/*

* 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 MMCLDD_H_

#define MMCLDD_H_

#include <mmc.h>

#include "LddAsyncRequest.h"

/**

 * LDD factory object for MMCSD

 *

 */

class DLddFactoryMmcCntrlInterface : public DLogicalDevice

	{

public:

	DLddFactoryMmcCntrlInterface();

	virtual ~DLddFactoryMmcCntrlInterface();

	virtual TInt Install();

	virtual void GetCaps(TDes8 &aDes) const;

	virtual TInt Create(DLogicalChannelBase*& aChannel); 	//overriding pure virtual

	};

/**

 * MMCSD LDD logical channel

 *

 */

class DLddMmcCntrlInterface : public DLogicalChannel , MAsyncRequestObserver

	{

public:

	DLddMmcCntrlInterface();

	~DLddMmcCntrlInterface();

protected:

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

	virtual void HandleMsg(class TMessageBase *);

private:

	void DoCancel(TInt aReqNo);

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

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

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

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

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

	// async request methods

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

	TInt SocketDoRequest(TRequestStatus* aStatus, TAny* a1, TAny *a2, TInt aCommand);

	TInt StackConfigureEffectiveModes(TInt aEffectiveModesFunctionId, TAny* aParam);

	// FROM MAsyncRequestObserver

	virtual void Notify(DLddAsyncRequest& aRequest);

private:

	enum TMmcAsyncCmd {EMmcSesNone,EMmcSesReadBlk,EMmcSesWriteBlk, EMmcSesReadCSD, EMmcSesReadExtCSD, EMMcSocketPowerUp, EMMcStackPowerUp};	

	DMmcSessionAsyncRequest* CreateAsyncSessionRequest(TMmcAsyncCmd aCommand, TRequestStatus* aStatus);

	DBusEventRequest* CreateAsyncBusEventRequest(TMmcAsyncCmd aCommand, TRequestStatus* aStatus, TInt aUnit);

	TBool RequestStatusExists(TRequestStatus* aStatus);

	void ClearRequest(DLddAsyncRequest* aRequest);

private:

    enum TPanic {EReadDes,EWriteDes,EWriteTInt,EUnknownMmcSes};

    TInt iStackNum;

    DMMCPsu* iPsu;

    DMMCMediaChange* iMediaChange;

  	DMMCSocket* iSocket;

  	DMMCStack* iStack;

    TMMCard* iCard;

	DThread* iClient;

	TCSD iCSD;

	TExtendedCSD iExtendedCSD;

	TBool iIsSD;	

	RPointerArray<DLddAsyncRequest> iAsyncList;

	TMMCStackConfig iStackConfig;

	TInt			iUnit;

	};

#endif /*MMCLDD_H_*/