Hardware/LPC/F718XX.cs
author moel.mich
Tue, 02 Mar 2010 20:32:24 +0000
changeset 68 d706e16a79c0
parent 63 1a7c13ac7348
child 84 05bf128434c6
permissions -rw-r--r--
Added support for Fintek F71858 chips. Corrected the number of fans for Fintek.
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/*
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  Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  The contents of this file are subject to the Mozilla Public License Version
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  1.1 (the "License"); you may not use this file except in compliance with
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  the License. You may obtain a copy of the License at
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  http://www.mozilla.org/MPL/
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  Software distributed under the License is distributed on an "AS IS" basis,
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  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  for the specific language governing rights and limitations under the License.
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  The Original Code is the Open Hardware Monitor code.
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  The Initial Developer of the Original Code is 
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  Michael Möller <m.moeller@gmx.ch>.
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  Portions created by the Initial Developer are Copyright (C) 2009-2010
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  the Initial Developer. All Rights Reserved.
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  Contributor(s):
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  Alternatively, the contents of this file may be used under the terms of
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  either the GNU General Public License Version 2 or later (the "GPL"), or
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  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  in which case the provisions of the GPL or the LGPL are applicable instead
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  of those above. If you wish to allow use of your version of this file only
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  under the terms of either the GPL or the LGPL, and not to allow others to
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  use your version of this file under the terms of the MPL, indicate your
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  decision by deleting the provisions above and replace them with the notice
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  and other provisions required by the GPL or the LGPL. If you do not delete
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  the provisions above, a recipient may use your version of this file under
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  the terms of any one of the MPL, the GPL or the LGPL.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Text;
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namespace OpenHardwareMonitor.Hardware.LPC {
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  public class F718XX : LPCHardware, IHardware {
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    private ushort address;
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    private Sensor[] temperatures;
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    private Sensor[] fans;
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    private Sensor[] voltages;
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    private float[] voltageGains;
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    // Hardware Monitor
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    private const byte ADDRESS_REGISTER_OFFSET = 0x05;
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    private const byte DATA_REGISTER_OFFSET = 0x06;
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    // Hardware Monitor Registers
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    private const byte VOLTAGE_BASE_REG = 0x20;
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    private const byte TEMPERATURE_CONFIG_REG = 0x69;
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    private const byte TEMPERATURE_BASE_REG = 0x70;
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    private byte[] FAN_TACHOMETER_REG = new byte[] { 0xA0, 0xB0, 0xC0, 0xD0 };
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    private byte ReadByte(byte register) {
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      WinRing0.WriteIoPortByte(
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        (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
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      return WinRing0.ReadIoPortByte((ushort)(address + DATA_REGISTER_OFFSET));
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    }
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    public F718XX(Chip chip, ushort address) : base(chip) {
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      this.address = address;
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      temperatures = new Sensor[3];
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      for (int i = 0; i < temperatures.Length; i++)
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        temperatures[i] = new Sensor("Temperature #" + (i + 1), i, null,
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          SensorType.Temperature, this, new ParameterDescription[] {
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            new ParameterDescription("Offset", "Temperature offset.", 0)
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          });
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      fans = new Sensor[chip == Chip.F71882 ? 4 : 3];
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      for (int i = 0; i < fans.Length; i++)
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        fans[i] = new Sensor("Fan #" + (i + 1), i, SensorType.Fan, this);
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      switch (chip) {
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        case Chip.F71858:
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          voltageGains = new float[] { 1, 1, 1 };
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          voltages = new Sensor[3];
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          voltages[0] = new Sensor("VCC3V", 0, SensorType.Voltage, this);
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          voltages[1] = new Sensor("VSB3V", 1, SensorType.Voltage, this);
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          voltages[2] = new Sensor("Battery", 2, SensorType.Voltage, this);
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          break;
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        default:
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          voltageGains = new float[] { 1, 0.5f, 1, 1, 1, 1, 1, 1, 1 };
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          voltages = new Sensor[4];
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          voltages[0] = new Sensor("VCC3V", 0, SensorType.Voltage, this);
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          voltages[1] = new Sensor("CPU VCore", 1, SensorType.Voltage, this);
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          voltages[2] = new Sensor("VSB3V", 7, SensorType.Voltage, this);
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          voltages[3] = new Sensor("Battery", 8, SensorType.Voltage, this);
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          break;
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      }
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    }
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    public string GetReport() {
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      StringBuilder r = new StringBuilder();
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      r.AppendLine("LPC " + this.GetType().Name);
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      r.AppendLine();
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      r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));
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      r.AppendLine();
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      r.AppendLine("Hardware Monitor Registers");
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      r.AppendLine();
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      r.AppendLine("      00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
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      r.AppendLine();
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      for (int i = 0; i <= 0xF; i++) {
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        r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");
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        for (int j = 0; j <= 0xF; j++) {
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          r.Append(" ");
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          r.Append(ReadByte((byte)((i << 4) | j)).ToString("X2"));
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        }
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        r.AppendLine();
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      }
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      r.AppendLine();
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      return r.ToString();
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    }
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    public void Update() {
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      foreach (Sensor sensor in voltages) {
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        int value = ReadByte((byte)(VOLTAGE_BASE_REG + sensor.Index));
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        sensor.Value = voltageGains[sensor.Index] * 0.001f * (value << 4);
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        if (sensor.Value > 0)
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          ActivateSensor(sensor);
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        else
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          DeactivateSensor(sensor);
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      }
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      foreach (Sensor sensor in temperatures) {
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        switch (chip) {
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          case Chip.F71858: {
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              int tableMode = 0x3 & ReadByte((byte)(TEMPERATURE_CONFIG_REG));
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              int high = 
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                ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * sensor.Index));
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              int low =
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                ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * sensor.Index + 1));              
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              if (high != 0xbb && high != 0xcc) {
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                int bits = 0;
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                switch (tableMode) {
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                  case 0: bits = 0; break;
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                  case 1: bits = 0; break;
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                  case 2: bits = (high & 0x80) << 8; break;
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                  case 3: bits = (low & 0x01) << 15; break;
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                }
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                bits |= high << 7;
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                bits |= (low & 0xe0) >> 1;
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                short value = (short)(bits & 0xfff0);
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                sensor.Value = value / 128.0f;
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                ActivateSensor(sensor);
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              } else {
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                DeactivateSensor(sensor);
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              }
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          } break;
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          default: {
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            sbyte value = (sbyte)ReadByte((byte)(
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              TEMPERATURE_BASE_REG + 2 * (sensor.Index + 1)));
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            sensor.Value = value + sensor.Parameters[0].Value;
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            if (value < sbyte.MaxValue && value > 0)
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              ActivateSensor(sensor);
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            else
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              DeactivateSensor(sensor);
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          } break;
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        }
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      }
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      foreach (Sensor sensor in fans) {
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        int value = ReadByte(FAN_TACHOMETER_REG[sensor.Index]) << 8;
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        value |= ReadByte((byte)(FAN_TACHOMETER_REG[sensor.Index] + 1));
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        if (value > 0) {
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          sensor.Value = (value < 0x0fff) ? 1.5e6f / value : 0;
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          if (sensor.Value > 0)
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            ActivateSensor(sensor);
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        } else {
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          DeactivateSensor(sensor);
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        }
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      }      
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    }
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  }
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}