1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kernel/eka/include/drivers/dma_v1.inl	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,147 @@
     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 "Eclipse Public License v1.0""
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.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 +// include/drivers/dma_v1.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 +// WARNING: This file contains some APIs which are internal and are subject
    1.24 +//          to change without noticed. Such APIs should therefore not be used
    1.25 +//          outside the Kernel and Hardware Services package.
    1.26 +//
    1.27 +
    1.28 +inline void TDmaChannel::Wait()
    1.29 +	{
    1.30 +	NKern::FMWait(&iLock);
    1.31 +	}
    1.32 +
    1.33 +inline void TDmaChannel::Signal()
    1.34 +	{
    1.35 +	NKern::FMSignal(&iLock);
    1.36 +	}
    1.37 +
    1.38 +inline TBool TDmaChannel::Flash()
    1.39 +	{
    1.40 +	return NKern::FMFlash(&iLock);
    1.41 +	}
    1.42 +
    1.43 +inline TBool TDmaChannel::IsOpened() const
    1.44 +	{
    1.45 +	return iController != NULL;
    1.46 +	}
    1.47 +
    1.48 +inline TBool TDmaChannel::IsQueueEmpty() const
    1.49 +	{
    1.50 +	return const_cast<TDmaChannel*>(this)->iReqQ.IsEmpty();
    1.51 +	}
    1.52 +
    1.53 +inline TUint32 TDmaChannel::PslId() const
    1.54 +	{
    1.55 +	return iPslId;
    1.56 +	}
    1.57 +
    1.58 +inline TInt TDmaChannel::FailNext(TInt /*aFragmentCount*/)
    1.59 +	{
    1.60 +	return iController->FailNext(*this);
    1.61 +	}
    1.62 +
    1.63 +inline TInt TDmaChannel::MissNextInterrupts(TInt aInterruptCount)
    1.64 +	{
    1.65 +	return iController->MissNextInterrupts(*this, aInterruptCount);
    1.66 +	}
    1.67 +
    1.68 +/** Function allowing platform-specific layer to extend API with new
    1.69 +	channel-specific operations.
    1.70 + 	@param aCmd Command identifier.  Negative values are reserved for Symbian use.
    1.71 +	@param aArg PSL-specific
    1.72 +	@return KErrNotSupported if aCmd is not supported.  PSL-specific value otherwise.
    1.73 + */
    1.74 +
    1.75 +inline TInt TDmaChannel::Extension(TInt aCmd, TAny* aArg)
    1.76 +	{
    1.77 +	return iController->Extension(*this, aCmd, aArg);
    1.78 +	}
    1.79 +
    1.80 +inline const TDmac* TDmaChannel::Controller() const
    1.81 +	{
    1.82 +	return iController;
    1.83 +	}
    1.84 +
    1.85 +inline TInt TDmaChannel::MaxTransferSize(TUint aFlags, TUint32 aPslInfo)
    1.86 +	{
    1.87 +	return iController->MaxTransferSize(*this, aFlags, aPslInfo);
    1.88 +	}
    1.89 +
    1.90 +inline TUint TDmaChannel::MemAlignMask(TUint aFlags, TUint32 aPslInfo)
    1.91 +	{
    1.92 +	return iController->MemAlignMask(*this, aFlags, aPslInfo);
    1.93 +	}
    1.94 +
    1.95 +// DDmaRequest
    1.96 +
    1.97 +/** Called when request is removed from request queue in channel */
    1.98 +
    1.99 +inline void DDmaRequest::OnDeque()
   1.100 +	{
   1.101 +	iQueued = EFalse;
   1.102 +	iLastHdr->iNext = NULL;
   1.103 +	iChannel.DoUnlink(*iLastHdr);
   1.104 +	}
   1.105 +
   1.106 +// TDmac
   1.107 +
   1.108 +inline void TDmac::Wait()
   1.109 +	{
   1.110 +	NKern::FMWait(&iLock);
   1.111 +	}
   1.112 +
   1.113 +inline void TDmac::Signal()
   1.114 +	{
   1.115 +	NKern::FMSignal(&iLock);
   1.116 +	}
   1.117 +
   1.118 +inline SDmaPseudoDes& TDmac::HdrToDes(const SDmaDesHdr& aHdr) const
   1.119 +	{
   1.120 +	return static_cast<SDmaPseudoDes*>(iDesPool)[&aHdr - iHdrPool];
   1.121 +	}
   1.122 +
   1.123 +inline TAny* TDmac::HdrToHwDes(const SDmaDesHdr& aHdr) const
   1.124 +	{
   1.125 +	return static_cast<TUint8*>(iDesPool) + iDesSize*(&aHdr - iHdrPool);
   1.126 +	}
   1.127 +
   1.128 +inline TUint32 TDmac::DesLinToPhys(TAny* aDes) const
   1.129 +	{
   1.130 +#ifdef __WINS__
   1.131 +	(void)aDes;
   1.132 +	return 0xDEADBEEF;
   1.133 +#else
   1.134 +	return iHwDesChunk->iPhysAddr + ((TLinAddr)aDes - iHwDesChunk->iLinAddr);
   1.135 +#endif
   1.136 +	}
   1.137 +
   1.138 +// DmaChannelMgr
   1.139 +
   1.140 +inline void DmaChannelMgr::Wait()
   1.141 +	{
   1.142 +	NKern::FMWait(&Lock);
   1.143 +	}
   1.144 +
   1.145 +inline void DmaChannelMgr::Signal()
   1.146 +	{
   1.147 +	NKern::FMSignal(&Lock);
   1.148 +	}
   1.149 +
   1.150 +//---