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Commit 454a65b4 authored by Andrey Filippov's avatar Andrey Filippov
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connecting first ported compressor modules together

parent 6e79acaf
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compressor_jp/cmprs_pixel_buf_iface.v
View file @ 454a65b4
......@@ -23,11 +23,18 @@
`timescale 1ns/1ps
module cmprs_pixel_buf_iface #(
parameter CMPRS_PREEND_EARLY = 8, // TODO: adjust according to cmprs_macroblock_buf_iface latency. In
parameter CMPRS_PREEND_EARLY = 6, // TODO: adjust according to cmprs_macroblock_buf_iface latency. In
// color18 mode this should be later than end of address run - (6*64>18*18)
// "0" would generate pulse at eth same time as next macro mb_pre_start
parameter CMPRS_RELEASE_EARLY = 16, // set to minimal actual latency in memory read, but not more than
parameter CMPRS_BUF_EXTRA_LATENCY = 0 // extra register layers insered between the buffer and this module
parameter CMPRS_BUF_EXTRA_LATENCY = 0, // extra register layers insered between the buffer and this module
parameter CMPRS_COLOR18 = 0, // JPEG 4:2:0 with 18x18 overlapping tiles for de-bayer
parameter CMPRS_COLOR20 = 1, // JPEG 4:2:0 with 18x18 overlapping tiles for de-bayer (not implemented)
parameter CMPRS_MONO16 = 2, // JPEG 4:2:0 with 16x16 non-overlapping tiles, color components zeroed
parameter CMPRS_JP4 = 3, // JP4 mode with 16x16 macroblocks
parameter CMPRS_JP4DIFF = 4, // JP4DIFF mode TODO: see if correct
parameter CMPRS_MONO8 = 7 // Regular JPEG monochrome with 8x8 macroblocks (not yet implemented)
)(
input xclk, // global clock input, compressor single clock rate
input frame_en, // if 0 - will reset logic immediately (but not page number)
......@@ -57,7 +64,7 @@ module cmprs_pixel_buf_iface #(
localparam PERIOD_MONO16 = 384; // 6*64 - sends 2 of zeroed blobks
localparam PERIOD_JP4 = 256; // 4*64 - exact match
localparam PERIOD_JP4DIFF = 256; // TODO: see if correct
localparam PERIOD_MONO8 = 64; // 1*64 - exact match - not yet implemented (notmal mono JPEG)
localparam PERIOD_MONO8 = 64; // 1*64 - exact match - not yet implemented (normal mono JPEG)
reg [CMPRS_BUF_EXTRA_LATENCY+3:0] buf_re=0;
......@@ -159,12 +166,12 @@ module cmprs_pixel_buf_iface #(
if (!frame_en) period_cntr <= 0;
else if (mb_pre_start) begin
case (converter_type[2:0])
3'h0: period_cntr <= PERIOD_COLOR18 - 1;
3'h1: period_cntr <= PERIOD_COLOR20 - 1;
3'h2: period_cntr <= PERIOD_MONO16 - 1;
3'h3: period_cntr <= PERIOD_JP4 - 1;
3'h4: period_cntr <= PERIOD_JP4DIFF - 1;
3'h7: period_cntr <= PERIOD_MONO8 - 1;
CMPRS_COLOR18: period_cntr <= PERIOD_COLOR18 - 1;
CMPRS_COLOR20: period_cntr <= PERIOD_COLOR20 - 1;
CMPRS_MONO16: period_cntr <= PERIOD_MONO16 - 1;
CMPRS_JP4: period_cntr <= PERIOD_JP4 - 1;
CMPRS_JP4DIFF: period_cntr <= PERIOD_JP4DIFF - 1;
CMPRS_MONO8: period_cntr <= PERIOD_MONO8 - 1;
default: period_cntr <= 'bx;
endcase
end else if (|period_cntr) period_cntr <= period_cntr - 1;
......@@ -178,4 +185,3 @@ module cmprs_pixel_buf_iface #(
end
endmodule
compressor_jp/jp_channel.v
View file @ 454a65b4
......@@ -21,6 +21,12 @@
`timescale 1ns/1ps
module jp_channel#(
parameter CMPRS_COLOR18 = 0, // JPEG 4:2:0 with 18x18 overlapping tiles for de-bayer
parameter CMPRS_COLOR20 = 1, // JPEG 4:2:0 with 18x18 overlapping tiles for de-bayer (not implemented)
parameter CMPRS_MONO16 = 2, // JPEG 4:2:0 with 16x16 non-overlapping tiles, color components zeroed
parameter CMPRS_JP4 = 3, // JP4 mode with 16x16 macroblocks
parameter CMPRS_JP4DIFF = 4, // JP4DIFF mode TODO: see if correct
parameter CMPRS_MONO8 = 7 // Regular JPEG monochrome with 8x8 macroblocks (not yet implemented)
)(
input rst,
input xclk, // global clock input, compressor single clock rate
......@@ -31,21 +37,119 @@ module jp_channel#(
input cmd_stb_in, // strobe (with first byte) for the command a/d
output [7:0] status_ad, // status address/data - up to 5 bytes: A - {seq,status[1:0]} - status[2:9] - status[10:17] - status[18:25]
output status_rq, // input request to send status downstream
input status_start // Acknowledge of the first status packet byte (address)
input status_start, // Acknowledge of the first status packet byte (address)
// TODO: Maybe move buffer to memory controller ?
input xfer_reset_page_rd, // from mcntrl_tiled_rw
input buf_wpage_nxt, // input
input buf_wr, // input
input [63:0] buf_wdata, // input[63:0]
input page_ready_chn, // single mclk (posedge)
output next_page_chn // single mclk (posedge): Done with the page in the buffer, memory controller may read more data
);
// Control signals to be defined
wire frame_en; // if 0 - will reset logic immediately (but not page number)
wire frame_go; // start frame: if idle, will start reading data (if available),
// if running - will not restart a new frame if 0.
wire [ 4:0] left_marg; // left margin (for not-yet-implemented) mono JPEG (8 lines tile row) can need 7 bits (mod 32 - tile)
wire [12:0] n_blocks_in_row_m1; // number of macroblocks in a macroblock row minus 1
wire [12:0] n_block_rows_m1; // number of macroblock rows in a frame minus 1
wire [ 2:0] converter_type; // 0 - color18, 1 - color20, 2 - mono, 3 - jp4, 4 - jp4-diff, 7 - mono8 (not yet implemented)
//TODO: assign next 5 values from converter_type[2:0]
reg [ 5:0] mb_w_m1; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
reg [ 5:0] mb_h_m1; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
reg [ 4:0] mb_hper; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
reg [ 1:0] tile_width; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
reg tile_col_width; // 0 - 16 pixels, 1 -32 pixels
// signals connecting modules: cmprs_macroblock_buf_iface_i and cmprs_pixel_buf_iface_i:
wire mb_pre_end; // from cmprs_pixel_buf_iface - just in time to start a new macroblock w/o gaps
wire mb_release_buf; // send required "next_page" pulses to buffer. Having rather long minimal latency in the memory
// controller this can just be the same as mb_pre_end_in
wire mb_pre_start; // 1 clock cycle before stream of addresses to the buffer
wire [ 1:0] start_page; // page to read next tile from (or first of several pages)
wire [ 6:0] macroblock_x; // macroblock left pixel x relative to a tile (page) Maximal page - 128 bytes wide
// Port 1rd (read DDR to AFI) buffer, linear
// signals connecting modules: cmprs_pixel_buf_iface_i and chn_rd_buf_i:
wire [ 7:0] buf_di; // data from the buffer
wire [11:0] buf_ra; // buffer read address (2 MSB - page number)
wire [ 1:0] buf_rd; // buf {regen, re}
// signals connecting modules: chn_rd_buf_i and ???:
wire [ 7:0] mb_data_out; // Macroblock data out in scanline order
wire mb_pre_first_out; // Macroblock data out strobe - 1 cycle just before data valid
wire mb_data_valid; // Macroblock data out valid
// set derived parameters from converter_type
// wire [ 2:0] converter_type; // 0 - color18, 1 - color20, 2 - mono, 3 - jp4, 4 - jp4-diff, 7 - mono8 (not yet implemented)
always @(converter_type) begin
case (converter_type)
CMPRS_COLOR18: begin
mb_w_m1 <= 17; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 17; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 16; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 1; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 1; // 0 - 16 pixels, 1 -32 pixels
end
CMPRS_COLOR20: begin
mb_w_m1 <= 19; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 19; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 16; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 1; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 1; // 0 - 16 pixels, 1 -32 pixels
end
CMPRS_MONO16: begin
mb_w_m1 <= 15; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 15; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 16; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 2; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 1; // 0 - 16 pixels, 1 -32 pixels
end
CMPRS_JP4: begin
mb_w_m1 <= 15; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 15; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 16; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 2; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 1; // 0 - 16 pixels, 1 -32 pixels
end
CMPRS_JP4DIFF: begin
mb_w_m1 <= 15; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 15; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 16; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 2; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 1; // 0 - 16 pixels, 1 -32 pixels
end
CMPRS_MONO8: begin
mb_w_m1 <= 7; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 7; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 8; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 3; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 1; // 0 - 16 pixels, 1 -32 pixels
end
default: begin
mb_w_m1 <= 'bx; // macroblock width minus 1 // 3 LSB not used, SHOULD BE SET to 3'b111
mb_h_m1 <= 'bx; // macroblock horizontal period (8/16) // 3 LSB not used SHOULD BE SET to 3'b111
mb_hper <= 'bx; // macroblock horizontal period (8/16) // 3 LSB not used TODO: assign from converter_type[2:0]
tile_width <= 'bx; // memory tile width (can be 128 for monochrome JPEG) Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
tile_col_width <= 'bx; // 0 - 16 pixels, 1 -32 pixels
end
endcase
end
// Port buffer - TODO: Move to memory controller
mcntrl_buf_rd #(
.LOG2WIDTH_RD(6) // 64 bit external interface
) chn1rd_buf_i (
.ext_clk (hclk), // input
.ext_raddr ({read_page,buf_in_line64[6:0]}), // input[8:0]
.ext_rd (bufrd_rd[0]), // input
.ext_regen (bufrd_rd[1]), // input
.ext_data_out (afi_wdata), // output[63:0]
.LOG2WIDTH_RD(3) // 64 bit external interface
) chn_rd_buf_i (
.ext_clk (xclk), // input
.ext_raddr (buf_ra), // input[11:0]
.ext_rd (buf_rd[0]), // input
.ext_regen (buf_rd[1]), // input
.ext_data_out (buf_di), // output[7:0]
.wclk (!mclk), // input
.wpage_in (2'b0), // input[1:0]
.wpage_set (xfer_reset_page_rd), // input TODO: Generate @ negedge mclk on frame start
......@@ -55,5 +159,64 @@ module jp_channel#(
.data_in (buf_wdata) // input[63:0]
);
cmprs_macroblock_buf_iface cmprs_macroblock_buf_iface_i (
.rst (rst), // input
.xclk (xclk), // input
.mclk (mclk), // input
.xfer_reset_page_rd (xfer_reset_page_rd), // input
.page_ready_chn (page_ready_chn), // input
.next_page_chn (next_page_chn), // output
.frame_en (frame_en), // input
.frame_go (frame_go), // input
.left_marg (left_marg), // input[4:0]
.n_blocks_in_row_m1 (n_blocks_in_row_m1), // input[12:0]
.n_block_rows_m1 (n_block_rows_m1), // input[12:0]
.mb_w_m1 (mb_w_m1), // input[5:0] // macroblock width minus 1 // 3 LSB not used - set them to all 1
.mb_hper (mb_hper), // input[4:0] // macroblock horizontal period (8/16) // 3 LSB not used (set them 0)
.tile_width (tile_width), // input[1:0] // memory tile width. Can be 32/64/128: 0 - 16, 1 - 32, 2 - 64, 3 - 128
.mb_pre_end_in (mb_pre_end), // input
.mb_release_buf (mb_release_buf), // input
.mb_pre_start_out (mb_pre_start), // output
.start_page (start_page), // output[1:0]
.macroblock_x (macroblock_x) // output[6:0]
);
cmprs_pixel_buf_iface #(
.CMPRS_PREEND_EARLY (6), // TODO:Check / Adjust
.CMPRS_RELEASE_EARLY (16),
.CMPRS_BUF_EXTRA_LATENCY (0),
.CMPRS_COLOR18 (CMPRS_COLOR18),
.CMPRS_COLOR20 (CMPRS_COLOR20),
.CMPRS_MONO16 (CMPRS_MONO16),
.CMPRS_JP4 (CMPRS_JP4),
.CMPRS_JP4DIFF (CMPRS_JP4DIFF),
.CMPRS_MONO8 (CMPRS_MONO8)
) cmprs_pixel_buf_iface_i (
.xclk (xclk), // input
.frame_en (frame_en), // input
.buf_di (buf_di), // input[7:0]
.buf_ra (buf_ra), // output[11:0]
.buf_rd (buf_rd), // output[1:0]
.converter_type (converter_type), // input[2:0]
.mb_w_m1 (mb_w_m1), // input[5:0]
.mb_h_m1 (mb_h_m1), // input[5:0]
.tile_width (tile_width), // input[1:0]
.tile_col_width (tile_col_width), // input
.mb_pre_end (mb_pre_end), // output
.mb_release_buf (mb_release_buf), // output
.mb_pre_start (mb_pre_start), // input
.start_page (start_page), // input[1:0]
.macroblock_x (macroblock_x), // input[6:0]
.data_out (mb_data_out), // output[7:0] // Macroblock data out in scanline order
.pre_first_out (mb_pre_first_out), // output // Macroblock data out strobe - 1 cycle just before data valid
.data_valid (mb_data_valid) // output // Macroblock data out valid
);
/*
*/
endmodule
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