bool SuperIOMonitor::getLogicalDeviceAddress(UInt8 reg)
{
address = listenPortWord(reg);
if (address < 0x100 || (address & 0xF007) != 0)
return false;
IOSleep(250);
if (address != listenPortWord(reg))
return false;
return true;
}
bool IT87x::probePort()
{
UInt16 id = listenPortWord(SUPERIO_CHIP_ID_REGISTER);
if (id == 0 || id == 0xffff)
return false;
switch (id)
{
case IT8512F:
case IT8712F:
case IT8716F:
case IT8718F:
case IT8720F:
case IT8721F:
case IT8726F:
case IT8728F:
case IT8752F:
model = id;
break;
default:
WarningLog("found unsupported chip ID=0x%x", id);
return false;
}
selectLogicalDevice(ITE_ENVIRONMENT_CONTROLLER_LDN);
if (!getLogicalDeviceAddress())
return false;
bool* valid;
UInt8 vendor = readByte(ITE_VENDOR_ID_REGISTER, valid);
if (!valid || vendor != ITE_VENDOR_ID)
return false;
if ((readByte(ITE_CONFIGURATION_REGISTER, valid) & 0x10) == 0)
return false;
if (!valid)
return false;
return true;
}
bool IT87x::probePort()
{
UInt16 id = listenPortWord(SUPERIO_CHIP_ID_REGISTER);
if (id == 0 || id == 0xffff) {
DebugLog("invalid super I/O chip ID=0x%x", id);
return false;
}
hasSmartGuardian = false;
switch (id)
{
case IT8512F:
case IT8712F:
case IT8716F:
case IT8718F:
case IT8720F:
case IT8721F:
case IT8726F:
case IT8728F:
case IT8752F:
case IT8772E:
model = id;
break;
default:
DebugLog("found unsupported chip ID=0x%x", id);
return false;
}
selectLogicalDevice(ITE_ENVIRONMENT_CONTROLLER_LDN);
IOSleep(50);
if (!getLogicalDeviceAddress()) {
DebugLog("can't get monitoring LDN address");
return false;
}
UInt8 vendor16 = readByte(address, ITE_VENDOR_ID_REGISTER);
if (vendor16 != ITE_VENDOR_ID) {
DebugLog("invalid vendor ID=0x%x", vendor16);
return false;
}
if ((readByte(address, ITE_CONFIGURATION_REGISTER) & 0x10) == 0) {
DebugLog("invalid configuration register value");
return false;
}
if (id == IT8721F || id == IT8728F || id == IT8772E)
voltageGain = 12;
else
voltageGain = 16;
UInt8 version = readByte(address, ITE_VERSION_REGISTER) & 0x0F;
if (id == IT8712F && version < 8)
has16bitFanCounter = false;
else
has16bitFanCounter = true;
return true;
}
