xref: /netbsd-src/sys/dev/sun/kbd.c (revision 6a493d6bc668897c91594964a732d38505b70cbb)
1 /*	$NetBSD: kbd.c,v 1.66 2012/05/02 14:54:26 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This software was developed by the Computer Systems Engineering group
8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9  * contributed to Berkeley.
10  *
11  * All advertising materials mentioning features or use of this software
12  * must display the following acknowledgement:
13  *	This product includes software developed by the University of
14  *	California, Lawrence Berkeley Laboratory.
15  *
16  * Redistribution and use in source and binary forms, with or without
17  * modification, are permitted provided that the following conditions
18  * are met:
19  * 1. Redistributions of source code must retain the above copyright
20  *    notice, this list of conditions and the following disclaimer.
21  * 2. Redistributions in binary form must reproduce the above copyright
22  *    notice, this list of conditions and the following disclaimer in the
23  *    documentation and/or other materials provided with the distribution.
24  * 3. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  *	@(#)kbd.c	8.2 (Berkeley) 10/30/93
41  */
42 
43 /*
44  * Keyboard driver (/dev/kbd -- note that we do not have minor numbers
45  * [yet?]).  Translates incoming bytes to ASCII or to `firm_events' and
46  * passes them up to the appropriate reader.
47  */
48 
49 #include <sys/cdefs.h>
50 __KERNEL_RCSID(0, "$NetBSD: kbd.c,v 1.66 2012/05/02 14:54:26 christos Exp $");
51 
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/conf.h>
55 #include <sys/device.h>
56 #include <sys/ioctl.h>
57 #include <sys/kernel.h>
58 #include <sys/proc.h>
59 #include <sys/malloc.h>
60 #include <sys/signal.h>
61 #include <sys/signalvar.h>
62 #include <sys/time.h>
63 #include <sys/syslog.h>
64 #include <sys/select.h>
65 #include <sys/poll.h>
66 #include <sys/file.h>
67 
68 #include <dev/sysmon/sysmon_taskq.h>
69 
70 #include <dev/wscons/wsksymdef.h>
71 
72 #include <dev/sun/kbd_reg.h>
73 #include <dev/sun/kbio.h>
74 #include <dev/sun/vuid_event.h>
75 #include <dev/sun/event_var.h>
76 #include <dev/sun/kbd_xlate.h>
77 #include <dev/sun/kbdvar.h>
78 
79 #include "ioconf.h"
80 #include "locators.h"
81 #include "opt_sunkbd.h"
82 #include "sysmon_envsys.h"
83 
84 dev_type_open(kbdopen);
85 dev_type_close(kbdclose);
86 dev_type_read(kbdread);
87 dev_type_ioctl(kbdioctl);
88 dev_type_poll(kbdpoll);
89 dev_type_kqfilter(kbdkqfilter);
90 
91 const struct cdevsw kbd_cdevsw = {
92 	kbdopen, kbdclose, kbdread, nowrite, kbdioctl,
93 	nostop, notty, kbdpoll, nommap, kbdkqfilter, D_OTHER
94 };
95 
96 #if NWSKBD > 0
97 static int	wssunkbd_enable(void *, int);
98 static void	wssunkbd_set_leds(void *, int);
99 static int	wssunkbd_ioctl(void *, u_long, void *, int, struct lwp *);
100 static void	sunkbd_wskbd_cngetc(void *, u_int *, int *);
101 static void	sunkbd_wskbd_cnpollc(void *, int);
102 static void	sunkbd_wskbd_cnbell(void *, u_int, u_int, u_int);
103 static void	sunkbd_bell_off(void *v);
104 static void	kbd_enable(device_t); /* deferred keyboard init */
105 
106 const struct wskbd_accessops sunkbd_wskbd_accessops = {
107 	wssunkbd_enable,
108 	wssunkbd_set_leds,
109 	wssunkbd_ioctl,
110 };
111 
112 extern const struct wscons_keydesc wssun_keydesctab[];
113 const struct wskbd_mapdata sunkbd_wskbd_keymapdata = {
114 	wssun_keydesctab,
115 #ifdef SUNKBD_LAYOUT
116 	SUNKBD_LAYOUT,
117 #else
118 	KB_US,
119 #endif
120 };
121 
122 const struct wskbd_consops sunkbd_wskbd_consops = {
123         sunkbd_wskbd_cngetc,
124         sunkbd_wskbd_cnpollc,
125         sunkbd_wskbd_cnbell,
126 };
127 
128 void kbd_wskbd_attach(struct kbd_softc *, int);
129 #endif
130 
131 /* ioctl helpers */
132 static int kbd_iockeymap(struct kbd_state *, u_long, struct kiockeymap *);
133 #ifdef KIOCGETKEY
134 static int kbd_oldkeymap(struct kbd_state *, u_long, struct okiockey *);
135 #endif
136 
137 
138 /* callbacks for console driver */
139 static int kbd_cc_open(struct cons_channel *);
140 static int kbd_cc_close(struct cons_channel *);
141 
142 /* console input */
143 static void	kbd_input_console(struct kbd_softc *, int);
144 static void	kbd_repeat(void *);
145 static int	kbd_input_keysym(struct kbd_softc *, int);
146 static void	kbd_input_string(struct kbd_softc *, char *);
147 static void	kbd_input_funckey(struct kbd_softc *, int);
148 static void	kbd_update_leds(struct kbd_softc *);
149 
150 #if NWSKBD > 0
151 static void	kbd_input_wskbd(struct kbd_softc *, int);
152 #endif
153 
154 /* firm events input */
155 static void	kbd_input_event(struct kbd_softc *, int);
156 
157 /****************************************************************
158  *  Entry points for /dev/kbd
159  *  (open,close,read,write,...)
160  ****************************************************************/
161 
162 /*
163  * Open:
164  * Check exclusion, open actual device (_iopen),
165  * setup event channel, clear ASCII repeat stuff.
166  */
167 int
168 kbdopen(dev_t dev, int flags, int mode, struct lwp *l)
169 {
170 	struct kbd_softc *k;
171 	int error;
172 
173 	/* locate device */
174 	k = device_lookup_private(&kbd_cd, minor(dev));
175 	if (k == NULL)
176 		return ENXIO;
177 
178 #if NWSKBD > 0
179 	/*
180 	 * NB: wscons support: while we can track if wskbd has called
181 	 * enable(), we can't tell if that's for console input or for
182 	 * events input, so we should probably just let the open to
183 	 * always succeed regardless (e.g. Xsun opening /dev/kbd).
184 	 */
185 	if (!k->k_wsenabled)
186 		wssunkbd_enable(k, 1);
187 #endif
188 
189 	/* exclusive open required for /dev/kbd */
190 	if (k->k_events.ev_io)
191 		return EBUSY;
192 	k->k_events.ev_io = l->l_proc;
193 
194 	/* stop pending autorepeat of console input */
195 	if (k->k_repeating) {
196 		k->k_repeating = 0;
197 		callout_stop(&k->k_repeat_ch);
198 	}
199 
200 	/* open actual underlying device */
201 	if (k->k_ops != NULL && k->k_ops->open != NULL)
202 		if ((error = (*k->k_ops->open)(k)) != 0) {
203 			k->k_events.ev_io = NULL;
204 			return error;
205 		}
206 
207 	ev_init(&k->k_events);
208 	k->k_evmode = 0;	/* XXX: OK? */
209 
210 	return 0;
211 }
212 
213 
214 /*
215  * Close:
216  * Turn off event mode, dump the queue, and close the keyboard
217  * unless it is supplying console input.
218  */
219 int
220 kbdclose(dev_t dev, int flags, int mode, struct lwp *l)
221 {
222 	struct kbd_softc *k;
223 
224 	k = device_lookup_private(&kbd_cd, minor(dev));
225 	k->k_evmode = 0;
226 	ev_fini(&k->k_events);
227 	k->k_events.ev_io = NULL;
228 
229 	if (k->k_ops != NULL && k->k_ops->close != NULL) {
230 		int error;
231 		if ((error = (*k->k_ops->close)(k)) != 0)
232 			return error;
233 	}
234 	return 0;
235 }
236 
237 
238 int
239 kbdread(dev_t dev, struct uio *uio, int flags)
240 {
241 	struct kbd_softc *k;
242 
243 	k = device_lookup_private(&kbd_cd, minor(dev));
244 	return ev_read(&k->k_events, uio, flags);
245 }
246 
247 
248 int
249 kbdpoll(dev_t dev, int events, struct lwp *l)
250 {
251 	struct kbd_softc *k;
252 
253 	k = device_lookup_private(&kbd_cd, minor(dev));
254 	return ev_poll(&k->k_events, events, l);
255 }
256 
257 int
258 kbdkqfilter(dev_t dev, struct knote *kn)
259 {
260 	struct kbd_softc *k;
261 
262 	k = device_lookup_private(&kbd_cd, minor(dev));
263 	return ev_kqfilter(&k->k_events, kn);
264 }
265 
266 int
267 kbdioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
268 {
269 	struct kbd_softc *k;
270 	struct kbd_state *ks;
271 	int error = 0;
272 
273 	k = device_lookup_private(&kbd_cd, minor(dev));
274 	ks = &k->k_state;
275 
276 	switch (cmd) {
277 
278 	case KIOCTRANS: 	/* Set translation mode */
279 		/* We only support "raw" mode on /dev/kbd */
280 		if (*(int *)data != TR_UNTRANS_EVENT)
281 			error = EINVAL;
282 		break;
283 
284 	case KIOCGTRANS:	/* Get translation mode */
285 		/* We only support "raw" mode on /dev/kbd */
286 		*(int *)data = TR_UNTRANS_EVENT;
287 		break;
288 
289 #ifdef KIOCGETKEY
290 	case KIOCGETKEY:	/* Get keymap entry (old format) */
291 		error = kbd_oldkeymap(ks, cmd, (struct okiockey *)data);
292 		break;
293 #endif /* KIOCGETKEY */
294 
295 	case KIOCSKEY:  	/* Set keymap entry */
296 		/* FALLTHROUGH */
297 	case KIOCGKEY:  	/* Get keymap entry */
298 		error = kbd_iockeymap(ks, cmd, (struct kiockeymap *)data);
299 		break;
300 
301 	case KIOCCMD:		/* Send a command to the keyboard */
302 		/* pass it to the middle layer */
303 		if (k->k_ops != NULL && k->k_ops->docmd != NULL)
304 			error = (*k->k_ops->docmd)(k, *(int *)data, 1);
305 		break;
306 
307 	case KIOCTYPE:		/* Get keyboard type */
308 		*(int *)data = ks->kbd_id;
309 		break;
310 
311 	case KIOCSDIRECT:	/* Where to send input */
312 		k->k_evmode = *(int *)data;
313 		break;
314 
315 	case KIOCLAYOUT:	/* Get keyboard layout */
316 		*(int *)data = ks->kbd_layout;
317 		break;
318 
319 	case KIOCSLED:		/* Set keyboard LEDs */
320 		/* pass the request to the middle layer */
321 		if (k->k_ops != NULL && k->k_ops->setleds != NULL)
322 			error = (*k->k_ops->setleds)(k, *(char *)data, 1);
323 		break;
324 
325 	case KIOCGLED:		/* Get keyboard LEDs */
326 		*(char *)data = ks->kbd_leds;
327 		break;
328 
329 	case FIONBIO:		/* we will remove this someday (soon???) */
330 		break;
331 
332 	case FIOASYNC:
333 		k->k_events.ev_async = (*(int *)data != 0);
334 		break;
335 
336 	case FIOSETOWN:
337 		if (-*(int *)data != k->k_events.ev_io->p_pgid
338 		    && *(int *)data != k->k_events.ev_io->p_pid)
339 			error = EPERM;
340 		break;
341 
342 	case TIOCSPGRP:
343 		if (*(int *)data != k->k_events.ev_io->p_pgid)
344 			error = EPERM;
345 		break;
346 
347 	default:
348 		error = ENOTTY;
349 		break;
350 	}
351 
352 	return error;
353 }
354 
355 
356 /****************************************************************
357  * ioctl helpers
358  ****************************************************************/
359 
360 /*
361  * Get/Set keymap entry
362  */
363 static int
364 kbd_iockeymap(struct kbd_state *ks, u_long cmd, struct kiockeymap *kio)
365 {
366 	u_short *km;
367 	u_int station;
368 
369 	switch (kio->kio_tablemask) {
370 	case KIOC_NOMASK:
371 		km = ks->kbd_k.k_normal;
372 		break;
373 	case KIOC_SHIFTMASK:
374 		km = ks->kbd_k.k_shifted;
375 		break;
376 	case KIOC_CTRLMASK:
377 		km = ks->kbd_k.k_control;
378 		break;
379 	case KIOC_UPMASK:
380 		km = ks->kbd_k.k_release;
381 		break;
382 	default:
383 		/* Silently ignore unsupported masks */
384 		return 0;
385 	}
386 
387 	/* Range-check the table position. */
388 	station = kio->kio_station;
389 	if (station >= KEYMAP_SIZE)
390 		return EINVAL;
391 
392 	switch (cmd) {
393 
394 	case KIOCGKEY:	/* Get keymap entry */
395 		kio->kio_entry = km[station];
396 		break;
397 
398 	case KIOCSKEY:	/* Set keymap entry */
399 		km[station] = kio->kio_entry;
400 		break;
401 
402 	default:
403 		return ENOTTY;
404 	}
405 	return 0;
406 }
407 
408 
409 #ifdef KIOCGETKEY
410 /*
411  * Get/Set keymap entry,
412  * old format (compatibility)
413  */
414 int
415 kbd_oldkeymap(struct kbd_state *ks, u_long cmd, struct okiockey *kio)
416 {
417 	int error = 0;
418 
419 	switch (cmd) {
420 
421 	case KIOCGETKEY:
422 		if (kio->kio_station == 118) {
423 			/*
424 			 * This is X11 asking if a type 3 keyboard is
425 			 * really a type 3 keyboard.  Say yes, it is,
426 			 * by reporting key station 118 as a "hole".
427 			 * Note old (SunOS 3.5) definition of HOLE!
428 			 */
429 			kio->kio_entry = 0xA2;
430 			break;
431 		}
432 		/* fall through */
433 
434 	default:
435 		error = ENOTTY;
436 		break;
437 	}
438 
439 	return error;
440 }
441 #endif /* KIOCGETKEY */
442 
443 
444 
445 /****************************************************************
446  *  Keyboard input - called by middle layer at spltty().
447  ****************************************************************/
448 
449 void
450 kbd_input(struct kbd_softc *k, int code)
451 {
452 	if (k->k_evmode) {
453 		/*
454 		 * XXX: is this still true?
455 		 * IDLEs confuse the MIT X11R4 server badly, so we must drop them.
456 		 * This is bad as it means the server will not automatically resync
457 		 * on all-up IDLEs, but I did not drop them before, and the server
458 		 * goes crazy when it comes time to blank the screen....
459 		 */
460 		if (code == KBD_IDLE)
461 			return;
462 
463 		/*
464 		 * Keyboard is generating firm events.  Turn this keystroke
465 		 * into an event and put it in the queue.
466 		 */
467 		kbd_input_event(k, code);
468 		return;
469 	}
470 
471 #if NWSKBD > 0
472 	if (k->k_wskbd != NULL && k->k_wsenabled) {
473 		/*
474 		 * We are using wskbd input mode, pass the event up.
475 		 */
476 		if (code == KBD_IDLE)
477 			return;	/* this key is not in the mapped */
478 		kbd_input_wskbd(k, code);
479 		return;
480 	}
481 #endif
482 
483 	/*
484 	 * If /dev/kbd is not connected in event mode, or wskbd mode,
485 	 * translate and send upstream (to console).
486 	 */
487 	kbd_input_console(k, code);
488 }
489 
490 
491 
492 /****************************************************************
493  *  Open/close routines called upon opening /dev/console
494  *  if we serve console input.
495  ****************************************************************/
496 
497 struct cons_channel *
498 kbd_cc_alloc(struct kbd_softc *k)
499 {
500 	struct cons_channel *cc;
501 
502 	if ((cc = malloc(sizeof *cc, M_DEVBUF, M_NOWAIT)) == NULL)
503 		return NULL;
504 
505 	/* our callbacks for the console driver */
506 	cc->cc_private = k;
507 	cc->cc_iopen = kbd_cc_open;
508 	cc->cc_iclose = kbd_cc_close;
509 
510 	/* will be provided by the console driver so that we can feed input */
511 	cc->cc_upstream = NULL;
512 
513 	/*
514 	 * TODO: clean up cons_attach_input() vs kd_attach_input() in
515 	 * lower layers and move that code here.
516 	 */
517 
518 	k->k_cc = cc;
519 	return cc;
520 }
521 
522 
523 static int
524 kbd_cc_open(struct cons_channel *cc)
525 {
526 	struct kbd_softc *k;
527 	int ret;
528 
529 	if (cc == NULL)
530 		return 0;
531 
532 	k = cc->cc_private;
533 	if (k == NULL)
534 		return 0;
535 
536 	if (k->k_ops != NULL && k->k_ops->open != NULL)
537 		ret = (*k->k_ops->open)(k);
538 	else
539 		ret = 0;
540 
541 	/* XXX: verify that callout is not active? */
542 	k->k_repeat_start = hz/2;
543 	k->k_repeat_step = hz/20;
544 	callout_init(&k->k_repeat_ch, 0);
545 
546 	return ret;
547 }
548 
549 
550 static int
551 kbd_cc_close(struct cons_channel *cc)
552 {
553 	struct kbd_softc *k;
554 	int ret;
555 
556 	if (cc == NULL)
557 		return 0;
558 
559 	k = cc->cc_private;
560 	if (k == NULL)
561 		return 0;
562 
563 	if (k->k_ops != NULL && k->k_ops->close != NULL)
564 		ret = (*k->k_ops->close)(k);
565 	else
566 		ret = 0;
567 
568 	/* stop any pending auto-repeat */
569 	if (k->k_repeating) {
570 		k->k_repeating = 0;
571 		callout_stop(&k->k_repeat_ch);
572 	}
573 
574 	return ret;
575 }
576 
577 
578 
579 /****************************************************************
580  *  Console input - called by middle layer at spltty().
581  ****************************************************************/
582 
583 static void
584 kbd_input_console(struct kbd_softc *k, int code)
585 {
586 	struct kbd_state *ks= &k->k_state;
587 	int keysym;
588 
589 	/* any input stops auto-repeat (i.e. key release) */
590 	if (k->k_repeating) {
591 		k->k_repeating = 0;
592 		callout_stop(&k->k_repeat_ch);
593 	}
594 
595 	keysym = kbd_code_to_keysym(ks, code);
596 
597 	/* pass to console */
598 	if (kbd_input_keysym(k, keysym)) {
599 		log(LOG_WARNING, "%s: code=0x%x with mod=0x%x"
600 		    " produced unexpected keysym 0x%x\n",
601 		    device_xname(k->k_dev),
602 		    code, ks->kbd_modbits, keysym);
603 		return;		/* no point in auto-repeat here */
604 	}
605 
606 	if (KEYSYM_NOREPEAT(keysym))
607 		return;
608 
609 	/* setup for auto-repeat after initial delay */
610 	k->k_repeating = 1;
611 	k->k_repeatsym = keysym;
612 	callout_reset(&k->k_repeat_ch, k->k_repeat_start,
613 		      kbd_repeat, k);
614 }
615 
616 
617 /*
618  * This is the autorepeat callout function scheduled by kbd_input() above.
619  * Called at splsoftclock().
620  */
621 static void
622 kbd_repeat(void *arg)
623 {
624 	struct kbd_softc *k = arg;
625 	int s;
626 
627 	s = spltty();
628 	if (k->k_repeating && k->k_repeatsym >= 0) {
629 		/* feed typematic keysym to the console */
630 		(void)kbd_input_keysym(k, k->k_repeatsym);
631 
632 		/* reschedule next repeat */
633 		callout_reset(&k->k_repeat_ch, k->k_repeat_step,
634 			      kbd_repeat, k);
635 	}
636 	splx(s);
637 }
638 
639 
640 
641 /*
642  * Supply keysym as console input.  Convert keysym to character(s) and
643  * pass them up to cons_channel's upstream hook.
644  *
645  * Return zero on success, else the keysym that we could not handle
646  * (so that the caller may complain).
647  */
648 static int
649 kbd_input_keysym(struct kbd_softc *k, int keysym)
650 {
651 	struct kbd_state *ks = &k->k_state;
652 	int data;
653 	/* Check if a recipient has been configured */
654 	if (k->k_cc == NULL || k->k_cc->cc_upstream == NULL)
655 		return 0;
656 
657 	switch (KEYSYM_CLASS(keysym)) {
658 
659 	case KEYSYM_ASCII:
660 		data = KEYSYM_DATA(keysym);
661 		if (ks->kbd_modbits & KBMOD_META_MASK)
662 			data |= 0x80;
663 		(*k->k_cc->cc_upstream)(data);
664 		break;
665 
666 	case KEYSYM_STRING:
667 		data = keysym & 0xF;
668 		kbd_input_string(k, kbd_stringtab[data]);
669 		break;
670 
671 	case KEYSYM_FUNC:
672 		kbd_input_funckey(k, keysym);
673 		break;
674 
675 	case KEYSYM_CLRMOD:
676 		data = 1 << (keysym & 0x1F);
677 		ks->kbd_modbits &= ~data;
678 		break;
679 
680 	case KEYSYM_SETMOD:
681 		data = 1 << (keysym & 0x1F);
682 		ks->kbd_modbits |= data;
683 		break;
684 
685 	case KEYSYM_INVMOD:
686 		data = 1 << (keysym & 0x1F);
687 		ks->kbd_modbits ^= data;
688 		kbd_update_leds(k);
689 		break;
690 
691 	case KEYSYM_ALL_UP:
692 		ks->kbd_modbits &= ~0xFFFF;
693 		break;
694 
695 	case KEYSYM_SPECIAL:
696 		if (keysym == KEYSYM_NOP)
697 			break;
698 		/* FALLTHROUGH */
699 	default:
700 		/* We could not handle it. */
701 		return keysym;
702 	}
703 
704 	return 0;
705 }
706 
707 
708 /*
709  * Send string upstream.
710  */
711 static void
712 kbd_input_string(struct kbd_softc *k, char *str)
713 {
714 
715 	while (*str) {
716 		(*k->k_cc->cc_upstream)(*str);
717 		++str;
718 	}
719 }
720 
721 
722 /*
723  * Format the F-key sequence and send as a string.
724  * XXX: Ugly compatibility mappings.
725  */
726 static void
727 kbd_input_funckey(struct kbd_softc *k, int keysym)
728 {
729 	int n;
730 	char str[12];
731 
732 	n = 0xC0 + (keysym & 0x3F);
733 	snprintf(str, sizeof(str), "\033[%dz", n);
734 	kbd_input_string(k, str);
735 }
736 
737 
738 /*
739  * Update LEDs to reflect console input state.
740  */
741 static void
742 kbd_update_leds(struct kbd_softc *k)
743 {
744 	struct kbd_state *ks = &k->k_state;
745 	char leds;
746 
747 	leds = ks->kbd_leds;
748 	leds &= ~(LED_CAPS_LOCK|LED_NUM_LOCK);
749 
750 	if (ks->kbd_modbits & (1 << KBMOD_CAPSLOCK))
751 		leds |= LED_CAPS_LOCK;
752 	if (ks->kbd_modbits & (1 << KBMOD_NUMLOCK))
753 		leds |= LED_NUM_LOCK;
754 
755 	if (k->k_ops != NULL && k->k_ops->setleds != NULL)
756 		(void)(*k->k_ops->setleds)(k, leds, 0);
757 }
758 
759 
760 
761 /****************************************************************
762  *  Events input - called by middle layer at spltty().
763  ****************************************************************/
764 
765 /*
766  * Supply raw keystrokes when keyboard is open in firm event mode.
767  *
768  * Turn the keystroke into an event and put it in the queue.
769  * If the queue is full, the keystroke is lost (sorry!).
770  */
771 static void
772 kbd_input_event(struct kbd_softc *k, int code)
773 {
774 	struct firm_event *fe;
775 	int put;
776 
777 #ifdef DIAGNOSTIC
778 	if (!k->k_evmode) {
779 		printf("%s: kbd_input_event called when not in event mode\n",
780 		    device_xname(k->k_dev));
781 		return;
782 	}
783 #endif
784 	put = k->k_events.ev_put;
785 	fe = &k->k_events.ev_q[put];
786 	put = (put + 1) % EV_QSIZE;
787 	if (put == k->k_events.ev_get) {
788 		log(LOG_WARNING, "%s: event queue overflow\n",
789 		    device_xname(k->k_dev));
790 		return;
791 	}
792 
793 	fe->id = KEY_CODE(code);
794 	fe->value = KEY_UP(code) ? VKEY_UP : VKEY_DOWN;
795 	firm_gettime(fe);
796 	k->k_events.ev_put = put;
797 	EV_WAKEUP(&k->k_events);
798 }
799 
800 
801 
802 /****************************************************************
803  *  Translation stuff declared in kbd_xlate.h
804  ****************************************************************/
805 
806 /*
807  * Initialization - called by either lower layer attach or by kdcninit.
808  */
809 void
810 kbd_xlate_init(struct kbd_state *ks)
811 {
812 	struct keyboard *ktbls;
813 	int id;
814 
815 	id = ks->kbd_id;
816 	if (id < KBD_MIN_TYPE)
817 		id = KBD_MIN_TYPE;
818 	if (id > kbd_max_type)
819 		id = kbd_max_type;
820 	ktbls = keyboards[id];
821 
822 	ks->kbd_k = *ktbls; 	/* struct assignment */
823 	ks->kbd_modbits = 0;
824 }
825 
826 /*
827  * Turn keyboard up/down codes into a KEYSYM.
828  * Note that the "kd" driver (on sun3 and sparc64) uses this too!
829  */
830 int
831 kbd_code_to_keysym(struct kbd_state *ks, int c)
832 {
833 	u_short *km;
834 	int keysym;
835 
836 	/*
837 	 * Get keymap pointer.  One of these:
838 	 * release, control, shifted, normal, ...
839 	 */
840 	if (KEY_UP(c))
841 		km = ks->kbd_k.k_release;
842 	else if (ks->kbd_modbits & KBMOD_CTRL_MASK)
843 		km = ks->kbd_k.k_control;
844 	else if (ks->kbd_modbits & KBMOD_SHIFT_MASK)
845 		km = ks->kbd_k.k_shifted;
846 	else
847 		km = ks->kbd_k.k_normal;
848 
849 	if (km == NULL) {
850 		/*
851 		 * Do not know how to translate yet.
852 		 * We will find out when a RESET comes along.
853 		 */
854 		return KEYSYM_NOP;
855 	}
856 	keysym = km[KEY_CODE(c)];
857 
858 	/*
859 	 * Post-processing for Caps-lock
860 	 */
861 	if ((ks->kbd_modbits & (1 << KBMOD_CAPSLOCK)) &&
862 		(KEYSYM_CLASS(keysym) == KEYSYM_ASCII) )
863 	{
864 		if (('a' <= keysym) && (keysym <= 'z'))
865 			keysym -= ('a' - 'A');
866 	}
867 
868 	/*
869 	 * Post-processing for Num-lock.  All "function"
870 	 * keysyms get indirected through another table.
871 	 * (XXX: Only if numlock on.  Want off also!)
872 	 */
873 	if ((ks->kbd_modbits & (1 << KBMOD_NUMLOCK)) &&
874 		(KEYSYM_CLASS(keysym) == KEYSYM_FUNC) )
875 	{
876 		keysym = kbd_numlock_map[keysym & 0x3F];
877 	}
878 
879 	return keysym;
880 }
881 
882 
883 /*
884  * Back door for rcons (fb.c)
885  */
886 void
887 kbd_bell(int on)
888 {
889 	struct kbd_softc *k;
890 
891 	k = device_lookup_private(&kbd_cd, 0); /* XXX: hardcoded minor */
892 
893 	if (k == NULL || k->k_ops == NULL || k->k_ops->docmd == NULL)
894 		return;
895 
896 	(void)(*k->k_ops->docmd)(k, on ? KBD_CMD_BELL : KBD_CMD_NOBELL, 0);
897 }
898 
899 #if NWSKBD > 0
900 
901 #if NSYSMON_ENVSYS
902 static void
903 kbd_powerbutton(void *cookie)
904 {
905 	struct kbd_softc *k = cookie;
906 
907 	sysmon_pswitch_event(&k->k_sm_pbutton, k->k_ev);
908 }
909 #endif
910 
911 static void
912 kbd_input_wskbd(struct kbd_softc *k, int code)
913 {
914 	int type, key;
915 
916 #ifdef WSDISPLAY_COMPAT_RAWKBD
917 	if (k->k_wsraw) {
918 		u_char buf;
919 
920 		buf = code;
921 		wskbd_rawinput(k->k_wskbd, &buf, 1);
922 		return;
923 	}
924 #endif
925 
926 	type = KEY_UP(code) ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
927 	key = KEY_CODE(code);
928 
929 	if (type == WSCONS_EVENT_KEY_DOWN) {
930 		switch (key) {
931 #ifdef KBD_HIJACK_VOLUME_BUTTONS
932 			case 0x02:
933 				pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
934 				return;
935 			case 0x04:
936 				pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
937 				return;
938 #endif
939 			case 0x30:
940 #if NSYSMON_ENVSYS
941 				if (k->k_isconsole)
942 					k->k_ev = KEY_UP(code) ?
943 					    PSWITCH_EVENT_RELEASED :
944 					    PSWITCH_EVENT_PRESSED;
945 					sysmon_task_queue_sched(0,
946 					    kbd_powerbutton, k);
947 #endif
948 				return;
949 		}
950 	}
951 
952 	wskbd_input(k->k_wskbd, type, key);
953 }
954 
955 int
956 wssunkbd_enable(void *v, int on)
957 {
958 	struct kbd_softc *k = v;
959 
960 	if (k->k_wsenabled != on) {
961 		k->k_wsenabled = on;
962 		if (on) {
963 			/* open actual underlying device */
964 			if (k->k_ops != NULL && k->k_ops->open != NULL)
965 				(*k->k_ops->open)(k);
966 			ev_init(&k->k_events);
967 			k->k_evmode = 0;	/* XXX: OK? */
968 		} else {
969 			/* close underlying device */
970 			if (k->k_ops != NULL && k->k_ops->close != NULL)
971 				(*k->k_ops->close)(k);
972 		}
973 	}
974 	return 0;
975 }
976 
977 void
978 wssunkbd_set_leds(void *v, int leds)
979 {
980 	struct kbd_softc *k = v;
981 	int l = 0;
982 
983 	if (leds & WSKBD_LED_CAPS)
984 		l |= LED_CAPS_LOCK;
985 	if (leds & WSKBD_LED_NUM)
986 		l |= LED_NUM_LOCK;
987 	if (leds & WSKBD_LED_SCROLL)
988 		l |= LED_SCROLL_LOCK;
989 	if (leds & WSKBD_LED_COMPOSE)
990 		l |= LED_COMPOSE;
991 	if (k->k_ops != NULL && k->k_ops->setleds != NULL)
992 		(*k->k_ops->setleds)(k, l, 0);
993 	k->k_leds=l;
994 }
995 
996 static int
997 wssunkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
998 {
999 	struct kbd_softc *k = v;
1000 
1001 	switch (cmd) {
1002 		case WSKBDIO_GTYPE:
1003 			/* we can't tell  4 from  5 or 6 */
1004 			*(int *)data = k->k_state.kbd_id < KB_SUN4 ?
1005 			    WSKBD_TYPE_SUN : WSKBD_TYPE_SUN5;
1006 			return 0;
1007 		case WSKBDIO_SETLEDS:
1008 			wssunkbd_set_leds(v, *(int *)data);
1009 			return 0;
1010 		case WSKBDIO_GETLEDS:
1011 			*(int *)data = k->k_leds;
1012 			return 0;
1013 #ifdef WSDISPLAY_COMPAT_RAWKBD
1014 		case WSKBDIO_SETMODE:
1015 			k->k_wsraw = *(int *)data == WSKBD_RAW;
1016 			return 0;
1017 #endif
1018 	}
1019 	return EPASSTHROUGH;
1020 }
1021 
1022 extern int	prom_cngetc(dev_t);
1023 
1024 static void
1025 sunkbd_wskbd_cngetc(void *v, u_int *type, int *data)
1026 {
1027 	/* struct kbd_sun_softc *k = v; */
1028 
1029 	*data = prom_cngetc(0);
1030 	*type = WSCONS_EVENT_ASCII;
1031 }
1032 
1033 void
1034 sunkbd_wskbd_cnpollc(void *v, int on)
1035 {
1036 }
1037 
1038 static void
1039 sunkbd_bell_off(void *v)
1040 {
1041 	struct kbd_softc *k = v;
1042 
1043 	k->k_ops->docmd(k, KBD_CMD_NOBELL, 0);
1044 }
1045 
1046 void
1047 sunkbd_wskbd_cnbell(void *v, u_int pitch, u_int period, u_int volume)
1048 {
1049 	struct kbd_softc *k = v;
1050 
1051 	callout_reset(&k->k_wsbell, period * 1000 / hz, sunkbd_bell_off, v);
1052 	k->k_ops->docmd(k, KBD_CMD_BELL, 0);
1053 }
1054 
1055 void
1056 kbd_enable(device_t dev)
1057 {
1058 	struct kbd_softc *k = device_private(dev);
1059 	struct wskbddev_attach_args a;
1060 
1061 	if (k->k_isconsole)
1062 		wskbd_cnattach(&sunkbd_wskbd_consops, k,
1063 		    &sunkbd_wskbd_keymapdata);
1064 
1065 	a.console = k->k_isconsole;
1066 	a.keymap = &sunkbd_wskbd_keymapdata;
1067 	a.accessops = &sunkbd_wskbd_accessops;
1068 	a.accesscookie = k;
1069 
1070 	/* XXX why? */
1071 	k->k_wsenabled = 0;
1072 
1073 	/* Attach the wskbd */
1074 	k->k_wskbd = config_found(k->k_dev, &a, wskbddevprint);
1075 
1076 	callout_init(&k->k_wsbell, 0);
1077 
1078 	wssunkbd_enable(k,1);
1079 
1080 	wssunkbd_set_leds(k, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS);
1081 	delay(100000);
1082 	wssunkbd_set_leds(k, 0);
1083 }
1084 
1085 void
1086 kbd_wskbd_attach(struct kbd_softc *k, int isconsole)
1087 {
1088 	k->k_isconsole = isconsole;
1089 	if (isconsole) {
1090 #if NSYSMON_ENVSYS
1091 		sysmon_task_queue_init();
1092 		memset(&k->k_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
1093 		k->k_sm_pbutton.smpsw_name = device_xname(k->k_dev);
1094 		k->k_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
1095 		if (sysmon_pswitch_register(&k->k_sm_pbutton) != 0)
1096 			aprint_error_dev(k->k_dev,
1097 			    "unable to register power button with sysmon\n");
1098 #endif
1099 	}
1100 	config_interrupts(k->k_dev, kbd_enable);
1101 }
1102 #endif
1103