bool PTIDSensors::start(IOService * provider)
{
if (!super::start(provider))
return false;
acpiDevice = (IOACPIPlatformDevice *)provider;
if (!acpiDevice) {
HWSensorsFatalLog("ACPI device not ready");
return false;
}
// Update timers
clock_get_system_nanotime((clock_sec_t*)&temperatureNextUpdate.tv_sec, (clock_nsec_t*)&temperatureNextUpdate.tv_nsec);
acpiDevice->evaluateInteger("IVER", &version);
if (version == 0) {
OSString *name = OSDynamicCast(OSString, getProperty("IONameMatched"));
if (name && name->isEqualTo("INT3F0D"))
version = 0x30000;
else
return false;
}
setProperty("version", version, 64);
// Parse sensors
switch (version) {
case 0x30000: {
OSObject *object = NULL;
// Temperatures
if(kIOReturnSuccess == acpiDevice->evaluateObject("TSDL", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
if (OSIterator *iterator = OSCollectionIterator::withCollection(description)) {
HWSensorsDebugLog("Parsing temperatures...");
UInt32 count = 0;
while (OSObject *item = iterator->getNextObject()) {
parseTemperatureName(OSDynamicCast(OSString, item), count / 2);
count += 2;
}
}
}
else HWSensorsErrorLog("failed to evaluate TSDL table");
// Tachometers
if(kIOReturnSuccess == acpiDevice->evaluateObject("OSDL", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
if (OSIterator *iterator = OSCollectionIterator::withCollection(description)) {
HWSensorsDebugLog("Parsing tachometers...");
UInt32 count = 0;
while (OSObject *item = iterator->getNextObject()) {
parseTachometerName(OSDynamicCast(OSString, item), count / 3);
count += 3;
}
}
}
else HWSensorsErrorLog("failed to evaluate OSDL table");
break;
}
case 0x20001: {
OSObject *object = NULL;
// Temperatures
if(kIOReturnSuccess == acpiDevice->evaluateObject("TMPV", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
if (OSIterator *iterator = OSCollectionIterator::withCollection(description)) {
HWSensorsDebugLog("Parsing temperatures...");
UInt32 count = 0;
while (OSObject *item = iterator->getNextObject()) {
parseTemperatureName(OSDynamicCast(OSString, item), count + 1);
count += 3;
}
}
}
else HWSensorsErrorLog("failed to evaluate TMPV table");
// Tachometers
if(kIOReturnSuccess == acpiDevice->evaluateObject("OSDV", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
if (OSIterator *iterator = OSCollectionIterator::withCollection(description)) {
HWSensorsDebugLog("Parsing tachometers...");
UInt32 count = 0;
while (OSObject *item = iterator->getNextObject()) {
parseTachometerName(OSDynamicCast(OSString, item), count + 2);
count++;
}
}
}
else HWSensorsErrorLog("failed to evaluate OSDV table");
break;
}
default:
HWSensorsFatalLog("usupported interface version: 0x%x", (UInt32)version);
return false;
}
registerService();
HWSensorsInfoLog("started");
return true;
}
bool PTIDSensors::start(IOService * provider)
{
if (!super::start(provider))
return false;
acpiDevice = (IOACPIPlatformDevice *)provider;
if (!acpiDevice) {
HWSensorsFatalLog("ACPI device not ready");
return false;
}
// Update timers
temperaturesLastUpdated = ptimer_read() - NSEC_PER_SEC;
tachometersLastUpdated = temperaturesLastUpdated;
acpiDevice->evaluateInteger("IVER", &version);
if (version == 0) {
OSString *name = OSDynamicCast(OSString, provider->getProperty("name"));
if (name && name->isEqualTo("INT3F0D"))
version = 0x30000;
else
return false;
}
setProperty("version", version, 64);
// Parse sensors
switch (version) {
case 0x30000: {
OSObject *object = NULL;
// Temperatures
if(kIOReturnSuccess == acpiDevice->evaluateObject("TSDL", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
HWSensorsDebugLog("Parsing temperatures...");
for (UInt32 index = 1; index < description->getCount(); index += 2) {
parseTemperatureName(OSDynamicCast(OSString, description->getObject(index)), (index - 1) / 2);
}
}
else HWSensorsErrorLog("failed to evaluate TSDL table");
// Tachometers
if(kIOReturnSuccess == acpiDevice->evaluateObject("OSDL", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
HWSensorsDebugLog("Parsing tachometers...");
for (UInt32 index = 2; index < description->getCount(); index += 3) {
parseTachometerName(OSDynamicCast(OSString, description->getObject(index)), OSDynamicCast(OSString, description->getObject(index - 1)), (index - 2) / 3);
}
}
else HWSensorsErrorLog("failed to evaluate OSDL table");
break;
}
case 0x20001: {
OSObject *object = NULL;
// Temperatures
if(kIOReturnSuccess == acpiDevice->evaluateObject("TMPV", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
for (UInt32 index = 1; index < description->getCount(); index += 3) {
parseTemperatureName(OSDynamicCast(OSString, description->getObject(index)), index + 1);
}
}
else HWSensorsErrorLog("failed to evaluate TMPV table");
// Tachometers
if(kIOReturnSuccess == acpiDevice->evaluateObject("OSDV", &object) && object) {
OSArray *description = OSDynamicCast(OSArray, object);
for (UInt32 index = 2; index < description->getCount(); index += 4) {
parseTachometerName(OSDynamicCast(OSString, description->getObject(index)), OSDynamicCast(OSString, description->getObject(index - 1)), index + 1);
}
}
else HWSensorsErrorLog("failed to evaluate OSDV table");
break;
}
default:
HWSensorsFatalLog("usupported interface version: 0x%x", (unsigned int)version);
return false;
}
registerService();
HWSensorsInfoLog("started");
return true;
}
bool PTIDSensors::start(IOService * provider)
{
if (!super::start(provider))
return false;
acpiDevice = (IOACPIPlatformDevice *)provider;
if (!acpiDevice) {
HWSensorsFatalLog("ACPI device not ready");
return false;
}
// On some computers (eg. RehabMan's ProBook 4530s), the system will hang on startup
// if kernel cache is used, because of the early call to updateTemperatures and/or
// updateTachometers. At least that is the case with an SSD and a valid pre-linked
// kernel, along with kernel cache enabled. This 1000ms sleep seems to fix the problem,
// enabling a clean boot with PTIDSensors enabled.
IOSleep(1000);
// Update timers
temperaturesLastUpdated = ptimer_read() - NSEC_PER_SEC;
tachometersLastUpdated = temperaturesLastUpdated;
acpiDevice->evaluateInteger("IVER", &version);
if (version == 0) {
OSString *name = OSDynamicCast(OSString, provider->getProperty("name"));
if (name && name->isEqualTo("INT3F0D"))
version = 0x30000;
else
return false;
}
setProperty("version", version, 64);
// Parse sensors
switch (version) {
case 0x30000: {
OSObject *object = NULL;
// Temperatures
if(kIOReturnSuccess == acpiDevice->evaluateObject("TSDL", &object) && object) {
if (OSArray *description = OSDynamicCast(OSArray, object)) {
HWSensorsDebugLog("Parsing temperatures...");
int count = description->getCount();
for (int i = 1; i < count; i += 2) {
parseTemperatureName(OSDynamicCast(OSString, description->getObject(i)), i/2);
}
}
}
else HWSensorsErrorLog("failed to evaluate TSDL table");
// Tachometers
if(kIOReturnSuccess == acpiDevice->evaluateObject("OSDL", &object) && object) {
if (OSArray *description = OSDynamicCast(OSArray, object)) {
HWSensorsDebugLog("Parsing tachometers...");
int count = description->getCount();
for (int i = 2; i < count; i += 3) {
parseTachometerName(OSDynamicCast(OSString, description->getObject(i)), OSDynamicCast(OSString, description->getObject(i-1)), i/3);
}
}
}
else HWSensorsErrorLog("failed to evaluate OSDL table");
break;
}
case 0x20001: {
OSObject *object = NULL;
// Temperatures
if (kIOReturnSuccess == acpiDevice->evaluateObject("TMPV", &object) && object) {
if (OSArray *description = OSDynamicCast(OSArray, object)) {
HWSensorsDebugLog("Parsing temperatures...");
int count = description->getCount();
for (int i = 1; i < count; i += 3) {
parseTemperatureName(OSDynamicCast(OSString, description->getObject(i)), i+1);
}
}
}
else HWSensorsErrorLog("failed to evaluate TMPV table");
// Tachometers
if (kIOReturnSuccess == acpiDevice->evaluateObject("OSDV", &object) && object) {
if (OSArray *description = OSDynamicCast(OSArray, object)) {
HWSensorsDebugLog("Parsing tachometers...");
int count = description->getCount();
for (int i = 2; i < count; i += 4) {
parseTachometerName(OSDynamicCast(OSString, description->getObject(i)), OSDynamicCast(OSString, description->getObject(i-1)), i+1);
}
}
}
else HWSensorsErrorLog("failed to evaluate OSDV table");
break;
}
default:
HWSensorsFatalLog("usupported interface version: 0x%x", (UInt32)version);
return false;
}
registerService();
HWSensorsInfoLog("started");
return true;
}