moel@31: /*
moel@31:   
moel@31:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@31: 
moel@31:   The contents of this file are subject to the Mozilla Public License Version
moel@31:   1.1 (the "License"); you may not use this file except in compliance with
moel@31:   the License. You may obtain a copy of the License at
moel@31:  
moel@31:   http://www.mozilla.org/MPL/
moel@31: 
moel@31:   Software distributed under the License is distributed on an "AS IS" basis,
moel@31:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@31:   for the specific language governing rights and limitations under the License.
moel@31: 
moel@31:   The Original Code is the Open Hardware Monitor code.
moel@31: 
moel@31:   The Initial Developer of the Original Code is 
moel@31:   Michael Möller <m.moeller@gmx.ch>.
moel@31:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@31:   the Initial Developer. All Rights Reserved.
moel@31: 
moel@31:   Contributor(s):
moel@31: 
moel@31:   Alternatively, the contents of this file may be used under the terms of
moel@31:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@31:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@31:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@31:   of those above. If you wish to allow use of your version of this file only
moel@31:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@31:   use your version of this file under the terms of the MPL, indicate your
moel@31:   decision by deleting the provisions above and replace them with the notice
moel@31:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@31:   the provisions above, a recipient may use your version of this file under
moel@31:   the terms of any one of the MPL, the GPL or the LGPL.
moel@31:  
moel@31: */
moel@31: 
moel@31: using System;
moel@31: using System.Collections.Generic;
moel@31: using System.Drawing;
moel@31: using System.Text;
moel@31: 
moel@31: namespace OpenHardwareMonitor.Hardware.LPC {
moel@31:   public abstract class Winbond : LPCHardware {
moel@31: 
moel@31:     private ushort address;
moel@31:     private byte revision;
moel@31: 
moel@31:     private bool available;
moel@31: 
moel@31:     // Consts 
moel@31:     private const ushort WINBOND_VENDOR_ID = 0x5CA3;
moel@31:     private const byte HIGH_BYTE = 0x80;
moel@31: 
moel@31:     // Hardware Monitor
moel@31:     private const byte ADDRESS_REGISTER_OFFSET = 0x05;
moel@31:     private const byte DATA_REGISTER_OFFSET = 0x06;
moel@31: 
moel@31:     // Hardware Monitor Registers
moel@31:     private const byte BANK_SELECT_REGISTER = 0x04E;
moel@31:     private const byte VENDOR_ID_REGISTER = 0x4F;
moel@31: 
moel@31:     protected byte ReadByte(byte bank, byte register) {
moel@31:       WinRing0.WriteIoPortByte(
moel@31:          (ushort)(address + ADDRESS_REGISTER_OFFSET), BANK_SELECT_REGISTER);
moel@31:       WinRing0.WriteIoPortByte(
moel@31:          (ushort)(address + DATA_REGISTER_OFFSET), bank);
moel@31:       WinRing0.WriteIoPortByte(
moel@31:          (ushort)(address + ADDRESS_REGISTER_OFFSET), register);
moel@31:       return WinRing0.ReadIoPortByte(
moel@31:         (ushort)(address + DATA_REGISTER_OFFSET));
moel@31:     } 
moel@31: 
moel@31:     private bool IsWinbondVendor() {
moel@31:       ushort vendorId =
moel@31:         (ushort)((ReadByte(HIGH_BYTE, VENDOR_ID_REGISTER) << 8) |
moel@31:            ReadByte(0, VENDOR_ID_REGISTER));
moel@31:       return vendorId == WINBOND_VENDOR_ID;
moel@31:     }
moel@31: 
moel@31:     public Winbond(Chip chip, byte revision, ushort address)
moel@31:       : base(chip) 
moel@31:     {
moel@31:       this.address = address;
moel@31:       this.revision = revision;
moel@31: 
moel@31:       available = IsWinbondVendor();
moel@31:     }
moel@31: 
moel@31:     public bool IsAvailable {
moel@31:       get { return available; }
moel@31:     }    
moel@31:    
moel@31:     public string GetReport() {
moel@31:       StringBuilder r = new StringBuilder();
moel@31: 
moel@31:       r.AppendLine("LPC " + this.GetType().Name);
moel@31:       r.AppendLine();
moel@31:       r.Append("Chip ID: 0x"); r.AppendLine(chip.ToString("X"));
moel@31:       r.Append("Chip revision: 0x"); r.AppendLine(revision.ToString("X"));
moel@31:       r.Append("Base Adress: 0x"); r.AppendLine(address.ToString("X4"));
moel@31:       r.AppendLine();
moel@31:       r.AppendLine("Hardware Monitor Registers");
moel@31:       r.AppendLine();
moel@31:       r.AppendLine("      00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F");
moel@31:       r.AppendLine();
moel@31:       for (int i = 0; i < 0x7; i++) {
moel@31:         r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");
moel@31:         for (int j = 0; j <= 0xF; j++) {
moel@31:           r.Append(" ");
moel@31:           r.Append(ReadByte(0, (byte)((i << 4) | j)).ToString("X2"));
moel@31:         }
moel@31:         r.AppendLine();
moel@31:       }
moel@31:       for (int k = 1; k <= 5; k++) {
moel@31:         r.AppendLine("Bank " + k);
moel@31:         for (int i = 0x5; i < 0x6; i++) {
moel@31:           r.Append(" "); r.Append((i << 4).ToString("X2")); r.Append("  ");
moel@31:           for (int j = 0; j <= 0xF; j++) {
moel@31:             r.Append(" ");
moel@31:             r.Append(ReadByte((byte)(k),
moel@31:               (byte)((i << 4) | j)).ToString("X2"));
moel@31:           }
moel@31:           r.AppendLine();
moel@31:         }
moel@31:       }
moel@31:       r.AppendLine();
moel@31: 
moel@31:       return r.ToString();
moel@31:     }
moel@31:   }
moel@31: }