// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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

 @internalComponent

*/

#ifndef OTGDI_H

#define OTGDI_H

class DUsbOtgDriver;

/**

  OTGDI is designed to be called solely from USBMAN

*/

const TUint32 KUsbmanSvrUid = {0x101FE1DB};

/**

  Logical Device (Factory Class) for USB OTG Driver

*/

class DUsbOtgDriverFactory : public DLogicalDevice

	{

public:

	DUsbOtgDriverFactory();

	~DUsbOtgDriverFactory();

	// Inherited from DLogicalDevice

	virtual TInt Install();

	virtual void GetCaps( TDes8& aDes ) const;

	virtual TInt Create( DLogicalChannelBase*& aChannel );

	};

/**

  Communication Channel between User and Kernel for USB OTG Driver

*/

class DUsbOtgDriverChannel : public DLogicalChannel

	{

public:

	DUsbOtgDriverChannel();

	virtual ~DUsbOtgDriverChannel();

	// Inherited from DObject

	virtual TInt DoCreate( TInt aUnit, const TDesC8* anInfo, const TVersion& aVer );

	// Inherited from DLogicalChannel

	virtual void HandleMsg( TMessageBase* aMsg );

	virtual TInt SendMsg(TMessageBase* aMsg);

private:

	// Implementation for the different kinds of messages sent through RBusLogicalChannel

	TInt DoControl( TInt aFunction, TAny* a1, TAny* a2 );

	TInt DoRequest( TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2 );

	void DoCancel( TUint aMask );

	TInt SendRequest(TMessageBase* aMsg);

private:

	// Stack lock/unlock protected methods

	TInt ProtectedControl( TInt aFunction );

private:

	DUsbOtgDriver*	iOtgDriver;

	DThread*		iClient;

	};

#endif // OTGDI_H