wskbd.c revision 1.108 1 /* $NetBSD: wskbd.c,v 1.108 2007/12/01 05:22:02 jmcneill 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 1.108 2007/12/01 05:22:02 jmcneill 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 aprint_normal(" mux %d", mux);
401 #else
402 if (device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
403 aprint_normal(" (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 aprint_naive(": console keyboard");
447 aprint_normal(": console keyboard");
448
449 #if NWSDISPLAY > 0
450 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
451 if (sc->sc_base.me_dispdv != NULL)
452 aprint_normal(", using %s",
453 sc->sc_base.me_dispdv->dv_xname);
454 #endif
455 }
456 aprint_naive("\n");
457 aprint_normal("\n");
458
459 #if NWSMUX > 0
460 if (mux >= 0) {
461 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
462 if (error)
463 printf("%s: attach error=%d\n",
464 sc->sc_base.me_dv.dv_xname, error);
465 }
466 #endif
467 }
468
469 void
470 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
471 const struct wskbd_mapdata *mapdata)
472 {
473 KASSERT(!wskbd_console_initted);
474
475 wskbd_console_data.t_keymap = mapdata;
476 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
477
478 wskbd_console_data.t_consops = consops;
479 wskbd_console_data.t_consaccesscookie = conscookie;
480
481 #if NWSDISPLAY > 0
482 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
483 #endif
484
485 wskbd_console_initted = 1;
486 }
487
488 void
489 wskbd_cndetach(void)
490 {
491 KASSERT(wskbd_console_initted);
492
493 wskbd_console_data.t_keymap = 0;
494
495 wskbd_console_data.t_consops = 0;
496 wskbd_console_data.t_consaccesscookie = 0;
497
498 #if NWSDISPLAY > 0
499 wsdisplay_unset_cons_kbd();
500 #endif
501
502 wskbd_console_initted = 0;
503 }
504
505 static void
506 wskbd_repeat(void *v)
507 {
508 struct wskbd_softc *sc = (struct wskbd_softc *)v;
509 int s = spltty();
510
511 if (!sc->sc_repeating) {
512 /*
513 * race condition: a "key up" event came in when wskbd_repeat()
514 * was already called but not yet spltty()'d
515 */
516 splx(s);
517 return;
518 }
519 if (sc->sc_translating) {
520 /* deliver keys */
521 #if NWSDISPLAY > 0
522 if (sc->sc_base.me_dispdv != NULL) {
523 int i;
524 for (i = 0; i < sc->sc_repeating; i++)
525 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
526 sc->id->t_symbols[i]);
527 }
528 #endif
529 } else {
530 #if defined(WSKBD_EVENT_AUTOREPEAT)
531 /* queue event */
532 wskbd_deliver_event(sc, sc->sc_repeat_type,
533 sc->sc_repeat_value);
534 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
535 }
536 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
537 splx(s);
538 }
539
540 int
541 wskbd_activate(struct device *self, enum devact act)
542 {
543 struct wskbd_softc *sc = (struct wskbd_softc *)self;
544
545 if (act == DVACT_DEACTIVATE)
546 sc->sc_dying = 1;
547 return (0);
548 }
549
550 /*
551 * Detach a keyboard. To keep track of users of the softc we keep
552 * a reference count that's incremented while inside, e.g., read.
553 * If the keyboard is active and the reference count is > 0 (0 is the
554 * normal state) we post an event and then wait for the process
555 * that had the reference to wake us up again. Then we blow away the
556 * vnode and return (which will deallocate the softc).
557 */
558 int
559 wskbd_detach(struct device *self, int flags)
560 {
561 struct wskbd_softc *sc = (struct wskbd_softc *)self;
562 struct wseventvar *evar;
563 int maj, mn;
564 int s;
565
566 #if NWSMUX > 0
567 /* Tell parent mux we're leaving. */
568 if (sc->sc_base.me_parent != NULL)
569 wsmux_detach_sc(&sc->sc_base);
570 #endif
571
572 callout_stop(&sc->sc_repeat_ch);
573 callout_destroy(&sc->sc_repeat_ch);
574
575 if (sc->sc_isconsole) {
576 KASSERT(wskbd_console_device == sc);
577 wskbd_console_device = NULL;
578 }
579
580 evar = sc->sc_base.me_evp;
581 if (evar != NULL && evar->io != NULL) {
582 s = spltty();
583 if (--sc->sc_refcnt >= 0) {
584 struct wscons_event event;
585
586 /* Wake everyone by generating a dummy event. */
587 event.type = 0;
588 event.value = 0;
589 if (wsevent_inject(evar, &event, 1) != 0)
590 wsevent_wakeup(evar);
591
592 /* Wait for processes to go away. */
593 if (tsleep(sc, PZERO, "wskdet", hz * 60))
594 printf("wskbd_detach: %s didn't detach\n",
595 sc->sc_base.me_dv.dv_xname);
596 }
597 splx(s);
598 }
599
600 /* locate the major number */
601 maj = cdevsw_lookup_major(&wskbd_cdevsw);
602
603 /* Nuke the vnodes for any open instances. */
604 mn = device_unit(self);
605 vdevgone(maj, mn, mn, VCHR);
606
607 return (0);
608 }
609
610 void
611 wskbd_input(struct device *dev, u_int type, int value)
612 {
613 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
614 #if NWSDISPLAY > 0
615 int num, i;
616 #endif
617
618 if (sc->sc_repeating) {
619 sc->sc_repeating = 0;
620 callout_stop(&sc->sc_repeat_ch);
621 }
622
623 #if NWSDISPLAY > 0
624 /*
625 * If /dev/wskbdN is not connected in event mode translate and
626 * send upstream.
627 */
628 if (sc->sc_translating) {
629 num = wskbd_translate(sc->id, type, value);
630 if (num > 0) {
631 if (sc->sc_base.me_dispdv != NULL) {
632 #ifdef WSDISPLAY_SCROLLSUPPORT
633 if (sc->id->t_symbols [0] != KS_Print_Screen) {
634 wsdisplay_scroll(sc->sc_base.
635 me_dispdv, WSDISPLAY_SCROLL_RESET);
636 }
637 #endif
638 for (i = 0; i < num; i++)
639 wsdisplay_kbdinput(
640 sc->sc_base.me_dispdv,
641 sc->id->t_symbols[i]);
642 }
643
644 if (sc->sc_keyrepeat_data.del1 != 0) {
645 sc->sc_repeating = num;
646 callout_schedule(&sc->sc_repeat_ch,
647 mstohz(sc->sc_keyrepeat_data.del1));
648 }
649 }
650 return;
651 }
652 #endif
653
654 wskbd_deliver_event(sc, type, value);
655
656 #if defined(WSKBD_EVENT_AUTOREPEAT)
657 /* Repeat key presses if set. */
658 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
659 sc->sc_repeat_type = type;
660 sc->sc_repeat_value = value;
661 sc->sc_repeating = 1;
662 callout_schedule(&sc->sc_repeat_ch,
663 mstohz(sc->sc_keyrepeat_data.del1));
664 }
665 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
666 }
667
668 /*
669 * Keyboard is generating events. Turn this keystroke into an
670 * event and put it in the queue. If the queue is full, the
671 * keystroke is lost (sorry!).
672 */
673 static void
674 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
675 {
676 struct wseventvar *evar;
677 struct wscons_event event;
678
679 evar = sc->sc_base.me_evp;
680
681 if (evar == NULL) {
682 DPRINTF(("wskbd_input: not open\n"));
683 return;
684 }
685
686 #ifdef DIAGNOSTIC
687 if (evar->q == NULL) {
688 printf("wskbd_input: evar->q=NULL\n");
689 return;
690 }
691 #endif
692
693 event.type = type;
694 event.value = value;
695 if (wsevent_inject(evar, &event, 1) != 0)
696 log(LOG_WARNING, "%s: event queue overflow\n",
697 sc->sc_base.me_dv.dv_xname);
698 }
699
700 #ifdef WSDISPLAY_COMPAT_RAWKBD
701 void
702 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
703 {
704 #if NWSDISPLAY > 0
705 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
706 int i;
707
708 if (sc->sc_base.me_dispdv != NULL)
709 for (i = 0; i < len; i++)
710 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
711 /* this is KS_GROUP_Ascii */
712 #endif
713 }
714 #endif /* WSDISPLAY_COMPAT_RAWKBD */
715
716 #if NWSDISPLAY > 0
717 static void
718 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
719 {
720 int new_state;
721
722 if (sc->sc_base.me_dispdv != NULL) {
723 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
724 new_state = sc->sc_ledstate;
725 if (hold) {
726 #ifdef WSDISPLAY_SCROLLSUPPORT
727 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
728 #endif
729 new_state |= WSKBD_LED_SCROLL;
730 } else {
731 #ifdef WSDISPLAY_SCROLLSUPPORT
732 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
733 #endif
734 new_state &= ~WSKBD_LED_SCROLL;
735 }
736 if (new_state != sc->sc_ledstate) {
737 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
738 new_state);
739 sc->sc_ledstate = new_state;
740 #ifdef WSDISPLAY_SCROLLSUPPORT
741 if (!hold)
742 wsdisplay_scroll(sc->sc_base.me_dispdv,
743 WSDISPLAY_SCROLL_RESET);
744 #endif
745 }
746 }
747 }
748 #endif
749
750 static int
751 wskbd_enable(struct wskbd_softc *sc, int on)
752 {
753 int error;
754
755 #if 0
756 /* I don't understand the purpose of this code. And it seems to
757 * break things, so it's out. -- Lennart
758 */
759 if (!on && (!sc->sc_translating
760 #if NWSDISPLAY > 0
761 || sc->sc_base.me_dispdv
762 #endif
763 ))
764 return (EBUSY);
765 #endif
766 #if NWSDISPLAY > 0
767 if (sc->sc_base.me_dispdv != NULL)
768 return (0);
769 #endif
770
771 /* Always cancel auto repeat when fiddling with the kbd. */
772 if (sc->sc_repeating) {
773 sc->sc_repeating = 0;
774 callout_stop(&sc->sc_repeat_ch);
775 }
776
777 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
778 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
779 return (error);
780 }
781
782 #if NWSMUX > 0
783 int
784 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
785 {
786 struct wskbd_softc *sc = (struct wskbd_softc *)me;
787
788 if (sc->sc_dying)
789 return (EIO);
790
791 if (sc->sc_base.me_evp != NULL)
792 return (EBUSY);
793
794 return (wskbd_do_open(sc, evp));
795 }
796 #endif
797
798 int
799 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
800 {
801 struct wskbd_softc *sc;
802 struct wseventvar *evar;
803 int unit, error;
804
805 unit = minor(dev);
806 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
807 (sc = wskbd_cd.cd_devs[unit]) == NULL)
808 return (ENXIO);
809
810 #if NWSMUX > 0
811 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
812 sc->sc_base.me_parent, l));
813 #endif
814
815 if (sc->sc_dying)
816 return (EIO);
817
818 if ((flags & (FREAD | FWRITE)) == FWRITE)
819 /* Not opening for read, only ioctl is available. */
820 return (0);
821
822 #if NWSMUX > 0
823 if (sc->sc_base.me_parent != NULL) {
824 /* Grab the keyboard out of the greedy hands of the mux. */
825 DPRINTF(("wskbdopen: detach\n"));
826 wsmux_detach_sc(&sc->sc_base);
827 }
828 #endif
829
830 if (sc->sc_base.me_evp != NULL)
831 return (EBUSY);
832
833 evar = &sc->sc_base.me_evar;
834 wsevent_init(evar, l->l_proc);
835
836 error = wskbd_do_open(sc, evar);
837 if (error) {
838 DPRINTF(("wskbdopen: %s open failed\n",
839 sc->sc_base.me_dv.dv_xname));
840 sc->sc_base.me_evp = NULL;
841 wsevent_fini(evar);
842 }
843 return (error);
844 }
845
846 int
847 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
848 {
849 sc->sc_base.me_evp = evp;
850 sc->sc_translating = 0;
851
852 return (wskbd_enable(sc, 1));
853 }
854
855 int
856 wskbdclose(dev_t dev, int flags, int mode,
857 struct lwp *l)
858 {
859 struct wskbd_softc *sc =
860 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
861 struct wseventvar *evar = sc->sc_base.me_evp;
862
863 if (evar == NULL)
864 /* not open for read */
865 return (0);
866
867 sc->sc_base.me_evp = NULL;
868 sc->sc_translating = 1;
869 (void)wskbd_enable(sc, 0);
870 wsevent_fini(evar);
871
872 return (0);
873 }
874
875 #if NWSMUX > 0
876 int
877 wskbd_mux_close(struct wsevsrc *me)
878 {
879 struct wskbd_softc *sc = (struct wskbd_softc *)me;
880
881 sc->sc_base.me_evp = NULL;
882 sc->sc_translating = 1;
883 (void)wskbd_enable(sc, 0);
884
885 return (0);
886 }
887 #endif
888
889 int
890 wskbdread(dev_t dev, struct uio *uio, int flags)
891 {
892 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
893 int error;
894
895 if (sc->sc_dying)
896 return (EIO);
897
898 #ifdef DIAGNOSTIC
899 if (sc->sc_base.me_evp == NULL) {
900 printf("wskbdread: evp == NULL\n");
901 return (EINVAL);
902 }
903 #endif
904
905 sc->sc_refcnt++;
906 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
907 if (--sc->sc_refcnt < 0) {
908 wakeup(sc);
909 error = EIO;
910 }
911 return (error);
912 }
913
914 int
915 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
916 {
917 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
918 }
919
920 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
921 int
922 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
923 struct lwp *l)
924 {
925 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
926 int error;
927
928 sc->sc_refcnt++;
929 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
930 if (--sc->sc_refcnt < 0)
931 wakeup(sc);
932 return (error);
933 }
934
935 int
936 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
937 struct lwp *l)
938 {
939
940 /*
941 * Try the generic ioctls that the wskbd interface supports.
942 */
943 switch (cmd) {
944 case FIONBIO: /* we will remove this someday (soon???) */
945 return (0);
946
947 case FIOASYNC:
948 if (sc->sc_base.me_evp == NULL)
949 return (EINVAL);
950 sc->sc_base.me_evp->async = *(int *)data != 0;
951 return (0);
952
953 case FIOSETOWN:
954 if (sc->sc_base.me_evp == NULL)
955 return (EINVAL);
956 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
957 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
958 return (EPERM);
959 return (0);
960
961 case TIOCSPGRP:
962 if (sc->sc_base.me_evp == NULL)
963 return (EINVAL);
964 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
965 return (EPERM);
966 return (0);
967 }
968
969 /*
970 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
971 * if it didn't recognize the request.
972 */
973 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
974 }
975
976 /*
977 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
978 * Some of these have no real effect in raw mode, however.
979 */
980 static int
981 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
982 struct lwp *l)
983 {
984 #ifdef WSDISPLAY_SCROLLSUPPORT
985 struct wskbd_scroll_data *usdp, *ksdp;
986 #endif
987 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
988 struct wskbd_bell_data *ubdp, *kbdp;
989 struct wskbd_keyrepeat_data *ukdp, *kkdp;
990 struct wskbd_map_data *umdp;
991 struct wskbd_mapdata md;
992 struct proc *p = l ? l->l_proc : NULL;
993 kbd_t enc;
994 void *tbuf;
995 int len, error;
996
997 switch (cmd) {
998 #define SETBELL(dstp, srcp, dfltp) \
999 do { \
1000 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1001 (srcp)->pitch : (dfltp)->pitch; \
1002 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1003 (srcp)->period : (dfltp)->period; \
1004 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1005 (srcp)->volume : (dfltp)->volume; \
1006 (dstp)->which = WSKBD_BELL_DOALL; \
1007 } while (0)
1008
1009 case WSKBDIO_BELL:
1010 if ((flag & FWRITE) == 0)
1011 return (EACCES);
1012 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1013 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1014
1015 case WSKBDIO_COMPLEXBELL:
1016 if ((flag & FWRITE) == 0)
1017 return (EACCES);
1018 ubdp = (struct wskbd_bell_data *)data;
1019 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1020 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1021 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1022
1023 case WSKBDIO_SETBELL:
1024 if ((flag & FWRITE) == 0)
1025 return (EACCES);
1026 kbdp = &sc->sc_bell_data;
1027 setbell:
1028 ubdp = (struct wskbd_bell_data *)data;
1029 SETBELL(kbdp, ubdp, kbdp);
1030 return (0);
1031
1032 case WSKBDIO_GETBELL:
1033 kbdp = &sc->sc_bell_data;
1034 getbell:
1035 ubdp = (struct wskbd_bell_data *)data;
1036 SETBELL(ubdp, kbdp, kbdp);
1037 return (0);
1038
1039 case WSKBDIO_SETDEFAULTBELL:
1040 if (p && (error = kauth_authorize_generic(l->l_cred,
1041 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1042 return (error);
1043 kbdp = &wskbd_default_bell_data;
1044 goto setbell;
1045
1046
1047 case WSKBDIO_GETDEFAULTBELL:
1048 kbdp = &wskbd_default_bell_data;
1049 goto getbell;
1050
1051 #undef SETBELL
1052
1053 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1054 do { \
1055 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1056 (srcp)->del1 : (dfltp)->del1; \
1057 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1058 (srcp)->delN : (dfltp)->delN; \
1059 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1060 } while (0)
1061
1062 case WSKBDIO_SETKEYREPEAT:
1063 if ((flag & FWRITE) == 0)
1064 return (EACCES);
1065 kkdp = &sc->sc_keyrepeat_data;
1066 setkeyrepeat:
1067 ukdp = (struct wskbd_keyrepeat_data *)data;
1068 SETKEYREPEAT(kkdp, ukdp, kkdp);
1069 return (0);
1070
1071 case WSKBDIO_GETKEYREPEAT:
1072 kkdp = &sc->sc_keyrepeat_data;
1073 getkeyrepeat:
1074 ukdp = (struct wskbd_keyrepeat_data *)data;
1075 SETKEYREPEAT(ukdp, kkdp, kkdp);
1076 return (0);
1077
1078 case WSKBDIO_SETDEFAULTKEYREPEAT:
1079 if ((error = kauth_authorize_generic(l->l_cred,
1080 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1081 return (error);
1082 kkdp = &wskbd_default_keyrepeat_data;
1083 goto setkeyrepeat;
1084
1085
1086 case WSKBDIO_GETDEFAULTKEYREPEAT:
1087 kkdp = &wskbd_default_keyrepeat_data;
1088 goto getkeyrepeat;
1089
1090 #ifdef WSDISPLAY_SCROLLSUPPORT
1091 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1092 do { \
1093 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1094 (srcp)->mode : (dfltp)->mode; \
1095 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1096 (srcp)->modifier : (dfltp)->modifier; \
1097 (dstp)->which = WSKBD_SCROLL_DOALL; \
1098 } while (0)
1099
1100 case WSKBDIO_SETSCROLL:
1101 usdp = (struct wskbd_scroll_data *)data;
1102 ksdp = &sc->sc_scroll_data;
1103 SETSCROLLMOD(ksdp, usdp, ksdp);
1104 return (0);
1105
1106 case WSKBDIO_GETSCROLL:
1107 usdp = (struct wskbd_scroll_data *)data;
1108 ksdp = &sc->sc_scroll_data;
1109 SETSCROLLMOD(usdp, ksdp, ksdp);
1110 return (0);
1111 #else
1112 case WSKBDIO_GETSCROLL:
1113 case WSKBDIO_SETSCROLL:
1114 return ENODEV;
1115 #endif
1116
1117 #undef SETKEYREPEAT
1118
1119 case WSKBDIO_SETMAP:
1120 if ((flag & FWRITE) == 0)
1121 return (EACCES);
1122 umdp = (struct wskbd_map_data *)data;
1123 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1124 return (EINVAL);
1125
1126 len = umdp->maplen*sizeof(struct wscons_keymap);
1127 tbuf = malloc(len, M_TEMP, M_WAITOK);
1128 error = copyin(umdp->map, tbuf, len);
1129 if (error == 0) {
1130 wskbd_init_keymap(umdp->maplen,
1131 &sc->sc_map, &sc->sc_maplen);
1132 memcpy(sc->sc_map, tbuf, len);
1133 /* drop the variant bits handled by the map */
1134 sc->sc_layout = KB_USER |
1135 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1136 wskbd_update_layout(sc->id, sc->sc_layout);
1137 }
1138 free(tbuf, M_TEMP);
1139 return(error);
1140
1141 case WSKBDIO_GETMAP:
1142 umdp = (struct wskbd_map_data *)data;
1143 if (umdp->maplen > sc->sc_maplen)
1144 umdp->maplen = sc->sc_maplen;
1145 error = copyout(sc->sc_map, umdp->map,
1146 umdp->maplen*sizeof(struct wscons_keymap));
1147 return(error);
1148
1149 case WSKBDIO_GETENCODING:
1150 *((kbd_t *) data) = sc->sc_layout;
1151 return(0);
1152
1153 case WSKBDIO_SETENCODING:
1154 if ((flag & FWRITE) == 0)
1155 return (EACCES);
1156 enc = *((kbd_t *)data);
1157 if (KB_ENCODING(enc) == KB_USER) {
1158 /* user map must already be loaded */
1159 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1160 return (EINVAL);
1161 /* map variants make no sense */
1162 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1163 return (EINVAL);
1164 } else {
1165 md = *(sc->id->t_keymap); /* structure assignment */
1166 md.layout = enc;
1167 error = wskbd_load_keymap(&md, &sc->sc_map,
1168 &sc->sc_maplen);
1169 if (error)
1170 return (error);
1171 }
1172 sc->sc_layout = enc;
1173 wskbd_update_layout(sc->id, enc);
1174 return (0);
1175 }
1176
1177 /*
1178 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1179 * if it didn't recognize the request, and in turn we return
1180 * -1 if we didn't recognize the request.
1181 */
1182 /* printf("kbdaccess\n"); */
1183 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1184 flag, l);
1185 #ifdef WSDISPLAY_COMPAT_RAWKBD
1186 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1187 int s = spltty();
1188 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1189 | MOD_CONTROL_L | MOD_CONTROL_R
1190 | MOD_META_L | MOD_META_R
1191 | MOD_COMMAND
1192 | MOD_COMMAND1 | MOD_COMMAND2);
1193 if (sc->sc_repeating) {
1194 sc->sc_repeating = 0;
1195 callout_stop(&sc->sc_repeat_ch);
1196 }
1197 splx(s);
1198 }
1199 #endif
1200 return (error);
1201 }
1202
1203 int
1204 wskbdpoll(dev_t dev, int events, struct lwp *l)
1205 {
1206 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1207
1208 if (sc->sc_base.me_evp == NULL)
1209 return (POLLERR);
1210 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1211 }
1212
1213 int
1214 wskbdkqfilter(dev_t dev, struct knote *kn)
1215 {
1216 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1217
1218 if (sc->sc_base.me_evp == NULL)
1219 return (1);
1220 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1221 }
1222
1223 #if NWSDISPLAY > 0
1224
1225 int
1226 wskbd_pickfree(void)
1227 {
1228 int i;
1229 struct wskbd_softc *sc;
1230
1231 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1232 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1233 continue;
1234 if (sc->sc_base.me_dispdv == NULL)
1235 return (i);
1236 }
1237 return (-1);
1238 }
1239
1240 struct wsevsrc *
1241 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1242 {
1243 struct wskbd_softc *sc = wskbd_console_device;
1244
1245 if (sc == NULL)
1246 return (NULL);
1247 sc->sc_base.me_dispdv = displaydv;
1248 #if NWSMUX > 0
1249 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1250 #endif
1251 return (&sc->sc_base);
1252 }
1253
1254 int
1255 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1256 {
1257 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1258 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1259 struct device *odisplaydv;
1260 int error;
1261
1262 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1263 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1264 sc->sc_isconsole));
1265
1266 if (sc->sc_isconsole)
1267 return (EBUSY);
1268
1269 if (displaydv != NULL) {
1270 if (sc->sc_base.me_dispdv != NULL)
1271 return (EBUSY);
1272 } else {
1273 if (sc->sc_base.me_dispdv == NULL)
1274 return (ENXIO);
1275 }
1276
1277 odisplaydv = sc->sc_base.me_dispdv;
1278 sc->sc_base.me_dispdv = NULL;
1279 error = wskbd_enable(sc, displaydv != NULL);
1280 sc->sc_base.me_dispdv = displaydv;
1281 if (error) {
1282 sc->sc_base.me_dispdv = odisplaydv;
1283 return (error);
1284 }
1285
1286 if (displaydv)
1287 aprint_verbose("%s: connecting to %s\n",
1288 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1289 else
1290 aprint_verbose("%s: disconnecting from %s\n",
1291 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1292
1293 return (0);
1294 }
1295
1296 #endif /* NWSDISPLAY > 0 */
1297
1298 #if NWSMUX > 0
1299 int
1300 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1301 {
1302 struct wskbd_softc *sc;
1303
1304 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1305 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1306 return (ENXIO);
1307
1308 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1309 return (EBUSY);
1310
1311 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1312 }
1313 #endif
1314
1315 /*
1316 * Console interface.
1317 */
1318 int
1319 wskbd_cngetc(dev_t dev)
1320 {
1321 static int num = 0;
1322 static int pos;
1323 u_int type;
1324 int data;
1325 keysym_t ks;
1326
1327 if (!wskbd_console_initted)
1328 return 0;
1329
1330 if (wskbd_console_device != NULL &&
1331 !wskbd_console_device->sc_translating)
1332 return 0;
1333
1334 for(;;) {
1335 if (num-- > 0) {
1336 ks = wskbd_console_data.t_symbols[pos++];
1337 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1338 return (KS_VALUE(ks));
1339 } else {
1340 (*wskbd_console_data.t_consops->getc)
1341 (wskbd_console_data.t_consaccesscookie,
1342 &type, &data);
1343 if (type == WSCONS_EVENT_ASCII) {
1344 /*
1345 * We assume that when the driver falls back
1346 * to deliver pure ASCII it is in a state that
1347 * it can not track press/release events
1348 * reliable - so we clear all previously
1349 * accumulated modifier state.
1350 */
1351 wskbd_console_data.t_modifiers = 0;
1352 return(data);
1353 }
1354 num = wskbd_translate(&wskbd_console_data, type, data);
1355 pos = 0;
1356 }
1357 }
1358 }
1359
1360 void
1361 wskbd_cnpollc(dev_t dev, int poll)
1362 {
1363
1364 if (!wskbd_console_initted)
1365 return;
1366
1367 if (wskbd_console_device != NULL &&
1368 !wskbd_console_device->sc_translating)
1369 return;
1370
1371 (*wskbd_console_data.t_consops->pollc)
1372 (wskbd_console_data.t_consaccesscookie, poll);
1373 }
1374
1375 void
1376 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1377 {
1378
1379 if (!wskbd_console_initted)
1380 return;
1381
1382 if (wskbd_console_data.t_consops->bell != NULL)
1383 (*wskbd_console_data.t_consops->bell)
1384 (wskbd_console_data.t_consaccesscookie, pitch, period,
1385 volume);
1386 }
1387
1388 static inline void
1389 update_leds(struct wskbd_internal *id)
1390 {
1391 int new_state;
1392
1393 new_state = 0;
1394 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1395 new_state |= WSKBD_LED_CAPS;
1396 if (id->t_modifiers & MOD_NUMLOCK)
1397 new_state |= WSKBD_LED_NUM;
1398 if (id->t_modifiers & MOD_COMPOSE)
1399 new_state |= WSKBD_LED_COMPOSE;
1400 if (id->t_modifiers & MOD_HOLDSCREEN)
1401 new_state |= WSKBD_LED_SCROLL;
1402
1403 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1404 (*id->t_sc->sc_accessops->set_leds)
1405 (id->t_sc->sc_accesscookie, new_state);
1406 id->t_sc->sc_ledstate = new_state;
1407 }
1408 }
1409
1410 static inline void
1411 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1412 {
1413 if (toggle) {
1414 if (type == WSCONS_EVENT_KEY_DOWN)
1415 id->t_modifiers ^= mask;
1416 } else {
1417 if (type == WSCONS_EVENT_KEY_DOWN)
1418 id->t_modifiers |= mask;
1419 else
1420 id->t_modifiers &= ~mask;
1421 }
1422 }
1423
1424 #if NWSDISPLAY > 0
1425 static void
1426 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1427 int wraparound)
1428 {
1429 int res;
1430 struct wsdisplay_param dp;
1431
1432 dp.param = param;
1433 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1434
1435 if (res == EINVAL)
1436 return; /* no such parameter */
1437
1438 dp.curval += updown;
1439 if (dp.max < dp.curval)
1440 dp.curval = wraparound ? dp.min : dp.max;
1441 else
1442 if (dp.curval < dp.min)
1443 dp.curval = wraparound ? dp.max : dp.min;
1444 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1445 }
1446 #endif
1447
1448 static int
1449 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1450 keysym_t ksym2)
1451 {
1452 #ifdef WSDISPLAY_SCROLLSUPPORT
1453 u_int state = 0;
1454 #endif
1455 switch (ksym) {
1456 #ifdef WSDISPLAY_SCROLLSUPPORT
1457 case KS_Cmd_ScrollFastUp:
1458 case KS_Cmd_ScrollFastDown:
1459 if (*type == WSCONS_EVENT_KEY_DOWN) {
1460 GETMODSTATE(sc->id->t_modifiers, state);
1461 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1462 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1463 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1464 && sc->sc_scroll_data.modifier == state)) {
1465 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1466 wsdisplay_scroll(sc->sc_base.me_dispdv,
1467 (ksym == KS_Cmd_ScrollFastUp) ?
1468 WSDISPLAY_SCROLL_BACKWARD :
1469 WSDISPLAY_SCROLL_FORWARD);
1470 return (1);
1471 } else {
1472 return (0);
1473 }
1474 }
1475
1476 case KS_Cmd_ScrollSlowUp:
1477 case KS_Cmd_ScrollSlowDown:
1478 if (*type == WSCONS_EVENT_KEY_DOWN) {
1479 GETMODSTATE(sc->id->t_modifiers, state);
1480 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1481 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1482 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1483 && sc->sc_scroll_data.modifier == state)) {
1484 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1485 wsdisplay_scroll(sc->sc_base.me_dispdv,
1486 (ksym == KS_Cmd_ScrollSlowUp) ?
1487 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1488 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1489 return (1);
1490 } else {
1491 return (0);
1492 }
1493 }
1494 #endif
1495
1496 case KS_Cmd:
1497 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1498 ksym = ksym2;
1499 break;
1500
1501 case KS_Cmd1:
1502 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1503 break;
1504
1505 case KS_Cmd2:
1506 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1507 break;
1508 }
1509
1510 if (*type != WSCONS_EVENT_KEY_DOWN ||
1511 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1512 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1513 return (0);
1514
1515 #if defined(DDB) || defined(KGDB)
1516 if (ksym == KS_Cmd_Debugger) {
1517 if (sc->sc_isconsole) {
1518 #ifdef DDB
1519 console_debugger();
1520 #endif
1521 #ifdef KGDB
1522 kgdb_connect(1);
1523 #endif
1524 }
1525 /* discard this key (ddb discarded command modifiers) */
1526 *type = WSCONS_EVENT_KEY_UP;
1527 return (1);
1528 }
1529 #endif
1530
1531 #if NWSDISPLAY > 0
1532 if (sc->sc_base.me_dispdv == NULL)
1533 return (0);
1534
1535 switch (ksym) {
1536 case KS_Cmd_Screen0:
1537 case KS_Cmd_Screen1:
1538 case KS_Cmd_Screen2:
1539 case KS_Cmd_Screen3:
1540 case KS_Cmd_Screen4:
1541 case KS_Cmd_Screen5:
1542 case KS_Cmd_Screen6:
1543 case KS_Cmd_Screen7:
1544 case KS_Cmd_Screen8:
1545 case KS_Cmd_Screen9:
1546 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1547 return (1);
1548 case KS_Cmd_ResetEmul:
1549 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1550 return (1);
1551 case KS_Cmd_ResetClose:
1552 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1553 return (1);
1554 case KS_Cmd_BacklightOn:
1555 case KS_Cmd_BacklightOff:
1556 case KS_Cmd_BacklightToggle:
1557 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1558 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1559 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1560 return (1);
1561 case KS_Cmd_BrightnessUp:
1562 case KS_Cmd_BrightnessDown:
1563 case KS_Cmd_BrightnessRotate:
1564 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1565 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1566 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1567 return (1);
1568 case KS_Cmd_ContrastUp:
1569 case KS_Cmd_ContrastDown:
1570 case KS_Cmd_ContrastRotate:
1571 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1572 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1573 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1574 return (1);
1575 }
1576 #endif
1577
1578 return (0);
1579 }
1580
1581 static int
1582 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1583 {
1584 struct wskbd_softc *sc = id->t_sc;
1585 keysym_t ksym, res, *group;
1586 struct wscons_keymap kpbuf, *kp;
1587 int iscommand = 0;
1588
1589 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1590 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1591 | MOD_CONTROL_L | MOD_CONTROL_R
1592 | MOD_META_L | MOD_META_R
1593 | MOD_MODESHIFT
1594 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1595 update_leds(id);
1596 return (0);
1597 }
1598
1599 if (sc != NULL) {
1600 if (value < 0 || value >= sc->sc_maplen) {
1601 #ifdef DEBUG
1602 printf("wskbd_translate: keycode %d out of range\n",
1603 value);
1604 #endif
1605 return (0);
1606 }
1607 kp = sc->sc_map + value;
1608 } else {
1609 kp = &kpbuf;
1610 wskbd_get_mapentry(id->t_keymap, value, kp);
1611 }
1612
1613 /* if this key has a command, process it first */
1614 if (sc != NULL && kp->command != KS_voidSymbol)
1615 iscommand = internal_command(sc, &type, kp->command,
1616 kp->group1[0]);
1617
1618 /* Now update modifiers */
1619 switch (kp->group1[0]) {
1620 case KS_Shift_L:
1621 update_modifier(id, type, 0, MOD_SHIFT_L);
1622 break;
1623
1624 case KS_Shift_R:
1625 update_modifier(id, type, 0, MOD_SHIFT_R);
1626 break;
1627
1628 case KS_Shift_Lock:
1629 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1630 break;
1631
1632 case KS_Caps_Lock:
1633 update_modifier(id, type, 1, MOD_CAPSLOCK);
1634 break;
1635
1636 case KS_Control_L:
1637 update_modifier(id, type, 0, MOD_CONTROL_L);
1638 break;
1639
1640 case KS_Control_R:
1641 update_modifier(id, type, 0, MOD_CONTROL_R);
1642 break;
1643
1644 case KS_Alt_L:
1645 update_modifier(id, type, 0, MOD_META_L);
1646 break;
1647
1648 case KS_Alt_R:
1649 update_modifier(id, type, 0, MOD_META_R);
1650 break;
1651
1652 case KS_Mode_switch:
1653 update_modifier(id, type, 0, MOD_MODESHIFT);
1654 break;
1655
1656 case KS_Num_Lock:
1657 update_modifier(id, type, 1, MOD_NUMLOCK);
1658 break;
1659
1660 #if NWSDISPLAY > 0
1661 case KS_Hold_Screen:
1662 if (sc != NULL) {
1663 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1664 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1665 }
1666 break;
1667 #endif
1668 }
1669
1670 /* If this is a key release or we are in command mode, we are done */
1671 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1672 update_leds(id);
1673 return (0);
1674 }
1675
1676 /* Get the keysym */
1677 if (id->t_modifiers & MOD_MODESHIFT)
1678 group = & kp->group2[0];
1679 else
1680 group = & kp->group1[0];
1681
1682 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1683 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1684 if (MOD_ONESET(id, MOD_ANYSHIFT))
1685 ksym = group[0];
1686 else
1687 ksym = group[1];
1688 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1689 ksym = group[0];
1690 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1691 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1692 ksym = group[0];
1693 else
1694 ksym = group[1];
1695 if (ksym >= KS_a && ksym <= KS_z)
1696 ksym += KS_A - KS_a;
1697 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1698 ksym != KS_division)
1699 ksym += KS_Agrave - KS_agrave;
1700 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1701 ksym = group[1];
1702 } else {
1703 ksym = group[0];
1704 }
1705
1706 /* Process compose sequence and dead accents */
1707 res = KS_voidSymbol;
1708
1709 switch (KS_GROUP(ksym)) {
1710 case KS_GROUP_Ascii:
1711 case KS_GROUP_Keypad:
1712 case KS_GROUP_Function:
1713 res = ksym;
1714 break;
1715
1716 case KS_GROUP_Mod:
1717 if (ksym == KS_Multi_key) {
1718 update_modifier(id, 1, 0, MOD_COMPOSE);
1719 id->t_composelen = 2;
1720 }
1721 break;
1722
1723 case KS_GROUP_Dead:
1724 if (id->t_composelen == 0) {
1725 update_modifier(id, 1, 0, MOD_COMPOSE);
1726 id->t_composelen = 1;
1727 id->t_composebuf[0] = ksym;
1728 } else
1729 res = ksym;
1730 break;
1731 }
1732
1733 if (res == KS_voidSymbol) {
1734 update_leds(id);
1735 return (0);
1736 }
1737
1738 if (id->t_composelen > 0) {
1739 id->t_composebuf[2 - id->t_composelen] = res;
1740 if (--id->t_composelen == 0) {
1741 res = wskbd_compose_value(id->t_composebuf);
1742 update_modifier(id, 0, 0, MOD_COMPOSE);
1743 } else {
1744 return (0);
1745 }
1746 }
1747
1748 update_leds(id);
1749
1750 /* We are done, return the symbol */
1751 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1752 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1753 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1754 res = res & 0x1f;
1755 else if (res == KS_2)
1756 res = 0x00;
1757 else if (res >= KS_3 && res <= KS_7)
1758 res = KS_Escape + (res - KS_3);
1759 else if (res == KS_8)
1760 res = KS_Delete;
1761 }
1762 if (MOD_ONESET(id, MOD_ANYMETA)) {
1763 if (id->t_flags & WSKFL_METAESC) {
1764 id->t_symbols[0] = KS_Escape;
1765 id->t_symbols[1] = res;
1766 return (2);
1767 } else
1768 res |= 0x80;
1769 }
1770 }
1771
1772 id->t_symbols[0] = res;
1773 return (1);
1774 }
1775