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adb_kbd.c revision 1.12
      1 /*	$NetBSD: adb_kbd.c,v 1.12 2008/03/26 18:04:15 matt Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1998	Colin Wood
      5  * Copyright (C) 2006, 2007 Michael Lorenz
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Colin Wood.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 __KERNEL_RCSID(0, "$NetBSD: adb_kbd.c,v 1.12 2008/03/26 18:04:15 matt Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/device.h>
     39 #include <sys/fcntl.h>
     40 #include <sys/poll.h>
     41 #include <sys/select.h>
     42 #include <sys/proc.h>
     43 #include <sys/systm.h>
     44 #include <sys/kernel.h>
     45 #include <sys/sysctl.h>
     46 
     47 #include <dev/wscons/wsconsio.h>
     48 #include <dev/wscons/wskbdvar.h>
     49 #include <dev/wscons/wsksymdef.h>
     50 #include <dev/wscons/wsksymvar.h>
     51 #include <dev/wscons/wsmousevar.h>
     52 
     53 #include <dev/sysmon/sysmonvar.h>
     54 #include <dev/sysmon/sysmon_taskq.h>
     55 
     56 #include <machine/autoconf.h>
     57 #include <machine/keyboard.h>
     58 #include <machine/adbsys.h>
     59 
     60 #include <dev/adb/adbvar.h>
     61 #include <dev/adb/adb_keymap.h>
     62 
     63 #include "opt_wsdisplay_compat.h"
     64 #include "adbdebug.h"
     65 #include "wsmouse.h"
     66 
     67 struct adbkbd_softc {
     68 	device_t sc_dev;
     69 	struct adb_device *sc_adbdev;
     70 	struct adb_bus_accessops *sc_ops;
     71 	device_t sc_wskbddev;
     72 #if NWSMOUSE > 0
     73 	device_t sc_wsmousedev;
     74 #endif
     75 	struct sysmon_pswitch sc_sm_pbutton;
     76 	int sc_leds;
     77 	int sc_have_led_control;
     78 	int sc_msg_len;
     79 	int sc_event;
     80 	int sc_poll;
     81 	int sc_polled_chars;
     82 	int sc_trans[3];
     83 	int sc_capslock;
     84 	uint32_t sc_timestamp;
     85 #ifdef WSDISPLAY_COMPAT_RAWKBD
     86 	int sc_rawkbd;
     87 #endif
     88 	uint8_t sc_buffer[16];
     89 	uint8_t sc_pollbuf[16];
     90 	uint8_t sc_us;
     91 	uint8_t sc_power, sc_pe;
     92 };
     93 
     94 /*
     95  * Function declarations.
     96  */
     97 static int	adbkbd_match(device_t, cfdata_t, void *);
     98 static void	adbkbd_attach(device_t, device_t, void *);
     99 
    100 static void	adbkbd_initleds(struct adbkbd_softc *);
    101 static void	adbkbd_keys(struct adbkbd_softc *, uint8_t, uint8_t);
    102 static inline void adbkbd_key(struct adbkbd_softc *, uint8_t);
    103 static int	adbkbd_wait(struct adbkbd_softc *, int);
    104 
    105 /* Driver definition. */
    106 CFATTACH_DECL_NEW(adbkbd, sizeof(struct adbkbd_softc),
    107     adbkbd_match, adbkbd_attach, NULL, NULL);
    108 
    109 extern struct cfdriver adbkbd_cd;
    110 
    111 static int adbkbd_enable(void *, int);
    112 static int adbkbd_ioctl(void *, u_long, void *, int, struct lwp *);
    113 static void adbkbd_set_leds(void *, int);
    114 static void adbkbd_handler(void *, int, uint8_t *);
    115 static void adbkbd_powerbutton(void *);
    116 
    117 struct wskbd_accessops adbkbd_accessops = {
    118 	adbkbd_enable,
    119 	adbkbd_set_leds,
    120 	adbkbd_ioctl,
    121 };
    122 
    123 static void adbkbd_cngetc(void *, u_int *, int *);
    124 static void adbkbd_cnpollc(void *, int);
    125 
    126 struct wskbd_consops adbkbd_consops = {
    127 	adbkbd_cngetc,
    128 	adbkbd_cnpollc,
    129 };
    130 
    131 struct wskbd_mapdata adbkbd_keymapdata = {
    132 	akbd_keydesctab,
    133 #ifdef AKBD_LAYOUT
    134 	AKBD_LAYOUT,
    135 #else
    136 	KB_US,
    137 #endif
    138 };
    139 
    140 #if NWSMOUSE > 0
    141 static int adbkms_enable(void *);
    142 static int adbkms_ioctl(void *, u_long, void *, int, struct lwp *);
    143 static void adbkms_disable(void *);
    144 
    145 const struct wsmouse_accessops adbkms_accessops = {
    146 	adbkms_enable,
    147 	adbkms_ioctl,
    148 	adbkms_disable,
    149 };
    150 
    151 static int  adbkbd_sysctl_button(SYSCTLFN_ARGS);
    152 static void adbkbd_setup_sysctl(struct adbkbd_softc *);
    153 
    154 #endif /* NWSMOUSE > 0 */
    155 
    156 #ifdef ADBKBD_DEBUG
    157 #define DPRINTF printf
    158 #else
    159 #define DPRINTF while (0) printf
    160 #endif
    161 
    162 static int adbkbd_is_console = 0;
    163 static int adbkbd_console_attached = 0;
    164 
    165 static int
    166 adbkbd_match(device_t parent, cfdata_t cf, void *aux)
    167 {
    168 	struct adb_attach_args *aaa = aux;
    169 
    170 	if (aaa->dev->original_addr == ADBADDR_KBD)
    171 		return 1;
    172 	else
    173 		return 0;
    174 }
    175 
    176 static void
    177 adbkbd_attach(device_t parent, device_t self, void *aux)
    178 {
    179 	struct adbkbd_softc *sc = device_private(self);
    180 	struct adb_attach_args *aaa = aux;
    181 	short cmd;
    182 	struct wskbddev_attach_args a;
    183 #if NWSMOUSE > 0
    184 	struct wsmousedev_attach_args am;
    185 #endif
    186 
    187 	sc->sc_dev = self;
    188 	sc->sc_ops = aaa->ops;
    189 	sc->sc_adbdev = aaa->dev;
    190 	sc->sc_adbdev->cookie = sc;
    191 	sc->sc_adbdev->handler = adbkbd_handler;
    192 	sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
    193 
    194 	sc->sc_leds = 0;	/* initially off */
    195 	sc->sc_have_led_control = 0;
    196 	sc->sc_msg_len = 0;
    197 	sc->sc_poll = 0;
    198 	sc->sc_capslock = 0;
    199 	sc->sc_trans[1] = 103;	/* F11 */
    200 	sc->sc_trans[2] = 111;	/* F12 */
    201 	sc->sc_power = 0x7f;
    202 	sc->sc_timestamp = 0;
    203 
    204 	printf(" addr %d: ", sc->sc_adbdev->current_addr);
    205 
    206 	switch (sc->sc_adbdev->handler_id) {
    207 	case ADB_STDKBD:
    208 		printf("standard keyboard\n");
    209 		break;
    210 	case ADB_ISOKBD:
    211 		printf("standard keyboard (ISO layout)\n");
    212 		break;
    213 	case ADB_EXTKBD:
    214 		cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
    215 		sc->sc_msg_len = 0;
    216 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
    217 		adbkbd_wait(sc, 10);
    218 
    219 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    220 		/* XXX needs testing */
    221 		if (sc->sc_buffer[2] == 0x9a && sc->sc_buffer[3] == 0x20) {
    222 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    223 			return;
    224 		} else if (sc->sc_buffer[2] == 0x9a &&
    225 		    sc->sc_buffer[3] == 0x21) {
    226 			printf("Trackman (non-EMP) pseudo keyboard\n");
    227 			return;
    228 		} else {
    229 			printf("extended keyboard\n");
    230 			adbkbd_initleds(sc);
    231 		}
    232 		break;
    233 	case ADB_EXTISOKBD:
    234 		printf("extended keyboard (ISO layout)\n");
    235 		adbkbd_initleds(sc);
    236 		break;
    237 	case ADB_KBDII:
    238 		printf("keyboard II\n");
    239 		break;
    240 	case ADB_ISOKBDII:
    241 		printf("keyboard II (ISO layout)\n");
    242 		break;
    243 	case ADB_PBKBD:
    244 		printf("PowerBook keyboard\n");
    245 		sc->sc_power = 0x7e;
    246 		break;
    247 	case ADB_PBISOKBD:
    248 		printf("PowerBook keyboard (ISO layout)\n");
    249 		sc->sc_power = 0x7e;
    250 		break;
    251 	case ADB_ADJKPD:
    252 		printf("adjustable keypad\n");
    253 		break;
    254 	case ADB_ADJKBD:
    255 		printf("adjustable keyboard\n");
    256 		break;
    257 	case ADB_ADJISOKBD:
    258 		printf("adjustable keyboard (ISO layout)\n");
    259 		break;
    260 	case ADB_ADJJAPKBD:
    261 		printf("adjustable keyboard (Japanese layout)\n");
    262 		break;
    263 	case ADB_PBEXTISOKBD:
    264 		printf("PowerBook extended keyboard (ISO layout)\n");
    265 		sc->sc_power = 0x7e;
    266 		break;
    267 	case ADB_PBEXTJAPKBD:
    268 		printf("PowerBook extended keyboard (Japanese layout)\n");
    269 		sc->sc_power = 0x7e;
    270 		break;
    271 	case ADB_JPKBDII:
    272 		printf("keyboard II (Japanese layout)\n");
    273 		break;
    274 	case ADB_PBEXTKBD:
    275 		printf("PowerBook extended keyboard\n");
    276 		sc->sc_power = 0x7e;
    277 		break;
    278 	case ADB_DESIGNKBD:
    279 		printf("extended keyboard\n");
    280 		adbkbd_initleds(sc);
    281 		break;
    282 	case ADB_PBJPKBD:
    283 		printf("PowerBook keyboard (Japanese layout)\n");
    284 		sc->sc_power = 0x7e;
    285 		break;
    286 	case ADB_PBG3KBD:
    287 		printf("PowerBook G3 keyboard\n");
    288 		sc->sc_power = 0x7e;
    289 		break;
    290 	case ADB_PBG3JPKBD:
    291 		printf("PowerBook G3 keyboard (Japanese layout)\n");
    292 		sc->sc_power = 0x7e;
    293 		break;
    294 	case ADB_IBOOKKBD:
    295 		printf("iBook keyboard\n");
    296 		break;
    297 	default:
    298 		printf("mapped device (%d)\n", sc->sc_adbdev->handler_id);
    299 		break;
    300 	}
    301 
    302 	if (adbkbd_is_console && (adbkbd_console_attached == 0)) {
    303 		wskbd_cnattach(&adbkbd_consops, sc, &adbkbd_keymapdata);
    304 		adbkbd_console_attached = 1;
    305 		a.console = 1;
    306 	} else {
    307 		a.console = 0;
    308 	}
    309 	a.keymap = &adbkbd_keymapdata;
    310 	a.accessops = &adbkbd_accessops;
    311 	a.accesscookie = sc;
    312 
    313 	sc->sc_wskbddev = config_found_ia(self, "wskbddev", &a, wskbddevprint);
    314 
    315 #if NWSMOUSE > 0
    316 	/* attach the mouse device */
    317 	am.accessops = &adbkms_accessops;
    318 	am.accesscookie = sc;
    319 	sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &am,
    320 	    wsmousedevprint);
    321 
    322 	if (sc->sc_wsmousedev != NULL)
    323 		adbkbd_setup_sysctl(sc);
    324 #endif
    325 
    326 	/* finally register the power button */
    327 	sysmon_task_queue_init();
    328 	memset(&sc->sc_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
    329 	sc->sc_sm_pbutton.smpsw_name = device_xname(sc->sc_dev);
    330 	sc->sc_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
    331 	if (sysmon_pswitch_register(&sc->sc_sm_pbutton) != 0)
    332 		aprint_error_dev(sc->sc_dev,
    333 		    "unable to register power button with sysmon\n");
    334 }
    335 
    336 static void
    337 adbkbd_handler(void *cookie, int len, uint8_t *data)
    338 {
    339 	struct adbkbd_softc *sc = cookie;
    340 
    341 #ifdef ADBKBD_DEBUG
    342 	int i;
    343 	printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
    344 	for (i = 0; i < len; i++) {
    345 		printf(" %02x", data[i]);
    346 	}
    347 	printf("\n");
    348 #endif
    349 	if (len >= 2) {
    350 		if (data[1] == sc->sc_us) {
    351 			adbkbd_keys(sc, data[2], data[3]);
    352 			return;
    353 		} else {
    354 			memcpy(sc->sc_buffer, data, len);
    355 		}
    356 		sc->sc_msg_len = len;
    357 		wakeup(&sc->sc_event);
    358 	} else {
    359 		DPRINTF("bogus message\n");
    360 	}
    361 }
    362 
    363 static int
    364 adbkbd_wait(struct adbkbd_softc *sc, int timeout)
    365 {
    366 	int cnt = 0;
    367 
    368 	if (sc->sc_poll) {
    369 		while (sc->sc_msg_len == 0) {
    370 			sc->sc_ops->poll(sc->sc_ops->cookie);
    371 		}
    372 	} else {
    373 		while ((sc->sc_msg_len == 0) && (cnt < timeout)) {
    374 			tsleep(&sc->sc_event, 0, "adbkbdio", hz);
    375 			cnt++;
    376 		}
    377 	}
    378 	return (sc->sc_msg_len > 0);
    379 }
    380 
    381 static void
    382 adbkbd_keys(struct adbkbd_softc *sc, uint8_t k1, uint8_t k2)
    383 {
    384 
    385 	/* keyboard event processing */
    386 
    387 	DPRINTF("[%02x %02x]", k1, k2);
    388 
    389 	if (((k1 == k2) && (k1 == 0x7f)) || (k1 == sc->sc_power)) {
    390 		uint32_t now = time_second;
    391 		uint32_t diff = now - sc->sc_timestamp;
    392 
    393 		sc->sc_timestamp = now;
    394 		if ((diff > 1) && (diff < 5)) {
    395 
    396 			/* power button, report to sysmon */
    397 			sc->sc_pe = k1;
    398 
    399 			sysmon_task_queue_sched(0, adbkbd_powerbutton, sc);
    400 		}
    401 	} else {
    402 
    403 		adbkbd_key(sc, k1);
    404 		if (k2 != 0xff)
    405 			adbkbd_key(sc, k2);
    406 	}
    407 }
    408 
    409 static void
    410 adbkbd_powerbutton(void *cookie)
    411 {
    412 	struct adbkbd_softc *sc = cookie;
    413 
    414 	sysmon_pswitch_event(&sc->sc_sm_pbutton,
    415 	    ADBK_PRESS(sc->sc_pe) ? PSWITCH_EVENT_PRESSED :
    416 	    PSWITCH_EVENT_RELEASED);
    417 }
    418 
    419 static inline void
    420 adbkbd_key(struct adbkbd_softc *sc, uint8_t k)
    421 {
    422 
    423 	if (sc->sc_poll) {
    424 		if (sc->sc_polled_chars >= 16) {
    425 			aprint_error_dev(sc->sc_dev,"polling buffer is full\n");
    426 		}
    427 		sc->sc_pollbuf[sc->sc_polled_chars] = k;
    428 		sc->sc_polled_chars++;
    429 		return;
    430 	}
    431 
    432 #if NWSMOUSE > 0
    433 	/* translate some keys to mouse events */
    434 	if (sc->sc_wsmousedev != NULL) {
    435 		if (ADBK_KEYVAL(k) == sc->sc_trans[1]) {
    436 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 2 : 0,
    437 			      0, 0, 0, 0,
    438 			      WSMOUSE_INPUT_DELTA);
    439 			return;
    440 		}
    441 		if (ADBK_KEYVAL(k) == sc->sc_trans[2]) {
    442 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 4 : 0,
    443 			      0, 0, 0, 0,
    444 			      WSMOUSE_INPUT_DELTA);
    445 			return;
    446 		}
    447 	}
    448 #endif
    449 
    450 #ifdef WSDISPLAY_COMPAT_RAWKBD
    451 	if (sc->sc_rawkbd) {
    452 		char cbuf[2];
    453 		int s;
    454 
    455 		cbuf[0] = k;
    456 
    457 		s = spltty();
    458 		wskbd_rawinput(sc->sc_wskbddev, cbuf, 1);
    459 		splx(s);
    460 	} else {
    461 #endif
    462 
    463 	if (ADBK_KEYVAL(k) == 0x39) {
    464 		/* caps lock - send up and down */
    465 		if (ADBK_PRESS(k) != sc->sc_capslock) {
    466 			sc->sc_capslock = ADBK_PRESS(k);
    467 			wskbd_input(sc->sc_wskbddev,
    468 			    WSCONS_EVENT_KEY_DOWN, 0x39);
    469 			wskbd_input(sc->sc_wskbddev,
    470 			    WSCONS_EVENT_KEY_UP, 0x39);
    471 		}
    472 	} else {
    473 		/* normal event */
    474 		int type;
    475 
    476 		type = ADBK_PRESS(k) ?
    477 		    WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    478 		wskbd_input(sc->sc_wskbddev, type, ADBK_KEYVAL(k));
    479 	}
    480 #ifdef WSDISPLAY_COMPAT_RAWKBD
    481 	}
    482 #endif
    483 }
    484 
    485 /*
    486  * Set the keyboard LED's.
    487  *
    488  * Automatically translates from ioctl/softc format to the
    489  * actual keyboard register format
    490  */
    491 static void
    492 adbkbd_set_leds(void *cookie, int leds)
    493 {
    494 	struct adbkbd_softc *sc = cookie;
    495 	int aleds;
    496 	short cmd;
    497 	uint8_t buffer[2];
    498 
    499 	DPRINTF("adbkbd_set_leds: %02x\n", leds);
    500 	if ((leds & 0x07) == (sc->sc_leds & 0x07))
    501 		return;
    502 
    503  	if (sc->sc_have_led_control) {
    504 
    505 		aleds = (~leds & 0x04) | 3;
    506 		if (leds & 1)
    507 			aleds &= ~2;
    508 		if (leds & 2)
    509 			aleds &= ~1;
    510 
    511 		buffer[0] = 0xff;
    512 		buffer[1] = aleds | 0xf8;
    513 
    514 		cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 2);
    515 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2,
    516 		    buffer);
    517 	}
    518 
    519 	sc->sc_leds = leds & 7;
    520 }
    521 
    522 static void
    523 adbkbd_initleds(struct adbkbd_softc *sc)
    524 {
    525 	short cmd;
    526 
    527 	/* talk R2 */
    528 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 2);
    529 	sc->sc_msg_len = 0;
    530 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
    531 	if (!adbkbd_wait(sc, 10)) {
    532 		printf("unable to read LED state\n");
    533 		return;
    534 	}
    535 	sc->sc_have_led_control = 1;
    536 	DPRINTF("have LED control\n");
    537 	return;
    538 }
    539 
    540 static int
    541 adbkbd_enable(void *v, int on)
    542 {
    543 	return 0;
    544 }
    545 
    546 static int
    547 adbkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    548 {
    549 	struct adbkbd_softc *sc = (struct adbkbd_softc *) v;
    550 
    551 	switch (cmd) {
    552 
    553 	case WSKBDIO_GTYPE:
    554 		*(int *)data = WSKBD_TYPE_ADB;
    555 		return 0;
    556 	case WSKBDIO_SETLEDS:
    557 		adbkbd_set_leds(sc, *(int *)data);
    558 		return 0;
    559 	case WSKBDIO_GETLEDS:
    560 		*(int *)data = sc->sc_leds;
    561 		return 0;
    562 #ifdef WSDISPLAY_COMPAT_RAWKBD
    563 	case WSKBDIO_SETMODE:
    564 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
    565 		return 0;
    566 #endif
    567 	}
    568 
    569 	return EPASSTHROUGH;
    570 }
    571 
    572 int
    573 adbkbd_cnattach()
    574 {
    575 
    576 	adbkbd_is_console = 1;
    577 	return 0;
    578 }
    579 
    580 static void
    581 adbkbd_cngetc(void *v, u_int *type, int *data)
    582 {
    583 	struct adbkbd_softc *sc = v;
    584 	int key, press, val;
    585 	int s;
    586 
    587 	s = splhigh();
    588 
    589 	KASSERT(sc->sc_poll);
    590 
    591 	DPRINTF("polling...");
    592 	while (sc->sc_polled_chars == 0) {
    593 		sc->sc_ops->poll(sc->sc_ops->cookie);
    594 	}
    595 	DPRINTF(" got one\n");
    596 	splx(s);
    597 
    598 	key = sc->sc_pollbuf[0];
    599 	sc->sc_polled_chars--;
    600 	memmove(sc->sc_pollbuf, sc->sc_pollbuf + 1,
    601 		sc->sc_polled_chars);
    602 
    603 	press = ADBK_PRESS(key);
    604 	val = ADBK_KEYVAL(key);
    605 
    606 	*data = val;
    607 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    608 }
    609 
    610 static void
    611 adbkbd_cnpollc(void *v, int on)
    612 {
    613 	struct adbkbd_softc *sc = v;
    614 
    615 	sc->sc_poll = on;
    616 	if (!on) {
    617 		int i;
    618 
    619 		/* feed the poll buffer's content to wskbd */
    620 		for (i = 0; i < sc->sc_polled_chars; i++) {
    621 			adbkbd_key(sc, sc->sc_pollbuf[i]);
    622 		}
    623 		sc->sc_polled_chars = 0;
    624 	}
    625 }
    626 
    627 #if NWSMOUSE > 0
    628 /* stuff for the pseudo mouse */
    629 static int
    630 adbkms_enable(void *v)
    631 {
    632 	return 0;
    633 }
    634 
    635 static int
    636 adbkms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    637 {
    638 
    639 	switch (cmd) {
    640 	case WSMOUSEIO_GTYPE:
    641 		*(u_int *)data = WSMOUSE_TYPE_PSEUDO;
    642 		break;
    643 
    644 	default:
    645 		return (EPASSTHROUGH);
    646 	}
    647 	return (0);
    648 }
    649 
    650 static void
    651 adbkms_disable(void *v)
    652 {
    653 }
    654 
    655 static void
    656 adbkbd_setup_sysctl(struct adbkbd_softc *sc)
    657 {
    658 	struct sysctlnode *node, *me;
    659 	int ret;
    660 
    661 	DPRINTF("%s: sysctl setup\n", device_xname(sc->sc_dev));
    662 	ret = sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&me,
    663 	       CTLFLAG_READWRITE,
    664 	       CTLTYPE_NODE, device_xname(sc->sc_dev), NULL,
    665 	       NULL, 0, NULL, 0,
    666 	       CTL_MACHDEP, CTL_CREATE, CTL_EOL);
    667 
    668 	ret = sysctl_createv(NULL, 0, NULL,
    669 	    (const struct sysctlnode **)&node,
    670 	    CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
    671 	    CTLTYPE_INT, "middle", "middle mouse button", adbkbd_sysctl_button,
    672 		    1, NULL, 0, CTL_MACHDEP, me->sysctl_num, CTL_CREATE,
    673 		    CTL_EOL);
    674 	node->sysctl_data = sc;
    675 
    676 	ret = sysctl_createv(NULL, 0, NULL,
    677 	    (const struct sysctlnode **)&node,
    678 	    CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
    679 	    CTLTYPE_INT, "right", "right mouse button", adbkbd_sysctl_button,
    680 		    2, NULL, 0, CTL_MACHDEP, me->sysctl_num, CTL_CREATE,
    681 		    CTL_EOL);
    682 	node->sysctl_data = sc;
    683 }
    684 
    685 static int
    686 adbkbd_sysctl_button(SYSCTLFN_ARGS)
    687 {
    688 	struct sysctlnode node = *rnode;
    689 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
    690 	const int *np = newp;
    691 	int btn = node.sysctl_idata, reg;
    692 
    693 	DPRINTF("adbkbd_sysctl_button %d\n", btn);
    694 	node.sysctl_idata = sc->sc_trans[btn];
    695 	reg = sc->sc_trans[btn];
    696 	if (np) {
    697 		/* we're asked to write */
    698 		node.sysctl_data = &reg;
    699 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
    700 
    701 			sc->sc_trans[btn] = node.sysctl_idata;
    702 			return 0;
    703 		}
    704 		return EINVAL;
    705 	} else {
    706 		node.sysctl_size = 4;
    707 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
    708 	}
    709 }
    710 
    711 SYSCTL_SETUP(sysctl_adbkbdtrans_setup, "adbkbd translator setup")
    712 {
    713 
    714 	sysctl_createv(NULL, 0, NULL, NULL,
    715 		       CTLFLAG_PERMANENT,
    716 		       CTLTYPE_NODE, "machdep", NULL,
    717 		       NULL, 0, NULL, 0,
    718 		       CTL_MACHDEP, CTL_EOL);
    719 }
    720 #endif /* NWSMOUSE > 0 */
    721