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btkbd.c revision 1.16
      1 /*	$NetBSD: btkbd.c,v 1.16 2013/09/12 12:20:01 martin 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 (at) 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 1.16 2013/09/12 12:20:01 martin 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/usb/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 ukbd_keydesctab[];
    167 
    168 const struct wskbd_mapdata btkbd_keymapdata = {
    169 	ukbd_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
    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
    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);
    240 
    241 	pmf_device_register(self, NULL, NULL);
    242 }
    243 
    244 static int
    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_stop(&sc->sc_repeat);
    255 	KASSERT(!callout_invoking(&sc->sc_repeat));
    256 	callout_destroy(&sc->sc_repeat);
    257 #endif
    258 #endif
    259 
    260 	if (sc->sc_wskbd != NULL) {
    261 		err = config_detach(sc->sc_wskbd, flags);
    262 		sc->sc_wskbd = NULL;
    263 	}
    264 
    265 	return err;
    266 }
    267 
    268 static const char *
    269 btkbd_parse_desc(struct btkbd_softc *sc, int id, const void *desc, int dlen)
    270 {
    271 	struct hid_data *d;
    272 	struct hid_item h;
    273 	int imod;
    274 
    275 	imod = 0;
    276 	sc->sc_nkeycode = 0;
    277 	d = hid_start_parse(desc, dlen, hid_input);
    278 	while (hid_get_item(d, &h)) {
    279 		if (h.kind != hid_input || (h.flags & HIO_CONST) ||
    280 		    HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
    281 		    h.report_ID != id)
    282 			continue;
    283 
    284 		if (h.flags & HIO_VARIABLE) {
    285 			if (h.loc.size != 1)
    286 				return ("bad modifier size");
    287 
    288 			/* Single item */
    289 			if (imod < MAXMOD) {
    290 				sc->sc_modloc[imod] = h.loc;
    291 				sc->sc_mods[imod].mask = 1 << imod;
    292 				sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
    293 				imod++;
    294 			} else
    295 				return ("too many modifier keys");
    296 		} else {
    297 			/* Array */
    298 			if (h.loc.size != 8)
    299 				return ("key code size != 8");
    300 
    301 			if (h.loc.count > MAXKEYCODE)
    302 				return ("too many key codes");
    303 
    304 			if (h.loc.pos % 8 != 0)
    305 				return ("key codes not on byte boundary");
    306 
    307 			if (sc->sc_nkeycode != 0)
    308 				return ("multiple key code arrays\n");
    309 
    310 			sc->sc_keycodeloc = h.loc;
    311 			sc->sc_nkeycode = h.loc.count;
    312 		}
    313 	}
    314 	sc->sc_nmod = imod;
    315 	hid_end_parse(d);
    316 
    317 	hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
    318 		   id, hid_output, &sc->sc_numloc, NULL);
    319 
    320 	hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
    321 		   id, hid_output, &sc->sc_capsloc, NULL);
    322 
    323 	hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
    324 		   id, hid_output, &sc->sc_scroloc, NULL);
    325 
    326 	return (NULL);
    327 }
    328 
    329 /*****************************************************************************
    330  *
    331  *	wskbd(9) accessops
    332  */
    333 
    334 static int
    335 btkbd_enable(void *cookie, int on)
    336 {
    337 	struct btkbd_softc *sc = cookie;
    338 
    339 	sc->sc_enabled = on;
    340 	return 0;
    341 }
    342 
    343 static void
    344 btkbd_set_leds(void *cookie, int leds)
    345 {
    346 	struct btkbd_softc *sc = cookie;
    347 	uint8_t report;
    348 
    349 	if (sc->sc_leds == leds)
    350 		return;
    351 
    352 	sc->sc_leds = leds;
    353 
    354 	/*
    355 	 * This is not totally correct, since we did not check the
    356 	 * report size from the descriptor but for keyboards it should
    357 	 * just be a single byte with the relevant bits set.
    358 	 */
    359 	report = 0;
    360 	if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1)
    361 		report |= 1 << sc->sc_scroloc.pos;
    362 
    363 	if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1)
    364 		report |= 1 << sc->sc_numloc.pos;
    365 
    366 	if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1)
    367 		report |= 1 << sc->sc_capsloc.pos;
    368 
    369 	if (sc->sc_output)
    370 		(*sc->sc_output)(&sc->sc_hidev, &report, sizeof(report));
    371 }
    372 
    373 static int
    374 btkbd_ioctl(void *cookie, unsigned long cmd, void *data, int flag,
    375     struct lwp *l)
    376 {
    377 	struct btkbd_softc *sc = cookie;
    378 
    379 	switch (cmd) {
    380 	case WSKBDIO_GTYPE:
    381 		*(int *)data = WSKBD_TYPE_BLUETOOTH;
    382 		break;
    383 
    384 	case WSKBDIO_SETLEDS:
    385 		btkbd_set_leds(sc, *(int *)data);
    386 		break;
    387 
    388 	case WSKBDIO_GETLEDS:
    389 		*(int *)data = sc->sc_leds;
    390 		break;
    391 
    392 #ifdef WSDISPLAY_COMPAT_RAWKBD
    393 	case WSKBDIO_SETMODE:
    394 		sc->sc_rawkbd = (*(int *)data == WSKBD_RAW);
    395 #ifdef BTKBD_REPEAT
    396 		callout_stop(&sc->sc_repeat);
    397 #endif
    398 		break;
    399 #endif
    400 
    401 	default:
    402 		return EPASSTHROUGH;
    403 	}
    404 
    405 	return 0;
    406 }
    407 
    408 /*****************************************************************************
    409  *
    410  *	btkbd input routine, called from our parent
    411  */
    412 
    413 #ifdef WSDISPLAY_COMPAT_RAWKBD
    414 #define NN 0			/* no translation */
    415 /*
    416  * Translate USB keycodes to US keyboard XT scancodes.
    417  * Scancodes >= 0x80 represent EXTENDED keycodes.
    418  *
    419  * See http://www.microsoft.com/HWDEV/TECH/input/Scancode.asp
    420  */
    421 static const u_int8_t btkbd_trtab[256] = {
    422       NN,   NN,   NN,   NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */
    423     0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */
    424     0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */
    425     0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */
    426     0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */
    427     0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */
    428     0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */
    429     0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */
    430     0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */
    431     0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */
    432     0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */
    433     0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */
    434     0x48, 0x49, 0x52, 0x53, 0x56, 0xdd,   NN, 0x59, /* 60 - 67 */
    435     0x5d, 0x5e, 0x5f,   NN,   NN,   NN,   NN,   NN, /* 68 - 6f */
    436       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 70 - 77 */
    437       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 78 - 7f */
    438       NN,   NN,   NN,   NN,   NN, 0x7e,   NN, 0x73, /* 80 - 87 */
    439     0x70, 0x7d, 0x79, 0x7b, 0x5c,   NN,   NN,   NN, /* 88 - 8f */
    440       NN,   NN, 0x78, 0x77, 0x76,   NN,   NN,   NN, /* 90 - 97 */
    441       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* 98 - 9f */
    442       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a0 - a7 */
    443       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* a8 - af */
    444       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b0 - b7 */
    445       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* b8 - bf */
    446       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c0 - c7 */
    447       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* c8 - cf */
    448       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d0 - d7 */
    449       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* d8 - df */
    450     0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */
    451       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* e8 - ef */
    452       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f0 - f7 */
    453       NN,   NN,   NN,   NN,   NN,   NN,   NN,   NN, /* f8 - ff */
    454 };
    455 #endif
    456 
    457 #define KEY_ERROR	0x01
    458 #define PRESS		0x000
    459 #define RELEASE		0x100
    460 #define CODEMASK	0x0ff
    461 #define ADDKEY(c)	ibuf[nkeys++] = (c)
    462 #define REP_DELAY1	400
    463 #define REP_DELAYN	100
    464 
    465 static void
    466 btkbd_input(struct bthidev *hidev, uint8_t *data, int len)
    467 {
    468 	struct btkbd_softc *sc = (struct btkbd_softc *)hidev;
    469 	struct btkbd_data *ud = &sc->sc_ndata;
    470 	uint16_t ibuf[MAXKEYS];
    471 	uint32_t mod, omod;
    472 	int nkeys, i, j;
    473 	int key;
    474 	int s;
    475 
    476 	if (sc->sc_wskbd == NULL || sc->sc_enabled == 0)
    477 		return;
    478 
    479 	/* extract key modifiers */
    480 	ud->modifiers = 0;
    481 	for (i = 0 ; i < sc->sc_nmod ; i++)
    482 		if (hid_get_data(data, &sc->sc_modloc[i]))
    483 			ud->modifiers |= sc->sc_mods[i].mask;
    484 
    485 	/* extract keycodes */
    486 	memcpy(ud->keycode, data + (sc->sc_keycodeloc.pos / 8),
    487 	       sc->sc_nkeycode);
    488 
    489 	if (ud->keycode[0] == KEY_ERROR)
    490 		return;		/* ignore  */
    491 
    492 	nkeys = 0;
    493 	mod = ud->modifiers;
    494 	omod = sc->sc_odata.modifiers;
    495 	if (mod != omod)
    496 		for (i = 0 ; i < sc->sc_nmod ; i++)
    497 			if ((mod & sc->sc_mods[i].mask) !=
    498 			    (omod & sc->sc_mods[i].mask))
    499 				ADDKEY(sc->sc_mods[i].key |
    500 				       (mod & sc->sc_mods[i].mask
    501 					  ? PRESS : RELEASE));
    502 
    503 	if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) {
    504 		/* Check for released keys. */
    505 		for (i = 0 ; i < sc->sc_nkeycode ; i++) {
    506 			key = sc->sc_odata.keycode[i];
    507 			if (key == 0)
    508 				continue;
    509 
    510 			for (j = 0 ; j < sc->sc_nkeycode ; j++)
    511 				if (key == ud->keycode[j])
    512 					goto rfound;
    513 
    514 			ADDKEY(key | RELEASE);
    515 
    516 		rfound:
    517 			;
    518 		}
    519 
    520 		/* Check for pressed keys. */
    521 		for (i = 0 ; i < sc->sc_nkeycode ; i++) {
    522 			key = ud->keycode[i];
    523 			if (key == 0)
    524 				continue;
    525 
    526 			for (j = 0; j < sc->sc_nkeycode; j++)
    527 				if (key == sc->sc_odata.keycode[j])
    528 					goto pfound;
    529 
    530 			ADDKEY(key | PRESS);
    531 		pfound:
    532 			;
    533 		}
    534 	}
    535 	sc->sc_odata = *ud;
    536 
    537 	if (nkeys == 0)
    538 		return;
    539 
    540 #ifdef WSDISPLAY_COMPAT_RAWKBD
    541 	if (sc->sc_rawkbd) {
    542 		u_char cbuf[MAXKEYS * 2];
    543 		int c;
    544 #ifdef BTKBD_REPEAT
    545 		int npress = 0;
    546 #endif
    547 
    548 		for (i = j = 0 ; i < nkeys ; i++) {
    549 			key = ibuf[i];
    550 			c = btkbd_trtab[key & CODEMASK];
    551 			if (c == NN)
    552 				continue;
    553 
    554 			if (c & 0x80)
    555 				cbuf[j++] = 0xe0;
    556 
    557 			cbuf[j] = c & 0x7f;
    558 			if (key & RELEASE)
    559 				cbuf[j] |= 0x80;
    560 #ifdef BTKBD_REPEAT
    561 			else {
    562 				/* remember pressed keys for autorepeat */
    563 				if (c & 0x80)
    564 					sc->sc_rep[npress++] = 0xe0;
    565 
    566 				sc->sc_rep[npress++] = c & 0x7f;
    567 			}
    568 #endif
    569 
    570 			j++;
    571 		}
    572 
    573 		s = spltty();
    574 		wskbd_rawinput(sc->sc_wskbd, cbuf, j);
    575 		splx(s);
    576 #ifdef BTKBD_REPEAT
    577 		callout_stop(&sc->sc_repeat);
    578 		if (npress != 0) {
    579 			sc->sc_nrep = npress;
    580 			callout_schedule(&sc->sc_repeat, hz * REP_DELAY1 / 1000);
    581 		}
    582 #endif
    583 		return;
    584 	}
    585 #endif
    586 
    587 	s = spltty();
    588 	for (i = 0 ; i < nkeys ; i++) {
    589 		key = ibuf[i];
    590 		wskbd_input(sc->sc_wskbd,
    591 		    key & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
    592 		    key & CODEMASK);
    593 	}
    594 	splx(s);
    595 }
    596 
    597 #ifdef WSDISPLAY_COMPAT_RAWKBD
    598 #ifdef BTKBD_REPEAT
    599 static void
    600 btkbd_repeat(void *arg)
    601 {
    602 	struct btkbd_softc *sc = arg;
    603 	int s;
    604 
    605 	s = spltty();
    606 	wskbd_rawinput(sc->sc_wskbd, sc->sc_rep, sc->sc_nrep);
    607 	splx(s);
    608 	callout_schedule(&sc->sc_repeat, hz * REP_DELAYN / 1000);
    609 }
    610 #endif
    611 #endif
    612