/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
* CEDIDHandler class declaration.
*
*/
#ifndef C_EDIDHANDLER_H
#define C_EDIDHANDLER_H
// INCLUDES
#include <e32base.h>
#include <ddc_access.h>
#include <tvoutconfig.h>
#include <accpolhdmiaudioformat.h>
#include <accpolhdmivideoformat.h>
#include <accpolhdmilatency.h>
#include <tvoutconfigdef.h>
#include "ediddatatypes.h"
#include "videotimings.h"
// CONSTANTS
// MACROS
// DATA TYPES
// FUNCTION PROTOTYPES
// FORWARD DECLARATIONS
class CDdcPortAccess;
class MFSMForBody;
class CEdidParserBase;
class CCea861EdidParser;
class CTVOutConfigForHDMI;
class CAccPolHdmiSink;
class CAccPolHdmiLatency;
class CAccPolHdmiSpeakerAllocation;
// CLASS DECLARATION
/**
* Class to handle EDID data.
*
* @code
* ?good_class_usage_example(s)
* @endcode
*
* @lib none.
* @since TB 9.2
*/
NONSHARABLE_CLASS( CEDIDHandler ): public CActive
{
public:
// Request Identifier
enum TRequestTypeID
{
EUndefRequest = 0x0,
EDdcReadRequest,
ERetryTimerRequest,
};
// Constructors and destructor
/**
* Symbian two phased constructor.
*
* @since S60 TB9.2
* @param aFSM A FSM.
* @param CTVOutConfigForHDMI TV Out Configurer.
* @return CEDIDHandler*
*/
static CEDIDHandler* NewL( MFSMForBody& aFSM,
CTVOutConfigForHDMI& aTVOutConfigForHDMI );
/**
* Destructor.
*/
virtual ~CEDIDHandler();
public:
// New methods
/**
* Fetch EDID Data.
*
* @since TB9.2
* @param None.
* @return Error code, KErrNone if successfull.
*/
TInt FetchEDIDData();
/**
* Set video parameters of TV Out Configuration.
*
* @since TB9.2
* @param None.
* @return Error code, KErrNone if successfull.
*/
TInt SetVideoParameters();
/**
* Reset EDID Data.
*
* @since TB9.2
* @param None.
* @return void.
*/
void ResetData();
/**
* Create HDMI Sink object.
*
* @since TB9.2
* @param None.
* @return CAccPolHdmiSink* HDMI sink object.
*/
CAccPolHdmiSink* CreateHdmiSinkL();
/**
* Create HDMI Video Format object.
*
* @since TB9.2
* @param aHdmiVideoFormatArray Array of CAccPolHdmiVideoFormat pointers.
* @return void.
*/
void CreateHdmiVideoFormatL( RAccPolHdmiVideoFormatArray& aHdmiVideoFormatArray );
/**
* Create HDMI Latency object.
*
* @since TB9.2
* @param aHdmiLatencyArray Array of CAccPolHdmiLatency pointers.
* @return None.
*/
void CreateHdmiLatencyL( RAccPolHdmiLatencyArray& aHdmiLatencyArray );
/**
* Create HDMI Audio Format object.
*
* @since TB9.2
* @param aHdmiAudioFormatArray Array of CAccPolHdmiAudioFormat pointers.
* @return void.
*/
void CreateHdmiAudioFormatL( RAccPolHdmiAudioFormatArray& aHdmiAudioFormatArray );
/**
* Create HDMI Speaker Allocation object.
*
* @since TB9.2
* @param None.
* @return CAccPolHdmiSpeakerAllocation* HDMI Speaker Allocation object.
*/
CAccPolHdmiSpeakerAllocation* CreateHdmiSpeakerAllocationL();
/**
* Tells whether or not HDCP is supported at the moment.
*
* @since TB9.2
* @param None.
* @return TBool Symbian error code. KErrNone, if ok. KErrNotFound if cannot be defined.
*/
TInt GetHdcpSupportStatus( TBool& aHdcpSupport ) const;
/**
* Update overscan values from cenrep.
*
* @param None.
* @return None.
*/
TBool UpdateOverscanValues();
void GetCurrentOverscanValue( TInt& aHOverscan, TInt& aVOverscan );
private:
/**
* Read EDID Data from DDC Access.
*
* @since TB9.2
* @param None.
* @return Error code. KErrNone if successful.
*/
TInt ReadEDIDDataL();
// Functions from base class CActive
/**
* RunL()
*/
void RunL();
/**
* DoCancel()
*/
void DoCancel();
/**
* RunError()
*/
TInt RunError( TInt aError );
private:
// Constructors
/**
* C++ constructor.
* @param aFSM A FSM.
* @param CTVOutConfigForHDMI TV Out Configurer.
*/
CEDIDHandler( MFSMForBody& aFSM,
CTVOutConfigForHDMI& aTVOutConfigForHDMI );
/**
* Symbian 2nd phase constructor.
*
*/
void ConstructL();
private:
/**
* Fills the common timing attributes which can be received from
* edidparser or cenrep.
*
* @param aTimings Timings struct which is filled.
* @return None.
*/
void FillCommonHdmiDviTimings( THdmiDviTimings& aTimings ) const;
/**
* Fills out the THdmiDviTimings based on the timing item.
*
* @param aItem Timing item from which the data is used.
* @param aTimings Timings struct which is filled.
* @return None.
*/
void FillHdmiDviTimings( const TTimingItem& aItem,
THdmiDviTimings& aTimings ) const;
/**
* Fills out the THdmiDviTimings based on the descriptor block.
*
* @param aDescBlock Descriptor block.
* @param aTimings Timings struct which is filled.
* @return None.
*/
void FillHdmiDviTimings( const TEdidDescriptorBlock& aDescBlock,
THdmiDviTimings& aTimings ) const;
/**
* Set cea modes.
*
* @param aTimings Array to fill.
* @return system error code.
*/
TInt SetCeaModes( RArray<THdmiDviTimings>& aTimings ) const;
/**
* Set dmt modes.
*
* @param aTimings Array to fill.
* @return system error code.
*/
TInt SetDmtModes( RArray<THdmiDviTimings>& aTimings ) const;
/**
* Set dmt modes from established timings 1 and 2.
*
* @param aTimings Array to fill.
* @return system error code.
*/
TInt SetDmtModesFromEstablishedTimings( RArray<THdmiDviTimings>& aTimings ) const;
/**
* Set dmt modes from standard timings.
*
* @param aTimings Array to fill.
* @return None.
*/
TInt SetDmtModesFromStandardTimings( RArray<THdmiDviTimings>& aTimings ) const;
/**
* Set dmt modes from timing descriptors.
*
* @param aTimings Array to fill.
* @return None.
*/
TInt SetDmtModesFromTimingDescriptors( RArray<THdmiDviTimings>& aTimings ) const;
/**
* Get timing by index.
*
* @param aIndex Indes of the item to get
* @param aType Timing type: CEA or DMT.
* @return const TTimingItem*
*/
const TTimingItem* TimingByIndex( TInt aIndex,
TTimingModeType aType ) const;
/**
* Get timing by resolution.
*
* @param aWidth Horizontal size.
* @param aHeight Vertical size.
* @param
* @param aType Timing type: CEA or DMT.
* @return const TTimingItem*
*/
const TTimingItem* TimingByResolution( TUint16 aWidth,
TUint16 aHeight,
TUint16 aRefreshRate,
TTimingModeType aType ) const;
/**
* Set DMT mode by resolution.
*
* @param aTimings Array where to append new DMT timing.
* @param aWidth Width of the resolution.
* @param aHeight Height of the resolution.
* @param aRefreshRate Refresh rate used.
* @return None.
*/
TInt SetDmtModeByResolution( RArray<THdmiDviTimings>& aTimings,
TUint16 aWidth,
TUint16 aHeight,
TUint16 aRefreshRate ) const;
/**
* Resolves aspect ratio from width and height.
*
* @param aWidth Horizontal pixels.
* @param aHeight Vertical lines.
* @return TTvSettings::TAspectRatio.
*/
TTvSettings::TAspectRatio ResolveAspectRatio( TUint16 aWidth,
TUint16 aHeight ) const;
/**
* Calculates overscan in pixels. The top left and right bottom should
* cover the full screen from which the overscan is calculated.
*
* @param aTLCorner Top left corner.
* @param aRBCorner Right bottom corner.
* @return None.
*/
void CalculateOverscan( TPoint& aTLCorner, TPoint& aBRCorner ) const;
/**
* Filter out the unsupported TV configurations.
*
* @param aHdmiConfigs Available HDMI/DVI Tv configurations.
* @return KErrNone if OK. KErrNotFound if the filtered list is empty.
*
*/
TInt FilterAvailableTvConfigList( RArray<THdmiDviTimings>& aHdmiConfigs );
private: // Data
class TDataBlock
{
public:
TUint8 iDataBlock[KSizeOfSegment];
};
// Display Data Channel
// Own.
CDdcPortAccess* iDdcPortAccess;
// A FSM pointer.
// Not own.
MFSMForBody& iFSM;
// CEdidParserBase is the base class for parsing EDID data
// Own.
CEdidParserBase* iEdidParserPtr;
// CCea861EdidParser is the base class for parsing
// CEA 861 EDID extension data
// Own.
CCea861EdidParser* iExtensionParserPtr;
// EDID Data Block pointer.
// Own
TDataBlock* iDataBlockPtr;
// TV Out Configurer.
// Not own.
CTVOutConfigForHDMI& iTVOutConfigForHDMI;
// Horizontal overscan in pixels (1% == 100)
TInt iHOverscan;
// Vertical overscan in pixels (1% == 100)
TInt iVOverscan;
// Timer for reading EDID data
RTimer iRetryTimer;
// Retry Counter
TInt iRetryCounter;
// Request ID
TRequestTypeID iRequestID;
// Number of extensions to read
TInt inbrOfExtensions;
// Current EDID block
TInt iCurrentBlock;
};
#endif // C_EDIDHANDLER_H