[linux-2.6-block.git] / drivers / media / video / gspca / stk014.c

/*
 * Syntek DV4000 (STK014) subdriver
 *
 * Copyright (C) 2008 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 "stk014"

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

MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver");
MODULE_LICENSE("GPL");

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

	unsigned char brightness;
	unsigned char contrast;
	unsigned char colors;
	unsigned char lightfreq;
	u8 quality;
#define QUALITY_MIN 60
#define QUALITY_MAX 95
#define QUALITY_DEF 80

	u8 *jpeg_hdr;
};

/* 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_setfreq(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);

static struct ctrl sd_ctrls[] = {
	{
	    {
		.id      = V4L2_CID_BRIGHTNESS,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Brightness",
		.minimum = 0,
		.maximum = 255,
		.step    = 1,
#define BRIGHTNESS_DEF 127
		.default_value = BRIGHTNESS_DEF,
	    },
	    .set = sd_setbrightness,
	    .get = sd_getbrightness,
	},
	{
	    {
		.id      = V4L2_CID_CONTRAST,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Contrast",
		.minimum = 0,
		.maximum = 255,
		.step    = 1,
#define CONTRAST_DEF 127
		.default_value = CONTRAST_DEF,
	    },
	    .set = sd_setcontrast,
	    .get = sd_getcontrast,
	},
	{
	    {
		.id      = V4L2_CID_SATURATION,
		.type    = V4L2_CTRL_TYPE_INTEGER,
		.name    = "Color",
		.minimum = 0,
		.maximum = 255,
		.step    = 1,
#define COLOR_DEF 127
		.default_value = COLOR_DEF,
	    },
	    .set = sd_setcolors,
	    .get = sd_getcolors,
	},
	{
	    {
		.id	 = V4L2_CID_POWER_LINE_FREQUENCY,
		.type    = V4L2_CTRL_TYPE_MENU,
		.name    = "Light frequency filter",
		.minimum = 1,
		.maximum = 2,	/* 0: 0, 1: 50Hz, 2:60Hz */
		.step    = 1,
#define FREQ_DEF 1
		.default_value = FREQ_DEF,
	    },
	    .set = sd_setfreq,
	    .get = sd_getfreq,
	},
};

static const struct v4l2_pix_format vga_mode[] = {
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 0},
};

/* -- read a register -- */
static u8 reg_r(struct gspca_dev *gspca_dev,
			__u16 index)
{
	struct usb_device *dev = gspca_dev->dev;
	int ret;

	if (gspca_dev->usb_err < 0)
		return 0;
	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
			0x00,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0x00,
			index,
			gspca_dev->usb_buf, 1,
			500);
	if (ret < 0) {
		PDEBUG(D_ERR, "reg_r err %d", ret);
		gspca_dev->usb_err = ret;
		return 0;
	}
	return gspca_dev->usb_buf[0];
}

/* -- write a register -- */
static void reg_w(struct gspca_dev *gspca_dev,
			__u16 index, __u16 value)
{
	struct usb_device *dev = gspca_dev->dev;
	int ret;

	if (gspca_dev->usb_err < 0)
		return;
	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
			0x01,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			value,
			index,
			NULL,
			0,
			500);
	if (ret < 0) {
		PDEBUG(D_ERR, "reg_w err %d", ret);
		gspca_dev->usb_err = ret;
	}
}

/* -- get a bulk value (4 bytes) -- */
static void rcv_val(struct gspca_dev *gspca_dev,
			int ads)
{
	struct usb_device *dev = gspca_dev->dev;
	int alen, ret;

	reg_w(gspca_dev, 0x634, (ads >> 16) & 0xff);
	reg_w(gspca_dev, 0x635, (ads >> 8) & 0xff);
	reg_w(gspca_dev, 0x636, ads & 0xff);
	reg_w(gspca_dev, 0x637, 0);
	reg_w(gspca_dev, 0x638, 4);	/* len & 0xff */
	reg_w(gspca_dev, 0x639, 0);	/* len >> 8 */
	reg_w(gspca_dev, 0x63a, 0);
	reg_w(gspca_dev, 0x63b, 0);
	reg_w(gspca_dev, 0x630, 5);
	if (gspca_dev->usb_err < 0)
		return;
	ret = usb_bulk_msg(dev,
			usb_rcvbulkpipe(dev, 0x05),
			gspca_dev->usb_buf,
			4,		/* length */
			&alen,
			500);		/* timeout in milliseconds */
	if (ret < 0) {
		PDEBUG(D_ERR, "rcv_val err %d", ret);
		gspca_dev->usb_err = ret;
	}
}

/* -- send a bulk value -- */
static void snd_val(struct gspca_dev *gspca_dev,
			int ads,
			unsigned int val)
{
	struct usb_device *dev = gspca_dev->dev;
	int alen, ret;
	__u8 seq = 0;

	if (ads == 0x003f08) {
		reg_r(gspca_dev, 0x0704);
		seq = reg_r(gspca_dev, 0x0705);
		reg_r(gspca_dev, 0x0650);
		reg_w(gspca_dev, 0x654, seq);
	} else {
		reg_w(gspca_dev, 0x654, (ads >> 16) & 0xff);
	}
	reg_w(gspca_dev, 0x655, (ads >> 8) & 0xff);
	reg_w(gspca_dev, 0x656, ads & 0xff);
	reg_w(gspca_dev, 0x657, 0);
	reg_w(gspca_dev, 0x658, 0x04);	/* size */
	reg_w(gspca_dev, 0x659, 0);
	reg_w(gspca_dev, 0x65a, 0);
	reg_w(gspca_dev, 0x65b, 0);
	reg_w(gspca_dev, 0x650, 5);
	if (gspca_dev->usb_err < 0)
		return;
	gspca_dev->usb_buf[0] = val >> 24;
	gspca_dev->usb_buf[1] = val >> 16;
	gspca_dev->usb_buf[2] = val >> 8;
	gspca_dev->usb_buf[3] = val;
	ret = usb_bulk_msg(dev,
			usb_sndbulkpipe(dev, 6),
			gspca_dev->usb_buf,
			4,
			&alen,
			500);	/* timeout in milliseconds */
	if (ret < 0) {
		PDEBUG(D_ERR, "snd_val err %d", ret);
		gspca_dev->usb_err = ret;
	} else {
		if (ads == 0x003f08) {
			seq += 4;
			seq &= 0x3f;
			reg_w(gspca_dev, 0x705, seq);
		}
	}
}

/* set a camera parameter */
static void set_par(struct gspca_dev *gspca_dev,
		   int parval)
{
	snd_val(gspca_dev, 0x003f08, parval);
}

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

	parval = 0x06000000		/* whiteness */
		+ (sd->brightness << 16);
	set_par(gspca_dev, parval);
}

static void setcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int parval;

	parval = 0x07000000		/* contrast */
		+ (sd->contrast << 16);
	set_par(gspca_dev, parval);
}

static void setcolors(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int parval;

	parval = 0x08000000		/* saturation */
		+ (sd->colors << 16);
	set_par(gspca_dev, parval);
}

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

	set_par(gspca_dev, sd->lightfreq == 1
			? 0x33640000		/* 50 Hz */
			: 0x33780000);		/* 60 Hz */
}

/* 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;

	gspca_dev->cam.cam_mode = vga_mode;
	gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
	sd->brightness = BRIGHTNESS_DEF;
	sd->contrast = CONTRAST_DEF;
	sd->colors = COLOR_DEF;
	sd->lightfreq = FREQ_DEF;
	sd->quality = QUALITY_DEF;
	return 0;
}

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
	u8 ret;

	/* check if the device responds */
	usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
	ret = reg_r(gspca_dev, 0x0740);
	if (gspca_dev->usb_err >= 0) {
		if (ret != 0xff) {
			PDEBUG(D_ERR|D_STREAM, "init reg: 0x%02x", ret);
			gspca_dev->usb_err = -EIO;
		}
	}
	return gspca_dev->usb_err;
}

/* -- start the camera -- */
static int sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int ret, value;

	/* create the JPEG header */
	sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
	if (!sd->jpeg_hdr)
		return -ENOMEM;
	jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
			0x22);		/* JPEG 411 */
	jpeg_set_qual(sd->jpeg_hdr, sd->quality);

	/* work on alternate 1 */
	usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);

	set_par(gspca_dev, 0x10000000);
	set_par(gspca_dev, 0x00000000);
	set_par(gspca_dev, 0x8002e001);
	set_par(gspca_dev, 0x14000000);
	if (gspca_dev->width > 320)
		value = 0x8002e001;		/* 640x480 */
	else
		value = 0x4001f000;		/* 320x240 */
	set_par(gspca_dev, value);
	ret = usb_set_interface(gspca_dev->dev,
					gspca_dev->iface,
					gspca_dev->alt);
	if (ret < 0) {
		PDEBUG(D_ERR|D_STREAM, "set intf %d %d failed",
			gspca_dev->iface, gspca_dev->alt);
		gspca_dev->usb_err = ret;
		goto out;
	}
	 reg_r(gspca_dev, 0x0630);
	rcv_val(gspca_dev, 0x000020);	/* << (value ff ff ff ff) */
	reg_r(gspca_dev, 0x0650);
	snd_val(gspca_dev, 0x000020, 0xffffffff);
	reg_w(gspca_dev, 0x0620, 0);
	reg_w(gspca_dev, 0x0630, 0);
	reg_w(gspca_dev, 0x0640, 0);
	reg_w(gspca_dev, 0x0650, 0);
	reg_w(gspca_dev, 0x0660, 0);
	setbrightness(gspca_dev);		/* whiteness */
	setcontrast(gspca_dev);			/* contrast */
	setcolors(gspca_dev);			/* saturation */
	set_par(gspca_dev, 0x09800000);		/* Red ? */
	set_par(gspca_dev, 0x0a800000);		/* Green ? */
	set_par(gspca_dev, 0x0b800000);		/* Blue ? */
	set_par(gspca_dev, 0x0d030000);		/* Gamma ? */
	setfreq(gspca_dev);			/* light frequency */

	/* start the video flow */
	set_par(gspca_dev, 0x01000000);
	set_par(gspca_dev, 0x01000000);
	if (gspca_dev->usb_err >= 0)
		PDEBUG(D_STREAM, "camera started alt: 0x%02x",
				gspca_dev->alt);
out:
	return gspca_dev->usb_err;
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	struct usb_device *dev = gspca_dev->dev;

	set_par(gspca_dev, 0x02000000);
	set_par(gspca_dev, 0x02000000);
	usb_set_interface(dev, gspca_dev->iface, 1);
	reg_r(gspca_dev, 0x0630);
	rcv_val(gspca_dev, 0x000020);	/* << (value ff ff ff ff) */
	reg_r(gspca_dev, 0x0650);
	snd_val(gspca_dev, 0x000020, 0xffffffff);
	reg_w(gspca_dev, 0x0620, 0);
	reg_w(gspca_dev, 0x0630, 0);
	reg_w(gspca_dev, 0x0640, 0);
	reg_w(gspca_dev, 0x0650, 0);
	reg_w(gspca_dev, 0x0660, 0);
	PDEBUG(D_STREAM, "camera stopped");
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	kfree(sd->jpeg_hdr);
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{
	struct sd *sd = (struct sd *) gspca_dev;
	static unsigned char ffd9[] = {0xff, 0xd9};

	/* a frame starts with:
	 *	- 0xff 0xfe
	 *	- 0x08 0x00	- length (little endian ?!)
	 *	- 4 bytes = size of whole frame (BE - including header)
	 *	- 0x00 0x0c
	 *	- 0xff 0xd8
	 *	- ..	JPEG image with escape sequences (ff 00)
	 *		(without ending - ff d9)
	 */
	if (data[0] == 0xff && data[1] == 0xfe) {
		gspca_frame_add(gspca_dev, LAST_PACKET,
				ffd9, 2);

		/* put the JPEG 411 header */
		gspca_frame_add(gspca_dev, FIRST_PACKET,
			sd->jpeg_hdr, JPEG_HDR_SZ);

		/* beginning of the frame */
#define STKHDRSZ 12
		data += STKHDRSZ;
		len -= STKHDRSZ;
	}
	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}

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 gspca_dev->usb_err;
}

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_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 gspca_dev->usb_err;
}

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 gspca_dev->usb_err;
}

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_setfreq(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->lightfreq = val;
	if (gspca_dev->streaming)
		setfreq(gspca_dev);
	return gspca_dev->usb_err;
}

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

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

static int sd_querymenu(struct gspca_dev *gspca_dev,
			struct v4l2_querymenu *menu)
{
	switch (menu->id) {
	case V4L2_CID_POWER_LINE_FREQUENCY:
		switch (menu->index) {
		case 1:		/* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
			strcpy((char *) menu->name, "50 Hz");
			return 0;
		case 2:		/* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
			strcpy((char *) menu->name, "60 Hz");
			return 0;
		}
		break;
	}
	return -EINVAL;
}

static int sd_set_jcomp(struct gspca_dev *gspca_dev,
			struct v4l2_jpegcompression *jcomp)
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (jcomp->quality < QUALITY_MIN)
		sd->quality = QUALITY_MIN;
	else if (jcomp->quality > QUALITY_MAX)
		sd->quality = QUALITY_MAX;
	else
		sd->quality = jcomp->quality;
	if (gspca_dev->streaming)
		jpeg_set_qual(sd->jpeg_hdr, sd->quality);
	return gspca_dev->usb_err;
}

static int sd_get_jcomp(struct gspca_dev *gspca_dev,
			struct v4l2_jpegcompression *jcomp)
{
	struct sd *sd = (struct sd *) gspca_dev;

	memset(jcomp, 0, sizeof *jcomp);
	jcomp->quality = sd->quality;
	jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
			| V4L2_JPEG_MARKER_DQT;
	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,
	.init = sd_init,
	.start = sd_start,
	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.pkt_scan = sd_pkt_scan,
	.querymenu = sd_querymenu,
	.get_jcomp = sd_get_jcomp,
	.set_jcomp = sd_set_jcomp,
};

/* -- module initialisation -- */
static const __devinitdata struct usb_device_id device_table[] = {
	{USB_DEVICE(0x05e1, 0x0893)},
	{}
};
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,
#ifdef CONFIG_PM
	.suspend = gspca_suspend,
	.resume = gspca_resume,
#endif
};

/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
	int ret;
	ret = usb_register(&sd_driver);
	if (ret < 0)
		return ret;
	info("registered");
	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);
Commit	Line	Data
63eb9546 JFM	1	/*
	2	* Syntek DV4000 (STK014) subdriver
	3	*
d43fa32f	4	* Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr)
63eb9546 JFM	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
63eb9546 JFM	19	*/
	20
	21	#define MODULE_NAME "stk014"
	22
	23	#include "gspca.h"
	24	#include "jpeg.h"
	25
63eb9546 JFM	26	MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
	27	MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver");
	28	MODULE_LICENSE("GPL");
	29
	30	/* specific webcam descriptor */
	31	struct sd {
	32	struct gspca_dev gspca_dev; /* !! must be the first item */
	33
	34	unsigned char brightness;
	35	unsigned char contrast;
	36	unsigned char colors;
6a7eba24	37	unsigned char lightfreq;
71cb2764	38	u8 quality;
77ac0baf JFM	39	#define QUALITY_MIN 60
	40	#define QUALITY_MAX 95
	41	#define QUALITY_DEF 80
71cb2764 JFM	42
71cb2764 JFM	43	u8 *jpeg_hdr;
63eb9546 JFM	44	};
63eb9546 JFM	45
63eb9546 JFM	46	/* V4L2 controls supported by the driver */
	47	static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
	48	static int sd_getbrightness(struct gspca_dev gspca_dev, __s32 val);
	49	static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
	50	static int sd_getcontrast(struct gspca_dev gspca_dev, __s32 val);
	51	static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
	52	static int sd_getcolors(struct gspca_dev gspca_dev, __s32 val);
6a7eba24 JFM	53	static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
6a7eba24 JFM	54	static int sd_getfreq(struct gspca_dev gspca_dev, __s32 val);
63eb9546 JFM	55
63eb9546 JFM	56	static struct ctrl sd_ctrls[] = {
63eb9546 JFM	57	{
	58	{
	59	.id = V4L2_CID_BRIGHTNESS,
	60	.type = V4L2_CTRL_TYPE_INTEGER,
	61	.name = "Brightness",
	62	.minimum = 0,
	63	.maximum = 255,
	64	.step = 1,
a5ae2062 JFM	65	#define BRIGHTNESS_DEF 127
a5ae2062 JFM	66	.default_value = BRIGHTNESS_DEF,
63eb9546 JFM	67	},
	68	.set = sd_setbrightness,
	69	.get = sd_getbrightness,
	70	},
63eb9546 JFM	71	{
	72	{
	73	.id = V4L2_CID_CONTRAST,
	74	.type = V4L2_CTRL_TYPE_INTEGER,
	75	.name = "Contrast",
	76	.minimum = 0,
	77	.maximum = 255,
	78	.step = 1,
a5ae2062 JFM	79	#define CONTRAST_DEF 127
a5ae2062 JFM	80	.default_value = CONTRAST_DEF,
63eb9546 JFM	81	},
	82	.set = sd_setcontrast,
	83	.get = sd_getcontrast,
	84	},
63eb9546 JFM	85	{
	86	{
	87	.id = V4L2_CID_SATURATION,
	88	.type = V4L2_CTRL_TYPE_INTEGER,
a5ae2062	89	.name = "Color",
63eb9546 JFM	90	.minimum = 0,
	91	.maximum = 255,
	92	.step = 1,
a5ae2062 JFM	93	#define COLOR_DEF 127
a5ae2062 JFM	94	.default_value = COLOR_DEF,
63eb9546 JFM	95	},
	96	.set = sd_setcolors,
	97	.get = sd_getcolors,
	98	},
6a7eba24 JFM	99	{
	100	{
	101	.id = V4L2_CID_POWER_LINE_FREQUENCY,
	102	.type = V4L2_CTRL_TYPE_MENU,
	103	.name = "Light frequency filter",
	104	.minimum = 1,
	105	.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
	106	.step = 1,
a5ae2062 JFM	107	#define FREQ_DEF 1
a5ae2062 JFM	108	.default_value = FREQ_DEF,
6a7eba24 JFM	109	},
	110	.set = sd_setfreq,
	111	.get = sd_getfreq,
	112	},
63eb9546 JFM	113	};
63eb9546 JFM	114
cc611b8a	115	static const struct v4l2_pix_format vga_mode[] = {
c2446b3e JFM	116	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
	117	.bytesperline = 320,
	118	.sizeimage = 320 * 240 * 3 / 8 + 590,
	119	.colorspace = V4L2_COLORSPACE_JPEG,
	120	.priv = 1},
	121	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
	122	.bytesperline = 640,
	123	.sizeimage = 640 * 480 * 3 / 8 + 590,
	124	.colorspace = V4L2_COLORSPACE_JPEG,
	125	.priv = 0},
63eb9546 JFM	126	};
	127
	128	/* -- read a register -- */
ecb77686	129	static u8 reg_r(struct gspca_dev *gspca_dev,
739570bb	130	__u16 index)
63eb9546	131	{
63eb9546	132	struct usb_device *dev = gspca_dev->dev;
6a7eba24	133	int ret;
63eb9546	134
ecb77686 JFM	135	if (gspca_dev->usb_err < 0)
ecb77686 JFM	136	return 0;
63eb9546 JFM	137	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
	138	0x00,
	139	USB_DIR_IN \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	140	0x00,
	141	index,
739570bb	142	gspca_dev->usb_buf, 1,
63eb9546	143	500);
739570bb	144	if (ret < 0) {
6a7eba24	145	PDEBUG(D_ERR, "reg_r err %d", ret);
ecb77686 JFM	146	gspca_dev->usb_err = ret;
ecb77686 JFM	147	return 0;
739570bb JFM	148	}
739570bb JFM	149	return gspca_dev->usb_buf[0];
63eb9546 JFM	150	}
	151
	152	/* -- write a register -- */
ecb77686	153	static void reg_w(struct gspca_dev *gspca_dev,
63eb9546 JFM	154	__u16 index, __u16 value)
	155	{
	156	struct usb_device *dev = gspca_dev->dev;
	157	int ret;
	158
ecb77686 JFM	159	if (gspca_dev->usb_err < 0)
ecb77686 JFM	160	return;
63eb9546 JFM	161	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
	162	0x01,
	163	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	164	value,
	165	index,
	166	NULL,
	167	0,
	168	500);
ecb77686	169	if (ret < 0) {
6a7eba24	170	PDEBUG(D_ERR, "reg_w err %d", ret);
ecb77686 JFM	171	gspca_dev->usb_err = ret;
ecb77686 JFM	172	}
63eb9546 JFM	173	}
63eb9546 JFM	174
739570bb	175	/* -- get a bulk value (4 bytes) -- */
ecb77686	176	static void rcv_val(struct gspca_dev *gspca_dev,
739570bb	177	int ads)
63eb9546 JFM	178	{
	179	struct usb_device *dev = gspca_dev->dev;
	180	int alen, ret;
63eb9546	181
6a7eba24 JFM	182	reg_w(gspca_dev, 0x634, (ads >> 16) & 0xff);
	183	reg_w(gspca_dev, 0x635, (ads >> 8) & 0xff);
	184	reg_w(gspca_dev, 0x636, ads & 0xff);
	185	reg_w(gspca_dev, 0x637, 0);
739570bb JFM	186	reg_w(gspca_dev, 0x638, 4); /* len & 0xff */
739570bb JFM	187	reg_w(gspca_dev, 0x639, 0); /* len >> 8 */
6a7eba24 JFM	188	reg_w(gspca_dev, 0x63a, 0);
	189	reg_w(gspca_dev, 0x63b, 0);
	190	reg_w(gspca_dev, 0x630, 5);
ecb77686 JFM	191	if (gspca_dev->usb_err < 0)
ecb77686 JFM	192	return;
63eb9546	193	ret = usb_bulk_msg(dev,
50e06dee	194	usb_rcvbulkpipe(dev, 0x05),
739570bb JFM	195	gspca_dev->usb_buf,
739570bb JFM	196	4, /* length */
63eb9546	197	&alen,
739570bb	198	500); /* timeout in milliseconds */
ecb77686 JFM	199	if (ret < 0) {
	200	PDEBUG(D_ERR, "rcv_val err %d", ret);
	201	gspca_dev->usb_err = ret;
	202	}
63eb9546 JFM	203	}
63eb9546 JFM	204
739570bb	205	/* -- send a bulk value -- */
ecb77686	206	static void snd_val(struct gspca_dev *gspca_dev,
63eb9546 JFM	207	int ads,
	208	unsigned int val)
	209	{
	210	struct usb_device *dev = gspca_dev->dev;
	211	int alen, ret;
739570bb	212	__u8 seq = 0;
63eb9546 JFM	213
63eb9546 JFM	214	if (ads == 0x003f08) {
ecb77686 JFM	215	reg_r(gspca_dev, 0x0704);
	216	seq = reg_r(gspca_dev, 0x0705);
	217	reg_r(gspca_dev, 0x0650);
6a7eba24	218	reg_w(gspca_dev, 0x654, seq);
739570bb	219	} else {
6a7eba24	220	reg_w(gspca_dev, 0x654, (ads >> 16) & 0xff);
739570bb	221	}
6a7eba24 JFM	222	reg_w(gspca_dev, 0x655, (ads >> 8) & 0xff);
	223	reg_w(gspca_dev, 0x656, ads & 0xff);
	224	reg_w(gspca_dev, 0x657, 0);
	225	reg_w(gspca_dev, 0x658, 0x04); /* size */
	226	reg_w(gspca_dev, 0x659, 0);
	227	reg_w(gspca_dev, 0x65a, 0);
	228	reg_w(gspca_dev, 0x65b, 0);
	229	reg_w(gspca_dev, 0x650, 5);
ecb77686 JFM	230	if (gspca_dev->usb_err < 0)
ecb77686 JFM	231	return;
739570bb JFM	232	gspca_dev->usb_buf[0] = val >> 24;
	233	gspca_dev->usb_buf[1] = val >> 16;
	234	gspca_dev->usb_buf[2] = val >> 8;
	235	gspca_dev->usb_buf[3] = val;
63eb9546 JFM	236	ret = usb_bulk_msg(dev,
63eb9546 JFM	237	usb_sndbulkpipe(dev, 6),
739570bb	238	gspca_dev->usb_buf,
63eb9546 JFM	239	4,
	240	&alen,
	241	500); /* timeout in milliseconds */
ecb77686 JFM	242	if (ret < 0) {
	243	PDEBUG(D_ERR, "snd_val err %d", ret);
	244	gspca_dev->usb_err = ret;
	245	} else {
	246	if (ads == 0x003f08) {
	247	seq += 4;
	248	seq &= 0x3f;
	249	reg_w(gspca_dev, 0x705, seq);
	250	}
63eb9546	251	}
63eb9546 JFM	252	}
	253
	254	/* set a camera parameter */
ecb77686	255	static void set_par(struct gspca_dev *gspca_dev,
63eb9546 JFM	256	int parval)
63eb9546 JFM	257	{
ecb77686	258	snd_val(gspca_dev, 0x003f08, parval);
63eb9546 JFM	259	}
	260
	261	static void setbrightness(struct gspca_dev *gspca_dev)
	262	{
	263	struct sd sd = (struct sd ) gspca_dev;
	264	int parval;
	265
63eb9546 JFM	266	parval = 0x06000000 /* whiteness */
	267	+ (sd->brightness << 16);
	268	set_par(gspca_dev, parval);
	269	}
	270
	271	static void setcontrast(struct gspca_dev *gspca_dev)
	272	{
	273	struct sd sd = (struct sd ) gspca_dev;
	274	int parval;
	275
63eb9546 JFM	276	parval = 0x07000000 /* contrast */
	277	+ (sd->contrast << 16);
	278	set_par(gspca_dev, parval);
	279	}
	280
	281	static void setcolors(struct gspca_dev *gspca_dev)
	282	{
	283	struct sd sd = (struct sd ) gspca_dev;
	284	int parval;
	285
63eb9546 JFM	286	parval = 0x08000000 /* saturation */
	287	+ (sd->colors << 16);
	288	set_par(gspca_dev, parval);
	289	}
	290
6a7eba24 JFM	291	static void setfreq(struct gspca_dev *gspca_dev)
	292	{
	293	struct sd sd = (struct sd ) gspca_dev;
	294
	295	set_par(gspca_dev, sd->lightfreq == 1
	296	? 0x33640000 /* 50 Hz */
	297	: 0x33780000); /* 60 Hz */
	298	}
	299
63eb9546 JFM	300	/* this function is called at probe time */
	301	static int sd_config(struct gspca_dev *gspca_dev,
	302	const struct usb_device_id *id)
	303	{
	304	struct sd sd = (struct sd ) gspca_dev;
63eb9546	305
63eb9546	306	gspca_dev->cam.cam_mode = vga_mode;
739570bb	307	gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
a5ae2062 JFM	308	sd->brightness = BRIGHTNESS_DEF;
	309	sd->contrast = CONTRAST_DEF;
	310	sd->colors = COLOR_DEF;
	311	sd->lightfreq = FREQ_DEF;
77ac0baf	312	sd->quality = QUALITY_DEF;
63eb9546 JFM	313	return 0;
	314	}
	315
012d6b02 JFM	316	/* this function is called at probe and resume time */
012d6b02 JFM	317	static int sd_init(struct gspca_dev *gspca_dev)
63eb9546	318	{
ecb77686	319	u8 ret;
63eb9546 JFM	320
	321	/* check if the device responds */
	322	usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
739570bb	323	ret = reg_r(gspca_dev, 0x0740);
ecb77686 JFM	324	if (gspca_dev->usb_err >= 0) {
	325	if (ret != 0xff) {
	326	PDEBUG(D_ERR\|D_STREAM, "init reg: 0x%02x", ret);
	327	gspca_dev->usb_err = -EIO;
	328	}
63eb9546	329	}
ecb77686	330	return gspca_dev->usb_err;
63eb9546 JFM	331	}
	332
	333	/* -- start the camera -- */
72ab97ce	334	static int sd_start(struct gspca_dev *gspca_dev)
63eb9546	335	{
71cb2764	336	struct sd sd = (struct sd ) gspca_dev;
63eb9546 JFM	337	int ret, value;
63eb9546 JFM	338
71cb2764 JFM	339	/* create the JPEG header */
71cb2764 JFM	340	sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
3eb0237d JL	341	if (!sd->jpeg_hdr)
3eb0237d JL	342	return -ENOMEM;
71cb2764 JFM	343	jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
	344	0x22); /* JPEG 411 */
	345	jpeg_set_qual(sd->jpeg_hdr, sd->quality);
	346
63eb9546 JFM	347	/* work on alternate 1 */
	348	usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
	349
	350	set_par(gspca_dev, 0x10000000);
	351	set_par(gspca_dev, 0x00000000);
	352	set_par(gspca_dev, 0x8002e001);
	353	set_par(gspca_dev, 0x14000000);
	354	if (gspca_dev->width > 320)
	355	value = 0x8002e001; /* 640x480 */
	356	else
	357	value = 0x4001f000; /* 320x240 */
	358	set_par(gspca_dev, value);
	359	ret = usb_set_interface(gspca_dev->dev,
	360	gspca_dev->iface,
	361	gspca_dev->alt);
6a7eba24 JFM	362	if (ret < 0) {
	363	PDEBUG(D_ERR\|D_STREAM, "set intf %d %d failed",
	364	gspca_dev->iface, gspca_dev->alt);
ecb77686	365	gspca_dev->usb_err = ret;
63eb9546	366	goto out;
6a7eba24	367	}
ecb77686	368	reg_r(gspca_dev, 0x0630);
739570bb	369	rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */
ecb77686	370	reg_r(gspca_dev, 0x0650);
63eb9546	371	snd_val(gspca_dev, 0x000020, 0xffffffff);
6a7eba24 JFM	372	reg_w(gspca_dev, 0x0620, 0);
	373	reg_w(gspca_dev, 0x0630, 0);
	374	reg_w(gspca_dev, 0x0640, 0);
	375	reg_w(gspca_dev, 0x0650, 0);
	376	reg_w(gspca_dev, 0x0660, 0);
63eb9546 JFM	377	setbrightness(gspca_dev); /* whiteness */
	378	setcontrast(gspca_dev); /* contrast */
	379	setcolors(gspca_dev); /* saturation */
	380	set_par(gspca_dev, 0x09800000); /* Red ? */
	381	set_par(gspca_dev, 0x0a800000); /* Green ? */
	382	set_par(gspca_dev, 0x0b800000); /* Blue ? */
	383	set_par(gspca_dev, 0x0d030000); /* Gamma ? */
6a7eba24	384	setfreq(gspca_dev); /* light frequency */
63eb9546 JFM	385
	386	/* start the video flow */
	387	set_par(gspca_dev, 0x01000000);
	388	set_par(gspca_dev, 0x01000000);
ecb77686 JFM	389	if (gspca_dev->usb_err >= 0)
	390	PDEBUG(D_STREAM, "camera started alt: 0x%02x",
	391	gspca_dev->alt);
63eb9546	392	out:
ecb77686	393	return gspca_dev->usb_err;
63eb9546 JFM	394	}
	395
	396	static void sd_stopN(struct gspca_dev *gspca_dev)
	397	{
	398	struct usb_device *dev = gspca_dev->dev;
63eb9546 JFM	399
	400	set_par(gspca_dev, 0x02000000);
	401	set_par(gspca_dev, 0x02000000);
	402	usb_set_interface(dev, gspca_dev->iface, 1);
739570bb JFM	403	reg_r(gspca_dev, 0x0630);
	404	rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */
	405	reg_r(gspca_dev, 0x0650);
63eb9546	406	snd_val(gspca_dev, 0x000020, 0xffffffff);
6a7eba24 JFM	407	reg_w(gspca_dev, 0x0620, 0);
	408	reg_w(gspca_dev, 0x0630, 0);
	409	reg_w(gspca_dev, 0x0640, 0);
	410	reg_w(gspca_dev, 0x0650, 0);
	411	reg_w(gspca_dev, 0x0660, 0);
63eb9546 JFM	412	PDEBUG(D_STREAM, "camera stopped");
	413	}
	414
71cb2764 JFM	415	static void sd_stop0(struct gspca_dev *gspca_dev)
	416	{
	417	struct sd sd = (struct sd ) gspca_dev;
	418
	419	kfree(sd->jpeg_hdr);
	420	}
	421
63eb9546	422	static void sd_pkt_scan(struct gspca_dev *gspca_dev,
76dd272b	423	u8 data, / isoc packet */
63eb9546 JFM	424	int len) /* iso packet length */
63eb9546 JFM	425	{
71cb2764	426	struct sd sd = (struct sd ) gspca_dev;
4aa0d037	427	static unsigned char ffd9[] = {0xff, 0xd9};
63eb9546 JFM	428
	429	/* a frame starts with:
	430	* - 0xff 0xfe
d43fa32f JFM	431	* - 0x08 0x00 - length (little endian ?!)
d43fa32f JFM	432	* - 4 bytes = size of whole frame (BE - including header)
63eb9546 JFM	433	* - 0x00 0x0c
	434	* - 0xff 0xd8
	435	* - .. JPEG image with escape sequences (ff 00)
d43fa32f	436	* (without ending - ff d9)
63eb9546 JFM	437	*/
63eb9546 JFM	438	if (data[0] == 0xff && data[1] == 0xfe) {
76dd272b JFM	439	gspca_frame_add(gspca_dev, LAST_PACKET,
76dd272b JFM	440	ffd9, 2);
63eb9546	441
d43fa32f	442	/* put the JPEG 411 header */
76dd272b	443	gspca_frame_add(gspca_dev, FIRST_PACKET,
71cb2764	444	sd->jpeg_hdr, JPEG_HDR_SZ);
63eb9546 JFM	445
	446	/* beginning of the frame */
	447	#define STKHDRSZ 12
8843765e JFM	448	data += STKHDRSZ;
8843765e JFM	449	len -= STKHDRSZ;
63eb9546	450	}
76dd272b	451	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
63eb9546 JFM	452	}
	453
	454	static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
	455	{
	456	struct sd sd = (struct sd ) gspca_dev;
	457
	458	sd->brightness = val;
	459	if (gspca_dev->streaming)
	460	setbrightness(gspca_dev);
ecb77686	461	return gspca_dev->usb_err;
63eb9546 JFM	462	}
	463
	464	static int sd_getbrightness(struct gspca_dev gspca_dev, __s32 val)
	465	{
	466	struct sd sd = (struct sd ) gspca_dev;
	467
	468	*val = sd->brightness;
	469	return 0;
	470	}
	471
	472	static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
	473	{
	474	struct sd sd = (struct sd ) gspca_dev;
	475
	476	sd->contrast = val;
	477	if (gspca_dev->streaming)
	478	setcontrast(gspca_dev);
ecb77686	479	return gspca_dev->usb_err;
63eb9546 JFM	480	}
	481
	482	static int sd_getcontrast(struct gspca_dev gspca_dev, __s32 val)
	483	{
	484	struct sd sd = (struct sd ) gspca_dev;
	485
	486	*val = sd->contrast;
	487	return 0;
	488	}
	489
	490	static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
	491	{
	492	struct sd sd = (struct sd ) gspca_dev;
	493
	494	sd->colors = val;
	495	if (gspca_dev->streaming)
	496	setcolors(gspca_dev);
ecb77686	497	return gspca_dev->usb_err;
63eb9546 JFM	498	}
	499
	500	static int sd_getcolors(struct gspca_dev gspca_dev, __s32 val)
	501	{
	502	struct sd sd = (struct sd ) gspca_dev;
	503
	504	*val = sd->colors;
	505	return 0;
	506	}
	507
6a7eba24 JFM	508	static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
	509	{
	510	struct sd sd = (struct sd ) gspca_dev;
	511
	512	sd->lightfreq = val;
	513	if (gspca_dev->streaming)
	514	setfreq(gspca_dev);
ecb77686	515	return gspca_dev->usb_err;
6a7eba24 JFM	516	}
	517
	518	static int sd_getfreq(struct gspca_dev gspca_dev, __s32 val)
	519	{
	520	struct sd sd = (struct sd ) gspca_dev;
	521
	522	*val = sd->lightfreq;
	523	return 0;
	524	}
	525
	526	static int sd_querymenu(struct gspca_dev *gspca_dev,
	527	struct v4l2_querymenu *menu)
	528	{
	529	switch (menu->id) {
	530	case V4L2_CID_POWER_LINE_FREQUENCY:
	531	switch (menu->index) {
	532	case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
a5ae2062	533	strcpy((char *) menu->name, "50 Hz");
6a7eba24 JFM	534	return 0;
6a7eba24 JFM	535	case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
a5ae2062	536	strcpy((char *) menu->name, "60 Hz");
6a7eba24 JFM	537	return 0;
	538	}
	539	break;
	540	}
	541	return -EINVAL;
	542	}
	543
77ac0baf JFM	544	static int sd_set_jcomp(struct gspca_dev *gspca_dev,
	545	struct v4l2_jpegcompression *jcomp)
	546	{
	547	struct sd sd = (struct sd ) gspca_dev;
	548
	549	if (jcomp->quality < QUALITY_MIN)
	550	sd->quality = QUALITY_MIN;
	551	else if (jcomp->quality > QUALITY_MAX)
	552	sd->quality = QUALITY_MAX;
	553	else
	554	sd->quality = jcomp->quality;
	555	if (gspca_dev->streaming)
	556	jpeg_set_qual(sd->jpeg_hdr, sd->quality);
ecb77686	557	return gspca_dev->usb_err;
77ac0baf JFM	558	}
	559
	560	static int sd_get_jcomp(struct gspca_dev *gspca_dev,
	561	struct v4l2_jpegcompression *jcomp)
	562	{
	563	struct sd sd = (struct sd ) gspca_dev;
	564
	565	memset(jcomp, 0, sizeof *jcomp);
	566	jcomp->quality = sd->quality;
	567	jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
	568	\| V4L2_JPEG_MARKER_DQT;
	569	return 0;
	570	}
	571
63eb9546	572	/* sub-driver description */
739570bb	573	static const struct sd_desc sd_desc = {
63eb9546 JFM	574	.name = MODULE_NAME,
63eb9546 JFM	575	.ctrls = sd_ctrls,
739570bb	576	.nctrls = ARRAY_SIZE(sd_ctrls),
63eb9546	577	.config = sd_config,
012d6b02	578	.init = sd_init,
63eb9546 JFM	579	.start = sd_start,
63eb9546 JFM	580	.stopN = sd_stopN,
71cb2764	581	.stop0 = sd_stop0,
63eb9546	582	.pkt_scan = sd_pkt_scan,
6a7eba24	583	.querymenu = sd_querymenu,
77ac0baf JFM	584	.get_jcomp = sd_get_jcomp,
77ac0baf JFM	585	.set_jcomp = sd_set_jcomp,
63eb9546 JFM	586	};
	587
	588	/* -- module initialisation -- */
739570bb	589	static const __devinitdata struct usb_device_id device_table[] = {
9d64fdb1	590	{USB_DEVICE(0x05e1, 0x0893)},
63eb9546 JFM	591	{}
	592	};
	593	MODULE_DEVICE_TABLE(usb, device_table);
	594
	595	/* -- device connect -- */
	596	static int sd_probe(struct usb_interface *intf,
	597	const struct usb_device_id *id)
	598	{
d43fa32f JFM	599	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
d43fa32f JFM	600	THIS_MODULE);
63eb9546 JFM	601	}
	602
	603	static struct usb_driver sd_driver = {
	604	.name = MODULE_NAME,
	605	.id_table = device_table,
	606	.probe = sd_probe,
	607	.disconnect = gspca_disconnect,
6a709749 JFM	608	#ifdef CONFIG_PM
	609	.suspend = gspca_suspend,
	610	.resume = gspca_resume,
	611	#endif
63eb9546 JFM	612	};
	613
	614	/* -- module insert / remove -- */
	615	static int __init sd_mod_init(void)
	616	{
f69e9529 AK	617	int ret;
	618	ret = usb_register(&sd_driver);
	619	if (ret < 0)
e6b14849	620	return ret;
10b0e96e	621	info("registered");
63eb9546 JFM	622	return 0;
	623	}
	624	static void __exit sd_mod_exit(void)
	625	{
	626	usb_deregister(&sd_driver);
	627	info("deregistered");
	628	}
	629
	630	module_init(sd_mod_init);
	631	module_exit(sd_mod_exit);