wskbd.c revision 1.105.2.1 1 /* $NetBSD: wskbd.c,v 1.105.2.1 2007/11/06 23:30:52 matt Exp $ */
2
3 /*
4 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.
5 *
6 * Keysym translator:
7 * Contributed to The NetBSD Foundation by Juergen Hannken-Illjes.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Christopher G. Demetriou
20 * for the NetBSD Project.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 /*
37 * Copyright (c) 1992, 1993
38 * The Regents of the University of California. All rights reserved.
39 *
40 * This software was developed by the Computer Systems Engineering group
41 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
42 * contributed to Berkeley.
43 *
44 * All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed by the University of
47 * California, Lawrence Berkeley Laboratory.
48 *
49 * Redistribution and use in source and binary forms, with or without
50 * modification, are permitted provided that the following conditions
51 * are met:
52 * 1. Redistributions of source code must retain the above copyright
53 * notice, this list of conditions and the following disclaimer.
54 * 2. Redistributions in binary form must reproduce the above copyright
55 * notice, this list of conditions and the following disclaimer in the
56 * documentation and/or other materials provided with the distribution.
57 * 3. Neither the name of the University nor the names of its contributors
58 * may be used to endorse or promote products derived from this software
59 * without specific prior written permission.
60 *
61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * SUCH DAMAGE.
72 *
73 * @(#)kbd.c 8.2 (Berkeley) 10/30/93
74 */
75
76 /*
77 * Keyboard driver (/dev/wskbd*). Translates incoming bytes to ASCII or
78 * to `wscons_events' and passes them up to the appropriate reader.
79 */
80
81 #include <sys/cdefs.h>
82 __KERNEL_RCSID(0, "$NetBSD: wskbd.c,v 1.105.2.1 2007/11/06 23:30:52 matt Exp $");
83
84 #include "opt_ddb.h"
85 #include "opt_kgdb.h"
86 #include "opt_wsdisplay_compat.h"
87
88 #include "wsdisplay.h"
89 #include "wskbd.h"
90 #include "wsmux.h"
91
92 #include <sys/param.h>
93 #include <sys/conf.h>
94 #include <sys/device.h>
95 #include <sys/ioctl.h>
96 #include <sys/poll.h>
97 #include <sys/kernel.h>
98 #include <sys/proc.h>
99 #include <sys/syslog.h>
100 #include <sys/systm.h>
101 #include <sys/callout.h>
102 #include <sys/malloc.h>
103 #include <sys/tty.h>
104 #include <sys/signalvar.h>
105 #include <sys/errno.h>
106 #include <sys/fcntl.h>
107 #include <sys/vnode.h>
108 #include <sys/kauth.h>
109
110 #include <dev/wscons/wsconsio.h>
111 #include <dev/wscons/wskbdvar.h>
112 #include <dev/wscons/wsksymdef.h>
113 #include <dev/wscons/wsksymvar.h>
114 #include <dev/wscons/wsdisplayvar.h>
115 #include <dev/wscons/wseventvar.h>
116 #include <dev/wscons/wscons_callbacks.h>
117
118 #ifdef KGDB
119 #include <sys/kgdb.h>
120 #endif
121
122 #ifdef WSKBD_DEBUG
123 #define DPRINTF(x) if (wskbddebug) printf x
124 int wskbddebug = 0;
125 #else
126 #define DPRINTF(x)
127 #endif
128
129 #include <dev/wscons/wsmuxvar.h>
130
131 struct wskbd_internal {
132 const struct wskbd_mapdata *t_keymap;
133
134 const struct wskbd_consops *t_consops;
135 void *t_consaccesscookie;
136
137 int t_modifiers;
138 int t_composelen; /* remaining entries in t_composebuf */
139 keysym_t t_composebuf[2];
140
141 int t_flags;
142 #define WSKFL_METAESC 1
143
144 #define MAXKEYSYMSPERKEY 2 /* ESC <key> at max */
145 keysym_t t_symbols[MAXKEYSYMSPERKEY];
146
147 struct wskbd_softc *t_sc; /* back pointer */
148 };
149
150 struct wskbd_softc {
151 struct wsevsrc sc_base;
152
153 struct wskbd_internal *id;
154
155 const struct wskbd_accessops *sc_accessops;
156 void *sc_accesscookie;
157
158 int sc_ledstate;
159
160 int sc_isconsole;
161
162 struct wskbd_bell_data sc_bell_data;
163 struct wskbd_keyrepeat_data sc_keyrepeat_data;
164 #ifdef WSDISPLAY_SCROLLSUPPORT
165 struct wskbd_scroll_data sc_scroll_data;
166 #endif
167
168 int sc_repeating; /* we've called timeout() */
169 callout_t sc_repeat_ch;
170 u_int sc_repeat_type;
171 int sc_repeat_value;
172
173 int sc_translating; /* xlate to chars for emulation */
174
175 int sc_maplen; /* number of entries in sc_map */
176 struct wscons_keymap *sc_map; /* current translation map */
177 kbd_t sc_layout; /* current layout */
178
179 int sc_refcnt;
180 u_char sc_dying; /* device is being detached */
181 };
182
183 #define MOD_SHIFT_L (1 << 0)
184 #define MOD_SHIFT_R (1 << 1)
185 #define MOD_SHIFTLOCK (1 << 2)
186 #define MOD_CAPSLOCK (1 << 3)
187 #define MOD_CONTROL_L (1 << 4)
188 #define MOD_CONTROL_R (1 << 5)
189 #define MOD_META_L (1 << 6)
190 #define MOD_META_R (1 << 7)
191 #define MOD_MODESHIFT (1 << 8)
192 #define MOD_NUMLOCK (1 << 9)
193 #define MOD_COMPOSE (1 << 10)
194 #define MOD_HOLDSCREEN (1 << 11)
195 #define MOD_COMMAND (1 << 12)
196 #define MOD_COMMAND1 (1 << 13)
197 #define MOD_COMMAND2 (1 << 14)
198
199 #define MOD_ANYSHIFT (MOD_SHIFT_L | MOD_SHIFT_R | MOD_SHIFTLOCK)
200 #define MOD_ANYCONTROL (MOD_CONTROL_L | MOD_CONTROL_R)
201 #define MOD_ANYMETA (MOD_META_L | MOD_META_R)
202
203 #define MOD_ONESET(id, mask) (((id)->t_modifiers & (mask)) != 0)
204 #define MOD_ALLSET(id, mask) (((id)->t_modifiers & (mask)) == (mask))
205
206 #define GETMODSTATE(src, dst) \
207 do { \
208 dst |= (src & MOD_SHIFT_L) ? MOD_SHIFT_L : 0; \
209 dst |= (src & MOD_SHIFT_R) ? MOD_SHIFT_R : 0; \
210 dst |= (src & MOD_CONTROL_L) ? MOD_CONTROL_L : 0; \
211 dst |= (src & MOD_CONTROL_R) ? MOD_CONTROL_R : 0; \
212 dst |= (src & MOD_META_L) ? MOD_META_L : 0; \
213 dst |= (src & MOD_META_R) ? MOD_META_R : 0; \
214 } while (0)
215
216 static int wskbd_match(struct device *, struct cfdata *, void *);
217 static void wskbd_attach(struct device *, struct device *, void *);
218 static int wskbd_detach(struct device *, int);
219 static int wskbd_activate(struct device *, enum devact);
220
221 static int wskbd_displayioctl(struct device *, u_long, void *, int,
222 struct lwp *);
223 #if NWSDISPLAY > 0
224 static int wskbd_set_display(struct device *, struct wsevsrc *);
225 #else
226 #define wskbd_set_display NULL
227 #endif
228
229 static inline void update_leds(struct wskbd_internal *);
230 static inline void update_modifier(struct wskbd_internal *, u_int, int, int);
231 static int internal_command(struct wskbd_softc *, u_int *, keysym_t, keysym_t);
232 static int wskbd_translate(struct wskbd_internal *, u_int, int);
233 static int wskbd_enable(struct wskbd_softc *, int);
234 #if NWSDISPLAY > 0
235 static void change_displayparam(struct wskbd_softc *, int, int, int);
236 static void wskbd_holdscreen(struct wskbd_softc *, int);
237 #endif
238
239 static int wskbd_do_ioctl_sc(struct wskbd_softc *, u_long, void *, int,
240 struct lwp *);
241 static void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value);
242
243 #if NWSMUX > 0
244 static int wskbd_mux_open(struct wsevsrc *, struct wseventvar *);
245 static int wskbd_mux_close(struct wsevsrc *);
246 #else
247 #define wskbd_mux_open NULL
248 #define wskbd_mux_close NULL
249 #endif
250
251 static int wskbd_do_open(struct wskbd_softc *, struct wseventvar *);
252 static int wskbd_do_ioctl(struct device *, u_long, void *, int, struct lwp *);
253
254 CFATTACH_DECL(wskbd, sizeof (struct wskbd_softc),
255 wskbd_match, wskbd_attach, wskbd_detach, wskbd_activate);
256
257 extern struct cfdriver wskbd_cd;
258
259 dev_type_open(wskbdopen);
260 dev_type_close(wskbdclose);
261 dev_type_read(wskbdread);
262 dev_type_ioctl(wskbdioctl);
263 dev_type_poll(wskbdpoll);
264 dev_type_kqfilter(wskbdkqfilter);
265
266 const struct cdevsw wskbd_cdevsw = {
267 wskbdopen, wskbdclose, wskbdread, nowrite, wskbdioctl,
268 nostop, notty, wskbdpoll, nommap, wskbdkqfilter, D_OTHER
269 };
270
271 #ifndef WSKBD_DEFAULT_BELL_PITCH
272 #define WSKBD_DEFAULT_BELL_PITCH 1500 /* 1500Hz */
273 #endif
274 #ifndef WSKBD_DEFAULT_BELL_PERIOD
275 #define WSKBD_DEFAULT_BELL_PERIOD 100 /* 100ms */
276 #endif
277 #ifndef WSKBD_DEFAULT_BELL_VOLUME
278 #define WSKBD_DEFAULT_BELL_VOLUME 50 /* 50% volume */
279 #endif
280
281 struct wskbd_bell_data wskbd_default_bell_data = {
282 WSKBD_BELL_DOALL,
283 WSKBD_DEFAULT_BELL_PITCH,
284 WSKBD_DEFAULT_BELL_PERIOD,
285 WSKBD_DEFAULT_BELL_VOLUME,
286 };
287
288 #ifdef WSDISPLAY_SCROLLSUPPORT
289 struct wskbd_scroll_data wskbd_default_scroll_data = {
290 WSKBD_SCROLL_DOALL,
291 WSKBD_SCROLL_MODE_NORMAL,
292 #ifdef WSDISPLAY_SCROLLCOMBO
293 WSDISPLAY_SCROLLCOMBO,
294 #else
295 MOD_SHIFT_L,
296 #endif
297 };
298 #endif
299
300 #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1
301 #define WSKBD_DEFAULT_KEYREPEAT_DEL1 400 /* 400ms to start repeating */
302 #endif
303 #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN
304 #define WSKBD_DEFAULT_KEYREPEAT_DELN 100 /* 100ms to between repeats */
305 #endif
306
307 struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = {
308 WSKBD_KEYREPEAT_DOALL,
309 WSKBD_DEFAULT_KEYREPEAT_DEL1,
310 WSKBD_DEFAULT_KEYREPEAT_DELN,
311 };
312
313 #if NWSDISPLAY > 0 || NWSMUX > 0
314 struct wssrcops wskbd_srcops = {
315 WSMUX_KBD,
316 wskbd_mux_open, wskbd_mux_close, wskbd_do_ioctl,
317 wskbd_displayioctl, wskbd_set_display
318 };
319 #endif
320
321 static void wskbd_repeat(void *v);
322
323 static int wskbd_console_initted;
324 static struct wskbd_softc *wskbd_console_device;
325 static struct wskbd_internal wskbd_console_data;
326
327 static void wskbd_update_layout(struct wskbd_internal *, kbd_t);
328
329 static void
330 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
331 {
332
333 if (enc & KB_METAESC)
334 id->t_flags |= WSKFL_METAESC;
335 else
336 id->t_flags &= ~WSKFL_METAESC;
337 }
338
339 /*
340 * Print function (for parent devices).
341 */
342 int
343 wskbddevprint(void *aux, const char *pnp)
344 {
345 #if 0
346 struct wskbddev_attach_args *ap = aux;
347 #endif
348
349 if (pnp)
350 aprint_normal("wskbd at %s", pnp);
351 #if 0
352 aprint_normal(" console %d", ap->console);
353 #endif
354
355 return (UNCONF);
356 }
357
358 int
359 wskbd_match(struct device *parent, struct cfdata *match, void *aux)
360 {
361 struct wskbddev_attach_args *ap = aux;
362
363 if (match->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) {
364 /*
365 * If console-ness of device specified, either match
366 * exactly (at high priority), or fail.
367 */
368 if (match->wskbddevcf_console != 0 && ap->console != 0)
369 return (10);
370 else
371 return (0);
372 }
373
374 /* If console-ness unspecified, it wins. */
375 return (1);
376 }
377
378 void
379 wskbd_attach(struct device *parent, struct device *self, void *aux)
380 {
381 struct wskbd_softc *sc = (struct wskbd_softc *)self;
382 struct wskbddev_attach_args *ap = aux;
383 #if NWSMUX > 0
384 int mux, error;
385 #endif
386
387 sc->sc_isconsole = ap->console;
388
389 #if NWSMUX > 0 || NWSDISPLAY > 0
390 sc->sc_base.me_ops = &wskbd_srcops;
391 #endif
392 #if NWSMUX > 0
393 mux = device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux;
394 if (ap->console) {
395 /* Ignore mux for console; it always goes to the console mux. */
396 /* printf(" (mux %d ignored for console)", mux); */
397 mux = -1;
398 }
399 if (mux >= 0)
400 printf(" mux %d", mux);
401 #else
402 if (device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
403 printf(" (mux ignored)");
404 #endif
405
406 if (ap->console) {
407 sc->id = &wskbd_console_data;
408 } else {
409 sc->id = malloc(sizeof(struct wskbd_internal),
410 M_DEVBUF, M_WAITOK|M_ZERO);
411 sc->id->t_keymap = ap->keymap;
412 wskbd_update_layout(sc->id, ap->keymap->layout);
413 }
414
415 callout_init(&sc->sc_repeat_ch, 0);
416 callout_setfunc(&sc->sc_repeat_ch, wskbd_repeat, sc);
417
418 sc->id->t_sc = sc;
419
420 sc->sc_accessops = ap->accessops;
421 sc->sc_accesscookie = ap->accesscookie;
422 sc->sc_repeating = 0;
423 sc->sc_translating = 1;
424 sc->sc_ledstate = -1; /* force update */
425
426 if (wskbd_load_keymap(sc->id->t_keymap,
427 &sc->sc_map, &sc->sc_maplen) != 0)
428 panic("cannot load keymap");
429
430 sc->sc_layout = sc->id->t_keymap->layout;
431
432 /* set default bell and key repeat data */
433 sc->sc_bell_data = wskbd_default_bell_data;
434 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
435
436 #ifdef WSDISPLAY_SCROLLSUPPORT
437 sc->sc_scroll_data = wskbd_default_scroll_data;
438 #endif
439
440 if (ap->console) {
441 KASSERT(wskbd_console_initted);
442 KASSERT(wskbd_console_device == NULL);
443
444 wskbd_console_device = sc;
445
446 printf(": console keyboard");
447
448 #if NWSDISPLAY > 0
449 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
450 if (sc->sc_base.me_dispdv != NULL)
451 printf(", using %s", sc->sc_base.me_dispdv->dv_xname);
452 #endif
453 }
454 printf("\n");
455
456 #if NWSMUX > 0
457 if (mux >= 0) {
458 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
459 if (error)
460 printf("%s: attach error=%d\n",
461 sc->sc_base.me_dv.dv_xname, error);
462 }
463 #endif
464 }
465
466 void
467 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
468 const struct wskbd_mapdata *mapdata)
469 {
470 KASSERT(!wskbd_console_initted);
471
472 wskbd_console_data.t_keymap = mapdata;
473 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
474
475 wskbd_console_data.t_consops = consops;
476 wskbd_console_data.t_consaccesscookie = conscookie;
477
478 #if NWSDISPLAY > 0
479 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
480 #endif
481
482 wskbd_console_initted = 1;
483 }
484
485 void
486 wskbd_cndetach(void)
487 {
488 KASSERT(wskbd_console_initted);
489
490 wskbd_console_data.t_keymap = 0;
491
492 wskbd_console_data.t_consops = 0;
493 wskbd_console_data.t_consaccesscookie = 0;
494
495 #if NWSDISPLAY > 0
496 wsdisplay_unset_cons_kbd();
497 #endif
498
499 wskbd_console_initted = 0;
500 }
501
502 static void
503 wskbd_repeat(void *v)
504 {
505 struct wskbd_softc *sc = (struct wskbd_softc *)v;
506 int s = spltty();
507
508 if (!sc->sc_repeating) {
509 /*
510 * race condition: a "key up" event came in when wskbd_repeat()
511 * was already called but not yet spltty()'d
512 */
513 splx(s);
514 return;
515 }
516 if (sc->sc_translating) {
517 /* deliver keys */
518 #if NWSDISPLAY > 0
519 if (sc->sc_base.me_dispdv != NULL) {
520 int i;
521 for (i = 0; i < sc->sc_repeating; i++)
522 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
523 sc->id->t_symbols[i]);
524 }
525 #endif
526 } else {
527 #if defined(WSKBD_EVENT_AUTOREPEAT)
528 /* queue event */
529 wskbd_deliver_event(sc, sc->sc_repeat_type,
530 sc->sc_repeat_value);
531 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
532 }
533 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
534 splx(s);
535 }
536
537 int
538 wskbd_activate(struct device *self, enum devact act)
539 {
540 struct wskbd_softc *sc = (struct wskbd_softc *)self;
541
542 if (act == DVACT_DEACTIVATE)
543 sc->sc_dying = 1;
544 return (0);
545 }
546
547 /*
548 * Detach a keyboard. To keep track of users of the softc we keep
549 * a reference count that's incremented while inside, e.g., read.
550 * If the keyboard is active and the reference count is > 0 (0 is the
551 * normal state) we post an event and then wait for the process
552 * that had the reference to wake us up again. Then we blow away the
553 * vnode and return (which will deallocate the softc).
554 */
555 int
556 wskbd_detach(struct device *self, int flags)
557 {
558 struct wskbd_softc *sc = (struct wskbd_softc *)self;
559 struct wseventvar *evar;
560 int maj, mn;
561 int s;
562
563 #if NWSMUX > 0
564 /* Tell parent mux we're leaving. */
565 if (sc->sc_base.me_parent != NULL)
566 wsmux_detach_sc(&sc->sc_base);
567 #endif
568
569 callout_stop(&sc->sc_repeat_ch);
570 callout_destroy(&sc->sc_repeat_ch);
571
572 if (sc->sc_isconsole) {
573 KASSERT(wskbd_console_device == sc);
574 wskbd_console_device = NULL;
575 }
576
577 evar = sc->sc_base.me_evp;
578 if (evar != NULL && evar->io != NULL) {
579 s = spltty();
580 if (--sc->sc_refcnt >= 0) {
581 struct wscons_event event;
582
583 /* Wake everyone by generating a dummy event. */
584 event.type = 0;
585 event.value = 0;
586 if (wsevent_inject(evar, &event, 1) != 0)
587 wsevent_wakeup(evar);
588
589 /* Wait for processes to go away. */
590 if (tsleep(sc, PZERO, "wskdet", hz * 60))
591 printf("wskbd_detach: %s didn't detach\n",
592 sc->sc_base.me_dv.dv_xname);
593 }
594 splx(s);
595 }
596
597 /* locate the major number */
598 maj = cdevsw_lookup_major(&wskbd_cdevsw);
599
600 /* Nuke the vnodes for any open instances. */
601 mn = device_unit(self);
602 vdevgone(maj, mn, mn, VCHR);
603
604 return (0);
605 }
606
607 void
608 wskbd_input(struct device *dev, u_int type, int value)
609 {
610 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
611 #if NWSDISPLAY > 0
612 int num, i;
613 #endif
614
615 if (sc->sc_repeating) {
616 sc->sc_repeating = 0;
617 callout_stop(&sc->sc_repeat_ch);
618 }
619
620 #if NWSDISPLAY > 0
621 /*
622 * If /dev/wskbdN is not connected in event mode translate and
623 * send upstream.
624 */
625 if (sc->sc_translating) {
626 num = wskbd_translate(sc->id, type, value);
627 if (num > 0) {
628 if (sc->sc_base.me_dispdv != NULL) {
629 #ifdef WSDISPLAY_SCROLLSUPPORT
630 if (sc->id->t_symbols [0] != KS_Print_Screen) {
631 wsdisplay_scroll(sc->sc_base.
632 me_dispdv, WSDISPLAY_SCROLL_RESET);
633 }
634 #endif
635 for (i = 0; i < num; i++)
636 wsdisplay_kbdinput(
637 sc->sc_base.me_dispdv,
638 sc->id->t_symbols[i]);
639 }
640
641 if (sc->sc_keyrepeat_data.del1 != 0) {
642 sc->sc_repeating = num;
643 callout_schedule(&sc->sc_repeat_ch,
644 mstohz(sc->sc_keyrepeat_data.del1));
645 }
646 }
647 return;
648 }
649 #endif
650
651 wskbd_deliver_event(sc, type, value);
652
653 #if defined(WSKBD_EVENT_AUTOREPEAT)
654 /* Repeat key presses if set. */
655 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
656 sc->sc_repeat_type = type;
657 sc->sc_repeat_value = value;
658 sc->sc_repeating = 1;
659 callout_schedule(&sc->sc_repeat_ch,
660 mstohz(sc->sc_keyrepeat_data.del1));
661 }
662 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
663 }
664
665 /*
666 * Keyboard is generating events. Turn this keystroke into an
667 * event and put it in the queue. If the queue is full, the
668 * keystroke is lost (sorry!).
669 */
670 static void
671 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
672 {
673 struct wseventvar *evar;
674 struct wscons_event event;
675
676 evar = sc->sc_base.me_evp;
677
678 if (evar == NULL) {
679 DPRINTF(("wskbd_input: not open\n"));
680 return;
681 }
682
683 #ifdef DIAGNOSTIC
684 if (evar->q == NULL) {
685 printf("wskbd_input: evar->q=NULL\n");
686 return;
687 }
688 #endif
689
690 event.type = type;
691 event.value = value;
692 if (wsevent_inject(evar, &event, 1) != 0)
693 log(LOG_WARNING, "%s: event queue overflow\n",
694 sc->sc_base.me_dv.dv_xname);
695 }
696
697 #ifdef WSDISPLAY_COMPAT_RAWKBD
698 void
699 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
700 {
701 #if NWSDISPLAY > 0
702 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
703 int i;
704
705 if (sc->sc_base.me_dispdv != NULL)
706 for (i = 0; i < len; i++)
707 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
708 /* this is KS_GROUP_Ascii */
709 #endif
710 }
711 #endif /* WSDISPLAY_COMPAT_RAWKBD */
712
713 #if NWSDISPLAY > 0
714 static void
715 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
716 {
717 int new_state;
718
719 if (sc->sc_base.me_dispdv != NULL) {
720 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
721 new_state = sc->sc_ledstate;
722 if (hold) {
723 #ifdef WSDISPLAY_SCROLLSUPPORT
724 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
725 #endif
726 new_state |= WSKBD_LED_SCROLL;
727 } else {
728 #ifdef WSDISPLAY_SCROLLSUPPORT
729 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
730 #endif
731 new_state &= ~WSKBD_LED_SCROLL;
732 }
733 if (new_state != sc->sc_ledstate) {
734 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
735 new_state);
736 sc->sc_ledstate = new_state;
737 #ifdef WSDISPLAY_SCROLLSUPPORT
738 if (!hold)
739 wsdisplay_scroll(sc->sc_base.me_dispdv,
740 WSDISPLAY_SCROLL_RESET);
741 #endif
742 }
743 }
744 }
745 #endif
746
747 static int
748 wskbd_enable(struct wskbd_softc *sc, int on)
749 {
750 int error;
751
752 #if 0
753 /* I don't understand the purpose of this code. And it seems to
754 * break things, so it's out. -- Lennart
755 */
756 if (!on && (!sc->sc_translating
757 #if NWSDISPLAY > 0
758 || sc->sc_base.me_dispdv
759 #endif
760 ))
761 return (EBUSY);
762 #endif
763 #if NWSDISPLAY > 0
764 if (sc->sc_base.me_dispdv != NULL)
765 return (0);
766 #endif
767
768 /* Always cancel auto repeat when fiddling with the kbd. */
769 if (sc->sc_repeating) {
770 sc->sc_repeating = 0;
771 callout_stop(&sc->sc_repeat_ch);
772 }
773
774 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
775 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
776 return (error);
777 }
778
779 #if NWSMUX > 0
780 int
781 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
782 {
783 struct wskbd_softc *sc = (struct wskbd_softc *)me;
784
785 if (sc->sc_dying)
786 return (EIO);
787
788 if (sc->sc_base.me_evp != NULL)
789 return (EBUSY);
790
791 return (wskbd_do_open(sc, evp));
792 }
793 #endif
794
795 int
796 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
797 {
798 struct wskbd_softc *sc;
799 struct wseventvar *evar;
800 int unit, error;
801
802 unit = minor(dev);
803 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
804 (sc = wskbd_cd.cd_devs[unit]) == NULL)
805 return (ENXIO);
806
807 #if NWSMUX > 0
808 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
809 sc->sc_base.me_parent, l));
810 #endif
811
812 if (sc->sc_dying)
813 return (EIO);
814
815 if ((flags & (FREAD | FWRITE)) == FWRITE)
816 /* Not opening for read, only ioctl is available. */
817 return (0);
818
819 #if NWSMUX > 0
820 if (sc->sc_base.me_parent != NULL) {
821 /* Grab the keyboard out of the greedy hands of the mux. */
822 DPRINTF(("wskbdopen: detach\n"));
823 wsmux_detach_sc(&sc->sc_base);
824 }
825 #endif
826
827 if (sc->sc_base.me_evp != NULL)
828 return (EBUSY);
829
830 evar = &sc->sc_base.me_evar;
831 wsevent_init(evar, l->l_proc);
832
833 error = wskbd_do_open(sc, evar);
834 if (error) {
835 DPRINTF(("wskbdopen: %s open failed\n",
836 sc->sc_base.me_dv.dv_xname));
837 sc->sc_base.me_evp = NULL;
838 wsevent_fini(evar);
839 }
840 return (error);
841 }
842
843 int
844 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
845 {
846 sc->sc_base.me_evp = evp;
847 sc->sc_translating = 0;
848
849 return (wskbd_enable(sc, 1));
850 }
851
852 int
853 wskbdclose(dev_t dev, int flags, int mode,
854 struct lwp *l)
855 {
856 struct wskbd_softc *sc =
857 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
858 struct wseventvar *evar = sc->sc_base.me_evp;
859
860 if (evar == NULL)
861 /* not open for read */
862 return (0);
863
864 sc->sc_base.me_evp = NULL;
865 sc->sc_translating = 1;
866 (void)wskbd_enable(sc, 0);
867 wsevent_fini(evar);
868
869 return (0);
870 }
871
872 #if NWSMUX > 0
873 int
874 wskbd_mux_close(struct wsevsrc *me)
875 {
876 struct wskbd_softc *sc = (struct wskbd_softc *)me;
877
878 sc->sc_base.me_evp = NULL;
879 sc->sc_translating = 1;
880 (void)wskbd_enable(sc, 0);
881
882 return (0);
883 }
884 #endif
885
886 int
887 wskbdread(dev_t dev, struct uio *uio, int flags)
888 {
889 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
890 int error;
891
892 if (sc->sc_dying)
893 return (EIO);
894
895 #ifdef DIAGNOSTIC
896 if (sc->sc_base.me_evp == NULL) {
897 printf("wskbdread: evp == NULL\n");
898 return (EINVAL);
899 }
900 #endif
901
902 sc->sc_refcnt++;
903 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
904 if (--sc->sc_refcnt < 0) {
905 wakeup(sc);
906 error = EIO;
907 }
908 return (error);
909 }
910
911 int
912 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
913 {
914 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
915 }
916
917 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
918 int
919 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
920 struct lwp *l)
921 {
922 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
923 int error;
924
925 sc->sc_refcnt++;
926 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
927 if (--sc->sc_refcnt < 0)
928 wakeup(sc);
929 return (error);
930 }
931
932 int
933 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
934 struct lwp *l)
935 {
936
937 /*
938 * Try the generic ioctls that the wskbd interface supports.
939 */
940 switch (cmd) {
941 case FIONBIO: /* we will remove this someday (soon???) */
942 return (0);
943
944 case FIOASYNC:
945 if (sc->sc_base.me_evp == NULL)
946 return (EINVAL);
947 sc->sc_base.me_evp->async = *(int *)data != 0;
948 return (0);
949
950 case FIOSETOWN:
951 if (sc->sc_base.me_evp == NULL)
952 return (EINVAL);
953 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
954 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
955 return (EPERM);
956 return (0);
957
958 case TIOCSPGRP:
959 if (sc->sc_base.me_evp == NULL)
960 return (EINVAL);
961 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
962 return (EPERM);
963 return (0);
964 }
965
966 /*
967 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
968 * if it didn't recognize the request.
969 */
970 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
971 }
972
973 /*
974 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
975 * Some of these have no real effect in raw mode, however.
976 */
977 static int
978 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
979 struct lwp *l)
980 {
981 #ifdef WSDISPLAY_SCROLLSUPPORT
982 struct wskbd_scroll_data *usdp, *ksdp;
983 #endif
984 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
985 struct wskbd_bell_data *ubdp, *kbdp;
986 struct wskbd_keyrepeat_data *ukdp, *kkdp;
987 struct wskbd_map_data *umdp;
988 struct wskbd_mapdata md;
989 struct proc *p = l ? l->l_proc : NULL;
990 kbd_t enc;
991 void *tbuf;
992 int len, error;
993
994 switch (cmd) {
995 #define SETBELL(dstp, srcp, dfltp) \
996 do { \
997 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
998 (srcp)->pitch : (dfltp)->pitch; \
999 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1000 (srcp)->period : (dfltp)->period; \
1001 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1002 (srcp)->volume : (dfltp)->volume; \
1003 (dstp)->which = WSKBD_BELL_DOALL; \
1004 } while (0)
1005
1006 case WSKBDIO_BELL:
1007 if ((flag & FWRITE) == 0)
1008 return (EACCES);
1009 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1010 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1011
1012 case WSKBDIO_COMPLEXBELL:
1013 if ((flag & FWRITE) == 0)
1014 return (EACCES);
1015 ubdp = (struct wskbd_bell_data *)data;
1016 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1017 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1018 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1019
1020 case WSKBDIO_SETBELL:
1021 if ((flag & FWRITE) == 0)
1022 return (EACCES);
1023 kbdp = &sc->sc_bell_data;
1024 setbell:
1025 ubdp = (struct wskbd_bell_data *)data;
1026 SETBELL(kbdp, ubdp, kbdp);
1027 return (0);
1028
1029 case WSKBDIO_GETBELL:
1030 kbdp = &sc->sc_bell_data;
1031 getbell:
1032 ubdp = (struct wskbd_bell_data *)data;
1033 SETBELL(ubdp, kbdp, kbdp);
1034 return (0);
1035
1036 case WSKBDIO_SETDEFAULTBELL:
1037 if (p && (error = kauth_authorize_generic(l->l_cred,
1038 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1039 return (error);
1040 kbdp = &wskbd_default_bell_data;
1041 goto setbell;
1042
1043
1044 case WSKBDIO_GETDEFAULTBELL:
1045 kbdp = &wskbd_default_bell_data;
1046 goto getbell;
1047
1048 #undef SETBELL
1049
1050 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1051 do { \
1052 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1053 (srcp)->del1 : (dfltp)->del1; \
1054 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1055 (srcp)->delN : (dfltp)->delN; \
1056 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1057 } while (0)
1058
1059 case WSKBDIO_SETKEYREPEAT:
1060 if ((flag & FWRITE) == 0)
1061 return (EACCES);
1062 kkdp = &sc->sc_keyrepeat_data;
1063 setkeyrepeat:
1064 ukdp = (struct wskbd_keyrepeat_data *)data;
1065 SETKEYREPEAT(kkdp, ukdp, kkdp);
1066 return (0);
1067
1068 case WSKBDIO_GETKEYREPEAT:
1069 kkdp = &sc->sc_keyrepeat_data;
1070 getkeyrepeat:
1071 ukdp = (struct wskbd_keyrepeat_data *)data;
1072 SETKEYREPEAT(ukdp, kkdp, kkdp);
1073 return (0);
1074
1075 case WSKBDIO_SETDEFAULTKEYREPEAT:
1076 if ((error = kauth_authorize_generic(l->l_cred,
1077 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1078 return (error);
1079 kkdp = &wskbd_default_keyrepeat_data;
1080 goto setkeyrepeat;
1081
1082
1083 case WSKBDIO_GETDEFAULTKEYREPEAT:
1084 kkdp = &wskbd_default_keyrepeat_data;
1085 goto getkeyrepeat;
1086
1087 #ifdef WSDISPLAY_SCROLLSUPPORT
1088 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1089 do { \
1090 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1091 (srcp)->mode : (dfltp)->mode; \
1092 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1093 (srcp)->modifier : (dfltp)->modifier; \
1094 (dstp)->which = WSKBD_SCROLL_DOALL; \
1095 } while (0)
1096
1097 case WSKBDIO_SETSCROLL:
1098 usdp = (struct wskbd_scroll_data *)data;
1099 ksdp = &sc->sc_scroll_data;
1100 SETSCROLLMOD(ksdp, usdp, ksdp);
1101 return (0);
1102
1103 case WSKBDIO_GETSCROLL:
1104 usdp = (struct wskbd_scroll_data *)data;
1105 ksdp = &sc->sc_scroll_data;
1106 SETSCROLLMOD(usdp, ksdp, ksdp);
1107 return (0);
1108 #else
1109 case WSKBDIO_GETSCROLL:
1110 case WSKBDIO_SETSCROLL:
1111 return ENODEV;
1112 #endif
1113
1114 #undef SETKEYREPEAT
1115
1116 case WSKBDIO_SETMAP:
1117 if ((flag & FWRITE) == 0)
1118 return (EACCES);
1119 umdp = (struct wskbd_map_data *)data;
1120 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1121 return (EINVAL);
1122
1123 len = umdp->maplen*sizeof(struct wscons_keymap);
1124 tbuf = malloc(len, M_TEMP, M_WAITOK);
1125 error = copyin(umdp->map, tbuf, len);
1126 if (error == 0) {
1127 wskbd_init_keymap(umdp->maplen,
1128 &sc->sc_map, &sc->sc_maplen);
1129 memcpy(sc->sc_map, tbuf, len);
1130 /* drop the variant bits handled by the map */
1131 sc->sc_layout = KB_USER |
1132 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1133 wskbd_update_layout(sc->id, sc->sc_layout);
1134 }
1135 free(tbuf, M_TEMP);
1136 return(error);
1137
1138 case WSKBDIO_GETMAP:
1139 umdp = (struct wskbd_map_data *)data;
1140 if (umdp->maplen > sc->sc_maplen)
1141 umdp->maplen = sc->sc_maplen;
1142 error = copyout(sc->sc_map, umdp->map,
1143 umdp->maplen*sizeof(struct wscons_keymap));
1144 return(error);
1145
1146 case WSKBDIO_GETENCODING:
1147 *((kbd_t *) data) = sc->sc_layout;
1148 return(0);
1149
1150 case WSKBDIO_SETENCODING:
1151 if ((flag & FWRITE) == 0)
1152 return (EACCES);
1153 enc = *((kbd_t *)data);
1154 if (KB_ENCODING(enc) == KB_USER) {
1155 /* user map must already be loaded */
1156 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1157 return (EINVAL);
1158 /* map variants make no sense */
1159 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1160 return (EINVAL);
1161 } else {
1162 md = *(sc->id->t_keymap); /* structure assignment */
1163 md.layout = enc;
1164 error = wskbd_load_keymap(&md, &sc->sc_map,
1165 &sc->sc_maplen);
1166 if (error)
1167 return (error);
1168 }
1169 sc->sc_layout = enc;
1170 wskbd_update_layout(sc->id, enc);
1171 return (0);
1172 }
1173
1174 /*
1175 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1176 * if it didn't recognize the request, and in turn we return
1177 * -1 if we didn't recognize the request.
1178 */
1179 /* printf("kbdaccess\n"); */
1180 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1181 flag, l);
1182 #ifdef WSDISPLAY_COMPAT_RAWKBD
1183 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1184 int s = spltty();
1185 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1186 | MOD_CONTROL_L | MOD_CONTROL_R
1187 | MOD_META_L | MOD_META_R
1188 | MOD_COMMAND
1189 | MOD_COMMAND1 | MOD_COMMAND2);
1190 if (sc->sc_repeating) {
1191 sc->sc_repeating = 0;
1192 callout_stop(&sc->sc_repeat_ch);
1193 }
1194 splx(s);
1195 }
1196 #endif
1197 return (error);
1198 }
1199
1200 int
1201 wskbdpoll(dev_t dev, int events, struct lwp *l)
1202 {
1203 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1204
1205 if (sc->sc_base.me_evp == NULL)
1206 return (POLLERR);
1207 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1208 }
1209
1210 int
1211 wskbdkqfilter(dev_t dev, struct knote *kn)
1212 {
1213 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1214
1215 if (sc->sc_base.me_evp == NULL)
1216 return (1);
1217 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1218 }
1219
1220 #if NWSDISPLAY > 0
1221
1222 int
1223 wskbd_pickfree(void)
1224 {
1225 int i;
1226 struct wskbd_softc *sc;
1227
1228 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1229 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1230 continue;
1231 if (sc->sc_base.me_dispdv == NULL)
1232 return (i);
1233 }
1234 return (-1);
1235 }
1236
1237 struct wsevsrc *
1238 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1239 {
1240 struct wskbd_softc *sc = wskbd_console_device;
1241
1242 if (sc == NULL)
1243 return (NULL);
1244 sc->sc_base.me_dispdv = displaydv;
1245 #if NWSMUX > 0
1246 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1247 #endif
1248 return (&sc->sc_base);
1249 }
1250
1251 int
1252 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1253 {
1254 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1255 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1256 struct device *odisplaydv;
1257 int error;
1258
1259 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1260 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1261 sc->sc_isconsole));
1262
1263 if (sc->sc_isconsole)
1264 return (EBUSY);
1265
1266 if (displaydv != NULL) {
1267 if (sc->sc_base.me_dispdv != NULL)
1268 return (EBUSY);
1269 } else {
1270 if (sc->sc_base.me_dispdv == NULL)
1271 return (ENXIO);
1272 }
1273
1274 odisplaydv = sc->sc_base.me_dispdv;
1275 sc->sc_base.me_dispdv = NULL;
1276 error = wskbd_enable(sc, displaydv != NULL);
1277 sc->sc_base.me_dispdv = displaydv;
1278 if (error) {
1279 sc->sc_base.me_dispdv = odisplaydv;
1280 return (error);
1281 }
1282
1283 if (displaydv)
1284 aprint_verbose("%s: connecting to %s\n",
1285 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1286 else
1287 aprint_verbose("%s: disconnecting from %s\n",
1288 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1289
1290 return (0);
1291 }
1292
1293 #endif /* NWSDISPLAY > 0 */
1294
1295 #if NWSMUX > 0
1296 int
1297 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1298 {
1299 struct wskbd_softc *sc;
1300
1301 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1302 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1303 return (ENXIO);
1304
1305 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1306 return (EBUSY);
1307
1308 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1309 }
1310 #endif
1311
1312 /*
1313 * Console interface.
1314 */
1315 int
1316 wskbd_cngetc(dev_t dev)
1317 {
1318 static int num = 0;
1319 static int pos;
1320 u_int type;
1321 int data;
1322 keysym_t ks;
1323
1324 if (!wskbd_console_initted)
1325 return 0;
1326
1327 if (wskbd_console_device != NULL &&
1328 !wskbd_console_device->sc_translating)
1329 return 0;
1330
1331 for(;;) {
1332 if (num-- > 0) {
1333 ks = wskbd_console_data.t_symbols[pos++];
1334 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1335 return (KS_VALUE(ks));
1336 } else {
1337 (*wskbd_console_data.t_consops->getc)
1338 (wskbd_console_data.t_consaccesscookie,
1339 &type, &data);
1340 if (type == WSCONS_EVENT_ASCII) {
1341 /*
1342 * We assume that when the driver falls back
1343 * to deliver pure ASCII it is in a state that
1344 * it can not track press/release events
1345 * reliable - so we clear all previously
1346 * accumulated modifier state.
1347 */
1348 wskbd_console_data.t_modifiers = 0;
1349 return(data);
1350 }
1351 num = wskbd_translate(&wskbd_console_data, type, data);
1352 pos = 0;
1353 }
1354 }
1355 }
1356
1357 void
1358 wskbd_cnpollc(dev_t dev, int poll)
1359 {
1360
1361 if (!wskbd_console_initted)
1362 return;
1363
1364 if (wskbd_console_device != NULL &&
1365 !wskbd_console_device->sc_translating)
1366 return;
1367
1368 (*wskbd_console_data.t_consops->pollc)
1369 (wskbd_console_data.t_consaccesscookie, poll);
1370 }
1371
1372 void
1373 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1374 {
1375
1376 if (!wskbd_console_initted)
1377 return;
1378
1379 if (wskbd_console_data.t_consops->bell != NULL)
1380 (*wskbd_console_data.t_consops->bell)
1381 (wskbd_console_data.t_consaccesscookie, pitch, period,
1382 volume);
1383 }
1384
1385 static inline void
1386 update_leds(struct wskbd_internal *id)
1387 {
1388 int new_state;
1389
1390 new_state = 0;
1391 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1392 new_state |= WSKBD_LED_CAPS;
1393 if (id->t_modifiers & MOD_NUMLOCK)
1394 new_state |= WSKBD_LED_NUM;
1395 if (id->t_modifiers & MOD_COMPOSE)
1396 new_state |= WSKBD_LED_COMPOSE;
1397 if (id->t_modifiers & MOD_HOLDSCREEN)
1398 new_state |= WSKBD_LED_SCROLL;
1399
1400 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1401 (*id->t_sc->sc_accessops->set_leds)
1402 (id->t_sc->sc_accesscookie, new_state);
1403 id->t_sc->sc_ledstate = new_state;
1404 }
1405 }
1406
1407 static inline void
1408 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1409 {
1410 if (toggle) {
1411 if (type == WSCONS_EVENT_KEY_DOWN)
1412 id->t_modifiers ^= mask;
1413 } else {
1414 if (type == WSCONS_EVENT_KEY_DOWN)
1415 id->t_modifiers |= mask;
1416 else
1417 id->t_modifiers &= ~mask;
1418 }
1419 }
1420
1421 #if NWSDISPLAY > 0
1422 static void
1423 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1424 int wraparound)
1425 {
1426 int res;
1427 struct wsdisplay_param dp;
1428
1429 dp.param = param;
1430 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1431
1432 if (res == EINVAL)
1433 return; /* no such parameter */
1434
1435 dp.curval += updown;
1436 if (dp.max < dp.curval)
1437 dp.curval = wraparound ? dp.min : dp.max;
1438 else
1439 if (dp.curval < dp.min)
1440 dp.curval = wraparound ? dp.max : dp.min;
1441 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1442 }
1443 #endif
1444
1445 static int
1446 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1447 keysym_t ksym2)
1448 {
1449 #ifdef WSDISPLAY_SCROLLSUPPORT
1450 u_int state = 0;
1451 #endif
1452 switch (ksym) {
1453 #ifdef WSDISPLAY_SCROLLSUPPORT
1454 case KS_Cmd_ScrollFastUp:
1455 case KS_Cmd_ScrollFastDown:
1456 if (*type == WSCONS_EVENT_KEY_DOWN) {
1457 GETMODSTATE(sc->id->t_modifiers, state);
1458 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1459 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1460 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1461 && sc->sc_scroll_data.modifier == state)) {
1462 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1463 wsdisplay_scroll(sc->sc_base.me_dispdv,
1464 (ksym == KS_Cmd_ScrollFastUp) ?
1465 WSDISPLAY_SCROLL_BACKWARD :
1466 WSDISPLAY_SCROLL_FORWARD);
1467 return (1);
1468 } else {
1469 return (0);
1470 }
1471 }
1472
1473 case KS_Cmd_ScrollSlowUp:
1474 case KS_Cmd_ScrollSlowDown:
1475 if (*type == WSCONS_EVENT_KEY_DOWN) {
1476 GETMODSTATE(sc->id->t_modifiers, state);
1477 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1478 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1479 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1480 && sc->sc_scroll_data.modifier == state)) {
1481 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1482 wsdisplay_scroll(sc->sc_base.me_dispdv,
1483 (ksym == KS_Cmd_ScrollSlowUp) ?
1484 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1485 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1486 return (1);
1487 } else {
1488 return (0);
1489 }
1490 }
1491 #endif
1492
1493 case KS_Cmd:
1494 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1495 ksym = ksym2;
1496 break;
1497
1498 case KS_Cmd1:
1499 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1500 break;
1501
1502 case KS_Cmd2:
1503 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1504 break;
1505 }
1506
1507 if (*type != WSCONS_EVENT_KEY_DOWN ||
1508 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1509 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1510 return (0);
1511
1512 #if defined(DDB) || defined(KGDB)
1513 if (ksym == KS_Cmd_Debugger) {
1514 if (sc->sc_isconsole) {
1515 #ifdef DDB
1516 console_debugger();
1517 #endif
1518 #ifdef KGDB
1519 kgdb_connect(1);
1520 #endif
1521 }
1522 /* discard this key (ddb discarded command modifiers) */
1523 *type = WSCONS_EVENT_KEY_UP;
1524 return (1);
1525 }
1526 #endif
1527
1528 #if NWSDISPLAY > 0
1529 if (sc->sc_base.me_dispdv == NULL)
1530 return (0);
1531
1532 switch (ksym) {
1533 case KS_Cmd_Screen0:
1534 case KS_Cmd_Screen1:
1535 case KS_Cmd_Screen2:
1536 case KS_Cmd_Screen3:
1537 case KS_Cmd_Screen4:
1538 case KS_Cmd_Screen5:
1539 case KS_Cmd_Screen6:
1540 case KS_Cmd_Screen7:
1541 case KS_Cmd_Screen8:
1542 case KS_Cmd_Screen9:
1543 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1544 return (1);
1545 case KS_Cmd_ResetEmul:
1546 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1547 return (1);
1548 case KS_Cmd_ResetClose:
1549 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1550 return (1);
1551 case KS_Cmd_BacklightOn:
1552 case KS_Cmd_BacklightOff:
1553 case KS_Cmd_BacklightToggle:
1554 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1555 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1556 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1557 return (1);
1558 case KS_Cmd_BrightnessUp:
1559 case KS_Cmd_BrightnessDown:
1560 case KS_Cmd_BrightnessRotate:
1561 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1562 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1563 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1564 return (1);
1565 case KS_Cmd_ContrastUp:
1566 case KS_Cmd_ContrastDown:
1567 case KS_Cmd_ContrastRotate:
1568 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1569 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1570 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1571 return (1);
1572 }
1573 #endif
1574
1575 return (0);
1576 }
1577
1578 static int
1579 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1580 {
1581 struct wskbd_softc *sc = id->t_sc;
1582 keysym_t ksym, res, *group;
1583 struct wscons_keymap kpbuf, *kp;
1584 int iscommand = 0;
1585
1586 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1587 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1588 | MOD_CONTROL_L | MOD_CONTROL_R
1589 | MOD_META_L | MOD_META_R
1590 | MOD_MODESHIFT
1591 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1592 update_leds(id);
1593 return (0);
1594 }
1595
1596 if (sc != NULL) {
1597 if (value < 0 || value >= sc->sc_maplen) {
1598 #ifdef DEBUG
1599 printf("wskbd_translate: keycode %d out of range\n",
1600 value);
1601 #endif
1602 return (0);
1603 }
1604 kp = sc->sc_map + value;
1605 } else {
1606 kp = &kpbuf;
1607 wskbd_get_mapentry(id->t_keymap, value, kp);
1608 }
1609
1610 /* if this key has a command, process it first */
1611 if (sc != NULL && kp->command != KS_voidSymbol)
1612 iscommand = internal_command(sc, &type, kp->command,
1613 kp->group1[0]);
1614
1615 /* Now update modifiers */
1616 switch (kp->group1[0]) {
1617 case KS_Shift_L:
1618 update_modifier(id, type, 0, MOD_SHIFT_L);
1619 break;
1620
1621 case KS_Shift_R:
1622 update_modifier(id, type, 0, MOD_SHIFT_R);
1623 break;
1624
1625 case KS_Shift_Lock:
1626 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1627 break;
1628
1629 case KS_Caps_Lock:
1630 update_modifier(id, type, 1, MOD_CAPSLOCK);
1631 break;
1632
1633 case KS_Control_L:
1634 update_modifier(id, type, 0, MOD_CONTROL_L);
1635 break;
1636
1637 case KS_Control_R:
1638 update_modifier(id, type, 0, MOD_CONTROL_R);
1639 break;
1640
1641 case KS_Alt_L:
1642 update_modifier(id, type, 0, MOD_META_L);
1643 break;
1644
1645 case KS_Alt_R:
1646 update_modifier(id, type, 0, MOD_META_R);
1647 break;
1648
1649 case KS_Mode_switch:
1650 update_modifier(id, type, 0, MOD_MODESHIFT);
1651 break;
1652
1653 case KS_Num_Lock:
1654 update_modifier(id, type, 1, MOD_NUMLOCK);
1655 break;
1656
1657 #if NWSDISPLAY > 0
1658 case KS_Hold_Screen:
1659 if (sc != NULL) {
1660 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1661 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1662 }
1663 break;
1664 #endif
1665 }
1666
1667 /* If this is a key release or we are in command mode, we are done */
1668 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1669 update_leds(id);
1670 return (0);
1671 }
1672
1673 /* Get the keysym */
1674 if (id->t_modifiers & MOD_MODESHIFT)
1675 group = & kp->group2[0];
1676 else
1677 group = & kp->group1[0];
1678
1679 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1680 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1681 if (MOD_ONESET(id, MOD_ANYSHIFT))
1682 ksym = group[0];
1683 else
1684 ksym = group[1];
1685 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1686 ksym = group[0];
1687 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1688 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1689 ksym = group[0];
1690 else
1691 ksym = group[1];
1692 if (ksym >= KS_a && ksym <= KS_z)
1693 ksym += KS_A - KS_a;
1694 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1695 ksym != KS_division)
1696 ksym += KS_Agrave - KS_agrave;
1697 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1698 ksym = group[1];
1699 } else {
1700 ksym = group[0];
1701 }
1702
1703 /* Process compose sequence and dead accents */
1704 res = KS_voidSymbol;
1705
1706 switch (KS_GROUP(ksym)) {
1707 case KS_GROUP_Ascii:
1708 case KS_GROUP_Keypad:
1709 case KS_GROUP_Function:
1710 res = ksym;
1711 break;
1712
1713 case KS_GROUP_Mod:
1714 if (ksym == KS_Multi_key) {
1715 update_modifier(id, 1, 0, MOD_COMPOSE);
1716 id->t_composelen = 2;
1717 }
1718 break;
1719
1720 case KS_GROUP_Dead:
1721 if (id->t_composelen == 0) {
1722 update_modifier(id, 1, 0, MOD_COMPOSE);
1723 id->t_composelen = 1;
1724 id->t_composebuf[0] = ksym;
1725 } else
1726 res = ksym;
1727 break;
1728 }
1729
1730 if (res == KS_voidSymbol) {
1731 update_leds(id);
1732 return (0);
1733 }
1734
1735 if (id->t_composelen > 0) {
1736 id->t_composebuf[2 - id->t_composelen] = res;
1737 if (--id->t_composelen == 0) {
1738 res = wskbd_compose_value(id->t_composebuf);
1739 update_modifier(id, 0, 0, MOD_COMPOSE);
1740 } else {
1741 return (0);
1742 }
1743 }
1744
1745 update_leds(id);
1746
1747 /* We are done, return the symbol */
1748 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1749 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1750 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1751 res = res & 0x1f;
1752 else if (res == KS_2)
1753 res = 0x00;
1754 else if (res >= KS_3 && res <= KS_7)
1755 res = KS_Escape + (res - KS_3);
1756 else if (res == KS_8)
1757 res = KS_Delete;
1758 }
1759 if (MOD_ONESET(id, MOD_ANYMETA)) {
1760 if (id->t_flags & WSKFL_METAESC) {
1761 id->t_symbols[0] = KS_Escape;
1762 id->t_symbols[1] = res;
1763 return (2);
1764 } else
1765 res |= 0x80;
1766 }
1767 }
1768
1769 id->t_symbols[0] = res;
1770 return (1);
1771 }
1772