ams.c revision 1.17 1 /* $NetBSD: ams.c,v 1.17 2005/06/05 20:03:55 nathanw 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 1.17 2005/06/05 20:03:55 nathanw 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
45 #include <machine/autoconf.h>
46
47 #include <dev/wscons/wsconsio.h>
48 #include <dev/wscons/wsmousevar.h>
49
50 #include <macppc/dev/adbvar.h>
51 #include <macppc/dev/aedvar.h>
52 #include <macppc/dev/amsvar.h>
53
54 #include "aed.h"
55
56 /*
57 * Function declarations.
58 */
59 static int amsmatch __P((struct device *, struct cfdata *, void *));
60 static void amsattach __P((struct device *, struct device *, void *));
61 static void ems_init __P((struct ams_softc *));
62 static void ms_processevent __P((adb_event_t *event, struct ams_softc *));
63
64 /* Driver definition. */
65 CFATTACH_DECL(ams, sizeof(struct ams_softc),
66 amsmatch, amsattach, NULL, NULL);
67
68 int ams_enable __P((void *));
69 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
70 void ams_disable __P((void *));
71
72 const struct wsmouse_accessops ams_accessops = {
73 ams_enable,
74 ams_ioctl,
75 ams_disable,
76 };
77
78 static int
79 amsmatch(parent, cf, aux)
80 struct device *parent;
81 struct cfdata *cf;
82 void *aux;
83 {
84 struct adb_attach_args *aa_args = aux;
85
86 if (aa_args->origaddr == ADBADDR_MS)
87 return 1;
88 else
89 return 0;
90 }
91
92 static void
93 amsattach(parent, self, aux)
94 struct device *parent, *self;
95 void *aux;
96 {
97 ADBSetInfoBlock adbinfo;
98 struct ams_softc *sc = (struct ams_softc *)self;
99 struct adb_attach_args *aa_args = aux;
100 int error;
101 struct wsmousedev_attach_args a;
102
103 sc->origaddr = aa_args->origaddr;
104 sc->adbaddr = aa_args->adbaddr;
105 sc->handler_id = aa_args->handler_id;
106
107 sc->sc_class = MSCLASS_MOUSE;
108 sc->sc_buttons = 1;
109 sc->sc_res = 100;
110 sc->sc_devid[0] = 0;
111 sc->sc_devid[4] = 0;
112
113 adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete;
114 adbinfo.siDataAreaAddr = (caddr_t)sc;
115
116 ems_init(sc);
117
118 /* print out the type of mouse we have */
119 switch (sc->handler_id) {
120 case ADBMS_100DPI:
121 printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
122 (int)(sc->sc_res));
123 break;
124 case ADBMS_200DPI:
125 sc->sc_res = 200;
126 printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
127 (int)(sc->sc_res));
128 break;
129 case ADBMS_MSA3:
130 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
131 sc->sc_buttons, (int)(sc->sc_res));
132 break;
133 case ADBMS_USPEED:
134 printf("MicroSpeed mouse, default parameters\n");
135 break;
136 case ADBMS_UCONTOUR:
137 printf("Contour mouse, default parameters\n");
138 break;
139 case ADBMS_TURBO:
140 printf("Kensington Turbo Mouse\n");
141 break;
142 case ADBMS_EXTENDED:
143 if (sc->sc_devid[0] == '\0') {
144 printf("Logitech ");
145 switch (sc->sc_class) {
146 case MSCLASS_MOUSE:
147 printf("MouseMan (non-EMP) mouse");
148 break;
149 case MSCLASS_TRACKBALL:
150 printf("TrackMan (non-EMP) trackball");
151 break;
152 default:
153 printf("non-EMP relative positioning device");
154 break;
155 }
156 printf("\n");
157 } else {
158 printf("EMP ");
159 switch (sc->sc_class) {
160 case MSCLASS_TABLET:
161 printf("tablet");
162 break;
163 case MSCLASS_MOUSE:
164 printf("mouse");
165 break;
166 case MSCLASS_TRACKBALL:
167 printf("trackball");
168 break;
169 case MSCLASS_TRACKPAD:
170 printf("trackpad");
171 break;
172 default:
173 printf("unknown device");
174 break;
175 }
176 printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
177 sc->sc_buttons, (int)(sc->sc_res));
178 }
179 break;
180 default:
181 printf("relative positioning device (mouse?) (%d)\n",
182 sc->handler_id);
183 break;
184 }
185 error = SetADBInfo(&adbinfo, sc->adbaddr);
186 #ifdef ADB_DEBUG
187 if (adb_debug)
188 printf("ams: returned %d from SetADBInfo\n", error);
189 #endif
190
191 a.accessops = &ams_accessops;
192 a.accesscookie = sc;
193 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
194 }
195
196
197 /*
198 * Initialize extended mouse support -- probes devices as described
199 * in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
200 *
201 * Extended Mouse Protocol is documented in TechNote HW1:
202 * "ADB - The Untold Story: Space Aliens Ate My Mouse"
203 *
204 * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
205 * Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
206 */
207 void
208 ems_init(sc)
209 struct ams_softc *sc;
210 {
211 int adbaddr;
212 short cmd;
213 u_char buffer[9];
214
215 adbaddr = sc->adbaddr;
216 if (sc->origaddr != ADBADDR_MS)
217 return;
218 if (sc->handler_id == ADBMS_USPEED ||
219 sc->handler_id == ADBMS_UCONTOUR) {
220 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
221 cmd = ADBLISTEN(adbaddr, 1);
222
223 /*
224 * To setup the MicroSpeed or the Contour, it appears
225 * that we can send the following command to the mouse
226 * and then expect data back in the form:
227 * buffer[0] = 4 (bytes)
228 * buffer[1], buffer[2] as std. mouse
229 * buffer[3] = buffer[4] = 0xff when no buttons
230 * are down. When button N down, bit N is clear.
231 * buffer[4]'s locking mask enables a
232 * click to toggle the button down state--sort of
233 * like the "Easy Access" shift/control/etc. keys.
234 * buffer[3]'s alternative speed mask enables using
235 * different speed when the corr. button is down
236 */
237 buffer[0] = 4;
238 buffer[1] = 0x00; /* Alternative speed */
239 buffer[2] = 0x00; /* speed = maximum */
240 buffer[3] = 0x10; /* enable extended protocol,
241 * lower bits = alt. speed mask
242 * = 0000b
243 */
244 buffer[4] = 0x07; /* Locking mask = 0000b,
245 * enable buttons = 0111b
246 */
247 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
248
249 sc->sc_buttons = 3;
250 sc->sc_res = 200;
251 return;
252 }
253 if (sc->handler_id == ADBMS_TURBO) {
254 /* Found Kensington Turbo Mouse */
255 static u_char data1[] =
256 { 8, 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94 };
257 static u_char data2[] =
258 { 8, 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27 };
259
260 buffer[0] = 0;
261 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr));
262
263 adb_op_sync((Ptr)data1, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2));
264
265 buffer[0] = 0;
266 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr));
267
268 adb_op_sync((Ptr)data2, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2));
269 return;
270 }
271 if ((sc->handler_id == ADBMS_100DPI) ||
272 (sc->handler_id == ADBMS_200DPI)) {
273 /* found a mouse */
274 cmd = ADBTALK(adbaddr, 3);
275 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
276 #ifdef ADB_DEBUG
277 if (adb_debug)
278 printf("adb: ems_init timed out\n");
279 #endif
280 return;
281 }
282
283 /* Attempt to initialize Extended Mouse Protocol */
284 buffer[2] = 4; /* make handler ID 4 */
285 cmd = ADBLISTEN(adbaddr, 3);
286 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
287 #ifdef ADB_DEBUG
288 if (adb_debug)
289 printf("adb: ems_init timed out\n");
290 #endif
291 return;
292 }
293
294 /*
295 * Check to see if successful, if not
296 * try to initialize it as other types
297 */
298 cmd = ADBTALK(adbaddr, 3);
299 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 &&
300 buffer[2] == ADBMS_EXTENDED) {
301 sc->handler_id = ADBMS_EXTENDED;
302 cmd = ADBTALK(adbaddr, 1);
303 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
304 #ifdef ADB_DEBUG
305 if (adb_debug)
306 printf("adb: ems_init timed out\n");
307 #endif
308 } else if (buffer[0] == 8) {
309 /* we have a true EMP device */
310 sc->sc_class = buffer[7];
311 sc->sc_buttons = buffer[8];
312 sc->sc_res = (int)*(short *)&buffer[5];
313 memcpy(sc->sc_devid, &(buffer[1]), 4);
314 } else if (buffer[1] == 0x9a &&
315 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
316 /*
317 * Set up non-EMP Mouseman/Trackman to put
318 * button bits in 3rd byte instead of sending
319 * via pseudo keyboard device.
320 */
321 cmd = ADBLISTEN(adbaddr, 1);
322 buffer[0]=2;
323 buffer[1]=0x00;
324 buffer[2]=0x81;
325 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
326
327 cmd = ADBLISTEN(adbaddr, 1);
328 buffer[0]=2;
329 buffer[1]=0x01;
330 buffer[2]=0x81;
331 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
332
333 cmd = ADBLISTEN(adbaddr, 1);
334 buffer[0]=2;
335 buffer[1]=0x02;
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]=0x03;
342 buffer[2]=0x38;
343 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
344
345 sc->sc_buttons = 3;
346 sc->sc_res = 400;
347 if (buffer[2] == 0x21)
348 sc->sc_class = MSCLASS_TRACKBALL;
349 else
350 sc->sc_class = MSCLASS_MOUSE;
351 } else
352 /* unknown device? */;
353 } else {
354 /* Attempt to initialize as an A3 mouse */
355 buffer[2] = 0x03; /* make handler ID 3 */
356 cmd = ADBLISTEN(adbaddr, 3);
357 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
358 #ifdef ADB_DEBUG
359 if (adb_debug)
360 printf("adb: ems_init timed out\n");
361 #endif
362 return;
363 }
364
365 /*
366 * Check to see if successful, if not
367 * try to initialize it as other types
368 */
369 cmd = ADBTALK(adbaddr, 3);
370 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0
371 && buffer[2] == ADBMS_MSA3) {
372 sc->handler_id = ADBMS_MSA3;
373 /* Initialize as above */
374 cmd = ADBLISTEN(adbaddr, 2);
375 /* listen 2 */
376 buffer[0] = 3;
377 buffer[1] = 0x00;
378 /* Irrelevant, buffer has 0x77 */
379 buffer[2] = 0x07;
380 /*
381 * enable 3 button mode = 0111b,
382 * speed = normal
383 */
384 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
385 sc->sc_buttons = 3;
386 sc->sc_res = 300;
387 } else {
388 /* No special support for this mouse */
389 }
390 }
391 }
392 }
393
394 /*
395 * Handle putting the mouse data received from the ADB into
396 * an ADB event record.
397 */
398 void
399 ms_adbcomplete(buffer, data_area, adb_command)
400 caddr_t buffer;
401 caddr_t data_area;
402 int adb_command;
403 {
404 adb_event_t event;
405 struct ams_softc *sc;
406 int adbaddr;
407 #ifdef ADB_DEBUG
408 int i;
409
410 if (adb_debug)
411 printf("adb: transaction completion\n");
412 #endif
413
414 adbaddr = ADB_CMDADDR(adb_command);
415 sc = (struct ams_softc *)data_area;
416
417 if ((sc->handler_id == ADBMS_EXTENDED) && (sc->sc_devid[0] == 0)) {
418 /* massage the data to look like EMP data */
419 if ((buffer[3] & 0x04) == 0x04)
420 buffer[1] &= 0x7f;
421 else
422 buffer[1] |= 0x80;
423 if ((buffer[3] & 0x02) == 0x02)
424 buffer[2] &= 0x7f;
425 else
426 buffer[2] |= 0x80;
427 if ((buffer[3] & 0x01) == 0x01)
428 buffer[3] = 0x00;
429 else
430 buffer[3] = 0x80;
431 }
432
433 event.addr = adbaddr;
434 event.hand_id = sc->handler_id;
435 event.def_addr = sc->origaddr;
436 event.byte_count = buffer[0];
437 memcpy(event.bytes, buffer + 1, event.byte_count);
438
439 #ifdef ADB_DEBUG
440 if (adb_debug) {
441 printf("ams: from %d at %d (org %d) %d:", event.addr,
442 event.hand_id, event.def_addr, buffer[0]);
443 for (i = 1; i <= buffer[0]; i++)
444 printf(" %x", buffer[i]);
445 printf("\n");
446 }
447 #endif
448
449 microtime(&event.timestamp);
450
451 ms_processevent(&event, sc);
452 }
453
454 /*
455 * Given a mouse ADB event, record the button settings, calculate the
456 * x- and y-axis motion, and handoff the event to the appropriate subsystem.
457 */
458 static void
459 ms_processevent(event, sc)
460 adb_event_t *event;
461 struct ams_softc *sc;
462 {
463 adb_event_t new_event;
464 int i, button_bit, max_byte, mask, buttons;
465
466 new_event = *event;
467 buttons = 0;
468
469 /*
470 * This should handle both plain ol' Apple mice and mice
471 * that claim to support the Extended Apple Mouse Protocol.
472 */
473 max_byte = event->byte_count;
474 button_bit = 1;
475 switch (event->hand_id) {
476 case ADBMS_USPEED:
477 case ADBMS_UCONTOUR:
478 /* MicroSpeed mouse and Contour mouse */
479 if (max_byte == 4)
480 buttons = (~event->bytes[2]) & 0xff;
481 else
482 buttons = (event->bytes[0] & 0x80) ? 0 : 1;
483 break;
484 case ADBMS_MSA3:
485 /* Mouse Systems A3 mouse */
486 if (max_byte == 3)
487 buttons = (~event->bytes[2]) & 0x07;
488 else
489 buttons = (event->bytes[0] & 0x80) ? 0 : 1;
490 break;
491 default:
492 /* Classic Mouse Protocol (up to 2 buttons) */
493 for (i = 0; i < 2; i++, button_bit <<= 1)
494 /* 0 when button down */
495 if (!(event->bytes[i] & 0x80))
496 buttons |= button_bit;
497 else
498 buttons &= ~button_bit;
499 /* Extended Protocol (up to 6 more buttons) */
500 for (mask = 0x80; i < max_byte;
501 i += (mask == 0x80), button_bit <<= 1) {
502 /* 0 when button down */
503 if (!(event->bytes[i] & mask))
504 buttons |= button_bit;
505 else
506 buttons &= ~button_bit;
507 mask = ((mask >> 4) & 0xf)
508 | ((mask & 0xf) << 4);
509 }
510 break;
511 }
512 new_event.u.m.buttons = sc->sc_mb | buttons;
513 new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) -
514 ((event->bytes[1] & 0x40) ? 64 : 0);
515 new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) -
516 ((event->bytes[0] & 0x40) ? 64 : 0);
517
518 if (sc->sc_wsmousedev)
519 wsmouse_input(sc->sc_wsmousedev, new_event.u.m.buttons,
520 new_event.u.m.dx, -new_event.u.m.dy, 0,
521 WSMOUSE_INPUT_DELTA);
522 #if NAED > 0
523 aed_input(&new_event);
524 #endif
525 }
526
527 int
528 ams_enable(v)
529 void *v;
530 {
531 return 0;
532 }
533
534 int
535 ams_ioctl(v, cmd, data, flag, p)
536 void *v;
537 u_long cmd;
538 caddr_t data;
539 int flag;
540 struct proc *p;
541 {
542 return EPASSTHROUGH;
543 }
544
545 void
546 ams_disable(v)
547 void *v;
548 {
549 }
550