// Copyright (c) 1999-2009 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:

// e32test\realtime\d_latncy.h

// 

//

#if !defined(__D_LATNCY_H__)

#define __D_LATNCY_H__

#include <e32cmn.h>

#ifndef __KERNEL_MODE__

#include <e32std.h>

#endif

#if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)

#include <shared_timer.h>

#endif

#if !defined(__EPOC32__) || !defined(__CPU_X86)

#if !defined(__SMP__)

#define __CAPTURE_EXTRAS

#endif

#endif

_LIT(KLatencyLddName,"Latency");

class TCapsLatencyV01

	{

public:

	TVersion	iVersion;

	};

struct SLatencyResults

	{

	TUint iIntRetAddr;

	TUint iIntTicks;

	TUint iKernThreadTicks;

	TUint iUserThreadTicks;

	TUint iIntSpsr;

	TUint iIntR14;

	};

class RLatency : public RBusLogicalChannel

	{

public:

	enum TControl

		{

		EControlStart,

		EControlTicksPerMs,

		EControlGetResults,

		};

public:

	inline TInt Open();

	inline void Start();

	inline TUint TicksPerMs();

	inline TInt GetResults(SLatencyResults& aResults);

	};

#ifndef __KERNEL_MODE__

inline TInt RLatency::Open()

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

inline void RLatency::Start()

	{ DoControl(EControlStart); }

inline TUint RLatency::TicksPerMs()

	{ return (TUint)DoControl(EControlTicksPerMs); }

inline TInt RLatency::GetResults(SLatencyResults& aResults)

	{ return DoControl(EControlGetResults,&aResults); }

#endif

#ifdef __KERNEL_MODE__

class DLatencyPowerHandler;

class DLatency : public DLogicalChannelBase

	{

public:

	DLatency();

	~DLatency();

protected:

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

	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);

public:

	TInt StartTimer();

	void StopTimer();

	static void MsCallBack(TAny*);

	static void MsDfc(TAny*);

#if defined( __MISA__) || defined(__MCOT__) || defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)

	inline TUint Ticks();

#elif defined(__EPOC32__) && defined(__CPU_X86)

	static TUint Ticks();

#else

	inline static TUint Ticks();

#endif

#if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)

private:

	void DisableTimer();

	TInt ConfigureTimer();

#endif

public:

	NTimer iMsCallBack;

	TDynamicDfcQue* iRtDfcQ;

	TDfc iMsDfc;

	SLatencyResults iResults;

#if !defined(__SMP__)

	TUint* iIntStackTop;

#endif

	DThread* iClient;

	DLatencyPowerHandler* iPowerHandler;

	TUint8 iOff;

	TUint8 iStarted;

	TUint8 iPad2;

	TUint8 iPad3;

#if defined( __MISA__) || defined(__MCOT__)

	TUint iTickIncrement;

	TUint iTriggerTime;

#endif

#if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)

	TUint8 iGPTimerId;

	SOmapTimerInfo iTimerInfo;

	TUint iTimerLoadValue;

#endif

	};

#endif

#endif