1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright (c) 2017-2018 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Copyright (c) 2008 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
* Andreas Sandberg
*/
#include "dev/ps2/keyboard.hh"
#include "base/logging.hh"
#include "debug/PS2.hh"
#include "params/PS2Keyboard.hh"
const uint8_t PS2Keyboard::ID[] = {0xab, 0x83};
PS2Keyboard::PS2Keyboard(const PS2KeyboardParams *p)
: PS2Device(p),
lastCommand(NoCommand)
{
}
void
PS2Keyboard::serialize(CheckpointOut &cp) const
{
PS2Device::serialize(cp);
SERIALIZE_SCALAR(lastCommand);
}
void
PS2Keyboard::unserialize(CheckpointIn &cp)
{
PS2Device::unserialize(cp);
UNSERIALIZE_SCALAR(lastCommand);
}
void
PS2Keyboard::recv(uint8_t data)
{
if (lastCommand != NoCommand) {
switch (lastCommand) {
case LEDWrite:
DPRINTF(PS2, "Setting LEDs: "
"caps lock %s, num lock %s, scroll lock %s\n",
bits(data, 2) ? "on" : "off",
bits(data, 1) ? "on" : "off",
bits(data, 0) ? "on" : "off");
sendAck();
lastCommand = NoCommand;
break;
case TypematicInfo:
DPRINTF(PS2, "Setting typematic info to %#02x.\n", data);
sendAck();
lastCommand = NoCommand;
break;
}
return;
}
switch (data) {
case LEDWrite:
DPRINTF(PS2, "Got LED write command.\n");
sendAck();
lastCommand = LEDWrite;
break;
case DiagnosticEcho:
panic("Keyboard diagnostic echo unimplemented.\n");
case AlternateScanCodes:
panic("Accessing alternate scan codes unimplemented.\n");
case ReadID:
DPRINTF(PS2, "Got keyboard read ID command.\n");
sendAck();
send((uint8_t *)&ID, sizeof(ID));
break;
case TypematicInfo:
DPRINTF(PS2, "Setting typematic info.\n");
sendAck();
lastCommand = TypematicInfo;
break;
case Enable:
DPRINTF(PS2, "Enabling the keyboard.\n");
sendAck();
break;
case Disable:
DPRINTF(PS2, "Disabling the keyboard.\n");
sendAck();
break;
case DefaultsAndDisable:
DPRINTF(PS2, "Disabling and resetting the keyboard.\n");
sendAck();
break;
case AllKeysToTypematic:
panic("Setting all keys to typemantic unimplemented.\n");
case AllKeysToMakeRelease:
panic("Setting all keys to make/release unimplemented.\n");
case AllKeysToMake:
panic("Setting all keys to make unimplemented.\n");
case AllKeysToTypematicMakeRelease:
panic("Setting all keys to "
"typematic/make/release unimplemented.\n");
case KeyToTypematic:
panic("Setting a key to typematic unimplemented.\n");
case KeyToMakeRelease:
panic("Setting a key to make/release unimplemented.\n");
case KeyToMakeOnly:
panic("Setting key to make only unimplemented.\n");
case Resend:
panic("Keyboard resend unimplemented.\n");
case Reset:
panic("Keyboard reset unimplemented.\n");
default:
panic("Unknown keyboard command %#02x.\n", data);
}
}
PS2Keyboard *
PS2KeyboardParams::create()
{
return new PS2Keyboard(this);
}
|