spca561.c 31.7 KB
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/*
 * Sunplus spca561 subdriver
 *
 * Copyright (C) 2004 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 "spca561"

#include "gspca.h"

MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
MODULE_LICENSE("GPL");

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

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	__u16 contrast;			/* rev72a only */
#define CONTRAST_MIN 0x0000
#define CONTRAST_DEF 0x2000
#define CONTRAST_MAX 0x3fff

	__u16 exposure;			/* rev12a only */
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#define EXPOSURE_MIN 1
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#define EXPOSURE_DEF 200
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#define EXPOSURE_MAX (4095 - 900) /* see set_exposure */
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	__u8 brightness;		/* rev72a only */
#define BRIGHTNESS_MIN 0
#define BRIGHTNESS_DEF 32
#define BRIGHTNESS_MAX 63

	__u8 white;			/* rev12a only */
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#define WHITE_MIN 1
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#define WHITE_DEF 0x40
#define WHITE_MAX 0x7f

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	__u8 autogain;
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#define AUTOGAIN_MIN 0
#define AUTOGAIN_DEF 1
#define AUTOGAIN_MAX 1

	__u8 gain;			/* rev12a only */
#define GAIN_MIN 0x0
#define GAIN_DEF 0x24
#define GAIN_MAX 0x24
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#define EXPO12A_DEF 3
	__u8 expo12a;		/* expo/gain? for rev 12a */

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	__u8 chip_revision;
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#define Rev012A 0
#define Rev072A 1

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	signed char ag_cnt;
#define AG_CNT_START 13
};

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static struct v4l2_pix_format sif_012a_mode[] = {
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	{160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 3},
	{176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 2},
	{320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 4 / 8,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 4 / 8,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
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};

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static struct v4l2_pix_format sif_072a_mode[] = {
	{160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 3},
	{176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 2},
	{320, 240, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{352, 288, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

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/*
 * Initialization data
 * I'm not very sure how to split initialization from open data
 * chunks. For now, we'll consider everything as initialization
 */
/* Frame packet header offsets for the spca561 */
#define SPCA561_OFFSET_SNAP 1
#define SPCA561_OFFSET_TYPE 2
#define SPCA561_OFFSET_COMPRESS 3
#define SPCA561_OFFSET_FRAMSEQ   4
#define SPCA561_OFFSET_GPIO 5
#define SPCA561_OFFSET_USBBUFF 6
#define SPCA561_OFFSET_WIN2GRAVE 7
#define SPCA561_OFFSET_WIN2RAVE 8
#define SPCA561_OFFSET_WIN2BAVE 9
#define SPCA561_OFFSET_WIN2GBAVE 10
#define SPCA561_OFFSET_WIN1GRAVE 11
#define SPCA561_OFFSET_WIN1RAVE 12
#define SPCA561_OFFSET_WIN1BAVE 13
#define SPCA561_OFFSET_WIN1GBAVE 14
#define SPCA561_OFFSET_FREQ 15
#define SPCA561_OFFSET_VSYNC 16
#define SPCA561_OFFSET_DATA 1
#define SPCA561_INDEX_I2C_BASE 0x8800
#define SPCA561_SNAPBIT 0x20
#define SPCA561_SNAPCTRL 0x40

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static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value)
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{
	int ret;

	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
			      0,		/* request */
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			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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			      value, index, NULL, 0, 500);
	PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
	if (ret < 0)
		PDEBUG(D_ERR, "reg write: error %d", ret);
}

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static void write_vector(struct gspca_dev *gspca_dev,
			const __u16 data[][2])
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{
	struct usb_device *dev = gspca_dev->dev;
	int i;

	i = 0;
	while (data[i][1] != 0) {
		reg_w_val(dev, data[i][1], data[i][0]);
		i++;
	}
}

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/* read 'len' bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
		  __u16 index, __u16 length)
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{
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	usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
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			0,			/* request */
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,			/* value */
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			index, gspca_dev->usb_buf, length, 500);
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}

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static void reg_w_buf(struct gspca_dev *gspca_dev,
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		      __u16 index, const __u8 *buffer, __u16 len)
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{
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	memcpy(gspca_dev->usb_buf, buffer, len);
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
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			0,			/* request */
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,			/* value */
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			index, gspca_dev->usb_buf, len, 500);
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}

static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
{
	int retry = 60;
	__u8 DataLow;
	__u8 DataHight;

	DataLow = valeur;
	DataHight = valeur >> 8;
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	reg_w_val(gspca_dev->dev, 0x8801, reg);
	reg_w_val(gspca_dev->dev, 0x8805, DataLow);
	reg_w_val(gspca_dev->dev, 0x8800, DataHight);
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	while (retry--) {
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		reg_r(gspca_dev, 0x8803, 1);
		if (!gspca_dev->usb_buf[0])
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			break;
	}
}

static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
{
	int retry = 60;
	__u8 value;
	__u8 vallsb;

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	reg_w_val(gspca_dev->dev, 0x8804, 0x92);
	reg_w_val(gspca_dev->dev, 0x8801, reg);
	reg_w_val(gspca_dev->dev, 0x8802, (mode | 0x01));
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	do {
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		reg_r(gspca_dev, 0x8803, 1);
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		if (!gspca_dev->usb_buf[0])
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			break;
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	} while (--retry);
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	if (retry == 0)
		return -1;
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	reg_r(gspca_dev, 0x8800, 1);
	value = gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8805, 1);
	vallsb = gspca_dev->usb_buf[0];
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	return ((int) value << 8) | vallsb;
}

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static const __u16 spca561_init_data[][2] = {
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	{0x0000, 0x8114},	/* Software GPIO output data */
	{0x0001, 0x8114},	/* Software GPIO output data */
	{0x0000, 0x8112},	/* Some kind of reset */
	{0x0003, 0x8701},	/* PCLK clock delay adjustment */
	{0x0001, 0x8703},	/* HSYNC from cmos inverted */
	{0x0011, 0x8118},	/* Enable and conf sensor */
	{0x0001, 0x8118},	/* Conf sensor */
	{0x0092, 0x8804},	/* I know nothing about these */
	{0x0010, 0x8802},	/* 0x88xx registers, so I won't */
	/***************/
	{0x000d, 0x8805},	/* sensor default setting */
	{0x0001, 0x8801},	/* 1 <- 0x0d */
	{0x0000, 0x8800},
	{0x0018, 0x8805},
	{0x0002, 0x8801},	/* 2 <- 0x18 */
	{0x0000, 0x8800},
	{0x0065, 0x8805},
	{0x0004, 0x8801},	/* 4 <- 0x01 0x65 */
	{0x0001, 0x8800},
	{0x0021, 0x8805},
	{0x0005, 0x8801},	/* 5 <- 0x21 */
	{0x0000, 0x8800},
	{0x00aa, 0x8805},
	{0x0007, 0x8801},	/* 7 <- 0xaa */
	{0x0000, 0x8800},
	{0x0004, 0x8805},
	{0x0020, 0x8801},	/* 0x20 <- 0x15 0x04 */
	{0x0015, 0x8800},
	{0x0002, 0x8805},
	{0x0039, 0x8801},	/* 0x39 <- 0x02 */
	{0x0000, 0x8800},
	{0x0010, 0x8805},
	{0x0035, 0x8801},	/* 0x35 <- 0x10 */
	{0x0000, 0x8800},
	{0x0049, 0x8805},
	{0x0009, 0x8801},	/* 0x09 <- 0x10 0x49 */
	{0x0010, 0x8800},
	{0x000b, 0x8805},
	{0x0028, 0x8801},	/* 0x28 <- 0x0b */
	{0x0000, 0x8800},
	{0x000f, 0x8805},
	{0x003b, 0x8801},	/* 0x3b <- 0x0f */
	{0x0000, 0x8800},
	{0x0000, 0x8805},
	{0x003c, 0x8801},	/* 0x3c <- 0x00 */
	{0x0000, 0x8800},
	/***************/
	{0x0018, 0x8601},	/* Pixel/line selection for color separation */
	{0x0000, 0x8602},	/* Optical black level for user setting */
	{0x0060, 0x8604},	/* Optical black horizontal offset */
	{0x0002, 0x8605},	/* Optical black vertical offset */
	{0x0000, 0x8603},	/* Non-automatic optical black level */
	{0x0002, 0x865b},	/* Horizontal offset for valid pixels */
	{0x0000, 0x865f},	/* Vertical valid pixels window (x2) */
	{0x00b0, 0x865d},	/* Horizontal valid pixels window (x2) */
	{0x0090, 0x865e},	/* Vertical valid lines window (x2) */
	{0x00e0, 0x8406},	/* Memory buffer threshold */
	{0x0000, 0x8660},	/* Compensation memory stuff */
	{0x0002, 0x8201},	/* Output address for r/w serial EEPROM */
	{0x0008, 0x8200},	/* Clear valid bit for serial EEPROM */
	{0x0001, 0x8200},	/* OprMode to be executed by hardware */
	{0x0007, 0x8201},	/* Output address for r/w serial EEPROM */
	{0x0008, 0x8200},	/* Clear valid bit for serial EEPROM */
	{0x0001, 0x8200},	/* OprMode to be executed by hardware */
	{0x0010, 0x8660},	/* Compensation memory stuff */
	{0x0018, 0x8660},	/* Compensation memory stuff */

	{0x0004, 0x8611},	/* R offset for white balance */
	{0x0004, 0x8612},	/* Gr offset for white balance */
	{0x0007, 0x8613},	/* B offset for white balance */
	{0x0000, 0x8614},	/* Gb offset for white balance */
	{0x008c, 0x8651},	/* R gain for white balance */
	{0x008c, 0x8652},	/* Gr gain for white balance */
	{0x00b5, 0x8653},	/* B gain for white balance */
	{0x008c, 0x8654},	/* Gb gain for white balance */
	{0x0002, 0x8502},	/* Maximum average bit rate stuff */

	{0x0011, 0x8802},
	{0x0087, 0x8700},	/* Set master clock (96Mhz????) */
	{0x0081, 0x8702},	/* Master clock output enable */

	{0x0000, 0x8500},	/* Set image type (352x288 no compression) */
	/* Originally was 0x0010 (352x288 compression) */

	{0x0002, 0x865b},	/* Horizontal offset for valid pixels */
	{0x0003, 0x865c},	/* Vertical offset for valid lines */
	/***************//* sensor active */
	{0x0003, 0x8801},	/* 0x03 <- 0x01 0x21 //289 */
	{0x0021, 0x8805},
	{0x0001, 0x8800},
	{0x0004, 0x8801},	/* 0x04 <- 0x01 0x65 //357 */
	{0x0065, 0x8805},
	{0x0001, 0x8800},
	{0x0005, 0x8801},	/* 0x05 <- 0x2f */
	{0x002f, 0x8805},
	{0x0000, 0x8800},
	{0x0006, 0x8801},	/* 0x06 <- 0 */
	{0x0000, 0x8805},
	{0x0000, 0x8800},
	{0x000a, 0x8801},	/* 0x0a <- 2 */
	{0x0002, 0x8805},
	{0x0000, 0x8800},
	{0x0009, 0x8801},	/* 0x09 <- 0x1061 */
	{0x0061, 0x8805},
	{0x0010, 0x8800},
	{0x0035, 0x8801},	/* 0x35 <-0x14 */
	{0x0014, 0x8805},
	{0x0000, 0x8800},
	{0x0030, 0x8112},	/* ISO and drop packet enable */
	{0x0000, 0x8112},	/* Some kind of reset ???? */
	{0x0009, 0x8118},	/* Enable sensor and set standby */
	{0x0000, 0x8114},	/* Software GPIO output data */
	{0x0000, 0x8114},	/* Software GPIO output data */
	{0x0001, 0x8114},	/* Software GPIO output data */
	{0x0000, 0x8112},	/* Some kind of reset ??? */
	{0x0003, 0x8701},
	{0x0001, 0x8703},
	{0x0011, 0x8118},
	{0x0001, 0x8118},
	/***************/
	{0x0092, 0x8804},
	{0x0010, 0x8802},
	{0x000d, 0x8805},
	{0x0001, 0x8801},
	{0x0000, 0x8800},
	{0x0018, 0x8805},
	{0x0002, 0x8801},
	{0x0000, 0x8800},
	{0x0065, 0x8805},
	{0x0004, 0x8801},
	{0x0001, 0x8800},
	{0x0021, 0x8805},
	{0x0005, 0x8801},
	{0x0000, 0x8800},
	{0x00aa, 0x8805},
	{0x0007, 0x8801},	/* mode 0xaa */
	{0x0000, 0x8800},
	{0x0004, 0x8805},
	{0x0020, 0x8801},
	{0x0015, 0x8800},	/* mode 0x0415 */
	{0x0002, 0x8805},
	{0x0039, 0x8801},
	{0x0000, 0x8800},
	{0x0010, 0x8805},
	{0x0035, 0x8801},
	{0x0000, 0x8800},
	{0x0049, 0x8805},
	{0x0009, 0x8801},
	{0x0010, 0x8800},
	{0x000b, 0x8805},
	{0x0028, 0x8801},
	{0x0000, 0x8800},
	{0x000f, 0x8805},
	{0x003b, 0x8801},
	{0x0000, 0x8800},
	{0x0000, 0x8805},
	{0x003c, 0x8801},
	{0x0000, 0x8800},
	{0x0002, 0x8502},
	{0x0039, 0x8801},
	{0x0000, 0x8805},
	{0x0000, 0x8800},

	{0x0087, 0x8700},	/* overwrite by start */
	{0x0081, 0x8702},
	{0x0000, 0x8500},
/*	{0x0010, 0x8500},  -- Previous line was this */
	{0x0002, 0x865b},
	{0x0003, 0x865c},
	/***************/
	{0x0003, 0x8801},	/* 0x121-> 289 */
	{0x0021, 0x8805},
	{0x0001, 0x8800},
	{0x0004, 0x8801},	/* 0x165 -> 357 */
	{0x0065, 0x8805},
	{0x0001, 0x8800},
	{0x0005, 0x8801},	/* 0x2f //blanking control colonne */
	{0x002f, 0x8805},
	{0x0000, 0x8800},
	{0x0006, 0x8801},	/* 0x00 //blanking mode row */
	{0x0000, 0x8805},
	{0x0000, 0x8800},
	{0x000a, 0x8801},	/* 0x01 //0x02 */
	{0x0001, 0x8805},
	{0x0000, 0x8800},
	{0x0009, 0x8801},	/* 0x1061 - setexposure times && pixel clock
				 * 0001 0 | 000 0110 0001 */
	{0x0061, 0x8805},	/* 61 31 */
	{0x0008, 0x8800},	/* 08 */
	{0x0035, 0x8801},	/* 0x14 - set gain general */
	{0x001f, 0x8805},	/* 0x14 */
	{0x0000, 0x8800},
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	{0x000e, 0x8112},	/* white balance - was 30 */
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	{}
};


/******************** QC Express etch2 stuff ********************/
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static const __u16 Pb100_1map8300[][2] = {
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	/* reg, value */
	{0x8320, 0x3304},

	{0x8303, 0x0125},	/* image area */
	{0x8304, 0x0169},
	{0x8328, 0x000b},
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	{0x833c, 0x0001},		/*fixme: win:07*/
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	{0x832f, 0x1904},		/*fixme: was 0419*/
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	{0x8307, 0x00aa},
	{0x8301, 0x0003},
	{0x8302, 0x000e},
	{}
};
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static const __u16 Pb100_2map8300[][2] = {
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	/* reg, value */
	{0x8339, 0x0000},
	{0x8307, 0x00aa},
	{}
};

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static const __u16 spca561_161rev12A_data1[][2] = {
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	{0x29, 0x8118},		/* white balance - was 21 */
	{0x08, 0x8114},		/* white balance - was 01 */
	{0x0e, 0x8112},		/* white balance - was 00 */
	{0x00, 0x8102},		/* white balance - new */
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	{0x92, 0x8804},
	{0x04, 0x8802},		/* windows uses 08 */
	{}
};
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static const __u16 spca561_161rev12A_data2[][2] = {
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	{0x21, 0x8118},
	{0x10, 0x8500},
	{0x07, 0x8601},
	{0x07, 0x8602},
	{0x04, 0x8501},
	{0x21, 0x8118},

	{0x07, 0x8201},		/* windows uses 02 */
	{0x08, 0x8200},
	{0x01, 0x8200},

	{0x00, 0x8114},
	{0x01, 0x8114},		/* windows uses 00 */

	{0x90, 0x8604},
	{0x00, 0x8605},
	{0xb0, 0x8603},

	/* sensor gains */
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	{0x07, 0x8601},		/* white balance - new */
	{0x07, 0x8602},		/* white balance - new */
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	{0x00, 0x8610},		/* *red */
	{0x00, 0x8611},		/* 3f   *green */
	{0x00, 0x8612},		/* green *blue */
	{0x00, 0x8613},		/* blue *green */
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	{0x43, 0x8614},		/* green *red - white balance - was 0x35 */
	{0x40, 0x8615},		/* 40   *green - white balance - was 0x35 */
	{0x71, 0x8616},		/* 7a   *blue - white balance - was 0x35 */
	{0x40, 0x8617},		/* 40   *green - white balance - was 0x35 */
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	{0x0c, 0x8620},		/* 0c */
	{0xc8, 0x8631},		/* c8 */
	{0xc8, 0x8634},		/* c8 */
	{0x23, 0x8635},		/* 23 */
	{0x1f, 0x8636},		/* 1f */
	{0xdd, 0x8637},		/* dd */
	{0xe1, 0x8638},		/* e1 */
	{0x1d, 0x8639},		/* 1d */
	{0x21, 0x863a},		/* 21 */
	{0xe3, 0x863b},		/* e3 */
	{0xdf, 0x863c},		/* df */
	{0xf0, 0x8505},
	{0x32, 0x850a},
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/*	{0x99, 0x8700},		 * - white balance - new (removed) */
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	{}
};

static void sensor_mapwrite(struct gspca_dev *gspca_dev,
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			    const __u16 sensormap[][2])
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{
	int i = 0;
	__u8 usbval[2];

	while (sensormap[i][0]) {
		usbval[0] = sensormap[i][1];
		usbval[1] = sensormap[i][1] >> 8;
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		reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
528 529 530 531 532
		i++;
	}
}
static void init_161rev12A(struct gspca_dev *gspca_dev)
{
533
/*	sensor_reset(gspca_dev);	(not in win) */
534 535
	write_vector(gspca_dev, spca561_161rev12A_data1);
	sensor_mapwrite(gspca_dev, Pb100_1map8300);
536
/*fixme: should be in sd_start*/
537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553
	write_vector(gspca_dev, spca561_161rev12A_data2);
	sensor_mapwrite(gspca_dev, Pb100_2map8300);
}

/* 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, product;
	__u8 data1, data2;

	/* Read frm global register the USB product and vendor IDs, just to
	 * prove that we can communicate with the device.  This works, which
	 * confirms at we are communicating properly and that the device
	 * is a 561. */
554 555 556 557
	reg_r(gspca_dev, 0x8104, 1);
	data1 = gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8105, 1);
	data2 = gspca_dev->usb_buf[0];
558
	vendor = (data2 << 8) | data1;
559 560 561 562
	reg_r(gspca_dev, 0x8106, 1);
	data1 = gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8107, 1);
	data2 = gspca_dev->usb_buf[0];
563 564 565 566 567
	product = (data2 << 8) | data1;
	if (vendor != id->idVendor || product != id->idProduct) {
		PDEBUG(D_PROBE, "Bad vendor / product from device");
		return -EINVAL;
	}
568

569 570 571
	cam = &gspca_dev->cam;
	cam->epaddr = 0x01;
	gspca_dev->nbalt = 7 + 1;	/* choose alternate 7 first */
572 573

	sd->chip_revision = id->driver_info;
574 575 576 577 578 579 580
	if (sd->chip_revision == Rev012A) {
		cam->cam_mode = sif_012a_mode;
		cam->nmodes = ARRAY_SIZE(sif_012a_mode);
	} else {
		cam->cam_mode = sif_072a_mode;
		cam->nmodes = ARRAY_SIZE(sif_072a_mode);
	}
581 582 583
	sd->brightness = BRIGHTNESS_DEF;
	sd->contrast = CONTRAST_DEF;
	sd->white = WHITE_DEF;
584 585 586
	sd->exposure = EXPOSURE_DEF;
	sd->autogain = AUTOGAIN_DEF;
	sd->gain = GAIN_DEF;
587
	sd->expo12a = EXPO12A_DEF;
588 589 590
	return 0;
}

591 592
/* this function is called at probe and resume time */
static int sd_init_12a(struct gspca_dev *gspca_dev)
593
{
594 595 596 597
	PDEBUG(D_STREAM, "Chip revision: 012a");
	init_161rev12A(gspca_dev);
	return 0;
}
598
static int sd_init_72a(struct gspca_dev *gspca_dev)
599 600 601
{
	PDEBUG(D_STREAM, "Chip revision: 072a");
	write_vector(gspca_dev, spca561_init_data);
602 603 604 605 606 607 608 609 610 611 612 613
	return 0;
}

static void setcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	__u8 lowb;

	switch (sd->chip_revision) {
	case Rev072A:
		lowb = sd->contrast >> 8;
614 615 616 617
		reg_w_val(dev, 0x8651, lowb);
		reg_w_val(dev, 0x8652, lowb);
		reg_w_val(dev, 0x8653, lowb);
		reg_w_val(dev, 0x8654, lowb);
618
		break;
619 620
	default: {
/*	case Rev012A: { */
621 622 623
		static const __u8 Reg8391[] =
			{ 0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00 };

624 625
		reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
		reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
626 627 628 629 630
		break;
	    }
	}
}

631
/* rev12a only */
632 633 634 635 636 637
static void setwhite(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 white;
	__u8 reg8614, reg8616;

638 639
	white = sd->white;
	/* try to emulate MS-win as possible */
640
	reg8616 = 0x90 - white * 5 / 8;
641
	reg_w_val(gspca_dev->dev, 0x8616, reg8616);
642
	reg8614 = 0x20 + white * 3 / 8;
643 644 645 646 647 648 649
	reg_w_val(gspca_dev->dev, 0x8614, reg8614);
}

/* rev 12a only */
static void setexposure(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
650
	int expo;
651
	int clock_divider;
652
	__u8 data[2];
653

654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675
	/* Register 0x8309 controls exposure for the spca561,
	   the basic exposure setting goes from 1-2047, where 1 is completely
	   dark and 2047 is very bright. It not only influences exposure but
	   also the framerate (to allow for longer exposure) from 1 - 300 it
	   only raises the exposure time then from 300 - 600 it halves the
	   framerate to be able to further raise the exposure time and for every
	   300 more it halves the framerate again. This allows for a maximum
	   exposure time of circa 0.2 - 0.25 seconds (30 / (2000/3000) fps).
	   Sometimes this is not enough, the 1-2047 uses bits 0-10, bits 11-12
	   configure a divider for the base framerate which us used at the
	   exposure setting of 1-300. These bits configure the base framerate
	   according to the following formula: fps = 60 / (value + 2) */
	if (sd->exposure < 2048) {
		expo = sd->exposure;
		clock_divider = 0;
	} else {
		/* Add 900 to make the 0 setting of the second part of the
		   exposure equal to the 2047 setting of the first part. */
		expo = (sd->exposure - 2048) + 900;
		clock_divider = 3;
	}
	expo |= clock_divider << 11;
676 677
	data[0] = expo;
	data[1] = expo >> 8;
678
	reg_w_buf(gspca_dev, 0x8309, data, 2);
679 680 681 682 683 684
}

/* rev 12a only */
static void setgain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
685
	__u8 data[2];
686

687 688 689
	data[0] = sd->gain;
	data[1] = 0;
	reg_w_buf(gspca_dev, 0x8335, data, 2);
690 691
}

692 693 694 695
static void setautogain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

696 697 698 699
	if (sd->autogain)
		sd->ag_cnt = AG_CNT_START;
	else
		sd->ag_cnt = -1;
700 701
}

702
static int sd_start_12a(struct gspca_dev *gspca_dev)
703 704
{
	struct usb_device *dev = gspca_dev->dev;
705
	int Clck = 0x8a; /* lower 0x8X values lead to fps > 30 */
706 707 708
	__u8 Reg8307[] = { 0xaa, 0x00 };
	int mode;

709
	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725
	if (mode <= 1) {
		/* Use compression on 320x240 and above */
		reg_w_val(dev, 0x8500, 0x10 | mode);
	} else {
		/* I couldn't get the compression to work below 320x240
		 * Fortunately at these resolutions the bandwidth
		 * is sufficient to push raw frames at ~20fps */
		reg_w_val(dev, 0x8500, mode);
	}		/* -- qq@kuku.eu.org */
	reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
	reg_w_val(gspca_dev->dev, 0x8700, Clck);
					/* 0x8f 0x85 0x27 clock */
	reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
	reg_w_val(gspca_dev->dev, 0x850b, 0x03);
	setcontrast(gspca_dev);
	setwhite(gspca_dev);
726
	setautogain(gspca_dev);
727
	setexposure(gspca_dev);
728
	return 0;
729
}
730
static int sd_start_72a(struct gspca_dev *gspca_dev)
731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
{
	struct usb_device *dev = gspca_dev->dev;
	int Clck;
	int mode;

	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
	switch (mode) {
	default:
/*	case 0:
	case 1: */
		Clck = 0x25;
		break;
	case 2:
		Clck = 0x22;
		break;
	case 3:
		Clck = 0x21;
748 749
		break;
	}
750 751 752 753
	reg_w_val(dev, 0x8500, mode);	/* mode */
	reg_w_val(dev, 0x8700, Clck);	/* 0x27 clock */
	reg_w_val(dev, 0x8112, 0x10 | 0x20);
	setautogain(gspca_dev);
754
	return 0;
755 756 757 758
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
759 760 761 762 763 764 765 766
	struct sd *sd = (struct sd *) gspca_dev;

	if (sd->chip_revision == Rev012A) {
		reg_w_val(gspca_dev->dev, 0x8112, 0x0e);
	} else {
		reg_w_val(gspca_dev->dev, 0x8112, 0x20);
/*		reg_w_val(gspca_dev->dev, 0x8102, 0x00); ?? */
	}
767 768 769 770
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
771 772 773 774 775 776
	struct sd *sd = (struct sd *) gspca_dev;

	if (sd->chip_revision == Rev012A) {
		reg_w_val(gspca_dev->dev, 0x8118, 0x29);
		reg_w_val(gspca_dev->dev, 0x8114, 0x08);
	}
777
/*	reg_w_val(gspca_dev->dev, 0x8114, 0); */
778 779
}

780
static void do_autogain(struct gspca_dev *gspca_dev)
781 782
{
	struct sd *sd = (struct sd *) gspca_dev;
783 784 785
	int expotimes;
	int pixelclk;
	int gainG;
786 787 788 789 790
	__u8 R, Gr, Gb, B;
	int y;
	__u8 luma_mean = 110;
	__u8 luma_delta = 20;
	__u8 spring = 4;
791
	__u8 reg8339[2];
792

793 794 795 796 797 798
	if (sd->ag_cnt < 0)
		return;
	if (--sd->ag_cnt >= 0)
		return;
	sd->ag_cnt = AG_CNT_START;

799 800
	switch (sd->chip_revision) {
	case Rev072A:
801 802 803 804 805 806 807 808
		reg_r(gspca_dev, 0x8621, 1);
		Gr = gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8622, 1);
		R = gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8623, 1);
		B = gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8624, 1);
		Gb = gspca_dev->usb_buf[0];
809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845
		y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
		/* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
		/* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
		/* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */

		if (y < luma_mean - luma_delta ||
		    y > luma_mean + luma_delta) {
			expotimes = i2c_read(gspca_dev, 0x09, 0x10);
			pixelclk = 0x0800;
			expotimes = expotimes & 0x07ff;
			/* PDEBUG(D_PACK,
				"Exposition Times 0x%03X Clock 0x%04X ",
				expotimes,pixelclk); */
			gainG = i2c_read(gspca_dev, 0x35, 0x10);
			/* PDEBUG(D_PACK,
				"reading Gain register %d", gainG); */

			expotimes += (luma_mean - y) >> spring;
			gainG += (luma_mean - y) / 50;
			/* PDEBUG(D_PACK,
				"compute expotimes %d gain %d",
				expotimes,gainG); */

			if (gainG > 0x3f)
				gainG = 0x3f;
			else if (gainG < 4)
				gainG = 3;
			i2c_write(gspca_dev, gainG, 0x35);

			if (expotimes >= 0x0256)
				expotimes = 0x0256;
			else if (expotimes < 4)
				expotimes = 3;
			i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
		}
		break;
	case Rev012A:
846 847 848 849 850 851 852 853 854 855
		reg_r(gspca_dev, 0x8330, 2);
		if (gspca_dev->usb_buf[1] > 0x08) {
			reg8339[0] = ++sd->expo12a;
			reg8339[1] = 0;
			reg_w_buf(gspca_dev, 0x8339, reg8339, 2);
		} else if (gspca_dev->usb_buf[1] < 0x02) {
			reg8339[0] = --sd->expo12a;
			reg8339[1] = 0;
			reg_w_buf(gspca_dev, 0x8339, reg8339, 2);
		}
856 857 858 859 860 861 862 863 864
		break;
	}
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			struct gspca_frame *frame, /* target */
			__u8 *data,		/* isoc packet */
			int len)		/* iso packet length */
{
865 866
	struct sd *sd = (struct sd *) gspca_dev;

867 868 869 870 871 872 873 874 875 876 877
	switch (data[0]) {
	case 0:		/* start of frame */
		frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
					data, 0);
		data += SPCA561_OFFSET_DATA;
		len -= SPCA561_OFFSET_DATA;
		if (data[1] & 0x10) {
			/* compressed bayer */
			gspca_frame_add(gspca_dev, FIRST_PACKET,
					frame, data, len);
		} else {
878
			/* raw bayer (with a header, which we skip) */
879 880 881 882 883 884 885
			if (sd->chip_revision == Rev012A) {
				data += 20;
				len -= 20;
			} else {
				data += 16;
				len -= 16;
			}
886 887 888 889 890 891 892 893 894 895 896 897 898
			gspca_frame_add(gspca_dev, FIRST_PACKET,
						frame, data, len);
		}
		return;
	case 0xff:		/* drop */
/*		gspca_dev->last_packet_type = DISCARD_PACKET; */
		return;
	}
	data++;
	len--;
	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
}

899
/* rev 72a only */
900 901 902 903 904
static void setbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 value;

905 906 907 908 909
	value = sd->brightness;
	reg_w_val(gspca_dev->dev, 0x8611, value);
	reg_w_val(gspca_dev->dev, 0x8612, value);
	reg_w_val(gspca_dev->dev, 0x8613, value);
	reg_w_val(gspca_dev->dev, 0x8614, value);
910 911 912 913 914 915 916
}

static void getbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 tot;

917 918 919 920 921 922 923 924 925 926
	tot = 0;
	reg_r(gspca_dev, 0x8611, 1);
	tot += gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8612, 1);
	tot += gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8613, 1);
	tot += gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8614, 1);
	tot += gspca_dev->usb_buf[0];
	sd->brightness = tot >> 2;
927 928
}

929
/* rev72a only */
930 931 932 933 934
static void getcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 tot;

935 936 937 938 939 940 941 942 943 944
	tot = 0;
	reg_r(gspca_dev, 0x8651, 1);
	tot += gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8652, 1);
	tot += gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8653, 1);
	tot += gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8654, 1);
	tot += gspca_dev->usb_buf[0];
	sd->contrast = tot << 6;
945 946 947
	PDEBUG(D_CONF, "get contrast %d", sd->contrast);
}

948
/* rev 72a only */
949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967
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;
}

968
/* rev 72a only */
969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
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;

	getcontrast(gspca_dev);
	*val = sd->contrast;
	return 0;
}

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

	sd->autogain = val;
993 994
	if (gspca_dev->streaming)
		setautogain(gspca_dev);
995 996 997 998 999 1000 1001 1002 1003 1004 1005
	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;
}

1006
/* rev12a only */
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->white = val;
	if (gspca_dev->streaming)
		setwhite(gspca_dev);
	return 0;
}

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

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

1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
/* rev12a only */
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->exposure = val;
	if (gspca_dev->streaming)
		setexposure(gspca_dev);
	return 0;
}

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

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

/* rev12a only */
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->gain = val;
	if (gspca_dev->streaming)
		setgain(gspca_dev);
	return 0;
}

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

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

/* control tables */
static struct ctrl sd_ctrls_12a[] = {
	{
	    {
		.id = V4L2_CID_DO_WHITE_BALANCE,
		.type = V4L2_CTRL_TYPE_INTEGER,
1069
		.name = "White Balance",
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
		.minimum = WHITE_MIN,
		.maximum = WHITE_MAX,
		.step = 1,
		.default_value = WHITE_DEF,
	    },
	    .set = sd_setwhite,
	    .get = sd_getwhite,
	},
	{
	    {
		.id = V4L2_CID_EXPOSURE,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "Exposure",
		.minimum = EXPOSURE_MIN,
		.maximum = EXPOSURE_MAX,
		.step = 1,
		.default_value = EXPOSURE_DEF,
	    },
	    .set = sd_setexposure,
	    .get = sd_getexposure,
	},
	{
	    {
		.id = V4L2_CID_AUTOGAIN,
		.type = V4L2_CTRL_TYPE_BOOLEAN,
		.name = "Auto Gain",
		.minimum = AUTOGAIN_MIN,
		.maximum = AUTOGAIN_MAX,
		.step = 1,
		.default_value = AUTOGAIN_DEF,
	    },
	    .set = sd_setautogain,
	    .get = sd_getautogain,
	},
	{
	    {
		.id = V4L2_CID_GAIN,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "Gain",
		.minimum = GAIN_MIN,
		.maximum = GAIN_MAX,
		.step = 1,
		.default_value = GAIN_DEF,
	    },
	    .set = sd_setgain,
	    .get = sd_getgain,
	},
};

static struct ctrl sd_ctrls_72a[] = {
	{
	   {
		.id = V4L2_CID_BRIGHTNESS,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "Brightness",
		.minimum = BRIGHTNESS_MIN,
		.maximum = BRIGHTNESS_MAX,
		.step = 1,
		.default_value = BRIGHTNESS_DEF,
	    },
	    .set = sd_setbrightness,
	    .get = sd_getbrightness,
	},
	{
	    {
		.id = V4L2_CID_CONTRAST,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "Contrast",
		.minimum = CONTRAST_MIN,
		.maximum = CONTRAST_MAX,
		.step = 1,
		.default_value = CONTRAST_DEF,
	    },
	    .set = sd_setcontrast,
	    .get = sd_getcontrast,
	},
	{
	    {
		.id = V4L2_CID_AUTOGAIN,
		.type = V4L2_CTRL_TYPE_BOOLEAN,
		.name = "Auto Gain",
		.minimum = AUTOGAIN_MIN,
		.maximum = AUTOGAIN_MAX,
		.step = 1,
		.default_value = AUTOGAIN_DEF,
	    },
	    .set = sd_setautogain,
	    .get = sd_getautogain,
	},
};

1161
/* sub-driver description */
1162
static const struct sd_desc sd_desc_12a = {
1163
	.name = MODULE_NAME,
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	.ctrls = sd_ctrls_12a,
	.nctrls = ARRAY_SIZE(sd_ctrls_12a),
1166
	.config = sd_config,
1167
	.init = sd_init_12a,
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	.start = sd_start_12a,
	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.pkt_scan = sd_pkt_scan,
/*	.dq_callback = do_autogain,	 * fixme */
};
static const struct sd_desc sd_desc_72a = {
	.name = MODULE_NAME,
	.ctrls = sd_ctrls_72a,
	.nctrls = ARRAY_SIZE(sd_ctrls_72a),
	.config = sd_config,
1179
	.init = sd_init_72a,
1180
	.start = sd_start_72a,
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	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.pkt_scan = sd_pkt_scan,
1184
	.dq_callback = do_autogain,
1185
};
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static const struct sd_desc *sd_desc[2] = {
	&sd_desc_12a,
	&sd_desc_72a
};
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/* -- module initialisation -- */
1192
static const __devinitdata struct usb_device_id device_table[] = {
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	{USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
	{USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
	{USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
	{USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x092b), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x092c), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x092d), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x092e), .driver_info = Rev012A},
	{USB_DEVICE(0x046d, 0x092f), .driver_info = Rev012A},
	{USB_DEVICE(0x04fc, 0x0561), .driver_info = Rev072A},
	{USB_DEVICE(0x060b, 0xa001), .driver_info = Rev072A},
	{USB_DEVICE(0x10fd, 0x7e50), .driver_info = Rev072A},
	{USB_DEVICE(0xabcd, 0xcdee), .driver_info = Rev072A},
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	{}
};

MODULE_DEVICE_TABLE(usb, device_table);

/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
		    const struct usb_device_id *id)
{
1217 1218 1219
	return gspca_dev_probe(intf, id,
				sd_desc[id->driver_info],
				sizeof(struct sd),
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			       THIS_MODULE);
}

static struct usb_driver sd_driver = {
	.name = MODULE_NAME,
	.id_table = device_table,
	.probe = sd_probe,
	.disconnect = gspca_disconnect,
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#ifdef CONFIG_PM
	.suspend = gspca_suspend,
	.resume = gspca_resume,
#endif
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};

/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
	if (usb_register(&sd_driver) < 0)
		return -1;
1239
	PDEBUG(D_PROBE, "registered");
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	return 0;
}
static void __exit sd_mod_exit(void)
{
	usb_deregister(&sd_driver);
	PDEBUG(D_PROBE, "deregistered");
}

module_init(sd_mod_init);
module_exit(sd_mod_exit);