1/* 2 * Copyright (c) 1998-2002 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#ifndef _IOKIT_IOFIREWIREPOWERMANAGER_H 24#define _IOKIT_IOFIREWIREPOWERMANAGER_H 25 26#include <IOKit/firewire/IOFireWireFamilyCommon.h> 27 28#include <libkern/c++/OSObject.h> 29#include <IOKit/IOReturn.h> 30 31class IOFireWireController; 32 33/*! @class IOFireWirePowerManager 34*/ 35 36class IOFireWirePowerManager : public OSObject 37{ 38 OSDeclareAbstractStructors(IOFireWirePowerManager); 39 40protected: 41 42/*! @struct ExpansionData 43 @discussion This structure will be used to expand the capablilties of the class in the future. 44 */ 45 struct ExpansionData { }; 46 47/*! @var reserved 48 Reserved for future use. (Internal use only) */ 49 ExpansionData *reserved; 50 51 IOFireWireController * fControl; 52 53 UInt32 fMaximumDeciwatts; 54 UInt32 fAllocatedDeciwatts; 55 56public: 57 static IOFireWirePowerManager * createWithController( IOFireWireController * controller ); 58 59 virtual bool initWithController( IOFireWireController * controller ); 60 61 virtual void setMaximumDeciwatts( UInt32 deciwatts ); 62 virtual IOReturn allocateDeciwatts( UInt32 deciwatts ); 63 virtual void deallocateDeciwatts( UInt32 deciwatts ); 64 65private: 66 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 0); 67 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 1); 68 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 2); 69 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 3); 70 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 4); 71 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 5); 72 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 6); 73 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 7); 74 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 8); 75 OSMetaClassDeclareReservedUnused(IOFireWirePowerManager, 9); 76}; 77 78#endif