Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
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//// This source file is free software; you can redistribute it   ////
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//////////////////////////////////////////////////////////////////////

class avf_config #(N, U);

  virtual axis_if #(.N(N), .U(U)) vif;
  protected uvm_active_passive_enum is_active; // UVM_ACTIVE or UVM_PASSIVE
  int pixels_per_line;
  int lines_per_frame;
  int bits_per_pixel;
  int bytes_per_pixel;
  int pixels_per_clk;
  string name;

  // --------------------------------------------------------------------
  function void init
  ( int pixels_per_line
  , int lines_per_frame
  , int bits_per_pixel
  , string    name = ""
  );
    this.pixels_per_line  = pixels_per_line;
    this.lines_per_frame  = lines_per_frame;
    this.bits_per_pixel   = bits_per_pixel;
    this.name             = name;
    this.bytes_per_pixel  = (bits_per_pixel % 8 == 0)
                          ? (bits_per_pixel / 8)
                          : (bits_per_pixel / 8) + 1;
    assert(N % bytes_per_pixel == 0) else
      `uvm_fatal("avf_config", "N % bytes_per_pixel != 0")
    this.pixels_per_clk   = N / bytes_per_pixel;
  endfunction: init

  // --------------------------------------------------------------------
  function new
  (  virtual axis_if #(.N(N), .U(U)) vif
  ,  uvm_active_passive_enum is_active = UVM_ACTIVE
  );
    this.vif = vif;
    this.is_active = is_active;
  endfunction : new

  // --------------------------------------------------------------------
  function uvm_active_passive_enum get_is_active();
    return is_active;
  endfunction : get_is_active

// --------------------------------------------------------------------
endclass : avf_config