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rk3036 hdmi: hdmi csc yuv2rgb test ok

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This commit is contained in:
hjc
2014-09-09 17:10:13 +08:00
parent 617e38f5d9
commit c9bdb22768
1 changed files with 97 additions and 21 deletions
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118
drivers/video/rockchip/hdmi/chips/rk3036/rk3036_hdmi_hw.c
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@@ -222,46 +222,122 @@ int rk3036_hdmi_read_edid(struct hdmi *hdmi_drv, int block, u8 *buf)
}
static const char coeff_csc[][24] = {
/*YUV2RGB:709 HD mode*/
/*YUV2RGB:601 SD mode(Y[16:235],UV[16:240],RGB[0:255]):
R = 1.164*Y +1.596*V - 204
G = 1.164*Y - 0.391*U - 0.813*V + 154
B = 1.164*Y + 2.018*U - 258*/
{
0x04, 0xa7, 0x00, 0x00, 0x06, 0x62, 0x02, 0xcc,
0x04, 0xa7, 0x11, 0x90, 0x13, 0x40, 0x00, 0x9a,
0x04, 0xa7, 0x08, 0x12, 0x00, 0x00, 0x03, 0x02},
/*YUV2RGB:601 SD mode(YUV[0:255],RGB[0:255]):
R = Y + 1.402*V - 248
G = Y - 0.344*U - 0.714*V + 135
B = Y + 1.772*U - 227*/
{
0x04, 0x00, 0x00, 0x00, 0x05, 0x9b, 0x02, 0xf8,
0x04, 0x00, 0x11, 0x60, 0x12, 0xdb, 0x00, 0x87,
0x04, 0x00, 0x07, 0x16, 0x00, 0x00, 0x02, 0xe3},
/*YUV2RGB:709 HD mode(Y[16:235],UV[16:240],RGB[0:255]):
R = 1.164*Y +1.793*V - 248
G = 1.164*Y - 0.213*U - 0.534*V + 77
B = 1.164*Y + 2.115*U - 289*/
{
0x04, 0xa7, 0x00, 0x00, 0x07, 0x2c, 0x02, 0xf8,
0x04, 0xa7, 0x10, 0xda, 0x12, 0x22, 0x00, 0x4d,
0x04, 0xa7, 0x08, 0x74, 0x00, 0x00, 0x03, 0x21},
/*RGB2YUV:601 SD mode:
Cb = -0.291G - 0.148R + 0.439B + 128
Y = 0.504G + 0.257R + 0.098B + 16
Cr = -0.368G + 0.439R - 0.071B + 128*/
{
0x11, 0x29, 0x10, 0x97, 0x01, 0xc1, 0x00, 0x80,
0x02, 0x04, 0x01, 0x07, 0x00, 0x64, 0x00, 0x10,
0x11, 0x78, 0x01, 0xc1, 0x10, 0x48, 0x00, 0x80},
/*RGB2YUV:709 HD mode:
Cb = - 0.338G - 0.101R + 0.439B + 128
Y = 0.614G + 0.183R + 0.062B + 16
Cr = - 0.399G + 0.439R - 0.040B + 128*/
{
0x11, 0x5a, 0x10, 0x67, 0x01, 0xc1, 0x00, 0x80,
0x02, 0x74, 0x00, 0xbb, 0x00, 0x3f, 0x00, 0x10,
0x11, 0x98, 0x01, 0xc1, 0x10, 0x28, 0x00, 0x80},
/*RGB[0:255]2RGB[16:235]:
R' = R x (235-16)/255 + 16;
G' = G x (235-16)/255 + 16;
B' = B x (235-16)/255 + 16;*/
{
0x00, 0x00, 0x03, 0x6F, 0x00, 0x00, 0x00, 0x10,
0x03, 0x6F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
0x00, 0x00, 0x00, 0x00, 0x03, 0x6F, 0x00, 0x10},
};
static int rk3036_hdmi_video_csc(struct hdmi *hdmi_drv,
struct hdmi_video_para *vpara)
{
int value;
int value,i;
const char *coeff = NULL;
struct rk_hdmi_device *hdmi_dev = container_of(hdmi_drv,
struct rk_hdmi_device,
driver);
coeff = coeff_csc[0];
/* Enable or disalbe color space convert */
printk("rk3036_hdmi_video_csc:input_color=%d,output_color=%d\n",vpara->input_color,vpara->output_color);
if (vpara->input_color != vpara->output_color) {
if(vpara->input_color == VIDEO_INPUT_COLOR_RGB) {/*rgb2yuv*/
coeff = coeff_csc[3];
for (i = 0; i < 24; i++) {
hdmi_writel(hdmi_dev, VIDEO_CSC_COEF+i, coeff[i]);
}
value = v_SOF_DISABLE | v_CSC_ENABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
v_VIDEO_AUTO_CSC(0) | v_VIDEO_C0_C2_EXCHANGE(0));
} else {/*yuv2rgb*/
#ifdef AUTO_DEFINE_CSC
value = v_SOF_DISABLE | v_CSC_DISABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
v_VIDEO_AUTO_CSC(1) | v_VIDEO_C0_C2_EXCHANGE(1));
value = v_SOF_DISABLE | v_CSC_DISABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
v_VIDEO_AUTO_CSC(1) | v_VIDEO_C0_C2_EXCHANGE(1));
#else
int i;
for (i = 0; i < 24; i++) {
hdmi_writel(hdmi_dev, VIDEO_CSC_COEF+i, coeff[i]);
}
value = v_SOF_DISABLE | v_CSC_ENABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
v_VIDEO_AUTO_CSC(0) | v_VIDEO_C0_C2_EXCHANGE(0));
if(hdmi_drv->lcdc->cur_screen->mode.xres <= 576)/*x <= 576,REC-601*/ {
coeff = coeff_csc[0];
printk("xres<=576,xres=%d\n",hdmi_drv->lcdc->cur_screen->mode.xres);
} else/*x > 576,REC-709*/{
coeff = coeff_csc[2];
printk("xres>576,xres=%d\n",hdmi_drv->lcdc->cur_screen->mode.xres);
}
for (i = 0; i < 24; i++) {
hdmi_writel(hdmi_dev, VIDEO_CSC_COEF+i, coeff[i]);
}
value = v_SOF_DISABLE | v_CSC_ENABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
v_VIDEO_AUTO_CSC(0) | v_VIDEO_C0_C2_EXCHANGE(0));
#endif
}
} else {
value = v_SOF_DISABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL, m_VIDEO_AUTO_CSC, v_VIDEO_AUTO_CSC(0));
if(vpara->input_color == VIDEO_INPUT_COLOR_RGB) {/*rgb[0:255]->rbg[16:235]*/
coeff = coeff_csc[4];
for (i = 0; i < 24; i++) {
hdmi_writel(hdmi_dev, VIDEO_CSC_COEF+i, coeff[i]);
}
value = v_SOF_DISABLE | v_CSC_ENABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
v_VIDEO_AUTO_CSC(0) | v_VIDEO_C0_C2_EXCHANGE(1));
} else {
value = v_SOF_DISABLE;
hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL, m_VIDEO_AUTO_CSC, v_VIDEO_AUTO_CSC(0));
}
}
return 0;