1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/drivers/dma.inl	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,139 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// 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
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32\include\drivers\dma.inl
    1.18 +// DMA framework public inline functions
    1.19 +// This file should not be modified when porting the DMA framework to
    1.20 +// new hardware.
    1.21 +// TDmaChannel
    1.22 +// 
    1.23 +//
    1.24 +
    1.25 +inline void TDmaChannel::Wait()
    1.26 +	{
    1.27 +	NKern::FMWait(&iLock);
    1.28 +	}
    1.29 +
    1.30 +inline void TDmaChannel::Signal()
    1.31 +	{
    1.32 +	NKern::FMSignal(&iLock);
    1.33 +	}
    1.34 +
    1.35 +inline TBool TDmaChannel::IsOpened() const
    1.36 +	{
    1.37 +	return iController != NULL;
    1.38 +	}
    1.39 +
    1.40 +inline TBool TDmaChannel::IsQueueEmpty() const
    1.41 +	{
    1.42 +	return const_cast<TDmaChannel*>(this)->iReqQ.IsEmpty();
    1.43 +	}
    1.44 +
    1.45 +inline TUint32 TDmaChannel::PslId() const
    1.46 +	{
    1.47 +	return iPslId;
    1.48 +	}
    1.49 +
    1.50 +inline TInt TDmaChannel::FailNext(TInt /*aFragmentCount*/)
    1.51 +	{
    1.52 +	return iController->FailNext(*this);
    1.53 +	}
    1.54 +
    1.55 +inline TInt TDmaChannel::MissNextInterrupts(TInt aInterruptCount)
    1.56 +	{
    1.57 +	return iController->MissNextInterrupts(*this, aInterruptCount);
    1.58 +	}
    1.59 +
    1.60 +/** Function allowing platform-specific layer to extend API with new
    1.61 +	channel-specific operations.
    1.62 + 	@param aCmd Command identifier.  Negative values are reserved for Symbian use.
    1.63 +	@param aArg PSL-specific
    1.64 +	@return KErrNotSupported if aCmd is not supported.  PSL-specific value otherwise.
    1.65 + */
    1.66 +
    1.67 +inline TInt TDmaChannel::Extension(TInt aCmd, TAny* aArg)
    1.68 +	{
    1.69 +	return iController->Extension(*this, aCmd, aArg);
    1.70 +	}
    1.71 +
    1.72 +inline const TDmac* TDmaChannel::Controller() const
    1.73 +	{
    1.74 +	return iController;
    1.75 +	}
    1.76 +
    1.77 +inline TInt TDmaChannel::MaxTransferSize(TUint aFlags, TUint32 aPslInfo)
    1.78 +	{
    1.79 +	return iController->MaxTransferSize(*this, aFlags, aPslInfo);
    1.80 +	}
    1.81 +
    1.82 +inline TUint TDmaChannel::MemAlignMask(TUint aFlags, TUint32 aPslInfo)
    1.83 +	{
    1.84 +	return iController->MemAlignMask(*this, aFlags, aPslInfo);
    1.85 +	}
    1.86 +
    1.87 +// DDmaRequest
    1.88 +
    1.89 +/** Called when request is removed from request queue in channel */
    1.90 +
    1.91 +inline void DDmaRequest::OnDeque()
    1.92 +	{
    1.93 +	iQueued = EFalse;
    1.94 +	iLastHdr->iNext = NULL;
    1.95 +	iChannel.DoUnlink(*iLastHdr);
    1.96 +	}
    1.97 +
    1.98 +// TDmac
    1.99 +
   1.100 +inline void TDmac::Wait()
   1.101 +	{
   1.102 +	NKern::FMWait(&iLock);
   1.103 +	}
   1.104 +
   1.105 +inline void TDmac::Signal()
   1.106 +	{
   1.107 +	NKern::FMSignal(&iLock);
   1.108 +	}
   1.109 +
   1.110 +inline SDmaPseudoDes& TDmac::HdrToDes(const SDmaDesHdr& aHdr) const
   1.111 +	{
   1.112 +	return static_cast<SDmaPseudoDes*>(iDesPool)[&aHdr - iHdrPool];
   1.113 +	}
   1.114 +
   1.115 +inline TAny* TDmac::HdrToHwDes(const SDmaDesHdr& aHdr) const
   1.116 +	{
   1.117 +	return static_cast<TUint8*>(iDesPool) + iDesSize*(&aHdr - iHdrPool);
   1.118 +	}
   1.119 +
   1.120 +inline TUint32 TDmac::DesLinToPhys(TAny* aDes) const
   1.121 +	{
   1.122 +#ifdef __WINS__
   1.123 +	(void)aDes;
   1.124 +	return 0xDEADBEEF;
   1.125 +#else
   1.126 +	return iHwDesChunk->iPhysAddr + ((TLinAddr)aDes - iHwDesChunk->iLinAddr);
   1.127 +#endif
   1.128 +	}
   1.129 +
   1.130 +// DmaChannelMgr
   1.131 +
   1.132 +inline void DmaChannelMgr::Wait()
   1.133 +	{
   1.134 +	NKern::FMWait(&Lock);
   1.135 +	}
   1.136 +
   1.137 +inline void DmaChannelMgr::Signal()
   1.138 +	{
   1.139 +	NKern::FMSignal(&Lock);
   1.140 +	}
   1.141 +
   1.142 +//---