diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/sounddevbt/src/A2dpBlueTooth/server/A2dpBTHeadsetAudioIfClientServer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/sounddevbt/src/A2dpBlueTooth/server/A2dpBTHeadsetAudioIfClientServer.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,83 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __A2DPBTHEADSETAUDIOIFCLIENTSERVER_H__
+#define __A2DPBTHEADSETAUDIOIFCLIENTSERVER_H__
+
+#include <e32base.h>
+#include <e32std.h>
+#include <mmf/server/sounddevice.h>	// for TMMFStereoSupport
+
+// Message opcodes between client and server
+enum TBTAudioServerRequest
+	{
+	EBTAudioServerInitialize,
+	EBTAudioServerCancelInitialize,
+	EBTAudioServerCopyFourCCArrayData,
+	EBTAudioServerCopyChannelsArrayData,
+	EBTAudioServerCopyDiscreteArrayData,
+	EBTAudioServerCopyRangeArrayData,
+	EBTAudioServerGetSupportedDataTypes,
+	EBTAudioServerGetSupportedSampleRates,	
+	EBTAudioServerGetSupportedSampleRatesDiscrete,
+	EBTAudioServerGetSupportedSampleRatesRange,
+	EBTAudioServerGetSupportedChannels,
+	EBTAudioServerGetStereoSupport,
+	EBTAudioServerSetDataType,
+	EBTAudioServerSetSampleRate,
+	EBTAudioServerSetChannels,
+	EBTAudioServerOpenDevice,
+	EBTAudioServerCancelOpenDevice,
+	EBTAudioServerCloseDevice,
+	EBTAudioServerVolume,
+	EBTAudioServerSetVolume,
+	EBTAudioServerPlayData,
+	EBTAudioServerCancelPlayData,
+	EBTAudioServerFlushBuffer,
+	EBTAudioServerBytesPlayed,
+	EBTAudioServerResetBytesPlayed,
+	EBTAudioServerPauseBuffer,
+	EBTAudioServerResumePlaying,
+	EBTAudioServerNotifyError,
+	EBTAudioServerCancelNotifyError,
+	EBTAudioServerSelectSEP,
+	EBTAudioServerConfigure,
+	EBTAudioServerConnect,
+	EBTAudioServerSetReadyForStreaming,
+	EBTAudioServerSetSniffMode
+	};
+
+class TBTDevAddr;
+
+// Helper class to pass the number of elements in both the discrete and range
+// arrays across the cli/srvr boundary in one shot.
+class TRatesArrayElements
+	{
+public:
+	TInt iDiscrete;
+	TInt iRange;
+	};
+
+/**
+ * TODO - sys doc.
+ */
+class TChannelsSupport
+	{
+public:
+	TUint iElementCount;
+	TMMFStereoSupport iSupport;
+	};
+
+#endif