moel@16: /*
moel@16:  
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@16:  
moel@344:   Copyright (C) 2009-2011 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344: 	
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@323:     private readonly float?[] controls;
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@236:       Ring0.WriteIoPort(
moel@16:         (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
moel@236:       return Ring0.ReadIoPort((ushort)(address + DATA_REGISTER_OFFSET));
moel@132:     }
moel@16: 
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@228: 
moel@323:     public void SetControl(int index, byte? value) { }   
moel@323: 
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@352:       temperatures = new float?[chip == Chip.F71808E ? 2 : 3];
moel@352:       fans = new float?[chip == Chip.F71882 || chip == Chip.F71858 ? 4 : 3];
moel@323:       controls = new float?[0];
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@323:     public float?[] Controls { get { return controls; } }
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@236:       if (!Ring0.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@236:       Ring0.ReleaseIsaBusMutex();
moel@162: 
moel@16:       return r.ToString();
moel@16:     }
moel@16: 
moel@130:     public void Update() {
moel@236:       if (!Ring0.WaitIsaBusMutex(10))
moel@162:         return;
moel@16: 
moel@130:       for (int i = 0; i < voltages.Length; i++) {
moel@352:         if (chip == Chip.F71808E && i == 6) {
moel@352:           // 0x26 is reserved on F71808E
moel@352:           voltages[i] = 0;
moel@352:         } else {
moel@352:           int value = ReadByte((byte)(VOLTAGE_BASE_REG + i));
moel@352:           voltages[i] = 0.008f * value;
moel@352:         }
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@236:       Ring0.ReleaseIsaBusMutex();
moel@16:     }
moel@16:   }
moel@16: }