diff -r 000000000000 -r a41df078684a kernel/eka/include/drivers/iic_transaction.inl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/drivers/iic_transaction.inl	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,245 @@
+// 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_transaction.inl 
+//
+
+inline TIicBusTransfer::TIicBusTransfer() 
+    : iBuffer(NULL), iNext(NULL), iTransaction(NULL) {}
+
+inline TIicBusTransfer::TIicBusTransfer(TReqType aType, TInt8 aGranularity, TDes8* aBuffer) : iType((TInt8)aType), iNext(NULL)
+    {
+    __ASSERT_ALWAYS(aBuffer && aGranularity && aBuffer->Size()%(((aGranularity-1)>>3)+1)==0,Kern::Fault("TIicBusTransfer",__LINE__));
+    iBufGranularity=aGranularity;
+    iBuffer=aBuffer;
+    }
+
+inline void TIicBusTransfer::LinkAfter(TIicBusTransfer* aPrev)
+    {
+    __ASSERT_ALWAYS(aPrev && aPrev->WordWidth()==iBufGranularity,Kern::Fault("LinkAfter",__LINE__));
+    iNext=aPrev;
+    }
+
+inline TInt8 TIicBusTransfer::WordWidth() 
+    {return iBufGranularity;}
+
+inline TIicBusTransfer::TReqType TIicBusTransfer::Direction() 
+    {return (TIicBusTransfer::TReqType)iType;}
+
+inline TInt TIicBusTransfer::Length()
+    {
+    TInt8 granularityInBytes = (TInt8)(((iBufGranularity-1)>>3)+1);
+    return(iBuffer->Size()/granularityInBytes);
+    }
+
+inline const TIicBusTransfer* TIicBusTransfer::Next() 
+    {return iNext;}
+
+inline TInt TIicBusTransfer::SetTransferData(TReqType aType, TInt8 aGranularity, TDes8* aBuffer)
+    {
+    __ASSERT_ALWAYS(aBuffer && aGranularity && aBuffer->Size()%(((aGranularity-1)>>3)+1)==0,Kern::Fault("TIicBusTransfer",__LINE__));
+    if((iTransaction==NULL)||(iTransaction->State()==TIicBusTransaction::EFree))
+        {
+        iType = (TInt8)aType;
+        iBufGranularity = aGranularity;
+        iBuffer = aBuffer;
+        return KErrNone;
+        }
+    return KErrInUse;
+    }
+
+inline TIicBusTransaction::TIicBusTransaction(): iHeader(NULL), iFlags(NULL), iState(EFree),
+    iHalfDuplexTrans(NULL), iFullDuplexTrans(NULL), iCallback(NULL){}
+
+inline TIicBusTransaction::TIicBusTransaction(TDes8* aHeader, TIicBusTransfer* aHdTrans, TInt aPriority) :
+    iHeader(aHeader), iFlags(NULL), iState(EFree), iHalfDuplexTrans(aHdTrans),
+    iFullDuplexTrans(NULL), iCallback(NULL)
+    {
+    __ASSERT_ALWAYS((((TUint)aPriority<(TUint)KNumTrancPriorities)&&((TUint)aPriority>=0)),Kern::Fault("TIicBusTransaction",__LINE__));
+    __ASSERT_ALWAYS(aHeader && aHdTrans,Kern::Fault("TIicBusTransaction",__LINE__));
+    iKey = aPriority;
+    }
+
+inline TIicBusTransaction::~TIicBusTransaction()
+    {__ASSERT_ALWAYS(iState==TIicBusTransaction::EFree,Kern::Fault("~TIicBusTransaction",__LINE__));}
+
+inline TInt TIicBusTransaction::SetHalfDuplexTrans(TDes8* aHeader, TIicBusTransfer* aHdTrans)
+    {
+    __ASSERT_ALWAYS(aHeader && aHdTrans, Kern::Fault("SetHalfDuplexTrans",__LINE__));
+    __ASSERT_ALWAYS(iState==TIicBusTransaction::EFree,Kern::Fault("SetHalfDuplexTrans",__LINE__));
+    iHeader = aHeader;
+    iHalfDuplexTrans = aHdTrans;
+    while(aHdTrans)
+        {
+        aHdTrans->iTransaction=this;
+        aHdTrans = (TIicBusTransfer*)(aHdTrans->Next());
+        }
+    return KErrNone;
+    }
+
+// The client interface for setting full duplex transaction: the API checks that it is possible to have the 2 transactions done in parallel.
+// It does not check if the channel supports full duplex, so the transaction may still fail at queuing time.
+inline TInt TIicBusTransaction::SetFullDuplexTrans(TIicBusTransfer* aFdTrans)
+    {
+    __ASSERT_ALWAYS(aFdTrans,Kern::Fault("SetFullDuplexTrans",__LINE__));
+    __ASSERT_ALWAYS(iState==TIicBusTransaction::EFree,Kern::Fault("SetFullDuplexTrans",__LINE__));
+    TIicBusTransfer* local = iHalfDuplexTrans;
+    TIicBusTransfer* remote = aFdTrans;
+    while(local && remote)
+        {
+        if(local->Direction()==remote->Direction())
+            return KErrNotSupported;
+        if(local->Next() && local->Length()<remote->Length())
+            return KErrNotSupported;
+        if(remote->Next() && remote->Length()<local->Length())
+            return KErrNotSupported;
+        local = (TIicBusTransfer*)(local->Next());
+        remote = (TIicBusTransfer*)(remote->Next());
+        }
+    iFullDuplexTrans = aFdTrans;
+    while(aFdTrans)
+        {
+        aFdTrans->iTransaction=this;
+        aFdTrans = (TIicBusTransfer*)(aFdTrans->Next());
+        }
+    return KErrNone;
+    }
+
+inline TInt TIicBusTransaction::RemoveTrans(TIicBusTransfer* aTrans)
+    {
+    __ASSERT_ALWAYS(aTrans,Kern::Fault("RemoveTrans",__LINE__));
+    __ASSERT_ALWAYS(iState==TIicBusTransaction::EFree,Kern::Fault("RemoveTrans",__LINE__));
+    TIicBusTransfer* ptr = aTrans;
+    while(ptr!=NULL)
+        {
+        ptr->iTransaction = NULL;
+        ptr = (TIicBusTransfer*)(ptr->Next());
+        }
+    aTrans=NULL;
+    return KErrNone;
+    }
+
+inline TInt TIicBusTransaction::RemoveHalfDuplexTrans() 
+    {return RemoveTrans(iHalfDuplexTrans);};
+
+inline TInt TIicBusTransaction::RemoveFullDuplexTrans() 
+    {return RemoveTrans(iFullDuplexTrans);};
+
+inline TUint TIicBusTransaction::Flags()
+    {return iFlags;}
+
+inline TIicBusTransaction::TIicBusTransaction(TDes8* aHeader, TIicBusTransfer* aHdTrans, TUint8 aFlags, TInt aPriority) : 
+    iHeader(aHeader), iFlags(aFlags), iHalfDuplexTrans(aHdTrans), iFullDuplexTrans(NULL), iCallback(NULL)
+    {
+    __ASSERT_ALWAYS(aHeader && aHdTrans,Kern::Fault("TIicBusTransaction",__LINE__));
+    iKey = aPriority;
+    }
+
+inline TUint8 TIicBusTransaction::State() 
+    {return iState;}
+
+inline TInt TIicBusTransaction::GetBusId() 
+    {return iBusId;}
+
+inline TIicBusCallback::TIicBusCallback(TIicBusCbFn aFn, TAny* aPtr, TDfcQue* aQue, TInt aPriority) 
+    : TDfc(DfcFunc, this, aQue, aPriority), iTransaction(NULL), iParam(aPtr), iCallback(aFn) {}
+
+inline TIicBusCallback::~TIicBusCallback()
+    {__ASSERT_ALWAYS(!iTransaction || iTransaction->State()==TIicBusTransaction::EFree,Kern::Fault("~TIicBusCallback",__LINE__));}       
+
+inline void TIicBusCallback::DfcFunc(TAny* aPtr)
+    {
+    TIicBusCallback* pCb = (TIicBusCallback*) aPtr;
+    pCb->iCallback(pCb->iTransaction, pCb->iBusId, pCb->iResult, pCb->iParam);
+    }
+
+inline TIicBusSlaveCallback::TIicBusSlaveCallback(TIicBusSlaveCbFn aFn, TAny* aPtr, TDfcQue* aQue, TInt aPriority):  
+    TDfc(DfcFunc, this, aQue, aPriority), iParam(aPtr), iCallback(aFn) { }
+
+inline void TIicBusSlaveCallback::SetReturn(TInt aRet) 
+    {iReturn=aRet;}
+
+inline void TIicBusSlaveCallback::SetTxWords(TInt16 aTxWords) 
+    {iTxWords=aTxWords;}
+
+inline void TIicBusSlaveCallback::SetRxWords(TInt16 aRxWords) 
+    {iRxWords=aRxWords;} 
+
+inline TInt TIicBusSlaveCallback::GetTrigger() 
+    {return iTrigger;}
+
+inline void TIicBusSlaveCallback::SetTrigger(TInt aTrigger) 
+    {iTrigger = aTrigger;}
+
+inline TIicBusTransactionPreamble::TIicBusTransactionPreamble(TDes8* aHeader, TIicBusTransfer* aHdTrans, TIicBusPreamble aPreamble, TAny* aArg, TInt aPriority) :
+    TIicBusTransaction(aHeader, aHdTrans, KTransactionWithPreamble, aPriority), iPreamble(aPreamble), iPreambleArg(aArg)
+    {}
+
+inline TIicBusTransactionPreamble::TIicBusTransactionPreamble(TDes8* aHeader, TIicBusTransfer* aHdTrans, TIicBusPreamble aPreamble, TAny* aArg, TUint8 aFlags, TInt aPriority) :
+    TIicBusTransaction(aHeader, aHdTrans, aFlags, aPriority), iPreamble(aPreamble), iPreambleArg(aArg)
+    {}
+
+inline TIicBusTransactionMultiTransc::TIicBusTransactionMultiTransc(TDes8* aHeader, TIicBusTransfer* aHdTrans, TIicBusMultiTranscCbFn aMultiTransc, TAny* aArg, TInt aPriority) :
+    TIicBusTransaction(aHeader, aHdTrans, KTransactionWithMultiTransc, aPriority), iMultiTransc(aMultiTransc), iMultiTranscArg(aArg)
+    {}
+
+inline TIicBusTransactionPreambleExt::TIicBusTransactionPreambleExt(TDes8* aHeader, TIicBusTransfer* aHdTrans,
+    TIicBusPreamble aPreamble, TAny* aPreambleArg,
+    TIicBusMultiTranscCbFn aMultiTransc, TAny* aMultiTranscArg, TInt aPriority) :
+    TIicBusTransactionPreamble(aHeader, aHdTrans, aPreamble, aPreambleArg, KTransactionWithPreamble|KTransactionWithMultiTransc, aPriority),
+    iMultiTransc(aMultiTransc), iMultiTranscArg(aMultiTranscArg)
+    {}
+
+inline static TInt CreateSpiBuf(TConfigSpiBufV01*& aBuf,
+                                TSpiWordWidth   aWordWidth,
+                                TInt32          aClkSpeedHz,
+                                TSpiClkMode     aClkMode,
+                                TInt32          aTimeoutPeriod,
+                                TEndianness     aEndianness,
+                                TBitOrder       aBitOrder,
+                                TUint           aTransactionWaitCycles,
+                                TSpiSsPinMode   aSSPinActiveMode)
+// Utility function to create a buffer for the SPI bus
+    {
+    aBuf = new TConfigSpiBufV01();
+    if(aBuf==NULL)
+        return KErrNoMemory;
+    TConfigSpiV01 *buf = &((*aBuf)());
+    buf->iWordWidth = aWordWidth;
+    buf->iClkSpeedHz = aClkSpeedHz;
+    buf->iClkMode = aClkMode;
+    buf->iTimeoutPeriod = aTimeoutPeriod;
+    buf->iEndianness = aEndianness;
+    buf->iBitOrder = aBitOrder;
+    buf->iTransactionWaitCycles = aTransactionWaitCycles;
+    buf->iSSPinActiveMode = aSSPinActiveMode;
+    return KErrNone;
+    }
+
+inline static TInt CreateI2cBuf(TConfigI2cBufV01*& aBuf,
+                                TI2cAddrType    aAddrType,
+                                TInt32          aClkSpeedHz,
+                                TEndianness     aEndianness,
+                                TInt32          aTimeoutPeriod)
+// Utility function to create a buffer for the I2C bus
+    {
+    aBuf = new TConfigI2cBufV01();
+    if(aBuf==NULL)
+        return KErrNoMemory;
+    TConfigI2cV01 *buf = &((*aBuf)());
+    buf->iAddrType = aAddrType;
+    buf->iClkSpeedHz = aClkSpeedHz;
+    buf->iEndianness = aEndianness;
+    buf->iTimeoutPeriod = aTimeoutPeriod;
+    return KErrNone;
+    }