summaryrefslogtreecommitdiff
path: root/drivers/video/omap2/displays
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/video/omap2/displays
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/video/omap2/displays')
-rw-r--r--drivers/video/omap2/displays/Kconfig75
-rw-r--r--drivers/video/omap2/displays/Makefile11
-rw-r--r--drivers/video/omap2/displays/panel-acx565akm.c816
-rw-r--r--drivers/video/omap2/displays/panel-dvi.c363
-rw-r--r--drivers/video/omap2/displays/panel-generic-dpi.c595
-rw-r--r--drivers/video/omap2/displays/panel-lgphilips-lb035q02.c269
-rw-r--r--drivers/video/omap2/displays/panel-n8x0.c746
-rw-r--r--drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c357
-rw-r--r--drivers/video/omap2/displays/panel-picodlp.c594
-rw-r--r--drivers/video/omap2/displays/panel-picodlp.h288
-rw-r--r--drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c233
-rw-r--r--drivers/video/omap2/displays/panel-taal.c1915
-rw-r--r--drivers/video/omap2/displays/panel-tpo-td043mtea1.c583
13 files changed, 6845 insertions, 0 deletions
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");