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Hardware/LPC/LPCIO.cs
author moel.mich
Sat, 11 Aug 2012 21:48:54 +0000
changeset 379 7af3aaeb42e9
parent 353 b4e37f5b2669
permissions -rw-r--r--
Added a few checks and delays to the driver loading code to increase the chance of loading the driver. 
     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         case 0xC5:

   215           switch (revision & 0xF0) {

   216             case 0x60:

   217               chip = Chip.NCT6779D;

   218               logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;

   219               break;

   220           } break;

   221       }

   222       if (chip == Chip.Unknown) {

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

   224           WinbondNuvotonFintekExit();

   225 

   226           ReportUnknownChip("Winbond / Nuvoton / Fintek", 

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

   228         }

   229       } else {

   230 

   231         Select(logicalDeviceNumber);

   232         ushort address = ReadWord(BASE_ADDRESS_REGISTER);

   233         Thread.Sleep(1);

   234         ushort verify = ReadWord(BASE_ADDRESS_REGISTER);

   235 

   236         ushort vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);

   237 

   238         WinbondNuvotonFintekExit();

   239 

   240         if (address != verify) {

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

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

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

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

   245             CultureInfo.InvariantCulture));

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

   247           report.AppendLine();

   248           return false;

   249         }

   250 

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

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

   253           address &= 0xFFF8;

   254 

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

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

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

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

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

   260             CultureInfo.InvariantCulture));

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

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

   263             CultureInfo.InvariantCulture));

   264           report.AppendLine();

   265           return false;

   266         }

   267 

   268         switch (chip) {

   269           case Chip.W83627DHG:

   270           case Chip.W83627DHGP:

   271           case Chip.W83627EHF:

   272           case Chip.W83627HF:

   273           case Chip.W83627THF:

   274           case Chip.W83667HG:

   275           case Chip.W83667HGB:

   276           case Chip.W83687THF:

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

   278             break;

   279           case Chip.NCT6771F:

   280           case Chip.NCT6776F:

   281           case Chip.NCT6779D:

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

   283             break;

   284           case Chip.F71858:

   285           case Chip.F71862:

   286           case Chip.F71869:

   287           case Chip.F71882:

   288           case Chip.F71889AD:

   289           case Chip.F71889ED:

   290           case Chip.F71889F:

   291           case Chip.F71808E:

   292             if (vendorID != FINTEK_VENDOR_ID) {

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

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

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

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

   297                 CultureInfo.InvariantCulture));

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

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

   300                 CultureInfo.InvariantCulture));

   301               report.AppendLine();

   302               return false;

   303             }

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

   305             break;

   306           default: break;

   307         }

   308 

   309         return true;

   310       }

   311 

   312       return false;

   313     }

   314 

   315     #endregion

   316 

   317     #region ITE

   318 

   319     private const byte IT87_ENVIRONMENT_CONTROLLER_LDN = 0x04;

   320     private const byte IT8705_GPIO_LDN = 0x05;

   321     private const byte IT87XX_GPIO_LDN = 0x07;

   322     private const byte IT87_CHIP_VERSION_REGISTER = 0x22;

   323 

   324     private void IT87Enter() {

   325       Ring0.WriteIoPort(registerPort, 0x87);

   326       Ring0.WriteIoPort(registerPort, 0x01);

   327       Ring0.WriteIoPort(registerPort, 0x55);

   328       Ring0.WriteIoPort(registerPort, 0x55);

   329     }

   330 

   331     private void IT87Exit() {

   332       Ring0.WriteIoPort(registerPort, CONFIGURATION_CONTROL_REGISTER);

   333       Ring0.WriteIoPort(valuePort, 0x02);

   334     }

   335 

   336     private bool DetectIT87() {

   337 

   338       // IT87XX can enter only on port 0x2E

   339       if (registerPort != 0x2E)

   340         return false;

   341 

   342       IT87Enter();

   343 

   344       ushort chipID = ReadWord(CHIP_ID_REGISTER);

   345       Chip chip;

   346       switch (chipID) {

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

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

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

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

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

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

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

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

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

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

   357         default: chip = Chip.Unknown; break;

   358       }

   359       if (chip == Chip.Unknown) {

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

   361           IT87Exit();

   362 

   363           ReportUnknownChip("ITE", chipID);

   364         }

   365       } else {

   366         Select(IT87_ENVIRONMENT_CONTROLLER_LDN);

   367         ushort address = ReadWord(BASE_ADDRESS_REGISTER);

   368         Thread.Sleep(1);

   369         ushort verify = ReadWord(BASE_ADDRESS_REGISTER);

   370 

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

   372 

   373         ushort gpioAddress;

   374         ushort gpioVerify;

   375         if (chip == Chip.IT8705F) {

   376           Select(IT8705_GPIO_LDN);

   377           gpioAddress = ReadWord(BASE_ADDRESS_REGISTER);

   378           Thread.Sleep(1);

   379           gpioVerify = ReadWord(BASE_ADDRESS_REGISTER);

   380         } else {

   381           Select(IT87XX_GPIO_LDN);

   382           gpioAddress = ReadWord(BASE_ADDRESS_REGISTER + 2);

   383           Thread.Sleep(1);

   384           gpioVerify = ReadWord(BASE_ADDRESS_REGISTER + 2);

   385         }

   386         

   387         IT87Exit();

   388 

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

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

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

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

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

   394             CultureInfo.InvariantCulture));

   395           report.AppendLine();

   396           return false;

   397         }

   398 

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

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

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

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

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

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

   405             CultureInfo.InvariantCulture));

   406           report.AppendLine();

   407           return false;

   408         }

   409 

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

   411         return true;

   412       }

   413 

   414       return false;

   415     }

   416 

   417     #endregion

   418 

   419     #region SMSC

   420 

   421     private void SMSCEnter() {

   422       Ring0.WriteIoPort(registerPort, 0x55);

   423     }

   424 

   425     private void SMSCExit() {

   426       Ring0.WriteIoPort(registerPort, 0xAA);

   427     }

   428 

   429     private bool DetectSMSC() {

   430       SMSCEnter();

   431 

   432       ushort chipID = ReadWord(CHIP_ID_REGISTER);

   433       Chip chip;

   434       switch (chipID) {

   435         default: chip = Chip.Unknown; break;

   436       }

   437       if (chip == Chip.Unknown) {

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

   439           SMSCExit();

   440 

   441           ReportUnknownChip("SMSC", chipID);

   442         }

   443       } else {

   444         SMSCExit();

   445         return true;

   446       }

   447 

   448       return false;

   449     }

   450 

   451     #endregion

   452 

   453     private void Detect() {

   454 

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

   456         registerPort = REGISTER_PORTS[i];

   457         valuePort = VALUE_PORTS[i];

   458 

   459         if (DetectWinbondFintek()) continue;

   460 

   461         if (DetectIT87()) continue;

   462 

   463         if (DetectSMSC()) continue;

   464       }

   465     }

   466 

   467     public LPCIO() {

   468       if (!Ring0.IsOpen)

   469         return;

   470 

   471       if (!Ring0.WaitIsaBusMutex(100))

   472         return;

   473 

   474       Detect();

   475 

   476       Ring0.ReleaseIsaBusMutex();

   477     }

   478 

   479     public ISuperIO[] SuperIO {

   480       get {

   481         return superIOs.ToArray();

   482       }

   483     }

   484 

   485     public string GetReport() {

   486       if (report.Length > 0) {

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

   488       } else

   489         return null;

   490     }

   491   }

   492 }
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