OpenHardwareMonitor: Hardware/LPC/W836XX.cs@e5fc5fd57dbe

     1 /*

     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1

     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

     9   http://www.mozilla.org/MPL/

    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.

    15   The Original Code is the Open Hardware Monitor code.

    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.

    22   Contributor(s):

    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.

    36 */

    38 using System;

    39 using System.Collections.Generic;

    40 using System.Drawing;

    41 using System.Text;

    43 namespace OpenHardwareMonitor.Hardware.LPC {

    44   public class W836XX : LPCHardware, IHardware {

    46     private ushort address;

    47     private byte revision;

    49     private bool available;

    51     private Sensor[] temperatures;

    52     private Sensor[] fans;

    53     private Sensor[] voltages;

    55     private float[] voltageGains;

    56     private string[] fanNames;

    58     // Consts

    59     private const ushort WINBOND_VENDOR_ID = 0x5CA3;

    60     private const byte HIGH_BYTE = 0x80;

    62     // Hardware Monitor

    63     private const byte ADDRESS_REGISTER_OFFSET = 0x05;

    64     private const byte DATA_REGISTER_OFFSET = 0x06;

    66     // Hardware Monitor Registers

    67     private const byte VOLTAGE_BASE_REG = 0x20;

    68     private const byte BANK_SELECT_REGISTER = 0x04E;

    69     private const byte VENDOR_ID_REGISTER = 0x4F;

    70     private const byte TEMPERATURE_BASE_REG = 0x50;

    71     private const byte TEMPERATURE_SYS_REG = 0x27;

    73     private byte[] FAN_TACHO_REG = new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };

    74     private byte[] FAN_TACHO_BANK = new byte[] { 0, 0, 0, 0, 5 };

    75     private byte[] FAN_BIT_REG = new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };

    76     private byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };

    77     private byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };

    78     private byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };

    80     private byte ReadByte(byte bank, byte register) {

    81       WinRing0.WriteIoPortByte(

    82          (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);

    83       WinRing0.WriteIoPortByte(

    84          (ushort)(address + DATA_REGISTER_OFFSET), bank);

    85       WinRing0.WriteIoPortByte(

    86          (ushort)(address + ADDRESS_REGISTER_OFFSET), register);

    87       return WinRing0.ReadIoPortByte(

    88         (ushort)(address + DATA_REGISTER_OFFSET));

    89     }

    91     public W836XX(Chip chip, byte revision, ushort address)

    92       : base(chip)

    93     {

    94       this.address = address;

    95       this.revision = revision;

    97       available = IsWinbondVendor();

    99       temperatures = new Sensor[3];

   100       temperatures[0] = new Sensor("CPU", 0, SensorType.Temperature, this);

   101       temperatures[1] = new Sensor("Auxiliary", 1, SensorType.Temperature, this);

   102       temperatures[2] = new Sensor("System", 2, SensorType.Temperature, this);

   104       switch (chip) {

   105         case Chip.W83627DHG:

   106         case Chip.W83627DHGP:

   107         case Chip.W83627EHF:

   108         case Chip.W83667HG:

   109         case Chip.W83667HGB:

   110           fanNames = new string[] { "System", "CPU", "Auxiliary",

   111             "CPU #2", "Auxiliary #2" };

   112           voltageGains = new float[] { 1, 1, 1, 2, 1, 1, 1, 2 };

   113           voltages = new Sensor[3];

   114           voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);

   115           voltages[1] = new Sensor("+3.3V", 3, SensorType.Voltage, this);

   116           voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);

   117           break;

   118         case Chip.W83627HF:

   119           fanNames = new string[] { "Fan #1", "Fan #2", "Fan #3" };

   120           voltageGains = new float[] { 2, 1, 2, 1, 1, 1, 1, 2 };

   121           voltages = new Sensor[3];

   122           voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);

   123           voltages[1] = new Sensor("+3.3V", 2, SensorType.Voltage, this);

   124           voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);

   125           break;

   126         default: fanNames = new string[0];

   127           break;

   128       }

   130       fans = new Sensor[fanNames.Length];

   131       for (int i = 0; i < fanNames.Length; i++)

   132         fans[i] = new Sensor(fanNames[i], i, SensorType.Fan, this);

   133     }

   135     public bool IsAvailable {

   136       get { return available; }

   137     }

   139     private bool IsWinbondVendor() {

   140       ushort vendorId =

   141         (ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |

   142            ReadByte(0, VENDOR_ID_REGISTER));

   143       return vendorId == WINBOND_VENDOR_ID;

   144     }

   146     public void Update() {

   147       foreach (Sensor sensor in voltages) {

   148         if (sensor.Index < 7) {

   149           int value = ReadByte(0, (byte)(VOLTAGE_BASE_REG + sensor.Index));

   150           sensor.Value = 0.008f * voltageGains[sensor.Index] * value;

   151           if (sensor.Value > 0)

   152             ActivateSensor(sensor);

   153           else

   154             DeactivateSensor(sensor);

   155         } else {

   156           // Battery voltage

   157           bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;

   158           if (valid) {

   159             sensor.Value =

   160               0.008f * voltageGains[sensor.Index] * ReadByte(5, 0x51);

   161             ActivateSensor(sensor);

   162           } else

   163             DeactivateSensor(sensor);

   164         }

   165       }

   167       foreach (Sensor sensor in temperatures) {

   168         int value;

   169         if (sensor.Index < 2) {

   170           value = (sbyte)ReadByte((byte)(sensor.Index + 1), TEMPERATURE_BASE_REG);

   171           value = (value << 1) | ReadByte((byte)(sensor.Index + 1),

   172             (byte)(TEMPERATURE_BASE_REG + 1)) >> 7;

   173         } else {

   174           value = (sbyte)ReadByte(0, TEMPERATURE_SYS_REG) << 1;

   175         }

   176         sensor.Value = value / 2.0f;

   177         if (value < 0xFE)

   178           ActivateSensor(sensor);

   179         else

   180           DeactivateSensor(sensor);

   181       }

   183       long bits = 0;

   184       for (int i = 0; i < FAN_BIT_REG.Length; i++)

   185         bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);

   186       foreach (Sensor sensor in fans) {

   187         int count = ReadByte(FAN_TACHO_BANK[sensor.Index],

   188           FAN_TACHO_REG[sensor.Index]);

   189         int divisorBits = (int)(

   190           (((bits >> FAN_DIV_BIT2[sensor.Index]) & 1) << 2) |

   191           (((bits >> FAN_DIV_BIT1[sensor.Index]) & 1) << 1) |

   192            ((bits >> FAN_DIV_BIT0[sensor.Index]) & 1));

   193         int divisor = 1 << divisorBits;

   194         float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;

   195         sensor.Value = value;

   196         if (value > 0)

   197           ActivateSensor(sensor);

   198       }

   199     }

   201     public string GetReport() {

   202       StringBuilder r = new StringBuilder();

   204       r.AppendLine("LPC " + this.GetType().Name);

   205       r.AppendLine();

   206       r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));

   207       r.Append("Chip revision: 0x"); r.AppendLine(revision.ToString("X"));

   208       r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));

   209       r.AppendLine();

   210       r.AppendLine("Hardware Monitor Registers");

   211       r.AppendLine();

   212       r.AppendLine("      00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");

   213       r.AppendLine();

   214       for (int i = 0; i < 0x7; i++) {

   215         r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");

   216         for (int j = 0; j <= 0xF; j++) {

   217           r.Append(" ");

   218           r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString("X2"));

   219         }

   220         r.AppendLine();

   221       }

   222       for (int k = 1; k <= 5; k++) {

   223         r.AppendLine("Bank " + k);

   224         for (int i = 0x5; i < 0x6; i++) {

   225           r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");

   226           for (int j = 0; j <= 0xF; j++) {

   227             r.Append(" ");

   228             r.Append(ReadByte((byte)(k),

   229               (byte)((i << 4) | j)).ToString("X2"));

   230           }

   231           r.AppendLine();

   232         }

   233       }

   234       r.AppendLine();

   236       return r.ToString();

   237     }

   238   }

   239 }

author	moel.mich
	Thu, 18 Feb 2010 14:03:02 +0000
changeset 51	e5fc5fd57dbe
child 53	ccba498488e8
permissions	-rw-r--r--