wskbd.c revision 1.109 1 /* $NetBSD: wskbd.c,v 1.109 2007/12/09 20:28:25 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 1.109 2007/12/09 20:28:25 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 if (!pmf_device_register(self, NULL, NULL))
469 aprint_error_dev(self, "couldn't establish power handler\n");
470 else if (!pmf_class_input_register(self))
471 aprint_error_dev(self, "couldn't register as input device\n");
472 }
473
474 void
475 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
476 const struct wskbd_mapdata *mapdata)
477 {
478 KASSERT(!wskbd_console_initted);
479
480 wskbd_console_data.t_keymap = mapdata;
481 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
482
483 wskbd_console_data.t_consops = consops;
484 wskbd_console_data.t_consaccesscookie = conscookie;
485
486 #if NWSDISPLAY > 0
487 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
488 #endif
489
490 wskbd_console_initted = 1;
491 }
492
493 void
494 wskbd_cndetach(void)
495 {
496 KASSERT(wskbd_console_initted);
497
498 wskbd_console_data.t_keymap = 0;
499
500 wskbd_console_data.t_consops = 0;
501 wskbd_console_data.t_consaccesscookie = 0;
502
503 #if NWSDISPLAY > 0
504 wsdisplay_unset_cons_kbd();
505 #endif
506
507 wskbd_console_initted = 0;
508 }
509
510 static void
511 wskbd_repeat(void *v)
512 {
513 struct wskbd_softc *sc = (struct wskbd_softc *)v;
514 int s = spltty();
515
516 if (!sc->sc_repeating) {
517 /*
518 * race condition: a "key up" event came in when wskbd_repeat()
519 * was already called but not yet spltty()'d
520 */
521 splx(s);
522 return;
523 }
524 if (sc->sc_translating) {
525 /* deliver keys */
526 #if NWSDISPLAY > 0
527 if (sc->sc_base.me_dispdv != NULL) {
528 int i;
529 for (i = 0; i < sc->sc_repeating; i++)
530 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
531 sc->id->t_symbols[i]);
532 }
533 #endif
534 } else {
535 #if defined(WSKBD_EVENT_AUTOREPEAT)
536 /* queue event */
537 wskbd_deliver_event(sc, sc->sc_repeat_type,
538 sc->sc_repeat_value);
539 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
540 }
541 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
542 splx(s);
543 }
544
545 int
546 wskbd_activate(struct device *self, enum devact act)
547 {
548 struct wskbd_softc *sc = (struct wskbd_softc *)self;
549
550 if (act == DVACT_DEACTIVATE)
551 sc->sc_dying = 1;
552 return (0);
553 }
554
555 /*
556 * Detach a keyboard. To keep track of users of the softc we keep
557 * a reference count that's incremented while inside, e.g., read.
558 * If the keyboard is active and the reference count is > 0 (0 is the
559 * normal state) we post an event and then wait for the process
560 * that had the reference to wake us up again. Then we blow away the
561 * vnode and return (which will deallocate the softc).
562 */
563 int
564 wskbd_detach(struct device *self, int flags)
565 {
566 struct wskbd_softc *sc = (struct wskbd_softc *)self;
567 struct wseventvar *evar;
568 int maj, mn;
569 int s;
570
571 #if NWSMUX > 0
572 /* Tell parent mux we're leaving. */
573 if (sc->sc_base.me_parent != NULL)
574 wsmux_detach_sc(&sc->sc_base);
575 #endif
576
577 callout_stop(&sc->sc_repeat_ch);
578 callout_destroy(&sc->sc_repeat_ch);
579
580 if (sc->sc_isconsole) {
581 KASSERT(wskbd_console_device == sc);
582 wskbd_console_device = NULL;
583 }
584
585 evar = sc->sc_base.me_evp;
586 if (evar != NULL && evar->io != NULL) {
587 s = spltty();
588 if (--sc->sc_refcnt >= 0) {
589 struct wscons_event event;
590
591 /* Wake everyone by generating a dummy event. */
592 event.type = 0;
593 event.value = 0;
594 if (wsevent_inject(evar, &event, 1) != 0)
595 wsevent_wakeup(evar);
596
597 /* Wait for processes to go away. */
598 if (tsleep(sc, PZERO, "wskdet", hz * 60))
599 printf("wskbd_detach: %s didn't detach\n",
600 sc->sc_base.me_dv.dv_xname);
601 }
602 splx(s);
603 }
604
605 /* locate the major number */
606 maj = cdevsw_lookup_major(&wskbd_cdevsw);
607
608 /* Nuke the vnodes for any open instances. */
609 mn = device_unit(self);
610 vdevgone(maj, mn, mn, VCHR);
611
612 return (0);
613 }
614
615 void
616 wskbd_input(struct device *dev, u_int type, int value)
617 {
618 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
619 #if NWSDISPLAY > 0
620 int num, i;
621 #endif
622
623 if (sc->sc_repeating) {
624 sc->sc_repeating = 0;
625 callout_stop(&sc->sc_repeat_ch);
626 }
627
628 device_active(dev, DVA_HARDWARE);
629
630 #if NWSDISPLAY > 0
631 /*
632 * If /dev/wskbdN is not connected in event mode translate and
633 * send upstream.
634 */
635 if (sc->sc_translating) {
636 num = wskbd_translate(sc->id, type, value);
637 if (num > 0) {
638 if (sc->sc_base.me_dispdv != NULL) {
639 #ifdef WSDISPLAY_SCROLLSUPPORT
640 if (sc->id->t_symbols [0] != KS_Print_Screen) {
641 wsdisplay_scroll(sc->sc_base.
642 me_dispdv, WSDISPLAY_SCROLL_RESET);
643 }
644 #endif
645 for (i = 0; i < num; i++)
646 wsdisplay_kbdinput(
647 sc->sc_base.me_dispdv,
648 sc->id->t_symbols[i]);
649 }
650
651 if (sc->sc_keyrepeat_data.del1 != 0) {
652 sc->sc_repeating = num;
653 callout_schedule(&sc->sc_repeat_ch,
654 mstohz(sc->sc_keyrepeat_data.del1));
655 }
656 }
657 return;
658 }
659 #endif
660
661 wskbd_deliver_event(sc, type, value);
662
663 #if defined(WSKBD_EVENT_AUTOREPEAT)
664 /* Repeat key presses if set. */
665 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
666 sc->sc_repeat_type = type;
667 sc->sc_repeat_value = value;
668 sc->sc_repeating = 1;
669 callout_schedule(&sc->sc_repeat_ch,
670 mstohz(sc->sc_keyrepeat_data.del1));
671 }
672 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
673 }
674
675 /*
676 * Keyboard is generating events. Turn this keystroke into an
677 * event and put it in the queue. If the queue is full, the
678 * keystroke is lost (sorry!).
679 */
680 static void
681 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
682 {
683 struct wseventvar *evar;
684 struct wscons_event event;
685
686 evar = sc->sc_base.me_evp;
687
688 if (evar == NULL) {
689 DPRINTF(("wskbd_input: not open\n"));
690 return;
691 }
692
693 #ifdef DIAGNOSTIC
694 if (evar->q == NULL) {
695 printf("wskbd_input: evar->q=NULL\n");
696 return;
697 }
698 #endif
699
700 event.type = type;
701 event.value = value;
702 if (wsevent_inject(evar, &event, 1) != 0)
703 log(LOG_WARNING, "%s: event queue overflow\n",
704 sc->sc_base.me_dv.dv_xname);
705 }
706
707 #ifdef WSDISPLAY_COMPAT_RAWKBD
708 void
709 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
710 {
711 #if NWSDISPLAY > 0
712 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
713 int i;
714
715 if (sc->sc_base.me_dispdv != NULL)
716 for (i = 0; i < len; i++)
717 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
718 /* this is KS_GROUP_Ascii */
719 #endif
720 }
721 #endif /* WSDISPLAY_COMPAT_RAWKBD */
722
723 #if NWSDISPLAY > 0
724 static void
725 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
726 {
727 int new_state;
728
729 if (sc->sc_base.me_dispdv != NULL) {
730 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
731 new_state = sc->sc_ledstate;
732 if (hold) {
733 #ifdef WSDISPLAY_SCROLLSUPPORT
734 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
735 #endif
736 new_state |= WSKBD_LED_SCROLL;
737 } else {
738 #ifdef WSDISPLAY_SCROLLSUPPORT
739 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
740 #endif
741 new_state &= ~WSKBD_LED_SCROLL;
742 }
743 if (new_state != sc->sc_ledstate) {
744 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
745 new_state);
746 sc->sc_ledstate = new_state;
747 #ifdef WSDISPLAY_SCROLLSUPPORT
748 if (!hold)
749 wsdisplay_scroll(sc->sc_base.me_dispdv,
750 WSDISPLAY_SCROLL_RESET);
751 #endif
752 }
753 }
754 }
755 #endif
756
757 static int
758 wskbd_enable(struct wskbd_softc *sc, int on)
759 {
760 int error;
761
762 #if 0
763 /* I don't understand the purpose of this code. And it seems to
764 * break things, so it's out. -- Lennart
765 */
766 if (!on && (!sc->sc_translating
767 #if NWSDISPLAY > 0
768 || sc->sc_base.me_dispdv
769 #endif
770 ))
771 return (EBUSY);
772 #endif
773 #if NWSDISPLAY > 0
774 if (sc->sc_base.me_dispdv != NULL)
775 return (0);
776 #endif
777
778 /* Always cancel auto repeat when fiddling with the kbd. */
779 if (sc->sc_repeating) {
780 sc->sc_repeating = 0;
781 callout_stop(&sc->sc_repeat_ch);
782 }
783
784 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
785 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
786 return (error);
787 }
788
789 #if NWSMUX > 0
790 int
791 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
792 {
793 struct wskbd_softc *sc = (struct wskbd_softc *)me;
794
795 if (sc->sc_dying)
796 return (EIO);
797
798 if (sc->sc_base.me_evp != NULL)
799 return (EBUSY);
800
801 return (wskbd_do_open(sc, evp));
802 }
803 #endif
804
805 int
806 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
807 {
808 struct wskbd_softc *sc;
809 struct wseventvar *evar;
810 int unit, error;
811
812 unit = minor(dev);
813 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
814 (sc = wskbd_cd.cd_devs[unit]) == NULL)
815 return (ENXIO);
816
817 #if NWSMUX > 0
818 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
819 sc->sc_base.me_parent, l));
820 #endif
821
822 if (sc->sc_dying)
823 return (EIO);
824
825 if ((flags & (FREAD | FWRITE)) == FWRITE)
826 /* Not opening for read, only ioctl is available. */
827 return (0);
828
829 #if NWSMUX > 0
830 if (sc->sc_base.me_parent != NULL) {
831 /* Grab the keyboard out of the greedy hands of the mux. */
832 DPRINTF(("wskbdopen: detach\n"));
833 wsmux_detach_sc(&sc->sc_base);
834 }
835 #endif
836
837 if (sc->sc_base.me_evp != NULL)
838 return (EBUSY);
839
840 evar = &sc->sc_base.me_evar;
841 wsevent_init(evar, l->l_proc);
842
843 error = wskbd_do_open(sc, evar);
844 if (error) {
845 DPRINTF(("wskbdopen: %s open failed\n",
846 sc->sc_base.me_dv.dv_xname));
847 sc->sc_base.me_evp = NULL;
848 wsevent_fini(evar);
849 }
850 return (error);
851 }
852
853 int
854 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
855 {
856 sc->sc_base.me_evp = evp;
857 sc->sc_translating = 0;
858
859 return (wskbd_enable(sc, 1));
860 }
861
862 int
863 wskbdclose(dev_t dev, int flags, int mode,
864 struct lwp *l)
865 {
866 struct wskbd_softc *sc =
867 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
868 struct wseventvar *evar = sc->sc_base.me_evp;
869
870 if (evar == NULL)
871 /* not open for read */
872 return (0);
873
874 sc->sc_base.me_evp = NULL;
875 sc->sc_translating = 1;
876 (void)wskbd_enable(sc, 0);
877 wsevent_fini(evar);
878
879 return (0);
880 }
881
882 #if NWSMUX > 0
883 int
884 wskbd_mux_close(struct wsevsrc *me)
885 {
886 struct wskbd_softc *sc = (struct wskbd_softc *)me;
887
888 sc->sc_base.me_evp = NULL;
889 sc->sc_translating = 1;
890 (void)wskbd_enable(sc, 0);
891
892 return (0);
893 }
894 #endif
895
896 int
897 wskbdread(dev_t dev, struct uio *uio, int flags)
898 {
899 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
900 int error;
901
902 if (sc->sc_dying)
903 return (EIO);
904
905 #ifdef DIAGNOSTIC
906 if (sc->sc_base.me_evp == NULL) {
907 printf("wskbdread: evp == NULL\n");
908 return (EINVAL);
909 }
910 #endif
911
912 sc->sc_refcnt++;
913 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
914 if (--sc->sc_refcnt < 0) {
915 wakeup(sc);
916 error = EIO;
917 }
918 return (error);
919 }
920
921 int
922 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
923 {
924 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
925 }
926
927 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
928 int
929 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
930 struct lwp *l)
931 {
932 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
933 int error;
934
935 sc->sc_refcnt++;
936 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
937 if (--sc->sc_refcnt < 0)
938 wakeup(sc);
939 return (error);
940 }
941
942 int
943 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
944 struct lwp *l)
945 {
946
947 /*
948 * Try the generic ioctls that the wskbd interface supports.
949 */
950 switch (cmd) {
951 case FIONBIO: /* we will remove this someday (soon???) */
952 return (0);
953
954 case FIOASYNC:
955 if (sc->sc_base.me_evp == NULL)
956 return (EINVAL);
957 sc->sc_base.me_evp->async = *(int *)data != 0;
958 return (0);
959
960 case FIOSETOWN:
961 if (sc->sc_base.me_evp == NULL)
962 return (EINVAL);
963 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
964 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
965 return (EPERM);
966 return (0);
967
968 case TIOCSPGRP:
969 if (sc->sc_base.me_evp == NULL)
970 return (EINVAL);
971 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
972 return (EPERM);
973 return (0);
974 }
975
976 /*
977 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
978 * if it didn't recognize the request.
979 */
980 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
981 }
982
983 /*
984 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
985 * Some of these have no real effect in raw mode, however.
986 */
987 static int
988 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
989 struct lwp *l)
990 {
991 #ifdef WSDISPLAY_SCROLLSUPPORT
992 struct wskbd_scroll_data *usdp, *ksdp;
993 #endif
994 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
995 struct wskbd_bell_data *ubdp, *kbdp;
996 struct wskbd_keyrepeat_data *ukdp, *kkdp;
997 struct wskbd_map_data *umdp;
998 struct wskbd_mapdata md;
999 struct proc *p = l ? l->l_proc : NULL;
1000 kbd_t enc;
1001 void *tbuf;
1002 int len, error;
1003
1004 switch (cmd) {
1005 #define SETBELL(dstp, srcp, dfltp) \
1006 do { \
1007 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1008 (srcp)->pitch : (dfltp)->pitch; \
1009 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1010 (srcp)->period : (dfltp)->period; \
1011 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1012 (srcp)->volume : (dfltp)->volume; \
1013 (dstp)->which = WSKBD_BELL_DOALL; \
1014 } while (0)
1015
1016 case WSKBDIO_BELL:
1017 if ((flag & FWRITE) == 0)
1018 return (EACCES);
1019 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1020 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1021
1022 case WSKBDIO_COMPLEXBELL:
1023 if ((flag & FWRITE) == 0)
1024 return (EACCES);
1025 ubdp = (struct wskbd_bell_data *)data;
1026 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1027 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1028 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1029
1030 case WSKBDIO_SETBELL:
1031 if ((flag & FWRITE) == 0)
1032 return (EACCES);
1033 kbdp = &sc->sc_bell_data;
1034 setbell:
1035 ubdp = (struct wskbd_bell_data *)data;
1036 SETBELL(kbdp, ubdp, kbdp);
1037 return (0);
1038
1039 case WSKBDIO_GETBELL:
1040 kbdp = &sc->sc_bell_data;
1041 getbell:
1042 ubdp = (struct wskbd_bell_data *)data;
1043 SETBELL(ubdp, kbdp, kbdp);
1044 return (0);
1045
1046 case WSKBDIO_SETDEFAULTBELL:
1047 if (p && (error = kauth_authorize_generic(l->l_cred,
1048 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1049 return (error);
1050 kbdp = &wskbd_default_bell_data;
1051 goto setbell;
1052
1053
1054 case WSKBDIO_GETDEFAULTBELL:
1055 kbdp = &wskbd_default_bell_data;
1056 goto getbell;
1057
1058 #undef SETBELL
1059
1060 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1061 do { \
1062 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1063 (srcp)->del1 : (dfltp)->del1; \
1064 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1065 (srcp)->delN : (dfltp)->delN; \
1066 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1067 } while (0)
1068
1069 case WSKBDIO_SETKEYREPEAT:
1070 if ((flag & FWRITE) == 0)
1071 return (EACCES);
1072 kkdp = &sc->sc_keyrepeat_data;
1073 setkeyrepeat:
1074 ukdp = (struct wskbd_keyrepeat_data *)data;
1075 SETKEYREPEAT(kkdp, ukdp, kkdp);
1076 return (0);
1077
1078 case WSKBDIO_GETKEYREPEAT:
1079 kkdp = &sc->sc_keyrepeat_data;
1080 getkeyrepeat:
1081 ukdp = (struct wskbd_keyrepeat_data *)data;
1082 SETKEYREPEAT(ukdp, kkdp, kkdp);
1083 return (0);
1084
1085 case WSKBDIO_SETDEFAULTKEYREPEAT:
1086 if ((error = kauth_authorize_generic(l->l_cred,
1087 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1088 return (error);
1089 kkdp = &wskbd_default_keyrepeat_data;
1090 goto setkeyrepeat;
1091
1092
1093 case WSKBDIO_GETDEFAULTKEYREPEAT:
1094 kkdp = &wskbd_default_keyrepeat_data;
1095 goto getkeyrepeat;
1096
1097 #ifdef WSDISPLAY_SCROLLSUPPORT
1098 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1099 do { \
1100 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1101 (srcp)->mode : (dfltp)->mode; \
1102 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1103 (srcp)->modifier : (dfltp)->modifier; \
1104 (dstp)->which = WSKBD_SCROLL_DOALL; \
1105 } while (0)
1106
1107 case WSKBDIO_SETSCROLL:
1108 usdp = (struct wskbd_scroll_data *)data;
1109 ksdp = &sc->sc_scroll_data;
1110 SETSCROLLMOD(ksdp, usdp, ksdp);
1111 return (0);
1112
1113 case WSKBDIO_GETSCROLL:
1114 usdp = (struct wskbd_scroll_data *)data;
1115 ksdp = &sc->sc_scroll_data;
1116 SETSCROLLMOD(usdp, ksdp, ksdp);
1117 return (0);
1118 #else
1119 case WSKBDIO_GETSCROLL:
1120 case WSKBDIO_SETSCROLL:
1121 return ENODEV;
1122 #endif
1123
1124 #undef SETKEYREPEAT
1125
1126 case WSKBDIO_SETMAP:
1127 if ((flag & FWRITE) == 0)
1128 return (EACCES);
1129 umdp = (struct wskbd_map_data *)data;
1130 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1131 return (EINVAL);
1132
1133 len = umdp->maplen*sizeof(struct wscons_keymap);
1134 tbuf = malloc(len, M_TEMP, M_WAITOK);
1135 error = copyin(umdp->map, tbuf, len);
1136 if (error == 0) {
1137 wskbd_init_keymap(umdp->maplen,
1138 &sc->sc_map, &sc->sc_maplen);
1139 memcpy(sc->sc_map, tbuf, len);
1140 /* drop the variant bits handled by the map */
1141 sc->sc_layout = KB_USER |
1142 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1143 wskbd_update_layout(sc->id, sc->sc_layout);
1144 }
1145 free(tbuf, M_TEMP);
1146 return(error);
1147
1148 case WSKBDIO_GETMAP:
1149 umdp = (struct wskbd_map_data *)data;
1150 if (umdp->maplen > sc->sc_maplen)
1151 umdp->maplen = sc->sc_maplen;
1152 error = copyout(sc->sc_map, umdp->map,
1153 umdp->maplen*sizeof(struct wscons_keymap));
1154 return(error);
1155
1156 case WSKBDIO_GETENCODING:
1157 *((kbd_t *) data) = sc->sc_layout;
1158 return(0);
1159
1160 case WSKBDIO_SETENCODING:
1161 if ((flag & FWRITE) == 0)
1162 return (EACCES);
1163 enc = *((kbd_t *)data);
1164 if (KB_ENCODING(enc) == KB_USER) {
1165 /* user map must already be loaded */
1166 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1167 return (EINVAL);
1168 /* map variants make no sense */
1169 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1170 return (EINVAL);
1171 } else {
1172 md = *(sc->id->t_keymap); /* structure assignment */
1173 md.layout = enc;
1174 error = wskbd_load_keymap(&md, &sc->sc_map,
1175 &sc->sc_maplen);
1176 if (error)
1177 return (error);
1178 }
1179 sc->sc_layout = enc;
1180 wskbd_update_layout(sc->id, enc);
1181 return (0);
1182 }
1183
1184 /*
1185 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1186 * if it didn't recognize the request, and in turn we return
1187 * -1 if we didn't recognize the request.
1188 */
1189 /* printf("kbdaccess\n"); */
1190 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1191 flag, l);
1192 #ifdef WSDISPLAY_COMPAT_RAWKBD
1193 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1194 int s = spltty();
1195 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1196 | MOD_CONTROL_L | MOD_CONTROL_R
1197 | MOD_META_L | MOD_META_R
1198 | MOD_COMMAND
1199 | MOD_COMMAND1 | MOD_COMMAND2);
1200 if (sc->sc_repeating) {
1201 sc->sc_repeating = 0;
1202 callout_stop(&sc->sc_repeat_ch);
1203 }
1204 splx(s);
1205 }
1206 #endif
1207 return (error);
1208 }
1209
1210 int
1211 wskbdpoll(dev_t dev, int events, struct lwp *l)
1212 {
1213 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1214
1215 if (sc->sc_base.me_evp == NULL)
1216 return (POLLERR);
1217 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1218 }
1219
1220 int
1221 wskbdkqfilter(dev_t dev, struct knote *kn)
1222 {
1223 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1224
1225 if (sc->sc_base.me_evp == NULL)
1226 return (1);
1227 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1228 }
1229
1230 #if NWSDISPLAY > 0
1231
1232 int
1233 wskbd_pickfree(void)
1234 {
1235 int i;
1236 struct wskbd_softc *sc;
1237
1238 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1239 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1240 continue;
1241 if (sc->sc_base.me_dispdv == NULL)
1242 return (i);
1243 }
1244 return (-1);
1245 }
1246
1247 struct wsevsrc *
1248 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1249 {
1250 struct wskbd_softc *sc = wskbd_console_device;
1251
1252 if (sc == NULL)
1253 return (NULL);
1254 sc->sc_base.me_dispdv = displaydv;
1255 #if NWSMUX > 0
1256 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1257 #endif
1258 return (&sc->sc_base);
1259 }
1260
1261 int
1262 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1263 {
1264 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1265 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1266 struct device *odisplaydv;
1267 int error;
1268
1269 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1270 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1271 sc->sc_isconsole));
1272
1273 if (sc->sc_isconsole)
1274 return (EBUSY);
1275
1276 if (displaydv != NULL) {
1277 if (sc->sc_base.me_dispdv != NULL)
1278 return (EBUSY);
1279 } else {
1280 if (sc->sc_base.me_dispdv == NULL)
1281 return (ENXIO);
1282 }
1283
1284 odisplaydv = sc->sc_base.me_dispdv;
1285 sc->sc_base.me_dispdv = NULL;
1286 error = wskbd_enable(sc, displaydv != NULL);
1287 sc->sc_base.me_dispdv = displaydv;
1288 if (error) {
1289 sc->sc_base.me_dispdv = odisplaydv;
1290 return (error);
1291 }
1292
1293 if (displaydv)
1294 aprint_verbose("%s: connecting to %s\n",
1295 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1296 else
1297 aprint_verbose("%s: disconnecting from %s\n",
1298 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1299
1300 return (0);
1301 }
1302
1303 #endif /* NWSDISPLAY > 0 */
1304
1305 #if NWSMUX > 0
1306 int
1307 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1308 {
1309 struct wskbd_softc *sc;
1310
1311 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1312 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1313 return (ENXIO);
1314
1315 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1316 return (EBUSY);
1317
1318 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1319 }
1320 #endif
1321
1322 /*
1323 * Console interface.
1324 */
1325 int
1326 wskbd_cngetc(dev_t dev)
1327 {
1328 static int num = 0;
1329 static int pos;
1330 u_int type;
1331 int data;
1332 keysym_t ks;
1333
1334 if (!wskbd_console_initted)
1335 return 0;
1336
1337 if (wskbd_console_device != NULL &&
1338 !wskbd_console_device->sc_translating)
1339 return 0;
1340
1341 for(;;) {
1342 if (num-- > 0) {
1343 ks = wskbd_console_data.t_symbols[pos++];
1344 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1345 return (KS_VALUE(ks));
1346 } else {
1347 (*wskbd_console_data.t_consops->getc)
1348 (wskbd_console_data.t_consaccesscookie,
1349 &type, &data);
1350 if (type == WSCONS_EVENT_ASCII) {
1351 /*
1352 * We assume that when the driver falls back
1353 * to deliver pure ASCII it is in a state that
1354 * it can not track press/release events
1355 * reliable - so we clear all previously
1356 * accumulated modifier state.
1357 */
1358 wskbd_console_data.t_modifiers = 0;
1359 return(data);
1360 }
1361 num = wskbd_translate(&wskbd_console_data, type, data);
1362 pos = 0;
1363 }
1364 }
1365 }
1366
1367 void
1368 wskbd_cnpollc(dev_t dev, int poll)
1369 {
1370
1371 if (!wskbd_console_initted)
1372 return;
1373
1374 if (wskbd_console_device != NULL &&
1375 !wskbd_console_device->sc_translating)
1376 return;
1377
1378 (*wskbd_console_data.t_consops->pollc)
1379 (wskbd_console_data.t_consaccesscookie, poll);
1380 }
1381
1382 void
1383 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1384 {
1385
1386 if (!wskbd_console_initted)
1387 return;
1388
1389 if (wskbd_console_data.t_consops->bell != NULL)
1390 (*wskbd_console_data.t_consops->bell)
1391 (wskbd_console_data.t_consaccesscookie, pitch, period,
1392 volume);
1393 }
1394
1395 static inline void
1396 update_leds(struct wskbd_internal *id)
1397 {
1398 int new_state;
1399
1400 new_state = 0;
1401 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1402 new_state |= WSKBD_LED_CAPS;
1403 if (id->t_modifiers & MOD_NUMLOCK)
1404 new_state |= WSKBD_LED_NUM;
1405 if (id->t_modifiers & MOD_COMPOSE)
1406 new_state |= WSKBD_LED_COMPOSE;
1407 if (id->t_modifiers & MOD_HOLDSCREEN)
1408 new_state |= WSKBD_LED_SCROLL;
1409
1410 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1411 (*id->t_sc->sc_accessops->set_leds)
1412 (id->t_sc->sc_accesscookie, new_state);
1413 id->t_sc->sc_ledstate = new_state;
1414 }
1415 }
1416
1417 static inline void
1418 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1419 {
1420 if (toggle) {
1421 if (type == WSCONS_EVENT_KEY_DOWN)
1422 id->t_modifiers ^= mask;
1423 } else {
1424 if (type == WSCONS_EVENT_KEY_DOWN)
1425 id->t_modifiers |= mask;
1426 else
1427 id->t_modifiers &= ~mask;
1428 }
1429 }
1430
1431 #if NWSDISPLAY > 0
1432 static void
1433 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1434 int wraparound)
1435 {
1436 int res;
1437 struct wsdisplay_param dp;
1438
1439 dp.param = param;
1440 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1441
1442 if (res == EINVAL)
1443 return; /* no such parameter */
1444
1445 dp.curval += updown;
1446 if (dp.max < dp.curval)
1447 dp.curval = wraparound ? dp.min : dp.max;
1448 else
1449 if (dp.curval < dp.min)
1450 dp.curval = wraparound ? dp.max : dp.min;
1451 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1452 }
1453 #endif
1454
1455 static int
1456 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1457 keysym_t ksym2)
1458 {
1459 #ifdef WSDISPLAY_SCROLLSUPPORT
1460 u_int state = 0;
1461 #endif
1462 switch (ksym) {
1463 case KS_Cmd_VolumeToggle:
1464 if (*type == WSCONS_EVENT_KEY_DOWN)
1465 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
1466 break;
1467 case KS_Cmd_VolumeUp:
1468 if (*type == WSCONS_EVENT_KEY_DOWN)
1469 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
1470 break;
1471 case KS_Cmd_VolumeDown:
1472 if (*type == WSCONS_EVENT_KEY_DOWN)
1473 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
1474 break;
1475 #ifdef WSDISPLAY_SCROLLSUPPORT
1476 case KS_Cmd_ScrollFastUp:
1477 case KS_Cmd_ScrollFastDown:
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_ScrollFastUp) ?
1487 WSDISPLAY_SCROLL_BACKWARD :
1488 WSDISPLAY_SCROLL_FORWARD);
1489 return (1);
1490 } else {
1491 return (0);
1492 }
1493 }
1494
1495 case KS_Cmd_ScrollSlowUp:
1496 case KS_Cmd_ScrollSlowDown:
1497 if (*type == WSCONS_EVENT_KEY_DOWN) {
1498 GETMODSTATE(sc->id->t_modifiers, state);
1499 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1500 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1501 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1502 && sc->sc_scroll_data.modifier == state)) {
1503 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1504 wsdisplay_scroll(sc->sc_base.me_dispdv,
1505 (ksym == KS_Cmd_ScrollSlowUp) ?
1506 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1507 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1508 return (1);
1509 } else {
1510 return (0);
1511 }
1512 }
1513 #endif
1514
1515 case KS_Cmd:
1516 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1517 ksym = ksym2;
1518 break;
1519
1520 case KS_Cmd1:
1521 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1522 break;
1523
1524 case KS_Cmd2:
1525 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1526 break;
1527 }
1528
1529 if (*type != WSCONS_EVENT_KEY_DOWN ||
1530 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1531 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1532 return (0);
1533
1534 #if defined(DDB) || defined(KGDB)
1535 if (ksym == KS_Cmd_Debugger) {
1536 if (sc->sc_isconsole) {
1537 #ifdef DDB
1538 console_debugger();
1539 #endif
1540 #ifdef KGDB
1541 kgdb_connect(1);
1542 #endif
1543 }
1544 /* discard this key (ddb discarded command modifiers) */
1545 *type = WSCONS_EVENT_KEY_UP;
1546 return (1);
1547 }
1548 #endif
1549
1550 #if NWSDISPLAY > 0
1551 if (sc->sc_base.me_dispdv == NULL)
1552 return (0);
1553
1554 switch (ksym) {
1555 case KS_Cmd_Screen0:
1556 case KS_Cmd_Screen1:
1557 case KS_Cmd_Screen2:
1558 case KS_Cmd_Screen3:
1559 case KS_Cmd_Screen4:
1560 case KS_Cmd_Screen5:
1561 case KS_Cmd_Screen6:
1562 case KS_Cmd_Screen7:
1563 case KS_Cmd_Screen8:
1564 case KS_Cmd_Screen9:
1565 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1566 return (1);
1567 case KS_Cmd_ResetEmul:
1568 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1569 return (1);
1570 case KS_Cmd_ResetClose:
1571 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1572 return (1);
1573 case KS_Cmd_BacklightOn:
1574 case KS_Cmd_BacklightOff:
1575 case KS_Cmd_BacklightToggle:
1576 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1577 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1578 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1579 return (1);
1580 case KS_Cmd_BrightnessUp:
1581 case KS_Cmd_BrightnessDown:
1582 case KS_Cmd_BrightnessRotate:
1583 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1584 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1585 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1586 return (1);
1587 case KS_Cmd_ContrastUp:
1588 case KS_Cmd_ContrastDown:
1589 case KS_Cmd_ContrastRotate:
1590 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1591 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1592 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1593 return (1);
1594 }
1595 #endif
1596
1597 return (0);
1598 }
1599
1600 static int
1601 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1602 {
1603 struct wskbd_softc *sc = id->t_sc;
1604 keysym_t ksym, res, *group;
1605 struct wscons_keymap kpbuf, *kp;
1606 int iscommand = 0;
1607
1608 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1609 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1610 | MOD_CONTROL_L | MOD_CONTROL_R
1611 | MOD_META_L | MOD_META_R
1612 | MOD_MODESHIFT
1613 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1614 update_leds(id);
1615 return (0);
1616 }
1617
1618 if (sc != NULL) {
1619 if (value < 0 || value >= sc->sc_maplen) {
1620 #ifdef DEBUG
1621 printf("wskbd_translate: keycode %d out of range\n",
1622 value);
1623 #endif
1624 return (0);
1625 }
1626 kp = sc->sc_map + value;
1627 } else {
1628 kp = &kpbuf;
1629 wskbd_get_mapentry(id->t_keymap, value, kp);
1630 }
1631
1632 /* if this key has a command, process it first */
1633 if (sc != NULL && kp->command != KS_voidSymbol)
1634 iscommand = internal_command(sc, &type, kp->command,
1635 kp->group1[0]);
1636
1637 /* Now update modifiers */
1638 switch (kp->group1[0]) {
1639 case KS_Shift_L:
1640 update_modifier(id, type, 0, MOD_SHIFT_L);
1641 break;
1642
1643 case KS_Shift_R:
1644 update_modifier(id, type, 0, MOD_SHIFT_R);
1645 break;
1646
1647 case KS_Shift_Lock:
1648 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1649 break;
1650
1651 case KS_Caps_Lock:
1652 update_modifier(id, type, 1, MOD_CAPSLOCK);
1653 break;
1654
1655 case KS_Control_L:
1656 update_modifier(id, type, 0, MOD_CONTROL_L);
1657 break;
1658
1659 case KS_Control_R:
1660 update_modifier(id, type, 0, MOD_CONTROL_R);
1661 break;
1662
1663 case KS_Alt_L:
1664 update_modifier(id, type, 0, MOD_META_L);
1665 break;
1666
1667 case KS_Alt_R:
1668 update_modifier(id, type, 0, MOD_META_R);
1669 break;
1670
1671 case KS_Mode_switch:
1672 update_modifier(id, type, 0, MOD_MODESHIFT);
1673 break;
1674
1675 case KS_Num_Lock:
1676 update_modifier(id, type, 1, MOD_NUMLOCK);
1677 break;
1678
1679 #if NWSDISPLAY > 0
1680 case KS_Hold_Screen:
1681 if (sc != NULL) {
1682 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1683 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1684 }
1685 break;
1686 #endif
1687 }
1688
1689 /* If this is a key release or we are in command mode, we are done */
1690 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1691 update_leds(id);
1692 return (0);
1693 }
1694
1695 /* Get the keysym */
1696 if (id->t_modifiers & MOD_MODESHIFT)
1697 group = & kp->group2[0];
1698 else
1699 group = & kp->group1[0];
1700
1701 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1702 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1703 if (MOD_ONESET(id, MOD_ANYSHIFT))
1704 ksym = group[0];
1705 else
1706 ksym = group[1];
1707 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1708 ksym = group[0];
1709 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1710 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1711 ksym = group[0];
1712 else
1713 ksym = group[1];
1714 if (ksym >= KS_a && ksym <= KS_z)
1715 ksym += KS_A - KS_a;
1716 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1717 ksym != KS_division)
1718 ksym += KS_Agrave - KS_agrave;
1719 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1720 ksym = group[1];
1721 } else {
1722 ksym = group[0];
1723 }
1724
1725 /* Process compose sequence and dead accents */
1726 res = KS_voidSymbol;
1727
1728 switch (KS_GROUP(ksym)) {
1729 case KS_GROUP_Ascii:
1730 case KS_GROUP_Keypad:
1731 case KS_GROUP_Function:
1732 res = ksym;
1733 break;
1734
1735 case KS_GROUP_Mod:
1736 if (ksym == KS_Multi_key) {
1737 update_modifier(id, 1, 0, MOD_COMPOSE);
1738 id->t_composelen = 2;
1739 }
1740 break;
1741
1742 case KS_GROUP_Dead:
1743 if (id->t_composelen == 0) {
1744 update_modifier(id, 1, 0, MOD_COMPOSE);
1745 id->t_composelen = 1;
1746 id->t_composebuf[0] = ksym;
1747 } else
1748 res = ksym;
1749 break;
1750 }
1751
1752 if (res == KS_voidSymbol) {
1753 update_leds(id);
1754 return (0);
1755 }
1756
1757 if (id->t_composelen > 0) {
1758 id->t_composebuf[2 - id->t_composelen] = res;
1759 if (--id->t_composelen == 0) {
1760 res = wskbd_compose_value(id->t_composebuf);
1761 update_modifier(id, 0, 0, MOD_COMPOSE);
1762 } else {
1763 return (0);
1764 }
1765 }
1766
1767 update_leds(id);
1768
1769 /* We are done, return the symbol */
1770 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1771 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1772 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1773 res = res & 0x1f;
1774 else if (res == KS_2)
1775 res = 0x00;
1776 else if (res >= KS_3 && res <= KS_7)
1777 res = KS_Escape + (res - KS_3);
1778 else if (res == KS_8)
1779 res = KS_Delete;
1780 }
1781 if (MOD_ONESET(id, MOD_ANYMETA)) {
1782 if (id->t_flags & WSKFL_METAESC) {
1783 id->t_symbols[0] = KS_Escape;
1784 id->t_symbols[1] = res;
1785 return (2);
1786 } else
1787 res |= 0x80;
1788 }
1789 }
1790
1791 id->t_symbols[0] = res;
1792 return (1);
1793 }
1794