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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
|
/*
* Copyright © 1999 Keith Packard
* XKB integration © 2006 Nokia Corporation, author: Tomas Frydrych <tf@o-hand.com>
*
* LinuxKeyboardRead() XKB code based on xf86KbdLnx.c:
* Copyright © 1990,91 by Thomas Roell, Dinkelscherben, Germany.
* Copyright © 1994-2001 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "kdrive.h"
#include <linux/keyboard.h>
#include <linux/kd.h>
#define XK_PUBLISHING
#include <X11/keysym.h>
#include <termios.h>
#include <sys/ioctl.h>
extern int LinuxConsoleFd;
/*
* We need these to handle extended scancodes correctly (I could just use the
* numbers below, but this makes the code more readable
*/
/* The prefix codes */
#define KEY_Prefix0 /* special 0x60 */ 96
#define KEY_Prefix1 /* special 0x61 */ 97
/* The raw scancodes */
#define KEY_Enter /* Enter 0x1c */ 28
#define KEY_LCtrl /* Ctrl(left) 0x1d */ 29
#define KEY_Slash /* / (Slash) ? 0x35 */ 53
#define KEY_KP_Multiply /* * 0x37 */ 55
#define KEY_Alt /* Alt(left) 0x38 */ 56
#define KEY_F3 /* F3 0x3d */ 61
#define KEY_F4 /* F4 0x3e */ 62
#define KEY_F5 /* F5 0x3f */ 63
#define KEY_F6 /* F6 0x40 */ 64
#define KEY_F7 /* F7 0x41 */ 65
#define KEY_ScrollLock /* ScrollLock 0x46 */ 70
#define KEY_KP_7 /* 7 Home 0x47 */ 71
#define KEY_KP_8 /* 8 Up 0x48 */ 72
#define KEY_KP_9 /* 9 PgUp 0x49 */ 73
#define KEY_KP_Minus /* - (Minus) 0x4a */ 74
#define KEY_KP_4 /* 4 Left 0x4b */ 75
#define KEY_KP_5 /* 5 0x4c */ 76
#define KEY_KP_6 /* 6 Right 0x4d */ 77
#define KEY_KP_Plus /* + (Plus) 0x4e */ 78
#define KEY_KP_1 /* 1 End 0x4f */ 79
#define KEY_KP_2 /* 2 Down 0x50 */ 80
#define KEY_KP_3 /* 3 PgDown 0x51 */ 81
#define KEY_KP_0 /* 0 Insert 0x52 */ 82
#define KEY_KP_Decimal /* . (Decimal) Delete 0x53 */ 83
#define KEY_Home /* Home 0x59 */ 89
#define KEY_Up /* Up 0x5a */ 90
#define KEY_PgUp /* PgUp 0x5b */ 91
#define KEY_Left /* Left 0x5c */ 92
#define KEY_Begin /* Begin 0x5d */ 93
#define KEY_Right /* Right 0x5e */ 94
#define KEY_End /* End 0x5f */ 95
#define KEY_Down /* Down 0x60 */ 96
#define KEY_PgDown /* PgDown 0x61 */ 97
#define KEY_Insert /* Insert 0x62 */ 98
#define KEY_Delete /* Delete 0x63 */ 99
#define KEY_KP_Enter /* Enter 0x64 */ 100
#define KEY_RCtrl /* Ctrl(right) 0x65 */ 101
#define KEY_Pause /* Pause 0x66 */ 102
#define KEY_Print /* Print 0x67 */ 103
#define KEY_KP_Divide /* Divide 0x68 */ 104
#define KEY_AltLang /* AtlLang(right) 0x69 */ 105
#define KEY_Break /* Break 0x6a */ 106
#define KEY_LMeta /* Left Meta 0x6b */ 107
#define KEY_RMeta /* Right Meta 0x6c */ 108
#define KEY_Menu /* Menu 0x6d */ 109
#define KEY_F13 /* F13 0x6e */ 110
#define KEY_F14 /* F14 0x6f */ 111
#define KEY_F15 /* F15 0x70 */ 112
#define KEY_F16 /* F16 0x71 */ 113
#define KEY_F17 /* F17 0x72 */ 114
#define KEY_KP_DEC /* KP_DEC 0x73 */ 115
static void
LinuxKeyboardRead(int fd, void *closure)
{
unsigned char buf[256], *b;
int n;
unsigned char prefix = 0, scancode = 0;
while ((n = read(fd, buf, sizeof(buf))) > 0) {
b = buf;
while (n--) {
/*
* With xkb we use RAW mode for reading the console, which allows us
* process extended scancodes.
*
* See if this is a prefix extending the following keycode
*/
if (!prefix && ((b[0] & 0x7f) == KEY_Prefix0)) {
prefix = KEY_Prefix0;
/* swallow this up */
b++;
continue;
}
else if (!prefix && ((b[0] & 0x7f) == KEY_Prefix1)) {
prefix = KEY_Prefix1;
/* swallow this up */
b++;
continue;
}
scancode = b[0] & 0x7f;
switch (prefix) {
/* from xf86Events.c */
case KEY_Prefix0:
{
switch (scancode) {
case KEY_KP_7:
scancode = KEY_Home;
break; /* curs home */
case KEY_KP_8:
scancode = KEY_Up;
break; /* curs up */
case KEY_KP_9:
scancode = KEY_PgUp;
break; /* curs pgup */
case KEY_KP_4:
scancode = KEY_Left;
break; /* curs left */
case KEY_KP_5:
scancode = KEY_Begin;
break; /* curs begin */
case KEY_KP_6:
scancode = KEY_Right;
break; /* curs right */
case KEY_KP_1:
scancode = KEY_End;
break; /* curs end */
case KEY_KP_2:
scancode = KEY_Down;
break; /* curs down */
case KEY_KP_3:
scancode = KEY_PgDown;
break; /* curs pgdown */
case KEY_KP_0:
scancode = KEY_Insert;
break; /* curs insert */
case KEY_KP_Decimal:
scancode = KEY_Delete;
break; /* curs delete */
case KEY_Enter:
scancode = KEY_KP_Enter;
break; /* keypad enter */
case KEY_LCtrl:
scancode = KEY_RCtrl;
break; /* right ctrl */
case KEY_KP_Multiply:
scancode = KEY_Print;
break; /* print */
case KEY_Slash:
scancode = KEY_KP_Divide;
break; /* keyp divide */
case KEY_Alt:
scancode = KEY_AltLang;
break; /* right alt */
case KEY_ScrollLock:
scancode = KEY_Break;
break; /* curs break */
case 0x5b:
scancode = KEY_LMeta;
break;
case 0x5c:
scancode = KEY_RMeta;
break;
case 0x5d:
scancode = KEY_Menu;
break;
case KEY_F3:
scancode = KEY_F13;
break;
case KEY_F4:
scancode = KEY_F14;
break;
case KEY_F5:
scancode = KEY_F15;
break;
case KEY_F6:
scancode = KEY_F16;
break;
case KEY_F7:
scancode = KEY_F17;
break;
case KEY_KP_Plus:
scancode = KEY_KP_DEC;
break;
/* Ignore virtual shifts (E0 2A, E0 AA, E0 36, E0 B6) */
case 0x2A:
case 0x36:
b++;
prefix = 0;
continue;
default:
/*
* "Internet" keyboards are generating lots of new
* codes. Let them pass. There is little consistency
* between them, so don't bother with symbolic names at
* this level.
*/
scancode += 0x78;
}
break;
}
case KEY_Prefix1:
{
/* we do no handle these */
b++;
prefix = 0;
continue;
}
default: /* should not happen */
case 0: /* do nothing */
;
}
prefix = 0;
KdEnqueueKeyboardEvent(closure, scancode, b[0] & 0x80);
b++;
}
}
}
static int LinuxKbdTrans;
static struct termios LinuxTermios;
static Status
LinuxKeyboardEnable(KdKeyboardInfo * ki)
{
struct termios nTty;
unsigned char buf[256];
int n;
int fd;
if (!ki)
return !Success;
fd = LinuxConsoleFd;
ki->driverPrivate = (void *) (intptr_t) fd;
ioctl(fd, KDGKBMODE, &LinuxKbdTrans);
tcgetattr(fd, &LinuxTermios);
ioctl(fd, KDSKBMODE, K_RAW);
nTty = LinuxTermios;
nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
nTty.c_oflag = 0;
nTty.c_cflag = CREAD | CS8;
nTty.c_lflag = 0;
nTty.c_cc[VTIME] = 0;
nTty.c_cc[VMIN] = 1;
cfsetispeed(&nTty, 9600);
cfsetospeed(&nTty, 9600);
tcsetattr(fd, TCSANOW, &nTty);
/*
* Flush any pending keystrokes
*/
while ((n = read(fd, buf, sizeof(buf))) > 0);
KdRegisterFd(fd, LinuxKeyboardRead, ki);
return Success;
}
static void
LinuxKeyboardDisable(KdKeyboardInfo * ki)
{
int fd;
if (!ki)
return;
fd = (int) (intptr_t) ki->driverPrivate;
KdUnregisterFd(ki, fd, FALSE);
ioctl(fd, KDSKBMODE, LinuxKbdTrans);
tcsetattr(fd, TCSANOW, &LinuxTermios);
}
static Status
LinuxKeyboardInit(KdKeyboardInfo * ki)
{
if (!ki)
return !Success;
free(ki->path);
ki->path = strdup("console");
free(ki->name);
ki->name = strdup("Linux console keyboard");
return Success;
}
static void
LinuxKeyboardLeds(KdKeyboardInfo * ki, int leds)
{
if (!ki)
return;
ioctl((int) (intptr_t) ki->driverPrivate, KDSETLED, leds & 7);
}
KdKeyboardDriver LinuxKeyboardDriver = {
"keyboard",
.Init = LinuxKeyboardInit,
.Enable = LinuxKeyboardEnable,
.Leds = LinuxKeyboardLeds,
.Disable = LinuxKeyboardDisable,
};
|
