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--- xnu/xnu-792/iokit/Kernel/IOPMrootDomain.cpp
+++ xnu/xnu-517.7.21/iokit/Kernel/IOPMrootDomain.cpp
@@ -1,4 +1,4 @@
-/*
+ /*
* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
@@ -27,50 +27,24 @@
#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);
@@ -113,12 +87,12 @@
extern "C"
{
- IONotifier * registerSleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref)
+ IONotifier * registerSleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref = 0)
{
return gRootDomain->registerInterest( gIOGeneralInterest, handler, self, ref );
}
- IONotifier * registerPrioritySleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref)
+ IONotifier * registerPrioritySleepWakeInterest(IOServiceInterestHandler handler, void * self, void * ref = 0)
{
return gRootDomain->registerInterest( gIOPriorityPowerStateInterest, handler, self, ref );
}
@@ -145,7 +119,6 @@
void IOSystemShutdownNotification ( void )
{
- IOCatalogue::disableExternalLinker();
for ( int i = 0; i < 100; i++ )
{
if ( OSCompareAndSwap( 0, 1, &gSleepOrShutdownPending ) ) break;
@@ -244,7 +217,6 @@
PMinit();
setProperty("IOSleepSupported","");
-
allowSleep = true;
sleepIsSupported = true;
systemBooting = true;
@@ -260,12 +232,10 @@
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);
@@ -299,21 +269,8 @@
&batteryLocationPublished, this, this);
const OSSymbol *ucClassName = OSSymbol::withCStringNoCopy("RootDomainUserClient");
- setProperty(gIOUserClientClassKey, (OSObject *) ucClassName);
+ setProperty(gIOUserClientClassKey, (OSMetaClassBase *) 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
@@ -343,17 +300,15 @@
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 *timezone_string = OSSymbol::withCString("TimeZoneOffsetSeconds");
+ 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");
if(!dict)
{
@@ -380,8 +335,7 @@
{
setProperty(stall_halt_string, b);
}
-
-
+
// Relay AutoWake setting to its controller
if( auto_wake_string
&& (n = OSDynamicCast(OSNumber, dict->getObject(auto_wake_string))) )
@@ -427,14 +381,6 @@
&& (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;
}
@@ -449,7 +395,6 @@
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;
}
@@ -601,7 +546,6 @@
//kprintf("sleep demand received\n");
if ( !systemBooting && allowSleep && sleepIsSupported ) {
patriarch->sleepSystem();
-
return kIOReturnSuccess;
}
if ( !systemBooting && allowSleep && !sleepIsSupported ) {
@@ -658,14 +602,14 @@
{
// 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 execution here.
-
+ // code will resume exeuction here.
+
// Now we're waking...
+ ioSPMTrace(IOPOWER_WAKE, * (int *) this);
// stay awake for at least 30 seconds
clock_interval_to_deadline(30, kSecondScale, &deadline);
@@ -786,21 +730,10 @@
// **********************************************************************************
void IOPMrootDomain::publishFeature( const char * feature )
{
- 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);
-}
-
+ OSDictionary *features = (OSDictionary *)getProperty(kRootDomainSupportedFeatures);
+
+ features->setObject(feature, kOSBooleanTrue);
+}
void IOPMrootDomain::unIdleDevice( IOService *theDevice, unsigned long theState )
{
@@ -810,14 +743,14 @@
void IOPMrootDomain::announcePowerSourceChange( void )
{
- IORegistryEntry *_batteryRegEntry = (IORegistryEntry *) getProperty("BatteryEntry");
+ IORegistryEntry *_batteryRegEntry = 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);
+ batt_info = _batteryRegEntry->getProperty(kIOBatteryInfoKey);
if(batt_info)
setProperty(kIOBatteryInfoKey, batt_info);
}
@@ -1173,11 +1106,15 @@
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);
}
@@ -1365,19 +1302,14 @@
IOService * resourceService )
{
IORegistryEntry *battery_location;
-
- battery_location = (IORegistryEntry *) resourceService->getProperty("battery");
+ char battery_reg_path[255];
+ int path_len = 255;
+
+ battery_location = 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);