;
+	}
+	buf[len - 1] = '\n';
+
+	return len;
+}
+
+static ssize_t tpo_td043_gamma_store(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+	unsigned int g[12];
+	int ret;
+	int i;
+
+	ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
+			&g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
+			&g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
+
+	if (ret != 12)
+		return -EINVAL;
+
+	for (i = 0; i < 12; i++)
+		tpo_td043->gamma[i] = g[i];
+
+	tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
+
+	return count;
+}
+
+static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
+		tpo_td043_vmirror_show, tpo_td043_vmirror_store);
+static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
+		tpo_td043_mode_show, tpo_td043_mode_store);
+static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
+		tpo_td043_gamma_show, tpo_td043_gamma_store);
+
+static struct attribute *tpo_td043_attrs[] = {
+	&dev_attr_vmirror.attr,
+	&dev_attr_mode.attr,
+	&dev_attr_gamma.attr,
+	NULL,
+};
+
+static struct attribute_group tpo_td043_attr_group = {
+	.attrs = tpo_td043_attrs,
+};
+
+static const struct omap_video_timings tpo_td043_timings = {
+	.x_res		= 800,
+	.y_res		= 480,
+
+	.pixel_clock	= 36000,
+
+	.hsw		= 1,
+	.hfp		= 68,
+	.hbp		= 214,
+
+	.vsw		= 1,
+	.vfp		= 39,
+	.vbp		= 34,
+};
+
+static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
+{
+	int nreset_gpio = tpo_td043->nreset_gpio;
+
+	if (tpo_td043->powered_on)
+		return 0;
+
+	regulator_enable(tpo_td043->vcc_reg);
+
+	/* wait for regulator to stabilize */
+	msleep(160);
+
+	if (gpio_is_valid(nreset_gpio))
+		gpio_set_value(nreset_gpio, 1);
+
+	tpo_td043_write(tpo_td043->spi, 2,
+			TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
+	tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_NORMAL);
+	tpo_td043_write(tpo_td043->spi, 0x20, 0xf0);
+	tpo_td043_write(tpo_td043->spi, 0x21, 0xf0);
+	tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
+			tpo_td043->vmirror);
+	tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
+
+	tpo_td043->powered_on = 1;
+	return 0;
+}
+
+static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043)
+{
+	int nreset_gpio = tpo_td043->nreset_gpio;
+
+	if (!tpo_td043->powered_on)
+		return;
+
+	tpo_td043_write(tpo_td043->spi, 3,
+			TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
+
+	if (gpio_is_valid(nreset_gpio))
+		gpio_set_value(nreset_gpio, 0);
+
+	/* wait for at least 2 vsyncs before cutting off power */
+	msleep(50);
+
+	tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_STANDBY);
+
+	regulator_disable(tpo_td043->vcc_reg);
+
+	tpo_td043->powered_on = 0;
+}
+
+static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	/*
+	 * If we are resuming from system suspend, SPI clocks might not be
+	 * enabled yet, so we'll program the LCD from SPI PM resume callback.
+	 */
+	if (!tpo_td043->spi_suspended) {
+		r = tpo_td043_power_on(tpo_td043);
+		if (r)
+			goto err1;
+	}
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void tpo_td043_disable_dss(struct omap_dss_device *dssdev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+
+	if (!tpo_td043->spi_suspended)
+		tpo_td043_power_off(tpo_td043);
+}
+
+static int tpo_td043_enable(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "enable\n");
+
+	return tpo_td043_enable_dss(dssdev);
+}
+
+static void tpo_td043_disable(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "disable\n");
+
+	tpo_td043_disable_dss(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int tpo_td043_suspend(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "suspend\n");
+
+	tpo_td043_disable_dss(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	return 0;
+}
+
+static int tpo_td043_resume(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "resume\n");
+
+	return tpo_td043_enable_dss(dssdev);
+}
+
+static int tpo_td043_probe(struct omap_dss_device *dssdev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+	int nreset_gpio = dssdev->reset_gpio;
+	int ret = 0;
+
+	dev_dbg(&dssdev->dev, "probe\n");
+
+	if (tpo_td043 == NULL) {
+		dev_err(&dssdev->dev, "missing tpo_td043_device\n");
+		return -ENODEV;
+	}
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IHS |
+				OMAP_DSS_LCD_IVS | OMAP_DSS_LCD_IPC;
+	dssdev->panel.timings = tpo_td043_timings;
+	dssdev->ctrl.pixel_size = 24;
+
+	tpo_td043->mode = TPO_R02_MODE_800x480;
+	memcpy(tpo_td043->gamma, tpo_td043_def_gamma, sizeof(tpo_td043->gamma));
+
+	tpo_td043->vcc_reg = regulator_get(&dssdev->dev, "vcc");
+	if (IS_ERR(tpo_td043->vcc_reg)) {
+		dev_err(&dssdev->dev, "failed to get LCD VCC regulator\n");
+		ret = PTR_ERR(tpo_td043->vcc_reg);
+		goto fail_regulator;
+	}
+
+	if (gpio_is_valid(nreset_gpio)) {
+		ret = gpio_request_one(nreset_gpio, GPIOF_OUT_INIT_LOW,
+					"lcd reset");
+		if (ret < 0) {
+			dev_err(&dssdev->dev, "couldn't request reset GPIO\n");
+			goto fail_gpio_req;
+		}
+	}
+
+	ret = sysfs_create_group(&dssdev->dev.kobj, &tpo_td043_attr_group);
+	if (ret)
+		dev_warn(&dssdev->dev, "failed to create sysfs files\n");
+
+	return 0;
+
+fail_gpio_req:
+	regulator_put(tpo_td043->vcc_reg);
+fail_regulator:
+	kfree(tpo_td043);
+	return ret;
+}
+
+static void tpo_td043_remove(struct omap_dss_device *dssdev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+	int nreset_gpio = dssdev->reset_gpio;
+
+	dev_dbg(&dssdev->dev, "remove\n");
+
+	sysfs_remove_group(&dssdev->dev.kobj, &tpo_td043_attr_group);
+	regulator_put(tpo_td043->vcc_reg);
+	if (gpio_is_valid(nreset_gpio))
+		gpio_free(nreset_gpio);
+}
+
+static struct omap_dss_driver tpo_td043_driver = {
+	.probe		= tpo_td043_probe,
+	.remove		= tpo_td043_remove,
+
+	.enable		= tpo_td043_enable,
+	.disable	= tpo_td043_disable,
+	.suspend	= tpo_td043_suspend,
+	.resume		= tpo_td043_resume,
+	.set_mirror	= tpo_td043_set_hmirror,
+	.get_mirror	= tpo_td043_get_hmirror,
+
+	.driver         = {
+		.name	= "tpo_td043mtea1_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int tpo_td043_spi_probe(struct spi_device *spi)
+{
+	struct omap_dss_device *dssdev = spi->dev.platform_data;
+	struct tpo_td043_device *tpo_td043;
+	int ret;
+
+	if (dssdev == NULL) {
+		dev_err(&spi->dev, "missing dssdev\n");
+		return -ENODEV;
+	}
+
+	spi->bits_per_word = 16;
+	spi->mode = SPI_MODE_0;
+
+	ret = spi_setup(spi);
+	if (ret < 0) {
+		dev_err(&spi->dev, "spi_setup failed: %d\n", ret);
+		return ret;
+	}
+
+	tpo_td043 = kzalloc(sizeof(*tpo_td043), GFP_KERNEL);
+	if (tpo_td043 == NULL)
+		return -ENOMEM;
+
+	tpo_td043->spi = spi;
+	tpo_td043->nreset_gpio = dssdev->reset_gpio;
+	dev_set_drvdata(&spi->dev, tpo_td043);
+	dev_set_drvdata(&dssdev->dev, tpo_td043);
+
+	omap_dss_register_driver(&tpo_td043_driver);
+
+	return 0;
+}
+
+static int __devexit tpo_td043_spi_remove(struct spi_device *spi)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&spi->dev);
+
+	omap_dss_unregister_driver(&tpo_td043_driver);
+	kfree(tpo_td043);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int tpo_td043_spi_suspend(struct device *dev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+
+	dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", tpo_td043);
+
+	tpo_td043->power_on_resume = tpo_td043->powered_on;
+	tpo_td043_power_off(tpo_td043);
+	tpo_td043->spi_suspended = 1;
+
+	return 0;
+}
+
+static int tpo_td043_spi_resume(struct device *dev)
+{
+	struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+	int ret;
+
+	dev_dbg(dev, "tpo_td043_spi_resume\n");
+
+	if (tpo_td043->power_on_resume) {
+		ret = tpo_td043_power_on(tpo_td043);
+		if (ret)
+			return ret;
+	}
+	tpo_td043->spi_suspended = 0;
+
+	return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
+	tpo_td043_spi_suspend, tpo_td043_spi_resume);
+
+static struct spi_driver tpo_td043_spi_driver = {
+	.driver = {
+		.name	= "tpo_td043mtea1_panel_spi",
+		.owner	= THIS_MODULE,
+		.pm	= &tpo_td043_spi_pm,
+	},
+	.probe	= tpo_td043_spi_probe,
+	.remove	= __devexit_p(tpo_td043_spi_remove),
+};
+
+module_spi_driver(tpo_td043_spi_driver);
+
+MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>");
+MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
new file mode 100644
index 00000000..7be7c06a
--- /dev/null
+++ b/drivers/video/omap2/dss/Kconfig
@@ -0,0 +1,131 @@
+menuconfig OMAP2_DSS
+        tristate "OMAP2+ Display Subsystem support"
+        depends on ARCH_OMAP2PLUS
+        help
+	  OMAP2+ Display Subsystem support.
+
+if OMAP2_DSS
+
+config OMAP2_VRAM_SIZE
+	int "VRAM size (MB)"
+	range 0 32
+	default 0
+	help
+	  The amount of SDRAM to reserve at boot time for video RAM use.
+	  This VRAM will be used by omapfb and other drivers that need
+	  large continuous RAM area for video use.
+
+	  You can also set this with "vram=<bytes>" kernel argument, or
+	  in the board file.
+
+config OMAP2_DSS_DEBUG_SUPPORT
+        bool "Debug support"
+	default y
+	help
+	  This enables debug messages. You need to enable printing
+	  with 'debug' module parameter.
+
+config OMAP2_DSS_COLLECT_IRQ_STATS
+	bool "Collect DSS IRQ statistics"
+	depends on OMAP2_DSS_DEBUG_SUPPORT
+	default n
+	help
+	  Collect DSS IRQ statistics, printable via debugfs.
+
+	  The statistics can be found from
+	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
+	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
+
+config OMAP2_DSS_DPI
+	bool "DPI support"
+	default y
+	help
+	  DPI Interface. This is the Parallel Display Interface.
+
+config OMAP2_DSS_RFBI
+	bool "RFBI support"
+        default n
+	help
+	  MIPI DBI support (RFBI, Remote Framebuffer Interface, in Texas
+	  Instrument's terminology).
+
+	  DBI is a bus between the host processor and a peripheral,
+	  such as a display or a framebuffer chip.
+
+	  See http://www.mipi.org/ for DBI spesifications.
+
+config OMAP2_DSS_VENC
+	bool "VENC support"
+        default y
+	help
+	  OMAP Video Encoder support for S-Video and composite TV-out.
+
+config OMAP4_DSS_HDMI
+	bool "HDMI support"
+	depends on ARCH_OMAP4
+        default y
+	help
+	  HDMI Interface. This adds the High Definition Multimedia Interface.
+	  See http://www.hdmi.org/ for HDMI specification.
+
+config OMAP2_DSS_SDI
+	bool "SDI support"
+	depends on ARCH_OMAP3
+        default n
+	help
+	  SDI (Serial Display Interface) support.
+
+	  SDI is a high speed one-way display serial bus between the host
+	  processor and a display.
+
+config OMAP2_DSS_DSI
+	bool "DSI support"
+	depends on ARCH_OMAP3 || ARCH_OMAP4
+        default n
+	help
+	  MIPI DSI (Display Serial Interface) support.
+
+	  DSI is a high speed half-duplex serial interface between the host
+	  processor and a peripheral, such as a display or a framebuffer chip.
+
+	  See http://www.mipi.org/ for DSI spesifications.
+
+config OMAP2_DSS_FAKE_VSYNC
+	bool "Fake VSYNC irq from manual update displays"
+	default n
+	help
+	  If this is selected, DSI will generate a fake DISPC VSYNC interrupt
+	  when DSI has sent a frame. This is only needed with DSI or RFBI
+	  displays using manual mode, and you want VSYNC to, for example,
+	  time animation.
+
+config OMAP2_DSS_MIN_FCK_PER_PCK
+	int "Minimum FCK/PCK ratio (for scaling)"
+	range 0 32
+	default 0
+	help
+	  This can be used to adjust the minimum FCK/PCK ratio.
+
+	  With this you can make sure that DISPC FCK is at least
+	  n x PCK. Video plane scaling requires higher FCK than
+	  normally.
+
+	  If this is set to 0, there's no extra constraint on the
+	  DISPC FCK. However, the FCK will at minimum be
+	  2xPCK (if active matrix) or 3xPCK (if passive matrix).
+
+	  Max FCK is 173MHz, so this doesn't work if your PCK
+	  is very high.
+
+config OMAP2_DSS_SLEEP_AFTER_VENC_RESET
+	bool "Sleep 20ms after VENC reset"
+	default y
+	help
+	  There is a 20ms sleep after VENC reset which seemed to fix the
+	  reset. The reason for the bug is unclear, and it's also unclear
+	  on what platforms this happens.
+
+	  This option enables the sleep, and is enabled by default. You can
+	  disable the sleep if it doesn't cause problems on your platform.
+
+endif
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
new file mode 100644
index 00000000..5c450b0f
--- /dev/null
+++ b/drivers/video/omap2/dss/Makefile
@@ -0,0 +1,10 @@
+obj-$(CONFIG_OMAP2_DSS) += omapdss.o
+omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \
+	manager.o overlay.o apply.o
+omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
+omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
+omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
+omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
+omapdss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o
+omapdss-$(CONFIG_OMAP4_DSS_HDMI) += hdmi.o \
+				    hdmi_panel.o ti_hdmi_4xxx_ip.o
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
new file mode 100644
index 00000000..cb19af2d
--- /dev/null
+++ b/drivers/video/omap2/dss/apply.c
@@ -0,0 +1,1497 @@
+/*
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "APPLY"
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/*
+ * We have 4 levels of cache for the dispc settings. First two are in SW and
+ * the latter two in HW.
+ *
+ *       set_info()
+ *          v
+ * +--------------------+
+ * |     user_info      |
+ * +--------------------+
+ *          v
+ *        apply()
+ *          v
+ * +--------------------+
+ * |       info         |
+ * +--------------------+
+ *          v
+ *      write_regs()
+ *          v
+ * +--------------------+
+ * |  shadow registers  |
+ * +--------------------+
+ *          v
+ * VFP or lcd/digit_enable
+ *          v
+ * +--------------------+
+ * |      registers     |
+ * +--------------------+
+ */
+
+struct ovl_priv_data {
+
+	bool user_info_dirty;
+	struct omap_overlay_info user_info;
+
+	bool info_dirty;
+	struct omap_overlay_info info;
+
+	bool shadow_info_dirty;
+
+	bool extra_info_dirty;
+	bool shadow_extra_info_dirty;
+
+	bool enabled;
+	enum omap_channel channel;
+	u32 fifo_low, fifo_high;
+
+	/*
+	 * True if overlay is to be enabled. Used to check and calculate configs
+	 * for the overlay before it is enabled in the HW.
+	 */
+	bool enabling;
+};
+
+struct mgr_priv_data {
+
+	bool user_info_dirty;
+	struct omap_overlay_manager_info user_info;
+
+	bool info_dirty;
+	struct omap_overlay_manager_info info;
+
+	bool shadow_info_dirty;
+
+	/* If true, GO bit is up and shadow registers cannot be written.
+	 * Never true for manual update displays */
+	bool busy;
+
+	/* If true, dispc output is enabled */
+	bool updating;
+
+	/* If true, a display is enabled using this manager */
+	bool enabled;
+};
+
+static struct {
+	struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS];
+	struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS];
+
+	bool fifo_merge_dirty;
+	bool fifo_merge;
+
+	bool irq_enabled;
+} dss_data;
+
+/* protects dss_data */
+static spinlock_t data_lock;
+/* lock for blocking functions */
+static DEFINE_MUTEX(apply_lock);
+static DECLARE_COMPLETION(extra_updated_completion);
+
+static void dss_register_vsync_isr(void);
+
+static struct ovl_priv_data *get_ovl_priv(struct omap_overlay *ovl)
+{
+	return &dss_data.ovl_priv_data_array[ovl->id];
+}
+
+static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr)
+{
+	return &dss_data.mgr_priv_data_array[mgr->id];
+}
+
+void dss_apply_init(void)
+{
+	const int num_ovls = dss_feat_get_num_ovls();
+	int i;
+
+	spin_lock_init(&data_lock);
+
+	for (i = 0; i < num_ovls; ++i) {
+		struct ovl_priv_data *op;
+
+		op = &dss_data.ovl_priv_data_array[i];
+
+		op->info.global_alpha = 255;
+
+		switch (i) {
+		case 0:
+			op->info.zorder = 0;
+			break;
+		case 1:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 3 : 0;
+			break;
+		case 2:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 2 : 0;
+			break;
+		case 3:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 1 : 0;
+			break;
+		}
+
+		op->user_info = op->info;
+	}
+}
+
+static bool ovl_manual_update(struct omap_overlay *ovl)
+{
+	return ovl->manager->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
+}
+
+static bool mgr_manual_update(struct omap_overlay_manager *mgr)
+{
+	return mgr->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
+}
+
+static int dss_check_settings_low(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev, bool applying)
+{
+	struct omap_overlay_info *oi;
+	struct omap_overlay_manager_info *mi;
+	struct omap_overlay *ovl;
+	struct omap_overlay_info *ois[MAX_DSS_OVERLAYS];
+	struct ovl_priv_data *op;
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (applying && mp->user_info_dirty)
+		mi = &mp->user_info;
+	else
+		mi = &mp->info;
+
+	/* collect the infos to be tested into the array */
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+
+		if (!op->enabled && !op->enabling)
+			oi = NULL;
+		else if (applying && op->user_info_dirty)
+			oi = &op->user_info;
+		else
+			oi = &op->info;
+
+		ois[ovl->id] = oi;
+	}
+
+	return dss_mgr_check(mgr, dssdev, mi, ois);
+}
+
+/*
+ * check manager and overlay settings using overlay_info from data->info
+ */
+static int dss_check_settings(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev)
+{
+	return dss_check_settings_low(mgr, dssdev, false);
+}
+
+/*
+ * check manager and overlay settings using overlay_info from ovl->info if
+ * dirty and from data->info otherwise
+ */
+static int dss_check_settings_apply(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev)
+{
+	return dss_check_settings_low(mgr, dssdev, true);
+}
+
+static bool need_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+		struct omap_overlay *ovl;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		if (mgr_manual_update(mgr)) {
+			/* to catch FRAMEDONE */
+			if (mp->updating)
+				return true;
+		} else {
+			/* to catch GO bit going down */
+			if (mp->busy)
+				return true;
+
+			/* to write new values to registers */
+			if (mp->info_dirty)
+				return true;
+
+			/* to set GO bit */
+			if (mp->shadow_info_dirty)
+				return true;
+
+			list_for_each_entry(ovl, &mgr->overlays, list) {
+				struct ovl_priv_data *op;
+
+				op = get_ovl_priv(ovl);
+
+				/*
+				 * NOTE: we check extra_info flags even for
+				 * disabled overlays, as extra_infos need to be
+				 * always written.
+				 */
+
+				/* to write new values to registers */
+				if (op->extra_info_dirty)
+					return true;
+
+				/* to set GO bit */
+				if (op->shadow_extra_info_dirty)
+					return true;
+
+				if (!op->enabled)
+					continue;
+
+				/* to write new values to registers */
+				if (op->info_dirty)
+					return true;
+
+				/* to set GO bit */
+				if (op->shadow_info_dirty)
+					return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+static bool need_go(struct omap_overlay_manager *mgr)
+{
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+	struct ovl_priv_data *op;
+
+	mp = get_mgr_priv(mgr);
+
+	if (mp->shadow_info_dirty)
+		return true;
+
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+		if (op->shadow_info_dirty || op->shadow_extra_info_dirty)
+			return true;
+	}
+
+	return false;
+}
+
+/* returns true if an extra_info field is currently being updated */
+static bool extra_info_update_ongoing(void)
+{
+	const int num_ovls = omap_dss_get_num_overlays();
+	struct ovl_priv_data *op;
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+	int i;
+
+	for (i = 0; i < num_ovls; ++i) {
+		ovl = omap_dss_get_overlay(i);
+		op = get_ovl_priv(ovl);
+
+		if (!ovl->manager)
+			continue;
+
+		mp = get_mgr_priv(ovl->manager);
+
+		if (!mp->enabled)
+			continue;
+
+		if (!mp->updating)
+			continue;
+
+		if (op->extra_info_dirty || op->shadow_extra_info_dirty)
+			return true;
+	}
+
+	return false;
+}
+
+/* wait until no extra_info updates are pending */
+static void wait_pending_extra_info_updates(void)
+{
+	bool updating;
+	unsigned long flags;
+	unsigned long t;
+	int r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	updating = extra_info_update_ongoing();
+
+	if (!updating) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		return;
+	}
+
+	init_completion(&extra_updated_completion);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	t = msecs_to_jiffies(500);
+	r = wait_for_completion_timeout(&extra_updated_completion, t);
+	if (r == 0)
+		DSSWARN("timeout in wait_pending_extra_info_updates\n");
+	else if (r < 0)
+		DSSERR("wait_pending_extra_info_updates failed: %d\n", r);
+}
+
+int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	struct mgr_priv_data *mp;
+	u32 irq;
+	int r;
+	int i;
+	struct omap_dss_device *dssdev = mgr->device;
+
+	if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	if (mgr_manual_update(mgr))
+		return 0;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	irq = dispc_mgr_get_vsync_irq(mgr->id);
+
+	mp = get_mgr_priv(mgr);
+	i = 0;
+	while (1) {
+		unsigned long flags;
+		bool shadow_dirty, dirty;
+
+		spin_lock_irqsave(&data_lock, flags);
+		dirty = mp->info_dirty;
+		shadow_dirty = mp->shadow_info_dirty;
+		spin_unlock_irqrestore(&data_lock, flags);
+
+		if (!dirty && !shadow_dirty) {
+			r = 0;
+			break;
+		}
+
+		/* 4 iterations is the worst case:
+		 * 1 - initial iteration, dirty = true (between VFP and VSYNC)
+		 * 2 - first VSYNC, dirty = true
+		 * 3 - dirty = false, shadow_dirty = true
+		 * 4 - shadow_dirty = false */
+		if (i++ == 3) {
+			DSSERR("mgr(%d)->wait_for_go() not finishing\n",
+					mgr->id);
+			r = 0;
+			break;
+		}
+
+		r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+		if (r == -ERESTARTSYS)
+			break;
+
+		if (r) {
+			DSSERR("mgr(%d)->wait_for_go() timeout\n", mgr->id);
+			break;
+		}
+	}
+
+	dispc_runtime_put();
+
+	return r;
+}
+
+int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	struct ovl_priv_data *op;
+	struct omap_dss_device *dssdev;
+	u32 irq;
+	int r;
+	int i;
+
+	if (!ovl->manager)
+		return 0;
+
+	dssdev = ovl->manager->device;
+
+	if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	if (ovl_manual_update(ovl))
+		return 0;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	irq = dispc_mgr_get_vsync_irq(ovl->manager->id);
+
+	op = get_ovl_priv(ovl);
+	i = 0;
+	while (1) {
+		unsigned long flags;
+		bool shadow_dirty, dirty;
+
+		spin_lock_irqsave(&data_lock, flags);
+		dirty = op->info_dirty;
+		shadow_dirty = op->shadow_info_dirty;
+		spin_unlock_irqrestore(&data_lock, flags);
+
+		if (!dirty && !shadow_dirty) {
+			r = 0;
+			break;
+		}
+
+		/* 4 iterations is the worst case:
+		 * 1 - initial iteration, dirty = true (between VFP and VSYNC)
+		 * 2 - first VSYNC, dirty = true
+		 * 3 - dirty = false, shadow_dirty = true
+		 * 4 - shadow_dirty = false */
+		if (i++ == 3) {
+			DSSERR("ovl(%d)->wait_for_go() not finishing\n",
+					ovl->id);
+			r = 0;
+			break;
+		}
+
+		r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+		if (r == -ERESTARTSYS)
+			break;
+
+		if (r) {
+			DSSERR("ovl(%d)->wait_for_go() timeout\n", ovl->id);
+			break;
+		}
+	}
+
+	dispc_runtime_put();
+
+	return r;
+}
+
+static void dss_ovl_write_regs(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	struct omap_overlay_info *oi;
+	bool ilace, replication;
+	struct mgr_priv_data *mp;
+	int r;
+
+	DSSDBGF("%d", ovl->id);
+
+	if (!op->enabled || !op->info_dirty)
+		return;
+
+	oi = &op->info;
+
+	replication = dss_use_replication(ovl->manager->device, oi->color_mode);
+
+	ilace = ovl->manager->device->type == OMAP_DISPLAY_TYPE_VENC;
+
+	r = dispc_ovl_setup(ovl->id, oi, ilace, replication);
+	if (r) {
+		/*
+		 * We can't do much here, as this function can be called from
+		 * vsync interrupt.
+		 */
+		DSSERR("dispc_ovl_setup failed for ovl %d\n", ovl->id);
+
+		/* This will leave fifo configurations in a nonoptimal state */
+		op->enabled = false;
+		dispc_ovl_enable(ovl->id, false);
+		return;
+	}
+
+	mp = get_mgr_priv(ovl->manager);
+
+	op->info_dirty = false;
+	if (mp->updating)
+		op->shadow_info_dirty = true;
+}
+
+static void dss_ovl_write_regs_extra(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	struct mgr_priv_data *mp;
+
+	DSSDBGF("%d", ovl->id);
+
+	if (!op->extra_info_dirty)
+		return;
+
+	/* note: write also when op->enabled == false, so that the ovl gets
+	 * disabled */
+
+	dispc_ovl_enable(ovl->id, op->enabled);
+	dispc_ovl_set_channel_out(ovl->id, op->channel);
+	dispc_ovl_set_fifo_threshold(ovl->id, op->fifo_low, op->fifo_high);
+
+	mp = get_mgr_priv(ovl->manager);
+
+	op->extra_info_dirty = false;
+	if (mp->updating)
+		op->shadow_extra_info_dirty = true;
+}
+
+static void dss_mgr_write_regs(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	struct omap_overlay *ovl;
+
+	DSSDBGF("%d", mgr->id);
+
+	if (!mp->enabled)
+		return;
+
+	WARN_ON(mp->busy);
+
+	/* Commit overlay settings */
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		dss_ovl_write_regs(ovl);
+		dss_ovl_write_regs_extra(ovl);
+	}
+
+	if (mp->info_dirty) {
+		dispc_mgr_setup(mgr->id, &mp->info);
+
+		mp->info_dirty = false;
+		if (mp->updating)
+			mp->shadow_info_dirty = true;
+	}
+}
+
+static void dss_write_regs_common(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	int i;
+
+	if (!dss_data.fifo_merge_dirty)
+		return;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (mp->enabled) {
+			if (dss_data.fifo_merge_dirty) {
+				dispc_enable_fifomerge(dss_data.fifo_merge);
+				dss_data.fifo_merge_dirty = false;
+			}
+
+			if (mp->updating)
+				mp->shadow_info_dirty = true;
+		}
+	}
+}
+
+static void dss_write_regs(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	int i;
+
+	dss_write_regs_common();
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+		int r;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled || mgr_manual_update(mgr) || mp->busy)
+			continue;
+
+		r = dss_check_settings(mgr, mgr->device);
+		if (r) {
+			DSSERR("cannot write registers for manager %s: "
+					"illegal configuration\n", mgr->name);
+			continue;
+		}
+
+		dss_mgr_write_regs(mgr);
+	}
+}
+
+static void dss_set_go_bits(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled || mgr_manual_update(mgr) || mp->busy)
+			continue;
+
+		if (!need_go(mgr))
+			continue;
+
+		mp->busy = true;
+
+		if (!dss_data.irq_enabled && need_isr())
+			dss_register_vsync_isr();
+
+		dispc_mgr_go(mgr->id);
+	}
+
+}
+
+static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr)
+{
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+	struct ovl_priv_data *op;
+
+	mp = get_mgr_priv(mgr);
+	mp->shadow_info_dirty = false;
+
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+		op->shadow_info_dirty = false;
+		op->shadow_extra_info_dirty = false;
+	}
+}
+
+void dss_mgr_start_update(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	WARN_ON(mp->updating);
+
+	r = dss_check_settings(mgr, mgr->device);
+	if (r) {
+		DSSERR("cannot start manual update: illegal configuration\n");
+		spin_unlock_irqrestore(&data_lock, flags);
+		return;
+	}
+
+	dss_mgr_write_regs(mgr);
+
+	dss_write_regs_common();
+
+	mp->updating = true;
+
+	if (!dss_data.irq_enabled && need_isr())
+		dss_register_vsync_isr();
+
+	dispc_mgr_enable(mgr->id, true);
+
+	mgr_clear_shadow_dirty(mgr);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+static void dss_apply_irq_handler(void *data, u32 mask);
+
+static void dss_register_vsync_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	u32 mask;
+	int r, i;
+
+	mask = 0;
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_vsync_irq(i);
+
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_framedone_irq(i);
+
+	r = omap_dispc_register_isr(dss_apply_irq_handler, NULL, mask);
+	WARN_ON(r);
+
+	dss_data.irq_enabled = true;
+}
+
+static void dss_unregister_vsync_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	u32 mask;
+	int r, i;
+
+	mask = 0;
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_vsync_irq(i);
+
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_framedone_irq(i);
+
+	r = omap_dispc_unregister_isr(dss_apply_irq_handler, NULL, mask);
+	WARN_ON(r);
+
+	dss_data.irq_enabled = false;
+}
+
+static void dss_apply_irq_handler(void *data, u32 mask)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	int i;
+	bool extra_updating;
+
+	spin_lock(&data_lock);
+
+	/* clear busy, updating flags, shadow_dirty flags */
+	for (i = 0; i < num_mgrs; i++) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+		bool was_updating;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		was_updating = mp->updating;
+		mp->updating = dispc_mgr_is_enabled(i);
+
+		if (!mgr_manual_update(mgr)) {
+			bool was_busy = mp->busy;
+			mp->busy = dispc_mgr_go_busy(i);
+
+			if (was_busy && !mp->busy)
+				mgr_clear_shadow_dirty(mgr);
+		}
+	}
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	extra_updating = extra_info_update_ongoing();
+	if (!extra_updating)
+		complete_all(&extra_updated_completion);
+
+	if (!need_isr())
+		dss_unregister_vsync_isr();
+
+	spin_unlock(&data_lock);
+}
+
+static void omap_dss_mgr_apply_ovl(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op;
+
+	op = get_ovl_priv(ovl);
+
+	if (!op->user_info_dirty)
+		return;
+
+	op->user_info_dirty = false;
+	op->info_dirty = true;
+	op->info = op->user_info;
+}
+
+static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (!mp->user_info_dirty)
+		return;
+
+	mp->user_info_dirty = false;
+	mp->info_dirty = true;
+	mp->info = mp->user_info;
+}
+
+int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
+{
+	unsigned long flags;
+	struct omap_overlay *ovl;
+	int r;
+
+	DSSDBG("omap_dss_mgr_apply(%s)\n", mgr->name);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	r = dss_check_settings_apply(mgr, mgr->device);
+	if (r) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("failed to apply settings: illegal configuration.\n");
+		return r;
+	}
+
+	/* Configure overlays */
+	list_for_each_entry(ovl, &mgr->overlays, list)
+		omap_dss_mgr_apply_ovl(ovl);
+
+	/* Configure manager */
+	omap_dss_mgr_apply_mgr(mgr);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return 0;
+}
+
+static void dss_apply_ovl_enable(struct omap_overlay *ovl, bool enable)
+{
+	struct ovl_priv_data *op;
+
+	op = get_ovl_priv(ovl);
+
+	if (op->enabled == enable)
+		return;
+
+	op->enabled = enable;
+	op->extra_info_dirty = true;
+}
+
+static void dss_apply_ovl_fifo_thresholds(struct omap_overlay *ovl,
+		u32 fifo_low, u32 fifo_high)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+
+	if (op->fifo_low == fifo_low && op->fifo_high == fifo_high)
+		return;
+
+	op->fifo_low = fifo_low;
+	op->fifo_high = fifo_high;
+	op->extra_info_dirty = true;
+}
+
+static void dss_apply_fifo_merge(bool use_fifo_merge)
+{
+	if (dss_data.fifo_merge == use_fifo_merge)
+		return;
+
+	dss_data.fifo_merge = use_fifo_merge;
+	dss_data.fifo_merge_dirty = true;
+}
+
+static void dss_ovl_setup_fifo(struct omap_overlay *ovl,
+		bool use_fifo_merge)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	struct omap_dss_device *dssdev;
+	u32 fifo_low, fifo_high;
+
+	if (!op->enabled && !op->enabling)
+		return;
+
+	dssdev = ovl->manager->device;
+
+	dispc_ovl_compute_fifo_thresholds(ovl->id, &fifo_low, &fifo_high,
+			use_fifo_merge, ovl_manual_update(ovl));
+
+	dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high);
+}
+
+static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr,
+		bool use_fifo_merge)
+{
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (!mp->enabled)
+		return;
+
+	list_for_each_entry(ovl, &mgr->overlays, list)
+		dss_ovl_setup_fifo(ovl, use_fifo_merge);
+}
+
+static void dss_setup_fifos(bool use_fifo_merge)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	struct omap_overlay_manager *mgr;
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		mgr = omap_dss_get_overlay_manager(i);
+		dss_mgr_setup_fifos(mgr, use_fifo_merge);
+	}
+}
+
+static int get_num_used_managers(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	struct omap_overlay_manager *mgr;
+	struct mgr_priv_data *mp;
+	int i;
+	int enabled_mgrs;
+
+	enabled_mgrs = 0;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		enabled_mgrs++;
+	}
+
+	return enabled_mgrs;
+}
+
+static int get_num_used_overlays(void)
+{
+	const int num_ovls = omap_dss_get_num_overlays();
+	struct omap_overlay *ovl;
+	struct ovl_priv_data *op;
+	struct mgr_priv_data *mp;
+	int i;
+	int enabled_ovls;
+
+	enabled_ovls = 0;
+
+	for (i = 0; i < num_ovls; ++i) {
+		ovl = omap_dss_get_overlay(i);
+		op = get_ovl_priv(ovl);
+
+		if (!op->enabled && !op->enabling)
+			continue;
+
+		mp = get_mgr_priv(ovl->manager);
+
+		if (!mp->enabled)
+			continue;
+
+		enabled_ovls++;
+	}
+
+	return enabled_ovls;
+}
+
+static bool get_use_fifo_merge(void)
+{
+	int enabled_mgrs = get_num_used_managers();
+	int enabled_ovls = get_num_used_overlays();
+
+	if (!dss_has_feature(FEAT_FIFO_MERGE))
+		return false;
+
+	/*
+	 * In theory the only requirement for fifomerge is enabled_ovls <= 1.
+	 * However, if we have two managers enabled and set/unset the fifomerge,
+	 * we need to set the GO bits in particular sequence for the managers,
+	 * and wait in between.
+	 *
+	 * This is rather difficult as new apply calls can happen at any time,
+	 * so we simplify the problem by requiring also that enabled_mgrs <= 1.
+	 * In practice this shouldn't matter, because when only one overlay is
+	 * enabled, most likely only one output is enabled.
+	 */
+
+	return enabled_mgrs <= 1 && enabled_ovls <= 1;
+}
+
+int dss_mgr_enable(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	int r;
+	bool fifo_merge;
+
+	mutex_lock(&apply_lock);
+
+	if (mp->enabled)
+		goto out;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	mp->enabled = true;
+
+	r = dss_check_settings(mgr, mgr->device);
+	if (r) {
+		DSSERR("failed to enable manager %d: check_settings failed\n",
+				mgr->id);
+		goto err;
+	}
+
+	/* step 1: setup fifos/fifomerge before enabling the manager */
+
+	fifo_merge = get_use_fifo_merge();
+	dss_setup_fifos(fifo_merge);
+	dss_apply_fifo_merge(fifo_merge);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait until fifo config is in */
+	wait_pending_extra_info_updates();
+
+	/* step 2: enable the manager */
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (!mgr_manual_update(mgr))
+		mp->updating = true;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	if (!mgr_manual_update(mgr))
+		dispc_mgr_enable(mgr->id, true);
+
+out:
+	mutex_unlock(&apply_lock);
+
+	return 0;
+
+err:
+	mp->enabled = false;
+	spin_unlock_irqrestore(&data_lock, flags);
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+void dss_mgr_disable(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	bool fifo_merge;
+
+	mutex_lock(&apply_lock);
+
+	if (!mp->enabled)
+		goto out;
+
+	if (!mgr_manual_update(mgr))
+		dispc_mgr_enable(mgr->id, false);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	mp->updating = false;
+	mp->enabled = false;
+
+	fifo_merge = get_use_fifo_merge();
+	dss_setup_fifos(fifo_merge);
+	dss_apply_fifo_merge(fifo_merge);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	wait_pending_extra_info_updates();
+out:
+	mutex_unlock(&apply_lock);
+}
+
+int dss_mgr_set_info(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	int r;
+
+	r = dss_mgr_simple_check(mgr, info);
+	if (r)
+		return r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	mp->user_info = *info;
+	mp->user_info_dirty = true;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return 0;
+}
+
+void dss_mgr_get_info(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	*info = mp->user_info;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+int dss_mgr_set_device(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev)
+{
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (dssdev->manager) {
+		DSSERR("display '%s' already has a manager '%s'\n",
+			       dssdev->name, dssdev->manager->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	if ((mgr->supported_displays & dssdev->type) == 0) {
+		DSSERR("display '%s' does not support manager '%s'\n",
+			       dssdev->name, mgr->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	dssdev->manager = mgr;
+	mgr->device = dssdev;
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+int dss_mgr_unset_device(struct omap_overlay_manager *mgr)
+{
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (!mgr->device) {
+		DSSERR("failed to unset display, display not set.\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	/*
+	 * Don't allow currently enabled displays to have the overlay manager
+	 * pulled out from underneath them
+	 */
+	if (mgr->device->state != OMAP_DSS_DISPLAY_DISABLED) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	mgr->device->manager = NULL;
+	mgr->device = NULL;
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+
+int dss_ovl_set_info(struct omap_overlay *ovl,
+		struct omap_overlay_info *info)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	r = dss_ovl_simple_check(ovl, info);
+	if (r)
+		return r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	op->user_info = *info;
+	op->user_info_dirty = true;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return 0;
+}
+
+void dss_ovl_get_info(struct omap_overlay *ovl,
+		struct omap_overlay_info *info)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	*info = op->user_info;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+int dss_ovl_set_manager(struct omap_overlay *ovl,
+		struct omap_overlay_manager *mgr)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	if (!mgr)
+		return -EINVAL;
+
+	mutex_lock(&apply_lock);
+
+	if (ovl->manager) {
+		DSSERR("overlay '%s' already has a manager '%s'\n",
+				ovl->name, ovl->manager->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (op->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("overlay has to be disabled to change the manager\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	op->channel = mgr->id;
+	op->extra_info_dirty = true;
+
+	ovl->manager = mgr;
+	list_add_tail(&ovl->list, &mgr->overlays);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* XXX: When there is an overlay on a DSI manual update display, and
+	 * the overlay is first disabled, then moved to tv, and enabled, we
+	 * seem to get SYNC_LOST_DIGIT error.
+	 *
+	 * Waiting doesn't seem to help, but updating the manual update display
+	 * after disabling the overlay seems to fix this. This hints that the
+	 * overlay is perhaps somehow tied to the LCD output until the output
+	 * is updated.
+	 *
+	 * Userspace workaround for this is to update the LCD after disabling
+	 * the overlay, but before moving the overlay to TV.
+	 */
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+int dss_ovl_unset_manager(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (!ovl->manager) {
+		DSSERR("failed to detach overlay: manager not set\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (op->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("overlay has to be disabled to unset the manager\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	op->channel = -1;
+
+	ovl->manager = NULL;
+	list_del(&ovl->list);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+bool dss_ovl_is_enabled(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	bool e;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	e = op->enabled;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return e;
+}
+
+int dss_ovl_enable(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	bool fifo_merge;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (op->enabled) {
+		r = 0;
+		goto err1;
+	}
+
+	if (ovl->manager == NULL || ovl->manager->device == NULL) {
+		r = -EINVAL;
+		goto err1;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	op->enabling = true;
+
+	r = dss_check_settings(ovl->manager, ovl->manager->device);
+	if (r) {
+		DSSERR("failed to enable overlay %d: check_settings failed\n",
+				ovl->id);
+		goto err2;
+	}
+
+	/* step 1: configure fifos/fifomerge for currently enabled ovls */
+
+	fifo_merge = get_use_fifo_merge();
+	dss_setup_fifos(fifo_merge);
+	dss_apply_fifo_merge(fifo_merge);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait for fifo configs to go in */
+	wait_pending_extra_info_updates();
+
+	/* step 2: enable the overlay */
+	spin_lock_irqsave(&data_lock, flags);
+
+	op->enabling = false;
+	dss_apply_ovl_enable(ovl, true);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait for overlay to be enabled */
+	wait_pending_extra_info_updates();
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err2:
+	op->enabling = false;
+	spin_unlock_irqrestore(&data_lock, flags);
+err1:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+int dss_ovl_disable(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	bool fifo_merge;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (!op->enabled) {
+		r = 0;
+		goto err;
+	}
+
+	if (ovl->manager == NULL || ovl->manager->device == NULL) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	/* step 1: disable the overlay */
+	spin_lock_irqsave(&data_lock, flags);
+
+	dss_apply_ovl_enable(ovl, false);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait for the overlay to be disabled */
+	wait_pending_extra_info_updates();
+
+	/* step 2: configure fifos/fifomerge */
+	spin_lock_irqsave(&data_lock, flags);
+
+	fifo_merge = get_use_fifo_merge();
+	dss_setup_fifos(fifo_merge);
+	dss_apply_fifo_merge(fifo_merge);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait for fifo config to go in */
+	wait_pending_extra_info_updates();
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
new file mode 100644
index 00000000..e8a12077
--- /dev/null
+++ b/drivers/video/omap2/dss/core.c
@@ -0,0 +1,609 @@
+/*
+ * linux/drivers/video/omap2/dss/core.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "CORE"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+#include <linux/io.h>
+#include <linux/device.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static struct {
+	struct platform_device *pdev;
+
+	struct regulator *vdds_dsi_reg;
+	struct regulator *vdds_sdi_reg;
+} core;
+
+static char *def_disp_name;
+module_param_named(def_disp, def_disp_name, charp, 0);
+MODULE_PARM_DESC(def_disp, "default display name");
+
+#ifdef DEBUG
+bool dss_debug;
+module_param_named(debug, dss_debug, bool, 0644);
+#endif
+
+static int omap_dss_register_device(struct omap_dss_device *);
+static void omap_dss_unregister_device(struct omap_dss_device *);
+
+/* REGULATORS */
+
+struct regulator *dss_get_vdds_dsi(void)
+{
+	struct regulator *reg;
+
+	if (core.vdds_dsi_reg != NULL)
+		return core.vdds_dsi_reg;
+
+	reg = regulator_get(&core.pdev->dev, "vdds_dsi");
+	if (!IS_ERR(reg))
+		core.vdds_dsi_reg = reg;
+
+	return reg;
+}
+
+struct regulator *dss_get_vdds_sdi(void)
+{
+	struct regulator *reg;
+
+	if (core.vdds_sdi_reg != NULL)
+		return core.vdds_sdi_reg;
+
+	reg = regulator_get(&core.pdev->dev, "vdds_sdi");
+	if (!IS_ERR(reg))
+		core.vdds_sdi_reg = reg;
+
+	return reg;
+}
+
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
+static int dss_debug_show(struct seq_file *s, void *unused)
+{
+	void (*func)(struct seq_file *) = s->private;
+	func(s);
+	return 0;
+}
+
+static int dss_debug_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, dss_debug_show, inode->i_private);
+}
+
+static const struct file_operations dss_debug_fops = {
+	.open           = dss_debug_open,
+	.read           = seq_read,
+	.llseek         = seq_lseek,
+	.release        = single_release,
+};
+
+static struct dentry *dss_debugfs_dir;
+
+static int dss_initialize_debugfs(void)
+{
+	dss_debugfs_dir = debugfs_create_dir("omapdss", NULL);
+	if (IS_ERR(dss_debugfs_dir)) {
+		int err = PTR_ERR(dss_debugfs_dir);
+		dss_debugfs_dir = NULL;
+		return err;
+	}
+
+	debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir,
+			&dss_debug_dump_clocks, &dss_debug_fops);
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	debugfs_create_file("dispc_irq", S_IRUGO, dss_debugfs_dir,
+			&dispc_dump_irqs, &dss_debug_fops);
+#endif
+
+#if defined(CONFIG_OMAP2_DSS_DSI) && defined(CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS)
+	dsi_create_debugfs_files_irq(dss_debugfs_dir, &dss_debug_fops);
+#endif
+
+	debugfs_create_file("dss", S_IRUGO, dss_debugfs_dir,
+			&dss_dump_regs, &dss_debug_fops);
+	debugfs_create_file("dispc", S_IRUGO, dss_debugfs_dir,
+			&dispc_dump_regs, &dss_debug_fops);
+#ifdef CONFIG_OMAP2_DSS_RFBI
+	debugfs_create_file("rfbi", S_IRUGO, dss_debugfs_dir,
+			&rfbi_dump_regs, &dss_debug_fops);
+#endif
+#ifdef CONFIG_OMAP2_DSS_DSI
+	dsi_create_debugfs_files_reg(dss_debugfs_dir, &dss_debug_fops);
+#endif
+#ifdef CONFIG_OMAP2_DSS_VENC
+	debugfs_create_file("venc", S_IRUGO, dss_debugfs_dir,
+			&venc_dump_regs, &dss_debug_fops);
+#endif
+#ifdef CONFIG_OMAP4_DSS_HDMI
+	debugfs_create_file("hdmi", S_IRUGO, dss_debugfs_dir,
+			&hdmi_dump_regs, &dss_debug_fops);
+#endif
+	return 0;
+}
+
+static void dss_uninitialize_debugfs(void)
+{
+	if (dss_debugfs_dir)
+		debugfs_remove_recursive(dss_debugfs_dir);
+}
+#else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
+static inline int dss_initialize_debugfs(void)
+{
+	return 0;
+}
+static inline void dss_uninitialize_debugfs(void)
+{
+}
+#endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
+
+/* PLATFORM DEVICE */
+static int omap_dss_probe(struct platform_device *pdev)
+{
+	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
+	int r;
+	int i;
+
+	core.pdev = pdev;
+
+	dss_features_init();
+
+	dss_apply_init();
+
+	dss_init_overlay_managers(pdev);
+	dss_init_overlays(pdev);
+
+	r = dss_initialize_debugfs();
+	if (r)
+		goto err_debugfs;
+
+	for (i = 0; i < pdata->num_devices; ++i) {
+		struct omap_dss_device *dssdev = pdata->devices[i];
+
+		r = omap_dss_register_device(dssdev);
+		if (r) {
+			DSSERR("device %d %s register failed %d\n", i,
+				dssdev->name ?: "unnamed", r);
+
+			while (--i >= 0)
+				omap_dss_unregister_device(pdata->devices[i]);
+
+			goto err_register;
+		}
+
+		if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
+			pdata->default_device = dssdev;
+	}
+
+	return 0;
+
+err_register:
+	dss_uninitialize_debugfs();
+err_debugfs:
+
+	return r;
+}
+
+static int omap_dss_remove(struct platform_device *pdev)
+{
+	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
+	int i;
+
+	dss_uninitialize_debugfs();
+
+	dss_uninit_overlays(pdev);
+	dss_uninit_overlay_managers(pdev);
+
+	for (i = 0; i < pdata->num_devices; ++i)
+		omap_dss_unregister_device(pdata->devices[i]);
+
+	return 0;
+}
+
+static void omap_dss_shutdown(struct platform_device *pdev)
+{
+	DSSDBG("shutdown\n");
+	dss_disable_all_devices();
+}
+
+static int omap_dss_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	DSSDBG("suspend %d\n", state.event);
+
+	return dss_suspend_all_devices();
+}
+
+static int omap_dss_resume(struct platform_device *pdev)
+{
+	DSSDBG("resume\n");
+
+	return dss_resume_all_devices();
+}
+
+static struct platform_driver omap_dss_driver = {
+	.probe          = omap_dss_probe,
+	.remove         = omap_dss_remove,
+	.shutdown	= omap_dss_shutdown,
+	.suspend	= omap_dss_suspend,
+	.resume		= omap_dss_resume,
+	.driver         = {
+		.name   = "omapdss",
+		.owner  = THIS_MODULE,
+	},
+};
+
+/* BUS */
+static int dss_bus_match(struct device *dev, struct device_driver *driver)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+
+	DSSDBG("bus_match. dev %s/%s, drv %s\n",
+			dev_name(dev), dssdev->driver_name, driver->name);
+
+	return strcmp(dssdev->driver_name, driver->name) == 0;
+}
+
+static ssize_t device_name_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			dssdev->name ?
+			dssdev->name : "");
+}
+
+static struct device_attribute default_dev_attrs[] = {
+	__ATTR(name, S_IRUGO, device_name_show, NULL),
+	__ATTR_NULL,
+};
+
+static ssize_t driver_name_show(struct device_driver *drv, char *buf)
+{
+	struct omap_dss_driver *dssdrv = to_dss_driver(drv);
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			dssdrv->driver.name ?
+			dssdrv->driver.name : "");
+}
+static struct driver_attribute default_drv_attrs[] = {
+	__ATTR(name, S_IRUGO, driver_name_show, NULL),
+	__ATTR_NULL,
+};
+
+static struct bus_type dss_bus_type = {
+	.name = "omapdss",
+	.match = dss_bus_match,
+	.dev_attrs = default_dev_attrs,
+	.drv_attrs = default_drv_attrs,
+};
+
+static void dss_bus_release(struct device *dev)
+{
+	DSSDBG("bus_release\n");
+}
+
+static struct device dss_bus = {
+	.release = dss_bus_release,
+};
+
+struct bus_type *dss_get_bus(void)
+{
+	return &dss_bus_type;
+}
+
+/* DRIVER */
+static int dss_driver_probe(struct device *dev)
+{
+	int r;
+	struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
+	bool force;
+
+	DSSDBG("driver_probe: dev %s/%s, drv %s\n",
+				dev_name(dev), dssdev->driver_name,
+				dssdrv->driver.name);
+
+	dss_init_device(core.pdev, dssdev);
+
+	force = pdata->default_device == dssdev;
+	dss_recheck_connections(dssdev, force);
+
+	r = dssdrv->probe(dssdev);
+
+	if (r) {
+		DSSERR("driver probe failed: %d\n", r);
+		dss_uninit_device(core.pdev, dssdev);
+		return r;
+	}
+
+	DSSDBG("probe done for device %s\n", dev_name(dev));
+
+	dssdev->driver = dssdrv;
+
+	return 0;
+}
+
+static int dss_driver_remove(struct device *dev)
+{
+	struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+
+	DSSDBG("driver_remove: dev %s/%s\n", dev_name(dev),
+			dssdev->driver_name);
+
+	dssdrv->remove(dssdev);
+
+	dss_uninit_device(core.pdev, dssdev);
+
+	dssdev->driver = NULL;
+
+	return 0;
+}
+
+int omap_dss_register_driver(struct omap_dss_driver *dssdriver)
+{
+	dssdriver->driver.bus = &dss_bus_type;
+	dssdriver->driver.probe = dss_driver_probe;
+	dssdriver->driver.remove = dss_driver_remove;
+
+	if (dssdriver->get_resolution == NULL)
+		dssdriver->get_resolution = omapdss_default_get_resolution;
+	if (dssdriver->get_recommended_bpp == NULL)
+		dssdriver->get_recommended_bpp =
+			omapdss_default_get_recommended_bpp;
+
+	return driver_register(&dssdriver->driver);
+}
+EXPORT_SYMBOL(omap_dss_register_driver);
+
+void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver)
+{
+	driver_unregister(&dssdriver->driver);
+}
+EXPORT_SYMBOL(omap_dss_unregister_driver);
+
+/* DEVICE */
+static void reset_device(struct device *dev, int check)
+{
+	u8 *dev_p = (u8 *)dev;
+	u8 *dev_end = dev_p + sizeof(*dev);
+	void *saved_pdata;
+
+	saved_pdata = dev->platform_data;
+	if (check) {
+		/*
+		 * Check if there is any other setting than platform_data
+		 * in struct device; warn that these will be reset by our
+		 * init.
+		 */
+		dev->platform_data = NULL;
+		while (dev_p < dev_end) {
+			if (*dev_p) {
+				WARN("%s: struct device fields will be "
+						"discarded\n",
+				     __func__);
+				break;
+			}
+			dev_p++;
+		}
+	}
+	memset(dev, 0, sizeof(*dev));
+	dev->platform_data = saved_pdata;
+}
+
+
+static void omap_dss_dev_release(struct device *dev)
+{
+	reset_device(dev, 0);
+}
+
+static int omap_dss_register_device(struct omap_dss_device *dssdev)
+{
+	static int dev_num;
+
+	WARN_ON(!dssdev->driver_name);
+
+	reset_device(&dssdev->dev, 1);
+	dssdev->dev.bus = &dss_bus_type;
+	dssdev->dev.parent = &dss_bus;
+	dssdev->dev.release = omap_dss_dev_release;
+	dev_set_name(&dssdev->dev, "display%d", dev_num++);
+	return device_register(&dssdev->dev);
+}
+
+static void omap_dss_unregister_device(struct omap_dss_device *dssdev)
+{
+	device_unregister(&dssdev->dev);
+}
+
+/* BUS */
+static int omap_dss_bus_register(void)
+{
+	int r;
+
+	r = bus_register(&dss_bus_type);
+	if (r) {
+		DSSERR("bus register failed\n");
+		return r;
+	}
+
+	dev_set_name(&dss_bus, "omapdss");
+	r = device_register(&dss_bus);
+	if (r) {
+		DSSERR("bus driver register failed\n");
+		bus_unregister(&dss_bus_type);
+		return r;
+	}
+
+	return 0;
+}
+
+/* INIT */
+
+static int __init omap_dss_register_drivers(void)
+{
+	int r;
+
+	r = platform_driver_register(&omap_dss_driver);
+	if (r)
+		return r;
+
+	r = dss_init_platform_driver();
+	if (r) {
+		DSSERR("Failed to initialize DSS platform driver\n");
+		goto err_dss;
+	}
+
+	r = dispc_init_platform_driver();
+	if (r) {
+		DSSERR("Failed to initialize dispc platform driver\n");
+		goto err_dispc;
+	}
+
+	r = rfbi_init_platform_driver();
+	if (r) {
+		DSSERR("Failed to initialize rfbi platform driver\n");
+		goto err_rfbi;
+	}
+
+	r = venc_init_platform_driver();
+	if (r) {
+		DSSERR("Failed to initialize venc platform driver\n");
+		goto err_venc;
+	}
+
+	r = dsi_init_platform_driver();
+	if (r) {
+		DSSERR("Failed to initialize DSI platform driver\n");
+		goto err_dsi;
+	}
+
+	r = hdmi_init_platform_driver();
+	if (r) {
+		DSSERR("Failed to initialize hdmi\n");
+		goto err_hdmi;
+	}
+
+	return 0;
+
+err_hdmi:
+	dsi_uninit_platform_driver();
+err_dsi:
+	venc_uninit_platform_driver();
+err_venc:
+	rfbi_uninit_platform_driver();
+err_rfbi:
+	dispc_uninit_platform_driver();
+err_dispc:
+	dss_uninit_platform_driver();
+err_dss:
+	platform_driver_unregister(&omap_dss_driver);
+
+	return r;
+}
+
+static void __exit omap_dss_unregister_drivers(void)
+{
+	hdmi_uninit_platform_driver();
+	dsi_uninit_platform_driver();
+	venc_uninit_platform_driver();
+	rfbi_uninit_platform_driver();
+	dispc_uninit_platform_driver();
+	dss_uninit_platform_driver();
+
+	platform_driver_unregister(&omap_dss_driver);
+}
+
+#ifdef CONFIG_OMAP2_DSS_MODULE
+static void omap_dss_bus_unregister(void)
+{
+	device_unregister(&dss_bus);
+
+	bus_unregister(&dss_bus_type);
+}
+
+static int __init omap_dss_init(void)
+{
+	int r;
+
+	r = omap_dss_bus_register();
+	if (r)
+		return r;
+
+	r = omap_dss_register_drivers();
+	if (r) {
+		omap_dss_bus_unregister();
+		return r;
+	}
+
+	return 0;
+}
+
+static void __exit omap_dss_exit(void)
+{
+	if (core.vdds_dsi_reg != NULL) {
+		regulator_put(core.vdds_dsi_reg);
+		core.vdds_dsi_reg = NULL;
+	}
+
+	if (core.vdds_sdi_reg != NULL) {
+		regulator_put(core.vdds_sdi_reg);
+		core.vdds_sdi_reg = NULL;
+	}
+
+	omap_dss_unregister_drivers();
+
+	omap_dss_bus_unregister();
+}
+
+module_init(omap_dss_init);
+module_exit(omap_dss_exit);
+#else
+static int __init omap_dss_init(void)
+{
+	return omap_dss_bus_register();
+}
+
+static int __init omap_dss_init2(void)
+{
+	return omap_dss_register_drivers();
+}
+
+core_initcall(omap_dss_init);
+device_initcall(omap_dss_init2);
+#endif
+
+MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
+MODULE_DESCRIPTION("OMAP2/3 Display Subsystem");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
new file mode 100644
index 00000000..c4d0e445
--- /dev/null
+++ b/drivers/video/omap2/dss/dispc.c
@@ -0,0 +1,3464 @@
+/*
+ * linux/drivers/video/omap2/dss/dispc.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "DISPC"
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/vmalloc.h>
+#include <linux/export.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
+#include <linux/seq_file.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/hardirq.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+
+#include <plat/clock.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+#include "dispc.h"
+
+/* DISPC */
+#define DISPC_SZ_REGS			SZ_4K
+
+#define DISPC_IRQ_MASK_ERROR            (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \
+					 DISPC_IRQ_OCP_ERR | \
+					 DISPC_IRQ_VID1_FIFO_UNDERFLOW | \
+					 DISPC_IRQ_VID2_FIFO_UNDERFLOW | \
+					 DISPC_IRQ_SYNC_LOST | \
+					 DISPC_IRQ_SYNC_LOST_DIGIT)
+
+#define DISPC_MAX_NR_ISRS		8
+
+struct omap_dispc_isr_data {
+	omap_dispc_isr_t	isr;
+	void			*arg;
+	u32			mask;
+};
+
+enum omap_burst_size {
+	BURST_SIZE_X2 = 0,
+	BURST_SIZE_X4 = 1,
+	BURST_SIZE_X8 = 2,
+};
+
+#define REG_GET(idx, start, end) \
+	FLD_GET(dispc_read_reg(idx), start, end)
+
+#define REG_FLD_MOD(idx, val, start, end)				\
+	dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))
+
+struct dispc_irq_stats {
+	unsigned long last_reset;
+	unsigned irq_count;
+	unsigned irqs[32];
+};
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem    *base;
+
+	int		ctx_loss_cnt;
+
+	int irq;
+	struct clk *dss_clk;
+
+	u32	fifo_size[MAX_DSS_OVERLAYS];
+
+	spinlock_t irq_lock;
+	u32 irq_error_mask;
+	struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
+	u32 error_irqs;
+	struct work_struct error_work;
+
+	bool		ctx_valid;
+	u32		ctx[DISPC_SZ_REGS / sizeof(u32)];
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	spinlock_t irq_stats_lock;
+	struct dispc_irq_stats irq_stats;
+#endif
+} dispc;
+
+enum omap_color_component {
+	/* used for all color formats for OMAP3 and earlier
+	 * and for RGB and Y color component on OMAP4
+	 */
+	DISPC_COLOR_COMPONENT_RGB_Y		= 1 << 0,
+	/* used for UV component for
+	 * OMAP_DSS_COLOR_YUV2, OMAP_DSS_COLOR_UYVY, OMAP_DSS_COLOR_NV12
+	 * color formats on OMAP4
+	 */
+	DISPC_COLOR_COMPONENT_UV		= 1 << 1,
+};
+
+static void _omap_dispc_set_irqs(void);
+
+static inline void dispc_write_reg(const u16 idx, u32 val)
+{
+	__raw_writel(val, dispc.base + idx);
+}
+
+static inline u32 dispc_read_reg(const u16 idx)
+{
+	return __raw_readl(dispc.base + idx);
+}
+
+static int dispc_get_ctx_loss_count(void)
+{
+	struct device *dev = &dispc.pdev->dev;
+	struct omap_display_platform_data *pdata = dev->platform_data;
+	struct omap_dss_board_info *board_data = pdata->board_data;
+	int cnt;
+
+	if (!board_data->get_context_loss_count)
+		return -ENOENT;
+
+	cnt = board_data->get_context_loss_count(dev);
+
+	WARN_ONCE(cnt < 0, "get_context_loss_count failed: %d\n", cnt);
+
+	return cnt;
+}
+
+#define SR(reg) \
+	dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg)
+#define RR(reg) \
+	dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)])
+
+static void dispc_save_context(void)
+{
+	int i, j;
+
+	DSSDBG("dispc_save_context\n");
+
+	SR(IRQENABLE);
+	SR(CONTROL);
+	SR(CONFIG);
+	SR(LINE_NUMBER);
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
+			dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		SR(GLOBAL_ALPHA);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		SR(CONTROL2);
+		SR(CONFIG2);
+	}
+
+	for (i = 0; i < dss_feat_get_num_mgrs(); i++) {
+		SR(DEFAULT_COLOR(i));
+		SR(TRANS_COLOR(i));
+		SR(SIZE_MGR(i));
+		if (i == OMAP_DSS_CHANNEL_DIGIT)
+			continue;
+		SR(TIMING_H(i));
+		SR(TIMING_V(i));
+		SR(POL_FREQ(i));
+		SR(DIVISORo(i));
+
+		SR(DATA_CYCLE1(i));
+		SR(DATA_CYCLE2(i));
+		SR(DATA_CYCLE3(i));
+
+		if (dss_has_feature(FEAT_CPR)) {
+			SR(CPR_COEF_R(i));
+			SR(CPR_COEF_G(i));
+			SR(CPR_COEF_B(i));
+		}
+	}
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+		SR(OVL_BA0(i));
+		SR(OVL_BA1(i));
+		SR(OVL_POSITION(i));
+		SR(OVL_SIZE(i));
+		SR(OVL_ATTRIBUTES(i));
+		SR(OVL_FIFO_THRESHOLD(i));
+		SR(OVL_ROW_INC(i));
+		SR(OVL_PIXEL_INC(i));
+		if (dss_has_feature(FEAT_PRELOAD))
+			SR(OVL_PRELOAD(i));
+		if (i == OMAP_DSS_GFX) {
+			SR(OVL_WINDOW_SKIP(i));
+			SR(OVL_TABLE_BA(i));
+			continue;
+		}
+		SR(OVL_FIR(i));
+		SR(OVL_PICTURE_SIZE(i));
+		SR(OVL_ACCU0(i));
+		SR(OVL_ACCU1(i));
+
+		for (j = 0; j < 8; j++)
+			SR(OVL_FIR_COEF_H(i, j));
+
+		for (j = 0; j < 8; j++)
+			SR(OVL_FIR_COEF_HV(i, j));
+
+		for (j = 0; j < 5; j++)
+			SR(OVL_CONV_COEF(i, j));
+
+		if (dss_has_feature(FEAT_FIR_COEF_V)) {
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_V(i, j));
+		}
+
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			SR(OVL_BA0_UV(i));
+			SR(OVL_BA1_UV(i));
+			SR(OVL_FIR2(i));
+			SR(OVL_ACCU2_0(i));
+			SR(OVL_ACCU2_1(i));
+
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_H2(i, j));
+
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_HV2(i, j));
+
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_V2(i, j));
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			SR(OVL_ATTRIBUTES2(i));
+	}
+
+	if (dss_has_feature(FEAT_CORE_CLK_DIV))
+		SR(DIVISOR);
+
+	dispc.ctx_loss_cnt = dispc_get_ctx_loss_count();
+	dispc.ctx_valid = true;
+
+	DSSDBG("context saved, ctx_loss_count %d\n", dispc.ctx_loss_cnt);
+}
+
+static void dispc_restore_context(void)
+{
+	int i, j, ctx;
+
+	DSSDBG("dispc_restore_context\n");
+
+	if (!dispc.ctx_valid)
+		return;
+
+	ctx = dispc_get_ctx_loss_count();
+
+	if (ctx >= 0 && ctx == dispc.ctx_loss_cnt)
+		return;
+
+	DSSDBG("ctx_loss_count: saved %d, current %d\n",
+			dispc.ctx_loss_cnt, ctx);
+
+	/*RR(IRQENABLE);*/
+	/*RR(CONTROL);*/
+	RR(CONFIG);
+	RR(LINE_NUMBER);
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
+			dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		RR(GLOBAL_ALPHA);
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		RR(CONFIG2);
+
+	for (i = 0; i < dss_feat_get_num_mgrs(); i++) {
+		RR(DEFAULT_COLOR(i));
+		RR(TRANS_COLOR(i));
+		RR(SIZE_MGR(i));
+		if (i == OMAP_DSS_CHANNEL_DIGIT)
+			continue;
+		RR(TIMING_H(i));
+		RR(TIMING_V(i));
+		RR(POL_FREQ(i));
+		RR(DIVISORo(i));
+
+		RR(DATA_CYCLE1(i));
+		RR(DATA_CYCLE2(i));
+		RR(DATA_CYCLE3(i));
+
+		if (dss_has_feature(FEAT_CPR)) {
+			RR(CPR_COEF_R(i));
+			RR(CPR_COEF_G(i));
+			RR(CPR_COEF_B(i));
+		}
+	}
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+		RR(OVL_BA0(i));
+		RR(OVL_BA1(i));
+		RR(OVL_POSITION(i));
+		RR(OVL_SIZE(i));
+		RR(OVL_ATTRIBUTES(i));
+		RR(OVL_FIFO_THRESHOLD(i));
+		RR(OVL_ROW_INC(i));
+		RR(OVL_PIXEL_INC(i));
+		if (dss_has_feature(FEAT_PRELOAD))
+			RR(OVL_PRELOAD(i));
+		if (i == OMAP_DSS_GFX) {
+			RR(OVL_WINDOW_SKIP(i));
+			RR(OVL_TABLE_BA(i));
+			continue;
+		}
+		RR(OVL_FIR(i));
+		RR(OVL_PICTURE_SIZE(i));
+		RR(OVL_ACCU0(i));
+		RR(OVL_ACCU1(i));
+
+		for (j = 0; j < 8; j++)
+			RR(OVL_FIR_COEF_H(i, j));
+
+		for (j = 0; j < 8; j++)
+			RR(OVL_FIR_COEF_HV(i, j));
+
+		for (j = 0; j < 5; j++)
+			RR(OVL_CONV_COEF(i, j));
+
+		if (dss_has_feature(FEAT_FIR_COEF_V)) {
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_V(i, j));
+		}
+
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			RR(OVL_BA0_UV(i));
+			RR(OVL_BA1_UV(i));
+			RR(OVL_FIR2(i));
+			RR(OVL_ACCU2_0(i));
+			RR(OVL_ACCU2_1(i));
+
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_H2(i, j));
+
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_HV2(i, j));
+
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_V2(i, j));
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			RR(OVL_ATTRIBUTES2(i));
+	}
+
+	if (dss_has_feature(FEAT_CORE_CLK_DIV))
+		RR(DIVISOR);
+
+	/* enable last, because LCD & DIGIT enable are here */
+	RR(CONTROL);
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		RR(CONTROL2);
+	/* clear spurious SYNC_LOST_DIGIT interrupts */
+	dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
+
+	/*
+	 * enable last so IRQs won't trigger before
+	 * the context is fully restored
+	 */
+	RR(IRQENABLE);
+
+	DSSDBG("context restored\n");
+}
+
+#undef SR
+#undef RR
+
+int dispc_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("dispc_runtime_get\n");
+
+	r = pm_runtime_get_sync(&dispc.pdev->dev);
+	WARN_ON(r < 0);
+	return r < 0 ? r : 0;
+}
+
+void dispc_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("dispc_runtime_put\n");
+
+	r = pm_runtime_put_sync(&dispc.pdev->dev);
+	WARN_ON(r < 0);
+}
+
+static inline bool dispc_mgr_is_lcd(enum omap_channel channel)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD ||
+			channel == OMAP_DSS_CHANNEL_LCD2)
+		return true;
+	else
+		return false;
+}
+
+static struct omap_dss_device *dispc_mgr_get_device(enum omap_channel channel)
+{
+	struct omap_overlay_manager *mgr =
+		omap_dss_get_overlay_manager(channel);
+
+	return mgr ? mgr->device : NULL;
+}
+
+u32 dispc_mgr_get_vsync_irq(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return DISPC_IRQ_VSYNC;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return DISPC_IRQ_VSYNC2;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN;
+	default:
+		BUG();
+	}
+}
+
+u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return DISPC_IRQ_FRAMEDONE;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return DISPC_IRQ_FRAMEDONE2;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0;
+	default:
+		BUG();
+	}
+}
+
+bool dispc_mgr_go_busy(enum omap_channel channel)
+{
+	int bit;
+
+	if (dispc_mgr_is_lcd(channel))
+		bit = 5; /* GOLCD */
+	else
+		bit = 6; /* GODIGIT */
+
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		return REG_GET(DISPC_CONTROL2, bit, bit) == 1;
+	else
+		return REG_GET(DISPC_CONTROL, bit, bit) == 1;
+}
+
+void dispc_mgr_go(enum omap_channel channel)
+{
+	int bit;
+	bool enable_bit, go_bit;
+
+	if (dispc_mgr_is_lcd(channel))
+		bit = 0; /* LCDENABLE */
+	else
+		bit = 1; /* DIGITALENABLE */
+
+	/* if the channel is not enabled, we don't need GO */
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		enable_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1;
+	else
+		enable_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1;
+
+	if (!enable_bit)
+		return;
+
+	if (dispc_mgr_is_lcd(channel))
+		bit = 5; /* GOLCD */
+	else
+		bit = 6; /* GODIGIT */
+
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		go_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1;
+	else
+		go_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1;
+
+	if (go_bit) {
+		DSSERR("GO bit not down for channel %d\n", channel);
+		return;
+	}
+
+	DSSDBG("GO %s\n", channel == OMAP_DSS_CHANNEL_LCD ? "LCD" :
+		(channel == OMAP_DSS_CHANNEL_LCD2 ? "LCD2" : "DIGIT"));
+
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		REG_FLD_MOD(DISPC_CONTROL2, 1, bit, bit);
+	else
+		REG_FLD_MOD(DISPC_CONTROL, 1, bit, bit);
+}
+
+static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value)
+{
+	dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value);
+}
+
+static void dispc_ovl_write_firhv_reg(enum omap_plane plane, int reg, u32 value)
+{
+	dispc_write_reg(DISPC_OVL_FIR_COEF_HV(plane, reg), value);
+}
+
+static void dispc_ovl_write_firv_reg(enum omap_plane plane, int reg, u32 value)
+{
+	dispc_write_reg(DISPC_OVL_FIR_COEF_V(plane, reg), value);
+}
+
+static void dispc_ovl_write_firh2_reg(enum omap_plane plane, int reg, u32 value)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_write_reg(DISPC_OVL_FIR_COEF_H2(plane, reg), value);
+}
+
+static void dispc_ovl_write_firhv2_reg(enum omap_plane plane, int reg,
+		u32 value)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_write_reg(DISPC_OVL_FIR_COEF_HV2(plane, reg), value);
+}
+
+static void dispc_ovl_write_firv2_reg(enum omap_plane plane, int reg, u32 value)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_write_reg(DISPC_OVL_FIR_COEF_V2(plane, reg), value);
+}
+
+static void dispc_ovl_set_scale_coef(enum omap_plane plane, int fir_hinc,
+				int fir_vinc, int five_taps,
+				enum omap_color_component color_comp)
+{
+	const struct dispc_coef *h_coef, *v_coef;
+	int i;
+
+	h_coef = dispc_ovl_get_scale_coef(fir_hinc, true);
+	v_coef = dispc_ovl_get_scale_coef(fir_vinc, five_taps);
+
+	for (i = 0; i < 8; i++) {
+		u32 h, hv;
+
+		h = FLD_VAL(h_coef[i].hc0_vc00, 7, 0)
+			| FLD_VAL(h_coef[i].hc1_vc0, 15, 8)
+			| FLD_VAL(h_coef[i].hc2_vc1, 23, 16)
+			| FLD_VAL(h_coef[i].hc3_vc2, 31, 24);
+		hv = FLD_VAL(h_coef[i].hc4_vc22, 7, 0)
+			| FLD_VAL(v_coef[i].hc1_vc0, 15, 8)
+			| FLD_VAL(v_coef[i].hc2_vc1, 23, 16)
+			| FLD_VAL(v_coef[i].hc3_vc2, 31, 24);
+
+		if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
+			dispc_ovl_write_firh_reg(plane, i, h);
+			dispc_ovl_write_firhv_reg(plane, i, hv);
+		} else {
+			dispc_ovl_write_firh2_reg(plane, i, h);
+			dispc_ovl_write_firhv2_reg(plane, i, hv);
+		}
+
+	}
+
+	if (five_taps) {
+		for (i = 0; i < 8; i++) {
+			u32 v;
+			v = FLD_VAL(v_coef[i].hc0_vc00, 7, 0)
+				| FLD_VAL(v_coef[i].hc4_vc22, 15, 8);
+			if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y)
+				dispc_ovl_write_firv_reg(plane, i, v);
+			else
+				dispc_ovl_write_firv2_reg(plane, i, v);
+		}
+	}
+}
+
+static void _dispc_setup_color_conv_coef(void)
+{
+	int i;
+	const struct color_conv_coef {
+		int  ry,  rcr,  rcb,   gy,  gcr,  gcb,   by,  bcr,  bcb;
+		int  full_range;
+	}  ctbl_bt601_5 = {
+		298,  409,    0,  298, -208, -100,  298,    0,  517, 0,
+	};
+
+	const struct color_conv_coef *ct;
+
+#define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
+
+	ct = &ctbl_bt601_5;
+
+	for (i = 1; i < dss_feat_get_num_ovls(); i++) {
+		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 0),
+			CVAL(ct->rcr, ct->ry));
+		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 1),
+			CVAL(ct->gy,  ct->rcb));
+		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 2),
+			CVAL(ct->gcb, ct->gcr));
+		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 3),
+			CVAL(ct->bcr, ct->by));
+		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 4),
+			CVAL(0, ct->bcb));
+
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), ct->full_range,
+			11, 11);
+	}
+
+#undef CVAL
+}
+
+
+static void dispc_ovl_set_ba0(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA0(plane), paddr);
+}
+
+static void dispc_ovl_set_ba1(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA1(plane), paddr);
+}
+
+static void dispc_ovl_set_ba0_uv(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA0_UV(plane), paddr);
+}
+
+static void dispc_ovl_set_ba1_uv(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA1_UV(plane), paddr);
+}
+
+static void dispc_ovl_set_pos(enum omap_plane plane, int x, int y)
+{
+	u32 val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0);
+
+	dispc_write_reg(DISPC_OVL_POSITION(plane), val);
+}
+
+static void dispc_ovl_set_pic_size(enum omap_plane plane, int width, int height)
+{
+	u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
+
+	if (plane == OMAP_DSS_GFX)
+		dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+	else
+		dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
+}
+
+static void dispc_ovl_set_vid_size(enum omap_plane plane, int width, int height)
+{
+	u32 val;
+
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
+
+	dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+}
+
+static void dispc_ovl_set_zorder(enum omap_plane plane, u8 zorder)
+{
+	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
+		return;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), zorder, 27, 26);
+}
+
+static void dispc_ovl_enable_zorder_planes(void)
+{
+	int i;
+
+	if (!dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		return;
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++)
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), 1, 25, 25);
+}
+
+static void dispc_ovl_set_pre_mult_alpha(enum omap_plane plane, bool enable)
+{
+	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
+		return;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28);
+}
+
+static void dispc_ovl_setup_global_alpha(enum omap_plane plane, u8 global_alpha)
+{
+	static const unsigned shifts[] = { 0, 8, 16, 24, };
+	int shift;
+	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
+		return;
+
+	shift = shifts[plane];
+	REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift);
+}
+
+static void dispc_ovl_set_pix_inc(enum omap_plane plane, s32 inc)
+{
+	dispc_write_reg(DISPC_OVL_PIXEL_INC(plane), inc);
+}
+
+static void dispc_ovl_set_row_inc(enum omap_plane plane, s32 inc)
+{
+	dispc_write_reg(DISPC_OVL_ROW_INC(plane), inc);
+}
+
+static void dispc_ovl_set_color_mode(enum omap_plane plane,
+		enum omap_color_mode color_mode)
+{
+	u32 m = 0;
+	if (plane != OMAP_DSS_GFX) {
+		switch (color_mode) {
+		case OMAP_DSS_COLOR_NV12:
+			m = 0x0; break;
+		case OMAP_DSS_COLOR_RGBX16:
+			m = 0x1; break;
+		case OMAP_DSS_COLOR_RGBA16:
+			m = 0x2; break;
+		case OMAP_DSS_COLOR_RGB12U:
+			m = 0x4; break;
+		case OMAP_DSS_COLOR_ARGB16:
+			m = 0x5; break;
+		case OMAP_DSS_COLOR_RGB16:
+			m = 0x6; break;
+		case OMAP_DSS_COLOR_ARGB16_1555:
+			m = 0x7; break;
+		case OMAP_DSS_COLOR_RGB24U:
+			m = 0x8; break;
+		case OMAP_DSS_COLOR_RGB24P:
+			m = 0x9; break;
+		case OMAP_DSS_COLOR_YUV2:
+			m = 0xa; break;
+		case OMAP_DSS_COLOR_UYVY:
+			m = 0xb; break;
+		case OMAP_DSS_COLOR_ARGB32:
+			m = 0xc; break;
+		case OMAP_DSS_COLOR_RGBA32:
+			m = 0xd; break;
+		case OMAP_DSS_COLOR_RGBX32:
+			m = 0xe; break;
+		case OMAP_DSS_COLOR_XRGB16_1555:
+			m = 0xf; break;
+		default:
+			BUG(); break;
+		}
+	} else {
+		switch (color_mode) {
+		case OMAP_DSS_COLOR_CLUT1:
+			m = 0x0; break;
+		case OMAP_DSS_COLOR_CLUT2:
+			m = 0x1; break;
+		case OMAP_DSS_COLOR_CLUT4:
+			m = 0x2; break;
+		case OMAP_DSS_COLOR_CLUT8:
+			m = 0x3; break;
+		case OMAP_DSS_COLOR_RGB12U:
+			m = 0x4; break;
+		case OMAP_DSS_COLOR_ARGB16:
+			m = 0x5; break;
+		case OMAP_DSS_COLOR_RGB16:
+			m = 0x6; break;
+		case OMAP_DSS_COLOR_ARGB16_1555:
+			m = 0x7; break;
+		case OMAP_DSS_COLOR_RGB24U:
+			m = 0x8; break;
+		case OMAP_DSS_COLOR_RGB24P:
+			m = 0x9; break;
+		case OMAP_DSS_COLOR_RGBX16:
+			m = 0xa; break;
+		case OMAP_DSS_COLOR_RGBA16:
+			m = 0xb; break;
+		case OMAP_DSS_COLOR_ARGB32:
+			m = 0xc; break;
+		case OMAP_DSS_COLOR_RGBA32:
+			m = 0xd; break;
+		case OMAP_DSS_COLOR_RGBX32:
+			m = 0xe; break;
+		case OMAP_DSS_COLOR_XRGB16_1555:
+			m = 0xf; break;
+		default:
+			BUG(); break;
+		}
+	}
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
+}
+
+void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
+{
+	int shift;
+	u32 val;
+	int chan = 0, chan2 = 0;
+
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		shift = 8;
+		break;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		shift = 16;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		switch (channel) {
+		case OMAP_DSS_CHANNEL_LCD:
+			chan = 0;
+			chan2 = 0;
+			break;
+		case OMAP_DSS_CHANNEL_DIGIT:
+			chan = 1;
+			chan2 = 0;
+			break;
+		case OMAP_DSS_CHANNEL_LCD2:
+			chan = 0;
+			chan2 = 1;
+			break;
+		default:
+			BUG();
+		}
+
+		val = FLD_MOD(val, chan, shift, shift);
+		val = FLD_MOD(val, chan2, 31, 30);
+	} else {
+		val = FLD_MOD(val, channel, shift, shift);
+	}
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
+}
+
+static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
+{
+	int shift;
+	u32 val;
+	enum omap_channel channel;
+
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		shift = 8;
+		break;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		shift = 16;
+		break;
+	default:
+		BUG();
+	}
+
+	val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		if (FLD_GET(val, 31, 30) == 0)
+			channel = FLD_GET(val, shift, shift);
+		else
+			channel = OMAP_DSS_CHANNEL_LCD2;
+	} else {
+		channel = FLD_GET(val, shift, shift);
+	}
+
+	return channel;
+}
+
+static void dispc_ovl_set_burst_size(enum omap_plane plane,
+		enum omap_burst_size burst_size)
+{
+	static const unsigned shifts[] = { 6, 14, 14, 14, };
+	int shift;
+
+	shift = shifts[plane];
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), burst_size, shift + 1, shift);
+}
+
+static void dispc_configure_burst_sizes(void)
+{
+	int i;
+	const int burst_size = BURST_SIZE_X8;
+
+	/* Configure burst size always to maximum size */
+	for (i = 0; i < omap_dss_get_num_overlays(); ++i)
+		dispc_ovl_set_burst_size(i, burst_size);
+}
+
+static u32 dispc_ovl_get_burst_size(enum omap_plane plane)
+{
+	unsigned unit = dss_feat_get_burst_size_unit();
+	/* burst multiplier is always x8 (see dispc_configure_burst_sizes()) */
+	return unit * 8;
+}
+
+void dispc_enable_gamma_table(bool enable)
+{
+	/*
+	 * This is partially implemented to support only disabling of
+	 * the gamma table.
+	 */
+	if (enable) {
+		DSSWARN("Gamma table enabling for TV not yet supported");
+		return;
+	}
+
+	REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9);
+}
+
+static void dispc_mgr_enable_cpr(enum omap_channel channel, bool enable)
+{
+	u16 reg;
+
+	if (channel == OMAP_DSS_CHANNEL_LCD)
+		reg = DISPC_CONFIG;
+	else if (channel == OMAP_DSS_CHANNEL_LCD2)
+		reg = DISPC_CONFIG2;
+	else
+		return;
+
+	REG_FLD_MOD(reg, enable, 15, 15);
+}
+
+static void dispc_mgr_set_cpr_coef(enum omap_channel channel,
+		struct omap_dss_cpr_coefs *coefs)
+{
+	u32 coef_r, coef_g, coef_b;
+
+	if (!dispc_mgr_is_lcd(channel))
+		return;
+
+	coef_r = FLD_VAL(coefs->rr, 31, 22) | FLD_VAL(coefs->rg, 20, 11) |
+		FLD_VAL(coefs->rb, 9, 0);
+	coef_g = FLD_VAL(coefs->gr, 31, 22) | FLD_VAL(coefs->gg, 20, 11) |
+		FLD_VAL(coefs->gb, 9, 0);
+	coef_b = FLD_VAL(coefs->br, 31, 22) | FLD_VAL(coefs->bg, 20, 11) |
+		FLD_VAL(coefs->bb, 9, 0);
+
+	dispc_write_reg(DISPC_CPR_COEF_R(channel), coef_r);
+	dispc_write_reg(DISPC_CPR_COEF_G(channel), coef_g);
+	dispc_write_reg(DISPC_CPR_COEF_B(channel), coef_b);
+}
+
+static void dispc_ovl_set_vid_color_conv(enum omap_plane plane, bool enable)
+{
+	u32 val;
+
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+	val = FLD_MOD(val, enable, 9, 9);
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
+}
+
+static void dispc_ovl_enable_replication(enum omap_plane plane, bool enable)
+{
+	static const unsigned shifts[] = { 5, 10, 10, 10 };
+	int shift;
+
+	shift = shifts[plane];
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, shift, shift);
+}
+
+void dispc_mgr_set_lcd_size(enum omap_channel channel, u16 width, u16 height)
+{
+	u32 val;
+	BUG_ON((width > (1 << 11)) || (height > (1 << 11)));
+	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
+	dispc_write_reg(DISPC_SIZE_MGR(channel), val);
+}
+
+void dispc_set_digit_size(u16 width, u16 height)
+{
+	u32 val;
+	BUG_ON((width > (1 << 11)) || (height > (1 << 11)));
+	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
+	dispc_write_reg(DISPC_SIZE_MGR(OMAP_DSS_CHANNEL_DIGIT), val);
+}
+
+static void dispc_read_plane_fifo_sizes(void)
+{
+	u32 size;
+	int plane;
+	u8 start, end;
+	u32 unit;
+
+	unit = dss_feat_get_buffer_size_unit();
+
+	dss_feat_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end);
+
+	for (plane = 0; plane < dss_feat_get_num_ovls(); ++plane) {
+		size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(plane), start, end);
+		size *= unit;
+		dispc.fifo_size[plane] = size;
+	}
+}
+
+static u32 dispc_ovl_get_fifo_size(enum omap_plane plane)
+{
+	return dispc.fifo_size[plane];
+}
+
+void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high)
+{
+	u8 hi_start, hi_end, lo_start, lo_end;
+	u32 unit;
+
+	unit = dss_feat_get_buffer_size_unit();
+
+	WARN_ON(low % unit != 0);
+	WARN_ON(high % unit != 0);
+
+	low /= unit;
+	high /= unit;
+
+	dss_feat_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end);
+	dss_feat_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end);
+
+	DSSDBG("fifo(%d) threshold (bytes), old %u/%u, new %u/%u\n",
+			plane,
+			REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane),
+				lo_start, lo_end) * unit,
+			REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane),
+				hi_start, hi_end) * unit,
+			low * unit, high * unit);
+
+	dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane),
+			FLD_VAL(high, hi_start, hi_end) |
+			FLD_VAL(low, lo_start, lo_end));
+}
+
+void dispc_enable_fifomerge(bool enable)
+{
+	if (!dss_has_feature(FEAT_FIFO_MERGE)) {
+		WARN_ON(enable);
+		return;
+	}
+
+	DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled");
+	REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14);
+}
+
+void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
+		u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
+		bool manual_update)
+{
+	/*
+	 * All sizes are in bytes. Both the buffer and burst are made of
+	 * buffer_units, and the fifo thresholds must be buffer_unit aligned.
+	 */
+
+	unsigned buf_unit = dss_feat_get_buffer_size_unit();
+	unsigned ovl_fifo_size, total_fifo_size, burst_size;
+	int i;
+
+	burst_size = dispc_ovl_get_burst_size(plane);
+	ovl_fifo_size = dispc_ovl_get_fifo_size(plane);
+
+	if (use_fifomerge) {
+		total_fifo_size = 0;
+		for (i = 0; i < omap_dss_get_num_overlays(); ++i)
+			total_fifo_size += dispc_ovl_get_fifo_size(i);
+	} else {
+		total_fifo_size = ovl_fifo_size;
+	}
+
+	/*
+	 * We use the same low threshold for both fifomerge and non-fifomerge
+	 * cases, but for fifomerge we calculate the high threshold using the
+	 * combined fifo size
+	 */
+
+	if (manual_update && dss_has_feature(FEAT_OMAP3_DSI_FIFO_BUG)) {
+		*fifo_low = ovl_fifo_size - burst_size * 2;
+		*fifo_high = total_fifo_size - burst_size;
+	} else {
+		*fifo_low = ovl_fifo_size - burst_size;
+		*fifo_high = total_fifo_size - buf_unit;
+	}
+}
+
+static void dispc_ovl_set_fir(enum omap_plane plane,
+				int hinc, int vinc,
+				enum omap_color_component color_comp)
+{
+	u32 val;
+
+	if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
+		u8 hinc_start, hinc_end, vinc_start, vinc_end;
+
+		dss_feat_get_reg_field(FEAT_REG_FIRHINC,
+					&hinc_start, &hinc_end);
+		dss_feat_get_reg_field(FEAT_REG_FIRVINC,
+					&vinc_start, &vinc_end);
+		val = FLD_VAL(vinc, vinc_start, vinc_end) |
+				FLD_VAL(hinc, hinc_start, hinc_end);
+
+		dispc_write_reg(DISPC_OVL_FIR(plane), val);
+	} else {
+		val = FLD_VAL(vinc, 28, 16) | FLD_VAL(hinc, 12, 0);
+		dispc_write_reg(DISPC_OVL_FIR2(plane), val);
+	}
+}
+
+static void dispc_ovl_set_vid_accu0(enum omap_plane plane, int haccu, int vaccu)
+{
+	u32 val;
+	u8 hor_start, hor_end, vert_start, vert_end;
+
+	dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
+	dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+
+	val = FLD_VAL(vaccu, vert_start, vert_end) |
+			FLD_VAL(haccu, hor_start, hor_end);
+
+	dispc_write_reg(DISPC_OVL_ACCU0(plane), val);
+}
+
+static void dispc_ovl_set_vid_accu1(enum omap_plane plane, int haccu, int vaccu)
+{
+	u32 val;
+	u8 hor_start, hor_end, vert_start, vert_end;
+
+	dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
+	dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+
+	val = FLD_VAL(vaccu, vert_start, vert_end) |
+			FLD_VAL(haccu, hor_start, hor_end);
+
+	dispc_write_reg(DISPC_OVL_ACCU1(plane), val);
+}
+
+static void dispc_ovl_set_vid_accu2_0(enum omap_plane plane, int haccu,
+		int vaccu)
+{
+	u32 val;
+
+	val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0);
+	dispc_write_reg(DISPC_OVL_ACCU2_0(plane), val);
+}
+
+static void dispc_ovl_set_vid_accu2_1(enum omap_plane plane, int haccu,
+		int vaccu)
+{
+	u32 val;
+
+	val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0);
+	dispc_write_reg(DISPC_OVL_ACCU2_1(plane), val);
+}
+
+static void dispc_ovl_set_scale_param(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool five_taps, u8 rotation,
+		enum omap_color_component color_comp)
+{
+	int fir_hinc, fir_vinc;
+
+	fir_hinc = 1024 * orig_width / out_width;
+	fir_vinc = 1024 * orig_height / out_height;
+
+	dispc_ovl_set_scale_coef(plane, fir_hinc, fir_vinc, five_taps,
+				color_comp);
+	dispc_ovl_set_fir(plane, fir_hinc, fir_vinc, color_comp);
+}
+
+static void dispc_ovl_set_scaling_common(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool ilace, bool five_taps,
+		bool fieldmode, enum omap_color_mode color_mode,
+		u8 rotation)
+{
+	int accu0 = 0;
+	int accu1 = 0;
+	u32 l;
+
+	dispc_ovl_set_scale_param(plane, orig_width, orig_height,
+				out_width, out_height, five_taps,
+				rotation, DISPC_COLOR_COMPONENT_RGB_Y);
+	l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+
+	/* RESIZEENABLE and VERTICALTAPS */
+	l &= ~((0x3 << 5) | (0x1 << 21));
+	l |= (orig_width != out_width) ? (1 << 5) : 0;
+	l |= (orig_height != out_height) ? (1 << 6) : 0;
+	l |= five_taps ? (1 << 21) : 0;
+
+	/* VRESIZECONF and HRESIZECONF */
+	if (dss_has_feature(FEAT_RESIZECONF)) {
+		l &= ~(0x3 << 7);
+		l |= (orig_width <= out_width) ? 0 : (1 << 7);
+		l |= (orig_height <= out_height) ? 0 : (1 << 8);
+	}
+
+	/* LINEBUFFERSPLIT */
+	if (dss_has_feature(FEAT_LINEBUFFERSPLIT)) {
+		l &= ~(0x1 << 22);
+		l |= five_taps ? (1 << 22) : 0;
+	}
+
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	if (ilace && !fieldmode) {
+		accu1 = 0;
+		accu0 = ((1024 * orig_height / out_height) / 2) & 0x3ff;
+		if (accu0 >= 1024/2) {
+			accu1 = 1024/2;
+			accu0 -= accu1;
+		}
+	}
+
+	dispc_ovl_set_vid_accu0(plane, 0, accu0);
+	dispc_ovl_set_vid_accu1(plane, 0, accu1);
+}
+
+static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool ilace, bool five_taps,
+		bool fieldmode, enum omap_color_mode color_mode,
+		u8 rotation)
+{
+	int scale_x = out_width != orig_width;
+	int scale_y = out_height != orig_height;
+
+	if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE))
+		return;
+	if ((color_mode != OMAP_DSS_COLOR_YUV2 &&
+			color_mode != OMAP_DSS_COLOR_UYVY &&
+			color_mode != OMAP_DSS_COLOR_NV12)) {
+		/* reset chroma resampling for RGB formats  */
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8);
+		return;
+	}
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_NV12:
+		/* UV is subsampled by 2 vertically*/
+		orig_height >>= 1;
+		/* UV is subsampled by 2 horz.*/
+		orig_width >>= 1;
+		break;
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+		/*For YUV422 with 90/270 rotation,
+		 *we don't upsample chroma
+		 */
+		if (rotation == OMAP_DSS_ROT_0 ||
+			rotation == OMAP_DSS_ROT_180)
+			/* UV is subsampled by 2 hrz*/
+			orig_width >>= 1;
+		/* must use FIR for YUV422 if rotated */
+		if (rotation != OMAP_DSS_ROT_0)
+			scale_x = scale_y = true;
+		break;
+	default:
+		BUG();
+	}
+
+	if (out_width != orig_width)
+		scale_x = true;
+	if (out_height != orig_height)
+		scale_y = true;
+
+	dispc_ovl_set_scale_param(plane, orig_width, orig_height,
+			out_width, out_height, five_taps,
+				rotation, DISPC_COLOR_COMPONENT_UV);
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane),
+		(scale_x || scale_y) ? 1 : 0, 8, 8);
+	/* set H scaling */
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5);
+	/* set V scaling */
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_y ? 1 : 0, 6, 6);
+
+	dispc_ovl_set_vid_accu2_0(plane, 0x80, 0);
+	dispc_ovl_set_vid_accu2_1(plane, 0x80, 0);
+}
+
+static void dispc_ovl_set_scaling(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool ilace, bool five_taps,
+		bool fieldmode, enum omap_color_mode color_mode,
+		u8 rotation)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_ovl_set_scaling_common(plane,
+			orig_width, orig_height,
+			out_width, out_height,
+			ilace, five_taps,
+			fieldmode, color_mode,
+			rotation);
+
+	dispc_ovl_set_scaling_uv(plane,
+		orig_width, orig_height,
+		out_width, out_height,
+		ilace, five_taps,
+		fieldmode, color_mode,
+		rotation);
+}
+
+static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation,
+		bool mirroring, enum omap_color_mode color_mode)
+{
+	bool row_repeat = false;
+	int vidrot = 0;
+
+	if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY) {
+
+		if (mirroring) {
+			switch (rotation) {
+			case OMAP_DSS_ROT_0:
+				vidrot = 2;
+				break;
+			case OMAP_DSS_ROT_90:
+				vidrot = 1;
+				break;
+			case OMAP_DSS_ROT_180:
+				vidrot = 0;
+				break;
+			case OMAP_DSS_ROT_270:
+				vidrot = 3;
+				break;
+			}
+		} else {
+			switch (rotation) {
+			case OMAP_DSS_ROT_0:
+				vidrot = 0;
+				break;
+			case OMAP_DSS_ROT_90:
+				vidrot = 1;
+				break;
+			case OMAP_DSS_ROT_180:
+				vidrot = 2;
+				break;
+			case OMAP_DSS_ROT_270:
+				vidrot = 3;
+				break;
+			}
+		}
+
+		if (rotation == OMAP_DSS_ROT_90 || rotation == OMAP_DSS_ROT_270)
+			row_repeat = true;
+		else
+			row_repeat = false;
+	}
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12);
+	if (dss_has_feature(FEAT_ROWREPEATENABLE))
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane),
+			row_repeat ? 1 : 0, 18, 18);
+}
+
+static int color_mode_to_bpp(enum omap_color_mode color_mode)
+{
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+		return 1;
+	case OMAP_DSS_COLOR_CLUT2:
+		return 2;
+	case OMAP_DSS_COLOR_CLUT4:
+		return 4;
+	case OMAP_DSS_COLOR_CLUT8:
+	case OMAP_DSS_COLOR_NV12:
+		return 8;
+	case OMAP_DSS_COLOR_RGB12U:
+	case OMAP_DSS_COLOR_RGB16:
+	case OMAP_DSS_COLOR_ARGB16:
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+	case OMAP_DSS_COLOR_RGBA16:
+	case OMAP_DSS_COLOR_RGBX16:
+	case OMAP_DSS_COLOR_ARGB16_1555:
+	case OMAP_DSS_COLOR_XRGB16_1555:
+		return 16;
+	case OMAP_DSS_COLOR_RGB24P:
+		return 24;
+	case OMAP_DSS_COLOR_RGB24U:
+	case OMAP_DSS_COLOR_ARGB32:
+	case OMAP_DSS_COLOR_RGBA32:
+	case OMAP_DSS_COLOR_RGBX32:
+		return 32;
+	default:
+		BUG();
+	}
+}
+
+static s32 pixinc(int pixels, u8 ps)
+{
+	if (pixels == 1)
+		return 1;
+	else if (pixels > 1)
+		return 1 + (pixels - 1) * ps;
+	else if (pixels < 0)
+		return 1 - (-pixels + 1) * ps;
+	else
+		BUG();
+}
+
+static void calc_vrfb_rotation_offset(u8 rotation, bool mirror,
+		u16 screen_width,
+		u16 width, u16 height,
+		enum omap_color_mode color_mode, bool fieldmode,
+		unsigned int field_offset,
+		unsigned *offset0, unsigned *offset1,
+		s32 *row_inc, s32 *pix_inc)
+{
+	u8 ps;
+
+	/* FIXME CLUT formats */
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+	case OMAP_DSS_COLOR_CLUT2:
+	case OMAP_DSS_COLOR_CLUT4:
+	case OMAP_DSS_COLOR_CLUT8:
+		BUG();
+		return;
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+		ps = 4;
+		break;
+	default:
+		ps = color_mode_to_bpp(color_mode) / 8;
+		break;
+	}
+
+	DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width,
+			width, height);
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	switch (rotation + mirror * 4) {
+	case OMAP_DSS_ROT_0:
+	case OMAP_DSS_ROT_180:
+		/*
+		 * If the pixel format is YUV or UYVY divide the width
+		 * of the image by 2 for 0 and 180 degree rotation.
+		 */
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			width = width >> 1;
+	case OMAP_DSS_ROT_90:
+	case OMAP_DSS_ROT_270:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = field_offset * screen_width * ps;
+		else
+			*offset0 = 0;
+
+		*row_inc = pixinc(1 + (screen_width - width) +
+				(fieldmode ? screen_width : 0),
+				ps);
+		*pix_inc = pixinc(1, ps);
+		break;
+
+	case OMAP_DSS_ROT_0 + 4:
+	case OMAP_DSS_ROT_180 + 4:
+		/* If the pixel format is YUV or UYVY divide the width
+		 * of the image by 2  for 0 degree and 180 degree
+		 */
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			width = width >> 1;
+	case OMAP_DSS_ROT_90 + 4:
+	case OMAP_DSS_ROT_270 + 4:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = field_offset * screen_width * ps;
+		else
+			*offset0 = 0;
+		*row_inc = pixinc(1 - (screen_width + width) -
+				(fieldmode ? screen_width : 0),
+				ps);
+		*pix_inc = pixinc(1, ps);
+		break;
+
+	default:
+		BUG();
+	}
+}
+
+static void calc_dma_rotation_offset(u8 rotation, bool mirror,
+		u16 screen_width,
+		u16 width, u16 height,
+		enum omap_color_mode color_mode, bool fieldmode,
+		unsigned int field_offset,
+		unsigned *offset0, unsigned *offset1,
+		s32 *row_inc, s32 *pix_inc)
+{
+	u8 ps;
+	u16 fbw, fbh;
+
+	/* FIXME CLUT formats */
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+	case OMAP_DSS_COLOR_CLUT2:
+	case OMAP_DSS_COLOR_CLUT4:
+	case OMAP_DSS_COLOR_CLUT8:
+		BUG();
+		return;
+	default:
+		ps = color_mode_to_bpp(color_mode) / 8;
+		break;
+	}
+
+	DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width,
+			width, height);
+
+	/* width & height are overlay sizes, convert to fb sizes */
+
+	if (rotation == OMAP_DSS_ROT_0 || rotation == OMAP_DSS_ROT_180) {
+		fbw = width;
+		fbh = height;
+	} else {
+		fbw = height;
+		fbh = width;
+	}
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	switch (rotation + mirror * 4) {
+	case OMAP_DSS_ROT_0:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(1 + (screen_width - fbw) +
+				(fieldmode ? screen_width : 0),
+				ps);
+		*pix_inc = pixinc(1, ps);
+		break;
+	case OMAP_DSS_ROT_90:
+		*offset1 = screen_width * (fbh - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(screen_width * (fbh - 1) + 1 +
+				(fieldmode ? 1 : 0), ps);
+		*pix_inc = pixinc(-screen_width, ps);
+		break;
+	case OMAP_DSS_ROT_180:
+		*offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(-1 -
+				(screen_width - fbw) -
+				(fieldmode ? screen_width : 0),
+				ps);
+		*pix_inc = pixinc(-1, ps);
+		break;
+	case OMAP_DSS_ROT_270:
+		*offset1 = (fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(-screen_width * (fbh - 1) - 1 -
+				(fieldmode ? 1 : 0), ps);
+		*pix_inc = pixinc(screen_width, ps);
+		break;
+
+	/* mirroring */
+	case OMAP_DSS_ROT_0 + 4:
+		*offset1 = (fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(screen_width * 2 - 1 +
+				(fieldmode ? screen_width : 0),
+				ps);
+		*pix_inc = pixinc(-1, ps);
+		break;
+
+	case OMAP_DSS_ROT_90 + 4:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(-screen_width * (fbh - 1) + 1 +
+				(fieldmode ? 1 : 0),
+				ps);
+		*pix_inc = pixinc(screen_width, ps);
+		break;
+
+	case OMAP_DSS_ROT_180 + 4:
+		*offset1 = screen_width * (fbh - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(1 - screen_width * 2 -
+				(fieldmode ? screen_width : 0),
+				ps);
+		*pix_inc = pixinc(1, ps);
+		break;
+
+	case OMAP_DSS_ROT_270 + 4:
+		*offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(screen_width * (fbh - 1) - 1 -
+				(fieldmode ? 1 : 0),
+				ps);
+		*pix_inc = pixinc(-screen_width, ps);
+		break;
+
+	default:
+		BUG();
+	}
+}
+
+static unsigned long calc_fclk_five_taps(enum omap_channel channel, u16 width,
+		u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode)
+{
+	u32 fclk = 0;
+	u64 tmp, pclk = dispc_mgr_pclk_rate(channel);
+
+	if (height <= out_height && width <= out_width)
+		return (unsigned long) pclk;
+
+	if (height > out_height) {
+		struct omap_dss_device *dssdev = dispc_mgr_get_device(channel);
+		unsigned int ppl = dssdev->panel.timings.x_res;
+
+		tmp = pclk * height * out_width;
+		do_div(tmp, 2 * out_height * ppl);
+		fclk = tmp;
+
+		if (height > 2 * out_height) {
+			if (ppl == out_width)
+				return 0;
+
+			tmp = pclk * (height - 2 * out_height) * out_width;
+			do_div(tmp, 2 * out_height * (ppl - out_width));
+			fclk = max(fclk, (u32) tmp);
+		}
+	}
+
+	if (width > out_width) {
+		tmp = pclk * width;
+		do_div(tmp, out_width);
+		fclk = max(fclk, (u32) tmp);
+
+		if (color_mode == OMAP_DSS_COLOR_RGB24U)
+			fclk <<= 1;
+	}
+
+	return fclk;
+}
+
+static unsigned long calc_fclk(enum omap_channel channel, u16 width,
+		u16 height, u16 out_width, u16 out_height)
+{
+	unsigned int hf, vf;
+	unsigned long pclk = dispc_mgr_pclk_rate(channel);
+
+	/*
+	 * FIXME how to determine the 'A' factor
+	 * for the no downscaling case ?
+	 */
+
+	if (width > 3 * out_width)
+		hf = 4;
+	else if (width > 2 * out_width)
+		hf = 3;
+	else if (width > out_width)
+		hf = 2;
+	else
+		hf = 1;
+
+	if (height > out_height)
+		vf = 2;
+	else
+		vf = 1;
+
+	if (cpu_is_omap24xx()) {
+		if (vf > 1 && hf > 1)
+			return pclk * 4;
+		else
+			return pclk * 2;
+	} else if (cpu_is_omap34xx()) {
+		return pclk * vf * hf;
+	} else {
+		if (hf > 1)
+			return DIV_ROUND_UP(pclk, out_width) * width;
+		else
+			return pclk;
+	}
+}
+
+static int dispc_ovl_calc_scaling(enum omap_plane plane,
+		enum omap_channel channel, u16 width, u16 height,
+		u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps)
+{
+	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
+	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
+	const int maxsinglelinewidth =
+				dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+	unsigned long fclk = 0;
+
+	if (width == out_width && height == out_height)
+		return 0;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
+		return -EINVAL;
+
+	if (out_width < width / maxdownscale ||
+			out_width > width * 8)
+		return -EINVAL;
+
+	if (out_height < height / maxdownscale ||
+			out_height > height * 8)
+		return -EINVAL;
+
+	if (cpu_is_omap24xx()) {
+		if (width > maxsinglelinewidth)
+			DSSERR("Cannot scale max input width exceeded");
+		*five_taps = false;
+		fclk = calc_fclk(channel, width, height, out_width,
+								out_height);
+	} else if (cpu_is_omap34xx()) {
+		if (width > (maxsinglelinewidth * 2)) {
+			DSSERR("Cannot setup scaling");
+			DSSERR("width exceeds maximum width possible");
+			return -EINVAL;
+		}
+		fclk = calc_fclk_five_taps(channel, width, height, out_width,
+						out_height, color_mode);
+		if (width > maxsinglelinewidth) {
+			if (height > out_height && height < out_height * 2)
+				*five_taps = false;
+			else {
+				DSSERR("cannot setup scaling with five taps");
+				return -EINVAL;
+			}
+		}
+		if (!*five_taps)
+			fclk = calc_fclk(channel, width, height, out_width,
+					out_height);
+	} else {
+		if (width > maxsinglelinewidth) {
+			DSSERR("Cannot scale width exceeds max line width");
+			return -EINVAL;
+		}
+		fclk = calc_fclk(channel, width, height, out_width,
+				out_height);
+	}
+
+	DSSDBG("required fclk rate = %lu Hz\n", fclk);
+	DSSDBG("current fclk rate = %lu Hz\n", dispc_fclk_rate());
+
+	if (!fclk || fclk > dispc_fclk_rate()) {
+		DSSERR("failed to set up scaling, "
+			"required fclk rate = %lu Hz, "
+			"current fclk rate = %lu Hz\n",
+			fclk, dispc_fclk_rate());
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
+		bool ilace, bool replication)
+{
+	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
+	bool five_taps = true;
+	bool fieldmode = 0;
+	int r, cconv = 0;
+	unsigned offset0, offset1;
+	s32 row_inc;
+	s32 pix_inc;
+	u16 frame_height = oi->height;
+	unsigned int field_offset = 0;
+	u16 outw, outh;
+	enum omap_channel channel;
+
+	channel = dispc_ovl_get_channel_out(plane);
+
+	DSSDBG("dispc_ovl_setup %d, pa %x, pa_uv %x, sw %d, %d,%d, %dx%d -> "
+		"%dx%d, cmode %x, rot %d, mir %d, ilace %d chan %d repl %d\n",
+		plane, oi->paddr, oi->p_uv_addr,
+		oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
+		oi->out_width, oi->out_height, oi->color_mode, oi->rotation,
+		oi->mirror, ilace, channel, replication);
+
+	if (oi->paddr == 0)
+		return -EINVAL;
+
+	outw = oi->out_width == 0 ? oi->width : oi->out_width;
+	outh = oi->out_height == 0 ? oi->height : oi->out_height;
+
+	if (ilace && oi->height == outh)
+		fieldmode = 1;
+
+	if (ilace) {
+		if (fieldmode)
+			oi->height /= 2;
+		oi->pos_y /= 2;
+		outh /= 2;
+
+		DSSDBG("adjusting for ilace: height %d, pos_y %d, "
+				"out_height %d\n",
+				oi->height, oi->pos_y, outh);
+	}
+
+	if (!dss_feat_color_mode_supported(plane, oi->color_mode))
+		return -EINVAL;
+
+	r = dispc_ovl_calc_scaling(plane, channel, oi->width, oi->height,
+			outw, outh, oi->color_mode,
+			&five_taps);
+	if (r)
+		return r;
+
+	if (oi->color_mode == OMAP_DSS_COLOR_YUV2 ||
+			oi->color_mode == OMAP_DSS_COLOR_UYVY ||
+			oi->color_mode == OMAP_DSS_COLOR_NV12)
+		cconv = 1;
+
+	if (ilace && !fieldmode) {
+		/*
+		 * when downscaling the bottom field may have to start several
+		 * source lines below the top field. Unfortunately ACCUI
+		 * registers will only hold the fractional part of the offset
+		 * so the integer part must be added to the base address of the
+		 * bottom field.
+		 */
+		if (!oi->height || oi->height == outh)
+			field_offset = 0;
+		else
+			field_offset = oi->height / outh / 2;
+	}
+
+	/* Fields are independent but interleaved in memory. */
+	if (fieldmode)
+		field_offset = 1;
+
+	if (oi->rotation_type == OMAP_DSS_ROT_DMA)
+		calc_dma_rotation_offset(oi->rotation, oi->mirror,
+				oi->screen_width, oi->width, frame_height,
+				oi->color_mode, fieldmode, field_offset,
+				&offset0, &offset1, &row_inc, &pix_inc);
+	else
+		calc_vrfb_rotation_offset(oi->rotation, oi->mirror,
+				oi->screen_width, oi->width, frame_height,
+				oi->color_mode, fieldmode, field_offset,
+				&offset0, &offset1, &row_inc, &pix_inc);
+
+	DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n",
+			offset0, offset1, row_inc, pix_inc);
+
+	dispc_ovl_set_color_mode(plane, oi->color_mode);
+
+	dispc_ovl_set_ba0(plane, oi->paddr + offset0);
+	dispc_ovl_set_ba1(plane, oi->paddr + offset1);
+
+	if (OMAP_DSS_COLOR_NV12 == oi->color_mode) {
+		dispc_ovl_set_ba0_uv(plane, oi->p_uv_addr + offset0);
+		dispc_ovl_set_ba1_uv(plane, oi->p_uv_addr + offset1);
+	}
+
+
+	dispc_ovl_set_row_inc(plane, row_inc);
+	dispc_ovl_set_pix_inc(plane, pix_inc);
+
+	DSSDBG("%d,%d %dx%d -> %dx%d\n", oi->pos_x, oi->pos_y, oi->width,
+			oi->height, outw, outh);
+
+	dispc_ovl_set_pos(plane, oi->pos_x, oi->pos_y);
+
+	dispc_ovl_set_pic_size(plane, oi->width, oi->height);
+
+	if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) {
+		dispc_ovl_set_scaling(plane, oi->width, oi->height,
+				   outw, outh,
+				   ilace, five_taps, fieldmode,
+				   oi->color_mode, oi->rotation);
+		dispc_ovl_set_vid_size(plane, outw, outh);
+		dispc_ovl_set_vid_color_conv(plane, cconv);
+	}
+
+	dispc_ovl_set_rotation_attrs(plane, oi->rotation, oi->mirror,
+			oi->color_mode);
+
+	dispc_ovl_set_zorder(plane, oi->zorder);
+	dispc_ovl_set_pre_mult_alpha(plane, oi->pre_mult_alpha);
+	dispc_ovl_setup_global_alpha(plane, oi->global_alpha);
+
+	dispc_ovl_enable_replication(plane, replication);
+
+	return 0;
+}
+
+int dispc_ovl_enable(enum omap_plane plane, bool enable)
+{
+	DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0);
+
+	return 0;
+}
+
+static void dispc_disable_isr(void *data, u32 mask)
+{
+	struct completion *compl = data;
+	complete(compl);
+}
+
+static void _enable_lcd_out(enum omap_channel channel, bool enable)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD2) {
+		REG_FLD_MOD(DISPC_CONTROL2, enable ? 1 : 0, 0, 0);
+		/* flush posted write */
+		dispc_read_reg(DISPC_CONTROL2);
+	} else {
+		REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);
+		dispc_read_reg(DISPC_CONTROL);
+	}
+}
+
+static void dispc_mgr_enable_lcd_out(enum omap_channel channel, bool enable)
+{
+	struct completion frame_done_completion;
+	bool is_on;
+	int r;
+	u32 irq;
+
+	/* When we disable LCD output, we need to wait until frame is done.
+	 * Otherwise the DSS is still working, and turning off the clocks
+	 * prevents DSS from going to OFF mode */
+	is_on = channel == OMAP_DSS_CHANNEL_LCD2 ?
+			REG_GET(DISPC_CONTROL2, 0, 0) :
+			REG_GET(DISPC_CONTROL, 0, 0);
+
+	irq = channel == OMAP_DSS_CHANNEL_LCD2 ? DISPC_IRQ_FRAMEDONE2 :
+			DISPC_IRQ_FRAMEDONE;
+
+	if (!enable && is_on) {
+		init_completion(&frame_done_completion);
+
+		r = omap_dispc_register_isr(dispc_disable_isr,
+				&frame_done_completion, irq);
+
+		if (r)
+			DSSERR("failed to register FRAMEDONE isr\n");
+	}
+
+	_enable_lcd_out(channel, enable);
+
+	if (!enable && is_on) {
+		if (!wait_for_completion_timeout(&frame_done_completion,
+					msecs_to_jiffies(100)))
+			DSSERR("timeout waiting for FRAME DONE\n");
+
+		r = omap_dispc_unregister_isr(dispc_disable_isr,
+				&frame_done_completion, irq);
+
+		if (r)
+			DSSERR("failed to unregister FRAMEDONE isr\n");
+	}
+}
+
+static void _enable_digit_out(bool enable)
+{
+	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 1, 1);
+	/* flush posted write */
+	dispc_read_reg(DISPC_CONTROL);
+}
+
+static void dispc_mgr_enable_digit_out(bool enable)
+{
+	struct completion frame_done_completion;
+	enum dss_hdmi_venc_clk_source_select src;
+	int r, i;
+	u32 irq_mask;
+	int num_irqs;
+
+	if (REG_GET(DISPC_CONTROL, 1, 1) == enable)
+		return;
+
+	src = dss_get_hdmi_venc_clk_source();
+
+	if (enable) {
+		unsigned long flags;
+		/* When we enable digit output, we'll get an extra digit
+		 * sync lost interrupt, that we need to ignore */
+		spin_lock_irqsave(&dispc.irq_lock, flags);
+		dispc.irq_error_mask &= ~DISPC_IRQ_SYNC_LOST_DIGIT;
+		_omap_dispc_set_irqs();
+		spin_unlock_irqrestore(&dispc.irq_lock, flags);
+	}
+
+	/* When we disable digit output, we need to wait until fields are done.
+	 * Otherwise the DSS is still working, and turning off the clocks
+	 * prevents DSS from going to OFF mode. And when enabling, we need to
+	 * wait for the extra sync losts */
+	init_completion(&frame_done_completion);
+
+	if (src == DSS_HDMI_M_PCLK && enable == false) {
+		irq_mask = DISPC_IRQ_FRAMEDONETV;
+		num_irqs = 1;
+	} else {
+		irq_mask = DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD;
+		/* XXX I understand from TRM that we should only wait for the
+		 * current field to complete. But it seems we have to wait for
+		 * both fields */
+		num_irqs = 2;
+	}
+
+	r = omap_dispc_register_isr(dispc_disable_isr, &frame_done_completion,
+			irq_mask);
+	if (r)
+		DSSERR("failed to register %x isr\n", irq_mask);
+
+	_enable_digit_out(enable);
+
+	for (i = 0; i < num_irqs; ++i) {
+		if (!wait_for_completion_timeout(&frame_done_completion,
+					msecs_to_jiffies(100)))
+			DSSERR("timeout waiting for digit out to %s\n",
+					enable ? "start" : "stop");
+	}
+
+	r = omap_dispc_unregister_isr(dispc_disable_isr, &frame_done_completion,
+			irq_mask);
+	if (r)
+		DSSERR("failed to unregister %x isr\n", irq_mask);
+
+	if (enable) {
+		unsigned long flags;
+		spin_lock_irqsave(&dispc.irq_lock, flags);
+		dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST_DIGIT;
+		dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
+		_omap_dispc_set_irqs();
+		spin_unlock_irqrestore(&dispc.irq_lock, flags);
+	}
+}
+
+bool dispc_mgr_is_enabled(enum omap_channel channel)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD)
+		return !!REG_GET(DISPC_CONTROL, 0, 0);
+	else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		return !!REG_GET(DISPC_CONTROL, 1, 1);
+	else if (channel == OMAP_DSS_CHANNEL_LCD2)
+		return !!REG_GET(DISPC_CONTROL2, 0, 0);
+	else
+		BUG();
+}
+
+void dispc_mgr_enable(enum omap_channel channel, bool enable)
+{
+	if (dispc_mgr_is_lcd(channel))
+		dispc_mgr_enable_lcd_out(channel, enable);
+	else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		dispc_mgr_enable_digit_out(enable);
+	else
+		BUG();
+}
+
+void dispc_lcd_enable_signal_polarity(bool act_high)
+{
+	if (!dss_has_feature(FEAT_LCDENABLEPOL))
+		return;
+
+	REG_FLD_MOD(DISPC_CONTROL, act_high ? 1 : 0, 29, 29);
+}
+
+void dispc_lcd_enable_signal(bool enable)
+{
+	if (!dss_has_feature(FEAT_LCDENABLESIGNAL))
+		return;
+
+	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 28, 28);
+}
+
+void dispc_pck_free_enable(bool enable)
+{
+	if (!dss_has_feature(FEAT_PCKFREEENABLE))
+		return;
+
+	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 27, 27);
+}
+
+void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		REG_FLD_MOD(DISPC_CONFIG2, enable ? 1 : 0, 16, 16);
+	else
+		REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 16, 16);
+}
+
+
+void dispc_mgr_set_lcd_display_type(enum omap_channel channel,
+		enum omap_lcd_display_type type)
+{
+	int mode;
+
+	switch (type) {
+	case OMAP_DSS_LCD_DISPLAY_STN:
+		mode = 0;
+		break;
+
+	case OMAP_DSS_LCD_DISPLAY_TFT:
+		mode = 1;
+		break;
+
+	default:
+		BUG();
+		return;
+	}
+
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		REG_FLD_MOD(DISPC_CONTROL2, mode, 3, 3);
+	else
+		REG_FLD_MOD(DISPC_CONTROL, mode, 3, 3);
+}
+
+void dispc_set_loadmode(enum omap_dss_load_mode mode)
+{
+	REG_FLD_MOD(DISPC_CONFIG, mode, 2, 1);
+}
+
+
+static void dispc_mgr_set_default_color(enum omap_channel channel, u32 color)
+{
+	dispc_write_reg(DISPC_DEFAULT_COLOR(channel), color);
+}
+
+static void dispc_mgr_set_trans_key(enum omap_channel ch,
+		enum omap_dss_trans_key_type type,
+		u32 trans_key)
+{
+	if (ch == OMAP_DSS_CHANNEL_LCD)
+		REG_FLD_MOD(DISPC_CONFIG, type, 11, 11);
+	else if (ch == OMAP_DSS_CHANNEL_DIGIT)
+		REG_FLD_MOD(DISPC_CONFIG, type, 13, 13);
+	else /* OMAP_DSS_CHANNEL_LCD2 */
+		REG_FLD_MOD(DISPC_CONFIG2, type, 11, 11);
+
+	dispc_write_reg(DISPC_TRANS_COLOR(ch), trans_key);
+}
+
+static void dispc_mgr_enable_trans_key(enum omap_channel ch, bool enable)
+{
+	if (ch == OMAP_DSS_CHANNEL_LCD)
+		REG_FLD_MOD(DISPC_CONFIG, enable, 10, 10);
+	else if (ch == OMAP_DSS_CHANNEL_DIGIT)
+		REG_FLD_MOD(DISPC_CONFIG, enable, 12, 12);
+	else /* OMAP_DSS_CHANNEL_LCD2 */
+		REG_FLD_MOD(DISPC_CONFIG2, enable, 10, 10);
+}
+
+static void dispc_mgr_enable_alpha_fixed_zorder(enum omap_channel ch,
+		bool enable)
+{
+	if (!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
+		return;
+
+	if (ch == OMAP_DSS_CHANNEL_LCD)
+		REG_FLD_MOD(DISPC_CONFIG, enable, 18, 18);
+	else if (ch == OMAP_DSS_CHANNEL_DIGIT)
+		REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19);
+}
+
+void dispc_mgr_setup(enum omap_channel channel,
+		struct omap_overlay_manager_info *info)
+{
+	dispc_mgr_set_default_color(channel, info->default_color);
+	dispc_mgr_set_trans_key(channel, info->trans_key_type, info->trans_key);
+	dispc_mgr_enable_trans_key(channel, info->trans_enabled);
+	dispc_mgr_enable_alpha_fixed_zorder(channel,
+			info->partial_alpha_enabled);
+	if (dss_has_feature(FEAT_CPR)) {
+		dispc_mgr_enable_cpr(channel, info->cpr_enable);
+		dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs);
+	}
+}
+
+void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines)
+{
+	int code;
+
+	switch (data_lines) {
+	case 12:
+		code = 0;
+		break;
+	case 16:
+		code = 1;
+		break;
+	case 18:
+		code = 2;
+		break;
+	case 24:
+		code = 3;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		REG_FLD_MOD(DISPC_CONTROL2, code, 9, 8);
+	else
+		REG_FLD_MOD(DISPC_CONTROL, code, 9, 8);
+}
+
+void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode)
+{
+	u32 l;
+	int gpout0, gpout1;
+
+	switch (mode) {
+	case DSS_IO_PAD_MODE_RESET:
+		gpout0 = 0;
+		gpout1 = 0;
+		break;
+	case DSS_IO_PAD_MODE_RFBI:
+		gpout0 = 1;
+		gpout1 = 0;
+		break;
+	case DSS_IO_PAD_MODE_BYPASS:
+		gpout0 = 1;
+		gpout1 = 1;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	l = dispc_read_reg(DISPC_CONTROL);
+	l = FLD_MOD(l, gpout0, 15, 15);
+	l = FLD_MOD(l, gpout1, 16, 16);
+	dispc_write_reg(DISPC_CONTROL, l);
+}
+
+void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable)
+{
+	if (channel == OMAP_DSS_CHANNEL_LCD2)
+		REG_FLD_MOD(DISPC_CONTROL2, enable, 11, 11);
+	else
+		REG_FLD_MOD(DISPC_CONTROL, enable, 11, 11);
+}
+
+static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp,
+		int vsw, int vfp, int vbp)
+{
+	if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) {
+		if (hsw < 1 || hsw > 64 ||
+				hfp < 1 || hfp > 256 ||
+				hbp < 1 || hbp > 256 ||
+				vsw < 1 || vsw > 64 ||
+				vfp < 0 || vfp > 255 ||
+				vbp < 0 || vbp > 255)
+			return false;
+	} else {
+		if (hsw < 1 || hsw > 256 ||
+				hfp < 1 || hfp > 4096 ||
+				hbp < 1 || hbp > 4096 ||
+				vsw < 1 || vsw > 256 ||
+				vfp < 0 || vfp > 4095 ||
+				vbp < 0 || vbp > 4095)
+			return false;
+	}
+
+	return true;
+}
+
+bool dispc_lcd_timings_ok(struct omap_video_timings *timings)
+{
+	return _dispc_lcd_timings_ok(timings->hsw, timings->hfp,
+			timings->hbp, timings->vsw,
+			timings->vfp, timings->vbp);
+}
+
+static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw,
+		int hfp, int hbp, int vsw, int vfp, int vbp)
+{
+	u32 timing_h, timing_v;
+
+	if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) {
+		timing_h = FLD_VAL(hsw-1, 5, 0) | FLD_VAL(hfp-1, 15, 8) |
+			FLD_VAL(hbp-1, 27, 20);
+
+		timing_v = FLD_VAL(vsw-1, 5, 0) | FLD_VAL(vfp, 15, 8) |
+			FLD_VAL(vbp, 27, 20);
+	} else {
+		timing_h = FLD_VAL(hsw-1, 7, 0) | FLD_VAL(hfp-1, 19, 8) |
+			FLD_VAL(hbp-1, 31, 20);
+
+		timing_v = FLD_VAL(vsw-1, 7, 0) | FLD_VAL(vfp, 19, 8) |
+			FLD_VAL(vbp, 31, 20);
+	}
+
+	dispc_write_reg(DISPC_TIMING_H(channel), timing_h);
+	dispc_write_reg(DISPC_TIMING_V(channel), timing_v);
+}
+
+/* change name to mode? */
+void dispc_mgr_set_lcd_timings(enum omap_channel channel,
+		struct omap_video_timings *timings)
+{
+	unsigned xtot, ytot;
+	unsigned long ht, vt;
+
+	if (!_dispc_lcd_timings_ok(timings->hsw, timings->hfp,
+				timings->hbp, timings->vsw,
+				timings->vfp, timings->vbp))
+		BUG();
+
+	_dispc_mgr_set_lcd_timings(channel, timings->hsw, timings->hfp,
+			timings->hbp, timings->vsw, timings->vfp,
+			timings->vbp);
+
+	dispc_mgr_set_lcd_size(channel, timings->x_res, timings->y_res);
+
+	xtot = timings->x_res + timings->hfp + timings->hsw + timings->hbp;
+	ytot = timings->y_res + timings->vfp + timings->vsw + timings->vbp;
+
+	ht = (timings->pixel_clock * 1000) / xtot;
+	vt = (timings->pixel_clock * 1000) / xtot / ytot;
+
+	DSSDBG("channel %d xres %u yres %u\n", channel, timings->x_res,
+			timings->y_res);
+	DSSDBG("pck %u\n", timings->pixel_clock);
+	DSSDBG("hsw %d hfp %d hbp %d vsw %d vfp %d vbp %d\n",
+			timings->hsw, timings->hfp, timings->hbp,
+			timings->vsw, timings->vfp, timings->vbp);
+
+	DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt);
+}
+
+static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
+		u16 pck_div)
+{
+	BUG_ON(lck_div < 1);
+	BUG_ON(pck_div < 1);
+
+	dispc_write_reg(DISPC_DIVISORo(channel),
+			FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0));
+}
+
+static void dispc_mgr_get_lcd_divisor(enum omap_channel channel, int *lck_div,
+		int *pck_div)
+{
+	u32 l;
+	l = dispc_read_reg(DISPC_DIVISORo(channel));
+	*lck_div = FLD_GET(l, 23, 16);
+	*pck_div = FLD_GET(l, 7, 0);
+}
+
+unsigned long dispc_fclk_rate(void)
+{
+	struct platform_device *dsidev;
+	unsigned long r = 0;
+
+	switch (dss_get_dispc_clk_source()) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		r = clk_get_rate(dispc.dss_clk);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		dsidev = dsi_get_dsidev_from_id(0);
+		r = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		dsidev = dsi_get_dsidev_from_id(1);
+		r = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+		break;
+	default:
+		BUG();
+	}
+
+	return r;
+}
+
+unsigned long dispc_mgr_lclk_rate(enum omap_channel channel)
+{
+	struct platform_device *dsidev;
+	int lcd;
+	unsigned long r;
+	u32 l;
+
+	l = dispc_read_reg(DISPC_DIVISORo(channel));
+
+	lcd = FLD_GET(l, 23, 16);
+
+	switch (dss_get_lcd_clk_source(channel)) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		r = clk_get_rate(dispc.dss_clk);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		dsidev = dsi_get_dsidev_from_id(0);
+		r = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		dsidev = dsi_get_dsidev_from_id(1);
+		r = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+		break;
+	default:
+		BUG();
+	}
+
+	return r / lcd;
+}
+
+unsigned long dispc_mgr_pclk_rate(enum omap_channel channel)
+{
+	unsigned long r;
+
+	if (dispc_mgr_is_lcd(channel)) {
+		int pcd;
+		u32 l;
+
+		l = dispc_read_reg(DISPC_DIVISORo(channel));
+
+		pcd = FLD_GET(l, 7, 0);
+
+		r = dispc_mgr_lclk_rate(channel);
+
+		return r / pcd;
+	} else {
+		struct omap_dss_device *dssdev =
+			dispc_mgr_get_device(channel);
+
+		switch (dssdev->type) {
+		case OMAP_DISPLAY_TYPE_VENC:
+			return venc_get_pixel_clock();
+		case OMAP_DISPLAY_TYPE_HDMI:
+			return hdmi_get_pixel_clock();
+		default:
+			BUG();
+		}
+	}
+}
+
+void dispc_dump_clocks(struct seq_file *s)
+{
+	int lcd, pcd;
+	u32 l;
+	enum omap_dss_clk_source dispc_clk_src = dss_get_dispc_clk_source();
+	enum omap_dss_clk_source lcd_clk_src;
+
+	if (dispc_runtime_get())
+		return;
+
+	seq_printf(s, "- DISPC -\n");
+
+	seq_printf(s, "dispc fclk source = %s (%s)\n",
+			dss_get_generic_clk_source_name(dispc_clk_src),
+			dss_feat_get_clk_source_name(dispc_clk_src));
+
+	seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate());
+
+	if (dss_has_feature(FEAT_CORE_CLK_DIV)) {
+		seq_printf(s, "- DISPC-CORE-CLK -\n");
+		l = dispc_read_reg(DISPC_DIVISOR);
+		lcd = FLD_GET(l, 23, 16);
+
+		seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+				(dispc_fclk_rate()/lcd), lcd);
+	}
+	seq_printf(s, "- LCD1 -\n");
+
+	lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD);
+
+	seq_printf(s, "lcd1_clk source = %s (%s)\n",
+		dss_get_generic_clk_source_name(lcd_clk_src),
+		dss_feat_get_clk_source_name(lcd_clk_src));
+
+	dispc_mgr_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD, &lcd, &pcd);
+
+	seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+			dispc_mgr_lclk_rate(OMAP_DSS_CHANNEL_LCD), lcd);
+	seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
+			dispc_mgr_pclk_rate(OMAP_DSS_CHANNEL_LCD), pcd);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		seq_printf(s, "- LCD2 -\n");
+
+		lcd_clk_src = dss_get_lcd_clk_source(OMAP_DSS_CHANNEL_LCD2);
+
+		seq_printf(s, "lcd2_clk source = %s (%s)\n",
+			dss_get_generic_clk_source_name(lcd_clk_src),
+			dss_feat_get_clk_source_name(lcd_clk_src));
+
+		dispc_mgr_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD2, &lcd, &pcd);
+
+		seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+				dispc_mgr_lclk_rate(OMAP_DSS_CHANNEL_LCD2), lcd);
+		seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
+				dispc_mgr_pclk_rate(OMAP_DSS_CHANNEL_LCD2), pcd);
+	}
+
+	dispc_runtime_put();
+}
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+void dispc_dump_irqs(struct seq_file *s)
+{
+	unsigned long flags;
+	struct dispc_irq_stats stats;
+
+	spin_lock_irqsave(&dispc.irq_stats_lock, flags);
+
+	stats = dispc.irq_stats;
+	memset(&dispc.irq_stats, 0, sizeof(dispc.irq_stats));
+	dispc.irq_stats.last_reset = jiffies;
+
+	spin_unlock_irqrestore(&dispc.irq_stats_lock, flags);
+
+	seq_printf(s, "period %u ms\n",
+			jiffies_to_msecs(jiffies - stats.last_reset));
+
+	seq_printf(s, "irqs %d\n", stats.irq_count);
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1]);
+
+	PIS(FRAMEDONE);
+	PIS(VSYNC);
+	PIS(EVSYNC_EVEN);
+	PIS(EVSYNC_ODD);
+	PIS(ACBIAS_COUNT_STAT);
+	PIS(PROG_LINE_NUM);
+	PIS(GFX_FIFO_UNDERFLOW);
+	PIS(GFX_END_WIN);
+	PIS(PAL_GAMMA_MASK);
+	PIS(OCP_ERR);
+	PIS(VID1_FIFO_UNDERFLOW);
+	PIS(VID1_END_WIN);
+	PIS(VID2_FIFO_UNDERFLOW);
+	PIS(VID2_END_WIN);
+	if (dss_feat_get_num_ovls() > 3) {
+		PIS(VID3_FIFO_UNDERFLOW);
+		PIS(VID3_END_WIN);
+	}
+	PIS(SYNC_LOST);
+	PIS(SYNC_LOST_DIGIT);
+	PIS(WAKEUP);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		PIS(FRAMEDONE2);
+		PIS(VSYNC2);
+		PIS(ACBIAS_COUNT_STAT2);
+		PIS(SYNC_LOST2);
+	}
+#undef PIS
+}
+#endif
+
+void dispc_dump_regs(struct seq_file *s)
+{
+	int i, j;
+	const char *mgr_names[] = {
+		[OMAP_DSS_CHANNEL_LCD]		= "LCD",
+		[OMAP_DSS_CHANNEL_DIGIT]	= "TV",
+		[OMAP_DSS_CHANNEL_LCD2]		= "LCD2",
+	};
+	const char *ovl_names[] = {
+		[OMAP_DSS_GFX]		= "GFX",
+		[OMAP_DSS_VIDEO1]	= "VID1",
+		[OMAP_DSS_VIDEO2]	= "VID2",
+		[OMAP_DSS_VIDEO3]	= "VID3",
+	};
+	const char **p_names;
+
+#define DUMPREG(r) seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r))
+
+	if (dispc_runtime_get())
+		return;
+
+	/* DISPC common registers */
+	DUMPREG(DISPC_REVISION);
+	DUMPREG(DISPC_SYSCONFIG);
+	DUMPREG(DISPC_SYSSTATUS);
+	DUMPREG(DISPC_IRQSTATUS);
+	DUMPREG(DISPC_IRQENABLE);
+	DUMPREG(DISPC_CONTROL);
+	DUMPREG(DISPC_CONFIG);
+	DUMPREG(DISPC_CAPABLE);
+	DUMPREG(DISPC_LINE_STATUS);
+	DUMPREG(DISPC_LINE_NUMBER);
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
+			dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		DUMPREG(DISPC_GLOBAL_ALPHA);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		DUMPREG(DISPC_CONTROL2);
+		DUMPREG(DISPC_CONFIG2);
+	}
+
+#undef DUMPREG
+
+#define DISPC_REG(i, name) name(i)
+#define DUMPREG(i, r) seq_printf(s, "%s(%s)%*s %08x\n", #r, p_names[i], \
+	48 - strlen(#r) - strlen(p_names[i]), " ", \
+	dispc_read_reg(DISPC_REG(i, r)))
+
+	p_names = mgr_names;
+
+	/* DISPC channel specific registers */
+	for (i = 0; i < dss_feat_get_num_mgrs(); i++) {
+		DUMPREG(i, DISPC_DEFAULT_COLOR);
+		DUMPREG(i, DISPC_TRANS_COLOR);
+		DUMPREG(i, DISPC_SIZE_MGR);
+
+		if (i == OMAP_DSS_CHANNEL_DIGIT)
+			continue;
+
+		DUMPREG(i, DISPC_DEFAULT_COLOR);
+		DUMPREG(i, DISPC_TRANS_COLOR);
+		DUMPREG(i, DISPC_TIMING_H);
+		DUMPREG(i, DISPC_TIMING_V);
+		DUMPREG(i, DISPC_POL_FREQ);
+		DUMPREG(i, DISPC_DIVISORo);
+		DUMPREG(i, DISPC_SIZE_MGR);
+
+		DUMPREG(i, DISPC_DATA_CYCLE1);
+		DUMPREG(i, DISPC_DATA_CYCLE2);
+		DUMPREG(i, DISPC_DATA_CYCLE3);
+
+		if (dss_has_feature(FEAT_CPR)) {
+			DUMPREG(i, DISPC_CPR_COEF_R);
+			DUMPREG(i, DISPC_CPR_COEF_G);
+			DUMPREG(i, DISPC_CPR_COEF_B);
+		}
+	}
+
+	p_names = ovl_names;
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+		DUMPREG(i, DISPC_OVL_BA0);
+		DUMPREG(i, DISPC_OVL_BA1);
+		DUMPREG(i, DISPC_OVL_POSITION);
+		DUMPREG(i, DISPC_OVL_SIZE);
+		DUMPREG(i, DISPC_OVL_ATTRIBUTES);
+		DUMPREG(i, DISPC_OVL_FIFO_THRESHOLD);
+		DUMPREG(i, DISPC_OVL_FIFO_SIZE_STATUS);
+		DUMPREG(i, DISPC_OVL_ROW_INC);
+		DUMPREG(i, DISPC_OVL_PIXEL_INC);
+		if (dss_has_feature(FEAT_PRELOAD))
+			DUMPREG(i, DISPC_OVL_PRELOAD);
+
+		if (i == OMAP_DSS_GFX) {
+			DUMPREG(i, DISPC_OVL_WINDOW_SKIP);
+			DUMPREG(i, DISPC_OVL_TABLE_BA);
+			continue;
+		}
+
+		DUMPREG(i, DISPC_OVL_FIR);
+		DUMPREG(i, DISPC_OVL_PICTURE_SIZE);
+		DUMPREG(i, DISPC_OVL_ACCU0);
+		DUMPREG(i, DISPC_OVL_ACCU1);
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			DUMPREG(i, DISPC_OVL_BA0_UV);
+			DUMPREG(i, DISPC_OVL_BA1_UV);
+			DUMPREG(i, DISPC_OVL_FIR2);
+			DUMPREG(i, DISPC_OVL_ACCU2_0);
+			DUMPREG(i, DISPC_OVL_ACCU2_1);
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
+		if (dss_has_feature(FEAT_PRELOAD))
+			DUMPREG(i, DISPC_OVL_PRELOAD);
+	}
+
+#undef DISPC_REG
+#undef DUMPREG
+
+#define DISPC_REG(plane, name, i) name(plane, i)
+#define DUMPREG(plane, name, i) \
+	seq_printf(s, "%s_%d(%s)%*s %08x\n", #name, i, p_names[plane], \
+	46 - strlen(#name) - strlen(p_names[plane]), " ", \
+	dispc_read_reg(DISPC_REG(plane, name, i)))
+
+	/* Video pipeline coefficient registers */
+
+	/* start from OMAP_DSS_VIDEO1 */
+	for (i = 1; i < dss_feat_get_num_ovls(); i++) {
+		for (j = 0; j < 8; j++)
+			DUMPREG(i, DISPC_OVL_FIR_COEF_H, j);
+
+		for (j = 0; j < 8; j++)
+			DUMPREG(i, DISPC_OVL_FIR_COEF_HV, j);
+
+		for (j = 0; j < 5; j++)
+			DUMPREG(i, DISPC_OVL_CONV_COEF, j);
+
+		if (dss_has_feature(FEAT_FIR_COEF_V)) {
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_V, j);
+		}
+
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_H2, j);
+
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_HV2, j);
+
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_V2, j);
+		}
+	}
+
+	dispc_runtime_put();
+
+#undef DISPC_REG
+#undef DUMPREG
+}
+
+static void _dispc_mgr_set_pol_freq(enum omap_channel channel, bool onoff,
+		bool rf, bool ieo, bool ipc, bool ihs, bool ivs, u8 acbi,
+		u8 acb)
+{
+	u32 l = 0;
+
+	DSSDBG("onoff %d rf %d ieo %d ipc %d ihs %d ivs %d acbi %d acb %d\n",
+			onoff, rf, ieo, ipc, ihs, ivs, acbi, acb);
+
+	l |= FLD_VAL(onoff, 17, 17);
+	l |= FLD_VAL(rf, 16, 16);
+	l |= FLD_VAL(ieo, 15, 15);
+	l |= FLD_VAL(ipc, 14, 14);
+	l |= FLD_VAL(ihs, 13, 13);
+	l |= FLD_VAL(ivs, 12, 12);
+	l |= FLD_VAL(acbi, 11, 8);
+	l |= FLD_VAL(acb, 7, 0);
+
+	dispc_write_reg(DISPC_POL_FREQ(channel), l);
+}
+
+void dispc_mgr_set_pol_freq(enum omap_channel channel,
+		enum omap_panel_config config, u8 acbi, u8 acb)
+{
+	_dispc_mgr_set_pol_freq(channel, (config & OMAP_DSS_LCD_ONOFF) != 0,
+			(config & OMAP_DSS_LCD_RF) != 0,
+			(config & OMAP_DSS_LCD_IEO) != 0,
+			(config & OMAP_DSS_LCD_IPC) != 0,
+			(config & OMAP_DSS_LCD_IHS) != 0,
+			(config & OMAP_DSS_LCD_IVS) != 0,
+			acbi, acb);
+}
+
+/* with fck as input clock rate, find dispc dividers that produce req_pck */
+void dispc_find_clk_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
+		struct dispc_clock_info *cinfo)
+{
+	u16 pcd_min, pcd_max;
+	unsigned long best_pck;
+	u16 best_ld, cur_ld;
+	u16 best_pd, cur_pd;
+
+	pcd_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD);
+	pcd_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD);
+
+	if (!is_tft)
+		pcd_min = 3;
+
+	best_pck = 0;
+	best_ld = 0;
+	best_pd = 0;
+
+	for (cur_ld = 1; cur_ld <= 255; ++cur_ld) {
+		unsigned long lck = fck / cur_ld;
+
+		for (cur_pd = pcd_min; cur_pd <= pcd_max; ++cur_pd) {
+			unsigned long pck = lck / cur_pd;
+			long old_delta = abs(best_pck - req_pck);
+			long new_delta = abs(pck - req_pck);
+
+			if (best_pck == 0 || new_delta < old_delta) {
+				best_pck = pck;
+				best_ld = cur_ld;
+				best_pd = cur_pd;
+
+				if (pck == req_pck)
+					goto found;
+			}
+
+			if (pck < req_pck)
+				break;
+		}
+
+		if (lck / pcd_min < req_pck)
+			break;
+	}
+
+found:
+	cinfo->lck_div = best_ld;
+	cinfo->pck_div = best_pd;
+	cinfo->lck = fck / cinfo->lck_div;
+	cinfo->pck = cinfo->lck / cinfo->pck_div;
+}
+
+/* calculate clock rates using dividers in cinfo */
+int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
+		struct dispc_clock_info *cinfo)
+{
+	if (cinfo->lck_div > 255 || cinfo->lck_div == 0)
+		return -EINVAL;
+	if (cinfo->pck_div < 1 || cinfo->pck_div > 255)
+		return -EINVAL;
+
+	cinfo->lck = dispc_fclk_rate / cinfo->lck_div;
+	cinfo->pck = cinfo->lck / cinfo->pck_div;
+
+	return 0;
+}
+
+int dispc_mgr_set_clock_div(enum omap_channel channel,
+		struct dispc_clock_info *cinfo)
+{
+	DSSDBG("lck = %lu (%u)\n", cinfo->lck, cinfo->lck_div);
+	DSSDBG("pck = %lu (%u)\n", cinfo->pck, cinfo->pck_div);
+
+	dispc_mgr_set_lcd_divisor(channel, cinfo->lck_div, cinfo->pck_div);
+
+	return 0;
+}
+
+int dispc_mgr_get_clock_div(enum omap_channel channel,
+		struct dispc_clock_info *cinfo)
+{
+	unsigned long fck;
+
+	fck = dispc_fclk_rate();
+
+	cinfo->lck_div = REG_GET(DISPC_DIVISORo(channel), 23, 16);
+	cinfo->pck_div = REG_GET(DISPC_DIVISORo(channel), 7, 0);
+
+	cinfo->lck = fck / cinfo->lck_div;
+	cinfo->pck = cinfo->lck / cinfo->pck_div;
+
+	return 0;
+}
+
+/* dispc.irq_lock has to be locked by the caller */
+static void _omap_dispc_set_irqs(void)
+{
+	u32 mask;
+	u32 old_mask;
+	int i;
+	struct omap_dispc_isr_data *isr_data;
+
+	mask = dispc.irq_error_mask;
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc.registered_isr[i];
+
+		if (isr_data->isr == NULL)
+			continue;
+
+		mask |= isr_data->mask;
+	}
+
+	old_mask = dispc_read_reg(DISPC_IRQENABLE);
+	/* clear the irqstatus for newly enabled irqs */
+	dispc_write_reg(DISPC_IRQSTATUS, (mask ^ old_mask) & mask);
+
+	dispc_write_reg(DISPC_IRQENABLE, mask);
+}
+
+int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
+{
+	int i;
+	int ret;
+	unsigned long flags;
+	struct omap_dispc_isr_data *isr_data;
+
+	if (isr == NULL)
+		return -EINVAL;
+
+	spin_lock_irqsave(&dispc.irq_lock, flags);
+
+	/* check for duplicate entry */
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc.registered_isr[i];
+		if (isr_data->isr == isr && isr_data->arg == arg &&
+				isr_data->mask == mask) {
+			ret = -EINVAL;
+			goto err;
+		}
+	}
+
+	isr_data = NULL;
+	ret = -EBUSY;
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc.registered_isr[i];
+
+		if (isr_data->isr != NULL)
+			continue;
+
+		isr_data->isr = isr;
+		isr_data->arg = arg;
+		isr_data->mask = mask;
+		ret = 0;
+
+		break;
+	}
+
+	if (ret)
+		goto err;
+
+	_omap_dispc_set_irqs();
+
+	spin_unlock_irqrestore(&dispc.irq_lock, flags);
+
+	return 0;
+err:
+	spin_unlock_irqrestore(&dispc.irq_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(omap_dispc_register_isr);
+
+int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
+{
+	int i;
+	unsigned long flags;
+	int ret = -EINVAL;
+	struct omap_dispc_isr_data *isr_data;
+
+	spin_lock_irqsave(&dispc.irq_lock, flags);
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc.registered_isr[i];
+		if (isr_data->isr != isr || isr_data->arg != arg ||
+				isr_data->mask != mask)
+			continue;
+
+		/* found the correct isr */
+
+		isr_data->isr = NULL;
+		isr_data->arg = NULL;
+		isr_data->mask = 0;
+
+		ret = 0;
+		break;
+	}
+
+	if (ret == 0)
+		_omap_dispc_set_irqs();
+
+	spin_unlock_irqrestore(&dispc.irq_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(omap_dispc_unregister_isr);
+
+#ifdef DEBUG
+static void print_irq_status(u32 status)
+{
+	if ((status & dispc.irq_error_mask) == 0)
+		return;
+
+	printk(KERN_DEBUG "DISPC IRQ: 0x%x: ", status);
+
+#define PIS(x) \
+	if (status & DISPC_IRQ_##x) \
+		printk(#x " ");
+	PIS(GFX_FIFO_UNDERFLOW);
+	PIS(OCP_ERR);
+	PIS(VID1_FIFO_UNDERFLOW);
+	PIS(VID2_FIFO_UNDERFLOW);
+	if (dss_feat_get_num_ovls() > 3)
+		PIS(VID3_FIFO_UNDERFLOW);
+	PIS(SYNC_LOST);
+	PIS(SYNC_LOST_DIGIT);
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		PIS(SYNC_LOST2);
+#undef PIS
+
+	printk("\n");
+}
+#endif
+
+/* Called from dss.c. Note that we don't touch clocks here,
+ * but we presume they are on because we got an IRQ. However,
+ * an irq handler may turn the clocks off, so we may not have
+ * clock later in the function. */
+static irqreturn_t omap_dispc_irq_handler(int irq, void *arg)
+{
+	int i;
+	u32 irqstatus, irqenable;
+	u32 handledirqs = 0;
+	u32 unhandled_errors;
+	struct omap_dispc_isr_data *isr_data;
+	struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
+
+	spin_lock(&dispc.irq_lock);
+
+	irqstatus = dispc_read_reg(DISPC_IRQSTATUS);
+	irqenable = dispc_read_reg(DISPC_IRQENABLE);
+
+	/* IRQ is not for us */
+	if (!(irqstatus & irqenable)) {
+		spin_unlock(&dispc.irq_lock);
+		return IRQ_NONE;
+	}
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	spin_lock(&dispc.irq_stats_lock);
+	dispc.irq_stats.irq_count++;
+	dss_collect_irq_stats(irqstatus, dispc.irq_stats.irqs);
+	spin_unlock(&dispc.irq_stats_lock);
+#endif
+
+#ifdef DEBUG
+	if (dss_debug)
+		print_irq_status(irqstatus);
+#endif
+	/* Ack the interrupt. Do it here before clocks are possibly turned
+	 * off */
+	dispc_write_reg(DISPC_IRQSTATUS, irqstatus);
+	/* flush posted write */
+	dispc_read_reg(DISPC_IRQSTATUS);
+
+	/* make a copy and unlock, so that isrs can unregister
+	 * themselves */
+	memcpy(registered_isr, dispc.registered_isr,
+			sizeof(registered_isr));
+
+	spin_unlock(&dispc.irq_lock);
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &registered_isr[i];
+
+		if (!isr_data->isr)
+			continue;
+
+		if (isr_data->mask & irqstatus) {
+			isr_data->isr(isr_data->arg, irqstatus);
+			handledirqs |= isr_data->mask;
+		}
+	}
+
+	spin_lock(&dispc.irq_lock);
+
+	unhandled_errors = irqstatus & ~handledirqs & dispc.irq_error_mask;
+
+	if (unhandled_errors) {
+		dispc.error_irqs |= unhandled_errors;
+
+		dispc.irq_error_mask &= ~unhandled_errors;
+		_omap_dispc_set_irqs();
+
+		schedule_work(&dispc.error_work);
+	}
+
+	spin_unlock(&dispc.irq_lock);
+
+	return IRQ_HANDLED;
+}
+
+static void dispc_error_worker(struct work_struct *work)
+{
+	int i;
+	u32 errors;
+	unsigned long flags;
+	static const unsigned fifo_underflow_bits[] = {
+		DISPC_IRQ_GFX_FIFO_UNDERFLOW,
+		DISPC_IRQ_VID1_FIFO_UNDERFLOW,
+		DISPC_IRQ_VID2_FIFO_UNDERFLOW,
+		DISPC_IRQ_VID3_FIFO_UNDERFLOW,
+	};
+
+	static const unsigned sync_lost_bits[] = {
+		DISPC_IRQ_SYNC_LOST,
+		DISPC_IRQ_SYNC_LOST_DIGIT,
+		DISPC_IRQ_SYNC_LOST2,
+	};
+
+	spin_lock_irqsave(&dispc.irq_lock, flags);
+	errors = dispc.error_irqs;
+	dispc.error_irqs = 0;
+	spin_unlock_irqrestore(&dispc.irq_lock, flags);
+
+	dispc_runtime_get();
+
+	for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+		struct omap_overlay *ovl;
+		unsigned bit;
+
+		ovl = omap_dss_get_overlay(i);
+		bit = fifo_underflow_bits[i];
+
+		if (bit & errors) {
+			DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n",
+					ovl->name);
+			dispc_ovl_enable(ovl->id, false);
+			dispc_mgr_go(ovl->manager->id);
+			mdelay(50);
+		}
+	}
+
+	for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+		struct omap_overlay_manager *mgr;
+		unsigned bit;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		bit = sync_lost_bits[i];
+
+		if (bit & errors) {
+			struct omap_dss_device *dssdev = mgr->device;
+			bool enable;
+
+			DSSERR("SYNC_LOST on channel %s, restarting the output "
+					"with video overlays disabled\n",
+					mgr->name);
+
+			enable = dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
+			dssdev->driver->disable(dssdev);
+
+			for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+				struct omap_overlay *ovl;
+				ovl = omap_dss_get_overlay(i);
+
+				if (ovl->id != OMAP_DSS_GFX &&
+						ovl->manager == mgr)
+					dispc_ovl_enable(ovl->id, false);
+			}
+
+			dispc_mgr_go(mgr->id);
+			mdelay(50);
+
+			if (enable)
+				dssdev->driver->enable(dssdev);
+		}
+	}
+
+	if (errors & DISPC_IRQ_OCP_ERR) {
+		DSSERR("OCP_ERR\n");
+		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+			struct omap_overlay_manager *mgr;
+			mgr = omap_dss_get_overlay_manager(i);
+			if (mgr->device && mgr->device->driver)
+				mgr->device->driver->disable(mgr->device);
+		}
+	}
+
+	spin_lock_irqsave(&dispc.irq_lock, flags);
+	dispc.irq_error_mask |= errors;
+	_omap_dispc_set_irqs();
+	spin_unlock_irqrestore(&dispc.irq_lock, flags);
+
+	dispc_runtime_put();
+}
+
+int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout)
+{
+	void dispc_irq_wait_handler(void *data, u32 mask)
+	{
+		complete((struct completion *)data);
+	}
+
+	int r;
+	DECLARE_COMPLETION_ONSTACK(completion);
+
+	r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
+			irqmask);
+
+	if (r)
+		return r;
+
+	timeout = wait_for_completion_timeout(&completion, timeout);
+
+	omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
+
+	if (timeout == 0)
+		return -ETIMEDOUT;
+
+	if (timeout == -ERESTARTSYS)
+		return -ERESTARTSYS;
+
+	return 0;
+}
+
+int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
+		unsigned long timeout)
+{
+	void dispc_irq_wait_handler(void *data, u32 mask)
+	{
+		complete((struct completion *)data);
+	}
+
+	int r;
+	DECLARE_COMPLETION_ONSTACK(completion);
+
+	r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
+			irqmask);
+
+	if (r)
+		return r;
+
+	timeout = wait_for_completion_interruptible_timeout(&completion,
+			timeout);
+
+	omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
+
+	if (timeout == 0)
+		return -ETIMEDOUT;
+
+	if (timeout == -ERESTARTSYS)
+		return -ERESTARTSYS;
+
+	return 0;
+}
+
+#ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC
+void dispc_fake_vsync_irq(void)
+{
+	u32 irqstatus = DISPC_IRQ_VSYNC;
+	int i;
+
+	WARN_ON(!in_interrupt());
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		struct omap_dispc_isr_data *isr_data;
+		isr_data = &dispc.registered_isr[i];
+
+		if (!isr_data->isr)
+			continue;
+
+		if (isr_data->mask & irqstatus)
+			isr_data->isr(isr_data->arg, irqstatus);
+	}
+}
+#endif
+
+static void _omap_dispc_initialize_irq(void)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dispc.irq_lock, flags);
+
+	memset(dispc.registered_isr, 0, sizeof(dispc.registered_isr));
+
+	dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR;
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2;
+	if (dss_feat_get_num_ovls() > 3)
+		dispc.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW;
+
+	/* there's SYNC_LOST_DIGIT waiting after enabling the DSS,
+	 * so clear it */
+	dispc_write_reg(DISPC_IRQSTATUS, dispc_read_reg(DISPC_IRQSTATUS));
+
+	_omap_dispc_set_irqs();
+
+	spin_unlock_irqrestore(&dispc.irq_lock, flags);
+}
+
+void dispc_enable_sidle(void)
+{
+	REG_FLD_MOD(DISPC_SYSCONFIG, 2, 4, 3);	/* SIDLEMODE: smart idle */
+}
+
+void dispc_disable_sidle(void)
+{
+	REG_FLD_MOD(DISPC_SYSCONFIG, 1, 4, 3);	/* SIDLEMODE: no idle */
+}
+
+static void _omap_dispc_initial_config(void)
+{
+	u32 l;
+
+	/* Exclusively enable DISPC_CORE_CLK and set divider to 1 */
+	if (dss_has_feature(FEAT_CORE_CLK_DIV)) {
+		l = dispc_read_reg(DISPC_DIVISOR);
+		/* Use DISPC_DIVISOR.LCD, instead of DISPC_DIVISOR1.LCD */
+		l = FLD_MOD(l, 1, 0, 0);
+		l = FLD_MOD(l, 1, 23, 16);
+		dispc_write_reg(DISPC_DIVISOR, l);
+	}
+
+	/* FUNCGATED */
+	if (dss_has_feature(FEAT_FUNCGATED))
+		REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9);
+
+	_dispc_setup_color_conv_coef();
+
+	dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY);
+
+	dispc_read_plane_fifo_sizes();
+
+	dispc_configure_burst_sizes();
+
+	dispc_ovl_enable_zorder_planes();
+}
+
+/* DISPC HW IP initialisation */
+static int omap_dispchw_probe(struct platform_device *pdev)
+{
+	u32 rev;
+	int r = 0;
+	struct resource *dispc_mem;
+	struct clk *clk;
+
+	dispc.pdev = pdev;
+
+	spin_lock_init(&dispc.irq_lock);
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	spin_lock_init(&dispc.irq_stats_lock);
+	dispc.irq_stats.last_reset = jiffies;
+#endif
+
+	INIT_WORK(&dispc.error_work, dispc_error_worker);
+
+	dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0);
+	if (!dispc_mem) {
+		DSSERR("can't get IORESOURCE_MEM DISPC\n");
+		return -EINVAL;
+	}
+
+	dispc.base = devm_ioremap(&pdev->dev, dispc_mem->start,
+				  resource_size(dispc_mem));
+	if (!dispc.base) {
+		DSSERR("can't ioremap DISPC\n");
+		return -ENOMEM;
+	}
+
+	dispc.irq = platform_get_irq(dispc.pdev, 0);
+	if (dispc.irq < 0) {
+		DSSERR("platform_get_irq failed\n");
+		return -ENODEV;
+	}
+
+	r = devm_request_irq(&pdev->dev, dispc.irq, omap_dispc_irq_handler,
+			     IRQF_SHARED, "OMAP DISPC", dispc.pdev);
+	if (r < 0) {
+		DSSERR("request_irq failed\n");
+		return r;
+	}
+
+	clk = clk_get(&pdev->dev, "fck");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get fck\n");
+		r = PTR_ERR(clk);
+		return r;
+	}
+
+	dispc.dss_clk = clk;
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	_omap_dispc_initial_config();
+
+	_omap_dispc_initialize_irq();
+
+	rev = dispc_read_reg(DISPC_REVISION);
+	dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n",
+	       FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	dispc_runtime_put();
+
+	return 0;
+
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	clk_put(dispc.dss_clk);
+	return r;
+}
+
+static int omap_dispchw_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	clk_put(dispc.dss_clk);
+
+	return 0;
+}
+
+static int dispc_runtime_suspend(struct device *dev)
+{
+	dispc_save_context();
+	dss_runtime_put();
+
+	return 0;
+}
+
+static int dispc_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dss_runtime_get();
+	if (r < 0)
+		return r;
+
+	dispc_restore_context();
+
+	return 0;
+}
+
+static const struct dev_pm_ops dispc_pm_ops = {
+	.runtime_suspend = dispc_runtime_suspend,
+	.runtime_resume = dispc_runtime_resume,
+};
+
+static struct platform_driver omap_dispchw_driver = {
+	.probe          = omap_dispchw_probe,
+	.remove         = omap_dispchw_remove,
+	.driver         = {
+		.name   = "omapdss_dispc",
+		.owner  = THIS_MODULE,
+		.pm	= &dispc_pm_ops,
+	},
+};
+
+int dispc_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dispchw_driver);
+}
+
+void dispc_uninit_platform_driver(void)
+{
+	return platform_driver_unregister(&omap_dispchw_driver);
+}
diff --git a/drivers/video/omap2/dss/dispc.h b/drivers/video/omap2/dss/dispc.h
new file mode 100644
index 00000000..5836bd16
--- /dev/null
+++ b/drivers/video/omap2/dss/dispc.h
@@ -0,0 +1,759 @@
+/*
+ * linux/drivers/video/omap2/dss/dispc.h
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Archit Taneja <archit@ti.com>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __OMAP2_DISPC_REG_H
+#define __OMAP2_DISPC_REG_H
+
+/* DISPC common registers */
+#define DISPC_REVISION			0x0000
+#define DISPC_SYSCONFIG			0x0010
+#define DISPC_SYSSTATUS			0x0014
+#define DISPC_IRQSTATUS			0x0018
+#define DISPC_IRQENABLE			0x001C
+#define DISPC_CONTROL			0x0040
+#define DISPC_CONFIG			0x0044
+#define DISPC_CAPABLE			0x0048
+#define DISPC_LINE_STATUS		0x005C
+#define DISPC_LINE_NUMBER		0x0060
+#define DISPC_GLOBAL_ALPHA		0x0074
+#define DISPC_CONTROL2			0x0238
+#define DISPC_CONFIG2			0x0620
+#define DISPC_DIVISOR			0x0804
+
+/* DISPC overlay registers */
+#define DISPC_OVL_BA0(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA0_OFFSET(n))
+#define DISPC_OVL_BA1(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA1_OFFSET(n))
+#define DISPC_OVL_BA0_UV(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA0_UV_OFFSET(n))
+#define DISPC_OVL_BA1_UV(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA1_UV_OFFSET(n))
+#define DISPC_OVL_POSITION(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_POS_OFFSET(n))
+#define DISPC_OVL_SIZE(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_SIZE_OFFSET(n))
+#define DISPC_OVL_ATTRIBUTES(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ATTR_OFFSET(n))
+#define DISPC_OVL_ATTRIBUTES2(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_ATTR2_OFFSET(n))
+#define DISPC_OVL_FIFO_THRESHOLD(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIFO_THRESH_OFFSET(n))
+#define DISPC_OVL_FIFO_SIZE_STATUS(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIFO_SIZE_STATUS_OFFSET(n))
+#define DISPC_OVL_ROW_INC(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ROW_INC_OFFSET(n))
+#define DISPC_OVL_PIXEL_INC(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_PIX_INC_OFFSET(n))
+#define DISPC_OVL_WINDOW_SKIP(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_WINDOW_SKIP_OFFSET(n))
+#define DISPC_OVL_TABLE_BA(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_TABLE_BA_OFFSET(n))
+#define DISPC_OVL_FIR(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_OFFSET(n))
+#define DISPC_OVL_FIR2(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_FIR2_OFFSET(n))
+#define DISPC_OVL_PICTURE_SIZE(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_PIC_SIZE_OFFSET(n))
+#define DISPC_OVL_ACCU0(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU0_OFFSET(n))
+#define DISPC_OVL_ACCU1(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU1_OFFSET(n))
+#define DISPC_OVL_ACCU2_0(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU2_0_OFFSET(n))
+#define DISPC_OVL_ACCU2_1(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU2_1_OFFSET(n))
+#define DISPC_OVL_FIR_COEF_H(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_H_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_HV(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_HV_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_H2(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_H2_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_HV2(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_HV2_OFFSET(n, i))
+#define DISPC_OVL_CONV_COEF(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_CONV_COEF_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_V(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_V_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_V2(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_V2_OFFSET(n, i))
+#define DISPC_OVL_PRELOAD(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_PRELOAD_OFFSET(n))
+
+/* DISPC up/downsampling FIR filter coefficient structure */
+struct dispc_coef {
+	s8 hc4_vc22;
+	s8 hc3_vc2;
+	u8 hc2_vc1;
+	s8 hc1_vc0;
+	s8 hc0_vc00;
+};
+
+const struct dispc_coef *dispc_ovl_get_scale_coef(int inc, int five_taps);
+
+/* DISPC manager/channel specific registers */
+static inline u16 DISPC_DEFAULT_COLOR(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x004C;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0x0050;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03AC;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_TRANS_COLOR(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0054;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0x0058;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03B0;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_TIMING_H(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0064;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x0400;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_TIMING_V(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0068;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x0404;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_POL_FREQ(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x006C;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x0408;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_DIVISORo(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0070;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x040C;
+	default:
+		BUG();
+	}
+}
+
+/* Named as DISPC_SIZE_LCD, DISPC_SIZE_DIGIT and DISPC_SIZE_LCD2 in TRM */
+static inline u16 DISPC_SIZE_MGR(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x007C;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0x0078;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03CC;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_DATA_CYCLE1(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x01D4;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03C0;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_DATA_CYCLE2(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x01D8;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03C4;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_DATA_CYCLE3(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x01DC;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03C8;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_CPR_COEF_R(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0220;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03BC;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_CPR_COEF_G(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0224;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03B8;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_CPR_COEF_B(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0228;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03B4;
+	default:
+		BUG();
+	}
+}
+
+/* DISPC overlay register base addresses */
+static inline u16 DISPC_OVL_BASE(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0080;
+	case OMAP_DSS_VIDEO1:
+		return 0x00BC;
+	case OMAP_DSS_VIDEO2:
+		return 0x014C;
+	case OMAP_DSS_VIDEO3:
+		return 0x0300;
+	default:
+		BUG();
+	}
+}
+
+/* DISPC overlay register offsets */
+static inline u16 DISPC_BA0_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0000;
+	case OMAP_DSS_VIDEO3:
+		return 0x0008;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_BA1_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0004;
+	case OMAP_DSS_VIDEO3:
+		return 0x000C;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_BA0_UV_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0544;
+	case OMAP_DSS_VIDEO2:
+		return 0x04BC;
+	case OMAP_DSS_VIDEO3:
+		return 0x0310;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_BA1_UV_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0548;
+	case OMAP_DSS_VIDEO2:
+		return 0x04C0;
+	case OMAP_DSS_VIDEO3:
+		return 0x0314;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_POS_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0008;
+	case OMAP_DSS_VIDEO3:
+		return 0x009C;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_SIZE_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x000C;
+	case OMAP_DSS_VIDEO3:
+		return 0x00A8;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_ATTR_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0020;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0010;
+	case OMAP_DSS_VIDEO3:
+		return 0x0070;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_ATTR2_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0568;
+	case OMAP_DSS_VIDEO2:
+		return 0x04DC;
+	case OMAP_DSS_VIDEO3:
+		return 0x032C;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_FIFO_THRESH_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0024;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0014;
+	case OMAP_DSS_VIDEO3:
+		return 0x008C;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_FIFO_SIZE_STATUS_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0028;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0018;
+	case OMAP_DSS_VIDEO3:
+		return 0x0088;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_ROW_INC_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x002C;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x001C;
+	case OMAP_DSS_VIDEO3:
+		return 0x00A4;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_PIX_INC_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0030;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0020;
+	case OMAP_DSS_VIDEO3:
+		return 0x0098;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_WINDOW_SKIP_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0034;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		BUG();
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_TABLE_BA_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0038;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		BUG();
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_FIR_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0024;
+	case OMAP_DSS_VIDEO3:
+		return 0x0090;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_FIR2_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0580;
+	case OMAP_DSS_VIDEO2:
+		return 0x055C;
+	case OMAP_DSS_VIDEO3:
+		return 0x0424;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_PIC_SIZE_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0028;
+	case OMAP_DSS_VIDEO3:
+		return 0x0094;
+	default:
+		BUG();
+	}
+}
+
+
+static inline u16 DISPC_ACCU0_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x002C;
+	case OMAP_DSS_VIDEO3:
+		return 0x0000;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_ACCU2_0_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0584;
+	case OMAP_DSS_VIDEO2:
+		return 0x0560;
+	case OMAP_DSS_VIDEO3:
+		return 0x0428;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_ACCU1_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0030;
+	case OMAP_DSS_VIDEO3:
+		return 0x0004;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_ACCU2_1_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0588;
+	case OMAP_DSS_VIDEO2:
+		return 0x0564;
+	case OMAP_DSS_VIDEO3:
+		return 0x042C;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_H_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0034 + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+		return 0x0010 + i * 0x8;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_H2_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x058C + i * 0x8;
+	case OMAP_DSS_VIDEO2:
+		return 0x0568 + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+		return 0x0430 + i * 0x8;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_HV_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0038 + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+		return 0x0014 + i * 0x8;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_HV2_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0590 + i * 8;
+	case OMAP_DSS_VIDEO2:
+		return 0x056C + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+		return 0x0434 + i * 0x8;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4,} */
+static inline u16 DISPC_CONV_COEF_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		return 0x0074 + i * 0x4;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_V_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x0124 + i * 0x4;
+	case OMAP_DSS_VIDEO2:
+		return 0x00B4 + i * 0x4;
+	case OMAP_DSS_VIDEO3:
+		return 0x0050 + i * 0x4;
+	default:
+		BUG();
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_V2_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+	case OMAP_DSS_VIDEO1:
+		return 0x05CC + i * 0x4;
+	case OMAP_DSS_VIDEO2:
+		return 0x05A8 + i * 0x4;
+	case OMAP_DSS_VIDEO3:
+		return 0x0470 + i * 0x4;
+	default:
+		BUG();
+	}
+}
+
+static inline u16 DISPC_PRELOAD_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x01AC;
+	case OMAP_DSS_VIDEO1:
+		return 0x0174;
+	case OMAP_DSS_VIDEO2:
+		return 0x00E8;
+	case OMAP_DSS_VIDEO3:
+		return 0x00A0;
+	default:
+		BUG();
+	}
+}
+#endif
diff --git a/drivers/video/omap2/dss/dispc_coefs.c b/drivers/video/omap2/dss/dispc_coefs.c
new file mode 100644
index 00000000..038c15b0
--- /dev/null
+++ b/drivers/video/omap2/dss/dispc_coefs.c
@@ -0,0 +1,325 @@
+/*
+ * linux/drivers/video/omap2/dss/dispc_coefs.c
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Chandrabhanu Mahapatra <cmahapatra@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <video/omapdss.h>
+
+#include "dispc.h"
+
+static const struct dispc_coef coef3_M8[8] = {
+	{ 0,  0, 128,  0, 0 },
+	{ 0, -4, 123,  9, 0 },
+	{ 0, -4, 108, 24, 0 },
+	{ 0, -2,  87, 43, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 43,  87, -2, 0 },
+	{ 0, 24, 108, -4, 0 },
+	{ 0,  9, 123, -4, 0 },
+};
+
+static const struct dispc_coef coef3_M9[8] = {
+	{ 0,  6, 116,  6, 0 },
+	{ 0,  0, 112, 16, 0 },
+	{ 0, -2, 100, 30, 0 },
+	{ 0, -2,  83, 47, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 47,  83, -2, 0 },
+	{ 0, 30, 100, -2, 0 },
+	{ 0, 16, 112,  0, 0 },
+};
+
+static const struct dispc_coef coef3_M10[8] = {
+	{ 0, 10, 108, 10, 0 },
+	{ 0,  3, 104, 21, 0 },
+	{ 0,  0,  94, 34, 0 },
+	{ 0, -1,  80, 49, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 49,  80, -1, 0 },
+	{ 0, 34,  94,  0, 0 },
+	{ 0, 21, 104,  3, 0 },
+};
+
+static const struct dispc_coef coef3_M11[8] = {
+	{ 0, 14, 100, 14, 0 },
+	{ 0,  6,  98, 24, 0 },
+	{ 0,  2,  90, 36, 0 },
+	{ 0,  0,  78, 50, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 50,  78,  0, 0 },
+	{ 0, 36,  90,  2, 0 },
+	{ 0, 24,  98,  6, 0 },
+};
+
+static const struct dispc_coef coef3_M12[8] = {
+	{ 0, 16,  96, 16, 0 },
+	{ 0,  9,  93, 26, 0 },
+	{ 0,  4,  86, 38, 0 },
+	{ 0,  1,  76, 51, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 51,  76,  1, 0 },
+	{ 0, 38,  86,  4, 0 },
+	{ 0, 26,  93,  9, 0 },
+};
+
+static const struct dispc_coef coef3_M13[8] = {
+	{ 0, 18,  92, 18, 0 },
+	{ 0, 10,  90, 28, 0 },
+	{ 0,  5,  83, 40, 0 },
+	{ 0,  1,  75, 52, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 52,  75,  1, 0 },
+	{ 0, 40,  83,  5, 0 },
+	{ 0, 28,  90, 10, 0 },
+};
+
+static const struct dispc_coef coef3_M14[8] = {
+	{ 0, 20, 88, 20, 0 },
+	{ 0, 12, 86, 30, 0 },
+	{ 0,  6, 81, 41, 0 },
+	{ 0,  2, 74, 52, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 52, 74,  2, 0 },
+	{ 0, 41, 81,  6, 0 },
+	{ 0, 30, 86, 12, 0 },
+};
+
+static const struct dispc_coef coef3_M16[8] = {
+	{ 0, 22, 84, 22, 0 },
+	{ 0, 14, 82, 32, 0 },
+	{ 0,  8, 78, 42, 0 },
+	{ 0,  3, 72, 53, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 53, 72,  3, 0 },
+	{ 0, 42, 78,  8, 0 },
+	{ 0, 32, 82, 14, 0 },
+};
+
+static const struct dispc_coef coef3_M19[8] = {
+	{ 0, 24, 80, 24, 0 },
+	{ 0, 16, 79, 33, 0 },
+	{ 0,  9, 76, 43, 0 },
+	{ 0,  4, 70, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 70,  4, 0 },
+	{ 0, 43, 76,  9, 0 },
+	{ 0, 33, 79, 16, 0 },
+};
+
+static const struct dispc_coef coef3_M22[8] = {
+	{ 0, 25, 78, 25, 0 },
+	{ 0, 17, 77, 34, 0 },
+	{ 0, 10, 74, 44, 0 },
+	{ 0,  5, 69, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 69,  5, 0 },
+	{ 0, 44, 74, 10, 0 },
+	{ 0, 34, 77, 17, 0 },
+};
+
+static const struct dispc_coef coef3_M26[8] = {
+	{ 0, 26, 76, 26, 0 },
+	{ 0, 19, 74, 35, 0 },
+	{ 0, 11, 72, 45, 0 },
+	{ 0,  5, 69, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 69,  5, 0 },
+	{ 0, 45, 72, 11, 0 },
+	{ 0, 35, 74, 19, 0 },
+};
+
+static const struct dispc_coef coef3_M32[8] = {
+	{ 0, 27, 74, 27, 0 },
+	{ 0, 19, 73, 36, 0 },
+	{ 0, 12, 71, 45, 0 },
+	{ 0,  6, 68, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 68,  6, 0 },
+	{ 0, 45, 71, 12, 0 },
+	{ 0, 36, 73, 19, 0 },
+};
+
+static const struct dispc_coef coef5_M8[8] = {
+	{   0,   0, 128,   0,   0 },
+	{  -2,  14, 125, -10,   1 },
+	{  -6,  33, 114, -15,   2 },
+	{ -10,  55,  98, -16,   1 },
+	{   0, -14,  78,  78, -14 },
+	{   1, -16,  98,  55, -10 },
+	{   2, -15, 114,  33,  -6 },
+	{   1, -10, 125,  14,  -2 },
+};
+
+static const struct dispc_coef coef5_M9[8] = {
+	{  -3,  10, 114,  10,  -3 },
+	{  -6,  24, 111,   0,  -1 },
+	{  -8,  40, 103,  -7,   0 },
+	{ -11,  58,  91, -11,   1 },
+	{   0, -12,  76,  76, -12 },
+	{   1, -11,  91,  58, -11 },
+	{   0,  -7, 103,  40,  -8 },
+	{  -1,   0, 111,  24,  -6 },
+};
+
+static const struct dispc_coef coef5_M10[8] = {
+	{  -4,  18, 100,  18,  -4 },
+	{  -6,  30,  99,   8,  -3 },
+	{  -8,  44,  93,   0,  -1 },
+	{  -9,  58,  84,  -5,   0 },
+	{   0,  -8,  72,  72,  -8 },
+	{   0,  -5,  84,  58,  -9 },
+	{  -1,   0,  93,  44,  -8 },
+	{  -3,   8,  99,  30,  -6 },
+};
+
+static const struct dispc_coef coef5_M11[8] = {
+	{  -5,  23,  92,  23,  -5 },
+	{  -6,  34,  90,  13,  -3 },
+	{  -6,  45,  85,   6,  -2 },
+	{  -6,  57,  78,   0,  -1 },
+	{   0,  -4,  68,  68,  -4 },
+	{  -1,   0,  78,  57,  -6 },
+	{  -2,   6,  85,  45,  -6 },
+	{  -3,  13,  90,  34,  -6 },
+};
+
+static const struct dispc_coef coef5_M12[8] = {
+	{  -4,  26,  84,  26,  -4 },
+	{  -5,  36,  82,  18,  -3 },
+	{  -4,  46,  78,  10,  -2 },
+	{  -3,  55,  72,   5,  -1 },
+	{   0,   0,  64,  64,   0 },
+	{  -1,   5,  72,  55,  -3 },
+	{  -2,  10,  78,  46,  -4 },
+	{  -3,  18,  82,  36,  -5 },
+};
+
+static const struct dispc_coef coef5_M13[8] = {
+	{  -3,  28,  78,  28,  -3 },
+	{  -3,  37,  76,  21,  -3 },
+	{  -2,  45,  73,  14,  -2 },
+	{   0,  53,  68,   8,  -1 },
+	{   0,   3,  61,  61,   3 },
+	{  -1,   8,  68,  53,   0 },
+	{  -2,  14,  73,  45,  -2 },
+	{  -3,  21,  76,  37,  -3 },
+};
+
+static const struct dispc_coef coef5_M14[8] = {
+	{  -2,  30,  72,  30,  -2 },
+	{  -1,  37,  71,  23,  -2 },
+	{   0,  45,  69,  16,  -2 },
+	{   3,  52,  64,  10,  -1 },
+	{   0,   6,  58,  58,   6 },
+	{  -1,  10,  64,  52,   3 },
+	{  -2,  16,  69,  45,   0 },
+	{  -2,  23,  71,  37,  -1 },
+};
+
+static const struct dispc_coef coef5_M16[8] = {
+	{   0,  31,  66,  31,   0 },
+	{   1,  38,  65,  25,  -1 },
+	{   3,  44,  62,  20,  -1 },
+	{   6,  49,  59,  14,   0 },
+	{   0,  10,  54,  54,  10 },
+	{   0,  14,  59,  49,   6 },
+	{  -1,  20,  62,  44,   3 },
+	{  -1,  25,  65,  38,   1 },
+};
+
+static const struct dispc_coef coef5_M19[8] = {
+	{   3,  32,  58,  32,   3 },
+	{   4,  38,  58,  27,   1 },
+	{   7,  42,  55,  23,   1 },
+	{  10,  46,  54,  18,   0 },
+	{   0,  14,  50,  50,  14 },
+	{   0,  18,  54,  46,  10 },
+	{   1,  23,  55,  42,   7 },
+	{   1,  27,  58,  38,   4 },
+};
+
+static const struct dispc_coef coef5_M22[8] = {
+	{   4,  33,  54,  33,   4 },
+	{   6,  37,  54,  28,   3 },
+	{   9,  41,  53,  24,   1 },
+	{  12,  45,  51,  20,   0 },
+	{   0,  16,  48,  48,  16 },
+	{   0,  20,  51,  45,  12 },
+	{   1,  24,  53,  41,   9 },
+	{   3,  28,  54,  37,   6 },
+};
+
+static const struct dispc_coef coef5_M26[8] = {
+	{   6,  33,  50,  33,   6 },
+	{   8,  36,  51,  29,   4 },
+	{  11,  40,  50,  25,   2 },
+	{  14,  43,  48,  22,   1 },
+	{   0,  18,  46,  46,  18 },
+	{   1,  22,  48,  43,  14 },
+	{   2,  25,  50,  40,  11 },
+	{   4,  29,  51,  36,   8 },
+};
+
+static const struct dispc_coef coef5_M32[8] = {
+	{   7,  33,  48,  33,   7 },
+	{  10,  36,  48,  29,   5 },
+	{  13,  39,  47,  26,   3 },
+	{  16,  42,  46,  23,   1 },
+	{   0,  19,  45,  45,  19 },
+	{   1,  23,  46,  42,  16 },
+	{   3,  26,  47,  39,  13 },
+	{   5,  29,  48,  36,  10 },
+};
+
+const struct dispc_coef *dispc_ovl_get_scale_coef(int inc, int five_taps)
+{
+	int i;
+	static const struct {
+		int Mmin;
+		int Mmax;
+		const struct dispc_coef *coef_3;
+		const struct dispc_coef *coef_5;
+	} coefs[] = {
+		{ 27, 32, coef3_M32, coef5_M32 },
+		{ 23, 26, coef3_M26, coef5_M26 },
+		{ 20, 22, coef3_M22, coef5_M22 },
+		{ 17, 19, coef3_M19, coef5_M19 },
+		{ 15, 16, coef3_M16, coef5_M16 },
+		{ 14, 14, coef3_M14, coef5_M14 },
+		{ 13, 13, coef3_M13, coef5_M13 },
+		{ 12, 12, coef3_M12, coef5_M12 },
+		{ 11, 11, coef3_M11, coef5_M11 },
+		{ 10, 10, coef3_M10, coef5_M10 },
+		{  9,  9,  coef3_M9,  coef5_M9 },
+		{  4,  8,  coef3_M8,  coef5_M8 },
+		/*
+		 * When upscaling more than two times, blockiness and outlines
+		 * around the image are observed when M8 tables are used. M11,
+		 * M16 and M19 tables are used to prevent this.
+		 */
+		{  3,  3, coef3_M11, coef5_M11 },
+		{  2,  2, coef3_M16, coef5_M16 },
+		{  0,  1, coef3_M19, coef5_M19 },
+	};
+
+	inc /= 128;
+	for (i = 0; i < ARRAY_SIZE(coefs); ++i)
+		if (inc >= coefs[i].Mmin && inc <= coefs[i].Mmax)
+			return five_taps ? coefs[i].coef_5 : coefs[i].coef_3;
+	return NULL;
+}
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
new file mode 100644
index 00000000..4424c198
--- /dev/null
+++ b/drivers/video/omap2/dss/display.c
@@ -0,0 +1,576 @@
+/*
+ * linux/drivers/video/omap2/dss/display.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "DISPLAY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+
+#include <video/omapdss.h>
+#include "dss.h"
+#include "dss_features.h"
+
+static ssize_t display_enabled_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	bool enabled = dssdev->state != OMAP_DSS_DISPLAY_DISABLED;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", enabled);
+}
+
+static ssize_t display_enabled_store(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	int r;
+	bool enabled;
+
+	r = strtobool(buf, &enabled);
+	if (r)
+		return r;
+
+	if (enabled != (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)) {
+		if (enabled) {
+			r = dssdev->driver->enable(dssdev);
+			if (r)
+				return r;
+		} else {
+			dssdev->driver->disable(dssdev);
+		}
+	}
+
+	return size;
+}
+
+static ssize_t display_tear_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			dssdev->driver->get_te ?
+			dssdev->driver->get_te(dssdev) : 0);
+}
+
+static ssize_t display_tear_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	int r;
+	bool te;
+
+	if (!dssdev->driver->enable_te || !dssdev->driver->get_te)
+		return -ENOENT;
+
+	r = strtobool(buf, &te);
+	if (r)
+		return r;
+
+	r = dssdev->driver->enable_te(dssdev, te);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_timings_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct omap_video_timings t;
+
+	if (!dssdev->driver->get_timings)
+		return -ENOENT;
+
+	dssdev->driver->get_timings(dssdev, &t);
+
+	return snprintf(buf, PAGE_SIZE, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n",
+			t.pixel_clock,
+			t.x_res, t.hfp, t.hbp, t.hsw,
+			t.y_res, t.vfp, t.vbp, t.vsw);
+}
+
+static ssize_t display_timings_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	struct omap_video_timings t;
+	int r, found;
+
+	if (!dssdev->driver->set_timings || !dssdev->driver->check_timings)
+		return -ENOENT;
+
+	found = 0;
+#ifdef CONFIG_OMAP2_DSS_VENC
+	if (strncmp("pal", buf, 3) == 0) {
+		t = omap_dss_pal_timings;
+		found = 1;
+	} else if (strncmp("ntsc", buf, 4) == 0) {
+		t = omap_dss_ntsc_timings;
+		found = 1;
+	}
+#endif
+	if (!found && sscanf(buf, "%u,%hu/%hu/%hu/%hu,%hu/%hu/%hu/%hu",
+				&t.pixel_clock,
+				&t.x_res, &t.hfp, &t.hbp, &t.hsw,
+				&t.y_res, &t.vfp, &t.vbp, &t.vsw) != 9)
+		return -EINVAL;
+
+	r = dssdev->driver->check_timings(dssdev, &t);
+	if (r)
+		return r;
+
+	dssdev->driver->set_timings(dssdev, &t);
+
+	return size;
+}
+
+static ssize_t display_rotate_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	int rotate;
+	if (!dssdev->driver->get_rotate)
+		return -ENOENT;
+	rotate = dssdev->driver->get_rotate(dssdev);
+	return snprintf(buf, PAGE_SIZE, "%u\n", rotate);
+}
+
+static ssize_t display_rotate_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	int rot, r;
+
+	if (!dssdev->driver->set_rotate || !dssdev->driver->get_rotate)
+		return -ENOENT;
+
+	r = kstrtoint(buf, 0, &rot);
+	if (r)
+		return r;
+
+	r = dssdev->driver->set_rotate(dssdev, rot);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_mirror_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	int mirror;
+	if (!dssdev->driver->get_mirror)
+		return -ENOENT;
+	mirror = dssdev->driver->get_mirror(dssdev);
+	return snprintf(buf, PAGE_SIZE, "%u\n", mirror);
+}
+
+static ssize_t display_mirror_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	int r;
+	bool mirror;
+
+	if (!dssdev->driver->set_mirror || !dssdev->driver->get_mirror)
+		return -ENOENT;
+
+	r = strtobool(buf, &mirror);
+	if (r)
+		return r;
+
+	r = dssdev->driver->set_mirror(dssdev, mirror);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_wss_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	unsigned int wss;
+
+	if (!dssdev->driver->get_wss)
+		return -ENOENT;
+
+	wss = dssdev->driver->get_wss(dssdev);
+
+	return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss);
+}
+
+static ssize_t display_wss_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	u32 wss;
+	int r;
+
+	if (!dssdev->driver->get_wss || !dssdev->driver->set_wss)
+		return -ENOENT;
+
+	r = kstrtou32(buf, 0, &wss);
+	if (r)
+		return r;
+
+	if (wss > 0xfffff)
+		return -EINVAL;
+
+	r = dssdev->driver->set_wss(dssdev, wss);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static DEVICE_ATTR(enabled, S_IRUGO|S_IWUSR,
+		display_enabled_show, display_enabled_store);
+static DEVICE_ATTR(tear_elim, S_IRUGO|S_IWUSR,
+		display_tear_show, display_tear_store);
+static DEVICE_ATTR(timings, S_IRUGO|S_IWUSR,
+		display_timings_show, display_timings_store);
+static DEVICE_ATTR(rotate, S_IRUGO|S_IWUSR,
+		display_rotate_show, display_rotate_store);
+static DEVICE_ATTR(mirror, S_IRUGO|S_IWUSR,
+		display_mirror_show, display_mirror_store);
+static DEVICE_ATTR(wss, S_IRUGO|S_IWUSR,
+		display_wss_show, display_wss_store);
+
+static struct device_attribute *display_sysfs_attrs[] = {
+	&dev_attr_enabled,
+	&dev_attr_tear_elim,
+	&dev_attr_timings,
+	&dev_attr_rotate,
+	&dev_attr_mirror,
+	&dev_attr_wss,
+	NULL
+};
+
+void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
+			u16 *xres, u16 *yres)
+{
+	*xres = dssdev->panel.timings.x_res;
+	*yres = dssdev->panel.timings.y_res;
+}
+EXPORT_SYMBOL(omapdss_default_get_resolution);
+
+int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
+{
+	switch (dssdev->type) {
+	case OMAP_DISPLAY_TYPE_DPI:
+		if (dssdev->phy.dpi.data_lines == 24)
+			return 24;
+		else
+			return 16;
+
+	case OMAP_DISPLAY_TYPE_DBI:
+		if (dssdev->ctrl.pixel_size == 24)
+			return 24;
+		else
+			return 16;
+	case OMAP_DISPLAY_TYPE_DSI:
+		if (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) > 16)
+			return 24;
+		else
+			return 16;
+	case OMAP_DISPLAY_TYPE_VENC:
+	case OMAP_DISPLAY_TYPE_SDI:
+	case OMAP_DISPLAY_TYPE_HDMI:
+		return 24;
+	default:
+		BUG();
+	}
+}
+EXPORT_SYMBOL(omapdss_default_get_recommended_bpp);
+
+/* Checks if replication logic should be used. Only use for active matrix,
+ * when overlay is in RGB12U or RGB16 mode, and LCD interface is
+ * 18bpp or 24bpp */
+bool dss_use_replication(struct omap_dss_device *dssdev,
+		enum omap_color_mode mode)
+{
+	int bpp;
+
+	if (mode != OMAP_DSS_COLOR_RGB12U && mode != OMAP_DSS_COLOR_RGB16)
+		return false;
+
+	if (dssdev->type == OMAP_DISPLAY_TYPE_DPI &&
+			(dssdev->panel.config & OMAP_DSS_LCD_TFT) == 0)
+		return false;
+
+	switch (dssdev->type) {
+	case OMAP_DISPLAY_TYPE_DPI:
+		bpp = dssdev->phy.dpi.data_lines;
+		break;
+	case OMAP_DISPLAY_TYPE_HDMI:
+	case OMAP_DISPLAY_TYPE_VENC:
+	case OMAP_DISPLAY_TYPE_SDI:
+		bpp = 24;
+		break;
+	case OMAP_DISPLAY_TYPE_DBI:
+		bpp = dssdev->ctrl.pixel_size;
+		break;
+	case OMAP_DISPLAY_TYPE_DSI:
+		bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+		break;
+	default:
+		BUG();
+	}
+
+	return bpp > 16;
+}
+
+void dss_init_device(struct platform_device *pdev,
+		struct omap_dss_device *dssdev)
+{
+	struct device_attribute *attr;
+	int i;
+	int r;
+
+	switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
+	case OMAP_DISPLAY_TYPE_DPI:
+		r = dpi_init_display(dssdev);
+		break;
+#endif
+#ifdef CONFIG_OMAP2_DSS_RFBI
+	case OMAP_DISPLAY_TYPE_DBI:
+		r = rfbi_init_display(dssdev);
+		break;
+#endif
+#ifdef CONFIG_OMAP2_DSS_VENC
+	case OMAP_DISPLAY_TYPE_VENC:
+		r = venc_init_display(dssdev);
+		break;
+#endif
+#ifdef CONFIG_OMAP2_DSS_SDI
+	case OMAP_DISPLAY_TYPE_SDI:
+		r = sdi_init_display(dssdev);
+		break;
+#endif
+#ifdef CONFIG_OMAP2_DSS_DSI
+	case OMAP_DISPLAY_TYPE_DSI:
+		r = dsi_init_display(dssdev);
+		break;
+#endif
+	case OMAP_DISPLAY_TYPE_HDMI:
+		r = hdmi_init_display(dssdev);
+		break;
+	default:
+		DSSERR("Support for display '%s' not compiled in.\n",
+				dssdev->name);
+		return;
+	}
+
+	if (r) {
+		DSSERR("failed to init display %s\n", dssdev->name);
+		return;
+	}
+
+	/* create device sysfs files */
+	i = 0;
+	while ((attr = display_sysfs_attrs[i++]) != NULL) {
+		r = device_create_file(&dssdev->dev, attr);
+		if (r)
+			DSSERR("failed to create sysfs file\n");
+	}
+
+	/* create display? sysfs links */
+	r = sysfs_create_link(&pdev->dev.kobj, &dssdev->dev.kobj,
+			dev_name(&dssdev->dev));
+	if (r)
+		DSSERR("failed to create sysfs display link\n");
+}
+
+void dss_uninit_device(struct platform_device *pdev,
+		struct omap_dss_device *dssdev)
+{
+	struct device_attribute *attr;
+	int i = 0;
+
+	sysfs_remove_link(&pdev->dev.kobj, dev_name(&dssdev->dev));
+
+	while ((attr = display_sysfs_attrs[i++]) != NULL)
+		device_remove_file(&dssdev->dev, attr);
+
+	if (dssdev->manager)
+		dssdev->manager->unset_device(dssdev->manager);
+}
+
+static int dss_suspend_device(struct device *dev, void *data)
+{
+	int r;
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		dssdev->activate_after_resume = false;
+		return 0;
+	}
+
+	if (!dssdev->driver->suspend) {
+		DSSERR("display '%s' doesn't implement suspend\n",
+				dssdev->name);
+		return -ENOSYS;
+	}
+
+	r = dssdev->driver->suspend(dssdev);
+	if (r)
+		return r;
+
+	dssdev->activate_after_resume = true;
+
+	return 0;
+}
+
+int dss_suspend_all_devices(void)
+{
+	int r;
+	struct bus_type *bus = dss_get_bus();
+
+	r = bus_for_each_dev(bus, NULL, NULL, dss_suspend_device);
+	if (r) {
+		/* resume all displays that were suspended */
+		dss_resume_all_devices();
+		return r;
+	}
+
+	return 0;
+}
+
+static int dss_resume_device(struct device *dev, void *data)
+{
+	int r;
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+
+	if (dssdev->activate_after_resume && dssdev->driver->resume) {
+		r = dssdev->driver->resume(dssdev);
+		if (r)
+			return r;
+	}
+
+	dssdev->activate_after_resume = false;
+
+	return 0;
+}
+
+int dss_resume_all_devices(void)
+{
+	struct bus_type *bus = dss_get_bus();
+
+	return bus_for_each_dev(bus, NULL, NULL, dss_resume_device);
+}
+
+static int dss_disable_device(struct device *dev, void *data)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
+		dssdev->driver->disable(dssdev);
+
+	return 0;
+}
+
+void dss_disable_all_devices(void)
+{
+	struct bus_type *bus = dss_get_bus();
+	bus_for_each_dev(bus, NULL, NULL, dss_disable_device);
+}
+
+
+void omap_dss_get_device(struct omap_dss_device *dssdev)
+{
+	get_device(&dssdev->dev);
+}
+EXPORT_SYMBOL(omap_dss_get_device);
+
+void omap_dss_put_device(struct omap_dss_device *dssdev)
+{
+	put_device(&dssdev->dev);
+}
+EXPORT_SYMBOL(omap_dss_put_device);
+
+/* ref count of the found device is incremented. ref count
+ * of from-device is decremented. */
+struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from)
+{
+	struct device *dev;
+	struct device *dev_start = NULL;
+	struct omap_dss_device *dssdev = NULL;
+
+	int match(struct device *dev, void *data)
+	{
+		return 1;
+	}
+
+	if (from)
+		dev_start = &from->dev;
+	dev = bus_find_device(dss_get_bus(), dev_start, NULL, match);
+	if (dev)
+		dssdev = to_dss_device(dev);
+	if (from)
+		put_device(&from->dev);
+
+	return dssdev;
+}
+EXPORT_SYMBOL(omap_dss_get_next_device);
+
+struct omap_dss_device *omap_dss_find_device(void *data,
+		int (*match)(struct omap_dss_device *dssdev, void *data))
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	while ((dssdev = omap_dss_get_next_device(dssdev)) != NULL) {
+		if (match(dssdev, data))
+			return dssdev;
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_device);
+
+int omap_dss_start_device(struct omap_dss_device *dssdev)
+{
+	if (!dssdev->driver) {
+		DSSDBG("no driver\n");
+		return -ENODEV;
+	}
+
+	if (!try_module_get(dssdev->dev.driver->owner)) {
+		return -ENODEV;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_dss_start_device);
+
+void omap_dss_stop_device(struct omap_dss_device *dssdev)
+{
+	module_put(dssdev->dev.driver->owner);
+}
+EXPORT_SYMBOL(omap_dss_stop_device);
+
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
new file mode 100644
index 00000000..faaf305f
--- /dev/null
+++ b/drivers/video/omap2/dss/dpi.c
@@ -0,0 +1,389 @@
+/*
+ * linux/drivers/video/omap2/dss/dpi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "DPI"
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/omapdss.h>
+#include <plat/cpu.h>
+
+#include "dss.h"
+
+static struct {
+	struct regulator *vdds_dsi_reg;
+	struct platform_device *dsidev;
+} dpi;
+
+static struct platform_device *dpi_get_dsidev(enum omap_dss_clk_source clk)
+{
+	int dsi_module;
+
+	dsi_module = clk == OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC ? 0 : 1;
+
+	return dsi_get_dsidev_from_id(dsi_module);
+}
+
+static bool dpi_use_dsi_pll(struct omap_dss_device *dssdev)
+{
+	if (dssdev->clocks.dispc.dispc_fclk_src ==
+			OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC ||
+			dssdev->clocks.dispc.dispc_fclk_src ==
+			OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC ||
+			dssdev->clocks.dispc.channel.lcd_clk_src ==
+			OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC ||
+			dssdev->clocks.dispc.channel.lcd_clk_src ==
+			OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC)
+		return true;
+	else
+		return false;
+}
+
+static int dpi_set_dsi_clk(struct omap_dss_device *dssdev, bool is_tft,
+		unsigned long pck_req, unsigned long *fck, int *lck_div,
+		int *pck_div)
+{
+	struct dsi_clock_info dsi_cinfo;
+	struct dispc_clock_info dispc_cinfo;
+	int r;
+
+	r = dsi_pll_calc_clock_div_pck(dpi.dsidev, is_tft, pck_req,
+			&dsi_cinfo, &dispc_cinfo);
+	if (r)
+		return r;
+
+	r = dsi_pll_set_clock_div(dpi.dsidev, &dsi_cinfo);
+	if (r)
+		return r;
+
+	dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
+
+	r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
+	if (r) {
+		dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
+		return r;
+	}
+
+	*fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
+	*lck_div = dispc_cinfo.lck_div;
+	*pck_div = dispc_cinfo.pck_div;
+
+	return 0;
+}
+
+static int dpi_set_dispc_clk(struct omap_dss_device *dssdev, bool is_tft,
+		unsigned long pck_req, unsigned long *fck, int *lck_div,
+		int *pck_div)
+{
+	struct dss_clock_info dss_cinfo;
+	struct dispc_clock_info dispc_cinfo;
+	int r;
+
+	r = dss_calc_clock_div(is_tft, pck_req, &dss_cinfo, &dispc_cinfo);
+	if (r)
+		return r;
+
+	r = dss_set_clock_div(&dss_cinfo);
+	if (r)
+		return r;
+
+	r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
+	if (r)
+		return r;
+
+	*fck = dss_cinfo.fck;
+	*lck_div = dispc_cinfo.lck_div;
+	*pck_div = dispc_cinfo.pck_div;
+
+	return 0;
+}
+
+static int dpi_set_mode(struct omap_dss_device *dssdev)
+{
+	struct omap_video_timings *t = &dssdev->panel.timings;
+	int lck_div = 0, pck_div = 0;
+	unsigned long fck = 0;
+	unsigned long pck;
+	bool is_tft;
+	int r = 0;
+
+	dispc_mgr_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
+			dssdev->panel.acbi, dssdev->panel.acb);
+
+	is_tft = (dssdev->panel.config & OMAP_DSS_LCD_TFT) != 0;
+
+	if (dpi_use_dsi_pll(dssdev))
+		r = dpi_set_dsi_clk(dssdev, is_tft, t->pixel_clock * 1000,
+				&fck, &lck_div, &pck_div);
+	else
+		r = dpi_set_dispc_clk(dssdev, is_tft, t->pixel_clock * 1000,
+				&fck, &lck_div, &pck_div);
+	if (r)
+		return r;
+
+	pck = fck / lck_div / pck_div / 1000;
+
+	if (pck != t->pixel_clock) {
+		DSSWARN("Could not find exact pixel clock. "
+				"Requested %d kHz, got %lu kHz\n",
+				t->pixel_clock, pck);
+
+		t->pixel_clock = pck;
+	}
+
+	dispc_mgr_set_lcd_timings(dssdev->manager->id, t);
+
+	return 0;
+}
+
+static void dpi_basic_init(struct omap_dss_device *dssdev)
+{
+	bool is_tft;
+
+	is_tft = (dssdev->panel.config & OMAP_DSS_LCD_TFT) != 0;
+
+	dispc_mgr_set_io_pad_mode(DSS_IO_PAD_MODE_BYPASS);
+	dispc_mgr_enable_stallmode(dssdev->manager->id, false);
+
+	dispc_mgr_set_lcd_display_type(dssdev->manager->id, is_tft ?
+			OMAP_DSS_LCD_DISPLAY_TFT : OMAP_DSS_LCD_DISPLAY_STN);
+	dispc_mgr_set_tft_data_lines(dssdev->manager->id,
+			dssdev->phy.dpi.data_lines);
+}
+
+int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
+		DSSERR("no VDSS_DSI regulator\n");
+		return -ENODEV;
+	}
+
+	if (dssdev->manager == NULL) {
+		DSSERR("failed to enable display: no manager\n");
+		return -ENODEV;
+	}
+
+	r = omap_dss_start_device(dssdev);
+	if (r) {
+		DSSERR("failed to start device\n");
+		goto err_start_dev;
+	}
+
+	if (cpu_is_omap34xx()) {
+		r = regulator_enable(dpi.vdds_dsi_reg);
+		if (r)
+			goto err_reg_enable;
+	}
+
+	r = dss_runtime_get();
+	if (r)
+		goto err_get_dss;
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_get_dispc;
+
+	dpi_basic_init(dssdev);
+
+	if (dpi_use_dsi_pll(dssdev)) {
+		r = dsi_runtime_get(dpi.dsidev);
+		if (r)
+			goto err_get_dsi;
+
+		r = dsi_pll_init(dpi.dsidev, 0, 1);
+		if (r)
+			goto err_dsi_pll_init;
+	}
+
+	r = dpi_set_mode(dssdev);
+	if (r)
+		goto err_set_mode;
+
+	mdelay(2);
+
+	r = dss_mgr_enable(dssdev->manager);
+	if (r)
+		goto err_mgr_enable;
+
+	return 0;
+
+err_mgr_enable:
+err_set_mode:
+	if (dpi_use_dsi_pll(dssdev))
+		dsi_pll_uninit(dpi.dsidev, true);
+err_dsi_pll_init:
+	if (dpi_use_dsi_pll(dssdev))
+		dsi_runtime_put(dpi.dsidev);
+err_get_dsi:
+	dispc_runtime_put();
+err_get_dispc:
+	dss_runtime_put();
+err_get_dss:
+	if (cpu_is_omap34xx())
+		regulator_disable(dpi.vdds_dsi_reg);
+err_reg_enable:
+	omap_dss_stop_device(dssdev);
+err_start_dev:
+	return r;
+}
+EXPORT_SYMBOL(omapdss_dpi_display_enable);
+
+void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
+{
+	dss_mgr_disable(dssdev->manager);
+
+	if (dpi_use_dsi_pll(dssdev)) {
+		dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
+		dsi_pll_uninit(dpi.dsidev, true);
+		dsi_runtime_put(dpi.dsidev);
+	}
+
+	dispc_runtime_put();
+	dss_runtime_put();
+
+	if (cpu_is_omap34xx())
+		regulator_disable(dpi.vdds_dsi_reg);
+
+	omap_dss_stop_device(dssdev);
+}
+EXPORT_SYMBOL(omapdss_dpi_display_disable);
+
+void dpi_set_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	int r;
+
+	DSSDBG("dpi_set_timings\n");
+	dssdev->panel.timings = *timings;
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		r = dss_runtime_get();
+		if (r)
+			return;
+
+		r = dispc_runtime_get();
+		if (r) {
+			dss_runtime_put();
+			return;
+		}
+
+		dpi_set_mode(dssdev);
+		dispc_mgr_go(dssdev->manager->id);
+
+		dispc_runtime_put();
+		dss_runtime_put();
+	}
+}
+EXPORT_SYMBOL(dpi_set_timings);
+
+int dpi_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	bool is_tft;
+	int r;
+	int lck_div, pck_div;
+	unsigned long fck;
+	unsigned long pck;
+	struct dispc_clock_info dispc_cinfo;
+
+	if (!dispc_lcd_timings_ok(timings))
+		return -EINVAL;
+
+	if (timings->pixel_clock == 0)
+		return -EINVAL;
+
+	is_tft = (dssdev->panel.config & OMAP_DSS_LCD_TFT) != 0;
+
+	if (dpi_use_dsi_pll(dssdev)) {
+		struct dsi_clock_info dsi_cinfo;
+		r = dsi_pll_calc_clock_div_pck(dpi.dsidev, is_tft,
+				timings->pixel_clock * 1000,
+				&dsi_cinfo, &dispc_cinfo);
+
+		if (r)
+			return r;
+
+		fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
+	} else {
+		struct dss_clock_info dss_cinfo;
+		r = dss_calc_clock_div(is_tft, timings->pixel_clock * 1000,
+				&dss_cinfo, &dispc_cinfo);
+
+		if (r)
+			return r;
+
+		fck = dss_cinfo.fck;
+	}
+
+	lck_div = dispc_cinfo.lck_div;
+	pck_div = dispc_cinfo.pck_div;
+
+	pck = fck / lck_div / pck_div / 1000;
+
+	timings->pixel_clock = pck;
+
+	return 0;
+}
+EXPORT_SYMBOL(dpi_check_timings);
+
+int dpi_init_display(struct omap_dss_device *dssdev)
+{
+	DSSDBG("init_display\n");
+
+	if (cpu_is_omap34xx() && dpi.vdds_dsi_reg == NULL) {
+		struct regulator *vdds_dsi;
+
+		vdds_dsi = dss_get_vdds_dsi();
+
+		if (IS_ERR(vdds_dsi)) {
+			DSSERR("can't get VDDS_DSI regulator\n");
+			return PTR_ERR(vdds_dsi);
+		}
+
+		dpi.vdds_dsi_reg = vdds_dsi;
+	}
+
+	if (dpi_use_dsi_pll(dssdev)) {
+		enum omap_dss_clk_source dispc_fclk_src =
+			dssdev->clocks.dispc.dispc_fclk_src;
+		dpi.dsidev = dpi_get_dsidev(dispc_fclk_src);
+	}
+
+	return 0;
+}
+
+int dpi_init(void)
+{
+	return 0;
+}
+
+void dpi_exit(void)
+{
+}
+
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
new file mode 100644
index 00000000..662d14f8
--- /dev/null
+++ b/drivers/video/omap2/dss/dsi.c
@@ -0,0 +1,4864 @@
+/*
+ * linux/drivers/video/omap2/dss/dsi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "DSI"
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/semaphore.h>
+#include <linux/seq_file.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/debugfs.h>
+#include <linux/pm_runtime.h>
+
+#include <video/omapdss.h>
+#include <video/mipi_display.h>
+#include <plat/clock.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/*#define VERBOSE_IRQ*/
+#define DSI_CATCH_MISSING_TE
+
+struct dsi_reg { u16 idx; };
+
+#define DSI_REG(idx)		((const struct dsi_reg) { idx })
+
+#define DSI_SZ_REGS		SZ_1K
+/* DSI Protocol Engine */
+
+#define DSI_REVISION			DSI_REG(0x0000)
+#define DSI_SYSCONFIG			DSI_REG(0x0010)
+#define DSI_SYSSTATUS			DSI_REG(0x0014)
+#define DSI_IRQSTATUS			DSI_REG(0x0018)
+#define DSI_IRQENABLE			DSI_REG(0x001C)
+#define DSI_CTRL			DSI_REG(0x0040)
+#define DSI_GNQ				DSI_REG(0x0044)
+#define DSI_COMPLEXIO_CFG1		DSI_REG(0x0048)
+#define DSI_COMPLEXIO_IRQ_STATUS	DSI_REG(0x004C)
+#define DSI_COMPLEXIO_IRQ_ENABLE	DSI_REG(0x0050)
+#define DSI_CLK_CTRL			DSI_REG(0x0054)
+#define DSI_TIMING1			DSI_REG(0x0058)
+#define DSI_TIMING2			DSI_REG(0x005C)
+#define DSI_VM_TIMING1			DSI_REG(0x0060)
+#define DSI_VM_TIMING2			DSI_REG(0x0064)
+#define DSI_VM_TIMING3			DSI_REG(0x0068)
+#define DSI_CLK_TIMING			DSI_REG(0x006C)
+#define DSI_TX_FIFO_VC_SIZE		DSI_REG(0x0070)
+#define DSI_RX_FIFO_VC_SIZE		DSI_REG(0x0074)
+#define DSI_COMPLEXIO_CFG2		DSI_REG(0x0078)
+#define DSI_RX_FIFO_VC_FULLNESS		DSI_REG(0x007C)
+#define DSI_VM_TIMING4			DSI_REG(0x0080)
+#define DSI_TX_FIFO_VC_EMPTINESS	DSI_REG(0x0084)
+#define DSI_VM_TIMING5			DSI_REG(0x0088)
+#define DSI_VM_TIMING6			DSI_REG(0x008C)
+#define DSI_VM_TIMING7			DSI_REG(0x0090)
+#define DSI_STOPCLK_TIMING		DSI_REG(0x0094)
+#define DSI_VC_CTRL(n)			DSI_REG(0x0100 + (n * 0x20))
+#define DSI_VC_TE(n)			DSI_REG(0x0104 + (n * 0x20))
+#define DSI_VC_LONG_PACKET_HEADER(n)	DSI_REG(0x0108 + (n * 0x20))
+#define DSI_VC_LONG_PACKET_PAYLOAD(n)	DSI_REG(0x010C + (n * 0x20))
+#define DSI_VC_SHORT_PACKET_HEADER(n)	DSI_REG(0x0110 + (n * 0x20))
+#define DSI_VC_IRQSTATUS(n)		DSI_REG(0x0118 + (n * 0x20))
+#define DSI_VC_IRQENABLE(n)		DSI_REG(0x011C + (n * 0x20))
+
+/* DSIPHY_SCP */
+
+#define DSI_DSIPHY_CFG0			DSI_REG(0x200 + 0x0000)
+#define DSI_DSIPHY_CFG1			DSI_REG(0x200 + 0x0004)
+#define DSI_DSIPHY_CFG2			DSI_REG(0x200 + 0x0008)
+#define DSI_DSIPHY_CFG5			DSI_REG(0x200 + 0x0014)
+#define DSI_DSIPHY_CFG10		DSI_REG(0x200 + 0x0028)
+
+/* DSI_PLL_CTRL_SCP */
+
+#define DSI_PLL_CONTROL			DSI_REG(0x300 + 0x0000)
+#define DSI_PLL_STATUS			DSI_REG(0x300 + 0x0004)
+#define DSI_PLL_GO			DSI_REG(0x300 + 0x0008)
+#define DSI_PLL_CONFIGURATION1		DSI_REG(0x300 + 0x000C)
+#define DSI_PLL_CONFIGURATION2		DSI_REG(0x300 + 0x0010)
+
+#define REG_GET(dsidev, idx, start, end) \
+	FLD_GET(dsi_read_reg(dsidev, idx), start, end)
+
+#define REG_FLD_MOD(dsidev, idx, val, start, end) \
+	dsi_write_reg(dsidev, idx, FLD_MOD(dsi_read_reg(dsidev, idx), val, start, end))
+
+/* Global interrupts */
+#define DSI_IRQ_VC0		(1 << 0)
+#define DSI_IRQ_VC1		(1 << 1)
+#define DSI_IRQ_VC2		(1 << 2)
+#define DSI_IRQ_VC3		(1 << 3)
+#define DSI_IRQ_WAKEUP		(1 << 4)
+#define DSI_IRQ_RESYNC		(1 << 5)
+#define DSI_IRQ_PLL_LOCK	(1 << 7)
+#define DSI_IRQ_PLL_UNLOCK	(1 << 8)
+#define DSI_IRQ_PLL_RECALL	(1 << 9)
+#define DSI_IRQ_COMPLEXIO_ERR	(1 << 10)
+#define DSI_IRQ_HS_TX_TIMEOUT	(1 << 14)
+#define DSI_IRQ_LP_RX_TIMEOUT	(1 << 15)
+#define DSI_IRQ_TE_TRIGGER	(1 << 16)
+#define DSI_IRQ_ACK_TRIGGER	(1 << 17)
+#define DSI_IRQ_SYNC_LOST	(1 << 18)
+#define DSI_IRQ_LDO_POWER_GOOD	(1 << 19)
+#define DSI_IRQ_TA_TIMEOUT	(1 << 20)
+#define DSI_IRQ_ERROR_MASK \
+	(DSI_IRQ_HS_TX_TIMEOUT | DSI_IRQ_LP_RX_TIMEOUT | DSI_IRQ_SYNC_LOST | \
+	DSI_IRQ_TA_TIMEOUT | DSI_IRQ_SYNC_LOST)
+#define DSI_IRQ_CHANNEL_MASK	0xf
+
+/* Virtual channel interrupts */
+#define DSI_VC_IRQ_CS		(1 << 0)
+#define DSI_VC_IRQ_ECC_CORR	(1 << 1)
+#define DSI_VC_IRQ_PACKET_SENT	(1 << 2)
+#define DSI_VC_IRQ_FIFO_TX_OVF	(1 << 3)
+#define DSI_VC_IRQ_FIFO_RX_OVF	(1 << 4)
+#define DSI_VC_IRQ_BTA		(1 << 5)
+#define DSI_VC_IRQ_ECC_NO_CORR	(1 << 6)
+#define DSI_VC_IRQ_FIFO_TX_UDF	(1 << 7)
+#define DSI_VC_IRQ_PP_BUSY_CHANGE (1 << 8)
+#define DSI_VC_IRQ_ERROR_MASK \
+	(DSI_VC_IRQ_CS | DSI_VC_IRQ_ECC_CORR | DSI_VC_IRQ_FIFO_TX_OVF | \
+	DSI_VC_IRQ_FIFO_RX_OVF | DSI_VC_IRQ_ECC_NO_CORR | \
+	DSI_VC_IRQ_FIFO_TX_UDF)
+
+/* ComplexIO interrupts */
+#define DSI_CIO_IRQ_ERRSYNCESC1		(1 << 0)
+#define DSI_CIO_IRQ_ERRSYNCESC2		(1 << 1)
+#define DSI_CIO_IRQ_ERRSYNCESC3		(1 << 2)
+#define DSI_CIO_IRQ_ERRSYNCESC4		(1 << 3)
+#define DSI_CIO_IRQ_ERRSYNCESC5		(1 << 4)
+#define DSI_CIO_IRQ_ERRESC1		(1 << 5)
+#define DSI_CIO_IRQ_ERRESC2		(1 << 6)
+#define DSI_CIO_IRQ_ERRESC3		(1 << 7)
+#define DSI_CIO_IRQ_ERRESC4		(1 << 8)
+#define DSI_CIO_IRQ_ERRESC5		(1 << 9)
+#define DSI_CIO_IRQ_ERRCONTROL1		(1 << 10)
+#define DSI_CIO_IRQ_ERRCONTROL2		(1 << 11)
+#define DSI_CIO_IRQ_ERRCONTROL3		(1 << 12)
+#define DSI_CIO_IRQ_ERRCONTROL4		(1 << 13)
+#define DSI_CIO_IRQ_ERRCONTROL5		(1 << 14)
+#define DSI_CIO_IRQ_STATEULPS1		(1 << 15)
+#define DSI_CIO_IRQ_STATEULPS2		(1 << 16)
+#define DSI_CIO_IRQ_STATEULPS3		(1 << 17)
+#define DSI_CIO_IRQ_STATEULPS4		(1 << 18)
+#define DSI_CIO_IRQ_STATEULPS5		(1 << 19)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_1	(1 << 20)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_1	(1 << 21)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_2	(1 << 22)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_2	(1 << 23)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_3	(1 << 24)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_3	(1 << 25)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_4	(1 << 26)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_4	(1 << 27)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_5	(1 << 28)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_5	(1 << 29)
+#define DSI_CIO_IRQ_ULPSACTIVENOT_ALL0	(1 << 30)
+#define DSI_CIO_IRQ_ULPSACTIVENOT_ALL1	(1 << 31)
+#define DSI_CIO_IRQ_ERROR_MASK \
+	(DSI_CIO_IRQ_ERRSYNCESC1 | DSI_CIO_IRQ_ERRSYNCESC2 | \
+	 DSI_CIO_IRQ_ERRSYNCESC3 | DSI_CIO_IRQ_ERRSYNCESC4 | \
+	 DSI_CIO_IRQ_ERRSYNCESC5 | \
+	 DSI_CIO_IRQ_ERRESC1 | DSI_CIO_IRQ_ERRESC2 | \
+	 DSI_CIO_IRQ_ERRESC3 | DSI_CIO_IRQ_ERRESC4 | \
+	 DSI_CIO_IRQ_ERRESC5 | \
+	 DSI_CIO_IRQ_ERRCONTROL1 | DSI_CIO_IRQ_ERRCONTROL2 | \
+	 DSI_CIO_IRQ_ERRCONTROL3 | DSI_CIO_IRQ_ERRCONTROL4 | \
+	 DSI_CIO_IRQ_ERRCONTROL5 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_1 | DSI_CIO_IRQ_ERRCONTENTIONLP1_1 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_2 | DSI_CIO_IRQ_ERRCONTENTIONLP1_2 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_3 | DSI_CIO_IRQ_ERRCONTENTIONLP1_3 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_4 | DSI_CIO_IRQ_ERRCONTENTIONLP1_4 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_5 | DSI_CIO_IRQ_ERRCONTENTIONLP1_5)
+
+typedef void (*omap_dsi_isr_t) (void *arg, u32 mask);
+
+#define DSI_MAX_NR_ISRS                2
+#define DSI_MAX_NR_LANES	5
+
+enum dsi_lane_function {
+	DSI_LANE_UNUSED	= 0,
+	DSI_LANE_CLK,
+	DSI_LANE_DATA1,
+	DSI_LANE_DATA2,
+	DSI_LANE_DATA3,
+	DSI_LANE_DATA4,
+};
+
+struct dsi_lane_config {
+	enum dsi_lane_function function;
+	u8 polarity;
+};
+
+struct dsi_isr_data {
+	omap_dsi_isr_t	isr;
+	void		*arg;
+	u32		mask;
+};
+
+enum fifo_size {
+	DSI_FIFO_SIZE_0		= 0,
+	DSI_FIFO_SIZE_32	= 1,
+	DSI_FIFO_SIZE_64	= 2,
+	DSI_FIFO_SIZE_96	= 3,
+	DSI_FIFO_SIZE_128	= 4,
+};
+
+enum dsi_vc_source {
+	DSI_VC_SOURCE_L4 = 0,
+	DSI_VC_SOURCE_VP,
+};
+
+struct dsi_irq_stats {
+	unsigned long last_reset;
+	unsigned irq_count;
+	unsigned dsi_irqs[32];
+	unsigned vc_irqs[4][32];
+	unsigned cio_irqs[32];
+};
+
+struct dsi_isr_tables {
+	struct dsi_isr_data isr_table[DSI_MAX_NR_ISRS];
+	struct dsi_isr_data isr_table_vc[4][DSI_MAX_NR_ISRS];
+	struct dsi_isr_data isr_table_cio[DSI_MAX_NR_ISRS];
+};
+
+struct dsi_data {
+	struct platform_device *pdev;
+	void __iomem	*base;
+
+	int irq;
+
+	struct clk *dss_clk;
+	struct clk *sys_clk;
+
+	int (*enable_pads)(int dsi_id, unsigned lane_mask);
+	void (*disable_pads)(int dsi_id, unsigned lane_mask);
+
+	struct dsi_clock_info current_cinfo;
+
+	bool vdds_dsi_enabled;
+	struct regulator *vdds_dsi_reg;
+
+	struct {
+		enum dsi_vc_source source;
+		struct omap_dss_device *dssdev;
+		enum fifo_size fifo_size;
+		int vc_id;
+	} vc[4];
+
+	struct mutex lock;
+	struct semaphore bus_lock;
+
+	unsigned pll_locked;
+
+	spinlock_t irq_lock;
+	struct dsi_isr_tables isr_tables;
+	/* space for a copy used by the interrupt handler */
+	struct dsi_isr_tables isr_tables_copy;
+
+	int update_channel;
+#ifdef DEBUG
+	unsigned update_bytes;
+#endif
+
+	bool te_enabled;
+	bool ulps_enabled;
+
+	void (*framedone_callback)(int, void *);
+	void *framedone_data;
+
+	struct delayed_work framedone_timeout_work;
+
+#ifdef DSI_CATCH_MISSING_TE
+	struct timer_list te_timer;
+#endif
+
+	unsigned long cache_req_pck;
+	unsigned long cache_clk_freq;
+	struct dsi_clock_info cache_cinfo;
+
+	u32		errors;
+	spinlock_t	errors_lock;
+#ifdef DEBUG
+	ktime_t perf_setup_time;
+	ktime_t perf_start_time;
+#endif
+	int debug_read;
+	int debug_write;
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	spinlock_t irq_stats_lock;
+	struct dsi_irq_stats irq_stats;
+#endif
+	/* DSI PLL Parameter Ranges */
+	unsigned long regm_max, regn_max;
+	unsigned long  regm_dispc_max, regm_dsi_max;
+	unsigned long  fint_min, fint_max;
+	unsigned long lpdiv_max;
+
+	unsigned num_lanes_supported;
+
+	struct dsi_lane_config lanes[DSI_MAX_NR_LANES];
+	unsigned num_lanes_used;
+
+	unsigned scp_clk_refcount;
+};
+
+struct dsi_packet_sent_handler_data {
+	struct platform_device *dsidev;
+	struct completion *completion;
+};
+
+static struct platform_device *dsi_pdev_map[MAX_NUM_DSI];
+
+#ifdef DEBUG
+static bool dsi_perf;
+module_param(dsi_perf, bool, 0644);
+#endif
+
+static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dsidev)
+{
+	return dev_get_drvdata(&dsidev->dev);
+}
+
+static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev)
+{
+	return dsi_pdev_map[dssdev->phy.dsi.module];
+}
+
+struct platform_device *dsi_get_dsidev_from_id(int module)
+{
+	return dsi_pdev_map[module];
+}
+
+static inline int dsi_get_dsidev_id(struct platform_device *dsidev)
+{
+	return dsidev->id;
+}
+
+static inline void dsi_write_reg(struct platform_device *dsidev,
+		const struct dsi_reg idx, u32 val)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	__raw_writel(val, dsi->base + idx.idx);
+}
+
+static inline u32 dsi_read_reg(struct platform_device *dsidev,
+		const struct dsi_reg idx)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return __raw_readl(dsi->base + idx.idx);
+}
+
+void dsi_bus_lock(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	down(&dsi->bus_lock);
+}
+EXPORT_SYMBOL(dsi_bus_lock);
+
+void dsi_bus_unlock(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	up(&dsi->bus_lock);
+}
+EXPORT_SYMBOL(dsi_bus_unlock);
+
+static bool dsi_bus_is_locked(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->bus_lock.count == 0;
+}
+
+static void dsi_completion_handler(void *data, u32 mask)
+{
+	complete((struct completion *)data);
+}
+
+static inline int wait_for_bit_change(struct platform_device *dsidev,
+		const struct dsi_reg idx, int bitnum, int value)
+{
+	unsigned long timeout;
+	ktime_t wait;
+	int t;
+
+	/* first busyloop to see if the bit changes right away */
+	t = 100;
+	while (t-- > 0) {
+		if (REG_GET(dsidev, idx, bitnum, bitnum) == value)
+			return value;
+	}
+
+	/* then loop for 500ms, sleeping for 1ms in between */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (time_before(jiffies, timeout)) {
+		if (REG_GET(dsidev, idx, bitnum, bitnum) == value)
+			return value;
+
+		wait = ns_to_ktime(1000 * 1000);
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_hrtimeout(&wait, HRTIMER_MODE_REL);
+	}
+
+	return !value;
+}
+
+u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt)
+{
+	switch (fmt) {
+	case OMAP_DSS_DSI_FMT_RGB888:
+	case OMAP_DSS_DSI_FMT_RGB666:
+		return 24;
+	case OMAP_DSS_DSI_FMT_RGB666_PACKED:
+		return 18;
+	case OMAP_DSS_DSI_FMT_RGB565:
+		return 16;
+	default:
+		BUG();
+	}
+}
+
+#ifdef DEBUG
+static void dsi_perf_mark_setup(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	dsi->perf_setup_time = ktime_get();
+}
+
+static void dsi_perf_mark_start(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	dsi->perf_start_time = ktime_get();
+}
+
+static void dsi_perf_show(struct platform_device *dsidev, const char *name)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	ktime_t t, setup_time, trans_time;
+	u32 total_bytes;
+	u32 setup_us, trans_us, total_us;
+
+	if (!dsi_perf)
+		return;
+
+	t = ktime_get();
+
+	setup_time = ktime_sub(dsi->perf_start_time, dsi->perf_setup_time);
+	setup_us = (u32)ktime_to_us(setup_time);
+	if (setup_us == 0)
+		setup_us = 1;
+
+	trans_time = ktime_sub(t, dsi->perf_start_time);
+	trans_us = (u32)ktime_to_us(trans_time);
+	if (trans_us == 0)
+		trans_us = 1;
+
+	total_us = setup_us + trans_us;
+
+	total_bytes = dsi->update_bytes;
+
+	printk(KERN_INFO "DSI(%s): %u us + %u us = %u us (%uHz), "
+			"%u bytes, %u kbytes/sec\n",
+			name,
+			setup_us,
+			trans_us,
+			total_us,
+			1000*1000 / total_us,
+			total_bytes,
+			total_bytes * 1000 / total_us);
+}
+#else
+static inline void dsi_perf_mark_setup(struct platform_device *dsidev)
+{
+}
+
+static inline void dsi_perf_mark_start(struct platform_device *dsidev)
+{
+}
+
+static inline void dsi_perf_show(struct platform_device *dsidev,
+		const char *name)
+{
+}
+#endif
+
+static void print_irq_status(u32 status)
+{
+	if (status == 0)
+		return;
+
+#ifndef VERBOSE_IRQ
+	if ((status & ~DSI_IRQ_CHANNEL_MASK) == 0)
+		return;
+#endif
+	printk(KERN_DEBUG "DSI IRQ: 0x%x: ", status);
+
+#define PIS(x) \
+	if (status & DSI_IRQ_##x) \
+		printk(#x " ");
+#ifdef VERBOSE_IRQ
+	PIS(VC0);
+	PIS(VC1);
+	PIS(VC2);
+	PIS(VC3);
+#endif
+	PIS(WAKEUP);
+	PIS(RESYNC);
+	PIS(PLL_LOCK);
+	PIS(PLL_UNLOCK);
+	PIS(PLL_RECALL);
+	PIS(COMPLEXIO_ERR);
+	PIS(HS_TX_TIMEOUT);
+	PIS(LP_RX_TIMEOUT);
+	PIS(TE_TRIGGER);
+	PIS(ACK_TRIGGER);
+	PIS(SYNC_LOST);
+	PIS(LDO_POWER_GOOD);
+	PIS(TA_TIMEOUT);
+#undef PIS
+
+	printk("\n");
+}
+
+static void print_irq_status_vc(int channel, u32 status)
+{
+	if (status == 0)
+		return;
+
+#ifndef VERBOSE_IRQ
+	if ((status & ~DSI_VC_IRQ_PACKET_SENT) == 0)
+		return;
+#endif
+	printk(KERN_DEBUG "DSI VC(%d) IRQ 0x%x: ", channel, status);
+
+#define PIS(x) \
+	if (status & DSI_VC_IRQ_##x) \
+		printk(#x " ");
+	PIS(CS);
+	PIS(ECC_CORR);
+#ifdef VERBOSE_IRQ
+	PIS(PACKET_SENT);
+#endif
+	PIS(FIFO_TX_OVF);
+	PIS(FIFO_RX_OVF);
+	PIS(BTA);
+	PIS(ECC_NO_CORR);
+	PIS(FIFO_TX_UDF);
+	PIS(PP_BUSY_CHANGE);
+#undef PIS
+	printk("\n");
+}
+
+static void print_irq_status_cio(u32 status)
+{
+	if (status == 0)
+		return;
+
+	printk(KERN_DEBUG "DSI CIO IRQ 0x%x: ", status);
+
+#define PIS(x) \
+	if (status & DSI_CIO_IRQ_##x) \
+		printk(#x " ");
+	PIS(ERRSYNCESC1);
+	PIS(ERRSYNCESC2);
+	PIS(ERRSYNCESC3);
+	PIS(ERRESC1);
+	PIS(ERRESC2);
+	PIS(ERRESC3);
+	PIS(ERRCONTROL1);
+	PIS(ERRCONTROL2);
+	PIS(ERRCONTROL3);
+	PIS(STATEULPS1);
+	PIS(STATEULPS2);
+	PIS(STATEULPS3);
+	PIS(ERRCONTENTIONLP0_1);
+	PIS(ERRCONTENTIONLP1_1);
+	PIS(ERRCONTENTIONLP0_2);
+	PIS(ERRCONTENTIONLP1_2);
+	PIS(ERRCONTENTIONLP0_3);
+	PIS(ERRCONTENTIONLP1_3);
+	PIS(ULPSACTIVENOT_ALL0);
+	PIS(ULPSACTIVENOT_ALL1);
+#undef PIS
+
+	printk("\n");
+}
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+static void dsi_collect_irq_stats(struct platform_device *dsidev, u32 irqstatus,
+		u32 *vcstatus, u32 ciostatus)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+
+	spin_lock(&dsi->irq_stats_lock);
+
+	dsi->irq_stats.irq_count++;
+	dss_collect_irq_stats(irqstatus, dsi->irq_stats.dsi_irqs);
+
+	for (i = 0; i < 4; ++i)
+		dss_collect_irq_stats(vcstatus[i], dsi->irq_stats.vc_irqs[i]);
+
+	dss_collect_irq_stats(ciostatus, dsi->irq_stats.cio_irqs);
+
+	spin_unlock(&dsi->irq_stats_lock);
+}
+#else
+#define dsi_collect_irq_stats(dsidev, irqstatus, vcstatus, ciostatus)
+#endif
+
+static int debug_irq;
+
+static void dsi_handle_irq_errors(struct platform_device *dsidev, u32 irqstatus,
+		u32 *vcstatus, u32 ciostatus)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+
+	if (irqstatus & DSI_IRQ_ERROR_MASK) {
+		DSSERR("DSI error, irqstatus %x\n", irqstatus);
+		print_irq_status(irqstatus);
+		spin_lock(&dsi->errors_lock);
+		dsi->errors |= irqstatus & DSI_IRQ_ERROR_MASK;
+		spin_unlock(&dsi->errors_lock);
+	} else if (debug_irq) {
+		print_irq_status(irqstatus);
+	}
+
+	for (i = 0; i < 4; ++i) {
+		if (vcstatus[i] & DSI_VC_IRQ_ERROR_MASK) {
+			DSSERR("DSI VC(%d) error, vc irqstatus %x\n",
+				       i, vcstatus[i]);
+			print_irq_status_vc(i, vcstatus[i]);
+		} else if (debug_irq) {
+			print_irq_status_vc(i, vcstatus[i]);
+		}
+	}
+
+	if (ciostatus & DSI_CIO_IRQ_ERROR_MASK) {
+		DSSERR("DSI CIO error, cio irqstatus %x\n", ciostatus);
+		print_irq_status_cio(ciostatus);
+	} else if (debug_irq) {
+		print_irq_status_cio(ciostatus);
+	}
+}
+
+static void dsi_call_isrs(struct dsi_isr_data *isr_array,
+		unsigned isr_array_size, u32 irqstatus)
+{
+	struct dsi_isr_data *isr_data;
+	int i;
+
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+		if (isr_data->isr && isr_data->mask & irqstatus)
+			isr_data->isr(isr_data->arg, irqstatus);
+	}
+}
+
+static void dsi_handle_isrs(struct dsi_isr_tables *isr_tables,
+		u32 irqstatus, u32 *vcstatus, u32 ciostatus)
+{
+	int i;
+
+	dsi_call_isrs(isr_tables->isr_table,
+			ARRAY_SIZE(isr_tables->isr_table),
+			irqstatus);
+
+	for (i = 0; i < 4; ++i) {
+		if (vcstatus[i] == 0)
+			continue;
+		dsi_call_isrs(isr_tables->isr_table_vc[i],
+				ARRAY_SIZE(isr_tables->isr_table_vc[i]),
+				vcstatus[i]);
+	}
+
+	if (ciostatus != 0)
+		dsi_call_isrs(isr_tables->isr_table_cio,
+				ARRAY_SIZE(isr_tables->isr_table_cio),
+				ciostatus);
+}
+
+static irqreturn_t omap_dsi_irq_handler(int irq, void *arg)
+{
+	struct platform_device *dsidev;
+	struct dsi_data *dsi;
+	u32 irqstatus, vcstatus[4], ciostatus;
+	int i;
+
+	dsidev = (struct platform_device *) arg;
+	dsi = dsi_get_dsidrv_data(dsidev);
+
+	spin_lock(&dsi->irq_lock);
+
+	irqstatus = dsi_read_reg(dsidev, DSI_IRQSTATUS);
+
+	/* IRQ is not for us */
+	if (!irqstatus) {
+		spin_unlock(&dsi->irq_lock);
+		return IRQ_NONE;
+	}
+
+	dsi_write_reg(dsidev, DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK);
+	/* flush posted write */
+	dsi_read_reg(dsidev, DSI_IRQSTATUS);
+
+	for (i = 0; i < 4; ++i) {
+		if ((irqstatus & (1 << i)) == 0) {
+			vcstatus[i] = 0;
+			continue;
+		}
+
+		vcstatus[i] = dsi_read_reg(dsidev, DSI_VC_IRQSTATUS(i));
+
+		dsi_write_reg(dsidev, DSI_VC_IRQSTATUS(i), vcstatus[i]);
+		/* flush posted write */
+		dsi_read_reg(dsidev, DSI_VC_IRQSTATUS(i));
+	}
+
+	if (irqstatus & DSI_IRQ_COMPLEXIO_ERR) {
+		ciostatus = dsi_read_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS);
+
+		dsi_write_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS, ciostatus);
+		/* flush posted write */
+		dsi_read_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS);
+	} else {
+		ciostatus = 0;
+	}
+
+#ifdef DSI_CATCH_MISSING_TE
+	if (irqstatus & DSI_IRQ_TE_TRIGGER)
+		del_timer(&dsi->te_timer);
+#endif
+
+	/* make a copy and unlock, so that isrs can unregister
+	 * themselves */
+	memcpy(&dsi->isr_tables_copy, &dsi->isr_tables,
+		sizeof(dsi->isr_tables));
+
+	spin_unlock(&dsi->irq_lock);
+
+	dsi_handle_isrs(&dsi->isr_tables_copy, irqstatus, vcstatus, ciostatus);
+
+	dsi_handle_irq_errors(dsidev, irqstatus, vcstatus, ciostatus);
+
+	dsi_collect_irq_stats(dsidev, irqstatus, vcstatus, ciostatus);
+
+	return IRQ_HANDLED;
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_configure_irqs(struct platform_device *dsidev,
+		struct dsi_isr_data *isr_array,
+		unsigned isr_array_size, u32 default_mask,
+		const struct dsi_reg enable_reg,
+		const struct dsi_reg status_reg)
+{
+	struct dsi_isr_data *isr_data;
+	u32 mask;
+	u32 old_mask;
+	int i;
+
+	mask = default_mask;
+
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+
+		if (isr_data->isr == NULL)
+			continue;
+
+		mask |= isr_data->mask;
+	}
+
+	old_mask = dsi_read_reg(dsidev, enable_reg);
+	/* clear the irqstatus for newly enabled irqs */
+	dsi_write_reg(dsidev, status_reg, (mask ^ old_mask) & mask);
+	dsi_write_reg(dsidev, enable_reg, mask);
+
+	/* flush posted writes */
+	dsi_read_reg(dsidev, enable_reg);
+	dsi_read_reg(dsidev, status_reg);
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_set_irqs(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 mask = DSI_IRQ_ERROR_MASK;
+#ifdef DSI_CATCH_MISSING_TE
+	mask |= DSI_IRQ_TE_TRIGGER;
+#endif
+	_omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table,
+			ARRAY_SIZE(dsi->isr_tables.isr_table), mask,
+			DSI_IRQENABLE, DSI_IRQSTATUS);
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_set_irqs_vc(struct platform_device *dsidev, int vc)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	_omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table_vc[vc],
+			ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]),
+			DSI_VC_IRQ_ERROR_MASK,
+			DSI_VC_IRQENABLE(vc), DSI_VC_IRQSTATUS(vc));
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_set_irqs_cio(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	_omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table_cio,
+			ARRAY_SIZE(dsi->isr_tables.isr_table_cio),
+			DSI_CIO_IRQ_ERROR_MASK,
+			DSI_COMPLEXIO_IRQ_ENABLE, DSI_COMPLEXIO_IRQ_STATUS);
+}
+
+static void _dsi_initialize_irq(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int vc;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	memset(&dsi->isr_tables, 0, sizeof(dsi->isr_tables));
+
+	_omap_dsi_set_irqs(dsidev);
+	for (vc = 0; vc < 4; ++vc)
+		_omap_dsi_set_irqs_vc(dsidev, vc);
+	_omap_dsi_set_irqs_cio(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+}
+
+static int _dsi_register_isr(omap_dsi_isr_t isr, void *arg, u32 mask,
+		struct dsi_isr_data *isr_array, unsigned isr_array_size)
+{
+	struct dsi_isr_data *isr_data;
+	int free_idx;
+	int i;
+
+	BUG_ON(isr == NULL);
+
+	/* check for duplicate entry and find a free slot */
+	free_idx = -1;
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+
+		if (isr_data->isr == isr && isr_data->arg == arg &&
+				isr_data->mask == mask) {
+			return -EINVAL;
+		}
+
+		if (isr_data->isr == NULL && free_idx == -1)
+			free_idx = i;
+	}
+
+	if (free_idx == -1)
+		return -EBUSY;
+
+	isr_data = &isr_array[free_idx];
+	isr_data->isr = isr;
+	isr_data->arg = arg;
+	isr_data->mask = mask;
+
+	return 0;
+}
+
+static int _dsi_unregister_isr(omap_dsi_isr_t isr, void *arg, u32 mask,
+		struct dsi_isr_data *isr_array, unsigned isr_array_size)
+{
+	struct dsi_isr_data *isr_data;
+	int i;
+
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+		if (isr_data->isr != isr || isr_data->arg != arg ||
+				isr_data->mask != mask)
+			continue;
+
+		isr_data->isr = NULL;
+		isr_data->arg = NULL;
+		isr_data->mask = 0;
+
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int dsi_register_isr(struct platform_device *dsidev, omap_dsi_isr_t isr,
+		void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_register_isr(isr, arg, mask, dsi->isr_tables.isr_table,
+			ARRAY_SIZE(dsi->isr_tables.isr_table));
+
+	if (r == 0)
+		_omap_dsi_set_irqs(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_unregister_isr(struct platform_device *dsidev,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_unregister_isr(isr, arg, mask, dsi->isr_tables.isr_table,
+			ARRAY_SIZE(dsi->isr_tables.isr_table));
+
+	if (r == 0)
+		_omap_dsi_set_irqs(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_register_isr_vc(struct platform_device *dsidev, int channel,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_register_isr(isr, arg, mask,
+			dsi->isr_tables.isr_table_vc[channel],
+			ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_vc(dsidev, channel);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_unregister_isr_vc(struct platform_device *dsidev, int channel,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_unregister_isr(isr, arg, mask,
+			dsi->isr_tables.isr_table_vc[channel],
+			ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_vc(dsidev, channel);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_register_isr_cio(struct platform_device *dsidev,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_register_isr(isr, arg, mask, dsi->isr_tables.isr_table_cio,
+			ARRAY_SIZE(dsi->isr_tables.isr_table_cio));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_cio(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_unregister_isr_cio(struct platform_device *dsidev,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_unregister_isr(isr, arg, mask, dsi->isr_tables.isr_table_cio,
+			ARRAY_SIZE(dsi->isr_tables.isr_table_cio));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_cio(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static u32 dsi_get_errors(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	u32 e;
+	spin_lock_irqsave(&dsi->errors_lock, flags);
+	e = dsi->errors;
+	dsi->errors = 0;
+	spin_unlock_irqrestore(&dsi->errors_lock, flags);
+	return e;
+}
+
+int dsi_runtime_get(struct platform_device *dsidev)
+{
+	int r;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("dsi_runtime_get\n");
+
+	r = pm_runtime_get_sync(&dsi->pdev->dev);
+	WARN_ON(r < 0);
+	return r < 0 ? r : 0;
+}
+
+void dsi_runtime_put(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+
+	DSSDBG("dsi_runtime_put\n");
+
+	r = pm_runtime_put_sync(&dsi->pdev->dev);
+	WARN_ON(r < 0);
+}
+
+/* source clock for DSI PLL. this could also be PCLKFREE */
+static inline void dsi_enable_pll_clock(struct platform_device *dsidev,
+		bool enable)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (enable)
+		clk_enable(dsi->sys_clk);
+	else
+		clk_disable(dsi->sys_clk);
+
+	if (enable && dsi->pll_locked) {
+		if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 1, 1) != 1)
+			DSSERR("cannot lock PLL when enabling clocks\n");
+	}
+}
+
+#ifdef DEBUG
+static void _dsi_print_reset_status(struct platform_device *dsidev)
+{
+	u32 l;
+	int b0, b1, b2;
+
+	if (!dss_debug)
+		return;
+
+	/* A dummy read using the SCP interface to any DSIPHY register is
+	 * required after DSIPHY reset to complete the reset of the DSI complex
+	 * I/O. */
+	l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+
+	printk(KERN_DEBUG "DSI resets: ");
+
+	l = dsi_read_reg(dsidev, DSI_PLL_STATUS);
+	printk("PLL (%d) ", FLD_GET(l, 0, 0));
+
+	l = dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1);
+	printk("CIO (%d) ", FLD_GET(l, 29, 29));
+
+	if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
+		b0 = 28;
+		b1 = 27;
+		b2 = 26;
+	} else {
+		b0 = 24;
+		b1 = 25;
+		b2 = 26;
+	}
+
+	l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+	printk("PHY (%x%x%x, %d, %d, %d)\n",
+			FLD_GET(l, b0, b0),
+			FLD_GET(l, b1, b1),
+			FLD_GET(l, b2, b2),
+			FLD_GET(l, 29, 29),
+			FLD_GET(l, 30, 30),
+			FLD_GET(l, 31, 31));
+}
+#else
+#define _dsi_print_reset_status(x)
+#endif
+
+static inline int dsi_if_enable(struct platform_device *dsidev, bool enable)
+{
+	DSSDBG("dsi_if_enable(%d)\n", enable);
+
+	enable = enable ? 1 : 0;
+	REG_FLD_MOD(dsidev, DSI_CTRL, enable, 0, 0); /* IF_EN */
+
+	if (wait_for_bit_change(dsidev, DSI_CTRL, 0, enable) != enable) {
+			DSSERR("Failed to set dsi_if_enable to %d\n", enable);
+			return -EIO;
+	}
+
+	return 0;
+}
+
+unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->current_cinfo.dsi_pll_hsdiv_dispc_clk;
+}
+
+static unsigned long dsi_get_pll_hsdiv_dsi_rate(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->current_cinfo.dsi_pll_hsdiv_dsi_clk;
+}
+
+static unsigned long dsi_get_txbyteclkhs(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->current_cinfo.clkin4ddr / 16;
+}
+
+static unsigned long dsi_fclk_rate(struct platform_device *dsidev)
+{
+	unsigned long r;
+	int dsi_module = dsi_get_dsidev_id(dsidev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dss_get_dsi_clk_source(dsi_module) == OMAP_DSS_CLK_SRC_FCK) {
+		/* DSI FCLK source is DSS_CLK_FCK */
+		r = clk_get_rate(dsi->dss_clk);
+	} else {
+		/* DSI FCLK source is dsi_pll_hsdiv_dsi_clk */
+		r = dsi_get_pll_hsdiv_dsi_rate(dsidev);
+	}
+
+	return r;
+}
+
+static int dsi_set_lp_clk_divisor(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long dsi_fclk;
+	unsigned lp_clk_div;
+	unsigned long lp_clk;
+
+	lp_clk_div = dssdev->clocks.dsi.lp_clk_div;
+
+	if (lp_clk_div == 0 || lp_clk_div > dsi->lpdiv_max)
+		return -EINVAL;
+
+	dsi_fclk = dsi_fclk_rate(dsidev);
+
+	lp_clk = dsi_fclk / 2 / lp_clk_div;
+
+	DSSDBG("LP_CLK_DIV %u, LP_CLK %lu\n", lp_clk_div, lp_clk);
+	dsi->current_cinfo.lp_clk = lp_clk;
+	dsi->current_cinfo.lp_clk_div = lp_clk_div;
+
+	/* LP_CLK_DIVISOR */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, lp_clk_div, 12, 0);
+
+	/* LP_RX_SYNCHRO_ENABLE */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, dsi_fclk > 30000000 ? 1 : 0, 21, 21);
+
+	return 0;
+}
+
+static void dsi_enable_scp_clk(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->scp_clk_refcount++ == 0)
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 14, 14); /* CIO_CLK_ICG */
+}
+
+static void dsi_disable_scp_clk(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	WARN_ON(dsi->scp_clk_refcount == 0);
+	if (--dsi->scp_clk_refcount == 0)
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 14, 14); /* CIO_CLK_ICG */
+}
+
+enum dsi_pll_power_state {
+	DSI_PLL_POWER_OFF	= 0x0,
+	DSI_PLL_POWER_ON_HSCLK	= 0x1,
+	DSI_PLL_POWER_ON_ALL	= 0x2,
+	DSI_PLL_POWER_ON_DIV	= 0x3,
+};
+
+static int dsi_pll_power(struct platform_device *dsidev,
+		enum dsi_pll_power_state state)
+{
+	int t = 0;
+
+	/* DSI-PLL power command 0x3 is not working */
+	if (dss_has_feature(FEAT_DSI_PLL_PWR_BUG) &&
+			state == DSI_PLL_POWER_ON_DIV)
+		state = DSI_PLL_POWER_ON_ALL;
+
+	/* PLL_PWR_CMD */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, state, 31, 30);
+
+	/* PLL_PWR_STATUS */
+	while (FLD_GET(dsi_read_reg(dsidev, DSI_CLK_CTRL), 29, 28) != state) {
+		if (++t > 1000) {
+			DSSERR("Failed to set DSI PLL power mode to %d\n",
+					state);
+			return -ENODEV;
+		}
+		udelay(1);
+	}
+
+	return 0;
+}
+
+/* calculate clock rates using dividers in cinfo */
+static int dsi_calc_clock_rates(struct omap_dss_device *dssdev,
+		struct dsi_clock_info *cinfo)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (cinfo->regn == 0 || cinfo->regn > dsi->regn_max)
+		return -EINVAL;
+
+	if (cinfo->regm == 0 || cinfo->regm > dsi->regm_max)
+		return -EINVAL;
+
+	if (cinfo->regm_dispc > dsi->regm_dispc_max)
+		return -EINVAL;
+
+	if (cinfo->regm_dsi > dsi->regm_dsi_max)
+		return -EINVAL;
+
+	if (cinfo->use_sys_clk) {
+		cinfo->clkin = clk_get_rate(dsi->sys_clk);
+		/* XXX it is unclear if highfreq should be used
+		 * with DSS_SYS_CLK source also */
+		cinfo->highfreq = 0;
+	} else {
+		cinfo->clkin = dispc_mgr_pclk_rate(dssdev->manager->id);
+
+		if (cinfo->clkin < 32000000)
+			cinfo->highfreq = 0;
+		else
+			cinfo->highfreq = 1;
+	}
+
+	cinfo->fint = cinfo->clkin / (cinfo->regn * (cinfo->highfreq ? 2 : 1));
+
+	if (cinfo->fint > dsi->fint_max || cinfo->fint < dsi->fint_min)
+		return -EINVAL;
+
+	cinfo->clkin4ddr = 2 * cinfo->regm * cinfo->fint;
+
+	if (cinfo->clkin4ddr > 1800 * 1000 * 1000)
+		return -EINVAL;
+
+	if (cinfo->regm_dispc > 0)
+		cinfo->dsi_pll_hsdiv_dispc_clk =
+			cinfo->clkin4ddr / cinfo->regm_dispc;
+	else
+		cinfo->dsi_pll_hsdiv_dispc_clk = 0;
+
+	if (cinfo->regm_dsi > 0)
+		cinfo->dsi_pll_hsdiv_dsi_clk =
+			cinfo->clkin4ddr / cinfo->regm_dsi;
+	else
+		cinfo->dsi_pll_hsdiv_dsi_clk = 0;
+
+	return 0;
+}
+
+int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, bool is_tft,
+		unsigned long req_pck, struct dsi_clock_info *dsi_cinfo,
+		struct dispc_clock_info *dispc_cinfo)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dsi_clock_info cur, best;
+	struct dispc_clock_info best_dispc;
+	int min_fck_per_pck;
+	int match = 0;
+	unsigned long dss_sys_clk, max_dss_fck;
+
+	dss_sys_clk = clk_get_rate(dsi->sys_clk);
+
+	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	if (req_pck == dsi->cache_req_pck &&
+			dsi->cache_cinfo.clkin == dss_sys_clk) {
+		DSSDBG("DSI clock info found from cache\n");
+		*dsi_cinfo = dsi->cache_cinfo;
+		dispc_find_clk_divs(is_tft, req_pck,
+			dsi_cinfo->dsi_pll_hsdiv_dispc_clk, dispc_cinfo);
+		return 0;
+	}
+
+	min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK;
+
+	if (min_fck_per_pck &&
+		req_pck * min_fck_per_pck > max_dss_fck) {
+		DSSERR("Requested pixel clock not possible with the current "
+				"OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning "
+				"the constraint off.\n");
+		min_fck_per_pck = 0;
+	}
+
+	DSSDBG("dsi_pll_calc\n");
+
+retry:
+	memset(&best, 0, sizeof(best));
+	memset(&best_dispc, 0, sizeof(best_dispc));
+
+	memset(&cur, 0, sizeof(cur));
+	cur.clkin = dss_sys_clk;
+	cur.use_sys_clk = 1;
+	cur.highfreq = 0;
+
+	/* no highfreq: 0.75MHz < Fint = clkin / regn < 2.1MHz */
+	/* highfreq: 0.75MHz < Fint = clkin / (2*regn) < 2.1MHz */
+	/* To reduce PLL lock time, keep Fint high (around 2 MHz) */
+	for (cur.regn = 1; cur.regn < dsi->regn_max; ++cur.regn) {
+		if (cur.highfreq == 0)
+			cur.fint = cur.clkin / cur.regn;
+		else
+			cur.fint = cur.clkin / (2 * cur.regn);
+
+		if (cur.fint > dsi->fint_max || cur.fint < dsi->fint_min)
+			continue;
+
+		/* DSIPHY(MHz) = (2 * regm / regn) * (clkin / (highfreq + 1)) */
+		for (cur.regm = 1; cur.regm < dsi->regm_max; ++cur.regm) {
+			unsigned long a, b;
+
+			a = 2 * cur.regm * (cur.clkin/1000);
+			b = cur.regn * (cur.highfreq + 1);
+			cur.clkin4ddr = a / b * 1000;
+
+			if (cur.clkin4ddr > 1800 * 1000 * 1000)
+				break;
+
+			/* dsi_pll_hsdiv_dispc_clk(MHz) =
+			 * DSIPHY(MHz) / regm_dispc  < 173MHz/186Mhz */
+			for (cur.regm_dispc = 1; cur.regm_dispc <
+					dsi->regm_dispc_max; ++cur.regm_dispc) {
+				struct dispc_clock_info cur_dispc;
+				cur.dsi_pll_hsdiv_dispc_clk =
+					cur.clkin4ddr / cur.regm_dispc;
+
+				/* this will narrow down the search a bit,
+				 * but still give pixclocks below what was
+				 * requested */
+				if (cur.dsi_pll_hsdiv_dispc_clk  < req_pck)
+					break;
+
+				if (cur.dsi_pll_hsdiv_dispc_clk > max_dss_fck)
+					continue;
+
+				if (min_fck_per_pck &&
+					cur.dsi_pll_hsdiv_dispc_clk <
+						req_pck * min_fck_per_pck)
+					continue;
+
+				match = 1;
+
+				dispc_find_clk_divs(is_tft, req_pck,
+						cur.dsi_pll_hsdiv_dispc_clk,
+						&cur_dispc);
+
+				if (abs(cur_dispc.pck - req_pck) <
+						abs(best_dispc.pck - req_pck)) {
+					best = cur;
+					best_dispc = cur_dispc;
+
+					if (cur_dispc.pck == req_pck)
+						goto found;
+				}
+			}
+		}
+	}
+found:
+	if (!match) {
+		if (min_fck_per_pck) {
+			DSSERR("Could not find suitable clock settings.\n"
+					"Turning FCK/PCK constraint off and"
+					"trying again.\n");
+			min_fck_per_pck = 0;
+			goto retry;
+		}
+
+		DSSERR("Could not find suitable clock settings.\n");
+
+		return -EINVAL;
+	}
+
+	/* dsi_pll_hsdiv_dsi_clk (regm_dsi) is not used */
+	best.regm_dsi = 0;
+	best.dsi_pll_hsdiv_dsi_clk = 0;
+
+	if (dsi_cinfo)
+		*dsi_cinfo = best;
+	if (dispc_cinfo)
+		*dispc_cinfo = best_dispc;
+
+	dsi->cache_req_pck = req_pck;
+	dsi->cache_clk_freq = 0;
+	dsi->cache_cinfo = best;
+
+	return 0;
+}
+
+int dsi_pll_set_clock_div(struct platform_device *dsidev,
+		struct dsi_clock_info *cinfo)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r = 0;
+	u32 l;
+	int f = 0;
+	u8 regn_start, regn_end, regm_start, regm_end;
+	u8 regm_dispc_start, regm_dispc_end, regm_dsi_start, regm_dsi_end;
+
+	DSSDBGF();
+
+	dsi->current_cinfo.use_sys_clk = cinfo->use_sys_clk;
+	dsi->current_cinfo.highfreq = cinfo->highfreq;
+
+	dsi->current_cinfo.fint = cinfo->fint;
+	dsi->current_cinfo.clkin4ddr = cinfo->clkin4ddr;
+	dsi->current_cinfo.dsi_pll_hsdiv_dispc_clk =
+			cinfo->dsi_pll_hsdiv_dispc_clk;
+	dsi->current_cinfo.dsi_pll_hsdiv_dsi_clk =
+			cinfo->dsi_pll_hsdiv_dsi_clk;
+
+	dsi->current_cinfo.regn = cinfo->regn;
+	dsi->current_cinfo.regm = cinfo->regm;
+	dsi->current_cinfo.regm_dispc = cinfo->regm_dispc;
+	dsi->current_cinfo.regm_dsi = cinfo->regm_dsi;
+
+	DSSDBG("DSI Fint %ld\n", cinfo->fint);
+
+	DSSDBG("clkin (%s) rate %ld, highfreq %d\n",
+			cinfo->use_sys_clk ? "dss_sys_clk" : "pclkfree",
+			cinfo->clkin,
+			cinfo->highfreq);
+
+	/* DSIPHY == CLKIN4DDR */
+	DSSDBG("CLKIN4DDR = 2 * %d / %d * %lu / %d = %lu\n",
+			cinfo->regm,
+			cinfo->regn,
+			cinfo->clkin,
+			cinfo->highfreq + 1,
+			cinfo->clkin4ddr);
+
+	DSSDBG("Data rate on 1 DSI lane %ld Mbps\n",
+			cinfo->clkin4ddr / 1000 / 1000 / 2);
+
+	DSSDBG("Clock lane freq %ld Hz\n", cinfo->clkin4ddr / 4);
+
+	DSSDBG("regm_dispc = %d, %s (%s) = %lu\n", cinfo->regm_dispc,
+		dss_get_generic_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC),
+		dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC),
+		cinfo->dsi_pll_hsdiv_dispc_clk);
+	DSSDBG("regm_dsi = %d, %s (%s) = %lu\n", cinfo->regm_dsi,
+		dss_get_generic_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI),
+		dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI),
+		cinfo->dsi_pll_hsdiv_dsi_clk);
+
+	dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGN, &regn_start, &regn_end);
+	dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGM, &regm_start, &regm_end);
+	dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGM_DISPC, &regm_dispc_start,
+			&regm_dispc_end);
+	dss_feat_get_reg_field(FEAT_REG_DSIPLL_REGM_DSI, &regm_dsi_start,
+			&regm_dsi_end);
+
+	/* DSI_PLL_AUTOMODE = manual */
+	REG_FLD_MOD(dsidev, DSI_PLL_CONTROL, 0, 0, 0);
+
+	l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION1);
+	l = FLD_MOD(l, 1, 0, 0);		/* DSI_PLL_STOPMODE */
+	/* DSI_PLL_REGN */
+	l = FLD_MOD(l, cinfo->regn - 1, regn_start, regn_end);
+	/* DSI_PLL_REGM */
+	l = FLD_MOD(l, cinfo->regm, regm_start, regm_end);
+	/* DSI_CLOCK_DIV */
+	l = FLD_MOD(l, cinfo->regm_dispc > 0 ? cinfo->regm_dispc - 1 : 0,
+			regm_dispc_start, regm_dispc_end);
+	/* DSIPROTO_CLOCK_DIV */
+	l = FLD_MOD(l, cinfo->regm_dsi > 0 ? cinfo->regm_dsi - 1 : 0,
+			regm_dsi_start, regm_dsi_end);
+	dsi_write_reg(dsidev, DSI_PLL_CONFIGURATION1, l);
+
+	BUG_ON(cinfo->fint < dsi->fint_min || cinfo->fint > dsi->fint_max);
+
+	if (dss_has_feature(FEAT_DSI_PLL_FREQSEL)) {
+		f = cinfo->fint < 1000000 ? 0x3 :
+			cinfo->fint < 1250000 ? 0x4 :
+			cinfo->fint < 1500000 ? 0x5 :
+			cinfo->fint < 1750000 ? 0x6 :
+			0x7;
+	}
+
+	l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2);
+
+	if (dss_has_feature(FEAT_DSI_PLL_FREQSEL))
+		l = FLD_MOD(l, f, 4, 1);	/* DSI_PLL_FREQSEL */
+	l = FLD_MOD(l, cinfo->use_sys_clk ? 0 : 1,
+			11, 11);		/* DSI_PLL_CLKSEL */
+	l = FLD_MOD(l, cinfo->highfreq,
+			12, 12);		/* DSI_PLL_HIGHFREQ */
+	l = FLD_MOD(l, 1, 13, 13);		/* DSI_PLL_REFEN */
+	l = FLD_MOD(l, 0, 14, 14);		/* DSIPHY_CLKINEN */
+	l = FLD_MOD(l, 1, 20, 20);		/* DSI_HSDIVBYPASS */
+	dsi_write_reg(dsidev, DSI_PLL_CONFIGURATION2, l);
+
+	REG_FLD_MOD(dsidev, DSI_PLL_GO, 1, 0, 0);	/* DSI_PLL_GO */
+
+	if (wait_for_bit_change(dsidev, DSI_PLL_GO, 0, 0) != 0) {
+		DSSERR("dsi pll go bit not going down.\n");
+		r = -EIO;
+		goto err;
+	}
+
+	if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 1, 1) != 1) {
+		DSSERR("cannot lock PLL\n");
+		r = -EIO;
+		goto err;
+	}
+
+	dsi->pll_locked = 1;
+
+	l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2);
+	l = FLD_MOD(l, 0, 0, 0);	/* DSI_PLL_IDLE */
+	l = FLD_MOD(l, 0, 5, 5);	/* DSI_PLL_PLLLPMODE */
+	l = FLD_MOD(l, 0, 6, 6);	/* DSI_PLL_LOWCURRSTBY */
+	l = FLD_MOD(l, 0, 7, 7);	/* DSI_PLL_TIGHTPHASELOCK */
+	l = FLD_MOD(l, 0, 8, 8);	/* DSI_PLL_DRIFTGUARDEN */
+	l = FLD_MOD(l, 0, 10, 9);	/* DSI_PLL_LOCKSEL */
+	l = FLD_MOD(l, 1, 13, 13);	/* DSI_PLL_REFEN */
+	l = FLD_MOD(l, 1, 14, 14);	/* DSIPHY_CLKINEN */
+	l = FLD_MOD(l, 0, 15, 15);	/* DSI_BYPASSEN */
+	l = FLD_MOD(l, 1, 16, 16);	/* DSS_CLOCK_EN */
+	l = FLD_MOD(l, 0, 17, 17);	/* DSS_CLOCK_PWDN */
+	l = FLD_MOD(l, 1, 18, 18);	/* DSI_PROTO_CLOCK_EN */
+	l = FLD_MOD(l, 0, 19, 19);	/* DSI_PROTO_CLOCK_PWDN */
+	l = FLD_MOD(l, 0, 20, 20);	/* DSI_HSDIVBYPASS */
+	dsi_write_reg(dsidev, DSI_PLL_CONFIGURATION2, l);
+
+	DSSDBG("PLL config done\n");
+err:
+	return r;
+}
+
+int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
+		bool enable_hsdiv)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r = 0;
+	enum dsi_pll_power_state pwstate;
+
+	DSSDBG("PLL init\n");
+
+	if (dsi->vdds_dsi_reg == NULL) {
+		struct regulator *vdds_dsi;
+
+		vdds_dsi = regulator_get(&dsi->pdev->dev, "vdds_dsi");
+
+		if (IS_ERR(vdds_dsi)) {
+			DSSERR("can't get VDDS_DSI regulator\n");
+			return PTR_ERR(vdds_dsi);
+		}
+
+		dsi->vdds_dsi_reg = vdds_dsi;
+	}
+
+	dsi_enable_pll_clock(dsidev, 1);
+	/*
+	 * Note: SCP CLK is not required on OMAP3, but it is required on OMAP4.
+	 */
+	dsi_enable_scp_clk(dsidev);
+
+	if (!dsi->vdds_dsi_enabled) {
+		r = regulator_enable(dsi->vdds_dsi_reg);
+		if (r)
+			goto err0;
+		dsi->vdds_dsi_enabled = true;
+	}
+
+	/* XXX PLL does not come out of reset without this... */
+	dispc_pck_free_enable(1);
+
+	if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 0, 1) != 1) {
+		DSSERR("PLL not coming out of reset.\n");
+		r = -ENODEV;
+		dispc_pck_free_enable(0);
+		goto err1;
+	}
+
+	/* XXX ... but if left on, we get problems when planes do not
+	 * fill the whole display. No idea about this */
+	dispc_pck_free_enable(0);
+
+	if (enable_hsclk && enable_hsdiv)
+		pwstate = DSI_PLL_POWER_ON_ALL;
+	else if (enable_hsclk)
+		pwstate = DSI_PLL_POWER_ON_HSCLK;
+	else if (enable_hsdiv)
+		pwstate = DSI_PLL_POWER_ON_DIV;
+	else
+		pwstate = DSI_PLL_POWER_OFF;
+
+	r = dsi_pll_power(dsidev, pwstate);
+
+	if (r)
+		goto err1;
+
+	DSSDBG("PLL init done\n");
+
+	return 0;
+err1:
+	if (dsi->vdds_dsi_enabled) {
+		regulator_disable(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_enabled = false;
+	}
+err0:
+	dsi_disable_scp_clk(dsidev);
+	dsi_enable_pll_clock(dsidev, 0);
+	return r;
+}
+
+void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	dsi->pll_locked = 0;
+	dsi_pll_power(dsidev, DSI_PLL_POWER_OFF);
+	if (disconnect_lanes) {
+		WARN_ON(!dsi->vdds_dsi_enabled);
+		regulator_disable(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_enabled = false;
+	}
+
+	dsi_disable_scp_clk(dsidev);
+	dsi_enable_pll_clock(dsidev, 0);
+
+	DSSDBG("PLL uninit done\n");
+}
+
+static void dsi_dump_dsidev_clocks(struct platform_device *dsidev,
+		struct seq_file *s)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dsi_clock_info *cinfo = &dsi->current_cinfo;
+	enum omap_dss_clk_source dispc_clk_src, dsi_clk_src;
+	int dsi_module = dsi_get_dsidev_id(dsidev);
+
+	dispc_clk_src = dss_get_dispc_clk_source();
+	dsi_clk_src = dss_get_dsi_clk_source(dsi_module);
+
+	if (dsi_runtime_get(dsidev))
+		return;
+
+	seq_printf(s,	"- DSI%d PLL -\n", dsi_module + 1);
+
+	seq_printf(s,	"dsi pll source = %s\n",
+			cinfo->use_sys_clk ? "dss_sys_clk" : "pclkfree");
+
+	seq_printf(s,	"Fint\t\t%-16luregn %u\n", cinfo->fint, cinfo->regn);
+
+	seq_printf(s,	"CLKIN4DDR\t%-16luregm %u\n",
+			cinfo->clkin4ddr, cinfo->regm);
+
+	seq_printf(s,	"DSI_PLL_HSDIV_DISPC (%s)\t%-16luregm_dispc %u\t(%s)\n",
+			dss_feat_get_clk_source_name(dsi_module == 0 ?
+				OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC :
+				OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC),
+			cinfo->dsi_pll_hsdiv_dispc_clk,
+			cinfo->regm_dispc,
+			dispc_clk_src == OMAP_DSS_CLK_SRC_FCK ?
+			"off" : "on");
+
+	seq_printf(s,	"DSI_PLL_HSDIV_DSI (%s)\t%-16luregm_dsi %u\t(%s)\n",
+			dss_feat_get_clk_source_name(dsi_module == 0 ?
+				OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI :
+				OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI),
+			cinfo->dsi_pll_hsdiv_dsi_clk,
+			cinfo->regm_dsi,
+			dsi_clk_src == OMAP_DSS_CLK_SRC_FCK ?
+			"off" : "on");
+
+	seq_printf(s,	"- DSI%d -\n", dsi_module + 1);
+
+	seq_printf(s,	"dsi fclk source = %s (%s)\n",
+			dss_get_generic_clk_source_name(dsi_clk_src),
+			dss_feat_get_clk_source_name(dsi_clk_src));
+
+	seq_printf(s,	"DSI_FCLK\t%lu\n", dsi_fclk_rate(dsidev));
+
+	seq_printf(s,	"DDR_CLK\t\t%lu\n",
+			cinfo->clkin4ddr / 4);
+
+	seq_printf(s,	"TxByteClkHS\t%lu\n", dsi_get_txbyteclkhs(dsidev));
+
+	seq_printf(s,	"LP_CLK\t\t%lu\n", cinfo->lp_clk);
+
+	dsi_runtime_put(dsidev);
+}
+
+void dsi_dump_clocks(struct seq_file *s)
+{
+	struct platform_device *dsidev;
+	int i;
+
+	for  (i = 0; i < MAX_NUM_DSI; i++) {
+		dsidev = dsi_get_dsidev_from_id(i);
+		if (dsidev)
+			dsi_dump_dsidev_clocks(dsidev, s);
+	}
+}
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+static void dsi_dump_dsidev_irqs(struct platform_device *dsidev,
+		struct seq_file *s)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	struct dsi_irq_stats stats;
+	int dsi_module = dsi_get_dsidev_id(dsidev);
+
+	spin_lock_irqsave(&dsi->irq_stats_lock, flags);
+
+	stats = dsi->irq_stats;
+	memset(&dsi->irq_stats, 0, sizeof(dsi->irq_stats));
+	dsi->irq_stats.last_reset = jiffies;
+
+	spin_unlock_irqrestore(&dsi->irq_stats_lock, flags);
+
+	seq_printf(s, "period %u ms\n",
+			jiffies_to_msecs(jiffies - stats.last_reset));
+
+	seq_printf(s, "irqs %d\n", stats.irq_count);
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d\n", #x, stats.dsi_irqs[ffs(DSI_IRQ_##x)-1]);
+
+	seq_printf(s, "-- DSI%d interrupts --\n", dsi_module + 1);
+	PIS(VC0);
+	PIS(VC1);
+	PIS(VC2);
+	PIS(VC3);
+	PIS(WAKEUP);
+	PIS(RESYNC);
+	PIS(PLL_LOCK);
+	PIS(PLL_UNLOCK);
+	PIS(PLL_RECALL);
+	PIS(COMPLEXIO_ERR);
+	PIS(HS_TX_TIMEOUT);
+	PIS(LP_RX_TIMEOUT);
+	PIS(TE_TRIGGER);
+	PIS(ACK_TRIGGER);
+	PIS(SYNC_LOST);
+	PIS(LDO_POWER_GOOD);
+	PIS(TA_TIMEOUT);
+#undef PIS
+
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d %10d %10d %10d\n", #x, \
+			stats.vc_irqs[0][ffs(DSI_VC_IRQ_##x)-1], \
+			stats.vc_irqs[1][ffs(DSI_VC_IRQ_##x)-1], \
+			stats.vc_irqs[2][ffs(DSI_VC_IRQ_##x)-1], \
+			stats.vc_irqs[3][ffs(DSI_VC_IRQ_##x)-1]);
+
+	seq_printf(s, "-- VC interrupts --\n");
+	PIS(CS);
+	PIS(ECC_CORR);
+	PIS(PACKET_SENT);
+	PIS(FIFO_TX_OVF);
+	PIS(FIFO_RX_OVF);
+	PIS(BTA);
+	PIS(ECC_NO_CORR);
+	PIS(FIFO_TX_UDF);
+	PIS(PP_BUSY_CHANGE);
+#undef PIS
+
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d\n", #x, \
+			stats.cio_irqs[ffs(DSI_CIO_IRQ_##x)-1]);
+
+	seq_printf(s, "-- CIO interrupts --\n");
+	PIS(ERRSYNCESC1);
+	PIS(ERRSYNCESC2);
+	PIS(ERRSYNCESC3);
+	PIS(ERRESC1);
+	PIS(ERRESC2);
+	PIS(ERRESC3);
+	PIS(ERRCONTROL1);
+	PIS(ERRCONTROL2);
+	PIS(ERRCONTROL3);
+	PIS(STATEULPS1);
+	PIS(STATEULPS2);
+	PIS(STATEULPS3);
+	PIS(ERRCONTENTIONLP0_1);
+	PIS(ERRCONTENTIONLP1_1);
+	PIS(ERRCONTENTIONLP0_2);
+	PIS(ERRCONTENTIONLP1_2);
+	PIS(ERRCONTENTIONLP0_3);
+	PIS(ERRCONTENTIONLP1_3);
+	PIS(ULPSACTIVENOT_ALL0);
+	PIS(ULPSACTIVENOT_ALL1);
+#undef PIS
+}
+
+static void dsi1_dump_irqs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(0);
+
+	dsi_dump_dsidev_irqs(dsidev, s);
+}
+
+static void dsi2_dump_irqs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(1);
+
+	dsi_dump_dsidev_irqs(dsidev, s);
+}
+
+void dsi_create_debugfs_files_irq(struct dentry *debugfs_dir,
+		const struct file_operations *debug_fops)
+{
+	struct platform_device *dsidev;
+
+	dsidev = dsi_get_dsidev_from_id(0);
+	if (dsidev)
+		debugfs_create_file("dsi1_irqs", S_IRUGO, debugfs_dir,
+			&dsi1_dump_irqs, debug_fops);
+
+	dsidev = dsi_get_dsidev_from_id(1);
+	if (dsidev)
+		debugfs_create_file("dsi2_irqs", S_IRUGO, debugfs_dir,
+			&dsi2_dump_irqs, debug_fops);
+}
+#endif
+
+static void dsi_dump_dsidev_regs(struct platform_device *dsidev,
+		struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsidev, r))
+
+	if (dsi_runtime_get(dsidev))
+		return;
+	dsi_enable_scp_clk(dsidev);
+
+	DUMPREG(DSI_REVISION);
+	DUMPREG(DSI_SYSCONFIG);
+	DUMPREG(DSI_SYSSTATUS);
+	DUMPREG(DSI_IRQSTATUS);
+	DUMPREG(DSI_IRQENABLE);
+	DUMPREG(DSI_CTRL);
+	DUMPREG(DSI_COMPLEXIO_CFG1);
+	DUMPREG(DSI_COMPLEXIO_IRQ_STATUS);
+	DUMPREG(DSI_COMPLEXIO_IRQ_ENABLE);
+	DUMPREG(DSI_CLK_CTRL);
+	DUMPREG(DSI_TIMING1);
+	DUMPREG(DSI_TIMING2);
+	DUMPREG(DSI_VM_TIMING1);
+	DUMPREG(DSI_VM_TIMING2);
+	DUMPREG(DSI_VM_TIMING3);
+	DUMPREG(DSI_CLK_TIMING);
+	DUMPREG(DSI_TX_FIFO_VC_SIZE);
+	DUMPREG(DSI_RX_FIFO_VC_SIZE);
+	DUMPREG(DSI_COMPLEXIO_CFG2);
+	DUMPREG(DSI_RX_FIFO_VC_FULLNESS);
+	DUMPREG(DSI_VM_TIMING4);
+	DUMPREG(DSI_TX_FIFO_VC_EMPTINESS);
+	DUMPREG(DSI_VM_TIMING5);
+	DUMPREG(DSI_VM_TIMING6);
+	DUMPREG(DSI_VM_TIMING7);
+	DUMPREG(DSI_STOPCLK_TIMING);
+
+	DUMPREG(DSI_VC_CTRL(0));
+	DUMPREG(DSI_VC_TE(0));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(0));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(0));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(0));
+	DUMPREG(DSI_VC_IRQSTATUS(0));
+	DUMPREG(DSI_VC_IRQENABLE(0));
+
+	DUMPREG(DSI_VC_CTRL(1));
+	DUMPREG(DSI_VC_TE(1));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(1));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(1));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(1));
+	DUMPREG(DSI_VC_IRQSTATUS(1));
+	DUMPREG(DSI_VC_IRQENABLE(1));
+
+	DUMPREG(DSI_VC_CTRL(2));
+	DUMPREG(DSI_VC_TE(2));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(2));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(2));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(2));
+	DUMPREG(DSI_VC_IRQSTATUS(2));
+	DUMPREG(DSI_VC_IRQENABLE(2));
+
+	DUMPREG(DSI_VC_CTRL(3));
+	DUMPREG(DSI_VC_TE(3));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(3));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(3));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(3));
+	DUMPREG(DSI_VC_IRQSTATUS(3));
+	DUMPREG(DSI_VC_IRQENABLE(3));
+
+	DUMPREG(DSI_DSIPHY_CFG0);
+	DUMPREG(DSI_DSIPHY_CFG1);
+	DUMPREG(DSI_DSIPHY_CFG2);
+	DUMPREG(DSI_DSIPHY_CFG5);
+
+	DUMPREG(DSI_PLL_CONTROL);
+	DUMPREG(DSI_PLL_STATUS);
+	DUMPREG(DSI_PLL_GO);
+	DUMPREG(DSI_PLL_CONFIGURATION1);
+	DUMPREG(DSI_PLL_CONFIGURATION2);
+
+	dsi_disable_scp_clk(dsidev);
+	dsi_runtime_put(dsidev);
+#undef DUMPREG
+}
+
+static void dsi1_dump_regs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(0);
+
+	dsi_dump_dsidev_regs(dsidev, s);
+}
+
+static void dsi2_dump_regs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(1);
+
+	dsi_dump_dsidev_regs(dsidev, s);
+}
+
+void dsi_create_debugfs_files_reg(struct dentry *debugfs_dir,
+		const struct file_operations *debug_fops)
+{
+	struct platform_device *dsidev;
+
+	dsidev = dsi_get_dsidev_from_id(0);
+	if (dsidev)
+		debugfs_create_file("dsi1_regs", S_IRUGO, debugfs_dir,
+			&dsi1_dump_regs, debug_fops);
+
+	dsidev = dsi_get_dsidev_from_id(1);
+	if (dsidev)
+		debugfs_create_file("dsi2_regs", S_IRUGO, debugfs_dir,
+			&dsi2_dump_regs, debug_fops);
+}
+enum dsi_cio_power_state {
+	DSI_COMPLEXIO_POWER_OFF		= 0x0,
+	DSI_COMPLEXIO_POWER_ON		= 0x1,
+	DSI_COMPLEXIO_POWER_ULPS	= 0x2,
+};
+
+static int dsi_cio_power(struct platform_device *dsidev,
+		enum dsi_cio_power_state state)
+{
+	int t = 0;
+
+	/* PWR_CMD */
+	REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG1, state, 28, 27);
+
+	/* PWR_STATUS */
+	while (FLD_GET(dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1),
+			26, 25) != state) {
+		if (++t > 1000) {
+			DSSERR("failed to set complexio power state to "
+					"%d\n", state);
+			return -ENODEV;
+		}
+		udelay(1);
+	}
+
+	return 0;
+}
+
+static unsigned dsi_get_line_buf_size(struct platform_device *dsidev)
+{
+	int val;
+
+	/* line buffer on OMAP3 is 1024 x 24bits */
+	/* XXX: for some reason using full buffer size causes
+	 * considerable TX slowdown with update sizes that fill the
+	 * whole buffer */
+	if (!dss_has_feature(FEAT_DSI_GNQ))
+		return 1023 * 3;
+
+	val = REG_GET(dsidev, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
+
+	switch (val) {
+	case 1:
+		return 512 * 3;		/* 512x24 bits */
+	case 2:
+		return 682 * 3;		/* 682x24 bits */
+	case 3:
+		return 853 * 3;		/* 853x24 bits */
+	case 4:
+		return 1024 * 3;	/* 1024x24 bits */
+	case 5:
+		return 1194 * 3;	/* 1194x24 bits */
+	case 6:
+		return 1365 * 3;	/* 1365x24 bits */
+	default:
+		BUG();
+	}
+}
+
+static int dsi_parse_lane_config(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u8 lanes[DSI_MAX_NR_LANES];
+	u8 polarities[DSI_MAX_NR_LANES];
+	int num_lanes, i;
+
+	static const enum dsi_lane_function functions[] = {
+		DSI_LANE_CLK,
+		DSI_LANE_DATA1,
+		DSI_LANE_DATA2,
+		DSI_LANE_DATA3,
+		DSI_LANE_DATA4,
+	};
+
+	lanes[0] = dssdev->phy.dsi.clk_lane;
+	lanes[1] = dssdev->phy.dsi.data1_lane;
+	lanes[2] = dssdev->phy.dsi.data2_lane;
+	lanes[3] = dssdev->phy.dsi.data3_lane;
+	lanes[4] = dssdev->phy.dsi.data4_lane;
+	polarities[0] = dssdev->phy.dsi.clk_pol;
+	polarities[1] = dssdev->phy.dsi.data1_pol;
+	polarities[2] = dssdev->phy.dsi.data2_pol;
+	polarities[3] = dssdev->phy.dsi.data3_pol;
+	polarities[4] = dssdev->phy.dsi.data4_pol;
+
+	num_lanes = 0;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i)
+		dsi->lanes[i].function = DSI_LANE_UNUSED;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		int num;
+
+		if (lanes[i] == DSI_LANE_UNUSED)
+			break;
+
+		num = lanes[i] - 1;
+
+		if (num >= dsi->num_lanes_supported)
+			return -EINVAL;
+
+		if (dsi->lanes[num].function != DSI_LANE_UNUSED)
+			return -EINVAL;
+
+		dsi->lanes[num].function = functions[i];
+		dsi->lanes[num].polarity = polarities[i];
+		num_lanes++;
+	}
+
+	if (num_lanes < 2 || num_lanes > dsi->num_lanes_supported)
+		return -EINVAL;
+
+	dsi->num_lanes_used = num_lanes;
+
+	return 0;
+}
+
+static int dsi_set_lane_config(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	static const u8 offsets[] = { 0, 4, 8, 12, 16 };
+	static const enum dsi_lane_function functions[] = {
+		DSI_LANE_CLK,
+		DSI_LANE_DATA1,
+		DSI_LANE_DATA2,
+		DSI_LANE_DATA3,
+		DSI_LANE_DATA4,
+	};
+	u32 r;
+	int i;
+
+	r = dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1);
+
+	for (i = 0; i < dsi->num_lanes_used; ++i) {
+		unsigned offset = offsets[i];
+		unsigned polarity, lane_number;
+		unsigned t;
+
+		for (t = 0; t < dsi->num_lanes_supported; ++t)
+			if (dsi->lanes[t].function == functions[i])
+				break;
+
+		if (t == dsi->num_lanes_supported)
+			return -EINVAL;
+
+		lane_number = t;
+		polarity = dsi->lanes[t].polarity;
+
+		r = FLD_MOD(r, lane_number + 1, offset + 2, offset);
+		r = FLD_MOD(r, polarity, offset + 3, offset + 3);
+	}
+
+	/* clear the unused lanes */
+	for (; i < dsi->num_lanes_supported; ++i) {
+		unsigned offset = offsets[i];
+
+		r = FLD_MOD(r, 0, offset + 2, offset);
+		r = FLD_MOD(r, 0, offset + 3, offset + 3);
+	}
+
+	dsi_write_reg(dsidev, DSI_COMPLEXIO_CFG1, r);
+
+	return 0;
+}
+
+static inline unsigned ns2ddr(struct platform_device *dsidev, unsigned ns)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* convert time in ns to ddr ticks, rounding up */
+	unsigned long ddr_clk = dsi->current_cinfo.clkin4ddr / 4;
+	return (ns * (ddr_clk / 1000 / 1000) + 999) / 1000;
+}
+
+static inline unsigned ddr2ns(struct platform_device *dsidev, unsigned ddr)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	unsigned long ddr_clk = dsi->current_cinfo.clkin4ddr / 4;
+	return ddr * 1000 * 1000 / (ddr_clk / 1000);
+}
+
+static void dsi_cio_timings(struct platform_device *dsidev)
+{
+	u32 r;
+	u32 ths_prepare, ths_prepare_ths_zero, ths_trail, ths_exit;
+	u32 tlpx_half, tclk_trail, tclk_zero;
+	u32 tclk_prepare;
+
+	/* calculate timings */
+
+	/* 1 * DDR_CLK = 2 * UI */
+
+	/* min 40ns + 4*UI	max 85ns + 6*UI */
+	ths_prepare = ns2ddr(dsidev, 70) + 2;
+
+	/* min 145ns + 10*UI */
+	ths_prepare_ths_zero = ns2ddr(dsidev, 175) + 2;
+
+	/* min max(8*UI, 60ns+4*UI) */
+	ths_trail = ns2ddr(dsidev, 60) + 5;
+
+	/* min 100ns */
+	ths_exit = ns2ddr(dsidev, 145);
+
+	/* tlpx min 50n */
+	tlpx_half = ns2ddr(dsidev, 25);
+
+	/* min 60ns */
+	tclk_trail = ns2ddr(dsidev, 60) + 2;
+
+	/* min 38ns, max 95ns */
+	tclk_prepare = ns2ddr(dsidev, 65);
+
+	/* min tclk-prepare + tclk-zero = 300ns */
+	tclk_zero = ns2ddr(dsidev, 260);
+
+	DSSDBG("ths_prepare %u (%uns), ths_prepare_ths_zero %u (%uns)\n",
+		ths_prepare, ddr2ns(dsidev, ths_prepare),
+		ths_prepare_ths_zero, ddr2ns(dsidev, ths_prepare_ths_zero));
+	DSSDBG("ths_trail %u (%uns), ths_exit %u (%uns)\n",
+			ths_trail, ddr2ns(dsidev, ths_trail),
+			ths_exit, ddr2ns(dsidev, ths_exit));
+
+	DSSDBG("tlpx_half %u (%uns), tclk_trail %u (%uns), "
+			"tclk_zero %u (%uns)\n",
+			tlpx_half, ddr2ns(dsidev, tlpx_half),
+			tclk_trail, ddr2ns(dsidev, tclk_trail),
+			tclk_zero, ddr2ns(dsidev, tclk_zero));
+	DSSDBG("tclk_prepare %u (%uns)\n",
+			tclk_prepare, ddr2ns(dsidev, tclk_prepare));
+
+	/* program timings */
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+	r = FLD_MOD(r, ths_prepare, 31, 24);
+	r = FLD_MOD(r, ths_prepare_ths_zero, 23, 16);
+	r = FLD_MOD(r, ths_trail, 15, 8);
+	r = FLD_MOD(r, ths_exit, 7, 0);
+	dsi_write_reg(dsidev, DSI_DSIPHY_CFG0, r);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+	r = FLD_MOD(r, tlpx_half, 22, 16);
+	r = FLD_MOD(r, tclk_trail, 15, 8);
+	r = FLD_MOD(r, tclk_zero, 7, 0);
+	dsi_write_reg(dsidev, DSI_DSIPHY_CFG1, r);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
+	r = FLD_MOD(r, tclk_prepare, 7, 0);
+	dsi_write_reg(dsidev, DSI_DSIPHY_CFG2, r);
+}
+
+/* lane masks have lane 0 at lsb. mask_p for positive lines, n for negative */
+static void dsi_cio_enable_lane_override(struct omap_dss_device *dssdev,
+		unsigned mask_p, unsigned mask_n)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+	u32 l;
+	u8 lptxscp_start = dsi->num_lanes_supported == 3 ? 22 : 26;
+
+	l = 0;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		unsigned p = dsi->lanes[i].polarity;
+
+		if (mask_p & (1 << i))
+			l |= 1 << (i * 2 + (p ? 0 : 1));
+
+		if (mask_n & (1 << i))
+			l |= 1 << (i * 2 + (p ? 1 : 0));
+	}
+
+	/*
+	 * Bits in REGLPTXSCPDAT4TO0DXDY:
+	 * 17: DY0 18: DX0
+	 * 19: DY1 20: DX1
+	 * 21: DY2 22: DX2
+	 * 23: DY3 24: DX3
+	 * 25: DY4 26: DX4
+	 */
+
+	/* Set the lane override configuration */
+
+	/* REGLPTXSCPDAT4TO0DXDY */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, l, lptxscp_start, 17);
+
+	/* Enable lane override */
+
+	/* ENLPTXSCPDAT */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 1, 27, 27);
+}
+
+static void dsi_cio_disable_lane_override(struct platform_device *dsidev)
+{
+	/* Disable lane override */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 27, 27); /* ENLPTXSCPDAT */
+	/* Reset the lane override configuration */
+	/* REGLPTXSCPDAT4TO0DXDY */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 22, 17);
+}
+
+static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int t, i;
+	bool in_use[DSI_MAX_NR_LANES];
+	static const u8 offsets_old[] = { 28, 27, 26 };
+	static const u8 offsets_new[] = { 24, 25, 26, 27, 28 };
+	const u8 *offsets;
+
+	if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC))
+		offsets = offsets_old;
+	else
+		offsets = offsets_new;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i)
+		in_use[i] = dsi->lanes[i].function != DSI_LANE_UNUSED;
+
+	t = 100000;
+	while (true) {
+		u32 l;
+		int ok;
+
+		l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+
+		ok = 0;
+		for (i = 0; i < dsi->num_lanes_supported; ++i) {
+			if (!in_use[i] || (l & (1 << offsets[i])))
+				ok++;
+		}
+
+		if (ok == dsi->num_lanes_supported)
+			break;
+
+		if (--t == 0) {
+			for (i = 0; i < dsi->num_lanes_supported; ++i) {
+				if (!in_use[i] || (l & (1 << offsets[i])))
+					continue;
+
+				DSSERR("CIO TXCLKESC%d domain not coming " \
+						"out of reset\n", i);
+			}
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
+/* return bitmask of enabled lanes, lane0 being the lsb */
+static unsigned dsi_get_lane_mask(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned mask = 0;
+	int i;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		if (dsi->lanes[i].function != DSI_LANE_UNUSED)
+			mask |= 1 << i;
+	}
+
+	return mask;
+}
+
+static int dsi_cio_init(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+	u32 l;
+
+	DSSDBGF();
+
+	r = dsi->enable_pads(dsidev->id, dsi_get_lane_mask(dssdev));
+	if (r)
+		return r;
+
+	dsi_enable_scp_clk(dsidev);
+
+	/* A dummy read using the SCP interface to any DSIPHY register is
+	 * required after DSIPHY reset to complete the reset of the DSI complex
+	 * I/O. */
+	dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+
+	if (wait_for_bit_change(dsidev, DSI_DSIPHY_CFG5, 30, 1) != 1) {
+		DSSERR("CIO SCP Clock domain not coming out of reset.\n");
+		r = -EIO;
+		goto err_scp_clk_dom;
+	}
+
+	r = dsi_set_lane_config(dssdev);
+	if (r)
+		goto err_scp_clk_dom;
+
+	/* set TX STOP MODE timer to maximum for this operation */
+	l = dsi_read_reg(dsidev, DSI_TIMING1);
+	l = FLD_MOD(l, 1, 15, 15);	/* FORCE_TX_STOP_MODE_IO */
+	l = FLD_MOD(l, 1, 14, 14);	/* STOP_STATE_X16_IO */
+	l = FLD_MOD(l, 1, 13, 13);	/* STOP_STATE_X4_IO */
+	l = FLD_MOD(l, 0x1fff, 12, 0);	/* STOP_STATE_COUNTER_IO */
+	dsi_write_reg(dsidev, DSI_TIMING1, l);
+
+	if (dsi->ulps_enabled) {
+		unsigned mask_p;
+		int i;
+
+		DSSDBG("manual ulps exit\n");
+
+		/* ULPS is exited by Mark-1 state for 1ms, followed by
+		 * stop state. DSS HW cannot do this via the normal
+		 * ULPS exit sequence, as after reset the DSS HW thinks
+		 * that we are not in ULPS mode, and refuses to send the
+		 * sequence. So we need to send the ULPS exit sequence
+		 * manually by setting positive lines high and negative lines
+		 * low for 1ms.
+		 */
+
+		mask_p = 0;
+
+		for (i = 0; i < dsi->num_lanes_supported; ++i) {
+			if (dsi->lanes[i].function == DSI_LANE_UNUSED)
+				continue;
+			mask_p |= 1 << i;
+		}
+
+		dsi_cio_enable_lane_override(dssdev, mask_p, 0);
+	}
+
+	r = dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ON);
+	if (r)
+		goto err_cio_pwr;
+
+	if (wait_for_bit_change(dsidev, DSI_COMPLEXIO_CFG1, 29, 1) != 1) {
+		DSSERR("CIO PWR clock domain not coming out of reset.\n");
+		r = -ENODEV;
+		goto err_cio_pwr_dom;
+	}
+
+	dsi_if_enable(dsidev, true);
+	dsi_if_enable(dsidev, false);
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 20, 20); /* LP_CLK_ENABLE */
+
+	r = dsi_cio_wait_tx_clk_esc_reset(dssdev);
+	if (r)
+		goto err_tx_clk_esc_rst;
+
+	if (dsi->ulps_enabled) {
+		/* Keep Mark-1 state for 1ms (as per DSI spec) */
+		ktime_t wait = ns_to_ktime(1000 * 1000);
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_hrtimeout(&wait, HRTIMER_MODE_REL);
+
+		/* Disable the override. The lanes should be set to Mark-11
+		 * state by the HW */
+		dsi_cio_disable_lane_override(dsidev);
+	}
+
+	/* FORCE_TX_STOP_MODE_IO */
+	REG_FLD_MOD(dsidev, DSI_TIMING1, 0, 15, 15);
+
+	dsi_cio_timings(dsidev);
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		/* DDR_CLK_ALWAYS_ON */
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL,
+			dssdev->panel.dsi_vm_data.ddr_clk_always_on, 13, 13);
+	}
+
+	dsi->ulps_enabled = false;
+
+	DSSDBG("CIO init done\n");
+
+	return 0;
+
+err_tx_clk_esc_rst:
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 20, 20); /* LP_CLK_ENABLE */
+err_cio_pwr_dom:
+	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
+err_cio_pwr:
+	if (dsi->ulps_enabled)
+		dsi_cio_disable_lane_override(dsidev);
+err_scp_clk_dom:
+	dsi_disable_scp_clk(dsidev);
+	dsi->disable_pads(dsidev->id, dsi_get_lane_mask(dssdev));
+	return r;
+}
+
+static void dsi_cio_uninit(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* DDR_CLK_ALWAYS_ON */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 13, 13);
+
+	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
+	dsi_disable_scp_clk(dsidev);
+	dsi->disable_pads(dsidev->id, dsi_get_lane_mask(dssdev));
+}
+
+static void dsi_config_tx_fifo(struct platform_device *dsidev,
+		enum fifo_size size1, enum fifo_size size2,
+		enum fifo_size size3, enum fifo_size size4)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r = 0;
+	int add = 0;
+	int i;
+
+	dsi->vc[0].fifo_size = size1;
+	dsi->vc[1].fifo_size = size2;
+	dsi->vc[2].fifo_size = size3;
+	dsi->vc[3].fifo_size = size4;
+
+	for (i = 0; i < 4; i++) {
+		u8 v;
+		int size = dsi->vc[i].fifo_size;
+
+		if (add + size > 4) {
+			DSSERR("Illegal FIFO configuration\n");
+			BUG();
+		}
+
+		v = FLD_VAL(add, 2, 0) | FLD_VAL(size, 7, 4);
+		r |= v << (8 * i);
+		/*DSSDBG("TX FIFO vc %d: size %d, add %d\n", i, size, add); */
+		add += size;
+	}
+
+	dsi_write_reg(dsidev, DSI_TX_FIFO_VC_SIZE, r);
+}
+
+static void dsi_config_rx_fifo(struct platform_device *dsidev,
+		enum fifo_size size1, enum fifo_size size2,
+		enum fifo_size size3, enum fifo_size size4)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r = 0;
+	int add = 0;
+	int i;
+
+	dsi->vc[0].fifo_size = size1;
+	dsi->vc[1].fifo_size = size2;
+	dsi->vc[2].fifo_size = size3;
+	dsi->vc[3].fifo_size = size4;
+
+	for (i = 0; i < 4; i++) {
+		u8 v;
+		int size = dsi->vc[i].fifo_size;
+
+		if (add + size > 4) {
+			DSSERR("Illegal FIFO configuration\n");
+			BUG();
+		}
+
+		v = FLD_VAL(add, 2, 0) | FLD_VAL(size, 7, 4);
+		r |= v << (8 * i);
+		/*DSSDBG("RX FIFO vc %d: size %d, add %d\n", i, size, add); */
+		add += size;
+	}
+
+	dsi_write_reg(dsidev, DSI_RX_FIFO_VC_SIZE, r);
+}
+
+static int dsi_force_tx_stop_mode_io(struct platform_device *dsidev)
+{
+	u32 r;
+
+	r = dsi_read_reg(dsidev, DSI_TIMING1);
+	r = FLD_MOD(r, 1, 15, 15);	/* FORCE_TX_STOP_MODE_IO */
+	dsi_write_reg(dsidev, DSI_TIMING1, r);
+
+	if (wait_for_bit_change(dsidev, DSI_TIMING1, 15, 0) != 0) {
+		DSSERR("TX_STOP bit not going down\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static bool dsi_vc_is_enabled(struct platform_device *dsidev, int channel)
+{
+	return REG_GET(dsidev, DSI_VC_CTRL(channel), 0, 0);
+}
+
+static void dsi_packet_sent_handler_vp(void *data, u32 mask)
+{
+	struct dsi_packet_sent_handler_data *vp_data =
+		(struct dsi_packet_sent_handler_data *) data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(vp_data->dsidev);
+	const int channel = dsi->update_channel;
+	u8 bit = dsi->te_enabled ? 30 : 31;
+
+	if (REG_GET(vp_data->dsidev, DSI_VC_TE(channel), bit, bit) == 0)
+		complete(vp_data->completion);
+}
+
+static int dsi_sync_vc_vp(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct dsi_packet_sent_handler_data vp_data = { dsidev, &completion };
+	int r = 0;
+	u8 bit;
+
+	bit = dsi->te_enabled ? 30 : 31;
+
+	r = dsi_register_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+		&vp_data, DSI_VC_IRQ_PACKET_SENT);
+	if (r)
+		goto err0;
+
+	/* Wait for completion only if TE_EN/TE_START is still set */
+	if (REG_GET(dsidev, DSI_VC_TE(channel), bit, bit)) {
+		if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(10)) == 0) {
+			DSSERR("Failed to complete previous frame transfer\n");
+			r = -EIO;
+			goto err1;
+		}
+	}
+
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+		&vp_data, DSI_VC_IRQ_PACKET_SENT);
+
+	return 0;
+err1:
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+		&vp_data, DSI_VC_IRQ_PACKET_SENT);
+err0:
+	return r;
+}
+
+static void dsi_packet_sent_handler_l4(void *data, u32 mask)
+{
+	struct dsi_packet_sent_handler_data *l4_data =
+		(struct dsi_packet_sent_handler_data *) data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(l4_data->dsidev);
+	const int channel = dsi->update_channel;
+
+	if (REG_GET(l4_data->dsidev, DSI_VC_CTRL(channel), 5, 5) == 0)
+		complete(l4_data->completion);
+}
+
+static int dsi_sync_vc_l4(struct platform_device *dsidev, int channel)
+{
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct dsi_packet_sent_handler_data l4_data = { dsidev, &completion };
+	int r = 0;
+
+	r = dsi_register_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+		&l4_data, DSI_VC_IRQ_PACKET_SENT);
+	if (r)
+		goto err0;
+
+	/* Wait for completion only if TX_FIFO_NOT_EMPTY is still set */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 5, 5)) {
+		if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(10)) == 0) {
+			DSSERR("Failed to complete previous l4 transfer\n");
+			r = -EIO;
+			goto err1;
+		}
+	}
+
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+		&l4_data, DSI_VC_IRQ_PACKET_SENT);
+
+	return 0;
+err1:
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+		&l4_data, DSI_VC_IRQ_PACKET_SENT);
+err0:
+	return r;
+}
+
+static int dsi_sync_vc(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	WARN_ON(in_interrupt());
+
+	if (!dsi_vc_is_enabled(dsidev, channel))
+		return 0;
+
+	switch (dsi->vc[channel].source) {
+	case DSI_VC_SOURCE_VP:
+		return dsi_sync_vc_vp(dsidev, channel);
+	case DSI_VC_SOURCE_L4:
+		return dsi_sync_vc_l4(dsidev, channel);
+	default:
+		BUG();
+	}
+}
+
+static int dsi_vc_enable(struct platform_device *dsidev, int channel,
+		bool enable)
+{
+	DSSDBG("dsi_vc_enable channel %d, enable %d\n",
+			channel, enable);
+
+	enable = enable ? 1 : 0;
+
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 0, 0);
+
+	if (wait_for_bit_change(dsidev, DSI_VC_CTRL(channel),
+		0, enable) != enable) {
+			DSSERR("Failed to set dsi_vc_enable to %d\n", enable);
+			return -EIO;
+	}
+
+	return 0;
+}
+
+static void dsi_vc_initial_config(struct platform_device *dsidev, int channel)
+{
+	u32 r;
+
+	DSSDBGF("%d", channel);
+
+	r = dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
+
+	if (FLD_GET(r, 15, 15)) /* VC_BUSY */
+		DSSERR("VC(%d) busy when trying to configure it!\n",
+				channel);
+
+	r = FLD_MOD(r, 0, 1, 1); /* SOURCE, 0 = L4 */
+	r = FLD_MOD(r, 0, 2, 2); /* BTA_SHORT_EN  */
+	r = FLD_MOD(r, 0, 3, 3); /* BTA_LONG_EN */
+	r = FLD_MOD(r, 0, 4, 4); /* MODE, 0 = command */
+	r = FLD_MOD(r, 1, 7, 7); /* CS_TX_EN */
+	r = FLD_MOD(r, 1, 8, 8); /* ECC_TX_EN */
+	r = FLD_MOD(r, 0, 9, 9); /* MODE_SPEED, high speed on/off */
+	if (dss_has_feature(FEAT_DSI_VC_OCP_WIDTH))
+		r = FLD_MOD(r, 3, 11, 10);	/* OCP_WIDTH = 32 bit */
+
+	r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
+	r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */
+
+	dsi_write_reg(dsidev, DSI_VC_CTRL(channel), r);
+}
+
+static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
+		enum dsi_vc_source source)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->vc[channel].source == source)
+		return 0;
+
+	DSSDBGF("%d", channel);
+
+	dsi_sync_vc(dsidev, channel);
+
+	dsi_vc_enable(dsidev, channel, 0);
+
+	/* VC_BUSY */
+	if (wait_for_bit_change(dsidev, DSI_VC_CTRL(channel), 15, 0) != 0) {
+		DSSERR("vc(%d) busy when trying to config for VP\n", channel);
+		return -EIO;
+	}
+
+	/* SOURCE, 0 = L4, 1 = video port */
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), source, 1, 1);
+
+	/* DCS_CMD_ENABLE */
+	if (dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+		bool enable = source == DSI_VC_SOURCE_VP;
+		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 30, 30);
+	}
+
+	dsi_vc_enable(dsidev, channel, 1);
+
+	dsi->vc[channel].source = source;
+
+	return 0;
+}
+
+void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
+		bool enable)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable);
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	dsi_vc_enable(dsidev, channel, 0);
+	dsi_if_enable(dsidev, 0);
+
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 9, 9);
+
+	dsi_vc_enable(dsidev, channel, 1);
+	dsi_if_enable(dsidev, 1);
+
+	dsi_force_tx_stop_mode_io(dsidev);
+
+	/* start the DDR clock by sending a NULL packet */
+	if (dssdev->panel.dsi_vm_data.ddr_clk_always_on && enable)
+		dsi_vc_send_null(dssdev, channel);
+}
+EXPORT_SYMBOL(omapdss_dsi_vc_enable_hs);
+
+static void dsi_vc_flush_long_data(struct platform_device *dsidev, int channel)
+{
+	while (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		u32 val;
+		val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+		DSSDBG("\t\tb1 %#02x b2 %#02x b3 %#02x b4 %#02x\n",
+				(val >> 0) & 0xff,
+				(val >> 8) & 0xff,
+				(val >> 16) & 0xff,
+				(val >> 24) & 0xff);
+	}
+}
+
+static void dsi_show_rx_ack_with_err(u16 err)
+{
+	DSSERR("\tACK with ERROR (%#x):\n", err);
+	if (err & (1 << 0))
+		DSSERR("\t\tSoT Error\n");
+	if (err & (1 << 1))
+		DSSERR("\t\tSoT Sync Error\n");
+	if (err & (1 << 2))
+		DSSERR("\t\tEoT Sync Error\n");
+	if (err & (1 << 3))
+		DSSERR("\t\tEscape Mode Entry Command Error\n");
+	if (err & (1 << 4))
+		DSSERR("\t\tLP Transmit Sync Error\n");
+	if (err & (1 << 5))
+		DSSERR("\t\tHS Receive Timeout Error\n");
+	if (err & (1 << 6))
+		DSSERR("\t\tFalse Control Error\n");
+	if (err & (1 << 7))
+		DSSERR("\t\t(reserved7)\n");
+	if (err & (1 << 8))
+		DSSERR("\t\tECC Error, single-bit (corrected)\n");
+	if (err & (1 << 9))
+		DSSERR("\t\tECC Error, multi-bit (not corrected)\n");
+	if (err & (1 << 10))
+		DSSERR("\t\tChecksum Error\n");
+	if (err & (1 << 11))
+		DSSERR("\t\tData type not recognized\n");
+	if (err & (1 << 12))
+		DSSERR("\t\tInvalid VC ID\n");
+	if (err & (1 << 13))
+		DSSERR("\t\tInvalid Transmission Length\n");
+	if (err & (1 << 14))
+		DSSERR("\t\t(reserved14)\n");
+	if (err & (1 << 15))
+		DSSERR("\t\tDSI Protocol Violation\n");
+}
+
+static u16 dsi_vc_flush_receive_data(struct platform_device *dsidev,
+		int channel)
+{
+	/* RX_FIFO_NOT_EMPTY */
+	while (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		u32 val;
+		u8 dt;
+		val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+		DSSERR("\trawval %#08x\n", val);
+		dt = FLD_GET(val, 5, 0);
+		if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
+			u16 err = FLD_GET(val, 23, 8);
+			dsi_show_rx_ack_with_err(err);
+		} else if (dt == MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE) {
+			DSSERR("\tDCS short response, 1 byte: %#x\n",
+					FLD_GET(val, 23, 8));
+		} else if (dt == MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE) {
+			DSSERR("\tDCS short response, 2 byte: %#x\n",
+					FLD_GET(val, 23, 8));
+		} else if (dt == MIPI_DSI_RX_DCS_LONG_READ_RESPONSE) {
+			DSSERR("\tDCS long response, len %d\n",
+					FLD_GET(val, 23, 8));
+			dsi_vc_flush_long_data(dsidev, channel);
+		} else {
+			DSSERR("\tunknown datatype 0x%02x\n", dt);
+		}
+	}
+	return 0;
+}
+
+static int dsi_vc_send_bta(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->debug_write || dsi->debug_read)
+		DSSDBG("dsi_vc_send_bta %d\n", channel);
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	/* RX_FIFO_NOT_EMPTY */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
+		dsi_vc_flush_receive_data(dsidev, channel);
+	}
+
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */
+
+	/* flush posted write */
+	dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
+
+	return 0;
+}
+
+int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	DECLARE_COMPLETION_ONSTACK(completion);
+	int r = 0;
+	u32 err;
+
+	r = dsi_register_isr_vc(dsidev, channel, dsi_completion_handler,
+			&completion, DSI_VC_IRQ_BTA);
+	if (r)
+		goto err0;
+
+	r = dsi_register_isr(dsidev, dsi_completion_handler, &completion,
+			DSI_IRQ_ERROR_MASK);
+	if (r)
+		goto err1;
+
+	r = dsi_vc_send_bta(dsidev, channel);
+	if (r)
+		goto err2;
+
+	if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(500)) == 0) {
+		DSSERR("Failed to receive BTA\n");
+		r = -EIO;
+		goto err2;
+	}
+
+	err = dsi_get_errors(dsidev);
+	if (err) {
+		DSSERR("Error while sending BTA: %x\n", err);
+		r = -EIO;
+		goto err2;
+	}
+err2:
+	dsi_unregister_isr(dsidev, dsi_completion_handler, &completion,
+			DSI_IRQ_ERROR_MASK);
+err1:
+	dsi_unregister_isr_vc(dsidev, channel, dsi_completion_handler,
+			&completion, DSI_VC_IRQ_BTA);
+err0:
+	return r;
+}
+EXPORT_SYMBOL(dsi_vc_send_bta_sync);
+
+static inline void dsi_vc_write_long_header(struct platform_device *dsidev,
+		int channel, u8 data_type, u16 len, u8 ecc)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 val;
+	u8 data_id;
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	data_id = data_type | dsi->vc[channel].vc_id << 6;
+
+	val = FLD_VAL(data_id, 7, 0) | FLD_VAL(len, 23, 8) |
+		FLD_VAL(ecc, 31, 24);
+
+	dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_HEADER(channel), val);
+}
+
+static inline void dsi_vc_write_long_payload(struct platform_device *dsidev,
+		int channel, u8 b1, u8 b2, u8 b3, u8 b4)
+{
+	u32 val;
+
+	val = b4 << 24 | b3 << 16 | b2 << 8  | b1 << 0;
+
+/*	DSSDBG("\twriting %02x, %02x, %02x, %02x (%#010x)\n",
+			b1, b2, b3, b4, val); */
+
+	dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_PAYLOAD(channel), val);
+}
+
+static int dsi_vc_send_long(struct platform_device *dsidev, int channel,
+		u8 data_type, u8 *data, u16 len, u8 ecc)
+{
+	/*u32 val; */
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+	u8 *p;
+	int r = 0;
+	u8 b1, b2, b3, b4;
+
+	if (dsi->debug_write)
+		DSSDBG("dsi_vc_send_long, %d bytes\n", len);
+
+	/* len + header */
+	if (dsi->vc[channel].fifo_size * 32 * 4 < len + 4) {
+		DSSERR("unable to send long packet: packet too long.\n");
+		return -EINVAL;
+	}
+
+	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_L4);
+
+	dsi_vc_write_long_header(dsidev, channel, data_type, len, ecc);
+
+	p = data;
+	for (i = 0; i < len >> 2; i++) {
+		if (dsi->debug_write)
+			DSSDBG("\tsending full packet %d\n", i);
+
+		b1 = *p++;
+		b2 = *p++;
+		b3 = *p++;
+		b4 = *p++;
+
+		dsi_vc_write_long_payload(dsidev, channel, b1, b2, b3, b4);
+	}
+
+	i = len % 4;
+	if (i) {
+		b1 = 0; b2 = 0; b3 = 0;
+
+		if (dsi->debug_write)
+			DSSDBG("\tsending remainder bytes %d\n", i);
+
+		switch (i) {
+		case 3:
+			b1 = *p++;
+			b2 = *p++;
+			b3 = *p++;
+			break;
+		case 2:
+			b1 = *p++;
+			b2 = *p++;
+			break;
+		case 1:
+			b1 = *p++;
+			break;
+		}
+
+		dsi_vc_write_long_payload(dsidev, channel, b1, b2, b3, 0);
+	}
+
+	return r;
+}
+
+static int dsi_vc_send_short(struct platform_device *dsidev, int channel,
+		u8 data_type, u16 data, u8 ecc)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r;
+	u8 data_id;
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	if (dsi->debug_write)
+		DSSDBG("dsi_vc_send_short(ch%d, dt %#x, b1 %#x, b2 %#x)\n",
+				channel,
+				data_type, data & 0xff, (data >> 8) & 0xff);
+
+	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_L4);
+
+	if (FLD_GET(dsi_read_reg(dsidev, DSI_VC_CTRL(channel)), 16, 16)) {
+		DSSERR("ERROR FIFO FULL, aborting transfer\n");
+		return -EINVAL;
+	}
+
+	data_id = data_type | dsi->vc[channel].vc_id << 6;
+
+	r = (data_id << 0) | (data << 8) | (ecc << 24);
+
+	dsi_write_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel), r);
+
+	return 0;
+}
+
+int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_send_long(dsidev, channel, MIPI_DSI_NULL_PACKET, NULL,
+		0, 0);
+}
+EXPORT_SYMBOL(dsi_vc_send_null);
+
+static int dsi_vc_write_nosync_common(struct omap_dss_device *dssdev,
+		int channel, u8 *data, int len, enum dss_dsi_content_type type)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	if (len == 0) {
+		BUG_ON(type == DSS_DSI_CONTENT_DCS);
+		r = dsi_vc_send_short(dsidev, channel,
+				MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM, 0, 0);
+	} else if (len == 1) {
+		r = dsi_vc_send_short(dsidev, channel,
+				type == DSS_DSI_CONTENT_GENERIC ?
+				MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM :
+				MIPI_DSI_DCS_SHORT_WRITE, data[0], 0);
+	} else if (len == 2) {
+		r = dsi_vc_send_short(dsidev, channel,
+				type == DSS_DSI_CONTENT_GENERIC ?
+				MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM :
+				MIPI_DSI_DCS_SHORT_WRITE_PARAM,
+				data[0] | (data[1] << 8), 0);
+	} else {
+		r = dsi_vc_send_long(dsidev, channel,
+				type == DSS_DSI_CONTENT_GENERIC ?
+				MIPI_DSI_GENERIC_LONG_WRITE :
+				MIPI_DSI_DCS_LONG_WRITE, data, len, 0);
+	}
+
+	return r;
+}
+
+int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len)
+{
+	return dsi_vc_write_nosync_common(dssdev, channel, data, len,
+			DSS_DSI_CONTENT_DCS);
+}
+EXPORT_SYMBOL(dsi_vc_dcs_write_nosync);
+
+int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len)
+{
+	return dsi_vc_write_nosync_common(dssdev, channel, data, len,
+			DSS_DSI_CONTENT_GENERIC);
+}
+EXPORT_SYMBOL(dsi_vc_generic_write_nosync);
+
+static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len, enum dss_dsi_content_type type)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	r = dsi_vc_write_nosync_common(dssdev, channel, data, len, type);
+	if (r)
+		goto err;
+
+	r = dsi_vc_send_bta_sync(dssdev, channel);
+	if (r)
+		goto err;
+
+	/* RX_FIFO_NOT_EMPTY */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		DSSERR("rx fifo not empty after write, dumping data:\n");
+		dsi_vc_flush_receive_data(dsidev, channel);
+		r = -EIO;
+		goto err;
+	}
+
+	return 0;
+err:
+	DSSERR("dsi_vc_write_common(ch %d, cmd 0x%02x, len %d) failed\n",
+			channel, data[0], len);
+	return r;
+}
+
+int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+		int len)
+{
+	return dsi_vc_write_common(dssdev, channel, data, len,
+			DSS_DSI_CONTENT_DCS);
+}
+EXPORT_SYMBOL(dsi_vc_dcs_write);
+
+int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+		int len)
+{
+	return dsi_vc_write_common(dssdev, channel, data, len,
+			DSS_DSI_CONTENT_GENERIC);
+}
+EXPORT_SYMBOL(dsi_vc_generic_write);
+
+int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd)
+{
+	return dsi_vc_dcs_write(dssdev, channel, &dcs_cmd, 1);
+}
+EXPORT_SYMBOL(dsi_vc_dcs_write_0);
+
+int dsi_vc_generic_write_0(struct omap_dss_device *dssdev, int channel)
+{
+	return dsi_vc_generic_write(dssdev, channel, NULL, 0);
+}
+EXPORT_SYMBOL(dsi_vc_generic_write_0);
+
+int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 param)
+{
+	u8 buf[2];
+	buf[0] = dcs_cmd;
+	buf[1] = param;
+	return dsi_vc_dcs_write(dssdev, channel, buf, 2);
+}
+EXPORT_SYMBOL(dsi_vc_dcs_write_1);
+
+int dsi_vc_generic_write_1(struct omap_dss_device *dssdev, int channel,
+		u8 param)
+{
+	return dsi_vc_generic_write(dssdev, channel, &param, 1);
+}
+EXPORT_SYMBOL(dsi_vc_generic_write_1);
+
+int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
+		u8 param1, u8 param2)
+{
+	u8 buf[2];
+	buf[0] = param1;
+	buf[1] = param2;
+	return dsi_vc_generic_write(dssdev, channel, buf, 2);
+}
+EXPORT_SYMBOL(dsi_vc_generic_write_2);
+
+static int dsi_vc_dcs_send_read_request(struct omap_dss_device *dssdev,
+		int channel, u8 dcs_cmd)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+
+	if (dsi->debug_read)
+		DSSDBG("dsi_vc_dcs_send_read_request(ch%d, dcs_cmd %x)\n",
+			channel, dcs_cmd);
+
+	r = dsi_vc_send_short(dsidev, channel, MIPI_DSI_DCS_READ, dcs_cmd, 0);
+	if (r) {
+		DSSERR("dsi_vc_dcs_send_read_request(ch %d, cmd 0x%02x)"
+			" failed\n", channel, dcs_cmd);
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_vc_generic_send_read_request(struct omap_dss_device *dssdev,
+		int channel, u8 *reqdata, int reqlen)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u16 data;
+	u8 data_type;
+	int r;
+
+	if (dsi->debug_read)
+		DSSDBG("dsi_vc_generic_send_read_request(ch %d, reqlen %d)\n",
+			channel, reqlen);
+
+	if (reqlen == 0) {
+		data_type = MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM;
+		data = 0;
+	} else if (reqlen == 1) {
+		data_type = MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM;
+		data = reqdata[0];
+	} else if (reqlen == 2) {
+		data_type = MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM;
+		data = reqdata[0] | (reqdata[1] << 8);
+	} else {
+		BUG();
+	}
+
+	r = dsi_vc_send_short(dsidev, channel, data_type, data, 0);
+	if (r) {
+		DSSERR("dsi_vc_generic_send_read_request(ch %d, reqlen %d)"
+			" failed\n", channel, reqlen);
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_vc_read_rx_fifo(struct platform_device *dsidev, int channel,
+		u8 *buf, int buflen, enum dss_dsi_content_type type)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 val;
+	u8 dt;
+	int r;
+
+	/* RX_FIFO_NOT_EMPTY */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20) == 0) {
+		DSSERR("RX fifo empty when trying to read.\n");
+		r = -EIO;
+		goto err;
+	}
+
+	val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+	if (dsi->debug_read)
+		DSSDBG("\theader: %08x\n", val);
+	dt = FLD_GET(val, 5, 0);
+	if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
+		u16 err = FLD_GET(val, 23, 8);
+		dsi_show_rx_ack_with_err(err);
+		r = -EIO;
+		goto err;
+
+	} else if (dt == (type == DSS_DSI_CONTENT_GENERIC ?
+			MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE :
+			MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE)) {
+		u8 data = FLD_GET(val, 15, 8);
+		if (dsi->debug_read)
+			DSSDBG("\t%s short response, 1 byte: %02x\n",
+				type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" :
+				"DCS", data);
+
+		if (buflen < 1) {
+			r = -EIO;
+			goto err;
+		}
+
+		buf[0] = data;
+
+		return 1;
+	} else if (dt == (type == DSS_DSI_CONTENT_GENERIC ?
+			MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE :
+			MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE)) {
+		u16 data = FLD_GET(val, 23, 8);
+		if (dsi->debug_read)
+			DSSDBG("\t%s short response, 2 byte: %04x\n",
+				type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" :
+				"DCS", data);
+
+		if (buflen < 2) {
+			r = -EIO;
+			goto err;
+		}
+
+		buf[0] = data & 0xff;
+		buf[1] = (data >> 8) & 0xff;
+
+		return 2;
+	} else if (dt == (type == DSS_DSI_CONTENT_GENERIC ?
+			MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE :
+			MIPI_DSI_RX_DCS_LONG_READ_RESPONSE)) {
+		int w;
+		int len = FLD_GET(val, 23, 8);
+		if (dsi->debug_read)
+			DSSDBG("\t%s long response, len %d\n",
+				type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" :
+				"DCS", len);
+
+		if (len > buflen) {
+			r = -EIO;
+			goto err;
+		}
+
+		/* two byte checksum ends the packet, not included in len */
+		for (w = 0; w < len + 2;) {
+			int b;
+			val = dsi_read_reg(dsidev,
+				DSI_VC_SHORT_PACKET_HEADER(channel));
+			if (dsi->debug_read)
+				DSSDBG("\t\t%02x %02x %02x %02x\n",
+						(val >> 0) & 0xff,
+						(val >> 8) & 0xff,
+						(val >> 16) & 0xff,
+						(val >> 24) & 0xff);
+
+			for (b = 0; b < 4; ++b) {
+				if (w < len)
+					buf[w] = (val >> (b * 8)) & 0xff;
+				/* we discard the 2 byte checksum */
+				++w;
+			}
+		}
+
+		return len;
+	} else {
+		DSSERR("\tunknown datatype 0x%02x\n", dt);
+		r = -EIO;
+		goto err;
+	}
+
+	BUG();
+err:
+	DSSERR("dsi_vc_read_rx_fifo(ch %d type %s) failed\n", channel,
+		type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" : "DCS");
+
+	return r;
+}
+
+int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 *buf, int buflen)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	r = dsi_vc_dcs_send_read_request(dssdev, channel, dcs_cmd);
+	if (r)
+		goto err;
+
+	r = dsi_vc_send_bta_sync(dssdev, channel);
+	if (r)
+		goto err;
+
+	r = dsi_vc_read_rx_fifo(dsidev, channel, buf, buflen,
+		DSS_DSI_CONTENT_DCS);
+	if (r < 0)
+		goto err;
+
+	if (r != buflen) {
+		r = -EIO;
+		goto err;
+	}
+
+	return 0;
+err:
+	DSSERR("dsi_vc_dcs_read(ch %d, cmd 0x%02x) failed\n", channel, dcs_cmd);
+	return r;
+}
+EXPORT_SYMBOL(dsi_vc_dcs_read);
+
+static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel,
+		u8 *reqdata, int reqlen, u8 *buf, int buflen)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	r = dsi_vc_generic_send_read_request(dssdev, channel, reqdata, reqlen);
+	if (r)
+		return r;
+
+	r = dsi_vc_send_bta_sync(dssdev, channel);
+	if (r)
+		return r;
+
+	r = dsi_vc_read_rx_fifo(dsidev, channel, buf, buflen,
+		DSS_DSI_CONTENT_GENERIC);
+	if (r < 0)
+		return r;
+
+	if (r != buflen) {
+		r = -EIO;
+		return r;
+	}
+
+	return 0;
+}
+
+int dsi_vc_generic_read_0(struct omap_dss_device *dssdev, int channel, u8 *buf,
+		int buflen)
+{
+	int r;
+
+	r = dsi_vc_generic_read(dssdev, channel, NULL, 0, buf, buflen);
+	if (r) {
+		DSSERR("dsi_vc_generic_read_0(ch %d) failed\n", channel);
+		return r;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(dsi_vc_generic_read_0);
+
+int dsi_vc_generic_read_1(struct omap_dss_device *dssdev, int channel, u8 param,
+		u8 *buf, int buflen)
+{
+	int r;
+
+	r = dsi_vc_generic_read(dssdev, channel, &param, 1, buf, buflen);
+	if (r) {
+		DSSERR("dsi_vc_generic_read_1(ch %d) failed\n", channel);
+		return r;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(dsi_vc_generic_read_1);
+
+int dsi_vc_generic_read_2(struct omap_dss_device *dssdev, int channel,
+		u8 param1, u8 param2, u8 *buf, int buflen)
+{
+	int r;
+	u8 reqdata[2];
+
+	reqdata[0] = param1;
+	reqdata[1] = param2;
+
+	r = dsi_vc_generic_read(dssdev, channel, reqdata, 2, buf, buflen);
+	if (r) {
+		DSSERR("dsi_vc_generic_read_2(ch %d) failed\n", channel);
+		return r;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(dsi_vc_generic_read_2);
+
+int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
+		u16 len)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_send_short(dsidev, channel,
+			MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, len, 0);
+}
+EXPORT_SYMBOL(dsi_vc_set_max_rx_packet_size);
+
+static int dsi_enter_ulps(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	DECLARE_COMPLETION_ONSTACK(completion);
+	int r, i;
+	unsigned mask;
+
+	DSSDBGF();
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	WARN_ON(dsi->ulps_enabled);
+
+	if (dsi->ulps_enabled)
+		return 0;
+
+	/* DDR_CLK_ALWAYS_ON */
+	if (REG_GET(dsidev, DSI_CLK_CTRL, 13, 13)) {
+		dsi_if_enable(dsidev, 0);
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 13, 13);
+		dsi_if_enable(dsidev, 1);
+	}
+
+	dsi_sync_vc(dsidev, 0);
+	dsi_sync_vc(dsidev, 1);
+	dsi_sync_vc(dsidev, 2);
+	dsi_sync_vc(dsidev, 3);
+
+	dsi_force_tx_stop_mode_io(dsidev);
+
+	dsi_vc_enable(dsidev, 0, false);
+	dsi_vc_enable(dsidev, 1, false);
+	dsi_vc_enable(dsidev, 2, false);
+	dsi_vc_enable(dsidev, 3, false);
+
+	if (REG_GET(dsidev, DSI_COMPLEXIO_CFG2, 16, 16)) {	/* HS_BUSY */
+		DSSERR("HS busy when enabling ULPS\n");
+		return -EIO;
+	}
+
+	if (REG_GET(dsidev, DSI_COMPLEXIO_CFG2, 17, 17)) {	/* LP_BUSY */
+		DSSERR("LP busy when enabling ULPS\n");
+		return -EIO;
+	}
+
+	r = dsi_register_isr_cio(dsidev, dsi_completion_handler, &completion,
+			DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
+	if (r)
+		return r;
+
+	mask = 0;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		if (dsi->lanes[i].function == DSI_LANE_UNUSED)
+			continue;
+		mask |= 1 << i;
+	}
+	/* Assert TxRequestEsc for data lanes and TxUlpsClk for clk lane */
+	/* LANEx_ULPS_SIG2 */
+	REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG2, mask, 9, 5);
+
+	/* flush posted write and wait for SCP interface to finish the write */
+	dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG2);
+
+	if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(1000)) == 0) {
+		DSSERR("ULPS enable timeout\n");
+		r = -EIO;
+		goto err;
+	}
+
+	dsi_unregister_isr_cio(dsidev, dsi_completion_handler, &completion,
+			DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
+
+	/* Reset LANEx_ULPS_SIG2 */
+	REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG2, 0, 9, 5);
+
+	/* flush posted write and wait for SCP interface to finish the write */
+	dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG2);
+
+	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ULPS);
+
+	dsi_if_enable(dsidev, false);
+
+	dsi->ulps_enabled = true;
+
+	return 0;
+
+err:
+	dsi_unregister_isr_cio(dsidev, dsi_completion_handler, &completion,
+			DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
+	return r;
+}
+
+static void dsi_set_lp_rx_timeout(struct platform_device *dsidev,
+		unsigned ticks, bool x4, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in DSI_FCK */
+	fck = dsi_fclk_rate(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING2);
+	r = FLD_MOD(r, 1, 15, 15);	/* LP_RX_TO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 14, 14);	/* LP_RX_TO_X16 */
+	r = FLD_MOD(r, x4 ? 1 : 0, 13, 13);	/* LP_RX_TO_X4 */
+	r = FLD_MOD(r, ticks, 12, 0);	/* LP_RX_COUNTER */
+	dsi_write_reg(dsidev, DSI_TIMING2, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+	DSSDBG("LP_RX_TO %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_set_ta_timeout(struct platform_device *dsidev, unsigned ticks,
+		bool x8, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in DSI_FCK */
+	fck = dsi_fclk_rate(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING1);
+	r = FLD_MOD(r, 1, 31, 31);	/* TA_TO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 30, 30);	/* TA_TO_X16 */
+	r = FLD_MOD(r, x8 ? 1 : 0, 29, 29);	/* TA_TO_X8 */
+	r = FLD_MOD(r, ticks, 28, 16);	/* TA_TO_COUNTER */
+	dsi_write_reg(dsidev, DSI_TIMING1, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x8 ? 8 : 1);
+
+	DSSDBG("TA_TO %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x8 ? " x8" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_set_stop_state_counter(struct platform_device *dsidev,
+		unsigned ticks, bool x4, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in DSI_FCK */
+	fck = dsi_fclk_rate(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING1);
+	r = FLD_MOD(r, 1, 15, 15);	/* FORCE_TX_STOP_MODE_IO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 14, 14);	/* STOP_STATE_X16_IO */
+	r = FLD_MOD(r, x4 ? 1 : 0, 13, 13);	/* STOP_STATE_X4_IO */
+	r = FLD_MOD(r, ticks, 12, 0);	/* STOP_STATE_COUNTER_IO */
+	dsi_write_reg(dsidev, DSI_TIMING1, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+	DSSDBG("STOP_STATE_COUNTER %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_set_hs_tx_timeout(struct platform_device *dsidev,
+		unsigned ticks, bool x4, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in TxByteClkHS */
+	fck = dsi_get_txbyteclkhs(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING2);
+	r = FLD_MOD(r, 1, 31, 31);	/* HS_TX_TO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 30, 30);	/* HS_TX_TO_X16 */
+	r = FLD_MOD(r, x4 ? 1 : 0, 29, 29);	/* HS_TX_TO_X8 (4 really) */
+	r = FLD_MOD(r, ticks, 28, 16);	/* HS_TX_TO_COUNTER */
+	dsi_write_reg(dsidev, DSI_TIMING2, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+	DSSDBG("HS_TX_TO %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int num_line_buffers;
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+		unsigned line_buf_size = dsi_get_line_buf_size(dsidev);
+		struct omap_video_timings *timings = &dssdev->panel.timings;
+		/*
+		 * Don't use line buffers if width is greater than the video
+		 * port's line buffer size
+		 */
+		if (line_buf_size <= timings->x_res * bpp / 8)
+			num_line_buffers = 0;
+		else
+			num_line_buffers = 2;
+	} else {
+		/* Use maximum number of line buffers in command mode */
+		num_line_buffers = 2;
+	}
+
+	/* LINE_BUFFER */
+	REG_FLD_MOD(dsidev, DSI_CTRL, num_line_buffers, 13, 12);
+}
+
+static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int de_pol = dssdev->panel.dsi_vm_data.vp_de_pol;
+	int hsync_pol = dssdev->panel.dsi_vm_data.vp_hsync_pol;
+	int vsync_pol = dssdev->panel.dsi_vm_data.vp_vsync_pol;
+	bool vsync_end = dssdev->panel.dsi_vm_data.vp_vsync_end;
+	bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end;
+	u32 r;
+
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	r = FLD_MOD(r, de_pol, 9, 9);		/* VP_DE_POL */
+	r = FLD_MOD(r, hsync_pol, 10, 10);	/* VP_HSYNC_POL */
+	r = FLD_MOD(r, vsync_pol, 11, 11);	/* VP_VSYNC_POL */
+	r = FLD_MOD(r, 1, 15, 15);		/* VP_VSYNC_START */
+	r = FLD_MOD(r, vsync_end, 16, 16);	/* VP_VSYNC_END */
+	r = FLD_MOD(r, 1, 17, 17);		/* VP_HSYNC_START */
+	r = FLD_MOD(r, hsync_end, 18, 18);	/* VP_HSYNC_END */
+	dsi_write_reg(dsidev, DSI_CTRL, r);
+}
+
+static void dsi_config_blanking_modes(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int blanking_mode = dssdev->panel.dsi_vm_data.blanking_mode;
+	int hfp_blanking_mode = dssdev->panel.dsi_vm_data.hfp_blanking_mode;
+	int hbp_blanking_mode = dssdev->panel.dsi_vm_data.hbp_blanking_mode;
+	int hsa_blanking_mode = dssdev->panel.dsi_vm_data.hsa_blanking_mode;
+	u32 r;
+
+	/*
+	 * 0 = TX FIFO packets sent or LPS in corresponding blanking periods
+	 * 1 = Long blanking packets are sent in corresponding blanking periods
+	 */
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	r = FLD_MOD(r, blanking_mode, 20, 20);		/* BLANKING_MODE */
+	r = FLD_MOD(r, hfp_blanking_mode, 21, 21);	/* HFP_BLANKING */
+	r = FLD_MOD(r, hbp_blanking_mode, 22, 22);	/* HBP_BLANKING */
+	r = FLD_MOD(r, hsa_blanking_mode, 23, 23);	/* HSA_BLANKING */
+	dsi_write_reg(dsidev, DSI_CTRL, r);
+}
+
+static int dsi_proto_config(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	u32 r;
+	int buswidth = 0;
+
+	dsi_config_tx_fifo(dsidev, DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32);
+
+	dsi_config_rx_fifo(dsidev, DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32);
+
+	/* XXX what values for the timeouts? */
+	dsi_set_stop_state_counter(dsidev, 0x1000, false, false);
+	dsi_set_ta_timeout(dsidev, 0x1fff, true, true);
+	dsi_set_lp_rx_timeout(dsidev, 0x1fff, true, true);
+	dsi_set_hs_tx_timeout(dsidev, 0x1fff, true, true);
+
+	switch (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt)) {
+	case 16:
+		buswidth = 0;
+		break;
+	case 18:
+		buswidth = 1;
+		break;
+	case 24:
+		buswidth = 2;
+		break;
+	default:
+		BUG();
+	}
+
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	r = FLD_MOD(r, 1, 1, 1);	/* CS_RX_EN */
+	r = FLD_MOD(r, 1, 2, 2);	/* ECC_RX_EN */
+	r = FLD_MOD(r, 1, 3, 3);	/* TX_FIFO_ARBITRATION */
+	r = FLD_MOD(r, 1, 4, 4);	/* VP_CLK_RATIO, always 1, see errata*/
+	r = FLD_MOD(r, buswidth, 7, 6); /* VP_DATA_BUS_WIDTH */
+	r = FLD_MOD(r, 0, 8, 8);	/* VP_CLK_POL */
+	r = FLD_MOD(r, 1, 14, 14);	/* TRIGGER_RESET_MODE */
+	r = FLD_MOD(r, 1, 19, 19);	/* EOT_ENABLE */
+	if (!dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+		r = FLD_MOD(r, 1, 24, 24);	/* DCS_CMD_ENABLE */
+		/* DCS_CMD_CODE, 1=start, 0=continue */
+		r = FLD_MOD(r, 0, 25, 25);
+	}
+
+	dsi_write_reg(dsidev, DSI_CTRL, r);
+
+	dsi_config_vp_num_line_buffers(dssdev);
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		dsi_config_vp_sync_events(dssdev);
+		dsi_config_blanking_modes(dssdev);
+	}
+
+	dsi_vc_initial_config(dsidev, 0);
+	dsi_vc_initial_config(dsidev, 1);
+	dsi_vc_initial_config(dsidev, 2);
+	dsi_vc_initial_config(dsidev, 3);
+
+	return 0;
+}
+
+static void dsi_proto_timings(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned tlpx, tclk_zero, tclk_prepare, tclk_trail;
+	unsigned tclk_pre, tclk_post;
+	unsigned ths_prepare, ths_prepare_ths_zero, ths_zero;
+	unsigned ths_trail, ths_exit;
+	unsigned ddr_clk_pre, ddr_clk_post;
+	unsigned enter_hs_mode_lat, exit_hs_mode_lat;
+	unsigned ths_eot;
+	int ndl = dsi->num_lanes_used - 1;
+	u32 r;
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+	ths_prepare = FLD_GET(r, 31, 24);
+	ths_prepare_ths_zero = FLD_GET(r, 23, 16);
+	ths_zero = ths_prepare_ths_zero - ths_prepare;
+	ths_trail = FLD_GET(r, 15, 8);
+	ths_exit = FLD_GET(r, 7, 0);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+	tlpx = FLD_GET(r, 22, 16) * 2;
+	tclk_trail = FLD_GET(r, 15, 8);
+	tclk_zero = FLD_GET(r, 7, 0);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
+	tclk_prepare = FLD_GET(r, 7, 0);
+
+	/* min 8*UI */
+	tclk_pre = 20;
+	/* min 60ns + 52*UI */
+	tclk_post = ns2ddr(dsidev, 60) + 26;
+
+	ths_eot = DIV_ROUND_UP(4, ndl);
+
+	ddr_clk_pre = DIV_ROUND_UP(tclk_pre + tlpx + tclk_zero + tclk_prepare,
+			4);
+	ddr_clk_post = DIV_ROUND_UP(tclk_post + ths_trail, 4) + ths_eot;
+
+	BUG_ON(ddr_clk_pre == 0 || ddr_clk_pre > 255);
+	BUG_ON(ddr_clk_post == 0 || ddr_clk_post > 255);
+
+	r = dsi_read_reg(dsidev, DSI_CLK_TIMING);
+	r = FLD_MOD(r, ddr_clk_pre, 15, 8);
+	r = FLD_MOD(r, ddr_clk_post, 7, 0);
+	dsi_write_reg(dsidev, DSI_CLK_TIMING, r);
+
+	DSSDBG("ddr_clk_pre %u, ddr_clk_post %u\n",
+			ddr_clk_pre,
+			ddr_clk_post);
+
+	enter_hs_mode_lat = 1 + DIV_ROUND_UP(tlpx, 4) +
+		DIV_ROUND_UP(ths_prepare, 4) +
+		DIV_ROUND_UP(ths_zero + 3, 4);
+
+	exit_hs_mode_lat = DIV_ROUND_UP(ths_trail + ths_exit, 4) + 1 + ths_eot;
+
+	r = FLD_VAL(enter_hs_mode_lat, 31, 16) |
+		FLD_VAL(exit_hs_mode_lat, 15, 0);
+	dsi_write_reg(dsidev, DSI_VM_TIMING7, r);
+
+	DSSDBG("enter_hs_mode_lat %u, exit_hs_mode_lat %u\n",
+			enter_hs_mode_lat, exit_hs_mode_lat);
+
+	 if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		/* TODO: Implement a video mode check_timings function */
+		int hsa = dssdev->panel.dsi_vm_data.hsa;
+		int hfp = dssdev->panel.dsi_vm_data.hfp;
+		int hbp = dssdev->panel.dsi_vm_data.hbp;
+		int vsa = dssdev->panel.dsi_vm_data.vsa;
+		int vfp = dssdev->panel.dsi_vm_data.vfp;
+		int vbp = dssdev->panel.dsi_vm_data.vbp;
+		int window_sync = dssdev->panel.dsi_vm_data.window_sync;
+		bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end;
+		struct omap_video_timings *timings = &dssdev->panel.timings;
+		int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+		int tl, t_he, width_bytes;
+
+		t_he = hsync_end ?
+			((hsa == 0 && ndl == 3) ? 1 : DIV_ROUND_UP(4, ndl)) : 0;
+
+		width_bytes = DIV_ROUND_UP(timings->x_res * bpp, 8);
+
+		/* TL = t_HS + HSA + t_HE + HFP + ceil((WC + 6) / NDL) + HBP */
+		tl = DIV_ROUND_UP(4, ndl) + (hsync_end ? hsa : 0) + t_he + hfp +
+			DIV_ROUND_UP(width_bytes + 6, ndl) + hbp;
+
+		DSSDBG("HBP: %d, HFP: %d, HSA: %d, TL: %d TXBYTECLKHS\n", hbp,
+			hfp, hsync_end ? hsa : 0, tl);
+		DSSDBG("VBP: %d, VFP: %d, VSA: %d, VACT: %d lines\n", vbp, vfp,
+			vsa, timings->y_res);
+
+		r = dsi_read_reg(dsidev, DSI_VM_TIMING1);
+		r = FLD_MOD(r, hbp, 11, 0);	/* HBP */
+		r = FLD_MOD(r, hfp, 23, 12);	/* HFP */
+		r = FLD_MOD(r, hsync_end ? hsa : 0, 31, 24);	/* HSA */
+		dsi_write_reg(dsidev, DSI_VM_TIMING1, r);
+
+		r = dsi_read_reg(dsidev, DSI_VM_TIMING2);
+		r = FLD_MOD(r, vbp, 7, 0);	/* VBP */
+		r = FLD_MOD(r, vfp, 15, 8);	/* VFP */
+		r = FLD_MOD(r, vsa, 23, 16);	/* VSA */
+		r = FLD_MOD(r, window_sync, 27, 24);	/* WINDOW_SYNC */
+		dsi_write_reg(dsidev, DSI_VM_TIMING2, r);
+
+		r = dsi_read_reg(dsidev, DSI_VM_TIMING3);
+		r = FLD_MOD(r, timings->y_res, 14, 0);	/* VACT */
+		r = FLD_MOD(r, tl, 31, 16);		/* TL */
+		dsi_write_reg(dsidev, DSI_VM_TIMING3, r);
+	}
+}
+
+int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+	u8 data_type;
+	u16 word_count;
+	int r;
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		switch (dssdev->panel.dsi_pix_fmt) {
+		case OMAP_DSS_DSI_FMT_RGB888:
+			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_24;
+			break;
+		case OMAP_DSS_DSI_FMT_RGB666:
+			data_type = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
+			break;
+		case OMAP_DSS_DSI_FMT_RGB666_PACKED:
+			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_18;
+			break;
+		case OMAP_DSS_DSI_FMT_RGB565:
+			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_16;
+			break;
+		default:
+			BUG();
+		};
+
+		dsi_if_enable(dsidev, false);
+		dsi_vc_enable(dsidev, channel, false);
+
+		/* MODE, 1 = video mode */
+		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 4, 4);
+
+		word_count = DIV_ROUND_UP(dssdev->panel.timings.x_res * bpp, 8);
+
+		dsi_vc_write_long_header(dsidev, channel, data_type,
+				word_count, 0);
+
+		dsi_vc_enable(dsidev, channel, true);
+		dsi_if_enable(dsidev, true);
+	}
+
+	r = dss_mgr_enable(dssdev->manager);
+	if (r) {
+		if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+			dsi_if_enable(dsidev, false);
+			dsi_vc_enable(dsidev, channel, false);
+		}
+
+		return r;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(dsi_enable_video_output);
+
+void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		dsi_if_enable(dsidev, false);
+		dsi_vc_enable(dsidev, channel, false);
+
+		/* MODE, 0 = command mode */
+		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 0, 4, 4);
+
+		dsi_vc_enable(dsidev, channel, true);
+		dsi_if_enable(dsidev, true);
+	}
+
+	dss_mgr_disable(dssdev->manager);
+}
+EXPORT_SYMBOL(dsi_disable_video_output);
+
+static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
+		u16 w, u16 h)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned bytespp;
+	unsigned bytespl;
+	unsigned bytespf;
+	unsigned total_len;
+	unsigned packet_payload;
+	unsigned packet_len;
+	u32 l;
+	int r;
+	const unsigned channel = dsi->update_channel;
+	const unsigned line_buf_size = dsi_get_line_buf_size(dsidev);
+
+	DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h);
+
+	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_VP);
+
+	bytespp	= dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8;
+	bytespl = w * bytespp;
+	bytespf = bytespl * h;
+
+	/* NOTE: packet_payload has to be equal to N * bytespl, where N is
+	 * number of lines in a packet.  See errata about VP_CLK_RATIO */
+
+	if (bytespf < line_buf_size)
+		packet_payload = bytespf;
+	else
+		packet_payload = (line_buf_size) / bytespl * bytespl;
+
+	packet_len = packet_payload + 1;	/* 1 byte for DCS cmd */
+	total_len = (bytespf / packet_payload) * packet_len;
+
+	if (bytespf % packet_payload)
+		total_len += (bytespf % packet_payload) + 1;
+
+	l = FLD_VAL(total_len, 23, 0); /* TE_SIZE */
+	dsi_write_reg(dsidev, DSI_VC_TE(channel), l);
+
+	dsi_vc_write_long_header(dsidev, channel, MIPI_DSI_DCS_LONG_WRITE,
+		packet_len, 0);
+
+	if (dsi->te_enabled)
+		l = FLD_MOD(l, 1, 30, 30); /* TE_EN */
+	else
+		l = FLD_MOD(l, 1, 31, 31); /* TE_START */
+	dsi_write_reg(dsidev, DSI_VC_TE(channel), l);
+
+	/* We put SIDLEMODE to no-idle for the duration of the transfer,
+	 * because DSS interrupts are not capable of waking up the CPU and the
+	 * framedone interrupt could be delayed for quite a long time. I think
+	 * the same goes for any DSS interrupts, but for some reason I have not
+	 * seen the problem anywhere else than here.
+	 */
+	dispc_disable_sidle();
+
+	dsi_perf_mark_start(dsidev);
+
+	r = schedule_delayed_work(&dsi->framedone_timeout_work,
+		msecs_to_jiffies(250));
+	BUG_ON(r == 0);
+
+	dss_mgr_start_update(dssdev->manager);
+
+	if (dsi->te_enabled) {
+		/* disable LP_RX_TO, so that we can receive TE.  Time to wait
+		 * for TE is longer than the timer allows */
+		REG_FLD_MOD(dsidev, DSI_TIMING2, 0, 15, 15); /* LP_RX_TO */
+
+		dsi_vc_send_bta(dsidev, channel);
+
+#ifdef DSI_CATCH_MISSING_TE
+		mod_timer(&dsi->te_timer, jiffies + msecs_to_jiffies(250));
+#endif
+	}
+}
+
+#ifdef DSI_CATCH_MISSING_TE
+static void dsi_te_timeout(unsigned long arg)
+{
+	DSSERR("TE not received for 250ms!\n");
+}
+#endif
+
+static void dsi_handle_framedone(struct platform_device *dsidev, int error)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* SIDLEMODE back to smart-idle */
+	dispc_enable_sidle();
+
+	if (dsi->te_enabled) {
+		/* enable LP_RX_TO again after the TE */
+		REG_FLD_MOD(dsidev, DSI_TIMING2, 1, 15, 15); /* LP_RX_TO */
+	}
+
+	dsi->framedone_callback(error, dsi->framedone_data);
+
+	if (!error)
+		dsi_perf_show(dsidev, "DISPC");
+}
+
+static void dsi_framedone_timeout_work_callback(struct work_struct *work)
+{
+	struct dsi_data *dsi = container_of(work, struct dsi_data,
+			framedone_timeout_work.work);
+	/* XXX While extremely unlikely, we could get FRAMEDONE interrupt after
+	 * 250ms which would conflict with this timeout work. What should be
+	 * done is first cancel the transfer on the HW, and then cancel the
+	 * possibly scheduled framedone work. However, cancelling the transfer
+	 * on the HW is buggy, and would probably require resetting the whole
+	 * DSI */
+
+	DSSERR("Framedone not received for 250ms!\n");
+
+	dsi_handle_framedone(dsi->pdev, -ETIMEDOUT);
+}
+
+static void dsi_framedone_irq_callback(void *data, u32 mask)
+{
+	struct omap_dss_device *dssdev = (struct omap_dss_device *) data;
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* Note: We get FRAMEDONE when DISPC has finished sending pixels and
+	 * turns itself off. However, DSI still has the pixels in its buffers,
+	 * and is sending the data.
+	 */
+
+	__cancel_delayed_work(&dsi->framedone_timeout_work);
+
+	dsi_handle_framedone(dsidev, 0);
+
+#ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC
+	dispc_fake_vsync_irq();
+#endif
+}
+
+int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
+		void (*callback)(int, void *), void *data)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u16 dw, dh;
+
+	dsi_perf_mark_setup(dsidev);
+
+	dsi->update_channel = channel;
+
+	dsi->framedone_callback = callback;
+	dsi->framedone_data = data;
+
+	dssdev->driver->get_resolution(dssdev, &dw, &dh);
+
+#ifdef DEBUG
+	dsi->update_bytes = dw * dh *
+		dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8;
+#endif
+	dsi_update_screen_dispc(dssdev, dw, dh);
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_dsi_update);
+
+/* Display funcs */
+
+static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) {
+		u16 dw, dh;
+		u32 irq;
+		struct omap_video_timings timings = {
+			.hsw		= 1,
+			.hfp		= 1,
+			.hbp		= 1,
+			.vsw		= 1,
+			.vfp		= 0,
+			.vbp		= 0,
+		};
+
+		dssdev->driver->get_resolution(dssdev, &dw, &dh);
+		timings.x_res = dw;
+		timings.y_res = dh;
+
+		irq = dssdev->manager->id == OMAP_DSS_CHANNEL_LCD ?
+			DISPC_IRQ_FRAMEDONE : DISPC_IRQ_FRAMEDONE2;
+
+		r = omap_dispc_register_isr(dsi_framedone_irq_callback,
+			(void *) dssdev, irq);
+		if (r) {
+			DSSERR("can't get FRAMEDONE irq\n");
+			return r;
+		}
+
+		dispc_mgr_enable_stallmode(dssdev->manager->id, true);
+		dispc_mgr_enable_fifohandcheck(dssdev->manager->id, 1);
+
+		dispc_mgr_set_lcd_timings(dssdev->manager->id, &timings);
+	} else {
+		dispc_mgr_enable_stallmode(dssdev->manager->id, false);
+		dispc_mgr_enable_fifohandcheck(dssdev->manager->id, 0);
+
+		dispc_mgr_set_lcd_timings(dssdev->manager->id,
+			&dssdev->panel.timings);
+	}
+
+		dispc_mgr_set_lcd_display_type(dssdev->manager->id,
+			OMAP_DSS_LCD_DISPLAY_TFT);
+		dispc_mgr_set_tft_data_lines(dssdev->manager->id,
+			dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt));
+	return 0;
+}
+
+static void dsi_display_uninit_dispc(struct omap_dss_device *dssdev)
+{
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) {
+		u32 irq;
+
+		irq = dssdev->manager->id == OMAP_DSS_CHANNEL_LCD ?
+			DISPC_IRQ_FRAMEDONE : DISPC_IRQ_FRAMEDONE2;
+
+		omap_dispc_unregister_isr(dsi_framedone_irq_callback,
+			(void *) dssdev, irq);
+	}
+}
+
+static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_clock_info cinfo;
+	int r;
+
+	/* we always use DSS_CLK_SYSCK as input clock */
+	cinfo.use_sys_clk = true;
+	cinfo.regn  = dssdev->clocks.dsi.regn;
+	cinfo.regm  = dssdev->clocks.dsi.regm;
+	cinfo.regm_dispc = dssdev->clocks.dsi.regm_dispc;
+	cinfo.regm_dsi = dssdev->clocks.dsi.regm_dsi;
+	r = dsi_calc_clock_rates(dssdev, &cinfo);
+	if (r) {
+		DSSERR("Failed to calc dsi clocks\n");
+		return r;
+	}
+
+	r = dsi_pll_set_clock_div(dsidev, &cinfo);
+	if (r) {
+		DSSERR("Failed to set dsi clocks\n");
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_configure_dispc_clocks(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dispc_clock_info dispc_cinfo;
+	int r;
+	unsigned long long fck;
+
+	fck = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+
+	dispc_cinfo.lck_div = dssdev->clocks.dispc.channel.lck_div;
+	dispc_cinfo.pck_div = dssdev->clocks.dispc.channel.pck_div;
+
+	r = dispc_calc_clock_rates(fck, &dispc_cinfo);
+	if (r) {
+		DSSERR("Failed to calc dispc clocks\n");
+		return r;
+	}
+
+	r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
+	if (r) {
+		DSSERR("Failed to set dispc clocks\n");
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_display_init_dsi(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int dsi_module = dsi_get_dsidev_id(dsidev);
+	int r;
+
+	r = dsi_parse_lane_config(dssdev);
+	if (r) {
+		DSSERR("illegal lane config");
+		goto err0;
+	}
+
+	r = dsi_pll_init(dsidev, true, true);
+	if (r)
+		goto err0;
+
+	r = dsi_configure_dsi_clocks(dssdev);
+	if (r)
+		goto err1;
+
+	dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
+	dss_select_dsi_clk_source(dsi_module, dssdev->clocks.dsi.dsi_fclk_src);
+	dss_select_lcd_clk_source(dssdev->manager->id,
+			dssdev->clocks.dispc.channel.lcd_clk_src);
+
+	DSSDBG("PLL OK\n");
+
+	r = dsi_configure_dispc_clocks(dssdev);
+	if (r)
+		goto err2;
+
+	r = dsi_cio_init(dssdev);
+	if (r)
+		goto err2;
+
+	_dsi_print_reset_status(dsidev);
+
+	dsi_proto_timings(dssdev);
+	dsi_set_lp_clk_divisor(dssdev);
+
+	if (1)
+		_dsi_print_reset_status(dsidev);
+
+	r = dsi_proto_config(dssdev);
+	if (r)
+		goto err3;
+
+	/* enable interface */
+	dsi_vc_enable(dsidev, 0, 1);
+	dsi_vc_enable(dsidev, 1, 1);
+	dsi_vc_enable(dsidev, 2, 1);
+	dsi_vc_enable(dsidev, 3, 1);
+	dsi_if_enable(dsidev, 1);
+	dsi_force_tx_stop_mode_io(dsidev);
+
+	return 0;
+err3:
+	dsi_cio_uninit(dssdev);
+err2:
+	dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
+	dss_select_dsi_clk_source(dsi_module, OMAP_DSS_CLK_SRC_FCK);
+	dss_select_lcd_clk_source(dssdev->manager->id, OMAP_DSS_CLK_SRC_FCK);
+
+err1:
+	dsi_pll_uninit(dsidev, true);
+err0:
+	return r;
+}
+
+static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev,
+		bool disconnect_lanes, bool enter_ulps)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int dsi_module = dsi_get_dsidev_id(dsidev);
+
+	if (enter_ulps && !dsi->ulps_enabled)
+		dsi_enter_ulps(dsidev);
+
+	/* disable interface */
+	dsi_if_enable(dsidev, 0);
+	dsi_vc_enable(dsidev, 0, 0);
+	dsi_vc_enable(dsidev, 1, 0);
+	dsi_vc_enable(dsidev, 2, 0);
+	dsi_vc_enable(dsidev, 3, 0);
+
+	dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
+	dss_select_dsi_clk_source(dsi_module, OMAP_DSS_CLK_SRC_FCK);
+	dss_select_lcd_clk_source(dssdev->manager->id, OMAP_DSS_CLK_SRC_FCK);
+	dsi_cio_uninit(dssdev);
+	dsi_pll_uninit(dsidev, disconnect_lanes);
+}
+
+int omapdss_dsi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r = 0;
+
+	DSSDBG("dsi_display_enable\n");
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	mutex_lock(&dsi->lock);
+
+	if (dssdev->manager == NULL) {
+		DSSERR("failed to enable display: no manager\n");
+		r = -ENODEV;
+		goto err_start_dev;
+	}
+
+	r = omap_dss_start_device(dssdev);
+	if (r) {
+		DSSERR("failed to start device\n");
+		goto err_start_dev;
+	}
+
+	r = dsi_runtime_get(dsidev);
+	if (r)
+		goto err_get_dsi;
+
+	dsi_enable_pll_clock(dsidev, 1);
+
+	_dsi_initialize_irq(dsidev);
+
+	r = dsi_display_init_dispc(dssdev);
+	if (r)
+		goto err_init_dispc;
+
+	r = dsi_display_init_dsi(dssdev);
+	if (r)
+		goto err_init_dsi;
+
+	mutex_unlock(&dsi->lock);
+
+	return 0;
+
+err_init_dsi:
+	dsi_display_uninit_dispc(dssdev);
+err_init_dispc:
+	dsi_enable_pll_clock(dsidev, 0);
+	dsi_runtime_put(dsidev);
+err_get_dsi:
+	omap_dss_stop_device(dssdev);
+err_start_dev:
+	mutex_unlock(&dsi->lock);
+	DSSDBG("dsi_display_enable FAILED\n");
+	return r;
+}
+EXPORT_SYMBOL(omapdss_dsi_display_enable);
+
+void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
+		bool disconnect_lanes, bool enter_ulps)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("dsi_display_disable\n");
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	mutex_lock(&dsi->lock);
+
+	dsi_sync_vc(dsidev, 0);
+	dsi_sync_vc(dsidev, 1);
+	dsi_sync_vc(dsidev, 2);
+	dsi_sync_vc(dsidev, 3);
+
+	dsi_display_uninit_dispc(dssdev);
+
+	dsi_display_uninit_dsi(dssdev, disconnect_lanes, enter_ulps);
+
+	dsi_runtime_put(dsidev);
+	dsi_enable_pll_clock(dsidev, 0);
+
+	omap_dss_stop_device(dssdev);
+
+	mutex_unlock(&dsi->lock);
+}
+EXPORT_SYMBOL(omapdss_dsi_display_disable);
+
+int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	dsi->te_enabled = enable;
+	return 0;
+}
+EXPORT_SYMBOL(omapdss_dsi_enable_te);
+
+int dsi_init_display(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("DSI init\n");
+
+	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) {
+		dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
+			OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
+	}
+
+	if (dsi->vdds_dsi_reg == NULL) {
+		struct regulator *vdds_dsi;
+
+		vdds_dsi = regulator_get(&dsi->pdev->dev, "vdds_dsi");
+
+		if (IS_ERR(vdds_dsi)) {
+			DSSERR("can't get VDDS_DSI regulator\n");
+			return PTR_ERR(vdds_dsi);
+		}
+
+		dsi->vdds_dsi_reg = vdds_dsi;
+	}
+
+	return 0;
+}
+
+int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) {
+		if (!dsi->vc[i].dssdev) {
+			dsi->vc[i].dssdev = dssdev;
+			*channel = i;
+			return 0;
+		}
+	}
+
+	DSSERR("cannot get VC for display %s", dssdev->name);
+	return -ENOSPC;
+}
+EXPORT_SYMBOL(omap_dsi_request_vc);
+
+int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (vc_id < 0 || vc_id > 3) {
+		DSSERR("VC ID out of range\n");
+		return -EINVAL;
+	}
+
+	if (channel < 0 || channel > 3) {
+		DSSERR("Virtual Channel out of range\n");
+		return -EINVAL;
+	}
+
+	if (dsi->vc[channel].dssdev != dssdev) {
+		DSSERR("Virtual Channel not allocated to display %s\n",
+			dssdev->name);
+		return -EINVAL;
+	}
+
+	dsi->vc[channel].vc_id = vc_id;
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_dsi_set_vc_id);
+
+void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if ((channel >= 0 && channel <= 3) &&
+		dsi->vc[channel].dssdev == dssdev) {
+		dsi->vc[channel].dssdev = NULL;
+		dsi->vc[channel].vc_id = 0;
+	}
+}
+EXPORT_SYMBOL(omap_dsi_release_vc);
+
+void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev)
+{
+	if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 7, 1) != 1)
+		DSSERR("%s (%s) not active\n",
+			dss_get_generic_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC),
+			dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC));
+}
+
+void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev)
+{
+	if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 8, 1) != 1)
+		DSSERR("%s (%s) not active\n",
+			dss_get_generic_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI),
+			dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI));
+}
+
+static void dsi_calc_clock_param_ranges(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	dsi->regn_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGN);
+	dsi->regm_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGM);
+	dsi->regm_dispc_max =
+		dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGM_DISPC);
+	dsi->regm_dsi_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_REGM_DSI);
+	dsi->fint_min = dss_feat_get_param_min(FEAT_PARAM_DSIPLL_FINT);
+	dsi->fint_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_FINT);
+	dsi->lpdiv_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_LPDIV);
+}
+
+static int dsi_get_clocks(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct clk *clk;
+
+	clk = clk_get(&dsidev->dev, "fck");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get fck\n");
+		return PTR_ERR(clk);
+	}
+
+	dsi->dss_clk = clk;
+
+	clk = clk_get(&dsidev->dev, "sys_clk");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get sys_clk\n");
+		clk_put(dsi->dss_clk);
+		dsi->dss_clk = NULL;
+		return PTR_ERR(clk);
+	}
+
+	dsi->sys_clk = clk;
+
+	return 0;
+}
+
+static void dsi_put_clocks(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->dss_clk)
+		clk_put(dsi->dss_clk);
+	if (dsi->sys_clk)
+		clk_put(dsi->sys_clk);
+}
+
+/* DSI1 HW IP initialisation */
+static int omap_dsihw_probe(struct platform_device *dsidev)
+{
+	struct omap_display_platform_data *dss_plat_data;
+	struct omap_dss_board_info *board_info;
+	u32 rev;
+	int r, i, dsi_module = dsi_get_dsidev_id(dsidev);
+	struct resource *dsi_mem;
+	struct dsi_data *dsi;
+
+	dsi = devm_kzalloc(&dsidev->dev, sizeof(*dsi), GFP_KERNEL);
+	if (!dsi)
+		return -ENOMEM;
+
+	dsi->pdev = dsidev;
+	dsi_pdev_map[dsi_module] = dsidev;
+	dev_set_drvdata(&dsidev->dev, dsi);
+
+	dss_plat_data = dsidev->dev.platform_data;
+	board_info = dss_plat_data->board_data;
+	dsi->enable_pads = board_info->dsi_enable_pads;
+	dsi->disable_pads = board_info->dsi_disable_pads;
+
+	spin_lock_init(&dsi->irq_lock);
+	spin_lock_init(&dsi->errors_lock);
+	dsi->errors = 0;
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	spin_lock_init(&dsi->irq_stats_lock);
+	dsi->irq_stats.last_reset = jiffies;
+#endif
+
+	mutex_init(&dsi->lock);
+	sema_init(&dsi->bus_lock, 1);
+
+	INIT_DELAYED_WORK_DEFERRABLE(&dsi->framedone_timeout_work,
+			dsi_framedone_timeout_work_callback);
+
+#ifdef DSI_CATCH_MISSING_TE
+	init_timer(&dsi->te_timer);
+	dsi->te_timer.function = dsi_te_timeout;
+	dsi->te_timer.data = 0;
+#endif
+	dsi_mem = platform_get_resource(dsi->pdev, IORESOURCE_MEM, 0);
+	if (!dsi_mem) {
+		DSSERR("can't get IORESOURCE_MEM DSI\n");
+		return -EINVAL;
+	}
+
+	dsi->base = devm_ioremap(&dsidev->dev, dsi_mem->start,
+				 resource_size(dsi_mem));
+	if (!dsi->base) {
+		DSSERR("can't ioremap DSI\n");
+		return -ENOMEM;
+	}
+
+	dsi->irq = platform_get_irq(dsi->pdev, 0);
+	if (dsi->irq < 0) {
+		DSSERR("platform_get_irq failed\n");
+		return -ENODEV;
+	}
+
+	r = devm_request_irq(&dsidev->dev, dsi->irq, omap_dsi_irq_handler,
+			     IRQF_SHARED, dev_name(&dsidev->dev), dsi->pdev);
+	if (r < 0) {
+		DSSERR("request_irq failed\n");
+		return r;
+	}
+
+	/* DSI VCs initialization */
+	for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) {
+		dsi->vc[i].source = DSI_VC_SOURCE_L4;
+		dsi->vc[i].dssdev = NULL;
+		dsi->vc[i].vc_id = 0;
+	}
+
+	dsi_calc_clock_param_ranges(dsidev);
+
+	r = dsi_get_clocks(dsidev);
+	if (r)
+		return r;
+
+	pm_runtime_enable(&dsidev->dev);
+
+	r = dsi_runtime_get(dsidev);
+	if (r)
+		goto err_runtime_get;
+
+	rev = dsi_read_reg(dsidev, DSI_REVISION);
+	dev_dbg(&dsidev->dev, "OMAP DSI rev %d.%d\n",
+	       FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	/* DSI on OMAP3 doesn't have register DSI_GNQ, set number
+	 * of data to 3 by default */
+	if (dss_has_feature(FEAT_DSI_GNQ))
+		/* NB_DATA_LANES */
+		dsi->num_lanes_supported = 1 + REG_GET(dsidev, DSI_GNQ, 11, 9);
+	else
+		dsi->num_lanes_supported = 3;
+
+	dsi_runtime_put(dsidev);
+
+	return 0;
+
+err_runtime_get:
+	pm_runtime_disable(&dsidev->dev);
+	dsi_put_clocks(dsidev);
+	return r;
+}
+
+static int omap_dsihw_remove(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	WARN_ON(dsi->scp_clk_refcount > 0);
+
+	pm_runtime_disable(&dsidev->dev);
+
+	dsi_put_clocks(dsidev);
+
+	if (dsi->vdds_dsi_reg != NULL) {
+		if (dsi->vdds_dsi_enabled) {
+			regulator_disable(dsi->vdds_dsi_reg);
+			dsi->vdds_dsi_enabled = false;
+		}
+
+		regulator_put(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_reg = NULL;
+	}
+
+	return 0;
+}
+
+static int dsi_runtime_suspend(struct device *dev)
+{
+	dispc_runtime_put();
+	dss_runtime_put();
+
+	return 0;
+}
+
+static int dsi_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dss_runtime_get();
+	if (r)
+		goto err_get_dss;
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_get_dispc;
+
+	return 0;
+
+err_get_dispc:
+	dss_runtime_put();
+err_get_dss:
+	return r;
+}
+
+static const struct dev_pm_ops dsi_pm_ops = {
+	.runtime_suspend = dsi_runtime_suspend,
+	.runtime_resume = dsi_runtime_resume,
+};
+
+static struct platform_driver omap_dsihw_driver = {
+	.probe          = omap_dsihw_probe,
+	.remove         = omap_dsihw_remove,
+	.driver         = {
+		.name   = "omapdss_dsi",
+		.owner  = THIS_MODULE,
+		.pm	= &dsi_pm_ops,
+	},
+};
+
+int dsi_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dsihw_driver);
+}
+
+void dsi_uninit_platform_driver(void)
+{
+	return platform_driver_unregister(&omap_dsihw_driver);
+}
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
new file mode 100644
index 00000000..bd2d5e15
--- /dev/null
+++ b/drivers/video/omap2/dss/dss.c
@@ -0,0 +1,864 @@
+/*
+ * linux/drivers/video/omap2/dss/dss.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "DSS"
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/export.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+
+#include <video/omapdss.h>
+
+#include <plat/cpu.h>
+#include <plat/clock.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+#define DSS_SZ_REGS			SZ_512
+
+struct dss_reg {
+	u16 idx;
+};
+
+#define DSS_REG(idx)			((const struct dss_reg) { idx })
+
+#define DSS_REVISION			DSS_REG(0x0000)
+#define DSS_SYSCONFIG			DSS_REG(0x0010)
+#define DSS_SYSSTATUS			DSS_REG(0x0014)
+#define DSS_CONTROL			DSS_REG(0x0040)
+#define DSS_SDI_CONTROL			DSS_REG(0x0044)
+#define DSS_PLL_CONTROL			DSS_REG(0x0048)
+#define DSS_SDI_STATUS			DSS_REG(0x005C)
+
+#define REG_GET(idx, start, end) \
+	FLD_GET(dss_read_reg(idx), start, end)
+
+#define REG_FLD_MOD(idx, val, start, end) \
+	dss_write_reg(idx, FLD_MOD(dss_read_reg(idx), val, start, end))
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem    *base;
+
+	struct clk	*dpll4_m4_ck;
+	struct clk	*dss_clk;
+
+	unsigned long	cache_req_pck;
+	unsigned long	cache_prate;
+	struct dss_clock_info cache_dss_cinfo;
+	struct dispc_clock_info cache_dispc_cinfo;
+
+	enum omap_dss_clk_source dsi_clk_source[MAX_NUM_DSI];
+	enum omap_dss_clk_source dispc_clk_source;
+	enum omap_dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS];
+
+	bool		ctx_valid;
+	u32		ctx[DSS_SZ_REGS / sizeof(u32)];
+} dss;
+
+static const char * const dss_generic_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DSI_PLL_HSDIV_DISPC",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DSI_PLL_HSDIV_DSI",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCK",
+};
+
+static inline void dss_write_reg(const struct dss_reg idx, u32 val)
+{
+	__raw_writel(val, dss.base + idx.idx);
+}
+
+static inline u32 dss_read_reg(const struct dss_reg idx)
+{
+	return __raw_readl(dss.base + idx.idx);
+}
+
+#define SR(reg) \
+	dss.ctx[(DSS_##reg).idx / sizeof(u32)] = dss_read_reg(DSS_##reg)
+#define RR(reg) \
+	dss_write_reg(DSS_##reg, dss.ctx[(DSS_##reg).idx / sizeof(u32)])
+
+static void dss_save_context(void)
+{
+	DSSDBG("dss_save_context\n");
+
+	SR(CONTROL);
+
+	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
+			OMAP_DISPLAY_TYPE_SDI) {
+		SR(SDI_CONTROL);
+		SR(PLL_CONTROL);
+	}
+
+	dss.ctx_valid = true;
+
+	DSSDBG("context saved\n");
+}
+
+static void dss_restore_context(void)
+{
+	DSSDBG("dss_restore_context\n");
+
+	if (!dss.ctx_valid)
+		return;
+
+	RR(CONTROL);
+
+	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
+			OMAP_DISPLAY_TYPE_SDI) {
+		RR(SDI_CONTROL);
+		RR(PLL_CONTROL);
+	}
+
+	DSSDBG("context restored\n");
+}
+
+#undef SR
+#undef RR
+
+void dss_sdi_init(u8 datapairs)
+{
+	u32 l;
+
+	BUG_ON(datapairs > 3 || datapairs < 1);
+
+	l = dss_read_reg(DSS_SDI_CONTROL);
+	l = FLD_MOD(l, 0xf, 19, 15);		/* SDI_PDIV */
+	l = FLD_MOD(l, datapairs-1, 3, 2);	/* SDI_PRSEL */
+	l = FLD_MOD(l, 2, 1, 0);		/* SDI_BWSEL */
+	dss_write_reg(DSS_SDI_CONTROL, l);
+
+	l = dss_read_reg(DSS_PLL_CONTROL);
+	l = FLD_MOD(l, 0x7, 25, 22);	/* SDI_PLL_FREQSEL */
+	l = FLD_MOD(l, 0xb, 16, 11);	/* SDI_PLL_REGN */
+	l = FLD_MOD(l, 0xb4, 10, 1);	/* SDI_PLL_REGM */
+	dss_write_reg(DSS_PLL_CONTROL, l);
+}
+
+int dss_sdi_enable(void)
+{
+	unsigned long timeout;
+
+	dispc_pck_free_enable(1);
+
+	/* Reset SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 18, 18); /* SDI_PLL_SYSRESET */
+	udelay(1);	/* wait 2x PCLK */
+
+	/* Lock SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 28, 28); /* SDI_PLL_GOBIT */
+
+	/* Waiting for PLL lock request to complete */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (dss_read_reg(DSS_SDI_STATUS) & (1 << 6)) {
+		if (time_after_eq(jiffies, timeout)) {
+			DSSERR("PLL lock request timed out\n");
+			goto err1;
+		}
+	}
+
+	/* Clearing PLL_GO bit */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 28, 28);
+
+	/* Waiting for PLL to lock */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 5))) {
+		if (time_after_eq(jiffies, timeout)) {
+			DSSERR("PLL lock timed out\n");
+			goto err1;
+		}
+	}
+
+	dispc_lcd_enable_signal(1);
+
+	/* Waiting for SDI reset to complete */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 2))) {
+		if (time_after_eq(jiffies, timeout)) {
+			DSSERR("SDI reset timed out\n");
+			goto err2;
+		}
+	}
+
+	return 0;
+
+ err2:
+	dispc_lcd_enable_signal(0);
+ err1:
+	/* Reset SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */
+
+	dispc_pck_free_enable(0);
+
+	return -ETIMEDOUT;
+}
+
+void dss_sdi_disable(void)
+{
+	dispc_lcd_enable_signal(0);
+
+	dispc_pck_free_enable(0);
+
+	/* Reset SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */
+}
+
+const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src)
+{
+	return dss_generic_clk_source_names[clk_src];
+}
+
+
+void dss_dump_clocks(struct seq_file *s)
+{
+	unsigned long dpll4_ck_rate;
+	unsigned long dpll4_m4_ck_rate;
+	const char *fclk_name, *fclk_real_name;
+	unsigned long fclk_rate;
+
+	if (dss_runtime_get())
+		return;
+
+	seq_printf(s, "- DSS -\n");
+
+	fclk_name = dss_get_generic_clk_source_name(OMAP_DSS_CLK_SRC_FCK);
+	fclk_real_name = dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_FCK);
+	fclk_rate = clk_get_rate(dss.dss_clk);
+
+	if (dss.dpll4_m4_ck) {
+		dpll4_ck_rate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
+		dpll4_m4_ck_rate = clk_get_rate(dss.dpll4_m4_ck);
+
+		seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
+
+		if (cpu_is_omap3630() || cpu_is_omap44xx())
+			seq_printf(s, "%s (%s) = %lu / %lu  = %lu\n",
+					fclk_name, fclk_real_name,
+					dpll4_ck_rate,
+					dpll4_ck_rate / dpll4_m4_ck_rate,
+					fclk_rate);
+		else
+			seq_printf(s, "%s (%s) = %lu / %lu * 2 = %lu\n",
+					fclk_name, fclk_real_name,
+					dpll4_ck_rate,
+					dpll4_ck_rate / dpll4_m4_ck_rate,
+					fclk_rate);
+	} else {
+		seq_printf(s, "%s (%s) = %lu\n",
+				fclk_name, fclk_real_name,
+				fclk_rate);
+	}
+
+	dss_runtime_put();
+}
+
+void dss_dump_regs(struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dss_read_reg(r))
+
+	if (dss_runtime_get())
+		return;
+
+	DUMPREG(DSS_REVISION);
+	DUMPREG(DSS_SYSCONFIG);
+	DUMPREG(DSS_SYSSTATUS);
+	DUMPREG(DSS_CONTROL);
+
+	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
+			OMAP_DISPLAY_TYPE_SDI) {
+		DUMPREG(DSS_SDI_CONTROL);
+		DUMPREG(DSS_PLL_CONTROL);
+		DUMPREG(DSS_SDI_STATUS);
+	}
+
+	dss_runtime_put();
+#undef DUMPREG
+}
+
+void dss_select_dispc_clk_source(enum omap_dss_clk_source clk_src)
+{
+	struct platform_device *dsidev;
+	int b;
+	u8 start, end;
+
+	switch (clk_src) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		b = 0;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		b = 1;
+		dsidev = dsi_get_dsidev_from_id(0);
+		dsi_wait_pll_hsdiv_dispc_active(dsidev);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		b = 2;
+		dsidev = dsi_get_dsidev_from_id(1);
+		dsi_wait_pll_hsdiv_dispc_active(dsidev);
+		break;
+	default:
+		BUG();
+	}
+
+	dss_feat_get_reg_field(FEAT_REG_DISPC_CLK_SWITCH, &start, &end);
+
+	REG_FLD_MOD(DSS_CONTROL, b, start, end);	/* DISPC_CLK_SWITCH */
+
+	dss.dispc_clk_source = clk_src;
+}
+
+void dss_select_dsi_clk_source(int dsi_module,
+		enum omap_dss_clk_source clk_src)
+{
+	struct platform_device *dsidev;
+	int b;
+
+	switch (clk_src) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		b = 0;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI:
+		BUG_ON(dsi_module != 0);
+		b = 1;
+		dsidev = dsi_get_dsidev_from_id(0);
+		dsi_wait_pll_hsdiv_dsi_active(dsidev);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI:
+		BUG_ON(dsi_module != 1);
+		b = 1;
+		dsidev = dsi_get_dsidev_from_id(1);
+		dsi_wait_pll_hsdiv_dsi_active(dsidev);
+		break;
+	default:
+		BUG();
+	}
+
+	REG_FLD_MOD(DSS_CONTROL, b, 1, 1);	/* DSI_CLK_SWITCH */
+
+	dss.dsi_clk_source[dsi_module] = clk_src;
+}
+
+void dss_select_lcd_clk_source(enum omap_channel channel,
+		enum omap_dss_clk_source clk_src)
+{
+	struct platform_device *dsidev;
+	int b, ix, pos;
+
+	if (!dss_has_feature(FEAT_LCD_CLK_SRC))
+		return;
+
+	switch (clk_src) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		b = 0;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		BUG_ON(channel != OMAP_DSS_CHANNEL_LCD);
+		b = 1;
+		dsidev = dsi_get_dsidev_from_id(0);
+		dsi_wait_pll_hsdiv_dispc_active(dsidev);
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		BUG_ON(channel != OMAP_DSS_CHANNEL_LCD2);
+		b = 1;
+		dsidev = dsi_get_dsidev_from_id(1);
+		dsi_wait_pll_hsdiv_dispc_active(dsidev);
+		break;
+	default:
+		BUG();
+	}
+
+	pos = channel == OMAP_DSS_CHANNEL_LCD ? 0 : 12;
+	REG_FLD_MOD(DSS_CONTROL, b, pos, pos);	/* LCDx_CLK_SWITCH */
+
+	ix = channel == OMAP_DSS_CHANNEL_LCD ? 0 : 1;
+	dss.lcd_clk_source[ix] = clk_src;
+}
+
+enum omap_dss_clk_source dss_get_dispc_clk_source(void)
+{
+	return dss.dispc_clk_source;
+}
+
+enum omap_dss_clk_source dss_get_dsi_clk_source(int dsi_module)
+{
+	return dss.dsi_clk_source[dsi_module];
+}
+
+enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
+{
+	if (dss_has_feature(FEAT_LCD_CLK_SRC)) {
+		int ix = channel == OMAP_DSS_CHANNEL_LCD ? 0 : 1;
+		return dss.lcd_clk_source[ix];
+	} else {
+		/* LCD_CLK source is the same as DISPC_FCLK source for
+		 * OMAP2 and OMAP3 */
+		return dss.dispc_clk_source;
+	}
+}
+
+/* calculate clock rates using dividers in cinfo */
+int dss_calc_clock_rates(struct dss_clock_info *cinfo)
+{
+	if (dss.dpll4_m4_ck) {
+		unsigned long prate;
+		u16 fck_div_max = 16;
+
+		if (cpu_is_omap3630() || cpu_is_omap44xx())
+			fck_div_max = 32;
+
+		if (cinfo->fck_div > fck_div_max || cinfo->fck_div == 0)
+			return -EINVAL;
+
+		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
+
+		cinfo->fck = prate / cinfo->fck_div;
+	} else {
+		if (cinfo->fck_div != 0)
+			return -EINVAL;
+		cinfo->fck = clk_get_rate(dss.dss_clk);
+	}
+
+	return 0;
+}
+
+int dss_set_clock_div(struct dss_clock_info *cinfo)
+{
+	if (dss.dpll4_m4_ck) {
+		unsigned long prate;
+		int r;
+
+		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
+		DSSDBG("dpll4_m4 = %ld\n", prate);
+
+		r = clk_set_rate(dss.dpll4_m4_ck, prate / cinfo->fck_div);
+		if (r)
+			return r;
+	} else {
+		if (cinfo->fck_div != 0)
+			return -EINVAL;
+	}
+
+	DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div);
+
+	return 0;
+}
+
+int dss_get_clock_div(struct dss_clock_info *cinfo)
+{
+	cinfo->fck = clk_get_rate(dss.dss_clk);
+
+	if (dss.dpll4_m4_ck) {
+		unsigned long prate;
+
+		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
+
+		if (cpu_is_omap3630() || cpu_is_omap44xx())
+			cinfo->fck_div = prate / (cinfo->fck);
+		else
+			cinfo->fck_div = prate / (cinfo->fck / 2);
+	} else {
+		cinfo->fck_div = 0;
+	}
+
+	return 0;
+}
+
+unsigned long dss_get_dpll4_rate(void)
+{
+	if (dss.dpll4_m4_ck)
+		return clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
+	else
+		return 0;
+}
+
+int dss_calc_clock_div(bool is_tft, unsigned long req_pck,
+		struct dss_clock_info *dss_cinfo,
+		struct dispc_clock_info *dispc_cinfo)
+{
+	unsigned long prate;
+	struct dss_clock_info best_dss;
+	struct dispc_clock_info best_dispc;
+
+	unsigned long fck, max_dss_fck;
+
+	u16 fck_div, fck_div_max = 16;
+
+	int match = 0;
+	int min_fck_per_pck;
+
+	prate = dss_get_dpll4_rate();
+
+	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	fck = clk_get_rate(dss.dss_clk);
+	if (req_pck == dss.cache_req_pck &&
+			((cpu_is_omap34xx() && prate == dss.cache_prate) ||
+			 dss.cache_dss_cinfo.fck == fck)) {
+		DSSDBG("dispc clock info found from cache.\n");
+		*dss_cinfo = dss.cache_dss_cinfo;
+		*dispc_cinfo = dss.cache_dispc_cinfo;
+		return 0;
+	}
+
+	min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK;
+
+	if (min_fck_per_pck &&
+		req_pck * min_fck_per_pck > max_dss_fck) {
+		DSSERR("Requested pixel clock not possible with the current "
+				"OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning "
+				"the constraint off.\n");
+		min_fck_per_pck = 0;
+	}
+
+retry:
+	memset(&best_dss, 0, sizeof(best_dss));
+	memset(&best_dispc, 0, sizeof(best_dispc));
+
+	if (dss.dpll4_m4_ck == NULL) {
+		struct dispc_clock_info cur_dispc;
+		/* XXX can we change the clock on omap2? */
+		fck = clk_get_rate(dss.dss_clk);
+		fck_div = 1;
+
+		dispc_find_clk_divs(is_tft, req_pck, fck, &cur_dispc);
+		match = 1;
+
+		best_dss.fck = fck;
+		best_dss.fck_div = fck_div;
+
+		best_dispc = cur_dispc;
+
+		goto found;
+	} else {
+		if (cpu_is_omap3630() || cpu_is_omap44xx())
+			fck_div_max = 32;
+
+		for (fck_div = fck_div_max; fck_div > 0; --fck_div) {
+			struct dispc_clock_info cur_dispc;
+
+			if (fck_div_max == 32)
+				fck = prate / fck_div;
+			else
+				fck = prate / fck_div * 2;
+
+			if (fck > max_dss_fck)
+				continue;
+
+			if (min_fck_per_pck &&
+					fck < req_pck * min_fck_per_pck)
+				continue;
+
+			match = 1;
+
+			dispc_find_clk_divs(is_tft, req_pck, fck, &cur_dispc);
+
+			if (abs(cur_dispc.pck - req_pck) <
+					abs(best_dispc.pck - req_pck)) {
+
+				best_dss.fck = fck;
+				best_dss.fck_div = fck_div;
+
+				best_dispc = cur_dispc;
+
+				if (cur_dispc.pck == req_pck)
+					goto found;
+			}
+		}
+	}
+
+found:
+	if (!match) {
+		if (min_fck_per_pck) {
+			DSSERR("Could not find suitable clock settings.\n"
+					"Turning FCK/PCK constraint off and"
+					"trying again.\n");
+			min_fck_per_pck = 0;
+			goto retry;
+		}
+
+		DSSERR("Could not find suitable clock settings.\n");
+
+		return -EINVAL;
+	}
+
+	if (dss_cinfo)
+		*dss_cinfo = best_dss;
+	if (dispc_cinfo)
+		*dispc_cinfo = best_dispc;
+
+	dss.cache_req_pck = req_pck;
+	dss.cache_prate = prate;
+	dss.cache_dss_cinfo = best_dss;
+	dss.cache_dispc_cinfo = best_dispc;
+
+	return 0;
+}
+
+void dss_set_venc_output(enum omap_dss_venc_type type)
+{
+	int l = 0;
+
+	if (type == OMAP_DSS_VENC_TYPE_COMPOSITE)
+		l = 0;
+	else if (type == OMAP_DSS_VENC_TYPE_SVIDEO)
+		l = 1;
+	else
+		BUG();
+
+	/* venc out selection. 0 = comp, 1 = svideo */
+	REG_FLD_MOD(DSS_CONTROL, l, 6, 6);
+}
+
+void dss_set_dac_pwrdn_bgz(bool enable)
+{
+	REG_FLD_MOD(DSS_CONTROL, enable, 5, 5);	/* DAC Power-Down Control */
+}
+
+void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select hdmi)
+{
+	REG_FLD_MOD(DSS_CONTROL, hdmi, 15, 15);	/* VENC_HDMI_SWITCH */
+}
+
+enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
+{
+	enum omap_display_type displays;
+
+	displays = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
+	if ((displays & OMAP_DISPLAY_TYPE_HDMI) == 0)
+		return DSS_VENC_TV_CLK;
+
+	return REG_GET(DSS_CONTROL, 15, 15);
+}
+
+static int dss_get_clocks(void)
+{
+	struct clk *clk;
+	int r;
+
+	clk = clk_get(&dss.pdev->dev, "fck");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get clock fck\n");
+		r = PTR_ERR(clk);
+		goto err;
+	}
+
+	dss.dss_clk = clk;
+
+	if (cpu_is_omap34xx()) {
+		clk = clk_get(NULL, "dpll4_m4_ck");
+		if (IS_ERR(clk)) {
+			DSSERR("Failed to get dpll4_m4_ck\n");
+			r = PTR_ERR(clk);
+			goto err;
+		}
+	} else if (cpu_is_omap44xx()) {
+		clk = clk_get(NULL, "dpll_per_m5x2_ck");
+		if (IS_ERR(clk)) {
+			DSSERR("Failed to get dpll_per_m5x2_ck\n");
+			r = PTR_ERR(clk);
+			goto err;
+		}
+	} else { /* omap24xx */
+		clk = NULL;
+	}
+
+	dss.dpll4_m4_ck = clk;
+
+	return 0;
+
+err:
+	if (dss.dss_clk)
+		clk_put(dss.dss_clk);
+	if (dss.dpll4_m4_ck)
+		clk_put(dss.dpll4_m4_ck);
+
+	return r;
+}
+
+static void dss_put_clocks(void)
+{
+	if (dss.dpll4_m4_ck)
+		clk_put(dss.dpll4_m4_ck);
+	clk_put(dss.dss_clk);
+}
+
+int dss_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("dss_runtime_get\n");
+
+	r = pm_runtime_get_sync(&dss.pdev->dev);
+	WARN_ON(r < 0);
+	return r < 0 ? r : 0;
+}
+
+void dss_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("dss_runtime_put\n");
+
+	r = pm_runtime_put_sync(&dss.pdev->dev);
+	WARN_ON(r < 0);
+}
+
+/* DEBUGFS */
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
+void dss_debug_dump_clocks(struct seq_file *s)
+{
+	dss_dump_clocks(s);
+	dispc_dump_clocks(s);
+#ifdef CONFIG_OMAP2_DSS_DSI
+	dsi_dump_clocks(s);
+#endif
+}
+#endif
+
+/* DSS HW IP initialisation */
+static int omap_dsshw_probe(struct platform_device *pdev)
+{
+	struct resource *dss_mem;
+	u32 rev;
+	int r;
+
+	dss.pdev = pdev;
+
+	dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0);
+	if (!dss_mem) {
+		DSSERR("can't get IORESOURCE_MEM DSS\n");
+		return -EINVAL;
+	}
+
+	dss.base = devm_ioremap(&pdev->dev, dss_mem->start,
+				resource_size(dss_mem));
+	if (!dss.base) {
+		DSSERR("can't ioremap DSS\n");
+		return -ENOMEM;
+	}
+
+	r = dss_get_clocks();
+	if (r)
+		return r;
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = dss_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	/* Select DPLL */
+	REG_FLD_MOD(DSS_CONTROL, 0, 0, 0);
+
+#ifdef CONFIG_OMAP2_DSS_VENC
+	REG_FLD_MOD(DSS_CONTROL, 1, 4, 4);	/* venc dac demen */
+	REG_FLD_MOD(DSS_CONTROL, 1, 3, 3);	/* venc clock 4x enable */
+	REG_FLD_MOD(DSS_CONTROL, 0, 2, 2);	/* venc clock mode = normal */
+#endif
+	dss.dsi_clk_source[0] = OMAP_DSS_CLK_SRC_FCK;
+	dss.dsi_clk_source[1] = OMAP_DSS_CLK_SRC_FCK;
+	dss.dispc_clk_source = OMAP_DSS_CLK_SRC_FCK;
+	dss.lcd_clk_source[0] = OMAP_DSS_CLK_SRC_FCK;
+	dss.lcd_clk_source[1] = OMAP_DSS_CLK_SRC_FCK;
+
+	r = dpi_init();
+	if (r) {
+		DSSERR("Failed to initialize DPI\n");
+		goto err_dpi;
+	}
+
+	r = sdi_init();
+	if (r) {
+		DSSERR("Failed to initialize SDI\n");
+		goto err_sdi;
+	}
+
+	rev = dss_read_reg(DSS_REVISION);
+	printk(KERN_INFO "OMAP DSS rev %d.%d\n",
+			FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	dss_runtime_put();
+
+	return 0;
+err_sdi:
+	dpi_exit();
+err_dpi:
+	dss_runtime_put();
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	dss_put_clocks();
+	return r;
+}
+
+static int omap_dsshw_remove(struct platform_device *pdev)
+{
+	dpi_exit();
+	sdi_exit();
+
+	pm_runtime_disable(&pdev->dev);
+
+	dss_put_clocks();
+
+	return 0;
+}
+
+static int dss_runtime_suspend(struct device *dev)
+{
+	dss_save_context();
+	return 0;
+}
+
+static int dss_runtime_resume(struct device *dev)
+{
+	dss_restore_context();
+	return 0;
+}
+
+static const struct dev_pm_ops dss_pm_ops = {
+	.runtime_suspend = dss_runtime_suspend,
+	.runtime_resume = dss_runtime_resume,
+};
+
+static struct platform_driver omap_dsshw_driver = {
+	.probe          = omap_dsshw_probe,
+	.remove         = omap_dsshw_remove,
+	.driver         = {
+		.name   = "omapdss_dss",
+		.owner  = THIS_MODULE,
+		.pm	= &dss_pm_ops,
+	},
+};
+
+int dss_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dsshw_driver);
+}
+
+void dss_uninit_platform_driver(void)
+{
+	return platform_driver_unregister(&omap_dsshw_driver);
+}
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
new file mode 100644
index 00000000..d0638da9
--- /dev/null
+++ b/drivers/video/omap2/dss/dss.h
@@ -0,0 +1,547 @@
+/*
+ * linux/drivers/video/omap2/dss/dss.h
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __OMAP2_DSS_H
+#define __OMAP2_DSS_H
+
+#ifdef CONFIG_OMAP2_DSS_DEBUG_SUPPORT
+#define DEBUG
+#endif
+
+#ifdef DEBUG
+extern bool dss_debug;
+#ifdef DSS_SUBSYS_NAME
+#define DSSDBG(format, ...) \
+	if (dss_debug) \
+		printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME ": " format, \
+		## __VA_ARGS__)
+#else
+#define DSSDBG(format, ...) \
+	if (dss_debug) \
+		printk(KERN_DEBUG "omapdss: " format, ## __VA_ARGS__)
+#endif
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSDBGF(format, ...) \
+	if (dss_debug) \
+		printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME \
+				": %s(" format ")\n", \
+				__func__, \
+				## __VA_ARGS__)
+#else
+#define DSSDBGF(format, ...) \
+	if (dss_debug) \
+		printk(KERN_DEBUG "omapdss: " \
+				": %s(" format ")\n", \
+				__func__, \
+				## __VA_ARGS__)
+#endif
+
+#else /* DEBUG */
+#define DSSDBG(format, ...)
+#define DSSDBGF(format, ...)
+#endif
+
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSERR(format, ...) \
+	printk(KERN_ERR "omapdss " DSS_SUBSYS_NAME " error: " format, \
+	## __VA_ARGS__)
+#else
+#define DSSERR(format, ...) \
+	printk(KERN_ERR "omapdss error: " format, ## __VA_ARGS__)
+#endif
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSINFO(format, ...) \
+	printk(KERN_INFO "omapdss " DSS_SUBSYS_NAME ": " format, \
+	## __VA_ARGS__)
+#else
+#define DSSINFO(format, ...) \
+	printk(KERN_INFO "omapdss: " format, ## __VA_ARGS__)
+#endif
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSWARN(format, ...) \
+	printk(KERN_WARNING "omapdss " DSS_SUBSYS_NAME ": " format, \
+	## __VA_ARGS__)
+#else
+#define DSSWARN(format, ...) \
+	printk(KERN_WARNING "omapdss: " format, ## __VA_ARGS__)
+#endif
+
+/* OMAP TRM gives bitfields as start:end, where start is the higher bit
+   number. For example 7:0 */
+#define FLD_MASK(start, end)	(((1 << ((start) - (end) + 1)) - 1) << (end))
+#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
+#define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end))
+#define FLD_MOD(orig, val, start, end) \
+	(((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end))
+
+enum dss_io_pad_mode {
+	DSS_IO_PAD_MODE_RESET,
+	DSS_IO_PAD_MODE_RFBI,
+	DSS_IO_PAD_MODE_BYPASS,
+};
+
+enum dss_hdmi_venc_clk_source_select {
+	DSS_VENC_TV_CLK = 0,
+	DSS_HDMI_M_PCLK = 1,
+};
+
+enum dss_dsi_content_type {
+	DSS_DSI_CONTENT_DCS,
+	DSS_DSI_CONTENT_GENERIC,
+};
+
+struct dss_clock_info {
+	/* rates that we get with dividers below */
+	unsigned long fck;
+
+	/* dividers */
+	u16 fck_div;
+};
+
+struct dispc_clock_info {
+	/* rates that we get with dividers below */
+	unsigned long lck;
+	unsigned long pck;
+
+	/* dividers */
+	u16 lck_div;
+	u16 pck_div;
+};
+
+struct dsi_clock_info {
+	/* rates that we get with dividers below */
+	unsigned long fint;
+	unsigned long clkin4ddr;
+	unsigned long clkin;
+	unsigned long dsi_pll_hsdiv_dispc_clk;	/* OMAP3: DSI1_PLL_CLK
+						 * OMAP4: PLLx_CLK1 */
+	unsigned long dsi_pll_hsdiv_dsi_clk;	/* OMAP3: DSI2_PLL_CLK
+						 * OMAP4: PLLx_CLK2 */
+	unsigned long lp_clk;
+
+	/* dividers */
+	u16 regn;
+	u16 regm;
+	u16 regm_dispc;	/* OMAP3: REGM3
+			 * OMAP4: REGM4 */
+	u16 regm_dsi;	/* OMAP3: REGM4
+			 * OMAP4: REGM5 */
+	u16 lp_clk_div;
+
+	u8 highfreq;
+	bool use_sys_clk;
+};
+
+struct seq_file;
+struct platform_device;
+
+/* core */
+struct bus_type *dss_get_bus(void);
+struct regulator *dss_get_vdds_dsi(void);
+struct regulator *dss_get_vdds_sdi(void);
+
+/* apply */
+void dss_apply_init(void);
+int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr);
+int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
+void dss_mgr_start_update(struct omap_overlay_manager *mgr);
+int omap_dss_mgr_apply(struct omap_overlay_manager *mgr);
+
+int dss_mgr_enable(struct omap_overlay_manager *mgr);
+void dss_mgr_disable(struct omap_overlay_manager *mgr);
+int dss_mgr_set_info(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info);
+void dss_mgr_get_info(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info);
+int dss_mgr_set_device(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev);
+int dss_mgr_unset_device(struct omap_overlay_manager *mgr);
+
+bool dss_ovl_is_enabled(struct omap_overlay *ovl);
+int dss_ovl_enable(struct omap_overlay *ovl);
+int dss_ovl_disable(struct omap_overlay *ovl);
+int dss_ovl_set_info(struct omap_overlay *ovl,
+		struct omap_overlay_info *info);
+void dss_ovl_get_info(struct omap_overlay *ovl,
+		struct omap_overlay_info *info);
+int dss_ovl_set_manager(struct omap_overlay *ovl,
+		struct omap_overlay_manager *mgr);
+int dss_ovl_unset_manager(struct omap_overlay *ovl);
+
+/* display */
+int dss_suspend_all_devices(void);
+int dss_resume_all_devices(void);
+void dss_disable_all_devices(void);
+
+void dss_init_device(struct platform_device *pdev,
+		struct omap_dss_device *dssdev);
+void dss_uninit_device(struct platform_device *pdev,
+		struct omap_dss_device *dssdev);
+bool dss_use_replication(struct omap_dss_device *dssdev,
+		enum omap_color_mode mode);
+
+/* manager */
+int dss_init_overlay_managers(struct platform_device *pdev);
+void dss_uninit_overlay_managers(struct platform_device *pdev);
+int dss_mgr_simple_check(struct omap_overlay_manager *mgr,
+		const struct omap_overlay_manager_info *info);
+int dss_mgr_check(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev,
+		struct omap_overlay_manager_info *info,
+		struct omap_overlay_info **overlay_infos);
+
+/* overlay */
+void dss_init_overlays(struct platform_device *pdev);
+void dss_uninit_overlays(struct platform_device *pdev);
+void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr);
+void dss_recheck_connections(struct omap_dss_device *dssdev, bool force);
+int dss_ovl_simple_check(struct omap_overlay *ovl,
+		const struct omap_overlay_info *info);
+int dss_ovl_check(struct omap_overlay *ovl,
+		struct omap_overlay_info *info, struct omap_dss_device *dssdev);
+
+/* DSS */
+int dss_init_platform_driver(void);
+void dss_uninit_platform_driver(void);
+
+int dss_runtime_get(void);
+void dss_runtime_put(void);
+
+void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
+enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
+const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
+void dss_dump_clocks(struct seq_file *s);
+
+void dss_dump_regs(struct seq_file *s);
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
+void dss_debug_dump_clocks(struct seq_file *s);
+#endif
+
+void dss_sdi_init(u8 datapairs);
+int dss_sdi_enable(void);
+void dss_sdi_disable(void);
+
+void dss_select_dispc_clk_source(enum omap_dss_clk_source clk_src);
+void dss_select_dsi_clk_source(int dsi_module,
+		enum omap_dss_clk_source clk_src);
+void dss_select_lcd_clk_source(enum omap_channel channel,
+		enum omap_dss_clk_source clk_src);
+enum omap_dss_clk_source dss_get_dispc_clk_source(void);
+enum omap_dss_clk_source dss_get_dsi_clk_source(int dsi_module);
+enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel);
+
+void dss_set_venc_output(enum omap_dss_venc_type type);
+void dss_set_dac_pwrdn_bgz(bool enable);
+
+unsigned long dss_get_dpll4_rate(void);
+int dss_calc_clock_rates(struct dss_clock_info *cinfo);
+int dss_set_clock_div(struct dss_clock_info *cinfo);
+int dss_get_clock_div(struct dss_clock_info *cinfo);
+int dss_calc_clock_div(bool is_tft, unsigned long req_pck,
+		struct dss_clock_info *dss_cinfo,
+		struct dispc_clock_info *dispc_cinfo);
+
+/* SDI */
+#ifdef CONFIG_OMAP2_DSS_SDI
+int sdi_init(void);
+void sdi_exit(void);
+int sdi_init_display(struct omap_dss_device *display);
+#else
+static inline int sdi_init(void)
+{
+	return 0;
+}
+static inline void sdi_exit(void)
+{
+}
+#endif
+
+/* DSI */
+#ifdef CONFIG_OMAP2_DSS_DSI
+
+struct dentry;
+struct file_operations;
+
+int dsi_init_platform_driver(void);
+void dsi_uninit_platform_driver(void);
+
+int dsi_runtime_get(struct platform_device *dsidev);
+void dsi_runtime_put(struct platform_device *dsidev);
+
+void dsi_dump_clocks(struct seq_file *s);
+void dsi_create_debugfs_files_irq(struct dentry *debugfs_dir,
+		const struct file_operations *debug_fops);
+void dsi_create_debugfs_files_reg(struct dentry *debugfs_dir,
+		const struct file_operations *debug_fops);
+
+int dsi_init_display(struct omap_dss_device *display);
+void dsi_irq_handler(void);
+u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt);
+
+unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev);
+int dsi_pll_set_clock_div(struct platform_device *dsidev,
+		struct dsi_clock_info *cinfo);
+int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, bool is_tft,
+		unsigned long req_pck, struct dsi_clock_info *cinfo,
+		struct dispc_clock_info *dispc_cinfo);
+int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
+		bool enable_hsdiv);
+void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes);
+void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev);
+void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev);
+struct platform_device *dsi_get_dsidev_from_id(int module);
+#else
+static inline int dsi_init_platform_driver(void)
+{
+	return 0;
+}
+static inline void dsi_uninit_platform_driver(void)
+{
+}
+static inline int dsi_runtime_get(struct platform_device *dsidev)
+{
+	return 0;
+}
+static inline void dsi_runtime_put(struct platform_device *dsidev)
+{
+}
+static inline u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt)
+{
+	WARN("%s: DSI not compiled in, returning pixel_size as 0\n", __func__);
+	return 0;
+}
+static inline unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev)
+{
+	WARN("%s: DSI not compiled in, returning rate as 0\n", __func__);
+	return 0;
+}
+static inline int dsi_pll_set_clock_div(struct platform_device *dsidev,
+		struct dsi_clock_info *cinfo)
+{
+	WARN("%s: DSI not compiled in\n", __func__);
+	return -ENODEV;
+}
+static inline int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev,
+		bool is_tft, unsigned long req_pck,
+		struct dsi_clock_info *dsi_cinfo,
+		struct dispc_clock_info *dispc_cinfo)
+{
+	WARN("%s: DSI not compiled in\n", __func__);
+	return -ENODEV;
+}
+static inline int dsi_pll_init(struct platform_device *dsidev,
+		bool enable_hsclk, bool enable_hsdiv)
+{
+	WARN("%s: DSI not compiled in\n", __func__);
+	return -ENODEV;
+}
+static inline void dsi_pll_uninit(struct platform_device *dsidev,
+		bool disconnect_lanes)
+{
+}
+static inline void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev)
+{
+}
+static inline void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev)
+{
+}
+static inline struct platform_device *dsi_get_dsidev_from_id(int module)
+{
+	WARN("%s: DSI not compiled in, returning platform device as NULL\n",
+			__func__);
+	return NULL;
+}
+#endif
+
+/* DPI */
+#ifdef CONFIG_OMAP2_DSS_DPI
+int dpi_init(void);
+void dpi_exit(void);
+int dpi_init_display(struct omap_dss_device *dssdev);
+#else
+static inline int dpi_init(void)
+{
+	return 0;
+}
+static inline void dpi_exit(void)
+{
+}
+#endif
+
+/* DISPC */
+int dispc_init_platform_driver(void);
+void dispc_uninit_platform_driver(void);
+void dispc_dump_clocks(struct seq_file *s);
+void dispc_dump_irqs(struct seq_file *s);
+void dispc_dump_regs(struct seq_file *s);
+void dispc_irq_handler(void);
+void dispc_fake_vsync_irq(void);
+
+int dispc_runtime_get(void);
+void dispc_runtime_put(void);
+
+void dispc_enable_sidle(void);
+void dispc_disable_sidle(void);
+
+void dispc_lcd_enable_signal_polarity(bool act_high);
+void dispc_lcd_enable_signal(bool enable);
+void dispc_pck_free_enable(bool enable);
+void dispc_set_digit_size(u16 width, u16 height);
+void dispc_enable_fifomerge(bool enable);
+void dispc_enable_gamma_table(bool enable);
+void dispc_set_loadmode(enum omap_dss_load_mode mode);
+
+bool dispc_lcd_timings_ok(struct omap_video_timings *timings);
+unsigned long dispc_fclk_rate(void);
+void dispc_find_clk_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
+		struct dispc_clock_info *cinfo);
+int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
+		struct dispc_clock_info *cinfo);
+
+
+void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high);
+void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
+		u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
+		bool manual_update);
+int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
+		bool ilace, bool replication);
+int dispc_ovl_enable(enum omap_plane plane, bool enable);
+void dispc_ovl_set_channel_out(enum omap_plane plane,
+		enum omap_channel channel);
+
+void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable);
+void dispc_mgr_set_lcd_size(enum omap_channel channel, u16 width, u16 height);
+u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
+u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
+bool dispc_mgr_go_busy(enum omap_channel channel);
+void dispc_mgr_go(enum omap_channel channel);
+bool dispc_mgr_is_enabled(enum omap_channel channel);
+void dispc_mgr_enable(enum omap_channel channel, bool enable);
+bool dispc_mgr_is_channel_enabled(enum omap_channel channel);
+void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode);
+void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable);
+void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines);
+void dispc_mgr_set_lcd_display_type(enum omap_channel channel,
+		enum omap_lcd_display_type type);
+void dispc_mgr_set_lcd_timings(enum omap_channel channel,
+		struct omap_video_timings *timings);
+void dispc_mgr_set_pol_freq(enum omap_channel channel,
+		enum omap_panel_config config, u8 acbi, u8 acb);
+unsigned long dispc_mgr_lclk_rate(enum omap_channel channel);
+unsigned long dispc_mgr_pclk_rate(enum omap_channel channel);
+int dispc_mgr_set_clock_div(enum omap_channel channel,
+		struct dispc_clock_info *cinfo);
+int dispc_mgr_get_clock_div(enum omap_channel channel,
+		struct dispc_clock_info *cinfo);
+void dispc_mgr_setup(enum omap_channel channel,
+		struct omap_overlay_manager_info *info);
+
+/* VENC */
+#ifdef CONFIG_OMAP2_DSS_VENC
+int venc_init_platform_driver(void);
+void venc_uninit_platform_driver(void);
+void venc_dump_regs(struct seq_file *s);
+int venc_init_display(struct omap_dss_device *display);
+unsigned long venc_get_pixel_clock(void);
+#else
+static inline int venc_init_platform_driver(void)
+{
+	return 0;
+}
+static inline void venc_uninit_platform_driver(void)
+{
+}
+static inline unsigned long venc_get_pixel_clock(void)
+{
+	WARN("%s: VENC not compiled in, returning pclk as 0\n", __func__);
+	return 0;
+}
+#endif
+
+/* HDMI */
+#ifdef CONFIG_OMAP4_DSS_HDMI
+int hdmi_init_platform_driver(void);
+void hdmi_uninit_platform_driver(void);
+int hdmi_init_display(struct omap_dss_device *dssdev);
+unsigned long hdmi_get_pixel_clock(void);
+void hdmi_dump_regs(struct seq_file *s);
+#else
+static inline int hdmi_init_display(struct omap_dss_device *dssdev)
+{
+	return 0;
+}
+static inline int hdmi_init_platform_driver(void)
+{
+	return 0;
+}
+static inline void hdmi_uninit_platform_driver(void)
+{
+}
+static inline unsigned long hdmi_get_pixel_clock(void)
+{
+	WARN("%s: HDMI not compiled in, returning pclk as 0\n", __func__);
+	return 0;
+}
+#endif
+int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev);
+void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev);
+void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev);
+int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
+					struct omap_video_timings *timings);
+int omapdss_hdmi_read_edid(u8 *buf, int len);
+bool omapdss_hdmi_detect(void);
+int hdmi_panel_init(void);
+void hdmi_panel_exit(void);
+
+/* RFBI */
+#ifdef CONFIG_OMAP2_DSS_RFBI
+int rfbi_init_platform_driver(void);
+void rfbi_uninit_platform_driver(void);
+void rfbi_dump_regs(struct seq_file *s);
+int rfbi_init_display(struct omap_dss_device *display);
+#else
+static inline int rfbi_init_platform_driver(void)
+{
+	return 0;
+}
+static inline void rfbi_uninit_platform_driver(void)
+{
+}
+#endif
+
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+static inline void dss_collect_irq_stats(u32 irqstatus, unsigned *irq_arr)
+{
+	int b;
+	for (b = 0; b < 32; ++b) {
+		if (irqstatus & (1 << b))
+			irq_arr[b]++;
+	}
+}
+#endif
+
+#endif
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
new file mode 100644
index 00000000..ce14aa6d
--- /dev/null
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -0,0 +1,683 @@
+/*
+ * linux/drivers/video/omap2/dss/dss_features.c
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Archit Taneja <archit@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+
+#include <video/omapdss.h>
+#include <plat/cpu.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/* Defines a generic omap register field */
+struct dss_reg_field {
+	u8 start, end;
+};
+
+struct dss_param_range {
+	int min, max;
+};
+
+struct omap_dss_features {
+	const struct dss_reg_field *reg_fields;
+	const int num_reg_fields;
+
+	const enum dss_feat_id *features;
+	const int num_features;
+
+	const int num_mgrs;
+	const int num_ovls;
+	const enum omap_display_type *supported_displays;
+	const enum omap_color_mode *supported_color_modes;
+	const enum omap_overlay_caps *overlay_caps;
+	const char * const *clksrc_names;
+	const struct dss_param_range *dss_params;
+
+	const u32 buffer_size_unit;
+	const u32 burst_size_unit;
+};
+
+/* This struct is assigned to one of the below during initialization */
+static const struct omap_dss_features *omap_current_dss_features;
+
+static const struct dss_reg_field omap2_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 11, 0 },
+	[FEAT_REG_FIRVINC]			= { 27, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 8, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 24, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 8, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
+	[FEAT_REG_DSIPLL_REGN]			= { 0, 0 },
+	[FEAT_REG_DSIPLL_REGM]			= { 0, 0 },
+	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 0, 0 },
+	[FEAT_REG_DSIPLL_REGM_DSI]		= { 0, 0 },
+};
+
+static const struct dss_reg_field omap3_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 11, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 10, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
+	[FEAT_REG_DSIPLL_REGN]			= { 7, 1 },
+	[FEAT_REG_DSIPLL_REGM]			= { 18, 8 },
+	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 22, 19 },
+	[FEAT_REG_DSIPLL_REGM_DSI]		= { 26, 23 },
+};
+
+static const struct dss_reg_field omap4_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 9, 8 },
+	[FEAT_REG_DSIPLL_REGN]			= { 8, 1 },
+	[FEAT_REG_DSIPLL_REGM]			= { 20, 9 },
+	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 25, 21 },
+	[FEAT_REG_DSIPLL_REGM_DSI]		= { 30, 26 },
+};
+
+static const enum omap_display_type omap2_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC,
+};
+
+static const enum omap_display_type omap3430_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC,
+};
+
+static const enum omap_display_type omap3630_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC,
+};
+
+static const enum omap_display_type omap4_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+};
+
+static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
+	OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+	OMAP_DSS_COLOR_UYVY,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+	OMAP_DSS_COLOR_UYVY,
+};
+
+static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+	OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
+};
+
+static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
+	OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+
+       /* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+
+	/* OMAP_DSS_VIDEO3 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+};
+
+static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	0,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE,
+};
+
+static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
+};
+
+static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
+};
+
+static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
+		OMAP_DSS_OVL_CAP_ZORDER,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
+
+	/* OMAP_DSS_VIDEO3 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
+};
+
+static const char * const omap2_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "N/A",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "N/A",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCLK1",
+};
+
+static const char * const omap3_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DSI1_PLL_FCLK",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DSI2_PLL_FCLK",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS1_ALWON_FCLK",
+};
+
+static const char * const omap4_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "PLL1_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "PLL1_CLK2",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCLK",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC]	= "PLL2_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "PLL2_CLK2",
+};
+
+static const struct dss_param_range omap2_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 2, 255 },
+	[FEAT_PARAM_DSIPLL_REGN]		= { 0, 0 },
+	[FEAT_PARAM_DSIPLL_REGM]		= { 0, 0 },
+	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, 0 },
+	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, 0 },
+	[FEAT_PARAM_DSIPLL_FINT]		= { 0, 0 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, 0 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 2 },
+	/*
+	 * Assuming the line width buffer to be 768 pixels as OMAP2 DISPC
+	 * scaler cannot scale a image with width more than 768.
+	 */
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 768 },
+};
+
+static const struct dss_param_range omap3_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DSIPLL_REGN]		= { 0, (1 << 7) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM]		= { 0, (1 << 11) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, (1 << 4) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 4) - 1 },
+	[FEAT_PARAM_DSIPLL_FINT]		= { 750000, 2100000 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 1, (1 << 13) - 1},
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 1024 },
+};
+
+static const struct dss_param_range omap4_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 186000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DSIPLL_REGN]		= { 0, (1 << 8) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM]		= { 0, (1 << 12) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, (1 << 5) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 5) - 1 },
+	[FEAT_PARAM_DSIPLL_FINT]		= { 500000, 2500000 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, (1 << 13) - 1 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 2048 },
+};
+
+static const enum dss_feat_id omap2_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+};
+
+static const enum dss_feat_id omap3430_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_DSI_PLL_FREQSEL,
+	FEAT_DSI_REVERSE_TXCLKESC,
+	FEAT_VENC_REQUIRES_TV_DAC_CLK,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_OMAP3_DSI_FIFO_BUG,
+};
+
+static const enum dss_feat_id omap3630_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_DSI_PLL_PWR_BUG,
+	FEAT_DSI_PLL_FREQSEL,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_OMAP3_DSI_FIFO_BUG,
+};
+
+static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+};
+
+static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+};
+
+static const enum dss_feat_id omap4_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HDMI_AUDIO_USE_MCLK,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+};
+
+/* OMAP2 DSS Features */
+static const struct omap_dss_features omap2_dss_features = {
+	.reg_fields = omap2_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
+
+	.features = omap2_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap2_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap2_dss_supported_displays,
+	.supported_color_modes = omap2_dss_supported_color_modes,
+	.overlay_caps = omap2_dss_overlay_caps,
+	.clksrc_names = omap2_dss_clk_source_names,
+	.dss_params = omap2_dss_param_range,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+/* OMAP3 DSS Features */
+static const struct omap_dss_features omap3430_dss_features = {
+	.reg_fields = omap3_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+	.features = omap3430_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap3430_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap3430_dss_supported_displays,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3430_dss_overlay_caps,
+	.clksrc_names = omap3_dss_clk_source_names,
+	.dss_params = omap3_dss_param_range,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+static const struct omap_dss_features omap3630_dss_features = {
+	.reg_fields = omap3_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+	.features = omap3630_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap3630_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap3630_dss_supported_displays,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3630_dss_overlay_caps,
+	.clksrc_names = omap3_dss_clk_source_names,
+	.dss_params = omap3_dss_param_range,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+/* OMAP4 DSS Features */
+/* For OMAP4430 ES 1.0 revision */
+static const struct omap_dss_features omap4430_es1_0_dss_features  = {
+	.reg_fields = omap4_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
+
+	.features = omap4430_es1_0_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap4_dss_supported_displays,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap4_dss_clk_source_names,
+	.dss_params = omap4_dss_param_range,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+/* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
+static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
+	.reg_fields = omap4_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
+
+	.features = omap4430_es2_0_1_2_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap4_dss_supported_displays,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap4_dss_clk_source_names,
+	.dss_params = omap4_dss_param_range,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+/* For all the other OMAP4 versions */
+static const struct omap_dss_features omap4_dss_features = {
+	.reg_fields = omap4_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
+
+	.features = omap4_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap4_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap4_dss_supported_displays,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap4_dss_clk_source_names,
+	.dss_params = omap4_dss_param_range,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+#if defined(CONFIG_OMAP4_DSS_HDMI)
+/* HDMI OMAP4 Functions*/
+static const struct ti_hdmi_ip_ops omap4_hdmi_functions = {
+
+	.video_configure	=	ti_hdmi_4xxx_basic_configure,
+	.phy_enable		=	ti_hdmi_4xxx_phy_enable,
+	.phy_disable		=	ti_hdmi_4xxx_phy_disable,
+	.read_edid		=	ti_hdmi_4xxx_read_edid,
+	.detect			=	ti_hdmi_4xxx_detect,
+	.pll_enable		=	ti_hdmi_4xxx_pll_enable,
+	.pll_disable		=	ti_hdmi_4xxx_pll_disable,
+	.video_enable		=	ti_hdmi_4xxx_wp_video_start,
+	.dump_wrapper		=	ti_hdmi_4xxx_wp_dump,
+	.dump_core		=	ti_hdmi_4xxx_core_dump,
+	.dump_pll		=	ti_hdmi_4xxx_pll_dump,
+	.dump_phy		=	ti_hdmi_4xxx_phy_dump,
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+	.audio_enable		=       ti_hdmi_4xxx_wp_audio_enable,
+#endif
+
+};
+
+void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data)
+{
+	if (cpu_is_omap44xx())
+		ip_data->ops = &omap4_hdmi_functions;
+}
+#endif
+
+/* Functions returning values related to a DSS feature */
+int dss_feat_get_num_mgrs(void)
+{
+	return omap_current_dss_features->num_mgrs;
+}
+
+int dss_feat_get_num_ovls(void)
+{
+	return omap_current_dss_features->num_ovls;
+}
+
+unsigned long dss_feat_get_param_min(enum dss_range_param param)
+{
+	return omap_current_dss_features->dss_params[param].min;
+}
+
+unsigned long dss_feat_get_param_max(enum dss_range_param param)
+{
+	return omap_current_dss_features->dss_params[param].max;
+}
+
+enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
+{
+	return omap_current_dss_features->supported_displays[channel];
+}
+
+enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
+{
+	return omap_current_dss_features->supported_color_modes[plane];
+}
+
+enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
+{
+	return omap_current_dss_features->overlay_caps[plane];
+}
+
+bool dss_feat_color_mode_supported(enum omap_plane plane,
+		enum omap_color_mode color_mode)
+{
+	return omap_current_dss_features->supported_color_modes[plane] &
+			color_mode;
+}
+
+const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
+{
+	return omap_current_dss_features->clksrc_names[id];
+}
+
+u32 dss_feat_get_buffer_size_unit(void)
+{
+	return omap_current_dss_features->buffer_size_unit;
+}
+
+u32 dss_feat_get_burst_size_unit(void)
+{
+	return omap_current_dss_features->burst_size_unit;
+}
+
+/* DSS has_feature check */
+bool dss_has_feature(enum dss_feat_id id)
+{
+	int i;
+	const enum dss_feat_id *features = omap_current_dss_features->features;
+	const int num_features = omap_current_dss_features->num_features;
+
+	for (i = 0; i < num_features; i++) {
+		if (features[i] == id)
+			return true;
+	}
+
+	return false;
+}
+
+void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
+{
+	if (id >= omap_current_dss_features->num_reg_fields)
+		BUG();
+
+	*start = omap_current_dss_features->reg_fields[id].start;
+	*end = omap_current_dss_features->reg_fields[id].end;
+}
+
+void dss_features_init(void)
+{
+	if (cpu_is_omap24xx())
+		omap_current_dss_features = &omap2_dss_features;
+	else if (cpu_is_omap3630())
+		omap_current_dss_features = &omap3630_dss_features;
+	else if (cpu_is_omap34xx())
+		omap_current_dss_features = &omap3430_dss_features;
+	else if (omap_rev() == OMAP4430_REV_ES1_0)
+		omap_current_dss_features = &omap4430_es1_0_dss_features;
+	else if (omap_rev() == OMAP4430_REV_ES2_0 ||
+		omap_rev() == OMAP4430_REV_ES2_1 ||
+		omap_rev() == OMAP4430_REV_ES2_2)
+		omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
+	else if (cpu_is_omap44xx())
+		omap_current_dss_features = &omap4_dss_features;
+	else
+		DSSWARN("Unsupported OMAP version");
+}
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
new file mode 100644
index 00000000..c332e7dd
--- /dev/null
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -0,0 +1,117 @@
+/*
+ * linux/drivers/video/omap2/dss/dss_features.h
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Archit Taneja <archit@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __OMAP2_DSS_FEATURES_H
+#define __OMAP2_DSS_FEATURES_H
+
+#if defined(CONFIG_OMAP4_DSS_HDMI)
+#include "ti_hdmi.h"
+#endif
+
+#define MAX_DSS_MANAGERS	3
+#define MAX_DSS_OVERLAYS	4
+#define MAX_DSS_LCD_MANAGERS	2
+#define MAX_NUM_DSI		2
+
+/* DSS has feature id */
+enum dss_feat_id {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_MGR_LCD2,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	/* Independent core clk divider */
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	/* DSI-PLL power command 0x3 is not working */
+	FEAT_DSI_PLL_PWR_BUG,
+	FEAT_DSI_PLL_FREQSEL,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_REVERSE_TXCLKESC,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HDMI_AUDIO_USE_MCLK,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_VENC_REQUIRES_TV_DAC_CLK,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	/* An unknown HW bug causing the normal FIFO thresholds not to work */
+	FEAT_OMAP3_DSI_FIFO_BUG,
+};
+
+/* DSS register field id */
+enum dss_feat_reg_field {
+	FEAT_REG_FIRHINC,
+	FEAT_REG_FIRVINC,
+	FEAT_REG_FIFOHIGHTHRESHOLD,
+	FEAT_REG_FIFOLOWTHRESHOLD,
+	FEAT_REG_FIFOSIZE,
+	FEAT_REG_HORIZONTALACCU,
+	FEAT_REG_VERTICALACCU,
+	FEAT_REG_DISPC_CLK_SWITCH,
+	FEAT_REG_DSIPLL_REGN,
+	FEAT_REG_DSIPLL_REGM,
+	FEAT_REG_DSIPLL_REGM_DISPC,
+	FEAT_REG_DSIPLL_REGM_DSI,
+};
+
+enum dss_range_param {
+	FEAT_PARAM_DSS_FCK,
+	FEAT_PARAM_DSS_PCD,
+	FEAT_PARAM_DSIPLL_REGN,
+	FEAT_PARAM_DSIPLL_REGM,
+	FEAT_PARAM_DSIPLL_REGM_DISPC,
+	FEAT_PARAM_DSIPLL_REGM_DSI,
+	FEAT_PARAM_DSIPLL_FINT,
+	FEAT_PARAM_DSIPLL_LPDIV,
+	FEAT_PARAM_DOWNSCALE,
+	FEAT_PARAM_LINEWIDTH,
+};
+
+/* DSS Feature Functions */
+int dss_feat_get_num_mgrs(void);
+int dss_feat_get_num_ovls(void);
+unsigned long dss_feat_get_param_min(enum dss_range_param param);
+unsigned long dss_feat_get_param_max(enum dss_range_param param);
+enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
+enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
+enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
+bool dss_feat_color_mode_supported(enum omap_plane plane,
+		enum omap_color_mode color_mode);
+const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
+
+u32 dss_feat_get_buffer_size_unit(void);	/* in bytes */
+u32 dss_feat_get_burst_size_unit(void);		/* in bytes */
+
+bool dss_has_feature(enum dss_feat_id id);
+void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
+void dss_features_init(void);
+#if defined(CONFIG_OMAP4_DSS_HDMI)
+void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data);
+#endif
+#endif
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
new file mode 100644
index 00000000..c4b4f695
--- /dev/null
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -0,0 +1,921 @@
+/*
+ * hdmi.c
+ *
+ * HDMI interface DSS driver setting for TI's OMAP4 family of processor.
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ * Authors: Yong Zhi
+ *	Mythri pk <mythripk@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "HDMI"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/clk.h>
+#include <video/omapdss.h>
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#include "ti_hdmi_4xxx_ip.h"
+#endif
+
+#include "ti_hdmi.h"
+#include "dss.h"
+#include "dss_features.h"
+
+#define HDMI_WP			0x0
+#define HDMI_CORE_SYS		0x400
+#define HDMI_CORE_AV		0x900
+#define HDMI_PLLCTRL		0x200
+#define HDMI_PHY		0x300
+
+/* HDMI EDID Length move this */
+#define HDMI_EDID_MAX_LENGTH			256
+#define EDID_TIMING_DESCRIPTOR_SIZE		0x12
+#define EDID_DESCRIPTOR_BLOCK0_ADDRESS		0x36
+#define EDID_DESCRIPTOR_BLOCK1_ADDRESS		0x80
+#define EDID_SIZE_BLOCK0_TIMING_DESCRIPTOR	4
+#define EDID_SIZE_BLOCK1_TIMING_DESCRIPTOR	4
+
+#define HDMI_DEFAULT_REGN 16
+#define HDMI_DEFAULT_REGM2 1
+
+static struct {
+	struct mutex lock;
+	struct omap_display_platform_data *pdata;
+	struct platform_device *pdev;
+	struct hdmi_ip_data ip_data;
+
+	struct clk *sys_clk;
+} hdmi;
+
+/*
+ * Logic for the below structure :
+ * user enters the CEA or VESA timings by specifying the HDMI/DVI code.
+ * There is a correspondence between CEA/VESA timing and code, please
+ * refer to section 6.3 in HDMI 1.3 specification for timing code.
+ *
+ * In the below structure, cea_vesa_timings corresponds to all OMAP4
+ * supported CEA and VESA timing values.code_cea corresponds to the CEA
+ * code, It is used to get the timing from cea_vesa_timing array.Similarly
+ * with code_vesa. Code_index is used for back mapping, that is once EDID
+ * is read from the TV, EDID is parsed to find the timing values and then
+ * map it to corresponding CEA or VESA index.
+ */
+
+static const struct hdmi_config cea_timings[] = {
+{ {640, 480, 25200, 96, 16, 48, 2, 10, 33, 0, 0, 0}, {1, HDMI_HDMI} },
+{ {720, 480, 27027, 62, 16, 60, 6, 9, 30, 0, 0, 0}, {2, HDMI_HDMI} },
+{ {1280, 720, 74250, 40, 110, 220, 5, 5, 20, 1, 1, 0}, {4, HDMI_HDMI} },
+{ {1920, 540, 74250, 44, 88, 148, 5, 2, 15, 1, 1, 1}, {5, HDMI_HDMI} },
+{ {1440, 240, 27027, 124, 38, 114, 3, 4, 15, 0, 0, 1}, {6, HDMI_HDMI} },
+{ {1920, 1080, 148500, 44, 88, 148, 5, 4, 36, 1, 1, 0}, {16, HDMI_HDMI} },
+{ {720, 576, 27000, 64, 12, 68, 5, 5, 39, 0, 0, 0}, {17, HDMI_HDMI} },
+{ {1280, 720, 74250, 40, 440, 220, 5, 5, 20, 1, 1, 0}, {19, HDMI_HDMI} },
+{ {1920, 540, 74250, 44, 528, 148, 5, 2, 15, 1, 1, 1}, {20, HDMI_HDMI} },
+{ {1440, 288, 27000, 126, 24, 138, 3, 2, 19, 0, 0, 1}, {21, HDMI_HDMI} },
+{ {1440, 576, 54000, 128, 24, 136, 5, 5, 39, 0, 0, 0}, {29, HDMI_HDMI} },
+{ {1920, 1080, 148500, 44, 528, 148, 5, 4, 36, 1, 1, 0}, {31, HDMI_HDMI} },
+{ {1920, 1080, 74250, 44, 638, 148, 5, 4, 36, 1, 1, 0}, {32, HDMI_HDMI} },
+{ {2880, 480, 108108, 248, 64, 240, 6, 9, 30, 0, 0, 0}, {35, HDMI_HDMI} },
+{ {2880, 576, 108000, 256, 48, 272, 5, 5, 39, 0, 0, 0}, {37, HDMI_HDMI} },
+};
+static const struct hdmi_config vesa_timings[] = {
+/* VESA From Here */
+{ {640, 480, 25175, 96, 16, 48, 2 , 11, 31, 0, 0, 0}, {4, HDMI_DVI} },
+{ {800, 600, 40000, 128, 40, 88, 4 , 1, 23, 1, 1, 0}, {9, HDMI_DVI} },
+{ {848, 480, 33750, 112, 16, 112, 8 , 6, 23, 1, 1, 0}, {0xE, HDMI_DVI} },
+{ {1280, 768, 79500, 128, 64, 192, 7 , 3, 20, 1, 0, 0}, {0x17, HDMI_DVI} },
+{ {1280, 800, 83500, 128, 72, 200, 6 , 3, 22, 1, 0, 0}, {0x1C, HDMI_DVI} },
+{ {1360, 768, 85500, 112, 64, 256, 6 , 3, 18, 1, 1, 0}, {0x27, HDMI_DVI} },
+{ {1280, 960, 108000, 112, 96, 312, 3 , 1, 36, 1, 1, 0}, {0x20, HDMI_DVI} },
+{ {1280, 1024, 108000, 112, 48, 248, 3 , 1, 38, 1, 1, 0}, {0x23, HDMI_DVI} },
+{ {1024, 768, 65000, 136, 24, 160, 6, 3, 29, 0, 0, 0}, {0x10, HDMI_DVI} },
+{ {1400, 1050, 121750, 144, 88, 232, 4, 3, 32, 1, 0, 0}, {0x2A, HDMI_DVI} },
+{ {1440, 900, 106500, 152, 80, 232, 6, 3, 25, 1, 0, 0}, {0x2F, HDMI_DVI} },
+{ {1680, 1050, 146250, 176 , 104, 280, 6, 3, 30, 1, 0, 0}, {0x3A, HDMI_DVI} },
+{ {1366, 768, 85500, 143, 70, 213, 3, 3, 24, 1, 1, 0}, {0x51, HDMI_DVI} },
+{ {1920, 1080, 148500, 44, 148, 80, 5, 4, 36, 1, 1, 0}, {0x52, HDMI_DVI} },
+{ {1280, 768, 68250, 32, 48, 80, 7, 3, 12, 0, 1, 0}, {0x16, HDMI_DVI} },
+{ {1400, 1050, 101000, 32, 48, 80, 4, 3, 23, 0, 1, 0}, {0x29, HDMI_DVI} },
+{ {1680, 1050, 119000, 32, 48, 80, 6, 3, 21, 0, 1, 0}, {0x39, HDMI_DVI} },
+{ {1280, 800, 79500, 32, 48, 80, 6, 3, 14, 0, 1, 0}, {0x1B, HDMI_DVI} },
+{ {1280, 720, 74250, 40, 110, 220, 5, 5, 20, 1, 1, 0}, {0x55, HDMI_DVI} }
+};
+
+static int hdmi_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("hdmi_runtime_get\n");
+
+	/*
+	 * HACK: Add dss_runtime_get() to ensure DSS clock domain is enabled.
+	 * This should be removed later.
+	 */
+	r = dss_runtime_get();
+	if (r < 0)
+		goto err_get_dss;
+
+	r = pm_runtime_get_sync(&hdmi.pdev->dev);
+	WARN_ON(r < 0);
+	if (r < 0)
+		goto err_get_hdmi;
+
+	return 0;
+
+err_get_hdmi:
+	dss_runtime_put();
+err_get_dss:
+	return r;
+}
+
+static void hdmi_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("hdmi_runtime_put\n");
+
+	r = pm_runtime_put_sync(&hdmi.pdev->dev);
+	WARN_ON(r < 0);
+
+	/*
+	 * HACK: This is added to complement the dss_runtime_get() call in
+	 * hdmi_runtime_get(). This should be removed later.
+	 */
+	dss_runtime_put();
+}
+
+int hdmi_init_display(struct omap_dss_device *dssdev)
+{
+	DSSDBG("init_display\n");
+
+	dss_init_hdmi_ip_ops(&hdmi.ip_data);
+	return 0;
+}
+
+static const struct hdmi_config *hdmi_find_timing(
+					const struct hdmi_config *timings_arr,
+					int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		if (timings_arr[i].cm.code == hdmi.ip_data.cfg.cm.code)
+			return &timings_arr[i];
+	}
+	return NULL;
+}
+
+static const struct hdmi_config *hdmi_get_timings(void)
+{
+       const struct hdmi_config *arr;
+       int len;
+
+       if (hdmi.ip_data.cfg.cm.mode == HDMI_DVI) {
+               arr = vesa_timings;
+               len = ARRAY_SIZE(vesa_timings);
+       } else {
+               arr = cea_timings;
+               len = ARRAY_SIZE(cea_timings);
+       }
+
+       return hdmi_find_timing(arr, len);
+}
+
+static bool hdmi_timings_compare(struct omap_video_timings *timing1,
+				const struct hdmi_video_timings *timing2)
+{
+	int timing1_vsync, timing1_hsync, timing2_vsync, timing2_hsync;
+
+	if ((timing2->pixel_clock == timing1->pixel_clock) &&
+		(timing2->x_res == timing1->x_res) &&
+		(timing2->y_res == timing1->y_res)) {
+
+		timing2_hsync = timing2->hfp + timing2->hsw + timing2->hbp;
+		timing1_hsync = timing1->hfp + timing1->hsw + timing1->hbp;
+		timing2_vsync = timing2->vfp + timing2->vsw + timing2->vbp;
+		timing1_vsync = timing2->vfp + timing2->vsw + timing2->vbp;
+
+		DSSDBG("timing1_hsync = %d timing1_vsync = %d"\
+			"timing2_hsync = %d timing2_vsync = %d\n",
+			timing1_hsync, timing1_vsync,
+			timing2_hsync, timing2_vsync);
+
+		if ((timing1_hsync == timing2_hsync) &&
+			(timing1_vsync == timing2_vsync)) {
+			return true;
+		}
+	}
+	return false;
+}
+
+static struct hdmi_cm hdmi_get_code(struct omap_video_timings *timing)
+{
+	int i;
+	struct hdmi_cm cm = {-1};
+	DSSDBG("hdmi_get_code\n");
+
+	for (i = 0; i < ARRAY_SIZE(cea_timings); i++) {
+		if (hdmi_timings_compare(timing, &cea_timings[i].timings)) {
+			cm = cea_timings[i].cm;
+			goto end;
+		}
+	}
+	for (i = 0; i < ARRAY_SIZE(vesa_timings); i++) {
+		if (hdmi_timings_compare(timing, &vesa_timings[i].timings)) {
+			cm = vesa_timings[i].cm;
+			goto end;
+		}
+	}
+
+end:	return cm;
+
+}
+
+unsigned long hdmi_get_pixel_clock(void)
+{
+	/* HDMI Pixel Clock in Mhz */
+	return hdmi.ip_data.cfg.timings.pixel_clock * 1000;
+}
+
+static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
+		struct hdmi_pll_info *pi)
+{
+	unsigned long clkin, refclk;
+	u32 mf;
+
+	clkin = clk_get_rate(hdmi.sys_clk) / 10000;
+	/*
+	 * Input clock is predivided by N + 1
+	 * out put of which is reference clk
+	 */
+	if (dssdev->clocks.hdmi.regn == 0)
+		pi->regn = HDMI_DEFAULT_REGN;
+	else
+		pi->regn = dssdev->clocks.hdmi.regn;
+
+	refclk = clkin / pi->regn;
+
+	if (dssdev->clocks.hdmi.regm2 == 0)
+		pi->regm2 = HDMI_DEFAULT_REGM2;
+	else
+		pi->regm2 = dssdev->clocks.hdmi.regm2;
+
+	/*
+	 * multiplier is pixel_clk/ref_clk
+	 * Multiplying by 100 to avoid fractional part removal
+	 */
+	pi->regm = phy * pi->regm2 / refclk;
+
+	/*
+	 * fractional multiplier is remainder of the difference between
+	 * multiplier and actual phy(required pixel clock thus should be
+	 * multiplied by 2^18(262144) divided by the reference clock
+	 */
+	mf = (phy - pi->regm / pi->regm2 * refclk) * 262144;
+	pi->regmf = pi->regm2 * mf / refclk;
+
+	/*
+	 * Dcofreq should be set to 1 if required pixel clock
+	 * is greater than 1000MHz
+	 */
+	pi->dcofreq = phy > 1000 * 100;
+	pi->regsd = ((pi->regm * clkin / 10) / (pi->regn * 250) + 5) / 10;
+
+	/* Set the reference clock to sysclk reference */
+	pi->refsel = HDMI_REFSEL_SYSCLK;
+
+	DSSDBG("M = %d Mf = %d\n", pi->regm, pi->regmf);
+	DSSDBG("range = %d sd = %d\n", pi->dcofreq, pi->regsd);
+}
+
+static int hdmi_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+	const struct hdmi_config *timing;
+	struct omap_video_timings *p;
+	unsigned long phy;
+
+	r = hdmi_runtime_get();
+	if (r)
+		return r;
+
+	dss_mgr_disable(dssdev->manager);
+
+	p = &dssdev->panel.timings;
+
+	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n",
+		dssdev->panel.timings.x_res,
+		dssdev->panel.timings.y_res);
+
+	timing = hdmi_get_timings();
+	if (timing == NULL) {
+		/* HDMI code 4 corresponds to 640 * 480 VGA */
+		hdmi.ip_data.cfg.cm.code = 4;
+		/* DVI mode 1 corresponds to HDMI 0 to DVI */
+		hdmi.ip_data.cfg.cm.mode = HDMI_DVI;
+		hdmi.ip_data.cfg = vesa_timings[0];
+	} else {
+		hdmi.ip_data.cfg = *timing;
+	}
+	phy = p->pixel_clock;
+
+	hdmi_compute_pll(dssdev, phy, &hdmi.ip_data.pll_data);
+
+	hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 0);
+
+	/* config the PLL and PHY hdmi_set_pll_pwrfirst */
+	r = hdmi.ip_data.ops->pll_enable(&hdmi.ip_data);
+	if (r) {
+		DSSDBG("Failed to lock PLL\n");
+		goto err;
+	}
+
+	r = hdmi.ip_data.ops->phy_enable(&hdmi.ip_data);
+	if (r) {
+		DSSDBG("Failed to start PHY\n");
+		goto err;
+	}
+
+	hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
+
+	/* Make selection of HDMI in DSS */
+	dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+
+	/* Select the dispc clock source as PRCM clock, to ensure that it is not
+	 * DSI PLL source as the clock selected by DSI PLL might not be
+	 * sufficient for the resolution selected / that can be changed
+	 * dynamically by user. This can be moved to single location , say
+	 * Boardfile.
+	 */
+	dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
+
+	/* bypass TV gamma table */
+	dispc_enable_gamma_table(0);
+
+	/* tv size */
+	dispc_set_digit_size(dssdev->panel.timings.x_res,
+			dssdev->panel.timings.y_res);
+
+	hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 1);
+
+	r = dss_mgr_enable(dssdev->manager);
+	if (r)
+		goto err_mgr_enable;
+
+	return 0;
+
+err_mgr_enable:
+	hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 0);
+	hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
+	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
+err:
+	hdmi_runtime_put();
+	return -EIO;
+}
+
+static void hdmi_power_off(struct omap_dss_device *dssdev)
+{
+	dss_mgr_disable(dssdev->manager);
+
+	hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 0);
+	hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
+	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
+	hdmi_runtime_put();
+}
+
+int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
+					struct omap_video_timings *timings)
+{
+	struct hdmi_cm cm;
+
+	cm = hdmi_get_code(timings);
+	if (cm.code == -1) {
+		return -EINVAL;
+	}
+
+	return 0;
+
+}
+
+void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev)
+{
+	struct hdmi_cm cm;
+
+	cm = hdmi_get_code(&dssdev->panel.timings);
+	hdmi.ip_data.cfg.cm.code = cm.code;
+	hdmi.ip_data.cfg.cm.mode = cm.mode;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		int r;
+
+		hdmi_power_off(dssdev);
+
+		r = hdmi_power_on(dssdev);
+		if (r)
+			DSSERR("failed to power on device\n");
+	}
+}
+
+void hdmi_dump_regs(struct seq_file *s)
+{
+	mutex_lock(&hdmi.lock);
+
+	if (hdmi_runtime_get())
+		return;
+
+	hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
+	hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);
+	hdmi.ip_data.ops->dump_phy(&hdmi.ip_data, s);
+	hdmi.ip_data.ops->dump_core(&hdmi.ip_data, s);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+}
+
+int omapdss_hdmi_read_edid(u8 *buf, int len)
+{
+	int r;
+
+	mutex_lock(&hdmi.lock);
+
+	r = hdmi_runtime_get();
+	BUG_ON(r);
+
+	r = hdmi.ip_data.ops->read_edid(&hdmi.ip_data, buf, len);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+
+	return r;
+}
+
+bool omapdss_hdmi_detect(void)
+{
+	int r;
+
+	mutex_lock(&hdmi.lock);
+
+	r = hdmi_runtime_get();
+	BUG_ON(r);
+
+	r = hdmi.ip_data.ops->detect(&hdmi.ip_data);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+
+	return r == 1;
+}
+
+int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_hdmi_data *priv = dssdev->data;
+	int r = 0;
+
+	DSSDBG("ENTER hdmi_display_enable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	if (dssdev->manager == NULL) {
+		DSSERR("failed to enable display: no manager\n");
+		r = -ENODEV;
+		goto err0;
+	}
+
+	hdmi.ip_data.hpd_gpio = priv->hpd_gpio;
+
+	r = omap_dss_start_device(dssdev);
+	if (r) {
+		DSSERR("failed to start device\n");
+		goto err0;
+	}
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r) {
+			DSSERR("failed to enable GPIO's\n");
+			goto err1;
+		}
+	}
+
+	r = hdmi_power_on(dssdev);
+	if (r) {
+		DSSERR("failed to power on device\n");
+		goto err2;
+	}
+
+	mutex_unlock(&hdmi.lock);
+	return 0;
+
+err2:
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+err1:
+	omap_dss_stop_device(dssdev);
+err0:
+	mutex_unlock(&hdmi.lock);
+	return r;
+}
+
+void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
+{
+	DSSDBG("Enter hdmi_display_disable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	hdmi_power_off(dssdev);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omap_dss_stop_device(dssdev);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+
+static int hdmi_audio_trigger(struct snd_pcm_substream *substream, int cmd,
+				struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_codec *codec = rtd->codec;
+	struct platform_device *pdev = to_platform_device(codec->dev);
+	struct hdmi_ip_data *ip_data = snd_soc_codec_get_drvdata(codec);
+	int err = 0;
+
+	if (!(ip_data->ops) && !(ip_data->ops->audio_enable)) {
+		dev_err(&pdev->dev, "Cannot enable/disable audio\n");
+		return -ENODEV;
+	}
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		ip_data->ops->audio_enable(ip_data, true);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		ip_data->ops->audio_enable(ip_data, false);
+		break;
+	default:
+		err = -EINVAL;
+	}
+	return err;
+}
+
+static int hdmi_audio_hw_params(struct snd_pcm_substream *substream,
+				    struct snd_pcm_hw_params *params,
+				    struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_codec *codec = rtd->codec;
+	struct hdmi_ip_data *ip_data = snd_soc_codec_get_drvdata(codec);
+	struct hdmi_audio_format audio_format;
+	struct hdmi_audio_dma audio_dma;
+	struct hdmi_core_audio_config core_cfg;
+	struct hdmi_core_infoframe_audio aud_if_cfg;
+	int err, n, cts;
+	enum hdmi_core_audio_sample_freq sample_freq;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		core_cfg.i2s_cfg.word_max_length =
+			HDMI_AUDIO_I2S_MAX_WORD_20BITS;
+		core_cfg.i2s_cfg.word_length = HDMI_AUDIO_I2S_CHST_WORD_16_BITS;
+		core_cfg.i2s_cfg.in_length_bits =
+			HDMI_AUDIO_I2S_INPUT_LENGTH_16;
+		core_cfg.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_LEFT;
+		audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_TWOSAMPLES;
+		audio_format.sample_size = HDMI_AUDIO_SAMPLE_16BITS;
+		audio_format.justification = HDMI_AUDIO_JUSTIFY_LEFT;
+		audio_dma.transfer_size = 0x10;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+		core_cfg.i2s_cfg.word_max_length =
+			HDMI_AUDIO_I2S_MAX_WORD_24BITS;
+		core_cfg.i2s_cfg.word_length = HDMI_AUDIO_I2S_CHST_WORD_24_BITS;
+		core_cfg.i2s_cfg.in_length_bits =
+			HDMI_AUDIO_I2S_INPUT_LENGTH_24;
+		audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_ONESAMPLE;
+		audio_format.sample_size = HDMI_AUDIO_SAMPLE_24BITS;
+		audio_format.justification = HDMI_AUDIO_JUSTIFY_RIGHT;
+		core_cfg.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_RIGHT;
+		audio_dma.transfer_size = 0x20;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (params_rate(params)) {
+	case 32000:
+		sample_freq = HDMI_AUDIO_FS_32000;
+		break;
+	case 44100:
+		sample_freq = HDMI_AUDIO_FS_44100;
+		break;
+	case 48000:
+		sample_freq = HDMI_AUDIO_FS_48000;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	err = hdmi_config_audio_acr(ip_data, params_rate(params), &n, &cts);
+	if (err < 0)
+		return err;
+
+	/* Audio wrapper config */
+	audio_format.stereo_channels = HDMI_AUDIO_STEREO_ONECHANNEL;
+	audio_format.active_chnnls_msk = 0x03;
+	audio_format.type = HDMI_AUDIO_TYPE_LPCM;
+	audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
+	/* Disable start/stop signals of IEC 60958 blocks */
+	audio_format.en_sig_blk_strt_end = HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF;
+
+	audio_dma.block_size = 0xC0;
+	audio_dma.mode = HDMI_AUDIO_TRANSF_DMA;
+	audio_dma.fifo_threshold = 0x20; /* in number of samples */
+
+	hdmi_wp_audio_config_dma(ip_data, &audio_dma);
+	hdmi_wp_audio_config_format(ip_data, &audio_format);
+
+	/*
+	 * I2S config
+	 */
+	core_cfg.i2s_cfg.en_high_bitrate_aud = false;
+	/* Only used with high bitrate audio */
+	core_cfg.i2s_cfg.cbit_order = false;
+	/* Serial data and word select should change on sck rising edge */
+	core_cfg.i2s_cfg.sck_edge_mode = HDMI_AUDIO_I2S_SCK_EDGE_RISING;
+	core_cfg.i2s_cfg.vbit = HDMI_AUDIO_I2S_VBIT_FOR_PCM;
+	/* Set I2S word select polarity */
+	core_cfg.i2s_cfg.ws_polarity = HDMI_AUDIO_I2S_WS_POLARITY_LOW_IS_LEFT;
+	core_cfg.i2s_cfg.direction = HDMI_AUDIO_I2S_MSB_SHIFTED_FIRST;
+	/* Set serial data to word select shift. See Phillips spec. */
+	core_cfg.i2s_cfg.shift = HDMI_AUDIO_I2S_FIRST_BIT_SHIFT;
+	/* Enable one of the four available serial data channels */
+	core_cfg.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN;
+
+	/* Core audio config */
+	core_cfg.freq_sample = sample_freq;
+	core_cfg.n = n;
+	core_cfg.cts = cts;
+	if (dss_has_feature(FEAT_HDMI_CTS_SWMODE)) {
+		core_cfg.aud_par_busclk = 0;
+		core_cfg.cts_mode = HDMI_AUDIO_CTS_MODE_SW;
+		core_cfg.use_mclk = dss_has_feature(FEAT_HDMI_AUDIO_USE_MCLK);
+	} else {
+		core_cfg.aud_par_busclk = (((128 * 31) - 1) << 8);
+		core_cfg.cts_mode = HDMI_AUDIO_CTS_MODE_HW;
+		core_cfg.use_mclk = true;
+	}
+
+	if (core_cfg.use_mclk)
+		core_cfg.mclk_mode = HDMI_AUDIO_MCLK_128FS;
+	core_cfg.layout = HDMI_AUDIO_LAYOUT_2CH;
+	core_cfg.en_spdif = false;
+	/* Use sample frequency from channel status word */
+	core_cfg.fs_override = true;
+	/* Enable ACR packets */
+	core_cfg.en_acr_pkt = true;
+	/* Disable direct streaming digital audio */
+	core_cfg.en_dsd_audio = false;
+	/* Use parallel audio interface */
+	core_cfg.en_parallel_aud_input = true;
+
+	hdmi_core_audio_config(ip_data, &core_cfg);
+
+	/*
+	 * Configure packet
+	 * info frame audio see doc CEA861-D page 74
+	 */
+	aud_if_cfg.db1_coding_type = HDMI_INFOFRAME_AUDIO_DB1CT_FROM_STREAM;
+	aud_if_cfg.db1_channel_count = 2;
+	aud_if_cfg.db2_sample_freq = HDMI_INFOFRAME_AUDIO_DB2SF_FROM_STREAM;
+	aud_if_cfg.db2_sample_size = HDMI_INFOFRAME_AUDIO_DB2SS_FROM_STREAM;
+	aud_if_cfg.db4_channel_alloc = 0x00;
+	aud_if_cfg.db5_downmix_inh = false;
+	aud_if_cfg.db5_lsv = 0;
+
+	hdmi_core_audio_infoframe_config(ip_data, &aud_if_cfg);
+	return 0;
+}
+
+static int hdmi_audio_startup(struct snd_pcm_substream *substream,
+				  struct snd_soc_dai *dai)
+{
+	if (!hdmi.ip_data.cfg.cm.mode) {
+		pr_err("Current video settings do not support audio.\n");
+		return -EIO;
+	}
+	return 0;
+}
+
+static int hdmi_audio_codec_probe(struct snd_soc_codec *codec)
+{
+	struct hdmi_ip_data *priv = &hdmi.ip_data;
+
+	snd_soc_codec_set_drvdata(codec, priv);
+	return 0;
+}
+
+static struct snd_soc_codec_driver hdmi_audio_codec_drv = {
+	.probe = hdmi_audio_codec_probe,
+};
+
+static struct snd_soc_dai_ops hdmi_audio_codec_ops = {
+	.hw_params = hdmi_audio_hw_params,
+	.trigger = hdmi_audio_trigger,
+	.startup = hdmi_audio_startup,
+};
+
+static struct snd_soc_dai_driver hdmi_codec_dai_drv = {
+		.name = "hdmi-audio-codec",
+		.playback = {
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_32000 |
+				SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+				SNDRV_PCM_FMTBIT_S24_LE,
+		},
+		.ops = &hdmi_audio_codec_ops,
+};
+#endif
+
+static int hdmi_get_clocks(struct platform_device *pdev)
+{
+	struct clk *clk;
+
+	clk = clk_get(&pdev->dev, "sys_clk");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get sys_clk\n");
+		return PTR_ERR(clk);
+	}
+
+	hdmi.sys_clk = clk;
+
+	return 0;
+}
+
+static void hdmi_put_clocks(void)
+{
+	if (hdmi.sys_clk)
+		clk_put(hdmi.sys_clk);
+}
+
+/* HDMI HW IP initialisation */
+static int omapdss_hdmihw_probe(struct platform_device *pdev)
+{
+	struct resource *hdmi_mem;
+	int r;
+
+	hdmi.pdata = pdev->dev.platform_data;
+	hdmi.pdev = pdev;
+
+	mutex_init(&hdmi.lock);
+
+	hdmi_mem = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
+	if (!hdmi_mem) {
+		DSSERR("can't get IORESOURCE_MEM HDMI\n");
+		return -EINVAL;
+	}
+
+	/* Base address taken from platform */
+	hdmi.ip_data.base_wp = ioremap(hdmi_mem->start,
+						resource_size(hdmi_mem));
+	if (!hdmi.ip_data.base_wp) {
+		DSSERR("can't ioremap WP\n");
+		return -ENOMEM;
+	}
+
+	r = hdmi_get_clocks(pdev);
+	if (r) {
+		iounmap(hdmi.ip_data.base_wp);
+		return r;
+	}
+
+	pm_runtime_enable(&pdev->dev);
+
+	hdmi.ip_data.core_sys_offset = HDMI_CORE_SYS;
+	hdmi.ip_data.core_av_offset = HDMI_CORE_AV;
+	hdmi.ip_data.pll_offset = HDMI_PLLCTRL;
+	hdmi.ip_data.phy_offset = HDMI_PHY;
+
+	hdmi_panel_init();
+
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+
+	/* Register ASoC codec DAI */
+	r = snd_soc_register_codec(&pdev->dev, &hdmi_audio_codec_drv,
+					&hdmi_codec_dai_drv, 1);
+	if (r) {
+		DSSERR("can't register ASoC HDMI audio codec\n");
+		return r;
+	}
+#endif
+	return 0;
+}
+
+static int omapdss_hdmihw_remove(struct platform_device *pdev)
+{
+	hdmi_panel_exit();
+
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+	snd_soc_unregister_codec(&pdev->dev);
+#endif
+
+	pm_runtime_disable(&pdev->dev);
+
+	hdmi_put_clocks();
+
+	iounmap(hdmi.ip_data.base_wp);
+
+	return 0;
+}
+
+static int hdmi_runtime_suspend(struct device *dev)
+{
+	clk_disable(hdmi.sys_clk);
+
+	dispc_runtime_put();
+	dss_runtime_put();
+
+	return 0;
+}
+
+static int hdmi_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dss_runtime_get();
+	if (r < 0)
+		goto err_get_dss;
+
+	r = dispc_runtime_get();
+	if (r < 0)
+		goto err_get_dispc;
+
+
+	clk_enable(hdmi.sys_clk);
+
+	return 0;
+
+err_get_dispc:
+	dss_runtime_put();
+err_get_dss:
+	return r;
+}
+
+static const struct dev_pm_ops hdmi_pm_ops = {
+	.runtime_suspend = hdmi_runtime_suspend,
+	.runtime_resume = hdmi_runtime_resume,
+};
+
+static struct platform_driver omapdss_hdmihw_driver = {
+	.probe          = omapdss_hdmihw_probe,
+	.remove         = omapdss_hdmihw_remove,
+	.driver         = {
+		.name   = "omapdss_hdmi",
+		.owner  = THIS_MODULE,
+		.pm	= &hdmi_pm_ops,
+	},
+};
+
+int hdmi_init_platform_driver(void)
+{
+	return platform_driver_register(&omapdss_hdmihw_driver);
+}
+
+void hdmi_uninit_platform_driver(void)
+{
+	return platform_driver_unregister(&omapdss_hdmihw_driver);
+}
diff --git a/drivers/video/omap2/dss/hdmi_panel.c b/drivers/video/omap2/dss/hdmi_panel.c
new file mode 100644
index 00000000..533d5dc6
--- /dev/null
+++ b/drivers/video/omap2/dss/hdmi_panel.c
@@ -0,0 +1,256 @@
+/*
+ * hdmi_panel.c
+ *
+ * HDMI library support functions for TI OMAP4 processors.
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ * Authors:	Mythri P k <mythripk@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <video/omapdss.h>
+#include <linux/slab.h>
+
+#include "dss.h"
+
+static struct {
+	struct mutex hdmi_lock;
+} hdmi;
+
+
+static int hdmi_panel_probe(struct omap_dss_device *dssdev)
+{
+	DSSDBG("ENTER hdmi_panel_probe\n");
+
+	dssdev->panel.config = OMAP_DSS_LCD_TFT |
+			OMAP_DSS_LCD_IVS | OMAP_DSS_LCD_IHS;
+
+	dssdev->panel.timings = (struct omap_video_timings){640, 480, 25175, 96, 16, 48, 2 , 11, 31};
+
+	DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n",
+		dssdev->panel.timings.x_res,
+		dssdev->panel.timings.y_res);
+	return 0;
+}
+
+static void hdmi_panel_remove(struct omap_dss_device *dssdev)
+{
+
+}
+
+static int hdmi_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+	DSSDBG("ENTER hdmi_panel_enable\n");
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = omapdss_hdmi_display_enable(dssdev);
+	if (r) {
+		DSSERR("failed to power on\n");
+		goto err;
+	}
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+err:
+	mutex_unlock(&hdmi.hdmi_lock);
+
+	return r;
+}
+
+static void hdmi_panel_disable(struct omap_dss_device *dssdev)
+{
+	mutex_lock(&hdmi.hdmi_lock);
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		omapdss_hdmi_display_disable(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&hdmi.hdmi_lock);
+}
+
+static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+	omapdss_hdmi_display_disable(dssdev);
+
+err:
+	mutex_unlock(&hdmi.hdmi_lock);
+
+	return r;
+}
+
+static int hdmi_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = omapdss_hdmi_display_enable(dssdev);
+	if (r) {
+		DSSERR("failed to power on\n");
+		goto err;
+	}
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+err:
+	mutex_unlock(&hdmi.hdmi_lock);
+
+	return r;
+}
+
+static void hdmi_get_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	mutex_lock(&hdmi.hdmi_lock);
+
+	*timings = dssdev->panel.timings;
+
+	mutex_unlock(&hdmi.hdmi_lock);
+}
+
+static void hdmi_set_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	DSSDBG("hdmi_set_timings\n");
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	dssdev->panel.timings = *timings;
+	omapdss_hdmi_display_set_timing(dssdev);
+
+	mutex_unlock(&hdmi.hdmi_lock);
+}
+
+static int hdmi_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	int r = 0;
+
+	DSSDBG("hdmi_check_timings\n");
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	r = omapdss_hdmi_display_check_timing(dssdev, timings);
+
+	mutex_unlock(&hdmi.hdmi_lock);
+	return r;
+}
+
+static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
+{
+	int r;
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		r = omapdss_hdmi_display_enable(dssdev);
+		if (r)
+			goto err;
+	}
+
+	r = omapdss_hdmi_read_edid(buf, len);
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
+			dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
+		omapdss_hdmi_display_disable(dssdev);
+err:
+	mutex_unlock(&hdmi.hdmi_lock);
+
+	return r;
+}
+
+static bool hdmi_detect(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	mutex_lock(&hdmi.hdmi_lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
+		r = omapdss_hdmi_display_enable(dssdev);
+		if (r)
+			goto err;
+	}
+
+	r = omapdss_hdmi_detect();
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
+			dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
+		omapdss_hdmi_display_disable(dssdev);
+err:
+	mutex_unlock(&hdmi.hdmi_lock);
+
+	return r;
+}
+
+static struct omap_dss_driver hdmi_driver = {
+	.probe		= hdmi_panel_probe,
+	.remove		= hdmi_panel_remove,
+	.enable		= hdmi_panel_enable,
+	.disable	= hdmi_panel_disable,
+	.suspend	= hdmi_panel_suspend,
+	.resume		= hdmi_panel_resume,
+	.get_timings	= hdmi_get_timings,
+	.set_timings	= hdmi_set_timings,
+	.check_timings	= hdmi_check_timings,
+	.read_edid	= hdmi_read_edid,
+	.detect		= hdmi_detect,
+	.driver			= {
+		.name   = "hdmi_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+int hdmi_panel_init(void)
+{
+	mutex_init(&hdmi.hdmi_lock);
+
+	omap_dss_register_driver(&hdmi_driver);
+
+	return 0;
+}
+
+void hdmi_panel_exit(void)
+{
+	omap_dss_unregister_driver(&hdmi_driver);
+
+}
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
new file mode 100644
index 00000000..e7364603
--- /dev/null
+++ b/drivers/video/omap2/dss/manager.c
@@ -0,0 +1,686 @@
+/*
+ * linux/drivers/video/omap2/dss/manager.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "MANAGER"
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static int num_managers;
+static struct omap_overlay_manager *managers;
+
+static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name);
+}
+
+static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			mgr->device ? mgr->device->name : "<none>");
+}
+
+static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	int r = 0;
+	size_t len = size;
+	struct omap_dss_device *dssdev = NULL;
+
+	int match(struct omap_dss_device *dssdev, void *data)
+	{
+		const char *str = data;
+		return sysfs_streq(dssdev->name, str);
+	}
+
+	if (buf[size-1] == '\n')
+		--len;
+
+	if (len > 0)
+		dssdev = omap_dss_find_device((void *)buf, match);
+
+	if (len > 0 && dssdev == NULL)
+		return -EINVAL;
+
+	if (dssdev)
+		DSSDBG("display %s found\n", dssdev->name);
+
+	if (mgr->device) {
+		r = mgr->unset_device(mgr);
+		if (r) {
+			DSSERR("failed to unset display\n");
+			goto put_device;
+		}
+	}
+
+	if (dssdev) {
+		r = mgr->set_device(mgr, dssdev);
+		if (r) {
+			DSSERR("failed to set manager\n");
+			goto put_device;
+		}
+
+		r = mgr->apply(mgr);
+		if (r) {
+			DSSERR("failed to apply dispc config\n");
+			goto put_device;
+		}
+	}
+
+put_device:
+	if (dssdev)
+		omap_dss_put_device(dssdev);
+
+	return r ? r : size;
+}
+
+static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
+					  char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
+}
+
+static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
+					   const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	u32 color;
+	int r;
+
+	r = kstrtouint(buf, 0, &color);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.default_color = color;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static const char *trans_key_type_str[] = {
+	"gfx-destination",
+	"video-source",
+};
+
+static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
+					   char *buf)
+{
+	enum omap_dss_trans_key_type key_type;
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	key_type = info.trans_key_type;
+	BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
+}
+
+static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
+					    const char *buf, size_t size)
+{
+	enum omap_dss_trans_key_type key_type;
+	struct omap_overlay_manager_info info;
+	int r;
+
+	for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
+			key_type < ARRAY_SIZE(trans_key_type_str); key_type++) {
+		if (sysfs_streq(buf, trans_key_type_str[key_type]))
+			break;
+	}
+
+	if (key_type == ARRAY_SIZE(trans_key_type_str))
+		return -EINVAL;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_key_type = key_type;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
+					    char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
+}
+
+static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
+					     const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	u32 key_value;
+	int r;
+
+	r = kstrtouint(buf, 0, &key_value);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_key = key_value;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
+					      char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
+}
+
+static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
+					       const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	bool enable;
+	int r;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_enabled = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_alpha_blending_enabled_show(
+		struct omap_overlay_manager *mgr, char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+		info.partial_alpha_enabled);
+}
+
+static ssize_t manager_alpha_blending_enabled_store(
+		struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	bool enable;
+	int r;
+
+	WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.partial_alpha_enabled = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
+		char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
+}
+
+static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	int r;
+	bool enable;
+
+	if (!dss_has_feature(FEAT_CPR))
+		return -ENODEV;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	if (info.cpr_enable == enable)
+		return size;
+
+	info.cpr_enable = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
+		char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE,
+			"%d %d %d %d %d %d %d %d %d\n",
+			info.cpr_coefs.rr,
+			info.cpr_coefs.rg,
+			info.cpr_coefs.rb,
+			info.cpr_coefs.gr,
+			info.cpr_coefs.gg,
+			info.cpr_coefs.gb,
+			info.cpr_coefs.br,
+			info.cpr_coefs.bg,
+			info.cpr_coefs.bb);
+}
+
+static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	struct omap_dss_cpr_coefs coefs;
+	int r, i;
+	s16 *arr;
+
+	if (!dss_has_feature(FEAT_CPR))
+		return -ENODEV;
+
+	if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
+				&coefs.rr, &coefs.rg, &coefs.rb,
+				&coefs.gr, &coefs.gg, &coefs.gb,
+				&coefs.br, &coefs.bg, &coefs.bb) != 9)
+		return -EINVAL;
+
+	arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
+		coefs.gr, coefs.gg, coefs.gb,
+		coefs.br, coefs.bg, coefs.bb };
+
+	for (i = 0; i < 9; ++i) {
+		if (arr[i] < -512 || arr[i] > 511)
+			return -EINVAL;
+	}
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.cpr_coefs = coefs;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+struct manager_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_overlay_manager *, char *);
+	ssize_t	(*store)(struct omap_overlay_manager *, const char *, size_t);
+};
+
+#define MANAGER_ATTR(_name, _mode, _show, _store) \
+	struct manager_attribute manager_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
+static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
+		manager_display_show, manager_display_store);
+static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
+		manager_default_color_show, manager_default_color_store);
+static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
+		manager_trans_key_type_show, manager_trans_key_type_store);
+static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
+		manager_trans_key_value_show, manager_trans_key_value_store);
+static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
+		manager_trans_key_enabled_show,
+		manager_trans_key_enabled_store);
+static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
+		manager_alpha_blending_enabled_show,
+		manager_alpha_blending_enabled_store);
+static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
+		manager_cpr_enable_show,
+		manager_cpr_enable_store);
+static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
+		manager_cpr_coef_show,
+		manager_cpr_coef_store);
+
+
+static struct attribute *manager_sysfs_attrs[] = {
+	&manager_attr_name.attr,
+	&manager_attr_display.attr,
+	&manager_attr_default_color.attr,
+	&manager_attr_trans_key_type.attr,
+	&manager_attr_trans_key_value.attr,
+	&manager_attr_trans_key_enabled.attr,
+	&manager_attr_alpha_blending_enabled.attr,
+	&manager_attr_cpr_enable.attr,
+	&manager_attr_cpr_coef.attr,
+	NULL
+};
+
+static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_overlay_manager *manager;
+	struct manager_attribute *manager_attr;
+
+	manager = container_of(kobj, struct omap_overlay_manager, kobj);
+	manager_attr = container_of(attr, struct manager_attribute, attr);
+
+	if (!manager_attr->show)
+		return -ENOENT;
+
+	return manager_attr->show(manager, buf);
+}
+
+static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager *manager;
+	struct manager_attribute *manager_attr;
+
+	manager = container_of(kobj, struct omap_overlay_manager, kobj);
+	manager_attr = container_of(attr, struct manager_attribute, attr);
+
+	if (!manager_attr->store)
+		return -ENOENT;
+
+	return manager_attr->store(manager, buf, size);
+}
+
+static const struct sysfs_ops manager_sysfs_ops = {
+	.show = manager_attr_show,
+	.store = manager_attr_store,
+};
+
+static struct kobj_type manager_ktype = {
+	.sysfs_ops = &manager_sysfs_ops,
+	.default_attrs = manager_sysfs_attrs,
+};
+
+static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	u32 irq;
+	int r;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	if (mgr->device->type == OMAP_DISPLAY_TYPE_VENC) {
+		irq = DISPC_IRQ_EVSYNC_ODD;
+	} else if (mgr->device->type == OMAP_DISPLAY_TYPE_HDMI) {
+		irq = DISPC_IRQ_EVSYNC_EVEN;
+	} else {
+		if (mgr->id == OMAP_DSS_CHANNEL_LCD)
+			irq = DISPC_IRQ_VSYNC;
+		else
+			irq = DISPC_IRQ_VSYNC2;
+	}
+
+	r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+
+	dispc_runtime_put();
+
+	return r;
+}
+
+int dss_init_overlay_managers(struct platform_device *pdev)
+{
+	int i, r;
+
+	num_managers = dss_feat_get_num_mgrs();
+
+	managers = kzalloc(sizeof(struct omap_overlay_manager) * num_managers,
+			GFP_KERNEL);
+
+	BUG_ON(managers == NULL);
+
+	for (i = 0; i < num_managers; ++i) {
+		struct omap_overlay_manager *mgr = &managers[i];
+
+		switch (i) {
+		case 0:
+			mgr->name = "lcd";
+			mgr->id = OMAP_DSS_CHANNEL_LCD;
+			break;
+		case 1:
+			mgr->name = "tv";
+			mgr->id = OMAP_DSS_CHANNEL_DIGIT;
+			break;
+		case 2:
+			mgr->name = "lcd2";
+			mgr->id = OMAP_DSS_CHANNEL_LCD2;
+			break;
+		}
+
+		mgr->set_device = &dss_mgr_set_device;
+		mgr->unset_device = &dss_mgr_unset_device;
+		mgr->apply = &omap_dss_mgr_apply;
+		mgr->set_manager_info = &dss_mgr_set_info;
+		mgr->get_manager_info = &dss_mgr_get_info;
+		mgr->wait_for_go = &dss_mgr_wait_for_go;
+		mgr->wait_for_vsync = &dss_mgr_wait_for_vsync;
+
+		mgr->caps = 0;
+		mgr->supported_displays =
+			dss_feat_get_supported_displays(mgr->id);
+
+		INIT_LIST_HEAD(&mgr->overlays);
+
+		r = kobject_init_and_add(&mgr->kobj, &manager_ktype,
+				&pdev->dev.kobj, "manager%d", i);
+
+		if (r)
+			DSSERR("failed to create sysfs file\n");
+	}
+
+	return 0;
+}
+
+void dss_uninit_overlay_managers(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < num_managers; ++i) {
+		struct omap_overlay_manager *mgr = &managers[i];
+
+		kobject_del(&mgr->kobj);
+		kobject_put(&mgr->kobj);
+	}
+
+	kfree(managers);
+	managers = NULL;
+	num_managers = 0;
+}
+
+int omap_dss_get_num_overlay_managers(void)
+{
+	return num_managers;
+}
+EXPORT_SYMBOL(omap_dss_get_num_overlay_managers);
+
+struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
+{
+	if (num >= num_managers)
+		return NULL;
+
+	return &managers[num];
+}
+EXPORT_SYMBOL(omap_dss_get_overlay_manager);
+
+int dss_mgr_simple_check(struct omap_overlay_manager *mgr,
+		const struct omap_overlay_manager_info *info)
+{
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) {
+		/*
+		 * OMAP3 supports only graphics source transparency color key
+		 * and alpha blending simultaneously. See TRM 15.4.2.4.2.2
+		 * Alpha Mode.
+		 */
+		if (info->partial_alpha_enabled && info->trans_enabled
+			&& info->trans_key_type != OMAP_DSS_COLOR_KEY_GFX_DST) {
+			DSSERR("check_manager: illegal transparency key\n");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int dss_mgr_check_zorder(struct omap_overlay_manager *mgr,
+		struct omap_overlay_info **overlay_infos)
+{
+	struct omap_overlay *ovl1, *ovl2;
+	struct omap_overlay_info *info1, *info2;
+
+	list_for_each_entry(ovl1, &mgr->overlays, list) {
+		info1 = overlay_infos[ovl1->id];
+
+		if (info1 == NULL)
+			continue;
+
+		list_for_each_entry(ovl2, &mgr->overlays, list) {
+			if (ovl1 == ovl2)
+				continue;
+
+			info2 = overlay_infos[ovl2->id];
+
+			if (info2 == NULL)
+				continue;
+
+			if (info1->zorder == info2->zorder) {
+				DSSERR("overlays %d and %d have the same "
+						"zorder %d\n",
+					ovl1->id, ovl2->id, info1->zorder);
+				return -EINVAL;
+			}
+		}
+	}
+
+	return 0;
+}
+
+int dss_mgr_check(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev,
+		struct omap_overlay_manager_info *info,
+		struct omap_overlay_info **overlay_infos)
+{
+	struct omap_overlay *ovl;
+	int r;
+
+	if (dss_has_feature(FEAT_ALPHA_FREE_ZORDER)) {
+		r = dss_mgr_check_zorder(mgr, overlay_infos);
+		if (r)
+			return r;
+	}
+
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		struct omap_overlay_info *oi;
+		int r;
+
+		oi = overlay_infos[ovl->id];
+
+		if (oi == NULL)
+			continue;
+
+		r = dss_ovl_check(ovl, oi, dssdev);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
new file mode 100644
index 00000000..6e821810
--- /dev/null
+++ b/drivers/video/omap2/dss/overlay.c
@@ -0,0 +1,675 @@
+/*
+ * linux/drivers/video/omap2/dss/overlay.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "OVERLAY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include <video/omapdss.h>
+#include <plat/cpu.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static int num_overlays;
+static struct omap_overlay *overlays;
+
+static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name);
+}
+
+static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			ovl->manager ? ovl->manager->name : "<none>");
+}
+
+static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf,
+		size_t size)
+{
+	int i, r;
+	struct omap_overlay_manager *mgr = NULL;
+	struct omap_overlay_manager *old_mgr;
+	int len = size;
+
+	if (buf[size-1] == '\n')
+		--len;
+
+	if (len > 0) {
+		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+			mgr = omap_dss_get_overlay_manager(i);
+
+			if (sysfs_streq(buf, mgr->name))
+				break;
+
+			mgr = NULL;
+		}
+	}
+
+	if (len > 0 && mgr == NULL)
+		return -EINVAL;
+
+	if (mgr)
+		DSSDBG("manager %s found\n", mgr->name);
+
+	if (mgr == ovl->manager)
+		return size;
+
+	old_mgr = ovl->manager;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	/* detach old manager */
+	if (old_mgr) {
+		r = ovl->unset_manager(ovl);
+		if (r) {
+			DSSERR("detach failed\n");
+			goto err;
+		}
+
+		r = old_mgr->apply(old_mgr);
+		if (r)
+			goto err;
+	}
+
+	if (mgr) {
+		r = ovl->set_manager(ovl, mgr);
+		if (r) {
+			DSSERR("Failed to attach overlay\n");
+			goto err;
+		}
+
+		r = mgr->apply(mgr);
+		if (r)
+			goto err;
+	}
+
+	dispc_runtime_put();
+
+	return size;
+
+err:
+	dispc_runtime_put();
+	return r;
+}
+
+static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+			info.width, info.height);
+}
+
+static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width);
+}
+
+static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+			info.pos_x, info.pos_y);
+}
+
+static ssize_t overlay_position_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	char *last;
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pos_x = simple_strtoul(buf, &last, 10);
+	++last;
+	if (last - buf >= size)
+		return -EINVAL;
+
+	info.pos_y = simple_strtoul(last, &last, 10);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+			info.out_width, info.out_height);
+}
+
+static ssize_t overlay_output_size_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	char *last;
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.out_width = simple_strtoul(buf, &last, 10);
+	++last;
+	if (last - buf >= size)
+		return -EINVAL;
+
+	info.out_height = simple_strtoul(last, &last, 10);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl));
+}
+
+static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf,
+		size_t size)
+{
+	int r;
+	bool enable;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	if (enable)
+		r = ovl->enable(ovl);
+	else
+		r = ovl->disable(ovl);
+
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			info.global_alpha);
+}
+
+static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 alpha;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &alpha);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.global_alpha = alpha;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl,
+		char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			info.pre_mult_alpha);
+}
+
+static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 alpha;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &alpha);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pre_mult_alpha = alpha;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder);
+}
+
+static ssize_t overlay_zorder_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 zorder;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &zorder);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.zorder = zorder;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+struct overlay_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_overlay *, char *);
+	ssize_t	(*store)(struct omap_overlay *, const char *, size_t);
+};
+
+#define OVERLAY_ATTR(_name, _mode, _show, _store) \
+	struct overlay_attribute overlay_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL);
+static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR,
+		overlay_manager_show, overlay_manager_store);
+static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL);
+static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL);
+static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR,
+		overlay_position_show, overlay_position_store);
+static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR,
+		overlay_output_size_show, overlay_output_size_store);
+static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR,
+		overlay_enabled_show, overlay_enabled_store);
+static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR,
+		overlay_global_alpha_show, overlay_global_alpha_store);
+static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR,
+		overlay_pre_mult_alpha_show,
+		overlay_pre_mult_alpha_store);
+static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR,
+		overlay_zorder_show, overlay_zorder_store);
+
+static struct attribute *overlay_sysfs_attrs[] = {
+	&overlay_attr_name.attr,
+	&overlay_attr_manager.attr,
+	&overlay_attr_input_size.attr,
+	&overlay_attr_screen_width.attr,
+	&overlay_attr_position.attr,
+	&overlay_attr_output_size.attr,
+	&overlay_attr_enabled.attr,
+	&overlay_attr_global_alpha.attr,
+	&overlay_attr_pre_mult_alpha.attr,
+	&overlay_attr_zorder.attr,
+	NULL
+};
+
+static ssize_t overlay_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_overlay *overlay;
+	struct overlay_attribute *overlay_attr;
+
+	overlay = container_of(kobj, struct omap_overlay, kobj);
+	overlay_attr = container_of(attr, struct overlay_attribute, attr);
+
+	if (!overlay_attr->show)
+		return -ENOENT;
+
+	return overlay_attr->show(overlay, buf);
+}
+
+static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay *overlay;
+	struct overlay_attribute *overlay_attr;
+
+	overlay = container_of(kobj, struct omap_overlay, kobj);
+	overlay_attr = container_of(attr, struct overlay_attribute, attr);
+
+	if (!overlay_attr->store)
+		return -ENOENT;
+
+	return overlay_attr->store(overlay, buf, size);
+}
+
+static const struct sysfs_ops overlay_sysfs_ops = {
+	.show = overlay_attr_show,
+	.store = overlay_attr_store,
+};
+
+static struct kobj_type overlay_ktype = {
+	.sysfs_ops = &overlay_sysfs_ops,
+	.default_attrs = overlay_sysfs_attrs,
+};
+
+int omap_dss_get_num_overlays(void)
+{
+	return num_overlays;
+}
+EXPORT_SYMBOL(omap_dss_get_num_overlays);
+
+struct omap_overlay *omap_dss_get_overlay(int num)
+{
+	if (num >= num_overlays)
+		return NULL;
+
+	return &overlays[num];
+}
+EXPORT_SYMBOL(omap_dss_get_overlay);
+
+void dss_init_overlays(struct platform_device *pdev)
+{
+	int i, r;
+
+	num_overlays = dss_feat_get_num_ovls();
+
+	overlays = kzalloc(sizeof(struct omap_overlay) * num_overlays,
+			GFP_KERNEL);
+
+	BUG_ON(overlays == NULL);
+
+	for (i = 0; i < num_overlays; ++i) {
+		struct omap_overlay *ovl = &overlays[i];
+
+		switch (i) {
+		case 0:
+			ovl->name = "gfx";
+			ovl->id = OMAP_DSS_GFX;
+			break;
+		case 1:
+			ovl->name = "vid1";
+			ovl->id = OMAP_DSS_VIDEO1;
+			break;
+		case 2:
+			ovl->name = "vid2";
+			ovl->id = OMAP_DSS_VIDEO2;
+			break;
+		case 3:
+			ovl->name = "vid3";
+			ovl->id = OMAP_DSS_VIDEO3;
+			break;
+		}
+
+		ovl->is_enabled = &dss_ovl_is_enabled;
+		ovl->enable = &dss_ovl_enable;
+		ovl->disable = &dss_ovl_disable;
+		ovl->set_manager = &dss_ovl_set_manager;
+		ovl->unset_manager = &dss_ovl_unset_manager;
+		ovl->set_overlay_info = &dss_ovl_set_info;
+		ovl->get_overlay_info = &dss_ovl_get_info;
+		ovl->wait_for_go = &dss_mgr_wait_for_go_ovl;
+
+		ovl->caps = dss_feat_get_overlay_caps(ovl->id);
+		ovl->supported_modes =
+			dss_feat_get_supported_color_modes(ovl->id);
+
+		r = kobject_init_and_add(&ovl->kobj, &overlay_ktype,
+				&pdev->dev.kobj, "overlay%d", i);
+
+		if (r)
+			DSSERR("failed to create sysfs file\n");
+	}
+}
+
+/* connect overlays to the new device, if not already connected. if force
+ * selected, connect always. */
+void dss_recheck_connections(struct omap_dss_device *dssdev, bool force)
+{
+	int i;
+	struct omap_overlay_manager *lcd_mgr;
+	struct omap_overlay_manager *tv_mgr;
+	struct omap_overlay_manager *lcd2_mgr = NULL;
+	struct omap_overlay_manager *mgr = NULL;
+
+	lcd_mgr = omap_dss_get_overlay_manager(OMAP_DSS_OVL_MGR_LCD);
+	tv_mgr = omap_dss_get_overlay_manager(OMAP_DSS_OVL_MGR_TV);
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		lcd2_mgr = omap_dss_get_overlay_manager(OMAP_DSS_OVL_MGR_LCD2);
+
+	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2) {
+		if (!lcd2_mgr->device || force) {
+			if (lcd2_mgr->device)
+				lcd2_mgr->unset_device(lcd2_mgr);
+			lcd2_mgr->set_device(lcd2_mgr, dssdev);
+			mgr = lcd2_mgr;
+		}
+	} else if (dssdev->type != OMAP_DISPLAY_TYPE_VENC
+			&& dssdev->type != OMAP_DISPLAY_TYPE_HDMI) {
+		if (!lcd_mgr->device || force) {
+			if (lcd_mgr->device)
+				lcd_mgr->unset_device(lcd_mgr);
+			lcd_mgr->set_device(lcd_mgr, dssdev);
+			mgr = lcd_mgr;
+		}
+	}
+
+	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC
+			|| dssdev->type == OMAP_DISPLAY_TYPE_HDMI) {
+		if (!tv_mgr->device || force) {
+			if (tv_mgr->device)
+				tv_mgr->unset_device(tv_mgr);
+			tv_mgr->set_device(tv_mgr, dssdev);
+			mgr = tv_mgr;
+		}
+	}
+
+	if (mgr) {
+		dispc_runtime_get();
+
+		for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+			struct omap_overlay *ovl;
+			ovl = omap_dss_get_overlay(i);
+			if (!ovl->manager || force) {
+				if (ovl->manager)
+					ovl->unset_manager(ovl);
+				ovl->set_manager(ovl, mgr);
+			}
+		}
+
+		dispc_runtime_put();
+	}
+}
+
+void dss_uninit_overlays(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < num_overlays; ++i) {
+		struct omap_overlay *ovl = &overlays[i];
+
+		kobject_del(&ovl->kobj);
+		kobject_put(&ovl->kobj);
+	}
+
+	kfree(overlays);
+	overlays = NULL;
+	num_overlays = 0;
+}
+
+int dss_ovl_simple_check(struct omap_overlay *ovl,
+		const struct omap_overlay_info *info)
+{
+	if (info->paddr == 0) {
+		DSSERR("check_overlay: paddr cannot be 0\n");
+		return -EINVAL;
+	}
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+		if (info->out_width != 0 && info->width != info->out_width) {
+			DSSERR("check_overlay: overlay %d doesn't support "
+					"scaling\n", ovl->id);
+			return -EINVAL;
+		}
+
+		if (info->out_height != 0 && info->height != info->out_height) {
+			DSSERR("check_overlay: overlay %d doesn't support "
+					"scaling\n", ovl->id);
+			return -EINVAL;
+		}
+	}
+
+	if ((ovl->supported_modes & info->color_mode) == 0) {
+		DSSERR("check_overlay: overlay %d doesn't support mode %d\n",
+				ovl->id, info->color_mode);
+		return -EINVAL;
+	}
+
+	if (info->zorder >= omap_dss_get_num_overlays()) {
+		DSSERR("check_overlay: zorder %d too high\n", info->zorder);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int dss_ovl_check(struct omap_overlay *ovl,
+		struct omap_overlay_info *info, struct omap_dss_device *dssdev)
+{
+	u16 outw, outh;
+	u16 dw, dh;
+
+	if (dssdev == NULL)
+		return 0;
+
+	dssdev->driver->get_resolution(dssdev, &dw, &dh);
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+		outw = info->width;
+		outh = info->height;
+	} else {
+		if (info->out_width == 0)
+			outw = info->width;
+		else
+			outw = info->out_width;
+
+		if (info->out_height == 0)
+			outh = info->height;
+		else
+			outh = info->out_height;
+	}
+
+	if (dw < info->pos_x + outw) {
+		DSSERR("overlay %d horizontally not inside the display area "
+				"(%d + %d >= %d)\n",
+				ovl->id, info->pos_x, outw, dw);
+		return -EINVAL;
+	}
+
+	if (dh < info->pos_y + outh) {
+		DSSERR("overlay %d vertically not inside the display area "
+				"(%d + %d >= %d)\n",
+				ovl->id, info->pos_y, outh, dh);
+		return -EINVAL;
+	}
+
+	return 0;
+}
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
new file mode 100644
index 00000000..788a0ef6
--- /dev/null
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -0,0 +1,1023 @@
+/*
+ * linux/drivers/video/omap2/dss/rfbi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "RFBI"
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/export.h>
+#include <linux/vmalloc.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/kfifo.h>
+#include <linux/ktime.h>
+#include <linux/hrtimer.h>
+#include <linux/seq_file.h>
+#include <linux/semaphore.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+
+#include <video/omapdss.h>
+#include "dss.h"
+
+struct rfbi_reg { u16 idx; };
+
+#define RFBI_REG(idx)		((const struct rfbi_reg) { idx })
+
+#define RFBI_REVISION		RFBI_REG(0x0000)
+#define RFBI_SYSCONFIG		RFBI_REG(0x0010)
+#define RFBI_SYSSTATUS		RFBI_REG(0x0014)
+#define RFBI_CONTROL		RFBI_REG(0x0040)
+#define RFBI_PIXEL_CNT		RFBI_REG(0x0044)
+#define RFBI_LINE_NUMBER	RFBI_REG(0x0048)
+#define RFBI_CMD		RFBI_REG(0x004c)
+#define RFBI_PARAM		RFBI_REG(0x0050)
+#define RFBI_DATA		RFBI_REG(0x0054)
+#define RFBI_READ		RFBI_REG(0x0058)
+#define RFBI_STATUS		RFBI_REG(0x005c)
+
+#define RFBI_CONFIG(n)		RFBI_REG(0x0060 + (n)*0x18)
+#define RFBI_ONOFF_TIME(n)	RFBI_REG(0x0064 + (n)*0x18)
+#define RFBI_CYCLE_TIME(n)	RFBI_REG(0x0068 + (n)*0x18)
+#define RFBI_DATA_CYCLE1(n)	RFBI_REG(0x006c + (n)*0x18)
+#define RFBI_DATA_CYCLE2(n)	RFBI_REG(0x0070 + (n)*0x18)
+#define RFBI_DATA_CYCLE3(n)	RFBI_REG(0x0074 + (n)*0x18)
+
+#define RFBI_VSYNC_WIDTH	RFBI_REG(0x0090)
+#define RFBI_HSYNC_WIDTH	RFBI_REG(0x0094)
+
+#define REG_FLD_MOD(idx, val, start, end) \
+	rfbi_write_reg(idx, FLD_MOD(rfbi_read_reg(idx), val, start, end))
+
+enum omap_rfbi_cycleformat {
+	OMAP_DSS_RFBI_CYCLEFORMAT_1_1 = 0,
+	OMAP_DSS_RFBI_CYCLEFORMAT_2_1 = 1,
+	OMAP_DSS_RFBI_CYCLEFORMAT_3_1 = 2,
+	OMAP_DSS_RFBI_CYCLEFORMAT_3_2 = 3,
+};
+
+enum omap_rfbi_datatype {
+	OMAP_DSS_RFBI_DATATYPE_12 = 0,
+	OMAP_DSS_RFBI_DATATYPE_16 = 1,
+	OMAP_DSS_RFBI_DATATYPE_18 = 2,
+	OMAP_DSS_RFBI_DATATYPE_24 = 3,
+};
+
+enum omap_rfbi_parallelmode {
+	OMAP_DSS_RFBI_PARALLELMODE_8 = 0,
+	OMAP_DSS_RFBI_PARALLELMODE_9 = 1,
+	OMAP_DSS_RFBI_PARALLELMODE_12 = 2,
+	OMAP_DSS_RFBI_PARALLELMODE_16 = 3,
+};
+
+static int rfbi_convert_timings(struct rfbi_timings *t);
+static void rfbi_get_clk_info(u32 *clk_period, u32 *max_clk_div);
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem	*base;
+
+	unsigned long	l4_khz;
+
+	enum omap_rfbi_datatype datatype;
+	enum omap_rfbi_parallelmode parallelmode;
+
+	enum omap_rfbi_te_mode te_mode;
+	int te_enabled;
+
+	void (*framedone_callback)(void *data);
+	void *framedone_callback_data;
+
+	struct omap_dss_device *dssdev[2];
+
+	struct semaphore bus_lock;
+} rfbi;
+
+static inline void rfbi_write_reg(const struct rfbi_reg idx, u32 val)
+{
+	__raw_writel(val, rfbi.base + idx.idx);
+}
+
+static inline u32 rfbi_read_reg(const struct rfbi_reg idx)
+{
+	return __raw_readl(rfbi.base + idx.idx);
+}
+
+static int rfbi_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("rfbi_runtime_get\n");
+
+	r = pm_runtime_get_sync(&rfbi.pdev->dev);
+	WARN_ON(r < 0);
+	return r < 0 ? r : 0;
+}
+
+static void rfbi_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("rfbi_runtime_put\n");
+
+	r = pm_runtime_put_sync(&rfbi.pdev->dev);
+	WARN_ON(r < 0);
+}
+
+void rfbi_bus_lock(void)
+{
+	down(&rfbi.bus_lock);
+}
+EXPORT_SYMBOL(rfbi_bus_lock);
+
+void rfbi_bus_unlock(void)
+{
+	up(&rfbi.bus_lock);
+}
+EXPORT_SYMBOL(rfbi_bus_unlock);
+
+void omap_rfbi_write_command(const void *buf, u32 len)
+{
+	switch (rfbi.parallelmode) {
+	case OMAP_DSS_RFBI_PARALLELMODE_8:
+	{
+		const u8 *b = buf;
+		for (; len; len--)
+			rfbi_write_reg(RFBI_CMD, *b++);
+		break;
+	}
+
+	case OMAP_DSS_RFBI_PARALLELMODE_16:
+	{
+		const u16 *w = buf;
+		BUG_ON(len & 1);
+		for (; len; len -= 2)
+			rfbi_write_reg(RFBI_CMD, *w++);
+		break;
+	}
+
+	case OMAP_DSS_RFBI_PARALLELMODE_9:
+	case OMAP_DSS_RFBI_PARALLELMODE_12:
+	default:
+		BUG();
+	}
+}
+EXPORT_SYMBOL(omap_rfbi_write_command);
+
+void omap_rfbi_read_data(void *buf, u32 len)
+{
+	switch (rfbi.parallelmode) {
+	case OMAP_DSS_RFBI_PARALLELMODE_8:
+	{
+		u8 *b = buf;
+		for (; len; len--) {
+			rfbi_write_reg(RFBI_READ, 0);
+			*b++ = rfbi_read_reg(RFBI_READ);
+		}
+		break;
+	}
+
+	case OMAP_DSS_RFBI_PARALLELMODE_16:
+	{
+		u16 *w = buf;
+		BUG_ON(len & ~1);
+		for (; len; len -= 2) {
+			rfbi_write_reg(RFBI_READ, 0);
+			*w++ = rfbi_read_reg(RFBI_READ);
+		}
+		break;
+	}
+
+	case OMAP_DSS_RFBI_PARALLELMODE_9:
+	case OMAP_DSS_RFBI_PARALLELMODE_12:
+	default:
+		BUG();
+	}
+}
+EXPORT_SYMBOL(omap_rfbi_read_data);
+
+void omap_rfbi_write_data(const void *buf, u32 len)
+{
+	switch (rfbi.parallelmode) {
+	case OMAP_DSS_RFBI_PARALLELMODE_8:
+	{
+		const u8 *b = buf;
+		for (; len; len--)
+			rfbi_write_reg(RFBI_PARAM, *b++);
+		break;
+	}
+
+	case OMAP_DSS_RFBI_PARALLELMODE_16:
+	{
+		const u16 *w = buf;
+		BUG_ON(len & 1);
+		for (; len; len -= 2)
+			rfbi_write_reg(RFBI_PARAM, *w++);
+		break;
+	}
+
+	case OMAP_DSS_RFBI_PARALLELMODE_9:
+	case OMAP_DSS_RFBI_PARALLELMODE_12:
+	default:
+		BUG();
+
+	}
+}
+EXPORT_SYMBOL(omap_rfbi_write_data);
+
+void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
+		u16 x, u16 y,
+		u16 w, u16 h)
+{
+	int start_offset = scr_width * y + x;
+	int horiz_offset = scr_width - w;
+	int i;
+
+	if (rfbi.datatype == OMAP_DSS_RFBI_DATATYPE_16 &&
+	   rfbi.parallelmode == OMAP_DSS_RFBI_PARALLELMODE_8) {
+		const u16 __iomem *pd = buf;
+		pd += start_offset;
+
+		for (; h; --h) {
+			for (i = 0; i < w; ++i) {
+				const u8 __iomem *b = (const u8 __iomem *)pd;
+				rfbi_write_reg(RFBI_PARAM, __raw_readb(b+1));
+				rfbi_write_reg(RFBI_PARAM, __raw_readb(b+0));
+				++pd;
+			}
+			pd += horiz_offset;
+		}
+	} else if (rfbi.datatype == OMAP_DSS_RFBI_DATATYPE_24 &&
+	   rfbi.parallelmode == OMAP_DSS_RFBI_PARALLELMODE_8) {
+		const u32 __iomem *pd = buf;
+		pd += start_offset;
+
+		for (; h; --h) {
+			for (i = 0; i < w; ++i) {
+				const u8 __iomem *b = (const u8 __iomem *)pd;
+				rfbi_write_reg(RFBI_PARAM, __raw_readb(b+2));
+				rfbi_write_reg(RFBI_PARAM, __raw_readb(b+1));
+				rfbi_write_reg(RFBI_PARAM, __raw_readb(b+0));
+				++pd;
+			}
+			pd += horiz_offset;
+		}
+	} else if (rfbi.datatype == OMAP_DSS_RFBI_DATATYPE_16 &&
+	   rfbi.parallelmode == OMAP_DSS_RFBI_PARALLELMODE_16) {
+		const u16 __iomem *pd = buf;
+		pd += start_offset;
+
+		for (; h; --h) {
+			for (i = 0; i < w; ++i) {
+				rfbi_write_reg(RFBI_PARAM, __raw_readw(pd));
+				++pd;
+			}
+			pd += horiz_offset;
+		}
+	} else {
+		BUG();
+	}
+}
+EXPORT_SYMBOL(omap_rfbi_write_pixels);
+
+static void rfbi_transfer_area(struct omap_dss_device *dssdev, u16 width,
+		u16 height, void (*callback)(void *data), void *data)
+{
+	u32 l;
+
+	/*BUG_ON(callback == 0);*/
+	BUG_ON(rfbi.framedone_callback != NULL);
+
+	DSSDBG("rfbi_transfer_area %dx%d\n", width, height);
+
+	dispc_mgr_set_lcd_size(dssdev->manager->id, width, height);
+
+	dispc_mgr_enable(dssdev->manager->id, true);
+
+	rfbi.framedone_callback = callback;
+	rfbi.framedone_callback_data = data;
+
+	rfbi_write_reg(RFBI_PIXEL_CNT, width * height);
+
+	l = rfbi_read_reg(RFBI_CONTROL);
+	l = FLD_MOD(l, 1, 0, 0); /* enable */
+	if (!rfbi.te_enabled)
+		l = FLD_MOD(l, 1, 4, 4); /* ITE */
+
+	rfbi_write_reg(RFBI_CONTROL, l);
+}
+
+static void framedone_callback(void *data, u32 mask)
+{
+	void (*callback)(void *data);
+
+	DSSDBG("FRAMEDONE\n");
+
+	REG_FLD_MOD(RFBI_CONTROL, 0, 0, 0);
+
+	callback = rfbi.framedone_callback;
+	rfbi.framedone_callback = NULL;
+
+	if (callback != NULL)
+		callback(rfbi.framedone_callback_data);
+}
+
+#if 1 /* VERBOSE */
+static void rfbi_print_timings(void)
+{
+	u32 l;
+	u32 time;
+
+	l = rfbi_read_reg(RFBI_CONFIG(0));
+	time = 1000000000 / rfbi.l4_khz;
+	if (l & (1 << 4))
+		time *= 2;
+
+	DSSDBG("Tick time %u ps\n", time);
+	l = rfbi_read_reg(RFBI_ONOFF_TIME(0));
+	DSSDBG("CSONTIME %d, CSOFFTIME %d, WEONTIME %d, WEOFFTIME %d, "
+		"REONTIME %d, REOFFTIME %d\n",
+		l & 0x0f, (l >> 4) & 0x3f, (l >> 10) & 0x0f, (l >> 14) & 0x3f,
+		(l >> 20) & 0x0f, (l >> 24) & 0x3f);
+
+	l = rfbi_read_reg(RFBI_CYCLE_TIME(0));
+	DSSDBG("WECYCLETIME %d, RECYCLETIME %d, CSPULSEWIDTH %d, "
+		"ACCESSTIME %d\n",
+		(l & 0x3f), (l >> 6) & 0x3f, (l >> 12) & 0x3f,
+		(l >> 22) & 0x3f);
+}
+#else
+static void rfbi_print_timings(void) {}
+#endif
+
+
+
+
+static u32 extif_clk_period;
+
+static inline unsigned long round_to_extif_ticks(unsigned long ps, int div)
+{
+	int bus_tick = extif_clk_period * div;
+	return (ps + bus_tick - 1) / bus_tick * bus_tick;
+}
+
+static int calc_reg_timing(struct rfbi_timings *t, int div)
+{
+	t->clk_div = div;
+
+	t->cs_on_time = round_to_extif_ticks(t->cs_on_time, div);
+
+	t->we_on_time = round_to_extif_ticks(t->we_on_time, div);
+	t->we_off_time = round_to_extif_ticks(t->we_off_time, div);
+	t->we_cycle_time = round_to_extif_ticks(t->we_cycle_time, div);
+
+	t->re_on_time = round_to_extif_ticks(t->re_on_time, div);
+	t->re_off_time = round_to_extif_ticks(t->re_off_time, div);
+	t->re_cycle_time = round_to_extif_ticks(t->re_cycle_time, div);
+
+	t->access_time = round_to_extif_ticks(t->access_time, div);
+	t->cs_off_time = round_to_extif_ticks(t->cs_off_time, div);
+	t->cs_pulse_width = round_to_extif_ticks(t->cs_pulse_width, div);
+
+	DSSDBG("[reg]cson %d csoff %d reon %d reoff %d\n",
+	       t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time);
+	DSSDBG("[reg]weon %d weoff %d recyc %d wecyc %d\n",
+	       t->we_on_time, t->we_off_time, t->re_cycle_time,
+	       t->we_cycle_time);
+	DSSDBG("[reg]rdaccess %d cspulse %d\n",
+	       t->access_time, t->cs_pulse_width);
+
+	return rfbi_convert_timings(t);
+}
+
+static int calc_extif_timings(struct rfbi_timings *t)
+{
+	u32 max_clk_div;
+	int div;
+
+	rfbi_get_clk_info(&extif_clk_period, &max_clk_div);
+	for (div = 1; div <= max_clk_div; div++) {
+		if (calc_reg_timing(t, div) == 0)
+			break;
+	}
+
+	if (div <= max_clk_div)
+		return 0;
+
+	DSSERR("can't setup timings\n");
+	return -1;
+}
+
+
+static void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t)
+{
+	int r;
+
+	if (!t->converted) {
+		r = calc_extif_timings(t);
+		if (r < 0)
+			DSSERR("Failed to calc timings\n");
+	}
+
+	BUG_ON(!t->converted);
+
+	rfbi_write_reg(RFBI_ONOFF_TIME(rfbi_module), t->tim[0]);
+	rfbi_write_reg(RFBI_CYCLE_TIME(rfbi_module), t->tim[1]);
+
+	/* TIMEGRANULARITY */
+	REG_FLD_MOD(RFBI_CONFIG(rfbi_module),
+		    (t->tim[2] ? 1 : 0), 4, 4);
+
+	rfbi_print_timings();
+}
+
+static int ps_to_rfbi_ticks(int time, int div)
+{
+	unsigned long tick_ps;
+	int ret;
+
+	/* Calculate in picosecs to yield more exact results */
+	tick_ps = 1000000000 / (rfbi.l4_khz) * div;
+
+	ret = (time + tick_ps - 1) / tick_ps;
+
+	return ret;
+}
+
+static void rfbi_get_clk_info(u32 *clk_period, u32 *max_clk_div)
+{
+	*clk_period = 1000000000 / rfbi.l4_khz;
+	*max_clk_div = 2;
+}
+
+static int rfbi_convert_timings(struct rfbi_timings *t)
+{
+	u32 l;
+	int reon, reoff, weon, weoff, cson, csoff, cs_pulse;
+	int actim, recyc, wecyc;
+	int div = t->clk_div;
+
+	if (div <= 0 || div > 2)
+		return -1;
+
+	/* Make sure that after conversion it still holds that:
+	 * weoff > weon, reoff > reon, recyc >= reoff, wecyc >= weoff,
+	 * csoff > cson, csoff >= max(weoff, reoff), actim > reon
+	 */
+	weon = ps_to_rfbi_ticks(t->we_on_time, div);
+	weoff = ps_to_rfbi_ticks(t->we_off_time, div);
+	if (weoff <= weon)
+		weoff = weon + 1;
+	if (weon > 0x0f)
+		return -1;
+	if (weoff > 0x3f)
+		return -1;
+
+	reon = ps_to_rfbi_ticks(t->re_on_time, div);
+	reoff = ps_to_rfbi_ticks(t->re_off_time, div);
+	if (reoff <= reon)
+		reoff = reon + 1;
+	if (reon > 0x0f)
+		return -1;
+	if (reoff > 0x3f)
+		return -1;
+
+	cson = ps_to_rfbi_ticks(t->cs_on_time, div);
+	csoff = ps_to_rfbi_ticks(t->cs_off_time, div);
+	if (csoff <= cson)
+		csoff = cson + 1;
+	if (csoff < max(weoff, reoff))
+		csoff = max(weoff, reoff);
+	if (cson > 0x0f)
+		return -1;
+	if (csoff > 0x3f)
+		return -1;
+
+	l =  cson;
+	l |= csoff << 4;
+	l |= weon  << 10;
+	l |= weoff << 14;
+	l |= reon  << 20;
+	l |= reoff << 24;
+
+	t->tim[0] = l;
+
+	actim = ps_to_rfbi_ticks(t->access_time, div);
+	if (actim <= reon)
+		actim = reon + 1;
+	if (actim > 0x3f)
+		return -1;
+
+	wecyc = ps_to_rfbi_ticks(t->we_cycle_time, div);
+	if (wecyc < weoff)
+		wecyc = weoff;
+	if (wecyc > 0x3f)
+		return -1;
+
+	recyc = ps_to_rfbi_ticks(t->re_cycle_time, div);
+	if (recyc < reoff)
+		recyc = reoff;
+	if (recyc > 0x3f)
+		return -1;
+
+	cs_pulse = ps_to_rfbi_ticks(t->cs_pulse_width, div);
+	if (cs_pulse > 0x3f)
+		return -1;
+
+	l =  wecyc;
+	l |= recyc    << 6;
+	l |= cs_pulse << 12;
+	l |= actim    << 22;
+
+	t->tim[1] = l;
+
+	t->tim[2] = div - 1;
+
+	t->converted = 1;
+
+	return 0;
+}
+
+/* xxx FIX module selection missing */
+int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
+			     unsigned hs_pulse_time, unsigned vs_pulse_time,
+			     int hs_pol_inv, int vs_pol_inv, int extif_div)
+{
+	int hs, vs;
+	int min;
+	u32 l;
+
+	hs = ps_to_rfbi_ticks(hs_pulse_time, 1);
+	vs = ps_to_rfbi_ticks(vs_pulse_time, 1);
+	if (hs < 2)
+		return -EDOM;
+	if (mode == OMAP_DSS_RFBI_TE_MODE_2)
+		min = 2;
+	else /* OMAP_DSS_RFBI_TE_MODE_1 */
+		min = 4;
+	if (vs < min)
+		return -EDOM;
+	if (vs == hs)
+		return -EINVAL;
+	rfbi.te_mode = mode;
+	DSSDBG("setup_te: mode %d hs %d vs %d hs_inv %d vs_inv %d\n",
+		mode, hs, vs, hs_pol_inv, vs_pol_inv);
+
+	rfbi_write_reg(RFBI_HSYNC_WIDTH, hs);
+	rfbi_write_reg(RFBI_VSYNC_WIDTH, vs);
+
+	l = rfbi_read_reg(RFBI_CONFIG(0));
+	if (hs_pol_inv)
+		l &= ~(1 << 21);
+	else
+		l |= 1 << 21;
+	if (vs_pol_inv)
+		l &= ~(1 << 20);
+	else
+		l |= 1 << 20;
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_rfbi_setup_te);
+
+/* xxx FIX module selection missing */
+int omap_rfbi_enable_te(bool enable, unsigned line)
+{
+	u32 l;
+
+	DSSDBG("te %d line %d mode %d\n", enable, line, rfbi.te_mode);
+	if (line > (1 << 11) - 1)
+		return -EINVAL;
+
+	l = rfbi_read_reg(RFBI_CONFIG(0));
+	l &= ~(0x3 << 2);
+	if (enable) {
+		rfbi.te_enabled = 1;
+		l |= rfbi.te_mode << 2;
+	} else
+		rfbi.te_enabled = 0;
+	rfbi_write_reg(RFBI_CONFIG(0), l);
+	rfbi_write_reg(RFBI_LINE_NUMBER, line);
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_rfbi_enable_te);
+
+static int rfbi_configure(int rfbi_module, int bpp, int lines)
+{
+	u32 l;
+	int cycle1 = 0, cycle2 = 0, cycle3 = 0;
+	enum omap_rfbi_cycleformat cycleformat;
+	enum omap_rfbi_datatype datatype;
+	enum omap_rfbi_parallelmode parallelmode;
+
+	switch (bpp) {
+	case 12:
+		datatype = OMAP_DSS_RFBI_DATATYPE_12;
+		break;
+	case 16:
+		datatype = OMAP_DSS_RFBI_DATATYPE_16;
+		break;
+	case 18:
+		datatype = OMAP_DSS_RFBI_DATATYPE_18;
+		break;
+	case 24:
+		datatype = OMAP_DSS_RFBI_DATATYPE_24;
+		break;
+	default:
+		BUG();
+		return 1;
+	}
+	rfbi.datatype = datatype;
+
+	switch (lines) {
+	case 8:
+		parallelmode = OMAP_DSS_RFBI_PARALLELMODE_8;
+		break;
+	case 9:
+		parallelmode = OMAP_DSS_RFBI_PARALLELMODE_9;
+		break;
+	case 12:
+		parallelmode = OMAP_DSS_RFBI_PARALLELMODE_12;
+		break;
+	case 16:
+		parallelmode = OMAP_DSS_RFBI_PARALLELMODE_16;
+		break;
+	default:
+		BUG();
+		return 1;
+	}
+	rfbi.parallelmode = parallelmode;
+
+	if ((bpp % lines) == 0) {
+		switch (bpp / lines) {
+		case 1:
+			cycleformat = OMAP_DSS_RFBI_CYCLEFORMAT_1_1;
+			break;
+		case 2:
+			cycleformat = OMAP_DSS_RFBI_CYCLEFORMAT_2_1;
+			break;
+		case 3:
+			cycleformat = OMAP_DSS_RFBI_CYCLEFORMAT_3_1;
+			break;
+		default:
+			BUG();
+			return 1;
+		}
+	} else if ((2 * bpp % lines) == 0) {
+		if ((2 * bpp / lines) == 3)
+			cycleformat = OMAP_DSS_RFBI_CYCLEFORMAT_3_2;
+		else {
+			BUG();
+			return 1;
+		}
+	} else {
+		BUG();
+		return 1;
+	}
+
+	switch (cycleformat) {
+	case OMAP_DSS_RFBI_CYCLEFORMAT_1_1:
+		cycle1 = lines;
+		break;
+
+	case OMAP_DSS_RFBI_CYCLEFORMAT_2_1:
+		cycle1 = lines;
+		cycle2 = lines;
+		break;
+
+	case OMAP_DSS_RFBI_CYCLEFORMAT_3_1:
+		cycle1 = lines;
+		cycle2 = lines;
+		cycle3 = lines;
+		break;
+
+	case OMAP_DSS_RFBI_CYCLEFORMAT_3_2:
+		cycle1 = lines;
+		cycle2 = (lines / 2) | ((lines / 2) << 16);
+		cycle3 = (lines << 16);
+		break;
+	}
+
+	REG_FLD_MOD(RFBI_CONTROL, 0, 3, 2); /* clear CS */
+
+	l = 0;
+	l |= FLD_VAL(parallelmode, 1, 0);
+	l |= FLD_VAL(0, 3, 2);		/* TRIGGERMODE: ITE */
+	l |= FLD_VAL(0, 4, 4);		/* TIMEGRANULARITY */
+	l |= FLD_VAL(datatype, 6, 5);
+	/* l |= FLD_VAL(2, 8, 7); */	/* L4FORMAT, 2pix/L4 */
+	l |= FLD_VAL(0, 8, 7);	/* L4FORMAT, 1pix/L4 */
+	l |= FLD_VAL(cycleformat, 10, 9);
+	l |= FLD_VAL(0, 12, 11);	/* UNUSEDBITS */
+	l |= FLD_VAL(0, 16, 16);	/* A0POLARITY */
+	l |= FLD_VAL(0, 17, 17);	/* REPOLARITY */
+	l |= FLD_VAL(0, 18, 18);	/* WEPOLARITY */
+	l |= FLD_VAL(0, 19, 19);	/* CSPOLARITY */
+	l |= FLD_VAL(1, 20, 20);	/* TE_VSYNC_POLARITY */
+	l |= FLD_VAL(1, 21, 21);	/* HSYNCPOLARITY */
+	rfbi_write_reg(RFBI_CONFIG(rfbi_module), l);
+
+	rfbi_write_reg(RFBI_DATA_CYCLE1(rfbi_module), cycle1);
+	rfbi_write_reg(RFBI_DATA_CYCLE2(rfbi_module), cycle2);
+	rfbi_write_reg(RFBI_DATA_CYCLE3(rfbi_module), cycle3);
+
+
+	l = rfbi_read_reg(RFBI_CONTROL);
+	l = FLD_MOD(l, rfbi_module+1, 3, 2); /* Select CSx */
+	l = FLD_MOD(l, 0, 1, 1); /* clear bypass */
+	rfbi_write_reg(RFBI_CONTROL, l);
+
+
+	DSSDBG("RFBI config: bpp %d, lines %d, cycles: 0x%x 0x%x 0x%x\n",
+	       bpp, lines, cycle1, cycle2, cycle3);
+
+	return 0;
+}
+
+int omap_rfbi_configure(struct omap_dss_device *dssdev, int pixel_size,
+		int data_lines)
+{
+	return rfbi_configure(dssdev->phy.rfbi.channel, pixel_size, data_lines);
+}
+EXPORT_SYMBOL(omap_rfbi_configure);
+
+int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
+		u16 *x, u16 *y, u16 *w, u16 *h)
+{
+	u16 dw, dh;
+
+	dssdev->driver->get_resolution(dssdev, &dw, &dh);
+
+	if  (*x > dw || *y > dh)
+		return -EINVAL;
+
+	if (*x + *w > dw)
+		return -EINVAL;
+
+	if (*y + *h > dh)
+		return -EINVAL;
+
+	if (*w == 1)
+		return -EINVAL;
+
+	if (*w == 0 || *h == 0)
+		return -EINVAL;
+
+	dispc_mgr_set_lcd_size(dssdev->manager->id, *w, *h);
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_rfbi_prepare_update);
+
+int omap_rfbi_update(struct omap_dss_device *dssdev,
+		u16 x, u16 y, u16 w, u16 h,
+		void (*callback)(void *), void *data)
+{
+	rfbi_transfer_area(dssdev, w, h, callback, data);
+	return 0;
+}
+EXPORT_SYMBOL(omap_rfbi_update);
+
+void rfbi_dump_regs(struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, rfbi_read_reg(r))
+
+	if (rfbi_runtime_get())
+		return;
+
+	DUMPREG(RFBI_REVISION);
+	DUMPREG(RFBI_SYSCONFIG);
+	DUMPREG(RFBI_SYSSTATUS);
+	DUMPREG(RFBI_CONTROL);
+	DUMPREG(RFBI_PIXEL_CNT);
+	DUMPREG(RFBI_LINE_NUMBER);
+	DUMPREG(RFBI_CMD);
+	DUMPREG(RFBI_PARAM);
+	DUMPREG(RFBI_DATA);
+	DUMPREG(RFBI_READ);
+	DUMPREG(RFBI_STATUS);
+
+	DUMPREG(RFBI_CONFIG(0));
+	DUMPREG(RFBI_ONOFF_TIME(0));
+	DUMPREG(RFBI_CYCLE_TIME(0));
+	DUMPREG(RFBI_DATA_CYCLE1(0));
+	DUMPREG(RFBI_DATA_CYCLE2(0));
+	DUMPREG(RFBI_DATA_CYCLE3(0));
+
+	DUMPREG(RFBI_CONFIG(1));
+	DUMPREG(RFBI_ONOFF_TIME(1));
+	DUMPREG(RFBI_CYCLE_TIME(1));
+	DUMPREG(RFBI_DATA_CYCLE1(1));
+	DUMPREG(RFBI_DATA_CYCLE2(1));
+	DUMPREG(RFBI_DATA_CYCLE3(1));
+
+	DUMPREG(RFBI_VSYNC_WIDTH);
+	DUMPREG(RFBI_HSYNC_WIDTH);
+
+	rfbi_runtime_put();
+#undef DUMPREG
+}
+
+int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	if (dssdev->manager == NULL) {
+		DSSERR("failed to enable display: no manager\n");
+		return -ENODEV;
+	}
+
+	r = rfbi_runtime_get();
+	if (r)
+		return r;
+
+	r = omap_dss_start_device(dssdev);
+	if (r) {
+		DSSERR("failed to start device\n");
+		goto err0;
+	}
+
+	r = omap_dispc_register_isr(framedone_callback, NULL,
+			DISPC_IRQ_FRAMEDONE);
+	if (r) {
+		DSSERR("can't get FRAMEDONE irq\n");
+		goto err1;
+	}
+
+	dispc_mgr_set_lcd_display_type(dssdev->manager->id,
+			OMAP_DSS_LCD_DISPLAY_TFT);
+
+	dispc_mgr_set_io_pad_mode(DSS_IO_PAD_MODE_RFBI);
+	dispc_mgr_enable_stallmode(dssdev->manager->id, true);
+
+	dispc_mgr_set_tft_data_lines(dssdev->manager->id, dssdev->ctrl.pixel_size);
+
+	rfbi_configure(dssdev->phy.rfbi.channel,
+			       dssdev->ctrl.pixel_size,
+			       dssdev->phy.rfbi.data_lines);
+
+	rfbi_set_timings(dssdev->phy.rfbi.channel,
+			 &dssdev->ctrl.rfbi_timings);
+
+
+	return 0;
+err1:
+	omap_dss_stop_device(dssdev);
+err0:
+	rfbi_runtime_put();
+	return r;
+}
+EXPORT_SYMBOL(omapdss_rfbi_display_enable);
+
+void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev)
+{
+	omap_dispc_unregister_isr(framedone_callback, NULL,
+			DISPC_IRQ_FRAMEDONE);
+	omap_dss_stop_device(dssdev);
+
+	rfbi_runtime_put();
+}
+EXPORT_SYMBOL(omapdss_rfbi_display_disable);
+
+int rfbi_init_display(struct omap_dss_device *dssdev)
+{
+	rfbi.dssdev[dssdev->phy.rfbi.channel] = dssdev;
+	dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
+	return 0;
+}
+
+/* RFBI HW IP initialisation */
+static int omap_rfbihw_probe(struct platform_device *pdev)
+{
+	u32 rev;
+	struct resource *rfbi_mem;
+	struct clk *clk;
+	int r;
+
+	rfbi.pdev = pdev;
+
+	sema_init(&rfbi.bus_lock, 1);
+
+	rfbi_mem = platform_get_resource(rfbi.pdev, IORESOURCE_MEM, 0);
+	if (!rfbi_mem) {
+		DSSERR("can't get IORESOURCE_MEM RFBI\n");
+		return -EINVAL;
+	}
+
+	rfbi.base = devm_ioremap(&pdev->dev, rfbi_mem->start,
+				 resource_size(rfbi_mem));
+	if (!rfbi.base) {
+		DSSERR("can't ioremap RFBI\n");
+		return -ENOMEM;
+	}
+
+	clk = clk_get(&pdev->dev, "ick");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get ick\n");
+		return PTR_ERR(clk);
+	}
+
+	rfbi.l4_khz = clk_get_rate(clk) / 1000;
+
+	clk_put(clk);
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = rfbi_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	msleep(10);
+
+	rev = rfbi_read_reg(RFBI_REVISION);
+	dev_dbg(&pdev->dev, "OMAP RFBI rev %d.%d\n",
+	       FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	rfbi_runtime_put();
+
+	return 0;
+
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	return r;
+}
+
+static int omap_rfbihw_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+	return 0;
+}
+
+static int rfbi_runtime_suspend(struct device *dev)
+{
+	dispc_runtime_put();
+	dss_runtime_put();
+
+	return 0;
+}
+
+static int rfbi_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dss_runtime_get();
+	if (r < 0)
+		goto err_get_dss;
+
+	r = dispc_runtime_get();
+	if (r < 0)
+		goto err_get_dispc;
+
+	return 0;
+
+err_get_dispc:
+	dss_runtime_put();
+err_get_dss:
+	return r;
+}
+
+static const struct dev_pm_ops rfbi_pm_ops = {
+	.runtime_suspend = rfbi_runtime_suspend,
+	.runtime_resume = rfbi_runtime_resume,
+};
+
+static struct platform_driver omap_rfbihw_driver = {
+	.probe          = omap_rfbihw_probe,
+	.remove         = omap_rfbihw_remove,
+	.driver         = {
+		.name   = "omapdss_rfbi",
+		.owner  = THIS_MODULE,
+		.pm	= &rfbi_pm_ops,
+	},
+};
+
+int rfbi_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_rfbihw_driver);
+}
+
+void rfbi_uninit_platform_driver(void)
+{
+	return platform_driver_unregister(&omap_rfbihw_driver);
+}
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
new file mode 100644
index 00000000..8266ca0d
--- /dev/null
+++ b/drivers/video/omap2/dss/sdi.c
@@ -0,0 +1,192 @@
+/*
+ * linux/drivers/video/omap2/dss/sdi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "SDI"
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/regulator/consumer.h>
+#include <linux/export.h>
+
+#include <video/omapdss.h>
+#include "dss.h"
+
+static struct {
+	bool update_enabled;
+	struct regulator *vdds_sdi_reg;
+} sdi;
+
+static void sdi_basic_init(struct omap_dss_device *dssdev)
+
+{
+	dispc_mgr_set_io_pad_mode(DSS_IO_PAD_MODE_BYPASS);
+	dispc_mgr_enable_stallmode(dssdev->manager->id, false);
+
+	dispc_mgr_set_lcd_display_type(dssdev->manager->id,
+			OMAP_DSS_LCD_DISPLAY_TFT);
+
+	dispc_mgr_set_tft_data_lines(dssdev->manager->id, 24);
+	dispc_lcd_enable_signal_polarity(1);
+}
+
+int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct omap_video_timings *t = &dssdev->panel.timings;
+	struct dss_clock_info dss_cinfo;
+	struct dispc_clock_info dispc_cinfo;
+	u16 lck_div, pck_div;
+	unsigned long fck;
+	unsigned long pck;
+	int r;
+
+	if (dssdev->manager == NULL) {
+		DSSERR("failed to enable display: no manager\n");
+		return -ENODEV;
+	}
+
+	r = omap_dss_start_device(dssdev);
+	if (r) {
+		DSSERR("failed to start device\n");
+		goto err_start_dev;
+	}
+
+	r = regulator_enable(sdi.vdds_sdi_reg);
+	if (r)
+		goto err_reg_enable;
+
+	r = dss_runtime_get();
+	if (r)
+		goto err_get_dss;
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_get_dispc;
+
+	sdi_basic_init(dssdev);
+
+	/* 15.5.9.1.2 */
+	dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;
+
+	dispc_mgr_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
+			dssdev->panel.acbi, dssdev->panel.acb);
+
+	r = dss_calc_clock_div(1, t->pixel_clock * 1000,
+			&dss_cinfo, &dispc_cinfo);
+	if (r)
+		goto err_calc_clock_div;
+
+	fck = dss_cinfo.fck;
+	lck_div = dispc_cinfo.lck_div;
+	pck_div = dispc_cinfo.pck_div;
+
+	pck = fck / lck_div / pck_div / 1000;
+
+	if (pck != t->pixel_clock) {
+		DSSWARN("Could not find exact pixel clock. Requested %d kHz, "
+				"got %lu kHz\n",
+				t->pixel_clock, pck);
+
+		t->pixel_clock = pck;
+	}
+
+
+	dispc_mgr_set_lcd_timings(dssdev->manager->id, t);
+
+	r = dss_set_clock_div(&dss_cinfo);
+	if (r)
+		goto err_set_dss_clock_div;
+
+	r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
+	if (r)
+		goto err_set_dispc_clock_div;
+
+	dss_sdi_init(dssdev->phy.sdi.datapairs);
+	r = dss_sdi_enable();
+	if (r)
+		goto err_sdi_enable;
+	mdelay(2);
+
+	r = dss_mgr_enable(dssdev->manager);
+	if (r)
+		goto err_mgr_enable;
+
+	return 0;
+
+err_mgr_enable:
+	dss_sdi_disable();
+err_sdi_enable:
+err_set_dispc_clock_div:
+err_set_dss_clock_div:
+err_calc_clock_div:
+	dispc_runtime_put();
+err_get_dispc:
+	dss_runtime_put();
+err_get_dss:
+	regulator_disable(sdi.vdds_sdi_reg);
+err_reg_enable:
+	omap_dss_stop_device(dssdev);
+err_start_dev:
+	return r;
+}
+EXPORT_SYMBOL(omapdss_sdi_display_enable);
+
+void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
+{
+	dss_mgr_disable(dssdev->manager);
+
+	dss_sdi_disable();
+
+	dispc_runtime_put();
+	dss_runtime_put();
+
+	regulator_disable(sdi.vdds_sdi_reg);
+
+	omap_dss_stop_device(dssdev);
+}
+EXPORT_SYMBOL(omapdss_sdi_display_disable);
+
+int sdi_init_display(struct omap_dss_device *dssdev)
+{
+	DSSDBG("SDI init\n");
+
+	if (sdi.vdds_sdi_reg == NULL) {
+		struct regulator *vdds_sdi;
+
+		vdds_sdi = dss_get_vdds_sdi();
+
+		if (IS_ERR(vdds_sdi)) {
+			DSSERR("can't get VDDS_SDI regulator\n");
+			return PTR_ERR(vdds_sdi);
+		}
+
+		sdi.vdds_sdi_reg = vdds_sdi;
+	}
+
+	return 0;
+}
+
+int sdi_init(void)
+{
+	return 0;
+}
+
+void sdi_exit(void)
+{
+}
diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h
new file mode 100644
index 00000000..1f58b84d
--- /dev/null
+++ b/drivers/video/omap2/dss/ti_hdmi.h
@@ -0,0 +1,188 @@
+/*
+ * ti_hdmi.h
+ *
+ * HDMI driver definition for TI OMAP4, DM81xx, DM38xx  Processor.
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TI_HDMI_H
+#define _TI_HDMI_H
+
+struct hdmi_ip_data;
+
+enum hdmi_pll_pwr {
+	HDMI_PLLPWRCMD_ALLOFF = 0,
+	HDMI_PLLPWRCMD_PLLONLY = 1,
+	HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2,
+	HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3
+};
+
+enum hdmi_core_hdmi_dvi {
+	HDMI_DVI = 0,
+	HDMI_HDMI = 1
+};
+
+enum hdmi_clk_refsel {
+	HDMI_REFSEL_PCLK = 0,
+	HDMI_REFSEL_REF1 = 1,
+	HDMI_REFSEL_REF2 = 2,
+	HDMI_REFSEL_SYSCLK = 3
+};
+
+/* HDMI timing structure */
+struct hdmi_video_timings {
+	u16 x_res;
+	u16 y_res;
+	/* Unit: KHz */
+	u32 pixel_clock;
+	u16 hsw;
+	u16 hfp;
+	u16 hbp;
+	u16 vsw;
+	u16 vfp;
+	u16 vbp;
+	bool vsync_pol;
+	bool hsync_pol;
+	bool interlace;
+};
+
+struct hdmi_cm {
+	int	code;
+	int	mode;
+};
+
+struct hdmi_config {
+	struct hdmi_video_timings timings;
+	struct hdmi_cm cm;
+};
+
+/* HDMI PLL structure */
+struct hdmi_pll_info {
+	u16 regn;
+	u16 regm;
+	u32 regmf;
+	u16 regm2;
+	u16 regsd;
+	u16 dcofreq;
+	enum hdmi_clk_refsel refsel;
+};
+
+struct ti_hdmi_ip_ops {
+
+	void (*video_configure)(struct hdmi_ip_data *ip_data);
+
+	int (*phy_enable)(struct hdmi_ip_data *ip_data);
+
+	void (*phy_disable)(struct hdmi_ip_data *ip_data);
+
+	int (*read_edid)(struct hdmi_ip_data *ip_data, u8 *edid, int len);
+
+	bool (*detect)(struct hdmi_ip_data *ip_data);
+
+	int (*pll_enable)(struct hdmi_ip_data *ip_data);
+
+	void (*pll_disable)(struct hdmi_ip_data *ip_data);
+
+	void (*video_enable)(struct hdmi_ip_data *ip_data, bool start);
+
+	void (*dump_wrapper)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+	void (*dump_core)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+	void (*dump_pll)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+	void (*dump_phy)(struct hdmi_ip_data *ip_data, struct seq_file *s);
+
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+	void (*audio_enable)(struct hdmi_ip_data *ip_data, bool start);
+#endif
+
+};
+
+/*
+ * Refer to section 8.2 in HDMI 1.3 specification for
+ * details about infoframe databytes
+ */
+struct hdmi_core_infoframe_avi {
+	/* Y0, Y1 rgb,yCbCr */
+	u8	db1_format;
+	/* A0  Active information Present */
+	u8	db1_active_info;
+	/* B0, B1 Bar info data valid */
+	u8	db1_bar_info_dv;
+	/* S0, S1 scan information */
+	u8	db1_scan_info;
+	/* C0, C1 colorimetry */
+	u8	db2_colorimetry;
+	/* M0, M1 Aspect ratio (4:3, 16:9) */
+	u8	db2_aspect_ratio;
+	/* R0...R3 Active format aspect ratio */
+	u8	db2_active_fmt_ar;
+	/* ITC IT content. */
+	u8	db3_itc;
+	/* EC0, EC1, EC2 Extended colorimetry */
+	u8	db3_ec;
+	/* Q1, Q0 Quantization range */
+	u8	db3_q_range;
+	/* SC1, SC0 Non-uniform picture scaling */
+	u8	db3_nup_scaling;
+	/* VIC0..6 Video format identification */
+	u8	db4_videocode;
+	/* PR0..PR3 Pixel repetition factor */
+	u8	db5_pixel_repeat;
+	/* Line number end of top bar */
+	u16	db6_7_line_eoftop;
+	/* Line number start of bottom bar */
+	u16	db8_9_line_sofbottom;
+	/* Pixel number end of left bar */
+	u16	db10_11_pixel_eofleft;
+	/* Pixel number start of right bar */
+	u16	db12_13_pixel_sofright;
+};
+
+struct hdmi_ip_data {
+	void __iomem	*base_wp;	/* HDMI wrapper */
+	unsigned long	core_sys_offset;
+	unsigned long	core_av_offset;
+	unsigned long	pll_offset;
+	unsigned long	phy_offset;
+	const struct ti_hdmi_ip_ops *ops;
+	struct hdmi_config cfg;
+	struct hdmi_pll_info pll_data;
+	struct hdmi_core_infoframe_avi avi_cfg;
+
+	/* ti_hdmi_4xxx_ip private data. These should be in a separate struct */
+	int hpd_gpio;
+	bool phy_tx_enabled;
+};
+int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data);
+void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data);
+int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data, u8 *edid, int len);
+bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data);
+void ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data, bool start);
+int ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data);
+void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data);
+void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data);
+void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+void ti_hdmi_4xxx_wp_audio_enable(struct hdmi_ip_data *ip_data, bool enable);
+#endif
+#endif
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
new file mode 100644
index 00000000..bfe6fe65
--- /dev/null
+++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c
@@ -0,0 +1,1261 @@
+/*
+ * ti_hdmi_4xxx_ip.c
+ *
+ * HDMI TI81xx, TI38xx, TI OMAP4 etc IP driver Library
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ * Authors: Yong Zhi
+ *	Mythri pk <mythripk@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/seq_file.h>
+#include <linux/gpio.h>
+
+#include "ti_hdmi_4xxx_ip.h"
+#include "dss.h"
+
+static inline void hdmi_write_reg(void __iomem *base_addr,
+				const u16 idx, u32 val)
+{
+	__raw_writel(val, base_addr + idx);
+}
+
+static inline u32 hdmi_read_reg(void __iomem *base_addr,
+				const u16 idx)
+{
+	return __raw_readl(base_addr + idx);
+}
+
+static inline void __iomem *hdmi_wp_base(struct hdmi_ip_data *ip_data)
+{
+	return ip_data->base_wp;
+}
+
+static inline void __iomem *hdmi_phy_base(struct hdmi_ip_data *ip_data)
+{
+	return ip_data->base_wp + ip_data->phy_offset;
+}
+
+static inline void __iomem *hdmi_pll_base(struct hdmi_ip_data *ip_data)
+{
+	return ip_data->base_wp + ip_data->pll_offset;
+}
+
+static inline void __iomem *hdmi_av_base(struct hdmi_ip_data *ip_data)
+{
+	return ip_data->base_wp + ip_data->core_av_offset;
+}
+
+static inline void __iomem *hdmi_core_sys_base(struct hdmi_ip_data *ip_data)
+{
+	return ip_data->base_wp + ip_data->core_sys_offset;
+}
+
+static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
+				const u16 idx,
+				int b2, int b1, u32 val)
+{
+	u32 t = 0;
+	while (val != REG_GET(base_addr, idx, b2, b1)) {
+		udelay(1);
+		if (t++ > 10000)
+			return !val;
+	}
+	return val;
+}
+
+static int hdmi_pll_init(struct hdmi_ip_data *ip_data)
+{
+	u32 r;
+	void __iomem *pll_base = hdmi_pll_base(ip_data);
+	struct hdmi_pll_info *fmt = &ip_data->pll_data;
+
+	/* PLL start always use manual mode */
+	REG_FLD_MOD(pll_base, PLLCTRL_PLL_CONTROL, 0x0, 0, 0);
+
+	r = hdmi_read_reg(pll_base, PLLCTRL_CFG1);
+	r = FLD_MOD(r, fmt->regm, 20, 9); /* CFG1_PLL_REGM */
+	r = FLD_MOD(r, fmt->regn - 1, 8, 1);  /* CFG1_PLL_REGN */
+
+	hdmi_write_reg(pll_base, PLLCTRL_CFG1, r);
+
+	r = hdmi_read_reg(pll_base, PLLCTRL_CFG2);
+
+	r = FLD_MOD(r, 0x0, 12, 12); /* PLL_HIGHFREQ divide by 2 */
+	r = FLD_MOD(r, 0x1, 13, 13); /* PLL_REFEN */
+	r = FLD_MOD(r, 0x0, 14, 14); /* PHY_CLKINEN de-assert during locking */
+	r = FLD_MOD(r, fmt->refsel, 22, 21); /* REFSEL */
+
+	if (fmt->dcofreq) {
+		/* divider programming for frequency beyond 1000Mhz */
+		REG_FLD_MOD(pll_base, PLLCTRL_CFG3, fmt->regsd, 17, 10);
+		r = FLD_MOD(r, 0x4, 3, 1); /* 1000MHz and 2000MHz */
+	} else {
+		r = FLD_MOD(r, 0x2, 3, 1); /* 500MHz and 1000MHz */
+	}
+
+	hdmi_write_reg(pll_base, PLLCTRL_CFG2, r);
+
+	r = hdmi_read_reg(pll_base, PLLCTRL_CFG4);
+	r = FLD_MOD(r, fmt->regm2, 24, 18);
+	r = FLD_MOD(r, fmt->regmf, 17, 0);
+
+	hdmi_write_reg(pll_base, PLLCTRL_CFG4, r);
+
+	/* go now */
+	REG_FLD_MOD(pll_base, PLLCTRL_PLL_GO, 0x1, 0, 0);
+
+	/* wait for bit change */
+	if (hdmi_wait_for_bit_change(pll_base, PLLCTRL_PLL_GO,
+							0, 0, 1) != 1) {
+		pr_err("PLL GO bit not set\n");
+		return -ETIMEDOUT;
+	}
+
+	/* Wait till the lock bit is set in PLL status */
+	if (hdmi_wait_for_bit_change(pll_base,
+				PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) {
+		pr_err("cannot lock PLL\n");
+		pr_err("CFG1 0x%x\n",
+			hdmi_read_reg(pll_base, PLLCTRL_CFG1));
+		pr_err("CFG2 0x%x\n",
+			hdmi_read_reg(pll_base, PLLCTRL_CFG2));
+		pr_err("CFG4 0x%x\n",
+			hdmi_read_reg(pll_base, PLLCTRL_CFG4));
+		return -ETIMEDOUT;
+	}
+
+	pr_debug("PLL locked!\n");
+
+	return 0;
+}
+
+/* PHY_PWR_CMD */
+static int hdmi_set_phy_pwr(struct hdmi_ip_data *ip_data, enum hdmi_phy_pwr val)
+{
+	/* Command for power control of HDMI PHY */
+	REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 7, 6);
+
+	/* Status of the power control of HDMI PHY */
+	if (hdmi_wait_for_bit_change(hdmi_wp_base(ip_data),
+				HDMI_WP_PWR_CTRL, 5, 4, val) != val) {
+		pr_err("Failed to set PHY power mode to %d\n", val);
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+/* PLL_PWR_CMD */
+static int hdmi_set_pll_pwr(struct hdmi_ip_data *ip_data, enum hdmi_pll_pwr val)
+{
+	/* Command for power control of HDMI PLL */
+	REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 3, 2);
+
+	/* wait till PHY_PWR_STATUS is set */
+	if (hdmi_wait_for_bit_change(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL,
+						1, 0, val) != val) {
+		pr_err("Failed to set PLL_PWR_STATUS\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int hdmi_pll_reset(struct hdmi_ip_data *ip_data)
+{
+	/* SYSRESET  controlled by power FSM */
+	REG_FLD_MOD(hdmi_pll_base(ip_data), PLLCTRL_PLL_CONTROL, 0x0, 3, 3);
+
+	/* READ 0x0 reset is in progress */
+	if (hdmi_wait_for_bit_change(hdmi_pll_base(ip_data),
+				PLLCTRL_PLL_STATUS, 0, 0, 1) != 1) {
+		pr_err("Failed to sysreset PLL\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+int ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data)
+{
+	u16 r = 0;
+
+	r = hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF);
+	if (r)
+		return r;
+
+	r = hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_BOTHON_ALLCLKS);
+	if (r)
+		return r;
+
+	r = hdmi_pll_reset(ip_data);
+	if (r)
+		return r;
+
+	r = hdmi_pll_init(ip_data);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data)
+{
+	hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF);
+}
+
+static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data)
+{
+	unsigned long flags;
+	bool hpd;
+	int r;
+	/* this should be in ti_hdmi_4xxx_ip private data */
+	static DEFINE_SPINLOCK(phy_tx_lock);
+
+	spin_lock_irqsave(&phy_tx_lock, flags);
+
+	hpd = gpio_get_value(ip_data->hpd_gpio);
+
+	if (hpd == ip_data->phy_tx_enabled) {
+		spin_unlock_irqrestore(&phy_tx_lock, flags);
+		return 0;
+	}
+
+	if (hpd)
+		r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON);
+	else
+		r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON);
+
+	if (r) {
+		DSSERR("Failed to %s PHY TX power\n",
+				hpd ? "enable" : "disable");
+		goto err;
+	}
+
+	ip_data->phy_tx_enabled = hpd;
+err:
+	spin_unlock_irqrestore(&phy_tx_lock, flags);
+	return r;
+}
+
+static irqreturn_t hpd_irq_handler(int irq, void *data)
+{
+	struct hdmi_ip_data *ip_data = data;
+
+	hdmi_check_hpd_state(ip_data);
+
+	return IRQ_HANDLED;
+}
+
+int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data)
+{
+	u16 r = 0;
+	void __iomem *phy_base = hdmi_phy_base(ip_data);
+
+	r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON);
+	if (r)
+		return r;
+
+	/*
+	 * Read address 0 in order to get the SCP reset done completed
+	 * Dummy access performed to make sure reset is done
+	 */
+	hdmi_read_reg(phy_base, HDMI_TXPHY_TX_CTRL);
+
+	/*
+	 * Write to phy address 0 to configure the clock
+	 * use HFBITCLK write HDMI_TXPHY_TX_CONTROL_FREQOUT field
+	 */
+	REG_FLD_MOD(phy_base, HDMI_TXPHY_TX_CTRL, 0x1, 31, 30);
+
+	/* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */
+	hdmi_write_reg(phy_base, HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000);
+
+	/* Setup max LDO voltage */
+	REG_FLD_MOD(phy_base, HDMI_TXPHY_POWER_CTRL, 0xB, 3, 0);
+
+	/* Write to phy address 3 to change the polarity control */
+	REG_FLD_MOD(phy_base, HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27);
+
+	r = request_threaded_irq(gpio_to_irq(ip_data->hpd_gpio),
+			NULL, hpd_irq_handler,
+			IRQF_DISABLED | IRQF_TRIGGER_RISING |
+			IRQF_TRIGGER_FALLING, "hpd", ip_data);
+	if (r) {
+		DSSERR("HPD IRQ request failed\n");
+		hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
+		return r;
+	}
+
+	r = hdmi_check_hpd_state(ip_data);
+	if (r) {
+		free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
+		hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
+		return r;
+	}
+
+	return 0;
+}
+
+void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data)
+{
+	free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
+
+	hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
+	ip_data->phy_tx_enabled = false;
+}
+
+static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data)
+{
+	void __iomem *base = hdmi_core_sys_base(ip_data);
+
+	/* Turn on CLK for DDC */
+	REG_FLD_MOD(base, HDMI_CORE_AV_DPD, 0x7, 2, 0);
+
+	/* IN_PROG */
+	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 1) {
+		/* Abort transaction */
+		REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xf, 3, 0);
+		/* IN_PROG */
+		if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+					4, 4, 0) != 0) {
+			DSSERR("Timeout aborting DDC transaction\n");
+			return -ETIMEDOUT;
+		}
+	}
+
+	/* Clk SCL Devices */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xA, 3, 0);
+
+	/* HDMI_CORE_DDC_STATUS_IN_PROG */
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+				4, 4, 0) != 0) {
+		DSSERR("Timeout starting SCL clock\n");
+		return -ETIMEDOUT;
+	}
+
+	/* Clear FIFO */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x9, 3, 0);
+
+	/* HDMI_CORE_DDC_STATUS_IN_PROG */
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+				4, 4, 0) != 0) {
+		DSSERR("Timeout clearing DDC fifo\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int hdmi_core_ddc_edid(struct hdmi_ip_data *ip_data,
+		u8 *pedid, int ext)
+{
+	void __iomem *base = hdmi_core_sys_base(ip_data);
+	u32 i;
+	char checksum;
+	u32 offset = 0;
+
+	/* HDMI_CORE_DDC_STATUS_IN_PROG */
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+				4, 4, 0) != 0) {
+		DSSERR("Timeout waiting DDC to be ready\n");
+		return -ETIMEDOUT;
+	}
+
+	if (ext % 2 != 0)
+		offset = 0x80;
+
+	/* Load Segment Address Register */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_SEGM, ext / 2, 7, 0);
+
+	/* Load Slave Address Register */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_ADDR, 0xA0 >> 1, 7, 1);
+
+	/* Load Offset Address Register */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_OFFSET, offset, 7, 0);
+
+	/* Load Byte Count */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT1, 0x80, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT2, 0x0, 1, 0);
+
+	/* Set DDC_CMD */
+	if (ext)
+		REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x4, 3, 0);
+	else
+		REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x2, 3, 0);
+
+	/* HDMI_CORE_DDC_STATUS_BUS_LOW */
+	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 6, 6) == 1) {
+		pr_err("I2C Bus Low?\n");
+		return -EIO;
+	}
+	/* HDMI_CORE_DDC_STATUS_NO_ACK */
+	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 5, 5) == 1) {
+		pr_err("I2C No Ack\n");
+		return -EIO;
+	}
+
+	for (i = 0; i < 0x80; ++i) {
+		int t;
+
+		/* IN_PROG */
+		if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 0) {
+			DSSERR("operation stopped when reading edid\n");
+			return -EIO;
+		}
+
+		t = 0;
+		/* FIFO_EMPTY */
+		while (REG_GET(base, HDMI_CORE_DDC_STATUS, 2, 2) == 1) {
+			if (t++ > 10000) {
+				DSSERR("timeout reading edid\n");
+				return -ETIMEDOUT;
+			}
+			udelay(1);
+		}
+
+		pedid[i] = REG_GET(base, HDMI_CORE_DDC_DATA, 7, 0);
+	}
+
+	checksum = 0;
+	for (i = 0; i < 0x80; ++i)
+		checksum += pedid[i];
+
+	if (checksum != 0) {
+		pr_err("E-EDID checksum failed!!\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data,
+				u8 *edid, int len)
+{
+	int r, l;
+
+	if (len < 128)
+		return -EINVAL;
+
+	r = hdmi_core_ddc_init(ip_data);
+	if (r)
+		return r;
+
+	r = hdmi_core_ddc_edid(ip_data, edid, 0);
+	if (r)
+		return r;
+
+	l = 128;
+
+	if (len >= 128 * 2 && edid[0x7e] > 0) {
+		r = hdmi_core_ddc_edid(ip_data, edid + 0x80, 1);
+		if (r)
+			return r;
+		l += 128;
+	}
+
+	return l;
+}
+
+bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data)
+{
+	return gpio_get_value(ip_data->hpd_gpio);
+}
+
+static void hdmi_core_init(struct hdmi_core_video_config *video_cfg,
+			struct hdmi_core_infoframe_avi *avi_cfg,
+			struct hdmi_core_packet_enable_repeat *repeat_cfg)
+{
+	pr_debug("Enter hdmi_core_init\n");
+
+	/* video core */
+	video_cfg->ip_bus_width = HDMI_INPUT_8BIT;
+	video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_8BIT;
+	video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTDISABLE;
+	video_cfg->pkt_mode = HDMI_PACKETMODERESERVEDVALUE;
+	video_cfg->hdmi_dvi = HDMI_DVI;
+	video_cfg->tclk_sel_clkmult = HDMI_FPLL10IDCK;
+
+	/* info frame */
+	avi_cfg->db1_format = 0;
+	avi_cfg->db1_active_info = 0;
+	avi_cfg->db1_bar_info_dv = 0;
+	avi_cfg->db1_scan_info = 0;
+	avi_cfg->db2_colorimetry = 0;
+	avi_cfg->db2_aspect_ratio = 0;
+	avi_cfg->db2_active_fmt_ar = 0;
+	avi_cfg->db3_itc = 0;
+	avi_cfg->db3_ec = 0;
+	avi_cfg->db3_q_range = 0;
+	avi_cfg->db3_nup_scaling = 0;
+	avi_cfg->db4_videocode = 0;
+	avi_cfg->db5_pixel_repeat = 0;
+	avi_cfg->db6_7_line_eoftop = 0 ;
+	avi_cfg->db8_9_line_sofbottom = 0;
+	avi_cfg->db10_11_pixel_eofleft = 0;
+	avi_cfg->db12_13_pixel_sofright = 0;
+
+	/* packet enable and repeat */
+	repeat_cfg->audio_pkt = 0;
+	repeat_cfg->audio_pkt_repeat = 0;
+	repeat_cfg->avi_infoframe = 0;
+	repeat_cfg->avi_infoframe_repeat = 0;
+	repeat_cfg->gen_cntrl_pkt = 0;
+	repeat_cfg->gen_cntrl_pkt_repeat = 0;
+	repeat_cfg->generic_pkt = 0;
+	repeat_cfg->generic_pkt_repeat = 0;
+}
+
+static void hdmi_core_powerdown_disable(struct hdmi_ip_data *ip_data)
+{
+	pr_debug("Enter hdmi_core_powerdown_disable\n");
+	REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_CTRL1, 0x0, 0, 0);
+}
+
+static void hdmi_core_swreset_release(struct hdmi_ip_data *ip_data)
+{
+	pr_debug("Enter hdmi_core_swreset_release\n");
+	REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x0, 0, 0);
+}
+
+static void hdmi_core_swreset_assert(struct hdmi_ip_data *ip_data)
+{
+	pr_debug("Enter hdmi_core_swreset_assert\n");
+	REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x1, 0, 0);
+}
+
+/* HDMI_CORE_VIDEO_CONFIG */
+static void hdmi_core_video_config(struct hdmi_ip_data *ip_data,
+				struct hdmi_core_video_config *cfg)
+{
+	u32 r = 0;
+	void __iomem *core_sys_base = hdmi_core_sys_base(ip_data);
+
+	/* sys_ctrl1 default configuration not tunable */
+	r = hdmi_read_reg(core_sys_base, HDMI_CORE_CTRL1);
+	r = FLD_MOD(r, HDMI_CORE_CTRL1_VEN_FOLLOWVSYNC, 5, 5);
+	r = FLD_MOD(r, HDMI_CORE_CTRL1_HEN_FOLLOWHSYNC, 4, 4);
+	r = FLD_MOD(r, HDMI_CORE_CTRL1_BSEL_24BITBUS, 2, 2);
+	r = FLD_MOD(r, HDMI_CORE_CTRL1_EDGE_RISINGEDGE, 1, 1);
+	hdmi_write_reg(core_sys_base, HDMI_CORE_CTRL1, r);
+
+	REG_FLD_MOD(core_sys_base,
+			HDMI_CORE_SYS_VID_ACEN, cfg->ip_bus_width, 7, 6);
+
+	/* Vid_Mode */
+	r = hdmi_read_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE);
+
+	/* dither truncation configuration */
+	if (cfg->op_dither_truc > HDMI_OUTPUTTRUNCATION_12BIT) {
+		r = FLD_MOD(r, cfg->op_dither_truc - 3, 7, 6);
+		r = FLD_MOD(r, 1, 5, 5);
+	} else {
+		r = FLD_MOD(r, cfg->op_dither_truc, 7, 6);
+		r = FLD_MOD(r, 0, 5, 5);
+	}
+	hdmi_write_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE, r);
+
+	/* HDMI_Ctrl */
+	r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL);
+	r = FLD_MOD(r, cfg->deep_color_pkt, 6, 6);
+	r = FLD_MOD(r, cfg->pkt_mode, 5, 3);
+	r = FLD_MOD(r, cfg->hdmi_dvi, 0, 0);
+	hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL, r);
+
+	/* TMDS_CTRL */
+	REG_FLD_MOD(core_sys_base,
+			HDMI_CORE_SYS_TMDS_CTRL, cfg->tclk_sel_clkmult, 6, 5);
+}
+
+static void hdmi_core_aux_infoframe_avi_config(struct hdmi_ip_data *ip_data)
+{
+	u32 val;
+	char sum = 0, checksum = 0;
+	void __iomem *av_base = hdmi_av_base(ip_data);
+	struct hdmi_core_infoframe_avi info_avi = ip_data->avi_cfg;
+
+	sum += 0x82 + 0x002 + 0x00D;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_TYPE, 0x082);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_VERS, 0x002);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_LEN, 0x00D);
+
+	val = (info_avi.db1_format << 5) |
+		(info_avi.db1_active_info << 4) |
+		(info_avi.db1_bar_info_dv << 2) |
+		(info_avi.db1_scan_info);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(0), val);
+	sum += val;
+
+	val = (info_avi.db2_colorimetry << 6) |
+		(info_avi.db2_aspect_ratio << 4) |
+		(info_avi.db2_active_fmt_ar);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(1), val);
+	sum += val;
+
+	val = (info_avi.db3_itc << 7) |
+		(info_avi.db3_ec << 4) |
+		(info_avi.db3_q_range << 2) |
+		(info_avi.db3_nup_scaling);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(2), val);
+	sum += val;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(3),
+					info_avi.db4_videocode);
+	sum += info_avi.db4_videocode;
+
+	val = info_avi.db5_pixel_repeat;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(4), val);
+	sum += val;
+
+	val = info_avi.db6_7_line_eoftop & 0x00FF;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(5), val);
+	sum += val;
+
+	val = ((info_avi.db6_7_line_eoftop >> 8) & 0x00FF);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(6), val);
+	sum += val;
+
+	val = info_avi.db8_9_line_sofbottom & 0x00FF;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(7), val);
+	sum += val;
+
+	val = ((info_avi.db8_9_line_sofbottom >> 8) & 0x00FF);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(8), val);
+	sum += val;
+
+	val = info_avi.db10_11_pixel_eofleft & 0x00FF;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(9), val);
+	sum += val;
+
+	val = ((info_avi.db10_11_pixel_eofleft >> 8) & 0x00FF);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(10), val);
+	sum += val;
+
+	val = info_avi.db12_13_pixel_sofright & 0x00FF;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(11), val);
+	sum += val;
+
+	val = ((info_avi.db12_13_pixel_sofright >> 8) & 0x00FF);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(12), val);
+	sum += val;
+
+	checksum = 0x100 - sum;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_CHSUM, checksum);
+}
+
+static void hdmi_core_av_packet_config(struct hdmi_ip_data *ip_data,
+		struct hdmi_core_packet_enable_repeat repeat_cfg)
+{
+	/* enable/repeat the infoframe */
+	hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL1,
+		(repeat_cfg.audio_pkt << 5) |
+		(repeat_cfg.audio_pkt_repeat << 4) |
+		(repeat_cfg.avi_infoframe << 1) |
+		(repeat_cfg.avi_infoframe_repeat));
+
+	/* enable/repeat the packet */
+	hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL2,
+		(repeat_cfg.gen_cntrl_pkt << 3) |
+		(repeat_cfg.gen_cntrl_pkt_repeat << 2) |
+		(repeat_cfg.generic_pkt << 1) |
+		(repeat_cfg.generic_pkt_repeat));
+}
+
+static void hdmi_wp_init(struct omap_video_timings *timings,
+			struct hdmi_video_format *video_fmt)
+{
+	pr_debug("Enter hdmi_wp_init\n");
+
+	timings->hbp = 0;
+	timings->hfp = 0;
+	timings->hsw = 0;
+	timings->vbp = 0;
+	timings->vfp = 0;
+	timings->vsw = 0;
+
+	video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444;
+	video_fmt->y_res = 0;
+	video_fmt->x_res = 0;
+
+}
+
+void ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data, bool start)
+{
+	REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, start, 31, 31);
+}
+
+static void hdmi_wp_video_init_format(struct hdmi_video_format *video_fmt,
+	struct omap_video_timings *timings, struct hdmi_config *param)
+{
+	pr_debug("Enter hdmi_wp_video_init_format\n");
+
+	video_fmt->y_res = param->timings.y_res;
+	video_fmt->x_res = param->timings.x_res;
+
+	timings->hbp = param->timings.hbp;
+	timings->hfp = param->timings.hfp;
+	timings->hsw = param->timings.hsw;
+	timings->vbp = param->timings.vbp;
+	timings->vfp = param->timings.vfp;
+	timings->vsw = param->timings.vsw;
+}
+
+static void hdmi_wp_video_config_format(struct hdmi_ip_data *ip_data,
+		struct hdmi_video_format *video_fmt)
+{
+	u32 l = 0;
+
+	REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG,
+			video_fmt->packing_mode, 10, 8);
+
+	l |= FLD_VAL(video_fmt->y_res, 31, 16);
+	l |= FLD_VAL(video_fmt->x_res, 15, 0);
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_SIZE, l);
+}
+
+static void hdmi_wp_video_config_interface(struct hdmi_ip_data *ip_data)
+{
+	u32 r;
+	pr_debug("Enter hdmi_wp_video_config_interface\n");
+
+	r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG);
+	r = FLD_MOD(r, ip_data->cfg.timings.vsync_pol, 7, 7);
+	r = FLD_MOD(r, ip_data->cfg.timings.hsync_pol, 6, 6);
+	r = FLD_MOD(r, ip_data->cfg.timings.interlace, 3, 3);
+	r = FLD_MOD(r, 1, 1, 0); /* HDMI_TIMING_MASTER_24BIT */
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, r);
+}
+
+static void hdmi_wp_video_config_timing(struct hdmi_ip_data *ip_data,
+		struct omap_video_timings *timings)
+{
+	u32 timing_h = 0;
+	u32 timing_v = 0;
+
+	pr_debug("Enter hdmi_wp_video_config_timing\n");
+
+	timing_h |= FLD_VAL(timings->hbp, 31, 20);
+	timing_h |= FLD_VAL(timings->hfp, 19, 8);
+	timing_h |= FLD_VAL(timings->hsw, 7, 0);
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_TIMING_H, timing_h);
+
+	timing_v |= FLD_VAL(timings->vbp, 31, 20);
+	timing_v |= FLD_VAL(timings->vfp, 19, 8);
+	timing_v |= FLD_VAL(timings->vsw, 7, 0);
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_TIMING_V, timing_v);
+}
+
+void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data)
+{
+	/* HDMI */
+	struct omap_video_timings video_timing;
+	struct hdmi_video_format video_format;
+	/* HDMI core */
+	struct hdmi_core_infoframe_avi avi_cfg = ip_data->avi_cfg;
+	struct hdmi_core_video_config v_core_cfg;
+	struct hdmi_core_packet_enable_repeat repeat_cfg;
+	struct hdmi_config *cfg = &ip_data->cfg;
+
+	hdmi_wp_init(&video_timing, &video_format);
+
+	hdmi_core_init(&v_core_cfg,
+		&avi_cfg,
+		&repeat_cfg);
+
+	hdmi_wp_video_init_format(&video_format, &video_timing, cfg);
+
+	hdmi_wp_video_config_timing(ip_data, &video_timing);
+
+	/* video config */
+	video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
+
+	hdmi_wp_video_config_format(ip_data, &video_format);
+
+	hdmi_wp_video_config_interface(ip_data);
+
+	/*
+	 * configure core video part
+	 * set software reset in the core
+	 */
+	hdmi_core_swreset_assert(ip_data);
+
+	/* power down off */
+	hdmi_core_powerdown_disable(ip_data);
+
+	v_core_cfg.pkt_mode = HDMI_PACKETMODE24BITPERPIXEL;
+	v_core_cfg.hdmi_dvi = cfg->cm.mode;
+
+	hdmi_core_video_config(ip_data, &v_core_cfg);
+
+	/* release software reset in the core */
+	hdmi_core_swreset_release(ip_data);
+
+	/*
+	 * configure packet
+	 * info frame video see doc CEA861-D page 65
+	 */
+	avi_cfg.db1_format = HDMI_INFOFRAME_AVI_DB1Y_RGB;
+	avi_cfg.db1_active_info =
+		HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_OFF;
+	avi_cfg.db1_bar_info_dv = HDMI_INFOFRAME_AVI_DB1B_NO;
+	avi_cfg.db1_scan_info = HDMI_INFOFRAME_AVI_DB1S_0;
+	avi_cfg.db2_colorimetry = HDMI_INFOFRAME_AVI_DB2C_NO;
+	avi_cfg.db2_aspect_ratio = HDMI_INFOFRAME_AVI_DB2M_NO;
+	avi_cfg.db2_active_fmt_ar = HDMI_INFOFRAME_AVI_DB2R_SAME;
+	avi_cfg.db3_itc = HDMI_INFOFRAME_AVI_DB3ITC_NO;
+	avi_cfg.db3_ec = HDMI_INFOFRAME_AVI_DB3EC_XVYUV601;
+	avi_cfg.db3_q_range = HDMI_INFOFRAME_AVI_DB3Q_DEFAULT;
+	avi_cfg.db3_nup_scaling = HDMI_INFOFRAME_AVI_DB3SC_NO;
+	avi_cfg.db4_videocode = cfg->cm.code;
+	avi_cfg.db5_pixel_repeat = HDMI_INFOFRAME_AVI_DB5PR_NO;
+	avi_cfg.db6_7_line_eoftop = 0;
+	avi_cfg.db8_9_line_sofbottom = 0;
+	avi_cfg.db10_11_pixel_eofleft = 0;
+	avi_cfg.db12_13_pixel_sofright = 0;
+
+	hdmi_core_aux_infoframe_avi_config(ip_data);
+
+	/* enable/repeat the infoframe */
+	repeat_cfg.avi_infoframe = HDMI_PACKETENABLE;
+	repeat_cfg.avi_infoframe_repeat = HDMI_PACKETREPEATON;
+	/* wakeup */
+	repeat_cfg.audio_pkt = HDMI_PACKETENABLE;
+	repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON;
+	hdmi_core_av_packet_config(ip_data, repeat_cfg);
+}
+
+void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(hdmi_wp_base(ip_data), r))
+
+	DUMPREG(HDMI_WP_REVISION);
+	DUMPREG(HDMI_WP_SYSCONFIG);
+	DUMPREG(HDMI_WP_IRQSTATUS_RAW);
+	DUMPREG(HDMI_WP_IRQSTATUS);
+	DUMPREG(HDMI_WP_PWR_CTRL);
+	DUMPREG(HDMI_WP_IRQENABLE_SET);
+	DUMPREG(HDMI_WP_VIDEO_CFG);
+	DUMPREG(HDMI_WP_VIDEO_SIZE);
+	DUMPREG(HDMI_WP_VIDEO_TIMING_H);
+	DUMPREG(HDMI_WP_VIDEO_TIMING_V);
+	DUMPREG(HDMI_WP_WP_CLK);
+	DUMPREG(HDMI_WP_AUDIO_CFG);
+	DUMPREG(HDMI_WP_AUDIO_CFG2);
+	DUMPREG(HDMI_WP_AUDIO_CTRL);
+	DUMPREG(HDMI_WP_AUDIO_DATA);
+}
+
+void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+#define DUMPPLL(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(hdmi_pll_base(ip_data), r))
+
+	DUMPPLL(PLLCTRL_PLL_CONTROL);
+	DUMPPLL(PLLCTRL_PLL_STATUS);
+	DUMPPLL(PLLCTRL_PLL_GO);
+	DUMPPLL(PLLCTRL_CFG1);
+	DUMPPLL(PLLCTRL_CFG2);
+	DUMPPLL(PLLCTRL_CFG3);
+	DUMPPLL(PLLCTRL_CFG4);
+}
+
+void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+	int i;
+
+#define CORE_REG(i, name) name(i)
+#define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(hdmi_pll_base(ip_data), r))
+#define DUMPCOREAV(i, r) seq_printf(s, "%s[%d]%*s %08x\n", #r, i, \
+		(i < 10) ? 32 - strlen(#r) : 31 - strlen(#r), " ", \
+		hdmi_read_reg(hdmi_pll_base(ip_data), CORE_REG(i, r)))
+
+	DUMPCORE(HDMI_CORE_SYS_VND_IDL);
+	DUMPCORE(HDMI_CORE_SYS_DEV_IDL);
+	DUMPCORE(HDMI_CORE_SYS_DEV_IDH);
+	DUMPCORE(HDMI_CORE_SYS_DEV_REV);
+	DUMPCORE(HDMI_CORE_SYS_SRST);
+	DUMPCORE(HDMI_CORE_CTRL1);
+	DUMPCORE(HDMI_CORE_SYS_SYS_STAT);
+	DUMPCORE(HDMI_CORE_SYS_VID_ACEN);
+	DUMPCORE(HDMI_CORE_SYS_VID_MODE);
+	DUMPCORE(HDMI_CORE_SYS_INTR_STATE);
+	DUMPCORE(HDMI_CORE_SYS_INTR1);
+	DUMPCORE(HDMI_CORE_SYS_INTR2);
+	DUMPCORE(HDMI_CORE_SYS_INTR3);
+	DUMPCORE(HDMI_CORE_SYS_INTR4);
+	DUMPCORE(HDMI_CORE_SYS_UMASK1);
+	DUMPCORE(HDMI_CORE_SYS_TMDS_CTRL);
+	DUMPCORE(HDMI_CORE_SYS_DE_DLY);
+	DUMPCORE(HDMI_CORE_SYS_DE_CTRL);
+	DUMPCORE(HDMI_CORE_SYS_DE_TOP);
+	DUMPCORE(HDMI_CORE_SYS_DE_CNTL);
+	DUMPCORE(HDMI_CORE_SYS_DE_CNTH);
+	DUMPCORE(HDMI_CORE_SYS_DE_LINL);
+	DUMPCORE(HDMI_CORE_SYS_DE_LINH_1);
+
+	DUMPCORE(HDMI_CORE_DDC_CMD);
+	DUMPCORE(HDMI_CORE_DDC_STATUS);
+	DUMPCORE(HDMI_CORE_DDC_ADDR);
+	DUMPCORE(HDMI_CORE_DDC_OFFSET);
+	DUMPCORE(HDMI_CORE_DDC_COUNT1);
+	DUMPCORE(HDMI_CORE_DDC_COUNT2);
+	DUMPCORE(HDMI_CORE_DDC_DATA);
+	DUMPCORE(HDMI_CORE_DDC_SEGM);
+
+	DUMPCORE(HDMI_CORE_AV_HDMI_CTRL);
+	DUMPCORE(HDMI_CORE_AV_DPD);
+	DUMPCORE(HDMI_CORE_AV_PB_CTRL1);
+	DUMPCORE(HDMI_CORE_AV_PB_CTRL2);
+	DUMPCORE(HDMI_CORE_AV_AVI_TYPE);
+	DUMPCORE(HDMI_CORE_AV_AVI_VERS);
+	DUMPCORE(HDMI_CORE_AV_AVI_LEN);
+	DUMPCORE(HDMI_CORE_AV_AVI_CHSUM);
+
+	for (i = 0; i < HDMI_CORE_AV_AVI_DBYTE_NELEMS; i++)
+		DUMPCOREAV(i, HDMI_CORE_AV_AVI_DBYTE);
+
+	for (i = 0; i < HDMI_CORE_AV_SPD_DBYTE_NELEMS; i++)
+		DUMPCOREAV(i, HDMI_CORE_AV_SPD_DBYTE);
+
+	for (i = 0; i < HDMI_CORE_AV_AUD_DBYTE_NELEMS; i++)
+		DUMPCOREAV(i, HDMI_CORE_AV_AUD_DBYTE);
+
+	for (i = 0; i < HDMI_CORE_AV_MPEG_DBYTE_NELEMS; i++)
+		DUMPCOREAV(i, HDMI_CORE_AV_MPEG_DBYTE);
+
+	for (i = 0; i < HDMI_CORE_AV_GEN_DBYTE_NELEMS; i++)
+		DUMPCOREAV(i, HDMI_CORE_AV_GEN_DBYTE);
+
+	for (i = 0; i < HDMI_CORE_AV_GEN2_DBYTE_NELEMS; i++)
+		DUMPCOREAV(i, HDMI_CORE_AV_GEN2_DBYTE);
+
+	DUMPCORE(HDMI_CORE_AV_ACR_CTRL);
+	DUMPCORE(HDMI_CORE_AV_FREQ_SVAL);
+	DUMPCORE(HDMI_CORE_AV_N_SVAL1);
+	DUMPCORE(HDMI_CORE_AV_N_SVAL2);
+	DUMPCORE(HDMI_CORE_AV_N_SVAL3);
+	DUMPCORE(HDMI_CORE_AV_CTS_SVAL1);
+	DUMPCORE(HDMI_CORE_AV_CTS_SVAL2);
+	DUMPCORE(HDMI_CORE_AV_CTS_SVAL3);
+	DUMPCORE(HDMI_CORE_AV_CTS_HVAL1);
+	DUMPCORE(HDMI_CORE_AV_CTS_HVAL2);
+	DUMPCORE(HDMI_CORE_AV_CTS_HVAL3);
+	DUMPCORE(HDMI_CORE_AV_AUD_MODE);
+	DUMPCORE(HDMI_CORE_AV_SPDIF_CTRL);
+	DUMPCORE(HDMI_CORE_AV_HW_SPDIF_FS);
+	DUMPCORE(HDMI_CORE_AV_SWAP_I2S);
+	DUMPCORE(HDMI_CORE_AV_SPDIF_ERTH);
+	DUMPCORE(HDMI_CORE_AV_I2S_IN_MAP);
+	DUMPCORE(HDMI_CORE_AV_I2S_IN_CTRL);
+	DUMPCORE(HDMI_CORE_AV_I2S_CHST0);
+	DUMPCORE(HDMI_CORE_AV_I2S_CHST1);
+	DUMPCORE(HDMI_CORE_AV_I2S_CHST2);
+	DUMPCORE(HDMI_CORE_AV_I2S_CHST4);
+	DUMPCORE(HDMI_CORE_AV_I2S_CHST5);
+	DUMPCORE(HDMI_CORE_AV_ASRC);
+	DUMPCORE(HDMI_CORE_AV_I2S_IN_LEN);
+	DUMPCORE(HDMI_CORE_AV_HDMI_CTRL);
+	DUMPCORE(HDMI_CORE_AV_AUDO_TXSTAT);
+	DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_1);
+	DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_2);
+	DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_3);
+	DUMPCORE(HDMI_CORE_AV_TEST_TXCTRL);
+	DUMPCORE(HDMI_CORE_AV_DPD);
+	DUMPCORE(HDMI_CORE_AV_PB_CTRL1);
+	DUMPCORE(HDMI_CORE_AV_PB_CTRL2);
+	DUMPCORE(HDMI_CORE_AV_AVI_TYPE);
+	DUMPCORE(HDMI_CORE_AV_AVI_VERS);
+	DUMPCORE(HDMI_CORE_AV_AVI_LEN);
+	DUMPCORE(HDMI_CORE_AV_AVI_CHSUM);
+	DUMPCORE(HDMI_CORE_AV_SPD_TYPE);
+	DUMPCORE(HDMI_CORE_AV_SPD_VERS);
+	DUMPCORE(HDMI_CORE_AV_SPD_LEN);
+	DUMPCORE(HDMI_CORE_AV_SPD_CHSUM);
+	DUMPCORE(HDMI_CORE_AV_AUDIO_TYPE);
+	DUMPCORE(HDMI_CORE_AV_AUDIO_VERS);
+	DUMPCORE(HDMI_CORE_AV_AUDIO_LEN);
+	DUMPCORE(HDMI_CORE_AV_AUDIO_CHSUM);
+	DUMPCORE(HDMI_CORE_AV_MPEG_TYPE);
+	DUMPCORE(HDMI_CORE_AV_MPEG_VERS);
+	DUMPCORE(HDMI_CORE_AV_MPEG_LEN);
+	DUMPCORE(HDMI_CORE_AV_MPEG_CHSUM);
+	DUMPCORE(HDMI_CORE_AV_CP_BYTE1);
+	DUMPCORE(HDMI_CORE_AV_CEC_ADDR_ID);
+}
+
+void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+{
+#define DUMPPHY(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(hdmi_phy_base(ip_data), r))
+
+	DUMPPHY(HDMI_TXPHY_TX_CTRL);
+	DUMPPHY(HDMI_TXPHY_DIGITAL_CTRL);
+	DUMPPHY(HDMI_TXPHY_POWER_CTRL);
+	DUMPPHY(HDMI_TXPHY_PAD_CFG_CTRL);
+}
+
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data,
+					struct hdmi_audio_format *aud_fmt)
+{
+	u32 r;
+
+	DSSDBG("Enter hdmi_wp_audio_config_format\n");
+
+	r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG);
+	r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24);
+	r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16);
+	r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5);
+	r = FLD_MOD(r, aud_fmt->type, 4, 4);
+	r = FLD_MOD(r, aud_fmt->justification, 3, 3);
+	r = FLD_MOD(r, aud_fmt->sample_order, 2, 2);
+	r = FLD_MOD(r, aud_fmt->samples_per_word, 1, 1);
+	r = FLD_MOD(r, aud_fmt->sample_size, 0, 0);
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG, r);
+}
+
+void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data,
+					struct hdmi_audio_dma *aud_dma)
+{
+	u32 r;
+
+	DSSDBG("Enter hdmi_wp_audio_config_dma\n");
+
+	r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2);
+	r = FLD_MOD(r, aud_dma->transfer_size, 15, 8);
+	r = FLD_MOD(r, aud_dma->block_size, 7, 0);
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2, r);
+
+	r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL);
+	r = FLD_MOD(r, aud_dma->mode, 9, 9);
+	r = FLD_MOD(r, aud_dma->fifo_threshold, 8, 0);
+	hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL, r);
+}
+
+void hdmi_core_audio_config(struct hdmi_ip_data *ip_data,
+					struct hdmi_core_audio_config *cfg)
+{
+	u32 r;
+	void __iomem *av_base = hdmi_av_base(ip_data);
+
+	/*
+	 * Parameters for generation of Audio Clock Recovery packets
+	 */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0);
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0);
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0);
+
+	if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) {
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0);
+		REG_FLD_MOD(av_base,
+				HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0);
+		REG_FLD_MOD(av_base,
+				HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0);
+	} else {
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1,
+				cfg->aud_par_busclk, 7, 0);
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2,
+				(cfg->aud_par_busclk >> 8), 7, 0);
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3,
+				(cfg->aud_par_busclk >> 16), 7, 0);
+	}
+
+	/* Set ACR clock divisor */
+	REG_FLD_MOD(av_base,
+			HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0);
+
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL);
+	/*
+	 * Use TMDS clock for ACR packets. For devices that use
+	 * the MCLK, this is the first part of the MCLK initialization.
+	 */
+	r = FLD_MOD(r, 0, 2, 2);
+
+	r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1);
+	r = FLD_MOD(r, cfg->cts_mode, 0, 0);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r);
+
+	/* For devices using MCLK, this completes its initialization. */
+	if (cfg->use_mclk)
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_ACR_CTRL, 1, 2, 2);
+
+	/* Override of SPDIF sample frequency with value in I2S_CHST4 */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL,
+						cfg->fs_override, 1, 1);
+
+	/* I2S parameters */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_CHST4,
+						cfg->freq_sample, 3, 0);
+
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL);
+	r = FLD_MOD(r, cfg->i2s_cfg.en_high_bitrate_aud, 7, 7);
+	r = FLD_MOD(r, cfg->i2s_cfg.sck_edge_mode, 6, 6);
+	r = FLD_MOD(r, cfg->i2s_cfg.cbit_order, 5, 5);
+	r = FLD_MOD(r, cfg->i2s_cfg.vbit, 4, 4);
+	r = FLD_MOD(r, cfg->i2s_cfg.ws_polarity, 3, 3);
+	r = FLD_MOD(r, cfg->i2s_cfg.justification, 2, 2);
+	r = FLD_MOD(r, cfg->i2s_cfg.direction, 1, 1);
+	r = FLD_MOD(r, cfg->i2s_cfg.shift, 0, 0);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL, r);
+
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_CHST5);
+	r = FLD_MOD(r, cfg->freq_sample, 7, 4);
+	r = FLD_MOD(r, cfg->i2s_cfg.word_length, 3, 1);
+	r = FLD_MOD(r, cfg->i2s_cfg.word_max_length, 0, 0);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST5, r);
+
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_IN_LEN,
+			cfg->i2s_cfg.in_length_bits, 3, 0);
+
+	/* Audio channels and mode parameters */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_HDMI_CTRL, cfg->layout, 2, 1);
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_AUD_MODE);
+	r = FLD_MOD(r, cfg->i2s_cfg.active_sds, 7, 4);
+	r = FLD_MOD(r, cfg->en_dsd_audio, 3, 3);
+	r = FLD_MOD(r, cfg->en_parallel_aud_input, 2, 2);
+	r = FLD_MOD(r, cfg->en_spdif, 1, 1);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_MODE, r);
+}
+
+void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data,
+		struct hdmi_core_infoframe_audio *info_aud)
+{
+	u8 val;
+	u8 sum = 0, checksum = 0;
+	void __iomem *av_base = hdmi_av_base(ip_data);
+
+	/*
+	 * Set audio info frame type, version and length as
+	 * described in HDMI 1.4a Section 8.2.2 specification.
+	 * Checksum calculation is defined in Section 5.3.5.
+	 */
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_TYPE, 0x84);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_VERS, 0x01);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_LEN, 0x0a);
+	sum += 0x84 + 0x001 + 0x00a;
+
+	val = (info_aud->db1_coding_type << 4)
+			| (info_aud->db1_channel_count - 1);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(0), val);
+	sum += val;
+
+	val = (info_aud->db2_sample_freq << 2) | info_aud->db2_sample_size;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(1), val);
+	sum += val;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(2), 0x00);
+
+	val = info_aud->db4_channel_alloc;
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(3), val);
+	sum += val;
+
+	val = (info_aud->db5_downmix_inh << 7) | (info_aud->db5_lsv << 3);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(4), val);
+	sum += val;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(5), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(6), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(7), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(8), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(9), 0x00);
+
+	checksum = 0x100 - sum;
+	hdmi_write_reg(av_base,
+					HDMI_CORE_AV_AUDIO_CHSUM, checksum);
+
+	/*
+	 * TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing
+	 * is available.
+	 */
+}
+
+int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data,
+				u32 sample_freq, u32 *n, u32 *cts)
+{
+	u32 r;
+	u32 deep_color = 0;
+	u32 pclk = ip_data->cfg.timings.pixel_clock;
+
+	if (n == NULL || cts == NULL)
+		return -EINVAL;
+	/*
+	 * Obtain current deep color configuration. This needed
+	 * to calculate the TMDS clock based on the pixel clock.
+	 */
+	r = REG_GET(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, 1, 0);
+	switch (r) {
+	case 1: /* No deep color selected */
+		deep_color = 100;
+		break;
+	case 2: /* 10-bit deep color selected */
+		deep_color = 125;
+		break;
+	case 3: /* 12-bit deep color selected */
+		deep_color = 150;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (sample_freq) {
+	case 32000:
+		if ((deep_color == 125) && ((pclk == 54054)
+				|| (pclk == 74250)))
+			*n = 8192;
+		else
+			*n = 4096;
+		break;
+	case 44100:
+		*n = 6272;
+		break;
+	case 48000:
+		if ((deep_color == 125) && ((pclk == 54054)
+				|| (pclk == 74250)))
+			*n = 8192;
+		else
+			*n = 6144;
+		break;
+	default:
+		*n = 0;
+		return -EINVAL;
+	}
+
+	/* Calculate CTS. See HDMI 1.3a or 1.4a specifications */
+	*cts = pclk * (*n / 128) * deep_color / (sample_freq / 10);
+
+	return 0;
+}
+
+void ti_hdmi_4xxx_wp_audio_enable(struct hdmi_ip_data *ip_data, bool enable)
+{
+	REG_FLD_MOD(hdmi_av_base(ip_data),
+				HDMI_CORE_AV_AUD_MODE, enable, 0, 0);
+	REG_FLD_MOD(hdmi_wp_base(ip_data),
+				HDMI_WP_AUDIO_CTRL, enable, 31, 31);
+	REG_FLD_MOD(hdmi_wp_base(ip_data),
+				HDMI_WP_AUDIO_CTRL, enable, 30, 30);
+}
+#endif
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h
new file mode 100644
index 00000000..a14d1a0e
--- /dev/null
+++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.h
@@ -0,0 +1,543 @@
+/*
+ * ti_hdmi_4xxx_ip.h
+ *
+ * HDMI header definition for DM81xx, DM38xx, TI OMAP4 etc processors.
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _HDMI_TI_4xxx_H_
+#define _HDMI_TI_4xxx_H_
+
+#include <linux/string.h>
+#include <video/omapdss.h>
+#include "ti_hdmi.h"
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#endif
+
+/* HDMI Wrapper */
+
+#define HDMI_WP_REVISION			0x0
+#define HDMI_WP_SYSCONFIG			0x10
+#define HDMI_WP_IRQSTATUS_RAW			0x24
+#define HDMI_WP_IRQSTATUS			0x28
+#define HDMI_WP_PWR_CTRL			0x40
+#define HDMI_WP_IRQENABLE_SET			0x2C
+#define HDMI_WP_VIDEO_CFG			0x50
+#define HDMI_WP_VIDEO_SIZE			0x60
+#define HDMI_WP_VIDEO_TIMING_H			0x68
+#define HDMI_WP_VIDEO_TIMING_V			0x6C
+#define HDMI_WP_WP_CLK				0x70
+#define HDMI_WP_AUDIO_CFG			0x80
+#define HDMI_WP_AUDIO_CFG2			0x84
+#define HDMI_WP_AUDIO_CTRL			0x88
+#define HDMI_WP_AUDIO_DATA			0x8C
+
+/* HDMI IP Core System */
+
+#define HDMI_CORE_SYS_VND_IDL			0x0
+#define HDMI_CORE_SYS_DEV_IDL			0x8
+#define HDMI_CORE_SYS_DEV_IDH			0xC
+#define HDMI_CORE_SYS_DEV_REV			0x10
+#define HDMI_CORE_SYS_SRST			0x14
+#define HDMI_CORE_CTRL1				0x20
+#define HDMI_CORE_SYS_SYS_STAT			0x24
+#define HDMI_CORE_SYS_VID_ACEN			0x124
+#define HDMI_CORE_SYS_VID_MODE			0x128
+#define HDMI_CORE_SYS_INTR_STATE		0x1C0
+#define HDMI_CORE_SYS_INTR1			0x1C4
+#define HDMI_CORE_SYS_INTR2			0x1C8
+#define HDMI_CORE_SYS_INTR3			0x1CC
+#define HDMI_CORE_SYS_INTR4			0x1D0
+#define HDMI_CORE_SYS_UMASK1			0x1D4
+#define HDMI_CORE_SYS_TMDS_CTRL			0x208
+#define HDMI_CORE_SYS_DE_DLY			0xC8
+#define HDMI_CORE_SYS_DE_CTRL			0xCC
+#define HDMI_CORE_SYS_DE_TOP			0xD0
+#define HDMI_CORE_SYS_DE_CNTL			0xD8
+#define HDMI_CORE_SYS_DE_CNTH			0xDC
+#define HDMI_CORE_SYS_DE_LINL			0xE0
+#define HDMI_CORE_SYS_DE_LINH_1			0xE4
+#define HDMI_CORE_CTRL1_VEN_FOLLOWVSYNC	0x1
+#define HDMI_CORE_CTRL1_HEN_FOLLOWHSYNC	0x1
+#define HDMI_CORE_CTRL1_BSEL_24BITBUS		0x1
+#define HDMI_CORE_CTRL1_EDGE_RISINGEDGE	0x1
+
+/* HDMI DDC E-DID */
+#define HDMI_CORE_DDC_CMD			0x3CC
+#define HDMI_CORE_DDC_STATUS			0x3C8
+#define HDMI_CORE_DDC_ADDR			0x3B4
+#define HDMI_CORE_DDC_OFFSET			0x3BC
+#define HDMI_CORE_DDC_COUNT1			0x3C0
+#define HDMI_CORE_DDC_COUNT2			0x3C4
+#define HDMI_CORE_DDC_DATA			0x3D0
+#define HDMI_CORE_DDC_SEGM			0x3B8
+
+/* HDMI IP Core Audio Video */
+
+#define HDMI_CORE_AV_HDMI_CTRL			0xBC
+#define HDMI_CORE_AV_DPD			0xF4
+#define HDMI_CORE_AV_PB_CTRL1			0xF8
+#define HDMI_CORE_AV_PB_CTRL2			0xFC
+#define HDMI_CORE_AV_AVI_TYPE			0x100
+#define HDMI_CORE_AV_AVI_VERS			0x104
+#define HDMI_CORE_AV_AVI_LEN			0x108
+#define HDMI_CORE_AV_AVI_CHSUM			0x10C
+#define HDMI_CORE_AV_AVI_DBYTE(n)		(n * 4 + 0x110)
+#define HDMI_CORE_AV_AVI_DBYTE_NELEMS		15
+#define HDMI_CORE_AV_SPD_DBYTE(n)		(n * 4 + 0x190)
+#define HDMI_CORE_AV_SPD_DBYTE_NELEMS		27
+#define HDMI_CORE_AV_AUD_DBYTE(n)		(n * 4 + 0x210)
+#define HDMI_CORE_AV_AUD_DBYTE_NELEMS		10
+#define HDMI_CORE_AV_MPEG_DBYTE(n)		(n * 4 + 0x290)
+#define HDMI_CORE_AV_MPEG_DBYTE_NELEMS		27
+#define HDMI_CORE_AV_GEN_DBYTE(n)		(n * 4 + 0x300)
+#define HDMI_CORE_AV_GEN_DBYTE_NELEMS		31
+#define HDMI_CORE_AV_GEN2_DBYTE(n)		(n * 4 + 0x380)
+#define HDMI_CORE_AV_GEN2_DBYTE_NELEMS		31
+#define HDMI_CORE_AV_ACR_CTRL			0x4
+#define HDMI_CORE_AV_FREQ_SVAL			0x8
+#define HDMI_CORE_AV_N_SVAL1			0xC
+#define HDMI_CORE_AV_N_SVAL2			0x10
+#define HDMI_CORE_AV_N_SVAL3			0x14
+#define HDMI_CORE_AV_CTS_SVAL1			0x18
+#define HDMI_CORE_AV_CTS_SVAL2			0x1C
+#define HDMI_CORE_AV_CTS_SVAL3			0x20
+#define HDMI_CORE_AV_CTS_HVAL1			0x24
+#define HDMI_CORE_AV_CTS_HVAL2			0x28
+#define HDMI_CORE_AV_CTS_HVAL3			0x2C
+#define HDMI_CORE_AV_AUD_MODE			0x50
+#define HDMI_CORE_AV_SPDIF_CTRL			0x54
+#define HDMI_CORE_AV_HW_SPDIF_FS		0x60
+#define HDMI_CORE_AV_SWAP_I2S			0x64
+#define HDMI_CORE_AV_SPDIF_ERTH			0x6C
+#define HDMI_CORE_AV_I2S_IN_MAP			0x70
+#define HDMI_CORE_AV_I2S_IN_CTRL		0x74
+#define HDMI_CORE_AV_I2S_CHST0			0x78
+#define HDMI_CORE_AV_I2S_CHST1			0x7C
+#define HDMI_CORE_AV_I2S_CHST2			0x80
+#define HDMI_CORE_AV_I2S_CHST4			0x84
+#define HDMI_CORE_AV_I2S_CHST5			0x88
+#define HDMI_CORE_AV_ASRC			0x8C
+#define HDMI_CORE_AV_I2S_IN_LEN			0x90
+#define HDMI_CORE_AV_HDMI_CTRL			0xBC
+#define HDMI_CORE_AV_AUDO_TXSTAT		0xC0
+#define HDMI_CORE_AV_AUD_PAR_BUSCLK_1		0xCC
+#define HDMI_CORE_AV_AUD_PAR_BUSCLK_2		0xD0
+#define HDMI_CORE_AV_AUD_PAR_BUSCLK_3		0xD4
+#define HDMI_CORE_AV_TEST_TXCTRL		0xF0
+#define HDMI_CORE_AV_DPD			0xF4
+#define HDMI_CORE_AV_PB_CTRL1			0xF8
+#define HDMI_CORE_AV_PB_CTRL2			0xFC
+#define HDMI_CORE_AV_AVI_TYPE			0x100
+#define HDMI_CORE_AV_AVI_VERS			0x104
+#define HDMI_CORE_AV_AVI_LEN			0x108
+#define HDMI_CORE_AV_AVI_CHSUM			0x10C
+#define HDMI_CORE_AV_SPD_TYPE			0x180
+#define HDMI_CORE_AV_SPD_VERS			0x184
+#define HDMI_CORE_AV_SPD_LEN			0x188
+#define HDMI_CORE_AV_SPD_CHSUM			0x18C
+#define HDMI_CORE_AV_AUDIO_TYPE			0x200
+#define HDMI_CORE_AV_AUDIO_VERS			0x204
+#define HDMI_CORE_AV_AUDIO_LEN			0x208
+#define HDMI_CORE_AV_AUDIO_CHSUM		0x20C
+#define HDMI_CORE_AV_MPEG_TYPE			0x280
+#define HDMI_CORE_AV_MPEG_VERS			0x284
+#define HDMI_CORE_AV_MPEG_LEN			0x288
+#define HDMI_CORE_AV_MPEG_CHSUM			0x28C
+#define HDMI_CORE_AV_CP_BYTE1			0x37C
+#define HDMI_CORE_AV_CEC_ADDR_ID		0x3FC
+#define HDMI_CORE_AV_SPD_DBYTE_ELSIZE		0x4
+#define HDMI_CORE_AV_GEN2_DBYTE_ELSIZE		0x4
+#define HDMI_CORE_AV_MPEG_DBYTE_ELSIZE		0x4
+#define HDMI_CORE_AV_GEN_DBYTE_ELSIZE		0x4
+
+/* PLL */
+
+#define PLLCTRL_PLL_CONTROL			0x0
+#define PLLCTRL_PLL_STATUS			0x4
+#define PLLCTRL_PLL_GO				0x8
+#define PLLCTRL_CFG1				0xC
+#define PLLCTRL_CFG2				0x10
+#define PLLCTRL_CFG3				0x14
+#define PLLCTRL_CFG4				0x20
+
+/* HDMI PHY */
+
+#define HDMI_TXPHY_TX_CTRL			0x0
+#define HDMI_TXPHY_DIGITAL_CTRL			0x4
+#define HDMI_TXPHY_POWER_CTRL			0x8
+#define HDMI_TXPHY_PAD_CFG_CTRL			0xC
+
+#define REG_FLD_MOD(base, idx, val, start, end) \
+	hdmi_write_reg(base, idx, FLD_MOD(hdmi_read_reg(base, idx),\
+							val, start, end))
+#define REG_GET(base, idx, start, end) \
+	FLD_GET(hdmi_read_reg(base, idx), start, end)
+
+enum hdmi_phy_pwr {
+	HDMI_PHYPWRCMD_OFF = 0,
+	HDMI_PHYPWRCMD_LDOON = 1,
+	HDMI_PHYPWRCMD_TXON = 2
+};
+
+enum hdmi_core_inputbus_width {
+	HDMI_INPUT_8BIT = 0,
+	HDMI_INPUT_10BIT = 1,
+	HDMI_INPUT_12BIT = 2
+};
+
+enum hdmi_core_dither_trunc {
+	HDMI_OUTPUTTRUNCATION_8BIT = 0,
+	HDMI_OUTPUTTRUNCATION_10BIT = 1,
+	HDMI_OUTPUTTRUNCATION_12BIT = 2,
+	HDMI_OUTPUTDITHER_8BIT = 3,
+	HDMI_OUTPUTDITHER_10BIT = 4,
+	HDMI_OUTPUTDITHER_12BIT = 5
+};
+
+enum hdmi_core_deepcolor_ed {
+	HDMI_DEEPCOLORPACKECTDISABLE = 0,
+	HDMI_DEEPCOLORPACKECTENABLE = 1
+};
+
+enum hdmi_core_packet_mode {
+	HDMI_PACKETMODERESERVEDVALUE = 0,
+	HDMI_PACKETMODE24BITPERPIXEL = 4,
+	HDMI_PACKETMODE30BITPERPIXEL = 5,
+	HDMI_PACKETMODE36BITPERPIXEL = 6,
+	HDMI_PACKETMODE48BITPERPIXEL = 7
+};
+
+enum hdmi_core_tclkselclkmult {
+	HDMI_FPLL05IDCK = 0,
+	HDMI_FPLL10IDCK = 1,
+	HDMI_FPLL20IDCK = 2,
+	HDMI_FPLL40IDCK = 3
+};
+
+enum hdmi_core_packet_ctrl {
+	HDMI_PACKETENABLE = 1,
+	HDMI_PACKETDISABLE = 0,
+	HDMI_PACKETREPEATON = 1,
+	HDMI_PACKETREPEATOFF = 0
+};
+
+/* INFOFRAME_AVI_ and INFOFRAME_AUDIO_ definitions */
+enum hdmi_core_infoframe {
+	HDMI_INFOFRAME_AVI_DB1Y_RGB = 0,
+	HDMI_INFOFRAME_AVI_DB1Y_YUV422 = 1,
+	HDMI_INFOFRAME_AVI_DB1Y_YUV444 = 2,
+	HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_OFF = 0,
+	HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_ON =  1,
+	HDMI_INFOFRAME_AVI_DB1B_NO = 0,
+	HDMI_INFOFRAME_AVI_DB1B_VERT = 1,
+	HDMI_INFOFRAME_AVI_DB1B_HORI = 2,
+	HDMI_INFOFRAME_AVI_DB1B_VERTHORI = 3,
+	HDMI_INFOFRAME_AVI_DB1S_0 = 0,
+	HDMI_INFOFRAME_AVI_DB1S_1 = 1,
+	HDMI_INFOFRAME_AVI_DB1S_2 = 2,
+	HDMI_INFOFRAME_AVI_DB2C_NO = 0,
+	HDMI_INFOFRAME_AVI_DB2C_ITU601 = 1,
+	HDMI_INFOFRAME_AVI_DB2C_ITU709 = 2,
+	HDMI_INFOFRAME_AVI_DB2C_EC_EXTENDED = 3,
+	HDMI_INFOFRAME_AVI_DB2M_NO = 0,
+	HDMI_INFOFRAME_AVI_DB2M_43 = 1,
+	HDMI_INFOFRAME_AVI_DB2M_169 = 2,
+	HDMI_INFOFRAME_AVI_DB2R_SAME = 8,
+	HDMI_INFOFRAME_AVI_DB2R_43 = 9,
+	HDMI_INFOFRAME_AVI_DB2R_169 = 10,
+	HDMI_INFOFRAME_AVI_DB2R_149 = 11,
+	HDMI_INFOFRAME_AVI_DB3ITC_NO = 0,
+	HDMI_INFOFRAME_AVI_DB3ITC_YES = 1,
+	HDMI_INFOFRAME_AVI_DB3EC_XVYUV601 = 0,
+	HDMI_INFOFRAME_AVI_DB3EC_XVYUV709 = 1,
+	HDMI_INFOFRAME_AVI_DB3Q_DEFAULT = 0,
+	HDMI_INFOFRAME_AVI_DB3Q_LR = 1,
+	HDMI_INFOFRAME_AVI_DB3Q_FR = 2,
+	HDMI_INFOFRAME_AVI_DB3SC_NO = 0,
+	HDMI_INFOFRAME_AVI_DB3SC_HORI = 1,
+	HDMI_INFOFRAME_AVI_DB3SC_VERT = 2,
+	HDMI_INFOFRAME_AVI_DB3SC_HORIVERT = 3,
+	HDMI_INFOFRAME_AVI_DB5PR_NO = 0,
+	HDMI_INFOFRAME_AVI_DB5PR_2 = 1,
+	HDMI_INFOFRAME_AVI_DB5PR_3 = 2,
+	HDMI_INFOFRAME_AVI_DB5PR_4 = 3,
+	HDMI_INFOFRAME_AVI_DB5PR_5 = 4,
+	HDMI_INFOFRAME_AVI_DB5PR_6 = 5,
+	HDMI_INFOFRAME_AVI_DB5PR_7 = 6,
+	HDMI_INFOFRAME_AVI_DB5PR_8 = 7,
+	HDMI_INFOFRAME_AVI_DB5PR_9 = 8,
+	HDMI_INFOFRAME_AVI_DB5PR_10 = 9,
+	HDMI_INFOFRAME_AUDIO_DB1CT_FROM_STREAM = 0,
+	HDMI_INFOFRAME_AUDIO_DB1CT_IEC60958 = 1,
+	HDMI_INFOFRAME_AUDIO_DB1CT_AC3 = 2,
+	HDMI_INFOFRAME_AUDIO_DB1CT_MPEG1 = 3,
+	HDMI_INFOFRAME_AUDIO_DB1CT_MP3 = 4,
+	HDMI_INFOFRAME_AUDIO_DB1CT_MPEG2_MULTICH = 5,
+	HDMI_INFOFRAME_AUDIO_DB1CT_AAC = 6,
+	HDMI_INFOFRAME_AUDIO_DB1CT_DTS = 7,
+	HDMI_INFOFRAME_AUDIO_DB1CT_ATRAC = 8,
+	HDMI_INFOFRAME_AUDIO_DB1CT_ONEBIT = 9,
+	HDMI_INFOFRAME_AUDIO_DB1CT_DOLBY_DIGITAL_PLUS = 10,
+	HDMI_INFOFRAME_AUDIO_DB1CT_DTS_HD = 11,
+	HDMI_INFOFRAME_AUDIO_DB1CT_MAT = 12,
+	HDMI_INFOFRAME_AUDIO_DB1CT_DST = 13,
+	HDMI_INFOFRAME_AUDIO_DB1CT_WMA_PRO = 14,
+	HDMI_INFOFRAME_AUDIO_DB2SF_FROM_STREAM = 0,
+	HDMI_INFOFRAME_AUDIO_DB2SF_32000 = 1,
+	HDMI_INFOFRAME_AUDIO_DB2SF_44100 = 2,
+	HDMI_INFOFRAME_AUDIO_DB2SF_48000 = 3,
+	HDMI_INFOFRAME_AUDIO_DB2SF_88200 = 4,
+	HDMI_INFOFRAME_AUDIO_DB2SF_96000 = 5,
+	HDMI_INFOFRAME_AUDIO_DB2SF_176400 = 6,
+	HDMI_INFOFRAME_AUDIO_DB2SF_192000 = 7,
+	HDMI_INFOFRAME_AUDIO_DB2SS_FROM_STREAM = 0,
+	HDMI_INFOFRAME_AUDIO_DB2SS_16BIT = 1,
+	HDMI_INFOFRAME_AUDIO_DB2SS_20BIT = 2,
+	HDMI_INFOFRAME_AUDIO_DB2SS_24BIT = 3,
+	HDMI_INFOFRAME_AUDIO_DB5_DM_INH_PERMITTED = 0,
+	HDMI_INFOFRAME_AUDIO_DB5_DM_INH_PROHIBITED = 1
+};
+
+enum hdmi_packing_mode {
+	HDMI_PACK_10b_RGB_YUV444 = 0,
+	HDMI_PACK_24b_RGB_YUV444_YUV422 = 1,
+	HDMI_PACK_20b_YUV422 = 2,
+	HDMI_PACK_ALREADYPACKED = 7
+};
+
+enum hdmi_core_audio_sample_freq {
+	HDMI_AUDIO_FS_32000 = 0x3,
+	HDMI_AUDIO_FS_44100 = 0x0,
+	HDMI_AUDIO_FS_48000 = 0x2,
+	HDMI_AUDIO_FS_88200 = 0x8,
+	HDMI_AUDIO_FS_96000 = 0xA,
+	HDMI_AUDIO_FS_176400 = 0xC,
+	HDMI_AUDIO_FS_192000 = 0xE,
+	HDMI_AUDIO_FS_NOT_INDICATED = 0x1
+};
+
+enum hdmi_core_audio_layout {
+	HDMI_AUDIO_LAYOUT_2CH = 0,
+	HDMI_AUDIO_LAYOUT_8CH = 1
+};
+
+enum hdmi_core_cts_mode {
+	HDMI_AUDIO_CTS_MODE_HW = 0,
+	HDMI_AUDIO_CTS_MODE_SW = 1
+};
+
+enum hdmi_stereo_channels {
+	HDMI_AUDIO_STEREO_NOCHANNELS = 0,
+	HDMI_AUDIO_STEREO_ONECHANNEL = 1,
+	HDMI_AUDIO_STEREO_TWOCHANNELS = 2,
+	HDMI_AUDIO_STEREO_THREECHANNELS = 3,
+	HDMI_AUDIO_STEREO_FOURCHANNELS = 4
+};
+
+enum hdmi_audio_type {
+	HDMI_AUDIO_TYPE_LPCM = 0,
+	HDMI_AUDIO_TYPE_IEC = 1
+};
+
+enum hdmi_audio_justify {
+	HDMI_AUDIO_JUSTIFY_LEFT = 0,
+	HDMI_AUDIO_JUSTIFY_RIGHT = 1
+};
+
+enum hdmi_audio_sample_order {
+	HDMI_AUDIO_SAMPLE_RIGHT_FIRST = 0,
+	HDMI_AUDIO_SAMPLE_LEFT_FIRST = 1
+};
+
+enum hdmi_audio_samples_perword {
+	HDMI_AUDIO_ONEWORD_ONESAMPLE = 0,
+	HDMI_AUDIO_ONEWORD_TWOSAMPLES = 1
+};
+
+enum hdmi_audio_sample_size {
+	HDMI_AUDIO_SAMPLE_16BITS = 0,
+	HDMI_AUDIO_SAMPLE_24BITS = 1
+};
+
+enum hdmi_audio_transf_mode {
+	HDMI_AUDIO_TRANSF_DMA = 0,
+	HDMI_AUDIO_TRANSF_IRQ = 1
+};
+
+enum hdmi_audio_blk_strt_end_sig {
+	HDMI_AUDIO_BLOCK_SIG_STARTEND_ON = 0,
+	HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF = 1
+};
+
+enum hdmi_audio_i2s_config {
+	HDMI_AUDIO_I2S_WS_POLARITY_LOW_IS_LEFT = 0,
+	HDMI_AUDIO_I2S_WS_POLARIT_YLOW_IS_RIGHT = 1,
+	HDMI_AUDIO_I2S_MSB_SHIFTED_FIRST = 0,
+	HDMI_AUDIO_I2S_LSB_SHIFTED_FIRST = 1,
+	HDMI_AUDIO_I2S_MAX_WORD_20BITS = 0,
+	HDMI_AUDIO_I2S_MAX_WORD_24BITS = 1,
+	HDMI_AUDIO_I2S_CHST_WORD_NOT_SPECIFIED = 0,
+	HDMI_AUDIO_I2S_CHST_WORD_16_BITS = 1,
+	HDMI_AUDIO_I2S_CHST_WORD_17_BITS = 6,
+	HDMI_AUDIO_I2S_CHST_WORD_18_BITS = 2,
+	HDMI_AUDIO_I2S_CHST_WORD_19_BITS = 4,
+	HDMI_AUDIO_I2S_CHST_WORD_20_BITS_20MAX = 5,
+	HDMI_AUDIO_I2S_CHST_WORD_20_BITS_24MAX = 1,
+	HDMI_AUDIO_I2S_CHST_WORD_21_BITS = 6,
+	HDMI_AUDIO_I2S_CHST_WORD_22_BITS = 2,
+	HDMI_AUDIO_I2S_CHST_WORD_23_BITS = 4,
+	HDMI_AUDIO_I2S_CHST_WORD_24_BITS = 5,
+	HDMI_AUDIO_I2S_SCK_EDGE_FALLING = 0,
+	HDMI_AUDIO_I2S_SCK_EDGE_RISING = 1,
+	HDMI_AUDIO_I2S_VBIT_FOR_PCM = 0,
+	HDMI_AUDIO_I2S_VBIT_FOR_COMPRESSED = 1,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_NA = 0,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_16 = 2,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_17 = 12,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_18 = 4,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_19 = 8,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_20 = 10,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_21 = 13,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_22 = 5,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_23 = 9,
+	HDMI_AUDIO_I2S_INPUT_LENGTH_24 = 11,
+	HDMI_AUDIO_I2S_FIRST_BIT_SHIFT = 0,
+	HDMI_AUDIO_I2S_FIRST_BIT_NO_SHIFT = 1,
+	HDMI_AUDIO_I2S_SD0_EN = 1,
+	HDMI_AUDIO_I2S_SD1_EN = 1 << 1,
+	HDMI_AUDIO_I2S_SD2_EN = 1 << 2,
+	HDMI_AUDIO_I2S_SD3_EN = 1 << 3,
+};
+
+enum hdmi_audio_mclk_mode {
+	HDMI_AUDIO_MCLK_128FS = 0,
+	HDMI_AUDIO_MCLK_256FS = 1,
+	HDMI_AUDIO_MCLK_384FS = 2,
+	HDMI_AUDIO_MCLK_512FS = 3,
+	HDMI_AUDIO_MCLK_768FS = 4,
+	HDMI_AUDIO_MCLK_1024FS = 5,
+	HDMI_AUDIO_MCLK_1152FS = 6,
+	HDMI_AUDIO_MCLK_192FS = 7
+};
+
+struct hdmi_core_video_config {
+	enum hdmi_core_inputbus_width	ip_bus_width;
+	enum hdmi_core_dither_trunc	op_dither_truc;
+	enum hdmi_core_deepcolor_ed	deep_color_pkt;
+	enum hdmi_core_packet_mode	pkt_mode;
+	enum hdmi_core_hdmi_dvi		hdmi_dvi;
+	enum hdmi_core_tclkselclkmult	tclk_sel_clkmult;
+};
+
+/*
+ * Refer to section 8.2 in HDMI 1.3 specification for
+ * details about infoframe databytes
+ */
+struct hdmi_core_infoframe_audio {
+	u8 db1_coding_type;
+	u8 db1_channel_count;
+	u8 db2_sample_freq;
+	u8 db2_sample_size;
+	u8 db4_channel_alloc;
+	bool db5_downmix_inh;
+	u8 db5_lsv;	/* Level shift values for downmix */
+};
+
+struct hdmi_core_packet_enable_repeat {
+	u32	audio_pkt;
+	u32	audio_pkt_repeat;
+	u32	avi_infoframe;
+	u32	avi_infoframe_repeat;
+	u32	gen_cntrl_pkt;
+	u32	gen_cntrl_pkt_repeat;
+	u32	generic_pkt;
+	u32	generic_pkt_repeat;
+};
+
+struct hdmi_video_format {
+	enum hdmi_packing_mode	packing_mode;
+	u32			y_res;	/* Line per panel */
+	u32			x_res;	/* pixel per line */
+};
+
+struct hdmi_audio_format {
+	enum hdmi_stereo_channels		stereo_channels;
+	u8					active_chnnls_msk;
+	enum hdmi_audio_type			type;
+	enum hdmi_audio_justify			justification;
+	enum hdmi_audio_sample_order		sample_order;
+	enum hdmi_audio_samples_perword		samples_per_word;
+	enum hdmi_audio_sample_size		sample_size;
+	enum hdmi_audio_blk_strt_end_sig	en_sig_blk_strt_end;
+};
+
+struct hdmi_audio_dma {
+	u8				transfer_size;
+	u8				block_size;
+	enum hdmi_audio_transf_mode	mode;
+	u16				fifo_threshold;
+};
+
+struct hdmi_core_audio_i2s_config {
+	u8 word_max_length;
+	u8 word_length;
+	u8 in_length_bits;
+	u8 justification;
+	u8 en_high_bitrate_aud;
+	u8 sck_edge_mode;
+	u8 cbit_order;
+	u8 vbit;
+	u8 ws_polarity;
+	u8 direction;
+	u8 shift;
+	u8 active_sds;
+};
+
+struct hdmi_core_audio_config {
+	struct hdmi_core_audio_i2s_config	i2s_cfg;
+	enum hdmi_core_audio_sample_freq	freq_sample;
+	bool					fs_override;
+	u32					n;
+	u32					cts;
+	u32					aud_par_busclk;
+	enum hdmi_core_audio_layout		layout;
+	enum hdmi_core_cts_mode			cts_mode;
+	bool					use_mclk;
+	enum hdmi_audio_mclk_mode		mclk_mode;
+	bool					en_acr_pkt;
+	bool					en_dsd_audio;
+	bool					en_parallel_aud_input;
+	bool					en_spdif;
+};
+
+#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
+	defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
+int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data,
+				u32 sample_freq, u32 *n, u32 *cts);
+void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data,
+		struct hdmi_core_infoframe_audio *info_aud);
+void hdmi_core_audio_config(struct hdmi_ip_data *ip_data,
+					struct hdmi_core_audio_config *cfg);
+void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data,
+					struct hdmi_audio_dma *aud_dma);
+void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data,
+					struct hdmi_audio_format *aud_fmt);
+#endif
+#endif
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
new file mode 100644
index 00000000..9c3daf71
--- /dev/null
+++ b/drivers/video/omap2/dss/venc.c
@@ -0,0 +1,913 @@
+/*
+ * linux/drivers/video/omap2/dss/venc.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * VENC settings from TI's DSS driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "VENC"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/seq_file.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/pm_runtime.h>
+
+#include <video/omapdss.h>
+#include <plat/cpu.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/* Venc registers */
+#define VENC_REV_ID				0x00
+#define VENC_STATUS				0x04
+#define VENC_F_CONTROL				0x08
+#define VENC_VIDOUT_CTRL			0x10
+#define VENC_SYNC_CTRL				0x14
+#define VENC_LLEN				0x1C
+#define VENC_FLENS				0x20
+#define VENC_HFLTR_CTRL				0x24
+#define VENC_CC_CARR_WSS_CARR			0x28
+#define VENC_C_PHASE				0x2C
+#define VENC_GAIN_U				0x30
+#define VENC_GAIN_V				0x34
+#define VENC_GAIN_Y				0x38
+#define VENC_BLACK_LEVEL			0x3C
+#define VENC_BLANK_LEVEL			0x40
+#define VENC_X_COLOR				0x44
+#define VENC_M_CONTROL				0x48
+#define VENC_BSTAMP_WSS_DATA			0x4C
+#define VENC_S_CARR				0x50
+#define VENC_LINE21				0x54
+#define VENC_LN_SEL				0x58
+#define VENC_L21__WC_CTL			0x5C
+#define VENC_HTRIGGER_VTRIGGER			0x60
+#define VENC_SAVID__EAVID			0x64
+#define VENC_FLEN__FAL				0x68
+#define VENC_LAL__PHASE_RESET			0x6C
+#define VENC_HS_INT_START_STOP_X		0x70
+#define VENC_HS_EXT_START_STOP_X		0x74
+#define VENC_VS_INT_START_X			0x78
+#define VENC_VS_INT_STOP_X__VS_INT_START_Y	0x7C
+#define VENC_VS_INT_STOP_Y__VS_EXT_START_X	0x80
+#define VENC_VS_EXT_STOP_X__VS_EXT_START_Y	0x84
+#define VENC_VS_EXT_STOP_Y			0x88
+#define VENC_AVID_START_STOP_X			0x90
+#define VENC_AVID_START_STOP_Y			0x94
+#define VENC_FID_INT_START_X__FID_INT_START_Y	0xA0
+#define VENC_FID_INT_OFFSET_Y__FID_EXT_START_X	0xA4
+#define VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y	0xA8
+#define VENC_TVDETGP_INT_START_STOP_X		0xB0
+#define VENC_TVDETGP_INT_START_STOP_Y		0xB4
+#define VENC_GEN_CTRL				0xB8
+#define VENC_OUTPUT_CONTROL			0xC4
+#define VENC_OUTPUT_TEST			0xC8
+#define VENC_DAC_B__DAC_C			0xC8
+
+struct venc_config {
+	u32 f_control;
+	u32 vidout_ctrl;
+	u32 sync_ctrl;
+	u32 llen;
+	u32 flens;
+	u32 hfltr_ctrl;
+	u32 cc_carr_wss_carr;
+	u32 c_phase;
+	u32 gain_u;
+	u32 gain_v;
+	u32 gain_y;
+	u32 black_level;
+	u32 blank_level;
+	u32 x_color;
+	u32 m_control;
+	u32 bstamp_wss_data;
+	u32 s_carr;
+	u32 line21;
+	u32 ln_sel;
+	u32 l21__wc_ctl;
+	u32 htrigger_vtrigger;
+	u32 savid__eavid;
+	u32 flen__fal;
+	u32 lal__phase_reset;
+	u32 hs_int_start_stop_x;
+	u32 hs_ext_start_stop_x;
+	u32 vs_int_start_x;
+	u32 vs_int_stop_x__vs_int_start_y;
+	u32 vs_int_stop_y__vs_ext_start_x;
+	u32 vs_ext_stop_x__vs_ext_start_y;
+	u32 vs_ext_stop_y;
+	u32 avid_start_stop_x;
+	u32 avid_start_stop_y;
+	u32 fid_int_start_x__fid_int_start_y;
+	u32 fid_int_offset_y__fid_ext_start_x;
+	u32 fid_ext_start_y__fid_ext_offset_y;
+	u32 tvdetgp_int_start_stop_x;
+	u32 tvdetgp_int_start_stop_y;
+	u32 gen_ctrl;
+};
+
+/* from TRM */
+static const struct venc_config venc_config_pal_trm = {
+	.f_control				= 0,
+	.vidout_ctrl				= 1,
+	.sync_ctrl				= 0x40,
+	.llen					= 0x35F, /* 863 */
+	.flens					= 0x270, /* 624 */
+	.hfltr_ctrl				= 0,
+	.cc_carr_wss_carr			= 0x2F7225ED,
+	.c_phase				= 0,
+	.gain_u					= 0x111,
+	.gain_v					= 0x181,
+	.gain_y					= 0x140,
+	.black_level				= 0x3B,
+	.blank_level				= 0x3B,
+	.x_color				= 0x7,
+	.m_control				= 0x2,
+	.bstamp_wss_data			= 0x3F,
+	.s_carr					= 0x2A098ACB,
+	.line21					= 0,
+	.ln_sel					= 0x01290015,
+	.l21__wc_ctl				= 0x0000F603,
+	.htrigger_vtrigger			= 0,
+
+	.savid__eavid				= 0x06A70108,
+	.flen__fal				= 0x00180270,
+	.lal__phase_reset			= 0x00040135,
+	.hs_int_start_stop_x			= 0x00880358,
+	.hs_ext_start_stop_x			= 0x000F035F,
+	.vs_int_start_x				= 0x01A70000,
+	.vs_int_stop_x__vs_int_start_y		= 0x000001A7,
+	.vs_int_stop_y__vs_ext_start_x		= 0x01AF0000,
+	.vs_ext_stop_x__vs_ext_start_y		= 0x000101AF,
+	.vs_ext_stop_y				= 0x00000025,
+	.avid_start_stop_x			= 0x03530083,
+	.avid_start_stop_y			= 0x026C002E,
+	.fid_int_start_x__fid_int_start_y	= 0x0001008A,
+	.fid_int_offset_y__fid_ext_start_x	= 0x002E0138,
+	.fid_ext_start_y__fid_ext_offset_y	= 0x01380001,
+
+	.tvdetgp_int_start_stop_x		= 0x00140001,
+	.tvdetgp_int_start_stop_y		= 0x00010001,
+	.gen_ctrl				= 0x00FF0000,
+};
+
+/* from TRM */
+static const struct venc_config venc_config_ntsc_trm = {
+	.f_control				= 0,
+	.vidout_ctrl				= 1,
+	.sync_ctrl				= 0x8040,
+	.llen					= 0x359,
+	.flens					= 0x20C,
+	.hfltr_ctrl				= 0,
+	.cc_carr_wss_carr			= 0x043F2631,
+	.c_phase				= 0,
+	.gain_u					= 0x102,
+	.gain_v					= 0x16C,
+	.gain_y					= 0x12F,
+	.black_level				= 0x43,
+	.blank_level				= 0x38,
+	.x_color				= 0x7,
+	.m_control				= 0x1,
+	.bstamp_wss_data			= 0x38,
+	.s_carr					= 0x21F07C1F,
+	.line21					= 0,
+	.ln_sel					= 0x01310011,
+	.l21__wc_ctl				= 0x0000F003,
+	.htrigger_vtrigger			= 0,
+
+	.savid__eavid				= 0x069300F4,
+	.flen__fal				= 0x0016020C,
+	.lal__phase_reset			= 0x00060107,
+	.hs_int_start_stop_x			= 0x008E0350,
+	.hs_ext_start_stop_x			= 0x000F0359,
+	.vs_int_start_x				= 0x01A00000,
+	.vs_int_stop_x__vs_int_start_y		= 0x020701A0,
+	.vs_int_stop_y__vs_ext_start_x		= 0x01AC0024,
+	.vs_ext_stop_x__vs_ext_start_y		= 0x020D01AC,
+	.vs_ext_stop_y				= 0x00000006,
+	.avid_start_stop_x			= 0x03480078,
+	.avid_start_stop_y			= 0x02060024,
+	.fid_int_start_x__fid_int_start_y	= 0x0001008A,
+	.fid_int_offset_y__fid_ext_start_x	= 0x01AC0106,
+	.fid_ext_start_y__fid_ext_offset_y	= 0x01060006,
+
+	.tvdetgp_int_start_stop_x		= 0x00140001,
+	.tvdetgp_int_start_stop_y		= 0x00010001,
+	.gen_ctrl				= 0x00F90000,
+};
+
+static const struct venc_config venc_config_pal_bdghi = {
+	.f_control				= 0,
+	.vidout_ctrl				= 0,
+	.sync_ctrl				= 0,
+	.hfltr_ctrl				= 0,
+	.x_color				= 0,
+	.line21					= 0,
+	.ln_sel					= 21,
+	.htrigger_vtrigger			= 0,
+	.tvdetgp_int_start_stop_x		= 0x00140001,
+	.tvdetgp_int_start_stop_y		= 0x00010001,
+	.gen_ctrl				= 0x00FB0000,
+
+	.llen					= 864-1,
+	.flens					= 625-1,
+	.cc_carr_wss_carr			= 0x2F7625ED,
+	.c_phase				= 0xDF,
+	.gain_u					= 0x111,
+	.gain_v					= 0x181,
+	.gain_y					= 0x140,
+	.black_level				= 0x3e,
+	.blank_level				= 0x3e,
+	.m_control				= 0<<2 | 1<<1,
+	.bstamp_wss_data			= 0x42,
+	.s_carr					= 0x2a098acb,
+	.l21__wc_ctl				= 0<<13 | 0x16<<8 | 0<<0,
+	.savid__eavid				= 0x06A70108,
+	.flen__fal				= 23<<16 | 624<<0,
+	.lal__phase_reset			= 2<<17 | 310<<0,
+	.hs_int_start_stop_x			= 0x00920358,
+	.hs_ext_start_stop_x			= 0x000F035F,
+	.vs_int_start_x				= 0x1a7<<16,
+	.vs_int_stop_x__vs_int_start_y		= 0x000601A7,
+	.vs_int_stop_y__vs_ext_start_x		= 0x01AF0036,
+	.vs_ext_stop_x__vs_ext_start_y		= 0x27101af,
+	.vs_ext_stop_y				= 0x05,
+	.avid_start_stop_x			= 0x03530082,
+	.avid_start_stop_y			= 0x0270002E,
+	.fid_int_start_x__fid_int_start_y	= 0x0005008A,
+	.fid_int_offset_y__fid_ext_start_x	= 0x002E0138,
+	.fid_ext_start_y__fid_ext_offset_y	= 0x01380005,
+};
+
+const struct omap_video_timings omap_dss_pal_timings = {
+	.x_res		= 720,
+	.y_res		= 574,
+	.pixel_clock	= 13500,
+	.hsw		= 64,
+	.hfp		= 12,
+	.hbp		= 68,
+	.vsw		= 5,
+	.vfp		= 5,
+	.vbp		= 41,
+};
+EXPORT_SYMBOL(omap_dss_pal_timings);
+
+const struct omap_video_timings omap_dss_ntsc_timings = {
+	.x_res		= 720,
+	.y_res		= 482,
+	.pixel_clock	= 13500,
+	.hsw		= 64,
+	.hfp		= 16,
+	.hbp		= 58,
+	.vsw		= 6,
+	.vfp		= 6,
+	.vbp		= 31,
+};
+EXPORT_SYMBOL(omap_dss_ntsc_timings);
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem *base;
+	struct mutex venc_lock;
+	u32 wss_data;
+	struct regulator *vdda_dac_reg;
+
+	struct clk	*tv_dac_clk;
+} venc;
+
+static inline void venc_write_reg(int idx, u32 val)
+{
+	__raw_writel(val, venc.base + idx);
+}
+
+static inline u32 venc_read_reg(int idx)
+{
+	u32 l = __raw_readl(venc.base + idx);
+	return l;
+}
+
+static void venc_write_config(const struct venc_config *config)
+{
+	DSSDBG("write venc conf\n");
+
+	venc_write_reg(VENC_LLEN, config->llen);
+	venc_write_reg(VENC_FLENS, config->flens);
+	venc_write_reg(VENC_CC_CARR_WSS_CARR, config->cc_carr_wss_carr);
+	venc_write_reg(VENC_C_PHASE, config->c_phase);
+	venc_write_reg(VENC_GAIN_U, config->gain_u);
+	venc_write_reg(VENC_GAIN_V, config->gain_v);
+	venc_write_reg(VENC_GAIN_Y, config->gain_y);
+	venc_write_reg(VENC_BLACK_LEVEL, config->black_level);
+	venc_write_reg(VENC_BLANK_LEVEL, config->blank_level);
+	venc_write_reg(VENC_M_CONTROL, config->m_control);
+	venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
+			venc.wss_data);
+	venc_write_reg(VENC_S_CARR, config->s_carr);
+	venc_write_reg(VENC_L21__WC_CTL, config->l21__wc_ctl);
+	venc_write_reg(VENC_SAVID__EAVID, config->savid__eavid);
+	venc_write_reg(VENC_FLEN__FAL, config->flen__fal);
+	venc_write_reg(VENC_LAL__PHASE_RESET, config->lal__phase_reset);
+	venc_write_reg(VENC_HS_INT_START_STOP_X, config->hs_int_start_stop_x);
+	venc_write_reg(VENC_HS_EXT_START_STOP_X, config->hs_ext_start_stop_x);
+	venc_write_reg(VENC_VS_INT_START_X, config->vs_int_start_x);
+	venc_write_reg(VENC_VS_INT_STOP_X__VS_INT_START_Y,
+		       config->vs_int_stop_x__vs_int_start_y);
+	venc_write_reg(VENC_VS_INT_STOP_Y__VS_EXT_START_X,
+		       config->vs_int_stop_y__vs_ext_start_x);
+	venc_write_reg(VENC_VS_EXT_STOP_X__VS_EXT_START_Y,
+		       config->vs_ext_stop_x__vs_ext_start_y);
+	venc_write_reg(VENC_VS_EXT_STOP_Y, config->vs_ext_stop_y);
+	venc_write_reg(VENC_AVID_START_STOP_X, config->avid_start_stop_x);
+	venc_write_reg(VENC_AVID_START_STOP_Y, config->avid_start_stop_y);
+	venc_write_reg(VENC_FID_INT_START_X__FID_INT_START_Y,
+		       config->fid_int_start_x__fid_int_start_y);
+	venc_write_reg(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X,
+		       config->fid_int_offset_y__fid_ext_start_x);
+	venc_write_reg(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y,
+		       config->fid_ext_start_y__fid_ext_offset_y);
+
+	venc_write_reg(VENC_DAC_B__DAC_C,  venc_read_reg(VENC_DAC_B__DAC_C));
+	venc_write_reg(VENC_VIDOUT_CTRL, config->vidout_ctrl);
+	venc_write_reg(VENC_HFLTR_CTRL, config->hfltr_ctrl);
+	venc_write_reg(VENC_X_COLOR, config->x_color);
+	venc_write_reg(VENC_LINE21, config->line21);
+	venc_write_reg(VENC_LN_SEL, config->ln_sel);
+	venc_write_reg(VENC_HTRIGGER_VTRIGGER, config->htrigger_vtrigger);
+	venc_write_reg(VENC_TVDETGP_INT_START_STOP_X,
+		       config->tvdetgp_int_start_stop_x);
+	venc_write_reg(VENC_TVDETGP_INT_START_STOP_Y,
+		       config->tvdetgp_int_start_stop_y);
+	venc_write_reg(VENC_GEN_CTRL, config->gen_ctrl);
+	venc_write_reg(VENC_F_CONTROL, config->f_control);
+	venc_write_reg(VENC_SYNC_CTRL, config->sync_ctrl);
+}
+
+static void venc_reset(void)
+{
+	int t = 1000;
+
+	venc_write_reg(VENC_F_CONTROL, 1<<8);
+	while (venc_read_reg(VENC_F_CONTROL) & (1<<8)) {
+		if (--t == 0) {
+			DSSERR("Failed to reset venc\n");
+			return;
+		}
+	}
+
+#ifdef CONFIG_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
+	/* the magical sleep that makes things work */
+	/* XXX more info? What bug this circumvents? */
+	msleep(20);
+#endif
+}
+
+static int venc_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("venc_runtime_get\n");
+
+	r = pm_runtime_get_sync(&venc.pdev->dev);
+	WARN_ON(r < 0);
+	return r < 0 ? r : 0;
+}
+
+static void venc_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("venc_runtime_put\n");
+
+	r = pm_runtime_put_sync(&venc.pdev->dev);
+	WARN_ON(r < 0);
+}
+
+static const struct venc_config *venc_timings_to_config(
+		struct omap_video_timings *timings)
+{
+	if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
+		return &venc_config_pal_trm;
+
+	if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
+		return &venc_config_ntsc_trm;
+
+	BUG();
+}
+
+static int venc_power_on(struct omap_dss_device *dssdev)
+{
+	u32 l;
+	int r;
+
+	venc_reset();
+	venc_write_config(venc_timings_to_config(&dssdev->panel.timings));
+
+	dss_set_venc_output(dssdev->phy.venc.type);
+	dss_set_dac_pwrdn_bgz(1);
+
+	l = 0;
+
+	if (dssdev->phy.venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
+		l |= 1 << 1;
+	else /* S-Video */
+		l |= (1 << 0) | (1 << 2);
+
+	if (dssdev->phy.venc.invert_polarity == false)
+		l |= 1 << 3;
+
+	venc_write_reg(VENC_OUTPUT_CONTROL, l);
+
+	dispc_set_digit_size(dssdev->panel.timings.x_res,
+			dssdev->panel.timings.y_res/2);
+
+	regulator_enable(venc.vdda_dac_reg);
+
+	if (dssdev->platform_enable)
+		dssdev->platform_enable(dssdev);
+
+	r = dss_mgr_enable(dssdev->manager);
+	if (r)
+		goto err;
+
+	return 0;
+
+err:
+	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
+	dss_set_dac_pwrdn_bgz(0);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	regulator_disable(venc.vdda_dac_reg);
+
+	return r;
+}
+
+static void venc_power_off(struct omap_dss_device *dssdev)
+{
+	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
+	dss_set_dac_pwrdn_bgz(0);
+
+	dss_mgr_disable(dssdev->manager);
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	regulator_disable(venc.vdda_dac_reg);
+}
+
+unsigned long venc_get_pixel_clock(void)
+{
+	/* VENC Pixel Clock in Mhz */
+	return 13500000;
+}
+
+/* driver */
+static int venc_panel_probe(struct omap_dss_device *dssdev)
+{
+	dssdev->panel.timings = omap_dss_pal_timings;
+
+	return 0;
+}
+
+static void venc_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int venc_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	DSSDBG("venc_enable_display\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	r = omap_dss_start_device(dssdev);
+	if (r) {
+		DSSERR("failed to start device\n");
+		goto err0;
+	}
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
+		r = -EINVAL;
+		goto err1;
+	}
+
+	r = venc_runtime_get();
+	if (r)
+		goto err1;
+
+	r = venc_power_on(dssdev);
+	if (r)
+		goto err2;
+
+	venc.wss_data = 0;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&venc.venc_lock);
+	return 0;
+err2:
+	venc_runtime_put();
+err1:
+	omap_dss_stop_device(dssdev);
+err0:
+	mutex_unlock(&venc.venc_lock);
+
+	return r;
+}
+
+static void venc_panel_disable(struct omap_dss_device *dssdev)
+{
+	DSSDBG("venc_disable_display\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
+		goto end;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
+		/* suspended is the same as disabled with venc */
+		dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+		goto end;
+	}
+
+	venc_power_off(dssdev);
+
+	venc_runtime_put();
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	omap_dss_stop_device(dssdev);
+end:
+	mutex_unlock(&venc.venc_lock);
+}
+
+static int venc_panel_suspend(struct omap_dss_device *dssdev)
+{
+	venc_panel_disable(dssdev);
+	return 0;
+}
+
+static int venc_panel_resume(struct omap_dss_device *dssdev)
+{
+	return venc_panel_enable(dssdev);
+}
+
+static void venc_get_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static void venc_set_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	DSSDBG("venc_set_timings\n");
+
+	/* Reset WSS data when the TV standard changes. */
+	if (memcmp(&dssdev->panel.timings, timings, sizeof(*timings)))
+		venc.wss_data = 0;
+
+	dssdev->panel.timings = *timings;
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+		/* turn the venc off and on to get new timings to use */
+		venc_panel_disable(dssdev);
+		venc_panel_enable(dssdev);
+	}
+}
+
+static int venc_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	DSSDBG("venc_check_timings\n");
+
+	if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
+		return 0;
+
+	if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
+		return 0;
+
+	return -EINVAL;
+}
+
+static u32 venc_get_wss(struct omap_dss_device *dssdev)
+{
+	/* Invert due to VENC_L21_WC_CTL:INV=1 */
+	return (venc.wss_data >> 8) ^ 0xfffff;
+}
+
+static int venc_set_wss(struct omap_dss_device *dssdev,	u32 wss)
+{
+	const struct venc_config *config;
+	int r;
+
+	DSSDBG("venc_set_wss\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	config = venc_timings_to_config(&dssdev->panel.timings);
+
+	/* Invert due to VENC_L21_WC_CTL:INV=1 */
+	venc.wss_data = (wss ^ 0xfffff) << 8;
+
+	r = venc_runtime_get();
+	if (r)
+		goto err;
+
+	venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
+			venc.wss_data);
+
+	venc_runtime_put();
+
+err:
+	mutex_unlock(&venc.venc_lock);
+
+	return r;
+}
+
+static struct omap_dss_driver venc_driver = {
+	.probe		= venc_panel_probe,
+	.remove		= venc_panel_remove,
+
+	.enable		= venc_panel_enable,
+	.disable	= venc_panel_disable,
+	.suspend	= venc_panel_suspend,
+	.resume		= venc_panel_resume,
+
+	.get_resolution	= omapdss_default_get_resolution,
+	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
+
+	.get_timings	= venc_get_timings,
+	.set_timings	= venc_set_timings,
+	.check_timings	= venc_check_timings,
+
+	.get_wss	= venc_get_wss,
+	.set_wss	= venc_set_wss,
+
+	.driver         = {
+		.name   = "venc",
+		.owner  = THIS_MODULE,
+	},
+};
+/* driver end */
+
+int venc_init_display(struct omap_dss_device *dssdev)
+{
+	DSSDBG("init_display\n");
+
+	if (venc.vdda_dac_reg == NULL) {
+		struct regulator *vdda_dac;
+
+		vdda_dac = regulator_get(&venc.pdev->dev, "vdda_dac");
+
+		if (IS_ERR(vdda_dac)) {
+			DSSERR("can't get VDDA_DAC regulator\n");
+			return PTR_ERR(vdda_dac);
+		}
+
+		venc.vdda_dac_reg = vdda_dac;
+	}
+
+	return 0;
+}
+
+void venc_dump_regs(struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
+
+	if (cpu_is_omap44xx()) {
+		seq_printf(s, "VENC currently disabled on OMAP44xx\n");
+		return;
+	}
+
+	if (venc_runtime_get())
+		return;
+
+	DUMPREG(VENC_F_CONTROL);
+	DUMPREG(VENC_VIDOUT_CTRL);
+	DUMPREG(VENC_SYNC_CTRL);
+	DUMPREG(VENC_LLEN);
+	DUMPREG(VENC_FLENS);
+	DUMPREG(VENC_HFLTR_CTRL);
+	DUMPREG(VENC_CC_CARR_WSS_CARR);
+	DUMPREG(VENC_C_PHASE);
+	DUMPREG(VENC_GAIN_U);
+	DUMPREG(VENC_GAIN_V);
+	DUMPREG(VENC_GAIN_Y);
+	DUMPREG(VENC_BLACK_LEVEL);
+	DUMPREG(VENC_BLANK_LEVEL);
+	DUMPREG(VENC_X_COLOR);
+	DUMPREG(VENC_M_CONTROL);
+	DUMPREG(VENC_BSTAMP_WSS_DATA);
+	DUMPREG(VENC_S_CARR);
+	DUMPREG(VENC_LINE21);
+	DUMPREG(VENC_LN_SEL);
+	DUMPREG(VENC_L21__WC_CTL);
+	DUMPREG(VENC_HTRIGGER_VTRIGGER);
+	DUMPREG(VENC_SAVID__EAVID);
+	DUMPREG(VENC_FLEN__FAL);
+	DUMPREG(VENC_LAL__PHASE_RESET);
+	DUMPREG(VENC_HS_INT_START_STOP_X);
+	DUMPREG(VENC_HS_EXT_START_STOP_X);
+	DUMPREG(VENC_VS_INT_START_X);
+	DUMPREG(VENC_VS_INT_STOP_X__VS_INT_START_Y);
+	DUMPREG(VENC_VS_INT_STOP_Y__VS_EXT_START_X);
+	DUMPREG(VENC_VS_EXT_STOP_X__VS_EXT_START_Y);
+	DUMPREG(VENC_VS_EXT_STOP_Y);
+	DUMPREG(VENC_AVID_START_STOP_X);
+	DUMPREG(VENC_AVID_START_STOP_Y);
+	DUMPREG(VENC_FID_INT_START_X__FID_INT_START_Y);
+	DUMPREG(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X);
+	DUMPREG(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y);
+	DUMPREG(VENC_TVDETGP_INT_START_STOP_X);
+	DUMPREG(VENC_TVDETGP_INT_START_STOP_Y);
+	DUMPREG(VENC_GEN_CTRL);
+	DUMPREG(VENC_OUTPUT_CONTROL);
+	DUMPREG(VENC_OUTPUT_TEST);
+
+	venc_runtime_put();
+
+#undef DUMPREG
+}
+
+static int venc_get_clocks(struct platform_device *pdev)
+{
+	struct clk *clk;
+
+	if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) {
+		clk = clk_get(&pdev->dev, "tv_dac_clk");
+		if (IS_ERR(clk)) {
+			DSSERR("can't get tv_dac_clk\n");
+			return PTR_ERR(clk);
+		}
+	} else {
+		clk = NULL;
+	}
+
+	venc.tv_dac_clk = clk;
+
+	return 0;
+}
+
+static void venc_put_clocks(void)
+{
+	if (venc.tv_dac_clk)
+		clk_put(venc.tv_dac_clk);
+}
+
+/* VENC HW IP initialisation */
+static int omap_venchw_probe(struct platform_device *pdev)
+{
+	u8 rev_id;
+	struct resource *venc_mem;
+	int r;
+
+	venc.pdev = pdev;
+
+	mutex_init(&venc.venc_lock);
+
+	venc.wss_data = 0;
+
+	venc_mem = platform_get_resource(venc.pdev, IORESOURCE_MEM, 0);
+	if (!venc_mem) {
+		DSSERR("can't get IORESOURCE_MEM VENC\n");
+		return -EINVAL;
+	}
+
+	venc.base = devm_ioremap(&pdev->dev, venc_mem->start,
+				 resource_size(venc_mem));
+	if (!venc.base) {
+		DSSERR("can't ioremap VENC\n");
+		return -ENOMEM;
+	}
+
+	r = venc_get_clocks(pdev);
+	if (r)
+		return r;
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = venc_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
+	dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id);
+
+	venc_runtime_put();
+
+	r = omap_dss_register_driver(&venc_driver);
+	if (r)
+		goto err_reg_panel_driver;
+
+	return 0;
+
+err_reg_panel_driver:
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	venc_put_clocks();
+	return r;
+}
+
+static int omap_venchw_remove(struct platform_device *pdev)
+{
+	if (venc.vdda_dac_reg != NULL) {
+		regulator_put(venc.vdda_dac_reg);
+		venc.vdda_dac_reg = NULL;
+	}
+	omap_dss_unregister_driver(&venc_driver);
+
+	pm_runtime_disable(&pdev->dev);
+	venc_put_clocks();
+
+	return 0;
+}
+
+static int venc_runtime_suspend(struct device *dev)
+{
+	if (venc.tv_dac_clk)
+		clk_disable(venc.tv_dac_clk);
+
+	dispc_runtime_put();
+	dss_runtime_put();
+
+	return 0;
+}
+
+static int venc_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dss_runtime_get();
+	if (r < 0)
+		goto err_get_dss;
+
+	r = dispc_runtime_get();
+	if (r < 0)
+		goto err_get_dispc;
+
+	if (venc.tv_dac_clk)
+		clk_enable(venc.tv_dac_clk);
+
+	return 0;
+
+err_get_dispc:
+	dss_runtime_put();
+err_get_dss:
+	return r;
+}
+
+static const struct dev_pm_ops venc_pm_ops = {
+	.runtime_suspend = venc_runtime_suspend,
+	.runtime_resume = venc_runtime_resume,
+};
+
+static struct platform_driver omap_venchw_driver = {
+	.probe          = omap_venchw_probe,
+	.remove         = omap_venchw_remove,
+	.driver         = {
+		.name   = "omapdss_venc",
+		.owner  = THIS_MODULE,
+		.pm	= &venc_pm_ops,
+	},
+};
+
+int venc_init_platform_driver(void)
+{
+	if (cpu_is_omap44xx())
+		return 0;
+
+	return platform_driver_register(&omap_venchw_driver);
+}
+
+void venc_uninit_platform_driver(void)
+{
+	if (cpu_is_omap44xx())
+		return;
+
+	return platform_driver_unregister(&omap_venchw_driver);
+}
diff --git a/drivers/video/omap2/omapfb/Kconfig b/drivers/video/omap2/omapfb/Kconfig
new file mode 100644
index 00000000..4ea17dc3
--- /dev/null
+++ b/drivers/video/omap2/omapfb/Kconfig
@@ -0,0 +1,28 @@
+menuconfig FB_OMAP2
+        tristate "OMAP2+ frame buffer support"
+        depends on FB && OMAP2_DSS && !DRM_OMAP
+
+	select OMAP2_VRAM
+	select OMAP2_VRFB if ARCH_OMAP2 || ARCH_OMAP3
+        select FB_CFB_FILLRECT
+        select FB_CFB_COPYAREA
+        select FB_CFB_IMAGEBLIT
+        help
+	  Frame buffer driver for OMAP2+ based boards.
+
+config FB_OMAP2_DEBUG_SUPPORT
+        bool "Debug support for OMAP2+ FB"
+	default y
+	depends on FB_OMAP2
+	help
+	  Support for debug output. You have to enable the actual printing
+	  with 'debug' module parameter.
+
+config FB_OMAP2_NUM_FBS
+	int "Number of framebuffers"
+	range 1 10
+	default 3
+	depends on FB_OMAP2
+	help
+	  Select the number of framebuffers created. OMAP2/3 has 3 overlays
+	  so normally this would be 3.
diff --git a/drivers/video/omap2/omapfb/Makefile b/drivers/video/omap2/omapfb/Makefile
new file mode 100644
index 00000000..51c2e00d
--- /dev/null
+++ b/drivers/video/omap2/omapfb/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_FB_OMAP2) += omapfb.o
+omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
new file mode 100644
index 00000000..6a09ef87
--- /dev/null
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -0,0 +1,929 @@
+/*
+ * linux/drivers/video/omap2/omapfb-ioctl.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/fb.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/mm.h>
+#include <linux/omapfb.h>
+#include <linux/vmalloc.h>
+#include <linux/export.h>
+
+#include <video/omapdss.h>
+#include <plat/vrfb.h>
+#include <plat/vram.h>
+
+#include "omapfb.h"
+
+static u8 get_mem_idx(struct omapfb_info *ofbi)
+{
+	if (ofbi->id == ofbi->region->id)
+		return 0;
+
+	return OMAPFB_MEM_IDX_ENABLED | ofbi->region->id;
+}
+
+static struct omapfb2_mem_region *get_mem_region(struct omapfb_info *ofbi,
+						 u8 mem_idx)
+{
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+
+	if (mem_idx & OMAPFB_MEM_IDX_ENABLED)
+		mem_idx &= OMAPFB_MEM_IDX_MASK;
+	else
+		mem_idx = ofbi->id;
+
+	if (mem_idx >= fbdev->num_fbs)
+		return NULL;
+
+	return &fbdev->regions[mem_idx];
+}
+
+static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_overlay *ovl;
+	struct omap_overlay_info old_info;
+	struct omapfb2_mem_region *old_rg, *new_rg;
+	int r = 0;
+
+	DBG("omapfb_setup_plane\n");
+
+	if (ofbi->num_overlays != 1) {
+		r = -EINVAL;
+		goto out;
+	}
+
+	/* XXX uses only the first overlay */
+	ovl = ofbi->overlays[0];
+
+	old_rg = ofbi->region;
+	new_rg = get_mem_region(ofbi, pi->mem_idx);
+	if (!new_rg) {
+		r = -EINVAL;
+		goto out;
+	}
+
+	/* Take the locks in a specific order to keep lockdep happy */
+	if (old_rg->id < new_rg->id) {
+		omapfb_get_mem_region(old_rg);
+		omapfb_get_mem_region(new_rg);
+	} else if (new_rg->id < old_rg->id) {
+		omapfb_get_mem_region(new_rg);
+		omapfb_get_mem_region(old_rg);
+	} else
+		omapfb_get_mem_region(old_rg);
+
+	if (pi->enabled && !new_rg->size) {
+		/*
+		 * This plane's memory was freed, can't enable it
+		 * until it's reallocated.
+		 */
+		r = -EINVAL;
+		goto put_mem;
+	}
+
+	ovl->get_overlay_info(ovl, &old_info);
+
+	if (old_rg != new_rg) {
+		ofbi->region = new_rg;
+		set_fb_fix(fbi);
+	}
+
+	if (!pi->enabled) {
+		r = ovl->disable(ovl);
+		if (r)
+			goto undo;
+	}
+
+	if (pi->enabled) {
+		r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y,
+			pi->out_width, pi->out_height);
+		if (r)
+			goto undo;
+	} else {
+		struct omap_overlay_info info;
+
+		ovl->get_overlay_info(ovl, &info);
+
+		info.pos_x = pi->pos_x;
+		info.pos_y = pi->pos_y;
+		info.out_width = pi->out_width;
+		info.out_height = pi->out_height;
+
+		r = ovl->set_overlay_info(ovl, &info);
+		if (r)
+			goto undo;
+	}
+
+	if (ovl->manager)
+		ovl->manager->apply(ovl->manager);
+
+	if (pi->enabled) {
+		r = ovl->enable(ovl);
+		if (r)
+			goto undo;
+	}
+
+	/* Release the locks in a specific order to keep lockdep happy */
+	if (old_rg->id > new_rg->id) {
+		omapfb_put_mem_region(old_rg);
+		omapfb_put_mem_region(new_rg);
+	} else if (new_rg->id > old_rg->id) {
+		omapfb_put_mem_region(new_rg);
+		omapfb_put_mem_region(old_rg);
+	} else
+		omapfb_put_mem_region(old_rg);
+
+	return 0;
+
+ undo:
+	if (old_rg != new_rg) {
+		ofbi->region = old_rg;
+		set_fb_fix(fbi);
+	}
+
+	ovl->set_overlay_info(ovl, &old_info);
+ put_mem:
+	/* Release the locks in a specific order to keep lockdep happy */
+	if (old_rg->id > new_rg->id) {
+		omapfb_put_mem_region(old_rg);
+		omapfb_put_mem_region(new_rg);
+	} else if (new_rg->id > old_rg->id) {
+		omapfb_put_mem_region(new_rg);
+		omapfb_put_mem_region(old_rg);
+	} else
+		omapfb_put_mem_region(old_rg);
+ out:
+	dev_err(fbdev->dev, "setup_plane failed\n");
+
+	return r;
+}
+
+static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+
+	if (ofbi->num_overlays != 1) {
+		memset(pi, 0, sizeof(*pi));
+	} else {
+		struct omap_overlay *ovl;
+		struct omap_overlay_info ovli;
+
+		ovl = ofbi->overlays[0];
+		ovl->get_overlay_info(ovl, &ovli);
+
+		pi->pos_x = ovli.pos_x;
+		pi->pos_y = ovli.pos_y;
+		pi->enabled = ovl->is_enabled(ovl);
+		pi->channel_out = 0; /* xxx */
+		pi->mirror = 0;
+		pi->mem_idx = get_mem_idx(ofbi);
+		pi->out_width = ovli.out_width;
+		pi->out_height = ovli.out_height;
+	}
+
+	return 0;
+}
+
+static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb2_mem_region *rg;
+	int r = 0, i;
+	size_t size;
+
+	if (mi->type != OMAPFB_MEMTYPE_SDRAM)
+		return -EINVAL;
+
+	size = PAGE_ALIGN(mi->size);
+
+	rg = ofbi->region;
+
+	down_write_nested(&rg->lock, rg->id);
+	atomic_inc(&rg->lock_count);
+
+	if (atomic_read(&rg->map_count)) {
+		r = -EBUSY;
+		goto out;
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]);
+		int j;
+
+		if (ofbi2->region != rg)
+			continue;
+
+		for (j = 0; j < ofbi2->num_overlays; j++) {
+			struct omap_overlay *ovl;
+			ovl = ofbi2->overlays[j];
+			if (ovl->is_enabled(ovl)) {
+				r = -EBUSY;
+				goto out;
+			}
+		}
+	}
+
+	if (rg->size != size || rg->type != mi->type) {
+		r = omapfb_realloc_fbmem(fbi, size, mi->type);
+		if (r) {
+			dev_err(fbdev->dev, "realloc fbmem failed\n");
+			goto out;
+		}
+	}
+
+ out:
+	atomic_dec(&rg->lock_count);
+	up_write(&rg->lock);
+
+	return r;
+}
+
+static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_mem_region *rg;
+
+	rg = omapfb_get_mem_region(ofbi->region);
+	memset(mi, 0, sizeof(*mi));
+
+	mi->size = rg->size;
+	mi->type = rg->type;
+
+	omapfb_put_mem_region(rg);
+
+	return 0;
+}
+
+static int omapfb_update_window_nolock(struct fb_info *fbi,
+		u32 x, u32 y, u32 w, u32 h)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	u16 dw, dh;
+
+	if (!display)
+		return 0;
+
+	if (w == 0 || h == 0)
+		return 0;
+
+	display->driver->get_resolution(display, &dw, &dh);
+
+	if (x + w > dw || y + h > dh)
+		return -EINVAL;
+
+	return display->driver->update(display, x, y, w, h);
+}
+
+/* This function is exported for SGX driver use */
+int omapfb_update_window(struct fb_info *fbi,
+		u32 x, u32 y, u32 w, u32 h)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	int r;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+	omapfb_lock(fbdev);
+
+	r = omapfb_update_window_nolock(fbi, x, y, w, h);
+
+	omapfb_unlock(fbdev);
+	unlock_fb_info(fbi);
+
+	return r;
+}
+EXPORT_SYMBOL(omapfb_update_window);
+
+int omapfb_set_update_mode(struct fb_info *fbi,
+				   enum omapfb_update_mode mode)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb_display_data *d;
+	int r;
+
+	if (!display)
+		return -EINVAL;
+
+	if (mode != OMAPFB_AUTO_UPDATE && mode != OMAPFB_MANUAL_UPDATE)
+		return -EINVAL;
+
+	omapfb_lock(fbdev);
+
+	d = get_display_data(fbdev, display);
+
+	if (d->update_mode == mode) {
+		omapfb_unlock(fbdev);
+		return 0;
+	}
+
+	r = 0;
+
+	if (display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
+		if (mode == OMAPFB_AUTO_UPDATE)
+			omapfb_start_auto_update(fbdev, display);
+		else /* MANUAL_UPDATE */
+			omapfb_stop_auto_update(fbdev, display);
+
+		d->update_mode = mode;
+	} else { /* AUTO_UPDATE */
+		if (mode == OMAPFB_MANUAL_UPDATE)
+			r = -EINVAL;
+	}
+
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+int omapfb_get_update_mode(struct fb_info *fbi,
+		enum omapfb_update_mode *mode)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb_display_data *d;
+
+	if (!display)
+		return -EINVAL;
+
+	omapfb_lock(fbdev);
+
+	d = get_display_data(fbdev, display);
+
+	*mode = d->update_mode;
+
+	omapfb_unlock(fbdev);
+
+	return 0;
+}
+
+/* XXX this color key handling is a hack... */
+static struct omapfb_color_key omapfb_color_keys[2];
+
+static int _omapfb_set_color_key(struct omap_overlay_manager *mgr,
+		struct omapfb_color_key *ck)
+{
+	struct omap_overlay_manager_info info;
+	enum omap_dss_trans_key_type kt;
+	int r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	if (ck->key_type == OMAPFB_COLOR_KEY_DISABLED) {
+		info.trans_enabled = false;
+		omapfb_color_keys[mgr->id] = *ck;
+
+		r = mgr->set_manager_info(mgr, &info);
+		if (r)
+			return r;
+
+		r = mgr->apply(mgr);
+
+		return r;
+	}
+
+	switch (ck->key_type) {
+	case OMAPFB_COLOR_KEY_GFX_DST:
+		kt = OMAP_DSS_COLOR_KEY_GFX_DST;
+		break;
+	case OMAPFB_COLOR_KEY_VID_SRC:
+		kt = OMAP_DSS_COLOR_KEY_VID_SRC;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	info.default_color = ck->background;
+	info.trans_key = ck->trans_key;
+	info.trans_key_type = kt;
+	info.trans_enabled = true;
+
+	omapfb_color_keys[mgr->id] = *ck;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+
+	return r;
+}
+
+static int omapfb_set_color_key(struct fb_info *fbi,
+		struct omapfb_color_key *ck)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	int r;
+	int i;
+	struct omap_overlay_manager *mgr = NULL;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->manager) {
+			mgr = ofbi->overlays[i]->manager;
+			break;
+		}
+	}
+
+	if (!mgr) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = _omapfb_set_color_key(mgr, ck);
+err:
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static int omapfb_get_color_key(struct fb_info *fbi,
+		struct omapfb_color_key *ck)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_overlay_manager *mgr = NULL;
+	int r = 0;
+	int i;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->manager) {
+			mgr = ofbi->overlays[i]->manager;
+			break;
+		}
+	}
+
+	if (!mgr) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	*ck = omapfb_color_keys[mgr->id];
+err:
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static int omapfb_memory_read(struct fb_info *fbi,
+		struct omapfb_memory_read *mr)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	void *buf;
+	int r;
+
+	if (!display || !display->driver->memory_read)
+		return -ENOENT;
+
+	if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size))
+		return -EFAULT;
+
+	if (mr->w * mr->h * 3 > mr->buffer_size)
+		return -EINVAL;
+
+	buf = vmalloc(mr->buffer_size);
+	if (!buf) {
+		DBG("vmalloc failed\n");
+		return -ENOMEM;
+	}
+
+	r = display->driver->memory_read(display, buf, mr->buffer_size,
+			mr->x, mr->y, mr->w, mr->h);
+
+	if (r > 0) {
+		if (copy_to_user(mr->buffer, buf, mr->buffer_size))
+			r = -EFAULT;
+	}
+
+	vfree(buf);
+
+	return r;
+}
+
+static int omapfb_get_ovl_colormode(struct omapfb2_device *fbdev,
+			     struct omapfb_ovl_colormode *mode)
+{
+	int ovl_idx = mode->overlay_idx;
+	int mode_idx = mode->mode_idx;
+	struct omap_overlay *ovl;
+	enum omap_color_mode supported_modes;
+	struct fb_var_screeninfo var;
+	int i;
+
+	if (ovl_idx >= fbdev->num_overlays)
+		return -ENODEV;
+	ovl = fbdev->overlays[ovl_idx];
+	supported_modes = ovl->supported_modes;
+
+	mode_idx = mode->mode_idx;
+
+	for (i = 0; i < sizeof(supported_modes) * 8; i++) {
+		if (!(supported_modes & (1 << i)))
+			continue;
+		/*
+		 * It's possible that the FB doesn't support a mode
+		 * that is supported by the overlay, so call the
+		 * following here.
+		 */
+		if (dss_mode_to_fb_mode(1 << i, &var) < 0)
+			continue;
+
+		mode_idx--;
+		if (mode_idx < 0)
+			break;
+	}
+
+	if (i == sizeof(supported_modes) * 8)
+		return -ENOENT;
+
+	mode->bits_per_pixel = var.bits_per_pixel;
+	mode->nonstd = var.nonstd;
+	mode->red = var.red;
+	mode->green = var.green;
+	mode->blue = var.blue;
+	mode->transp = var.transp;
+
+	return 0;
+}
+
+static int omapfb_wait_for_go(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int r = 0;
+	int i;
+
+	for (i = 0; i < ofbi->num_overlays; ++i) {
+		struct omap_overlay *ovl = ofbi->overlays[i];
+		r = ovl->wait_for_go(ovl);
+		if (r)
+			break;
+	}
+
+	return r;
+}
+
+int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_dss_device *display = fb2display(fbi);
+
+	union {
+		struct omapfb_update_window_old	uwnd_o;
+		struct omapfb_update_window	uwnd;
+		struct omapfb_plane_info	plane_info;
+		struct omapfb_caps		caps;
+		struct omapfb_mem_info          mem_info;
+		struct omapfb_color_key		color_key;
+		struct omapfb_ovl_colormode	ovl_colormode;
+		enum omapfb_update_mode		update_mode;
+		int test_num;
+		struct omapfb_memory_read	memory_read;
+		struct omapfb_vram_info		vram_info;
+		struct omapfb_tearsync_info	tearsync_info;
+		struct omapfb_display_info	display_info;
+		u32				crt;
+	} p;
+
+	int r = 0;
+
+	switch (cmd) {
+	case OMAPFB_SYNC_GFX:
+		DBG("ioctl SYNC_GFX\n");
+		if (!display || !display->driver->sync) {
+			/* DSS1 never returns an error here, so we neither */
+			/*r = -EINVAL;*/
+			break;
+		}
+
+		r = display->driver->sync(display);
+		break;
+
+	case OMAPFB_UPDATE_WINDOW_OLD:
+		DBG("ioctl UPDATE_WINDOW_OLD\n");
+		if (!display || !display->driver->update) {
+			r = -EINVAL;
+			break;
+		}
+
+		if (copy_from_user(&p.uwnd_o,
+					(void __user *)arg,
+					sizeof(p.uwnd_o))) {
+			r = -EFAULT;
+			break;
+		}
+
+		r = omapfb_update_window_nolock(fbi, p.uwnd_o.x, p.uwnd_o.y,
+				p.uwnd_o.width, p.uwnd_o.height);
+		break;
+
+	case OMAPFB_UPDATE_WINDOW:
+		DBG("ioctl UPDATE_WINDOW\n");
+		if (!display || !display->driver->update) {
+			r = -EINVAL;
+			break;
+		}
+
+		if (copy_from_user(&p.uwnd, (void __user *)arg,
+					sizeof(p.uwnd))) {
+			r = -EFAULT;
+			break;
+		}
+
+		r = omapfb_update_window_nolock(fbi, p.uwnd.x, p.uwnd.y,
+				p.uwnd.width, p.uwnd.height);
+		break;
+
+	case OMAPFB_SETUP_PLANE:
+		DBG("ioctl SETUP_PLANE\n");
+		if (copy_from_user(&p.plane_info, (void __user *)arg,
+					sizeof(p.plane_info)))
+			r = -EFAULT;
+		else
+			r = omapfb_setup_plane(fbi, &p.plane_info);
+		break;
+
+	case OMAPFB_QUERY_PLANE:
+		DBG("ioctl QUERY_PLANE\n");
+		r = omapfb_query_plane(fbi, &p.plane_info);
+		if (r < 0)
+			break;
+		if (copy_to_user((void __user *)arg, &p.plane_info,
+					sizeof(p.plane_info)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_SETUP_MEM:
+		DBG("ioctl SETUP_MEM\n");
+		if (copy_from_user(&p.mem_info, (void __user *)arg,
+					sizeof(p.mem_info)))
+			r = -EFAULT;
+		else
+			r = omapfb_setup_mem(fbi, &p.mem_info);
+		break;
+
+	case OMAPFB_QUERY_MEM:
+		DBG("ioctl QUERY_MEM\n");
+		r = omapfb_query_mem(fbi, &p.mem_info);
+		if (r < 0)
+			break;
+		if (copy_to_user((void __user *)arg, &p.mem_info,
+					sizeof(p.mem_info)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_GET_CAPS:
+		DBG("ioctl GET_CAPS\n");
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		memset(&p.caps, 0, sizeof(p.caps));
+		if (display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE)
+			p.caps.ctrl |= OMAPFB_CAPS_MANUAL_UPDATE;
+		if (display->caps & OMAP_DSS_DISPLAY_CAP_TEAR_ELIM)
+			p.caps.ctrl |= OMAPFB_CAPS_TEARSYNC;
+
+		if (copy_to_user((void __user *)arg, &p.caps, sizeof(p.caps)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_GET_OVERLAY_COLORMODE:
+		DBG("ioctl GET_OVERLAY_COLORMODE\n");
+		if (copy_from_user(&p.ovl_colormode, (void __user *)arg,
+				   sizeof(p.ovl_colormode))) {
+			r = -EFAULT;
+			break;
+		}
+		r = omapfb_get_ovl_colormode(fbdev, &p.ovl_colormode);
+		if (r < 0)
+			break;
+		if (copy_to_user((void __user *)arg, &p.ovl_colormode,
+				 sizeof(p.ovl_colormode)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_SET_UPDATE_MODE:
+		DBG("ioctl SET_UPDATE_MODE\n");
+		if (get_user(p.update_mode, (int __user *)arg))
+			r = -EFAULT;
+		else
+			r = omapfb_set_update_mode(fbi, p.update_mode);
+		break;
+
+	case OMAPFB_GET_UPDATE_MODE:
+		DBG("ioctl GET_UPDATE_MODE\n");
+		r = omapfb_get_update_mode(fbi, &p.update_mode);
+		if (r)
+			break;
+		if (put_user(p.update_mode,
+					(enum omapfb_update_mode __user *)arg))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_SET_COLOR_KEY:
+		DBG("ioctl SET_COLOR_KEY\n");
+		if (copy_from_user(&p.color_key, (void __user *)arg,
+				   sizeof(p.color_key)))
+			r = -EFAULT;
+		else
+			r = omapfb_set_color_key(fbi, &p.color_key);
+		break;
+
+	case OMAPFB_GET_COLOR_KEY:
+		DBG("ioctl GET_COLOR_KEY\n");
+		r = omapfb_get_color_key(fbi, &p.color_key);
+		if (r)
+			break;
+		if (copy_to_user((void __user *)arg, &p.color_key,
+				 sizeof(p.color_key)))
+			r = -EFAULT;
+		break;
+
+	case FBIO_WAITFORVSYNC:
+		if (get_user(p.crt, (__u32 __user *)arg)) {
+			r = -EFAULT;
+			break;
+		}
+		if (p.crt != 0) {
+			r = -ENODEV;
+			break;
+		}
+		/* FALLTHROUGH */
+
+	case OMAPFB_WAITFORVSYNC:
+		DBG("ioctl WAITFORVSYNC\n");
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = display->manager->wait_for_vsync(display->manager);
+		break;
+
+	case OMAPFB_WAITFORGO:
+		DBG("ioctl WAITFORGO\n");
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = omapfb_wait_for_go(fbi);
+		break;
+
+	/* LCD and CTRL tests do the same thing for backward
+	 * compatibility */
+	case OMAPFB_LCD_TEST:
+		DBG("ioctl LCD_TEST\n");
+		if (get_user(p.test_num, (int __user *)arg)) {
+			r = -EFAULT;
+			break;
+		}
+		if (!display || !display->driver->run_test) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = display->driver->run_test(display, p.test_num);
+
+		break;
+
+	case OMAPFB_CTRL_TEST:
+		DBG("ioctl CTRL_TEST\n");
+		if (get_user(p.test_num, (int __user *)arg)) {
+			r = -EFAULT;
+			break;
+		}
+		if (!display || !display->driver->run_test) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = display->driver->run_test(display, p.test_num);
+
+		break;
+
+	case OMAPFB_MEMORY_READ:
+		DBG("ioctl MEMORY_READ\n");
+
+		if (copy_from_user(&p.memory_read, (void __user *)arg,
+					sizeof(p.memory_read))) {
+			r = -EFAULT;
+			break;
+		}
+
+		r = omapfb_memory_read(fbi, &p.memory_read);
+
+		break;
+
+	case OMAPFB_GET_VRAM_INFO: {
+		unsigned long vram, free, largest;
+
+		DBG("ioctl GET_VRAM_INFO\n");
+
+		omap_vram_get_info(&vram, &free, &largest);
+		p.vram_info.total = vram;
+		p.vram_info.free = free;
+		p.vram_info.largest_free_block = largest;
+
+		if (copy_to_user((void __user *)arg, &p.vram_info,
+					sizeof(p.vram_info)))
+			r = -EFAULT;
+		break;
+	}
+
+	case OMAPFB_SET_TEARSYNC: {
+		DBG("ioctl SET_TEARSYNC\n");
+
+		if (copy_from_user(&p.tearsync_info, (void __user *)arg,
+					sizeof(p.tearsync_info))) {
+			r = -EFAULT;
+			break;
+		}
+
+		if (!display || !display->driver->enable_te) {
+			r = -ENODEV;
+			break;
+		}
+
+		r = display->driver->enable_te(display,
+				!!p.tearsync_info.enabled);
+
+		break;
+	}
+
+	case OMAPFB_GET_DISPLAY_INFO: {
+		u16 xres, yres;
+
+		DBG("ioctl GET_DISPLAY_INFO\n");
+
+		if (display == NULL) {
+			r = -ENODEV;
+			break;
+		}
+
+		display->driver->get_resolution(display, &xres, &yres);
+
+		p.display_info.xres = xres;
+		p.display_info.yres = yres;
+
+		if (display->driver->get_dimensions) {
+			u32 w, h;
+			display->driver->get_dimensions(display, &w, &h);
+			p.display_info.width = w;
+			p.display_info.height = h;
+		} else {
+			p.display_info.width = 0;
+			p.display_info.height = 0;
+		}
+
+		if (copy_to_user((void __user *)arg, &p.display_info,
+					sizeof(p.display_info)))
+			r = -EFAULT;
+		break;
+	}
+
+	default:
+		dev_err(fbdev->dev, "Unknown ioctl 0x%x\n", cmd);
+		r = -EINVAL;
+	}
+
+	if (r < 0)
+		DBG("ioctl failed: %d\n", r);
+
+	return r;
+}
+
+
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
new file mode 100644
index 00000000..b00db406
--- /dev/null
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -0,0 +1,2506 @@
+/*
+ * linux/drivers/video/omap2/omapfb-main.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/fb.h>
+#include <linux/dma-mapping.h>
+#include <linux/vmalloc.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/omapfb.h>
+
+#include <video/omapdss.h>
+#include <plat/vram.h>
+#include <plat/vrfb.h>
+
+#include "omapfb.h"
+
+#define MODULE_NAME     "omapfb"
+
+#define OMAPFB_PLANE_XRES_MIN		8
+#define OMAPFB_PLANE_YRES_MIN		8
+
+static char *def_mode;
+static char *def_vram;
+static bool def_vrfb;
+static int def_rotate;
+static bool def_mirror;
+static bool auto_update;
+static unsigned int auto_update_freq;
+module_param(auto_update, bool, 0);
+module_param(auto_update_freq, uint, 0644);
+
+#ifdef DEBUG
+bool omapfb_debug;
+module_param_named(debug, omapfb_debug, bool, 0644);
+static bool omapfb_test_pattern;
+module_param_named(test, omapfb_test_pattern, bool, 0644);
+#endif
+
+static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi);
+static int omapfb_get_recommended_bpp(struct omapfb2_device *fbdev,
+		struct omap_dss_device *dssdev);
+
+#ifdef DEBUG
+static void draw_pixel(struct fb_info *fbi, int x, int y, unsigned color)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	void __iomem *addr = fbi->screen_base;
+	const unsigned bytespp = var->bits_per_pixel >> 3;
+	const unsigned line_len = fix->line_length / bytespp;
+
+	int r = (color >> 16) & 0xff;
+	int g = (color >> 8) & 0xff;
+	int b = (color >> 0) & 0xff;
+
+	if (var->bits_per_pixel == 16) {
+		u16 __iomem *p = (u16 __iomem *)addr;
+		p += y * line_len + x;
+
+		r = r * 32 / 256;
+		g = g * 64 / 256;
+		b = b * 32 / 256;
+
+		__raw_writew((r << 11) | (g << 5) | (b << 0), p);
+	} else if (var->bits_per_pixel == 24) {
+		u8 __iomem *p = (u8 __iomem *)addr;
+		p += (y * line_len + x) * 3;
+
+		__raw_writeb(b, p + 0);
+		__raw_writeb(g, p + 1);
+		__raw_writeb(r, p + 2);
+	} else if (var->bits_per_pixel == 32) {
+		u32 __iomem *p = (u32 __iomem *)addr;
+		p += y * line_len + x;
+		__raw_writel(color, p);
+	}
+}
+
+static void fill_fb(struct fb_info *fbi)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+	const short w = var->xres_virtual;
+	const short h = var->yres_virtual;
+	void __iomem *addr = fbi->screen_base;
+	int y, x;
+
+	if (!addr)
+		return;
+
+	DBG("fill_fb %dx%d, line_len %d bytes\n", w, h, fbi->fix.line_length);
+
+	for (y = 0; y < h; y++) {
+		for (x = 0; x < w; x++) {
+			if (x < 20 && y < 20)
+				draw_pixel(fbi, x, y, 0xffffff);
+			else if (x < 20 && (y > 20 && y < h - 20))
+				draw_pixel(fbi, x, y, 0xff);
+			else if (y < 20 && (x > 20 && x < w - 20))
+				draw_pixel(fbi, x, y, 0xff00);
+			else if (x > w - 20 && (y > 20 && y < h - 20))
+				draw_pixel(fbi, x, y, 0xff0000);
+			else if (y > h - 20 && (x > 20 && x < w - 20))
+				draw_pixel(fbi, x, y, 0xffff00);
+			else if (x == 20 || x == w - 20 ||
+					y == 20 || y == h - 20)
+				draw_pixel(fbi, x, y, 0xffffff);
+			else if (x == y || w - x == h - y)
+				draw_pixel(fbi, x, y, 0xff00ff);
+			else if (w - x == y || x == h - y)
+				draw_pixel(fbi, x, y, 0x00ffff);
+			else if (x > 20 && y > 20 && x < w - 20 && y < h - 20) {
+				int t = x * 3 / w;
+				unsigned r = 0, g = 0, b = 0;
+				unsigned c;
+				if (var->bits_per_pixel == 16) {
+					if (t == 0)
+						b = (y % 32) * 256 / 32;
+					else if (t == 1)
+						g = (y % 64) * 256 / 64;
+					else if (t == 2)
+						r = (y % 32) * 256 / 32;
+				} else {
+					if (t == 0)
+						b = (y % 256);
+					else if (t == 1)
+						g = (y % 256);
+					else if (t == 2)
+						r = (y % 256);
+				}
+				c = (r << 16) | (g << 8) | (b << 0);
+				draw_pixel(fbi, x, y, c);
+			} else {
+				draw_pixel(fbi, x, y, 0);
+			}
+		}
+	}
+}
+#endif
+
+static unsigned omapfb_get_vrfb_offset(const struct omapfb_info *ofbi, int rot)
+{
+	const struct vrfb *vrfb = &ofbi->region->vrfb;
+	unsigned offset;
+
+	switch (rot) {
+	case FB_ROTATE_UR:
+		offset = 0;
+		break;
+	case FB_ROTATE_CW:
+		offset = vrfb->yoffset;
+		break;
+	case FB_ROTATE_UD:
+		offset = vrfb->yoffset * OMAP_VRFB_LINE_LEN + vrfb->xoffset;
+		break;
+	case FB_ROTATE_CCW:
+		offset = vrfb->xoffset * OMAP_VRFB_LINE_LEN;
+		break;
+	default:
+		BUG();
+	}
+
+	offset *= vrfb->bytespp;
+
+	return offset;
+}
+
+static u32 omapfb_get_region_rot_paddr(const struct omapfb_info *ofbi, int rot)
+{
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+		return ofbi->region->vrfb.paddr[rot]
+			+ omapfb_get_vrfb_offset(ofbi, rot);
+	} else {
+		return ofbi->region->paddr;
+	}
+}
+
+static u32 omapfb_get_region_paddr(const struct omapfb_info *ofbi)
+{
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		return ofbi->region->vrfb.paddr[0];
+	else
+		return ofbi->region->paddr;
+}
+
+static void __iomem *omapfb_get_region_vaddr(const struct omapfb_info *ofbi)
+{
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		return ofbi->region->vrfb.vaddr[0];
+	else
+		return ofbi->region->vaddr;
+}
+
+static struct omapfb_colormode omapfb_colormodes[] = {
+	{
+		.dssmode = OMAP_DSS_COLOR_UYVY,
+		.bits_per_pixel = 16,
+		.nonstd = OMAPFB_COLOR_YUV422,
+	}, {
+		.dssmode = OMAP_DSS_COLOR_YUV2,
+		.bits_per_pixel = 16,
+		.nonstd = OMAPFB_COLOR_YUY422,
+	}, {
+		.dssmode = OMAP_DSS_COLOR_ARGB16,
+		.bits_per_pixel = 16,
+		.red	= { .length = 4, .offset = 8, .msb_right = 0 },
+		.green	= { .length = 4, .offset = 4, .msb_right = 0 },
+		.blue	= { .length = 4, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 4, .offset = 12, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGB16,
+		.bits_per_pixel = 16,
+		.red	= { .length = 5, .offset = 11, .msb_right = 0 },
+		.green	= { .length = 6, .offset = 5, .msb_right = 0 },
+		.blue	= { .length = 5, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGB24P,
+		.bits_per_pixel = 24,
+		.red	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGB24U,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_ARGB32,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 8, .offset = 24, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGBA32,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 24, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.transp	= { .length = 8, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGBX32,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 24, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	},
+};
+
+static bool cmp_var_to_colormode(struct fb_var_screeninfo *var,
+		struct omapfb_colormode *color)
+{
+	bool cmp_component(struct fb_bitfield *f1, struct fb_bitfield *f2)
+	{
+		return f1->length == f2->length &&
+			f1->offset == f2->offset &&
+			f1->msb_right == f2->msb_right;
+	}
+
+	if (var->bits_per_pixel == 0 ||
+			var->red.length == 0 ||
+			var->blue.length == 0 ||
+			var->green.length == 0)
+		return 0;
+
+	return var->bits_per_pixel == color->bits_per_pixel &&
+		cmp_component(&var->red, &color->red) &&
+		cmp_component(&var->green, &color->green) &&
+		cmp_component(&var->blue, &color->blue) &&
+		cmp_component(&var->transp, &color->transp);
+}
+
+static void assign_colormode_to_var(struct fb_var_screeninfo *var,
+		struct omapfb_colormode *color)
+{
+	var->bits_per_pixel = color->bits_per_pixel;
+	var->nonstd = color->nonstd;
+	var->red = color->red;
+	var->green = color->green;
+	var->blue = color->blue;
+	var->transp = color->transp;
+}
+
+static int fb_mode_to_dss_mode(struct fb_var_screeninfo *var,
+		enum omap_color_mode *mode)
+{
+	enum omap_color_mode dssmode;
+	int i;
+
+	/* first match with nonstd field */
+	if (var->nonstd) {
+		for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
+			struct omapfb_colormode *m = &omapfb_colormodes[i];
+			if (var->nonstd == m->nonstd) {
+				assign_colormode_to_var(var, m);
+				*mode = m->dssmode;
+				return 0;
+			}
+		}
+
+		return -EINVAL;
+	}
+
+	/* then try exact match of bpp and colors */
+	for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
+		struct omapfb_colormode *m = &omapfb_colormodes[i];
+		if (cmp_var_to_colormode(var, m)) {
+			assign_colormode_to_var(var, m);
+			*mode = m->dssmode;
+			return 0;
+		}
+	}
+
+	/* match with bpp if user has not filled color fields
+	 * properly */
+	switch (var->bits_per_pixel) {
+	case 1:
+		dssmode = OMAP_DSS_COLOR_CLUT1;
+		break;
+	case 2:
+		dssmode = OMAP_DSS_COLOR_CLUT2;
+		break;
+	case 4:
+		dssmode = OMAP_DSS_COLOR_CLUT4;
+		break;
+	case 8:
+		dssmode = OMAP_DSS_COLOR_CLUT8;
+		break;
+	case 12:
+		dssmode = OMAP_DSS_COLOR_RGB12U;
+		break;
+	case 16:
+		dssmode = OMAP_DSS_COLOR_RGB16;
+		break;
+	case 24:
+		dssmode = OMAP_DSS_COLOR_RGB24P;
+		break;
+	case 32:
+		dssmode = OMAP_DSS_COLOR_RGB24U;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
+		struct omapfb_colormode *m = &omapfb_colormodes[i];
+		if (dssmode == m->dssmode) {
+			assign_colormode_to_var(var, m);
+			*mode = m->dssmode;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int check_fb_res_bounds(struct fb_var_screeninfo *var)
+{
+	int xres_min = OMAPFB_PLANE_XRES_MIN;
+	int xres_max = 2048;
+	int yres_min = OMAPFB_PLANE_YRES_MIN;
+	int yres_max = 2048;
+
+	/* XXX: some applications seem to set virtual res to 0. */
+	if (var->xres_virtual == 0)
+		var->xres_virtual = var->xres;
+
+	if (var->yres_virtual == 0)
+		var->yres_virtual = var->yres;
+
+	if (var->xres_virtual < xres_min || var->yres_virtual < yres_min)
+		return -EINVAL;
+
+	if (var->xres < xres_min)
+		var->xres = xres_min;
+	if (var->yres < yres_min)
+		var->yres = yres_min;
+	if (var->xres > xres_max)
+		var->xres = xres_max;
+	if (var->yres > yres_max)
+		var->yres = yres_max;
+
+	if (var->xres > var->xres_virtual)
+		var->xres = var->xres_virtual;
+	if (var->yres > var->yres_virtual)
+		var->yres = var->yres_virtual;
+
+	return 0;
+}
+
+static void shrink_height(unsigned long max_frame_size,
+		struct fb_var_screeninfo *var)
+{
+	DBG("can't fit FB into memory, reducing y\n");
+	var->yres_virtual = max_frame_size /
+		(var->xres_virtual * var->bits_per_pixel >> 3);
+
+	if (var->yres_virtual < OMAPFB_PLANE_YRES_MIN)
+		var->yres_virtual = OMAPFB_PLANE_YRES_MIN;
+
+	if (var->yres > var->yres_virtual)
+		var->yres = var->yres_virtual;
+}
+
+static void shrink_width(unsigned long max_frame_size,
+		struct fb_var_screeninfo *var)
+{
+	DBG("can't fit FB into memory, reducing x\n");
+	var->xres_virtual = max_frame_size / var->yres_virtual /
+		(var->bits_per_pixel >> 3);
+
+	if (var->xres_virtual < OMAPFB_PLANE_XRES_MIN)
+		var->xres_virtual = OMAPFB_PLANE_XRES_MIN;
+
+	if (var->xres > var->xres_virtual)
+		var->xres = var->xres_virtual;
+}
+
+static int check_vrfb_fb_size(unsigned long region_size,
+		const struct fb_var_screeninfo *var)
+{
+	unsigned long min_phys_size = omap_vrfb_min_phys_size(var->xres_virtual,
+		var->yres_virtual, var->bits_per_pixel >> 3);
+
+	return min_phys_size > region_size ? -EINVAL : 0;
+}
+
+static int check_fb_size(const struct omapfb_info *ofbi,
+		struct fb_var_screeninfo *var)
+{
+	unsigned long max_frame_size = ofbi->region->size;
+	int bytespp = var->bits_per_pixel >> 3;
+	unsigned long line_size = var->xres_virtual * bytespp;
+
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+		/* One needs to check for both VRFB and OMAPFB limitations. */
+		if (check_vrfb_fb_size(max_frame_size, var))
+			shrink_height(omap_vrfb_max_height(
+				max_frame_size, var->xres_virtual, bytespp) *
+				line_size, var);
+
+		if (check_vrfb_fb_size(max_frame_size, var)) {
+			DBG("cannot fit FB to memory\n");
+			return -EINVAL;
+		}
+
+		return 0;
+	}
+
+	DBG("max frame size %lu, line size %lu\n", max_frame_size, line_size);
+
+	if (line_size * var->yres_virtual > max_frame_size)
+		shrink_height(max_frame_size, var);
+
+	if (line_size * var->yres_virtual > max_frame_size) {
+		shrink_width(max_frame_size, var);
+		line_size = var->xres_virtual * bytespp;
+	}
+
+	if (line_size * var->yres_virtual > max_frame_size) {
+		DBG("cannot fit FB to memory\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * Consider if VRFB assisted rotation is in use and if the virtual space for
+ * the zero degree view needs to be mapped. The need for mapping also acts as
+ * the trigger for setting up the hardware on the context in question. This
+ * ensures that one does not attempt to access the virtual view before the
+ * hardware is serving the address translations.
+ */
+static int setup_vrfb_rotation(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_mem_region *rg = ofbi->region;
+	struct vrfb *vrfb = &rg->vrfb;
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	unsigned bytespp;
+	bool yuv_mode;
+	enum omap_color_mode mode;
+	int r;
+	bool reconf;
+
+	if (!rg->size || ofbi->rotation_type != OMAP_DSS_ROT_VRFB)
+		return 0;
+
+	DBG("setup_vrfb_rotation\n");
+
+	r = fb_mode_to_dss_mode(var, &mode);
+	if (r)
+		return r;
+
+	bytespp = var->bits_per_pixel >> 3;
+
+	yuv_mode = mode == OMAP_DSS_COLOR_YUV2 || mode == OMAP_DSS_COLOR_UYVY;
+
+	/* We need to reconfigure VRFB if the resolution changes, if yuv mode
+	 * is enabled/disabled, or if bytes per pixel changes */
+
+	/* XXX we shouldn't allow this when framebuffer is mmapped */
+
+	reconf = false;
+
+	if (yuv_mode != vrfb->yuv_mode)
+		reconf = true;
+	else if (bytespp != vrfb->bytespp)
+		reconf = true;
+	else if (vrfb->xres != var->xres_virtual ||
+			vrfb->yres != var->yres_virtual)
+		reconf = true;
+
+	if (vrfb->vaddr[0] && reconf) {
+		fbi->screen_base = NULL;
+		fix->smem_start = 0;
+		fix->smem_len = 0;
+		iounmap(vrfb->vaddr[0]);
+		vrfb->vaddr[0] = NULL;
+		DBG("setup_vrfb_rotation: reset fb\n");
+	}
+
+	if (vrfb->vaddr[0])
+		return 0;
+
+	omap_vrfb_setup(&rg->vrfb, rg->paddr,
+			var->xres_virtual,
+			var->yres_virtual,
+			bytespp, yuv_mode);
+
+	/* Now one can ioremap the 0 angle view */
+	r = omap_vrfb_map_angle(vrfb, var->yres_virtual, 0);
+	if (r)
+		return r;
+
+	/* used by open/write in fbmem.c */
+	fbi->screen_base = ofbi->region->vrfb.vaddr[0];
+
+	fix->smem_start = ofbi->region->vrfb.paddr[0];
+
+	switch (var->nonstd) {
+	case OMAPFB_COLOR_YUV422:
+	case OMAPFB_COLOR_YUY422:
+		fix->line_length =
+			(OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 2;
+		break;
+	default:
+		fix->line_length =
+			(OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 3;
+		break;
+	}
+
+	fix->smem_len = var->yres_virtual * fix->line_length;
+
+	return 0;
+}
+
+int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
+			struct fb_var_screeninfo *var)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
+		struct omapfb_colormode *mode = &omapfb_colormodes[i];
+		if (dssmode == mode->dssmode) {
+			assign_colormode_to_var(var, mode);
+			return 0;
+		}
+	}
+	return -ENOENT;
+}
+
+void set_fb_fix(struct fb_info *fbi)
+{
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_mem_region *rg = ofbi->region;
+
+	DBG("set_fb_fix\n");
+
+	/* used by open/write in fbmem.c */
+	fbi->screen_base = (char __iomem *)omapfb_get_region_vaddr(ofbi);
+
+	/* used by mmap in fbmem.c */
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+		switch (var->nonstd) {
+		case OMAPFB_COLOR_YUV422:
+		case OMAPFB_COLOR_YUY422:
+			fix->line_length =
+				(OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 2;
+			break;
+		default:
+			fix->line_length =
+				(OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 3;
+			break;
+		}
+
+		fix->smem_len = var->yres_virtual * fix->line_length;
+	} else {
+		fix->line_length =
+			(var->xres_virtual * var->bits_per_pixel) >> 3;
+		fix->smem_len = rg->size;
+	}
+
+	fix->smem_start = omapfb_get_region_paddr(ofbi);
+
+	fix->type = FB_TYPE_PACKED_PIXELS;
+
+	if (var->nonstd)
+		fix->visual = FB_VISUAL_PSEUDOCOLOR;
+	else {
+		switch (var->bits_per_pixel) {
+		case 32:
+		case 24:
+		case 16:
+		case 12:
+			fix->visual = FB_VISUAL_TRUECOLOR;
+			/* 12bpp is stored in 16 bits */
+			break;
+		case 1:
+		case 2:
+		case 4:
+		case 8:
+			fix->visual = FB_VISUAL_PSEUDOCOLOR;
+			break;
+		}
+	}
+
+	fix->accel = FB_ACCEL_NONE;
+
+	fix->xpanstep = 1;
+	fix->ypanstep = 1;
+}
+
+/* check new var and possibly modify it to be ok */
+int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omap_dss_device *display = fb2display(fbi);
+	enum omap_color_mode mode = 0;
+	int i;
+	int r;
+
+	DBG("check_fb_var %d\n", ofbi->id);
+
+	WARN_ON(!atomic_read(&ofbi->region->lock_count));
+
+	r = fb_mode_to_dss_mode(var, &mode);
+	if (r) {
+		DBG("cannot convert var to omap dss mode\n");
+		return r;
+	}
+
+	for (i = 0; i < ofbi->num_overlays; ++i) {
+		if ((ofbi->overlays[i]->supported_modes & mode) == 0) {
+			DBG("invalid mode\n");
+			return -EINVAL;
+		}
+	}
+
+	if (var->rotate > 3)
+		return -EINVAL;
+
+	if (check_fb_res_bounds(var))
+		return -EINVAL;
+
+	/* When no memory is allocated ignore the size check */
+	if (ofbi->region->size != 0 && check_fb_size(ofbi, var))
+		return -EINVAL;
+
+	if (var->xres + var->xoffset > var->xres_virtual)
+		var->xoffset = var->xres_virtual - var->xres;
+	if (var->yres + var->yoffset > var->yres_virtual)
+		var->yoffset = var->yres_virtual - var->yres;
+
+	DBG("xres = %d, yres = %d, vxres = %d, vyres = %d\n",
+			var->xres, var->yres,
+			var->xres_virtual, var->yres_virtual);
+
+	if (display && display->driver->get_dimensions) {
+		u32 w, h;
+		display->driver->get_dimensions(display, &w, &h);
+		var->width = DIV_ROUND_CLOSEST(w, 1000);
+		var->height = DIV_ROUND_CLOSEST(h, 1000);
+	} else {
+		var->height = -1;
+		var->width = -1;
+	}
+
+	var->grayscale          = 0;
+
+	if (display && display->driver->get_timings) {
+		struct omap_video_timings timings;
+		display->driver->get_timings(display, &timings);
+
+		/* pixclock in ps, the rest in pixclock */
+		var->pixclock = timings.pixel_clock != 0 ?
+			KHZ2PICOS(timings.pixel_clock) :
+			0;
+		var->left_margin = timings.hbp;
+		var->right_margin = timings.hfp;
+		var->upper_margin = timings.vbp;
+		var->lower_margin = timings.vfp;
+		var->hsync_len = timings.hsw;
+		var->vsync_len = timings.vsw;
+	} else {
+		var->pixclock = 0;
+		var->left_margin = 0;
+		var->right_margin = 0;
+		var->upper_margin = 0;
+		var->lower_margin = 0;
+		var->hsync_len = 0;
+		var->vsync_len = 0;
+	}
+
+	/* TODO: get these from panel->config */
+	var->vmode              = FB_VMODE_NONINTERLACED;
+	var->sync               = 0;
+
+	return 0;
+}
+
+/*
+ * ---------------------------------------------------------------------------
+ * fbdev framework callbacks
+ * ---------------------------------------------------------------------------
+ */
+static int omapfb_open(struct fb_info *fbi, int user)
+{
+	return 0;
+}
+
+static int omapfb_release(struct fb_info *fbi, int user)
+{
+	return 0;
+}
+
+static unsigned calc_rotation_offset_dma(const struct fb_var_screeninfo *var,
+		const struct fb_fix_screeninfo *fix, int rotation)
+{
+	unsigned offset;
+
+	offset = var->yoffset * fix->line_length +
+		var->xoffset * (var->bits_per_pixel >> 3);
+
+	return offset;
+}
+
+static unsigned calc_rotation_offset_vrfb(const struct fb_var_screeninfo *var,
+		const struct fb_fix_screeninfo *fix, int rotation)
+{
+	unsigned offset;
+
+	if (rotation == FB_ROTATE_UD)
+		offset = (var->yres_virtual - var->yres) *
+			fix->line_length;
+	else if (rotation == FB_ROTATE_CW)
+		offset = (var->yres_virtual - var->yres) *
+			(var->bits_per_pixel >> 3);
+	else
+		offset = 0;
+
+	if (rotation == FB_ROTATE_UR)
+		offset += var->yoffset * fix->line_length +
+			var->xoffset * (var->bits_per_pixel >> 3);
+	else if (rotation == FB_ROTATE_UD)
+		offset -= var->yoffset * fix->line_length +
+			var->xoffset * (var->bits_per_pixel >> 3);
+	else if (rotation == FB_ROTATE_CW)
+		offset -= var->xoffset * fix->line_length +
+			var->yoffset * (var->bits_per_pixel >> 3);
+	else if (rotation == FB_ROTATE_CCW)
+		offset += var->xoffset * fix->line_length +
+			var->yoffset * (var->bits_per_pixel >> 3);
+
+	return offset;
+}
+
+static void omapfb_calc_addr(const struct omapfb_info *ofbi,
+			     const struct fb_var_screeninfo *var,
+			     const struct fb_fix_screeninfo *fix,
+			     int rotation, u32 *paddr)
+{
+	u32 data_start_p;
+	int offset;
+
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		data_start_p = omapfb_get_region_rot_paddr(ofbi, rotation);
+	else
+		data_start_p = omapfb_get_region_paddr(ofbi);
+
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		offset = calc_rotation_offset_vrfb(var, fix, rotation);
+	else
+		offset = calc_rotation_offset_dma(var, fix, rotation);
+
+	data_start_p += offset;
+
+	if (offset)
+		DBG("offset %d, %d = %d\n",
+		    var->xoffset, var->yoffset, offset);
+
+	DBG("paddr %x\n", data_start_p);
+
+	*paddr = data_start_p;
+}
+
+/* setup overlay according to the fb */
+int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+		u16 posx, u16 posy, u16 outw, u16 outh)
+{
+	int r = 0;
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	enum omap_color_mode mode = 0;
+	u32 data_start_p = 0;
+	struct omap_overlay_info info;
+	int xres, yres;
+	int screen_width;
+	int mirror;
+	int rotation = var->rotate;
+	int i;
+
+	WARN_ON(!atomic_read(&ofbi->region->lock_count));
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ovl != ofbi->overlays[i])
+			continue;
+
+		rotation = (rotation + ofbi->rotation[i]) % 4;
+		break;
+	}
+
+	DBG("setup_overlay %d, posx %d, posy %d, outw %d, outh %d\n", ofbi->id,
+			posx, posy, outw, outh);
+
+	if (rotation == FB_ROTATE_CW || rotation == FB_ROTATE_CCW) {
+		xres = var->yres;
+		yres = var->xres;
+	} else {
+		xres = var->xres;
+		yres = var->yres;
+	}
+
+	if (ofbi->region->size)
+		omapfb_calc_addr(ofbi, var, fix, rotation, &data_start_p);
+
+	r = fb_mode_to_dss_mode(var, &mode);
+	if (r) {
+		DBG("fb_mode_to_dss_mode failed");
+		goto err;
+	}
+
+	switch (var->nonstd) {
+	case OMAPFB_COLOR_YUV422:
+	case OMAPFB_COLOR_YUY422:
+		if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+			screen_width = fix->line_length
+				/ (var->bits_per_pixel >> 2);
+			break;
+		}
+	default:
+		screen_width = fix->line_length / (var->bits_per_pixel >> 3);
+		break;
+	}
+
+	ovl->get_overlay_info(ovl, &info);
+
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		mirror = 0;
+	else
+		mirror = ofbi->mirror;
+
+	info.paddr = data_start_p;
+	info.screen_width = screen_width;
+	info.width = xres;
+	info.height = yres;
+	info.color_mode = mode;
+	info.rotation_type = ofbi->rotation_type;
+	info.rotation = rotation;
+	info.mirror = mirror;
+
+	info.pos_x = posx;
+	info.pos_y = posy;
+	info.out_width = outw;
+	info.out_height = outh;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r) {
+		DBG("ovl->setup_overlay_info failed\n");
+		goto err;
+	}
+
+	return 0;
+
+err:
+	DBG("setup_overlay failed\n");
+	return r;
+}
+
+/* apply var to the overlay */
+int omapfb_apply_changes(struct fb_info *fbi, int init)
+{
+	int r = 0;
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct omap_overlay *ovl;
+	u16 posx, posy;
+	u16 outw, outh;
+	int i;
+
+#ifdef DEBUG
+	if (omapfb_test_pattern)
+		fill_fb(fbi);
+#endif
+
+	WARN_ON(!atomic_read(&ofbi->region->lock_count));
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		ovl = ofbi->overlays[i];
+
+		DBG("apply_changes, fb %d, ovl %d\n", ofbi->id, ovl->id);
+
+		if (ofbi->region->size == 0) {
+			/* the fb is not available. disable the overlay */
+			omapfb_overlay_enable(ovl, 0);
+			if (!init && ovl->manager)
+				ovl->manager->apply(ovl->manager);
+			continue;
+		}
+
+		if (init || (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+			int rotation = (var->rotate + ofbi->rotation[i]) % 4;
+			if (rotation == FB_ROTATE_CW ||
+					rotation == FB_ROTATE_CCW) {
+				outw = var->yres;
+				outh = var->xres;
+			} else {
+				outw = var->xres;
+				outh = var->yres;
+			}
+		} else {
+			struct omap_overlay_info info;
+			ovl->get_overlay_info(ovl, &info);
+			outw = info.out_width;
+			outh = info.out_height;
+		}
+
+		if (init) {
+			posx = 0;
+			posy = 0;
+		} else {
+			struct omap_overlay_info info;
+			ovl->get_overlay_info(ovl, &info);
+			posx = info.pos_x;
+			posy = info.pos_y;
+		}
+
+		r = omapfb_setup_overlay(fbi, ovl, posx, posy, outw, outh);
+		if (r)
+			goto err;
+
+		if (!init && ovl->manager)
+			ovl->manager->apply(ovl->manager);
+	}
+	return 0;
+err:
+	DBG("apply_changes failed\n");
+	return r;
+}
+
+/* checks var and eventually tweaks it to something supported,
+ * DO NOT MODIFY PAR */
+static int omapfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int r;
+
+	DBG("check_var(%d)\n", FB2OFB(fbi)->id);
+
+	omapfb_get_mem_region(ofbi->region);
+
+	r = check_fb_var(fbi, var);
+
+	omapfb_put_mem_region(ofbi->region);
+
+	return r;
+}
+
+/* set the video mode according to info->var */
+static int omapfb_set_par(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int r;
+
+	DBG("set_par(%d)\n", FB2OFB(fbi)->id);
+
+	omapfb_get_mem_region(ofbi->region);
+
+	set_fb_fix(fbi);
+
+	r = setup_vrfb_rotation(fbi);
+	if (r)
+		goto out;
+
+	r = omapfb_apply_changes(fbi, 0);
+
+ out:
+	omapfb_put_mem_region(ofbi->region);
+
+	return r;
+}
+
+static int omapfb_pan_display(struct fb_var_screeninfo *var,
+		struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct fb_var_screeninfo new_var;
+	int r;
+
+	DBG("pan_display(%d)\n", FB2OFB(fbi)->id);
+
+	if (var->xoffset == fbi->var.xoffset &&
+	    var->yoffset == fbi->var.yoffset)
+		return 0;
+
+	new_var = fbi->var;
+	new_var.xoffset = var->xoffset;
+	new_var.yoffset = var->yoffset;
+
+	fbi->var = new_var;
+
+	omapfb_get_mem_region(ofbi->region);
+
+	r = omapfb_apply_changes(fbi, 0);
+
+	omapfb_put_mem_region(ofbi->region);
+
+	return r;
+}
+
+static void mmap_user_open(struct vm_area_struct *vma)
+{
+	struct omapfb2_mem_region *rg = vma->vm_private_data;
+
+	omapfb_get_mem_region(rg);
+	atomic_inc(&rg->map_count);
+	omapfb_put_mem_region(rg);
+}
+
+static void mmap_user_close(struct vm_area_struct *vma)
+{
+	struct omapfb2_mem_region *rg = vma->vm_private_data;
+
+	omapfb_get_mem_region(rg);
+	atomic_dec(&rg->map_count);
+	omapfb_put_mem_region(rg);
+}
+
+static struct vm_operations_struct mmap_user_ops = {
+	.open = mmap_user_open,
+	.close = mmap_user_close,
+};
+
+static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	struct omapfb2_mem_region *rg;
+	unsigned long off;
+	unsigned long start;
+	u32 len;
+	int r = -EINVAL;
+
+	if (vma->vm_end - vma->vm_start == 0)
+		return 0;
+	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
+		return -EINVAL;
+	off = vma->vm_pgoff << PAGE_SHIFT;
+
+	rg = omapfb_get_mem_region(ofbi->region);
+
+	start = omapfb_get_region_paddr(ofbi);
+	len = fix->smem_len;
+	if (off >= len)
+		goto error;
+	if ((vma->vm_end - vma->vm_start + off) > len)
+		goto error;
+
+	off += start;
+
+	DBG("user mmap region start %lx, len %d, off %lx\n", start, len, off);
+
+	vma->vm_pgoff = off >> PAGE_SHIFT;
+	vma->vm_flags |= VM_IO | VM_RESERVED;
+	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+	vma->vm_ops = &mmap_user_ops;
+	vma->vm_private_data = rg;
+	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
+			       vma->vm_end - vma->vm_start,
+			       vma->vm_page_prot)) {
+		r = -EAGAIN;
+		goto error;
+	}
+
+	/* vm_ops.open won't be called for mmap itself. */
+	atomic_inc(&rg->map_count);
+
+	omapfb_put_mem_region(rg);
+
+	return 0;
+
+ error:
+	omapfb_put_mem_region(ofbi->region);
+
+	return r;
+}
+
+/* Store a single color palette entry into a pseudo palette or the hardware
+ * palette if one is available. For now we support only 16bpp and thus store
+ * the entry only to the pseudo palette.
+ */
+static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green,
+		u_int blue, u_int transp, int update_hw_pal)
+{
+	/*struct omapfb_info *ofbi = FB2OFB(fbi);*/
+	/*struct omapfb2_device *fbdev = ofbi->fbdev;*/
+	struct fb_var_screeninfo *var = &fbi->var;
+	int r = 0;
+
+	enum omapfb_color_format mode = OMAPFB_COLOR_RGB24U; /* XXX */
+
+	/*switch (plane->color_mode) {*/
+	switch (mode) {
+	case OMAPFB_COLOR_YUV422:
+	case OMAPFB_COLOR_YUV420:
+	case OMAPFB_COLOR_YUY422:
+		r = -EINVAL;
+		break;
+	case OMAPFB_COLOR_CLUT_8BPP:
+	case OMAPFB_COLOR_CLUT_4BPP:
+	case OMAPFB_COLOR_CLUT_2BPP:
+	case OMAPFB_COLOR_CLUT_1BPP:
+		/*
+		   if (fbdev->ctrl->setcolreg)
+		   r = fbdev->ctrl->setcolreg(regno, red, green, blue,
+		   transp, update_hw_pal);
+		   */
+		/* Fallthrough */
+		r = -EINVAL;
+		break;
+	case OMAPFB_COLOR_RGB565:
+	case OMAPFB_COLOR_RGB444:
+	case OMAPFB_COLOR_RGB24P:
+	case OMAPFB_COLOR_RGB24U:
+		if (r != 0)
+			break;
+
+		if (regno < 16) {
+			u16 pal;
+			pal = ((red >> (16 - var->red.length)) <<
+					var->red.offset) |
+				((green >> (16 - var->green.length)) <<
+				 var->green.offset) |
+				(blue >> (16 - var->blue.length));
+			((u32 *)(fbi->pseudo_palette))[regno] = pal;
+		}
+		break;
+	default:
+		BUG();
+	}
+	return r;
+}
+
+static int omapfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
+		u_int transp, struct fb_info *info)
+{
+	DBG("setcolreg\n");
+
+	return _setcolreg(info, regno, red, green, blue, transp, 1);
+}
+
+static int omapfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
+{
+	int count, index, r;
+	u16 *red, *green, *blue, *transp;
+	u16 trans = 0xffff;
+
+	DBG("setcmap\n");
+
+	red     = cmap->red;
+	green   = cmap->green;
+	blue    = cmap->blue;
+	transp  = cmap->transp;
+	index   = cmap->start;
+
+	for (count = 0; count < cmap->len; count++) {
+		if (transp)
+			trans = *transp++;
+		r = _setcolreg(info, index++, *red++, *green++, *blue++, trans,
+				count == cmap->len - 1);
+		if (r != 0)
+			return r;
+	}
+
+	return 0;
+}
+
+static int omapfb_blank(int blank, struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_dss_device *display = fb2display(fbi);
+	struct omapfb_display_data *d;
+	int r = 0;
+
+	if (!display)
+		return -EINVAL;
+
+	omapfb_lock(fbdev);
+
+	d = get_display_data(fbdev, display);
+
+	switch (blank) {
+	case FB_BLANK_UNBLANK:
+		if (display->state != OMAP_DSS_DISPLAY_SUSPENDED)
+			goto exit;
+
+		if (display->driver->resume)
+			r = display->driver->resume(display);
+
+		if ((display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) &&
+				d->update_mode == OMAPFB_AUTO_UPDATE &&
+				!d->auto_update_work_enabled)
+			omapfb_start_auto_update(fbdev, display);
+
+		break;
+
+	case FB_BLANK_NORMAL:
+		/* FB_BLANK_NORMAL could be implemented.
+		 * Needs DSS additions. */
+	case FB_BLANK_VSYNC_SUSPEND:
+	case FB_BLANK_HSYNC_SUSPEND:
+	case FB_BLANK_POWERDOWN:
+		if (display->state != OMAP_DSS_DISPLAY_ACTIVE)
+			goto exit;
+
+		if (d->auto_update_work_enabled)
+			omapfb_stop_auto_update(fbdev, display);
+
+		if (display->driver->suspend)
+			r = display->driver->suspend(display);
+
+		break;
+
+	default:
+		r = -EINVAL;
+	}
+
+exit:
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+#if 0
+/* XXX fb_read and fb_write are needed for VRFB */
+ssize_t omapfb_write(struct fb_info *info, const char __user *buf,
+		size_t count, loff_t *ppos)
+{
+	DBG("omapfb_write %d, %lu\n", count, (unsigned long)*ppos);
+	/* XXX needed for VRFB */
+	return count;
+}
+#endif
+
+static struct fb_ops omapfb_ops = {
+	.owner          = THIS_MODULE,
+	.fb_open        = omapfb_open,
+	.fb_release     = omapfb_release,
+	.fb_fillrect    = cfb_fillrect,
+	.fb_copyarea    = cfb_copyarea,
+	.fb_imageblit   = cfb_imageblit,
+	.fb_blank       = omapfb_blank,
+	.fb_ioctl       = omapfb_ioctl,
+	.fb_check_var   = omapfb_check_var,
+	.fb_set_par     = omapfb_set_par,
+	.fb_pan_display = omapfb_pan_display,
+	.fb_mmap	= omapfb_mmap,
+	.fb_setcolreg	= omapfb_setcolreg,
+	.fb_setcmap	= omapfb_setcmap,
+	/*.fb_write	= omapfb_write,*/
+};
+
+static void omapfb_free_fbmem(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb2_mem_region *rg;
+
+	rg = ofbi->region;
+
+	WARN_ON(atomic_read(&rg->map_count));
+
+	if (rg->paddr)
+		if (omap_vram_free(rg->paddr, rg->size))
+			dev_err(fbdev->dev, "VRAM FREE failed\n");
+
+	if (rg->vaddr)
+		iounmap(rg->vaddr);
+
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+		/* unmap the 0 angle rotation */
+		if (rg->vrfb.vaddr[0]) {
+			iounmap(rg->vrfb.vaddr[0]);
+			omap_vrfb_release_ctx(&rg->vrfb);
+			rg->vrfb.vaddr[0] = NULL;
+		}
+	}
+
+	rg->vaddr = NULL;
+	rg->paddr = 0;
+	rg->alloc = 0;
+	rg->size = 0;
+}
+
+static void clear_fb_info(struct fb_info *fbi)
+{
+	memset(&fbi->var, 0, sizeof(fbi->var));
+	memset(&fbi->fix, 0, sizeof(fbi->fix));
+	strlcpy(fbi->fix.id, MODULE_NAME, sizeof(fbi->fix.id));
+}
+
+static int omapfb_free_all_fbmem(struct omapfb2_device *fbdev)
+{
+	int i;
+
+	DBG("free all fbmem\n");
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct fb_info *fbi = fbdev->fbs[i];
+		omapfb_free_fbmem(fbi);
+		clear_fb_info(fbi);
+	}
+
+	return 0;
+}
+
+static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
+		unsigned long paddr)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb2_mem_region *rg;
+	void __iomem *vaddr;
+	int r;
+
+	rg = ofbi->region;
+
+	rg->paddr = 0;
+	rg->vaddr = NULL;
+	memset(&rg->vrfb, 0, sizeof rg->vrfb);
+	rg->size = 0;
+	rg->type = 0;
+	rg->alloc = false;
+	rg->map = false;
+
+	size = PAGE_ALIGN(size);
+
+	if (!paddr) {
+		DBG("allocating %lu bytes for fb %d\n", size, ofbi->id);
+		r = omap_vram_alloc(size, &paddr);
+	} else {
+		DBG("reserving %lu bytes at %lx for fb %d\n", size, paddr,
+				ofbi->id);
+		r = omap_vram_reserve(paddr, size);
+	}
+
+	if (r) {
+		dev_err(fbdev->dev, "failed to allocate framebuffer\n");
+		return -ENOMEM;
+	}
+
+	if (ofbi->rotation_type != OMAP_DSS_ROT_VRFB) {
+		vaddr = ioremap_wc(paddr, size);
+
+		if (!vaddr) {
+			dev_err(fbdev->dev, "failed to ioremap framebuffer\n");
+			omap_vram_free(paddr, size);
+			return -ENOMEM;
+		}
+
+		DBG("allocated VRAM paddr %lx, vaddr %p\n", paddr, vaddr);
+	} else {
+		r = omap_vrfb_request_ctx(&rg->vrfb);
+		if (r) {
+			dev_err(fbdev->dev, "vrfb create ctx failed\n");
+			return r;
+		}
+
+		vaddr = NULL;
+	}
+
+	rg->paddr = paddr;
+	rg->vaddr = vaddr;
+	rg->size = size;
+	rg->alloc = 1;
+
+	return 0;
+}
+
+/* allocate fbmem using display resolution as reference */
+static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
+		unsigned long paddr)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_dss_device *display;
+	int bytespp;
+
+	display =  fb2display(fbi);
+
+	if (!display)
+		return 0;
+
+	switch (omapfb_get_recommended_bpp(fbdev, display)) {
+	case 16:
+		bytespp = 2;
+		break;
+	case 24:
+		bytespp = 4;
+		break;
+	default:
+		bytespp = 4;
+		break;
+	}
+
+	if (!size) {
+		u16 w, h;
+
+		display->driver->get_resolution(display, &w, &h);
+
+		if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+			size = max(omap_vrfb_min_phys_size(w, h, bytespp),
+					omap_vrfb_min_phys_size(h, w, bytespp));
+
+			DBG("adjusting fb mem size for VRFB, %u -> %lu\n",
+					w * h * bytespp, size);
+		} else {
+			size = w * h * bytespp;
+		}
+	}
+
+	if (!size)
+		return 0;
+
+	return omapfb_alloc_fbmem(fbi, size, paddr);
+}
+
+static int omapfb_parse_vram_param(const char *param, int max_entries,
+		unsigned long *sizes, unsigned long *paddrs)
+{
+	int fbnum;
+	unsigned long size;
+	unsigned long paddr = 0;
+	char *p, *start;
+
+	start = (char *)param;
+
+	while (1) {
+		p = start;
+
+		fbnum = simple_strtoul(p, &p, 10);
+
+		if (p == param)
+			return -EINVAL;
+
+		if (*p != ':')
+			return -EINVAL;
+
+		if (fbnum >= max_entries)
+			return -EINVAL;
+
+		size = memparse(p + 1, &p);
+
+		if (!size)
+			return -EINVAL;
+
+		paddr = 0;
+
+		if (*p == '@') {
+			paddr = simple_strtoul(p + 1, &p, 16);
+
+			if (!paddr)
+				return -EINVAL;
+
+		}
+
+		paddrs[fbnum] = paddr;
+		sizes[fbnum] = size;
+
+		if (*p == 0)
+			break;
+
+		if (*p != ',')
+			return -EINVAL;
+
+		++p;
+
+		start = p;
+	}
+
+	return 0;
+}
+
+static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev)
+{
+	int i, r;
+	unsigned long vram_sizes[10];
+	unsigned long vram_paddrs[10];
+
+	memset(&vram_sizes, 0, sizeof(vram_sizes));
+	memset(&vram_paddrs, 0, sizeof(vram_paddrs));
+
+	if (def_vram &&	omapfb_parse_vram_param(def_vram, 10,
+				vram_sizes, vram_paddrs)) {
+		dev_err(fbdev->dev, "failed to parse vram parameter\n");
+
+		memset(&vram_sizes, 0, sizeof(vram_sizes));
+		memset(&vram_paddrs, 0, sizeof(vram_paddrs));
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		/* allocate memory automatically only for fb0, or if
+		 * excplicitly defined with vram or plat data option */
+		if (i == 0 || vram_sizes[i] != 0) {
+			r = omapfb_alloc_fbmem_display(fbdev->fbs[i],
+					vram_sizes[i], vram_paddrs[i]);
+
+			if (r)
+				return r;
+		}
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+		struct omapfb2_mem_region *rg;
+		rg = ofbi->region;
+
+		DBG("region%d phys %08x virt %p size=%lu\n",
+				i,
+				rg->paddr,
+				rg->vaddr,
+				rg->size);
+	}
+
+	return 0;
+}
+
+int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_dss_device *display = fb2display(fbi);
+	struct omapfb2_mem_region *rg = ofbi->region;
+	unsigned long old_size = rg->size;
+	unsigned long old_paddr = rg->paddr;
+	int old_type = rg->type;
+	int r;
+
+	if (type != OMAPFB_MEMTYPE_SDRAM)
+		return -EINVAL;
+
+	size = PAGE_ALIGN(size);
+
+	if (old_size == size && old_type == type)
+		return 0;
+
+	if (display && display->driver->sync)
+			display->driver->sync(display);
+
+	omapfb_free_fbmem(fbi);
+
+	if (size == 0) {
+		clear_fb_info(fbi);
+		return 0;
+	}
+
+	r = omapfb_alloc_fbmem(fbi, size, 0);
+
+	if (r) {
+		if (old_size)
+			omapfb_alloc_fbmem(fbi, old_size, old_paddr);
+
+		if (rg->size == 0)
+			clear_fb_info(fbi);
+
+		return r;
+	}
+
+	if (old_size == size)
+		return 0;
+
+	if (old_size == 0) {
+		DBG("initializing fb %d\n", ofbi->id);
+		r = omapfb_fb_init(fbdev, fbi);
+		if (r) {
+			DBG("omapfb_fb_init failed\n");
+			goto err;
+		}
+		r = omapfb_apply_changes(fbi, 1);
+		if (r) {
+			DBG("omapfb_apply_changes failed\n");
+			goto err;
+		}
+	} else {
+		struct fb_var_screeninfo new_var;
+		memcpy(&new_var, &fbi->var, sizeof(new_var));
+		r = check_fb_var(fbi, &new_var);
+		if (r)
+			goto err;
+		memcpy(&fbi->var, &new_var, sizeof(fbi->var));
+		set_fb_fix(fbi);
+		r = setup_vrfb_rotation(fbi);
+		if (r)
+			goto err;
+	}
+
+	return 0;
+err:
+	omapfb_free_fbmem(fbi);
+	clear_fb_info(fbi);
+	return r;
+}
+
+static void omapfb_auto_update_work(struct work_struct *work)
+{
+	struct omap_dss_device *dssdev;
+	struct omap_dss_driver *dssdrv;
+	struct omapfb_display_data *d;
+	u16 w, h;
+	unsigned int freq;
+	struct omapfb2_device *fbdev;
+
+	d = container_of(work, struct omapfb_display_data,
+			auto_update_work.work);
+
+	dssdev = d->dssdev;
+	dssdrv = dssdev->driver;
+	fbdev = d->fbdev;
+
+	if (!dssdrv || !dssdrv->update)
+		return;
+
+	if (dssdrv->sync)
+		dssdrv->sync(dssdev);
+
+	dssdrv->get_resolution(dssdev, &w, &h);
+	dssdrv->update(dssdev, 0, 0, w, h);
+
+	freq = auto_update_freq;
+	if (freq == 0)
+		freq = 20;
+	queue_delayed_work(fbdev->auto_update_wq,
+			&d->auto_update_work, HZ / freq);
+}
+
+void omapfb_start_auto_update(struct omapfb2_device *fbdev,
+		struct omap_dss_device *display)
+{
+	struct omapfb_display_data *d;
+
+	if (fbdev->auto_update_wq == NULL) {
+		struct workqueue_struct *wq;
+
+		wq = create_singlethread_workqueue("omapfb_auto_update");
+
+		if (wq == NULL) {
+			dev_err(fbdev->dev, "Failed to create workqueue for "
+					"auto-update\n");
+			return;
+		}
+
+		fbdev->auto_update_wq = wq;
+	}
+
+	d = get_display_data(fbdev, display);
+
+	INIT_DELAYED_WORK(&d->auto_update_work, omapfb_auto_update_work);
+
+	d->auto_update_work_enabled = true;
+
+	omapfb_auto_update_work(&d->auto_update_work.work);
+}
+
+void omapfb_stop_auto_update(struct omapfb2_device *fbdev,
+		struct omap_dss_device *display)
+{
+	struct omapfb_display_data *d;
+
+	d = get_display_data(fbdev, display);
+
+	cancel_delayed_work_sync(&d->auto_update_work);
+
+	d->auto_update_work_enabled = false;
+}
+
+/* initialize fb_info, var, fix to something sane based on the display */
+static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct omap_dss_device *display = fb2display(fbi);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int r = 0;
+
+	fbi->fbops = &omapfb_ops;
+	fbi->flags = FBINFO_FLAG_DEFAULT;
+	fbi->pseudo_palette = fbdev->pseudo_palette;
+
+	if (ofbi->region->size == 0) {
+		clear_fb_info(fbi);
+		return 0;
+	}
+
+	var->nonstd = 0;
+	var->bits_per_pixel = 0;
+
+	var->rotate = def_rotate;
+
+	if (display) {
+		u16 w, h;
+		int rotation = (var->rotate + ofbi->rotation[0]) % 4;
+
+		display->driver->get_resolution(display, &w, &h);
+
+		if (rotation == FB_ROTATE_CW ||
+				rotation == FB_ROTATE_CCW) {
+			var->xres = h;
+			var->yres = w;
+		} else {
+			var->xres = w;
+			var->yres = h;
+		}
+
+		var->xres_virtual = var->xres;
+		var->yres_virtual = var->yres;
+
+		if (!var->bits_per_pixel) {
+			switch (omapfb_get_recommended_bpp(fbdev, display)) {
+			case 16:
+				var->bits_per_pixel = 16;
+				break;
+			case 24:
+				var->bits_per_pixel = 32;
+				break;
+			default:
+				dev_err(fbdev->dev, "illegal display "
+						"bpp\n");
+				return -EINVAL;
+			}
+		}
+	} else {
+		/* if there's no display, let's just guess some basic values */
+		var->xres = 320;
+		var->yres = 240;
+		var->xres_virtual = var->xres;
+		var->yres_virtual = var->yres;
+		if (!var->bits_per_pixel)
+			var->bits_per_pixel = 16;
+	}
+
+	r = check_fb_var(fbi, var);
+	if (r)
+		goto err;
+
+	set_fb_fix(fbi);
+	r = setup_vrfb_rotation(fbi);
+	if (r)
+		goto err;
+
+	r = fb_alloc_cmap(&fbi->cmap, 256, 0);
+	if (r)
+		dev_err(fbdev->dev, "unable to allocate color map memory\n");
+
+err:
+	return r;
+}
+
+static void fbinfo_cleanup(struct omapfb2_device *fbdev, struct fb_info *fbi)
+{
+	fb_dealloc_cmap(&fbi->cmap);
+}
+
+
+static void omapfb_free_resources(struct omapfb2_device *fbdev)
+{
+	int i;
+
+	DBG("free_resources\n");
+
+	if (fbdev == NULL)
+		return;
+
+	for (i = 0; i < fbdev->num_fbs; i++)
+		unregister_framebuffer(fbdev->fbs[i]);
+
+	/* free the reserved fbmem */
+	omapfb_free_all_fbmem(fbdev);
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		fbinfo_cleanup(fbdev, fbdev->fbs[i]);
+		framebuffer_release(fbdev->fbs[i]);
+	}
+
+	for (i = 0; i < fbdev->num_displays; i++) {
+		struct omap_dss_device *dssdev = fbdev->displays[i].dssdev;
+
+		if (fbdev->displays[i].auto_update_work_enabled)
+			omapfb_stop_auto_update(fbdev, dssdev);
+
+		if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
+			dssdev->driver->disable(dssdev);
+
+		omap_dss_put_device(dssdev);
+	}
+
+	if (fbdev->auto_update_wq != NULL) {
+		flush_workqueue(fbdev->auto_update_wq);
+		destroy_workqueue(fbdev->auto_update_wq);
+		fbdev->auto_update_wq = NULL;
+	}
+
+	dev_set_drvdata(fbdev->dev, NULL);
+	kfree(fbdev);
+}
+
+static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
+{
+	int r, i;
+
+	fbdev->num_fbs = 0;
+
+	DBG("create %d framebuffers\n",	CONFIG_FB_OMAP2_NUM_FBS);
+
+	/* allocate fb_infos */
+	for (i = 0; i < CONFIG_FB_OMAP2_NUM_FBS; i++) {
+		struct fb_info *fbi;
+		struct omapfb_info *ofbi;
+
+		fbi = framebuffer_alloc(sizeof(struct omapfb_info),
+				fbdev->dev);
+
+		if (fbi == NULL) {
+			dev_err(fbdev->dev,
+				"unable to allocate memory for plane info\n");
+			return -ENOMEM;
+		}
+
+		clear_fb_info(fbi);
+
+		fbdev->fbs[i] = fbi;
+
+		ofbi = FB2OFB(fbi);
+		ofbi->fbdev = fbdev;
+		ofbi->id = i;
+
+		ofbi->region = &fbdev->regions[i];
+		ofbi->region->id = i;
+		init_rwsem(&ofbi->region->lock);
+
+		/* assign these early, so that fb alloc can use them */
+		ofbi->rotation_type = def_vrfb ? OMAP_DSS_ROT_VRFB :
+			OMAP_DSS_ROT_DMA;
+		ofbi->mirror = def_mirror;
+
+		fbdev->num_fbs++;
+	}
+
+	DBG("fb_infos allocated\n");
+
+	/* assign overlays for the fbs */
+	for (i = 0; i < min(fbdev->num_fbs, fbdev->num_overlays); i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+
+		ofbi->overlays[0] = fbdev->overlays[i];
+		ofbi->num_overlays = 1;
+	}
+
+	/* allocate fb memories */
+	r = omapfb_allocate_all_fbs(fbdev);
+	if (r) {
+		dev_err(fbdev->dev, "failed to allocate fbmem\n");
+		return r;
+	}
+
+	DBG("fbmems allocated\n");
+
+	/* setup fb_infos */
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct fb_info *fbi = fbdev->fbs[i];
+		struct omapfb_info *ofbi = FB2OFB(fbi);
+
+		omapfb_get_mem_region(ofbi->region);
+		r = omapfb_fb_init(fbdev, fbi);
+		omapfb_put_mem_region(ofbi->region);
+
+		if (r) {
+			dev_err(fbdev->dev, "failed to setup fb_info\n");
+			return r;
+		}
+	}
+
+	DBG("fb_infos initialized\n");
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		r = register_framebuffer(fbdev->fbs[i]);
+		if (r != 0) {
+			dev_err(fbdev->dev,
+				"registering framebuffer %d failed\n", i);
+			return r;
+		}
+	}
+
+	DBG("framebuffers registered\n");
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct fb_info *fbi = fbdev->fbs[i];
+		struct omapfb_info *ofbi = FB2OFB(fbi);
+
+		omapfb_get_mem_region(ofbi->region);
+		r = omapfb_apply_changes(fbi, 1);
+		omapfb_put_mem_region(ofbi->region);
+
+		if (r) {
+			dev_err(fbdev->dev, "failed to change mode\n");
+			return r;
+		}
+	}
+
+	/* Enable fb0 */
+	if (fbdev->num_fbs > 0) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[0]);
+
+		if (ofbi->num_overlays > 0) {
+			struct omap_overlay *ovl = ofbi->overlays[0];
+
+			ovl->manager->apply(ovl->manager);
+
+			r = omapfb_overlay_enable(ovl, 1);
+
+			if (r) {
+				dev_err(fbdev->dev,
+						"failed to enable overlay\n");
+				return r;
+			}
+		}
+	}
+
+	DBG("create_framebuffers done\n");
+
+	return 0;
+}
+
+static int omapfb_mode_to_timings(const char *mode_str,
+		struct omap_video_timings *timings, u8 *bpp)
+{
+	struct fb_info *fbi;
+	struct fb_var_screeninfo *var;
+	struct fb_ops *fbops;
+	int r;
+
+#ifdef CONFIG_OMAP2_DSS_VENC
+	if (strcmp(mode_str, "pal") == 0) {
+		*timings = omap_dss_pal_timings;
+		*bpp = 24;
+		return 0;
+	} else if (strcmp(mode_str, "ntsc") == 0) {
+		*timings = omap_dss_ntsc_timings;
+		*bpp = 24;
+		return 0;
+	}
+#endif
+
+	/* this is quite a hack, but I wanted to use the modedb and for
+	 * that we need fb_info and var, so we create dummy ones */
+
+	*bpp = 0;
+	fbi = NULL;
+	var = NULL;
+	fbops = NULL;
+
+	fbi = kzalloc(sizeof(*fbi), GFP_KERNEL);
+	if (fbi == NULL) {
+		r = -ENOMEM;
+		goto err;
+	}
+
+	var = kzalloc(sizeof(*var), GFP_KERNEL);
+	if (var == NULL) {
+		r = -ENOMEM;
+		goto err;
+	}
+
+	fbops = kzalloc(sizeof(*fbops), GFP_KERNEL);
+	if (fbops == NULL) {
+		r = -ENOMEM;
+		goto err;
+	}
+
+	fbi->fbops = fbops;
+
+	r = fb_find_mode(var, fbi, mode_str, NULL, 0, NULL, 24);
+	if (r == 0) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	timings->pixel_clock = PICOS2KHZ(var->pixclock);
+	timings->hbp = var->left_margin;
+	timings->hfp = var->right_margin;
+	timings->vbp = var->upper_margin;
+	timings->vfp = var->lower_margin;
+	timings->hsw = var->hsync_len;
+	timings->vsw = var->vsync_len;
+	timings->x_res = var->xres;
+	timings->y_res = var->yres;
+
+	switch (var->bits_per_pixel) {
+	case 16:
+		*bpp = 16;
+		break;
+	case 24:
+	case 32:
+	default:
+		*bpp = 24;
+		break;
+	}
+
+	r = 0;
+
+err:
+	kfree(fbi);
+	kfree(var);
+	kfree(fbops);
+
+	return r;
+}
+
+static int omapfb_set_def_mode(struct omapfb2_device *fbdev,
+		struct omap_dss_device *display, char *mode_str)
+{
+	int r;
+	u8 bpp;
+	struct omap_video_timings timings, temp_timings;
+	struct omapfb_display_data *d;
+
+	r = omapfb_mode_to_timings(mode_str, &timings, &bpp);
+	if (r)
+		return r;
+
+	d = get_display_data(fbdev, display);
+	d->bpp_override = bpp;
+
+	if (display->driver->check_timings) {
+		r = display->driver->check_timings(display, &timings);
+		if (r)
+			return r;
+	} else {
+		/* If check_timings is not present compare xres and yres */
+		if (display->driver->get_timings) {
+			display->driver->get_timings(display, &temp_timings);
+
+			if (temp_timings.x_res != timings.x_res ||
+				temp_timings.y_res != timings.y_res)
+				return -EINVAL;
+		}
+	}
+
+	if (display->driver->set_timings)
+			display->driver->set_timings(display, &timings);
+
+	return 0;
+}
+
+static int omapfb_get_recommended_bpp(struct omapfb2_device *fbdev,
+		struct omap_dss_device *dssdev)
+{
+	struct omapfb_display_data *d;
+
+	BUG_ON(dssdev->driver->get_recommended_bpp == NULL);
+
+	d = get_display_data(fbdev, dssdev);
+
+	if (d->bpp_override != 0)
+		return d->bpp_override;
+
+	return dssdev->driver->get_recommended_bpp(dssdev);
+}
+
+static int omapfb_parse_def_modes(struct omapfb2_device *fbdev)
+{
+	char *str, *options, *this_opt;
+	int r = 0;
+
+	str = kstrdup(def_mode, GFP_KERNEL);
+	if (!str)
+		return -ENOMEM;
+	options = str;
+
+	while (!r && (this_opt = strsep(&options, ",")) != NULL) {
+		char *p, *display_str, *mode_str;
+		struct omap_dss_device *display;
+		int i;
+
+		p = strchr(this_opt, ':');
+		if (!p) {
+			r = -EINVAL;
+			break;
+		}
+
+		*p = 0;
+		display_str = this_opt;
+		mode_str = p + 1;
+
+		display = NULL;
+		for (i = 0; i < fbdev->num_displays; ++i) {
+			if (strcmp(fbdev->displays[i].dssdev->name,
+						display_str) == 0) {
+				display = fbdev->displays[i].dssdev;
+				break;
+			}
+		}
+
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = omapfb_set_def_mode(fbdev, display, mode_str);
+		if (r)
+			break;
+	}
+
+	kfree(str);
+
+	return r;
+}
+
+static void fb_videomode_to_omap_timings(struct fb_videomode *m,
+		struct omap_video_timings *t)
+{
+	t->x_res = m->xres;
+	t->y_res = m->yres;
+	t->pixel_clock = PICOS2KHZ(m->pixclock);
+	t->hsw = m->hsync_len;
+	t->hfp = m->right_margin;
+	t->hbp = m->left_margin;
+	t->vsw = m->vsync_len;
+	t->vfp = m->lower_margin;
+	t->vbp = m->upper_margin;
+}
+
+static int omapfb_find_best_mode(struct omap_dss_device *display,
+		struct omap_video_timings *timings)
+{
+	struct fb_monspecs *specs;
+	u8 *edid;
+	int r, i, best_xres, best_idx, len;
+
+	if (!display->driver->read_edid)
+		return -ENODEV;
+
+	len = 0x80 * 2;
+	edid = kmalloc(len, GFP_KERNEL);
+
+	r = display->driver->read_edid(display, edid, len);
+	if (r < 0)
+		goto err1;
+
+	specs = kzalloc(sizeof(*specs), GFP_KERNEL);
+
+	fb_edid_to_monspecs(edid, specs);
+
+	if (edid[126] > 0)
+		fb_edid_add_monspecs(edid + 0x80, specs);
+
+	best_xres = 0;
+	best_idx = -1;
+
+	for (i = 0; i < specs->modedb_len; ++i) {
+		struct fb_videomode *m;
+		struct omap_video_timings t;
+
+		m = &specs->modedb[i];
+
+		if (m->pixclock == 0)
+			continue;
+
+		/* skip repeated pixel modes */
+		if (m->xres == 2880 || m->xres == 1440)
+			continue;
+
+		fb_videomode_to_omap_timings(m, &t);
+
+		r = display->driver->check_timings(display, &t);
+		if (r == 0 && best_xres < m->xres) {
+			best_xres = m->xres;
+			best_idx = i;
+		}
+	}
+
+	if (best_xres == 0) {
+		r = -ENOENT;
+		goto err2;
+	}
+
+	fb_videomode_to_omap_timings(&specs->modedb[best_idx], timings);
+
+	r = 0;
+
+err2:
+	fb_destroy_modedb(specs->modedb);
+	kfree(specs);
+err1:
+	kfree(edid);
+
+	return r;
+}
+
+static int omapfb_init_display(struct omapfb2_device *fbdev,
+		struct omap_dss_device *dssdev)
+{
+	struct omap_dss_driver *dssdrv = dssdev->driver;
+	struct omapfb_display_data *d;
+	int r;
+
+	r = dssdrv->enable(dssdev);
+	if (r) {
+		dev_warn(fbdev->dev, "Failed to enable display '%s'\n",
+				dssdev->name);
+		return r;
+	}
+
+	d = get_display_data(fbdev, dssdev);
+
+	d->fbdev = fbdev;
+
+	if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
+		u16 w, h;
+
+		if (auto_update) {
+			omapfb_start_auto_update(fbdev, dssdev);
+			d->update_mode = OMAPFB_AUTO_UPDATE;
+		} else {
+			d->update_mode = OMAPFB_MANUAL_UPDATE;
+		}
+
+		if (dssdrv->enable_te) {
+			r = dssdrv->enable_te(dssdev, 1);
+			if (r) {
+				dev_err(fbdev->dev, "Failed to set TE\n");
+				return r;
+			}
+		}
+
+		dssdrv->get_resolution(dssdev, &w, &h);
+		r = dssdrv->update(dssdev, 0, 0, w, h);
+		if (r) {
+			dev_err(fbdev->dev,
+					"Failed to update display\n");
+			return r;
+		}
+	} else {
+		d->update_mode = OMAPFB_AUTO_UPDATE;
+	}
+
+	return 0;
+}
+
+static int omapfb_probe(struct platform_device *pdev)
+{
+	struct omapfb2_device *fbdev = NULL;
+	int r = 0;
+	int i;
+	struct omap_overlay *ovl;
+	struct omap_dss_device *def_display;
+	struct omap_dss_device *dssdev;
+
+	DBG("omapfb_probe\n");
+
+	if (pdev->num_resources != 0) {
+		dev_err(&pdev->dev, "probed for an unknown device\n");
+		r = -ENODEV;
+		goto err0;
+	}
+
+	fbdev = kzalloc(sizeof(struct omapfb2_device), GFP_KERNEL);
+	if (fbdev == NULL) {
+		r = -ENOMEM;
+		goto err0;
+	}
+
+	/* TODO : Replace cpu check with omap_has_vrfb once HAS_FEATURE
+	*	 available for OMAP2 and OMAP3
+	*/
+	if (def_vrfb && !cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+		def_vrfb = 0;
+		dev_warn(&pdev->dev, "VRFB is not supported on this hardware, "
+				"ignoring the module parameter vrfb=y\n");
+	}
+
+
+	mutex_init(&fbdev->mtx);
+
+	fbdev->dev = &pdev->dev;
+	platform_set_drvdata(pdev, fbdev);
+
+	r = 0;
+	fbdev->num_displays = 0;
+	dssdev = NULL;
+	for_each_dss_dev(dssdev) {
+		struct omapfb_display_data *d;
+
+		omap_dss_get_device(dssdev);
+
+		if (!dssdev->driver) {
+			dev_warn(&pdev->dev, "no driver for display: %s\n",
+				dssdev->name);
+			omap_dss_put_device(dssdev);
+			continue;
+		}
+
+		d = &fbdev->displays[fbdev->num_displays++];
+		d->dssdev = dssdev;
+		if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE)
+			d->update_mode = OMAPFB_MANUAL_UPDATE;
+		else
+			d->update_mode = OMAPFB_AUTO_UPDATE;
+	}
+
+	if (r)
+		goto cleanup;
+
+	if (fbdev->num_displays == 0) {
+		dev_err(&pdev->dev, "no displays\n");
+		r = -EINVAL;
+		goto cleanup;
+	}
+
+	fbdev->num_overlays = omap_dss_get_num_overlays();
+	for (i = 0; i < fbdev->num_overlays; i++)
+		fbdev->overlays[i] = omap_dss_get_overlay(i);
+
+	fbdev->num_managers = omap_dss_get_num_overlay_managers();
+	for (i = 0; i < fbdev->num_managers; i++)
+		fbdev->managers[i] = omap_dss_get_overlay_manager(i);
+
+	/* gfx overlay should be the default one. find a display
+	 * connected to that, and use it as default display */
+	ovl = omap_dss_get_overlay(0);
+	if (ovl->manager && ovl->manager->device) {
+		def_display = ovl->manager->device;
+	} else {
+		dev_warn(&pdev->dev, "cannot find default display\n");
+		def_display = NULL;
+	}
+
+	if (def_mode && strlen(def_mode) > 0) {
+		if (omapfb_parse_def_modes(fbdev))
+			dev_warn(&pdev->dev, "cannot parse default modes\n");
+	} else if (def_display && def_display->driver->set_timings &&
+			def_display->driver->check_timings) {
+		struct omap_video_timings t;
+
+		r = omapfb_find_best_mode(def_display, &t);
+
+		if (r == 0)
+			def_display->driver->set_timings(def_display, &t);
+	}
+
+	r = omapfb_create_framebuffers(fbdev);
+	if (r)
+		goto cleanup;
+
+	for (i = 0; i < fbdev->num_managers; i++) {
+		struct omap_overlay_manager *mgr;
+		mgr = fbdev->managers[i];
+		r = mgr->apply(mgr);
+		if (r)
+			dev_warn(fbdev->dev, "failed to apply dispc config\n");
+	}
+
+	DBG("mgr->apply'ed\n");
+
+	if (def_display) {
+		r = omapfb_init_display(fbdev, def_display);
+		if (r) {
+			dev_err(fbdev->dev,
+					"failed to initialize default "
+					"display\n");
+			goto cleanup;
+		}
+	}
+
+	DBG("create sysfs for fbs\n");
+	r = omapfb_create_sysfs(fbdev);
+	if (r) {
+		dev_err(fbdev->dev, "failed to create sysfs entries\n");
+		goto cleanup;
+	}
+
+	return 0;
+
+cleanup:
+	omapfb_free_resources(fbdev);
+err0:
+	dev_err(&pdev->dev, "failed to setup omapfb\n");
+	return r;
+}
+
+static int omapfb_remove(struct platform_device *pdev)
+{
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+
+	/* FIXME: wait till completion of pending events */
+
+	omapfb_remove_sysfs(fbdev);
+
+	omapfb_free_resources(fbdev);
+
+	return 0;
+}
+
+static struct platform_driver omapfb_driver = {
+	.probe          = omapfb_probe,
+	.remove         = omapfb_remove,
+	.driver         = {
+		.name   = "omapfb",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init omapfb_init(void)
+{
+	DBG("omapfb_init\n");
+
+	if (platform_driver_register(&omapfb_driver)) {
+		printk(KERN_ERR "failed to register omapfb driver\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __exit omapfb_exit(void)
+{
+	DBG("omapfb_exit\n");
+	platform_driver_unregister(&omapfb_driver);
+}
+
+module_param_named(mode, def_mode, charp, 0);
+module_param_named(vram, def_vram, charp, 0);
+module_param_named(rotate, def_rotate, int, 0);
+module_param_named(vrfb, def_vrfb, bool, 0);
+module_param_named(mirror, def_mirror, bool, 0);
+
+/* late_initcall to let panel/ctrl drivers loaded first.
+ * I guess better option would be a more dynamic approach,
+ * so that omapfb reacts to new panels when they are loaded */
+late_initcall(omapfb_init);
+/*module_init(omapfb_init);*/
+module_exit(omapfb_exit);
+
+MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
+MODULE_DESCRIPTION("OMAP2/3 Framebuffer");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
new file mode 100644
index 00000000..e8d8cc76
--- /dev/null
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
@@ -0,0 +1,601 @@
+/*
+ * linux/drivers/video/omap2/omapfb-sysfs.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/fb.h>
+#include <linux/sysfs.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/omapfb.h>
+
+#include <video/omapdss.h>
+#include <plat/vrfb.h>
+
+#include "omapfb.h"
+
+static ssize_t show_rotate_type(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->rotation_type);
+}
+
+static ssize_t store_rotate_type(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_mem_region *rg;
+	int rot_type;
+	int r;
+
+	r = kstrtoint(buf, 0, &rot_type);
+	if (r)
+		return r;
+
+	if (rot_type != OMAP_DSS_ROT_DMA && rot_type != OMAP_DSS_ROT_VRFB)
+		return -EINVAL;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+
+	r = 0;
+	if (rot_type == ofbi->rotation_type)
+		goto out;
+
+	rg = omapfb_get_mem_region(ofbi->region);
+
+	if (rg->size) {
+		r = -EBUSY;
+		goto put_region;
+	}
+
+	ofbi->rotation_type = rot_type;
+
+	/*
+	 * Since the VRAM for this FB is not allocated at the moment we don't
+	 * need to do any further parameter checking at this point.
+	 */
+put_region:
+	omapfb_put_mem_region(rg);
+out:
+	unlock_fb_info(fbi);
+
+	return r ? r : count;
+}
+
+
+static ssize_t show_mirror(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->mirror);
+}
+
+static ssize_t store_mirror(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	bool mirror;
+	int r;
+	struct fb_var_screeninfo new_var;
+
+	r = strtobool(buf, &mirror);
+	if (r)
+		return r;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+
+	ofbi->mirror = mirror;
+
+	omapfb_get_mem_region(ofbi->region);
+
+	memcpy(&new_var, &fbi->var, sizeof(new_var));
+	r = check_fb_var(fbi, &new_var);
+	if (r)
+		goto out;
+	memcpy(&fbi->var, &new_var, sizeof(fbi->var));
+
+	set_fb_fix(fbi);
+
+	r = omapfb_apply_changes(fbi, 0);
+	if (r)
+		goto out;
+
+	r = count;
+out:
+	omapfb_put_mem_region(ofbi->region);
+
+	unlock_fb_info(fbi);
+
+	return r;
+}
+
+static ssize_t show_overlays(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	ssize_t l = 0;
+	int t;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+	omapfb_lock(fbdev);
+
+	for (t = 0; t < ofbi->num_overlays; t++) {
+		struct omap_overlay *ovl = ofbi->overlays[t];
+		int ovlnum;
+
+		for (ovlnum = 0; ovlnum < fbdev->num_overlays; ++ovlnum)
+			if (ovl == fbdev->overlays[ovlnum])
+				break;
+
+		l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
+				t == 0 ? "" : ",", ovlnum);
+	}
+
+	l += snprintf(buf + l, PAGE_SIZE - l, "\n");
+
+	omapfb_unlock(fbdev);
+	unlock_fb_info(fbi);
+
+	return l;
+}
+
+static struct omapfb_info *get_overlay_fb(struct omapfb2_device *fbdev,
+		struct omap_overlay *ovl)
+{
+	int i, t;
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+
+		for (t = 0; t < ofbi->num_overlays; t++) {
+			if (ofbi->overlays[t] == ovl)
+				return ofbi;
+		}
+	}
+
+	return NULL;
+}
+
+static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_overlay *ovls[OMAPFB_MAX_OVL_PER_FB];
+	struct omap_overlay *ovl;
+	int num_ovls, r, i;
+	int len;
+	bool added = false;
+
+	num_ovls = 0;
+
+	len = strlen(buf);
+	if (buf[len - 1] == '\n')
+		len = len - 1;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+	omapfb_lock(fbdev);
+
+	if (len > 0) {
+		char *p = (char *)buf;
+		int ovlnum;
+
+		while (p < buf + len) {
+			int found;
+			if (num_ovls == OMAPFB_MAX_OVL_PER_FB) {
+				r = -EINVAL;
+				goto out;
+			}
+
+			ovlnum = simple_strtoul(p, &p, 0);
+			if (ovlnum > fbdev->num_overlays) {
+				r = -EINVAL;
+				goto out;
+			}
+
+			found = 0;
+			for (i = 0; i < num_ovls; ++i) {
+				if (ovls[i] == fbdev->overlays[ovlnum]) {
+					found = 1;
+					break;
+				}
+			}
+
+			if (!found)
+				ovls[num_ovls++] = fbdev->overlays[ovlnum];
+
+			p++;
+		}
+	}
+
+	for (i = 0; i < num_ovls; ++i) {
+		struct omapfb_info *ofbi2 = get_overlay_fb(fbdev, ovls[i]);
+		if (ofbi2 && ofbi2 != ofbi) {
+			dev_err(fbdev->dev, "overlay already in use\n");
+			r = -EINVAL;
+			goto out;
+		}
+	}
+
+	/* detach unused overlays */
+	for (i = 0; i < ofbi->num_overlays; ++i) {
+		int t, found;
+
+		ovl = ofbi->overlays[i];
+
+		found = 0;
+
+		for (t = 0; t < num_ovls; ++t) {
+			if (ovl == ovls[t]) {
+				found = 1;
+				break;
+			}
+		}
+
+		if (found)
+			continue;
+
+		DBG("detaching %d\n", ofbi->overlays[i]->id);
+
+		omapfb_get_mem_region(ofbi->region);
+
+		omapfb_overlay_enable(ovl, 0);
+
+		if (ovl->manager)
+			ovl->manager->apply(ovl->manager);
+
+		omapfb_put_mem_region(ofbi->region);
+
+		for (t = i + 1; t < ofbi->num_overlays; t++) {
+			ofbi->rotation[t-1] = ofbi->rotation[t];
+			ofbi->overlays[t-1] = ofbi->overlays[t];
+		}
+
+		ofbi->num_overlays--;
+		i--;
+	}
+
+	for (i = 0; i < num_ovls; ++i) {
+		int t, found;
+
+		ovl = ovls[i];
+
+		found = 0;
+
+		for (t = 0; t < ofbi->num_overlays; ++t) {
+			if (ovl == ofbi->overlays[t]) {
+				found = 1;
+				break;
+			}
+		}
+
+		if (found)
+			continue;
+		ofbi->rotation[ofbi->num_overlays] = 0;
+		ofbi->overlays[ofbi->num_overlays++] = ovl;
+
+		added = true;
+	}
+
+	if (added) {
+		omapfb_get_mem_region(ofbi->region);
+
+		r = omapfb_apply_changes(fbi, 0);
+
+		omapfb_put_mem_region(ofbi->region);
+
+		if (r)
+			goto out;
+	}
+
+	r = count;
+out:
+	omapfb_unlock(fbdev);
+	unlock_fb_info(fbi);
+
+	return r;
+}
+
+static ssize_t show_overlays_rotate(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	ssize_t l = 0;
+	int t;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+
+	for (t = 0; t < ofbi->num_overlays; t++) {
+		l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
+				t == 0 ? "" : ",", ofbi->rotation[t]);
+	}
+
+	l += snprintf(buf + l, PAGE_SIZE - l, "\n");
+
+	unlock_fb_info(fbi);
+
+	return l;
+}
+
+static ssize_t store_overlays_rotate(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int num_ovls = 0, r, i;
+	int len;
+	bool changed = false;
+	u8 rotation[OMAPFB_MAX_OVL_PER_FB];
+
+	len = strlen(buf);
+	if (buf[len - 1] == '\n')
+		len = len - 1;
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+
+	if (len > 0) {
+		char *p = (char *)buf;
+
+		while (p < buf + len) {
+			int rot;
+
+			if (num_ovls == ofbi->num_overlays) {
+				r = -EINVAL;
+				goto out;
+			}
+
+			rot = simple_strtoul(p, &p, 0);
+			if (rot < 0 || rot > 3) {
+				r = -EINVAL;
+				goto out;
+			}
+
+			if (ofbi->rotation[num_ovls] != rot)
+				changed = true;
+
+			rotation[num_ovls++] = rot;
+
+			p++;
+		}
+	}
+
+	if (num_ovls != ofbi->num_overlays) {
+		r = -EINVAL;
+		goto out;
+	}
+
+	if (changed) {
+		for (i = 0; i < num_ovls; ++i)
+			ofbi->rotation[i] = rotation[i];
+
+		omapfb_get_mem_region(ofbi->region);
+
+		r = omapfb_apply_changes(fbi, 0);
+
+		omapfb_put_mem_region(ofbi->region);
+
+		if (r)
+			goto out;
+
+		/* FIXME error handling? */
+	}
+
+	r = count;
+out:
+	unlock_fb_info(fbi);
+
+	return r;
+}
+
+static ssize_t show_size(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+
+	return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region->size);
+}
+
+static ssize_t store_size(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb2_mem_region *rg;
+	unsigned long size;
+	int r;
+	int i;
+
+	r = kstrtoul(buf, 0, &size);
+	if (r)
+		return r;
+
+	size = PAGE_ALIGN(size);
+
+	if (!lock_fb_info(fbi))
+		return -ENODEV;
+
+	rg = ofbi->region;
+
+	down_write_nested(&rg->lock, rg->id);
+	atomic_inc(&rg->lock_count);
+
+	if (atomic_read(&rg->map_count)) {
+		r = -EBUSY;
+		goto out;
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]);
+		int j;
+
+		if (ofbi2->region != rg)
+			continue;
+
+		for (j = 0; j < ofbi2->num_overlays; j++) {
+			struct omap_overlay *ovl;
+			ovl = ofbi2->overlays[j];
+			if (ovl->is_enabled(ovl)) {
+				r = -EBUSY;
+				goto out;
+			}
+		}
+	}
+
+	if (size != ofbi->region->size) {
+		r = omapfb_realloc_fbmem(fbi, size, ofbi->region->type);
+		if (r) {
+			dev_err(dev, "realloc fbmem failed\n");
+			goto out;
+		}
+	}
+
+	r = count;
+out:
+	atomic_dec(&rg->lock_count);
+	up_write(&rg->lock);
+
+	unlock_fb_info(fbi);
+
+	return r;
+}
+
+static ssize_t show_phys(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+
+	return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region->paddr);
+}
+
+static ssize_t show_virt(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+
+	return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region->vaddr);
+}
+
+static ssize_t show_upd_mode(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	enum omapfb_update_mode mode;
+	int r;
+
+	r = omapfb_get_update_mode(fbi, &mode);
+
+	if (r)
+		return r;
+
+	return snprintf(buf, PAGE_SIZE, "%u\n", (unsigned)mode);
+}
+
+static ssize_t store_upd_mode(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct fb_info *fbi = dev_get_drvdata(dev);
+	unsigned mode;
+	int r;
+
+	r = kstrtouint(buf, 0, &mode);
+	if (r)
+		return r;
+
+	r = omapfb_set_update_mode(fbi, mode);
+	if (r)
+		return r;
+
+	return count;
+}
+
+static struct device_attribute omapfb_attrs[] = {
+	__ATTR(rotate_type, S_IRUGO | S_IWUSR, show_rotate_type,
+			store_rotate_type),
+	__ATTR(mirror, S_IRUGO | S_IWUSR, show_mirror, store_mirror),
+	__ATTR(size, S_IRUGO | S_IWUSR, show_size, store_size),
+	__ATTR(overlays, S_IRUGO | S_IWUSR, show_overlays, store_overlays),
+	__ATTR(overlays_rotate, S_IRUGO | S_IWUSR, show_overlays_rotate,
+			store_overlays_rotate),
+	__ATTR(phys_addr, S_IRUGO, show_phys, NULL),
+	__ATTR(virt_addr, S_IRUGO, show_virt, NULL),
+	__ATTR(update_mode, S_IRUGO | S_IWUSR, show_upd_mode, store_upd_mode),
+};
+
+int omapfb_create_sysfs(struct omapfb2_device *fbdev)
+{
+	int i;
+	int r;
+
+	DBG("create sysfs for fbs\n");
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		int t;
+		for (t = 0; t < ARRAY_SIZE(omapfb_attrs); t++) {
+			r = device_create_file(fbdev->fbs[i]->dev,
+					&omapfb_attrs[t]);
+
+			if (r) {
+				dev_err(fbdev->dev, "failed to create sysfs "
+						"file\n");
+				return r;
+			}
+		}
+	}
+
+	return 0;
+}
+
+void omapfb_remove_sysfs(struct omapfb2_device *fbdev)
+{
+	int i, t;
+
+	DBG("remove sysfs for fbs\n");
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		for (t = 0; t < ARRAY_SIZE(omapfb_attrs); t++)
+			device_remove_file(fbdev->fbs[i]->dev,
+					&omapfb_attrs[t]);
+	}
+}
+
diff --git a/drivers/video/omap2/omapfb/omapfb.h b/drivers/video/omap2/omapfb/omapfb.h
new file mode 100644
index 00000000..c0bdc9b5
--- /dev/null
+++ b/drivers/video/omap2/omapfb/omapfb.h
@@ -0,0 +1,204 @@
+/*
+ * linux/drivers/video/omap2/omapfb.h
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
+#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
+
+#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
+#define DEBUG
+#endif
+
+#include <linux/rwsem.h>
+
+#include <video/omapdss.h>
+
+#ifdef DEBUG
+extern bool omapfb_debug;
+#define DBG(format, ...) \
+	do { \
+		if (omapfb_debug) \
+			printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__); \
+	} while (0)
+#else
+#define DBG(format, ...)
+#endif
+
+#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
+
+/* max number of overlays to which a framebuffer data can be direct */
+#define OMAPFB_MAX_OVL_PER_FB 3
+
+struct omapfb2_mem_region {
+	int             id;
+	u32		paddr;
+	void __iomem	*vaddr;
+	struct vrfb	vrfb;
+	unsigned long	size;
+	u8		type;		/* OMAPFB_PLANE_MEM_* */
+	bool		alloc;		/* allocated by the driver */
+	bool		map;		/* kernel mapped by the driver */
+	atomic_t	map_count;
+	struct rw_semaphore lock;
+	atomic_t	lock_count;
+};
+
+/* appended to fb_info */
+struct omapfb_info {
+	int id;
+	struct omapfb2_mem_region *region;
+	int num_overlays;
+	struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
+	struct omapfb2_device *fbdev;
+	enum omap_dss_rotation_type rotation_type;
+	u8 rotation[OMAPFB_MAX_OVL_PER_FB];
+	bool mirror;
+};
+
+struct omapfb_display_data {
+	struct omapfb2_device *fbdev;
+	struct omap_dss_device *dssdev;
+	u8 bpp_override;
+	enum omapfb_update_mode update_mode;
+	bool auto_update_work_enabled;
+	struct delayed_work auto_update_work;
+};
+
+struct omapfb2_device {
+	struct device *dev;
+	struct mutex  mtx;
+
+	u32 pseudo_palette[17];
+
+	int state;
+
+	unsigned num_fbs;
+	struct fb_info *fbs[10];
+	struct omapfb2_mem_region regions[10];
+
+	unsigned num_displays;
+	struct omapfb_display_data displays[10];
+	unsigned num_overlays;
+	struct omap_overlay *overlays[10];
+	unsigned num_managers;
+	struct omap_overlay_manager *managers[10];
+
+	struct workqueue_struct *auto_update_wq;
+};
+
+struct omapfb_colormode {
+	enum omap_color_mode dssmode;
+	u32 bits_per_pixel;
+	u32 nonstd;
+	struct fb_bitfield red;
+	struct fb_bitfield green;
+	struct fb_bitfield blue;
+	struct fb_bitfield transp;
+};
+
+void set_fb_fix(struct fb_info *fbi);
+int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
+int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
+int omapfb_apply_changes(struct fb_info *fbi, int init);
+
+int omapfb_create_sysfs(struct omapfb2_device *fbdev);
+void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
+
+int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
+
+int omapfb_update_window(struct fb_info *fbi,
+		u32 x, u32 y, u32 w, u32 h);
+
+int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
+			struct fb_var_screeninfo *var);
+
+int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+		u16 posx, u16 posy, u16 outw, u16 outh);
+
+void omapfb_start_auto_update(struct omapfb2_device *fbdev,
+		struct omap_dss_device *display);
+void omapfb_stop_auto_update(struct omapfb2_device *fbdev,
+		struct omap_dss_device *display);
+int omapfb_get_update_mode(struct fb_info *fbi, enum omapfb_update_mode *mode);
+int omapfb_set_update_mode(struct fb_info *fbi, enum omapfb_update_mode mode);
+
+/* find the display connected to this fb, if any */
+static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int i;
+
+	/* XXX: returns the display connected to first attached overlay */
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->manager)
+			return ofbi->overlays[i]->manager->device;
+	}
+
+	return NULL;
+}
+
+static inline struct omapfb_display_data *get_display_data(
+		struct omapfb2_device *fbdev, struct omap_dss_device *dssdev)
+{
+	int i;
+
+	for (i = 0; i < fbdev->num_displays; ++i)
+		if (fbdev->displays[i].dssdev == dssdev)
+			return &fbdev->displays[i];
+
+	/* This should never happen */
+	BUG();
+}
+
+static inline void omapfb_lock(struct omapfb2_device *fbdev)
+{
+	mutex_lock(&fbdev->mtx);
+}
+
+static inline void omapfb_unlock(struct omapfb2_device *fbdev)
+{
+	mutex_unlock(&fbdev->mtx);
+}
+
+static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
+		int enable)
+{
+	if (enable)
+		return ovl->enable(ovl);
+	else
+		return ovl->disable(ovl);
+}
+
+static inline struct omapfb2_mem_region *
+omapfb_get_mem_region(struct omapfb2_mem_region *rg)
+{
+	down_read_nested(&rg->lock, rg->id);
+	atomic_inc(&rg->lock_count);
+	return rg;
+}
+
+static inline void omapfb_put_mem_region(struct omapfb2_mem_region *rg)
+{
+	atomic_dec(&rg->lock_count);
+	up_read(&rg->lock);
+}
+
+#endif
diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
new file mode 100644
index 00000000..87e421e2
--- /dev/null
+++ b/drivers/video/omap2/vram.c
@@ -0,0 +1,570 @@
+/*
+ * VRAM manager for OMAP
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+/*#define DEBUG*/
+
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/seq_file.h>
+#include <linux/memblock.h>
+#include <linux/completion.h>
+#include <linux/debugfs.h>
+#include <linux/jiffies.h>
+#include <linux/module.h>
+
+#include <asm/setup.h>
+
+#include <plat/vram.h>
+#include <plat/dma.h>
+
+#ifdef DEBUG
+#define DBG(format, ...) pr_debug("VRAM: " format, ## __VA_ARGS__)
+#else
+#define DBG(format, ...)
+#endif
+
+/* postponed regions are used to temporarily store region information at boot
+ * time when we cannot yet allocate the region list */
+#define MAX_POSTPONED_REGIONS 10
+
+static bool vram_initialized;
+static int postponed_cnt;
+static struct {
+	unsigned long paddr;
+	size_t size;
+} postponed_regions[MAX_POSTPONED_REGIONS];
+
+struct vram_alloc {
+	struct list_head list;
+	unsigned long paddr;
+	unsigned pages;
+};
+
+struct vram_region {
+	struct list_head list;
+	struct list_head alloc_list;
+	unsigned long paddr;
+	unsigned pages;
+};
+
+static DEFINE_MUTEX(region_mutex);
+static LIST_HEAD(region_list);
+
+static struct vram_region *omap_vram_create_region(unsigned long paddr,
+		unsigned pages)
+{
+	struct vram_region *rm;
+
+	rm = kzalloc(sizeof(*rm), GFP_KERNEL);
+
+	if (rm) {
+		INIT_LIST_HEAD(&rm->alloc_list);
+		rm->paddr = paddr;
+		rm->pages = pages;
+	}
+
+	return rm;
+}
+
+#if 0
+static void omap_vram_free_region(struct vram_region *vr)
+{
+	list_del(&vr->list);
+	kfree(vr);
+}
+#endif
+
+static struct vram_alloc *omap_vram_create_allocation(struct vram_region *vr,
+		unsigned long paddr, unsigned pages)
+{
+	struct vram_alloc *va;
+	struct vram_alloc *new;
+
+	new = kzalloc(sizeof(*va), GFP_KERNEL);
+
+	if (!new)
+		return NULL;
+
+	new->paddr = paddr;
+	new->pages = pages;
+
+	list_for_each_entry(va, &vr->alloc_list, list) {
+		if (va->paddr > new->paddr)
+			break;
+	}
+
+	list_add_tail(&new->list, &va->list);
+
+	return new;
+}
+
+static void omap_vram_free_allocation(struct vram_alloc *va)
+{
+	list_del(&va->list);
+	kfree(va);
+}
+
+int omap_vram_add_region(unsigned long paddr, size_t size)
+{
+	struct vram_region *rm;
+	unsigned pages;
+
+	if (vram_initialized) {
+		DBG("adding region paddr %08lx size %d\n",
+				paddr, size);
+
+		size &= PAGE_MASK;
+		pages = size >> PAGE_SHIFT;
+
+		rm = omap_vram_create_region(paddr, pages);
+		if (rm == NULL)
+			return -ENOMEM;
+
+		list_add(&rm->list, &region_list);
+	} else {
+		if (postponed_cnt == MAX_POSTPONED_REGIONS)
+			return -ENOMEM;
+
+		postponed_regions[postponed_cnt].paddr = paddr;
+		postponed_regions[postponed_cnt].size = size;
+
+		++postponed_cnt;
+	}
+	return 0;
+}
+
+int omap_vram_free(unsigned long paddr, size_t size)
+{
+	struct vram_region *rm;
+	struct vram_alloc *alloc;
+	unsigned start, end;
+
+	DBG("free mem paddr %08lx size %d\n", paddr, size);
+
+	size = PAGE_ALIGN(size);
+
+	mutex_lock(&region_mutex);
+
+	list_for_each_entry(rm, &region_list, list) {
+		list_for_each_entry(alloc, &rm->alloc_list, list) {
+			start = alloc->paddr;
+			end = alloc->paddr + (alloc->pages >> PAGE_SHIFT);
+
+			if (start >= paddr && end < paddr + size)
+				goto found;
+		}
+	}
+
+	mutex_unlock(&region_mutex);
+	return -EINVAL;
+
+found:
+	omap_vram_free_allocation(alloc);
+
+	mutex_unlock(&region_mutex);
+	return 0;
+}
+EXPORT_SYMBOL(omap_vram_free);
+
+static int _omap_vram_reserve(unsigned long paddr, unsigned pages)
+{
+	struct vram_region *rm;
+	struct vram_alloc *alloc;
+	size_t size;
+
+	size = pages << PAGE_SHIFT;
+
+	list_for_each_entry(rm, &region_list, list) {
+		unsigned long start, end;
+
+		DBG("checking region %lx %d\n", rm->paddr, rm->pages);
+
+		start = rm->paddr;
+		end = start + (rm->pages << PAGE_SHIFT) - 1;
+		if (start > paddr || end < paddr + size - 1)
+			continue;
+
+		DBG("block ok, checking allocs\n");
+
+		list_for_each_entry(alloc, &rm->alloc_list, list) {
+			end = alloc->paddr - 1;
+
+			if (start <= paddr && end >= paddr + size - 1)
+				goto found;
+
+			start = alloc->paddr + (alloc->pages << PAGE_SHIFT);
+		}
+
+		end = rm->paddr + (rm->pages << PAGE_SHIFT) - 1;
+
+		if (!(start <= paddr && end >= paddr + size - 1))
+			continue;
+found:
+		DBG("found area start %lx, end %lx\n", start, end);
+
+		if (omap_vram_create_allocation(rm, paddr, pages) == NULL)
+			return -ENOMEM;
+
+		return 0;
+	}
+
+	return -ENOMEM;
+}
+
+int omap_vram_reserve(unsigned long paddr, size_t size)
+{
+	unsigned pages;
+	int r;
+
+	DBG("reserve mem paddr %08lx size %d\n", paddr, size);
+
+	size = PAGE_ALIGN(size);
+	pages = size >> PAGE_SHIFT;
+
+	mutex_lock(&region_mutex);
+
+	r = _omap_vram_reserve(paddr, pages);
+
+	mutex_unlock(&region_mutex);
+
+	return r;
+}
+EXPORT_SYMBOL(omap_vram_reserve);
+
+static void _omap_vram_dma_cb(int lch, u16 ch_status, void *data)
+{
+	struct completion *compl = data;
+	complete(compl);
+}
+
+static int _omap_vram_clear(u32 paddr, unsigned pages)
+{
+	struct completion compl;
+	unsigned elem_count;
+	unsigned frame_count;
+	int r;
+	int lch;
+
+	init_completion(&compl);
+
+	r = omap_request_dma(OMAP_DMA_NO_DEVICE, "VRAM DMA",
+			_omap_vram_dma_cb,
+			&compl, &lch);
+	if (r) {
+		pr_err("VRAM: request_dma failed for memory clear\n");
+		return -EBUSY;
+	}
+
+	elem_count = pages * PAGE_SIZE / 4;
+	frame_count = 1;
+
+	omap_set_dma_transfer_params(lch, OMAP_DMA_DATA_TYPE_S32,
+			elem_count, frame_count,
+			OMAP_DMA_SYNC_ELEMENT,
+			0, 0);
+
+	omap_set_dma_dest_params(lch, 0, OMAP_DMA_AMODE_POST_INC,
+			paddr, 0, 0);
+
+	omap_set_dma_color_mode(lch, OMAP_DMA_CONSTANT_FILL, 0x000000);
+
+	omap_start_dma(lch);
+
+	if (wait_for_completion_timeout(&compl, msecs_to_jiffies(1000)) == 0) {
+		omap_stop_dma(lch);
+		pr_err("VRAM: dma timeout while clearing memory\n");
+		r = -EIO;
+		goto err;
+	}
+
+	r = 0;
+err:
+	omap_free_dma(lch);
+
+	return r;
+}
+
+static int _omap_vram_alloc(unsigned pages, unsigned long *paddr)
+{
+	struct vram_region *rm;
+	struct vram_alloc *alloc;
+
+	list_for_each_entry(rm, &region_list, list) {
+		unsigned long start, end;
+
+		DBG("checking region %lx %d\n", rm->paddr, rm->pages);
+
+		start = rm->paddr;
+
+		list_for_each_entry(alloc, &rm->alloc_list, list) {
+			end = alloc->paddr;
+
+			if (end - start >= pages << PAGE_SHIFT)
+				goto found;
+
+			start = alloc->paddr + (alloc->pages << PAGE_SHIFT);
+		}
+
+		end = rm->paddr + (rm->pages << PAGE_SHIFT);
+found:
+		if (end - start < pages << PAGE_SHIFT)
+			continue;
+
+		DBG("found %lx, end %lx\n", start, end);
+
+		alloc = omap_vram_create_allocation(rm, start, pages);
+		if (alloc == NULL)
+			return -ENOMEM;
+
+		*paddr = start;
+
+		_omap_vram_clear(start, pages);
+
+		return 0;
+	}
+
+	return -ENOMEM;
+}
+
+int omap_vram_alloc(size_t size, unsigned long *paddr)
+{
+	unsigned pages;
+	int r;
+
+	BUG_ON(!size);
+
+	DBG("alloc mem size %d\n", size);
+
+	size = PAGE_ALIGN(size);
+	pages = size >> PAGE_SHIFT;
+
+	mutex_lock(&region_mutex);
+
+	r = _omap_vram_alloc(pages, paddr);
+
+	mutex_unlock(&region_mutex);
+
+	return r;
+}
+EXPORT_SYMBOL(omap_vram_alloc);
+
+void omap_vram_get_info(unsigned long *vram,
+		unsigned long *free_vram,
+		unsigned long *largest_free_block)
+{
+	struct vram_region *vr;
+	struct vram_alloc *va;
+
+	*vram = 0;
+	*free_vram = 0;
+	*largest_free_block = 0;
+
+	mutex_lock(&region_mutex);
+
+	list_for_each_entry(vr, &region_list, list) {
+		unsigned free;
+		unsigned long pa;
+
+		pa = vr->paddr;
+		*vram += vr->pages << PAGE_SHIFT;
+
+		list_for_each_entry(va, &vr->alloc_list, list) {
+			free = va->paddr - pa;
+			*free_vram += free;
+			if (free > *largest_free_block)
+				*largest_free_block = free;
+			pa = va->paddr + (va->pages << PAGE_SHIFT);
+		}
+
+		free = vr->paddr + (vr->pages << PAGE_SHIFT) - pa;
+		*free_vram += free;
+		if (free > *largest_free_block)
+			*largest_free_block = free;
+	}
+
+	mutex_unlock(&region_mutex);
+}
+EXPORT_SYMBOL(omap_vram_get_info);
+
+#if defined(CONFIG_DEBUG_FS)
+static int vram_debug_show(struct seq_file *s, void *unused)
+{
+	struct vram_region *vr;
+	struct vram_alloc *va;
+	unsigned size;
+
+	mutex_lock(&region_mutex);
+
+	list_for_each_entry(vr, &region_list, list) {
+		size = vr->pages << PAGE_SHIFT;
+		seq_printf(s, "%08lx-%08lx (%d bytes)\n",
+				vr->paddr, vr->paddr + size - 1,
+				size);
+
+		list_for_each_entry(va, &vr->alloc_list, list) {
+			size = va->pages << PAGE_SHIFT;
+			seq_printf(s, "    %08lx-%08lx (%d bytes)\n",
+					va->paddr, va->paddr + size - 1,
+					size);
+		}
+	}
+
+	mutex_unlock(&region_mutex);
+
+	return 0;
+}
+
+static int vram_debug_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, vram_debug_show, inode->i_private);
+}
+
+static const struct file_operations vram_debug_fops = {
+	.open           = vram_debug_open,
+	.read           = seq_read,
+	.llseek         = seq_lseek,
+	.release        = single_release,
+};
+
+static int __init omap_vram_create_debugfs(void)
+{
+	struct dentry *d;
+
+	d = debugfs_create_file("vram", S_IRUGO, NULL,
+			NULL, &vram_debug_fops);
+	if (IS_ERR(d))
+		return PTR_ERR(d);
+
+	return 0;
+}
+#endif
+
+static __init int omap_vram_init(void)
+{
+	int i;
+
+	vram_initialized = 1;
+
+	for (i = 0; i < postponed_cnt; i++)
+		omap_vram_add_region(postponed_regions[i].paddr,
+				postponed_regions[i].size);
+
+#ifdef CONFIG_DEBUG_FS
+	if (omap_vram_create_debugfs())
+		pr_err("VRAM: Failed to create debugfs file\n");
+#endif
+
+	return 0;
+}
+
+arch_initcall(omap_vram_init);
+
+/* boottime vram alloc stuff */
+
+/* set from board file */
+static u32 omap_vram_sdram_start __initdata;
+static u32 omap_vram_sdram_size __initdata;
+
+/* set from kernel cmdline */
+static u32 omap_vram_def_sdram_size __initdata;
+static u32 omap_vram_def_sdram_start __initdata;
+
+static int __init omap_vram_early_vram(char *p)
+{
+	omap_vram_def_sdram_size = memparse(p, &p);
+	if (*p == ',')
+		omap_vram_def_sdram_start = simple_strtoul(p + 1, &p, 16);
+	return 0;
+}
+early_param("vram", omap_vram_early_vram);
+
+/*
+ * Called from map_io. We need to call to this early enough so that we
+ * can reserve the fixed SDRAM regions before VM could get hold of them.
+ */
+void __init omap_vram_reserve_sdram_memblock(void)
+{
+	u32 paddr;
+	u32 size = 0;
+
+	/* cmdline arg overrides the board file definition */
+	if (omap_vram_def_sdram_size) {
+		size = omap_vram_def_sdram_size;
+		paddr = omap_vram_def_sdram_start;
+	}
+
+	if (!size) {
+		size = omap_vram_sdram_size;
+		paddr = omap_vram_sdram_start;
+	}
+
+#ifdef CONFIG_OMAP2_VRAM_SIZE
+	if (!size) {
+		size = CONFIG_OMAP2_VRAM_SIZE * 1024 * 1024;
+		paddr = 0;
+	}
+#endif
+
+	if (!size)
+		return;
+
+	size = ALIGN(size, SZ_2M);
+
+	if (paddr) {
+		if (paddr & ~PAGE_MASK) {
+			pr_err("VRAM start address 0x%08x not page aligned\n",
+					paddr);
+			return;
+		}
+
+		if (!memblock_is_region_memory(paddr, size)) {
+			pr_err("Illegal SDRAM region 0x%08x..0x%08x for VRAM\n",
+					paddr, paddr + size - 1);
+			return;
+		}
+
+		if (memblock_is_region_reserved(paddr, size)) {
+			pr_err("FB: failed to reserve VRAM - busy\n");
+			return;
+		}
+
+		if (memblock_reserve(paddr, size) < 0) {
+			pr_err("FB: failed to reserve VRAM - no memory\n");
+			return;
+		}
+	} else {
+		paddr = memblock_alloc(size, SZ_2M);
+	}
+
+	memblock_free(paddr, size);
+	memblock_remove(paddr, size);
+
+	omap_vram_add_region(paddr, size);
+
+	pr_info("Reserving %u bytes SDRAM for VRAM\n", size);
+}
+
+void __init omap_vram_set_sdram_vram(u32 size, u32 start)
+{
+	omap_vram_sdram_start = start;
+	omap_vram_sdram_size = size;
+}
diff --git a/drivers/video/omap2/vrfb.c b/drivers/video/omap2/vrfb.c
new file mode 100644
index 00000000..4e5b960c
--- /dev/null
+++ b/drivers/video/omap2/vrfb.c
@@ -0,0 +1,314 @@
+/*
+ * VRFB Rotation Engine
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+/*#define DEBUG*/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/bitops.h>
+#include <linux/mutex.h>
+
+#include <plat/vrfb.h>
+#include <plat/sdrc.h>
+
+#ifdef DEBUG
+#define DBG(format, ...) pr_debug("VRFB: " format, ## __VA_ARGS__)
+#else
+#define DBG(format, ...)
+#endif
+
+#define SMS_ROT_VIRT_BASE(context, rot) \
+	(((context >= 4) ? 0xD0000000 : 0x70000000) \
+	 + (0x4000000 * (context)) \
+	 + (0x1000000 * (rot)))
+
+#define OMAP_VRFB_SIZE			(2048 * 2048 * 4)
+
+#define VRFB_PAGE_WIDTH_EXP	5 /* Assuming SDRAM pagesize= 1024 */
+#define VRFB_PAGE_HEIGHT_EXP	5 /* 1024 = 2^5 * 2^5 */
+#define VRFB_PAGE_WIDTH		(1 << VRFB_PAGE_WIDTH_EXP)
+#define VRFB_PAGE_HEIGHT	(1 << VRFB_PAGE_HEIGHT_EXP)
+#define SMS_IMAGEHEIGHT_OFFSET	16
+#define SMS_IMAGEWIDTH_OFFSET	0
+#define SMS_PH_OFFSET		8
+#define SMS_PW_OFFSET		4
+#define SMS_PS_OFFSET		0
+
+#define VRFB_NUM_CTXS 12
+/* bitmap of reserved contexts */
+static unsigned long ctx_map;
+
+static DEFINE_MUTEX(ctx_lock);
+
+/*
+ * Access to this happens from client drivers or the PM core after wake-up.
+ * For the first case we require locking at the driver level, for the second
+ * we don't need locking, since no drivers will run until after the wake-up
+ * has finished.
+ */
+static struct {
+	u32 physical_ba;
+	u32 control;
+	u32 size;
+} vrfb_hw_context[VRFB_NUM_CTXS];
+
+static inline void restore_hw_context(int ctx)
+{
+	omap2_sms_write_rot_control(vrfb_hw_context[ctx].control, ctx);
+	omap2_sms_write_rot_size(vrfb_hw_context[ctx].size, ctx);
+	omap2_sms_write_rot_physical_ba(vrfb_hw_context[ctx].physical_ba, ctx);
+}
+
+static u32 get_image_width_roundup(u16 width, u8 bytespp)
+{
+	unsigned long stride = width * bytespp;
+	unsigned long ceil_pages_per_stride = (stride / VRFB_PAGE_WIDTH) +
+		(stride % VRFB_PAGE_WIDTH != 0);
+
+	return ceil_pages_per_stride * VRFB_PAGE_WIDTH / bytespp;
+}
+
+/*
+ * This the extra space needed in the VRFB physical area for VRFB to safely wrap
+ * any memory accesses to the invisible part of the virtual view to the physical
+ * area.
+ */
+static inline u32 get_extra_physical_size(u16 image_width_roundup, u8 bytespp)
+{
+	return (OMAP_VRFB_LINE_LEN - image_width_roundup) * VRFB_PAGE_HEIGHT *
+		bytespp;
+}
+
+void omap_vrfb_restore_context(void)
+{
+	int i;
+	unsigned long map = ctx_map;
+
+	for (i = ffs(map); i; i = ffs(map)) {
+		/* i=1..32 */
+		i--;
+		map &= ~(1 << i);
+		restore_hw_context(i);
+	}
+}
+
+void omap_vrfb_adjust_size(u16 *width, u16 *height,
+		u8 bytespp)
+{
+	*width = ALIGN(*width * bytespp, VRFB_PAGE_WIDTH) / bytespp;
+	*height = ALIGN(*height, VRFB_PAGE_HEIGHT);
+}
+EXPORT_SYMBOL(omap_vrfb_adjust_size);
+
+u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
+{
+	unsigned long image_width_roundup = get_image_width_roundup(width,
+		bytespp);
+
+	if (image_width_roundup > OMAP_VRFB_LINE_LEN)
+		return 0;
+
+	return (width * height * bytespp) + get_extra_physical_size(
+		image_width_roundup, bytespp);
+}
+EXPORT_SYMBOL(omap_vrfb_min_phys_size);
+
+u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
+{
+	unsigned long image_width_roundup = get_image_width_roundup(width,
+		bytespp);
+	unsigned long height;
+	unsigned long extra;
+
+	if (image_width_roundup > OMAP_VRFB_LINE_LEN)
+		return 0;
+
+	extra = get_extra_physical_size(image_width_roundup, bytespp);
+
+	if (phys_size < extra)
+		return 0;
+
+	height = (phys_size - extra) / (width * bytespp);
+
+	/* Virtual views provided by VRFB are limited to 2048x2048. */
+	return min_t(unsigned long, height, 2048);
+}
+EXPORT_SYMBOL(omap_vrfb_max_height);
+
+void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
+		u16 width, u16 height,
+		unsigned bytespp, bool yuv_mode)
+{
+	unsigned pixel_size_exp;
+	u16 vrfb_width;
+	u16 vrfb_height;
+	u8 ctx = vrfb->context;
+	u32 size;
+	u32 control;
+
+	DBG("omapfb_set_vrfb(%d, %lx, %dx%d, %d, %d)\n", ctx, paddr,
+			width, height, bytespp, yuv_mode);
+
+	/* For YUV2 and UYVY modes VRFB needs to handle pixels a bit
+	 * differently. See TRM. */
+	if (yuv_mode) {
+		bytespp *= 2;
+		width /= 2;
+	}
+
+	if (bytespp == 4)
+		pixel_size_exp = 2;
+	else if (bytespp == 2)
+		pixel_size_exp = 1;
+	else
+		BUG();
+
+	vrfb_width = ALIGN(width * bytespp, VRFB_PAGE_WIDTH) / bytespp;
+	vrfb_height = ALIGN(height, VRFB_PAGE_HEIGHT);
+
+	DBG("vrfb w %u, h %u bytespp %d\n", vrfb_width, vrfb_height, bytespp);
+
+	size  = vrfb_width << SMS_IMAGEWIDTH_OFFSET;
+	size |= vrfb_height << SMS_IMAGEHEIGHT_OFFSET;
+
+	control  = pixel_size_exp << SMS_PS_OFFSET;
+	control |= VRFB_PAGE_WIDTH_EXP  << SMS_PW_OFFSET;
+	control |= VRFB_PAGE_HEIGHT_EXP << SMS_PH_OFFSET;
+
+	vrfb_hw_context[ctx].physical_ba = paddr;
+	vrfb_hw_context[ctx].size = size;
+	vrfb_hw_context[ctx].control = control;
+
+	omap2_sms_write_rot_physical_ba(paddr, ctx);
+	omap2_sms_write_rot_size(size, ctx);
+	omap2_sms_write_rot_control(control, ctx);
+
+	DBG("vrfb offset pixels %d, %d\n",
+			vrfb_width - width, vrfb_height - height);
+
+	vrfb->xres = width;
+	vrfb->yres = height;
+	vrfb->xoffset = vrfb_width - width;
+	vrfb->yoffset = vrfb_height - height;
+	vrfb->bytespp = bytespp;
+	vrfb->yuv_mode = yuv_mode;
+}
+EXPORT_SYMBOL(omap_vrfb_setup);
+
+int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
+{
+	unsigned long size = height * OMAP_VRFB_LINE_LEN * vrfb->bytespp;
+
+	vrfb->vaddr[rot] = ioremap_wc(vrfb->paddr[rot], size);
+
+	if (!vrfb->vaddr[rot]) {
+		printk(KERN_ERR "vrfb: ioremap failed\n");
+		return -ENOMEM;
+	}
+
+	DBG("ioremapped vrfb area %d of size %lu into %p\n", rot, size,
+		vrfb->vaddr[rot]);
+
+	return 0;
+}
+EXPORT_SYMBOL(omap_vrfb_map_angle);
+
+void omap_vrfb_release_ctx(struct vrfb *vrfb)
+{
+	int rot;
+	int ctx = vrfb->context;
+
+	if (ctx == 0xff)
+		return;
+
+	DBG("release ctx %d\n", ctx);
+
+	mutex_lock(&ctx_lock);
+
+	BUG_ON(!(ctx_map & (1 << ctx)));
+
+	clear_bit(ctx, &ctx_map);
+
+	for (rot = 0; rot < 4; ++rot) {
+		if (vrfb->paddr[rot]) {
+			release_mem_region(vrfb->paddr[rot], OMAP_VRFB_SIZE);
+			vrfb->paddr[rot] = 0;
+		}
+	}
+
+	vrfb->context = 0xff;
+
+	mutex_unlock(&ctx_lock);
+}
+EXPORT_SYMBOL(omap_vrfb_release_ctx);
+
+int omap_vrfb_request_ctx(struct vrfb *vrfb)
+{
+	int rot;
+	u32 paddr;
+	u8 ctx;
+	int r;
+
+	DBG("request ctx\n");
+
+	mutex_lock(&ctx_lock);
+
+	for (ctx = 0; ctx < VRFB_NUM_CTXS; ++ctx)
+		if ((ctx_map & (1 << ctx)) == 0)
+			break;
+
+	if (ctx == VRFB_NUM_CTXS) {
+		pr_err("vrfb: no free contexts\n");
+		r = -EBUSY;
+		goto out;
+	}
+
+	DBG("found free ctx %d\n", ctx);
+
+	set_bit(ctx, &ctx_map);
+
+	memset(vrfb, 0, sizeof(*vrfb));
+
+	vrfb->context = ctx;
+
+	for (rot = 0; rot < 4; ++rot) {
+		paddr = SMS_ROT_VIRT_BASE(ctx, rot);
+		if (!request_mem_region(paddr, OMAP_VRFB_SIZE, "vrfb")) {
+			pr_err("vrfb: failed to reserve VRFB "
+					"area for ctx %d, rotation %d\n",
+					ctx, rot * 90);
+			omap_vrfb_release_ctx(vrfb);
+			r = -ENOMEM;
+			goto out;
+		}
+
+		vrfb->paddr[rot] = paddr;
+
+		DBG("VRFB %d/%d: %lx\n", ctx, rot*90, vrfb->paddr[rot]);
+	}
+
+	r = 0;
+out:
+	mutex_unlock(&ctx_lock);
+	return r;
+}
+EXPORT_SYMBOL(omap_vrfb_request_ctx);