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iokit/Kernel/IOPMPowerSource.cpp xnu-1228 xnu-792.12.6
--- xnu/xnu-1228/iokit/Kernel/IOPMPowerSource.cpp
+++ xnu/xnu-792.12.6/iokit/Kernel/IOPMPowerSource.cpp
@@ -1,424 +1,174 @@
 /*
- * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * 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
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  */
 
 #include <IOKit/pwr_mgt/IOPMPowerSource.h>
-#include <IOKit/pwr_mgt/IOPM.h>
-#include <IOKit/IOMessage.h>
-#include <IOKit/IOLib.h>
 
-#define super IOService
+#define super OSObject
 
-OSDefineMetaClassAndStructors(IOPMPowerSource, IOService)
+OSDefineMetaClassAndStructors(IOPMPowerSource, OSObject)
 
-// *****************************************************************************
-// powerSource
+// **********************************************************************************
+// init
 //
-// Static initializer for IOPMPowerSource. Returns a new instance of the class
-// which the caller must attach to the power plane.
-// *****************************************************************************
+// **********************************************************************************
+bool IOPMPowerSource::init (unsigned short whichBatteryIndex)
+{
+  if (!super::init ())
+    return false;
 
-IOPMPowerSource *IOPMPowerSource::powerSource(void)
-{
-    IOPMPowerSource *ps = new IOPMPowerSource;    
+  bBatteryIndex = whichBatteryIndex;
+  nextInList    = 0;
 
-    if(ps) {
-        ps->init();
-        return ps;
-    }    
-    return NULL;
+  return true;
 }
 
-// *****************************************************************************
-// init
+// **********************************************************************************
+// capacityPercentRemaining
 //
-// *****************************************************************************
-bool IOPMPowerSource::init (void)
+// **********************************************************************************
+unsigned long IOPMPowerSource::capacityPercentRemaining (void)
 {
-    if (!super::init()) {
-        return false;
-    }
+   unsigned long percentage = 0;
 
-    nextInList = NULL;
+   if (bMaxCapacity > 0)
+     percentage = (bCurCapacity * 100) / bMaxCapacity;
+ 
+   // always return a non-zero value unless the real capacity IS zero.
+   if (percentage == 0 && bCurCapacity > 0)
+     percentage = 1;
 
-    properties = OSDictionary::withCapacity(10);
-    if(!properties) return false;
-    properties->setCapacityIncrement(1);
-
-    externalConnectedKey = OSSymbol::withCString(kIOPMPSExternalConnectedKey);
-    externalChargeCapableKey = OSSymbol::withCString(kIOPMPSExternalChargeCapableKey);
-    batteryInstalledKey = OSSymbol::withCString(kIOPMPSBatteryInstalledKey);
-    chargingKey = OSSymbol::withCString(kIOPMPSIsChargingKey);
-    warnLevelKey = OSSymbol::withCString(kIOPMPSAtWarnLevelKey);
-    criticalLevelKey = OSSymbol::withCString(kIOPMPSAtCriticalLevelKey);
-    currentCapacityKey = OSSymbol::withCString(kIOPMPSCurrentCapacityKey);
-    maxCapacityKey = OSSymbol::withCString(kIOPMPSMaxCapacityKey);
-    timeRemainingKey = OSSymbol::withCString(kIOPMPSTimeRemainingKey);
-    amperageKey = OSSymbol::withCString(kIOPMPSAmperageKey);
-    voltageKey = OSSymbol::withCString(kIOPMPSVoltageKey);
-    cycleCountKey = OSSymbol::withCString(kIOPMPSCycleCountKey);
-    adapterInfoKey = OSSymbol::withCString(kIOPMPSAdapterInfoKey);
-    locationKey = OSSymbol::withCString(kIOPMPSLocationKey);
-    errorConditionKey = OSSymbol::withCString(kIOPMPSErrorConditionKey);
-    manufacturerKey = OSSymbol::withCString(kIOPMPSManufacturerKey);
-    modelKey = OSSymbol::withCString(kIOPMPSModelKey);
-    serialKey = OSSymbol::withCString(kIOPMPSSerialKey);
-    batteryInfoKey = OSSymbol::withCString(kIOPMPSLegacyBatteryInfoKey);
-
-    return true;
+   return percentage;
 }
 
-// *****************************************************************************
-// free
+// **********************************************************************************
+// atWarnLevel
 //
-// *****************************************************************************
-void IOPMPowerSource::free(void)
+// **********************************************************************************
+bool IOPMPowerSource::atWarnLevel (void)
 {
-    if(properties) properties->release();
-    if(externalConnectedKey) externalConnectedKey->release();
-    if(externalChargeCapableKey) externalChargeCapableKey->release();
-    if(batteryInstalledKey) batteryInstalledKey->release();
-    if(chargingKey) chargingKey->release();
-    if(warnLevelKey) warnLevelKey->release();
-    if(criticalLevelKey) criticalLevelKey->release();
-    if(currentCapacityKey) currentCapacityKey->release();
-    if(maxCapacityKey) maxCapacityKey->release();
-    if(timeRemainingKey) timeRemainingKey->release();
-    if(amperageKey) amperageKey->release();
-    if(voltageKey) voltageKey->release();
-    if(cycleCountKey) cycleCountKey->release();
-    if(adapterInfoKey) adapterInfoKey->release();
-    if(errorConditionKey) errorConditionKey->release();
-    if(manufacturerKey) manufacturerKey->release();
-    if(modelKey) modelKey->release();
-    if(serialKey) serialKey->release();
-    if(locationKey) locationKey->release();
-    if(batteryInfoKey) batteryInfoKey->release();
+  return bFlags & kBatteryAtWarn;
 }
 
-// *****************************************************************************
+// **********************************************************************************
+// acConnected
+//
+// **********************************************************************************
+bool IOPMPowerSource::acConnected (void)
+{
+  return bFlags & kACInstalled;
+}
+
+// **********************************************************************************
+// depleted
+//
+// **********************************************************************************
+bool IOPMPowerSource::depleted (void)
+{
+  return bFlags & kBatteryDepleted;
+}
+
+// **********************************************************************************
+// isInstalled
+//
+// **********************************************************************************
+bool IOPMPowerSource::isInstalled (void)
+{
+  return bFlags & kBatteryInstalled;
+}
+
+// **********************************************************************************
+// isCharging
+//
+// **********************************************************************************
+bool IOPMPowerSource::isCharging (void)
+{
+  return bFlags & kBatteryCharging;
+}
+
+// **********************************************************************************
+// timeRemaining
+//
+// **********************************************************************************
+unsigned long IOPMPowerSource::timeRemaining (void)
+{
+  return bTimeRemaining;
+}
+
+// **********************************************************************************
+// maxCapacity
+//
+// **********************************************************************************
+unsigned long IOPMPowerSource::maxCapacity (void)
+{
+  return bMaxCapacity;
+}
+
+// **********************************************************************************
+// curCapacity
+//
+// **********************************************************************************
+unsigned long IOPMPowerSource::curCapacity (void)
+{
+  return bCurCapacity;
+}
+
+// **********************************************************************************
+// currentDrawn
+//
+// **********************************************************************************
+long IOPMPowerSource::currentDrawn (void)
+{
+  return bCurrent;
+}
+
+// **********************************************************************************
+// voltage
+//
+// **********************************************************************************
+
+unsigned long IOPMPowerSource::voltage (void)
+{
+  return bVoltage;
+}
+
+// **********************************************************************************
 // updateStatus
 //
-// Update power source state in IORegistry and message interested clients
-// notifying them of our change.
-// *****************************************************************************
+// **********************************************************************************
+
 void IOPMPowerSource::updateStatus (void)
 {
-    OSCollectionIterator            *iterator;
-    OSObject                        *iteratorKey;
-    OSObject                        *obj;
 
-    // do nothing if settings haven't changed
-    if(!settingsChangedSinceUpdate) return;
-
-    iterator = OSCollectionIterator::withCollection(properties);
-    if(!iterator) return;
-
-    while ((iteratorKey = iterator->getNextObject())) {
-        OSSymbol *key;
-    
-        key = OSDynamicCast(OSSymbol, iteratorKey);
-        if (!key) continue;
-        obj = properties->getObject(key);
-        if(!obj) continue;
-        setProperty(key, obj);
-    }
-    iterator->release();
-
-    settingsChangedSinceUpdate = false;
-
-    // And up goes the flare
-    messageClients(kIOPMMessageBatteryStatusHasChanged);
-}
-
-
-/*******************************************************************************
- *
- * PROTECTED Accessors. All the setters! Yay!
- *
- ******************************************************************************/
- 
-void IOPMPowerSource::setPSProperty(const OSSymbol *key, OSObject *val)
-{
-    OSObject    *lastVal;
-    OSNumber    *newNumVal;
-
-    if(!key || !val) return;
-
-    // Compare new setting with existing setting; update 
-    // 'settingsChangedSinceUpdate' if the setting has changed.
-    // If values are OSNumbers, do equality comparison.
-    // Otherwise, just compare pointers.
-    
-    if( (lastVal = properties->getObject(key)) ) {
-        newNumVal = OSDynamicCast(OSNumber, val);
-        if(newNumVal) {
-            if(newNumVal->isEqualTo(lastVal)) {
-                // settings didn't change
-            } else {
-                // num val is not equal to last val
-                settingsChangedSinceUpdate = true;
-            }
-        } else {
-            // pointer compare as last resort
-            if(lastVal != val)
-                settingsChangedSinceUpdate = true;        
-        }
-    } else {
-        // new setting; no last value
-        settingsChangedSinceUpdate = true;
-    }
-    
-    // here's the part where we go crazy.
-    properties->setObject(key, val);
-}
-
-
- 
-void IOPMPowerSource::setExternalConnected(bool b) {
-    setPSProperty(externalConnectedKey,
-            b ? kOSBooleanTrue : kOSBooleanFalse);    
-}
-
-void IOPMPowerSource::setExternalChargeCapable(bool b) {
-    setPSProperty(externalChargeCapableKey,
-            b ? kOSBooleanTrue : kOSBooleanFalse);    
-}
-
-void IOPMPowerSource::setBatteryInstalled(bool b) {
-    setPSProperty(batteryInstalledKey,
-            b ? kOSBooleanTrue : kOSBooleanFalse);    
-}
-
-void IOPMPowerSource::setIsCharging(bool b) {
-    setPSProperty(chargingKey,
-            b ? kOSBooleanTrue : kOSBooleanFalse);    
-}
-
-void IOPMPowerSource::setAtWarnLevel(bool b) {
-    setPSProperty(warnLevelKey,
-            b ? kOSBooleanTrue : kOSBooleanFalse);    
-}
-
-void IOPMPowerSource::setAtCriticalLevel(bool b) {
-    setPSProperty(criticalLevelKey,
-            b ? kOSBooleanTrue : kOSBooleanFalse);    
-}
-
-
-void IOPMPowerSource::setCurrentCapacity(unsigned int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(currentCapacityKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setMaxCapacity(unsigned int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(maxCapacityKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setTimeRemaining(int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(timeRemainingKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setAmperage(int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(amperageKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setVoltage(unsigned int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(voltageKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setCycleCount(unsigned int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(cycleCountKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setAdapterInfo(int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(adapterInfoKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setLocation(int val) {
-    OSNumber *n = OSNumber::withNumber(val, 32);
-    setPSProperty(locationKey, n);
-    n->release();
-}
-
-void IOPMPowerSource::setErrorCondition(OSSymbol *s) {
-    setPSProperty(errorConditionKey, s);
-}
-
-void IOPMPowerSource::setManufacturer(OSSymbol *s) {
-    setPSProperty(manufacturerKey, s);
-}
-
-void IOPMPowerSource::setModel(OSSymbol *s) {
-    setPSProperty(modelKey, s);
-}
-
-void IOPMPowerSource::setSerial(OSSymbol *s) {
-    setPSProperty(serialKey, s);
-}
-
-void IOPMPowerSource::setLegacyIOBatteryInfo(OSDictionary *d) {
-    setPSProperty(batteryInfoKey, d);
 }
 
 
 
 
-/*******************************************************************************
- *
- * PUBLIC Accessors. All the getters! Boo!
- *
- ******************************************************************************/
 
-OSObject *IOPMPowerSource::getPSProperty(const OSSymbol *symmie) {
-    if(!symmie) return NULL;
-    return properties->getObject(symmie);
-}
-
-bool IOPMPowerSource::externalConnected(void) {
-    return (kOSBooleanTrue == properties->getObject(externalConnectedKey));
-}
-
-bool IOPMPowerSource::externalChargeCapable(void) {
-    return (kOSBooleanTrue == properties->getObject(externalChargeCapableKey));
-}
-
-bool IOPMPowerSource::batteryInstalled(void) {
-    return (kOSBooleanTrue == properties->getObject(batteryInstalledKey));
-}
-
-bool IOPMPowerSource::isCharging(void) {
-    return (kOSBooleanTrue == properties->getObject(chargingKey));
-}
-
-bool IOPMPowerSource::atWarnLevel(void) {
-    return (kOSBooleanTrue == properties->getObject(warnLevelKey));
-}
-
-bool IOPMPowerSource::atCriticalLevel(void) {
-    return (kOSBooleanTrue == properties->getObject(criticalLevelKey));
-}
-
-unsigned int IOPMPowerSource::currentCapacity(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(currentCapacityKey));
-    if(!n) return 0;
-    else return (unsigned int)n->unsigned32BitValue();
-}
-
-unsigned int IOPMPowerSource::maxCapacity(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(maxCapacityKey));
-    if(!n) return 0;
-    else return (unsigned int)n->unsigned32BitValue();
-}
-
-unsigned int IOPMPowerSource::capacityPercentRemaining(void) 
-{
-    unsigned int _currentCapacity = currentCapacity();
-    unsigned int _maxCapacity = maxCapacity();
-    if(0 == _maxCapacity) {
-        return 0;
-    } else {
-        return ((100*_currentCapacity) / _maxCapacity);
-    }
-}
-
-int IOPMPowerSource::timeRemaining(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(timeRemainingKey));
-    if(!n) return 0;
-    else return (int)n->unsigned32BitValue();
-}
-
-int IOPMPowerSource::amperage(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(amperageKey));
-    if(!n) return 0;
-    else return (int)n->unsigned32BitValue();
-}
-
-unsigned int IOPMPowerSource::voltage(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(voltageKey));
-    if(!n) return 0;
-    else return (unsigned int)n->unsigned32BitValue();
-}
-
-unsigned int IOPMPowerSource::cycleCount(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(cycleCountKey));
-    if(!n) return 0;
-    else return (unsigned int)n->unsigned32BitValue();
-}
-
-int IOPMPowerSource::adapterInfo(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(adapterInfoKey));
-    if(!n) return 0;
-    else return (int)n->unsigned32BitValue();
-}
-
-int IOPMPowerSource::location(void) {
-    OSNumber        *n;
-    n = OSDynamicCast(OSNumber, properties->getObject(locationKey));
-    if(!n) return 0;
-    else return (unsigned int)n->unsigned32BitValue();
-}
-
-OSSymbol *IOPMPowerSource::errorCondition(void) {
-    return OSDynamicCast(OSSymbol, properties->getObject(errorConditionKey));
-}
-
-OSSymbol *IOPMPowerSource::manufacturer(void) {
-    return OSDynamicCast(OSSymbol, properties->getObject(manufacturerKey));
-}
-
-OSSymbol *IOPMPowerSource::model(void) {
-    return OSDynamicCast(OSSymbol, properties->getObject(modelKey));
-}
-
-OSSymbol *IOPMPowerSource::serial(void) {
-    return OSDynamicCast(OSSymbol, properties->getObject(serialKey));
-}
-
-OSDictionary *IOPMPowerSource::legacyIOBatteryInfo(void) {
-    return OSDynamicCast(OSDictionary, properties->getObject(batteryInfoKey));
-}