xref: /netbsd/sys/dev/bluetooth/btkbd.c (revision beecddb6)
1 /*	$NetBSD: btkbd.c,v 1.21 2021/08/07 16:19:09 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson (lennart@augustsson.net) at
9  * Carlstedt Research & Technology.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*-
34  * Copyright (c) 2006 Itronix Inc.
35  * All rights reserved.
36  *
37  * Written by Iain Hibbert for Itronix Inc.
38  *
39  * Redistribution and use in source and binary forms, with or without
40  * modification, are permitted provided that the following conditions
41  * are met:
42  * 1. Redistributions of source code must retain the above copyright
43  *    notice, this list of conditions and the following disclaimer.
44  * 2. Redistributions in binary form must reproduce the above copyright
45  *    notice, this list of conditions and the following disclaimer in the
46  *    documentation and/or other materials provided with the distribution.
47  * 3. The name of Itronix Inc. may not be used to endorse
48  *    or promote products derived from this software without specific
49  *    prior written permission.
50  *
51  * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
53  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
54  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
55  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
56  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
57  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
58  * ON ANY THEORY OF LIABILITY, WHETHER IN
59  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
61  * POSSIBILITY OF SUCH DAMAGE.
62  */
63 
64 /*
65  * based on dev/usb/ukbd.c
66  */
67 
68 #include <sys/cdefs.h>
69 __KERNEL_RCSID(0, "$NetBSD: btkbd.c,v 1.21 2021/08/07 16:19:09 thorpej Exp $");
70 
71 #include <sys/param.h>
72 #include <sys/callout.h>
73 #include <sys/conf.h>
74 #include <sys/device.h>
75 #include <sys/kernel.h>
76 #include <sys/proc.h>
77 #include <sys/systm.h>
78 
79 #include <netbt/bluetooth.h>
80 
81 #include <dev/bluetooth/bthid.h>
82 #include <dev/bluetooth/bthidev.h>
83 
84 #include <dev/hid/hid.h>
85 #include <dev/usb/usb.h>
86 #include <dev/usb/usbhid.h>
87 
88 #include <dev/wscons/wsconsio.h>
89 #include <dev/wscons/wskbdvar.h>
90 #include <dev/wscons/wsksymdef.h>
91 #include <dev/wscons/wsksymvar.h>
92 
93 #include "opt_wsdisplay_compat.h"
94 #include "opt_btkbd.h"
95 
96 #define	MAXKEYCODE		6
97 #define MAXMOD			8	/* max 32 */
98 #define MAXKEYS			(MAXMOD + (2 * MAXKEYCODE))
99 
100 struct btkbd_data {
101 	uint32_t		modifiers;
102 	uint8_t			keycode[MAXKEYCODE];
103 };
104 
105 struct btkbd_mod {
106 	uint32_t		mask;
107 	uint8_t			key;
108 };
109 
110 struct btkbd_softc {
111 	struct bthidev		 sc_hidev;	/* device+ */
112 	device_t		 sc_wskbd;	/* child */
113 	int			 sc_enabled;
114 
115 	int			(*sc_output)	/* output method */
116 				(struct bthidev *, uint8_t *, int);
117 
118 	/* stored data */
119 	struct btkbd_data	 sc_odata;
120 	struct btkbd_data	 sc_ndata;
121 
122 	/* input reports */
123 	int			 sc_nmod;
124 	struct hid_location	 sc_modloc[MAXMOD];
125 	struct btkbd_mod	 sc_mods[MAXMOD];
126 
127 	int			 sc_nkeycode;
128 	struct hid_location	 sc_keycodeloc;
129 
130 	/* output reports */
131 	struct hid_location	 sc_numloc;
132 	struct hid_location	 sc_capsloc;
133 	struct hid_location	 sc_scroloc;
134 	int			 sc_leds;
135 
136 #ifdef WSDISPLAY_COMPAT_RAWKBD
137 	int			 sc_rawkbd;
138 #ifdef BTKBD_REPEAT
139 	callout_t		 sc_repeat;
140 	int			 sc_nrep;
141 	char			 sc_rep[MAXKEYS];
142 #endif
143 #endif
144 };
145 
146 /* autoconf(9) methods */
147 static int	btkbd_match(device_t, cfdata_t, void *);
148 static void	btkbd_attach(device_t, device_t, void *);
149 static int	btkbd_detach(device_t, int);
150 
151 CFATTACH_DECL_NEW(btkbd, sizeof(struct btkbd_softc),
152     btkbd_match, btkbd_attach, btkbd_detach, NULL);
153 
154 /* wskbd(4) accessops */
155 static int	btkbd_enable(void *, int);
156 static void	btkbd_set_leds(void *, int);
157 static int	btkbd_ioctl(void *, unsigned long, void *, int, struct lwp *);
158 
159 static const struct wskbd_accessops btkbd_accessops = {
160 	btkbd_enable,
161 	btkbd_set_leds,
162 	btkbd_ioctl
163 };
164 
165 /* wskbd(4) keymap data */
166 extern const struct wscons_keydesc hidkbd_keydesctab[];
167 
168 const struct wskbd_mapdata btkbd_keymapdata = {
169 	hidkbd_keydesctab,
170 #if defined(BTKBD_LAYOUT)
171 	BTKBD_LAYOUT,
172 #elif defined(PCKBD_LAYOUT)
173 	PCKBD_LAYOUT,
174 #else
175 	KB_US,
176 #endif
177 };
178 
179 /* bthid methods */
180 static void btkbd_input(struct bthidev *, uint8_t *, int);
181 
182 /* internal prototypes */
183 static const char *btkbd_parse_desc(struct btkbd_softc *, int, const void *, int);
184 
185 #ifdef WSDISPLAY_COMPAT_RAWKBD
186 #ifdef BTKBD_REPEAT
187 static void btkbd_repeat(void *);
188 #endif
189 #endif
190 
191 /*****************************************************************************
192  *
193  *	btkbd autoconf(9) routines
194  */
195 
196 static int
btkbd_match(device_t self,cfdata_t cfdata,void * aux)197 btkbd_match(device_t self, cfdata_t cfdata, void *aux)
198 {
199 	struct bthidev_attach_args *ba = aux;
200 
201 	if (hid_is_collection(ba->ba_desc, ba->ba_dlen, ba->ba_id,
202 			HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD)))
203 		return 1;
204 
205 	return 0;
206 }
207 
208 static void
btkbd_attach(device_t parent,device_t self,void * aux)209 btkbd_attach(device_t parent, device_t self, void *aux)
210 {
211 	struct btkbd_softc *sc = device_private(self);
212 	struct bthidev_attach_args *ba = aux;
213 	struct wskbddev_attach_args wska;
214 	const char *parserr;
215 
216 	sc->sc_output = ba->ba_output;
217 	ba->ba_input = btkbd_input;
218 
219 	parserr = btkbd_parse_desc(sc, ba->ba_id, ba->ba_desc, ba->ba_dlen);
220 	if (parserr != NULL) {
221 		aprint_error("%s\n", parserr);
222 		return;
223 	}
224 
225 	aprint_normal("\n");
226 
227 #ifdef WSDISPLAY_COMPAT_RAWKBD
228 #ifdef BTKBD_REPEAT
229 	callout_init(&sc->sc_repeat, 0);
230 	callout_setfunc(&sc->sc_repeat, btkbd_repeat, sc);
231 #endif
232 #endif
233 
234 	wska.console = 0;
235 	wska.keymap = &btkbd_keymapdata;
236 	wska.accessops = &btkbd_accessops;
237 	wska.accesscookie = sc;
238 
239 	sc->sc_wskbd = config_found(self, &wska, wskbddevprint, CFARGS_NONE);
240 
241 	pmf_device_register(self, NULL, NULL);
242 }
243 
244 static int
btkbd_detach(device_t self,int flags)245 btkbd_detach(device_t self, int flags)
246 {
247 	struct btkbd_softc *sc = device_private(self);
248 	int err = 0;
249 
250 	pmf_device_deregister(self);
251 
252 #ifdef WSDISPLAY_COMPAT_RAWKBD
253 #ifdef BTKBD_REPEAT
254 	callout_halt(&sc->sc_repeat, NULL);
255 	callout_destroy(&sc->sc_repeat);
256 #endif
257 #endif
258 
259 	if (sc->sc_wskbd != NULL) {
260 		err = config_detach(sc->sc_wskbd, flags);
261 		sc->sc_wskbd = NULL;
262 	}
263 
264 	return err;
265 }
266 
267 static const char *
btkbd_parse_desc(struct btkbd_softc * sc,int id,const void * desc,int dlen)268 btkbd_parse_desc(struct btkbd_softc *sc, int id, const void *desc, int dlen)
269 {
270 	struct hid_data *d;
271 	struct hid_item h;
272 	int imod;
273 
274 	imod = 0;
275 	sc->sc_nkeycode = 0;
276 	d = hid_start_parse(desc, dlen, hid_input);
277 	while (hid_get_item(d, &h)) {
278 		if (h.kind != hid_input || (h.flags & HIO_CONST) ||
279 		    HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
280 		    h.report_ID != id)
281 			continue;
282 
283 		if (h.flags & HIO_VARIABLE) {
284 			if (h.loc.size != 1) {
285 				hid_end_parse(d);
286 				return ("bad modifier size");
287 			}
288 
289 			/* Single item */
290 			if (imod < MAXMOD) {
291 				sc->sc_modloc[imod] = h.loc;
292 				sc->sc_mods[imod].mask = 1 << imod;
293 				sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
294 				imod++;
295 			} else {
296 				hid_end_parse(d);
297 				return ("too many modifier keys");
298 			}
299 		} else {
300 			/* Array */
301 			if (h.loc.size != 8) {
302 				hid_end_parse(d);
303 				return ("key code size != 8");
304 			}
305 			if (h.loc.count > MAXKEYCODE) {
306 				hid_end_parse(d);
307 				return ("too many key codes");
308 			}
309 			if (h.loc.pos % 8 != 0) {
310 				hid_end_parse(d);
311 				return ("key codes not on byte boundary");
312 			}
313 			if (sc->sc_nkeycode != 0) {
314 				hid_end_parse(d);
315 				return ("multiple key code arrays\n");
316 			}
317 			sc->sc_keycodeloc = h.loc;
318 			sc->sc_nkeycode = h.loc.count;
319 		}
320 	}
321 	sc->sc_nmod = imod;
322 	hid_end_parse(d);
323 
324 	hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
325 		   id, hid_output, &sc->sc_numloc, NULL);
326 
327 	hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
328 		   id, hid_output, &sc->sc_capsloc, NULL);
329 
330 	hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
331 		   id, hid_output, &sc->sc_scroloc, NULL);
332 
333 	return (NULL);
334 }
335 
336 /*****************************************************************************
337  *
338  *	wskbd(9) accessops
339  */
340 
341 static int
btkbd_enable(void * cookie,int on)342 btkbd_enable(void *cookie, int on)
343 {
344 	struct btkbd_softc *sc = cookie;
345 
346 	sc->sc_enabled = on;
347 	return 0;
348 }
349 
350 static void
btkbd_set_leds(void * cookie,int leds)351 btkbd_set_leds(void *cookie, int leds)
352 {
353 	struct btkbd_softc *sc = cookie;
354 	uint8_t report;
355 
356 	if (sc->sc_leds == leds)
357 		return;
358 
359 	sc->sc_leds = leds;
360 
361 	/*
362 	 * This is not totally correct, since we did not check the
363 	 * report size from the descriptor but for keyboards it should
364 	 * just be a single byte with the relevant bits set.
365 	 */
366 	report = 0;
367 	if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1)
368 		report |= 1 << sc->sc_scroloc.pos;
369 
370 	if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1)
371 		report |= 1 << sc->sc_numloc.pos;
372 
373 	if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1)
374 		report |= 1 << sc->sc_capsloc.pos;
375 
376 	if (sc->sc_output)
377 		(*sc->sc_output)(&sc->sc_hidev, &report, sizeof(report));
378 }
379 
380 static int
btkbd_ioctl(void * cookie,unsigned long cmd,void * data,int flag,struct lwp * l)381 btkbd_ioctl(void *cookie, unsigned long cmd, void *data, int flag,
382     struct lwp *l)
383 {
384 	struct btkbd_softc *sc = cookie;
385 
386 	switch (cmd) {
387 	case WSKBDIO_GTYPE:
388 		*(int *)data = WSKBD_TYPE_BLUETOOTH;
389 		break;
390 
391 	case WSKBDIO_SETLEDS:
392 		btkbd_set_leds(sc, *(int *)data);
393 		break;
394 
395 	case WSKBDIO_GETLEDS:
396 		*(int *)data = sc->sc_leds;
397 		break;
398 
399 #ifdef WSDISPLAY_COMPAT_RAWKBD
400 	case WSKBDIO_SETMODE:
401 		sc->sc_rawkbd = (*(int *)data == WSKBD_RAW);
402 #ifdef BTKBD_REPEAT
403 		callout_stop(&sc->sc_repeat);
404 #endif
405 		break;
406 #endif
407 
408 	default:
409 		return EPASSTHROUGH;
410 	}
411 
412 	return 0;
413 }
414 
415 /*****************************************************************************
416  *
417  *	btkbd input routine, called from our parent
418  */
419 
420 #ifdef WSDISPLAY_COMPAT_RAWKBD
421 #define NN 0			/* no translation */
422 /*
423  * Translate USB keycodes to US keyboard XT scancodes.
424  * Scancodes >= 0x80 represent EXTENDED keycodes.
425  *
426  * See http://www.microsoft.com/HWDEV/TECH/input/Scancode.asp
427  */
428 static const u_int8_t btkbd_trtab[256] = {
429       NN,   NN,   NN,   NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */
430     0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */
431     0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */
432     0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */
433     0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */
434     0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */
435     0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */
436     0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */
437     0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */
438     0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */
439     0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */
440     0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */
441     0x48, 0x49, 0x52, 0x53, 0x56, 0xdd,   NN, 0x59, /* 60 - 67 */
442     0x5d, 0x5e, 0x5f,   NN,   NN,   NN,   NN,   NN, /* 68 - 6f */
443       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 70 - 77 */
444       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 78 - 7f */
445       NN,   NN,   NN,   NN,   NN, 0x7e,   NN, 0x73, /* 80 - 87 */
446     0x70, 0x7d, 0x79, 0x7b, 0x5c,   NN,   NN,   NN, /* 88 - 8f */
447       NN,   NN, 0x78, 0x77, 0x76,   NN,   NN,   NN, /* 90 - 97 */
448       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 98 - 9f */
449       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a0 - a7 */
450       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a8 - af */
451       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b0 - b7 */
452       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b8 - bf */
453       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c0 - c7 */
454       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c8 - cf */
455       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d0 - d7 */
456       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d8 - df */
457     0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */
458       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* e8 - ef */
459       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f0 - f7 */
460       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f8 - ff */
461 };
462 #endif
463 
464 #define KEY_ERROR	0x01
465 #define PRESS		0x000
466 #define RELEASE		0x100
467 #define CODEMASK	0x0ff
468 #define ADDKEY(c)	ibuf[nkeys++] = (c)
469 #define REP_DELAY1	400
470 #define REP_DELAYN	100
471 
472 static void
btkbd_input(struct bthidev * hidev,uint8_t * data,int len)473 btkbd_input(struct bthidev *hidev, uint8_t *data, int len)
474 {
475 	struct btkbd_softc *sc = (struct btkbd_softc *)hidev;
476 	struct btkbd_data *ud = &sc->sc_ndata;
477 	uint16_t ibuf[MAXKEYS];
478 	uint32_t mod, omod;
479 	int nkeys, i, j;
480 	int key;
481 	int s;
482 
483 	if (sc->sc_wskbd == NULL || sc->sc_enabled == 0)
484 		return;
485 
486 	/* extract key modifiers */
487 	ud->modifiers = 0;
488 	for (i = 0 ; i < sc->sc_nmod ; i++)
489 		if (hid_get_data(data, &sc->sc_modloc[i]))
490 			ud->modifiers |= sc->sc_mods[i].mask;
491 
492 	/* extract keycodes */
493 	memcpy(ud->keycode, data + (sc->sc_keycodeloc.pos / 8),
494 	       sc->sc_nkeycode);
495 
496 	if (ud->keycode[0] == KEY_ERROR)
497 		return;		/* ignore  */
498 
499 	nkeys = 0;
500 	mod = ud->modifiers;
501 	omod = sc->sc_odata.modifiers;
502 	if (mod != omod)
503 		for (i = 0 ; i < sc->sc_nmod ; i++)
504 			if ((mod & sc->sc_mods[i].mask) !=
505 			    (omod & sc->sc_mods[i].mask))
506 				ADDKEY(sc->sc_mods[i].key |
507 				       (mod & sc->sc_mods[i].mask
508 					  ? PRESS : RELEASE));
509 
510 	if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) {
511 		/* Check for released keys. */
512 		for (i = 0 ; i < sc->sc_nkeycode ; i++) {
513 			key = sc->sc_odata.keycode[i];
514 			if (key == 0)
515 				continue;
516 
517 			for (j = 0 ; j < sc->sc_nkeycode ; j++)
518 				if (key == ud->keycode[j])
519 					goto rfound;
520 
521 			ADDKEY(key | RELEASE);
522 
523 		rfound:
524 			;
525 		}
526 
527 		/* Check for pressed keys. */
528 		for (i = 0 ; i < sc->sc_nkeycode ; i++) {
529 			key = ud->keycode[i];
530 			if (key == 0)
531 				continue;
532 
533 			for (j = 0; j < sc->sc_nkeycode; j++)
534 				if (key == sc->sc_odata.keycode[j])
535 					goto pfound;
536 
537 			ADDKEY(key | PRESS);
538 		pfound:
539 			;
540 		}
541 	}
542 	sc->sc_odata = *ud;
543 
544 	if (nkeys == 0)
545 		return;
546 
547 #ifdef WSDISPLAY_COMPAT_RAWKBD
548 	if (sc->sc_rawkbd) {
549 		u_char cbuf[MAXKEYS * 2];
550 		int c;
551 #ifdef BTKBD_REPEAT
552 		int npress = 0;
553 #endif
554 
555 		for (i = j = 0 ; i < nkeys ; i++) {
556 			key = ibuf[i];
557 			c = btkbd_trtab[key & CODEMASK];
558 			if (c == NN)
559 				continue;
560 
561 			if (c & 0x80)
562 				cbuf[j++] = 0xe0;
563 
564 			cbuf[j] = c & 0x7f;
565 			if (key & RELEASE)
566 				cbuf[j] |= 0x80;
567 #ifdef BTKBD_REPEAT
568 			else {
569 				/* remember pressed keys for autorepeat */
570 				if (c & 0x80)
571 					sc->sc_rep[npress++] = 0xe0;
572 
573 				sc->sc_rep[npress++] = c & 0x7f;
574 			}
575 #endif
576 
577 			j++;
578 		}
579 
580 		s = spltty();
581 		wskbd_rawinput(sc->sc_wskbd, cbuf, j);
582 		splx(s);
583 #ifdef BTKBD_REPEAT
584 		callout_stop(&sc->sc_repeat);
585 		if (npress != 0) {
586 			sc->sc_nrep = npress;
587 			callout_schedule(&sc->sc_repeat, hz * REP_DELAY1 / 1000);
588 		}
589 #endif
590 		return;
591 	}
592 #endif
593 
594 	s = spltty();
595 	for (i = 0 ; i < nkeys ; i++) {
596 		key = ibuf[i];
597 		wskbd_input(sc->sc_wskbd,
598 		    key & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
599 		    key & CODEMASK);
600 	}
601 	splx(s);
602 }
603 
604 #ifdef WSDISPLAY_COMPAT_RAWKBD
605 #ifdef BTKBD_REPEAT
606 static void
btkbd_repeat(void * arg)607 btkbd_repeat(void *arg)
608 {
609 	struct btkbd_softc *sc = arg;
610 	int s;
611 
612 	s = spltty();
613 	wskbd_rawinput(sc->sc_wskbd, sc->sc_rep, sc->sc_nrep);
614 	splx(s);
615 	callout_schedule(&sc->sc_repeat, hz * REP_DELAYN / 1000);
616 }
617 #endif
618 #endif
619