pluto_hdl_adi/library/axi_ad9361/axi_ad9361_tx_channel.v

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// ***************************************************************************
// ***************************************************************************
// 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:
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
//
// 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
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module axi_ad9361_tx_channel #(
// parameters
parameter Q_OR_I_N = 0,
parameter CHANNEL_ID = 32'h0,
parameter DISABLE = 0,
parameter DDS_DISABLE = 0,
parameter USERPORTS_DISABLE = 0,
parameter IQCORRECTION_DISABLE = 0) (
// dac interface
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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
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output dac_enable,
input dac_data_sync,
input dac_dds_format,
// bus interface
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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
hdl/library: Update the IP parameters The following IP parameters were renamed: PCORE_ID --> ID PCORE_DEVTYPE --> DEVICE_TYPE PCORE_IODELAY_GROUP --> IO_DELAY_GROUP CH_DW --> CHANNEL_DATA_WIDTH CH_CNT --> NUM_OF_CHANNELS PCORE_BUFTYPE --> DEVICE_TYPE PCORE_ADC_DP_DISABLE --> ADC_DATAPATH_DISABLE CHID --> CHANNEL_ID PCORE_DEVICE_TYPE --> DEVICE_TYPE PCORE_MMCM_BUFIO_N --> MMCM_BUFIO_N PCORE_SERDES_DDR_N --> SERDES_DDR_N PCORE_DAC_DP_DISABLE --> DAC_DATAPATH_DISABLE DP_DISABLE --> DATAPATH_DISABLE PCORE_DAC_IODELAY_ENABLE --> DAC_IODELAY_ENABLE C_BIG_ENDIAN --> BIG_ENDIAN C_M_DATA_WIDTH --> MASTER_DATA_WIDTH C_S_DATA_WIDTH --> SLAVE_DATA_WIDTH NUM_CHANNELS --> NUM_OF_CHANNELS CHANNELS --> NUM_OF_CHANNELS PCORE_4L_2L_N -->QUAD_OR_DUAL_N C_ADDRESS_WIDTH --> ADDRESS_WIDTH C_DATA_WIDTH --> DATA_WIDTH C_CLKS_ASYNC --> CLKS_ASYNC PCORE_QUAD_DUAL_N --> QUAD_DUAL_N NUM_CS --> NUM_OF_CS PCORE_DAC_CHANNEL_ID --> DAC_CHANNEL_ID PCORE_ADC_CHANNEL_ID --> ADC_CHANNEL_ID PCORE_CLK0_DIV --> CLK0_DIV PCORE_CLK1_DIV --> CLK1_DIV PCORE_CLKIN_PERIOD --> CLKIN_PERIOD PCORE_VCO_DIV --> VCO_DIV PCORE_Cr_Cb_N --> CR_CB_N PCORE_VCO_MUL --> VCO_MUL PCORE_EMBEDDED_SYNC --> EMBEDDED_SYNC PCORE_AXI_ID_WIDTH --> AXI_ID_WIDTH PCORE_ADDR_WIDTH --> ADDRESS_WIDTH DADATA_WIDTH --> DATA_WIDTH NUM_OF_NUM_OF_CHANNEL --> NUM_OF_CHANNELS DEBOUNCER_LEN --> DEBOUNCER_LENGTH ADDR_WIDTH --> ADDRESS_WIDTH C_S_AXIS_REGISTERED --> S_AXIS_REGISTERED Cr_Cb_N --> CR_CB_N ADDATA_WIDTH --> ADC_DATA_WIDTH BUFTYPE --> DEVICE_TYPE NUM_BITS --> NUM_OF_BITS WIDTH_A --> A_DATA_WIDTH WIDTH_B --> B_DATA_WIDTH CH_OCNT --> NUM_OF_CHANNELS_O M_CNT --> NUM_OF_CHANNELS_M P_CNT --> NUM_OF_CHANNELS_P CH_ICNT --> NUM_OF_CHANNELS_I CH_MCNT --> NUM_OF_CHANNELS_M 4L_2L_N --> QUAD_OR_DUAL_N SPI_CLK_ASYNC --> ASYNC_SPI_CLK MMCM_BUFIO_N --> MMCM_OR_BUFIO_N SERDES_DDR_N --> SERDES_OR_DDR_N CLK_ASYNC --> ASYNC_CLK CLKS_ASYNC --> ASYNC_CLK SERDES --> SERDES_OR_DDR_N GTH_GTX_N --> GTH_OR_GTX_N IF_TYPE --> DDR_OR_SDR_N PARALLEL_WIDTH --> DATA_WIDTH ADD_SUB --> ADD_OR_SUB_N A_WIDTH --> A_DATA_WIDTH CONST_VALUE --> B_DATA_VALUE IO_BASEADDR --> BASE_ADDRESS IO_WIDTH --> DATA_WIDTH QUAD_DUAL_N --> QUAD_OR_DUAL_N AXI_ADDRLIMIT --> AXI_ADDRESS_LIMIT ADDRESS_A_DATA_WIDTH --> A_ADDRESS_WIDTH ADDRESS_B_DATA_WIDTH --> B_ADDRESS_WIDTH MODE_OF_ENABLE --> CONTROL_TYPE CONTROL_TYPE --> LEVEL_OR_PULSE_N IQSEL --> Q_OR_I_N MMCM --> MMCM_OR_BUFR_N
2015-08-19 11:11:47 +00:00
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;
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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;
reg [15:0] dac_dds_phase_0 = 'd0;
reg [15:0] dac_dds_phase_1 = 'd0;
reg [15:0] dac_dds_incr_0 = 'd0;
reg [15:0] dac_dds_incr_1 = 'd0;
reg [15:0] dac_dds_data = 'd0;
// internal signals
wire dac_iqcor_valid_s;
wire [15:0] dac_iqcor_data_s;
wire [15:0] 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;
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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;
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always @(posedge dac_clk) begin
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dac_enable_int <= (dac_data_sel_s == 4'h2) ? 1'b1 : 1'b0;
if (dac_iqcor_valid_s == 1'b1) begin
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dac_data_int <= dac_iqcor_data_s[15:4];
end
end
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ad_iqcor #(
.Q_OR_I_N (Q_OR_I_N),
.DISABLE (IQCORRECTION_DISABLE))
i_ad_iqcor (
.clk (dac_clk),
.valid (dac_valid),
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.data_in ({dac_data_out_int, 4'd0}),
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.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;
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always @(posedge dac_clk) begin
case (dac_data_sel_s)
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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[15:4];
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
always @(posedge dac_clk) begin
if (dac_data_sync == 1'b1) begin
dac_dds_phase_0 <= dac_dds_init_1_s;
dac_dds_phase_1 <= dac_dds_init_2_s;
dac_dds_incr_0 <= dac_dds_incr_1_s;
dac_dds_incr_1 <= dac_dds_incr_2_s;
dac_dds_data <= 16'd0;
end else if (dac_valid == 1'b1) begin
dac_dds_phase_0 <= dac_dds_phase_0 + dac_dds_incr_0;
dac_dds_phase_1 <= dac_dds_phase_1 + dac_dds_incr_1;
dac_dds_incr_0 <= dac_dds_incr_0;
dac_dds_incr_1 <= dac_dds_incr_1;
dac_dds_data <= dac_dds_data_s;
end
end
// dds
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ad_dds #(
.DISABLE (DDS_DISABLE))
i_dds (
.clk (dac_clk),
.dds_format (dac_dds_format),
.dds_phase_0 (dac_dds_phase_0),
.dds_scale_0 (dac_dds_scale_1_s),
.dds_phase_1 (dac_dds_phase_1),
.dds_scale_1 (dac_dds_scale_2_s),
.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;
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up_dac_channel #(
.COMMON_ID (6'h11),
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.CHANNEL_ID (CHANNEL_ID),
.DDS_DISABLE (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),
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.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),
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.up_wack (up_wack_s),
.up_rreq (up_rreq),
.up_raddr (up_raddr),
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.up_rdata (up_rdata_s),
.up_rack (up_rack_s));
endmodule
// ***************************************************************************
// ***************************************************************************