// *************************************************************************** // *************************************************************************** // Copyright 2014 - 2017 (c) 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 responsabilities 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 #( // parameters parameter ID = 0, parameter MODE_1R1T = 0, parameter CLK_EDGE_SEL = 0, parameter CMOS_OR_LVDS_N = 0, parameter PPS_RECEIVER_ENABLE = 0, parameter INIT_DELAY = 0, parameter DDS_DISABLE = 0, parameter USERPORTS_DISABLE = 0, parameter DELAYCNTRL_DISABLE = 0, parameter IQCORRECTION_DISABLE = 0) ( // dac interface input dac_clk, output dac_valid, output [47:0] dac_data, output dac_clksel, output dac_r1_mode, input [47:0] adc_data, // delay interface output [15:0] up_dld, output [79:0] up_dwdata, input [79:0] up_drdata, input delay_clk, output delay_rst, input delay_locked, // master/slave input dac_sync_in, output dac_sync_out, // dma interface output dac_enable_i0, output dac_valid_i0, input [15:0] dac_data_i0, output dac_enable_q0, output dac_valid_q0, input [15:0] dac_data_q0, output dac_enable_i1, output dac_valid_i1, input [15:0] dac_data_i1, output dac_enable_q1, output dac_valid_q1, input [15:0] dac_data_q1, input dac_dovf, input dac_dunf, // gpio input [31:0] up_dac_gpio_in, output [31:0] up_dac_gpio_out, // 1PPS reporting counter and interrupt input [31:0] up_pps_rcounter, input up_pps_status, output up_pps_irq_mask, // processor 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); // configuration settings localparam CONFIG = (PPS_RECEIVER_ENABLE * 256) + (CMOS_OR_LVDS_N * 128) + (DDS_DISABLE * 64) + (DELAYCNTRL_DISABLE * 32) + (MODE_1R1T * 16) + (USERPORTS_DISABLE * 8) + (IQCORRECTION_DISABLE * 1); // internal registers reg dac_data_sync = 'd0; reg [15:0] dac_rate_cnt = 'd0; reg dac_valid_int = 'd0; reg dac_valid_i0_int = 'd0; reg dac_valid_q0_int = 'd0; reg dac_valid_i1_int = 'd0; reg dac_valid_q1_int = 'd0; reg up_wack_int = 'd0; reg up_rack_int = 'd0; reg [31:0] up_rdata_int = 'd0; // internal clock and resets wire dac_rst; // internal signals wire dac_data_sync_s; wire dac_dds_format_s; wire [15:0] dac_datarate_s; wire [47:0] dac_data_int_s; wire [ 5:0] up_wack_s; wire [ 5:0] up_rack_s; wire [31:0] up_rdata_s[0:5]; // master/slave assign dac_data_sync_s = (ID == 0) ? dac_sync_out : dac_sync_in; always @(posedge dac_clk) begin dac_data_sync <= dac_data_sync_s; end // rate counters and data sync signals always @(posedge dac_clk) begin if (dac_rst == 1'b1) begin dac_rate_cnt <= 16'b0; end else begin if ((dac_data_sync == 1'b1) || (dac_rate_cnt == 16'd0)) begin dac_rate_cnt <= dac_datarate_s; end else begin dac_rate_cnt <= dac_rate_cnt - 1'b1; end end end // dma interface assign dac_valid = dac_valid_int; assign dac_valid_i0 = dac_valid_i0_int; assign dac_valid_q0 = dac_valid_q0_int; assign dac_valid_i1 = dac_valid_i1_int; assign dac_valid_q1 = dac_valid_q1_int; always @(posedge dac_clk) begin dac_valid_int <= (dac_rate_cnt == 16'd0) ? 1'b1 : 1'b0; dac_valid_i0_int <= dac_valid_int; dac_valid_q0_int <= dac_valid_int; dac_valid_i1_int <= dac_valid_int & ~dac_r1_mode; dac_valid_q1_int <= dac_valid_int & ~dac_r1_mode; end // processor read interface assign up_wack = up_wack_int; assign up_rack = up_rack_int; assign up_rdata = up_rdata_int; always @(negedge up_rstn or posedge up_clk) begin if (up_rstn == 0) begin up_wack_int <= 'd0; up_rack_int <= 'd0; up_rdata_int <= 'd0; end else begin up_wack_int <= | up_wack_s; up_rack_int <= | up_rack_s; up_rdata_int <= up_rdata_s[0] | up_rdata_s[1] | up_rdata_s[2] | up_rdata_s[3] | up_rdata_s[4] | up_rdata_s[5]; end end // dac channel axi_ad9361_tx_channel #( .CHANNEL_ID (0), .Q_OR_I_N (0), .DISABLE (0), .DDS_DISABLE (DDS_DISABLE), .USERPORTS_DISABLE (USERPORTS_DISABLE), .IQCORRECTION_DISABLE (IQCORRECTION_DISABLE)) i_tx_channel_0 ( .dac_clk (dac_clk), .dac_rst (dac_rst), .dac_valid (dac_valid_int), .dma_data (dac_data_i0), .adc_data (adc_data[11:0]), .dac_data (dac_data[11:0]), .dac_data_out (dac_data_int_s[11:0]), .dac_data_in (dac_data_int_s[23:12]), .dac_enable (dac_enable_i0), .dac_data_sync (dac_data_sync), .dac_dds_format (dac_dds_format_s), .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])); // dac channel axi_ad9361_tx_channel #( .CHANNEL_ID (1), .Q_OR_I_N (1), .DISABLE (0), .DDS_DISABLE (DDS_DISABLE), .USERPORTS_DISABLE (USERPORTS_DISABLE), .IQCORRECTION_DISABLE (IQCORRECTION_DISABLE)) i_tx_channel_1 ( .dac_clk (dac_clk), .dac_rst (dac_rst), .dac_valid (dac_valid_int), .dma_data (dac_data_q0), .adc_data (adc_data[23:12]), .dac_data (dac_data[23:12]), .dac_data_out (dac_data_int_s[23:12]), .dac_data_in (dac_data_int_s[11:0]), .dac_enable (dac_enable_q0), .dac_data_sync (dac_data_sync), .dac_dds_format (dac_dds_format_s), .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])); // dac channel axi_ad9361_tx_channel #( .CHANNEL_ID (2), .Q_OR_I_N (0), .DISABLE (MODE_1R1T), .DDS_DISABLE (DDS_DISABLE), .USERPORTS_DISABLE (USERPORTS_DISABLE), .IQCORRECTION_DISABLE (IQCORRECTION_DISABLE)) i_tx_channel_2 ( .dac_clk (dac_clk), .dac_rst (dac_rst), .dac_valid (dac_valid_int), .dma_data (dac_data_i1), .adc_data (adc_data[35:24]), .dac_data (dac_data[35:24]), .dac_data_out (dac_data_int_s[35:24]), .dac_data_in (dac_data_int_s[47:36]), .dac_enable (dac_enable_i1), .dac_data_sync (dac_data_sync), .dac_dds_format (dac_dds_format_s), .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])); // dac channel axi_ad9361_tx_channel #( .CHANNEL_ID (3), .Q_OR_I_N (1), .DISABLE (MODE_1R1T), .DDS_DISABLE (DDS_DISABLE), .USERPORTS_DISABLE (USERPORTS_DISABLE), .IQCORRECTION_DISABLE (IQCORRECTION_DISABLE)) i_tx_channel_3 ( .dac_clk (dac_clk), .dac_rst (dac_rst), .dac_valid (dac_valid_int), .dma_data (dac_data_q1), .adc_data (adc_data[47:36]), .dac_data (dac_data[47:36]), .dac_data_out (dac_data_int_s[47:36]), .dac_data_in (dac_data_int_s[35:24]), .dac_enable (dac_enable_q1), .dac_data_sync (dac_data_sync), .dac_dds_format (dac_dds_format_s), .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])); // dac common processor interface up_dac_common #( .ID (ID), .CONFIG (CONFIG), .CLK_EDGE_SEL (CLK_EDGE_SEL), .DRP_DISABLE (1), .USERPORTS_DISABLE (USERPORTS_DISABLE), .GPIO_DISABLE (0)) i_up_dac_common ( .mmcm_rst (), .dac_clk (dac_clk), .dac_rst (dac_rst), .dac_sync (dac_sync_out), .dac_frame (), .dac_clksel (dac_clksel), .dac_par_type (), .dac_par_enb (), .dac_r1_mode (dac_r1_mode), .dac_datafmt (dac_dds_format_s), .dac_datarate (dac_datarate_s), .dac_status (1'b1), .dac_status_ovf (dac_dovf), .dac_status_unf (dac_dunf), .dac_clk_ratio (32'd1), .up_dac_ce (), .up_pps_rcounter (up_pps_rcounter), .up_pps_status (up_pps_status), .up_pps_irq_mask (up_pps_irq_mask), .up_drp_sel (), .up_drp_wr (), .up_drp_addr (), .up_drp_wdata (), .up_drp_rdata (32'd0), .up_drp_ready (1'd0), .up_drp_locked (1'd1), .up_usr_chanmax (), .dac_usr_chanmax (8'd3), .up_dac_gpio_in (up_dac_gpio_in), .up_dac_gpio_out (up_dac_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])); // dac delay control up_delay_cntrl #( .DISABLE (DELAYCNTRL_DISABLE), .INIT_DELAY (INIT_DELAY), .DATA_WIDTH(16), .BASE_ADDRESS(6'h12)) i_delay_cntrl ( .delay_clk (delay_clk), .delay_rst (delay_rst), .delay_locked (delay_locked), .up_dld (up_dld), .up_dwdata (up_dwdata), .up_drdata (up_drdata), .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[5]), .up_rreq (up_rreq), .up_raddr (up_raddr), .up_rdata (up_rdata_s[5]), .up_rack (up_rack_s[5])); endmodule // *************************************************************************** // ***************************************************************************