Hardware/CPU/AMD10CPU.cs
author moel.mich
Tue, 07 Sep 2010 22:15:02 +0000
changeset 181 9901dbb25f18
parent 165 813d8bc3192f
child 191 6545fa3ae298
permissions -rw-r--r--
Improved the gadget formatting and added an option to remove the hardware names in the gadget.
     1 /*
     2   
     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1
     4 
     5   The contents of this file are subject to the Mozilla Public License Version
     6   1.1 (the "License"); you may not use this file except in compliance with
     7   the License. You may obtain a copy of the License at
     8  
     9   http://www.mozilla.org/MPL/
    10 
    11   Software distributed under the License is distributed on an "AS IS" basis,
    12   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
    13   for the specific language governing rights and limitations under the License.
    14 
    15   The Original Code is the Open Hardware Monitor code.
    16 
    17   The Initial Developer of the Original Code is 
    18   Michael Möller <m.moeller@gmx.ch>.
    19   Portions created by the Initial Developer are Copyright (C) 2009-2010
    20   the Initial Developer. All Rights Reserved.
    21 
    22   Contributor(s):
    23 
    24   Alternatively, the contents of this file may be used under the terms of
    25   either the GNU General Public License Version 2 or later (the "GPL"), or
    26   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
    27   in which case the provisions of the GPL or the LGPL are applicable instead
    28   of those above. If you wish to allow use of your version of this file only
    29   under the terms of either the GPL or the LGPL, and not to allow others to
    30   use your version of this file under the terms of the MPL, indicate your
    31   decision by deleting the provisions above and replace them with the notice
    32   and other provisions required by the GPL or the LGPL. If you do not delete
    33   the provisions above, a recipient may use your version of this file under
    34   the terms of any one of the MPL, the GPL or the LGPL.
    35  
    36 */
    37 
    38 using System;
    39 using System.Collections.Generic;
    40 using System.Globalization;
    41 using System.Diagnostics;
    42 using System.Text;
    43 
    44 namespace OpenHardwareMonitor.Hardware.CPU {
    45 
    46   internal sealed class AMD10CPU : Hardware, IHardware {
    47     private string name;
    48 
    49     private int processorIndex;
    50     private uint pciAddress;
    51 
    52     private Sensor coreTemperature;
    53     private Sensor totalLoad;
    54     private Sensor[] coreLoads;
    55 
    56     private CPULoad cpuLoad;
    57 
    58     private const ushort PCI_AMD_VENDOR_ID = 0x1022;
    59     private const ushort PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID = 0x1203;
    60     private const ushort PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID = 0x1303;
    61     private const uint REPORTED_TEMPERATURE_CONTROL_REGISTER = 0xA4;
    62 
    63     public AMD10CPU(int processorIndex, CPUID[][] cpuid, ISettings settings) {
    64 
    65       this.processorIndex = processorIndex;
    66       this.name = cpuid[0][0].Name;
    67 
    68       int coreCount = cpuid.Length;
    69 
    70       totalLoad = new Sensor("CPU Total", 0, SensorType.Load, this, settings);
    71 
    72       coreLoads = new Sensor[coreCount];
    73       for (int i = 0; i < coreCount; i++) 
    74         coreLoads[i] = new Sensor("Core #" + (i + 1), i + 1,
    75           SensorType.Load, this, settings);
    76 
    77       cpuLoad = new CPULoad(cpuid);
    78       if (cpuLoad.IsAvailable) {
    79         foreach (Sensor sensor in coreLoads)
    80           ActivateSensor(sensor);
    81         ActivateSensor(totalLoad);
    82       }    
    83       
    84       // AMD family 10h processors support only one temperature sensor
    85       coreTemperature = new Sensor(
    86         "Core" + (coreCount > 1 ? " #1 - #" + coreCount : ""), 0,
    87         SensorType.Temperature, this, new ParameterDescription[] {
    88             new ParameterDescription("Offset [°C]", "Temperature offset.", 0)
    89           }, settings);
    90 
    91       pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
    92         PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
    93       if (pciAddress == 0xFFFFFFFF) 
    94         pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
    95           PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
    96 
    97       Update();                   
    98     }
    99 
   100     public override string Name {
   101       get { return name; }
   102     }
   103 
   104     public override Identifier Identifier {
   105       get { 
   106         return new Identifier("amdcpu", 
   107           processorIndex.ToString(CultureInfo.InvariantCulture)); 
   108       }
   109     }
   110 
   111     public override HardwareType HardwareType {
   112       get { return HardwareType.CPU; }
   113     }
   114 
   115     public override void Update() {
   116       if (pciAddress != 0xFFFFFFFF) {
   117         uint value;
   118         if (WinRing0.ReadPciConfigDwordEx(pciAddress,
   119           REPORTED_TEMPERATURE_CONTROL_REGISTER, out value)) {
   120           coreTemperature.Value = ((value >> 21) & 0x7FF) / 8.0f +
   121             coreTemperature.Parameters[0].Value;
   122           ActivateSensor(coreTemperature);
   123         } else {
   124           DeactivateSensor(coreTemperature);
   125         }
   126       }
   127 
   128       if (cpuLoad.IsAvailable) {
   129         cpuLoad.Update();
   130         for (int i = 0; i < coreLoads.Length; i++)
   131           coreLoads[i].Value = cpuLoad.GetCoreLoad(i);
   132         totalLoad.Value = cpuLoad.GetTotalLoad();
   133       }
   134     }
   135   }
   136 }