// The MIT License
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// The MIT License
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// Copyright (c) 2006-2007 Massachusetts Institute of Technology
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// Copyright (c) 2006-2007 Massachusetts Institute of Technology
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// THE SOFTWARE.
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//**********************************************************************
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//**********************************************************************
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// Frame Buffer
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// Frame Buffer
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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//
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//
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//
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//
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//
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//
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package mkFrameBuffer;
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package mkFrameBuffer;
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import H264Types::*;
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import H264Types::*;
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import IFrameBuffer::*;
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import IFrameBuffer::*;
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import RegFile::*;
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import RegFile::*;
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import GetPut::*;
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import GetPut::*;
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import ClientServer::*;
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import ClientServer::*;
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import FIFO::*;
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import FIFO::*;
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//-----------------------------------------------------------
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//-----------------------------------------------------------
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// Register file module
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// Register file module
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//-----------------------------------------------------------
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//-----------------------------------------------------------
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interface FBRFile2;
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interface FBRFile2;
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method Action store( Bit#(FrameBufferSz) addr, Bit#(32) data );
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method Action store( Bit#(FrameBufferSz) addr, Bit#(32) data );
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method Bit#(32) load1( Bit#(FrameBufferSz) addr );
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method Bit#(32) load1( Bit#(FrameBufferSz) addr );
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method Bit#(32) load2( Bit#(FrameBufferSz) addr );
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method Bit#(32) load2( Bit#(FrameBufferSz) addr );
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method Bit#(32) load3( Bit#(FrameBufferSz) addr );
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method Bit#(32) load3( Bit#(FrameBufferSz) addr );
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endinterface
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endinterface
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module mkFBRFile2( FBRFile2 );
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module mkFBRFile2( FBRFile2 );
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RegFile#(Bit#(FrameBufferSz),Bit#(32)) rfile <- mkRegFile(0,frameBufferSize);
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RegFile#(Bit#(FrameBufferSz),Bit#(32)) rfile <- mkRegFile(0,frameBufferSize);
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method Action store( Bit#(FrameBufferSz) addr, Bit#(32) data );
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method Action store( Bit#(FrameBufferSz) addr, Bit#(32) data );
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rfile.upd( addr, data );
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rfile.upd( addr, data );
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endmethod
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endmethod
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method Bit#(32) load1( Bit#(FrameBufferSz) addr );
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method Bit#(32) load1( Bit#(FrameBufferSz) addr );
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return rfile.sub(addr);
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return rfile.sub(addr);
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endmethod
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endmethod
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method Bit#(32) load2( Bit#(FrameBufferSz) addr );
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method Bit#(32) load2( Bit#(FrameBufferSz) addr );
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return rfile.sub(addr);
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return rfile.sub(addr);
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endmethod
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endmethod
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method Bit#(32) load3( Bit#(FrameBufferSz) addr );
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method Bit#(32) load3( Bit#(FrameBufferSz) addr );
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return rfile.sub(addr);
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return rfile.sub(addr);
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endmethod
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endmethod
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endmodule
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endmodule
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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// Main module
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// Main module
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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module mkFrameBuffer( IFrameBuffer );
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module mkFrameBuffer( IFrameBuffer );
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//-----------------------------------------------------------
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//-----------------------------------------------------------
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// State
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// State
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FBRFile2 rfile2 <- mkFBRFile2;
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FBRFile2 rfile2 <- mkFBRFile2;
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FIFO#(FrameBufferLoadReq) loadReqQ1 <- mkFIFO();
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FIFO#(FrameBufferLoadReq) loadReqQ1 <- mkFIFO();
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FIFO#(FrameBufferLoadResp) loadRespQ1 <- mkFIFO();
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FIFO#(FrameBufferLoadResp) loadRespQ1 <- mkFIFO();
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FIFO#(FrameBufferLoadReq) loadReqQ2 <- mkFIFO();
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FIFO#(FrameBufferLoadReq) loadReqQ2 <- mkFIFO();
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FIFO#(FrameBufferLoadResp) loadRespQ2 <- mkFIFO();
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FIFO#(FrameBufferLoadResp) loadRespQ2 <- mkFIFO();
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FIFO#(FrameBufferLoadReq) loadReqQ3 <- mkFIFO();
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FIFO#(FrameBufferLoadReq) loadReqQ3 <- mkFIFO();
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FIFO#(FrameBufferLoadResp) loadRespQ3 <- mkFIFO();
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FIFO#(FrameBufferLoadResp) loadRespQ3 <- mkFIFO();
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FIFO#(FrameBufferStoreReq) storeReqQ <- mkFIFO();
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FIFO#(FrameBufferStoreReq) storeReqQ <- mkFIFO();
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rule loading1 ( loadReqQ1.first() matches tagged FBLoadReq .addrt );
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rule loading1 ( loadReqQ1.first() matches tagged FBLoadReq .addrt );
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if(addrt
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if(addrt
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begin
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begin
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loadRespQ1.enq( tagged FBLoadResp rfile2.load1(addrt) );
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loadRespQ1.enq( tagged FBLoadResp rfile2.load1(addrt) );
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loadReqQ1.deq();
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loadReqQ1.deq();
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end
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end
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else
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else
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$display( "ERROR FrameBuffer: loading1 outside range" );
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$display( "ERROR FrameBuffer: loading1 outside range" );
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endrule
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endrule
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rule loading2 ( loadReqQ2.first() matches tagged FBLoadReq .addrt );
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rule loading2 ( loadReqQ2.first() matches tagged FBLoadReq .addrt );
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$display("Trace FrameBuffer interLumaReq");
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$display("Trace FrameBuffer interLumaReq");
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if(addrt
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if(addrt
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begin
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begin
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loadRespQ2.enq( tagged FBLoadResp rfile2.load2(addrt) );
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loadRespQ2.enq( tagged FBLoadResp rfile2.load2(addrt) );
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loadReqQ2.deq();
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loadReqQ2.deq();
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end
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end
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else
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else
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$display( "ERROR FrameBuffer: loading2 outside range" );
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$display( "ERROR FrameBuffer: loading2 outside range" );
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endrule
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endrule
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rule loading3 ( loadReqQ3.first() matches tagged FBLoadReq .addrt );
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rule loading3 ( loadReqQ3.first() matches tagged FBLoadReq .addrt );
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$display("Trace FrameBuffer interChromaReq");
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$display("Trace FrameBuffer interChromaReq");
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if(addrt
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if(addrt
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begin
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begin
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loadRespQ3.enq( tagged FBLoadResp rfile2.load3(addrt) );
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loadRespQ3.enq( tagged FBLoadResp rfile2.load3(addrt) );
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loadReqQ3.deq();
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loadReqQ3.deq();
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end
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end
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else
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else
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$display( "ERROR FrameBuffer: loading2 outside range" );
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$display( "ERROR FrameBuffer: loading2 outside range" );
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endrule
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endrule
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rule storing ( storeReqQ.first() matches tagged FBStoreReq { addr:.addrt,data:.datat} );
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rule storing ( storeReqQ.first() matches tagged FBStoreReq { addr:.addrt,data:.datat} );
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if(addrt
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if(addrt
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begin
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begin
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rfile2.store(addrt,datat);
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rfile2.store(addrt,datat);
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storeReqQ.deq();
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storeReqQ.deq();
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end
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end
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else
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else
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$display( "ERROR FrameBuffer: storing outside range" );
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$display( "ERROR FrameBuffer: storing outside range" );
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endrule
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endrule
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rule syncing ( loadReqQ1.first() matches tagged FBEndFrameSync &&& loadReqQ2.first() matches tagged FBEndFrameSync &&&
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rule syncing ( loadReqQ1.first() matches tagged FBEndFrameSync &&& loadReqQ2.first() matches tagged FBEndFrameSync &&&
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loadReqQ3.first() matches tagged FBEndFrameSync &&& storeReqQ.first() matches tagged FBEndFrameSync);
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loadReqQ3.first() matches tagged FBEndFrameSync &&& storeReqQ.first() matches tagged FBEndFrameSync);
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$display("Trace FrameBuffer: EndOfFrame Sync");
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$display("Trace FrameBuffer: EndOfFrame Sync");
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loadReqQ1.deq();
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loadReqQ1.deq();
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loadReqQ2.deq();
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loadReqQ2.deq();
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loadReqQ3.deq();
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loadReqQ3.deq();
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storeReqQ.deq();
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storeReqQ.deq();
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endrule
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endrule
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rule loadReq1Blocked;
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rule loadReq1Blocked;
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$display("Trace FrameBuffer: check LoadQ1 %h", loadReqQ1.first);
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$display("Trace FrameBuffer: check LoadQ1 %h", loadReqQ1.first);
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endrule
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endrule
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rule loadReq2Blocked;
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rule loadReq2Blocked;
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$display("Trace FrameBuffer: check LoadQ2 %h", loadReqQ2.first);
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$display("Trace FrameBuffer: check LoadQ2 %h", loadReqQ2.first);
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endrule
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endrule
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rule loadReq3Blocked;
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rule loadReq3Blocked;
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$display("Trace FrameBuffer: check LoadQ3 %h", loadReqQ3.first);
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$display("Trace FrameBuffer: check LoadQ3 %h", loadReqQ3.first);
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endrule
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endrule
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interface Server server_load1;
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interface Server server_load1;
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interface Put request = fifoToPut(loadReqQ1);
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interface Put request = fifoToPut(loadReqQ1);
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interface Get response = fifoToGet(loadRespQ1);
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interface Get response = fifoToGet(loadRespQ1);
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endinterface
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endinterface
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interface Server server_load2;
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interface Server server_load2;
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interface Put request = fifoToPut(loadReqQ2);
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interface Put request = fifoToPut(loadReqQ2);
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interface Get response = fifoToGet(loadRespQ2);
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interface Get response = fifoToGet(loadRespQ2);
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endinterface
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endinterface
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interface Server server_load3;
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interface Server server_load3;
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interface Put request = fifoToPut(loadReqQ3);
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interface Put request = fifoToPut(loadReqQ3);
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interface Get response = fifoToGet(loadRespQ3);
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interface Get response = fifoToGet(loadRespQ3);
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endinterface
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endinterface
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interface Put server_store = fifoToPut(storeReqQ);
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interface Put server_store = fifoToPut(storeReqQ);
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endmodule
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endmodule
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endpackage
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endpackage
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