[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.
 *
 */
#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	*
6a7eba24 JFM	16	*/
	17	#define MODULE_NAME "tv8532"
	18
	19	#include "gspca.h"
	20
6a7eba24 JFM	21	MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
	22	MODULE_DESCRIPTION("TV8532 USB Camera Driver");
	23	MODULE_LICENSE("GPL");
	24
	25	/* specific webcam descriptor */
	26	struct sd {
	27	struct gspca_dev gspca_dev; /* !! must be the first item */
	28
ba13cca7	29	__u8 packet;
6a7eba24 JFM	30	};
6a7eba24 JFM	31
cc611b8a	32	static const struct v4l2_pix_format sif_mode[] = {
c2446b3e JFM	33	{176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
	34	.bytesperline = 176,
	35	.sizeimage = 176 * 144,
	36	.colorspace = V4L2_COLORSPACE_SRGB,
	37	.priv = 1},
	38	{352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
	39	.bytesperline = 352,
	40	.sizeimage = 352 * 288,
	41	.colorspace = V4L2_COLORSPACE_SRGB,
	42	.priv = 0},
6a7eba24 JFM	43	};
6a7eba24 JFM	44
ca5e578f JFM	45	/* TV-8532A (ICM532A) registers (LE) */
	46	#define R00_PART_CONTROL 0x00
	47	#define LATENT_CHANGE 0x80
	48	#define EXPO_CHANGE 0x04
	49	#define R01_TIMING_CONTROL_LOW 0x01
	50	#define CMD_EEprom_Open 0x30
	51	#define CMD_EEprom_Close 0x29
	52	#define R03_TABLE_ADDR 0x03
	53	#define R04_WTRAM_DATA_L 0x04
	54	#define R05_WTRAM_DATA_M 0x05
	55	#define R06_WTRAM_DATA_H 0x06
	56	#define R07_TABLE_LEN 0x07
	57	#define R08_RAM_WRITE_ACTION 0x08
	58	#define R0C_AD_WIDTHL 0x0c
	59	#define R0D_AD_WIDTHH 0x0d
	60	#define R0E_AD_HEIGHTL 0x0e
	61	#define R0F_AD_HEIGHTH 0x0f
	62	#define R10_AD_COL_BEGINL 0x10
	63	#define R11_AD_COL_BEGINH 0x11
	64	#define MIRROR 0x04 /* [10] */
	65	#define R14_AD_ROW_BEGINL 0x14
	66	#define R15_AD_ROWBEGINH 0x15
	67	#define R1C_AD_EXPOSE_TIMEL 0x1c
14bff9b8 HG	68	#define R20_GAIN_G1L 0x20
	69	#define R21_GAIN_G1H 0x21
	70	#define R22_GAIN_RL 0x22
	71	#define R23_GAIN_RH 0x23
	72	#define R24_GAIN_BL 0x24
	73	#define R25_GAIN_BH 0x25
	74	#define R26_GAIN_G2L 0x26
	75	#define R27_GAIN_G2H 0x27
ca5e578f JFM	76	#define R28_QUANT 0x28
	77	#define R29_LINE 0x29
	78	#define R2C_POLARITY 0x2c
	79	#define R2D_POINT 0x2d
	80	#define R2E_POINTH 0x2e
	81	#define R2F_POINTB 0x2f
	82	#define R30_POINTBH 0x30
	83	#define R31_UPD 0x31
	84	#define R2A_HIGH_BUDGET 0x2a
	85	#define R2B_LOW_BUDGET 0x2b
	86	#define R34_VID 0x34
	87	#define R35_VIDH 0x35
	88	#define R36_PID 0x36
	89	#define R37_PIDH 0x37
	90	#define R39_Test1 0x39 /* GPIO */
1d00d6c1	91	#define R3B_Test3 0x3b /* GPIO */
ca5e578f JFM	92	#define R83_AD_IDH 0x83
	93	#define R91_AD_SLOPEREG 0x91
	94	#define R94_AD_BITCONTROL 0x94
	95
	96	static const u8 eeprom_data[][3] = {
	97	/* dataH dataM dataL */
	98	{0x01, 0x00, 0x01},
	99	{0x01, 0x80, 0x11},
	100	{0x05, 0x00, 0x14},
	101	{0x05, 0x00, 0x1c},
	102	{0x0d, 0x00, 0x1e},
	103	{0x05, 0x00, 0x1f},
	104	{0x05, 0x05, 0x19},
	105	{0x05, 0x01, 0x1b},
	106	{0x05, 0x09, 0x1e},
	107	{0x0d, 0x89, 0x2e},
	108	{0x05, 0x89, 0x2f},
	109	{0x05, 0x0d, 0xd9},
	110	{0x05, 0x09, 0xf1},
6a7eba24 JFM	111	};
6a7eba24 JFM	112
6a7eba24	113
739570bb	114	/* write 1 byte */
ca5e578f	115	static void reg_w1(struct gspca_dev *gspca_dev,
739570bb	116	__u16 index, __u8 value)
6a7eba24	117	{
739570bb JFM	118	gspca_dev->usb_buf[0] = value;
	119	usb_control_msg(gspca_dev->dev,
	120	usb_sndctrlpipe(gspca_dev->dev, 0),
ca5e578f	121	0x02,
6a7eba24 JFM	122	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
6a7eba24 JFM	123	0, /* value */
739570bb JFM	124	index, gspca_dev->usb_buf, 1, 500);
	125	}
	126
	127	/* write 2 bytes */
ca5e578f JFM	128	static void reg_w2(struct gspca_dev *gspca_dev,
ca5e578f JFM	129	u16 index, u16 value)
739570bb	130	{
ca5e578f JFM	131	gspca_dev->usb_buf[0] = value;
ca5e578f JFM	132	gspca_dev->usb_buf[1] = value >> 8;
739570bb JFM	133	usb_control_msg(gspca_dev->dev,
739570bb JFM	134	usb_sndctrlpipe(gspca_dev->dev, 0),
ca5e578f	135	0x02,
739570bb JFM	136	USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	137	0, /* value */
	138	index, gspca_dev->usb_buf, 2, 500);
6a7eba24 JFM	139	}
	140
	141	static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
	142	{
ca5e578f JFM	143	int i;
	144
	145	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Open);
	146	for (i = 0; i < ARRAY_SIZE(eeprom_data); i++) {
	147	reg_w1(gspca_dev, R03_TABLE_ADDR, i);
	148	reg_w1(gspca_dev, R04_WTRAM_DATA_L, eeprom_data[i][2]);
	149	reg_w1(gspca_dev, R05_WTRAM_DATA_M, eeprom_data[i][1]);
	150	reg_w1(gspca_dev, R06_WTRAM_DATA_H, eeprom_data[i][0]);
	151	reg_w1(gspca_dev, R08_RAM_WRITE_ACTION, 0);
6a7eba24	152	}
ca5e578f JFM	153	reg_w1(gspca_dev, R07_TABLE_LEN, i);
ca5e578f JFM	154	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close);
6a7eba24 JFM	155	}
	156
	157	/* this function is called at probe time */
	158	static int sd_config(struct gspca_dev *gspca_dev,
	159	const struct usb_device_id *id)
	160	{
6a7eba24 JFM	161	struct cam *cam;
6a7eba24 JFM	162
6a7eba24	163	cam = &gspca_dev->cam;
6a7eba24	164	cam->cam_mode = sif_mode;
ca5e578f	165	cam->nmodes = ARRAY_SIZE(sif_mode);
6a7eba24	166
6a7eba24 JFM	167	return 0;
	168	}
	169
6a7eba24 JFM	170	static void tv_8532_setReg(struct gspca_dev *gspca_dev)
6a7eba24 JFM	171	{
ca5e578f	172	reg_w1(gspca_dev, R3B_Test3, 0x0a); /* Test0Sel = 10 */
6a7eba24	173	/******************************************************/
ca5e578f JFM	174	reg_w1(gspca_dev, R0E_AD_HEIGHTL, 0x90);
	175	reg_w1(gspca_dev, R0F_AD_HEIGHTH, 0x01);
	176	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f);
	177	reg_w1(gspca_dev, R10_AD_COL_BEGINL, 0x44);
	178	/* begin active line */
	179	reg_w1(gspca_dev, R11_AD_COL_BEGINH, 0x00);
	180	/* mirror and digital gain */
	181	reg_w1(gspca_dev, R14_AD_ROW_BEGINL, 0x0a);
	182
ca5e578f	183	reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02);
ca5e578f JFM	184	reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00);
	185	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE \| EXPO_CHANGE);
	186	/* = 0x84 */
6a7eba24 JFM	187	}
6a7eba24 JFM	188
012d6b02 JFM	189	/* this function is called at probe and resume time */
012d6b02 JFM	190	static int sd_init(struct gspca_dev *gspca_dev)
6a7eba24	191	{
ca5e578f JFM	192	tv_8532WriteEEprom(gspca_dev);
ca5e578f JFM	193
6a7eba24 JFM	194	return 0;
	195	}
	196
726795c1	197	static void setexposure(struct gspca_dev *gspca_dev, s32 val)
6a7eba24	198	{
726795c1	199	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, val);
ca5e578f JFM	200	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE \| EXPO_CHANGE);
ca5e578f JFM	201	/* 0x84 */
6a7eba24 JFM	202	}
6a7eba24 JFM	203
726795c1	204	static void setgain(struct gspca_dev *gspca_dev, s32 val)
14bff9b8	205	{
726795c1 HV	206	reg_w2(gspca_dev, R20_GAIN_G1L, val);
	207	reg_w2(gspca_dev, R22_GAIN_RL, val);
	208	reg_w2(gspca_dev, R24_GAIN_BL, val);
	209	reg_w2(gspca_dev, R26_GAIN_G2L, val);
14bff9b8 HG	210	}
14bff9b8 HG	211
6a7eba24	212	/* -- start the camera -- */
72ab97ce	213	static int sd_start(struct gspca_dev *gspca_dev)
6a7eba24	214	{
2e0903b0 JFM	215	struct sd sd = (struct sd ) gspca_dev;
2e0903b0 JFM	216
ca5e578f JFM	217	reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8); /* 0x20; 0x0c */
ca5e578f JFM	218	reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03);
6a7eba24 JFM	219
6a7eba24 JFM	220	/************************************************/
ca5e578f JFM	221	reg_w1(gspca_dev, R28_QUANT, 0x90);
ca5e578f JFM	222	/* 0x72 compressed mode 0x28 */
c2446b3e	223	if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
6a7eba24	224	/* 176x144 */
ca5e578f JFM	225	reg_w1(gspca_dev, R29_LINE, 0x41);
ca5e578f JFM	226	/* CIF - 2 lines/packet */
6a7eba24 JFM	227	} else {
6a7eba24 JFM	228	/* 352x288 */
ca5e578f JFM	229	reg_w1(gspca_dev, R29_LINE, 0x81);
ca5e578f JFM	230	/* CIF - 2 lines/packet */
6a7eba24 JFM	231	}
6a7eba24 JFM	232	/************************************************/
ca5e578f JFM	233	reg_w1(gspca_dev, R2C_POLARITY, 0x10); /* slow clock */
	234	reg_w1(gspca_dev, R2D_POINT, 0x14);
	235	reg_w1(gspca_dev, R2E_POINTH, 0x01);
	236	reg_w1(gspca_dev, R2F_POINTB, 0x12);
	237	reg_w1(gspca_dev, R30_POINTBH, 0x01);
5e027610 HG	238
	239	tv_8532_setReg(gspca_dev);
	240
6a7eba24	241	/************************************************/
ca5e578f	242	reg_w1(gspca_dev, R31_UPD, 0x01); /* update registers */
6a7eba24	243	msleep(200);
ca5e578f	244	reg_w1(gspca_dev, R31_UPD, 0x00); /* end update */
ba13cca7 JFM	245
ba13cca7 JFM	246	gspca_dev->empty_packet = 0; /* check the empty packets */
2e0903b0	247	sd->packet = 0; /* ignore the first packets */
ba13cca7	248
72ab97ce	249	return 0;
6a7eba24 JFM	250	}
	251
	252	static void sd_stopN(struct gspca_dev *gspca_dev)
	253	{
ca5e578f	254	reg_w1(gspca_dev, R3B_Test3, 0x0b); /* Test0Sel = 11 = GPIO */
6a7eba24 JFM	255	}
6a7eba24 JFM	256
6a7eba24	257	static void sd_pkt_scan(struct gspca_dev *gspca_dev,
76dd272b	258	u8 data, / isoc packet */
6a7eba24 JFM	259	int len) /* iso packet length */
	260	{
	261	struct sd sd = (struct sd ) gspca_dev;
2e0903b0	262	int packet_type0, packet_type1;
6a7eba24	263
2e0903b0	264	packet_type0 = packet_type1 = INTER_PACKET;
ba13cca7	265	if (gspca_dev->empty_packet) {
2e0903b0	266	gspca_dev->empty_packet = 0;
1966bc2a	267	sd->packet = gspca_dev->pixfmt.height / 2;
2e0903b0 JFM	268	packet_type0 = FIRST_PACKET;
	269	} else if (sd->packet == 0)
	270	return; /* 2 more lines in 352x288 ! */
	271	sd->packet--;
	272	if (sd->packet == 0)
	273	packet_type1 = LAST_PACKET;
	274
	275	/* each packet contains:
	276	* - header 2 bytes
ca5e578f	277	* - RGRG line
2e0903b0	278	* - 4 bytes
ca5e578f	279	* - GBGB line
2e0903b0 JFM	280	* - 4 bytes
	281	*/
	282	gspca_frame_add(gspca_dev, packet_type0,
1966bc2a	283	data + 2, gspca_dev->pixfmt.width);
2e0903b0	284	gspca_frame_add(gspca_dev, packet_type1,
1966bc2a OZ	285	data + gspca_dev->pixfmt.width + 5,
1966bc2a OZ	286	gspca_dev->pixfmt.width);
6a7eba24 JFM	287	}
6a7eba24 JFM	288
726795c1	289	static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
6a7eba24	290	{
726795c1 HV	291	struct gspca_dev *gspca_dev =
726795c1 HV	292	container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
6a7eba24	293
726795c1	294	gspca_dev->usb_err = 0;
6a7eba24	295
726795c1 HV	296	if (!gspca_dev->streaming)
726795c1 HV	297	return 0;
6a7eba24	298
726795c1 HV	299	switch (ctrl->id) {
	300	case V4L2_CID_EXPOSURE:
	301	setexposure(gspca_dev, ctrl->val);
	302	break;
	303	case V4L2_CID_GAIN:
	304	setgain(gspca_dev, ctrl->val);
	305	break;
	306	}
	307	return gspca_dev->usb_err;
6a7eba24 JFM	308	}
6a7eba24 JFM	309
726795c1 HV	310	static const struct v4l2_ctrl_ops sd_ctrl_ops = {
	311	.s_ctrl = sd_s_ctrl,
	312	};
14bff9b8	313
726795c1	314	static int sd_init_controls(struct gspca_dev *gspca_dev)
14bff9b8	315	{
726795c1 HV	316	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
	317
	318	gspca_dev->vdev.ctrl_handler = hdl;
	319	v4l2_ctrl_handler_init(hdl, 2);
	320	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
	321	V4L2_CID_EXPOSURE, 0, 0x18f, 1, 0x18f);
	322	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
	323	V4L2_CID_GAIN, 0, 0x7ff, 1, 0x100);
	324
	325	if (hdl->error) {
	326	pr_err("Could not initialize controls\n");
	327	return hdl->error;
	328	}
14bff9b8 HG	329	return 0;
	330	}
	331
6a7eba24	332	/* sub-driver description */
a5ae2062	333	static const struct sd_desc sd_desc = {
6a7eba24	334	.name = MODULE_NAME,
6a7eba24	335	.config = sd_config,
012d6b02	336	.init = sd_init,
726795c1	337	.init_controls = sd_init_controls,
6a7eba24 JFM	338	.start = sd_start,
6a7eba24 JFM	339	.stopN = sd_stopN,
6a7eba24 JFM	340	.pkt_scan = sd_pkt_scan,
	341	};
	342
	343	/* -- module initialisation -- */
95c967c1	344	static const struct usb_device_id device_table[] = {
9d64fdb1 JFM	345	{USB_DEVICE(0x046d, 0x0920)},
	346	{USB_DEVICE(0x046d, 0x0921)},
	347	{USB_DEVICE(0x0545, 0x808b)},
	348	{USB_DEVICE(0x0545, 0x8333)},
	349	{USB_DEVICE(0x0923, 0x010f)},
6a7eba24 JFM	350	{}
	351	};
	352
	353	MODULE_DEVICE_TABLE(usb, device_table);
	354
	355	/* -- device connect -- */
	356	static int sd_probe(struct usb_interface *intf,
	357	const struct usb_device_id *id)
	358	{
	359	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
	360	THIS_MODULE);
	361	}
	362
	363	static struct usb_driver sd_driver = {
	364	.name = MODULE_NAME,
	365	.id_table = device_table,
	366	.probe = sd_probe,
	367	.disconnect = gspca_disconnect,
6a709749 JFM	368	#ifdef CONFIG_PM
	369	.suspend = gspca_suspend,
	370	.resume = gspca_resume,
8bb58964	371	.reset_resume = gspca_resume,
6a709749	372	#endif
6a7eba24 JFM	373	};
6a7eba24 JFM	374
ecb3b2b3	375	module_usb_driver(sd_driver);