// Copyright (c) 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:

#include <kernel/kernel.h>

#include <drivers/mmc.h>

#include <drivers/sdcard.h>

#include <drivers/sdio/sdio.h>

#include <drivers/d_sdapc.h>

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "locmedia_ost.h"

#ifdef __VC32__

#pragma warning(disable: 4127) // disabling warning "conditional expression is constant"

#endif

#include "d_sdapcTraces.h"

#endif

_LIT(KLddName,"D_SDAPC");

const TInt KMajorVersionNumber=1;

const TInt KMinorVersionNumber=0;

const TInt KBuildVersionNumber=1;

const TInt KSocketNumber = 0;

const TInt KStackNumber  = 0;

const TInt KCardNumber   = 0;

// global Dfc Que

TDynamicDfcQue* gDfcQ;

class DSDAuxiliaryPowerControlFactory : public DLogicalDevice

//

// LDD factory

//

	{

public:

	DSDAuxiliaryPowerControlFactory();

	~DSDAuxiliaryPowerControlFactory();

	virtual TInt Install(); 					//overriding pure virtual

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

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

	};

class DSDAuxiliaryPowerControl : public DLogicalChannel

//

// Logical channel

//

	{

public:

	DSDAuxiliaryPowerControl();

	virtual ~DSDAuxiliaryPowerControl();

protected:

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

	virtual void HandleMsg(class TMessageBase *);

private:

	static void BusCallBack(TAny* aPtr, TInt aReason, TAny* a1, TAny* a2);

	TInt PowerUpStack();

private:

	DMMCSocket* iSocketP;

	DMMCStack*  iStackP;

	TSDCard*  iCardP;

	DThread* iClient;

	TPBusCallBack iBusCallBack;		

	DSemaphore* iPowerUpSemaphore;

	TBool iInitialised;

	};

DECLARE_STANDARD_LDD()

	{

	return new DSDAuxiliaryPowerControlFactory;

	}

DSDAuxiliaryPowerControlFactory::DSDAuxiliaryPowerControlFactory()

//

// Constructor

//

	{

    OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROLFACTORY_DSDAUXILIARYPOWERCONTROLFACTORY, "DSDAuxiliaryPowerControlFactory::DSDAuxiliaryPowerControlFactory");

	__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDAuxiliaryPowerControlFactory::DSDAuxiliaryPowerControlFactory"));

    iParseMask=KDeviceAllowUnit;

	iUnitsMask=0xffffffff;

	iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);

	}

TInt DSDAuxiliaryPowerControlFactory::Create(DLogicalChannelBase*& aChannel)

//

// Create a new DSDAuxiliaryPowerControl on this logical device

//

	{

    OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROLFACTORY_CREATE, "DSDAuxiliaryPowerControlFactory::Create");

	__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDAuxiliaryPowerControlFactory::Create"));

	aChannel=new DSDAuxiliaryPowerControl;

	return aChannel ? KErrNone : KErrNoMemory;

	}

const TInt KDSDAuxiliaryPowerControlApiThreadPriority = 27;

_LIT(KDSDAuxiliaryPowerControlApiThread,"DSDAuxiliaryPowerControlApiThread");

TInt DSDAuxiliaryPowerControlFactory::Install()

//

// Install the LDD - overriding pure virtual

//

	{

	// Allocate a kernel thread to run the DFC 

	TInt r = Kern::DynamicDfcQCreate(gDfcQ, KDSDAuxiliaryPowerControlApiThreadPriority, KDSDAuxiliaryPowerControlApiThread);

	if (r != KErrNone)

		return r; 	

	return SetName(&KLddName);

	}

void DSDAuxiliaryPowerControlFactory::GetCaps(TDes8& aDes) const

//

// Get capabilities - overriding pure virtual

//

	{

	TCapsTestV01 b;

	b.iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);

    Kern::InfoCopy(aDes,(TUint8*)&b,sizeof(b));

	}

/**

  Destructor

*/

DSDAuxiliaryPowerControlFactory::~DSDAuxiliaryPowerControlFactory()

	{

    OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROLFACTORY_DSDAUXILIARYPOWERCONTROLFACTORY_DTOR, "DSDAuxiliaryPowerControlFactory::~DSDAuxiliaryPowerControlFactory");

	__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDAuxiliaryPowerControlFactory::~DSDAuxiliaryPowerControlFactory"));

	if (gDfcQ)

		gDfcQ->Destroy();

	}

void DSDAuxiliaryPowerControl::BusCallBack(TAny* aPtr, TInt aReason, TAny* a1, TAny* a2)

	{

	DSDAuxiliaryPowerControl* pTest = (DSDAuxiliaryPowerControl*)aPtr;

	TPBusState busState = (TPBusState) (TInt) a1;

	switch (aReason)

		{

		case TPBusCallBack::EPBusStateChange:

			if (busState != EPBusPoweringUp)

				Kern::SemaphoreSignal(*(pTest->iPowerUpSemaphore));

			break;

		}

	}

TInt DSDAuxiliaryPowerControl::PowerUpStack()

	{

	iBusCallBack.iFunction = BusCallBack;

	iBusCallBack.iPtr=this;

	iBusCallBack.SetSocket(iSocketP->iSocketNumber);

	iBusCallBack.Add();

	TInt r = Kern::SemaphoreCreate(iPowerUpSemaphore, _L("SDPowerUpSem"), 0);

	if (r == KErrNone)

		{

		r = iSocketP->PowerUp();

		if (r == KErrNone)

			Kern::SemaphoreWait(*iPowerUpSemaphore);

		}

	return r;

	}

TInt DSDAuxiliaryPowerControl::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& aVer)

//

// Create channel

//

	{

    OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_1, "DSDAuxiliaryPowerControl::DoCreate()");

	__KTRACE_OPT(KPBUS1, Kern::Printf(">DSDAuxiliaryPowerControl::DoCreate()"));

	if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber),aVer))

		return KErrNotSupported;

	//

	// Obtain the appropriate card from the socket/stack

	//

	iSocketP = static_cast<DMMCSocket*>(DPBusSocket::SocketFromId(KSocketNumber));

	if(iSocketP == NULL)

		{

        OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_2, "DSDAuxiliaryPowerControl::DoCreate() : Didn't obtain socket");

		__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::DoCreate() : Didn't obtain socket"));

		return KErrNoMemory;

		}

	iStackP = static_cast<DSDStack*>(iSocketP->Stack(KStackNumber));

	if(iStackP == NULL)

		{

        OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_3, "DSDAuxiliaryPowerControl::DoCreate() : Didn't obtain stack");

		__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::DoCreate() : Didn't obtain stack"));

		return KErrNoMemory;

		}

	iCardP = static_cast<TSDCard*>(iStackP->CardP(KCardNumber));

	if(iCardP == NULL)

		{

        OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_4, "DSDAuxiliaryPowerControl::DoCreate() : Didn't obtain card");

		__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::DoCreate() : Didn't obtain card"));

		return KErrNoMemory;

		}

	SetDfcQ(gDfcQ);

	iMsgQ.Receive();

	// Make sure stack is powered up

	TInt r = PowerUpStack();

	if (r != KErrNone && r != KErrCompletion)

		{

        OstTrace1( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_5, "DSDAuxiliaryPowerControl::DoCreate() : Failed To Power up stack, r = %d", r);

		__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::DoCreate() : Failed To Power up stack, r = %d", r));

		return r;

		}

	if(!iCardP->IsReady())

		{

        OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_6, "DSDAuxiliaryPowerControl::DoCreate() : Card not ready");

		__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::DoCreate() : Card not ready"));

		return KErrNotReady;

		}

	if(!iCardP->ClientsRegistered())

		{		

		iCardP->RegisterClient();

		((DSDIOPsu*)(iSocketP->iVcc))->Lock();

		TBool locked = ((DSDIOPsu*)(iSocketP->iVcc))->IsLocked();

		OstTrace1( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DOCREATE_7, "DSDAuxiliaryPowerControl::DoCreate() : PSU IsLocked(), locked = %d", locked);

		__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::DoCreate() : PSU IsLocked(), locked = %d", locked));

		if(!locked)

			return KErrNotReady;

		}

	return KErrNone;

	}

DSDAuxiliaryPowerControl::DSDAuxiliaryPowerControl()

//

// Constructor

//

	{

	iClient=&Kern::CurrentThread();

	((DObject*)iClient)->Open();

	}

DSDAuxiliaryPowerControl::~DSDAuxiliaryPowerControl()

//

// Destructor

//

	{

    OstTrace0( TRACE_FLOW, DSDAUXILIARYPOWERCONTROL_DSDAUXILIARYPOWERCONTROL_DTOR, "DSDAuxiliaryPowerControl::~DSDAuxiliaryPowerControl");

	__KTRACE_OPT(KPBUS1, Kern::Printf("DSDAuxiliaryPowerControl::~DSDAuxiliaryPowerControl"));

	iBusCallBack.Remove();

	if (iSocketP)

		iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusMediaNormal, NULL);

	if(iCardP->ClientsRegistered())

		{		

		iCardP->DeregisterClient();

		((DSDIOPsu*)(iSocketP->iVcc))->Unlock();

		}

	iPowerUpSemaphore->Close(NULL);

	Kern::SafeClose((DObject*&)iClient,NULL);

	}

void DSDAuxiliaryPowerControl::HandleMsg(TMessageBase* aMsg)

    {

    TThreadMessage& m=*(TThreadMessage*)aMsg;

    TInt id=m.iValue;

	if (id==(TInt)ECloseMsg)

		{

		if (iSocketP)

			iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusMediaNormal, NULL);

		m.Complete(KErrNone, EFalse);

		return;

		}

    else if (id==KMaxTInt)

		{

		// DoCancel

		m.Complete(KErrNone,ETrue);

		return;

		}

	}