--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bthci/bthci2/hctl/interface/hctlchannelobserver.h	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,74 @@
+// Copyright (c) 2006-2009 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:
+//
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef HCTLCHANNELOBSERVER_H
+#define HCTLCHANNELOBSERVER_H
+
+#include <e32base.h>
+
+/** Definition of the HCI transport channel type */
+typedef TUint16 THCITransportChannel;	
+
+/** No HCI transport channels available for sending */
+static const THCITransportChannel KHCITransportNoChannels		= 0x0000;
+
+/** Command HCI transport channel available for sending */
+static const THCITransportChannel KHCITransportCommandChannel	= 0x0001;
+
+/** ACL data HCI transport channel available for sending */
+static const THCITransportChannel KHCITransportACLDataChannel	= 0x0002;
+
+/** SCO data HCI transport channel available for sending */
+static const THCITransportChannel KHCITransportSCODataChannel	= 0x0004;
+
+/** All HCI transport channels available for sending */
+static const THCITransportChannel KHCITransportAllChannels = static_cast<THCITransportChannel>(KHCITransportCommandChannel | 
+																							   KHCITransportACLDataChannel | 
+																							   KHCITransportSCODataChannel);
+
+/** The UID associated with the MHCTLChannelObserver interface. */
+const TInt KHCTLChannelObserverUid = 0x102736EF;
+
+/**
+API for observing information regarding the status of a HCTL channel.
+
+This should be implemented by the stack so it can control the multiplexing
+of the command and data sent over the HCTL.
+*/
+class MHCTLChannelObserver
+	{
+public:
+	/**
+	Indication that a HCTL channel has been opened.
+
+	@param aChannel A bitmask containing the channels which are now open.
+	*/
+	virtual void MhcoChannelOpen(THCITransportChannel aChannels) =0;
+
+	/**
+	Indication that a HCTL channel has been closed.
+
+	@param aChannel A bitmask containing the channels which are now closed.
+	*/
+	virtual void MhcoChannelClosed(THCITransportChannel aChannels) =0;
+	};
+
+#endif // HCTLCHANNELOBSERVER_H