V4L/DVB (13659): soc-camera: convert to the new mediabus API

Convert soc-camera core and all soc-camera drivers to the new mediabus
API. This also takes soc-camera client drivers one step closer to also be
usable with generic v4l2-subdev host drivers.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

14 files changed, 1374 insertions, 959 deletions

diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index cc9066000c2d..b62c0bd3f8ea 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -48,41 +48,46 @@
 #define MT9M001_COLUMN_SKIP		20
 #define MT9M001_ROW_SKIP		12
 
-static const struct soc_camera_data_format mt9m001_colour_formats[] = {
+/* MT9M001 has only one fixed colorspace per pixelcode */
+struct mt9m001_datafmt {
+	enum v4l2_mbus_pixelcode	code;
+	enum v4l2_colorspace		colorspace;
+};
+
+/* Find a data format by a pixel code in an array */
+static const struct mt9m001_datafmt *mt9m001_find_datafmt(
+	enum v4l2_mbus_pixelcode code, const struct mt9m001_datafmt *fmt,
+	int n)
+{
+	int i;
+	for (i = 0; i < n; i++)
+		if (fmt[i].code == code)
+			return fmt + i;
+
+	return NULL;
+}
+
+static const struct mt9m001_datafmt mt9m001_colour_fmts[] = {
 	/*
 	 * Order important: first natively supported,
 	 * second supported with a GPIO extender
 	 */
-	{
-		.name		= "Bayer (sRGB) 10 bit",
-		.depth		= 10,
-		.fourcc		= V4L2_PIX_FMT_SBGGR16,
-		.colorspace	= V4L2_COLORSPACE_SRGB,
-	}, {
-		.name		= "Bayer (sRGB) 8 bit",
-		.depth		= 8,
-		.fourcc		= V4L2_PIX_FMT_SBGGR8,
-		.colorspace	= V4L2_COLORSPACE_SRGB,
-	}
+	{V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_COLORSPACE_SRGB},
+	{V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
 };
 
-static const struct soc_camera_data_format mt9m001_monochrome_formats[] = {
+static const struct mt9m001_datafmt mt9m001_monochrome_fmts[] = {
 	/* Order important - see above */
-	{
-		.name		= "Monochrome 10 bit",
-		.depth		= 10,
-		.fourcc		= V4L2_PIX_FMT_Y16,
-	}, {
-		.name		= "Monochrome 8 bit",
-		.depth		= 8,
-		.fourcc		= V4L2_PIX_FMT_GREY,
-	},
+	{V4L2_MBUS_FMT_Y10_1X10, V4L2_COLORSPACE_JPEG},
+	{V4L2_MBUS_FMT_GREY8_1X8, V4L2_COLORSPACE_JPEG},
 };
 
 struct mt9m001 {
 	struct v4l2_subdev subdev;
 	struct v4l2_rect rect;	/* Sensor window */
-	__u32 fourcc;
+	const struct mt9m001_datafmt *fmt;
+	const struct mt9m001_datafmt *fmts;
+	int num_fmts;
 	int model;	/* V4L2_IDENT_MT9M001* codes from v4l2-chip-ident.h */
 	unsigned int gain;
 	unsigned int exposure;
@@ -209,8 +214,7 @@ static int mt9m001_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 	const u16 hblank = 9, vblank = 25;
 	unsigned int total_h;
 
-	if (mt9m001->fourcc == V4L2_PIX_FMT_SBGGR8 ||
-	    mt9m001->fourcc == V4L2_PIX_FMT_SBGGR16)
+	if (mt9m001->fmts == mt9m001_colour_fmts)
 		/*
 		 * Bayer format - even number of rows for simplicity,
 		 * but let the user play with the top row.
@@ -290,32 +294,32 @@ static int mt9m001_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 	return 0;
 }
 
-static int mt9m001_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m001_g_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9m001 *mt9m001 = to_mt9m001(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 
-	pix->width		= mt9m001->rect.width;
-	pix->height		= mt9m001->rect.height;
-	pix->pixelformat	= mt9m001->fourcc;
-	pix->field		= V4L2_FIELD_NONE;
-	pix->colorspace		= V4L2_COLORSPACE_SRGB;
+	mf->width	= mt9m001->rect.width;
+	mf->height	= mt9m001->rect.height;
+	mf->code	= mt9m001->fmt->code;
+	mf->colorspace	= mt9m001->fmt->colorspace;
+	mf->field	= V4L2_FIELD_NONE;
 
 	return 0;
 }
 
-static int mt9m001_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m001_s_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9m001 *mt9m001 = to_mt9m001(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 	struct v4l2_crop a = {
 		.c = {
 			.left	= mt9m001->rect.left,
 			.top	= mt9m001->rect.top,
-			.width	= pix->width,
-			.height	= pix->height,
+			.width	= mf->width,
+			.height	= mf->height,
 		},
 	};
 	int ret;
@@ -323,28 +327,39 @@ static int mt9m001_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
 	/* No support for scaling so far, just crop. TODO: use skipping */
 	ret = mt9m001_s_crop(sd, &a);
 	if (!ret) {
-		pix->width = mt9m001->rect.width;
-		pix->height = mt9m001->rect.height;
-		mt9m001->fourcc = pix->pixelformat;
+		mf->width	= mt9m001->rect.width;
+		mf->height	= mt9m001->rect.height;
+		mt9m001->fmt	= mt9m001_find_datafmt(mf->code,
+					mt9m001->fmts, mt9m001->num_fmts);
+		mf->colorspace	= mt9m001->fmt->colorspace;
 	}
 
 	return ret;
 }
 
-static int mt9m001_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m001_try_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9m001 *mt9m001 = to_mt9m001(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
+	const struct mt9m001_datafmt *fmt;
 
-	v4l_bound_align_image(&pix->width, MT9M001_MIN_WIDTH,
+	v4l_bound_align_image(&mf->width, MT9M001_MIN_WIDTH,
 		MT9M001_MAX_WIDTH, 1,
-		&pix->height, MT9M001_MIN_HEIGHT + mt9m001->y_skip_top,
+		&mf->height, MT9M001_MIN_HEIGHT + mt9m001->y_skip_top,
 		MT9M001_MAX_HEIGHT + mt9m001->y_skip_top, 0, 0);
 
-	if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8 ||
-	    pix->pixelformat == V4L2_PIX_FMT_SBGGR16)
-		pix->height = ALIGN(pix->height - 1, 2);
+	if (mt9m001->fmts == mt9m001_colour_fmts)
+		mf->height = ALIGN(mf->height - 1, 2);
+
+	fmt = mt9m001_find_datafmt(mf->code, mt9m001->fmts,
+				   mt9m001->num_fmts);
+	if (!fmt) {
+		fmt = mt9m001->fmt;
+		mf->code = fmt->code;
+	}
+
+	mf->colorspace	= fmt->colorspace;
 
 	return 0;
 }
@@ -608,11 +623,11 @@ static int mt9m001_video_probe(struct soc_camera_device *icd,
 	case 0x8411:
 	case 0x8421:
 		mt9m001->model = V4L2_IDENT_MT9M001C12ST;
-		icd->formats = mt9m001_colour_formats;
+		mt9m001->fmts = mt9m001_colour_fmts;
 		break;
 	case 0x8431:
 		mt9m001->model = V4L2_IDENT_MT9M001C12STM;
-		icd->formats = mt9m001_monochrome_formats;
+		mt9m001->fmts = mt9m001_monochrome_fmts;
 		break;
 	default:
 		dev_err(&client->dev,
@@ -620,7 +635,7 @@ static int mt9m001_video_probe(struct soc_camera_device *icd,
 		return -ENODEV;
 	}
 
-	icd->num_formats = 0;
+	mt9m001->num_fmts = 0;
 
 	/*
 	 * This is a 10bit sensor, so by default we only allow 10bit.
@@ -633,14 +648,14 @@ static int mt9m001_video_probe(struct soc_camera_device *icd,
 		flags = SOCAM_DATAWIDTH_10;
 
 	if (flags & SOCAM_DATAWIDTH_10)
-		icd->num_formats++;
+		mt9m001->num_fmts++;
 	else
-		icd->formats++;
+		mt9m001->fmts++;
 
 	if (flags & SOCAM_DATAWIDTH_8)
-		icd->num_formats++;
+		mt9m001->num_fmts++;
 
-	mt9m001->fourcc = icd->formats->fourcc;
+	mt9m001->fmt = &mt9m001->fmts[0];
 
 	dev_info(&client->dev, "Detected a MT9M001 chip ID %x (%s)\n", data,
 		 data == 0x8431 ? "C12STM" : "C12ST");
@@ -686,14 +701,28 @@ static struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = {
 #endif
 };
 
+static int mt9m001_enum_fmt(struct v4l2_subdev *sd, int index,
+			    enum v4l2_mbus_pixelcode *code)
+{
+	struct i2c_client *client = sd->priv;
+	struct mt9m001 *mt9m001 = to_mt9m001(client);
+
+	if ((unsigned int)index >= mt9m001->num_fmts)
+		return -EINVAL;
+
+	*code = mt9m001->fmts[index].code;
+	return 0;
+}
+
 static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = {
 	.s_stream	= mt9m001_s_stream,
-	.s_fmt		= mt9m001_s_fmt,
-	.g_fmt		= mt9m001_g_fmt,
-	.try_fmt	= mt9m001_try_fmt,
+	.s_mbus_fmt	= mt9m001_s_fmt,
+	.g_mbus_fmt	= mt9m001_g_fmt,
+	.try_mbus_fmt	= mt9m001_try_fmt,
 	.s_crop		= mt9m001_s_crop,
 	.g_crop		= mt9m001_g_crop,
 	.cropcap	= mt9m001_cropcap,
+	.enum_mbus_fmt	= mt9m001_enum_fmt,
 };
 
 static struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = {
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 30db625455e4..d35f536f9fc3 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -123,23 +123,34 @@
 #define MT9M111_MAX_HEIGHT	1024
 #define MT9M111_MAX_WIDTH	1280
 
-#define COL_FMT(_name, _depth, _fourcc, _colorspace) \
-	{ .name = _name, .depth = _depth, .fourcc = _fourcc, \
-	.colorspace = _colorspace }
-#define RGB_FMT(_name, _depth, _fourcc) \
-	COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB)
-#define JPG_FMT(_name, _depth, _fourcc) \
-	COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_JPEG)
-
-static const struct soc_camera_data_format mt9m111_colour_formats[] = {
-	JPG_FMT("CbYCrY 16 bit", 16, V4L2_PIX_FMT_UYVY),
-	JPG_FMT("CrYCbY 16 bit", 16, V4L2_PIX_FMT_VYUY),
-	JPG_FMT("YCbYCr 16 bit", 16, V4L2_PIX_FMT_YUYV),
-	JPG_FMT("YCrYCb 16 bit", 16, V4L2_PIX_FMT_YVYU),
-	RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565),
-	RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555),
-	RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16),
-	RGB_FMT("Bayer (sRGB) 8 bit", 8, V4L2_PIX_FMT_SBGGR8),
+/* MT9M111 has only one fixed colorspace per pixelcode */
+struct mt9m111_datafmt {
+	enum v4l2_mbus_pixelcode	code;
+	enum v4l2_colorspace		colorspace;
+};
+
+/* Find a data format by a pixel code in an array */
+static const struct mt9m111_datafmt *mt9m111_find_datafmt(
+	enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt,
+	int n)
+{
+	int i;
+	for (i = 0; i < n; i++)
+		if (fmt[i].code == code)
+			return fmt + i;
+
+	return NULL;
+}
+
+static const struct mt9m111_datafmt mt9m111_colour_fmts[] = {
+	{V4L2_MBUS_FMT_YUYV8_2X8_LE, V4L2_COLORSPACE_JPEG},
+	{V4L2_MBUS_FMT_YVYU8_2X8_LE, V4L2_COLORSPACE_JPEG},
+	{V4L2_MBUS_FMT_YUYV8_2X8_BE, V4L2_COLORSPACE_JPEG},
+	{V4L2_MBUS_FMT_YVYU8_2X8_BE, V4L2_COLORSPACE_JPEG},
+	{V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
+	{V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB},
+	{V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
+	{V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
 };
 
 enum mt9m111_context {
@@ -152,7 +163,7 @@ struct mt9m111 {
 	int model;	/* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
 	enum mt9m111_context context;
 	struct v4l2_rect rect;
-	u32 pixfmt;
+	const struct mt9m111_datafmt *fmt;
 	unsigned int gain;
 	unsigned char autoexposure;
 	unsigned char datawidth;
@@ -258,8 +269,8 @@ static int mt9m111_setup_rect(struct i2c_client *client,
 	int width = rect->width;
 	int height = rect->height;
 
-	if (mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR8 ||
-	    mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR16)
+	if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+	    mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE)
 		is_raw_format = 1;
 	else
 		is_raw_format = 0;
@@ -307,7 +318,8 @@ static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
 
 static int mt9m111_setfmt_bayer8(struct i2c_client *client)
 {
-	return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER);
+	return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER |
+				    MT9M111_OUTFMT_RGB);
 }
 
 static int mt9m111_setfmt_bayer10(struct i2c_client *client)
@@ -401,8 +413,8 @@ static int mt9m111_make_rect(struct i2c_client *client,
 {
 	struct mt9m111 *mt9m111 = to_mt9m111(client);
 
-	if (mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR8 ||
-	    mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR16) {
+	if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+	    mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) {
 		/* Bayer format - even size lengths */
 		rect->width	= ALIGN(rect->width, 2);
 		rect->height	= ALIGN(rect->height, 2);
@@ -460,120 +472,139 @@ static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 	return 0;
 }
 
-static int mt9m111_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m111_g_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9m111 *mt9m111 = to_mt9m111(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 
-	pix->width		= mt9m111->rect.width;
-	pix->height		= mt9m111->rect.height;
-	pix->pixelformat	= mt9m111->pixfmt;
-	pix->field		= V4L2_FIELD_NONE;
-	pix->colorspace		= V4L2_COLORSPACE_SRGB;
+	mf->width	= mt9m111->rect.width;
+	mf->height	= mt9m111->rect.height;
+	mf->code	= mt9m111->fmt->code;
+	mf->field	= V4L2_FIELD_NONE;
 
 	return 0;
 }
 
-static int mt9m111_set_pixfmt(struct i2c_client *client, u32 pixfmt)
+static int mt9m111_set_pixfmt(struct i2c_client *client,
+			      enum v4l2_mbus_pixelcode code)
 {
 	struct mt9m111 *mt9m111 = to_mt9m111(client);
 	int ret;
 
-	switch (pixfmt) {
-	case V4L2_PIX_FMT_SBGGR8:
+	switch (code) {
+	case V4L2_MBUS_FMT_SBGGR8_1X8:
 		ret = mt9m111_setfmt_bayer8(client);
 		break;
-	case V4L2_PIX_FMT_SBGGR16:
+	case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
 		ret = mt9m111_setfmt_bayer10(client);
 		break;
-	case V4L2_PIX_FMT_RGB555:
+	case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
 		ret = mt9m111_setfmt_rgb555(client);
 		break;
-	case V4L2_PIX_FMT_RGB565:
+	case V4L2_MBUS_FMT_RGB565_2X8_LE:
 		ret = mt9m111_setfmt_rgb565(client);
 		break;
-	case V4L2_PIX_FMT_UYVY:
+	case V4L2_MBUS_FMT_YUYV8_2X8_BE:
 		mt9m111->swap_yuv_y_chromas = 0;
 		mt9m111->swap_yuv_cb_cr = 0;
 		ret = mt9m111_setfmt_yuv(client);
 		break;
-	case V4L2_PIX_FMT_VYUY:
+	case V4L2_MBUS_FMT_YVYU8_2X8_BE:
 		mt9m111->swap_yuv_y_chromas = 0;
 		mt9m111->swap_yuv_cb_cr = 1;
 		ret = mt9m111_setfmt_yuv(client);
 		break;
-	case V4L2_PIX_FMT_YUYV:
+	case V4L2_MBUS_FMT_YUYV8_2X8_LE:
 		mt9m111->swap_yuv_y_chromas = 1;
 		mt9m111->swap_yuv_cb_cr = 0;
 		ret = mt9m111_setfmt_yuv(client);
 		break;
-	case V4L2_PIX_FMT_YVYU:
+	case V4L2_MBUS_FMT_YVYU8_2X8_LE:
 		mt9m111->swap_yuv_y_chromas = 1;
 		mt9m111->swap_yuv_cb_cr = 1;
 		ret = mt9m111_setfmt_yuv(client);
 		break;
 	default:
 		dev_err(&client->dev, "Pixel format not handled : %x\n",
-			pixfmt);
+			code);
 		ret = -EINVAL;
 	}
 
-	if (!ret)
-		mt9m111->pixfmt = pixfmt;
-
 	return ret;
 }
 
-static int mt9m111_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m111_s_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
+	const struct mt9m111_datafmt *fmt;
 	struct mt9m111 *mt9m111 = to_mt9m111(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 	struct v4l2_rect rect = {
 		.left	= mt9m111->rect.left,
 		.top	= mt9m111->rect.top,
-		.width	= pix->width,
-		.height	= pix->height,
+		.width	= mf->width,
+		.height	= mf->height,
 	};
 	int ret;
 
+	fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
+				   ARRAY_SIZE(mt9m111_colour_fmts));
+	if (!fmt)
+		return -EINVAL;
+
 	dev_dbg(&client->dev,
-		"%s fmt=%x left=%d, top=%d, width=%d, height=%d\n", __func__,
-		pix->pixelformat, rect.left, rect.top, rect.width, rect.height);
+		"%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__,
+		mf->code, rect.left, rect.top, rect.width, rect.height);
 
 	ret = mt9m111_make_rect(client, &rect);
 	if (!ret)
-		ret = mt9m111_set_pixfmt(client, pix->pixelformat);
-	if (!ret)
-		mt9m111->rect = rect;
+		ret = mt9m111_set_pixfmt(client, mf->code);
+	if (!ret) {
+		mt9m111->rect	= rect;
+		mt9m111->fmt	= fmt;
+		mf->colorspace	= fmt->colorspace;
+	}
+
 	return ret;
 }
 
-static int mt9m111_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m111_try_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_mbus_framefmt *mf)
 {
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	bool bayer = pix->pixelformat == V4L2_PIX_FMT_SBGGR8 ||
-		pix->pixelformat == V4L2_PIX_FMT_SBGGR16;
+	struct i2c_client *client = sd->priv;
+	struct mt9m111 *mt9m111 = to_mt9m111(client);
+	const struct mt9m111_datafmt *fmt;
+	bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+		mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE;
+
+	fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
+				   ARRAY_SIZE(mt9m111_colour_fmts));
+	if (!fmt) {
+		fmt = mt9m111->fmt;
+		mf->code = fmt->code;
+	}
 
 	/*
 	 * With Bayer format enforce even side lengths, but let the user play
 	 * with the starting pixel
 	 */
 
-	if (pix->height > MT9M111_MAX_HEIGHT)
-		pix->height = MT9M111_MAX_HEIGHT;
-	else if (pix->height < 2)
-		pix->height = 2;
+	if (mf->height > MT9M111_MAX_HEIGHT)
+		mf->height = MT9M111_MAX_HEIGHT;
+	else if (mf->height < 2)
+		mf->height = 2;
 	else if (bayer)
-		pix->height = ALIGN(pix->height, 2);
+		mf->height = ALIGN(mf->height, 2);
 
-	if (pix->width > MT9M111_MAX_WIDTH)
-		pix->width = MT9M111_MAX_WIDTH;
-	else if (pix->width < 2)
-		pix->width = 2;
+	if (mf->width > MT9M111_MAX_WIDTH)
+		mf->width = MT9M111_MAX_WIDTH;
+	else if (mf->width < 2)
+		mf->width = 2;
 	else if (bayer)
-		pix->width = ALIGN(pix->width, 2);
+		mf->width = ALIGN(mf->width, 2);
+
+	mf->colorspace = fmt->colorspace;
 
 	return 0;
 }
@@ -863,7 +894,7 @@ static int mt9m111_restore_state(struct i2c_client *client)
 	struct mt9m111 *mt9m111 = to_mt9m111(client);
 
 	mt9m111_set_context(client, mt9m111->context);
-	mt9m111_set_pixfmt(client, mt9m111->pixfmt);
+	mt9m111_set_pixfmt(client, mt9m111->fmt->code);
 	mt9m111_setup_rect(client, &mt9m111->rect);
 	mt9m111_set_flip(client, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
 	mt9m111_set_flip(client, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
@@ -952,9 +983,6 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
 		goto ei2c;
 	}
 
-	icd->formats = mt9m111_colour_formats;
-	icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
-
 	dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data);
 
 ei2c:
@@ -971,13 +999,24 @@ static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
 #endif
 };
 
+static int mt9m111_enum_fmt(struct v4l2_subdev *sd, int index,
+			    enum v4l2_mbus_pixelcode *code)
+{
+	if ((unsigned int)index >= ARRAY_SIZE(mt9m111_colour_fmts))
+		return -EINVAL;
+
+	*code = mt9m111_colour_fmts[index].code;
+	return 0;
+}
+
 static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
-	.s_fmt		= mt9m111_s_fmt,
-	.g_fmt		= mt9m111_g_fmt,
-	.try_fmt	= mt9m111_try_fmt,
+	.s_mbus_fmt	= mt9m111_s_fmt,
+	.g_mbus_fmt	= mt9m111_g_fmt,
+	.try_mbus_fmt	= mt9m111_try_fmt,
 	.s_crop		= mt9m111_s_crop,
 	.g_crop		= mt9m111_g_crop,
 	.cropcap	= mt9m111_cropcap,
+	.enum_mbus_fmt	= mt9m111_enum_fmt,
 };
 
 static struct v4l2_subdev_ops mt9m111_subdev_ops = {
@@ -1024,6 +1063,7 @@ static int mt9m111_probe(struct i2c_client *client,
 	mt9m111->rect.top	= MT9M111_MIN_DARK_ROWS;
 	mt9m111->rect.width	= MT9M111_MAX_WIDTH;
 	mt9m111->rect.height	= MT9M111_MAX_HEIGHT;
+	mt9m111->fmt		= &mt9m111_colour_fmts[0];
 
 	ret = mt9m111_video_probe(icd, client);
 	if (ret) {
diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
index e3f664f21c48..69c227f65bcb 100644
--- a/drivers/media/video/mt9t031.c
+++ b/drivers/media/video/mt9t031.c
@@ -60,15 +60,6 @@
 	SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_HIGH |	\
 	SOCAM_MASTER | SOCAM_DATAWIDTH_10)
 
-static const struct soc_camera_data_format mt9t031_colour_formats[] = {
-	{
-		.name		= "Bayer (sRGB) 10 bit",
-		.depth		= 10,
-		.fourcc		= V4L2_PIX_FMT_SGRBG10,
-		.colorspace	= V4L2_COLORSPACE_SRGB,
-	}
-};
-
 struct mt9t031 {
 	struct v4l2_subdev subdev;
 	struct v4l2_rect rect;	/* Sensor window */
@@ -378,27 +369,27 @@ static int mt9t031_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 	return 0;
 }
 
-static int mt9t031_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9t031_g_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9t031 *mt9t031 = to_mt9t031(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 
-	pix->width		= mt9t031->rect.width / mt9t031->xskip;
-	pix->height		= mt9t031->rect.height / mt9t031->yskip;
-	pix->pixelformat	= V4L2_PIX_FMT_SGRBG10;
-	pix->field		= V4L2_FIELD_NONE;
-	pix->colorspace		= V4L2_COLORSPACE_SRGB;
+	mf->width	= mt9t031->rect.width / mt9t031->xskip;
+	mf->height	= mt9t031->rect.height / mt9t031->yskip;
+	mf->code	= V4L2_MBUS_FMT_SBGGR10_1X10;
+	mf->colorspace	= V4L2_COLORSPACE_SRGB;
+	mf->field	= V4L2_FIELD_NONE;
 
 	return 0;
 }
 
-static int mt9t031_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9t031_s_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9t031 *mt9t031 = to_mt9t031(client);
 	struct soc_camera_device *icd = client->dev.platform_data;
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 	u16 xskip, yskip;
 	struct v4l2_rect rect = mt9t031->rect;
 
@@ -406,8 +397,11 @@ static int mt9t031_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
 	 * try_fmt has put width and height within limits.
 	 * S_FMT: use binning and skipping for scaling
 	 */
-	xskip = mt9t031_skip(&rect.width, pix->width, MT9T031_MAX_WIDTH);
-	yskip = mt9t031_skip(&rect.height, pix->height, MT9T031_MAX_HEIGHT);
+	xskip = mt9t031_skip(&rect.width, mf->width, MT9T031_MAX_WIDTH);
+	yskip = mt9t031_skip(&rect.height, mf->height, MT9T031_MAX_HEIGHT);
+
+	mf->code	= V4L2_MBUS_FMT_SBGGR10_1X10;
+	mf->colorspace	= V4L2_COLORSPACE_SRGB;
 
 	/* mt9t031_set_params() doesn't change width and height */
 	return mt9t031_set_params(icd, &rect, xskip, yskip);
@@ -417,13 +411,15 @@ static int mt9t031_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
  * If a user window larger than sensor window is requested, we'll increase the
  * sensor window.
  */
-static int mt9t031_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9t031_try_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_mbus_framefmt *mf)
 {
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-
 	v4l_bound_align_image(
-		&pix->width, MT9T031_MIN_WIDTH, MT9T031_MAX_WIDTH, 1,
-		&pix->height, MT9T031_MIN_HEIGHT, MT9T031_MAX_HEIGHT, 1, 0);
+		&mf->width, MT9T031_MIN_WIDTH, MT9T031_MAX_WIDTH, 1,
+		&mf->height, MT9T031_MIN_HEIGHT, MT9T031_MAX_HEIGHT, 1, 0);
+
+	mf->code	= V4L2_MBUS_FMT_SBGGR10_1X10;
+	mf->colorspace	= V4L2_COLORSPACE_SRGB;
 
 	return 0;
 }
@@ -684,7 +680,6 @@ static int mt9t031_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
  */
 static int mt9t031_video_probe(struct i2c_client *client)
 {
-	struct soc_camera_device *icd = client->dev.platform_data;
 	struct mt9t031 *mt9t031 = to_mt9t031(client);
 	s32 data;
 	int ret;
@@ -699,8 +694,6 @@ static int mt9t031_video_probe(struct i2c_client *client)
 	switch (data) {
 	case 0x1621:
 		mt9t031->model = V4L2_IDENT_MT9T031;
-		icd->formats = mt9t031_colour_formats;
-		icd->num_formats = ARRAY_SIZE(mt9t031_colour_formats);
 		break;
 	default:
 		dev_err(&client->dev,
@@ -741,14 +734,25 @@ static struct v4l2_subdev_core_ops mt9t031_subdev_core_ops = {
 #endif
 };
 
+static int mt9t031_enum_fmt(struct v4l2_subdev *sd, int index,
+			    enum v4l2_mbus_pixelcode *code)
+{
+	if (index)
+		return -EINVAL;
+
+	*code = V4L2_MBUS_FMT_SBGGR10_1X10;
+	return 0;
+}
+
 static struct v4l2_subdev_video_ops mt9t031_subdev_video_ops = {
 	.s_stream	= mt9t031_s_stream,
-	.s_fmt		= mt9t031_s_fmt,
-	.g_fmt		= mt9t031_g_fmt,
-	.try_fmt	= mt9t031_try_fmt,
+	.s_mbus_fmt	= mt9t031_s_fmt,
+	.g_mbus_fmt	= mt9t031_g_fmt,
+	.try_mbus_fmt	= mt9t031_try_fmt,
 	.s_crop		= mt9t031_s_crop,
 	.g_crop		= mt9t031_g_crop,
 	.cropcap	= mt9t031_cropcap,
+	.enum_mbus_fmt	= mt9t031_enum_fmt,
 };
 
 static struct v4l2_subdev_sensor_ops mt9t031_subdev_sensor_ops = {
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index f60a9a107f20..91df7ec91fb6 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -64,41 +64,46 @@ MODULE_PARM_DESC(sensor_type, "Sensor type: \"colour\" or \"monochrome\"");
 #define MT9V022_COLUMN_SKIP		1
 #define MT9V022_ROW_SKIP		4
 
-static const struct soc_camera_data_format mt9v022_colour_formats[] = {
+/* MT9V022 has only one fixed colorspace per pixelcode */
+struct mt9v022_datafmt {
+	enum v4l2_mbus_pixelcode	code;
+	enum v4l2_colorspace		colorspace;
+};
+
+/* Find a data format by a pixel code in an array */
+static const struct mt9v022_datafmt *mt9v022_find_datafmt(
+	enum v4l2_mbus_pixelcode code, const struct mt9v022_datafmt *fmt,
+	int n)
+{
+	int i;
+	for (i = 0; i < n; i++)
+		if (fmt[i].code == code)
+			return fmt + i;
+
+	return NULL;
+}
+
+static const struct mt9v022_datafmt mt9v022_colour_fmts[] = {
 	/*
 	 * Order important: first natively supported,
 	 * second supported with a GPIO extender
 	 */
-	{
-		.name		= "Bayer (sRGB) 10 bit",
-		.depth		= 10,
-		.fourcc		= V4L2_PIX_FMT_SBGGR16,
-		.colorspace	= V4L2_COLORSPACE_SRGB,
-	}, {
-		.name		= "Bayer (sRGB) 8 bit",
-		.depth		= 8,
-		.fourcc		= V4L2_PIX_FMT_SBGGR8,
-		.colorspace	= V4L2_COLORSPACE_SRGB,
-	}
+	{V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_COLORSPACE_SRGB},
+	{V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
 };
 
-static const struct soc_camera_data_format mt9v022_monochrome_formats[] = {
+static const struct mt9v022_datafmt mt9v022_monochrome_fmts[] = {
 	/* Order important - see above */
-	{
-		.name		= "Monochrome 10 bit",
-		.depth		= 10,
-		.fourcc		= V4L2_PIX_FMT_Y16,
-	}, {
-		.name		= "Monochrome 8 bit",
-		.depth		= 8,
-		.fourcc		= V4L2_PIX_FMT_GREY,
-	},
+	{V4L2_MBUS_FMT_Y10_1X10, V4L2_COLORSPACE_JPEG},
+	{V4L2_MBUS_FMT_GREY8_1X8, V4L2_COLORSPACE_JPEG},
 };
 
 struct mt9v022 {
 	struct v4l2_subdev subdev;
 	struct v4l2_rect rect;	/* Sensor window */
-	__u32 fourcc;
+	const struct mt9v022_datafmt *fmt;
+	const struct mt9v022_datafmt *fmts;
+	int num_fmts;
 	int model;	/* V4L2_IDENT_MT9V022* codes from v4l2-chip-ident.h */
 	u16 chip_control;
 	unsigned short y_skip_top;	/* Lines to skip at the top */
@@ -275,8 +280,7 @@ static int mt9v022_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 	int ret;
 
 	/* Bayer format - even size lengths */
-	if (mt9v022->fourcc == V4L2_PIX_FMT_SBGGR8 ||
-	    mt9v022->fourcc == V4L2_PIX_FMT_SBGGR16) {
+	if (mt9v022->fmts == mt9v022_colour_fmts) {
 		rect.width	= ALIGN(rect.width, 2);
 		rect.height	= ALIGN(rect.height, 2);
 		/* Let the user play with the starting pixel */
@@ -354,32 +358,32 @@ static int mt9v022_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 	return 0;
 }
 
-static int mt9v022_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9v022_g_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 
-	pix->width		= mt9v022->rect.width;
-	pix->height		= mt9v022->rect.height;
-	pix->pixelformat	= mt9v022->fourcc;
-	pix->field		= V4L2_FIELD_NONE;
-	pix->colorspace		= V4L2_COLORSPACE_SRGB;
+	mf->width	= mt9v022->rect.width;
+	mf->height	= mt9v022->rect.height;
+	mf->code	= mt9v022->fmt->code;
+	mf->colorspace	= mt9v022->fmt->colorspace;
+	mf->field	= V4L2_FIELD_NONE;
 
 	return 0;
 }
 
-static int mt9v022_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9v022_s_fmt(struct v4l2_subdev *sd,
+			 struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
 	struct v4l2_crop a = {
 		.c = {
 			.left	= mt9v022->rect.left,
 			.top	= mt9v022->rect.top,
-			.width	= pix->width,
-			.height	= pix->height,
+			.width	= mf->width,
+			.height	= mf->height,
 		},
 	};
 	int ret;
@@ -388,14 +392,14 @@ static int mt9v022_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
 	 * The caller provides a supported format, as verified per call to
 	 * icd->try_fmt(), datawidth is from our supported format list
 	 */
-	switch (pix->pixelformat) {
-	case V4L2_PIX_FMT_GREY:
-	case V4L2_PIX_FMT_Y16:
+	switch (mf->code) {
+	case V4L2_MBUS_FMT_GREY8_1X8:
+	case V4L2_MBUS_FMT_Y10_1X10:
 		if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATM)
 			return -EINVAL;
 		break;
-	case V4L2_PIX_FMT_SBGGR8:
-	case V4L2_PIX_FMT_SBGGR16:
+	case V4L2_MBUS_FMT_SBGGR8_1X8:
+	case V4L2_MBUS_FMT_SBGGR10_1X10:
 		if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATC)
 			return -EINVAL;
 		break;
@@ -409,27 +413,39 @@ static int mt9v022_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
 	/* No support for scaling on this camera, just crop. */
 	ret = mt9v022_s_crop(sd, &a);
 	if (!ret) {
-		pix->width = mt9v022->rect.width;
-		pix->height = mt9v022->rect.height;
-		mt9v022->fourcc = pix->pixelformat;
+		mf->width	= mt9v022->rect.width;
+		mf->height	= mt9v022->rect.height;
+		mt9v022->fmt	= mt9v022_find_datafmt(mf->code,
+					mt9v022->fmts, mt9v022->num_fmts);
+		mf->colorspace	= mt9v022->fmt->colorspace;
 	}
 
 	return ret;
 }
 
-static int mt9v022_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9v022_try_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	int align = pix->pixelformat == V4L2_PIX_FMT_SBGGR8 ||
-		pix->pixelformat == V4L2_PIX_FMT_SBGGR16;
+	const struct mt9v022_datafmt *fmt;
+	int align = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+		mf->code == V4L2_MBUS_FMT_SBGGR10_1X10;
 
-	v4l_bound_align_image(&pix->width, MT9V022_MIN_WIDTH,
+	v4l_bound_align_image(&mf->width, MT9V022_MIN_WIDTH,
 		MT9V022_MAX_WIDTH, align,
-		&pix->height, MT9V022_MIN_HEIGHT + mt9v022->y_skip_top,
+		&mf->height, MT9V022_MIN_HEIGHT + mt9v022->y_skip_top,
 		MT9V022_MAX_HEIGHT + mt9v022->y_skip_top, align, 0);
 
+	fmt = mt9v022_find_datafmt(mf->code, mt9v022->fmts,
+				   mt9v022->num_fmts);
+	if (!fmt) {
+		fmt = mt9v022->fmt;
+		mf->code = fmt->code;
+	}
+
+	mf->colorspace	= fmt->colorspace;
+
 	return 0;
 }
 
@@ -749,17 +765,17 @@ static int mt9v022_video_probe(struct soc_camera_device *icd,
 			    !strcmp("color", sensor_type))) {
 		ret = reg_write(client, MT9V022_PIXEL_OPERATION_MODE, 4 | 0x11);
 		mt9v022->model = V4L2_IDENT_MT9V022IX7ATC;
-		icd->formats = mt9v022_colour_formats;
+		mt9v022->fmts = mt9v022_colour_fmts;
 	} else {
 		ret = reg_write(client, MT9V022_PIXEL_OPERATION_MODE, 0x11);
 		mt9v022->model = V4L2_IDENT_MT9V022IX7ATM;
-		icd->formats = mt9v022_monochrome_formats;
+		mt9v022->fmts = mt9v022_monochrome_fmts;
 	}
 
 	if (ret < 0)
 		goto ei2c;
 
-	icd->num_formats = 0;
+	mt9v022->num_fmts = 0;
 
 	/*
 	 * This is a 10bit sensor, so by default we only allow 10bit.
@@ -772,14 +788,14 @@ static int mt9v022_video_probe(struct soc_camera_device *icd,
 		flags = SOCAM_DATAWIDTH_10;
 
 	if (flags & SOCAM_DATAWIDTH_10)
-		icd->num_formats++;
+		mt9v022->num_fmts++;
 	else
-		icd->formats++;
+		mt9v022->fmts++;
 
 	if (flags & SOCAM_DATAWIDTH_8)
-		icd->num_formats++;
+		mt9v022->num_fmts++;
 
-	mt9v022->fourcc = icd->form