Extended the ITE super I/O voltage reading by adding hidden voltage sensors for unknown channels. Added a few known DFI and Gigabyte mainboard voltage configurations.
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
29 under the terms of either the GPL or the LGPL, and not to allow others to
30 use your version of this file under the terms of the MPL, indicate your
31 decision by deleting the provisions above and replace them with the notice
32 and other provisions required by the GPL or the LGPL. If you do not delete
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;
41 using System.Threading;
43 namespace OpenHardwareMonitor.Hardware.LPC {
46 private List<IHardware> hardware = new List<IHardware>();
47 private StringBuilder report = new StringBuilder();
49 private Chip chip = Chip.Unknown;
52 private ushort[] REGISTER_PORTS = new ushort[] { 0x2e, 0x4e };
53 private ushort[] VALUE_PORTS = new ushort[] { 0x2f, 0x4f };
55 private ushort registerPort;
56 private ushort valuePort;
59 private const byte CONFIGURATION_CONTROL_REGISTER = 0x02;
60 private const byte DEVCIE_SELECT_REGISTER = 0x07;
61 private const byte CHIP_ID_REGISTER = 0x20;
62 private const byte CHIP_REVISION_REGISTER = 0x21;
63 private const byte BASE_ADDRESS_REGISTER = 0x60;
65 private byte ReadByte(byte register) {
66 WinRing0.WriteIoPortByte(registerPort, register);
67 return WinRing0.ReadIoPortByte(valuePort);
70 private ushort ReadWord(byte register) {
71 return (ushort)((ReadByte(register) << 8) |
72 ReadByte((byte)(register + 1)));
75 private void Select(byte logicalDeviceNumber) {
76 WinRing0.WriteIoPortByte(registerPort, DEVCIE_SELECT_REGISTER);
77 WinRing0.WriteIoPortByte(valuePort, logicalDeviceNumber);
81 private const byte IT87_ENVIRONMENT_CONTROLLER_LDN = 0x04;
83 private void IT87Enter() {
84 WinRing0.WriteIoPortByte(registerPort, 0x87);
85 WinRing0.WriteIoPortByte(registerPort, 0x01);
86 WinRing0.WriteIoPortByte(registerPort, 0x55);
87 WinRing0.WriteIoPortByte(registerPort, 0x55);
90 internal void IT87Exit() {
91 WinRing0.WriteIoPortByte(registerPort, CONFIGURATION_CONTROL_REGISTER);
92 WinRing0.WriteIoPortByte(valuePort, 0x02);
96 private const byte FINTEK_VENDOR_ID_REGISTER = 0x23;
97 private const ushort FINTEK_VENDOR_ID = 0x1934;
99 private const byte WINBOND_HARDWARE_MONITOR_LDN = 0x0B;
101 private const byte F71858_HARDWARE_MONITOR_LDN = 0x02;
102 private const byte FINTEK_HARDWARE_MONITOR_LDN = 0x04;
104 private void WinbondFintekEnter() {
105 WinRing0.WriteIoPortByte(registerPort, 0x87);
106 WinRing0.WriteIoPortByte(registerPort, 0x87);
109 private void WinbondFintekExit() {
110 WinRing0.WriteIoPortByte(registerPort, 0xAA);
114 private void SMSCEnter() {
115 WinRing0.WriteIoPortByte(registerPort, 0x55);
118 private void SMSCExit() {
119 WinRing0.WriteIoPortByte(registerPort, 0xAA);
122 public LPCIO(Mainboard.Manufacturer mainboardManufacturer,
123 Mainboard.Model mainboardModel)
125 if (!WinRing0.IsAvailable)
128 for (int i = 0; i < REGISTER_PORTS.Length; i++) {
129 registerPort = REGISTER_PORTS[i];
130 valuePort = VALUE_PORTS[i];
132 WinbondFintekEnter();
134 byte logicalDeviceNumber;
135 byte id = ReadByte(CHIP_ID_REGISTER);
136 byte revision = ReadByte(CHIP_REVISION_REGISTER);
138 logicalDeviceNumber = 0;
144 logicalDeviceNumber = F71858_HARDWARE_MONITOR_LDN;
148 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
155 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
162 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
169 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
175 chip = Chip.F71889ED;
176 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
184 chip = Chip.W83627HF;
185 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
191 chip = Chip.W83627THF;
192 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
198 chip = Chip.W83687THF;
199 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
203 switch (revision & 0xF0) {
206 chip = Chip.W83627EHF;
207 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
211 switch (revision & 0xF0) {
213 chip = Chip.W83627DHG;
214 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
218 switch (revision & 0xF0) {
220 chip = Chip.W83667HG;
221 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
225 switch (revision & 0xF0) {
227 chip = Chip.W83627DHGP;
228 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
232 switch (revision & 0xF0) {
234 chip = Chip.W83667HGB;
235 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
239 if (chip == Chip.Unknown) {
240 if (id != 0 && id != 0xff) {
243 report.Append("Chip ID: Unknown Winbond / Fintek with ID 0x");
244 report.AppendLine(((id << 8) | revision).ToString("X"));
249 Select(logicalDeviceNumber);
250 ushort address = ReadWord(BASE_ADDRESS_REGISTER);
252 ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
254 ushort vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);
258 if (address != verify) {
259 report.Append("Chip ID: 0x");
260 report.AppendLine(chip.ToString("X"));
261 report.Append("Chip revision: 0x");
262 report.AppendLine(revision.ToString("X"));
263 report.AppendLine("Error: Address verification failed");
268 // some Fintek chips have address register offset 0x05 added already
269 if ((address & 0x07) == 0x05)
272 if (address < 0x100 || (address & 0xF007) != 0) {
273 report.Append("Chip ID: 0x");
274 report.AppendLine(chip.ToString("X"));
275 report.Append("Chip revision: 0x");
276 report.AppendLine(revision.ToString("X"));
277 report.Append("Error: Invalid address 0x");
278 report.AppendLine(address.ToString("X"));
285 case Chip.W83627DHGP:
292 W836XX w836XX = new W836XX(chip, revision, address);
293 if (w836XX.IsAvailable)
294 hardware.Add(w836XX);
302 if (vendorID != FINTEK_VENDOR_ID) {
303 report.Append("Chip ID: 0x");
304 report.AppendLine(chip.ToString("X"));
305 report.Append("Chip revision: 0x");
306 report.AppendLine(revision.ToString("X"));
307 report.Append("Error: Invalid vendor ID 0x");
308 report.AppendLine(vendorID.ToString("X"));
312 hardware.Add(new F718XX(chip, address));
322 ushort chipID = ReadWord(CHIP_ID_REGISTER);
324 case 0x8712: chip = Chip.IT8712F; break;
325 case 0x8716: chip = Chip.IT8716F; break;
326 case 0x8718: chip = Chip.IT8718F; break;
327 case 0x8720: chip = Chip.IT8720F; break;
328 case 0x8726: chip = Chip.IT8726F; break;
329 default: chip = Chip.Unknown; break;
331 if (chip == Chip.Unknown) {
332 if (chipID != 0 && chipID != 0xffff) {
335 report.Append("Chip ID: Unknown ITE with ID 0x");
336 report.AppendLine(chipID.ToString("X"));
340 Select(IT87_ENVIRONMENT_CONTROLLER_LDN);
341 ushort address = ReadWord(BASE_ADDRESS_REGISTER);
343 ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
347 if (address != verify || address < 0x100 || (address & 0xF007) != 0) {
348 report.Append("Chip ID: 0x");
349 report.AppendLine(chip.ToString("X"));
350 report.Append("Error: Invalid address 0x");
351 report.AppendLine(address.ToString("X"));
356 IT87XX it87 = new IT87XX(chip, address, mainboardManufacturer,
358 if (it87.IsAvailable)
366 chipID = ReadWord(CHIP_ID_REGISTER);
368 default: chip = Chip.Unknown; break;
370 if (chip == Chip.Unknown) {
371 if (chipID != 0 && chipID != 0xffff) {
374 report.Append("Chip ID: Unknown SMSC with ID 0x");
375 report.AppendLine(chipID.ToString("X"));
386 public IHardware[] Hardware {
388 return hardware.ToArray();
392 public string GetReport() {
393 if (report.Length > 0) {
394 report.Insert(0, "LPCIO" + Environment.NewLine +
395 Environment.NewLine);
396 return report.ToString();