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: namespace OpenHardwareMonitor.Hardware.CPU {
moel@165: 
moel@191:   internal sealed class AMD10CPU : GenericCPU {
moel@1: 
moel@195:     private readonly uint pciAddress;
moel@1: 
moel@195:     private readonly Sensor coreTemperature;
moel@1: 
moel@1:     private const ushort PCI_AMD_VENDOR_ID = 0x1022;
moel@1:     private const ushort PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID = 0x1203;
moel@42:     private const ushort PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID = 0x1303;
moel@1:     private const uint REPORTED_TEMPERATURE_CONTROL_REGISTER = 0xA4;
moel@1: 
moel@191:     public AMD10CPU(int processorIndex, CPUID[][] cpuid, ISettings settings)
moel@191:       : base(processorIndex, cpuid, settings) 
moel@191:     {      
moel@1:       // AMD family 10h processors support only one temperature sensor
moel@22:       coreTemperature = new Sensor(
moel@134:         "Core" + (coreCount > 1 ? " #1 - #" + coreCount : ""), 0,
moel@195:         SensorType.Temperature, this, new [] {
moel@122:             new ParameterDescription("Offset [°C]", "Temperature offset.", 0)
moel@165:           }, settings);
moel@1: 
moel@100:       pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
moel@100:         PCI_AMD_10H_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
moel@42:       if (pciAddress == 0xFFFFFFFF) 
moel@42:         pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
moel@100:           PCI_AMD_11H_MISCELLANEOUS_DEVICE_ID, (byte)processorIndex);
moel@42: 
moel@1:       Update();                   
moel@1:     }
moel@1: 
moel@191:     protected override uint[] GetMSRs() {
moel@191:       return new uint[] { };
moel@1:     }
moel@1: 
moel@110:     public override void Update() {
moel@191:       base.Update();
moel@191: 
moel@42:       if (pciAddress != 0xFFFFFFFF) {
moel@42:         uint value;
moel@42:         if (WinRing0.ReadPciConfigDwordEx(pciAddress,
moel@42:           REPORTED_TEMPERATURE_CONTROL_REGISTER, out value)) {
moel@63:           coreTemperature.Value = ((value >> 21) & 0x7FF) / 8.0f +
moel@63:             coreTemperature.Parameters[0].Value;
moel@42:           ActivateSensor(coreTemperature);
moel@42:         } else {
moel@42:           DeactivateSensor(coreTemperature);
moel@42:         }
moel@24:       }
moel@1:     }
moel@1:   }
moel@1: }