// Copyright (c) 1997-2009 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\system\d_mstim.cpp

// LDD for testing millisecond timer

// 

//

#include "plat_priv.h"

#if defined(__MEIG__)

#include <cl7211.h>

#elif defined(__MAWD__)

#include <windermere.h>

#elif defined(__MISA__)

#include <sa1100.h>

#elif defined(__MCOT__)

#include <cotulla.h>

#elif defined(__IS_OMAP1510__) || defined(__IS_OMAP1610__) 

#include <omap.h>

#include <omap_timer.h>

#elif defined(__MI920__) || defined(__NI1136__)

#ifdef __MI920__

#define USE_CM920_FRC

#endif

#ifdef USE_CM920_FRC

#include <iolines.h>

#else

#include <integratorap.h>

#endif

#elif defined(__RVEMUBOARD__)

#include <rvemuboard.h>

#elif defined(__NE1_TB__)

#include <upd35001_timer.h>

#endif

#include "d_mstim.h"

#include "../misc/prbs.h"

#if defined(__WINS__)

typedef Int64 TCounter;

typedef Int64 TDelta;

const TDelta KMaxDelta = 0x7fffffffffffffff;

const TDelta KMinDelta = 0x8000000000000000;

#else

typedef TUint TCounter;

typedef TInt TDelta;

const TDelta KMaxDelta = KMaxTInt;

const TDelta KMinDelta = KMinTInt;

#endif

#ifdef __MISA__

inline TCounter TIMER()

	{ return *(volatile TUint*)KHwRwOstOscr; }

#endif

#if defined(__IS_OMAP1510__) || defined(__IS_OMAP1610__) 

inline TCounter TIMER()

	{ return TOmapTimer::Timer3Value(); }

#endif

#ifdef __MCOT__

inline TCounter TIMER()

	{ return *(volatile TUint*)KHwRwOstOscr; }

#endif

#ifdef __MAWD__

inline TCounter TIMER()

	{ return *(volatile TUint*)(KWindBaseAddress+KWindTimer1Value16)&0xffff; }

#endif

#ifdef __MEIG__

inline TCounter TIMER()

{ return *(volatile TUint*)(KEigerBaseAddress+KEigerTimer1Data16)&0xffff;}

#endif

#if defined(__MI920__) || defined(__NI1136__)

inline TCounter TIMER()

#ifdef USE_CM920_FRC

	{ return *(volatile TUint*)(KHwRwCoreClkCounter);}		// 32-bit Core module counter inc's at 24MHz

#else

	{ return *(volatile TUint*)(KHwCounterTimer1+KHoTimerValue)&0xffff;}

#endif

#endif

#if defined(__RVEMUBOARD__)

inline TCounter TIMER()

	{ return *(volatile TUint*)(KHwCounterTimer1+KHoTimerValue)&0xffff;}

#endif

#ifdef __NE1_TB__

inline TCounter TIMER()

	{ return NETimer::Timer(5).iTimerCount; }

#endif

#if defined(__EPOC32__) && defined(__CPU_X86)

TCounter TIMER();

void SetUpTimerChannel2();

#endif

#ifdef __WINS__

inline TCounter TIMER()

	{

	LARGE_INTEGER c;

	QueryPerformanceCounter(&c);

	return c.QuadPart;

	}

#endif

#if defined(__MISA__) || (defined(USE_CM920_FRC) && (defined(__MI920__) || defined(__NI1136__)))

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return final-initial; }				// SA1100 timer counts up

#endif

#if defined(__MCOT__)

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return final-initial; }				// Cotulla timer counts up

#endif

#if defined(__MAWD__) || defined(__MEIG__) || (!defined(USE_CM920_FRC) && (defined(__MI920__) || defined(__NI1136__))) 

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return (initial-final)&0xffff; }		// Eiger/Windermere/Integrator timer counts down

#endif

#if defined(__IS_OMAP1510__) || defined(__IS_OMAP1610__)

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return (initial-final);}		// OMAP timer counts down

#endif

#if defined(__EPOC32__) && defined(__CPU_X86)

TDelta TimeDelta(TUint initial, TUint final)

	{

	TUint tickdiff=(initial-final)&0xffff;

	TUint msdiff=((final>>16)-(initial>>16))&0xffff;

	msdiff=1193*msdiff-tickdiff;

	msdiff=(msdiff+32768)&~0xffff;

	return msdiff+tickdiff;

	}

#endif

#ifdef __NE1_TB__

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return final - initial; }

#endif

#ifdef __WINS__

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return final-initial; }		// counts up

#endif

#if defined(__RVEMUBOARD__)

inline TDelta TimeDelta(TCounter initial, TCounter final)

	{ return (initial-final)&0xffff; }		// Timer counts down

#endif

const TInt KMajorVersionNumber=0;

const TInt KMinorVersionNumber=1;

const TInt KBuildVersionNumber=1;

const TInt KMaxMsTim=9;

const TInt KMaxMsTimR=9;

TInt TicksToMicroseconds(TDelta aTicks)

	{

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

	Int64 ticks(aTicks);

	ticks*=(1000000);

	ticks+=KHwOscFreqHz/2;		// 3.6864MHz tick

	ticks/=KHwOscFreqHz;

	return (TInt)ticks;

#endif

#if defined(__IS_OMAP1510__) || defined(__IS_OMAP1610__) 

	// Timer runs at 12Mhz/32 = 375kHz. Each tick is 2.66...us which is 16/6us

	aTicks<<=4;		// * 16

	aTicks+=3;	    // rounding to the closest number of us

	return (TInt)(aTicks/6);	// us = (ticks*16+3)/6

#endif

#if defined(__MI920__) || defined(__NI1136__)

#if defined(USE_CM920_FRC)

	Int64 ticks(aTicks);

	ticks*=(1000000);

	ticks+=24000000/2;

	ticks/=24000000;

	return (TInt)ticks;

#else

	aTicks<<=14;	// 1 tick = 32/3 us

	aTicks+=768;	// round

	return (TInt)(aTicks/1536);

#endif

#endif

#if defined(__RVEMUBOARD__)

	return (TInt)(aTicks*256);  // 1 tick = 256 us

#endif

#if defined(__MAWD__) || defined(__MEIG__)

	return aTicks*500;					// 2kHz tick

#endif

#if defined(__NE1_TB__)

	NETimer& T5 = NETimer::Timer(5);

	TUint prescale = __e32_find_ms1_32(T5.iPrescaler & 0x3f);

	TInt f = 66666667 >> prescale;

	TInt64 x = I64LIT(1000000);

	x *= TInt64(aTicks);

	x += TInt64(f>>1);

	x /= TInt64(f);

	return (TInt)x;

#endif

#if defined(__EPOC32__) && defined(__CPU_X86)

	TInt x = aTicks;

	TInt y = x;

	y -= ((3*x)>>4);	// * 0.D

	y += (aTicks>>12);	// * 0.D00D

	TInt z = (6*x)>>8;	// * 0.06

	y += z;				// * 0.D60D

	y += (x>>9);		// * 0.D68D

	y += (z>>16);		// * 0.D68D6

	y += (z>>20);		// * 0.D68D66

	return y;

#endif

#ifdef __WINS__

	LARGE_INTEGER f;

	QueryPerformanceFrequency(&f);

	aTicks*=1000000;

	aTicks+=f.QuadPart-1;

	aTicks/=f.QuadPart;

	return (TInt)aTicks;

#endif

	}

void InitTimer()

	{

#ifdef __MAWD__

	// Set up timer 1 as free running 2kHz clock

	TWind::SetBuzzerControl(0);		// disable buzzer

	TWind::SetTimer1Control(KWindTimer1ControlTimerEnable);

	TWind::SetTimer1Load(0);

#endif

#ifdef __MEIG__

	// Set up timer 1 as free running 2kHz clock

	TEiger::ModifyControl21(KEigerControlTimer1PreOrFree|KEigerControlTimer1K512OrK2|

							KEigerControlBuzzerToggle|KEigerControlBuzzerTimer1OrToggle,0);

	TEiger::SetTimer1Data(0);

#endif

#if defined(__MISA__)

	// MISA free running counter is always active - no initialisation required

#endif

#if defined(__IS_OMAP1510__) || defined(__IS_OMAP1610__)

	// Set up Timer3 as a free-running timer at 12Mhz/32 = 375kHz

	TOmapTimer::SetTimer3Ctrl(	TOmapTimer::KHtOSTimer_Cntl_Ar

									| TOmapTimer::KHtOSTimer_Cntl_Free

									| TOmapTimer::KHtOSTimer_Cntl_ClkEnable );

	TOmapTimer::SetTimer3Prescale( TOmapTimer::EPrescaleBy32 );

	// Autoreload 0xFFFFFFFF to effectively wrap from zero back to 0xFFFFFFFF

	TOmapTimer::SetTimer3LoadTim( 0xFFFFFFFF );

	TOmapTimer::StartTimer3();

#endif

#if defined(__MI920__) || defined(__NI1136__)

#if !defined(USE_CM920_FRC)

    TIntegratorAP::SetTimerMode(TIntegratorAP::ECounterTimer1, TIntegratorAP::ETimerModeFreeRunning);

    TIntegratorAP::SetTimerPreScale(TIntegratorAP::ECounterTimer1, TIntegratorAP::ETimerPreScaleDiv256);	// 93.75kHz wrap 699ms

    TIntegratorAP::EnableTimer(TIntegratorAP::ECounterTimer1, TIntegratorAP::EEnable);

#endif

#endif

#if defined(__RVEMUBOARD__)

	// Switch timer 1 to a 1MHz clock in the system controller Ctrl register

	TRvEmuBoard::SetSCCtrl(KTimer1EnSel);

	// Set up timer 1 as free running 3.90625kHz clock

	TRvEmuBoard::SetTimerMode(KHwCounterTimer1, TRvEmuBoard::ETimerModeFreeRunning);

	TRvEmuBoard::SetTimerPreScale(KHwCounterTimer1, TRvEmuBoard::ETimerPreScaleDiv256);// 3.90625kHz wrap 16.777s

	TRvEmuBoard::EnableTimer(KHwCounterTimer1, TRvEmuBoard::EEnable);

#endif

#if defined(__NE1_TB__)

    // set up timer 5

    NETimer& T5 = NETimer::Timer(5);

	T5.iTimerCtrl = 0;						// stop and reset timer 5

	T5.iGTICtrl = 0;						// disable timer 5 capture modes

	__e32_io_completion_barrier();

	T5.iPrescaler = KNETimerPrescaleBy32;	// Timer 5 prescaled by 32 (=2.0833MHz)

	__e32_io_completion_barrier();

	T5.iGTInterruptEnable = 0;

	__e32_io_completion_barrier();

	T5.iGTInterrupt = KNETimerGTIInt_All;

	__e32_io_completion_barrier();

	T5.iTimerCtrl = KNETimerCtrl_CE;		// deassert reset for timer 5, count still stopped

	__e32_io_completion_barrier();

	T5.iTimerReset = 0xffffffffu;			// timer 5 wraps after 2^32 counts

	__e32_io_completion_barrier();

	T5.iTimerCtrl = KNETimerCtrl_CE | KNETimerCtrl_CAE;	// start timer 5

	__e32_io_completion_barrier();		

#endif

#if defined(__EPOC32__) && defined(__CPU_X86)

	// Set up timer channel 2 as free running counter at 14318180/12 Hz

	SetUpTimerChannel2();

#endif

	}

// global Dfc Que

TDynamicDfcQue* gDfcQ;

class NTimerQTest

	{

public:

	static inline NTimerQ& Timer()

		{ return *(NTimerQ*)NTimerQ::TimerAddress(); }

	static inline TUint32 MsCount()

		{ return Timer().iMsCount; }

	static inline void Setup(TAny* aPtr)

		{ NTimerQ& m=Timer(); m.iDebugFn=Test; m.iDebugPtr=aPtr; }

	static inline void Stop()

		{ NTimerQ& m=Timer(); m.iDebugFn=NULL; m.iDebugPtr=NULL; }

	static inline TBool XferC()

		{ return Timer().iTransferringCancelled; }

	static inline TBool CritC()

		{ return Timer().iCriticalCancelled; }

	static void Test(TAny* aPtr, TInt aPos);

	};

class DMsTim;

class TMsTim : public NTimer

	{

public:

	enum TMode

		{

		EIntAfter,

		EDfcAfter,

		EIntAgain,

		EDfcAgain,

		EIntCancel,

		EDfcCancel,

		EUserDfcAfter

		};

	enum TModeX

		{

		EIntAgainOnce=7,

		EUserDfcAgainOnce

		};

public:

	TMsTim();

	~TMsTim();

	TInt Create();

	TInt Start(TInt aMode, TInt aInterval, TInt aParam);

	static void MsCallBack(TAny* aPtr);

	static void IDfcFn(TAny* aPtr);

	static void DfcFn(TAny* aPtr);

	void CompleteClient(TInt aValue);

public:

	TMode iMode;

	TInt iInterval;

	TInt iParam;

	TCounter iStartTime;

	TDelta iMin;

	TDelta iMax;

	Int64 iTotal;

	TInt iCount;

	DMsTim* iLdd;

	TInt iId;

	TClientRequest* iRequest;

	TDfc iIDfc;

	TDfc iCompletionDfc;

	};

class TMsTimRand : public NTimer

	{

public:

	TMsTimRand();

#ifdef __SMP__

	~TMsTimRand();

#endif

	TInt Start(TInt aInterval, DMsTim* aLdd, TInt aPos);

	static void MsCallBack(TAny* aPtr);

	void FillWithGarbage(TUint aFillValue);

public:

	TInt iInterval;

	TCounter iStartTime;

	DMsTim* iLdd;

	};

class DMsTimFactory : public DLogicalDevice

//

// Millisecond timer LDD factory

//

	{

public:

	DMsTimFactory();

	~DMsTimFactory();

	virtual TInt Install();						//overriding pure virtual

	virtual void GetCaps(TDes8& aDes) const;	//overriding pure virtual

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

	};

class DMsTim : public DLogicalChannel

//

// Millisecond timer LDD channel

//

	{

public:

	DMsTim();

	~DMsTim();

protected:

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

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

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

	virtual void HandleMsg(TMessageBase* aMsg);

public:

	void TimerExpired(TInt anId);

	inline DThread* Client() { return iThread; }

public:

	DThread* iThread;

	TMsTim iMsTim[KMaxMsTim];

	TMsTimRand iMsTimR[KMaxMsTimR];

	TInt iRandMin;

	TInt iRandMax;

	TInt iXferC;

	TInt iCritC;

	TInt iStartFail;

	TInt iCallBacks;

	TInt iCompletions;

	TUint iSeed[2];

	};

TMsTim::TMsTim()

	:	NTimer(MsCallBack,this),

		iMode(EIntAfter),

		iInterval(0),

		iParam(0),

		iStartTime(0),

		iMin(KMaxDelta),

		iMax(KMinDelta),

		iTotal(0),

		iCount(0),

		iRequest(NULL),

		iIDfc(IDfcFn,this),

		iCompletionDfc(DfcFn,this,gDfcQ,1)

	{

	}

TMsTim::~TMsTim()

	{

	Kern::DestroyClientRequest(iRequest);

#ifdef __SMP__

	NTimer* nt = STATIC_CAST(NTimer*,this);

	new (nt) NTimer(&MsCallBack, this);	// so NTimer destructor doesn't kill us

#endif

	}

TInt TMsTim::Create()

	{

	return Kern::CreateClientRequest(iRequest);

	}

void TMsTim::IDfcFn(TAny* aPtr)

	{

	TMsTim& m=*(TMsTim*)aPtr;

	TInt c = NKern::CurrentContext();

	__NK_ASSERT_ALWAYS(c == NKern::EIDFC);

	__NK_ASSERT_ALWAYS(NKern::KernelLocked(1));

	m.iCompletionDfc.DoEnque();

	}

void TMsTim::DfcFn(TAny* aPtr)

	{

	TMsTim& m=*(TMsTim*)aPtr;

	if (m.iMode==EUserDfcAfter)

		{

		TCounter timer_val=TIMER();

		TDelta time=TimeDelta(m.iStartTime, timer_val);

		++m.iCount;

		if (time<m.iMin)

			m.iMin=time;

		if (time>m.iMax)

			m.iMax=time;

		m.iTotal+=time;

		}

	m.iLdd->TimerExpired(m.iId);

	}

void TestThreadContext()

	{

	TInt c1 = NKern::CurrentContext();

	NKern::Lock();

	TInt c2 = NKern::CurrentContext();

	NKern::Unlock();

	__NK_ASSERT_ALWAYS((c1 == NKern::EThread) && (c2 == NKern::EThread));

	}

void TMsTim::MsCallBack(TAny* aPtr)

	{

	TInt c = NKern::CurrentContext();

	TCounter timer_val=TIMER();

	TMsTim& m=*(TMsTim*)aPtr;

	TDelta time=TimeDelta(m.iStartTime, timer_val);

	if (++m.iCount>0 || (m.iMode!=EIntAgain && m.iMode!=EDfcAgain))

		{

		if (time<m.iMin)

			m.iMin=time;

		if (time>m.iMax)

			m.iMax=time;

		m.iTotal+=time;

		}

	switch (m.iMode)

		{

		case EIntAfter:

			__NK_ASSERT_ALWAYS(c == NKern::EInterrupt);

			m.iIDfc.Add();

			break;

		case EDfcAfter:

			TestThreadContext();

			m.iCompletionDfc.Enque();