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Hardware/LPC/LPCIO.cs
author moel.mich
Sat, 23 Jun 2012 22:14:28 +0000
changeset 353 b4e37f5b2669
parent 352 0899f651d5cf
child 355 17dbf781401e
permissions -rw-r--r--
Added support for IT8705F super I/O chips. 
     1 /*

     2  

     3   This Source Code Form is subject to the terms of the Mozilla Public

     4   License, v. 2.0. If a copy of the MPL was not distributed with this

     5   file, You can obtain one at http://mozilla.org/MPL/2.0/.

     6  

     7   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>

     8 	

     9 */

    10 

    11 using System;

    12 using System.Collections.Generic;

    13 using System.Globalization;

    14 using System.Text;

    15 using System.Threading;

    16 

    17 namespace OpenHardwareMonitor.Hardware.LPC {

    18   internal class LPCIO {

    19 

    20     private readonly List<ISuperIO> superIOs = new List<ISuperIO>();

    21     private readonly StringBuilder report = new StringBuilder();

    22 

    23     // I/O Ports

    24     private readonly ushort[] REGISTER_PORTS = new ushort[] { 0x2E, 0x4E };

    25     private readonly ushort[] VALUE_PORTS = new ushort[] { 0x2F, 0x4F };

    26 

    27     private ushort registerPort;

    28     private ushort valuePort;

    29 

    30     // Registers

    31     private const byte CONFIGURATION_CONTROL_REGISTER = 0x02;

    32     private const byte DEVCIE_SELECT_REGISTER = 0x07;

    33     private const byte CHIP_ID_REGISTER = 0x20;

    34     private const byte CHIP_REVISION_REGISTER = 0x21;

    35     private const byte BASE_ADDRESS_REGISTER = 0x60;

    36 

    37     private byte ReadByte(byte register) {

    38       Ring0.WriteIoPort(registerPort, register);

    39       return Ring0.ReadIoPort(valuePort);

    40     }

    41 

    42     private ushort ReadWord(byte register) {

    43       return (ushort)((ReadByte(register) << 8) |

    44         ReadByte((byte)(register + 1)));

    45     }

    46 

    47     private void Select(byte logicalDeviceNumber) {

    48       Ring0.WriteIoPort(registerPort, DEVCIE_SELECT_REGISTER);

    49       Ring0.WriteIoPort(valuePort, logicalDeviceNumber);

    50     }

    51 

    52     private void ReportUnknownChip(string type, int chip) {

    53       report.Append("Chip ID: Unknown ");

    54       report.Append(type);

    55       report.Append(" with ID 0x");

    56       report.Append(chip.ToString("X", CultureInfo.InvariantCulture));

    57       report.Append(" at 0x");

    58       report.Append(registerPort.ToString("X", CultureInfo.InvariantCulture));

    59       report.Append("/0x");

    60       report.AppendLine(valuePort.ToString("X", CultureInfo.InvariantCulture));

    61       report.AppendLine();

    62     }

    63 

    64     #region Winbond, Nuvoton, Fintek

    65 

    66     private const byte FINTEK_VENDOR_ID_REGISTER = 0x23;

    67     private const ushort FINTEK_VENDOR_ID = 0x1934;

    68 

    69     private const byte WINBOND_NUVOTON_HARDWARE_MONITOR_LDN = 0x0B;

    70 

    71     private const byte F71858_HARDWARE_MONITOR_LDN = 0x02;

    72     private const byte FINTEK_HARDWARE_MONITOR_LDN = 0x04;

    73 

    74     private void WinbondNuvotonFintekEnter() {

    75       Ring0.WriteIoPort(registerPort, 0x87);

    76       Ring0.WriteIoPort(registerPort, 0x87);

    77     }

    78 

    79     private void WinbondNuvotonFintekExit() {

    80       Ring0.WriteIoPort(registerPort, 0xAA);

    81     }

    82 

    83     private bool DetectWinbondFintek() {

    84       WinbondNuvotonFintekEnter();

    85 

    86       byte logicalDeviceNumber = 0;

    87       byte id = ReadByte(CHIP_ID_REGISTER);

    88       byte revision = ReadByte(CHIP_REVISION_REGISTER);

    89       Chip chip = Chip.Unknown;

    90       switch (id) {

    91         case 0x05:

    92           switch (revision) {

    93             case 0x07:

    94               chip = Chip.F71858;

    95               logicalDeviceNumber = F71858_HARDWARE_MONITOR_LDN;

    96               break;

    97             case 0x41:

    98               chip = Chip.F71882;

    99               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   100               break;

   101           } break;

   102         case 0x06:

   103           switch (revision) {

   104             case 0x01:

   105               chip = Chip.F71862;

   106               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   107               break;

   108           } break;

   109         case 0x07:

   110           switch (revision) {

   111             case 0x23:

   112               chip = Chip.F71889F;

   113               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   114               break;

   115           } break;

   116         case 0x08:

   117           switch (revision) {

   118             case 0x14:

   119               chip = Chip.F71869;

   120               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   121               break;

   122           } break;

   123         case 0x09:

   124           switch (revision) {

   125             case 0x01:

   126               chip = Chip.F71808E;

   127               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   128               break;

   129             case 0x09:

   130               chip = Chip.F71889ED;

   131               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   132               break;

   133           } break;

   134         case 0x10:

   135           switch (revision) {

   136             case 0x05:

   137               chip = Chip.F71889AD;

   138               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   139               break;

   140           } break;

   141         case 0x52:

   142           switch (revision) {

   143             case 0x17:

   144             case 0x3A:

   145             case 0x41:

   146               chip = Chip.W83627HF;

   147               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   148               break;

   149           } break;

   150         case 0x82:

   151           switch (revision & 0xF0) {

   152             case 0x80:

   153               chip = Chip.W83627THF;

   154               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   155               break;

   156           } break;

   157         case 0x85:

   158           switch (revision) {

   159             case 0x41:

   160               chip = Chip.W83687THF;

   161               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   162               break;

   163           } break;

   164         case 0x88:

   165           switch (revision & 0xF0) {

   166             case 0x50:

   167             case 0x60:

   168               chip = Chip.W83627EHF;

   169               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   170               break;

   171           } break;

   172         case 0xA0:

   173           switch (revision & 0xF0) {

   174             case 0x20:

   175               chip = Chip.W83627DHG;

   176               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   177               break;

   178           } break;

   179         case 0xA5:

   180           switch (revision & 0xF0) {

   181             case 0x10:

   182               chip = Chip.W83667HG;

   183               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   184               break;

   185           } break;

   186         case 0xB0:

   187           switch (revision & 0xF0) {

   188             case 0x70:

   189               chip = Chip.W83627DHGP;

   190               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   191               break;

   192           } break;

   193         case 0xB3:

   194           switch (revision & 0xF0) {

   195             case 0x50:

   196               chip = Chip.W83667HGB;

   197               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   198               break;

   199           } break;

   200         case 0xB4:

   201           switch (revision & 0xF0) {

   202             case 0x70:

   203               chip = Chip.NCT6771F;

   204               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   205               break;

   206           } break;

   207         case 0xC3:

   208           switch (revision & 0xF0) {

   209             case 0x30:

   210               chip = Chip.NCT6776F;

   211               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   212               break;

   213           } break;

   214       }

   215       if (chip == Chip.Unknown) {

   216         if (id != 0 && id != 0xff) {

   217           WinbondNuvotonFintekExit();

   218 

   219           ReportUnknownChip("Winbond / Nuvoton / Fintek", 

   220             ((id << 8) | revision));

   221         }

   222       } else {

   223 

   224         Select(logicalDeviceNumber);

   225         ushort address = ReadWord(BASE_ADDRESS_REGISTER);

   226         Thread.Sleep(1);

   227         ushort verify = ReadWord(BASE_ADDRESS_REGISTER);

   228 

   229         ushort vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);

   230 

   231         WinbondNuvotonFintekExit();

   232 

   233         if (address != verify) {

   234           report.Append("Chip ID: 0x");

   235           report.AppendLine(chip.ToString("X"));

   236           report.Append("Chip revision: 0x");

   237           report.AppendLine(revision.ToString("X",

   238             CultureInfo.InvariantCulture));

   239           report.AppendLine("Error: Address verification failed");

   240           report.AppendLine();

   241           return false;

   242         }

   243 

   244         // some Fintek chips have address register offset 0x05 added already

   245         if ((address & 0x07) == 0x05)

   246           address &= 0xFFF8;

   247 

   248         if (address < 0x100 || (address & 0xF007) != 0) {

   249           report.Append("Chip ID: 0x");

   250           report.AppendLine(chip.ToString("X"));

   251           report.Append("Chip revision: 0x");

   252           report.AppendLine(revision.ToString("X",

   253             CultureInfo.InvariantCulture));

   254           report.Append("Error: Invalid address 0x");

   255           report.AppendLine(address.ToString("X",

   256             CultureInfo.InvariantCulture));

   257           report.AppendLine();

   258           return false;

   259         }

   260 

   261         switch (chip) {

   262           case Chip.W83627DHG:

   263           case Chip.W83627DHGP:

   264           case Chip.W83627EHF:

   265           case Chip.W83627HF:

   266           case Chip.W83627THF:

   267           case Chip.W83667HG:

   268           case Chip.W83667HGB:

   269           case Chip.W83687THF:

   270             superIOs.Add(new W836XX(chip, revision, address));

   271             break;

   272           case Chip.NCT6771F:

   273           case Chip.NCT6776F:

   274             superIOs.Add(new NCT677X(chip, revision, address));

   275             break;

   276           case Chip.F71858:

   277           case Chip.F71862:

   278           case Chip.F71869:

   279           case Chip.F71882:

   280           case Chip.F71889AD:

   281           case Chip.F71889ED:

   282           case Chip.F71889F:

   283           case Chip.F71808E:

   284             if (vendorID != FINTEK_VENDOR_ID) {

   285               report.Append("Chip ID: 0x");

   286               report.AppendLine(chip.ToString("X"));

   287               report.Append("Chip revision: 0x");

   288               report.AppendLine(revision.ToString("X",

   289                 CultureInfo.InvariantCulture));

   290               report.Append("Error: Invalid vendor ID 0x");

   291               report.AppendLine(vendorID.ToString("X",

   292                 CultureInfo.InvariantCulture));

   293               report.AppendLine();

   294               return false;

   295             }

   296             superIOs.Add(new F718XX(chip, address));

   297             break;

   298           default: break;

   299         }

   300 

   301         return true;

   302       }

   303 

   304       return false;

   305     }

   306 

   307     #endregion

   308 

   309     #region ITE

   310 

   311     private const byte IT87_ENVIRONMENT_CONTROLLER_LDN = 0x04;

   312     private const byte IT8705_GPIO_LDN = 0x05;

   313     private const byte IT87XX_GPIO_LDN = 0x07;

   314     private const byte IT87_CHIP_VERSION_REGISTER = 0x22;

   315 

   316     private void IT87Enter() {

   317       Ring0.WriteIoPort(registerPort, 0x87);

   318       Ring0.WriteIoPort(registerPort, 0x01);

   319       Ring0.WriteIoPort(registerPort, 0x55);

   320       Ring0.WriteIoPort(registerPort, 0x55);

   321     }

   322 

   323     private void IT87Exit() {

   324       Ring0.WriteIoPort(registerPort, CONFIGURATION_CONTROL_REGISTER);

   325       Ring0.WriteIoPort(valuePort, 0x02);

   326     }

   327 

   328     private bool DetectIT87() {

   329 

   330       // IT87XX can enter only on port 0x2E

   331       if (registerPort != 0x2E)

   332         return false;

   333 

   334       IT87Enter();

   335 

   336       ushort chipID = ReadWord(CHIP_ID_REGISTER);

   337       Chip chip;

   338       switch (chipID) {

   339         case 0x8705: chip = Chip.IT8705F; break;

   340         case 0x8712: chip = Chip.IT8712F; break;

   341         case 0x8716: chip = Chip.IT8716F; break;

   342         case 0x8718: chip = Chip.IT8718F; break;

   343         case 0x8720: chip = Chip.IT8720F; break;

   344         case 0x8721: chip = Chip.IT8721F; break;

   345         case 0x8726: chip = Chip.IT8726F; break;

   346         case 0x8728: chip = Chip.IT8728F; break;

   347         case 0x8771: chip = Chip.IT8771E; break;

   348         case 0x8772: chip = Chip.IT8772E; break;

   349         default: chip = Chip.Unknown; break;

   350       }

   351       if (chip == Chip.Unknown) {

   352         if (chipID != 0 && chipID != 0xffff) {

   353           IT87Exit();

   354 

   355           ReportUnknownChip("ITE", chipID);

   356         }

   357       } else {

   358         Select(IT87_ENVIRONMENT_CONTROLLER_LDN);

   359         ushort address = ReadWord(BASE_ADDRESS_REGISTER);

   360         Thread.Sleep(1);

   361         ushort verify = ReadWord(BASE_ADDRESS_REGISTER);

   362 

   363         byte version = (byte)(ReadByte(IT87_CHIP_VERSION_REGISTER) & 0x0F);

   364 

   365         ushort gpioAddress;

   366         ushort gpioVerify;

   367         if (chip == Chip.IT8705F) {

   368           Select(IT8705_GPIO_LDN);

   369           gpioAddress = ReadWord(BASE_ADDRESS_REGISTER);

   370           Thread.Sleep(1);

   371           gpioVerify = ReadWord(BASE_ADDRESS_REGISTER);

   372         } else {

   373           Select(IT87XX_GPIO_LDN);

   374           gpioAddress = ReadWord(BASE_ADDRESS_REGISTER + 2);

   375           Thread.Sleep(1);

   376           gpioVerify = ReadWord(BASE_ADDRESS_REGISTER + 2);

   377         }

   378         

   379         IT87Exit();

   380 

   381         if (address != verify || address < 0x100 || (address & 0xF007) != 0) {

   382           report.Append("Chip ID: 0x");

   383           report.AppendLine(chip.ToString("X"));

   384           report.Append("Error: Invalid address 0x");

   385           report.AppendLine(address.ToString("X",

   386             CultureInfo.InvariantCulture));

   387           report.AppendLine();

   388           return false;

   389         }

   390 

   391         if (gpioAddress != gpioVerify || gpioAddress < 0x100 ||

   392           (gpioAddress & 0xF007) != 0) {

   393           report.Append("Chip ID: 0x");

   394           report.AppendLine(chip.ToString("X"));

   395           report.Append("Error: Invalid GPIO address 0x");

   396           report.AppendLine(gpioAddress.ToString("X",

   397             CultureInfo.InvariantCulture));

   398           report.AppendLine();

   399           return false;

   400         }

   401 

   402         superIOs.Add(new IT87XX(chip, address, gpioAddress, version));

   403         return true;

   404       }

   405 

   406       return false;

   407     }

   408 

   409     #endregion

   410 

   411     #region SMSC

   412 

   413     private void SMSCEnter() {

   414       Ring0.WriteIoPort(registerPort, 0x55);

   415     }

   416 

   417     private void SMSCExit() {

   418       Ring0.WriteIoPort(registerPort, 0xAA);

   419     }

   420 

   421     private bool DetectSMSC() {

   422       SMSCEnter();

   423 

   424       ushort chipID = ReadWord(CHIP_ID_REGISTER);

   425       Chip chip;

   426       switch (chipID) {

   427         default: chip = Chip.Unknown; break;

   428       }

   429       if (chip == Chip.Unknown) {

   430         if (chipID != 0 && chipID != 0xffff) {

   431           SMSCExit();

   432 

   433           ReportUnknownChip("SMSC", chipID);

   434         }

   435       } else {

   436         SMSCExit();

   437         return true;

   438       }

   439 

   440       return false;

   441     }

   442 

   443     #endregion

   444 

   445     private void Detect() {

   446 

   447       for (int i = 0; i < REGISTER_PORTS.Length; i++) {

   448         registerPort = REGISTER_PORTS[i];

   449         valuePort = VALUE_PORTS[i];

   450 

   451         if (DetectWinbondFintek()) continue;

   452 

   453         if (DetectIT87()) continue;

   454 

   455         if (DetectSMSC()) continue;

   456       }

   457     }

   458 

   459     public LPCIO() {

   460       if (!Ring0.IsOpen)

   461         return;

   462 

   463       if (!Ring0.WaitIsaBusMutex(100))

   464         return;

   465 

   466       Detect();

   467 

   468       Ring0.ReleaseIsaBusMutex();

   469     }

   470 

   471     public ISuperIO[] SuperIO {

   472       get {

   473         return superIOs.ToArray();

   474       }

   475     }

   476 

   477     public string GetReport() {

   478       if (report.Length > 0) {

   479         return "LPCIO" + Environment.NewLine + Environment.NewLine + report;

   480       } else

   481         return null;

   482     }

   483   }

   484 }
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