cxlib.h

网上下的该驱动没有中微星307b

    {0x0B, 0x0E, 0x0D, 0x0D, 0x0F, 0x13, 0x1F, 0x14},
    {0x13, 0x11, 0x11, 0x13, 0x26, 0x1B, 0x1D, 0x17},
    {0x1F, 0x2D, 0x28, 0x30, 0x2F, 0x2D, 0x28, 0x2C},
    {0x2B, 0x32, 0x38, 0x48, 0x3D, 0x32, 0x35, 0x44},
    {0x36, 0x2B, 0x2C, 0x3F, 0x55, 0x3F, 0x44, 0x4A},
    {0x4D, 0x50, 0x51, 0x50, 0x30, 0x3C, 0x58, 0x5F},
    {0x58, 0x4E, 0x5E, 0x48, 0x4F, 0x50, 0x4D, 0x01},
    {0x0D, 0x09, 0x09, 0x0B, 0x09, 0x08, 0x0D, 0x0B},
    {0x0A, 0x0B, 0x0E, 0x0D, 0x0D, 0x0F, 0x13, 0x1F},
    {0x14, 0x13, 0x11, 0x11, 0x13, 0x26, 0x1B, 0x1D},
    {0x17, 0x1F, 0x2D, 0x28, 0x30, 0x2F, 0x2D, 0x28},
    {0x2C, 0x2B, 0x32, 0x38, 0x48, 0x3D, 0x32, 0x35},
    {0x44, 0x36, 0x2B, 0x2C, 0x3F, 0x55, 0x3F, 0x44},
    {0x4A, 0x4D, 0x50, 0x51, 0x50, 0x30, 0x3C, 0x58},
    {0x5F, 0x58, 0x4E, 0x5E, 0x48, 0x4F, 0x50, 0x4D},
    {0xFF, 0x20, 0x00, 0x1F, 0x03, 0xB1, 0x00, 0x00},
    {0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00},
    {0x11, 0x22, 0x00, 0x22, 0x22, 0x11, 0x22, 0x22},
    {0x11, 0x33, 0x33, 0x11, 0x44, 0x66, 0x22, 0x55},
    {0x66, 0xFF, 0xDD, 0x00, 0x04, 0x00, 0x0A, 0xFF},
    {0xC0, 0x00, 0x11, 0x08, 0x00, 0x78, 0x00, 0xA0},
    {0x03, 0x00, 0x21, 0x00, 0x01, 0x11, 0x01, 0x02},
    {0x11, 0x01, 0xFF, 0xDA, 0x00, 0x0C, 0x03, 0x00},
    {0x00, 0x01, 0x11, 0x02, 0x11, 0x00, 0x3F, 0x00},
    {0xFF, 0xD9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}	//27
};

static __u8 cxjpeg_qtable[][8] = {	// 640 take with the zcx30x part
    {0xff, 0xd8, 0xff, 0xdb, 0x00, 0x84, 0x00, 0x08},
    {0x06, 0x06, 0x07, 0x06, 0x05, 0x08, 0x07, 0x07},
    {0x07, 0x09, 0x09, 0x08, 0x0a, 0x0c, 0x14, 0x0a},
    {0x0c, 0x0b, 0x0b, 0x0c, 0x19, 0x12, 0x13, 0x0f},
    {0x14, 0x1d, 0x1a, 0x1f, 0x1e, 0x1d, 0x1a, 0x1c},
    {0x1c, 0x20, 0x24, 0x2e, 0x27, 0x20, 0x22, 0x2c},
    {0x23, 0x1c, 0x1c, 0x28, 0x37, 0x29, 0x2c, 0x30},
    {0x31, 0x34, 0x34, 0x34, 0x1f, 0x27, 0x39, 0x3d},
    {0x38, 0x32, 0x3c, 0x2e, 0x33, 0x34, 0x32, 0x01},
    {0x09, 0x09, 0x09, 0x0c, 0x0b, 0x0c, 0x18, 0x0a},
    {0x0a, 0x18, 0x32, 0x21, 0x1c, 0x21, 0x32, 0x32},
    {0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32},
    {0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32},
    {0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32},
    {0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32},
    {0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32},
    {0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32},
    {0xFF, 0xD9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}	//18
};


static void cx11646_jpegInit(struct usb_spca50x *spca50x)
{
    __u8 val = 0;
    int i = 0;
    int length = 8;
    val = 0x01;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00c0, &val, 1);
    val = 0x00;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00c3, &val, 1);
    val = 0x00;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00c0, &val, 1);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0001, &val, 1);
    for (i = 0; i < 79; i++) {
	if (i == 78)
	    length = 6;
	spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008, cx_jpeg_init[i],
			length);
    }
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0002, &val, 1);
    val = 0x14;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0055, &val, 1);
}

static __u8 reg12[] = { 0x0a, 0x05, 0x07, 0x04, 0x19 };
static __u8 regE5_8[] = { 0x88, 0x00, 0xd4, 0x01, 0x88, 0x01, 0x01, 0x01 };
static __u8 regE5a[] = { 0x88, 0x0a, 0x0c, 0x01 };
static __u8 regE5b[] = { 0x88, 0x0b, 0x12, 0x01 };
static __u8 regE5c[] = { 0x88, 0x05, 0x01, 0x01 };
static __u8 reg51[] = { 0x77, 0x03 };
static __u8 reg70 = 0x03;

static void cx11646_jpeg(struct usb_spca50x *spca50x)
{
    __u8 val = 0;
    int i = 0;
    int length = 8;
    __u8 Reg55 = 0x14;
    __u8 bufread[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
    int retry = 50;

    val = 0x01;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00c0, &val, 1);
    val = 0x00;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00c3, &val, 1);
    val = 0x00;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00c0, &val, 1);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0001, &val, 1);
    switch (spca50x->mode) {
    case 0:
	for (i = 0; i < 27; i++) {
	    if (i == 26)
		length = 2;
	    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008,
			    cxjpeg_640[i], length);
	}
	Reg55 = 0x28;
	break;
    case 1:
	for (i = 0; i < 27; i++) {
	    if (i == 26)
		length = 2;
	    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008,
			    cxjpeg_352[i], length);
	}
	Reg55 = 0x16;
	break;
    case 2:
	for (i = 0; i < 27; i++) {
	    if (i == 26)
		length = 2;
	    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008,
			    cxjpeg_320[i], length);
	}
	Reg55 = 0x14;
	break;
    case 3:
	for (i = 0; i < 27; i++) {
	    if (i == 26)
		length = 2;
	    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008,
			    cxjpeg_176[i], length);
	}
	Reg55 = 0x0B;
	break;
    case 4:
	for (i = 0; i < 27; i++) {
	    if (i == 26)
		length = 2;
	    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008,
			    cxjpeg_160[i], length);
	}
	Reg55 = 0x0A;
	break;
    default:
	for (i = 0; i < 27; i++) {
	    if (i == 26)
		length = 2;
	    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008,
			    cxjpeg_320[i], length);
	}
	Reg55 = 0x14;
	break;
    }

    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0002, &val, 1);
    val = Reg55;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0055, &val, 1);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0002, &val, 1);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0010, reg10, 2);
    val = 0x02;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0054, &val, 1);
    val = 0x01;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0054, &val, 1);
    val = 0x94;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0000, &val, 1);
    val = 0xc0;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0053, &val, 1);
    val = 0xe1;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00fc, &val, 1);
    val = 0x00;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0000, &val, 1);
    // wait for completion 
    while (retry--) {
	spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0002, &val, 1);	// 0x07 until 0x00
	if (val == 0x00)
	    break;
	val = 0x00;
	spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0053, &val, 1);
    }
    if (retry == 0)
	PDEBUG(0, "Damned Errors sending jpeg Table");
    // send the qtable now
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0001, &val, 1);	// -> 0x18
    length = 8;
    for (i = 0; i < 18; i++) {
	if (i == 17)
	    length = 2;
	spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0008, cxjpeg_qtable[i],
			length);

    }
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0002, &val, 1);	// 0x00
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0053, &val, 1);	// 0x00
    val = 0x02;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0054, &val, 1);
    val = 0x01;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0054, &val, 1);
    val = 0x94;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0000, &val, 1);
    val = 0xc0;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0053, &val, 1);

    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0038, &val, 1);	// 0x40
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x0038, &val, 1);	// 0x40
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x001f, &val, 1);	// 0x38
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0012, reg12, 5);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5_8, 8);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, bufread, 8);	// 
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5a, 4);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, &val, 1);	// 0x00
    val = 0x01;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x009a, &val, 1);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5b, 4);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, &val, 1);	// 0x00
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5c, 4);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, &val, 1);	// 0x00

    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0051, reg51, 2);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0010, reg10, 2);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0070, &reg70, 1);
}
static __u16 cx_getbrightness(struct usb_spca50x *spca50x)
{				/*FIXME hardcoded as we need to read register of the sensor */
    spca50x->brightness = 0xD4 << 8;	// 0..256
    spca50x->contrast = 0x0c << 11;	// 0..0x1f
    spca50x->colour = 0x03 << 13;	// 0..7
    return (0xD4 << 8);
}
static void cx_setbrightness(struct usb_spca50x *spca50x)
{
    __u8 regE5cbx[] = { 0x88, 0x00, 0xd4, 0x01, 0x88, 0x01, 0x01, 0x01 };
    __u8 reg51c[] = { 0x77, 0x03 };
    __u8 bright = 0;
    __u8 colors = 0;
    __u8 val = 0;
    __u8 bufread[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
    bright = (spca50x->brightness >> 8) & 0xff;
    colors = (spca50x->colour >> 13) & 0x07;
    regE5cbx[2] = bright;
    reg51c[1] = colors;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5cbx, 8);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, bufread, 8);	//
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5c, 4);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, &val, 1);	// 0x00

    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0051, reg51c, 2);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0010, reg10, 2);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0070, &reg70, 1);


}
static void cx_setcontrast(struct usb_spca50x *spca50x)
{

    __u8 regE5acx[] = { 0x88, 0x0a, 0x0c, 0x01 };	//seem MSB
    //__u8 regE5bcx[]={0x88,0x0b,0x12,0x01}; // LSB
    __u8 reg51c[] = { 0x77, 0x03 };
    __u8 contrast = 0;
    __u8 val = 0;
    __u8 colors = 0;
    colors = (spca50x->colour >> 13) & 0x07;
    reg51c[1] = colors;
    contrast = (spca50x->contrast >> 11) & 0x1f;
    if (contrast < 10)
	contrast = 10;
    regE5acx[2] = contrast;
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x00e5, regE5acx, 4);
    spca5xxRegRead(spca50x->dev, 0x00, 0x00, 0x00e8, &val, 1);	// 0x00
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0051, reg51c, 2);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0010, reg10, 2);
    spca5xxRegWrite(spca50x->dev, 0x00, 0x00, 0x0070, &reg70, 1);

}