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[/] [qaz_libs/] [trunk/] [BFM/] [src/] [axis_video_frame/] [avf_config.svh] - Blame information for rev 45

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1 45 qaztronic
//////////////////////////////////////////////////////////////////////
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////                                                              ////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
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////                                                              ////
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//// This source file may be used and distributed without         ////
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//// restriction provided that this copyright statement is not    ////
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//// removed from the file and that any derivative work contains  ////
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//// the original copyright notice and the associated disclaimer. ////
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////                                                              ////
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//// This source file is free software; you can redistribute it   ////
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//// and/or modify it under the terms of the GNU Lesser General   ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any   ////
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//// later version.                                               ////
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//// This source is distributed in the hope that it will be       ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//// details.                                                     ////
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////                                                              ////
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//// You should have received a copy of the GNU Lesser General    ////
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//// Public License along with this source; if not, download it   ////
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//// from http://www.opencores.org/lgpl.shtml                     ////
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////                                                              ////
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//////////////////////////////////////////////////////////////////////
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class avf_config #(N, U);
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  virtual axis_if #(.N(N), .U(U)) vif;
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  protected uvm_active_passive_enum is_active; // UVM_ACTIVE or UVM_PASSIVE
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  int pixels_per_line;
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  int lines_per_frame;
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  int bits_per_pixel;
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  int bytes_per_pixel;
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  int pixels_per_clk;
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  string name;
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  // --------------------------------------------------------------------
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  function void init
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  ( int pixels_per_line
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  , int lines_per_frame
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  , int bits_per_pixel
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  , string    name = ""
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  );
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    this.pixels_per_line  = pixels_per_line;
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    this.lines_per_frame  = lines_per_frame;
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    this.bits_per_pixel   = bits_per_pixel;
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    this.name             = name;
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    this.bytes_per_pixel  = (bits_per_pixel % 8 == 0)
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                          ? (bits_per_pixel / 8)
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                          : (bits_per_pixel / 8) + 1;
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    assert(N % bytes_per_pixel == 0) else
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      `uvm_fatal("avf_config", "N % bytes_per_pixel != 0")
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    this.pixels_per_clk   = N / bytes_per_pixel;
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  endfunction: init
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  // --------------------------------------------------------------------
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  function new
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  (  virtual axis_if #(.N(N), .U(U)) vif
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  ,  uvm_active_passive_enum is_active = UVM_ACTIVE
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  );
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    this.vif = vif;
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    this.is_active = is_active;
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  endfunction : new
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  // --------------------------------------------------------------------
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  function uvm_active_passive_enum get_is_active();
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    return is_active;
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  endfunction : get_is_active
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// --------------------------------------------------------------------
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endclass : avf_config

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