moel@110: /*
moel@110:
moel@344: This Source Code Form is subject to the terms of the Mozilla Public
moel@344: License, v. 2.0. If a copy of the MPL was not distributed with this
moel@344: file, You can obtain one at http://mozilla.org/MPL/2.0/.
moel@110:
moel@344: Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344:
moel@110: */
moel@110:
moel@110: using System;
moel@110: using System.Collections.Generic;
moel@166: using System.Globalization;
moel@110: using System.Text;
moel@110: using System.Threading;
moel@110:
moel@110: namespace OpenHardwareMonitor.Hardware.LPC {
moel@165: internal class LPCIO {
moel@110:
moel@195: private readonly List<ISuperIO> superIOs = new List<ISuperIO>();
moel@195: private readonly StringBuilder report = new StringBuilder();
moel@110:
moel@110: // I/O Ports
moel@195: private readonly ushort[] REGISTER_PORTS = new ushort[] { 0x2E, 0x4E };
moel@195: private readonly ushort[] VALUE_PORTS = new ushort[] { 0x2F, 0x4F };
moel@110:
moel@110: private ushort registerPort;
moel@110: private ushort valuePort;
moel@110:
moel@110: // Registers
moel@110: private const byte CONFIGURATION_CONTROL_REGISTER = 0x02;
moel@110: private const byte DEVCIE_SELECT_REGISTER = 0x07;
moel@110: private const byte CHIP_ID_REGISTER = 0x20;
moel@110: private const byte CHIP_REVISION_REGISTER = 0x21;
moel@110: private const byte BASE_ADDRESS_REGISTER = 0x60;
moel@110:
moel@110: private byte ReadByte(byte register) {
moel@236: Ring0.WriteIoPort(registerPort, register);
moel@236: return Ring0.ReadIoPort(valuePort);
moel@228: }
moel@110:
moel@110: private ushort ReadWord(byte register) {
moel@228: return (ushort)((ReadByte(register) << 8) |
moel@110: ReadByte((byte)(register + 1)));
moel@110: }
moel@110:
moel@110: private void Select(byte logicalDeviceNumber) {
moel@236: Ring0.WriteIoPort(registerPort, DEVCIE_SELECT_REGISTER);
moel@236: Ring0.WriteIoPort(valuePort, logicalDeviceNumber);
moel@110: }
moel@110:
moel@169: private void ReportUnknownChip(string type, int chip) {
moel@169: report.Append("Chip ID: Unknown ");
moel@169: report.Append(type);
moel@169: report.Append(" with ID 0x");
moel@169: report.Append(chip.ToString("X", CultureInfo.InvariantCulture));
moel@169: report.Append(" at 0x");
moel@169: report.Append(registerPort.ToString("X", CultureInfo.InvariantCulture));
moel@169: report.Append("/0x");
moel@169: report.AppendLine(valuePort.ToString("X", CultureInfo.InvariantCulture));
moel@169: report.AppendLine();
moel@110: }
moel@110:
moel@245: #region Winbond, Nuvoton, Fintek
moel@110:
moel@110: private const byte FINTEK_VENDOR_ID_REGISTER = 0x23;
moel@110: private const ushort FINTEK_VENDOR_ID = 0x1934;
moel@110:
moel@245: private const byte WINBOND_NUVOTON_HARDWARE_MONITOR_LDN = 0x0B;
moel@110:
moel@110: private const byte F71858_HARDWARE_MONITOR_LDN = 0x02;
moel@110: private const byte FINTEK_HARDWARE_MONITOR_LDN = 0x04;
moel@110:
moel@245: private void WinbondNuvotonFintekEnter() {
moel@236: Ring0.WriteIoPort(registerPort, 0x87);
moel@236: Ring0.WriteIoPort(registerPort, 0x87);
moel@110: }
moel@110:
moel@245: private void WinbondNuvotonFintekExit() {
moel@236: Ring0.WriteIoPort(registerPort, 0xAA);
moel@110: }
moel@110:
moel@167: private bool DetectWinbondFintek() {
moel@245: WinbondNuvotonFintekEnter();
moel@167:
moel@195: byte logicalDeviceNumber = 0;
moel@167: byte id = ReadByte(CHIP_ID_REGISTER);
moel@167: byte revision = ReadByte(CHIP_REVISION_REGISTER);
moel@167: Chip chip = Chip.Unknown;
moel@167: switch (id) {
moel@167: case 0x05:
moel@167: switch (revision) {
moel@167: case 0x07:
moel@167: chip = Chip.F71858;
moel@167: logicalDeviceNumber = F71858_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: case 0x41:
moel@167: chip = Chip.F71882;
moel@167: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x06:
moel@167: switch (revision) {
moel@167: case 0x01:
moel@167: chip = Chip.F71862;
moel@167: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x07:
moel@167: switch (revision) {
moel@167: case 0x23:
moel@167: chip = Chip.F71889F;
moel@167: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x08:
moel@167: switch (revision) {
moel@167: case 0x14:
moel@167: chip = Chip.F71869;
moel@167: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x09:
moel@167: switch (revision) {
moel@352: case 0x01:
moel@352: chip = Chip.F71808E;
moel@352: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@352: break;
moel@167: case 0x09:
moel@167: chip = Chip.F71889ED;
moel@167: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@296: case 0x10:
moel@296: switch (revision) {
moel@296: case 0x05:
moel@296: chip = Chip.F71889AD;
moel@296: logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
moel@296: break;
moel@296: } break;
moel@167: case 0x52:
moel@167: switch (revision) {
moel@167: case 0x17:
moel@167: case 0x3A:
moel@167: case 0x41:
moel@167: chip = Chip.W83627HF;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x82:
moel@167: switch (revision & 0xF0) {
moel@167: case 0x80:
moel@167: chip = Chip.W83627THF;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x85:
moel@167: switch (revision) {
moel@167: case 0x41:
moel@167: chip = Chip.W83687THF;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0x88:
moel@167: switch (revision & 0xF0) {
moel@167: case 0x50:
moel@167: case 0x60:
moel@167: chip = Chip.W83627EHF;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0xA0:
moel@167: switch (revision & 0xF0) {
moel@167: case 0x20:
moel@167: chip = Chip.W83627DHG;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0xA5:
moel@167: switch (revision & 0xF0) {
moel@167: case 0x10:
moel@167: chip = Chip.W83667HG;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0xB0:
moel@167: switch (revision & 0xF0) {
moel@167: case 0x70:
moel@167: chip = Chip.W83627DHGP;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@167: case 0xB3:
moel@167: switch (revision & 0xF0) {
moel@167: case 0x50:
moel@167: chip = Chip.W83667HGB;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@245: break;
moel@245: } break;
moel@245: case 0xB4:
moel@245: switch (revision & 0xF0) {
moel@245: case 0x70:
moel@245: chip = Chip.NCT6771F;
moel@245: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@167: break;
moel@167: } break;
moel@265: case 0xC3:
moel@265: switch (revision & 0xF0) {
moel@265: case 0x30:
moel@265: chip = Chip.NCT6776F;
moel@265: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@265: break;
moel@265: } break;
moel@355: case 0xC5:
moel@355: switch (revision & 0xF0) {
moel@355: case 0x60:
moel@355: chip = Chip.NCT6779D;
moel@355: logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
moel@355: break;
moel@355: } break;
moel@167: }
moel@167: if (chip == Chip.Unknown) {
moel@167: if (id != 0 && id != 0xff) {
moel@245: WinbondNuvotonFintekExit();
moel@167:
moel@245: ReportUnknownChip("Winbond / Nuvoton / Fintek",
moel@245: ((id << 8) | revision));
moel@167: }
moel@167: } else {
moel@167:
moel@167: Select(logicalDeviceNumber);
moel@167: ushort address = ReadWord(BASE_ADDRESS_REGISTER);
moel@167: Thread.Sleep(1);
moel@167: ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
moel@167:
moel@167: ushort vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);
moel@167:
moel@245: WinbondNuvotonFintekExit();
moel@167:
moel@167: if (address != verify) {
moel@167: report.Append("Chip ID: 0x");
moel@167: report.AppendLine(chip.ToString("X"));
moel@167: report.Append("Chip revision: 0x");
moel@228: report.AppendLine(revision.ToString("X",
moel@167: CultureInfo.InvariantCulture));
moel@167: report.AppendLine("Error: Address verification failed");
moel@167: report.AppendLine();
moel@167: return false;
moel@167: }
moel@167:
moel@167: // some Fintek chips have address register offset 0x05 added already
moel@167: if ((address & 0x07) == 0x05)
moel@167: address &= 0xFFF8;
moel@167:
moel@167: if (address < 0x100 || (address & 0xF007) != 0) {
moel@167: report.Append("Chip ID: 0x");
moel@167: report.AppendLine(chip.ToString("X"));
moel@167: report.Append("Chip revision: 0x");
moel@228: report.AppendLine(revision.ToString("X",
moel@167: CultureInfo.InvariantCulture));
moel@167: report.Append("Error: Invalid address 0x");
moel@228: report.AppendLine(address.ToString("X",
moel@167: CultureInfo.InvariantCulture));
moel@167: report.AppendLine();
moel@167: return false;
moel@167: }
moel@167:
moel@167: switch (chip) {
moel@167: case Chip.W83627DHG:
moel@167: case Chip.W83627DHGP:
moel@167: case Chip.W83627EHF:
moel@167: case Chip.W83627HF:
moel@167: case Chip.W83627THF:
moel@167: case Chip.W83667HG:
moel@167: case Chip.W83667HGB:
moel@167: case Chip.W83687THF:
moel@167: superIOs.Add(new W836XX(chip, revision, address));
moel@167: break;
moel@245: case Chip.NCT6771F:
moel@265: case Chip.NCT6776F:
moel@355: case Chip.NCT6779D:
moel@245: superIOs.Add(new NCT677X(chip, revision, address));
moel@245: break;
moel@167: case Chip.F71858:
moel@167: case Chip.F71862:
moel@167: case Chip.F71869:
moel@167: case Chip.F71882:
moel@296: case Chip.F71889AD:
moel@167: case Chip.F71889ED:
moel@167: case Chip.F71889F:
moel@352: case Chip.F71808E:
moel@167: if (vendorID != FINTEK_VENDOR_ID) {
moel@167: report.Append("Chip ID: 0x");
moel@167: report.AppendLine(chip.ToString("X"));
moel@167: report.Append("Chip revision: 0x");
moel@228: report.AppendLine(revision.ToString("X",
moel@167: CultureInfo.InvariantCulture));
moel@167: report.Append("Error: Invalid vendor ID 0x");
moel@228: report.AppendLine(vendorID.ToString("X",
moel@167: CultureInfo.InvariantCulture));
moel@167: report.AppendLine();
moel@167: return false;
moel@167: }
moel@167: superIOs.Add(new F718XX(chip, address));
moel@167: break;
moel@167: default: break;
moel@167: }
moel@167:
moel@167: return true;
moel@167: }
moel@167:
moel@167: return false;
moel@167: }
moel@167:
moel@169: #endregion
moel@169:
moel@169: #region ITE
moel@169:
moel@169: private const byte IT87_ENVIRONMENT_CONTROLLER_LDN = 0x04;
moel@353: private const byte IT8705_GPIO_LDN = 0x05;
moel@353: private const byte IT87XX_GPIO_LDN = 0x07;
moel@169: private const byte IT87_CHIP_VERSION_REGISTER = 0x22;
moel@169:
moel@169: private void IT87Enter() {
moel@236: Ring0.WriteIoPort(registerPort, 0x87);
moel@236: Ring0.WriteIoPort(registerPort, 0x01);
moel@236: Ring0.WriteIoPort(registerPort, 0x55);
moel@236: Ring0.WriteIoPort(registerPort, 0x55);
moel@169: }
moel@169:
moel@169: private void IT87Exit() {
moel@236: Ring0.WriteIoPort(registerPort, CONFIGURATION_CONTROL_REGISTER);
moel@236: Ring0.WriteIoPort(valuePort, 0x02);
moel@169: }
moel@169:
moel@167: private bool DetectIT87() {
moel@169:
moel@169: // IT87XX can enter only on port 0x2E
moel@169: if (registerPort != 0x2E)
moel@169: return false;
moel@169:
moel@167: IT87Enter();
moel@167:
moel@167: ushort chipID = ReadWord(CHIP_ID_REGISTER);
moel@167: Chip chip;
moel@167: switch (chipID) {
moel@353: case 0x8705: chip = Chip.IT8705F; break;
moel@167: case 0x8712: chip = Chip.IT8712F; break;
moel@167: case 0x8716: chip = Chip.IT8716F; break;
moel@167: case 0x8718: chip = Chip.IT8718F; break;
moel@167: case 0x8720: chip = Chip.IT8720F; break;
moel@170: case 0x8721: chip = Chip.IT8721F; break;
moel@167: case 0x8726: chip = Chip.IT8726F; break;
moel@277: case 0x8728: chip = Chip.IT8728F; break;
moel@341: case 0x8771: chip = Chip.IT8771E; break;
moel@319: case 0x8772: chip = Chip.IT8772E; break;
moel@167: default: chip = Chip.Unknown; break;
moel@167: }
moel@167: if (chip == Chip.Unknown) {
moel@167: if (chipID != 0 && chipID != 0xffff) {
moel@167: IT87Exit();
moel@167:
moel@167: ReportUnknownChip("ITE", chipID);
moel@167: }
moel@167: } else {
moel@167: Select(IT87_ENVIRONMENT_CONTROLLER_LDN);
moel@167: ushort address = ReadWord(BASE_ADDRESS_REGISTER);
moel@167: Thread.Sleep(1);
moel@167: ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
moel@167:
moel@167: byte version = (byte)(ReadByte(IT87_CHIP_VERSION_REGISTER) & 0x0F);
moel@167:
moel@353: ushort gpioAddress;
moel@353: ushort gpioVerify;
moel@353: if (chip == Chip.IT8705F) {
moel@353: Select(IT8705_GPIO_LDN);
moel@353: gpioAddress = ReadWord(BASE_ADDRESS_REGISTER);
moel@353: Thread.Sleep(1);
moel@353: gpioVerify = ReadWord(BASE_ADDRESS_REGISTER);
moel@353: } else {
moel@353: Select(IT87XX_GPIO_LDN);
moel@353: gpioAddress = ReadWord(BASE_ADDRESS_REGISTER + 2);
moel@353: Thread.Sleep(1);
moel@353: gpioVerify = ReadWord(BASE_ADDRESS_REGISTER + 2);
moel@353: }
moel@353:
moel@167: IT87Exit();
moel@167:
moel@167: if (address != verify || address < 0x100 || (address & 0xF007) != 0) {
moel@167: report.Append("Chip ID: 0x");
moel@167: report.AppendLine(chip.ToString("X"));
moel@167: report.Append("Error: Invalid address 0x");
moel@167: report.AppendLine(address.ToString("X",
moel@167: CultureInfo.InvariantCulture));
moel@167: report.AppendLine();
moel@167: return false;
moel@167: }
moel@167:
moel@228: if (gpioAddress != gpioVerify || gpioAddress < 0x100 ||
moel@228: (gpioAddress & 0xF007) != 0) {
moel@228: report.Append("Chip ID: 0x");
moel@228: report.AppendLine(chip.ToString("X"));
moel@228: report.Append("Error: Invalid GPIO address 0x");
moel@228: report.AppendLine(gpioAddress.ToString("X",
moel@228: CultureInfo.InvariantCulture));
moel@228: report.AppendLine();
moel@228: return false;
moel@228: }
moel@228:
moel@228: superIOs.Add(new IT87XX(chip, address, gpioAddress, version));
moel@167: return true;
moel@167: }
moel@167:
moel@167: return false;
moel@167: }
moel@167:
moel@169: #endregion
moel@169:
moel@169: #region SMSC
moel@169:
moel@169: private void SMSCEnter() {
moel@236: Ring0.WriteIoPort(registerPort, 0x55);
moel@169: }
moel@169:
moel@169: private void SMSCExit() {
moel@236: Ring0.WriteIoPort(registerPort, 0xAA);
moel@169: }
moel@169:
moel@167: private bool DetectSMSC() {
moel@167: SMSCEnter();
moel@167:
moel@167: ushort chipID = ReadWord(CHIP_ID_REGISTER);
moel@167: Chip chip;
moel@167: switch (chipID) {
moel@167: default: chip = Chip.Unknown; break;
moel@167: }
moel@167: if (chip == Chip.Unknown) {
moel@167: if (chipID != 0 && chipID != 0xffff) {
moel@167: SMSCExit();
moel@167:
moel@167: ReportUnknownChip("SMSC", chipID);
moel@167: }
moel@167: } else {
moel@167: SMSCExit();
moel@167: return true;
moel@167: }
moel@167:
moel@167: return false;
moel@167: }
moel@167:
moel@169: #endregion
moel@169:
moel@163: private void Detect() {
moel@110:
moel@110: for (int i = 0; i < REGISTER_PORTS.Length; i++) {
moel@110: registerPort = REGISTER_PORTS[i];
moel@110: valuePort = VALUE_PORTS[i];
moel@110:
moel@167: if (DetectWinbondFintek()) continue;
moel@110:
moel@167: if (DetectIT87()) continue;
moel@110:
moel@167: if (DetectSMSC()) continue;
moel@228: }
moel@163: }
moel@163:
moel@163: public LPCIO() {
moel@236: if (!Ring0.IsOpen)
moel@163: return;
moel@163:
moel@236: if (!Ring0.WaitIsaBusMutex(100))
moel@163: return;
moel@163:
moel@163: Detect();
moel@163:
moel@236: Ring0.ReleaseIsaBusMutex();
moel@110: }
moel@110:
moel@130: public ISuperIO[] SuperIO {
moel@110: get {
moel@130: return superIOs.ToArray();
moel@110: }
moel@110: }
moel@110:
moel@110: public string GetReport() {
moel@110: if (report.Length > 0) {
moel@195: return "LPCIO" + Environment.NewLine + Environment.NewLine + report;
moel@110: } else
moel@110: return null;
moel@110: }
moel@110: }
moel@110: }