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// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\dma\d_dma.h
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// User-side API for LDD used to test DMA framework.
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//
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//
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#ifndef __D_DMA_H__
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#define __D_DMA_H__
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#include <e32cmn.h>
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#ifndef __KLIB_H__
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#include <e32std.h>
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#endif
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#ifdef __DMASIM__
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_LIT(KTestDmaLddName, "TestDmaSim");
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#else
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_LIT(KTestDmaLddName, "TestDma");
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#endif
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inline TVersion TestDmaLddVersion() { return TVersion(1, 0, 1); }
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class RTestDma : public RBusLogicalChannel
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{
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public:
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struct TFragmentInfo
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{
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TInt iRequestIdx;
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TInt iSrcBufIdx;
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TInt iDestBufIdx;
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TInt iSize;
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TRequestStatus* iRs;
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};
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struct TOpenInfo
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{
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enum { EGetInfo, EOpen } iWhat;
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union
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{
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TAny* iInfo;
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struct
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{
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TUint32 iId;
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TInt iDesCount;
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TInt iMaxTransferSize;
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} iOpen;
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} U;
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};
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enum TControl
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{
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EAllocBuffer,
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EFreeAllBuffers,
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EFillBuffer,
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ECheckBuffer,
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EFragment,
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EExecute,
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EFailNext,
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EFragmentCount,
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EMissInterrupts,
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};
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enum { KMaxChannels = 32 };
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struct TInfo
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{
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TInt iMaxTransferSize;
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TUint iMemAlignMask;
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TInt iMaxSbChannels;
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TUint32 iSbChannels[KMaxChannels];
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TInt iMaxDbChannels;
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TUint32 iDbChannels[KMaxChannels];
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TInt iMaxSgChannels;
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TUint32 iSgChannels[KMaxChannels];
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};
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public:
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#ifndef __KERNEL_MODE__
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inline TInt GetInfo(TInfo& aInfo);
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inline TInt Open(TUint32 aId, TInt aDesCount, TInt aMaxTransferSize);
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inline TInt AllocBuffer(TInt aBufIdx, TInt aSize);
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inline void FreeAllBuffers();
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inline void FillBuffer(TInt aBufIdx, TUint8 aFillValue);
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inline TBool CheckBuffer(TInt aBufIdx, TUint8 aValue);
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inline TInt Fragment(TInt aRequestIdx, TInt aSrcBufIdx, TInt aDestBufIdx, TInt aSize, TRequestStatus* aRs=NULL);
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inline TInt Execute(const TDesC8& aCmd);
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inline TInt FailNext(TInt aFragmentCount);
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inline TInt FragmentCount(TInt aRequestIdx);
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inline TInt MissNextInterrupts(TInt aInterruptCount);
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inline TBool FragmentCheck(TInt aRequestIdx, TInt aExpectedCount);
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#endif
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};
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#ifndef __KERNEL_MODE__
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inline TInt RTestDma::GetInfo(TInfo& aInfo)
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{
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TPckgBuf<TOpenInfo> infoBuf;
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infoBuf().iWhat = TOpenInfo::EGetInfo;
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infoBuf().U.iInfo = &aInfo;
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return DoCreate(KTestDmaLddName, TestDmaLddVersion(), 0, NULL, &infoBuf) == KErrDied ? KErrNone : KErrGeneral;
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}
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inline TInt RTestDma::Open(TUint32 aId, TInt aDesCount, TInt aMaxTransferSize)
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{
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TPckgBuf<TOpenInfo> infoBuf;
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infoBuf().iWhat = TOpenInfo::EOpen;
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infoBuf().U.iOpen.iId = aId;
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infoBuf().U.iOpen.iDesCount = aDesCount;
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infoBuf().U.iOpen.iMaxTransferSize = aMaxTransferSize;
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return DoCreate(KTestDmaLddName, TestDmaLddVersion(), 0, NULL, &infoBuf, EOwnerThread);
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}
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inline TInt RTestDma::AllocBuffer(TInt aBufIdx, TInt aSize)
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{
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return DoControl(EAllocBuffer, (TAny*)aBufIdx, (TAny*)aSize);
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}
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inline void RTestDma::FreeAllBuffers()
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{
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DoControl(EFreeAllBuffers, NULL, NULL);
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}
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inline void RTestDma::FillBuffer(TInt aBufIdx, TUint8 aFillValue)
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{
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DoControl(EFillBuffer, (TAny*)aBufIdx, (TAny*)(TUint)aFillValue);
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}
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inline TBool RTestDma::CheckBuffer(TInt aBufIdx, TUint8 aValue)
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{
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return DoControl(ECheckBuffer, (TAny*)aBufIdx, (TAny*)(TUint)aValue);
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}
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inline TInt RTestDma::Fragment(TInt aRequestIdx, TInt aSrcBufIdx, TInt aDestBufIdx, TInt aSize, TRequestStatus* aRs)
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{
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TFragmentInfo info;
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info.iRequestIdx = aRequestIdx;
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info.iSrcBufIdx = aSrcBufIdx;
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info.iDestBufIdx = aDestBufIdx;
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info.iSize = aSize;
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info.iRs = aRs;
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if (aRs != NULL)
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*aRs = KRequestPending;
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return DoControl(EFragment, &info, NULL);
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}
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inline TInt RTestDma::Execute(const TDesC8& aCmd)
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{
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return DoControl(EExecute, (TDesC8*)&aCmd, NULL);
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}
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inline TInt RTestDma::FailNext(TInt aFragmentCount)
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{
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return DoControl(EFailNext, (TAny*)aFragmentCount, NULL);
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}
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inline TInt RTestDma::FragmentCount(TInt aRequestIdx)
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{
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return DoControl(EFragmentCount, (TAny*)aRequestIdx, NULL);
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}
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inline TInt RTestDma::MissNextInterrupts(TInt aInterruptCount)
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{
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return DoControl(EMissInterrupts, (TAny*)aInterruptCount, NULL);
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}
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/**
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@param The number of fragments expected, 0 means don't check
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*/
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inline TBool RTestDma::FragmentCheck(TInt aRequestIdx, TInt aExpectedCount)
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{
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if(aExpectedCount)
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{
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TInt actualCount = FragmentCount(aRequestIdx);
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if(actualCount == aExpectedCount)
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return ETrue;
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else
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{
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RDebug::Printf("Fragment count error: expected %d, got %d", aExpectedCount, actualCount);
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return EFalse;
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}
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}
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else
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return ETrue;
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}
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#endif // #ifndef __KERNEL_MODE__
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#endif
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