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* automate coast enable/disable based on sync type
* move glitch filter under sync menu
This commit is contained in:
marqs committed 2026-09-28 21:46:19 +03:00
1 parent 0e7345464b
commit 14e7258bfc
7 files changed
+15 -40
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software/sys_controller/ic_drivers/tvp7002/tvp7002.c
+8 -23
View File
@@ -180,13 +180,6 @@ inline void tvp_set_hpllcoast(alt_u8 pre, alt_u8 post)
tvp_writereg(TVP_HPLLPOSTCOAST, post);
}
// Enable/disable the internal H-PLL coast signal (MISCCTRL4 bit 2, "Coast Dis")
void tvp_set_coast_enable(alt_u8 enable)
{
alt_u8 val = tvp_readreg(TVP_MISCCTRL4) & 0xFB;
tvp_writereg(TVP_MISCCTRL4, val | (enable ? 0x00 : 0x04));
}
inline void tvp_set_linelen_tol(alt_u8 val) {
tvp_writereg(TVP_LINELENTOL, val);
}
@@ -402,22 +395,6 @@ void tvp_source_setup(video_type type, alt_u16 h_samplerate, alt_u16 pixs_per_li
// Clamp and ALC
tvp_set_clamp_alc(type, clamp_ref_offset, clamp_user_offset, 1);
// Setup Macrovision stripper and H-PLL coast signal.
// Coast needs to be enabled when HSYNC is missing during VSYNC. RGBHV mode cannot use it, so turn off the internal signal for this mode.
// Macrovision stripper filters out glitches and serration pulses that may occur outside of sync window (HSYNC_lead +- TVP_MVSWIDTH*37ns). Enabled for all inputs.
switch (type) {
case VIDEO_PC:
tvp_writereg(TVP_MISCCTRL4, 0x0D);
break;
//case VIDEO_LDTV:
case VIDEO_SDTV:
case VIDEO_EDTV:
case VIDEO_HDTV:
default:
tvp_writereg(TVP_MISCCTRL4, 0x09);
break;
}
tvp_setup_hpll(h_samplerate, pixs_per_line, refclks_per_line, plldivby2);
}
@@ -465,6 +442,14 @@ void tvp_source_sel(tvp_input_t input, tvp_sync_input_t syncinput, video_format
else
tvp_writereg(TVP_SYNCBYPASS, 0x00);
// Setup Macrovision stripper and H-PLL coast signal.
// Coast needs to be enabled when HSYNC is missing during VSYNC. RGBHV mode cannot use it, so turn off the internal signal for this mode.
// Macrovision stripper filters out glitches and serration pulses that may occur outside of sync window (HSYNC_lead +- TVP_MVSWIDTH*37ns). Enabled for all inputs.
if (fmt == FORMAT_RGBHV)
tvp_writereg(TVP_MISCCTRL4, 0x0D);
else
tvp_writereg(TVP_MISCCTRL4, 0x09);
//TODO:
//TVP_ADCSETUP
software/sys_controller/ic_drivers/tvp7002/tvp7002.h
-2
View File
@@ -90,8 +90,6 @@ inline void tvp_powerup();
inline void tvp_set_hpllcoast(alt_u8 pre, alt_u8 post);
void tvp_set_coast_enable(alt_u8 enable);
inline void tvp_set_linelen_tol(alt_u8 val);
inline void tvp_set_ssthold(alt_u8 vsdetect_thold);