Subversion Repositories bluespec-h264

// The MIT License

// Copyright (c) 2006-2007 Massachusetts Institute of Technology

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in

// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

// THE SOFTWARE.

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

// H264 Main Module

//----------------------------------------------------------------------

//

//

package mkH264;

import H264Types::*;

import IH264::*;

import INalUnwrap::*;

import IEntropyDec::*;

import IInverseTrans::*;

import IPrediction::*;

import IDeblockFilter::*;

import IBufferControl::*;

import mkNalUnwrap::*;

import mkEntropyDec::*;

import mkInverseTrans::*;

import mkPrediction::*;

import mkDeblockFilter::*;

import mkBufferControl::*;

import mkVgaController::*;

import BRAM::*;

import mkRoundRobinMemScheduler::*;

import mkSRAMMemController::*;

import IMemClient::*;

import IMemController::*;

import IMemScheduler::*;

import ISRAMWires::*;

import IVgaController::*;

import Connectable::*;

import GetPut::*;

import ClientServer::*;

(* synthesize *)

module mkH264( IH264 );

   // Instantiate the modules

   INalUnwrap     nalunwrap     <- mkNalUnwrap();

   IEntropyDec    entropydec    <- mkEntropyDec();

   IInverseTrans  inversetrans  <- mkInverseTrans();

   IPrediction    prediction    <- mkPrediction();

   IDeblockFilter deblockfilter <- mkDeblockFilter();

   IMemScheduler#(4, Bit#(18)) sched <- mkRoundRobinMemScheduler();

   ISRAMMemController#(4, Bit#(18), Bit#(32)) mem_cntlr <- mkSRAMMemController(sched);

   IVgaController vgacontroller <- mkVgaController(mem_cntlr.client_interfaces[0],

                                                   mem_cntlr.client_interfaces[1],

                                                   mem_cntlr.client_interfaces[2]);

   IBufferControl buffercontrol <- mkBufferControl(vgacontroller,

                                                   mem_cntlr.client_interfaces[0],

                                                   mem_cntlr.client_interfaces[1],

                                                   mem_cntlr.client_interfaces[2]);

   // Internal connections

   mkConnection( prediction.mem_client_buffer, buffercontrol.inter_server );

   mkConnection( nalunwrap.ioout, entropydec.ioin );

   mkConnection( entropydec.ioout_InverseTrans, inversetrans.ioin );

   mkConnection( entropydec.ioout, prediction.ioin );

   mkConnection( inversetrans.ioout, prediction.ioin_InverseTrans );

   mkConnection( prediction.ioout, deblockfilter.ioin );

   mkConnection( deblockfilter.ioout, buffercontrol.ioin );

   // Interface to input generator

   interface ioin = nalunwrap.ioin;

   // Memory interfaces

   interface mem_clientED          = entropydec.mem_client;

   interface mem_clientP_intra     = prediction.mem_client_intra;

   interface mem_clientP_inter     = prediction.mem_client_inter;

   interface mem_clientD_data      = deblockfilter.mem_client_data;

   interface mem_clientD_parameter = deblockfilter.mem_client_parameter;

   interface buffer_client_load    = buffercontrol.buffer_client_load;

   interface buffer_client_store   = buffercontrol.buffer_client_store;

   // Interface for output

    interface IVgaController vga_controller;

    method Bit#(8) red();

      return vgacontroller.red();

    endmethod

    method Bit#(8) blue();

      return vgacontroller.blue();

    endmethod

    method Bit#(8) green();

      return vgacontroller.green();

    endmethod

    method Bit#(1) sync_on_green();

      return vgacontroller.sync_on_green();

    endmethod

    method Bit#(1) hsync();

      return vgacontroller.hsync();

    endmethod

    method Bit#(1) vsync();

      return vgacontroller.vsync();

    endmethod

    method Bit#(1) blank();

      return vgacontroller.blank();

    endmethod

    method Action  switch_buffer(Bit#(1) buffer);

      noAction;

    endmethod

  endinterface

  interface ISRAMWires  sram_controller = mem_cntlr.wires;

endmodule

endpackage