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Add support for GBI 360p

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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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rtl/scanconverter.v
+17 -4
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@@ -42,6 +42,7 @@
`define H_MULTMODE_FULLWIDTH 2'h0
`define H_MULTMODE_ASPECTFIX 2'h1
`define H_MULTMODE_OPTIMIZED 2'h2
`define H_MULTMODE_OPTIMIZED_1X 2'h3
`define SCANLINES_OFF 2'h0
`define SCANLINES_H 2'h1
@@ -187,6 +188,8 @@ reg [2:0] H_OPT_SCALE;
reg [2:0] H_OPT_SAMPLE_MULT;
reg [2:0] H_OPT_SAMPLE_SEL;
reg [9:0] H_L5BORDER;
reg [9:0] H_L3BORDER;
reg [6:0] H_L3_OPT_SAMPLE_COMP;
reg [3:0] X_MASK_BR;
reg X_SCANLINE_METHOD;
reg [4:0] X_SCANLINE_HYBRSTR;
@@ -375,12 +378,18 @@ case (V_MULTMODE)
col_id_act = {2'b00, hcnt_2x[0]};
rlpf_trigger_act = 1'b1;
end
`H_MULTMODE_OPTIMIZED: begin
`H_MULTMODE_OPTIMIZED_1X: begin
pclk_mux_sel = `PCLK_MUX_1X; //special case: pclk bypass to enable 2x native sampling
linebuf_hoffset = hcnt_2x_opt;
col_id_act = {2'b00, hcnt_2x[1]};
rlpf_trigger_act = (hcnt_2x_opt_ctr == 0);
end
`H_MULTMODE_OPTIMIZED: begin
pclk_mux_sel = `PCLK_MUX_2X;
linebuf_hoffset = hcnt_2x_opt;
col_id_act = hcnt_2x_opt_ctr;
rlpf_trigger_act = (hcnt_2x_opt_ctr == 0);
end
endcase
end
`V_MULTMODE_3X: begin
@@ -870,6 +879,10 @@ begin
// H_L5BORDER <= h_info[29] ? (11'd1920-h_info[10:0])/2 : (11'd1600-h_info[10:0])/2;
H_L5BORDER <= h_info[29] ? H_L5BORDER_1920_tmp[10:1] : H_L5BORDER_1600_tmp[10:1];
// For Line3x 240x360
H_L3BORDER <= h_info[28] ? H_L5BORDER_1920_tmp[10:1] : 10'd0;
H_L3_OPT_SAMPLE_COMP <= h_info[28] ? 7'd90 : 7'd0;
H_OPT_SCALE <= h_info2[18:16];
H_OPT_SAMPLE_SEL <= h_info2[15:13];
@@ -990,7 +1003,7 @@ begin
if ((pclk_3x_cnt == 0) & (line_change | frame_change)) begin //aligned with posedge of pclk_1x
if (!(frame_change & (FID_cur == `FID_ODD))) begin
hcnt_3x <= 0;
hcnt_3x_opt <= H_OPT_SAMPLE_SEL;
hcnt_3x_opt <= H_OPT_SAMPLE_SEL + H_L3_OPT_SAMPLE_COMP;
hcnt_3x_opt_ctr <= 0;
line_out_idx_3x <= 0;
end
@@ -1001,7 +1014,7 @@ begin
end else if (hcnt_3x == hmax[~line_idx]) begin
hcnt_3x <= 0;
line_out_idx_3x <= line_out_idx_3x + 1'b1;
hcnt_3x_opt <= H_OPT_SAMPLE_SEL;
hcnt_3x_opt <= H_OPT_SAMPLE_SEL + H_L3_OPT_SAMPLE_COMP;
hcnt_3x_opt_ctr <= 0;
end else begin
hcnt_3x <= hcnt_3x + 1'b1;
@@ -1032,7 +1045,7 @@ begin
VSYNC_3x <= ~`VSYNC_POL;
end
DE_3x <= ((hcnt_3x >= H_AVIDSTART) & (hcnt_3x < H_AVIDSTOP)) & ((vcnt_3x >= V_AVIDSTART) & (vcnt_3x < V_AVIDSTOP));
DE_3x <= ((hcnt_3x >= H_AVIDSTART-H_L3BORDER) & (hcnt_3x < H_AVIDSTOP+H_L3BORDER)) & ((vcnt_3x >= V_AVIDSTART) & (vcnt_3x < V_AVIDSTOP));
end
end