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axi_hdmi_tx: es split

main
Rejeesh Kutty 2015-04-01 15:08:24 -04:00
parent 3bca324c33
commit c2e626d0b6
3 changed files with 129 additions and 50 deletions
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59
library/axi_hdmi_tx/axi_hdmi_tx_core.v
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@ -218,17 +218,6 @@ module axi_hdmi_tx_core (
reg hdmi_es_hs_de = 'd0;
reg hdmi_es_vs_de = 'd0;
reg [15:0] hdmi_es_data = 'd0;
reg hdmi_es_hs_de_d = 'd0;
reg [15:0] hdmi_es_data_d = 'd0;
reg hdmi_es_hs_de_2d = 'd0;
reg [15:0] hdmi_es_data_2d = 'd0;
reg hdmi_es_hs_de_3d = 'd0;
reg [15:0] hdmi_es_data_3d = 'd0;
reg hdmi_es_hs_de_4d = 'd0;
reg [15:0] hdmi_es_data_4d = 'd0;
reg hdmi_es_hs_de_5d = 'd0;
reg [15:0] hdmi_es_data_5d = 'd0;
reg [15:0] hdmi_es_data_6d = 'd0;
// internal wires
@ -258,8 +247,6 @@ module axi_hdmi_tx_core (
wire hdmi_es_vs_de_s;
wire hdmi_es_de_s;
wire [15:0] hdmi_es_data_s;
wire [15:0] hdmi_es_sav_s;
wire [15:0] hdmi_es_eav_s;
// binary to grey conversion
@ -526,43 +513,6 @@ module axi_hdmi_tx_core (
end
end
// hdmi embedded sync insertion
assign hdmi_es_sav_s = (hdmi_es_vs_de == 1) ? 16'h8080 : 16'habab;
assign hdmi_es_eav_s = (hdmi_es_vs_de == 1) ? 16'h9d9d : 16'hb6b6;
always @(posedge hdmi_clk) begin
hdmi_es_hs_de_d <= hdmi_es_hs_de;
case ({hdmi_es_hs_de_4d, hdmi_es_hs_de_3d, hdmi_es_hs_de_2d,
hdmi_es_hs_de_d, hdmi_es_hs_de})
5'b10000: hdmi_es_data_d <= hdmi_es_eav_s;
5'b11000: hdmi_es_data_d <= 16'h0000;
5'b11100: hdmi_es_data_d <= 16'h0000;
5'b11110: hdmi_es_data_d <= 16'hffff;
default: hdmi_es_data_d <= hdmi_es_data;
endcase
hdmi_es_hs_de_2d <= hdmi_es_hs_de_d;
hdmi_es_data_2d <= hdmi_es_data_d;
hdmi_es_hs_de_3d <= hdmi_es_hs_de_2d;
hdmi_es_data_3d <= hdmi_es_data_2d;
hdmi_es_hs_de_4d <= hdmi_es_hs_de_3d;
hdmi_es_data_4d <= hdmi_es_data_3d;
hdmi_es_hs_de_5d <= hdmi_es_hs_de_4d;
hdmi_es_data_5d <= hdmi_es_data_4d;
case ({hdmi_es_hs_de_5d, hdmi_es_hs_de_4d, hdmi_es_hs_de_3d,
hdmi_es_hs_de_2d, hdmi_es_hs_de_d})
5'b01111: hdmi_es_data_6d <= hdmi_es_sav_s;
5'b00111: hdmi_es_data_6d <= 16'h0000;
5'b00011: hdmi_es_data_6d <= 16'h0000;
5'b00001: hdmi_es_data_6d <= 16'hffff;
default: hdmi_es_data_6d <= hdmi_es_data_5d;
endcase
end
// es outputs
assign hdmi_16_es_data = hdmi_es_data_6d;
// data memory
ad_mem #(.DATA_WIDTH(48), .ADDR_WIDTH(9)) i_mem (
@ -609,6 +559,15 @@ module axi_hdmi_tx_core (
hdmi_ss_data_e_s}),
.s422_data (hdmi_ss_data_s));
// embedded sync
axi_hdmi_tx_es #(.DATA_WIDTH(16)) i_es (
.hdmi_clk (hdmi_clk),
.hdmi_hs_de (hdmi_es_hs_de),
.hdmi_vs_de (hdmi_es_vs_de),
.hdmi_data_de (hdmi_es_data),
.hdmi_data (hdmi_16_es_data));
endmodule
// ***************************************************************************

119
library/axi_hdmi_tx/axi_hdmi_tx_es.v Normal file
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@ -0,0 +1,119 @@
// ***************************************************************************
// ***************************************************************************
// Copyright 2011(c) Analog Devices, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// - Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// - Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in
// the documentation and/or other materials provided with the
// distribution.
// - Neither the name of Analog Devices, Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
// - The use of this software may or may not infringe the patent rights
// of one or more patent holders. This license does not release you
// from the requirement that you obtain separate licenses from these
// patent holders to use this software.
// - Use of the software either in source or binary form, must be run
// on or directly connected to an Analog Devices Inc. component.
//
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED.
//
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// Transmit HDMI, video dma data in, hdmi separate syncs data out.
module axi_hdmi_tx_es (
// hdmi interface
hdmi_clk,
hdmi_hs_de,
hdmi_vs_de,
hdmi_data_de,
hdmi_data);
// parameters
parameter DATA_WIDTH = 32;
localparam BYTE_WIDTH = DATA_WIDTH/8;
// hdmi interface
input hdmi_clk;
input hdmi_hs_de = 'd0;
input hdmi_vs_de = 'd0;
input [(DATA_WIDTH-1):0] hdmi_data_de = 'd0;
output [(DATA_WIDTH-1):0] hdmi_data = 'd0;
// internal registers
reg hdmi_hs_de_d = 'd0;
reg [(DATA_WIDTH-1):0] hdmi_data_d = 'd0;
reg hdmi_hs_de_2d = 'd0;
reg [(DATA_WIDTH-1):0] hdmi_data_2d = 'd0;
reg hdmi_hs_de_3d = 'd0;
reg [(DATA_WIDTH-1):0] hdmi_data_3d = 'd0;
reg hdmi_hs_de_4d = 'd0;
reg [(DATA_WIDTH-1):0] hdmi_data_4d = 'd0;
reg hdmi_hs_de_5d = 'd0;
reg [(DATA_WIDTH-1):0] hdmi_data_5d = 'd0;
reg [(DATA_WIDTH-1):0] hdmi_data = 'd0;
// internal wires
wire [(DATA_WIDTH-1):0] hdmi_sav_s;
wire [(DATA_WIDTH-1):0] hdmi_eav_s;
// hdmi embedded sync insertion
assign hdmi_sav_s = (hdmi_vs_de == 1) ? {BYTE_WIDTH{8'h80}} : {BYTE_WIDTH{8'hab}};
assign hdmi_eav_s = (hdmi_vs_de == 1) ? {BYTE_WIDTH{8'h9d}} : {BYTE_WIDTH{8'hb6}};
always @(posedge hdmi_clk) begin
hdmi_hs_de_d <= hdmi_hs_de;
case ({hdmi_hs_de_4d, hdmi_hs_de_3d, hdmi_hs_de_2d,
hdmi_hs_de_d, hdmi_hs_de})
5'b11000: hdmi_data_d <= {BYTE_WIDTH{8'h00}};
5'b11100: hdmi_data_d <= {BYTE_WIDTH{8'h00}};
5'b11110: hdmi_data_d <= {BYTE_WIDTH{8'hff}};
5'b10000: hdmi_data_d <= hdmi_eav_s;
default: hdmi_data_d <= hdmi_data_de;
endcase
hdmi_hs_de_2d <= hdmi_hs_de_d;
hdmi_data_2d <= hdmi_data_d;
hdmi_hs_de_3d <= hdmi_hs_de_2d;
hdmi_data_3d <= hdmi_data_2d;
hdmi_hs_de_4d <= hdmi_hs_de_3d;
hdmi_data_4d <= hdmi_data_3d;
hdmi_hs_de_5d <= hdmi_hs_de_4d;
hdmi_data_5d <= hdmi_data_4d;
case ({hdmi_hs_de_5d, hdmi_hs_de_4d, hdmi_hs_de_3d,
hdmi_hs_de_2d, hdmi_hs_de_d})
5'b00111: hdmi_data <= {BYTE_WIDTH{8'h00}};
5'b00011: hdmi_data <= {BYTE_WIDTH{8'h00}};
5'b00001: hdmi_data <= {BYTE_WIDTH{8'hff}};
5'b01111: hdmi_data <= hdmi_sav_s;
default: hdmi_data <= hdmi_data_5d;
endcase
end
endmodule
// ***************************************************************************
// ***************************************************************************

1
library/axi_hdmi_tx/axi_hdmi_tx_ip.tcl
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@ -18,6 +18,7 @@ adi_ip_files axi_hdmi_tx [list \
"$ad_hdl_dir/library/common/up_clock_mon.v" \
"$ad_hdl_dir/library/common/up_hdmi_tx.v" \
"axi_hdmi_tx_vdma.v" \
"axi_hdmi_tx_es.v" \
"axi_hdmi_tx_core.v" \
"axi_hdmi_tx.v" \
"axi_hdmi_tx_constr.xdc" ]