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Darwin 0.2 Driver Kit
/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* Portions Copyright (c) 1999 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 1.1 (the "License"). You may not use this file
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource 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 OR NON- INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1997 Apple Computer, Inc.
*
*
* HISTORY
*
* Simon Douglas 22 Oct 97
* - first checked in.
*/
/*
File: Video.h
Contains: Video Driver Interfaces.
Version: System 7.5
DRI: Fernando Urbina
Copyright: � 1984-1996 by Apple Computer, Inc.
All rights reserved.
Warning: *** APPLE INTERNAL USE ONLY ***
This file may contain unreleased API's
BuildInfo: Built by: Simon Douglas
With Interfacer: 2.0d13 (PowerPC native)
From: Video.i
Revision: 53
Dated: 12/13/96
Last change by: IH
Last comment: Define a bit for built-in display modes.
Bugs: Report bugs to Radar component �System Interfaces�, �Latest�
List the version information (from above) in the Problem Description.
*/
#ifndef __IOMACOSVIDEO__
#define __IOMACOSVIDEO__
#ifdef __cplusplus
extern "C" {
#endif
#pragma import on
#pragma options align=mac68k
enum {
mBaseOffset = 1, /*Id of mBaseOffset.*/
mRowBytes = 2, /*Video sResource parameter Id's */
mBounds = 3, /*Video sResource parameter Id's */
mVersion = 4, /*Video sResource parameter Id's */
mHRes = 5, /*Video sResource parameter Id's */
mVRes = 6, /*Video sResource parameter Id's */
mPixelType = 7, /*Video sResource parameter Id's */
mPixelSize = 8, /*Video sResource parameter Id's */
mCmpCount = 9, /*Video sResource parameter Id's */
mCmpSize = 10, /*Video sResource parameter Id's */
mPlaneBytes = 11, /*Video sResource parameter Id's */
mVertRefRate = 14, /*Video sResource parameter Id's */
mVidParams = 1, /*Video parameter block id.*/
mTable = 2, /*Offset to the table.*/
mPageCnt = 3, /*Number of pages*/
mDevType = 4, /*Device Type*/
oneBitMode = 128, /*Id of OneBitMode Parameter list.*/
twoBitMode = 129, /*Id of TwoBitMode Parameter list.*/
fourBitMode = 130, /*Id of FourBitMode Parameter list.*/
eightBitMode = 131 /*Id of EightBitMode Parameter list.*/
};
enum {
sixteenBitMode = 132, /*Id of SixteenBitMode Parameter list.*/
thirtyTwoBitMode = 133, /*Id of ThirtyTwoBitMode Parameter list.*/
firstVidMode = 128, /*The new, better way to do the above. */
secondVidMode = 129, /* QuickDraw only supports six video */
thirdVidMode = 130, /* at this time. */
fourthVidMode = 131,
fifthVidMode = 132,
sixthVidMode = 133,
spGammaDir = 64,
spVidNamesDir = 65
};
/* csTimingFormat values in VDTimingInfo */
/* look in the declaration rom for timing info */
enum {
kDeclROMtables = 0x6465636c //'decl'
};
/* Size of a block of EDID (Extended Display Identification Data) */
enum {
kDDCBlockSize = 128
};
/* ddcBlockType constants*/
enum {
kDDCBlockTypeEDID = 0 /* EDID block type. */
};
/* ddcFlags constants*/
enum {
kDDCForceReadBit = 0, /* Force a new read of the EDID. */
kDDCForceReadMask = (1 << kDDCForceReadBit) /* Mask for kddcForceReadBit. */
};
/*
Timing mode constants for Display Manager MultiMode support
Corresponding .h equates are in Video.h
.a equates are in Video.a
.r equates are in DepVideoEqu.r
The second enum is the old names (for compatibility).
The first enum is the new names.
*/
enum {
timingInvalid = 0, /* Unknown timing� force user to confirm. */
timingInvalid_SM_T24 = 8, /* Work around bug in SM Thunder24 card.*/
timingApple_FixedRateLCD = 42, /* Lump all fixed-rate LCDs into one category.*/
timingApple_512x384_60hz = 130, /* 512x384 (60 Hz) Rubik timing. */
timingApple_560x384_60hz = 135, /* 560x384 (60 Hz) Rubik-560 timing. */
timingApple_640x480_67hz = 140, /* 640x480 (67 Hz) HR timing. */
timingApple_640x400_67hz = 145, /* 640x400 (67 Hz) HR-400 timing. */
timingVESA_640x480_60hz = 150, /* 640x480 (60 Hz) VGA timing. */
timingVESA_640x480_72hz = 152, /* 640x480 (72 Hz) VGA timing. */
timingVESA_640x480_75hz = 154, /* 640x480 (75 Hz) VGA timing. */
timingVESA_640x480_85hz = 158, /* 640x480 (85 Hz) VGA timing. */
timingApple_640x870_75hz = 160, /* 640x870 (75 Hz) FPD timing.*/
timingApple_640x818_75hz = 165, /* 640x818 (75 Hz) FPD-818 timing.*/
timingApple_832x624_75hz = 170, /* 832x624 (75 Hz) GoldFish timing.*/
timingVESA_800x600_56hz = 180, /* 800x600 (56 Hz) SVGA timing. */
timingVESA_800x600_60hz = 182, /* 800x600 (60 Hz) SVGA timing. */
timingVESA_800x600_72hz = 184, /* 800x600 (72 Hz) SVGA timing. */
timingVESA_800x600_75hz = 186, /* 800x600 (75 Hz) SVGA timing. */
timingVESA_800x600_85hz = 188, /* 800x600 (85 Hz) SVGA timing. */
timingVESA_1024x768_60hz = 190, /* 1024x768 (60 Hz) VESA 1K-60Hz timing. */
timingVESA_1024x768_70hz = 200, /* 1024x768 (70 Hz) VESA 1K-70Hz timing. */
timingVESA_1024x768_75hz = 204, /* 1024x768 (75 Hz) VESA 1K-75Hz timing (very similar to timingApple_1024x768_75hz). */
timingVESA_1024x768_85hz = 208, /* 1024x768 (85 Hz) VESA timing. */
timingApple_1024x768_75hz = 210, /* 1024x768 (75 Hz) Apple 19" RGB. */
timingApple_1152x870_75hz = 220, /* 1152x870 (75 Hz) Apple 21" RGB. */
timingAppleNTSC_ST = 230, /* 512x384 (60 Hz, interlaced, non-convolved). */
timingAppleNTSC_FF = 232, /* 640x480 (60 Hz, interlaced, non-convolved). */
timingAppleNTSC_STconv = 234, /* 512x384 (60 Hz, interlaced, convolved). */
timingAppleNTSC_FFconv = 236, /* 640x480 (60 Hz, interlaced, convolved). */
timingApplePAL_ST = 238, /* 640x480 (50 Hz, interlaced, non-convolved). */
timingApplePAL_FF = 240, /* 768x576 (50 Hz, interlaced, non-convolved). */
timingApplePAL_STconv = 242, /* 640x480 (50 Hz, interlaced, convolved). */
timingApplePAL_FFconv = 244, /* 768x576 (50 Hz, interlaced, convolved). */
timingVESA_1280x960_75hz = 250, /* 1280x960 (75 Hz) */
timingVESA_1280x1024_60hz = 260, /* 1280x1024 (60 Hz) */
timingVESA_1280x1024_75hz = 262, /* 1280x1024 (75 Hz) */
timingVESA_1280x1024_85hz = 268, /* 1280x1024 (85 Hz) */
timingVESA_1600x1200_60hz = 280, /* 1600x1200 (60 Hz) VESA proposed timing. */
timingVESA_1600x1200_65hz = 282, /* 1600x1200 (65 Hz) VESA proposed timing. */
timingVESA_1600x1200_70hz = 284, /* 1600x1200 (70 Hz) VESA proposed timing. */
timingVESA_1600x1200_75hz = 286, /* 1600x1200 (75 Hz) VESA proposed timing. */
timingVESA_1600x1200_80hz = 288, /* 1600x1200 (80 Hz) VESA proposed timing (pixel clock is 216 Mhz dot clock). */
timingSMPTE240M_60hz = 400, /* 60Hz V, 33.75KHz H, interlaced timing, 16:9 aspect, typical resolution of 1920x1035. */
timingFilmRate_48hz = 410 /* 48Hz V, 25.20KHz H, non-interlaced timing, typical resolution of 640x480. */
};
enum {
timingApple12 = timingApple_512x384_60hz,
timingApple12x = timingApple_560x384_60hz,
timingApple13 = timingApple_640x480_67hz,
timingApple13x = timingApple_640x400_67hz,
timingAppleVGA = timingVESA_640x480_60hz,
timingApple15 = timingApple_640x870_75hz,
timingApple15x = timingApple_640x818_75hz,
timingApple16 = timingApple_832x624_75hz,
timingAppleSVGA = timingVESA_800x600_56hz,
timingApple1Ka = timingVESA_1024x768_60hz,
timingApple1Kb = timingVESA_1024x768_70hz,
timingApple19 = timingApple_1024x768_75hz,
timingApple21 = timingApple_1152x870_75hz
};
/* csConnectFlags values in VDDisplayConnectInfo */
enum {
kAllModesValid = 0, /* All modes not trimmed by primary init are good close enough to try */
kAllModesSafe = 1, /* All modes not trimmed by primary init are know to be safe */
kReportsTagging = 2, /* Can detect tagged displays (to identify smart monitors) */
kHasDirectConnection = 3, /* True implies that driver can talk directly to device (e.g. serial data link via sense lines) */
kIsMonoDev = 4, /* Says whether there�s an RGB (0) or Monochrome (1) connection. */
kUncertainConnection = 5, /* There may not be a display (no sense lines?). */
kTaggingInfoNonStandard = 6, /* Set when csConnectTaggedType/csConnectTaggedData are non-standard (i.e., not the Apple CRT sense codes). */
kReportsDDCConnection = 7, /* Card can do ddc (set kHasDirectConnect && kHasDDCConnect if you actually found a ddc display). */
kHasDDCConnection = 8, /* Card has ddc connect now. */
kConnectionInactive = 9, /* Set when the connection is NOT currently active (generally used in a multiconnection environment). */
kDependentConnection = 10, /* Set when some ascpect of THIS connection depends on another (will generally be set in a kModeSimulscan environment). */
kBuiltInConnection = 11 /* Set when connection is KNOWN to be built-in (this is not the same as kHasDirectConnection). */
};
/* csDisplayType values in VDDisplayConnectInfo */
enum {
kUnknownConnect = 1, /* Not sure how we�ll use this, but seems like a good idea. */
kPanelConnect = 2, /* For use with fixed-in-place LCD panels. */
kPanelTFTConnect = 2, /* Alias for kPanelConnect */
kFixedModeCRTConnect = 3, /* For use with fixed-mode (i.e., very limited range) displays. */
kMultiModeCRT1Connect = 4, /* 320x200 maybe, 12" maybe, 13" (default), 16" certain, 19" maybe, 21" maybe */
kMultiModeCRT2Connect = 5, /* 320x200 maybe, 12" maybe, 13" certain, 16" (default), 19" certain, 21" maybe */
kMultiModeCRT3Connect = 6, /* 320x200 maybe, 12" maybe, 13" certain, 16" certain, 19" default, 21" certain */
kMultiModeCRT4Connect = 7, /* Expansion to large multi mode (not yet used) */
kModelessConnect = 8, /* Expansion to modeless model (not yet used) */
kFullPageConnect = 9, /* 640x818 (to get 8bpp in 512K case) and 640x870 (these two only) */
kVGAConnect = 10, /* 640x480 VGA default -- question everything else */
kNTSCConnect = 11, /* NTSC ST (default), FF, STconv, FFconv */
kPALConnect = 12, /* PAL ST (default), FF, STconv, FFconv */
kHRConnect = 13, /* Straight-6 connect -- 640x480 and 640x400 (to get 8bpp in 256K case) (these two only) */
kPanelFSTNConnect = 14, /* For use with fixed-in-place LCD FSTN (aka �Supertwist�) panels */
kMonoTwoPageConnect = 15, /* 1152x870 Apple color two-page display */
kColorTwoPageConnect = 16, /* 1152x870 Apple B&W two-page display */
kColor16Connect = 17, /* 832x624 Apple B&W two-page display */
kColor19Connect = 18, /* 1024x768 Apple B&W two-page display */
kGenericCRT = 19, /* Indicates nothing except that connection is CRT in nature. */
kGenericLCD = 20, /* Indicates nothing except that connection is LCD in nature. */
kDDCConnect = 21 /* DDC connection, always set kHasDDCConnection */
};
/* csTimingFlags values in VDTimingInfoRec */
enum {
kModeValid = 0, /* Says that this mode should NOT be trimmed. */
kModeSafe = 1, /* This mode does not need confirmation */
kModeDefault = 2, /* This is the default mode for this type of connection */
kModeShowNow = 3, /* This mode should always be shown (even though it may require a confirm) */
kModeNotResize = 4, /* This mode should not be used to resize the display (eg. mode selects a different connector on card) */
kModeRequiresPan = 5, /* This mode has more pixels than are actually displayed */
kModeInterlaced = 6, /* This mode is interlaced (single pixel lines look bad). */
kModeShowNever = 7, /* This mode should not be shown in the user interface. */
kModeSimulscan = 8, /* Indicates that more than one display connection can be driven from a single framebuffer controller. */
kModeNotPreset = 9, /* Indicates that the timing is not a factory preset for the current display (geometry may need correction) */
kModeBuiltIn = 10 /* Indicates that the display mode is for the built-in connect only (on multiconnect devices like the PB 3400) Only the driver is quieried */
};
/* csDepthFlags in VDVideoParametersInfoRec */
enum {
kDepthDependent = 0 /* Says that this depth mode may cause dependent changes in other framebuffers (and . */
};
/* csResolutionFlags bit flags for VDResolutionInfoRec */
enum {
kResolutionHasMultipleDepthSizes = 0 /* Says that this mode has different csHorizontalPixels, csVerticalLines at different depths (usually slightly larger at lower depths) */
};
enum {
/* Power Mode constants for VDPowerStateRec.powerState. */
kAVPowerOff = 0,
kAVPowerStandby = 1,
kAVPowerSuspend = 2,
kAVPowerOn = 3
};
enum {
/* Power Mode masks and bits for VDPowerStateRec.powerFlags. */
kPowerStateNeedsRefresh = 0,
kPowerStateNeedsRefreshMask = (1L << 0)
};
enum {
/* Control Codes */
cscReset = 0,
cscKillIO = 1,
cscSetMode = 2,
cscSetEntries = 3,
cscSetGamma = 4,
cscGrayPage = 5,
cscGrayScreen = 5,
cscSetGray = 6,
cscSetInterrupt = 7,
cscDirectSetEntries = 8,
cscSetDefaultMode = 9,
cscSwitchMode = 10,
cscSetSync = 11,
cscSavePreferredConfiguration = 16,
cscSetHardwareCursor = 22,
cscDrawHardwareCursor = 23,
cscSetConvolution = 24,
cscSetPowerState = 25,
cscPrivateControlCall = 26, /* Takes a VDPrivateSelectorDataRec*/
cscSetMultiConnect = 28, /* From a GDI point of view, this call should be implemented completely in the HAL and not at all in the core.*/
cscSetClutBehavior = 29, /* Takes a VDClutBehavior */
cscUnusedCall = 127 /* This call used to expend the scrn resource. Its imbedded data contains more control info */
};
enum {
/* Status Codes */
cscGetMode = 2,
cscGetEntries = 3,
cscGetPageCnt = 4,
cscGetPages = 4, /* This is what C&D 2 calls it. */
cscGetPageBase = 5,
cscGetBaseAddr = 5, /* This is what C&D 2 calls it. */
cscGetGray = 6,
cscGetInterrupt = 7,
cscGetGamma = 8,
cscGetDefaultMode = 9,
cscGetCurMode = 10,
cscGetSync = 11,
cscGetConnection = 12, /* Return information about the connection to the display */
cscGetModeTiming = 13, /* Return timing info for a mode */
cscGetModeBaseAddress = 14, /* Return base address information about a particular mode */
cscGetScanProc = 15, /* QuickTime scan chasing routine */
cscGetPreferredConfiguration = 16,
cscGetNextResolution = 17,
cscGetVideoParameters = 18,
cscGetGammaInfoList = 20,
cscRetrieveGammaTable = 21,
cscSupportsHardwareCursor = 22,
cscGetHardwareCursorDrawState = 23,
cscGetConvolution = 24,
cscGetPowerState = 25,
cscPrivateStatusCall = 26, /* Takes a VDPrivateSelectorDataRec*/
cscGetDDCBlock = 27, /* Takes a VDDDCBlockRec */
cscGetMultiConnect = 28, /* From a GDI point of view, this call should be implemented completely in the HAL and not at all in the core.*/
cscGetClutBehavior = 29 /* Takes a VDClutBehavior */
};
/* Bit definitions for the Get/Set Sync call*/
enum {
kDisableHorizontalSyncBit = 0,
kDisableVerticalSyncBit = 1,
kDisableCompositeSyncBit = 2,
kEnableSyncOnBlue = 3,
kEnableSyncOnGreen = 4,
kEnableSyncOnRed = 5,
kNoSeparateSyncControlBit = 6,
kTriStateSyncBit = 7,
kHorizontalSyncMask = 0x01,
kVerticalSyncMask = 0x02,
kCompositeSyncMask = 0x04,
kDPMSSyncMask = 0x07,
kTriStateSyncMask = 0x80,
kSyncOnBlueMask = 0x08,
kSyncOnGreenMask = 0x10,
kSyncOnRedMask = 0x20,
kSyncOnMask = 0x38
};
enum {
/* Power Mode constants for translating DPMS modes to Get/SetSync calls. */
kDPMSSyncOn = 0,
kDPMSSyncStandby = 1,
kDPMSSyncSuspend = 2,
kDPMSSyncOff = 7
};
/* Bit definitions for the Get/Set Convolution call*/
enum {
kConvolved = 0,
kLiveVideoPassThru = 1,
kConvolvedMask = 0x01,
kLiveVideoPassThruMask = 0x02
};
struct VPBlock {
long vpBaseOffset; /*Offset to page zero of video RAM (From minorBaseOS).*/
short vpRowBytes; /*Width of each row of video memory.*/
Rect vpBounds; /*BoundsRect for the video display (gives dimensions).*/
short vpVersion; /*PixelMap version number.*/
short vpPackType;
long vpPackSize;
long vpHRes; /*Horizontal resolution of the device (pixels per inch).*/
long vpVRes; /*Vertical resolution of the device (pixels per inch).*/
short vpPixelType; /*Defines the pixel type.*/
short vpPixelSize; /*Number of bits in pixel.*/
short vpCmpCount; /*Number of components in pixel.*/
short vpCmpSize; /*Number of bits per component*/
long vpPlaneBytes; /*Offset from one plane to the next.*/
};
typedef struct VPBlock VPBlock;
typedef VPBlock *VPBlockPtr;
struct VDEntryRecord {
Ptr csTable; /*(long) pointer to color table entry=value, r,g,b:INTEGER*/
};
typedef struct VDEntryRecord VDEntryRecord;
typedef VDEntryRecord *VDEntRecPtr;
/* Parm block for SetGray control call */
struct VDGrayRecord {
Boolean csMode; /*Same as GDDevType value (0=color, 1=mono)*/
SInt8 filler;
};
typedef struct VDGrayRecord VDGrayRecord;
typedef VDGrayRecord *VDGrayPtr;
/* Parm block for SetInterrupt call */
struct VDFlagRecord {
SInt8 csMode;
SInt8 filler;
};
typedef struct VDFlagRecord VDFlagRecord;
typedef VDFlagRecord *VDFlagRecPtr;
/* Parm block for SetEntries control call */
struct VDSetEntryRecord {
ColorSpec * csTable; /*Pointer to an array of color specs*/
short csStart; /*Which spec in array to start with, or -1*/
short csCount; /*Number of color spec entries to set*/
};
typedef struct VDSetEntryRecord VDSetEntryRecord;
typedef VDSetEntryRecord *VDSetEntryPtr;
/* Parm block for SetGamma control call */
struct VDGammaRecord {
Ptr csGTable; /*pointer to gamma table*/
};
typedef struct VDGammaRecord VDGammaRecord;
typedef VDGammaRecord *VDGamRecPtr;
struct VDBaseAddressInfoRec {
long csDevData; /* LONGINT - (long) timing mode */
long csDevBase; /* LONGINT - (long) base address of the mode */
short csModeReserved; /* INTEGER - (short) will some day be the depth */
long csModeBase; /* LONGINT - (long) reserved */
};
typedef struct VDBaseAddressInfoRec VDBaseAddressInfoRec;
typedef VDBaseAddressInfoRec *VDBaseAddressInfoPtr;
struct VDSwitchInfoRec {
unsigned short csMode; /*(word) mode depth*/
unsigned long csData; /*(long) functional sResource of mode*/
unsigned short csPage; /*(word) page to switch in*/
Ptr csBaseAddr; /*(long) base address of page (return value)*/
unsigned long csReserved; /*(long) Reserved (set to 0) */
};
typedef struct VDSwitchInfoRec VDSwitchInfoRec;
typedef VDSwitchInfoRec *VDSwitchInfoPtr;
struct VDTimingInfoRec {
unsigned long csTimingMode; /* LONGINT - (long) timing mode (a la InitGDevice) */
unsigned long csTimingReserved; /* LONGINT - (long) reserved */
unsigned long csTimingFormat; /* LONGINT - (long) what format is the timing info */
unsigned long csTimingData; /* LONGINT - (long) data supplied by driver */
unsigned long csTimingFlags; /* LONGINT - (long) mode within device */
};
typedef struct VDTimingInfoRec VDTimingInfoRec;
typedef VDTimingInfoRec *VDTimingInfoPtr;
struct VDDisplayConnectInfoRec {
unsigned short csDisplayType; /* INTEGER - (word) Type of display connected */
unsigned char csConnectTaggedType; /* BYTE - type of tagging */
unsigned char csConnectTaggedData; /* BYTE - tagging data */
unsigned long csConnectFlags; /* LONGINT - (long) tell us about the connection */
unsigned long csDisplayComponent; /* LONGINT - (long) if the card has a direct connection to the display, it returns the display component here (FUTURE) */
unsigned long csConnectReserved; /* LONGINT - (long) reserved */
};
typedef struct VDDisplayConnectInfoRec VDDisplayConnectInfoRec;
typedef VDDisplayConnectInfoRec *VDDisplayConnectInfoPtr;
struct VDMultiConnectInfoRec {
unsigned long csDisplayCountOrNumber; /* For GetMultiConnect, returns count n of 1..n connections; otherwise, indicates the ith connection.*/
VDDisplayConnectInfoRec csConnectInfo; /* Standard VDDisplayConnectionInfo for connection i.*/
};
typedef struct VDMultiConnectInfoRec VDMultiConnectInfoRec;
typedef VDMultiConnectInfoRec *VDMultiConnectInfoPtr;
/*
RawSenseCode
This abstract data type is not exactly abstract. Rather, it is merely enumerated constants
for the possible raw sense code values when 'standard' sense code hardware is implemented.
For 'standard' sense code hardware, the raw sense is obtained as follows:
� Instruct the frame buffer controller NOT to actively drive any of the monitor sense lines
� Read the state of the monitor sense lines 2, 1, and 0. (2 is the MSB, 0 the LSB)
IMPORTANT Note:
When the 'kTaggingInfoNonStandard' bit of 'csConnectFlags' is FALSE, then these constants
are valid 'csConnectTaggedType' values in 'VDDisplayConnectInfo'
*/
typedef unsigned char RawSenseCode;
enum {
kRSCZero = 0,
kRSCOne = 1,
kRSCTwo = 2,
kRSCThree = 3,
kRSCFour = 4,
kRSCFive = 5,
kRSCSix = 6,
kRSCSeven = 7
};
/*
ExtendedSenseCode
This abstract data type is not exactly abstract. Rather, it is merely enumerated constants
for the values which are possible when the extended sense algorithm is applied to hardware
which implements 'standard' sense code hardware.
For 'standard' sense code hardware, the extended sense code algorithm is as follows:
(Note: as described here, sense line 'A' corresponds to '2', 'B' to '1', and 'C' to '0')
� Drive sense line 'A' low and read the values of 'B' and 'C'.
� Drive sense line 'B' low and read the values of 'A' and 'C'.
� Drive sense line 'C' low and read the values of 'A' and 'B'.
In this way, a six-bit number of the form BC/AC/AB is generated.
IMPORTANT Note:
When the 'kTaggingInfoNonStandard' bit of 'csConnectFlags' is FALSE, then these constants
are valid 'csConnectTaggedData' values in 'VDDisplayConnectInfo'
*/
typedef unsigned char ExtendedSenseCode;
enum {
kESCZero21Inch = 0x00, /* 21" RGB */
kESCOnePortraitMono = 0x14, /* Portrait Monochrome */
kESCTwo12Inch = 0x21, /* 12" RGB */
kESCThree21InchRadius = 0x31, /* 21" RGB (Radius) */
kESCThree21InchMonoRadius = 0x34, /* 21" Monochrome (Radius) */
kESCThree21InchMono = 0x35, /* 21" Monochrome */
kESCFourNTSC = 0x0A, /* NTSC */
kESCFivePortrait = 0x1E, /* Portrait RGB */
kESCSixMSB1 = 0x03, /* MultiScan Band-1 (12" thru 1Six") */
kESCSixMSB2 = 0x0B, /* MultiScan Band-2 (13" thru 19") */
kESCSixMSB3 = 0x23, /* MultiScan Band-3 (13" thru 21") */
kESCSixStandard = 0x2B, /* 13"/14" RGB or 12" Monochrome */
kESCSevenPAL = 0x00, /* PAL */
kESCSevenNTSC = 0x14, /* NTSC */
kESCSevenVGA = 0x17, /* VGA */
kESCSeven16Inch = 0x2D, /* 16" RGB (GoldFish) */
kESCSevenPALAlternate = 0x30, /* PAL (Alternate) */
kESCSeven19Inch = 0x3A, /* Third-Party 19� */
kESCSevenNoDisplay = 0x3F /* No display connected */
};
/*
DepthMode
This abstract data type is used to to reference RELATIVE pixel depths.
Its definition is largely derived from its past usage, analogous to 'xxxVidMode'
Bits per pixel DOES NOT directly map to 'DepthMode' For example, on some
graphics hardware, 'kDepthMode1' may represent 1 BPP, whereas on other
hardware, 'kDepthMode1' may represent 8BPP.
DepthMode IS considered to be ordinal, i.e., operations such as <, >, ==, etc.
behave as expected. The values of the constants which comprise the set are such
that 'kDepthMode4 < kDepthMode6' behaves as expected.
*/
typedef unsigned short DepthMode;
enum {
kDepthMode1 = 128,
kDepthMode2 = 129,
kDepthMode3 = 130,
kDepthMode4 = 131,
kDepthMode5 = 132,
kDepthMode6 = 133
};
enum {
kFirstDepthMode = 128, /* These constants are obsolete, and just included */
kSecondDepthMode = 129, /* for clients that have converted to the above */
kThirdDepthMode = 130, /* kDepthModeXXX constants. */
kFourthDepthMode = 131,
kFifthDepthMode = 132,
kSixthDepthMode = 133
};
struct VDPageInfo {
short csMode; /*(word) mode within device*/
long csData; /*(long) data supplied by driver*/
short csPage; /*(word) page to switch in*/
Ptr csBaseAddr; /*(long) base address of page*/
};
typedef struct VDPageInfo VDPageInfo;
typedef VDPageInfo *VDPgInfoPtr;
struct VDSizeInfo {
short csHSize; /*(word) desired/returned h size*/
short csHPos; /*(word) desired/returned h position*/
short csVSize; /*(word) desired/returned v size*/
short csVPos; /*(word) desired/returned v position*/
};
typedef struct VDSizeInfo VDSizeInfo;
typedef VDSizeInfo *VDSzInfoPtr;
struct VDSettings {
short csParamCnt; /*(word) number of params*/
short csBrightMax; /*(word) max brightness*/
short csBrightDef; /*(word) default brightness*/
short csBrightVal; /*(word) current brightness*/
short csCntrstMax; /*(word) max contrast*/
short csCntrstDef; /*(word) default contrast*/
short csCntrstVal; /*(word) current contrast*/
short csTintMax; /*(word) max tint*/
short csTintDef; /*(word) default tint*/
short csTintVal; /*(word) current tint*/
short csHueMax; /*(word) max hue*/
short csHueDef; /*(word) default hue*/
short csHueVal; /*(word) current hue*/
short csHorizDef; /*(word) default horizontal*/
short csHorizVal; /*(word) current horizontal*/
short csHorizMax; /*(word) max horizontal*/
short csVertDef; /*(word) default vertical*/
short csVertVal; /*(word) current vertical*/
short csVertMax; /*(word) max vertical*/
};
typedef struct VDSettings VDSettings;
typedef VDSettings *VDSettingsPtr;
struct VDDefMode {
UInt8 csID;
SInt8 filler;
};
typedef struct VDDefMode VDDefMode;
typedef VDDefMode *VDDefModePtr;
struct VDSyncInfoRec {
UInt8 csMode;
UInt8 csFlags;
};
typedef struct VDSyncInfoRec VDSyncInfoRec;
typedef VDSyncInfoRec *VDSyncInfoPtr;
typedef unsigned long DisplayModeID;
typedef unsigned long VideoDeviceType;
typedef unsigned long GammaTableID;
/* Constants for the GetNextResolution call */
enum {
kDisplayModeIDCurrent = 0x00, /* Reference the Current DisplayModeID */
kDisplayModeIDInvalid = 0xFFFFFFFF, /* A bogus DisplayModeID in all cases */
kDisplayModeIDFindFirstResolution = 0xFFFFFFFE, /* Used in cscGetNextResolution to reset iterator */
kDisplayModeIDNoMoreResolutions = 0xFFFFFFFD /* Used in cscGetNextResolution to indicate End Of List */
};
/* Constants for the GetGammaInfoList call */
enum {
kGammaTableIDFindFirst = 0xFFFFFFFE, /* Get the first gamma table ID */
kGammaTableIDNoMoreTables = 0xFFFFFFFD, /* Used to indicate end of list */
kGammaTableIDSpecific = 0x00 /* Return the info for the given table id */
};
/* Constants for GetMultiConnect call*/
enum {
kGetConnectionCount = 0xFFFFFFFF, /* Used to get the number of possible connections in a �multi-headed� framebuffer environment.*/
kActivateConnection = (0 << kConnectionInactive), /* Used for activating a connection (csConnectFlags value).*/
kDeactivateConnection = (1 << kConnectionInactive) /* Used for deactivating a connection (csConnectFlags value.)*/
};
struct VDResolutionInfoRec {
DisplayModeID csPreviousDisplayModeID; /* ID of the previous resolution in a chain */
DisplayModeID csDisplayModeID; /* ID of the next resolution */
unsigned long csHorizontalPixels; /* # of pixels in a horizontal line at the max depth */
unsigned long csVerticalLines; /* # of lines in a screen at the max depth */
Fixed csRefreshRate; /* Vertical Refresh Rate in Hz */
DepthMode csMaxDepthMode; /* 0x80-based number representing max bit depth */
unsigned long csResolutionFlags; /* Reserved - flag bits */
unsigned long csReserved; /* Reserved */
};
typedef struct VDResolutionInfoRec VDResolutionInfoRec;
typedef VDResolutionInfoRec *VDResolutionInfoPtr;
struct VDVideoParametersInfoRec {
DisplayModeID csDisplayModeID; /* the ID of the resolution we want info on */
DepthMode csDepthMode; /* The bit depth we want the info on (0x80 based) */
VPBlockPtr csVPBlockPtr; /* Pointer to a video parameter block */
unsigned long csPageCount; /* Number of pages supported by the resolution */
VideoDeviceType csDeviceType; /* Device Type: Direct, Fixed or CLUT; */
UInt32 csDepthFlags; /* Flags */
};
typedef struct VDVideoParametersInfoRec VDVideoParametersInfoRec;
typedef VDVideoParametersInfoRec *VDVideoParametersInfoPtr;
struct VDGammaInfoRec {
GammaTableID csLastGammaID; /* the ID of the previous gamma table */
GammaTableID csNextGammaID; /* the ID of the next gamma table */
Ptr csGammaPtr; /* Ptr to a gamma table data */
unsigned long csReserved; /* Reserved */
};
typedef struct VDGammaInfoRec VDGammaInfoRec;
typedef VDGammaInfoRec *VDGammaInfoPtr;
struct VDGetGammaListRec {
GammaTableID csPreviousGammaTableID; /* ID of the previous gamma table */
GammaTableID csGammaTableID; /* ID of the gamma table following csPreviousDisplayModeID */
unsigned long csGammaTableSize; /* Size of the gamma table in bytes */
char * csGammaTableName; /* Gamma table name (c-string) */
};
typedef struct VDGetGammaListRec VDGetGammaListRec;
typedef VDGetGammaListRec *VDGetGammaListPtr;
struct VDRetrieveGammaRec {
GammaTableID csGammaTableID; /* ID of gamma table to retrieve */
GammaTbl * csGammaTablePtr; /* Location to copy desired gamma to */
};
typedef struct VDRetrieveGammaRec VDRetrieveGammaRec;
typedef VDRetrieveGammaRec *VDRetrieveGammaPtr;
struct VDSetHardwareCursorRec {
void * csCursorRef; /* reference to cursor data */
UInt32 csReserved1; /* reserved for future use */
UInt32 csReserved2; /* should be ignored */
};
typedef struct VDSetHardwareCursorRec VDSetHardwareCursorRec;
typedef VDSetHardwareCursorRec *VDSetHardwareCursorPtr;
struct VDDrawHardwareCursorRec {
SInt32 csCursorX; /* x coordinate */
SInt32 csCursorY; /* y coordinate */
UInt32 csCursorVisible; /* true if cursor is must be visible */
UInt32 csReserved1; /* reserved for future use */
UInt32 csReserved2; /* should be ignored */
};
typedef struct VDDrawHardwareCursorRec VDDrawHardwareCursorRec;
typedef VDDrawHardwareCursorRec *VDDrawHardwareCursorPtr;
struct VDSupportsHardwareCursorRec {
UInt32 csSupportsHardwareCursor;
/* true if hardware cursor is supported */
UInt32 csReserved1; /* reserved for future use */
UInt32 csReserved2; /* must be zero */
};
typedef struct VDSupportsHardwareCursorRec VDSupportsHardwareCursorRec;
typedef VDSupportsHardwareCursorRec *VDSupportsHardwareCursorPtr;
struct VDHardwareCursorDrawStateRec {
SInt32 csCursorX; /* x coordinate */
SInt32 csCursorY; /* y coordinate */
UInt32 csCursorVisible; /* true if cursor is visible */
UInt32 csCursorSet; /* true if cursor successfully set by last set control call */
UInt32 csReserved1; /* reserved for future use */
UInt32 csReserved2; /* must be zero */
};
typedef struct VDHardwareCursorDrawStateRec VDHardwareCursorDrawStateRec;
typedef VDHardwareCursorDrawStateRec *VDHardwareCursorDrawStatePtr;
struct VDConvolutionInfoRec {
DisplayModeID csDisplayModeID; /* the ID of the resolution we want info on */
DepthMode csDepthMode; /* The bit depth we want the info on (0x80 based) */
unsigned long csPage;
UInt32 csFlags;
UInt32 csReserved;
};
typedef struct VDConvolutionInfoRec VDConvolutionInfoRec;
typedef VDConvolutionInfoRec *VDConvolutionInfoPtr;
struct VDPowerStateRec {
unsigned long powerState;
unsigned long powerFlags;
unsigned long powerReserved1;
unsigned long powerReserved2;
};
typedef struct VDPowerStateRec VDPowerStateRec;
typedef VDPowerStateRec *VDPowerStatePtr;
/*
Private Data to video drivers.
In versions of MacOS with multiple address spaces (System 8), the OS
must know the extent of parameters in order to move them between the caller
and driver. The old private-selector model for video drivers does not have
this information so:
For post-7.x Systems private calls should be implemented using the cscPrivateCall
*/
struct VDPrivateSelectorDataRec {
LogicalAddress privateParameters; /* Caller's parameters*/
ByteCount privateParametersSize; /* Size of data sent from caller to driver*/
LogicalAddress privateResults; /* Caller's return area. Can be nil, or same as privateParameters.*/
ByteCount privateResultsSize; /* Size of data driver returns to caller. Can be nil, or same as privateParametersSize.*/
};
typedef struct VDPrivateSelectorDataRec VDPrivateSelectorDataRec;
struct VDPrivateSelectorRec {
UInt32 reserved; /* Reserved (set to 0). */
VDPrivateSelectorDataRec data[1];
};
typedef struct VDPrivateSelectorRec VDPrivateSelectorRec;
struct VDDDCBlockRec {
UInt32 ddcBlockNumber; /* Input -- DDC EDID (Extended Display Identification Data) number (1-based) */
ResType ddcBlockType; /* Input -- DDC block type (EDID/VDIF) */
UInt32 ddcFlags; /* Input -- DDC Flags*/
UInt32 ddcReserved; /* Reserved */
Byte ddcBlockData[128]; /* Output -- DDC EDID/VDIF data (kDDCBlockSize) */
};
typedef struct VDDDCBlockRec VDDDCBlockRec;
typedef VDDDCBlockRec *VDDDCBlockPtr;
typedef UInt32 VDClutBehavior;
typedef VDClutBehavior *VDClutBehaviorPtr;
enum {
kSetClutAtSetEntries = 0, /* SetEntries behavior is to update clut during SetEntries call*/
kSetClutAtVBL = 1 /* SetEntries behavior is to upate clut at next vbl*/
};
#pragma options align=reset
#pragma import off
#ifdef __cplusplus
}
#endif
#endif /* __IOMACOSVIDEO__ */
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