wskbd.c revision 1.104.6.5 1 /* $NetBSD: wskbd.c,v 1.104.6.5 2007/11/06 14:27:35 joerg 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 1.104.6.5 2007/11/06 14:27:35 joerg Exp $");
83
84 #include "opt_ddb.h"
85 #include "opt_kgdb.h"
86 #include "opt_wsdisplay_compat.h"
87
88 #include "wsdisplay.h"
89 #include "wskbd.h"
90 #include "wsmux.h"
91
92 #include <sys/param.h>
93 #include <sys/conf.h>
94 #include <sys/device.h>
95 #include <sys/ioctl.h>
96 #include <sys/poll.h>
97 #include <sys/kernel.h>
98 #include <sys/proc.h>
99 #include <sys/syslog.h>
100 #include <sys/systm.h>
101 #include <sys/callout.h>
102 #include <sys/malloc.h>
103 #include <sys/tty.h>
104 #include <sys/signalvar.h>
105 #include <sys/errno.h>
106 #include <sys/fcntl.h>
107 #include <sys/vnode.h>
108 #include <sys/kauth.h>
109
110 #include <dev/wscons/wsconsio.h>
111 #include <dev/wscons/wskbdvar.h>
112 #include <dev/wscons/wsksymdef.h>
113 #include <dev/wscons/wsksymvar.h>
114 #include <dev/wscons/wsdisplayvar.h>
115 #include <dev/wscons/wseventvar.h>
116 #include <dev/wscons/wscons_callbacks.h>
117
118 #ifdef KGDB
119 #include <sys/kgdb.h>
120 #endif
121
122 #ifdef WSKBD_DEBUG
123 #define DPRINTF(x) if (wskbddebug) printf x
124 int wskbddebug = 0;
125 #else
126 #define DPRINTF(x)
127 #endif
128
129 #include <dev/wscons/wsmuxvar.h>
130
131 struct wskbd_internal {
132 const struct wskbd_mapdata *t_keymap;
133
134 const struct wskbd_consops *t_consops;
135 void *t_consaccesscookie;
136
137 int t_modifiers;
138 int t_composelen; /* remaining entries in t_composebuf */
139 keysym_t t_composebuf[2];
140
141 int t_flags;
142 #define WSKFL_METAESC 1
143
144 #define MAXKEYSYMSPERKEY 2 /* ESC <key> at max */
145 keysym_t t_symbols[MAXKEYSYMSPERKEY];
146
147 struct wskbd_softc *t_sc; /* back pointer */
148 };
149
150 struct wskbd_softc {
151 struct wsevsrc sc_base;
152
153 struct wskbd_internal *id;
154
155 const struct wskbd_accessops *sc_accessops;
156 void *sc_accesscookie;
157
158 int sc_ledstate;
159
160 int sc_isconsole;
161
162 struct wskbd_bell_data sc_bell_data;
163 struct wskbd_keyrepeat_data sc_keyrepeat_data;
164 #ifdef WSDISPLAY_SCROLLSUPPORT
165 struct wskbd_scroll_data sc_scroll_data;
166 #endif
167
168 int sc_repeating; /* we've called timeout() */
169 callout_t sc_repeat_ch;
170 u_int sc_repeat_type;
171 int sc_repeat_value;
172
173 int sc_translating; /* xlate to chars for emulation */
174
175 int sc_maplen; /* number of entries in sc_map */
176 struct wscons_keymap *sc_map; /* current translation map */
177 kbd_t sc_layout; /* current layout */
178
179 int sc_refcnt;
180 u_char sc_dying; /* device is being detached */
181 };
182
183 #define MOD_SHIFT_L (1 << 0)
184 #define MOD_SHIFT_R (1 << 1)
185 #define MOD_SHIFTLOCK (1 << 2)
186 #define MOD_CAPSLOCK (1 << 3)
187 #define MOD_CONTROL_L (1 << 4)
188 #define MOD_CONTROL_R (1 << 5)
189 #define MOD_META_L (1 << 6)
190 #define MOD_META_R (1 << 7)
191 #define MOD_MODESHIFT (1 << 8)
192 #define MOD_NUMLOCK (1 << 9)
193 #define MOD_COMPOSE (1 << 10)
194 #define MOD_HOLDSCREEN (1 << 11)
195 #define MOD_COMMAND (1 << 12)
196 #define MOD_COMMAND1 (1 << 13)
197 #define MOD_COMMAND2 (1 << 14)
198
199 #define MOD_ANYSHIFT (MOD_SHIFT_L | MOD_SHIFT_R | MOD_SHIFTLOCK)
200 #define MOD_ANYCONTROL (MOD_CONTROL_L | MOD_CONTROL_R)
201 #define MOD_ANYMETA (MOD_META_L | MOD_META_R)
202
203 #define MOD_ONESET(id, mask) (((id)->t_modifiers & (mask)) != 0)
204 #define MOD_ALLSET(id, mask) (((id)->t_modifiers & (mask)) == (mask))
205
206 #define GETMODSTATE(src, dst) \
207 do { \
208 dst |= (src & MOD_SHIFT_L) ? MOD_SHIFT_L : 0; \
209 dst |= (src & MOD_SHIFT_R) ? MOD_SHIFT_R : 0; \
210 dst |= (src & MOD_CONTROL_L) ? MOD_CONTROL_L : 0; \
211 dst |= (src & MOD_CONTROL_R) ? MOD_CONTROL_R : 0; \
212 dst |= (src & MOD_META_L) ? MOD_META_L : 0; \
213 dst |= (src & MOD_META_R) ? MOD_META_R : 0; \
214 } while (0)
215
216 static int wskbd_match(struct device *, struct cfdata *, void *);
217 static void wskbd_attach(struct device *, struct device *, void *);
218 static int wskbd_detach(struct device *, int);
219 static int wskbd_activate(struct device *, enum devact);
220
221 static int wskbd_displayioctl(struct device *, u_long, void *, int,
222 struct lwp *);
223 #if NWSDISPLAY > 0
224 static int wskbd_set_display(struct device *, struct wsevsrc *);
225 #else
226 #define wskbd_set_display NULL
227 #endif
228
229 static inline void update_leds(struct wskbd_internal *);
230 static inline void update_modifier(struct wskbd_internal *, u_int, int, int);
231 static int internal_command(struct wskbd_softc *, u_int *, keysym_t, keysym_t);
232 static int wskbd_translate(struct wskbd_internal *, u_int, int);
233 static int wskbd_enable(struct wskbd_softc *, int);
234 #if NWSDISPLAY > 0
235 static void change_displayparam(struct wskbd_softc *, int, int, int);
236 static void wskbd_holdscreen(struct wskbd_softc *, int);
237 #endif
238
239 static int wskbd_do_ioctl_sc(struct wskbd_softc *, u_long, void *, int,
240 struct lwp *);
241 static void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value);
242
243 #if NWSMUX > 0
244 static int wskbd_mux_open(struct wsevsrc *, struct wseventvar *);
245 static int wskbd_mux_close(struct wsevsrc *);
246 #else
247 #define wskbd_mux_open NULL
248 #define wskbd_mux_close NULL
249 #endif
250
251 static int wskbd_do_open(struct wskbd_softc *, struct wseventvar *);
252 static int wskbd_do_ioctl(struct device *, u_long, void *, int, struct lwp *);
253
254 CFATTACH_DECL(wskbd, sizeof (struct wskbd_softc),
255 wskbd_match, wskbd_attach, wskbd_detach, wskbd_activate);
256
257 extern struct cfdriver wskbd_cd;
258
259 dev_type_open(wskbdopen);
260 dev_type_close(wskbdclose);
261 dev_type_read(wskbdread);
262 dev_type_ioctl(wskbdioctl);
263 dev_type_poll(wskbdpoll);
264 dev_type_kqfilter(wskbdkqfilter);
265
266 const struct cdevsw wskbd_cdevsw = {
267 wskbdopen, wskbdclose, wskbdread, nowrite, wskbdioctl,
268 nostop, notty, wskbdpoll, nommap, wskbdkqfilter, D_OTHER
269 };
270
271 #ifndef WSKBD_DEFAULT_BELL_PITCH
272 #define WSKBD_DEFAULT_BELL_PITCH 1500 /* 1500Hz */
273 #endif
274 #ifndef WSKBD_DEFAULT_BELL_PERIOD
275 #define WSKBD_DEFAULT_BELL_PERIOD 100 /* 100ms */
276 #endif
277 #ifndef WSKBD_DEFAULT_BELL_VOLUME
278 #define WSKBD_DEFAULT_BELL_VOLUME 50 /* 50% volume */
279 #endif
280
281 struct wskbd_bell_data wskbd_default_bell_data = {
282 WSKBD_BELL_DOALL,
283 WSKBD_DEFAULT_BELL_PITCH,
284 WSKBD_DEFAULT_BELL_PERIOD,
285 WSKBD_DEFAULT_BELL_VOLUME,
286 };
287
288 #ifdef WSDISPLAY_SCROLLSUPPORT
289 struct wskbd_scroll_data wskbd_default_scroll_data = {
290 WSKBD_SCROLL_DOALL,
291 WSKBD_SCROLL_MODE_NORMAL,
292 #ifdef WSDISPLAY_SCROLLCOMBO
293 WSDISPLAY_SCROLLCOMBO,
294 #else
295 MOD_SHIFT_L,
296 #endif
297 };
298 #endif
299
300 #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1
301 #define WSKBD_DEFAULT_KEYREPEAT_DEL1 400 /* 400ms to start repeating */
302 #endif
303 #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN
304 #define WSKBD_DEFAULT_KEYREPEAT_DELN 100 /* 100ms to between repeats */
305 #endif
306
307 struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = {
308 WSKBD_KEYREPEAT_DOALL,
309 WSKBD_DEFAULT_KEYREPEAT_DEL1,
310 WSKBD_DEFAULT_KEYREPEAT_DELN,
311 };
312
313 #if NWSDISPLAY > 0 || NWSMUX > 0
314 struct wssrcops wskbd_srcops = {
315 WSMUX_KBD,
316 wskbd_mux_open, wskbd_mux_close, wskbd_do_ioctl,
317 wskbd_displayioctl, wskbd_set_display
318 };
319 #endif
320
321 static void wskbd_repeat(void *v);
322
323 static int wskbd_console_initted;
324 static struct wskbd_softc *wskbd_console_device;
325 static struct wskbd_internal wskbd_console_data;
326
327 static void wskbd_update_layout(struct wskbd_internal *, kbd_t);
328
329 static void
330 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
331 {
332
333 if (enc & KB_METAESC)
334 id->t_flags |= WSKFL_METAESC;
335 else
336 id->t_flags &= ~WSKFL_METAESC;
337 }
338
339 /*
340 * Print function (for parent devices).
341 */
342 int
343 wskbddevprint(void *aux, const char *pnp)
344 {
345 #if 0
346 struct wskbddev_attach_args *ap = aux;
347 #endif
348
349 if (pnp)
350 aprint_normal("wskbd at %s", pnp);
351 #if 0
352 aprint_normal(" console %d", ap->console);
353 #endif
354
355 return (UNCONF);
356 }
357
358 int
359 wskbd_match(struct device *parent, struct cfdata *match, void *aux)
360 {
361 struct wskbddev_attach_args *ap = aux;
362
363 if (match->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) {
364 /*
365 * If console-ness of device specified, either match
366 * exactly (at high priority), or fail.
367 */
368 if (match->wskbddevcf_console != 0 && ap->console != 0)
369 return (10);
370 else
371 return (0);
372 }
373
374 /* If console-ness unspecified, it wins. */
375 return (1);
376 }
377
378 void
379 wskbd_attach(struct device *parent, struct device *self, void *aux)
380 {
381 struct wskbd_softc *sc = (struct wskbd_softc *)self;
382 struct wskbddev_attach_args *ap = aux;
383 #if NWSMUX > 0
384 int mux, error;
385 #endif
386
387 sc->sc_isconsole = ap->console;
388
389 #if NWSMUX > 0 || NWSDISPLAY > 0
390 sc->sc_base.me_ops = &wskbd_srcops;
391 #endif
392 #if NWSMUX > 0
393 mux = device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux;
394 if (ap->console) {
395 /* Ignore mux for console; it always goes to the console mux. */
396 /* printf(" (mux %d ignored for console)", mux); */
397 mux = -1;
398 }
399 if (mux >= 0)
400 printf(" mux %d", mux);
401 #else
402 if (device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
403 printf(" (mux ignored)");
404 #endif
405
406 if (ap->console) {
407 sc->id = &wskbd_console_data;
408 } else {
409 sc->id = malloc(sizeof(struct wskbd_internal),
410 M_DEVBUF, M_WAITOK|M_ZERO);
411 sc->id->t_keymap = ap->keymap;
412 wskbd_update_layout(sc->id, ap->keymap->layout);
413 }
414
415 callout_init(&sc->sc_repeat_ch, 0);
416 callout_setfunc(&sc->sc_repeat_ch, wskbd_repeat, sc);
417
418 sc->id->t_sc = sc;
419
420 sc->sc_accessops = ap->accessops;
421 sc->sc_accesscookie = ap->accesscookie;
422 sc->sc_repeating = 0;
423 sc->sc_translating = 1;
424 sc->sc_ledstate = -1; /* force update */
425
426 if (wskbd_load_keymap(sc->id->t_keymap,
427 &sc->sc_map, &sc->sc_maplen) != 0)
428 panic("cannot load keymap");
429
430 sc->sc_layout = sc->id->t_keymap->layout;
431
432 /* set default bell and key repeat data */
433 sc->sc_bell_data = wskbd_default_bell_data;
434 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
435
436 #ifdef WSDISPLAY_SCROLLSUPPORT
437 sc->sc_scroll_data = wskbd_default_scroll_data;
438 #endif
439
440 if (ap->console) {
441 KASSERT(wskbd_console_initted);
442 KASSERT(wskbd_console_device == NULL);
443
444 wskbd_console_device = sc;
445
446 printf(": console keyboard");
447
448 #if NWSDISPLAY > 0
449 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
450 if (sc->sc_base.me_dispdv != NULL)
451 printf(", using %s", sc->sc_base.me_dispdv->dv_xname);
452 #endif
453 }
454 printf("\n");
455
456 #if NWSMUX > 0
457 if (mux >= 0) {
458 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
459 if (error)
460 printf("%s: attach error=%d\n",
461 sc->sc_base.me_dv.dv_xname, error);
462 }
463 #endif
464
465 if (!pnp_device_register(self, NULL, NULL))
466 aprint_error_dev(self, "couldn't establish power handler\n");
467 else if (!pnp_class_input_register(self))
468 aprint_error_dev(self, "couldn't register as input device\n");
469 }
470
471 void
472 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
473 const struct wskbd_mapdata *mapdata)
474 {
475 KASSERT(!wskbd_console_initted);
476
477 wskbd_console_data.t_keymap = mapdata;
478 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
479
480 wskbd_console_data.t_consops = consops;
481 wskbd_console_data.t_consaccesscookie = conscookie;
482
483 #if NWSDISPLAY > 0
484 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
485 #endif
486
487 wskbd_console_initted = 1;
488 }
489
490 void
491 wskbd_cndetach(void)
492 {
493 KASSERT(wskbd_console_initted);
494
495 wskbd_console_data.t_keymap = 0;
496
497 wskbd_console_data.t_consops = 0;
498 wskbd_console_data.t_consaccesscookie = 0;
499
500 #if NWSDISPLAY > 0
501 wsdisplay_unset_cons_kbd();
502 #endif
503
504 wskbd_console_initted = 0;
505 }
506
507 static void
508 wskbd_repeat(void *v)
509 {
510 struct wskbd_softc *sc = (struct wskbd_softc *)v;
511 int s = spltty();
512
513 if (!sc->sc_repeating) {
514 /*
515 * race condition: a "key up" event came in when wskbd_repeat()
516 * was already called but not yet spltty()'d
517 */
518 splx(s);
519 return;
520 }
521 if (sc->sc_translating) {
522 /* deliver keys */
523 #if NWSDISPLAY > 0
524 if (sc->sc_base.me_dispdv != NULL) {
525 int i;
526 for (i = 0; i < sc->sc_repeating; i++)
527 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
528 sc->id->t_symbols[i]);
529 }
530 #endif
531 } else {
532 #if defined(WSKBD_EVENT_AUTOREPEAT)
533 /* queue event */
534 wskbd_deliver_event(sc, sc->sc_repeat_type,
535 sc->sc_repeat_value);
536 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
537 }
538 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
539 splx(s);
540 }
541
542 int
543 wskbd_activate(struct device *self, enum devact act)
544 {
545 struct wskbd_softc *sc = (struct wskbd_softc *)self;
546
547 if (act == DVACT_DEACTIVATE)
548 sc->sc_dying = 1;
549 return (0);
550 }
551
552 /*
553 * Detach a keyboard. To keep track of users of the softc we keep
554 * a reference count that's incremented while inside, e.g., read.
555 * If the keyboard is active and the reference count is > 0 (0 is the
556 * normal state) we post an event and then wait for the process
557 * that had the reference to wake us up again. Then we blow away the
558 * vnode and return (which will deallocate the softc).
559 */
560 int
561 wskbd_detach(struct device *self, int flags)
562 {
563 struct wskbd_softc *sc = (struct wskbd_softc *)self;
564 struct wseventvar *evar;
565 int maj, mn;
566 int s;
567
568 #if NWSMUX > 0
569 /* Tell parent mux we're leaving. */
570 if (sc->sc_base.me_parent != NULL)
571 wsmux_detach_sc(&sc->sc_base);
572 #endif
573
574 callout_stop(&sc->sc_repeat_ch);
575 callout_destroy(&sc->sc_repeat_ch);
576
577 if (sc->sc_isconsole) {
578 KASSERT(wskbd_console_device == sc);
579 wskbd_console_device = NULL;
580 }
581
582 evar = sc->sc_base.me_evp;
583 if (evar != NULL && evar->io != NULL) {
584 s = spltty();
585 if (--sc->sc_refcnt >= 0) {
586 struct wscons_event event;
587
588 /* Wake everyone by generating a dummy event. */
589 event.type = 0;
590 event.value = 0;
591 if (wsevent_inject(evar, &event, 1) != 0)
592 wsevent_wakeup(evar);
593
594 /* Wait for processes to go away. */
595 if (tsleep(sc, PZERO, "wskdet", hz * 60))
596 printf("wskbd_detach: %s didn't detach\n",
597 sc->sc_base.me_dv.dv_xname);
598 }
599 splx(s);
600 }
601
602 /* locate the major number */
603 maj = cdevsw_lookup_major(&wskbd_cdevsw);
604
605 /* Nuke the vnodes for any open instances. */
606 mn = device_unit(self);
607 vdevgone(maj, mn, mn, VCHR);
608
609 return (0);
610 }
611
612 void
613 wskbd_input(struct device *dev, u_int type, int value)
614 {
615 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
616 #if NWSDISPLAY > 0
617 int num, i;
618 #endif
619
620 if (sc->sc_repeating) {
621 sc->sc_repeating = 0;
622 callout_stop(&sc->sc_repeat_ch);
623 }
624
625 device_active(dev, DVA_HARDWARE);
626
627 #if NWSDISPLAY > 0
628 /*
629 * If /dev/wskbdN is not connected in event mode translate and
630 * send upstream.
631 */
632 if (sc->sc_translating) {
633 num = wskbd_translate(sc->id, type, value);
634 if (num > 0) {
635 if (sc->sc_base.me_dispdv != NULL) {
636 #ifdef WSDISPLAY_SCROLLSUPPORT
637 if (sc->id->t_symbols [0] != KS_Print_Screen) {
638 wsdisplay_scroll(sc->sc_base.
639 me_dispdv, WSDISPLAY_SCROLL_RESET);
640 }
641 #endif
642 for (i = 0; i < num; i++)
643 wsdisplay_kbdinput(
644 sc->sc_base.me_dispdv,
645 sc->id->t_symbols[i]);
646 }
647
648 if (sc->sc_keyrepeat_data.del1 != 0) {
649 sc->sc_repeating = num;
650 callout_schedule(&sc->sc_repeat_ch,
651 mstohz(sc->sc_keyrepeat_data.del1));
652 }
653 }
654 return;
655 }
656 #endif
657
658 wskbd_deliver_event(sc, type, value);
659
660 #if defined(WSKBD_EVENT_AUTOREPEAT)
661 /* Repeat key presses if set. */
662 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
663 sc->sc_repeat_type = type;
664 sc->sc_repeat_value = value;
665 sc->sc_repeating = 1;
666 callout_schedule(&sc->sc_repeat_ch,
667 mstohz(sc->sc_keyrepeat_data.del1));
668 }
669 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
670 }
671
672 /*
673 * Keyboard is generating events. Turn this keystroke into an
674 * event and put it in the queue. If the queue is full, the
675 * keystroke is lost (sorry!).
676 */
677 static void
678 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
679 {
680 struct wseventvar *evar;
681 struct wscons_event event;
682
683 evar = sc->sc_base.me_evp;
684
685 if (evar == NULL) {
686 DPRINTF(("wskbd_input: not open\n"));
687 return;
688 }
689
690 #ifdef DIAGNOSTIC
691 if (evar->q == NULL) {
692 printf("wskbd_input: evar->q=NULL\n");
693 return;
694 }
695 #endif
696
697 event.type = type;
698 event.value = value;
699 if (wsevent_inject(evar, &event, 1) != 0)
700 log(LOG_WARNING, "%s: event queue overflow\n",
701 sc->sc_base.me_dv.dv_xname);
702 }
703
704 #ifdef WSDISPLAY_COMPAT_RAWKBD
705 void
706 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
707 {
708 #if NWSDISPLAY > 0
709 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
710 int i;
711
712 if (sc->sc_base.me_dispdv != NULL)
713 for (i = 0; i < len; i++)
714 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
715 /* this is KS_GROUP_Ascii */
716 #endif
717 }
718 #endif /* WSDISPLAY_COMPAT_RAWKBD */
719
720 #if NWSDISPLAY > 0
721 static void
722 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
723 {
724 int new_state;
725
726 if (sc->sc_base.me_dispdv != NULL) {
727 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
728 new_state = sc->sc_ledstate;
729 if (hold) {
730 #ifdef WSDISPLAY_SCROLLSUPPORT
731 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
732 #endif
733 new_state |= WSKBD_LED_SCROLL;
734 } else {
735 #ifdef WSDISPLAY_SCROLLSUPPORT
736 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
737 #endif
738 new_state &= ~WSKBD_LED_SCROLL;
739 }
740 if (new_state != sc->sc_ledstate) {
741 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
742 new_state);
743 sc->sc_ledstate = new_state;
744 #ifdef WSDISPLAY_SCROLLSUPPORT
745 if (!hold)
746 wsdisplay_scroll(sc->sc_base.me_dispdv,
747 WSDISPLAY_SCROLL_RESET);
748 #endif
749 }
750 }
751 }
752 #endif
753
754 static int
755 wskbd_enable(struct wskbd_softc *sc, int on)
756 {
757 int error;
758
759 #if 0
760 /* I don't understand the purpose of this code. And it seems to
761 * break things, so it's out. -- Lennart
762 */
763 if (!on && (!sc->sc_translating
764 #if NWSDISPLAY > 0
765 || sc->sc_base.me_dispdv
766 #endif
767 ))
768 return (EBUSY);
769 #endif
770 #if NWSDISPLAY > 0
771 if (sc->sc_base.me_dispdv != NULL)
772 return (0);
773 #endif
774
775 /* Always cancel auto repeat when fiddling with the kbd. */
776 if (sc->sc_repeating) {
777 sc->sc_repeating = 0;
778 callout_stop(&sc->sc_repeat_ch);
779 }
780
781 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
782 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
783 return (error);
784 }
785
786 #if NWSMUX > 0
787 int
788 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
789 {
790 struct wskbd_softc *sc = (struct wskbd_softc *)me;
791
792 if (sc->sc_dying)
793 return (EIO);
794
795 if (sc->sc_base.me_evp != NULL)
796 return (EBUSY);
797
798 return (wskbd_do_open(sc, evp));
799 }
800 #endif
801
802 int
803 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
804 {
805 struct wskbd_softc *sc;
806 struct wseventvar *evar;
807 int unit, error;
808
809 unit = minor(dev);
810 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
811 (sc = wskbd_cd.cd_devs[unit]) == NULL)
812 return (ENXIO);
813
814 #if NWSMUX > 0
815 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
816 sc->sc_base.me_parent, l));
817 #endif
818
819 if (sc->sc_dying)
820 return (EIO);
821
822 if ((flags & (FREAD | FWRITE)) == FWRITE)
823 /* Not opening for read, only ioctl is available. */
824 return (0);
825
826 #if NWSMUX > 0
827 if (sc->sc_base.me_parent != NULL) {
828 /* Grab the keyboard out of the greedy hands of the mux. */
829 DPRINTF(("wskbdopen: detach\n"));
830 wsmux_detach_sc(&sc->sc_base);
831 }
832 #endif
833
834 if (sc->sc_base.me_evp != NULL)
835 return (EBUSY);
836
837 evar = &sc->sc_base.me_evar;
838 wsevent_init(evar, l->l_proc);
839
840 error = wskbd_do_open(sc, evar);
841 if (error) {
842 DPRINTF(("wskbdopen: %s open failed\n",
843 sc->sc_base.me_dv.dv_xname));
844 sc->sc_base.me_evp = NULL;
845 wsevent_fini(evar);
846 }
847 return (error);
848 }
849
850 int
851 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
852 {
853 sc->sc_base.me_evp = evp;
854 sc->sc_translating = 0;
855
856 return (wskbd_enable(sc, 1));
857 }
858
859 int
860 wskbdclose(dev_t dev, int flags, int mode,
861 struct lwp *l)
862 {
863 struct wskbd_softc *sc =
864 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
865 struct wseventvar *evar = sc->sc_base.me_evp;
866
867 if (evar == NULL)
868 /* not open for read */
869 return (0);
870
871 sc->sc_base.me_evp = NULL;
872 sc->sc_translating = 1;
873 (void)wskbd_enable(sc, 0);
874 wsevent_fini(evar);
875
876 return (0);
877 }
878
879 #if NWSMUX > 0
880 int
881 wskbd_mux_close(struct wsevsrc *me)
882 {
883 struct wskbd_softc *sc = (struct wskbd_softc *)me;
884
885 sc->sc_base.me_evp = NULL;
886 sc->sc_translating = 1;
887 (void)wskbd_enable(sc, 0);
888
889 return (0);
890 }
891 #endif
892
893 int
894 wskbdread(dev_t dev, struct uio *uio, int flags)
895 {
896 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
897 int error;
898
899 if (sc->sc_dying)
900 return (EIO);
901
902 #ifdef DIAGNOSTIC
903 if (sc->sc_base.me_evp == NULL) {
904 printf("wskbdread: evp == NULL\n");
905 return (EINVAL);
906 }
907 #endif
908
909 sc->sc_refcnt++;
910 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
911 if (--sc->sc_refcnt < 0) {
912 wakeup(sc);
913 error = EIO;
914 }
915 return (error);
916 }
917
918 int
919 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
920 {
921 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
922 }
923
924 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
925 int
926 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
927 struct lwp *l)
928 {
929 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
930 int error;
931
932 sc->sc_refcnt++;
933 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
934 if (--sc->sc_refcnt < 0)
935 wakeup(sc);
936 return (error);
937 }
938
939 int
940 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
941 struct lwp *l)
942 {
943
944 /*
945 * Try the generic ioctls that the wskbd interface supports.
946 */
947 switch (cmd) {
948 case FIONBIO: /* we will remove this someday (soon???) */
949 return (0);
950
951 case FIOASYNC:
952 if (sc->sc_base.me_evp == NULL)
953 return (EINVAL);
954 sc->sc_base.me_evp->async = *(int *)data != 0;
955 return (0);
956
957 case FIOSETOWN:
958 if (sc->sc_base.me_evp == NULL)
959 return (EINVAL);
960 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
961 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
962 return (EPERM);
963 return (0);
964
965 case TIOCSPGRP:
966 if (sc->sc_base.me_evp == NULL)
967 return (EINVAL);
968 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
969 return (EPERM);
970 return (0);
971 }
972
973 /*
974 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
975 * if it didn't recognize the request.
976 */
977 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
978 }
979
980 /*
981 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
982 * Some of these have no real effect in raw mode, however.
983 */
984 static int
985 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
986 struct lwp *l)
987 {
988 #ifdef WSDISPLAY_SCROLLSUPPORT
989 struct wskbd_scroll_data *usdp, *ksdp;
990 #endif
991 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
992 struct wskbd_bell_data *ubdp, *kbdp;
993 struct wskbd_keyrepeat_data *ukdp, *kkdp;
994 struct wskbd_map_data *umdp;
995 struct wskbd_mapdata md;
996 struct proc *p = l ? l->l_proc : NULL;
997 kbd_t enc;
998 void *tbuf;
999 int len, error;
1000
1001 switch (cmd) {
1002 #define SETBELL(dstp, srcp, dfltp) \
1003 do { \
1004 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1005 (srcp)->pitch : (dfltp)->pitch; \
1006 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1007 (srcp)->period : (dfltp)->period; \
1008 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1009 (srcp)->volume : (dfltp)->volume; \
1010 (dstp)->which = WSKBD_BELL_DOALL; \
1011 } while (0)
1012
1013 case WSKBDIO_BELL:
1014 if ((flag & FWRITE) == 0)
1015 return (EACCES);
1016 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1017 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1018
1019 case WSKBDIO_COMPLEXBELL:
1020 if ((flag & FWRITE) == 0)
1021 return (EACCES);
1022 ubdp = (struct wskbd_bell_data *)data;
1023 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1024 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1025 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1026
1027 case WSKBDIO_SETBELL:
1028 if ((flag & FWRITE) == 0)
1029 return (EACCES);
1030 kbdp = &sc->sc_bell_data;
1031 setbell:
1032 ubdp = (struct wskbd_bell_data *)data;
1033 SETBELL(kbdp, ubdp, kbdp);
1034 return (0);
1035
1036 case WSKBDIO_GETBELL:
1037 kbdp = &sc->sc_bell_data;
1038 getbell:
1039 ubdp = (struct wskbd_bell_data *)data;
1040 SETBELL(ubdp, kbdp, kbdp);
1041 return (0);
1042
1043 case WSKBDIO_SETDEFAULTBELL:
1044 if (p && (error = kauth_authorize_generic(l->l_cred,
1045 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1046 return (error);
1047 kbdp = &wskbd_default_bell_data;
1048 goto setbell;
1049
1050
1051 case WSKBDIO_GETDEFAULTBELL:
1052 kbdp = &wskbd_default_bell_data;
1053 goto getbell;
1054
1055 #undef SETBELL
1056
1057 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1058 do { \
1059 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1060 (srcp)->del1 : (dfltp)->del1; \
1061 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1062 (srcp)->delN : (dfltp)->delN; \
1063 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1064 } while (0)
1065
1066 case WSKBDIO_SETKEYREPEAT:
1067 if ((flag & FWRITE) == 0)
1068 return (EACCES);
1069 kkdp = &sc->sc_keyrepeat_data;
1070 setkeyrepeat:
1071 ukdp = (struct wskbd_keyrepeat_data *)data;
1072 SETKEYREPEAT(kkdp, ukdp, kkdp);
1073 return (0);
1074
1075 case WSKBDIO_GETKEYREPEAT:
1076 kkdp = &sc->sc_keyrepeat_data;
1077 getkeyrepeat:
1078 ukdp = (struct wskbd_keyrepeat_data *)data;
1079 SETKEYREPEAT(ukdp, kkdp, kkdp);
1080 return (0);
1081
1082 case WSKBDIO_SETDEFAULTKEYREPEAT:
1083 if ((error = kauth_authorize_generic(l->l_cred,
1084 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1085 return (error);
1086 kkdp = &wskbd_default_keyrepeat_data;
1087 goto setkeyrepeat;
1088
1089
1090 case WSKBDIO_GETDEFAULTKEYREPEAT:
1091 kkdp = &wskbd_default_keyrepeat_data;
1092 goto getkeyrepeat;
1093
1094 #ifdef WSDISPLAY_SCROLLSUPPORT
1095 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1096 do { \
1097 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1098 (srcp)->mode : (dfltp)->mode; \
1099 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1100 (srcp)->modifier : (dfltp)->modifier; \
1101 (dstp)->which = WSKBD_SCROLL_DOALL; \
1102 } while (0)
1103
1104 case WSKBDIO_SETSCROLL:
1105 usdp = (struct wskbd_scroll_data *)data;
1106 ksdp = &sc->sc_scroll_data;
1107 SETSCROLLMOD(ksdp, usdp, ksdp);
1108 return (0);
1109
1110 case WSKBDIO_GETSCROLL:
1111 usdp = (struct wskbd_scroll_data *)data;
1112 ksdp = &sc->sc_scroll_data;
1113 SETSCROLLMOD(usdp, ksdp, ksdp);
1114 return (0);
1115 #else
1116 case WSKBDIO_GETSCROLL:
1117 case WSKBDIO_SETSCROLL:
1118 return ENODEV;
1119 #endif
1120
1121 #undef SETKEYREPEAT
1122
1123 case WSKBDIO_SETMAP:
1124 if ((flag & FWRITE) == 0)
1125 return (EACCES);
1126 umdp = (struct wskbd_map_data *)data;
1127 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1128 return (EINVAL);
1129
1130 len = umdp->maplen*sizeof(struct wscons_keymap);
1131 tbuf = malloc(len, M_TEMP, M_WAITOK);
1132 error = copyin(umdp->map, tbuf, len);
1133 if (error == 0) {
1134 wskbd_init_keymap(umdp->maplen,
1135 &sc->sc_map, &sc->sc_maplen);
1136 memcpy(sc->sc_map, tbuf, len);
1137 /* drop the variant bits handled by the map */
1138 sc->sc_layout = KB_USER |
1139 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1140 wskbd_update_layout(sc->id, sc->sc_layout);
1141 }
1142 free(tbuf, M_TEMP);
1143 return(error);
1144
1145 case WSKBDIO_GETMAP:
1146 umdp = (struct wskbd_map_data *)data;
1147 if (umdp->maplen > sc->sc_maplen)
1148 umdp->maplen = sc->sc_maplen;
1149 error = copyout(sc->sc_map, umdp->map,
1150 umdp->maplen*sizeof(struct wscons_keymap));
1151 return(error);
1152
1153 case WSKBDIO_GETENCODING:
1154 *((kbd_t *) data) = sc->sc_layout;
1155 return(0);
1156
1157 case WSKBDIO_SETENCODING:
1158 if ((flag & FWRITE) == 0)
1159 return (EACCES);
1160 enc = *((kbd_t *)data);
1161 if (KB_ENCODING(enc) == KB_USER) {
1162 /* user map must already be loaded */
1163 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1164 return (EINVAL);
1165 /* map variants make no sense */
1166 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1167 return (EINVAL);
1168 } else {
1169 md = *(sc->id->t_keymap); /* structure assignment */
1170 md.layout = enc;
1171 error = wskbd_load_keymap(&md, &sc->sc_map,
1172 &sc->sc_maplen);
1173 if (error)
1174 return (error);
1175 }
1176 sc->sc_layout = enc;
1177 wskbd_update_layout(sc->id, enc);
1178 return (0);
1179 }
1180
1181 /*
1182 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1183 * if it didn't recognize the request, and in turn we return
1184 * -1 if we didn't recognize the request.
1185 */
1186 /* printf("kbdaccess\n"); */
1187 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1188 flag, l);
1189 #ifdef WSDISPLAY_COMPAT_RAWKBD
1190 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1191 int s = spltty();
1192 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1193 | MOD_CONTROL_L | MOD_CONTROL_R
1194 | MOD_META_L | MOD_META_R
1195 | MOD_COMMAND
1196 | MOD_COMMAND1 | MOD_COMMAND2);
1197 if (sc->sc_repeating) {
1198 sc->sc_repeating = 0;
1199 callout_stop(&sc->sc_repeat_ch);
1200 }
1201 splx(s);
1202 }
1203 #endif
1204 return (error);
1205 }
1206
1207 int
1208 wskbdpoll(dev_t dev, int events, struct lwp *l)
1209 {
1210 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1211
1212 if (sc->sc_base.me_evp == NULL)
1213 return (POLLERR);
1214 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1215 }
1216
1217 int
1218 wskbdkqfilter(dev_t dev, struct knote *kn)
1219 {
1220 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1221
1222 if (sc->sc_base.me_evp == NULL)
1223 return (1);
1224 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1225 }
1226
1227 #if NWSDISPLAY > 0
1228
1229 int
1230 wskbd_pickfree(void)
1231 {
1232 int i;
1233 struct wskbd_softc *sc;
1234
1235 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1236 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1237 continue;
1238 if (sc->sc_base.me_dispdv == NULL)
1239 return (i);
1240 }
1241 return (-1);
1242 }
1243
1244 struct wsevsrc *
1245 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1246 {
1247 struct wskbd_softc *sc = wskbd_console_device;
1248
1249 if (sc == NULL)
1250 return (NULL);
1251 sc->sc_base.me_dispdv = displaydv;
1252 #if NWSMUX > 0
1253 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1254 #endif
1255 return (&sc->sc_base);
1256 }
1257
1258 int
1259 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1260 {
1261 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1262 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1263 struct device *odisplaydv;
1264 int error;
1265
1266 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1267 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1268 sc->sc_isconsole));
1269
1270 if (sc->sc_isconsole)
1271 return (EBUSY);
1272
1273 if (displaydv != NULL) {
1274 if (sc->sc_base.me_dispdv != NULL)
1275 return (EBUSY);
1276 } else {
1277 if (sc->sc_base.me_dispdv == NULL)
1278 return (ENXIO);
1279 }
1280
1281 odisplaydv = sc->sc_base.me_dispdv;
1282 sc->sc_base.me_dispdv = NULL;
1283 error = wskbd_enable(sc, displaydv != NULL);
1284 sc->sc_base.me_dispdv = displaydv;
1285 if (error) {
1286 sc->sc_base.me_dispdv = odisplaydv;
1287 return (error);
1288 }
1289
1290 if (displaydv)
1291 aprint_verbose("%s: connecting to %s\n",
1292 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1293 else
1294 aprint_verbose("%s: disconnecting from %s\n",
1295 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1296
1297 return (0);
1298 }
1299
1300 #endif /* NWSDISPLAY > 0 */
1301
1302 #if NWSMUX > 0
1303 int
1304 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1305 {
1306 struct wskbd_softc *sc;
1307
1308 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1309 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1310 return (ENXIO);
1311
1312 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1313 return (EBUSY);
1314
1315 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1316 }
1317 #endif
1318
1319 /*
1320 * Console interface.
1321 */
1322 int
1323 wskbd_cngetc(dev_t dev)
1324 {
1325 static int num = 0;
1326 static int pos;
1327 u_int type;
1328 int data;
1329 keysym_t ks;
1330
1331 if (!wskbd_console_initted)
1332 return 0;
1333
1334 if (wskbd_console_device != NULL &&
1335 !wskbd_console_device->sc_translating)
1336 return 0;
1337
1338 for(;;) {
1339 if (num-- > 0) {
1340 ks = wskbd_console_data.t_symbols[pos++];
1341 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1342 return (KS_VALUE(ks));
1343 } else {
1344 (*wskbd_console_data.t_consops->getc)
1345 (wskbd_console_data.t_consaccesscookie,
1346 &type, &data);
1347 if (type == WSCONS_EVENT_ASCII) {
1348 /*
1349 * We assume that when the driver falls back
1350 * to deliver pure ASCII it is in a state that
1351 * it can not track press/release events
1352 * reliable - so we clear all previously
1353 * accumulated modifier state.
1354 */
1355 wskbd_console_data.t_modifiers = 0;
1356 return(data);
1357 }
1358 num = wskbd_translate(&wskbd_console_data, type, data);
1359 pos = 0;
1360 }
1361 }
1362 }
1363
1364 void
1365 wskbd_cnpollc(dev_t dev, int poll)
1366 {
1367
1368 if (!wskbd_console_initted)
1369 return;
1370
1371 if (wskbd_console_device != NULL &&
1372 !wskbd_console_device->sc_translating)
1373 return;
1374
1375 (*wskbd_console_data.t_consops->pollc)
1376 (wskbd_console_data.t_consaccesscookie, poll);
1377 }
1378
1379 void
1380 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1381 {
1382
1383 if (!wskbd_console_initted)
1384 return;
1385
1386 if (wskbd_console_data.t_consops->bell != NULL)
1387 (*wskbd_console_data.t_consops->bell)
1388 (wskbd_console_data.t_consaccesscookie, pitch, period,
1389 volume);
1390 }
1391
1392 static inline void
1393 update_leds(struct wskbd_internal *id)
1394 {
1395 int new_state;
1396
1397 new_state = 0;
1398 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1399 new_state |= WSKBD_LED_CAPS;
1400 if (id->t_modifiers & MOD_NUMLOCK)
1401 new_state |= WSKBD_LED_NUM;
1402 if (id->t_modifiers & MOD_COMPOSE)
1403 new_state |= WSKBD_LED_COMPOSE;
1404 if (id->t_modifiers & MOD_HOLDSCREEN)
1405 new_state |= WSKBD_LED_SCROLL;
1406
1407 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1408 (*id->t_sc->sc_accessops->set_leds)
1409 (id->t_sc->sc_accesscookie, new_state);
1410 id->t_sc->sc_ledstate = new_state;
1411 }
1412 }
1413
1414 static inline void
1415 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1416 {
1417 if (toggle) {
1418 if (type == WSCONS_EVENT_KEY_DOWN)
1419 id->t_modifiers ^= mask;
1420 } else {
1421 if (type == WSCONS_EVENT_KEY_DOWN)
1422 id->t_modifiers |= mask;
1423 else
1424 id->t_modifiers &= ~mask;
1425 }
1426 }
1427
1428 #if NWSDISPLAY > 0
1429 static void
1430 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1431 int wraparound)
1432 {
1433 int res;
1434 struct wsdisplay_param dp;
1435
1436 dp.param = param;
1437 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1438
1439 if (res == EINVAL)
1440 return; /* no such parameter */
1441
1442 dp.curval += updown;
1443 if (dp.max < dp.curval)
1444 dp.curval = wraparound ? dp.min : dp.max;
1445 else
1446 if (dp.curval < dp.min)
1447 dp.curval = wraparound ? dp.max : dp.min;
1448 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1449 }
1450 #endif
1451
1452 static int
1453 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1454 keysym_t ksym2)
1455 {
1456 #ifdef WSDISPLAY_SCROLLSUPPORT
1457 u_int state = 0;
1458 #endif
1459 switch (ksym) {
1460 case KS_Cmd_VolumeToggle:
1461 if (*type == WSCONS_EVENT_KEY_DOWN)
1462 pnp_event_inject(NULL, PNPE_AUDIO_VOLUME_TOGGLE);
1463 break;
1464 case KS_Cmd_VolumeUp:
1465 if (*type == WSCONS_EVENT_KEY_DOWN)
1466 pnp_event_inject(NULL, PNPE_AUDIO_VOLUME_UP);
1467 break;
1468 case KS_Cmd_VolumeDown:
1469 if (*type == WSCONS_EVENT_KEY_DOWN)
1470 pnp_event_inject(NULL, PNPE_AUDIO_VOLUME_DOWN);
1471 break;
1472 #ifdef WSDISPLAY_SCROLLSUPPORT
1473 case KS_Cmd_ScrollFastUp:
1474 case KS_Cmd_ScrollFastDown:
1475 if (*type == WSCONS_EVENT_KEY_DOWN) {
1476 GETMODSTATE(sc->id->t_modifiers, state);
1477 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1478 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1479 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1480 && sc->sc_scroll_data.modifier == state)) {
1481 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1482 wsdisplay_scroll(sc->sc_base.me_dispdv,
1483 (ksym == KS_Cmd_ScrollFastUp) ?
1484 WSDISPLAY_SCROLL_BACKWARD :
1485 WSDISPLAY_SCROLL_FORWARD);
1486 return (1);
1487 } else {
1488 return (0);
1489 }
1490 }
1491
1492 case KS_Cmd_ScrollSlowUp:
1493 case KS_Cmd_ScrollSlowDown:
1494 if (*type == WSCONS_EVENT_KEY_DOWN) {
1495 GETMODSTATE(sc->id->t_modifiers, state);
1496 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1497 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1498 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1499 && sc->sc_scroll_data.modifier == state)) {
1500 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1501 wsdisplay_scroll(sc->sc_base.me_dispdv,
1502 (ksym == KS_Cmd_ScrollSlowUp) ?
1503 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1504 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1505 return (1);
1506 } else {
1507 return (0);
1508 }
1509 }
1510 #endif
1511
1512 case KS_Cmd:
1513 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1514 ksym = ksym2;
1515 break;
1516
1517 case KS_Cmd1:
1518 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1519 break;
1520
1521 case KS_Cmd2:
1522 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1523 break;
1524 }
1525
1526 if (*type != WSCONS_EVENT_KEY_DOWN ||
1527 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1528 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1529 return (0);
1530
1531 #if defined(DDB) || defined(KGDB)
1532 if (ksym == KS_Cmd_Debugger) {
1533 if (sc->sc_isconsole) {
1534 #ifdef DDB
1535 console_debugger();
1536 #endif
1537 #ifdef KGDB
1538 kgdb_connect(1);
1539 #endif
1540 }
1541 /* discard this key (ddb discarded command modifiers) */
1542 *type = WSCONS_EVENT_KEY_UP;
1543 return (1);
1544 }
1545 #endif
1546
1547 #if NWSDISPLAY > 0
1548 if (sc->sc_base.me_dispdv == NULL)
1549 return (0);
1550
1551 switch (ksym) {
1552 case KS_Cmd_Screen0:
1553 case KS_Cmd_Screen1:
1554 case KS_Cmd_Screen2:
1555 case KS_Cmd_Screen3:
1556 case KS_Cmd_Screen4:
1557 case KS_Cmd_Screen5:
1558 case KS_Cmd_Screen6:
1559 case KS_Cmd_Screen7:
1560 case KS_Cmd_Screen8:
1561 case KS_Cmd_Screen9:
1562 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1563 return (1);
1564 case KS_Cmd_ResetEmul:
1565 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1566 return (1);
1567 case KS_Cmd_ResetClose:
1568 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1569 return (1);
1570 case KS_Cmd_BacklightOn:
1571 case KS_Cmd_BacklightOff:
1572 case KS_Cmd_BacklightToggle:
1573 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1574 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1575 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1576 return (1);
1577 case KS_Cmd_BrightnessUp:
1578 case KS_Cmd_BrightnessDown:
1579 case KS_Cmd_BrightnessRotate:
1580 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1581 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1582 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1583 return (1);
1584 case KS_Cmd_ContrastUp:
1585 case KS_Cmd_ContrastDown:
1586 case KS_Cmd_ContrastRotate:
1587 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1588 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1589 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1590 return (1);
1591 }
1592 #endif
1593
1594 return (0);
1595 }
1596
1597 static int
1598 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1599 {
1600 struct wskbd_softc *sc = id->t_sc;
1601 keysym_t ksym, res, *group;
1602 struct wscons_keymap kpbuf, *kp;
1603 int iscommand = 0;
1604
1605 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1606 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1607 | MOD_CONTROL_L | MOD_CONTROL_R
1608 | MOD_META_L | MOD_META_R
1609 | MOD_MODESHIFT
1610 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1611 update_leds(id);
1612 return (0);
1613 }
1614
1615 if (sc != NULL) {
1616 if (value < 0 || value >= sc->sc_maplen) {
1617 #ifdef DEBUG
1618 printf("wskbd_translate: keycode %d out of range\n",
1619 value);
1620 #endif
1621 return (0);
1622 }
1623 kp = sc->sc_map + value;
1624 } else {
1625 kp = &kpbuf;
1626 wskbd_get_mapentry(id->t_keymap, value, kp);
1627 }
1628
1629 /* if this key has a command, process it first */
1630 if (sc != NULL && kp->command != KS_voidSymbol)
1631 iscommand = internal_command(sc, &type, kp->command,
1632 kp->group1[0]);
1633
1634 /* Now update modifiers */
1635 switch (kp->group1[0]) {
1636 case KS_Shift_L:
1637 update_modifier(id, type, 0, MOD_SHIFT_L);
1638 break;
1639
1640 case KS_Shift_R:
1641 update_modifier(id, type, 0, MOD_SHIFT_R);
1642 break;
1643
1644 case KS_Shift_Lock:
1645 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1646 break;
1647
1648 case KS_Caps_Lock:
1649 update_modifier(id, type, 1, MOD_CAPSLOCK);
1650 break;
1651
1652 case KS_Control_L:
1653 update_modifier(id, type, 0, MOD_CONTROL_L);
1654 break;
1655
1656 case KS_Control_R:
1657 update_modifier(id, type, 0, MOD_CONTROL_R);
1658 break;
1659
1660 case KS_Alt_L:
1661 update_modifier(id, type, 0, MOD_META_L);
1662 break;
1663
1664 case KS_Alt_R:
1665 update_modifier(id, type, 0, MOD_META_R);
1666 break;
1667
1668 case KS_Mode_switch:
1669 update_modifier(id, type, 0, MOD_MODESHIFT);
1670 break;
1671
1672 case KS_Num_Lock:
1673 update_modifier(id, type, 1, MOD_NUMLOCK);
1674 break;
1675
1676 #if NWSDISPLAY > 0
1677 case KS_Hold_Screen:
1678 if (sc != NULL) {
1679 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1680 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1681 }
1682 break;
1683 #endif
1684 }
1685
1686 /* If this is a key release or we are in command mode, we are done */
1687 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1688 update_leds(id);
1689 return (0);
1690 }
1691
1692 /* Get the keysym */
1693 if (id->t_modifiers & MOD_MODESHIFT)
1694 group = & kp->group2[0];
1695 else
1696 group = & kp->group1[0];
1697
1698 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1699 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1700 if (MOD_ONESET(id, MOD_ANYSHIFT))
1701 ksym = group[0];
1702 else
1703 ksym = group[1];
1704 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1705 ksym = group[0];
1706 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1707 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1708 ksym = group[0];
1709 else
1710 ksym = group[1];
1711 if (ksym >= KS_a && ksym <= KS_z)
1712 ksym += KS_A - KS_a;
1713 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1714 ksym != KS_division)
1715 ksym += KS_Agrave - KS_agrave;
1716 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1717 ksym = group[1];
1718 } else {
1719 ksym = group[0];
1720 }
1721
1722 /* Process compose sequence and dead accents */
1723 res = KS_voidSymbol;
1724
1725 switch (KS_GROUP(ksym)) {
1726 case KS_GROUP_Ascii:
1727 case KS_GROUP_Keypad:
1728 case KS_GROUP_Function:
1729 res = ksym;
1730 break;
1731
1732 case KS_GROUP_Mod:
1733 if (ksym == KS_Multi_key) {
1734 update_modifier(id, 1, 0, MOD_COMPOSE);
1735 id->t_composelen = 2;
1736 }
1737 break;
1738
1739 case KS_GROUP_Dead:
1740 if (id->t_composelen == 0) {
1741 update_modifier(id, 1, 0, MOD_COMPOSE);
1742 id->t_composelen = 1;
1743 id->t_composebuf[0] = ksym;
1744 } else
1745 res = ksym;
1746 break;
1747 }
1748
1749 if (res == KS_voidSymbol) {
1750 update_leds(id);
1751 return (0);
1752 }
1753
1754 if (id->t_composelen > 0) {
1755 id->t_composebuf[2 - id->t_composelen] = res;
1756 if (--id->t_composelen == 0) {
1757 res = wskbd_compose_value(id->t_composebuf);
1758 update_modifier(id, 0, 0, MOD_COMPOSE);
1759 } else {
1760 return (0);
1761 }
1762 }
1763
1764 update_leds(id);
1765
1766 /* We are done, return the symbol */
1767 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1768 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1769 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1770 res = res & 0x1f;
1771 else if (res == KS_2)
1772 res = 0x00;
1773 else if (res >= KS_3 && res <= KS_7)
1774 res = KS_Escape + (res - KS_3);
1775 else if (res == KS_8)
1776 res = KS_Delete;
1777 }
1778 if (MOD_ONESET(id, MOD_ANYMETA)) {
1779 if (id->t_flags & WSKFL_METAESC) {
1780 id->t_symbols[0] = KS_Escape;
1781 id->t_symbols[1] = res;
1782 return (2);
1783 } else
1784 res |= 0x80;
1785 }
1786 }
1787
1788 id->t_symbols[0] = res;
1789 return (1);
1790 }
1791