baseport/syborg/soundsc/virtio_io.cpp
author Mike Kinghan <mikek@symbian.org>
Wed, 04 Aug 2010 10:56:22 +0100
branchGCC_SURGE
changeset 91 07b904f40417
parent 45 01c1ffcc4fca
permissions -rw-r--r--
Provisional fix for bug 3508 - Persistent storage support breaks Linux compatibility. Enables libnvmemmory.so to be built and dynamically linked on Linux and rom boot reports persistent storage image created OK, but ROM then crashes.
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/*
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Accenture Ltd
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*
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* Contributors:
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*
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* Description: This file is a part of sound driver for Syborg adaptation.
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*
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*/
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#include "virtio_io.h"
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namespace VirtIo
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{
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void DIo::GetDeviceIds( TUint32 &aPeripheralId, TUint32 &aDeviceId )
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	{
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	aPeripheralId = read( EIoID );
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	aDeviceId = read( EIoDevType );
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	}
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void DIo::SetQueueBase( TUint aQId, TAny* iDescRegion )
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	{
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	TUint32 phAddr = iDescRegion?Epoc::LinearToPhysical( reinterpret_cast<TUint32>( iDescRegion ) ):0;
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	write(EIoQueueSelect, aQId);
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	write(EIoQueueBase, phAddr );
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	SYBORG_VIRTIO_DEBUG("SetQueueBase Q%d %x", aQId, phAddr );
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	}		
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TAny* DIo::GetQueueBase( TUint aQId)
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	{
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	write(EIoQueueSelect, aQId);
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	return reinterpret_cast<TAny*>( read(EIoQueueBase) );
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	}
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} // namespace VirtIo