media: soc_tw9910: remove obsolete sensor driver

This driver got converted to not depend on soc_camera in commit
7b20f325a566 ("media: i2c: tw9910: Remove soc_camera dependencies").

There's no sense in keeping the old version there.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

3 files changed, 0 insertions, 1006 deletions

diff --git a/drivers/media/i2c/soc_camera/Kconfig b/drivers/media/i2c/soc_camera/Kconfig
index 62a6562f4f0c..dea66ef1394d 100644
--- a/drivers/media/i2c/soc_camera/Kconfig
+++ b/drivers/media/i2c/soc_camera/Kconfig
@@ -40,9 +40,3 @@ config SOC_CAMERA_RJ54N1
 	depends on SOC_CAMERA && I2C
 	help
 	  This is a rj54n1cb0c video driver
-
-config SOC_CAMERA_TW9910
-	tristate "tw9910 support"
-	depends on SOC_CAMERA && I2C
-	help
-	  This is a tw9910 video driver
diff --git a/drivers/media/i2c/soc_camera/Makefile b/drivers/media/i2c/soc_camera/Makefile
index 1e82912c5b05..94659f7aa195 100644
--- a/drivers/media/i2c/soc_camera/Makefile
+++ b/drivers/media/i2c/soc_camera/Makefile
@@ -4,4 +4,3 @@ obj-$(CONFIG_SOC_CAMERA_MT9V022)	+= soc_mt9v022.o
 obj-$(CONFIG_SOC_CAMERA_OV5642)		+= soc_ov5642.o
 obj-$(CONFIG_SOC_CAMERA_OV9740)		+= soc_ov9740.o
 obj-$(CONFIG_SOC_CAMERA_RJ54N1)		+= soc_rj54n1cb0c.o
-obj-$(CONFIG_SOC_CAMERA_TW9910)		+= soc_tw9910.o
diff --git a/drivers/media/i2c/soc_camera/soc_tw9910.c b/drivers/media/i2c/soc_camera/soc_tw9910.c
deleted file mode 100644
index bdb5e0a431e9..000000000000
--- a/drivers/media/i2c/soc_camera/soc_tw9910.c
+++ /dev/null
@@ -1,999 +0,0 @@
-/*
- * tw9910 Video Driver
- *
- * Copyright (C) 2008 Renesas Solutions Corp.
- * Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * Based on ov772x driver,
- *
- * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
- * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
- * Copyright (C) 2008 Magnus Damm
- * 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/init.h>
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/v4l2-mediabus.h>
-#include <linux/videodev2.h>
-
-#include <media/soc_camera.h>
-#include <media/i2c/tw9910.h>
-#include <media/v4l2-clk.h>
-#include <media/v4l2-subdev.h>
-
-#define GET_ID(val)  ((val & 0xF8) >> 3)
-#define GET_REV(val) (val & 0x07)
-
-/*
- * register offset
- */
-#define ID		0x00 /* Product ID Code Register */
-#define STATUS1		0x01 /* Chip Status Register I */
-#define INFORM		0x02 /* Input Format */
-#define OPFORM		0x03 /* Output Format Control Register */
-#define DLYCTR		0x04 /* Hysteresis and HSYNC Delay Control */
-#define OUTCTR1		0x05 /* Output Control I */
-#define ACNTL1		0x06 /* Analog Control Register 1 */
-#define CROP_HI		0x07 /* Cropping Register, High */
-#define VDELAY_LO	0x08 /* Vertical Delay Register, Low */
-#define VACTIVE_LO	0x09 /* Vertical Active Register, Low */
-#define HDELAY_LO	0x0A /* Horizontal Delay Register, Low */
-#define HACTIVE_LO	0x0B /* Horizontal Active Register, Low */
-#define CNTRL1		0x0C /* Control Register I */
-#define VSCALE_LO	0x0D /* Vertical Scaling Register, Low */
-#define SCALE_HI	0x0E /* Scaling Register, High */
-#define HSCALE_LO	0x0F /* Horizontal Scaling Register, Low */
-#define BRIGHT		0x10 /* BRIGHTNESS Control Register */
-#define CONTRAST	0x11 /* CONTRAST Control Register */
-#define SHARPNESS	0x12 /* SHARPNESS Control Register I */
-#define SAT_U		0x13 /* Chroma (U) Gain Register */
-#define SAT_V		0x14 /* Chroma (V) Gain Register */
-#define HUE		0x15 /* Hue Control Register */
-#define CORING1		0x17
-#define CORING2		0x18 /* Coring and IF compensation */
-#define VBICNTL		0x19 /* VBI Control Register */
-#define ACNTL2		0x1A /* Analog Control 2 */
-#define OUTCTR2		0x1B /* Output Control 2 */
-#define SDT		0x1C /* Standard Selection */
-#define SDTR		0x1D /* Standard Recognition */
-#define TEST		0x1F /* Test Control Register */
-#define CLMPG		0x20 /* Clamping Gain */
-#define IAGC		0x21 /* Individual AGC Gain */
-#define AGCGAIN		0x22 /* AGC Gain */
-#define PEAKWT		0x23 /* White Peak Threshold */
-#define CLMPL		0x24 /* Clamp level */
-#define SYNCT		0x25 /* Sync Amplitude */
-#define MISSCNT		0x26 /* Sync Miss Count Register */
-#define PCLAMP		0x27 /* Clamp Position Register */
-#define VCNTL1		0x28 /* Vertical Control I */
-#define VCNTL2		0x29 /* Vertical Control II */
-#define CKILL		0x2A /* Color Killer Level Control */
-#define COMB		0x2B /* Comb Filter Control */
-#define LDLY		0x2C /* Luma Delay and H Filter Control */
-#define MISC1		0x2D /* Miscellaneous Control I */
-#define LOOP		0x2E /* LOOP Control Register */
-#define MISC2		0x2F /* Miscellaneous Control II */
-#define MVSN		0x30 /* Macrovision Detection */
-#define STATUS2		0x31 /* Chip STATUS II */
-#define HFREF		0x32 /* H monitor */
-#define CLMD		0x33 /* CLAMP MODE */
-#define IDCNTL		0x34 /* ID Detection Control */
-#define CLCNTL1		0x35 /* Clamp Control I */
-#define ANAPLLCTL	0x4C
-#define VBIMIN		0x4D
-#define HSLOWCTL	0x4E
-#define WSS3		0x4F
-#define FILLDATA	0x50
-#define SDID		0x51
-#define DID		0x52
-#define WSS1		0x53
-#define WSS2		0x54
-#define VVBI		0x55
-#define LCTL6		0x56
-#define LCTL7		0x57
-#define LCTL8		0x58
-#define LCTL9		0x59
-#define LCTL10		0x5A
-#define LCTL11		0x5B
-#define LCTL12		0x5C
-#define LCTL13		0x5D
-#define LCTL14		0x5E
-#define LCTL15		0x5F
-#define LCTL16		0x60
-#define LCTL17		0x61
-#define LCTL18		0x62
-#define LCTL19		0x63
-#define LCTL20		0x64
-#define LCTL21		0x65
-#define LCTL22		0x66
-#define LCTL23		0x67
-#define LCTL24		0x68
-#define LCTL25		0x69
-#define LCTL26		0x6A
-#define HSBEGIN		0x6B
-#define HSEND		0x6C
-#define OVSDLY		0x6D
-#define OVSEND		0x6E
-#define VBIDELAY	0x6F
-
-/*
- * register detail
- */
-
-/* INFORM */
-#define FC27_ON     0x40 /* 1 : Input crystal clock frequency is 27MHz */
-#define FC27_FF     0x00 /* 0 : Square pixel mode. */
-			 /*     Must use 24.54MHz for 60Hz field rate */
-			 /*     source or 29.5MHz for 50Hz field rate */
-#define IFSEL_S     0x10 /* 01 : S-video decoding */
-#define IFSEL_C     0x00 /* 00 : Composite video decoding */
-			 /* Y input video selection */
-#define YSEL_M0     0x00 /*  00 : Mux0 selected */
-#define YSEL_M1     0x04 /*  01 : Mux1 selected */
-#define YSEL_M2     0x08 /*  10 : Mux2 selected */
-#define YSEL_M3     0x10 /*  11 : Mux3 selected */
-
-/* OPFORM */
-#define MODE        0x80 /* 0 : CCIR601 compatible YCrCb 4:2:2 format */
-			 /* 1 : ITU-R-656 compatible data sequence format */
-#define LEN         0x40 /* 0 : 8-bit YCrCb 4:2:2 output format */
-			 /* 1 : 16-bit YCrCb 4:2:2 output format.*/
-#define LLCMODE     0x20 /* 1 : LLC output mode. */
-			 /* 0 : free-run output mode */
-#define AINC        0x10 /* Serial interface auto-indexing control */
-			 /* 0 : auto-increment */
-			 /* 1 : non-auto */
-#define VSCTL       0x08 /* 1 : Vertical out ctrl by DVALID */
-			 /* 0 : Vertical out ctrl by HACTIVE and DVALID */
-#define OEN_TRI_SEL_MASK	0x07
-#define OEN_TRI_SEL_ALL_ON	0x00 /* Enable output for Rev0/Rev1 */
-#define OEN_TRI_SEL_ALL_OFF_r0	0x06 /* All tri-stated for Rev0 */
-#define OEN_TRI_SEL_ALL_OFF_r1	0x07 /* All tri-stated for Rev1 */
-
-/* OUTCTR1 */
-#define VSP_LO      0x00 /* 0 : VS pin output polarity is active low */
-#define VSP_HI      0x80 /* 1 : VS pin output polarity is active high. */
-			 /* VS pin output control */
-#define VSSL_VSYNC  0x00 /*   0 : VSYNC  */
-#define VSSL_VACT   0x10 /*   1 : VACT   */
-#define VSSL_FIELD  0x20 /*   2 : FIELD  */
-#define VSSL_VVALID 0x30 /*   3 : VVALID */
-#define VSSL_ZERO   0x70 /*   7 : 0      */
-#define HSP_LOW     0x00 /* 0 : HS pin output polarity is active low */
-#define HSP_HI      0x08 /* 1 : HS pin output polarity is active high.*/
-			 /* HS pin output control */
-#define HSSL_HACT   0x00 /*   0 : HACT   */
-#define HSSL_HSYNC  0x01 /*   1 : HSYNC  */
-#define HSSL_DVALID 0x02 /*   2 : DVALID */
-#define HSSL_HLOCK  0x03 /*   3 : HLOCK  */
-#define HSSL_ASYNCW 0x04 /*   4 : ASYNCW */
-#define HSSL_ZERO   0x07 /*   7 : 0      */
-
-/* ACNTL1 */
-#define SRESET      0x80 /* resets the device to its default state
-			  * but all register content remain unchanged.
-			  * This bit is self-resetting.
-			  */
-#define ACNTL1_PDN_MASK	0x0e
-#define CLK_PDN		0x08 /* system clock power down */
-#define Y_PDN		0x04 /* Luma ADC power down */
-#define C_PDN		0x02 /* Chroma ADC power down */
-
-/* ACNTL2 */
-#define ACNTL2_PDN_MASK	0x40
-#define PLL_PDN		0x40 /* PLL power down */
-
-/* VBICNTL */
-
-/* RTSEL : control the real time signal output from the MPOUT pin */
-#define RTSEL_MASK  0x07
-#define RTSEL_VLOSS 0x00 /* 0000 = Video loss */
-#define RTSEL_HLOCK 0x01 /* 0001 = H-lock */
-#define RTSEL_SLOCK 0x02 /* 0010 = S-lock */
-#define RTSEL_VLOCK 0x03 /* 0011 = V-lock */
-#define RTSEL_MONO  0x04 /* 0100 = MONO */
-#define RTSEL_DET50 0x05 /* 0101 = DET50 */
-#define RTSEL_FIELD 0x06 /* 0110 = FIELD */
-#define RTSEL_RTCO  0x07 /* 0111 = RTCO ( Real Time Control ) */
-
-/* HSYNC start and end are constant for now */
-#define HSYNC_START	0x0260
-#define HSYNC_END	0x0300
-
-/*
- * structure
- */
-
-struct regval_list {
-	unsigned char reg_num;
-	unsigned char value;
-};
-
-struct tw9910_scale_ctrl {
-	char           *name;
-	unsigned short  width;
-	unsigned short  height;
-	u16             hscale;
-	u16             vscale;
-};
-
-struct tw9910_priv {
-	struct v4l2_subdev		subdev;
-	struct v4l2_clk			*clk;
-	struct tw9910_video_info	*info;
-	const struct tw9910_scale_ctrl	*scale;
-	v4l2_std_id			norm;
-	u32				revision;
-};
-
-static const struct tw9910_scale_ctrl tw9910_ntsc_scales[] = {
-	{
-		.name   = "NTSC SQ",
-		.width  = 640,
-		.height = 480,
-		.hscale = 0x0100,
-		.vscale = 0x0100,
-	},
-	{
-		.name   = "NTSC CCIR601",
-		.width  = 720,
-		.height = 480,
-		.hscale = 0x0100,
-		.vscale = 0x0100,
-	},
-	{
-		.name   = "NTSC SQ (CIF)",
-		.width  = 320,
-		.height = 240,
-		.hscale = 0x0200,
-		.vscale = 0x0200,
-	},
-	{
-		.name   = "NTSC CCIR601 (CIF)",
-		.width  = 360,
-		.height = 240,
-		.hscale = 0x0200,
-		.vscale = 0x0200,
-	},
-	{
-		.name   = "NTSC SQ (QCIF)",
-		.width  = 160,
-		.height = 120,
-		.hscale = 0x0400,
-		.vscale = 0x0400,
-	},
-	{
-		.name   = "NTSC CCIR601 (QCIF)",
-		.width  = 180,
-		.height = 120,
-		.hscale = 0x0400,
-		.vscale = 0x0400,
-	},
-};
-
-static const struct tw9910_scale_ctrl tw9910_pal_scales[] = {
-	{
-		.name   = "PAL SQ",
-		.width  = 768,
-		.height = 576,
-		.hscale = 0x0100,
-		.vscale = 0x0100,
-	},
-	{
-		.name   = "PAL CCIR601",
-		.width  = 720,
-		.height = 576,
-		.hscale = 0x0100,
-		.vscale = 0x0100,
-	},
-	{
-		.name   = "PAL SQ (CIF)",
-		.width  = 384,
-		.height = 288,
-		.hscale = 0x0200,
-		.vscale = 0x0200,
-	},
-	{
-		.name   = "PAL CCIR601 (CIF)",
-		.width  = 360,
-		.height = 288,
-		.hscale = 0x0200,
-		.vscale = 0x0200,
-	},
-	{
-		.name   = "PAL SQ (QCIF)",
-		.width  = 192,
-		.height = 144,
-		.hscale = 0x0400,
-		.vscale = 0x0400,
-	},
-	{
-		.name   = "PAL CCIR601 (QCIF)",
-		.width  = 180,
-		.height = 144,
-		.hscale = 0x0400,
-		.vscale = 0x0400,
-	},
-};
-
-/*
- * general function
- */
-static struct tw9910_priv *to_tw9910(const struct i2c_client *client)
-{
-	return container_of(i2c_get_clientdata(client), struct tw9910_priv,
-			    subdev);
-}
-
-static int tw9910_mask_set(struct i2c_client *client, u8 command,
-			   u8 mask, u8 set)
-{
-	s32 val = i2c_smbus_read_byte_data(client, command);
-	if (val < 0)
-		return val;
-
-	val &= ~mask;
-	val |= set & mask;
-
-	return i2c_smbus_write_byte_data(client, command, val);
-}
-
-static int tw9910_set_scale(struct i2c_client *client,
-			    const struct tw9910_scale_ctrl *scale)
-{
-	int ret;
-
-	ret = i2c_smbus_write_byte_data(client, SCALE_HI,
-					(scale->vscale & 0x0F00) >> 4 |
-					(scale->hscale & 0x0F00) >> 8);
-	if (ret < 0)
-		return ret;
-
-	ret = i2c_smbus_write_byte_data(client, HSCALE_LO,
-					scale->hscale & 0x00FF);
-	if (ret < 0)
-		return ret;
-
-	ret = i2c_smbus_write_byte_data(client, VSCALE_LO,
-					scale->vscale & 0x00FF);
-
-	return ret;
-}
-
-static int tw9910_set_hsync(struct i2c_client *client)
-{
-	struct tw9910_priv *priv = to_tw9910(client);
-	int ret;
-
-	/* bit 10 - 3 */
-	ret = i2c_smbus_write_byte_data(client, HSBEGIN,
-					(HSYNC_START & 0x07F8) >> 3);
-	if (ret < 0)
-		return ret;
-
-	/* bit 10 - 3 */
-	ret = i2c_smbus_write_byte_data(client, HSEND,
-					(HSYNC_END & 0x07F8) >> 3);
-	if (ret < 0)
-		return ret;
-
-	/* So far only revisions 0 and 1 have been seen */
-	/* bit 2 - 0 */
-	if (1 == priv->revision)
-		ret = tw9910_mask_set(client, HSLOWCTL, 0x77,
-				      (HSYNC_START & 0x0007) << 4 |
-				      (HSYNC_END   & 0x0007));
-
-	return ret;
-}
-
-static void tw9910_reset(struct i2c_client *client)
-{
-	tw9910_mask_set(client, ACNTL1, SRESET, SRESET);
-	msleep(1);
-}
-
-static int tw9910_power(struct i2c_client *client, int enable)
-{
-	int ret;
-	u8 acntl1;
-	u8 acntl2;
-
-	if (enable) {
-		acntl1 = 0;
-		acntl2 = 0;
-	} else {
-		acntl1 = CLK_PDN | Y_PDN | C_PDN;
-		acntl2 = PLL_PDN;
-	}
-
-	ret = tw9910_mask_set(client, ACNTL1, ACNTL1_PDN_MASK, acntl1);
-	if (ret < 0)
-		return ret;
-
-	return tw9910_mask_set(client, ACNTL2, ACNTL2_PDN_MASK, acntl2);
-}
-
-static const struct tw9910_scale_ctrl *tw9910_select_norm(v4l2_std_id norm,
-							  u32 width, u32 height)
-{
-	const struct tw9910_scale_ctrl *scale;
-	const struct tw9910_scale_ctrl *ret = NULL;
-	__u32 diff = 0xffffffff, tmp;
-	int size, i;
-
-	if (norm & V4L2_STD_NTSC) {
-		scale = tw9910_ntsc_scales;
-		size = ARRAY_SIZE(tw9910_ntsc_scales);
-	} else if (norm & V4L2_STD_PAL) {
-		scale = tw9910_pal_scales;
-		size = ARRAY_SIZE(tw9910_pal_scales);
-	} else {
-		return NULL;
-	}
-
-	for (i = 0; i < size; i++) {
-		tmp = abs(width - scale[i].width) +
-			abs(height - scale[i].height);
-		if (tmp < diff) {
-			diff = tmp;
-			ret = scale + i;
-		}
-	}
-
-	return ret;
-}
-
-/*
- * subdevice operations
- */
-static int tw9910_s_stream(struct v4l2_subdev *sd, int enable)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-	u8 val;
-	int ret;
-
-	if (!enable) {
-		switch (priv->revision) {
-		case 0:
-			val = OEN_TRI_SEL_ALL_OFF_r0;
-			break;
-		case 1:
-			val = OEN_TRI_SEL_ALL_OFF_r1;
-			break;
-		default:
-			dev_err(&client->dev, "un-supported revision\n");
-			return -EINVAL;
-		}
-	} else {
-		val = OEN_TRI_SEL_ALL_ON;
-
-		if (!priv->scale) {
-			dev_err(&client->dev, "norm select error\n");
-			return -EPERM;
-		}
-
-		dev_dbg(&client->dev, "%s %dx%d\n",
-			priv->scale->name,
-			priv->scale->width,
-			priv->scale->height);
-	}
-
-	ret = tw9910_mask_set(client, OPFORM, OEN_TRI_SEL_MASK, val);
-	if (ret < 0)
-		return ret;
-
-	return tw9910_power(client, enable);
-}
-
-static int tw9910_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-
-	*norm = priv->norm;
-
-	return 0;
-}
-
-static int tw9910_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-	const unsigned hact = 720;
-	const unsigned hdelay = 15;
-	unsigned vact;
-	unsigned vdelay;
-	int ret;
-
-	if (!(norm & (V4L2_STD_NTSC | V4L2_STD_PAL)))
-		return -EINVAL;
-
-	priv->norm = norm;
-	if (norm & V4L2_STD_525_60) {
-		vact = 240;
-		vdelay = 18;
-		ret = tw9910_mask_set(client, VVBI, 0x10, 0x10);
-	} else {
-		vact = 288;
-		vdelay = 24;
-		ret = tw9910_mask_set(client, VVBI, 0x10, 0x00);
-	}
-	if (!ret)
-		ret = i2c_smbus_write_byte_data(client, CROP_HI,
-			((vdelay >> 2) & 0xc0) |
-			((vact >> 4) & 0x30) |
-			((hdelay >> 6) & 0x0c) |
-			((hact >> 8) & 0x03));
-	if (!ret)
-		ret = i2c_smbus_write_byte_data(client, VDELAY_LO,
-			vdelay & 0xff);
-	if (!ret)
-		ret = i2c_smbus_write_byte_data(client, VACTIVE_LO,
-			vact & 0xff);
-
-	return ret;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int tw9910_g_register(struct v4l2_subdev *sd,
-			     struct v4l2_dbg_register *reg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	int ret;
-
-	if (reg->reg > 0xff)
-		return -EINVAL;
-
-	reg->size = 1;
-	ret = i2c_smbus_read_byte_data(client, reg->reg);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * ret      = int
-	 * reg->val = __u64
-	 */
-	reg->val = (__u64)ret;
-
-	return 0;
-}
-
-static int tw9910_s_register(struct v4l2_subdev *sd,
-			     const struct v4l2_dbg_register *reg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (reg->reg > 0xff ||
-	    reg->val > 0xff)
-		return -EINVAL;
-
-	return i2c_smbus_write_byte_data(client, reg->reg, reg->val);
-}
-#endif
-
-static int tw9910_s_power(struct v4l2_subdev *sd, int on)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
-	struct tw9910_priv *priv = to_tw9910(client);
-
-	return soc_camera_set_power(&client->dev, ssdd, priv->clk, on);
-}
-
-static int tw9910_set_frame(struct v4l2_subdev *sd, u32 *width, u32 *height)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-	int ret = -EINVAL;
-	u8 val;
-
-	/*
-	 * select suitable norm
-	 */
-	priv->scale = tw9910_select_norm(priv->norm, *width, *height);
-	if (!priv->scale)
-		goto tw9910_set_fmt_error;
-
-	/*
-	 * reset hardware
-	 */
-	tw9910_reset(client);
-
-	/*
-	 * set bus width
-	 */
-	val = 0x00;
-	if (SOCAM_DATAWIDTH_16 == priv->info->buswidth)
-		val = LEN;
-
-	ret = tw9910_mask_set(client, OPFORM, LEN, val);
-	if (ret < 0)
-		goto tw9910_set_fmt_error;
-
-	/*
-	 * select MPOUT behavior
-	 */
-	switch (priv->info->mpout) {
-	case TW9910_MPO_VLOSS:
-		val = RTSEL_VLOSS; break;
-	case TW9910_MPO_HLOCK:
-		val = RTSEL_HLOCK; break;
-	case TW9910_MPO_SLOCK:
-		val = RTSEL_SLOCK; break;
-	case TW9910_MPO_VLOCK:
-		val = RTSEL_VLOCK; break;
-	case TW9910_MPO_MONO:
-		val = RTSEL_MONO;  break;
-	case TW9910_MPO_DET50:
-		val = RTSEL_DET50; break;
-	case TW9910_MPO_FIELD:
-		val = RTSEL_FIELD; break;
-	case TW9910_MPO_RTCO:
-		val = RTSEL_RTCO;  break;
-	default:
-		val = 0;
-	}
-
-	ret = tw9910_mask_set(client, VBICNTL, RTSEL_MASK, val);
-	if (ret < 0)
-		goto tw9910_set_fmt_error;
-
-	/*
-	 * set scale
-	 */
-	ret = tw9910_set_scale(client, priv->scale);
-	if (ret < 0)
-		goto tw9910_set_fmt_error;
-
-	/*
-	 * set hsync
-	 */
-	ret = tw9910_set_hsync(client);
-	if (ret < 0)
-		goto tw9910_set_fmt_error;
-
-	*width = priv->scale->width;
-	*height = priv->scale->height;
-
-	return ret;
-
-tw9910_set_fmt_error:
-
-	tw9910_reset(client);
-	priv->scale = NULL;
-
-	return ret;
-}
-
-static int tw9910_get_selection(struct v4l2_subdev *sd,
-		struct v4l2_subdev_pad_config *cfg,
-		struct v4l2_subdev_selection *sel)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-
-	if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-		return -EINVAL;
-	/* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported */
-	if (sel->target > V4L2_SEL_TGT_CROP_BOUNDS)
-		return -EINVAL;
-
-	sel->r.left	= 0;
-	sel->r.top	= 0;
-	if (priv->norm & V4L2_STD_NTSC) {
-		sel->r.width	= 640;
-		sel->r.height	= 480;
-	} else {
-		sel->r.width	= 768;
-		sel->r.height	= 576;
-	}
-	return 0;
-}
-
-static int tw9910_get_fmt(struct v4l2_subdev *sd,
-		struct v4l2_subdev_pad_config *cfg,
-		struct v4l2_subdev_format *format)
-{
-	struct v4l2_mbus_framefmt *mf = &format->format;
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-
-	if (format->pad)
-		return -EINVAL;
-
-	if (!priv->scale) {
-		priv->scale = tw9910_select_norm(priv->norm, 640, 480);
-		if (!priv->scale)
-			return -EINVAL;
-	}
-
-	mf->width	= priv->scale->width;
-	mf->height	= priv->scale->height;
-	mf->code	= MEDIA_BUS_FMT_UYVY8_2X8;
-	mf->colorspace	= V4L2_COLORSPACE_SMPTE170M;
-	mf->field	= V4L2_FIELD_INTERLACED_BT;
-
-	return 0;
-}
-
-static int tw9910_s_fmt(struct v4l2_subdev *sd,
-			struct v4l2_mbus_framefmt *mf)
-{
-	u32 width = mf->width, height = mf->height;
-	int ret;
-
-	WARN_ON(mf->field != V4L2_FIELD_ANY &&
-		mf->field != V4L2_FIELD_INTERLACED_BT);
-
-	/*
-	 * check color format
-	 */
-	if (mf->code != MEDIA_BUS_FMT_UYVY8_2X8)
-		return -EINVAL;
-
-	mf->colorspace = V4L2_COLORSPACE_SMPTE170M;
-
-	ret = tw9910_set_frame(sd, &width, &height);
-	if (!ret) {
-		mf->width	= width;
-		mf->height	= height;
-	}
-	return ret;
-}
-
-static int tw9910_set_fmt(struct v4l2_subdev *sd,
-		struct v4l2_subdev_pad_config *cfg,
-		struct v4l2_subdev_format *format)
-{
-	struct v4l2_mbus_framefmt *mf = &format->format;
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct tw9910_priv *priv = to_tw9910(client);
-	const struct tw9910_scale_ctrl *scale;
-
-	if (format->pad)
-		return -EINVAL;
-
-	if (V4L2_FIELD_ANY == mf->field) {
-		mf->field = V4L2_FIELD_INTERLACED_BT;
-	} else if (V4L2_FIELD_INTERLACED_BT != mf->field) {
-		dev_err(&client->dev, "Field type %d invalid.\n", mf->field);
-		return -EINVAL;
-	}
-
-	mf->code = MEDIA_BUS_FMT_UYVY8_2X8;
-	mf->colorspace = V4L2_COLORSPACE_SMPTE170M;
-
-	/*
-	 * select suitable norm
-	 */
-	scale = tw9910_select_norm(priv->norm, mf->width, mf->height);
-	if (!scale)
-		return -EINVAL;
-
-	mf->width	= scale->width;
-	mf->height	= scale->height;
-
-	if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
-		return tw9910_s_fmt(sd, mf);
-	cfg->try_fmt = *mf;
-	return 0;
-}
-
-static int tw9910_video_probe(struct i2c_client *client)
-{
-	struct tw9910_priv *priv = to_tw9910(client);
-	s32 id;
-	int ret;
-
-	/*
-	 * tw9910 only use 8 or 16 bit bus width
-	 */
-	if (SOCAM_DATAWIDTH_16 != priv->info->buswidth &&
-	    SOCAM_DATAWIDTH_8  != priv->info->buswidth) {
-		dev_err(&client->dev, "bus width error\n");
-		return -ENODEV;
-	}
-
-	ret = tw9910_s_power(&priv->subdev, 1);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * check and show Product ID
-	 * So far only revisions 0 and 1 have been seen
-	 */
-	id = i2c_smbus_read_byte_data(client, ID);
-	priv->revision = GET_REV(id);
-	id = GET_ID(id);
-
-	if (0x0B != id ||
-	    0x01 < priv->revision) {
-		dev_err(&client->dev,
-			"Product ID error %x:%x\n",
-			id, priv->revision);
-		ret = -ENODEV;
-		goto done;
-	}
-
-	dev_info(&client->dev,
-		 "tw9910 Product ID %0x:%0x\n", id, priv->revision);
-
-	priv->norm = V4L2_STD_NTSC;
-	priv->scale = &tw9910_ntsc_scales[0];
-
-done:
-	tw9910_s_power(&priv->subdev, 0);
-	return ret;
-}
-
-static const struct v4l2_subdev_core_ops tw9910_subdev_core_ops = {
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.g_register	= tw9910_g_register,
-	.s_register	= tw9910_s_register,
-#endif
-	.s_power	= tw9910_s_power,
-};
-
-static int tw9910_enum_mbus_code(struct v4l2_subdev *sd,
-		struct v4l2_subdev_pad_config *cfg,
-		struct v4l2_subdev_mbus_code_enum *code)
-{
-	if (code->pad || code->index)
-		return -EINVAL;
-
-	code->code = MEDIA_BUS_FMT_UYVY8_2X8;
-	return 0;
-}
-
-static int tw9910_g_mbus_config(struct v4l2_subdev *sd,
-				struct v4l2_mbus_config *cfg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
-
-	cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
-		V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW |
-		V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW |
-		V4L2_MBUS_DATA_ACTIVE_HIGH;
-	cfg->type = V4L2_MBUS_PARALLEL;
-	cfg->flags = soc_camera_apply_board_flags(ssdd, cfg);
-
-	return 0;
-}
-
-static int tw9910_s_mbus_config(struct v4l2_subdev *sd,
-				const struct v4l2_mbus_config *cfg)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
-	u8 val = VSSL_VVALID | HSSL_DVALID;
-	unsigned long flags = soc_camera_apply_board_flags(ssdd, cfg);
-
-	/*
-	 * set OUTCTR1
-	 *
-	 * We use VVALID and DVALID signals to control VSYNC and HSYNC
-	 * outputs, in this mode their polarity is inverted.
-	 */
-	if (flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
-		val |= HSP_HI;
-
-	if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
-		val |= VSP_HI;
-
-	return i2c_smbus_write_byte_data(client, OUTCTR1, val);
-}
-
-static int tw9910_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
-{
-	*norm = V4L2_STD_NTSC | V4L2_STD_PAL;
-	return 0;
-}
-
-static const struct v4l2_subdev_video_ops tw9910_subdev_video_ops = {
-	.s_std		= tw9910_s_std,
-	.g_std		= tw9910_g_std,
-	.s_stream	= tw9910_s_stream,
-	.g_mbus_config	= tw9910_g_mbus_config,
-	.s_mbus_config	= tw9910_s_mbus_config,
-	.g_tvnorms	= tw9910_g_tvnorms,
-};
-
-static const struct v4l2_subdev_pad_ops tw9910_subdev_pad_ops = {
-	.enum_mbus_code = tw9910_enum_mbus_code,
-	.get_selection	= tw9910_get_selection,
-	.get_fmt	= tw9910_get_fmt,
-	.set_fmt	= tw9910_set_fmt,
-};
-
-static const struct v4l2_subdev_ops tw9910_subdev_ops = {
-	.core	= &tw9910_subdev_core_ops,
-	.video	= &tw9910_subdev_video_ops,
-	.pad	= &tw9910_subdev_pad_ops,
-};
-
-/*
- * i2c_driver function
- */
-
-static int tw9910_probe(struct i2c_client *client,
-			const struct i2c_device_id *did)
-
-{
-	struct tw9910_priv		*priv;
-	struct tw9910_video_info	*info;
-	struct i2c_adapter		*adapter =
-		to_i2c_adapter(client->dev.parent);
-	struct soc_camera_subdev_desc	*ssdd = soc_camera_i2c_to_desc(client);
-	int ret;
-
-	if (!ssdd || !ssdd->drv_priv) {
-		dev_err(&client->dev, "TW9910: missing platform data!\n");
-		return -EINVAL;
-	}
-
-	info = ssdd->drv_priv;
-
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
-		dev_err(&client->dev,
-			"I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE_DATA\n");
-		return -EIO;
-	}
-
-	priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-
-	priv->info   = info;
-
-	v4l2_i2c_subdev_init(&priv->subdev, client, &tw9910_subdev_ops);
-
-	priv->clk = v4l2_clk_get(&client->dev, "mclk");
-	if (IS_ERR(priv->clk))
-		return PTR_ERR(priv->clk);
-
-	ret = tw9910_video_probe(client);
-	if (ret < 0)
-		v4l2_clk_put(priv->clk);
-
-	return ret;
-}
-
-static int tw9910_remove(struct i2c_client *client)
-{
-	struct tw9910_priv *priv = to_tw9910(client);
-	v4l2_clk_put(priv->clk);
-	return 0;
-}
-
-static const struct i2c_device_id tw9910_id[] = {
-	{ "tw9910", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, tw9910_id);
-
-static struct i2c_driver tw9910_i2c_driver = {
-	.driver = {
-		.name = "tw9910",
-	},
-	.probe    = tw9910_probe,
-	.remove   = tw9910_remove,
-	.id_table = tw9910_id,
-};
-
-module_i2c_driver(tw9910_i2c_driver);
-
-MODULE_DESCRIPTION("SoC Camera driver for tw9910");
-MODULE_AUTHOR("Kuninori Morimoto");
-MODULE_LICENSE("GPL v2");