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Root/branches/rewrite/i386/include/IOKit/graphics/IODisplay.h

Source at commit 1129 created 12 years 11 months ago.
By meklort, Change options.o so that it reloads the system config as well. Also change it so that it uses that config for variables (NOTE: if the calue exists in chameleonConfig, it's used instead.
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#ifndef _IOKIT_IODISPLAY_H␊
24#define _IOKIT_IODISPLAY_H␊
25␊
26#include <IOKit/IOService.h>␊
27#include <IOKit/graphics/IOFramebuffer.h>␊
28␊
29extern const OSSymbol * gIODisplayParametersKey;␊
30extern const OSSymbol * gIODisplayGUIDKey;␊
31␊
32extern const OSSymbol * gIODisplayValueKey;␊
33extern const OSSymbol * gIODisplayMinValueKey;␊
34extern const OSSymbol * gIODisplayMaxValueKey;␊
35␊
36extern const OSSymbol * gIODisplayContrastKey;␊
37extern const OSSymbol * gIODisplayBrightnessKey;␊
38extern const OSSymbol * gIODisplayHorizontalPositionKey;␊
39extern const OSSymbol * gIODisplayHorizontalSizeKey;␊
40extern const OSSymbol * gIODisplayVerticalPositionKey;␊
41extern const OSSymbol * gIODisplayVerticalSizeKey;␊
42extern const OSSymbol * gIODisplayTrapezoidKey;␊
43extern const OSSymbol * gIODisplayPincushionKey;␊
44extern const OSSymbol * gIODisplayParallelogramKey;␊
45extern const OSSymbol * gIODisplayRotationKey;␊
46extern const OSSymbol * gIODisplayOverscanKey;␊
47extern const OSSymbol * gIODisplayVideoBestKey;␊
48␊
49extern const OSSymbol * gIODisplayParametersTheatreModeKey;␊
50extern const OSSymbol * gIODisplayParametersTheatreModeWindowKey;␊
51␊
52extern const OSSymbol * gIODisplayMCCSVersionKey;␊
53extern const OSSymbol * gIODisplayTechnologyTypeKey;␊
54extern const OSSymbol * gIODisplayUsageTimeKey;␊
55extern const OSSymbol * gIODisplayFirmwareLevelKey;␊
56␊
57extern const OSSymbol * gIODisplaySpeakerVolumeKey;␊
58extern const OSSymbol * gIODisplaySpeakerSelectKey;␊
59extern const OSSymbol * gIODisplayMicrophoneVolumeKey;␊
60extern const OSSymbol * gIODisplayAmbientLightSensorKey;␊
61extern const OSSymbol * gIODisplayAudioMuteAndScreenBlankKey;␊
62extern const OSSymbol * gIODisplayAudioTrebleKey;␊
63extern const OSSymbol * gIODisplayAudioBassKey;␊
64extern const OSSymbol * gIODisplayAudioBalanceLRKey;␊
65extern const OSSymbol * gIODisplayAudioProcessorModeKey;␊
66extern const OSSymbol * gIODisplayPowerModeKey;␊
67extern const OSSymbol * gIODisplayManufacturerSpecificKey;␊
68␊
69extern const OSSymbol * gIODisplayParametersCommitKey;␊
70extern const OSSymbol * gIODisplayParametersDefaultKey;␊
71extern const OSSymbol * gIODisplayParametersFlushKey;␊
72␊
73enum {␊
74 kIODisplayNumPowerStates = 4,␊
75 kIODisplayMaxPowerState = kIODisplayNumPowerStates - 1␊
76};␊
77␊
78// these are the private instance variables for power management␊
79struct DisplayPMVars␊
80{␊
81 UInt32 currentState;␊
82 // highest state number normally, lowest usable state in emergency␊
83 unsigned long maxState;␊
84 // true if the display has had power lowered due to user inactivity␊
85 bool displayIdle;␊
86};␊
87␊
88class IODisplayConnect : public IOService␊
89{␊
90 OSDeclareDefaultStructors(IODisplayConnect)␊
91␊
92private:␊
93 IOIndex connection;␊
94␊
95protected:␊
96/*! @struct ExpansionData␊
97 @discussion This structure will be used to expand the capablilties of this class in the future.␊
98 */ ␊
99 struct ExpansionData { };␊
100␊
101/*! @var reserved␊
102 Reserved for future use. (Internal use only) */␊
103 ExpansionData * reserved;␊
104␊
105public:␊
106 virtual bool initWithConnection( IOIndex connection );␊
107 virtual IOFramebuffer * getFramebuffer( void );␊
108 virtual IOIndex getConnection( void );␊
109 virtual IOReturn getAttributeForConnection( IOSelect selector, uintptr_t * value );␊
110 virtual IOReturn setAttributeForConnection( IOSelect selector, uintptr_t value );␊
111 virtual void joinPMtree ( IOService * driver );␊
112};␊
113␊
114class IODisplay : public IOService␊
115{␊
116 OSDeclareAbstractStructors(IODisplay)␊
117␊
118public:␊
119 static void initialize( void );␊
120␊
121protected:␊
122 // used to query the framebuffer controller␊
123 IODisplayConnect * fConnection;␊
124 class IODisplayParameterHandler * fParameterHandler;␊
125 void * __resv;␊
126 IONotifier * fNotifier;␊
127␊
128 // pointer to protected instance variables for power management␊
129 struct DisplayPMVars * fDisplayPMVars;␊
130␊
131 // reserved for future expansion␊
132 void * _IODisplay_reserved[32];␊
133␊
134public:␊
135 virtual IOService * probe( IOService * provider,␊
136 SInt32 * score );␊
137␊
138 virtual bool start( IOService * provider );␊
139 virtual void stop( IOService * provider );␊
140 virtual void free();␊
141␊
142 virtual IODisplayConnect * getConnection( void );␊
143␊
144 virtual IOReturn getConnectFlagsForDisplayMode(␊
145 IODisplayModeID mode, UInt32 * flags );␊
146␊
147 virtual IOReturn getGammaTableByIndex(␊
148 UInt32 * channelCount, UInt32 * dataCount,␊
149 UInt32 * dataWidth, void ** data );␊
150␊
151 virtual IOReturn readFramebufferEDID( void );␊
152␊
153 // ␊
154 virtual IOReturn framebufferEvent( IOFramebuffer * framebuffer, ␊
155 IOIndex event, void * info );␊
156␊
157 // parameter setting␊
158 virtual IOReturn setProperties( OSObject * properties );␊
159 virtual bool setForKey( OSDictionary * params, const OSSymbol * key,␊
160 SInt32 value, SInt32 min, SInt32 max );␊
161␊
162 static bool addParameter( OSDictionary * params, const OSSymbol * paramName, SInt32 min, SInt32 max );␊
163 static bool setParameter( OSDictionary * params, const OSSymbol * paramName, SInt32 value );␊
164 static OSDictionary * getIntegerRange( OSDictionary * params, const OSSymbol * sym,␊
165 SInt32 * value, SInt32 * min, SInt32 * max );␊
166␊
167 // low level set/get␊
168 virtual bool doIntegerSet( OSDictionary * params,␊
169 const OSSymbol * paramName, UInt32 value );␊
170 virtual bool doDataSet( const OSSymbol * paramName, OSData * value );␊
171 virtual bool doUpdate( void );␊
172␊
173 // power management methods␊
174 virtual IOReturn setPowerState( unsigned long, IOService * );␊
175 virtual unsigned long maxCapabilityForDomainState( IOPMPowerFlags );␊
176 virtual unsigned long initialPowerStateForDomainState( IOPMPowerFlags );␊
177 virtual unsigned long powerStateForDomainState( IOPMPowerFlags );␊
178␊
179 // ␊
180 virtual void initPowerManagement( IOService * provider);␊
181 virtual void dropOneLevel( void );␊
182 virtual void makeDisplayUsable( void );␊
183␊
184private:␊
185 OSMetaClassDeclareReservedUnused(IODisplay, 0);␊
186 OSMetaClassDeclareReservedUnused(IODisplay, 1);␊
187 OSMetaClassDeclareReservedUnused(IODisplay, 2);␊
188 OSMetaClassDeclareReservedUnused(IODisplay, 3);␊
189 OSMetaClassDeclareReservedUnused(IODisplay, 4);␊
190 OSMetaClassDeclareReservedUnused(IODisplay, 5);␊
191 OSMetaClassDeclareReservedUnused(IODisplay, 6);␊
192 OSMetaClassDeclareReservedUnused(IODisplay, 7);␊
193 OSMetaClassDeclareReservedUnused(IODisplay, 8);␊
194 OSMetaClassDeclareReservedUnused(IODisplay, 9);␊
195 OSMetaClassDeclareReservedUnused(IODisplay, 10);␊
196 OSMetaClassDeclareReservedUnused(IODisplay, 11);␊
197 OSMetaClassDeclareReservedUnused(IODisplay, 12);␊
198 OSMetaClassDeclareReservedUnused(IODisplay, 13);␊
199 OSMetaClassDeclareReservedUnused(IODisplay, 14);␊
200 OSMetaClassDeclareReservedUnused(IODisplay, 15);␊
201 OSMetaClassDeclareReservedUnused(IODisplay, 16);␊
202 OSMetaClassDeclareReservedUnused(IODisplay, 17);␊
203 OSMetaClassDeclareReservedUnused(IODisplay, 18);␊
204 OSMetaClassDeclareReservedUnused(IODisplay, 19);␊
205␊
206private:␊
207 static IOReturn _framebufferEvent( OSObject * self, void * ref,␊
208 IOFramebuffer *framebuffer, IOIndex event, void * info );␊
209␊
210 bool addParameterHandler( IODisplayParameterHandler * parameterHandler );␊
211 bool removeParameterHandler( IODisplayParameterHandler * parameterHandler );␊
212 static bool updateNumber( OSDictionary * params, const OSSymbol * key, SInt32 value );␊
213};␊
214␊
215/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */␊
216␊
217class IOBacklightDisplay : public IODisplay␊
218{␊
219 OSDeclareDefaultStructors(IOBacklightDisplay)␊
220␊
221protected:␊
222 // User preferred brightness level␊
223 SInt32 fCurrentUserBrightness;␊
224 SInt32 fCurrentBrightness;␊
225 UInt32 fCurrentPowerState;␊
226 SInt32 fMinBrightness;␊
227 SInt32 fMaxBrightness;␊
228 UInt16 fMaxBrightnessLevel[kIODisplayNumPowerStates];␊
229␊
230public:␊
231 virtual IOService * probe( IOService *, SInt32 * );␊
232 virtual void stop( IOService * provider );␊
233 virtual IOReturn setPowerState( unsigned long, IOService * );␊
234 virtual unsigned long maxCapabilityForDomainState( IOPMPowerFlags );␊
235 virtual unsigned long initialPowerStateForDomainState( IOPMPowerFlags );␊
236 virtual unsigned long powerStateForDomainState( IOPMPowerFlags );␊
237␊
238 // ␊
239 virtual void initPowerManagement( IOService * );␊
240␊
241public:␊
242 virtual bool doIntegerSet( OSDictionary * params,␊
243 const OSSymbol * paramName, UInt32 value );␊
244 virtual bool doUpdate( void );␊
245 virtual void makeDisplayUsable( void );␊
246 virtual bool setBrightness( SInt32 value );␊
247␊
248private:␊
249 void handlePMSettingCallback(const OSSymbol *, OSObject *, uintptr_t);␊
250␊
251 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 0);␊
252 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 1);␊
253 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 2);␊
254 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 3);␊
255 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 4);␊
256 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 5);␊
257 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 6);␊
258 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 7);␊
259 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 8);␊
260 OSMetaClassDeclareReservedUnused(IOBacklightDisplay, 9);␊
261};␊
262␊
263/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */␊
264␊
265class IODisplayParameterHandler : public IOService␊
266{␊
267 OSDeclareDefaultStructors(IODisplayParameterHandler)␊
268␊
269public:␊
270 virtual bool setDisplay( IODisplay * display ) = 0;␊
271 virtual bool doIntegerSet( OSDictionary * params,␊
272 const OSSymbol * paramName, UInt32 value ) = 0;␊
273 virtual bool doDataSet( const OSSymbol * paramName, OSData * value ) = 0;␊
274 virtual bool doUpdate( void ) = 0;␊
275␊
276private:␊
277 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 0);␊
278 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 1);␊
279 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 2);␊
280 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 3);␊
281 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 4);␊
282 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 5);␊
283 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 6);␊
284 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 7);␊
285 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 8);␊
286 OSMetaClassDeclareReservedUnused(IODisplayParameterHandler, 9);␊
287};␊
288␊
289/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */␊
290␊
291#endif /* ! _IOKIT_IODISPLAY_H */␊
292␊
293

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