moel@16: /*
moel@16:   
moel@16:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@16: 
moel@16:   The contents of this file are subject to the Mozilla Public License Version
moel@16:   1.1 (the "License"); you may not use this file except in compliance with
moel@16:   the License. You may obtain a copy of the License at
moel@16:  
moel@16:   http://www.mozilla.org/MPL/
moel@16: 
moel@16:   Software distributed under the License is distributed on an "AS IS" basis,
moel@16:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@16:   for the specific language governing rights and limitations under the License.
moel@16: 
moel@16:   The Original Code is the Open Hardware Monitor code.
moel@16: 
moel@16:   The Initial Developer of the Original Code is 
moel@16:   Michael Möller <m.moeller@gmx.ch>.
moel@16:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@16:   the Initial Developer. All Rights Reserved.
moel@16: 
moel@16:   Contributor(s):
moel@16: 
moel@16:   Alternatively, the contents of this file may be used under the terms of
moel@16:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@16:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@16:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@16:   of those above. If you wish to allow use of your version of this file only
moel@16:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@16:   use your version of this file under the terms of the MPL, indicate your
moel@16:   decision by deleting the provisions above and replace them with the notice
moel@16:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@16:   the provisions above, a recipient may use your version of this file under
moel@16:   the terms of any one of the MPL, the GPL or the LGPL.
moel@16:  
moel@16: */
moel@16: 
moel@166: using System.Globalization;
moel@16: using System.Text;
moel@16: 
moel@16: namespace OpenHardwareMonitor.Hardware.LPC {
moel@165:   internal class F718XX : ISuperIO {
moel@16: 
moel@195:     private readonly ushort address;
moel@195:     private readonly Chip chip;
moel@16: 
moel@195:     private readonly float?[] voltages;
moel@195:     private readonly float?[] temperatures;
moel@195:     private readonly float?[] fans;
moel@16: 
moel@16:     // Hardware Monitor
moel@16:     private const byte ADDRESS_REGISTER_OFFSET = 0x05;
moel@16:     private const byte DATA_REGISTER_OFFSET = 0x06;
moel@16: 
moel@16:     // Hardware Monitor Registers
moel@16:     private const byte VOLTAGE_BASE_REG = 0x20;
moel@68:     private const byte TEMPERATURE_CONFIG_REG = 0x69;
moel@68:     private const byte TEMPERATURE_BASE_REG = 0x70;
moel@195:     private readonly byte[] FAN_TACHOMETER_REG = 
moel@195:       new byte[] { 0xA0, 0xB0, 0xC0, 0xD0 };
moel@16:     
moel@16:     private byte ReadByte(byte register) {
moel@16:       WinRing0.WriteIoPortByte(
moel@16:         (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
moel@16:       return WinRing0.ReadIoPortByte((ushort)(address + DATA_REGISTER_OFFSET));
moel@132:     }
moel@16: 
moel@130:     public F718XX(Chip chip, ushort address) {
moel@16:       this.address = address;
moel@130:       this.chip = chip;
moel@16: 
moel@130:       voltages = new float?[chip == Chip.F71858 ? 3 : 9];
moel@130:       temperatures = new float?[3];
moel@130:       fans = new float?[chip == Chip.F71882 || chip == Chip.F71858? 4 : 3];
moel@16:     }
moel@16: 
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@130: 
moel@130:     public string GetReport() {
moel@16:       StringBuilder r = new StringBuilder();
moel@16: 
moel@31:       r.AppendLine("LPC " + this.GetType().Name);
moel@16:       r.AppendLine();
moel@166:       r.Append("Base Adress: 0x"); 
moel@166:       r.AppendLine(address.ToString("X4", CultureInfo.InvariantCulture));
moel@16:       r.AppendLine();
moel@162: 
moel@163:       if (!WinRing0.WaitIsaBusMutex(100))
moel@162:         return r.ToString();
moel@162: 
moel@16:       r.AppendLine("Hardware Monitor Registers");
moel@16:       r.AppendLine();
moel@16:       r.AppendLine("      00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
moel@16:       r.AppendLine();
moel@16:       for (int i = 0; i <= 0xF; i++) {
moel@166:         r.Append(" "); 
moel@166:         r.Append((i << 4).ToString("X2", CultureInfo.InvariantCulture)); 
moel@166:         r.Append("  ");
moel@16:         for (int j = 0; j <= 0xF; j++) {
moel@16:           r.Append(" ");
moel@166:           r.Append(ReadByte((byte)((i << 4) | j)).ToString("X2", 
moel@166:             CultureInfo.InvariantCulture));
moel@16:         }
moel@16:         r.AppendLine();
moel@16:       }
moel@16:       r.AppendLine();
moel@162: 
moel@162:       WinRing0.ReleaseIsaBusMutex();
moel@162: 
moel@16:       return r.ToString();
moel@16:     }
moel@16: 
moel@130:     public void Update() {
moel@163:       if (!WinRing0.WaitIsaBusMutex(10))
moel@162:         return;
moel@16: 
moel@130:       for (int i = 0; i < voltages.Length; i++) {
moel@130:         int value = ReadByte((byte)(VOLTAGE_BASE_REG + i));
moel@132:         voltages[i] = 0.008f * value;
moel@16:       }
moel@68:      
moel@130:       for (int i = 0; i < temperatures.Length; i++) {
moel@68:         switch (chip) {
moel@68:           case Chip.F71858: {
moel@195:               int tableMode = 0x3 & ReadByte(TEMPERATURE_CONFIG_REG);
moel@68:               int high = 
moel@130:                 ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * i));
moel@68:               int low =
moel@130:                 ReadByte((byte)(TEMPERATURE_BASE_REG + 2 * i + 1));              
moel@68:               if (high != 0xbb && high != 0xcc) {
moel@68:                 int bits = 0;
moel@68:                 switch (tableMode) {
moel@68:                   case 0: bits = 0; break;
moel@68:                   case 1: bits = 0; break;
moel@68:                   case 2: bits = (high & 0x80) << 8; break;
moel@68:                   case 3: bits = (low & 0x01) << 15; break;
moel@68:                 }
moel@68:                 bits |= high << 7;
moel@68:                 bits |= (low & 0xe0) >> 1;
moel@68:                 short value = (short)(bits & 0xfff0);
moel@130:                 temperatures[i] = value / 128.0f;
moel@68:               } else {
moel@130:                 temperatures[i] = null;
moel@68:               }
moel@68:           } break;
moel@68:           default: {
moel@68:             sbyte value = (sbyte)ReadByte((byte)(
moel@130:               TEMPERATURE_BASE_REG + 2 * (i + 1)));            
moel@68:             if (value < sbyte.MaxValue && value > 0)
moel@130:               temperatures[i] = value;
moel@130:             else
moel@130:               temperatures[i] = null;
moel@68:           } break;
moel@68:         }
moel@16:       }
moel@16: 
moel@130:       for (int i = 0; i < fans.Length; i++) {
moel@130:         int value = ReadByte(FAN_TACHOMETER_REG[i]) << 8;
moel@130:         value |= ReadByte((byte)(FAN_TACHOMETER_REG[i] + 1));
moel@16: 
moel@130:         if (value > 0) 
moel@130:           fans[i] = (value < 0x0fff) ? 1.5e6f / value : 0;
moel@130:         else 
moel@130:           fans[i] = null;        
moel@162:       }
moel@162: 
moel@162:       WinRing0.ReleaseIsaBusMutex();
moel@16:     }
moel@16:   }
moel@16: }