cxlib.h

凌阳SPCA5XX解码芯片USB驱动源代码

	{ 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46 },
	{ 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56 },
	{ 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66 },
	{ 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76 },
	{ 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85 },
	{ 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94 },
	{ 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3 },
	{ 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2 },
	{ 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA },
	{ 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9 },
	{ 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8 },
	{ 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7 },
	{ 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6 },
	{ 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0x20, 0x00, 0x1F },
	{ 0x02, 0x0C, 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, 0x14, 0xFF, 0xC0, 0x00, 0x11, 0x08 },
	{ 0x00, 0xF0, 0x01, 0x40, 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 }  //79
};


static __u8 cxjpeg_640[][8] = {
	{0xFF, 0xD8, 0xFF, 0xDB, 0x00, 0x84, 0x00, 0x10 }, //1
	{0x0B, 0x0C, 0x0E, 0x0C, 0x0A, 0x10, 0x0E, 0x0D },
	{0x0E, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28, 0x1A },
	{0x18, 0x16, 0x16, 0x18, 0x31, 0x23, 0x25, 0x1D },
	{0x28, 0x3A, 0x33, 0x3D, 0x3C, 0x39, 0x33, 0x38 },
	{0x37, 0x40, 0x48, 0x5C, 0x4E, 0x40, 0x44, 0x57 },
	{0x45, 0x37, 0x38, 0x50, 0x6D, 0x51, 0x57, 0x5F },
	{0x62, 0x67, 0x68, 0x67, 0x3E, 0x4D, 0x71, 0x79 },
	{0x70, 0x64, 0x78, 0x5C, 0x65, 0x67, 0x63, 0x01 },
	{0x10, 0x0B, 0x0C, 0x0E, 0x0C, 0x0A, 0x10, 0x0E },
	{0x0D, 0x0E, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28 },
	{0x1A, 0x18, 0x16, 0x16, 0x18, 0x31, 0x23, 0x25 },
	{0x1D, 0x28, 0x3A, 0x33, 0x3D, 0x3C, 0x39, 0x33 },
	{0x38, 0x37, 0x40, 0x48, 0x5C, 0x4E, 0x40, 0x44 },
	{0x57, 0x45, 0x37, 0x38, 0x50, 0x6D, 0x51, 0x57 },
	{0x5F, 0x62, 0x67, 0x68, 0x67, 0x3E, 0x4D, 0x71 },
	{0x79, 0x70, 0x64, 0x78, 0x5C, 0x65, 0x67, 0x63 },
	{0xFF, 0x20, 0x00, 0x1F, 0x00, 0x83, 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, 0x28, 0xFF },
	{0xC0, 0x00, 0x11, 0x08, 0x01, 0xE0, 0x02, 0x80 },
	{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_352[][8] = {
	{0xFF, 0xD8, 0xFF, 0xDB, 0x00, 0x84, 0x00, 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, 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, 0x01, 0x83, 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, 0x16, 0xFF },
	{0xC0, 0x00, 0x11, 0x08, 0x01, 0x20, 0x01, 0x60 },
	{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 }
};
static __u8 cxjpeg_320[][8] = {
	{0xFF, 0xD8, 0xFF, 0xDB, 0x00, 0x84, 0x00, 0x05 },
	{0x03, 0x04, 0x04, 0x04, 0x03, 0x05, 0x04, 0x04 },
	{0x04, 0x05, 0x05, 0x05, 0x06, 0x07, 0x0C, 0x08 },
	{0x07, 0x07, 0x07, 0x07, 0x0F, 0x0B, 0x0B, 0x09 },
	{0x0C, 0x11, 0x0F, 0x12, 0x12, 0x11, 0x0F, 0x11 },
	{0x11, 0x13, 0x16, 0x1C, 0x17, 0x13, 0x14, 0x1A },
	{0x15, 0x11, 0x11, 0x18, 0x21, 0x18, 0x1A, 0x1D },
	{0x1D, 0x1F, 0x1F, 0x1F, 0x13, 0x17, 0x22, 0x24 },
	{0x22, 0x1E, 0x24, 0x1C, 0x1E, 0x1F, 0x1E, 0x01 },
	{0x05, 0x03, 0x04, 0x04, 0x04, 0x03, 0x05, 0x04 },
	{0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x07, 0x0C },
	{0x08, 0x07, 0x07, 0x07, 0x07, 0x0F, 0x0B, 0x0B },
	{0x09, 0x0C, 0x11, 0x0F, 0x12, 0x12, 0x11, 0x0F },
	{0x11, 0x11, 0x13, 0x16, 0x1C, 0x17, 0x13, 0x14 },
	{0x1A, 0x15, 0x11, 0x11, 0x18, 0x21, 0x18, 0x1A },
	{0x1D, 0x1D, 0x1F, 0x1F, 0x1F, 0x13, 0x17, 0x22 },
	{0x24, 0x22, 0x1E, 0x24, 0x1C, 0x1E, 0x1F, 0x1E },
	{0xFF, 0x20, 0x00, 0x1F, 0x02, 0x0C, 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, 0x14, 0xFF },
	{0xC0, 0x00, 0x11, 0x08, 0x00, 0xF0, 0x01, 0x40 },
	{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_176[][8] = {
	{ 0xFF, 0xD8, 0xFF, 0xDB, 0x00, 0x84, 0x00, 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, 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, 0xA1, 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, 0x0B, 0xFF },
	{ 0xC0, 0x00, 0x11, 0x08, 0x00, 0x90, 0x00, 0xB0 },
	{ 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 }
};
static __u8 cxjpeg_160[][8] = {
	{0xFF, 0xD8, 0xFF, 0xDB, 0x00, 0x84, 0x00, 0x0D },//1
	{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, 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);
	
}