232 lines
8.1 KiB
C#
232 lines
8.1 KiB
C#
/*
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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the License.
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The Original Code is the Open Hardware Monitor code.
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The Initial Developer of the Original Code is
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Michael Möller <m.moeller@gmx.ch>.
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Portions created by the Initial Developer are Copyright (C) 2010
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the Initial Developer. All Rights Reserved.
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Contributor(s):
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Alternatively, the contents of this file may be used under the terms of
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either the GNU General Public License Version 2 or later (the "GPL"), or
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the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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in which case the provisions of the GPL or the LGPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of either the GPL or the LGPL, and not to allow others to
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use your version of this file under the terms of the MPL, indicate your
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decision by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL or the LGPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the MPL, the GPL or the LGPL.
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*/
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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 NCT677X : ISuperIO {
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private readonly ushort port;
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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?[9];
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private readonly float?[] temperatures = new float?[3];
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private readonly float?[] fans = new float?[4];
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// Hardware Monitor
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private const uint ADDRESS_REGISTER_OFFSET = 0x05;
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private const uint DATA_REGISTER_OFFSET = 0x06;
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private const byte BANK_SELECT_REGISTER = 0x4E;
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private byte ReadByte(ushort address) {
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byte bank = (byte)(address >> 8);
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byte register = (byte)(address & 0xFF);
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Ring0.WriteIoPort(port + ADDRESS_REGISTER_OFFSET, BANK_SELECT_REGISTER);
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Ring0.WriteIoPort(port + DATA_REGISTER_OFFSET, bank);
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Ring0.WriteIoPort(port + ADDRESS_REGISTER_OFFSET, register);
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return Ring0.ReadIoPort(port + DATA_REGISTER_OFFSET);
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}
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// Consts
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private const ushort NUVOTON_VENDOR_ID = 0x5CA3;
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// Hardware Monitor Registers
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private const ushort VENDOR_ID_HIGH_REGISTER = 0x804F;
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private const ushort VENDOR_ID_LOW_REGISTER = 0x004F;
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private const ushort VOLTAGE_VBAT_REG = 0x0551;
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private readonly ushort[] TEMPERATURE_REG =
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{ 0x150, 0x250, 0x27, 0x62B, 0x62C, 0x62D };
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private readonly ushort[] TEMPERATURE_HALF_REG =
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{ 0x151, 0x251, 0, 0x62E, 0x62E, 0x62E };
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private readonly ushort[] TEMPERATURE_SRC_REG =
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{ 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 };
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private readonly int[] TEMPERATURE_HALF_BIT = { 7, 7, -1, 0, 1, 2 };
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private readonly ushort[] VOLTAGE_REG =
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{ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551 };
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private readonly ushort[] FAN_RPM_REG = { 0x656, 0x658, 0x65A, 0x65C};
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private enum TemperatureSource : byte {
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SYSTIN = 1,
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CPUTIN = 2,
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AUXTIN = 3,
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SMBUSMASTER = 4,
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PECI0 = 5,
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PECI1 = 6,
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PECI2 = 7,
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PECI3 = 8,
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PECI4 = 9,
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PECI5 = 10,
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PECI6 = 11,
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PECI7 = 12,
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PCH_CHIP_CPU_MAX_TEMP = 13,
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PCH_CHIP_TEMP = 14,
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PCH_CPU_TEMP = 15,
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PCH_MCH_TEMP = 16,
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PCH_DIM0_TEMP = 17,
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PCH_DIM1_TEMP = 18,
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PCH_DIM2_TEMP = 19,
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PCH_DIM3_TEMP = 20
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}
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public NCT677X(Chip chip, byte revision, ushort port) {
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this.chip = chip;
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this.revision = revision;
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this.port = port;
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if (!IsNuvotonVendor())
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return;
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}
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private bool IsNuvotonVendor() {
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return ((ReadByte(VENDOR_ID_HIGH_REGISTER) << 8) |
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ReadByte(VENDOR_ID_LOW_REGISTER)) == NUVOTON_VENDOR_ID;
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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 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 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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float value = 0.008f * ReadByte(VOLTAGE_REG[i]);
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bool valid = value > 0;
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// check if battery voltage monitor is enabled
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if (valid && VOLTAGE_REG[i] == VOLTAGE_VBAT_REG)
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valid = (ReadByte(0x005D) & 0x01) > 0;
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voltages[i] = valid ? value : (float?)null;
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}
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for (int i = 0; i < TEMPERATURE_REG.Length; i++) {
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int value = ((sbyte)ReadByte(TEMPERATURE_REG[i])) << 1;
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if (TEMPERATURE_HALF_BIT[i] > 0) {
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value |= ((ReadByte(TEMPERATURE_HALF_REG[i]) >>
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TEMPERATURE_HALF_BIT[i]) & 0x1);
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}
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TemperatureSource source = (TemperatureSource)
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ReadByte(TEMPERATURE_SRC_REG[i]);
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float? temperature = 0.5f * value;
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if (temperature > 125 || temperature < -55)
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temperature = null;
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switch (source) {
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case TemperatureSource.CPUTIN: temperatures[0] = temperature; break;
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case TemperatureSource.AUXTIN: temperatures[1] = temperature; break;
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case TemperatureSource.SYSTIN: temperatures[2] = temperature; break;
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}
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}
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for (int i = 0; i < fans.Length; i++) {
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byte high = ReadByte(FAN_RPM_REG[i]);
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byte low = ReadByte((ushort)(FAN_RPM_REG[i] + 1));
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fans[i] = (high << 8) | low;
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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(port.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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ushort[] addresses = new ushort[] {
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0x000, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070,
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0x100, 0x110, 0x120, 0x130, 0x140, 0x150,
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0x200, 0x220, 0x230, 0x240, 0x250,
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0x300, 0x320, 0x330, 0x340,
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0x400, 0x410, 0x420, 0x440, 0x450, 0x460,
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0x500, 0x550,
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0x600, 0x610 ,0x620, 0x630, 0x640, 0x650, 0x660, 0x670,
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0xA00, 0xA10, 0xA20, 0xA30, 0xA50, 0xA60, 0xA70,
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0xB00, 0xB10, 0xB20, 0xB30, 0xB50, 0xB60, 0xB70,
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0xC00, 0xC10, 0xC20, 0xC30, 0xC50, 0xC60, 0xC70,
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0xD00, 0xD10, 0xD20, 0xD30, 0xD50, 0xD60,
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0xE00, 0xE10, 0xE20, 0xE30,
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0xF00, 0xF10, 0xF20, 0xF30};
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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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foreach (ushort address in addresses) {
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r.Append(" ");
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r.Append(address.ToString("X3", CultureInfo.InvariantCulture));
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r.Append(" ");
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for (ushort j = 0; j <= 0xF; j++) {
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r.Append(" ");
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r.Append(ReadByte((ushort)(address | 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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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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