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wskbd.c revision 1.37
      1 /* $NetBSD: wskbd.c,v 1.37 2000/03/06 21:37:16 thorpej 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 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: wskbd.c,v 1.37 2000/03/06 21:37:16 thorpej Exp $");
     38 
     39 /*
     40  * Copyright (c) 1992, 1993
     41  *	The Regents of the University of California.  All rights reserved.
     42  *
     43  * This software was developed by the Computer Systems Engineering group
     44  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
     45  * contributed to Berkeley.
     46  *
     47  * All advertising materials mentioning features or use of this software
     48  * must display the following acknowledgement:
     49  *	This product includes software developed by the University of
     50  *	California, Lawrence Berkeley Laboratory.
     51  *
     52  * Redistribution and use in source and binary forms, with or without
     53  * modification, are permitted provided that the following conditions
     54  * are met:
     55  * 1. Redistributions of source code must retain the above copyright
     56  *    notice, this list of conditions and the following disclaimer.
     57  * 2. Redistributions in binary form must reproduce the above copyright
     58  *    notice, this list of conditions and the following disclaimer in the
     59  *    documentation and/or other materials provided with the distribution.
     60  * 3. All advertising materials mentioning features or use of this software
     61  *    must display the following acknowledgement:
     62  *	This product includes software developed by the University of
     63  *	California, Berkeley and its contributors.
     64  * 4. Neither the name of the University nor the names of its contributors
     65  *    may be used to endorse or promote products derived from this software
     66  *    without specific prior written permission.
     67  *
     68  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     69  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     70  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     71  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     72  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     73  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     74  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     75  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     76  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     77  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     78  * SUCH DAMAGE.
     79  *
     80  *	@(#)kbd.c	8.2 (Berkeley) 10/30/93
     81  */
     82 
     83 /*
     84  * Keyboard driver (/dev/wskbd*).  Translates incoming bytes to ASCII or
     85  * to `wscons_events' and passes them up to the appropriate reader.
     86  */
     87 
     88 #include "opt_ddb.h"
     89 
     90 #include <sys/param.h>
     91 #include <sys/conf.h>
     92 #include <sys/device.h>
     93 #include <sys/ioctl.h>
     94 #include <sys/kernel.h>
     95 #include <sys/proc.h>
     96 #include <sys/syslog.h>
     97 #include <sys/systm.h>
     98 #include <sys/malloc.h>
     99 #include <sys/tty.h>
    100 #include <sys/signalvar.h>
    101 #include <sys/errno.h>
    102 #include <sys/fcntl.h>
    103 #include <sys/vnode.h>
    104 
    105 #include <dev/wscons/wsconsio.h>
    106 #include <dev/wscons/wskbdvar.h>
    107 #include <dev/wscons/wsksymdef.h>
    108 #include <dev/wscons/wsksymvar.h>
    109 #include <dev/wscons/wseventvar.h>
    110 #include <dev/wscons/wscons_callbacks.h>
    111 
    112 #include "opt_wsdisplay_compat.h"
    113 
    114 #include "wsdisplay.h"
    115 #include "wsmux.h"
    116 
    117 #ifdef WSKBD_DEBUG
    118 #define DPRINTF(x)	if (wskbddebug) printf x
    119 int	wskbddebug = 0;
    120 #else
    121 #define DPRINTF(x)
    122 #endif
    123 
    124 #if NWSMUX > 0 || NWSDISPLAY > 0
    125 #include <dev/wscons/wsmuxvar.h>
    126 #endif
    127 
    128 struct wskbd_internal {
    129 	const struct wskbd_mapdata *t_keymap;
    130 
    131 	const struct wskbd_consops *t_consops;
    132 	void	*t_consaccesscookie;
    133 
    134 	int	t_modifiers;
    135 	int	t_composelen;		/* remaining entries in t_composebuf */
    136 	keysym_t t_composebuf[2];
    137 
    138 	int t_flags;
    139 #define WSKFL_METAESC 1
    140 
    141 #define MAXKEYSYMSPERKEY 2 /* ESC <key> at max */
    142 	keysym_t t_symbols[MAXKEYSYMSPERKEY];
    143 
    144 	struct wskbd_softc *t_sc;	/* back pointer */
    145 };
    146 
    147 struct wskbd_softc {
    148 	struct device	sc_dv;
    149 
    150 	struct wskbd_internal *id;
    151 
    152 	const struct wskbd_accessops *sc_accessops;
    153 	void *sc_accesscookie;
    154 
    155 	int	sc_ledstate;
    156 
    157 	int	sc_ready;		/* accepting events */
    158 	struct wseventvar sc_events;	/* event queue state */
    159 
    160 	int	sc_isconsole;
    161 #if NWSDISPLAY > 0
    162 	struct device	*sc_displaydv;
    163 #endif
    164 
    165 	struct wskbd_bell_data sc_bell_data;
    166 	struct wskbd_keyrepeat_data sc_keyrepeat_data;
    167 
    168 	int	sc_repeating;		/* we've called timeout() */
    169 
    170 	int	sc_translating;		/* xlate to chars for emulation */
    171 
    172 	int	sc_maplen;		/* number of entries in sc_map */
    173 	struct wscons_keymap *sc_map;	/* current translation map */
    174 	kbd_t sc_layout; /* current layout */
    175 
    176 	int		sc_refcnt;
    177 	u_char		sc_dying;	/* device is being detached */
    178 
    179 #if NWSMUX > 0 || NWSDISPLAY > 0
    180 	struct wsmux_softc *sc_mux;
    181 #endif
    182 };
    183 
    184 #define MOD_SHIFT_L		(1 << 0)
    185 #define MOD_SHIFT_R		(1 << 1)
    186 #define MOD_SHIFTLOCK		(1 << 2)
    187 #define MOD_CAPSLOCK		(1 << 3)
    188 #define MOD_CONTROL_L		(1 << 4)
    189 #define MOD_CONTROL_R		(1 << 5)
    190 #define MOD_META_L		(1 << 6)
    191 #define MOD_META_R		(1 << 7)
    192 #define MOD_MODESHIFT		(1 << 8)
    193 #define MOD_NUMLOCK		(1 << 9)
    194 #define MOD_COMPOSE		(1 << 10)
    195 #define MOD_HOLDSCREEN		(1 << 11)
    196 #define MOD_COMMAND		(1 << 12)
    197 #define MOD_COMMAND1		(1 << 13)
    198 #define MOD_COMMAND2		(1 << 14)
    199 
    200 #define MOD_ANYSHIFT		(MOD_SHIFT_L | MOD_SHIFT_R | MOD_SHIFTLOCK)
    201 #define MOD_ANYCONTROL		(MOD_CONTROL_L | MOD_CONTROL_R)
    202 #define MOD_ANYMETA		(MOD_META_L | MOD_META_R)
    203 
    204 #define MOD_ONESET(id, mask)	(((id)->t_modifiers & (mask)) != 0)
    205 #define MOD_ALLSET(id, mask)	(((id)->t_modifiers & (mask)) == (mask))
    206 
    207 int	wskbd_match __P((struct device *, struct cfdata *, void *));
    208 void	wskbd_attach __P((struct device *, struct device *, void *));
    209 int	wskbd_detach __P((struct device *, int));
    210 int	wskbd_activate __P((struct device *, enum devact));
    211 
    212 static int wskbd_displayioctl
    213 	    __P((struct device *, u_long, caddr_t, int, struct proc *p));
    214 int	wskbd_set_display __P((struct device *, struct wsmux_softc *));
    215 
    216 static inline void update_leds __P((struct wskbd_internal *));
    217 static inline void update_modifier __P((struct wskbd_internal *, u_int, int, int));
    218 static int internal_command __P((struct wskbd_softc *, u_int *, keysym_t));
    219 static int wskbd_translate __P((struct wskbd_internal *, u_int, int));
    220 static int wskbd_enable __P((struct wskbd_softc *, int));
    221 #if NWSDISPLAY > 0
    222 static void wskbd_holdscreen __P((struct wskbd_softc *, int));
    223 #endif
    224 
    225 int	wskbd_do_ioctl __P((struct wskbd_softc *, u_long, caddr_t,
    226 			    int, struct proc *));
    227 
    228 int	wskbddoclose __P((struct device *, int, int, struct proc *));
    229 int	wskbddoioctl __P((struct device *, u_long, caddr_t, int,
    230 			  struct proc *));
    231 
    232 struct cfattach wskbd_ca = {
    233 	sizeof (struct wskbd_softc), wskbd_match, wskbd_attach,
    234 	wskbd_detach, wskbd_activate
    235 };
    236 
    237 extern struct cfdriver wskbd_cd;
    238 
    239 #ifndef WSKBD_DEFAULT_BELL_PITCH
    240 #define	WSKBD_DEFAULT_BELL_PITCH	1500	/* 1500Hz */
    241 #endif
    242 #ifndef WSKBD_DEFAULT_BELL_PERIOD
    243 #define	WSKBD_DEFAULT_BELL_PERIOD	100	/* 100ms */
    244 #endif
    245 #ifndef WSKBD_DEFAULT_BELL_VOLUME
    246 #define	WSKBD_DEFAULT_BELL_VOLUME	50	/* 50% volume */
    247 #endif
    248 
    249 struct wskbd_bell_data wskbd_default_bell_data = {
    250 	WSKBD_BELL_DOALL,
    251 	WSKBD_DEFAULT_BELL_PITCH,
    252 	WSKBD_DEFAULT_BELL_PERIOD,
    253 	WSKBD_DEFAULT_BELL_VOLUME,
    254 };
    255 
    256 #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1
    257 #define	WSKBD_DEFAULT_KEYREPEAT_DEL1	400	/* 400ms to start repeating */
    258 #endif
    259 #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN
    260 #define	WSKBD_DEFAULT_KEYREPEAT_DELN	100	/* 100ms to between repeats */
    261 #endif
    262 
    263 struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = {
    264 	WSKBD_KEYREPEAT_DOALL,
    265 	WSKBD_DEFAULT_KEYREPEAT_DEL1,
    266 	WSKBD_DEFAULT_KEYREPEAT_DELN,
    267 };
    268 
    269 cdev_decl(wskbd);
    270 
    271 #if NWSMUX > 0 || NWSDISPLAY > 0
    272 struct wsmuxops wskbd_muxops = {
    273 	wskbdopen, wskbddoclose, wskbddoioctl, wskbd_displayioctl,
    274 	wskbd_set_display
    275 };
    276 #endif
    277 
    278 #if NWSDISPLAY > 0
    279 static void wskbd_repeat __P((void *v));
    280 #endif
    281 
    282 static int wskbd_console_initted;
    283 static struct wskbd_softc *wskbd_console_device;
    284 static struct wskbd_internal wskbd_console_data;
    285 
    286 static void wskbd_update_layout __P((struct wskbd_internal *, kbd_t));
    287 
    288 static void
    289 wskbd_update_layout(id, enc)
    290 	struct wskbd_internal *id;
    291 	kbd_t enc;
    292 {
    293 
    294 	if (enc & KB_METAESC)
    295 		id->t_flags |= WSKFL_METAESC;
    296 	else
    297 		id->t_flags &= ~WSKFL_METAESC;
    298 }
    299 
    300 /*
    301  * Print function (for parent devices).
    302  */
    303 int
    304 wskbddevprint(aux, pnp)
    305 	void *aux;
    306 	const char *pnp;
    307 {
    308 #if 0
    309 	struct wskbddev_attach_args *ap = aux;
    310 #endif
    311 
    312 	if (pnp)
    313 		printf("wskbd at %s", pnp);
    314 #if 0
    315 	printf(" console %d", ap->console);
    316 #endif
    317 
    318 	return (UNCONF);
    319 }
    320 
    321 int
    322 wskbd_match(parent, match, aux)
    323 	struct device *parent;
    324 	struct cfdata *match;
    325 	void *aux;
    326 {
    327 	struct wskbddev_attach_args *ap = aux;
    328 
    329 	if (match->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) {
    330 		/*
    331 		 * If console-ness of device specified, either match
    332 		 * exactly (at high priority), or fail.
    333 		 */
    334 		if (match->wskbddevcf_console != 0 && ap->console != 0)
    335 			return (10);
    336 		else
    337 			return (0);
    338 	}
    339 
    340 	/* If console-ness unspecified, it wins. */
    341 	return (1);
    342 }
    343 
    344 void
    345 wskbd_attach(parent, self, aux)
    346 	struct device *parent, *self;
    347 	void *aux;
    348 {
    349 	struct wskbd_softc *sc = (struct wskbd_softc *)self;
    350 	struct wskbddev_attach_args *ap = aux;
    351 #if NWSMUX > 0 || NWSDISPLAY > 0
    352 	int mux;
    353 #endif
    354 
    355 #if NWSDISPLAY > 0
    356 	sc->sc_displaydv = NULL;
    357 #endif
    358 	sc->sc_isconsole = ap->console;
    359 
    360 #if NWSMUX > 0 || NWSDISPLAY > 0
    361 	mux = sc->sc_dv.dv_cfdata->wskbddevcf_mux;
    362 	if (sc->sc_isconsole && mux != WSKBDDEVCF_MUX_DEFAULT) {
    363 		printf(" (mux %d ignored for console)", mux);
    364 		mux = WSKBDDEVCF_MUX_DEFAULT;
    365 	}
    366 	if (mux != WSKBDDEVCF_MUX_DEFAULT)
    367 		printf(" mux %d", mux);
    368 #endif
    369 
    370 	if (ap->console) {
    371 		sc->id = &wskbd_console_data;
    372 	} else {
    373 		sc->id = malloc(sizeof(struct wskbd_internal),
    374 				M_DEVBUF, M_WAITOK);
    375 		bzero(sc->id, sizeof(struct wskbd_internal));
    376 		sc->id->t_keymap = ap->keymap;
    377 		wskbd_update_layout(sc->id, ap->keymap->layout);
    378 	}
    379 
    380 	sc->id->t_sc = sc;
    381 
    382 	sc->sc_accessops = ap->accessops;
    383 	sc->sc_accesscookie = ap->accesscookie;
    384 	sc->sc_ready = 0;				/* sanity */
    385 	sc->sc_repeating = 0;
    386 	sc->sc_translating = 1;
    387 	sc->sc_ledstate = -1; /* force update */
    388 
    389 	if (wskbd_load_keymap(sc->id->t_keymap,
    390 			      &sc->sc_map, &sc->sc_maplen) != 0)
    391 		panic("cannot load keymap");
    392 
    393 	sc->sc_layout = sc->id->t_keymap->layout;
    394 
    395 	/* set default bell and key repeat data */
    396 	sc->sc_bell_data = wskbd_default_bell_data;
    397 	sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data;
    398 
    399 	if (ap->console) {
    400 		KASSERT(wskbd_console_initted);
    401 		KASSERT(wskbd_console_device == NULL);
    402 
    403 		wskbd_console_device = sc;
    404 
    405 		printf(": console keyboard");
    406 
    407 #if NWSDISPLAY > 0
    408 		if ((sc->sc_displaydv = wsdisplay_set_console_kbd(self)))
    409 			printf(", using %s", sc->sc_displaydv->dv_xname);
    410 #endif
    411 	}
    412 	printf("\n");
    413 
    414 #if NWSMUX > 0
    415 	if (mux != WSKBDDEVCF_MUX_DEFAULT)
    416 		wsmux_attach(mux, WSMUX_KBD, &sc->sc_dv, &sc->sc_events,
    417 			     &sc->sc_mux, &wskbd_muxops);
    418 #endif
    419 
    420 }
    421 
    422 void
    423 wskbd_cnattach(consops, conscookie, mapdata)
    424 	const struct wskbd_consops *consops;
    425 	void *conscookie;
    426 	const struct wskbd_mapdata *mapdata;
    427 {
    428 	KASSERT(!wskbd_console_initted);
    429 
    430 	wskbd_console_data.t_keymap = mapdata;
    431 	wskbd_update_layout(&wskbd_console_data, mapdata->layout);
    432 
    433 	wskbd_console_data.t_consops = consops;
    434 	wskbd_console_data.t_consaccesscookie = conscookie;
    435 
    436 #if NWSDISPLAY > 0
    437 	wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell);
    438 #endif
    439 
    440 	wskbd_console_initted = 1;
    441 }
    442 
    443 void
    444 wskbd_cndetach()
    445 {
    446 	KASSERT(wskbd_console_initted);
    447 
    448 	wskbd_console_data.t_keymap = 0;
    449 
    450 	wskbd_console_data.t_consops = 0;
    451 	wskbd_console_data.t_consaccesscookie = 0;
    452 
    453 #if NWSDISPLAY > 0
    454 	wsdisplay_unset_cons_kbd();
    455 #endif
    456 
    457 	wskbd_console_initted = 0;
    458 }
    459 
    460 #if NWSDISPLAY > 0
    461 static void
    462 wskbd_repeat(v)
    463 	void *v;
    464 {
    465 	struct wskbd_softc *sc = (struct wskbd_softc *)v;
    466 	int s = spltty();
    467 
    468 	if (!sc->sc_repeating) {
    469 		/*
    470 		 * race condition: a "key up" event came in when wskbd_repeat()
    471 		 * was already called but not yet spltty()'d
    472 		 */
    473 		splx(s);
    474 		return;
    475 	}
    476 	if (sc->sc_displaydv != NULL) {
    477 		int i;
    478 		for (i = 0; i < sc->sc_repeating; i++)
    479 			wsdisplay_kbdinput(sc->sc_displaydv,
    480 					   sc->id->t_symbols[i]);
    481 	}
    482 	timeout(wskbd_repeat, sc,
    483 		(hz * sc->sc_keyrepeat_data.delN) / 1000);
    484 	splx(s);
    485 }
    486 #endif
    487 
    488 int
    489 wskbd_activate(self, act)
    490 	struct device *self;
    491 	enum devact act;
    492 {
    493 	/* XXX should we do something more? */
    494 	return (0);
    495 }
    496 
    497 /*
    498  * Detach a keyboard.  To keep track of users of the softc we keep
    499  * a reference count that's incremented while inside, e.g., read.
    500  * If the keyboard is active and the reference count is > 0 (0 is the
    501  * normal state) we post an event and then wait for the process
    502  * that had the reference to wake us up again.  Then we blow away the
    503  * vnode and return (which will deallocate the softc).
    504  */
    505 int
    506 wskbd_detach(self, flags)
    507 	struct device  *self;
    508 	int flags;
    509 {
    510 	struct wskbd_softc *sc = (struct wskbd_softc *)self;
    511 	struct wseventvar *evar;
    512 	int maj, mn;
    513 	int s;
    514 #if NWSMUX > 0
    515 	int mux;
    516 
    517 	mux = sc->sc_dv.dv_cfdata->wskbddevcf_mux;
    518 	if (mux != WSMOUSEDEVCF_MUX_DEFAULT)
    519 		wsmux_detach(mux, &sc->sc_dv);
    520 #endif
    521 
    522 	evar = &sc->sc_events;
    523 	if (evar->io) {
    524 		s = spltty();
    525 		if (--sc->sc_refcnt >= 0) {
    526 			/* Wake everyone by generating a dummy event. */
    527 			if (++evar->put >= WSEVENT_QSIZE)
    528 				evar->put = 0;
    529 			WSEVENT_WAKEUP(evar);
    530 			/* Wait for processes to go away. */
    531 			if (tsleep(sc, PZERO, "wskdet", hz * 60))
    532 				printf("wskbd_detach: %s didn't detach\n",
    533 				       sc->sc_dv.dv_xname);
    534 		}
    535 		splx(s);
    536 	}
    537 
    538 	/* locate the major number */
    539 	for (maj = 0; maj < nchrdev; maj++)
    540 		if (cdevsw[maj].d_open == wskbdopen)
    541 			break;
    542 
    543 	/* Nuke the vnodes for any open instances. */
    544 	mn = self->dv_unit;
    545 	vdevgone(maj, mn, mn, VCHR);
    546 
    547 	return (0);
    548 }
    549 
    550 void
    551 wskbd_input(dev, type, value)
    552 	struct device *dev;
    553 	u_int type;
    554 	int value;
    555 {
    556 	struct wskbd_softc *sc = (struct wskbd_softc *)dev;
    557 	struct wscons_event *ev;
    558 	struct wseventvar *evar;
    559 	struct timeval xxxtime;
    560 #if NWSDISPLAY > 0
    561 	int num, i;
    562 #endif
    563 	int put;
    564 
    565 #if NWSDISPLAY > 0
    566 	if (sc->sc_repeating) {
    567 		sc->sc_repeating = 0;
    568 		untimeout(wskbd_repeat, sc);
    569 	}
    570 
    571 	/*
    572 	 * If /dev/wskbd is not connected in event mode translate and
    573 	 * send upstream.
    574 	 */
    575 	if (sc->sc_translating) {
    576 		num = wskbd_translate(sc->id, type, value);
    577 		if (num > 0) {
    578 			if (sc->sc_displaydv != NULL) {
    579 				for (i = 0; i < num; i++)
    580 					wsdisplay_kbdinput(sc->sc_displaydv,
    581 						sc->id->t_symbols[i]);
    582 			}
    583 
    584 			sc->sc_repeating = num;
    585 			timeout(wskbd_repeat, sc,
    586 				(hz * sc->sc_keyrepeat_data.del1) / 1000);
    587 		}
    588 		return;
    589 	}
    590 #endif
    591 
    592 	/*
    593 	 * Keyboard is generating events.  Turn this keystroke into an
    594 	 * event and put it in the queue.  If the queue is full, the
    595 	 * keystroke is lost (sorry!).
    596 	 */
    597 
    598 	/* no one to receive; punt!*/
    599 	if (!sc->sc_ready)
    600 		return;
    601 
    602 #if NWSMUX > 0
    603 	if (sc->sc_mux)
    604 		evar = &sc->sc_mux->sc_events;
    605 	else
    606 #endif
    607 		evar = &sc->sc_events;
    608 
    609 	put = evar->put;
    610 	ev = &evar->q[put];
    611 	put = (put + 1) % WSEVENT_QSIZE;
    612 	if (put == evar->get) {
    613 		log(LOG_WARNING, "%s: event queue overflow\n",
    614 		    sc->sc_dv.dv_xname);
    615 		return;
    616 	}
    617 	ev->type = type;
    618 	ev->value = value;
    619 	microtime(&xxxtime);
    620 	TIMEVAL_TO_TIMESPEC(&xxxtime, &ev->time);
    621 	evar->put = put;
    622 	WSEVENT_WAKEUP(evar);
    623 }
    624 
    625 #ifdef WSDISPLAY_COMPAT_RAWKBD
    626 void
    627 wskbd_rawinput(dev, buf, len)
    628 	struct device *dev;
    629 	u_char *buf;
    630 	int len;
    631 {
    632 #if NWSDISPLAY > 0
    633 	struct wskbd_softc *sc = (struct wskbd_softc *)dev;
    634 	int i;
    635 
    636 	for (i = 0; i < len; i++)
    637 		wsdisplay_kbdinput(sc->sc_displaydv, buf[i]);
    638 	/* this is KS_GROUP_Ascii */
    639 #endif
    640 }
    641 #endif /* WSDISPLAY_COMPAT_RAWKBD */
    642 
    643 #if NWSDISPLAY > 0
    644 static void
    645 wskbd_holdscreen(sc, hold)
    646 	struct wskbd_softc *sc;
    647 	int hold;
    648 {
    649 	int new_state;
    650 
    651 	if (sc->sc_displaydv != NULL) {
    652 		wsdisplay_kbdholdscreen(sc->sc_displaydv, hold);
    653 		new_state = sc->sc_ledstate;
    654 		if (hold)
    655 			new_state |= WSKBD_LED_SCROLL;
    656 		else
    657 			new_state &= ~WSKBD_LED_SCROLL;
    658 		if (new_state != sc->sc_ledstate) {
    659 			(*sc->sc_accessops->set_leds)(sc->sc_accesscookie,
    660 						      new_state);
    661 			sc->sc_ledstate = new_state;
    662 		}
    663 	}
    664 }
    665 #endif
    666 
    667 static int
    668 wskbd_enable(sc, on)
    669 	struct wskbd_softc *sc;
    670 	int on;
    671 {
    672 	int res;
    673 
    674 	/* XXX reference count? */
    675 	if (!on && (!sc->sc_translating
    676 #if NWSDISPLAY > 0
    677 		    || sc->sc_displaydv
    678 #endif
    679 		))
    680 		return (EBUSY);
    681 
    682 	res = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on);
    683 	return (res);
    684 }
    685 
    686 int
    687 wskbdopen(dev, flags, mode, p)
    688 	dev_t dev;
    689 	int flags, mode;
    690 	struct proc *p;
    691 {
    692 	struct wskbd_softc *sc;
    693 	int unit;
    694 
    695 	unit = minor(dev);
    696 	if (unit >= wskbd_cd.cd_ndevs ||	/* make sure it was attached */
    697 	    (sc = wskbd_cd.cd_devs[unit]) == NULL)
    698 		return (ENXIO);
    699 
    700 	if (sc->sc_dying)
    701 		return (EIO);
    702 
    703 	if (!(flags & FREAD)) {
    704 		/* Not opening for read, only ioctl is available. */
    705 		return (0);
    706 	}
    707 
    708 #if NWSMUX > 0
    709 	if (sc->sc_mux)
    710 		return (EBUSY);
    711 #endif
    712 
    713 	if (sc->sc_events.io)			/* and that it's not in use */
    714 		return (EBUSY);
    715 
    716 	sc->sc_events.io = p;
    717 	wsevent_init(&sc->sc_events);		/* may cause sleep */
    718 
    719 	sc->sc_translating = 0;
    720 	sc->sc_ready = 1;			/* start accepting events */
    721 
    722 	wskbd_enable(sc, 1);
    723 	return (0);
    724 }
    725 
    726 int
    727 wskbdclose(dev, flags, mode, p)
    728 	dev_t dev;
    729 	int flags, mode;
    730 	struct proc *p;
    731 {
    732 	return (wskbddoclose(wskbd_cd.cd_devs[minor(dev)], flags, mode, p));
    733 }
    734 
    735 int
    736 wskbddoclose(dv, flags, mode, p)
    737 	struct device *dv;
    738 	int flags, mode;
    739 	struct proc *p;
    740 {
    741 	struct wskbd_softc *sc = (struct wskbd_softc *)dv;
    742 
    743 	if (!(flags & FREAD)) {
    744 		/* Nothing to do, because open didn't do anything. */
    745 		return (0);
    746 	}
    747 
    748 	sc->sc_ready = 0;			/* stop accepting events */
    749 	sc->sc_translating = 1;
    750 
    751 	wsevent_fini(&sc->sc_events);
    752 	sc->sc_events.io = NULL;
    753 
    754 	wskbd_enable(sc, 0);
    755 	return (0);
    756 }
    757 
    758 int
    759 wskbdread(dev, uio, flags)
    760 	dev_t dev;
    761 	struct uio *uio;
    762 	int flags;
    763 {
    764 	struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
    765 	int error;
    766 
    767 	if (sc->sc_dying)
    768 		return (EIO);
    769 
    770 	sc->sc_refcnt++;
    771 	error = wsevent_read(&sc->sc_events, uio, flags);
    772 	if (--sc->sc_refcnt < 0) {
    773 		wakeup(sc);
    774 		error = EIO;
    775 	}
    776 	return (error);
    777 }
    778 
    779 int
    780 wskbdioctl(dev, cmd, data, flag, p)
    781 	dev_t dev;
    782 	u_long cmd;
    783 	caddr_t data;
    784 	int flag;
    785 	struct proc *p;
    786 {
    787 	return (wskbddoioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,p));
    788 }
    789 
    790 /* A wrapper around the ioctl() workhorse to make reference counting easy. */
    791 int
    792 wskbddoioctl(dv, cmd, data, flag, p)
    793 	struct device *dv;
    794 	u_long cmd;
    795 	caddr_t data;
    796 	int flag;
    797 	struct proc *p;
    798 {
    799 	struct wskbd_softc *sc = (struct wskbd_softc *)dv;
    800 	int error;
    801 
    802 	sc->sc_refcnt++;
    803 	error = wskbd_do_ioctl(sc, cmd, data, flag, p);
    804 	if (--sc->sc_refcnt < 0)
    805 		wakeup(sc);
    806 	return (error);
    807 }
    808 
    809 int
    810 wskbd_do_ioctl(sc, cmd, data, flag, p)
    811 	struct wskbd_softc *sc;
    812 	u_long cmd;
    813 	caddr_t data;
    814 	int flag;
    815 	struct proc *p;
    816 {
    817 	int error;
    818 
    819 	/*
    820 	 * Try the generic ioctls that the wskbd interface supports.
    821 	 */
    822 	switch (cmd) {
    823 	case FIONBIO:		/* we will remove this someday (soon???) */
    824 		return (0);
    825 
    826 	case FIOASYNC:
    827 		sc->sc_events.async = *(int *)data != 0;
    828 		return (0);
    829 
    830 	case TIOCSPGRP:
    831 		if (*(int *)data != sc->sc_events.io->p_pgid)
    832 			return (EPERM);
    833 		return (0);
    834 	}
    835 
    836 	/*
    837 	 * Try the keyboard driver for WSKBDIO ioctls.  It returns -1
    838 	 * if it didn't recognize the request.
    839 	 */
    840 	error = wskbd_displayioctl((struct device *)sc, cmd, data, flag, p);
    841 	return (error != -1 ? error : ENOTTY);
    842 }
    843 
    844 /*
    845  * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode.
    846  * Some of these have no real effect in raw mode, however.
    847  */
    848 static int
    849 wskbd_displayioctl(dev, cmd, data, flag, p)
    850 	struct device *dev;
    851 	u_long cmd;
    852 	caddr_t data;
    853 	int flag;
    854 	struct proc *p;
    855 {
    856 	struct wskbd_softc *sc = (struct wskbd_softc *)dev;
    857 	struct wskbd_bell_data *ubdp, *kbdp;
    858 	struct wskbd_keyrepeat_data *ukdp, *kkdp;
    859 	struct wskbd_map_data *umdp;
    860 	struct wskbd_mapdata md;
    861 	kbd_t enc;
    862 	void *buf;
    863 	int len, error;
    864 
    865 	switch (cmd) {
    866 #define	SETBELL(dstp, srcp, dfltp)					\
    867     do {								\
    868 	(dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ?		\
    869 	    (srcp)->pitch : (dfltp)->pitch;				\
    870 	(dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ?	\
    871 	    (srcp)->period : (dfltp)->period;				\
    872 	(dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ?	\
    873 	    (srcp)->volume : (dfltp)->volume;				\
    874 	(dstp)->which = WSKBD_BELL_DOALL;				\
    875     } while (0)
    876 
    877 	case WSKBDIO_BELL:
    878 		if ((flag & FWRITE) == 0)
    879 			return (EACCES);
    880 		return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
    881 		    WSKBDIO_COMPLEXBELL, (caddr_t)&sc->sc_bell_data, flag, p));
    882 
    883 	case WSKBDIO_COMPLEXBELL:
    884 		if ((flag & FWRITE) == 0)
    885 			return (EACCES);
    886 		ubdp = (struct wskbd_bell_data *)data;
    887 		SETBELL(ubdp, ubdp, &sc->sc_bell_data);
    888 		return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie,
    889 		    WSKBDIO_COMPLEXBELL, (caddr_t)ubdp, flag, p));
    890 
    891 	case WSKBDIO_SETBELL:
    892 		if ((flag & FWRITE) == 0)
    893 			return (EACCES);
    894 		kbdp = &sc->sc_bell_data;
    895 setbell:
    896 		ubdp = (struct wskbd_bell_data *)data;
    897 		SETBELL(kbdp, ubdp, kbdp);
    898 		return (0);
    899 
    900 	case WSKBDIO_GETBELL:
    901 		kbdp = &sc->sc_bell_data;
    902 getbell:
    903 		ubdp = (struct wskbd_bell_data *)data;
    904 		SETBELL(ubdp, kbdp, kbdp);
    905 		return (0);
    906 
    907 	case WSKBDIO_SETDEFAULTBELL:
    908 		if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
    909 			return (error);
    910 		kbdp = &wskbd_default_bell_data;
    911 		goto setbell;
    912 
    913 
    914 	case WSKBDIO_GETDEFAULTBELL:
    915 		kbdp = &wskbd_default_bell_data;
    916 		goto getbell;
    917 
    918 #undef SETBELL
    919 
    920 #define	SETKEYREPEAT(dstp, srcp, dfltp)					\
    921     do {								\
    922 	(dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ?	\
    923 	    (srcp)->del1 : (dfltp)->del1;				\
    924 	(dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ?	\
    925 	    (srcp)->delN : (dfltp)->delN;				\
    926 	(dstp)->which = WSKBD_KEYREPEAT_DOALL;				\
    927     } while (0)
    928 
    929 	case WSKBDIO_SETKEYREPEAT:
    930 		if ((flag & FWRITE) == 0)
    931 			return (EACCES);
    932 		kkdp = &sc->sc_keyrepeat_data;
    933 setkeyrepeat:
    934 		ukdp = (struct wskbd_keyrepeat_data *)data;
    935 		SETKEYREPEAT(kkdp, ukdp, kkdp);
    936 		return (0);
    937 
    938 	case WSKBDIO_GETKEYREPEAT:
    939 		kkdp = &sc->sc_keyrepeat_data;
    940 getkeyrepeat:
    941 		ukdp = (struct wskbd_keyrepeat_data *)data;
    942 		SETKEYREPEAT(ukdp, kkdp, kkdp);
    943 		return (0);
    944 
    945 	case WSKBDIO_SETDEFAULTKEYREPEAT:
    946 		if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
    947 			return (error);
    948 		kkdp = &wskbd_default_keyrepeat_data;
    949 		goto setkeyrepeat;
    950 
    951 
    952 	case WSKBDIO_GETDEFAULTKEYREPEAT:
    953 		kkdp = &wskbd_default_keyrepeat_data;
    954 		goto getkeyrepeat;
    955 
    956 #undef SETKEYREPEAT
    957 
    958 	case WSKBDIO_SETMAP:
    959 		if ((flag & FWRITE) == 0)
    960 			return (EACCES);
    961 		umdp = (struct wskbd_map_data *)data;
    962 		len = umdp->maplen*sizeof(struct wscons_keymap);
    963 		buf = malloc(len, M_TEMP, M_WAITOK);
    964 		error = copyin(umdp->map, buf, len);
    965 		if (error == 0) {
    966 			wskbd_init_keymap(umdp->maplen,
    967 					  &sc->sc_map, &sc->sc_maplen);
    968 			memcpy(sc->sc_map, buf, len);
    969 			/* drop the variant bits handled by the map */
    970 			sc->sc_layout = KB_USER |
    971 			      (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD);
    972 			wskbd_update_layout(sc->id, sc->sc_layout);
    973 		}
    974 		free(buf, M_TEMP);
    975 		return(error);
    976 
    977 	case WSKBDIO_GETMAP:
    978 		umdp = (struct wskbd_map_data *)data;
    979 		if (umdp->maplen > sc->sc_maplen)
    980 			umdp->maplen = sc->sc_maplen;
    981 		error = copyout(sc->sc_map, umdp->map,
    982 				umdp->maplen*sizeof(struct wscons_keymap));
    983 		return(error);
    984 
    985 	case WSKBDIO_GETENCODING:
    986 		*((kbd_t *) data) = sc->sc_layout;
    987 		return(0);
    988 
    989 	case WSKBDIO_SETENCODING:
    990 		if ((flag & FWRITE) == 0)
    991 			return (EACCES);
    992 		enc = *((kbd_t *)data);
    993 		if (KB_ENCODING(enc) == KB_USER) {
    994 			/* user map must already be loaded */
    995 			if (KB_ENCODING(sc->sc_layout) != KB_USER)
    996 				return (EINVAL);
    997 			/* map variants make no sense */
    998 			if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD)
    999 				return (EINVAL);
   1000 		} else {
   1001 			md = *(sc->id->t_keymap); /* structure assignment */
   1002 			md.layout = enc;
   1003 			error = wskbd_load_keymap(&md, &sc->sc_map,
   1004 						  &sc->sc_maplen);
   1005 			if (error)
   1006 				return (error);
   1007 		}
   1008 		sc->sc_layout = enc;
   1009 		wskbd_update_layout(sc->id, enc);
   1010 		return (0);
   1011 	}
   1012 
   1013 	/*
   1014 	 * Try the keyboard driver for WSKBDIO ioctls.  It returns -1
   1015 	 * if it didn't recognize the request, and in turn we return
   1016 	 * -1 if we didn't recognize the request.
   1017 	 */
   1018 /* printf("kbdaccess\n"); */
   1019 	error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
   1020 					   flag, p);
   1021 #ifdef WSDISPLAY_COMPAT_RAWKBD
   1022 	if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) {
   1023 		int s = spltty();
   1024 		sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
   1025 					 | MOD_CONTROL_L | MOD_CONTROL_R
   1026 					 | MOD_META_L | MOD_META_R
   1027 					 | MOD_COMMAND
   1028 					 | MOD_COMMAND1 | MOD_COMMAND2);
   1029 #if NWSDISPLAY > 0
   1030 		if (sc->sc_repeating) {
   1031 			sc->sc_repeating = 0;
   1032 			untimeout(wskbd_repeat, sc);
   1033 		}
   1034 #endif
   1035 		splx(s);
   1036 	}
   1037 #endif
   1038 	return (error);
   1039 }
   1040 
   1041 int
   1042 wskbdpoll(dev, events, p)
   1043 	dev_t dev;
   1044 	int events;
   1045 	struct proc *p;
   1046 {
   1047 	struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)];
   1048 
   1049 	return (wsevent_poll(&sc->sc_events, events, p));
   1050 }
   1051 
   1052 #if NWSDISPLAY > 0
   1053 
   1054 int
   1055 wskbd_pickfree()
   1056 {
   1057 	int i;
   1058 	struct wskbd_softc *sc;
   1059 
   1060 	for (i = 0; i < wskbd_cd.cd_ndevs; i++) {
   1061 		if ((sc = wskbd_cd.cd_devs[i]) == NULL)
   1062 			continue;
   1063 		if (sc->sc_displaydv == NULL)
   1064 			return (i);
   1065 	}
   1066 	return (-1);
   1067 }
   1068 
   1069 struct device *
   1070 wskbd_set_console_display(displaydv, muxsc)
   1071 	struct device *displaydv;
   1072 	struct wsmux_softc *muxsc;
   1073 {
   1074 	struct wskbd_softc *sc = wskbd_console_device;
   1075 
   1076 	if (!sc)
   1077 		return (0);
   1078 	sc->sc_displaydv = displaydv;
   1079 	(void)wsmux_attach_sc(muxsc, WSMUX_KBD, &sc->sc_dv, &sc->sc_events,
   1080 			      &sc->sc_mux, &wskbd_muxops);
   1081 	return (&sc->sc_dv);
   1082 }
   1083 
   1084 int
   1085 wskbd_set_display(dv, muxsc)
   1086 	struct device *dv;
   1087 	struct wsmux_softc *muxsc;
   1088 {
   1089 	struct wskbd_softc *sc = (struct wskbd_softc *)dv;
   1090 	struct device *displaydv = muxsc ? muxsc->sc_displaydv : 0;
   1091 	struct device *odisplaydv;
   1092 	int error;
   1093 
   1094 	DPRINTF(("wskbd_set_display: %s mux=%p disp=%p odisp=%p cons=%d\n",
   1095 		 dv->dv_xname, muxsc, sc->sc_displaydv, displaydv,
   1096 		 sc->sc_isconsole));
   1097 
   1098 	if (sc->sc_isconsole)
   1099 		return (EBUSY);
   1100 
   1101 	if (displaydv) {
   1102 		if (sc->sc_displaydv)
   1103 			return (EBUSY);
   1104 	} else {
   1105 		if (sc->sc_displaydv == NULL)
   1106 			return (ENXIO);
   1107 	}
   1108 
   1109 	odisplaydv = sc->sc_displaydv;
   1110 	sc->sc_displaydv = displaydv;
   1111 
   1112 	error = wskbd_enable(sc, displaydv != NULL);
   1113 	if (error) {
   1114 		sc->sc_displaydv = odisplaydv;
   1115 		return (error);
   1116 	}
   1117 
   1118 	if (displaydv)
   1119 		printf("%s: connecting to %s\n",
   1120 		       sc->sc_dv.dv_xname, displaydv->dv_xname);
   1121 	else
   1122 		printf("%s: disconnecting from %s\n",
   1123 		       sc->sc_dv.dv_xname, odisplaydv->dv_xname);
   1124 
   1125 	return (0);
   1126 }
   1127 
   1128 int
   1129 wskbd_add_mux(unit, muxsc)
   1130 	int unit;
   1131 	struct wsmux_softc *muxsc;
   1132 {
   1133 	struct wskbd_softc *sc;
   1134 
   1135 	DPRINTF(("wskbd_add_mux: %d %s %p\n", unit, muxsc->sc_dv.dv_xname,
   1136 		 muxsc->sc_displaydv));
   1137 	if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
   1138 	    (sc = wskbd_cd.cd_devs[unit]) == NULL)
   1139 		return (ENXIO);
   1140 
   1141 	if (sc->sc_mux || sc->sc_events.io)
   1142 		return (EBUSY);
   1143 
   1144 	return (wsmux_attach_sc(muxsc, WSMUX_KBD, &sc->sc_dv, &sc->sc_events,
   1145 				&sc->sc_mux, &wskbd_muxops));
   1146 }
   1147 
   1148 int
   1149 wskbd_rem_mux(unit, muxsc)
   1150 	int unit;
   1151 	struct wsmux_softc *muxsc;
   1152 {
   1153 	struct wskbd_softc *sc;
   1154 
   1155 	DPRINTF(("wskbd_rem_mux: %d %s\n", unit, muxsc->sc_dv.dv_xname));
   1156 	if (unit < 0 || unit >= wskbd_cd.cd_ndevs ||
   1157 	    (sc = wskbd_cd.cd_devs[unit]) == NULL)
   1158 		return (ENXIO);
   1159 
   1160 	return (wsmux_detach_sc(muxsc, &sc->sc_dv));
   1161 }
   1162 
   1163 #endif /* NWSDISPLAY > 0 */
   1164 
   1165 /*
   1166  * Console interface.
   1167  */
   1168 int
   1169 wskbd_cngetc(dev)
   1170 	dev_t dev;
   1171 {
   1172 	static int num = 0;
   1173 	static int pos;
   1174 	u_int type;
   1175 	int data;
   1176 	keysym_t ks;
   1177 
   1178 	if (!wskbd_console_initted)
   1179 		return 0;
   1180 
   1181 	if (wskbd_console_device != NULL &&
   1182 	    !wskbd_console_device->sc_translating)
   1183 		return 0;
   1184 
   1185 	for(;;) {
   1186 		if (num-- > 0) {
   1187 			ks = wskbd_console_data.t_symbols[pos++];
   1188 			if (KS_GROUP(ks) == KS_GROUP_Ascii)
   1189 				return (KS_VALUE(ks));
   1190 		} else {
   1191 			(*wskbd_console_data.t_consops->getc)
   1192 				(wskbd_console_data.t_consaccesscookie,
   1193 				 &type, &data);
   1194 			num = wskbd_translate(&wskbd_console_data, type, data);
   1195 			pos = 0;
   1196 		}
   1197 	}
   1198 }
   1199 
   1200 void
   1201 wskbd_cnpollc(dev, poll)
   1202 	dev_t dev;
   1203 	int poll;
   1204 {
   1205 
   1206 	if (!wskbd_console_initted)
   1207 		return;
   1208 
   1209 	if (wskbd_console_device != NULL &&
   1210 	    !wskbd_console_device->sc_translating)
   1211 		return;
   1212 
   1213 	(*wskbd_console_data.t_consops->pollc)
   1214 	    (wskbd_console_data.t_consaccesscookie, poll);
   1215 }
   1216 
   1217 void
   1218 wskbd_cnbell(dev, pitch, period, volume)
   1219 	dev_t dev;
   1220 	u_int pitch, period, volume;
   1221 {
   1222 
   1223 	if (!wskbd_console_initted)
   1224 		return;
   1225 
   1226 	if (wskbd_console_data.t_consops->bell != NULL)
   1227 		(*wskbd_console_data.t_consops->bell)
   1228 		    (wskbd_console_data.t_consaccesscookie, pitch, period,
   1229 			volume);
   1230 }
   1231 
   1232 static inline void
   1233 update_leds(id)
   1234 	struct wskbd_internal *id;
   1235 {
   1236 	int new_state;
   1237 
   1238 	new_state = 0;
   1239 	if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK))
   1240 		new_state |= WSKBD_LED_CAPS;
   1241 	if (id->t_modifiers & MOD_NUMLOCK)
   1242 		new_state |= WSKBD_LED_NUM;
   1243 	if (id->t_modifiers & MOD_COMPOSE)
   1244 		new_state |= WSKBD_LED_COMPOSE;
   1245 	if (id->t_modifiers & MOD_HOLDSCREEN)
   1246 		new_state |= WSKBD_LED_SCROLL;
   1247 
   1248 	if (id->t_sc && new_state != id->t_sc->sc_ledstate) {
   1249 		(*id->t_sc->sc_accessops->set_leds)
   1250 		    (id->t_sc->sc_accesscookie, new_state);
   1251 		id->t_sc->sc_ledstate = new_state;
   1252 	}
   1253 }
   1254 
   1255 static inline void
   1256 update_modifier(id, type, toggle, mask)
   1257 	struct wskbd_internal *id;
   1258 	u_int type;
   1259 	int toggle;
   1260 	int mask;
   1261 {
   1262 	if (toggle) {
   1263 		if (type == WSCONS_EVENT_KEY_DOWN)
   1264 			id->t_modifiers ^= mask;
   1265 	} else {
   1266 		if (type == WSCONS_EVENT_KEY_DOWN)
   1267 			id->t_modifiers |= mask;
   1268 		else
   1269 			id->t_modifiers &= ~mask;
   1270 	}
   1271 }
   1272 
   1273 static int
   1274 internal_command(sc, type, ksym)
   1275 	struct wskbd_softc *sc;
   1276 	u_int *type;
   1277 	keysym_t ksym;
   1278 {
   1279 	switch (ksym) {
   1280 	case KS_Cmd:
   1281 		update_modifier(sc->id, *type, 0, MOD_COMMAND);
   1282 		break;
   1283 
   1284 	case KS_Cmd1:
   1285 		update_modifier(sc->id, *type, 0, MOD_COMMAND1);
   1286 		break;
   1287 
   1288 	case KS_Cmd2:
   1289 		update_modifier(sc->id, *type, 0, MOD_COMMAND2);
   1290 		break;
   1291 	}
   1292 
   1293 	if (*type != WSCONS_EVENT_KEY_DOWN ||
   1294 	    (! MOD_ONESET(sc->id, MOD_COMMAND) &&
   1295 	     ! MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)))
   1296 		return (0);
   1297 
   1298 	switch (ksym) {
   1299 #ifdef DDB
   1300 	case KS_Cmd_Debugger:
   1301 		if (sc->sc_isconsole)
   1302 			console_debugger();
   1303 		/* discard this key (ddb discarded command modifiers) */
   1304 		*type = WSCONS_EVENT_KEY_UP;
   1305 		return (1);
   1306 #endif
   1307 
   1308 #if NWSDISPLAY > 0
   1309 	case KS_Cmd_Screen0:
   1310 	case KS_Cmd_Screen1:
   1311 	case KS_Cmd_Screen2:
   1312 	case KS_Cmd_Screen3:
   1313 	case KS_Cmd_Screen4:
   1314 	case KS_Cmd_Screen5:
   1315 	case KS_Cmd_Screen6:
   1316 	case KS_Cmd_Screen7:
   1317 	case KS_Cmd_Screen8:
   1318 	case KS_Cmd_Screen9:
   1319 		wsdisplay_switch(sc->sc_displaydv, ksym - KS_Cmd_Screen0, 0);
   1320 		return (1);
   1321 	case KS_Cmd_ResetEmul:
   1322 		wsdisplay_reset(sc->sc_displaydv, WSDISPLAY_RESETEMUL);
   1323 		return (1);
   1324 	case KS_Cmd_ResetClose:
   1325 		wsdisplay_reset(sc->sc_displaydv, WSDISPLAY_RESETCLOSE);
   1326 		return (1);
   1327 #endif
   1328 	}
   1329 	return (0);
   1330 }
   1331 
   1332 static int
   1333 wskbd_translate(id, type, value)
   1334 	struct wskbd_internal *id;
   1335 	u_int type;
   1336 	int value;
   1337 {
   1338 	struct wskbd_softc *sc = id->t_sc;
   1339 	keysym_t ksym, res, *group;
   1340 	struct wscons_keymap kpbuf, *kp;
   1341 	int iscommand = 0;
   1342 
   1343 	if (type == WSCONS_EVENT_ALL_KEYS_UP) {
   1344 		id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R
   1345 				| MOD_CONTROL_L | MOD_CONTROL_R
   1346 				| MOD_META_L | MOD_META_R
   1347 				| MOD_MODESHIFT
   1348 				| MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2);
   1349 		update_leds(id);
   1350 		return (0);
   1351 	}
   1352 
   1353 	if (sc != NULL) {
   1354 		if (value < 0 || value >= sc->sc_maplen) {
   1355 #ifdef DEBUG
   1356 			printf("wskbd_translate: keycode %d out of range\n",
   1357 			       value);
   1358 #endif
   1359 			return (0);
   1360 		}
   1361 		kp = sc->sc_map + value;
   1362 	} else {
   1363 		kp = &kpbuf;
   1364 		wskbd_get_mapentry(id->t_keymap, value, kp);
   1365 	}
   1366 
   1367 	/* if this key has a command, process it first */
   1368 	if (sc != NULL && kp->command != KS_voidSymbol)
   1369 		iscommand = internal_command(sc, &type, kp->command);
   1370 
   1371 	/* Now update modifiers */
   1372 	switch (kp->group1[0]) {
   1373 	case KS_Shift_L:
   1374 		update_modifier(id, type, 0, MOD_SHIFT_L);
   1375 		break;
   1376 
   1377 	case KS_Shift_R:
   1378 		update_modifier(id, type, 0, MOD_SHIFT_R);
   1379 		break;
   1380 
   1381 	case KS_Shift_Lock:
   1382 		update_modifier(id, type, 1, MOD_SHIFTLOCK);
   1383 		break;
   1384 
   1385 	case KS_Caps_Lock:
   1386 		update_modifier(id, type, 1, MOD_CAPSLOCK);
   1387 		break;
   1388 
   1389 	case KS_Control_L:
   1390 		update_modifier(id, type, 0, MOD_CONTROL_L);
   1391 		break;
   1392 
   1393 	case KS_Control_R:
   1394 		update_modifier(id, type, 0, MOD_CONTROL_R);
   1395 		break;
   1396 
   1397 	case KS_Alt_L:
   1398 		update_modifier(id, type, 0, MOD_META_L);
   1399 		break;
   1400 
   1401 	case KS_Alt_R:
   1402 		update_modifier(id, type, 0, MOD_META_R);
   1403 		break;
   1404 
   1405 	case KS_Mode_switch:
   1406 		update_modifier(id, type, 0, MOD_MODESHIFT);
   1407 		break;
   1408 
   1409 	case KS_Num_Lock:
   1410 		update_modifier(id, type, 1, MOD_NUMLOCK);
   1411 		break;
   1412 
   1413 #if NWSDISPLAY > 0
   1414 	case KS_Hold_Screen:
   1415 		if (sc != NULL) {
   1416 			update_modifier(id, type, 1, MOD_HOLDSCREEN);
   1417 			wskbd_holdscreen(sc, id->t_modifiers & MOD_HOLDSCREEN);
   1418 		}
   1419 		break;
   1420 #endif
   1421 	}
   1422 
   1423 	/* If this is a key release or we are in command mode, we are done */
   1424 	if (type != WSCONS_EVENT_KEY_DOWN || iscommand) {
   1425 		update_leds(id);
   1426 		return (0);
   1427 	}
   1428 
   1429 	/* Get the keysym */
   1430 	if (id->t_modifiers & MOD_MODESHIFT)
   1431 		group = & kp->group2[0];
   1432 	else
   1433 		group = & kp->group1[0];
   1434 
   1435 	if ((id->t_modifiers & MOD_NUMLOCK) != 0 &&
   1436 	    KS_GROUP(group[1]) == KS_GROUP_Keypad) {
   1437 		if (MOD_ONESET(id, MOD_ANYSHIFT))
   1438 			ksym = group[0];
   1439 		else
   1440 			ksym = group[1];
   1441 	} else if (! MOD_ONESET(id, MOD_ANYSHIFT | MOD_CAPSLOCK)) {
   1442 		ksym = group[0];
   1443 	} else if (MOD_ONESET(id, MOD_CAPSLOCK)) {
   1444 		if (! MOD_ONESET(id, MOD_SHIFT_L | MOD_SHIFT_R))
   1445 			ksym = group[0];
   1446 		else
   1447 			ksym = group[1];
   1448 		if (ksym >= KS_a && ksym <= KS_z)
   1449 			ksym += KS_A - KS_a;
   1450 		else if (ksym >= KS_agrave && ksym <= KS_thorn &&
   1451 			 ksym != KS_division)
   1452 			ksym += KS_Agrave - KS_agrave;
   1453 	} else if (MOD_ONESET(id, MOD_ANYSHIFT)) {
   1454 		ksym = group[1];
   1455 	} else {
   1456 		ksym = group[0];
   1457 	}
   1458 
   1459 	/* Process compose sequence and dead accents */
   1460 	res = KS_voidSymbol;
   1461 
   1462 	switch (KS_GROUP(ksym)) {
   1463 	case KS_GROUP_Ascii:
   1464 	case KS_GROUP_Keypad:
   1465 	case KS_GROUP_Function:
   1466 		res = ksym;
   1467 		break;
   1468 
   1469 	case KS_GROUP_Mod:
   1470 		if (ksym == KS_Multi_key) {
   1471 			update_modifier(id, 1, 0, MOD_COMPOSE);
   1472 			id->t_composelen = 2;
   1473 		}
   1474 		break;
   1475 
   1476 	case KS_GROUP_Dead:
   1477 		if (id->t_composelen == 0) {
   1478 			update_modifier(id, 1, 0, MOD_COMPOSE);
   1479 			id->t_composelen = 1;
   1480 			id->t_composebuf[0] = ksym;
   1481 		} else
   1482 			res = ksym;
   1483 		break;
   1484 	}
   1485 
   1486 	if (res == KS_voidSymbol) {
   1487 		update_leds(id);
   1488 		return (0);
   1489 	}
   1490 
   1491 	if (id->t_composelen > 0) {
   1492 		id->t_composebuf[2 - id->t_composelen] = res;
   1493 		if (--id->t_composelen == 0) {
   1494 			res = wskbd_compose_value(id->t_composebuf);
   1495 			update_modifier(id, 0, 0, MOD_COMPOSE);
   1496 		} else {
   1497 			return (0);
   1498 		}
   1499 	}
   1500 
   1501 	update_leds(id);
   1502 
   1503 	/* We are done, return the symbol */
   1504 	if (KS_GROUP(res) == KS_GROUP_Ascii) {
   1505 		if (MOD_ONESET(id, MOD_ANYCONTROL)) {
   1506 			if ((res >= KS_at && res <= KS_z) || res == KS_space)
   1507 				res = res & 0x1f;
   1508 			else if (res == KS_2)
   1509 				res = 0x00;
   1510 			else if (res >= KS_3 && res <= KS_7)
   1511 				res = KS_Escape + (res - KS_3);
   1512 			else if (res == KS_8)
   1513 				res = KS_Delete;
   1514 		}
   1515 		if (MOD_ONESET(id, MOD_ANYMETA)) {
   1516 			if (id->t_flags & WSKFL_METAESC) {
   1517 				id->t_symbols[0] = KS_Escape;
   1518 				id->t_symbols[1] = res;
   1519 				return (2);
   1520 			} else
   1521 				res |= 0x80;
   1522 		}
   1523 	}
   1524 
   1525 	id->t_symbols[0] = res;
   1526 	return (1);
   1527 }
   1528