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Update sys.

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This commit is contained in:
sorgelig
2019-07-12 04:24:12 +08:00
parent fa444aec03
commit 9695397185
31 changed files with 2207 additions and 1365 deletions
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87
sys/osd.v
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@ -24,8 +24,14 @@ parameter OSD_Y_OFFSET = 12'd0;
localparam OSD_WIDTH = 12'd256;
localparam OSD_HEIGHT = 12'd64;
`ifdef OSD_HEADER
localparam OSD_HDR = 12'd32;
`else
localparam OSD_HDR = 12'd0;
`endif
reg osd_enable;
reg [7:0] osd_buffer[4096];
reg [7:0] osd_buffer[OSD_HDR ? (4096+1024) : 4096];
reg info = 0;
reg [8:0] infoh;
@ -35,13 +41,13 @@ reg [21:0] infoy;
reg [21:0] hrheight;
always@(posedge clk_sys) begin
reg [11:0] bcnt;
reg [12:0] bcnt;
reg [7:0] cmd;
reg has_cmd;
reg old_strobe;
reg highres = 0;
hrheight <= info ? infoh : (OSD_HEIGHT<<highres);
hrheight <= info ? infoh : ((OSD_HEIGHT<<highres)+OSD_HDR);
old_strobe <= io_strobe;
@ -59,12 +65,12 @@ always@(posedge clk_sys) begin
if(io_din[7:4] == 4) begin
if(!io_din[0]) {osd_status,highres} <= 0;
else {osd_status,info} <= {~io_din[2],io_din[2]};
bcnt <= 0;
bcnt <= 0;
end
// command 0x20: OSDCMDWRITE
if(io_din[7:4] == 2) begin
if(io_din[7:5] == 'b001) begin
if(io_din[3]) highres <= 1;
bcnt <= {io_din[3:0], 8'h00};
bcnt <= {io_din[4:0], 8'h00};
end
end else begin
// command 0x40: OSDCMDENABLE, OSDCMDDISABLE
@ -76,7 +82,7 @@ always@(posedge clk_sys) begin
end
// command 0x20: OSDCMDWRITE
if(cmd[7:4] == 2) osd_buffer[bcnt] <= io_din[7:0];
if(cmd[7:5] == 'b001) osd_buffer[bcnt] <= io_din[7:0];
bcnt <= bcnt + 1'd1;
end
@ -84,7 +90,7 @@ always@(posedge clk_sys) begin
end
end
reg ce_pix;
(* direct_enable *) reg ce_pix;
always @(negedge clk_video) begin
integer cnt = 0;
integer pixsz, pixcnt;
@ -105,8 +111,24 @@ always @(negedge clk_video) begin
end
end
reg [2:0] osd_de;
reg osd_pixel;
reg [2:0] osd_de;
reg osd_pixel;
reg [21:0] v_cnt;
reg v_cnt_below320, v_cnt_below640, v_cnt_below960;
reg [21:0] v_osd_start_320, v_osd_start_640, v_osd_start_960, v_osd_start_other;
// pipeline the comparisons a bit
always @(posedge clk_video) if(ce_pix) begin
v_cnt_below320 <= v_cnt < 320;
v_cnt_below640 <= v_cnt < 640;
v_cnt_below960 <= v_cnt < 960;
v_osd_start_320 <= ((v_cnt-hrheight)>>1) + OSD_Y_OFFSET;
v_osd_start_640 <= ((v_cnt-(hrheight<<1))>>1) + OSD_Y_OFFSET;
v_osd_start_960 <= ((v_cnt-(hrheight + (hrheight<<1)))>>1) + OSD_Y_OFFSET;
v_osd_start_other <= ((v_cnt-(hrheight<<2))>>1) + OSD_Y_OFFSET;
end
always @(posedge clk_video) begin
reg deD;
@ -114,7 +136,6 @@ always @(posedge clk_video) begin
reg [1:0] multiscan;
reg [7:0] osd_byte;
reg [23:0] h_cnt;
reg [21:0] v_cnt;
reg [21:0] dsp_width;
reg [21:0] osd_vcnt;
reg [21:0] h_osd_start;
@ -130,7 +151,8 @@ always @(posedge clk_video) begin
if(~&osd_hcnt) osd_hcnt <= osd_hcnt + 1'd1;
if (h_cnt == h_osd_start) begin
osd_de[0] <= osd_en[1] && hrheight && (osd_vcnt < hrheight);
osd_de[0] <= osd_en[1] && hrheight && (info ? (osd_vcnt < hrheight) :
(!osd_vcnt[11:7] || (osd_vcnt[11] && osd_vcnt[7] && (osd_vcnt[6:0] >= 4) && (osd_vcnt[6:0] < 19))));
osd_hcnt <= 0;
end
if (osd_hcnt+1 == (info ? infow : OSD_WIDTH)) osd_de[0] <= 0;
@ -145,38 +167,39 @@ always @(posedge clk_video) begin
h_osd_start <= info ? infox : (((dsp_width - OSD_WIDTH)>>1) + OSD_X_OFFSET - 2'd2);
if(h_cnt > {dsp_width, 2'b00}) begin
v_cnt <= 0;
v_cnt <= 1;
osd_en <= (osd_en << 1) | osd_enable;
if(~osd_enable) osd_en <= 0;
if(v_cnt<320) begin
if(v_cnt_below320) begin
multiscan <= 0;
v_osd_start <= info ? infoy : (((v_cnt-hrheight)>>1) + OSD_Y_OFFSET);
v_osd_start <= info ? infoy : v_osd_start_320;
end
else if(v_cnt<640) begin
else if(v_cnt_below640) begin
multiscan <= 1;
v_osd_start <= info ? (infoy<<1) : (((v_cnt-(hrheight<<1))>>1) + OSD_Y_OFFSET);
v_osd_start <= info ? (infoy<<1) : v_osd_start_640;
end
else if(v_cnt<960) begin
else if(v_cnt_below960) begin
multiscan <= 2;
v_osd_start <= info ? (infoy + (infoy << 1)) : (((v_cnt-(hrheight + (hrheight<<1)))>>1) + OSD_Y_OFFSET);
v_osd_start <= info ? (infoy + (infoy << 1)) : v_osd_start_960;
end
else begin
multiscan <= 3;
v_osd_start <= info ? (infoy<<2) : (((v_cnt-(hrheight<<2))>>1) + OSD_Y_OFFSET);
v_osd_start <= info ? (infoy<<2) : v_osd_start_other;
end
end
osd_div <= osd_div + 1'd1;
if(osd_div == multiscan) begin
osd_div <= 0;
if(~&osd_vcnt) osd_vcnt <= osd_vcnt + 1'd1;
if(~osd_vcnt[10]) osd_vcnt <= osd_vcnt + 1'd1;
if(osd_vcnt == 'b100010011111 && ~info) osd_vcnt <= 0;
end
if(v_osd_start == (v_cnt+1'b1)) {osd_div, osd_vcnt} <= 0;
if(v_osd_start == v_cnt) {osd_div, osd_vcnt} <= OSD_HDR ? {~info, 3'b000, ~info, 7'b0000000} : 22'd0;
end
osd_byte <= osd_buffer[{osd_vcnt[6:3], osd_hcnt[7:0]}];
osd_byte <= osd_buffer[{osd_vcnt[7:3], osd_hcnt[7:0]}];
osd_pixel <= osd_byte[osd_vcnt[2:0]];
osd_de[2:1] <= osd_de[1:0];
end
@ -185,11 +208,19 @@ end
reg [23:0] rdout;
assign dout = rdout;
reg [23:0] osd_rdout, normal_rdout;
reg osd_mux;
reg de_dly;
always @(posedge clk_video) begin
rdout <= ~osd_de[2] ? din : {{osd_pixel, osd_pixel, OSD_COLOR[2], din[23:19]},
{osd_pixel, osd_pixel, OSD_COLOR[1], din[15:11]},
{osd_pixel, osd_pixel, OSD_COLOR[0], din[7:3]}};
de_out <= de_in;
normal_rdout <= din;
osd_rdout <= {{osd_pixel, osd_pixel, OSD_COLOR[2], din[23:19]},// 23:16
{osd_pixel, osd_pixel, OSD_COLOR[1], din[15:11]},// 15:8
{osd_pixel, osd_pixel, OSD_COLOR[0], din[7:3]}}; // 7:0
osd_mux <= ~osd_de[2];
rdout <= osd_mux ? normal_rdout : osd_rdout;
de_dly <= de_in;
de_out <= de_dly;
end
endmodule