[mirror_ubuntu-zesty-kernel.git] / drivers / media / video / gspca / mars.c

/*
 *		Mars-Semi MR97311A library
 *		Copyright (C) 2005 <bradlch@hotmail.com>
 *
 * 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 "mars"

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

#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(2, 1, 5)
static const char version[] = "2.1.5";

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

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

	char qindex;
};

/* V4L2 controls supported by the driver */
static struct ctrl sd_ctrls[] = {
};

static struct v4l2_pix_format vga_mode[] = {
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 589,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 2},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
};

/* MI Register table //elvis */
enum {
	REG_HW_MI_0,
	REG_HW_MI_1,
	REG_HW_MI_2,
	REG_HW_MI_3,
	REG_HW_MI_4,
	REG_HW_MI_5,
	REG_HW_MI_6,
	REG_HW_MI_7,
	REG_HW_MI_9 = 0x09,
	REG_HW_MI_B = 0x0B,
	REG_HW_MI_C,
	REG_HW_MI_D,
	REG_HW_MI_1E = 0x1E,
	REG_HW_MI_20 = 0x20,
	REG_HW_MI_2B = 0x2B,
	REG_HW_MI_2C,
	REG_HW_MI_2D,
	REG_HW_MI_2E,
	REG_HW_MI_35 = 0x35,
	REG_HW_MI_5F = 0x5f,
	REG_HW_MI_60,
	REG_HW_MI_61,
	REG_HW_MI_62,
	REG_HW_MI_63,
	REG_HW_MI_64,
	REG_HW_MI_F1 = 0xf1,
	ATTR_TOTAL_MI_REG = 242
};

static int pcam_reg_write(struct usb_device *dev,
			  __u16 index, __u8 *value, int len)
{
	int rc;

	rc = usb_control_msg(dev,
			 usb_sndbulkpipe(dev, 4),
			 0x12,
/*		?? 0xc8 = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_??? !? */
			 0xc8,
			 0,		/* value */
			 index, value, len, 500);
	if (rc < 0)
		PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
	return rc;
}

static void MISensor_BulkWrite(struct usb_device *dev,
				unsigned short *pch,
				char Address)
{
	__u8 data[6];

	data[0] = 0x1f;
	data[1] = 0;			/* control byte */
	data[2] = Address;
	data[3] = *pch >> 8;		/* high byte */
	data[4] = *pch;			/* low byte */

	pcam_reg_write(dev, Address, data, 5);
}

/* 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;

	cam = &gspca_dev->cam;
	cam->dev_name = (char *) id->driver_info;
	cam->epaddr = 0x01;
	cam->cam_mode = vga_mode;
	cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
	sd->qindex = 1;			/* set the quantization table */
	return 0;
}

/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
	return 0;
}

static void sd_start(struct gspca_dev *gspca_dev)
{
	struct usb_device *dev = gspca_dev->dev;
	int err_code;
	__u8 data[12];
	__u16 MI_buf[242];
	int h_size, v_size;
	int intpipe;
/*	struct usb_device *dev = pcam->dev; */

	memset(data, 0, sizeof data);
	memset(MI_buf, 0, sizeof MI_buf);

	PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
	if (usb_set_interface(dev, gspca_dev->iface, 8) < 0) {
		PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
		return;
	}

	data[0] = 0x01;		/* address */
	data[1] = 0x01;

	err_code = pcam_reg_write(dev, data[0], data, 2);
	if (err_code < 0)
		return;

	/*
	   Initialize the MR97113 chip register
	 */
	data[0] = 0x00;		/* address */
	data[1] = 0x0c | 0x01;	/* reg 0 */
	data[2] = 0x01;		/* reg 1 */
	h_size = gspca_dev->width;
	v_size = gspca_dev->height;
	data[3] = h_size / 8;	/* h_size , reg 2 */
	data[4] = v_size / 8;	/* v_size , reg 3 */
	data[5] = 0x30;		/* reg 4, MI, PAS5101 :
				 *	0x30 for 24mhz , 0x28 for 12mhz */
	data[6] = 4;		/* reg 5, H start */
	data[7] = 0xc0;		/* reg 6, gamma 1.5 */
	data[8] = 3;		/* reg 7, V start */
/*	if(h_size == 320 ) */
/*		data[9]= 0x56;	 * reg 8, 24MHz, 2:1 scale down */
/*	else */
	data[9] = 0x52;		/* reg 8, 24MHz, no scale down */
	data[10] = 0x5d;	/* reg 9, I2C device address
				 *	[for PAS5101 (0x40)] [for MI (0x5d)] */

	err_code = pcam_reg_write(dev, data[0], data, 11);
	if (err_code < 0)
		return;

	data[0] = 0x23;		/* address */
	data[1] = 0x09;		/* reg 35, append frame header */

	err_code = pcam_reg_write(dev, data[0], data, 2);
	if (err_code < 0) {
		PDEBUG(D_ERR, "Register write failed");
		return;
	}

	data[0] = 0x3C;		/* address */
/*	if (pcam->width == 1280) */
/*		data[1] = 200;	 * reg 60, pc-cam frame size
				 *	(unit: 4KB) 800KB */
/*	else */
	data[1] = 50;		/* 50 reg 60, pc-cam frame size
				 *	(unit: 4KB) 200KB */
	err_code = pcam_reg_write(dev, data[0], data, 2);
	if (err_code < 0)
		return;

	if (0) {			/* fixed dark-gain */
		data[1] = 0;		/* reg 94, Y Gain (1.75) */
		data[2] = 0;		/* reg 95, UV Gain (1.75) */
		data[3] = 0x3f;		/* reg 96, Y Gain/UV Gain/disable
					 *	auto dark-gain */
		data[4] = 0;		/* reg 97, set fixed dark level */
		data[5] = 0;		/* reg 98, don't care */
	} else {			/* auto dark-gain */
		data[1] = 0;		/* reg 94, Y Gain (auto) */
		data[2] = 0;		/* reg 95, UV Gain (1.75) */
		data[3] = 0x78;		/* reg 96, Y Gain/UV Gain/disable
					 *	auto dark-gain */
		switch (gspca_dev->width) {
/*		case 1280: */
/*			data[4] = 154;
				 * reg 97, %3 shadow point (unit: 256 pixel) */
/*			data[5] = 51;
				 * reg 98, %1 highlight point
				 *	(uint: 256 pixel) */
/*			break; */
		default:
/*		case 640: */
			data[4] = 36;	/* reg 97, %3 shadow point
					 *	(unit: 256 pixel) */
			data[5] = 12;	/* reg 98, %1 highlight point
					 *	(uint: 256 pixel) */
			break;
		case 320:
			data[4] = 9;	/* reg 97, %3 shadow point
					 *	(unit: 256 pixel) */
			data[5] = 3;	/* reg 98, %1 highlight point
					 *	(uint: 256 pixel) */
			break;
		}
	}
	/* auto dark-gain */
	data[0] = 0x5e;		/* address */

	err_code = pcam_reg_write(dev, data[0], data, 6);
	if (err_code < 0)
		return;

	data[0] = 0x67;
	data[1] = 0x13;		/* reg 103, first pixel B, disable sharpness */
	err_code = pcam_reg_write(dev, data[0], data, 2);
	if (err_code < 0)
		return;

	/*
	 * initialize the value of MI sensor...
	 */
	MI_buf[REG_HW_MI_1] = 0x000a;
	MI_buf[REG_HW_MI_2] = 0x000c;
	MI_buf[REG_HW_MI_3] = 0x0405;
	MI_buf[REG_HW_MI_4] = 0x0507;
	/* mi_Attr_Reg_[REG_HW_MI_5]	 = 0x01ff;//13 */
	MI_buf[REG_HW_MI_5] = 0x0013;	/* 13 */
	MI_buf[REG_HW_MI_6] = 0x001f;	/* vertical blanking */
	/* mi_Attr_Reg_[REG_HW_MI_6]	 = 0x0400;  // vertical blanking */
	MI_buf[REG_HW_MI_7] = 0x0002;
	/* mi_Attr_Reg_[REG_HW_MI_9]	 = 0x015f; */
	/* mi_Attr_Reg_[REG_HW_MI_9]	 = 0x030f; */
	MI_buf[REG_HW_MI_9] = 0x0374;
	MI_buf[REG_HW_MI_B] = 0x0000;
	MI_buf[REG_HW_MI_C] = 0x0000;
	MI_buf[REG_HW_MI_D] = 0x0000;
	MI_buf[REG_HW_MI_1E] = 0x8000;
/* mi_Attr_Reg_[REG_HW_MI_20]	  = 0x1104; */
	MI_buf[REG_HW_MI_20] = 0x1104;	/* 0x111c; */
	MI_buf[REG_HW_MI_2B] = 0x0008;
/* mi_Attr_Reg_[REG_HW_MI_2C]	  = 0x000f; */
	MI_buf[REG_HW_MI_2C] = 0x001f;	/* lita suggest */
	MI_buf[REG_HW_MI_2D] = 0x0008;
	MI_buf[REG_HW_MI_2E] = 0x0008;
	MI_buf[REG_HW_MI_35] = 0x0051;
	MI_buf[REG_HW_MI_5F] = 0x0904;	/* fail to write */
	MI_buf[REG_HW_MI_60] = 0x0000;
	MI_buf[REG_HW_MI_61] = 0x0000;
	MI_buf[REG_HW_MI_62] = 0x0498;
	MI_buf[REG_HW_MI_63] = 0x0000;
	MI_buf[REG_HW_MI_64] = 0x0000;
	MI_buf[REG_HW_MI_F1] = 0x0001;
	/* changing while setting up the different value of dx/dy */

	if (gspca_dev->width != 1280) {
		MI_buf[0x01] = 0x010a;
		MI_buf[0x02] = 0x014c;
		MI_buf[0x03] = 0x01e5;
		MI_buf[0x04] = 0x0287;
	}
	MI_buf[0x20] = 0x1104;

	MISensor_BulkWrite(dev, MI_buf + 1, 1);
	MISensor_BulkWrite(dev, MI_buf + 2, 2);
	MISensor_BulkWrite(dev, MI_buf + 3, 3);
	MISensor_BulkWrite(dev, MI_buf + 4, 4);
	MISensor_BulkWrite(dev, MI_buf + 5, 5);
	MISensor_BulkWrite(dev, MI_buf + 6, 6);
	MISensor_BulkWrite(dev, MI_buf + 7, 7);
	MISensor_BulkWrite(dev, MI_buf + 9, 9);
	MISensor_BulkWrite(dev, MI_buf + 0x0b, 0x0b);
	MISensor_BulkWrite(dev, MI_buf + 0x0c, 0x0c);
	MISensor_BulkWrite(dev, MI_buf + 0x0d, 0x0d);
	MISensor_BulkWrite(dev, MI_buf + 0x1e, 0x1e);
	MISensor_BulkWrite(dev, MI_buf + 0x20, 0x20);
	MISensor_BulkWrite(dev, MI_buf + 0x2b, 0x2b);
	MISensor_BulkWrite(dev, MI_buf + 0x2c, 0x2c);
	MISensor_BulkWrite(dev, MI_buf + 0x2d, 0x2d);
	MISensor_BulkWrite(dev, MI_buf + 0x2e, 0x2e);
	MISensor_BulkWrite(dev, MI_buf + 0x35, 0x35);
	MISensor_BulkWrite(dev, MI_buf + 0x5f, 0x5f);
	MISensor_BulkWrite(dev, MI_buf + 0x60, 0x60);
	MISensor_BulkWrite(dev, MI_buf + 0x61, 0x61);
	MISensor_BulkWrite(dev, MI_buf + 0x62, 0x62);
	MISensor_BulkWrite(dev, MI_buf + 0x63, 0x63);
	MISensor_BulkWrite(dev, MI_buf + 0x64, 0x64);
	MISensor_BulkWrite(dev, MI_buf + 0xf1, 0xf1);

	intpipe = usb_sndintpipe(dev, 0);
	err_code = usb_clear_halt(dev, intpipe);

	data[0] = 0x00;
	data[1] = 0x4d;		/* ISOC transfering enable... */
	pcam_reg_write(dev, data[0], data, 2);
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	int result;
	__u8 data[2];

	data[0] = 1;
	data[1] = 0;
	result = pcam_reg_write(gspca_dev->dev, data[0], data, 2);
	if (result < 0)
		PDEBUG(D_ERR, "Camera Stop failed");
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
}

static void sd_close(struct gspca_dev *gspca_dev)
{
}

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

	if (len < 6) {
/*		gspca_dev->last_packet_type = DISCARD_PACKET; */
		return;
	}
	for (p = 0; p < len - 6; p++) {
		if (data[0 + p] == 0xff
		    && data[1 + p] == 0xff
		    && data[2 + p] == 0x00
		    && data[3 + p] == 0xff
		    && data[4 + p] == 0x96) {
			if (data[5 + p] == 0x64
			    || data[5 + p] == 0x65
			    || data[5 + p] == 0x66
			    || data[5 + p] == 0x67) {
				PDEBUG(D_PACK, "sof offset: %d leng: %d",
					p, len);
				frame = gspca_frame_add(gspca_dev, LAST_PACKET,
							frame, data, 0);

				/* put the JPEG header */
				jpeg_put_header(gspca_dev, frame,
						sd->qindex, 0x21);
				data += 16;
				len -= 16;
				break;
			}
		}
	}
	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
}

/* 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,
	.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(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")},
	{}
};
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
6a7eba24 JFM	1	/*
	2	* Mars-Semi MR97311A library
	3	* Copyright (C) 2005 <bradlch@hotmail.com>
	4	*
	5	* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*/
	21
	22	#define MODULE_NAME "mars"
	23
	24	#include "gspca.h"
	25	#include "jpeg.h"
	26
c2446b3e JFM	27	#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 5)
c2446b3e JFM	28	static const char version[] = "2.1.5";
6a7eba24 JFM	29
	30	MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
	31	MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver");
	32	MODULE_LICENSE("GPL");
	33
	34	/* specific webcam descriptor */
	35	struct sd {
	36	struct gspca_dev gspca_dev; /* !! must be the first item */
	37
	38	char qindex;
	39	};
	40
	41	/* V4L2 controls supported by the driver */
	42	static struct ctrl sd_ctrls[] = {
	43	};
	44
c2446b3e JFM	45	static struct v4l2_pix_format vga_mode[] = {
	46	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
	47	.bytesperline = 320,
	48	.sizeimage = 320 * 240 * 3 / 8 + 589,
	49	.colorspace = V4L2_COLORSPACE_JPEG,
	50	.priv = 2},
	51	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
	52	.bytesperline = 640,
	53	.sizeimage = 640 * 480 * 3 / 8 + 590,
	54	.colorspace = V4L2_COLORSPACE_JPEG,
	55	.priv = 1},
6a7eba24 JFM	56	};
	57
	58	/* MI Register table //elvis */
	59	enum {
	60	REG_HW_MI_0,
	61	REG_HW_MI_1,
	62	REG_HW_MI_2,
	63	REG_HW_MI_3,
	64	REG_HW_MI_4,
	65	REG_HW_MI_5,
	66	REG_HW_MI_6,
	67	REG_HW_MI_7,
	68	REG_HW_MI_9 = 0x09,
	69	REG_HW_MI_B = 0x0B,
	70	REG_HW_MI_C,
	71	REG_HW_MI_D,
	72	REG_HW_MI_1E = 0x1E,
	73	REG_HW_MI_20 = 0x20,
	74	REG_HW_MI_2B = 0x2B,
	75	REG_HW_MI_2C,
	76	REG_HW_MI_2D,
	77	REG_HW_MI_2E,
	78	REG_HW_MI_35 = 0x35,
	79	REG_HW_MI_5F = 0x5f,
	80	REG_HW_MI_60,
	81	REG_HW_MI_61,
	82	REG_HW_MI_62,
	83	REG_HW_MI_63,
	84	REG_HW_MI_64,
	85	REG_HW_MI_F1 = 0xf1,
	86	ATTR_TOTAL_MI_REG = 242
	87	};
	88
	89	static int pcam_reg_write(struct usb_device *dev,
bf7f0b98	90	__u16 index, __u8 *value, int len)
6a7eba24 JFM	91	{
	92	int rc;
	93
	94	rc = usb_control_msg(dev,
	95	usb_sndbulkpipe(dev, 4),
	96	0x12,
bf7f0b98	97	/* ?? 0xc8 = USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_??? !? */
6a7eba24 JFM	98	0xc8,
6a7eba24 JFM	99	0, /* value */
bf7f0b98	100	index, value, len, 500);
6a7eba24	101	if (rc < 0)
bf7f0b98	102	PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
6a7eba24 JFM	103	return rc;
	104	}
	105
bf7f0b98 JFM	106	static void MISensor_BulkWrite(struct usb_device *dev,
	107	unsigned short *pch,
	108	char Address)
6a7eba24	109	{
bf7f0b98	110	__u8 data[6];
6a7eba24 JFM	111
6a7eba24 JFM	112	data[0] = 0x1f;
bf7f0b98	113	data[1] = 0; /* control byte */
6a7eba24 JFM	114	data[2] = Address;
	115	data[3] = pch >> 8; / high byte */
	116	data[4] = pch; / low byte */
6a7eba24	117
bf7f0b98	118	pcam_reg_write(dev, Address, data, 5);
6a7eba24 JFM	119	}
	120
	121	/* this function is called at probe time */
	122	static int sd_config(struct gspca_dev *gspca_dev,
	123	const struct usb_device_id *id)
	124	{
	125	struct sd sd = (struct sd ) gspca_dev;
	126	struct cam *cam;
	127
	128	cam = &gspca_dev->cam;
	129	cam->dev_name = (char *) id->driver_info;
	130	cam->epaddr = 0x01;
	131	cam->cam_mode = vga_mode;
	132	cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
	133	sd->qindex = 1; /* set the quantization table */
	134	return 0;
	135	}
	136
	137	/* this function is called at open time */
	138	static int sd_open(struct gspca_dev *gspca_dev)
	139	{
	140	return 0;
	141	}
	142
	143	static void sd_start(struct gspca_dev *gspca_dev)
	144	{
	145	struct usb_device *dev = gspca_dev->dev;
	146	int err_code;
	147	__u8 data[12];
	148	__u16 MI_buf[242];
	149	int h_size, v_size;
	150	int intpipe;
a5ae2062 JFM	151	/* struct usb_device dev = pcam->dev; /
a5ae2062 JFM	152
6a7eba24 JFM	153	memset(data, 0, sizeof data);
	154	memset(MI_buf, 0, sizeof MI_buf);
	155
	156	PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
	157	if (usb_set_interface(dev, gspca_dev->iface, 8) < 0) {
	158	PDEBUG(D_ERR\|D_STREAM, "Set packet size: set interface error");
	159	return;
	160	}
	161
	162	data[0] = 0x01; /* address */
	163	data[1] = 0x01;
	164
bf7f0b98	165	err_code = pcam_reg_write(dev, data[0], data, 2);
6a7eba24 JFM	166	if (err_code < 0)
	167	return;
	168
	169	/*
	170	Initialize the MR97113 chip register
	171	*/
	172	data[0] = 0x00; /* address */
	173	data[1] = 0x0c \| 0x01; /* reg 0 */
	174	data[2] = 0x01; /* reg 1 */
	175	h_size = gspca_dev->width;
	176	v_size = gspca_dev->height;
	177	data[3] = h_size / 8; /* h_size , reg 2 */
	178	data[4] = v_size / 8; /* v_size , reg 3 */
	179	data[5] = 0x30; /* reg 4, MI, PAS5101 :
	180	* 0x30 for 24mhz , 0x28 for 12mhz */
	181	data[6] = 4; /* reg 5, H start */
	182	data[7] = 0xc0; /* reg 6, gamma 1.5 */
	183	data[8] = 3; /* reg 7, V start */
	184	/* if(h_size == 320 ) */
	185	/* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */
	186	/* else */
	187	data[9] = 0x52; /* reg 8, 24MHz, no scale down */
	188	data[10] = 0x5d; /* reg 9, I2C device address
	189	* [for PAS5101 (0x40)] [for MI (0x5d)] */
	190
bf7f0b98	191	err_code = pcam_reg_write(dev, data[0], data, 11);
6a7eba24 JFM	192	if (err_code < 0)
	193	return;
	194
	195	data[0] = 0x23; /* address */
	196	data[1] = 0x09; /* reg 35, append frame header */
	197
bf7f0b98	198	err_code = pcam_reg_write(dev, data[0], data, 2);
6a7eba24 JFM	199	if (err_code < 0) {
	200	PDEBUG(D_ERR, "Register write failed");
	201	return;
	202	}
	203
	204	data[0] = 0x3C; /* address */
	205	/* if (pcam->width == 1280) */
	206	/* data[1] = 200; * reg 60, pc-cam frame size
	207	* (unit: 4KB) 800KB */
	208	/* else */
	209	data[1] = 50; /* 50 reg 60, pc-cam frame size
	210	* (unit: 4KB) 200KB */
bf7f0b98	211	err_code = pcam_reg_write(dev, data[0], data, 2);
6a7eba24 JFM	212	if (err_code < 0)
	213	return;
	214
	215	if (0) { /* fixed dark-gain */
	216	data[1] = 0; /* reg 94, Y Gain (1.75) */
	217	data[2] = 0; /* reg 95, UV Gain (1.75) */
956e42d2 JFM	218	data[3] = 0x3f; /* reg 96, Y Gain/UV Gain/disable
956e42d2 JFM	219	* auto dark-gain */
6a7eba24 JFM	220	data[4] = 0; /* reg 97, set fixed dark level */
	221	data[5] = 0; /* reg 98, don't care */
	222	} else { /* auto dark-gain */
	223	data[1] = 0; /* reg 94, Y Gain (auto) */
	224	data[2] = 0; /* reg 95, UV Gain (1.75) */
956e42d2 JFM	225	data[3] = 0x78; /* reg 96, Y Gain/UV Gain/disable
956e42d2 JFM	226	* auto dark-gain */
6a7eba24 JFM	227	switch (gspca_dev->width) {
	228	/* case 1280: */
	229	/* data[4] = 154;
	230	* reg 97, %3 shadow point (unit: 256 pixel) */
	231	/* data[5] = 51;
	232	* reg 98, %1 highlight point
	233	* (uint: 256 pixel) */
	234	/* break; */
	235	default:
	236	/* case 640: */
	237	data[4] = 36; /* reg 97, %3 shadow point
	238	* (unit: 256 pixel) */
	239	data[5] = 12; /* reg 98, %1 highlight point
	240	* (uint: 256 pixel) */
	241	break;
	242	case 320:
	243	data[4] = 9; /* reg 97, %3 shadow point
	244	* (unit: 256 pixel) */
	245	data[5] = 3; /* reg 98, %1 highlight point
	246	* (uint: 256 pixel) */
	247	break;
	248	}
	249	}
	250	/* auto dark-gain */
	251	data[0] = 0x5e; /* address */
	252
bf7f0b98	253	err_code = pcam_reg_write(dev, data[0], data, 6);
6a7eba24 JFM	254	if (err_code < 0)
	255	return;
	256
	257	data[0] = 0x67;
	258	data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */
bf7f0b98	259	err_code = pcam_reg_write(dev, data[0], data, 2);
6a7eba24 JFM	260	if (err_code < 0)
	261	return;
	262
	263	/*
	264	* initialize the value of MI sensor...
	265	*/
	266	MI_buf[REG_HW_MI_1] = 0x000a;
	267	MI_buf[REG_HW_MI_2] = 0x000c;
	268	MI_buf[REG_HW_MI_3] = 0x0405;
	269	MI_buf[REG_HW_MI_4] = 0x0507;
	270	/* mi_Attr_Reg_[REG_HW_MI_5] = 0x01ff;//13 */
	271	MI_buf[REG_HW_MI_5] = 0x0013; /* 13 */
	272	MI_buf[REG_HW_MI_6] = 0x001f; /* vertical blanking */
	273	/* mi_Attr_Reg_[REG_HW_MI_6] = 0x0400; // vertical blanking */
	274	MI_buf[REG_HW_MI_7] = 0x0002;
	275	/* mi_Attr_Reg_[REG_HW_MI_9] = 0x015f; */
	276	/* mi_Attr_Reg_[REG_HW_MI_9] = 0x030f; */
	277	MI_buf[REG_HW_MI_9] = 0x0374;
	278	MI_buf[REG_HW_MI_B] = 0x0000;
	279	MI_buf[REG_HW_MI_C] = 0x0000;
	280	MI_buf[REG_HW_MI_D] = 0x0000;
	281	MI_buf[REG_HW_MI_1E] = 0x8000;
	282	/* mi_Attr_Reg_[REG_HW_MI_20] = 0x1104; */
	283	MI_buf[REG_HW_MI_20] = 0x1104; /* 0x111c; */
	284	MI_buf[REG_HW_MI_2B] = 0x0008;
	285	/* mi_Attr_Reg_[REG_HW_MI_2C] = 0x000f; */
	286	MI_buf[REG_HW_MI_2C] = 0x001f; /* lita suggest */
	287	MI_buf[REG_HW_MI_2D] = 0x0008;
	288	MI_buf[REG_HW_MI_2E] = 0x0008;
	289	MI_buf[REG_HW_MI_35] = 0x0051;
	290	MI_buf[REG_HW_MI_5F] = 0x0904; /* fail to write */
	291	MI_buf[REG_HW_MI_60] = 0x0000;
	292	MI_buf[REG_HW_MI_61] = 0x0000;
	293	MI_buf[REG_HW_MI_62] = 0x0498;
	294	MI_buf[REG_HW_MI_63] = 0x0000;
	295	MI_buf[REG_HW_MI_64] = 0x0000;
	296	MI_buf[REG_HW_MI_F1] = 0x0001;
	297	/* changing while setting up the different value of dx/dy */
	298
	299	if (gspca_dev->width != 1280) {
	300	MI_buf[0x01] = 0x010a;
	301	MI_buf[0x02] = 0x014c;
	302	MI_buf[0x03] = 0x01e5;
	303	MI_buf[0x04] = 0x0287;
	304	}
	305	MI_buf[0x20] = 0x1104;
	306
	307	MISensor_BulkWrite(dev, MI_buf + 1, 1);
	308	MISensor_BulkWrite(dev, MI_buf + 2, 2);
	309	MISensor_BulkWrite(dev, MI_buf + 3, 3);
	310	MISensor_BulkWrite(dev, MI_buf + 4, 4);
	311	MISensor_BulkWrite(dev, MI_buf + 5, 5);
	312	MISensor_BulkWrite(dev, MI_buf + 6, 6);
	313	MISensor_BulkWrite(dev, MI_buf + 7, 7);
	314	MISensor_BulkWrite(dev, MI_buf + 9, 9);
	315	MISensor_BulkWrite(dev, MI_buf + 0x0b, 0x0b);
	316	MISensor_BulkWrite(dev, MI_buf + 0x0c, 0x0c);
	317	MISensor_BulkWrite(dev, MI_buf + 0x0d, 0x0d);
	318	MISensor_BulkWrite(dev, MI_buf + 0x1e, 0x1e);
	319	MISensor_BulkWrite(dev, MI_buf + 0x20, 0x20);
	320	MISensor_BulkWrite(dev, MI_buf + 0x2b, 0x2b);
	321	MISensor_BulkWrite(dev, MI_buf + 0x2c, 0x2c);
	322	MISensor_BulkWrite(dev, MI_buf + 0x2d, 0x2d);
	323	MISensor_BulkWrite(dev, MI_buf + 0x2e, 0x2e);
324	MISensor_BulkWrite(dev, MI_buf + 0x35, 0x35);
325	MISensor_BulkWrite(dev, MI_buf + 0x5f, 0x5f);
326	MISensor_BulkWrite(dev, MI_buf + 0x60, 0x60);
327	MISensor_BulkWrite(dev, MI_buf + 0x61, 0x61);
328	MISensor_BulkWrite(dev, MI_buf + 0x62, 0x62);
329	MISensor_BulkWrite(dev, MI_buf + 0x63, 0x63);
330	MISensor_BulkWrite(dev, MI_buf + 0x64, 0x64);
331	MISensor_BulkWrite(dev, MI_buf + 0xf1, 0xf1);
332
333	intpipe = usb_sndintpipe(dev, 0);
334	err_code = usb_clear_halt(dev, intpipe);
335
336	data[0] = 0x00;
337	data[1] = 0x4d; /* ISOC transfering enable... */
bf7f0b98	338	pcam_reg_write(dev, data[0], data, 2);
6a7eba24 JFM	339	}
	340
	341	static void sd_stopN(struct gspca_dev *gspca_dev)
	342	{
	343	int result;
	344	__u8 data[2];
	345
	346	data[0] = 1;
	347	data[1] = 0;
	348	result = pcam_reg_write(gspca_dev->dev, data[0], data, 2);
	349	if (result < 0)
	350	PDEBUG(D_ERR, "Camera Stop failed");
	351	}
	352
	353	static void sd_stop0(struct gspca_dev *gspca_dev)
	354	{
	355	}
	356
	357	static void sd_close(struct gspca_dev *gspca_dev)
	358	{
	359	}
	360
	361	static void sd_pkt_scan(struct gspca_dev *gspca_dev,
	362	struct gspca_frame frame, / target */
a5ae2062	363	__u8 data, / isoc packet */
6a7eba24 JFM	364	int len) /* iso packet length */
	365	{
	366	struct sd sd = (struct sd ) gspca_dev;
	367	int p;
	368
	369	if (len < 6) {
	370	/* gspca_dev->last_packet_type = DISCARD_PACKET; */
	371	return;
	372	}
	373	for (p = 0; p < len - 6; p++) {
	374	if (data[0 + p] == 0xff
	375	&& data[1 + p] == 0xff
	376	&& data[2 + p] == 0x00
	377	&& data[3 + p] == 0xff
	378	&& data[4 + p] == 0x96) {
	379	if (data[5 + p] == 0x64
	380	\|\| data[5 + p] == 0x65
	381	\|\| data[5 + p] == 0x66
	382	\|\| data[5 + p] == 0x67) {
	383	PDEBUG(D_PACK, "sof offset: %d leng: %d",
	384	p, len);
	385	frame = gspca_frame_add(gspca_dev, LAST_PACKET,
	386	frame, data, 0);
	387
	388	/* put the JPEG header */
	389	jpeg_put_header(gspca_dev, frame,
	390	sd->qindex, 0x21);
	391	data += 16;
	392	len -= 16;
	393	break;
	394	}
	395	}
	396	}
	397	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
	398	}
	399
	400	/* sub-driver description */
a5ae2062	401	static const struct sd_desc sd_desc = {
6a7eba24 JFM	402	.name = MODULE_NAME,
	403	.ctrls = sd_ctrls,
	404	.nctrls = ARRAY_SIZE(sd_ctrls),
	405	.config = sd_config,
	406	.open = sd_open,
	407	.start = sd_start,
	408	.stopN = sd_stopN,
	409	.stop0 = sd_stop0,
	410	.close = sd_close,
	411	.pkt_scan = sd_pkt_scan,
	412	};
	413
	414	/* -- module initialisation -- */
	415	#define DVNM(name) .driver_info = (kernel_ulong_t) name
a5ae2062	416	static const __devinitdata struct usb_device_id device_table[] = {
6a7eba24 JFM	417	{USB_DEVICE(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")},
	418	{}
	419	};
	420	MODULE_DEVICE_TABLE(usb, device_table);
	421
	422	/* -- device connect -- */
	423	static int sd_probe(struct usb_interface *intf,
	424	const struct usb_device_id *id)
	425	{
	426	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
	427	THIS_MODULE);
	428	}
	429
	430	static struct usb_driver sd_driver = {
	431	.name = MODULE_NAME,
	432	.id_table = device_table,
	433	.probe = sd_probe,
	434	.disconnect = gspca_disconnect,
	435	};
	436
	437	/* -- module insert / remove -- */
	438	static int __init sd_mod_init(void)
	439	{
	440	if (usb_register(&sd_driver) < 0)
	441	return -1;
	442	PDEBUG(D_PROBE, "v%s registered", version);
	443	return 0;
	444	}
	445	static void __exit sd_mod_exit(void)
	446	{
	447	usb_deregister(&sd_driver);
	448	PDEBUG(D_PROBE, "deregistered");
	449	}
	450
	451	module_init(sd_mod_init);
	452	module_exit(sd_mod_exit);