xref: /netbsd-src/sys/dev/adb/adb_kbd.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /*	$NetBSD: adb_kbd.c,v 1.26 2015/07/29 08:45:28 christos 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 1.26 2015/07/29 08:45:28 christos 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 "opt_adbkbd.h"
65 #include "adbdebug.h"
66 #include "wsmouse.h"
67 
68 struct adbkbd_softc {
69 	device_t sc_dev;
70 	struct adb_device *sc_adbdev;
71 	struct adb_bus_accessops *sc_ops;
72 	device_t sc_wskbddev;
73 #if NWSMOUSE > 0
74 	device_t sc_wsmousedev;
75 #endif
76 	struct sysmon_pswitch sc_sm_pbutton;
77 	int sc_leds;
78 	int sc_have_led_control;
79 	int sc_power_button_delay;
80 	int sc_msg_len;
81 	int sc_event;
82 	int sc_poll;
83 	int sc_polled_chars;
84 	int sc_trans[3];
85 	int sc_capslock;
86 	uint32_t sc_timestamp;
87 #ifdef WSDISPLAY_COMPAT_RAWKBD
88 	int sc_rawkbd;
89 #endif
90 	bool sc_emul_usb;
91 	bool sc_power_dbg;
92 
93 	uint32_t sc_power;
94 	uint8_t sc_buffer[16];
95 	uint8_t sc_pollbuf[16];
96 	uint8_t sc_us, sc_pe;
97 };
98 
99 /*
100  * Function declarations.
101  */
102 static int	adbkbd_match(device_t, cfdata_t, void *);
103 static void	adbkbd_attach(device_t, device_t, void *);
104 
105 static void	adbkbd_initleds(struct adbkbd_softc *);
106 static void	adbkbd_keys(struct adbkbd_softc *, uint8_t, uint8_t);
107 static inline void adbkbd_key(struct adbkbd_softc *, uint8_t);
108 static int	adbkbd_wait(struct adbkbd_softc *, int);
109 
110 /* Driver definition. */
111 CFATTACH_DECL_NEW(adbkbd, sizeof(struct adbkbd_softc),
112     adbkbd_match, adbkbd_attach, NULL, NULL);
113 
114 extern struct cfdriver adbkbd_cd;
115 
116 static int adbkbd_enable(void *, int);
117 static int adbkbd_ioctl(void *, u_long, void *, int, struct lwp *);
118 static void adbkbd_set_leds(void *, int);
119 static void adbkbd_handler(void *, int, uint8_t *);
120 static void adbkbd_powerbutton(void *);
121 
122 struct wskbd_accessops adbkbd_accessops = {
123 	adbkbd_enable,
124 	adbkbd_set_leds,
125 	adbkbd_ioctl,
126 };
127 
128 static void adbkbd_cngetc(void *, u_int *, int *);
129 static void adbkbd_cnpollc(void *, int);
130 
131 struct wskbd_consops adbkbd_consops = {
132 	adbkbd_cngetc,
133 	adbkbd_cnpollc,
134 };
135 
136 struct wskbd_mapdata adbkbd_keymapdata = {
137 	akbd_keydesctab,
138 #ifdef AKBD_LAYOUT
139 	AKBD_LAYOUT,
140 #else
141 	KB_US,
142 #endif
143 };
144 
145 #if NWSMOUSE > 0
146 static int adbkms_enable(void *);
147 static int adbkms_ioctl(void *, u_long, void *, int, struct lwp *);
148 static void adbkms_disable(void *);
149 
150 const struct wsmouse_accessops adbkms_accessops = {
151 	adbkms_enable,
152 	adbkms_ioctl,
153 	adbkms_disable,
154 };
155 
156 static int  adbkbd_sysctl_mid(SYSCTLFN_ARGS);
157 static int  adbkbd_sysctl_right(SYSCTLFN_ARGS);
158 static int  adbkbd_sysctl_usb(SYSCTLFN_ARGS);
159 
160 #endif /* NWSMOUSE > 0 */
161 
162 static void adbkbd_setup_sysctl(struct adbkbd_softc *);
163 
164 #ifdef ADBKBD_DEBUG
165 #define DPRINTF printf
166 #else
167 #define DPRINTF while (0) printf
168 #endif
169 
170 static int adbkbd_is_console = 0;
171 static int adbkbd_console_attached = 0;
172 
173 static int
174 adbkbd_match(device_t parent, cfdata_t cf, void *aux)
175 {
176 	struct adb_attach_args *aaa = aux;
177 
178 	if (aaa->dev->original_addr == ADBADDR_KBD)
179 		return 1;
180 	else
181 		return 0;
182 }
183 
184 static void
185 adbkbd_attach(device_t parent, device_t self, void *aux)
186 {
187 	struct adbkbd_softc *sc = device_private(self);
188 	struct adb_attach_args *aaa = aux;
189 	short cmd;
190 	struct wskbddev_attach_args a;
191 #if NWSMOUSE > 0
192 	struct wsmousedev_attach_args am;
193 #endif
194 	uint8_t buffer[2];
195 
196 	sc->sc_dev = self;
197 	sc->sc_ops = aaa->ops;
198 	sc->sc_adbdev = aaa->dev;
199 	sc->sc_adbdev->cookie = sc;
200 	sc->sc_adbdev->handler = adbkbd_handler;
201 	sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
202 
203 	sc->sc_leds = 0;	/* initially off */
204 	sc->sc_have_led_control = 0;
205 
206 	/*
207 	 * If this is != 0 then pushing the power button will not immadiately
208 	 * send a shutdown event to sysmon but instead require another key
209 	 * press within 5 seconds with a gap of at least two seconds. The
210 	 * reason to do this is the fact that some PowerBook keyboards,
211 	 * like the 2400, 3400 and original G3 have their power buttons
212 	 * right next to the backspace key and it's extremely easy to hit
213 	 * it by accident.
214 	 * On most other keyboards the power button is sufficiently far out
215 	 * of the way so we don't need this.
216 	 */
217 	sc->sc_power_button_delay = 0;
218 	sc->sc_msg_len = 0;
219 	sc->sc_poll = 0;
220 	sc->sc_capslock = 0;
221 	sc->sc_trans[1] = 103;	/* F11 */
222 	sc->sc_trans[2] = 111;	/* F12 */
223 
224 	/*
225 	 * Most ADB keyboards send 0x7f 0x7f when the power button is pressed.
226 	 * Some older PowerBooks, like the 3400c, will send a single scancode
227 	 * 0x7e instead. Unfortunately Fn-Command on some more recent *Books
228 	 * sends the same scancode, so by default sc_power is set to a value
229 	 * that can't occur as a scancode and only set to 0x7e on hardware that
230 	 * needs it
231 	 */
232 	sc->sc_power = 0xffff;
233 	sc->sc_timestamp = 0;
234 	sc->sc_emul_usb = FALSE;
235 	sc->sc_power_dbg = FALSE;
236 
237 	aprint_normal(" addr %d: ", sc->sc_adbdev->current_addr);
238 
239 	switch (sc->sc_adbdev->handler_id) {
240 	case ADB_STDKBD:
241 		aprint_normal("standard keyboard\n");
242 		break;
243 	case ADB_ISOKBD:
244 		aprint_normal("standard keyboard (ISO layout)\n");
245 		break;
246 	case ADB_EXTKBD:
247 		cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
248 		sc->sc_msg_len = 0;
249 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
250 		adbkbd_wait(sc, 10);
251 
252 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
253 		/* XXX needs testing */
254 		if (sc->sc_buffer[2] == 0x9a && sc->sc_buffer[3] == 0x20) {
255 			aprint_normal("Mouseman (non-EMP) pseudo keyboard\n");
256 			return;
257 		} else if (sc->sc_buffer[2] == 0x9a &&
258 		    sc->sc_buffer[3] == 0x21) {
259 			aprint_normal("Trackman (non-EMP) pseudo keyboard\n");
260 			return;
261 		} else {
262 			aprint_normal("extended keyboard\n");
263 			adbkbd_initleds(sc);
264 		}
265 		break;
266 	case ADB_EXTISOKBD:
267 		aprint_normal("extended keyboard (ISO layout)\n");
268 		adbkbd_initleds(sc);
269 		break;
270 	case ADB_KBDII:
271 		aprint_normal("keyboard II\n");
272 		break;
273 	case ADB_ISOKBDII:
274 		aprint_normal("keyboard II (ISO layout)\n");
275 		break;
276 	case ADB_PBKBD:
277 		aprint_normal("PowerBook keyboard\n");
278 		sc->sc_power = 0x7e;
279 		sc->sc_power_button_delay = 1;
280 		break;
281 	case ADB_PBISOKBD:
282 		aprint_normal("PowerBook keyboard (ISO layout)\n");
283 		sc->sc_power = 0x7e;
284 		sc->sc_power_button_delay = 1;
285 		break;
286 	case ADB_ADJKPD:
287 		aprint_normal("adjustable keypad\n");
288 		break;
289 	case ADB_ADJKBD:
290 		aprint_normal("adjustable keyboard\n");
291 		break;
292 	case ADB_ADJISOKBD:
293 		aprint_normal("adjustable keyboard (ISO layout)\n");
294 		break;
295 	case ADB_ADJJAPKBD:
296 		aprint_normal("adjustable keyboard (Japanese layout)\n");
297 		break;
298 	case ADB_PBEXTISOKBD:
299 		aprint_normal("PowerBook extended keyboard (ISO layout)\n");
300 		sc->sc_power_button_delay = 1;
301 		sc->sc_power = 0x7e;
302 		break;
303 	case ADB_PBEXTJAPKBD:
304 		aprint_normal("PowerBook extended keyboard (Japanese layout)\n");
305 		sc->sc_power_button_delay = 1;
306 		sc->sc_power = 0x7e;
307 		break;
308 	case ADB_JPKBDII:
309 		aprint_normal("keyboard II (Japanese layout)\n");
310 		break;
311 	case ADB_PBEXTKBD:
312 		aprint_normal("PowerBook extended keyboard\n");
313 		sc->sc_power_button_delay = 1;
314 		sc->sc_power = 0x7e;
315 		break;
316 	case ADB_DESIGNKBD:
317 		aprint_normal("extended keyboard\n");
318 		adbkbd_initleds(sc);
319 		break;
320 	case ADB_PBJPKBD:
321 		aprint_normal("PowerBook keyboard (Japanese layout)\n");
322 		sc->sc_power_button_delay = 1;
323 		sc->sc_power = 0x7e;
324 		break;
325 	case ADB_PBG3KBD:
326 		aprint_normal("PowerBook G3 keyboard\n");
327 		break;
328 	case ADB_PBG3JPKBD:
329 		aprint_normal("PowerBook G3 keyboard (Japanese layout)\n");
330 		break;
331 	case ADB_IBOOKKBD:
332 		aprint_normal("iBook keyboard\n");
333 		break;
334 	default:
335 		aprint_normal("mapped device (%d)\n", sc->sc_adbdev->handler_id);
336 		break;
337 	}
338 
339 	/*
340 	 * try to switch to extended protocol
341 	 * as in, tell the keyboard to distinguish between left and right
342 	 * Shift, Control and Alt keys
343 	 */
344 	cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 3);
345 	buffer[0] = sc->sc_adbdev->current_addr;
346 	buffer[1] = 3;
347 	sc->sc_msg_len = 0;
348 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2, buffer);
349 	adbkbd_wait(sc, 10);
350 
351 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 3);
352 	sc->sc_msg_len = 0;
353 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
354 	adbkbd_wait(sc, 10);
355 	if ((sc->sc_msg_len == 4) && (sc->sc_buffer[3] == 3)) {
356 		aprint_verbose_dev(sc->sc_dev, "extended protocol enabled\n");
357 	}
358 
359 #ifdef ADBKBD_DEBUG
360 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
361 	sc->sc_msg_len = 0;
362 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
363 	adbkbd_wait(sc, 10);
364 	printf("buffer: %02x %02x\n", sc->sc_buffer[0], sc->sc_buffer[1]);
365 #endif
366 
367 	if (adbkbd_is_console && (adbkbd_console_attached == 0)) {
368 		wskbd_cnattach(&adbkbd_consops, sc, &adbkbd_keymapdata);
369 		adbkbd_console_attached = 1;
370 		a.console = 1;
371 	} else {
372 		a.console = 0;
373 	}
374 	a.keymap = &adbkbd_keymapdata;
375 	a.accessops = &adbkbd_accessops;
376 	a.accesscookie = sc;
377 
378 	sc->sc_wskbddev = config_found_ia(self, "wskbddev", &a, wskbddevprint);
379 #ifdef ADBKBD_EMUL_USB
380 	sc->sc_emul_usb = TRUE;
381 	wskbd_set_evtrans(sc->sc_wskbddev, adb_to_usb, 128);
382 #endif /* ADBKBD_EMUL_USB */
383 
384 #if NWSMOUSE > 0
385 	/* attach the mouse device */
386 	am.accessops = &adbkms_accessops;
387 	am.accesscookie = sc;
388 	sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &am,
389 	    wsmousedevprint);
390 
391 #endif
392 	adbkbd_setup_sysctl(sc);
393 
394 	/* finally register the power button */
395 	sysmon_task_queue_init();
396 	memset(&sc->sc_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
397 	sc->sc_sm_pbutton.smpsw_name = device_xname(sc->sc_dev);
398 	sc->sc_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
399 	if (sysmon_pswitch_register(&sc->sc_sm_pbutton) != 0)
400 		aprint_error_dev(sc->sc_dev,
401 		    "unable to register power button with sysmon\n");
402 }
403 
404 static void
405 adbkbd_handler(void *cookie, int len, uint8_t *data)
406 {
407 	struct adbkbd_softc *sc = cookie;
408 
409 #ifdef ADBKBD_DEBUG
410 	int i;
411 	printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
412 	for (i = 0; i < len; i++) {
413 		printf(" %02x", data[i]);
414 	}
415 	printf("\n");
416 #endif
417 	if (len >= 2) {
418 		if (data[1] == sc->sc_us) {
419 			adbkbd_keys(sc, data[2], data[3]);
420 			return;
421 		} else {
422 			memcpy(sc->sc_buffer, data, len);
423 		}
424 		sc->sc_msg_len = len;
425 		wakeup(&sc->sc_event);
426 	} else {
427 		DPRINTF("bogus message\n");
428 	}
429 }
430 
431 static int
432 adbkbd_wait(struct adbkbd_softc *sc, int timeout)
433 {
434 	int cnt = 0;
435 
436 	if (sc->sc_poll) {
437 		while (sc->sc_msg_len == 0) {
438 			sc->sc_ops->poll(sc->sc_ops->cookie);
439 		}
440 	} else {
441 		while ((sc->sc_msg_len == 0) && (cnt < timeout)) {
442 			tsleep(&sc->sc_event, 0, "adbkbdio", hz);
443 			cnt++;
444 		}
445 	}
446 	return (sc->sc_msg_len > 0);
447 }
448 
449 static void
450 adbkbd_keys(struct adbkbd_softc *sc, uint8_t k1, uint8_t k2)
451 {
452 
453 	/* keyboard event processing */
454 
455 	DPRINTF("[%02x %02x]", k1, k2);
456 
457 	if (((k1 == k2) && (k1 == 0x7f)) || (k1 == sc->sc_power)) {
458 		uint32_t now = time_second;
459 		uint32_t diff = now - sc->sc_timestamp;
460 
461 		sc->sc_timestamp = now;
462 		if (((diff > 1) && (diff < 5)) ||
463 		     (sc->sc_power_button_delay == 0)) {
464 
465 			/* power button, report to sysmon */
466 			sc->sc_pe = k1;
467 			sysmon_task_queue_sched(0, adbkbd_powerbutton, sc);
468 		}
469 	} else {
470 
471 		adbkbd_key(sc, k1);
472 		if (k2 != 0xff)
473 			adbkbd_key(sc, k2);
474 	}
475 }
476 
477 static void
478 adbkbd_powerbutton(void *cookie)
479 {
480 	struct adbkbd_softc *sc = cookie;
481 
482 	if (sc->sc_power_dbg) {
483 #ifdef DDB
484 		Debugger();
485 #else
486 		printf("kernel is not compiled with DDB support\n");
487 #endif
488 	} else {
489 		sysmon_pswitch_event(&sc->sc_sm_pbutton,
490 		    ADBK_PRESS(sc->sc_pe) ? PSWITCH_EVENT_PRESSED :
491 		    PSWITCH_EVENT_RELEASED);
492 	}
493 }
494 
495 static inline void
496 adbkbd_key(struct adbkbd_softc *sc, uint8_t k)
497 {
498 
499 	if (sc->sc_poll) {
500 		if (sc->sc_polled_chars >= 16) {
501 			aprint_error_dev(sc->sc_dev,"polling buffer is full\n");
502 		}
503 		sc->sc_pollbuf[sc->sc_polled_chars] = k;
504 		sc->sc_polled_chars++;
505 		return;
506 	}
507 
508 #if NWSMOUSE > 0
509 	/* translate some keys to mouse events */
510 	if (sc->sc_wsmousedev != NULL) {
511 		if (ADBK_KEYVAL(k) == sc->sc_trans[1]) {
512 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 2 : 0,
513 			      0, 0, 0, 0,
514 			      WSMOUSE_INPUT_DELTA);
515 			return;
516 		}
517 		if (ADBK_KEYVAL(k) == sc->sc_trans[2]) {
518 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 4 : 0,
519 			      0, 0, 0, 0,
520 			      WSMOUSE_INPUT_DELTA);
521 			return;
522 		}
523 	}
524 #endif
525 
526 #ifdef WSDISPLAY_COMPAT_RAWKBD
527 	if (sc->sc_rawkbd) {
528 		char cbuf[2];
529 		int s;
530 
531 		cbuf[0] = k;
532 
533 		s = spltty();
534 		wskbd_rawinput(sc->sc_wskbddev, cbuf, 1);
535 		splx(s);
536 	} else {
537 #endif
538 
539 	if (ADBK_KEYVAL(k) == 0x39) {
540 		/* caps lock - send up and down */
541 		if (ADBK_PRESS(k) != sc->sc_capslock) {
542 			sc->sc_capslock = ADBK_PRESS(k);
543 			wskbd_input(sc->sc_wskbddev,
544 			    WSCONS_EVENT_KEY_DOWN, 0x39);
545 			wskbd_input(sc->sc_wskbddev,
546 			    WSCONS_EVENT_KEY_UP, 0x39);
547 		}
548 	} else {
549 		/* normal event */
550 		int type;
551 
552 		type = ADBK_PRESS(k) ?
553 		    WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
554 		wskbd_input(sc->sc_wskbddev, type, ADBK_KEYVAL(k));
555 	}
556 #ifdef WSDISPLAY_COMPAT_RAWKBD
557 	}
558 #endif
559 }
560 
561 /*
562  * Set the keyboard LED's.
563  *
564  * Automatically translates from ioctl/softc format to the
565  * actual keyboard register format
566  */
567 static void
568 adbkbd_set_leds(void *cookie, int leds)
569 {
570 	struct adbkbd_softc *sc = cookie;
571 	int aleds;
572 	short cmd;
573 	uint8_t buffer[2];
574 
575 	DPRINTF("adbkbd_set_leds: %02x\n", leds);
576 	if ((leds & 0x07) == (sc->sc_leds & 0x07))
577 		return;
578 
579  	if (sc->sc_have_led_control) {
580 
581 		aleds = (~leds & 0x04) | 3;
582 		if (leds & 1)
583 			aleds &= ~2;
584 		if (leds & 2)
585 			aleds &= ~1;
586 
587 		buffer[0] = 0xff;
588 		buffer[1] = aleds | 0xf8;
589 
590 		cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 2);
591 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2,
592 		    buffer);
593 	}
594 
595 	sc->sc_leds = leds & 7;
596 }
597 
598 static void
599 adbkbd_initleds(struct adbkbd_softc *sc)
600 {
601 	short cmd;
602 
603 	/* talk R2 */
604 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 2);
605 	sc->sc_msg_len = 0;
606 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
607 	if (!adbkbd_wait(sc, 10)) {
608 		aprint_error_dev(sc->sc_dev, "unable to read LED state\n");
609 		return;
610 	}
611 	sc->sc_have_led_control = 1;
612 	DPRINTF("have LED control\n");
613 	return;
614 }
615 
616 static int
617 adbkbd_enable(void *v, int on)
618 {
619 	return 0;
620 }
621 
622 static int
623 adbkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
624 {
625 	struct adbkbd_softc *sc = (struct adbkbd_softc *) v;
626 
627 	switch (cmd) {
628 
629 	case WSKBDIO_GTYPE:
630 		if (sc->sc_emul_usb) {
631 			*(int *)data = WSKBD_TYPE_USB;
632 		} else {
633 			*(int *)data = WSKBD_TYPE_ADB;
634 		}
635 		return 0;
636 	case WSKBDIO_SETLEDS:
637 		adbkbd_set_leds(sc, *(int *)data);
638 		return 0;
639 	case WSKBDIO_GETLEDS:
640 		*(int *)data = sc->sc_leds;
641 		return 0;
642 #ifdef WSDISPLAY_COMPAT_RAWKBD
643 	case WSKBDIO_SETMODE:
644 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
645 		return 0;
646 #endif
647 	}
648 
649 	return EPASSTHROUGH;
650 }
651 
652 int
653 adbkbd_cnattach(void)
654 {
655 
656 	adbkbd_is_console = 1;
657 	return 0;
658 }
659 
660 static void
661 adbkbd_cngetc(void *v, u_int *type, int *data)
662 {
663 	struct adbkbd_softc *sc = v;
664 	int key, press, val;
665 	int s;
666 
667 	s = splhigh();
668 
669 	KASSERT(sc->sc_poll);
670 
671 	DPRINTF("polling...");
672 	while (sc->sc_polled_chars == 0) {
673 		sc->sc_ops->poll(sc->sc_ops->cookie);
674 	}
675 	DPRINTF(" got one\n");
676 	splx(s);
677 
678 	key = sc->sc_pollbuf[0];
679 	sc->sc_polled_chars--;
680 	memmove(sc->sc_pollbuf, sc->sc_pollbuf + 1,
681 		sc->sc_polled_chars);
682 
683 	press = ADBK_PRESS(key);
684 	val = ADBK_KEYVAL(key);
685 
686 	*data = val;
687 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
688 }
689 
690 static void
691 adbkbd_cnpollc(void *v, int on)
692 {
693 	struct adbkbd_softc *sc = v;
694 
695 	sc->sc_poll = on;
696 	if (!on) {
697 		int i;
698 
699 		/* feed the poll buffer's content to wskbd */
700 		for (i = 0; i < sc->sc_polled_chars; i++) {
701 			adbkbd_key(sc, sc->sc_pollbuf[i]);
702 		}
703 		sc->sc_polled_chars = 0;
704 	}
705 }
706 
707 #if NWSMOUSE > 0
708 /* stuff for the pseudo mouse */
709 static int
710 adbkms_enable(void *v)
711 {
712 	return 0;
713 }
714 
715 static int
716 adbkms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
717 {
718 
719 	switch (cmd) {
720 	case WSMOUSEIO_GTYPE:
721 		*(u_int *)data = WSMOUSE_TYPE_PSEUDO;
722 		break;
723 
724 	default:
725 		return (EPASSTHROUGH);
726 	}
727 	return (0);
728 }
729 
730 static void
731 adbkms_disable(void *v)
732 {
733 }
734 
735 static int
736 adbkbd_sysctl_mid(SYSCTLFN_ARGS)
737 {
738 	struct sysctlnode node = *rnode;
739 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
740 	const int *np = newp;
741 	int reg;
742 
743 	DPRINTF("adbkbd_sysctl_mid\n");
744 	reg = sc->sc_trans[1];
745 	if (np) {
746 		/* we're asked to write */
747 		node.sysctl_data = &reg;
748 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
749 
750 			sc->sc_trans[1] = *(int *)node.sysctl_data;
751 			return 0;
752 		}
753 		return EINVAL;
754 	} else {
755 		node.sysctl_data = &reg;
756 		node.sysctl_size = 4;
757 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
758 	}
759 }
760 
761 static int
762 adbkbd_sysctl_right(SYSCTLFN_ARGS)
763 {
764 	struct sysctlnode node = *rnode;
765 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
766 	const int *np = newp;
767 	int reg;
768 
769 	DPRINTF("adbkbd_sysctl_right\n");
770 	reg = sc->sc_trans[2];
771 	if (np) {
772 		/* we're asked to write */
773 		node.sysctl_data = &reg;
774 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
775 
776 			sc->sc_trans[2] = *(int *)node.sysctl_data;
777 			return 0;
778 		}
779 		return EINVAL;
780 	} else {
781 		node.sysctl_data = &reg;
782 		node.sysctl_size = 4;
783 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
784 	}
785 }
786 
787 #endif /* NWSMOUSE > 0 */
788 
789 static int
790 adbkbd_sysctl_usb(SYSCTLFN_ARGS)
791 {
792 	struct sysctlnode node = *rnode;
793 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
794 	const int *np = newp;
795 	bool reg;
796 
797 	DPRINTF("%s\n", __func__);
798 	reg = sc->sc_emul_usb;
799 	if (np) {
800 		/* we're asked to write */
801 		node.sysctl_data = &reg;
802 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
803 
804 			sc->sc_emul_usb = *(bool *)node.sysctl_data;
805 			if (sc->sc_emul_usb) {
806 				wskbd_set_evtrans(sc->sc_wskbddev,
807 				    adb_to_usb, 128);
808 			} else {
809 				wskbd_set_evtrans(sc->sc_wskbddev, NULL, 0);
810 			}
811 			return 0;
812 		}
813 		return EINVAL;
814 	} else {
815 		node.sysctl_data = &reg;
816 		node.sysctl_size = sizeof(reg);
817 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
818 	}
819 }
820 
821 static int
822 adbkbd_sysctl_dbg(SYSCTLFN_ARGS)
823 {
824 	struct sysctlnode node = *rnode;
825 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
826 	const int *np = newp;
827 	bool reg;
828 
829 	DPRINTF("%s\n", __func__);
830 	reg = sc->sc_power_dbg;
831 	if (np) {
832 		/* we're asked to write */
833 		node.sysctl_data = &reg;
834 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
835 
836 			sc->sc_power_dbg = *(bool *)node.sysctl_data;
837 			return 0;
838 		}
839 		return EINVAL;
840 	} else {
841 		node.sysctl_data = &reg;
842 		node.sysctl_size = sizeof(reg);
843 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
844 	}
845 }
846 
847 static void
848 adbkbd_setup_sysctl(struct adbkbd_softc *sc)
849 {
850 	const struct sysctlnode *me, *node;
851 	int ret;
852 
853 	DPRINTF("%s: sysctl setup\n", device_xname(sc->sc_dev));
854 	ret = sysctl_createv(NULL, 0, NULL, &me,
855 	       CTLFLAG_READWRITE,
856 	       CTLTYPE_NODE, device_xname(sc->sc_dev), NULL,
857 	       NULL, 0, NULL, 0,
858 	       CTL_MACHDEP, CTL_CREATE, CTL_EOL);
859 	ret = sysctl_createv(NULL, 0, NULL,
860 	    (void *)&node,
861 	    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
862 	    CTLTYPE_BOOL, "emulate_usb", "USB keyboard emulation",
863 	    adbkbd_sysctl_usb, 1, (void *)sc, 0, CTL_MACHDEP,
864 	    me->sysctl_num, CTL_CREATE, CTL_EOL);
865 	ret = sysctl_createv(NULL, 0, NULL,
866 	    (void *)&node,
867 	    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
868 	    CTLTYPE_BOOL, "power_ddb", "power button triggers ddb",
869 	    adbkbd_sysctl_dbg, 1, (void *)sc, 0, CTL_MACHDEP,
870 	    me->sysctl_num, CTL_CREATE, CTL_EOL);
871 #if NWSMOUSE > 0
872 	if (sc->sc_wsmousedev != NULL) {
873 		ret = sysctl_createv(NULL, 0, NULL,
874 		    (void *)&node,
875 		    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
876 		    CTLTYPE_INT, "middle", "middle mouse button",
877 		    adbkbd_sysctl_mid, 1, (void *)sc, 0, CTL_MACHDEP,
878 		    me->sysctl_num, CTL_CREATE, CTL_EOL);
879 
880 		ret = sysctl_createv(NULL, 0, NULL,
881 		    (void *)&node,
882 		    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
883 		    CTLTYPE_INT, "right", "right mouse button",
884 		    adbkbd_sysctl_right, 2, (void *)sc, 0, CTL_MACHDEP,
885 		    me->sysctl_num, CTL_CREATE, CTL_EOL);
886 	}
887 #endif /* NWSMOUSE > 0 */
888 
889 	(void)ret;
890 }
891 
892 SYSCTL_SETUP(sysctl_adbkbdtrans_setup, "adbkbd translator setup")
893 {
894 
895 	sysctl_createv(NULL, 0, NULL, NULL,
896 		       CTLFLAG_PERMANENT,
897 		       CTLTYPE_NODE, "machdep", NULL,
898 		       NULL, 0, NULL, 0,
899 		       CTL_MACHDEP, CTL_EOL);
900 }
901