Added sub-hardware support and basic enumeration for mainboards.
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;
43 namespace OpenHardwareMonitor.Hardware.LPC {
44 public class W836XX : LPCHardware, IHardware {
46 private ushort address;
47 private byte revision;
49 private bool available;
51 private Sensor[] temperatures;
52 private Sensor[] fans;
53 private Sensor[] voltages;
55 private float[] voltageGains;
56 private string[] fanNames;
59 private const ushort WINBOND_VENDOR_ID = 0x5CA3;
60 private const byte HIGH_BYTE = 0x80;
63 private const byte ADDRESS_REGISTER_OFFSET = 0x05;
64 private const byte DATA_REGISTER_OFFSET = 0x06;
66 // Hardware Monitor Registers
67 private const byte VOLTAGE_BASE_REG = 0x20;
68 private const byte BANK_SELECT_REGISTER = 0x4E;
69 private const byte VENDOR_ID_REGISTER = 0x4F;
70 private const byte TEMPERATURE_SOURCE_SELECT_REG = 0x49;
72 private string[] TEMPERATURE_NAME =
73 new string[] {"CPU", "Auxiliary", "System"};
74 private byte[] TEMPERATURE_REG = new byte[] { 0x50, 0x50, 0x27 };
75 private byte[] TEMPERATURE_BANK = new byte[] { 1, 2, 0 };
77 private byte[] FAN_TACHO_REG = new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };
78 private byte[] FAN_TACHO_BANK = new byte[] { 0, 0, 0, 0, 5 };
79 private byte[] FAN_BIT_REG = new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };
80 private byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };
81 private byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };
82 private byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };
84 private byte ReadByte(byte bank, byte register) {
85 WinRing0.WriteIoPortByte(
86 (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
87 WinRing0.WriteIoPortByte(
88 (ushort)(address + DATA_REGISTER_OFFSET), bank);
89 WinRing0.WriteIoPortByte(
90 (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
91 return WinRing0.ReadIoPortByte(
92 (ushort)(address + DATA_REGISTER_OFFSET));
95 private void WriteByte(byte bank, byte register, byte value) {
96 WinRing0.WriteIoPortByte(
97 (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
98 WinRing0.WriteIoPortByte(
99 (ushort)(address + DATA_REGISTER_OFFSET), bank);
100 WinRing0.WriteIoPortByte(
101 (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
102 WinRing0.WriteIoPortByte(
103 (ushort)(address + DATA_REGISTER_OFFSET), value);
106 public W836XX(Chip chip, byte revision, ushort address)
109 this.address = address;
110 this.revision = revision;
112 available = IsWinbondVendor();
114 ParameterDescription[] parameter = new ParameterDescription[] {
115 new ParameterDescription("Offset", "Temperature offset.", 0)
117 List<Sensor> list = new List<Sensor>();
121 // do not add temperature sensor registers that read PECI
122 byte flag = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
123 if ((flag & 0x04) == 0)
124 list.Add(new Sensor(TEMPERATURE_NAME[0], 0, null,
125 SensorType.Temperature, this, parameter));
126 if ((flag & 0x40) == 0)
127 list.Add(new Sensor(TEMPERATURE_NAME[1], 1, null,
128 SensorType.Temperature, this, parameter));
129 list.Add(new Sensor(TEMPERATURE_NAME[2], 2, null,
130 SensorType.Temperature, this, parameter));
133 case Chip.W83627DHGP:
134 // do not add temperature sensor registers that read PECI
135 byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
136 if ((sel & 0x07) == 0)
137 list.Add(new Sensor(TEMPERATURE_NAME[0], 0, null,
138 SensorType.Temperature, this, parameter));
139 if ((sel & 0x70) == 0)
140 list.Add(new Sensor(TEMPERATURE_NAME[1], 1, null,
141 SensorType.Temperature, this, parameter));
142 list.Add(new Sensor(TEMPERATURE_NAME[2], 2, null,
143 SensorType.Temperature, this, parameter));
146 // no PECI support, add all sensors
147 for (int i = 0; i < TEMPERATURE_NAME.Length; i++)
148 list.Add(new Sensor(TEMPERATURE_NAME[i], i, null,
149 SensorType.Temperature, this, parameter));
152 temperatures = list.ToArray();
156 case Chip.W83627DHGP:
160 fanNames = new string[] { "System", "CPU", "Auxiliary",
161 "CPU #2", "Auxiliary #2" };
162 voltageGains = new float[] { 1, 1, 1, 2, 1, 1, 1, 2 };
163 voltages = new Sensor[3];
164 voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);
165 voltages[1] = new Sensor("+3.3V", 3, SensorType.Voltage, this);
166 voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);
170 fanNames = new string[] { "System", "CPU", "Auxiliary" };
171 voltageGains = new float[] { 2, 1, 2, 1, 1, 1, 1, 2 };
172 voltages = new Sensor[3];
173 voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);
174 voltages[1] = new Sensor("+3.3V", 2, SensorType.Voltage, this);
175 voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);
177 default: fanNames = new string[0];
181 fans = new Sensor[fanNames.Length];
182 for (int i = 0; i < fanNames.Length; i++)
183 fans[i] = new Sensor(fanNames[i], i, SensorType.Fan, this);
186 public bool IsAvailable {
187 get { return available; }
190 private bool IsWinbondVendor() {
192 (ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |
193 ReadByte(0, VENDOR_ID_REGISTER));
194 return vendorId == WINBOND_VENDOR_ID;
197 public void Update() {
199 foreach (Sensor sensor in voltages) {
200 if (sensor.Index < 7) {
201 // two special VCore measurement modes for W83627THF
202 if (chip == Chip.W83627THF && sensor.Index == 0) {
203 byte vrmConfiguration = ReadByte(0, 0x18);
204 int value = ReadByte(0, VOLTAGE_BASE_REG);
205 if ((vrmConfiguration & 0x01) == 0)
206 sensor.Value = 0.016f * value; // VRM8 formula
208 sensor.Value = 0.00488f * value + 0.69f; // VRM9 formula
210 int value = ReadByte(0, (byte)(VOLTAGE_BASE_REG + sensor.Index));
211 sensor.Value = 0.008f * voltageGains[sensor.Index] * value;
213 if (sensor.Value > 0)
214 ActivateSensor(sensor);
216 DeactivateSensor(sensor);
219 bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;
222 0.008f * voltageGains[sensor.Index] * ReadByte(5, 0x51);
223 ActivateSensor(sensor);
225 DeactivateSensor(sensor);
229 foreach (Sensor sensor in temperatures) {
230 int value = ((sbyte)ReadByte(TEMPERATURE_BANK[sensor.Index],
231 TEMPERATURE_REG[sensor.Index])) << 1;
232 if (TEMPERATURE_BANK[sensor.Index] > 0)
233 value |= ReadByte(TEMPERATURE_BANK[sensor.Index],
234 (byte)(TEMPERATURE_REG[sensor.Index] + 1)) >> 7;
236 float temperature = value / 2.0f;
237 if (temperature <= 125 && temperature >= -55) {
238 sensor.Value = temperature + sensor.Parameters[0].Value;
239 ActivateSensor(sensor);
241 DeactivateSensor(sensor);
246 for (int i = 0; i < FAN_BIT_REG.Length; i++)
247 bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);
248 foreach (Sensor sensor in fans) {
249 int count = ReadByte(FAN_TACHO_BANK[sensor.Index],
250 FAN_TACHO_REG[sensor.Index]);
251 int divisorBits = (int)(
252 (((bits >> FAN_DIV_BIT2[sensor.Index]) & 1) << 2) |
253 (((bits >> FAN_DIV_BIT1[sensor.Index]) & 1) << 1) |
254 ((bits >> FAN_DIV_BIT0[sensor.Index]) & 1));
255 int divisor = 1 << divisorBits;
256 float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;
257 sensor.Value = value;
259 ActivateSensor(sensor);
263 public string GetReport() {
264 StringBuilder r = new StringBuilder();
266 r.AppendLine("LPC " + this.GetType().Name);
268 r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
269 r.Append("Chip revision: 0x"); r.AppendLine(revision.ToString("X"));
270 r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));
272 r.AppendLine("Hardware Monitor Registers");
274 r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
276 for (int i = 0; i <= 0x7; i++) {
277 r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append(" ");
278 for (int j = 0; j <= 0xF; j++) {
280 r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString("X2"));
284 for (int k = 1; k <= 15; k++) {
285 r.AppendLine("Bank " + k);
286 for (int i = 0x5; i < 0x6; i++) {
287 r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append(" ");
288 for (int j = 0; j <= 0xF; j++) {
290 r.Append(ReadByte((byte)(k),
291 (byte)((i << 4) | j)).ToString("X2"));