sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\multimedia\d_mmcsc.h
sl@0: // The interface to a device driver which creates a shared chunk - for use with the sound driver tests.
sl@0: // This driver uses only generic kernel APIs and so need not be built from each variant.
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0:  @test
sl@0: */
sl@0: 
sl@0: #if !defined(__D_MMCSC_H__)
sl@0: #define __D_MMCSC_H__
sl@0: 
sl@0: #include <e32cmn.h>
sl@0: #ifndef __KERNEL_MODE__
sl@0: #include <e32std.h>
sl@0: #endif
sl@0: 
sl@0: _LIT(KDevMmCScName,"MmCSc");
sl@0: 
sl@0: const TInt KMmCScBufSize=153600;	// 150K
sl@0: const TInt KMmCScNumBuffers=8;
sl@0: 
sl@0: struct SBufSpecList
sl@0: 	{
sl@0: 	/** The first entry of the buffer offset list. This list holds the offset from the start of the chunk
sl@0: 	for each buffer. This list is only valid if the flag KScFlagBufOffsetListInUse is set in
sl@0: 	TSharedChunkBufConfigBase::iFlags. */
sl@0: 	TInt iBufferOffset;
sl@0: 	TInt iBufferId;
sl@0: 	};
sl@0: 
sl@0: class TMmSharedChunkBufConfig : public TSharedChunkBufConfigBase
sl@0: 	{
sl@0: public:
sl@0: 	/** The buffer offset list. This holds the offset from the start of the chunk for each buffer. This list is
sl@0: 	only valid if the flag KScFlagBufOffsetListInUse is set in TSharedChunkBufConfigBase::iFlags. */
sl@0: 	struct SBufSpecList iSpec[KMmCScNumBuffers];
sl@0: 	};
sl@0: 
sl@0: class TCapsMmCScV01
sl@0: 	{
sl@0: public:
sl@0: 	TVersion iVersion;
sl@0: 	};
sl@0: 
sl@0: class RMmCreateSc : public RBusLogicalChannel
sl@0: 	{
sl@0: public:
sl@0: 	enum TControl
sl@0: 		{ EGetChunkHandle,EGetBufInfo };
sl@0: #ifndef __KERNEL_MODE__
sl@0: public:
sl@0: 	inline TInt Open()
sl@0: 		{ return DoCreate(KDevMmCScName,TVersion(0,1,1),KNullUnit,NULL,NULL,EOwnerThread);}
sl@0: 	inline TInt GetChunkHandle(RChunk& aChunk)
sl@0: 		{ return(aChunk.SetReturnedHandle(DoControl(EGetChunkHandle)));}
sl@0: 	inline TInt GetBufInfo(TDes8& aBufInfo)
sl@0: 		{ return(DoControl(EGetBufInfo,(TAny*)&aBufInfo));}
sl@0: #endif
sl@0: 	};
sl@0: 
sl@0: #endif // __D_MMCSC_H__