moel@14: /*
moel@14:   
moel@14:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@14: 
moel@14:   The contents of this file are subject to the Mozilla Public License Version
moel@14:   1.1 (the "License"); you may not use this file except in compliance with
moel@14:   the License. You may obtain a copy of the License at
moel@14:  
moel@14:   http://www.mozilla.org/MPL/
moel@14: 
moel@14:   Software distributed under the License is distributed on an "AS IS" basis,
moel@14:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@14:   for the specific language governing rights and limitations under the License.
moel@14: 
moel@14:   The Original Code is the Open Hardware Monitor code.
moel@14: 
moel@14:   The Initial Developer of the Original Code is 
moel@14:   Michael Möller <m.moeller@gmx.ch>.
moel@14:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@14:   the Initial Developer. All Rights Reserved.
moel@14: 
moel@14:   Contributor(s):
moel@14: 
moel@14:   Alternatively, the contents of this file may be used under the terms of
moel@14:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@14:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@14:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@14:   of those above. If you wish to allow use of your version of this file only
moel@14:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@14:   use your version of this file under the terms of the MPL, indicate your
moel@14:   decision by deleting the provisions above and replace them with the notice
moel@14:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@14:   the provisions above, a recipient may use your version of this file under
moel@14:   the terms of any one of the MPL, the GPL or the LGPL.
moel@14:  
moel@14: */
moel@14: 
moel@14: using System;
moel@14: using System.Collections.Generic;
moel@14: using System.Drawing;
moel@24: using System.Diagnostics;
moel@14: using System.Text;
moel@14: 
moel@14: 
moel@14: namespace OpenHardwareMonitor.Hardware.CPU {
moel@14:   public class AMD0FCPU : IHardware {
moel@14: 
moel@14:     private string name;
moel@14:     private Image icon;
moel@14: 
moel@14:     private uint pciAddress;
moel@14: 
moel@14:     private Sensor[] coreTemperatures;
moel@24:     private float offset;
moel@14: 
moel@24:     private Sensor totalLoad;
moel@24:     private Sensor[] coreLoads;
moel@24: 
moel@24:     private List<ISensor> active = new List<ISensor>();
moel@24: 
moel@24:     private PerformanceCounter totalLoadCounter;
moel@24:     private PerformanceCounter[] coreLoadCounters;
moel@14: 
moel@14:     private const ushort PCI_AMD_VENDOR_ID = 0x1022;
moel@14:     private const ushort PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID = 0x1103;
moel@14:     private const uint THERMTRIP_STATUS_REGISTER = 0xE4;
moel@14:     private const byte THERM_SENSE_CORE_SEL_CPU0 = 0x2;
moel@14:     private const byte THERM_SENSE_CORE_SEL_CPU1 = 0x0;
moel@14: 
moel@14:     public AMD0FCPU(string name, uint family, uint model, uint stepping, 
moel@14:       uint[,] cpuidData, uint[,] cpuidExtData) {
moel@14:       
moel@14:       this.name = name;
moel@14:       this.icon = Utilities.EmbeddedResources.GetImage("cpu.png");     
moel@14: 
moel@14:       uint coreCount = 1;
moel@14:       if (cpuidExtData.GetLength(0) > 8)
moel@14:         coreCount = (cpuidExtData[8, 2] & 0xFF) + 1;
moel@14: 
moel@14:       // max two cores
moel@14:       coreCount = coreCount > 2 ? 2 : coreCount;
moel@14: 
moel@25:       try {
moel@25:         totalLoadCounter = new PerformanceCounter();
moel@25:         totalLoadCounter.CategoryName = "Processor";
moel@25:         totalLoadCounter.CounterName = "% Processor Time";
moel@25:         totalLoadCounter.InstanceName = "_Total";
moel@25:         totalLoadCounter.NextValue();
moel@25:       } catch (Exception) {
moel@25:         totalLoadCounter = null;
moel@25:       }
moel@24:       totalLoad = new Sensor("CPU Total", 0, SensorType.Load, this);
moel@24: 
moel@24:       coreLoadCounters = new PerformanceCounter[coreCount];
moel@24:       coreLoads = new Sensor[coreCount];
moel@24:       for (int i = 0; i < coreLoadCounters.Length; i++) {
moel@25:         try {
moel@25:           coreLoadCounters[i] = new PerformanceCounter();
moel@25:           coreLoadCounters[i].CategoryName = "Processor";
moel@25:           coreLoadCounters[i].CounterName = "% Processor Time";
moel@25:           coreLoadCounters[i].InstanceName = i.ToString();
moel@25:           coreLoadCounters[i].NextValue();
moel@25:         } catch (Exception) {
moel@25:           coreLoadCounters[i] = null;
moel@25:         }
moel@24:         coreLoads[i] = new Sensor("Core #" + (i + 1), i + 1,
moel@24:           SensorType.Load, this);
moel@24:       }        
moel@24: 
moel@14:       coreTemperatures = new Sensor[coreCount];
moel@14:       for (int i = 0; i < coreCount; i++)
moel@14:         coreTemperatures[i] = 
moel@14:           new Sensor("Core #" + (i + 1), i, SensorType.Temperature, this);
moel@14: 
moel@14:       pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
moel@14:         PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID, 0);
moel@14: 
moel@14:       offset = -49.0f;
moel@14: 
moel@14:       // AM2+ 65nm +21 offset
moel@14:       if (model >= 0x69 && model != 0xc1 && model != 0x6c && model != 0x7c) 
moel@14:         offset += 21;
moel@14: 
moel@14:       Update();                   
moel@14:     }
moel@14: 
moel@14:     public string Name {
moel@14:       get { return name; }
moel@14:     }
moel@14: 
moel@14:     public string Identifier {
moel@14:       get { return "/amdcpu/0"; }
moel@14:     }
moel@14: 
moel@14:     public Image Icon {
moel@14:       get { return icon; }
moel@14:     }
moel@14: 
moel@14:     public ISensor[] Sensors {
moel@24:       get { return active.ToArray(); }
moel@14:     }
moel@14: 
moel@14:     public string GetReport() {
moel@14:       return null;
moel@14:     }
moel@14: 
moel@14:     public void Update() {
moel@14:       if (pciAddress == 0xFFFFFFFF)
moel@14:         return;
moel@14: 
moel@14:       for (uint i = 0; i < coreTemperatures.Length; i++) {
moel@14:         if (WinRing0.WritePciConfigDwordEx(
moel@14:           pciAddress, THERMTRIP_STATUS_REGISTER,
moel@14:           i > 0 ? THERM_SENSE_CORE_SEL_CPU1 : THERM_SENSE_CORE_SEL_CPU0)) {
moel@14:           uint value;
moel@14:           if (WinRing0.ReadPciConfigDwordEx(
moel@24:             pciAddress, THERMTRIP_STATUS_REGISTER, out value)) {
moel@24:             coreTemperatures[i].Value = ((value >> 16) & 0xFF) + offset;
moel@24:             ActivateSensor(coreTemperatures[i]);
moel@24:           } else {
moel@24:             DeactivateSensor(coreTemperatures[i]);
moel@24:           }
moel@14:         }
moel@24:       }
moel@24: 
moel@25:       if (totalLoadCounter != null) {
moel@25:         totalLoad.Value = totalLoadCounter.NextValue();
moel@25:         ActivateSensor(totalLoad);
moel@25:       }
moel@24: 
moel@25:       for (int i = 0; i < coreLoads.Length; i++)
moel@25:         if (coreLoadCounters[i] != null) {
moel@25:           coreLoads[i].Value = coreLoadCounters[i].NextValue();
moel@25:           ActivateSensor(coreLoads[i]);
moel@25:         }
moel@14:     }
moel@14: 
moel@24:     private void ActivateSensor(Sensor sensor) {
moel@24:       if (!active.Contains(sensor)) {
moel@24:         active.Add(sensor);
moel@24:         if (SensorAdded != null)
moel@24:           SensorAdded(sensor);
moel@24:       }
moel@24:     }
moel@24: 
moel@24:     private void DeactivateSensor(Sensor sensor) {
moel@24:       if (active.Contains(sensor)) {
moel@24:         active.Remove(sensor);
moel@24:         if (SensorRemoved != null)
moel@24:           SensorRemoved(sensor);
moel@24:       }
moel@24:     }
moel@24: 
moel@14:     public event SensorEventHandler SensorAdded;
moel@14:     public event SensorEventHandler SensorRemoved;
moel@14: 
moel@14:   }
moel@14: }