williamr@2: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@2: // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: // which accompanies this distribution, and is available
williamr@2: // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: // e32\include\drivers\dma.inl
williamr@2: // DMA framework public inline functions
williamr@2: // This file should not be modified when porting the DMA framework to
williamr@2: // new hardware.
williamr@2: // TDmaChannel
williamr@2: // 
williamr@2: //
williamr@2: 
williamr@2: inline void TDmaChannel::Wait()
williamr@2: 	{
williamr@2: 	NKern::FMWait(&iLock);
williamr@2: 	}
williamr@2: 
williamr@2: inline void TDmaChannel::Signal()
williamr@2: 	{
williamr@2: 	NKern::FMSignal(&iLock);
williamr@2: 	}
williamr@2: 
williamr@2: inline TBool TDmaChannel::IsOpened() const
williamr@2: 	{
williamr@2: 	return iController != NULL;
williamr@2: 	}
williamr@2: 
williamr@2: inline TBool TDmaChannel::IsQueueEmpty() const
williamr@2: 	{
williamr@2: 	return const_cast<TDmaChannel*>(this)->iReqQ.IsEmpty();
williamr@2: 	}
williamr@2: 
williamr@2: inline TUint32 TDmaChannel::PslId() const
williamr@2: 	{
williamr@2: 	return iPslId;
williamr@2: 	}
williamr@2: 
williamr@2: inline TInt TDmaChannel::FailNext(TInt /*aFragmentCount*/)
williamr@2: 	{
williamr@2: 	return iController->FailNext(*this);
williamr@2: 	}
williamr@2: 
williamr@2: inline TInt TDmaChannel::MissNextInterrupts(TInt aInterruptCount)
williamr@2: 	{
williamr@2: 	return iController->MissNextInterrupts(*this, aInterruptCount);
williamr@2: 	}
williamr@2: 
williamr@2: /** Function allowing platform-specific layer to extend API with new
williamr@2: 	channel-specific operations.
williamr@2:  	@param aCmd Command identifier.  Negative values are reserved for Symbian use.
williamr@2: 	@param aArg PSL-specific
williamr@2: 	@return KErrNotSupported if aCmd is not supported.  PSL-specific value otherwise.
williamr@2:  */
williamr@2: 
williamr@2: inline TInt TDmaChannel::Extension(TInt aCmd, TAny* aArg)
williamr@2: 	{
williamr@2: 	return iController->Extension(*this, aCmd, aArg);
williamr@2: 	}
williamr@2: 
williamr@2: inline const TDmac* TDmaChannel::Controller() const
williamr@2: 	{
williamr@2: 	return iController;
williamr@2: 	}
williamr@2: 
williamr@2: inline TInt TDmaChannel::MaxTransferSize(TUint aFlags, TUint32 aPslInfo)
williamr@2: 	{
williamr@2: 	return iController->MaxTransferSize(*this, aFlags, aPslInfo);
williamr@2: 	}
williamr@2: 
williamr@2: inline TUint TDmaChannel::MemAlignMask(TUint aFlags, TUint32 aPslInfo)
williamr@2: 	{
williamr@2: 	return iController->MemAlignMask(*this, aFlags, aPslInfo);
williamr@2: 	}
williamr@2: 
williamr@2: // DDmaRequest
williamr@2: 
williamr@2: /** Called when request is removed from request queue in channel */
williamr@2: 
williamr@2: inline void DDmaRequest::OnDeque()
williamr@2: 	{
williamr@2: 	iQueued = EFalse;
williamr@2: 	iLastHdr->iNext = NULL;
williamr@2: 	iChannel.DoUnlink(*iLastHdr);
williamr@2: 	}
williamr@2: 
williamr@2: // TDmac
williamr@2: 
williamr@2: inline void TDmac::Wait()
williamr@2: 	{
williamr@2: 	NKern::FMWait(&iLock);
williamr@2: 	}
williamr@2: 
williamr@2: inline void TDmac::Signal()
williamr@2: 	{
williamr@2: 	NKern::FMSignal(&iLock);
williamr@2: 	}
williamr@2: 
williamr@2: inline SDmaPseudoDes& TDmac::HdrToDes(const SDmaDesHdr& aHdr) const
williamr@2: 	{
williamr@2: 	return static_cast<SDmaPseudoDes*>(iDesPool)[&aHdr - iHdrPool];
williamr@2: 	}
williamr@2: 
williamr@2: inline TAny* TDmac::HdrToHwDes(const SDmaDesHdr& aHdr) const
williamr@2: 	{
williamr@2: 	return static_cast<TUint8*>(iDesPool) + iDesSize*(&aHdr - iHdrPool);
williamr@2: 	}
williamr@2: 
williamr@2: inline TUint32 TDmac::DesLinToPhys(TAny* aDes) const
williamr@2: 	{
williamr@2: #ifdef __WINS__
williamr@2: 	(void)aDes;
williamr@2: 	return 0xDEADBEEF;
williamr@2: #else
williamr@2: 	return iHwDesChunk->iPhysAddr + ((TLinAddr)aDes - iHwDesChunk->iLinAddr);
williamr@2: #endif
williamr@2: 	}
williamr@2: 
williamr@2: // DmaChannelMgr
williamr@2: 
williamr@2: inline void DmaChannelMgr::Wait()
williamr@2: 	{
williamr@2: 	NKern::FMWait(&Lock);
williamr@2: 	}
williamr@2: 
williamr@2: inline void DmaChannelMgr::Signal()
williamr@2: 	{
williamr@2: 	NKern::FMSignal(&Lock);
williamr@2: 	}
williamr@2: 
williamr@2: //---