xref: /netbsd/sys/arch/macppc/dev/ams.c (revision c4a72b64)
1 /*	$NetBSD: ams.c,v 1.15 2002/10/02 05:30:39 thorpej 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/param.h>
34 #include <sys/device.h>
35 #include <sys/fcntl.h>
36 #include <sys/poll.h>
37 #include <sys/select.h>
38 #include <sys/proc.h>
39 #include <sys/signalvar.h>
40 #include <sys/systm.h>
41 
42 #include <machine/autoconf.h>
43 
44 #include <dev/wscons/wsconsio.h>
45 #include <dev/wscons/wsmousevar.h>
46 
47 #include <macppc/dev/adbvar.h>
48 #include <macppc/dev/aedvar.h>
49 #include <macppc/dev/amsvar.h>
50 
51 #include "aed.h"
52 
53 /*
54  * Function declarations.
55  */
56 static int	amsmatch __P((struct device *, struct cfdata *, void *));
57 static void	amsattach __P((struct device *, struct device *, void *));
58 static void	ems_init __P((struct ams_softc *));
59 static void	ms_processevent __P((adb_event_t *event, struct ams_softc *));
60 
61 /* Driver definition. */
62 CFATTACH_DECL(ams, sizeof(struct ams_softc),
63     amsmatch, amsattach, NULL, NULL);
64 
65 int ams_enable __P((void *));
66 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
67 void ams_disable __P((void *));
68 
69 const struct wsmouse_accessops ams_accessops = {
70 	ams_enable,
71 	ams_ioctl,
72 	ams_disable,
73 };
74 
75 static int
76 amsmatch(parent, cf, aux)
77 	struct device *parent;
78 	struct cfdata *cf;
79 	void *aux;
80 {
81 	struct adb_attach_args *aa_args = aux;
82 
83 	if (aa_args->origaddr == ADBADDR_MS)
84 		return 1;
85 	else
86 		return 0;
87 }
88 
89 static void
90 amsattach(parent, self, aux)
91 	struct device *parent, *self;
92 	void   *aux;
93 {
94 	ADBSetInfoBlock adbinfo;
95 	struct ams_softc *sc = (struct ams_softc *)self;
96 	struct adb_attach_args *aa_args = aux;
97 	int error;
98 	struct wsmousedev_attach_args a;
99 
100 	sc->origaddr = aa_args->origaddr;
101 	sc->adbaddr = aa_args->adbaddr;
102 	sc->handler_id = aa_args->handler_id;
103 
104 	sc->sc_class = MSCLASS_MOUSE;
105 	sc->sc_buttons = 1;
106 	sc->sc_res = 100;
107 	sc->sc_devid[0] = 0;
108 	sc->sc_devid[4] = 0;
109 
110 	adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete;
111 	adbinfo.siDataAreaAddr = (caddr_t)sc;
112 
113 	ems_init(sc);
114 
115 	/* print out the type of mouse we have */
116 	switch (sc->handler_id) {
117 	case ADBMS_100DPI:
118 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
119 		    (int)(sc->sc_res));
120 		break;
121 	case ADBMS_200DPI:
122 		sc->sc_res = 200;
123 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
124 		    (int)(sc->sc_res));
125 		break;
126 	case ADBMS_MSA3:
127 		printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
128 		    sc->sc_buttons, (int)(sc->sc_res));
129 		break;
130 	case ADBMS_USPEED:
131 		printf("MicroSpeed mouse, default parameters\n");
132 		break;
133 	case ADBMS_UCONTOUR:
134 		printf("Contour mouse, default parameters\n");
135 		break;
136 	case ADBMS_TURBO:
137 		printf("Kensington Turbo Mouse\n");
138 		break;
139 	case ADBMS_EXTENDED:
140 		if (sc->sc_devid[0] == '\0') {
141 			printf("Logitech ");
142 			switch (sc->sc_class) {
143 			case MSCLASS_MOUSE:
144 				printf("MouseMan (non-EMP) mouse");
145 				break;
146 			case MSCLASS_TRACKBALL:
147 				printf("TrackMan (non-EMP) trackball");
148 				break;
149 			default:
150 				printf("non-EMP relative positioning device");
151 				break;
152 			}
153 			printf("\n");
154 		} else {
155 			printf("EMP ");
156 			switch (sc->sc_class) {
157 			case MSCLASS_TABLET:
158 				printf("tablet");
159 				break;
160 			case MSCLASS_MOUSE:
161 				printf("mouse");
162 				break;
163 			case MSCLASS_TRACKBALL:
164 				printf("trackball");
165 				break;
166 			case MSCLASS_TRACKPAD:
167 				printf("trackpad");
168 				break;
169 			default:
170 				printf("unknown device");
171 				break;
172 			}
173 			printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
174 			    sc->sc_buttons, (int)(sc->sc_res));
175 		}
176 		break;
177 	default:
178 		printf("relative positioning device (mouse?) (%d)\n",
179 			sc->handler_id);
180 		break;
181 	}
182 	error = SetADBInfo(&adbinfo, sc->adbaddr);
183 #ifdef ADB_DEBUG
184 	if (adb_debug)
185 		printf("ams: returned %d from SetADBInfo\n", error);
186 #endif
187 
188 	a.accessops = &ams_accessops;
189 	a.accesscookie = sc;
190 	sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
191 }
192 
193 
194 /*
195  * Initialize extended mouse support -- probes devices as described
196  * in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
197  *
198  * Extended Mouse Protocol is documented in TechNote HW1:
199  * 	"ADB - The Untold Story:  Space Aliens Ate My Mouse"
200  *
201  * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
202  * 	     Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
203  */
204 void
205 ems_init(sc)
206 	struct ams_softc *sc;
207 {
208 	int adbaddr;
209 	short cmd;
210 	u_char buffer[9];
211 
212 	adbaddr = sc->adbaddr;
213 	if (sc->origaddr != ADBADDR_MS)
214 		return;
215 	if (sc->handler_id == ADBMS_USPEED ||
216 	    sc->handler_id == ADBMS_UCONTOUR) {
217 		/* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
218 		cmd = ADBLISTEN(adbaddr, 1);
219 
220 		/*
221 		 * To setup the MicroSpeed or the Contour, it appears
222 		 * that we can send the following command to the mouse
223 		 * and then expect data back in the form:
224 		 *  buffer[0] = 4 (bytes)
225 		 *  buffer[1], buffer[2] as std. mouse
226 		 *  buffer[3] = buffer[4] = 0xff when no buttons
227 		 *   are down.  When button N down, bit N is clear.
228 		 * buffer[4]'s locking mask enables a
229 		 * click to toggle the button down state--sort of
230 		 * like the "Easy Access" shift/control/etc. keys.
231 		 * buffer[3]'s alternative speed mask enables using
232 		 * different speed when the corr. button is down
233 		 */
234 		buffer[0] = 4;
235 		buffer[1] = 0x00;	/* Alternative speed */
236 		buffer[2] = 0x00;	/* speed = maximum */
237 		buffer[3] = 0x10;	/* enable extended protocol,
238 					 * lower bits = alt. speed mask
239 					 *            = 0000b
240 					 */
241 		buffer[4] = 0x07;	/* Locking mask = 0000b,
242 					 * enable buttons = 0111b
243 					 */
244 		adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
245 
246 		sc->sc_buttons = 3;
247 		sc->sc_res = 200;
248 		return;
249 	}
250 	if (sc->handler_id == ADBMS_TURBO) {
251 		/* Found Kensington Turbo Mouse */
252 		static u_char data1[] =
253 			{ 8, 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94 };
254 		static u_char data2[] =
255 			{ 8, 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27 };
256 
257 		buffer[0] = 0;
258 		adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, ADBFLUSH(adbaddr));
259 
260 		adb_op_sync((Ptr)data1, (Ptr)0, (Ptr)0, ADBLISTEN(adbaddr, 2));
261 
262 		buffer[0] = 0;
263 		adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, ADBFLUSH(adbaddr));
264 
265 		adb_op_sync((Ptr)data2, (Ptr)0, (Ptr)0, ADBLISTEN(adbaddr, 2));
266 		return;
267 	}
268 	if ((sc->handler_id == ADBMS_100DPI) ||
269 	    (sc->handler_id == ADBMS_200DPI)) {
270 		/* found a mouse */
271 		cmd = ADBTALK(adbaddr, 3);
272 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
273 #ifdef ADB_DEBUG
274 			if (adb_debug)
275 				printf("adb: ems_init timed out\n");
276 #endif
277 			return;
278 		}
279 
280 		/* Attempt to initialize Extended Mouse Protocol */
281 		buffer[2] = 4; /* make handler ID 4 */
282 		cmd = ADBLISTEN(adbaddr, 3);
283 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
284 #ifdef ADB_DEBUG
285 			if (adb_debug)
286 				printf("adb: ems_init timed out\n");
287 #endif
288 			return;
289 		}
290 
291 		/*
292 		 * Check to see if successful, if not
293 		 * try to initialize it as other types
294 		 */
295 		cmd = ADBTALK(adbaddr, 3);
296 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
297 		    buffer[2] == ADBMS_EXTENDED) {
298 			sc->handler_id = ADBMS_EXTENDED;
299 			cmd = ADBTALK(adbaddr, 1);
300 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
301 #ifdef ADB_DEBUG
302 				if (adb_debug)
303 					printf("adb: ems_init timed out\n");
304 #endif
305 			} else if (buffer[0] == 8) {
306 				/* we have a true EMP device */
307 				sc->sc_class = buffer[7];
308 				sc->sc_buttons = buffer[8];
309 				sc->sc_res = (int)*(short *)&buffer[5];
310 				memcpy(sc->sc_devid, &(buffer[1]), 4);
311 			} else if (buffer[1] == 0x9a &&
312 			    ((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
313 				/*
314 				 * Set up non-EMP Mouseman/Trackman to put
315 				 * button bits in 3rd byte instead of sending
316 				 * via pseudo keyboard device.
317 				 */
318 				cmd = ADBLISTEN(adbaddr, 1);
319 				buffer[0]=2;
320 				buffer[1]=0x00;
321 				buffer[2]=0x81;
322 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
323 
324 				cmd = ADBLISTEN(adbaddr, 1);
325 				buffer[0]=2;
326 				buffer[1]=0x01;
327 				buffer[2]=0x81;
328 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
329 
330 				cmd = ADBLISTEN(adbaddr, 1);
331 				buffer[0]=2;
332 				buffer[1]=0x02;
333 				buffer[2]=0x81;
334 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
335 
336 				cmd = ADBLISTEN(adbaddr, 1);
337 				buffer[0]=2;
338 				buffer[1]=0x03;
339 				buffer[2]=0x38;
340 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
341 
342 				sc->sc_buttons = 3;
343 				sc->sc_res = 400;
344 				if (buffer[2] == 0x21)
345 					sc->sc_class = MSCLASS_TRACKBALL;
346 				else
347 					sc->sc_class = MSCLASS_MOUSE;
348 			} else
349 				/* unknown device? */;
350 		} else {
351 			/* Attempt to initialize as an A3 mouse */
352 			buffer[2] = 0x03; /* make handler ID 3 */
353 			cmd = ADBLISTEN(adbaddr, 3);
354 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
355 #ifdef ADB_DEBUG
356 				if (adb_debug)
357 					printf("adb: ems_init timed out\n");
358 #endif
359 				return;
360 			}
361 
362 			/*
363 			 * Check to see if successful, if not
364 			 * try to initialize it as other types
365 			 */
366 			cmd = ADBTALK(adbaddr, 3);
367 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0
368 			    && buffer[2] == ADBMS_MSA3) {
369 				sc->handler_id = ADBMS_MSA3;
370 				/* Initialize as above */
371 				cmd = ADBLISTEN(adbaddr, 2);
372 				/* listen 2 */
373 				buffer[0] = 3;
374 				buffer[1] = 0x00;
375 				/* Irrelevant, buffer has 0x77 */
376 				buffer[2] = 0x07;
377 				/*
378 				 * enable 3 button mode = 0111b,
379 				 * speed = normal
380 				 */
381 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
382 				sc->sc_buttons = 3;
383 				sc->sc_res = 300;
384 			} else {
385 				/* No special support for this mouse */
386 			}
387 		}
388 	}
389 }
390 
391 /*
392  * Handle putting the mouse data received from the ADB into
393  * an ADB event record.
394  */
395 void
396 ms_adbcomplete(buffer, data_area, adb_command)
397 	caddr_t buffer;
398 	caddr_t data_area;
399 	int adb_command;
400 {
401 	adb_event_t event;
402 	struct ams_softc *sc;
403 	int adbaddr;
404 #ifdef ADB_DEBUG
405 	int i;
406 
407 	if (adb_debug)
408 		printf("adb: transaction completion\n");
409 #endif
410 
411 	adbaddr = ADB_CMDADDR(adb_command);
412 	sc = (struct ams_softc *)data_area;
413 
414 	if ((sc->handler_id == ADBMS_EXTENDED) && (sc->sc_devid[0] == 0)) {
415 		/* massage the data to look like EMP data */
416 		if ((buffer[3] & 0x04) == 0x04)
417 			buffer[1] &= 0x7f;
418 		else
419 			buffer[1] |= 0x80;
420 		if ((buffer[3] & 0x02) == 0x02)
421 			buffer[2] &= 0x7f;
422 		else
423 			buffer[2] |= 0x80;
424 		if ((buffer[3] & 0x01) == 0x01)
425 			buffer[3] = 0x00;
426 		else
427 			buffer[3] = 0x80;
428 	}
429 
430 	event.addr = adbaddr;
431 	event.hand_id = sc->handler_id;
432 	event.def_addr = sc->origaddr;
433 	event.byte_count = buffer[0];
434 	memcpy(event.bytes, buffer + 1, event.byte_count);
435 
436 #ifdef ADB_DEBUG
437 	if (adb_debug) {
438 		printf("ams: from %d at %d (org %d) %d:", event.addr,
439 		    event.hand_id, event.def_addr, buffer[0]);
440 		for (i = 1; i <= buffer[0]; i++)
441 			printf(" %x", buffer[i]);
442 		printf("\n");
443 	}
444 #endif
445 
446 	microtime(&event.timestamp);
447 
448 	ms_processevent(&event, sc);
449 }
450 
451 /*
452  * Given a mouse ADB event, record the button settings, calculate the
453  * x- and y-axis motion, and handoff the event to the appropriate subsystem.
454  */
455 static void
456 ms_processevent(event, sc)
457 	adb_event_t *event;
458 	struct ams_softc *sc;
459 {
460 	adb_event_t new_event;
461 	int i, button_bit, max_byte, mask, buttons;
462 
463 	new_event = *event;
464 	buttons = 0;
465 
466 	/*
467 	 * This should handle both plain ol' Apple mice and mice
468 	 * that claim to support the Extended Apple Mouse Protocol.
469 	 */
470 	max_byte = event->byte_count;
471 	button_bit = 1;
472 	switch (event->hand_id) {
473 	case ADBMS_USPEED:
474 	case ADBMS_UCONTOUR:
475 		/* MicroSpeed mouse and Contour mouse */
476 		if (max_byte == 4)
477 			buttons = (~event->bytes[2]) & 0xff;
478 		else
479 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
480 		break;
481 	case ADBMS_MSA3:
482 		/* Mouse Systems A3 mouse */
483 		if (max_byte == 3)
484 			buttons = (~event->bytes[2]) & 0x07;
485 		else
486 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
487 		break;
488 	default:
489 		/* Classic Mouse Protocol (up to 2 buttons) */
490 		for (i = 0; i < 2; i++, button_bit <<= 1)
491 			/* 0 when button down */
492 			if (!(event->bytes[i] & 0x80))
493 				buttons |= button_bit;
494 			else
495 				buttons &= ~button_bit;
496 		/* Extended Protocol (up to 6 more buttons) */
497 		for (mask = 0x80; i < max_byte;
498 		     i += (mask == 0x80), button_bit <<= 1) {
499 			/* 0 when button down */
500 			if (!(event->bytes[i] & mask))
501 				buttons |= button_bit;
502 			else
503 				buttons &= ~button_bit;
504 			mask = ((mask >> 4) & 0xf)
505 				| ((mask & 0xf) << 4);
506 		}
507 		break;
508 	}
509 	new_event.u.m.buttons = sc->sc_mb | buttons;
510 	new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) -
511 				((event->bytes[1] & 0x40) ? 64 : 0);
512 	new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) -
513 				((event->bytes[0] & 0x40) ? 64 : 0);
514 
515 	if (sc->sc_wsmousedev)
516 		wsmouse_input(sc->sc_wsmousedev, new_event.u.m.buttons,
517 			      new_event.u.m.dx, -new_event.u.m.dy, 0,
518 			      WSMOUSE_INPUT_DELTA);
519 #if NAED > 0
520 	aed_input(&new_event);
521 #endif
522 }
523 
524 int
525 ams_enable(v)
526 	void *v;
527 {
528 	return 0;
529 }
530 
531 int
532 ams_ioctl(v, cmd, data, flag, p)
533 	void *v;
534 	u_long cmd;
535 	caddr_t data;
536 	int flag;
537 	struct proc *p;
538 {
539 	return EPASSTHROUGH;
540 }
541 
542 void
543 ams_disable(v)
544 	void *v;
545 {
546 }
547