Add support for GBI 360p

This commit is contained in:
paulb-nl committed 2018-10-13 17:33:10 +02:00
1 parent 0905620b4d
commit f276cda190
7 files changed
+63 -23

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+18 -3
View File
@@ -49,7 +49,11 @@ alt_8 get_mode_id(alt_u32 totlines, alt_u8 progressive, alt_u32 hz, video_type t
switch (video_modes[i].group) {
case GROUP_NONE:
case GROUP_240P:
break;
case GROUP_384P:
//fixed Line2x/3x mode for 240x360p
valid_lm[2] = MODE_L2_240x360;
valid_lm[3] = MODE_L3_240x360;
break;
case GROUP_480I:
//fixed Line3x/4x mode for 480i
@@ -107,7 +111,7 @@ alt_8 get_mode_id(alt_u32 totlines, alt_u8 progressive, alt_u32 hz, video_type t
cm.fpga_vmultmode = FPGA_V_MULTMODE_2X;
// Use native 2x sampling with low-res modes when possible to minimize jitter and generate min. 25MHz input pclk for FPGA PLL
if ((!cm.cc.vga_ilace_fix) && (video_modes[i].h_total < 1400) && ((video_modes[i].group == GROUP_240P) || (video_modes[i].group == GROUP_384P) || (video_modes[i].group == GROUP_480I))) {
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED_1X;
cm.sample_mult = 2;
} else {
cm.fpga_hmultmode = FPGA_H_MULTMODE_FULLWIDTH;
@@ -124,14 +128,19 @@ alt_8 get_mode_id(alt_u32 totlines, alt_u8 progressive, alt_u32 hz, video_type t
break;
case MODE_L2_256_COL:
cm.fpga_vmultmode = FPGA_V_MULTMODE_2X;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED_1X;
cm.sample_mult = 6;
break;
case MODE_L2_320_COL:
cm.fpga_vmultmode = FPGA_V_MULTMODE_2X;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED_1X;
cm.sample_mult = 4;
break;
case MODE_L2_240x360:
cm.fpga_vmultmode = FPGA_V_MULTMODE_2X;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.sample_mult = 5;
break;
case MODE_L3_GEN_16_9:
cm.fpga_vmultmode = FPGA_V_MULTMODE_3X;
cm.fpga_hmultmode = FPGA_H_MULTMODE_FULLWIDTH;
@@ -157,6 +166,12 @@ alt_8 get_mode_id(alt_u32 totlines, alt_u8 progressive, alt_u32 hz, video_type t
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.sample_mult = 5;
break;
case MODE_L3_240x360:
cm.fpga_vmultmode = FPGA_V_MULTMODE_3X;
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.sample_mult = 7;
cm.hsync_cut = 13;
break;
case MODE_L4_GEN_4_3:
cm.fpga_vmultmode = FPGA_V_MULTMODE_4X;
cm.fpga_hmultmode = FPGA_H_MULTMODE_FULLWIDTH;
+15 -10
View File
@@ -70,16 +70,18 @@ typedef enum {
MODE_L2 = (1<<3),
MODE_L2_320_COL = (1<<4),
MODE_L2_256_COL = (1<<5),
MODE_L3_GEN_16_9 = (1<<6),
MODE_L3_GEN_4_3 = (1<<7),
MODE_L3_320_COL = (1<<8),
MODE_L3_256_COL = (1<<9),
MODE_L4_GEN_4_3 = (1<<10),
MODE_L4_320_COL = (1<<11),
MODE_L4_256_COL = (1<<12),
MODE_L5_GEN_4_3 = (1<<13),
MODE_L5_320_COL = (1<<14),
MODE_L5_256_COL = (1<<15),
MODE_L2_240x360 = (1<<6),
MODE_L3_GEN_16_9 = (1<<7),
MODE_L3_GEN_4_3 = (1<<8),
MODE_L3_320_COL = (1<<9),
MODE_L3_256_COL = (1<<10),
MODE_L3_240x360 = (1<<11),
MODE_L4_GEN_4_3 = (1<<12),
MODE_L4_320_COL = (1<<13),
MODE_L4_256_COL = (1<<14),
MODE_L5_GEN_4_3 = (1<<15),
MODE_L5_320_COL = (1<<16),
MODE_L5_256_COL = (1<<17),
} mode_flags;
typedef struct {
@@ -113,6 +115,9 @@ typedef struct {
{ "320x240LB", 320, 240, 426, 312, 49, 41, 31, 3, (VIDEO_SDTV | VIDEO_PC), GROUP_240P, (MODE_L2_320_COL | MODE_L3_320_COL | MODE_L4_320_COL | MODE_L5_320_COL) }, \
{ "256x240LB", 256, 240, 341, 312, 39, 41, 25, 3, (VIDEO_SDTV | VIDEO_PC), GROUP_240P, (MODE_L2_256_COL | MODE_L3_256_COL | MODE_L4_256_COL | MODE_L5_256_COL) }, \
{ "288p", 720, 288, 864, 312, 69, 19, 63, 3, (VIDEO_SDTV | VIDEO_PC), GROUP_240P, (MODE_PT | MODE_L2 | MODE_PLLDIVBY2) }, \
/* 360p: GBI */ \
{ "480x360", 480, 360, 600, 375, 63, 10, 38, 3, (VIDEO_EDTV), GROUP_384P, (MODE_PT | MODE_L2 | MODE_PLLDIVBY2) }, \
{ "240x360", 256, 360, 300, 375, 24, 10, 18, 3, (VIDEO_EDTV), GROUP_384P, (MODE_L2_240x360 | MODE_L3_240x360) }, \
/* 384p: Sega Model 2 */ \
{ "384p", 496, 384, 640, 423, 50, 29, 62, 3, (VIDEO_EDTV), GROUP_384P, (MODE_PT | MODE_L2 | MODE_PLLDIVBY2) }, \
/* 640x400, VGA Mode 13h */ \