/*
 *		Sonix sn9c102p sn9c105 sn9c120 (jpeg) library
 *		Copyright (C) 2005 Michel Xhaard mxhaard@magic.fr
 *
 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#define MODULE_NAME "sonixj"

#include "gspca.h"
#include "jpeg.h"

#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(2, 1, 3)
static const char version[] = "2.1.3";

MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SONIX JPEG USB Camera Driver");
MODULE_LICENSE("GPL");

/* specific webcam descriptor */
struct sd {
	struct gspca_dev gspca_dev;	/* !! must be the first item */

	int avg_lum;
	unsigned int exposure;

	unsigned short brightness;
	unsigned char contrast;
	unsigned char colors;
	unsigned char autogain;

	signed char ag_cnt;
#define AG_CNT_START 13

	char qindex;
	char sensor;			/* Type of image sensor chip */
#define SENSOR_HV7131R 0
#define SENSOR_MI0360 1
#define SENSOR_MO4000 2
#define SENSOR_OV7648 3
#define SENSOR_OV7660 4
	unsigned char customid;
#define SN9C102P 0
#define SN9C105 1
#define SN9C110 2
#define SN9C120 3
#define SN9C325 4
	unsigned char i2c_base;
	unsigned char i2c_ctrl_reg;
};

/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);

static struct ctrl sd_ctrls[] = {
#define SD_BRIGHTNESS 0
	{
	    {
		.id      = V4L2_CID_BRIGHTNESS,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Brightness",
		.minimum = 0,
		.maximum = 0xffff,
		.step    = 1,
		.default_value = 0x7fff,
	    },
	    .set = sd_setbrightness,
	    .get = sd_getbrightness,
	},
#define SD_CONTRAST 1
	{
	    {
		.id      = V4L2_CID_CONTRAST,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Contrast",
		.minimum = 0,
		.maximum = 127,
		.step    = 1,
		.default_value = 63,
	    },
	    .set = sd_setcontrast,
	    .get = sd_getcontrast,
	},
#define SD_COLOR 2
	{
	    {
		.id      = V4L2_CID_SATURATION,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Color",
		.minimum = 0,
		.maximum = 255,
		.step    = 1,
		.default_value = 127,
	    },
	    .set = sd_setcolors,
	    .get = sd_getcolors,
	},
#define SD_AUTOGAIN 3
	{
	    {
		.id      = V4L2_CID_AUTOGAIN,
		.type    = V4L2_CTRL_TYPE_BOOLEAN,
		.name    = "Auto Gain",
		.minimum = 0,
		.maximum = 1,
		.step    = 1,
		.default_value = 1,
	    },
	    .set = sd_setautogain,
	    .get = sd_getautogain,
	},
};

static struct cam_mode vga_mode[] = {
	{V4L2_PIX_FMT_JPEG, 160, 120, 2},
	{V4L2_PIX_FMT_JPEG, 320, 240, 1},
	{V4L2_PIX_FMT_JPEG, 640, 480, 0},
};

/*Data from sn9c102p+hv71331r */
static __u8 sn_hv7131[] = {
	0x00, 0x03, 0x64, 0x00, 0x1A, 0x20, 0x20, 0x20, 0xA1, 0x11,
/*	reg0  reg1  reg2  reg3  reg4  reg5  reg6  reg7  reg8  reg9 */
	0x02, 0x09, 0x00, 0x00, 0x00, 0x10, 0x03, 0x00,		/* 00 */
/*	rega  regb  regc  regd  rege  regf  reg10 reg11 */
	0x00, 0x01, 0x03, 0x28, 0x1e, 0x41, 0x0a, 0x00, 0x00, 0x00,
/*	reg12 reg13 reg14 reg15 reg16 reg17 reg18 reg19 reg1a reg1b */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
/*	reg1c reg1d reg1e reg1f reg20 reg21 reg22 reg23 */
};

static __u8 sn_mi0360[] = {
	0x00, 0x61, 0x44, 0x00, 0x1a, 0x20, 0x20, 0x20, 0xb1, 0x5d,
/*	reg0  reg1  reg2  reg3  reg4  reg5  reg6  reg7  reg8  reg9 */
	0x07, 0x00, 0x00, 0x00, 0x00, 0x10, 0x03, 0x00,
/*	rega  regb  regc  regd  rege  regf  reg10 reg11 */
	0x00, 0x02, 0x0a, 0x28, 0x1e, 0x61, 0x06, 0x00, 0x00, 0x00,
/*	reg12 reg13 reg14 reg15 reg16 reg17 reg18 reg19 reg1a reg1b */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
/*	reg1c reg1d reg1e reg1f reg20 reg21 reg22 reg23 */
};

static __u8 sn_mo4000[] = {
	0x12,	0x23,	0x60,	0x00,	0x1A,	0x00,	0x20,	0x18,	0x81,
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7	reg8 */
	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x03,	0x00,
/*	reg9	rega	regb	regc	regd	rege	regf	reg10	reg11*/
	0x0b,	0x0f,	0x14,	0x28,	0x1e,	0x40,	0x08,	0x00,	0x00,
/*	reg12	reg13	reg14	reg15	reg16	reg17	reg18	reg19	reg1a*/
	0x00,	0x00,	0x00,	0x00,	0x00,	0x08,	0x25,	0x39,	0x4b,
/*	reg1b	reg1c	reg1d	reg1e	reg1f	reg20	reg21	reg22	reg23*/
	0x5c,	0x6b,	0x79,	0x87,	0x95,	0xa2,	0xaf,	0xbb,	0xc7,
	0xd3,	0xdf,	0xea,	0xf5
};

static __u8 sn_ov7648[] = {
	0x00, 0x21, 0x62, 0x00, 0x1a, 0x20, 0x20, 0x20, 0xA1, 0x6E, 0x18, 0x65,
	0x00, 0x00, 0x00, 0x10, 0x03, 0x00, 0x00, 0x06, 0x06, 0x28, 0x1E, 0x82,
	0x07, 0x00, 0x00, 0x00, 0x00, 0x00
};

static __u8 sn_ov7660[]	= {
/*	reg0	reg1	reg2	reg3	reg4	reg5	reg6	reg7	reg8 */
	0x00,	0x61,	0x40,	0x00,	0x1a,	0x00,	0x00,	0x00,	0x81,
/* 	reg9	rega	regb	regc	regd	rege	regf	reg10	reg11*/
	0x21,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x03,	0x00,
/*	reg12	reg13	reg14	reg15	reg16	reg17	reg18	reg19	reg1a*/
	0x01,	0x01,	0x08,	0x28,	0x1e,	0x20,	0x07,	0x00,	0x00,
/*	reg1b	reg1c	reg1d	reg1e	reg1f	reg20	reg21	reg22	reg23*/
	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00
};

/* sequence specific to the sensors - !! index = SENSOR_xxx */
static __u8 *sn_tb[] = {
	sn_hv7131,
	sn_mi0360,
	sn_mo4000,
	sn_ov7648,
	sn_ov7660
};

static __u8 regsn20[] = {
	0x00, 0x2d, 0x46, 0x5a, 0x6c, 0x7c, 0x8b, 0x99,
	0xa6, 0xb2, 0xbf, 0xca, 0xd5, 0xe0, 0xeb, 0xf5, 0xff
};
static __u8 regsn20_sn9c325[] = {
	0x0a, 0x3a, 0x56, 0x6c, 0x7e, 0x8d, 0x9a, 0xa4,
	0xaf, 0xbb, 0xc5, 0xcd, 0xd5, 0xde, 0xe8, 0xed, 0xf5
};

static __u8 reg84[] = {
	0x14, 0x00, 0x27, 0x00, 0x07, 0x00, 0xe5, 0x0f,
	0xe4, 0x0f, 0x38, 0x00, 0x3e, 0x00, 0xc3, 0x0f,
/*	0x00, 0x00, 0x00, 0x00, 0x00 */
	0xf7, 0x0f, 0x0a, 0x00, 0x00
};
static __u8 reg84_sn9c325[] = {
	0x14, 0x00, 0x27, 0x00, 0x07, 0x00, 0xe4, 0x0f,
	0xd3, 0x0f, 0x4b, 0x00, 0x48, 0x00, 0xc0, 0x0f,
	0xf8, 0x0f, 0x00, 0x00, 0x00
};

static __u8 hv7131r_sensor_init[][8] = {
	{0xC1, 0x11, 0x01, 0x08, 0x01, 0x00, 0x00, 0x10},
	{0xB1, 0x11, 0x34, 0x17, 0x7F, 0x00, 0x00, 0x10},
	{0xD1, 0x11, 0x40, 0xFF, 0x7F, 0x7F, 0x7F, 0x10},
	{0x91, 0x11, 0x44, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x11, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x11, 0x14, 0x01, 0xE2, 0x02, 0x82, 0x10},
	{0x91, 0x11, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10},

	{0xA1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xC1, 0x11, 0x25, 0x00, 0x61, 0xA8, 0x00, 0x10},
	{0xA1, 0x11, 0x30, 0x22, 0x00, 0x00, 0x00, 0x10},
	{0xC1, 0x11, 0x31, 0x20, 0x2E, 0x20, 0x00, 0x10},
	{0xC1, 0x11, 0x25, 0x00, 0xC3, 0x50, 0x00, 0x10},
	{0xA1, 0x11, 0x30, 0x07, 0x00, 0x00, 0x00, 0x10}, /* gain14 */
	{0xC1, 0x11, 0x31, 0x10, 0x10, 0x10, 0x00, 0x10}, /* r g b 101a10 */

	{0xA1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x21, 0xD0, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x23, 0x09, 0x00, 0x00, 0x00, 0x10},

	{0xA1, 0x11, 0x01, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x21, 0xD0, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x11, 0x23, 0x10, 0x00, 0x00, 0x00, 0x10},
	{0, 0, 0, 0, 0, 0, 0, 0}
};
static __u8 mi0360_sensor_init[][8] = {
	{0xB1, 0x5D, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x0D, 0x00, 0x01, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x0D, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x01, 0x00, 0x08, 0x00, 0x16, 0x10},
	{0xD1, 0x5D, 0x03, 0x01, 0xE2, 0x02, 0x82, 0x10},
	{0xD1, 0x5D, 0x05, 0x00, 0x09, 0x00, 0x53, 0x10},
	{0xB1, 0x5D, 0x0D, 0x00, 0x02, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x12, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x14, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x16, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x32, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x20, 0x91, 0x01, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x22, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x24, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x26, 0x00, 0x00, 0x00, 0x24, 0x10},
	{0xD1, 0x5D, 0x2F, 0xF7, 0xB0, 0x00, 0x04, 0x10},
	{0xD1, 0x5D, 0x31, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x33, 0x00, 0x00, 0x01, 0x00, 0x10},
	{0xB1, 0x5D, 0x3D, 0x06, 0x8F, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x40, 0x01, 0xE0, 0x00, 0xD1, 0x10},
	{0xB1, 0x5D, 0x44, 0x00, 0x82, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x58, 0x00, 0x78, 0x00, 0x43, 0x10},
	{0xD1, 0x5D, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x5C, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x5E, 0x00, 0x00, 0xA3, 0x1D, 0x10},
	{0xB1, 0x5D, 0x62, 0x04, 0x11, 0x00, 0x00, 0x10},

	{0xB1, 0x5D, 0x20, 0x91, 0x01, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x20, 0x11, 0x01, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x09, 0x00, 0x64, 0x00, 0x00, 0x10},
	{0xD1, 0x5D, 0x2B, 0x00, 0xA0, 0x00, 0xB0, 0x10},
	{0xD1, 0x5D, 0x2D, 0x00, 0xA0, 0x00, 0xA0, 0x10},

	{0xB1, 0x5D, 0x0A, 0x00, 0x02, 0x00, 0x00, 0x10}, /* sensor clck ?2 */
	{0xB1, 0x5D, 0x06, 0x00, 0x30, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x05, 0x00, 0x0A, 0x00, 0x00, 0x10},
	{0xB1, 0x5D, 0x09, 0x02, 0x35, 0x00, 0x00, 0x10}, /* exposure 2 */

	{0xD1, 0x5D, 0x2B, 0x00, 0xB9, 0x00, 0xE3, 0x10},
	{0xD1, 0x5D, 0x2D, 0x00, 0x5f, 0x00, 0xB9, 0x10}, /* 42 */
/*	{0xB1, 0x5D, 0x35, 0x00, 0x67, 0x00, 0x00, 0x10}, * gain orig */
/*	{0xB1, 0x5D, 0x35, 0x00, 0x20, 0x00, 0x00, 0x10}, * gain */
	{0xB1, 0x5D, 0x07, 0x00, 0x03, 0x00, 0x00, 0x10}, /* update */
	{0xB1, 0x5D, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10}, /* sensor on */
	{0, 0, 0, 0, 0, 0, 0, 0}
};
static __u8 mo4000_sensor_init[][8] = {
	{0xa1, 0x21, 0x01, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x02, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x04, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x05, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x05, 0x04, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x06, 0x80, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x06, 0x81, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x30, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x38, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x38, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x12, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x0f, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x11, 0x38, 0x00, 0x00, 0x00, 0x10},
	{0, 0, 0, 0, 0, 0, 0, 0}
};
static __u8 ov7660_sensor_init[][8] = {
	{0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, /* reset SCCB */
	{0xa1, 0x21, 0x12, 0x05, 0x00, 0x00, 0x00, 0x10},
						/* Outformat ?? rawRGB */
	{0xa1, 0x21, 0x13, 0xb8, 0x00, 0x00, 0x00, 0x10}, /* init COM8 */
/*	{0xd1, 0x21, 0x00, 0x01, 0x74, 0x92, 0x00, 0x10},
						 * GAIN BLUE RED VREF */
	{0xd1, 0x21, 0x00, 0x01, 0x74, 0x74, 0x00, 0x10},
						/* GAIN BLUE RED VREF */
	{0xd1, 0x21, 0x04, 0x00, 0x7d, 0x62, 0x00, 0x10},
						/* COM 1 BAVE GEAVE AECHH */
	{0xb1, 0x21, 0x08, 0x83, 0x01, 0x00, 0x00, 0x10}, /* RAVE COM2 */
	{0xd1, 0x21, 0x0c, 0x00, 0x08, 0x04, 0x4f, 0x10}, /* COM 3 4 5 6 */
/*	{0xd1, 0x21, 0x10, 0x7f, 0x40, 0x05, 0xf8, 0x10},
						 * AECH CLKRC COM7 COM8 */
	{0xd1, 0x21, 0x10, 0x7f, 0x40, 0x05, 0xff, 0x10},
						/* AECH CLKRC COM7 COM8 */
	{0xc1, 0x21, 0x14, 0x2c, 0x00, 0x02, 0x00, 0x10}, /* COM9 COM10 */
	{0xd1, 0x21, 0x17, 0x10, 0x60, 0x02, 0x7b, 0x10},
						/* HSTART HSTOP VSTRT VSTOP */
	{0xa1, 0x21, 0x1b, 0x02, 0x00, 0x00, 0x00, 0x10}, /* PSHFT */
	{0xb1, 0x21, 0x1e, 0x01, 0x0e, 0x00, 0x00, 0x10}, /* MVFP LAEC */
	{0xd1, 0x21, 0x20, 0x07, 0x07, 0x07, 0x07, 0x10},
					/* BOS GBOS GROS ROS (BGGR offset) */
/*	{0xd1, 0x21, 0x24, 0x68, 0x58, 0xd4, 0x80, 0x10},
						 * AEW AEB VPT BBIAS */
	{0xd1, 0x21, 0x24, 0x78, 0x68, 0xd4, 0x80, 0x10},
						/* AEW AEB VPT BBIAS */
	{0xd1, 0x21, 0x28, 0x80, 0x30, 0x00, 0x00, 0x10},
						/* GbBIAS RSVD EXHCH EXHCL */
	{0xd1, 0x21, 0x2c, 0x80, 0x00, 0x00, 0x62, 0x10},
						/* RBIAS ADVFL ASDVFH YAVE */
	{0xc1, 0x21, 0x30, 0x08, 0x30, 0xb4, 0x00, 0x10},
						/* HSYST HSYEN HREF */
	{0xd1, 0x21, 0x33, 0x00, 0x07, 0x84, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x37, 0x0c, 0x02, 0x43, 0x00, 0x10},
						/* ADC ACOM OFON TSLB */
	{0xd1, 0x21, 0x3b, 0x02, 0x6c, 0x19, 0x0e, 0x10},
						/* COM11 COM12 COM13 COM14 */
	{0xd1, 0x21, 0x3f, 0x41, 0xc1, 0x22, 0x08, 0x10},
						/* EDGE COM15 COM16 COM17 */
	{0xd1, 0x21, 0x43, 0xf0, 0x10, 0x78, 0xa8, 0x10}, /* reserved */
	{0xd1, 0x21, 0x47, 0x60, 0x80, 0x00, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x4b, 0x00, 0x00, 0x00, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x4f, 0x46, 0x36, 0x0f, 0x17, 0x10}, /* MTX 1 2 3 4 */
	{0xd1, 0x21, 0x53, 0x7f, 0x96, 0x40, 0x40, 0x10}, /* MTX 5 6 7 8 */
	{0xb1, 0x21, 0x57, 0x40, 0x0f, 0x00, 0x00, 0x10}, /* MTX9 MTXS */
	{0xd1, 0x21, 0x59, 0xba, 0x9a, 0x22, 0xb9, 0x10}, /* reserved */
	{0xd1, 0x21, 0x5d, 0x9b, 0x10, 0xf0, 0x05, 0x10}, /* reserved */
	{0xa1, 0x21, 0x61, 0x60, 0x00, 0x00, 0x00, 0x10}, /* reserved */
	{0xd1, 0x21, 0x62, 0x00, 0x00, 0x50, 0x30, 0x10},
						/* LCC1 LCC2 LCC3 LCC4 */
	{0xa1, 0x21, 0x66, 0x00, 0x00, 0x00, 0x00, 0x10}, /* LCC5 */
	{0xd1, 0x21, 0x67, 0x80, 0x7a, 0x90, 0x80, 0x10},
	{0xa1, 0x21, 0x6b, 0x0a, 0x00, 0x00, 0x00, 0x10},
					/* band gap reference [0..3] DBLV */
	{0xd1, 0x21, 0x6c, 0x30, 0x48, 0x80, 0x74, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x70, 0x64, 0x60, 0x5c, 0x58, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x74, 0x54, 0x4c, 0x40, 0x38, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x78, 0x34, 0x30, 0x2f, 0x2b, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x7c, 0x03, 0x07, 0x17, 0x34, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x80, 0x41, 0x4d, 0x58, 0x63, 0x10}, /* gamma curve */
	{0xd1, 0x21, 0x84, 0x6e, 0x77, 0x87, 0x95, 0x10}, /* gamma curve */
	{0xc1, 0x21, 0x88, 0xaf, 0xc7, 0xdf, 0x00, 0x10}, /* gamma curve */
	{0xc1, 0x21, 0x8b, 0x99, 0x99, 0xcf, 0x00, 0x10}, /* reserved */
	{0xb1, 0x21, 0x92, 0x00, 0x00, 0x00, 0x00, 0x10},
/****** (some exchanges in the win trace) ******/
	{0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10},
						/* bits[3..0]reserved */
	{0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
						/* VREF vertical frame ctrl */
	{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10}, /* 0x20 */
	{0xa1, 0x21, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x10},
/*	{0xb1, 0x21, 0x01, 0x78, 0x78, 0x00, 0x00, 0x10}, */
/****** (some exchanges in the win trace) ******/
	{0xa1, 0x21, 0x93, 0x00, 0x00, 0x00, 0x00, 0x10},/* dummy line hight */
	{0xa1, 0x21, 0x92, 0x25, 0x00, 0x00, 0x00, 0x10},/* dummy line low */
	{0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10},
/*	{0xa1, 0x21, 0x02, 0x90, 0x00, 0x00, 0x00, 0x10}, */
/****** (some exchanges in the win trace) ******/
/**********startsensor KO if changed !!****/
	{0xa1, 0x21, 0x93, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x92, 0xff, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xa1, 0x21, 0x2b, 0xc3, 0x00, 0x00, 0x00, 0x10},
/* here may start the isoc exchanges */
	{0, 0, 0, 0, 0, 0, 0, 0}
};
/* reg0x04		reg0x07		reg 0x10 */
/* expo  = (COM1 & 0x02) | (AECHH & 0x2f <<10) [ (AECh << 2) */

static __u8 ov7648_sensor_init[][8] = {
	{0xC1, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00},
	{0xC1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00},
	{0xC1, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00},
	{0xA1, 0x6E, 0x3F, 0x20, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x3E, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x04, 0x02, 0xB1, 0x02, 0x39, 0x10},
	{0xD1, 0x6E, 0x08, 0x00, 0x01, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x0C, 0x02, 0x7F, 0x01, 0xE0, 0x10},
	{0xD1, 0x6E, 0x12, 0x03, 0x02, 0x00, 0x03, 0x10},
	{0xD1, 0x6E, 0x16, 0x85, 0x40, 0x4A, 0x40, 0x10},
	{0xC1, 0x6E, 0x1A, 0x00, 0x80, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x1D, 0x08, 0x03, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x23, 0x00, 0xB0, 0x00, 0x94, 0x10},
	{0xD1, 0x6E, 0x27, 0x58, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x2D, 0x14, 0x35, 0x61, 0x84, 0x10},
	{0xD1, 0x6E, 0x31, 0xA2, 0xBD, 0xD8, 0xFF, 0x10},
	{0xD1, 0x6E, 0x35, 0x06, 0x1E, 0x12, 0x02, 0x10},
	{0xD1, 0x6E, 0x39, 0xAA, 0x53, 0x37, 0xD5, 0x10},
	{0xA1, 0x6E, 0x3D, 0xF2, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x3E, 0x00, 0x00, 0x80, 0x03, 0x10},
	{0xD1, 0x6E, 0x42, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xC1, 0x6E, 0x46, 0x00, 0x80, 0x80, 0x00, 0x10},
	{0xD1, 0x6E, 0x4B, 0x02, 0xEF, 0x08, 0xCD, 0x10},
	{0xD1, 0x6E, 0x4F, 0x00, 0xD0, 0x00, 0xA0, 0x10},
	{0xD1, 0x6E, 0x53, 0x01, 0xAA, 0x01, 0x40, 0x10},
	{0xD1, 0x6E, 0x5A, 0x50, 0x04, 0x30, 0x03, 0x10},
	{0xA1, 0x6E, 0x5E, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x5F, 0x10, 0x40, 0xFF, 0x00, 0x10},
  /*	{0xD1, 0x6E, 0x63, 0x40, 0x40, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x67, 0x00, 0x00, 0x00, 0x00, 0x10},
 * This is currently setting a
 * blue tint, and some things more , i leave it here for future test if
 * somene is having problems with color on this sensor
	{0xD1, 0x6E, 0x6B, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xD1, 0x6E, 0x6F, 0x00, 0x00, 0x00, 0x00, 0x10},
	{0xC1, 0x6E, 0x73, 0x10, 0x80, 0xEB, 0x00, 0x10},
	{0xA1, 0x6E, 0x1E, 0x03, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x15, 0x01, 0x00, 0x00, 0x00, 0x10},
	{0xC1, 0x6E, 0x16, 0x40, 0x40, 0x40, 0x00, 0x10},
	{0xA1, 0x6E, 0x1D, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x06, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x07, 0xB5, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x18, 0x6B, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x1D, 0x08, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x06, 0x02, 0x00, 0x00, 0x00, 0x10},
	{0xA1, 0x6E, 0x07, 0xB8, 0x00, 0x00, 0x00, 0x10},  */
	{0xC1, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00},
	{0xA1, 0x6E, 0x06, 0x03, 0x00, 0x00, 0x00, 0x10}, /* Bright... */
	{0xA1, 0x6E, 0x07, 0x66, 0x00, 0x00, 0x00, 0x10}, /* B.. */
	{0xC1, 0x6E, 0x1A, 0x03, 0x65, 0x90, 0x00, 0x10}, /* Bright/Witen....*/
/*	{0xC1, 0x6E, 0x16, 0x45, 0x40, 0x60, 0x00, 0x10},  * Bright/Witene */
	{0, 0, 0, 0, 0, 0, 0, 0}
};

static __u8 qtable4[] = {
	0x06, 0x04, 0x04, 0x06, 0x04, 0x04, 0x06, 0x06, 0x06, 0x06, 0x08, 0x06,
	0x06, 0x08, 0x0A, 0x11,
	0x0A, 0x0A, 0x08, 0x08, 0x0A, 0x15, 0x0F, 0x0F, 0x0C, 0x11, 0x19, 0x15,
	0x19, 0x19, 0x17, 0x15,
	0x17, 0x17, 0x1B, 0x1D, 0x25, 0x21, 0x1B, 0x1D, 0x23, 0x1D, 0x17, 0x17,
	0x21, 0x2E, 0x21, 0x23,
	0x27, 0x29, 0x2C, 0x2C, 0x2C, 0x19, 0x1F, 0x30, 0x32, 0x2E, 0x29, 0x32,
	0x25, 0x29, 0x2C, 0x29,
	0x06, 0x08, 0x08, 0x0A, 0x08, 0x0A, 0x13, 0x0A, 0x0A, 0x13, 0x29, 0x1B,
	0x17, 0x1B, 0x29, 0x29,
	0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29,
	0x29, 0x29, 0x29, 0x29,
	0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29,
	0x29, 0x29, 0x29, 0x29,
	0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29,
	0x29, 0x29, 0x29, 0x29
};

static void reg_r(struct usb_device *dev,
		  __u16 value,
		  __u8 *buffer, int len)
{
	usb_control_msg(dev,
			usb_rcvctrlpipe(dev, 0),
			0,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			value, 0,
			buffer, len,
			500);
}

static void reg_w(struct usb_device *dev,
			  __u16 value,
			  const __u8 *buffer,
			  int len)
{
	__u8 tmpbuf[64];

#ifdef CONFIG_VIDEO_ADV_DEBUG
	if (len > sizeof tmpbuf) {
		PDEBUG(D_ERR|D_PACK, "reg_w: buffer overflow");
		return;
	}
#endif
	memcpy(tmpbuf, buffer, len);
	usb_control_msg(dev,
			usb_sndctrlpipe(dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			value, 0,
			tmpbuf, len,
			500);
}

/* write 2 bytes */
static void i2c_w2(struct gspca_dev *gspca_dev,
		   __u8 *buffer)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	__u8 mode[8];

	/* is i2c ready */
	mode[0] = sd->i2c_ctrl_reg | (2 << 4);
	mode[1] = sd->i2c_base;
	mode[2] = buffer[0];
	mode[3] = buffer[1];
	mode[4] = 0;
	mode[5] = 0;
	mode[6] = 0;
	mode[7] = 0x10;
	reg_w(dev, 0x08, mode, 8);
}

/* write 8 bytes */
static void i2c_w8(struct usb_device *dev, __u8 *buffer)
{
	reg_w(dev, 0x08, buffer, 8);
	msleep(1);
}

/* read 5 bytes */
static void i2c_r5(struct gspca_dev *gspca_dev, __u8 reg,
			     __u8 *buffer)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	__u8 mode[8];

	mode[0] = sd->i2c_ctrl_reg | 0x10;
	mode[1] = sd->i2c_base;
	mode[2] = reg;
	mode[3] = 0;
	mode[4] = 0;
	mode[5] = 0;
	mode[6] = 0;
	mode[7] = 0x10;
	i2c_w8(dev, mode);
	mode[0] = sd->i2c_ctrl_reg | (5 << 4) | 0x02;
	mode[2] = 0;
	i2c_w8(dev, mode);
	reg_r(dev, 0x0a, buffer, 5);
}

static int probesensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	__u8 reg02;
	static __u8 datasend[] = { 2, 0 };
	/* reg val1 val2 val3 val4 */
	__u8 datarecd[6];

	i2c_w2(gspca_dev, datasend);
/* should write 0xa1 0x11 0x02 0x00 0x00 0x00 0x00 the 0x10 is add by i2cw */
	msleep(10);
	reg02 = 0x66;
	reg_w(dev, 0x02, &reg02, 1);		/* Gpio on */
	msleep(10);
	i2c_r5(gspca_dev, 0, datarecd);		/* read sensor id */
	if (datarecd[0] == 0x02
	    && datarecd[1] == 0x09
	    && datarecd[2] == 0x01
	    && datarecd[3] == 0x00
	    && datarecd[4] == 0x00) {
		PDEBUG(D_PROBE, "Find Sensor sn9c102P HV7131R");
		sd->sensor = SENSOR_HV7131R;
		return SENSOR_HV7131R;
	}
	PDEBUG(D_PROBE, "Find Sensor %d %d %d",
		datarecd[0], datarecd[1], datarecd[2]);
	PDEBUG(D_PROBE, "Sensor sn9c102P Not found");
	return -ENODEV;
}

static int configure_gpio(struct gspca_dev *gspca_dev,
			  __u8 *sn9c1xx)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	__u8 data;
	__u8 regF1;
	__u8 *reg9a;
	static __u8 reg9a_def[] =
		{0x08, 0x40, 0x20, 0x10, 0x00, 0x04};
	static __u8 reg9a_sn9c120[] =			/* from win trace */
		{0x00, 0x40, 0x38, 0x30, 0x00, 0x20};
	static __u8 reg9a_sn9c325[] =
		{0x0a, 0x40, 0x38, 0x30, 0x00, 0x20};


	regF1 = 0x00;
	reg_w(dev, 0xf1, &regF1, 1);

	reg_w(dev, 0x01, &sn9c1xx[0], 1);	/*fixme:jfm was [1] en v1*/

	/* configure gpio */
	reg_w(dev, 0x01, &sn9c1xx[1], 2);
	reg_w(dev, 0x08, &sn9c1xx[8], 2);
	reg_w(dev, 0x17, &sn9c1xx[0x17], 3);
	switch (sd->customid) {
	case SN9C325:
		reg9a = reg9a_sn9c325;
		break;
	case SN9C120:
		reg9a = reg9a_sn9c120;
		break;
	default:
		reg9a = reg9a_def;
		break;
	}
	reg_w(dev, 0x9a, reg9a, 6);

	data = 0x60;				/*fixme:jfm 60 00 00 (3) */
	reg_w(dev, 0xd4, &data, 1);

	reg_w(dev, 0x03, &sn9c1xx[3], 0x0f);

	switch (sd->customid) {
	case SN9C120:				/* from win trace */
		data = 0x61;
		reg_w(dev, 0x01, &data, 1);
		data = 0x20;
		reg_w(dev, 0x17, &data, 1);
		data = 0x60;
		reg_w(dev, 0x01, &data, 1);
		break;
	case SN9C325:
		data = 0x43;
		reg_w(dev, 0x01, &data, 1);
		data = 0xae;
		reg_w(dev, 0x17, &data, 1);
		data = 0x42;
		reg_w(dev, 0x01, &data, 1);
		break;
	default:
		data = 0x43;
		reg_w(dev, 0x01, &data, 1);
		data = 0x61;
		reg_w(dev, 0x17, &data, 1);
		data = 0x42;
		reg_w(dev, 0x01, &data, 1);
	}

	if (sd->sensor == SENSOR_HV7131R) {
		if (probesensor(gspca_dev) < 0)
			return -ENODEV;
	}
	return 0;
}

static void hv7131R_InitSensor(struct gspca_dev *gspca_dev)
{
	int i = 0;
	struct usb_device *dev = gspca_dev->dev;
	static __u8 SetSensorClk[] =		/* 0x08 Mclk */
		{ 0xa1, 0x11, 0x01, 0x18, 0x00, 0x00, 0x00, 0x10 };

	while (hv7131r_sensor_init[i][0]) {
		i2c_w8(dev, hv7131r_sensor_init[i]);
		i++;
	}
	i2c_w8(dev, SetSensorClk);
}

static void mi0360_InitSensor(struct gspca_dev *gspca_dev)
{
	int i = 0;
	struct usb_device *dev = gspca_dev->dev;

	while (mi0360_sensor_init[i][0]) {
		i2c_w8(dev, mi0360_sensor_init[i]);
		i++;
	}
}

static void mo4000_InitSensor(struct gspca_dev *gspca_dev)
{
	int i = 0;
	struct usb_device *dev = gspca_dev->dev;

	while (mo4000_sensor_init[i][0]) {
		i2c_w8(dev, mo4000_sensor_init[i]);
		i++;
	}
}

static void ov7648_InitSensor(struct gspca_dev *gspca_dev)
{
	struct usb_device *dev = gspca_dev->dev;
	int i = 0;

	while (ov7648_sensor_init[i][0]) {
		i2c_w8(dev, ov7648_sensor_init[i]);
		i++;
	}
}

static void ov7660_InitSensor(struct gspca_dev *gspca_dev)
{
	int i = 0;
	struct usb_device *dev = gspca_dev->dev;

	while (ov7660_sensor_init[i][0]) {
		i2c_w8(dev, ov7660_sensor_init[i]);
		i++;
	}
}

/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
			const struct usb_device_id *id)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct cam *cam;
	__u16 vendor;
	__u16 product;

	vendor = id->idVendor;
	product = id->idProduct;
	sd->sensor = -1;
	switch (vendor) {
	case 0x0458:				/* Genius */
/*		switch (product) {
		case 0x7025: */
			sd->customid = SN9C120;
			sd->sensor = SENSOR_MI0360;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x5d;
/*			break;
		} */
		break;
	case 0x045e:
/*		switch (product) {
		case 0x00f5:
		case 0x00f7: */
			sd->customid = SN9C105;
			sd->sensor = SENSOR_OV7660;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
/*			break;
		} */
		break;
	case 0x0471:				/* Philips */
/*		switch (product) {
		case 0x0327:
		case 0x0328:
		case 0x0330: */
			sd->customid = SN9C105;
			sd->sensor = SENSOR_MI0360;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x5d;
/*			break;
		} */
		break;
	case 0x0c45:				/* Sonix */
		switch (product) {
		case 0x6040:
			sd->customid = SN9C102P;
			sd->sensor = SENSOR_MI0360;	/* from BW600.inf */
/*			sd->sensor = SENSOR_HV7131R;	 * gspcav1 value */
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x11;
			break;
/*		case 0x607a:				* from BW600.inf
			sd->customid = SN9C102P;
			sd->sensor = SENSOR_OV7648;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x607c:
			sd->customid = SN9C102P;
			sd->sensor = SENSOR_HV7131R;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x11;
			break;
/*		case 0x607e:				* from BW600.inf
			sd->customid = SN9C102P;
			sd->sensor = SENSOR_OV7630;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x60c0:
			sd->customid = SN9C105;
			sd->sensor = SENSOR_MI0360;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x5d;
			break;
/*		case 0x60c8:				* from BW600.inf
			sd->customid = SN9C105;
			sd->sensor = SENSOR_OM6801;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
/*		case 0x60cc:				* from BW600.inf
			sd->customid = SN9C105;
			sd->sensor = SENSOR_HV7131GP;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x60ec:
			sd->customid = SN9C105;
			sd->sensor = SENSOR_MO4000;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
			break;
/*		case 0x60ef:				* from BW600.inf
			sd->customid = SN9C105;
			sd->sensor = SENSOR_ICM105C;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
/*		case 0x60fa:				* from BW600.inf
			sd->customid = SN9C105;
			sd->sensor = SENSOR_OV7648;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x60fb:
			sd->customid = SN9C105;
			sd->sensor = SENSOR_OV7660;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
			break;
		case 0x60fc:
			sd->customid = SN9C105;
			sd->sensor = SENSOR_HV7131R;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x11;
			break;
/*		case 0x60fe:				* from BW600.inf
			sd->customid = SN9C105;
			sd->sensor = SENSOR_OV7630;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
/*		case 0x6108:				* from BW600.inf
			sd->customid = SN9C120;
			sd->sensor = SENSOR_OM6801;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
/*		case 0x6122:				* from BW600.inf
			sd->customid = SN9C110;
			sd->sensor = SENSOR_ICM105C;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x612a:
/*			sd->customid = SN9C110;		 * in BW600.inf */
			sd->customid = SN9C325;
			sd->sensor = SENSOR_OV7648;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
			break;
/*		case 0x6123:				* from BW600.inf
			sd->customid = SN9C110;
			sd->sensor = SENSOR_SanyoCCD;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x612c:
			sd->customid = SN9C110;
			sd->sensor = SENSOR_MO4000;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
			break;
/*		case 0x612e:				* from BW600.inf
			sd->customid = SN9C110;
			sd->sensor = SENSOR_OV7630;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
/*		case 0x612f:				* from BW600.inf
			sd->customid = SN9C110;
			sd->sensor = SENSOR_ICM105C;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x6130:
			sd->customid = SN9C120;
			sd->sensor = SENSOR_MI0360;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x5d;
			break;
		case 0x6138:
			sd->customid = SN9C120;
			sd->sensor = SENSOR_MO4000;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
			break;
/*		case 0x613a:				* from BW600.inf
			sd->customid = SN9C120;
			sd->sensor = SENSOR_OV7648;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		case 0x613b:
			sd->customid = SN9C120;
			sd->sensor = SENSOR_OV7660;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x21;
			break;
		case 0x613c:
			sd->customid = SN9C120;
			sd->sensor = SENSOR_HV7131R;
			sd->i2c_ctrl_reg = 0x81;
			sd->i2c_base = 0x11;
			break;
/*		case 0x613e:				* from BW600.inf
			sd->customid = SN9C120;
			sd->sensor = SENSOR_OV7630;
			sd->i2c_ctrl_reg = 0x??;
			sd->i2c_base = 0x??;
			break; */
		}
		break;
	}
	if (sd->sensor < 0) {
		PDEBUG(D_ERR, "Invalid vendor/product %04x:%04x",
			vendor, product);
		return -EINVAL;
	}

	cam = &gspca_dev->cam;
	cam->dev_name = (char *) id->driver_info;
	cam->epaddr = 0x01;
	cam->cam_mode = vga_mode;
	cam->nmodes = ARRAY_SIZE(vga_mode);
	sd->qindex = 4;			/* set the quantization table */
	sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
	sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
	sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
	sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
	return 0;
}

/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
/*	__u8 *sn9c1xx; */
	__u8 regF1;
	__u8 regGpio[] = { 0x29, 0x74 };

	/* setup a selector by customid */
	regF1 = 0x01;
	reg_w(dev, 0xf1, &regF1, 1);
	reg_r(dev, 0x00, &regF1, 1);	/* -> regF1 = 0x00 */
	reg_w(dev, 0xf1, &regF1, 1);
	reg_r(dev, 0x00, &regF1, 1);
	switch (sd->customid) {
	case SN9C102P:
		if (regF1 != 0x11)
			return -ENODEV;
		reg_w(dev, 0x02, &regGpio[1], 1);
		break;
	case SN9C105:
		if (regF1 != 0x11)
			return -ENODEV;
		reg_w(dev, 0x02, regGpio, 2);
		break;
	case SN9C110:
		if (regF1 != 0x12)
			return -ENODEV;
		regGpio[1] = 0x62;
		reg_w(dev, 0x02, &regGpio[1], 1);
		break;
	case SN9C120:
		if (regF1 != 0x12)
			return -ENODEV;
		regGpio[1] = 0x70;
		reg_w(dev, 0x02, regGpio, 2);
		break;
	default:
/*	case SN9C325: */
		if (regF1 != 0x12)
			return -ENODEV;
		regGpio[1] = 0x62;
		reg_w(dev, 0x02, &regGpio[1], 1);
		break;
	}

	regF1 = 0x01;
	reg_w(dev, 0xf1, &regF1, 1);

	return 0;
}

static unsigned int setexposure(struct gspca_dev *gspca_dev,
				unsigned int expo)
{
	struct sd *sd = (struct sd *) gspca_dev;
	static __u8 doit[] =			/* update sensor */
		{ 0xb1, 0x5d, 0x07, 0x00, 0x03, 0x00, 0x00, 0x10 };
	static __u8 sensorgo[] =		/* sensor on */
		{ 0xb1, 0x5d, 0x07, 0x00, 0x02, 0x00, 0x00, 0x10 };
	static __u8 gainMo[] =
		{ 0xa1, 0x21, 0x00, 0x10, 0x00, 0x00, 0x00, 0x1d };

	switch (sd->sensor) {
	case SENSOR_HV7131R: {
		__u8 Expodoit[] =
			{ 0xc1, 0x11, 0x25, 0x07, 0x27, 0xc0, 0x00, 0x16 };

		Expodoit[3] = expo >> 16;
		Expodoit[4] = expo >> 8;
		Expodoit[5] = expo;
		i2c_w8(gspca_dev->dev, Expodoit);
		break;
	    }
	case SENSOR_MI0360: {
		__u8 expoMi[] =	 /* exposure 0x0635 -> 4 fp/s 0x10 */
			{ 0xb1, 0x5d, 0x09, 0x06, 0x35, 0x00, 0x00, 0x16 };

		if (expo > 0x0635)
			expo = 0x0635;
		else if (expo < 0x0001)
			expo = 0x0001;
		expoMi[3] = expo >> 8;
		expoMi[4] = expo;
		i2c_w8(gspca_dev->dev, expoMi);
		i2c_w8(gspca_dev->dev, doit);
		i2c_w8(gspca_dev->dev, sensorgo);
		break;
	    }
	case SENSOR_MO4000: {
		__u8 expoMof[] =
			{ 0xa1, 0x21, 0x0f, 0x20, 0x00, 0x00, 0x00, 0x10 };
		__u8 expoMo10[] =
			{ 0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10 };

		if (expo > 0x1fff)
			expo = 0x1fff;
		else if (expo < 0x0001)
			expo = 0x0001;
		expoMof[3] = (expo & 0x03fc) >> 2;
		i2c_w8(gspca_dev->dev, expoMof);
		expoMo10[3] = ((expo & 0x1c00) >> 10)
				| ((expo & 0x0003) << 4);
		i2c_w8(gspca_dev->dev, expoMo10);
		i2c_w8(gspca_dev->dev, gainMo);
		PDEBUG(D_CONF, "set exposure %d",
			((expoMo10[3] & 0x07) << 10)
			| (expoMof[3] << 2)
			| ((expoMo10[3] & 0x30) >> 4));
		break;
	    }
	}
	return expo;
}

static void setbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	unsigned int expo;
	__u8 k2;

	switch (sd->sensor) {
	case SENSOR_HV7131R:
		expo = sd->brightness << 4;
		if (expo > 0x002dc6c0)
			expo = 0x002dc6c0;
		else if (expo < 0x02a0)
			expo = 0x02a0;
		sd->exposure = setexposure(gspca_dev, expo);
		break;
	case SENSOR_MI0360:
		expo = sd->brightness >> 4;
		sd->exposure = setexposure(gspca_dev, expo);
		break;
	case SENSOR_MO4000:
		expo = sd->brightness >> 4;
		sd->exposure = setexposure(gspca_dev, expo);
		break;
	case SENSOR_OV7660:
		return;				/*jfm??*/
	}

	k2 = sd->brightness >> 10;
	reg_w(gspca_dev->dev, 0x96, &k2, 1);
}

static void setcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 k2;
	__u8 contrast[] = { 0x00, 0x00, 0x28, 0x00, 0x07, 0x00 };

	if (sd->sensor == SENSOR_OV7660)
		return;				/*jfm??*/
	k2 = sd->contrast;
	contrast[2] = k2;
	contrast[0] = (k2 + 1) >> 1;
	contrast[4] = (k2 + 1) / 5;
	reg_w(gspca_dev->dev, 0x84, contrast, 6);
}

static void setcolors(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 data;
	int colour;

	colour = sd->colors - 128;
	if (colour > 0)
		data = (colour + 32) & 0x7f;	/* blue */
	else
		data = (-colour + 32) & 0x7f;	/* red */
	reg_w(gspca_dev->dev, 0x05, &data, 1);
}

/* -- start the camera -- */
static void sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	int i;
	__u8 data;
	__u8 reg1;
	__u8 reg17;
	__u8 *sn9c1xx;
	int mode;
	static __u8 DC29[] = { 0x6a, 0x50, 0x00, 0x00, 0x50, 0x3c };
	static __u8 C0[] = { 0x2d, 0x2d, 0x3a, 0x05, 0x04, 0x3f };
	static __u8 CA[] = { 0x28, 0xd8, 0x14, 0xec };
	static __u8 CA_sn9c120[] = { 0x14, 0xec, 0x0a, 0xf6 }; /* SN9C120 */
	static __u8 CE[] = { 0x32, 0xdd, 0x2d, 0xdd };	/* MI0360 */
	static __u8 CE_sn9c325[] =
			{ 0x32, 0xdd, 0x32, 0xdd };	/* OV7648 - SN9C325 */

	sn9c1xx = sn_tb[(int) sd->sensor];
	configure_gpio(gspca_dev, sn9c1xx);

/*fixme:jfm this sequence should appear at end of sd_start */
/* with
	data = 0x44;
	reg_w(dev, 0x01, &data, 1); */
	reg_w(dev, 0x15, &sn9c1xx[0x15], 1);
	reg_w(dev, 0x16, &sn9c1xx[0x16], 1);
	reg_w(dev, 0x12, &sn9c1xx[0x12], 1);
	reg_w(dev, 0x13, &sn9c1xx[0x13], 1);
	reg_w(dev, 0x18, &sn9c1xx[0x18], 1);
	reg_w(dev, 0xd2, &DC29[0], 1);
	reg_w(dev, 0xd3, &DC29[1], 1);
	reg_w(dev, 0xc6, &DC29[2], 1);
	reg_w(dev, 0xc7, &DC29[3], 1);
	reg_w(dev, 0xc8, &DC29[4], 1);
	reg_w(dev, 0xc9, &DC29[5], 1);
/*fixme:jfm end of ending sequence */
	reg_w(dev, 0x18, &sn9c1xx[0x18], 1);
	if (sd->customid == SN9C325)
		data = 0xae;
	else
		data = 0x60;
	reg_w(dev, 0x17, &data, 1);
	reg_w(dev, 0x05, &sn9c1xx[5], 1);
	reg_w(dev, 0x07, &sn9c1xx[7], 1);
	reg_w(dev, 0x06, &sn9c1xx[6], 1);
	reg_w(dev, 0x14, &sn9c1xx[0x14], 1);
	if (sd->customid == SN9C325) {
		reg_w(dev, 0x20, regsn20_sn9c325, 0x11);
		for (i = 0; i < 8; i++)
			reg_w(dev, 0x84, reg84_sn9c325, 0x15);
		data = 0x0a;
		reg_w(dev, 0x9a, &data, 1);
		data = 0x60;
		reg_w(dev, 0x99, &data, 1);
	} else {
		reg_w(dev, 0x20, regsn20, 0x11);
		for (i = 0; i < 8; i++)
			reg_w(dev, 0x84, reg84, 0x15);
		data = 0x08;
		reg_w(dev, 0x9a, &data, 1);
		data = 0x59;
		reg_w(dev, 0x99, &data, 1);
	}

	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode;
	reg1 = 0x02;
	reg17 = 0x61;
	switch (sd->sensor) {
	case SENSOR_HV7131R:
		hv7131R_InitSensor(gspca_dev);
		if (mode)
			reg1 = 0x46;	/* 320 clk 48Mhz */
		else
			reg1 = 0x06;	/* 640 clk 24Mz */
		break;
	case SENSOR_MI0360:
		mi0360_InitSensor(gspca_dev);
		if (mode)
			reg1 = 0x46;	/* 320 clk 48Mhz */
		else
			reg1 = 0x06;	/* 640 clk 24Mz */
		break;
	case SENSOR_MO4000:
		mo4000_InitSensor(gspca_dev);
		if (mode) {
/*			reg1 = 0x46;	 * 320 clk 48Mhz 60fp/s */
			reg1 = 0x06;	/* clk 24Mz */
		} else {
			reg17 = 0x22;	/* 640 MCKSIZE */
			reg1 = 0x06;	/* 640 clk 24Mz */
		}
		break;
	case SENSOR_OV7648:
		reg17 = 0xa2;
		reg1 = 0x44;
		ov7648_InitSensor(gspca_dev);
/*		if (mode)
			;		 * 320x2...
		else
			;		 * 640x... */
		break;
	default:
/*	case SENSOR_OV7660: */
		ov7660_InitSensor(gspca_dev);
		if (mode) {
/*			reg17 = 0x21;	 * 320 */
/*			reg1 = 0x44; */
			reg1 = 0x46;
		} else {
			reg17 = 0xa2;	/* 640 */
			reg1 = 0x40;
		}
		break;
	}
	reg_w(dev, 0xc0, C0, 6);
	switch (sd->customid) {
	case SN9C120:			/*jfm ?? */
		reg_w(dev, 0xca, CA_sn9c120, 4);
		break;
	default:
		reg_w(dev, 0xca, CA, 4);
		break;
	}
	switch (sd->customid) {
	case SN9C120:			/*jfm ?? */
	case SN9C325:
		reg_w(dev, 0xce, CE_sn9c325, 4);
		break;
	default:
		reg_w(dev, 0xce, CE, 4);
					/* ?? {0x1e, 0xdd, 0x2d, 0xe7} */
		break;
	}

	/* here change size mode 0 -> VGA; 1 -> CIF */
	data = 0x40 | sn9c1xx[0x18] | (mode << 4);
	reg_w(dev, 0x18, &data, 1);

	reg_w(dev, 0x100, qtable4, 0x40);
	reg_w(dev, 0x140, qtable4 + 0x40, 0x40);

	data = sn9c1xx[0x18] | (mode << 4);
	reg_w(dev, 0x18, &data, 1);

	reg_w(dev, 0x17, &reg17, 1);
	reg_w(dev, 0x01, &reg1, 1);
	setbrightness(gspca_dev);
	setcontrast(gspca_dev);
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	static __u8 stophv7131[] =
		{ 0xa1, 0x11, 0x02, 0x09, 0x00, 0x00, 0x00, 0x10 };
	static __u8 stopmi0360[] =
		{ 0xb1, 0x5d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10 };
	__u8 regF1;
	__u8 data;
	__u8 *sn9c1xx;

	data = 0x0b;
	switch (sd->sensor) {
	case SENSOR_HV7131R:
		i2c_w8(dev, stophv7131);
		data = 0x2b;
		break;
	case SENSOR_MI0360:
		i2c_w8(dev, stopmi0360);
		data = 0x29;
		break;
	case SENSOR_MO4000:
		break;
	case SENSOR_OV7648:
		data = 0x29;
		break;
	default:
/*	case SENSOR_OV7660: */
		break;
	}
	sn9c1xx = sn_tb[(int) sd->sensor];
	reg_w(dev, 0x01, &sn9c1xx[1], 1);
	reg_w(dev, 0x17, &sn9c1xx[0x17], 1);
	reg_w(dev, 0x01, &sn9c1xx[1], 1);
	reg_w(dev, 0x01, &data, 1);
	regF1 = 0x01;
	reg_w(dev, 0xf1, &regF1, 1);
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
}

static void sd_close(struct gspca_dev *gspca_dev)
{
}

static void setautogain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	/* Thanks S., without your advice, autobright should not work :) */
	int delta;
	int expotimes = 0;
	__u8 luma_mean = 130;
	__u8 luma_delta = 20;

	delta = sd->avg_lum;
	if (delta < luma_mean - luma_delta ||
	    delta > luma_mean + luma_delta) {
		switch (sd->sensor) {
		case SENSOR_HV7131R:
			expotimes = sd->exposure >> 8;
			expotimes += (luma_mean - delta) >> 4;
			if (expotimes < 0)
				expotimes = 0;
			sd->exposure = setexposure(gspca_dev,
					(unsigned int) (expotimes << 8));
			break;
		case SENSOR_MO4000:
		case SENSOR_MI0360:
			expotimes = sd->exposure;
			expotimes += (luma_mean - delta) >> 6;
			if (expotimes < 0)
				expotimes = 0;
			sd->exposure = setexposure(gspca_dev,
						   (unsigned int) expotimes);
			setcolors(gspca_dev);
			break;
		}
	}
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			struct gspca_frame *frame,	/* target */
			unsigned char *data,		/* isoc packet */
			int len)			/* iso packet length */
{
	struct sd *sd = (struct sd *) gspca_dev;
	int sof, avg_lum;

	sof = len - 64;
	if (sof >= 0 && data[sof] == 0xff && data[sof + 1] == 0xd9) {

		/* end of frame */
		gspca_frame_add(gspca_dev, LAST_PACKET,
				frame, data, sof + 2);
		if (sd->ag_cnt < 0)
			return;
		if (--sd->ag_cnt >= 0)
			return;
		sd->ag_cnt = AG_CNT_START;
/* w1 w2 w3 */
/* w4 w5 w6 */
/* w7 w8 */
/* w4 */
		avg_lum = ((data[sof + 29] << 8) | data[sof + 30]) >> 6;
/* w6 */
		avg_lum += ((data[sof + 33] << 8) | data[sof + 34]) >> 6;
/* w2 */
		avg_lum += ((data[sof + 25] << 8) | data[sof + 26]) >> 6;
/* w8 */
		avg_lum += ((data[sof + 37] << 8) | data[sof + 38]) >> 6;
/* w5 */
		avg_lum += ((data[sof + 31] << 8) | data[sof + 32]) >> 4;
		avg_lum >>= 4;
		sd->avg_lum = avg_lum;
		PDEBUG(D_PACK, "mean lum %d", avg_lum);
		setautogain(gspca_dev);
		return;
	}
	if (gspca_dev->last_packet_type == LAST_PACKET) {

		/* put the JPEG 422 header */
		jpeg_put_header(gspca_dev, frame, sd->qindex, 0x21);
	}
	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
}

static unsigned int getexposure(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 hexpo, mexpo, lexpo;
	__u8 expo[6];

	switch (sd->sensor) {
	case SENSOR_HV7131R:
		/* read sensor exposure */
		i2c_r5(gspca_dev, 0x25, expo);
		return (expo[0] << 16) | (expo[1] << 8) | expo[2];
	case SENSOR_MI0360:
		/* read sensor exposure */
		i2c_r5(gspca_dev, 0x09, expo);
		return (expo[0] << 8) | expo[1];
	case SENSOR_MO4000:
		i2c_r5(gspca_dev, 0x0e, expo);
		hexpo = 0;		/* expo[1] & 0x07; */
		mexpo = 0x40;		/* expo[2] &0xff; */
		lexpo = (expo[1] & 0x30) >> 4;
		PDEBUG(D_CONF, "exposure %d",
			(hexpo << 10) | (mexpo << 2) | lexpo);
		return (hexpo << 10) | (mexpo << 2) | lexpo;
	default:
/*	case SENSOR_OV7660: */
		/* read sensor exposure */
		i2c_r5(gspca_dev, 0x04, expo);
		hexpo = expo[3] & 0x2f;
		lexpo = expo[0] & 0x02;
		i2c_r5(gspca_dev, 0x08, expo);
		mexpo = expo[2];
		return (hexpo << 10) | (mexpo << 2) | lexpo;
	}
}

static void getbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	/* hardcoded registers seem not readable */
	switch (sd->sensor) {
	case SENSOR_HV7131R:
/*		sd->brightness = 0x7fff; */
		sd->brightness = getexposure(gspca_dev) >> 4;
		break;
	case SENSOR_MI0360:
		sd->brightness = getexposure(gspca_dev) << 4;
		break;
	case SENSOR_MO4000:
/*		sd->brightness = 0x1fff; */
		sd->brightness = getexposure(gspca_dev) << 4;
		break;
	}
}

static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->brightness = val;
	if (gspca_dev->streaming)
		setbrightness(gspca_dev);
	return 0;
}

static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	getbrightness(gspca_dev);
	*val = sd->brightness;
	return 0;
}

static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->contrast = val;
	if (gspca_dev->streaming)
		setcontrast(gspca_dev);
	return 0;
}

static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->contrast;
	return 0;
}

static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->colors = val;
	if (gspca_dev->streaming)
		setcolors(gspca_dev);
	return 0;
}

static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->colors;
	return 0;
}

static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->autogain = val;
	if (val)
		sd->ag_cnt = AG_CNT_START;
	else
		sd->ag_cnt = -1;
	return 0;
}

static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->autogain;
	return 0;
}

/* sub-driver description */
static struct sd_desc sd_desc = {
	.name = MODULE_NAME,
	.ctrls = sd_ctrls,
	.nctrls = ARRAY_SIZE(sd_ctrls),
	.config = sd_config,
	.open = sd_open,
	.start = sd_start,
	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.close = sd_close,
	.pkt_scan = sd_pkt_scan,
};

/* -- module initialisation -- */
#define DVNM(name) .driver_info = (kernel_ulong_t) name
static __devinitdata struct usb_device_id device_table[] = {
	{USB_DEVICE(0x0458, 0x7025), DVNM("Genius Eye 311Q")},
	{USB_DEVICE(0x045e, 0x00f5), DVNM("MicroSoft VX3000")},
	{USB_DEVICE(0x045e, 0x00f7), DVNM("MicroSoft VX1000")},
	{USB_DEVICE(0x0471, 0x0327), DVNM("Philips SPC 600 NC")},
	{USB_DEVICE(0x0471, 0x0328), DVNM("Philips SPC 700 NC")},
	{USB_DEVICE(0x0471, 0x0330), DVNM("Philips SPC 710NC")},
	{USB_DEVICE(0x0c45, 0x6040), DVNM("Speed NVC 350K")},
	{USB_DEVICE(0x0c45, 0x607c), DVNM("Sonix sn9c102p Hv7131R")},
	{USB_DEVICE(0x0c45, 0x60c0), DVNM("Sangha Sn535")},
	{USB_DEVICE(0x0c45, 0x60ec), DVNM("SN9C105+MO4000")},
	{USB_DEVICE(0x0c45, 0x60fb), DVNM("Surfer NoName")},
	{USB_DEVICE(0x0c45, 0x60fc), DVNM("LG-LIC300")},
	{USB_DEVICE(0x0c45, 0x612a), DVNM("Avant Camera")},
	{USB_DEVICE(0x0c45, 0x612c), DVNM("Typhoon Rasy Cam 1.3MPix")},
	{USB_DEVICE(0x0c45, 0x6130), DVNM("Sonix Pccam")},
	{USB_DEVICE(0x0c45, 0x6138), DVNM("Sn9c120 Mo4000")},
	{USB_DEVICE(0x0c45, 0x613b), DVNM("Surfer SN-206")},
	{USB_DEVICE(0x0c45, 0x613c), DVNM("Sonix Pccam168")},
	{}
};
MODULE_DEVICE_TABLE(usb, device_table);

/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
		    const struct usb_device_id *id)
{
	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
				THIS_MODULE);
}

static struct usb_driver sd_driver = {
	.name = MODULE_NAME,
	.id_table = device_table,
	.probe = sd_probe,
	.disconnect = gspca_disconnect,
};

/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
	if (usb_register(&sd_driver) < 0)
		return -1;
	info("v%s registered", version);
	return 0;
}
static void __exit sd_mod_exit(void)
{
	usb_deregister(&sd_driver);
	info("deregistered");
}

module_init(sd_mod_init);
module_exit(sd_mod_exit);