Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// This source is distributed in the hope that it will be       ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
//// PURPOSE.  See the GNU Lesser General Public License for more ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
////                                                              ////
//////////////////////////////////////////////////////////////////////


interface
  camera_link_if
  (
    input       reset,
    input       clk_7x,
    input       clk
  );
    wire        frame_valid;
    wire        line_valid;
    wire        data_valid;
    
    wire [7:0]  port_a;
    wire [7:0]  port_b;
    wire [7:0]  port_c;
    wire [7:0]  port_d;
    wire [7:0]  port_e;
    wire [7:0]  port_f;
    wire [7:0]  port_g;
    wire [7:0]  port_h;
    
  
  // --------------------------------------------------------------------
  //
  default clocking cb @(posedge clk iff ~reset);
    input   reset;
    input   clk;
    inout   port_a;
    inout   port_b;
    inout   port_c;
    inout   port_d;
    inout   port_e;
    inout   port_f;
    inout   port_g;
    inout   port_h;
  endclocking


  // --------------------------------------------------------------------
  //
  modport 
    camera
    (
      input     reset,
      input     clk_7x,
      input     clk,
      output    data_valid,
      output    frame_valid,
      output    line_valid,
      output    port_a,
      output    port_b,
      output    port_c,
      output    port_d,
      output    port_e,
      output    port_f,
      output    port_g,
      output    port_h,
      clocking  cb
    );
    
    
  // --------------------------------------------------------------------
  //
  modport 
    frame_grabber
    (
      input     reset,
      input     clk_7x,
      input     clk,
      input     data_valid,
      input     frame_valid,
      input     line_valid,
      input     port_a,
      input     port_b,
      input     port_c,
      input     port_d,
      input     port_e,
      input     port_f,
      input     port_g,
      input     port_h,
      clocking  cb
    );
    
    
  // --------------------------------------------------------------------
  //
  
  
endinterface