moel@34: /*
moel@34:
moel@344: This Source Code Form is subject to the terms of the Mozilla Public
moel@344: License, v. 2.0. If a copy of the MPL was not distributed with this
moel@344: file, You can obtain one at http://mozilla.org/MPL/2.0/.
moel@34:
moel@344: Copyright (C) 2009-2011 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344:
moel@34: */
moel@34:
moel@34: using System;
moel@166: using System.Globalization;
moel@34: using System.Text;
moel@34:
moel@34: namespace OpenHardwareMonitor.Hardware.LPC {
moel@165: internal class W836XX : ISuperIO {
moel@34:
moel@195: private readonly ushort address;
moel@195: private readonly byte revision;
moel@34:
moel@195: private readonly Chip chip;
moel@34:
moel@195: private readonly float?[] voltages = new float?[0];
moel@195: private readonly float?[] temperatures = new float?[0];
moel@195: private readonly float?[] fans = new float?[0];
moel@323: private readonly float?[] controls = new float?[0];
moel@34:
moel@195: private readonly bool[] peciTemperature = new bool[0];
moel@195: private readonly byte[] voltageRegister = new byte[0];
moel@195: private readonly byte[] voltageBank = new byte[0];
moel@195: private readonly float voltageGain = 0.008f;
moel@34:
moel@34: // Consts
moel@34: private const ushort WINBOND_VENDOR_ID = 0x5CA3;
moel@34: private const byte HIGH_BYTE = 0x80;
moel@34:
moel@34: // Hardware Monitor
moel@34: private const byte ADDRESS_REGISTER_OFFSET = 0x05;
moel@34: private const byte DATA_REGISTER_OFFSET = 0x06;
moel@34:
moel@34: // Hardware Monitor Registers
moel@130: private const byte VOLTAGE_VBAT_REG = 0x51;
moel@54: private const byte BANK_SELECT_REGISTER = 0x4E;
moel@34: private const byte VENDOR_ID_REGISTER = 0x4F;
moel@56: private const byte TEMPERATURE_SOURCE_SELECT_REG = 0x49;
moel@56:
moel@195: private readonly byte[] TEMPERATURE_REG = new byte[] { 0x50, 0x50, 0x27 };
moel@195: private readonly byte[] TEMPERATURE_BANK = new byte[] { 1, 2, 0 };
moel@34:
moel@195: private readonly byte[] FAN_TACHO_REG =
moel@195: new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };
moel@195: private readonly byte[] FAN_TACHO_BANK =
moel@195: new byte[] { 0, 0, 0, 0, 5 };
moel@195: private readonly byte[] FAN_BIT_REG =
moel@195: new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };
moel@195: private readonly byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };
moel@195: private readonly byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };
moel@195: private readonly byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };
moel@34:
moel@34: private byte ReadByte(byte bank, byte register) {
moel@236: Ring0.WriteIoPort(
moel@34: (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
moel@236: Ring0.WriteIoPort(
moel@34: (ushort)(address + DATA_REGISTER_OFFSET), bank);
moel@236: Ring0.WriteIoPort(
moel@34: (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
moel@236: return Ring0.ReadIoPort(
moel@34: (ushort)(address + DATA_REGISTER_OFFSET));
moel@130: }
moel@34:
moel@56: private void WriteByte(byte bank, byte register, byte value) {
moel@236: Ring0.WriteIoPort(
moel@56: (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
moel@236: Ring0.WriteIoPort(
moel@56: (ushort)(address + DATA_REGISTER_OFFSET), bank);
moel@236: Ring0.WriteIoPort(
moel@56: (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
moel@236: Ring0.WriteIoPort(
moel@56: (ushort)(address + DATA_REGISTER_OFFSET), value);
moel@56: }
moel@228:
moel@228: public byte? ReadGPIO(int index) {
moel@228: return null;
moel@228: }
moel@228:
moel@228: public void WriteGPIO(int index, byte value) { }
moel@323:
moel@323: public void SetControl(int index, byte? value) { }
moel@323:
moel@130: public W836XX(Chip chip, byte revision, ushort address) {
moel@34: this.address = address;
moel@34: this.revision = revision;
moel@130: this.chip = chip;
moel@34:
moel@130: if (!IsWinbondVendor())
moel@130: return;
moel@130:
moel@130: temperatures = new float?[3];
moel@130: peciTemperature = new bool[3];
moel@56: switch (chip) {
moel@63: case Chip.W83667HG:
moel@63: case Chip.W83667HGB:
moel@130: // note temperature sensor registers that read PECI
moel@63: byte flag = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
moel@130: peciTemperature[0] = (flag & 0x04) != 0;
moel@130: peciTemperature[1] = (flag & 0x40) != 0;
moel@130: peciTemperature[2] = false;
moel@63: break;
moel@63: case Chip.W83627DHG:
moel@63: case Chip.W83627DHGP:
moel@152: // note temperature sensor registers that read PECI
moel@56: byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
moel@130: peciTemperature[0] = (sel & 0x07) != 0;
moel@130: peciTemperature[1] = (sel & 0x70) != 0;
moel@130: peciTemperature[2] = false;
moel@56: break;
moel@56: default:
moel@130: // no PECI support
moel@130: peciTemperature[0] = false;
moel@130: peciTemperature[1] = false;
moel@130: peciTemperature[2] = false;
moel@56: break;
moel@56: }
moel@34:
moel@34: switch (chip) {
moel@130: case Chip.W83627EHF:
moel@130: voltages = new float?[10];
moel@130: voltageRegister = new byte[] {
moel@130: 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51, 0x52 };
moel@130: voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5, 5 };
moel@130: voltageGain = 0.008f;
moel@130: fans = new float?[5];
moel@130: break;
moel@34: case Chip.W83627DHG:
moel@130: case Chip.W83627DHGP:
moel@34: case Chip.W83667HG:
moel@130: case Chip.W83667HGB:
moel@130: voltages = new float?[9];
moel@130: voltageRegister = new byte[] {
moel@130: 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51 };
moel@130: voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5 };
moel@130: voltageGain = 0.008f;
moel@130: fans = new float?[5];
moel@34: break;
moel@54: case Chip.W83627HF:
moel@54: case Chip.W83627THF:
moel@67: case Chip.W83687THF:
moel@130: voltages = new float?[7];
moel@130: voltageRegister = new byte[] {
moel@130: 0x20, 0x21, 0x22, 0x23, 0x24, 0x50, 0x51 };
moel@130: voltageBank = new byte[] { 0, 0, 0, 0, 0, 5, 5 };
moel@130: voltageGain = 0.016f;
moel@130: fans = new float?[3];
moel@34: break;
moel@34: }
moel@130: }
moel@34:
moel@34: private bool IsWinbondVendor() {
moel@34: ushort vendorId =
moel@34: (ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |
moel@34: ReadByte(0, VENDOR_ID_REGISTER));
moel@34: return vendorId == WINBOND_VENDOR_ID;
moel@34: }
moel@34:
moel@167: private static ulong SetBit(ulong target, int bit, int value) {
moel@85: if ((value & 1) != value)
moel@85: throw new ArgumentException("Value must be one bit only.");
moel@85:
moel@85: if (bit < 0 || bit > 63)
moel@85: throw new ArgumentException("Bit out of range.");
moel@85:
moel@85: ulong mask = (((ulong)1) << bit);
moel@85: return value > 0 ? target | mask : target & ~mask;
moel@85: }
moel@85:
moel@130: public Chip Chip { get { return chip; } }
moel@130: public float?[] Voltages { get { return voltages; } }
moel@130: public float?[] Temperatures { get { return temperatures; } }
moel@130: public float?[] Fans { get { return fans; } }
moel@323: public float?[] Controls { get { return controls; } }
moel@56:
moel@130: public void Update() {
moel@236: if (!Ring0.WaitIsaBusMutex(10))
moel@162: return;
moel@130:
moel@130: for (int i = 0; i < voltages.Length; i++) {
moel@130: if (voltageRegister[i] != VOLTAGE_VBAT_REG) {
moel@58: // two special VCore measurement modes for W83627THF
moel@130: float fvalue;
moel@67: if ((chip == Chip.W83627HF || chip == Chip.W83627THF ||
moel@130: chip == Chip.W83687THF) && i == 0)
moel@67: {
moel@58: byte vrmConfiguration = ReadByte(0, 0x18);
moel@130: int value = ReadByte(voltageBank[i], voltageRegister[i]);
moel@58: if ((vrmConfiguration & 0x01) == 0)
moel@130: fvalue = 0.016f * value; // VRM8 formula
moel@58: else
moel@130: fvalue = 0.00488f * value + 0.69f; // VRM9 formula
moel@58: } else {
moel@130: int value = ReadByte(voltageBank[i], voltageRegister[i]);
moel@130: fvalue = voltageGain * value;
moel@58: }
moel@130: if (fvalue > 0)
moel@130: voltages[i] = fvalue;
moel@130: else
moel@130: voltages[i] = null;
moel@34: } else {
moel@34: // Battery voltage
moel@34: bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;
moel@34: if (valid) {
moel@130: voltages[i] = voltageGain * ReadByte(5, VOLTAGE_VBAT_REG);
moel@84: } else {
moel@130: voltages[i] = null;
moel@84: }
moel@34: }
moel@34: }
moel@34:
moel@130: for (int i = 0; i < temperatures.Length; i++) {
moel@130: int value = ((sbyte)ReadByte(TEMPERATURE_BANK[i],
moel@130: TEMPERATURE_REG[i])) << 1;
moel@130: if (TEMPERATURE_BANK[i] > 0)
moel@130: value |= ReadByte(TEMPERATURE_BANK[i],
moel@130: (byte)(TEMPERATURE_REG[i] + 1)) >> 7;
moel@63:
moel@56: float temperature = value / 2.0f;
moel@130: if (temperature <= 125 && temperature >= -55 && !peciTemperature[i]) {
moel@130: temperatures[i] = temperature;
moel@34: } else {
moel@130: temperatures[i] = null;
moel@34: }
moel@34: }
moel@34:
moel@85: ulong bits = 0;
moel@34: for (int i = 0; i < FAN_BIT_REG.Length; i++)
moel@34: bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);
moel@85: ulong newBits = bits;
moel@130: for (int i = 0; i < fans.Length; i++) {
moel@130: int count = ReadByte(FAN_TACHO_BANK[i], FAN_TACHO_REG[i]);
moel@85:
moel@85: // assemble fan divisor
moel@34: int divisorBits = (int)(
moel@130: (((bits >> FAN_DIV_BIT2[i]) & 1) << 2) |
moel@130: (((bits >> FAN_DIV_BIT1[i]) & 1) << 1) |
moel@130: ((bits >> FAN_DIV_BIT0[i]) & 1));
moel@34: int divisor = 1 << divisorBits;
moel@85:
moel@34: float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;
moel@130: fans[i] = value;
moel@85:
moel@85: // update fan divisor
moel@85: if (count > 192 && divisorBits < 7)
moel@85: divisorBits++;
moel@85: if (count < 96 && divisorBits > 0)
moel@85: divisorBits--;
moel@85:
moel@130: newBits = SetBit(newBits, FAN_DIV_BIT2[i], (divisorBits >> 2) & 1);
moel@130: newBits = SetBit(newBits, FAN_DIV_BIT1[i], (divisorBits >> 1) & 1);
moel@130: newBits = SetBit(newBits, FAN_DIV_BIT0[i], divisorBits & 1);
moel@85: }
moel@85:
moel@85: // write new fan divisors
moel@85: for (int i = FAN_BIT_REG.Length - 1; i >= 0; i--) {
moel@85: byte oldByte = (byte)(bits & 0xFF);
moel@85: byte newByte = (byte)(newBits & 0xFF);
moel@85: bits = bits >> 8;
moel@85: newBits = newBits >> 8;
moel@85: if (oldByte != newByte)
moel@85: WriteByte(0, FAN_BIT_REG[i], newByte);
moel@85: }
moel@162:
moel@236: Ring0.ReleaseIsaBusMutex();
moel@34: }
moel@34:
moel@130: public string GetReport() {
moel@34: StringBuilder r = new StringBuilder();
moel@34:
moel@34: r.AppendLine("LPC " + this.GetType().Name);
moel@34: r.AppendLine();
moel@34: r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
moel@166: r.Append("Chip revision: 0x");
moel@166: r.AppendLine(revision.ToString("X", CultureInfo.InvariantCulture));
moel@166: r.Append("Base Adress: 0x");
moel@166: r.AppendLine(address.ToString("X4", CultureInfo.InvariantCulture));
moel@34: r.AppendLine();
moel@162:
moel@236: if (!Ring0.WaitIsaBusMutex(100))
moel@162: return r.ToString();
moel@162:
moel@34: r.AppendLine("Hardware Monitor Registers");
moel@34: r.AppendLine();
moel@34: r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
moel@34: r.AppendLine();
moel@56: for (int i = 0; i <= 0x7; i++) {
moel@166: r.Append(" ");
moel@166: r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));
moel@166: r.Append(" ");
moel@34: for (int j = 0; j <= 0xF; j++) {
moel@34: r.Append(" ");
moel@166: r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString(
moel@166: "X2", CultureInfo.InvariantCulture));
moel@34: }
moel@34: r.AppendLine();
moel@34: }
moel@53: for (int k = 1; k <= 15; k++) {
moel@34: r.AppendLine("Bank " + k);
moel@34: for (int i = 0x5; i < 0x6; i++) {
moel@166: r.Append(" ");
moel@166: r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));
moel@166: r.Append(" ");
moel@34: for (int j = 0; j <= 0xF; j++) {
moel@34: r.Append(" ");
moel@166: r.Append(ReadByte((byte)(k), (byte)((i << 4) | j)).ToString(
moel@166: "X2", CultureInfo.InvariantCulture));
moel@34: }
moel@34: r.AppendLine();
moel@34: }
moel@34: }
moel@34: r.AppendLine();
moel@34:
moel@236: Ring0.ReleaseIsaBusMutex();
moel@162:
moel@34: return r.ToString();
moel@34: }
moel@130: }
moel@34: }