1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/drivers/pbus/pccard/epoc/pccd_medchg.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,102 @@
1.4 +// Copyright (c) 1995-2009 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 the License "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 +// e32\drivers\pbus\pccard\epoc\pccd_medchg.cpp
1.18 +//
1.19 +//
1.20 +
1.21 +#include <pccd_medchg.h>
1.22 +
1.23 +DPlatPcCardMediaChange::DPlatPcCardMediaChange(TInt aMediaChangeNum)
1.24 +//
1.25 +// Constructor
1.26 +//
1.27 + : DPcCardMediaChange(aMediaChangeNum),
1.28 + iDelayCallBack(DelayCallBack,this)
1.29 + {
1.30 + }
1.31 +
1.32 +TInt DPlatPcCardMediaChange::Create()
1.33 +//
1.34 +// Initialiser.
1.35 +//
1.36 + {
1.37 +
1.38 + TInt r=DPcCardMediaChange::Create();
1.39 + if (r==KErrNone)
1.40 + {
1.41 + iMedChgIntId=ThePccdCntrlInterface->IntIdMediaChange(iMediaChangeNum);
1.42 + r=Interrupt::Bind(iMedChgIntId,Isr,this);
1.43 + }
1.44 + __KTRACE_OPT(KPBUS1,Kern::Printf("<PlatMedCh:Init(M:%d)-%d",iMediaChangeNum,r));
1.45 + return(r);
1.46 + }
1.47 +
1.48 +void DPlatPcCardMediaChange::Isr(TAny *aPtr)
1.49 +//
1.50 +// Handle the media change (this function, never postponed is called on media
1.51 +// change interrupt).
1.52 +//
1.53 + {
1.54 + __KTRACE_OPT(KFAIL,Kern::Printf("!^"));
1.55 + DPlatPcCardMediaChange* pM=(DPlatPcCardMediaChange*)aPtr;
1.56 + Interrupt::Disable(pM->iMedChgIntId);
1.57 + ThePccdCntrlInterface->ClearMediaChange(pM->iMediaChangeNum);
1.58 + pM->DoorOpenService();
1.59 + }
1.60 +
1.61 +void DPlatPcCardMediaChange::DelayCallBack(TAny *aPtr)
1.62 +//
1.63 +// Timer callback after media change
1.64 +//
1.65 + {
1.66 + DPlatPcCardMediaChange* pM=(DPlatPcCardMediaChange*)aPtr;
1.67 + pM->DoorClosedService();
1.68 + }
1.69 +
1.70 +void DPlatPcCardMediaChange::ForceMediaChange()
1.71 + {
1.72 + Interrupt::Disable(iMedChgIntId);
1.73 + ThePccdCntrlInterface->ClearMediaChange(iMediaChangeNum);
1.74 + DoorOpenService();
1.75 + }
1.76 +
1.77 +void DPlatPcCardMediaChange::DoDoorOpen()
1.78 +//
1.79 +// Called after media change has been recognised
1.80 +//
1.81 + {
1.82 +
1.83 + __KTRACE_OPT(KPBUS2,Kern::Printf(">PlatMedCh(%d):DoDoorOpen",iMediaChangeNum));
1.84 + iDelayCallBack.OneShot(NKern::TimerTicks(20),ETrue);
1.85 + }
1.86 +
1.87 +void DPlatPcCardMediaChange::DoDoorClosed()
1.88 +//
1.89 +// Handle the media door closing (called on tick).
1.90 +//
1.91 + {
1.92 +
1.93 + ThePccdCntrlInterface->ClearMediaChange(iMediaChangeNum);
1.94 + Interrupt::Enable(iMedChgIntId);
1.95 + }
1.96 +
1.97 +TMediaState DPlatPcCardMediaChange::MediaState()
1.98 +//
1.99 +// Return status of media changed signal.
1.100 +//
1.101 + {
1.102 +
1.103 + return ThePccdCntrlInterface->MediaState(iMediaChangeNum);
1.104 + }
1.105 +