Added both VCore detection modes for Winbond W82637THF (should fix issue 3).
3 Version: MPL 1.1/GPL 2.0/LGPL 2.1
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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"),
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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 };
76 private byte[] TEMPERATURE_SEL = new byte[] { 1, 2, 0 };
78 private byte[] FAN_TACHO_REG = new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };
79 private byte[] FAN_TACHO_BANK = new byte[] { 0, 0, 0, 0, 5 };
80 private byte[] FAN_BIT_REG = new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };
81 private byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };
82 private byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };
83 private byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };
85 private byte ReadByte(byte bank, byte register) {
86 WinRing0.WriteIoPortByte(
87 (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
88 WinRing0.WriteIoPortByte(
89 (ushort)(address + DATA_REGISTER_OFFSET), bank);
90 WinRing0.WriteIoPortByte(
91 (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
92 return WinRing0.ReadIoPortByte(
93 (ushort)(address + DATA_REGISTER_OFFSET));
96 private void WriteByte(byte bank, byte register, byte value) {
97 WinRing0.WriteIoPortByte(
98 (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
99 WinRing0.WriteIoPortByte(
100 (ushort)(address + DATA_REGISTER_OFFSET), bank);
101 WinRing0.WriteIoPortByte(
102 (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
103 WinRing0.WriteIoPortByte(
104 (ushort)(address + DATA_REGISTER_OFFSET), value);
107 public W836XX(Chip chip, byte revision, ushort address)
110 this.address = address;
111 this.revision = revision;
113 available = IsWinbondVendor();
115 List<Sensor> list = new List<Sensor>();
118 // do not add temperature sensor registers that read PECI agents
119 byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
120 if ((sel & 0x07) == 0)
121 list.Add(new Sensor(TEMPERATURE_NAME[0], 0,
122 SensorType.Temperature, this));
123 if ((sel & 0x70) == 0)
124 list.Add(new Sensor(TEMPERATURE_NAME[1], 1,
125 SensorType.Temperature, this));
126 list.Add(new Sensor(TEMPERATURE_NAME[2], 2,
127 SensorType.Temperature, this));
130 // no PECI support or extra sensor report register
131 for (int i = 0; i < TEMPERATURE_NAME.Length; i++) {
132 list.Add(new Sensor(TEMPERATURE_NAME[i], i,
133 SensorType.Temperature, this));
137 temperatures = list.ToArray();
141 case Chip.W83627DHGP:
145 fanNames = new string[] { "System", "CPU", "Auxiliary",
146 "CPU #2", "Auxiliary #2" };
147 voltageGains = new float[] { 1, 1, 1, 2, 1, 1, 1, 2 };
148 voltages = new Sensor[3];
149 voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);
150 voltages[1] = new Sensor("+3.3V", 3, SensorType.Voltage, this);
151 voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);
155 fanNames = new string[] { "System", "CPU", "Auxiliary" };
156 voltageGains = new float[] { 2, 1, 2, 1, 1, 1, 1, 2 };
157 voltages = new Sensor[3];
158 voltages[0] = new Sensor("CPU VCore", 0, SensorType.Voltage, this);
159 voltages[1] = new Sensor("+3.3V", 2, SensorType.Voltage, this);
160 voltages[2] = new Sensor("Battery", 7, SensorType.Voltage, this);
162 default: fanNames = new string[0];
166 fans = new Sensor[fanNames.Length];
167 for (int i = 0; i < fanNames.Length; i++)
168 fans[i] = new Sensor(fanNames[i], i, SensorType.Fan, this);
171 public bool IsAvailable {
172 get { return available; }
175 private bool IsWinbondVendor() {
177 (ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |
178 ReadByte(0, VENDOR_ID_REGISTER));
179 return vendorId == WINBOND_VENDOR_ID;
182 public void Update() {
184 foreach (Sensor sensor in voltages) {
185 if (sensor.Index < 7) {
186 // two special VCore measurement modes for W83627THF
187 if (chip == Chip.W83627THF && sensor.Index == 0) {
188 byte vrmConfiguration = ReadByte(0, 0x18);
189 int value = ReadByte(0, VOLTAGE_BASE_REG);
190 if ((vrmConfiguration & 0x01) == 0)
191 sensor.Value = 0.016f * value; // VRM8 formula
193 sensor.Value = 0.00488f * value + 0.69f; // VRM9 formula
195 int value = ReadByte(0, (byte)(VOLTAGE_BASE_REG + sensor.Index));
196 sensor.Value = 0.008f * voltageGains[sensor.Index] * value;
198 if (sensor.Value > 0)
199 ActivateSensor(sensor);
201 DeactivateSensor(sensor);
204 bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;
207 0.008f * voltageGains[sensor.Index] * ReadByte(5, 0x51);
208 ActivateSensor(sensor);
210 DeactivateSensor(sensor);
214 foreach (Sensor sensor in temperatures) {
219 WriteByte(0, 0x7D, TEMPERATURE_SEL[sensor.Index]);
220 value = ((sbyte)ReadByte(0, 0x7E)) << 1;
222 case Chip.W83627DHGP:
223 WriteByte(0, 0x7C, TEMPERATURE_SEL[sensor.Index]);
224 value = ((sbyte)ReadByte(0, 0x7D)) << 1;
227 value = ((sbyte)ReadByte(TEMPERATURE_BANK[sensor.Index],
228 TEMPERATURE_REG[sensor.Index])) << 1;
229 if (TEMPERATURE_BANK[sensor.Index] > 0) {
230 value |= ReadByte(TEMPERATURE_BANK[sensor.Index],
231 (byte)(TEMPERATURE_REG[sensor.Index] + 1)) >> 7;
235 float temperature = value / 2.0f;
236 if (temperature <= 125 && temperature >= -55) {
237 sensor.Value = temperature;
238 ActivateSensor(sensor);
240 DeactivateSensor(sensor);
245 for (int i = 0; i < FAN_BIT_REG.Length; i++)
246 bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);
247 foreach (Sensor sensor in fans) {
248 int count = ReadByte(FAN_TACHO_BANK[sensor.Index],
249 FAN_TACHO_REG[sensor.Index]);
250 int divisorBits = (int)(
251 (((bits >> FAN_DIV_BIT2[sensor.Index]) & 1) << 2) |
252 (((bits >> FAN_DIV_BIT1[sensor.Index]) & 1) << 1) |
253 ((bits >> FAN_DIV_BIT0[sensor.Index]) & 1));
254 int divisor = 1 << divisorBits;
255 float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;
256 sensor.Value = value;
258 ActivateSensor(sensor);
262 public string GetReport() {
263 StringBuilder r = new StringBuilder();
265 r.AppendLine("LPC " + this.GetType().Name);
267 r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
268 r.Append("Chip revision: 0x"); r.AppendLine(revision.ToString("X"));
269 r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));
271 r.AppendLine("Hardware Monitor Registers");
273 r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
275 for (int i = 0; i <= 0x7; i++) {
276 r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append(" ");
277 for (int j = 0; j <= 0xF; j++) {
279 r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString("X2"));
283 for (int k = 1; k <= 15; k++) {
284 r.AppendLine("Bank " + k);
285 for (int i = 0x5; i < 0x6; i++) {
286 r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append(" ");
287 for (int j = 0; j <= 0xF; j++) {
289 r.Append(ReadByte((byte)(k),
290 (byte)((i << 4) | j)).ToString("X2"));