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os/kernelhwsrv/kerneltest/e32test/dma/d_dma.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32test\dma\d_dma.h

    15 // User-side API for LDD used to test DMA framework.

    16 // 

    17 //

    18 

    19 #ifndef __D_DMA_H__

    20 #define __D_DMA_H__

    21 

    22 #include <e32cmn.h>

    23 #ifndef __KLIB_H__

    24 #include <e32std.h>

    25 #endif

    26 

    27 #ifdef __DMASIM__

    28 _LIT(KTestDmaLddName, "TestDmaSim");

    29 #else

    30 _LIT(KTestDmaLddName, "TestDma");

    31 #endif

    32 

    33 inline TVersion TestDmaLddVersion() { return TVersion(1, 0, 1); }

    34 

    35 class RTestDma : public RBusLogicalChannel

    36 	{

    37 public:

    38 	struct TFragmentInfo

    39 		{

    40 		TInt iRequestIdx;

    41 		TInt iSrcBufIdx;

    42 		TInt iDestBufIdx;

    43 		TInt iSize;

    44 		TRequestStatus* iRs;

    45 		};

    46 	struct TOpenInfo

    47 		{

    48 		enum { EGetInfo, EOpen } iWhat;

    49 		union

    50 			{

    51 			TAny* iInfo;

    52 			struct

    53 				{

    54 				TUint32 iId;

    55 				TInt iDesCount;

    56 				TInt iMaxTransferSize;

    57 				} iOpen;

    58 			} U;

    59 		};

    60 	enum TControl

    61 		{

    62 		EAllocBuffer,

    63 		EFreeAllBuffers,

    64 		EFillBuffer,

    65 		ECheckBuffer,

    66 		EFragment,

    67 		EExecute,

    68 		EFailNext,

    69 		EFragmentCount,

    70 		EMissInterrupts,

    71 		};

    72 	enum { KMaxChannels = 32 };

    73 	struct TInfo

    74 		{

    75 		TInt iMaxTransferSize;

    76 		TUint iMemAlignMask;

    77 		TInt iMaxSbChannels;

    78 		TUint32 iSbChannels[KMaxChannels];

    79 		TInt iMaxDbChannels;

    80 		TUint32 iDbChannels[KMaxChannels];

    81 		TInt iMaxSgChannels;

    82 		TUint32 iSgChannels[KMaxChannels];

    83 		};

    84 public:

    85 #ifndef __KERNEL_MODE__

    86 	inline TInt GetInfo(TInfo& aInfo);

    87 	inline TInt Open(TUint32 aId, TInt aDesCount, TInt aMaxTransferSize);

    88 	inline TInt AllocBuffer(TInt aBufIdx, TInt aSize);

    89 	inline void FreeAllBuffers();

    90 	inline void FillBuffer(TInt aBufIdx, TUint8 aFillValue);

    91 	inline TBool CheckBuffer(TInt aBufIdx, TUint8 aValue);

    92 	inline TInt Fragment(TInt aRequestIdx, TInt aSrcBufIdx, TInt aDestBufIdx, TInt aSize, TRequestStatus* aRs=NULL);

    93 	inline TInt Execute(const TDesC8& aCmd);

    94 	inline TInt FailNext(TInt aFragmentCount);

    95 	inline TInt FragmentCount(TInt aRequestIdx);

    96 	inline TInt MissNextInterrupts(TInt aInterruptCount);

    97 	inline TBool FragmentCheck(TInt aRequestIdx, TInt aExpectedCount);

    98 #endif

    99 	};

   100 

   101 #ifndef __KERNEL_MODE__

   102 

   103 inline TInt RTestDma::GetInfo(TInfo& aInfo)

   104 	{

   105 	TPckgBuf<TOpenInfo> infoBuf;

   106 	infoBuf().iWhat = TOpenInfo::EGetInfo;

   107 	infoBuf().U.iInfo = &aInfo;

   108 	return DoCreate(KTestDmaLddName, TestDmaLddVersion(), 0, NULL, &infoBuf) == KErrDied ? KErrNone : KErrGeneral;

   109 	}

   110 

   111 inline TInt RTestDma::Open(TUint32 aId, TInt aDesCount, TInt aMaxTransferSize)

   112 	{

   113 	TPckgBuf<TOpenInfo> infoBuf;

   114 	infoBuf().iWhat = TOpenInfo::EOpen;

   115 	infoBuf().U.iOpen.iId = aId;

   116 	infoBuf().U.iOpen.iDesCount = aDesCount;

   117 	infoBuf().U.iOpen.iMaxTransferSize = aMaxTransferSize;

   118 	return DoCreate(KTestDmaLddName, TestDmaLddVersion(), 0, NULL, &infoBuf, EOwnerThread);

   119 	}

   120 

   121 inline TInt RTestDma::AllocBuffer(TInt aBufIdx, TInt aSize)

   122 	{

   123 	return DoControl(EAllocBuffer, (TAny*)aBufIdx, (TAny*)aSize);

   124 	}

   125 

   126 inline void RTestDma::FreeAllBuffers()

   127 	{

   128 	DoControl(EFreeAllBuffers, NULL, NULL);

   129 	}

   130 

   131 inline void RTestDma::FillBuffer(TInt aBufIdx, TUint8 aFillValue)

   132 	{

   133 	DoControl(EFillBuffer, (TAny*)aBufIdx, (TAny*)(TUint)aFillValue);

   134 	}

   135 

   136 inline TBool RTestDma::CheckBuffer(TInt aBufIdx, TUint8 aValue)

   137 	{

   138 	return DoControl(ECheckBuffer, (TAny*)aBufIdx, (TAny*)(TUint)aValue);

   139 	}

   140 

   141 inline TInt RTestDma::Fragment(TInt aRequestIdx, TInt aSrcBufIdx, TInt aDestBufIdx, TInt aSize, TRequestStatus* aRs)

   142 	{

   143 	TFragmentInfo info;

   144 	info.iRequestIdx = aRequestIdx;

   145 	info.iSrcBufIdx = aSrcBufIdx;

   146 	info.iDestBufIdx = aDestBufIdx;

   147 	info.iSize = aSize;

   148 	info.iRs = aRs;

   149 	if (aRs != NULL)

   150 		*aRs = KRequestPending;

   151 	return DoControl(EFragment, &info, NULL);

   152 	}

   153 

   154 inline TInt RTestDma::Execute(const TDesC8& aCmd)

   155 	{

   156 	return DoControl(EExecute, (TDesC8*)&aCmd, NULL);

   157 	}

   158 

   159 inline TInt RTestDma::FailNext(TInt aFragmentCount)

   160 	{

   161 	return DoControl(EFailNext, (TAny*)aFragmentCount, NULL);

   162 	}

   163 

   164 inline TInt RTestDma::FragmentCount(TInt aRequestIdx)

   165 	{

   166 	return DoControl(EFragmentCount, (TAny*)aRequestIdx, NULL);

   167 	}

   168 

   169 inline TInt RTestDma::MissNextInterrupts(TInt aInterruptCount)

   170 	{

   171 	return DoControl(EMissInterrupts, (TAny*)aInterruptCount, NULL);

   172 	}

   173 

   174 /**

   175 @param The number of fragments expected, 0 means don't check

   176 */

   177 inline TBool RTestDma::FragmentCheck(TInt aRequestIdx, TInt aExpectedCount)

   178 	{

   179 	if(aExpectedCount)

   180 		{

   181 		TInt actualCount = FragmentCount(aRequestIdx);

   182 		if(actualCount == aExpectedCount)

   183 			return ETrue;

   184 		else

   185 			{

   186 			RDebug::Printf("Fragment count error: expected %d, got %d", aExpectedCount, actualCount);

   187 			return EFalse;

   188 			}

   189 		}

   190 	else

   191 		return ETrue;

   192 	}

   193 #endif // #ifndef __KERNEL_MODE__

   194 

   195 #endif
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