wskbd.c revision 1.104.6.4 1 /* $NetBSD: wskbd.c,v 1.104.6.4 2007/10/26 15:48:08 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 1.104.6.4 2007/10/26 15:48:08 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 (void)pnp_register(self, pnp_generic_power);
466 }
467
468 void
469 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
470 const struct wskbd_mapdata *mapdata)
471 {
472 KASSERT(!wskbd_console_initted);
473
474 wskbd_console_data.t_keymap = mapdata;
475 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
476
477 wskbd_console_data.t_consops = consops;
478 wskbd_console_data.t_consaccesscookie = conscookie;
479
480 #if NWSDISPLAY > 0
481 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
482 #endif
483
484 wskbd_console_initted = 1;
485 }
486
487 void
488 wskbd_cndetach(void)
489 {
490 KASSERT(wskbd_console_initted);
491
492 wskbd_console_data.t_keymap = 0;
493
494 wskbd_console_data.t_consops = 0;
495 wskbd_console_data.t_consaccesscookie = 0;
496
497 #if NWSDISPLAY > 0
498 wsdisplay_unset_cons_kbd();
499 #endif
500
501 wskbd_console_initted = 0;
502 }
503
504 static void
505 wskbd_repeat(void *v)
506 {
507 struct wskbd_softc *sc = (struct wskbd_softc *)v;
508 int s = spltty();
509
510 if (!sc->sc_repeating) {
511 /*
512 * race condition: a "key up" event came in when wskbd_repeat()
513 * was already called but not yet spltty()'d
514 */
515 splx(s);
516 return;
517 }
518 if (sc->sc_translating) {
519 /* deliver keys */
520 #if NWSDISPLAY > 0
521 if (sc->sc_base.me_dispdv != NULL) {
522 int i;
523 for (i = 0; i < sc->sc_repeating; i++)
524 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
525 sc->id->t_symbols[i]);
526 }
527 #endif
528 } else {
529 #if defined(WSKBD_EVENT_AUTOREPEAT)
530 /* queue event */
531 wskbd_deliver_event(sc, sc->sc_repeat_type,
532 sc->sc_repeat_value);
533 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
534 }
535 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
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 callout_stop(&sc->sc_repeat_ch);
572 callout_destroy(&sc->sc_repeat_ch);
573
574 if (sc->sc_isconsole) {
575 KASSERT(wskbd_console_device == sc);
576 wskbd_console_device = NULL;
577 }
578
579 evar = sc->sc_base.me_evp;
580 if (evar != NULL && evar->io != NULL) {
581 s = spltty();
582 if (--sc->sc_refcnt >= 0) {
583 struct wscons_event event;
584
585 /* Wake everyone by generating a dummy event. */
586 event.type = 0;
587 event.value = 0;
588 if (wsevent_inject(evar, &event, 1) != 0)
589 wsevent_wakeup(evar);
590
591 /* Wait for processes to go away. */
592 if (tsleep(sc, PZERO, "wskdet", hz * 60))
593 printf("wskbd_detach: %s didn't detach\n",
594 sc->sc_base.me_dv.dv_xname);
595 }
596 splx(s);
597 }
598
599 /* locate the major number */
600 maj = cdevsw_lookup_major(&wskbd_cdevsw);
601
602 /* Nuke the vnodes for any open instances. */
603 mn = device_unit(self);
604 vdevgone(maj, mn, mn, VCHR);
605
606 return (0);
607 }
608
609 void
610 wskbd_input(struct device *dev, u_int type, int value)
611 {
612 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
613 #if NWSDISPLAY > 0
614 int num, i;
615 #endif
616
617 if (sc->sc_repeating) {
618 sc->sc_repeating = 0;
619 callout_stop(&sc->sc_repeat_ch);
620 }
621
622 /* notify power management framework */
623 pnp_power_input(dev, PNP_ACTION_KEYBOARD);
624
625 #if NWSDISPLAY > 0
626 /*
627 * If /dev/wskbdN is not connected in event mode translate and
628 * send upstream.
629 */
630 if (sc->sc_translating) {
631 num = wskbd_translate(sc->id, type, value);
632 if (num > 0) {
633 if (sc->sc_base.me_dispdv != NULL) {
634 #ifdef WSDISPLAY_SCROLLSUPPORT
635 if (sc->id->t_symbols [0] != KS_Print_Screen) {
636 wsdisplay_scroll(sc->sc_base.
637 me_dispdv, WSDISPLAY_SCROLL_RESET);
638 }
639 #endif
640 for (i = 0; i < num; i++)
641 wsdisplay_kbdinput(
642 sc->sc_base.me_dispdv,
643 sc->id->t_symbols[i]);
644 }
645
646 if (sc->sc_keyrepeat_data.del1 != 0) {
647 sc->sc_repeating = num;
648 callout_schedule(&sc->sc_repeat_ch,
649 mstohz(sc->sc_keyrepeat_data.del1));
650 }
651 }
652 return;
653 }
654 #endif
655
656 wskbd_deliver_event(sc, type, value);
657
658 #if defined(WSKBD_EVENT_AUTOREPEAT)
659 /* Repeat key presses if set. */
660 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
661 sc->sc_repeat_type = type;
662 sc->sc_repeat_value = value;
663 sc->sc_repeating = 1;
664 callout_schedule(&sc->sc_repeat_ch,
665 mstohz(sc->sc_keyrepeat_data.del1));
666 }
667 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
668 }
669
670 /*
671 * Keyboard is generating events. Turn this keystroke into an
672 * event and put it in the queue. If the queue is full, the
673 * keystroke is lost (sorry!).
674 */
675 static void
676 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
677 {
678 struct wseventvar *evar;
679 struct wscons_event event;
680
681 evar = sc->sc_base.me_evp;
682
683 if (evar == NULL) {
684 DPRINTF(("wskbd_input: not open\n"));
685 return;
686 }
687
688 #ifdef DIAGNOSTIC
689 if (evar->q == NULL) {
690 printf("wskbd_input: evar->q=NULL\n");
691 return;
692 }
693 #endif
694
695 event.type = type;
696 event.value = value;
697 if (wsevent_inject(evar, &event, 1) != 0)
698 log(LOG_WARNING, "%s: event queue overflow\n",
699 sc->sc_base.me_dv.dv_xname);
700 }
701
702 #ifdef WSDISPLAY_COMPAT_RAWKBD
703 void
704 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
705 {
706 #if NWSDISPLAY > 0
707 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
708 int i;
709
710 if (sc->sc_base.me_dispdv != NULL)
711 for (i = 0; i < len; i++)
712 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
713 /* this is KS_GROUP_Ascii */
714 #endif
715 }
716 #endif /* WSDISPLAY_COMPAT_RAWKBD */
717
718 #if NWSDISPLAY > 0
719 static void
720 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
721 {
722 int new_state;
723
724 if (sc->sc_base.me_dispdv != NULL) {
725 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
726 new_state = sc->sc_ledstate;
727 if (hold) {
728 #ifdef WSDISPLAY_SCROLLSUPPORT
729 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
730 #endif
731 new_state |= WSKBD_LED_SCROLL;
732 } else {
733 #ifdef WSDISPLAY_SCROLLSUPPORT
734 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
735 #endif
736 new_state &= ~WSKBD_LED_SCROLL;
737 }
738 if (new_state != sc->sc_ledstate) {
739 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
740 new_state);
741 sc->sc_ledstate = new_state;
742 #ifdef WSDISPLAY_SCROLLSUPPORT
743 if (!hold)
744 wsdisplay_scroll(sc->sc_base.me_dispdv,
745 WSDISPLAY_SCROLL_RESET);
746 #endif
747 }
748 }
749 }
750 #endif
751
752 static int
753 wskbd_enable(struct wskbd_softc *sc, int on)
754 {
755 int error;
756
757 #if 0
758 /* I don't understand the purpose of this code. And it seems to
759 * break things, so it's out. -- Lennart
760 */
761 if (!on && (!sc->sc_translating
762 #if NWSDISPLAY > 0
763 || sc->sc_base.me_dispdv
764 #endif
765 ))
766 return (EBUSY);
767 #endif
768 #if NWSDISPLAY > 0
769 if (sc->sc_base.me_dispdv != NULL)
770 return (0);
771 #endif
772
773 /* Always cancel auto repeat when fiddling with the kbd. */
774 if (sc->sc_repeating) {
775 sc->sc_repeating = 0;
776 callout_stop(&sc->sc_repeat_ch);
777 }
778
779 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
780 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
781 return (error);
782 }
783
784 #if NWSMUX > 0
785 int
786 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
787 {
788 struct wskbd_softc *sc = (struct wskbd_softc *)me;
789
790 if (sc->sc_dying)
791 return (EIO);
792
793 if (sc->sc_base.me_evp != NULL)
794 return (EBUSY);
795
796 return (wskbd_do_open(sc, evp));
797 }
798 #endif
799
800 int
801 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
802 {
803 struct wskbd_softc *sc;
804 struct wseventvar *evar;
805 int unit, error;
806
807 unit = minor(dev);
808 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
809 (sc = wskbd_cd.cd_devs[unit]) == NULL)
810 return (ENXIO);
811
812 #if NWSMUX > 0
813 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
814 sc->sc_base.me_parent, l));
815 #endif
816
817 if (sc->sc_dying)
818 return (EIO);
819
820 if ((flags & (FREAD | FWRITE)) == FWRITE)
821 /* Not opening for read, only ioctl is available. */
822 return (0);
823
824 #if NWSMUX > 0
825 if (sc->sc_base.me_parent != NULL) {
826 /* Grab the keyboard out of the greedy hands of the mux. */
827 DPRINTF(("wskbdopen: detach\n"));
828 wsmux_detach_sc(&sc->sc_base);
829 }
830 #endif
831
832 if (sc->sc_base.me_evp != NULL)
833 return (EBUSY);
834
835 evar = &sc->sc_base.me_evar;
836 wsevent_init(evar, l->l_proc);
837
838 error = wskbd_do_open(sc, evar);
839 if (error) {
840 DPRINTF(("wskbdopen: %s open failed\n",
841 sc->sc_base.me_dv.dv_xname));
842 sc->sc_base.me_evp = NULL;
843 wsevent_fini(evar);
844 }
845 return (error);
846 }
847
848 int
849 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
850 {
851 sc->sc_base.me_evp = evp;
852 sc->sc_translating = 0;
853
854 return (wskbd_enable(sc, 1));
855 }
856
857 int
858 wskbdclose(dev_t dev, int flags, int mode,
859 struct lwp *l)
860 {
861 struct wskbd_softc *sc =
862 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
863 struct wseventvar *evar = sc->sc_base.me_evp;
864
865 if (evar == NULL)
866 /* not open for read */
867 return (0);
868
869 sc->sc_base.me_evp = NULL;
870 sc->sc_translating = 1;
871 (void)wskbd_enable(sc, 0);
872 wsevent_fini(evar);
873
874 return (0);
875 }
876
877 #if NWSMUX > 0
878 int
879 wskbd_mux_close(struct wsevsrc *me)
880 {
881 struct wskbd_softc *sc = (struct wskbd_softc *)me;
882
883 sc->sc_base.me_evp = NULL;
884 sc->sc_translating = 1;
885 (void)wskbd_enable(sc, 0);
886
887 return (0);
888 }
889 #endif
890
891 int
892 wskbdread(dev_t dev, struct uio *uio, int flags)
893 {
894 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
895 int error;
896
897 if (sc->sc_dying)
898 return (EIO);
899
900 #ifdef DIAGNOSTIC
901 if (sc->sc_base.me_evp == NULL) {
902 printf("wskbdread: evp == NULL\n");
903 return (EINVAL);
904 }
905 #endif
906
907 sc->sc_refcnt++;
908 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
909 if (--sc->sc_refcnt < 0) {
910 wakeup(sc);
911 error = EIO;
912 }
913 return (error);
914 }
915
916 int
917 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
918 {
919 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
920 }
921
922 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
923 int
924 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
925 struct lwp *l)
926 {
927 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
928 int error;
929
930 sc->sc_refcnt++;
931 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
932 if (--sc->sc_refcnt < 0)
933 wakeup(sc);
934 return (error);
935 }
936
937 int
938 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
939 struct lwp *l)
940 {
941
942 /*
943 * Try the generic ioctls that the wskbd interface supports.
944 */
945 switch (cmd) {
946 case FIONBIO: /* we will remove this someday (soon???) */
947 return (0);
948
949 case FIOASYNC:
950 if (sc->sc_base.me_evp == NULL)
951 return (EINVAL);
952 sc->sc_base.me_evp->async = *(int *)data != 0;
953 return (0);
954
955 case FIOSETOWN:
956 if (sc->sc_base.me_evp == NULL)
957 return (EINVAL);
958 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
959 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
960 return (EPERM);
961 return (0);
962
963 case TIOCSPGRP:
964 if (sc->sc_base.me_evp == NULL)
965 return (EINVAL);
966 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
967 return (EPERM);
968 return (0);
969 }
970
971 /*
972 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
973 * if it didn't recognize the request.
974 */
975 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
976 }
977
978 /*
979 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
980 * Some of these have no real effect in raw mode, however.
981 */
982 static int
983 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
984 struct lwp *l)
985 {
986 #ifdef WSDISPLAY_SCROLLSUPPORT
987 struct wskbd_scroll_data *usdp, *ksdp;
988 #endif
989 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
990 struct wskbd_bell_data *ubdp, *kbdp;
991 struct wskbd_keyrepeat_data *ukdp, *kkdp;
992 struct wskbd_map_data *umdp;
993 struct wskbd_mapdata md;
994 struct proc *p = l ? l->l_proc : NULL;
995 kbd_t enc;
996 void *tbuf;
997 int len, error;
998
999 switch (cmd) {
1000 #define SETBELL(dstp, srcp, dfltp) \
1001 do { \
1002 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1003 (srcp)->pitch : (dfltp)->pitch; \
1004 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1005 (srcp)->period : (dfltp)->period; \
1006 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1007 (srcp)->volume : (dfltp)->volume; \
1008 (dstp)->which = WSKBD_BELL_DOALL; \
1009 } while (0)
1010
1011 case WSKBDIO_BELL:
1012 if ((flag & FWRITE) == 0)
1013 return (EACCES);
1014 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1015 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1016
1017 case WSKBDIO_COMPLEXBELL:
1018 if ((flag & FWRITE) == 0)
1019 return (EACCES);
1020 ubdp = (struct wskbd_bell_data *)data;
1021 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1022 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1023 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1024
1025 case WSKBDIO_SETBELL:
1026 if ((flag & FWRITE) == 0)
1027 return (EACCES);
1028 kbdp = &sc->sc_bell_data;
1029 setbell:
1030 ubdp = (struct wskbd_bell_data *)data;
1031 SETBELL(kbdp, ubdp, kbdp);
1032 return (0);
1033
1034 case WSKBDIO_GETBELL:
1035 kbdp = &sc->sc_bell_data;
1036 getbell:
1037 ubdp = (struct wskbd_bell_data *)data;
1038 SETBELL(ubdp, kbdp, kbdp);
1039 return (0);
1040
1041 case WSKBDIO_SETDEFAULTBELL:
1042 if (p && (error = kauth_authorize_generic(l->l_cred,
1043 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1044 return (error);
1045 kbdp = &wskbd_default_bell_data;
1046 goto setbell;
1047
1048
1049 case WSKBDIO_GETDEFAULTBELL:
1050 kbdp = &wskbd_default_bell_data;
1051 goto getbell;
1052
1053 #undef SETBELL
1054
1055 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1056 do { \
1057 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1058 (srcp)->del1 : (dfltp)->del1; \
1059 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1060 (srcp)->delN : (dfltp)->delN; \
1061 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1062 } while (0)
1063
1064 case WSKBDIO_SETKEYREPEAT:
1065 if ((flag & FWRITE) == 0)
1066 return (EACCES);
1067 kkdp = &sc->sc_keyrepeat_data;
1068 setkeyrepeat:
1069 ukdp = (struct wskbd_keyrepeat_data *)data;
1070 SETKEYREPEAT(kkdp, ukdp, kkdp);
1071 return (0);
1072
1073 case WSKBDIO_GETKEYREPEAT:
1074 kkdp = &sc->sc_keyrepeat_data;
1075 getkeyrepeat:
1076 ukdp = (struct wskbd_keyrepeat_data *)data;
1077 SETKEYREPEAT(ukdp, kkdp, kkdp);
1078 return (0);
1079
1080 case WSKBDIO_SETDEFAULTKEYREPEAT:
1081 if ((error = kauth_authorize_generic(l->l_cred,
1082 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1083 return (error);
1084 kkdp = &wskbd_default_keyrepeat_data;
1085 goto setkeyrepeat;
1086
1087
1088 case WSKBDIO_GETDEFAULTKEYREPEAT:
1089 kkdp = &wskbd_default_keyrepeat_data;
1090 goto getkeyrepeat;
1091
1092 #ifdef WSDISPLAY_SCROLLSUPPORT
1093 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1094 do { \
1095 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1096 (srcp)->mode : (dfltp)->mode; \
1097 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1098 (srcp)->modifier : (dfltp)->modifier; \
1099 (dstp)->which = WSKBD_SCROLL_DOALL; \
1100 } while (0)
1101
1102 case WSKBDIO_SETSCROLL:
1103 usdp = (struct wskbd_scroll_data *)data;
1104 ksdp = &sc->sc_scroll_data;
1105 SETSCROLLMOD(ksdp, usdp, ksdp);
1106 return (0);
1107
1108 case WSKBDIO_GETSCROLL:
1109 usdp = (struct wskbd_scroll_data *)data;
1110 ksdp = &sc->sc_scroll_data;
1111 SETSCROLLMOD(usdp, ksdp, ksdp);
1112 return (0);
1113 #else
1114 case WSKBDIO_GETSCROLL:
1115 case WSKBDIO_SETSCROLL:
1116 return ENODEV;
1117 #endif
1118
1119 #undef SETKEYREPEAT
1120
1121 case WSKBDIO_SETMAP:
1122 if ((flag & FWRITE) == 0)
1123 return (EACCES);
1124 umdp = (struct wskbd_map_data *)data;
1125 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1126 return (EINVAL);
1127
1128 len = umdp->maplen*sizeof(struct wscons_keymap);
1129 tbuf = malloc(len, M_TEMP, M_WAITOK);
1130 error = copyin(umdp->map, tbuf, len);
1131 if (error == 0) {
1132 wskbd_init_keymap(umdp->maplen,
1133 &sc->sc_map, &sc->sc_maplen);
1134 memcpy(sc->sc_map, tbuf, len);
1135 /* drop the variant bits handled by the map */
1136 sc->sc_layout = KB_USER |
1137 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1138 wskbd_update_layout(sc->id, sc->sc_layout);
1139 }
1140 free(tbuf, M_TEMP);
1141 return(error);
1142
1143 case WSKBDIO_GETMAP:
1144 umdp = (struct wskbd_map_data *)data;
1145 if (umdp->maplen > sc->sc_maplen)
1146 umdp->maplen = sc->sc_maplen;
1147 error = copyout(sc->sc_map, umdp->map,
1148 umdp->maplen*sizeof(struct wscons_keymap));
1149 return(error);
1150
1151 case WSKBDIO_GETENCODING:
1152 *((kbd_t *) data) = sc->sc_layout;
1153 return(0);
1154
1155 case WSKBDIO_SETENCODING:
1156 if ((flag & FWRITE) == 0)
1157 return (EACCES);
1158 enc = *((kbd_t *)data);
1159 if (KB_ENCODING(enc) == KB_USER) {
1160 /* user map must already be loaded */
1161 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1162 return (EINVAL);
1163 /* map variants make no sense */
1164 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1165 return (EINVAL);
1166 } else {
1167 md = *(sc->id->t_keymap); /* structure assignment */
1168 md.layout = enc;
1169 error = wskbd_load_keymap(&md, &sc->sc_map,
1170 &sc->sc_maplen);
1171 if (error)
1172 return (error);
1173 }
1174 sc->sc_layout = enc;
1175 wskbd_update_layout(sc->id, enc);
1176 return (0);
1177 }
1178
1179 /*
1180 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1181 * if it didn't recognize the request, and in turn we return
1182 * -1 if we didn't recognize the request.
1183 */
1184 /* printf("kbdaccess\n"); */
1185 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1186 flag, l);
1187 #ifdef WSDISPLAY_COMPAT_RAWKBD
1188 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1189 int s = spltty();
1190 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1191 | MOD_CONTROL_L | MOD_CONTROL_R
1192 | MOD_META_L | MOD_META_R
1193 | MOD_COMMAND
1194 | MOD_COMMAND1 | MOD_COMMAND2);
1195 if (sc->sc_repeating) {
1196 sc->sc_repeating = 0;
1197 callout_stop(&sc->sc_repeat_ch);
1198 }
1199 splx(s);
1200 }
1201 #endif
1202 return (error);
1203 }
1204
1205 int
1206 wskbdpoll(dev_t dev, int events, struct lwp *l)
1207 {
1208 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1209
1210 if (sc->sc_base.me_evp == NULL)
1211 return (POLLERR);
1212 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1213 }
1214
1215 int
1216 wskbdkqfilter(dev_t dev, struct knote *kn)
1217 {
1218 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1219
1220 if (sc->sc_base.me_evp == NULL)
1221 return (1);
1222 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1223 }
1224
1225 #if NWSDISPLAY > 0
1226
1227 int
1228 wskbd_pickfree(void)
1229 {
1230 int i;
1231 struct wskbd_softc *sc;
1232
1233 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1234 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1235 continue;
1236 if (sc->sc_base.me_dispdv == NULL)
1237 return (i);
1238 }
1239 return (-1);
1240 }
1241
1242 struct wsevsrc *
1243 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1244 {
1245 struct wskbd_softc *sc = wskbd_console_device;
1246
1247 if (sc == NULL)
1248 return (NULL);
1249 sc->sc_base.me_dispdv = displaydv;
1250 #if NWSMUX > 0
1251 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1252 #endif
1253 return (&sc->sc_base);
1254 }
1255
1256 int
1257 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1258 {
1259 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1260 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1261 struct device *odisplaydv;
1262 int error;
1263
1264 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1265 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1266 sc->sc_isconsole));
1267
1268 if (sc->sc_isconsole)
1269 return (EBUSY);
1270
1271 if (displaydv != NULL) {
1272 if (sc->sc_base.me_dispdv != NULL)
1273 return (EBUSY);
1274 } else {
1275 if (sc->sc_base.me_dispdv == NULL)
1276 return (ENXIO);
1277 }
1278
1279 odisplaydv = sc->sc_base.me_dispdv;
1280 sc->sc_base.me_dispdv = NULL;
1281 error = wskbd_enable(sc, displaydv != NULL);
1282 sc->sc_base.me_dispdv = displaydv;
1283 if (error) {
1284 sc->sc_base.me_dispdv = odisplaydv;
1285 return (error);
1286 }
1287
1288 if (displaydv)
1289 aprint_verbose("%s: connecting to %s\n",
1290 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1291 else
1292 aprint_verbose("%s: disconnecting from %s\n",
1293 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1294
1295 return (0);
1296 }
1297
1298 #endif /* NWSDISPLAY > 0 */
1299
1300 #if NWSMUX > 0
1301 int
1302 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1303 {
1304 struct wskbd_softc *sc;
1305
1306 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1307 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1308 return (ENXIO);
1309
1310 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1311 return (EBUSY);
1312
1313 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1314 }
1315 #endif
1316
1317 /*
1318 * Console interface.
1319 */
1320 int
1321 wskbd_cngetc(dev_t dev)
1322 {
1323 static int num = 0;
1324 static int pos;
1325 u_int type;
1326 int data;
1327 keysym_t ks;
1328
1329 if (!wskbd_console_initted)
1330 return 0;
1331
1332 if (wskbd_console_device != NULL &&
1333 !wskbd_console_device->sc_translating)
1334 return 0;
1335
1336 for(;;) {
1337 if (num-- > 0) {
1338 ks = wskbd_console_data.t_symbols[pos++];
1339 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1340 return (KS_VALUE(ks));
1341 } else {
1342 (*wskbd_console_data.t_consops->getc)
1343 (wskbd_console_data.t_consaccesscookie,
1344 &type, &data);
1345 if (type == WSCONS_EVENT_ASCII) {
1346 /*
1347 * We assume that when the driver falls back
1348 * to deliver pure ASCII it is in a state that
1349 * it can not track press/release events
1350 * reliable - so we clear all previously
1351 * accumulated modifier state.
1352 */
1353 wskbd_console_data.t_modifiers = 0;
1354 return(data);
1355 }
1356 num = wskbd_translate(&wskbd_console_data, type, data);
1357 pos = 0;
1358 }
1359 }
1360 }
1361
1362 void
1363 wskbd_cnpollc(dev_t dev, int poll)
1364 {
1365
1366 if (!wskbd_console_initted)
1367 return;
1368
1369 if (wskbd_console_device != NULL &&
1370 !wskbd_console_device->sc_translating)
1371 return;
1372
1373 (*wskbd_console_data.t_consops->pollc)
1374 (wskbd_console_data.t_consaccesscookie, poll);
1375 }
1376
1377 void
1378 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1379 {
1380
1381 if (!wskbd_console_initted)
1382 return;
1383
1384 if (wskbd_console_data.t_consops->bell != NULL)
1385 (*wskbd_console_data.t_consops->bell)
1386 (wskbd_console_data.t_consaccesscookie, pitch, period,
1387 volume);
1388 }
1389
1390 static inline void
1391 update_leds(struct wskbd_internal *id)
1392 {
1393 int new_state;
1394
1395 new_state = 0;
1396 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1397 new_state |= WSKBD_LED_CAPS;
1398 if (id->t_modifiers & MOD_NUMLOCK)
1399 new_state |= WSKBD_LED_NUM;
1400 if (id->t_modifiers & MOD_COMPOSE)
1401 new_state |= WSKBD_LED_COMPOSE;
1402 if (id->t_modifiers & MOD_HOLDSCREEN)
1403 new_state |= WSKBD_LED_SCROLL;
1404
1405 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1406 (*id->t_sc->sc_accessops->set_leds)
1407 (id->t_sc->sc_accesscookie, new_state);
1408 id->t_sc->sc_ledstate = new_state;
1409 }
1410 }
1411
1412 static inline void
1413 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1414 {
1415 if (toggle) {
1416 if (type == WSCONS_EVENT_KEY_DOWN)
1417 id->t_modifiers ^= mask;
1418 } else {
1419 if (type == WSCONS_EVENT_KEY_DOWN)
1420 id->t_modifiers |= mask;
1421 else
1422 id->t_modifiers &= ~mask;
1423 }
1424 }
1425
1426 #if NWSDISPLAY > 0
1427 static void
1428 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1429 int wraparound)
1430 {
1431 int res;
1432 struct wsdisplay_param dp;
1433
1434 dp.param = param;
1435 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1436
1437 if (res == EINVAL)
1438 return; /* no such parameter */
1439
1440 dp.curval += updown;
1441 if (dp.max < dp.curval)
1442 dp.curval = wraparound ? dp.min : dp.max;
1443 else
1444 if (dp.curval < dp.min)
1445 dp.curval = wraparound ? dp.max : dp.min;
1446 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1447 }
1448 #endif
1449
1450 static int
1451 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1452 keysym_t ksym2)
1453 {
1454 #ifdef WSDISPLAY_SCROLLSUPPORT
1455 u_int state = 0;
1456 #endif
1457 switch (ksym) {
1458 case KS_Cmd_VolumeToggle:
1459 if (*type == WSCONS_EVENT_KEY_DOWN)
1460 pnp_power_audio(NULL, PNP_ACTION_VOLUME_MUTE);
1461 break;
1462 case KS_Cmd_VolumeUp:
1463 if (*type == WSCONS_EVENT_KEY_DOWN)
1464 pnp_power_audio(NULL, PNP_ACTION_VOLUME_UP);
1465 break;
1466 case KS_Cmd_VolumeDown:
1467 if (*type == WSCONS_EVENT_KEY_DOWN)
1468 pnp_power_audio(NULL, PNP_ACTION_VOLUME_DOWN);
1469 break;
1470 #ifdef WSDISPLAY_SCROLLSUPPORT
1471 case KS_Cmd_ScrollFastUp:
1472 case KS_Cmd_ScrollFastDown:
1473 if (*type == WSCONS_EVENT_KEY_DOWN) {
1474 GETMODSTATE(sc->id->t_modifiers, state);
1475 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1476 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1477 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1478 && sc->sc_scroll_data.modifier == state)) {
1479 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1480 wsdisplay_scroll(sc->sc_base.me_dispdv,
1481 (ksym == KS_Cmd_ScrollFastUp) ?
1482 WSDISPLAY_SCROLL_BACKWARD :
1483 WSDISPLAY_SCROLL_FORWARD);
1484 return (1);
1485 } else {
1486 return (0);
1487 }
1488 }
1489
1490 case KS_Cmd_ScrollSlowUp:
1491 case KS_Cmd_ScrollSlowDown:
1492 if (*type == WSCONS_EVENT_KEY_DOWN) {
1493 GETMODSTATE(sc->id->t_modifiers, state);
1494 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1495 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1496 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1497 && sc->sc_scroll_data.modifier == state)) {
1498 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1499 wsdisplay_scroll(sc->sc_base.me_dispdv,
1500 (ksym == KS_Cmd_ScrollSlowUp) ?
1501 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1502 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1503 return (1);
1504 } else {
1505 return (0);
1506 }
1507 }
1508 #endif
1509
1510 case KS_Cmd:
1511 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1512 ksym = ksym2;
1513 break;
1514
1515 case KS_Cmd1:
1516 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1517 break;
1518
1519 case KS_Cmd2:
1520 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1521 break;
1522 }
1523
1524 if (*type != WSCONS_EVENT_KEY_DOWN ||
1525 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1526 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1527 return (0);
1528
1529 #if defined(DDB) || defined(KGDB)
1530 if (ksym == KS_Cmd_Debugger) {
1531 if (sc->sc_isconsole) {
1532 #ifdef DDB
1533 console_debugger();
1534 #endif
1535 #ifdef KGDB
1536 kgdb_connect(1);
1537 #endif
1538 }
1539 /* discard this key (ddb discarded command modifiers) */
1540 *type = WSCONS_EVENT_KEY_UP;
1541 return (1);
1542 }
1543 #endif
1544
1545 #if NWSDISPLAY > 0
1546 if (sc->sc_base.me_dispdv == NULL)
1547 return (0);
1548
1549 switch (ksym) {
1550 case KS_Cmd_Screen0:
1551 case KS_Cmd_Screen1:
1552 case KS_Cmd_Screen2:
1553 case KS_Cmd_Screen3:
1554 case KS_Cmd_Screen4:
1555 case KS_Cmd_Screen5:
1556 case KS_Cmd_Screen6:
1557 case KS_Cmd_Screen7:
1558 case KS_Cmd_Screen8:
1559 case KS_Cmd_Screen9:
1560 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1561 return (1);
1562 case KS_Cmd_ResetEmul:
1563 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1564 return (1);
1565 case KS_Cmd_ResetClose:
1566 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1567 return (1);
1568 case KS_Cmd_BacklightOn:
1569 case KS_Cmd_BacklightOff:
1570 case KS_Cmd_BacklightToggle:
1571 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1572 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1573 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1574 return (1);
1575 case KS_Cmd_BrightnessUp:
1576 case KS_Cmd_BrightnessDown:
1577 case KS_Cmd_BrightnessRotate:
1578 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1579 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1580 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1581 return (1);
1582 case KS_Cmd_ContrastUp:
1583 case KS_Cmd_ContrastDown:
1584 case KS_Cmd_ContrastRotate:
1585 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1586 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1587 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1588 return (1);
1589 }
1590 #endif
1591
1592 return (0);
1593 }
1594
1595 static int
1596 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1597 {
1598 struct wskbd_softc *sc = id->t_sc;
1599 keysym_t ksym, res, *group;
1600 struct wscons_keymap kpbuf, *kp;
1601 int iscommand = 0;
1602
1603 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1604 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1605 | MOD_CONTROL_L | MOD_CONTROL_R
1606 | MOD_META_L | MOD_META_R
1607 | MOD_MODESHIFT
1608 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1609 update_leds(id);
1610 return (0);
1611 }
1612
1613 if (sc != NULL) {
1614 if (value < 0 || value >= sc->sc_maplen) {
1615 #ifdef DEBUG
1616 printf("wskbd_translate: keycode %d out of range\n",
1617 value);
1618 #endif
1619 return (0);
1620 }
1621 kp = sc->sc_map + value;
1622 } else {
1623 kp = &kpbuf;
1624 wskbd_get_mapentry(id->t_keymap, value, kp);
1625 }
1626
1627 /* if this key has a command, process it first */
1628 if (sc != NULL && kp->command != KS_voidSymbol)
1629 iscommand = internal_command(sc, &type, kp->command,
1630 kp->group1[0]);
1631
1632 /* Now update modifiers */
1633 switch (kp->group1[0]) {
1634 case KS_Shift_L:
1635 update_modifier(id, type, 0, MOD_SHIFT_L);
1636 break;
1637
1638 case KS_Shift_R:
1639 update_modifier(id, type, 0, MOD_SHIFT_R);
1640 break;
1641
1642 case KS_Shift_Lock:
1643 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1644 break;
1645
1646 case KS_Caps_Lock:
1647 update_modifier(id, type, 1, MOD_CAPSLOCK);
1648 break;
1649
1650 case KS_Control_L:
1651 update_modifier(id, type, 0, MOD_CONTROL_L);
1652 break;
1653
1654 case KS_Control_R:
1655 update_modifier(id, type, 0, MOD_CONTROL_R);
1656 break;
1657
1658 case KS_Alt_L:
1659 update_modifier(id, type, 0, MOD_META_L);
1660 break;
1661
1662 case KS_Alt_R:
1663 update_modifier(id, type, 0, MOD_META_R);
1664 break;
1665
1666 case KS_Mode_switch:
1667 update_modifier(id, type, 0, MOD_MODESHIFT);
1668 break;
1669
1670 case KS_Num_Lock:
1671 update_modifier(id, type, 1, MOD_NUMLOCK);
1672 break;
1673
1674 #if NWSDISPLAY > 0
1675 case KS_Hold_Screen:
1676 if (sc != NULL) {
1677 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1678 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1679 }
1680 break;
1681 #endif
1682 }
1683
1684 /* If this is a key release or we are in command mode, we are done */
1685 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1686 update_leds(id);
1687 return (0);
1688 }
1689
1690 /* Get the keysym */
1691 if (id->t_modifiers & MOD_MODESHIFT)
1692 group = & kp->group2[0];
1693 else
1694 group = & kp->group1[0];
1695
1696 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1697 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1698 if (MOD_ONESET(id, MOD_ANYSHIFT))
1699 ksym = group[0];
1700 else
1701 ksym = group[1];
1702 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1703 ksym = group[0];
1704 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1705 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1706 ksym = group[0];
1707 else
1708 ksym = group[1];
1709 if (ksym >= KS_a && ksym <= KS_z)
1710 ksym += KS_A - KS_a;
1711 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1712 ksym != KS_division)
1713 ksym += KS_Agrave - KS_agrave;
1714 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1715 ksym = group[1];
1716 } else {
1717 ksym = group[0];
1718 }
1719
1720 /* Process compose sequence and dead accents */
1721 res = KS_voidSymbol;
1722
1723 switch (KS_GROUP(ksym)) {
1724 case KS_GROUP_Ascii:
1725 case KS_GROUP_Keypad:
1726 case KS_GROUP_Function:
1727 res = ksym;
1728 break;
1729
1730 case KS_GROUP_Mod:
1731 if (ksym == KS_Multi_key) {
1732 update_modifier(id, 1, 0, MOD_COMPOSE);
1733 id->t_composelen = 2;
1734 }
1735 break;
1736
1737 case KS_GROUP_Dead:
1738 if (id->t_composelen == 0) {
1739 update_modifier(id, 1, 0, MOD_COMPOSE);
1740 id->t_composelen = 1;
1741 id->t_composebuf[0] = ksym;
1742 } else
1743 res = ksym;
1744 break;
1745 }
1746
1747 if (res == KS_voidSymbol) {
1748 update_leds(id);
1749 return (0);
1750 }
1751
1752 if (id->t_composelen > 0) {
1753 id->t_composebuf[2 - id->t_composelen] = res;
1754 if (--id->t_composelen == 0) {
1755 res = wskbd_compose_value(id->t_composebuf);
1756 update_modifier(id, 0, 0, MOD_COMPOSE);
1757 } else {
1758 return (0);
1759 }
1760 }
1761
1762 update_leds(id);
1763
1764 /* We are done, return the symbol */
1765 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1766 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1767 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1768 res = res & 0x1f;
1769 else if (res == KS_2)
1770 res = 0x00;
1771 else if (res >= KS_3 && res <= KS_7)
1772 res = KS_Escape + (res - KS_3);
1773 else if (res == KS_8)
1774 res = KS_Delete;
1775 }
1776 if (MOD_ONESET(id, MOD_ANYMETA)) {
1777 if (id->t_flags & WSKFL_METAESC) {
1778 id->t_symbols[0] = KS_Escape;
1779 id->t_symbols[1] = res;
1780 return (2);
1781 } else
1782 res |= 0x80;
1783 }
1784 }
1785
1786 id->t_symbols[0] = res;
1787 return (1);
1788 }
1789