wskbd.c revision 1.84 1 /* $NetBSD: wskbd.c,v 1.84 2005/11/11 07:07:42 simonb 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 1.84 2005/11/11 07:07:42 simonb 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
109 #include <dev/wscons/wsconsio.h>
110 #include <dev/wscons/wskbdvar.h>
111 #include <dev/wscons/wsksymdef.h>
112 #include <dev/wscons/wsksymvar.h>
113 #include <dev/wscons/wsdisplayvar.h>
114 #include <dev/wscons/wseventvar.h>
115 #include <dev/wscons/wscons_callbacks.h>
116
117 #ifdef KGDB
118 #include <sys/kgdb.h>
119 #endif
120
121 #ifdef WSKBD_DEBUG
122 #define DPRINTF(x) if (wskbddebug) printf x
123 int wskbddebug = 0;
124 #else
125 #define DPRINTF(x)
126 #endif
127
128 #include <dev/wscons/wsmuxvar.h>
129
130 struct wskbd_internal {
131 const struct wskbd_mapdata *t_keymap;
132
133 const struct wskbd_consops *t_consops;
134 void *t_consaccesscookie;
135
136 int t_modifiers;
137 int t_composelen; /* remaining entries in t_composebuf */
138 keysym_t t_composebuf[2];
139
140 int t_flags;
141 #define WSKFL_METAESC 1
142
143 #define MAXKEYSYMSPERKEY 2 /* ESC <key> at max */
144 keysym_t t_symbols[MAXKEYSYMSPERKEY];
145
146 struct wskbd_softc *t_sc; /* back pointer */
147 };
148
149 struct wskbd_softc {
150 struct wsevsrc sc_base;
151
152 struct wskbd_internal *id;
153
154 const struct wskbd_accessops *sc_accessops;
155 void *sc_accesscookie;
156
157 int sc_ledstate;
158
159 int sc_isconsole;
160
161 struct wskbd_bell_data sc_bell_data;
162 struct wskbd_keyrepeat_data sc_keyrepeat_data;
163 #ifdef WSDISPLAY_SCROLLSUPPORT
164 struct wskbd_scroll_data sc_scroll_data;
165 #endif
166
167 int sc_repeating; /* we've called timeout() */
168 struct callout sc_repeat_ch;
169 u_int sc_repeat_type;
170 int sc_repeat_value;
171
172 int sc_translating; /* xlate to chars for emulation */
173
174 int sc_maplen; /* number of entries in sc_map */
175 struct wscons_keymap *sc_map; /* current translation map */
176 kbd_t sc_layout; /* current layout */
177
178 int sc_refcnt;
179 u_char sc_dying; /* device is being detached */
180 };
181
182 #define MOD_SHIFT_L (1 << 0)
183 #define MOD_SHIFT_R (1 << 1)
184 #define MOD_SHIFTLOCK (1 << 2)
185 #define MOD_CAPSLOCK (1 << 3)
186 #define MOD_CONTROL_L (1 << 4)
187 #define MOD_CONTROL_R (1 << 5)
188 #define MOD_META_L (1 << 6)
189 #define MOD_META_R (1 << 7)
190 #define MOD_MODESHIFT (1 << 8)
191 #define MOD_NUMLOCK (1 << 9)
192 #define MOD_COMPOSE (1 << 10)
193 #define MOD_HOLDSCREEN (1 << 11)
194 #define MOD_COMMAND (1 << 12)
195 #define MOD_COMMAND1 (1 << 13)
196 #define MOD_COMMAND2 (1 << 14)
197
198 #define MOD_ANYSHIFT (MOD_SHIFT_L | MOD_SHIFT_R | MOD_SHIFTLOCK)
199 #define MOD_ANYCONTROL (MOD_CONTROL_L | MOD_CONTROL_R)
200 #define MOD_ANYMETA (MOD_META_L | MOD_META_R)
201
202 #define MOD_ONESET(id, mask) (((id)->t_modifiers & (mask)) != 0)
203 #define MOD_ALLSET(id, mask) (((id)->t_modifiers & (mask)) == (mask))
204
205 #define GETMODSTATE(src, dst) \
206 do { \
207 dst |= (src & MOD_SHIFT_L) ? MOD_SHIFT_L : 0; \
208 dst |= (src & MOD_SHIFT_R) ? MOD_SHIFT_R : 0; \
209 dst |= (src & MOD_CONTROL_L) ? MOD_CONTROL_L : 0; \
210 dst |= (src & MOD_CONTROL_R) ? MOD_CONTROL_R : 0; \
211 dst |= (src & MOD_META_L) ? MOD_META_L : 0; \
212 dst |= (src & MOD_META_R) ? MOD_META_R : 0; \
213 } while (0)
214
215 static int wskbd_match(struct device *, struct cfdata *, void *);
216 static void wskbd_attach(struct device *, struct device *, void *);
217 static int wskbd_detach(struct device *, int);
218 static int wskbd_activate(struct device *, enum devact);
219
220 static int wskbd_displayioctl(struct device *, u_long, caddr_t, int,
221 struct proc *);
222 #if NWSDISPLAY > 0
223 static int wskbd_set_display(struct device *, struct wsevsrc *);
224 #else
225 #define wskbd_set_display NULL
226 #endif
227
228 static inline void update_leds(struct wskbd_internal *);
229 static inline void update_modifier(struct wskbd_internal *, u_int, int, int);
230 static int internal_command(struct wskbd_softc *, u_int *, keysym_t, keysym_t);
231 static int wskbd_translate(struct wskbd_internal *, u_int, int);
232 static int wskbd_enable(struct wskbd_softc *, int);
233 #if NWSDISPLAY > 0
234 static void change_displayparam(struct wskbd_softc *, int, int, int);
235 static void wskbd_holdscreen(struct wskbd_softc *, int);
236 #endif
237
238 static int wskbd_do_ioctl_sc(struct wskbd_softc *, u_long, caddr_t, int,
239 struct proc *);
240 static void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value);
241
242 #if NWSMUX > 0
243 static int wskbd_mux_open(struct wsevsrc *, struct wseventvar *);
244 static int wskbd_mux_close(struct wsevsrc *);
245 #else
246 #define wskbd_mux_open NULL
247 #define wskbd_mux_close NULL
248 #endif
249
250 static int wskbd_do_open(struct wskbd_softc *, struct wseventvar *);
251 static int wskbd_do_ioctl(struct device *, u_long, caddr_t, int, struct proc *);
252
253 CFATTACH_DECL(wskbd, sizeof (struct wskbd_softc),
254 wskbd_match, wskbd_attach, wskbd_detach, wskbd_activate);
255
256 extern struct cfdriver wskbd_cd;
257
258 dev_type_open(wskbdopen);
259 dev_type_close(wskbdclose);
260 dev_type_read(wskbdread);
261 dev_type_ioctl(wskbdioctl);
262 dev_type_poll(wskbdpoll);
263 dev_type_kqfilter(wskbdkqfilter);
264
265 const struct cdevsw wskbd_cdevsw = {
266 wskbdopen, wskbdclose, wskbdread, nowrite, wskbdioctl,
267 nostop, notty, wskbdpoll, nommap, wskbdkqfilter,
268 };
269
270 #ifndef WSKBD_DEFAULT_BELL_PITCH
271 #define WSKBD_DEFAULT_BELL_PITCH 1500 /* 1500Hz */
272 #endif
273 #ifndef WSKBD_DEFAULT_BELL_PERIOD
274 #define WSKBD_DEFAULT_BELL_PERIOD 100 /* 100ms */
275 #endif
276 #ifndef WSKBD_DEFAULT_BELL_VOLUME
277 #define WSKBD_DEFAULT_BELL_VOLUME 50 /* 50% volume */
278 #endif
279
280 struct wskbd_bell_data wskbd_default_bell_data = {
281 WSKBD_BELL_DOALL,
282 WSKBD_DEFAULT_BELL_PITCH,
283 WSKBD_DEFAULT_BELL_PERIOD,
284 WSKBD_DEFAULT_BELL_VOLUME,
285 };
286
287 #ifdef WSDISPLAY_SCROLLSUPPORT
288 struct wskbd_scroll_data wskbd_default_scroll_data = {
289 WSKBD_SCROLL_DOALL,
290 WSKBD_SCROLL_MODE_NORMAL,
291 #ifdef WSDISPLAY_SCROLLCOMBO
292 WSDISPLAY_SCROLLCOMBO,
293 #else
294 MOD_SHIFT_L,
295 #endif
296 };
297 #endif
298
299 #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1
300 #define WSKBD_DEFAULT_KEYREPEAT_DEL1 400 /* 400ms to start repeating */
301 #endif
302 #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN
303 #define WSKBD_DEFAULT_KEYREPEAT_DELN 100 /* 100ms to between repeats */
304 #endif
305
306 struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = {
307 WSKBD_KEYREPEAT_DOALL,
308 WSKBD_DEFAULT_KEYREPEAT_DEL1,
309 WSKBD_DEFAULT_KEYREPEAT_DELN,
310 };
311
312 #if NWSDISPLAY > 0 || NWSMUX > 0
313 struct wssrcops wskbd_srcops = {
314 WSMUX_KBD,
315 wskbd_mux_open, wskbd_mux_close, wskbd_do_ioctl,
316 wskbd_displayioctl, wskbd_set_display
317 };
318 #endif
319
320 #if NWSDISPLAY > 0
321 static void wskbd_repeat(void *v);
322 #endif
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
388 sc->sc_isconsole = ap->console;
389
390 #if NWSMUX > 0 || NWSDISPLAY > 0
391 sc->sc_base.me_ops = &wskbd_srcops;
392 #endif
393 #if NWSMUX > 0
394 mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux;
395 if (ap->console) {
396 /* Ignore mux for console; it always goes to the console mux. */
397 /* printf(" (mux %d ignored for console)", mux); */
398 mux = -1;
399 }
400 if (mux >= 0)
401 printf(" mux %d", mux);
402 #else
403 if (sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux >= 0)
404 printf(" (mux ignored)");
405 #endif
406
407 if (ap->console) {
408 sc->id = &wskbd_console_data;
409 } else {
410 sc->id = malloc(sizeof(struct wskbd_internal),
411 M_DEVBUF, M_WAITOK|M_ZERO);
412 sc->id->t_keymap = ap->keymap;
413 wskbd_update_layout(sc->id, ap->keymap->layout);
414 }
415
416 callout_init(&sc->sc_repeat_ch);
417
418 sc->id->t_sc = sc;
419
420 sc->sc_accessops = ap->accessops;
421 sc->sc_accesscookie = ap->accesscookie;
422 sc->sc_repeating = 0;
423 sc->sc_translating = 1;
424 sc->sc_ledstate = -1; /* force update */
425
426 if (wskbd_load_keymap(sc->id->t_keymap,
427 &sc->sc_map, &sc->sc_maplen) != 0)
428 panic("cannot load keymap");
429
430 sc->sc_layout = sc->id->t_keymap->layout;
431
432 /* set default bell and key repeat data */
433 sc->sc_bell_data = wskbd_default_bell_data;
434 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
435
436 #ifdef WSDISPLAY_SCROLLSUPPORT
437 sc->sc_scroll_data = wskbd_default_scroll_data;
438 #endif
439
440 if (ap->console) {
441 KASSERT(wskbd_console_initted);
442 KASSERT(wskbd_console_device == NULL);
443
444 wskbd_console_device = sc;
445
446 printf(": console keyboard");
447
448 #if NWSDISPLAY > 0
449 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
450 if (sc->sc_base.me_dispdv != NULL)
451 printf(", using %s", sc->sc_base.me_dispdv->dv_xname);
452 #endif
453 }
454 printf("\n");
455
456 #if NWSMUX > 0
457 if (mux >= 0) {
458 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
459 if (error)
460 printf("%s: attach error=%d\n",
461 sc->sc_base.me_dv.dv_xname, error);
462 }
463 #endif
464 }
465
466 void
467 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
468 const struct wskbd_mapdata *mapdata)
469 {
470 KASSERT(!wskbd_console_initted);
471
472 wskbd_console_data.t_keymap = mapdata;
473 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
474
475 wskbd_console_data.t_consops = consops;
476 wskbd_console_data.t_consaccesscookie = conscookie;
477
478 #if NWSDISPLAY > 0
479 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
480 #endif
481
482 wskbd_console_initted = 1;
483 }
484
485 void
486 wskbd_cndetach(void)
487 {
488 KASSERT(wskbd_console_initted);
489
490 wskbd_console_data.t_keymap = 0;
491
492 wskbd_console_data.t_consops = 0;
493 wskbd_console_data.t_consaccesscookie = 0;
494
495 #if NWSDISPLAY > 0
496 wsdisplay_unset_cons_kbd();
497 #endif
498
499 wskbd_console_initted = 0;
500 }
501
502 static void
503 wskbd_repeat(void *v)
504 {
505 struct wskbd_softc *sc = (struct wskbd_softc *)v;
506 int s = spltty();
507
508 if (!sc->sc_repeating) {
509 /*
510 * race condition: a "key up" event came in when wskbd_repeat()
511 * was already called but not yet spltty()'d
512 */
513 splx(s);
514 return;
515 }
516 if (sc->sc_translating) {
517 /* deliver keys */
518 #if NWSDISPLAY > 0
519 if (sc->sc_base.me_dispdv != NULL) {
520 int i;
521 for (i = 0; i < sc->sc_repeating; i++)
522 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
523 sc->id->t_symbols[i]);
524 }
525 #endif
526 } else {
527 #if defined(WSKBD_EVENT_AUTOREPEAT)
528 /* queue event */
529 wskbd_deliver_event(sc, sc->sc_repeat_type,
530 sc->sc_repeat_value);
531 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
532 }
533 callout_reset(&sc->sc_repeat_ch,
534 (hz * sc->sc_keyrepeat_data.delN) / 1000, wskbd_repeat, sc);
535 splx(s);
536 }
537
538 int
539 wskbd_activate(struct device *self, enum devact act)
540 {
541 struct wskbd_softc *sc = (struct wskbd_softc *)self;
542
543 if (act == DVACT_DEACTIVATE)
544 sc->sc_dying = 1;
545 return (0);
546 }
547
548 /*
549 * Detach a keyboard. To keep track of users of the softc we keep
550 * a reference count that's incremented while inside, e.g., read.
551 * If the keyboard is active and the reference count is > 0 (0 is the
552 * normal state) we post an event and then wait for the process
553 * that had the reference to wake us up again. Then we blow away the
554 * vnode and return (which will deallocate the softc).
555 */
556 int
557 wskbd_detach(struct device *self, int flags)
558 {
559 struct wskbd_softc *sc = (struct wskbd_softc *)self;
560 struct wseventvar *evar;
561 int maj, mn;
562 int s;
563
564 #if NWSMUX > 0
565 /* Tell parent mux we're leaving. */
566 if (sc->sc_base.me_parent != NULL)
567 wsmux_detach_sc(&sc->sc_base);
568 #endif
569
570 if (sc->sc_isconsole) {
571 KASSERT(wskbd_console_device == sc);
572 wskbd_console_device = NULL;
573 }
574
575 evar = sc->sc_base.me_evp;
576 if (evar != NULL && evar->io != NULL) {
577 s = spltty();
578 if (--sc->sc_refcnt >= 0) {
579 /* Wake everyone by generating a dummy event. */
580 if (++evar->put >= WSEVENT_QSIZE)
581 evar->put = 0;
582 WSEVENT_WAKEUP(evar);
583 /* Wait for processes to go away. */
584 if (tsleep(sc, PZERO, "wskdet", hz * 60))
585 printf("wskbd_detach: %s didn't detach\n",
586 sc->sc_base.me_dv.dv_xname);
587 }
588 splx(s);
589 }
590
591 /* locate the major number */
592 maj = cdevsw_lookup_major(&wskbd_cdevsw);
593
594 /* Nuke the vnodes for any open instances. */
595 mn = self->dv_unit;
596 vdevgone(maj, mn, mn, VCHR);
597
598 return (0);
599 }
600
601 void
602 wskbd_input(struct device *dev, u_int type, int value)
603 {
604 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
605 #if NWSDISPLAY > 0
606 int num, i;
607 #endif
608
609 if (sc->sc_repeating) {
610 sc->sc_repeating = 0;
611 callout_stop(&sc->sc_repeat_ch);
612 }
613
614 #if NWSDISPLAY > 0
615 /*
616 * If /dev/wskbdN is not connected in event mode translate and
617 * send upstream.
618 */
619 if (sc->sc_translating) {
620 num = wskbd_translate(sc->id, type, value);
621 if (num > 0) {
622 if (sc->sc_base.me_dispdv != NULL) {
623 #ifdef WSDISPLAY_SCROLLSUPPORT
624 if (sc->id->t_symbols [0] != KS_Print_Screen) {
625 wsdisplay_scroll(sc->sc_base.
626 me_dispdv, WSDISPLAY_SCROLL_RESET);
627 }
628 #endif
629 for (i = 0; i < num; i++)
630 wsdisplay_kbdinput(
631 sc->sc_base.me_dispdv,
632 sc->id->t_symbols[i]);
633 }
634
635 if (sc->sc_keyrepeat_data.del1 != 0) {
636 sc->sc_repeating = num;
637 callout_reset(&sc->sc_repeat_ch,
638 (hz * sc->sc_keyrepeat_data.del1) / 1000,
639 wskbd_repeat, sc);
640 }
641 }
642 return;
643 }
644 #endif
645
646 wskbd_deliver_event(sc, type, value);
647
648 #if defined(WSKBD_EVENT_AUTOREPEAT)
649 /* Repeat key presses if set. */
650 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
651 sc->sc_repeat_type = type;
652 sc->sc_repeat_value = value;
653 sc->sc_repeating = 1;
654 callout_reset(&sc->sc_repeat_ch,
655 (hz * sc->sc_keyrepeat_data.del1) / 1000,
656 wskbd_repeat, sc);
657 }
658 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
659 }
660
661 /*
662 * Keyboard is generating events. Turn this keystroke into an
663 * event and put it in the queue. If the queue is full, the
664 * keystroke is lost (sorry!).
665 */
666 static void
667 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
668 {
669 struct wseventvar *evar;
670 struct wscons_event *ev;
671 int put;
672
673 evar = sc->sc_base.me_evp;
674
675 if (evar == NULL) {
676 DPRINTF(("wskbd_input: not open\n"));
677 return;
678 }
679
680 #ifdef DIAGNOSTIC
681 if (evar->q == NULL) {
682 printf("wskbd_input: evar->q=NULL\n");
683 return;
684 }
685 #endif
686
687 put = evar->put;
688 ev = &evar->q[put];
689 put = (put + 1) % WSEVENT_QSIZE;
690 if (put == evar->get) {
691 log(LOG_WARNING, "%s: event queue overflow\n",
692 sc->sc_base.me_dv.dv_xname);
693 return;
694 }
695 ev->type = type;
696 ev->value = value;
697 nanotime(&ev->time);
698 evar->put = put;
699 WSEVENT_WAKEUP(evar);
700 }
701
702 #ifdef WSDISPLAY_COMPAT_RAWKBD
703 void
704 wskbd_rawinput(struct device *dev, u_char *tbuf, int len)
705 {
706 #if NWSDISPLAY > 0
707 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
708 int i;
709
710 if (sc->sc_base.me_dispdv != NULL)
711 for (i = 0; i < len; i++)
712 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
713 /* this is KS_GROUP_Ascii */
714 #endif
715 }
716 #endif /* WSDISPLAY_COMPAT_RAWKBD */
717
718 #if NWSDISPLAY > 0
719 static void
720 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
721 {
722 int new_state;
723
724 if (sc->sc_base.me_dispdv != NULL) {
725 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
726 new_state = sc->sc_ledstate;
727 if (hold)
728 new_state |= WSKBD_LED_SCROLL;
729 else
730 new_state &= ~WSKBD_LED_SCROLL;
731 if (new_state != sc->sc_ledstate) {
732 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
733 new_state);
734 sc->sc_ledstate = new_state;
735 }
736 }
737 }
738 #endif
739
740 static int
741 wskbd_enable(struct wskbd_softc *sc, int on)
742 {
743 int error;
744
745 #if 0
746 /* I don't understand the purpose of this code. And it seems to
747 * break things, so it's out. -- Lennart
748 */
749 if (!on && (!sc->sc_translating
750 #if NWSDISPLAY > 0
751 || sc->sc_base.me_dispdv
752 #endif
753 ))
754 return (EBUSY);
755 #endif
756 #if NWSDISPLAY > 0
757 if (sc->sc_base.me_dispdv != NULL)
758 return (0);
759 #endif
760
761 /* Always cancel auto repeat when fiddling with the kbd. */
762 if (sc->sc_repeating) {
763 sc->sc_repeating = 0;
764 callout_stop(&sc->sc_repeat_ch);
765 }
766
767 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
768 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
769 return (error);
770 }
771
772 #if NWSMUX > 0
773 int
774 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
775 {
776 struct wskbd_softc *sc = (struct wskbd_softc *)me;
777
778 if (sc->sc_dying)
779 return (EIO);
780
781 if (sc->sc_base.me_evp != NULL)
782 return (EBUSY);
783
784 return (wskbd_do_open(sc, evp));
785 }
786 #endif
787
788 int
789 wskbdopen(dev_t dev, int flags, int mode, struct proc *p)
790 {
791 struct wskbd_softc *sc;
792 struct wseventvar *evar;
793 int unit, error;
794
795 unit = minor(dev);
796 if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */
797 (sc = wskbd_cd.cd_devs[unit]) == NULL)
798 return (ENXIO);
799
800 #if NWSMUX > 0
801 DPRINTF(("wskbdopen: %s mux=%p p=%p\n", sc->sc_base.me_dv.dv_xname,
802 sc->sc_base.me_parent, p));
803 #endif
804
805 if (sc->sc_dying)
806 return (EIO);
807
808 if ((flags & (FREAD | FWRITE)) == FWRITE)
809 /* Not opening for read, only ioctl is available. */
810 return (0);
811
812 #if NWSMUX > 0
813 if (sc->sc_base.me_parent != NULL) {
814 /* Grab the keyboard out of the greedy hands of the mux. */
815 DPRINTF(("wskbdopen: detach\n"));
816 wsmux_detach_sc(&sc->sc_base);
817 }
818 #endif
819
820 if (sc->sc_base.me_evp != NULL)
821 return (EBUSY);
822
823 evar = &sc->sc_base.me_evar;
824 wsevent_init(evar);
825 evar->io = p;
826
827 error = wskbd_do_open(sc, evar);
828 if (error) {
829 DPRINTF(("wskbdopen: %s open failed\n",
830 sc->sc_base.me_dv.dv_xname));
831 sc->sc_base.me_evp = NULL;
832 wsevent_fini(evar);
833 }
834 return (error);
835 }
836
837 int
838 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
839 {
840 sc->sc_base.me_evp = evp;
841 sc->sc_translating = 0;
842
843 return (wskbd_enable(sc, 1));
844 }
845
846 int
847 wskbdclose(dev_t dev, int flags, int mode, struct proc *p)
848 {
849 struct wskbd_softc *sc =
850 (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)];
851 struct wseventvar *evar = sc->sc_base.me_evp;
852
853 if (evar == NULL)
854 /* not open for read */
855 return (0);
856
857 sc->sc_base.me_evp = NULL;
858 sc->sc_translating = 1;
859 (void)wskbd_enable(sc, 0);
860 wsevent_fini(evar);
861
862 return (0);
863 }
864
865 #if NWSMUX > 0
866 int
867 wskbd_mux_close(struct wsevsrc *me)
868 {
869 struct wskbd_softc *sc = (struct wskbd_softc *)me;
870
871 sc->sc_base.me_evp = NULL;
872 sc->sc_translating = 1;
873 (void)wskbd_enable(sc, 0);
874
875 return (0);
876 }
877 #endif
878
879 int
880 wskbdread(dev_t dev, struct uio *uio, int flags)
881 {
882 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
883 int error;
884
885 if (sc->sc_dying)
886 return (EIO);
887
888 #ifdef DIAGNOSTIC
889 if (sc->sc_base.me_evp == NULL) {
890 printf("wskbdread: evp == NULL\n");
891 return (EINVAL);
892 }
893 #endif
894
895 sc->sc_refcnt++;
896 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
897 if (--sc->sc_refcnt < 0) {
898 wakeup(sc);
899 error = EIO;
900 }
901 return (error);
902 }
903
904 int
905 wskbdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
906 {
907 return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,p));
908 }
909
910 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
911 int
912 wskbd_do_ioctl(struct device *dv, u_long cmd, caddr_t data, int flag,
913 struct proc *p)
914 {
915 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
916 int error;
917
918 sc->sc_refcnt++;
919 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, p);
920 if (--sc->sc_refcnt < 0)
921 wakeup(sc);
922 return (error);
923 }
924
925 int
926 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data, int flag,
927 struct proc *p)
928 {
929
930 /*
931 * Try the generic ioctls that the wskbd interface supports.
932 */
933 switch (cmd) {
934 case FIONBIO: /* we will remove this someday (soon???) */
935 return (0);
936
937 case FIOASYNC:
938 if (sc->sc_base.me_evp == NULL)
939 return (EINVAL);
940 sc->sc_base.me_evp->async = *(int *)data != 0;
941 return (0);
942
943 case FIOSETOWN:
944 if (sc->sc_base.me_evp == NULL)
945 return (EINVAL);
946 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
947 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
948 return (EPERM);
949 return (0);
950
951 case TIOCSPGRP:
952 if (sc->sc_base.me_evp == NULL)
953 return (EINVAL);
954 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
955 return (EPERM);
956 return (0);
957 }
958
959 /*
960 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
961 * if it didn't recognize the request.
962 */
963 return (wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, p));
964 }
965
966 /*
967 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
968 * Some of these have no real effect in raw mode, however.
969 */
970 static int
971 wskbd_displayioctl(struct device *dev, u_long cmd, caddr_t data, int flag,
972 struct proc *p)
973 {
974 #ifdef WSDISPLAY_SCROLLSUPPORT
975 struct wskbd_scroll_data *usdp, *ksdp;
976 #endif
977 struct wskbd_softc *sc = (struct wskbd_softc *)dev;
978 struct wskbd_bell_data *ubdp, *kbdp;
979 struct wskbd_keyrepeat_data *ukdp, *kkdp;
980 struct wskbd_map_data *umdp;
981 struct wskbd_mapdata md;
982 kbd_t enc;
983 void *tbuf;
984 int len, error;
985
986 switch (cmd) {
987 #define SETBELL(dstp, srcp, dfltp) \
988 do { \
989 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
990 (srcp)->pitch : (dfltp)->pitch; \
991 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
992 (srcp)->period : (dfltp)->period; \
993 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
994 (srcp)->volume : (dfltp)->volume; \
995 (dstp)->which = WSKBD_BELL_DOALL; \
996 } while (0)
997
998 case WSKBDIO_BELL:
999 if ((flag & FWRITE) == 0)
1000 return (EACCES);
1001 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1002 WSKBDIO_COMPLEXBELL, (caddr_t)&sc->sc_bell_data, flag, p));
1003
1004 case WSKBDIO_COMPLEXBELL:
1005 if ((flag & FWRITE) == 0)
1006 return (EACCES);
1007 ubdp = (struct wskbd_bell_data *)data;
1008 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1009 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1010 WSKBDIO_COMPLEXBELL, (caddr_t)ubdp, flag, p));
1011
1012 case WSKBDIO_SETBELL:
1013 if ((flag & FWRITE) == 0)
1014 return (EACCES);
1015 kbdp = &sc->sc_bell_data;
1016 setbell:
1017 ubdp = (struct wskbd_bell_data *)data;
1018 SETBELL(kbdp, ubdp, kbdp);
1019 return (0);
1020
1021 case WSKBDIO_GETBELL:
1022 kbdp = &sc->sc_bell_data;
1023 getbell:
1024 ubdp = (struct wskbd_bell_data *)data;
1025 SETBELL(ubdp, kbdp, kbdp);
1026 return (0);
1027
1028 case WSKBDIO_SETDEFAULTBELL:
1029 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
1030 return (error);
1031 kbdp = &wskbd_default_bell_data;
1032 goto setbell;
1033
1034
1035 case WSKBDIO_GETDEFAULTBELL:
1036 kbdp = &wskbd_default_bell_data;
1037 goto getbell;
1038
1039 #undef SETBELL
1040
1041 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1042 do { \
1043 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1044 (srcp)->del1 : (dfltp)->del1; \
1045 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1046 (srcp)->delN : (dfltp)->delN; \
1047 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1048 } while (0)
1049
1050 case WSKBDIO_SETKEYREPEAT:
1051 if ((flag & FWRITE) == 0)
1052 return (EACCES);
1053 kkdp = &sc->sc_keyrepeat_data;
1054 setkeyrepeat:
1055 ukdp = (struct wskbd_keyrepeat_data *)data;
1056 SETKEYREPEAT(kkdp, ukdp, kkdp);
1057 return (0);
1058
1059 case WSKBDIO_GETKEYREPEAT:
1060 kkdp = &sc->sc_keyrepeat_data;
1061 getkeyrepeat:
1062 ukdp = (struct wskbd_keyrepeat_data *)data;
1063 SETKEYREPEAT(ukdp, kkdp, kkdp);
1064 return (0);
1065
1066 case WSKBDIO_SETDEFAULTKEYREPEAT:
1067 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
1068 return (error);
1069 kkdp = &wskbd_default_keyrepeat_data;
1070 goto setkeyrepeat;
1071
1072
1073 case WSKBDIO_GETDEFAULTKEYREPEAT:
1074 kkdp = &wskbd_default_keyrepeat_data;
1075 goto getkeyrepeat;
1076
1077 #ifdef WSDISPLAY_SCROLLSUPPORT
1078 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1079 do { \
1080 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1081 (srcp)->mode : (dfltp)->mode; \
1082 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1083 (srcp)->modifier : (dfltp)->modifier; \
1084 (dstp)->which = WSKBD_SCROLL_DOALL; \
1085 } while (0)
1086
1087 case WSKBDIO_SETSCROLL:
1088 usdp = (struct wskbd_scroll_data *)data;
1089 ksdp = &sc->sc_scroll_data;
1090 SETSCROLLMOD(ksdp, usdp, ksdp);
1091 return (0);
1092
1093 case WSKBDIO_GETSCROLL:
1094 usdp = (struct wskbd_scroll_data *)data;
1095 ksdp = &sc->sc_scroll_data;
1096 SETSCROLLMOD(usdp, ksdp, ksdp);
1097 return (0);
1098 #else
1099 case WSKBDIO_GETSCROLL:
1100 case WSKBDIO_SETSCROLL:
1101 return ENODEV;
1102 #endif
1103
1104 #undef SETKEYREPEAT
1105
1106 case WSKBDIO_SETMAP:
1107 if ((flag & FWRITE) == 0)
1108 return (EACCES);
1109 umdp = (struct wskbd_map_data *)data;
1110 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1111 return (EINVAL);
1112
1113 len = umdp->maplen*sizeof(struct wscons_keymap);
1114 tbuf = malloc(len, M_TEMP, M_WAITOK);
1115 error = copyin(umdp->map, tbuf, len);
1116 if (error == 0) {
1117 wskbd_init_keymap(umdp->maplen,
1118 &sc->sc_map, &sc->sc_maplen);
1119 memcpy(sc->sc_map, tbuf, len);
1120 /* drop the variant bits handled by the map */
1121 sc->sc_layout = KB_USER |
1122 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1123 wskbd_update_layout(sc->id, sc->sc_layout);
1124 }
1125 free(tbuf, M_TEMP);
1126 return(error);
1127
1128 case WSKBDIO_GETMAP:
1129 umdp = (struct wskbd_map_data *)data;
1130 if (umdp->maplen > sc->sc_maplen)
1131 umdp->maplen = sc->sc_maplen;
1132 error = copyout(sc->sc_map, umdp->map,
1133 umdp->maplen*sizeof(struct wscons_keymap));
1134 return(error);
1135
1136 case WSKBDIO_GETENCODING:
1137 *((kbd_t *) data) = sc->sc_layout;
1138 return(0);
1139
1140 case WSKBDIO_SETENCODING:
1141 if ((flag & FWRITE) == 0)
1142 return (EACCES);
1143 enc = *((kbd_t *)data);
1144 if (KB_ENCODING(enc) == KB_USER) {
1145 /* user map must already be loaded */
1146 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1147 return (EINVAL);
1148 /* map variants make no sense */
1149 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1150 return (EINVAL);
1151 } else {
1152 md = *(sc->id->t_keymap); /* structure assignment */
1153 md.layout = enc;
1154 error = wskbd_load_keymap(&md, &sc->sc_map,
1155 &sc->sc_maplen);
1156 if (error)
1157 return (error);
1158 }
1159 sc->sc_layout = enc;
1160 wskbd_update_layout(sc->id, enc);
1161 return (0);
1162 }
1163
1164 /*
1165 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1166 * if it didn't recognize the request, and in turn we return
1167 * -1 if we didn't recognize the request.
1168 */
1169 /* printf("kbdaccess\n"); */
1170 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1171 flag, p);
1172 #ifdef WSDISPLAY_COMPAT_RAWKBD
1173 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1174 int s = spltty();
1175 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1176 | MOD_CONTROL_L | MOD_CONTROL_R
1177 | MOD_META_L | MOD_META_R
1178 | MOD_COMMAND
1179 | MOD_COMMAND1 | MOD_COMMAND2);
1180 if (sc->sc_repeating) {
1181 sc->sc_repeating = 0;
1182 callout_stop(&sc->sc_repeat_ch);
1183 }
1184 splx(s);
1185 }
1186 #endif
1187 return (error);
1188 }
1189
1190 int
1191 wskbdpoll(dev_t dev, int events, struct proc *p)
1192 {
1193 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1194
1195 if (sc->sc_base.me_evp == NULL)
1196 return (POLLERR);
1197 return (wsevent_poll(sc->sc_base.me_evp, events, p));
1198 }
1199
1200 int
1201 wskbdkqfilter(dev_t dev, struct knote *kn)
1202 {
1203 struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
1204
1205 if (sc->sc_base.me_evp == NULL)
1206 return (1);
1207 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1208 }
1209
1210 #if NWSDISPLAY > 0
1211
1212 int
1213 wskbd_pickfree(void)
1214 {
1215 int i;
1216 struct wskbd_softc *sc;
1217
1218 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1219 if ((sc = wskbd_cd.cd_devs[i]) == NULL)
1220 continue;
1221 if (sc->sc_base.me_dispdv == NULL)
1222 return (i);
1223 }
1224 return (-1);
1225 }
1226
1227 struct wsevsrc *
1228 wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me)
1229 {
1230 struct wskbd_softc *sc = wskbd_console_device;
1231
1232 if (sc == NULL)
1233 return (NULL);
1234 sc->sc_base.me_dispdv = displaydv;
1235 #if NWSMUX > 0
1236 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1237 #endif
1238 return (&sc->sc_base);
1239 }
1240
1241 int
1242 wskbd_set_display(struct device *dv, struct wsevsrc *me)
1243 {
1244 struct wskbd_softc *sc = (struct wskbd_softc *)dv;
1245 struct device *displaydv = me != NULL ? me->me_dispdv : NULL;
1246 struct device *odisplaydv;
1247 int error;
1248
1249 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1250 dv->dv_xname, me, sc->sc_base.me_dispdv, displaydv,
1251 sc->sc_isconsole));
1252
1253 if (sc->sc_isconsole)
1254 return (EBUSY);
1255
1256 if (displaydv != NULL) {
1257 if (sc->sc_base.me_dispdv != NULL)
1258 return (EBUSY);
1259 } else {
1260 if (sc->sc_base.me_dispdv == NULL)
1261 return (ENXIO);
1262 }
1263
1264 odisplaydv = sc->sc_base.me_dispdv;
1265 sc->sc_base.me_dispdv = NULL;
1266 error = wskbd_enable(sc, displaydv != NULL);
1267 sc->sc_base.me_dispdv = displaydv;
1268 if (error) {
1269 sc->sc_base.me_dispdv = odisplaydv;
1270 return (error);
1271 }
1272
1273 if (displaydv)
1274 printf("%s: connecting to %s\n",
1275 sc->sc_base.me_dv.dv_xname, displaydv->dv_xname);
1276 else
1277 printf("%s: disconnecting from %s\n",
1278 sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname);
1279
1280 return (0);
1281 }
1282
1283 #endif /* NWSDISPLAY > 0 */
1284
1285 #if NWSMUX > 0
1286 int
1287 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1288 {
1289 struct wskbd_softc *sc;
1290
1291 if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
1292 (sc = wskbd_cd.cd_devs[unit]) == NULL)
1293 return (ENXIO);
1294
1295 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1296 return (EBUSY);
1297
1298 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1299 }
1300 #endif
1301
1302 /*
1303 * Console interface.
1304 */
1305 int
1306 wskbd_cngetc(dev_t dev)
1307 {
1308 static int num = 0;
1309 static int pos;
1310 u_int type;
1311 int data;
1312 keysym_t ks;
1313
1314 if (!wskbd_console_initted)
1315 return 0;
1316
1317 if (wskbd_console_device != NULL &&
1318 !wskbd_console_device->sc_translating)
1319 return 0;
1320
1321 for(;;) {
1322 if (num-- > 0) {
1323 ks = wskbd_console_data.t_symbols[pos++];
1324 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1325 return (KS_VALUE(ks));
1326 } else {
1327 (*wskbd_console_data.t_consops->getc)
1328 (wskbd_console_data.t_consaccesscookie,
1329 &type, &data);
1330 if (type == WSCONS_EVENT_ASCII) {
1331 /*
1332 * We assume that when the driver falls back
1333 * to deliver pure ASCII it is in a state that
1334 * it can not track press/release events
1335 * reliable - so we clear all previously
1336 * accuulated modifier state.
1337 */
1338 wskbd_console_data.t_modifiers = 0;
1339 return(data);
1340 }
1341 num = wskbd_translate(&wskbd_console_data, type, data);
1342 pos = 0;
1343 }
1344 }
1345 }
1346
1347 void
1348 wskbd_cnpollc(dev_t dev, int poll)
1349 {
1350
1351 if (!wskbd_console_initted)
1352 return;
1353
1354 if (wskbd_console_device != NULL &&
1355 !wskbd_console_device->sc_translating)
1356 return;
1357
1358 (*wskbd_console_data.t_consops->pollc)
1359 (wskbd_console_data.t_consaccesscookie, poll);
1360 }
1361
1362 void
1363 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1364 {
1365
1366 if (!wskbd_console_initted)
1367 return;
1368
1369 if (wskbd_console_data.t_consops->bell != NULL)
1370 (*wskbd_console_data.t_consops->bell)
1371 (wskbd_console_data.t_consaccesscookie, pitch, period,
1372 volume);
1373 }
1374
1375 static inline void
1376 update_leds(struct wskbd_internal *id)
1377 {
1378 int new_state;
1379
1380 new_state = 0;
1381 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1382 new_state |= WSKBD_LED_CAPS;
1383 if (id->t_modifiers & MOD_NUMLOCK)
1384 new_state |= WSKBD_LED_NUM;
1385 if (id->t_modifiers & MOD_COMPOSE)
1386 new_state |= WSKBD_LED_COMPOSE;
1387 if (id->t_modifiers & MOD_HOLDSCREEN)
1388 new_state |= WSKBD_LED_SCROLL;
1389
1390 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1391 (*id->t_sc->sc_accessops->set_leds)
1392 (id->t_sc->sc_accesscookie, new_state);
1393 id->t_sc->sc_ledstate = new_state;
1394 }
1395 }
1396
1397 static inline void
1398 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1399 {
1400 if (toggle) {
1401 if (type == WSCONS_EVENT_KEY_DOWN)
1402 id->t_modifiers ^= mask;
1403 } else {
1404 if (type == WSCONS_EVENT_KEY_DOWN)
1405 id->t_modifiers |= mask;
1406 else
1407 id->t_modifiers &= ~mask;
1408 }
1409 }
1410
1411 #if NWSDISPLAY > 0
1412 static void
1413 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1414 int wraparound)
1415 {
1416 int res;
1417 struct wsdisplay_param dp;
1418
1419 dp.param = param;
1420 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1421
1422 if (res == EINVAL)
1423 return; /* no such parameter */
1424
1425 dp.curval += updown;
1426 if (dp.max < dp.curval)
1427 dp.curval = wraparound ? dp.min : dp.max;
1428 else
1429 if (dp.curval < dp.min)
1430 dp.curval = wraparound ? dp.max : dp.min;
1431 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1432 }
1433 #endif
1434
1435 static int
1436 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1437 keysym_t ksym2)
1438 {
1439 #ifdef WSDISPLAY_SCROLLSUPPORT
1440 u_int state = 0;
1441 #endif
1442 switch (ksym) {
1443 #ifdef WSDISPLAY_SCROLLSUPPORT
1444 case KS_Cmd_ScrollFastUp:
1445 case KS_Cmd_ScrollFastDown:
1446 if (*type == WSCONS_EVENT_KEY_DOWN) {
1447 GETMODSTATE(sc->id->t_modifiers, state);
1448 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1449 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1450 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1451 && sc->sc_scroll_data.modifier == state)) {
1452 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1453 wsdisplay_scroll(sc->sc_base.me_dispdv,
1454 (ksym == KS_Cmd_ScrollFastUp) ?
1455 WSDISPLAY_SCROLL_BACKWARD :
1456 WSDISPLAY_SCROLL_FORWARD);
1457 return (1);
1458 } else {
1459 return (0);
1460 }
1461 }
1462
1463 case KS_Cmd_ScrollSlowUp:
1464 case KS_Cmd_ScrollSlowDown:
1465 if (*type == WSCONS_EVENT_KEY_DOWN) {
1466 GETMODSTATE(sc->id->t_modifiers, state);
1467 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1468 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1469 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1470 && sc->sc_scroll_data.modifier == state)) {
1471 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1472 wsdisplay_scroll(sc->sc_base.me_dispdv,
1473 (ksym == KS_Cmd_ScrollSlowUp) ?
1474 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1475 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1476 return (1);
1477 } else {
1478 return (0);
1479 }
1480 }
1481 #endif
1482
1483 case KS_Cmd:
1484 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1485 ksym = ksym2;
1486 break;
1487
1488 case KS_Cmd1:
1489 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1490 break;
1491
1492 case KS_Cmd2:
1493 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1494 break;
1495 }
1496
1497 if (*type != WSCONS_EVENT_KEY_DOWN ||
1498 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1499 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1500 return (0);
1501
1502 #if defined(DDB) || defined(KGDB)
1503 if (ksym == KS_Cmd_Debugger) {
1504 if (sc->sc_isconsole) {
1505 #ifdef DDB
1506 console_debugger();
1507 #endif
1508 #ifdef KGDB
1509 kgdb_connect(1);
1510 #endif
1511 }
1512 /* discard this key (ddb discarded command modifiers) */
1513 *type = WSCONS_EVENT_KEY_UP;
1514 return (1);
1515 }
1516 #endif
1517
1518 #if NWSDISPLAY > 0
1519 if (sc->sc_base.me_dispdv == NULL)
1520 return (0);
1521
1522 switch (ksym) {
1523 case KS_Cmd_Screen0:
1524 case KS_Cmd_Screen1:
1525 case KS_Cmd_Screen2:
1526 case KS_Cmd_Screen3:
1527 case KS_Cmd_Screen4:
1528 case KS_Cmd_Screen5:
1529 case KS_Cmd_Screen6:
1530 case KS_Cmd_Screen7:
1531 case KS_Cmd_Screen8:
1532 case KS_Cmd_Screen9:
1533 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1534 return (1);
1535 case KS_Cmd_ResetEmul:
1536 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1537 return (1);
1538 case KS_Cmd_ResetClose:
1539 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1540 return (1);
1541 case KS_Cmd_BacklightOn:
1542 case KS_Cmd_BacklightOff:
1543 case KS_Cmd_BacklightToggle:
1544 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1545 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1546 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1547 return (1);
1548 case KS_Cmd_BrightnessUp:
1549 case KS_Cmd_BrightnessDown:
1550 case KS_Cmd_BrightnessRotate:
1551 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1552 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1553 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1554 return (1);
1555 case KS_Cmd_ContrastUp:
1556 case KS_Cmd_ContrastDown:
1557 case KS_Cmd_ContrastRotate:
1558 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1559 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1560 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1561 return (1);
1562 }
1563 #endif
1564
1565 return (0);
1566 }
1567
1568 static int
1569 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1570 {
1571 struct wskbd_softc *sc = id->t_sc;
1572 keysym_t ksym, res, *group;
1573 struct wscons_keymap kpbuf, *kp;
1574 int iscommand = 0;
1575
1576 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1577 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1578 | MOD_CONTROL_L | MOD_CONTROL_R
1579 | MOD_META_L | MOD_META_R
1580 | MOD_MODESHIFT
1581 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1582 update_leds(id);
1583 return (0);
1584 }
1585
1586 if (sc != NULL) {
1587 if (value < 0 || value >= sc->sc_maplen) {
1588 #ifdef DEBUG
1589 printf("wskbd_translate: keycode %d out of range\n",
1590 value);
1591 #endif
1592 return (0);
1593 }
1594 kp = sc->sc_map + value;
1595 } else {
1596 kp = &kpbuf;
1597 wskbd_get_mapentry(id->t_keymap, value, kp);
1598 }
1599
1600 /* if this key has a command, process it first */
1601 if (sc != NULL && kp->command != KS_voidSymbol)
1602 iscommand = internal_command(sc, &type, kp->command,
1603 kp->group1[0]);
1604
1605 /* Now update modifiers */
1606 switch (kp->group1[0]) {
1607 case KS_Shift_L:
1608 update_modifier(id, type, 0, MOD_SHIFT_L);
1609 break;
1610
1611 case KS_Shift_R:
1612 update_modifier(id, type, 0, MOD_SHIFT_R);
1613 break;
1614
1615 case KS_Shift_Lock:
1616 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1617 break;
1618
1619 case KS_Caps_Lock:
1620 update_modifier(id, type, 1, MOD_CAPSLOCK);
1621 break;
1622
1623 case KS_Control_L:
1624 update_modifier(id, type, 0, MOD_CONTROL_L);
1625 break;
1626
1627 case KS_Control_R:
1628 update_modifier(id, type, 0, MOD_CONTROL_R);
1629 break;
1630
1631 case KS_Alt_L:
1632 update_modifier(id, type, 0, MOD_META_L);
1633 break;
1634
1635 case KS_Alt_R:
1636 update_modifier(id, type, 0, MOD_META_R);
1637 break;
1638
1639 case KS_Mode_switch:
1640 update_modifier(id, type, 0, MOD_MODESHIFT);
1641 break;
1642
1643 case KS_Num_Lock:
1644 update_modifier(id, type, 1, MOD_NUMLOCK);
1645 break;
1646
1647 #if NWSDISPLAY > 0
1648 case KS_Hold_Screen:
1649 if (sc != NULL) {
1650 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1651 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1652 }
1653 break;
1654 #endif
1655 }
1656
1657 /* If this is a key release or we are in command mode, we are done */
1658 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1659 update_leds(id);
1660 return (0);
1661 }
1662
1663 /* Get the keysym */
1664 if (id->t_modifiers & MOD_MODESHIFT)
1665 group = & kp->group2[0];
1666 else
1667 group = & kp->group1[0];
1668
1669 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1670 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1671 if (MOD_ONESET(id, MOD_ANYSHIFT))
1672 ksym = group[0];
1673 else
1674 ksym = group[1];
1675 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1676 ksym = group[0];
1677 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1678 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1679 ksym = group[0];
1680 else
1681 ksym = group[1];
1682 if (ksym >= KS_a && ksym <= KS_z)
1683 ksym += KS_A - KS_a;
1684 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1685 ksym != KS_division)
1686 ksym += KS_Agrave - KS_agrave;
1687 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1688 ksym = group[1];
1689 } else {
1690 ksym = group[0];
1691 }
1692
1693 /* Process compose sequence and dead accents */
1694 res = KS_voidSymbol;
1695
1696 switch (KS_GROUP(ksym)) {
1697 case KS_GROUP_Ascii:
1698 case KS_GROUP_Keypad:
1699 case KS_GROUP_Function:
1700 res = ksym;
1701 break;
1702
1703 case KS_GROUP_Mod:
1704 if (ksym == KS_Multi_key) {
1705 update_modifier(id, 1, 0, MOD_COMPOSE);
1706 id->t_composelen = 2;
1707 }
1708 break;
1709
1710 case KS_GROUP_Dead:
1711 if (id->t_composelen == 0) {
1712 update_modifier(id, 1, 0, MOD_COMPOSE);
1713 id->t_composelen = 1;
1714 id->t_composebuf[0] = ksym;
1715 } else
1716 res = ksym;
1717 break;
1718 }
1719
1720 if (res == KS_voidSymbol) {
1721 update_leds(id);
1722 return (0);
1723 }
1724
1725 if (id->t_composelen > 0) {
1726 id->t_composebuf[2 - id->t_composelen] = res;
1727 if (--id->t_composelen == 0) {
1728 res = wskbd_compose_value(id->t_composebuf);
1729 update_modifier(id, 0, 0, MOD_COMPOSE);
1730 } else {
1731 return (0);
1732 }
1733 }
1734
1735 update_leds(id);
1736
1737 /* We are done, return the symbol */
1738 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1739 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1740 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1741 res = res & 0x1f;
1742 else if (res == KS_2)
1743 res = 0x00;
1744 else if (res >= KS_3 && res <= KS_7)
1745 res = KS_Escape + (res - KS_3);
1746 else if (res == KS_8)
1747 res = KS_Delete;
1748 }
1749 if (MOD_ONESET(id, MOD_ANYMETA)) {
1750 if (id->t_flags & WSKFL_METAESC) {
1751 id->t_symbols[0] = KS_Escape;
1752 id->t_symbols[1] = res;
1753 return (2);
1754 } else
1755 res |= 0x80;
1756 }
1757 }
1758
1759 id->t_symbols[0] = res;
1760 return (1);
1761 }
1762