moel@1: /*
moel@1:   
moel@1:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@1: 
moel@1:   The contents of this file are subject to the Mozilla Public License Version
moel@1:   1.1 (the "License"); you may not use this file except in compliance with
moel@1:   the License. You may obtain a copy of the License at
moel@1:  
moel@1:   http://www.mozilla.org/MPL/
moel@1: 
moel@1:   Software distributed under the License is distributed on an "AS IS" basis,
moel@1:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@1:   for the specific language governing rights and limitations under the License.
moel@1: 
moel@1:   The Original Code is the Open Hardware Monitor code.
moel@1: 
moel@1:   The Initial Developer of the Original Code is 
moel@1:   Michael Möller <m.moeller@gmx.ch>.
moel@1:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@1:   the Initial Developer. All Rights Reserved.
moel@1: 
moel@1:   Contributor(s):
moel@1: 
moel@1:   Alternatively, the contents of this file may be used under the terms of
moel@1:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@1:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@1:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@1:   of those above. If you wish to allow use of your version of this file only
moel@1:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@1:   use your version of this file under the terms of the MPL, indicate your
moel@1:   decision by deleting the provisions above and replace them with the notice
moel@1:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@1:   the provisions above, a recipient may use your version of this file under
moel@1:   the terms of any one of the MPL, the GPL or the LGPL.
moel@1:  
moel@1: */
moel@1: 
moel@1: using System;
moel@1: using System.Collections.Generic;
moel@1: using System.Drawing;
moel@1: 
moel@1: namespace OpenHardwareMonitor.Hardware.Nvidia {
moel@38:   public class NvidiaGPU : Hardware, IHardware {
moel@1: 
moel@1:     private string name;
moel@1:     private Image icon;
moel@1:     private int adapterIndex;
moel@1:     private NvPhysicalGpuHandle handle;
moel@1: 
moel@1:     private Sensor[] temperatures;
moel@38:     private Sensor fan = null;
moel@38: 
moel@38:     private bool available;
moel@1: 
moel@1:     public NvidiaGPU(int adapterIndex, NvPhysicalGpuHandle handle) {
moel@1:       try {
moel@1:         string gpuName;
moel@38:         if (NVAPI.NvAPI_GPU_GetFullName(handle, out gpuName) == NvStatus.OK) {
moel@38:           this.name = "NVIDIA " + gpuName.Trim();
moel@38:         } else {
moel@38:           this.name = "NVIDIA";
moel@38:         }
moel@1:         this.icon = Utilities.EmbeddedResources.GetImage("nvidia.png");
moel@1:         this.adapterIndex = adapterIndex;
moel@1:         this.handle = handle;
moel@1: 
moel@1:         NvGPUThermalSettings settings = GetThermalSettings();
moel@1:         temperatures = new Sensor[settings.Count];
moel@1:         for (int i = 0; i < temperatures.Length; i++) {
moel@1:           NvSensor sensor = settings.Sensor[i];
moel@1:           string name;
moel@1:           switch (sensor.Target) {
moel@1:             case NvThermalTarget.BOARD: name = "GPU Board"; break;
moel@1:             case NvThermalTarget.GPU: name = "GPU Core"; break;
moel@1:             case NvThermalTarget.MEMORY: name = "GPU Memory"; break;
moel@1:             case NvThermalTarget.POWER_SUPPLY: name = "GPU Power Supply"; break;
moel@1:             case NvThermalTarget.UNKNOWN: name = "GPU Unknown"; break;
moel@1:             default: name = "GPU"; break;
moel@1:           }
moel@1:           temperatures[i] = new Sensor(name, i, sensor.DefaultMaxTemp, 
moel@1:             SensorType.Temperature, this);
moel@38:           ActivateSensor(temperatures[i]);
moel@1:         }
moel@38:         
moel@38:         int value;
moel@38:         if (NVAPI.NvAPI_GPU_GetTachReading != null &&
moel@38:           NVAPI.NvAPI_GPU_GetTachReading(handle, out value) == NvStatus.OK) {
moel@38:           if (value > 0) {
moel@38:             fan = new Sensor("GPU", 0, SensorType.Fan, this);
moel@38:             ActivateSensor(fan);
moel@38:           }
moel@38:         }
moel@38: 
moel@38:         available = temperatures.Length > 0 || fan != null;
moel@1:       } catch (Exception e) {
moel@1:         System.Windows.Forms.MessageBox.Show(e.Message + "\n" + e.StackTrace);
moel@1:       }
moel@1:     }
moel@1: 
moel@38:     public bool IsAvailable {
moel@38:       get { return available; }
moel@38:     }
moel@38: 
moel@1:     public string Name {
moel@1:       get { return name; }
moel@1:     }
moel@1: 
moel@1:     public string Identifier {
moel@1:       get { return "/nvidiagpu/" + adapterIndex; }
moel@1:     }
moel@1: 
moel@1:     public Image Icon {
moel@1:       get { return icon; }
moel@1:     }
moel@1: 
moel@1:     public string GetReport() {
moel@1:       return null;
moel@1:     }
moel@1: 
moel@1:     private NvGPUThermalSettings GetThermalSettings() {
moel@1:       NvGPUThermalSettings settings = new NvGPUThermalSettings();
moel@1:       settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;
moel@1:       settings.Count = NVAPI.MAX_THERMAL_SENSORS_PER_GPU;
moel@1:       settings.Sensor = new NvSensor[NVAPI.MAX_THERMAL_SENSORS_PER_GPU];
moel@38:       if (NVAPI.NvAPI_GPU_GetThermalSettings(handle, (int)NvThermalTarget.ALL,
moel@38:         ref settings) != NvStatus.OK) {
moel@38:         settings.Count = 0;        
moel@38:       }
moel@1:       return settings;
moel@1:     }
moel@1: 
moel@1:     public void Update() {
moel@1:       NvGPUThermalSettings settings = GetThermalSettings();
moel@1:       foreach (Sensor sensor in temperatures) 
moel@38:         sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
moel@38: 
moel@38:       if (fan != null) {
moel@38:         int value = 0;
moel@38:         NVAPI.NvAPI_GPU_GetTachReading(handle, out value);
moel@38:         fan.Value = value;
moel@38:       }
moel@1:     }
moel@1:   }
moel@1: }