OpenHardwareMonitor-retired: Hardware/LPC/W836XX.cs@fa9dfbfc4145

     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.Globalization;

    41 using System.Text;

    43 namespace OpenHardwareMonitor.Hardware.LPC {

    44   internal class W836XX : ISuperIO {

    46     private ushort address;

    47     private byte revision;

    49     private Chip chip;

    51     private float?[] voltages = new float?[0];

    52     private float?[] temperatures = new float?[0];

    53     private float?[] fans = new float?[0];

    55     private bool[] peciTemperature = new bool[0];

    56     private byte[] voltageRegister = new byte[0];

    57     private byte[] voltageBank = new byte[0];

    58     private float voltageGain = 0.008f;

    60     // Consts

    61     private const ushort WINBOND_VENDOR_ID = 0x5CA3;

    62     private const byte HIGH_BYTE = 0x80;

    64     // Hardware Monitor

    65     private const byte ADDRESS_REGISTER_OFFSET = 0x05;

    66     private const byte DATA_REGISTER_OFFSET = 0x06;

    68     // Hardware Monitor Registers

    69     private const byte VOLTAGE_VBAT_REG = 0x51;

    70     private const byte BANK_SELECT_REGISTER = 0x4E;

    71     private const byte VENDOR_ID_REGISTER = 0x4F;

    72     private const byte TEMPERATURE_SOURCE_SELECT_REG = 0x49;

    74     private byte[] TEMPERATURE_REG = new byte[] { 0x50, 0x50, 0x27 };

    75     private byte[] TEMPERATURE_BANK = new byte[] { 1, 2, 0 };

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

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

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

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

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

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

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

    85       WinRing0.WriteIoPortByte(

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

    87       WinRing0.WriteIoPortByte(

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

    89       WinRing0.WriteIoPortByte(

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

    91       return WinRing0.ReadIoPortByte(

    92         (ushort)(address + DATA_REGISTER_OFFSET));

    93     }

    95     private void WriteByte(byte bank, byte register, byte value) {

    96       WinRing0.WriteIoPortByte(

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

    98       WinRing0.WriteIoPortByte(

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

   100       WinRing0.WriteIoPortByte(

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

   102       WinRing0.WriteIoPortByte(

   103          (ushort)(address + DATA_REGISTER_OFFSET), value);

   104     }

   106     public W836XX(Chip chip, byte revision, ushort address) {

   107       this.address = address;

   108       this.revision = revision;

   109       this.chip = chip;

   111       if (!IsWinbondVendor())

   112         return;

   114       temperatures = new float?[3];

   115       peciTemperature = new bool[3];

   116       switch (chip) {

   117         case Chip.W83667HG:

   118         case Chip.W83667HGB:

   119           // note temperature sensor registers that read PECI

   120           byte flag = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);

   121           peciTemperature[0] = (flag & 0x04) != 0;

   122           peciTemperature[1] = (flag & 0x40) != 0;

   123           peciTemperature[2] = false;

   124           break;

   125         case Chip.W83627DHG:

   126         case Chip.W83627DHGP:

   127           // note temperature sensor registers that read PECI

   128           byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);

   129           peciTemperature[0] = (sel & 0x07) != 0;

   130           peciTemperature[1] = (sel & 0x70) != 0;

   131           peciTemperature[2] = false;

   132           break;

   133         default:

   134           // no PECI support

   135           peciTemperature[0] = false;

   136           peciTemperature[1] = false;

   137           peciTemperature[2] = false;

   138           break;

   139       }

   141       switch (chip) {

   142         case Chip.W83627EHF:

   143           voltages = new float?[10];

   144           voltageRegister = new byte[] {

   145             0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51, 0x52 };

   146           voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5, 5 };

   147           voltageGain = 0.008f;

   148           fans = new float?[5];

   149           break;

   150         case Chip.W83627DHG:

   151         case Chip.W83627DHGP:

   152         case Chip.W83667HG:

   153         case Chip.W83667HGB:

   154           voltages = new float?[9];

   155           voltageRegister = new byte[] {

   156             0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51 };

   157           voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5 };

   158           voltageGain = 0.008f;

   159           fans = new float?[5];

   160           break;

   161         case Chip.W83627HF:

   162         case Chip.W83627THF:

   163         case Chip.W83687THF:

   164           voltages = new float?[7];

   165           voltageRegister = new byte[] {

   166             0x20, 0x21, 0x22, 0x23, 0x24, 0x50, 0x51 };

   167           voltageBank = new byte[] { 0, 0, 0, 0, 0, 5, 5 };

   168           voltageGain = 0.016f;

   169           fans = new float?[3];

   170           break;

   171       }

   172     }

   174     private bool IsWinbondVendor() {

   175       ushort vendorId =

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

   177            ReadByte(0, VENDOR_ID_REGISTER));

   178       return vendorId == WINBOND_VENDOR_ID;

   179     }

   181     private ulong SetBit(ulong target, int bit, int value) {

   182       if ((value & 1) != value)

   183         throw new ArgumentException("Value must be one bit only.");

   185       if (bit < 0 || bit > 63)

   186         throw new ArgumentException("Bit out of range.");

   188       ulong mask = (((ulong)1) << bit);

   189       return value > 0 ? target | mask : target & ~mask;

   190     }

   192     public Chip Chip { get { return chip; } }

   193     public float?[] Voltages { get { return voltages; } }

   194     public float?[] Temperatures { get { return temperatures; } }

   195     public float?[] Fans { get { return fans; } }

   197     public void Update() {

   198       if (!WinRing0.WaitIsaBusMutex(10))

   199         return;

   201       for (int i = 0; i < voltages.Length; i++) {

   202         if (voltageRegister[i] != VOLTAGE_VBAT_REG) {

   203           // two special VCore measurement modes for W83627THF

   204           float fvalue;

   205           if ((chip == Chip.W83627HF || chip == Chip.W83627THF ||

   206             chip == Chip.W83687THF) && i == 0)

   207           {

   208             byte vrmConfiguration = ReadByte(0, 0x18);

   209             int value = ReadByte(voltageBank[i], voltageRegister[i]);

   210             if ((vrmConfiguration & 0x01) == 0)

   211               fvalue = 0.016f * value; // VRM8 formula

   212             else

   213               fvalue = 0.00488f * value + 0.69f; // VRM9 formula

   214           } else {

   215             int value = ReadByte(voltageBank[i], voltageRegister[i]);

   216             fvalue = voltageGain * value;

   217           }

   218           if (fvalue > 0)

   219             voltages[i] = fvalue;

   220           else

   221             voltages[i] = null;

   222         } else {

   223           // Battery voltage

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

   225           if (valid) {

   226             voltages[i] = voltageGain * ReadByte(5, VOLTAGE_VBAT_REG);

   227           } else {

   228             voltages[i] = null;

   229           }

   230         }

   231       }

   233       for (int i = 0; i < temperatures.Length; i++) {

   234         int value = ((sbyte)ReadByte(TEMPERATURE_BANK[i],

   235           TEMPERATURE_REG[i])) << 1;

   236         if (TEMPERATURE_BANK[i] > 0)

   237           value |= ReadByte(TEMPERATURE_BANK[i],

   238             (byte)(TEMPERATURE_REG[i] + 1)) >> 7;

   240         float temperature = value / 2.0f;

   241         if (temperature <= 125 && temperature >= -55 && !peciTemperature[i]) {

   242           temperatures[i] = temperature;

   243         } else {

   244           temperatures[i] = null;

   245         }

   246       }

   248       ulong bits = 0;

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

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

   251       ulong newBits = bits;

   252       for (int i = 0; i < fans.Length; i++) {

   253         int count = ReadByte(FAN_TACHO_BANK[i], FAN_TACHO_REG[i]);

   255         // assemble fan divisor

   256         int divisorBits = (int)(

   257           (((bits >> FAN_DIV_BIT2[i]) & 1) << 2) |

   258           (((bits >> FAN_DIV_BIT1[i]) & 1) << 1) |

   259            ((bits >> FAN_DIV_BIT0[i]) & 1));

   260         int divisor = 1 << divisorBits;

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

   263         fans[i] = value;

   265         // update fan divisor

   266         if (count > 192 && divisorBits < 7)

   267           divisorBits++;

   268         if (count < 96 && divisorBits > 0)

   269           divisorBits--;

   271         newBits = SetBit(newBits, FAN_DIV_BIT2[i], (divisorBits >> 2) & 1);

   272         newBits = SetBit(newBits, FAN_DIV_BIT1[i], (divisorBits >> 1) & 1);

   273         newBits = SetBit(newBits, FAN_DIV_BIT0[i], divisorBits & 1);

   274       }

   276       // write new fan divisors

   277       for (int i = FAN_BIT_REG.Length - 1; i >= 0; i--) {

   278         byte oldByte = (byte)(bits & 0xFF);

   279         byte newByte = (byte)(newBits & 0xFF);

   280         bits = bits >> 8;

   281         newBits = newBits >> 8;

   282         if (oldByte != newByte)

   283           WriteByte(0, FAN_BIT_REG[i], newByte);

   284       }

   286       WinRing0.ReleaseIsaBusMutex();

   287     }

   289     public string GetReport() {

   290       StringBuilder r = new StringBuilder();

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

   293       r.AppendLine();

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

   295       r.Append("Chip revision: 0x");

   296       r.AppendLine(revision.ToString("X", CultureInfo.InvariantCulture));

   297       r.Append("Base Adress: 0x");

   298       r.AppendLine(address.ToString("X4", CultureInfo.InvariantCulture));

   299       r.AppendLine();

   301       if (!WinRing0.WaitIsaBusMutex(100))

   302         return r.ToString();

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

   305       r.AppendLine();

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

   307       r.AppendLine();

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

   309         r.Append(" ");

   310         r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));

   311         r.Append("  ");

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

   313           r.Append(" ");

   314           r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString(

   315             "X2", CultureInfo.InvariantCulture));

   316         }

   317         r.AppendLine();

   318       }

   319       for (int k = 1; k <= 15; k++) {

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

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

   322           r.Append(" ");

   323           r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));

   324           r.Append("  ");

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

   326             r.Append(" ");

   327             r.Append(ReadByte((byte)(k), (byte)((i << 4) | j)).ToString(

   328               "X2", CultureInfo.InvariantCulture));

   329           }

   330           r.AppendLine();

   331         }

   332       }

   333       r.AppendLine();

   335       WinRing0.ReleaseIsaBusMutex();

   337       return r.ToString();

   338     }

   339   }

   340 }

author	moel.mich
	Thu, 12 Aug 2010 20:53:27 +0000
changeset 166	fa9dfbfc4145
parent 165	813d8bc3192f
child 167	b7cc9d09aefe
permissions	-rw-r--r--