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// ***************************************************************************
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// ***************************************************************************
// ADC channel-need to work on dual mode for pn sequence

`timescale 1ns/100ps

module axi_ad9361_rx (

  // adc interface

  adc_clk,
  adc_valid,
  adc_pn_oos_i1,
  adc_pn_err_i1,
  adc_data_i1,
  adc_pn_oos_q1,
  adc_pn_err_q1,
  adc_data_q1,
  adc_pn_oos_i2,
  adc_pn_err_i2,
  adc_data_i2,
  adc_pn_oos_q2,
  adc_pn_err_q2,
  adc_data_q2,
  adc_status,
  adc_r1_mode,

  // delay interface

  delay_clk,
  delay_rst,
  delay_sel,
  delay_rwn,
  delay_addr,
  delay_wdata,
  delay_rdata,
  delay_ack_t,
  delay_locked,

  // dma interface

  adc_dwr,
  adc_ddata,
  adc_dsync,
  adc_dovf,
  adc_dunf,

  // processor interface

  up_rstn,
  up_clk,
  up_sel,
  up_wr,
  up_addr,
  up_wdata,
  up_rdata,
  up_ack,

  // monitor signals

  adc_mon_valid,
  adc_mon_data,

  // debug signals

  adc_dbg_trigger,
  adc_dbg_data);

  // parameters

  parameter   DP_DISABLE = 0;
  parameter   PCORE_ID = 0;

  // adc interface

  input           adc_clk;
  input           adc_valid;
  input           adc_pn_oos_i1;
  input           adc_pn_err_i1;
  input   [11:0]  adc_data_i1;
  input           adc_pn_oos_q1;
  input           adc_pn_err_q1;
  input   [11:0]  adc_data_q1;
  input           adc_pn_oos_i2;
  input           adc_pn_err_i2;
  input   [11:0]  adc_data_i2;
  input           adc_pn_oos_q2;
  input           adc_pn_err_q2;
  input   [11:0]  adc_data_q2;
  input           adc_status;
  output          adc_r1_mode;

  // delay interface

  input           delay_clk;
  output          delay_rst;
  output          delay_sel;
  output          delay_rwn;
  output  [ 7:0]  delay_addr;
  output  [ 4:0]  delay_wdata;
  input   [ 4:0]  delay_rdata;
  input           delay_ack_t;
  input           delay_locked;

  // dma interface

  output          adc_dwr;
  output  [63:0]  adc_ddata;
  output          adc_dsync;
  input           adc_dovf;
  input           adc_dunf;

  // processor interface

  input           up_rstn;
  input           up_clk;
  input           up_sel;
  input           up_wr;
  input   [13:0]  up_addr;
  input   [31:0]  up_wdata;
  output  [31:0]  up_rdata;
  output          up_ack;

  // monitor signals

  output          adc_mon_valid;
  output  [47:0]  adc_mon_data;

  // debug signals

  output  [ 1:0]  adc_dbg_trigger;
  output [116:0]  adc_dbg_data;

  // internal registers


  reg     [47:0]  adc_iqcor_data_3_1110 = 'd0;
  reg     [47:0]  adc_iqcor_data_3_1101 = 'd0;
  reg     [47:0]  adc_iqcor_data_3_1011 = 'd0;
  reg     [47:0]  adc_iqcor_data_3_0111 = 'd0;
  reg             adc_iqcor_valid = 'd0;
  reg             adc_iqcor_valid_3 = 'd0;
  reg             adc_iqcor_sync = 'd0;
  reg             adc_iqcor_sync_3 = 'd0;
  reg     [63:0]  adc_iqcor_data = 'd0;
  reg     [63:0]  adc_iqcor_data_1110 = 'd0;
  reg     [63:0]  adc_iqcor_data_1101 = 'd0;
  reg     [63:0]  adc_iqcor_data_1011 = 'd0;
  reg     [63:0]  adc_iqcor_data_0111 = 'd0;
  reg     [ 1:0]  adc_iqcor_data_cnt = 'd0;
  reg             up_adc_status_pn_err = 'd0;
  reg             up_adc_status_pn_oos = 'd0;
  reg             up_adc_status_or = 'd0;
  reg     [31:0]  up_rdata = 'd0;
  reg             up_ack = 'd0;

  // internal clocks and resets

  wire            adc_rst;

  // internal signals

  wire            adc_iqcor_valid_s;
  wire    [15:0]  adc_dcfilter_data_out_0_s;
  wire            adc_pn_oos_out_0_s;
  wire            adc_pn_err_out_0_s;
  wire            adc_iqcor_valid_0_s;
  wire    [15:0]  adc_iqcor_data_0_s;
  wire            adc_enable_0_s;
  wire            up_adc_pn_err_0_s;
  wire            up_adc_pn_oos_0_s;
  wire            up_adc_or_0_s;
  wire    [31:0]  up_rdata_0_s;
  wire            up_ack_0_s;
  wire            adc_iqcor_valid_1_s;
  wire    [15:0]  adc_iqcor_data_1_s;
  wire            adc_enable_1_s;
  wire            up_adc_pn_err_1_s;
  wire            up_adc_pn_oos_1_s;
  wire            up_adc_or_1_s;
  wire    [31:0]  up_rdata_1_s;
  wire            up_ack_1_s;
  wire    [15:0]  adc_dcfilter_data_out_2_s;
  wire            adc_pn_oos_out_2_s;
  wire            adc_pn_err_out_2_s;
  wire            adc_iqcor_valid_2_s;
  wire    [15:0]  adc_iqcor_data_2_s;
  wire            adc_enable_2_s;
  wire            up_adc_pn_err_2_s;
  wire            up_adc_pn_oos_2_s;
  wire            up_adc_or_2_s;
  wire    [31:0]  up_rdata_2_s;
  wire            up_ack_2_s;
  wire            adc_iqcor_valid_3_s;
  wire    [15:0]  adc_iqcor_data_3_s;
  wire            adc_enable_3_s;
  wire            up_adc_pn_err_3_s;
  wire            up_adc_pn_oos_3_s;
  wire            up_adc_or_3_s;
  wire    [31:0]  up_rdata_3_s;
  wire            up_ack_3_s;
  wire    [31:0]  up_rdata_s;
  wire            up_ack_s;

  // monitor signals

  assign adc_mon_valid = adc_valid;
  assign adc_mon_data[11: 0] = adc_data_i1;
  assign adc_mon_data[23:12] = adc_data_q1;
  assign adc_mon_data[35:24] = adc_data_i2;
  assign adc_mon_data[47:36] = adc_data_q2;

  // debug signals

  assign adc_dbg_trigger[0] = adc_iqcor_valid_s;
  assign adc_dbg_trigger[1] = adc_valid;

  assign adc_dbg_data[ 15:  0] = adc_iqcor_data_0_s;
  assign adc_dbg_data[ 31: 16] = adc_iqcor_data_1_s;
  assign adc_dbg_data[ 47: 32] = adc_iqcor_data_2_s;
  assign adc_dbg_data[ 63: 48] = adc_iqcor_data_3_s;
  assign adc_dbg_data[ 64: 64] = adc_iqcor_valid_0_s;
  assign adc_dbg_data[ 65: 65] = adc_iqcor_valid_1_s;
  assign adc_dbg_data[ 66: 66] = adc_iqcor_valid_2_s;
  assign adc_dbg_data[ 67: 67] = adc_iqcor_valid_3_s;
  assign adc_dbg_data[ 79: 68] = adc_data_i1;
  assign adc_dbg_data[ 91: 80] = adc_data_q1;
  assign adc_dbg_data[103: 92] = adc_data_i2;
  assign adc_dbg_data[115:104] = adc_data_q2;
  assign adc_dbg_data[116:116] = adc_valid;

  // adc channels - dma interface

  assign adc_dwr = adc_iqcor_valid;
  assign adc_dsync = adc_iqcor_sync;
  assign adc_ddata = adc_iqcor_data;

  assign adc_iqcor_valid_s = adc_iqcor_valid_0_s & adc_iqcor_valid_1_s &
    adc_iqcor_valid_2_s & adc_iqcor_valid_3_s;

  always @(posedge adc_clk) begin
    if (adc_iqcor_valid_s == 1'b1) begin
      adc_iqcor_valid_3 <= adc_iqcor_data_cnt[0] | adc_iqcor_data_cnt[1];        
      adc_iqcor_sync_3 <= adc_iqcor_data_cnt[0] & ~adc_iqcor_data_cnt[1];
      adc_iqcor_data_3_1110[47:32] <= adc_iqcor_data_3_s;
      adc_iqcor_data_3_1110[31:16] <= adc_iqcor_data_2_s;
      adc_iqcor_data_3_1110[15: 0] <= adc_iqcor_data_1_s;
      adc_iqcor_data_3_1101[47:32] <= adc_iqcor_data_3_s;
      adc_iqcor_data_3_1101[31:16] <= adc_iqcor_data_2_s;
      adc_iqcor_data_3_1101[15: 0] <= adc_iqcor_data_0_s;
      adc_iqcor_data_3_1011[47:32] <= adc_iqcor_data_3_s;
      adc_iqcor_data_3_1011[31:16] <= adc_iqcor_data_1_s;
      adc_iqcor_data_3_1011[15: 0] <= adc_iqcor_data_0_s;
      adc_iqcor_data_3_0111[47:32] <= adc_iqcor_data_2_s;
      adc_iqcor_data_3_0111[31:16] <= adc_iqcor_data_1_s;
      adc_iqcor_data_3_0111[15: 0] <= adc_iqcor_data_0_s;
      case (adc_iqcor_data_cnt)
        2'b11: begin
          adc_iqcor_data_1110[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data_1110[47:32] <= adc_iqcor_data_2_s;
          adc_iqcor_data_1110[31:16] <= adc_iqcor_data_1_s;
          adc_iqcor_data_1110[15: 0] <= adc_iqcor_data_3_1110[47:32];
          adc_iqcor_data_1101[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data_1101[47:32] <= adc_iqcor_data_2_s;
          adc_iqcor_data_1101[31:16] <= adc_iqcor_data_0_s;
          adc_iqcor_data_1101[15: 0] <= adc_iqcor_data_3_1101[47:32];
          adc_iqcor_data_1011[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data_1011[47:32] <= adc_iqcor_data_1_s;
          adc_iqcor_data_1011[31:16] <= adc_iqcor_data_0_s;
          adc_iqcor_data_1011[15: 0] <= adc_iqcor_data_3_1011[47:32];
          adc_iqcor_data_0111[63:48] <= adc_iqcor_data_2_s;
          adc_iqcor_data_0111[47:32] <= adc_iqcor_data_1_s;
          adc_iqcor_data_0111[31:16] <= adc_iqcor_data_0_s;
          adc_iqcor_data_0111[15: 0] <= adc_iqcor_data_3_0111[47:32];
        end
        2'b10: begin
          adc_iqcor_data_1110[63:48] <= adc_iqcor_data_2_s;
          adc_iqcor_data_1110[47:32] <= adc_iqcor_data_1_s;
          adc_iqcor_data_1110[31:16] <= adc_iqcor_data_3_1110[47:32];
          adc_iqcor_data_1110[15: 0] <= adc_iqcor_data_3_1110[31:16];
          adc_iqcor_data_1101[63:48] <= adc_iqcor_data_2_s;
          adc_iqcor_data_1101[47:32] <= adc_iqcor_data_0_s;
          adc_iqcor_data_1101[31:16] <= adc_iqcor_data_3_1101[47:32];
          adc_iqcor_data_1101[15: 0] <= adc_iqcor_data_3_1101[31:16];
          adc_iqcor_data_1011[63:48] <= adc_iqcor_data_1_s;
          adc_iqcor_data_1011[47:32] <= adc_iqcor_data_0_s;
          adc_iqcor_data_1011[31:16] <= adc_iqcor_data_3_1011[47:32];
          adc_iqcor_data_1011[15: 0] <= adc_iqcor_data_3_1011[31:16];
          adc_iqcor_data_0111[63:48] <= adc_iqcor_data_1_s;
          adc_iqcor_data_0111[47:32] <= adc_iqcor_data_0_s;
          adc_iqcor_data_0111[31:16] <= adc_iqcor_data_3_0111[47:32];
          adc_iqcor_data_0111[15: 0] <= adc_iqcor_data_3_0111[31:16];
        end
        2'b01: begin
          adc_iqcor_data_1110[63:48] <= adc_iqcor_data_1_s;
          adc_iqcor_data_1110[47:32] <= adc_iqcor_data_3_1110[47:32];
          adc_iqcor_data_1110[31:16] <= adc_iqcor_data_3_1110[31:16];
          adc_iqcor_data_1110[15: 0] <= adc_iqcor_data_3_1110[15: 0];
          adc_iqcor_data_1101[63:48] <= adc_iqcor_data_0_s;
          adc_iqcor_data_1101[47:32] <= adc_iqcor_data_3_1101[47:32];
          adc_iqcor_data_1101[31:16] <= adc_iqcor_data_3_1101[31:16];
          adc_iqcor_data_1101[15: 0] <= adc_iqcor_data_3_1101[15: 0];
          adc_iqcor_data_1011[63:48] <= adc_iqcor_data_0_s;
          adc_iqcor_data_1011[47:32] <= adc_iqcor_data_3_1011[47:32];
          adc_iqcor_data_1011[31:16] <= adc_iqcor_data_3_1011[31:16];
          adc_iqcor_data_1011[15: 0] <= adc_iqcor_data_3_1011[15: 0];
          adc_iqcor_data_0111[63:48] <= adc_iqcor_data_0_s;
          adc_iqcor_data_0111[47:32] <= adc_iqcor_data_3_0111[47:32];
          adc_iqcor_data_0111[31:16] <= adc_iqcor_data_3_0111[31:16];
          adc_iqcor_data_0111[15: 0] <= adc_iqcor_data_3_0111[15: 0];
        end
        default:begin
          adc_iqcor_data_1110[63:48] <= 16'hdead;
          adc_iqcor_data_1110[47:32] <= 16'hdead;
          adc_iqcor_data_1110[31:16] <= 16'hdead;
          adc_iqcor_data_1110[15: 0] <= 16'hdead;
          adc_iqcor_data_1101[63:48] <= 16'hdead;
          adc_iqcor_data_1101[47:32] <= 16'hdead;
          adc_iqcor_data_1101[31:16] <= 16'hdead;
          adc_iqcor_data_1101[15: 0] <= 16'hdead;
          adc_iqcor_data_1011[63:48] <= 16'hdead;
          adc_iqcor_data_1011[47:32] <= 16'hdead;
          adc_iqcor_data_1011[31:16] <= 16'hdead;
          adc_iqcor_data_1011[15: 0] <= 16'hdead;
          adc_iqcor_data_0111[63:48] <= 16'hdead;
          adc_iqcor_data_0111[47:32] <= 16'hdead;
          adc_iqcor_data_0111[31:16] <= 16'hdead;
          adc_iqcor_data_0111[15: 0] <= 16'hdead;
        end
      endcase
    end
  end
    
  always @(posedge adc_clk) begin
    if (adc_iqcor_valid_s == 1'b1) begin
      case ({adc_enable_3_s, adc_enable_2_s, adc_enable_1_s, adc_enable_0_s})
        4'b1111: begin
          adc_iqcor_valid <= 1'b1;
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_data[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_2_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data_1_s;
          adc_iqcor_data[15: 0] <= adc_iqcor_data_0_s;
        end
        4'b1110: begin
          adc_iqcor_sync <= adc_iqcor_sync_3;
          adc_iqcor_valid <= adc_iqcor_valid_3;
          adc_iqcor_data  <= adc_iqcor_data_1110;
        end
        4'b1101: begin
          adc_iqcor_sync <= adc_iqcor_sync_3;
          adc_iqcor_valid <= adc_iqcor_valid_3;
          adc_iqcor_data  <= adc_iqcor_data_1101;
        end
        4'b1100: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_2_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data[63:48];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[47:32];
        end
        4'b1011: begin
          adc_iqcor_sync <= adc_iqcor_sync_3;
          adc_iqcor_valid <= adc_iqcor_valid_3;
          adc_iqcor_data  <= adc_iqcor_data_1011;
        end
        4'b1010: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_1_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data[63:48];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[47:32];
        end
        4'b1001: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_0_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data[63:48];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[47:32];
        end
        4'b1000: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[1] & adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_3_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data[63:48];
          adc_iqcor_data[31:16] <= adc_iqcor_data[47:32];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[31:16];
        end
        4'b0111: begin
          adc_iqcor_sync <= adc_iqcor_sync_3;
          adc_iqcor_valid <= adc_iqcor_valid_3;
          adc_iqcor_data  <= adc_iqcor_data_0111;
        end
        4'b0110: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_2_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_1_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data[63:48];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[47:32];
        end
        4'b0101: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_2_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_0_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data[63:48];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[47:32];
        end
        4'b0100: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[1] & adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_2_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data[63:48];
          adc_iqcor_data[31:16] <= adc_iqcor_data[47:32];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[31:16];
        end
        4'b0011: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_1_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data_0_s;
          adc_iqcor_data[31:16] <= adc_iqcor_data[63:48];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[47:32];
        end
        4'b0010: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[1] & adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_1_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data[63:48];
          adc_iqcor_data[31:16] <= adc_iqcor_data[47:32];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[31:16];
        end
        4'b0001: begin
          adc_iqcor_sync <= 1'b1;
          adc_iqcor_valid <= adc_iqcor_data_cnt[1] & adc_iqcor_data_cnt[0];
          adc_iqcor_data[63:48] <= adc_iqcor_data_0_s;
          adc_iqcor_data[47:32] <= adc_iqcor_data[63:48];
          adc_iqcor_data[31:16] <= adc_iqcor_data[47:32];
          adc_iqcor_data[15: 0] <= adc_iqcor_data[31:16];
        end
        default: begin
          adc_iqcor_valid <= 1'b1;
          adc_iqcor_data[63:48] <= 16'hdead;
          adc_iqcor_data[47:32] <= 16'hdead;
          adc_iqcor_data[31:16] <= 16'hdead;
          adc_iqcor_data[15: 0] <= 16'hdead;
        end
      endcase
      adc_iqcor_data_cnt <= adc_iqcor_data_cnt + 1'b1;
    end else begin
      adc_iqcor_valid <= 1'b0;
      adc_iqcor_data <= adc_iqcor_data;
      adc_iqcor_data_cnt <= adc_iqcor_data_cnt;
    end
  end

  // processor read interface

  always @(negedge up_rstn or posedge up_clk) begin
    if (up_rstn == 0) begin
      up_adc_status_pn_err <= 'd0;
      up_adc_status_pn_oos <= 'd0;
      up_adc_status_or <= 'd0;
      up_rdata <= 'd0;
      up_ack <= 'd0;
    end else begin
      up_adc_status_pn_err <= up_adc_pn_err_0_s | up_adc_pn_err_1_s |
        up_adc_pn_err_2_s | up_adc_pn_err_3_s;
      up_adc_status_pn_oos <= up_adc_pn_oos_0_s | up_adc_pn_oos_1_s |
        up_adc_pn_oos_2_s | up_adc_pn_oos_3_s;
      up_adc_status_or <= up_adc_or_0_s | up_adc_or_1_s |
        up_adc_or_2_s | up_adc_or_3_s;
      up_rdata <= up_rdata_s | up_rdata_0_s | up_rdata_1_s |
        up_rdata_2_s | up_rdata_3_s;
      up_ack <= up_ack_s | up_ack_0_s | up_ack_1_s | 
        up_ack_2_s | up_ack_3_s;
    end
  end

  // channel 0 (i)

  axi_ad9361_rx_channel #(
    .IQSEL(0),
    .CHID(0),
    .DP_DISABLE (DP_DISABLE))
  i_rx_channel_0 (
    .adc_clk (adc_clk),
    .adc_rst (adc_rst),
    .adc_valid (adc_valid),
    .adc_pn_oos_pl (adc_pn_oos_i1),
    .adc_pn_err_pl (adc_pn_err_i1),
    .adc_data (adc_data_i1),
    .adc_data_q (adc_data_q1),
    .adc_or (1'b0),
    .adc_dcfilter_data_out (adc_dcfilter_data_out_0_s),
    .adc_pn_oos_out (adc_pn_oos_out_0_s),
    .adc_pn_err_out (adc_pn_err_out_0_s),
    .adc_dcfilter_data_in (16'd0),
    .adc_pn_oos_in (1'd0),
    .adc_pn_err_in (1'd0),
    .adc_iqcor_valid (adc_iqcor_valid_0_s),
    .adc_iqcor_data (adc_iqcor_data_0_s),
    .adc_enable (adc_enable_0_s),
    .up_adc_pn_err (up_adc_pn_err_0_s),
    .up_adc_pn_oos (up_adc_pn_oos_0_s),
    .up_adc_or (up_adc_or_0_s),
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_sel (up_sel),
    .up_wr (up_wr),
    .up_addr (up_addr),
    .up_wdata (up_wdata),
    .up_rdata (up_rdata_0_s),
    .up_ack (up_ack_0_s));

  // channel 1 (q)

  axi_ad9361_rx_channel #(
    .IQSEL(1), 
    .CHID(1),
    .DP_DISABLE (DP_DISABLE))
  i_rx_channel_1 (
    .adc_clk (adc_clk),
    .adc_rst (adc_rst),
    .adc_valid (adc_valid),
    .adc_pn_oos_pl (adc_pn_oos_q1),
    .adc_pn_err_pl (adc_pn_err_q1),
    .adc_data (adc_data_q1),
    .adc_data_q (12'd0),
    .adc_or (1'b0),
    .adc_dcfilter_data_out (),
    .adc_pn_oos_out (),
    .adc_pn_err_out (),
    .adc_dcfilter_data_in (adc_dcfilter_data_out_0_s),
    .adc_pn_oos_in (adc_pn_oos_out_0_s),
    .adc_pn_err_in (adc_pn_err_out_0_s),
    .adc_iqcor_valid (adc_iqcor_valid_1_s),
    .adc_iqcor_data (adc_iqcor_data_1_s),
    .adc_enable (adc_enable_1_s),
    .up_adc_pn_err (up_adc_pn_err_1_s),
    .up_adc_pn_oos (up_adc_pn_oos_1_s),
    .up_adc_or (up_adc_or_1_s),
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_sel (up_sel),
    .up_wr (up_wr),
    .up_addr (up_addr),
    .up_wdata (up_wdata),
    .up_rdata (up_rdata_1_s),
    .up_ack (up_ack_1_s));

  // channel 2 (i)

  axi_ad9361_rx_channel #(
    .IQSEL(0), 
    .CHID(2),
    .DP_DISABLE (DP_DISABLE))
  i_rx_channel_2 (
    .adc_clk (adc_clk),
    .adc_rst (adc_rst),
    .adc_valid (adc_valid),
    .adc_pn_oos_pl (adc_pn_oos_i2),
    .adc_pn_err_pl (adc_pn_err_i2),
    .adc_data (adc_data_i2),
    .adc_data_q (adc_data_q2),
    .adc_or (1'b0),
    .adc_dcfilter_data_out (adc_dcfilter_data_out_2_s),
    .adc_pn_oos_out (adc_pn_oos_out_2_s),
    .adc_pn_err_out (adc_pn_err_out_2_s),
    .adc_dcfilter_data_in (16'd0),
    .adc_pn_oos_in (1'd0),
    .adc_pn_err_in (1'd0),
    .adc_iqcor_valid (adc_iqcor_valid_2_s),
    .adc_iqcor_data (adc_iqcor_data_2_s),
    .adc_enable (adc_enable_2_s),
    .up_adc_pn_err (up_adc_pn_err_2_s),
    .up_adc_pn_oos (up_adc_pn_oos_2_s),
    .up_adc_or (up_adc_or_2_s),
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_sel (up_sel),
    .up_wr (up_wr),
    .up_addr (up_addr),
    .up_wdata (up_wdata),
    .up_rdata (up_rdata_2_s),
    .up_ack (up_ack_2_s));

  // channel 3 (q)

  axi_ad9361_rx_channel #(
    .IQSEL(1),
    .CHID(3),
    .DP_DISABLE (DP_DISABLE))
  i_rx_channel_3 (
    .adc_clk (adc_clk),
    .adc_rst (adc_rst),
    .adc_valid (adc_valid),
    .adc_pn_oos_pl (adc_pn_oos_q2),
    .adc_pn_err_pl (adc_pn_err_q2),
    .adc_data (adc_data_q2),
    .adc_data_q (12'd0),
    .adc_or (1'b0),
    .adc_dcfilter_data_out (),
    .adc_pn_oos_out (),
    .adc_pn_err_out (),
    .adc_dcfilter_data_in (adc_dcfilter_data_out_2_s),
    .adc_pn_oos_in (adc_pn_oos_out_2_s),
    .adc_pn_err_in (adc_pn_err_out_2_s),
    .adc_iqcor_valid (adc_iqcor_valid_3_s),
    .adc_iqcor_data (adc_iqcor_data_3_s),
    .adc_enable (adc_enable_3_s),
    .up_adc_pn_err (up_adc_pn_err_3_s),
    .up_adc_pn_oos (up_adc_pn_oos_3_s),
    .up_adc_or (up_adc_or_3_s),
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_sel (up_sel),
    .up_wr (up_wr),
    .up_addr (up_addr),
    .up_wdata (up_wdata),
    .up_rdata (up_rdata_3_s),
    .up_ack (up_ack_3_s));

  // common processor control

  up_adc_common #(.PCORE_ID (PCORE_ID)) i_up_adc_common (
    .mmcm_rst (),
    .adc_clk (adc_clk),
    .adc_rst (adc_rst),
    .adc_r1_mode (adc_r1_mode),
    .adc_ddr_edgesel (),
    .adc_pin_mode (),
    .adc_status (adc_status),
    .adc_status_pn_err (up_adc_status_pn_err),
    .adc_status_pn_oos (up_adc_status_pn_oos),
    .adc_status_or (up_adc_status_or),
    .adc_status_ovf (adc_dovf),
    .adc_status_unf (adc_dunf),
    .adc_clk_ratio (32'd1),
    .delay_clk (delay_clk),
    .delay_rst (delay_rst),
    .delay_sel (delay_sel),
    .delay_rwn (delay_rwn),
    .delay_addr (delay_addr),
    .delay_wdata (delay_wdata),
    .delay_rdata (delay_rdata),
    .delay_ack_t (delay_ack_t),
    .delay_locked (delay_locked),
    .drp_clk (1'd0),
    .drp_rst (),
    .drp_sel (),
    .drp_wr (),
    .drp_addr (),
    .drp_wdata (),
    .drp_rdata (16'd0),
    .drp_ready (1'd0),
    .drp_locked (1'd1),
    .up_usr_chanmax (),
    .adc_usr_chanmax (8'd3),
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_sel (up_sel),
    .up_wr (up_wr),
    .up_addr (up_addr),
    .up_wdata (up_wdata),
    .up_rdata (up_rdata_s),
    .up_ack (up_ack_s));

endmodule

// ***************************************************************************
// ***************************************************************************