/* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * 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. * * This 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@ */ #ifndef _IOKIT_IOI2CINTERFACEPRIVATE_H #define _IOKIT_IOI2CINTERFACEPRIVATE_H #ifdef KERNEL #include <IOKit/IOLib.h> #include <IOKit/IOUserClient.h> #include <IOKit/ndrvsupport/IONDRVFramebuffer.h> #endif /* KERNEL */ #include <IOKit/i2c/IOI2CInterface.h> /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ enum { kIOI2CInlineBufferBytes = 1024 }; struct IOI2CBuffer { IOI2CRequest request; UInt8 inlineBuffer[ kIOI2CInlineBufferBytes ]; }; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #ifdef KERNEL /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ class IOI2CInterfaceUserClient : public IOUserClient { OSDeclareDefaultStructors(IOI2CInterfaceUserClient) protected: task_t fTask; public: // IOUserClient methods virtual IOReturn clientClose( void ); virtual IOService * getService( void ); virtual IOExternalMethod * getTargetAndMethodForIndex( IOService ** targetP, UInt32 index ); static IOI2CInterfaceUserClient * withTask( task_t owningTask ); virtual bool start( IOService * provider ); virtual IOReturn setProperties( OSObject * properties ); // others virtual IOReturn extAcquireBus( void ); virtual IOReturn extReleaseBus( void ); virtual IOReturn extIO( void * inStruct, void * outStruct, IOByteCount inSize, IOByteCount * outSize ); }; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #endif /* KERNEL */ #endif /* ! _IOKIT_IOI2CINTERFACEPRIVATE_H */