mirror of
https://github.com/openhardwaremonitor/openhardwaremonitor
synced 2025-08-29 05:18:14 +00:00
326 lines
11 KiB
C#
326 lines
11 KiB
C#
/*
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Copyright (C) 2009-2011 Michael Möller <mmoeller@openhardwaremonitor.org>
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*/
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using System;
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using System.Globalization;
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using System.Text;
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namespace OpenHardwareMonitor.Hardware.LPC {
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internal class W836XX : ISuperIO {
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private readonly ushort address;
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private readonly byte revision;
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private readonly Chip chip;
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private readonly float?[] voltages = new float?[0];
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private readonly float?[] temperatures = new float?[0];
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private readonly float?[] fans = new float?[0];
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private readonly float?[] controls = new float?[0];
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private readonly bool[] peciTemperature = new bool[0];
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private readonly byte[] voltageRegister = new byte[0];
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private readonly byte[] voltageBank = new byte[0];
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private readonly float voltageGain = 0.008f;
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// Consts
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private const ushort WINBOND_VENDOR_ID = 0x5CA3;
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private const byte HIGH_BYTE = 0x80;
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// Hardware Monitor
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private const byte ADDRESS_REGISTER_OFFSET = 0x05;
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private const byte DATA_REGISTER_OFFSET = 0x06;
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// Hardware Monitor Registers
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private const byte VOLTAGE_VBAT_REG = 0x51;
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private const byte BANK_SELECT_REGISTER = 0x4E;
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private const byte VENDOR_ID_REGISTER = 0x4F;
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private const byte TEMPERATURE_SOURCE_SELECT_REG = 0x49;
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private readonly byte[] TEMPERATURE_REG = new byte[] { 0x50, 0x50, 0x27 };
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private readonly byte[] TEMPERATURE_BANK = new byte[] { 1, 2, 0 };
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private readonly byte[] FAN_TACHO_REG =
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new byte[] { 0x28, 0x29, 0x2A, 0x3F, 0x53 };
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private readonly byte[] FAN_TACHO_BANK =
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new byte[] { 0, 0, 0, 0, 5 };
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private readonly byte[] FAN_BIT_REG =
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new byte[] { 0x47, 0x4B, 0x4C, 0x59, 0x5D };
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private readonly byte[] FAN_DIV_BIT0 = new byte[] { 36, 38, 30, 8, 10 };
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private readonly byte[] FAN_DIV_BIT1 = new byte[] { 37, 39, 31, 9, 11 };
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private readonly byte[] FAN_DIV_BIT2 = new byte[] { 5, 6, 7, 23, 15 };
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private byte ReadByte(byte bank, byte register) {
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Ring0.WriteIoPort(
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(ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
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Ring0.WriteIoPort(
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(ushort)(address + DATA_REGISTER_OFFSET), bank);
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Ring0.WriteIoPort(
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(ushort)(address + ADDRESS_REGISTER_OFFSET), register);
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return Ring0.ReadIoPort(
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(ushort)(address + DATA_REGISTER_OFFSET));
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}
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private void WriteByte(byte bank, byte register, byte value) {
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Ring0.WriteIoPort(
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(ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
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Ring0.WriteIoPort(
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(ushort)(address + DATA_REGISTER_OFFSET), bank);
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Ring0.WriteIoPort(
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(ushort)(address + ADDRESS_REGISTER_OFFSET), register);
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Ring0.WriteIoPort(
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(ushort)(address + DATA_REGISTER_OFFSET), value);
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}
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public byte? ReadGPIO(int index) {
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return null;
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}
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public void WriteGPIO(int index, byte value) { }
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public void SetControl(int index, byte? value) { }
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public W836XX(Chip chip, byte revision, ushort address) {
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this.address = address;
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this.revision = revision;
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this.chip = chip;
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if (!IsWinbondVendor())
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return;
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temperatures = new float?[3];
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peciTemperature = new bool[3];
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switch (chip) {
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case Chip.W83667HG:
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case Chip.W83667HGB:
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// note temperature sensor registers that read PECI
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byte flag = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
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peciTemperature[0] = (flag & 0x04) != 0;
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peciTemperature[1] = (flag & 0x40) != 0;
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peciTemperature[2] = false;
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break;
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case Chip.W83627DHG:
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case Chip.W83627DHGP:
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// note temperature sensor registers that read PECI
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byte sel = ReadByte(0, TEMPERATURE_SOURCE_SELECT_REG);
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peciTemperature[0] = (sel & 0x07) != 0;
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peciTemperature[1] = (sel & 0x70) != 0;
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peciTemperature[2] = false;
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break;
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default:
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// no PECI support
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peciTemperature[0] = false;
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peciTemperature[1] = false;
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peciTemperature[2] = false;
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break;
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}
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switch (chip) {
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case Chip.W83627EHF:
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voltages = new float?[10];
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voltageRegister = new byte[] {
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51, 0x52 };
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voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5, 5 };
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voltageGain = 0.008f;
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fans = new float?[5];
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break;
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case Chip.W83627DHG:
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case Chip.W83627DHGP:
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case Chip.W83667HG:
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case Chip.W83667HGB:
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voltages = new float?[9];
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voltageRegister = new byte[] {
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x50, 0x51 };
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voltageBank = new byte[] { 0, 0, 0, 0, 0, 0, 0, 5, 5 };
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voltageGain = 0.008f;
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fans = new float?[5];
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break;
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case Chip.W83627HF:
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case Chip.W83627THF:
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case Chip.W83687THF:
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voltages = new float?[7];
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voltageRegister = new byte[] {
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0x20, 0x21, 0x22, 0x23, 0x24, 0x50, 0x51 };
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voltageBank = new byte[] { 0, 0, 0, 0, 0, 5, 5 };
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voltageGain = 0.016f;
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fans = new float?[3];
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break;
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}
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}
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private bool IsWinbondVendor() {
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ushort vendorId =
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(ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |
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ReadByte(0, VENDOR_ID_REGISTER));
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return vendorId == WINBOND_VENDOR_ID;
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}
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private static ulong SetBit(ulong target, int bit, int value) {
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if ((value & 1) != value)
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throw new ArgumentException("Value must be one bit only.");
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if (bit < 0 || bit > 63)
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throw new ArgumentException("Bit out of range.");
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ulong mask = (((ulong)1) << bit);
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return value > 0 ? target | mask : target & ~mask;
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}
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public Chip Chip { get { return chip; } }
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public float?[] Voltages { get { return voltages; } }
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public float?[] Temperatures { get { return temperatures; } }
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public float?[] Fans { get { return fans; } }
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public float?[] Controls { get { return controls; } }
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public void Update() {
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if (!Ring0.WaitIsaBusMutex(10))
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return;
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for (int i = 0; i < voltages.Length; i++) {
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if (voltageRegister[i] != VOLTAGE_VBAT_REG) {
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// two special VCore measurement modes for W83627THF
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float fvalue;
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if ((chip == Chip.W83627HF || chip == Chip.W83627THF ||
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chip == Chip.W83687THF) && i == 0)
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{
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byte vrmConfiguration = ReadByte(0, 0x18);
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int value = ReadByte(voltageBank[i], voltageRegister[i]);
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if ((vrmConfiguration & 0x01) == 0)
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fvalue = 0.016f * value; // VRM8 formula
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else
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fvalue = 0.00488f * value + 0.69f; // VRM9 formula
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} else {
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int value = ReadByte(voltageBank[i], voltageRegister[i]);
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fvalue = voltageGain * value;
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}
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if (fvalue > 0)
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voltages[i] = fvalue;
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else
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voltages[i] = null;
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} else {
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// Battery voltage
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bool valid = (ReadByte(0, 0x5D) & 0x01) > 0;
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if (valid) {
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voltages[i] = voltageGain * ReadByte(5, VOLTAGE_VBAT_REG);
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} else {
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voltages[i] = null;
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}
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}
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}
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for (int i = 0; i < temperatures.Length; i++) {
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int value = ((sbyte)ReadByte(TEMPERATURE_BANK[i],
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TEMPERATURE_REG[i])) << 1;
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if (TEMPERATURE_BANK[i] > 0)
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value |= ReadByte(TEMPERATURE_BANK[i],
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(byte)(TEMPERATURE_REG[i] + 1)) >> 7;
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float temperature = value / 2.0f;
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if (temperature <= 125 && temperature >= -55 && !peciTemperature[i]) {
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temperatures[i] = temperature;
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} else {
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temperatures[i] = null;
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}
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}
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ulong bits = 0;
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for (int i = 0; i < FAN_BIT_REG.Length; i++)
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bits = (bits << 8) | ReadByte(0, FAN_BIT_REG[i]);
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ulong newBits = bits;
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for (int i = 0; i < fans.Length; i++) {
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int count = ReadByte(FAN_TACHO_BANK[i], FAN_TACHO_REG[i]);
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// assemble fan divisor
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int divisorBits = (int)(
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(((bits >> FAN_DIV_BIT2[i]) & 1) << 2) |
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(((bits >> FAN_DIV_BIT1[i]) & 1) << 1) |
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((bits >> FAN_DIV_BIT0[i]) & 1));
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int divisor = 1 << divisorBits;
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float value = (count < 0xff) ? 1.35e6f / (count * divisor) : 0;
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fans[i] = value;
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// update fan divisor
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if (count > 192 && divisorBits < 7)
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divisorBits++;
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if (count < 96 && divisorBits > 0)
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divisorBits--;
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newBits = SetBit(newBits, FAN_DIV_BIT2[i], (divisorBits >> 2) & 1);
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newBits = SetBit(newBits, FAN_DIV_BIT1[i], (divisorBits >> 1) & 1);
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newBits = SetBit(newBits, FAN_DIV_BIT0[i], divisorBits & 1);
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}
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// write new fan divisors
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for (int i = FAN_BIT_REG.Length - 1; i >= 0; i--) {
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byte oldByte = (byte)(bits & 0xFF);
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byte newByte = (byte)(newBits & 0xFF);
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bits = bits >> 8;
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newBits = newBits >> 8;
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if (oldByte != newByte)
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WriteByte(0, FAN_BIT_REG[i], newByte);
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}
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Ring0.ReleaseIsaBusMutex();
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}
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public string GetReport() {
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StringBuilder r = new StringBuilder();
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r.AppendLine("LPC " + this.GetType().Name);
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r.AppendLine();
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r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
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r.Append("Chip revision: 0x");
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r.AppendLine(revision.ToString("X", CultureInfo.InvariantCulture));
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r.Append("Base Adress: 0x");
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r.AppendLine(address.ToString("X4", CultureInfo.InvariantCulture));
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r.AppendLine();
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if (!Ring0.WaitIsaBusMutex(100))
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return r.ToString();
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r.AppendLine("Hardware Monitor Registers");
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r.AppendLine();
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r.AppendLine(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
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r.AppendLine();
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for (int i = 0; i <= 0x7; i++) {
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r.Append(" ");
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r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));
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r.Append(" ");
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for (int j = 0; j <= 0xF; j++) {
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r.Append(" ");
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r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString(
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"X2", CultureInfo.InvariantCulture));
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}
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r.AppendLine();
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}
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for (int k = 1; k <= 15; k++) {
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r.AppendLine("Bank " + k);
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for (int i = 0x5; i < 0x6; i++) {
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r.Append(" ");
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r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture));
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r.Append(" ");
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for (int j = 0; j <= 0xF; j++) {
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r.Append(" ");
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r.Append(ReadByte((byte)(k), (byte)((i << 4) | j)).ToString(
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"X2", CultureInfo.InvariantCulture));
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}
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r.AppendLine();
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}
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}
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r.AppendLine();
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Ring0.ReleaseIsaBusMutex();
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return r.ToString();
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}
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}
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}
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