[media] move soc_camera i2c drivers into its own dir

Move all soc_camera i2c drivers into drivers/media/i2c/soc_camera/.

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

1 files changed, 0 insertions, 879 deletions

diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
deleted file mode 100644
index 72479247522a..000000000000
--- a/drivers/media/video/mt9v022.c
+++ /dev/null
@@ -1,879 +0,0 @@
-/*
- * Driver for MT9V022 CMOS Image Sensor from Micron
- *
- * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
- *
- * 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.
- */
-
-#include <linux/videodev2.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <linux/delay.h>
-#include <linux/log2.h>
-#include <linux/module.h>
-
-#include <media/soc_camera.h>
-#include <media/soc_mediabus.h>
-#include <media/v4l2-subdev.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-ctrls.h>
-
-/*
- * mt9v022 i2c address 0x48, 0x4c, 0x58, 0x5c
- * The platform has to define struct i2c_board_info objects and link to them
- * from struct soc_camera_link
- */
-
-static char *sensor_type;
-module_param(sensor_type, charp, S_IRUGO);
-MODULE_PARM_DESC(sensor_type, "Sensor type: \"colour\" or \"monochrome\"");
-
-/* mt9v022 selected register addresses */
-#define MT9V022_CHIP_VERSION		0x00
-#define MT9V022_COLUMN_START		0x01
-#define MT9V022_ROW_START		0x02
-#define MT9V022_WINDOW_HEIGHT		0x03
-#define MT9V022_WINDOW_WIDTH		0x04
-#define MT9V022_HORIZONTAL_BLANKING	0x05
-#define MT9V022_VERTICAL_BLANKING	0x06
-#define MT9V022_CHIP_CONTROL		0x07
-#define MT9V022_SHUTTER_WIDTH1		0x08
-#define MT9V022_SHUTTER_WIDTH2		0x09
-#define MT9V022_SHUTTER_WIDTH_CTRL	0x0a
-#define MT9V022_TOTAL_SHUTTER_WIDTH	0x0b
-#define MT9V022_RESET			0x0c
-#define MT9V022_READ_MODE		0x0d
-#define MT9V022_MONITOR_MODE		0x0e
-#define MT9V022_PIXEL_OPERATION_MODE	0x0f
-#define MT9V022_LED_OUT_CONTROL		0x1b
-#define MT9V022_ADC_MODE_CONTROL	0x1c
-#define MT9V022_ANALOG_GAIN		0x35
-#define MT9V022_BLACK_LEVEL_CALIB_CTRL	0x47
-#define MT9V022_PIXCLK_FV_LV		0x74
-#define MT9V022_DIGITAL_TEST_PATTERN	0x7f
-#define MT9V022_AEC_AGC_ENABLE		0xAF
-#define MT9V022_MAX_TOTAL_SHUTTER_WIDTH	0xBD
-
-/* Progressive scan, master, defaults */
-#define MT9V022_CHIP_CONTROL_DEFAULT	0x188
-
-#define MT9V022_MAX_WIDTH		752
-#define MT9V022_MAX_HEIGHT		480
-#define MT9V022_MIN_WIDTH		48
-#define MT9V022_MIN_HEIGHT		32
-#define MT9V022_COLUMN_SKIP		1
-#define MT9V022_ROW_SKIP		4
-
-/* 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
-	 */
-	{V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_COLORSPACE_SRGB},
-	{V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
-};
-
-static const struct mt9v022_datafmt mt9v022_monochrome_fmts[] = {
-	/* Order important - see above */
-	{V4L2_MBUS_FMT_Y10_1X10, V4L2_COLORSPACE_JPEG},
-	{V4L2_MBUS_FMT_Y8_1X8, V4L2_COLORSPACE_JPEG},
-};
-
-struct mt9v022 {
-	struct v4l2_subdev subdev;
-	struct v4l2_ctrl_handler hdl;
-	struct {
-		/* exposure/auto-exposure cluster */
-		struct v4l2_ctrl *autoexposure;
-		struct v4l2_ctrl *exposure;
-	};
-	struct {
-		/* gain/auto-gain cluster */
-		struct v4l2_ctrl *autogain;
-		struct v4l2_ctrl *gain;
-	};
-	struct v4l2_rect rect;	/* Sensor window */
-	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 */
-};
-
-static struct mt9v022 *to_mt9v022(const struct i2c_client *client)
-{
-	return container_of(i2c_get_clientdata(client), struct mt9v022, subdev);
-}
-
-static int reg_read(struct i2c_client *client, const u8 reg)
-{
-	return i2c_smbus_read_word_swapped(client, reg);
-}
-
-static int reg_write(struct i2c_client *client, const u8 reg,
-		     const u16 data)
-{
-	return i2c_smbus_write_word_swapped(client, reg, data);
-}
-
-static int reg_set(struct i2c_client *client, const u8 reg,
-		   const u16 data)
-{
-	int ret;
-
-	ret = reg_read(client, reg);
-	if (ret < 0)
-		return ret;
-	return reg_write(client, reg, ret | data);
-}
-
-static int reg_clear(struct i2c_client *client, const u8 reg,
-		     const u16 data)
-{
-	int ret;
-
-	ret = reg_read(client, reg);
-	if (ret < 0)
-		return ret;
-	return reg_write(client, reg, ret & ~data);
-}
-
-static int mt9v022_init(struct i2c_client *client)
-{
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	int ret;
-
-	/*
-	 * Almost the default mode: master, parallel, simultaneous, and an
-	 * undocumented bit 0x200, which is present in table 7, but not in 8,
-	 * plus snapshot mode to disable scan for now
-	 */
-	mt9v022->chip_control |= 0x10;
-	ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
-	if (!ret)
-		ret = reg_write(client, MT9V022_READ_MODE, 0x300);
-
-	/* All defaults */
-	if (!ret)
-		/* AEC, AGC on */
-		ret = reg_set(client, MT9V022_AEC_AGC_ENABLE, 0x3);
-	if (!ret)
-		ret = reg_write(client, MT9V022_ANALOG_GAIN, 16);
-	if (!ret)
-		ret = reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH, 480);
-	if (!ret)
-		ret = reg_write(client, MT9V022_MAX_TOTAL_SHUTTER_WIDTH, 480);
-	if (!ret)
-		/* default - auto */
-		ret = reg_clear(client, MT9V022_BLACK_LEVEL_CALIB_CTRL, 1);
-	if (!ret)
-		ret = reg_write(client, MT9V022_DIGITAL_TEST_PATTERN, 0);
-	if (!ret)
-		return v4l2_ctrl_handler_setup(&mt9v022->hdl);
-
-	return ret;
-}
-
-static int mt9v022_s_stream(struct v4l2_subdev *sd, int enable)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-
-	if (enable)
-		/* Switch to master "normal" mode */
-		mt9v022->chip_control &= ~0x10;
-	else
-		/* Switch to snapshot mode */
-		mt9v022->chip_control |= 0x10;
-
-	if (reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control) < 0)
-		return -EIO;
-	return 0;
-}
-
-static int mt9v022_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct v4l2_rect rect = a->c;
-	int ret;
-
-	/* Bayer format - even size lengths */
-	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 */
-	}
-
-	soc_camera_limit_side(&rect.left, &rect.width,
-		     MT9V022_COLUMN_SKIP, MT9V022_MIN_WIDTH, MT9V022_MAX_WIDTH);
-
-	soc_camera_limit_side(&rect.top, &rect.height,
-		     MT9V022_ROW_SKIP, MT9V022_MIN_HEIGHT, MT9V022_MAX_HEIGHT);
-
-	/* Like in example app. Contradicts the datasheet though */
-	ret = reg_read(client, MT9V022_AEC_AGC_ENABLE);
-	if (ret >= 0) {
-		if (ret & 1) /* Autoexposure */
-			ret = reg_write(client, MT9V022_MAX_TOTAL_SHUTTER_WIDTH,
-					rect.height + mt9v022->y_skip_top + 43);
-		else
-			ret = reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH,
-					rect.height + mt9v022->y_skip_top + 43);
-	}
-	/* Setup frame format: defaults apart from width and height */
-	if (!ret)
-		ret = reg_write(client, MT9V022_COLUMN_START, rect.left);
-	if (!ret)
-		ret = reg_write(client, MT9V022_ROW_START, rect.top);
-	if (!ret)
-		/*
-		 * Default 94, Phytec driver says:
-		 * "width + horizontal blank >= 660"
-		 */
-		ret = reg_write(client, MT9V022_HORIZONTAL_BLANKING,
-				rect.width > 660 - 43 ? 43 :
-				660 - rect.width);
-	if (!ret)
-		ret = reg_write(client, MT9V022_VERTICAL_BLANKING, 45);
-	if (!ret)
-		ret = reg_write(client, MT9V022_WINDOW_WIDTH, rect.width);
-	if (!ret)
-		ret = reg_write(client, MT9V022_WINDOW_HEIGHT,
-				rect.height + mt9v022->y_skip_top);
-
-	if (ret < 0)
-		return ret;
-
-	dev_dbg(&client->dev, "Frame %dx%d pixel\n", rect.width, rect.height);
-
-	mt9v022->rect = rect;
-
-	return 0;
-}
-
-static int mt9v022_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-
-	a->c	= mt9v022->rect;
-	a->type	= V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-	return 0;
-}
-
-static int mt9v022_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
-{
-	a->bounds.left			= MT9V022_COLUMN_SKIP;
-	a->bounds.top			= MT9V022_ROW_SKIP;
-	a->bounds.width			= MT9V022_MAX_WIDTH;
-	a->bounds.height		= MT9V022_MAX_HEIGHT;
-	a->defrect			= a->bounds;
-	a->type				= V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	a->pixelaspect.numerator	= 1;
-	a->pixelaspect.denominator	= 1;
-
-	return 0;
-}
-
-static int mt9v022_g_fmt(struct v4l2_subdev *sd,
-			 struct v4l2_mbus_framefmt *mf)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-
-	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_mbus_framefmt *mf)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct v4l2_crop a = {
-		.c = {
-			.left	= mt9v022->rect.left,
-			.top	= mt9v022->rect.top,
-			.width	= mf->width,
-			.height	= mf->height,
-		},
-	};
-	int ret;
-
-	/*
-	 * The caller provides a supported format, as verified per call to
-	 * .try_mbus_fmt(), datawidth is from our supported format list
-	 */
-	switch (mf->code) {
-	case V4L2_MBUS_FMT_Y8_1X8:
-	case V4L2_MBUS_FMT_Y10_1X10:
-		if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATM)
-			return -EINVAL;
-		break;
-	case V4L2_MBUS_FMT_SBGGR8_1X8:
-	case V4L2_MBUS_FMT_SBGGR10_1X10:
-		if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATC)
-			return -EINVAL;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	/* No support for scaling on this camera, just crop. */
-	ret = mt9v022_s_crop(sd, &a);
-	if (!ret) {
-		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_mbus_framefmt *mf)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	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(&mf->width, MT9V022_MIN_WIDTH,
-		MT9V022_MAX_WIDTH, align,
-		&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;
-}
-
-static int mt9v022_g_chip_ident(struct v4l2_subdev *sd,
-				struct v4l2_dbg_chip_ident *id)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-
-	if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
-		return -EINVAL;
-
-	if (id->match.addr != client->addr)
-		return -ENODEV;
-
-	id->ident	= mt9v022->model;
-	id->revision	= 0;
-
-	return 0;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int mt9v022_g_register(struct v4l2_subdev *sd,
-			      struct v4l2_dbg_register *reg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0xff)
-		return -EINVAL;
-
-	if (reg->match.addr != client->addr)
-		return -ENODEV;
-
-	reg->size = 2;
-	reg->val = reg_read(client, reg->reg);
-
-	if (reg->val > 0xffff)
-		return -EIO;
-
-	return 0;
-}
-
-static int mt9v022_s_register(struct v4l2_subdev *sd,
-			      struct v4l2_dbg_register *reg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0xff)
-		return -EINVAL;
-
-	if (reg->match.addr != client->addr)
-		return -ENODEV;
-
-	if (reg_write(client, reg->reg, reg->val) < 0)
-		return -EIO;
-
-	return 0;
-}
-#endif
-
-static int mt9v022_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct mt9v022 *mt9v022 = container_of(ctrl->handler,
-					       struct mt9v022, hdl);
-	struct v4l2_subdev *sd = &mt9v022->subdev;
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct v4l2_ctrl *gain = mt9v022->gain;
-	struct v4l2_ctrl *exp = mt9v022->exposure;
-	unsigned long range;
-	int data;
-
-	switch (ctrl->id) {
-	case V4L2_CID_AUTOGAIN:
-		data = reg_read(client, MT9V022_ANALOG_GAIN);
-		if (data < 0)
-			return -EIO;
-
-		range = gain->maximum - gain->minimum;
-		gain->val = ((data - 16) * range + 24) / 48 + gain->minimum;
-		return 0;
-	case V4L2_CID_EXPOSURE_AUTO:
-		data = reg_read(client, MT9V022_TOTAL_SHUTTER_WIDTH);
-		if (data < 0)
-			return -EIO;
-
-		range = exp->maximum - exp->minimum;
-		exp->val = ((data - 1) * range + 239) / 479 + exp->minimum;
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static int mt9v022_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct mt9v022 *mt9v022 = container_of(ctrl->handler,
-					       struct mt9v022, hdl);
-	struct v4l2_subdev *sd = &mt9v022->subdev;
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	int data;
-
-	switch (ctrl->id) {
-	case V4L2_CID_VFLIP:
-		if (ctrl->val)
-			data = reg_set(client, MT9V022_READ_MODE, 0x10);
-		else
-			data = reg_clear(client, MT9V022_READ_MODE, 0x10);
-		if (data < 0)
-			return -EIO;
-		return 0;
-	case V4L2_CID_HFLIP:
-		if (ctrl->val)
-			data = reg_set(client, MT9V022_READ_MODE, 0x20);
-		else
-			data = reg_clear(client, MT9V022_READ_MODE, 0x20);
-		if (data < 0)
-			return -EIO;
-		return 0;
-	case V4L2_CID_AUTOGAIN:
-		if (ctrl->val) {
-			if (reg_set(client, MT9V022_AEC_AGC_ENABLE, 0x2) < 0)
-				return -EIO;
-		} else {
-			struct v4l2_ctrl *gain = mt9v022->gain;
-			/* mt9v022 has minimum == default */
-			unsigned long range = gain->maximum - gain->minimum;
-			/* Valid values 16 to 64, 32 to 64 must be even. */
-			unsigned long gain_val = ((gain->val - gain->minimum) *
-					      48 + range / 2) / range + 16;
-
-			if (gain_val >= 32)
-				gain_val &= ~1;
-
-			/*
-			 * The user wants to set gain manually, hope, she
-			 * knows, what she's doing... Switch AGC off.
-			 */
-			if (reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x2) < 0)
-				return -EIO;
-
-			dev_dbg(&client->dev, "Setting gain from %d to %lu\n",
-				reg_read(client, MT9V022_ANALOG_GAIN), gain_val);
-			if (reg_write(client, MT9V022_ANALOG_GAIN, gain_val) < 0)
-				return -EIO;
-		}
-		return 0;
-	case V4L2_CID_EXPOSURE_AUTO:
-		if (ctrl->val == V4L2_EXPOSURE_AUTO) {
-			data = reg_set(client, MT9V022_AEC_AGC_ENABLE, 0x1);
-		} else {
-			struct v4l2_ctrl *exp = mt9v022->exposure;
-			unsigned long range = exp->maximum - exp->minimum;
-			unsigned long shutter = ((exp->val - exp->minimum) *
-					479 + range / 2) / range + 1;
-
-			/*
-			 * The user wants to set shutter width manually, hope,
-			 * she knows, what she's doing... Switch AEC off.
-			 */
-			data = reg_clear(client, MT9V022_AEC_AGC_ENABLE, 0x1);
-			if (data < 0)
-				return -EIO;
-			dev_dbg(&client->dev, "Shutter width from %d to %lu\n",
-					reg_read(client, MT9V022_TOTAL_SHUTTER_WIDTH),
-					shutter);
-			if (reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH,
-						shutter) < 0)
-				return -EIO;
-		}
-		return 0;
-	}
-	return -EINVAL;
-}
-
-/*
- * Interface active, can use i2c. If it fails, it can indeed mean, that
- * this wasn't our capture interface, so, we wait for the right one
- */
-static int mt9v022_video_probe(struct i2c_client *client)
-{
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
-	s32 data;
-	int ret;
-	unsigned long flags;
-
-	/* Read out the chip version register */
-	data = reg_read(client, MT9V022_CHIP_VERSION);
-
-	/* must be 0x1311 or 0x1313 */
-	if (data != 0x1311 && data != 0x1313) {
-		ret = -ENODEV;
-		dev_info(&client->dev, "No MT9V022 found, ID register 0x%x\n",
-			 data);
-		goto ei2c;
-	}
-
-	/* Soft reset */
-	ret = reg_write(client, MT9V022_RESET, 1);
-	if (ret < 0)
-		goto ei2c;
-	/* 15 clock cycles */
-	udelay(200);
-	if (reg_read(client, MT9V022_RESET)) {
-		dev_err(&client->dev, "Resetting MT9V022 failed!\n");
-		if (ret > 0)
-			ret = -EIO;
-		goto ei2c;
-	}
-
-	/* Set monochrome or colour sensor type */
-	if (sensor_type && (!strcmp("colour", sensor_type) ||
-			    !strcmp("color", sensor_type))) {
-		ret = reg_write(client, MT9V022_PIXEL_OPERATION_MODE, 4 | 0x11);
-		mt9v022->model = V4L2_IDENT_MT9V022IX7ATC;
-		mt9v022->fmts = mt9v022_colour_fmts;
-	} else {
-		ret = reg_write(client, MT9V022_PIXEL_OPERATION_MODE, 0x11);
-		mt9v022->model = V4L2_IDENT_MT9V022IX7ATM;
-		mt9v022->fmts = mt9v022_monochrome_fmts;
-	}
-
-	if (ret < 0)
-		goto ei2c;
-
-	mt9v022->num_fmts = 0;
-
-	/*
-	 * This is a 10bit sensor, so by default we only allow 10bit.
-	 * The platform may support different bus widths due to
-	 * different routing of the data lines.
-	 */
-	if (icl->query_bus_param)
-		flags = icl->query_bus_param(icl);
-	else
-		flags = SOCAM_DATAWIDTH_10;
-
-	if (flags & SOCAM_DATAWIDTH_10)
-		mt9v022->num_fmts++;
-	else
-		mt9v022->fmts++;
-
-	if (flags & SOCAM_DATAWIDTH_8)
-		mt9v022->num_fmts++;
-
-	mt9v022->fmt = &mt9v022->fmts[0];
-
-	dev_info(&client->dev, "Detected a MT9V022 chip ID %x, %s sensor\n",
-		 data, mt9v022->model == V4L2_IDENT_MT9V022IX7ATM ?
-		 "monochrome" : "colour");
-
-	ret = mt9v022_init(client);
-	if (ret < 0)
-		dev_err(&client->dev, "Failed to initialise the camera\n");
-
-ei2c:
-	return ret;
-}
-
-static int mt9v022_g_skip_top_lines(struct v4l2_subdev *sd, u32 *lines)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-
-	*lines = mt9v022->y_skip_top;
-
-	return 0;
-}
-
-static const struct v4l2_ctrl_ops mt9v022_ctrl_ops = {
-	.g_volatile_ctrl = mt9v022_g_volatile_ctrl,
-	.s_ctrl = mt9v022_s_ctrl,
-};
-
-static struct v4l2_subdev_core_ops mt9v022_subdev_core_ops = {
-	.g_chip_ident	= mt9v022_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.g_register	= mt9v022_g_register,
-	.s_register	= mt9v022_s_register,
-#endif
-};
-
-static int mt9v022_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
-			    enum v4l2_mbus_pixelcode *code)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-
-	if (index >= mt9v022->num_fmts)
-		return -EINVAL;
-
-	*code = mt9v022->fmts[index].code;
-	return 0;
-}
-
-static int mt9v022_g_mbus_config(struct v4l2_subdev *sd,
-				struct v4l2_mbus_config *cfg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
-
-	cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_SLAVE |
-		V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING |
-		V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW |
-		V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW |
-		V4L2_MBUS_DATA_ACTIVE_HIGH;
-	cfg->type = V4L2_MBUS_PARALLEL;
-	cfg->flags = soc_camera_apply_board_flags(icl, cfg);
-
-	return 0;
-}
-
-static int mt9v022_s_mbus_config(struct v4l2_subdev *sd,
-				 const struct v4l2_mbus_config *cfg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	unsigned long flags = soc_camera_apply_board_flags(icl, cfg);
-	unsigned int bps = soc_mbus_get_fmtdesc(mt9v022->fmt->code)->bits_per_sample;
-	int ret;
-	u16 pixclk = 0;
-
-	if (icl->set_bus_param) {
-		ret = icl->set_bus_param(icl, 1 << (bps - 1));
-		if (ret)
-			return ret;
-	} else if (bps != 10) {
-		/*
-		 * Without board specific bus width settings we only support the
-		 * sensors native bus width
-		 */
-		return -EINVAL;
-	}
-
-	if (flags & V4L2_MBUS_PCLK_SAMPLE_FALLING)
-		pixclk |= 0x10;
-
-	if (!(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH))
-		pixclk |= 0x1;
-
-	if (!(flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH))
-		pixclk |= 0x2;
-
-	ret = reg_write(client, MT9V022_PIXCLK_FV_LV, pixclk);
-	if (ret < 0)
-		return ret;
-
-	if (!(flags & V4L2_MBUS_MASTER))
-		mt9v022->chip_control &= ~0x8;
-
-	ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
-	if (ret < 0)
-		return ret;
-
-	dev_dbg(&client->dev, "Calculated pixclk 0x%x, chip control 0x%x\n",
-		pixclk, mt9v022->chip_control);
-
-	return 0;
-}
-
-static struct v4l2_subdev_video_ops mt9v022_subdev_video_ops = {
-	.s_stream	= mt9v022_s_stream,
-	.s_mbus_fmt	= mt9v022_s_fmt,
-	.g_mbus_fmt	= mt9v022_g_fmt,
-	.try_mbus_fmt	= mt9v022_try_fmt,
-	.s_crop		= mt9v022_s_crop,
-	.g_crop		= mt9v022_g_crop,
-	.cropcap	= mt9v022_cropcap,
-	.enum_mbus_fmt	= mt9v022_enum_fmt,
-	.g_mbus_config	= mt9v022_g_mbus_config,
-	.s_mbus_config	= mt9v022_s_mbus_config,
-};
-
-static struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = {
-	.g_skip_top_lines	= mt9v022_g_skip_top_lines,
-};
-
-static struct v4l2_subdev_ops mt9v022_subdev_ops = {
-	.core	= &mt9v022_subdev_core_ops,
-	.video	= &mt9v022_subdev_video_ops,
-	.sensor	= &mt9v022_subdev_sensor_ops,
-};
-
-static int mt9v022_probe(struct i2c_client *client,
-			 const struct i2c_device_id *did)
-{
-	struct mt9v022 *mt9v022;
-	struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
-	struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-	int ret;
-
-	if (!icl) {
-		dev_err(&client->dev, "MT9V022 driver needs platform data\n");
-		return -EINVAL;
-	}
-
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
-		dev_warn(&adapter->dev,
-			 "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
-		return -EIO;
-	}
-
-	mt9v022 = kzalloc(sizeof(struct mt9v022), GFP_KERNEL);
-	if (!mt9v022)
-		return -ENOMEM;
-
-	v4l2_i2c_subdev_init(&mt9v022->subdev, client, &mt9v022_subdev_ops);
-	v4l2_ctrl_handler_init(&mt9v022->hdl, 6);
-	v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops,
-			V4L2_CID_VFLIP, 0, 1, 1, 0);
-	v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops,
-			V4L2_CID_HFLIP, 0, 1, 1, 0);
-	mt9v022->autogain = v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops,
-			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
-	mt9v022->gain = v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops,
-			V4L2_CID_GAIN, 0, 127, 1, 64);
-
-	/*
-	 * Simulated autoexposure. If enabled, we calculate shutter width
-	 * ourselves in the driver based on vertical blanking and frame width
-	 */
-	mt9v022->autoexposure = v4l2_ctrl_new_std_menu(&mt9v022->hdl,
-			&mt9v022_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0,
-			V4L2_EXPOSURE_AUTO);
-	mt9v022->exposure = v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops,
-			V4L2_CID_EXPOSURE, 1, 255, 1, 255);
-
-	mt9v022->subdev.ctrl_handler = &mt9v022->hdl;
-	if (mt9v022->hdl.error) {
-		int err = mt9v022->hdl.error;
-
-		kfree(mt9v022);
-		return err;
-	}
-	v4l2_ctrl_auto_cluster(2, &mt9v022->autoexposure,
-				V4L2_EXPOSURE_MANUAL, true);
-	v4l2_ctrl_auto_cluster(2, &mt9v022->autogain, 0, true);
-
-	mt9v022->chip_control = MT9V022_CHIP_CONTROL_DEFAULT;
-
-	/*
-	 * MT9V022 _really_ corrupts the first read out line.
-	 * TODO: verify on i.MX31
-	 */
-	mt9v022->y_skip_top	= 1;
-	mt9v022->rect.left	= MT9V022_COLUMN_SKIP;
-	mt9v022->rect.top	= MT9V022_ROW_SKIP;
-	mt9v022->rect.width	= MT9V022_MAX_WIDTH;
-	mt9v022->rect.height	= MT9V022_MAX_HEIGHT;
-
-	ret = mt9v022_video_probe(client);
-	if (ret) {
-		v4l2_ctrl_handler_free(&mt9v022->hdl);
-		kfree(mt9v022);
-	}
-
-	return ret;
-}
-
-static int mt9v022_remove(struct i2c_client *client)
-{
-	struct mt9v022 *mt9v022 = to_mt9v022(client);
-	struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
-
-	v4l2_device_unregister_subdev(&mt9v022->subdev);
-	if (icl->free_bus)
-		icl->free_bus(icl);
-	v4l2_ctrl_handler_free(&mt9v022->hdl);
-	kfree(mt9v022);
-
-	return 0;
-}
-static const struct i2c_device_id mt9v022_id[] = {
-	{ "mt9v022", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, mt9v022_id);
-
-static struct i2c_driver mt9v022_i2c_driver = {
-	.driver = {
-		.name = "mt9v022",
-	},
-	.probe		= mt9v022_probe,
-	.remove		= mt9v022_remove,
-	.id_table	= mt9v022_id,
-};
-
-module_i2c_driver(mt9v022_i2c_driver);
-
-MODULE_DESCRIPTION("Micron MT9V022 Camera driver");
-MODULE_AUTHOR("Guennadi Liakhovetski <kernel@pengutronix.de>");
-MODULE_LICENSE("GPL");