ams.c revision 1.26 1 /* $NetBSD: ams.c,v 1.26 2010/12/10 00:17:08 macallan 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/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: ams.c,v 1.26 2010/12/10 00:17:08 macallan Exp $");
35
36 #include <sys/param.h>
37 #include <sys/device.h>
38 #include <sys/fcntl.h>
39 #include <sys/poll.h>
40 #include <sys/select.h>
41 #include <sys/proc.h>
42 #include <sys/signalvar.h>
43 #include <sys/systm.h>
44 #include <sys/sysctl.h>
45 #include <sys/sysctl.h>
46
47 #include <machine/autoconf.h>
48
49 #include <dev/wscons/wsconsio.h>
50 #include <dev/wscons/wsmousevar.h>
51
52 #include <macppc/dev/adbvar.h>
53 #include <macppc/dev/aedvar.h>
54 #include <macppc/dev/amsvar.h>
55
56 #include "aed.h"
57
58 /*
59 * Function declarations.
60 */
61 static int amsmatch(struct device *, struct cfdata *, void *);
62 static void amsattach(struct device *, struct device *, void *);
63 static void ems_init(struct ams_softc *);
64 static void ms_processevent(adb_event_t *event, struct ams_softc *);
65 static void init_trackpad(struct ams_softc *);
66
67 /* Driver definition. */
68 CFATTACH_DECL(ams, sizeof(struct ams_softc),
69 amsmatch, amsattach, NULL, NULL);
70
71 int ams_enable(void *);
72 int ams_ioctl(void *, u_long, void *, int, struct lwp *);
73 void ams_disable(void *);
74
75 /*
76 * handle tapping the trackpad
77 * different pads report different button counts and use slightly different
78 * protocols
79 */
80 static void ams_mangle_2(struct ams_softc *, int);
81 static void ams_mangle_4(struct ams_softc *, int);
82 static int sysctl_ams_tap(SYSCTLFN_ARGS);
83
84 const struct wsmouse_accessops ams_accessops = {
85 ams_enable,
86 ams_ioctl,
87 ams_disable,
88 };
89
90 static int
91 amsmatch(struct device *parent, struct cfdata *cf, void *aux)
92 {
93 struct adb_attach_args *aa_args = aux;
94
95 if (aa_args->origaddr == ADBADDR_MS)
96 return 1;
97 else
98 return 0;
99 }
100
101 static void
102 amsattach(struct device *parent, struct device *self, void *aux)
103 {
104 ADBSetInfoBlock adbinfo;
105 struct ams_softc *sc = (struct ams_softc *)self;
106 struct adb_attach_args *aa_args = aux;
107 int error;
108 struct wsmousedev_attach_args a;
109
110 sc->origaddr = aa_args->origaddr;
111 sc->adbaddr = aa_args->adbaddr;
112 sc->handler_id = aa_args->handler_id;
113
114 sc->sc_class = MSCLASS_MOUSE;
115 sc->sc_buttons = 1;
116 sc->sc_res = 100;
117 sc->sc_devid[0] = 0;
118 sc->sc_devid[4] = 0;
119
120 adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete;
121 adbinfo.siDataAreaAddr = (void *)sc;
122
123 ems_init(sc);
124
125 /* print out the type of mouse we have */
126 switch (sc->handler_id) {
127 case ADBMS_100DPI:
128 printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
129 (int)(sc->sc_res));
130 break;
131 case ADBMS_200DPI:
132 sc->sc_res = 200;
133 printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
134 (int)(sc->sc_res));
135 break;
136 case ADBMS_MSA3:
137 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
138 sc->sc_buttons, (int)(sc->sc_res));
139 break;
140 case ADBMS_USPEED:
141 printf("MicroSpeed mouse, default parameters\n");
142 break;
143 case ADBMS_UCONTOUR:
144 printf("Contour mouse, default parameters\n");
145 break;
146 case ADBMS_TURBO:
147 printf("Kensington Turbo Mouse\n");
148 break;
149 case ADBMS_EXTENDED:
150 if (sc->sc_devid[0] == '\0') {
151 printf("Logitech ");
152 switch (sc->sc_class) {
153 case MSCLASS_MOUSE:
154 printf("MouseMan (non-EMP) mouse");
155 break;
156 case MSCLASS_TRACKBALL:
157 printf("TrackMan (non-EMP) trackball");
158 break;
159 default:
160 printf("non-EMP relative positioning device");
161 break;
162 }
163 printf("\n");
164 } else {
165 printf("EMP ");
166 switch (sc->sc_class) {
167 case MSCLASS_TABLET:
168 printf("tablet");
169 break;
170 case MSCLASS_MOUSE:
171 printf("mouse");
172 break;
173 case MSCLASS_TRACKBALL:
174 printf("trackball");
175 break;
176 case MSCLASS_TRACKPAD:
177 printf("trackpad");
178 init_trackpad(sc);
179 break;
180 default:
181 printf("unknown device");
182 break;
183 }
184 printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
185 sc->sc_buttons, (int)(sc->sc_res));
186 }
187 break;
188 default:
189 printf("relative positioning device (mouse?) (%d)\n",
190 sc->handler_id);
191 break;
192 }
193 error = SetADBInfo(&adbinfo, sc->adbaddr);
194 #ifdef ADB_DEBUG
195 if (adb_debug)
196 printf("ams: returned %d from SetADBInfo\n", error);
197 #endif
198
199 a.accessops = &ams_accessops;
200 a.accesscookie = sc;
201 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
202 }
203
204
205 /*
206 * Initialize extended mouse support -- probes devices as described
207 * in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
208 *
209 * Extended Mouse Protocol is documented in TechNote HW1:
210 * "ADB - The Untold Story: Space Aliens Ate My Mouse"
211 *
212 * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
213 * Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
214 */
215 void
216 ems_init(struct ams_softc *sc)
217 {
218 int adbaddr;
219 short cmd;
220 u_char buffer[9];
221
222 adbaddr = sc->adbaddr;
223 if (sc->origaddr != ADBADDR_MS)
224 return;
225 if (sc->handler_id == ADBMS_USPEED ||
226 sc->handler_id == ADBMS_UCONTOUR) {
227 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
228 cmd = ADBLISTEN(adbaddr, 1);
229
230 /*
231 * To setup the MicroSpeed or the Contour, it appears
232 * that we can send the following command to the mouse
233 * and then expect data back in the form:
234 * buffer[0] = 4 (bytes)
235 * buffer[1], buffer[2] as std. mouse
236 * buffer[3] = buffer[4] = 0xff when no buttons
237 * are down. When button N down, bit N is clear.
238 * buffer[4]'s locking mask enables a
239 * click to toggle the button down state--sort of
240 * like the "Easy Access" shift/control/etc. keys.
241 * buffer[3]'s alternative speed mask enables using
242 * different speed when the corr. button is down
243 */
244 buffer[0] = 4;
245 buffer[1] = 0x00; /* Alternative speed */
246 buffer[2] = 0x00; /* speed = maximum */
247 buffer[3] = 0x10; /* enable extended protocol,
248 * lower bits = alt. speed mask
249 * = 0000b
250 */
251 buffer[4] = 0x07; /* Locking mask = 0000b,
252 * enable buttons = 0111b
253 */
254 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
255
256 sc->sc_buttons = 3;
257 sc->sc_res = 200;
258 return;
259 }
260 if (sc->handler_id == ADBMS_TURBO) {
261 /* Found Kensington Turbo Mouse */
262 static u_char data1[] =
263 { 8, 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94 };
264 static u_char data2[] =
265 { 8, 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27 };
266
267 buffer[0] = 0;
268 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr));
269
270 adb_op_sync((Ptr)data1, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2));
271
272 buffer[0] = 0;
273 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr));
274
275 adb_op_sync((Ptr)data2, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2));
276 return;
277 }
278 if ((sc->handler_id == ADBMS_100DPI) ||
279 (sc->handler_id == ADBMS_200DPI)) {
280 /* found a mouse */
281 cmd = ADBTALK(adbaddr, 3);
282 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
283 #ifdef ADB_DEBUG
284 if (adb_debug)
285 printf("adb: ems_init timed out\n");
286 #endif
287 return;
288 }
289
290 /* Attempt to initialize Extended Mouse Protocol */
291 buffer[2] = 4; /* make handler ID 4 */
292 cmd = ADBLISTEN(adbaddr, 3);
293 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
294 #ifdef ADB_DEBUG
295 if (adb_debug)
296 printf("adb: ems_init timed out\n");
297 #endif
298 return;
299 }
300
301 /*
302 * Check to see if successful, if not
303 * try to initialize it as other types
304 */
305 cmd = ADBTALK(adbaddr, 3);
306 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 &&
307 buffer[2] == ADBMS_EXTENDED) {
308 sc->handler_id = ADBMS_EXTENDED;
309 cmd = ADBTALK(adbaddr, 1);
310 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
311 #ifdef ADB_DEBUG
312 if (adb_debug)
313 printf("adb: ems_init timed out\n");
314 #endif
315 } else if (buffer[0] == 8) {
316 /* we have a true EMP device */
317 #ifdef ADB_PRINT_EMP
318 printf("EMP: %02x %02x %02x %02x %02x %02x %02x %02x\n",
319 buffer[1], buffer[2], buffer[3], buffer[4],
320 buffer[5], buffer[6], buffer[7], buffer[8]);
321 #endif
322 sc->sc_class = buffer[7];
323 sc->sc_buttons = buffer[8];
324 sc->sc_res = (int)*(short *)&buffer[5];
325 memcpy(sc->sc_devid, &(buffer[1]), 4);
326 } else if (buffer[1] == 0x9a &&
327 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
328 /*
329 * Set up non-EMP Mouseman/Trackman to put
330 * button bits in 3rd byte instead of sending
331 * via pseudo keyboard device.
332 */
333 cmd = ADBLISTEN(adbaddr, 1);
334 buffer[0]=2;
335 buffer[1]=0x00;
336 buffer[2]=0x81;
337 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
338
339 cmd = ADBLISTEN(adbaddr, 1);
340 buffer[0]=2;
341 buffer[1]=0x01;
342 buffer[2]=0x81;
343 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
344
345 cmd = ADBLISTEN(adbaddr, 1);
346 buffer[0]=2;
347 buffer[1]=0x02;
348 buffer[2]=0x81;
349 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
350
351 cmd = ADBLISTEN(adbaddr, 1);
352 buffer[0]=2;
353 buffer[1]=0x03;
354 buffer[2]=0x38;
355 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
356
357 sc->sc_buttons = 3;
358 sc->sc_res = 400;
359 if (buffer[2] == 0x21)
360 sc->sc_class = MSCLASS_TRACKBALL;
361 else
362 sc->sc_class = MSCLASS_MOUSE;
363 } else
364 /* unknown device? */;
365 } else {
366 /* Attempt to initialize as an A3 mouse */
367 buffer[2] = 0x03; /* make handler ID 3 */
368 cmd = ADBLISTEN(adbaddr, 3);
369 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
370 #ifdef ADB_DEBUG
371 if (adb_debug)
372 printf("adb: ems_init timed out\n");
373 #endif
374 return;
375 }
376
377 /*
378 * Check to see if successful, if not
379 * try to initialize it as other types
380 */
381 cmd = ADBTALK(adbaddr, 3);
382 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0
383 && buffer[2] == ADBMS_MSA3) {
384 sc->handler_id = ADBMS_MSA3;
385 /* Initialize as above */
386 cmd = ADBLISTEN(adbaddr, 2);
387 /* listen 2 */
388 buffer[0] = 3;
389 buffer[1] = 0x00;
390 /* Irrelevant, buffer has 0x77 */
391 buffer[2] = 0x07;
392 /*
393 * enable 3 button mode = 0111b,
394 * speed = normal
395 */
396 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
397 sc->sc_buttons = 3;
398 sc->sc_res = 300;
399 } else {
400 /* No special support for this mouse */
401 }
402 }
403 }
404 }
405
406 /*
407 * Handle putting the mouse data received from the ADB into
408 * an ADB event record.
409 */
410 void
411 ms_adbcomplete(uint8_t *buffer, uint8_t *data_area, int adb_command)
412 {
413 adb_event_t event;
414 struct ams_softc *sc;
415 int adbaddr;
416 #ifdef ADB_DEBUG
417 int i;
418
419 if (adb_debug)
420 printf("adb: transaction completion\n");
421 #endif
422
423 adbaddr = ADB_CMDADDR(adb_command);
424 sc = (struct ams_softc *)data_area;
425
426 if ((sc->handler_id == ADBMS_EXTENDED) && (sc->sc_devid[0] == 0)) {
427 /* massage the data to look like EMP data */
428 if ((buffer[3] & 0x04) == 0x04)
429 buffer[1] &= 0x7f;
430 else
431 buffer[1] |= 0x80;
432 if ((buffer[3] & 0x02) == 0x02)
433 buffer[2] &= 0x7f;
434 else
435 buffer[2] |= 0x80;
436 if ((buffer[3] & 0x01) == 0x01)
437 buffer[3] = 0x00;
438 else
439 buffer[3] = 0x80;
440 }
441
442 event.addr = adbaddr;
443 event.hand_id = sc->handler_id;
444 event.def_addr = sc->origaddr;
445 event.byte_count = buffer[0];
446 memcpy(event.bytes, buffer + 1, event.byte_count);
447
448 #ifdef ADB_DEBUG
449 if (adb_debug) {
450 printf("ams: from %d at %d (org %d) %d:", event.addr,
451 event.hand_id, event.def_addr, buffer[0]);
452 for (i = 1; i <= buffer[0]; i++)
453 printf(" %x", buffer[i]);
454 printf("\n");
455 }
456 #endif
457
458 microtime(&event.timestamp);
459
460 ms_processevent(&event, sc);
461 }
462
463 /*
464 * Given a mouse ADB event, record the button settings, calculate the
465 * x- and y-axis motion, and handoff the event to the appropriate subsystem.
466 */
467 static void
468 ms_processevent(adb_event_t *event, struct ams_softc *sc)
469 {
470 adb_event_t new_event;
471 int i, button_bit, max_byte, mask, buttons, dx, dy;
472
473 new_event = *event;
474 buttons = 0;
475
476 /*
477 * This should handle both plain ol' Apple mice and mice
478 * that claim to support the Extended Apple Mouse Protocol.
479 */
480 max_byte = event->byte_count;
481 button_bit = 1;
482 switch (event->hand_id) {
483 case ADBMS_USPEED:
484 case ADBMS_UCONTOUR:
485 /* MicroSpeed mouse and Contour mouse */
486 if (max_byte == 4)
487 buttons = (~event->bytes[2]) & 0xff;
488 else
489 buttons = (event->bytes[0] & 0x80) ? 0 : 1;
490 break;
491 case ADBMS_MSA3:
492 /* Mouse Systems A3 mouse */
493 if (max_byte == 3)
494 buttons = (~event->bytes[2]) & 0x07;
495 else
496 buttons = (event->bytes[0] & 0x80) ? 0 : 1;
497 break;
498 default:
499 /* Classic Mouse Protocol (up to 2 buttons) */
500 for (i = 0; i < 2; i++, button_bit <<= 1)
501 /* 0 when button down */
502 if (!(event->bytes[i] & 0x80))
503 buttons |= button_bit;
504 else
505 buttons &= ~button_bit;
506 /* Extended Protocol (up to 6 more buttons) */
507 for (mask = 0x80; i < max_byte;
508 i += (mask == 0x80), button_bit <<= 1) {
509 /* 0 when button down */
510 if (!(event->bytes[i] & mask))
511 buttons |= button_bit;
512 else
513 buttons &= ~button_bit;
514 mask = ((mask >> 4) & 0xf)
515 | ((mask & 0xf) << 4);
516 }
517 break;
518 }
519
520 dx = ((int)(event->bytes[1] & 0x3f)) -
521 ((event->bytes[1] & 0x40) ? 64 : 0);
522 dy = ((int) (event->bytes[0] & 0x3f)) -
523 ((event->bytes[0] & 0x40) ? 64 : 0);
524
525 if (sc->sc_class == MSCLASS_TRACKPAD) {
526 if (sc->sc_tapping == 1) {
527
528 if (sc->sc_down) {
529 /* finger is down - collect motion data */
530 sc->sc_x += dx;
531 sc->sc_y += dy;
532 }
533 switch (sc->sc_buttons) {
534 case 2:
535 ams_mangle_2(sc, buttons);
536 break;
537 case 4:
538 ams_mangle_4(sc, buttons);
539 break;
540 }
541 }
542 /* filter the pseudo-buttons out */
543 buttons &= 1;
544 }
545
546 new_event.u.m.buttons = sc->sc_mb | buttons;
547 new_event.u.m.dx = dx;
548 new_event.u.m.dy = dy;
549
550 if (sc->sc_wsmousedev)
551 wsmouse_input(sc->sc_wsmousedev, new_event.u.m.buttons,
552 new_event.u.m.dx, -new_event.u.m.dy, 0, 0,
553 WSMOUSE_INPUT_DELTA);
554 #if NAED > 0
555 aed_input(&new_event);
556 #endif
557 }
558
559 static void
560 ams_mangle_2(struct ams_softc *sc, int buttons)
561 {
562
563 if (buttons & 4) {
564 /* finger down on pad */
565 if (sc->sc_down == 0) {
566 sc->sc_down = 1;
567 sc->sc_x = 0;
568 sc->sc_y = 0;
569 }
570 }
571 if (buttons & 8) {
572 /* finger up */
573 if (sc->sc_down) {
574 if (((sc->sc_x * sc->sc_x +
575 sc->sc_y * sc->sc_y) < 20) &&
576 (sc->sc_wsmousedev)) {
577 /*
578 * if there wasn't much movement between
579 * finger down and up again we assume
580 * someone tapped the pad and we just
581 * send a mouse button event
582 */
583 wsmouse_input(sc->sc_wsmousedev,
584 1, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA);
585 }
586 sc->sc_down = 0;
587 }
588 }
589 }
590
591 static void
592 ams_mangle_4(struct ams_softc *sc, int buttons)
593 {
594
595 if (buttons & 0x20) {
596 /* finger down on pad */
597 if (sc->sc_down == 0) {
598 sc->sc_down = 1;
599 sc->sc_x = 0;
600 sc->sc_y = 0;
601 }
602 }
603 if ((buttons & 0x20) == 0) {
604 /* finger up */
605 if (sc->sc_down) {
606 if (((sc->sc_x * sc->sc_x +
607 sc->sc_y * sc->sc_y) < 20) &&
608 (sc->sc_wsmousedev)) {
609 /*
610 * if there wasn't much movement between
611 * finger down and up again we assume
612 * someone tapped the pad and we just
613 * send a mouse button event
614 */
615 wsmouse_input(sc->sc_wsmousedev,
616 1, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA);
617 }
618 sc->sc_down = 0;
619 }
620 }
621 }
622
623 int
624 ams_enable(void *v)
625 {
626 return 0;
627 }
628
629 int
630 ams_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
631 {
632
633 switch (cmd) {
634 case WSMOUSEIO_GTYPE:
635 *(u_int *)data = WSMOUSE_TYPE_ADB;
636 break;
637 }
638 return EPASSTHROUGH;
639 }
640
641 void
642 ams_disable(void *v)
643 {
644 }
645
646 static void
647 init_trackpad(struct ams_softc *sc)
648 {
649 struct sysctlnode *me = NULL, *node = NULL;
650 int cmd, res, ret;
651 u_char buffer[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
652 u_char b2[10];
653 u_char b3[9] = {8, 0x99, 0x94, 0x19, 0xff, 0xb2, 0x8a, 0x1b, 0x50};
654
655 cmd = ADBTALK(sc->adbaddr, 1);
656 res = adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
657
658 if (buffer[0] != 8)
659 return;
660
661 /* now whack the pad */
662 cmd = ADBLISTEN(sc->adbaddr, 1);
663 memcpy(b2, buffer, 10);
664 b2[7] = 0x0d;
665 adb_op_sync((Ptr)b2, NULL, (Ptr)0, cmd);
666
667 cmd = ADBLISTEN(sc->adbaddr, 2);
668 adb_op_sync((Ptr)b3, NULL, (Ptr)0, cmd);
669
670 cmd = ADBLISTEN(sc->adbaddr, 1);
671 b2[7] = 0x03;
672 adb_op_sync((Ptr)b2, NULL, (Ptr)0, cmd);
673
674 buffer[0] = 0;
675 cmd = ADBFLUSH(sc->adbaddr);
676 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
677
678 /*
679 * setup a sysctl node to control wether tapping the pad should
680 * trigger mouse button events
681 */
682
683 sc->sc_tapping = 1;
684
685 ret = sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&me,
686 CTLFLAG_READWRITE,
687 CTLTYPE_NODE, sc->sc_dev.dv_xname, NULL,
688 NULL, 0, NULL, 0,
689 CTL_MACHDEP, CTL_CREATE, CTL_EOL);
690
691 ret=sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&node,
692 CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE,
693 CTLTYPE_INT, "tapping", "tapping the pad causes button events",
694 sysctl_ams_tap, 1, NULL, 0,
695 CTL_MACHDEP, me->sysctl_num, CTL_CREATE, CTL_EOL);
696 if (node != NULL) {
697 node->sysctl_data = sc;
698 }
699 }
700
701 static int
702 sysctl_ams_tap(SYSCTLFN_ARGS)
703 {
704 struct sysctlnode node = *rnode;
705 struct ams_softc *sc = node.sysctl_data;
706
707 node.sysctl_idata = sc->sc_tapping;
708
709 if (newp) {
710
711 /* we're asked to write */
712 node.sysctl_data = &sc->sc_tapping;
713 if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
714
715 sc->sc_tapping = (node.sysctl_idata == 0) ? 0 : 1;
716 return 0;
717 }
718 return EINVAL;
719 } else {
720
721 node.sysctl_size = 4;
722 return (sysctl_lookup(SYSCTLFN_CALL(&node)));
723 }
724
725 return 0;
726 }
727
728 SYSCTL_SETUP(sysctl_ams_setup, "sysctl ams subtree setup")
729 {
730
731 sysctl_createv(NULL, 0, NULL, NULL,
732 CTLFLAG_PERMANENT,
733 CTLTYPE_NODE, "machdep", NULL,
734 NULL, 0, NULL, 0,
735 CTL_MACHDEP, CTL_EOL);
736 }
737
738