1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #include "variant_sound.h"

    19 

    20 _LIT(KSoundScPddName, "SoundSc.Syborg");

    21 

    22 

    23 DECLARE_STANDARD_PDD()

    24 	{

    25 	return new DDriverSyborgSoundScPddFactory;

    26 	}

    27 

    28 

    29 DDriverSyborgSoundScPddFactory::DDriverSyborgSoundScPddFactory()

    30 	{

    31 

    32 	iUnitsMask = ((1 << KSoundScTxUnit0) | (1 << KSoundScRxUnit0));

    33 

    34 	iVersion = RSoundSc::VersionRequired();

    35 	}

    36 

    37 

    38 TInt DDriverSyborgSoundScPddFactory::Install()

    39 	{

    40 	_LIT(KAudioDFC, "AUDIO DFC");

    41 	// Get a pointer to the the McBSP's DFC Queue so that handling of both McBSP callbacks and requests

    42 	// made to the LDD from user mode can be processed in the same thread, to avoid the use of semaphores

    43 	TInt r = Kern::DfcQCreate(iDfcQ, 26, &KAudioDFC);

    44 

    45 	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::PDD install");

    46 

    47 	if(r==KErrNone)

    48 		{

    49 		// All PDD factories must have a unique name

    50 		TInt r = SetName(&KSoundScPddName);

    51 		}

    52 

    53 	return r;

    54 	}

    55 

    56 void DDriverSyborgSoundScPddFactory::GetCaps(TDes8& /*aDes*/) const

    57 	{

    58 	}

    59 

    60 

    61 TInt DDriverSyborgSoundScPddFactory::Validate(TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& aVer)

    62 	{

    63 	// Check that the version requested is less than or equal to the version of this PDD

    64 	if (!Kern::QueryVersionSupported(RSoundSc::VersionRequired(), aVer))

    65 		{

    66 		SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::Validate KErrNotSup1");

    67 		return KErrNotSupported;

    68 		}

    69 

    70 	// Check the unit number specifies either playback or recording

    71 	if ((aUnit != KSoundScTxUnit0) && (aUnit != KSoundScRxUnit0))

    72 		{

    73 		SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::Validate KErrNotSup2");

    74 		return KErrNotSupported;

    75 		}

    76 

    77 	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::Validate KErrNone");

    78 	return KErrNone;

    79 	}

    80 

    81 TInt DDriverSyborgSoundScPddFactory::Create(DBase*& aChannel, TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)

    82 	{

    83 

    84 	DSoundScPdd* pD = NULL;

    85 

    86 	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::PDD create aUnit %d TxUnitId %d", aUnit, KSoundScTxUnit0);

    87 

    88 	// Assume failure

    89 	TInt r = KErrNoMemory;

    90 	aChannel = NULL;

    91 

    92 				

    93 	DDriverSyborgSoundScPdd* pTxD = new DDriverSyborgSoundScPdd;

    94 

    95 	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::TxPdd %d", pTxD);

    96 		

    97 	if (pTxD)

    98 		{

    99 		pD = pTxD;

   100 

   101 		// Save a pointer to the factory so that it is accessible by the PDD and call the PDD's

   102 		// second stage constructor

   103 		pTxD->iPhysicalDevice = this;

   104 			

   105 		pTxD->iUnitType = aUnit; // Either KSoundScTxUnit0 or KSoundScRxUnit0 (play or record)

   106 			

   107 		SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::TxPdd2 %d", pTxD);

   108 			

   109 		r = pTxD->DoCreate();

   110 			

   111 		SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::Create ret %d", r);

   112 			

   113 		}

   114 	

   115 	// If everything succeeded, save a pointer to the PDD.  This should only be done if DoCreate() succeeded,

   116 	// as some LDDs have been known to access this pointer even if Create() returns an error!

   117 	if (r == KErrNone)

   118 		{

   119 		aChannel = pD;

   120 		SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPddFactory::TxPdd set AChannel %d", aChannel);

   121 		}

   122 	else

   123 		{

   124 		delete pD;

   125 		}

   126 

   127 	return r;

   128 	}