// ***************************************************************************
// ***************************************************************************
// Copyright 2014(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 ad_lvds_clk (

  rst,
  locked,

  clk_in_p,
  clk_in_n,
  clk);

  parameter   DEVICE_TYPE       = 0;

  input     rst;
  output    locked;

  input     clk_in_p;
  input     clk_in_n;
  output    clk;
  
  // instantiations

  generate
  if (DEVICE_TYPE == 0) begin
  alt_clk i_clk (
    .rst (rst),
    .refclk (clk_in_p),
    .outclk_0 (clk),
    .locked (locked));
  end
  endgenerate

  generate
  if (DEVICE_TYPE == 1) begin
  altera_pll #(
    .reference_clock_frequency("250.0 MHz"),
    .operation_mode("lvds"),
    .number_of_clocks(1),
    .output_clock_frequency0("250.0 MHz"),
    .phase_shift0("0"))
  i_clk (
    .rst (rst),
    .refclk (clk_in_p),
    .outclk (clk),
    .locked (locked));
  end
  endgenerate

endmodule

// ***************************************************************************
// ***************************************************************************