/*

* Copyright (c) 2008,2009 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:

* Declaration of EDID data types.

*

*/

#ifndef EDIDDATATYPES_H

#define EDIDDATATYPES_H

#include <e32base.h>

/** Every EDID-block is 128 bytes long (padded to 128bytes if shorter) */

const TUint KEdidParserSizeOfEdidBlock = 128;

/** EDID header size */

const TUint KEdidParserSizeOfEdidHeader = 8;

/** Valid base edid header */

const TUint8 KBaseEdidHeader[KEdidParserSizeOfEdidHeader] = {

    0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00 };

/** Year of manufacture stored in EDID data is "Year of Manufacture - 1990" */

const TUint KEdidBaseYear = 1990;

/** Padding byte */

const TUint KEdidPaddingByte = 0x00;

/** DDC segment size */

const TUint KEdidParserSizeOfSegment = 256;

const TUint KEdidParserManufacturerCodeLength = 3;

/** EDID data block including extension */

typedef TUint8 TDataBlock[KEdidParserSizeOfSegment];

/** One extension data block array (block size is 128 bytes) */

typedef TUint8 TExtDataBlock[KEdidParserSizeOfEdidBlock];

/** EDID manufacturer code */

typedef TBuf8<KEdidParserManufacturerCodeLength> TEdidVendorCode;

/** Aspect Ratio */

struct TEdidAspectRatio

    {

    TUint8 iLandscape;

    TUint8 iPortrait;

    };

/** Screen Size (Horizontal and vertical in cm) */

struct TEdidScreenSize

    {

    TUint8 iHorizontal;

    TUint8 iVertical;

    };

/** Product vendor information */

struct TEdidVendorProductInfo

    {

    TUint16 iManufacturerCode;

    TUint16 iProductId;

    TUint8  iSerial[4];

    TUint8  iWeek;

    TUint8  iYear;

    };

/**

 * EDID block structure

 */

struct TEdidBaseBlock

    {

    TUint8 iHeader[8];                         // 8 Bytes

    TEdidVendorProductInfo iVendorProductInfo; // 10 Bytes

    TUint8 iVersion;                           // 1 Byte

    TUint8 iRevision;                          // 1 Byte

    TUint8 iVideoInputDefinition;              // 1 Byte

    TEdidScreenSize iScreenSize;               // 2 Bytes

    TUint8 iDisplayTransferCharasteristics;    // 1 Byte

    TUint8 iFeatureSupportByte;                // 1 Byte

    TUint8 iColorCharasteristics[10];          // 10 Bytes

    TUint8 iEstablishedTimings[3];             // 3 Bytes

    TUint8 iStdTimingIdentifications[16];      // 16 Bytes

    TUint8 iTimingDescriptor[18];              // 18 Bytes

    TUint8 iSecondTimingDescriptor[18];        // 18 Bytes

    TUint8 iMonitorDescriptor[18];             // 18 Bytes

    TUint8 iMonitorRangeLimitsDescriptor[18];  // 18 Bytes

    TUint8 iExtensionNumber;                   // 1 Byte

    TUint8 iChecksum;                          // 1 Byte

    };

/**

 * Stereo Viewing Support

 */

enum TEdidStereoViewingSupport

    {

    /** Normal Display – No Stereo. The value of bit 0 is "don't care" */

    ENormalDisplay = 0,

    /** Field sequential stereo, right image when stereo sync signal = 1 */

    EFieldSequentialStereoRightWhenStereoSyncSignal1,

    /** Field sequential stereo, left image when stereo sync signal = 1 */

    EFieldSequentialStereoLeftWhenStereoSyncSignal1,

    /** 2-way interleaved stereo, right image on even lines */

    ETwoWayInterleavedStereoRightImageOnEvenLines,

    /** 2-way interleaved stereo, left image on even lines */

    ETwoWayInterleavedStereoLeftImageOnEvenLines,

    /** 4-way interleaved stereo */

    EFourWayInterleaverStereo,

    /** Side-by-Side interleaved stereo */

    ESideBySideInterleavedStere,

    /**  Unknown */

    EUnknownStereoViewingSupport = 0xff

    };

/**

 * Sync Signal Definitions

 */

enum TEdidSyncSignalDefinitions

    {

    /** Analog: */

    EAnalogCompositeSyncWithoutSerrationsSyncSyncOnGreenSignalOnly = 0,

    EAnalogCompositeSyncWithSerrationsSyncSyncOnGreenSignalOnly,

    EAnalogCompositeSyncWithoutSerrationsSyncOnAllThreeVideoSignals,

    EAnalogCompositeSyncWithSerrationsSyncOnAllThreeVideoSignals,

    EAnalogBipolarAnalogCompositeSyncWithoutSerrationsSyncSyncOnGreenSignalOnly,

    EAnalogBipolarAnalogCompositeSyncWithoutSerrationsSyncOnAllThreeVideoSignals,

    EAnalogBipolarAnalogCompositeSyncWithSerrationsSyncSyncOnGreenSignalOnly,

    EAnalogBipolarAnalogCompositeSyncWithSerrationsSyncOnAllThreeVideoSignals,

    /** Digital: */

    EDigitalCompositeSyncWithoutSerrations,

    EDigitalCompositeSyncWithSerrations,

    EDigitalSeparateSyncVerticalSyncIsNegativeHorizontalSyncIsNegative,

    EDigitalSeparateSyncVerticalSyncIsNegativeHorizontalSyncIsPositive,

    EDigitalSeparateSyncVerticalSyncIsPositiveHorizontalSyncIsNegative,

    EDigitalSeparateSyncVerticalSyncIsPositiveHorizontalSyncIsPositive,

    /** Unknown: */

    EUnknownSignalDefinition

    };

/**

 * EDID descriptor block type

 */

enum TEdidDescriptorBlockType

    {

    EEdidDescriptorBlockFirstTiming         = 1,

    EEdidDescriptorBlockSecondTiming        = 2,

    EEdidDescriptorBlockMonitorTiming       = 3,

    EEdidDescriptorBlockMonitorRangeLimit   = 4

    };

/**

 * EDID descriptor block

 */

struct TEdidDescriptorBlock

    {

    TUint16 iPixelClock;                        //16 bits

    TUint16 iHorizontalAddressableVideoPixels;  //12 bit long   (in pixels)

    TUint16 iHorizontalBlanking;                //12 bit long

    TUint16 iVerticalAddressableVideoPixels;    //12 bit long   (in pixels)

    TUint16 iVerticalBlanking;                  //12 bit long

    TUint16 iHorizontalFrontPorch;              //12 bit long

    TUint16 iHorizontalSyncPulse;               //12 bit long

    TUint16 iVerticalFrontPorch;                //12 bit long

    TUint16 iVerticalSyncPulse;                 //12 bit long

    TUint16 iHorizontalAddressableImageSize;    //12 bit long   (in millimeters)

    TUint16 iVerticalAddressableImageSize;      //12 bit long   (in millimeters)

    TUint8  iHorizontalBorder;                  //8 bits

    TUint8  iVerticalBorder;                    //8 bits

    TBool   iInterlacedVideo;                   //1 bit

    TEdidStereoViewingSupport iStereoSupport;

    TEdidSyncSignalDefinitions iSyncs;          //sync signal definitions

    };

/**

 * EDID extension types

 */

enum TEdidExtensionTagCode

    {

    ECea861Ext  = 0x02,     // CEA-861 Series Timing Extension

    EVTBExt     = 0x10,     // Video Timing Block Extension (VTB-EXT)

    EEDID20     = 0x20,     // EDID 2.0 Extension

    EDIExt      = 0x40,     // Display Information Extension (DI-EXT)

    ELSExt      = 0x50,     // Localized String Extension (LS-EXT)

    EDPVLExt    = 0x60,     // Digital Packet Video Link Extension (DPVL-EXT)

    EUnknownExt = 0xff      // Extension is unknown

    };

/**

 * Established timings 1

 */

enum TEdidEstablishedTimings1

    {

    E800x600_60Hz   = 0x01, // 0000 0001

    E800x600_56Hz   = 0x02, // 0000 0010

    E640x480_75Hz   = 0x04, // 0000 0100

    E640x480_72Hz   = 0x08, // 0000 1000

    E640x480_67Hz   = 0x10, // 0001 0000

    E640x480_60Hz   = 0x20, // 0010 0000

    E720x400_88Hz   = 0x40, // 0100 0000

    E720x400_70Hz   = 0x80  // 1000 0000

    };

/**

 * Established timings 2

 */

enum TEdidEstablishedTimings2

    {

    E1280x1024_75Hz   = 0x01, // 0000 0001

    E1024x768_75Hz    = 0x02, // 0000 0010

    E1024x768_70Hz    = 0x04, // 0000 0100

    E1024x768_60Hz    = 0x08, // 0000 1000

    E1024x768_87Hz    = 0x10, // 0001 0000

    E832x624_75Hz     = 0x20, // 0010 0000

    E800x600_75Hz     = 0x40, // 0100 0000

    E800x600_72Hz     = 0x80, // 1000 0000

    };

#endif // EDIDDATATYPES_H