// Copyright (c) 2010-2010 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:

// e32test\power\d_frqchg.h

// 

//

#if !defined(__D_FRQCHG_H__)

#define __D_FRQCHG_H__

#include <e32cmn.h>

struct SRatio;

struct SRatioInv;

#ifndef __KERNEL_MODE__

#include <e32std.h>

struct SRatio

	{

	TUint32		iM;		// mantissa, normalised so bit 31=1

	TInt16		iX;		// -exponent.

	TUint8		iSpare1;

	TUint8		iSpare2;

	};

struct SRatioInv

	{

	SRatio		iR;

	SRatio		iI;

	};

#endif

_LIT(KLddName,"D_FRQCHG.LDD");

class RFrqChg : public RBusLogicalChannel

	{

public:

	enum TControl

		{

		EControl_RatioSet,

		EControl_RatioReciprocal,

		EControl_RatioMult,

		EControl_RatioInvSet,

		EControl_FrqChgTestPresent,

		EControl_SetCurrentThreadPriority,

		EControl_SetCurrentThreadCpu,

		EControl_SetCurrentThreadTimeslice,

		EControl_SetLocalTimerPrescaler,

		EControl_ReadGlobalTimerAndTimestamp,

		EControl_SetGlobalTimerPrescaler,

		ENumControls

		};

public:

	inline TInt Open();

	inline TInt RatioSet(SRatio& aRatio, TUint32 aInt, TInt aDivisorExp=0);

	inline TInt RatioReciprocal(SRatio& aRatio);

	inline TInt RatioMult(SRatio& aRatio, TUint32& aInt32);

	inline TInt RatioInvSet(SRatioInv& aRI, const SRatio* aR);

	inline TInt FrqChgTestPresent();

	inline TInt SetCurrentThreadPriority(TInt aPri);

	inline TInt SetCurrentThreadCpu(TUint32 aCpu, TUint32* aOldAffinity = NULL);

	inline TInt SetCurrentThreadTimeslice(TInt aSlice);

	inline TInt SetLocalTimerPrescaler(TUint32 aCpus, TInt aPrescale);

	inline TInt ReadGlobalTimerAndTimestamp(TUint64& aTimerValue, TUint64& aTimestamp);

	inline TInt SetGlobalTimerPrescaler(TInt aPrescale);

	};

#ifndef __KERNEL_MODE__

inline TInt RFrqChg::Open()

	{ return DoCreate(KLddName,TVersion(0,1,1),KNullUnit,NULL,NULL); }

inline TInt RFrqChg::RatioSet(SRatio& aR, TUint32 aInt, TInt aDivisorExp)

	{ aR.iM=aInt; return DoControl(EControl_RatioSet, (TAny*)&aR, (TAny*)aDivisorExp); }

inline TInt RFrqChg::RatioReciprocal(SRatio& aR)

	{ return DoControl(EControl_RatioReciprocal, (TAny*)&aR); }

inline TInt RFrqChg::RatioMult(SRatio& aR, TUint32& aInt32)

	{ return DoControl(EControl_RatioMult, (TAny*)&aR, (TAny*)&aInt32); }

inline TInt RFrqChg::RatioInvSet(SRatioInv& aRI, const SRatio* aR)

	{ return DoControl(EControl_RatioInvSet, (TAny*)&aRI, (TAny*)aR); }

inline TInt RFrqChg::FrqChgTestPresent()

	{ return DoControl(EControl_FrqChgTestPresent); }

inline TInt RFrqChg::SetCurrentThreadPriority(TInt aPri)

	{ return DoControl(EControl_SetCurrentThreadPriority, (TAny*)aPri); }

inline TInt RFrqChg::SetCurrentThreadCpu(TUint32 aCpu, TUint32* aOldAffinity)

	{ return DoControl(EControl_SetCurrentThreadCpu, (TAny*)aCpu, (TAny*) aOldAffinity); }

inline TInt RFrqChg::SetCurrentThreadTimeslice(TInt aSlice)

	{ return DoControl(EControl_SetCurrentThreadTimeslice, (TAny*)aSlice); }

inline TInt RFrqChg::SetLocalTimerPrescaler(TUint32 aCpus, TInt aPrescale)

	{ return DoControl(EControl_SetLocalTimerPrescaler, (TAny*)aCpus, (TAny*)aPrescale); }

inline TInt RFrqChg::ReadGlobalTimerAndTimestamp(TUint64& aTimerValue, TUint64& aTimestamp)

	{ return DoControl(EControl_ReadGlobalTimerAndTimestamp, (TAny*)&aTimerValue, (TAny*) &aTimestamp); }

inline TInt RFrqChg::SetGlobalTimerPrescaler(TInt aPrescale)

	{ return DoControl(EControl_SetGlobalTimerPrescaler, (TAny*)aPrescale); }

#endif

#endif   //__D_FRQCHG_H__