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Annotation of XNU/iokit/IOKit/ndrvsupport/IONDRVFramebuffer.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1997-1998 Apple Computer, Inc.
        !            24:  *
        !            25:  *
        !            26:  * HISTORY
        !            27:  *
        !            28:  * sdouglas  22 Oct 97 - first checked in.
        !            29:  * sdouglas  24 Jul 98 - start IOKit.
        !            30:  * sdouglas  15 Dec 98 - cpp.
        !            31:  *
        !            32:  */
        !            33: 
        !            34: #ifndef _IOKIT_IONDRVFRAMEBUFFER_H
        !            35: #define _IOKIT_IONDRVFRAMEBUFFER_H
        !            36: 
        !            37: #include <IOKit/graphics/IOFramebuffer.h>
        !            38: #include <IOKit/ndrvsupport/IOMacOSVideo.h>
        !            39: 
        !            40: class IONDRVFramebuffer : public IOFramebuffer
        !            41: {
        !            42:     OSDeclareDefaultStructors(IONDRVFramebuffer)
        !            43: 
        !            44: protected:
        !            45: 
        !            46:     IOService *                        nub;
        !            47:     class IONDRV *             ndrv;
        !            48: 
        !            49:     // current configuration
        !            50:     IODisplayModeID            currentDisplayMode;
        !            51:     IOIndex                    currentDepth;
        !            52:     IOIndex                    currentPage;
        !            53:     bool                       directMode;
        !            54: 
        !            55:     IOPhysicalAddress          physicalFramebuffer;
        !            56:     IODeviceMemory     *       vramRange;
        !            57: 
        !            58:     IOIndex                    startAt8;
        !            59:     UInt8                      grayMode;
        !            60:     UInt8                      lastGrayMode;
        !            61:     VDClutBehavior             lastClutSetting;
        !            62: 
        !            63:     bool                       consoleDevice;
        !            64:     UInt32                     ndrvState;
        !            65:     SInt32                     ndrvEnter;
        !            66: 
        !            67:     IODeviceMemory *           vramMemory;
        !            68: 
        !            69:     VDResolutionInfoRec                cachedVDResolution;
        !            70: 
        !            71:     struct _VSLService *       vslServices;
        !            72: 
        !            73: private:
        !            74: 
        !            75:     void initForPM ( void );
        !            76:     IOReturn setPowerState( unsigned long, IOService* );
        !            77:     unsigned long maxCapabilityForDomainState( IOPMPowerFlags );
        !            78:     unsigned long initialPowerStateForDomainState( IOPMPowerFlags );
        !            79:     unsigned long powerStateForDomainState( IOPMPowerFlags );
        !            80: 
        !            81:     virtual IOReturn checkDriver( void );
        !            82:     virtual UInt32 iterateAllModes( IODisplayModeID * displayModeIDs );
        !            83:     virtual IOReturn getResInfoForMode( IODisplayModeID modeID,
        !            84:                                     VDResolutionInfoRec ** theInfo );
        !            85:     virtual void getCurrentConfiguration( void );
        !            86: 
        !            87: public:
        !            88:     virtual IOReturn doControl( UInt32 code, void * params );
        !            89:     virtual IOReturn doStatus( UInt32 code, void * params );
        !            90: 
        !            91: public:
        !            92: 
        !            93:     virtual IOService * probe( IOService *     provider,
        !            94:                                SInt32 *        score );
        !            95: 
        !            96:     virtual bool start( IOService * provider );
        !            97: 
        !            98:     virtual void free( void );
        !            99: 
        !           100:     virtual IOReturn enableController( void );
        !           101: 
        !           102:     virtual IODeviceMemory * makeSubRange( IOPhysicalAddress start,
        !           103:                                            IOPhysicalLength length );
        !           104:     virtual IODeviceMemory * getApertureRange( IOPixelAperture aperture );
        !           105:     virtual IODeviceMemory * getVRAMRange( void );
        !           106: 
        !           107:     virtual IODeviceMemory * findVRAM( void );
        !           108: 
        !           109:     virtual bool isConsoleDevice( void );
        !           110: 
        !           111:     virtual const char * getPixelFormats( void );
        !           112: 
        !           113:     // Array of supported display modes
        !           114:     virtual IOItemCount getDisplayModeCount( void );
        !           115:     virtual IOReturn getDisplayModes( IODisplayModeID * allDisplayModes );
        !           116: 
        !           117:     // Info about a display mode
        !           118:     virtual IOReturn getInformationForDisplayMode( IODisplayModeID displayMode,
        !           119:                     IODisplayModeInformation * info );
        !           120: 
        !           121:     // Mask of pixel formats available in mode and depth
        !           122:     virtual UInt64  getPixelFormatsForDisplayMode( IODisplayModeID displayMode,
        !           123:                     IOIndex depth );
        !           124: 
        !           125:     virtual IOReturn getPixelInformation(
        !           126:        IODisplayModeID displayMode, IOIndex depth,
        !           127:        IOPixelAperture aperture, IOPixelInformation * pixelInfo );
        !           128: 
        !           129:     // Framebuffer info
        !           130: 
        !           131:     // Current display mode and depth
        !           132:     virtual IOReturn getCurrentDisplayMode( IODisplayModeID * displayMode,
        !           133:                             IOIndex * depth );
        !           134: 
        !           135:     // Set display mode and depth
        !           136:     virtual IOReturn setDisplayMode( IODisplayModeID displayMode,
        !           137:                             IOIndex depth );
        !           138: 
        !           139:     // For pages
        !           140:     virtual IOReturn setApertureEnable( IOPixelAperture aperture,
        !           141:                    IOOptionBits enable );
        !           142: 
        !           143:     virtual IOReturn setStartupDisplayMode( IODisplayModeID displayMode,
        !           144:                             IOIndex depth );
        !           145:     virtual IOReturn getStartupDisplayMode( IODisplayModeID * displayMode,
        !           146:                             IOIndex * depth );
        !           147: 
        !           148:     //// CLUTs
        !           149: 
        !           150:     virtual IOReturn setCLUTWithEntries( IOColorEntry * colors, UInt32 index,
        !           151:                 UInt32 numEntries, IOOptionBits options );
        !           152: 
        !           153:     //// Gamma
        !           154: 
        !           155:     virtual IOReturn setGammaTable( UInt32 channelCount, UInt32 dataCount,
        !           156:                     UInt32 dataWidth, void * data );
        !           157: 
        !           158:     //// Display mode timing information
        !           159: 
        !           160:     virtual IOReturn getTimingInfoForDisplayMode( IODisplayModeID displayMode,
        !           161:                 IOTimingInformation * info );
        !           162: 
        !           163:     //// Controller attributes
        !           164: 
        !           165:     virtual IOReturn getAttribute( IOSelect attribute, UInt32 * value );
        !           166: 
        !           167:     //// Connections
        !           168: 
        !           169:     virtual IOItemCount getConnectionCount( void );
        !           170: 
        !           171:     virtual IOReturn getAttributeForConnection( IOIndex connectIndex,
        !           172:                     IOSelect attribute, UInt32  * value );
        !           173:     
        !           174:     virtual IOReturn setAttributeForConnection( IOIndex connectIndex,
        !           175:                     IOSelect attribute, UInt32  info );
        !           176: 
        !           177:     // Apple sensing
        !           178: 
        !           179:     virtual IOReturn getAppleSense( IOIndex connectIndex,
        !           180:             UInt32 * senseType,
        !           181:             UInt32 * primary,
        !           182:             UInt32 * extended,
        !           183:             UInt32 * displayType );
        !           184: 
        !           185:     virtual IOReturn connectFlags( IOIndex connectIndex,
        !           186:                     IODisplayModeID displayMode, IOOptionBits * flags );
        !           187: 
        !           188:     //// IOHighLevelDDCSense
        !           189: 
        !           190:     virtual bool hasDDCConnect( IOIndex connectIndex );
        !           191:     virtual IOReturn getDDCBlock( IOIndex connectIndex, UInt32 blockNumber,
        !           192:                     IOSelect blockType, IOOptionBits options,
        !           193:                     UInt8 * data, IOByteCount * length );
        !           194: 
        !           195:     //// Interrupts
        !           196: 
        !           197:     virtual IOReturn registerForInterruptType( IOSelect interruptType,
        !           198:                        IOFBInterruptProc proc, OSObject * target, void * ref,
        !           199:                        void ** interruptRef );
        !           200:     virtual IOReturn unregisterInterrupt( void * interruptRef );
        !           201:     virtual IOReturn setInterruptState( void * interruptRef, UInt32 state );
        !           202: 
        !           203:     //// HW Cursors
        !           204: 
        !           205:     virtual IOReturn setCursorImage( void * cursorImage );
        !           206:     virtual IOReturn setCursorState( SInt32 x, SInt32 y, bool visible );
        !           207: 
        !           208:     //// VSL calls
        !           209: 
        !           210:     static OSStatus VSLNewInterruptService(
        !           211:                             void * entryID,
        !           212:                             UInt32 serviceType,
        !           213:                             _VSLService ** serviceID );
        !           214:     static OSStatus VSLDisposeInterruptService( _VSLService * serviceID );
        !           215:     static OSStatus VSLDoInterruptService( _VSLService * serviceID );
        !           216:     static Boolean  VSLPrepareCursorForHardwareCursor(
        !           217:                             void * cursorRef,
        !           218:                             IOHardwareCursorDescriptor * hwDesc,
        !           219:                             IOHardwareCursorInfo * hwCursorInfo );
        !           220: };
        !           221: 
        !           222: #endif /* ! _IOKIT_IONDRVFRAMEBUFFER_H */
        !           223: 
        !           224: 

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