/* * 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) 1999 Apple Computer, Inc. * * * HISTORY * */ #ifndef _IOKIT_IODISPLAYWRANGLER_H #define _IOKIT_IODISPLAYWRANGLER_H #include #include #include class IODisplayWrangler : public IOService { OSDeclareDefaultStructors( IODisplayWrangler ); private: bool fOpen; IOLock * fMatchingLock; OSSet * fFramebuffers; OSSet * fDisplays; // from control panel: number of idle minutes before dimming UInt32 fMinutesToDim; // false: use minutesToDim unless in emergency situation bool fUseGeneralAggressiveness; private: virtual void initForPM( void ); virtual IOReturn setAggressiveness( unsigned long, unsigned long ); virtual bool activityTickle( unsigned long, unsigned long ); virtual IOReturn setPowerState( unsigned long powerStateOrdinal, IOService* whatDevice ); virtual unsigned long initialPowerStateForDomainState( IOPMPowerFlags domainState ); virtual void makeDisplaysUsable( void ); virtual void idleDisplays( void ); static bool _displayHandler( void * target, void * ref, IOService * newService ); static bool _displayConnectHandler( void * target, void * ref, IOService * newService ); virtual bool displayHandler( OSSet * set, IODisplay * newDisplay); virtual bool displayConnectHandler( void * ref, IODisplayConnect * connect); virtual IODisplayConnect * getDisplayConnect( IOFramebuffer * fb, IOIndex connect ); virtual IOReturn getConnectFlagsForDisplayMode( IODisplayConnect * connect, IODisplayModeID mode, UInt32 * flags ); public: virtual bool start(IOService * provider); static bool makeDisplayConnects( IOFramebuffer * fb ); static void destroyDisplayConnects( IOFramebuffer * fb ); static IOReturn getFlagsForDisplayMode( IOFramebuffer * fb, IODisplayModeID mode, UInt32 * flags ); }; #endif /* _IOKIT_IODISPLAYWRANGLER_H */