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--- xnu/xnu-1228/iokit/Kernel/IOPMrootDomain.cpp
+++ xnu/xnu-792.21.3/iokit/Kernel/IOPMrootDomain.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
@@ -35,54 +35,24 @@
#include <IOKit/pwr_mgt/IOPMPrivate.h>
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOMessage.h>
-#include <IOKit/IOReturn.h>
#include "RootDomainUserClient.h"
#include "IOKit/pwr_mgt/IOPowerConnection.h"
#include "IOPMPowerStateQueue.h"
#include <IOKit/IOCatalogue.h>
-#if HIBERNATION
#include <IOKit/IOHibernatePrivate.h>
+
+#ifdef __ppc__
+#include <ppc/pms.h>
#endif
-#include <sys/syslog.h>
-#include <sys/sysctl.h>
-#include <sys/time.h>
-#include "IOServicePrivate.h" // _IOServiceInterestNotifier
-
-
-#if __i386__
-__BEGIN_DECLS
-#include "IOPMrootDomainInternal.h"
-__END_DECLS
-#endif
-
-
-//#define DEBUG 1
-#if DEBUG
-#define DEBUG_LOG(x...) do { kprintf(x); } while (0)
-#else
-#define DEBUG_LOG(x...)
-#endif
-#define HaltRestartLog(x...) do { kprintf(x); } while (0)
-
-extern "C" {
-IOReturn OSMetaClassSystemSleepOrWake( UInt32 );
-}
+
+extern "C" void kprintf(const char *, ...);
extern const IORegistryPlane * gIOPowerPlane;
IOReturn broadcast_aggressiveness ( OSObject *, void *, void *, void *, void * );
static void sleepTimerExpired(thread_call_param_t);
static void wakeupClamshellTimerExpired ( thread_call_param_t us);
-static void notifySystemShutdown( IOService * root, unsigned long event );
-
-// "IOPMSetSleepSupported" callPlatformFunction name
-static const OSSymbol *sleepSupportedPEFunction = NULL;
-
-#define kIOSleepSupportedKey "IOSleepSupported"
-
-#define kRD_AllPowerSources (kIOPMSupportedOnAC \
- | kIOPMSupportedOnBatt \
- | kIOPMSupportedOnUPS)
+
#define number_of_power_states 5
#define OFF_STATE 0
@@ -96,94 +66,23 @@
#define SLEEP_POWER kIOPMAuxPowerOn
#define DOZE_POWER kIOPMDoze
-enum
-{
- // not idle around autowake time, secs
- kAutoWakePreWindow = 45,
- kAutoWakePostWindow = 15
+static IOPMPowerState ourPowerStates[number_of_power_states] = {
+ {1,0, 0, 0,0,0,0,0,0,0,0,0}, // state 0, off
+ {1,kIOPMRestartCapability, kIOPMRestart, RESTART_POWER,0,0,0,0,0,0,0,0}, // state 1, restart
+ {1,kIOPMSleepCapability, kIOPMSleep, SLEEP_POWER,0,0,0,0,0,0,0,0}, // state 2, sleep
+ {1,kIOPMDoze, kIOPMDoze, DOZE_POWER,0,0,0,0,0,0,0,0}, // state 3, doze
+ {1,kIOPMPowerOn, kIOPMPowerOn, ON_POWER,0,0,0,0,0,0,0,0}, // state 4, on
};
-
-#define kLocalEvalClamshellCommand (1 << 15)
-
-static IOPMPowerState ourPowerStates[number_of_power_states] = {
- // state 0, off
- {1,0, 0, 0,0,0,0,0,0,0,0,0},
- // state 1, restart
- {1,kIOPMRestartCapability, kIOPMRestart, RESTART_POWER,0,0,0,0,0,0,0,0},
- // state 2, sleep
- {1,kIOPMSleepCapability, kIOPMSleep, SLEEP_POWER,0,0,0,0,0,0,0,0},
- // state 3, doze
- {1,kIOPMDoze, kIOPMDoze, DOZE_POWER,0,0,0,0,0,0,0,0},
- // state 4, on
- {1,kIOPMPowerOn, kIOPMPowerOn, ON_POWER,0,0,0,0,0,0,0,0},
-};
+// RESERVED IOPMrootDomain class variables
+#define diskSyncCalloutEntry _reserved->diskSyncCalloutEntry
+#define _settingController _reserved->_settingController
+#define _batteryLocationNotifier _reserved->_batteryLocationNotifier
+#define _displayWranglerNotifier _reserved->_displayWranglerNotifier
+
static IOPMrootDomain * gRootDomain;
static UInt32 gSleepOrShutdownPending = 0;
-
-struct timeval gIOLastSleepTime;
-struct timeval gIOLastWakeTime;
-
-// Constants used as arguments to IOPMrootDomain::informCPUStateChange
-#define kCPUUnknownIndex 9999999
-enum {
- kInformAC = 0,
- kInformLid = 1,
- kInformableCount = 2
-};
-
-class PMSettingObject : public OSObject
-{
- OSDeclareDefaultStructors(PMSettingObject)
-private:
- IOPMrootDomain *parent;
- IOPMSettingControllerCallback func;
- OSObject *target;
- uintptr_t refcon;
- uint32_t *publishedFeatureID;
- int releaseAtCount;
-public:
- static PMSettingObject *pmSettingObject(
- IOPMrootDomain *parent_arg,
- IOPMSettingControllerCallback handler_arg,
- OSObject *target_arg,
- uintptr_t refcon_arg,
- uint32_t supportedPowerSources,
- const OSSymbol *settings[]);
-
- void setPMSetting(const OSSymbol *type, OSObject *obj);
-
- void taggedRelease(const void *tag, const int when) const;
- void free(void);
-};
-
-/*
- * Internal helper object for Shutdown/Restart notifications.
- */
-#define kPMHaltMaxWorkers 8
-#define kPMHaltTimeoutMS 100
-
-class PMHaltWorker : public OSObject
-{
- OSDeclareDefaultStructors( PMHaltWorker )
-
-public:
- IOService * service; // service being worked on
- AbsoluteTime startTime; // time when work started
- int depth; // work on nubs at this PM-tree depth
- int visits; // number of nodes visited (debug)
- IOLock * lock;
- bool timeout; // service took too long
-
- static PMHaltWorker * worker( void );
- static void main( void * arg );
- static void work( PMHaltWorker * me );
- static void checkTimeout( PMHaltWorker * me, AbsoluteTime * now );
- virtual void free( void );
-};
-
-OSDefineMetaClassAndStructors( PMHaltWorker, OSObject )
#define super IOService
@@ -292,34 +191,12 @@
static void disk_sync_callout(thread_call_param_t p0, thread_call_param_t p1)
{
- IOService *rootDomain = (IOService *) p0;
- unsigned long pmRef = (unsigned long) p1;
-
- DEBUG_LOG("disk_sync_callout: start\n");
-
-#if HIBERNATION
+ IOService *rootDomain = (IOService *) p0;
+ unsigned long pmRef = (unsigned long) p1;
+
IOHibernateSystemSleep();
-#endif
sync_internal();
rootDomain->allowPowerChange(pmRef);
- DEBUG_LOG("disk_sync_callout: finish\n");
-}
-
-// **********************************************************************************
-
-static UInt32 computeDeltaTimeMS( const AbsoluteTime * startTime )
-{
- AbsoluteTime endTime;
- UInt64 nano = 0;
-
- clock_get_uptime(&endTime);
- if (CMP_ABSOLUTETIME(&endTime, startTime) > 0)
- {
- SUB_ABSOLUTETIME(&endTime, startTime);
- absolutetime_to_nanoseconds(endTime, &nano);
- }
-
- return (UInt32)(nano / 1000000ULL);
}
// **********************************************************************************
@@ -329,43 +206,10 @@
// expert informs us we are the root.
// **********************************************************************************
-#define kRootDomainSettingsCount 14
-
-static SYSCTL_STRUCT(_kern, OID_AUTO, sleeptime,
- CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN,
- &gIOLastSleepTime, timeval, "");
-
-static SYSCTL_STRUCT(_kern, OID_AUTO, waketime,
- CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN,
- &gIOLastWakeTime, timeval, "");
-
-static const OSSymbol * gIOPMSettingAutoWakeSecondsKey;
bool IOPMrootDomain::start ( IOService * nub )
{
- OSIterator *psIterator;
- OSDictionary *tmpDict;
-
- gIOPMSettingAutoWakeSecondsKey = OSSymbol::withCString(kIOPMSettingAutoWakeSecondsKey);
-
- const OSSymbol *settingsArr[kRootDomainSettingsCount] =
- {
- OSSymbol::withCString(kIOPMSettingSleepOnPowerButtonKey),
- gIOPMSettingAutoWakeSecondsKey,
- OSSymbol::withCString(kIOPMSettingAutoPowerSecondsKey),
- OSSymbol::withCString(kIOPMSettingAutoWakeCalendarKey),
- OSSymbol::withCString(kIOPMSettingAutoPowerCalendarKey),
- OSSymbol::withCString(kIOPMSettingDebugWakeRelativeKey),
- OSSymbol::withCString(kIOPMSettingDebugPowerRelativeKey),
- OSSymbol::withCString(kIOPMSettingWakeOnRingKey),
- OSSymbol::withCString(kIOPMSettingRestartOnPowerLossKey),
- OSSymbol::withCString(kIOPMSettingWakeOnClamshellKey),
- OSSymbol::withCString(kIOPMSettingWakeOnACChangeKey),
- OSSymbol::withCString(kIOPMSettingTimeZoneOffsetKey),
- OSSymbol::withCString(kIOPMSettingDisplaySleepUsesDimKey),
- OSSymbol::withCString(kIOPMSettingMobileMotionModuleKey)
- };
-
+ OSDictionary *tmpDict;
pmPowerStateQueue = 0;
@@ -377,64 +221,41 @@
gRootDomain = this;
PMinit();
-
- sleepSupportedPEFunction = OSSymbol::withCString("IOPMSetSleepSupported");
- canSleep = true;
- setProperty(kIOSleepSupportedKey,true);
-
- userDisabledAllSleep = false;
+ setProperty("IOSleepSupported","");
+
allowSleep = true;
sleepIsSupported = true;
systemBooting = true;
+ ignoringClamshell = true;
sleepSlider = 0;
idleSleepPending = false;
+ canSleep = true;
wrangler = NULL;
sleepASAP = false;
- clamshellIsClosed = false;
- clamshellExists = false;
- ignoringClamshell = true;
+ _settingController = NULL;
ignoringClamshellDuringWakeup = false;
- acAdaptorConnect = true;
-
- idxPMCPUClamshell = kCPUUnknownIndex;
- idxPMCPULimitedPower = kCPUUnknownIndex;
-
+
tmpDict = OSDictionary::withCapacity(1);
setProperty(kRootDomainSupportedFeatures, tmpDict);
tmpDict->release();
- settingsCallbacks = OSDictionary::withCapacity(1);
-
- // Create a list of the valid PM settings that we'll relay to
- // interested clients in setProperties() => setPMSetting()
- allowedPMSettings = OSArray::withObjects(
- (const OSObject **)settingsArr,
- kRootDomainSettingsCount,
- 0);
-
- fPMSettingsDict = OSDictionary::withCapacity(5);
-
+ pm_vars->PMworkloop = IOWorkLoop::workLoop();
pmPowerStateQueue = IOPMPowerStateQueue::PMPowerStateQueue(this);
- getPMworkloop()->addEventSource(pmPowerStateQueue);
+ pm_vars->PMworkloop->addEventSource(pmPowerStateQueue);
featuresDictLock = IOLockAlloc();
- settingsCtrlLock = IORecursiveLockAlloc();
-
- extraSleepTimer = thread_call_allocate(
- (thread_call_func_t)sleepTimerExpired,
- (thread_call_param_t) this);
- clamshellWakeupIgnore = thread_call_allocate(
- (thread_call_func_t)wakeupClamshellTimerExpired,
- (thread_call_param_t) this);
- diskSyncCalloutEntry = thread_call_allocate(
- &disk_sync_callout,
- (thread_call_param_t) this);
+
+ extraSleepTimer = thread_call_allocate((thread_call_func_t)sleepTimerExpired, (thread_call_param_t) this);
+ clamshellWakeupIgnore = thread_call_allocate((thread_call_func_t)wakeupClamshellTimerExpired, (thread_call_param_t) this);
+ diskSyncCalloutEntry = thread_call_allocate(&disk_sync_callout, (thread_call_param_t) this);
// create our parent
patriarch = new IORootParent;
patriarch->init();
patriarch->attach(this);
patriarch->start(this);
+ patriarch->youAreRoot();
+ patriarch->wakeSystem();
patriarch->addPowerChild(this);
registerPowerDriver(this,ourPowerStates,number_of_power_states);
@@ -446,48 +267,47 @@
// install power change handler
registerPrioritySleepWakeInterest( &sysPowerDownHandler, this, 0);
-#if !NO_KERNEL_HID
// Register for a notification when IODisplayWrangler is published
- _displayWranglerNotifier = addNotification(
- gIOPublishNotification, serviceMatching("IODisplayWrangler"),
- &displayWranglerPublished, this, 0);
-#endif
-
- // Battery location published - ApplePMU support only
- _batteryPublishNotifier = addNotification(
- gIOPublishNotification, serviceMatching("IOPMPowerSource"),
- &batteryPublished, this, this);
-
+ _displayWranglerNotifier = addNotification( gIOPublishNotification,
+ serviceMatching("IODisplayWrangler"),
+ &displayWranglerPublished, this, 0);
+
+ _batteryLocationNotifier = addNotification( gIOPublishNotification,
+ resourceMatching("battery"),
+ &batteryLocationPublished, this, this);
const OSSymbol *ucClassName = OSSymbol::withCStringNoCopy("RootDomainUserClient");
setProperty(gIOUserClientClassKey, (OSObject *) ucClassName);
ucClassName->release();
- // IOBacklightDisplay can take a long time to load at boot, or it may
- // not load at all if you're booting with clamshell closed. We publish
- // 'DisplayDims' here redundantly to get it published early and at all.
- psIterator = getMatchingServices( serviceMatching("IOPMPowerSource") );
- if( psIterator && psIterator->getNextObject() )
- {
- // There's at least one battery on the system, so we publish
- // 'DisplayDims' support for the LCD.
+ IORegistryEntry *temp_entry = NULL;
+ if( (temp_entry = IORegistryEntry::fromPath("mac-io/battery", gIODTPlane)) ||
+ (temp_entry = IORegistryEntry::fromPath("mac-io/via-pmu/battery", gIODTPlane)))
+ {
+ // If this machine has a battery, publish the fact that the backlight
+ // supports dimming.
+ // Notice similar call in IOPMrootDomain::batteryLocationPublished() to
+ // detect batteries on SMU machines.
publishFeature("DisplayDims");
- }
- if(psIterator) {
- psIterator->release();
- }
-
-
- sysctl_register_oid(&sysctl__kern_sleeptime);
- sysctl_register_oid(&sysctl__kern_waketime);
-
-#if HIBERNATION
+ temp_entry->release();
+ }
+
IOHibernateSystemInit(this);
-#endif
registerService(); // let clients find us
return true;
+}
+
+IOReturn IOPMrootDomain::setPMSetting(int type, OSNumber *n)
+{
+ if(_settingController && _settingController->func) {
+ int seconds;
+ seconds = n->unsigned32BitValue();
+ return (*(_settingController->func))(type, seconds, _settingController->refcon);
+ } else {
+ return kIOReturnNoDevice;
+ }
}
// **********************************************************************************
@@ -498,48 +318,30 @@
// **********************************************************************************
IOReturn IOPMrootDomain::setProperties ( OSObject *props_obj)
{
- IOReturn return_value = kIOReturnSuccess;
- OSDictionary *dict = OSDynamicCast(OSDictionary, props_obj);
- OSBoolean *b;
- OSNumber *n;
- OSString *str;
- OSSymbol *type;
- OSObject *obj;
- unsigned int i;
-
- const OSSymbol *boot_complete_string =
- OSSymbol::withCString("System Boot Complete");
- const OSSymbol *sys_shutdown_string =
- OSSymbol::withCString("System Shutdown");
- const OSSymbol *stall_halt_string =
- OSSymbol::withCString("StallSystemAtHalt");
- const OSSymbol *battery_warning_disabled_string =
- OSSymbol::withCString("BatteryWarningsDisabled");
- const OSSymbol *idle_seconds_string =
- OSSymbol::withCString("System Idle Seconds");
-#if HIBERNATION
- const OSSymbol *hibernatemode_string =
- OSSymbol::withCString(kIOHibernateModeKey);
- const OSSymbol *hibernatefile_string =
- OSSymbol::withCString(kIOHibernateFileKey);
- const OSSymbol *hibernatefreeratio_string =
- OSSymbol::withCString(kIOHibernateFreeRatioKey);
- const OSSymbol *hibernatefreetime_string =
- OSSymbol::withCString(kIOHibernateFreeTimeKey);
-#endif
- const OSSymbol *sleepdisabled_string =
- OSSymbol::withCString("SleepDisabled");
+ IOReturn return_value = kIOReturnSuccess;
+ OSDictionary *dict = OSDynamicCast(OSDictionary, props_obj);
+ OSBoolean *b;
+ OSNumber *n;
+ OSString *str;
+ const OSSymbol *boot_complete_string = OSSymbol::withCString("System Boot Complete");
+ const OSSymbol *power_button_string = OSSymbol::withCString("DisablePowerButtonSleep");
+ const OSSymbol *stall_halt_string = OSSymbol::withCString("StallSystemAtHalt");
+ const OSSymbol *auto_wake_string = OSSymbol::withCString("wake");
+ const OSSymbol *auto_power_string = OSSymbol::withCString("poweron");
+ const OSSymbol *wakeonring_string = OSSymbol::withCString("WakeOnRing");
+ const OSSymbol *fileserver_string = OSSymbol::withCString("AutoRestartOnPowerLoss");
+ const OSSymbol *wakeonlid_string = OSSymbol::withCString("WakeOnLid");
+ const OSSymbol *wakeonac_string = OSSymbol::withCString("WakeOnACChange");
+ const OSSymbol *hibernatemode_string = OSSymbol::withCString(kIOHibernateModeKey);
+ const OSSymbol *hibernatefile_string = OSSymbol::withCString(kIOHibernateFileKey);
+ const OSSymbol *hibernatefreeratio_string = OSSymbol::withCString(kIOHibernateFreeRatioKey);
+ const OSSymbol *hibernatefreetime_string = OSSymbol::withCString(kIOHibernateFreeTimeKey);
+ const OSSymbol *timezone_string = OSSymbol::withCString("TimeZoneOffsetSeconds");
if(!dict)
{
return_value = kIOReturnBadArgument;
goto exit;
- }
-
- if ((n = OSDynamicCast(OSNumber, dict->getObject(idle_seconds_string))))
- {
- setProperty(idle_seconds_string, n);
- idleSeconds = n->unsigned32BitValue();
}
if( systemBooting
@@ -548,124 +350,109 @@
{
systemBooting = false;
adjustPowerState();
-
- // If lid is closed, re-send lid closed notification
- // now that booting is complete.
- if( clamshellIsClosed )
- {
- this->receivePowerNotification(kLocalEvalClamshellCommand);
- }
- }
-
- if( battery_warning_disabled_string
- && dict->getObject(battery_warning_disabled_string))
- {
- setProperty( battery_warning_disabled_string,
- dict->getObject(battery_warning_disabled_string));
- }
-
- if( sys_shutdown_string
- && (b = OSDynamicCast(OSBoolean, dict->getObject(sys_shutdown_string))))
- {
-
- if(kOSBooleanTrue == b)
- {
- /* We set systemShutdown = true during shutdown
- to prevent sleep at unexpected times while loginwindow is trying
- to shutdown apps and while the OS is trying to transition to
- complete power of.
-
- Set to true during shutdown, as soon as loginwindow shows
- the "shutdown countdown dialog", through individual app
- termination, and through black screen kernel shutdown.
- */
- kprintf("systemShutdown true\n");
- systemShutdown = true;
- } else {
- /*
- A shutdown was initiated, but then the shutdown
- was cancelled, clearing systemShutdown to false here.
- */
- kprintf("systemShutdown false\n");
- systemShutdown = false;
- }
- }
-
+ }
+
+ if( power_button_string
+ && (b = OSDynamicCast(OSBoolean, dict->getObject(power_button_string))) )
+ {
+ setProperty(power_button_string, b);
+ }
+
if( stall_halt_string
&& (b = OSDynamicCast(OSBoolean, dict->getObject(stall_halt_string))) )
{
setProperty(stall_halt_string, b);
}
-#if HIBERNATION
if ( hibernatemode_string
- && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatemode_string))))
- {
- setProperty(hibernatemode_string, n);
+ && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatemode_string))))
+ {
+ setProperty(hibernatemode_string, n);
}
if ( hibernatefreeratio_string
- && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreeratio_string))))
- {
- setProperty(hibernatefreeratio_string, n);
+ && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreeratio_string))))
+ {
+ setProperty(hibernatefreeratio_string, n);
}
if ( hibernatefreetime_string
- && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreetime_string))))
- {
- setProperty(hibernatefreetime_string, n);
+ && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreetime_string))))
+ {
+ setProperty(hibernatefreetime_string, n);
}
if ( hibernatefile_string
- && (str = OSDynamicCast(OSString, dict->getObject(hibernatefile_string))))
- {
- setProperty(hibernatefile_string, str);
- }
-#endif
-
- if( sleepdisabled_string
- && (b = OSDynamicCast(OSBoolean, dict->getObject(sleepdisabled_string))) )
- {
- setProperty(sleepdisabled_string, b);
-
- userDisabledAllSleep = (kOSBooleanTrue == b);
- }
-
- // Relay our allowed PM settings onto our registered PM clients
- for(i = 0; i < allowedPMSettings->getCount(); i++) {
-
- type = (OSSymbol *)allowedPMSettings->getObject(i);
- if(!type) continue;
-
- obj = dict->getObject(type);
- if(!obj) continue;
-
- if ((gIOPMSettingAutoWakeSecondsKey == type) && ((n = OSDynamicCast(OSNumber, obj))))
- {
- UInt32 rsecs = n->unsigned32BitValue();
- if (!rsecs)
- autoWakeStart = autoWakeEnd = 0;
- else
- {
- AbsoluteTime deadline;
- clock_interval_to_deadline(rsecs + kAutoWakePostWindow, kSecondScale, &deadline);
- autoWakeEnd = AbsoluteTime_to_scalar(&deadline);
- if (rsecs > kAutoWakePreWindow)
- rsecs -= kAutoWakePreWindow;
- else
- rsecs = 0;
- clock_interval_to_deadline(rsecs, kSecondScale, &deadline);
- autoWakeStart = AbsoluteTime_to_scalar(&deadline);
- }
- }
-
- return_value = setPMSetting(type, obj);
-
+ && (str = OSDynamicCast(OSString, dict->getObject(hibernatefile_string))))
+ {
+ setProperty(hibernatefile_string, str);
+ }
+
+ // Relay AutoWake setting to its controller
+ if( auto_wake_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(auto_wake_string))) )
+ {
+ return_value = setPMSetting(kIOPMAutoWakeSetting, n);
if(kIOReturnSuccess != return_value) goto exit;
}
-exit:
- if(sleepdisabled_string) sleepdisabled_string->release();
+ // Relay AutoPower setting to its controller
+ if( auto_power_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(auto_power_string))) )
+ {
+ return_value = setPMSetting(kIOPMAutoPowerOnSetting, n);
+ if(kIOReturnSuccess != return_value) goto exit;
+ }
+
+ // Relay WakeOnRing setting to its controller
+ if( wakeonring_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(wakeonring_string))) )
+ {
+ return_value = setPMSetting(kIOPMWakeOnRingSetting, n);
+ if(kIOReturnSuccess != return_value) goto exit;
+ }
+
+ // Relay FileServer setting to its controller
+ if( fileserver_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(fileserver_string))) )
+ {
+ return_value = setPMSetting(kIOPMAutoRestartOnPowerLossSetting, n);
+ if(kIOReturnSuccess != return_value) goto exit;
+ }
+
+ // Relay WakeOnLid setting to its controller
+ if( wakeonlid_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(wakeonlid_string))) )
+ {
+ return_value = setPMSetting(kIOPMWakeOnLidSetting, n);
+ if(kIOReturnSuccess != return_value) goto exit;
+ }
+
+ // Relay WakeOnACChange setting to its controller
+ if( wakeonac_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(wakeonac_string))) )
+ {
+ return_value = setPMSetting(kIOPMWakeOnACChangeSetting, n);
+ if(kIOReturnSuccess != return_value) goto exit;
+ }
+
+ // Relay timezone offset in seconds to SMU
+ if( timezone_string
+ && (n = OSDynamicCast(OSNumber, dict->getObject(timezone_string))) )
+ {
+ return_value = setPMSetting(kIOPMTimeZoneSetting, n);
+ if(kIOReturnSuccess != return_value) goto exit;
+ }
+
+
+ exit:
if(boot_complete_string) boot_complete_string->release();
+ if(power_button_string) power_button_string->release();
if(stall_halt_string) stall_halt_string->release();
- if(idle_seconds_string) idle_seconds_string->release();
+ if(auto_wake_string) auto_wake_string->release();
+ if(auto_power_string) auto_power_string->release();
+ if(wakeonring_string) wakeonring_string->release();
+ if(fileserver_string) fileserver_string->release();
+ if(wakeonlid_string) wakeonlid_string->release();
+ if(wakeonac_string) wakeonac_string->release();
+ if(timezone_string) timezone_string->release();
return return_value;
}
@@ -719,50 +506,14 @@
if( type == kPMMinutesToSpinDown ) user_spindown = value;
// Use longestNonSleepSlider to calculate dimming adjust idle sleep timer
- if (getAggressiveness(kPMMinutesToDim, (unsigned long *)&longestNonSleepSlider)
- != kIOReturnSuccess)
- longestNonSleepSlider = 0;
+ longestNonSleepSlider = pm_vars->current_aggressiveness_values[kPMMinutesToDim];
+
if ( type == kPMMinutesToSleep ) {
- DEBUG_LOG("PM idle time -> %ld secs (ena %d)\n", idleSeconds, (value != 0));
- if (0x7fffffff == value)
- value = idleSeconds;
-
if ( (sleepSlider == 0) && (value != 0) ) {
- if (!wrangler)
- {
- sleepASAP = false;
- changePowerStateToPriv(ON_STATE);
- if (idleSeconds)
- {
- AbsoluteTime deadline;
- // stay awake for at least idleSeconds
- clock_interval_to_deadline(idleSeconds, kSecondScale, &deadline);
- thread_call_enter_delayed(extraSleepTimer, deadline);
- // this gets turned off when we sleep again
- idleSleepPending = true;
- }
- }
- else
- {
- // If sleepASAP is already set, then calling adjustPowerState() here
- // will put the system to sleep immediately which is bad. Note that
- // this aggressiveness change can occur without waking up the display
- // by (dis)connecting the AC adapter. To get around this, the power
- // clamp is restore to ON state then dropped after waiting for the
- // sleep timer to expire.
-
- if (sleepASAP)
- {
- AbsoluteTime deadline;
- // stay awake for at least sleepSlider minutes
- clock_interval_to_deadline(value * 60, kSecondScale, &deadline);
- thread_call_enter_delayed(extraSleepTimer, deadline);
- // this gets turned off when we sleep again
- idleSleepPending = true;
- sleepASAP = false;
- }
- }
+ sleepSlider = value;
+ // idle sleep is now enabled, maybe sleep now
+ adjustPowerState();
}
sleepSlider = value;
if ( sleepSlider == 0 ) {
@@ -805,17 +556,6 @@
// **********************************************************************************
void IOPMrootDomain::handleSleepTimerExpiration ( void )
{
- DEBUG_LOG("SleepTimerExpired\n");
-
- AbsoluteTime time;
-
- clock_get_uptime(&time);
- if ((AbsoluteTime_to_scalar(&time) > autoWakeStart) && (AbsoluteTime_to_scalar(&time) < autoWakeEnd))
- {
- thread_call_enter_delayed(extraSleepTimer, *((AbsoluteTime *) &autoWakeEnd));
- return;
- }
-
// accelerate disk spin down if spin down timer is non-zero (zero = never spin down)
if(0 != user_spindown)
setQuickSpinDownTimeout();
@@ -827,12 +567,13 @@
void IOPMrootDomain::stopIgnoringClamshellEventsDuringWakeup(void)
{
+ OSObject * state;
+
// Allow clamshell-induced sleep now
ignoringClamshellDuringWakeup = false;
- // Re-send clamshell event, in case it causes a sleep
- if(clamshellIsClosed)
- this->receivePowerNotification( kLocalEvalClamshellCommand );
+ if ((state = getProperty(kAppleClamshellStateKey)))
+ publishResource(kAppleClamshellStateKey, state);
}
//*********************************************************************************
@@ -844,12 +585,28 @@
// same thread.
//*********************************************************************************
+static int pmsallsetup = 0;
+
IOReturn IOPMrootDomain::setAggressiveness ( unsigned long type, unsigned long newLevel )
{
- IOWorkLoop * pmWorkLoop = getPMworkloop();
- if (pmWorkLoop)
- pmWorkLoop->runAction(broadcast_aggressiveness,this,(void *)type,(void *)newLevel);
-
+#ifdef __ppc__
+ if(pmsExperimental & 3) kprintf("setAggressiveness: type = %08X, newlevel = %08X\n", type, newLevel);
+ if(pmsExperimental & 1) { /* Is experimental mode enabled? */
+ if(pmsInstalled && (type == kPMSetProcessorSpeed)) { /* We want to look at all processor speed changes if stepper is installed */
+ if(pmsallsetup) return kIOReturnSuccess; /* If already running, just eat this */
+ kprintf("setAggressiveness: starting stepper...\n");
+ pmsallsetup = 1; /* Remember we did this */
+ pmsPark();
+ pmsStart(); /* Get it all started up... */
+ return kIOReturnSuccess; /* Leave now... */
+ }
+ }
+#endif
+
+ if ( pm_vars->PMcommandGate ) {
+ pm_vars->PMcommandGate->runAction(broadcast_aggressiveness,(void *)type,(void *)newLevel);
+ }
+
return kIOReturnSuccess;
}
@@ -858,69 +615,19 @@
// sleepSystem
//
// **********************************************************************************
-/* public */
IOReturn IOPMrootDomain::sleepSystem ( void )
{
- return sleepSystemOptions (NULL);
-}
-
-/* private */
-IOReturn IOPMrootDomain::sleepSystemOptions ( OSDictionary *options )
-{
- /* sleepSystem is a public function, and may be called by any kernel driver.
- * And that's bad - drivers should sleep the system by calling
- * receivePowerNotification() instead. Drivers should not use sleepSystem.
- *
- * Note that user space app calls to IOPMSleepSystem() will also travel
- * this code path and thus be correctly identified as software sleeps.
- */
-
- if (options && options->getObject("OSSwitch"))
- {
-
- // Log specific sleep cause for OS Switch hibernation
- return privateSleepSystem( kIOPMOSSwitchHibernationKey) ;
-
- } else {
-
- return privateSleepSystem( kIOPMSoftwareSleepKey);
-
- }
-}
-
-/* private */
-IOReturn IOPMrootDomain::privateSleepSystem ( const char *sleepReason )
-{
- // Record sleep cause in IORegistry
- if (sleepReason) {
- setProperty(kRootDomainSleepReasonKey, sleepReason);
- }
-
- if(systemShutdown) {
- kprintf("Preventing system sleep on grounds of systemShutdown.\n");
- }
-
- if( userDisabledAllSleep )
- {
- /* Prevent sleep of all kinds if directed to by user space */
- return kIOReturnNotPermitted;
- }
-
- if ( !systemBooting
- && !systemShutdown
- && allowSleep)
- {
- if ( !sleepIsSupported ) {
- setSleepSupported( kPCICantSleep );
- kprintf("Sleep prevented by kIOPMPreventSystemSleep flag\n");
- }
+ //kprintf("sleep demand received\n");
+ if ( !systemBooting && allowSleep && sleepIsSupported ) {
patriarch->sleepSystem();
+
return kIOReturnSuccess;
- } else {
- // Unable to sleep because system is in the process of booting or shutting down,
- // or sleep has otherwise been disallowed.
- return kIOReturnError;
- }
+ }
+ if ( !systemBooting && allowSleep && !sleepIsSupported ) {
+ patriarch->dozeSystem();
+ return kIOReturnSuccess;
+ }
+ return kIOReturnSuccess;
}
@@ -962,43 +669,26 @@
{
OSNumber * propertyPtr;
unsigned short theProperty;
- AbsoluteTime deadline;
-
- DEBUG_LOG("PowerChangeDone: %ld -> %ld\n", previousState, getPowerState());
-
- switch ( getPowerState() ) {
+ AbsoluteTime deadline;
+
+ switch ( pm_vars->myCurrentState ) {
case SLEEP_STATE:
- if ( previousState != ON_STATE )
- break;
-
if ( canSleep && sleepIsSupported )
{
// re-enable this timer for next sleep
idleSleepPending = false;
- uint32_t secs, microsecs;
- clock_get_calendar_microtime(&secs, µsecs);
- logtime(secs);
- gIOLastSleepTime.tv_sec = secs;
- gIOLastSleepTime.tv_usec = microsecs;
-
-#if HIBERNATION
IOLog("System %sSleep\n", gIOHibernateState ? "Safe" : "");
IOHibernateSystemHasSlept();
-#else
- IOLog("System Sleep\n");
-#endif
-
- getPlatform()->sleepKernel();
+
+ pm_vars->thePlatform->sleepKernel();
// The CPU(s) are off at this point. When they're awakened by CPU interrupt,
// code will resume execution here.
// Now we're waking...
-#if HIBERNATION
- IOHibernateSystemWake();
-#endif
+ IOHibernateSystemWake();
// stay awake for at least 30 seconds
clock_interval_to_deadline(30, kSecondScale, &deadline);
@@ -1013,8 +703,8 @@
// sleep transition complete
gSleepOrShutdownPending = 0;
- // trip the reset of the calendar clock
- clock_wakeup_calendar();
+ // trip the reset of the calendar clock
+ clock_wakeup_calendar();
// get us some power
patriarch->wakeSystem();
@@ -1023,9 +713,7 @@
tellClients(kIOMessageSystemWillPowerOn);
// tell the tree we're waking
-#if HIBERNATION
IOLog("System %sWake\n", gIOHibernateState ? "SafeSleep " : "");
-#endif
systemWake();
// Allow drivers to request extra processing time before clamshell
@@ -1034,14 +722,12 @@
if(getProperty(kIOREMSleepEnabledKey)) {
// clamshellWakeupIgnore callout clears ignoreClamshellDuringWakeup bit
clock_interval_to_deadline(5, kSecondScale, &deadline);
- if(clamshellWakeupIgnore) {
- thread_call_enter_delayed(clamshellWakeupIgnore, deadline);
- }
+ if(clamshellWakeupIgnore) thread_call_enter_delayed(clamshellWakeupIgnore, deadline);
} else ignoringClamshellDuringWakeup = false;
// Find out what woke us
propertyPtr = OSDynamicCast(OSNumber,getProperty("WakeEvent"));
- if ( propertyPtr ) {
+ if ( propertyPtr ) {
theProperty = propertyPtr->unsigned16BitValue();
IOLog("Wake event %04x\n",theProperty);
if ( (theProperty & 0x0008) || //lid
@@ -1057,13 +743,12 @@
}
// Wake for thirty seconds
- changePowerStateToPriv(ON_STATE);
+ changePowerStateToPriv(ON_STATE);
+ powerOverrideOffPriv();
} else {
// allow us to step up a power state
patriarch->sleepToDoze();
-
- // ignore children's request for higher power during doze.
- powerOverrideOnPriv();
+ // and do it
changePowerStateToPriv(DOZE_STATE);
}
break;
@@ -1100,14 +785,10 @@
// **********************************************************************************
void IOPMrootDomain::wakeFromDoze( void )
{
- if ( getPowerState() == DOZE_STATE )
- {
- // Reset sleep support till next sleep attempt.
- // A machine's support of sleep vs. doze can change over the course of
- // a running system, so we recalculate it before every sleep.
- setSleepSupported(0);
-
- changePowerStateToPriv(ON_STATE);
+ if ( pm_vars->myCurrentState == DOZE_STATE )
+ {
+ // reset this till next attempt
+ canSleep = true;
powerOverrideOffPriv();
// early wake notification
@@ -1119,271 +800,43 @@
}
-// *****************************************************************************
+// **********************************************************************************
// publishFeature
//
// Adds a new feature to the supported features dictionary
//
//
-// *****************************************************************************
+// **********************************************************************************
void IOPMrootDomain::publishFeature( const char * feature )
{
- publishFeature(feature, kIOPMSupportedOnAC
- | kIOPMSupportedOnBatt
- | kIOPMSupportedOnUPS,
- NULL);
- return;
-}
-
-
-// *****************************************************************************
-// publishFeature (with supported power source specified)
-//
-// Adds a new feature to the supported features dictionary
-//
-//
-// *****************************************************************************
-void IOPMrootDomain::publishFeature(
- const char *feature,
- uint32_t supportedWhere,
- uint32_t *uniqueFeatureID)
-{
- static uint16_t next_feature_id = 500;
-
- OSNumber *new_feature_data = NULL;
- OSNumber *existing_feature = NULL;
- OSArray *existing_feature_arr = NULL;
- OSObject *osObj = NULL;
- uint32_t feature_value = 0;
-
- supportedWhere &= kRD_AllPowerSources; // mask off any craziness!
-
-// kprintf("IOPMrootDomain::publishFeature [\"%s\":%0x01x]\n", feature, supportedWhere);
-
- if(!supportedWhere) {
- // Feature isn't supported anywhere!
- return;
- }
-
- if(next_feature_id > 5000) {
- // Far, far too many features!
- return;
- }
-
if(featuresDictLock) IOLockLock(featuresDictLock);
-
OSDictionary *features =
(OSDictionary *) getProperty(kRootDomainSupportedFeatures);
- // Create new features dict if necessary
- if ( features && OSDynamicCast(OSDictionary, features)) {
+ if ( features && OSDynamicCast(OSDictionary, features))
features = OSDictionary::withDictionary(features);
- } else {
+ else
features = OSDictionary::withCapacity(1);
- }
-
- // Create OSNumber to track new feature
-
- next_feature_id += 1;
- if( uniqueFeatureID ) {
- // We don't really mind if the calling kext didn't give us a place
- // to stash their unique id. Many kexts don't plan to unload, and thus
- // have no need to remove themselves later.
- *uniqueFeatureID = next_feature_id;
- }
-
- feature_value = supportedWhere + (next_feature_id << 16);
- new_feature_data = OSNumber::withNumber(
- (unsigned long long)feature_value, 32);
-
- // Does features object already exist?
- if( (osObj = features->getObject(feature)) )
- {
- if(( existing_feature = OSDynamicCast(OSNumber, osObj) ))
- {
- // We need to create an OSArray to hold the now 2 elements.
- existing_feature_arr = OSArray::withObjects(
- (const OSObject **)&existing_feature, 1, 2);
- existing_feature_arr->setObject(new_feature_data);
- features->setObject(feature, existing_feature_arr);
- } else if(( existing_feature_arr = OSDynamicCast(OSArray, osObj) ))
- {
- // Add object to existing array
- existing_feature_arr->setObject(new_feature_data);
- }
- } else {
- // The easy case: no previously existing features listed. We simply
- // set the OSNumber at key 'feature' and we're on our way.
- features->setObject(feature, new_feature_data);
- }
-
- new_feature_data->release();
-
+
+ features->setObject(feature, kOSBooleanTrue);
setProperty(kRootDomainSupportedFeatures, features);
-
features->release();
-
- if(featuresDictLock) IOLockUnlock(featuresDictLock);
-
- // Notify EnergySaver and all those in user space so they might
- // re-populate their feature specific UI
- if(pmPowerStateQueue) {
- pmPowerStateQueue->featureChangeOccurred(
- kIOPMMessageFeatureChange, this);
- }
-}
-
-// *****************************************************************************
-// removePublishedFeature
-//
-// Removes previously published feature
-//
-//
-// *****************************************************************************
-IOReturn IOPMrootDomain::removePublishedFeature( uint32_t removeFeatureID )
-{
- IOReturn ret = kIOReturnError;
- uint32_t feature_value = 0;
- uint16_t feature_id = 0;
- bool madeAChange = false;
-
- OSSymbol *dictKey = NULL;
- OSCollectionIterator *dictIterator = NULL;
- OSArray *arrayMember = NULL;
- OSNumber *numberMember = NULL;
- OSObject *osObj = NULL;
- OSNumber *osNum = NULL;
-
- if(featuresDictLock) IOLockLock(featuresDictLock);
-
- OSDictionary *features =
- (OSDictionary *) getProperty(kRootDomainSupportedFeatures);
-
- if ( features && OSDynamicCast(OSDictionary, features) )
- {
- // Any modifications to the dictionary are made to the copy to prevent
- // races & crashes with userland clients. Dictionary updated
- // automically later.
- features = OSDictionary::withDictionary(features);
- } else {
- features = NULL;
- ret = kIOReturnNotFound;
- goto exit;
- }
-
- // We iterate 'features' dictionary looking for an entry tagged
- // with 'removeFeatureID'. If found, we remove it from our tracking
- // structures and notify the OS via a general interest message.
-
- dictIterator = OSCollectionIterator::withCollection(features);
- if(!dictIterator) {
- goto exit;
- }
-
- while( (dictKey = OSDynamicCast(OSSymbol, dictIterator->getNextObject())) )
- {
- osObj = features->getObject(dictKey);
-
- // Each Feature is either tracked by an OSNumber
- if( osObj && (numberMember = OSDynamicCast(OSNumber, osObj)) )
- {
- feature_value = numberMember->unsigned32BitValue();
- feature_id = (uint16_t)(feature_value >> 16);
-
- if( feature_id == (uint16_t)removeFeatureID )
- {
- // Remove this node
- features->removeObject(dictKey);
- madeAChange = true;
- break;
- }
-
- // Or tracked by an OSArray of OSNumbers
- } else if( osObj && (arrayMember = OSDynamicCast(OSArray, osObj)) )
- {
- unsigned int arrayCount = arrayMember->getCount();
-
- for(unsigned int i=0; i<arrayCount; i++)
- {
- osNum = OSDynamicCast(OSNumber, arrayMember->getObject(i));
- if(!osNum) {
- continue;
- }
-
- feature_value = osNum->unsigned32BitValue();
- feature_id = (uint16_t)(feature_value >> 16);
-
- if( feature_id == (uint16_t)removeFeatureID )
- {
- // Remove this node
- if( 1 == arrayCount ) {
- // If the array only contains one element, remove
- // the whole thing.
- features->removeObject(dictKey);
- } else {
- // Otherwise just remove the element in question.
- arrayMember->removeObject(i);
- }
-
- madeAChange = true;
- break;
- }
- }
- }
- }
-
-
- dictIterator->release();
-
- if( madeAChange )
- {
- ret = kIOReturnSuccess;
-
- setProperty(kRootDomainSupportedFeatures, features);
-
- // Notify EnergySaver and all those in user space so they might
- // re-populate their feature specific UI
- if(pmPowerStateQueue) {
- pmPowerStateQueue->featureChangeOccurred(
- kIOPMMessageFeatureChange, this);
- }
- } else {
- ret = kIOReturnNotFound;
- }
-
-exit:
- if(features) features->release();
- if(featuresDictLock) IOLockUnlock(featuresDictLock);
- return ret;
-}
-
-
-// **********************************************************************************
-// unIdleDevice
-//
-// Enqueues unidle event to be performed later in a serialized context.
-//
-// **********************************************************************************
+ if(featuresDictLock) IOLockUnlock(featuresDictLock);
+}
+
+
void IOPMrootDomain::unIdleDevice( IOService *theDevice, unsigned long theState )
{
if(pmPowerStateQueue)
pmPowerStateQueue->unIdleOccurred(theDevice, theState);
}
-// **********************************************************************************
-// announcePowerSourceChange
-//
-// Notifies "interested parties" that the batteries have changed state
-//
-// **********************************************************************************
void IOPMrootDomain::announcePowerSourceChange( void )
{
- IORegistryEntry *_batteryRegEntry = (IORegistryEntry *) getProperty("BatteryEntry");
-
- // (if possible) re-publish power source state under IOPMrootDomain;
- // only do so if the battery controller publishes an IOResource
- // defining battery location. Called from ApplePMU battery driver.
-
+ IORegistryEntry *_batteryRegEntry = (IORegistryEntry *) getProperty("BatteryEntry");
+
+ // (if possible) re-publish power source state under IOPMrootDomain
+ // (only done if the battery controller publishes an IOResource defining battery location)
if(_batteryRegEntry)
{
OSArray *batt_info;
@@ -1392,491 +845,118 @@
setProperty(kIOBatteryInfoKey, batt_info);
}
-}
-
-
-// *****************************************************************************
-// setPMSetting (private)
-//
-// Internal helper to relay PM settings changes from user space to individual
-// drivers. Should be called only by IOPMrootDomain::setProperties.
-//
-// *****************************************************************************
-IOReturn IOPMrootDomain::setPMSetting(
- const OSSymbol *type,
- OSObject *obj)
-{
- OSArray *arr = NULL;
- PMSettingObject *p_obj = NULL;
- int count;
- int i;
-
- if(NULL == type) return kIOReturnBadArgument;
-
- IORecursiveLockLock(settingsCtrlLock);
-
- fPMSettingsDict->setObject(type, obj);
-
- arr = (OSArray *)settingsCallbacks->getObject(type);
- if(NULL == arr) goto exit;
- count = arr->getCount();
- for(i=0; i<count; i++) {
- p_obj = (PMSettingObject *)OSDynamicCast(PMSettingObject, arr->getObject(i));
- if(p_obj) p_obj->setPMSetting(type, obj);
- }
-
-exit:
- IORecursiveLockUnlock(settingsCtrlLock);
+ messageClients(kIOPMMessageBatteryStatusHasChanged);
+}
+
+IOReturn IOPMrootDomain::registerPMSettingController
+ (IOPMSettingControllerCallback func, void *info)
+{
+ if(_settingController) return kIOReturnExclusiveAccess;
+
+ _settingController = (PMSettingCtrl *)IOMalloc(sizeof(PMSettingCtrl));
+ if(!_settingController) return kIOReturnNoMemory;
+
+ _settingController->func = func;
+ _settingController->refcon = info;
return kIOReturnSuccess;
}
-// *****************************************************************************
-// copyPMSetting (public)
-//
-// Allows kexts to safely read setting values, without being subscribed to
-// notifications.
-//
-// *****************************************************************************
-OSObject * IOPMrootDomain::copyPMSetting(
- OSSymbol *whichSetting)
-{
- OSObject *obj = NULL;
-
- if(!whichSetting) return NULL;
-
- IORecursiveLockLock(settingsCtrlLock);
- obj = fPMSettingsDict->getObject(whichSetting);
- if(obj) {
- obj->retain();
- }
- IORecursiveLockUnlock(settingsCtrlLock);
-
- return obj;
-}
-
-// *****************************************************************************
-// registerPMSettingController (public)
-//
-// direct wrapper to registerPMSettingController with uint32_t power source arg
-// *****************************************************************************
-IOReturn IOPMrootDomain::registerPMSettingController(
- const OSSymbol * settings[],
- IOPMSettingControllerCallback func,
- OSObject *target,
- uintptr_t refcon,
- OSObject **handle)
-{
- return registerPMSettingController(
- settings,
- (kIOPMSupportedOnAC | kIOPMSupportedOnBatt | kIOPMSupportedOnUPS),
- func, target, refcon, handle);
-}
-
-// *****************************************************************************
-// registerPMSettingController (public)
-//
-// Kexts may register for notifications when a particular setting is changed.
-// A list of settings is available in IOPM.h.
-// Arguments:
-// * settings - An OSArray containing OSSymbols. Caller should populate this
-// array with a list of settings caller wants notifications from.
-// * func - A C function callback of the type IOPMSettingControllerCallback
-// * target - caller may provide an OSObject *, which PM will pass as an
-// target to calls to "func"
-// * refcon - caller may provide an void *, which PM will pass as an
-// argument to calls to "func"
-// * handle - This is a return argument. We will populate this pointer upon
-// call success. Hold onto this and pass this argument to
-// IOPMrootDomain::deRegisterPMSettingCallback when unloading your kext
-// Returns:
-// kIOReturnSuccess on success
-// *****************************************************************************
-IOReturn IOPMrootDomain::registerPMSettingController(
- const OSSymbol * settings[],
- uint32_t supportedPowerSources,
- IOPMSettingControllerCallback func,
- OSObject *target,
- uintptr_t refcon,
- OSObject **handle)
-{
- PMSettingObject *pmso = NULL;
- OSArray *list = NULL;
- IOReturn ret = kIOReturnSuccess;
- int i;
-
- if( NULL == settings ||
- NULL == func ||
- NULL == handle)
- {
- return kIOReturnBadArgument;
- }
-
- pmso = PMSettingObject::pmSettingObject(
- (IOPMrootDomain *)this, func, target,
- refcon, supportedPowerSources, settings);
-
- if(!pmso) {
- ret = kIOReturnInternalError;
- goto bail_no_unlock;
- }
-
- IORecursiveLockLock(settingsCtrlLock);
- for(i=0; settings[i]; i++)
- {
- list = (OSArray *)settingsCallbacks->getObject(settings[i]);
- if(!list) {
- // New array of callbacks for this setting
- list = OSArray::withCapacity(1);
- settingsCallbacks->setObject(settings[i], list);
- list->release();
- }
-
- // Add caller to the callback list
- list->setObject(pmso);
- }
-
- IORecursiveLockUnlock(settingsCtrlLock);
-
- ret = kIOReturnSuccess;
-
- // Track this instance by its OSData ptr from now on
- *handle = pmso;
-
-bail_no_unlock:
- if(kIOReturnSuccess != ret)
- {
- // Error return case
- if(pmso) pmso->release();
- if(handle) *handle = NULL;
- }
- return ret;
-}
-
-
-//******************************************************************************
-// sleepOnClamshellClosed
-//
-// contains the logic to determine if the system should sleep when the clamshell
-// is closed.
-//******************************************************************************
-
-bool IOPMrootDomain::shouldSleepOnClamshellClosed ( void )
-{
- return ( !ignoringClamshell
- && !ignoringClamshellDuringWakeup
- && !(desktopMode && acAdaptorConnect) );
-}
-
-void IOPMrootDomain::sendClientClamshellNotification ( void )
-{
- /* Only broadcast clamshell alert if clamshell exists. */
- if(!clamshellExists)
- return;
-
- setProperty(kAppleClamshellStateKey,
- clamshellIsClosed ? kOSBooleanTrue : kOSBooleanFalse);
-
- setProperty(kAppleClamshellCausesSleepKey,
- shouldSleepOnClamshellClosed() ? kOSBooleanTrue : kOSBooleanFalse);
-
-
- /* Argument to message is a bitfiel of
- * ( kClamshellStateBit | kClamshellSleepBit )
- */
- messageClients(kIOPMMessageClamshellStateChange,
- (void *) ( (clamshellIsClosed ? kClamshellStateBit : 0)
- | ( shouldSleepOnClamshellClosed() ? kClamshellSleepBit : 0)) );
-}
-
-//******************************************************************************
-// informCPUStateChange
-//
-// Call into PM CPU code so that CPU power savings may dynamically adjust for
-// running on battery, with the lid closed, etc.
-//
-// informCPUStateChange is a no-op on non x86 systems
-// only x86 has explicit support in the IntelCPUPowerManagement kext
-//******************************************************************************
-
-void IOPMrootDomain::informCPUStateChange(
- uint32_t type,
- uint32_t value )
-{
-#ifdef __i386__
-
- pmioctlVariableInfo_t varInfoStruct;
- int pmCPUret = 0;
- const char *varNameStr = NULL;
- int32_t *varIndex = NULL;
-
- if (kInformAC == type) {
- varNameStr = kIOPMRootDomainBatPowerCString;
- varIndex = &idxPMCPULimitedPower;
- } else if (kInformLid == type) {
- varNameStr = kIOPMRootDomainLidCloseCString;
- varIndex = &idxPMCPUClamshell;
- } else {
- return;
- }
-
- // Set the new value!
- // pmCPUControl will assign us a new ID if one doesn't exist yet
- bzero(&varInfoStruct, sizeof(pmioctlVariableInfo_t));
- varInfoStruct.varID = *varIndex;
- varInfoStruct.varType = vBool;
- varInfoStruct.varInitValue = value;
- varInfoStruct.varCurValue = value;
- strncpy( (char *)varInfoStruct.varName,
- (const char *)varNameStr,
- strlen(varNameStr) + 1 );
-
- // Set!
- pmCPUret = pmCPUControl( PMIOCSETVARINFO, (void *)&varInfoStruct );
-
- // pmCPU only assigns numerical id's when a new varName is specified
- if ((0 == pmCPUret)
- && (*varIndex == kCPUUnknownIndex))
- {
- // pmCPUControl has assigned us a new variable ID.
- // Let's re-read the structure we just SET to learn that ID.
- pmCPUret = pmCPUControl( PMIOCGETVARNAMEINFO, (void *)&varInfoStruct );
-
- if (0 == pmCPUret)
- {
- // Store it in idxPMCPUClamshell or idxPMCPULimitedPower
- *varIndex = varInfoStruct.varID;
- }
- }
-
- return;
-
-#endif __i386__
-}
-
-
-//******************************************************************************
+
+//*********************************************************************************
// receivePowerNotification
//
// The power controller is notifying us of a hardware-related power management
// event that we must handle. This is a result of an 'environment' interrupt from
// the power mgt micro.
-//******************************************************************************
+//*********************************************************************************
IOReturn IOPMrootDomain::receivePowerNotification (UInt32 msg)
{
- bool eval_clamshell = false;
-
- /*
- * Local (IOPMrootDomain only) eval clamshell command
- */
- if (msg & kLocalEvalClamshellCommand)
- {
- eval_clamshell = true;
- }
-
- /*
- * Overtemp
- */
if (msg & kIOPMOverTemp)
{
- IOLog("PowerManagement emergency overtemp signal. Going to sleep!");
-
- privateSleepSystem (kIOPMThermalEmergencySleepKey);
- }
-
- /*
- * PMU Processor Speed Change
- */
+ IOLog("Power Management received emergency overtemp signal. Going to sleep.");
+ (void) sleepSystem ();
+ }
+ if (msg & kIOPMSetDesktopMode)
+ {
+ desktopMode = (0 != (msg & kIOPMSetValue));
+ msg &= ~(kIOPMSetDesktopMode | kIOPMSetValue);
+ }
+ if (msg & kIOPMSetACAdaptorConnected)
+ {
+ acAdaptorConnect = (0 != (msg & kIOPMSetValue));
+ msg &= ~(kIOPMSetACAdaptorConnected | kIOPMSetValue);
+ }
+ if (msg & kIOPMEnableClamshell)
+ {
+ ignoringClamshell = false;
+ }
+ if (msg & kIOPMDisableClamshell)
+ {
+ ignoringClamshell = true;
+ }
+
if (msg & kIOPMProcessorSpeedChange)
{
IOService *pmu = waitForService(serviceMatching("ApplePMU"));
pmu->callPlatformFunction("prepareForSleep", false, 0, 0, 0, 0);
- getPlatform()->sleepKernel();
+ pm_vars->thePlatform->sleepKernel();
pmu->callPlatformFunction("recoverFromSleep", false, 0, 0, 0, 0);
}
- /*
- * Sleep Now!
- */
if (msg & kIOPMSleepNow)
{
- privateSleepSystem (kIOPMSoftwareSleepKey);
- }
-
- /*
- * Power Emergency
- */
+ (void) sleepSystem ();
+ }
+
if (msg & kIOPMPowerEmergency)
{
- privateSleepSystem (kIOPMLowPowerSleepKey);
- }
-
-
- /*
- * Clamshell OPEN
- */
- if (msg & kIOPMClamshellOpened)
- {
- // Received clamshel open message from clamshell controlling driver
- // Update our internal state and tell general interest clients
- clamshellIsClosed = false;
- clamshellExists = true;
-
- // Tell PMCPU
- informCPUStateChange(kInformLid, 0);
-
- // Tell general interest clients
- sendClientClamshellNotification();
- }
-
- /*
- * Clamshell CLOSED
- * Send the clamshell interest notification since the lid is closing.
- */
- if (msg & kIOPMClamshellClosed)
- {
- // Received clamshel open message from clamshell controlling driver
- // Update our internal state and tell general interest clients
- clamshellIsClosed = true;
- clamshellExists = true;
-
- // Tell PMCPU
- informCPUStateChange(kInformLid, 1);
-
- // Tell general interest clients
- sendClientClamshellNotification();
-
- // And set eval_clamshell = so we can attempt
- eval_clamshell = true;
- }
-
- /*
- * Set Desktop mode (sent from graphics)
- *
- * -> reevaluate lid state
- */
- if (msg & kIOPMSetDesktopMode)
- {
- desktopMode = (0 != (msg & kIOPMSetValue));
- msg &= ~(kIOPMSetDesktopMode | kIOPMSetValue);
-
- sendClientClamshellNotification();
-
- // Re-evaluate the lid state
- if( clamshellIsClosed )
+ (void) sleepSystem ();
+ }
+
+ if (msg & kIOPMClamshellClosed)
+ {
+ if ( !ignoringClamshell && !ignoringClamshellDuringWakeup
+ && (!desktopMode || !acAdaptorConnect) )
{
- eval_clamshell = true;
+
+ (void) sleepSystem ();
}
}
-
- /*
- * AC Adaptor connected
- *
- * -> reevaluate lid state
- */
- if (msg & kIOPMSetACAdaptorConnected)
- {
- acAdaptorConnect = (0 != (msg & kIOPMSetValue));
- msg &= ~(kIOPMSetACAdaptorConnected | kIOPMSetValue);
-
- // Tell PMCPU
- informCPUStateChange(kInformAC, !acAdaptorConnect);
-
- sendClientClamshellNotification();
-
- // Re-evaluate the lid state
- if( clamshellIsClosed )
- {
- eval_clamshell = true;
- }
-
- }
-
- /*
- * Enable Clamshell (external display disappear)
- *
- * -> reevaluate lid state
- */
- if (msg & kIOPMEnableClamshell)
- {
- // Re-evaluate the lid state
- // System should sleep on external display disappearance
- // in lid closed operation.
- if( clamshellIsClosed && (true == ignoringClamshell) )
- {
- eval_clamshell = true;
- }
-
- ignoringClamshell = false;
-
- sendClientClamshellNotification();
- }
-
- /*
- * Disable Clamshell (external display appeared)
- * We don't bother re-evaluating clamshell state. If the system is awake,
- * the lid is probably open.
- */
- if (msg & kIOPMDisableClamshell)
- {
- ignoringClamshell = true;
-
- sendClientClamshellNotification();
- }
-
- /*
- * Evaluate clamshell and SLEEP if appropiate
- */
- if ( eval_clamshell && shouldSleepOnClamshellClosed() )
- {
-
-
- // SLEEP!
- privateSleepSystem (kIOPMClamshellSleepKey);
- }
-
- /*
- * Power Button
- */
+
if (msg & kIOPMPowerButton)
- {
+ {
// toggle state of sleep/wake
// are we dozing?
- if ( getPowerState() == DOZE_STATE )
+ if ( pm_vars->myCurrentState == DOZE_STATE )
{
// yes, tell the tree we're waking
systemWake();
// wake the Display Wrangler
- reportUserInput();
+ reportUserInput();
}
else {
- OSString *pbs = OSString::withCString("DisablePowerButtonSleep");
// Check that power button sleep is enabled
- if( pbs ) {
- if( kOSBooleanTrue != getProperty(pbs))
- privateSleepSystem (kIOPMPowerButtonSleepKey);
- }
+ if(kOSBooleanTrue != getProperty(OSString::withCString("DisablePowerButtonSleep")))
+ sleepSystem();
}
}
- /*
- * Allow Sleep
- *
- */
+ // if the case has been closed, we allow
+ // the machine to be put to sleep or to idle sleep
+
if ( (msg & kIOPMAllowSleep) && !allowSleep )
{
allowSleep = true;
adjustPowerState();
}
- /*
- * Prevent Sleep
- *
- */
+ // if the case has been opened, we disallow sleep/doze
+
if (msg & kIOPMPreventSleep) {
allowSleep = false;
// are we dozing?
- if ( getPowerState() == DOZE_STATE ) {
+ if ( pm_vars->myCurrentState == DOZE_STATE ) {
// yes, tell the tree we're waking
systemWake();
adjustPowerState();
@@ -1904,19 +984,15 @@
{
canSleep = false;
} else {
- canSleep = true;
platformSleepSupport = flags;
}
- setProperty(kIOSleepSupportedKey, canSleep);
-
}
//*********************************************************************************
// requestPowerDomainState
//
// The root domain intercepts this call to the superclass.
-// Called on the PM work loop thread.
//
// If the clamp bit is not set in the desire, then the child doesn't need the power
// state it's requesting; it just wants it. The root ignores desires but not needs.
@@ -1925,122 +1001,63 @@
// no power, we are on our way to idle sleep.
//*********************************************************************************
-IOReturn IOPMrootDomain::requestPowerDomainState (
- IOPMPowerFlags desiredState,
- IOPowerConnection * whichChild,
- unsigned long specification )
-{
- OSIterator *iter;
- OSObject *next;
- IOPowerConnection *connection;
- unsigned long powerRequestFlag = 0;
- IOPMPowerFlags editedDesire;
-
-#if DEBUG
- IOService *powerChild;
- powerChild = (IOService *) whichChild->getChildEntry(gIOPowerPlane);
-#endif
-
- DEBUG_LOG("RequestPowerDomainState: flags %lx, child %p [%s], spec %lx\n",
- desiredState, powerChild, powerChild ? powerChild->getName() : "?",
- specification);
-
- // Force the child's input power requirements to 0 unless the prevent
- // idle-sleep flag is set. No input power flags map to our state 0.
- // Our power clamp (deviceDesire) keeps the minimum power state at 2.
-
- if (desiredState & kIOPMPreventIdleSleep)
- editedDesire = desiredState;
- else
+IOReturn IOPMrootDomain::requestPowerDomainState ( IOPMPowerFlags desiredState, IOPowerConnection * whichChild, unsigned long specification )
+{
+ OSIterator *iter;
+ OSObject *next;
+ IOPowerConnection *connection;
+ unsigned long powerRequestFlag = 0;
+ IOPMPowerFlags editedDesire = desiredState;
+
+ // if they don't really need it, they don't get it
+ if ( !(desiredState & kIOPMPreventIdleSleep) ) {
editedDesire = 0;
-
- // Recompute sleep supported flag (doze if not supported)
+ }
+
+
+ IOLockLock(pm_vars->childLock);
+
+ // recompute sleepIsSupported and see if all children are asleep
+ iter = getChildIterator(gIOPowerPlane);
sleepIsSupported = true;
-
- iter = getChildIterator(gIOPowerPlane);
if ( iter )
{
while ( (next = iter->getNextObject()) )
{
- if ( (connection = OSDynamicCast(IOPowerConnection, next)) )
+ if ( (connection = OSDynamicCast(IOPowerConnection,next)) )
{
- // Ignore child that are in the process of joining.
- if (connection->getReadyFlag() == false)
- continue;
-
- // Is this connection attached to the child that called
- // requestPowerDomainState()?
-
if ( connection == whichChild )
{
- // Yes, OR in the child's input power requirements.
- powerRequestFlag |= editedDesire;
-
- if ( desiredState & kIOPMPreventSystemSleep )
+ powerRequestFlag += editedDesire;
+ if ( desiredState & kIOPMPreventSystemSleep )
+ {
sleepIsSupported = false;
- }
- else
- {
-#if DEBUG
- powerChild = (IOService *) connection->getChildEntry(gIOPowerPlane);
-#endif
- DEBUG_LOG(" child %p, PState %ld, noIdle %d, noSleep %d, valid %d %s\n",
- powerChild,
- connection->getDesiredDomainState(),
- connection->getPreventIdleSleepFlag(),
- connection->getPreventSystemSleepFlag(),
- connection->getReadyFlag(),
- powerChild ? powerChild->getName() : "?");
-
- // No, OR in the child's desired power domain state.
- // Which is our power state desired by this child.
- powerRequestFlag |= connection->getDesiredDomainState();
-
- if ( connection->getPreventSystemSleepFlag() )
+ }
+ } else {
+ powerRequestFlag += connection->getDesiredDomainState();
+ if ( connection->getPreventSystemSleepFlag() )
+ {
sleepIsSupported = false;
+ }
}
}
}
iter->release();
}
- if ( !powerRequestFlag && !systemBooting )
- {
- if (!wrangler)
- {
- sleepASAP = false;
- changePowerStateToPriv(ON_STATE);
- if (idleSeconds)
- {
- AbsoluteTime deadline;
- // stay awake for at least idleSeconds
- clock_interval_to_deadline(idleSeconds, kSecondScale, &deadline);
- thread_call_enter_delayed(extraSleepTimer, deadline);
- // this gets turned off when we sleep again
- idleSleepPending = true;
- }
- }
- else if (extraSleepDelay == 0)
- {
- sleepASAP = true;
- }
- }
-
- DEBUG_LOG(" sleepDelay %lx, mergedFlags %lx, sleepASAP %x, booting %x\n",
- extraSleepDelay, powerRequestFlag, sleepASAP, systemBooting);
-
- // Drop our power clamp to SLEEP_STATE when all devices become idle.
- // Needed when the system sleep and display sleep timeouts are the same.
- // Otherwise, the extra sleep timer will also drop our power clamp.
-
+ if ( (extraSleepDelay == 0) && (powerRequestFlag == 0) )
+ {
+ sleepASAP = true;
+ }
+
+ // this may put the system to sleep
adjustPowerState();
-
- editedDesire |= (desiredState & kIOPMPreventSystemSleep);
-
- // If our power clamp has already dropped to SLEEP_STATE, and no child
- // is keeping us at max power, then this will trigger idle sleep.
-
- return super::requestPowerDomainState(editedDesire, whichChild, specification);
+
+ IOLockUnlock(pm_vars->childLock);
+
+ editedDesire |= desiredState & kIOPMPreventSystemSleep;
+
+ return super::requestPowerDomainState(editedDesire,whichChild,specification);
}
@@ -2052,99 +1069,6 @@
IOOptionBits IOPMrootDomain::getSleepSupported( void )
{
return( platformSleepSupport );
-}
-
-
-//*********************************************************************************
-// handlePlatformHaltRestart
-//
-//*********************************************************************************
-
-struct HaltRestartApplierContext {
- IOPMrootDomain * RootDomain;
- unsigned long PowerState;
- IOPMPowerFlags PowerFlags;
- UInt32 MessageType;
- UInt32 Counter;
-};
-
-static void
-platformHaltRestartApplier( OSObject * object, void * context )
-{
- IOPowerStateChangeNotification notify;
- HaltRestartApplierContext * ctx;
- AbsoluteTime startTime;
- UInt32 deltaTime;
-
- ctx = (HaltRestartApplierContext *) context;
-
- memset(¬ify, 0, sizeof(notify));
- notify.powerRef = (void *)ctx->Counter;
- notify.returnValue = 0;
- notify.stateNumber = ctx->PowerState;
- notify.stateFlags = ctx->PowerFlags;
-
- clock_get_uptime(&startTime);
- ctx->RootDomain->messageClient( ctx->MessageType, object, (void *)¬ify );
- deltaTime = computeDeltaTimeMS(&startTime);
-
- if ((deltaTime > kPMHaltTimeoutMS) || (gIOKitDebug & kIOLogDebugPower))
- {
- _IOServiceInterestNotifier * notifier;
- notifier = OSDynamicCast(_IOServiceInterestNotifier, object);
-
- // IOService children of IOPMrootDomain are not instrumented.
- // Only IORootParent currently falls under that group.
-
- if (notifier)
- {
- HaltRestartLog("%s handler %p took %lu ms\n",
- (ctx->MessageType == kIOMessageSystemWillPowerOff) ?
- "PowerOff" : "Restart",
- notifier->handler, deltaTime );
- }
- }
-
- ctx->Counter++;
-}
-
-void IOPMrootDomain::handlePlatformHaltRestart( UInt32 pe_type )
-{
- HaltRestartApplierContext ctx;
- AbsoluteTime startTime;
- UInt32 deltaTime;
-
- memset(&ctx, 0, sizeof(ctx));
- ctx.RootDomain = this;
-
- clock_get_uptime(&startTime);
- switch (pe_type)
- {
- case kPEHaltCPU:
- ctx.PowerState = OFF_STATE;
- ctx.MessageType = kIOMessageSystemWillPowerOff;
- break;
-
- case kPERestartCPU:
- ctx.PowerState = RESTART_STATE;
- ctx.MessageType = kIOMessageSystemWillRestart;
- break;
-
- default:
- return;
- }
-
- // Notify legacy clients
- applyToInterested(gIOPriorityPowerStateInterest, platformHaltRestartApplier, &ctx);
-
- // Notify in power tree order
- notifySystemShutdown(this, ctx.MessageType);
-
- deltaTime = computeDeltaTimeMS(&startTime);
- HaltRestartLog("%s all drivers took %lu ms\n",
- (ctx.MessageType == kIOMessageSystemWillPowerOff) ?
- "PowerOff" : "Restart",
- deltaTime );
}
@@ -2160,13 +1084,13 @@
switch ( stateNum ) {
case DOZE_STATE:
case SLEEP_STATE:
-
- // Direct callout into OSMetaClass so it can disable kmod unloads
- // during sleep/wake to prevent deadlocks.
- OSMetaClassSystemSleepOrWake( kIOMessageSystemWillSleep );
-
return super::tellClientsWithResponse(kIOMessageSystemWillSleep);
- }
+ case RESTART_STATE:
+ return super::tellClientsWithResponse(kIOMessageSystemWillRestart);
+ case OFF_STATE:
+ return super::tellClientsWithResponse(kIOMessageSystemWillPowerOff);
+ }
+ // this shouldn't execute
return super::tellChangeDown(stateNum);
}
@@ -2200,16 +1124,6 @@
void IOPMrootDomain::tellNoChangeDown ( unsigned long )
{
- if (idleSeconds && !wrangler)
- {
- AbsoluteTime deadline;
- sleepASAP = false;
- // stay awake for at least idleSeconds
- clock_interval_to_deadline(idleSeconds, kSecondScale, &deadline);
- thread_call_enter_delayed(extraSleepTimer, deadline);
- // this gets turned off when we sleep again
- idleSleepPending = true;
- }
return tellClients(kIOMessageSystemWillNotSleep);
}
@@ -2227,13 +1141,7 @@
{
if ( stateNum == ON_STATE )
{
-#if HIBERNATION
- // Direct callout into OSMetaClass so it can disable kmod unloads
- // during sleep/wake to prevent deadlocks.
- OSMetaClassSystemSleepOrWake( kIOMessageSystemHasPoweredOn );
-
IOHibernateSystemPostWake();
-#endif
return tellClients(kIOMessageSystemHasPoweredOn);
}
}
@@ -2245,7 +1153,6 @@
void IOPMrootDomain::reportUserInput ( void )
{
-#if !NO_KERNEL_HID
OSIterator * iter;
if(!wrangler)
@@ -2260,7 +1167,6 @@
if(wrangler)
wrangler->activityTickle(0,0);
-#endif
}
//*********************************************************************************
@@ -2296,36 +1202,6 @@
IOReturn IOPMrootDomain::changePowerStateToPriv ( unsigned long ordinal )
{
- IOReturn ret;
-
- DEBUG_LOG("ChangePowerStateToPriv: power state %ld\n", ordinal);
-
- if ( (getPowerState() == DOZE_STATE) && (ordinal != ON_STATE) )
- {
- return kIOReturnSuccess;
- }
-
- if( (userDisabledAllSleep || systemBooting || systemShutdown)
- && (ordinal == SLEEP_STATE) )
- {
- DEBUG_LOG(" sleep denied: disableAllSleep %d, booting %d, shutdown %d\n",
- userDisabledAllSleep, systemBooting, systemShutdown);
- super::changePowerStateToPriv(ON_STATE);
- }
-
- if( (SLEEP_STATE == ordinal) && sleepSupportedPEFunction )
- {
-
- // Determine if the machine supports sleep, or must doze.
- ret = getPlatform()->callPlatformFunction(
- sleepSupportedPEFunction, false,
- NULL, NULL, NULL, NULL);
-
- // If the machine only supports doze, the callPlatformFunction call
- // boils down to IOPMrootDomain::setSleepSupported(kPCICantSleep),
- // otherwise nothing.
- }
-
return super::changePowerStateToPriv(ordinal);
}
@@ -2353,7 +1229,8 @@
switch (messageType) {
case kIOMessageSystemWillSleep:
- DEBUG_LOG("SystemWillSleep\n");
+ rootDomain->powerOverrideOnPriv(); // start ignoring children's requests
+ // (fall through to other cases)
// Interested applications have been notified of an impending power
// change and have acked (when applicable).
@@ -2364,10 +1241,8 @@
// We will ack within 20 seconds
params->returnValue = 20 * 1000 * 1000;
-#if HIBERNATION
if (gIOHibernateState)
params->returnValue += gIOHibernateFreeTime * 1000; //add in time we could spend freeing pages
-#endif
if ( ! OSCompareAndSwap( 0, 1, &gSleepOrShutdownPending ) )
{
@@ -2404,110 +1279,77 @@
//
// Allows us to take action on display dim/undim.
//
-// When the display sleeps we:
+// When the display goes dim we:
// - Start the idle sleep timer
// - set the quick spin down timeout
//
-// On wake from display sleep:
+// On wake from display dim:
// - Cancel the idle sleep timer
// - restore the user's chosen spindown timer from the "quick" spin down value
//*********************************************************************************
-IOReturn IOPMrootDomain::displayWranglerNotification(
- void * target, void * refCon,
- UInt32 messageType, IOService * service,
- void * messageArgument, vm_size_t argSize )
-{
-#if !NO_KERNEL_HID
- IOPMrootDomain * rootDomain = OSDynamicCast(IOPMrootDomain, (IOService *)target);
- AbsoluteTime deadline;
- static int displayPowerState = 4;
-
- if (!rootDomain)
+IOReturn IOPMrootDomain::displayWranglerNotification( void * target, void * refCon,
+ UInt32 messageType, IOService * service,
+ void * messageArgument, vm_size_t argSize )
+{
+ IOPMrootDomain * rootDomain = OSDynamicCast(IOPMrootDomain, (IOService *)target);
+ AbsoluteTime deadline;
+ static bool deviceAlreadyPoweredOff = false;
+
+ if(!rootDomain)
return kIOReturnUnsupported;
switch (messageType) {
case kIOMessageDeviceWillPowerOff:
- DEBUG_LOG("DisplayWranglerWillPowerOff: new p-state %d\n",
- displayPowerState - 1);
-
- // The display wrangler has dropped power because of idle display sleep
- // or force system sleep. We will receive 4 messages before the display
- // wrangler reaches its lowest state. Act only when going to state 2.
- //
- // 4->3 Display Dim
- // 3->2 Display Sleep
- // 2->1 Not visible to user
- // 1->0 Not visible to user
-
- displayPowerState--;
- if ( 2 != displayPowerState )
- return kIOReturnUnsupported;
-
- // We start a timer here if the System Sleep timer is greater than the
- // Display Sleep timer. We kick off this timer when the display sleeps.
- //
- // Note that, although Display Dim timings may change adaptively accordingly
- // to the user's activity patterns, Display Sleep _always_ occurs at the
- // specified interval since last user activity.
-
- if ( rootDomain->extraSleepDelay )
- {
- clock_interval_to_deadline(rootDomain->extraSleepDelay*60, kSecondScale, &deadline);
+ // The IODisplayWrangler has powered off either because of idle display sleep
+ // or force system sleep.
+
+ // The display wrangler will send the DeviceWillPowerOff message 4 times until
+ // it gets into its lowest state. We only want to act on the first of those 4.
+ if( deviceAlreadyPoweredOff ) return kIOReturnUnsupported;
+
+ deviceAlreadyPoweredOff = true;
+
+ if( rootDomain->extraSleepDelay )
+ {
+ // start the extra sleep timer
+ clock_interval_to_deadline(rootDomain->extraSleepDelay*60, kSecondScale, &deadline );
thread_call_enter_delayed(rootDomain->extraSleepTimer, deadline);
rootDomain->idleSleepPending = true;
- DEBUG_LOG(" sleep timer set to expire in %ld min\n",
- rootDomain->extraSleepDelay);
} else {
- // Accelerate disk spindown if system sleep and display sleep
- // sliders are set to the same value (e.g. both set to 5 min),
- // and display is about to go dark. Check that spin down timer
- // is non-zero (zero = never spin down) and system sleep is
- // not set to never sleep.
-
- if ( (0 != rootDomain->user_spindown) && (0 != rootDomain->sleepSlider) )
- {
- DEBUG_LOG(" accelerate quick disk spindown, was %d min\n",
- rootDomain->user_spindown);
+ // accelerate disk spin down if spin down timer is non-zero (zero = never spin down)
+ // and if system sleep is non-Never
+ if( (0 != rootDomain->user_spindown) && (0 != rootDomain->sleepSlider) )
rootDomain->setQuickSpinDownTimeout();
- }
}
- break;
+ break;
case kIOMessageDeviceHasPoweredOn:
- DEBUG_LOG("DisplayWranglerHasPoweredOn: previous p-state %d\n",
- displayPowerState);
-
- // The display wrangler has powered on either because of user activity
- // or wake from sleep/doze.
-
- displayPowerState = 4;
+
+ // The display has powered on either because of UI activity or wake from sleep/doze
+ deviceAlreadyPoweredOff = false;
rootDomain->adjustPowerState();
-
- // cancel any pending idle sleep timers
- if (rootDomain->idleSleepPending)
+
+
+ // cancel any pending idle sleep
+ if(rootDomain->idleSleepPending)
{
- DEBUG_LOG(" extra-sleep timer stopped\n");
thread_call_cancel(rootDomain->extraSleepTimer);
rootDomain->idleSleepPending = false;
}
- // Change the spindown value back to the user's selection from our
- // accelerated setting.
- if (0 != rootDomain->user_spindown)
- {
- DEBUG_LOG(" restoring disk spindown to %d min\n",
- rootDomain->user_spindown);
+ // Change the spindown value back to the user's selection from our accelerated setting
+ if(0 != rootDomain->user_spindown)
rootDomain->restoreUserSpinDownTimeout();
- }
+
+ // Put on the policy maker's on clamp.
break;
default:
break;
}
-#endif
return kIOReturnUnsupported;
}
@@ -2519,14 +1361,10 @@
//
//*********************************************************************************
-bool IOPMrootDomain::displayWranglerPublished(
- void * target,
- void * refCon,
- IOService * newService)
-{
-#if !NO_KERNEL_HID
- IOPMrootDomain *rootDomain =
- OSDynamicCast(IOPMrootDomain, (IOService *)target);
+bool IOPMrootDomain::displayWranglerPublished( void * target, void * refCon,
+ IOService * newService)
+{
+ IOPMrootDomain * rootDomain = OSDynamicCast(IOPMrootDomain, (IOService *)target);
if(!rootDomain)
return false;
@@ -2534,36 +1372,44 @@
rootDomain->wrangler = newService;
// we found the display wrangler, now install a handler
- if( !rootDomain->wrangler->registerInterest( gIOGeneralInterest,
- &displayWranglerNotification, target, 0) )
- {
+ if( !rootDomain->wrangler->registerInterest( gIOGeneralInterest, &displayWranglerNotification, target, 0) ) {
+ IOLog("IOPMrootDomain::displayWranglerPublished registerInterest failed\n");
return false;
}
-#endif
+
return true;
}
//*********************************************************************************
-// batteryPublished
-//
-// Notification on battery class IOPowerSource appearance
-//
-//******************************************************************************
-
-bool IOPMrootDomain::batteryPublished(
- void * target,
- void * root_domain,
- IOService * resourceService )
-{
- // rdar://2936060&4435589
+// batteryLocationPublished
+//
+// Notification on AppleSMU publishing location of battery data
+//
+//*********************************************************************************
+
+bool IOPMrootDomain::batteryLocationPublished( void * target, void * root_domain,
+ IOService * resourceService )
+{
+ IORegistryEntry *battery_location;
+
+ battery_location = (IORegistryEntry *) resourceService->getProperty("battery");
+ if (!battery_location || !OSDynamicCast(IORegistryEntry, battery_location))
+ return (true);
+
+ ((IOPMrootDomain *)root_domain)->setProperty("BatteryEntry", battery_location);
+
+ // rdar://2936060
// All laptops have dimmable LCD displays
// All laptops have batteries
// So if this machine has a battery, publish the fact that the backlight
// supports dimming.
((IOPMrootDomain *)root_domain)->publishFeature("DisplayDims");
-
+
+ ((IOPMrootDomain *)root_domain)->announcePowerSourceChange();
return (true);
}
+
+
//*********************************************************************************
// adjustPowerState
@@ -2589,591 +1435,23 @@
void IOPMrootDomain::adjustPowerState( void )
{
- if ( (sleepSlider == 0)
- || !allowSleep
- || systemBooting
- || systemShutdown
- || userDisabledAllSleep )
- {
- DEBUG_LOG("AdjustPowerState %ld -> ON: slider %ld, allowSleep %d, "
- "booting %d, shutdown %d, userDisabled %d\n",
- getPowerState(), sleepSlider, allowSleep, systemBooting,
- systemShutdown, userDisabledAllSleep);
-
+ if ( (sleepSlider == 0) ||
+ ! allowSleep ||
+ systemBooting ) {
changePowerStateToPriv(ON_STATE);
} else {
if ( sleepASAP )
{
- DEBUG_LOG("AdjustPowerState SLEEP\n");
-
- /* Convenient place to run any code at idle sleep time
- * IOPMrootDomain initiates an idle sleep here
- *
- * Set last sleep cause accordingly.
- */
- setProperty(kRootDomainSleepReasonKey, kIOPMIdleSleepKey);
-
sleepASAP = false;
- if ( !sleepIsSupported )
+ if ( sleepIsSupported )
{
- setSleepSupported( kPCICantSleep );
- kprintf("Sleep prevented by kIOPMPreventSystemSleep flag\n");
- }
- changePowerStateToPriv(SLEEP_STATE);
- }
- }
-}
-
-//*********************************************************************************
-// PMHaltWorker Class
-//
-//*********************************************************************************
-
-static unsigned int gPMHaltBusyCount;
-static unsigned int gPMHaltIdleCount;
-static int gPMHaltDepth;
-static unsigned long gPMHaltEvent;
-static IOLock * gPMHaltLock = 0;
-static OSArray * gPMHaltArray = 0;
-static const OSSymbol * gPMHaltClientAcknowledgeKey = 0;
-
-PMHaltWorker * PMHaltWorker::worker( void )
-{
- PMHaltWorker * me;
- IOThread thread;
-
- do {
- me = OSTypeAlloc( PMHaltWorker );
- if (!me || !me->init())
- break;
-
- me->lock = IOLockAlloc();
- if (!me->lock)
- break;
-
- DEBUG_LOG("PMHaltWorker %p\n", me);
- me->retain(); // thread holds extra retain
- thread = IOCreateThread( &PMHaltWorker::main, me );
- if (!thread)
- {
- me->release();
- break;
- }
- return me;
-
- } while (false);
-
- if (me) me->release();
- return 0;
-}
-
-void PMHaltWorker::free( void )
-{
- DEBUG_LOG("PMHaltWorker free %p\n", this);
- if (lock)
- {
- IOLockFree(lock);
- lock = 0;
- }
- return OSObject::free();
-}
-
-void PMHaltWorker::main( void * arg )
-{
- PMHaltWorker * me = (PMHaltWorker *) arg;
-
- IOLockLock( gPMHaltLock );
- gPMHaltBusyCount++;
- me->depth = gPMHaltDepth;
- IOLockUnlock( gPMHaltLock );
-
- while (me->depth >= 0)
- {
- PMHaltWorker::work( me );
-
- IOLockLock( gPMHaltLock );
- if (++gPMHaltIdleCount >= gPMHaltBusyCount)
- {
- // This is the last thread to finish work on this level,
- // inform everyone to start working on next lower level.
- gPMHaltDepth--;
- me->depth = gPMHaltDepth;
- gPMHaltIdleCount = 0;
- thread_wakeup((event_t) &gPMHaltIdleCount);
- }
- else
- {
- // One or more threads are still working on this level,
- // this thread must wait.
- me->depth = gPMHaltDepth - 1;
- do {
- IOLockSleep(gPMHaltLock, &gPMHaltIdleCount, THREAD_UNINT);
- } while (me->depth != gPMHaltDepth);
- }
- IOLockUnlock( gPMHaltLock );
- }
-
- // No more work to do, terminate thread
- DEBUG_LOG("All done for worker: %p (visits = %u)\n", me, me->visits);
- thread_wakeup( &gPMHaltDepth );
- me->release();
-}
-
-void PMHaltWorker::work( PMHaltWorker * me )
-{
- IOService * service;
- OSSet * inner;
- AbsoluteTime startTime;
- UInt32 deltaTime;
- bool timeout;
-
- while (true)
- {
- service = 0;
- timeout = false;
-
- // Claim an unit of work from the shared pool
- IOLockLock( gPMHaltLock );
- inner = (OSSet *)gPMHaltArray->getObject(me->depth);
- if (inner)
- {
- service = (IOService *)inner->getAnyObject();
- if (service)
- {
- service->retain();
- inner->removeObject(service);
- }
- }
- IOLockUnlock( gPMHaltLock );
- if (!service)
- break; // no more work at this depth
-
- clock_get_uptime(&startTime);
-
- if (!service->isInactive() &&
- service->setProperty(gPMHaltClientAcknowledgeKey, me))
- {
- IOLockLock(me->lock);
- me->startTime = startTime;
- me->service = service;
- me->timeout = false;
- IOLockUnlock(me->lock);
-
- service->systemWillShutdown( gPMHaltEvent );
-
- // Wait for driver acknowledgement
- IOLockLock(me->lock);
- while (service->getProperty(gPMHaltClientAcknowledgeKey))
- {
- IOLockSleep(me->lock, me, THREAD_UNINT);
- }
- me->service = 0;
- timeout = me->timeout;
- IOLockUnlock(me->lock);
- }
-
- deltaTime = computeDeltaTimeMS(&startTime);
- if ((deltaTime > kPMHaltTimeoutMS) || timeout ||
- (gIOKitDebug & kIOLogDebugPower))
- {
- HaltRestartLog("%s driver %s (%p) took %lu ms\n",
- (gPMHaltEvent == kIOMessageSystemWillPowerOff) ?
- "PowerOff" : "Restart",
- service->getName(), service,
- deltaTime );
- }
-
- service->release();
- me->visits++;
- }
-}
-
-void PMHaltWorker::checkTimeout( PMHaltWorker * me, AbsoluteTime * now )
-{
- UInt64 nano;
- AbsoluteTime startTime;
- AbsoluteTime endTime;
-
- endTime = *now;
-
- IOLockLock(me->lock);
- if (me->service && !me->timeout)
- {
- startTime = me->startTime;
- nano = 0;
- if (CMP_ABSOLUTETIME(&endTime, &startTime) > 0)
- {
- SUB_ABSOLUTETIME(&endTime, &startTime);
- absolutetime_to_nanoseconds(endTime, &nano);
- }
- if (nano > 3000000000ULL)
- {
- me->timeout = true;
- HaltRestartLog("%s still waiting on %s\n",
- (gPMHaltEvent == kIOMessageSystemWillPowerOff) ?
- "PowerOff" : "Restart",
- me->service->getName());
- }
- }
- IOLockUnlock(me->lock);
-}
-
-//*********************************************************************************
-// acknowledgeSystemWillShutdown
-//
-// Acknowledgement from drivers that they have prepared for shutdown/restart.
-//*********************************************************************************
-
-void IOPMrootDomain::acknowledgeSystemWillShutdown( IOService * from )
-{
- PMHaltWorker * worker;
- OSObject * prop;
-
- if (!from)
- return;
-
- //DEBUG_LOG("%s acknowledged\n", from->getName());
- prop = from->copyProperty( gPMHaltClientAcknowledgeKey );
- if (prop)
- {
- worker = (PMHaltWorker *) prop;
- IOLockLock(worker->lock);
- from->removeProperty( gPMHaltClientAcknowledgeKey );
- thread_wakeup((event_t) worker);
- IOLockUnlock(worker->lock);
- worker->release();
- }
- else
- {
- DEBUG_LOG("%s acknowledged without worker property\n",
- from->getName());
- }
-}
-
-//*********************************************************************************
-// notifySystemShutdown
-//
-// Notify all objects in PM tree that system will shutdown or restart
-//*********************************************************************************
-
-static void
-notifySystemShutdown( IOService * root, unsigned long event )
-{
-#define PLACEHOLDER ((OSSet *)gPMHaltArray)
- IORegistryIterator * iter;
- IORegistryEntry * entry;
- IOService * node;
- OSSet * inner;
- PMHaltWorker * workers[kPMHaltMaxWorkers];
- AbsoluteTime deadline;
- unsigned int totalNodes = 0;
- unsigned int depth;
- unsigned int rootDepth;
- unsigned int numWorkers;
- unsigned int count;
- int waitResult;
- void * baseFunc;
- bool ok;
-
- DEBUG_LOG("%s event = %lx\n", __FUNCTION__, event);
-
- baseFunc = OSMemberFunctionCast(void *, root, &IOService::systemWillShutdown);
-
- // Iterate the entire PM tree starting from root
-
- rootDepth = root->getDepth( gIOPowerPlane );
- if (!rootDepth) goto done;
-
- // debug - for repeated test runs
- while (PMHaltWorker::metaClass->getInstanceCount())
- IOSleep(1);
-
- if (!gPMHaltArray)
- {
- gPMHaltArray = OSArray::withCapacity(40);
- if (!gPMHaltArray) goto done;
- }
- else // debug
- gPMHaltArray->flushCollection();
-
- if (!gPMHaltLock)
- {
- gPMHaltLock = IOLockAlloc();
- if (!gPMHaltLock) goto done;
- }
-
- if (!gPMHaltClientAcknowledgeKey)
- {
- gPMHaltClientAcknowledgeKey =
- OSSymbol::withCStringNoCopy("PMShutdown");
- if (!gPMHaltClientAcknowledgeKey) goto done;
- }
-
- gPMHaltEvent = event;
-
- // Depth-first walk of PM plane
-
- iter = IORegistryIterator::iterateOver(
- root, gIOPowerPlane, kIORegistryIterateRecursively);
-
- if (iter)
- {
- while ((entry = iter->getNextObject()))
- {
- node = OSDynamicCast(IOService, entry);
- if (!node)
- continue;
-
- if (baseFunc ==
- OSMemberFunctionCast(void *, node, &IOService::systemWillShutdown))
- continue;
-
- depth = node->getDepth( gIOPowerPlane );
- if (depth <= rootDepth)
- continue;
-
- ok = false;
-
- // adjust to zero based depth
- depth -= (rootDepth + 1);
-
- // gPMHaltArray is an array of containers, each container
- // refers to nodes with the same depth.
-
- count = gPMHaltArray->getCount();
- while (depth >= count)
- {
- // expand array and insert placeholders
- gPMHaltArray->setObject(PLACEHOLDER);
- count++;
- }
- count = gPMHaltArray->getCount();
- if (depth < count)
- {
- inner = (OSSet *)gPMHaltArray->getObject(depth);
- if (inner == PLACEHOLDER)
- {
- inner = OSSet::withCapacity(40);
- if (inner)
- {
- gPMHaltArray->replaceObject(depth, inner);
- inner->release();
- }
- }
-
- // PM nodes that appear more than once in the tree will have
- // the same depth, OSSet will refuse to add the node twice.
- if (inner)
- ok = inner->setObject(node);
- }
- if (!ok)
- DEBUG_LOG("Skipped PM node %s\n", node->getName());
- }
- iter->release();
- }
-
- // debug only
- for (int i = 0; (inner = (OSSet *)gPMHaltArray->getObject(i)); i++)
- {
- count = 0;
- if (inner != PLACEHOLDER)
- count = inner->getCount();
- DEBUG_LOG("Nodes at depth %u = %u\n", i, count);
- }
-
- // strip placeholders (not all depths are populated)
- numWorkers = 0;
- for (int i = 0; (inner = (OSSet *)gPMHaltArray->getObject(i)); )
- {
- if (inner == PLACEHOLDER)
- {
- gPMHaltArray->removeObject(i);
- continue;
- }
- count = inner->getCount();
- if (count > numWorkers)
- numWorkers = count;
- totalNodes += count;
- i++;
- }
-
- if (gPMHaltArray->getCount() == 0 || !numWorkers)
- goto done;
-
- gPMHaltBusyCount = 0;
- gPMHaltIdleCount = 0;
- gPMHaltDepth = gPMHaltArray->getCount() - 1;
-
- // Create multiple workers (and threads)
-
- if (numWorkers > kPMHaltMaxWorkers)
- numWorkers = kPMHaltMaxWorkers;
-
- DEBUG_LOG("PM nodes = %u, maxDepth = %u, workers = %u\n",
- totalNodes, gPMHaltArray->getCount(), numWorkers);
-
- for (unsigned int i = 0; i < numWorkers; i++)
- workers[i] = PMHaltWorker::worker();
-
- // Wait for workers to exhaust all available work
-
- IOLockLock(gPMHaltLock);
- while (gPMHaltDepth >= 0)
- {
- clock_interval_to_deadline(1000, kMillisecondScale, &deadline);
-
- waitResult = IOLockSleepDeadline(
- gPMHaltLock, &gPMHaltDepth, deadline, THREAD_UNINT);
- if (THREAD_TIMED_OUT == waitResult)
- {
- AbsoluteTime now;
- clock_get_uptime(&now);
-
- IOLockUnlock(gPMHaltLock);
- for (unsigned int i = 0 ; i < numWorkers; i++)
- {
- if (workers[i])
- PMHaltWorker::checkTimeout(workers[i], &now);
- }
- IOLockLock(gPMHaltLock);
- }
- }
- IOLockUnlock(gPMHaltLock);
-
- // Release all workers
-
- for (unsigned int i = 0; i < numWorkers; i++)
- {
- if (workers[i])
- workers[i]->release();
- // worker also retained by it's own thread
- }
-
-done:
- DEBUG_LOG("%s done\n", __FUNCTION__);
- return;
-}
-
-#if DEBUG_TEST
-// debug - exercise notifySystemShutdown()
-bool IOPMrootDomain::serializeProperties( OSSerialize * s ) const
-{
- IOPMrootDomain * root = (IOPMrootDomain *) this;
- notifySystemShutdown( root, kIOMessageSystemWillPowerOff );
- return( super::serializeProperties(s) );
-}
-#endif
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-
-
-#undef super
-#define super OSObject
-OSDefineMetaClassAndStructors(PMSettingObject, OSObject)
-
-void PMSettingObject::setPMSetting(const OSSymbol *type, OSObject *obj)
-{
- (*func)(target, type, obj, refcon);
-}
-
-/*
- * Static constructor/initializer for PMSettingObject
- */
-PMSettingObject *PMSettingObject::pmSettingObject(
- IOPMrootDomain *parent_arg,
- IOPMSettingControllerCallback handler_arg,
- OSObject *target_arg,
- uintptr_t refcon_arg,
- uint32_t supportedPowerSources,
- const OSSymbol * settings[])
-{
- uint32_t objCount = 0;
- PMSettingObject *pmso;
-
- if( !parent_arg || !handler_arg || !settings ) return NULL;
-
- // count OSSymbol entries in NULL terminated settings array
- while( settings[objCount] ) {
- objCount++;
- }
- if(0 == objCount) return NULL;
-
- pmso = new PMSettingObject;
- if(!pmso || !pmso->init()) return NULL;
-
- pmso->parent = parent_arg;
- pmso->func = handler_arg;
- pmso->target = target_arg;
- pmso->refcon = refcon_arg;
- pmso->releaseAtCount = objCount + 1; // release when it has count+1 retains
-
- pmso->publishedFeatureID = (uint32_t *)IOMalloc(sizeof(uint32_t)*objCount);
- if(pmso->publishedFeatureID) {
- for(unsigned int i=0; i<objCount; i++) {
- // Since there is now at least one listener to this setting, publish
- // PM root domain support for it.
- parent_arg->publishFeature( settings[i]->getCStringNoCopy(),
- supportedPowerSources, &pmso->publishedFeatureID[i] );
- }
- }
-
- return pmso;
-}
-
-void PMSettingObject::free(void)
-{
- OSCollectionIterator *settings_iter;
- OSSymbol *sym;
- OSArray *arr;
- int arr_idx;
- int i;
- int objCount = releaseAtCount - 1;
-
- if(publishedFeatureID) {
- for(i=0; i<objCount; i++) {
- if(0 != publishedFeatureID[i]) {
- parent->removePublishedFeature( publishedFeatureID[i] );
+ changePowerStateToPriv(SLEEP_STATE);
+ } else {
+ changePowerStateToPriv(DOZE_STATE);
}
}
-
- IOFree(publishedFeatureID, sizeof(uint32_t) * objCount);
- }
-
- IORecursiveLockLock(parent->settingsCtrlLock);
-
- // Search each PM settings array in the kernel.
- settings_iter = OSCollectionIterator::withCollection(parent->settingsCallbacks);
- if(settings_iter)
- {
- while(( sym = OSDynamicCast(OSSymbol, settings_iter->getNextObject()) ))
- {
- arr = (OSArray *)parent->settingsCallbacks->getObject(sym);
- arr_idx = arr->getNextIndexOfObject(this, 0);
- if(-1 != arr_idx) {
- // 'this' was found in the array; remove it
- arr->removeObject(arr_idx);
- }
- }
-
- settings_iter->release();
- }
-
- IORecursiveLockUnlock(parent->settingsCtrlLock);
-
- super::free();
-}
-
-void PMSettingObject::taggedRelease(const void *tag, const int when) const
-{
- // We have n+1 retains - 1 per array that this PMSettingObject is a member
- // of, and 1 retain to ourself. When we get a release with n+1 retains
- // remaining, we go ahead and free ourselves, cleaning up array pointers
- // in free();
-
- super::taggedRelease(tag, releaseAtCount);
-}
-
+ }
+}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
@@ -3202,10 +1480,8 @@
mostRecentChange = ON_STATE;
super::start(nub);
PMinit();
- youAreRoot();
registerPowerDriver(this,patriarchPowerStates,number_of_power_states);
- wakeSystem();
- powerOverrideOnPriv();
+ powerOverrideOnPriv();
return true;
}
@@ -3256,23 +1532,3 @@
changePowerStateToPriv(ON_STATE);
}
-IOReturn IORootParent::changePowerStateToPriv ( unsigned long ordinal )
-{
- IOReturn ret;
-
- if( (SLEEP_STATE == ordinal) && sleepSupportedPEFunction )
- {
-
- // Determine if the machine supports sleep, or must doze.
- ret = getPlatform()->callPlatformFunction(
- sleepSupportedPEFunction, false,
- NULL, NULL, NULL, NULL);
-
- // If the machine only supports doze, the callPlatformFunction call
- // boils down toIOPMrootDomain::setSleepSupported(kPCICantSleep),
- // otherwise nothing.
- }
-
- return super::changePowerStateToPriv(ordinal);
-}
-