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--- xnu/xnu-517.7.7/iokit/Kernel/IOPMrootDomain.cpp
+++ xnu/xnu-792.2.4/iokit/Kernel/IOPMrootDomain.cpp
@@ -1,4 +1,4 @@
- /*
+/*
* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
@@ -27,24 +27,50 @@
#include <IOKit/IOTimeStamp.h>
#include <IOKit/pwr_mgt/RootDomain.h>
#include <IOKit/pwr_mgt/IOPMPrivate.h>
+#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOMessage.h>
#include "RootDomainUserClient.h"
#include "IOKit/pwr_mgt/IOPowerConnection.h"
#include "IOPMPowerStateQueue.h"
+#include <IOKit/IOCatalogue.h>
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+
+#include <IOKit/IOPolledInterface.h>
+
+OSDefineMetaClassAndAbstractStructors(IOPolledInterface, OSObject);
+
+OSMetaClassDefineReservedUnused(IOPolledInterface, 0);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 1);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 2);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 3);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 4);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 5);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 6);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 7);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 8);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 9);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 10);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 11);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 12);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 13);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 14);
+OSMetaClassDefineReservedUnused(IOPolledInterface, 15);
+
+IOReturn
+IOPolledInterface::checkAllForWork(void)
+{
+ return (kIOReturnSuccess);
+}
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
extern "C" void kprintf(const char *, ...);
extern const IORegistryPlane * gIOPowerPlane;
-
-// debug trace function
-static inline void
-ioSPMTrace(unsigned int csc,
- unsigned int a = 0, unsigned int b = 0,
- unsigned int c = 0, unsigned int d = 0)
-{
- if (gIOKitDebug & kIOLogTracePower)
- IOTimeStampConstant(IODBG_POWER(csc), a, b, c, d);
-}
IOReturn broadcast_aggressiveness ( OSObject *, void *, void *, void *, void * );
static void sleepTimerExpired(thread_call_param_t);
@@ -74,6 +100,9 @@
// 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;
@@ -84,12 +113,12 @@
extern "C"
{
- IONotifier * registerSleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref = 0)
+ IONotifier * registerSleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref)
{
return gRootDomain->registerInterest( gIOGeneralInterest, handler, self, ref );
}
- IONotifier * registerPrioritySleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref = 0)
+ IONotifier * registerPrioritySleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref)
{
return gRootDomain->registerInterest( gIOPriorityPowerStateInterest, handler, self, ref );
}
@@ -116,6 +145,7 @@
void IOSystemShutdownNotification ( void )
{
+ IOCatalogue::disableExternalLinker();
for ( int i = 0; i < 100; i++ )
{
if ( OSCompareAndSwap( 0, 1, &gSleepOrShutdownPending ) ) break;
@@ -214,6 +244,7 @@
PMinit();
setProperty("IOSleepSupported","");
+
allowSleep = true;
sleepIsSupported = true;
systemBooting = true;
@@ -229,10 +260,12 @@
tmpDict = OSDictionary::withCapacity(1);
setProperty(kRootDomainSupportedFeatures, tmpDict);
tmpDict->release();
-
+
pm_vars->PMworkloop = IOWorkLoop::workLoop();
pmPowerStateQueue = IOPMPowerStateQueue::PMPowerStateQueue(this);
pm_vars->PMworkloop->addEventSource(pmPowerStateQueue);
+
+ featuresDictLock = IOLockAlloc();
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);
@@ -257,11 +290,30 @@
registerPrioritySleepWakeInterest( &sysPowerDownHandler, this, 0);
// Register for a notification when IODisplayWrangler is published
- addNotification( gIOPublishNotification, serviceMatching("IODisplayWrangler"), &displayWranglerPublished, this, 0);
+ _displayWranglerNotifier = addNotification( gIOPublishNotification,
+ serviceMatching("IODisplayWrangler"),
+ &displayWranglerPublished, this, 0);
+
+ _batteryLocationNotifier = addNotification( gIOPublishNotification,
+ resourceMatching("battery"),
+ &batteryLocationPublished, this, this);
const OSSymbol *ucClassName = OSSymbol::withCStringNoCopy("RootDomainUserClient");
- setProperty(gIOUserClientClassKey, (OSMetaClassBase *) ucClassName);
+ 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)))
+ {
+ // 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");
+ temp_entry->release();
+ }
+
registerService(); // let clients find us
@@ -291,15 +343,17 @@
OSDictionary *dict = OSDynamicCast(OSDictionary, props_obj);
OSBoolean *b;
OSNumber *n;
- OSString *boot_complete_string = OSString::withCString("System Boot Complete");
- OSString *power_button_string = OSString::withCString("DisablePowerButtonSleep");
- OSString *stall_halt_string = OSString::withCString("StallSystemAtHalt");
- OSString *auto_wake_string = OSString::withCString("wake");
- OSString *auto_power_string = OSString::withCString("poweron");
- OSString *wakeonring_string = OSString::withCString("WakeOnRing");
- OSString *fileserver_string = OSString::withCString("AutoRestartOnPowerLoss");
- OSString *wakeonlid_string = OSString::withCString("WakeOnLid");
- OSString *wakeonac_string = OSString::withCString("WakeOnACChange");
+ 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 *timezone_string = OSSymbol::withCString("TimeZoneOffsetSeconds");
if(!dict)
{
@@ -326,7 +380,8 @@
{
setProperty(stall_halt_string, b);
}
-
+
+
// Relay AutoWake setting to its controller
if( auto_wake_string
&& (n = OSDynamicCast(OSNumber, dict->getObject(auto_wake_string))) )
@@ -372,6 +427,14 @@
&& (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;
}
@@ -386,6 +449,7 @@
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;
}
@@ -537,6 +601,7 @@
//kprintf("sleep demand received\n");
if ( !systemBooting && allowSleep && sleepIsSupported ) {
patriarch->sleepSystem();
+
return kIOReturnSuccess;
}
if ( !systemBooting && allowSleep && !sleepIsSupported ) {
@@ -593,14 +658,14 @@
{
// re-enable this timer for next sleep
idleSleepPending = false;
+
IOLog("System Sleep\n");
pm_vars->thePlatform->sleepKernel();
// The CPU(s) are off at this point. When they're awakened by CPU interrupt,
- // code will resume exeuction here.
-
+ // code will resume execution here.
+
// Now we're waking...
- ioSPMTrace(IOPOWER_WAKE, * (int *) this);
// stay awake for at least 30 seconds
clock_interval_to_deadline(30, kSecondScale, &deadline);
@@ -721,10 +786,21 @@
// **********************************************************************************
void IOPMrootDomain::publishFeature( const char * feature )
{
- OSDictionary *features = (OSDictionary *)getProperty(kRootDomainSupportedFeatures);
-
- features->setObject(feature, kOSBooleanTrue);
-}
+ if(featuresDictLock) IOLockLock(featuresDictLock);
+ OSDictionary *features =
+ (OSDictionary *) getProperty(kRootDomainSupportedFeatures);
+
+ if ( features && OSDynamicCast(OSDictionary, features))
+ features = OSDictionary::withDictionary(features);
+ else
+ features = OSDictionary::withCapacity(1);
+
+ features->setObject(feature, kOSBooleanTrue);
+ setProperty(kRootDomainSupportedFeatures, features);
+ features->release();
+ if(featuresDictLock) IOLockUnlock(featuresDictLock);
+}
+
void IOPMrootDomain::unIdleDevice( IOService *theDevice, unsigned long theState )
{
@@ -734,6 +810,18 @@
void IOPMrootDomain::announcePowerSourceChange( void )
{
+ 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;
+ batt_info = (OSArray *) _batteryRegEntry->getProperty(kIOBatteryInfoKey);
+ if(batt_info)
+ setProperty(kIOBatteryInfoKey, batt_info);
+ }
+
messageClients(kIOPMMessageBatteryStatusHasChanged);
}
@@ -1085,15 +1173,11 @@
IOReturn IOPMrootDomain::changePowerStateTo ( unsigned long ordinal )
{
- ioSPMTrace(IOPOWER_ROOT, * (int *) this, (int) true, (int) ordinal);
-
return super::changePowerStateTo(ordinal);
}
IOReturn IOPMrootDomain::changePowerStateToPriv ( unsigned long ordinal )
{
- ioSPMTrace(IOPOWER_ROOT, * (int *) this, (int) false, (int) ordinal);
-
return super::changePowerStateToPriv(ordinal);
}
@@ -1270,6 +1354,36 @@
return true;
}
+//*********************************************************************************
+// 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