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openhardwaremonitor/Hardware/LPC/W836XX.cs

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/*
Version: MPL 1.1/GPL 2.0/LGPL 2.1
The contents of this file are subject to the Mozilla Public License Version
1.1 (the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
for the specific language governing rights and limitations under the License.
The Original Code is the Open Hardware Monitor code.
The Initial Developer of the Original Code is
Michael Möller <m.moeller@gmx.ch>.
Portions created by the Initial Developer are Copyright (C) 2009-2010
the Initial Developer. All Rights Reserved.
Contributor(s):
Alternatively, the contents of this file may be used under the terms of
either the GNU General Public License Version 2 or later (the "GPL"), or
the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of either the GPL or the LGPL, and not to allow others to
use your version of this file under the terms of the MPL, indicate your
decision by deleting the provisions above and replace them with the notice
and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the MPL, the GPL or the LGPL.
*/
using System;
using System.Globalization;
using System.Text;
namespace OpenHardwareMonitor.Hardware.LPC {
internal class W836XX : ISuperIO {
private readonly ushort address;
private readonly byte revision;
private readonly Chip chip;
private readonly float?[] voltages = new float?[0];
private readonly float?[] temperatures = new float?[0];
private readonly float?[] fans = new float?[0];
private readonly bool[] peciTemperature = new bool[0];
private readonly byte[] voltageRegister = new byte[0];
private readonly byte[] voltageBank = new byte[0];
private readonly float voltageGain = 0.008f;
// Consts
private const ushort WINBOND_VENDOR_ID = 0x5CA3;
private const byte HIGH_BYTE = 0x80;
// Hardware Monitor
private const byte ADDRESS_REGISTER_OFFSET = 0x05;
private const byte DATA_REGISTER_OFFSET = 0x06;
// Hardware Monitor Registers
private const byte VOLTAGE_VBAT_REG = 0x51;
private const byte BANK_SELECT_REGISTER = 0x4E;
private const byte VENDOR_ID_REGISTER = 0x4F;
private const byte TEMPERATURE_SOURCE_SELECT_REG = 0x49;
private readonly byte[] TEMPERATURE_REG = new byte[] { 0x50, 0x50, 0x27 };
private readonly byte[] TEMPERATURE_BANK = new byte[] { 1, 2, 0 };
private readonly byte[] FAN_TACHO_REG =
new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };
private readonly byte[] FAN_TACHO_BANK =
new byte[] { 0, 0, 0, 0, 5 };
private readonly byte[] FAN_BIT_REG =
new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };
private readonly byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };
private readonly byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };
private readonly byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };
private byte ReadByte(byte bank, byte register) {
Ring0.WriteIoPort(
(ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
Ring0.WriteIoPort(
(ushort)(address + DATA_REGISTER_OFFSET), bank);
Ring0.WriteIoPort(
(ushort)(address + ADDRESS_REGISTER_OFFSET), register);
return Ring0.ReadIoPort(
(ushort)(address + DATA_REGISTER_OFFSET));
}
private void WriteByte(byte bank, byte register, byte value) {
Ring0.WriteIoPort(
(ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
Ring0.WriteIoPort(
(ushort)(address + DATA_REGISTER_OFFSET), bank);
Ring0.WriteIoPort(
(ushort)(address + ADDRESS_REGISTER_OFFSET), register);
Ring0.WriteIoPort(
(ushort)(address + DATA_REGISTER_OFFSET), value);
}
public byte? ReadGPIO(int index) {
return null;
}
public void WriteGPIO(int index, byte value) { }
public W836XX(Chip chip, byte revision, ushort address) {
this.address = address;
this.revision = revision;
this.chip = chip;
if (!IsWinbondVendor())
return;
temperatures = new float?[3];
peciTemperature = new bool[3];
switch (chip) {
case Chip.W83667HG:
case Chip.W83667HGB:
// note temperature sensor registers that read PECI
byte flag = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
peciTemperature[0] = (flag & 0x04) != 0;
peciTemperature[1] = (flag & 0x40) != 0;
peciTemperature[2] = false;
break;
case Chip.W83627DHG:
case Chip.W83627DHGP:
// note temperature sensor registers that read PECI
byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
peciTemperature[0] = (sel & 0x07) != 0;
peciTemperature[1] = (sel & 0x70) != 0;
peciTemperature[2] = false;
break;
default:
// no PECI support
peciTemperature[0] = false;
peciTemperature[1] = false;
peciTemperature[2] = false;
break;
}
switch (chip) {
case Chip.W83627EHF:
voltages = new float?[10];
voltageRegister = new byte[] {
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51, 0x52 };
voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5, 5 };
voltageGain = 0.008f;
fans = new float?[5];
break;
case Chip.W83627DHG:
case Chip.W83627DHGP:
case Chip.W83667HG:
case Chip.W83667HGB:
voltages = new float?[9];
voltageRegister = new byte[] {
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51 };
voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5 };
voltageGain = 0.008f;
fans = new float?[5];
break;
case Chip.W83627HF:
case Chip.W83627THF:
case Chip.W83687THF:
voltages = new float?[7];
voltageRegister = new byte[] {
0x20, 0x21, 0x22, 0x23, 0x24, 0x50, 0x51 };
voltageBank = new byte[] { 0, 0, 0, 0, 0, 5, 5 };
voltageGain = 0.016f;
fans = new float?[3];
break;
}
}
private bool IsWinbondVendor() {
ushort vendorId =
(ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |
ReadByte(0, VENDOR_ID_REGISTER));
return vendorId == WINBOND_VENDOR_ID;
}
private static ulong SetBit(ulong target, int bit, int value) {
if ((value & 1) != value)
throw new ArgumentException("Value must be one bit only.");
if (bit < 0 || bit > 63)
throw new ArgumentException("Bit out of range.");
ulong mask = (((ulong)1) << bit);
return value > 0 ? target | mask : target & ~mask;
}
public Chip Chip { get { return chip; } }
public float?[] Voltages { get { return voltages; } }
public float?[] Temperatures { get { return temperatures; } }
public float?[] Fans { get { return fans; } }
public void Update() {
if (!Ring0.WaitIsaBusMutex(10))
return;
for (int i = 0; i < voltages.Length; i++) {
if (voltageRegister[i] != VOLTAGE_VBAT_REG) {
// two special VCore measurement modes for W83627THF
float fvalue;
if ((chip == Chip.W83627HF || chip == Chip.W83627THF ||
chip == Chip.W83687THF) && i == 0)
{
byte vrmConfiguration = ReadByte(0, 0x18);
int value = ReadByte(voltageBank[i], voltageRegister[i]);
if ((vrmConfiguration & 0x01) == 0)
fvalue = 0.016f * value; // VRM8 formula
else
fvalue = 0.00488f * value + 0.69f; // VRM9 formula
} else {
int value = ReadByte(voltageBank[i], voltageRegister[i]);
fvalue = voltageGain * value;
}
if (fvalue > 0)
voltages[i] = fvalue;
else
voltages[i] = null;
} else {
// Battery voltage
bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;
if (valid) {
voltages[i] = voltageGain * ReadByte(5, VOLTAGE_VBAT_REG);
} else {
voltages[i] = null;
}
}
}
for (int i = 0; i < temperatures.Length; i++) {
int value = ((sbyte)ReadByte(TEMPERATURE_BANK[i],
TEMPERATURE_REG[i])) << 1;
if (TEMPERATURE_BANK[i] > 0)
value |= ReadByte(TEMPERATURE_BANK[i],
(byte)(TEMPERATURE_REG[i] + 1)) >> 7;
float temperature = value / 2.0f;
if (temperature <= 125 && temperature >= -55 && !peciTemperature[i]) {
temperatures[i] = temperature;
} else {
temperatures[i] = null;
}
}
ulong bits = 0;
for (int i = 0; i < FAN_BIT_REG.Length; i++)
bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);
ulong newBits = bits;
for (int i = 0; i < fans.Length; i++) {
int count = ReadByte(FAN_TACHO_BANK[i], FAN_TACHO_REG[i]);
// assemble fan divisor
int divisorBits = (int)(
(((bits >> FAN_DIV_BIT2[i]) & 1) << 2) |
(((bits >> FAN_DIV_BIT1[i]) & 1) << 1) |
((bits >> FAN_DIV_BIT0[i]) & 1));
int divisor = 1 << divisorBits;
float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;
fans[i] = value;
// update fan divisor
if (count > 192 && divisorBits < 7)
divisorBits++;
if (count < 96 && divisorBits > 0)
divisorBits--;
newBits = SetBit(newBits, FAN_DIV_BIT2[i], (divisorBits >> 2) & 1);
newBits = SetBit(newBits, FAN_DIV_BIT1[i], (divisorBits >> 1) & 1);
newBits = SetBit(newBits, FAN_DIV_BIT0[i], divisorBits & 1);
}
// write new fan divisors
for (int i = FAN_BIT_REG.Length - 1; i >= 0; i--) {
byte oldByte = (byte)(bits & 0xFF);
byte newByte = (byte)(newBits & 0xFF);
bits = bits >> 8;
newBits = newBits >> 8;
if (oldByte != newByte)
WriteByte(0, FAN_BIT_REG[i], newByte);
}
Ring0.ReleaseIsaBusMutex();
}
public string GetReport() {
StringBuilder r = new StringBuilder();
r.AppendLine("LPC " + this.GetType().Name);
r.AppendLine();
r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
r.Append("Chip revision: 0x");
r.AppendLine(revision.ToString("X", CultureInfo.InvariantCulture));
r.Append("Base Adress: 0x");
r.AppendLine(address.ToString("X4", CultureInfo.InvariantCulture));
r.AppendLine();
if (!Ring0.WaitIsaBusMutex(100))
return r.ToString();
r.AppendLine("Hardware Monitor Registers");
r.AppendLine();
r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
r.AppendLine();
for (int i = 0; i <= 0x7; i++) {
r.Append(" ");
r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));
r.Append(" ");
for (int j = 0; j <= 0xF; j++) {
r.Append(" ");
r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString(
"X2", CultureInfo.InvariantCulture));
}
r.AppendLine();
}
for (int k = 1; k <= 15; k++) {
r.AppendLine("Bank " + k);
for (int i = 0x5; i < 0x6; i++) {
r.Append(" ");
r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));
r.Append(" ");
for (int j = 0; j <= 0xF; j++) {
r.Append(" ");
r.Append(ReadByte((byte)(k), (byte)((i << 4) | j)).ToString(
"X2", CultureInfo.InvariantCulture));
}
r.AppendLine();
}
}
r.AppendLine();
Ring0.ReleaseIsaBusMutex();
return r.ToString();
}
}
}
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