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--- xnu/xnu-517.7.21/iokit/Kernel/IOPMrootDomain.cpp
+++ xnu/xnu-792.6.70/iokit/Kernel/IOPMrootDomain.cpp
@@ -1,5 +1,5 @@
- /*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+/*
+ * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
@@ -27,24 +27,21 @@
#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/IOHibernatePrivate.h>
+
+#ifdef __ppc__
+#include <ppc/pms.h>
+#endif
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);
@@ -87,12 +84,12 @@
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 );
}
@@ -119,6 +116,7 @@
void IOSystemShutdownNotification ( void )
{
+ IOCatalogue::disableExternalLinker();
for ( int i = 0; i < 100; i++ )
{
if ( OSCompareAndSwap( 0, 1, &gSleepOrShutdownPending ) ) break;
@@ -190,6 +188,7 @@
IOService *rootDomain = (IOService *) p0;
unsigned long pmRef = (unsigned long) p1;
+ IOHibernateSystemSleep();
sync_internal();
rootDomain->allowPowerChange(pmRef);
}
@@ -217,6 +216,7 @@
PMinit();
setProperty("IOSleepSupported","");
+
allowSleep = true;
sleepIsSupported = true;
systemBooting = true;
@@ -232,10 +232,12 @@
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);
@@ -269,8 +271,22 @@
&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();
+ }
+
+ IOHibernateSystemInit(this);
registerService(); // let clients find us
@@ -300,15 +316,21 @@
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 *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)
{
@@ -335,7 +357,28 @@
{
setProperty(stall_halt_string, b);
}
-
+
+ if ( hibernatemode_string
+ && (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);
+ }
+ if ( hibernatefreetime_string
+ && (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);
+ }
+
// Relay AutoWake setting to its controller
if( auto_wake_string
&& (n = OSDynamicCast(OSNumber, dict->getObject(auto_wake_string))) )
@@ -381,6 +424,14 @@
&& (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;
}
@@ -395,6 +446,7 @@
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;
}
@@ -527,8 +579,24 @@
// same thread.
//*********************************************************************************
+static int pmsallsetup = 0;
+
IOReturn IOPMrootDomain::setAggressiveness ( unsigned long type, unsigned long 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);
}
@@ -546,6 +614,7 @@
//kprintf("sleep demand received\n");
if ( !systemBooting && allowSleep && sleepIsSupported ) {
patriarch->sleepSystem();
+
return kIOReturnSuccess;
}
if ( !systemBooting && allowSleep && !sleepIsSupported ) {
@@ -602,14 +671,18 @@
{
// re-enable this timer for next sleep
idleSleepPending = false;
- IOLog("System Sleep\n");
+
+ IOLog("System %sSleep\n", gIOHibernateState ? "Safe" : "");
+
+ IOHibernateSystemHasSlept();
+
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);
+ IOHibernateSystemWake();
// stay awake for at least 30 seconds
clock_interval_to_deadline(30, kSecondScale, &deadline);
@@ -634,7 +707,7 @@
tellClients(kIOMessageSystemWillPowerOn);
// tell the tree we're waking
- IOLog("System Wake\n");
+ IOLog("System %sWake\n", gIOHibernateState ? "SafeSleep " : "");
systemWake();
// Allow drivers to request extra processing time before clamshell
@@ -730,10 +803,21 @@
// **********************************************************************************
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 )
{
@@ -743,14 +827,14 @@
void IOPMrootDomain::announcePowerSourceChange( void )
{
- IORegistryEntry *_batteryRegEntry = getProperty("BatteryEntry");
+ 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 = _batteryRegEntry->getProperty(kIOBatteryInfoKey);
+ batt_info = (OSArray *) _batteryRegEntry->getProperty(kIOBatteryInfoKey);
if(batt_info)
setProperty(kIOBatteryInfoKey, batt_info);
}
@@ -1051,6 +1135,7 @@
{
if ( stateNum == ON_STATE )
{
+ IOHibernateSystemPostWake();
return tellClients(kIOMessageSystemHasPoweredOn);
}
}
@@ -1106,15 +1191,11 @@
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);
}
@@ -1154,6 +1235,8 @@
// We will ack within 20 seconds
params->returnValue = 20 * 1000 * 1000;
+ if (gIOHibernateState)
+ params->returnValue += gIOHibernateFreeTime * 1000; //add in time we could spend freeing pages
if ( ! OSCompareAndSwap( 0, 1, &gSleepOrShutdownPending ) )
{
@@ -1302,14 +1385,19 @@
IOService * resourceService )
{
IORegistryEntry *battery_location;
- char battery_reg_path[255];
- int path_len = 255;
-
- battery_location = resourceService->getProperty("battery");
+
+ 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);