wskbd.c revision 1.112.6.1 1 /* $NetBSD: wskbd.c,v 1.112.6.1 2008/03/29 16:17:57 mjf 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 1.112.6.1 2008/03/29 16:17:57 mjf 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 bool wskbd_suspend(device_t dv);
322 static void wskbd_repeat(void *v);
323
324 static int wskbd_console_initted;
325 static struct wskbd_softc *wskbd_console_device;
326 static struct wskbd_internal wskbd_console_data;
327
328 static void wskbd_update_layout(struct wskbd_internal *, kbd_t);
329
330 static void
331 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
332 {
333
334 if (enc & KB_METAESC)
335 id->t_flags |= WSKFL_METAESC;
336 else
337 id->t_flags &= ~WSKFL_METAESC;
338 }
339
340 /*
341 * Print function (for parent devices).
342 */
343 int
344 wskbddevprint(void *aux, const char *pnp)
345 {
346 #if 0
347 struct wskbddev_attach_args *ap = aux;
348 #endif
349
350 if (pnp)
351 aprint_normal("wskbd at %s", pnp);
352 #if 0
353 aprint_normal(" console %d", ap->console);
354 #endif
355
356 return (UNCONF);
357 }
358
359 int
360 wskbd_match(struct device *parent, struct cfdata *match, void *aux)
361 {
362 struct wskbddev_attach_args *ap = aux;
363
364 if (match->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) {
365 /*
366 * If console-ness of device specified, either match
367 * exactly (at high priority), or fail.
368 */
369 if (match->wskbddevcf_console != 0 && ap->console != 0)
370 return (10);
371 else
372 return (0);
373 }
374
375 /* If console-ness unspecified, it wins. */
376 return (1);
377 }
378
379 void
380 wskbd_attach(struct device *parent, struct device *self, void *aux)
381 {
382 struct wskbd_softc *sc = (struct wskbd_softc *)self;
383 struct wskbddev_attach_args *ap = aux;
384 #if NWSMUX > 0
385 int mux, error;
386 #endif
387 int major;
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 aprint_normal(" mux %d", mux);
403 #else
404 if (device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
405 aprint_normal(" (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, 0);
418 callout_setfunc(&sc->sc_repeat_ch, wskbd_repeat, sc);
419
420 sc->id->t_sc = sc;
421
422 sc->sc_accessops = ap->accessops;
423 sc->sc_accesscookie = ap->accesscookie;
424 sc->sc_repeating = 0;
425 sc->sc_translating = 1;
426 sc->sc_ledstate = -1; /* force update */
427
428 if (wskbd_load_keymap(sc->id->t_keymap,
429 &sc->sc_map, &sc->sc_maplen) != 0)
430 panic("cannot load keymap");
431
432 sc->sc_layout = sc->id->t_keymap->layout;
433
434 /* set default bell and key repeat data */
435 sc->sc_bell_data = wskbd_default_bell_data;
436 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
437
438 #ifdef WSDISPLAY_SCROLLSUPPORT
439 sc->sc_scroll_data = wskbd_default_scroll_data;
440 #endif
441
442 if (ap->console) {
443 KASSERT(wskbd_console_initted);
444 KASSERT(wskbd_console_device == NULL);
445
446 wskbd_console_device = sc;
447
448 aprint_naive(": console keyboard");
449 aprint_normal(": console keyboard");
450
451 #if NWSDISPLAY > 0
452 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
453 if (sc->sc_base.me_dispdv != NULL)
454 aprint_normal(", using %s",
455 sc->sc_base.me_dispdv->dv_xname);
456 #endif
457 }
458 aprint_naive("\n");
459 aprint_normal("\n");
460
461 #if NWSMUX > 0
462 if (mux >= 0) {
463 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
464 if (error)
465 printf("%s: attach error=%d\n",
466 sc->sc_base.me_dv.dv_xname, error);
467 }
468 #endif
469
470 if (!pmf_device_register(self, wskbd_suspend, NULL))
471 aprint_error_dev(self, "couldn't establish power handler\n");
472 else if (!pmf_class_input_register(self))
473 aprint_error_dev(self, "couldn't register as input device\n");
474
475 major = cdevsw_lookup_major(&wskbd_cdevsw);
476 device_register_name(makedev(major, device_unit(self)), self,
477 true, DEV_OTHER, "%s", device_xname(self));
478 }
479
480 static bool
481 wskbd_suspend(device_t dv)
482 {
483 struct wskbd_softc *sc = device_private(dv);
484
485 sc->sc_repeating = 0;
486 callout_stop(&sc->sc_repeat_ch);
487
488 return true;
489 }
490
491 void
492 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
493 const struct wskbd_mapdata *mapdata)
494 {
495 KASSERT(!wskbd_console_initted);
496
497 wskbd_console_data.t_keymap = mapdata;
498 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
499
500 wskbd_console_data.t_consops = consops;
501 wskbd_console_data.t_consaccesscookie = conscookie;
502
503 #if NWSDISPLAY > 0
504 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
505 #endif
506
507 wskbd_console_initted = 1;
508 }
509
510 void
511 wskbd_cndetach(void)
512 {
513 KASSERT(wskbd_console_initted);
514
515 wskbd_console_data.t_keymap = 0;
516
517 wskbd_console_data.t_consops = 0;
518 wskbd_console_data.t_consaccesscookie = 0;
519
520 #if NWSDISPLAY > 0
521 wsdisplay_unset_cons_kbd();
522 #endif
523
524 wskbd_console_initted = 0;
525 }
526
527 static void
528 wskbd_repeat(void *v)
529 {
530 struct wskbd_softc *sc = (struct wskbd_softc *)v;
531 int s = spltty();
532
533 if (!sc->sc_repeating) {
534 /*
535 * race condition: a "key up" event came in when wskbd_repeat()
536 * was already called but not yet spltty()'d
537 */
538 splx(s);
539 return;
540 }
541 if (sc->sc_translating) {
542 /* deliver keys */
543 #if NWSDISPLAY > 0
544 if (sc->sc_base.me_dispdv != NULL) {
545 int i;
546 for (i = 0; i < sc->sc_repeating; i++)
547 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
548 sc->id->t_symbols[i]);
549 }
550 #endif
551 } else {
552 #if defined(WSKBD_EVENT_AUTOREPEAT)
553 /* queue event */
554 wskbd_deliver_event(sc, sc->sc_repeat_type,
555 sc->sc_repeat_value);
556 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
557 }
558 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
559 splx(s);
560 }
561
562 int
563 wskbd_activate(struct device *self, enum devact act)
564 {
565 struct wskbd_softc *sc = (struct wskbd_softc *)self;
566
567 if (act == DVACT_DEACTIVATE)
568 sc->sc_dying = 1;
569 return (0);
570 }
571
572 /*
573 * Detach a keyboard. To keep track of users of the softc we keep
574 * a reference count that's incremented while inside, e.g., read.
575 * If the keyboard is active and the reference count is > 0 (0 is the
576 * normal state) we post an event and then wait for the process
577 * that had the reference to wake us up again. Then we blow away the
578 * vnode and return (which will deallocate the softc).
579 */
580 int
581 wskbd_detach(struct device *self, int flags)
582 {
583 struct wskbd_softc *sc = (struct wskbd_softc *)self;
584 struct wseventvar *evar;
585 int maj, mn;
586 int s;
587
588 #if NWSMUX > 0
589 /* Tell parent mux we're leaving. */
590 if (sc->sc_base.me_parent != NULL)
591 wsmux_detach_sc(&sc->sc_base);
592 #endif
593
594 callout_stop(&sc->sc_repeat_ch);
595 callout_destroy(&sc->sc_repeat_ch);
596
597 if (sc->sc_isconsole) {
598 KASSERT(wskbd_console_device == sc);
599 wskbd_console_device = NULL;
600 }
601
602 pmf_device_deregister(self);
603
604 evar = sc->sc_base.me_evp;
605 if (evar != NULL && evar->io != NULL) {
606 s = spltty();
607 if (--sc->sc_refcnt >= 0) {
608 struct wscons_event event;
609
610 /* Wake everyone by generating a dummy event. */
611 event.type = 0;
612 event.value = 0;
613 if (wsevent_inject(evar, &event, 1) != 0)
614 wsevent_wakeup(evar);
615
616 /* Wait for processes to go away. */
617 if (tsleep(sc, PZERO, "wskdet", hz * 60))
618 printf("wskbd_detach: %s didn't detach\n",
619 sc->sc_base.me_dv.dv_xname);
620 }
621 splx(s);
622 }
623
624 /* locate the major number */
625 maj = cdevsw_lookup_major(&wskbd_cdevsw);
626
627 /* Nuke the vnodes for any open instances. */
628 mn = device_unit(self);
629 vdevgone(maj, mn, mn, VCHR);
630
631 device_unregister_name(makedev(maj, mn), device_xname(self));
632
633 return (0);
634 }
635
636 void
637 wskbd_input(struct device *dev, u_int type, int value)
638 {
639 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
640 #if NWSDISPLAY > 0
641 int num, i;
642 #endif
643
644 if (sc->sc_repeating) {
645 sc->sc_repeating = 0;
646 callout_stop(&sc->sc_repeat_ch);
647 }
648
649 device_active(dev, DVA_HARDWARE);
650
651 #if NWSDISPLAY > 0
652 /*
653 * If /dev/wskbdN is not connected in event mode translate and
654 * send upstream.
655 */
656 if (sc->sc_translating) {
657 num = wskbd_translate(sc->id, type, value);
658 if (num > 0) {
659 if (sc->sc_base.me_dispdv != NULL) {
660 #ifdef WSDISPLAY_SCROLLSUPPORT
661 if (sc->id->t_symbols [0] != KS_Print_Screen) {
662 wsdisplay_scroll(sc->sc_base.
663 me_dispdv, WSDISPLAY_SCROLL_RESET);
664 }
665 #endif
666 for (i = 0; i < num; i++)
667 wsdisplay_kbdinput(
668 sc->sc_base.me_dispdv,
669 sc->id->t_symbols[i]);
670 }
671
672 if (sc->sc_keyrepeat_data.del1 != 0) {
673 sc->sc_repeating = num;
674 callout_schedule(&sc->sc_repeat_ch,
675 mstohz(sc->sc_keyrepeat_data.del1));
676 }
677 }
678 return;
679 }
680 #endif
681
682 wskbd_deliver_event(sc, type, value);
683
684 #if defined(WSKBD_EVENT_AUTOREPEAT)
685 /* Repeat key presses if set. */
686 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
687 sc->sc_repeat_type = type;
688 sc->sc_repeat_value = value;
689 sc->sc_repeating = 1;
690 callout_schedule(&sc->sc_repeat_ch,
691 mstohz(sc->sc_keyrepeat_data.del1));
692 }
693 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
694 }
695
696 /*
697 * Keyboard is generating events. Turn this keystroke into an
698 * event and put it in the queue. If the queue is full, the
699 * keystroke is lost (sorry!).
700 */
701 static void
702 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
703 {
704 struct wseventvar *evar;
705 struct wscons_event event;
706
707 evar = sc->sc_base.me_evp;
708
709 if (evar == NULL) {
710 DPRINTF(("wskbd_input: not open\n"));
711 return;
712 }
713
714 #ifdef DIAGNOSTIC
715 if (evar->q == NULL) {
716 printf("wskbd_input: evar->q=NULL\n");
717 return;
718 }
719 #endif
720
721 event.type = type;
722 event.value = value;
723 if (wsevent_inject(evar, &event, 1) != 0)
724 log(LOG_WARNING, "%s: event queue overflow\n",
725 sc->sc_base.me_dv.dv_xname);
726 }
727
728 #ifdef WSDISPLAY_COMPAT_RAWKBD
729 void
730 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
731 {
732 #if NWSDISPLAY > 0
733 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
734 int i;
735
736 if (sc->sc_base.me_dispdv != NULL)
737 for (i = 0; i < len; i++)
738 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
739 /* this is KS_GROUP_Ascii */
740 #endif
741 }
742 #endif /* WSDISPLAY_COMPAT_RAWKBD */
743
744 #if NWSDISPLAY > 0
745 static void
746 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
747 {
748 int new_state;
749
750 if (sc->sc_base.me_dispdv != NULL) {
751 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
752 new_state = sc->sc_ledstate;
753 if (hold) {
754 #ifdef WSDISPLAY_SCROLLSUPPORT
755 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
756 #endif
757 new_state |= WSKBD_LED_SCROLL;
758 } else {
759 #ifdef WSDISPLAY_SCROLLSUPPORT
760 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
761 #endif
762 new_state &= ~WSKBD_LED_SCROLL;
763 }
764 if (new_state != sc->sc_ledstate) {
765 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
766 new_state);
767 sc->sc_ledstate = new_state;
768 #ifdef WSDISPLAY_SCROLLSUPPORT
769 if (!hold)
770 wsdisplay_scroll(sc->sc_base.me_dispdv,
771 WSDISPLAY_SCROLL_RESET);
772 #endif
773 }
774 }
775 }
776 #endif
777
778 static int
779 wskbd_enable(struct wskbd_softc *sc, int on)
780 {
781 int error;
782
783 #if 0
784 /* I don't understand the purpose of this code. And it seems to
785 * break things, so it's out. -- Lennart
786 */
787 if (!on && (!sc->sc_translating
788 #if NWSDISPLAY > 0
789 || sc->sc_base.me_dispdv
790 #endif
791 ))
792 return (EBUSY);
793 #endif
794 #if NWSDISPLAY > 0
795 if (sc->sc_base.me_dispdv != NULL)
796 return (0);
797 #endif
798
799 /* Always cancel auto repeat when fiddling with the kbd. */
800 if (sc->sc_repeating) {
801 sc->sc_repeating = 0;
802 callout_stop(&sc->sc_repeat_ch);
803 }
804
805 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
806 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
807 return (error);
808 }
809
810 #if NWSMUX > 0
811 int
812 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
813 {
814 struct wskbd_softc *sc = (struct wskbd_softc *)me;
815
816 if (sc->sc_dying)
817 return (EIO);
818
819 if (sc->sc_base.me_evp != NULL)
820 return (EBUSY);
821
822 return (wskbd_do_open(sc, evp));
823 }
824 #endif
825
826 int
827 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
828 {
829 struct wskbd_softc *sc;
830 struct wseventvar *evar;
831 int unit, error;
832
833 unit = minor(dev);
834 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
835 (sc = wskbd_cd.cd_devs[unit]) == NULL)
836 return (ENXIO);
837
838 #if NWSMUX > 0
839 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
840 sc->sc_base.me_parent, l));
841 #endif
842
843 if (sc->sc_dying)
844 return (EIO);
845
846 if ((flags & (FREAD | FWRITE)) == FWRITE)
847 /* Not opening for read, only ioctl is available. */
848 return (0);
849
850 #if NWSMUX > 0
851 if (sc->sc_base.me_parent != NULL) {
852 /* Grab the keyboard out of the greedy hands of the mux. */
853 DPRINTF(("wskbdopen: detach\n"));
854 wsmux_detach_sc(&sc->sc_base);
855 }
856 #endif
857
858 if (sc->sc_base.me_evp != NULL)
859 return (EBUSY);
860
861 evar = &sc->sc_base.me_evar;
862 wsevent_init(evar, l->l_proc);
863
864 error = wskbd_do_open(sc, evar);
865 if (error) {
866 DPRINTF(("wskbdopen: %s open failed\n",
867 sc->sc_base.me_dv.dv_xname));
868 sc->sc_base.me_evp = NULL;
869 wsevent_fini(evar);
870 }
871 return (error);
872 }
873
874 int
875 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
876 {
877 sc->sc_base.me_evp = evp;
878 sc->sc_translating = 0;
879
880 return (wskbd_enable(sc, 1));
881 }
882
883 int
884 wskbdclose(dev_t dev, int flags, int mode,
885 struct lwp *l)
886 {
887 struct wskbd_softc *sc =
888 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
889 struct wseventvar *evar = sc->sc_base.me_evp;
890
891 if (evar == NULL)
892 /* not open for read */
893 return (0);
894
895 sc->sc_base.me_evp = NULL;
896 sc->sc_translating = 1;
897 (void)wskbd_enable(sc, 0);
898 wsevent_fini(evar);
899
900 return (0);
901 }
902
903 #if NWSMUX > 0
904 int
905 wskbd_mux_close(struct wsevsrc *me)
906 {
907 struct wskbd_softc *sc = (struct wskbd_softc *)me;
908
909 sc->sc_base.me_evp = NULL;
910 sc->sc_translating = 1;
911 (void)wskbd_enable(sc, 0);
912
913 return (0);
914 }
915 #endif
916
917 int
918 wskbdread(dev_t dev, struct uio *uio, int flags)
919 {
920 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
921 int error;
922
923 if (sc->sc_dying)
924 return (EIO);
925
926 #ifdef DIAGNOSTIC
927 if (sc->sc_base.me_evp == NULL) {
928 printf("wskbdread: evp == NULL\n");
929 return (EINVAL);
930 }
931 #endif
932
933 sc->sc_refcnt++;
934 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
935 if (--sc->sc_refcnt < 0) {
936 wakeup(sc);
937 error = EIO;
938 }
939 return (error);
940 }
941
942 int
943 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
944 {
945 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
946 }
947
948 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
949 int
950 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
951 struct lwp *l)
952 {
953 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
954 int error;
955
956 sc->sc_refcnt++;
957 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
958 if (--sc->sc_refcnt < 0)
959 wakeup(sc);
960 return (error);
961 }
962
963 int
964 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
965 struct lwp *l)
966 {
967
968 /*
969 * Try the generic ioctls that the wskbd interface supports.
970 */
971 switch (cmd) {
972 case FIONBIO: /* we will remove this someday (soon???) */
973 return (0);
974
975 case FIOASYNC:
976 if (sc->sc_base.me_evp == NULL)
977 return (EINVAL);
978 sc->sc_base.me_evp->async = *(int *)data != 0;
979 return (0);
980
981 case FIOSETOWN:
982 if (sc->sc_base.me_evp == NULL)
983 return (EINVAL);
984 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
985 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
986 return (EPERM);
987 return (0);
988
989 case TIOCSPGRP:
990 if (sc->sc_base.me_evp == NULL)
991 return (EINVAL);
992 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
993 return (EPERM);
994 return (0);
995 }
996
997 /*
998 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
999 * if it didn't recognize the request.
1000 */
1001 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
1002 }
1003
1004 /*
1005 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
1006 * Some of these have no real effect in raw mode, however.
1007 */
1008 static int
1009 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
1010 struct lwp *l)
1011 {
1012 #ifdef WSDISPLAY_SCROLLSUPPORT
1013 struct wskbd_scroll_data *usdp, *ksdp;
1014 #endif
1015 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
1016 struct wskbd_bell_data *ubdp, *kbdp;
1017 struct wskbd_keyrepeat_data *ukdp, *kkdp;
1018 struct wskbd_map_data *umdp;
1019 struct wskbd_mapdata md;
1020 struct proc *p = l ? l->l_proc : NULL;
1021 kbd_t enc;
1022 void *tbuf;
1023 int len, error;
1024
1025 switch (cmd) {
1026 #define SETBELL(dstp, srcp, dfltp) \
1027 do { \
1028 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1029 (srcp)->pitch : (dfltp)->pitch; \
1030 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1031 (srcp)->period : (dfltp)->period; \
1032 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1033 (srcp)->volume : (dfltp)->volume; \
1034 (dstp)->which = WSKBD_BELL_DOALL; \
1035 } while (0)
1036
1037 case WSKBDIO_BELL:
1038 if ((flag & FWRITE) == 0)
1039 return (EACCES);
1040 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1041 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1042
1043 case WSKBDIO_COMPLEXBELL:
1044 if ((flag & FWRITE) == 0)
1045 return (EACCES);
1046 ubdp = (struct wskbd_bell_data *)data;
1047 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1048 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1049 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1050
1051 case WSKBDIO_SETBELL:
1052 if ((flag & FWRITE) == 0)
1053 return (EACCES);
1054 kbdp = &sc->sc_bell_data;
1055 setbell:
1056 ubdp = (struct wskbd_bell_data *)data;
1057 SETBELL(kbdp, ubdp, kbdp);
1058 return (0);
1059
1060 case WSKBDIO_GETBELL:
1061 kbdp = &sc->sc_bell_data;
1062 getbell:
1063 ubdp = (struct wskbd_bell_data *)data;
1064 SETBELL(ubdp, kbdp, kbdp);
1065 return (0);
1066
1067 case WSKBDIO_SETDEFAULTBELL:
1068 if (p && (error = kauth_authorize_generic(l->l_cred,
1069 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1070 return (error);
1071 kbdp = &wskbd_default_bell_data;
1072 goto setbell;
1073
1074
1075 case WSKBDIO_GETDEFAULTBELL:
1076 kbdp = &wskbd_default_bell_data;
1077 goto getbell;
1078
1079 #undef SETBELL
1080
1081 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1082 do { \
1083 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1084 (srcp)->del1 : (dfltp)->del1; \
1085 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1086 (srcp)->delN : (dfltp)->delN; \
1087 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1088 } while (0)
1089
1090 case WSKBDIO_SETKEYREPEAT:
1091 if ((flag & FWRITE) == 0)
1092 return (EACCES);
1093 kkdp = &sc->sc_keyrepeat_data;
1094 setkeyrepeat:
1095 ukdp = (struct wskbd_keyrepeat_data *)data;
1096 SETKEYREPEAT(kkdp, ukdp, kkdp);
1097 return (0);
1098
1099 case WSKBDIO_GETKEYREPEAT:
1100 kkdp = &sc->sc_keyrepeat_data;
1101 getkeyrepeat:
1102 ukdp = (struct wskbd_keyrepeat_data *)data;
1103 SETKEYREPEAT(ukdp, kkdp, kkdp);
1104 return (0);
1105
1106 case WSKBDIO_SETDEFAULTKEYREPEAT:
1107 if ((error = kauth_authorize_generic(l->l_cred,
1108 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1109 return (error);
1110 kkdp = &wskbd_default_keyrepeat_data;
1111 goto setkeyrepeat;
1112
1113
1114 case WSKBDIO_GETDEFAULTKEYREPEAT:
1115 kkdp = &wskbd_default_keyrepeat_data;
1116 goto getkeyrepeat;
1117
1118 #ifdef WSDISPLAY_SCROLLSUPPORT
1119 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1120 do { \
1121 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1122 (srcp)->mode : (dfltp)->mode; \
1123 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1124 (srcp)->modifier : (dfltp)->modifier; \
1125 (dstp)->which = WSKBD_SCROLL_DOALL; \
1126 } while (0)
1127
1128 case WSKBDIO_SETSCROLL:
1129 usdp = (struct wskbd_scroll_data *)data;
1130 ksdp = &sc->sc_scroll_data;
1131 SETSCROLLMOD(ksdp, usdp, ksdp);
1132 return (0);
1133
1134 case WSKBDIO_GETSCROLL:
1135 usdp = (struct wskbd_scroll_data *)data;
1136 ksdp = &sc->sc_scroll_data;
1137 SETSCROLLMOD(usdp, ksdp, ksdp);
1138 return (0);
1139 #else
1140 case WSKBDIO_GETSCROLL:
1141 case WSKBDIO_SETSCROLL:
1142 return ENODEV;
1143 #endif
1144
1145 #undef SETKEYREPEAT
1146
1147 case WSKBDIO_SETMAP:
1148 if ((flag & FWRITE) == 0)
1149 return (EACCES);
1150 umdp = (struct wskbd_map_data *)data;
1151 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1152 return (EINVAL);
1153
1154 len = umdp->maplen*sizeof(struct wscons_keymap);
1155 tbuf = malloc(len, M_TEMP, M_WAITOK);
1156 error = copyin(umdp->map, tbuf, len);
1157 if (error == 0) {
1158 wskbd_init_keymap(umdp->maplen,
1159 &sc->sc_map, &sc->sc_maplen);
1160 memcpy(sc->sc_map, tbuf, len);
1161 /* drop the variant bits handled by the map */
1162 sc->sc_layout = KB_USER |
1163 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1164 wskbd_update_layout(sc->id, sc->sc_layout);
1165 }
1166 free(tbuf, M_TEMP);
1167 return(error);
1168
1169 case WSKBDIO_GETMAP:
1170 umdp = (struct wskbd_map_data *)data;
1171 if (umdp->maplen > sc->sc_maplen)
1172 umdp->maplen = sc->sc_maplen;
1173 error = copyout(sc->sc_map, umdp->map,
1174 umdp->maplen*sizeof(struct wscons_keymap));
1175 return(error);
1176
1177 case WSKBDIO_GETENCODING:
1178 *((kbd_t *) data) = sc->sc_layout;
1179 return(0);
1180
1181 case WSKBDIO_SETENCODING:
1182 if ((flag & FWRITE) == 0)
1183 return (EACCES);
1184 enc = *((kbd_t *)data);
1185 if (KB_ENCODING(enc) == KB_USER) {
1186 /* user map must already be loaded */
1187 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1188 return (EINVAL);
1189 /* map variants make no sense */
1190 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1191 return (EINVAL);
1192 } else {
1193 md = *(sc->id->t_keymap); /* structure assignment */
1194 md.layout = enc;
1195 error = wskbd_load_keymap(&md, &sc->sc_map,
1196 &sc->sc_maplen);
1197 if (error)
1198 return (error);
1199 }
1200 sc->sc_layout = enc;
1201 wskbd_update_layout(sc->id, enc);
1202 return (0);
1203 }
1204
1205 /*
1206 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1207 * if it didn't recognize the request, and in turn we return
1208 * -1 if we didn't recognize the request.
1209 */
1210 /* printf("kbdaccess\n"); */
1211 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1212 flag, l);
1213 #ifdef WSDISPLAY_COMPAT_RAWKBD
1214 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1215 int s = spltty();
1216 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1217 | MOD_CONTROL_L | MOD_CONTROL_R
1218 | MOD_META_L | MOD_META_R
1219 | MOD_COMMAND
1220 | MOD_COMMAND1 | MOD_COMMAND2);
1221 if (sc->sc_repeating) {
1222 sc->sc_repeating = 0;
1223 callout_stop(&sc->sc_repeat_ch);
1224 }
1225 splx(s);
1226 }
1227 #endif
1228 return (error);
1229 }
1230
1231 int
1232 wskbdpoll(dev_t dev, int events, struct lwp *l)
1233 {
1234 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1235
1236 if (sc->sc_base.me_evp == NULL)
1237 return (POLLERR);
1238 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1239 }
1240
1241 int
1242 wskbdkqfilter(dev_t dev, struct knote *kn)
1243 {
1244 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1245
1246 if (sc->sc_base.me_evp == NULL)
1247 return (1);
1248 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1249 }
1250
1251 #if NWSDISPLAY > 0
1252
1253 int
1254 wskbd_pickfree(void)
1255 {
1256 int i;
1257 struct wskbd_softc *sc;
1258
1259 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1260 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1261 continue;
1262 if (sc->sc_base.me_dispdv == NULL)
1263 return (i);
1264 }
1265 return (-1);
1266 }
1267
1268 struct wsevsrc *
1269 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1270 {
1271 struct wskbd_softc *sc = wskbd_console_device;
1272
1273 if (sc == NULL)
1274 return (NULL);
1275 sc->sc_base.me_dispdv = displaydv;
1276 #if NWSMUX > 0
1277 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1278 #endif
1279 return (&sc->sc_base);
1280 }
1281
1282 int
1283 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1284 {
1285 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1286 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1287 struct device *odisplaydv;
1288 int error;
1289
1290 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1291 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1292 sc->sc_isconsole));
1293
1294 if (sc->sc_isconsole)
1295 return (EBUSY);
1296
1297 if (displaydv != NULL) {
1298 if (sc->sc_base.me_dispdv != NULL)
1299 return (EBUSY);
1300 } else {
1301 if (sc->sc_base.me_dispdv == NULL)
1302 return (ENXIO);
1303 }
1304
1305 odisplaydv = sc->sc_base.me_dispdv;
1306 sc->sc_base.me_dispdv = NULL;
1307 error = wskbd_enable(sc, displaydv != NULL);
1308 sc->sc_base.me_dispdv = displaydv;
1309 if (error) {
1310 sc->sc_base.me_dispdv = odisplaydv;
1311 return (error);
1312 }
1313
1314 if (displaydv)
1315 aprint_verbose("%s: connecting to %s\n",
1316 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1317 else
1318 aprint_verbose("%s: disconnecting from %s\n",
1319 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1320
1321 return (0);
1322 }
1323
1324 #endif /* NWSDISPLAY > 0 */
1325
1326 #if NWSMUX > 0
1327 int
1328 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1329 {
1330 struct wskbd_softc *sc;
1331
1332 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1333 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1334 return (ENXIO);
1335
1336 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1337 return (EBUSY);
1338
1339 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1340 }
1341 #endif
1342
1343 /*
1344 * Console interface.
1345 */
1346 int
1347 wskbd_cngetc(dev_t dev)
1348 {
1349 static int num = 0;
1350 static int pos;
1351 u_int type;
1352 int data;
1353 keysym_t ks;
1354
1355 if (!wskbd_console_initted)
1356 return 0;
1357
1358 if (wskbd_console_device != NULL &&
1359 !wskbd_console_device->sc_translating)
1360 return 0;
1361
1362 for(;;) {
1363 if (num-- > 0) {
1364 ks = wskbd_console_data.t_symbols[pos++];
1365 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1366 return (KS_VALUE(ks));
1367 } else {
1368 (*wskbd_console_data.t_consops->getc)
1369 (wskbd_console_data.t_consaccesscookie,
1370 &type, &data);
1371 if (type == WSCONS_EVENT_ASCII) {
1372 /*
1373 * We assume that when the driver falls back
1374 * to deliver pure ASCII it is in a state that
1375 * it can not track press/release events
1376 * reliable - so we clear all previously
1377 * accumulated modifier state.
1378 */
1379 wskbd_console_data.t_modifiers = 0;
1380 return(data);
1381 }
1382 num = wskbd_translate(&wskbd_console_data, type, data);
1383 pos = 0;
1384 }
1385 }
1386 }
1387
1388 void
1389 wskbd_cnpollc(dev_t dev, int poll)
1390 {
1391
1392 if (!wskbd_console_initted)
1393 return;
1394
1395 if (wskbd_console_device != NULL &&
1396 !wskbd_console_device->sc_translating)
1397 return;
1398
1399 (*wskbd_console_data.t_consops->pollc)
1400 (wskbd_console_data.t_consaccesscookie, poll);
1401 }
1402
1403 void
1404 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1405 {
1406
1407 if (!wskbd_console_initted)
1408 return;
1409
1410 if (wskbd_console_data.t_consops->bell != NULL)
1411 (*wskbd_console_data.t_consops->bell)
1412 (wskbd_console_data.t_consaccesscookie, pitch, period,
1413 volume);
1414 }
1415
1416 static inline void
1417 update_leds(struct wskbd_internal *id)
1418 {
1419 int new_state;
1420
1421 new_state = 0;
1422 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1423 new_state |= WSKBD_LED_CAPS;
1424 if (id->t_modifiers & MOD_NUMLOCK)
1425 new_state |= WSKBD_LED_NUM;
1426 if (id->t_modifiers & MOD_COMPOSE)
1427 new_state |= WSKBD_LED_COMPOSE;
1428 if (id->t_modifiers & MOD_HOLDSCREEN)
1429 new_state |= WSKBD_LED_SCROLL;
1430
1431 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1432 (*id->t_sc->sc_accessops->set_leds)
1433 (id->t_sc->sc_accesscookie, new_state);
1434 id->t_sc->sc_ledstate = new_state;
1435 }
1436 }
1437
1438 static inline void
1439 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1440 {
1441 if (toggle) {
1442 if (type == WSCONS_EVENT_KEY_DOWN)
1443 id->t_modifiers ^= mask;
1444 } else {
1445 if (type == WSCONS_EVENT_KEY_DOWN)
1446 id->t_modifiers |= mask;
1447 else
1448 id->t_modifiers &= ~mask;
1449 }
1450 }
1451
1452 #if NWSDISPLAY > 0
1453 static void
1454 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1455 int wraparound)
1456 {
1457 int res;
1458 struct wsdisplay_param dp;
1459
1460 dp.param = param;
1461 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1462
1463 if (res == EINVAL)
1464 return; /* no such parameter */
1465
1466 dp.curval += updown;
1467 if (dp.max < dp.curval)
1468 dp.curval = wraparound ? dp.min : dp.max;
1469 else
1470 if (dp.curval < dp.min)
1471 dp.curval = wraparound ? dp.max : dp.min;
1472 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1473 }
1474 #endif
1475
1476 static int
1477 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1478 keysym_t ksym2)
1479 {
1480 #ifdef WSDISPLAY_SCROLLSUPPORT
1481 u_int state = 0;
1482 #endif
1483 switch (ksym) {
1484 case KS_Cmd_VolumeToggle:
1485 if (*type == WSCONS_EVENT_KEY_DOWN)
1486 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
1487 break;
1488 case KS_Cmd_VolumeUp:
1489 if (*type == WSCONS_EVENT_KEY_DOWN)
1490 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
1491 break;
1492 case KS_Cmd_VolumeDown:
1493 if (*type == WSCONS_EVENT_KEY_DOWN)
1494 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
1495 break;
1496 #ifdef WSDISPLAY_SCROLLSUPPORT
1497 case KS_Cmd_ScrollFastUp:
1498 case KS_Cmd_ScrollFastDown:
1499 if (*type == WSCONS_EVENT_KEY_DOWN) {
1500 GETMODSTATE(sc->id->t_modifiers, state);
1501 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1502 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1503 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1504 && sc->sc_scroll_data.modifier == state)) {
1505 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1506 wsdisplay_scroll(sc->sc_base.me_dispdv,
1507 (ksym == KS_Cmd_ScrollFastUp) ?
1508 WSDISPLAY_SCROLL_BACKWARD :
1509 WSDISPLAY_SCROLL_FORWARD);
1510 return (1);
1511 } else {
1512 return (0);
1513 }
1514 }
1515
1516 case KS_Cmd_ScrollSlowUp:
1517 case KS_Cmd_ScrollSlowDown:
1518 if (*type == WSCONS_EVENT_KEY_DOWN) {
1519 GETMODSTATE(sc->id->t_modifiers, state);
1520 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1521 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1522 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1523 && sc->sc_scroll_data.modifier == state)) {
1524 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1525 wsdisplay_scroll(sc->sc_base.me_dispdv,
1526 (ksym == KS_Cmd_ScrollSlowUp) ?
1527 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1528 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1529 return (1);
1530 } else {
1531 return (0);
1532 }
1533 }
1534 #endif
1535
1536 case KS_Cmd:
1537 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1538 ksym = ksym2;
1539 break;
1540
1541 case KS_Cmd1:
1542 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1543 break;
1544
1545 case KS_Cmd2:
1546 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1547 break;
1548 }
1549
1550 if (*type != WSCONS_EVENT_KEY_DOWN ||
1551 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1552 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1553 return (0);
1554
1555 #if defined(DDB) || defined(KGDB)
1556 if (ksym == KS_Cmd_Debugger) {
1557 if (sc->sc_isconsole) {
1558 #ifdef DDB
1559 console_debugger();
1560 #endif
1561 #ifdef KGDB
1562 kgdb_connect(1);
1563 #endif
1564 }
1565 /* discard this key (ddb discarded command modifiers) */
1566 *type = WSCONS_EVENT_KEY_UP;
1567 return (1);
1568 }
1569 #endif
1570
1571 #if NWSDISPLAY > 0
1572 if (sc->sc_base.me_dispdv == NULL)
1573 return (0);
1574
1575 switch (ksym) {
1576 case KS_Cmd_Screen0:
1577 case KS_Cmd_Screen1:
1578 case KS_Cmd_Screen2:
1579 case KS_Cmd_Screen3:
1580 case KS_Cmd_Screen4:
1581 case KS_Cmd_Screen5:
1582 case KS_Cmd_Screen6:
1583 case KS_Cmd_Screen7:
1584 case KS_Cmd_Screen8:
1585 case KS_Cmd_Screen9:
1586 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1587 return (1);
1588 case KS_Cmd_ResetEmul:
1589 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1590 return (1);
1591 case KS_Cmd_ResetClose:
1592 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1593 return (1);
1594 case KS_Cmd_BacklightOn:
1595 case KS_Cmd_BacklightOff:
1596 case KS_Cmd_BacklightToggle:
1597 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1598 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1599 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1600 return (1);
1601 case KS_Cmd_BrightnessUp:
1602 case KS_Cmd_BrightnessDown:
1603 case KS_Cmd_BrightnessRotate:
1604 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1605 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1606 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1607 return (1);
1608 case KS_Cmd_ContrastUp:
1609 case KS_Cmd_ContrastDown:
1610 case KS_Cmd_ContrastRotate:
1611 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1612 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1613 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1614 return (1);
1615 }
1616 #endif
1617
1618 return (0);
1619 }
1620
1621 static int
1622 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1623 {
1624 struct wskbd_softc *sc = id->t_sc;
1625 keysym_t ksym, res, *group;
1626 struct wscons_keymap kpbuf, *kp;
1627 int iscommand = 0;
1628
1629 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1630 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1631 | MOD_CONTROL_L | MOD_CONTROL_R
1632 | MOD_META_L | MOD_META_R
1633 | MOD_MODESHIFT
1634 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1635 update_leds(id);
1636 return (0);
1637 }
1638
1639 if (sc != NULL) {
1640 if (value < 0 || value >= sc->sc_maplen) {
1641 #ifdef DEBUG
1642 printf("wskbd_translate: keycode %d out of range\n",
1643 value);
1644 #endif
1645 return (0);
1646 }
1647 kp = sc->sc_map + value;
1648 } else {
1649 kp = &kpbuf;
1650 wskbd_get_mapentry(id->t_keymap, value, kp);
1651 }
1652
1653 /* if this key has a command, process it first */
1654 if (sc != NULL && kp->command != KS_voidSymbol)
1655 iscommand = internal_command(sc, &type, kp->command,
1656 kp->group1[0]);
1657
1658 /* Now update modifiers */
1659 switch (kp->group1[0]) {
1660 case KS_Shift_L:
1661 update_modifier(id, type, 0, MOD_SHIFT_L);
1662 break;
1663
1664 case KS_Shift_R:
1665 update_modifier(id, type, 0, MOD_SHIFT_R);
1666 break;
1667
1668 case KS_Shift_Lock:
1669 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1670 break;
1671
1672 case KS_Caps_Lock:
1673 update_modifier(id, type, 1, MOD_CAPSLOCK);
1674 break;
1675
1676 case KS_Control_L:
1677 update_modifier(id, type, 0, MOD_CONTROL_L);
1678 break;
1679
1680 case KS_Control_R:
1681 update_modifier(id, type, 0, MOD_CONTROL_R);
1682 break;
1683
1684 case KS_Alt_L:
1685 update_modifier(id, type, 0, MOD_META_L);
1686 break;
1687
1688 case KS_Alt_R:
1689 update_modifier(id, type, 0, MOD_META_R);
1690 break;
1691
1692 case KS_Mode_switch:
1693 update_modifier(id, type, 0, MOD_MODESHIFT);
1694 break;
1695
1696 case KS_Num_Lock:
1697 update_modifier(id, type, 1, MOD_NUMLOCK);
1698 break;
1699
1700 #if NWSDISPLAY > 0
1701 case KS_Hold_Screen:
1702 if (sc != NULL) {
1703 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1704 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1705 }
1706 break;
1707 #endif
1708 }
1709
1710 /* If this is a key release or we are in command mode, we are done */
1711 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1712 update_leds(id);
1713 return (0);
1714 }
1715
1716 /* Get the keysym */
1717 if (id->t_modifiers & MOD_MODESHIFT)
1718 group = & kp->group2[0];
1719 else
1720 group = & kp->group1[0];
1721
1722 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1723 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1724 if (MOD_ONESET(id, MOD_ANYSHIFT))
1725 ksym = group[0];
1726 else
1727 ksym = group[1];
1728 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1729 ksym = group[0];
1730 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1731 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1732 ksym = group[0];
1733 else
1734 ksym = group[1];
1735 if (ksym >= KS_a && ksym <= KS_z)
1736 ksym += KS_A - KS_a;
1737 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1738 ksym != KS_division)
1739 ksym += KS_Agrave - KS_agrave;
1740 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1741 ksym = group[1];
1742 } else {
1743 ksym = group[0];
1744 }
1745
1746 /* Process compose sequence and dead accents */
1747 res = KS_voidSymbol;
1748
1749 switch (KS_GROUP(ksym)) {
1750 case KS_GROUP_Ascii:
1751 case KS_GROUP_Keypad:
1752 case KS_GROUP_Function:
1753 res = ksym;
1754 break;
1755
1756 case KS_GROUP_Mod:
1757 if (ksym == KS_Multi_key) {
1758 update_modifier(id, 1, 0, MOD_COMPOSE);
1759 id->t_composelen = 2;
1760 }
1761 break;
1762
1763 case KS_GROUP_Dead:
1764 if (id->t_composelen == 0) {
1765 update_modifier(id, 1, 0, MOD_COMPOSE);
1766 id->t_composelen = 1;
1767 id->t_composebuf[0] = ksym;
1768 } else
1769 res = ksym;
1770 break;
1771 }
1772
1773 if (res == KS_voidSymbol) {
1774 update_leds(id);
1775 return (0);
1776 }
1777
1778 if (id->t_composelen > 0) {
1779 id->t_composebuf[2 - id->t_composelen] = res;
1780 if (--id->t_composelen == 0) {
1781 res = wskbd_compose_value(id->t_composebuf);
1782 update_modifier(id, 0, 0, MOD_COMPOSE);
1783 } else {
1784 return (0);
1785 }
1786 }
1787
1788 update_leds(id);
1789
1790 /* We are done, return the symbol */
1791 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1792 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1793 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1794 res = res & 0x1f;
1795 else if (res == KS_2)
1796 res = 0x00;
1797 else if (res >= KS_3 && res <= KS_7)
1798 res = KS_Escape + (res - KS_3);
1799 else if (res == KS_8)
1800 res = KS_Delete;
1801 }
1802 if (MOD_ONESET(id, MOD_ANYMETA)) {
1803 if (id->t_flags & WSKFL_METAESC) {
1804 id->t_symbols[0] = KS_Escape;
1805 id->t_symbols[1] = res;
1806 return (2);
1807 } else
1808 res |= 0x80;
1809 }
1810 }
1811
1812 id->t_symbols[0] = res;
1813 return (1);
1814 }
1815