merge: http://www.kernellabs.com/hg/~dheitmueller/em28xx-terratec-zl10353/

From: Mauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

15 files changed, 769 insertions, 70 deletions

diff --git a/linux/drivers/media/video/Kconfig b/linux/drivers/media/video/Kconfig
index 061e147f6..84b6fc155 100644
--- a/linux/drivers/media/video/Kconfig
+++ b/linux/drivers/media/video/Kconfig
@@ -312,6 +312,14 @@ config VIDEO_OV7670
 	  OV7670 VGA camera.  It currently only works with the M88ALP01
 	  controller.
 
+config VIDEO_MT9V011
+	tristate "Micron mt9v011 sensor support"
+	depends on I2C && VIDEO_V4L2
+	---help---
+	  This is a Video4Linux2 sensor-level driver for the Micron
+	  mt0v011 1.3 Mpixel camera.  It currently only works with the
+	  em28xx driver.
+
 config VIDEO_TCM825X
 	tristate "TCM825x camera sensor support"
 	depends on I2C && VIDEO_V4L2
diff --git a/linux/drivers/media/video/Makefile b/linux/drivers/media/video/Makefile
index 7fb3add1b..9f2e3214a 100644
--- a/linux/drivers/media/video/Makefile
+++ b/linux/drivers/media/video/Makefile
@@ -69,6 +69,7 @@ obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
 obj-$(CONFIG_VIDEO_OV7670) 	+= ov7670.o
 obj-$(CONFIG_VIDEO_TCM825X) += tcm825x.o
 obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
+obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o
 
 obj-$(CONFIG_SOC_CAMERA_MT9M001)	+= mt9m001.o
 obj-$(CONFIG_SOC_CAMERA_MT9M111)	+= mt9m111.o
diff --git a/linux/drivers/media/video/em28xx/Kconfig b/linux/drivers/media/video/em28xx/Kconfig
index 16a5af30e..6524b493e 100644
--- a/linux/drivers/media/video/em28xx/Kconfig
+++ b/linux/drivers/media/video/em28xx/Kconfig
@@ -8,6 +8,8 @@ config VIDEO_EM28XX
 	select VIDEO_SAA711X if VIDEO_HELPER_CHIPS_AUTO
 	select VIDEO_TVP5150 if VIDEO_HELPER_CHIPS_AUTO
 	select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO
+	select VIDEO_MT9V011 if VIDEO_HELPER_CHIPS_AUTO
+
 	---help---
 	  This is a video4linux driver for Empia 28xx based TV cards.
 
diff --git a/linux/drivers/media/video/em28xx/em28xx-cards.c b/linux/drivers/media/video/em28xx/em28xx-cards.c
index 46ce91afc..e63c2e64e 100644
--- a/linux/drivers/media/video/em28xx/em28xx-cards.c
+++ b/linux/drivers/media/video/em28xx/em28xx-cards.c
@@ -204,6 +204,13 @@ static struct em28xx_reg_seq terratec_av350_unmute_gpio[] = {
 	{EM28XX_R08_GPIO,	0xff,	0xff,		10},
 	{	-1,		-1,	-1,		-1},
 };
+
+static struct em28xx_reg_seq silvercrest_reg_seq[] = {
+	{EM28XX_R08_GPIO,	0xff,	0xff,		10},
+	{EM28XX_R08_GPIO,	0x01,	0xf7,		10},
+	{	-1,		-1,	-1,		-1},
+};
+
 /*
  *  Board definitions
  */
@@ -451,6 +458,18 @@ struct em28xx_board em28xx_boards[] = {
 			.amux     = EM28XX_AMUX_VIDEO,
 		} },
 	},
+	[EM2820_BOARD_SILVERCREST_WEBCAM] = {
+		.name         = "Silvercrest Webcam 1.3mpix",
+		.tuner_type   = TUNER_ABSENT,
+		.is_27xx      = 1,
+		.decoder      = EM28XX_MT9V011,
+		.input        = { {
+			.type     = EM28XX_VMUX_COMPOSITE1,
+			.vmux     = 0,
+			.amux     = EM28XX_AMUX_VIDEO,
+			.gpio     = silvercrest_reg_seq,
+		} },
+	},
 	[EM2821_BOARD_SUPERCOMP_USB_2] = {
 		.name         = "Supercomp USB 2.0 TV",
 		.valid        = EM28XX_BOARD_NOT_VALIDATED,
@@ -1708,6 +1727,11 @@ static unsigned short tvp5150_addrs[] = {
 	I2C_CLIENT_END
 };
 
+static unsigned short mt9v011_addrs[] = {
+	0xba >> 1,
+	I2C_CLIENT_END
+};
+
 static unsigned short msp3400_addrs[] = {
 	0x80 >> 1,
 	0x88 >> 1,
@@ -1775,7 +1799,10 @@ void em28xx_pre_card_setup(struct em28xx *dev)
 			em28xx_info("chip ID is em2750\n");
 			break;
 		case CHIP_ID_EM2820:
-			em28xx_info("chip ID is em2820\n");
+			if (dev->board.is_27xx)
+				em28xx_info("chip is em2710\n");
+			else
+				em28xx_info("chip ID is em2820\n");
 			break;
 		case CHIP_ID_EM2840:
 			em28xx_info("chip ID is em2840\n");
@@ -2261,6 +2288,10 @@ void em28xx_card_setup(struct em28xx *dev)
 		   before probing the i2c bus. */
 		em28xx_set_mode(dev, EM28XX_ANALOG_MODE);
 		break;
+	case EM2820_BOARD_SILVERCREST_WEBCAM:
+		/* FIXME: need to document the registers bellow */
+		em28xx_write_reg(dev, 0x0d, 0x42);
+		em28xx_write_reg(dev, 0x13, 0x08);
 	}
 
 	if (dev->board.has_snapshot_button)
@@ -2292,6 +2323,10 @@ void em28xx_card_setup(struct em28xx *dev)
 		v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 			"tvp5150", "tvp5150", tvp5150_addrs);
 
+	if (dev->board.decoder == EM28XX_MT9V011)
+		v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap,
+			"mt9v011", "mt9v011", mt9v011_addrs);
+
 	if (dev->board.adecoder == EM28XX_TVAUDIO)
 		v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 			"tvaudio", "tvaudio", dev->board.tvaudio_addr);
diff --git a/linux/drivers/media/video/em28xx/em28xx-core.c b/linux/drivers/media/video/em28xx/em28xx-core.c
index 2bce72e4f..7ad8edff2 100644
--- a/linux/drivers/media/video/em28xx/em28xx-core.c
+++ b/linux/drivers/media/video/em28xx/em28xx-core.c
@@ -648,17 +648,29 @@ int em28xx_capture_start(struct em28xx *dev, int start)
 int em28xx_set_outfmt(struct em28xx *dev)
 {
 	int ret;
+	int vinmode, vinctl, outfmt;
+
+	outfmt  = dev->format->reg;
+
+	if (dev->board.is_27xx) {
+		vinmode = 0x0d;
+		vinctl  = 0x00;
+		outfmt  = 0x24;
+	} else {
+		vinmode = 0x10;
+		vinctl  = 0x11;
+	}
 
 	ret = em28xx_write_reg_bits(dev, EM28XX_R27_OUTFMT,
-				    dev->format->reg | 0x20, 0x3f);
+				outfmt | 0x20, 0xff);
 	if (ret < 0)
-		return ret;
+			return ret;
 
-	ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, 0x10);
+	ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, vinmode);
 	if (ret < 0)
 		return ret;
 
-	return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x11);
+	return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctl);
 }
 
 static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax,
@@ -695,13 +707,19 @@ static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
 {
 	u8 mode;
 	/* the em2800 scaler only supports scaling down to 50% */
-	if (dev->board.is_em2800)
+
+	if (dev->board.is_27xx) {
+		/* FIXME: Don't use the scaler yet */
+		mode = 0;
+	} else if (dev->board.is_em2800) {
 		mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00);
-	else {
+	} else {
 		u8 buf[2];
+
 		buf[0] = h;
 		buf[1] = h >> 8;
 		em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2);
+
 		buf[0] = v;
 		buf[1] = v >> 8;
 		em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2);
@@ -720,8 +738,11 @@ int em28xx_resolution_set(struct em28xx *dev)
 	height = norm_maxh(dev) >> 1;
 
 	em28xx_set_outfmt(dev);
+
+
 	em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
 	em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
+
 	return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
 }
 
diff --git a/linux/drivers/media/video/em28xx/em28xx-i2c.c b/linux/drivers/media/video/em28xx/em28xx-i2c.c
index 1cdd88361..24eebd4a3 100644
--- a/linux/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/linux/drivers/media/video/em28xx/em28xx-i2c.c
@@ -461,7 +461,7 @@ static struct i2c_algorithm em28xx_algo = {
 
 static struct i2c_adapter em28xx_adap_template = {
 	.owner = THIS_MODULE,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
 	.class = I2C_CLASS_TV_ANALOG,
 #endif
 	.name = "em28xx",
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c
index 63d21698c..3c47acee3 100644
--- a/linux/drivers/media/video/em28xx/em28xx-video.c
+++ b/linux/drivers/media/video/em28xx/em28xx-video.c
@@ -94,6 +94,49 @@ static struct em28xx_fmt format[] = {
 		.fourcc   = V4L2_PIX_FMT_YUYV,
 		.depth    = 16,
 		.reg	  = EM28XX_OUTFMT_YUV422_Y0UY1V,
+	}, {
+		.name     = "16 bpp RGB, le",
+		.fourcc   = V4L2_PIX_FMT_RGB565,
+		.depth    = 16,
+		.reg      = EM28XX_OUTFMT_YUV211,
+#if 0
+	/* TODO: need tests and newer definitions */
+	}, {
+		.name     = "Y1-U-Y0-V, 16 bpp",
+		.fourcc   = 0,
+		.depth    = 16,
+		.reg      = EM28XX_OUTFMT_YUV422_Y1UY0V
+	}, {
+		.name     = "YUV211, 8 bpp",
+		.fourcc   = 0,
+		.depth    = 8,
+		.reg      = EM28XX_OUTFMT_YUV211,
+	}, {
+		.name     = "YUV411, 12 bpp",
+		.fourcc   = 0,
+		.depth    = 12,
+		.reg      = EM28XX_OUTFMT_YUV411,
+	}, {
+		.name     = "RGB, 8bit RGRG",
+		.fourcc   = 0,
+		.depth    = 8,
+		.reg      = EM28XX_OUTFMT_YUV211,
+	}, {
+		.name     = "RGB, 8bit GRGR",
+		.fourcc   = 0,
+		.depth    = 8,
+		.reg      = EM28XX_OUTFMT_YUV211,
+	}, {
+		.name     = "RGB, 8bit GBGB",
+		.fourcc   = 0,
+		.depth    = 8,
+		.reg      = EM28XX_OUTFMT_YUV211,
+	}, {
+		.name     = "RGB, 8bit BGBG",
+		.fourcc   = 0,
+		.depth    = 8,
+		.reg      = EM28XX_OUTFMT_RGB_8_BGBG,
+#endif
 	},
 };
 
@@ -698,6 +741,10 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 	unsigned int          hscale, vscale;
 	struct em28xx_fmt     *fmt;
 
+	/* FIXME: This is the only supported fmt */
+	if (dev->board.is_27xx)
+		f->fmt.pix.pixelformat = V4L2_PIX_FMT_RGB565;
+
 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 	if (!fmt) {
 		em28xx_videodbg("Fourcc format (%08x) invalid.\n",
@@ -705,7 +752,11 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 		return -EINVAL;
 	}
 
-	if (dev->board.is_em2800) {
+	if (dev->board.is_27xx) {
+		/* FIXME: This is the only supported fmt */
+		width  = 640;
+		height = 480;
+	} else if (dev->board.is_em2800) {
 		/* the em2800 can only scale down to 50% */
 		height = height > (3 * maxh / 4) ? maxh : maxh / 2;
 		width = width > (3 * maxw / 4) ? maxw : maxw / 2;
@@ -751,6 +802,10 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 
 	mutex_lock(&dev->lock);
 
+	/* FIXME: This is the only supported fmt */
+	if (dev->board.is_27xx)
+		f->fmt.pix.pixelformat = V4L2_PIX_FMT_RGB565;
+
 	vidioc_try_fmt_vid_cap(file, priv, f);
 
 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h
index 6fb890efa..2eedfef53 100644
--- a/linux/drivers/media/video/em28xx/em28xx.h
+++ b/linux/drivers/media/video/em28xx/em28xx.h
@@ -108,6 +108,7 @@
 #define EM2860_BOARD_TERRATEC_AV350		  68
 #define EM2882_BOARD_KWORLD_ATSC_315U		  69
 #define EM2882_BOARD_EVGA_INDTUBE		  70
+#define EM2820_BOARD_SILVERCREST_WEBCAM           71
 
 /* Limits minimum and default number of buffers */
 #define EM28XX_MIN_BUF 4
@@ -361,6 +362,7 @@ enum em28xx_decoder {
 	EM28XX_NODECODER,
 	EM28XX_TVP5150,
 	EM28XX_SAA711X,
+	EM28XX_MT9V011,
 };
 
 enum em28xx_adecoder {
@@ -389,6 +391,7 @@ struct em28xx_board {
 	unsigned int max_range_640_480:1;
 	unsigned int has_dvb:1;
 	unsigned int has_snapshot_button:1;
+	unsigned int is_27xx:1;
 	unsigned int valid:1;
 
 	unsigned char xclk, i2c_speed;
diff --git a/linux/drivers/media/video/gspca/stv06xx/stv06xx.h b/linux/drivers/media/video/gspca/stv06xx/stv06xx.h
index bb73c3288..bdea4dae2 100644
--- a/linux/drivers/media/video/gspca/stv06xx/stv06xx.h
+++ b/linux/drivers/media/video/gspca/stv06xx/stv06xx.h
@@ -37,10 +37,6 @@
 
 #define STV_ISOC_ENDPOINT_ADDR		0x81
 
-#ifndef V4L2_PIX_FMT_SGRBG8
-#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G')
-#endif
-
 #define STV_REG23 			0x0423
 
 /* Control registers of the STV0600 ASIC */
diff --git a/linux/drivers/media/video/mt9v011.c b/linux/drivers/media/video/mt9v011.c
new file mode 100644
index 000000000..d3f2b4dc5
--- /dev/null
+++ b/linux/drivers/media/video/mt9v011.c
@@ -0,0 +1,382 @@
+/*
+ * mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor
+ *
+ * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com)
+ * This code is placed under the terms of the GNU General Public License v2
+ */
+
+#include <linux/i2c.h>
+#include "compat.h"
+#include <linux/videodev2.h>
+#include <linux/delay.h>
+#include <media/v4l2-device.h>
+#include "mt9v011.h"
+#include <media/v4l2-i2c-drv.h>
+#include <media/v4l2-chip-ident.h>
+
+MODULE_DESCRIPTION("Micron mt9v011 sensor driver");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_LICENSE("GPL");
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
+/* standard i2c insmod options */
+static unsigned short normal_i2c[] = {
+	0xba >> 1,
+	I2C_CLIENT_END
+};
+
+I2C_CLIENT_INSMOD;
+#endif
+
+static int debug;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level (0-2)");
+
+/* supported controls */
+static struct v4l2_queryctrl mt9v011_qctrl[] = {
+	{
+		.id = V4L2_CID_GAIN,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.name = "Gain",
+		.minimum = 0,
+		.maximum = (1 << 10) - 1,
+		.step = 1,
+		.default_value = 0x0020,
+		.flags = 0,
+	}, {
+		.id = V4L2_CID_RED_BALANCE,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.name = "Red Balance",
+		.minimum = -1 << 9,
+		.maximum = (1 << 9) - 1,
+		.step = 1,
+		.default_value = 0,
+		.flags = 0,
+	}, {
+		.id = V4L2_CID_BLUE_BALANCE,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.name = "Blue Balance",
+		.minimum = -1 << 9,
+		.maximum = (1 << 9) - 1,
+		.step = 1,
+		.default_value = 0,
+		.flags = 0,
+	},
+};
+
+struct mt9v011 {
+	struct v4l2_subdev sd;
+
+	u16 global_gain, red_bal, blue_bal;
+};
+
+static inline struct mt9v011 *to_mt9v011(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct mt9v011, sd);
+}
+
+static int mt9v011_read(struct v4l2_subdev *sd, unsigned char addr)
+{
+	struct i2c_client *c = v4l2_get_subdevdata(sd);
+	__be16 buffer;
+	int rc, val;
+
+	rc = i2c_master_send(c, &addr, 1);
+	if (rc != 1)
+		v4l2_dbg(0, debug, sd,
+			 "i2c i/o error: rc == %d (should be 1)\n", rc);
+
+	msleep(10);
+
+	rc = i2c_master_recv(c, (char *)&buffer, 2);
+	if (rc != 2)
+		v4l2_dbg(0, debug, sd,
+			 "i2c i/o error: rc == %d (should be 2)\n", rc);
+
+	val = be16_to_cpu(buffer);
+
+	v4l2_dbg(2, debug, sd, "mt9v011: read 0x%02x = 0x%04x\n", addr, val);
+
+	return val;
+}
+
+static void mt9v011_write(struct v4l2_subdev *sd, unsigned char addr,
+				 u16 value)
+{
+	struct i2c_client *c = v4l2_get_subdevdata(sd);
+	unsigned char buffer[3];
+	int rc;
+
+	buffer[0] = addr;
+	buffer[1] = value >> 8;
+	buffer[2] = value & 0xff;
+
+	v4l2_dbg(2, debug, sd,
+		 "mt9v011: writing 0x%02x 0x%04x\n", buffer[0], value);
+	rc = i2c_master_send(c, &buffer, 3);
+	if (rc != 3)
+		v4l2_dbg(0, debug, sd,
+			 "i2c i/o error: rc == %d (should be 3)\n", rc);
+}
+
+
+struct i2c_reg_value {
+	unsigned char reg;
+	u16           value;
+};
+
+/*
+ * Values used at the original driver
+ * Some values are marked as Reserved at the datasheet
+ */
+static const struct i2c_reg_value mt9v011_init_default[] = {
+		{ R0D_MT9V011_RESET, 0x0001 },
+		{ R0D_MT9V011_RESET, 0x0000 },
+
+		{ R01_MT9V011_ROWSTART, 0x0008 },
+		{ R02_MT9V011_COLSTART, 0x0014 },
+		{ R03_MT9V011_HEIGHT, 0x01e0 },
+		{ R04_MT9V011_WIDTH, 0x0280 },
+		{ R05_MT9V011_HBLANK, 0x007b },
+		{ R06_MT9V011_VBLANK, 0x001c },
+		{ R09_MT9V011_SHUTTER_WIDTH, 0x0418 },
+		{ R0A_MT9V011_CLK_SPEED, 0x0000 },
+		{ R0C_MT9V011_SHUTTER_DELAY, 0x0000 },
+		{ R1E_MT9V011_DIGITAL_ZOOM,  0x0000 },
+		{ R20_MT9V011_READ_MODE, 0x1100 },
+
+		/*
+		 * Those registers are not docummented at the datasheet.
+		 * However, the original driver initializes them
+		 */
+		{ 0x30, 0x0005 },
+		{ 0x34, 0x0100 },
+		{ 0x3d, 0x068f },
+		{ 0x40, 0x01e0 },
+		{ 0x52, 0x0100 },
+		{ 0x58, 0x0038 },	/* Datasheet default 0x0078 */
+		{ 0x59, 0x0723 },	/* Datasheet default 0x0703 */
+		{ 0x62, 0x041a },	/* Datasheet default 0x0418 */
+
+		{ R07_MT9V011_OUT_CTRL, 0x000a },	/* chip enable */
+};
+
+static void set_balance(struct v4l2_subdev *sd)
+{
+	struct mt9v011 *core = to_mt9v011(sd);
+	u16 green1_gain, green2_gain, blue_gain, red_gain;
+
+	green1_gain = core->global_gain;
+	green2_gain = core->global_gain;
+
+	blue_gain = core->global_gain +
+		    core->global_gain * core->blue_bal / (1 << 9);
+
+	red_gain = core->global_gain +
+		   core->global_gain * core->blue_bal / (1 << 9);
+
+	mt9v011_write(sd, R2B_MT9V011_GREEN_1_GAIN, green1_gain);
+	mt9v011_write(sd, R2E_MT9V011_GREEN_2_GAIN,  green1_gain);
+	mt9v011_write(sd, R2C_MT9V011_BLUE_GAIN, blue_gain);
+	mt9v011_write(sd, R2D_MT9V011_RED_GAIN, red_gain);
+}
+
+static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
+{
+	u16 version;
+	int i;
+
+	version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);
+
+	if (version != MT9V011_VERSION) {
+		v4l2_info(sd, "*** unknown micron chip detected (0x%04x.\n",
+			  version);
+		return -EINVAL;
+
+	}
+
+	for (i = 0; i < ARRAY_SIZE(mt9v011_init_default); i++)
+		mt9v011_write(sd, mt9v011_init_default[i].reg,
+			       mt9v011_init_default[i].value);
+
+	set_balance(sd);
+
+	return 0;
+};
+
+static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+	struct mt9v011 *core = to_mt9v011(sd);
+
+	v4l2_dbg(1, debug, sd, "g_ctrl called\n");
+
+	switch (ctrl->id) {
+	case V4L2_CID_GAIN:
+		ctrl->value = core->global_gain;
+		return 0;
+	case V4L2_CID_RED_BALANCE:
+		ctrl->value = core->red_bal;
+		return 0;
+	case V4L2_CID_BLUE_BALANCE:
+		ctrl->value = core->blue_bal;
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+	struct mt9v011 *core = to_mt9v011(sd);
+	u8 i, n;
+	n = ARRAY_SIZE(mt9v011_qctrl);
+
+	for (i = 0; i < n; i++) {
+		if (ctrl->id != mt9v011_qctrl[i].id)
+			continue;
+		if (ctrl->value < mt9v011_qctrl[i].minimum ||
+		    ctrl->value > mt9v011_qctrl[i].maximum)
+			return -ERANGE;
+		v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n",
+					ctrl->id, ctrl->value);
+		break;
+	}
+
+	switch (ctrl->id) {
+	case V4L2_CID_GAIN:
+		core->global_gain = ctrl->value;
+		break;
+	case V4L2_CID_RED_BALANCE:
+		core->red_bal = ctrl->value;
+		break;
+	case V4L2_CID_BLUE_BALANCE:
+		core->blue_bal = ctrl->value;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	set_balance(sd);
+
+	return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int mt9v011_g_register(struct v4l2_subdev *sd,
+			      struct v4l2_dbg_register *reg)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	if (!v4l2_chip_match_i2c_client(client, &reg->match))
+		return -EINVAL;
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	reg->val = mt9v011_read(sd, reg->reg & 0xff);
+	reg->size = 2;
+
+	return 0;
+}
+
+static int mt9v011_s_register(struct v4l2_subdev *sd,
+			      struct v4l2_dbg_register *reg)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	if (!v4l2_chip_match_i2c_client(client, &reg->match))
+		return -EINVAL;
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	mt9v011_write(sd, reg->reg & 0xff, reg->val & 0xffff);
+
+	return 0;
+}
+#endif
+
+static int mt9v011_g_chip_ident(struct v4l2_subdev *sd,
+				struct v4l2_dbg_chip_ident *chip)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_MT9V011,
+					  MT9V011_VERSION);
+}
+
+static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
+	.g_ctrl = mt9v011_g_ctrl,
+	.s_ctrl = mt9v011_s_ctrl,
+	.reset = mt9v011_reset,
+	.g_chip_ident = mt9v011_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+	.g_register = mt9v011_g_register,
+	.s_register = mt9v011_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_ops mt9v011_ops = {
+	.core = &mt9v011_core_ops,
+};
+
+
+/****************************************************************************
+			I2C Client & Driver
+ ****************************************************************************/
+
+static int mt9v011_probe(struct i2c_client *c,
+			 const struct i2c_device_id *id)
+{
+	struct mt9v011 *core;
+	struct v4l2_subdev *sd;
+
+	/* Check if the adapter supports the needed features */
+	if (!i2c_check_functionality(c->adapter,
+	     I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
+		return -EIO;
+
+	core = kzalloc(sizeof(struct mt9v011), GFP_KERNEL);
+	if (!core)
+		return -ENOMEM;
+
+	core->global_gain = 0x0024;
+
+	sd = &core->sd;
+	v4l2_i2c_subdev_init(sd, c, &mt9v011_ops);
+	v4l_info(c, "chip found @ 0x%02x (%s)\n",
+		 c->addr << 1, c->adapter->name);
+
+	return 0;
+}
+
+static int mt9v011_remove(struct i2c_client *c)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(c);
+
+	v4l2_dbg(1, debug, sd,
+		"mt9v011.c: removing mt9v011 adapter on address 0x%x\n",
+		c->addr << 1);
+
+	v4l2_device_unregister_subdev(sd);
+	kfree(to_mt9v011(sd));
+	return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+static const struct i2c_device_id mt9v011_id[] = {
+	{ "mt9v011", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, mt9v011_id);
+
+#endif
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "mt9v011",
+	.probe = mt9v011_probe,
+	.remove = mt9v011_remove,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
+	.legacy_class = I2C_CLASS_TV_ANALOG | I2C_CLASS_TV_DIGITAL,
+#else
+	.id_table = mt9v011_id,
+#endif
+};
diff --git a/linux/drivers/media/video/mt9v011.h b/linux/drivers/media/video/mt9v011.h
new file mode 100644
index 000000000..9e443ee30
--- /dev/null
+++ b/linux/drivers/media/video/mt9v011.h
@@ -0,0 +1,35 @@
+/*
+ * mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor
+ *
+ * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com)
+ * This code is placed under the terms of the GNU General Public License v2
+ */
+
+#ifndef MT9V011_H_
+#define MT9V011_H_
+
+#define R00_MT9V011_CHIP_VERSION	0x00
+#define R01_MT9V011_ROWSTART		0x01
+#define R02_MT9V011_COLSTART		0x02
+#define R03_MT9V011_HEIGHT		0x03
+#define R04_MT9V011_WIDTH		0x04
+#define R05_MT9V011_HBLANK		0x05
+#define R06_MT9V011_VBLANK		0x06
+#define R07_MT9V011_OUT_CTRL		0x07
+#define R09_MT9V011_SHUTTER_WIDTH	0x09
+#define R0A_MT9V011_CLK_SPEED		0x0a
+#define R0B_MT9V011_RESTART		0x0b
+#define R0C_MT9V011_SHUTTER_DELAY	0x0c
+#define R0D_MT9V011_RESET		0x0d
+#define R1E_MT9V011_DIGITAL_ZOOM	0x1e
+#define R20_MT9V011_READ_MODE		0x20
+#define R2B_MT9V011_GREEN_1_GAIN	0x2b
+#define R2C_MT9V011_BLUE_GAIN		0x2c
+#define R2D_MT9V011_RED_GAIN		0x2d
+#define R2E_MT9V011_GREEN_2_GAIN	0x2e
+#define R35_MT9V011_GLOBAL_GAIN		0x35
+#define RF1_MT9V011_CHIP_ENABLE		0xf1
+
+#define MT9V011_VERSION			0x8243
+
+#endif
diff --git a/linux/drivers/media/video/pwc/pwc.h b/linux/drivers/media/video/pwc/pwc.h
index 3a89dca13..7a766eb35 100644
--- a/linux/drivers/media/video/pwc/pwc.h
+++ b/linux/drivers/media/video/pwc/pwc.h
@@ -137,12 +137,6 @@
 #define DEVICE_USE_CODEC3(x) ((x)>=700)
 #define DEVICE_USE_CODEC23(x) ((x)>=675)
 
-
-#ifndef V4L2_PIX_FMT_PWC1
-#define V4L2_PIX_FMT_PWC1	v4l2_fourcc('P','W','C','1')
-#define V4L2_PIX_FMT_PWC2	v4l2_fourcc('P','W','C','2')
-#endif
-
 /* The following structures were based on cpia.h. Why reinvent the wheel? :-) */
 struct pwc_iso_buf
 {
diff --git a/linux/drivers/media/video/v4l2-common.c b/linux/drivers/media/video/v4l2-common.c
index f94b5d92a..864ee0772 100644
--- a/linux/drivers/media/video/v4l2-common.c
+++ b/linux/drivers/media/video/v4l2-common.c
@@ -868,6 +868,17 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
 	/* Decrease the module use count to match the first try_module_get. */
 	module_put(client->driver->driver.owner);
 
+	if (sd) {
+		/* We return errors from v4l2_subdev_call only if we have the
+		   callback as the .s_config is not mandatory */
+		int err = v4l2_subdev_call(sd, core, s_config, 0, NULL);
+
+		if (err && err != -ENOIOCTLCMD) {
+			v4l2_device_unregister_subdev(sd);
+			sd = NULL;
+		}
+	}
+
 error:
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
 	/* If we have a client but no subdev, then something went wrong and
@@ -931,6 +942,17 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev,
 	/* Decrease the module use count to match the first try_module_get. */
 	module_put(client->driver->driver.owner);
 
+	if (sd) {
+		/* We return errors from v4l2_subdev_call only if we have the
+		   callback as the .s_config is not mandatory */
+		int err = v4l2_subdev_call(sd, core, s_config, 0, NULL);
+
+		if (err && err != -ENOIOCTLCMD) {
+			v4l2_device_unregister_subdev(sd);
+			sd = NULL;
+		}
+	}
+
 error:
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
 	/* If we have a client but no subdev, then something went wrong and
@@ -953,6 +975,150 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev
 }
 EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr);
 
+/* Load an i2c sub-device. */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
+		struct i2c_adapter *adapter, const char *module_name,
+		struct i2c_board_info *info, const unsigned short *probe_addrs)
+{
+	struct v4l2_subdev *sd = NULL;
+	struct i2c_client *client;
+
+	BUG_ON(!v4l2_dev);
+
+	if (module_name)
+		request_module(module_name);
+
+	/* Create the i2c client */
+	if (info->addr == 0 && probe_addrs)
+		client = i2c_new_probed_device(adapter, info, probe_addrs);
+	else
+		client = i2c_new_device(adapter, info);
+
+	/* Note: by loading the module first we are certain that c->driver
+	   will be set if the driver was found. If the module was not loaded
+	   first, then the i2c core tries to delay-load the module for us,
+	   and then c->driver is still NULL until the module is finally
+	   loaded. This delay-load mechanism doesn't work if other drivers
+	   want to use the i2c device, so explicitly loading the module
+	   is the best alternative. */
+	if (client == NULL || client->driver == NULL)
+		goto error;
+
+	/* Lock the module so we can safely get the v4l2_subdev pointer */
+	if (!try_module_get(client->driver->driver.owner))
+		goto error;
+	sd = i2c_get_clientdata(client);
+
+	/* Register with the v4l2_device which increases the module's
+	   use count as well. */
+	if (v4l2_device_register_subdev(v4l2_dev, sd))
+		sd = NULL;
+	/* Decrease the module use count to match the first try_module_get. */
+	module_put(client->driver->driver.owner);
+
+	if (sd) {
+		/* We return errors from v4l2_subdev_call only if we have the
+		   callback as the .s_config is not mandatory */
+		int err = v4l2_subdev_call(sd, core, s_config,
+				info->irq, info->platform_data);
+
+		if (err && err != -ENOIOCTLCMD) {
+			v4l2_device_unregister_subdev(sd);
+			sd = NULL;
+		}
+	}
+
+error:
+	/* If we have a client but no subdev, then something went wrong and
+	   we must unregister the client. */
+	if (client && sd == NULL)
+		i2c_unregister_device(client);
+	return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev_board);
+
+struct v4l2_subdev *v4l2_i2c_new_subdev_cfg(struct v4l2_device *v4l2_dev,
+		struct i2c_adapter *adapter,
+		const char *module_name, const char *client_type,
+		int irq, void *platform_data,
+		u8 addr, const unsigned short *probe_addrs)
+{
+	struct i2c_board_info info;
+
+	/* Setup the i2c board info with the device type and
+	   the device address. */
+	memset(&info, 0, sizeof(info));
+	strlcpy(info.type, client_type, sizeof(info.type));
+	info.addr = addr;
+	info.irq = irq;
+	info.platform_data = platform_data;
+
+	return v4l2_i2c_new_subdev_board(v4l2_dev, adapter, module_name,
+			&info, probe_addrs);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev_cfg);
+#else
+struct v4l2_subdev *v4l2_i2c_new_subdev_cfg(struct v4l2_device *v4l2_dev,
+		struct i2c_adapter *adapter,
+		const char *module_name, const char *client_type,
+		int irq, void *platform_data,
+		u8 addr, const unsigned short *probe_addrs)
+{
+	struct v4l2_subdev *sd = NULL;
+	struct i2c_client *client = NULL;
+
+	BUG_ON(!v4l2_dev);
+
+	if (module_name)
+		request_module(module_name);
+
+	if (addr == 0 && probe_addrs) {
+		/* Legacy code: loading the module should automatically
+		   probe and create the i2c_client on the adapter.
+		   Try to find the client by walking the adapter's client list
+		   for each of the possible addresses. */
+		while (!client && *probe_addrs != I2C_CLIENT_END)
+			client = v4l2_i2c_legacy_find_client(adapter, *probe_addrs++);
+	} else {
+		/* Legacy code: loading the module automatically probes and
+		   creates the i2c_client on the adapter. Try to find the
+		   client by walking the adapter's client list. */
+		client = v4l2_i2c_legacy_find_client(adapter, addr);
+	}
+	if (client == NULL || client->driver == NULL)
+		goto error;
+
+	/* Lock the module so we can safely get the v4l2_subdev pointer */
+	if (!try_module_get(client->driver->driver.owner))
+		goto error;
+	sd = i2c_get_clientdata(client);
+
+	/* Register with the v4l2_device which increases the module's
+	   use count as well. */
+	if (v4l2_device_register_subdev(v4l2_dev, sd))
+		sd = NULL;
+	/* Decrease the module use count to match the first try_module_get. */
+	module_put(client->driver->driver.owner);
+
+	if (sd) {
+		/* We return errors from v4l2_subdev_call only if we have the
+		   callback as the .s_config is not mandatory */
+		int err = v4l2_subdev_call(sd, core, s_config,
+				irq, platform_data);
+
+		if (err && err != -ENOIOCTLCMD) {
+			v4l2_device_unregister_subdev(sd);
+			sd = NULL;
+		}
+	}
+
+error:
+	return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev_cfg);
+#endif
+
 /* Return i2c client address of v4l2_subdev. */
 unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
 {
diff --git a/linux/drivers/media/video/v4l2-device.c b/linux/drivers/media/video/v4l2-device.c
index 4fa93189d..655d19cd6 100644
--- a/linux/drivers/media/video/v4l2-device.c
+++ b/linux/drivers/media/video/v4l2-device.c
@@ -86,8 +86,8 @@ void v4l2_device_unregister(struct v4l2_device *v4l2_dev)
 	/* Unregister subdevs */
 	list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list) {
 		v4l2_device_unregister_subdev(sd);
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
 		if (sd->flags & V4L2_SUBDEV_FL_IS_I2C) {
 			struct i2c_client *client = v4l2_get_subdevdata(sd);
 
diff --git a/linux/drivers/media/video/vivi.c b/linux/drivers/media/video/vivi.c
index fe39b7326..afd8e2a5a 100644
--- a/linux/drivers/media/video/vivi.c
+++ b/linux/drivers/media/video/vivi.c
@@ -346,6 +346,53 @@ static struct bar_std bars[] = {
 #define TO_U(r, g, b) \
 	(((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
 
+/* precalculate color bar values to speed up rendering */
+static void precalculate_bars(struct vivi_fh *fh)
+{
+	struct vivi_dev *dev = fh->dev;
+	unsigned char r, g, b;
+	int k, is_yuv;
+
+	fh->input = dev->input;
+
+	for (k = 0; k < 8; k++) {
+		r = bars[fh->input].bar[k][0];
+		g = bars[fh->input].bar[k][1];
+		b = bars[fh->input].bar[k][2];
+		is_yuv = 0;
+
+		switch (fh->fmt->fourcc) {
+		case V4L2_PIX_FMT_YUYV:
+		case V4L2_PIX_FMT_UYVY:
+			is_yuv = 1;
+			break;
+		case V4L2_PIX_FMT_RGB565:
+		case V4L2_PIX_FMT_RGB565X:
+			r >>= 3;
+			g >>= 2;
+			b >>= 3;
+			break;
+		case V4L2_PIX_FMT_RGB555:
+		case V4L2_PIX_FMT_RGB555X:
+			r >>= 3;
+			g >>= 3;
+			b >>= 3;
+			break;
+		}
+
+		if (is_yuv) {
+			fh->bars[k][0] = TO_Y(r, g, b);	/* Luma */
+			fh->bars[k][1] = TO_U(r, g, b);	/* Cb */
+			fh->bars[k][2] = TO_V(r, g, b);	/* Cr */
+		} else {
+			fh->bars[k][0] = r;
+			fh->bars[k][1] = g;
+			fh->bars[k][2] = b;
+		}
+	}
+
+}
+
 #define TSTAMP_MIN_Y	24
 #define TSTAMP_MAX_Y	(TSTAMP_MIN_Y + 15)
 #define TSTAMP_INPUT_X	10
@@ -758,6 +805,8 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
 	buf->vb.height = fh->height;
 	buf->vb.field  = field;
 
+	precalculate_bars(fh);
+
 	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 		rc = videobuf_iolock(vq, &buf->vb, NULL);
 		if (rc < 0)
@@ -896,53 +945,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 	return 0;
 }
 
-/* precalculate color bar values to speed up rendering */
-static void precalculate_bars(struct vivi_fh *fh)
-{
-	struct vivi_dev *dev = fh->dev;
-	unsigned char r, g, b;
-	int k, is_yuv;
-
-	fh->input = dev->input;
-
-	for (k = 0; k < 8; k++) {
-		r = bars[fh->input].bar[k][0];
-		g = bars[fh->input].bar[k][1];
-		b = bars[fh->input].bar[k][2];
-		is_yuv = 0;
-
-		switch (fh->fmt->fourcc) {
-		case V4L2_PIX_FMT_YUYV:
-		case V4L2_PIX_FMT_UYVY:
-			is_yuv = 1;
-			break;
-		case V4L2_PIX_FMT_RGB565:
-		case V4L2_PIX_FMT_RGB565X:
-			r >>= 3;
-			g >>= 2;
-			b >>= 3;
-			break;
-		case V4L2_PIX_FMT_RGB555:
-		case V4L2_PIX_FMT_RGB555X:
-			r >>= 3;
-			g >>= 3;
-			b >>= 3;
-			break;
-		}
-
-		if (is_yuv) {
-			fh->bars[k][0] = TO_Y(r, g, b);	/* Luma */
-			fh->bars[k][1] = TO_U(r, g, b);	/* Cb */
-			fh->bars[k][2] = TO_V(r, g, b);	/* Cr */
-		} else {
-			fh->bars[k][0] = r;
-			fh->bars[k][1] = g;
-			fh->bars[k][2] = b;
-		}
-	}
-
-}
-
 /*FIXME: This seems to be generic enough to be at videodev2 */
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 					struct v4l2_format *f)
@@ -968,8 +970,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 	fh->vb_vidq.field = f->fmt.pix.field;
 	fh->type          = f->type;
 
-	precalculate_bars(fh);
-
 	ret = 0;
 out:
 	mutex_unlock(&q->vb_lock);
@@ -1360,6 +1360,7 @@ static int __init vivi_create_instance(int inst)
 		goto unreg_dev;
 
 	*vfd = vivi_template;
+	vfd->debug = debug;
 
 	ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr);
 	if (ret < 0)