Fixed the temperature reading and improved the report for the Nuvoton NCT6771F super I/O chip.
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.
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
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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.
39 using System.Collections.Generic;
40 using System.Globalization;
42 using System.Threading;
44 namespace OpenHardwareMonitor.Hardware.LPC {
45 internal class LPCIO {
47 private readonly List<ISuperIO> superIOs = new List<ISuperIO>();
48 private readonly StringBuilder report = new StringBuilder();
51 private readonly ushort[] REGISTER_PORTS = new ushort[] { 0x2E, 0x4E };
52 private readonly ushort[] VALUE_PORTS = new ushort[] { 0x2F, 0x4F };
54 private ushort registerPort;
55 private ushort valuePort;
58 private const byte CONFIGURATION_CONTROL_REGISTER = 0x02;
59 private const byte DEVCIE_SELECT_REGISTER = 0x07;
60 private const byte CHIP_ID_REGISTER = 0x20;
61 private const byte CHIP_REVISION_REGISTER = 0x21;
62 private const byte BASE_ADDRESS_REGISTER = 0x60;
64 private byte ReadByte(byte register) {
65 Ring0.WriteIoPort(registerPort, register);
66 return Ring0.ReadIoPort(valuePort);
69 private ushort ReadWord(byte register) {
70 return (ushort)((ReadByte(register) << 8) |
71 ReadByte((byte)(register + 1)));
74 private void Select(byte logicalDeviceNumber) {
75 Ring0.WriteIoPort(registerPort, DEVCIE_SELECT_REGISTER);
76 Ring0.WriteIoPort(valuePort, logicalDeviceNumber);
79 private void ReportUnknownChip(string type, int chip) {
80 report.Append("Chip ID: Unknown ");
82 report.Append(" with ID 0x");
83 report.Append(chip.ToString("X", CultureInfo.InvariantCulture));
84 report.Append(" at 0x");
85 report.Append(registerPort.ToString("X", CultureInfo.InvariantCulture));
87 report.AppendLine(valuePort.ToString("X", CultureInfo.InvariantCulture));
91 #region Winbond, Nuvoton, Fintek
93 private const byte FINTEK_VENDOR_ID_REGISTER = 0x23;
94 private const ushort FINTEK_VENDOR_ID = 0x1934;
96 private const byte WINBOND_NUVOTON_HARDWARE_MONITOR_LDN = 0x0B;
98 private const byte F71858_HARDWARE_MONITOR_LDN = 0x02;
99 private const byte FINTEK_HARDWARE_MONITOR_LDN = 0x04;
101 private void WinbondNuvotonFintekEnter() {
102 Ring0.WriteIoPort(registerPort, 0x87);
103 Ring0.WriteIoPort(registerPort, 0x87);
106 private void WinbondNuvotonFintekExit() {
107 Ring0.WriteIoPort(registerPort, 0xAA);
110 private bool DetectWinbondFintek() {
111 WinbondNuvotonFintekEnter();
113 byte logicalDeviceNumber = 0;
114 byte id = ReadByte(CHIP_ID_REGISTER);
115 byte revision = ReadByte(CHIP_REVISION_REGISTER);
116 Chip chip = Chip.Unknown;
122 logicalDeviceNumber = F71858_HARDWARE_MONITOR_LDN;
126 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
133 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
140 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
147 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
153 chip = Chip.F71889ED;
154 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
162 chip = Chip.W83627HF;
163 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
167 switch (revision & 0xF0) {
169 chip = Chip.W83627THF;
170 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
176 chip = Chip.W83687THF;
177 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
181 switch (revision & 0xF0) {
184 chip = Chip.W83627EHF;
185 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
189 switch (revision & 0xF0) {
191 chip = Chip.W83627DHG;
192 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
196 switch (revision & 0xF0) {
198 chip = Chip.W83667HG;
199 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
203 switch (revision & 0xF0) {
205 chip = Chip.W83627DHGP;
206 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
210 switch (revision & 0xF0) {
212 chip = Chip.W83667HGB;
213 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
217 switch (revision & 0xF0) {
219 chip = Chip.NCT6771F;
220 logicalDeviceNumber = WINBOND_NUVOTON_HARDWARE_MONITOR_LDN;
224 if (chip == Chip.Unknown) {
225 if (id != 0 && id != 0xff) {
226 WinbondNuvotonFintekExit();
228 ReportUnknownChip("Winbond / Nuvoton / Fintek",
229 ((id << 8) | revision));
233 Select(logicalDeviceNumber);
234 ushort address = ReadWord(BASE_ADDRESS_REGISTER);
236 ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
238 ushort vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);
240 WinbondNuvotonFintekExit();
242 if (address != verify) {
243 report.Append("Chip ID: 0x");
244 report.AppendLine(chip.ToString("X"));
245 report.Append("Chip revision: 0x");
246 report.AppendLine(revision.ToString("X",
247 CultureInfo.InvariantCulture));
248 report.AppendLine("Error: Address verification failed");
253 // some Fintek chips have address register offset 0x05 added already
254 if ((address & 0x07) == 0x05)
257 if (address < 0x100 || (address & 0xF007) != 0) {
258 report.Append("Chip ID: 0x");
259 report.AppendLine(chip.ToString("X"));
260 report.Append("Chip revision: 0x");
261 report.AppendLine(revision.ToString("X",
262 CultureInfo.InvariantCulture));
263 report.Append("Error: Invalid address 0x");
264 report.AppendLine(address.ToString("X",
265 CultureInfo.InvariantCulture));
272 case Chip.W83627DHGP:
279 superIOs.Add(new W836XX(chip, revision, address));
282 superIOs.Add(new NCT677X(chip, revision, address));
290 if (vendorID != FINTEK_VENDOR_ID) {
291 report.Append("Chip ID: 0x");
292 report.AppendLine(chip.ToString("X"));
293 report.Append("Chip revision: 0x");
294 report.AppendLine(revision.ToString("X",
295 CultureInfo.InvariantCulture));
296 report.Append("Error: Invalid vendor ID 0x");
297 report.AppendLine(vendorID.ToString("X",
298 CultureInfo.InvariantCulture));
302 superIOs.Add(new F718XX(chip, address));
317 private const byte IT87_ENVIRONMENT_CONTROLLER_LDN = 0x04;
318 private const byte IT87_GPIO_LDN = 0x07;
319 private const byte IT87_CHIP_VERSION_REGISTER = 0x22;
321 private void IT87Enter() {
322 Ring0.WriteIoPort(registerPort, 0x87);
323 Ring0.WriteIoPort(registerPort, 0x01);
324 Ring0.WriteIoPort(registerPort, 0x55);
325 Ring0.WriteIoPort(registerPort, 0x55);
328 private void IT87Exit() {
329 Ring0.WriteIoPort(registerPort, CONFIGURATION_CONTROL_REGISTER);
330 Ring0.WriteIoPort(valuePort, 0x02);
333 private bool DetectIT87() {
335 // IT87XX can enter only on port 0x2E
336 if (registerPort != 0x2E)
341 ushort chipID = ReadWord(CHIP_ID_REGISTER);
344 case 0x8712: chip = Chip.IT8712F; break;
345 case 0x8716: chip = Chip.IT8716F; break;
346 case 0x8718: chip = Chip.IT8718F; break;
347 case 0x8720: chip = Chip.IT8720F; break;
348 case 0x8721: chip = Chip.IT8721F; break;
349 case 0x8726: chip = Chip.IT8726F; break;
350 default: chip = Chip.Unknown; break;
352 if (chip == Chip.Unknown) {
353 if (chipID != 0 && chipID != 0xffff) {
356 ReportUnknownChip("ITE", chipID);
359 Select(IT87_ENVIRONMENT_CONTROLLER_LDN);
360 ushort address = ReadWord(BASE_ADDRESS_REGISTER);
362 ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
364 byte version = (byte)(ReadByte(IT87_CHIP_VERSION_REGISTER) & 0x0F);
366 Select(IT87_GPIO_LDN);
367 ushort gpioAddress = ReadWord(BASE_ADDRESS_REGISTER + 2);
369 ushort gpioVerify = ReadWord(BASE_ADDRESS_REGISTER + 2);
373 if (address != verify || address < 0x100 || (address & 0xF007) != 0) {
374 report.Append("Chip ID: 0x");
375 report.AppendLine(chip.ToString("X"));
376 report.Append("Error: Invalid address 0x");
377 report.AppendLine(address.ToString("X",
378 CultureInfo.InvariantCulture));
383 if (gpioAddress != gpioVerify || gpioAddress < 0x100 ||
384 (gpioAddress & 0xF007) != 0) {
385 report.Append("Chip ID: 0x");
386 report.AppendLine(chip.ToString("X"));
387 report.Append("Error: Invalid GPIO address 0x");
388 report.AppendLine(gpioAddress.ToString("X",
389 CultureInfo.InvariantCulture));
394 superIOs.Add(new IT87XX(chip, address, gpioAddress, version));
405 private void SMSCEnter() {
406 Ring0.WriteIoPort(registerPort, 0x55);
409 private void SMSCExit() {
410 Ring0.WriteIoPort(registerPort, 0xAA);
413 private bool DetectSMSC() {
416 ushort chipID = ReadWord(CHIP_ID_REGISTER);
419 default: chip = Chip.Unknown; break;
421 if (chip == Chip.Unknown) {
422 if (chipID != 0 && chipID != 0xffff) {
425 ReportUnknownChip("SMSC", chipID);
437 private void Detect() {
439 for (int i = 0; i < REGISTER_PORTS.Length; i++) {
440 registerPort = REGISTER_PORTS[i];
441 valuePort = VALUE_PORTS[i];
443 if (DetectWinbondFintek()) continue;
445 if (DetectIT87()) continue;
447 if (DetectSMSC()) continue;
455 if (!Ring0.WaitIsaBusMutex(100))
460 Ring0.ReleaseIsaBusMutex();
463 public ISuperIO[] SuperIO {
465 return superIOs.ToArray();
469 public string GetReport() {
470 if (report.Length > 0) {
471 return "LPCIO" + Environment.NewLine + Environment.NewLine + report;