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// Copyright (c) 1998-2009 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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// e32\drivers\pbus\spbus.cpp
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//
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//
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#include <drivers/pbus.h>
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "locmedia_ost.h"
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#ifdef __VC32__
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#pragma warning(disable: 4127) // disabling warning "conditional expression is constant"
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#endif
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#include "spbusTraces.h"
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#endif
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const TInt KPBusSocketThreadPriority=26;
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GLDEF_D DMediaChangeBase* TheMediaChanges[KMaxMediaChanges];
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GLDEF_D DPBusSocket* TheSockets[KMaxPBusSockets];
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GLDEF_D DPBusPsuBase* TheVccs[KMaxPBusVccs];
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GLDEF_D DPBusPsuBase* TheVccCores[KMaxPBusVccs];
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/********************************************
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* Peripheral bus callback
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********************************************/
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EXPORT_C TPBusCallBack::TPBusCallBack()
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: iSocket(NULL), iFunction(NULL), iIntMask(0), iPtr(NULL)
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{
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OstTraceFunctionEntry0( TPBUSCALLBACK_TPBUSCALLBACK1_ENTRY );
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iNext=NULL;
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OstTraceFunctionExit0( TPBUSCALLBACK_TPBUSCALLBACK1_EXIT );
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}
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EXPORT_C TPBusCallBack::TPBusCallBack(TPBusCallBackFn aFunction, TAny* aPtr)
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: iSocket(NULL), iFunction(aFunction), iIntMask(0), iPtr(aPtr)
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{
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OstTraceFunctionEntry0( TPBUSCALLBACK_TPBUSCALLBACK2_ENTRY );
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iNext=NULL;
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OstTraceFunctionExit0( TPBUSCALLBACK_TPBUSCALLBACK2_EXIT );
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}
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EXPORT_C TPBusCallBack::TPBusCallBack(TPBusIsr anIsr, TAny* aPtr, TUint anIntMask)
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: iSocket(NULL), iFunction(NULL), iIntMask(anIntMask), iIsr(anIsr), iPtr(aPtr)
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{
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OstTraceFunctionEntry0( TPBUSCALLBACK_TPBUSCALLBACK3_ENTRY );
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iNext=NULL;
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OstTraceFunctionExit0( TPBUSCALLBACK_TPBUSCALLBACK3_EXIT );
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}
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EXPORT_C void TPBusCallBack::Remove()
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{
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OstTraceFunctionEntry0( TPBUSCALLBACK_REMOVE_ENTRY );
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TInt irq=NKern::DisableAllInterrupts();
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if (iNext)
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Deque();
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iNext=NULL;
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NKern::RestoreInterrupts(irq);
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OstTraceFunctionExit0( TPBUSCALLBACK_REMOVE_EXIT );
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}
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EXPORT_C void TPBusCallBack::SetSocket(TInt aSocket)
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{
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OstTraceFunctionEntryExt( TPBUSCALLBACK_SETSOCKET_ENTRY, this );
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iSocket=TheSockets[aSocket];
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OstTraceFunctionExit1( TPBUSCALLBACK_SETSOCKET_EXIT, this );
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}
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/********************************************
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* Media change base class
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********************************************/
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/**
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* Constructor for a DMediaChangeBase object.
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*
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* @param aMediaChangeNum The media change number
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*/
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EXPORT_C DMediaChangeBase::DMediaChangeBase(TInt aMediaChangeNum)
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: iMediaChangeNum(aMediaChangeNum),
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iReplyCount(0),
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iDoorOpenDfc(DoorOpenDfcFn,this,Kern::DfcQue1(),1)
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{
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OstTraceFunctionEntryExt( DMEDIACHANGEBASE_DMEDIACHANGEBASE_ENTRY, this );
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}
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/**
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* Creates a DMediaChangeBase object.
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* This should be overridden at the media and variant layer to allow
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* interrupts and other media/variant-specific parameters to be initialised.
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*
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* Method should be called post object creation, although could be used to
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* re-initialise parameters.
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*
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* @return KErrNone Default
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*/
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EXPORT_C TInt DMediaChangeBase::Create()
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{
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return KErrNone;
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}
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/**
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* Called from ISR triggered by media change or from
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* the Peripheral Bus Controller Media Driver context
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* if a media change is being forced.
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*
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* Method adds/enques a media change event on to the door
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* open DFC queue. If called by PBUS thread then DFC queue
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* is by-passed and change event is dealt with synchronously.
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*
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* Media change events are platform specific although are
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* generally related to a media door or slot being opened.
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*/
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EXPORT_C void DMediaChangeBase::DoorOpenService()
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{
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if (NKern::CurrentContext()==NKern::EInterrupt)
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{
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OstTrace0(TRACE_INTERNALS, DMEDIACHANGEBASE_DOOROPENSERVICE, "Interrupt driven asynchronous media change event");
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iDoorOpenDfc.Add();
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}
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else
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{
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if (Kern::DfcQue1()->iThread==(NThreadBase *)NKern::CurrentThread()) // check if this is being called from PBUS thread
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{
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OstTrace0(TRACE_INTERNALS, DMEDIACHANGEBASE_DOOROPENSERVICE2, "Synchronous media change event");
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MediaChangeEvent(ETrue);
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}
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else
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{
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OstTrace0(TRACE_INTERNALS, DMEDIACHANGEBASE_DOOROPENSERVICE3, "Different thread is queueing request, asynchronous media change event");
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iDoorOpenDfc.Enque();
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}
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}
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}
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/**
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* High priority DFC triggered by media change interrupt.
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*
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* Media changes events are added/enqued by DMediaChangeBase::DoorOpenService().
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*
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* @param aPtr Pointer to an instantiated class which enqued/added this DFC event
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*/
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void DMediaChangeBase::DoorOpenDfcFn(TAny* aPtr)
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{
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OstTraceFunctionEntry0( DMEDIACHANGEBASE_DOOROPENDFCFN_ENTRY );
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DMediaChangeBase* pM=(DMediaChangeBase*)aPtr;
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pM->MediaChangeEvent(ETrue);
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OstTraceFunctionExit0( DMEDIACHANGEBASE_DOOROPENDFCFN_EXIT );
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}
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/**
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*
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* Notifies sockets of door close event.
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*
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* This function must be called by variant when door close has been detected.
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*/
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EXPORT_C void DMediaChangeBase::DoorClosedService()
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{
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OstTraceFunctionEntry1( DMEDIACHANGEBASE_DOORCLOSEDSERVICE_ENTRY, this );
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MediaChangeEvent(EFalse);
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OstTraceFunctionExit1( DMEDIACHANGEBASE_DOORCLOSEDSERVICE_EXIT, this );
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}
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/**
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* Notifies relevant peripheral bus sockets of door open or close events.
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*
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* @param aDoorOpened ETrue if door is opened
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*
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* @see DPBusSocket::DPBusSocket
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*/
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void DMediaChangeBase::MediaChangeEvent(TBool aDoorOpened)
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{
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OstTraceFunctionEntry1( DMEDIACHANGEBASE_MEDIACHANGEEVENT_ENTRY, this );
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__KTRACE_OPT(KPBUS1,Kern::Printf(">DMediaChangeBase(%d)::MediaChangeEvent(%d)",iMediaChangeNum,aDoorOpened));
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OstTraceExt2(TRACE_INTERNALS, DMEDIACHANGEBASE_DMEDIACHANGEBASE, "iMediaChangeNum=%d; aDoorOpened=%d", iMediaChangeNum,aDoorOpened);
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TInt i;
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// notify all sockets affected
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for (i=0; i<KMaxPBusSockets; i++)
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{
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DPBusSocket* pS=TheSockets[i];
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if (pS && pS->iMediaChange==this)
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{
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// Only increment base reply count if actually adding a DFC
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if (!pS->iMediaChangeDfc.Queued())
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__e32_atomic_add_ord32(&iReplyCount, 1);
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pS->MediaChangeEvent(aDoorOpened);
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}
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}
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OstTraceFunctionExit1( DMEDIACHANGEBASE_MEDIACHANGEEVENT_EXIT, this );
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}
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/**
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* To be called by peripheral bus socket derived classes when
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* door open/close event has been processed.
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*
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* @param aDoorOpened ETrue door opened event processed,
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* EFalse door closed event processed
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*
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* @see DPBusSocket::DoorOpenEvent()
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* @see DPBusSocket::DoorCloseEvent()
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*/
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void DMediaChangeBase::AcknowledgeEvent(TBool aDoorOpened)
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{
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OstTraceFunctionEntryExt( DMEDIACHANGEBASE_ACKNOWLEDGEEVENT_ENTRY, this );
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TInt c = __e32_atomic_tas_ord32(&iReplyCount, 1, -1, 0);
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if (c==1)
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{
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if (aDoorOpened)
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DoDoorOpen();
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else
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DoDoorClosed();
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}
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OstTraceFunctionExit1( DMEDIACHANGEBASE_ACKNOWLEDGEEVENT_EXIT, this );
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}
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/********************************************
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* Power supply base class
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********************************************/
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void psuTick(TAny* aPtr)
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{
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OstTraceFunctionEntry0( _PSUTICK_ENTRY );
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DPBusPsuBase* pP=(DPBusPsuBase*)aPtr;
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pP->iPsuDfc.Enque();
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OstTraceFunctionExit0( _PSUTICK_EXIT );
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}
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void psuDfc(TAny* aPtr)
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{
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OstTraceFunctionEntry0( _PSUDFC_ENTRY );
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DPBusPsuBase* pP=(DPBusPsuBase*)aPtr;
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pP->DoTickService();
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OstTraceFunctionExit0( _PSUDFC_EXIT );
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}
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/**
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Constructor for a DPBusPsuBase object.
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@param aPsuNum Unique power supply identification number
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@param aMediaChangedNum Unique media change identification number
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*/
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DPBusPsuBase::DPBusPsuBase(TInt aPsuNum, TInt aMediaChangeNum)
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: iPsuNum(aPsuNum), iMediaChangeNum(aMediaChangeNum), iVoltCheckMethod(EPsuChkComparator), iState(EPsuOff),
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iPsuDfc(psuDfc, this, 4),
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iPwrDownCheckFn(DoPwrDownCheck)
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{
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OstTraceFunctionEntryExt( DPBUSPSUBASE_DPBUSPSUBASE_ENTRY, this );
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// iCurrLimited=EFalse;
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// iVoltageSupported=0;
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// iMaxCurrentInMicroAmps=0;
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// iVoltCheckInterval=0;
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// iInactivityCount=0;
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// iNotLockedCount=0;
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// iInactivityTimeout=0;
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// iNotLockedTimeout=0;
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}
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void DPBusPsuBase::DoPwrDownCheck(TAny* aPtr)
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{
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OstTraceFunctionEntry0( DPBUSPSUBASE_DOPWRDOWNCHECK_ENTRY );
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DPBusPsuBase& self = *static_cast<DPBusPsuBase*>(aPtr);
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self.PwrDownCheck();
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OstTraceFunctionExit0( DPBUSPSUBASE_DOPWRDOWNCHECK_EXIT );
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}
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/**
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Initialises a DPBusPsuBase object.
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Sets object information based on hardware variant PSU inforamtion.
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Calls DoCreate to initialise the PSU.
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sl@0
|
284 |
|
|
sl@0
|
285 |
@return Standard Symbian OS error code.
|
|
sl@0
|
286 |
|
|
sl@0
|
287 |
@see DPBusPsuBase::PsuInfo()
|
|
sl@0
|
288 |
@see DPBusPsuBase::DoCreate()
|
|
sl@0
|
289 |
*/
|
|
sl@0
|
290 |
TInt DPBusPsuBase::Create()
|
|
sl@0
|
291 |
{
|
|
sl@0
|
292 |
OstTraceFunctionEntry1( DPBUSPSUBASE_CREATE_ENTRY, this );
|
|
sl@0
|
293 |
|
|
sl@0
|
294 |
TPBusPsuInfo pi;
|
|
sl@0
|
295 |
PsuInfo(pi);
|
|
sl@0
|
296 |
iVoltageSupported=pi.iVoltageSupported;
|
|
sl@0
|
297 |
iMaxCurrentInMicroAmps=pi.iMaxCurrentInMicroAmps;
|
|
sl@0
|
298 |
iVoltCheckInterval=pi.iVoltCheckInterval;
|
|
sl@0
|
299 |
iVoltCheckMethod=pi.iVoltCheckMethod;
|
|
sl@0
|
300 |
iInactivityTimeout=pi.iInactivityTimeOut;
|
|
sl@0
|
301 |
iNotLockedTimeout=pi.iNotLockedTimeOut;
|
|
sl@0
|
302 |
|
|
sl@0
|
303 |
TInt r=DoCreate();
|
|
sl@0
|
304 |
if (r!=KErrNone)
|
|
sl@0
|
305 |
{
|
|
sl@0
|
306 |
OstTraceFunctionExitExt( DPBUSPSUBASE_CREATE_EXIT1, this, r );
|
|
sl@0
|
307 |
return r;
|
|
sl@0
|
308 |
}
|
|
sl@0
|
309 |
|
|
sl@0
|
310 |
iPsuDfc.SetDfcQ(&iSocket->iDfcQ);
|
|
sl@0
|
311 |
|
|
sl@0
|
312 |
OstTraceFunctionExitExt( DPBUSPSUBASE_CREATE_EXIT2, this, KErrNone );
|
|
sl@0
|
313 |
return KErrNone;
|
|
sl@0
|
314 |
}
|
|
sl@0
|
315 |
|
|
sl@0
|
316 |
|
|
sl@0
|
317 |
/**
|
|
sl@0
|
318 |
Initialises the power supply unit.
|
|
sl@0
|
319 |
|
|
sl@0
|
320 |
The function is provided by the hardware variant layer, and needs to initialise
|
|
sl@0
|
321 |
interrupts and other variant-specific parameters.
|
|
sl@0
|
322 |
|
|
sl@0
|
323 |
The default implementation returns KErrNone.
|
|
sl@0
|
324 |
|
|
sl@0
|
325 |
@return KErrNone
|
|
sl@0
|
326 |
*/
|
|
sl@0
|
327 |
EXPORT_C TInt DPBusPsuBase::DoCreate()
|
|
sl@0
|
328 |
{
|
|
sl@0
|
329 |
OstTraceFunctionEntry1( DPBUSPSUBASE_DOCREATE_ENTRY, this );
|
|
sl@0
|
330 |
TInt r = KErrNone;
|
|
sl@0
|
331 |
OstTraceFunctionExitExt( DPBUSPSUBASE_DOCREATE_EXIT, this, r );
|
|
sl@0
|
332 |
return r;
|
|
sl@0
|
333 |
}
|
|
sl@0
|
334 |
|
|
sl@0
|
335 |
|
|
sl@0
|
336 |
/**
|
|
sl@0
|
337 |
Reset (turn off) the power supply unit.
|
|
sl@0
|
338 |
Sets PSU state to EPsuOff.
|
|
sl@0
|
339 |
*/
|
|
sl@0
|
340 |
void DPBusPsuBase::Reset()
|
|
sl@0
|
341 |
{
|
|
sl@0
|
342 |
OstTraceFunctionEntry1( DPBUSPSUBASE_RESET_ENTRY, this );
|
|
sl@0
|
343 |
SetState(EPsuOff);
|
|
sl@0
|
344 |
iCurrLimited=EFalse;
|
|
sl@0
|
345 |
OstTraceFunctionExit1( DPBUSPSUBASE_RESET_EXIT, this );
|
|
sl@0
|
346 |
}
|
|
sl@0
|
347 |
|
|
sl@0
|
348 |
|
|
sl@0
|
349 |
/**
|
|
sl@0
|
350 |
Checks whether this PSU is powering a bus containing
|
|
sl@0
|
351 |
a locked device, i.e. one that is recognised and in use by a client.
|
|
sl@0
|
352 |
|
|
sl@0
|
353 |
The function is provided at the media layer, could be used to ensure power is not
|
|
sl@0
|
354 |
removed whilst media is locked or some other media specific power management activatity.
|
|
sl@0
|
355 |
|
|
sl@0
|
356 |
The default implementation just returns EFalse.
|
|
sl@0
|
357 |
|
|
sl@0
|
358 |
@return EFalse
|
|
sl@0
|
359 |
*/
|
|
sl@0
|
360 |
EXPORT_C TBool DPBusPsuBase::IsLocked()
|
|
sl@0
|
361 |
{
|
|
sl@0
|
362 |
return EFalse;
|
|
sl@0
|
363 |
}
|
|
sl@0
|
364 |
|
|
sl@0
|
365 |
/**
|
|
sl@0
|
366 |
Controls the power supply state.
|
|
sl@0
|
367 |
|
|
sl@0
|
368 |
@param aState A TPBusPsuState enumeration specifying the required state
|
|
sl@0
|
369 |
(EPsuOnFull, EPsuOff, EPsuOnCurLimit)
|
|
sl@0
|
370 |
|
|
sl@0
|
371 |
@return KErrNone if successful, otherwise one of the other system wide error codes.
|
|
sl@0
|
372 |
|
|
sl@0
|
373 |
@see TPBusPsuState
|
|
sl@0
|
374 |
@see DPBusPsuBase::DoSetState()
|
|
sl@0
|
375 |
*/
|
|
sl@0
|
376 |
EXPORT_C TInt DPBusPsuBase::SetState(TPBusPsuState aState)
|
|
sl@0
|
377 |
{
|
|
sl@0
|
378 |
OstTraceFunctionEntry1( DPBUSPSUBASE_SETSTATE_ENTRY, this );
|
|
sl@0
|
379 |
|
|
sl@0
|
380 |
TInt r=KErrGeneral;
|
|
sl@0
|
381 |
if (aState==EPsuOff)
|
|
sl@0
|
382 |
{
|
|
sl@0
|
383 |
iTickLink.Cancel(); // No point in having the 1 second tick running while the PSU is off
|
|
sl@0
|
384 |
}
|
|
sl@0
|
385 |
else
|
|
sl@0
|
386 |
{
|
|
sl@0
|
387 |
// Start the 1 second tick to monitor for inactivity, not in use and PSU level checking
|
|
sl@0
|
388 |
iTickLink.Cancel();
|
|
sl@0
|
389 |
iTickLink.Periodic(KPBusPsuTickInterval,psuTick,this);
|
|
sl@0
|
390 |
}
|
|
sl@0
|
391 |
|
|
sl@0
|
392 |
// Don't turn the PSU back on if it has current limited since the last reset event
|
|
sl@0
|
393 |
iInactivityCount=0;
|
|
sl@0
|
394 |
iNotLockedCount=0;
|
|
sl@0
|
395 |
if (aState==EPsuOff || !iCurrLimited)
|
|
sl@0
|
396 |
{
|
|
sl@0
|
397 |
DoSetState(aState);
|
|
sl@0
|
398 |
iState=aState;
|
|
sl@0
|
399 |
r=KErrNone;
|
|
sl@0
|
400 |
}
|
|
sl@0
|
401 |
__KTRACE_OPT(KPBUS2,Kern::Printf("<Psu(%d):Set(%d)-%d",iPsuNum,aState,r));
|
|
sl@0
|
402 |
OstTraceExt3(TRACE_INTERNALS, DPBUSPSUBASE_SETSTATE, "iPsuNum=%d; aState=%d; retval=%d", iPsuNum, (TInt) aState, r);
|
|
sl@0
|
403 |
OstTraceFunctionExit1( DPBUSPSUBASE_SETSTATE_EXIT, this );
|
|
sl@0
|
404 |
return r;
|
|
sl@0
|
405 |
}
|
|
sl@0
|
406 |
|
|
sl@0
|
407 |
|
|
sl@0
|
408 |
/**
|
|
sl@0
|
409 |
Check the voltage level of the power supply unit is as expected.
|
|
sl@0
|
410 |
This method is called every PSU tick.
|
|
sl@0
|
411 |
|
|
sl@0
|
412 |
@param aCheckStatus Power check status in which voltage check can be performed (e.g. KPsuChkOnPwrUp).
|
|
sl@0
|
413 |
|
|
sl@0
|
414 |
@return KErrNone Voltage checking has been performed.
|
|
sl@0
|
415 |
KErrNotSupported Voltage checking is not supported by the hardware variant.
|
|
sl@0
|
416 |
|
|
sl@0
|
417 |
@see KPsuChkOnPwrUp
|
|
sl@0
|
418 |
@see KPsuChkWhileOn
|
|
sl@0
|
419 |
@see DPBusPsuBase::DoTickService()
|
|
sl@0
|
420 |
@see DPBusPsuBase::DoCheckVoltage()
|
|
sl@0
|
421 |
*/
|
|
sl@0
|
422 |
TInt DPBusPsuBase::CheckVoltage(TUint aCheckStatus)
|
|
sl@0
|
423 |
{
|
|
sl@0
|
424 |
OstTraceFunctionEntryExt( DPBUSPSUBASE_CHECKVOLTAGE_ENTRY, this );
|
|
sl@0
|
425 |
// Check that voltage checking is in order at this time
|
|
sl@0
|
426 |
if (
|
|
sl@0
|
427 |
(aCheckStatus&iVoltCheckInterval) &&
|
|
sl@0
|
428 |
((aCheckStatus&KPsuChkOnPwrUp) || ((aCheckStatus&KPsuChkWhileOn)&&iState==EPsuOnFull))
|
|
sl@0
|
429 |
)
|
|
sl@0
|
430 |
{
|
|
sl@0
|
431 |
DoCheckVoltage();
|
|
sl@0
|
432 |
OstTraceFunctionExitExt( DPBUSPSUBASE_CHECKVOLTAGE_EXIT, this, KErrNone );
|
|
sl@0
|
433 |
return KErrNone;
|
|
sl@0
|
434 |
}
|
|
sl@0
|
435 |
OstTraceFunctionExitExt( DPBUSPSUBASE_CHECKVOLTAGE_EXIT2, this, KErrNotSupported );
|
|
sl@0
|
436 |
return KErrNotSupported;
|
|
sl@0
|
437 |
}
|
|
sl@0
|
438 |
|
|
sl@0
|
439 |
|
|
sl@0
|
440 |
/**
|
|
sl@0
|
441 |
Reports the result of the voltage check.
|
|
sl@0
|
442 |
|
|
sl@0
|
443 |
The function is called by the variant implementation of DoCheckVoltage()
|
|
sl@0
|
444 |
to report the result.
|
|
sl@0
|
445 |
|
|
sl@0
|
446 |
Reporting a result of KErrGeneral (to indicate a failure) will result in a
|
|
sl@0
|
447 |
call to DPBusSocket::PsuFault(), otherwise report KErrNone to indicate a pass
|
|
sl@0
|
448 |
and KErrNotReady if the voltage check was not completed.
|
|
sl@0
|
449 |
|
|
sl@0
|
450 |
@param anError System wide error code
|
|
sl@0
|
451 |
|
|
sl@0
|
452 |
@see DPBusPsuBase::DoCheckVoltage()
|
|
sl@0
|
453 |
@see DPBusSocket::PsuFault()
|
|
sl@0
|
454 |
*/
|
|
sl@0
|
455 |
EXPORT_C void DPBusPsuBase::ReceiveVoltageCheckResult(TInt anError)
|
|
sl@0
|
456 |
{
|
|
sl@0
|
457 |
OstTraceFunctionEntryExt( DPBUSPSUBASE_RECEIVEVOLTAGECHECKRESULT_ENTRY, this );
|
|
sl@0
|
458 |
// __KTRACE_OPT(KPBUS1,Kern::Printf("DPBusPsuBase(%d)::ReceiveVoltageCheckResult(%d)",iPsuNum,anError));
|
|
sl@0
|
459 |
OstTraceExt2(TRACE_INTERNALS, DPBUSPSUBASE_RECEVIVEVOLTAGECHECKRESULT,"iPsuNum=%d; ReceiveVoltageCheckResult=%d",iPsuNum,anError );
|
|
sl@0
|
460 |
if (anError==KErrGeneral)
|
|
sl@0
|
461 |
{
|
|
sl@0
|
462 |
SetCurrLimited();
|
|
sl@0
|
463 |
iSocket->PsuFault(KErrCorrupt);
|
|
sl@0
|
464 |
}
|
|
sl@0
|
465 |
OstTraceFunctionExit1( DPBUSPSUBASE_RECEIVEVOLTAGECHECKRESULT_EXIT, this );
|
|
sl@0
|
466 |
}
|
|
sl@0
|
467 |
|
|
sl@0
|
468 |
/**
|
|
sl@0
|
469 |
Get the current power supply unit status
|
|
sl@0
|
470 |
|
|
sl@0
|
471 |
@return PSU status.
|
|
sl@0
|
472 |
|
|
sl@0
|
473 |
@see TPBusPsuStatus
|
|
sl@0
|
474 |
*/
|
|
sl@0
|
475 |
TPBusPsuStatus DPBusPsuBase::Status()
|
|
sl@0
|
476 |
{
|
|
sl@0
|
477 |
OstTraceFunctionEntry1( DPBUSPSUBASE_STATUS_ENTRY, this );
|
|
sl@0
|
478 |
if (iCurrLimited)
|
|
sl@0
|
479 |
{
|
|
sl@0
|
480 |
OstTraceFunctionExit1( DPBUSPSUBASE_STATUS_EXIT1, this );
|
|
sl@0
|
481 |
return(EPsuStatError);
|
|
sl@0
|
482 |
}
|
|
sl@0
|
483 |
else
|
|
sl@0
|
484 |
{
|
|
sl@0
|
485 |
OstTraceFunctionExit1( DPBUSPSUBASE_STATUS_EXIT2, this );
|
|
sl@0
|
486 |
return( (iState==EPsuOff) ? EPsuStatOff : EPsuStatOn );
|
|
sl@0
|
487 |
}
|
|
sl@0
|
488 |
}
|
|
sl@0
|
489 |
|
|
sl@0
|
490 |
|
|
sl@0
|
491 |
/**
|
|
sl@0
|
492 |
Checks if power supply unit can be turned off.
|
|
sl@0
|
493 |
|
|
sl@0
|
494 |
@see DPBusPsuBase::DoTickService()
|
|
sl@0
|
495 |
*/
|
|
sl@0
|
496 |
void DPBusPsuBase::PwrDownCheck()
|
|
sl@0
|
497 |
{
|
|
sl@0
|
498 |
OstTraceFunctionEntry1( DPBUSPSUBASE_PWRDOWNCHECK_ENTRY, this );
|
|
sl@0
|
499 |
if (
|
|
sl@0
|
500 |
(iNotLockedTimeout&&!IsLocked()&&++iNotLockedCount>iNotLockedTimeout) ||
|
|
sl@0
|
501 |
(iInactivityTimeout&&++iInactivityCount>iInactivityTimeout)
|
|
sl@0
|
502 |
)
|
|
sl@0
|
503 |
iSocket->PsuTimeout();
|
|
sl@0
|
504 |
OstTraceFunctionExit1( DPBUSPSUBASE_PWRDOWNCHECK_EXIT, this );
|
|
sl@0
|
505 |
}
|
|
sl@0
|
506 |
|
|
sl@0
|
507 |
|
|
sl@0
|
508 |
/**
|
|
sl@0
|
509 |
Services the Pc Card Tick (called in timer thread).
|
|
sl@0
|
510 |
*/
|
|
sl@0
|
511 |
EXPORT_C void DPBusPsuBase::DoTickService()
|
|
sl@0
|
512 |
{
|
|
sl@0
|
513 |
OstTraceFunctionEntry1( DPBUSPSUBASE_DOTICKSERVICE_ENTRY, this );
|
|
sl@0
|
514 |
if (iPwrDownCheckFn)
|
|
sl@0
|
515 |
(*iPwrDownCheckFn)(this);
|
|
sl@0
|
516 |
CheckVoltage(KPsuChkWhileOn); // Check voltage level
|
|
sl@0
|
517 |
OstTraceFunctionExit1( DPBUSPSUBASE_DOTICKSERVICE_EXIT, this );
|
|
sl@0
|
518 |
}
|
|
sl@0
|
519 |
|
|
sl@0
|
520 |
|
|
sl@0
|
521 |
/********************************************
|
|
sl@0
|
522 |
* Peripheral bus power handler
|
|
sl@0
|
523 |
********************************************/
|
|
sl@0
|
524 |
DPBusPowerHandler::DPBusPowerHandler(DPBusSocket* aSocket)
|
|
sl@0
|
525 |
: DPowerHandler(*aSocket->iName),
|
|
sl@0
|
526 |
iSocket(aSocket)
|
|
sl@0
|
527 |
{
|
|
sl@0
|
528 |
OstTraceFunctionEntryExt( DPBUSPOWERHANDLER_DPBUSPOWERHANDLER_ENTRY, this );
|
|
sl@0
|
529 |
}
|
|
sl@0
|
530 |
|
|
sl@0
|
531 |
void DPBusPowerHandler::PowerUp()
|
|
sl@0
|
532 |
{
|
|
sl@0
|
533 |
OstTraceFunctionEntry1( DPBUSPOWERHANDLER_POWERUP_ENTRY, this );
|
|
sl@0
|
534 |
iSocket->iPowerUpDfc.Enque();
|
|
sl@0
|
535 |
OstTraceFunctionExit1( DPBUSPOWERHANDLER_POWERUP_EXIT, this );
|
|
sl@0
|
536 |
}
|
|
sl@0
|
537 |
|
|
sl@0
|
538 |
void DPBusPowerHandler::PowerDown(TPowerState)
|
|
sl@0
|
539 |
{
|
|
sl@0
|
540 |
OstTraceFunctionEntry1( DPBUSPOWERHANDLER_POWERDOWN_ENTRY, this );
|
|
sl@0
|
541 |
iSocket->iPowerDownDfc.Enque();
|
|
sl@0
|
542 |
OstTraceFunctionExit1( DPBUSPOWERHANDLER_POWERDOWN_EXIT, this );
|
|
sl@0
|
543 |
}
|
|
sl@0
|
544 |
|
|
sl@0
|
545 |
/********************************************
|
|
sl@0
|
546 |
* Peripheral bus socket base class
|
|
sl@0
|
547 |
********************************************/
|
|
sl@0
|
548 |
void mediaChangeDfc(TAny* aPtr)
|
|
sl@0
|
549 |
{
|
|
sl@0
|
550 |
OstTraceFunctionEntry0( _MEDIACHANGEDFC_ENTRY );
|
|
sl@0
|
551 |
DPBusSocket* pS=(DPBusSocket*)aPtr;
|
|
sl@0
|
552 |
if (pS->iDoorOpened)
|
|
sl@0
|
553 |
pS->DoorOpenEvent();
|
|
sl@0
|
554 |
else
|
|
sl@0
|
555 |
pS->DoorCloseEvent();
|
|
sl@0
|
556 |
OstTraceFunctionExit0( _MEDIACHANGEDFC_EXIT );
|
|
sl@0
|
557 |
}
|
|
sl@0
|
558 |
|
|
sl@0
|
559 |
void powerUpDfc(TAny* aPtr)
|
|
sl@0
|
560 |
{
|
|
sl@0
|
561 |
OstTraceFunctionEntry0( _POWERUPDFC_ENTRY );
|
|
sl@0
|
562 |
DPBusSocket* pS=(DPBusSocket*)aPtr;
|
|
sl@0
|
563 |
pS->DoPowerUp();
|
|
sl@0
|
564 |
OstTraceFunctionExit0( _POWERUPDFC_EXIT );
|
|
sl@0
|
565 |
}
|
|
sl@0
|
566 |
|
|
sl@0
|
567 |
void powerDownDfc(TAny* aPtr)
|
|
sl@0
|
568 |
{
|
|
sl@0
|
569 |
OstTraceFunctionEntry0( _POWERDOWNDFC_ENTRY );
|
|
sl@0
|
570 |
DPBusSocket* pS=(DPBusSocket*)aPtr;
|
|
sl@0
|
571 |
pS->DoPowerDown();
|
|
sl@0
|
572 |
OstTraceFunctionExit0( _POWERDOWNDFC_EXIT );
|
|
sl@0
|
573 |
}
|
|
sl@0
|
574 |
|
|
sl@0
|
575 |
/**
|
|
sl@0
|
576 |
PBus Socket panics. Faults the system.
|
|
sl@0
|
577 |
This will start the Crash Debugger if it is present, otherwise the system is rebooted by calling Kern::Restart(0)
|
|
sl@0
|
578 |
@param aPanic The panic to be raised
|
|
sl@0
|
579 |
@see DPBusSocket::TPanic
|
|
sl@0
|
580 |
*/
|
|
sl@0
|
581 |
EXPORT_C void DPBusSocket::Panic(DPBusSocket::TPanic aPanic)
|
|
sl@0
|
582 |
{
|
|
sl@0
|
583 |
Kern::Fault("PBUS",aPanic);
|
|
sl@0
|
584 |
}
|
|
sl@0
|
585 |
|
|
sl@0
|
586 |
/**
|
|
sl@0
|
587 |
Flags the media driver as entering a critical part of its processing.
|
|
sl@0
|
588 |
In this context, critical means that the driver must be allowed to complete its current activity.
|
|
sl@0
|
589 |
|
|
sl@0
|
590 |
@return KErrNone if successful,
|
|
sl@0
|
591 |
KErrNotReady if there is any postponed events outstanding.
|
|
sl@0
|
592 |
@see DPBusSocket::EndInCritical()
|
|
sl@0
|
593 |
*/
|
|
sl@0
|
594 |
EXPORT_C TInt DPBusSocket::InCritical()
|
|
sl@0
|
595 |
{
|
|
sl@0
|
596 |
OstTraceFunctionEntry1( DPBUSSOCKET_INCRITICAL_ENTRY, this );
|
|
sl@0
|
597 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::InCritical",iSocketNumber));
|
|
sl@0
|
598 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_INCRITICAL, "iSocketNumber=%d",iSocketNumber );
|
|
sl@0
|
599 |
if (iPostponeCount==0 && iPostponedEvents!=0)
|
|
sl@0
|
600 |
{
|
|
sl@0
|
601 |
OstTraceFunctionExitExt( DPBUSSOCKET_INCRITICAL_EXIT1, this, KErrNotReady );
|
|
sl@0
|
602 |
return KErrNotReady; // we are about to do media change/power down
|
|
sl@0
|
603 |
}
|
|
sl@0
|
604 |
++iPostponeCount;
|
|
sl@0
|
605 |
OstTraceFunctionExitExt( DPBUSSOCKET_INCRITICAL_EXIT2, this, KErrNone );
|
|
sl@0
|
606 |
return KErrNone;
|
|
sl@0
|
607 |
}
|
|
sl@0
|
608 |
|
|
sl@0
|
609 |
/**
|
|
sl@0
|
610 |
Flags the media driver as leaving a critical part of its processing.
|
|
sl@0
|
611 |
This function enque the media change DFC or power down DFC depending on the event DPBusSocket::iPostponedEvents.
|
|
sl@0
|
612 |
@see TPostponedEvent
|
|
sl@0
|
613 |
@see DPBusSocket::InCritical()
|
|
sl@0
|
614 |
*/
|
|
sl@0
|
615 |
EXPORT_C void DPBusSocket::EndInCritical()
|
|
sl@0
|
616 |
{
|
|
sl@0
|
617 |
OstTraceFunctionEntry1( DPBUSSOCKET_ENDINCRITICAL_ENTRY, this );
|
|
sl@0
|
618 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::EndInCritical",iSocketNumber));
|
|
sl@0
|
619 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_ENDINCRITICAL1, "iSocketNumber=%d",iSocketNumber);
|
|
sl@0
|
620 |
if (iPostponeCount && --iPostponeCount==0)
|
|
sl@0
|
621 |
{
|
|
sl@0
|
622 |
if (iPostponedEvents & EMediaChange)
|
|
sl@0
|
623 |
{
|
|
sl@0
|
624 |
iMediaChangeDfc.Enque();
|
|
sl@0
|
625 |
__KTRACE_OPT(KPBUS1,Kern::Printf("Media change - done postponed"));
|
|
sl@0
|
626 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_ENDINCRITICAL2, "Media change - done postponed");
|
|
sl@0
|
627 |
}
|
|
sl@0
|
628 |
if (iPostponedEvents & EPowerDown)
|
|
sl@0
|
629 |
{
|
|
sl@0
|
630 |
iPowerDownDfc.Enque();
|
|
sl@0
|
631 |
__KTRACE_OPT2(KPBUS1,KPOWER,Kern::Printf("Power down - done postponed"));
|
|
sl@0
|
632 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_ENDINCRITICAL3, "Power down - done postponed");
|
|
sl@0
|
633 |
}
|
|
sl@0
|
634 |
}
|
|
sl@0
|
635 |
OstTraceFunctionExit1( DPBUSSOCKET_ENDINCRITICAL_EXIT, this );
|
|
sl@0
|
636 |
}
|
|
sl@0
|
637 |
|
|
sl@0
|
638 |
/**
|
|
sl@0
|
639 |
Sets the incremental value of current consumption to aCurrent.
|
|
sl@0
|
640 |
@param aCurrent Delta Current in Milliamps
|
|
sl@0
|
641 |
@see DPowerHandler::DeltaCurrentConsumption()
|
|
sl@0
|
642 |
*/
|
|
sl@0
|
643 |
EXPORT_C void DPBusSocket::DeltaCurrentConsumption(TInt aDelta)
|
|
sl@0
|
644 |
{
|
|
sl@0
|
645 |
OstTraceFunctionEntryExt( DPBUSSOCKET_DELTACURRENTCONSUMPTION_ENTRY, this );
|
|
sl@0
|
646 |
iPowerHandler->DeltaCurrentConsumption(aDelta);
|
|
sl@0
|
647 |
OstTraceFunctionExit1( DPBUSSOCKET_DELTACURRENTCONSUMPTION_EXIT, this );
|
|
sl@0
|
648 |
}
|
|
sl@0
|
649 |
|
|
sl@0
|
650 |
/**
|
|
sl@0
|
651 |
Constructor for DPBusSocket.
|
|
sl@0
|
652 |
Sets the iSocketNumber and initializes the DFC queue for Media Change Dfc, PowerUp Dfc, PowerDown Dfc and PSU Dfc queue.
|
|
sl@0
|
653 |
@param aSocketNumber Pbus socket number
|
|
sl@0
|
654 |
*/
|
|
sl@0
|
655 |
DPBusSocket::DPBusSocket(TInt aSocketNumber)
|
|
sl@0
|
656 |
: iSocketNumber(aSocketNumber),
|
|
sl@0
|
657 |
iMediaChangeDfc(mediaChangeDfc, this, 6),
|
|
sl@0
|
658 |
iPowerUpDfc(powerUpDfc, this, 4),
|
|
sl@0
|
659 |
iPowerDownDfc(powerDownDfc, this, 4),
|
|
sl@0
|
660 |
iPsuDfc(psuDfc, this, 4)
|
|
sl@0
|
661 |
{
|
|
sl@0
|
662 |
OstTraceFunctionEntryExt( DPBUSSOCKET_DPBUSSOCKET_ENTRY, this );
|
|
sl@0
|
663 |
// iPowerGroup=0;
|
|
sl@0
|
664 |
// iName=NULL;
|
|
sl@0
|
665 |
// iState=EPBusCardAbsent;
|
|
sl@0
|
666 |
// iPostponeCount=0;
|
|
sl@0
|
667 |
// iPostponedEvents=0;
|
|
sl@0
|
668 |
// iPowerHandler=NULL;
|
|
sl@0
|
669 |
}
|
|
sl@0
|
670 |
|
|
sl@0
|
671 |
/**
|
|
sl@0
|
672 |
Creates a new Socket.
|
|
sl@0
|
673 |
This method sets the DFC Queue for the driver associated,
|
|
sl@0
|
674 |
Constructs power handler and registers it with the Power Manager.
|
|
sl@0
|
675 |
@param aName Assigns aName to the PBus socket.
|
|
sl@0
|
676 |
@return KErrNone if successful, otherwise one of the other system wide error codes.
|
|
sl@0
|
677 |
@see DPBusPowerHandler
|
|
sl@0
|
678 |
@see iMediaChangeDfc
|
|
sl@0
|
679 |
@see iPowerUpDfc
|
|
sl@0
|
680 |
@see iPowerDownDfc
|
|
sl@0
|
681 |
@see iPsuDfc
|
|
sl@0
|
682 |
*/
|
|
sl@0
|
683 |
TInt DPBusSocket::Create(const TDesC* aName)
|
|
sl@0
|
684 |
{
|
|
sl@0
|
685 |
OstTraceFunctionEntry1( DPBUSSOCKET_CREATE_ENTRY, this );
|
|
sl@0
|
686 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::Create %lS",iSocketNumber,aName));
|
|
sl@0
|
687 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_CREATE, "iSocketNumber=%d",iSocketNumber);
|
|
sl@0
|
688 |
iName=aName;
|
|
sl@0
|
689 |
DPBusPowerHandler* pH=new DPBusPowerHandler(this);
|
|
sl@0
|
690 |
if (!pH)
|
|
sl@0
|
691 |
{
|
|
sl@0
|
692 |
OstTraceFunctionExitExt( DPBUSSOCKET_CREATE_EXIT1, this, KErrNoMemory );
|
|
sl@0
|
693 |
return KErrNoMemory;
|
|
sl@0
|
694 |
}
|
|
sl@0
|
695 |
iPowerHandler=pH;
|
|
sl@0
|
696 |
pH->Add(); // register power handler
|
|
sl@0
|
697 |
TInt r=Kern::DfcQInit(&iDfcQ, KPBusSocketThreadPriority, iName);
|
|
sl@0
|
698 |
if (r!=KErrNone)
|
|
sl@0
|
699 |
{
|
|
sl@0
|
700 |
OstTraceFunctionExitExt( DPBUSSOCKET_CREATE_EXIT2, this, r );
|
|
sl@0
|
701 |
return r;
|
|
sl@0
|
702 |
}
|
|
sl@0
|
703 |
iMediaChangeDfc.SetDfcQ(&iDfcQ);
|
|
sl@0
|
704 |
iPowerUpDfc.SetDfcQ(&iDfcQ);
|
|
sl@0
|
705 |
iPowerDownDfc.SetDfcQ(&iDfcQ);
|
|
sl@0
|
706 |
|
|
sl@0
|
707 |
OstTraceFunctionExitExt( DPBUSSOCKET_CREATE_EXIT3, this, KErrNone );
|
|
sl@0
|
708 |
return KErrNone;
|
|
sl@0
|
709 |
}
|
|
sl@0
|
710 |
|
|
sl@0
|
711 |
/**
|
|
sl@0
|
712 |
Initializes the PBus socket by changing its state to EPBusOff.
|
|
sl@0
|
713 |
@return KErrNone if successful,
|
|
sl@0
|
714 |
otherwise one of the other system wide error codes.
|
|
sl@0
|
715 |
*/
|
|
sl@0
|
716 |
TInt DPBusSocket::Init()
|
|
sl@0
|
717 |
{
|
|
sl@0
|
718 |
OstTraceFunctionEntry1( DPBUSSOCKET_INIT_ENTRY, this );
|
|
sl@0
|
719 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::Init",iSocketNumber));
|
|
sl@0
|
720 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_INIT, "iSocketNumber=%d",iSocketNumber);
|
|
sl@0
|
721 |
__PM_ASSERT(iState == EPBusCardAbsent);
|
|
sl@0
|
722 |
if (MediaState()==EDoorClosed && CardIsPresent())
|
|
sl@0
|
723 |
ChangeState(EPBusOff,KErrNotReady);
|
|
sl@0
|
724 |
OstTraceFunctionExitExt( DPBUSSOCKET_INIT_EXIT, this, KErrNone );
|
|
sl@0
|
725 |
return KErrNone;
|
|
sl@0
|
726 |
}
|
|
sl@0
|
727 |
|
|
sl@0
|
728 |
void DPBusSocket::ResetSocket(TBool aFullReset)
|
|
sl@0
|
729 |
{
|
|
sl@0
|
730 |
OstTraceFunctionEntryExt( DPBUSSOCKET_RESETSOCKET_ENTRY, this );
|
|
sl@0
|
731 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_RESETSOCKET, "iSocketNumber=%d; aFullReset=%d", iSocketNumber, aFullReset);
|
|
sl@0
|
732 |
Reset1();
|
|
sl@0
|
733 |
iVcc->Reset();
|
|
sl@0
|
734 |
if (aFullReset)
|
|
sl@0
|
735 |
Reset2();
|
|
sl@0
|
736 |
OstTraceFunctionExit1( DPBUSSOCKET_RESETSOCKET_EXIT, this );
|
|
sl@0
|
737 |
}
|
|
sl@0
|
738 |
|
|
sl@0
|
739 |
void DPBusSocket::ChangeState(TInt aState, TInt anError)
|
|
sl@0
|
740 |
//
|
|
sl@0
|
741 |
// Change state, notifying all clients
|
|
sl@0
|
742 |
//
|
|
sl@0
|
743 |
{
|
|
sl@0
|
744 |
OstTraceFunctionEntryExt( DPBUSSOCKET_CHANGESTATE_ENTRY, this );
|
|
sl@0
|
745 |
__KTRACE_OPT(KPBUS1,Kern::Printf("Socket %d ChangeState %d to %d, err %d",iSocketNumber,iState,aState,anError));
|
|
sl@0
|
746 |
OstTraceExt4(TRACE_INTERNALS, DPBUSSOCKET_CHANGESTATE , "iSocketNumber=%d; ChangeState %d to %d; anError=%d",iSocketNumber,iState,aState,anError);
|
|
sl@0
|
747 |
if (iState!=aState)
|
|
sl@0
|
748 |
{
|
|
sl@0
|
749 |
if(iState == EPBusCardAbsent && aState == EPBusOff && anError == KErrTimedOut)
|
|
sl@0
|
750 |
{
|
|
sl@0
|
751 |
// Maintain the internal state to EPBusCardAbsent when PSU
|
|
sl@0
|
752 |
// times out to prevent the media from being powered back up.
|
|
sl@0
|
753 |
}
|
|
sl@0
|
754 |
else
|
|
sl@0
|
755 |
{
|
|
sl@0
|
756 |
iState=aState;
|
|
sl@0
|
757 |
}
|
|
sl@0
|
758 |
|
|
sl@0
|
759 |
// notify all clients of state change
|
|
sl@0
|
760 |
SDblQueLink* pC=iCallBackQ.iA.iNext;
|
|
sl@0
|
761 |
while (pC && pC!=&iCallBackQ.iA)
|
|
sl@0
|
762 |
{
|
|
sl@0
|
763 |
((TPBusCallBack*)pC)->NotifyPBusStateChange(aState,anError);
|
|
sl@0
|
764 |
pC=pC->iNext;
|
|
sl@0
|
765 |
}
|
|
sl@0
|
766 |
}
|
|
sl@0
|
767 |
OstTraceFunctionExit1( DPBUSSOCKET_CHANGESTATE_EXIT, this );
|
|
sl@0
|
768 |
}
|
|
sl@0
|
769 |
|
|
sl@0
|
770 |
void DPBusSocket::Isr(TInt anId)
|
|
sl@0
|
771 |
//
|
|
sl@0
|
772 |
// Service a card interrupt
|
|
sl@0
|
773 |
//
|
|
sl@0
|
774 |
{
|
|
sl@0
|
775 |
OstTraceFunctionEntry1( DPBUSSOCKET_ISR_ENTRY, this );
|
|
sl@0
|
776 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_ISR, "iSocketNumber=%d; anId=%d", iSocketNumber, anId );
|
|
sl@0
|
777 |
// notify all interested clients of interrupt
|
|
sl@0
|
778 |
SDblQueLink* pC=iCallBackQ.iA.iNext;
|
|
sl@0
|
779 |
#ifdef _DEBUG
|
|
sl@0
|
780 |
TInt n=0;
|
|
sl@0
|
781 |
#endif
|
|
sl@0
|
782 |
while (pC!=&iCallBackQ.iA)
|
|
sl@0
|
783 |
{
|
|
sl@0
|
784 |
#ifdef _DEBUG
|
|
sl@0
|
785 |
n++;
|
|
sl@0
|
786 |
#endif
|
|
sl@0
|
787 |
((TPBusCallBack*)pC)->Isr(anId);
|
|
sl@0
|
788 |
pC=pC->iNext;
|
|
sl@0
|
789 |
}
|
|
sl@0
|
790 |
#ifdef _DEBUG
|
|
sl@0
|
791 |
__KTRACE_OPT(KPBUS1,Kern::Printf("!%d",n));
|
|
sl@0
|
792 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_ISR2, "!%d", n);
|
|
sl@0
|
793 |
#endif
|
|
sl@0
|
794 |
OstTraceFunctionExit1( DPBUSSOCKET_ISR_EXIT, this );
|
|
sl@0
|
795 |
}
|
|
sl@0
|
796 |
|
|
sl@0
|
797 |
/**
|
|
sl@0
|
798 |
This function adds a callback function to the socket.
|
|
sl@0
|
799 |
@param aCallBack is a pointer to PBus callback function for event notification.
|
|
sl@0
|
800 |
@see TPBusCallBack
|
|
sl@0
|
801 |
*/
|
|
sl@0
|
802 |
EXPORT_C void DPBusSocket::Add(TPBusCallBack* aCallBack)
|
|
sl@0
|
803 |
{
|
|
sl@0
|
804 |
OstTraceFunctionEntry1( DPBUSSOCKET_ADD_ENTRY, this );
|
|
sl@0
|
805 |
__KTRACE_OPT(KPBUS1,Kern::Printf("DPBusSocket(%d)::Add(%08x) next %08x",iSocketNumber,aCallBack,aCallBack->iNext));
|
|
sl@0
|
806 |
OstTraceExt3(TRACE_INTERNALS, DPBUSSOCKET_ADD, "iSocketNumber=%d; aCallBack=0x%08x; aCallBack->iNext=0x%08x",iSocketNumber, (TUint) aCallBack, (TUint) aCallBack->iNext);
|
|
sl@0
|
807 |
TInt irq=NKern::DisableAllInterrupts();
|
|
sl@0
|
808 |
if (!aCallBack->iNext)
|
|
sl@0
|
809 |
iCallBackQ.Add(aCallBack);
|
|
sl@0
|
810 |
NKern::RestoreInterrupts(irq);
|
|
sl@0
|
811 |
OstTraceFunctionExit1( DPBUSSOCKET_ADD_EXIT, this );
|
|
sl@0
|
812 |
}
|
|
sl@0
|
813 |
|
|
sl@0
|
814 |
/**
|
|
sl@0
|
815 |
Called by clients to power up the socket.
|
|
sl@0
|
816 |
@return KErrNone if successful, otherwise one of the other system-wide error codes including:
|
|
sl@0
|
817 |
KErrNotReady if card absent or media change has occurred,
|
|
sl@0
|
818 |
KErrServerBusy if already powering up,
|
|
sl@0
|
819 |
KErrCompletion if already powered up,
|
|
sl@0
|
820 |
KErrCorrupt if PSU fault occurs.
|
|
sl@0
|
821 |
|
|
sl@0
|
822 |
@panic PBUS 1, if PBUS state is invalid.
|
|
sl@0
|
823 |
@see TPBusState
|
|
sl@0
|
824 |
*/
|
|
sl@0
|
825 |
EXPORT_C TInt DPBusSocket::PowerUp()
|
|
sl@0
|
826 |
{
|
|
sl@0
|
827 |
OstTraceFunctionEntry1( DPBUSSOCKET_POWERUP_ENTRY, this );
|
|
sl@0
|
828 |
__KTRACE_OPT2(KPBUS1,KPOWER,Kern::Printf(">DPBusSocket(%d)::PowerUp state %d",iSocketNumber,iState));
|
|
sl@0
|
829 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_POWERUP1, "iSocketNumber=%d; iState=%d",iSocketNumber,iState);
|
|
sl@0
|
830 |
TInt r=KErrNone;
|
|
sl@0
|
831 |
switch (iState)
|
|
sl@0
|
832 |
{
|
|
sl@0
|
833 |
case EPBusCardAbsent: // card absent or media change has occurred
|
|
sl@0
|
834 |
r=KErrNotReady;
|
|
sl@0
|
835 |
break;
|
|
sl@0
|
836 |
case EPBusOff:
|
|
sl@0
|
837 |
break;
|
|
sl@0
|
838 |
case EPBusPoweringUp: // already powering up
|
|
sl@0
|
839 |
case EPBusPowerUpPending:
|
|
sl@0
|
840 |
r=KErrServerBusy;
|
|
sl@0
|
841 |
break;
|
|
sl@0
|
842 |
case EPBusOn: // already powered up
|
|
sl@0
|
843 |
r=KErrCompletion;
|
|
sl@0
|
844 |
break;
|
|
sl@0
|
845 |
case EPBusPsuFault:
|
|
sl@0
|
846 |
r=KErrCorrupt;
|
|
sl@0
|
847 |
break;
|
|
sl@0
|
848 |
default:
|
|
sl@0
|
849 |
Panic(EPowerUpInvalidState);
|
|
sl@0
|
850 |
}
|
|
sl@0
|
851 |
if (r==KErrNone)
|
|
sl@0
|
852 |
{
|
|
sl@0
|
853 |
if (iStandby)
|
|
sl@0
|
854 |
{
|
|
sl@0
|
855 |
// machine is powering down, so delay client until machine powers back up
|
|
sl@0
|
856 |
// remember to power up when machine powers back up
|
|
sl@0
|
857 |
ChangeState(EPBusPowerUpPending,KErrNone);
|
|
sl@0
|
858 |
}
|
|
sl@0
|
859 |
else
|
|
sl@0
|
860 |
{
|
|
sl@0
|
861 |
ChangeState(EPBusPoweringUp,KErrNone);
|
|
sl@0
|
862 |
InitiatePowerUpSequence();
|
|
sl@0
|
863 |
}
|
|
sl@0
|
864 |
}
|
|
sl@0
|
865 |
__KTRACE_OPT2(KPBUS1,KPOWER,Kern::Printf("<DPBusSocket(%d)::PowerUp ret %d, state %d",iSocketNumber,r,iState));
|
|
sl@0
|
866 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_POWERUP2, "iSocketNumber=%d; iState=%d",iSocketNumber,iState);
|
|
sl@0
|
867 |
OstTraceFunctionExitExt( DPBUSSOCKET_POWERUP_EXIT, this, r );
|
|
sl@0
|
868 |
return r;
|
|
sl@0
|
869 |
}
|
|
sl@0
|
870 |
/**
|
|
sl@0
|
871 |
This function is called upon completion of the power up sequence of the device.
|
|
sl@0
|
872 |
This is method is called by the derived class methods to terminate the powerup sequence with error codes.
|
|
sl@0
|
873 |
|
|
sl@0
|
874 |
@param anError One of the system wide error codes.
|
|
sl@0
|
875 |
@see DPBusSocket::InitiatePowerUpSequence()
|
|
sl@0
|
876 |
*/
|
|
sl@0
|
877 |
|
|
sl@0
|
878 |
EXPORT_C void DPBusSocket::PowerUpSequenceComplete(TInt anError)
|
|
sl@0
|
879 |
{
|
|
sl@0
|
880 |
OstTraceFunctionEntry1( DPBUSSOCKET_POWERUPSEQUENCECOMPLETE_ENTRY, this );
|
|
sl@0
|
881 |
__KTRACE_OPT2(KPBUS1,KPOWER,Kern::Printf("DPBusSocket(%d)::PowerUpSequenceComplete state %d error %d",iSocketNumber,iState,anError));
|
|
sl@0
|
882 |
OstTraceExt3(TRACE_INTERNALS, DPBUSSOCKET_POWERUPSEQUENCECOMPLETE, "iSocketNumber=%d; iState=%d; anError=%d",iSocketNumber,iState,anError);
|
|
sl@0
|
883 |
if (iState!=EPBusCardAbsent && iState!=EPBusOff)
|
|
sl@0
|
884 |
{
|
|
sl@0
|
885 |
if (anError==KErrNone)
|
|
sl@0
|
886 |
ChangeState(EPBusOn,KErrNone);
|
|
sl@0
|
887 |
else if (anError==KErrBadPower || anError==KErrAbort || anError==KErrTimedOut)
|
|
sl@0
|
888 |
ChangeState(EPBusOff,anError);
|
|
sl@0
|
889 |
else if (anError == KErrNotReady)
|
|
sl@0
|
890 |
ChangeState(EPBusCardAbsent,KErrAbort);
|
|
sl@0
|
891 |
else
|
|
sl@0
|
892 |
ChangeState(EPBusPsuFault,anError);
|
|
sl@0
|
893 |
}
|
|
sl@0
|
894 |
OstTraceFunctionExit1( DPBUSSOCKET_POWERUPSEQUENCECOMPLETE_EXIT, this );
|
|
sl@0
|
895 |
}
|
|
sl@0
|
896 |
|
|
sl@0
|
897 |
void DPBusSocket::PsuFault(TInt anError)
|
|
sl@0
|
898 |
{
|
|
sl@0
|
899 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::PsuFault state %d error %d",iSocketNumber,iState,anError));
|
|
sl@0
|
900 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_PSUFAULT, "iSocketNumber=%d; iState=%d",iSocketNumber,iState );
|
|
sl@0
|
901 |
ResetSocket(ETrue);
|
|
sl@0
|
902 |
ChangeState(EPBusPsuFault,anError);
|
|
sl@0
|
903 |
}
|
|
sl@0
|
904 |
|
|
sl@0
|
905 |
void DPBusSocket::PsuTimeout()
|
|
sl@0
|
906 |
{
|
|
sl@0
|
907 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::PsuTimeout state %d",iSocketNumber,iState));
|
|
sl@0
|
908 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_PSUTIMEOUT, "iSocketNumber=%d; iState=%d",iSocketNumber,iState );
|
|
sl@0
|
909 |
ResetSocket(EFalse);
|
|
sl@0
|
910 |
ChangeState(EPBusOff,KErrTimedOut);
|
|
sl@0
|
911 |
}
|
|
sl@0
|
912 |
|
|
sl@0
|
913 |
void DPBusSocket::DoPowerUp()
|
|
sl@0
|
914 |
//
|
|
sl@0
|
915 |
// Called on transition from standby
|
|
sl@0
|
916 |
//
|
|
sl@0
|
917 |
{
|
|
sl@0
|
918 |
OstTraceFunctionEntry1( DPBUSSOCKET_DOPOWERUP_ENTRY, this );
|
|
sl@0
|
919 |
|
|
sl@0
|
920 |
__KTRACE_OPT2(KPBUS1,KPOWER,Kern::Printf("DPBusSocket(%d)::DoPowerUp state %d",iSocketNumber,iState));
|
|
sl@0
|
921 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_DOPOWERUP, "iSocketNumber=%d; iState=%d",iSocketNumber,iState );
|
|
sl@0
|
922 |
__PM_ASSERT(iStandby);
|
|
sl@0
|
923 |
if (iState!=EPBusCardAbsent && iState!=EPBusOff && iState!=EPBusPowerUpPending)
|
|
sl@0
|
924 |
Panic(EMcPowerUpInvalidState);
|
|
sl@0
|
925 |
|
|
sl@0
|
926 |
// when we power up, check whether the door is closed and a card is present
|
|
sl@0
|
927 |
// if so we should start in state Off otherwise in state CardAbsent
|
|
sl@0
|
928 |
|
|
sl@0
|
929 |
TMediaState doorState = MediaState();
|
|
sl@0
|
930 |
TBool cardIsPresent = CardIsPresent();
|
|
sl@0
|
931 |
|
|
sl@0
|
932 |
#ifdef __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
933 |
// Override the default media state is we are simulating media change
|
|
sl@0
|
934 |
if(iSimulatedMediaState != DPBusSocket::EPeriphBusMediaNormal)
|
|
sl@0
|
935 |
{
|
|
sl@0
|
936 |
doorState = (iSimulatedMediaState == DPBusSocket::EPeriphBusDoorOpen) ? EDoorOpen : EDoorClosed;
|
|
sl@0
|
937 |
cardIsPresent = (iSimulatedMediaState == DPBusSocket::EPeriphBusMediaPresent);
|
|
sl@0
|
938 |
}
|
|
sl@0
|
939 |
#endif
|
|
sl@0
|
940 |
|
|
sl@0
|
941 |
if (!(doorState==EDoorClosed && cardIsPresent))
|
|
sl@0
|
942 |
ChangeState(EPBusCardAbsent,KErrNotReady);
|
|
sl@0
|
943 |
else if (iState==EPBusPowerUpPending)
|
|
sl@0
|
944 |
{
|
|
sl@0
|
945 |
// if a power-up request is pending, process it now
|
|
sl@0
|
946 |
ChangeState(EPBusPoweringUp,KErrNone);
|
|
sl@0
|
947 |
InitiatePowerUpSequence();
|
|
sl@0
|
948 |
}
|
|
sl@0
|
949 |
else
|
|
sl@0
|
950 |
ChangeState(EPBusOff,KErrNotReady);
|
|
sl@0
|
951 |
iStandby = EFalse;
|
|
sl@0
|
952 |
iPowerHandler->PowerUpDone();
|
|
sl@0
|
953 |
OstTraceFunctionExit1( DPBUSSOCKET_DOPOWERUP_EXIT, this );
|
|
sl@0
|
954 |
}
|
|
sl@0
|
955 |
|
|
sl@0
|
956 |
void DPBusSocket::DoPowerDown()
|
|
sl@0
|
957 |
//
|
|
sl@0
|
958 |
// Called by DPowerManager on transition to standby
|
|
sl@0
|
959 |
//
|
|
sl@0
|
960 |
{
|
|
sl@0
|
961 |
OstTraceFunctionEntry1( DPBUSSOCKET_DOPOWERDOWN_ENTRY, this );
|
|
sl@0
|
962 |
__KTRACE_OPT2(KPBUS1,KPOWER,Kern::Printf("DPBusSocket(%d)::DoPowerDown state %d",iSocketNumber,iState));
|
|
sl@0
|
963 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_DOPOWERDOWN1, "iSocketNumber=%d; iState=%d",iSocketNumber,iState );
|
|
sl@0
|
964 |
__PM_ASSERT(!iStandby);
|
|
sl@0
|
965 |
if (iPostponeCount)
|
|
sl@0
|
966 |
{
|
|
sl@0
|
967 |
iPostponedEvents |= EPowerDown;
|
|
sl@0
|
968 |
__KTRACE_OPT(KPBUS1,Kern::Printf("Power down postponed"));
|
|
sl@0
|
969 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_DOPOWERDOWN2, "Power down postponed");
|
|
sl@0
|
970 |
return;
|
|
sl@0
|
971 |
}
|
|
sl@0
|
972 |
iPostponedEvents &= ~EPowerDown;
|
|
sl@0
|
973 |
switch (iState)
|
|
sl@0
|
974 |
{
|
|
sl@0
|
975 |
case EPBusPoweringUp:
|
|
sl@0
|
976 |
case EPBusOn:
|
|
sl@0
|
977 |
case EPBusPsuFault:
|
|
sl@0
|
978 |
ChangeState(EPBusOff,KErrNone);
|
|
sl@0
|
979 |
case EPBusCardAbsent:
|
|
sl@0
|
980 |
case EPBusOff:
|
|
sl@0
|
981 |
case EPBusPowerUpPending:
|
|
sl@0
|
982 |
break;
|
|
sl@0
|
983 |
default:
|
|
sl@0
|
984 |
Panic(EEmergencyPowerDownInvalidState);
|
|
sl@0
|
985 |
}
|
|
sl@0
|
986 |
|
|
sl@0
|
987 |
if(iRequestPowerDownCount == 0)
|
|
sl@0
|
988 |
{
|
|
sl@0
|
989 |
ResetSocket(EFalse);
|
|
sl@0
|
990 |
iStandby = ETrue;
|
|
sl@0
|
991 |
iPowerHandler->PowerDownDone();
|
|
sl@0
|
992 |
}
|
|
sl@0
|
993 |
OstTraceFunctionExit1( DUP1_DPBUSSOCKET_DOPOWERDOWN_EXIT, this );
|
|
sl@0
|
994 |
}
|
|
sl@0
|
995 |
|
|
sl@0
|
996 |
/**
|
|
sl@0
|
997 |
Notifies the socket that we are deferring this power down event.
|
|
sl@0
|
998 |
The function increments the iRequestPowerDownCount reference count
|
|
sl@0
|
999 |
@see DPBusSocket::PowerDownComplete()
|
|
sl@0
|
1000 |
*/
|
|
sl@0
|
1001 |
EXPORT_C void DPBusSocket::RequestAsyncPowerDown()
|
|
sl@0
|
1002 |
{
|
|
sl@0
|
1003 |
__KTRACE_OPT(KPBUS1,Kern::Printf("DPBusSocket::RequestAsyncPowerDown"));
|
|
sl@0
|
1004 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_REQUESTASYNCPOWERDOWN1, "DPBusSocket::RequestAsyncPowerDown");
|
|
sl@0
|
1005 |
__e32_atomic_add_ord32(&iRequestPowerDownCount, 1);
|
|
sl@0
|
1006 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" >> count=%d", iRequestPowerDownCount));
|
|
sl@0
|
1007 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_REQUESTASYNCPOWERDOWN2, "iRequestPowerDownCount=%d", iRequestPowerDownCount);
|
|
sl@0
|
1008 |
}
|
|
sl@0
|
1009 |
|
|
sl@0
|
1010 |
/**
|
|
sl@0
|
1011 |
This function power down the PBus. Powers down the PBus if iRequestPowerDownCount is equal to 1.
|
|
sl@0
|
1012 |
@see DPBusSocket::RequestAsyncPowerDown()
|
|
sl@0
|
1013 |
@see iRequestPowerDownCount
|
|
sl@0
|
1014 |
*/
|
|
sl@0
|
1015 |
EXPORT_C void DPBusSocket::PowerDownComplete()
|
|
sl@0
|
1016 |
{
|
|
sl@0
|
1017 |
__KTRACE_OPT(KPBUS1,Kern::Printf("DPBusSocket::PowerDownComplete"));
|
|
sl@0
|
1018 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_POWERDOWNCOMPLETE, "DPBusSocket::PowerDownComplete");
|
|
sl@0
|
1019 |
if (__e32_atomic_tas_ord32(&iRequestPowerDownCount, 1, -1, 0) == 1)
|
|
sl@0
|
1020 |
{
|
|
sl@0
|
1021 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" > Signalling Power Down (deferred)"));
|
|
sl@0
|
1022 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_POWERDOWNCOMPLETE2, "Signalling Power Down (deferred)");
|
|
sl@0
|
1023 |
DoPowerDown();
|
|
sl@0
|
1024 |
}
|
|
sl@0
|
1025 |
__KTRACE_OPT(KPBUS1,Kern::Printf(" >> count=%d", iRequestPowerDownCount));
|
|
sl@0
|
1026 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_POWERDOWNCOMPLETE3, "iRequestPowerDownCount=%d", iRequestPowerDownCount);
|
|
sl@0
|
1027 |
}
|
|
sl@0
|
1028 |
|
|
sl@0
|
1029 |
/**
|
|
sl@0
|
1030 |
This function is called by the local media device driver to force a remount of the media device.
|
|
sl@0
|
1031 |
@see DMediaChangeBase::ForceMediaChange()
|
|
sl@0
|
1032 |
*/
|
|
sl@0
|
1033 |
EXPORT_C void DPBusSocket::ForceMediaChange()
|
|
sl@0
|
1034 |
{
|
|
sl@0
|
1035 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_FORCEMEDIACHANGE, "iSocketNumber=%d", iSocketNumber);
|
|
sl@0
|
1036 |
iMediaChange->ForceMediaChange();
|
|
sl@0
|
1037 |
}
|
|
sl@0
|
1038 |
|
|
sl@0
|
1039 |
void DPBusSocket::MediaChangeEvent(TBool aDoorOpened)
|
|
sl@0
|
1040 |
//
|
|
sl@0
|
1041 |
// Called in high-priority DFC
|
|
sl@0
|
1042 |
//
|
|
sl@0
|
1043 |
{
|
|
sl@0
|
1044 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::MediaChangeEvent %d state %d",iSocketNumber,aDoorOpened,iState));
|
|
sl@0
|
1045 |
OstTraceExt3(TRACE_INTERNALS, DPBUSSOCKET_MEDIACHANGEEVENT, "iSocketNumber=%d; aDoorOpened=%d; iState=%d",iSocketNumber,aDoorOpened,iState);
|
|
sl@0
|
1046 |
iDoorOpened=aDoorOpened;
|
|
sl@0
|
1047 |
iMediaChangeDfc.Enque();
|
|
sl@0
|
1048 |
}
|
|
sl@0
|
1049 |
|
|
sl@0
|
1050 |
void DPBusSocket::DoorOpenEvent()
|
|
sl@0
|
1051 |
//
|
|
sl@0
|
1052 |
// Called in socket thread
|
|
sl@0
|
1053 |
//
|
|
sl@0
|
1054 |
{
|
|
sl@0
|
1055 |
OstTraceFunctionEntry1( DPBUSSOCKET_DOOROPENEVENT_ENTRY, this );
|
|
sl@0
|
1056 |
|
|
sl@0
|
1057 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::DoorOpenEvent state %d",iSocketNumber,iState));
|
|
sl@0
|
1058 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_DOOROPENEVENT1, "iSocketNumber=%d; iState=%d",iSocketNumber,iState);
|
|
sl@0
|
1059 |
|
|
sl@0
|
1060 |
if (iPostponeCount)
|
|
sl@0
|
1061 |
{
|
|
sl@0
|
1062 |
iPostponedEvents |= EMediaChange;
|
|
sl@0
|
1063 |
__KTRACE_OPT(KPBUS1,Kern::Printf("Media change postponed"));
|
|
sl@0
|
1064 |
OstTraceFunctionExit1( DPBUSSOCKET_DOOROPENEVENT_EXIT1, this );
|
|
sl@0
|
1065 |
return;
|
|
sl@0
|
1066 |
}
|
|
sl@0
|
1067 |
iPostponedEvents &= ~EMediaChange;
|
|
sl@0
|
1068 |
|
|
sl@0
|
1069 |
// notify all clients of media change
|
|
sl@0
|
1070 |
ChangeState(EPBusCardAbsent,KErrNotReady);
|
|
sl@0
|
1071 |
|
|
sl@0
|
1072 |
// power down the socket
|
|
sl@0
|
1073 |
ResetSocket(ETrue);
|
|
sl@0
|
1074 |
|
|
sl@0
|
1075 |
// get the media state befor calling AcknowledgeEvent() as the PSL may start a debounce
|
|
sl@0
|
1076 |
// timer on this call and return EDoorOpen while the timer is active....
|
|
sl@0
|
1077 |
TMediaState mediaState = MediaState();
|
|
sl@0
|
1078 |
|
|
sl@0
|
1079 |
#ifdef __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
1080 |
// Only acknowledge the media change to the PSL if we are running in normal mode
|
|
sl@0
|
1081 |
if(iSimulatedMediaState == EPeriphBusMediaNormal)
|
|
sl@0
|
1082 |
iMediaChange->AcknowledgeEvent(ETrue);
|
|
sl@0
|
1083 |
#else
|
|
sl@0
|
1084 |
iMediaChange->AcknowledgeEvent(ETrue);
|
|
sl@0
|
1085 |
#endif
|
|
sl@0
|
1086 |
|
|
sl@0
|
1087 |
// If there are multiple doors, then it is assumed that :
|
|
sl@0
|
1088 |
// - DMediaChangeBase::MediaState() will return EDoorClosed if ANY door is closed, and
|
|
sl@0
|
1089 |
// - DPBusSocket::CardIsPresent() will return ETrue if ANY card is present
|
|
sl@0
|
1090 |
// so that if, for example, one door is open and one door closed, then the bus will
|
|
sl@0
|
1091 |
// power down and then up again when one of the cards is next accessed.
|
|
sl@0
|
1092 |
// NB This doesn't worrk for a simulated media change since this doesn't affect the
|
|
sl@0
|
1093 |
// PSL's door state
|
|
sl@0
|
1094 |
#ifdef __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
1095 |
if ((iSimulatedMediaState == EPeriphBusMediaNormal) &&
|
|
sl@0
|
1096 |
(mediaState == EDoorClosed && CardIsPresent()))
|
|
sl@0
|
1097 |
#else
|
|
sl@0
|
1098 |
if (mediaState == EDoorClosed && CardIsPresent())
|
|
sl@0
|
1099 |
#endif
|
|
sl@0
|
1100 |
{
|
|
sl@0
|
1101 |
__KTRACE_OPT(KPBUS1,Kern::Printf("At least 1 door still closed"));;
|
|
sl@0
|
1102 |
OstTrace0(TRACE_INTERNALS, DPBUSSOCKET_DOOROPENEVENT2 , "At least 1 door still closed");
|
|
sl@0
|
1103 |
ChangeState(EPBusOff,KErrNotReady);
|
|
sl@0
|
1104 |
}
|
|
sl@0
|
1105 |
|
|
sl@0
|
1106 |
OstTraceFunctionExit1( DPBUSSOCKET_DOOROPENEVENT_EXIT2, this );
|
|
sl@0
|
1107 |
}
|
|
sl@0
|
1108 |
|
|
sl@0
|
1109 |
void DPBusSocket::DoorCloseEvent()
|
|
sl@0
|
1110 |
{
|
|
sl@0
|
1111 |
OstTraceFunctionEntry1( DPBUSSOCKET_DOORCLOSEEVENT_ENTRY, this );
|
|
sl@0
|
1112 |
__KTRACE_OPT(KPBUS1,Kern::Printf(">DPBusSocket(%d)::DoorCloseEvent state %d",iSocketNumber,iState));
|
|
sl@0
|
1113 |
OstTraceExt2(TRACE_INTERNALS, DPBUSSOCKET_DOORCLOSEEVENT , "iSocketNumber=%d; iState=%d",iSocketNumber,iState);
|
|
sl@0
|
1114 |
|
|
sl@0
|
1115 |
// NB If there are multiple doors then the bus may already be powererd up,
|
|
sl@0
|
1116 |
// so it's not possible to determine the bus state.
|
|
sl@0
|
1117 |
//if (iState!=EPBusCardAbsent)
|
|
sl@0
|
1118 |
// Panic(EDoorCloseInvalidState);
|
|
sl@0
|
1119 |
|
|
sl@0
|
1120 |
// door has been closed - check for a card
|
|
sl@0
|
1121 |
|
|
sl@0
|
1122 |
TBool cardIsPresent = CardIsPresent();
|
|
sl@0
|
1123 |
|
|
sl@0
|
1124 |
#ifdef __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
1125 |
// Override the default drive state if we are simulating the media state
|
|
sl@0
|
1126 |
if((iSimulatedMediaState == EPeriphBusDoorOpen) || (iSimulatedMediaState == EPeriphBusMediaRemoved))
|
|
sl@0
|
1127 |
cardIsPresent = EFalse;
|
|
sl@0
|
1128 |
#endif
|
|
sl@0
|
1129 |
|
|
sl@0
|
1130 |
|
|
sl@0
|
1131 |
if (cardIsPresent)
|
|
sl@0
|
1132 |
{
|
|
sl@0
|
1133 |
if (iState == EPBusCardAbsent)
|
|
sl@0
|
1134 |
{
|
|
sl@0
|
1135 |
// Notifies clients of a media change
|
|
sl@0
|
1136 |
ChangeState(EPBusOff,KErrNotReady);
|
|
sl@0
|
1137 |
}
|
|
sl@0
|
1138 |
else // if there's already a card present (iState != EPBusCardAbsent), power the bus off and on
|
|
sl@0
|
1139 |
{
|
|
sl@0
|
1140 |
// Notify clients of a media change, cancel any outstanding requests, close media driver(s)
|
|
sl@0
|
1141 |
// and set the DPrimaryMediaBase's state to EClosed to force a subsequent power-up
|
|
sl@0
|
1142 |
ChangeState(EPBusCardAbsent,KErrNotReady);
|
|
sl@0
|
1143 |
ChangeState(EPBusOff,KErrNotReady);
|
|
sl@0
|
1144 |
// NB Don't power down the socket when iState == EPBusCardAbsent as this can take a small amount of time
|
|
sl@0
|
1145 |
// and will cause DPBusPrimaryMedia::QuickCheckStatus() to return KErrNotReady in the meantime: this will
|
|
sl@0
|
1146 |
// result in any requests to the DPrimaryMediaBase being completed IMMEDIATELY with KErrNotReady, i.e. the
|
|
sl@0
|
1147 |
// requests won't be queued until the power up completes.
|
|
sl@0
|
1148 |
ResetSocket(ETrue);
|
|
sl@0
|
1149 |
}
|
|
sl@0
|
1150 |
}
|
|
sl@0
|
1151 |
|
|
sl@0
|
1152 |
#ifdef __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
1153 |
// Only acknowledge the media change to the PSL if we are running in normal mode
|
|
sl@0
|
1154 |
if(iSimulatedMediaState == EPeriphBusMediaNormal)
|
|
sl@0
|
1155 |
iMediaChange->AcknowledgeEvent(EFalse);
|
|
sl@0
|
1156 |
#else
|
|
sl@0
|
1157 |
iMediaChange->AcknowledgeEvent(EFalse);
|
|
sl@0
|
1158 |
#endif
|
|
sl@0
|
1159 |
OstTraceFunctionExit1( DPBUSSOCKET_DOORCLOSEEVENT_EXIT, this );
|
|
sl@0
|
1160 |
}
|
|
sl@0
|
1161 |
/**
|
|
sl@0
|
1162 |
Gets pointer to the PBus Socket corresponding to the opened logical unit.
|
|
sl@0
|
1163 |
@param anId logical id of the PBus Socket.
|
|
sl@0
|
1164 |
@return Pointer to the PBusSocket for valid anId, else NULL.
|
|
sl@0
|
1165 |
*/
|
|
sl@0
|
1166 |
EXPORT_C DPBusSocket* DPBusSocket::SocketFromId(TInt anId)
|
|
sl@0
|
1167 |
{
|
|
sl@0
|
1168 |
OstTraceFunctionEntry0( DPBUSSOCKET_SOCKETFROMID_ENTRY );
|
|
sl@0
|
1169 |
if (anId>=0 && anId<KMaxPBusSockets)
|
|
sl@0
|
1170 |
{
|
|
sl@0
|
1171 |
OstTraceFunctionExit0( DPBUSSOCKET_SOCKETFROMID_EXIT1 );
|
|
sl@0
|
1172 |
return TheSockets[anId];
|
|
sl@0
|
1173 |
}
|
|
sl@0
|
1174 |
OstTraceFunctionExit0( DPBUSSOCKET_SOCKETFROMID_EXIT2 );
|
|
sl@0
|
1175 |
return NULL;
|
|
sl@0
|
1176 |
}
|
|
sl@0
|
1177 |
|
|
sl@0
|
1178 |
/**
|
|
sl@0
|
1179 |
Default implementation for handling debug functionality.
|
|
sl@0
|
1180 |
This function can only be used if __ENABLE_SIMULATED_MEDIA_CHANGE is defined.
|
|
sl@0
|
1181 |
Otherwise, this method is not implemented and it always returns KErrNotSupported.
|
|
sl@0
|
1182 |
|
|
sl@0
|
1183 |
@param aFunction refer to TPBusDebugFunction
|
|
sl@0
|
1184 |
@param aParam1 Simulated media state.
|
|
sl@0
|
1185 |
@param aParam2 Not used in this method.
|
|
sl@0
|
1186 |
@return KErrNone - if successful, otherwise one of the other system-wide error
|
|
sl@0
|
1187 |
codes including:
|
|
sl@0
|
1188 |
KErrNotSupported - if aFunction is invalid or __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
1189 |
is not defined,
|
|
sl@0
|
1190 |
KErrArgument - if aParam1 does not corresponds to TPBusSimulateMediaState.
|
|
sl@0
|
1191 |
@see TPBusSimulateMediaState
|
|
sl@0
|
1192 |
@see TPBusDebugFunction
|
|
sl@0
|
1193 |
*/
|
|
sl@0
|
1194 |
EXPORT_C TInt DPBusSocket::ControlIO(TInt aFunction, TAny* aParam1, TAny* /*aParam2*/)
|
|
sl@0
|
1195 |
{
|
|
sl@0
|
1196 |
OstTraceExt3(TRACE_FLOW, DPBUSSOCKET_CONTROLIO_ENTRY,"DPBusSocket::ControlIO;aFunction=%d;aParam1=%d;this=%x", (TInt) aFunction, (TInt) aParam1, (TUint) this);
|
|
sl@0
|
1197 |
TInt err = KErrNone;
|
|
sl@0
|
1198 |
|
|
sl@0
|
1199 |
switch(aFunction)
|
|
sl@0
|
1200 |
{
|
|
sl@0
|
1201 |
case EControlMediaState:
|
|
sl@0
|
1202 |
//
|
|
sl@0
|
1203 |
// EOverrideMediaState - Set the media state manually for simulation purposes.
|
|
sl@0
|
1204 |
// - aParam1 : Simulated Media State (TPBusSimulateMediaState)
|
|
sl@0
|
1205 |
//
|
|
sl@0
|
1206 |
{
|
|
sl@0
|
1207 |
#ifdef __ENABLE_SIMULATED_MEDIA_CHANGE
|
|
sl@0
|
1208 |
TUint16 newState = (TUint16)(TInt)aParam1;
|
|
sl@0
|
1209 |
if(newState != iSimulatedMediaState)
|
|
sl@0
|
1210 |
{
|
|
sl@0
|
1211 |
iSimulatedMediaState = newState;
|
|
sl@0
|
1212 |
OstTrace1(TRACE_INTERNALS, DPBUSSOCKET_CONTROLIO , "iSimulatedMediaState=%d",iSimulatedMediaState);
|
|
sl@0
|
1213 |
switch(iSimulatedMediaState)
|
|
sl@0
|
1214 |
{
|
|
sl@0
|
1215 |
case EPeriphBusMediaNormal:
|
|
sl@0
|
1216 |
//
|
|
sl@0
|
1217 |
// Normal state
|
|
sl@0
|
1218 |
// - Signal that the door is open and generate a media change.
|
|
sl@0
|
1219 |
//
|
|
sl@0
|
1220 |
iMediaChange->MediaChangeEvent(ETrue);
|
|
sl@0
|
1221 |
break;
|
|
sl@0
|
1222 |
|
|
sl@0
|
1223 |
case EPeriphBusDoorOpen:
|
|
sl@0
|
1224 |
//
|
|
sl@0
|
1225 |
// Simulated door open or back to normal state.
|
|
sl@0
|
1226 |
// - Signal that the door is open and generate a media change.
|
|
sl@0
|
1227 |
//
|
|
sl@0
|
1228 |
MediaChangeEvent(ETrue);
|
|
sl@0
|
1229 |
break;
|
|
sl@0
|
1230 |
|
|
sl@0
|
1231 |
case EPeriphBusMediaRemoved:
|
|
sl@0
|
1232 |
case EPeriphBusMediaPresent:
|
|
sl@0
|
1233 |
//
|
|
sl@0
|
1234 |
// Simulated door close with media present or absent
|
|
sl@0
|
1235 |
// - Signal that the door is closed.
|
|
sl@0
|
1236 |
//
|
|
sl@0
|
1237 |
MediaChangeEvent(EFalse);
|
|
sl@0
|
1238 |
break;
|
|
sl@0
|
1239 |
|
|
sl@0
|
1240 |
case EPeriphBusMediaDoubleDoorOpen:
|
|
sl@0
|
1241 |
// simulate 2 door open interrupts
|
|
sl@0
|
1242 |
iSimulatedMediaState = EPeriphBusMediaNormal;
|
|
sl@0
|
1243 |
iMediaChange->MediaChangeEvent(ETrue);
|
|
sl@0
|
1244 |
iMediaChange->MediaChangeEvent(ETrue);
|
|
sl@0
|
1245 |
break;
|
|
sl@0
|
1246 |
|
|
sl@0
|
1247 |
default:
|
|
sl@0
|
1248 |
//
|
|
sl@0
|
1249 |
// Unsupported media state
|
|
sl@0
|
1250 |
//
|
|
sl@0
|
1251 |
err = KErrArgument;
|
|
sl@0
|
1252 |
break;
|
|
sl@0
|
1253 |
}
|
|
sl@0
|
1254 |
}
|
|
sl@0
|
1255 |
#else
|
|
sl@0
|
1256 |
aParam1 = aParam1;
|
|
sl@0
|
1257 |
err = KErrNotSupported;
|
|
sl@0
|
1258 |
#endif
|
|
sl@0
|
1259 |
break;
|
|
sl@0
|
1260 |
}
|
|
sl@0
|
1261 |
|
|
sl@0
|
1262 |
default:
|
|
sl@0
|
1263 |
err = KErrNotSupported;
|
|
sl@0
|
1264 |
break;
|
|
sl@0
|
1265 |
}
|
|
sl@0
|
1266 |
|
|
sl@0
|
1267 |
OstTraceFunctionExitExt( DPBUSSOCKET_CONTROLIO_EXIT, this, err );
|
|
sl@0
|
1268 |
return err;
|
|
sl@0
|
1269 |
}
|
|
sl@0
|
1270 |
|
|
sl@0
|
1271 |
/********************************************
|
|
sl@0
|
1272 |
* Extension entry point
|
|
sl@0
|
1273 |
********************************************/
|
|
sl@0
|
1274 |
|
|
sl@0
|
1275 |
GLDEF_C TInt KernelModuleEntry(TInt aReason)
|
|
sl@0
|
1276 |
{
|
|
sl@0
|
1277 |
if (aReason==KModuleEntryReasonExtensionInit0 || aReason==KModuleEntryReasonExtensionInit1)
|
|
sl@0
|
1278 |
return KErrNone;
|
|
sl@0
|
1279 |
return KErrArgument;
|
|
sl@0
|
1280 |
}
|
|
sl@0
|
1281 |
|
|
sl@0
|
1282 |
|
|
sl@0
|
1283 |
|
|
sl@0
|
1284 |
|
|
sl@0
|
1285 |
|