xref: /netbsd-src/sys/dev/adb/adb_kbd.c (revision 6a493d6bc668897c91594964a732d38505b70cbb)
1 /*	$NetBSD: adb_kbd.c,v 1.22 2013/11/18 11:02:34 nisimura 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 1.22 2013/11/18 11:02:34 nisimura 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 
92 	uint32_t sc_power;
93 	uint8_t sc_buffer[16];
94 	uint8_t sc_pollbuf[16];
95 	uint8_t sc_us, sc_pe;
96 };
97 
98 /*
99  * Function declarations.
100  */
101 static int	adbkbd_match(device_t, cfdata_t, void *);
102 static void	adbkbd_attach(device_t, device_t, void *);
103 
104 static void	adbkbd_initleds(struct adbkbd_softc *);
105 static void	adbkbd_keys(struct adbkbd_softc *, uint8_t, uint8_t);
106 static inline void adbkbd_key(struct adbkbd_softc *, uint8_t);
107 static int	adbkbd_wait(struct adbkbd_softc *, int);
108 
109 /* Driver definition. */
110 CFATTACH_DECL_NEW(adbkbd, sizeof(struct adbkbd_softc),
111     adbkbd_match, adbkbd_attach, NULL, NULL);
112 
113 extern struct cfdriver adbkbd_cd;
114 
115 static int adbkbd_enable(void *, int);
116 static int adbkbd_ioctl(void *, u_long, void *, int, struct lwp *);
117 static void adbkbd_set_leds(void *, int);
118 static void adbkbd_handler(void *, int, uint8_t *);
119 static void adbkbd_powerbutton(void *);
120 
121 struct wskbd_accessops adbkbd_accessops = {
122 	adbkbd_enable,
123 	adbkbd_set_leds,
124 	adbkbd_ioctl,
125 };
126 
127 static void adbkbd_cngetc(void *, u_int *, int *);
128 static void adbkbd_cnpollc(void *, int);
129 
130 struct wskbd_consops adbkbd_consops = {
131 	adbkbd_cngetc,
132 	adbkbd_cnpollc,
133 };
134 
135 struct wskbd_mapdata adbkbd_keymapdata = {
136 	akbd_keydesctab,
137 #ifdef AKBD_LAYOUT
138 	AKBD_LAYOUT,
139 #else
140 	KB_US,
141 #endif
142 };
143 
144 #if NWSMOUSE > 0
145 static int adbkms_enable(void *);
146 static int adbkms_ioctl(void *, u_long, void *, int, struct lwp *);
147 static void adbkms_disable(void *);
148 
149 const struct wsmouse_accessops adbkms_accessops = {
150 	adbkms_enable,
151 	adbkms_ioctl,
152 	adbkms_disable,
153 };
154 
155 static int  adbkbd_sysctl_mid(SYSCTLFN_ARGS);
156 static int  adbkbd_sysctl_right(SYSCTLFN_ARGS);
157 static int  adbkbd_sysctl_usb(SYSCTLFN_ARGS);
158 
159 #endif /* NWSMOUSE > 0 */
160 
161 static void adbkbd_setup_sysctl(struct adbkbd_softc *);
162 
163 #ifdef ADBKBD_DEBUG
164 #define DPRINTF printf
165 #else
166 #define DPRINTF while (0) printf
167 #endif
168 
169 static int adbkbd_is_console = 0;
170 static int adbkbd_console_attached = 0;
171 
172 static int
173 adbkbd_match(device_t parent, cfdata_t cf, void *aux)
174 {
175 	struct adb_attach_args *aaa = aux;
176 
177 	if (aaa->dev->original_addr == ADBADDR_KBD)
178 		return 1;
179 	else
180 		return 0;
181 }
182 
183 static void
184 adbkbd_attach(device_t parent, device_t self, void *aux)
185 {
186 	struct adbkbd_softc *sc = device_private(self);
187 	struct adb_attach_args *aaa = aux;
188 	short cmd;
189 	struct wskbddev_attach_args a;
190 #if NWSMOUSE > 0
191 	struct wsmousedev_attach_args am;
192 #endif
193 
194 	sc->sc_dev = self;
195 	sc->sc_ops = aaa->ops;
196 	sc->sc_adbdev = aaa->dev;
197 	sc->sc_adbdev->cookie = sc;
198 	sc->sc_adbdev->handler = adbkbd_handler;
199 	sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
200 
201 	sc->sc_leds = 0;	/* initially off */
202 	sc->sc_have_led_control = 0;
203 
204 	/*
205 	 * If this is != 0 then pushing the power button will not immadiately
206 	 * send a shutdown event to sysmon but instead require another key
207 	 * press within 5 seconds with a gap of at least two seconds. The
208 	 * reason to do this is the fact that some PowerBook keyboards,
209 	 * like the 2400, 3400 and original G3 have their power buttons
210 	 * right next to the backspace key and it's extremely easy to hit
211 	 * it by accident.
212 	 * On most other keyboards the power button is sufficiently far out
213 	 * of the way so we don't need this.
214 	 */
215 	sc->sc_power_button_delay = 0;
216 	sc->sc_msg_len = 0;
217 	sc->sc_poll = 0;
218 	sc->sc_capslock = 0;
219 	sc->sc_trans[1] = 103;	/* F11 */
220 	sc->sc_trans[2] = 111;	/* F12 */
221 
222 	/*
223 	 * Most ADB keyboards send 0x7f 0x7f when the power button is pressed.
224 	 * Some older PowerBooks, like the 3400c, will send a single scancode
225 	 * 0x7e instead. Unfortunately Fn-Command on some more recent *Books
226 	 * sends the same scancode, so by default sc_power is set to a value
227 	 * that can't occur as a scancode and only set to 0x7e on hardware that
228 	 * needs it
229 	 */
230 	sc->sc_power = 0xffff;
231 	sc->sc_timestamp = 0;
232 	sc->sc_emul_usb = FALSE;
233 
234 	printf(" addr %d: ", sc->sc_adbdev->current_addr);
235 
236 	switch (sc->sc_adbdev->handler_id) {
237 	case ADB_STDKBD:
238 		printf("standard keyboard\n");
239 		break;
240 	case ADB_ISOKBD:
241 		printf("standard keyboard (ISO layout)\n");
242 		break;
243 	case ADB_EXTKBD:
244 		cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
245 		sc->sc_msg_len = 0;
246 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
247 		adbkbd_wait(sc, 10);
248 
249 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
250 		/* XXX needs testing */
251 		if (sc->sc_buffer[2] == 0x9a && sc->sc_buffer[3] == 0x20) {
252 			printf("Mouseman (non-EMP) pseudo keyboard\n");
253 			return;
254 		} else if (sc->sc_buffer[2] == 0x9a &&
255 		    sc->sc_buffer[3] == 0x21) {
256 			printf("Trackman (non-EMP) pseudo keyboard\n");
257 			return;
258 		} else {
259 			printf("extended keyboard\n");
260 			adbkbd_initleds(sc);
261 		}
262 		break;
263 	case ADB_EXTISOKBD:
264 		printf("extended keyboard (ISO layout)\n");
265 		adbkbd_initleds(sc);
266 		break;
267 	case ADB_KBDII:
268 		printf("keyboard II\n");
269 		break;
270 	case ADB_ISOKBDII:
271 		printf("keyboard II (ISO layout)\n");
272 		break;
273 	case ADB_PBKBD:
274 		printf("PowerBook keyboard\n");
275 		sc->sc_power = 0x7e;
276 		sc->sc_power_button_delay = 1;
277 		break;
278 	case ADB_PBISOKBD:
279 		printf("PowerBook keyboard (ISO layout)\n");
280 		sc->sc_power = 0x7e;
281 		sc->sc_power_button_delay = 1;
282 		break;
283 	case ADB_ADJKPD:
284 		printf("adjustable keypad\n");
285 		break;
286 	case ADB_ADJKBD:
287 		printf("adjustable keyboard\n");
288 		break;
289 	case ADB_ADJISOKBD:
290 		printf("adjustable keyboard (ISO layout)\n");
291 		break;
292 	case ADB_ADJJAPKBD:
293 		printf("adjustable keyboard (Japanese layout)\n");
294 		break;
295 	case ADB_PBEXTISOKBD:
296 		printf("PowerBook extended keyboard (ISO layout)\n");
297 		sc->sc_power_button_delay = 1;
298 		sc->sc_power = 0x7e;
299 		break;
300 	case ADB_PBEXTJAPKBD:
301 		printf("PowerBook extended keyboard (Japanese layout)\n");
302 		sc->sc_power_button_delay = 1;
303 		sc->sc_power = 0x7e;
304 		break;
305 	case ADB_JPKBDII:
306 		printf("keyboard II (Japanese layout)\n");
307 		break;
308 	case ADB_PBEXTKBD:
309 		printf("PowerBook extended keyboard\n");
310 		sc->sc_power_button_delay = 1;
311 		sc->sc_power = 0x7e;
312 		break;
313 	case ADB_DESIGNKBD:
314 		printf("extended keyboard\n");
315 		adbkbd_initleds(sc);
316 		break;
317 	case ADB_PBJPKBD:
318 		printf("PowerBook keyboard (Japanese layout)\n");
319 		sc->sc_power_button_delay = 1;
320 		sc->sc_power = 0x7e;
321 		break;
322 	case ADB_PBG3KBD:
323 		printf("PowerBook G3 keyboard\n");
324 		break;
325 	case ADB_PBG3JPKBD:
326 		printf("PowerBook G3 keyboard (Japanese layout)\n");
327 		break;
328 	case ADB_IBOOKKBD:
329 		printf("iBook keyboard\n");
330 		break;
331 	default:
332 		printf("mapped device (%d)\n", sc->sc_adbdev->handler_id);
333 		break;
334 	}
335 
336 	if (adbkbd_is_console && (adbkbd_console_attached == 0)) {
337 		wskbd_cnattach(&adbkbd_consops, sc, &adbkbd_keymapdata);
338 		adbkbd_console_attached = 1;
339 		a.console = 1;
340 	} else {
341 		a.console = 0;
342 	}
343 	a.keymap = &adbkbd_keymapdata;
344 	a.accessops = &adbkbd_accessops;
345 	a.accesscookie = sc;
346 
347 	sc->sc_wskbddev = config_found_ia(self, "wskbddev", &a, wskbddevprint);
348 #ifdef ADBKBD_EMUL_USB
349 	sc->sc_emul_usb = TRUE;
350 	wskbd_set_evtrans(sc->sc_wskbddev, adb_to_usb, 128);
351 #endif /* ADBKBD_EMUL_USB */
352 
353 #if NWSMOUSE > 0
354 	/* attach the mouse device */
355 	am.accessops = &adbkms_accessops;
356 	am.accesscookie = sc;
357 	sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &am,
358 	    wsmousedevprint);
359 
360 #endif
361 	adbkbd_setup_sysctl(sc);
362 
363 	/* finally register the power button */
364 	sysmon_task_queue_init();
365 	memset(&sc->sc_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
366 	sc->sc_sm_pbutton.smpsw_name = device_xname(sc->sc_dev);
367 	sc->sc_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
368 	if (sysmon_pswitch_register(&sc->sc_sm_pbutton) != 0)
369 		aprint_error_dev(sc->sc_dev,
370 		    "unable to register power button with sysmon\n");
371 }
372 
373 static void
374 adbkbd_handler(void *cookie, int len, uint8_t *data)
375 {
376 	struct adbkbd_softc *sc = cookie;
377 
378 #ifdef ADBKBD_DEBUG
379 	int i;
380 	printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
381 	for (i = 0; i < len; i++) {
382 		printf(" %02x", data[i]);
383 	}
384 	printf("\n");
385 #endif
386 	if (len >= 2) {
387 		if (data[1] == sc->sc_us) {
388 			adbkbd_keys(sc, data[2], data[3]);
389 			return;
390 		} else {
391 			memcpy(sc->sc_buffer, data, len);
392 		}
393 		sc->sc_msg_len = len;
394 		wakeup(&sc->sc_event);
395 	} else {
396 		DPRINTF("bogus message\n");
397 	}
398 }
399 
400 static int
401 adbkbd_wait(struct adbkbd_softc *sc, int timeout)
402 {
403 	int cnt = 0;
404 
405 	if (sc->sc_poll) {
406 		while (sc->sc_msg_len == 0) {
407 			sc->sc_ops->poll(sc->sc_ops->cookie);
408 		}
409 	} else {
410 		while ((sc->sc_msg_len == 0) && (cnt < timeout)) {
411 			tsleep(&sc->sc_event, 0, "adbkbdio", hz);
412 			cnt++;
413 		}
414 	}
415 	return (sc->sc_msg_len > 0);
416 }
417 
418 static void
419 adbkbd_keys(struct adbkbd_softc *sc, uint8_t k1, uint8_t k2)
420 {
421 
422 	/* keyboard event processing */
423 
424 	DPRINTF("[%02x %02x]", k1, k2);
425 
426 	if (((k1 == k2) && (k1 == 0x7f)) || (k1 == sc->sc_power)) {
427 		uint32_t now = time_second;
428 		uint32_t diff = now - sc->sc_timestamp;
429 
430 		sc->sc_timestamp = now;
431 		if (((diff > 1) && (diff < 5)) ||
432 		     (sc->sc_power_button_delay == 0)) {
433 
434 			/* power button, report to sysmon */
435 			sc->sc_pe = k1;
436 			sysmon_task_queue_sched(0, adbkbd_powerbutton, sc);
437 		}
438 	} else {
439 
440 		adbkbd_key(sc, k1);
441 		if (k2 != 0xff)
442 			adbkbd_key(sc, k2);
443 	}
444 }
445 
446 static void
447 adbkbd_powerbutton(void *cookie)
448 {
449 	struct adbkbd_softc *sc = cookie;
450 
451 	sysmon_pswitch_event(&sc->sc_sm_pbutton,
452 	    ADBK_PRESS(sc->sc_pe) ? PSWITCH_EVENT_PRESSED :
453 	    PSWITCH_EVENT_RELEASED);
454 }
455 
456 static inline void
457 adbkbd_key(struct adbkbd_softc *sc, uint8_t k)
458 {
459 
460 	if (sc->sc_poll) {
461 		if (sc->sc_polled_chars >= 16) {
462 			aprint_error_dev(sc->sc_dev,"polling buffer is full\n");
463 		}
464 		sc->sc_pollbuf[sc->sc_polled_chars] = k;
465 		sc->sc_polled_chars++;
466 		return;
467 	}
468 
469 #if NWSMOUSE > 0
470 	/* translate some keys to mouse events */
471 	if (sc->sc_wsmousedev != NULL) {
472 		if (ADBK_KEYVAL(k) == sc->sc_trans[1]) {
473 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 2 : 0,
474 			      0, 0, 0, 0,
475 			      WSMOUSE_INPUT_DELTA);
476 			return;
477 		}
478 		if (ADBK_KEYVAL(k) == sc->sc_trans[2]) {
479 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 4 : 0,
480 			      0, 0, 0, 0,
481 			      WSMOUSE_INPUT_DELTA);
482 			return;
483 		}
484 	}
485 #endif
486 
487 #ifdef WSDISPLAY_COMPAT_RAWKBD
488 	if (sc->sc_rawkbd) {
489 		char cbuf[2];
490 		int s;
491 
492 		cbuf[0] = k;
493 
494 		s = spltty();
495 		wskbd_rawinput(sc->sc_wskbddev, cbuf, 1);
496 		splx(s);
497 	} else {
498 #endif
499 
500 	if (ADBK_KEYVAL(k) == 0x39) {
501 		/* caps lock - send up and down */
502 		if (ADBK_PRESS(k) != sc->sc_capslock) {
503 			sc->sc_capslock = ADBK_PRESS(k);
504 			wskbd_input(sc->sc_wskbddev,
505 			    WSCONS_EVENT_KEY_DOWN, 0x39);
506 			wskbd_input(sc->sc_wskbddev,
507 			    WSCONS_EVENT_KEY_UP, 0x39);
508 		}
509 	} else {
510 		/* normal event */
511 		int type;
512 
513 		type = ADBK_PRESS(k) ?
514 		    WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
515 		wskbd_input(sc->sc_wskbddev, type, ADBK_KEYVAL(k));
516 	}
517 #ifdef WSDISPLAY_COMPAT_RAWKBD
518 	}
519 #endif
520 }
521 
522 /*
523  * Set the keyboard LED's.
524  *
525  * Automatically translates from ioctl/softc format to the
526  * actual keyboard register format
527  */
528 static void
529 adbkbd_set_leds(void *cookie, int leds)
530 {
531 	struct adbkbd_softc *sc = cookie;
532 	int aleds;
533 	short cmd;
534 	uint8_t buffer[2];
535 
536 	DPRINTF("adbkbd_set_leds: %02x\n", leds);
537 	if ((leds & 0x07) == (sc->sc_leds & 0x07))
538 		return;
539 
540  	if (sc->sc_have_led_control) {
541 
542 		aleds = (~leds & 0x04) | 3;
543 		if (leds & 1)
544 			aleds &= ~2;
545 		if (leds & 2)
546 			aleds &= ~1;
547 
548 		buffer[0] = 0xff;
549 		buffer[1] = aleds | 0xf8;
550 
551 		cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 2);
552 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2,
553 		    buffer);
554 	}
555 
556 	sc->sc_leds = leds & 7;
557 }
558 
559 static void
560 adbkbd_initleds(struct adbkbd_softc *sc)
561 {
562 	short cmd;
563 
564 	/* talk R2 */
565 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 2);
566 	sc->sc_msg_len = 0;
567 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
568 	if (!adbkbd_wait(sc, 10)) {
569 		printf("unable to read LED state\n");
570 		return;
571 	}
572 	sc->sc_have_led_control = 1;
573 	DPRINTF("have LED control\n");
574 	return;
575 }
576 
577 static int
578 adbkbd_enable(void *v, int on)
579 {
580 	return 0;
581 }
582 
583 static int
584 adbkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
585 {
586 	struct adbkbd_softc *sc = (struct adbkbd_softc *) v;
587 
588 	switch (cmd) {
589 
590 	case WSKBDIO_GTYPE:
591 		if (sc->sc_emul_usb) {
592 			*(int *)data = WSKBD_TYPE_USB;
593 		} else {
594 			*(int *)data = WSKBD_TYPE_ADB;
595 		}
596 		return 0;
597 	case WSKBDIO_SETLEDS:
598 		adbkbd_set_leds(sc, *(int *)data);
599 		return 0;
600 	case WSKBDIO_GETLEDS:
601 		*(int *)data = sc->sc_leds;
602 		return 0;
603 #ifdef WSDISPLAY_COMPAT_RAWKBD
604 	case WSKBDIO_SETMODE:
605 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
606 		return 0;
607 #endif
608 	}
609 
610 	return EPASSTHROUGH;
611 }
612 
613 int
614 adbkbd_cnattach(void)
615 {
616 
617 	adbkbd_is_console = 1;
618 	return 0;
619 }
620 
621 static void
622 adbkbd_cngetc(void *v, u_int *type, int *data)
623 {
624 	struct adbkbd_softc *sc = v;
625 	int key, press, val;
626 	int s;
627 
628 	s = splhigh();
629 
630 	KASSERT(sc->sc_poll);
631 
632 	DPRINTF("polling...");
633 	while (sc->sc_polled_chars == 0) {
634 		sc->sc_ops->poll(sc->sc_ops->cookie);
635 	}
636 	DPRINTF(" got one\n");
637 	splx(s);
638 
639 	key = sc->sc_pollbuf[0];
640 	sc->sc_polled_chars--;
641 	memmove(sc->sc_pollbuf, sc->sc_pollbuf + 1,
642 		sc->sc_polled_chars);
643 
644 	press = ADBK_PRESS(key);
645 	val = ADBK_KEYVAL(key);
646 
647 	*data = val;
648 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
649 }
650 
651 static void
652 adbkbd_cnpollc(void *v, int on)
653 {
654 	struct adbkbd_softc *sc = v;
655 
656 	sc->sc_poll = on;
657 	if (!on) {
658 		int i;
659 
660 		/* feed the poll buffer's content to wskbd */
661 		for (i = 0; i < sc->sc_polled_chars; i++) {
662 			adbkbd_key(sc, sc->sc_pollbuf[i]);
663 		}
664 		sc->sc_polled_chars = 0;
665 	}
666 }
667 
668 #if NWSMOUSE > 0
669 /* stuff for the pseudo mouse */
670 static int
671 adbkms_enable(void *v)
672 {
673 	return 0;
674 }
675 
676 static int
677 adbkms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
678 {
679 
680 	switch (cmd) {
681 	case WSMOUSEIO_GTYPE:
682 		*(u_int *)data = WSMOUSE_TYPE_PSEUDO;
683 		break;
684 
685 	default:
686 		return (EPASSTHROUGH);
687 	}
688 	return (0);
689 }
690 
691 static void
692 adbkms_disable(void *v)
693 {
694 }
695 
696 static int
697 adbkbd_sysctl_mid(SYSCTLFN_ARGS)
698 {
699 	struct sysctlnode node = *rnode;
700 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
701 	const int *np = newp;
702 	int reg;
703 
704 	DPRINTF("adbkbd_sysctl_mid\n");
705 	reg = sc->sc_trans[1];
706 	if (np) {
707 		/* we're asked to write */
708 		node.sysctl_data = &reg;
709 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
710 
711 			sc->sc_trans[1] = *(int *)node.sysctl_data;
712 			return 0;
713 		}
714 		return EINVAL;
715 	} else {
716 		node.sysctl_data = &reg;
717 		node.sysctl_size = 4;
718 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
719 	}
720 }
721 
722 static int
723 adbkbd_sysctl_right(SYSCTLFN_ARGS)
724 {
725 	struct sysctlnode node = *rnode;
726 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
727 	const int *np = newp;
728 	int reg;
729 
730 	DPRINTF("adbkbd_sysctl_right\n");
731 	reg = sc->sc_trans[2];
732 	if (np) {
733 		/* we're asked to write */
734 		node.sysctl_data = &reg;
735 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
736 
737 			sc->sc_trans[2] = *(int *)node.sysctl_data;
738 			return 0;
739 		}
740 		return EINVAL;
741 	} else {
742 		node.sysctl_data = &reg;
743 		node.sysctl_size = 4;
744 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
745 	}
746 }
747 
748 #endif /* NWSMOUSE > 0 */
749 
750 static int
751 adbkbd_sysctl_usb(SYSCTLFN_ARGS)
752 {
753 	struct sysctlnode node = *rnode;
754 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
755 	const int *np = newp;
756 	bool reg;
757 
758 	DPRINTF("%s\n", __func__);
759 	reg = sc->sc_emul_usb;
760 	if (np) {
761 		/* we're asked to write */
762 		node.sysctl_data = &reg;
763 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
764 
765 			sc->sc_emul_usb = *(bool *)node.sysctl_data;
766 			if (sc->sc_emul_usb) {
767 				wskbd_set_evtrans(sc->sc_wskbddev,
768 				    adb_to_usb, 128);
769 			} else {
770 				wskbd_set_evtrans(sc->sc_wskbddev, NULL, 0);
771 			}
772 			return 0;
773 		}
774 		return EINVAL;
775 	} else {
776 		node.sysctl_data = &reg;
777 		node.sysctl_size = sizeof(reg);
778 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
779 	}
780 }
781 
782 static void
783 adbkbd_setup_sysctl(struct adbkbd_softc *sc)
784 {
785 	const struct sysctlnode *me, *node;
786 	int ret;
787 
788 	DPRINTF("%s: sysctl setup\n", device_xname(sc->sc_dev));
789 	ret = sysctl_createv(NULL, 0, NULL, &me,
790 	       CTLFLAG_READWRITE,
791 	       CTLTYPE_NODE, device_xname(sc->sc_dev), NULL,
792 	       NULL, 0, NULL, 0,
793 	       CTL_MACHDEP, CTL_CREATE, CTL_EOL);
794 	ret = sysctl_createv(NULL, 0, NULL,
795 	    (void *)&node,
796 	    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
797 	    CTLTYPE_BOOL, "emulate_usb", "USB keyboard emulation",
798 	    adbkbd_sysctl_usb, 1, (void *)sc, 0, CTL_MACHDEP,
799 	    me->sysctl_num, CTL_CREATE, CTL_EOL);
800 #if NWSMOUSE > 0
801 	if (sc->sc_wsmousedev != NULL) {
802 		ret = sysctl_createv(NULL, 0, NULL,
803 		    (void *)&node,
804 		    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
805 		    CTLTYPE_INT, "middle", "middle mouse button",
806 		    adbkbd_sysctl_mid, 1, (void *)sc, 0, CTL_MACHDEP,
807 		    me->sysctl_num, CTL_CREATE, CTL_EOL);
808 
809 		ret = sysctl_createv(NULL, 0, NULL,
810 		    (void *)&node,
811 		    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
812 		    CTLTYPE_INT, "right", "right mouse button",
813 		    adbkbd_sysctl_right, 2, (void *)sc, 0, CTL_MACHDEP,
814 		    me->sysctl_num, CTL_CREATE, CTL_EOL);
815 	}
816 #endif /* NWSMOUSE > 0 */
817 
818 	(void)ret;
819 }
820 
821 SYSCTL_SETUP(sysctl_adbkbdtrans_setup, "adbkbd translator setup")
822 {
823 
824 	sysctl_createv(NULL, 0, NULL, NULL,
825 		       CTLFLAG_PERMANENT,
826 		       CTLTYPE_NODE, "machdep", NULL,
827 		       NULL, 0, NULL, 0,
828 		       CTL_MACHDEP, CTL_EOL);
829 }
830