i8042.hh (11175:2324ed5fa9f4) i8042.hh (12653:4f6b6c1a8e2f)
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
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/x86/intdev.hh"
37#include "dev/io_device.hh"
36#include "dev/io_device.hh"
37#include "dev/ps2/device.hh"
38#include "dev/x86/intdev.hh"
38#include "params/I8042.hh"
39
40namespace X86ISA
41{
42
43class IntPin;
44
39#include "params/I8042.hh"
40
41namespace X86ISA
42{
43
44class IntPin;
45
45class PS2Device
46{
47 protected:
48 std::deque<uint8_t> outBuffer;
49
50 static const uint16_t NoCommand = (uint16_t)(-1);
51
52 uint16_t lastCommand;
53 void bufferData(const uint8_t *data, int size);
54 void ack();
55 void nack();
56
57 public:
58 virtual ~PS2Device()
59 {};
60
61 PS2Device() : lastCommand(NoCommand)
62 {}
63
64 virtual void serialize(const std::string &base, CheckpointOut &cp) const;
65 virtual void unserialize(const std::string &base, CheckpointIn &cp);
66
67 bool hasData()
68 {
69 return !outBuffer.empty();
70 }
71
72 uint8_t getData()
73 {
74 uint8_t data = outBuffer.front();
75 outBuffer.pop_front();
76 return data;
77 }
78
79 virtual bool processData(uint8_t data) = 0;
80};
81
82class PS2Mouse : public PS2Device
83{
84 protected:
85 static const uint8_t ID[];
86
87 enum Command
88 {
89 Scale1to1 = 0xE6,
90 Scale2to1 = 0xE7,
91 SetResolution = 0xE8,
92 GetStatus = 0xE9,
93 ReadData = 0xEB,
94 ResetWrapMode = 0xEC,
95 WrapMode = 0xEE,
96 RemoteMode = 0xF0,
97 ReadID = 0xF2,
98 SampleRate = 0xF3,
99 EnableReporting = 0xF4,
100 DisableReporting = 0xF5,
101 DefaultsAndDisable = 0xF6,
102 Resend = 0xFE,
103 Reset = 0xFF
104 };
105
106 BitUnion8(Status)
107 Bitfield<6> remote;
108 Bitfield<5> enabled;
109 Bitfield<4> twoToOne;
110 Bitfield<2> leftButton;
111 Bitfield<0> rightButton;
112 EndBitUnion(Status)
113
114 Status status;
115 uint8_t resolution;
116 uint8_t sampleRate;
117 public:
118 PS2Mouse() : PS2Device(), status(0), resolution(4), sampleRate(100)
119 {}
120
121 bool processData(uint8_t data) override;
122
123 void serialize(const std::string &base, CheckpointOut &cp) const override;
124 void unserialize(const std::string &base, CheckpointIn &cp) override;
125};
126
127class PS2Keyboard : public PS2Device
128{
129 protected:
130 static const uint8_t ID[];
131
132 enum Command
133 {
134 LEDWrite = 0xED,
135 DiagnosticEcho = 0xEE,
136 AlternateScanCodes = 0xF0,
137 ReadID = 0xF2,
138 TypematicInfo = 0xF3,
139 Enable = 0xF4,
140 Disable = 0xF5,
141 DefaultsAndDisable = 0xF6,
142 AllKeysToTypematic = 0xF7,
143 AllKeysToMakeRelease = 0xF8,
144 AllKeysToMake = 0xF9,
145 AllKeysToTypematicMakeRelease = 0xFA,
146 KeyToTypematic = 0xFB,
147 KeyToMakeRelease = 0xFC,
148 KeyToMakeOnly = 0xFD,
149 Resend = 0xFE,
150 Reset = 0xFF
151 };
152
153 public:
154 bool processData(uint8_t data) override;
155};
156
157class I8042 : public BasicPioDevice
158{
159 protected:
160 enum Command
161 {
162 GetCommandByte = 0x20,
163 ReadControllerRamBase = 0x20,
164 WriteCommandByte = 0x60,

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219 uint8_t dataReg;
220
221 static const uint16_t NoCommand = (uint16_t)(-1);
222 uint16_t lastCommand;
223
224 IntSourcePin *mouseIntPin;
225 IntSourcePin *keyboardIntPin;
226
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
227 PS2Mouse mouse;
228 PS2Keyboard keyboard;
116 PS2Device *mouse;
117 PS2Device *keyboard;
229
230 void writeData(uint8_t newData, bool mouse = false);
231 uint8_t readDataOut();
232
233 public:
234 typedef I8042Params Params;
235
236 const Params *

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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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