pluto_hdl_adi/library/axi_ad9371/axi_ad9371_rx.v

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// ***************************************************************************
// ***************************************************************************
// Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved.
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//
// Each core or library found in this collection may have its own licensing terms.
// The user should keep this in in mind while exploring these cores.
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//
// Redistribution and use in source and binary forms,
// with or without modification of this file, are permitted under the terms of either
// (at the option of the user):
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//
// 1. The GNU General Public License version 2 as published by the
// Free Software Foundation, which can be found in the top level directory, or at:
// https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
//
// OR
//
// 2. An ADI specific BSD license as noted in the top level directory, or on-line at:
// https://github.com/analogdevicesinc/hdl/blob/dev/LICENSE
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//
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/100ps
module axi_ad9371_rx #(
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parameter DATAPATH_DISABLE = 0,
parameter ID = 0) (
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// adc interface
output adc_rst,
input adc_clk,
input [ 63:0] adc_data,
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// dma interface
output adc_enable_i0,
output adc_valid_i0,
output [ 15:0] adc_data_i0,
output adc_enable_q0,
output adc_valid_q0,
output [ 15:0] adc_data_q0,
output adc_enable_i1,
output adc_valid_i1,
output [ 15:0] adc_data_i1,
output adc_enable_q1,
output adc_valid_q1,
output [ 15:0] adc_data_q1,
input adc_dovf,
input adc_dunf,
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// processor interface
input up_rstn,
input up_clk,
input up_wreq,
input [ 13:0] up_waddr,
input [ 31:0] up_wdata,
output reg up_wack,
input up_rreq,
input [ 13:0] up_raddr,
output reg [ 31:0] up_rdata,
output reg up_rack);
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// internal registers
reg up_status_pn_err = 'd0;
reg up_status_pn_oos = 'd0;
reg up_status_or = 'd0;
// internal signals
wire [ 15:0] adc_data_iq_i0_s;
wire [ 15:0] adc_data_iq_q0_s;
wire [ 15:0] adc_data_iq_i1_s;
wire [ 15:0] adc_data_iq_q1_s;
wire [ 3:0] up_adc_pn_err_s;
wire [ 3:0] up_adc_pn_oos_s;
wire [ 3:0] up_adc_or_s;
wire [ 4:0] up_wack_s;
wire [ 4:0] up_rack_s;
wire [ 31:0] up_rdata_s[0:4];
// processor read interface
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
up_status_pn_err <= 'd0;
up_status_pn_oos <= 'd0;
up_status_or <= 'd0;
up_wack <= 'd0;
up_rack <= 'd0;
up_rdata <= 'd0;
end else begin
up_status_pn_err <= | up_adc_pn_err_s;
up_status_pn_oos <= | up_adc_pn_oos_s;
up_status_or <= | up_adc_or_s;
up_wack <= | up_wack_s;
up_rack <= | up_rack_s;
up_rdata <= up_rdata_s[0] | up_rdata_s[1] | up_rdata_s[2] | up_rdata_s[3] | up_rdata_s[4];
end
end
// channel width is 32 bits
assign adc_valid_i0 = 1'b1;
assign adc_valid_q0 = 1'b1;
assign adc_valid_i1 = 1'b1;
assign adc_valid_q1 = 1'b1;
// channel 0 (i)
axi_ad9371_rx_channel #(
.Q_OR_I_N (0),
.COMMON_ID ('h01),
.CHANNEL_ID (0),
.DATAPATH_DISABLE (DATAPATH_DISABLE),
.DATA_WIDTH (16))
i_rx_channel_0 (
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_valid_in (1'b1),
.adc_data_in (adc_data[15:0]),
.adc_valid_out (),
.adc_data_out (adc_data_i0),
.adc_data_iq_in (adc_data_iq_q0_s),
.adc_data_iq_out (adc_data_iq_i0_s),
.adc_enable (adc_enable_i0),
.up_adc_pn_err (up_adc_pn_err_s[0]),
.up_adc_pn_oos (up_adc_pn_oos_s[0]),
.up_adc_or (up_adc_or_s[0]),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq),
.up_waddr (up_waddr),
.up_wdata (up_wdata),
.up_wack (up_wack_s[0]),
.up_rreq (up_rreq),
.up_raddr (up_raddr),
.up_rdata (up_rdata_s[0]),
.up_rack (up_rack_s[0]));
// channel 1 (q)
axi_ad9371_rx_channel #(
.Q_OR_I_N (1),
.COMMON_ID ('h01),
.CHANNEL_ID (1),
.DATAPATH_DISABLE (DATAPATH_DISABLE),
.DATA_WIDTH (16))
i_rx_channel_1 (
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_valid_in (1'b1),
.adc_data_in (adc_data[31:16]),
.adc_valid_out (),
.adc_data_out (adc_data_q0),
.adc_data_iq_in (adc_data_iq_i0_s),
.adc_data_iq_out (adc_data_iq_q0_s),
.adc_enable (adc_enable_q0),
.up_adc_pn_err (up_adc_pn_err_s[1]),
.up_adc_pn_oos (up_adc_pn_oos_s[1]),
.up_adc_or (up_adc_or_s[1]),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq),
.up_waddr (up_waddr),
.up_wdata (up_wdata),
.up_wack (up_wack_s[1]),
.up_rreq (up_rreq),
.up_raddr (up_raddr),
.up_rdata (up_rdata_s[1]),
.up_rack (up_rack_s[1]));
// channel 2 (i)
axi_ad9371_rx_channel #(
.Q_OR_I_N (0),
.COMMON_ID ('h01),
.CHANNEL_ID (2),
.DATAPATH_DISABLE (DATAPATH_DISABLE),
.DATA_WIDTH (16))
i_rx_channel_2 (
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_valid_in (1'b1),
.adc_data_in (adc_data[47:32]),
.adc_valid_out (),
.adc_data_out (adc_data_i1),
.adc_data_iq_in (adc_data_iq_q1_s),
.adc_data_iq_out (adc_data_iq_i1_s),
.adc_enable (adc_enable_i1),
.up_adc_pn_err (up_adc_pn_err_s[2]),
.up_adc_pn_oos (up_adc_pn_oos_s[2]),
.up_adc_or (up_adc_or_s[2]),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq),
.up_waddr (up_waddr),
.up_wdata (up_wdata),
.up_wack (up_wack_s[2]),
.up_rreq (up_rreq),
.up_raddr (up_raddr),
.up_rdata (up_rdata_s[2]),
.up_rack (up_rack_s[2]));
// channel 3 (q)
axi_ad9371_rx_channel #(
.Q_OR_I_N (1),
.COMMON_ID ('h01),
.CHANNEL_ID (3),
.DATAPATH_DISABLE (DATAPATH_DISABLE),
.DATA_WIDTH (16))
i_rx_channel_3 (
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_valid_in (1'b1),
.adc_data_in (adc_data[63:48]),
.adc_valid_out (),
.adc_data_out (adc_data_q1),
.adc_data_iq_in (adc_data_iq_i1_s),
.adc_data_iq_out (adc_data_iq_q1_s),
.adc_enable (adc_enable_q1),
.up_adc_pn_err (up_adc_pn_err_s[3]),
.up_adc_pn_oos (up_adc_pn_oos_s[3]),
.up_adc_or (up_adc_or_s[3]),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq),
.up_waddr (up_waddr),
.up_wdata (up_wdata),
.up_wack (up_wack_s[3]),
.up_rreq (up_rreq),
.up_raddr (up_raddr),
.up_rdata (up_rdata_s[3]),
.up_rack (up_rack_s[3]));
// common processor control
up_adc_common #(
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.COMMON_ID ('h00),
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.ID (ID))
i_up_adc_common (
.mmcm_rst (),
.adc_clk (adc_clk),
.adc_rst (adc_rst),
.adc_r1_mode (),
.adc_ddr_edgesel (),
.adc_pin_mode (),
.adc_status (1'b1),
.adc_sync_status (1'd0),
.adc_status_ovf (adc_dovf),
.adc_status_unf (adc_dunf),
.adc_clk_ratio (32'd1),
.adc_start_code (),
.adc_sref_sync (),
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.adc_sync (),
.up_adc_ce (),
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.up_status_pn_err (up_status_pn_err),
.up_status_pn_oos (up_status_pn_oos),
.up_status_or (up_status_or),
.up_drp_sel (),
.up_drp_wr (),
.up_drp_addr (),
.up_drp_wdata (),
.up_drp_rdata (32'd0),
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.up_drp_ready (1'd0),
.up_drp_locked (1'd1),
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.up_usr_chanmax_out (),
.up_usr_chanmax_in (8'd3),
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.up_adc_gpio_in (32'd0),
.up_adc_gpio_out (),
.up_rstn (up_rstn),
.up_clk (up_clk),
.up_wreq (up_wreq),
.up_waddr (up_waddr),
.up_wdata (up_wdata),
.up_wack (up_wack_s[4]),
.up_rreq (up_rreq),
.up_raddr (up_raddr),
.up_rdata (up_rdata_s[4]),
.up_rack (up_rack_s[4]));
endmodule
// ***************************************************************************
// ***************************************************************************