[mirror_ubuntu-artful-kernel.git] / drivers / media / video / gspca / pac207.c

/*
 * Pixart PAC207BCA library
 *
 * Copyright (C) 2008 Hans de Goede <j.w.r.degoede@hhs.nl>
 * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li
 * Copyleft (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
 * (at your option) 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 "pac207"

#include "gspca.h"

#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(2, 1, 7)
static const char version[] = "2.1.7";

MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
MODULE_DESCRIPTION("Pixart PAC207");
MODULE_LICENSE("GPL");

#define PAC207_CTRL_TIMEOUT		100  /* ms */

#define PAC207_BRIGHTNESS_MIN		0
#define PAC207_BRIGHTNESS_MAX		255
#define PAC207_BRIGHTNESS_DEFAULT	4 /* power on default: 4 */

/* An exposure value of 4 also works (3 does not) but then we need to lower
   the compression balance setting when in 352x288 mode, otherwise the usb
   bandwidth is not enough and packets get dropped resulting in corrupt
   frames. The problem with this is that when the compression balance gets
   lowered below 0x80, the pac207 starts using a different compression
   algorithm for some lines, these lines get prefixed with a 0x2dd2 prefix
   and currently we do not know how to decompress these lines, so for now
   we use a minimum exposure value of 5 */
#define PAC207_EXPOSURE_MIN		5
#define PAC207_EXPOSURE_MAX		26
#define PAC207_EXPOSURE_DEFAULT		5 /* power on default: 3 ?? */
#define PAC207_EXPOSURE_KNEE		11 /* 4 = 30 fps, 11 = 8, 15 = 6 */

#define PAC207_GAIN_MIN			0
#define PAC207_GAIN_MAX			31
#define PAC207_GAIN_DEFAULT         	9 /* power on default: 9 */
#define PAC207_GAIN_KNEE		20

#define PAC207_AUTOGAIN_DEADZONE	30
/* We calculating the autogain at the end of the transfer of a frame, at this
   moment a frame with the old settings is being transmitted, and a frame is
   being captured with the old settings. So if we adjust the autogain we must
   ignore atleast the 2 next frames for the new settings to come into effect
   before doing any other adjustments */
#define PAC207_AUTOGAIN_IGNORE_FRAMES	3

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

	u8 mode;

	u8 brightness;
	u8 exposure;
	u8 autogain;
	u8 gain;

	u8 sof_read;
	u8 header_read;
	u8 autogain_ignore_frames;

	atomic_t avg_lum;
};

/* 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_setexposure(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getexposure(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 int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getgain(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 = PAC207_BRIGHTNESS_MIN,
		.maximum = PAC207_BRIGHTNESS_MAX,
		.step = 1,
		.default_value = PAC207_BRIGHTNESS_DEFAULT,
		.flags = 0,
	    },
	    .set = sd_setbrightness,
	    .get = sd_getbrightness,
	},
#define SD_EXPOSURE 1
	{
	    {
		.id = V4L2_CID_EXPOSURE,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "exposure",
		.minimum = PAC207_EXPOSURE_MIN,
		.maximum = PAC207_EXPOSURE_MAX,
		.step = 1,
		.default_value = PAC207_EXPOSURE_DEFAULT,
		.flags = 0,
	    },
	    .set = sd_setexposure,
	    .get = sd_getexposure,
	},
#define SD_AUTOGAIN 2
	{
	    {
		.id	  = V4L2_CID_AUTOGAIN,
		.type	= V4L2_CTRL_TYPE_BOOLEAN,
		.name	= "Auto Gain",
		.minimum = 0,
		.maximum = 1,
		.step	= 1,
		.default_value = 1,
		.flags = 0,
	    },
	    .set = sd_setautogain,
	    .get = sd_getautogain,
	},
#define SD_GAIN 3
	{
	    {
		.id = V4L2_CID_GAIN,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "gain",
		.minimum = PAC207_GAIN_MIN,
		.maximum = PAC207_GAIN_MAX,
		.step = 1,
		.default_value = PAC207_GAIN_DEFAULT,
		.flags = 0,
	    },
	    .set = sd_setgain,
	    .get = sd_getgain,
	},
};

static struct v4l2_pix_format sif_mode[] = {
	{176, 144, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = (176 + 2) * 144,
			/* uncompressed, add 2 bytes / line for line header */
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{352, 288, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE,
		.bytesperline = 352,
			/* compressed, but only when needed (not compressed
			   when the framerate is low) */
		.sizeimage = (352 + 2) * 288,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

static const __u8 pac207_sensor_init[][8] = {
	{0x10, 0x12, 0x0d, 0x12, 0x0c, 0x01, 0x29, 0xf0},
	{0x00, 0x64, 0x64, 0x64, 0x04, 0x10, 0xf0, 0x30},
	{0x00, 0x00, 0x00, 0x70, 0xa0, 0xf8, 0x00, 0x00},
	{0x00, 0x00, 0x32, 0x00, 0x96, 0x00, 0xa2, 0x02},
	{0x32, 0x00, 0x96, 0x00, 0xA2, 0x02, 0xaf, 0x00},
};

			/* 48 reg_72 Rate Control end BalSize_4a =0x36 */
static const __u8 PacReg72[] = { 0x00, 0x00, 0x36, 0x00 };

static const unsigned char pac207_sof_marker[5] =
		{ 0xff, 0xff, 0x00, 0xff, 0x96 };

static int pac207_write_regs(struct gspca_dev *gspca_dev, u16 index,
	const u8 *buffer, u16 length)
{
	struct usb_device *udev = gspca_dev->dev;
	int err;

	memcpy(gspca_dev->usb_buf, buffer, length);

	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			0x00, index,
			gspca_dev->usb_buf, length, PAC207_CTRL_TIMEOUT);
	if (err < 0)
		PDEBUG(D_ERR,
			"Failed to write registers to index 0x%04X, error %d)",
			index, err);

	return err;
}


int pac207_write_reg(struct gspca_dev *gspca_dev, u16 index, u16 value)
{
	struct usb_device *udev = gspca_dev->dev;
	int err;

	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			value, index, NULL, 0, PAC207_CTRL_TIMEOUT);
	if (err)
		PDEBUG(D_ERR, "Failed to write a register (index 0x%04X,"
			" value 0x%02X, error %d)", index, value, err);

	return err;
}


int pac207_read_reg(struct gspca_dev *gspca_dev, u16 index)
{
	struct usb_device *udev = gspca_dev->dev;
	int res;

	res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			0x00, index,
			gspca_dev->usb_buf, 1, PAC207_CTRL_TIMEOUT);
	if (res < 0) {
		PDEBUG(D_ERR,
			"Failed to read a register (index 0x%04X, error %d)",
			index, res);
		return res;
	}

	return gspca_dev->usb_buf[0];
}

/* 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;
	u8 idreg[2];

	idreg[0] = pac207_read_reg(gspca_dev, 0x0000);
	idreg[1] = pac207_read_reg(gspca_dev, 0x0001);
	idreg[0] = ((idreg[0] & 0x0F) << 4) | ((idreg[1] & 0xf0) >> 4);
	idreg[1] = idreg[1] & 0x0f;
	PDEBUG(D_PROBE, "Pixart Sensor ID 0x%02X Chips ID 0x%02X",
		idreg[0], idreg[1]);

	if (idreg[0] != 0x27) {
		PDEBUG(D_PROBE, "Error invalid sensor ID!");
		return -ENODEV;
	}

	pac207_write_reg(gspca_dev, 0x41, 0x00);
				/* Bit_0=Image Format,
				 * Bit_1=LED,
				 * Bit_2=Compression test mode enable */
	pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */
	pac207_write_reg(gspca_dev, 0x11, 0x30); /* Analog Bias */

	PDEBUG(D_PROBE,
		"Pixart PAC207BCA Image Processor and Control Chip detected"
		" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);

	cam = &gspca_dev->cam;
	cam->dev_name = (char *) id->driver_info;
	cam->epaddr = 0x05;
	cam->cam_mode = sif_mode;
	cam->nmodes = ARRAY_SIZE(sif_mode);
	sd->brightness = PAC207_BRIGHTNESS_DEFAULT;
	sd->exposure = PAC207_EXPOSURE_DEFAULT;
	sd->gain = PAC207_GAIN_DEFAULT;

	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;

	sd->autogain = 1;
	return 0;
}

/* -- start the camera -- */
static void sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 mode;

	pac207_write_reg(gspca_dev, 0x0f, 0x10); /* Power control (Bit 6-0) */
	pac207_write_regs(gspca_dev, 0x0002, pac207_sensor_init[0], 8);
	pac207_write_regs(gspca_dev, 0x000a, pac207_sensor_init[1], 8);
	pac207_write_regs(gspca_dev, 0x0012, pac207_sensor_init[2], 8);
	pac207_write_regs(gspca_dev, 0x0040, pac207_sensor_init[3], 8);
	pac207_write_regs(gspca_dev, 0x0042, pac207_sensor_init[4], 8);
	pac207_write_regs(gspca_dev, 0x0048, PacReg72, 4);

	/* Compression Balance */
	if (gspca_dev->width == 176)
		pac207_write_reg(gspca_dev, 0x4a, 0xff);
	else
		pac207_write_reg(gspca_dev, 0x4a, 0x88);
	pac207_write_reg(gspca_dev, 0x4b, 0x00); /* Sram test value */
	pac207_write_reg(gspca_dev, 0x08, sd->brightness);

	/* PGA global gain (Bit 4-0) */
	pac207_write_reg(gspca_dev, 0x0e, sd->gain);
	pac207_write_reg(gspca_dev, 0x02, sd->exposure); /* PXCK = 12MHz /n */

	mode = 0x02; /* Image Format (Bit 0), LED (1), Compr. test mode (2) */
	if (gspca_dev->width == 176) {	/* 176x144 */
		mode |= 0x01;
		PDEBUG(D_STREAM, "pac207_start mode 176x144");
	} else {				/* 352x288 */
		PDEBUG(D_STREAM, "pac207_start mode 352x288");
	}
	pac207_write_reg(gspca_dev, 0x41, mode);

	pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */
	pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */
	msleep(10);
	pac207_write_reg(gspca_dev, 0x40, 0x01); /* Start ISO pipe */

	sd->sof_read = 0;
	sd->autogain_ignore_frames = 0;
	atomic_set(&sd->avg_lum, -1);
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	pac207_write_reg(gspca_dev, 0x40, 0x00); /* Stop ISO pipe */
	pac207_write_reg(gspca_dev, 0x41, 0x00); /* Turn of LED */
	pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
}

/* this function is called at close time */
static void sd_close(struct gspca_dev *gspca_dev)
{
}

static void pac207_do_auto_gain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int avg_lum = atomic_read(&sd->avg_lum);

	if (avg_lum == -1)
		return;

	if (sd->autogain_ignore_frames > 0)
		sd->autogain_ignore_frames--;
	else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
			100 + sd->brightness / 2, PAC207_AUTOGAIN_DEADZONE,
			PAC207_GAIN_KNEE, PAC207_EXPOSURE_KNEE))
		sd->autogain_ignore_frames = PAC207_AUTOGAIN_IGNORE_FRAMES;
}

static unsigned char *pac207_find_sof(struct gspca_dev *gspca_dev,
					unsigned char *m, int len)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i;

	/* Search for the SOF marker (fixed part) in the header */
	for (i = 0; i < len; i++) {
		if (m[i] == pac207_sof_marker[sd->sof_read]) {
			sd->sof_read++;
			if (sd->sof_read == sizeof(pac207_sof_marker)) {
				PDEBUG(D_STREAM,
					"SOF found, bytes to analyze: %u."
					" Frame starts at byte #%u",
					len, i + 1);
				sd->sof_read = 0;
				return m + i + 1;
			}
		} else {
			sd->sof_read = 0;
		}
	}

	return NULL;
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			struct gspca_frame *frame,
			__u8 *data,
			int len)
{
	struct sd *sd = (struct sd *) gspca_dev;
	unsigned char *sof;

	sof = pac207_find_sof(gspca_dev, data, len);
	if (sof) {
		int n;

		/* finish decoding current frame */
		n = sof - data;
		if (n > sizeof pac207_sof_marker)
			n -= sizeof pac207_sof_marker;
		else
			n = 0;
		frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
					data, n);
		sd->header_read = 0;
		gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0);
		len -= sof - data;
		data = sof;
	}
	if (sd->header_read < 11) {
		int needed;

		/* get average lumination from frame header (byte 5) */
		if (sd->header_read < 5) {
			needed = 5 - sd->header_read;
			if (len >= needed)
				atomic_set(&sd->avg_lum, data[needed - 1]);
		}
		/* skip the rest of the header */
		needed = 11 - sd->header_read;
		if (len <= needed) {
			sd->header_read += len;
			return;
		}
		data += needed;
		len -= needed;
		sd->header_read = 11;
	}

	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
}

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

	pac207_write_reg(gspca_dev, 0x08, sd->brightness);
	pac207_write_reg(gspca_dev, 0x13, 0x01);	/* Bit 0, auto clear */
	pac207_write_reg(gspca_dev, 0x1c, 0x01);	/* not documented */
}

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

	pac207_write_reg(gspca_dev, 0x02, sd->exposure);
	pac207_write_reg(gspca_dev, 0x13, 0x01);	/* Bit 0, auto clear */
	pac207_write_reg(gspca_dev, 0x1c, 0x01);	/* not documented */
}

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

	pac207_write_reg(gspca_dev, 0x0e, sd->gain);
	pac207_write_reg(gspca_dev, 0x13, 0x01);	/* Bit 0, auto clear */
	pac207_write_reg(gspca_dev, 0x1c, 0x01);	/* not documented */
}

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;

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

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;
}

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;
}

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

	sd->autogain = val;
	/* when switching to autogain set defaults to make sure
	   we are on a valid point of the autogain gain /
	   exposure knee graph, and give this change time to
	   take effect before doing autogain. */
	if (sd->autogain) {
		sd->exposure = PAC207_EXPOSURE_DEFAULT;
		sd->gain = PAC207_GAIN_DEFAULT;
		if (gspca_dev->streaming) {
			sd->autogain_ignore_frames =
				PAC207_AUTOGAIN_IGNORE_FRAMES;
			setexposure(gspca_dev);
			setgain(gspca_dev);
		}
	}

	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 const 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,
	.dq_callback = pac207_do_auto_gain,
	.pkt_scan = sd_pkt_scan,
};

/* -- module initialisation -- */
#define DVNM(name) .driver_info = (kernel_ulong_t) name
static const __devinitdata struct usb_device_id device_table[] = {
	{USB_DEVICE(0x041e, 0x4028), DVNM("Creative Webcam Vista Plus")},
	{USB_DEVICE(0x093a, 0x2460), DVNM("Q-Tec Webcam 100")},
	{USB_DEVICE(0x093a, 0x2463), DVNM("Philips spc200nc pac207")},
	{USB_DEVICE(0x093a, 0x2464), DVNM("Labtec Webcam 1200")},
	{USB_DEVICE(0x093a, 0x2468), DVNM("PAC207")},
	{USB_DEVICE(0x093a, 0x2470), DVNM("Genius GF112")},
	{USB_DEVICE(0x093a, 0x2471), DVNM("Genius VideoCam GE111")},
	{USB_DEVICE(0x093a, 0x2472), DVNM("Genius VideoCam GE110")},
	{USB_DEVICE(0x2001, 0xf115), DVNM("D-Link DSB-C120")},
	{}
};
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;
	PDEBUG(D_PROBE, "v%s registered", version);
	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);
Commit	Line	Data
e2997a72 HG	1	/*
	2	* Pixart PAC207BCA library
	3	*
	4	* Copyright (C) 2008 Hans de Goede <j.w.r.degoede@hhs.nl>
	5	* Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li
	6	* Copyleft (C) 2005 Michel Xhaard mxhaard@magic.fr
	7	*
	8	* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2 of the License, or
	13	* (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*
	24	*/
	25
	26	#define MODULE_NAME "pac207"
	27
	28	#include "gspca.h"
	29
739570bb JFM	30	#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7)
739570bb JFM	31	static const char version[] = "2.1.7";
e2997a72 HG	32
	33	MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
	34	MODULE_DESCRIPTION("Pixart PAC207");
	35	MODULE_LICENSE("GPL");
	36
	37	#define PAC207_CTRL_TIMEOUT 100 /* ms */
	38
	39	#define PAC207_BRIGHTNESS_MIN 0
	40	#define PAC207_BRIGHTNESS_MAX 255
	41	#define PAC207_BRIGHTNESS_DEFAULT 4 /* power on default: 4 */
	42
46ccdafa HG	43	/* An exposure value of 4 also works (3 does not) but then we need to lower
	44	the compression balance setting when in 352x288 mode, otherwise the usb
	45	bandwidth is not enough and packets get dropped resulting in corrupt
	46	frames. The problem with this is that when the compression balance gets
	47	lowered below 0x80, the pac207 starts using a different compression
	48	algorithm for some lines, these lines get prefixed with a 0x2dd2 prefix
	49	and currently we do not know how to decompress these lines, so for now
	50	we use a minimum exposure value of 5 */
	51	#define PAC207_EXPOSURE_MIN 5
e2997a72	52	#define PAC207_EXPOSURE_MAX 26
46ccdafa	53	#define PAC207_EXPOSURE_DEFAULT 5 /* power on default: 3 ?? */
e2997a72 HG	54	#define PAC207_EXPOSURE_KNEE 11 /* 4 = 30 fps, 11 = 8, 15 = 6 */
	55
	56	#define PAC207_GAIN_MIN 0
	57	#define PAC207_GAIN_MAX 31
	58	#define PAC207_GAIN_DEFAULT 9 /* power on default: 9 */
	59	#define PAC207_GAIN_KNEE 20
	60
	61	#define PAC207_AUTOGAIN_DEADZONE 30
	62	/* We calculating the autogain at the end of the transfer of a frame, at this
	63	moment a frame with the old settings is being transmitted, and a frame is
	64	being captured with the old settings. So if we adjust the autogain we must
	65	ignore atleast the 2 next frames for the new settings to come into effect
	66	before doing any other adjustments */
	67	#define PAC207_AUTOGAIN_IGNORE_FRAMES 3
	68
e2997a72 HG	69	/* specific webcam descriptor */
	70	struct sd {
	71	struct gspca_dev gspca_dev; /* !! must be the first item */
	72
e2997a72 HG	73	u8 mode;
	74
	75	u8 brightness;
	76	u8 exposure;
	77	u8 autogain;
	78	u8 gain;
	79
	80	u8 sof_read;
ab8f12cf	81	u8 header_read;
e2997a72 HG	82	u8 autogain_ignore_frames;
	83
	84	atomic_t avg_lum;
	85	};
	86
	87	/* V4L2 controls supported by the driver */
	88	static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
	89	static int sd_getbrightness(struct gspca_dev gspca_dev, __s32 val);
	90	static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
	91	static int sd_getexposure(struct gspca_dev gspca_dev, __s32 val);
	92	static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
	93	static int sd_getautogain(struct gspca_dev gspca_dev, __s32 val);
	94	static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
	95	static int sd_getgain(struct gspca_dev gspca_dev, __s32 val);
	96
	97	static struct ctrl sd_ctrls[] = {
	98	#define SD_BRIGHTNESS 0
	99	{
	100	{
	101	.id = V4L2_CID_BRIGHTNESS,
	102	.type = V4L2_CTRL_TYPE_INTEGER,
	103	.name = "Brightness",
	104	.minimum = PAC207_BRIGHTNESS_MIN,
	105	.maximum = PAC207_BRIGHTNESS_MAX,
	106	.step = 1,
	107	.default_value = PAC207_BRIGHTNESS_DEFAULT,
	108	.flags = 0,
	109	},
	110	.set = sd_setbrightness,
	111	.get = sd_getbrightness,
	112	},
	113	#define SD_EXPOSURE 1
	114	{
	115	{
	116	.id = V4L2_CID_EXPOSURE,
	117	.type = V4L2_CTRL_TYPE_INTEGER,
	118	.name = "exposure",
	119	.minimum = PAC207_EXPOSURE_MIN,
	120	.maximum = PAC207_EXPOSURE_MAX,
	121	.step = 1,
	122	.default_value = PAC207_EXPOSURE_DEFAULT,
	123	.flags = 0,
	124	},
	125	.set = sd_setexposure,
	126	.get = sd_getexposure,
	127	},
	128	#define SD_AUTOGAIN 2
	129	{
	130	{
	131	.id = V4L2_CID_AUTOGAIN,
	132	.type = V4L2_CTRL_TYPE_BOOLEAN,
	133	.name = "Auto Gain",
	134	.minimum = 0,
	135	.maximum = 1,
	136	.step = 1,
	137	.default_value = 1,
	138	.flags = 0,
	139	},
	140	.set = sd_setautogain,
	141	.get = sd_getautogain,
	142	},
	143	#define SD_GAIN 3
	144	{
	145	{
146	.id = V4L2_CID_GAIN,
147	.type = V4L2_CTRL_TYPE_INTEGER,
148	.name = "gain",
149	.minimum = PAC207_GAIN_MIN,
150	.maximum = PAC207_GAIN_MAX,
151	.step = 1,
152	.default_value = PAC207_GAIN_DEFAULT,
153	.flags = 0,
154	},
155	.set = sd_setgain,
156	.get = sd_getgain,
157	},
158	};
159
c2446b3e JFM	160	static struct v4l2_pix_format sif_mode[] = {
	161	{176, 144, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE,
	162	.bytesperline = 176,
	163	.sizeimage = (176 + 2) * 144,
	164	/* uncompressed, add 2 bytes / line for line header */
	165	.colorspace = V4L2_COLORSPACE_SRGB,
	166	.priv = 1},
	167	{352, 288, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE,
	168	.bytesperline = 352,
80544d3c HG	169	/* compressed, but only when needed (not compressed
	170	when the framerate is low) */
	171	.sizeimage = (352 + 2) * 288,
c2446b3e JFM	172	.colorspace = V4L2_COLORSPACE_SRGB,
c2446b3e JFM	173	.priv = 0},
e2997a72 HG	174	};
	175
	176	static const __u8 pac207_sensor_init[][8] = {
	177	{0x10, 0x12, 0x0d, 0x12, 0x0c, 0x01, 0x29, 0xf0},
	178	{0x00, 0x64, 0x64, 0x64, 0x04, 0x10, 0xf0, 0x30},
	179	{0x00, 0x00, 0x00, 0x70, 0xa0, 0xf8, 0x00, 0x00},
	180	{0x00, 0x00, 0x32, 0x00, 0x96, 0x00, 0xa2, 0x02},
	181	{0x32, 0x00, 0x96, 0x00, 0xA2, 0x02, 0xaf, 0x00},
	182	};
	183
	184	/* 48 reg_72 Rate Control end BalSize_4a =0x36 */
	185	static const __u8 PacReg72[] = { 0x00, 0x00, 0x36, 0x00 };
	186
d43fa32f JFM	187	static const unsigned char pac207_sof_marker[5] =
d43fa32f JFM	188	{ 0xff, 0xff, 0x00, 0xff, 0x96 };
e2997a72	189
739570bb	190	static int pac207_write_regs(struct gspca_dev *gspca_dev, u16 index,
e2997a72 HG	191	const u8 *buffer, u16 length)
	192	{
	193	struct usb_device *udev = gspca_dev->dev;
	194	int err;
e2997a72	195
739570bb	196	memcpy(gspca_dev->usb_buf, buffer, length);
e2997a72 HG	197
	198	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01,
	199	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_INTERFACE,
739570bb JFM	200	0x00, index,
739570bb JFM	201	gspca_dev->usb_buf, length, PAC207_CTRL_TIMEOUT);
e2997a72 HG	202	if (err < 0)
	203	PDEBUG(D_ERR,
	204	"Failed to write registers to index 0x%04X, error %d)",
	205	index, err);
	206
	207	return err;
	208	}
	209
	210
	211	int pac207_write_reg(struct gspca_dev *gspca_dev, u16 index, u16 value)
	212	{
	213	struct usb_device *udev = gspca_dev->dev;
	214	int err;
	215
	216	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00,
	217	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_INTERFACE,
	218	value, index, NULL, 0, PAC207_CTRL_TIMEOUT);
	219	if (err)
	220	PDEBUG(D_ERR, "Failed to write a register (index 0x%04X,"
	221	" value 0x%02X, error %d)", index, value, err);
	222
	223	return err;
	224	}
	225
	226
	227	int pac207_read_reg(struct gspca_dev *gspca_dev, u16 index)
	228	{
	229	struct usb_device *udev = gspca_dev->dev;
e2997a72 HG	230	int res;
	231
	232	res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00,
	233	USB_DIR_IN \| USB_TYPE_VENDOR \| USB_RECIP_INTERFACE,
739570bb JFM	234	0x00, index,
739570bb JFM	235	gspca_dev->usb_buf, 1, PAC207_CTRL_TIMEOUT);
e2997a72 HG	236	if (res < 0) {
	237	PDEBUG(D_ERR,
	238	"Failed to read a register (index 0x%04X, error %d)",
	239	index, res);
	240	return res;
	241	}
	242
739570bb	243	return gspca_dev->usb_buf[0];
e2997a72 HG	244	}
e2997a72 HG	245
e2997a72 HG	246	/* this function is called at probe time */
	247	static int sd_config(struct gspca_dev *gspca_dev,
	248	const struct usb_device_id *id)
	249	{
4aa0d037	250	struct sd sd = (struct sd ) gspca_dev;
e2997a72 HG	251	struct cam *cam;
	252	u8 idreg[2];
	253
	254	idreg[0] = pac207_read_reg(gspca_dev, 0x0000);
	255	idreg[1] = pac207_read_reg(gspca_dev, 0x0001);
	256	idreg[0] = ((idreg[0] & 0x0F) << 4) \| ((idreg[1] & 0xf0) >> 4);
	257	idreg[1] = idreg[1] & 0x0f;
	258	PDEBUG(D_PROBE, "Pixart Sensor ID 0x%02X Chips ID 0x%02X",
	259	idreg[0], idreg[1]);
	260
	261	if (idreg[0] != 0x27) {
	262	PDEBUG(D_PROBE, "Error invalid sensor ID!");
	263	return -ENODEV;
	264	}
	265
	266	pac207_write_reg(gspca_dev, 0x41, 0x00);
	267	/* Bit_0=Image Format,
	268	* Bit_1=LED,
	269	* Bit_2=Compression test mode enable */
	270	pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */
	271	pac207_write_reg(gspca_dev, 0x11, 0x30); /* Analog Bias */
	272
	273	PDEBUG(D_PROBE,
	274	"Pixart PAC207BCA Image Processor and Control Chip detected"
	275	" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
	276
	277	cam = &gspca_dev->cam;
	278	cam->dev_name = (char *) id->driver_info;
	279	cam->epaddr = 0x05;
	280	cam->cam_mode = sif_mode;
	281	cam->nmodes = ARRAY_SIZE(sif_mode);
4aa0d037 JFM	282	sd->brightness = PAC207_BRIGHTNESS_DEFAULT;
	283	sd->exposure = PAC207_EXPOSURE_DEFAULT;
	284	sd->gain = PAC207_GAIN_DEFAULT;
e2997a72 HG	285
	286	return 0;
	287	}
	288
	289	/* this function is called at open time */
	290	static int sd_open(struct gspca_dev *gspca_dev)
	291	{
	292	struct sd sd = (struct sd ) gspca_dev;
	293
e2997a72	294	sd->autogain = 1;
e2997a72 HG	295	return 0;
	296	}
	297
	298	/* -- start the camera -- */
	299	static void sd_start(struct gspca_dev *gspca_dev)
	300	{
	301	struct sd sd = (struct sd ) gspca_dev;
	302	__u8 mode;
	303
	304	pac207_write_reg(gspca_dev, 0x0f, 0x10); /* Power control (Bit 6-0) */
	305	pac207_write_regs(gspca_dev, 0x0002, pac207_sensor_init[0], 8);
	306	pac207_write_regs(gspca_dev, 0x000a, pac207_sensor_init[1], 8);
	307	pac207_write_regs(gspca_dev, 0x0012, pac207_sensor_init[2], 8);
	308	pac207_write_regs(gspca_dev, 0x0040, pac207_sensor_init[3], 8);
	309	pac207_write_regs(gspca_dev, 0x0042, pac207_sensor_init[4], 8);
	310	pac207_write_regs(gspca_dev, 0x0048, PacReg72, 4);
	311
	312	/* Compression Balance */
	313	if (gspca_dev->width == 176)
	314	pac207_write_reg(gspca_dev, 0x4a, 0xff);
	315	else
	316	pac207_write_reg(gspca_dev, 0x4a, 0x88);
	317	pac207_write_reg(gspca_dev, 0x4b, 0x00); /* Sram test value */
	318	pac207_write_reg(gspca_dev, 0x08, sd->brightness);
	319
	320	/* PGA global gain (Bit 4-0) */
	321	pac207_write_reg(gspca_dev, 0x0e, sd->gain);
	322	pac207_write_reg(gspca_dev, 0x02, sd->exposure); /* PXCK = 12MHz /n */
	323
	324	mode = 0x02; /* Image Format (Bit 0), LED (1), Compr. test mode (2) */
d43fa32f	325	if (gspca_dev->width == 176) { /* 176x144 */
e2997a72 HG	326	mode \|= 0x01;
e2997a72 HG	327	PDEBUG(D_STREAM, "pac207_start mode 176x144");
d43fa32f	328	} else { /* 352x288 */
e2997a72	329	PDEBUG(D_STREAM, "pac207_start mode 352x288");
d43fa32f	330	}
e2997a72 HG	331	pac207_write_reg(gspca_dev, 0x41, mode);
	332
	333	pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */
	334	pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */
6a7eba24	335	msleep(10);
e2997a72 HG	336	pac207_write_reg(gspca_dev, 0x40, 0x01); /* Start ISO pipe */
	337
	338	sd->sof_read = 0;
	339	sd->autogain_ignore_frames = 0;
	340	atomic_set(&sd->avg_lum, -1);
	341	}
	342
	343	static void sd_stopN(struct gspca_dev *gspca_dev)
	344	{
	345	pac207_write_reg(gspca_dev, 0x40, 0x00); /* Stop ISO pipe */
	346	pac207_write_reg(gspca_dev, 0x41, 0x00); /* Turn of LED */
	347	pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */
	348	}
	349
	350	static void sd_stop0(struct gspca_dev *gspca_dev)
	351	{
	352	}
	353
	354	/* this function is called at close time */
	355	static void sd_close(struct gspca_dev *gspca_dev)
	356	{
	357	}
	358
e2997a72 HG	359	static void pac207_do_auto_gain(struct gspca_dev *gspca_dev)
	360	{
	361	struct sd sd = (struct sd ) gspca_dev;
e2997a72 HG	362	int avg_lum = atomic_read(&sd->avg_lum);
e2997a72 HG	363
dcef3237	364	if (avg_lum == -1)
e2997a72 HG	365	return;
e2997a72 HG	366
dcef3237	367	if (sd->autogain_ignore_frames > 0)
e2997a72	368	sd->autogain_ignore_frames--;
dcef3237 HG	369	else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
	370	100 + sd->brightness / 2, PAC207_AUTOGAIN_DEADZONE,
	371	PAC207_GAIN_KNEE, PAC207_EXPOSURE_KNEE))
e2997a72	372	sd->autogain_ignore_frames = PAC207_AUTOGAIN_IGNORE_FRAMES;
e2997a72 HG	373	}
	374
	375	static unsigned char pac207_find_sof(struct gspca_dev gspca_dev,
50a871fe	376	unsigned char *m, int len)
e2997a72 HG	377	{
	378	struct sd sd = (struct sd ) gspca_dev;
	379	int i;
	380
	381	/* Search for the SOF marker (fixed part) in the header */
	382	for (i = 0; i < len; i++) {
	383	if (m[i] == pac207_sof_marker[sd->sof_read]) {
	384	sd->sof_read++;
	385	if (sd->sof_read == sizeof(pac207_sof_marker)) {
	386	PDEBUG(D_STREAM,
	387	"SOF found, bytes to analyze: %u."
	388	" Frame starts at byte #%u",
	389	len, i + 1);
	390	sd->sof_read = 0;
	391	return m + i + 1;
	392	}
d43fa32f	393	} else {
e2997a72	394	sd->sof_read = 0;
d43fa32f	395	}
e2997a72 HG	396	}
	397
	398	return NULL;
	399	}
	400
e2997a72 HG	401	static void sd_pkt_scan(struct gspca_dev *gspca_dev,
e2997a72 HG	402	struct gspca_frame *frame,
a5ae2062	403	__u8 *data,
e2997a72 HG	404	int len)
e2997a72 HG	405	{
ab8f12cf	406	struct sd sd = (struct sd ) gspca_dev;
e2997a72	407	unsigned char *sof;
e2997a72 HG	408
e2997a72 HG	409	sof = pac207_find_sof(gspca_dev, data, len);
e2997a72	410	if (sof) {
ab8f12cf HG	411	int n;
ab8f12cf HG	412
e2997a72	413	/* finish decoding current frame */
ab8f12cf HG	414	n = sof - data;
	415	if (n > sizeof pac207_sof_marker)
	416	n -= sizeof pac207_sof_marker;
	417	else
	418	n = 0;
	419	frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
	420	data, n);
	421	sd->header_read = 0;
6a7eba24	422	gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0);
e2997a72 HG	423	len -= sof - data;
	424	data = sof;
	425	}
ab8f12cf HG	426	if (sd->header_read < 11) {
ab8f12cf HG	427	int needed;
e2997a72	428
ab8f12cf HG	429	/* get average lumination from frame header (byte 5) */
	430	if (sd->header_read < 5) {
	431	needed = 5 - sd->header_read;
	432	if (len >= needed)
	433	atomic_set(&sd->avg_lum, data[needed - 1]);
	434	}
	435	/* skip the rest of the header */
	436	needed = 11 - sd->header_read;
	437	if (len <= needed) {
	438	sd->header_read += len;
	439	return;
	440	}
	441	data += needed;
	442	len -= needed;
	443	sd->header_read = 11;
	444	}
e2997a72	445
ab8f12cf	446	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
e2997a72 HG	447	}
	448
	449	static void setbrightness(struct gspca_dev *gspca_dev)
	450	{
	451	struct sd sd = (struct sd ) gspca_dev;
	452
	453	pac207_write_reg(gspca_dev, 0x08, sd->brightness);
	454	pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */
	455	pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */
	456	}
	457
	458	static void setexposure(struct gspca_dev *gspca_dev)
	459	{
	460	struct sd sd = (struct sd ) gspca_dev;
	461
	462	pac207_write_reg(gspca_dev, 0x02, sd->exposure);
	463	pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */
	464	pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */
	465	}
	466
	467	static void setgain(struct gspca_dev *gspca_dev)
	468	{
	469	struct sd sd = (struct sd ) gspca_dev;
	470
	471	pac207_write_reg(gspca_dev, 0x0e, sd->gain);
	472	pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */
	473	pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */
	474	}
	475
	476	static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
	477	{
	478	struct sd sd = (struct sd ) gspca_dev;
	479
	480	sd->brightness = val;
	481	if (gspca_dev->streaming)
	482	setbrightness(gspca_dev);
	483	return 0;
	484	}
	485
	486	static int sd_getbrightness(struct gspca_dev gspca_dev, __s32 val)
	487	{
	488	struct sd sd = (struct sd ) gspca_dev;
	489
	490	*val = sd->brightness;
	491	return 0;
	492	}
	493
	494	static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
	495	{
	496	struct sd sd = (struct sd ) gspca_dev;
	497
e2997a72 HG	498	sd->exposure = val;
	499	if (gspca_dev->streaming)
	500	setexposure(gspca_dev);
	501	return 0;
	502	}
	503
	504	static int sd_getexposure(struct gspca_dev gspca_dev, __s32 val)
	505	{
	506	struct sd sd = (struct sd ) gspca_dev;
	507
	508	*val = sd->exposure;
	509	return 0;
	510	}
	511
	512	static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
	513	{
	514	struct sd sd = (struct sd ) gspca_dev;
	515
e2997a72 HG	516	sd->gain = val;
	517	if (gspca_dev->streaming)
	518	setgain(gspca_dev);
	519	return 0;
	520	}
	521
	522	static int sd_getgain(struct gspca_dev gspca_dev, __s32 val)
	523	{
	524	struct sd sd = (struct sd ) gspca_dev;
	525
	526	*val = sd->gain;
	527	return 0;
	528	}
	529
	530	static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
	531	{
	532	struct sd sd = (struct sd ) gspca_dev;
	533
	534	sd->autogain = val;
	535	/* when switching to autogain set defaults to make sure
	536	we are on a valid point of the autogain gain /
	537	exposure knee graph, and give this change time to
	538	take effect before doing autogain. */
	539	if (sd->autogain) {
	540	sd->exposure = PAC207_EXPOSURE_DEFAULT;
	541	sd->gain = PAC207_GAIN_DEFAULT;
	542	if (gspca_dev->streaming) {
	543	sd->autogain_ignore_frames =
	544	PAC207_AUTOGAIN_IGNORE_FRAMES;
	545	setexposure(gspca_dev);
	546	setgain(gspca_dev);
	547	}
	548	}
	549
	550	return 0;
	551	}
	552
	553	static int sd_getautogain(struct gspca_dev gspca_dev, __s32 val)
	554	{
	555	struct sd sd = (struct sd ) gspca_dev;
	556
	557	*val = sd->autogain;
	558	return 0;
	559	}
	560
	561	/* sub-driver description */
a5ae2062	562	static const struct sd_desc sd_desc = {
e2997a72 HG	563	.name = MODULE_NAME,
	564	.ctrls = sd_ctrls,
	565	.nctrls = ARRAY_SIZE(sd_ctrls),
	566	.config = sd_config,
	567	.open = sd_open,
	568	.start = sd_start,
	569	.stopN = sd_stopN,
	570	.stop0 = sd_stop0,
	571	.close = sd_close,
	572	.dq_callback = pac207_do_auto_gain,
	573	.pkt_scan = sd_pkt_scan,
	574	};
	575
	576	/* -- module initialisation -- */
	577	#define DVNM(name) .driver_info = (kernel_ulong_t) name
a5ae2062	578	static const __devinitdata struct usb_device_id device_table[] = {
e2997a72	579	{USB_DEVICE(0x041e, 0x4028), DVNM("Creative Webcam Vista Plus")},
d43fa32f	580	{USB_DEVICE(0x093a, 0x2460), DVNM("Q-Tec Webcam 100")},
e2997a72 HG	581	{USB_DEVICE(0x093a, 0x2463), DVNM("Philips spc200nc pac207")},
	582	{USB_DEVICE(0x093a, 0x2464), DVNM("Labtec Webcam 1200")},
	583	{USB_DEVICE(0x093a, 0x2468), DVNM("PAC207")},
	584	{USB_DEVICE(0x093a, 0x2470), DVNM("Genius GF112")},
d43fa32f JFM	585	{USB_DEVICE(0x093a, 0x2471), DVNM("Genius VideoCam GE111")},
d43fa32f JFM	586	{USB_DEVICE(0x093a, 0x2472), DVNM("Genius VideoCam GE110")},
e2997a72 HG	587	{USB_DEVICE(0x2001, 0xf115), DVNM("D-Link DSB-C120")},
	588	{}
	589	};
	590	MODULE_DEVICE_TABLE(usb, device_table);
	591
	592	/* -- device connect -- */
	593	static int sd_probe(struct usb_interface *intf,
	594	const struct usb_device_id *id)
	595	{
d43fa32f JFM	596	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
d43fa32f JFM	597	THIS_MODULE);
e2997a72 HG	598	}
	599
	600	static struct usb_driver sd_driver = {
	601	.name = MODULE_NAME,
	602	.id_table = device_table,
	603	.probe = sd_probe,
	604	.disconnect = gspca_disconnect,
	605	};
	606
	607	/* -- module insert / remove -- */
	608	static int __init sd_mod_init(void)
	609	{
e2997a72 HG	610	if (usb_register(&sd_driver) < 0)
	611	return -1;
	612	PDEBUG(D_PROBE, "v%s registered", version);
	613	return 0;
	614	}
	615	static void __exit sd_mod_exit(void)
	616	{
	617	usb_deregister(&sd_driver);
	618	PDEBUG(D_PROBE, "deregistered");
	619	}
	620
	621	module_init(sd_mod_init);
	622	module_exit(sd_mod_exit);