Subversion Repositories qaz_libs

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//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////

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package avf_agent_class_pkg;

  // --------------------------------------------------------------------

  //

  import video_frame_pkg::*;

  import axis_video_frame_bfm_pkg::*;

  // --------------------------------------------------------------------

  //

  class avf_agent_class #(BYTES_PER_PIXEL, OUTPUTS_PER_TILE = 1, AVF_U = 3);

    localparam AVF_N = BYTES_PER_PIXEL * OUTPUTS_PER_TILE;  // data bus width in bytes

    localparam AVF_B = BYTES_PER_PIXEL * 8;                 // bits per pixel on TDATA

    virtual axis_if #(.N(AVF_N), .U(AVF_U)) avf_axis_in_if[];

    virtual axis_if #(.N(AVF_N), .U(AVF_U)) avf_axis_out_if[];

    avf_config_class c_h;

    avf_tx_class #(BYTES_PER_PIXEL, OUTPUTS_PER_TILE, AVF_U) tx_h;

    avf_rx_class #(BYTES_PER_PIXEL, OUTPUTS_PER_TILE, AVF_U) rx_h;

    video_frame_class clone_h;

    video_frame_class sent_f_h;

    video_frame_class rx_f_h;

    mailbox #(video_frame_class) q[];

    // --------------------------------------------------------------------

    //

    virtual task

      queue_frame

      (

        string pattern = "",

        int pixel = 0

      );

        if(pattern != "")

          tx_h.make_frame(pattern, pixel);

        foreach(tx_h.tx_bfm_h[i])

        begin

          clone_h = tx_h.tx_bfm_h[i].f_h.clone();

          tx_h.tx_bfm_h[i].put(clone_h);

          q[i].put(clone_h);

        end

        $display("^^^ %16.t | %m | using %s pattern", $time, pattern);

    endtask: queue_frame

    // --------------------------------------------------------------------

    //

    virtual task automatic

      compare_frame;

      int mismatch_count;

      $display("^^^ %16.t | %m", $time);

      foreach(rx_h.rx_bfm_h[i])

      begin

        q[i].get(sent_f_h);

        rx_h.rx_bfm_h[i].get(rx_f_h);

        mismatch_count = sent_f_h.compare(8, rx_f_h);

      end

    endtask: compare_frame

    // --------------------------------------------------------------------

    //

    virtual task set_tready(input tready);

      $display("^^^ %16.t | %m", $time);

      foreach(rx_h.rx_bfm_h[i])

        rx_h.rx_bfm_h[i].set_tready(tready);

    endtask: set_tready

    // --------------------------------------------------------------------

    //

    virtual task flush_sent_frame;

      $display("^^^ %16.t | %m", $time);

      foreach(rx_h.rx_bfm_h[i])

        q[i].get(sent_f_h);

    endtask: flush_sent_frame

    // --------------------------------------------------------------------

    //

    virtual task rx_flush_frame;

      $display("^^^ %16.t | %m", $time);

      foreach(rx_h.rx_bfm_h[i])

        rx_h.rx_bfm_h[i].get(rx_f_h);

    endtask: rx_flush_frame

    //--------------------------------------------------------------------

    //

    function void init(avf_config_class c_h);

      rx_h = new(c_h, avf_axis_in_if);

      tx_h = new(c_h, avf_axis_out_if);

      this.q = new[$size(avf_axis_out_if)];

      foreach(q[i])

        this.q[i] = new();

    endfunction: init

    //--------------------------------------------------------------------

    //

    function new

      (

        virtual axis_if #(.N(AVF_N), .U(AVF_U)) avf_axis_in_if[],

        virtual axis_if #(.N(AVF_N), .U(AVF_U)) avf_axis_out_if[]

      );

      this.avf_axis_in_if = avf_axis_in_if;

      this.avf_axis_out_if = avf_axis_out_if;

    endfunction: new

    // --------------------------------------------------------------------

    //

  endclass: avf_agent_class

endpackage: avf_agent_class_pkg