wskbd.c revision 1.105.4.1 1 /* $NetBSD: wskbd.c,v 1.105.4.1 2007/10/18 08:33:09 yamt 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 1.105.4.1 2007/10/18 08:33:09 yamt 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 #if NWSDISPLAY > 0
322 static void wskbd_repeat(void *v);
323 #endif
324
325 static int wskbd_console_initted;
326 static struct wskbd_softc *wskbd_console_device;
327 static struct wskbd_internal wskbd_console_data;
328
329 static void wskbd_update_layout(struct wskbd_internal *, kbd_t);
330
331 static void
332 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
333 {
334
335 if (enc & KB_METAESC)
336 id->t_flags |= WSKFL_METAESC;
337 else
338 id->t_flags &= ~WSKFL_METAESC;
339 }
340
341 /*
342 * Print function (for parent devices).
343 */
344 int
345 wskbddevprint(void *aux, const char *pnp)
346 {
347 #if 0
348 struct wskbddev_attach_args *ap = aux;
349 #endif
350
351 if (pnp)
352 aprint_normal("wskbd at %s", pnp);
353 #if 0
354 aprint_normal(" console %d", ap->console);
355 #endif
356
357 return (UNCONF);
358 }
359
360 int
361 wskbd_match(struct device *parent, struct cfdata *match, void *aux)
362 {
363 struct wskbddev_attach_args *ap = aux;
364
365 if (match->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) {
366 /*
367 * If console-ness of device specified, either match
368 * exactly (at high priority), or fail.
369 */
370 if (match->wskbddevcf_console != 0 && ap->console != 0)
371 return (10);
372 else
373 return (0);
374 }
375
376 /* If console-ness unspecified, it wins. */
377 return (1);
378 }
379
380 void
381 wskbd_attach(struct device *parent, struct device *self, void *aux)
382 {
383 struct wskbd_softc *sc = (struct wskbd_softc *)self;
384 struct wskbddev_attach_args *ap = aux;
385 #if NWSMUX > 0
386 int mux, error;
387 #endif
388
389 sc->sc_isconsole = ap->console;
390
391 #if NWSMUX > 0 || NWSDISPLAY > 0
392 sc->sc_base.me_ops = &wskbd_srcops;
393 #endif
394 #if NWSMUX > 0
395 mux = device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux;
396 if (ap->console) {
397 /* Ignore mux for console; it always goes to the console mux. */
398 /* printf(" (mux %d ignored for console)", mux); */
399 mux = -1;
400 }
401 if (mux >= 0)
402 printf(" mux %d", mux);
403 #else
404 if (device_cfdata(&sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
405 printf(" (mux ignored)");
406 #endif
407
408 if (ap->console) {
409 sc->id = &wskbd_console_data;
410 } else {
411 sc->id = malloc(sizeof(struct wskbd_internal),
412 M_DEVBUF, M_WAITOK|M_ZERO);
413 sc->id->t_keymap = ap->keymap;
414 wskbd_update_layout(sc->id, ap->keymap->layout);
415 }
416
417 callout_init(&sc->sc_repeat_ch, 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 printf(": console keyboard");
449
450 #if NWSDISPLAY > 0
451 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
452 if (sc->sc_base.me_dispdv != NULL)
453 printf(", using %s", sc->sc_base.me_dispdv->dv_xname);
454 #endif
455 }
456 printf("\n");
457
458 #if NWSMUX > 0
459 if (mux >= 0) {
460 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
461 if (error)
462 printf("%s: attach error=%d\n",
463 sc->sc_base.me_dv.dv_xname, error);
464 }
465 #endif
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 #if NWSDISPLAY > 0
623 /*
624 * If /dev/wskbdN is not connected in event mode translate and
625 * send upstream.
626 */
627 if (sc->sc_translating) {
628 num = wskbd_translate(sc->id, type, value);
629 if (num > 0) {
630 if (sc->sc_base.me_dispdv != NULL) {
631 #ifdef WSDISPLAY_SCROLLSUPPORT
632 if (sc->id->t_symbols [0] != KS_Print_Screen) {
633 wsdisplay_scroll(sc->sc_base.
634 me_dispdv, WSDISPLAY_SCROLL_RESET);
635 }
636 #endif
637 for (i = 0; i < num; i++)
638 wsdisplay_kbdinput(
639 sc->sc_base.me_dispdv,
640 sc->id->t_symbols[i]);
641 }
642
643 if (sc->sc_keyrepeat_data.del1 != 0) {
644 sc->sc_repeating = num;
645 callout_schedule(&sc->sc_repeat_ch,
646 mstohz(sc->sc_keyrepeat_data.del1));
647 }
648 }
649 return;
650 }
651 #endif
652
653 wskbd_deliver_event(sc, type, value);
654
655 #if defined(WSKBD_EVENT_AUTOREPEAT)
656 /* Repeat key presses if set. */
657 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
658 sc->sc_repeat_type = type;
659 sc->sc_repeat_value = value;
660 sc->sc_repeating = 1;
661 callout_schedule(&sc->sc_repeat_ch,
662 mstohz(sc->sc_keyrepeat_data.del1));
663 }
664 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
665 }
666
667 /*
668 * Keyboard is generating events. Turn this keystroke into an
669 * event and put it in the queue. If the queue is full, the
670 * keystroke is lost (sorry!).
671 */
672 static void
673 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
674 {
675 struct wseventvar *evar;
676 struct wscons_event event;
677
678 evar = sc->sc_base.me_evp;
679
680 if (evar == NULL) {
681 DPRINTF(("wskbd_input: not open\n"));
682 return;
683 }
684
685 #ifdef DIAGNOSTIC
686 if (evar->q == NULL) {
687 printf("wskbd_input: evar->q=NULL\n");
688 return;
689 }
690 #endif
691
692 event.type = type;
693 event.value = value;
694 if (wsevent_inject(evar, &event, 1) != 0)
695 log(LOG_WARNING, "%s: event queue overflow\n",
696 sc->sc_base.me_dv.dv_xname);
697 }
698
699 #ifdef WSDISPLAY_COMPAT_RAWKBD
700 void
701 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
702 {
703 #if NWSDISPLAY > 0
704 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
705 int i;
706
707 if (sc->sc_base.me_dispdv != NULL)
708 for (i = 0; i < len; i++)
709 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
710 /* this is KS_GROUP_Ascii */
711 #endif
712 }
713 #endif /* WSDISPLAY_COMPAT_RAWKBD */
714
715 #if NWSDISPLAY > 0
716 static void
717 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
718 {
719 int new_state;
720
721 if (sc->sc_base.me_dispdv != NULL) {
722 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
723 new_state = sc->sc_ledstate;
724 if (hold) {
725 #ifdef WSDISPLAY_SCROLLSUPPORT
726 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
727 #endif
728 new_state |= WSKBD_LED_SCROLL;
729 } else {
730 #ifdef WSDISPLAY_SCROLLSUPPORT
731 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
732 #endif
733 new_state &= ~WSKBD_LED_SCROLL;
734 }
735 if (new_state != sc->sc_ledstate) {
736 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
737 new_state);
738 sc->sc_ledstate = new_state;
739 #ifdef WSDISPLAY_SCROLLSUPPORT
740 if (!hold)
741 wsdisplay_scroll(sc->sc_base.me_dispdv,
742 WSDISPLAY_SCROLL_RESET);
743 #endif
744 }
745 }
746 }
747 #endif
748
749 static int
750 wskbd_enable(struct wskbd_softc *sc, int on)
751 {
752 int error;
753
754 #if 0
755 /* I don't understand the purpose of this code. And it seems to
756 * break things, so it's out. -- Lennart
757 */
758 if (!on && (!sc->sc_translating
759 #if NWSDISPLAY > 0
760 || sc->sc_base.me_dispdv
761 #endif
762 ))
763 return (EBUSY);
764 #endif
765 #if NWSDISPLAY > 0
766 if (sc->sc_base.me_dispdv != NULL)
767 return (0);
768 #endif
769
770 /* Always cancel auto repeat when fiddling with the kbd. */
771 if (sc->sc_repeating) {
772 sc->sc_repeating = 0;
773 callout_stop(&sc->sc_repeat_ch);
774 }
775
776 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
777 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
778 return (error);
779 }
780
781 #if NWSMUX > 0
782 int
783 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
784 {
785 struct wskbd_softc *sc = (struct wskbd_softc *)me;
786
787 if (sc->sc_dying)
788 return (EIO);
789
790 if (sc->sc_base.me_evp != NULL)
791 return (EBUSY);
792
793 return (wskbd_do_open(sc, evp));
794 }
795 #endif
796
797 int
798 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
799 {
800 struct wskbd_softc *sc;
801 struct wseventvar *evar;
802 int unit, error;
803
804 unit = minor(dev);
805 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
806 (sc = wskbd_cd.cd_devs[unit]) == NULL)
807 return (ENXIO);
808
809 #if NWSMUX > 0
810 DPRINTF(("wskbdopen: %s mux=%p l=%p\n", sc->sc_base.me_dv.dv_xname,
811 sc->sc_base.me_parent, l));
812 #endif
813
814 if (sc->sc_dying)
815 return (EIO);
816
817 if ((flags & (FREAD | FWRITE)) == FWRITE)
818 /* Not opening for read, only ioctl is available. */
819 return (0);
820
821 #if NWSMUX > 0
822 if (sc->sc_base.me_parent != NULL) {
823 /* Grab the keyboard out of the greedy hands of the mux. */
824 DPRINTF(("wskbdopen: detach\n"));
825 wsmux_detach_sc(&sc->sc_base);
826 }
827 #endif
828
829 if (sc->sc_base.me_evp != NULL)
830 return (EBUSY);
831
832 evar = &sc->sc_base.me_evar;
833 wsevent_init(evar, l->l_proc);
834
835 error = wskbd_do_open(sc, evar);
836 if (error) {
837 DPRINTF(("wskbdopen: %s open failed\n",
838 sc->sc_base.me_dv.dv_xname));
839 sc->sc_base.me_evp = NULL;
840 wsevent_fini(evar);
841 }
842 return (error);
843 }
844
845 int
846 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
847 {
848 sc->sc_base.me_evp = evp;
849 sc->sc_translating = 0;
850
851 return (wskbd_enable(sc, 1));
852 }
853
854 int
855 wskbdclose(dev_t dev, int flags, int mode,
856 struct lwp *l)
857 {
858 struct wskbd_softc *sc =
859 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
860 struct wseventvar *evar = sc->sc_base.me_evp;
861
862 if (evar == NULL)
863 /* not open for read */
864 return (0);
865
866 sc->sc_base.me_evp = NULL;
867 sc->sc_translating = 1;
868 (void)wskbd_enable(sc, 0);
869 wsevent_fini(evar);
870
871 return (0);
872 }
873
874 #if NWSMUX > 0
875 int
876 wskbd_mux_close(struct wsevsrc *me)
877 {
878 struct wskbd_softc *sc = (struct wskbd_softc *)me;
879
880 sc->sc_base.me_evp = NULL;
881 sc->sc_translating = 1;
882 (void)wskbd_enable(sc, 0);
883
884 return (0);
885 }
886 #endif
887
888 int
889 wskbdread(dev_t dev, struct uio *uio, int flags)
890 {
891 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
892 int error;
893
894 if (sc->sc_dying)
895 return (EIO);
896
897 #ifdef DIAGNOSTIC
898 if (sc->sc_base.me_evp == NULL) {
899 printf("wskbdread: evp == NULL\n");
900 return (EINVAL);
901 }
902 #endif
903
904 sc->sc_refcnt++;
905 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
906 if (--sc->sc_refcnt < 0) {
907 wakeup(sc);
908 error = EIO;
909 }
910 return (error);
911 }
912
913 int
914 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
915 {
916 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,l));
917 }
918
919 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
920 int
921 wskbd_do_ioctl(struct device *dv, u_long cmd, void *data, int flag,
922 struct lwp *l)
923 {
924 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
925 int error;
926
927 sc->sc_refcnt++;
928 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
929 if (--sc->sc_refcnt < 0)
930 wakeup(sc);
931 return (error);
932 }
933
934 int
935 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
936 struct lwp *l)
937 {
938
939 /*
940 * Try the generic ioctls that the wskbd interface supports.
941 */
942 switch (cmd) {
943 case FIONBIO: /* we will remove this someday (soon???) */
944 return (0);
945
946 case FIOASYNC:
947 if (sc->sc_base.me_evp == NULL)
948 return (EINVAL);
949 sc->sc_base.me_evp->async = *(int *)data != 0;
950 return (0);
951
952 case FIOSETOWN:
953 if (sc->sc_base.me_evp == NULL)
954 return (EINVAL);
955 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
956 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
957 return (EPERM);
958 return (0);
959
960 case TIOCSPGRP:
961 if (sc->sc_base.me_evp == NULL)
962 return (EINVAL);
963 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
964 return (EPERM);
965 return (0);
966 }
967
968 /*
969 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
970 * if it didn't recognize the request.
971 */
972 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, l));
973 }
974
975 /*
976 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
977 * Some of these have no real effect in raw mode, however.
978 */
979 static int
980 wskbd_displayioctl(struct device *dev, u_long cmd, void *data, int flag,
981 struct lwp *l)
982 {
983 #ifdef WSDISPLAY_SCROLLSUPPORT
984 struct wskbd_scroll_data *usdp, *ksdp;
985 #endif
986 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
987 struct wskbd_bell_data *ubdp, *kbdp;
988 struct wskbd_keyrepeat_data *ukdp, *kkdp;
989 struct wskbd_map_data *umdp;
990 struct wskbd_mapdata md;
991 struct proc *p = l ? l->l_proc : NULL;
992 kbd_t enc;
993 void *tbuf;
994 int len, error;
995
996 switch (cmd) {
997 #define SETBELL(dstp, srcp, dfltp) \
998 do { \
999 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1000 (srcp)->pitch : (dfltp)->pitch; \
1001 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1002 (srcp)->period : (dfltp)->period; \
1003 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1004 (srcp)->volume : (dfltp)->volume; \
1005 (dstp)->which = WSKBD_BELL_DOALL; \
1006 } while (0)
1007
1008 case WSKBDIO_BELL:
1009 if ((flag & FWRITE) == 0)
1010 return (EACCES);
1011 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1012 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1013
1014 case WSKBDIO_COMPLEXBELL:
1015 if ((flag & FWRITE) == 0)
1016 return (EACCES);
1017 ubdp = (struct wskbd_bell_data *)data;
1018 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1019 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1020 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1021
1022 case WSKBDIO_SETBELL:
1023 if ((flag & FWRITE) == 0)
1024 return (EACCES);
1025 kbdp = &sc->sc_bell_data;
1026 setbell:
1027 ubdp = (struct wskbd_bell_data *)data;
1028 SETBELL(kbdp, ubdp, kbdp);
1029 return (0);
1030
1031 case WSKBDIO_GETBELL:
1032 kbdp = &sc->sc_bell_data;
1033 getbell:
1034 ubdp = (struct wskbd_bell_data *)data;
1035 SETBELL(ubdp, kbdp, kbdp);
1036 return (0);
1037
1038 case WSKBDIO_SETDEFAULTBELL:
1039 if (p && (error = kauth_authorize_generic(l->l_cred,
1040 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1041 return (error);
1042 kbdp = &wskbd_default_bell_data;
1043 goto setbell;
1044
1045
1046 case WSKBDIO_GETDEFAULTBELL:
1047 kbdp = &wskbd_default_bell_data;
1048 goto getbell;
1049
1050 #undef SETBELL
1051
1052 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1053 do { \
1054 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1055 (srcp)->del1 : (dfltp)->del1; \
1056 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1057 (srcp)->delN : (dfltp)->delN; \
1058 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1059 } while (0)
1060
1061 case WSKBDIO_SETKEYREPEAT:
1062 if ((flag & FWRITE) == 0)
1063 return (EACCES);
1064 kkdp = &sc->sc_keyrepeat_data;
1065 setkeyrepeat:
1066 ukdp = (struct wskbd_keyrepeat_data *)data;
1067 SETKEYREPEAT(kkdp, ukdp, kkdp);
1068 return (0);
1069
1070 case WSKBDIO_GETKEYREPEAT:
1071 kkdp = &sc->sc_keyrepeat_data;
1072 getkeyrepeat:
1073 ukdp = (struct wskbd_keyrepeat_data *)data;
1074 SETKEYREPEAT(ukdp, kkdp, kkdp);
1075 return (0);
1076
1077 case WSKBDIO_SETDEFAULTKEYREPEAT:
1078 if ((error = kauth_authorize_generic(l->l_cred,
1079 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1080 return (error);
1081 kkdp = &wskbd_default_keyrepeat_data;
1082 goto setkeyrepeat;
1083
1084
1085 case WSKBDIO_GETDEFAULTKEYREPEAT:
1086 kkdp = &wskbd_default_keyrepeat_data;
1087 goto getkeyrepeat;
1088
1089 #ifdef WSDISPLAY_SCROLLSUPPORT
1090 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1091 do { \
1092 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1093 (srcp)->mode : (dfltp)->mode; \
1094 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1095 (srcp)->modifier : (dfltp)->modifier; \
1096 (dstp)->which = WSKBD_SCROLL_DOALL; \
1097 } while (0)
1098
1099 case WSKBDIO_SETSCROLL:
1100 usdp = (struct wskbd_scroll_data *)data;
1101 ksdp = &sc->sc_scroll_data;
1102 SETSCROLLMOD(ksdp, usdp, ksdp);
1103 return (0);
1104
1105 case WSKBDIO_GETSCROLL:
1106 usdp = (struct wskbd_scroll_data *)data;
1107 ksdp = &sc->sc_scroll_data;
1108 SETSCROLLMOD(usdp, ksdp, ksdp);
1109 return (0);
1110 #else
1111 case WSKBDIO_GETSCROLL:
1112 case WSKBDIO_SETSCROLL:
1113 return ENODEV;
1114 #endif
1115
1116 #undef SETKEYREPEAT
1117
1118 case WSKBDIO_SETMAP:
1119 if ((flag & FWRITE) == 0)
1120 return (EACCES);
1121 umdp = (struct wskbd_map_data *)data;
1122 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1123 return (EINVAL);
1124
1125 len = umdp->maplen*sizeof(struct wscons_keymap);
1126 tbuf = malloc(len, M_TEMP, M_WAITOK);
1127 error = copyin(umdp->map, tbuf, len);
1128 if (error == 0) {
1129 wskbd_init_keymap(umdp->maplen,
1130 &sc->sc_map, &sc->sc_maplen);
1131 memcpy(sc->sc_map, tbuf, len);
1132 /* drop the variant bits handled by the map */
1133 sc->sc_layout = KB_USER |
1134 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1135 wskbd_update_layout(sc->id, sc->sc_layout);
1136 }
1137 free(tbuf, M_TEMP);
1138 return(error);
1139
1140 case WSKBDIO_GETMAP:
1141 umdp = (struct wskbd_map_data *)data;
1142 if (umdp->maplen > sc->sc_maplen)
1143 umdp->maplen = sc->sc_maplen;
1144 error = copyout(sc->sc_map, umdp->map,
1145 umdp->maplen*sizeof(struct wscons_keymap));
1146 return(error);
1147
1148 case WSKBDIO_GETENCODING:
1149 *((kbd_t *) data) = sc->sc_layout;
1150 return(0);
1151
1152 case WSKBDIO_SETENCODING:
1153 if ((flag & FWRITE) == 0)
1154 return (EACCES);
1155 enc = *((kbd_t *)data);
1156 if (KB_ENCODING(enc) == KB_USER) {
1157 /* user map must already be loaded */
1158 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1159 return (EINVAL);
1160 /* map variants make no sense */
1161 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1162 return (EINVAL);
1163 } else {
1164 md = *(sc->id->t_keymap); /* structure assignment */
1165 md.layout = enc;
1166 error = wskbd_load_keymap(&md, &sc->sc_map,
1167 &sc->sc_maplen);
1168 if (error)
1169 return (error);
1170 }
1171 sc->sc_layout = enc;
1172 wskbd_update_layout(sc->id, enc);
1173 return (0);
1174 }
1175
1176 /*
1177 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1178 * if it didn't recognize the request, and in turn we return
1179 * -1 if we didn't recognize the request.
1180 */
1181 /* printf("kbdaccess\n"); */
1182 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1183 flag, l);
1184 #ifdef WSDISPLAY_COMPAT_RAWKBD
1185 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1186 int s = spltty();
1187 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1188 | MOD_CONTROL_L | MOD_CONTROL_R
1189 | MOD_META_L | MOD_META_R
1190 | MOD_COMMAND
1191 | MOD_COMMAND1 | MOD_COMMAND2);
1192 if (sc->sc_repeating) {
1193 sc->sc_repeating = 0;
1194 callout_stop(&sc->sc_repeat_ch);
1195 }
1196 splx(s);
1197 }
1198 #endif
1199 return (error);
1200 }
1201
1202 int
1203 wskbdpoll(dev_t dev, int events, struct lwp *l)
1204 {
1205 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1206
1207 if (sc->sc_base.me_evp == NULL)
1208 return (POLLERR);
1209 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1210 }
1211
1212 int
1213 wskbdkqfilter(dev_t dev, struct knote *kn)
1214 {
1215 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1216
1217 if (sc->sc_base.me_evp == NULL)
1218 return (1);
1219 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1220 }
1221
1222 #if NWSDISPLAY > 0
1223
1224 int
1225 wskbd_pickfree(void)
1226 {
1227 int i;
1228 struct wskbd_softc *sc;
1229
1230 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1231 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1232 continue;
1233 if (sc->sc_base.me_dispdv == NULL)
1234 return (i);
1235 }
1236 return (-1);
1237 }
1238
1239 struct wsevsrc *
1240 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1241 {
1242 struct wskbd_softc *sc = wskbd_console_device;
1243
1244 if (sc == NULL)
1245 return (NULL);
1246 sc->sc_base.me_dispdv = displaydv;
1247 #if NWSMUX > 0
1248 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1249 #endif
1250 return (&sc->sc_base);
1251 }
1252
1253 int
1254 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1255 {
1256 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1257 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1258 struct device *odisplaydv;
1259 int error;
1260
1261 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1262 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1263 sc->sc_isconsole));
1264
1265 if (sc->sc_isconsole)
1266 return (EBUSY);
1267
1268 if (displaydv != NULL) {
1269 if (sc->sc_base.me_dispdv != NULL)
1270 return (EBUSY);
1271 } else {
1272 if (sc->sc_base.me_dispdv == NULL)
1273 return (ENXIO);
1274 }
1275
1276 odisplaydv = sc->sc_base.me_dispdv;
1277 sc->sc_base.me_dispdv = NULL;
1278 error = wskbd_enable(sc, displaydv != NULL);
1279 sc->sc_base.me_dispdv = displaydv;
1280 if (error) {
1281 sc->sc_base.me_dispdv = odisplaydv;
1282 return (error);
1283 }
1284
1285 if (displaydv)
1286 aprint_verbose("%s: connecting to %s\n",
1287 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1288 else
1289 aprint_verbose("%s: disconnecting from %s\n",
1290 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1291
1292 return (0);
1293 }
1294
1295 #endif /* NWSDISPLAY > 0 */
1296
1297 #if NWSMUX > 0
1298 int
1299 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1300 {
1301 struct wskbd_softc *sc;
1302
1303 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1304 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1305 return (ENXIO);
1306
1307 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1308 return (EBUSY);
1309
1310 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1311 }
1312 #endif
1313
1314 /*
1315 * Console interface.
1316 */
1317 int
1318 wskbd_cngetc(dev_t dev)
1319 {
1320 static int num = 0;
1321 static int pos;
1322 u_int type;
1323 int data;
1324 keysym_t ks;
1325
1326 if (!wskbd_console_initted)
1327 return 0;
1328
1329 if (wskbd_console_device != NULL &&
1330 !wskbd_console_device->sc_translating)
1331 return 0;
1332
1333 for(;;) {
1334 if (num-- > 0) {
1335 ks = wskbd_console_data.t_symbols[pos++];
1336 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1337 return (KS_VALUE(ks));
1338 } else {
1339 (*wskbd_console_data.t_consops->getc)
1340 (wskbd_console_data.t_consaccesscookie,
1341 &type, &data);
1342 if (type == WSCONS_EVENT_ASCII) {
1343 /*
1344 * We assume that when the driver falls back
1345 * to deliver pure ASCII it is in a state that
1346 * it can not track press/release events
1347 * reliable - so we clear all previously
1348 * accumulated modifier state.
1349 */
1350 wskbd_console_data.t_modifiers = 0;
1351 return(data);
1352 }
1353 num = wskbd_translate(&wskbd_console_data, type, data);
1354 pos = 0;
1355 }
1356 }
1357 }
1358
1359 void
1360 wskbd_cnpollc(dev_t dev, int poll)
1361 {
1362
1363 if (!wskbd_console_initted)
1364 return;
1365
1366 if (wskbd_console_device != NULL &&
1367 !wskbd_console_device->sc_translating)
1368 return;
1369
1370 (*wskbd_console_data.t_consops->pollc)
1371 (wskbd_console_data.t_consaccesscookie, poll);
1372 }
1373
1374 void
1375 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1376 {
1377
1378 if (!wskbd_console_initted)
1379 return;
1380
1381 if (wskbd_console_data.t_consops->bell != NULL)
1382 (*wskbd_console_data.t_consops->bell)
1383 (wskbd_console_data.t_consaccesscookie, pitch, period,
1384 volume);
1385 }
1386
1387 static inline void
1388 update_leds(struct wskbd_internal *id)
1389 {
1390 int new_state;
1391
1392 new_state = 0;
1393 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1394 new_state |= WSKBD_LED_CAPS;
1395 if (id->t_modifiers & MOD_NUMLOCK)
1396 new_state |= WSKBD_LED_NUM;
1397 if (id->t_modifiers & MOD_COMPOSE)
1398 new_state |= WSKBD_LED_COMPOSE;
1399 if (id->t_modifiers & MOD_HOLDSCREEN)
1400 new_state |= WSKBD_LED_SCROLL;
1401
1402 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1403 (*id->t_sc->sc_accessops->set_leds)
1404 (id->t_sc->sc_accesscookie, new_state);
1405 id->t_sc->sc_ledstate = new_state;
1406 }
1407 }
1408
1409 static inline void
1410 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1411 {
1412 if (toggle) {
1413 if (type == WSCONS_EVENT_KEY_DOWN)
1414 id->t_modifiers ^= mask;
1415 } else {
1416 if (type == WSCONS_EVENT_KEY_DOWN)
1417 id->t_modifiers |= mask;
1418 else
1419 id->t_modifiers &= ~mask;
1420 }
1421 }
1422
1423 #if NWSDISPLAY > 0
1424 static void
1425 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1426 int wraparound)
1427 {
1428 int res;
1429 struct wsdisplay_param dp;
1430
1431 dp.param = param;
1432 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1433
1434 if (res == EINVAL)
1435 return; /* no such parameter */
1436
1437 dp.curval += updown;
1438 if (dp.max < dp.curval)
1439 dp.curval = wraparound ? dp.min : dp.max;
1440 else
1441 if (dp.curval < dp.min)
1442 dp.curval = wraparound ? dp.max : dp.min;
1443 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1444 }
1445 #endif
1446
1447 static int
1448 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1449 keysym_t ksym2)
1450 {
1451 #ifdef WSDISPLAY_SCROLLSUPPORT
1452 u_int state = 0;
1453 #endif
1454 switch (ksym) {
1455 #ifdef WSDISPLAY_SCROLLSUPPORT
1456 case KS_Cmd_ScrollFastUp:
1457 case KS_Cmd_ScrollFastDown:
1458 if (*type == WSCONS_EVENT_KEY_DOWN) {
1459 GETMODSTATE(sc->id->t_modifiers, state);
1460 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1461 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1462 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1463 && sc->sc_scroll_data.modifier == state)) {
1464 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1465 wsdisplay_scroll(sc->sc_base.me_dispdv,
1466 (ksym == KS_Cmd_ScrollFastUp) ?
1467 WSDISPLAY_SCROLL_BACKWARD :
1468 WSDISPLAY_SCROLL_FORWARD);
1469 return (1);
1470 } else {
1471 return (0);
1472 }
1473 }
1474
1475 case KS_Cmd_ScrollSlowUp:
1476 case KS_Cmd_ScrollSlowDown:
1477 if (*type == WSCONS_EVENT_KEY_DOWN) {
1478 GETMODSTATE(sc->id->t_modifiers, state);
1479 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1480 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1481 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1482 && sc->sc_scroll_data.modifier == state)) {
1483 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1484 wsdisplay_scroll(sc->sc_base.me_dispdv,
1485 (ksym == KS_Cmd_ScrollSlowUp) ?
1486 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1487 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1488 return (1);
1489 } else {
1490 return (0);
1491 }
1492 }
1493 #endif
1494
1495 case KS_Cmd:
1496 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1497 ksym = ksym2;
1498 break;
1499
1500 case KS_Cmd1:
1501 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1502 break;
1503
1504 case KS_Cmd2:
1505 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1506 break;
1507 }
1508
1509 if (*type != WSCONS_EVENT_KEY_DOWN ||
1510 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1511 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1512 return (0);
1513
1514 #if defined(DDB) || defined(KGDB)
1515 if (ksym == KS_Cmd_Debugger) {
1516 if (sc->sc_isconsole) {
1517 #ifdef DDB
1518 console_debugger();
1519 #endif
1520 #ifdef KGDB
1521 kgdb_connect(1);
1522 #endif
1523 }
1524 /* discard this key (ddb discarded command modifiers) */
1525 *type = WSCONS_EVENT_KEY_UP;
1526 return (1);
1527 }
1528 #endif
1529
1530 #if NWSDISPLAY > 0
1531 if (sc->sc_base.me_dispdv == NULL)
1532 return (0);
1533
1534 switch (ksym) {
1535 case KS_Cmd_Screen0:
1536 case KS_Cmd_Screen1:
1537 case KS_Cmd_Screen2:
1538 case KS_Cmd_Screen3:
1539 case KS_Cmd_Screen4:
1540 case KS_Cmd_Screen5:
1541 case KS_Cmd_Screen6:
1542 case KS_Cmd_Screen7:
1543 case KS_Cmd_Screen8:
1544 case KS_Cmd_Screen9:
1545 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1546 return (1);
1547 case KS_Cmd_ResetEmul:
1548 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1549 return (1);
1550 case KS_Cmd_ResetClose:
1551 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1552 return (1);
1553 case KS_Cmd_BacklightOn:
1554 case KS_Cmd_BacklightOff:
1555 case KS_Cmd_BacklightToggle:
1556 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1557 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1558 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1559 return (1);
1560 case KS_Cmd_BrightnessUp:
1561 case KS_Cmd_BrightnessDown:
1562 case KS_Cmd_BrightnessRotate:
1563 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1564 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1565 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1566 return (1);
1567 case KS_Cmd_ContrastUp:
1568 case KS_Cmd_ContrastDown:
1569 case KS_Cmd_ContrastRotate:
1570 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1571 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1572 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1573 return (1);
1574 }
1575 #endif
1576
1577 return (0);
1578 }
1579
1580 static int
1581 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1582 {
1583 struct wskbd_softc *sc = id->t_sc;
1584 keysym_t ksym, res, *group;
1585 struct wscons_keymap kpbuf, *kp;
1586 int iscommand = 0;
1587
1588 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1589 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1590 | MOD_CONTROL_L | MOD_CONTROL_R
1591 | MOD_META_L | MOD_META_R
1592 | MOD_MODESHIFT
1593 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1594 update_leds(id);
1595 return (0);
1596 }
1597
1598 if (sc != NULL) {
1599 if (value < 0 || value >= sc->sc_maplen) {
1600 #ifdef DEBUG
1601 printf("wskbd_translate: keycode %d out of range\n",
1602 value);
1603 #endif
1604 return (0);
1605 }
1606 kp = sc->sc_map + value;
1607 } else {
1608 kp = &kpbuf;
1609 wskbd_get_mapentry(id->t_keymap, value, kp);
1610 }
1611
1612 /* if this key has a command, process it first */
1613 if (sc != NULL && kp->command != KS_voidSymbol)
1614 iscommand = internal_command(sc, &type, kp->command,
1615 kp->group1[0]);
1616
1617 /* Now update modifiers */
1618 switch (kp->group1[0]) {
1619 case KS_Shift_L:
1620 update_modifier(id, type, 0, MOD_SHIFT_L);
1621 break;
1622
1623 case KS_Shift_R:
1624 update_modifier(id, type, 0, MOD_SHIFT_R);
1625 break;
1626
1627 case KS_Shift_Lock:
1628 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1629 break;
1630
1631 case KS_Caps_Lock:
1632 update_modifier(id, type, 1, MOD_CAPSLOCK);
1633 break;
1634
1635 case KS_Control_L:
1636 update_modifier(id, type, 0, MOD_CONTROL_L);
1637 break;
1638
1639 case KS_Control_R:
1640 update_modifier(id, type, 0, MOD_CONTROL_R);
1641 break;
1642
1643 case KS_Alt_L:
1644 update_modifier(id, type, 0, MOD_META_L);
1645 break;
1646
1647 case KS_Alt_R:
1648 update_modifier(id, type, 0, MOD_META_R);
1649 break;
1650
1651 case KS_Mode_switch:
1652 update_modifier(id, type, 0, MOD_MODESHIFT);
1653 break;
1654
1655 case KS_Num_Lock:
1656 update_modifier(id, type, 1, MOD_NUMLOCK);
1657 break;
1658
1659 #if NWSDISPLAY > 0
1660 case KS_Hold_Screen:
1661 if (sc != NULL) {
1662 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1663 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1664 }
1665 break;
1666 #endif
1667 }
1668
1669 /* If this is a key release or we are in command mode, we are done */
1670 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1671 update_leds(id);
1672 return (0);
1673 }
1674
1675 /* Get the keysym */
1676 if (id->t_modifiers & MOD_MODESHIFT)
1677 group = & kp->group2[0];
1678 else
1679 group = & kp->group1[0];
1680
1681 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1682 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1683 if (MOD_ONESET(id, MOD_ANYSHIFT))
1684 ksym = group[0];
1685 else
1686 ksym = group[1];
1687 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1688 ksym = group[0];
1689 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1690 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1691 ksym = group[0];
1692 else
1693 ksym = group[1];
1694 if (ksym >= KS_a && ksym <= KS_z)
1695 ksym += KS_A - KS_a;
1696 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1697 ksym != KS_division)
1698 ksym += KS_Agrave - KS_agrave;
1699 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1700 ksym = group[1];
1701 } else {
1702 ksym = group[0];
1703 }
1704
1705 /* Process compose sequence and dead accents */
1706 res = KS_voidSymbol;
1707
1708 switch (KS_GROUP(ksym)) {
1709 case KS_GROUP_Ascii:
1710 case KS_GROUP_Keypad:
1711 case KS_GROUP_Function:
1712 res = ksym;
1713 break;
1714
1715 case KS_GROUP_Mod:
1716 if (ksym == KS_Multi_key) {
1717 update_modifier(id, 1, 0, MOD_COMPOSE);
1718 id->t_composelen = 2;
1719 }
1720 break;
1721
1722 case KS_GROUP_Dead:
1723 if (id->t_composelen == 0) {
1724 update_modifier(id, 1, 0, MOD_COMPOSE);
1725 id->t_composelen = 1;
1726 id->t_composebuf[0] = ksym;
1727 } else
1728 res = ksym;
1729 break;
1730 }
1731
1732 if (res == KS_voidSymbol) {
1733 update_leds(id);
1734 return (0);
1735 }
1736
1737 if (id->t_composelen > 0) {
1738 id->t_composebuf[2 - id->t_composelen] = res;
1739 if (--id->t_composelen == 0) {
1740 res = wskbd_compose_value(id->t_composebuf);
1741 update_modifier(id, 0, 0, MOD_COMPOSE);
1742 } else {
1743 return (0);
1744 }
1745 }
1746
1747 update_leds(id);
1748
1749 /* We are done, return the symbol */
1750 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1751 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1752 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1753 res = res & 0x1f;
1754 else if (res == KS_2)
1755 res = 0x00;
1756 else if (res >= KS_3 && res <= KS_7)
1757 res = KS_Escape + (res - KS_3);
1758 else if (res == KS_8)
1759 res = KS_Delete;
1760 }
1761 if (MOD_ONESET(id, MOD_ANYMETA)) {
1762 if (id->t_flags & WSKFL_METAESC) {
1763 id->t_symbols[0] = KS_Escape;
1764 id->t_symbols[1] = res;
1765 return (2);
1766 } else
1767 res |= 0x80;
1768 }
1769 }
1770
1771 id->t_symbols[0] = res;
1772 return (1);
1773 }
1774