// Copyright (c) 2008-2009 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:

 // e32/include/iic_channel.inl

 // Channel

 //

 // WARNING: This file contains some APIs which are internal and are subject

 //          to change without noticed. Such APIs should therefore not be used

 //          outside the Kernel and Hardware Services package.

 //

 inline DIicBusChannel::DIicBusChannel(TChannelType aChanType, TBusType aBusType, TChannelDuplex aChanDuplex)

 	{

 	__KTRACE_OPT(KIIC, Kern::Printf("DIicBusChannel::DIicBusChannel, aChanType=%d, aBusType=%d, aChanDuplex=%d\n",aChanType,aBusType,aChanDuplex));

 	// Arbitary ...

 	iFlags=(TUint8)((aChanType&KChannelTypeMask) | ((aBusType<<KBusTypeShift)&KBusTypeMask) | ((aChanDuplex<<KChannelDuplexShift)&(KChannelDuplexMask)));

 	}

 inline DIicBusChannel::TChannelType DIicBusChannel::ChannelType() 

 	{return((TChannelType)(iFlags&KChannelTypeMask));}

 inline void DIicBusChannel::SetChannelType(TChannelType aChanType) 

 	{

 	iFlags &= ~KChannelTypeMask;

 	iFlags |= (aChanType & KChannelTypeMask);

 	};

 inline DIicBusChannel::TBusType DIicBusChannel::BusType() 

 	{return((TBusType)((iFlags & KBusTypeMask) >> KBusTypeShift));};

 inline void DIicBusChannel::SetBusType(TBusType aBusType) 

 	{

 	iFlags &= ~KBusTypeMask;

 	iFlags |= ((aBusType << KBusTypeShift) & KBusTypeMask);

 	};

 inline DIicBusChannel::TChannelDuplex DIicBusChannel::ChannelDuplex() 

 	{return((TChannelDuplex)((iFlags & KChannelDuplexMask) >> KChannelDuplexShift));};

 inline void DIicBusChannel::SetChannelType(TChannelDuplex aChanDuplex) 

 	{

 	iFlags &= ~KChannelDuplexMask;

 	iFlags |= ((aChanDuplex << KChannelDuplexShift) & KChannelDuplexMask);

 	};

 inline TInt8 DIicBusChannel::ChannelNumber() const 

 	{return iChannelNumber;};

 //

 //		Master Channel

 //

 // Methods to make private data of TIicBusTransfer object accessible to derivatives of this class

 inline TIicBusTransfer* DIicBusChannelMaster::GetTferNextTfer(const TIicBusTransfer* aTransfer) 

 	{return aTransfer->iNext;};

 inline TInt8 DIicBusChannelMaster::GetTferType(const TIicBusTransfer* aTransfer) 

 	{return aTransfer->iType;};

 inline TInt8 DIicBusChannelMaster::GetTferBufGranularity(const TIicBusTransfer* aTransfer) 

 	{return aTransfer->iBufGranularity;};

 inline const TDes8* DIicBusChannelMaster::GetTferBuffer(const TIicBusTransfer* aTransfer) 

 	{return aTransfer->iBuffer;};

 // Methods to make private data of TIicBusTransaction object accessible to derivatives of this class

 inline TDes8* DIicBusChannelMaster::GetTransactionHeader(const TIicBusTransaction* aTransaction) 

 	{return aTransaction->iHeader;};

 inline TIicBusTransfer* DIicBusChannelMaster::GetTransHalfDuplexTferPtr(const TIicBusTransaction* aTransaction)

 	{return aTransaction->iHalfDuplexTrans;};

 inline TIicBusTransfer* DIicBusChannelMaster::GetTransFullDuplexTferPtr(const TIicBusTransaction* aTransaction) 

 	{return aTransaction->iFullDuplexTrans;};

 inline TIicBusCallback* DIicBusChannelMaster::GetTransCallback(const TIicBusTransaction* aTransaction) 

 	{return aTransaction->iCallback;};

 inline TUint8 DIicBusChannelMaster::GetTransFlags(const TIicBusTransaction* aTransaction) 

 	{return aTransaction->iFlags;};

 // Methods to make private data of TIicBusTransactionPreamble object accessible to derivatives of this class

 inline TIicBusPreamble  DIicBusChannelMaster::GetPreambleFuncPtr(const TIicBusTransactionPreamble* aTransfer)

 	{return aTransfer->iPreamble;};

 inline TAny* DIicBusChannelMaster::GetPreambleFuncArg(const TIicBusTransactionPreamble* aTransfer)

 	{return aTransfer->iPreambleArg;};

 inline TIicBusMultiTranscCbFn  DIicBusChannelMaster::GetMultiTranscFuncPtr(const TIicBusTransactionMultiTransc* aTransfer)

 	{return aTransfer->iMultiTransc;};

 inline TAny* DIicBusChannelMaster::GetMultiTranscFuncArg(const TIicBusTransactionMultiTransc* aTransfer)

 	{return aTransfer->iMultiTranscArg;};

 inline TIicBusMultiTranscCbFn  DIicBusChannelMaster::GetExtTranscFuncPtr(const TIicBusTransactionPreambleExt* aTransfer)

 	{return aTransfer->iMultiTransc;};

 inline TAny* DIicBusChannelMaster::GetExtTranscFuncArg(const TIicBusTransactionPreambleExt* aTransfer)

 	{return aTransfer->iMultiTranscArg;};

 inline TInt8 DIicBusChannelSlave::GetMasterWaitTime() 

 	{return iMasterWaitTime;}

 inline TInt8 DIicBusChannelSlave::GetClientWaitTime() 

 	{return iClientWaitTime;};

 #ifndef STANDALONE_CHANNEL

 inline DIicBusChannelMasterSlave::DIicBusChannelMasterSlave(TBusType aBusType, TChannelDuplex aChanDuplex, DIicBusChannelMaster* aMasterChan, DIicBusChannelSlave* aSlaveChan)

 	: DIicBusChannel(DIicBusChannel::EMasterSlave, aBusType, aChanDuplex),

 	iMasterChannel(aMasterChan),

 	iSlaveChannel(aSlaveChan)

 	{

 	//If in stand-alone channel mode, the client assigns a channel number to the MasterSlave channel it creates. 

 	__ASSERT_ALWAYS(iMasterChannel->iChannelNumber == iSlaveChannel->iChannelNumber,Kern::Fault("MasterSlave channel number ambiguity",0));	

 	iChannelNumber = iMasterChannel->iChannelNumber;

 	}

 #endif

 inline TInt DIicBusChannelMasterSlave::DoCreate()

 	{

 	__ASSERT_ALWAYS(iMasterChannel && iSlaveChannel,Kern::Fault("MasterSlave channel not properly initialised",0));

 	TInt r=iMasterChannel->DoCreate();

 	if(r == KErrNone)

 		r=iSlaveChannel->DoCreate();

 	return r;

 	}

 inline TInt DIicBusChannelMasterSlave::CancelTransaction(TIicBusTransaction* aTransaction)

 	{return(iMasterChannel->CancelTransaction(aTransaction));}

 inline TInt DIicBusChannelMasterSlave::RegisterRxBuffer(TPtr8 aRxBuffer, TInt8 aBufGranularity, TInt8 aNumWords, TInt8 aOffset)

 	{return(iSlaveChannel->RegisterRxBuffer(aRxBuffer, aBufGranularity, aNumWords, aOffset));}

 inline TInt DIicBusChannelMasterSlave::RegisterTxBuffer(TPtr8 aTxBuffer, TInt8 aBufGranularity, TInt8 aNumWords, TInt8 aOffset)

 	{return(iSlaveChannel->RegisterTxBuffer(aTxBuffer, aBufGranularity, aNumWords, aOffset));}

 inline TInt DIicBusChannelMasterSlave::SetNotificationTrigger(TInt aTrigger)

 	{return(iSlaveChannel->SetNotificationTrigger(aTrigger));}

 #ifdef _DEBUG

 inline void DIicBusChannel::DumpChannel()

 	{

 	__KTRACE_OPT(KIIC, Kern::Printf("\n"));	// start

 	switch((TInt)ChannelType())

 		{

 		case(EMaster):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelType = EMaster\n"));

 			break;

 			}

 		case(ESlave):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelType = ESlave\n"));

 			break;

 			}

 		case(EMasterSlave):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelType = EMasterSlave\n"));

 			break;

 			}

 		default:

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelType %d is not recognised \n",((TInt)ChannelType())));

 		}

 	switch((TInt)BusType())

 		{

 		case(EI2c):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("BusType = EI2c\n"));

 			break;

 			}

 		case(ESpi):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("BusType = ESpi\n"));

 			break;

 			}

 		case(EMicrowire):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("BusType = EMicrowire\n"));

 			break;

 			}

 		case(ECci):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("BusType = ECci\n"));

 			break;

 			}

 		case(ESccb):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("BusType = ESccb\n"));

 			break;

 			}

 		default:

 			__KTRACE_OPT(KIIC, Kern::Printf("BusType %d is not recognised \n",((TInt)BusType())));

 		}

 	switch((TInt)ChannelDuplex())

 		{

 		case(EHalfDuplex):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelDuplex = EHalfDuplex\n"));

 			break;

 			}

 		case(EFullDuplex):

 			{

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelDuplex = EFullDuplex\n"));

 			break;

 			}

 		default:

 			__KTRACE_OPT(KIIC, Kern::Printf("ChannelDuplex %d is not recognised \n",((TInt)ChannelDuplex())));

 		}

 	}

 #endif