sl@0: // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\realtime\d_latncy.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #if !defined(__D_LATNCY_H__)
sl@0: #define __D_LATNCY_H__
sl@0: #include <e32cmn.h>
sl@0: #ifndef __KERNEL_MODE__
sl@0: #include <e32std.h>
sl@0: #endif
sl@0: 
sl@0: #if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
sl@0: #include <shared_timer.h>
sl@0: #endif
sl@0: 
sl@0: #if !defined(__EPOC32__) || !defined(__CPU_X86)
sl@0: #if !defined(__SMP__)
sl@0: #define __CAPTURE_EXTRAS
sl@0: #endif
sl@0: #endif
sl@0: 
sl@0: _LIT(KLatencyLddName,"Latency");
sl@0: 
sl@0: class TCapsLatencyV01
sl@0: 	{
sl@0: public:
sl@0: 	TVersion	iVersion;
sl@0: 	};
sl@0: 
sl@0: struct SLatencyResults
sl@0: 	{
sl@0: 	TUint iIntRetAddr;
sl@0: 	TUint iIntTicks;
sl@0: 	TUint iKernThreadTicks;
sl@0: 	TUint iUserThreadTicks;
sl@0: 	TUint iIntSpsr;
sl@0: 	TUint iIntR14;
sl@0: 	};
sl@0: 
sl@0: class RLatency : public RBusLogicalChannel
sl@0: 	{
sl@0: public:
sl@0: 	enum TControl
sl@0: 		{
sl@0: 		EControlStart,
sl@0: 		EControlTicksPerMs,
sl@0: 		EControlGetResults,
sl@0: 		};
sl@0: public:
sl@0: 	inline TInt Open();
sl@0: 	inline void Start();
sl@0: 	inline TUint TicksPerMs();
sl@0: 	inline TInt GetResults(SLatencyResults& aResults);
sl@0: 	};
sl@0: 
sl@0: #ifndef __KERNEL_MODE__
sl@0: inline TInt RLatency::Open()
sl@0: 	{ return DoCreate(KLatencyLddName,TVersion(1,0,1),KNullUnit,NULL,NULL); }
sl@0: 
sl@0: inline void RLatency::Start()
sl@0: 	{ DoControl(EControlStart); }
sl@0: 
sl@0: inline TUint RLatency::TicksPerMs()
sl@0: 	{ return (TUint)DoControl(EControlTicksPerMs); }
sl@0: 
sl@0: inline TInt RLatency::GetResults(SLatencyResults& aResults)
sl@0: 	{ return DoControl(EControlGetResults,&aResults); }
sl@0: #endif
sl@0: 
sl@0: #ifdef __KERNEL_MODE__
sl@0: class DLatencyPowerHandler;
sl@0: class DLatency : public DLogicalChannelBase
sl@0: 	{
sl@0: public:
sl@0: 	DLatency();
sl@0: 	~DLatency();
sl@0: protected:
sl@0: 	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
sl@0: 	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
sl@0: public:
sl@0: 	TInt StartTimer();
sl@0: 	void StopTimer();
sl@0: 	static void MsCallBack(TAny*);
sl@0: 	static void MsDfc(TAny*);
sl@0: #if defined( __MISA__) || defined(__MCOT__) || defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
sl@0: 	inline TUint Ticks();
sl@0: #elif defined(__EPOC32__) && defined(__CPU_X86)
sl@0: 	static TUint Ticks();
sl@0: #else
sl@0: 	inline static TUint Ticks();
sl@0: #endif
sl@0: 
sl@0: #if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
sl@0: private:
sl@0: 	void DisableTimer();
sl@0: 	TInt ConfigureTimer();
sl@0: #endif
sl@0: public:
sl@0: 	NTimer iMsCallBack;
sl@0: 	TDynamicDfcQue* iRtDfcQ;
sl@0: 	TDfc iMsDfc;
sl@0: 	SLatencyResults iResults;
sl@0: #if !defined(__SMP__)
sl@0: 	TUint* iIntStackTop;
sl@0: #endif
sl@0: 	DThread* iClient;
sl@0: 	DLatencyPowerHandler* iPowerHandler;
sl@0: 	TUint8 iOff;
sl@0: 	TUint8 iStarted;
sl@0: 	TUint8 iPad2;
sl@0: 	TUint8 iPad3;
sl@0: #if defined( __MISA__) || defined(__MCOT__)
sl@0: 	TUint iTickIncrement;
sl@0: 	TUint iTriggerTime;
sl@0: #endif
sl@0: #if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
sl@0: 	TUint8 iGPTimerId;
sl@0: 	SOmapTimerInfo iTimerInfo;
sl@0: 	TUint iTimerLoadValue;
sl@0: #endif
sl@0: 	};
sl@0: #endif
sl@0: 
sl@0: #endif