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I2CUserClientPrivate.h
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I2CUserClientPrivate.h
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/*
* 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@
*/
/*
* Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
*
*/
#ifndef _I2CUSERCLIENTPRIVATE_H
#define _I2CUSERCLIENTPRIVATE_H
#include <IOKit/IOUserClient.h>
#include "PPCI2CInterface.h"
#include "I2CUserClient.h"
#ifdef DLOG
#undef DLOG
#endif
// Uncomment to enable debug output
// #define I2CUSERCLIENT_DEBUG 1
#ifdef I2CUSERCLIENT_DEBUG
#define DLOG(fmt, args...) IOLog(fmt, ## args)
#else
#define DLOG(fmt, args...)
#endif
class I2CUserClient : public IOUserClient
{
OSDeclareDefaultStructors(I2CUserClient)
private:
task_t fOwningTask;
PPCI2CInterface *fProvider;
IOLock *fIsOpenLock;
bool fIsOpen;
public:
virtual bool start(IOService *provider);
virtual void stop(IOService *provider);
virtual IOExternalMethod *getTargetAndMethodForIndex(
IOService **target, UInt32 Index);
virtual IOReturn clientClose(void);
virtual bool init(OSDictionary *dict);
virtual bool initWithTask(task_t owningTask, void *security_id,
UInt32 type);
virtual void free(void);
virtual bool attach(IOService *provider);
virtual void detach(IOService *provider);
// Externally accessible methods
IOReturn userClientOpen(void);
IOReturn userClientClose(void);
IOReturn read( void *inStruct, void *outStruct,
void *inCount, void *outCount, void *p5, void *p6 );
IOReturn write( void *inStruct, void *outStruct,
void *inCount, void *outCount, void *p5, void *p6 );
IOReturn rmw( void *inStruct, void *inCount,
void *p3, void *p4, void *p5, void *p6 );
};
#endif