pluto_hdl_adi/library/common/up_hdmi_tx.v

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// ***************************************************************************
// ***************************************************************************
// 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.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/100ps
module up_hdmi_tx (
// hdmi interface
hdmi_clk,
hdmi_rst,
hdmi_full_range,
hdmi_csc_bypass,
hdmi_ss_bypass,
hdmi_srcsel,
hdmi_const_rgb,
hdmi_hl_active,
hdmi_hl_width,
hdmi_hs_width,
hdmi_he_max,
hdmi_he_min,
hdmi_vf_active,
hdmi_vf_width,
hdmi_vs_width,
hdmi_ve_max,
hdmi_ve_min,
hdmi_status,
hdmi_tpm_oos,
hdmi_clk_ratio,
// vdma interface
vdma_clk,
vdma_rst,
vdma_ovf,
vdma_unf,
vdma_tpm_oos,
// bus interface
up_rstn,
up_clk,
up_wreq,
up_waddr,
up_wdata,
up_wack,
up_rreq,
up_raddr,
up_rdata,
up_rack);
// parameters
localparam PCORE_VERSION = 32'h00040063;
parameter PCORE_ID = 0;
// hdmi interface
input hdmi_clk;
output hdmi_rst;
output hdmi_full_range;
output hdmi_csc_bypass;
output hdmi_ss_bypass;
output [ 1:0] hdmi_srcsel;
output [23:0] hdmi_const_rgb;
output [15:0] hdmi_hl_active;
output [15:0] hdmi_hl_width;
output [15:0] hdmi_hs_width;
output [15:0] hdmi_he_max;
output [15:0] hdmi_he_min;
output [15:0] hdmi_vf_active;
output [15:0] hdmi_vf_width;
output [15:0] hdmi_vs_width;
output [15:0] hdmi_ve_max;
output [15:0] hdmi_ve_min;
input hdmi_status;
input hdmi_tpm_oos;
input [31:0] hdmi_clk_ratio;
// vdma interface
input vdma_clk;
output vdma_rst;
input vdma_ovf;
input vdma_unf;
input vdma_tpm_oos;
// bus interface
input up_rstn;
input up_clk;
input up_wreq;
input [13:0] up_waddr;
input [31:0] up_wdata;
output up_wack;
input up_rreq;
input [13:0] up_raddr;
output [31:0] up_rdata;
output up_rack;
// internal registers
reg up_wack = 'd0;
reg [31:0] up_scratch = 'd0;
reg up_resetn = 'd0;
reg up_full_range = 'd0;
reg up_csc_bypass = 'd0;
reg up_ss_bypass = 'd0;
reg [ 1:0] up_srcsel = 'd1;
reg [23:0] up_const_rgb = 'd0;
reg up_vdma_ovf = 'd0;
reg up_vdma_unf = 'd0;
reg up_hdmi_tpm_oos = 'd0;
reg up_vdma_tpm_oos = 'd0;
reg [15:0] up_hl_active = 'd0;
reg [15:0] up_hl_width = 'd0;
reg [15:0] up_hs_width = 'd0;
reg [15:0] up_he_max = 'd0;
reg [15:0] up_he_min = 'd0;
reg [15:0] up_vf_active = 'd0;
reg [15:0] up_vf_width = 'd0;
reg [15:0] up_vs_width = 'd0;
reg [15:0] up_ve_max = 'd0;
reg [15:0] up_ve_min = 'd0;
reg up_rack = 'd0;
reg [31:0] up_rdata = 'd0;
// internal signals
wire up_wreq_s;
wire up_rreq_s;
wire up_preset_s;
wire up_hdmi_status_s;
wire up_hdmi_tpm_oos_s;
wire [31:0] up_hdmi_clk_count_s;
wire up_vdma_ovf_s;
wire up_vdma_unf_s;
wire up_vdma_tpm_oos_s;
// decode block select
assign up_wreq_s = (up_waddr[13:12] == 2'd0) ? up_wreq : 1'b0;
assign up_rreq_s = (up_raddr[13:12] == 2'd0) ? up_rreq : 1'b0;
assign up_preset_s = ~up_resetn;
// processor write interface
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
up_wack <= 'd0;
up_scratch <= 'd0;
up_resetn <= 'd0;
up_full_range <= 'd0;
up_csc_bypass <= 'd0;
up_ss_bypass <= 'd0;
up_srcsel <= 'd1;
up_const_rgb <= 'd0;
up_vdma_ovf <= 'd0;
up_vdma_unf <= 'd0;
up_hdmi_tpm_oos <= 'd0;
up_vdma_tpm_oos <= 'd0;
up_hl_active <= 'd0;
up_hl_width <= 'd0;
up_hs_width <= 'd0;
up_he_max <= 'd0;
up_he_min <= 'd0;
up_vf_active <= 'd0;
up_vf_width <= 'd0;
up_vs_width <= 'd0;
up_ve_max <= 'd0;
up_ve_min <= 'd0;
end else begin
up_wack <= up_wreq_s;
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h002)) begin
up_scratch <= up_wdata;
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h010)) begin
up_resetn <= up_wdata[0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h011)) begin
up_ss_bypass <= up_wdata[2];
up_full_range <= up_wdata[1];
up_csc_bypass <= up_wdata[0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h012)) begin
up_srcsel <= up_wdata[1:0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h013)) begin
up_const_rgb <= up_wdata[23:0];
end
if (up_vdma_ovf_s == 1'b1) begin
up_vdma_ovf <= 1'b1;
end else if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h018)) begin
up_vdma_ovf <= up_vdma_ovf & ~up_wdata[1];
end
if (up_vdma_unf_s == 1'b1) begin
up_vdma_unf <= 1'b1;
end else if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h018)) begin
up_vdma_unf <= up_vdma_unf & ~up_wdata[0];
end
if (up_hdmi_tpm_oos_s == 1'b1) begin
up_hdmi_tpm_oos <= 1'b1;
end else if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h019)) begin
up_hdmi_tpm_oos <= up_hdmi_tpm_oos & ~up_wdata[1];
end
if (up_vdma_tpm_oos_s == 1'b1) begin
up_vdma_tpm_oos <= 1'b1;
end else if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h019)) begin
up_vdma_tpm_oos <= up_vdma_tpm_oos & ~up_wdata[0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h100)) begin
up_hl_active <= up_wdata[31:16];
up_hl_width <= up_wdata[15:0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h101)) begin
up_hs_width <= up_wdata[15:0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h102)) begin
up_he_max <= up_wdata[31:16];
up_he_min <= up_wdata[15:0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h110)) begin
up_vf_active <= up_wdata[31:16];
up_vf_width <= up_wdata[15:0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h111)) begin
up_vs_width <= up_wdata[15:0];
end
if ((up_wreq_s == 1'b1) && (up_waddr[11:0] == 12'h112)) begin
up_ve_max <= up_wdata[31:16];
up_ve_min <= up_wdata[15:0];
end
end
end
// processor read interface
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
up_rack <= 'd0;
up_rdata <= 'd0;
end else begin
up_rack <= up_rreq_s;
if (up_rreq_s == 1'b1) begin
case (up_raddr[11:0])
12'h000: up_rdata <= PCORE_VERSION;
12'h001: up_rdata <= PCORE_ID;
12'h002: up_rdata <= up_scratch;
12'h010: up_rdata <= {31'd0, up_resetn};
12'h011: up_rdata <= {29'd0, up_ss_bypass, up_full_range, up_csc_bypass};
12'h012: up_rdata <= {30'd0, up_srcsel};
12'h013: up_rdata <= {8'd0, up_const_rgb};
12'h015: up_rdata <= up_hdmi_clk_count_s;
12'h016: up_rdata <= hdmi_clk_ratio;
12'h017: up_rdata <= {31'd0, up_hdmi_status_s};
12'h018: up_rdata <= {30'd0, up_vdma_ovf, up_vdma_unf};
12'h019: up_rdata <= {30'd0, up_hdmi_tpm_oos, up_vdma_tpm_oos};
12'h100: up_rdata <= {up_hl_active, up_hl_width};
12'h101: up_rdata <= {16'd0, up_hs_width};
12'h102: up_rdata <= {up_he_max, up_he_min};
12'h110: up_rdata <= {up_vf_active, up_vf_width};
12'h111: up_rdata <= {16'd0, up_vs_width};
12'h112: up_rdata <= {up_ve_max, up_ve_min};
default: up_rdata <= 0;
endcase
end else begin
up_rdata <= 32'd0;
end
end
end
// resets
ad_rst i_hdmi_rst_reg (.preset(up_preset_s), .clk(hdmi_clk), .rst(hdmi_rst));
ad_rst i_vdma_rst_reg (.preset(up_preset_s), .clk(vdma_clk), .rst(vdma_rst));
// hdmi control & status
up_xfer_cntrl #(.DATA_WIDTH(189)) i_hdmi_xfer_cntrl (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_data_cntrl ({ up_ss_bypass,
up_full_range,
up_csc_bypass,
up_srcsel,
up_const_rgb,
up_hl_active,
up_hl_width,
up_hs_width,
up_he_max,
up_he_min,
up_vf_active,
up_vf_width,
up_vs_width,
up_ve_max,
up_ve_min}),
.up_xfer_done (),
.d_rst (hdmi_rst),
.d_clk (hdmi_clk),
.d_data_cntrl ({ hdmi_ss_bypass,
hdmi_full_range,
hdmi_csc_bypass,
hdmi_srcsel,
hdmi_const_rgb,
hdmi_hl_active,
hdmi_hl_width,
hdmi_hs_width,
hdmi_he_max,
hdmi_he_min,
hdmi_vf_active,
hdmi_vf_width,
hdmi_vs_width,
hdmi_ve_max,
hdmi_ve_min}));
up_xfer_status #(.DATA_WIDTH(2)) i_hdmi_xfer_status (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_data_status ({up_hdmi_status_s,
up_hdmi_tpm_oos_s}),
.d_rst (hdmi_rst),
.d_clk (hdmi_clk),
.d_data_status ({ hdmi_status,
hdmi_tpm_oos}));
// hdmi clock monitor
up_clock_mon i_hdmi_clock_mon (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_d_count (up_hdmi_clk_count_s),
.d_rst (hdmi_rst),
.d_clk (hdmi_clk));
// vdma control & status
up_xfer_status #(.DATA_WIDTH(3)) i_vdma_xfer_status (
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_data_status ({up_vdma_ovf_s,
up_vdma_unf_s,
up_vdma_tpm_oos_s}),
.d_rst (hdmi_rst),
.d_clk (hdmi_clk),
.d_data_status ({ vdma_ovf,
vdma_unf,
vdma_tpm_oos}));
endmodule
// ***************************************************************************
// ***************************************************************************