/*
* Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the
+ * License may not be used to create, or enable the creation or
+ * redistribution of, unlawful or unlicensed copies of an Apple operating
+ * system, or to circumvent, violate, or enable the circumvention or
+ * violation of, any terms of an Apple operating system software license
+ * agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
#include <IOKit/IOWorkLoop.h>
#include <IOKit/IOCommandGate.h>
#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>
#include <IOKit/IOHibernatePrivate.h>
+#include "IOPMWorkArbiter.h"
#ifdef __ppc__
#include <ppc/pms.h>
#endif
-extern "C" void kprintf(const char *, ...);
+extern "C" {
+IOReturn OSMetaClassSystemSleepOrWake( UInt32 );
+}
extern const IORegistryPlane * gIOPowerPlane;
static void sleepTimerExpired(thread_call_param_t);
static void wakeupClamshellTimerExpired ( thread_call_param_t us);
+// "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
#define SLEEP_POWER kIOPMAuxPowerOn
#define DOZE_POWER kIOPMDoze
+#define kLocalEvalClamshellCommand (1 << 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
+ // 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;
+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);
+};
+
+
+
#define super IOService
OSDefineMetaClassAndStructors(IOPMrootDomain,IOService)
ADB will turn on again so that they can wake the system out of Doze (keyboard/mouse activity will cause the Display Wrangler
to be tickled)).
*/
-
+
// **********************************************************************************
IOPMrootDomain * IOPMrootDomain::construct( void )
rootDomain->allowPowerChange(pmRef);
}
+// **********************************************************************************
+IOPMWorkArbiter *IOPMrootDomain::getPMArbiter(void)
+{
+ return pmArbiter;
+}
+
+
// **********************************************************************************
// start
//
// expert informs us we are the root.
// **********************************************************************************
+#define kRootDomainSettingsCount 12
bool IOPMrootDomain::start ( IOService * nub )
{
- OSDictionary *tmpDict;
+ OSIterator *psIterator;
+ OSDictionary *tmpDict;
+ const OSSymbol *settingsArr[kRootDomainSettingsCount] =
+ {
+ OSSymbol::withCString(kIOPMSettingSleepOnPowerButtonKey),
+ OSSymbol::withCString(kIOPMSettingAutoWakeSecondsKey),
+ 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)
+ };
+
pmPowerStateQueue = 0;
gRootDomain = this;
PMinit();
- setProperty("IOSleepSupported","");
+
+ sleepSupportedPEFunction = OSSymbol::withCString("IOPMSetSleepSupported");
+ canSleep = true;
+ setProperty(kIOSleepSupportedKey,true);
allowSleep = true;
sleepIsSupported = true;
systemBooting = true;
- ignoringClamshell = true;
sleepSlider = 0;
idleSleepPending = false;
- canSleep = true;
wrangler = NULL;
sleepASAP = false;
- _settingController = NULL;
+ clamshellIsClosed = false;
+ clamshellExists = false;
+ ignoringClamshell = true;
ignoringClamshellDuringWakeup = false;
+ acAdaptorConnect = true;
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);
pm_vars->PMworkloop->addEventSource(pmPowerStateQueue);
+ /* Initialize PM arbiter */
+ pmArbiter = IOPMWorkArbiter::pmWorkArbiter(this);
+ arbiterWorkLoop = IOWorkLoop::workLoop();
+ arbiterWorkLoop->addEventSource(pmArbiter);
+
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;
registerPrioritySleepWakeInterest( &sysPowerDownHandler, this, 0);
// Register for a notification when IODisplayWrangler is published
- _displayWranglerNotifier = addNotification( gIOPublishNotification,
- serviceMatching("IODisplayWrangler"),
- &displayWranglerPublished, this, 0);
+ _displayWranglerNotifier = addNotification(
+ gIOPublishNotification, serviceMatching("IODisplayWrangler"),
+ &displayWranglerPublished, this, 0);
- _batteryLocationNotifier = addNotification( gIOPublishNotification,
- resourceMatching("battery"),
- &batteryLocationPublished, this, this);
+ // Battery location published - ApplePMU support only
+ _batteryPublishNotifier = addNotification(
+ gIOPublishNotification, serviceMatching("IOPMPowerSource"),
+ &batteryPublished, this, this);
+
const OSSymbol *ucClassName = OSSymbol::withCStringNoCopy("RootDomainUserClient");
setProperty(gIOUserClientClassKey, (OSObject *) ucClassName);
ucClassName->release();
- IORegistryEntry *temp_entry = NULL;
- if( (temp_entry = IORegistryEntry::fromPath("mac-io/battery", gIODTPlane)) ||
- (temp_entry = IORegistryEntry::fromPath("mac-io/via-pmu/battery", gIODTPlane)))
+ // 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() )
{
- // 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.
+ // There's at least one battery on the system, so we publish
+ // 'DisplayDims' support for the LCD.
publishFeature("DisplayDims");
- temp_entry->release();
+ }
+ if(psIterator) {
+ psIterator->release();
}
IOHibernateSystemInit(this);
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;
- }
-}
-
// **********************************************************************************
// setProperties
//
// **********************************************************************************
IOReturn IOPMrootDomain::setProperties ( OSObject *props_obj)
{
- 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");
+ 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 *stall_halt_string =
+ OSSymbol::withCString("StallSystemAtHalt");
+ 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);
if(!dict)
{
{
systemBooting = false;
adjustPowerState();
+
+ // If lid is closed, re-send lid closed notification
+ // now that booting is complete.
+ if( clamshellIsClosed )
+ {
+ this->receivePowerNotification(kLocalEvalClamshellCommand);
+ }
}
- 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))) )
{
}
if ( hibernatemode_string
- && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatemode_string))))
+ && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatemode_string))))
{
- setProperty(hibernatemode_string, n);
+ setProperty(hibernatemode_string, n);
}
if ( hibernatefreeratio_string
- && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreeratio_string))))
+ && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreeratio_string))))
{
- setProperty(hibernatefreeratio_string, n);
+ setProperty(hibernatefreeratio_string, n);
}
if ( hibernatefreetime_string
- && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreetime_string))))
+ && (n = OSDynamicCast(OSNumber, dict->getObject(hibernatefreetime_string))))
{
- setProperty(hibernatefreetime_string, n);
+ setProperty(hibernatefreetime_string, n);
}
if ( hibernatefile_string
- && (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))) )
+ && (str = OSDynamicCast(OSString, dict->getObject(hibernatefile_string))))
{
- return_value = setPMSetting(kIOPMAutoWakeSetting, n);
- if(kIOReturnSuccess != return_value) goto exit;
- }
-
- // 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;
+ setProperty(hibernatefile_string, str);
}
- // 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 our allowed PM settings onto our registered PM clients
+ for(i = 0; i < allowedPMSettings->getCount(); i++) {
- // 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;
- }
+ type = (OSSymbol *)allowedPMSettings->getObject(i);
+ if(!type) continue;
- // 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);
+ obj = dict->getObject(type);
+ if(!obj) continue;
+
+ return_value = setPMSetting(type, obj);
+
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(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;
}
void IOPMrootDomain::stopIgnoringClamshellEventsDuringWakeup(void)
{
- OSObject * state;
-
// Allow clamshell-induced sleep now
ignoringClamshellDuringWakeup = false;
- if ((state = getProperty(kAppleClamshellStateKey)))
- publishResource(kAppleClamshellStateKey, state);
+ // Re-send clamshell event, in case it causes a sleep
+ if(clamshellIsClosed)
+ this->receivePowerNotification( kLocalEvalClamshellCommand );
}
//*********************************************************************************
// **********************************************************************************
IOReturn IOPMrootDomain::sleepSystem ( void )
{
- //kprintf("sleep demand received\n");
if ( !systemBooting && allowSleep && sleepIsSupported ) {
patriarch->sleepSystem();
// code will resume execution here.
// Now we're waking...
- IOHibernateSystemWake();
+ IOHibernateSystemWake();
// stay awake for at least 30 seconds
clock_interval_to_deadline(30, kSecondScale, &deadline);
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
{
if ( pm_vars->myCurrentState == DOZE_STATE )
{
- // reset this till next attempt
- canSleep = true;
+ // 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);
+
powerOverrideOffPriv();
// early wake notification
}
-// **********************************************************************************
+// *****************************************************************************
// 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!
+
+ 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);
- if ( features && OSDynamicCast(OSDictionary, features))
+ // Create new features dict if necessary
+ 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
+ messageClients(kIOPMMessageFeatureChange, this);
+
+ if(featuresDictLock) IOLockUnlock(featuresDictLock);
}
+// *****************************************************************************
+// 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
+ messageClients(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.
+//
+// **********************************************************************************
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");
+ 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.
- // (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;
setProperty(kIOBatteryInfoKey, batt_info);
}
- messageClients(kIOPMMessageBatteryStatusHasChanged);
}
-IOReturn IOPMrootDomain::registerPMSettingController
- (IOPMSettingControllerCallback func, void *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)
{
- if(_settingController) return kIOReturnExclusiveAccess;
-
- _settingController = (PMSettingCtrl *)IOMalloc(sizeof(PMSettingCtrl));
- if(!_settingController) return kIOReturnNoMemory;
+ OSArray *arr = NULL;
+ PMSettingObject *p_obj = NULL;
+ int count;
+ int i;
+
+ if(NULL == type) return kIOReturnBadArgument;
+
+ IORecursiveLockLock(settingsCtrlLock);
- _settingController->func = func;
- _settingController->refcon = info;
+ 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);
return kIOReturnSuccess;
}
+// *****************************************************************************
+// copyPMSetting (public)
+//
+// Allows kexts to safely read setting values, without being subscribed to
+// notifications.
+//
+// *****************************************************************************
+OSObject * IOPMrootDomain::copyPMSetting(
+ OSSymbol *whichSetting)
+{
+ OSObject *obj = NULL;
-//*********************************************************************************
-// receivePowerNotification
+ if(!whichSetting) return NULL;
+
+ IORecursiveLockLock(settingsCtrlLock);
+ obj = fPMSettingsDict->getObject(whichSetting);
+ if(obj) {
+ obj->retain();
+ }
+ IORecursiveLockUnlock(settingsCtrlLock);
+
+ return obj;
+}
+
+// *****************************************************************************
+// registerPMSettingController (public)
//
-// 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.
-//*********************************************************************************
+// 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);
+}
-IOReturn IOPMrootDomain::receivePowerNotification (UInt32 msg)
+// *****************************************************************************
+// 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)
{
- if (msg & kIOPMOverTemp)
+ PMSettingObject *pmso = NULL;
+ OSArray *list = NULL;
+ IOReturn ret = kIOReturnSuccess;
+ int i;
+
+ if( NULL == settings ||
+ NULL == func ||
+ NULL == handle)
{
- IOLog("Power Management received emergency overtemp signal. Going to sleep.");
- (void) sleepSystem ();
+ return kIOReturnBadArgument;
}
- if (msg & kIOPMSetDesktopMode)
+
+
+ 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++)
{
- desktopMode = (0 != (msg & kIOPMSetValue));
- msg &= ~(kIOPMSetDesktopMode | kIOPMSetValue);
+ 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);
}
- if (msg & kIOPMSetACAdaptorConnected)
+
+ ret = kIOReturnSuccess;
+
+ // Track this instance by its OSData ptr from now on
+ *handle = pmso;
+
+ IORecursiveLockUnlock(settingsCtrlLock);
+
+bail_no_unlock:
+ if(kIOReturnSuccess != ret)
{
- acAdaptorConnect = (0 != (msg & kIOPMSetValue));
- msg &= ~(kIOPMSetACAdaptorConnected | kIOPMSetValue);
+ // Error return case
+ if(pmso) pmso->release();
+ if(handle) *handle = NULL;
}
- if (msg & kIOPMEnableClamshell)
+ 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 bitfield of
+ * ( kClamshellStateBit | kClamshellSleepBit )
+ * Carry on the clamshell state change notification from an
+ * independent thread.
+ */
+ pmArbiter->clamshellStateChangeOccurred(
+ (uint32_t) ( (clamshellIsClosed ? kClamshellStateBit : 0)
+ | ( shouldSleepOnClamshellClosed() ? kClamshellSleepBit : 0)));
+}
+
+//******************************************************************************
+// 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)
{
- ignoringClamshell = false;
+ eval_clamshell = true;
}
- if (msg & kIOPMDisableClamshell)
+
+ /*
+ * Overtemp
+ */
+ if (msg & kIOPMOverTemp)
{
- ignoringClamshell = true;
+ IOLog("PowerManagement emergency overtemp signal. Going to sleep!");
+ (void) sleepSystem ();
}
+ /*
+ * PMU Processor Speed Change
+ */
if (msg & kIOPMProcessorSpeedChange)
{
IOService *pmu = waitForService(serviceMatching("ApplePMU"));
pmu->callPlatformFunction("recoverFromSleep", false, 0, 0, 0, 0);
}
+ /*
+ * Sleep Now!
+ */
if (msg & kIOPMSleepNow)
{
(void) sleepSystem ();
}
+ /*
+ * Power Emergency
+ */
if (msg & kIOPMPowerEmergency)
{
(void) sleepSystem ();
}
- if (msg & kIOPMClamshellClosed)
+
+ /*
+ * Clamshell OPEN
+ */
+ if (msg & kIOPMClamshellOpened)
{
- if ( !ignoringClamshell && !ignoringClamshellDuringWakeup
- && (!desktopMode || !acAdaptorConnect) )
+ // Received clamshel open message from clamshell controlling driver
+ // Update our internal state and tell general interest clients
+ clamshellIsClosed = false;
+ clamshellExists = true;
+
+ 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;
+
+ 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 )
+ {
+ eval_clamshell = true;
+ }
+ }
+
+ /*
+ * AC Adaptor connected
+ *
+ * -> reevaluate lid state
+ */
+ if (msg & kIOPMSetACAdaptorConnected)
+ {
+ acAdaptorConnect = (0 != (msg & kIOPMSetValue));
+ msg &= ~(kIOPMSetACAdaptorConnected | kIOPMSetValue);
+
+ sendClientClamshellNotification();
+
+ // Re-evaluate the lid state
+ if( clamshellIsClosed )
{
+ eval_clamshell = true;
+ }
- (void) sleepSystem ();
+ }
+
+ /*
+ * 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!
+ sleepSystem();
+ }
+
+ /*
+ * Power Button
+ */
if (msg & kIOPMPowerButton)
{
// toggle state of sleep/wake
reportUserInput();
}
else {
+ OSString *pbs = OSString::withCString("DisablePowerButtonSleep");
// Check that power button sleep is enabled
- if(kOSBooleanTrue != getProperty(OSString::withCString("DisablePowerButtonSleep")))
+ if( pbs ) {
+ if( kOSBooleanTrue != getProperty(pbs))
sleepSystem();
+ }
}
}
- // if the case has been closed, we allow
- // the machine to be put to sleep or to idle sleep
-
+ /*
+ * Allow Sleep
+ *
+ */
if ( (msg & kIOPMAllowSleep) && !allowSleep )
{
allowSleep = true;
adjustPowerState();
}
- // if the case has been opened, we disallow sleep/doze
-
+ /*
+ * Prevent Sleep
+ *
+ */
if (msg & kIOPMPreventSleep) {
allowSleep = false;
// are we dozing?
{
canSleep = false;
} else {
+ canSleep = true;
platformSleepSupport = flags;
}
+ setProperty(kIOSleepSupportedKey, canSleep);
+
}
//*********************************************************************************
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:
+ // Unsupported shutdown ordering hack on RESTART only
+ // For Bluetooth and USB (4368327)
+ super::tellClients(iokit_common_msg(0x759));
+
return super::tellClientsWithResponse(kIOMessageSystemWillRestart);
case OFF_STATE:
+ // Unsupported shutdown ordering hack on SHUTDOWN only
+ // For Bluetooth and USB (4554440)
+ super::tellClients(iokit_common_msg(0x749));
+
return super::tellClientsWithResponse(kIOMessageSystemWillPowerOff);
}
// this shouldn't execute
{
if ( stateNum == ON_STATE )
{
+ // Direct callout into OSMetaClass so it can disable kmod unloads
+ // during sleep/wake to prevent deadlocks.
+ OSMetaClassSystemSleepOrWake( kIOMessageSystemHasPoweredOn );
+
IOHibernateSystemPostWake();
return tellClients(kIOMessageSystemHasPoweredOn);
}
IOReturn IOPMrootDomain::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);
}
//
//*********************************************************************************
-bool IOPMrootDomain::displayWranglerPublished( void * target, void * refCon,
- IOService * newService)
+bool IOPMrootDomain::displayWranglerPublished(
+ void * target,
+ void * refCon,
+ IOService * newService)
{
- IOPMrootDomain * rootDomain = OSDynamicCast(IOPMrootDomain, (IOService *)target);
+ IOPMrootDomain *rootDomain =
+ OSDynamicCast(IOPMrootDomain, (IOService *)target);
if(!rootDomain)
return false;
rootDomain->wrangler = newService;
// we found the display wrangler, now install a handler
- if( !rootDomain->wrangler->registerInterest( gIOGeneralInterest, &displayWranglerNotification, target, 0) ) {
- IOLog("IOPMrootDomain::displayWranglerPublished registerInterest failed\n");
+ if( !rootDomain->wrangler->registerInterest( gIOGeneralInterest,
+ &displayWranglerNotification, target, 0) )
+ {
return false;
}
return true;
}
+
//*********************************************************************************
-// batteryLocationPublished
+// batteryPublished
//
-// Notification on AppleSMU publishing location of battery data
+// Notification on battery class IOPowerSource appearance
//
-//*********************************************************************************
-
-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
+//******************************************************************************
+
+bool IOPMrootDomain::batteryPublished(
+ void * target,
+ void * root_domain,
+ IOService * resourceService )
+{
+ // rdar://2936060&4435589
// 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);
}
}
}
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+
+
+#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] );
+ }
+ }
+
+ 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);
+}
+
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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);
+}
+
projects / apple / xnu.git / blobdiff