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Annotation of XNU/iokit/Families/IOGraphics/IODisplayWrangler.h, revision 1.1

1.1     ! root        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 unsigned long  maxCapabilityForDomainState ( IOPMPowerFlags );
        !            60:     virtual unsigned long  powerStateForDomainState ( IOPMPowerFlags );
        !            61:     virtual unsigned long  initialPowerStateForDomainState ( IOPMPowerFlags );
        !            62:     virtual IOReturn setPowerState ( unsigned long powerStateOrdinal, IOService* whatDevice );
        !            63:     virtual void makeDisplaysUsable ( void );
        !            64:     virtual void idleDisplays ( void );
        !            65:       
        !            66:     static bool _displayHandler( void * target, void * ref,
        !            67:                             IOService * newService );
        !            68:     static bool _displayConnectHandler( void * target, void * ref,
        !            69:                             IOService * newService );
        !            70: 
        !            71:     virtual bool displayHandler( OSSet * set, IODisplay * newDisplay);
        !            72:     virtual bool displayConnectHandler( void * ref, IODisplayConnect * connect);
        !            73: 
        !            74:     virtual bool makeDisplayConnects( IOFramebuffer * fb );
        !            75: 
        !            76:     virtual IODisplayConnect * getDisplayConnect(
        !            77:                IOFramebuffer * fb, IOIndex connect );
        !            78: 
        !            79:     virtual IOReturn getConnectFlagsForDisplayMode(
        !            80:                IODisplayConnect * connect,
        !            81:                IODisplayModeID mode, UInt32 * flags );
        !            82: 
        !            83:     virtual IOReturn getDefaultMode( IOFramebuffer * fb,
        !            84:                         IODisplayModeID * mode, IOIndex * depth );
        !            85: 
        !            86:     virtual IOReturn findStartupMode( IOFramebuffer * fb );
        !            87: 
        !            88: public:
        !            89: 
        !            90:     virtual bool start(IOService * provider);
        !            91: 
        !            92:     static IOReturn clientStart( IOFramebuffer * fb );
        !            93: 
        !            94:     static IOReturn getFlagsForDisplayMode(
        !            95:                IOFramebuffer * fb,
        !            96:                IODisplayModeID mode, UInt32 * flags );
        !            97:     
        !            98: };
        !            99: 
        !           100: #endif /* _IOKIT_IODISPLAYWRANGLER_H */

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