[mirror_ubuntu-artful-kernel.git] / drivers / media / usb / gspca / tv8532.c

/*
 * Quickcam cameras initialization data
 *
 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
#define MODULE_NAME "tv8532"

#include "gspca.h"

MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("TV8532 USB Camera Driver");
MODULE_LICENSE("GPL");

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

	__u8 packet;
};

static const struct v4l2_pix_format sif_mode[] = {
	{176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

/* TV-8532A (ICM532A) registers (LE) */
#define R00_PART_CONTROL 0x00
#define		LATENT_CHANGE	0x80
#define		EXPO_CHANGE	0x04
#define R01_TIMING_CONTROL_LOW 0x01
#define		CMD_EEprom_Open 0x30
#define		CMD_EEprom_Close 0x29
#define R03_TABLE_ADDR 0x03
#define R04_WTRAM_DATA_L 0x04
#define R05_WTRAM_DATA_M 0x05
#define R06_WTRAM_DATA_H 0x06
#define R07_TABLE_LEN	0x07
#define R08_RAM_WRITE_ACTION 0x08
#define R0C_AD_WIDTHL	0x0c
#define R0D_AD_WIDTHH	0x0d
#define R0E_AD_HEIGHTL	0x0e
#define R0F_AD_HEIGHTH	0x0f
#define R10_AD_COL_BEGINL 0x10
#define R11_AD_COL_BEGINH 0x11
#define		MIRROR		0x04	/* [10] */
#define R14_AD_ROW_BEGINL 0x14
#define R15_AD_ROWBEGINH  0x15
#define R1C_AD_EXPOSE_TIMEL 0x1c
#define R20_GAIN_G1L	0x20
#define R21_GAIN_G1H	0x21
#define R22_GAIN_RL	0x22
#define R23_GAIN_RH	0x23
#define R24_GAIN_BL	0x24
#define R25_GAIN_BH	0x25
#define R26_GAIN_G2L	0x26
#define R27_GAIN_G2H	0x27
#define R28_QUANT	0x28
#define R29_LINE	0x29
#define R2C_POLARITY	0x2c
#define R2D_POINT	0x2d
#define R2E_POINTH	0x2e
#define R2F_POINTB	0x2f
#define R30_POINTBH	0x30
#define R31_UPD		0x31
#define R2A_HIGH_BUDGET 0x2a
#define R2B_LOW_BUDGET	0x2b
#define R34_VID		0x34
#define R35_VIDH	0x35
#define R36_PID		0x36
#define R37_PIDH	0x37
#define R39_Test1	0x39		/* GPIO */
#define R3B_Test3	0x3b		/* GPIO */
#define R83_AD_IDH	0x83
#define R91_AD_SLOPEREG 0x91
#define R94_AD_BITCONTROL 0x94

static const u8 eeprom_data[][3] = {
/*	dataH dataM dataL */
	{0x01, 0x00, 0x01},
	{0x01, 0x80, 0x11},
	{0x05, 0x00, 0x14},
	{0x05, 0x00, 0x1c},
	{0x0d, 0x00, 0x1e},
	{0x05, 0x00, 0x1f},
	{0x05, 0x05, 0x19},
	{0x05, 0x01, 0x1b},
	{0x05, 0x09, 0x1e},
	{0x0d, 0x89, 0x2e},
	{0x05, 0x89, 0x2f},
	{0x05, 0x0d, 0xd9},
	{0x05, 0x09, 0xf1},
};


/* write 1 byte */
static void reg_w1(struct gspca_dev *gspca_dev,
		  __u16 index, __u8 value)
{
	gspca_dev->usb_buf[0] = value;
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x02,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,	/* value */
			index, gspca_dev->usb_buf, 1, 500);
}

/* write 2 bytes */
static void reg_w2(struct gspca_dev *gspca_dev,
		  u16 index, u16 value)
{
	gspca_dev->usb_buf[0] = value;
	gspca_dev->usb_buf[1] = value >> 8;
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0x02,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,	/* value */
			index, gspca_dev->usb_buf, 2, 500);
}

static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
{
	int i;

	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Open);
	for (i = 0; i < ARRAY_SIZE(eeprom_data); i++) {
		reg_w1(gspca_dev, R03_TABLE_ADDR, i);
		reg_w1(gspca_dev, R04_WTRAM_DATA_L, eeprom_data[i][2]);
		reg_w1(gspca_dev, R05_WTRAM_DATA_M, eeprom_data[i][1]);
		reg_w1(gspca_dev, R06_WTRAM_DATA_H, eeprom_data[i][0]);
		reg_w1(gspca_dev, R08_RAM_WRITE_ACTION, 0);
	}
	reg_w1(gspca_dev, R07_TABLE_LEN, i);
	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close);
}

/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
		     const struct usb_device_id *id)
{
	struct cam *cam;

	cam = &gspca_dev->cam;
	cam->cam_mode = sif_mode;
	cam->nmodes = ARRAY_SIZE(sif_mode);

	return 0;
}

static void tv_8532_setReg(struct gspca_dev *gspca_dev)
{
	reg_w1(gspca_dev, R3B_Test3, 0x0a);	/* Test0Sel = 10 */
	/******************************************************/
	reg_w1(gspca_dev, R0E_AD_HEIGHTL, 0x90);
	reg_w1(gspca_dev, R0F_AD_HEIGHTH, 0x01);
	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f);
	reg_w1(gspca_dev, R10_AD_COL_BEGINL, 0x44);
						/* begin active line */
	reg_w1(gspca_dev, R11_AD_COL_BEGINH, 0x00);
						/* mirror and digital gain */
	reg_w1(gspca_dev, R14_AD_ROW_BEGINL, 0x0a);

	reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02);
	reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00);
	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
						/* = 0x84 */
}

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
	tv_8532WriteEEprom(gspca_dev);

	return 0;
}

static void setexposure(struct gspca_dev *gspca_dev, s32 val)
{
	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, val);
	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
						/* 0x84 */
}

static void setgain(struct gspca_dev *gspca_dev, s32 val)
{
	reg_w2(gspca_dev, R20_GAIN_G1L, val);
	reg_w2(gspca_dev, R22_GAIN_RL, val);
	reg_w2(gspca_dev, R24_GAIN_BL, val);
	reg_w2(gspca_dev, R26_GAIN_G2L, val);
}

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

	reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8);		/* 0x20; 0x0c */
	reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03);

	/************************************************/
	reg_w1(gspca_dev, R28_QUANT, 0x90);
					/* 0x72 compressed mode 0x28 */
	if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
		/* 176x144 */
		reg_w1(gspca_dev, R29_LINE, 0x41);
					/* CIF - 2 lines/packet */
	} else {
		/* 352x288 */
		reg_w1(gspca_dev, R29_LINE, 0x81);
					/* CIF - 2 lines/packet */
	}
	/************************************************/
	reg_w1(gspca_dev, R2C_POLARITY, 0x10);		/* slow clock */
	reg_w1(gspca_dev, R2D_POINT, 0x14);
	reg_w1(gspca_dev, R2E_POINTH, 0x01);
	reg_w1(gspca_dev, R2F_POINTB, 0x12);
	reg_w1(gspca_dev, R30_POINTBH, 0x01);

	tv_8532_setReg(gspca_dev);

	/************************************************/
	reg_w1(gspca_dev, R31_UPD, 0x01);	/* update registers */
	msleep(200);
	reg_w1(gspca_dev, R31_UPD, 0x00);	/* end update */

	gspca_dev->empty_packet = 0;		/* check the empty packets */
	sd->packet = 0;				/* ignore the first packets */

	return 0;
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	reg_w1(gspca_dev, R3B_Test3, 0x0b);	/* Test0Sel = 11 = GPIO */
}

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;
	int packet_type0, packet_type1;

	packet_type0 = packet_type1 = INTER_PACKET;
	if (gspca_dev->empty_packet) {
		gspca_dev->empty_packet = 0;
		sd->packet = gspca_dev->pixfmt.height / 2;
		packet_type0 = FIRST_PACKET;
	} else if (sd->packet == 0)
		return;			/* 2 more lines in 352x288 ! */
	sd->packet--;
	if (sd->packet == 0)
		packet_type1 = LAST_PACKET;

	/* each packet contains:
	 * - header 2 bytes
	 * - RGRG line
	 * - 4 bytes
	 * - GBGB line
	 * - 4 bytes
	 */
	gspca_frame_add(gspca_dev, packet_type0,
			data + 2, gspca_dev->pixfmt.width);
	gspca_frame_add(gspca_dev, packet_type1,
			data + gspca_dev->pixfmt.width + 5,
			gspca_dev->pixfmt.width);
}

static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct gspca_dev *gspca_dev =
		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);

	gspca_dev->usb_err = 0;

	if (!gspca_dev->streaming)
		return 0;

	switch (ctrl->id) {
	case V4L2_CID_EXPOSURE:
		setexposure(gspca_dev, ctrl->val);
		break;
	case V4L2_CID_GAIN:
		setgain(gspca_dev, ctrl->val);
		break;
	}
	return gspca_dev->usb_err;
}

static const struct v4l2_ctrl_ops sd_ctrl_ops = {
	.s_ctrl = sd_s_ctrl,
};

static int sd_init_controls(struct gspca_dev *gspca_dev)
{
	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;

	gspca_dev->vdev.ctrl_handler = hdl;
	v4l2_ctrl_handler_init(hdl, 2);
	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_EXPOSURE, 0, 0x18f, 1, 0x18f);
	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_GAIN, 0, 0x7ff, 1, 0x100);

	if (hdl->error) {
		pr_err("Could not initialize controls\n");
		return hdl->error;
	}
	return 0;
}

/* sub-driver description */
static const struct sd_desc sd_desc = {
	.name = MODULE_NAME,
	.config = sd_config,
	.init = sd_init,
	.init_controls = sd_init_controls,
	.start = sd_start,
	.stopN = sd_stopN,
	.pkt_scan = sd_pkt_scan,
};

/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
	{USB_DEVICE(0x046d, 0x0920)},
	{USB_DEVICE(0x046d, 0x0921)},
	{USB_DEVICE(0x0545, 0x808b)},
	{USB_DEVICE(0x0545, 0x8333)},
	{USB_DEVICE(0x0923, 0x010f)},
	{}
};

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,
	.reset_resume = gspca_resume,
#endif
};

module_usb_driver(sd_driver);
Commit	Line	Data
6a7eba24 JFM	1	/*
	2	* Quickcam cameras initialization data
	3	*
	4	* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
	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
	19	*
	20	*/
	21	#define MODULE_NAME "tv8532"
	22
	23	#include "gspca.h"
	24
6a7eba24 JFM	25	MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
	26	MODULE_DESCRIPTION("TV8532 USB Camera Driver");
	27	MODULE_LICENSE("GPL");
	28
	29	/* specific webcam descriptor */
	30	struct sd {
	31	struct gspca_dev gspca_dev; /* !! must be the first item */
	32
ba13cca7	33	__u8 packet;
6a7eba24 JFM	34	};
6a7eba24 JFM	35
cc611b8a	36	static const struct v4l2_pix_format sif_mode[] = {
c2446b3e JFM	37	{176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
	38	.bytesperline = 176,
	39	.sizeimage = 176 * 144,
	40	.colorspace = V4L2_COLORSPACE_SRGB,
	41	.priv = 1},
	42	{352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
	43	.bytesperline = 352,
	44	.sizeimage = 352 * 288,
	45	.colorspace = V4L2_COLORSPACE_SRGB,
	46	.priv = 0},
6a7eba24 JFM	47	};
6a7eba24 JFM	48
ca5e578f JFM	49	/* TV-8532A (ICM532A) registers (LE) */
	50	#define R00_PART_CONTROL 0x00
	51	#define LATENT_CHANGE 0x80
	52	#define EXPO_CHANGE 0x04
	53	#define R01_TIMING_CONTROL_LOW 0x01
	54	#define CMD_EEprom_Open 0x30
	55	#define CMD_EEprom_Close 0x29
	56	#define R03_TABLE_ADDR 0x03
	57	#define R04_WTRAM_DATA_L 0x04
	58	#define R05_WTRAM_DATA_M 0x05
	59	#define R06_WTRAM_DATA_H 0x06
	60	#define R07_TABLE_LEN 0x07
	61	#define R08_RAM_WRITE_ACTION 0x08
	62	#define R0C_AD_WIDTHL 0x0c
	63	#define R0D_AD_WIDTHH 0x0d
	64	#define R0E_AD_HEIGHTL 0x0e
	65	#define R0F_AD_HEIGHTH 0x0f
	66	#define R10_AD_COL_BEGINL 0x10
	67	#define R11_AD_COL_BEGINH 0x11
	68	#define MIRROR 0x04 /* [10] */
	69	#define R14_AD_ROW_BEGINL 0x14
	70	#define R15_AD_ROWBEGINH 0x15
	71	#define R1C_AD_EXPOSE_TIMEL 0x1c
14bff9b8 HG	72	#define R20_GAIN_G1L 0x20
	73	#define R21_GAIN_G1H 0x21
	74	#define R22_GAIN_RL 0x22
	75	#define R23_GAIN_RH 0x23
	76	#define R24_GAIN_BL 0x24
	77	#define R25_GAIN_BH 0x25
	78	#define R26_GAIN_G2L 0x26
	79	#define R27_GAIN_G2H 0x27
ca5e578f JFM	80	#define R28_QUANT 0x28
	81	#define R29_LINE 0x29
	82	#define R2C_POLARITY 0x2c
	83	#define R2D_POINT 0x2d
	84	#define R2E_POINTH 0x2e
	85	#define R2F_POINTB 0x2f
	86	#define R30_POINTBH 0x30
	87	#define R31_UPD 0x31
	88	#define R2A_HIGH_BUDGET 0x2a
	89	#define R2B_LOW_BUDGET 0x2b
	90	#define R34_VID 0x34
	91	#define R35_VIDH 0x35
	92	#define R36_PID 0x36
	93	#define R37_PIDH 0x37
	94	#define R39_Test1 0x39 /* GPIO */
1d00d6c1	95	#define R3B_Test3 0x3b /* GPIO */
ca5e578f JFM	96	#define R83_AD_IDH 0x83
	97	#define R91_AD_SLOPEREG 0x91
	98	#define R94_AD_BITCONTROL 0x94
	99
	100	static const u8 eeprom_data[][3] = {
	101	/* dataH dataM dataL */
	102	{0x01, 0x00, 0x01},
	103	{0x01, 0x80, 0x11},
	104	{0x05, 0x00, 0x14},
	105	{0x05, 0x00, 0x1c},
	106	{0x0d, 0x00, 0x1e},
	107	{0x05, 0x00, 0x1f},
	108	{0x05, 0x05, 0x19},
	109	{0x05, 0x01, 0x1b},
	110	{0x05, 0x09, 0x1e},
	111	{0x0d, 0x89, 0x2e},
	112	{0x05, 0x89, 0x2f},
	113	{0x05, 0x0d, 0xd9},
	114	{0x05, 0x09, 0xf1},
6a7eba24 JFM	115	};
6a7eba24 JFM	116
6a7eba24	117
739570bb	118	/* write 1 byte */
ca5e578f	119	static void reg_w1(struct gspca_dev *gspca_dev,
739570bb	120	__u16 index, __u8 value)
6a7eba24	121	{
739570bb JFM	122	gspca_dev->usb_buf[0] = value;
	123	usb_control_msg(gspca_dev->dev,
	124	usb_sndctrlpipe(gspca_dev->dev, 0),
ca5e578f	125	0x02,
6a7eba24 JFM	126	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
6a7eba24 JFM	127	0, /* value */
739570bb JFM	128	index, gspca_dev->usb_buf, 1, 500);
	129	}
	130
	131	/* write 2 bytes */
ca5e578f JFM	132	static void reg_w2(struct gspca_dev *gspca_dev,
ca5e578f JFM	133	u16 index, u16 value)
739570bb	134	{
ca5e578f JFM	135	gspca_dev->usb_buf[0] = value;
ca5e578f JFM	136	gspca_dev->usb_buf[1] = value >> 8;
739570bb JFM	137	usb_control_msg(gspca_dev->dev,
739570bb JFM	138	usb_sndctrlpipe(gspca_dev->dev, 0),
ca5e578f	139	0x02,
739570bb JFM	140	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	141	0, /* value */
	142	index, gspca_dev->usb_buf, 2, 500);
6a7eba24 JFM	143	}
	144
	145	static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
	146	{
ca5e578f JFM	147	int i;
	148
	149	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Open);
	150	for (i = 0; i < ARRAY_SIZE(eeprom_data); i++) {
	151	reg_w1(gspca_dev, R03_TABLE_ADDR, i);
	152	reg_w1(gspca_dev, R04_WTRAM_DATA_L, eeprom_data[i][2]);
	153	reg_w1(gspca_dev, R05_WTRAM_DATA_M, eeprom_data[i][1]);
	154	reg_w1(gspca_dev, R06_WTRAM_DATA_H, eeprom_data[i][0]);
	155	reg_w1(gspca_dev, R08_RAM_WRITE_ACTION, 0);
6a7eba24	156	}
ca5e578f JFM	157	reg_w1(gspca_dev, R07_TABLE_LEN, i);
ca5e578f JFM	158	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close);
6a7eba24 JFM	159	}
	160
	161	/* this function is called at probe time */
	162	static int sd_config(struct gspca_dev *gspca_dev,
	163	const struct usb_device_id *id)
	164	{
6a7eba24 JFM	165	struct cam *cam;
6a7eba24 JFM	166
6a7eba24	167	cam = &gspca_dev->cam;
6a7eba24	168	cam->cam_mode = sif_mode;
ca5e578f	169	cam->nmodes = ARRAY_SIZE(sif_mode);
6a7eba24	170
6a7eba24 JFM	171	return 0;
	172	}
	173
6a7eba24 JFM	174	static void tv_8532_setReg(struct gspca_dev *gspca_dev)
6a7eba24 JFM	175	{
ca5e578f	176	reg_w1(gspca_dev, R3B_Test3, 0x0a); /* Test0Sel = 10 */
6a7eba24	177	/******************************************************/
ca5e578f JFM	178	reg_w1(gspca_dev, R0E_AD_HEIGHTL, 0x90);
	179	reg_w1(gspca_dev, R0F_AD_HEIGHTH, 0x01);
	180	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f);
	181	reg_w1(gspca_dev, R10_AD_COL_BEGINL, 0x44);
	182	/* begin active line */
	183	reg_w1(gspca_dev, R11_AD_COL_BEGINH, 0x00);
	184	/* mirror and digital gain */
	185	reg_w1(gspca_dev, R14_AD_ROW_BEGINL, 0x0a);
	186
ca5e578f	187	reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02);
ca5e578f JFM	188	reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00);
	189	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE \| EXPO_CHANGE);
	190	/* = 0x84 */
6a7eba24 JFM	191	}
6a7eba24 JFM	192
012d6b02 JFM	193	/* this function is called at probe and resume time */
012d6b02 JFM	194	static int sd_init(struct gspca_dev *gspca_dev)
6a7eba24	195	{
ca5e578f JFM	196	tv_8532WriteEEprom(gspca_dev);
ca5e578f JFM	197
6a7eba24 JFM	198	return 0;
	199	}
	200
726795c1	201	static void setexposure(struct gspca_dev *gspca_dev, s32 val)
6a7eba24	202	{
726795c1	203	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, val);
ca5e578f JFM	204	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE \| EXPO_CHANGE);
ca5e578f JFM	205	/* 0x84 */
6a7eba24 JFM	206	}
6a7eba24 JFM	207
726795c1	208	static void setgain(struct gspca_dev *gspca_dev, s32 val)
14bff9b8	209	{
726795c1 HV	210	reg_w2(gspca_dev, R20_GAIN_G1L, val);
	211	reg_w2(gspca_dev, R22_GAIN_RL, val);
	212	reg_w2(gspca_dev, R24_GAIN_BL, val);
	213	reg_w2(gspca_dev, R26_GAIN_G2L, val);
14bff9b8 HG	214	}
14bff9b8 HG	215
6a7eba24	216	/* -- start the camera -- */
72ab97ce	217	static int sd_start(struct gspca_dev *gspca_dev)
6a7eba24	218	{
2e0903b0 JFM	219	struct sd sd = (struct sd ) gspca_dev;
2e0903b0 JFM	220
ca5e578f JFM	221	reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8); /* 0x20; 0x0c */
ca5e578f JFM	222	reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03);
6a7eba24 JFM	223
6a7eba24 JFM	224	/************************************************/
ca5e578f JFM	225	reg_w1(gspca_dev, R28_QUANT, 0x90);
ca5e578f JFM	226	/* 0x72 compressed mode 0x28 */
c2446b3e	227	if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
6a7eba24	228	/* 176x144 */
ca5e578f JFM	229	reg_w1(gspca_dev, R29_LINE, 0x41);
ca5e578f JFM	230	/* CIF - 2 lines/packet */
6a7eba24 JFM	231	} else {
6a7eba24 JFM	232	/* 352x288 */
ca5e578f JFM	233	reg_w1(gspca_dev, R29_LINE, 0x81);
ca5e578f JFM	234	/* CIF - 2 lines/packet */
6a7eba24 JFM	235	}
6a7eba24 JFM	236	/************************************************/
ca5e578f JFM	237	reg_w1(gspca_dev, R2C_POLARITY, 0x10); /* slow clock */
	238	reg_w1(gspca_dev, R2D_POINT, 0x14);
	239	reg_w1(gspca_dev, R2E_POINTH, 0x01);
	240	reg_w1(gspca_dev, R2F_POINTB, 0x12);
	241	reg_w1(gspca_dev, R30_POINTBH, 0x01);
5e027610 HG	242
	243	tv_8532_setReg(gspca_dev);
	244
6a7eba24	245	/************************************************/
ca5e578f	246	reg_w1(gspca_dev, R31_UPD, 0x01); /* update registers */
6a7eba24	247	msleep(200);
ca5e578f	248	reg_w1(gspca_dev, R31_UPD, 0x00); /* end update */
ba13cca7 JFM	249
ba13cca7 JFM	250	gspca_dev->empty_packet = 0; /* check the empty packets */
2e0903b0	251	sd->packet = 0; /* ignore the first packets */
ba13cca7	252
72ab97ce	253	return 0;
6a7eba24 JFM	254	}
	255
	256	static void sd_stopN(struct gspca_dev *gspca_dev)
	257	{
ca5e578f	258	reg_w1(gspca_dev, R3B_Test3, 0x0b); /* Test0Sel = 11 = GPIO */
6a7eba24 JFM	259	}
6a7eba24 JFM	260
6a7eba24	261	static void sd_pkt_scan(struct gspca_dev *gspca_dev,
76dd272b	262	u8 data, / isoc packet */
6a7eba24 JFM	263	int len) /* iso packet length */
	264	{
	265	struct sd sd = (struct sd ) gspca_dev;
2e0903b0	266	int packet_type0, packet_type1;
6a7eba24	267
2e0903b0	268	packet_type0 = packet_type1 = INTER_PACKET;
ba13cca7	269	if (gspca_dev->empty_packet) {
2e0903b0	270	gspca_dev->empty_packet = 0;
1966bc2a	271	sd->packet = gspca_dev->pixfmt.height / 2;
2e0903b0 JFM	272	packet_type0 = FIRST_PACKET;
	273	} else if (sd->packet == 0)
	274	return; /* 2 more lines in 352x288 ! */
	275	sd->packet--;
	276	if (sd->packet == 0)
	277	packet_type1 = LAST_PACKET;
	278
	279	/* each packet contains:
	280	* - header 2 bytes
ca5e578f	281	* - RGRG line
2e0903b0	282	* - 4 bytes
ca5e578f	283	* - GBGB line
2e0903b0 JFM	284	* - 4 bytes
	285	*/
	286	gspca_frame_add(gspca_dev, packet_type0,
1966bc2a	287	data + 2, gspca_dev->pixfmt.width);
2e0903b0	288	gspca_frame_add(gspca_dev, packet_type1,
1966bc2a OZ	289	data + gspca_dev->pixfmt.width + 5,
1966bc2a OZ	290	gspca_dev->pixfmt.width);
6a7eba24 JFM	291	}
6a7eba24 JFM	292
726795c1	293	static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
6a7eba24	294	{
726795c1 HV	295	struct gspca_dev *gspca_dev =
726795c1 HV	296	container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
6a7eba24	297
726795c1	298	gspca_dev->usb_err = 0;
6a7eba24	299
726795c1 HV	300	if (!gspca_dev->streaming)
726795c1 HV	301	return 0;
6a7eba24	302
726795c1 HV	303	switch (ctrl->id) {
	304	case V4L2_CID_EXPOSURE:
	305	setexposure(gspca_dev, ctrl->val);
	306	break;
	307	case V4L2_CID_GAIN:
	308	setgain(gspca_dev, ctrl->val);
	309	break;
	310	}
	311	return gspca_dev->usb_err;
6a7eba24 JFM	312	}
6a7eba24 JFM	313
726795c1 HV	314	static const struct v4l2_ctrl_ops sd_ctrl_ops = {
	315	.s_ctrl = sd_s_ctrl,
	316	};
14bff9b8	317
726795c1	318	static int sd_init_controls(struct gspca_dev *gspca_dev)
14bff9b8	319	{
726795c1 HV	320	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
	321
	322	gspca_dev->vdev.ctrl_handler = hdl;
	323	v4l2_ctrl_handler_init(hdl, 2);
	324	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
	325	V4L2_CID_EXPOSURE, 0, 0x18f, 1, 0x18f);
	326	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
	327	V4L2_CID_GAIN, 0, 0x7ff, 1, 0x100);
	328
	329	if (hdl->error) {
	330	pr_err("Could not initialize controls\n");
	331	return hdl->error;
	332	}
14bff9b8 HG	333	return 0;
	334	}
	335
6a7eba24	336	/* sub-driver description */
a5ae2062	337	static const struct sd_desc sd_desc = {
6a7eba24	338	.name = MODULE_NAME,
6a7eba24	339	.config = sd_config,
012d6b02	340	.init = sd_init,
726795c1	341	.init_controls = sd_init_controls,
6a7eba24 JFM	342	.start = sd_start,
6a7eba24 JFM	343	.stopN = sd_stopN,
6a7eba24 JFM	344	.pkt_scan = sd_pkt_scan,
	345	};
	346
	347	/* -- module initialisation -- */
95c967c1	348	static const struct usb_device_id device_table[] = {
9d64fdb1 JFM	349	{USB_DEVICE(0x046d, 0x0920)},
	350	{USB_DEVICE(0x046d, 0x0921)},
	351	{USB_DEVICE(0x0545, 0x808b)},
	352	{USB_DEVICE(0x0545, 0x8333)},
	353	{USB_DEVICE(0x0923, 0x010f)},
6a7eba24 JFM	354	{}
	355	};
	356
	357	MODULE_DEVICE_TABLE(usb, device_table);
	358
	359	/* -- device connect -- */
	360	static int sd_probe(struct usb_interface *intf,
	361	const struct usb_device_id *id)
	362	{
	363	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
	364	THIS_MODULE);
	365	}
	366
	367	static struct usb_driver sd_driver = {
	368	.name = MODULE_NAME,
	369	.id_table = device_table,
	370	.probe = sd_probe,
	371	.disconnect = gspca_disconnect,
6a709749 JFM	372	#ifdef CONFIG_PM
	373	.suspend = gspca_suspend,
	374	.resume = gspca_resume,
8bb58964	375	.reset_resume = gspca_resume,
6a709749	376	#endif
6a7eba24 JFM	377	};
6a7eba24 JFM	378
ecb3b2b3	379	module_usb_driver(sd_driver);