378 lines
11 KiB
C
378 lines
11 KiB
C
|
/*
|
|||
|
|
*
|
|||
|
|
* @APPLE_LICENSE_HEADER_START@
|
|||
|
|
*
|
|||
|
|
* Copyright (c) 1999-2009 Apple Computer, Inc. All Rights Reserved.
|
|||
|
|
*
|
|||
|
|
* This file contains Original Code and/or Modifications of Original Code
|
|||
|
|
* as defined in and that are subject to the Apple Public Source License
|
|||
|
|
* Version 2.0 (the 'License'). You may not use this file except in
|
|||
|
|
* compliance with the License. Please obtain a copy of the License at
|
|||
|
|
* http://www.opensource.apple.com/apsl/ and read it before using this
|
|||
|
|
* file.
|
|||
|
|
*
|
|||
|
|
* The Original Code and all software distributed under the License are
|
|||
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
|||
|
|
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
|
|||
|
|
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
|
|||
|
|
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
|
|||
|
|
* Please see the License for the specific language governing rights and
|
|||
|
|
* limitations under the License.
|
|||
|
|
*
|
|||
|
|
* @APPLE_LICENSE_HEADER_END@
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifndef _IOKIT_EDID_H
|
|||
|
|
#define _IOKIT_EDID_H
|
|||
|
|
|
|||
|
|
|
|||
|
|
#define kEDIDEstablishedTimingsCount 24
|
|||
|
|
#define kEDIDEstablishedTimingsIIICount 48
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedHeader {
|
|||
|
|
uint8_t header[2];
|
|||
|
|
}EDIDDetailedHeader;
|
|||
|
|
|
|||
|
|
//__packed
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedTiming {
|
|||
|
|
uint8_t pixelClock[2];
|
|||
|
|
|
|||
|
|
uint8_t hor_addr_low;
|
|||
|
|
uint8_t hor_blank_low;
|
|||
|
|
uint8_t hor_addr_blank_high;
|
|||
|
|
uint8_t ver_addr_low;
|
|||
|
|
uint8_t ver_blank_low;
|
|||
|
|
uint8_t ver_addr_blank_high;
|
|||
|
|
|
|||
|
|
uint8_t hor_fporch; // #8
|
|||
|
|
uint8_t hor_sync;
|
|||
|
|
uint8_t ver_fporch_sync;
|
|||
|
|
|
|||
|
|
uint8_t hor_ver_porch_sync_high;
|
|||
|
|
uint8_t inmm[3]; // in milimeter
|
|||
|
|
uint8_t hor_border;
|
|||
|
|
uint8_t ver_border;
|
|||
|
|
uint8_t detailed;
|
|||
|
|
} EDIDDetailedTiming;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDString{
|
|||
|
|
uint8_t flag;
|
|||
|
|
char string[13];
|
|||
|
|
} EDIDString;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDDetailedRangeFlagRateOffsetVerticalMin = (1<<0),
|
|||
|
|
kEDIDDetailedRangeFlagRateOffsetVerticalMax = (1<<1),
|
|||
|
|
kEDIDDetailedRangeFlagRateOffsetHorizontalMin = (1<<2),
|
|||
|
|
kEDIDDetailedRangeFlagRateOffsetHorizontalMax = (1<<3)
|
|||
|
|
} EDIDDetailedRangeFlags;
|
|||
|
|
|
|||
|
|
enum {
|
|||
|
|
kEDIDDetailedRangeVideoTimingTypeGTF = 0,
|
|||
|
|
kEDIDDetailedRangeVideoTimingTypeRangeLimitsOnly = 1,
|
|||
|
|
kEDIDDetailedRangeVideoTimingTypeSecondaryGTF = 2,
|
|||
|
|
kEDIDDetailedRangeVideoTimingTypeCVT = 4
|
|||
|
|
};
|
|||
|
|
typedef uint8_t EDIDDetailedRangeVideoTimingType;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDSupportedAspectFlag15_9 = (1<<3),
|
|||
|
|
kEDIDSupportedAspectFlag5_4 = (1<<4),
|
|||
|
|
kEDIDSupportedAspectFlag16_10 = (1<<5),
|
|||
|
|
kEDIDSupportedAspectFlag16_9 = (1<<6),
|
|||
|
|
kEDIDSupportedAspectFlag4_3 = (1<<7)
|
|||
|
|
} EDIDSupportedAspectFlags;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDPreferredAspectType4_3,
|
|||
|
|
kEDIDPreferredAspectType16_9,
|
|||
|
|
kEDIDPreferredAspectType16_10,
|
|||
|
|
kEDIDPreferredAspectType5_4,
|
|||
|
|
kEDIDPreferredAspectType15_9,
|
|||
|
|
kEDIDPreferredAspectTypeShift = 5,
|
|||
|
|
kEDIDPreferredAspectTypeMask = 0x7,
|
|||
|
|
|
|||
|
|
} EDIDPreferredAspectType;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDCVTBlankingFlagStandard = (1<<3),
|
|||
|
|
kEDIDCVTBlankingFlagReduced = (1<<4),
|
|||
|
|
} EDIDCVTBlankingFlags;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDDigitalScalingFlagVerticalStretch = (1<<4),
|
|||
|
|
kEDIDDigitalScalingFlagVerticalShrink = (1<<5),
|
|||
|
|
kEDIDDigitalScalingFlagHorizontalStretch = (1<<6),
|
|||
|
|
kEDIDDigitalScalingFlagHorizontalShrink = (1<<7)
|
|||
|
|
} EDIDDigitalScalingFlags;
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedRangeGTF {
|
|||
|
|
uint8_t reserved;
|
|||
|
|
uint8_t breakFrequency; // horizontal freq / 2 (khz)
|
|||
|
|
uint8_t c; // c*2
|
|||
|
|
uint8_t m[2];
|
|||
|
|
uint8_t k;
|
|||
|
|
uint8_t j; // j*2
|
|||
|
|
} EDIDDetailedRangeGTF;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedRangeCVT {
|
|||
|
|
uint8_t version;
|
|||
|
|
// Max. Pix Clk = [(range.maxPixelClockRate) × 10] – [(Byte 12: bits 7-2) × 0.25MHz]
|
|||
|
|
uint8_t precision_activeMaxMSB; // pixel clock precision * 0.25Mhz (bits 7-2) | max active pixels per line MSB (bits 1-0)
|
|||
|
|
uint8_t activeMaxLSB; // max active pixels per line MSB
|
|||
|
|
uint8_t supportedFlags;
|
|||
|
|
uint8_t preferredFlags;
|
|||
|
|
uint8_t scaling;
|
|||
|
|
uint8_t verticalRefreshRate; //hz
|
|||
|
|
} EDIDDetailedRangeCVT;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedRange{
|
|||
|
|
uint8_t flag;
|
|||
|
|
uint8_t minVerticalRate;
|
|||
|
|
uint8_t maxVerticalRate;
|
|||
|
|
uint8_t minHorizontalRate;
|
|||
|
|
uint8_t maxHorizontalRate;
|
|||
|
|
uint8_t maxPixelClockRate;
|
|||
|
|
|
|||
|
|
struct {
|
|||
|
|
EDIDDetailedRangeVideoTimingType type;
|
|||
|
|
|
|||
|
|
union {
|
|||
|
|
EDIDDetailedRangeGTF gtf;
|
|||
|
|
EDIDDetailedRangeCVT cvt;
|
|||
|
|
} data;
|
|||
|
|
}timing;
|
|||
|
|
|
|||
|
|
} EDIDDetailedRange;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedWhitePoint {
|
|||
|
|
uint8_t index;
|
|||
|
|
uint8_t xyLSB;
|
|||
|
|
uint8_t x;
|
|||
|
|
uint8_t y;
|
|||
|
|
uint8_t gamma;
|
|||
|
|
} EDIDDetailedWhitePoint;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedColorPoint {
|
|||
|
|
EDIDDetailedWhitePoint whitePoint[2];
|
|||
|
|
} EDIDDetailedColorPoint;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedEstablishedTimingsIII {
|
|||
|
|
uint8_t data[6];
|
|||
|
|
} EDIDDetailedEstablishedTimingsIII;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDDetailedDescriptor {
|
|||
|
|
uint8_t zero[2];
|
|||
|
|
uint8_t flag;
|
|||
|
|
uint8_t type;
|
|||
|
|
|
|||
|
|
union {
|
|||
|
|
EDIDString name;
|
|||
|
|
EDIDDetailedRange range;
|
|||
|
|
EDIDDetailedColorPoint color;
|
|||
|
|
uint8_t standard[12];
|
|||
|
|
uint8_t cvt[12];
|
|||
|
|
EDIDDetailedEstablishedTimingsIII established;
|
|||
|
|
}data;
|
|||
|
|
|
|||
|
|
}EDIDDetailedDescriptor;
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) EDIDDetailed {
|
|||
|
|
|
|||
|
|
union {
|
|||
|
|
EDIDDetailedHeader header;
|
|||
|
|
EDIDDetailedTiming timing;
|
|||
|
|
EDIDDetailedDescriptor descriptor;
|
|||
|
|
} data;
|
|||
|
|
|
|||
|
|
} EDIDDetailed;
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDHeader {
|
|||
|
|
uint8_t header[8];
|
|||
|
|
} EDIDHeader;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDStandardFeatureFlagGTF = (1<<0),
|
|||
|
|
kEDIDStandardFeatureFlagPreferredNative = (1<<1),
|
|||
|
|
kEDIDStandardFeatureFlagSRGB = (1<<2),
|
|||
|
|
kEDIDStandardFeatureFlagColorDepth = (3<<3),
|
|||
|
|
kEDIDStandardFeatureFlagActiveOff = (1<<5),
|
|||
|
|
kEDIDStandardFeatureFlagSuspend = (1<<6),
|
|||
|
|
kEDIDStandardFeatureFlagStandby = (1<<7)
|
|||
|
|
} EDIDStandardFeatureFlags;
|
|||
|
|
|
|||
|
|
// STANDARD STUFF
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDStandard {
|
|||
|
|
uint8_t header[8];
|
|||
|
|
// Vender / Product
|
|||
|
|
uint8_t vendorID[2];
|
|||
|
|
uint8_t productID[2];
|
|||
|
|
uint8_t serialNumber[4];
|
|||
|
|
uint8_t weekOfManu;
|
|||
|
|
uint8_t yearOfManu;
|
|||
|
|
// EDID structure version / rev.
|
|||
|
|
uint8_t version;
|
|||
|
|
uint8_t revision;
|
|||
|
|
// Basic Display Parameters / Features
|
|||
|
|
uint8_t videoInputDef;
|
|||
|
|
uint8_t maxHorzSize; // cm
|
|||
|
|
uint8_t maxVertSize; // cm
|
|||
|
|
uint8_t dispTransferChr;
|
|||
|
|
uint8_t feature;
|
|||
|
|
// Color Characteristics
|
|||
|
|
uint8_t redGreenLowBits;
|
|||
|
|
uint8_t blueWhiteLowBits;
|
|||
|
|
uint8_t redX;
|
|||
|
|
uint8_t redY;
|
|||
|
|
uint8_t greenX;
|
|||
|
|
uint8_t greenY;
|
|||
|
|
uint8_t blueX;
|
|||
|
|
uint8_t blueY;
|
|||
|
|
uint8_t whiteX;
|
|||
|
|
uint8_t whiteY;
|
|||
|
|
// Established Timings
|
|||
|
|
uint8_t established[3];
|
|||
|
|
// Standard Timing Identification
|
|||
|
|
uint8_t standard[16];
|
|||
|
|
EDIDDetailed preferred;
|
|||
|
|
EDIDDetailed detailed[3];
|
|||
|
|
// Extra
|
|||
|
|
uint8_t extensionFlag;
|
|||
|
|
uint8_t checksum;
|
|||
|
|
} EDIDStandard;
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDEXTHeader {
|
|||
|
|
uint8_t tag;
|
|||
|
|
uint8_t revision;
|
|||
|
|
} EDIDEXTHeader;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCVT {
|
|||
|
|
uint8_t data[3];
|
|||
|
|
} EDIDCVT;
|
|||
|
|
|
|||
|
|
// CEA STUFF
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDCEA3DataBlockTypeReserved,
|
|||
|
|
kEDIDCEA3DataBlockTypeAudio,
|
|||
|
|
kEDIDCEA3DataBlockTypeVideo,
|
|||
|
|
kEDIDCEA3DataBlockTypeVenderSpecific,
|
|||
|
|
kEDIDCEA3DataBlockTypeSpeakerAllocation,
|
|||
|
|
kEDIDCEA3DataBlockTypeVESADTC,
|
|||
|
|
kEDIDCEA3DataBlockTypeReserved1,
|
|||
|
|
kEDIDCEA3DataBlockTypeExtended
|
|||
|
|
} EDIDCEA3DataBlockType;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA3DataBlockAudio {
|
|||
|
|
uint8_t descriptor[0];
|
|||
|
|
} EDIDCEA3DataBlockAudio;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA3DataBlockVideo {
|
|||
|
|
uint8_t descriptor[0];
|
|||
|
|
} EDIDCEA3DataBlockVideo;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA3DataBlockVendorSpecific {
|
|||
|
|
uint8_t ieeeOui[3];
|
|||
|
|
uint8_t data[0];
|
|||
|
|
} EDIDCEA3DataBlockVendorSpecific;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA3DataBlockSpeakerAllocation {
|
|||
|
|
uint8_t data[3];
|
|||
|
|
} EDIDCEA3DataBlockSpeakerAllocation;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA3DataBlockExtended {
|
|||
|
|
uint8_t tag;
|
|||
|
|
uint8_t data[31];
|
|||
|
|
} EDIDCEA3DataBlockExtended;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA3DataBlock {
|
|||
|
|
uint8_t flags;
|
|||
|
|
|
|||
|
|
union {
|
|||
|
|
EDIDCEA3DataBlockAudio audio;
|
|||
|
|
EDIDCEA3DataBlockVideo video;
|
|||
|
|
EDIDCEA3DataBlockVendorSpecific vendor;
|
|||
|
|
EDIDCEA3DataBlockSpeakerAllocation speaker;
|
|||
|
|
EDIDCEA3DataBlockExtended extended;
|
|||
|
|
} data;
|
|||
|
|
|
|||
|
|
} EDIDCEA3DataBlock;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA_1 {
|
|||
|
|
struct {
|
|||
|
|
uint8_t tag;
|
|||
|
|
uint8_t revision;
|
|||
|
|
uint8_t dataOffset;
|
|||
|
|
uint8_t reserved;
|
|||
|
|
} header;
|
|||
|
|
|
|||
|
|
uint8_t data[123];
|
|||
|
|
uint8_t checksum;
|
|||
|
|
} EDIDCEA_1;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA_2 {
|
|||
|
|
struct {
|
|||
|
|
uint8_t tag;
|
|||
|
|
uint8_t revision;
|
|||
|
|
uint8_t dataOffset;
|
|||
|
|
uint8_t detailedFlags;
|
|||
|
|
} header;
|
|||
|
|
|
|||
|
|
uint8_t data[123];
|
|||
|
|
uint8_t checksum;
|
|||
|
|
} EDIDCEA_2;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA_3 {
|
|||
|
|
struct {
|
|||
|
|
uint8_t tag;
|
|||
|
|
uint8_t revision;
|
|||
|
|
uint8_t dataLength;
|
|||
|
|
uint8_t detailedFlags;
|
|||
|
|
} header;
|
|||
|
|
uint8_t data[123];
|
|||
|
|
uint8_t checksum;
|
|||
|
|
} EDIDCEA_3;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDCEA {
|
|||
|
|
union {
|
|||
|
|
EDIDEXTHeader header;
|
|||
|
|
EDIDCEA_1 cea1;
|
|||
|
|
EDIDCEA_2 cea2;
|
|||
|
|
EDIDCEA_3 cea3;
|
|||
|
|
} data;
|
|||
|
|
} EDIDCEA;
|
|||
|
|
|
|||
|
|
typedef struct __attribute__((packed)) _EDIDVTB{
|
|||
|
|
EDIDEXTHeader header;
|
|||
|
|
uint8_t dtbCount;
|
|||
|
|
uint8_t cvtCount;
|
|||
|
|
uint8_t stCount;
|
|||
|
|
uint8_t data[122];
|
|||
|
|
uint8_t checksum;
|
|||
|
|
} EDIDVTB;
|
|||
|
|
|
|||
|
|
typedef enum {
|
|||
|
|
kEDIDTypeCEA = 0x02,
|
|||
|
|
KEDIDTypeVTB = 0x10,
|
|||
|
|
kEDIDTypeDI = 0x40,
|
|||
|
|
} EDIDType;
|
|||
|
|
|
|||
|
|
// __packed
|
|||
|
|
typedef struct __attribute__((packed)) _EDID{
|
|||
|
|
union {
|
|||
|
|
EDIDHeader header;
|
|||
|
|
EDIDStandard standard;
|
|||
|
|
EDIDCEA cea;
|
|||
|
|
EDIDVTB vtb;
|
|||
|
|
} data;
|
|||
|
|
|
|||
|
|
} EDID;
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif /* _IOKIT_EDID_H */
|