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Annotation of XNU/iokit/Families/IOGraphics/IOFramebufferUserClient.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 Apple Computer, Inc.
        !            24:  *
        !            25:  *
        !            26:  * HISTORY
        !            27:  *
        !            28:  */
        !            29: 
        !            30: 
        !            31: #ifndef _IOKIT_IOFRAMEBUFFERUSERCLIENT_H
        !            32: #define _IOKIT_IOFRAMEBUFFERUSERCLIENT_H
        !            33: 
        !            34: #include <IOKit/IOUserClient.h>
        !            35: #include <IOKit/graphics/IOFramebuffer.h>
        !            36: #include <IOKit/pci/IOAGPDevice.h>
        !            37: 
        !            38: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            39: 
        !            40: class IOFramebufferUserClient : public IOUserClient
        !            41: {
        !            42:     OSDeclareDefaultStructors(IOFramebufferUserClient)
        !            43: 
        !            44: private:
        !            45: 
        !            46:     IOFramebuffer *    owner;
        !            47: 
        !            48:     IOExternalMethod externals[ 17 ];
        !            49: 
        !            50:     mach_port_t        WSnotificationPort;     // how we tell window server of power changes
        !            51:     void *             notificationMsg;                // Msg to be sent to Window Server.
        !            52:         
        !            53:     unsigned long current_power_state; // current power state of frame buffer
        !            54:    
        !            55: 
        !            56: public:
        !            57:     // IOUserClient methods
        !            58:     virtual IOReturn clientClose( void );
        !            59: 
        !            60:     virtual IOService * getService( void );
        !            61: 
        !            62:     virtual IOReturn clientMemoryForType( UInt32 type,
        !            63:         IOOptionBits * options, IOMemoryDescriptor ** memory );
        !            64: 
        !            65:     virtual IOExternalMethod * getExternalMethodForIndex( UInt32 index );
        !            66: 
        !            67:     virtual IOReturn registerNotificationPort( mach_port_t, UInt32, UInt32 );
        !            68:     virtual IOReturn getNotificationSemaphore( UInt32 interruptType,
        !            69:                                                semaphore_t * semaphore );
        !            70: 
        !            71:     // others
        !            72: 
        !            73:     static IOFramebufferUserClient * withTask( task_t owningTask );
        !            74: 
        !            75:     virtual bool start( IOService * provider );
        !            76: 
        !            77:     virtual IOReturn acknowledgeNotification(void);
        !            78: 
        !            79:     virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService* );
        !            80: 
        !            81:     virtual IOReturn powerStateDidChangeTo(IOPMPowerFlags, unsigned long, IOService* );
        !            82:     
        !            83: };
        !            84: 
        !            85: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            86: 
        !            87: class IOGraphicsEngineClient : public IOUserClient
        !            88: {
        !            89:     OSDeclareDefaultStructors(IOGraphicsEngineClient)
        !            90: 
        !            91: private:
        !            92: 
        !            93:     IOFramebuffer *    owner;
        !            94:     task_t             owningTask;
        !            95:     IOAGPDevice *      agpDev;
        !            96:     bool               haveAGP;
        !            97:     OSArray *          descriptors;
        !            98: 
        !            99:     IOExternalMethod externals[ 4 ];
        !           100: 
        !           101: public:
        !           102:     // IOUserClient methods
        !           103:     virtual IOReturn clientClose( void );
        !           104:     virtual void free();
        !           105: 
        !           106:     virtual IOService * getService( void );
        !           107: 
        !           108:     virtual IOReturn clientMemoryForType( UInt32 type,
        !           109:         IOOptionBits * options, IOMemoryDescriptor ** memory );
        !           110: 
        !           111:     virtual IOExternalMethod * getExternalMethodForIndex( UInt32 index );
        !           112: 
        !           113:     // others
        !           114: 
        !           115:     static IOGraphicsEngineClient * withTask( task_t owningTask );
        !           116:     virtual bool start( IOService * provider );
        !           117: 
        !           118:     virtual IOReturn addUserRange( vm_address_t start, vm_size_t length,
        !           119:                UInt32 aperture, IOPhysicalAddress * phys );
        !           120: 
        !           121:     virtual IOReturn createAGPSpace( IOOptionBits options,
        !           122:                                    IOPhysicalLength    length,
        !           123:                                    IOPhysicalAddress * address, 
        !           124:                                    IOPhysicalLength * lengthOut );
        !           125: 
        !           126:     virtual IOReturn commitAGPMemory( vm_address_t start,
        !           127:                vm_size_t length, IOOptionBits options,
        !           128:                void ** ref, IOByteCount * offset );
        !           129: 
        !           130:     virtual IOReturn releaseAGPMemory( void * ref );
        !           131: 
        !           132: };
        !           133: 
        !           134: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !           135: 
        !           136: class IOFramebufferSharedUserClient : public IOUserClient
        !           137: {
        !           138:     OSDeclareDefaultStructors(IOFramebufferSharedUserClient)
        !           139: 
        !           140: private:
        !           141: 
        !           142:     IOFramebuffer *    owner;
        !           143: 
        !           144:     IOExternalMethod externals[ 0 ];
        !           145: 
        !           146: public:
        !           147:     virtual void free();
        !           148:     virtual void release() const;
        !           149: 
        !           150:     // IOUserClient methods
        !           151:     virtual IOReturn clientClose( void );
        !           152: 
        !           153:     virtual IOService * getService( void );
        !           154: 
        !           155:     virtual IOReturn clientMemoryForType( UInt32 type,
        !           156:         IOOptionBits * options, IOMemoryDescriptor ** memory );
        !           157: 
        !           158:     virtual IOReturn getNotificationSemaphore( UInt32 notification_type,
        !           159:                                     semaphore_t * semaphore );
        !           160:     
        !           161:     virtual IOExternalMethod * getExternalMethodForIndex( UInt32 index );
        !           162: 
        !           163:     // others
        !           164:     static IOFramebufferSharedUserClient * withTask( task_t owningTask );
        !           165:     virtual bool start( IOService * provider );
        !           166: 
        !           167: };
        !           168: 
        !           169: 
        !           170: #endif /* ! _IOKIT_IOFRAMEBUFFERUSERCLIENT_H */

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