Root/
| 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. | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 1998-2010 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_IOAUDIOLEVELCONTROL_H␊ |
| 24 | #define _IOKIT_IOAUDIOLEVELCONTROL_H␊ |
| 25 | ␊ |
| 26 | #ifndef IOAUDIOFAMILY_SELF_BUILD␊ |
| 27 | #include <IOKit/audio/IOAudioControl.h>␊ |
| 28 | #else␊ |
| 29 | #include "IOAudioControl.h"␊ |
| 30 | #endif␊ |
| 31 | ␊ |
| 32 | class OSArray;␊ |
| 33 | ␊ |
| 34 | /*!␊ |
| 35 | * @class IOAudioLevelControl␊ |
| 36 | * @abstract␊ |
| 37 | * @discussion␊ |
| 38 | */␊ |
| 39 | ␊ |
| 40 | class IOAudioLevelControl : public IOAudioControl␊ |
| 41 | {␊ |
| 42 | OSDeclareDefaultStructors(IOAudioLevelControl)␊ |
| 43 | ␊ |
| 44 | protected:␊ |
| 45 | SInt32␉minValue;␊ |
| 46 | SInt32␉maxValue;␊ |
| 47 | IOFixed␉minDB;␊ |
| 48 | IOFixed␉maxDB;␊ |
| 49 | ␊ |
| 50 | OSArray *ranges;␊ |
| 51 | ␊ |
| 52 | protected:␊ |
| 53 | struct ExpansionData { };␊ |
| 54 | ␊ |
| 55 | ExpansionData *reserved;␊ |
| 56 | ␊ |
| 57 | public:␊ |
| 58 | ␉static IOAudioLevelControl *createPassThruVolumeControl (SInt32 initialValue,␊ |
| 59 | SInt32 minValue,␊ |
| 60 | SInt32 maxValue,␊ |
| 61 | IOFixed minDB,␊ |
| 62 | IOFixed maxDB,␊ |
| 63 | UInt32 channelID,␊ |
| 64 | const char *channelName,␊ |
| 65 | UInt32 cntrlID);␊ |
| 66 | ␊ |
| 67 | ␉// OSMetaClassDefineReservedUnused(IOAudioLevelControl, 0);␊ |
| 68 | /*!␊ |
| 69 | ␉ * @function setLinearScale␊ |
| 70 | * @abstract This function tells CoreAudio if it should apply a curve to the scaler representation of the volume.␊ |
| 71 | ␉ * @param useLinearScale TRUE instructs CoreAudio to not apply a curve to the scaler representation of the volume,␊ |
| 72 | ␉ * FALSE instructs CoreAudio to apply a curve, which is CoreAudio's default behavior.␊ |
| 73 | */␊ |
| 74 | ␉virtual void setLinearScale(bool useLinearScale);␊ |
| 75 | ␊ |
| 76 | private:␊ |
| 77 | OSMetaClassDeclareReservedUsed(IOAudioLevelControl, 0);␊ |
| 78 | ␊ |
| 79 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 1);␊ |
| 80 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 2);␊ |
| 81 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 3);␊ |
| 82 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 4);␊ |
| 83 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 5);␊ |
| 84 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 6);␊ |
| 85 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 7);␊ |
| 86 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 8);␊ |
| 87 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 9);␊ |
| 88 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 10);␊ |
| 89 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 11);␊ |
| 90 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 12);␊ |
| 91 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 13);␊ |
| 92 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 14);␊ |
| 93 | OSMetaClassDeclareReservedUnused(IOAudioLevelControl, 15);␊ |
| 94 | ␊ |
| 95 | public:␊ |
| 96 | /*!␊ |
| 97 | * @function create␊ |
| 98 | * @abstract Allocates a new level control with the given attributes␊ |
| 99 | * @param initialValue The initial value of the control␊ |
| 100 | * @param minValue The lowest possible value the control may have ␊ |
| 101 | * @param maxValue The highest possible value the control may have␊ |
| 102 | * @param minDB A fixed point representation of the db value matching minValue ␊ |
| 103 | * @param maxDB A fixed point representation of the db value matching maxValue ␊ |
| 104 | * @param channelID The ID of the channel(s) that the control acts on. Common IDs are located in IOAudioTypes.h.␊ |
| 105 | * @param channelName An optional name for the channel. Common names are located in IOAudioTypes.h.␊ |
| 106 | * @param cntrlID An optional ID for the control that can be used to uniquely identify controls.␊ |
| 107 | * @result Returns a newly allocted and initialized level IOAudioControl␊ |
| 108 | */␊ |
| 109 | static IOAudioLevelControl *create(SInt32 initialValue,␊ |
| 110 | SInt32 minValue,␊ |
| 111 | SInt32 maxValue,␊ |
| 112 | IOFixed minDB,␊ |
| 113 | IOFixed maxDB,␊ |
| 114 | UInt32 channelID,␊ |
| 115 | const char *channelName = 0,␊ |
| 116 | UInt32 cntrlID = 0,␊ |
| 117 | UInt32 subType = 0,␊ |
| 118 | UInt32 usage = 0);␊ |
| 119 | ␊ |
| 120 | static IOAudioLevelControl *createVolumeControl(SInt32 initialValue,␊ |
| 121 | SInt32 minValue,␊ |
| 122 | SInt32 maxValue,␊ |
| 123 | IOFixed minDB,␊ |
| 124 | IOFixed maxDB,␊ |
| 125 | UInt32 channelID,␊ |
| 126 | const char *channelName = 0,␊ |
| 127 | UInt32 cntrlID = 0,␊ |
| 128 | UInt32 usage = 0);␊ |
| 129 | ␊ |
| 130 | /*!␊ |
| 131 | * @function init␊ |
| 132 | * @abstract Initializes a newly allocated IOAudioLevelControl with the given attributes␊ |
| 133 | * @param initialValue The initial value of the control␊ |
| 134 | * @param minValue The lowest possible value the control may have ␊ |
| 135 | * @param maxValue The highest possible value the control may have␊ |
| 136 | * @param minDB A fixed point representation of the db value matching minValue ␊ |
| 137 | * @param maxDB A fixed point representation of the db value matching maxValue ␊ |
| 138 | * @param channelID The ID of the channel(s) that the control acts on. Common IDs are located in IOAudioTypes.h.␊ |
| 139 | * @param channelName An optional name for the channel. Common names are located in IOAudioTypes.h.␊ |
| 140 | * @param cntrlID An optional ID for the control that can be used to uniquely identify controls.␊ |
| 141 | * @param properties Standard property list passed to the init() function of any new IOService. This dictionary␊ |
| 142 | * gets stored in the registry entry for this service.␊ |
| 143 | * @result Returns true on success␊ |
| 144 | */␊ |
| 145 | virtual bool init(SInt32 initialValue,␊ |
| 146 | SInt32 minValue,␊ |
| 147 | SInt32 maxValue,␊ |
| 148 | IOFixed minDB,␊ |
| 149 | IOFixed maxDB,␊ |
| 150 | UInt32 channelID,␊ |
| 151 | const char *channelName = 0,␊ |
| 152 | UInt32 cntrlID = 0,␊ |
| 153 | UInt32 subType = 0,␊ |
| 154 | UInt32 usage = 0,␊ |
| 155 | OSDictionary *properties = 0);␊ |
| 156 | ␊ |
| 157 | virtual void free();␊ |
| 158 | ␊ |
| 159 | /*!␊ |
| 160 | * @function setMinValue␊ |
| 161 | * @abstract Sets the minimum value the control may have␊ |
| 162 | * @param minValue The minimum value for the control␊ |
| 163 | */␊ |
| 164 | virtual void setMinValue(SInt32 minValue);␊ |
| 165 | ␊ |
| 166 | virtual SInt32 getMinValue();␊ |
| 167 | ␊ |
| 168 | /*!␊ |
| 169 | * @function setMaxValue␊ |
| 170 | * @abstract Sets the maximum value the control may have␊ |
| 171 | * @param maxValue The maximum value for the control␊ |
| 172 | */ ␊ |
| 173 | virtual void setMaxValue(SInt32 maxValue);␊ |
| 174 | ␊ |
| 175 | virtual SInt32 getMaxValue();␊ |
| 176 | ␊ |
| 177 | /*!␊ |
| 178 | * @function setMinDB␊ |
| 179 | * @abstract Sets the minimum value in db that the control may have␊ |
| 180 | * @discussion This value is represented as an IOFixed value which is a fixed point number. The IOFixed␊ |
| 181 | * type is a 16.16 fixed point value.␊ |
| 182 | * @param minDB The minimum value in db for the control␊ |
| 183 | */␊ |
| 184 | virtual void setMinDB(IOFixed minDB);␊ |
| 185 | ␊ |
| 186 | virtual IOFixed getMinDB();␊ |
| 187 | ␊ |
| 188 | /*!␊ |
| 189 | * @function setMaxDB␊ |
| 190 | * @abstract Sets the maximum value in db that the control may have␊ |
| 191 | * @discussion This value is represented as an IOFixed value which is a fixed point number. The IOFixed␊ |
| 192 | * type is a 16.16 fixed point value.␊ |
| 193 | * @param maxDB The maximum value in db for the control␊ |
| 194 | */␊ |
| 195 | virtual void setMaxDB(IOFixed maxDB);␊ |
| 196 | ␊ |
| 197 | virtual IOFixed getMaxDB();␊ |
| 198 | ␊ |
| 199 | virtual IOReturn addRange(SInt32 minValue, SInt32 maxValue, IOFixed minDB, IOFixed maxDB);␊ |
| 200 | virtual IOReturn addNegativeInfinity(SInt32 negativeInfinityValue);␊ |
| 201 | ␊ |
| 202 | virtual IOReturn validateValue(OSObject *newValue);␊ |
| 203 | };␊ |
| 204 | ␊ |
| 205 | #endif /* _IOKIT_IOAUDIOLEVELCONTROL_H */␊ |
| 206 | |
