wskbd.c revision 1.117 1 /* $NetBSD: wskbd.c,v 1.117 2008/04/27 05:15:45 cegger 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 1.117 2008/04/27 05:15:45 cegger 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(device_t, cfdata_t, void *);
217 static void wskbd_attach(device_t, device_t, void *);
218 static int wskbd_detach(device_t, int);
219 static int wskbd_activate(device_t, enum devact);
220
221 static int wskbd_displayioctl(device_t, u_long, void *, int,
222 struct lwp *);
223 #if NWSDISPLAY > 0
224 static int wskbd_set_display(device_t, 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(device_t, u_long, void *, int, struct lwp *);
253
254 CFATTACH_DECL_NEW(wskbd, sizeof (struct wskbd_softc),
255 wskbd_match, wskbd_attach, wskbd_detach, wskbd_activate);
256
257 extern struct cfdriver wskbd_cd;
258
259 dev_type_open(wskbdopen);
260 dev_type_close(wskbdclose);
261 dev_type_read(wskbdread);
262 dev_type_ioctl(wskbdioctl);
263 dev_type_poll(wskbdpoll);
264 dev_type_kqfilter(wskbdkqfilter);
265
266 const struct cdevsw wskbd_cdevsw = {
267 wskbdopen, wskbdclose, wskbdread, nowrite, wskbdioctl,
268 nostop, notty, wskbdpoll, nommap, wskbdkqfilter, D_OTHER
269 };
270
271 #ifndef WSKBD_DEFAULT_BELL_PITCH
272 #define WSKBD_DEFAULT_BELL_PITCH 1500 /* 1500Hz */
273 #endif
274 #ifndef WSKBD_DEFAULT_BELL_PERIOD
275 #define WSKBD_DEFAULT_BELL_PERIOD 100 /* 100ms */
276 #endif
277 #ifndef WSKBD_DEFAULT_BELL_VOLUME
278 #define WSKBD_DEFAULT_BELL_VOLUME 50 /* 50% volume */
279 #endif
280
281 struct wskbd_bell_data wskbd_default_bell_data = {
282 WSKBD_BELL_DOALL,
283 WSKBD_DEFAULT_BELL_PITCH,
284 WSKBD_DEFAULT_BELL_PERIOD,
285 WSKBD_DEFAULT_BELL_VOLUME,
286 };
287
288 #ifdef WSDISPLAY_SCROLLSUPPORT
289 struct wskbd_scroll_data wskbd_default_scroll_data = {
290 WSKBD_SCROLL_DOALL,
291 WSKBD_SCROLL_MODE_NORMAL,
292 #ifdef WSDISPLAY_SCROLLCOMBO
293 WSDISPLAY_SCROLLCOMBO,
294 #else
295 MOD_SHIFT_L,
296 #endif
297 };
298 #endif
299
300 #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1
301 #define WSKBD_DEFAULT_KEYREPEAT_DEL1 400 /* 400ms to start repeating */
302 #endif
303 #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN
304 #define WSKBD_DEFAULT_KEYREPEAT_DELN 100 /* 100ms to between repeats */
305 #endif
306
307 struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = {
308 WSKBD_KEYREPEAT_DOALL,
309 WSKBD_DEFAULT_KEYREPEAT_DEL1,
310 WSKBD_DEFAULT_KEYREPEAT_DELN,
311 };
312
313 #if NWSDISPLAY > 0 || NWSMUX > 0
314 struct wssrcops wskbd_srcops = {
315 WSMUX_KBD,
316 wskbd_mux_open, wskbd_mux_close, wskbd_do_ioctl,
317 wskbd_displayioctl, wskbd_set_display
318 };
319 #endif
320
321 static bool wskbd_suspend(device_t dv PMF_FN_PROTO);
322 static void wskbd_repeat(void *v);
323
324 static int wskbd_console_initted;
325 static struct wskbd_softc *wskbd_console_device;
326 static struct wskbd_internal wskbd_console_data;
327
328 static void wskbd_update_layout(struct wskbd_internal *, kbd_t);
329
330 static void
331 wskbd_update_layout(struct wskbd_internal *id, kbd_t enc)
332 {
333
334 if (enc & KB_METAESC)
335 id->t_flags |= WSKFL_METAESC;
336 else
337 id->t_flags &= ~WSKFL_METAESC;
338 }
339
340 /*
341 * Print function (for parent devices).
342 */
343 int
344 wskbddevprint(void *aux, const char *pnp)
345 {
346 #if 0
347 struct wskbddev_attach_args *ap = aux;
348 #endif
349
350 if (pnp)
351 aprint_normal("wskbd at %s", pnp);
352 #if 0
353 aprint_normal(" console %d", ap->console);
354 #endif
355
356 return (UNCONF);
357 }
358
359 int
360 wskbd_match(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
381 {
382 struct wskbd_softc *sc = device_private(self);
383 struct wskbddev_attach_args *ap = aux;
384 #if NWSMUX > 0
385 int mux, error;
386 #endif
387
388 sc->sc_base.me_dv = self;
389 sc->sc_isconsole = ap->console;
390
391 #if NWSMUX > 0 || NWSDISPLAY > 0
392 sc->sc_base.me_ops = &wskbd_srcops;
393 #endif
394 #if NWSMUX > 0
395 mux = device_cfdata(sc->sc_base.me_dv)->wskbddevcf_mux;
396 if (ap->console) {
397 /* Ignore mux for console; it always goes to the console mux. */
398 /* printf(" (mux %d ignored for console)", mux); */
399 mux = -1;
400 }
401 if (mux >= 0)
402 aprint_normal(" mux %d", mux);
403 #else
404 if (device_cfdata(sc->sc_base.me_dv)->wskbddevcf_mux >= 0)
405 aprint_normal(" (mux ignored)");
406 #endif
407
408 if (ap->console) {
409 sc->id = &wskbd_console_data;
410 } else {
411 sc->id = malloc(sizeof(struct wskbd_internal),
412 M_DEVBUF, M_WAITOK|M_ZERO);
413 sc->id->t_keymap = ap->keymap;
414 wskbd_update_layout(sc->id, ap->keymap->layout);
415 }
416
417 callout_init(&sc->sc_repeat_ch, 0);
418 callout_setfunc(&sc->sc_repeat_ch, wskbd_repeat, sc);
419
420 sc->id->t_sc = sc;
421
422 sc->sc_accessops = ap->accessops;
423 sc->sc_accesscookie = ap->accesscookie;
424 sc->sc_repeating = 0;
425 sc->sc_translating = 1;
426 sc->sc_ledstate = -1; /* force update */
427
428 if (wskbd_load_keymap(sc->id->t_keymap,
429 &sc->sc_map, &sc->sc_maplen) != 0)
430 panic("cannot load keymap");
431
432 sc->sc_layout = sc->id->t_keymap->layout;
433
434 /* set default bell and key repeat data */
435 sc->sc_bell_data = wskbd_default_bell_data;
436 sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
437
438 #ifdef WSDISPLAY_SCROLLSUPPORT
439 sc->sc_scroll_data = wskbd_default_scroll_data;
440 #endif
441
442 if (ap->console) {
443 KASSERT(wskbd_console_initted);
444 KASSERT(wskbd_console_device == NULL);
445
446 wskbd_console_device = sc;
447
448 aprint_naive(": console keyboard");
449 aprint_normal(": console keyboard");
450
451 #if NWSDISPLAY > 0
452 wsdisplay_set_console_kbd(&sc->sc_base); /* sets me_dispv */
453 if (sc->sc_base.me_dispdv != NULL)
454 aprint_normal(", using %s",
455 device_xname(sc->sc_base.me_dispdv));
456 #endif
457 }
458 aprint_naive("\n");
459 aprint_normal("\n");
460
461 #if NWSMUX > 0
462 if (mux >= 0) {
463 error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base);
464 if (error)
465 aprint_error_dev(sc->sc_base.me_dv,
466 "attach error=%d\n", error);
467 }
468 #endif
469
470 if (!pmf_device_register(self, wskbd_suspend, NULL))
471 aprint_error_dev(self, "couldn't establish power handler\n");
472 else if (!pmf_class_input_register(self))
473 aprint_error_dev(self, "couldn't register as input device\n");
474 }
475
476 static bool
477 wskbd_suspend(device_t dv PMF_FN_ARGS)
478 {
479 struct wskbd_softc *sc = device_private(dv);
480
481 sc->sc_repeating = 0;
482 callout_stop(&sc->sc_repeat_ch);
483
484 return true;
485 }
486
487 void
488 wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie,
489 const struct wskbd_mapdata *mapdata)
490 {
491 KASSERT(!wskbd_console_initted);
492
493 wskbd_console_data.t_keymap = mapdata;
494 wskbd_update_layout(&wskbd_console_data, mapdata->layout);
495
496 wskbd_console_data.t_consops = consops;
497 wskbd_console_data.t_consaccesscookie = conscookie;
498
499 #if NWSDISPLAY > 0
500 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
501 #endif
502
503 wskbd_console_initted = 1;
504 }
505
506 void
507 wskbd_cndetach(void)
508 {
509 KASSERT(wskbd_console_initted);
510
511 wskbd_console_data.t_keymap = 0;
512
513 wskbd_console_data.t_consops = 0;
514 wskbd_console_data.t_consaccesscookie = 0;
515
516 #if NWSDISPLAY > 0
517 wsdisplay_unset_cons_kbd();
518 #endif
519
520 wskbd_console_initted = 0;
521 }
522
523 static void
524 wskbd_repeat(void *v)
525 {
526 struct wskbd_softc *sc = (struct wskbd_softc *)v;
527 int s = spltty();
528
529 if (!sc->sc_repeating) {
530 /*
531 * race condition: a "key up" event came in when wskbd_repeat()
532 * was already called but not yet spltty()'d
533 */
534 splx(s);
535 return;
536 }
537 if (sc->sc_translating) {
538 /* deliver keys */
539 #if NWSDISPLAY > 0
540 if (sc->sc_base.me_dispdv != NULL) {
541 int i;
542 for (i = 0; i < sc->sc_repeating; i++)
543 wsdisplay_kbdinput(sc->sc_base.me_dispdv,
544 sc->id->t_symbols[i]);
545 }
546 #endif
547 } else {
548 #if defined(WSKBD_EVENT_AUTOREPEAT)
549 /* queue event */
550 wskbd_deliver_event(sc, sc->sc_repeat_type,
551 sc->sc_repeat_value);
552 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
553 }
554 callout_schedule(&sc->sc_repeat_ch, mstohz(sc->sc_keyrepeat_data.delN));
555 splx(s);
556 }
557
558 int
559 wskbd_activate(device_t self, enum devact act)
560 {
561 struct wskbd_softc *sc = device_private(self);
562
563 if (act == DVACT_DEACTIVATE)
564 sc->sc_dying = 1;
565 return (0);
566 }
567
568 /*
569 * Detach a keyboard. To keep track of users of the softc we keep
570 * a reference count that's incremented while inside, e.g., read.
571 * If the keyboard is active and the reference count is > 0 (0 is the
572 * normal state) we post an event and then wait for the process
573 * that had the reference to wake us up again. Then we blow away the
574 * vnode and return (which will deallocate the softc).
575 */
576 int
577 wskbd_detach(device_t self, int flags)
578 {
579 struct wskbd_softc *sc = device_private(self);
580 struct wseventvar *evar;
581 int maj, mn;
582 int s;
583
584 #if NWSMUX > 0
585 /* Tell parent mux we're leaving. */
586 if (sc->sc_base.me_parent != NULL)
587 wsmux_detach_sc(&sc->sc_base);
588 #endif
589
590 callout_stop(&sc->sc_repeat_ch);
591 callout_destroy(&sc->sc_repeat_ch);
592
593 if (sc->sc_isconsole) {
594 KASSERT(wskbd_console_device == sc);
595 wskbd_console_device = NULL;
596 }
597
598 pmf_device_deregister(self);
599
600 evar = sc->sc_base.me_evp;
601 if (evar != NULL && evar->io != NULL) {
602 s = spltty();
603 if (--sc->sc_refcnt >= 0) {
604 struct wscons_event event;
605
606 /* Wake everyone by generating a dummy event. */
607 event.type = 0;
608 event.value = 0;
609 if (wsevent_inject(evar, &event, 1) != 0)
610 wsevent_wakeup(evar);
611
612 /* Wait for processes to go away. */
613 if (tsleep(sc, PZERO, "wskdet", hz * 60))
614 aprint_error("wskbd_detach: %s didn't detach\n",
615 device_xname(self));
616 }
617 splx(s);
618 }
619
620 /* locate the major number */
621 maj = cdevsw_lookup_major(&wskbd_cdevsw);
622
623 /* Nuke the vnodes for any open instances. */
624 mn = device_unit(self);
625 vdevgone(maj, mn, mn, VCHR);
626
627 return (0);
628 }
629
630 void
631 wskbd_input(device_t dev, u_int type, int value)
632 {
633 struct wskbd_softc *sc = device_private(dev);
634 #if NWSDISPLAY > 0
635 int num, i;
636 #endif
637
638 if (sc->sc_repeating) {
639 sc->sc_repeating = 0;
640 callout_stop(&sc->sc_repeat_ch);
641 }
642
643 device_active(dev, DVA_HARDWARE);
644
645 #if NWSDISPLAY > 0
646 /*
647 * If /dev/wskbdN is not connected in event mode translate and
648 * send upstream.
649 */
650 if (sc->sc_translating) {
651 num = wskbd_translate(sc->id, type, value);
652 if (num > 0) {
653 if (sc->sc_base.me_dispdv != NULL) {
654 #ifdef WSDISPLAY_SCROLLSUPPORT
655 if (sc->id->t_symbols [0] != KS_Print_Screen) {
656 wsdisplay_scroll(sc->sc_base.
657 me_dispdv, WSDISPLAY_SCROLL_RESET);
658 }
659 #endif
660 for (i = 0; i < num; i++)
661 wsdisplay_kbdinput(
662 sc->sc_base.me_dispdv,
663 sc->id->t_symbols[i]);
664 }
665
666 if (sc->sc_keyrepeat_data.del1 != 0) {
667 sc->sc_repeating = num;
668 callout_schedule(&sc->sc_repeat_ch,
669 mstohz(sc->sc_keyrepeat_data.del1));
670 }
671 }
672 return;
673 }
674 #endif
675
676 wskbd_deliver_event(sc, type, value);
677
678 #if defined(WSKBD_EVENT_AUTOREPEAT)
679 /* Repeat key presses if set. */
680 if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) {
681 sc->sc_repeat_type = type;
682 sc->sc_repeat_value = value;
683 sc->sc_repeating = 1;
684 callout_schedule(&sc->sc_repeat_ch,
685 mstohz(sc->sc_keyrepeat_data.del1));
686 }
687 #endif /* defined(WSKBD_EVENT_AUTOREPEAT) */
688 }
689
690 /*
691 * Keyboard is generating events. Turn this keystroke into an
692 * event and put it in the queue. If the queue is full, the
693 * keystroke is lost (sorry!).
694 */
695 static void
696 wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value)
697 {
698 struct wseventvar *evar;
699 struct wscons_event event;
700
701 evar = sc->sc_base.me_evp;
702
703 if (evar == NULL) {
704 DPRINTF(("wskbd_input: not open\n"));
705 return;
706 }
707
708 #ifdef DIAGNOSTIC
709 if (evar->q == NULL) {
710 printf("wskbd_input: evar->q=NULL\n");
711 return;
712 }
713 #endif
714
715 event.type = type;
716 event.value = value;
717 if (wsevent_inject(evar, &event, 1) != 0)
718 log(LOG_WARNING, "%s: event queue overflow\n",
719 device_xname(sc->sc_base.me_dv));
720 }
721
722 #ifdef WSDISPLAY_COMPAT_RAWKBD
723 void
724 wskbd_rawinput(device_t dev, u_char *tbuf, int len)
725 {
726 #if NWSDISPLAY > 0
727 struct wskbd_softc *sc = device_private(dev);
728 int i;
729
730 if (sc->sc_base.me_dispdv != NULL)
731 for (i = 0; i < len; i++)
732 wsdisplay_kbdinput(sc->sc_base.me_dispdv, tbuf[i]);
733 /* this is KS_GROUP_Ascii */
734 #endif
735 }
736 #endif /* WSDISPLAY_COMPAT_RAWKBD */
737
738 #if NWSDISPLAY > 0
739 static void
740 wskbd_holdscreen(struct wskbd_softc *sc, int hold)
741 {
742 int new_state;
743
744 if (sc->sc_base.me_dispdv != NULL) {
745 wsdisplay_kbdholdscreen(sc->sc_base.me_dispdv, hold);
746 new_state = sc->sc_ledstate;
747 if (hold) {
748 #ifdef WSDISPLAY_SCROLLSUPPORT
749 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_HOLD;
750 #endif
751 new_state |= WSKBD_LED_SCROLL;
752 } else {
753 #ifdef WSDISPLAY_SCROLLSUPPORT
754 sc->sc_scroll_data.mode = WSKBD_SCROLL_MODE_NORMAL;
755 #endif
756 new_state &= ~WSKBD_LED_SCROLL;
757 }
758 if (new_state != sc->sc_ledstate) {
759 (*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
760 new_state);
761 sc->sc_ledstate = new_state;
762 #ifdef WSDISPLAY_SCROLLSUPPORT
763 if (!hold)
764 wsdisplay_scroll(sc->sc_base.me_dispdv,
765 WSDISPLAY_SCROLL_RESET);
766 #endif
767 }
768 }
769 }
770 #endif
771
772 static int
773 wskbd_enable(struct wskbd_softc *sc, int on)
774 {
775 int error;
776
777 #if 0
778 /* I don't understand the purpose of this code. And it seems to
779 * break things, so it's out. -- Lennart
780 */
781 if (!on && (!sc->sc_translating
782 #if NWSDISPLAY > 0
783 || sc->sc_base.me_dispdv
784 #endif
785 ))
786 return (EBUSY);
787 #endif
788 #if NWSDISPLAY > 0
789 if (sc->sc_base.me_dispdv != NULL)
790 return (0);
791 #endif
792
793 /* Always cancel auto repeat when fiddling with the kbd. */
794 if (sc->sc_repeating) {
795 sc->sc_repeating = 0;
796 callout_stop(&sc->sc_repeat_ch);
797 }
798
799 error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
800 DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error));
801 return (error);
802 }
803
804 #if NWSMUX > 0
805 int
806 wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp)
807 {
808 struct wskbd_softc *sc = (struct wskbd_softc *)me;
809
810 if (sc->sc_dying)
811 return (EIO);
812
813 if (sc->sc_base.me_evp != NULL)
814 return (EBUSY);
815
816 return (wskbd_do_open(sc, evp));
817 }
818 #endif
819
820 int
821 wskbdopen(dev_t dev, int flags, int mode, struct lwp *l)
822 {
823 struct wskbd_softc *sc = device_lookup_private(&wskbd_cd, minor(dev));
824 struct wseventvar *evar;
825 int error;
826
827 if (sc == NULL)
828 return (ENXIO);
829
830 #if NWSMUX > 0
831 DPRINTF(("wskbdopen: %s mux=%p l=%p\n",
832 device_xname(sc->sc_base.me_dv), sc->sc_base.me_parent, l));
833 #endif
834
835 if (sc->sc_dying)
836 return (EIO);
837
838 if ((flags & (FREAD | FWRITE)) == FWRITE)
839 /* Not opening for read, only ioctl is available. */
840 return (0);
841
842 #if NWSMUX > 0
843 if (sc->sc_base.me_parent != NULL) {
844 /* Grab the keyboard out of the greedy hands of the mux. */
845 DPRINTF(("wskbdopen: detach\n"));
846 wsmux_detach_sc(&sc->sc_base);
847 }
848 #endif
849
850 if (sc->sc_base.me_evp != NULL)
851 return (EBUSY);
852
853 evar = &sc->sc_base.me_evar;
854 wsevent_init(evar, l->l_proc);
855
856 error = wskbd_do_open(sc, evar);
857 if (error) {
858 DPRINTF(("wskbdopen: %s open failed\n",
859 device_xname(sc->sc_base.me_dv)));
860 sc->sc_base.me_evp = NULL;
861 wsevent_fini(evar);
862 }
863 return (error);
864 }
865
866 int
867 wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp)
868 {
869 sc->sc_base.me_evp = evp;
870 sc->sc_translating = 0;
871
872 return (wskbd_enable(sc, 1));
873 }
874
875 int
876 wskbdclose(dev_t dev, int flags, int mode,
877 struct lwp *l)
878 {
879 struct wskbd_softc *sc =
880 device_lookup_private(&wskbd_cd, minor(dev));
881 struct wseventvar *evar = sc->sc_base.me_evp;
882
883 if (evar == NULL)
884 /* not open for read */
885 return (0);
886
887 sc->sc_base.me_evp = NULL;
888 sc->sc_translating = 1;
889 (void)wskbd_enable(sc, 0);
890 wsevent_fini(evar);
891
892 return (0);
893 }
894
895 #if NWSMUX > 0
896 int
897 wskbd_mux_close(struct wsevsrc *me)
898 {
899 struct wskbd_softc *sc = (struct wskbd_softc *)me;
900
901 sc->sc_base.me_evp = NULL;
902 sc->sc_translating = 1;
903 (void)wskbd_enable(sc, 0);
904
905 return (0);
906 }
907 #endif
908
909 int
910 wskbdread(dev_t dev, struct uio *uio, int flags)
911 {
912 struct wskbd_softc *sc =
913 device_lookup_private(&wskbd_cd, minor(dev));
914 int error;
915
916 if (sc->sc_dying)
917 return (EIO);
918
919 #ifdef DIAGNOSTIC
920 if (sc->sc_base.me_evp == NULL) {
921 printf("wskbdread: evp == NULL\n");
922 return (EINVAL);
923 }
924 #endif
925
926 sc->sc_refcnt++;
927 error = wsevent_read(sc->sc_base.me_evp, uio, flags);
928 if (--sc->sc_refcnt < 0) {
929 wakeup(sc);
930 error = EIO;
931 }
932 return (error);
933 }
934
935 int
936 wskbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
937 {
938 return (wskbd_do_ioctl(device_lookup(&wskbd_cd, minor(dev)),
939 cmd, data, flag,l));
940 }
941
942 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
943 int
944 wskbd_do_ioctl(device_t dv, u_long cmd, void *data, int flag,
945 struct lwp *l)
946 {
947 struct wskbd_softc *sc = device_private(dv);
948 int error;
949
950 sc->sc_refcnt++;
951 error = wskbd_do_ioctl_sc(sc, cmd, data, flag, l);
952 if (--sc->sc_refcnt < 0)
953 wakeup(sc);
954 return (error);
955 }
956
957 int
958 wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, void *data, int flag,
959 struct lwp *l)
960 {
961
962 /*
963 * Try the generic ioctls that the wskbd interface supports.
964 */
965 switch (cmd) {
966 case FIONBIO: /* we will remove this someday (soon???) */
967 return (0);
968
969 case FIOASYNC:
970 if (sc->sc_base.me_evp == NULL)
971 return (EINVAL);
972 sc->sc_base.me_evp->async = *(int *)data != 0;
973 return (0);
974
975 case FIOSETOWN:
976 if (sc->sc_base.me_evp == NULL)
977 return (EINVAL);
978 if (-*(int *)data != sc->sc_base.me_evp->io->p_pgid
979 && *(int *)data != sc->sc_base.me_evp->io->p_pid)
980 return (EPERM);
981 return (0);
982
983 case TIOCSPGRP:
984 if (sc->sc_base.me_evp == NULL)
985 return (EINVAL);
986 if (*(int *)data != sc->sc_base.me_evp->io->p_pgid)
987 return (EPERM);
988 return (0);
989 }
990
991 /*
992 * Try the keyboard driver for WSKBDIO ioctls. It returns EPASSTHROUGH
993 * if it didn't recognize the request.
994 */
995 return (wskbd_displayioctl(sc->sc_base.me_dv, cmd, data, flag, l));
996 }
997
998 /*
999 * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
1000 * Some of these have no real effect in raw mode, however.
1001 */
1002 static int
1003 wskbd_displayioctl(device_t dev, u_long cmd, void *data, int flag,
1004 struct lwp *l)
1005 {
1006 #ifdef WSDISPLAY_SCROLLSUPPORT
1007 struct wskbd_scroll_data *usdp, *ksdp;
1008 #endif
1009 struct wskbd_softc *sc = device_private(dev);
1010 struct wskbd_bell_data *ubdp, *kbdp;
1011 struct wskbd_keyrepeat_data *ukdp, *kkdp;
1012 struct wskbd_map_data *umdp;
1013 struct wskbd_mapdata md;
1014 struct proc *p = l ? l->l_proc : NULL;
1015 kbd_t enc;
1016 void *tbuf;
1017 int len, error;
1018
1019 switch (cmd) {
1020 #define SETBELL(dstp, srcp, dfltp) \
1021 do { \
1022 (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \
1023 (srcp)->pitch : (dfltp)->pitch; \
1024 (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \
1025 (srcp)->period : (dfltp)->period; \
1026 (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \
1027 (srcp)->volume : (dfltp)->volume; \
1028 (dstp)->which = WSKBD_BELL_DOALL; \
1029 } while (0)
1030
1031 case WSKBDIO_BELL:
1032 if ((flag & FWRITE) == 0)
1033 return (EACCES);
1034 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1035 WSKBDIO_COMPLEXBELL, (void *)&sc->sc_bell_data, flag, l));
1036
1037 case WSKBDIO_COMPLEXBELL:
1038 if ((flag & FWRITE) == 0)
1039 return (EACCES);
1040 ubdp = (struct wskbd_bell_data *)data;
1041 SETBELL(ubdp, ubdp, &sc->sc_bell_data);
1042 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
1043 WSKBDIO_COMPLEXBELL, (void *)ubdp, flag, l));
1044
1045 case WSKBDIO_SETBELL:
1046 if ((flag & FWRITE) == 0)
1047 return (EACCES);
1048 kbdp = &sc->sc_bell_data;
1049 setbell:
1050 ubdp = (struct wskbd_bell_data *)data;
1051 SETBELL(kbdp, ubdp, kbdp);
1052 return (0);
1053
1054 case WSKBDIO_GETBELL:
1055 kbdp = &sc->sc_bell_data;
1056 getbell:
1057 ubdp = (struct wskbd_bell_data *)data;
1058 SETBELL(ubdp, kbdp, kbdp);
1059 return (0);
1060
1061 case WSKBDIO_SETDEFAULTBELL:
1062 if (p && (error = kauth_authorize_generic(l->l_cred,
1063 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1064 return (error);
1065 kbdp = &wskbd_default_bell_data;
1066 goto setbell;
1067
1068
1069 case WSKBDIO_GETDEFAULTBELL:
1070 kbdp = &wskbd_default_bell_data;
1071 goto getbell;
1072
1073 #undef SETBELL
1074
1075 #define SETKEYREPEAT(dstp, srcp, dfltp) \
1076 do { \
1077 (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \
1078 (srcp)->del1 : (dfltp)->del1; \
1079 (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \
1080 (srcp)->delN : (dfltp)->delN; \
1081 (dstp)->which = WSKBD_KEYREPEAT_DOALL; \
1082 } while (0)
1083
1084 case WSKBDIO_SETKEYREPEAT:
1085 if ((flag & FWRITE) == 0)
1086 return (EACCES);
1087 kkdp = &sc->sc_keyrepeat_data;
1088 setkeyrepeat:
1089 ukdp = (struct wskbd_keyrepeat_data *)data;
1090 SETKEYREPEAT(kkdp, ukdp, kkdp);
1091 return (0);
1092
1093 case WSKBDIO_GETKEYREPEAT:
1094 kkdp = &sc->sc_keyrepeat_data;
1095 getkeyrepeat:
1096 ukdp = (struct wskbd_keyrepeat_data *)data;
1097 SETKEYREPEAT(ukdp, kkdp, kkdp);
1098 return (0);
1099
1100 case WSKBDIO_SETDEFAULTKEYREPEAT:
1101 if ((error = kauth_authorize_generic(l->l_cred,
1102 KAUTH_GENERIC_ISSUSER, NULL)) != 0)
1103 return (error);
1104 kkdp = &wskbd_default_keyrepeat_data;
1105 goto setkeyrepeat;
1106
1107
1108 case WSKBDIO_GETDEFAULTKEYREPEAT:
1109 kkdp = &wskbd_default_keyrepeat_data;
1110 goto getkeyrepeat;
1111
1112 #ifdef WSDISPLAY_SCROLLSUPPORT
1113 #define SETSCROLLMOD(dstp, srcp, dfltp) \
1114 do { \
1115 (dstp)->mode = ((srcp)->which & WSKBD_SCROLL_DOMODE) ? \
1116 (srcp)->mode : (dfltp)->mode; \
1117 (dstp)->modifier = ((srcp)->which & WSKBD_SCROLL_DOMODIFIER) ? \
1118 (srcp)->modifier : (dfltp)->modifier; \
1119 (dstp)->which = WSKBD_SCROLL_DOALL; \
1120 } while (0)
1121
1122 case WSKBDIO_SETSCROLL:
1123 usdp = (struct wskbd_scroll_data *)data;
1124 ksdp = &sc->sc_scroll_data;
1125 SETSCROLLMOD(ksdp, usdp, ksdp);
1126 return (0);
1127
1128 case WSKBDIO_GETSCROLL:
1129 usdp = (struct wskbd_scroll_data *)data;
1130 ksdp = &sc->sc_scroll_data;
1131 SETSCROLLMOD(usdp, ksdp, ksdp);
1132 return (0);
1133 #else
1134 case WSKBDIO_GETSCROLL:
1135 case WSKBDIO_SETSCROLL:
1136 return ENODEV;
1137 #endif
1138
1139 #undef SETKEYREPEAT
1140
1141 case WSKBDIO_SETMAP:
1142 if ((flag & FWRITE) == 0)
1143 return (EACCES);
1144 umdp = (struct wskbd_map_data *)data;
1145 if (umdp->maplen > WSKBDIO_MAXMAPLEN)
1146 return (EINVAL);
1147
1148 len = umdp->maplen*sizeof(struct wscons_keymap);
1149 tbuf = malloc(len, M_TEMP, M_WAITOK);
1150 error = copyin(umdp->map, tbuf, len);
1151 if (error == 0) {
1152 wskbd_init_keymap(umdp->maplen,
1153 &sc->sc_map, &sc->sc_maplen);
1154 memcpy(sc->sc_map, tbuf, len);
1155 /* drop the variant bits handled by the map */
1156 sc->sc_layout = KB_USER |
1157 (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
1158 wskbd_update_layout(sc->id, sc->sc_layout);
1159 }
1160 free(tbuf, M_TEMP);
1161 return(error);
1162
1163 case WSKBDIO_GETMAP:
1164 umdp = (struct wskbd_map_data *)data;
1165 if (umdp->maplen > sc->sc_maplen)
1166 umdp->maplen = sc->sc_maplen;
1167 error = copyout(sc->sc_map, umdp->map,
1168 umdp->maplen*sizeof(struct wscons_keymap));
1169 return(error);
1170
1171 case WSKBDIO_GETENCODING:
1172 *((kbd_t *) data) = sc->sc_layout;
1173 return(0);
1174
1175 case WSKBDIO_SETENCODING:
1176 if ((flag & FWRITE) == 0)
1177 return (EACCES);
1178 enc = *((kbd_t *)data);
1179 if (KB_ENCODING(enc) == KB_USER) {
1180 /* user map must already be loaded */
1181 if (KB_ENCODING(sc->sc_layout) != KB_USER)
1182 return (EINVAL);
1183 /* map variants make no sense */
1184 if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
1185 return (EINVAL);
1186 } else {
1187 md = *(sc->id->t_keymap); /* structure assignment */
1188 md.layout = enc;
1189 error = wskbd_load_keymap(&md, &sc->sc_map,
1190 &sc->sc_maplen);
1191 if (error)
1192 return (error);
1193 }
1194 sc->sc_layout = enc;
1195 wskbd_update_layout(sc->id, enc);
1196 return (0);
1197 }
1198
1199 /*
1200 * Try the keyboard driver for WSKBDIO ioctls. It returns -1
1201 * if it didn't recognize the request, and in turn we return
1202 * -1 if we didn't recognize the request.
1203 */
1204 /* printf("kbdaccess\n"); */
1205 error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
1206 flag, l);
1207 #ifdef WSDISPLAY_COMPAT_RAWKBD
1208 if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
1209 int s = spltty();
1210 sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1211 | MOD_CONTROL_L | MOD_CONTROL_R
1212 | MOD_META_L | MOD_META_R
1213 | MOD_COMMAND
1214 | MOD_COMMAND1 | MOD_COMMAND2);
1215 if (sc->sc_repeating) {
1216 sc->sc_repeating = 0;
1217 callout_stop(&sc->sc_repeat_ch);
1218 }
1219 splx(s);
1220 }
1221 #endif
1222 return (error);
1223 }
1224
1225 int
1226 wskbdpoll(dev_t dev, int events, struct lwp *l)
1227 {
1228 struct wskbd_softc *sc =
1229 device_lookup_private(&wskbd_cd, minor(dev));
1230
1231 if (sc->sc_base.me_evp == NULL)
1232 return (POLLERR);
1233 return (wsevent_poll(sc->sc_base.me_evp, events, l));
1234 }
1235
1236 int
1237 wskbdkqfilter(dev_t dev, struct knote *kn)
1238 {
1239 struct wskbd_softc *sc =
1240 device_lookup_private(&wskbd_cd, minor(dev));
1241
1242 if (sc->sc_base.me_evp == NULL)
1243 return (1);
1244 return (wsevent_kqfilter(sc->sc_base.me_evp, kn));
1245 }
1246
1247 #if NWSDISPLAY > 0
1248
1249 int
1250 wskbd_pickfree(void)
1251 {
1252 int i;
1253 struct wskbd_softc *sc;
1254
1255 for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
1256 if ((sc = device_private(wskbd_cd.cd_devs[i])) == NULL)
1257 continue;
1258 if (sc->sc_base.me_dispdv == NULL)
1259 return (i);
1260 }
1261 return (-1);
1262 }
1263
1264 struct wsevsrc *
1265 wskbd_set_console_display(device_t displaydv, struct wsevsrc *me)
1266 {
1267 struct wskbd_softc *sc = wskbd_console_device;
1268
1269 if (sc == NULL)
1270 return (NULL);
1271 sc->sc_base.me_dispdv = displaydv;
1272 #if NWSMUX > 0
1273 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base);
1274 #endif
1275 return (&sc->sc_base);
1276 }
1277
1278 int
1279 wskbd_set_display(device_t dv, struct wsevsrc *me)
1280 {
1281 struct wskbd_softc *sc = device_private(dv);
1282 device_t displaydv = me != NULL ? me->me_dispdv : NULL;
1283 device_t odisplaydv;
1284 int error;
1285
1286 DPRINTF(("wskbd_set_display: %s me=%p odisp=%p disp=%p cons=%d\n",
1287 device_xname(dv), me, sc->sc_base.me_dispdv, displaydv,
1288 sc->sc_isconsole));
1289
1290 if (sc->sc_isconsole)
1291 return (EBUSY);
1292
1293 if (displaydv != NULL) {
1294 if (sc->sc_base.me_dispdv != NULL)
1295 return (EBUSY);
1296 } else {
1297 if (sc->sc_base.me_dispdv == NULL)
1298 return (ENXIO);
1299 }
1300
1301 odisplaydv = sc->sc_base.me_dispdv;
1302 sc->sc_base.me_dispdv = NULL;
1303 error = wskbd_enable(sc, displaydv != NULL);
1304 sc->sc_base.me_dispdv = displaydv;
1305 if (error) {
1306 sc->sc_base.me_dispdv = odisplaydv;
1307 return (error);
1308 }
1309
1310 if (displaydv)
1311 aprint_verbose_dev(sc->sc_base.me_dv, "connecting to %s\n",
1312 device_xname(displaydv));
1313 else
1314 aprint_verbose_dev(sc->sc_base.me_dv, "disconnecting from %s\n",
1315 device_xname(odisplaydv));
1316
1317 return (0);
1318 }
1319
1320 #endif /* NWSDISPLAY > 0 */
1321
1322 #if NWSMUX > 0
1323 int
1324 wskbd_add_mux(int unit, struct wsmux_softc *muxsc)
1325 {
1326 struct wskbd_softc *sc = device_lookup_private(&wskbd_cd, unit);
1327
1328 if (sc == NULL)
1329 return (ENXIO);
1330
1331 if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
1332 return (EBUSY);
1333
1334 return (wsmux_attach_sc(muxsc, &sc->sc_base));
1335 }
1336 #endif
1337
1338 /*
1339 * Console interface.
1340 */
1341 int
1342 wskbd_cngetc(dev_t dev)
1343 {
1344 static int num = 0;
1345 static int pos;
1346 u_int type;
1347 int data;
1348 keysym_t ks;
1349
1350 if (!wskbd_console_initted)
1351 return 0;
1352
1353 if (wskbd_console_device != NULL &&
1354 !wskbd_console_device->sc_translating)
1355 return 0;
1356
1357 for(;;) {
1358 if (num-- > 0) {
1359 ks = wskbd_console_data.t_symbols[pos++];
1360 if (KS_GROUP(ks) == KS_GROUP_Ascii)
1361 return (KS_VALUE(ks));
1362 } else {
1363 (*wskbd_console_data.t_consops->getc)
1364 (wskbd_console_data.t_consaccesscookie,
1365 &type, &data);
1366 if (type == WSCONS_EVENT_ASCII) {
1367 /*
1368 * We assume that when the driver falls back
1369 * to deliver pure ASCII it is in a state that
1370 * it can not track press/release events
1371 * reliable - so we clear all previously
1372 * accumulated modifier state.
1373 */
1374 wskbd_console_data.t_modifiers = 0;
1375 return(data);
1376 }
1377 num = wskbd_translate(&wskbd_console_data, type, data);
1378 pos = 0;
1379 }
1380 }
1381 }
1382
1383 void
1384 wskbd_cnpollc(dev_t dev, int poll)
1385 {
1386
1387 if (!wskbd_console_initted)
1388 return;
1389
1390 if (wskbd_console_device != NULL &&
1391 !wskbd_console_device->sc_translating)
1392 return;
1393
1394 (*wskbd_console_data.t_consops->pollc)
1395 (wskbd_console_data.t_consaccesscookie, poll);
1396 }
1397
1398 void
1399 wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume)
1400 {
1401
1402 if (!wskbd_console_initted)
1403 return;
1404
1405 if (wskbd_console_data.t_consops->bell != NULL)
1406 (*wskbd_console_data.t_consops->bell)
1407 (wskbd_console_data.t_consaccesscookie, pitch, period,
1408 volume);
1409 }
1410
1411 static inline void
1412 update_leds(struct wskbd_internal *id)
1413 {
1414 int new_state;
1415
1416 new_state = 0;
1417 if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
1418 new_state |= WSKBD_LED_CAPS;
1419 if (id->t_modifiers & MOD_NUMLOCK)
1420 new_state |= WSKBD_LED_NUM;
1421 if (id->t_modifiers & MOD_COMPOSE)
1422 new_state |= WSKBD_LED_COMPOSE;
1423 if (id->t_modifiers & MOD_HOLDSCREEN)
1424 new_state |= WSKBD_LED_SCROLL;
1425
1426 if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
1427 (*id->t_sc->sc_accessops->set_leds)
1428 (id->t_sc->sc_accesscookie, new_state);
1429 id->t_sc->sc_ledstate = new_state;
1430 }
1431 }
1432
1433 static inline void
1434 update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask)
1435 {
1436 if (toggle) {
1437 if (type == WSCONS_EVENT_KEY_DOWN)
1438 id->t_modifiers ^= mask;
1439 } else {
1440 if (type == WSCONS_EVENT_KEY_DOWN)
1441 id->t_modifiers |= mask;
1442 else
1443 id->t_modifiers &= ~mask;
1444 }
1445 }
1446
1447 #if NWSDISPLAY > 0
1448 static void
1449 change_displayparam(struct wskbd_softc *sc, int param, int updown,
1450 int wraparound)
1451 {
1452 int res;
1453 struct wsdisplay_param dp;
1454
1455 dp.param = param;
1456 res = wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_GETPARAM, &dp);
1457
1458 if (res == EINVAL)
1459 return; /* no such parameter */
1460
1461 dp.curval += updown;
1462 if (dp.max < dp.curval)
1463 dp.curval = wraparound ? dp.min : dp.max;
1464 else
1465 if (dp.curval < dp.min)
1466 dp.curval = wraparound ? dp.max : dp.min;
1467 wsdisplay_param(sc->sc_base.me_dispdv, WSDISPLAYIO_SETPARAM, &dp);
1468 }
1469 #endif
1470
1471 static int
1472 internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
1473 keysym_t ksym2)
1474 {
1475 #ifdef WSDISPLAY_SCROLLSUPPORT
1476 u_int state = 0;
1477 #endif
1478 switch (ksym) {
1479 case KS_Cmd_VolumeToggle:
1480 if (*type == WSCONS_EVENT_KEY_DOWN)
1481 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
1482 break;
1483 case KS_Cmd_VolumeUp:
1484 if (*type == WSCONS_EVENT_KEY_DOWN)
1485 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
1486 break;
1487 case KS_Cmd_VolumeDown:
1488 if (*type == WSCONS_EVENT_KEY_DOWN)
1489 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
1490 break;
1491 #ifdef WSDISPLAY_SCROLLSUPPORT
1492 case KS_Cmd_ScrollFastUp:
1493 case KS_Cmd_ScrollFastDown:
1494 if (*type == WSCONS_EVENT_KEY_DOWN) {
1495 GETMODSTATE(sc->id->t_modifiers, state);
1496 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1497 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1498 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1499 && sc->sc_scroll_data.modifier == state)) {
1500 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1501 wsdisplay_scroll(sc->sc_base.me_dispdv,
1502 (ksym == KS_Cmd_ScrollFastUp) ?
1503 WSDISPLAY_SCROLL_BACKWARD :
1504 WSDISPLAY_SCROLL_FORWARD);
1505 return (1);
1506 } else {
1507 return (0);
1508 }
1509 }
1510
1511 case KS_Cmd_ScrollSlowUp:
1512 case KS_Cmd_ScrollSlowDown:
1513 if (*type == WSCONS_EVENT_KEY_DOWN) {
1514 GETMODSTATE(sc->id->t_modifiers, state);
1515 if ((sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_HOLD
1516 && MOD_ONESET(sc->id, MOD_HOLDSCREEN))
1517 || (sc->sc_scroll_data.mode == WSKBD_SCROLL_MODE_NORMAL
1518 && sc->sc_scroll_data.modifier == state)) {
1519 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1520 wsdisplay_scroll(sc->sc_base.me_dispdv,
1521 (ksym == KS_Cmd_ScrollSlowUp) ?
1522 WSDISPLAY_SCROLL_BACKWARD | WSDISPLAY_SCROLL_LOW:
1523 WSDISPLAY_SCROLL_FORWARD | WSDISPLAY_SCROLL_LOW);
1524 return (1);
1525 } else {
1526 return (0);
1527 }
1528 }
1529 #endif
1530
1531 case KS_Cmd:
1532 update_modifier(sc->id, *type, 0, MOD_COMMAND);
1533 ksym = ksym2;
1534 break;
1535
1536 case KS_Cmd1:
1537 update_modifier(sc->id, *type, 0, MOD_COMMAND1);
1538 break;
1539
1540 case KS_Cmd2:
1541 update_modifier(sc->id, *type, 0, MOD_COMMAND2);
1542 break;
1543 }
1544
1545 if (*type != WSCONS_EVENT_KEY_DOWN ||
1546 (! MOD_ONESET(sc->id, MOD_COMMAND) &&
1547 ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
1548 return (0);
1549
1550 #if defined(DDB) || defined(KGDB)
1551 if (ksym == KS_Cmd_Debugger) {
1552 if (sc->sc_isconsole) {
1553 #ifdef DDB
1554 console_debugger();
1555 #endif
1556 #ifdef KGDB
1557 kgdb_connect(1);
1558 #endif
1559 }
1560 /* discard this key (ddb discarded command modifiers) */
1561 *type = WSCONS_EVENT_KEY_UP;
1562 return (1);
1563 }
1564 #endif
1565
1566 #if NWSDISPLAY > 0
1567 if (sc->sc_base.me_dispdv == NULL)
1568 return (0);
1569
1570 switch (ksym) {
1571 case KS_Cmd_Screen0:
1572 case KS_Cmd_Screen1:
1573 case KS_Cmd_Screen2:
1574 case KS_Cmd_Screen3:
1575 case KS_Cmd_Screen4:
1576 case KS_Cmd_Screen5:
1577 case KS_Cmd_Screen6:
1578 case KS_Cmd_Screen7:
1579 case KS_Cmd_Screen8:
1580 case KS_Cmd_Screen9:
1581 wsdisplay_switch(sc->sc_base.me_dispdv, ksym - KS_Cmd_Screen0, 0);
1582 return (1);
1583 case KS_Cmd_ResetEmul:
1584 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETEMUL);
1585 return (1);
1586 case KS_Cmd_ResetClose:
1587 wsdisplay_reset(sc->sc_base.me_dispdv, WSDISPLAY_RESETCLOSE);
1588 return (1);
1589 case KS_Cmd_BacklightOn:
1590 case KS_Cmd_BacklightOff:
1591 case KS_Cmd_BacklightToggle:
1592 change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT,
1593 ksym == KS_Cmd_BacklightOff ? -1 : 1,
1594 ksym == KS_Cmd_BacklightToggle ? 1 : 0);
1595 return (1);
1596 case KS_Cmd_BrightnessUp:
1597 case KS_Cmd_BrightnessDown:
1598 case KS_Cmd_BrightnessRotate:
1599 change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS,
1600 ksym == KS_Cmd_BrightnessDown ? -1 : 1,
1601 ksym == KS_Cmd_BrightnessRotate ? 1 : 0);
1602 return (1);
1603 case KS_Cmd_ContrastUp:
1604 case KS_Cmd_ContrastDown:
1605 case KS_Cmd_ContrastRotate:
1606 change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST,
1607 ksym == KS_Cmd_ContrastDown ? -1 : 1,
1608 ksym == KS_Cmd_ContrastRotate ? 1 : 0);
1609 return (1);
1610 }
1611 #endif
1612
1613 return (0);
1614 }
1615
1616 static int
1617 wskbd_translate(struct wskbd_internal *id, u_int type, int value)
1618 {
1619 struct wskbd_softc *sc = id->t_sc;
1620 keysym_t ksym, res, *group;
1621 struct wscons_keymap kpbuf, *kp;
1622 int iscommand = 0;
1623
1624 if (type == WSCONS_EVENT_ALL_KEYS_UP) {
1625 id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
1626 | MOD_CONTROL_L | MOD_CONTROL_R
1627 | MOD_META_L | MOD_META_R
1628 | MOD_MODESHIFT
1629 | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
1630 update_leds(id);
1631 return (0);
1632 }
1633
1634 if (sc != NULL) {
1635 if (value < 0 || value >= sc->sc_maplen) {
1636 #ifdef DEBUG
1637 printf("wskbd_translate: keycode %d out of range\n",
1638 value);
1639 #endif
1640 return (0);
1641 }
1642 kp = sc->sc_map + value;
1643 } else {
1644 kp = &kpbuf;
1645 wskbd_get_mapentry(id->t_keymap, value, kp);
1646 }
1647
1648 /* if this key has a command, process it first */
1649 if (sc != NULL && kp->command != KS_voidSymbol)
1650 iscommand = internal_command(sc, &type, kp->command,
1651 kp->group1[0]);
1652
1653 /* Now update modifiers */
1654 switch (kp->group1[0]) {
1655 case KS_Shift_L:
1656 update_modifier(id, type, 0, MOD_SHIFT_L);
1657 break;
1658
1659 case KS_Shift_R:
1660 update_modifier(id, type, 0, MOD_SHIFT_R);
1661 break;
1662
1663 case KS_Shift_Lock:
1664 update_modifier(id, type, 1, MOD_SHIFTLOCK);
1665 break;
1666
1667 case KS_Caps_Lock:
1668 update_modifier(id, type, 1, MOD_CAPSLOCK);
1669 break;
1670
1671 case KS_Control_L:
1672 update_modifier(id, type, 0, MOD_CONTROL_L);
1673 break;
1674
1675 case KS_Control_R:
1676 update_modifier(id, type, 0, MOD_CONTROL_R);
1677 break;
1678
1679 case KS_Alt_L:
1680 update_modifier(id, type, 0, MOD_META_L);
1681 break;
1682
1683 case KS_Alt_R:
1684 update_modifier(id, type, 0, MOD_META_R);
1685 break;
1686
1687 case KS_Mode_switch:
1688 update_modifier(id, type, 0, MOD_MODESHIFT);
1689 break;
1690
1691 case KS_Num_Lock:
1692 update_modifier(id, type, 1, MOD_NUMLOCK);
1693 break;
1694
1695 #if NWSDISPLAY > 0
1696 case KS_Hold_Screen:
1697 if (sc != NULL) {
1698 update_modifier(id, type, 1, MOD_HOLDSCREEN);
1699 wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
1700 }
1701 break;
1702 #endif
1703 }
1704
1705 /* If this is a key release or we are in command mode, we are done */
1706 if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
1707 update_leds(id);
1708 return (0);
1709 }
1710
1711 /* Get the keysym */
1712 if (id->t_modifiers & MOD_MODESHIFT)
1713 group = & kp->group2[0];
1714 else
1715 group = & kp->group1[0];
1716
1717 if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
1718 KS_GROUP(group[1]) == KS_GROUP_Keypad) {
1719 if (MOD_ONESET(id, MOD_ANYSHIFT))
1720 ksym = group[0];
1721 else
1722 ksym = group[1];
1723 } else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
1724 ksym = group[0];
1725 } else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
1726 if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
1727 ksym = group[0];
1728 else
1729 ksym = group[1];
1730 if (ksym >= KS_a && ksym <= KS_z)
1731 ksym += KS_A - KS_a;
1732 else if (ksym >= KS_agrave && ksym <= KS_thorn &&
1733 ksym != KS_division)
1734 ksym += KS_Agrave - KS_agrave;
1735 } else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
1736 ksym = group[1];
1737 } else {
1738 ksym = group[0];
1739 }
1740
1741 /* Process compose sequence and dead accents */
1742 res = KS_voidSymbol;
1743
1744 switch (KS_GROUP(ksym)) {
1745 case KS_GROUP_Ascii:
1746 case KS_GROUP_Keypad:
1747 case KS_GROUP_Function:
1748 res = ksym;
1749 break;
1750
1751 case KS_GROUP_Mod:
1752 if (ksym == KS_Multi_key) {
1753 update_modifier(id, 1, 0, MOD_COMPOSE);
1754 id->t_composelen = 2;
1755 }
1756 break;
1757
1758 case KS_GROUP_Dead:
1759 if (id->t_composelen == 0) {
1760 update_modifier(id, 1, 0, MOD_COMPOSE);
1761 id->t_composelen = 1;
1762 id->t_composebuf[0] = ksym;
1763 } else
1764 res = ksym;
1765 break;
1766 }
1767
1768 if (res == KS_voidSymbol) {
1769 update_leds(id);
1770 return (0);
1771 }
1772
1773 if (id->t_composelen > 0) {
1774 id->t_composebuf[2 - id->t_composelen] = res;
1775 if (--id->t_composelen == 0) {
1776 res = wskbd_compose_value(id->t_composebuf);
1777 update_modifier(id, 0, 0, MOD_COMPOSE);
1778 } else {
1779 return (0);
1780 }
1781 }
1782
1783 update_leds(id);
1784
1785 /* We are done, return the symbol */
1786 if (KS_GROUP(res) == KS_GROUP_Ascii) {
1787 if (MOD_ONESET(id, MOD_ANYCONTROL)) {
1788 if ((res >= KS_at && res <= KS_z) || res == KS_space)
1789 res = res & 0x1f;
1790 else if (res == KS_2)
1791 res = 0x00;
1792 else if (res >= KS_3 && res <= KS_7)
1793 res = KS_Escape + (res - KS_3);
1794 else if (res == KS_8)
1795 res = KS_Delete;
1796 }
1797 if (MOD_ONESET(id, MOD_ANYMETA)) {
1798 if (id->t_flags & WSKFL_METAESC) {
1799 id->t_symbols[0] = KS_Escape;
1800 id->t_symbols[1] = res;
1801 return (2);
1802 } else
1803 res |= 0x80;
1804 }
1805 }
1806
1807 id->t_symbols[0] = res;
1808 return (1);
1809 }
1810