t613.c

来自「trident tm5600的linux驱动」· C语言 代码 · 共 1,192 行 · 第 1/3 页

	 0x9c, 0xe4, 0x9d, 0xeb, 0x9e, 0xf2, 0x9f, 0xf9,
	 0xa0, 0xff},
	{0x90, 0x00, 0x91, 0x6e, 0x92, 0x88, 0x93, 0x9a,	/* 14 */
	 0x94, 0xa8, 0x95, 0xb3, 0x96, 0xbd, 0x97, 0xc6,
	 0x98, 0xcf, 0x99, 0xd6, 0x9a, 0xdd, 0x9b, 0xe3,
	 0x9c, 0xe9, 0x9d, 0xef, 0x9e, 0xf4, 0x9f, 0xfa,
	 0xa0, 0xff},
	{0x90, 0x00, 0x91, 0x93, 0x92, 0xa8, 0x93, 0xb7,	/* 15 */
	 0x94, 0xc1, 0x95, 0xca, 0x96, 0xd2, 0x97, 0xd8,
	 0x98, 0xde, 0x99, 0xe3, 0x9a, 0xe8, 0x9b, 0xed,
	 0x9c, 0xf1, 0x9d, 0xf5, 0x9e, 0xf8, 0x9f, 0xfc,
	 0xa0, 0xff}
};

static const __u8 tas5130a_sensor_init[][8] = {
	{0x62, 0x08, 0x63, 0x70, 0x64, 0x1d, 0x60, 0x09},
	{0x62, 0x20, 0x63, 0x01, 0x64, 0x02, 0x60, 0x09},
	{0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09},
	{0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09},
	{},
};

static __u8 sensor_reset[] = {0x61, 0x68, 0x62, 0xff, 0x60, 0x07};

/* read 1 byte */
static int reg_r(struct gspca_dev *gspca_dev,
		   __u16 index)
{
	usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			0,		/* request */
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,		/* value */
			index,
			gspca_dev->usb_buf, 1, 500);
	return gspca_dev->usb_buf[0];
}

static void reg_w(struct gspca_dev *gspca_dev,
		  __u16 index)
{
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0, index,
			NULL, 0, 500);
}

static void reg_w_buf(struct gspca_dev *gspca_dev,
		  const __u8 *buffer, __u16 len)
{
	if (len <= USB_BUF_SZ) {
		memcpy(gspca_dev->usb_buf, buffer, len);
		usb_control_msg(gspca_dev->dev,
				usb_sndctrlpipe(gspca_dev->dev, 0),
				0,
			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
				0x01, 0,
				gspca_dev->usb_buf, len, 500);
	} else {
		__u8 *tmpbuf;

		tmpbuf = kmalloc(len, GFP_KERNEL);
		memcpy(tmpbuf, buffer, len);
		usb_control_msg(gspca_dev->dev,
				usb_sndctrlpipe(gspca_dev->dev, 0),
				0,
			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
				0x01, 0,
				tmpbuf, len, 500);
		kfree(tmpbuf);
	}
}

/* Reported as OM6802*/
static void om6802_sensor_init(struct gspca_dev *gspca_dev)
{
	int i;
	const __u8 *p;
	__u8 byte;
	__u8 val[6] = {0x62, 0, 0x64, 0, 0x60, 0x05};
	static const __u8 sensor_init[] = {
		0xdf, 0x6d,
		0xdd, 0x18,
		0x5a, 0xe0,
		0x5c, 0x07,
		0x5d, 0xb0,
		0x5e, 0x1e,
		0x60, 0x71,
		0xef, 0x00,
		0xe9, 0x00,
		0xea, 0x00,
		0x90, 0x24,
		0x91, 0xb2,
		0x82, 0x32,
		0xfd, 0x41,
		0x00			/* table end */
	};

	reg_w_buf(gspca_dev, sensor_reset, sizeof sensor_reset);
	msleep(5);
	i = 4;
	while (--i < 0) {
		byte = reg_r(gspca_dev, 0x0060);
		if (!(byte & 0x01))
			break;
		msleep(100);
	}
	byte = reg_r(gspca_dev, 0x0063);
	if (byte != 0x17) {
		err("Bad sensor reset %02x", byte);
		/* continue? */
	}

	p = sensor_init;
	while (*p != 0) {
		val[1] = *p++;
		val[3] = *p++;
		if (*p == 0)
			reg_w(gspca_dev, 0x3c80);
		reg_w_buf(gspca_dev, val, sizeof val);
		i = 4;
		while (--i >= 0) {
			msleep(15);
			byte = reg_r(gspca_dev, 0x60);
			if (!(byte & 0x01))
				break;
		}
	}
	msleep(15);
	reg_w(gspca_dev, 0x3c80);
}

/* 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->epaddr = 0x01;

	cam->cam_mode = vga_mode_t16;
	cam->nmodes = ARRAY_SIZE(vga_mode_t16);

	sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
	sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
	sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
	sd->gamma = GAMMA_DEF;
	sd->mirror = sd_ctrls[SD_MIRROR].qctrl.default_value;
	sd->freq = sd_ctrls[SD_LIGHTFREQ].qctrl.default_value;
	sd->whitebalance = sd_ctrls[SD_WHITE_BALANCE].qctrl.default_value;
	sd->sharpness = sd_ctrls[SD_SHARPNESS].qctrl.default_value;
	sd->effect = sd_ctrls[SD_EFFECTS].qctrl.default_value;
	return 0;
}

static void setbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	unsigned int brightness;
	__u8 set6[4] = { 0x8f, 0x24, 0xc3, 0x00 };

	brightness = sd->brightness;
	if (brightness < 7) {
		set6[1] = 0x26;
		set6[3] = 0x70 - brightness * 0x10;
	} else {
		set6[3] = 0x00 + ((brightness - 7) * 0x10);
	}

	reg_w_buf(gspca_dev, set6, sizeof set6);
}

static void setcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	unsigned int contrast = sd->contrast;
	__u16 reg_to_write;

	if (contrast < 7)
		reg_to_write = 0x8ea9 - contrast * 0x200;
	else
		reg_to_write = 0x00a9 + (contrast - 7) * 0x200;

	reg_w(gspca_dev, reg_to_write);
}

static void setcolors(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 reg_to_write;

	reg_to_write = 0x80bb + sd->colors * 0x100;	/* was 0xc0 */
	reg_w(gspca_dev, reg_to_write);
}

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

	PDEBUG(D_CONF, "Gamma: %d", sd->gamma);
	reg_w_buf(gspca_dev, gamma_table[sd->gamma], sizeof gamma_table[0]);
}

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

	__u8 white_balance[8] =
		{0x87, 0x20, 0x88, 0x20, 0x89, 0x20, 0x80, 0x38};

	if (sd->whitebalance)
		white_balance[7] = 0x3c;

	reg_w_buf(gspca_dev, white_balance, sizeof white_balance);
}

static void setsharpness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 reg_to_write;

	reg_to_write = 0x0aa6 + 0x1000 * sd->sharpness;

	reg_w(gspca_dev, reg_to_write);
}

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
	/* some of this registers are not really neded, because
	 * they are overriden by setbrigthness, setcontrast, etc,
	 * but wont hurt anyway, and can help someone with similar webcam
	 * to see the initial parameters.*/
	struct sd *sd = (struct sd *) gspca_dev;
	int i;
	__u8 byte, test_byte;

	static const __u8 read_indexs[] =
		{ 0x06, 0x07, 0x0a, 0x0b, 0x66, 0x80, 0x81, 0x8e, 0x8f, 0xa5,
		  0xa6, 0xa8, 0xbb, 0xbc, 0xc6, 0x00, 0x00 };
	static const __u8 n1[] =
			{0x08, 0x03, 0x09, 0x03, 0x12, 0x04};
	static const __u8 n2[] =
			{0x08, 0x00};
	static const __u8 n3[] =
			{0x61, 0x68, 0x65, 0x0a, 0x60, 0x04};
	static const __u8 n4[] =
		{0x09, 0x01, 0x12, 0x04, 0x66, 0x8a, 0x80, 0x3c,
		 0x81, 0x22, 0x84, 0x50, 0x8a, 0x78, 0x8b, 0x68,
		 0x8c, 0x88, 0x8e, 0x33, 0x8f, 0x24, 0xaa, 0xb1,
		 0xa2, 0x60, 0xa5, 0x30, 0xa6, 0x3a, 0xa8, 0xe8,
		 0xae, 0x05, 0xb1, 0x00, 0xbb, 0x04, 0xbc, 0x48,
		 0xbe, 0x36, 0xc6, 0x88, 0xe9, 0x00, 0xc5, 0xc0,
		 0x65, 0x0a, 0xbb, 0x86, 0xaf, 0x58, 0xb0, 0x68,
		 0x87, 0x40, 0x89, 0x2b, 0x8d, 0xff, 0x83, 0x40,
		 0xac, 0x84, 0xad, 0x86, 0xaf, 0x46};
	static const __u8 nset9[4] =
			{ 0x0b, 0x04, 0x0a, 0x78 };
	static const __u8 nset8[6] =
			{ 0xa8, 0xf0, 0xc6, 0x88, 0xc0, 0x00 };

	byte = reg_r(gspca_dev, 0x06);
	test_byte = reg_r(gspca_dev, 0x07);
	if (byte == 0x08 && test_byte == 0x07) {
		PDEBUG(D_CONF, "sensor om6802");
		sd->sensor = SENSOR_OM6802;
	} else if (byte == 0x08 && test_byte == 0x01) {
		PDEBUG(D_CONF, "sensor tas5130a");
		sd->sensor = SENSOR_TAS5130A;
	} else {
		PDEBUG(D_CONF, "unknown sensor %02x %02x", byte, test_byte);
		sd->sensor = SENSOR_TAS5130A;
	}

	reg_w_buf(gspca_dev, n1, sizeof n1);
	test_byte = 0;
	i = 5;
	while (--i >= 0) {
		reg_w_buf(gspca_dev, sensor_reset, sizeof sensor_reset);
		test_byte = reg_r(gspca_dev, 0x0063);
		msleep(100);
		if (test_byte == 0x17)
			break;		/* OK */
	}
	if (i < 0) {
		err("Bad sensor reset %02x", test_byte);
/*		return -EIO; */
/*fixme: test - continue */
	}
	reg_w_buf(gspca_dev, n2, sizeof n2);

	i = 0;
	while (read_indexs[i] != 0x00) {
		test_byte = reg_r(gspca_dev, read_indexs[i]);
		PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", read_indexs[i],
		       test_byte);
		i++;
	}

	reg_w_buf(gspca_dev, n3, sizeof n3);
	reg_w_buf(gspca_dev, n4, sizeof n4);
	reg_r(gspca_dev, 0x0080);
	reg_w(gspca_dev, 0x2c80);

	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data1,
			sizeof sensor_data[sd->sensor].data1);
	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data3,
			sizeof sensor_data[sd->sensor].data3);
	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data2,
			sizeof sensor_data[sd->sensor].data2);

	reg_w(gspca_dev, 0x3880);
	reg_w(gspca_dev, 0x3880);
	reg_w(gspca_dev, 0x338e);

	setbrightness(gspca_dev);
	setcontrast(gspca_dev);
	setgamma(gspca_dev);
	setcolors(gspca_dev);
	setsharpness(gspca_dev);
	setwhitebalance(gspca_dev);

	reg_w(gspca_dev, 0x2087);	/* tied to white balance? */
	reg_w(gspca_dev, 0x2088);
	reg_w(gspca_dev, 0x2089);

	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data4,
			sizeof sensor_data[sd->sensor].data4);
	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data5,
			sizeof sensor_data[sd->sensor].data5);
	reg_w_buf(gspca_dev, nset8, sizeof nset8);
	reg_w_buf(gspca_dev, nset9, sizeof nset9);

	reg_w(gspca_dev, 0x2880);

	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data1,
			sizeof sensor_data[sd->sensor].data1);
	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data3,
			sizeof sensor_data[sd->sensor].data3);
	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data2,
			sizeof sensor_data[sd->sensor].data2);

	return 0;
}

static void setflip(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 flipcmd[8] =
		{0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09};

	if (sd->mirror)
		flipcmd[3] = 0x01;

	reg_w_buf(gspca_dev, flipcmd, sizeof flipcmd);
}

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

	reg_w_buf(gspca_dev, effects_table[sd->effect],
				sizeof effects_table[0]);
	if (sd->effect == 1 || sd->effect == 5) {
		PDEBUG(D_CONF,
		       "This effect have been disabled for webcam \"safety\"");
		return;
	}

	if (sd->effect == 1 || sd->effect == 4)
		reg_w(gspca_dev, 0x4aa6);
	else
		reg_w(gspca_dev, 0xfaa6);
}

static void setlightfreq(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 freq[4] = { 0x66, 0x40, 0xa8, 0xe8 };

	if (sd->freq == 2)	/* 60hz */
		freq[1] = 0x00;

	reg_w_buf(gspca_dev, freq, sizeof freq);
}

/* Is this really needed?
 * i added some module parameters for test with some users */
static void poll_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	static const __u8 poll1[] =
		{0x67, 0x05, 0x68, 0x81, 0x69, 0x80, 0x6a, 0x82,
		 0x6b, 0x68, 0x6c, 0x69, 0x72, 0xd9, 0x73, 0x34,