Subversion Repositories sdhc-sc-core

// SDHC-SC-Core

// Secure Digital High Capacity Self Configuring Core

//

// (C) Copyright 2010, Rainer Kastl

// 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 the  nor the

//       names of its contributors may be used to endorse or promote products

//       derived from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  "AS IS" AND

// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

// DISCLAIMED. IN NO EVENT SHALL  BE LIABLE FOR ANY

// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

// (INCLUDING, BUT NOT LIMITED TO, 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.

//

// File        : SdBFM.sv

// Owner       : Rainer Kastl

// Description : SD BFM

// Links       :

//

`ifndef SDBFM_SV

`define SDBFM_SV

`include "SdBusInterface.sv"

`include "Crc.sv"

`include "Logger.sv"

`include "SDCommandArg.sv"

`include "SdBusTrans.sv"

typedef enum {

        standard,

        wide

} Mode_t;

class SdBFM;

        virtual ISdBus.card ICard;

        SdBfmMb ReceivedTransMb;

        SdBfmMb SendTransMb;

        Mode_t Mode;

        extern function new(virtual ISdBus card);

        extern task start(); // starts a thread for receiving and sending via mailboxes

        extern function void stop(int AfterCount); // stop the thread

        extern task send(input SdBusTrans token);

        extern task sendBusy();

        extern task receive(output SdBusTransToken token);

        extern task receiveDataBlock(output SdDataBlock block);

        extern task waitUntilReady();

        extern local task sendCmd(inout SdBusTransData data);

        extern local task sendAllDataBlocks(SdDataBlock blocks[]);

        extern local task sendDataBlock(SdDataBlock block);

        extern local task sendStandardDataBlock(logic data[$]);

        extern local task sendWideDataBlock(logic data[$]);

        extern local task recvDataBlock(output SdDataBlock block);

        extern local task recvStandardDataBlock(output SdDataBlock block);

        extern local task recvWideDataBlock(output SdDataBlock block);

        extern local task recv(output SdBusTransToken token);

        extern local task receiveOrSend();

        extern local task run();

        extern local function void compareCrc16(aCrc16 actual, aCrc16 expected);

        local semaphore Sem;

        local Logger Log;

        local int StopAfter = -1;

endclass

`include "SdBFM-impl.sv";

`endif