RomanRom2/ossc
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add Full VSYNC bypas option

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marqs committed 2025-03-01 11:23:24 +02:00
1 parent 2725351039
commit fe3c6fdfa7
6 files changed
+19 -7
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software/sys_controller/tvp7002/tvp7002.c
+11 -6
View File
@@ -38,7 +38,8 @@ const ypbpr_to_rgb_csc_t csc_coeffs[] = {
};
static const alt_u8 Kvco[] = {75, 85, 150, 200};
static const char *Kvco_str[] = { "Ultra low", "Low", "Medium", "High" };
static const char* const Kvco_str[] = { "Ultra low", "Low", "Medium", "High" };
static alt_u8 full_vs_bypass;
static void tvp_set_clamp_type(video_format fmt)
{
@@ -201,6 +202,7 @@ void tvp_init()
};
// Set default configuration (skip those which match register reset values)
full_vs_bypass = 0;
// Configure external refclk, HPLL generated pclk
tvp_sel_clk(REFCLK_EXT27, 0);
@@ -267,6 +269,10 @@ void tvp_set_gain_offset(color_setup_t *col) {
tvp_writereg(TVP_B_FOFFSET_MSB, col->b_f_off);
}
void tvp_set_full_vs_bypass(alt_u8 enable) {
full_vs_bypass = enable;
}
// Configure H-PLL (sampling rate, VCO gain and charge pump current)
void tvp_setup_hpll(alt_u16 h_samplerate, alt_u16 pixs_per_line, alt_u16 refclks_per_line, alt_u8 plldivby2)
{
@@ -447,11 +453,10 @@ void tvp_source_sel(tvp_input_t input, tvp_sync_input_t syncinput, video_format
else
tvp_writereg(TVP_MISCCTRL3, 0x00);
#ifdef SYNCBYPASS
tvp_writereg(TVP_SYNCBYPASS, 0x03);
#else
tvp_writereg(TVP_SYNCBYPASS, 0x00);
#endif
if ((syncinput > TVP_SOG3) && (syncinput < TVP_CS_A))
tvp_writereg(TVP_SYNCBYPASS, full_vs_bypass ? 0x02 : 0x00);
else
tvp_writereg(TVP_SYNCBYPASS, 0x00);
//TODO:
//TVP_ADCSETUP
software/sys_controller/tvp7002/tvp7002.h
+2
View File
@@ -98,6 +98,8 @@ void tvp_init();
void tvp_set_gain_offset(color_setup_t *col);
void tvp_set_full_vs_bypass(alt_u8 enable);
void tvp_setup_hpll(alt_u16 h_samplerate, alt_u16 pixs_per_line, alt_u16 refclks_per_line, alt_u8 plldivby2);
void tvp_sel_csc(const ypbpr_to_rgb_csc_t *csc);