// ***************************************************************************
// ***************************************************************************
// Copyright 2011(c) Analog Devices, Inc.
// 
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// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
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//     - Use of the software either in source or binary form, must be run
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// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ADC channel-

`timescale 1ns/100ps

module axi_ad9652_channel #(

  parameter Q_OR_I_N = 0,
  parameter CHANNEL_ID = 0,
  parameter DATAPATH_DISABLE = 0) (

  // adc interface

  input                   adc_clk,
  input                   adc_rst,
  input       [15:0]      adc_data,
  input                   adc_or,

  // channel interface

  output      [15:0]      adc_dcfilter_data_out,
  input       [15:0]      adc_dcfilter_data_in,
  output      [15:0]      adc_iqcor_data,
  output                  adc_enable,
  output                  up_adc_pn_err,
  output                  up_adc_pn_oos,
  output                  up_adc_or,

  // 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);


  // internal signals

  wire    [15:0]  adc_dcfilter_data_s;
  wire            adc_iqcor_enb_s;
  wire            adc_dcfilt_enb_s;
  wire    [15:0]  adc_dcfilt_offset_s;
  wire    [15:0]  adc_dcfilt_coeff_s;
  wire    [15:0]  adc_iqcor_coeff_1_s;
  wire    [15:0]  adc_iqcor_coeff_2_s;
  wire    [ 3:0]  adc_pnseq_sel_s;
  wire            adc_pn_err_s;
  wire            adc_pn_oos_s;

  // iq correction inputs

  axi_ad9652_pnmon i_pnmon (
    .adc_clk (adc_clk),
    .adc_data (adc_data),
    .adc_pn_oos (adc_pn_oos_s),
    .adc_pn_err (adc_pn_err_s),
    .adc_pnseq_sel (adc_pnseq_sel_s));

  generate
  if (DATAPATH_DISABLE == 1) begin
  assign adc_dcfilter_data_out = adc_data;
  end else begin
  ad_dcfilter i_ad_dcfilter (
    .clk (adc_clk),
    .valid (1'b1),
    .data (adc_data),
    .valid_out (),
    .data_out (adc_dcfilter_data_s),
    .dcfilt_enb (adc_dcfilt_enb_s),
    .dcfilt_coeff (adc_dcfilt_coeff_s),
    .dcfilt_offset (adc_dcfilt_offset_s));
  end
  endgenerate

  assign adc_dcfilter_data_out = adc_dcfilter_data_s;

  generate
  if (DATAPATH_DISABLE == 1) begin
  assign adc_iqcor_data = adc_dcfilter_data_s;
  end else begin
  ad_iqcor #(.Q_OR_I_N(Q_OR_I_N)) i_ad_iqcor (
    .clk (adc_clk),
    .valid (1'b1),
    .data_in (adc_dcfilter_data_s),
    .data_iq (adc_dcfilter_data_in),
    .valid_out (),
    .data_out (adc_iqcor_data),
    .iqcor_enable (adc_iqcor_enb_s),
    .iqcor_coeff_1 (adc_iqcor_coeff_1_s),
    .iqcor_coeff_2 (adc_iqcor_coeff_2_s));
  end
  endgenerate

  up_adc_channel #(.CHANNEL_ID(CHANNEL_ID)) i_up_adc_channel (
    .adc_clk (adc_clk),
    .adc_rst (adc_rst),
    .adc_enable (adc_enable),
    .adc_iqcor_enb (adc_iqcor_enb_s),
    .adc_dcfilt_enb (adc_dcfilt_enb_s),
    .adc_dfmt_se (),
    .adc_dfmt_type (),
    .adc_dfmt_enable (),
    .adc_dcfilt_offset (adc_dcfilt_offset_s),
    .adc_dcfilt_coeff (adc_dcfilt_coeff_s),
    .adc_iqcor_coeff_1 (adc_iqcor_coeff_1_s),
    .adc_iqcor_coeff_2 (adc_iqcor_coeff_2_s),
    .adc_pnseq_sel (adc_pnseq_sel_s),
    .adc_data_sel (),
    .adc_pn_err (adc_pn_err_s),
    .adc_pn_oos (adc_pn_oos_s),
    .adc_or (adc_or),
    .up_adc_pn_err (up_adc_pn_err),
    .up_adc_pn_oos (up_adc_pn_oos),
    .up_adc_or (up_adc_or),
    .up_usr_datatype_be (),
    .up_usr_datatype_signed (),
    .up_usr_datatype_shift (),
    .up_usr_datatype_total_bits (),
    .up_usr_datatype_bits (),
    .up_usr_decimation_m (),
    .up_usr_decimation_n (),
    .adc_usr_datatype_be (1'b0),
    .adc_usr_datatype_signed (1'b1),
    .adc_usr_datatype_shift (8'd0),
    .adc_usr_datatype_total_bits (8'd16),
    .adc_usr_datatype_bits (8'd16),
    .adc_usr_decimation_m (16'd1),
    .adc_usr_decimation_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),
    .up_rreq (up_rreq),
    .up_raddr (up_raddr),
    .up_rdata (up_rdata),
    .up_rack (up_rack));

endmodule

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