keyboard.cc (12657:b0e98d6b4456) keyboard.cc (12660:c5caca5f7d68)
1/*
2 * Copyright (c) 2017-2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2008 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Gabe Black
41 * Andreas Sandberg
42 */
43
44#include "dev/ps2/keyboard.hh"
45
46#include "base/logging.hh"
47#include "debug/PS2.hh"
1/*
2 * Copyright (c) 2017-2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2008 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Gabe Black
41 * Andreas Sandberg
42 */
43
44#include "dev/ps2/keyboard.hh"
45
46#include "base/logging.hh"
47#include "debug/PS2.hh"
48#include "dev/ps2.hh"
48#include "dev/ps2/types.hh"
49#include "params/PS2Keyboard.hh"
50
49#include "params/PS2Keyboard.hh"
50
51const uint8_t PS2Keyboard::ID[] = {0xab, 0x83};
52
53PS2Keyboard::PS2Keyboard(const PS2KeyboardParams *p)
54 : PS2Device(p),
55 shiftDown(false),
56 enabled(false)
57{
58 if (p->vnc)
59 p->vnc->setKeyboard(this);
60}
61
62void
63PS2Keyboard::serialize(CheckpointOut &cp) const
64{
65 PS2Device::serialize(cp);
66 SERIALIZE_SCALAR(shiftDown);
67 SERIALIZE_SCALAR(enabled);
68}
69
70void
71PS2Keyboard::unserialize(CheckpointIn &cp)
72{
73 PS2Device::unserialize(cp);
74 UNSERIALIZE_SCALAR(shiftDown);
75 UNSERIALIZE_SCALAR(enabled);
76}
77
78bool
79PS2Keyboard::recv(const std::vector<uint8_t> &data)
80{
81 switch (data[0]) {
51PS2Keyboard::PS2Keyboard(const PS2KeyboardParams *p)
52 : PS2Device(p),
53 shiftDown(false),
54 enabled(false)
55{
56 if (p->vnc)
57 p->vnc->setKeyboard(this);
58}
59
60void
61PS2Keyboard::serialize(CheckpointOut &cp) const
62{
63 PS2Device::serialize(cp);
64 SERIALIZE_SCALAR(shiftDown);
65 SERIALIZE_SCALAR(enabled);
66}
67
68void
69PS2Keyboard::unserialize(CheckpointIn &cp)
70{
71 PS2Device::unserialize(cp);
72 UNSERIALIZE_SCALAR(shiftDown);
73 UNSERIALIZE_SCALAR(enabled);
74}
75
76bool
77PS2Keyboard::recv(const std::vector<uint8_t> &data)
78{
79 switch (data[0]) {
82 case LEDWrite:
80 case Ps2::ReadID:
81 DPRINTF(PS2, "Got keyboard read ID command.\n");
82 sendAck();
83 send(Ps2::Keyboard::ID);
84 return true;
85 case Ps2::Enable:
86 DPRINTF(PS2, "Enabling the keyboard.\n");
87 enabled = true;
88 sendAck();
89 return true;
90 case Ps2::Disable:
91 DPRINTF(PS2, "Disabling the keyboard.\n");
92 enabled = false;
93 sendAck();
94 return true;
95 case Ps2::DefaultsAndDisable:
96 DPRINTF(PS2, "Disabling and resetting the keyboard.\n");
97 enabled = false;
98 sendAck();
99 return true;
100 case Ps2::Reset:
101 DPRINTF(PS2, "Resetting keyboard.\n");
102 enabled = true;
103 sendAck();
104 send(Ps2::SelfTestPass);
105 return true;
106 case Ps2::Resend:
107 panic("Keyboard resend unimplemented.\n");
108
109 case Ps2::Keyboard::LEDWrite:
83 if (data.size() == 1) {
84 DPRINTF(PS2, "Got LED write command.\n");
85 sendAck();
86 return false;
87 } else {
88 DPRINTF(PS2, "Setting LEDs: "
89 "caps lock %s, num lock %s, scroll lock %s\n",
90 bits(data[1], 2) ? "on" : "off",
91 bits(data[1], 1) ? "on" : "off",
92 bits(data[1], 0) ? "on" : "off");
93 sendAck();
94 return true;
95 }
110 if (data.size() == 1) {
111 DPRINTF(PS2, "Got LED write command.\n");
112 sendAck();
113 return false;
114 } else {
115 DPRINTF(PS2, "Setting LEDs: "
116 "caps lock %s, num lock %s, scroll lock %s\n",
117 bits(data[1], 2) ? "on" : "off",
118 bits(data[1], 1) ? "on" : "off",
119 bits(data[1], 0) ? "on" : "off");
120 sendAck();
121 return true;
122 }
96 case DiagnosticEcho:
123 case Ps2::Keyboard::DiagnosticEcho:
97 panic("Keyboard diagnostic echo unimplemented.\n");
124 panic("Keyboard diagnostic echo unimplemented.\n");
98 case AlternateScanCodes:
125 case Ps2::Keyboard::AlternateScanCodes:
99 panic("Accessing alternate scan codes unimplemented.\n");
126 panic("Accessing alternate scan codes unimplemented.\n");
100 case ReadID:
101 DPRINTF(PS2, "Got keyboard read ID command.\n");
102 sendAck();
103 send((uint8_t *)&ID, sizeof(ID));
104 return true;
105 case TypematicInfo:
127 case Ps2::Keyboard::TypematicInfo:
106 if (data.size() == 1) {
107 DPRINTF(PS2, "Setting typematic info.\n");
108 sendAck();
109 return false;
110 } else {
111 DPRINTF(PS2, "Setting typematic info to %#02x.\n", data[1]);
112 sendAck();
113 return true;
114 }
128 if (data.size() == 1) {
129 DPRINTF(PS2, "Setting typematic info.\n");
130 sendAck();
131 return false;
132 } else {
133 DPRINTF(PS2, "Setting typematic info to %#02x.\n", data[1]);
134 sendAck();
135 return true;
136 }
115 case Enable:
116 DPRINTF(PS2, "Enabling the keyboard.\n");
117 enabled = true;
118 sendAck();
119 return true;
120 case Disable:
121 DPRINTF(PS2, "Disabling the keyboard.\n");
122 enabled = false;
123 sendAck();
124 return true;
125 case DefaultsAndDisable:
126 DPRINTF(PS2, "Disabling and resetting the keyboard.\n");
127 enabled = false;
128 sendAck();
129 return true;
130 case Reset:
131 DPRINTF(PS2, "Resetting keyboard.\n");
132 sendAck();
133 enabled = true;
134 send(Ps2::SelfTestPass);
135 return true;
136 case AllKeysToTypematic:
137 case Ps2::Keyboard::AllKeysToTypematic:
137 panic("Setting all keys to typemantic unimplemented.\n");
138 panic("Setting all keys to typemantic unimplemented.\n");
138 case AllKeysToMakeRelease:
139 case Ps2::Keyboard::AllKeysToMakeRelease:
139 panic("Setting all keys to make/release unimplemented.\n");
140 panic("Setting all keys to make/release unimplemented.\n");
140 case AllKeysToMake:
141 case Ps2::Keyboard::AllKeysToMake:
141 panic("Setting all keys to make unimplemented.\n");
142 panic("Setting all keys to make unimplemented.\n");
142 case AllKeysToTypematicMakeRelease:
143 case Ps2::Keyboard::AllKeysToTypematicMakeRelease:
143 panic("Setting all keys to "
144 "typematic/make/release unimplemented.\n");
144 panic("Setting all keys to "
145 "typematic/make/release unimplemented.\n");
145 case KeyToTypematic:
146 case Ps2::Keyboard::KeyToTypematic:
146 panic("Setting a key to typematic unimplemented.\n");
147 panic("Setting a key to typematic unimplemented.\n");
147 case KeyToMakeRelease:
148 case Ps2::Keyboard::KeyToMakeRelease:
148 panic("Setting a key to make/release unimplemented.\n");
149 panic("Setting a key to make/release unimplemented.\n");
149 case KeyToMakeOnly:
150 case Ps2::Keyboard::KeyToMakeOnly:
150 panic("Setting key to make only unimplemented.\n");
151 panic("Setting key to make only unimplemented.\n");
151 case Resend:
152 panic("Keyboard resend unimplemented.\n");
153 default:
154 panic("Unknown keyboard command %#02x.\n", data[0]);
155 }
156}
157
158void
159PS2Keyboard::keyPress(uint32_t key, bool down)
160{
161 std::list<uint8_t> keys;
162
163 // convert the X11 keysym into ps2 codes and update the shift
164 // state (shiftDown)
165 Ps2::keySymToPs2(key, down, shiftDown, keys);
166
167 // Drop key presses if the keyboard hasn't been enabled by the
168 // host. We do that after translating the key code to ensure that
169 // we keep track of the shift state.
170 if (!enabled)
171 return;
172
173 // Insert into our queue of characters
174 for (uint8_t c : keys)
175 send(c);
176}
177
178
179PS2Keyboard *
180PS2KeyboardParams::create()
181{
182 return new PS2Keyboard(this);
183}
152 default:
153 panic("Unknown keyboard command %#02x.\n", data[0]);
154 }
155}
156
157void
158PS2Keyboard::keyPress(uint32_t key, bool down)
159{
160 std::list<uint8_t> keys;
161
162 // convert the X11 keysym into ps2 codes and update the shift
163 // state (shiftDown)
164 Ps2::keySymToPs2(key, down, shiftDown, keys);
165
166 // Drop key presses if the keyboard hasn't been enabled by the
167 // host. We do that after translating the key code to ensure that
168 // we keep track of the shift state.
169 if (!enabled)
170 return;
171
172 // Insert into our queue of characters
173 for (uint8_t c : keys)
174 send(c);
175}
176
177
178PS2Keyboard *
179PS2KeyboardParams::create()
180{
181 return new PS2Keyboard(this);
182}