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Hardware/LPC/LPCIO.cs
author moel.mich
Sun, 30 Jun 2013 11:41:36 +0000
changeset 408 bbeb9004c491
parent 355 17dbf781401e
child 413 362c5e77197d
permissions -rw-r--r--
Added support for the Fintek F71869A (F71868AD) super I/O chip. 
     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) 2009-2013 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             case 0x07:

   141               chip = Chip.F71869A;

   142               logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;

   143               break;

   144           } break;

   145         case 0x52:

   146           switch (revision) {

   147             case 0x17:

   148             case 0x3A:

   149             case 0x41:

   150               chip = Chip.W83627HF;

   151               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   152               break;

   153           } break;

   154         case 0x82:

   155           switch (revision & 0xF0) {

   156             case 0x80:

   157               chip = Chip.W83627THF;

   158               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   159               break;

   160           } break;

   161         case 0x85:

   162           switch (revision) {

   163             case 0x41:

   164               chip = Chip.W83687THF;

   165               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   166               break;

   167           } break;

   168         case 0x88:

   169           switch (revision & 0xF0) {

   170             case 0x50:

   171             case 0x60:

   172               chip = Chip.W83627EHF;

   173               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   174               break;

   175           } break;

   176         case 0xA0:

   177           switch (revision & 0xF0) {

   178             case 0x20:

   179               chip = Chip.W83627DHG;

   180               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   181               break;

   182           } break;

   183         case 0xA5:

   184           switch (revision & 0xF0) {

   185             case 0x10:

   186               chip = Chip.W83667HG;

   187               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   188               break;

   189           } break;

   190         case 0xB0:

   191           switch (revision & 0xF0) {

   192             case 0x70:

   193               chip = Chip.W83627DHGP;

   194               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   195               break;

   196           } break;

   197         case 0xB3:

   198           switch (revision & 0xF0) {

   199             case 0x50:

   200               chip = Chip.W83667HGB;

   201               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   202               break;

   203           } break;

   204         case 0xB4:

   205           switch (revision & 0xF0) {

   206             case 0x70:

   207               chip = Chip.NCT6771F;

   208               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   209               break;

   210           } break;

   211         case 0xC3:

   212           switch (revision & 0xF0) {

   213             case 0x30:

   214               chip = Chip.NCT6776F;

   215               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   216               break;

   217           } break;

   218         case 0xC5:

   219           switch (revision & 0xF0) {

   220             case 0x60:

   221               chip = Chip.NCT6779D;

   222               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   223               break;

   224           } break;

   225       }

   226       if (chip == Chip.Unknown) {

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

   228           WinbondNuvotonFintekExit();

   229 

   230           ReportUnknownChip("Winbond / Nuvoton / Fintek", 

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

   232         }

   233       } else {

   234 

   235         Select(logicalDeviceNumber);

   236         ushort address = ReadWord(BASE_ADDRESS_REGISTER);

   237         Thread.Sleep(1);

   238         ushort verify = ReadWord(BASE_ADDRESS_REGISTER);

   239 

   240         ushort vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);

   241 

   242         WinbondNuvotonFintekExit();

   243 

   244         if (address != verify) {

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

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

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

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

   249             CultureInfo.InvariantCulture));

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

   251           report.AppendLine();

   252           return false;

   253         }

   254 

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

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

   257           address &= 0xFFF8;

   258 

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

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

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

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

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

   264             CultureInfo.InvariantCulture));

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

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

   267             CultureInfo.InvariantCulture));

   268           report.AppendLine();

   269           return false;

   270         }

   271 

   272         switch (chip) {

   273           case Chip.W83627DHG:

   274           case Chip.W83627DHGP:

   275           case Chip.W83627EHF:

   276           case Chip.W83627HF:

   277           case Chip.W83627THF:

   278           case Chip.W83667HG:

   279           case Chip.W83667HGB:

   280           case Chip.W83687THF:

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

   282             break;

   283           case Chip.NCT6771F:

   284           case Chip.NCT6776F:

   285           case Chip.NCT6779D:

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

   287             break;

   288           case Chip.F71858:

   289           case Chip.F71862:

   290           case Chip.F71869:

   291           case Chip.F71869A:

   292           case Chip.F71882:

   293           case Chip.F71889AD:

   294           case Chip.F71889ED:

   295           case Chip.F71889F:

   296           case Chip.F71808E:

   297             if (vendorID != FINTEK_VENDOR_ID) {

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

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

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

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

   302                 CultureInfo.InvariantCulture));

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

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

   305                 CultureInfo.InvariantCulture));

   306               report.AppendLine();

   307               return false;

   308             }

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

   310             break;

   311           default: break;

   312         }

   313 

   314         return true;

   315       }

   316 

   317       return false;

   318     }

   319 

   320     #endregion

   321 

   322     #region ITE

   323 

   324     private const byte IT87_ENVIRONMENT_CONTROLLER_LDN = 0x04;

   325     private const byte IT8705_GPIO_LDN = 0x05;

   326     private const byte IT87XX_GPIO_LDN = 0x07;

   327     private const byte IT87_CHIP_VERSION_REGISTER = 0x22;

   328 

   329     private void IT87Enter() {

   330       Ring0.WriteIoPort(registerPort, 0x87);

   331       Ring0.WriteIoPort(registerPort, 0x01);

   332       Ring0.WriteIoPort(registerPort, 0x55);

   333       Ring0.WriteIoPort(registerPort, 0x55);

   334     }

   335 

   336     private void IT87Exit() {

   337       Ring0.WriteIoPort(registerPort, CONFIGURATION_CONTROL_REGISTER);

   338       Ring0.WriteIoPort(valuePort, 0x02);

   339     }

   340 

   341     private bool DetectIT87() {

   342 

   343       // IT87XX can enter only on port 0x2E

   344       if (registerPort != 0x2E)

   345         return false;

   346 

   347       IT87Enter();

   348 

   349       ushort chipID = ReadWord(CHIP_ID_REGISTER);

   350       Chip chip;

   351       switch (chipID) {

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

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

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

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

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

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

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

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

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

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

   362         default: chip = Chip.Unknown; break;

   363       }

   364       if (chip == Chip.Unknown) {

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

   366           IT87Exit();

   367 

   368           ReportUnknownChip("ITE", chipID);

   369         }

   370       } else {

   371         Select(IT87_ENVIRONMENT_CONTROLLER_LDN);

   372         ushort address = ReadWord(BASE_ADDRESS_REGISTER);

   373         Thread.Sleep(1);

   374         ushort verify = ReadWord(BASE_ADDRESS_REGISTER);

   375 

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

   377 

   378         ushort gpioAddress;

   379         ushort gpioVerify;

   380         if (chip == Chip.IT8705F) {

   381           Select(IT8705_GPIO_LDN);

   382           gpioAddress = ReadWord(BASE_ADDRESS_REGISTER);

   383           Thread.Sleep(1);

   384           gpioVerify = ReadWord(BASE_ADDRESS_REGISTER);

   385         } else {

   386           Select(IT87XX_GPIO_LDN);

   387           gpioAddress = ReadWord(BASE_ADDRESS_REGISTER + 2);

   388           Thread.Sleep(1);

   389           gpioVerify = ReadWord(BASE_ADDRESS_REGISTER + 2);

   390         }

   391         

   392         IT87Exit();

   393 

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

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

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

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

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

   399             CultureInfo.InvariantCulture));

   400           report.AppendLine();

   401           return false;

   402         }

   403 

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

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

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

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

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

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

   410             CultureInfo.InvariantCulture));

   411           report.AppendLine();

   412           return false;

   413         }

   414 

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

   416         return true;

   417       }

   418 

   419       return false;

   420     }

   421 

   422     #endregion

   423 

   424     #region SMSC

   425 

   426     private void SMSCEnter() {

   427       Ring0.WriteIoPort(registerPort, 0x55);

   428     }

   429 

   430     private void SMSCExit() {

   431       Ring0.WriteIoPort(registerPort, 0xAA);

   432     }

   433 

   434     private bool DetectSMSC() {

   435       SMSCEnter();

   436 

   437       ushort chipID = ReadWord(CHIP_ID_REGISTER);

   438       Chip chip;

   439       switch (chipID) {

   440         default: chip = Chip.Unknown; break;

   441       }

   442       if (chip == Chip.Unknown) {

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

   444           SMSCExit();

   445 

   446           ReportUnknownChip("SMSC", chipID);

   447         }

   448       } else {

   449         SMSCExit();

   450         return true;

   451       }

   452 

   453       return false;

   454     }

   455 

   456     #endregion

   457 

   458     private void Detect() {

   459 

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

   461         registerPort = REGISTER_PORTS[i];

   462         valuePort = VALUE_PORTS[i];

   463 

   464         if (DetectWinbondFintek()) continue;

   465 

   466         if (DetectIT87()) continue;

   467 

   468         if (DetectSMSC()) continue;

   469       }

   470     }

   471 

   472     public LPCIO() {

   473       if (!Ring0.IsOpen)

   474         return;

   475 

   476       if (!Ring0.WaitIsaBusMutex(100))

   477         return;

   478 

   479       Detect();

   480 

   481       Ring0.ReleaseIsaBusMutex();

   482     }

   483 

   484     public ISuperIO[] SuperIO {

   485       get {

   486         return superIOs.ToArray();

   487       }

   488     }

   489 

   490     public string GetReport() {

   491       if (report.Length > 0) {

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

   493       } else

   494         return null;

   495     }

   496   }

   497 }
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