IOReturn LPCSensors::setPowerState(unsigned long powerState, IOService *device)
{
switch (powerState) {
// Power Off
case 0:
willPowerOff();
break;
// Power On
case 1:
// Restore fan speed after wake from sleep if it was set before
for (int index = 0; index < tachometerSensorsLimit(); index ++) {
if (tachometerControls[index].target >= 0) {
tachometerControlInit(index, tachometerControls[index].target);
}
}
hasPoweredOn();
break;
default:
break;
}
return(IOPMAckImplied);
}
void LPCSensors::hasPoweredOn()
{
// Restore fan speed after wake from sleep if it was set before
for (int index = 0; index < tachometerSensorsLimit(); index ++) {
if (tachometerControls[index].target >= 0) {
tachometerControlInit(index, tachometerControls[index].target);
}
}
// Override, but call super
}
bool SuperIOPlugin::addTachometerSensors(OSDictionary *configuration)
{
HWSensorsDebugLog("adding tachometer sensors...");
for (int i = 0; i < tachometerSensorsLimit(); i++) {
char key[7];
snprintf(key, 7, "FANIN%X", i);
if (OSString* name = OSDynamicCast(OSString, configuration->getObject(key)))
if (!addTachometer(i, (name->getLength() > 0 ? name->getCStringNoCopy() : 0)))
HWSensorsWarningLog("failed to add tachometer sensor %d", i);
}
return true;
}
bool LPCSensors::addTachometerSensors(OSDictionary *configuration)
{
HWSensorsDebugLog("adding tachometer sensors...");
char key[7];
UInt16 value = 0;
// FAN manual control key
addSensorForKey(KEY_FAN_MANUAL, SMC_TYPE_UI16, SMC_TYPE_UI16_SIZE, kLPCSensorsFanManualSwitch, 0);
int location = LEFT_LOWER_FRONT;
for (int i = 0; i < tachometerSensorsLimit(); i++) {
UInt8 fanIndex;
snprintf(key, 7, "FANIN%X", i);
if (OSString* name = OSDynamicCast(OSString, configuration->getObject(key))){
if (addTachometer(i, name->getLength() > 0 ? name->getCStringNoCopy() : 0, FAN_RPM, 0, (FanLocationType)location++, &fanIndex)){
if (isTachometerControlable(i) && fanIndex < UINT8_MAX) {
tachometerControls[i].number = fanIndex;
tachometerControls[i].target = -1;
tachometerControls[i].minimum = -1;
// Minimum RPM and fan control sensor
snprintf(key, 5, KEY_FORMAT_FAN_MIN, fanIndex);
addSensorForKey(key, SMC_TYPE_FPE2, SMC_TYPE_FPXX_SIZE, kLPCSensorsFanMinController, i);
// Maximum RPM
snprintf(key, 5, KEY_FORMAT_FAN_MAX, fanIndex);
FakeSMCKey::encodeFloatValue(kLPCSensorsMaxRPM, SMC_TYPE_FPE2, SMC_TYPE_FPXX_SIZE, &value);
setKeyValue(key, SMC_TYPE_FPE2, SMC_TYPE_FPXX_SIZE, &value);
// Target RPM and fan control sensor
snprintf(key, 5, KEY_FORMAT_FAN_TARGET, fanIndex);
addSensorForKey(key, SMC_TYPE_FPE2, SMC_TYPE_FPXX_SIZE, kLPCSensorsFanTargetController, i);
}
}
else HWSensorsWarningLog("failed to add tachometer sensor %d", i);
}
}
return true;
}
IOReturn LPCSensors::woorkloopTimerEvent(void)
{
bool active = false;
for (int index = 0; index < tachometerSensorsLimit(); index ++) {
if (tachometerControls[index].active && tachometerControlSample(index)) {
active = true;
}
}
if (active) {
timerEventSource->setTimeoutMS(kLPCSensorsControlSamplingInterval);
timerScheduled = true;
HWSensorsDebugLog("timer scheduled");
}
else {
timerScheduled = false;
}
return kIOReturnSuccess;
}
bool LPCSensors::didWriteSensorValue(FakeSMCSensor *sensor, float value)
{
if (sensor) {
switch (sensor->getGroup()) {
case kLPCSensorsFanManualSwitch:
for (int index = 0; index < tachometerSensorsLimit(); index++) {
if (isTachometerControlable(index) && !bit_get((UInt16)value, BIT(tachometerControls[index].number))) {
tachometerControlCancel(index);
tachometerControls[index].target = -1.0;
}
}
break;
case kLPCSensorsFanMinController:
if (isTachometerControlable(sensor->getIndex())) {
tachometerControls[sensor->getIndex()].minimum = value;
tachometerControlInit(sensor->getIndex(), value > tachometerControls[sensor->getIndex()].target ? value : tachometerControls[sensor->getIndex()].target);
}
break;
case kLPCSensorsFanTargetController:
if (isTachometerControlable(sensor->getIndex())) {
int manual = 0;
if (decodeIntValueForKey(KEY_FAN_MANUAL, &manual) && bit_get(manual, BIT(tachometerControls[sensor->getIndex()].number)) > 0 && value > tachometerControls[sensor->getIndex()].minimum) {
tachometerControlInit(sensor->getIndex(), value);
}
}
break;
default: return false;
}
return true;
}
return false;
}
bool SuperIOMonitor::addTachometerSensors(OSDictionary *configuration)
{
HWSensorsDebugLog("adding tachometer sensors...");
for (int i = 0; i < tachometerSensorsLimit(); i++) {
OSString* name = NULL;
char key[7];
snprintf(key, 7, "FANIN%X", i);
name = OSDynamicCast(OSString, configuration->getObject(key));
UInt64 nameLength = name ? name->getLength() : 0;
if (readTachometer(i) > 10 || nameLength > 0)
if (!addTachometer(i, (nameLength > 0 ? name->getCStringNoCopy() : 0)))
HWSensorsWarningLog("error adding tachometer sensor %d", i);
}
return true;
}