projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
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 | * Copyright (c) 1999 Apple Computer, Inc. | |
| 24 | * | |
| 25 | * | |
| 26 | * HISTORY | |
| 27 | * | |
| 28 | */ | |
| 29 | ||
| 30 | #ifndef _IOKIT_IODISPLAYWRANGLER_H | |
| 31 | #define _IOKIT_IODISPLAYWRANGLER_H | |
| 32 | ||
| 33 | #include <IOKit/IOService.h> | |
| 34 | #include <IOKit/graphics/IOFramebuffer.h> | |
| 35 | #include <IOKit/graphics/IODisplay.h> | |
| 36 | ||
| 37 | class IOWorkLoop; | |
| 38 | class IOCommandQueue; | |
| 39 | ||
| 40 | class IODisplayWrangler : public IOService | |
| 41 | { | |
| 42 | OSDeclareDefaultStructors( IODisplayWrangler ); | |
| 43 | ||
| 44 | private: | |
| 45 | bool fOpen; | |
| 46 | IOLock * fMatchingLock; | |
| 47 | OSSet * fFramebuffers; | |
| 48 | OSSet * fDisplays; | |
| 49 | // true: we have informed displays to assume lowest usable state | |
| 50 | bool emergency_informed; | |
| 51 | // from control panel: number of idle minutes before dimming | |
| 52 | unsigned long mins_to_dim; | |
| 53 | // false: use mins_to_dim unless in emergency situation | |
| 54 | bool use_general_aggressiveness; | |
| 55 | ||
| 56 | virtual void initForPM ( void ); | |
| 57 | virtual IOReturn setAggressiveness ( unsigned long, unsigned long ); | |
| 58 | virtual bool activityTickle ( unsigned long, unsigned long ); | |
| 59 | virtual IOReturn setPowerState ( unsigned long powerStateOrdinal, IOService* whatDevice ); | |
| 60 | virtual void makeDisplaysUsable ( void ); | |
| 61 | virtual void idleDisplays ( void ); | |
| 62 | ||
| 63 | static bool _displayHandler( void * target, void * ref, | |
| 64 | IOService * newService ); | |
| 65 | static bool _displayConnectHandler( void * target, void * ref, | |
| 66 | IOService * newService ); | |
| 67 | ||
| 68 | virtual bool displayHandler( OSSet * set, IODisplay * newDisplay); | |
| 69 | virtual bool displayConnectHandler( void * ref, IODisplayConnect * connect); | |
| 70 | ||
| 71 | virtual bool makeDisplayConnects( IOFramebuffer * fb ); | |
| 72 | ||
| 73 | virtual IODisplayConnect * getDisplayConnect( | |
| 74 | IOFramebuffer * fb, IOIndex connect ); | |
| 75 | ||
| 76 | virtual IOReturn getConnectFlagsForDisplayMode( | |
| 77 | IODisplayConnect * connect, | |
| 78 | IODisplayModeID mode, UInt32 * flags ); | |
| 79 | ||
| 80 | virtual IOReturn getDefaultMode( IOFramebuffer * fb, | |
| 81 | IODisplayModeID * mode, IOIndex * depth ); | |
| 82 | ||
| 83 | virtual IOReturn findStartupMode( IOFramebuffer * fb ); | |
| 84 | ||
| 85 | public: | |
| 86 | ||
| 87 | IOService * rootDomain; // points to Root Power Domain | |
| 88 | ||
| 89 | virtual bool start(IOService * provider); | |
| 90 | ||
| 91 | static IOReturn clientStart( IOFramebuffer * fb ); | |
| 92 | ||
| 93 | static IOReturn getFlagsForDisplayMode( | |
| 94 | IOFramebuffer * fb, | |
| 95 | IODisplayModeID mode, UInt32 * flags ); | |
| 96 | ||
| 97 | }; | |
| 98 | ||
| 99 | #endif /* _IOKIT_IODISPLAYWRANGLER_H */ |