]> git.saurik.com Git - apple/xnu.git/blame - iokit/IOKit/pwr_mgt/IOPM.h
xnu-792.6.61.tar.gz
[apple/xnu.git] / iokit / IOKit / pwr_mgt / IOPM.h
CommitLineData
1c79356b
A
1/*
2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
37839358
A
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.
1c79356b 11 *
37839358
A
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
1c79356b
A
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
37839358
A
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.
1c79356b
A
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22#ifndef _IOKIT_IOPM_H
23#define _IOKIT_IOPM_H
24
25#define IOPMMaxPowerStates 10
26
27typedef unsigned long IOPMPowerFlags;
0b4e3aa0
A
28enum {
29 // following bits are used in the input and output power fields
30 kIOPMClockNormal = 0x0004,
31 kIOPMClockRunning = 0x0008,
32 kIOPMAuxPowerOn = 0x0020, // used only between root and root parent
33 kIOPMPagingAvailable = 0x0020, // used only between paging plexus and its children
34 kIOPMPassThrough = 0x0100,
35 kIOPMDoze = 0x0400,
36 kIOPMSoftSleep = 0x0400, // old usage, replaced by kIOPMDoze
37 kIOPMSleep = 0x0001,
38 kIOPMRestart = 0x0080,
39 // following bits are used in the capabilites field and the power fields
40 kIOPMPowerOn = 0x0002,
41 kIOPMPreventSystemSleep = 0x0010,
42 kIOPMPreventIdleSleep = 0x0040,
43 // following bits are used in the capabilites field
44 kIOPMNotAttainable = 0x0001, // used between a driver and its policy-maker
45 kIOPMChildClamp = 0x0080, // used internally in a power domain parent
46 kIOPMChildClamp2 = 0x0200, // used internally in a power domain parent
47 kIOPMDeviceUsable = 0x8000,
48 kIOPMMaxPerformance = 0x4000,
49 kIOPMContextRetained = 0x2000,
50 kIOPMConfigRetained = 0x1000,
51 kIOPMSleepCapability = 0x0004,
52 kIOPMRestartCapability = 0x0080,
53 kIOPMNotPowerManaged = 0x0800, // this is an error return rather than a bit
54 kIOPMStaticPowerValid = 0x0800, // therefore this bit safely overloads it
55
56 kIOPMCapabilitiesMask = kIOPMPowerOn | kIOPMDeviceUsable | kIOPMMaxPerformance |
57 kIOPMContextRetained | kIOPMConfigRetained | kIOPMSleepCapability |
58 kIOPMRestartCapability
59};
60
61
62enum {
63 IOPMNotAttainable = kIOPMNotAttainable,
64 IOPMPowerOn = kIOPMPowerOn,
65 IOPMClockNormal = kIOPMClockNormal,
66 IOPMClockRunning = kIOPMClockRunning,
67 IOPMAuxPowerOn = kIOPMAuxPowerOn,
68 IOPMDeviceUsable = kIOPMDeviceUsable,
69 IOPMMaxPerformance = kIOPMMaxPerformance,
70 IOPMContextRetained = kIOPMContextRetained,
71 IOPMConfigRetained = kIOPMConfigRetained,
72 IOPMNotPowerManaged = kIOPMNotPowerManaged,
73 IOPMPagingAvailable = kIOPMPagingAvailable,
74 IOPMSoftSleep = kIOPMSoftSleep
75};
76
77
78enum {
79 kIOPMNextHigherState = 1,
80 kIOPMHighestState = 2,
81 kIOPMNextLowerState = 3,
82 kIOPMLowestState = 4
83};
84
85enum {
86 IOPMNextHigherState = kIOPMNextHigherState,
87 IOPMHighestState = kIOPMHighestState,
88 IOPMNextLowerState = kIOPMNextLowerState,
89 IOPMLowestState = kIOPMLowestState
90};
1c79356b 91
1c79356b
A
92
93
94enum { // commands on power managment command queue
0b4e3aa0
A
95 kIOPMBroadcastAggressiveness = 1,
96 kIOPMUnidleDevice
97};
98
99enum { // special value means "power consumption unknown"
100 kIOPMUnknown = 0xFFFF
1c79356b
A
101};
102
103// Power events
104enum {
105 kClamshellClosedEventMask = (1<<0), // User closed lid
106 kDockingBarEventMask = (1<<1), // OBSOLETE
107 kACPlugEventMask = (1<<2), // User plugged or unplugged adapter
108 kFrontPanelButtonEventMask = (1<<3), // User hit the front panel button
109 kBatteryStatusEventMask = (1<<4) // Battery status has changed
110};
111
112// Power commands issued to root domain
113enum {
114 kIOPMSleepNow = (1<<0), // put machine to sleep now
115 kIOPMAllowSleep = (1<<1), // allow idle sleep
116 kIOPMPreventSleep = (1<<2), // do not allow idle sleep
117 kIOPMPowerButton = (1<<3), // power button was pressed
118 kIOPMClamshellClosed = (1<<4), // clamshell was closed
119 kIOPMPowerEmergency = (1<<5), // battery dangerously low
0b4e3aa0 120 kIOPMDisableClamshell = (1<<6), // do not sleep on clamshell closure
d52fe63f
A
121 kIOPMEnableClamshell = (1<<7), // sleep on clamshell closure
122 kIOPMProcessorSpeedChange = (1<<8), // change the processor speed
123 kIOPMOverTemp = (1<<9) // system dangerously hot
1c79356b
A
124};
125 // Return codes
126
127// PUBLIC power management features
128// NOTE: this is a direct port from classic, some of these bits
129// are obsolete but are included for completeness
130enum {
131 kPMHasWakeupTimerMask = (1<<0), // 1=wake timer is supported
132 kPMHasSharedModemPortMask = (1<<1), // Not used
133 kPMHasProcessorCyclingMask = (1<<2), // 1=processor cycling supported
134 kPMMustProcessorCycleMask = (1<<3), // Not used
135 kPMHasReducedSpeedMask = (1<<4), // 1=supports reduced processor speed
136 kPMDynamicSpeedChangeMask = (1<<5), // 1=supports changing processor speed on the fly
137 kPMHasSCSIDiskModeMask = (1<<6), // 1=supports using machine as SCSI drive
138 kPMCanGetBatteryTimeMask = (1<<7), // 1=battery time can be calculated
139 kPMCanWakeupOnRingMask = (1<<8), // 1=machine can wake on modem ring
140 kPMHasDimmingSupportMask = (1<<9), // 1=has monitor dimming support
141 kPMHasStartupTimerMask = (1<<10), // 1=can program startup timer
142 kPMHasChargeNotificationMask = (1<<11), // 1=client can determine charger status/get notifications
143 kPMHasDimSuspendSupportMask = (1<<12), // 1=can dim diplay to DPMS ('off') state
144 kPMHasWakeOnNetActivityMask = (1<<13), // 1=supports waking upon receipt of net packet
145 kPMHasWakeOnLidMask = (1<<14), // 1=can wake upon lid/case opening
146 kPMCanPowerOffPCIBusMask = (1<<15), // 1=can remove power from PCI bus on sleep
147 kPMHasDeepSleepMask = (1<<16), // 1=supports deep (hibernation) sleep
148 kPMHasSleepMask = (1<<17), // 1=machine support low power sleep (ala powerbooks)
149 kPMSupportsServerModeAPIMask = (1<<18), // 1=supports reboot on AC resume for unexpected power loss
150 kPMHasUPSIntegrationMask = (1<<19) // 1=supports incorporating UPS devices into power source calcs
151};
152
153// PRIVATE power management features
154// NOTE: this is a direct port from classic, some of these bits
155// are obsolete but are included for completeness.
156enum {
157 kPMHasExtdBattInfoMask = (1<<0), // Not used
158 kPMHasBatteryIDMask = (1<<1), // Not used
159 kPMCanSwitchPowerMask = (1<<2), // Not used
160 kPMHasCelsiusCyclingMask = (1<<3), // Not used
161 kPMHasBatteryPredictionMask = (1<<4), // Not used
162 kPMHasPowerLevelsMask = (1<<5), // Not used
163 kPMHasSleepCPUSpeedMask = (1<<6), // Not used
164 kPMHasBtnIntHandlersMask = (1<<7), // 1=supports individual button interrupt handlers
165 kPMHasSCSITermPowerMask = (1<<8), // 1=supports SCSI termination power switch
166 kPMHasADBButtonHandlersMask = (1<<9), // 1=supports button handlers via ADB
167 kPMHasICTControlMask = (1<<10), // 1=supports ICT control
168 kPMHasLegacyDesktopSleepMask = (1<<11), // 1=supports 'doze' style sleep
169 kPMHasDeepIdleMask = (1<<12), // 1=supports Idle2 in hardware
170 kPMOpenLidPreventsSleepMask = (1<<13), // 1=open case prevent machine from sleeping
171 kPMClosedLidCausesSleepMask = (1<<14), // 1=case closed (clamshell closed) causes sleep
172 kPMHasFanControlMask = (1<<15), // 1=machine has software-programmable fan/thermostat controls
173 kPMHasThermalControlMask = (1<<16), // 1=machine supports thermal monitoring
174 kPMHasVStepSpeedChangeMask = (1<<17), // 1=machine supports processor voltage/clock change
175 kPMEnvironEventsPolledMask = (1<<18) // 1=machine doesn't generate pmu env ints, we must poll instead
176};
177
178// DEFAULT public and private features for machines whose device tree
179// does NOT contain this information (pre-Core99).
180
181// For Cuda-based Desktops
182
183#define kStdDesktopPMFeatures kPMHasWakeupTimerMask |\
184 kPMHasProcessorCyclingMask |\
185 kPMHasDimmingSupportMask |\
186 kPMHasStartupTimerMask |\
187 kPMSupportsServerModeAPIMask |\
188 kPMHasUPSIntegrationMask
189
190#define kStdDesktopPrivPMFeatures kPMHasExtdBattInfoMask |\
191 kPMHasICTControlMask |\
192 kPMHasLegacyDesktopSleepMask
193
194#define kStdDesktopNumBatteries 0
195
196// For Wallstreet (PowerBook G3 Series 1998)
197
198#define kWallstreetPMFeatures kPMHasWakeupTimerMask |\
199 kPMHasProcessorCyclingMask |\
200 kPMHasReducedSpeedMask |\
201 kPMDynamicSpeedChangeMask |\
202 kPMHasSCSIDiskModeMask |\
203 kPMCanGetBatteryTimeMask |\
204 kPMHasDimmingSupportMask |\
205 kPMHasChargeNotificationMask |\
206 kPMHasDimSuspendSupportMask |\
207 kPMHasSleepMask
208
209#define kWallstreetPrivPMFeatures kPMHasExtdBattInfoMask |\
210 kPMHasBatteryIDMask |\
211 kPMCanSwitchPowerMask |\
212 kPMHasADBButtonHandlersMask |\
213 kPMHasSCSITermPowerMask |\
214 kPMHasICTControlMask |\
215 kPMClosedLidCausesSleepMask |\
216 kPMEnvironEventsPolledMask
217
218#define kStdPowerBookPMFeatures kWallstreetPMFeatures
219#define kStdPowerBookPrivPMFeatures kWallstreetPrivPMFeatures
220
221#define kStdPowerBookNumBatteries 2
222
223// For 101 (PowerBook G3 Series 1999)
224
225#define k101PMFeatures kPMHasWakeupTimerMask |\
226 kPMHasProcessorCyclingMask |\
227 kPMHasReducedSpeedMask |\
228 kPMDynamicSpeedChangeMask |\
229 kPMHasSCSIDiskModeMask |\
230 kPMCanGetBatteryTimeMask |\
231 kPMHasDimmingSupportMask |\
232 kPMHasChargeNotificationMask |\
233 kPMHasDimSuspendSupportMask |\
234 kPMHasSleepMask |\
235 kPMHasUPSIntegrationMask
236
237#define k101PrivPMFeatures kPMHasExtdBattInfoMask |\
238 kPMHasBatteryIDMask |\
239 kPMCanSwitchPowerMask |\
240 kPMHasADBButtonHandlersMask |\
241 kPMHasSCSITermPowerMask |\
242 kPMHasICTControlMask |\
243 kPMClosedLidCausesSleepMask |\
244 kPMEnvironEventsPolledMask
245
246#define IOPMNoErr 0 // normal return
247
248 // returned by powerStateWillChange and powerStateDidChange:
249#define IOPMAckImplied 0 // acknowledgement of power state change is implied
250#define IOPMWillAckLater 1 // acknowledgement of power state change will come later
251
252 // returned by requestDomainState
253#define IOPMBadSpecification 4 // unrecognized specification parameter
254#define IOPMNoSuchState 5 // no power state matches search specification
255
256#define IOPMCannotRaisePower 6 // a device cannot change its power for some reason
257
258 // returned by changeStateTo
259#define IOPMParameterError 7 // requested state doesn't exist
260#define IOPMNotYetInitialized 8 // device not yet fully hooked into power management "graph"
261
262
263 // used by Root Domain UserClient
264
265enum {
266 kPMGeneralAggressiveness = 0,
267 kPMMinutesToDim,
268 kPMMinutesToSpinDown,
0b4e3aa0
A
269 kPMMinutesToSleep,
270 kPMEthernetWakeOnLANSettings,
9bccf70c 271 kPMSetProcessorSpeed,
91447636
A
272 kPMPowerSource,
273 kPMMotionSensor,
274 kPMLastAggressivenessType
1c79356b 275};
91447636 276#define kMaxType (kPMLastAggressivenessType-1)
1c79356b 277
9bccf70c
A
278// SetAggressiveness values for the kPMPowerSource aggressiveness type
279enum {
280 kIOPMInternalPower = 1,
281 kIOPMExternalPower
282};
283
d52fe63f
A
284#define kAppleClamshellStateKey "AppleClamshellState"
285#define kIOREMSleepEnabledKey "REMSleepEnabled"
1c79356b 286
55e303ae 287// Strings for deciphering the dictionary returned from IOPMCopyBatteryInfo
1c79356b
A
288#define kIOBatteryInfoKey "IOBatteryInfo"
289#define kIOBatteryCurrentChargeKey "Current"
290#define kIOBatteryCapacityKey "Capacity"
291#define kIOBatteryFlagsKey "Flags"
292#define kIOBatteryVoltageKey "Voltage"
293#define kIOBatteryAmperageKey "Amperage"
d52fe63f 294
1c79356b
A
295enum {
296 kIOBatteryInstalled = (1 << 2),
297 kIOBatteryCharge = (1 << 1),
298 kIOBatteryChargerConnect = (1 << 0)
299};
300
e5568f75 301
55e303ae
A
302// Private power management message indicating battery data has changed
303// Indicates new data resides in the IORegistry
304#define kIOPMMessageBatteryStatusHasChanged iokit_family_msg(sub_iokit_pmu, 0x100)
305
306// Apple private Legacy messages for re-routing AutoWake and AutoPower messages to the PMU
307// through newer user space IOPMSchedulePowerEvent API
308#define kIOPMUMessageLegacyAutoWake iokit_family_msg(sub_iokit_pmu, 0x200)
309#define kIOPMUMessageLegacyAutoPower iokit_family_msg(sub_iokit_pmu, 0x210)
310
d52fe63f
A
311// These flags are deprecated. Use the version with the kIOPM prefix below.
312enum {
313 kACInstalled = kIOBatteryChargerConnect,
314 kBatteryCharging = kIOBatteryCharge,
315 kBatteryInstalled = kIOBatteryInstalled,
316 kUPSInstalled = (1<<3),
317 kBatteryAtWarn = (1<<4),
318 kBatteryDepleted = (1<<5),
319 kACnoChargeCapability = (1<<6), // AC adapter cannot charge battery
320 kRawLowBattery = (1<<7), // used only by Platform Expert
321 kForceLowSpeed = (1<<8) // set by Platfm Expert, chk'd by Pwr Plugin};
322};
323
324// For use with IOPMPowerSource bFlags
325#define IOPM_POWER_SOURCE_REV 2
326enum {
327 kIOPMACInstalled = kIOBatteryChargerConnect,
328 kIOPMBatteryCharging = kIOBatteryCharge,
329 kIOPMBatteryInstalled = kIOBatteryInstalled,
330 kIOPMUPSInstalled = (1<<3),
331 kIOPMBatteryAtWarn = (1<<4),
332 kIOPMBatteryDepleted = (1<<5),
333 kIOPMACnoChargeCapability = (1<<6), // AC adapter cannot charge battery
334 kIOPMRawLowBattery = (1<<7), // used only by Platform Expert
335 kIOPMForceLowSpeed = (1<<8), // set by Platfm Expert, chk'd by Pwr Plugin
336 kIOPMClosedClamshell = (1<<9), // set by PMU - reflects state of the clamshell
337 kIOPMClamshellStateOnWake = (1<<10) // used only by Platform Expert
338};
339
340
55e303ae
A
341// **********************************************
342// Internal power management data structures
343// **********************************************
1c79356b
A
344
345#if KERNEL && __cplusplus
346class IOService;
347
348enum {
349 kIOPowerEmergencyLevel = 1000
350};
351
352enum {
353 kIOPMSubclassPolicy,
354 kIOPMSuperclassPolicy1
355};
356
357struct stateChangeNote{
358 IOPMPowerFlags stateFlags;
359 unsigned long stateNum;
360 void * powerRef;
361};
362typedef struct stateChangeNote stateChangeNote;
363
0b4e3aa0 364struct IOPowerStateChangeNotification {
1c79356b
A
365 void * powerRef;
366 unsigned long returnValue;
0b4e3aa0
A
367 unsigned long stateNumber;
368 IOPMPowerFlags stateFlags;
1c79356b 369};
0b4e3aa0
A
370typedef struct IOPowerStateChangeNotification IOPowerStateChangeNotification;
371typedef IOPowerStateChangeNotification sleepWakeNote;
1c79356b
A
372
373extern void IOPMRegisterDevice(const char *, IOService *);
374#endif /* KERNEL && __cplusplus */
375
376#endif /* ! _IOKIT_IOPM_H */
377