// ***************************************************************************
// ***************************************************************************
// Copyright 2011(c) Analog Devices, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     - Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     - Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in
//       the documentation and/or other materials provided with the
//       distribution.
//     - Neither the name of Analog Devices, Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//     - The use of this software may or may not infringe the patent rights
//       of one or more patent holders.  This license does not release you
//       from the requirement that you obtain separate licenses from these
//       patent holders to use this software.
//     - Use of the software either in source or binary form, must be run
//       on or directly connected to an Analog Devices Inc. component.
//
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************

`timescale 1ns/100ps

module axi_ad9434 (

  // physical interface
  adc_clk_in_p,
  adc_clk_in_n,
  adc_data_in_p,
  adc_data_in_n,
  adc_or_in_p,
  adc_or_in_n,

  // delay interface
  delay_clk,

  // dma interface
  adc_clk,
  adc_enable,
  adc_valid,
  adc_data,
  adc_dovf,

  // axi interface
  s_axi_aclk,
  s_axi_aresetn,
  s_axi_awvalid,
  s_axi_awaddr,
  s_axi_awready,
  s_axi_wvalid,
  s_axi_wdata,
  s_axi_wstrb,
  s_axi_wready,
  s_axi_bvalid,
  s_axi_bresp,
  s_axi_bready,
  s_axi_arvalid,
  s_axi_araddr,
  s_axi_arready,
  s_axi_rvalid,
  s_axi_rresp,
  s_axi_rdata,
  s_axi_rready);


  // parameters
  localparam SERIES7 = 0;
  localparam SERIES6 = 1;

  parameter PCORE_ID = 0;
  parameter PCORE_DEVTYPE = SERIES7;
  parameter PCORE_IODELAY_GROUP = "dev_if_delay_group";
  parameter C_S_AXI_MIN_SIZE = 32'hffff;

  // physical interface
  input           adc_clk_in_p;
  input           adc_clk_in_n;
  input  [11:0]   adc_data_in_p;
  input  [11:0]   adc_data_in_n;
  input           adc_or_in_p;
  input           adc_or_in_n;

  // delay interface
  input           delay_clk;

  // dma interface
  output          adc_clk;
  output          adc_valid;
  output          adc_enable;
  output [63:0]   adc_data;
  input           adc_dovf;

  // axi interface
  input           s_axi_aclk;
  input           s_axi_aresetn;
  input           s_axi_awvalid;
  input   [31:0]  s_axi_awaddr;
  output          s_axi_awready;
  input           s_axi_wvalid;
  input   [31:0]  s_axi_wdata;
  input   [ 3:0]  s_axi_wstrb;
  output          s_axi_wready;
  output          s_axi_bvalid;
  output  [ 1:0]  s_axi_bresp;
  input           s_axi_bready;
  input           s_axi_arvalid;
  input   [31:0]  s_axi_araddr;
  output          s_axi_arready;
  output          s_axi_rvalid;
  output  [ 1:0]  s_axi_rresp;
  output  [31:0]  s_axi_rdata;
  input           s_axi_rready;

  // internal clocks & resets
  wire            adc_rst;
  wire            up_rstn;
  wire            mmcm_rst;
  wire            up_clk;
  wire            adc_clk;
  wire            drp_clk;

  // internal signals
  wire            up_wreq_s;
  wire            up_rreq_s;
  wire    [13:0]  up_waddr_s;
  wire    [13:0]  up_raddr_s;
  wire    [31:0]  up_wdata_s;
  wire    [31:0]  up_rdata_s;
  wire            up_wack_s;
  wire            up_rack_s;

  wire    [ 1:0]  up_status_pn_err_s;
  wire    [ 1:0]  up_status_pn_oos_s;
  wire    [ 1:0]  up_status_or_s;
  wire            adc_status_s;

  wire            delay_rst_s;
  wire            delay_sel_s;
  wire            delay_rwn_s;
  wire    [ 7:0]  delay_addr_s;
  wire    [ 4:0]  delay_wdata_s;
  wire    [ 4:0]  delay_rdata_s;
  wire            delay_ack_t_s;
  wire            delay_locked_s;

  wire            drp_sel_s;
  wire            drp_rst_s;
  wire            drp_wr_s;
  wire    [11:0]  drp_addr_s;
  wire    [15:0]  drp_wdata_s;
  wire    [15:0]  drp_rdata_s;
  wire            drp_ready_s;
  wire            drp_locked_s;

  wire    [47:0]  adc_data_if_s;
  wire            adc_or_if_s;

  // clock/reset assignments
  assign up_clk  = s_axi_aclk;
  assign up_rstn = s_axi_aresetn;
  assign drp_clk = up_clk;

  // single channel always enable
  assign adc_enable = 1'b1;

  axi_ad9434_if #(
    .PCORE_DEVTYPE(PCORE_DEVTYPE),
    .PCORE_IODELAY_GROUP(PCORE_IODELAY_GROUP))
  i_if(
    .adc_clk_in_p(adc_clk_in_p),
    .adc_clk_in_n(adc_clk_in_n),
    .adc_data_in_p(adc_data_in_p),
    .adc_data_in_n(adc_data_in_n),
    .adc_or_in_p(adc_or_in_p),
    .adc_or_in_n(adc_or_in_n),
    .adc_data(adc_data_if_s),
    .adc_or(adc_or_if_s),
    .adc_clk(adc_clk),
    .adc_rst(adc_rst),
    .adc_status(adc_status_s),
    .delay_clk(delay_clk),
    .delay_rst(delay_rst_s),
    .delay_sel(delay_sel_s),
    .delay_rwn(delay_rwn_s),
    .delay_addr(delay_addr_s),
    .delay_wdata(delay_wdata_s),
    .delay_rdata(delay_rdata_s),
    .delay_ack_t(delay_ack_t_s),
    .delay_locked(delay_locked_s),
    .mmcm_rst(mmcm_rst),
    .drp_clk(drp_clk),
    .drp_rst(drp_rst_s),
    .drp_sel(drp_sel_s),
    .drp_wr(drp_wr_s),
    .drp_addr(drp_addr_s),
    .drp_wdata(drp_wdata_s),
    .drp_rdata(drp_rdata_s),
    .drp_ready(drp_ready_s),
    .drp_locked(drp_locked_s));

  // common processor control
  axi_ad9434_core #(.PCORE_ID(PCORE_ID))
  i_core (
    .adc_clk(adc_clk),
    .adc_data(adc_data_if_s),
    .adc_or(adc_or_if_s),
    .mmcm_rst (mmcm_rst),
    .adc_rst (adc_rst),
    .adc_status (adc_status_s),
    .dma_dvalid (adc_valid),
    .dma_data (adc_data),
    .dma_dovf (adc_dovf),
    .delay_clk (delay_clk),
    .delay_rst (delay_rst_s),
    .delay_sel (delay_sel_s),
    .delay_rwn (delay_rwn_s),
    .delay_addr (delay_addr_s),
    .delay_wdata (delay_wdata_s),
    .delay_rdata (delay_rdata_s),
    .delay_ack_t (delay_ack_t_s),
    .delay_locked (delay_locked_s),
    .drp_clk (drp_clk),
    .drp_rst (drp_rst_s),
    .drp_sel (drp_sel_s),
    .drp_wr (drp_wr_s),
    .drp_addr (drp_addr_s),
    .drp_wdata (drp_wdata_s),
    .drp_rdata (drp_rdata_s),
    .drp_ready (drp_ready_s),
    .drp_locked (drp_locked_s),
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_wreq (up_wreq_s),
    .up_waddr (up_waddr_s),
    .up_wdata (up_wdata_s),
    .up_wack (up_wack_s),
    .up_rreq (up_rreq_s),
    .up_raddr (up_raddr_s),
    .up_rdata (up_rdata_s),
    .up_rack (up_rack_s));

  // up bus interface
  up_axi i_up_axi (
    .up_rstn (up_rstn),
    .up_clk (up_clk),
    .up_axi_awvalid (s_axi_awvalid),
    .up_axi_awaddr (s_axi_awaddr),
    .up_axi_awready (s_axi_awready),
    .up_axi_wvalid (s_axi_wvalid),
    .up_axi_wdata (s_axi_wdata),
    .up_axi_wstrb (s_axi_wstrb),
    .up_axi_wready (s_axi_wready),
    .up_axi_bvalid (s_axi_bvalid),
    .up_axi_bresp (s_axi_bresp),
    .up_axi_bready (s_axi_bready),
    .up_axi_arvalid (s_axi_arvalid),
    .up_axi_araddr (s_axi_araddr),
    .up_axi_arready (s_axi_arready),
    .up_axi_rvalid (s_axi_rvalid),
    .up_axi_rresp (s_axi_rresp),
    .up_axi_rdata (s_axi_rdata),
    .up_axi_rready (s_axi_rready),
    .up_wreq (up_wreq_s),
    .up_waddr (up_waddr_s),
    .up_wdata (up_wdata_s),
    .up_rdata (up_rdata_s),
    .up_wack (up_wack_s),
    .up_raddr (up_raddr_s),
    .up_rreq (up_rreq_s),
    .up_rack (up_rack_s));

endmodule