xref: /netbsd/sys/arch/mac68k/dev/ams.c (revision c4a72b64)
1 /*	$NetBSD: ams.c,v 1.13 2002/10/02 05:36:37 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 "aed.h"
43 #include "wsmouse.h"
44 
45 #include <dev/wscons/wsconsio.h>
46 #include <dev/wscons/wsmousevar.h>
47 
48 #include <machine/autoconf.h>
49 #include <machine/keyboard.h>
50 
51 #include <mac68k/mac68k/macrom.h>
52 #include <mac68k/dev/adbvar.h>
53 #include <mac68k/dev/aedvar.h>
54 #include <mac68k/dev/amsvar.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 /*
65  * Global variables.
66  */
67 extern int	kbd_polling; /* Are we polling (Debugger mode)? from kbd.c */
68 
69 /*
70  * Local variables.
71  */
72 
73 /* Driver definition. */
74 CFATTACH_DECL(ams, sizeof(struct ams_softc),
75     amsmatch, amsattach, NULL, NULL);
76 
77 extern struct cfdriver ams_cd;
78 
79 int ams_enable __P((void *));
80 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
81 void ams_disable __P((void *));
82 
83 const struct wsmouse_accessops ams_accessops = {
84 	ams_enable,
85 	ams_ioctl,
86 	ams_disable,
87 };
88 
89 static int
90 amsmatch(parent, cf, aux)
91 	struct device *parent;
92 	struct cfdata *cf;
93 	void *aux;
94 {
95 	struct adb_attach_args * aa_args = (struct adb_attach_args *)aux;
96 
97 	if (aa_args->origaddr == ADBADDR_MS)
98 		return 1;
99 	else
100 		return 0;
101 }
102 
103 static void
104 amsattach(parent, self, aux)
105 	struct device *parent, *self;
106 	void   *aux;
107 {
108 	ADBSetInfoBlock adbinfo;
109 	struct ams_softc *sc = (struct ams_softc *)self;
110 	struct adb_attach_args * aa_args = (struct adb_attach_args *)aux;
111 	int error;
112 #if NWSMOUSE > 0
113 	struct wsmousedev_attach_args a;
114 #endif
115 
116 	sc->origaddr = aa_args->origaddr;
117 	sc->adbaddr = aa_args->adbaddr;
118 	sc->handler_id = aa_args->handler_id;
119 
120 	sc->sc_class = MSCLASS_MOUSE;
121 	sc->sc_buttons = 1;
122 	sc->sc_res = 100;
123 	sc->sc_devid[0] = 0;
124 	sc->sc_devid[4] = 0;
125 
126 	adbinfo.siServiceRtPtr = (Ptr)adb_ms_asmcomplete;
127 	adbinfo.siDataAreaAddr = (caddr_t)sc;
128 
129 	ems_init(sc);
130 
131 	/* print out the type of mouse we have */
132 	switch (sc->handler_id) {
133 	case ADBMS_100DPI:
134 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
135 		    (int)(sc->sc_res));
136 		break;
137 	case ADBMS_200DPI:
138 		sc->sc_res = 200;
139 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
140 		    (int)(sc->sc_res));
141 		break;
142 	case ADBMS_MSA3:
143 		printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
144 		    sc->sc_buttons, (int)(sc->sc_res));
145 		break;
146 	case ADBMS_USPEED:
147 		printf("MicroSpeed mouse, default parameters\n");
148 		break;
149 	case ADBMS_UCONTOUR:
150 		printf("Contour mouse, default parameters\n");
151 		break;
152 	case ADBMS_EXTENDED:
153 		if (sc->sc_devid[0] == '\0') {
154 			printf("Logitech ");
155 			switch (sc->sc_class) {
156 			case MSCLASS_MOUSE:
157 				printf("MouseMan (non-EMP) mouse");
158 				break;
159 			case MSCLASS_TRACKBALL:
160 				printf("TrackMan (non-EMP) trackball");
161 				break;
162 			default:
163 				printf("non-EMP relative positioning device");
164 				break;
165 			}
166 			printf("\n");
167 		} else {
168 			printf("EMP ");
169 			switch (sc->sc_class) {
170 			case MSCLASS_TABLET:
171 				printf("tablet");
172 				break;
173 			case MSCLASS_MOUSE:
174 				printf("mouse");
175 				break;
176 			case MSCLASS_TRACKBALL:
177 				printf("trackball");
178 				break;
179 			default:
180 				printf("unknown device");
181 				break;
182 			}
183 			printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
184 			    sc->sc_buttons, (int)(sc->sc_res));
185 		}
186 		break;
187 	default:
188 		printf("relative positioning device (mouse?) (%d)\n",
189 			sc->handler_id);
190 		break;
191 	}
192 	error = SetADBInfo(&adbinfo, sc->adbaddr);
193 #ifdef ADB_DEBUG
194 	if (adb_debug)
195 		printf("ams: returned %d from SetADBInfo\n", error);
196 #endif
197 
198 #if NWSMOUSE > 0
199 	a.accessops = &ams_accessops;
200 	a.accesscookie = sc;
201 	sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
202 #endif
203 }
204 
205 
206 /*
207  * Initialize extended mouse support -- probes devices as described
208  * in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
209  *
210  * Extended Mouse Protocol is documented in TechNote HW1:
211  * 	"ADB - The Untold Story:  Space Aliens Ate My Mouse"
212  *
213  * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
214  * 	     Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
215  */
216 void
217 ems_init(sc)
218 	struct ams_softc * sc;
219 {
220 	int adbaddr;
221 	short cmd;
222 	u_char buffer[9];
223 
224 	adbaddr = sc->adbaddr;
225 	if (sc->origaddr != ADBADDR_MS)
226 		return;
227 	if (sc->handler_id == ADBMS_USPEED ||
228 	    sc->handler_id == ADBMS_UCONTOUR) {
229 		/* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
230 		cmd = ADBLISTEN(adbaddr, 1);
231 
232 		/*
233 		 * To setup the MicroSpeed or the Contour, it appears
234 		 * that we can send the following command to the mouse
235 		 * and then expect data back in the form:
236 		 *  buffer[0] = 4 (bytes)
237 		 *  buffer[1], buffer[2] as std. mouse
238 		 *  buffer[3] = buffer[4] = 0xff when no buttons
239 		 *   are down.  When button N down, bit N is clear.
240 		 * buffer[4]'s locking mask enables a
241 		 * click to toggle the button down state--sort of
242 		 * like the "Easy Access" shift/control/etc. keys.
243 		 * buffer[3]'s alternative speed mask enables using
244 		 * different speed when the corr. button is down
245 		 */
246 		buffer[0] = 4;
247 		buffer[1] = 0x00;	/* Alternative speed */
248 		buffer[2] = 0x00;	/* speed = maximum */
249 		buffer[3] = 0x10;	/* enable extended protocol,
250 					 * lower bits = alt. speed mask
251 					 *            = 0000b
252 					 */
253 		buffer[4] = 0x07;	/* Locking mask = 0000b,
254 					 * enable buttons = 0111b
255 					 */
256 		adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
257 
258 		sc->sc_buttons = 3;
259 		sc->sc_res = 200;
260 		return;
261 	}
262 	if ((sc->handler_id == ADBMS_100DPI) ||
263 	    (sc->handler_id == ADBMS_200DPI)) {
264 		/* found a mouse */
265 		cmd = ADBTALK(adbaddr, 3);
266 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
267 #ifdef ADB_DEBUG
268 			if (adb_debug)
269 				printf("adb: ems_init timed out\n");
270 #endif
271 			return;
272 		}
273 
274 		/* Attempt to initialize Extended Mouse Protocol */
275 		buffer[2] = 4; /* make handler ID 4 */
276 		cmd = ADBLISTEN(adbaddr, 3);
277 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
278 #ifdef ADB_DEBUG
279 			if (adb_debug)
280 				printf("adb: ems_init timed out\n");
281 #endif
282 			return;
283 		}
284 
285 		/*
286 		 * Check to see if successful, if not
287 		 * try to initialize it as other types
288 		 */
289 		cmd = ADBTALK(adbaddr, 3);
290 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
291 		    buffer[2] == ADBMS_EXTENDED) {
292 			sc->handler_id = ADBMS_EXTENDED;
293 			cmd = ADBTALK(adbaddr, 1);
294 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
295 #ifdef ADB_DEBUG
296 				if (adb_debug)
297 					printf("adb: ems_init timed out\n");
298 #endif
299 			} else if (buffer[0] == 8) {
300 				/* we have a true EMP device */
301 				sc->sc_class = buffer[7];
302 				sc->sc_buttons = buffer[8];
303 				sc->sc_res = (int)*(short *)&buffer[5];
304 				bcopy(&(buffer[1]), sc->sc_devid, 4);
305 			} else if (buffer[1] == 0x9a &&
306 			    ((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
307 				/*
308 				 * Set up non-EMP Mouseman/Trackman to put
309 				 * button bits in 3rd byte instead of sending
310 				 * via pseudo keyboard device.
311 				 */
312 				cmd = ADBLISTEN(adbaddr, 1);
313 				buffer[0]=2;
314 				buffer[1]=0x00;
315 				buffer[2]=0x81;
316 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
317 
318 				cmd = ADBLISTEN(adbaddr, 1);
319 				buffer[0]=2;
320 				buffer[1]=0x01;
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]=0x02;
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]=0x03;
333 				buffer[2]=0x38;
334 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
335 
336 				sc->sc_buttons = 3;
337 				sc->sc_res = 400;
338 				if (buffer[2] == 0x21)
339 					sc->sc_class = MSCLASS_TRACKBALL;
340 				else
341 					sc->sc_class = MSCLASS_MOUSE;
342 			} else
343 				/* unknown device? */;
344 		} else {
345 			/* Attempt to initialize as an A3 mouse */
346 			buffer[2] = 0x03; /* make handler ID 3 */
347 			cmd = ADBLISTEN(adbaddr, 3);
348 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
349 #ifdef ADB_DEBUG
350 				if (adb_debug)
351 					printf("adb: ems_init timed out\n");
352 #endif
353 				return;
354 			}
355 
356 			/*
357 			 * Check to see if successful, if not
358 			 * try to initialize it as other types
359 			 */
360 			cmd = ADBTALK(adbaddr, 3);
361 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0
362 			    && buffer[2] == ADBMS_MSA3) {
363 				sc->handler_id = ADBMS_MSA3;
364 				/* Initialize as above */
365 				cmd = ADBLISTEN(adbaddr, 2);
366 				/* listen 2 */
367 				buffer[0] = 3;
368 				buffer[1] = 0x00;
369 				/* Irrelevant, buffer has 0x77 */
370 				buffer[2] = 0x07;
371 				/*
372 				 * enable 3 button mode = 0111b,
373 				 * speed = normal
374 				 */
375 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
376 				sc->sc_buttons = 3;
377 				sc->sc_res = 300;
378 			} else {
379 				/* No special support for this mouse */
380 			}
381 		}
382 	}
383 }
384 
385 /*
386  * Handle putting the mouse data received from the ADB into
387  * an ADB event record.
388  */
389 void
390 ms_adbcomplete(buffer, data_area, adb_command)
391 	caddr_t buffer;
392 	caddr_t data_area;
393 	int adb_command;
394 {
395 	adb_event_t event;
396 	struct ams_softc *amsc;
397 	int adbaddr;
398 #ifdef ADB_DEBUG
399 	int i;
400 
401 	if (adb_debug)
402 		printf("adb: transaction completion\n");
403 #endif
404 
405 	adbaddr = ADB_CMDADDR(adb_command);
406 	amsc = (struct ams_softc *)data_area;
407 
408 	if ((amsc->handler_id == ADBMS_EXTENDED) && (amsc->sc_devid[0] == 0)) {
409 		/* massage the data to look like EMP data */
410 		if ((buffer[3] & 0x04) == 0x04)
411 			buffer[1] &= 0x7f;
412 		else
413 			buffer[1] |= 0x80;
414 		if ((buffer[3] & 0x02) == 0x02)
415 			buffer[2] &= 0x7f;
416 		else
417 			buffer[2] |= 0x80;
418 		if ((buffer[3] & 0x01) == 0x01)
419 			buffer[3] = 0x00;
420 		else
421 			buffer[3] = 0x80;
422 	}
423 
424 	event.addr = adbaddr;
425 	event.hand_id = amsc->handler_id;
426 	event.def_addr = amsc->origaddr;
427 	event.byte_count = buffer[0];
428 	memcpy(event.bytes, buffer + 1, event.byte_count);
429 
430 #ifdef ADB_DEBUG
431 	if (adb_debug) {
432 		printf("ams: from %d at %d (org %d) %d:", event.addr,
433 		    event.hand_id, event.def_addr, buffer[0]);
434 		for (i = 1; i <= buffer[0]; i++)
435 			printf(" %x", buffer[i]);
436 		printf("\n");
437 	}
438 #endif
439 
440 	microtime(&event.timestamp);
441 
442 	ms_processevent(&event, amsc);
443 }
444 
445 /*
446  * Given a mouse ADB event, record the button settings, calculate the
447  * x- and y-axis motion, and handoff the event to the appropriate subsystem.
448  */
449 static void
450 ms_processevent(event, amsc)
451 	adb_event_t *event;
452 	struct ams_softc *amsc;
453 {
454 	adb_event_t new_event;
455 	int i, button_bit, max_byte, mask, buttons;
456 
457 	new_event = *event;
458 	buttons = 0;
459 
460 	/*
461 	 * This should handle both plain ol' Apple mice and mice
462 	 * that claim to support the Extended Apple Mouse Protocol.
463 	 */
464 	max_byte = event->byte_count;
465 	button_bit = 1;
466 	switch (event->hand_id) {
467 	case ADBMS_USPEED:
468 	case ADBMS_UCONTOUR:
469 		/* MicroSpeed mouse and Contour mouse */
470 		if (max_byte == 4)
471 			buttons = (~event->bytes[2]) & 0xff;
472 		else
473 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
474 		break;
475 	case ADBMS_MSA3:
476 		/* Mouse Systems A3 mouse */
477 		if (max_byte == 3)
478 			buttons = (~event->bytes[2]) & 0x07;
479 		else
480 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
481 		break;
482 	default:
483 		/* Classic Mouse Protocol (up to 2 buttons) */
484 		for (i = 0; i < 2; i++, button_bit <<= 1)
485 			/* 0 when button down */
486 			if (!(event->bytes[i] & 0x80))
487 				buttons |= button_bit;
488 			else
489 				buttons &= ~button_bit;
490 		/* Extended Protocol (up to 6 more buttons) */
491 		for (mask = 0x80; i < max_byte;
492 		     i += (mask == 0x80), button_bit <<= 1) {
493 			/* 0 when button down */
494 			if (!(event->bytes[i] & mask))
495 				buttons |= button_bit;
496 			else
497 				buttons &= ~button_bit;
498 			mask = ((mask >> 4) & 0xf)
499 				| ((mask & 0xf) << 4);
500 		}
501 		break;
502 	}
503 	new_event.u.m.buttons = amsc->sc_mb | buttons;
504 	new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) -
505 				((event->bytes[1] & 0x40) ? 64 : 0);
506 	new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) -
507 				((event->bytes[0] & 0x40) ? 64 : 0);
508 
509 #if NAED > 0
510 	if (!aed_input(&new_event))
511 #endif
512 #if NWSMOUSE > 0
513 		if (amsc->sc_wsmousedev != NULL) /* wsmouse is attached? */
514 			wsmouse_input(amsc->sc_wsmousedev,
515 			    new_event.u.m.buttons,
516 			    new_event.u.m.dx, new_event.u.m.dy, 0, 0);
517 #else
518 		/* do nothing */ ;
519 #endif
520 }
521 
522 int
523 ams_enable(v)
524 	void *v;
525 {
526 	return 0;
527 }
528 
529 int
530 ams_ioctl(v, cmd, data, flag, p)
531 	void *v;
532 	u_long cmd;
533 	caddr_t data;
534 	int flag;
535 	struct proc *p;
536 {
537 	return (EPASSTHROUGH);
538 }
539 
540 void
541 ams_disable(v)
542 	void *v;
543 {
544 }
545