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Add sensors for Astral GPUs (#2168)

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* Add sensors for Astral GPUs

* Clean up imports

* Code clean-up

---------

Co-authored-by: PhyxionNL <7643972+PhyxionNL@users.noreply.github.com>
This commit is contained in:
Timotej
2026-01-22 10:00:23 +01:00
committed by GitHub
co-authored by PhyxionNL
parent 24218b0703
commit 6f9ac5aece
2 changed files with 171 additions and 0 deletions
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LibreHardwareMonitorLib/Hardware/Gpu/NvidiaGpu.cs
+136
View File
@@ -45,6 +45,21 @@ internal sealed class NvidiaGpu : GenericGpu
private readonly Sensor _coreVoltage;
private readonly Sensor[] _temperatures;
private readonly uint _thermalSensorsMask;
private readonly Sensor[] _12VHPwrPinCurrentSensors;
private readonly Sensor[] _12VHPwrPinVoltageSensors;
private readonly Sensor[] _12VHPwrPinPowerSensors;
private readonly Sensor _12VHPwrConnectorPowerSensor;
private readonly Sensor _12VHPwrConnectorCurrentSensor;
// ASUS Astral subsystem IDs for 12VHPwr pin monitoring
private static readonly uint[] AstralSubSystemIds =
[
0x89EA1043, // Astral 5090D OC
0x8A611043, // Astral 5090 Matrix
0x89EC1043, // Astral 5090 LC
0x89E31043, // Astral 5090 OC
0x89DE1043, // Astral 5080 OC
];
public NvidiaGpu(int adapterIndex, NvApi.NvPhysicalGpuHandle handle, NvApi.NvDisplayHandle? displayHandle, ISettings settings)
: base(GetName(handle),
@@ -434,6 +449,58 @@ internal sealed class NvidiaGpu : GenericGpu
_memoryTotal = new Sensor("GPU Memory Total", 2, SensorType.SmallData, this, settings);
_memoryLoad = new Sensor("GPU Memory", 3, SensorType.Load, this, settings);
// Pin power sensors for NVIDIA RTX Astral series from ASUS
if (NvApi.NvAPI_I2CReadEx != null && NvApi.NvAPI_GPU_GetPCIIdentifiers != null)
{
NvApi.NvStatus pciIdentifierStatus = NvApi.NvAPI_GPU_GetPCIIdentifiers(_handle, out _, out uint subSystemId, out _, out _);
if (pciIdentifierStatus == NvApi.NvStatus.OK && AstralSubSystemIds.Contains(subSystemId))
{
_12VHPwrPinVoltageSensors =
[
new Sensor("12VHPWR Pin 1", 0, SensorType.Voltage, this, settings),
new Sensor("12VHPWR Pin 2", 1, SensorType.Voltage, this, settings),
new Sensor("12VHPWR Pin 3", 2, SensorType.Voltage, this, settings),
new Sensor("12VHPWR Pin 4", 3, SensorType.Voltage, this, settings),
new Sensor("12VHPWR Pin 5", 4, SensorType.Voltage, this, settings),
new Sensor("12VHPWR Pin 6", 5, SensorType.Voltage, this, settings),
];
_12VHPwrPinCurrentSensors =
[
new Sensor("12VHPWR Pin 1", 1, SensorType.Current, this, settings),
new Sensor("12VHPWR Pin 2", 2, SensorType.Current, this, settings),
new Sensor("12VHPWR Pin 3", 3, SensorType.Current, this, settings),
new Sensor("12VHPWR Pin 4", 4, SensorType.Current, this, settings),
new Sensor("12VHPWR Pin 5", 5, SensorType.Current, this, settings),
new Sensor("12VHPWR Pin 6", 6, SensorType.Current, this, settings),
];
_12VHPwrPinPowerSensors =
[
new Sensor("12VHPWR Pin 1", 2, SensorType.Power, this, settings),
new Sensor("12VHPWR Pin 2", 3, SensorType.Power, this, settings),
new Sensor("12VHPWR Pin 3", 4, SensorType.Power, this, settings),
new Sensor("12VHPWR Pin 4", 5, SensorType.Power, this, settings),
new Sensor("12VHPWR Pin 5", 6, SensorType.Power, this, settings),
new Sensor("12VHPWR Pin 6", 7, SensorType.Power, this, settings),
];
foreach (Sensor sensor in _12VHPwrPinVoltageSensors)
ActivateSensor(sensor);
foreach (Sensor sensor in _12VHPwrPinCurrentSensors)
ActivateSensor(sensor);
foreach (Sensor sensor in _12VHPwrPinPowerSensors)
ActivateSensor(sensor);
_12VHPwrConnectorPowerSensor = new Sensor("12VHPWR Connector", 1, SensorType.Power, this, settings);
_12VHPwrConnectorCurrentSensor = new Sensor("12VHPWR Connector", 0, SensorType.Current, this, settings);
ActivateSensor(_12VHPwrConnectorPowerSensor);
ActivateSensor(_12VHPwrConnectorCurrentSensor);
}
}
Update();
}
@@ -681,6 +748,75 @@ internal sealed class NvidiaGpu : GenericGpu
ActivateSensor(_pcieThroughputTx);
}
}
// Astral specific
if (_12VHPwrPinCurrentSensors is { Length: > 0 } && TryReadAstral12VHPwrPinSensors(out ushort[] pinSensorValues))
{
float connectorCurrent = 0;
float connectorPower = 0;
for (int i = 0; i < 6; i++)
{
float current = pinSensorValues[i * 2] / 1000f;
float voltage = pinSensorValues[i * 2 + 1] / 1000f;
_12VHPwrPinVoltageSensors[i].Value = voltage;
_12VHPwrPinCurrentSensors[i].Value = current;
_12VHPwrPinPowerSensors[i].Value = voltage * current;
connectorCurrent += current;
connectorPower += voltage * current;
}
_12VHPwrConnectorCurrentSensor.Value = connectorCurrent;
_12VHPwrConnectorPowerSensor.Value = connectorPower;
}
}
private bool TryReadAstral12VHPwrPinSensors(out ushort[] data)
{
data = null;
if (NvApi.NvAPI_I2CReadEx == null)
return false;
byte[] dataBuffer = new byte[24];
byte[] regAddress = [0x80];
unsafe
{
fixed (byte* pData = dataBuffer)
fixed (byte* pRegAddr = regAddress)
{
NvApi.NvI2CInfo i2cInfo = new()
{
Version = (uint)NvApi.MAKE_NVAPI_VERSION<NvApi.NvI2CInfo>(3),
DisplayMask = 0,
IsDDCPort = 0,
I2CDevAddress = 0x2B << 1,
I2CRegAddress = (IntPtr)pRegAddr,
RegAddrSize = 1,
Data = (IntPtr)pData,
Size = 24,
I2CSpeed = NvApi.NVAPI_I2C_SPEED_DEPRECATED,
I2CSpeedKhz = NvApi.NvI2CSpeed.Speed100Khz,
PortId = 0x1,
IsPortIdSet = 1
};
uint readData = 0;
if (NvApi.NvAPI_I2CReadEx(_handle, ref i2cInfo, ref readData) != NvApi.NvStatus.OK)
return false;
}
}
// Parse 12 x u16 big-endian (as mV and mA) values in reverse order
data = new ushort[12];
for (int i = 0; i < 12; i++)
{
int pinIndex = 11 - i;
data[i] = (ushort)((dataBuffer[pinIndex * 2] << 8) | dataBuffer[pinIndex * 2 + 1]);
}
return true;
}
public override string GetReport()