1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
| 1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
|
26 * $FreeBSD: head/sys/dev/atkbdc/atkbd.c 50477 1999-08-28 01:08:13Z peter $
| 26 * $FreeBSD: head/sys/dev/atkbdc/atkbd.c 54382 1999-12-10 04:31:33Z yokota $
|
27 */
28
29#include "atkbd.h"
30#include "opt_kbd.h"
31#include "opt_atkbd.h"
32
33#if NATKBD > 0
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/kernel.h>
38#include <sys/conf.h>
39#include <sys/bus.h>
40#include <sys/proc.h>
41#include <sys/tty.h>
42#include <sys/fcntl.h>
43#include <sys/malloc.h>
44
45#include <dev/kbd/kbdreg.h>
46#include <dev/kbd/atkbdreg.h>
47#include <dev/kbd/atkbdcreg.h>
48
49#include <isa/isareg.h>
50
51static timeout_t atkbd_timeout;
52
53int
54atkbd_probe_unit(int unit, int port, int irq, int flags)
55{
56 keyboard_switch_t *sw;
57 int args[2];
58 int error;
59
60 sw = kbd_get_switch(ATKBD_DRIVER_NAME);
61 if (sw == NULL)
62 return ENXIO;
63
64 args[0] = port;
65 args[1] = irq;
66 error = (*sw->probe)(unit, args, flags);
67 if (error)
68 return error;
69 return 0;
70}
71
72int
73atkbd_attach_unit(int unit, keyboard_t **kbd, int port, int irq, int flags)
74{
75 keyboard_switch_t *sw;
76 int args[2];
77 int error;
78
79 sw = kbd_get_switch(ATKBD_DRIVER_NAME);
80 if (sw == NULL)
81 return ENXIO;
82
83 /* reset, initialize and enable the device */
84 args[0] = port;
85 args[1] = irq;
86 *kbd = NULL;
87 error = (*sw->probe)(unit, args, flags);
88 if (error)
89 return error;
90 error = (*sw->init)(unit, kbd, args, flags);
91 if (error)
92 return error;
93 (*sw->enable)(*kbd);
94
95#ifdef KBD_INSTALL_CDEV
96 /* attach a virtual keyboard cdev */
97 error = kbd_attach(*kbd);
98 if (error)
99 return error;
100#endif
101
102 /*
103 * This is a kludge to compensate for lost keyboard interrupts.
104 * A similar code used to be in syscons. See below. XXX
105 */
106 atkbd_timeout(*kbd);
107
108 if (bootverbose)
109 (*sw->diag)(*kbd, bootverbose);
110 return 0;
111}
112
113static void
114atkbd_timeout(void *arg)
115{
116 keyboard_t *kbd;
117 int s;
118
119 /* The following comments are extracted from syscons.c (1.287) */
120 /*
121 * With release 2.1 of the Xaccel server, the keyboard is left
122 * hanging pretty often. Apparently an interrupt from the
123 * keyboard is lost, and I don't know why (yet).
124 * This ugly hack calls scintr if input is ready for the keyboard
125 * and conveniently hides the problem. XXX
126 */
127 /*
128 * Try removing anything stuck in the keyboard controller; whether
129 * it's a keyboard scan code or mouse data. `scintr()' doesn't
130 * read the mouse data directly, but `kbdio' routines will, as a
131 * side effect.
132 */
133 s = spltty();
134 kbd = (keyboard_t *)arg;
135 if ((*kbdsw[kbd->kb_index]->lock)(kbd, TRUE)) {
136 /*
137 * We have seen the lock flag is not set. Let's reset
138 * the flag early, otherwise the LED update routine fails
139 * which may want the lock during the interrupt routine.
140 */
141 (*kbdsw[kbd->kb_index]->lock)(kbd, FALSE);
142 if ((*kbdsw[kbd->kb_index]->check_char)(kbd))
143 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL);
144 }
145 splx(s);
146 timeout(atkbd_timeout, arg, hz/10);
147}
148
149/* cdev driver functions */
150
151
152/* LOW-LEVEL */
153
154#include <machine/limits.h>
155#include <machine/console.h>
156#include <machine/clock.h>
157
158#define ATKBD_DEFAULT 0
159
160typedef struct atkbd_state {
161 KBDC kbdc; /* keyboard controller */
162 /* XXX: don't move this field; pcvt
163 * expects `kbdc' to be the first
164 * field in this structure. */
165 int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
166 int ks_flags; /* flags */
167#define COMPOSE (1 << 0)
168 int ks_polling;
169 int ks_state; /* shift/lock key state */
170 int ks_accents; /* accent key index (> 0) */
171 u_int ks_composed_char; /* composed char code (> 0) */
172 u_char ks_prefix; /* AT scan code prefix */
173} atkbd_state_t;
174
175/* keyboard driver declaration */
176static int atkbd_configure(int flags);
177static kbd_probe_t atkbd_probe;
178static kbd_init_t atkbd_init;
179static kbd_term_t atkbd_term;
180static kbd_intr_t atkbd_intr;
181static kbd_test_if_t atkbd_test_if;
182static kbd_enable_t atkbd_enable;
183static kbd_disable_t atkbd_disable;
184static kbd_read_t atkbd_read;
185static kbd_check_t atkbd_check;
186static kbd_read_char_t atkbd_read_char;
187static kbd_check_char_t atkbd_check_char;
188static kbd_ioctl_t atkbd_ioctl;
189static kbd_lock_t atkbd_lock;
190static kbd_clear_state_t atkbd_clear_state;
191static kbd_get_state_t atkbd_get_state;
192static kbd_set_state_t atkbd_set_state;
193static kbd_poll_mode_t atkbd_poll;
194
195keyboard_switch_t atkbdsw = {
196 atkbd_probe,
197 atkbd_init,
198 atkbd_term,
199 atkbd_intr,
200 atkbd_test_if,
201 atkbd_enable,
202 atkbd_disable,
203 atkbd_read,
204 atkbd_check,
205 atkbd_read_char,
206 atkbd_check_char,
207 atkbd_ioctl,
208 atkbd_lock,
209 atkbd_clear_state,
210 atkbd_get_state,
211 atkbd_set_state,
212 genkbd_get_fkeystr,
213 atkbd_poll,
214 genkbd_diag,
215};
216
217KEYBOARD_DRIVER(atkbd, atkbdsw, atkbd_configure);
218
219/* local functions */
220static int setup_kbd_port(KBDC kbdc, int port, int intr);
221static int get_kbd_echo(KBDC kbdc);
222static int probe_keyboard(KBDC kbdc, int flags);
223static int init_keyboard(KBDC kbdc, int *type, int flags);
224static int write_kbd(KBDC kbdc, int command, int data);
225static int get_kbd_id(KBDC kbdc);
226static int typematic(int delay, int rate);
227
228/* local variables */
229
230/* the initial key map, accent map and fkey strings */
231#ifdef ATKBD_DFLT_KEYMAP
232#define KBD_DFLT_KEYMAP
233#include "atkbdmap.h"
234#endif
235#include <dev/kbd/kbdtables.h>
236
237/* structures for the default keyboard */
238static keyboard_t default_kbd;
239static atkbd_state_t default_kbd_state;
240static keymap_t default_keymap;
241static accentmap_t default_accentmap;
242static fkeytab_t default_fkeytab[NUM_FKEYS];
243
244/*
245 * The back door to the keyboard driver!
246 * This function is called by the console driver, via the kbdio module,
247 * to tickle keyboard drivers when the low-level console is being initialized.
248 * Almost nothing in the kernel has been initialied yet. Try to probe
249 * keyboards if possible.
250 * NOTE: because of the way the low-level conole is initialized, this routine
251 * may be called more than once!!
252 */
253static int
254atkbd_configure(int flags)
255{
256 keyboard_t *kbd;
257 int arg[2];
258 int i;
259
260 /* probe the keyboard controller */
261 atkbdc_configure();
262
263 /* if the driver is disabled, unregister the keyboard if any */
264 if ((resource_int_value("atkbd", ATKBD_DEFAULT, "disabled", &i) == 0)
265 && i != 0) {
266 i = kbd_find_keyboard(ATKBD_DRIVER_NAME, ATKBD_DEFAULT);
267 if (i >= 0) {
268 kbd = kbd_get_keyboard(i);
269 kbd_unregister(kbd);
270 kbd->kb_flags &= ~KB_REGISTERED;
271 }
272 return 0;
273 }
274
275 /* XXX: a kludge to obtain the device configuration flags */
276 if (resource_int_value("atkbd", ATKBD_DEFAULT, "flags", &i) == 0)
277 flags |= i;
278
279 /* probe the default keyboard */
280 arg[0] = -1;
281 arg[1] = -1;
282 kbd = NULL;
283 if (atkbd_probe(ATKBD_DEFAULT, arg, flags))
284 return 0;
285 if (atkbd_init(ATKBD_DEFAULT, &kbd, arg, flags))
286 return 0;
287
288 /* return the number of found keyboards */
289 return 1;
290}
291
292/* low-level functions */
293
294/* detect a keyboard */
295static int
296atkbd_probe(int unit, void *arg, int flags)
297{
298 KBDC kbdc;
299 int *data = (int *)arg;
300
301 /* XXX */
302 if (unit == ATKBD_DEFAULT) {
303 if (KBD_IS_PROBED(&default_kbd))
304 return 0;
305 }
306
307 kbdc = kbdc_open(data[0]);
308 if (kbdc == NULL)
309 return ENXIO;
310 if (probe_keyboard(kbdc, flags)) {
311 if (flags & KB_CONF_FAIL_IF_NO_KBD)
312 return ENXIO;
313 }
314 return 0;
315}
316
317/* reset and initialize the device */
318static int
319atkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
320{
321 keyboard_t *kbd;
322 atkbd_state_t *state;
323 keymap_t *keymap;
324 accentmap_t *accmap;
325 fkeytab_t *fkeymap;
326 int fkeymap_size;
327 int *data = (int *)arg;
328
329 /* XXX */
330 if (unit == ATKBD_DEFAULT) {
331 *kbdp = kbd = &default_kbd;
332 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd))
333 return 0;
334 state = &default_kbd_state;
335 keymap = &default_keymap;
336 accmap = &default_accentmap;
337 fkeymap = default_fkeytab;
338 fkeymap_size =
339 sizeof(default_fkeytab)/sizeof(default_fkeytab[0]);
340 } else if (*kbdp == NULL) {
341 *kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_NOWAIT);
342 if (kbd == NULL)
343 return ENOMEM;
344 bzero(kbd, sizeof(*kbd));
345 state = malloc(sizeof(*state), M_DEVBUF, M_NOWAIT);
346 keymap = malloc(sizeof(key_map), M_DEVBUF, M_NOWAIT);
347 accmap = malloc(sizeof(accent_map), M_DEVBUF, M_NOWAIT);
348 fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_NOWAIT);
349 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
350 if ((state == NULL) || (keymap == NULL) || (accmap == NULL)
351 || (fkeymap == NULL)) {
352 if (state != NULL)
353 free(state, M_DEVBUF);
354 if (keymap != NULL)
355 free(keymap, M_DEVBUF);
356 if (accmap != NULL)
357 free(accmap, M_DEVBUF);
358 if (fkeymap != NULL)
359 free(fkeymap, M_DEVBUF);
360 free(kbd, M_DEVBUF);
361 return ENOMEM;
362 }
363 bzero(state, sizeof(*state));
364 } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) {
365 return 0;
366 } else {
367 kbd = *kbdp;
368 state = (atkbd_state_t *)kbd->kb_data;
369 bzero(state, sizeof(*state));
370 keymap = kbd->kb_keymap;
371 accmap = kbd->kb_accentmap;
372 fkeymap = kbd->kb_fkeytab;
373 fkeymap_size = kbd->kb_fkeytab_size;
374 }
375
376 if (!KBD_IS_PROBED(kbd)) {
377 state->kbdc = kbdc_open(data[0]);
378 if (state->kbdc == NULL)
379 return ENXIO;
380 kbd_init_struct(kbd, ATKBD_DRIVER_NAME, KB_OTHER, unit, flags,
381 data[0], IO_KBDSIZE);
382 bcopy(&key_map, keymap, sizeof(key_map));
383 bcopy(&accent_map, accmap, sizeof(accent_map));
384 bcopy(fkey_tab, fkeymap,
385 imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
386 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
387 kbd->kb_data = (void *)state;
388
389 if (probe_keyboard(state->kbdc, flags)) { /* shouldn't happen */
390 if (flags & KB_CONF_FAIL_IF_NO_KBD)
391 return ENXIO;
392 } else {
393 KBD_FOUND_DEVICE(kbd);
394 }
395 atkbd_clear_state(kbd);
396 state->ks_mode = K_XLATE;
397 /*
398 * FIXME: set the initial value for lock keys in ks_state
399 * according to the BIOS data?
400 */
401 KBD_PROBE_DONE(kbd);
402 }
403 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
404 kbd->kb_config = flags & ~KB_CONF_PROBE_ONLY;
405 if (KBD_HAS_DEVICE(kbd)
406 && init_keyboard(state->kbdc, &kbd->kb_type, kbd->kb_config)
407 && (kbd->kb_config & KB_CONF_FAIL_IF_NO_KBD))
408 return ENXIO;
409 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state);
410 KBD_INIT_DONE(kbd);
411 }
412 if (!KBD_IS_CONFIGURED(kbd)) {
413 if (kbd_register(kbd) < 0)
414 return ENXIO;
415 KBD_CONFIG_DONE(kbd);
416 }
417
418 return 0;
419}
420
421/* finish using this keyboard */
422static int
423atkbd_term(keyboard_t *kbd)
424{
425 kbd_unregister(kbd);
426 return 0;
427}
428
429/* keyboard interrupt routine */
430static int
431atkbd_intr(keyboard_t *kbd, void *arg)
432{
433 atkbd_state_t *state;
434 int c;
435
436 if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) {
437 /* let the callback function to process the input */
438 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT,
439 kbd->kb_callback.kc_arg);
440 } else {
441 /* read and discard the input; no one is waiting for input */
442 do {
443 c = atkbd_read_char(kbd, FALSE);
444 } while (c != NOKEY);
445
446 if (!KBD_HAS_DEVICE(kbd)) {
447 /*
448 * The keyboard was not detected before;
449 * it must have been reconnected!
450 */
451 state = (atkbd_state_t *)kbd->kb_data;
452 init_keyboard(state->kbdc, &kbd->kb_type,
453 kbd->kb_config);
454 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state);
455 KBD_FOUND_DEVICE(kbd);
456 }
457 }
458 return 0;
459}
460
461/* test the interface to the device */
462static int
463atkbd_test_if(keyboard_t *kbd)
464{
465 int error;
466 int s;
467
468 error = 0;
469 empty_both_buffers(((atkbd_state_t *)kbd->kb_data)->kbdc, 10);
470 s = spltty();
471 if (!test_controller(((atkbd_state_t *)kbd->kb_data)->kbdc))
472 error = EIO;
473 else if (test_kbd_port(((atkbd_state_t *)kbd->kb_data)->kbdc) != 0)
474 error = EIO;
475 splx(s);
476
477 return error;
478}
479
480/*
481 * Enable the access to the device; until this function is called,
482 * the client cannot read from the keyboard.
483 */
484static int
485atkbd_enable(keyboard_t *kbd)
486{
487 int s;
488
489 s = spltty();
490 KBD_ACTIVATE(kbd);
491 splx(s);
492 return 0;
493}
494
495/* disallow the access to the device */
496static int
497atkbd_disable(keyboard_t *kbd)
498{
499 int s;
500
501 s = spltty();
502 KBD_DEACTIVATE(kbd);
503 splx(s);
504 return 0;
505}
506
507/* read one byte from the keyboard if it's allowed */
508static int
509atkbd_read(keyboard_t *kbd, int wait)
510{
511 int c;
512
513 if (wait)
514 c = read_kbd_data(((atkbd_state_t *)kbd->kb_data)->kbdc);
515 else
516 c = read_kbd_data_no_wait(((atkbd_state_t *)kbd->kb_data)->kbdc);
| 27 */
28
29#include "atkbd.h"
30#include "opt_kbd.h"
31#include "opt_atkbd.h"
32
33#if NATKBD > 0
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/kernel.h>
38#include <sys/conf.h>
39#include <sys/bus.h>
40#include <sys/proc.h>
41#include <sys/tty.h>
42#include <sys/fcntl.h>
43#include <sys/malloc.h>
44
45#include <dev/kbd/kbdreg.h>
46#include <dev/kbd/atkbdreg.h>
47#include <dev/kbd/atkbdcreg.h>
48
49#include <isa/isareg.h>
50
51static timeout_t atkbd_timeout;
52
53int
54atkbd_probe_unit(int unit, int port, int irq, int flags)
55{
56 keyboard_switch_t *sw;
57 int args[2];
58 int error;
59
60 sw = kbd_get_switch(ATKBD_DRIVER_NAME);
61 if (sw == NULL)
62 return ENXIO;
63
64 args[0] = port;
65 args[1] = irq;
66 error = (*sw->probe)(unit, args, flags);
67 if (error)
68 return error;
69 return 0;
70}
71
72int
73atkbd_attach_unit(int unit, keyboard_t **kbd, int port, int irq, int flags)
74{
75 keyboard_switch_t *sw;
76 int args[2];
77 int error;
78
79 sw = kbd_get_switch(ATKBD_DRIVER_NAME);
80 if (sw == NULL)
81 return ENXIO;
82
83 /* reset, initialize and enable the device */
84 args[0] = port;
85 args[1] = irq;
86 *kbd = NULL;
87 error = (*sw->probe)(unit, args, flags);
88 if (error)
89 return error;
90 error = (*sw->init)(unit, kbd, args, flags);
91 if (error)
92 return error;
93 (*sw->enable)(*kbd);
94
95#ifdef KBD_INSTALL_CDEV
96 /* attach a virtual keyboard cdev */
97 error = kbd_attach(*kbd);
98 if (error)
99 return error;
100#endif
101
102 /*
103 * This is a kludge to compensate for lost keyboard interrupts.
104 * A similar code used to be in syscons. See below. XXX
105 */
106 atkbd_timeout(*kbd);
107
108 if (bootverbose)
109 (*sw->diag)(*kbd, bootverbose);
110 return 0;
111}
112
113static void
114atkbd_timeout(void *arg)
115{
116 keyboard_t *kbd;
117 int s;
118
119 /* The following comments are extracted from syscons.c (1.287) */
120 /*
121 * With release 2.1 of the Xaccel server, the keyboard is left
122 * hanging pretty often. Apparently an interrupt from the
123 * keyboard is lost, and I don't know why (yet).
124 * This ugly hack calls scintr if input is ready for the keyboard
125 * and conveniently hides the problem. XXX
126 */
127 /*
128 * Try removing anything stuck in the keyboard controller; whether
129 * it's a keyboard scan code or mouse data. `scintr()' doesn't
130 * read the mouse data directly, but `kbdio' routines will, as a
131 * side effect.
132 */
133 s = spltty();
134 kbd = (keyboard_t *)arg;
135 if ((*kbdsw[kbd->kb_index]->lock)(kbd, TRUE)) {
136 /*
137 * We have seen the lock flag is not set. Let's reset
138 * the flag early, otherwise the LED update routine fails
139 * which may want the lock during the interrupt routine.
140 */
141 (*kbdsw[kbd->kb_index]->lock)(kbd, FALSE);
142 if ((*kbdsw[kbd->kb_index]->check_char)(kbd))
143 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL);
144 }
145 splx(s);
146 timeout(atkbd_timeout, arg, hz/10);
147}
148
149/* cdev driver functions */
150
151
152/* LOW-LEVEL */
153
154#include <machine/limits.h>
155#include <machine/console.h>
156#include <machine/clock.h>
157
158#define ATKBD_DEFAULT 0
159
160typedef struct atkbd_state {
161 KBDC kbdc; /* keyboard controller */
162 /* XXX: don't move this field; pcvt
163 * expects `kbdc' to be the first
164 * field in this structure. */
165 int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
166 int ks_flags; /* flags */
167#define COMPOSE (1 << 0)
168 int ks_polling;
169 int ks_state; /* shift/lock key state */
170 int ks_accents; /* accent key index (> 0) */
171 u_int ks_composed_char; /* composed char code (> 0) */
172 u_char ks_prefix; /* AT scan code prefix */
173} atkbd_state_t;
174
175/* keyboard driver declaration */
176static int atkbd_configure(int flags);
177static kbd_probe_t atkbd_probe;
178static kbd_init_t atkbd_init;
179static kbd_term_t atkbd_term;
180static kbd_intr_t atkbd_intr;
181static kbd_test_if_t atkbd_test_if;
182static kbd_enable_t atkbd_enable;
183static kbd_disable_t atkbd_disable;
184static kbd_read_t atkbd_read;
185static kbd_check_t atkbd_check;
186static kbd_read_char_t atkbd_read_char;
187static kbd_check_char_t atkbd_check_char;
188static kbd_ioctl_t atkbd_ioctl;
189static kbd_lock_t atkbd_lock;
190static kbd_clear_state_t atkbd_clear_state;
191static kbd_get_state_t atkbd_get_state;
192static kbd_set_state_t atkbd_set_state;
193static kbd_poll_mode_t atkbd_poll;
194
195keyboard_switch_t atkbdsw = {
196 atkbd_probe,
197 atkbd_init,
198 atkbd_term,
199 atkbd_intr,
200 atkbd_test_if,
201 atkbd_enable,
202 atkbd_disable,
203 atkbd_read,
204 atkbd_check,
205 atkbd_read_char,
206 atkbd_check_char,
207 atkbd_ioctl,
208 atkbd_lock,
209 atkbd_clear_state,
210 atkbd_get_state,
211 atkbd_set_state,
212 genkbd_get_fkeystr,
213 atkbd_poll,
214 genkbd_diag,
215};
216
217KEYBOARD_DRIVER(atkbd, atkbdsw, atkbd_configure);
218
219/* local functions */
220static int setup_kbd_port(KBDC kbdc, int port, int intr);
221static int get_kbd_echo(KBDC kbdc);
222static int probe_keyboard(KBDC kbdc, int flags);
223static int init_keyboard(KBDC kbdc, int *type, int flags);
224static int write_kbd(KBDC kbdc, int command, int data);
225static int get_kbd_id(KBDC kbdc);
226static int typematic(int delay, int rate);
227
228/* local variables */
229
230/* the initial key map, accent map and fkey strings */
231#ifdef ATKBD_DFLT_KEYMAP
232#define KBD_DFLT_KEYMAP
233#include "atkbdmap.h"
234#endif
235#include <dev/kbd/kbdtables.h>
236
237/* structures for the default keyboard */
238static keyboard_t default_kbd;
239static atkbd_state_t default_kbd_state;
240static keymap_t default_keymap;
241static accentmap_t default_accentmap;
242static fkeytab_t default_fkeytab[NUM_FKEYS];
243
244/*
245 * The back door to the keyboard driver!
246 * This function is called by the console driver, via the kbdio module,
247 * to tickle keyboard drivers when the low-level console is being initialized.
248 * Almost nothing in the kernel has been initialied yet. Try to probe
249 * keyboards if possible.
250 * NOTE: because of the way the low-level conole is initialized, this routine
251 * may be called more than once!!
252 */
253static int
254atkbd_configure(int flags)
255{
256 keyboard_t *kbd;
257 int arg[2];
258 int i;
259
260 /* probe the keyboard controller */
261 atkbdc_configure();
262
263 /* if the driver is disabled, unregister the keyboard if any */
264 if ((resource_int_value("atkbd", ATKBD_DEFAULT, "disabled", &i) == 0)
265 && i != 0) {
266 i = kbd_find_keyboard(ATKBD_DRIVER_NAME, ATKBD_DEFAULT);
267 if (i >= 0) {
268 kbd = kbd_get_keyboard(i);
269 kbd_unregister(kbd);
270 kbd->kb_flags &= ~KB_REGISTERED;
271 }
272 return 0;
273 }
274
275 /* XXX: a kludge to obtain the device configuration flags */
276 if (resource_int_value("atkbd", ATKBD_DEFAULT, "flags", &i) == 0)
277 flags |= i;
278
279 /* probe the default keyboard */
280 arg[0] = -1;
281 arg[1] = -1;
282 kbd = NULL;
283 if (atkbd_probe(ATKBD_DEFAULT, arg, flags))
284 return 0;
285 if (atkbd_init(ATKBD_DEFAULT, &kbd, arg, flags))
286 return 0;
287
288 /* return the number of found keyboards */
289 return 1;
290}
291
292/* low-level functions */
293
294/* detect a keyboard */
295static int
296atkbd_probe(int unit, void *arg, int flags)
297{
298 KBDC kbdc;
299 int *data = (int *)arg;
300
301 /* XXX */
302 if (unit == ATKBD_DEFAULT) {
303 if (KBD_IS_PROBED(&default_kbd))
304 return 0;
305 }
306
307 kbdc = kbdc_open(data[0]);
308 if (kbdc == NULL)
309 return ENXIO;
310 if (probe_keyboard(kbdc, flags)) {
311 if (flags & KB_CONF_FAIL_IF_NO_KBD)
312 return ENXIO;
313 }
314 return 0;
315}
316
317/* reset and initialize the device */
318static int
319atkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
320{
321 keyboard_t *kbd;
322 atkbd_state_t *state;
323 keymap_t *keymap;
324 accentmap_t *accmap;
325 fkeytab_t *fkeymap;
326 int fkeymap_size;
327 int *data = (int *)arg;
328
329 /* XXX */
330 if (unit == ATKBD_DEFAULT) {
331 *kbdp = kbd = &default_kbd;
332 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd))
333 return 0;
334 state = &default_kbd_state;
335 keymap = &default_keymap;
336 accmap = &default_accentmap;
337 fkeymap = default_fkeytab;
338 fkeymap_size =
339 sizeof(default_fkeytab)/sizeof(default_fkeytab[0]);
340 } else if (*kbdp == NULL) {
341 *kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_NOWAIT);
342 if (kbd == NULL)
343 return ENOMEM;
344 bzero(kbd, sizeof(*kbd));
345 state = malloc(sizeof(*state), M_DEVBUF, M_NOWAIT);
346 keymap = malloc(sizeof(key_map), M_DEVBUF, M_NOWAIT);
347 accmap = malloc(sizeof(accent_map), M_DEVBUF, M_NOWAIT);
348 fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_NOWAIT);
349 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
350 if ((state == NULL) || (keymap == NULL) || (accmap == NULL)
351 || (fkeymap == NULL)) {
352 if (state != NULL)
353 free(state, M_DEVBUF);
354 if (keymap != NULL)
355 free(keymap, M_DEVBUF);
356 if (accmap != NULL)
357 free(accmap, M_DEVBUF);
358 if (fkeymap != NULL)
359 free(fkeymap, M_DEVBUF);
360 free(kbd, M_DEVBUF);
361 return ENOMEM;
362 }
363 bzero(state, sizeof(*state));
364 } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) {
365 return 0;
366 } else {
367 kbd = *kbdp;
368 state = (atkbd_state_t *)kbd->kb_data;
369 bzero(state, sizeof(*state));
370 keymap = kbd->kb_keymap;
371 accmap = kbd->kb_accentmap;
372 fkeymap = kbd->kb_fkeytab;
373 fkeymap_size = kbd->kb_fkeytab_size;
374 }
375
376 if (!KBD_IS_PROBED(kbd)) {
377 state->kbdc = kbdc_open(data[0]);
378 if (state->kbdc == NULL)
379 return ENXIO;
380 kbd_init_struct(kbd, ATKBD_DRIVER_NAME, KB_OTHER, unit, flags,
381 data[0], IO_KBDSIZE);
382 bcopy(&key_map, keymap, sizeof(key_map));
383 bcopy(&accent_map, accmap, sizeof(accent_map));
384 bcopy(fkey_tab, fkeymap,
385 imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
386 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
387 kbd->kb_data = (void *)state;
388
389 if (probe_keyboard(state->kbdc, flags)) { /* shouldn't happen */
390 if (flags & KB_CONF_FAIL_IF_NO_KBD)
391 return ENXIO;
392 } else {
393 KBD_FOUND_DEVICE(kbd);
394 }
395 atkbd_clear_state(kbd);
396 state->ks_mode = K_XLATE;
397 /*
398 * FIXME: set the initial value for lock keys in ks_state
399 * according to the BIOS data?
400 */
401 KBD_PROBE_DONE(kbd);
402 }
403 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
404 kbd->kb_config = flags & ~KB_CONF_PROBE_ONLY;
405 if (KBD_HAS_DEVICE(kbd)
406 && init_keyboard(state->kbdc, &kbd->kb_type, kbd->kb_config)
407 && (kbd->kb_config & KB_CONF_FAIL_IF_NO_KBD))
408 return ENXIO;
409 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state);
410 KBD_INIT_DONE(kbd);
411 }
412 if (!KBD_IS_CONFIGURED(kbd)) {
413 if (kbd_register(kbd) < 0)
414 return ENXIO;
415 KBD_CONFIG_DONE(kbd);
416 }
417
418 return 0;
419}
420
421/* finish using this keyboard */
422static int
423atkbd_term(keyboard_t *kbd)
424{
425 kbd_unregister(kbd);
426 return 0;
427}
428
429/* keyboard interrupt routine */
430static int
431atkbd_intr(keyboard_t *kbd, void *arg)
432{
433 atkbd_state_t *state;
434 int c;
435
436 if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) {
437 /* let the callback function to process the input */
438 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT,
439 kbd->kb_callback.kc_arg);
440 } else {
441 /* read and discard the input; no one is waiting for input */
442 do {
443 c = atkbd_read_char(kbd, FALSE);
444 } while (c != NOKEY);
445
446 if (!KBD_HAS_DEVICE(kbd)) {
447 /*
448 * The keyboard was not detected before;
449 * it must have been reconnected!
450 */
451 state = (atkbd_state_t *)kbd->kb_data;
452 init_keyboard(state->kbdc, &kbd->kb_type,
453 kbd->kb_config);
454 atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state);
455 KBD_FOUND_DEVICE(kbd);
456 }
457 }
458 return 0;
459}
460
461/* test the interface to the device */
462static int
463atkbd_test_if(keyboard_t *kbd)
464{
465 int error;
466 int s;
467
468 error = 0;
469 empty_both_buffers(((atkbd_state_t *)kbd->kb_data)->kbdc, 10);
470 s = spltty();
471 if (!test_controller(((atkbd_state_t *)kbd->kb_data)->kbdc))
472 error = EIO;
473 else if (test_kbd_port(((atkbd_state_t *)kbd->kb_data)->kbdc) != 0)
474 error = EIO;
475 splx(s);
476
477 return error;
478}
479
480/*
481 * Enable the access to the device; until this function is called,
482 * the client cannot read from the keyboard.
483 */
484static int
485atkbd_enable(keyboard_t *kbd)
486{
487 int s;
488
489 s = spltty();
490 KBD_ACTIVATE(kbd);
491 splx(s);
492 return 0;
493}
494
495/* disallow the access to the device */
496static int
497atkbd_disable(keyboard_t *kbd)
498{
499 int s;
500
501 s = spltty();
502 KBD_DEACTIVATE(kbd);
503 splx(s);
504 return 0;
505}
506
507/* read one byte from the keyboard if it's allowed */
508static int
509atkbd_read(keyboard_t *kbd, int wait)
510{
511 int c;
512
513 if (wait)
514 c = read_kbd_data(((atkbd_state_t *)kbd->kb_data)->kbdc);
515 else
516 c = read_kbd_data_no_wait(((atkbd_state_t *)kbd->kb_data)->kbdc);
|
| 517 if (c != -1)
518 ++kbd->kb_count;
|
517 return (KBD_IS_ACTIVE(kbd) ? c : -1);
518}
519
520/* check if data is waiting */
521static int
522atkbd_check(keyboard_t *kbd)
523{
524 if (!KBD_IS_ACTIVE(kbd))
525 return FALSE;
526 return kbdc_data_ready(((atkbd_state_t *)kbd->kb_data)->kbdc);
527}
528
529/* read char from the keyboard */
530static u_int
531atkbd_read_char(keyboard_t *kbd, int wait)
532{
533 atkbd_state_t *state;
534 u_int action;
535 int scancode;
536 int keycode;
537
538 state = (atkbd_state_t *)kbd->kb_data;
539next_code:
540 /* do we have a composed char to return? */
541 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
542 action = state->ks_composed_char;
543 state->ks_composed_char = 0;
544 if (action > UCHAR_MAX)
545 return ERRKEY;
546 return action;
547 }
548
549 /* see if there is something in the keyboard port */
550 if (wait) {
551 do {
552 scancode = read_kbd_data(state->kbdc);
553 } while (scancode == -1);
554 } else {
555 scancode = read_kbd_data_no_wait(state->kbdc);
556 if (scancode == -1)
557 return NOKEY;
558 }
| 519 return (KBD_IS_ACTIVE(kbd) ? c : -1);
520}
521
522/* check if data is waiting */
523static int
524atkbd_check(keyboard_t *kbd)
525{
526 if (!KBD_IS_ACTIVE(kbd))
527 return FALSE;
528 return kbdc_data_ready(((atkbd_state_t *)kbd->kb_data)->kbdc);
529}
530
531/* read char from the keyboard */
532static u_int
533atkbd_read_char(keyboard_t *kbd, int wait)
534{
535 atkbd_state_t *state;
536 u_int action;
537 int scancode;
538 int keycode;
539
540 state = (atkbd_state_t *)kbd->kb_data;
541next_code:
542 /* do we have a composed char to return? */
543 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
544 action = state->ks_composed_char;
545 state->ks_composed_char = 0;
546 if (action > UCHAR_MAX)
547 return ERRKEY;
548 return action;
549 }
550
551 /* see if there is something in the keyboard port */
552 if (wait) {
553 do {
554 scancode = read_kbd_data(state->kbdc);
555 } while (scancode == -1);
556 } else {
557 scancode = read_kbd_data_no_wait(state->kbdc);
558 if (scancode == -1)
559 return NOKEY;
560 }
|
| 561 ++kbd->kb_count;
|
559
| 562
|
| 563#if KBDIO_DEBUG >= 10
564 printf("atkbd_read_char(): scancode:0x%x\n", scancode);
565#endif
566
|
560 /* return the byte as is for the K_RAW mode */
561 if (state->ks_mode == K_RAW)
562 return scancode;
563
564 /* translate the scan code into a keycode */
565 keycode = scancode & 0x7F;
566 switch (state->ks_prefix) {
567 case 0x00: /* normal scancode */
568 switch(scancode) {
569 case 0xB8: /* left alt (compose key) released */
570 if (state->ks_flags & COMPOSE) {
571 state->ks_flags &= ~COMPOSE;
572 if (state->ks_composed_char > UCHAR_MAX)
573 state->ks_composed_char = 0;
574 }
575 break;
576 case 0x38: /* left alt (compose key) pressed */
577 if (!(state->ks_flags & COMPOSE)) {
578 state->ks_flags |= COMPOSE;
579 state->ks_composed_char = 0;
580 }
581 break;
582 case 0xE0:
583 case 0xE1:
584 state->ks_prefix = scancode;
585 goto next_code;
586 }
587 break;
588 case 0xE0: /* 0xE0 prefix */
589 state->ks_prefix = 0;
590 switch (keycode) {
591 case 0x1C: /* right enter key */
592 keycode = 0x59;
593 break;
594 case 0x1D: /* right ctrl key */
595 keycode = 0x5A;
596 break;
597 case 0x35: /* keypad divide key */
598 keycode = 0x5B;
599 break;
600 case 0x37: /* print scrn key */
601 keycode = 0x5C;
602 break;
603 case 0x38: /* right alt key (alt gr) */
604 keycode = 0x5D;
605 break;
606 case 0x46: /* ctrl-pause/break on AT 101 (see below) */
607 keycode = 0x68;
608 break;
609 case 0x47: /* grey home key */
610 keycode = 0x5E;
611 break;
612 case 0x48: /* grey up arrow key */
613 keycode = 0x5F;
614 break;
615 case 0x49: /* grey page up key */
616 keycode = 0x60;
617 break;
618 case 0x4B: /* grey left arrow key */
619 keycode = 0x61;
620 break;
621 case 0x4D: /* grey right arrow key */
622 keycode = 0x62;
623 break;
624 case 0x4F: /* grey end key */
625 keycode = 0x63;
626 break;
627 case 0x50: /* grey down arrow key */
628 keycode = 0x64;
629 break;
630 case 0x51: /* grey page down key */
631 keycode = 0x65;
632 break;
633 case 0x52: /* grey insert key */
634 keycode = 0x66;
635 break;
636 case 0x53: /* grey delete key */
637 keycode = 0x67;
638 break;
639 /* the following 3 are only used on the MS "Natural" keyboard */
640 case 0x5b: /* left Window key */
641 keycode = 0x69;
642 break;
643 case 0x5c: /* right Window key */
644 keycode = 0x6a;
645 break;
646 case 0x5d: /* menu key */
647 keycode = 0x6b;
648 break;
649 default: /* ignore everything else */
650 goto next_code;
651 }
652 break;
653 case 0xE1: /* 0xE1 prefix */
654 /*
655 * The pause/break key on the 101 keyboard produces:
656 * E1-1D-45 E1-9D-C5
657 * Ctrl-pause/break produces:
658 * E0-46 E0-C6 (See above.)
659 */
660 state->ks_prefix = 0;
661 if (keycode == 0x1D)
662 state->ks_prefix = 0x1D;
663 goto next_code;
664 /* NOT REACHED */
665 case 0x1D: /* pause / break */
666 state->ks_prefix = 0;
667 if (keycode != 0x45)
668 goto next_code;
669 keycode = 0x68;
670 break;
671 }
672
673 if (kbd->kb_type == KB_84) {
674 switch (keycode) {
675 case 0x37: /* *(numpad)/print screen */
676 if (state->ks_flags & SHIFTS)
677 keycode = 0x5c; /* print screen */
678 break;
679 case 0x45: /* num lock/pause */
680 if (state->ks_flags & CTLS)
681 keycode = 0x68; /* pause */
682 break;
683 case 0x46: /* scroll lock/break */
684 if (state->ks_flags & CTLS)
685 keycode = 0x6c; /* break */
686 break;
687 }
688 } else if (kbd->kb_type == KB_101) {
689 switch (keycode) {
690 case 0x5c: /* print screen */
691 if (state->ks_flags & ALTS)
692 keycode = 0x54; /* sysrq */
693 break;
694 case 0x68: /* pause/break */
695 if (state->ks_flags & CTLS)
696 keycode = 0x6c; /* break */
697 break;
698 }
699 }
700
701 /* return the key code in the K_CODE mode */
702 if (state->ks_mode == K_CODE)
703 return (keycode | (scancode & 0x80));
704
705 /* compose a character code */
706 if (state->ks_flags & COMPOSE) {
707 switch (keycode | (scancode & 0x80)) {
708 /* key pressed, process it */
709 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
710 state->ks_composed_char *= 10;
711 state->ks_composed_char += keycode - 0x40;
| 567 /* return the byte as is for the K_RAW mode */
568 if (state->ks_mode == K_RAW)
569 return scancode;
570
571 /* translate the scan code into a keycode */
572 keycode = scancode & 0x7F;
573 switch (state->ks_prefix) {
574 case 0x00: /* normal scancode */
575 switch(scancode) {
576 case 0xB8: /* left alt (compose key) released */
577 if (state->ks_flags & COMPOSE) {
578 state->ks_flags &= ~COMPOSE;
579 if (state->ks_composed_char > UCHAR_MAX)
580 state->ks_composed_char = 0;
581 }
582 break;
583 case 0x38: /* left alt (compose key) pressed */
584 if (!(state->ks_flags & COMPOSE)) {
585 state->ks_flags |= COMPOSE;
586 state->ks_composed_char = 0;
587 }
588 break;
589 case 0xE0:
590 case 0xE1:
591 state->ks_prefix = scancode;
592 goto next_code;
593 }
594 break;
595 case 0xE0: /* 0xE0 prefix */
596 state->ks_prefix = 0;
597 switch (keycode) {
598 case 0x1C: /* right enter key */
599 keycode = 0x59;
600 break;
601 case 0x1D: /* right ctrl key */
602 keycode = 0x5A;
603 break;
604 case 0x35: /* keypad divide key */
605 keycode = 0x5B;
606 break;
607 case 0x37: /* print scrn key */
608 keycode = 0x5C;
609 break;
610 case 0x38: /* right alt key (alt gr) */
611 keycode = 0x5D;
612 break;
613 case 0x46: /* ctrl-pause/break on AT 101 (see below) */
614 keycode = 0x68;
615 break;
616 case 0x47: /* grey home key */
617 keycode = 0x5E;
618 break;
619 case 0x48: /* grey up arrow key */
620 keycode = 0x5F;
621 break;
622 case 0x49: /* grey page up key */
623 keycode = 0x60;
624 break;
625 case 0x4B: /* grey left arrow key */
626 keycode = 0x61;
627 break;
628 case 0x4D: /* grey right arrow key */
629 keycode = 0x62;
630 break;
631 case 0x4F: /* grey end key */
632 keycode = 0x63;
633 break;
634 case 0x50: /* grey down arrow key */
635 keycode = 0x64;
636 break;
637 case 0x51: /* grey page down key */
638 keycode = 0x65;
639 break;
640 case 0x52: /* grey insert key */
641 keycode = 0x66;
642 break;
643 case 0x53: /* grey delete key */
644 keycode = 0x67;
645 break;
646 /* the following 3 are only used on the MS "Natural" keyboard */
647 case 0x5b: /* left Window key */
648 keycode = 0x69;
649 break;
650 case 0x5c: /* right Window key */
651 keycode = 0x6a;
652 break;
653 case 0x5d: /* menu key */
654 keycode = 0x6b;
655 break;
656 default: /* ignore everything else */
657 goto next_code;
658 }
659 break;
660 case 0xE1: /* 0xE1 prefix */
661 /*
662 * The pause/break key on the 101 keyboard produces:
663 * E1-1D-45 E1-9D-C5
664 * Ctrl-pause/break produces:
665 * E0-46 E0-C6 (See above.)
666 */
667 state->ks_prefix = 0;
668 if (keycode == 0x1D)
669 state->ks_prefix = 0x1D;
670 goto next_code;
671 /* NOT REACHED */
672 case 0x1D: /* pause / break */
673 state->ks_prefix = 0;
674 if (keycode != 0x45)
675 goto next_code;
676 keycode = 0x68;
677 break;
678 }
679
680 if (kbd->kb_type == KB_84) {
681 switch (keycode) {
682 case 0x37: /* *(numpad)/print screen */
683 if (state->ks_flags & SHIFTS)
684 keycode = 0x5c; /* print screen */
685 break;
686 case 0x45: /* num lock/pause */
687 if (state->ks_flags & CTLS)
688 keycode = 0x68; /* pause */
689 break;
690 case 0x46: /* scroll lock/break */
691 if (state->ks_flags & CTLS)
692 keycode = 0x6c; /* break */
693 break;
694 }
695 } else if (kbd->kb_type == KB_101) {
696 switch (keycode) {
697 case 0x5c: /* print screen */
698 if (state->ks_flags & ALTS)
699 keycode = 0x54; /* sysrq */
700 break;
701 case 0x68: /* pause/break */
702 if (state->ks_flags & CTLS)
703 keycode = 0x6c; /* break */
704 break;
705 }
706 }
707
708 /* return the key code in the K_CODE mode */
709 if (state->ks_mode == K_CODE)
710 return (keycode | (scancode & 0x80));
711
712 /* compose a character code */
713 if (state->ks_flags & COMPOSE) {
714 switch (keycode | (scancode & 0x80)) {
715 /* key pressed, process it */
716 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
717 state->ks_composed_char *= 10;
718 state->ks_composed_char += keycode - 0x40;
|
| 719 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
712 if (state->ks_composed_char > UCHAR_MAX)
713 return ERRKEY;
714 goto next_code;
715 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
716 state->ks_composed_char *= 10;
717 state->ks_composed_char += keycode - 0x47;
| 720 if (state->ks_composed_char > UCHAR_MAX)
721 return ERRKEY;
722 goto next_code;
723 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
724 state->ks_composed_char *= 10;
725 state->ks_composed_char += keycode - 0x47;
|
| 726 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
718 if (state->ks_composed_char > UCHAR_MAX)
719 return ERRKEY;
720 goto next_code;
721 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
722 state->ks_composed_char *= 10;
723 state->ks_composed_char += keycode - 0x4E;
| 727 if (state->ks_composed_char > UCHAR_MAX)
728 return ERRKEY;
729 goto next_code;
730 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
731 state->ks_composed_char *= 10;
732 state->ks_composed_char += keycode - 0x4E;
|
| 733 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
724 if (state->ks_composed_char > UCHAR_MAX)
725 return ERRKEY;
726 goto next_code;
727 case 0x52: /* keypad 0 */
728 state->ks_composed_char *= 10;
| 734 if (state->ks_composed_char > UCHAR_MAX)
735 return ERRKEY;
736 goto next_code;
737 case 0x52: /* keypad 0 */
738 state->ks_composed_char *= 10;
|
| 739 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
729 if (state->ks_composed_char > UCHAR_MAX)
730 return ERRKEY;
731 goto next_code;
732
733 /* key released, no interest here */
734 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
735 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
736 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
737 case 0xD2: /* keypad 0 */
| 740 if (state->ks_composed_char > UCHAR_MAX)
741 return ERRKEY;
742 goto next_code;
743
744 /* key released, no interest here */
745 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
746 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
747 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
748 case 0xD2: /* keypad 0 */
|
| 749 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
738 goto next_code;
739
740 case 0x38: /* left alt key */
741 break;
742
743 default:
744 if (state->ks_composed_char > 0) {
745 state->ks_flags &= ~COMPOSE;
746 state->ks_composed_char = 0;
| 750 goto next_code;
751
752 case 0x38: /* left alt key */
753 break;
754
755 default:
756 if (state->ks_composed_char > 0) {
757 state->ks_flags &= ~COMPOSE;
758 state->ks_composed_char = 0;
|
| 759 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
747 return ERRKEY;
748 }
749 break;
750 }
751 }
752
753 /* keycode to key action */
754 action = genkbd_keyaction(kbd, keycode, scancode & 0x80,
755 &state->ks_state, &state->ks_accents);
| 760 return ERRKEY;
761 }
762 break;
763 }
764 }
765
766 /* keycode to key action */
767 action = genkbd_keyaction(kbd, keycode, scancode & 0x80,
768 &state->ks_state, &state->ks_accents);
|
| 769 kbd->kb_prev_key = keycode | (scancode & 0x80);
|
756 if (action == NOKEY)
757 goto next_code;
758 else
759 return action;
760}
761
762/* check if char is waiting */
763static int
764atkbd_check_char(keyboard_t *kbd)
765{
766 atkbd_state_t *state;
767
768 if (!KBD_IS_ACTIVE(kbd))
769 return FALSE;
770 state = (atkbd_state_t *)kbd->kb_data;
771 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0))
772 return TRUE;
773 return kbdc_data_ready(state->kbdc);
774}
775
776/* some useful control functions */
777static int
778atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
779{
780 /* trasnlate LED_XXX bits into the device specific bits */
781 static u_char ledmap[8] = {
782 0, 4, 2, 6, 1, 5, 3, 7,
783 };
784 atkbd_state_t *state = kbd->kb_data;
785 int error;
786 int s;
787 int i;
788
789 s = spltty();
790 switch (cmd) {
791
792 case KDGKBMODE: /* get keyboard mode */
793 *(int *)arg = state->ks_mode;
794 break;
795 case KDSKBMODE: /* set keyboard mode */
796 switch (*(int *)arg) {
797 case K_XLATE:
798 if (state->ks_mode != K_XLATE) {
799 /* make lock key state and LED state match */
800 state->ks_state &= ~LOCK_MASK;
801 state->ks_state |= KBD_LED_VAL(kbd);
802 }
803 /* FALL THROUGH */
804 case K_RAW:
805 case K_CODE:
806 if (state->ks_mode != *(int *)arg) {
807 atkbd_clear_state(kbd);
808 state->ks_mode = *(int *)arg;
809 }
810 break;
811 default:
812 splx(s);
813 return EINVAL;
814 }
815 break;
816
817 case KDGETLED: /* get keyboard LED */
818 *(int *)arg = KBD_LED_VAL(kbd);
819 break;
820 case KDSETLED: /* set keyboard LED */
821 /* NOTE: lock key state in ks_state won't be changed */
822 if (*(int *)arg & ~LOCK_MASK) {
823 splx(s);
824 return EINVAL;
825 }
826 i = *(int *)arg;
827 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */
828 if (kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
829 if (i & ALKED)
830 i |= CLKED;
831 else
832 i &= ~CLKED;
833 }
834 if (KBD_HAS_DEVICE(kbd)) {
835 error = write_kbd(state->kbdc, KBDC_SET_LEDS,
836 ledmap[i & LED_MASK]);
837 if (error) {
838 splx(s);
839 return error;
840 }
841 }
842 KBD_LED_VAL(kbd) = *(int *)arg;
843 break;
844
845 case KDGKBSTATE: /* get lock key state */
846 *(int *)arg = state->ks_state & LOCK_MASK;
847 break;
848 case KDSKBSTATE: /* set lock key state */
849 if (*(int *)arg & ~LOCK_MASK) {
850 splx(s);
851 return EINVAL;
852 }
853 state->ks_state &= ~LOCK_MASK;
854 state->ks_state |= *(int *)arg;
855 splx(s);
856 /* set LEDs and quit */
857 return atkbd_ioctl(kbd, KDSETLED, arg);
858
859 case KDSETREPEAT: /* set keyboard repeat rate (new interface) */
860 splx(s);
861 if (!KBD_HAS_DEVICE(kbd))
862 return 0;
863 i = typematic(((int *)arg)[0], ((int *)arg)[1]);
864 return write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, i);
865
866 case KDSETRAD: /* set keyboard repeat rate (old interface) */
867 splx(s);
868 if (!KBD_HAS_DEVICE(kbd))
869 return 0;
870 return write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, *(int *)arg);
871
872 case PIO_KEYMAP: /* set keyboard translation table */
873 case PIO_KEYMAPENT: /* set keyboard translation table entry */
874 case PIO_DEADKEYMAP: /* set accent key translation table */
875 state->ks_accents = 0;
876 /* FALL THROUGH */
877 default:
878 splx(s);
879 return genkbd_commonioctl(kbd, cmd, arg);
880 }
881
882 splx(s);
883 return 0;
884}
885
886/* lock the access to the keyboard */
887static int
888atkbd_lock(keyboard_t *kbd, int lock)
889{
890 return kbdc_lock(((atkbd_state_t *)kbd->kb_data)->kbdc, lock);
891}
892
893/* clear the internal state of the keyboard */
894static void
895atkbd_clear_state(keyboard_t *kbd)
896{
897 atkbd_state_t *state;
898
899 state = (atkbd_state_t *)kbd->kb_data;
900 state->ks_flags = 0;
901 state->ks_polling = 0;
902 state->ks_state &= LOCK_MASK; /* preserve locking key state */
903 state->ks_accents = 0;
904 state->ks_composed_char = 0;
905#if 0
906 state->ks_prefix = 0; /* XXX */
907#endif
908}
909
910/* save the internal state */
911static int
912atkbd_get_state(keyboard_t *kbd, void *buf, size_t len)
913{
914 if (len == 0)
915 return sizeof(atkbd_state_t);
916 if (len < sizeof(atkbd_state_t))
917 return -1;
918 bcopy(kbd->kb_data, buf, sizeof(atkbd_state_t));
919 return 0;
920}
921
922/* set the internal state */
923static int
924atkbd_set_state(keyboard_t *kbd, void *buf, size_t len)
925{
926 if (len < sizeof(atkbd_state_t))
927 return ENOMEM;
928 if (((atkbd_state_t *)kbd->kb_data)->kbdc
929 != ((atkbd_state_t *)buf)->kbdc)
930 return ENOMEM;
931 bcopy(buf, kbd->kb_data, sizeof(atkbd_state_t));
932 return 0;
933}
934
935static int
936atkbd_poll(keyboard_t *kbd, int on)
937{
938 atkbd_state_t *state;
939 int s;
940
941 state = (atkbd_state_t *)kbd->kb_data;
942 s = spltty();
943 if (on)
944 ++state->ks_polling;
945 else
946 --state->ks_polling;
947 splx(s);
948 return 0;
949}
950
951/* local functions */
952
953static int
954setup_kbd_port(KBDC kbdc, int port, int intr)
955{
956 if (!set_controller_command_byte(kbdc,
957 KBD_KBD_CONTROL_BITS,
958 ((port) ? KBD_ENABLE_KBD_PORT : KBD_DISABLE_KBD_PORT)
959 | ((intr) ? KBD_ENABLE_KBD_INT : KBD_DISABLE_KBD_INT)))
960 return 1;
961 return 0;
962}
963
964static int
965get_kbd_echo(KBDC kbdc)
966{
967 /* enable the keyboard port, but disable the keyboard intr. */
968 if (setup_kbd_port(kbdc, TRUE, FALSE))
969 /* CONTROLLER ERROR: there is very little we can do... */
970 return ENXIO;
971
972 /* see if something is present */
973 write_kbd_command(kbdc, KBDC_ECHO);
974 if (read_kbd_data(kbdc) != KBD_ECHO) {
975 empty_both_buffers(kbdc, 10);
976 test_controller(kbdc);
977 test_kbd_port(kbdc);
978 return ENXIO;
979 }
980
981 /* enable the keyboard port and intr. */
982 if (setup_kbd_port(kbdc, TRUE, TRUE)) {
983 /*
984 * CONTROLLER ERROR
985 * This is serious; the keyboard intr is left disabled!
986 */
987 return ENXIO;
988 }
989
990 return 0;
991}
992
993static int
994probe_keyboard(KBDC kbdc, int flags)
995{
996 /*
997 * Don't try to print anything in this function. The low-level
998 * console may not have been initialized yet...
999 */
1000 int err;
1001 int c;
1002 int m;
1003
1004 if (!kbdc_lock(kbdc, TRUE)) {
1005 /* driver error? */
1006 return ENXIO;
1007 }
1008
1009 /* flush any noise in the buffer */
1010 empty_both_buffers(kbdc, 10);
1011
1012 /* save the current keyboard controller command byte */
1013 m = kbdc_get_device_mask(kbdc) & ~KBD_KBD_CONTROL_BITS;
1014 c = get_controller_command_byte(kbdc);
1015 if (c == -1) {
1016 /* CONTROLLER ERROR */
1017 kbdc_set_device_mask(kbdc, m);
1018 kbdc_lock(kbdc, FALSE);
1019 return ENXIO;
1020 }
1021
1022 /*
1023 * The keyboard may have been screwed up by the boot block.
1024 * We may just be able to recover from error by testing the controller
1025 * and the keyboard port. The controller command byte needs to be
1026 * saved before this recovery operation, as some controllers seem
1027 * to set the command byte to particular values.
1028 */
1029 test_controller(kbdc);
1030 test_kbd_port(kbdc);
1031
1032 err = get_kbd_echo(kbdc);
1033 if (err == 0) {
1034 kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS);
1035 } else {
1036 if (c != -1)
1037 /* try to restore the command byte as before */
1038 set_controller_command_byte(kbdc, 0xff, c);
1039 kbdc_set_device_mask(kbdc, m);
1040 }
1041
1042 kbdc_lock(kbdc, FALSE);
1043 return err;
1044}
1045
1046static int
1047init_keyboard(KBDC kbdc, int *type, int flags)
1048{
1049 int codeset;
1050 int id;
1051 int c;
1052
1053 if (!kbdc_lock(kbdc, TRUE)) {
1054 /* driver error? */
1055 return EIO;
1056 }
1057
1058 /* save the current controller command byte */
| 770 if (action == NOKEY)
771 goto next_code;
772 else
773 return action;
774}
775
776/* check if char is waiting */
777static int
778atkbd_check_char(keyboard_t *kbd)
779{
780 atkbd_state_t *state;
781
782 if (!KBD_IS_ACTIVE(kbd))
783 return FALSE;
784 state = (atkbd_state_t *)kbd->kb_data;
785 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0))
786 return TRUE;
787 return kbdc_data_ready(state->kbdc);
788}
789
790/* some useful control functions */
791static int
792atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
793{
794 /* trasnlate LED_XXX bits into the device specific bits */
795 static u_char ledmap[8] = {
796 0, 4, 2, 6, 1, 5, 3, 7,
797 };
798 atkbd_state_t *state = kbd->kb_data;
799 int error;
800 int s;
801 int i;
802
803 s = spltty();
804 switch (cmd) {
805
806 case KDGKBMODE: /* get keyboard mode */
807 *(int *)arg = state->ks_mode;
808 break;
809 case KDSKBMODE: /* set keyboard mode */
810 switch (*(int *)arg) {
811 case K_XLATE:
812 if (state->ks_mode != K_XLATE) {
813 /* make lock key state and LED state match */
814 state->ks_state &= ~LOCK_MASK;
815 state->ks_state |= KBD_LED_VAL(kbd);
816 }
817 /* FALL THROUGH */
818 case K_RAW:
819 case K_CODE:
820 if (state->ks_mode != *(int *)arg) {
821 atkbd_clear_state(kbd);
822 state->ks_mode = *(int *)arg;
823 }
824 break;
825 default:
826 splx(s);
827 return EINVAL;
828 }
829 break;
830
831 case KDGETLED: /* get keyboard LED */
832 *(int *)arg = KBD_LED_VAL(kbd);
833 break;
834 case KDSETLED: /* set keyboard LED */
835 /* NOTE: lock key state in ks_state won't be changed */
836 if (*(int *)arg & ~LOCK_MASK) {
837 splx(s);
838 return EINVAL;
839 }
840 i = *(int *)arg;
841 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */
842 if (kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
843 if (i & ALKED)
844 i |= CLKED;
845 else
846 i &= ~CLKED;
847 }
848 if (KBD_HAS_DEVICE(kbd)) {
849 error = write_kbd(state->kbdc, KBDC_SET_LEDS,
850 ledmap[i & LED_MASK]);
851 if (error) {
852 splx(s);
853 return error;
854 }
855 }
856 KBD_LED_VAL(kbd) = *(int *)arg;
857 break;
858
859 case KDGKBSTATE: /* get lock key state */
860 *(int *)arg = state->ks_state & LOCK_MASK;
861 break;
862 case KDSKBSTATE: /* set lock key state */
863 if (*(int *)arg & ~LOCK_MASK) {
864 splx(s);
865 return EINVAL;
866 }
867 state->ks_state &= ~LOCK_MASK;
868 state->ks_state |= *(int *)arg;
869 splx(s);
870 /* set LEDs and quit */
871 return atkbd_ioctl(kbd, KDSETLED, arg);
872
873 case KDSETREPEAT: /* set keyboard repeat rate (new interface) */
874 splx(s);
875 if (!KBD_HAS_DEVICE(kbd))
876 return 0;
877 i = typematic(((int *)arg)[0], ((int *)arg)[1]);
878 return write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, i);
879
880 case KDSETRAD: /* set keyboard repeat rate (old interface) */
881 splx(s);
882 if (!KBD_HAS_DEVICE(kbd))
883 return 0;
884 return write_kbd(state->kbdc, KBDC_SET_TYPEMATIC, *(int *)arg);
885
886 case PIO_KEYMAP: /* set keyboard translation table */
887 case PIO_KEYMAPENT: /* set keyboard translation table entry */
888 case PIO_DEADKEYMAP: /* set accent key translation table */
889 state->ks_accents = 0;
890 /* FALL THROUGH */
891 default:
892 splx(s);
893 return genkbd_commonioctl(kbd, cmd, arg);
894 }
895
896 splx(s);
897 return 0;
898}
899
900/* lock the access to the keyboard */
901static int
902atkbd_lock(keyboard_t *kbd, int lock)
903{
904 return kbdc_lock(((atkbd_state_t *)kbd->kb_data)->kbdc, lock);
905}
906
907/* clear the internal state of the keyboard */
908static void
909atkbd_clear_state(keyboard_t *kbd)
910{
911 atkbd_state_t *state;
912
913 state = (atkbd_state_t *)kbd->kb_data;
914 state->ks_flags = 0;
915 state->ks_polling = 0;
916 state->ks_state &= LOCK_MASK; /* preserve locking key state */
917 state->ks_accents = 0;
918 state->ks_composed_char = 0;
919#if 0
920 state->ks_prefix = 0; /* XXX */
921#endif
922}
923
924/* save the internal state */
925static int
926atkbd_get_state(keyboard_t *kbd, void *buf, size_t len)
927{
928 if (len == 0)
929 return sizeof(atkbd_state_t);
930 if (len < sizeof(atkbd_state_t))
931 return -1;
932 bcopy(kbd->kb_data, buf, sizeof(atkbd_state_t));
933 return 0;
934}
935
936/* set the internal state */
937static int
938atkbd_set_state(keyboard_t *kbd, void *buf, size_t len)
939{
940 if (len < sizeof(atkbd_state_t))
941 return ENOMEM;
942 if (((atkbd_state_t *)kbd->kb_data)->kbdc
943 != ((atkbd_state_t *)buf)->kbdc)
944 return ENOMEM;
945 bcopy(buf, kbd->kb_data, sizeof(atkbd_state_t));
946 return 0;
947}
948
949static int
950atkbd_poll(keyboard_t *kbd, int on)
951{
952 atkbd_state_t *state;
953 int s;
954
955 state = (atkbd_state_t *)kbd->kb_data;
956 s = spltty();
957 if (on)
958 ++state->ks_polling;
959 else
960 --state->ks_polling;
961 splx(s);
962 return 0;
963}
964
965/* local functions */
966
967static int
968setup_kbd_port(KBDC kbdc, int port, int intr)
969{
970 if (!set_controller_command_byte(kbdc,
971 KBD_KBD_CONTROL_BITS,
972 ((port) ? KBD_ENABLE_KBD_PORT : KBD_DISABLE_KBD_PORT)
973 | ((intr) ? KBD_ENABLE_KBD_INT : KBD_DISABLE_KBD_INT)))
974 return 1;
975 return 0;
976}
977
978static int
979get_kbd_echo(KBDC kbdc)
980{
981 /* enable the keyboard port, but disable the keyboard intr. */
982 if (setup_kbd_port(kbdc, TRUE, FALSE))
983 /* CONTROLLER ERROR: there is very little we can do... */
984 return ENXIO;
985
986 /* see if something is present */
987 write_kbd_command(kbdc, KBDC_ECHO);
988 if (read_kbd_data(kbdc) != KBD_ECHO) {
989 empty_both_buffers(kbdc, 10);
990 test_controller(kbdc);
991 test_kbd_port(kbdc);
992 return ENXIO;
993 }
994
995 /* enable the keyboard port and intr. */
996 if (setup_kbd_port(kbdc, TRUE, TRUE)) {
997 /*
998 * CONTROLLER ERROR
999 * This is serious; the keyboard intr is left disabled!
1000 */
1001 return ENXIO;
1002 }
1003
1004 return 0;
1005}
1006
1007static int
1008probe_keyboard(KBDC kbdc, int flags)
1009{
1010 /*
1011 * Don't try to print anything in this function. The low-level
1012 * console may not have been initialized yet...
1013 */
1014 int err;
1015 int c;
1016 int m;
1017
1018 if (!kbdc_lock(kbdc, TRUE)) {
1019 /* driver error? */
1020 return ENXIO;
1021 }
1022
1023 /* flush any noise in the buffer */
1024 empty_both_buffers(kbdc, 10);
1025
1026 /* save the current keyboard controller command byte */
1027 m = kbdc_get_device_mask(kbdc) & ~KBD_KBD_CONTROL_BITS;
1028 c = get_controller_command_byte(kbdc);
1029 if (c == -1) {
1030 /* CONTROLLER ERROR */
1031 kbdc_set_device_mask(kbdc, m);
1032 kbdc_lock(kbdc, FALSE);
1033 return ENXIO;
1034 }
1035
1036 /*
1037 * The keyboard may have been screwed up by the boot block.
1038 * We may just be able to recover from error by testing the controller
1039 * and the keyboard port. The controller command byte needs to be
1040 * saved before this recovery operation, as some controllers seem
1041 * to set the command byte to particular values.
1042 */
1043 test_controller(kbdc);
1044 test_kbd_port(kbdc);
1045
1046 err = get_kbd_echo(kbdc);
1047 if (err == 0) {
1048 kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS);
1049 } else {
1050 if (c != -1)
1051 /* try to restore the command byte as before */
1052 set_controller_command_byte(kbdc, 0xff, c);
1053 kbdc_set_device_mask(kbdc, m);
1054 }
1055
1056 kbdc_lock(kbdc, FALSE);
1057 return err;
1058}
1059
1060static int
1061init_keyboard(KBDC kbdc, int *type, int flags)
1062{
1063 int codeset;
1064 int id;
1065 int c;
1066
1067 if (!kbdc_lock(kbdc, TRUE)) {
1068 /* driver error? */
1069 return EIO;
1070 }
1071
1072 /* save the current controller command byte */
|
1059 empty_both_buffers(kbdc, 10);
| 1073 empty_both_buffers(kbdc, 200);
|
1060 c = get_controller_command_byte(kbdc);
1061 if (c == -1) {
1062 /* CONTROLLER ERROR */
1063 kbdc_lock(kbdc, FALSE);
1064 printf("atkbd: unable to get the current command byte value.\n");
1065 return EIO;
1066 }
1067 if (bootverbose)
1068 printf("atkbd: the current kbd controller command byte %04x\n",
1069 c);
1070#if 0
1071 /* override the keyboard lock switch */
1072 c |= KBD_OVERRIDE_KBD_LOCK;
1073#endif
1074
1075 /* enable the keyboard port, but disable the keyboard intr. */
1076 if (setup_kbd_port(kbdc, TRUE, FALSE)) {
1077 /* CONTROLLER ERROR: there is very little we can do... */
1078 printf("atkbd: unable to set the command byte.\n");
1079 kbdc_lock(kbdc, FALSE);
1080 return EIO;
1081 }
1082
1083 /*
1084 * Check if we have an XT keyboard before we attempt to reset it.
1085 * The procedure assumes that the keyboard and the controller have
1086 * been set up properly by BIOS and have not been messed up
1087 * during the boot process.
1088 */
1089 codeset = -1;
1090 if (flags & KB_CONF_ALT_SCANCODESET)
1091 /* the user says there is a XT keyboard */
1092 codeset = 1;
1093#ifdef KBD_DETECT_XT_KEYBOARD
1094 else if ((c & KBD_TRANSLATION) == 0) {
1095 /* SET_SCANCODE_SET is not always supported; ignore error */
1096 if (send_kbd_command_and_data(kbdc, KBDC_SET_SCANCODE_SET, 0)
1097 == KBD_ACK)
1098 codeset = read_kbd_data(kbdc);
1099 }
1100 if (bootverbose)
1101 printf("atkbd: scancode set %d\n", codeset);
1102#endif /* KBD_DETECT_XT_KEYBOARD */
1103
1104 *type = KB_OTHER;
1105 id = get_kbd_id(kbdc);
1106 switch(id) {
1107 case 0x41ab:
1108 case 0x83ab:
1109 *type = KB_101;
1110 break;
1111 case -1: /* AT 84 keyboard doesn't return ID */
1112 *type = KB_84;
1113 break;
1114 default:
1115 break;
1116 }
1117 if (bootverbose)
1118 printf("atkbd: keyboard ID 0x%x (%d)\n", id, *type);
1119
1120 /* reset keyboard hardware */
1121 if (!(flags & KB_CONF_NO_RESET) && !reset_kbd(kbdc)) {
1122 /*
1123 * KEYBOARD ERROR
1124 * Keyboard reset may fail either because the keyboard
1125 * doen't exist, or because the keyboard doesn't pass
1126 * the self-test, or the keyboard controller on the
1127 * motherboard and the keyboard somehow fail to shake hands.
1128 * It is just possible, particularly in the last case,
1129 * that the keyoard controller may be left in a hung state.
1130 * test_controller() and test_kbd_port() appear to bring
1131 * the keyboard controller back (I don't know why and how,
1132 * though.)
1133 */
1134 empty_both_buffers(kbdc, 10);
1135 test_controller(kbdc);
1136 test_kbd_port(kbdc);
1137 /*
1138 * We could disable the keyboard port and interrupt... but,
1139 * the keyboard may still exist (see above).
1140 */
1141 set_controller_command_byte(kbdc, 0xff, c);
1142 kbdc_lock(kbdc, FALSE);
1143 if (bootverbose)
1144 printf("atkbd: failed to reset the keyboard.\n");
1145 return EIO;
1146 }
1147
1148 /*
1149 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards
1150 * such as those on the IBM ThinkPad laptop computers can be used
1151 * with the standard console driver.
1152 */
1153 if (codeset == 1) {
1154 if (send_kbd_command_and_data(kbdc,
1155 KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) {
1156 /* XT kbd doesn't need scan code translation */
1157 c &= ~KBD_TRANSLATION;
1158 } else {
1159 /*
1160 * KEYBOARD ERROR
1161 * The XT kbd isn't usable unless the proper scan
1162 * code set is selected.
1163 */
1164 set_controller_command_byte(kbdc, 0xff, c);
1165 kbdc_lock(kbdc, FALSE);
1166 printf("atkbd: unable to set the XT keyboard mode.\n");
1167 return EIO;
1168 }
1169 }
1170
1171#ifdef __alpha__
1172 if (send_kbd_command_and_data(
1173 kbdc, KBDC_SET_SCANCODE_SET, 2) != KBD_ACK) {
1174 printf("atkbd: can't set translation.\n");
1175
1176 }
1177 c |= KBD_TRANSLATION;
1178#endif
1179
1180 /* enable the keyboard port and intr. */
1181 if (!set_controller_command_byte(kbdc,
1182 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK,
1183 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK))
1184 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) {
1185 /*
1186 * CONTROLLER ERROR
1187 * This is serious; we are left with the disabled
1188 * keyboard intr.
1189 */
1190 set_controller_command_byte(kbdc, 0xff, c);
1191 kbdc_lock(kbdc, FALSE);
1192 printf("atkbd: unable to enable the keyboard port and intr.\n");
1193 return EIO;
1194 }
1195
1196 kbdc_lock(kbdc, FALSE);
1197 return 0;
1198}
1199
1200static int
1201write_kbd(KBDC kbdc, int command, int data)
1202{
1203 int s;
1204
1205 /* prevent the timeout routine from polling the keyboard */
1206 if (!kbdc_lock(kbdc, TRUE))
1207 return EBUSY;
1208
1209 /* disable the keyboard and mouse interrupt */
1210 s = spltty();
1211#if 0
1212 c = get_controller_command_byte(kbdc);
1213 if ((c == -1)
1214 || !set_controller_command_byte(kbdc,
1215 kbdc_get_device_mask(kbdc),
1216 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT
1217 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) {
1218 /* CONTROLLER ERROR */
1219 kbdc_lock(kbdc, FALSE);
1220 splx(s);
1221 return EIO;
1222 }
1223 /*
1224 * Now that the keyboard controller is told not to generate
1225 * the keyboard and mouse interrupts, call `splx()' to allow
1226 * the other tty interrupts. The clock interrupt may also occur,
1227 * but the timeout routine (`scrn_timer()') will be blocked
1228 * by the lock flag set via `kbdc_lock()'
1229 */
1230 splx(s);
1231#endif
1232
1233 if (send_kbd_command_and_data(kbdc, command, data) != KBD_ACK)
1234 send_kbd_command(kbdc, KBDC_ENABLE_KBD);
1235
1236#if 0
1237 /* restore the interrupts */
1238 if (!set_controller_command_byte(kbdc,
1239 kbdc_get_device_mask(kbdc),
1240 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) {
1241 /* CONTROLLER ERROR */
1242 }
1243#else
1244 splx(s);
1245#endif
1246 kbdc_lock(kbdc, FALSE);
1247
1248 return 0;
1249}
1250
1251static int
1252get_kbd_id(KBDC kbdc)
1253{
1254 int id1, id2;
1255
1256 empty_both_buffers(kbdc, 10);
1257 id1 = id2 = -1;
1258 if (send_kbd_command(kbdc, KBDC_SEND_DEV_ID) != KBD_ACK)
1259 return -1;
1260
1261 DELAY(10000); /* 10 msec delay */
1262 id1 = read_kbd_data(kbdc);
1263 if (id1 != -1)
1264 id2 = read_kbd_data(kbdc);
1265
1266 if ((id1 == -1) || (id2 == -1)) {
1267 empty_both_buffers(kbdc, 10);
1268 test_controller(kbdc);
1269 test_kbd_port(kbdc);
1270 return -1;
1271 }
1272 return ((id2 << 8) | id1);
1273}
1274
1275static int
1276typematic(int delay, int rate)
1277{
1278 static int delays[] = { 250, 500, 750, 1000 };
1279 static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63,
1280 68, 76, 84, 92, 100, 110, 118, 126,
1281 136, 152, 168, 184, 200, 220, 236, 252,
1282 272, 304, 336, 368, 400, 440, 472, 504 };
1283 int value;
1284 int i;
1285
1286 for (i = sizeof(delays)/sizeof(delays[0]) - 1; i > 0; --i) {
1287 if (delay >= delays[i])
1288 break;
1289 }
1290 value = i << 5;
1291 for (i = sizeof(rates)/sizeof(rates[0]) - 1; i > 0; --i) {
1292 if (rate >= rates[i])
1293 break;
1294 }
1295 value |= i;
1296 return value;
1297}
1298
1299#endif /* NATKBD > 0 */
| 1074 c = get_controller_command_byte(kbdc);
1075 if (c == -1) {
1076 /* CONTROLLER ERROR */
1077 kbdc_lock(kbdc, FALSE);
1078 printf("atkbd: unable to get the current command byte value.\n");
1079 return EIO;
1080 }
1081 if (bootverbose)
1082 printf("atkbd: the current kbd controller command byte %04x\n",
1083 c);
1084#if 0
1085 /* override the keyboard lock switch */
1086 c |= KBD_OVERRIDE_KBD_LOCK;
1087#endif
1088
1089 /* enable the keyboard port, but disable the keyboard intr. */
1090 if (setup_kbd_port(kbdc, TRUE, FALSE)) {
1091 /* CONTROLLER ERROR: there is very little we can do... */
1092 printf("atkbd: unable to set the command byte.\n");
1093 kbdc_lock(kbdc, FALSE);
1094 return EIO;
1095 }
1096
1097 /*
1098 * Check if we have an XT keyboard before we attempt to reset it.
1099 * The procedure assumes that the keyboard and the controller have
1100 * been set up properly by BIOS and have not been messed up
1101 * during the boot process.
1102 */
1103 codeset = -1;
1104 if (flags & KB_CONF_ALT_SCANCODESET)
1105 /* the user says there is a XT keyboard */
1106 codeset = 1;
1107#ifdef KBD_DETECT_XT_KEYBOARD
1108 else if ((c & KBD_TRANSLATION) == 0) {
1109 /* SET_SCANCODE_SET is not always supported; ignore error */
1110 if (send_kbd_command_and_data(kbdc, KBDC_SET_SCANCODE_SET, 0)
1111 == KBD_ACK)
1112 codeset = read_kbd_data(kbdc);
1113 }
1114 if (bootverbose)
1115 printf("atkbd: scancode set %d\n", codeset);
1116#endif /* KBD_DETECT_XT_KEYBOARD */
1117
1118 *type = KB_OTHER;
1119 id = get_kbd_id(kbdc);
1120 switch(id) {
1121 case 0x41ab:
1122 case 0x83ab:
1123 *type = KB_101;
1124 break;
1125 case -1: /* AT 84 keyboard doesn't return ID */
1126 *type = KB_84;
1127 break;
1128 default:
1129 break;
1130 }
1131 if (bootverbose)
1132 printf("atkbd: keyboard ID 0x%x (%d)\n", id, *type);
1133
1134 /* reset keyboard hardware */
1135 if (!(flags & KB_CONF_NO_RESET) && !reset_kbd(kbdc)) {
1136 /*
1137 * KEYBOARD ERROR
1138 * Keyboard reset may fail either because the keyboard
1139 * doen't exist, or because the keyboard doesn't pass
1140 * the self-test, or the keyboard controller on the
1141 * motherboard and the keyboard somehow fail to shake hands.
1142 * It is just possible, particularly in the last case,
1143 * that the keyoard controller may be left in a hung state.
1144 * test_controller() and test_kbd_port() appear to bring
1145 * the keyboard controller back (I don't know why and how,
1146 * though.)
1147 */
1148 empty_both_buffers(kbdc, 10);
1149 test_controller(kbdc);
1150 test_kbd_port(kbdc);
1151 /*
1152 * We could disable the keyboard port and interrupt... but,
1153 * the keyboard may still exist (see above).
1154 */
1155 set_controller_command_byte(kbdc, 0xff, c);
1156 kbdc_lock(kbdc, FALSE);
1157 if (bootverbose)
1158 printf("atkbd: failed to reset the keyboard.\n");
1159 return EIO;
1160 }
1161
1162 /*
1163 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards
1164 * such as those on the IBM ThinkPad laptop computers can be used
1165 * with the standard console driver.
1166 */
1167 if (codeset == 1) {
1168 if (send_kbd_command_and_data(kbdc,
1169 KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) {
1170 /* XT kbd doesn't need scan code translation */
1171 c &= ~KBD_TRANSLATION;
1172 } else {
1173 /*
1174 * KEYBOARD ERROR
1175 * The XT kbd isn't usable unless the proper scan
1176 * code set is selected.
1177 */
1178 set_controller_command_byte(kbdc, 0xff, c);
1179 kbdc_lock(kbdc, FALSE);
1180 printf("atkbd: unable to set the XT keyboard mode.\n");
1181 return EIO;
1182 }
1183 }
1184
1185#ifdef __alpha__
1186 if (send_kbd_command_and_data(
1187 kbdc, KBDC_SET_SCANCODE_SET, 2) != KBD_ACK) {
1188 printf("atkbd: can't set translation.\n");
1189
1190 }
1191 c |= KBD_TRANSLATION;
1192#endif
1193
1194 /* enable the keyboard port and intr. */
1195 if (!set_controller_command_byte(kbdc,
1196 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK,
1197 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK))
1198 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) {
1199 /*
1200 * CONTROLLER ERROR
1201 * This is serious; we are left with the disabled
1202 * keyboard intr.
1203 */
1204 set_controller_command_byte(kbdc, 0xff, c);
1205 kbdc_lock(kbdc, FALSE);
1206 printf("atkbd: unable to enable the keyboard port and intr.\n");
1207 return EIO;
1208 }
1209
1210 kbdc_lock(kbdc, FALSE);
1211 return 0;
1212}
1213
1214static int
1215write_kbd(KBDC kbdc, int command, int data)
1216{
1217 int s;
1218
1219 /* prevent the timeout routine from polling the keyboard */
1220 if (!kbdc_lock(kbdc, TRUE))
1221 return EBUSY;
1222
1223 /* disable the keyboard and mouse interrupt */
1224 s = spltty();
1225#if 0
1226 c = get_controller_command_byte(kbdc);
1227 if ((c == -1)
1228 || !set_controller_command_byte(kbdc,
1229 kbdc_get_device_mask(kbdc),
1230 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT
1231 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) {
1232 /* CONTROLLER ERROR */
1233 kbdc_lock(kbdc, FALSE);
1234 splx(s);
1235 return EIO;
1236 }
1237 /*
1238 * Now that the keyboard controller is told not to generate
1239 * the keyboard and mouse interrupts, call `splx()' to allow
1240 * the other tty interrupts. The clock interrupt may also occur,
1241 * but the timeout routine (`scrn_timer()') will be blocked
1242 * by the lock flag set via `kbdc_lock()'
1243 */
1244 splx(s);
1245#endif
1246
1247 if (send_kbd_command_and_data(kbdc, command, data) != KBD_ACK)
1248 send_kbd_command(kbdc, KBDC_ENABLE_KBD);
1249
1250#if 0
1251 /* restore the interrupts */
1252 if (!set_controller_command_byte(kbdc,
1253 kbdc_get_device_mask(kbdc),
1254 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) {
1255 /* CONTROLLER ERROR */
1256 }
1257#else
1258 splx(s);
1259#endif
1260 kbdc_lock(kbdc, FALSE);
1261
1262 return 0;
1263}
1264
1265static int
1266get_kbd_id(KBDC kbdc)
1267{
1268 int id1, id2;
1269
1270 empty_both_buffers(kbdc, 10);
1271 id1 = id2 = -1;
1272 if (send_kbd_command(kbdc, KBDC_SEND_DEV_ID) != KBD_ACK)
1273 return -1;
1274
1275 DELAY(10000); /* 10 msec delay */
1276 id1 = read_kbd_data(kbdc);
1277 if (id1 != -1)
1278 id2 = read_kbd_data(kbdc);
1279
1280 if ((id1 == -1) || (id2 == -1)) {
1281 empty_both_buffers(kbdc, 10);
1282 test_controller(kbdc);
1283 test_kbd_port(kbdc);
1284 return -1;
1285 }
1286 return ((id2 << 8) | id1);
1287}
1288
1289static int
1290typematic(int delay, int rate)
1291{
1292 static int delays[] = { 250, 500, 750, 1000 };
1293 static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63,
1294 68, 76, 84, 92, 100, 110, 118, 126,
1295 136, 152, 168, 184, 200, 220, 236, 252,
1296 272, 304, 336, 368, 400, 440, 472, 504 };
1297 int value;
1298 int i;
1299
1300 for (i = sizeof(delays)/sizeof(delays[0]) - 1; i > 0; --i) {
1301 if (delay >= delays[i])
1302 break;
1303 }
1304 value = i << 5;
1305 for (i = sizeof(rates)/sizeof(rates[0]) - 1; i > 0; --i) {
1306 if (rate >= rates[i])
1307 break;
1308 }
1309 value |= i;
1310 return value;
1311}
1312
1313#endif /* NATKBD > 0 */
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