spca505.c

来自「trident tm5600的linux驱动」· C语言 代码 · 共 944 行 · 第 1/2 页

	{0x03, 0x00, 0x00},
	{0x03, 0x21, 0x00},
	{0x03, 0x00, 0x04},
	{0x03, 0x00, 0x03},
	{0x03, 0x18, 0x03},
	{0x03, 0x08, 0x01},
	{0x03, 0x1c, 0x03},
	{0x03, 0x5c, 0x03},
	{0x03, 0x5c, 0x03},
	{0x03, 0x18, 0x01},

/* same as 505 */
	{0x04, 0x10, 0x01},
	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x20, 0x06},
	{0x04, 0x20, 0x07},

	{0x08, 0x0a, 0x00},

	{0x05, 0x00, 0x10},
	{0x05, 0x00, 0x11},
	{0x05, 0x00, 0x12},
	{0x05, 0x6f, 0x00},
	{0x05, initial_brightness >> 6, 0x00},
	{0x05, initial_brightness << 2, 0x01},
	{0x05, 0x00, 0x02},
	{0x05, 0x01, 0x03},
	{0x05, 0x00, 0x04},
	{0x05, 0x03, 0x05},
	{0x05, 0xe0, 0x06},
	{0x05, 0x20, 0x07},
	{0x05, 0xa0, 0x08},
	{0x05, 0x00, 0x12},
	{0x05, 0x02, 0x0f},
	{0x05, 128, 0x14},		/* max exposure off (0=on) */
	{0x05, 0x01, 0xb0},
	{0x05, 0x01, 0xbf},
	{0x03, 0x02, 0x06},
	{0x05, 0x10, 0x46},
	{0x05, 0x08, 0x4a},

	{0x06, 0x00, 0x01},
	{0x06, 0x10, 0x02},
	{0x06, 0x64, 0x07},
	{0x06, 0x18, 0x08},
	{0x06, 0xfc, 0x09},
	{0x06, 0xfc, 0x0a},
	{0x06, 0xfc, 0x0b},
	{0x04, 0x00, 0x01},
	{0x06, 0x18, 0x0c},
	{0x06, 0xfc, 0x0d},
	{0x06, 0xfc, 0x0e},
	{0x06, 0xfc, 0x0f},
	{0x06, 0x11, 0x10},		/* contrast */
	{0x06, 0x00, 0x11},
	{0x06, 0xfe, 0x12},
	{0x06, 0x00, 0x13},
	{0x06, 0x00, 0x14},
	{0x06, 0x9d, 0x51},
	{0x06, 0x40, 0x52},
	{0x06, 0x7c, 0x53},
	{0x06, 0x40, 0x54},
	{0x06, 0x02, 0x57},
	{0x06, 0x03, 0x58},
	{0x06, 0x15, 0x59},
	{0x06, 0x05, 0x5a},
	{0x06, 0x03, 0x56},
	{0x06, 0x02, 0x3f},
	{0x06, 0x00, 0x40},
	{0x06, 0x39, 0x41},
	{0x06, 0x69, 0x42},
	{0x06, 0x87, 0x43},
	{0x06, 0x9e, 0x44},
	{0x06, 0xb1, 0x45},
	{0x06, 0xbf, 0x46},
	{0x06, 0xcc, 0x47},
	{0x06, 0xd5, 0x48},
	{0x06, 0xdd, 0x49},
	{0x06, 0xe3, 0x4a},
	{0x06, 0xe8, 0x4b},
	{0x06, 0xed, 0x4c},
	{0x06, 0xf2, 0x4d},
	{0x06, 0xf7, 0x4e},
	{0x06, 0xfc, 0x4f},
	{0x06, 0xff, 0x50},

	{0x05, 0x01, 0xc0},
	{0x05, 0x10, 0xcb},
	{0x05, 0x40, 0xc1},
	{0x05, 0x04, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0x40, 0xc1},
	{0x05, 0x09, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0xc0, 0xc1},
	{0x05, 0x09, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0x40, 0xc1},
	{0x05, 0x59, 0xc2},
	{0x05, 0x00, 0xca},
	{0x04, 0x00, 0x01},
	{0x05, 0x80, 0xc1},
	{0x05, 0xec, 0xc2},
	{0x05, 0x0, 0xca},

	{0x06, 0x02, 0x57},
	{0x06, 0x01, 0x58},
	{0x06, 0x15, 0x59},
	{0x06, 0x0a, 0x5a},
	{0x06, 0x01, 0x57},
	{0x06, 0x8a, 0x03},
	{0x06, 0x0a, 0x6c},
	{0x06, 0x30, 0x01},
	{0x06, 0x20, 0x02},
	{0x06, 0x00, 0x03},

	{0x05, 0x8c, 0x25},

	{0x06, 0x4d, 0x51},		/* maybe saturation (4d) */
	{0x06, 0x84, 0x53},		/* making green (84) */
	{0x06, 0x00, 0x57},		/* sharpness (1) */
	{0x06, 0x18, 0x08},
	{0x06, 0xfc, 0x09},
	{0x06, 0xfc, 0x0a},
	{0x06, 0xfc, 0x0b},
	{0x06, 0x18, 0x0c},		/* maybe hue (18) */
	{0x06, 0xfc, 0x0d},
	{0x06, 0xfc, 0x0e},
	{0x06, 0xfc, 0x0f},
	{0x06, 0x18, 0x10},		/* maybe contrast (18) */

	{0x05, 0x01, 0x02},

	{0x04, 0x00, 0x08},		/* compression */
	{0x04, 0x12, 0x09},
	{0x04, 0x21, 0x0a},
	{0x04, 0x10, 0x0b},
	{0x04, 0x21, 0x0c},
	{0x04, 0x1d, 0x00},		/* imagetype (1d) */
	{0x04, 0x41, 0x01},		/* hardware snapcontrol */

	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x10, 0x06},
	{0x04, 0x10, 0x07},
	{0x04, 0x40, 0x06},
	{0x04, 0x40, 0x07},
	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},

	{0x06, 0x1c, 0x17},
	{0x06, 0xe2, 0x19},
	{0x06, 0x1c, 0x1b},
	{0x06, 0xe2, 0x1d},
	{0x06, 0x5f, 0x1f},
	{0x06, 0x32, 0x20},

	{0x05, initial_brightness >> 6, 0x00},
	{0x05, initial_brightness << 2, 0x01},
	{0x05, 0x06, 0xc1},
	{0x05, 0x58, 0xc2},
	{0x05, 0x0, 0xca},
	{0x05, 0x0, 0x11},
	{}
};

static int reg_write(struct usb_device *dev,
		     __u16 reg, __u16 index, __u16 value)
{
	int ret;

	ret = usb_control_msg(dev,
			usb_sndctrlpipe(dev, 0),
			reg,
			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			value, index, NULL, 0, 500);
	PDEBUG(D_PACK, "reg write: 0x%02x,0x%02x:0x%02x, 0x%x",
		reg, index, value, ret);
	if (ret < 0)
		PDEBUG(D_ERR, "reg write: error %d", ret);
	return ret;
}

/* returns: negative is error, pos or zero is data */
static int reg_read(struct gspca_dev *gspca_dev,
			__u16 reg,	/* bRequest */
			__u16 index,	/* wIndex */
			__u16 length)	/* wLength (1 or 2 only) */
{
	int ret;

	gspca_dev->usb_buf[1] = 0;
	ret = usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			reg,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			(__u16) 0,		/* value */
			(__u16) index,
			gspca_dev->usb_buf, length,
			500);			/* timeout */
	if (ret < 0) {
		PDEBUG(D_ERR, "reg_read err %d", ret);
		return -1;
	}
	return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
}

static int write_vector(struct gspca_dev *gspca_dev,
			const __u16 data[][3])
{
	struct usb_device *dev = gspca_dev->dev;
	int ret, i = 0;

	while (data[i][0] != 0 || data[i][1] != 0 || data[i][2] != 0) {
		ret = reg_write(dev, data[i][0], data[i][2], data[i][1]);
		if (ret < 0) {
			PDEBUG(D_ERR,
				"Register write failed for 0x%x,0x%x,0x%x",
				data[i][0], data[i][1], data[i][2]);
			return ret;
		}
		i++;
	}
	return 0;
}

/* 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;
	sd->subtype = id->driver_info;
	if (sd->subtype != IntelPCCameraPro)
		cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
	else			/* no 640x480 for IntelPCCameraPro */
		cam->nmodes = sizeof vga_mode / sizeof vga_mode[0] - 1;
	sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;

	if (sd->subtype == Nxultra) {
		if (write_vector(gspca_dev, spca505b_init_data))
			return -EIO;
	} else {
		if (write_vector(gspca_dev, spca505_init_data))
			return -EIO;
	}
	return 0;
}

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

	PDEBUG(D_STREAM, "Initializing SPCA505");
	if (sd->subtype == Nxultra)
		write_vector(gspca_dev, spca505b_open_data_ccd);
	else
		write_vector(gspca_dev, spca505_open_data_ccd);
	ret = reg_read(gspca_dev, 6, 0x16, 2);

	if (ret < 0) {
		PDEBUG(D_ERR|D_STREAM,
		       "register read failed for after vector read err = %d",
		       ret);
		return -EIO;
	}
	PDEBUG(D_STREAM,
		"After vector read returns : 0x%x should be 0x0101",
		ret & 0xffff);

	ret = reg_write(gspca_dev->dev, 6, 0x16, 0x0a);
	if (ret < 0) {
		PDEBUG(D_ERR, "register write failed for (6,0xa,0x16) err=%d",
		       ret);
		return -EIO;
	}
	reg_write(gspca_dev->dev, 5, 0xc2, 18);
	return 0;
}

static int sd_start(struct gspca_dev *gspca_dev)
{
	struct usb_device *dev = gspca_dev->dev;
	int ret;

	/* necessary because without it we can see stream
	 * only once after loading module */
	/* stopping usb registers Tomasz change */
	reg_write(dev, 0x02, 0x0, 0x0);
	switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
	case 0:
		reg_write(dev, 0x04, 0x00, 0x00);
		reg_write(dev, 0x04, 0x06, 0x10);
		reg_write(dev, 0x04, 0x07, 0x10);
		break;
	case 1:
		reg_write(dev, 0x04, 0x00, 0x01);
		reg_write(dev, 0x04, 0x06, 0x1a);
		reg_write(dev, 0x04, 0x07, 0x1a);
		break;
	case 2:
		reg_write(dev, 0x04, 0x00, 0x02);
		reg_write(dev, 0x04, 0x06, 0x1c);
		reg_write(dev, 0x04, 0x07, 0x1d);
		break;
	case 4:
		reg_write(dev, 0x04, 0x00, 0x04);
		reg_write(dev, 0x04, 0x06, 0x34);
		reg_write(dev, 0x04, 0x07, 0x34);
		break;
	default:
/*	case 5: */
		reg_write(dev, 0x04, 0x00, 0x05);
		reg_write(dev, 0x04, 0x06, 0x40);
		reg_write(dev, 0x04, 0x07, 0x40);
		break;
	}
/* Enable ISO packet machine - should we do this here or in ISOC init ? */
	ret = reg_write(dev, SPCA50X_REG_USB,
			 SPCA50X_USB_CTRL,
			 SPCA50X_CUSB_ENABLE);

/*	reg_write(dev, 0x5, 0x0, 0x0); */
/*	reg_write(dev, 0x5, 0x0, 0x1); */
/*	reg_write(dev, 0x5, 0x11, 0x2); */
	return ret;
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	/* Disable ISO packet machine */
	reg_write(gspca_dev->dev, 0x02, 0x00, 0x00);
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
	/* This maybe reset or power control */
	reg_write(gspca_dev->dev, 0x03, 0x03, 0x20);
	reg_write(gspca_dev->dev, 0x03, 0x01, 0x0);
	reg_write(gspca_dev->dev, 0x03, 0x00, 0x1);
	reg_write(gspca_dev->dev, 0x05, 0x10, 0x1);
	reg_write(gspca_dev->dev, 0x05, 0x11, 0xf);
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			struct gspca_frame *frame,	/* target */
			__u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{
	switch (data[0]) {
	case 0:				/* start of frame */
		frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
					data, 0);
		data += SPCA50X_OFFSET_DATA;
		len -= SPCA50X_OFFSET_DATA;
		gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
				data, len);
		break;
	case 0xff:			/* drop */
/*		gspca_dev->last_packet_type = DISCARD_PACKET; */
		break;
	default:
		data += 1;
		len -= 1;
		gspca_frame_add(gspca_dev, INTER_PACKET, frame,
				data, len);
		break;
	}
}

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

	__u8 brightness = sd->brightness;
	reg_write(gspca_dev->dev, 5, 0x00, (255 - brightness) >> 6);
	reg_write(gspca_dev->dev, 5, 0x01, (255 - brightness) << 2);

}
static void getbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->brightness = 255
		- ((reg_read(gspca_dev, 5, 0x01, 1) >> 2)
			+ (reg_read(gspca_dev, 5, 0x0, 1) << 6));
}

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 0;
}

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

	getbrightness(gspca_dev);
	*val = sd->brightness;
	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,
};

/* -- module initialisation -- */
static const __devinitdata struct usb_device_id device_table[] = {
	{USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
	{USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
	{}
};
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)
{
	if (usb_register(&sd_driver) < 0)
		return -1;
	PDEBUG(D_PROBE, "registered");
	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);