omap3530/shared/tps65950/tps65950.cpp
author Lukasz Forynski <lukasz.forynski@gmail.com>
Mon, 23 Aug 2010 02:29:41 +0100
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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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// \omap3530\omap3530_assp\shared\tps65950\tps65950.cpp
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// Access driver for TPS65950
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// This file is part of the Beagle Base port
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//
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#include <e32cmn.h>
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#include <kernel.h>
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#include <nk_priv.h>
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//#include <e32atomics.h>
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#include <omap3530_i2c.h>
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#include <omap3530_i2creg.h>
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#include "tps65950.h"
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GLREF_C TInt InitInterrupts();
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const TUint KGroupCount = 5;
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// One handle per group on TPS65950
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static I2c::THandle	I2cHandle[ KGroupCount ];
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// One DCB per group
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static I2c::TConfigPb TheDcb[ KGroupCount ];
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// I2C transfer object
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enum TPhase
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	{
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	EAddressPb,
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	EDataPb
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	};
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static I2c::TTransferPb TheTransferPb[2];
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// Group index to Group number
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static const TUint8 KGroupIndexToGroupNumber[ KGroupCount ] =
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	{ 0x12, 0x48, 0x49, 0x4a, 0x4b };
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// Queue of requests
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static SDblQue TheQueue;
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// Current state
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enum TState
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	{
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	EIdle,
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	EPending,
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	EReading,
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	EWriting,
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	EUnprotectPhase0
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	};
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static TState CurrentState;
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TPS65950::TReq* CurrentPhaseReq;
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TPS65950::TReq* PreviousPhaseReq;
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LOCAL_D TUint8 IsInitialized;	// auto-cleared to EFalse
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const TUint8	KUnprotectPhase0Data	= 0xCE;
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const TUint8	KUnprotectPhase1Data	= 0xEC;
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static const TUint8 KUnprotectData[4] =
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	{
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	TPS65950::Register::PROTECT_KEY bitand TPS65950::Register::KRegisterMask, KUnprotectPhase0Data,
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	TPS65950::Register::PROTECT_KEY bitand TPS65950::Register::KRegisterMask, KUnprotectPhase1Data,
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	};
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static const TUint8 KProtectData[2] =
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	{
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	TPS65950::Register::PROTECT_KEY bitand TPS65950::Register::KRegisterMask, 0
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	};
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static TUint8 TempWriteBuf[2];
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// Spinlock to protect queue when adding or removing items
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//static TSpinLock QueueLock(TSpinLock::EOrderGenericIrqLow1+1);
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//static TSpinLock QueueLock();
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GLDEF_D TDfcQue*	TheDfcQue;
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const TInt KDfcQuePriority	= 27;
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_LIT( KDriverNameDes, "tps65950" );
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TInt TheProtectionUsageCount = 0;
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LOCAL_C void InternalPanic( TInt aLine )
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	{
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	Kern::Fault( "tps65950", aLine );
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	}
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#ifdef _DEBUG
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LOCAL_C void PanicClient( TPS65950::TPanic aPanic )
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	{
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	Kern::PanicCurrentThread( KDriverNameDes, aPanic );
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	}
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#endif
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namespace TPS65950
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{
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void CompletionDfcFunction( TAny* aParam );
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void SyncDfcFunction( TAny* aParam );
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void DummyDfcFunction( TAny* aParam );
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static TDfc CompletionDfc( CompletionDfcFunction, NULL, 1 );
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static TDfc DummyDfc( CompletionDfcFunction, NULL, 1 );
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FORCE_INLINE TReq& ReqFromLink( SDblQueLink* aLink )
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	{
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	return *_LOFF( aLink, TReq, iLink );
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	}
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inline TBool AtomicSetPendingWasIdle()
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	{
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	// atomic if (CurrentState == idleState) {CurrentState=EPending, returns TRUE} else {idleState=CurrentState, CurrentState unchanged, return FALSE}
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	TState idleState = EIdle;	// required for atomic comparison
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	//TBool wasIdle = __e32_atomic_cas_ord32( (TUint32*)&CurrentState, (TUint32*)&idleState, EPending );
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	//return wasIdle;
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	if (CurrentState == idleState)
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		{
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		CurrentState = EPending;
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		return ETrue;
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		}
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	else
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		{
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		idleState = CurrentState;
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		return EFalse;
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		}
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	}
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void StartRead( TReq& aReq )
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	{
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:StartRead(@%x) [%x:%x]",
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												&aReq,
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												KGroupIndexToGroupNumber[ aReq.iRegister >> Register::KGroupShift ],
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												aReq.iRegister bitand Register::KRegisterMask ) );
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   148
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	//__e32_atomic_store_ord32( &CurrentState, EReading );
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	CurrentState = EReading;
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	TheTransferPb[ EAddressPb ].iData = (TUint8*)&aReq.iRegister;	// low byte is register address
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	TheTransferPb[ EDataPb ].iType = I2c::TTransferPb::ERead;
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	TheTransferPb[ EDataPb ].iData = &aReq.iReadValue;
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	__DEBUG_ONLY( aReq.iReadValue = 0xEE );
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	TheTransferPb[ EDataPb ].iLength = 1;
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	TheTransferPb[ EAddressPb ].iResult = KErrNone;
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	TheTransferPb[ EDataPb ].iResult = KErrNone;
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	TUint groupIndex = aReq.iRegister >> Register::KGroupShift;
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	I2c::TransferA( I2cHandle[ groupIndex ], TheTransferPb[ EAddressPb ] );
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:StartRead(@%x)", &aReq ) );
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	}
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   165
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void StartWrite( TReq& aReq )
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	{
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:StartWrite(@%x) [%x:%x]<-%x",
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												&aReq,
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												KGroupIndexToGroupNumber[ aReq.iRegister >> Register::KGroupShift ],
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												aReq.iRegister bitand Register::KRegisterMask,
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												aReq.iWriteValue ) );
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	//__e32_atomic_store_ord32( &CurrentState, EWriting );
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	CurrentState = EWriting;
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	TempWriteBuf[0] = aReq.iRegister bitand Register::KRegisterMask;
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	TempWriteBuf[1] = aReq.iWriteValue;
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	TheTransferPb[ EDataPb ].iType = I2c::TTransferPb::EWrite;
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	TheTransferPb[ EDataPb ].iData = &TempWriteBuf[0];
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	TheTransferPb[ EDataPb ].iLength = 2;
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	TheTransferPb[ EDataPb ].iResult = KErrNone;
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   183
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	TUint groupIndex = aReq.iRegister >> Register::KGroupShift;
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	I2c::TransferA( I2cHandle[ groupIndex ], TheTransferPb[ EDataPb ] );
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:StartWrite(@%x)", &aReq ) );
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	}
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   189
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void StartUnprotectPhase0( TReq& aReq )
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	{
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:StartUnprotectPhase0(@%x)", &aReq ) );
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	//__e32_atomic_store_ord32( &CurrentState, EUnprotectPhase0 );
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	CurrentState = EUnprotectPhase0;
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	TheTransferPb[ EDataPb ].iType = I2c::TTransferPb::EWrite;
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	TheTransferPb[ EDataPb ].iData = &KUnprotectData[0];
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	TheTransferPb[ EDataPb ].iLength = 2;
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	TheTransferPb[ EDataPb ].iResult = KErrNone;
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   201
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	const TUint groupIndex = Register::PROTECT_KEY >> Register::KGroupShift;
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	I2c::TransferA( I2cHandle[ groupIndex ], TheTransferPb[ EDataPb ] );
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:StartUnprotectPhase0(@%x)", &aReq ) );
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	}
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   207
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void StartUnprotectPhase1( TReq& aReq )
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	{
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:StartUnprotectPhase1(@%x)", &aReq ) );
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	// Set state to writing so that it will complete as a normal write
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	//__e32_atomic_store_ord32( &CurrentState, EWriting );
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	CurrentState = EWriting;
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	TheTransferPb[ EDataPb ].iData = &KUnprotectData[2];
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	TheTransferPb[ EDataPb ].iResult = KErrNone;
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	const TUint groupIndex = Register::PROTECT_KEY >> Register::KGroupShift;
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	I2c::TransferA( I2cHandle[ groupIndex ], TheTransferPb[ EDataPb ] );
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   221
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:StartUnprotectPhase1(@%x)", &aReq ) );
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	}
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   224
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void StartProtect( TReq& aReq )
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	{
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:StartProtect(@%x)", &aReq ) );
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   228
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	//__e32_atomic_store_ord32( &CurrentState, EWriting );
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	CurrentState = EWriting;
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   231
	
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	TheTransferPb[ EDataPb ].iType = I2c::TTransferPb::EWrite;
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	TheTransferPb[ EDataPb ].iData = &KProtectData[0];
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	TheTransferPb[ EDataPb ].iLength = 2;
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	TheTransferPb[ EDataPb ].iResult = KErrNone;
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   236
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	const TUint groupIndex = Register::PROTECT_KEY >> Register::KGroupShift;
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	I2c::TransferA( I2cHandle[ groupIndex ], TheTransferPb[ EDataPb ] );
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   239
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:StartWrite(@%x)", &aReq ) );
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	}
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   242
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   243
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void StartRequest()
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	{
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	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:StartRequest(%d)", CurrentState ) );
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	__ASSERT_DEBUG( EPending == CurrentState, InternalPanic( __LINE__ ) );
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   248
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	// We don't need to take lock here because we're currently idle so it's not possible
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	// for there to be a change in which item is queue head. The link pointers of the
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	// head item could change if another thread is queueing a new request, but that doesn't
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	// affect any of the fields we care about here
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	__ASSERT_DEBUG( !TheQueue.IsEmpty(), InternalPanic( __LINE__ ) );
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   254
	
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	if( !CurrentPhaseReq )
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		{
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		PreviousPhaseReq = NULL;
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		CurrentPhaseReq = &ReqFromLink( TheQueue.First() );
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		}
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   260
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	FOREVER
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		{
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   263
		if( !CurrentPhaseReq )
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   264
			{
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			__ASSERT_DEBUG( PreviousPhaseReq, InternalPanic( __LINE__ ) );
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   266
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			// we didn't find any phases to execute, so complete request
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			// by faking a write completion on the previous phase
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			CurrentPhaseReq = PreviousPhaseReq;
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			//__e32_atomic_store_ord32( &CurrentState, EWriting );
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			CurrentState = EWriting;
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   272
			
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			// Queue DFC instead of calling directly to avoid recursion if multiple items on queue
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   274
			// complete without any action
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			CompletionDfc.Enque();
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			break;
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			}
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		else
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			{
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			TReq::TAction action = CurrentPhaseReq->iAction;
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   281
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			__KTRACE_OPT( KTPS65950, Kern::Printf( "=TPS65950:StartRequest:req@%x:a=%x", CurrentPhaseReq, action ) );
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   283
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			if( (TReq::ERead == action) || (TReq::EClearSet == action) )
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				{
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diff changeset
   286
				StartRead( *CurrentPhaseReq );
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parents:
diff changeset
   287
				break;
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parents:
diff changeset
   288
				}
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parents:
diff changeset
   289
			else if( TReq::EWrite == action )
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parents:
diff changeset
   290
				{
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parents:
diff changeset
   291
				StartWrite( *CurrentPhaseReq );
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parents:
diff changeset
   292
				break;
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parents:
diff changeset
   293
				}
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parents:
diff changeset
   294
			else if( TReq::EDisableProtect == action )
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   295
				{
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parents:
diff changeset
   296
				if( ++TheProtectionUsageCount == 1 )
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parents:
diff changeset
   297
					{
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parents:
diff changeset
   298
					// Currently protected, start an unprotect sequence
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parents:
diff changeset
   299
					StartUnprotectPhase0( *CurrentPhaseReq );
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parents:
diff changeset
   300
					break;
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parents:
diff changeset
   301
					}
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parents:
diff changeset
   302
				else 
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parents:
diff changeset
   303
					{
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parents:
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   304
					goto move_to_next_phase;
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parents:
diff changeset
   305
					}
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parents:
diff changeset
   306
				}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   307
			else if( TReq::ERestoreProtect == action )
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   308
				{
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   309
				if( --TheProtectionUsageCount == 0 )
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   310
					{
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parents:
diff changeset
   311
					StartProtect( *CurrentPhaseReq );
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parents:
diff changeset
   312
					break;
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parents:
diff changeset
   313
					}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   314
				else 
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   315
					{
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parents:
diff changeset
   316
	move_to_next_phase:
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parents:
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   317
					// already unprotected, skip to next phase
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parents:
diff changeset
   318
					CurrentPhaseReq->iResult = KErrNone;
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   319
					PreviousPhaseReq = CurrentPhaseReq;
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   320
					CurrentPhaseReq = CurrentPhaseReq->iNextPhase;
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   321
					}
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parents:
diff changeset
   322
				}
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parents:
diff changeset
   323
			else
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   324
				{
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   325
				InternalPanic( __LINE__ );
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parents:
diff changeset
   326
				}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   327
			}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   328
		}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   329
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   330
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   331
	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:StartRequest(%d)", CurrentState ) );
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parents:
diff changeset
   332
	}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   333
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   334
void DummyDfcFunction( TAny* /*aParam*/ )
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   335
	{
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   336
	__KTRACE_OPT( KTPS65950, Kern::Printf( "TPS65950:DummyDFC(%d)", CurrentState ) );
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   337
	}
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   338
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   339
void CompletionDfcFunction( TAny* /*aParam*/ )
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   340
	{
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   341
	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:DFC(%d)", CurrentState ) );
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Pat Downey <patd@symbian.org>
parents:
diff changeset
   342
	__ASSERT_DEBUG( EIdle != CurrentState, InternalPanic( __LINE__ ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   343
	__ASSERT_DEBUG( CurrentPhaseReq, InternalPanic( __LINE__ ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   344
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   345
	TInt result = TheTransferPb[ EDataPb ].iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   346
	if( KErrNone != TheTransferPb[ EAddressPb ].iResult )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   347
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   348
		result = TheTransferPb[ EAddressPb ].iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   349
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   350
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   351
	TReq& req = *CurrentPhaseReq;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   352
	TBool completed = ETrue;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   353
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   354
	if( KErrNone == result)
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   355
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   356
		if( EReading == CurrentState )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   357
			{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   358
			__KTRACE_OPT( KTPS65950, Kern::Printf( "=TPS65950:DFC:Read [%x:%x]=%x",
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   359
													KGroupIndexToGroupNumber[ req.iRegister >> Register::KGroupShift ],
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   360
													req.iRegister bitand Register::KRegisterMask,
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   361
													req.iReadValue ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   362
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   363
			if( TReq::EClearSet == req.iAction)
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   364
				{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   365
				// Start write phase of a ClearSet
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   366
				req.iWriteValue = (req.iReadValue bitand ~req.iClearMask) bitor req.iSetMask;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   367
				StartWrite( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   368
				completed = EFalse;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   369
				}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   370
			}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   371
		else if( EUnprotectPhase0 == CurrentState )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   372
			{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   373
			StartUnprotectPhase1( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   374
			completed = EFalse;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   375
			}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   376
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   377
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   378
	if( completed || (KErrNone != result) )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   379
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   380
		// Read or write, protect has completed, or final write stage of a ClearSet or unprotect, or error
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   381
		PreviousPhaseReq = CurrentPhaseReq;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   382
		CurrentPhaseReq = req.iNextPhase;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   383
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   384
		if( CurrentPhaseReq )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   385
			{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   386
			// start next phase
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   387
			//__e32_atomic_store_ord32( &CurrentState, EPending );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   388
			CurrentState = EPending;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   389
			StartRequest();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   390
			}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   391
		else
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   392
			{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   393
			//__e32_atomic_store_ord32( &CurrentState, EIdle );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   394
			CurrentState = EIdle;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   395
			// From now a concurrent ExecAsync() can start a new request if it adds an item to the queue
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   396
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   397
			// remove item from queue and complete
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   398
			TUint irq = __SPIN_LOCK_IRQSAVE( QueueLock );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   399
			ReqFromLink( TheQueue.First() ).iLink.Deque();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   400
			TBool queueEmpty = TheQueue.IsEmpty();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   401
			__SPIN_UNLOCK_IRQRESTORE( QueueLock, irq );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   402
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   403
			// If queue was empty inside spinlock but an ExecAsync() adds an item before the if statement below,
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   404
			// the ExecAsync() will start the new request
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   405
			if( !queueEmpty )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   406
				{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   407
				if( AtomicSetPendingWasIdle() )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   408
					{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   409
					// ExecAsync didn't start a request
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   410
					StartRequest();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   411
					}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   412
				}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   413
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   414
			// Notify client of completion
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   415
			req.iResult = result;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   416
			if( req.iCompletionDfc )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   417
				{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   418
				req.iCompletionDfc->Enque();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   419
				}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   420
			}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   421
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   422
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   423
	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:DFC(%d)", CurrentState ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   424
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   425
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   426
// Used to complete synchronous operations
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   427
void SyncDfcFunction( TAny* aParam )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   428
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   429
	NKern::FSSignal( reinterpret_cast<NFastSemaphore*>( aParam ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   430
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   431
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   432
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   433
EXPORT_C void ExecAsync( TReq& aRequest )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   434
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   435
	__KTRACE_OPT( KTPS65950, Kern::Printf( "+TPS65950:ExecAsync(@%x)", &aRequest ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   436
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   437
	__ASSERT_DEBUG( (TUint)aRequest.iAction <= TReq::ERestoreProtect, PanicClient( EBadAction ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   438
	__ASSERT_DEBUG( (TReq::EDisableProtect == aRequest.iAction) 
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   439
					|| (TReq::ERestoreProtect == aRequest.iAction)
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   440
					|| (((TUint)aRequest.iRegister >> Register::KGroupShift) < KGroupCount), PanicClient( EBadGroup ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   441
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   442
	TUint irq = __SPIN_LOCK_IRQSAVE( QueueLock );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   443
	TheQueue.Add( &aRequest.iLink );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   444
	__SPIN_UNLOCK_IRQRESTORE( QueueLock, irq );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   445
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   446
	if( AtomicSetPendingWasIdle() )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   447
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   448
		StartRequest();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   449
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   450
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   451
	__KTRACE_OPT( KTPS65950, Kern::Printf( "-TPS65950:ExecAsync" ) );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   452
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   453
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   454
EXPORT_C TInt WriteSync( TUint16 aRegister, TUint8 aValue )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   455
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   456
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   457
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   458
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   459
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   460
	TReq req;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   461
	req.iRegister = aRegister;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   462
	req.iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   463
	req.iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   464
	req.iWriteValue = aValue;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   465
	req.iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   466
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   467
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   468
	ExecAsync( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   469
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   470
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   471
	return req.iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   472
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   473
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   474
EXPORT_C TInt ReadSync( TUint16 aRegister, TUint8& aValue )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   475
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   476
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   477
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   478
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   479
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   480
	TReq req;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   481
	req.iRegister = aRegister;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   482
	req.iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   483
	req.iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   484
	req.iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   485
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   486
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   487
	ExecAsync( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   488
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   489
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   490
	aValue = req.iReadValue;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   491
	return req.iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   492
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   493
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   494
EXPORT_C TInt ClearSetSync( TUint16 aRegister, TUint8 aClearMask, TUint8 aSetMask )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   495
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   496
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   497
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   498
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   499
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   500
	TReq req;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   501
	req.iRegister = aRegister;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   502
	req.iAction = TReq::EClearSet;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   503
	req.iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   504
	req.iClearMask = aClearMask;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   505
	req.iSetMask = aSetMask;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   506
	req.iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   507
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   508
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   509
	ExecAsync( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   510
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   511
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   512
	return req.iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   513
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   514
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   515
EXPORT_C TInt DisableProtect()
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   516
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   517
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   518
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   519
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   520
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   521
	TReq req;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   522
	req.iAction = TReq::EDisableProtect;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   523
	req.iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   524
	req.iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   525
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   526
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   527
	ExecAsync( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   528
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   529
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   530
	return req.iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   531
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   532
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   533
EXPORT_C TInt RestoreProtect()
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   534
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   535
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   536
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   537
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   538
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   539
	TReq req;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   540
	req.iAction = TReq::ERestoreProtect;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   541
	req.iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   542
	req.iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   543
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   544
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   545
	ExecAsync( req );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   546
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   547
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   548
	return req.iResult;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   549
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   550
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   551
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   552
TInt Init()
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   553
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   554
	// Create DFC queue
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   555
	TInt r = Kern::DfcQCreate( TheDfcQue, KDfcQuePriority, &KDriverNameDes );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   556
	if( KErrNone != r )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   557
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   558
		return r;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   559
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   560
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   561
	TPS65950::CompletionDfc.SetDfcQ( TheDfcQue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   562
	TPS65950::DummyDfc.SetDfcQ( TheDfcQue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   563
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   564
	// Open I2c handles
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   565
	for( TInt i = 0; i < KGroupCount; ++i )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   566
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   567
		TheDcb[i].iUnit = I2c::E1; // Master / slave
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   568
		TheDcb[i].iRole = I2c::EMaster;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   569
		TheDcb[i].iMode = I2c::E7Bit;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   570
		TheDcb[i].iExclusiveClient = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   571
		TheDcb[i].iRate = I2c::E400K;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   572
		TheDcb[i].iOwnAddress = 0x01;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   573
		TheDcb[i].iDfcQueue = TheDfcQue;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   574
		TheDcb[i].iDeviceAddress = KGroupIndexToGroupNumber[i];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   575
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   576
		I2cHandle[i] = I2c::Open( TheDcb[i] );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   577
		if( I2cHandle[i] < 0 )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   578
			{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   579
			return I2cHandle[i];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   580
			}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   581
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   582
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   583
	// Setup transfer linked list
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   584
	TheTransferPb[ EAddressPb ].iType = I2c::TTransferPb::EWrite;	// address write
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   585
	TheTransferPb[ EAddressPb ].iLength = 1;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   586
	TheTransferPb[ EAddressPb ].iCompletionDfc = &TPS65950::DummyDfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   587
	TheTransferPb[ EAddressPb ].iNextPhase = &TheTransferPb[ EDataPb ];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   588
	TheTransferPb[ EDataPb ].iCompletionDfc = &TPS65950::CompletionDfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   589
	TheTransferPb[ EDataPb ].iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   590
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   591
	return r;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   592
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   593
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   594
inline TInt BcdToDecimal( TUint8 aBcd )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   595
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   596
	return ( aBcd bitand 0xF ) + ( (aBcd >> 4) * 10);
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   597
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   598
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   599
inline TUint8 DecimalToBcd( TInt aDecimal )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   600
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   601
	TUint tens = (aDecimal / 10);
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   602
	return ( tens << 4 ) + ( aDecimal - tens );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   603
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   604
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   605
EXPORT_C TInt GetRtcData( TRtcTime& aTime )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   606
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   607
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   608
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   609
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   610
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   611
	TReq req[8];	// 9 stages to the operation
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   612
	req[0].iRegister = RTC_CTRL_REG::Addr;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   613
	req[0].iAction = TReq::EClearSet;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   614
	req[0].iSetMask = RTC_CTRL_REG::GET_TIME;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   615
	req[0].iClearMask = 0;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   616
	req[0].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   617
	req[0].iNextPhase = &req[1];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   618
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   619
	req[1].iRegister = Register::SECONDS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   620
	req[1].iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   621
	req[1].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   622
	req[1].iNextPhase = &req[2];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   623
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   624
	req[2].iRegister = Register::MINUTES_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   625
	req[2].iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   626
	req[2].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   627
	req[2].iNextPhase = &req[3];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   628
	
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   629
	req[3].iRegister = Register::HOURS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   630
	req[3].iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   631
	req[3].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   632
	req[3].iNextPhase = &req[4];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   633
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   634
	req[4].iRegister = Register::DAYS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   635
	req[4].iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   636
	req[4].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   637
	req[4].iNextPhase = &req[5];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   638
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   639
	req[5].iRegister = Register::MONTHS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   640
	req[5].iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   641
	req[5].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   642
	req[5].iNextPhase = &req[6];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   643
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   644
	req[6].iRegister = Register::YEARS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   645
	req[6].iAction = TReq::ERead;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   646
	req[6].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   647
	req[6].iNextPhase = &req[7];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   648
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   649
	req[7].iRegister = RTC_CTRL_REG::Addr;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   650
	req[7].iAction = TReq::EClearSet;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   651
	req[7].iSetMask = 0;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   652
	req[7].iClearMask = RTC_CTRL_REG::GET_TIME;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   653
	req[7].iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   654
	req[7].iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   655
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   656
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   657
	ExecAsync( req[0] );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   658
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   659
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   660
	aTime.iSecond = BcdToDecimal( req[1].iReadValue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   661
	aTime.iMinute = BcdToDecimal( req[2].iReadValue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   662
	aTime.iHour = BcdToDecimal( req[3].iReadValue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   663
	aTime.iDay = BcdToDecimal( req[4].iReadValue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   664
	aTime.iMonth = BcdToDecimal( req[5].iReadValue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   665
	aTime.iYear = BcdToDecimal( req[6].iReadValue );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   666
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   667
	return KErrNone;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   668
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   669
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   670
#define BCD0(a) ((a)%10)
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   671
#define BCD1(a) (((a)/10)<<4)
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   672
#define TOBCD(i) (BCD1(i)|BCD0(i))
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   673
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   674
EXPORT_C TInt SetRtcData( const TRtcTime& aTime )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   675
	{	
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   676
	__ASSERT_NO_FAST_MUTEX;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   677
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   678
	NFastSemaphore sem;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   679
	TDfc dfc( SyncDfcFunction, &sem, TheDfcQue, 2 );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   680
	TReq req[8];	// 9 stages to the operation
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   681
	req[0].iRegister = RTC_CTRL_REG::Addr;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   682
	req[0].iAction = TReq::EClearSet;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   683
	req[0].iSetMask = 0;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   684
	req[0].iClearMask = RTC_CTRL_REG::STOP_RTC;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   685
	req[0].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   686
	req[0].iNextPhase = &req[1];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   687
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   688
	req[1].iRegister = Register::SECONDS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   689
	req[1].iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   690
	req[1].iWriteValue = DecimalToBcd( aTime.iSecond );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   691
	req[1].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   692
	req[1].iNextPhase = &req[2];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   693
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   694
	req[2].iRegister = Register::MINUTES_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   695
	req[2].iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   696
	req[2].iWriteValue = DecimalToBcd( aTime.iMinute );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   697
	req[2].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   698
	req[2].iNextPhase = &req[3];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   699
	
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   700
	req[3].iRegister = Register::HOURS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   701
	req[3].iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   702
	req[3].iWriteValue = DecimalToBcd( aTime.iHour );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   703
	req[3].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   704
	req[3].iNextPhase = &req[4];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   705
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   706
	req[4].iRegister = Register::DAYS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   707
	req[4].iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   708
	req[4].iWriteValue = DecimalToBcd( aTime.iDay );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   709
	req[4].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   710
	req[4].iNextPhase = &req[5];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   711
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   712
	req[5].iRegister = Register::MONTHS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   713
	req[5].iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   714
	req[5].iWriteValue = DecimalToBcd( aTime.iMonth );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   715
	req[5].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   716
	req[5].iNextPhase = &req[6];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   717
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   718
	req[6].iRegister = Register::YEARS_REG;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   719
	req[6].iAction = TReq::EWrite;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   720
	req[6].iWriteValue = DecimalToBcd( aTime.iYear );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   721
	req[6].iCompletionDfc = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   722
	req[6].iNextPhase = &req[7];
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   723
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   724
	req[7].iRegister = RTC_CTRL_REG::Addr;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   725
	req[7].iAction = TReq::EClearSet;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   726
	req[7].iSetMask = RTC_CTRL_REG::STOP_RTC;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   727
	req[7].iClearMask = 0;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   728
	req[7].iCompletionDfc = &dfc;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   729
	req[7].iNextPhase = NULL;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   730
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   731
	NKern::FSSetOwner( &sem, NULL );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   732
	ExecAsync( req[0] );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   733
	NKern::FSWait( &sem );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   734
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   735
	return KErrNone;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   736
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   737
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   738
EXPORT_C TBool Initialized()
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   739
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   740
	return IsInitialized;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   741
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   742
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   743
} // namespace TPS65950
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   744
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   745
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   746
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   747
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   748
DECLARE_STANDARD_EXTENSION()
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   749
	{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   750
	TInt r = TPS65950::Init();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   751
	if( KErrNone == r )
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   752
		{
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   753
		r = InitInterrupts();
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   754
		}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   755
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   756
	IsInitialized = ( KErrNone == r );
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   757
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   758
	return r;
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   759
	}
6663340f3fc9 Add EPL'd beagleboard code
Pat Downey <patd@symbian.org>
parents:
diff changeset
   760