spca501.c

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/*
 * SPCA501 chip based cameras initialization data
 *
 * 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 "spca501"

#include "gspca.h"

MODULE_AUTHOR("Michel Xhaard <[e-mail]>");
MODULE_DESCRIPTION("GSPCA/SPCA501 USB Camera Driver");
MODULE_LICENSE("GPL");

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

	unsigned short contrast;
	__u8 brightness;
	__u8 colors;

	char subtype;
#define Arowana300KCMOSCamera 0
#define IntelCreateAndShare 1
#define KodakDVC325 2
#define MystFromOriUnknownCamera 3
#define SmileIntlCamera 4
#define ThreeComHomeConnectLite 5
#define ViewQuestM318B 6
};

/* 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 struct ctrl sd_ctrls[] = {
#define MY_BRIGHTNESS 0
	{
	    {
		.id      = V4L2_CID_BRIGHTNESS,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Brightness",
		.minimum = 0,
		.maximum = 127,
		.step    = 1,
		.default_value = 63,
	    },
	    .set = sd_setbrightness,
	    .get = sd_getbrightness,
	},
#define MY_CONTRAST 1
	{
	    {
		.id      = V4L2_CID_CONTRAST,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Contrast",
		.minimum = 0,
		.maximum = 0xffff,
		.step    = 1,
		.default_value = 0xaa00,
	    },
	    .set = sd_setcontrast,
	    .get = sd_getcontrast,
	},
#define MY_COLOR 2
	{
	    {
		.id      = V4L2_CID_SATURATION,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Color",
		.minimum = 0,
		.maximum = 63,
		.step    = 1,
		.default_value = 31,
	    },
	    .set = sd_setcolors,
	    .get = sd_getcolors,
	},
};

static struct v4l2_pix_format vga_mode[] = {
	{160, 120, V4L2_PIX_FMT_SPCA501, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 2},
	{320, 240, V4L2_PIX_FMT_SPCA501, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{640, 480, V4L2_PIX_FMT_SPCA501, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

#define SPCA50X_REG_USB 0x2	/* spca505 501 */
/*
 * Data to initialize a SPCA501. From a capture file provided by Bill Roehl
 * With SPCA501 chip description
 */
#define CCDSP_SET		/* set CCDSP parameters */
#define TG_SET			/* set time generator set */
#undef DSPWIN_SET		/* set DSP windows parameters */
#undef ALTER_GAMA	/* Set alternate set to YUV transform coeffs. */
#define SPCA501_SNAPBIT 0x80
#define SPCA501_SNAPCTRL 0x10
/* Frame packet header offsets for the spca501 */
#define SPCA501_OFFSET_GPIO   1
#define SPCA501_OFFSET_TYPE   2
#define SPCA501_OFFSET_TURN3A 3
#define SPCA501_OFFSET_FRAMSEQ 4
#define SPCA501_OFFSET_COMPRESS 5
#define SPCA501_OFFSET_QUANT 6
#define SPCA501_OFFSET_QUANT2 7
#define SPCA501_OFFSET_DATA 8

#define SPCA501_PROP_COMP_ENABLE(d) ((d) & 1)
#define SPCA501_PROP_SNAP(d) ((d) & 0x40)
#define SPCA501_PROP_SNAP_CTRL(d) ((d) & 0x10)
#define SPCA501_PROP_COMP_THRESH(d) (((d) & 0x0e) >> 1)
#define SPCA501_PROP_COMP_QUANT(d) (((d) & 0x70) >> 4)

/* SPCA501 CCDSP control */
#define SPCA501_REG_CCDSP 0x01
/* SPCA501 control/status registers */
#define SPCA501_REG_CTLRL 0x02

/* registers for color correction and YUV transformation */
#define SPCA501_A11 0x08
#define SPCA501_A12 0x09
#define SPCA501_A13 0x0A
#define SPCA501_A21 0x0B
#define SPCA501_A22 0x0C
#define SPCA501_A23 0x0D
#define SPCA501_A31 0x0E
#define SPCA501_A32 0x0F
#define SPCA501_A33 0x10

/* Data for video camera initialization before capturing */
static const __u16 spca501_open_data[][3] = {
	/* bmRequest,value,index */

	{0x2, 0x50, 0x00},	/* C/S enable soft reset */
	{0x2, 0x40, 0x00},	/* C/S disable soft reset */
	{0x2, 0x02, 0x05},	/* C/S general purpose I/O data */
	{0x2, 0x03, 0x05},	/* C/S general purpose I/O data */

#ifdef CCDSP_SET
	{0x1, 0x38, 0x01},	/* CCDSP options */
	{0x1, 0x05, 0x02}, /* CCDSP Optical black level for user settings */
	{0x1, 0xC0, 0x03},	/* CCDSP Optical black settings */

	{0x1, 0x67, 0x07},
	{0x1, 0x63, 0x3f},	/* CCDSP CCD gamma enable */
	{0x1, 0x03, 0x56},	/* Add gamma correction */

	{0x1, 0xFF, 0x15},	/* CCDSP High luminance for white balance */
	{0x1, 0x01, 0x16},	/* CCDSP Low luminance for white balance */

/* Color correction and RGB-to-YUV transformation coefficients changing */
#ifdef ALTER_GAMA
	{0x0, 0x00, 0x08},	/* A11 */
	{0x0, 0x00, 0x09},	/* A12 */
	{0x0, 0x90, 0x0A},	/* A13 */
	{0x0, 0x12, 0x0B},	/* A21 */
	{0x0, 0x00, 0x0C},	/* A22 */
	{0x0, 0x00, 0x0D},	/* A23 */
	{0x0, 0x00, 0x0E},	/* A31 */
	{0x0, 0x02, 0x0F},	/* A32 */
	{0x0, 0x00, 0x10},	/* A33 */
#else
	{0x1, 0x2a, 0x08},	/* A11 0x31 */
	{0x1, 0xf8, 0x09},	/* A12 f8 */
	{0x1, 0xf8, 0x0A},	/* A13 f8 */
	{0x1, 0xf8, 0x0B},	/* A21 f8 */
	{0x1, 0x14, 0x0C},	/* A22 0x14 */
	{0x1, 0xf8, 0x0D},	/* A23 f8 */
	{0x1, 0xf8, 0x0E},	/* A31 f8 */
	{0x1, 0xf8, 0x0F},	/* A32 f8 */
	{0x1, 0x20, 0x10},	/* A33 0x20 */
#endif
	{0x1, 0x00, 0x11},	/* R offset */
	{0x1, 0x00, 0x12},	/* G offset */
	{0x1, 0x00, 0x13},	/* B offset */
	{0x1, 0x00, 0x14},	/* GB offset */

#endif

#ifdef TG_SET
	/* Time generator manipulations */
	{0x0, 0xfc, 0x0},	/* Set up high bits of shutter speed */
	{0x0, 0x01, 0x1},	/* Set up low bits of shutter speed */

	{0x0, 0xe4, 0x04},	/* DCLK*2 clock phase adjustment */
	{0x0, 0x08, 0x05},	/* ADCK phase adjustment, inv. ext. VB */
	{0x0, 0x03, 0x06},	/* FR phase adjustment */
	{0x0, 0x01, 0x07},	/* FCDS phase adjustment */
	{0x0, 0x39, 0x08},	/* FS phase adjustment */
	{0x0, 0x88, 0x0a},	/* FH1 phase and delay adjustment */
	{0x0, 0x03, 0x0f},	/* pixel identification */
	{0x0, 0x00, 0x11},	/* clock source selection (default) */

	/*VERY strange manipulations with
	 * select DMCLP or OBPX to be ADCLP output (0x0C)
	 * OPB always toggle or not (0x0D) but they allow
	 * us to set up brightness
	 */
	{0x0, 0x01, 0x0c},
	{0x0, 0xe0, 0x0d},
	/* Done */
#endif

#ifdef DSPWIN_SET
	{0x1, 0xa0, 0x01},	/* Setting image processing parameters */
	{0x1, 0x1c, 0x17},	/* Changing Windows positions X1 */
	{0x1, 0xe2, 0x19},	/* X2 */
	{0x1, 0x1c, 0x1b},	/* X3 */
	{0x1, 0xe2, 0x1d},	/* X4 */
	{0x1, 0x5f, 0x1f},	/* X5 */
	{0x1, 0x32, 0x20},	/* Y5 */
	{0x1, 0x01, 0x10},	/* Changing A33 */
#endif

	{0x2, 0x204a, 0x07},/* Setting video compression & resolution 160x120 */
	{0x2, 0x94, 0x06},	/* Setting video no compression */
	{}
};

/*
   The SPCAxxx docs from Sunplus document these values
   in tables, one table per register number.  In the data
   below, dmRequest is the register number, index is the Addr,
   and value is a combination of Bit values.
   Bit  Value (hex)
   0    01
   1    02
   2    04
   3    08
   4    10
   5    20
   6    40
   7    80
 */

/* Data for chip initialization (set default values) */
static const __u16 spca501_init_data[][3] = {
	/* Set all the values to powerup defaults */
	/* bmRequest,value,index */
	{0x0, 0xAA, 0x00},
	{0x0, 0x02, 0x01},
	{0x0, 0x01, 0x02},
	{0x0, 0x02, 0x03},
	{0x0, 0xCE, 0x04},
	{0x0, 0x00, 0x05},
	{0x0, 0x00, 0x06},
	{0x0, 0x00, 0x07},
	{0x0, 0x00, 0x08},
	{0x0, 0x00, 0x09},
	{0x0, 0x90, 0x0A},
	{0x0, 0x12, 0x0B},
	{0x0, 0x00, 0x0C},
	{0x0, 0x00, 0x0D},
	{0x0, 0x00, 0x0E},
	{0x0, 0x02, 0x0F},
	{0x0, 0x00, 0x10},
	{0x0, 0x00, 0x11},
	{0x0, 0x00, 0x12},
	{0x0, 0x00, 0x13},
	{0x0, 0x00, 0x14},
	{0x0, 0x00, 0x15},
	{0x0, 0x00, 0x16},
	{0x0, 0x00, 0x17},
	{0x0, 0x00, 0x18},
	{0x0, 0x00, 0x19},
	{0x0, 0x00, 0x1A},
	{0x0, 0x00, 0x1B},
	{0x0, 0x00, 0x1C},
	{0x0, 0x00, 0x1D},
	{0x0, 0x00, 0x1E},
	{0x0, 0x00, 0x1F},
	{0x0, 0x00, 0x20},
	{0x0, 0x00, 0x21},
	{0x0, 0x00, 0x22},
	{0x0, 0x00, 0x23},
	{0x0, 0x00, 0x24},
	{0x0, 0x00, 0x25},
	{0x0, 0x00, 0x26},
	{0x0, 0x00, 0x27},
	{0x0, 0x00, 0x28},
	{0x0, 0x00, 0x29},
	{0x0, 0x00, 0x2A},
	{0x0, 0x00, 0x2B},
	{0x0, 0x00, 0x2C},
	{0x0, 0x00, 0x2D},
	{0x0, 0x00, 0x2E},
	{0x0, 0x00, 0x2F},
	{0x0, 0x00, 0x30},
	{0x0, 0x00, 0x31},
	{0x0, 0x00, 0x32},
	{0x0, 0x00, 0x33},
	{0x0, 0x00, 0x34},
	{0x0, 0x00, 0x35},
	{0x0, 0x00, 0x36},
	{0x0, 0x00, 0x37},
	{0x0, 0x00, 0x38},
	{0x0, 0x00, 0x39},
	{0x0, 0x00, 0x3A},
	{0x0, 0x00, 0x3B},
	{0x0, 0x00, 0x3C},
	{0x0, 0x00, 0x3D},
	{0x0, 0x00, 0x3E},
	{0x0, 0x00, 0x3F},
	{0x0, 0x00, 0x40},
	{0x0, 0x00, 0x41},
	{0x0, 0x00, 0x42},
	{0x0, 0x00, 0x43},
	{0x0, 0x00, 0x44},
	{0x0, 0x00, 0x45},
	{0x0, 0x00, 0x46},
	{0x0, 0x00, 0x47},
	{0x0, 0x00, 0x48},
	{0x0, 0x00, 0x49},
	{0x0, 0x00, 0x4A},
	{0x0, 0x00, 0x4B},
	{0x0, 0x00, 0x4C},
	{0x0, 0x00, 0x4D},
	{0x0, 0x00, 0x4E},
	{0x0, 0x00, 0x4F},
	{0x0, 0x00, 0x50},
	{0x0, 0x00, 0x51},
	{0x0, 0x00, 0x52},
	{0x0, 0x00, 0x53},
	{0x0, 0x00, 0x54},
	{0x0, 0x00, 0x55},
	{0x0, 0x00, 0x56},
	{0x0, 0x00, 0x57},
	{0x0, 0x00, 0x58},
	{0x0, 0x00, 0x59},
	{0x0, 0x00, 0x5A},
	{0x0, 0x00, 0x5B},
	{0x0, 0x00, 0x5C},
	{0x0, 0x00, 0x5D},
	{0x0, 0x00, 0x5E},
	{0x0, 0x00, 0x5F},
	{0x0, 0x00, 0x60},
	{0x0, 0x00, 0x61},
	{0x0, 0x00, 0x62},
	{0x0, 0x00, 0x63},
	{0x0, 0x00, 0x64},
	{0x0, 0x00, 0x65},
	{0x0, 0x00, 0x66},
	{0x0, 0x00, 0x67},
	{0x0, 0x00, 0x68},
	{0x0, 0x00, 0x69},
	{0x0, 0x00, 0x6A},
	{0x0, 0x00, 0x6B},
	{0x0, 0x00, 0x6C},
	{0x0, 0x00, 0x6D},
	{0x0, 0x00, 0x6E},
	{0x0, 0x00, 0x6F},
	{0x0, 0x00, 0x70},
	{0x0, 0x00, 0x71},
	{0x0, 0x00, 0x72},
	{0x0, 0x00, 0x73},
	{0x0, 0x00, 0x74},
	{0x0, 0x00, 0x75},
	{0x0, 0x00, 0x76},
	{0x0, 0x00, 0x77},
	{0x0, 0x00, 0x78},
	{0x0, 0x00, 0x79},
	{0x0, 0x00, 0x7A},
	{0x0, 0x00, 0x7B},
	{0x0, 0x00, 0x7C},
	{0x0, 0x00, 0x7D},
	{0x0, 0x00, 0x7E},
	{0x0, 0x00, 0x7F},
	{0x0, 0x00, 0x80},
	{0x0, 0x00, 0x81},
	{0x0, 0x00, 0x82},
	{0x0, 0x00, 0x83},
	{0x0, 0x00, 0x84},
	{0x0, 0x00, 0x85},
	{0x0, 0x00, 0x86},
	{0x0, 0x00, 0x87},
	{0x0, 0x00, 0x88},
	{0x0, 0x00, 0x89},
	{0x0, 0x00, 0x8A},
	{0x0, 0x00, 0x8B},
	{0x0, 0x00, 0x8C},
	{0x0, 0x00, 0x8D},
	{0x0, 0x00, 0x8E},
	{0x0, 0x00, 0x8F},
	{0x0, 0x00, 0x90},
	{0x0, 0x00, 0x91},
	{0x0, 0x00, 0x92},
	{0x0, 0x00, 0x93},
	{0x0, 0x00, 0x94},
	{0x0, 0x00, 0x95},
	{0x0, 0x00, 0x96},
	{0x0, 0x00, 0x97},
	{0x0, 0x00, 0x98},
	{0x0, 0x00, 0x99},
	{0x0, 0x00, 0x9A},
	{0x0, 0x00, 0x9B},
	{0x0, 0x00, 0x9C},
	{0x0, 0x00, 0x9D},
	{0x0, 0x00, 0x9E},
	{0x0, 0x00, 0x9F},
	{0x0, 0x00, 0xA0},
	{0x0, 0x00, 0xA1},
	{0x0, 0x00, 0xA2},
	{0x0, 0x00, 0xA3},
	{0x0, 0x00, 0xA4},
	{0x0, 0x00, 0xA5},
	{0x0, 0x00, 0xA6},
	{0x0, 0x00, 0xA7},
	{0x0, 0x00, 0xA8},
	{0x0, 0x00, 0xA9},
	{0x0, 0x00, 0xAA},
	{0x0, 0x00, 0xAB},
	{0x0, 0x00, 0xAC},
	{0x0, 0x00, 0xAD},
	{0x0, 0x00, 0xAE},
	{0x0, 0x00, 0xAF},
	{0x0, 0x00, 0xB0},
	{0x0, 0x00, 0xB1},
	{0x0, 0x00, 0xB2},
	{0x0, 0x00, 0xB3},
	{0x0, 0x00, 0xB4},
	{0x0, 0x00, 0xB5},
	{0x0, 0x00, 0xB6},
	{0x0, 0x00, 0xB7},
	{0x0, 0x00, 0xB8},
	{0x0, 0x00, 0xB9},
	{0x0, 0x00, 0xBA},
	{0x0, 0x00, 0xBB},
	{0x0, 0x00, 0xBC},
	{0x0, 0x00, 0xBD},
	{0x0, 0x00, 0xBE},
	{0x0, 0x00, 0xBF},
	{0x0, 0x00, 0xC0},
	{0x0, 0x00, 0xC1},
	{0x0, 0x00, 0xC2},
	{0x0, 0x00, 0xC3},
	{0x0, 0x00, 0xC4},
	{0x0, 0x00, 0xC5},
	{0x0, 0x00, 0xC6},
	{0x0, 0x00, 0xC7},
	{0x0, 0x00, 0xC8},
	{0x0, 0x00, 0xC9},
	{0x0, 0x00, 0xCA},
	{0x0, 0x00, 0xCB},
	{0x0, 0x00, 0xCC},
	{0x1, 0xF4, 0x00},
	{0x1, 0x38, 0x01},
	{0x1, 0x40, 0x02},
	{0x1, 0x0A, 0x03},
	{0x1, 0x40, 0x04},
	{0x1, 0x40, 0x05},
	{0x1, 0x40, 0x06},
	{0x1, 0x67, 0x07},
	{0x1, 0x31, 0x08},
	{0x1, 0x00, 0x09},
	{0x1, 0x00, 0x0A},
	{0x1, 0x00, 0x0B},
	{0x1, 0x14, 0x0C},
	{0x1, 0x00, 0x0D},
	{0x1, 0x00, 0x0E},
	{0x1, 0x00, 0x0F},
	{0x1, 0x1E, 0x10},
	{0x1, 0x00, 0x11},
	{0x1, 0x00, 0x12},
	{0x1, 0x00, 0x13},
	{0x1, 0x00, 0x14},
	{0x1, 0xFF, 0x15},
	{0x1, 0x01, 0x16},
	{0x1, 0x32, 0x17},
	{0x1, 0x23, 0x18},
	{0x1, 0xCE, 0x19},
	{0x1, 0x23, 0x1A},
	{0x1, 0x32, 0x1B},
	{0x1, 0x8D, 0x1C},
	{0x1, 0xCE, 0x1D},
	{0x1, 0x8D, 0x1E},
	{0x1, 0x00, 0x1F},
	{0x1, 0x00, 0x20},
	{0x1, 0xFF, 0x3E},
	{0x1, 0x02, 0x3F},
	{0x1, 0x00, 0x40},
	{0x1, 0x00, 0x41},
	{0x1, 0x00, 0x42},
	{0x1, 0x00, 0x43},
	{0x1, 0x00, 0x44},
	{0x1, 0x00, 0x45},
	{0x1, 0x00, 0x46},
	{0x1, 0x00, 0x47},
	{0x1, 0x00, 0x48},
	{0x1, 0x00, 0x49},
	{0x1, 0x00, 0x4A},
	{0x1, 0x00, 0x4B},
	{0x1, 0x00, 0x4C},
	{0x1, 0x00, 0x4D},
	{0x1, 0x00, 0x4E},
	{0x1, 0x00, 0x4F},
	{0x1, 0x00, 0x50},
	{0x1, 0x00, 0x51},
	{0x1, 0x00, 0x52},
	{0x1, 0x00, 0x53},
	{0x1, 0x00, 0x54},
	{0x1, 0x00, 0x55},
	{0x1, 0x00, 0x56},
	{0x1, 0x00, 0x57},
	{0x1, 0x00, 0x58},
	{0x1, 0x00, 0x59},
	{0x1, 0x00, 0x5A},
	{0x2, 0x03, 0x00},
	{0x2, 0x00, 0x01},
	{0x2, 0x00, 0x05},
	{0x2, 0x00, 0x06},
	{0x2, 0x00, 0x07},
	{0x2, 0x00, 0x10},
	{0x2, 0x00, 0x11},
	/* Strange - looks like the 501 driver doesn't do anything
	 * at insert time except read the EEPROM