wskbd.c revision 1.86.4.4 1 /* $NetBSD: wskbd.c,v 1.86.4.4 2006/05/06 23:31:29 christos 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 1.86.4.4 2006/05/06 23:31:29 christos 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 struct callout 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, caddr_t, 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, caddr_t, 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, caddr_t, 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,
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 #if NWSDISPLAY > 0
322 static void wskbd_repeat(void *v);
323 #endif
324
325 static int wskbd_console_initted;
326 static struct wskbd_softc *wskbd_console_device;
327 static struct wskbd_internal wskbd_console_data;
328
329 static void wskbd_update_layout(struct wskbd_internal *, kbd_t);
330
331 static void
332 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
333 {
334
335 if (enc & KB_METAESC)
336 id->t_flags |= WSKFL_METAESC;
337 else
338 id->t_flags &= ~WSKFL_METAESC;
339 }
340
341 /*
342 * Print function (for parent devices).
343 */
344 int
345 wskbddevprint(void *aux, const char *pnp)
346 {
347 #if 0
348 struct wskbddev_attach_args *ap = aux;
349 #endif
350
351 if (pnp)
352 aprint_normal("wskbd at %s", pnp);
353 #if 0
354 aprint_normal(" console %d", ap->console);
355 #endif
356
357 return (UNCONF);
358 }
359
360 int
361 wskbd_match(struct device *parent, struct cfdata *match, void *aux)
362 {
363 struct wskbddev_attach_args *ap = aux;
364
365 if (match->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) {
366 /*
367 * If console-ness of device specified, either match
368 * exactly (at high priority), or fail.
369 */
370 if (match->wskbddevcf_console != 0 && ap->console != 0)
371 return (10);
372 else
373 return (0);
374 }
375
376 /* If console-ness unspecified, it wins. */
377 return (1);
378 }
379
380 void
381 wskbd_attach(struct device *parent, struct device *self, void *aux)
382 {
383 struct wskbd_softc *sc = (struct wskbd_softc *)self;
384 struct wskbddev_attach_args *ap = aux;
385 #if NWSMUX > 0
386 int mux, error;
387 #endif
388
389 sc->sc_isconsole = ap->console;
390
391 #if NWSMUX > 0 || NWSDISPLAY > 0
392 sc->sc_base.me_ops = &wskbd_srcops;
393 #endif
394 #if NWSMUX > 0
395 mux = device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux;
396 if (ap->console) {
397 /* Ignore mux for console; it always goes to the console mux. */
398 /* printf(" (mux %d ignored for console)", mux); */
399 mux = -1;
400 }
401 if (mux >= 0)
402 printf(" mux %d", mux);
403 #else
404 if (device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
405 printf(" (mux ignored)");
406 #endif
407
408 if (ap->console) {
409 sc->id = &wskbd_console_data;
410 } else {
411 sc->id = malloc(sizeof(struct wskbd_internal),
412 M_DEVBUF, M_WAITOK|M_ZERO);
413 sc->id->t_keymap = ap->keymap;
414 wskbd_update_layout(sc->id, ap->keymap->layout);
415 }
416
417 callout_init(&sc->sc_repeat_ch);
418
419 sc->id->t_sc = sc;
420
421 sc->sc_accessops = ap->accessops;
422 sc->sc_accesscookie = ap->accesscookie;
423 sc->sc_repeating = 0;
424 sc->sc_translating = 1;
425 sc->sc_ledstate = -1; /* force update */
426
427 if (wskbd_load_keymap(sc->id->t_keymap,
428 &sc->sc_map, &sc->sc_maplen) != 0)
429 panic("cannot load keymap");
430
431 sc->sc_layout = sc->id->t_keymap->layout;
432
433 /* set default bell and key repeat data */
434 sc->sc_bell_data = wskbd_default_bell_data;
435 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
436
437 #ifdef WSDISPLAY_SCROLLSUPPORT
438 sc->sc_scroll_data = wskbd_default_scroll_data;
439 #endif
440
441 if (ap->console) {
442 KASSERT(wskbd_console_initted);
443 KASSERT(wskbd_console_device == NULL);
444
445 wskbd_console_device = sc;
446
447 printf(": 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 printf(", using %s", sc->sc_base.me_dispdv->dv_xname);
453 #endif
454 }
455 printf("\n");
456
457 #if NWSMUX > 0
458 if (mux >= 0) {
459 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
460 if (error)
461 printf("%s: attach error=%d\n",
462 sc->sc_base.me_dv.dv_xname, error);
463 }
464 #endif
465 }
466
467 void
468 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
469 const struct wskbd_mapdata *mapdata)
470 {
471 KASSERT(!wskbd_console_initted);
472
473 wskbd_console_data.t_keymap = mapdata;
474 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
475
476 wskbd_console_data.t_consops = consops;
477 wskbd_console_data.t_consaccesscookie = conscookie;
478
479 #if NWSDISPLAY > 0
480 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
481 #endif
482
483 wskbd_console_initted = 1;
484 }
485
486 void
487 wskbd_cndetach(void)
488 {
489 KASSERT(wskbd_console_initted);
490
491 wskbd_console_data.t_keymap = 0;
492
493 wskbd_console_data.t_consops = 0;
494 wskbd_console_data.t_consaccesscookie = 0;
495
496 #if NWSDISPLAY > 0
497 wsdisplay_unset_cons_kbd();
498 #endif
499
500 wskbd_console_initted = 0;
501 }
502
503 static void
504 wskbd_repeat(void *v)
505 {
506 struct wskbd_softc *sc = (struct wskbd_softc *)v;
507 int s = spltty();
508
509 if (!sc->sc_repeating) {
510 /*
511 * race condition: a "key up" event came in when wskbd_repeat()
512 * was already called but not yet spltty()'d
513 */
514 splx(s);
515 return;
516 }
517 if (sc->sc_translating) {
518 /* deliver keys */
519 #if NWSDISPLAY > 0
520 if (sc->sc_base.me_dispdv != NULL) {
521 int i;
522 for (i = 0; i < sc->sc_repeating; i++)
523 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
524 sc->id->t_symbols[i]);
525 }
526 #endif
527 } else {
528 #if defined(WSKBD_EVENT_AUTOREPEAT)
529 /* queue event */
530 wskbd_deliver_event(sc, sc->sc_repeat_type,
531 sc->sc_repeat_value);
532 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
533 }
534 callout_reset(&sc->sc_repeat_ch,
535 (hz * sc->sc_keyrepeat_data.delN) / 1000, wskbd_repeat, sc);
536 splx(s);
537 }
538
539 int
540 wskbd_activate(struct device *self, enum devact act)
541 {
542 struct wskbd_softc *sc = (struct wskbd_softc *)self;
543
544 if (act == DVACT_DEACTIVATE)
545 sc->sc_dying = 1;
546 return (0);
547 }
548
549 /*
550 * Detach a keyboard. To keep track of users of the softc we keep
551 * a reference count that's incremented while inside, e.g., read.
552 * If the keyboard is active and the reference count is > 0 (0 is the
553 * normal state) we post an event and then wait for the process
554 * that had the reference to wake us up again. Then we blow away the
555 * vnode and return (which will deallocate the softc).
556 */
557 int
558 wskbd_detach(struct device *self, int flags)
559 {
560 struct wskbd_softc *sc = (struct wskbd_softc *)self;
561 struct wseventvar *evar;
562 int maj, mn;
563 int s;
564
565 #if NWSMUX > 0
566 /* Tell parent mux we're leaving. */
567 if (sc->sc_base.me_parent != NULL)
568 wsmux_detach_sc(&sc->sc_base);
569 #endif
570
571 if (sc->sc_isconsole) {
572 KASSERT(wskbd_console_device == sc);
573 wskbd_console_device = NULL;
574 }
575
576 evar = sc->sc_base.me_evp;
577 if (evar != NULL && evar->io != NULL) {
578 s = spltty();
579 if (--sc->sc_refcnt >= 0) {
580 struct wscons_event event;
581
582 /* Wake everyone by generating a dummy event. */
583 event.type = 0;
584 event.value = 0;
585 if (wsevent_inject(evar, &event, 1) != 0)
586 wsevent_wakeup(evar);
587
588 /* Wait for processes to go away. */
589 if (tsleep(sc, PZERO, "wskdet", hz * 60))
590 printf("wskbd_detach: %s didn't detach\n",
591 sc->sc_base.me_dv.dv_xname);
592 }
593 splx(s);
594 }
595
596 /* locate the major number */
597 maj = cdevsw_lookup_major(&wskbd_cdevsw);
598
599 /* Nuke the vnodes for any open instances. */
600 mn = device_unit(self);
601 vdevgone(maj, mn, mn, VCHR);
602
603 return (0);
604 }
605
606 void
607 wskbd_input(struct device *dev, u_int type, int value)
608 {
609 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
610 #if NWSDISPLAY > 0
611 int num, i;
612 #endif
613
614 if (sc->sc_repeating) {
615 sc->sc_repeating = 0;
616 callout_stop(&sc->sc_repeat_ch);
617 }
618
619 #if NWSDISPLAY > 0
620 /*
621 * If /dev/wskbdN is not connected in event mode translate and
622 * send upstream.
623 */
624 if (sc->sc_translating) {
625 num = wskbd_translate(sc->id, type, value);
626 if (num > 0) {
627 if (sc->sc_base.me_dispdv != NULL) {
628 #ifdef WSDISPLAY_SCROLLSUPPORT
629 if (sc->id->t_symbols [0] != KS_Print_Screen) {
630 wsdisplay_scroll(sc->sc_base.
631 me_dispdv, WSDISPLAY_SCROLL_RESET);
632 }
633 #endif
634 for (i = 0; i < num; i++)
635 wsdisplay_kbdinput(
636 sc->sc_base.me_dispdv,
637 sc->id->t_symbols[i]);
638 }
639
640 if (sc->sc_keyrepeat_data.del1 != 0) {
641 sc->sc_repeating = num;
642 callout_reset(&sc->sc_repeat_ch,
643 (hz * sc->sc_keyrepeat_data.del1) / 1000,
644 wskbd_repeat, sc);
645 }
646 }
647 return;
648 }
649 #endif
650
651 wskbd_deliver_event(sc, type, value);
652
653 #if defined(WSKBD_EVENT_AUTOREPEAT)
654 /* Repeat key presses if set. */
655 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
656 sc->sc_repeat_type = type;
657 sc->sc_repeat_value = value;
658 sc->sc_repeating = 1;
659 callout_reset(&sc->sc_repeat_ch,
660 (hz * sc->sc_keyrepeat_data.del1) / 1000,
661 wskbd_repeat, sc);
662 }
663 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
664 }
665
666 /*
667 * Keyboard is generating events. Turn this keystroke into an
668 * event and put it in the queue. If the queue is full, the
669 * keystroke is lost (sorry!).
670 */
671 static void
672 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
673 {
674 struct wseventvar *evar;
675 struct wscons_event event;
676
677 evar = sc->sc_base.me_evp;
678
679 if (evar == NULL) {
680 DPRINTF(("wskbd_input: not open\n"));
681 return;
682 }
683
684 #ifdef DIAGNOSTIC
685 if (evar->q == NULL) {
686 printf("wskbd_input: evar->q=NULL\n");
687 return;
688 }
689 #endif
690
691 event.type = type;
692 event.value = value;
693 if (wsevent_inject(evar, &event, 1) != 0)
694 log(LOG_WARNING, "%s: event queue overflow\n",
695 sc->sc_base.me_dv.dv_xname);
696 }
697
698 #ifdef WSDISPLAY_COMPAT_RAWKBD
699 void
700 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
701 {
702 #if NWSDISPLAY > 0
703 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
704 int i;
705
706 if (sc->sc_base.me_dispdv != NULL)
707 for (i = 0; i < len; i++)
708 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
709 /* this is KS_GROUP_Ascii */
710 #endif
711 }
712 #endif /* WSDISPLAY_COMPAT_RAWKBD */
713
714 #if NWSDISPLAY > 0
715 static void
716 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
717 {
718 int new_state;
719
720 if (sc->sc_base.me_dispdv != NULL) {
721 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
722 new_state = sc->sc_ledstate;
723 if (hold)
724 new_state |= WSKBD_LED_SCROLL;
725 else
726 new_state &= ~WSKBD_LED_SCROLL;
727 if (new_state != sc->sc_ledstate) {
728 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
729 new_state);
730 sc->sc_ledstate = new_state;
731 }
732 }
733 }
734 #endif
735
736 static int
737 wskbd_enable(struct wskbd_softc *sc, int on)
738 {
739 int error;
740
741 #if 0
742 /* I don't understand the purpose of this code. And it seems to
743 * break things, so it's out. -- Lennart
744 */
745 if (!on && (!sc->sc_translating
746 #if NWSDISPLAY > 0
747 || sc->sc_base.me_dispdv
748 #endif
749 ))
750 return (EBUSY);
751 #endif
752 #if NWSDISPLAY > 0
753 if (sc->sc_base.me_dispdv != NULL)
754 return (0);
755 #endif
756
757 /* Always cancel auto repeat when fiddling with the kbd. */
758 if (sc->sc_repeating) {
759 sc->sc_repeating = 0;
760 callout_stop(&sc->sc_repeat_ch);
761 }
762
763 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
764 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
765 return (error);
766 }
767
768 #if NWSMUX > 0
769 int
770 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
771 {
772 struct wskbd_softc *sc = (struct wskbd_softc *)me;
773
774 if (sc->sc_dying)
775 return (EIO);
776
777 if (sc->sc_base.me_evp != NULL)
778 return (EBUSY);
779
780 return (wskbd_do_open(sc, evp));
781 }
782 #endif
783
784 int
785 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
786 {
787 struct wskbd_softc *sc;
788 struct wseventvar *evar;
789 int unit, error;
790
791 unit = minor(dev);
792 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
793 (sc = wskbd_cd.cd_devs[unit]) == NULL)
794 return (ENXIO);
795
796 #if NWSMUX > 0
797 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
798 sc->sc_base.me_parent, l));
799 #endif
800
801 if (sc->sc_dying)
802 return (EIO);
803
804 if ((flags & (FREAD | FWRITE)) == FWRITE)
805 /* Not opening for read, only ioctl is available. */
806 return (0);
807
808 #if NWSMUX > 0
809 if (sc->sc_base.me_parent != NULL) {
810 /* Grab the keyboard out of the greedy hands of the mux. */
811 DPRINTF(("wskbdopen: detach\n"));
812 wsmux_detach_sc(&sc->sc_base);
813 }
814 #endif
815
816 if (sc->sc_base.me_evp != NULL)
817 return (EBUSY);
818
819 evar = &sc->sc_base.me_evar;
820 wsevent_init(evar, l->l_proc);
821
822 error = wskbd_do_open(sc, evar);
823 if (error) {
824 DPRINTF(("wskbdopen: %s open failed\n",
825 sc->sc_base.me_dv.dv_xname));
826 sc->sc_base.me_evp = NULL;
827 wsevent_fini(evar);
828 }
829 return (error);
830 }
831
832 int
833 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
834 {
835 sc->sc_base.me_evp = evp;
836 sc->sc_translating = 0;
837
838 return (wskbd_enable(sc, 1));
839 }
840
841 int
842 wskbdclose(dev_t dev, int flags, int mode, struct lwp *l)
843 {
844 struct wskbd_softc *sc =
845 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
846 struct wseventvar *evar = sc->sc_base.me_evp;
847
848 if (evar == NULL)
849 /* not open for read */
850 return (0);
851
852 sc->sc_base.me_evp = NULL;
853 sc->sc_translating = 1;
854 (void)wskbd_enable(sc, 0);
855 wsevent_fini(evar);
856
857 return (0);
858 }
859
860 #if NWSMUX > 0
861 int
862 wskbd_mux_close(struct wsevsrc *me)
863 {
864 struct wskbd_softc *sc = (struct wskbd_softc *)me;
865
866 sc->sc_base.me_evp = NULL;
867 sc->sc_translating = 1;
868 (void)wskbd_enable(sc, 0);
869
870 return (0);
871 }
872 #endif
873
874 int
875 wskbdread(dev_t dev, struct uio *uio, int flags)
876 {
877 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
878 int error;
879
880 if (sc->sc_dying)
881 return (EIO);
882
883 #ifdef DIAGNOSTIC
884 if (sc->sc_base.me_evp == NULL) {
885 printf("wskbdread: evp == NULL\n");
886 return (EINVAL);
887 }
888 #endif
889
890 sc->sc_refcnt++;
891 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
892 if (--sc->sc_refcnt < 0) {
893 wakeup(sc);
894 error = EIO;
895 }
896 return (error);
897 }
898
899 int
900 wskbdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l)
901 {
902 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
903 }
904
905 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
906 int
907 wskbd_do_ioctl(struct device *dv, u_long cmd, caddr_t data, int flag,
908 struct lwp *l)
909 {
910 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
911 int error;
912
913 sc->sc_refcnt++;
914 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
915 if (--sc->sc_refcnt < 0)
916 wakeup(sc);
917 return (error);
918 }
919
920 int
921 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data, int flag,
922 struct lwp *l)
923 {
924
925 /*
926 * Try the generic ioctls that the wskbd interface supports.
927 */
928 switch (cmd) {
929 case FIONBIO: /* we will remove this someday (soon???) */
930 return (0);
931
932 case FIOASYNC:
933 if (sc->sc_base.me_evp == NULL)
934 return (EINVAL);
935 sc->sc_base.me_evp->async = *(int *)data != 0;
936 return (0);
937
938 case FIOSETOWN:
939 if (sc->sc_base.me_evp == NULL)
940 return (EINVAL);
941 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
942 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
943 return (EPERM);
944 return (0);
945
946 case TIOCSPGRP:
947 if (sc->sc_base.me_evp == NULL)
948 return (EINVAL);
949 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
950 return (EPERM);
951 return (0);
952 }
953
954 /*
955 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
956 * if it didn't recognize the request.
957 */
958 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
959 }
960
961 /*
962 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
963 * Some of these have no real effect in raw mode, however.
964 */
965 static int
966 wskbd_displayioctl(struct device *dev, u_long cmd, caddr_t data, int flag,
967 struct lwp *l)
968 {
969 #ifdef WSDISPLAY_SCROLLSUPPORT
970 struct wskbd_scroll_data *usdp, *ksdp;
971 #endif
972 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
973 struct wskbd_bell_data *ubdp, *kbdp;
974 struct wskbd_keyrepeat_data *ukdp, *kkdp;
975 struct wskbd_map_data *umdp;
976 struct wskbd_mapdata md;
977 struct proc *p = l ? l->l_proc : NULL;
978 kbd_t enc;
979 void *tbuf;
980 int len, error;
981
982 switch (cmd) {
983 #define SETBELL(dstp, srcp, dfltp) \
984 do { \
985 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
986 (srcp)->pitch : (dfltp)->pitch; \
987 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
988 (srcp)->period : (dfltp)->period; \
989 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
990 (srcp)->volume : (dfltp)->volume; \
991 (dstp)->which = WSKBD_BELL_DOALL; \
992 } while (0)
993
994 case WSKBDIO_BELL:
995 if ((flag & FWRITE) == 0)
996 return (EACCES);
997 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
998 WSKBDIO_COMPLEXBELL, (caddr_t)&sc->sc_bell_data, flag, l));
999
1000 case WSKBDIO_COMPLEXBELL:
1001 if ((flag & FWRITE) == 0)
1002 return (EACCES);
1003 ubdp = (struct wskbd_bell_data *)data;
1004 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1005 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1006 WSKBDIO_COMPLEXBELL, (caddr_t)ubdp, flag, l));
1007
1008 case WSKBDIO_SETBELL:
1009 if ((flag & FWRITE) == 0)
1010 return (EACCES);
1011 kbdp = &sc->sc_bell_data;
1012 setbell:
1013 ubdp = (struct wskbd_bell_data *)data;
1014 SETBELL(kbdp, ubdp, kbdp);
1015 return (0);
1016
1017 case WSKBDIO_GETBELL:
1018 kbdp = &sc->sc_bell_data;
1019 getbell:
1020 ubdp = (struct wskbd_bell_data *)data;
1021 SETBELL(ubdp, kbdp, kbdp);
1022 return (0);
1023
1024 case WSKBDIO_SETDEFAULTBELL:
1025 if (p && (error = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, &p->p_acflag)) != 0)
1026 return (error);
1027 kbdp = &wskbd_default_bell_data;
1028 goto setbell;
1029
1030
1031 case WSKBDIO_GETDEFAULTBELL:
1032 kbdp = &wskbd_default_bell_data;
1033 goto getbell;
1034
1035 #undef SETBELL
1036
1037 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1038 do { \
1039 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1040 (srcp)->del1 : (dfltp)->del1; \
1041 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1042 (srcp)->delN : (dfltp)->delN; \
1043 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1044 } while (0)
1045
1046 case WSKBDIO_SETKEYREPEAT:
1047 if ((flag & FWRITE) == 0)
1048 return (EACCES);
1049 kkdp = &sc->sc_keyrepeat_data;
1050 setkeyrepeat:
1051 ukdp = (struct wskbd_keyrepeat_data *)data;
1052 SETKEYREPEAT(kkdp, ukdp, kkdp);
1053 return (0);
1054
1055 case WSKBDIO_GETKEYREPEAT:
1056 kkdp = &sc->sc_keyrepeat_data;
1057 getkeyrepeat:
1058 ukdp = (struct wskbd_keyrepeat_data *)data;
1059 SETKEYREPEAT(ukdp, kkdp, kkdp);
1060 return (0);
1061
1062 case WSKBDIO_SETDEFAULTKEYREPEAT:
1063 if ((error = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, &p->p_acflag)) != 0)
1064 return (error);
1065 kkdp = &wskbd_default_keyrepeat_data;
1066 goto setkeyrepeat;
1067
1068
1069 case WSKBDIO_GETDEFAULTKEYREPEAT:
1070 kkdp = &wskbd_default_keyrepeat_data;
1071 goto getkeyrepeat;
1072
1073 #ifdef WSDISPLAY_SCROLLSUPPORT
1074 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1075 do { \
1076 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1077 (srcp)->mode : (dfltp)->mode; \
1078 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1079 (srcp)->modifier : (dfltp)->modifier; \
1080 (dstp)->which = WSKBD_SCROLL_DOALL; \
1081 } while (0)
1082
1083 case WSKBDIO_SETSCROLL:
1084 usdp = (struct wskbd_scroll_data *)data;
1085 ksdp = &sc->sc_scroll_data;
1086 SETSCROLLMOD(ksdp, usdp, ksdp);
1087 return (0);
1088
1089 case WSKBDIO_GETSCROLL:
1090 usdp = (struct wskbd_scroll_data *)data;
1091 ksdp = &sc->sc_scroll_data;
1092 SETSCROLLMOD(usdp, ksdp, ksdp);
1093 return (0);
1094 #else
1095 case WSKBDIO_GETSCROLL:
1096 case WSKBDIO_SETSCROLL:
1097 return ENODEV;
1098 #endif
1099
1100 #undef SETKEYREPEAT
1101
1102 case WSKBDIO_SETMAP:
1103 if ((flag & FWRITE) == 0)
1104 return (EACCES);
1105 umdp = (struct wskbd_map_data *)data;
1106 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1107 return (EINVAL);
1108
1109 len = umdp->maplen*sizeof(struct wscons_keymap);
1110 tbuf = malloc(len, M_TEMP, M_WAITOK);
1111 error = copyin(umdp->map, tbuf, len);
1112 if (error == 0) {
1113 wskbd_init_keymap(umdp->maplen,
1114 &sc->sc_map, &sc->sc_maplen);
1115 memcpy(sc->sc_map, tbuf, len);
1116 /* drop the variant bits handled by the map */
1117 sc->sc_layout = KB_USER |
1118 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1119 wskbd_update_layout(sc->id, sc->sc_layout);
1120 }
1121 free(tbuf, M_TEMP);
1122 return(error);
1123
1124 case WSKBDIO_GETMAP:
1125 umdp = (struct wskbd_map_data *)data;
1126 if (umdp->maplen > sc->sc_maplen)
1127 umdp->maplen = sc->sc_maplen;
1128 error = copyout(sc->sc_map, umdp->map,
1129 umdp->maplen*sizeof(struct wscons_keymap));
1130 return(error);
1131
1132 case WSKBDIO_GETENCODING:
1133 *((kbd_t *) data) = sc->sc_layout;
1134 return(0);
1135
1136 case WSKBDIO_SETENCODING:
1137 if ((flag & FWRITE) == 0)
1138 return (EACCES);
1139 enc = *((kbd_t *)data);
1140 if (KB_ENCODING(enc) == KB_USER) {
1141 /* user map must already be loaded */
1142 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1143 return (EINVAL);
1144 /* map variants make no sense */
1145 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1146 return (EINVAL);
1147 } else {
1148 md = *(sc->id->t_keymap); /* structure assignment */
1149 md.layout = enc;
1150 error = wskbd_load_keymap(&md, &sc->sc_map,
1151 &sc->sc_maplen);
1152 if (error)
1153 return (error);
1154 }
1155 sc->sc_layout = enc;
1156 wskbd_update_layout(sc->id, enc);
1157 return (0);
1158 }
1159
1160 /*
1161 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1162 * if it didn't recognize the request, and in turn we return
1163 * -1 if we didn't recognize the request.
1164 */
1165 /* printf("kbdaccess\n"); */
1166 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1167 flag, l);
1168 #ifdef WSDISPLAY_COMPAT_RAWKBD
1169 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1170 int s = spltty();
1171 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1172 | MOD_CONTROL_L | MOD_CONTROL_R
1173 | MOD_META_L | MOD_META_R
1174 | MOD_COMMAND
1175 | MOD_COMMAND1 | MOD_COMMAND2);
1176 if (sc->sc_repeating) {
1177 sc->sc_repeating = 0;
1178 callout_stop(&sc->sc_repeat_ch);
1179 }
1180 splx(s);
1181 }
1182 #endif
1183 return (error);
1184 }
1185
1186 int
1187 wskbdpoll(dev_t dev, int events, struct lwp *l)
1188 {
1189 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1190
1191 if (sc->sc_base.me_evp == NULL)
1192 return (POLLERR);
1193 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1194 }
1195
1196 int
1197 wskbdkqfilter(dev_t dev, struct knote *kn)
1198 {
1199 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1200
1201 if (sc->sc_base.me_evp == NULL)
1202 return (1);
1203 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1204 }
1205
1206 #if NWSDISPLAY > 0
1207
1208 int
1209 wskbd_pickfree(void)
1210 {
1211 int i;
1212 struct wskbd_softc *sc;
1213
1214 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1215 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1216 continue;
1217 if (sc->sc_base.me_dispdv == NULL)
1218 return (i);
1219 }
1220 return (-1);
1221 }
1222
1223 struct wsevsrc *
1224 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1225 {
1226 struct wskbd_softc *sc = wskbd_console_device;
1227
1228 if (sc == NULL)
1229 return (NULL);
1230 sc->sc_base.me_dispdv = displaydv;
1231 #if NWSMUX > 0
1232 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1233 #endif
1234 return (&sc->sc_base);
1235 }
1236
1237 int
1238 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1239 {
1240 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1241 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1242 struct device *odisplaydv;
1243 int error;
1244
1245 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1246 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1247 sc->sc_isconsole));
1248
1249 if (sc->sc_isconsole)
1250 return (EBUSY);
1251
1252 if (displaydv != NULL) {
1253 if (sc->sc_base.me_dispdv != NULL)
1254 return (EBUSY);
1255 } else {
1256 if (sc->sc_base.me_dispdv == NULL)
1257 return (ENXIO);
1258 }
1259
1260 odisplaydv = sc->sc_base.me_dispdv;
1261 sc->sc_base.me_dispdv = NULL;
1262 error = wskbd_enable(sc, displaydv != NULL);
1263 sc->sc_base.me_dispdv = displaydv;
1264 if (error) {
1265 sc->sc_base.me_dispdv = odisplaydv;
1266 return (error);
1267 }
1268
1269 if (displaydv)
1270 printf("%s: connecting to %s\n",
1271 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1272 else
1273 printf("%s: disconnecting from %s\n",
1274 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1275
1276 return (0);
1277 }
1278
1279 #endif /* NWSDISPLAY > 0 */
1280
1281 #if NWSMUX > 0
1282 int
1283 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1284 {
1285 struct wskbd_softc *sc;
1286
1287 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1288 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1289 return (ENXIO);
1290
1291 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1292 return (EBUSY);
1293
1294 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1295 }
1296 #endif
1297
1298 /*
1299 * Console interface.
1300 */
1301 int
1302 wskbd_cngetc(dev_t dev)
1303 {
1304 static int num = 0;
1305 static int pos;
1306 u_int type;
1307 int data;
1308 keysym_t ks;
1309
1310 if (!wskbd_console_initted)
1311 return 0;
1312
1313 if (wskbd_console_device != NULL &&
1314 !wskbd_console_device->sc_translating)
1315 return 0;
1316
1317 for(;;) {
1318 if (num-- > 0) {
1319 ks = wskbd_console_data.t_symbols[pos++];
1320 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1321 return (KS_VALUE(ks));
1322 } else {
1323 (*wskbd_console_data.t_consops->getc)
1324 (wskbd_console_data.t_consaccesscookie,
1325 &type, &data);
1326 if (type == WSCONS_EVENT_ASCII) {
1327 /*
1328 * We assume that when the driver falls back
1329 * to deliver pure ASCII it is in a state that
1330 * it can not track press/release events
1331 * reliable - so we clear all previously
1332 * accuulated modifier state.
1333 */
1334 wskbd_console_data.t_modifiers = 0;
1335 return(data);
1336 }
1337 num = wskbd_translate(&wskbd_console_data, type, data);
1338 pos = 0;
1339 }
1340 }
1341 }
1342
1343 void
1344 wskbd_cnpollc(dev_t dev, int poll)
1345 {
1346
1347 if (!wskbd_console_initted)
1348 return;
1349
1350 if (wskbd_console_device != NULL &&
1351 !wskbd_console_device->sc_translating)
1352 return;
1353
1354 (*wskbd_console_data.t_consops->pollc)
1355 (wskbd_console_data.t_consaccesscookie, poll);
1356 }
1357
1358 void
1359 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1360 {
1361
1362 if (!wskbd_console_initted)
1363 return;
1364
1365 if (wskbd_console_data.t_consops->bell != NULL)
1366 (*wskbd_console_data.t_consops->bell)
1367 (wskbd_console_data.t_consaccesscookie, pitch, period,
1368 volume);
1369 }
1370
1371 static inline void
1372 update_leds(struct wskbd_internal *id)
1373 {
1374 int new_state;
1375
1376 new_state = 0;
1377 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1378 new_state |= WSKBD_LED_CAPS;
1379 if (id->t_modifiers & MOD_NUMLOCK)
1380 new_state |= WSKBD_LED_NUM;
1381 if (id->t_modifiers & MOD_COMPOSE)
1382 new_state |= WSKBD_LED_COMPOSE;
1383 if (id->t_modifiers & MOD_HOLDSCREEN)
1384 new_state |= WSKBD_LED_SCROLL;
1385
1386 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1387 (*id->t_sc->sc_accessops->set_leds)
1388 (id->t_sc->sc_accesscookie, new_state);
1389 id->t_sc->sc_ledstate = new_state;
1390 }
1391 }
1392
1393 static inline void
1394 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1395 {
1396 if (toggle) {
1397 if (type == WSCONS_EVENT_KEY_DOWN)
1398 id->t_modifiers ^= mask;
1399 } else {
1400 if (type == WSCONS_EVENT_KEY_DOWN)
1401 id->t_modifiers |= mask;
1402 else
1403 id->t_modifiers &= ~mask;
1404 }
1405 }
1406
1407 #if NWSDISPLAY > 0
1408 static void
1409 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1410 int wraparound)
1411 {
1412 int res;
1413 struct wsdisplay_param dp;
1414
1415 dp.param = param;
1416 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1417
1418 if (res == EINVAL)
1419 return; /* no such parameter */
1420
1421 dp.curval += updown;
1422 if (dp.max < dp.curval)
1423 dp.curval = wraparound ? dp.min : dp.max;
1424 else
1425 if (dp.curval < dp.min)
1426 dp.curval = wraparound ? dp.max : dp.min;
1427 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1428 }
1429 #endif
1430
1431 static int
1432 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1433 keysym_t ksym2)
1434 {
1435 #ifdef WSDISPLAY_SCROLLSUPPORT
1436 u_int state = 0;
1437 #endif
1438 switch (ksym) {
1439 #ifdef WSDISPLAY_SCROLLSUPPORT
1440 case KS_Cmd_ScrollFastUp:
1441 case KS_Cmd_ScrollFastDown:
1442 if (*type == WSCONS_EVENT_KEY_DOWN) {
1443 GETMODSTATE(sc->id->t_modifiers, state);
1444 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1445 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1446 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1447 && sc->sc_scroll_data.modifier == state)) {
1448 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1449 wsdisplay_scroll(sc->sc_base.me_dispdv,
1450 (ksym == KS_Cmd_ScrollFastUp) ?
1451 WSDISPLAY_SCROLL_BACKWARD :
1452 WSDISPLAY_SCROLL_FORWARD);
1453 return (1);
1454 } else {
1455 return (0);
1456 }
1457 }
1458
1459 case KS_Cmd_ScrollSlowUp:
1460 case KS_Cmd_ScrollSlowDown:
1461 if (*type == WSCONS_EVENT_KEY_DOWN) {
1462 GETMODSTATE(sc->id->t_modifiers, state);
1463 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1464 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1465 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1466 && sc->sc_scroll_data.modifier == state)) {
1467 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1468 wsdisplay_scroll(sc->sc_base.me_dispdv,
1469 (ksym == KS_Cmd_ScrollSlowUp) ?
1470 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1471 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1472 return (1);
1473 } else {
1474 return (0);
1475 }
1476 }
1477 #endif
1478
1479 case KS_Cmd:
1480 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1481 ksym = ksym2;
1482 break;
1483
1484 case KS_Cmd1:
1485 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1486 break;
1487
1488 case KS_Cmd2:
1489 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1490 break;
1491 }
1492
1493 if (*type != WSCONS_EVENT_KEY_DOWN ||
1494 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1495 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1496 return (0);
1497
1498 #if defined(DDB) || defined(KGDB)
1499 if (ksym == KS_Cmd_Debugger) {
1500 if (sc->sc_isconsole) {
1501 #ifdef DDB
1502 console_debugger();
1503 #endif
1504 #ifdef KGDB
1505 kgdb_connect(1);
1506 #endif
1507 }
1508 /* discard this key (ddb discarded command modifiers) */
1509 *type = WSCONS_EVENT_KEY_UP;
1510 return (1);
1511 }
1512 #endif
1513
1514 #if NWSDISPLAY > 0
1515 if (sc->sc_base.me_dispdv == NULL)
1516 return (0);
1517
1518 switch (ksym) {
1519 case KS_Cmd_Screen0:
1520 case KS_Cmd_Screen1:
1521 case KS_Cmd_Screen2:
1522 case KS_Cmd_Screen3:
1523 case KS_Cmd_Screen4:
1524 case KS_Cmd_Screen5:
1525 case KS_Cmd_Screen6:
1526 case KS_Cmd_Screen7:
1527 case KS_Cmd_Screen8:
1528 case KS_Cmd_Screen9:
1529 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1530 return (1);
1531 case KS_Cmd_ResetEmul:
1532 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1533 return (1);
1534 case KS_Cmd_ResetClose:
1535 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1536 return (1);
1537 case KS_Cmd_BacklightOn:
1538 case KS_Cmd_BacklightOff:
1539 case KS_Cmd_BacklightToggle:
1540 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1541 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1542 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1543 return (1);
1544 case KS_Cmd_BrightnessUp:
1545 case KS_Cmd_BrightnessDown:
1546 case KS_Cmd_BrightnessRotate:
1547 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1548 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1549 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1550 return (1);
1551 case KS_Cmd_ContrastUp:
1552 case KS_Cmd_ContrastDown:
1553 case KS_Cmd_ContrastRotate:
1554 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1555 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1556 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1557 return (1);
1558 }
1559 #endif
1560
1561 return (0);
1562 }
1563
1564 static int
1565 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1566 {
1567 struct wskbd_softc *sc = id->t_sc;
1568 keysym_t ksym, res, *group;
1569 struct wscons_keymap kpbuf, *kp;
1570 int iscommand = 0;
1571
1572 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1573 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1574 | MOD_CONTROL_L | MOD_CONTROL_R
1575 | MOD_META_L | MOD_META_R
1576 | MOD_MODESHIFT
1577 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1578 update_leds(id);
1579 return (0);
1580 }
1581
1582 if (sc != NULL) {
1583 if (value < 0 || value >= sc->sc_maplen) {
1584 #ifdef DEBUG
1585 printf("wskbd_translate: keycode %d out of range\n",
1586 value);
1587 #endif
1588 return (0);
1589 }
1590 kp = sc->sc_map + value;
1591 } else {
1592 kp = &kpbuf;
1593 wskbd_get_mapentry(id->t_keymap, value, kp);
1594 }
1595
1596 /* if this key has a command, process it first */
1597 if (sc != NULL && kp->command != KS_voidSymbol)
1598 iscommand = internal_command(sc, &type, kp->command,
1599 kp->group1[0]);
1600
1601 /* Now update modifiers */
1602 switch (kp->group1[0]) {
1603 case KS_Shift_L:
1604 update_modifier(id, type, 0, MOD_SHIFT_L);
1605 break;
1606
1607 case KS_Shift_R:
1608 update_modifier(id, type, 0, MOD_SHIFT_R);
1609 break;
1610
1611 case KS_Shift_Lock:
1612 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1613 break;
1614
1615 case KS_Caps_Lock:
1616 update_modifier(id, type, 1, MOD_CAPSLOCK);
1617 break;
1618
1619 case KS_Control_L:
1620 update_modifier(id, type, 0, MOD_CONTROL_L);
1621 break;
1622
1623 case KS_Control_R:
1624 update_modifier(id, type, 0, MOD_CONTROL_R);
1625 break;
1626
1627 case KS_Alt_L:
1628 update_modifier(id, type, 0, MOD_META_L);
1629 break;
1630
1631 case KS_Alt_R:
1632 update_modifier(id, type, 0, MOD_META_R);
1633 break;
1634
1635 case KS_Mode_switch:
1636 update_modifier(id, type, 0, MOD_MODESHIFT);
1637 break;
1638
1639 case KS_Num_Lock:
1640 update_modifier(id, type, 1, MOD_NUMLOCK);
1641 break;
1642
1643 #if NWSDISPLAY > 0
1644 case KS_Hold_Screen:
1645 if (sc != NULL) {
1646 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1647 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1648 }
1649 break;
1650 #endif
1651 }
1652
1653 /* If this is a key release or we are in command mode, we are done */
1654 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1655 update_leds(id);
1656 return (0);
1657 }
1658
1659 /* Get the keysym */
1660 if (id->t_modifiers & MOD_MODESHIFT)
1661 group = & kp->group2[0];
1662 else
1663 group = & kp->group1[0];
1664
1665 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1666 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1667 if (MOD_ONESET(id, MOD_ANYSHIFT))
1668 ksym = group[0];
1669 else
1670 ksym = group[1];
1671 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1672 ksym = group[0];
1673 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1674 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1675 ksym = group[0];
1676 else
1677 ksym = group[1];
1678 if (ksym >= KS_a && ksym <= KS_z)
1679 ksym += KS_A - KS_a;
1680 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1681 ksym != KS_division)
1682 ksym += KS_Agrave - KS_agrave;
1683 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1684 ksym = group[1];
1685 } else {
1686 ksym = group[0];
1687 }
1688
1689 /* Process compose sequence and dead accents */
1690 res = KS_voidSymbol;
1691
1692 switch (KS_GROUP(ksym)) {
1693 case KS_GROUP_Ascii:
1694 case KS_GROUP_Keypad:
1695 case KS_GROUP_Function:
1696 res = ksym;
1697 break;
1698
1699 case KS_GROUP_Mod:
1700 if (ksym == KS_Multi_key) {
1701 update_modifier(id, 1, 0, MOD_COMPOSE);
1702 id->t_composelen = 2;
1703 }
1704 break;
1705
1706 case KS_GROUP_Dead:
1707 if (id->t_composelen == 0) {
1708 update_modifier(id, 1, 0, MOD_COMPOSE);
1709 id->t_composelen = 1;
1710 id->t_composebuf[0] = ksym;
1711 } else
1712 res = ksym;
1713 break;
1714 }
1715
1716 if (res == KS_voidSymbol) {
1717 update_leds(id);
1718 return (0);
1719 }
1720
1721 if (id->t_composelen > 0) {
1722 id->t_composebuf[2 - id->t_composelen] = res;
1723 if (--id->t_composelen == 0) {
1724 res = wskbd_compose_value(id->t_composebuf);
1725 update_modifier(id, 0, 0, MOD_COMPOSE);
1726 } else {
1727 return (0);
1728 }
1729 }
1730
1731 update_leds(id);
1732
1733 /* We are done, return the symbol */
1734 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1735 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1736 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1737 res = res & 0x1f;
1738 else if (res == KS_2)
1739 res = 0x00;
1740 else if (res >= KS_3 && res <= KS_7)
1741 res = KS_Escape + (res - KS_3);
1742 else if (res == KS_8)
1743 res = KS_Delete;
1744 }
1745 if (MOD_ONESET(id, MOD_ANYMETA)) {
1746 if (id->t_flags & WSKFL_METAESC) {
1747 id->t_symbols[0] = KS_Escape;
1748 id->t_symbols[1] = res;
1749 return (2);
1750 } else
1751 res |= 0x80;
1752 }
1753 }
1754
1755 id->t_symbols[0] = res;
1756 return (1);
1757 }
1758