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 24#ifndef _IOKIT_IOFRAMEBUFFERUSERCLIENT_H 25#define _IOKIT_IOFRAMEBUFFERUSERCLIENT_H 26 27#include <IOKit/IOUserClient.h> 28#include <IOKit/graphics/IOFramebuffer.h> 29#include <IOKit/pci/IOAGPDevice.h> 30 31/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 32 33class IOFramebufferUserClient : public IOUserClient 34{ 35 OSDeclareDefaultStructors(IOFramebufferUserClient) 36 37public: 38 IOFramebuffer * owner; 39 IOFramebuffer * other; 40 41 // IOUserClient methods 42 virtual IOReturn clientClose( void ); 43 44 virtual IOService * getService( void ); 45 46 virtual IOReturn clientMemoryForType( UInt32 type, 47 IOOptionBits * options, IOMemoryDescriptor ** memory ); 48 49 virtual IOReturn externalMethod( uint32_t selector, IOExternalMethodArguments * args, 50 IOExternalMethodDispatch * dispatch, OSObject * target, void * reference ); 51 52 virtual IOReturn registerNotificationPort( mach_port_t, UInt32, UInt32 ); 53 virtual IOReturn getNotificationSemaphore( UInt32 interruptType, 54 semaphore_t * semaphore ); 55 56 virtual IOReturn connectClient( IOUserClient * other ); 57 58 // others 59 60 static IOFramebufferUserClient * withTask( task_t owningTask ); 61 62 virtual bool start( IOService * provider ); 63 virtual IOReturn setProperties( OSObject * properties ); 64}; 65 66/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 67 68class IOFramebufferSharedUserClient : public IOUserClient 69{ 70 OSDeclareDefaultStructors(IOFramebufferSharedUserClient) 71 72private: 73 74 IOFramebuffer * owner; 75 76public: 77 virtual void free(); 78 virtual void release() const; 79 80 // IOUserClient methods 81 virtual IOReturn clientClose( void ); 82 83 virtual IOService * getService( void ); 84 85 virtual IOReturn clientMemoryForType( UInt32 type, 86 IOOptionBits * options, IOMemoryDescriptor ** memory ); 87 88 virtual IOReturn getNotificationSemaphore( UInt32 notification_type, 89 semaphore_t * semaphore ); 90 91 // others 92 static IOFramebufferSharedUserClient * withTask( task_t owningTask ); 93 virtual bool start( IOService * provider ); 94}; 95 96 97#endif /* ! _IOKIT_IOFRAMEBUFFERUSERCLIENT_H */ 98