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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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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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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include "variant_sound.h"
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_LIT(KSoundScPddName, "SoundSc.Beagle");
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DECLARE_STANDARD_PDD()
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{
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return new DDriverBeagleSoundScPddFactory;
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}
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DDriverBeagleSoundScPddFactory::DDriverBeagleSoundScPddFactory()
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{
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iUnitsMask = ((1 << KSoundScTxUnit0) | (1 << KSoundScRxUnit0));
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iVersion = RSoundSc::VersionRequired();
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}
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TInt DDriverBeagleSoundScPddFactory::Install()
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{
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_LIT(KAudioDFC, "AUDIO DFC");
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// Get a pointer to the the McBSP's DFC Queue so that handling of both McBSP callbacks and requests
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// made to the LDD from user mode can be processed in the same thread, to avoid the use of semaphores
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TInt r = Kern::DfcQCreate(iDfcQ, 26, &KAudioDFC);
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::PDD install");
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if(r==KErrNone)
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{
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// All PDD factories must have a unique name
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TInt r = SetName(&KSoundScPddName);
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}
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return r;
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}
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void DDriverBeagleSoundScPddFactory::GetCaps(TDes8& /*aDes*/) const
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{
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}
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TInt DDriverBeagleSoundScPddFactory::Validate(TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& aVer)
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{
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// Check that the version requested is less than or equal to the version of this PDD
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if (!Kern::QueryVersionSupported(RSoundSc::VersionRequired(), aVer))
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{
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::Validate KErrNotSup1");
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return KErrNotSupported;
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}
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// Check the unit number specifies either playback or recording
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if ((aUnit != KSoundScTxUnit0) && (aUnit != KSoundScRxUnit0))
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{
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::Validate KErrNotSup2");
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return KErrNotSupported;
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}
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::Validate KErrNone");
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return KErrNone;
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}
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TInt DDriverBeagleSoundScPddFactory::Create(DBase*& aChannel, TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
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{
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DSoundScPdd* pD = NULL;
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::PDD create aUnit %d TxUnitId %d", aUnit, KSoundScTxUnit0);
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// Assume failure
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TInt r = KErrNoMemory;
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aChannel = NULL;
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DDriverBeagleSoundScPdd* pTxD = new DDriverBeagleSoundScPdd;
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::TxPdd %d", pTxD);
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if (pTxD)
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{
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pD = pTxD;
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// Save a pointer to the factory so that it is accessible by the PDD and call the PDD's
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// second stage constructor
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pTxD->iPhysicalDevice = this;
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pTxD->iUnitType = aUnit; // Either KSoundScTxUnit0 or KSoundScRxUnit0 (play or record)
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::TxPdd2 %d", pTxD);
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r = pTxD->DoCreate();
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::Create ret %d", r);
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}
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// If everything succeeded, save a pointer to the PDD. This should only be done if DoCreate() succeeded,
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// as some LDDs have been known to access this pointer even if Create() returns an error!
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if (r == KErrNone)
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{
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aChannel = pD;
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BEAGLE_SOUND_DEBUG("DDriverBeagleSoundScPddFactory::TxPdd set AChannel %d", aChannel);
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}
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else
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{
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delete pD;
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}
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return r;
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}
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