// *************************************************************************** // *************************************************************************** // Copyright (C) 2014-2023 Analog Devices, Inc. All rights reserved. // // In this HDL repository, there are many different and unique modules, consisting // of various HDL (Verilog or VHDL) components. The individual modules are // developed independently, and may be accompanied by separate and unique license // terms. // // The user should read each of these license terms, and understand the // freedoms and responsibilities that he or she has by using this source/core. // // This core is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR // A PARTICULAR PURPOSE. // // Redistribution and use of source or resulting binaries, with or without modification // of this file, are permitted under one of the following two license terms: // // 1. The GNU General Public License version 2 as published by the // Free Software Foundation, which can be found in the top level directory // of this repository (LICENSE_GPL2), and also online at: // // // OR // // 2. An ADI specific BSD license, which can be found in the top level directory // of this repository (LICENSE_ADIBSD), and also on-line at: // https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD // This will allow to generate bit files and not release the source code, // as long as it attaches to an ADI device. // // *************************************************************************** // *************************************************************************** `timescale 1ns/100ps module axi_ad9361_tx_channel #( // parameters parameter Q_OR_I_N = 0, parameter CHANNEL_ID = 32'h0, parameter DISABLE = 0, parameter DAC_DDS_DISABLE = 0, parameter DAC_DDS_TYPE = 1, parameter DAC_DDS_CORDIC_DW = 14, parameter DAC_DDS_CORDIC_PHASE_DW = 13, parameter USERPORTS_DISABLE = 0, parameter IQCORRECTION_DISABLE = 0 ) ( // dac interface input dac_clk, input dac_rst, input dac_valid, input [15:0] dma_data, input [11:0] adc_data, output [11:0] dac_data, output [11:0] dac_data_out, input [11:0] dac_data_in, // processor interface output dac_enable, input dac_data_sync, input dac_dds_format, // 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 ); // parameters localparam PRBS_SEL = CHANNEL_ID; localparam PRBS_P09 = 0; localparam PRBS_P11 = 1; localparam PRBS_P15 = 2; localparam PRBS_P20 = 3; // internal registers reg dac_valid_sel = 'd0; reg dac_enable_int = 'd0; reg [11:0] dac_data_int = 'd0; reg [11:0] dac_data_out_int = 'd0; reg [23:0] dac_pn_seq = 'd0; reg [11:0] dac_pn_data = 'd0; reg [15:0] dac_pat_data = 'd0; // internal signals wire dac_iqcor_valid_s; wire [15:0] dac_iqcor_data_s; wire [11:0] dac_dds_data_s; wire [15:0] dac_dds_scale_1_s; wire [15:0] dac_dds_init_1_s; wire [15:0] dac_dds_incr_1_s; wire [15:0] dac_dds_scale_2_s; wire [15:0] dac_dds_init_2_s; wire [15:0] dac_dds_incr_2_s; wire [15:0] dac_pat_data_1_s; wire [15:0] dac_pat_data_2_s; wire [ 3:0] dac_data_sel_s; wire dac_iqcor_enb_s; wire [15:0] dac_iqcor_coeff_1_s; wire [15:0] dac_iqcor_coeff_2_s; wire up_wack_s; wire up_rack_s; wire [31:0] up_rdata_s; // standard prbs functions function [23:0] pn1fn; input [23:0] din; reg [23:0] dout; begin case (PRBS_SEL) PRBS_P09: begin dout[23] = din[ 8] ^ din[ 4]; dout[22] = din[ 7] ^ din[ 3]; dout[21] = din[ 6] ^ din[ 2]; dout[20] = din[ 5] ^ din[ 1]; dout[19] = din[ 4] ^ din[ 0]; dout[18] = din[ 3] ^ din[ 8] ^ din[ 4]; dout[17] = din[ 2] ^ din[ 7] ^ din[ 3]; dout[16] = din[ 1] ^ din[ 6] ^ din[ 2]; dout[15] = din[ 0] ^ din[ 5] ^ din[ 1]; dout[14] = din[ 8] ^ din[ 0]; dout[13] = din[ 7] ^ din[ 8] ^ din[ 4]; dout[12] = din[ 6] ^ din[ 7] ^ din[ 3]; dout[11] = din[ 5] ^ din[ 6] ^ din[ 2]; dout[10] = din[ 4] ^ din[ 5] ^ din[ 1]; dout[ 9] = din[ 3] ^ din[ 4] ^ din[ 0]; dout[ 8] = din[ 2] ^ din[ 3] ^ din[ 8] ^ din[ 4]; dout[ 7] = din[ 1] ^ din[ 2] ^ din[ 7] ^ din[ 3]; dout[ 6] = din[ 0] ^ din[ 1] ^ din[ 6] ^ din[ 2]; dout[ 5] = din[ 8] ^ din[ 0] ^ din[ 4] ^ din[ 5] ^ din[ 1]; dout[ 4] = din[ 7] ^ din[ 8] ^ din[ 3] ^ din[ 0]; dout[ 3] = din[ 6] ^ din[ 7] ^ din[ 2] ^ din[ 8] ^ din[ 4]; dout[ 2] = din[ 5] ^ din[ 6] ^ din[ 1] ^ din[ 7] ^ din[ 3]; dout[ 1] = din[ 4] ^ din[ 5] ^ din[ 0] ^ din[ 6] ^ din[ 2]; dout[ 0] = din[ 3] ^ din[ 8] ^ din[ 5] ^ din[ 1]; end PRBS_P11: begin dout[23] = din[10] ^ din[ 8]; dout[22] = din[ 9] ^ din[ 7]; dout[21] = din[ 8] ^ din[ 6]; dout[20] = din[ 7] ^ din[ 5]; dout[19] = din[ 6] ^ din[ 4]; dout[18] = din[ 5] ^ din[ 3]; dout[17] = din[ 4] ^ din[ 2]; dout[16] = din[ 3] ^ din[ 1]; dout[15] = din[ 2] ^ din[ 0]; dout[14] = din[ 1] ^ din[10] ^ din[ 8]; dout[13] = din[ 0] ^ din[ 9] ^ din[ 7]; dout[12] = din[10] ^ din[ 6]; dout[11] = din[ 9] ^ din[ 5]; dout[10] = din[ 8] ^ din[ 4]; dout[ 9] = din[ 7] ^ din[ 3]; dout[ 8] = din[ 6] ^ din[ 2]; dout[ 7] = din[ 5] ^ din[ 1]; dout[ 6] = din[ 4] ^ din[ 0]; dout[ 5] = din[ 3] ^ din[10] ^ din[ 8]; dout[ 4] = din[ 2] ^ din[ 9] ^ din[ 7]; dout[ 3] = din[ 1] ^ din[ 8] ^ din[ 6]; dout[ 2] = din[ 0] ^ din[ 7] ^ din[ 5]; dout[ 1] = din[10] ^ din[ 6] ^ din[ 8] ^ din[ 4]; dout[ 0] = din[ 9] ^ din[ 5] ^ din[ 7] ^ din[ 3]; end PRBS_P15: begin dout[23] = din[14] ^ din[13]; dout[22] = din[13] ^ din[12]; dout[21] = din[12] ^ din[11]; dout[20] = din[11] ^ din[10]; dout[19] = din[10] ^ din[ 9]; dout[18] = din[ 9] ^ din[ 8]; dout[17] = din[ 8] ^ din[ 7]; dout[16] = din[ 7] ^ din[ 6]; dout[15] = din[ 6] ^ din[ 5]; dout[14] = din[ 5] ^ din[ 4]; dout[13] = din[ 4] ^ din[ 3]; dout[12] = din[ 3] ^ din[ 2]; dout[11] = din[ 2] ^ din[ 1]; dout[10] = din[ 1] ^ din[ 0]; dout[ 9] = din[ 0] ^ din[14] ^ din[13]; dout[ 8] = din[14] ^ din[12]; dout[ 7] = din[13] ^ din[11]; dout[ 6] = din[12] ^ din[10]; dout[ 5] = din[11] ^ din[ 9]; dout[ 4] = din[10] ^ din[ 8]; dout[ 3] = din[ 9] ^ din[ 7]; dout[ 2] = din[ 8] ^ din[ 6]; dout[ 1] = din[ 7] ^ din[ 5]; dout[ 0] = din[ 6] ^ din[ 4]; end PRBS_P20: begin dout[23] = din[19] ^ din[ 2]; dout[22] = din[18] ^ din[ 1]; dout[21] = din[17] ^ din[ 0]; dout[20] = din[16] ^ din[19] ^ din[ 2]; dout[19] = din[15] ^ din[18] ^ din[ 1]; dout[18] = din[14] ^ din[17] ^ din[ 0]; dout[17] = din[13] ^ din[16] ^ din[19] ^ din[ 2]; dout[16] = din[12] ^ din[15] ^ din[18] ^ din[ 1]; dout[15] = din[11] ^ din[14] ^ din[17] ^ din[ 0]; dout[14] = din[10] ^ din[13] ^ din[16] ^ din[19] ^ din[ 2]; dout[13] = din[ 9] ^ din[12] ^ din[15] ^ din[18] ^ din[ 1]; dout[12] = din[ 8] ^ din[11] ^ din[14] ^ din[17] ^ din[ 0]; dout[11] = din[ 7] ^ din[10] ^ din[13] ^ din[16] ^ din[19] ^ din[ 2]; dout[10] = din[ 6] ^ din[ 9] ^ din[12] ^ din[15] ^ din[18] ^ din[ 1]; dout[ 9] = din[ 5] ^ din[ 8] ^ din[11] ^ din[14] ^ din[17] ^ din[ 0]; dout[ 8] = din[ 4] ^ din[ 7] ^ din[10] ^ din[13] ^ din[16] ^ din[19] ^ din[ 2]; dout[ 7] = din[ 3] ^ din[ 6] ^ din[ 9] ^ din[12] ^ din[15] ^ din[18] ^ din[ 1]; dout[ 6] = din[ 2] ^ din[ 5] ^ din[ 8] ^ din[11] ^ din[14] ^ din[17] ^ din[ 0]; dout[ 5] = din[ 1] ^ din[ 4] ^ din[ 7] ^ din[10] ^ din[13] ^ din[16] ^ din[19] ^ din[ 2]; dout[ 4] = din[ 0] ^ din[ 3] ^ din[ 6] ^ din[ 9] ^ din[12] ^ din[15] ^ din[18] ^ din[ 1]; dout[ 3] = din[19] ^ din[ 5] ^ din[ 8] ^ din[11] ^ din[14] ^ din[17] ^ din[ 0]; dout[ 2] = din[18] ^ din[ 4] ^ din[ 7] ^ din[10] ^ din[13] ^ din[16] ^ din[19] ^ din[ 2]; dout[ 1] = din[17] ^ din[ 3] ^ din[ 6] ^ din[ 9] ^ din[12] ^ din[15] ^ din[18] ^ din[ 1]; dout[ 0] = din[16] ^ din[ 2] ^ din[ 5] ^ din[ 8] ^ din[11] ^ din[14] ^ din[17] ^ din[ 0]; end endcase pn1fn = dout; end endfunction // global toggle always @(posedge dac_clk) begin if (dac_data_sync == 1'b1) begin dac_valid_sel <= 1'b0; end else if (dac_valid == 1'b1) begin dac_valid_sel <= ~dac_valid_sel; end end // dac iq correction assign dac_enable = (DISABLE == 1) ? 1'd0 : dac_enable_int; assign dac_data = (DISABLE == 1) ? 12'd0 : dac_data_int; always @(posedge dac_clk) begin dac_enable_int <= (dac_data_sel_s == 4'h2) ? 1'b1 : 1'b0; if (dac_iqcor_valid_s == 1'b1) begin dac_data_int <= dac_iqcor_data_s[15:4]; end end ad_iqcor #( .Q_OR_I_N (Q_OR_I_N), .DISABLE (IQCORRECTION_DISABLE) ) i_ad_iqcor ( .clk (dac_clk), .valid (dac_valid), .data_in ({dac_data_out_int, 4'd0}), .data_iq ({dac_data_in, 4'd0}), .valid_out (dac_iqcor_valid_s), .data_out (dac_iqcor_data_s), .iqcor_enable (dac_iqcor_enb_s), .iqcor_coeff_1 (dac_iqcor_coeff_1_s), .iqcor_coeff_2 (dac_iqcor_coeff_2_s)); // dac mux assign dac_data_out = (DISABLE == 1) ? 12'd0 : dac_data_out_int; always @(posedge dac_clk) begin case (dac_data_sel_s) 4'h9: dac_data_out_int <= dac_pn_data; 4'h8: dac_data_out_int <= adc_data; 4'h3: dac_data_out_int <= 12'd0; 4'h2: dac_data_out_int <= dma_data[15:4]; 4'h1: dac_data_out_int <= dac_pat_data[15:4]; default: dac_data_out_int <= dac_dds_data_s; endcase end // prbs sequences always @(posedge dac_clk) begin if (dac_data_sync == 1'b1) begin dac_pn_seq <= 24'hffffff; dac_pn_data <= 12'd0; end else if (dac_valid == 1'b1) begin if (dac_valid_sel == 1'b1) begin dac_pn_seq <= pn1fn(dac_pn_seq); dac_pn_data <= dac_pn_seq[11: 0]; end else begin dac_pn_seq <= dac_pn_seq; dac_pn_data <= dac_pn_seq[23:12]; end end end // pattern always @(posedge dac_clk) begin if (dac_valid == 1'b1) begin if (dac_valid_sel == 1'b0) begin dac_pat_data <= dac_pat_data_1_s; end else begin dac_pat_data <= dac_pat_data_2_s; end end end // dds ad_dds #( .DISABLE (DAC_DDS_DISABLE), .DDS_DW (12), .PHASE_DW (16), .DDS_TYPE (DAC_DDS_TYPE), .CORDIC_DW (DAC_DDS_CORDIC_DW), .CORDIC_PHASE_DW (DAC_DDS_CORDIC_PHASE_DW), .CLK_RATIO (1) ) i_dds ( .clk (dac_clk), .dac_dds_format (dac_dds_format), .dac_data_sync (dac_data_sync), .dac_valid (dac_valid), .tone_1_scale (dac_dds_scale_1_s), .tone_2_scale (dac_dds_scale_2_s), .tone_1_init_offset (dac_dds_init_1_s), .tone_2_init_offset (dac_dds_init_2_s), .tone_1_freq_word (dac_dds_incr_1_s), .tone_2_freq_word (dac_dds_incr_2_s), .dac_dds_data (dac_dds_data_s)); // single channel processor assign up_wack = (DISABLE == 1) ? 1'd0 : up_wack_s; assign up_rack = (DISABLE == 1) ? 1'd0 : up_rack_s; assign up_rdata = (DISABLE == 1) ? 32'd0 : up_rdata_s; up_dac_channel #( .COMMON_ID (6'h11), .CHANNEL_ID (CHANNEL_ID), .DDS_DISABLE (DAC_DDS_DISABLE), .USERPORTS_DISABLE (USERPORTS_DISABLE), .IQCORRECTION_DISABLE (IQCORRECTION_DISABLE) ) i_up_dac_channel ( .dac_clk (dac_clk), .dac_rst (dac_rst), .dac_dds_scale_1 (dac_dds_scale_1_s), .dac_dds_init_1 (dac_dds_init_1_s), .dac_dds_incr_1 (dac_dds_incr_1_s), .dac_dds_scale_2 (dac_dds_scale_2_s), .dac_dds_init_2 (dac_dds_init_2_s), .dac_dds_incr_2 (dac_dds_incr_2_s), .dac_pat_data_1 (dac_pat_data_1_s), .dac_pat_data_2 (dac_pat_data_2_s), .dac_data_sel (dac_data_sel_s), .dac_iq_mode (), .dac_iqcor_enb (dac_iqcor_enb_s), .dac_iqcor_coeff_1 (dac_iqcor_coeff_1_s), .dac_iqcor_coeff_2 (dac_iqcor_coeff_2_s), .up_usr_datatype_be (), .up_usr_datatype_signed (), .up_usr_datatype_shift (), .up_usr_datatype_total_bits (), .up_usr_datatype_bits (), .up_usr_interpolation_m (), .up_usr_interpolation_n (), .dac_usr_datatype_be (1'b0), .dac_usr_datatype_signed (1'b1), .dac_usr_datatype_shift (8'd0), .dac_usr_datatype_total_bits (8'd16), .dac_usr_datatype_bits (8'd16), .dac_usr_interpolation_m (16'd1), .dac_usr_interpolation_n (16'd1), .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), .up_rreq (up_rreq), .up_raddr (up_raddr), .up_rdata (up_rdata_s), .up_rack (up_rack_s)); endmodule