adb_kbd.c revision 1.2.4.4 1 /* $NetBSD: adb_kbd.c,v 1.2.4.4 2007/05/17 13:41:24 yamt 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 1.2.4.4 2007/05/17 13:41:24 yamt 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
66 struct adbkbd_softc {
67 struct device sc_dev;
68 struct adb_device *sc_adbdev;
69 struct adb_bus_accessops *sc_ops;
70 struct device *sc_wskbddev;
71 struct device *sc_wsmousedev;
72 struct sysmon_pswitch sc_sm_pbutton;
73 int sc_leds;
74 int sc_have_led_control;
75 int sc_msg_len;
76 int sc_event;
77 int sc_poll;
78 int sc_polled_chars;
79 int sc_trans[3];
80 int sc_capslock;
81 uint32_t sc_timestamp;
82 #ifdef WSDISPLAY_COMPAT_RAWKBD
83 int sc_rawkbd;
84 #endif
85 uint8_t sc_buffer[16];
86 uint8_t sc_pollbuf[16];
87 uint8_t sc_us;
88 uint8_t sc_power, sc_pe;
89 };
90
91 /*
92 * Function declarations.
93 */
94 static int adbkbd_match(struct device *, struct cfdata *, void *);
95 static void adbkbd_attach(struct device *, struct device *, void *);
96
97 static void adbkbd_initleds(struct adbkbd_softc *);
98 static void adbkbd_keys(struct adbkbd_softc *, uint8_t, uint8_t);
99 static inline void adbkbd_key(struct adbkbd_softc *, uint8_t);
100 static int adbkbd_wait(struct adbkbd_softc *, int);
101
102 /* Driver definition. */
103 CFATTACH_DECL(adbkbd, sizeof(struct adbkbd_softc),
104 adbkbd_match, adbkbd_attach, NULL, NULL);
105
106 extern struct cfdriver adbkbd_cd;
107
108 static int adbkbd_enable(void *, int);
109 static int adbkbd_ioctl(void *, u_long, void *, int, struct lwp *);
110 static void adbkbd_set_leds(void *, int);
111 static void adbkbd_handler(void *, int, uint8_t *);
112 static void adbkbd_powerbutton(void *);
113
114 struct wskbd_accessops adbkbd_accessops = {
115 adbkbd_enable,
116 adbkbd_set_leds,
117 adbkbd_ioctl,
118 };
119
120 static void adbkbd_cngetc(void *, u_int *, int *);
121 static void adbkbd_cnpollc(void *, int);
122
123 struct wskbd_consops adbkbd_consops = {
124 adbkbd_cngetc,
125 adbkbd_cnpollc,
126 };
127
128 struct wskbd_mapdata adbkbd_keymapdata = {
129 akbd_keydesctab,
130 #ifdef AKBD_LAYOUT
131 AKBD_LAYOUT,
132 #else
133 KB_US,
134 #endif
135 };
136
137 static int adbkms_enable(void *);
138 static int adbkms_ioctl(void *, u_long, void *, int, struct lwp *);
139 static void adbkms_disable(void *);
140
141 const struct wsmouse_accessops adbkms_accessops = {
142 adbkms_enable,
143 adbkms_ioctl,
144 adbkms_disable,
145 };
146
147 static int adbkbd_sysctl_button(SYSCTLFN_ARGS);
148 static void adbkbd_setup_sysctl(struct adbkbd_softc *);
149
150 #ifdef ADBKBD_DEBUG
151 #define DPRINTF printf
152 #else
153 #define DPRINTF while (0) printf
154 #endif
155
156 static int adbkbd_is_console = 0;
157 static int adbkbd_console_attached = 0;
158
159 static int
160 adbkbd_match(parent, cf, aux)
161 struct device *parent;
162 struct cfdata *cf;
163 void *aux;
164 {
165 struct adb_attach_args *aaa = aux;
166
167 if (aaa->dev->original_addr == ADBADDR_KBD)
168 return 1;
169 else
170 return 0;
171 }
172
173 static void
174 adbkbd_attach(struct device *parent, struct device *self, void *aux)
175 {
176 struct adbkbd_softc *sc = (struct adbkbd_softc *)self;
177 struct adb_attach_args *aaa = aux;
178 short cmd;
179 struct wskbddev_attach_args a;
180 struct wsmousedev_attach_args am;
181
182 sc->sc_ops = aaa->ops;
183 sc->sc_adbdev = aaa->dev;
184 sc->sc_adbdev->cookie = sc;
185 sc->sc_adbdev->handler = adbkbd_handler;
186 sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
187
188 sc->sc_leds = 0; /* initially off */
189 sc->sc_have_led_control = 0;
190 sc->sc_msg_len = 0;
191 sc->sc_poll = 0;
192 sc->sc_capslock = 0;
193 sc->sc_trans[1] = 103; /* F11 */
194 sc->sc_trans[2] = 111; /* F12 */
195 sc->sc_power = 0x7f;
196 sc->sc_timestamp = 0;
197
198 printf(" addr %d: ", sc->sc_adbdev->current_addr);
199
200 switch (sc->sc_adbdev->handler_id) {
201 case ADB_STDKBD:
202 printf("standard keyboard\n");
203 break;
204 case ADB_ISOKBD:
205 printf("standard keyboard (ISO layout)\n");
206 break;
207 case ADB_EXTKBD:
208 cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
209 sc->sc_msg_len = 0;
210 sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
211 adbkbd_wait(sc, 10);
212
213 /* Ignore Logitech MouseMan/Trackman pseudo keyboard */
214 /* XXX needs testing */
215 if (sc->sc_buffer[2] == 0x9a && sc->sc_buffer[3] == 0x20) {
216 printf("Mouseman (non-EMP) pseudo keyboard\n");
217 return;
218 } else if (sc->sc_buffer[2] == 0x9a &&
219 sc->sc_buffer[3] == 0x21) {
220 printf("Trackman (non-EMP) pseudo keyboard\n");
221 return;
222 } else {
223 printf("extended keyboard\n");
224 adbkbd_initleds(sc);
225 }
226 break;
227 case ADB_EXTISOKBD:
228 printf("extended keyboard (ISO layout)\n");
229 adbkbd_initleds(sc);
230 break;
231 case ADB_KBDII:
232 printf("keyboard II\n");
233 break;
234 case ADB_ISOKBDII:
235 printf("keyboard II (ISO layout)\n");
236 break;
237 case ADB_PBKBD:
238 printf("PowerBook keyboard\n");
239 sc->sc_power = 0x7e;
240 break;
241 case ADB_PBISOKBD:
242 printf("PowerBook keyboard (ISO layout)\n");
243 sc->sc_power = 0x7e;
244 break;
245 case ADB_ADJKPD:
246 printf("adjustable keypad\n");
247 break;
248 case ADB_ADJKBD:
249 printf("adjustable keyboard\n");
250 break;
251 case ADB_ADJISOKBD:
252 printf("adjustable keyboard (ISO layout)\n");
253 break;
254 case ADB_ADJJAPKBD:
255 printf("adjustable keyboard (Japanese layout)\n");
256 break;
257 case ADB_PBEXTISOKBD:
258 printf("PowerBook extended keyboard (ISO layout)\n");
259 sc->sc_power = 0x7e;
260 break;
261 case ADB_PBEXTJAPKBD:
262 printf("PowerBook extended keyboard (Japanese layout)\n");
263 sc->sc_power = 0x7e;
264 break;
265 case ADB_JPKBDII:
266 printf("keyboard II (Japanese layout)\n");
267 break;
268 case ADB_PBEXTKBD:
269 printf("PowerBook extended keyboard\n");
270 sc->sc_power = 0x7e;
271 break;
272 case ADB_DESIGNKBD:
273 printf("extended keyboard\n");
274 adbkbd_initleds(sc);
275 break;
276 case ADB_PBJPKBD:
277 printf("PowerBook keyboard (Japanese layout)\n");
278 sc->sc_power = 0x7e;
279 break;
280 case ADB_PBG3KBD:
281 printf("PowerBook G3 keyboard\n");
282 sc->sc_power = 0x7e;
283 break;
284 case ADB_PBG3JPKBD:
285 printf("PowerBook G3 keyboard (Japanese layout)\n");
286 sc->sc_power = 0x7e;
287 break;
288 case ADB_IBOOKKBD:
289 printf("iBook keyboard\n");
290 break;
291 default:
292 printf("mapped device (%d)\n", sc->sc_adbdev->handler_id);
293 break;
294 }
295
296 if (adbkbd_is_console && (adbkbd_console_attached == 0)) {
297 wskbd_cnattach(&adbkbd_consops, sc, &adbkbd_keymapdata);
298 adbkbd_console_attached = 1;
299 a.console = 1;
300 } else {
301 a.console = 0;
302 }
303 a.keymap = &adbkbd_keymapdata;
304 a.accessops = &adbkbd_accessops;
305 a.accesscookie = sc;
306
307 sc->sc_wskbddev = config_found_ia(self, "wskbddev", &a, wskbddevprint);
308
309 /* attach the mouse device */
310 am.accessops = &adbkms_accessops;
311 am.accesscookie = sc;
312 sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &am, wsmousedevprint);
313
314 if (sc->sc_wsmousedev != NULL)
315 adbkbd_setup_sysctl(sc);
316
317 /* finally register the power button */
318 sysmon_task_queue_init();
319 memset(&sc->sc_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
320 sc->sc_sm_pbutton.smpsw_name = sc->sc_dev.dv_xname;
321 sc->sc_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
322 if (sysmon_pswitch_register(&sc->sc_sm_pbutton) != 0)
323 printf("%s: unable to register power button with sysmon\n",
324 sc->sc_dev.dv_xname);
325 }
326
327 static void
328 adbkbd_handler(void *cookie, int len, uint8_t *data)
329 {
330 struct adbkbd_softc *sc = cookie;
331
332 #ifdef ADBKBD_DEBUG
333 int i;
334 printf("%s: %02x - ", sc->sc_dev.dv_xname, sc->sc_us);
335 for (i = 0; i < len; i++) {
336 printf(" %02x", data[i]);
337 }
338 printf("\n");
339 #endif
340 if (len >= 2) {
341 if (data[1] == sc->sc_us) {
342 adbkbd_keys(sc, data[2], data[3]);
343 return;
344 } else {
345 memcpy(sc->sc_buffer, data, len);
346 }
347 sc->sc_msg_len = len;
348 wakeup(&sc->sc_event);
349 } else {
350 DPRINTF("bogus message\n");
351 }
352 }
353
354 static int
355 adbkbd_wait(struct adbkbd_softc *sc, int timeout)
356 {
357 int cnt = 0;
358
359 if (sc->sc_poll) {
360 while (sc->sc_msg_len == 0) {
361 sc->sc_ops->poll(sc->sc_ops->cookie);
362 }
363 } else {
364 while ((sc->sc_msg_len == 0) && (cnt < timeout)) {
365 tsleep(&sc->sc_event, 0, "adbkbdio", hz);
366 cnt++;
367 }
368 }
369 return (sc->sc_msg_len > 0);
370 }
371
372 static void
373 adbkbd_keys(struct adbkbd_softc *sc, uint8_t k1, uint8_t k2)
374 {
375
376 /* keyboard event processing */
377
378 DPRINTF("[%02x %02x]", k1, k2);
379
380 if (((k1 == k2) && (k1 == 0x7f)) || (k1 == sc->sc_power)) {
381 uint32_t now = time_second;
382 uint32_t diff = now - sc->sc_timestamp;
383
384 sc->sc_timestamp = now;
385 if ((diff > 1) && (diff < 5)) {
386
387 /* power button, report to sysmon */
388 sc->sc_pe = k1;
389
390 sysmon_task_queue_sched(0, adbkbd_powerbutton, sc);
391 }
392 } else {
393
394 adbkbd_key(sc, k1);
395 if (k2 != 0xff)
396 adbkbd_key(sc, k2);
397 }
398 }
399
400 static void
401 adbkbd_powerbutton(void *cookie)
402 {
403 struct adbkbd_softc *sc = cookie;
404
405 sysmon_pswitch_event(&sc->sc_sm_pbutton,
406 ADBK_PRESS(sc->sc_pe) ? PSWITCH_EVENT_PRESSED :
407 PSWITCH_EVENT_RELEASED);
408 }
409
410 static inline void
411 adbkbd_key(struct adbkbd_softc *sc, uint8_t k)
412 {
413
414 if (sc->sc_poll) {
415 if (sc->sc_polled_chars >= 16) {
416 printf("%s: polling buffer is full\n",
417 sc->sc_dev.dv_xname);
418 }
419 sc->sc_pollbuf[sc->sc_polled_chars] = k;
420 sc->sc_polled_chars++;
421 return;
422 }
423
424 /* translate some keys to mouse events */
425 if (sc->sc_wsmousedev != NULL) {
426 if (ADBK_KEYVAL(k) == sc->sc_trans[1]) {
427 wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 2 : 0,
428 0, 0, 0, 0,
429 WSMOUSE_INPUT_DELTA);
430 return;
431 }
432 if (ADBK_KEYVAL(k) == sc->sc_trans[2]) {
433 wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 4 : 0,
434 0, 0, 0, 0,
435 WSMOUSE_INPUT_DELTA);
436 return;
437 }
438 }
439 #ifdef WSDISPLAY_COMPAT_RAWKBD
440 if (sc->sc_rawkbd) {
441 char cbuf[2];
442 int s;
443
444 cbuf[0] = k;
445
446 s = spltty();
447 wskbd_rawinput(sc->sc_wskbddev, cbuf, 1);
448 splx(s);
449 } else {
450 #endif
451
452 if (ADBK_KEYVAL(k) == 0x39) {
453 /* caps lock - send up and down */
454 if (ADBK_PRESS(k) != sc->sc_capslock) {
455 sc->sc_capslock = ADBK_PRESS(k);
456 wskbd_input(sc->sc_wskbddev,
457 WSCONS_EVENT_KEY_DOWN, 0x39);
458 wskbd_input(sc->sc_wskbddev,
459 WSCONS_EVENT_KEY_UP, 0x39);
460 }
461 } else {
462 /* normal event */
463 int type;
464
465 type = ADBK_PRESS(k) ?
466 WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
467 wskbd_input(sc->sc_wskbddev, type, ADBK_KEYVAL(k));
468 }
469 #ifdef WSDISPLAY_COMPAT_RAWKBD
470 }
471 #endif
472 }
473
474 /*
475 * Set the keyboard LED's.
476 *
477 * Automatically translates from ioctl/softc format to the
478 * actual keyboard register format
479 */
480 static void
481 adbkbd_set_leds(void *cookie, int leds)
482 {
483 struct adbkbd_softc *sc = cookie;
484 int aleds;
485 short cmd;
486 uint8_t buffer[2];
487
488 DPRINTF("adbkbd_set_leds: %02x\n", leds);
489 if ((leds & 0x07) == (sc->sc_leds & 0x07))
490 return;
491
492 if (sc->sc_have_led_control) {
493
494 aleds = (~leds & 0x04) | 3;
495 if (leds & 1)
496 aleds &= ~2;
497 if (leds & 2)
498 aleds &= ~1;
499
500 buffer[0] = 0xff;
501 buffer[1] = aleds | 0xf8;
502
503 cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 2);
504 sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2, buffer);
505 }
506
507 sc->sc_leds = leds & 7;
508 }
509
510 static void
511 adbkbd_initleds(struct adbkbd_softc *sc)
512 {
513 short cmd;
514
515 /* talk R2 */
516 cmd = ADBTALK(sc->sc_adbdev->current_addr, 2);
517 sc->sc_msg_len = 0;
518 sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
519 if (!adbkbd_wait(sc, 10)) {
520 printf("unable to read LED state\n");
521 return;
522 }
523 sc->sc_have_led_control = 1;
524 DPRINTF("have LED control\n");
525 return;
526 }
527
528 static int
529 adbkbd_enable(void *v, int on)
530 {
531 return 0;
532 }
533
534 static int
535 adbkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
536 {
537 struct adbkbd_softc *sc = (struct adbkbd_softc *) v;
538
539 switch (cmd) {
540
541 case WSKBDIO_GTYPE:
542 *(int *)data = WSKBD_TYPE_ADB;
543 return 0;
544 case WSKBDIO_SETLEDS:
545 adbkbd_set_leds(sc, *(int *)data);
546 return 0;
547 case WSKBDIO_GETLEDS:
548 *(int *)data = sc->sc_leds;
549 return 0;
550 #ifdef WSDISPLAY_COMPAT_RAWKBD
551 case WSKBDIO_SETMODE:
552 sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
553 return 0;
554 #endif
555 }
556
557 return EPASSTHROUGH;
558 }
559
560 int
561 adbkbd_cnattach()
562 {
563
564 adbkbd_is_console = 1;
565 return 0;
566 }
567
568 static void
569 adbkbd_cngetc(void *v, u_int *type, int *data)
570 {
571 struct adbkbd_softc *sc = v;
572 int key, press, val;
573 int s;
574
575 s = splhigh();
576
577 KASSERT(sc->sc_poll);
578
579 DPRINTF("polling...");
580 while (sc->sc_polled_chars == 0) {
581 sc->sc_ops->poll(sc->sc_ops->cookie);
582 }
583 DPRINTF(" got one\n");
584 splx(s);
585
586 key = sc->sc_pollbuf[0];
587 sc->sc_polled_chars--;
588 memmove(sc->sc_pollbuf, sc->sc_pollbuf + 1,
589 sc->sc_polled_chars);
590
591 press = ADBK_PRESS(key);
592 val = ADBK_KEYVAL(key);
593
594 *data = val;
595 *type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
596 }
597
598 static void
599 adbkbd_cnpollc(void *v, int on)
600 {
601 struct adbkbd_softc *sc = v;
602
603 sc->sc_poll = on;
604 if (!on) {
605 int i;
606
607 /* feed the poll buffer's content to wskbd */
608 for (i = 0; i < sc->sc_polled_chars; i++) {
609 adbkbd_key(sc, sc->sc_pollbuf[i]);
610 }
611 sc->sc_polled_chars = 0;
612 }
613 }
614
615 /* stuff for the pseudo mouse */
616 static int
617 adbkms_enable(void *v)
618 {
619 return 0;
620 }
621
622 static int
623 adbkms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
624 {
625
626 switch (cmd) {
627 case WSMOUSEIO_GTYPE:
628 *(u_int *)data = WSMOUSE_TYPE_PSEUDO;
629 break;
630
631 default:
632 return (EPASSTHROUGH);
633 }
634 return (0);
635 }
636
637 static void
638 adbkms_disable(void *v)
639 {
640 }
641
642 static void
643 adbkbd_setup_sysctl(struct adbkbd_softc *sc)
644 {
645 struct sysctlnode *node, *me;
646 int ret;
647
648 DPRINTF("%s: sysctl setup\n", sc->sc_dev.dv_xname);
649 ret = sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&me,
650 CTLFLAG_READWRITE,
651 CTLTYPE_NODE, sc->sc_dev.dv_xname, NULL,
652 NULL, 0, NULL, 0,
653 CTL_MACHDEP, CTL_CREATE, CTL_EOL);
654
655 ret = sysctl_createv(NULL, 0, NULL,
656 (const struct sysctlnode **)&node,
657 CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
658 CTLTYPE_INT, "middle", "middle mouse button", adbkbd_sysctl_button,
659 1, NULL, 0, CTL_MACHDEP, me->sysctl_num, CTL_CREATE, CTL_EOL);
660 node->sysctl_data = sc;
661
662 ret = sysctl_createv(NULL, 0, NULL,
663 (const struct sysctlnode **)&node,
664 CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
665 CTLTYPE_INT, "right", "right mouse button", adbkbd_sysctl_button,
666 2, NULL, 0, CTL_MACHDEP, me->sysctl_num, CTL_CREATE, CTL_EOL);
667 node->sysctl_data = sc;
668 }
669
670 static int
671 adbkbd_sysctl_button(SYSCTLFN_ARGS)
672 {
673 struct sysctlnode node = *rnode;
674 struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
675 const int *np = newp;
676 int btn = node.sysctl_idata, reg;
677
678 DPRINTF("adbkbd_sysctl_button %d\n", btn);
679 node.sysctl_idata = sc->sc_trans[btn];
680 reg = sc->sc_trans[btn];
681 if (np) {
682 /* we're asked to write */
683 node.sysctl_data = ®
684 if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
685
686 sc->sc_trans[btn] = node.sysctl_idata;
687 return 0;
688 }
689 return EINVAL;
690 } else {
691 node.sysctl_size = 4;
692 return (sysctl_lookup(SYSCTLFN_CALL(&node)));
693 }
694 }
695
696 SYSCTL_SETUP(sysctl_adbkbdtrans_setup, "adbkbd translator setup")
697 {
698
699 sysctl_createv(NULL, 0, NULL, NULL,
700 CTLFLAG_PERMANENT,
701 CTLTYPE_NODE, "machdep", NULL,
702 NULL, 0, NULL, 0,
703 CTL_MACHDEP, CTL_EOL);
704 }
705