add via modify part source code for wm8880 4.4 kitkat

1 files changed, 946 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/drivers/video/wmt/devices/vt1625.c b/ANDROID_3.4.5/drivers/video/wmt/devices/vt1625.c
new file mode 100755
index 00000000..83d1a403
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/video/wmt/devices/vt1625.c
@@ -0,0 +1,946 @@
+/*++
+ * linux/drivers/video/wmt/vt1625.c
+ * WonderMedia video post processor (VPP) driver
+ *
+ * Copyright c 2014  WonderMedia  Technologies, Inc.
+ *
+ * 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.
+ *
+ * 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/>.
+ *
+ * WonderMedia Technologies, Inc.
+ * 4F, 533, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C
+--*/
+
+#define VT1625_C
+/* #define DEBUG */
+/* #define DEBUG_DETAIL */
+/*----------------------- DEPENDENCE -----------------------------------------*/
+#include "../vout.h"
+
+#ifdef CONFIG_KERNEL
+#include <linux/workqueue.h>
+#endif
+
+/*----------------------- PRIVATE MACRO --------------------------------------*/
+/* #define  VT1625_XXXX  xxxx    *//*Example*/
+#ifdef CONFIG_KERNEL
+#define CONFIG_VT1625_INTERRUPT
+#endif
+#define CONFIG_VT1625_POWER
+#define CONFIG_VM700
+
+/*----------------------- PRIVATE CONSTANTS ----------------------------------*/
+/* #define VT1625_XXXX    1     *//*Example*/
+#define VT1625_ADDR 0x40
+
+enum {
+	VT1625_INPUT_SELECTION = 0x00,
+	VT1625_SYNC_SELECTION_0 = 0x01,
+	VT1625_SYNC_SELECTION_1 = 0x02,
+	VT1625_FILTER_SELECTION = 0x03,
+	VT1625_OUTPUT_MODE = 0x04,
+	VT1625_CLOCK_CONTROL = 0x05,
+
+	/* start position & overflow */
+	VT1625_OVERFLOW = 0x06,
+	VT1625_START_ACTIVE_VIDEO = 0x07,
+	VT1625_START_HORIZONTAL_POSITION = 0x08,
+	VT1625_START_VERTICAL_POSITION = 0x09,
+
+	/* amplitude factor */
+	VT1625_CR_AMPLITUDE_FACTOR = 0x0A,
+	VT1625_BLACK_LEVEL = 0x0B,
+	VT1625_Y_AMPLITUDE_FACTOR = 0x0C,
+	VT1625_CB_AMPLITUDE_FACTOR = 0x0D,
+
+	VT1625_POWER_MANAGEMENT = 0x0E,
+	VT1625_STATUS = 0x0F,
+
+	/* Hue */
+	VT1625_HUE_ADJUSTMENT = 0x10,
+	VT1625_OVERFLOW_MISC = 0x11,
+
+	/* PLL */
+	VT1625_PLL_P2 = 0x12,
+	VT1625_PLL_D = 0x13,
+	VT1625_PLL_N = 0x14,
+	VT1625_PLL_OVERFLOW = 0x15,
+
+	/* Sub Carrier */
+	VT1625_SUBCARRIER_VALUE_0 = 0x16,
+	VT1625_SUBCARRIER_VALUE_1 = 0x17,
+	VT1625_SUBCARRIER_VALUE_2 = 0x18,
+	VT1625_SUBCARRIER_VALUE_3 = 0x19,
+
+	VT1625_VERSION_ID = 0x1B,
+	VT1625_DAC_OVERFLOW = 0x1C,
+
+	/* test */
+	VT1625_TEST_0 = 0x1D,
+	VT1625_TEST_1 = 0x1E,
+
+	VT1625_FILTER_SWITCH = 0x1F,
+	VT1625_TV_SYNC_STEP = 0x20,
+	VT1625_TV_BURST_ENVELOPE_STEP = 0x21,
+	VT1625_TV_SUB_CARRIER_PHASE_ADJUST = 0x22,
+	VT1625_TV_BLANK_LEVEL = 0x23,
+	VT1625_TV_SIGNAL_OVERFLOW = 0x24,
+
+	/* DAC & GPO */
+	VT1625_DAC_SELECTION_0 = 0x4A,
+	VT1625_DAC_SELECTION_1 = 0x4B,
+	VT1625_GPO = 0x4C,
+
+	VT1625_COLBAR_LUMA_DELAY = 0x4D,
+	VT1625_UV_DELAY = 0x4E,
+	VT1625_BURST_MAX_AMPLITUDE = 0x4F,
+
+	/* Graphic timing */
+	VT1625_GRAPHIC_H_TOTAL = 0x50,
+	VT1625_GRAPHIC_H_ACTIVE = 0x51,
+	VT1625_GRAPHIC_H_OVERFLOW = 0x52,
+	VT1625_GRAPHIC_V_TOTAL = 0x53,
+	VT1625_GRAPHIC_V_OVERFLOW = 0x54,
+
+	/* TV timing */
+	VT1625_TV_H_TOTAL = 0x55,
+	VT1625_TV_H_ACTIVE = 0x56,
+	VT1625_TV_H_SYNC_WIDTH = 0x57,
+	VT1625_TV_H_OVERFLOW = 0x58,
+	VT1625_TV_BURST_START = 0x59,
+	VT1625_TV_BURST_END = 0x5A,
+	VT1625_TV_VIDEO_START = 0x5B,
+	VT1625_TV_VIDEO_END = 0x5C,
+	VT1625_TV_VIDEO_OVERFLOW = 0x5D,
+
+	/* scale factor */
+	VT1625_V_SCALE_FACTOR = 0x5E,
+	VT1625_H_SCALE_FACTOR = 0x5F,
+	VT1625_SCALE_OVERFLOW = 0x60,
+	VT1625_H_BLUR_SCALE_OVERFLOW = 0x61,
+	VT1625_ADAPTIVE_DEFLICKER_THR = 0x62,
+	VT1625_SCALE_H_TOTAL = 0x63,
+	VT1625_SCALE_H_TOTAL_OVERFLOW = 0x64,
+
+	/* Amplitude factor */
+	VT1625_PY_AMP_FACTOR = 0x65,
+	VT1625_PB_AMP_FACTOR = 0x66,
+	VT1625_PR_AMP_FACTOR = 0x67,
+
+	VT1625_POST_ADJUST = 0x68,
+	VT1625_AUTO_CORRECT_SENSE = 0x69,
+
+	/* WSS 0x6A - 0x73 */
+	VT1625_INT_WSS_2 = 0x71,
+
+	/* Close Caption 0x74 - 0x7A */
+
+	/* Signature Value 0x7B - 0x82 */
+} vt1625_reg_t;
+
+/*----------------------- PRIVATE TYPE  --------------------------------------*/
+/* typedef  xxxx vt1625_xxx_t; *//*Example*/
+
+/*----------EXPORTED PRIVATE VARIABLES are defined in vt1625.h  -------------*/
+/*----------------------- INTERNAL PRIVATE VARIABLES - -----------------------*/
+/* int  vt1625_xxx;        *//*Example*/
+
+static char vt1625_ntsc_param[] = {
+	0x03, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x82, /* 00 - 07 */
+#ifdef CONFIG_VM700
+         0x14, 0x05, 0x6E, 0x15, 0x51, 0x50, 0x37, 0xB7, /* 08 - 0f */
+         0x00, 0x80, 0x04, 0x08, 0x08, 0x90, 0xD6, 0x7B, /* 10 - 17 */
+#else
+	0x14, 0x05, 0x6E, 0x15, 0x52, 0x4E, 0x37, 0xB7, /* 08 - 0f */
+	0x08, 0x80, 0x04, 0x08, 0x08, 0x90, 0xD6, 0x7B, /* 10 - 17 */
+#endif
+         0xF0, 0x21, 0x02, 0x50, 0x43, 0x80, 0x00, 0xFC, /* 18 - 1f */
+         0x16, 0x08, 0xDC, 0x7D, 0x02, 0x56, 0x33, 0x8F, /* 20 - 27 */
+         0x58, 0x00, 0x00, 0xA6, 0x29, 0xD4, 0x81, 0x00, /* 28 - 2f */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 - 37 */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 38 - 3f */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 40 - 47 */
+#ifdef CONFIG_VM700
+         0x00, 0x00, 0xC5, 0x0F, 0x08, 0x01, 0x01, 0x43, /* 48 - 4f */
+#else
+	0x00, 0x00, 0xC5, 0x0F, 0x00, 0x01, 0x10, 0x44, /* 48 - 4f */
+#endif
+         0x59, 0xCF, 0x23, 0x0C, 0x02, 0x59, 0xCF, 0x7F, /* 50 - 57 */
+         0x23, 0x94, 0xD6, 0x00, 0x9C, 0x06, 0x00, 0x00, /* 58 - 5f */
+         0x80, 0x28, 0xFF, 0x59, 0x03, 0x55, 0x56, 0x56, /* 60 - 67 */
+         0x00, 0x90, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, /* 68 - 6f */
+         0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 70 - 77 */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 78 - 7f */
+         0x00, 0x00, 0x00
+};
+
+static char vt1625_pal_param[] = {
+	0x03, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x8C, /* 00 - 07 */
+#ifdef CONFIG_VM700
+         0x0E, 0x01, 0x6E, 0x00, 0x51, 0x50, 0x37, 0xB7, /* 08 - 0f */
+         0x00, 0x80, 0x04, 0x08, 0x08, 0x90, 0xCB, 0x8A, /* 10 - 17 */
+#else
+	0x0E, 0x01, 0x7a, 0x00, 0x55, 0x58, 0x37, 0xB7, /* 08 - 0f */
+	0xff, 0x87, 0x04, 0x08, 0x08, 0x90, 0xCB, 0x8A, /* 10 - 17 */
+#endif
+         0x09, 0x2A, 0x06, 0x50, 0x41, 0x80, 0x00, 0xFC, /* 18 - 1f */
+         0x17, 0x0C, 0x4E, 0x76, 0x02, 0x5F, 0x34, 0x8C, /* 20 - 27 */
+         0x4F, 0x5E, 0x15, 0xA2, 0x22, 0x80, 0xD3, 0x10, /* 28 - 2f */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 - 37 */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 38 - 3f */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 40 - 47 */
+#ifdef CONFIG_VM700
+         0x00, 0x00, 0xC5, 0x0F, 0x08, 0x02, 0x01, 0x43, /* 48 - 4f */
+#else
+	0x00, 0x00, 0xC5, 0x0F, 0x00, 0x02, 0x10, 0x4C, /* 48 - 4f */
+#endif
+         0x5f, 0xCF, 0x23, 0x70, 0x02, 0x5F, 0xD0, 0x7F, /* 50 - 57 */
+         0x23, 0x92, 0xCE, 0xDF, 0xA0, 0x06, 0x00, 0x00, /* 58 - 5f */
+         0x80, 0x20, 0xFF, 0x5F, 0x03, 0x5f, 0x00, 0x00, /* 60 - 67 */
+         0x00, 0x90, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, /* 68 - 6f */
+         0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 70 - 77 */
+         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 78 - 7f */
+         0x00, 0x00, 0x00
+};
+
+enum vt1625_out_t {
+	VT1625_OUT_CVBS,
+	VT1625_OUT_YUV,
+	VT1625_OUT_VGA,
+	VT1625_OUT_MAX
+};
+
+enum vt1625_out_t vt1625_out_mode;
+
+int vt1625_tv_mode;
+vdo_color_fmt vt1625_colfmt;
+
+static int pre_plugin;
+
+/*
+* VT1625 U-Boot Env to Set Register
+*/
+typedef struct {
+	unsigned char offset;
+	unsigned char value;
+} vt1625_reg_env_t;
+
+#define VT1625_REG_MAX_OFFSET  0x82  /* Register Offset: 0x00 ~ 0x82 */
+/*
+* setenv wmt.vt1625.pal.reg regOffset1=regValue1,regOffset2=regValue2,...
+* for example:
+*    setenv wmt.vt1625.pal.reg  0a=75,0c=53,23=7a,4f=48
+*    setenv wmt.vt1625.ntsc.reg 0a=75,0c=53,23=7a,4f=48
+*/
+#define VT1625_PAL_REG_ENV  "wmt.vt1625.pal.reg"
+#define VT1625_NTSC_REG_ENV "wmt.vt1625.ntsc.reg"
+
+/*
+* setenv wmt.vt1625.cvbs.always.turnon 1
+*     The cvbs is always turned on event if the av line is pluged out
+* setenv wmt.vt1625.cvbs.always.turnon 0
+*     The cvbs is turned on if the av line is pluged in.
+*     And the cvbs is turned off if the av line is pluged out
+*/
+#define VT1625_CVBS_ALWAYS_TURNON  "wmt.vt1625.cvbs.always.turnon"
+
+static int vt1625_cvbs_always_turnon;
+
+#ifdef CONFIG_KERNEL
+/*
+* VT1625 Timer to Monitor Register
+*/
+/*
+* Monitor the vt1625 register for avoiding the register is cleared.
+* 	setenv wmt.vt1625.reg.monitor 1
+*
+* If the wmt.vt1625.reg.monitor is Not set or set to 0,
+* it will not monitor the register
+*
+*/
+#define VT1625_REG_MONITOR_ENV "wmt.vt1625.reg.monitor"
+
+#define VT1625_TIMER_INTERVAL   1000   // 1000 ms
+
+static struct timer_list vt1625_timer;
+static struct work_struct vt1625_work;
+
+static void vt1625_set_tv_mode(int ntsc);
+
+#endif
+
+#ifdef CONFIG_UBOOT
+#define msleep  mdelay
+#endif
+
+/*--------------------- INTERNAL PRIVATE FUNCTIONS ---------------------------*/
+/* void vt1625_xxx(void); *//*Example*/
+
+/*----------------------- Function Body --------------------------------------*/
+/*
+* Function: register_is_right()
+* Parametr:
+*   ntsc = 0: PAL
+*   ntsc = 1: NTSC
+* Return  :
+*   0: the register's values is wrong
+*   1: the register's values is right
+*/
+static int register_is_right(int ntsc)
+{
+	int i;
+	char buf[32];
+
+    vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+        VT1625_INPUT_SELECTION, buf, 32);
+
+    for(i = 0; i < 32; i++) {
+        /*
+        * reg 0x0E is power management register. Skip it
+        * reg 0x0F is status register. it is volatile. Skip it
+        */
+        if(i == 14 || i == 15)
+            continue;
+
+
+        if(i == 0) {
+            if(vt1625_colfmt == VDO_COL_FMT_YUV444) {
+                if(buf[0] != 0x3A)
+                    break;
+            } else {
+                if(buf[0] != 0x03)
+                    break;
+            }
+        } else {
+            if(ntsc) {
+                /*
+                * NTSC
+                */
+                if(buf[i] != vt1625_ntsc_param[i])
+                    break;
+            } else {
+                /*
+                * PAL
+                */
+                if(buf[i] != vt1625_pal_param[i])
+                    break;
+            }
+        }
+    }
+
+    if(i != 32)
+        return 0;
+    else
+        return 1;
+}
+
+#ifdef CONFIG_KERNEL
+static void vt1625_reconfig(struct work_struct *work)
+{
+    int right;
+
+	if(vt1625_tv_mode) {
+        right = register_is_right((vt1625_tv_mode == 1) ? 1 : 0);
+		if(right == 0) {
+			DBG_ERR("VT1625 Reg Error, re-init the register\n");
+
+			vt1625_set_tv_mode((vt1625_tv_mode == 1) ? 1 : 0);
+		}
+	}
+
+	mod_timer(&vt1625_timer, jiffies + msecs_to_jiffies(VT1625_TIMER_INTERVAL));
+}
+
+static DECLARE_WORK(vt1625_work, vt1625_reconfig);
+
+static void vt1625_config_timer(unsigned long fcontext)
+{
+    schedule_work(&vt1625_work);
+}
+
+static void init_vt1625_timer(void)
+{
+	char buf[40];
+	int varlen = 40;
+	char *endp;
+	int value, reg_monitor;
+
+	reg_monitor = 0;
+
+	if (wmt_getsyspara(VT1625_REG_MONITOR_ENV, buf, &varlen) == 0) {
+		value = simple_strtoul(buf, &endp, 0);
+		if( value != 0)
+			reg_monitor = 1;
+	}
+
+	if(reg_monitor) {
+		init_timer(&vt1625_timer);
+		vt1625_timer.function = vt1625_config_timer;
+		vt1625_timer.data = 0;
+	} else
+		vt1625_timer.function = NULL;
+
+}
+
+static void start_vt1625_timer(void)
+{
+	if(vt1625_timer.function)
+		mod_timer(&vt1625_timer, jiffies + msecs_to_jiffies(VT1625_TIMER_INTERVAL));
+}
+
+static void stop_vt1625_timer(void)
+{
+	if(vt1625_timer.function)
+		del_timer_sync(&vt1625_timer);
+}
+#endif
+
+/*
+* Function : vt1625_parse_reg_env
+* Parameter:
+*    p_env   : env name
+*    p_reg   : store the vt1625 register offset and value
+*    p_regnum: register number
+* Return:
+*    0  : the env is set and the env's value is available
+*   -1  : the env is Not set or the env's value is wrong
+*   -12 : no memory for parsing register env
+*/
+static int vt1625_parse_reg_env(char *p_env,
+		vt1625_reg_env_t *p_reg, int *p_regnum)
+{
+	int i;
+	char *buf;
+	int buflen = 1024;
+	unsigned int value;
+	const char *p;
+	char *endp;
+
+	buf = kmalloc(buflen, GFP_KERNEL);
+	if(buf == NULL) {
+		DBG_ERR("kzalloc fail\n");
+		return -12;
+	}
+
+	if(wmt_getsyspara(p_env, buf, &buflen) != 0) {
+		kfree(buf);
+		return -1;
+	}
+
+	*p_regnum = 0;
+	p = buf;
+
+	for(i = 0; i <= VT1625_REG_MAX_OFFSET; i++) {
+		value = simple_strtoul(p, &endp, 16);
+		if(value > VT1625_REG_MAX_OFFSET) {
+			DBG_ERR("wrong register offset\n");
+			kfree(buf);
+			return -1;
+		}
+		(p_reg + i)->offset = value;
+		/*
+		* reg_offset must be followed reg_value
+		* If reg_offset is NOT followed any reg_value, It is wrong format
+		*/
+		if(*endp == '\0'|| *(endp + 1) == '\0') {
+			DBG_ERR("wrong env(%s) format\n", p_env);
+			kfree(buf);
+			return -1;
+		}
+
+		p = endp + 1;
+
+		value = simple_strtoul(p, &endp, 16);
+		if(value > 0xFF) {
+			DBG_ERR("wrong register value\n");
+			kfree(buf);
+			return -1;
+		}
+		(p_reg + i)->value = value;
+		*p_regnum = *p_regnum + 1;
+
+		if(*endp == '\0')
+			break;
+
+		p = endp + 1;
+	}
+
+	kfree(buf);
+	return 0;
+}
+
+/*the define and struct i2c_msg were declared int linux/i2c.h*/
+void vt1625_reg_dump(void)
+{
+	int i;
+	char buf[256];
+
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR, VT1625_INPUT_SELECTION,
+		buf, 128);
+	for (i = 0; i < 128; i += 8) {
+		MSG("0x%02X : 0x%02X,0x%02X,0x%02X,0x%02X",
+			i, buf[i], buf[i + 1], buf[i + 2], buf[i + 3]);
+		MSG(",0x%02X,0x%02X,0x%02X,0x%02X\n",
+			buf[i + 4], buf[i + 5], buf[i + 6], buf[i + 7]);
+	}
+}
+
+static char vt1625_get_dac_val(enum vt1625_out_t mode)
+{
+	char ret;
+
+	switch (mode) {
+	case VT1625_OUT_CVBS:
+		ret = 0x37;
+		break;
+	case VT1625_OUT_VGA:
+		ret = 0x38;
+		break;
+	case VT1625_OUT_YUV:
+	default:
+		ret = 0x0;
+		break;
+	}
+	return ret;
+}
+
+static void vt1625_set_tv_mode(int ntsc)
+{
+	char *p;
+	char buf[10];
+
+/*
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_INPUT_SELECTION, buf, 5);
+	DBG_MSG("ntsc %d, 0x%x, 0x%x\n", ntsc, buf[0], buf[4]);
+	vt1625_tv_mode = (ntsc) ? 1 : 2;
+#ifdef CONFIG_KERNEL
+	if (buf[0] && (vt1625_out_mode != VT1625_OUT_MAX)) {
+		if (ntsc && !(buf[4] & BIT0))
+			return;
+		if (!ntsc && (buf[4] & BIT0))
+			return;
+	}
+#endif
+*/
+	vt1625_tv_mode = (ntsc) ? 1 : 2;
+	if(register_is_right(ntsc))
+		return;
+
+	DBG_MSG("tv %s,mode %d\n", (ntsc) ? "NTSC" : "PAL", vt1625_out_mode);
+
+	p = (char *)((ntsc) ?  vt1625_ntsc_param : vt1625_pal_param);
+	vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR, VT1625_INPUT_SELECTION,
+				&p[VT1625_INPUT_SELECTION], 0x71);
+	if (vt1625_out_mode == VT1625_OUT_MAX) { /* not stable so no use */
+		buf[0] = 0x0;
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_POWER_MANAGEMENT, buf, 1);
+		mdelay(10);
+		vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_STATUS, buf, 1);
+		vt1625_out_mode = (buf[0] & 0x7) ?
+			VT1625_OUT_CVBS : VT1625_OUT_VGA;
+		DBG_MSG("get out mode %d, 0x%x\n", vt1625_out_mode, buf[0]);
+	}
+
+	if (vt1625_out_mode == VT1625_OUT_VGA) {
+		vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_SYNC_SELECTION_1, buf, 1);
+		buf[0] |= 0xA0;
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_SYNC_SELECTION_1, buf, 1);
+
+		vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_DAC_OVERFLOW, buf, 1);
+		buf[0] |= 0x20;
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_DAC_OVERFLOW, buf, 1);
+
+		vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_TEST_1, buf, 1);
+		buf[0] |= 0x40;
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_TEST_1, buf, 1);
+	} else {
+#ifdef CONFIG_VT1625_INTERRUPT
+		/* interrupt (VGA no work) */
+		vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_INT_WSS_2, buf, 1);
+		buf[0] |= 0xA0; /* enable sense interrupt */
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_INT_WSS_2, buf, 1);
+#endif
+	}
+
+	if (vt1625_colfmt == VDO_COL_FMT_YUV444) {
+		/*
+		* Force write reg0x00 and reg0x4C
+		*/
+		buf[0] = 0x3A;
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_INPUT_SELECTION, buf, 1);
+		buf[0] = 0x08;
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_GPO, buf, 1);
+	}
+
+#ifdef CONFIG_VT1625_POWER
+	buf[0] = vt1625_get_dac_val(vt1625_out_mode);
+	vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+		VT1625_POWER_MANAGEMENT, buf, 1);
+#endif
+}
+
+static int vt1625_check_plugin(int hotplug)
+{
+	char buf[2];
+	char cur[1];
+	int plugin;
+
+	/*
+	* Enable VT1625 Power First
+	*/
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+		VT1625_POWER_MANAGEMENT, cur, 1);
+
+	buf[0] = vt1625_get_dac_val(vt1625_out_mode);
+
+	if(cur[0] != buf[0]) {
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_POWER_MANAGEMENT, buf, 1);
+
+		msleep(10);
+	}
+
+	if((vt1625_out_mode == VT1625_OUT_CVBS) && vt1625_cvbs_always_turnon)
+		return 1;
+
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR, VT1625_POWER_MANAGEMENT,
+		buf, 2);
+	plugin = ~buf[1] & (~buf[0] & 0x3F);
+	DBG_MSG("[VT1625] DAC A %d, B %d, C %d, D %d, E %d, F %d\n",
+		(plugin & 0x20) ? 1 : 0, (plugin & 0x10) ? 1 : 0,
+		(plugin & 0x08) ? 1 : 0, (plugin & 0x04) ? 1 : 0,
+		(plugin & 0x02) ? 1 : 0, (plugin & 0x01) ? 1 : 0);
+	return (plugin) ? 1 : 0;
+}
+
+static int vt1625_init(struct vout_t *vo)
+{
+	char buf[40];
+	int varlen = 40;
+	char *endp;
+	unsigned int value;
+
+	DBG_MSG("\n");
+	if (vt1625_tv_mode) { /* resume reinit */
+		MSG("[VT1625] DVI reinit\n");
+		vt1625_set_tv_mode((vt1625_tv_mode == 1) ? 1 : 0);
+		if (govrh_get_dvo_enable(p_govrh2) == 0)
+			govrh_set_dvo_enable(p_govrh2, VPP_FLAG_ENABLE);
+		pre_plugin = 0;
+		return 0;
+	}
+
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR, VT1625_VERSION_ID, buf, 1);
+	if (buf[0] != 0x50) /* check version id */
+		return -1;
+
+	if (wmt_getsyspara("wmt.display.vt1625.mode", buf, &varlen) == 0) {
+		if (memcmp(buf, "yuv", 3) == 0)
+			vt1625_out_mode = VT1625_OUT_YUV;
+		else if (memcmp(buf, "vga", 3) == 0)
+			vt1625_out_mode = VT1625_OUT_VGA;
+		else
+			vt1625_out_mode = VT1625_OUT_CVBS;
+		DPRINT("[VT1625] mode %d\n", vt1625_out_mode);
+	} else
+		vt1625_out_mode = VT1625_OUT_CVBS; /* VT1625_OUT_MAX; */
+
+#ifdef CONFIG_VM700
+	vt1625_colfmt = VDO_COL_FMT_YUV444;
+#else
+	vt1625_colfmt = VDO_COL_FMT_ARGB;
+#endif
+	if (wmt_getsyspara("wmt.display.vt1625.colfmt", buf, &varlen) == 0) {
+		if (memcmp(buf, "yuv", 3) == 0)
+			vt1625_colfmt = VDO_COL_FMT_YUV444;
+		else if (memcmp(buf, "rgb", 3) == 0)
+			vt1625_colfmt = VDO_COL_FMT_ARGB;
+	}
+
+	vo->option[0] = (unsigned int) vt1625_colfmt;
+	vo->option[1] = (unsigned int) VPP_DATAWIDHT_12;
+
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_INPUT_SELECTION, buf, 5);
+	if (buf[0])
+		vt1625_tv_mode = (buf[4]) ? 2 : 1;
+
+    p_govrh2->fb_p->csc_mode = VPP_CSC_RGB2YUV_SDTV_0_255;
+
+	if (wmt_getsyspara(VT1625_CVBS_ALWAYS_TURNON, buf, &varlen) == 0) {
+		value = simple_strtoul(buf, &endp, 0);
+		if(value != 0)
+			vt1625_cvbs_always_turnon = 1;
+		else
+			vt1625_cvbs_always_turnon = 0;
+	} else
+		vt1625_cvbs_always_turnon = 0;
+
+#ifdef CONFIG_KERNEL
+    vt1625_set_tv_mode((vt1625_tv_mode == 1) ? 1 : 0);
+
+	start_vt1625_timer();
+#endif
+
+	MSG("[VT1625] DVI ext device\n");
+	return 0;
+}
+
+static int vt1625_set_mode(unsigned int *option)
+{
+#ifdef CONFIG_VT1625_INTERRUPT
+	char buf[1];
+#endif
+
+	DBG_MSG("\n");
+#ifdef CONFIG_VT1625_INTERRUPT
+	if (!g_vpp.dvi_int_disable) {
+	vout_set_int_type(1);
+	vout_set_int_enable(1);
+
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+		VT1625_INT_WSS_2, buf, 1);
+	buf[0] |= 0xA0; /* enable sense interrupt */
+	vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+		VT1625_INT_WSS_2, buf, 1);
+	}
+#endif
+	return 0;
+}
+
+static void vt1625_set_power_down(int enable)
+{
+	struct vout_t *vo;
+	char buf[1];
+	char cur[1];
+
+	/*
+	bit 0-2 : DAC D/E/F - VGA
+	bit 3 : DAC C - CVBS
+	bit 3-5 : DAC A/B/C - YPbPr
+	bit 6 : PLL
+	bit 7 : IO pad
+	*/
+	vo = vout_get_entry(VPP_VOUT_NUM_DVI);
+	if (vo->status & (VPP_VOUT_STS_BLANK + VPP_VOUT_STS_POWERDN))
+		enable = 1;
+
+	/* power down for not support resolution */
+//#ifndef CONFIG_VT1625_INTERRUPT
+	if ((vt1625_tv_mode != 0) && enable && g_vpp.dvi_int_disable)
+		buf[0] = 0xFF;
+	else
+//#endif
+		buf[0] = vt1625_get_dac_val(vt1625_out_mode);
+
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+		VT1625_POWER_MANAGEMENT, cur, 1);
+
+	if (cur[0] == buf[0])
+		return;
+
+	DBG_MSG("enable %d,cur 0x%x,new 0x%x\n", enable, cur[0], buf[0]);
+#if 1
+	if (enable == 0) {
+		cur[0] &= ~0x40; /* turn on PLL */
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_POWER_MANAGEMENT, cur, 1);
+		mdelay(3);
+
+		cur[0] &= ~0x80; /* turn on IO pad */
+		vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_POWER_MANAGEMENT, cur, 1);
+		mdelay(3);
+	}
+#endif
+#ifdef CONFIG_VT1625_POWER
+	vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+		VT1625_POWER_MANAGEMENT, buf, 1);
+#endif
+}
+
+static int vt1625_config(struct vout_info_t *info)
+{
+	int ntsc = -1;
+
+	DBG_MSG("%d,%d\n", info->resx, info->resy);
+	if (info->resx == 720) {
+		switch (info->resy) {
+		case 480:
+			ntsc = 1;
+			break;
+		case 576:
+			ntsc = 0;
+			break;
+		default:
+			break;
+		}
+	}
+
+	if (ntsc != -1)
+		vt1625_set_tv_mode(ntsc);
+	else
+		vt1625_tv_mode = 0;
+	DBG_MSG("end\n");
+	return 0;
+}
+
+static int vt1625_get_edid(char *buf)
+{
+	return 0;
+}
+
+#ifdef CONFIG_VT1625_INTERRUPT
+static int vt1625_interrupt(void)
+{
+	char buf[1];
+
+	vppif_reg32_write(GPIO_BASE_ADDR + 0x4c0, 0x1 << VPP_VOINT_NO,
+			VPP_VOINT_NO, 0x0); /* GPIO pull-up */
+	/* interrupt */
+	vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR, VT1625_INT_WSS_2, buf, 1);
+	DBG_MSG("0x%x\n", buf[0]);
+	buf[0] &= ~0x40; /* clear interrupt */
+	vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR, VT1625_INT_WSS_2, buf, 1);
+	return vt1625_check_plugin(1);
+}
+#endif
+
+static void vt1625_poll(void)
+{
+	int plugin;
+	char buf[1];
+	char cur[1];
+
+	if (govrh_get_dvo_enable(p_govrh2) == 0)
+		govrh_set_dvo_enable(p_govrh2, VPP_FLAG_ENABLE);
+
+	plugin = vt1625_check_plugin(0);
+	if (plugin != pre_plugin) {
+		struct vout_t *vo;
+
+		vo = vout_get_entry(VPP_VOUT_NUM_DVI);
+		vout_change_status(vo, VPP_VOUT_STS_PLUGIN, plugin);
+#ifdef CONFIG_KERNEL
+		vpp_netlink_notify_plug(VPP_VOUT_NUM_DVI, plugin);
+#endif
+		pre_plugin = plugin;
+		DMSG("%d\n", plugin);
+	}
+
+	/*
+	* Disable VT1625 Power if CVBS Not plugin
+	*/
+	if(plugin == 0) {
+		vpp_i2c_read(VPP_DVI_I2C_ID, VT1625_ADDR,
+			VT1625_POWER_MANAGEMENT, cur, 1);
+
+		buf[0] = 0xFF;
+
+		if(cur[0] != buf[0]) {
+			vpp_i2c_write(VPP_DVI_I2C_ID, VT1625_ADDR,
+				VT1625_POWER_MANAGEMENT, buf, 1);
+		}
+	}
+}
+
+static int vt1625_suspend(void)
+{
+	DMSG("\n");
+
+#ifdef CONFIG_KERNEL
+	stop_vt1625_timer();
+#endif
+
+	return 0;
+}
+
+static int vt1625_resume(void)
+{
+	DMSG("\n");
+
+#ifdef CONFIG_KERNEL
+	start_vt1625_timer();
+#endif
+	return 0;
+}
+
+/*----------------------- vout device plugin ---------------------------------*/
+struct vout_dev_t vt1625_vout_dev_ops = {
+	.name = "VT1625",
+	.mode = VOUT_INF_DVI,
+
+	.init = vt1625_init,
+	.set_power_down = vt1625_set_power_down,
+	.set_mode = vt1625_set_mode,
+	.config = vt1625_config,
+	.check_plugin = vt1625_check_plugin,
+	.get_edid = vt1625_get_edid,
+#ifdef CONFIG_VT1625_INTERRUPT
+	.interrupt = vt1625_interrupt,
+#endif
+	.poll = vt1625_poll,
+	.suspend = vt1625_suspend,
+	.resume = vt1625_resume,
+};
+
+int vt1625_module_init(void)
+{
+	vt1625_reg_env_t *p_reg;
+	int i, ret, regnum;
+
+	p_reg = kmalloc((VT1625_REG_MAX_OFFSET + 1) * sizeof(vt1625_reg_env_t),
+		GFP_KERNEL);
+	if(p_reg) {
+		ret = vt1625_parse_reg_env(VT1625_PAL_REG_ENV, p_reg, &regnum);
+		if(ret == 0) {
+			for(i = 0; i < regnum; i++)
+				vt1625_pal_param[(p_reg + i)->offset] =
+					(p_reg + i)->value;
+		}
+
+		ret = vt1625_parse_reg_env(VT1625_NTSC_REG_ENV, p_reg, &regnum);
+		if(ret == 0) {
+			for(i = 0; i < regnum; i++)
+				vt1625_ntsc_param[(p_reg + i)->offset] =
+					(p_reg + i)->value;
+		}
+
+		kfree(p_reg);
+	} else
+		DBG_ERR("kzalloc fail\n");
+
+#ifdef CONFIG_KERNEL
+	init_vt1625_timer();
+#endif
+
+	vout_device_register(&vt1625_vout_dev_ops);
+
+	return 0;
+}
+module_init(vt1625_module_init);
+/*--------------------End of Function Body -----------------------------------*/
+#undef VT1625_C