src/peripherals/rgbttl/rgbttl_dummy.bsv

   1 /*
   2 Copyright (c) 2013, IIT Madras All rights reserved.
   3
   4 Redistribution and use in source and binary forms, with or without modification, are permitted
   5 provided that the following conditions are met:
   6
   7 * Redistributions of source code must retain the above copyright notice, this list of conditions
   8   and the following disclaimer.
   9 * Redistributions in binary form must reproduce the above copyright notice, this list of
  10   conditions and the following disclaimer in the documentation and/or other materials provided
  11  with the distribution.
  12 * Neither the name of IIT Madras  nor the names of its contributors may be used to endorse or
  13   promote products derived from this software without specific prior written permission.
  14
  15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
  16 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  17 AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  18 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  21 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  22 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23 --------------------------------------------------------------------------------------------------
  24
  25 Author: Neel Gala
  26 Email id: neelgala@gmail.com
  27 Details:
  28
  29 --------------------------------------------------------------------------------------------------
  30 */
  31 package rgbttl_dummy;
  32   `define RGBTTL_WIDTH 18
  33   `include "instance_defines.bsv"
  34   import GetPut::*;
  35   import BUtils ::*;
  36   import AXI4_Types::*;
  37
  38   interface Ifc_rgbttl_dummy;
  39             interface AXI4_Master_IFC#(`ADDR, `DATA, `USERSPACE) master;
  40             interface AXI4_Slave_IFC#(`ADDR, `DATA, `USERSPACE) slave;
  41       interface Get#(Bit#(1)) de;
  42       interface Get#(Bit#(1)) ck;
  43       interface Get#(Bit#(1)) vs;
  44       interface Get#(Bit#(1)) hs;
  45       interface Get#(Bit#(`RGBTTL_WIDTH)) data_out;
  46   endinterface
  47
  48   (*synthesize*)
  49   module mkrgbttl_dummy(Ifc_rgbttl_dummy);
  50                 AXI4_Slave_Xactor_IFC#(`ADDR,`DATA, `USERSPACE)
  51                             s_xactor<-mkAXI4_Slave_Xactor();
  52                 AXI4_Master_Xactor_IFC#(`ADDR,`DATA, `USERSPACE)
  53                             m_xactor<-mkAXI4_Master_Xactor();
  54
  55       Reg#(Bit#(1)) rg_de <- mkReg(0);
  56       Reg#(Bit#(1)) rg_ck <- mkReg(0);
  57       Reg#(Bit#(1)) rg_vs <- mkReg(0);
  58       Reg#(Bit#(1)) rg_hs <- mkReg(0);
  59       Reg#(Bit#(`RGBTTL_WIDTH)) rg_data <- mkReg(0);
  60
  61       interface de = interface Get
  62         method ActionValue#(Bit#(1)) get;
  63           return rg_de;
  64         endmethod
  65       endinterface;
  66
  67       interface ck = interface Get
  68         method ActionValue#(Bit#(1)) get;
  69           return rg_ck;
  70         endmethod
  71       endinterface;
  72
  73       interface vs = interface Get
  74         method ActionValue#(Bit#(1)) get;
  75           return rg_vs;
  76         endmethod
  77       endinterface;
  78
  79       interface hs = interface Get
  80         method ActionValue#(Bit#(1)) get;
  81           return rg_hs;
  82         endmethod
  83       endinterface;
  84
  85       interface data_out = interface Get
  86         method ActionValue#(Bit#(`RGBTTL_WIDTH)) get;
  87           return rg_data;
  88         endmethod
  89       endinterface;
  90
  91       interface slave=s_xactor.axi_side;
  92       interface master=m_xactor.axi_side;
  93   endmodule
  94 endpackage