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: using System;
moel@1: using System.Collections.Generic;
moel@1: using System.Drawing;
moel@1: using System.Text;
moel@1:
moel@1: namespace OpenHardwareMonitor.Hardware.LPC {
moel@1: public class IT87 : IHardware {
moel@1:
moel@1: private string name;
moel@1: private Image icon;
moel@1:
moel@1: private bool available = false;
moel@1: private Chip chip;
moel@1: private ushort address;
moel@1:
moel@1: private Sensor[] temperatures;
moel@1: private Sensor[] fans;
moel@1: private Sensor[] voltages;
moel@1: private List<ISensor> active = new List<ISensor>();
moel@1: private float[] voltageGains;
moel@1:
moel@1: // Consts
moel@1: private const byte ITE_VENDOR_ID = 0x90;
moel@1:
moel@1: // Environment Controller
moel@1: private const byte ADDRESS_REGISTER_OFFSET = 0x05;
moel@1: private const byte DATA_REGISTER_OFFSET = 0x06;
moel@1:
moel@1: // Environment Controller Registers
moel@1: private const byte CONFIGURATION_REGISTER = 0x00;
moel@1: private const byte TEMPERATURE_BASE_REG = 0x29;
moel@1: private const byte VENDOR_ID_REGISTER = 0x58;
moel@1: private const byte FAN_TACHOMETER_16_BIT_ENABLE_REGISTER = 0x0c;
moel@1: private byte[] FAN_TACHOMETER_REG =
moel@1: new byte[] { 0x0d, 0x0e, 0x0f, 0x80, 0x82 };
moel@1: private byte[] FAN_TACHOMETER_EXT_REG =
moel@1: new byte[] { 0x18, 0x19, 0x1a, 0x81, 0x83 };
moel@1: private const byte VOLTAGE_BASE_REG = 0x20;
moel@1:
moel@1: private byte ReadByte(byte register) {
moel@1: WinRing0.WriteIoPortByte(
moel@1: (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
moel@1: return WinRing0.ReadIoPortByte((ushort)(address + DATA_REGISTER_OFFSET));
moel@1: }
moel@1:
moel@1: public IT87(Chip chip, ushort address) {
moel@1:
moel@1: this.chip = chip;
moel@1: this.address = address;
moel@1:
moel@1: switch (chip) {
moel@1: case Chip.IT8716F: name = "ITE IT8716F"; break;
moel@1: case Chip.IT8718F: name = "ITE IT8718F"; break;
moel@1: case Chip.IT8720F: name = "ITE IT8720F"; break;
moel@1: case Chip.IT8726F: name = "ITE IT8726F"; break;
moel@1: default: return;
moel@1: }
moel@1:
moel@1: // Check vendor id
moel@1: byte vendorId = ReadByte(VENDOR_ID_REGISTER);
moel@1: if (vendorId != ITE_VENDOR_ID)
moel@1: return;
moel@1:
moel@1: // Bit 0x10 of the configuration register should always be 1
moel@1: if ((ReadByte(CONFIGURATION_REGISTER) & 0x10) == 0)
moel@1: return;
moel@1:
moel@1: temperatures = new Sensor[3];
moel@1: for (int i = 0; i < temperatures.Length; i++)
moel@1: temperatures[i] = new Sensor("Temperature #" + (i + 1), i,
moel@1: SensorType.Temperature, this);
moel@1:
moel@6: fans = new Sensor[5];
moel@1: for (int i = 0; i < fans.Length; i++)
moel@1: fans[i] = new Sensor("Fan #" + (i + 1), i, SensorType.Fan, this);
moel@1:
moel@1: voltageGains = new float[] {
moel@1: 1, 1, 1, (6.8f / 10 + 1), 1, 1, 1, 1, 1 };
moel@1:
moel@1: voltages = new Sensor[2];
moel@1: voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);
moel@1: voltages[1] = new Sensor("Battery", 8, SensorType.Voltage, this);
moel@1:
moel@1: available = true;
moel@1: icon = Utilities.EmbeddedResources.GetImage("chip.png");
moel@1: }
moel@1:
moel@1: public bool IsAvailable {
moel@1: get { return available; }
moel@1: }
moel@1:
moel@1: public string Name {
moel@1: get { return name; }
moel@1: }
moel@1:
moel@1: public string Identifier {
moel@1: get { return "/lpc/it87"; }
moel@1: }
moel@1:
moel@1: public Image Icon {
moel@1: get { return icon; }
moel@1: }
moel@1:
moel@1: public ISensor[] Sensors {
moel@1: get { return active.ToArray(); }
moel@1: }
moel@1:
moel@1: public string GetReport() {
moel@1: StringBuilder r = new StringBuilder();
moel@1:
moel@1: r.AppendLine("LPC IT87");
moel@1: r.AppendLine();
moel@1: r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
moel@1: r.Append("Chip Name: "); r.AppendLine(name);
moel@7: r.Append("Base Address: 0x"); r.AppendLine(address.ToString("X4"));
moel@1: r.AppendLine();
moel@1: r.AppendLine("Environment Controller Registers");
moel@1: r.AppendLine();
moel@1:
moel@1: r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
moel@1: r.AppendLine();
moel@1: for (int i = 0; i <= 0xA; i++) {
moel@1: r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append(" ");
moel@1: for (int j = 0; j <= 0xF; j++) {
moel@1: r.Append(" ");
moel@1: r.Append(ReadByte((byte)((i << 4) | j)).ToString("X2"));
moel@1: }
moel@1: r.AppendLine();
moel@1: }
moel@1: r.AppendLine();
moel@1:
moel@1: return r.ToString();
moel@1: }
moel@1:
moel@1: public void Update() {
moel@1:
moel@1: foreach (Sensor sensor in voltages) {
moel@1: int value = ReadByte((byte)(VOLTAGE_BASE_REG + sensor.Index));
moel@1: sensor.Value = voltageGains[sensor.Index] * 0.001f * (value << 4);
moel@1: if (sensor.Value > 0)
moel@1: ActivateSensor(sensor);
moel@1: else
moel@1: DeactivateSensor(sensor);
moel@1: }
moel@1:
moel@1: foreach (Sensor sensor in temperatures) {
moel@1: int value = ReadByte((byte)(TEMPERATURE_BASE_REG + sensor.Index));
moel@1: sensor.Value = value;
moel@1: if (value < 254)
moel@1: ActivateSensor(sensor);
moel@1: else
moel@1: DeactivateSensor(sensor);
moel@1: }
moel@1:
moel@1: foreach (Sensor sensor in fans) {
moel@1: int value = ReadByte(FAN_TACHOMETER_REG[sensor.Index]);
moel@1: value |= ReadByte(FAN_TACHOMETER_EXT_REG[sensor.Index]) << 8;
moel@1:
moel@1: if (value > 0) {
moel@1: sensor.Value = (value < 0xffff) ? 1.35e6f / ((value) * 2) : 0;
moel@1: ActivateSensor(sensor);
moel@1: } else {
moel@1: DeactivateSensor(sensor);
moel@1: }
moel@1: }
moel@1: }
moel@1:
moel@1: private void ActivateSensor(Sensor sensor) {
moel@1: if (!active.Contains(sensor)) {
moel@1: active.Add(sensor);
moel@1: SensorAdded(sensor);
moel@1: }
moel@1: }
moel@1:
moel@1: private void DeactivateSensor(Sensor sensor) {
moel@1: if (active.Contains(sensor)) {
moel@1: active.Remove(sensor);
moel@1: SensorRemoved(sensor);
moel@1: }
moel@1: }
moel@1:
moel@1: public event SensorEventHandler SensorAdded;
moel@1: public event SensorEventHandler SensorRemoved;
moel@1:
moel@1: }
moel@1: }