Added support for Winbond W83687THF and improved report output for LPC detection.
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;
41 using System.Threading;
43 namespace OpenHardwareMonitor.Hardware.LPC {
44 public class LPCGroup : IGroup {
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);
123 if (!WinRing0.IsAvailable)
126 for (int i = 0; i < REGISTER_PORTS.Length; i++) {
127 registerPort = REGISTER_PORTS[i];
128 valuePort = VALUE_PORTS[i];
130 WinbondFintekEnter();
132 byte logicalDeviceNumber;
133 byte id = ReadByte(CHIP_ID_REGISTER);
134 byte revision = ReadByte(CHIP_REVISION_REGISTER);
136 logicalDeviceNumber = 0;
142 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
149 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
156 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
163 logicalDeviceNumber = FINTEK_HARDWARE_MONITOR_LDN;
170 chip = Chip.W83627HF;
171 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
177 chip = Chip.W83627THF;
178 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
184 chip = Chip.W83687THF;
185 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
189 switch (revision & 0xF0) {
191 chip = Chip.W83627EHF;
192 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
196 switch (revision & 0xF0) {
198 chip = Chip.W83627DHG;
199 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
203 switch (revision & 0xF0) {
205 chip = Chip.W83667HG;
206 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
210 switch (revision & 0xF0) {
212 chip = Chip.W83627DHGP;
213 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
217 switch (revision & 0xF0) {
219 chip = Chip.W83667HGB;
220 logicalDeviceNumber = WINBOND_HARDWARE_MONITOR_LDN;
224 if (chip == Chip.Unknown) {
225 if (id != 0 && id != 0xff) {
228 report.Append("Chip ID: Unknown Winbond / Fintek with ID 0x");
229 report.AppendLine(((id << 8) | revision).ToString("X"));
234 Select(logicalDeviceNumber);
235 ushort address = ReadWord(BASE_ADDRESS_REGISTER);
237 ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
240 if (chip == Chip.F71862 || chip == Chip.F71882 || chip == Chip.F71889)
241 vendorID = ReadWord(FINTEK_VENDOR_ID_REGISTER);
245 if (address != verify) {
246 report.Append("Chip ID: 0x");
247 report.AppendLine(chip.ToString("X"));
248 report.Append("Chip revision: 0x");
249 report.AppendLine(revision.ToString("X"));
250 report.AppendLine("Error: Address verification failed");
255 // some Fintek chips have address register offset 0x05 added already
256 if ((address & 0x07) == 0x05)
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 report.Append("Error: Invalid address 0x");
265 report.AppendLine(address.ToString("X"));
272 case Chip.W83627DHGP:
279 W836XX w836XX = new W836XX(chip, revision, address);
280 if (w836XX.IsAvailable)
281 hardware.Add(w836XX);
286 if (vendorID == FINTEK_VENDOR_ID)
287 hardware.Add(new F718XX(chip, address));
290 hardware.Add(new F718XX(chip, address));
300 ushort chipID = ReadWord(CHIP_ID_REGISTER);
302 case 0x8716: chip = Chip.IT8716F; break;
303 case 0x8718: chip = Chip.IT8718F; break;
304 case 0x8720: chip = Chip.IT8720F; break;
305 case 0x8726: chip = Chip.IT8726F; break;
306 default: chip = Chip.Unknown; break;
308 if (chip == Chip.Unknown) {
309 if (chipID != 0 && chipID != 0xffff) {
312 report.Append("Chip ID: Unknown ITE with ID 0x");
313 report.AppendLine(chipID.ToString("X"));
317 Select(IT87_ENVIRONMENT_CONTROLLER_LDN);
318 ushort address = ReadWord(BASE_ADDRESS_REGISTER);
320 ushort verify = ReadWord(BASE_ADDRESS_REGISTER);
324 if (address != verify || address < 0x100 || (address & 0xF007) != 0) {
325 report.Append("Chip ID: 0x");
326 report.AppendLine(chip.ToString("X"));
327 report.Append("Error: Invalid address 0x");
328 report.AppendLine(address.ToString("X"));
333 IT87XX it87 = new IT87XX(chip, address);
334 if (it87.IsAvailable)
342 chipID = ReadWord(CHIP_ID_REGISTER);
344 default: chip = Chip.Unknown; break;
346 if (chip == Chip.Unknown) {
347 if (chipID != 0 && chipID != 0xffff) {
350 report.Append("Chip ID: Unknown SMSC with ID 0x");
351 report.AppendLine(chipID.ToString("X"));
362 public IHardware[] Hardware {
364 return hardware.ToArray();
368 public string GetReport() {
369 if (report.Length > 0) {
370 report.Insert(0, "LPCIO" + Environment.NewLine +
371 Environment.NewLine);
372 return report.ToString();
377 public void Close() { }