/**
* Repackage data in the inverse intensity chromaticity space. The first three
* channels contain red, green and blue chromaticities. The fourth channel
* contains 1/(r+g+b).
* Note that it is necessary to call this method prior to the estimation.
*/
void Tan::createIICSpace(cv::Mat_<cv::Vec3d> &image)
{
// IIC iic((cv::Mat_<cv::Vec3d>)image, config.min_intensity, config.max_intensity);
IIC iic((cv::Mat_<cv::Vec3d>)image);
iic_space = iic.getIIC();
iic_space_set = true;
}
/*
* ar_initialize()
* ar_initialize() is called by video_register_device() and
* initializes AR LSI and peripherals.
*
* -1 is returned in all failures.
* 0 is returned in success.
*
*/
static int ar_initialize(struct video_device *dev)
{
struct ar_device *ar = dev->priv;
unsigned long cr = 0;
int i,found=0;
DEBUG(1, "ar_initialize:\n");
/*
* initialize AR LSI
*/
ar_outl(0, ARVCR0); /* assert reset of AR LSI */
for (i = 0; i < 0x18; i++) /* wait for over 10 cycles @ 27MHz */
cpu_relax();
ar_outl(ARVCR0_RST, ARVCR0); /* negate reset of AR LSI (enable) */
for (i = 0; i < 0x40d; i++) /* wait for over 420 cycles @ 27MHz */
cpu_relax();
/* AR uses INT3 of CPU as interrupt pin. */
ar_outl(ARINTSEL_INT3, ARINTSEL);
if (ar->size == AR_SIZE_QVGA)
cr |= ARVCR1_QVGA;
if (ar->mode == AR_MODE_NORMAL)
cr |= ARVCR1_NORMAL;
ar_outl(cr, ARVCR1);
/*
* Initialize IIC so that CPU can communicate with AR LSI,
* and send boot commands to AR LSI.
*/
init_iic();
for (i = 0; i < 0x100000; i++) { /* > 0xa1d10, 56ms */
if ((ar_inl(ARVCR0) & ARVCR0_VDS)) { /* VSYNC */
found = 1;
break;
}
}
if (found == 0)
return -ENODEV;
printk("arv: Initializing ");
iic(2,0x78,0x11,0x01,0x00); /* start */
iic(3,0x78,0x12,0x00,0x06);
iic(3,0x78,0x12,0x12,0x30);
iic(3,0x78,0x12,0x15,0x58);
iic(3,0x78,0x12,0x17,0x30);
printk(".");
iic(3,0x78,0x12,0x1a,0x97);
iic(3,0x78,0x12,0x1b,0xff);
iic(3,0x78,0x12,0x1c,0xff);
iic(3,0x78,0x12,0x26,0x10);
iic(3,0x78,0x12,0x27,0x00);
printk(".");
iic(2,0x78,0x34,0x02,0x00);
iic(2,0x78,0x7a,0x10,0x00);
iic(2,0x78,0x80,0x39,0x00);
iic(2,0x78,0x81,0xe6,0x00);
iic(2,0x78,0x8d,0x00,0x00);
printk(".");
iic(2,0x78,0x8e,0x0c,0x00);
iic(2,0x78,0x8f,0x00,0x00);
#if 0
iic(2,0x78,0x90,0x00,0x00); /* AWB on=1 off=0 */
#endif
iic(2,0x78,0x93,0x01,0x00);
iic(2,0x78,0x94,0xcd,0x00);
iic(2,0x78,0x95,0x00,0x00);
printk(".");
iic(2,0x78,0x96,0xa0,0x00);
iic(2,0x78,0x97,0x00,0x00);
iic(2,0x78,0x98,0x60,0x00);
iic(2,0x78,0x99,0x01,0x00);
iic(2,0x78,0x9a,0x19,0x00);
printk(".");
iic(2,0x78,0x9b,0x02,0x00);
iic(2,0x78,0x9c,0xe8,0x00);
iic(2,0x78,0x9d,0x02,0x00);
iic(2,0x78,0x9e,0x2e,0x00);
iic(2,0x78,0xb8,0x78,0x00);
iic(2,0x78,0xba,0x05,0x00);
#if 0
iic(2,0x78,0x83,0x8c,0x00); /* brightness */
#endif
printk(".");
/* color correction */
iic(3,0x78,0x49,0x00,0x95); /* a */
iic(3,0x78,0x49,0x01,0x96); /* b */
iic(3,0x78,0x49,0x03,0x85); /* c */
iic(3,0x78,0x49,0x04,0x97); /* d */
iic(3,0x78,0x49,0x02,0x7e); /* e(Lo) */
iic(3,0x78,0x49,0x05,0xa4); /* f(Lo) */
iic(3,0x78,0x49,0x06,0x04); /* e(Hi) */
iic(3,0x78,0x49,0x07,0x04); /* e(Hi) */
iic(2,0x78,0x48,0x01,0x00); /* on=1 off=0 */
printk(".");
iic(2,0x78,0x11,0x00,0x00); /* end */
printk(" done\n");
return 0;
}
