1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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28 * Authors: Gabe Black
29 */
30
31#ifndef __DEV_X86_I8042_HH__
32#define __DEV_X86_I8042_HH__
33
34#include <deque>
35
36#include "dev/io_device.hh"
37#include "dev/ps2/device.hh"
38#include "dev/x86/intdev.hh"
39#include "params/I8042.hh"
40
41namespace X86ISA
42{
43
44class IntPin;
45
46class I8042 : public BasicPioDevice
47{
48 protected:
49 enum Command
50 {
51 GetCommandByte = 0x20,
52 ReadControllerRamBase = 0x20,
53 WriteCommandByte = 0x60,

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108 uint8_t dataReg;
109
110 static const uint16_t NoCommand = (uint16_t)(-1);
111 uint16_t lastCommand;
112
113 IntSourcePin *mouseIntPin;
114 IntSourcePin *keyboardIntPin;
115
116 PS2Device *mouse;
117 PS2Device *keyboard;
118
119 void writeData(uint8_t newData, bool mouse = false);
120 uint8_t readDataOut();
121
122 public:
123 typedef I8042Params Params;
124
125 const Params *

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