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akbd.c revision 1.26
      1 /*	$NetBSD: akbd.c,v 1.26 2002/08/13 15:00:42 aymeric Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1998	Colin Wood
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Colin Wood.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/param.h>
     34 #include <sys/device.h>
     35 #include <sys/fcntl.h>
     36 #include <sys/kernel.h>
     37 #include <sys/poll.h>
     38 #include <sys/select.h>
     39 #include <sys/proc.h>
     40 #include <sys/signalvar.h>
     41 #include <sys/systm.h>
     42 
     43 #include <dev/wscons/wsconsio.h>
     44 #include <dev/wscons/wskbdvar.h>
     45 #include <dev/wscons/wsksymdef.h>
     46 #include <dev/wscons/wsksymvar.h>
     47 #include <dev/ofw/openfirm.h>
     48 
     49 #include <machine/autoconf.h>
     50 #define KEYBOARD_ARRAY
     51 #include <machine/keyboard.h>
     52 
     53 #include <macppc/dev/adbvar.h>
     54 #include <macppc/dev/aedvar.h>
     55 #include <macppc/dev/akbdmap.h>
     56 #include <macppc/dev/akbdvar.h>
     57 #include <macppc/dev/pm_direct.h>
     58 
     59 #include "aed.h"
     60 
     61 /*
     62  * Function declarations.
     63  */
     64 static int	akbdmatch __P((struct device *, struct cfdata *, void *));
     65 static void	akbdattach __P((struct device *, struct device *, void *));
     66 void		kbd_adbcomplete __P((caddr_t buffer, caddr_t data_area, int adb_command));
     67 static void	kbd_processevent __P((adb_event_t *event, struct akbd_softc *));
     68 static void kbd_passup __P((struct akbd_softc *sc, int));
     69 #ifdef notyet
     70 static u_char	getleds __P((int));
     71 static int	setleds __P((struct akbd_softc *, u_char));
     72 static void	blinkleds __P((struct akbd_softc *));
     73 #endif
     74 
     75 /* Driver definition. */
     76 struct cfattach akbd_ca = {
     77 	sizeof(struct akbd_softc), akbdmatch, akbdattach
     78 };
     79 
     80 extern struct cfdriver akbd_cd;
     81 
     82 int akbd_enable __P((void *, int));
     83 void akbd_set_leds __P((void *, int));
     84 int akbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
     85 #ifdef WSDISPLAY_COMPAT_RAWKBD
     86 static void akbd_rawrepeat __P((void *));
     87 #endif
     88 
     89 struct wskbd_accessops akbd_accessops = {
     90 	akbd_enable,
     91 	akbd_set_leds,
     92 	akbd_ioctl,
     93 };
     94 
     95 void akbd_cngetc __P((void *, u_int *, int *));
     96 void akbd_cnpollc __P((void *, int));
     97 
     98 struct wskbd_consops akbd_consops = {
     99 	akbd_cngetc,
    100 	akbd_cnpollc,
    101 };
    102 
    103 struct wskbd_mapdata akbd_keymapdata = {
    104 	akbd_keydesctab,
    105 #ifdef AKBD_LAYOUT
    106 	AKBD_LAYOUT,
    107 #else
    108 	KB_US,
    109 #endif
    110 };
    111 
    112 static int akbd_is_console;
    113 static int akbd_console_attached;
    114 static int pcmcia_soft_eject;
    115 
    116 static int
    117 akbdmatch(parent, cf, aux)
    118 	struct device *parent;
    119 	struct cfdata *cf;
    120 	void   *aux;
    121 {
    122 	struct adb_attach_args *aa_args = aux;
    123 
    124 	if (aa_args->origaddr == ADBADDR_KBD)
    125 		return 1;
    126 	else
    127 		return 0;
    128 }
    129 
    130 static void
    131 akbdattach(parent, self, aux)
    132 	struct device *parent, *self;
    133 	void   *aux;
    134 {
    135 	ADBSetInfoBlock adbinfo;
    136 	struct akbd_softc *sc = (struct akbd_softc *)self;
    137 	struct adb_attach_args *aa_args = aux;
    138 	int error, kbd_done;
    139 	short cmd;
    140 	u_char buffer[9];
    141 	struct wskbddev_attach_args a;
    142 
    143 #ifdef WSDISPLAY_COMPAT_RAWKBD
    144 	callout_init(&sc->sc_rawrepeat_ch);
    145 #endif
    146 
    147 	/* ohare based models have soft ejectable card slot. */
    148 	if (OF_finddevice("/bandit/ohare") != -1)
    149 		pcmcia_soft_eject = 1;
    150 
    151 	sc->origaddr = aa_args->origaddr;
    152 	sc->adbaddr = aa_args->adbaddr;
    153 	sc->handler_id = aa_args->handler_id;
    154 
    155 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
    156 
    157 	adbinfo.siServiceRtPtr = (Ptr)kbd_adbcomplete;
    158 	adbinfo.siDataAreaAddr = (caddr_t)sc;
    159 
    160 	switch (sc->handler_id) {
    161 	case ADB_STDKBD:
    162 		printf("standard keyboard\n");
    163 		break;
    164 	case ADB_ISOKBD:
    165 		printf("standard keyboard (ISO layout)\n");
    166 		break;
    167 	case ADB_EXTKBD:
    168 		cmd = ADBTALK(sc->adbaddr, 1);
    169 		kbd_done =
    170 		    (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0);
    171 
    172 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    173 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
    174 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    175 			adbinfo.siServiceRtPtr = (Ptr)0;
    176 			adbinfo.siDataAreaAddr = (Ptr)0;
    177 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
    178 			printf("Trackman (non-EMP) pseudo keyboard\n");
    179 			adbinfo.siServiceRtPtr = (Ptr)0;
    180 			adbinfo.siDataAreaAddr = (Ptr)0;
    181 		} else {
    182 			printf("extended keyboard\n");
    183 #ifdef notyet
    184 			blinkleds(sc);
    185 #endif
    186 		}
    187 		break;
    188 	case ADB_EXTISOKBD:
    189 		printf("extended keyboard (ISO layout)\n");
    190 #ifdef notyet
    191 		blinkleds(sc);
    192 #endif
    193 		break;
    194 	case ADB_KBDII:
    195 		printf("keyboard II\n");
    196 		break;
    197 	case ADB_ISOKBDII:
    198 		printf("keyboard II (ISO layout)\n");
    199 		break;
    200 	case ADB_PBKBD:
    201 		printf("PowerBook keyboard\n");
    202 		break;
    203 	case ADB_PBISOKBD:
    204 		printf("PowerBook keyboard (ISO layout)\n");
    205 		break;
    206 	case ADB_ADJKPD:
    207 		printf("adjustable keypad\n");
    208 		break;
    209 	case ADB_ADJKBD:
    210 		printf("adjustable keyboard\n");
    211 		break;
    212 	case ADB_ADJISOKBD:
    213 		printf("adjustable keyboard (ISO layout)\n");
    214 		break;
    215 	case ADB_ADJJAPKBD:
    216 		printf("adjustable keyboard (Japanese layout)\n");
    217 		break;
    218 	case ADB_PBEXTISOKBD:
    219 		printf("PowerBook extended keyboard (ISO layout)\n");
    220 		break;
    221 	case ADB_PBEXTJAPKBD:
    222 		printf("PowerBook extended keyboard (Japanese layout)\n");
    223 		break;
    224 	case ADB_JPKBDII:
    225 		printf("keyboard II (Japanese layout)\n");
    226 		break;
    227 	case ADB_PBEXTKBD:
    228 		printf("PowerBook extended keyboard\n");
    229 		break;
    230 	case ADB_DESIGNKBD:
    231 		printf("extended keyboard\n");
    232 #ifdef notyet
    233 		blinkleds(sc);
    234 #endif
    235 		break;
    236 	case ADB_PBJPKBD:
    237 		printf("PowerBook keyboard (Japanese layout)\n");
    238 		break;
    239 	case ADB_PBG3KBD:
    240 		printf("PowerBook G3 keyboard\n");
    241 		break;
    242 	case ADB_PBG3JPKBD:
    243 		printf("PowerBook G3 keyboard (Japanese layout)\n");
    244 		break;
    245 	default:
    246 		printf("mapped device (%d)\n", sc->handler_id);
    247 		break;
    248 	}
    249 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    250 #ifdef ADB_DEBUG
    251 	if (adb_debug)
    252 		printf("akbd: returned %d from SetADBInfo\n", error);
    253 #endif
    254 
    255 	if (akbd_is_console && !akbd_console_attached) {
    256 		wskbd_cnattach(&akbd_consops, sc, &akbd_keymapdata);
    257 		akbd_console_attached = 1;
    258 	}
    259 
    260 	a.console = akbd_is_console;
    261 	a.keymap = &akbd_keymapdata;
    262 	a.accessops = &akbd_accessops;
    263 	a.accesscookie = sc;
    264 
    265 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    266 }
    267 
    268 
    269 /*
    270  * Handle putting the keyboard data received from the ADB into
    271  * an ADB event record.
    272  */
    273 void
    274 kbd_adbcomplete(buffer, data_area, adb_command)
    275 	caddr_t buffer;
    276 	caddr_t data_area;
    277 	int adb_command;
    278 {
    279 	adb_event_t event;
    280 	struct akbd_softc *ksc;
    281 	int adbaddr;
    282 #ifdef ADB_DEBUG
    283 	int i;
    284 
    285 	if (adb_debug)
    286 		printf("adb: transaction completion\n");
    287 #endif
    288 
    289 	adbaddr = ADB_CMDADDR(adb_command);
    290 	ksc = (struct akbd_softc *)data_area;
    291 
    292 	event.addr = adbaddr;
    293 	event.hand_id = ksc->handler_id;
    294 	event.def_addr = ksc->origaddr;
    295 	event.byte_count = buffer[0];
    296 	memcpy(event.bytes, buffer + 1, event.byte_count);
    297 
    298 #ifdef ADB_DEBUG
    299 	if (adb_debug) {
    300 		printf("akbd: from %d at %d (org %d) %d:", event.addr,
    301 		    event.hand_id, event.def_addr, buffer[0]);
    302 		for (i = 1; i <= buffer[0]; i++)
    303 			printf(" %x", buffer[i]);
    304 		printf("\n");
    305 	}
    306 #endif
    307 
    308 	microtime(&event.timestamp);
    309 
    310 	kbd_processevent(&event, ksc);
    311 }
    312 
    313 /*
    314  * Given a keyboard ADB event, record the keycodes and call the key
    315  * repeat handler, optionally passing the event through the mouse
    316  * button emulation handler first.
    317  */
    318 static void
    319 kbd_processevent(event, ksc)
    320         adb_event_t *event;
    321         struct akbd_softc *ksc;
    322 {
    323         adb_event_t new_event;
    324 
    325         new_event = *event;
    326 	new_event.u.k.key = event->bytes[0];
    327 	new_event.bytes[1] = 0xff;
    328 	kbd_intr(&new_event);
    329 #if NAED > 0
    330 	aed_input(&new_event);
    331 #endif
    332 	if (event->bytes[1] != 0xff) {
    333 		new_event.u.k.key = event->bytes[1];
    334 		new_event.bytes[0] = event->bytes[1];
    335 		new_event.bytes[1] = 0xff;
    336 		kbd_intr(&new_event);
    337 #if NAED > 0
    338 		aed_input(&new_event);
    339 #endif
    340 	}
    341 
    342 }
    343 
    344 #ifdef notyet
    345 /*
    346  * Get the actual hardware LED state and convert it to softc format.
    347  */
    348 static u_char
    349 getleds(addr)
    350 	int	addr;
    351 {
    352 	short cmd;
    353 	u_char buffer[9], leds;
    354 
    355 	leds = 0x00;	/* all off */
    356 	buffer[0] = 0;
    357 
    358 	/* talk R2 */
    359 	cmd = ADBTALK(addr, 2);
    360 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
    361 	    buffer[0] > 0)
    362 		leds = ~(buffer[2]) & 0x07;
    363 
    364 	return (leds);
    365 }
    366 
    367 /*
    368  * Set the keyboard LED's.
    369  *
    370  * Automatically translates from ioctl/softc format to the
    371  * actual keyboard register format
    372  */
    373 static int
    374 setleds(ksc, leds)
    375 	struct akbd_softc *ksc;
    376 	u_char	leds;
    377 {
    378 	int addr;
    379 	short cmd;
    380 	u_char buffer[9];
    381 
    382 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
    383 		return (0);
    384 
    385 	addr = ksc->adbaddr;
    386 	buffer[0] = 0;
    387 
    388 	cmd = ADBTALK(addr, 2);
    389 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    390 		return (EIO);
    391 
    392 	leds = ~leds & 0x07;
    393 	buffer[2] &= 0xf8;
    394 	buffer[2] |= leds;
    395 
    396 	cmd = ADBLISTEN(addr, 2);
    397 	adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
    398 
    399 	cmd = ADBTALK(addr, 2);
    400 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    401 		return (EIO);
    402 
    403 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
    404 
    405 	if ((buffer[2] & 0xf8) != leds)
    406 		return (EIO);
    407 	else
    408 		return (0);
    409 }
    410 
    411 /*
    412  * Toggle all of the LED's on and off, just for show.
    413  */
    414 static void
    415 blinkleds(ksc)
    416 	struct akbd_softc *ksc;
    417 {
    418 	int addr, i;
    419 	u_char blinkleds, origleds;
    420 
    421 	addr = ksc->adbaddr;
    422 	origleds = getleds(addr);
    423 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
    424 
    425 	(void)setleds(ksc, blinkleds);
    426 
    427 	for (i = 0; i < 10000; i++)
    428 		delay(50);
    429 
    430 	/* make sure that we restore the LED settings */
    431 	i = 10;
    432 	do {
    433 		(void)setleds(ksc, (u_char)0x00);
    434 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
    435 
    436 	return;
    437 }
    438 #endif
    439 
    440 int
    441 akbd_enable(v, on)
    442 	void *v;
    443 	int on;
    444 {
    445 	return 0;
    446 }
    447 
    448 void
    449 akbd_set_leds(v, on)
    450 	void *v;
    451 	int on;
    452 {
    453 }
    454 
    455 int
    456 akbd_ioctl(v, cmd, data, flag, p)
    457 	void *v;
    458 	u_long cmd;
    459 	caddr_t data;
    460 	int flag;
    461 	struct proc *p;
    462 {
    463 #ifdef WSDISPLAY_COMPAT_RAWKBD
    464 	struct akbd_softc *sc = (struct akbd_softc *) v;
    465 #endif
    466 
    467 	switch (cmd) {
    468 
    469 	case WSKBDIO_GTYPE:
    470 		*(int *)data = WSKBD_TYPE_ADB;
    471 		return 0;
    472 	case WSKBDIO_SETLEDS:
    473 		return 0;
    474 	case WSKBDIO_GETLEDS:
    475 		*(int *)data = 0;
    476 		return 0;
    477 #ifdef WSDISPLAY_COMPAT_RAWKBD
    478 	case WSKBDIO_SETMODE:
    479 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
    480 		callout_stop(&sc->sc_rawrepeat_ch);
    481 		return 0;
    482 #endif
    483 	}
    484 	/* kbdioctl(...); */
    485 
    486 	return EPASSTHROUGH;
    487 }
    488 
    489 #ifdef WSDISPLAY_COMPAT_RAWKBD
    490 static void
    491 akbd_rawrepeat(v)
    492 	void *v;
    493 {
    494 	struct akbd_softc *sc = (struct akbd_softc *) v;
    495 	int s = spltty();
    496 
    497 	/* check for race condition and avoid it */
    498 	if (sc->sc_nrep == 0) {
    499 		splx(s);
    500 		return;
    501 	}
    502 
    503 	wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
    504 	splx(s);
    505 	callout_reset(&sc->sc_rawrepeat_ch, hz * AKBD_RAW_REPEAT_DELAYN / 1000,
    506 		akbd_rawrepeat, sc);
    507 }
    508 #endif
    509 
    510 extern int adb_polling;
    511 
    512 void
    513 kbd_passup(sc,key)
    514 	struct akbd_softc *sc;
    515 	int key;
    516 {
    517 	if (sc->sc_polling) {
    518 		if (sc->sc_npolledkeys <
    519 			(sizeof(sc->sc_polledkeys)/sizeof(unsigned char))) {
    520 			sc->sc_polledkeys[sc->sc_npolledkeys++] = key;
    521 		}
    522 #ifdef ADB_DEBUG
    523 		else {
    524 			printf("akbd: dumping polled key 0x%02x\n",key);
    525 		}
    526 #endif
    527 #ifdef WSDISPLAY_COMPAT_RAWKBD
    528 	} else if (sc->sc_rawkbd) {
    529 		char cbuf[AKBD_RAW_MAX_KEYS * 2];
    530 		int s;
    531 		int j = 0;
    532 		int npress = 0;
    533 		int c = keyboard[ADBK_KEYVAL(key)][3];
    534 
    535 		callout_stop(&sc->sc_rawrepeat_ch);
    536 
    537 		if (c == 0)			/* XXX */
    538 			return;
    539 
    540 		if (c & 0x80)
    541 			cbuf[j++] = 0xe0;
    542 
    543 		cbuf[j++] = c & 0x7f;
    544 
    545 		if (!ADBK_PRESS(key))
    546 			cbuf[j - 1] |= 0x80;
    547 		else {
    548 			/* this only records last key pressed */
    549 			if (c & 0x80)
    550 				sc->sc_rep[npress++] = 0xe0;
    551 			sc->sc_rep[npress++] = c & 0x7f;
    552 		}
    553 
    554 		s = spltty();
    555 		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
    556 		splx(s);
    557 
    558 		sc->sc_nrep = npress;
    559 		if (npress != 0)
    560 			callout_reset(&sc->sc_rawrepeat_ch,
    561 				hz * AKBD_RAW_REPEAT_DELAY1 / 1000,
    562 				akbd_rawrepeat, sc);
    563 #endif
    564 	} else {
    565 		int press, val;
    566 		int type;
    567 
    568 		press = ADBK_PRESS(key);
    569 		val = ADBK_KEYVAL(key);
    570 
    571 		type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    572 
    573 		wskbd_input(sc->sc_wskbddev, type, val);
    574 	}
    575 }
    576 
    577 int
    578 kbd_intr(arg)
    579 	void *arg;
    580 {
    581 	adb_event_t *event = arg;
    582 	int key;
    583 #ifdef CAPS_IS_CONTROL
    584 	static int shift;
    585 #endif
    586 
    587 	struct akbd_softc *sc = akbd_cd.cd_devs[0];
    588 
    589 	key = event->u.k.key;
    590 
    591 #ifdef CAPS_IS_CONTROL
    592 	/*
    593 	 * Caps lock is weird. The key sequence generated is:
    594 	 * press:   down(57) [57]  (LED turns on)
    595 	 * release: up(127)  [255]
    596 	 * press:   up(127)  [255]
    597 	 * release: up(57)   [185] (LED turns off)
    598 	 */
    599 	if ((key == 57) || (key == 185))
    600 		shift = 0;
    601 
    602 	if (key == 255) {
    603 		if (shift == 0) {
    604 			key = 185;
    605 			shift = 1;
    606 		} else {
    607 			key = 57;
    608 			shift = 0;
    609 		}
    610 	}
    611 #endif
    612 
    613 	switch (key) {
    614 #ifndef CAPS_IS_CONTROL
    615 	case 57:	/* Caps Lock pressed */
    616 	case 185:	/* Caps Lock released */
    617 		key = ADBK_KEYDOWN(ADBK_KEYVAL(key));
    618 		kbd_passup(sc,key);
    619 		key = ADBK_KEYUP(ADBK_KEYVAL(key));
    620 		break;
    621 #endif
    622 	case 245:
    623 		if (pcmcia_soft_eject)
    624 			pm_eject_pcmcia(0);
    625 		break;
    626 	case 244:
    627 		if (pcmcia_soft_eject)
    628 			pm_eject_pcmcia(1);
    629 		break;
    630 	}
    631 
    632 	kbd_passup(sc,key);
    633 
    634 	return 0;
    635 }
    636 
    637 int
    638 akbd_cnattach()
    639 {
    640 
    641 	akbd_is_console = 1;
    642 	return 0;
    643 }
    644 
    645 void
    646 akbd_cngetc(v, type, data)
    647 	void *v;
    648 	u_int *type;
    649 	int *data;
    650 {
    651 	int key, press, val;
    652 	int s;
    653 	struct akbd_softc *sc = v;
    654 
    655 	s = splhigh();
    656 
    657 	KASSERT(sc->sc_polling);
    658 	KASSERT(adb_polling);
    659 
    660 	while (sc->sc_npolledkeys == 0) {
    661 		adb_intr();
    662 		DELAY(10000);				/* XXX */
    663 	}
    664 
    665 	splx(s);
    666 
    667 	key = sc->sc_polledkeys[0];
    668 	sc->sc_npolledkeys--;
    669 	memmove(sc->sc_polledkeys,sc->sc_polledkeys+1,
    670 		sc->sc_npolledkeys * sizeof(unsigned char));
    671 
    672 	press = ADBK_PRESS(key);
    673 	val = ADBK_KEYVAL(key);
    674 
    675 	*data = val;
    676 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    677 }
    678 
    679 void
    680 akbd_cnpollc(v, on)
    681 	void *v;
    682 	int on;
    683 {
    684 	struct akbd_softc *sc = v;
    685 	sc->sc_polling = on;
    686 	if (!on) {
    687 		int i;
    688 		for(i=0;i<sc->sc_npolledkeys;i++) {
    689 			kbd_passup(sc,sc->sc_polledkeys[i]);
    690 		}
    691 		sc->sc_npolledkeys = 0;
    692 	}
    693 	adb_polling = on;
    694 }
    695