Hardware/LPC/F718XX.cs
author moel.mich
Mon, 01 Mar 2010 22:12:29 +0000
changeset 67 bb5696abab23
parent 34 dc276daadb2c
child 68 d706e16a79c0
permissions -rw-r--r--
Added support for Winbond W83687THF and improved report output for LPC detection.
     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.Drawing;
    41 using System.Text;
    42 
    43 namespace OpenHardwareMonitor.Hardware.LPC {
    44   public class F718XX : LPCHardware, IHardware {
    45 
    46     private ushort address;
    47 
    48     private Sensor[] temperatures;
    49     private Sensor[] fans;
    50     private Sensor[] voltages;
    51     private float[] voltageGains;
    52 
    53     // Hardware Monitor
    54     private const byte ADDRESS_REGISTER_OFFSET = 0x05;
    55     private const byte DATA_REGISTER_OFFSET = 0x06;
    56 
    57     // Hardware Monitor Registers
    58     private const byte VOLTAGE_BASE_REG = 0x20;
    59     private const byte TEMPERATURE_BASE_REG = 0x72;
    60     private byte[] FAN_TACHOMETER_REG = new byte[] { 0xA0, 0xB0, 0xC0, 0xD0 };
    61     
    62     private byte ReadByte(byte register) {
    63       WinRing0.WriteIoPortByte(
    64         (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
    65       return WinRing0.ReadIoPortByte((ushort)(address + DATA_REGISTER_OFFSET));
    66     }
    67 
    68     public F718XX(Chip chip, ushort address) : base(chip) {
    69       this.address = address;
    70 
    71       temperatures = new Sensor[3];
    72       for (int i = 0; i < temperatures.Length; i++)
    73         temperatures[i] = new Sensor("Temperature #" + (i + 1), i, null,
    74           SensorType.Temperature, this, new ParameterDescription[] {
    75             new ParameterDescription("Offset", "Temperature offset.", 0)
    76           });
    77 
    78       fans = new Sensor[4];
    79       for (int i = 0; i < fans.Length; i++)
    80         fans[i] = new Sensor("Fan #" + (i + 1), i, SensorType.Fan, this);
    81 
    82       voltageGains = new float[] { 1, 0.5f, 1, 1, 1, 1, 1, 1, 1 };
    83       voltages = new Sensor[4];
    84       voltages[0] = new Sensor("VCC3V", 0, SensorType.Voltage, this);
    85       voltages[1] = new Sensor("CPU VCore", 1, SensorType.Voltage, this);      
    86       voltages[2] = new Sensor("VSB3V", 7, SensorType.Voltage, this);
    87       voltages[3] = new Sensor("Battery", 8, SensorType.Voltage, this);
    88     }
    89 
    90     public string GetReport() {
    91       StringBuilder r = new StringBuilder();
    92 
    93       r.AppendLine("LPC " + this.GetType().Name);
    94       r.AppendLine();
    95       r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));
    96       r.AppendLine();
    97       r.AppendLine("Hardware Monitor Registers");
    98       r.AppendLine();
    99 
   100       r.AppendLine("      00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
   101       r.AppendLine();
   102       for (int i = 0; i <= 0xF; i++) {
   103         r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");
   104         for (int j = 0; j <= 0xF; j++) {
   105           r.Append(" ");
   106           r.Append(ReadByte((byte)((i << 4) | j)).ToString("X2"));
   107         }
   108         r.AppendLine();
   109       }
   110       r.AppendLine();
   111       return r.ToString();
   112     }
   113 
   114     public void Update() {
   115 
   116       foreach (Sensor sensor in voltages) {
   117         int value = ReadByte((byte)(VOLTAGE_BASE_REG + sensor.Index));
   118         sensor.Value = voltageGains[sensor.Index] * 0.001f * (value << 4);
   119         if (sensor.Value > 0)
   120           ActivateSensor(sensor);
   121         else
   122           DeactivateSensor(sensor);
   123       }
   124 
   125       foreach (Sensor sensor in temperatures) {
   126         sbyte value = (sbyte)ReadByte((byte)(
   127           TEMPERATURE_BASE_REG + 2 * sensor.Index));
   128         sensor.Value = value + sensor.Parameters[0].Value;
   129         if (value < sbyte.MaxValue && value > 0)
   130           ActivateSensor(sensor);
   131         else
   132           DeactivateSensor(sensor);
   133       }
   134 
   135       foreach (Sensor sensor in fans) {
   136         int value = ReadByte(FAN_TACHOMETER_REG[sensor.Index]) << 8;
   137         value |= ReadByte((byte)(FAN_TACHOMETER_REG[sensor.Index] + 1));
   138 
   139         if (value > 0) {
   140           sensor.Value = (value < 0x0fff) ? 1.5e6f / value : 0;
   141           if (sensor.Value > 0)
   142             ActivateSensor(sensor);
   143         } else {
   144           DeactivateSensor(sensor);
   145         }
   146       }      
   147     }
   148   }
   149 }