xref: /netbsd-src/sys/arch/mac68k/dev/ams.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: ams.c,v 1.16 2005/12/11 12:18:02 christos 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 1.16 2005/12/11 12:18:02 christos 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 "aed.h"
46 #include "wsmouse.h"
47 
48 #include <dev/wscons/wsconsio.h>
49 #include <dev/wscons/wsmousevar.h>
50 
51 #include <machine/autoconf.h>
52 #include <machine/keyboard.h>
53 
54 #include <mac68k/mac68k/macrom.h>
55 #include <mac68k/dev/adbvar.h>
56 #include <mac68k/dev/aedvar.h>
57 #include <mac68k/dev/amsvar.h>
58 
59 /*
60  * Function declarations.
61  */
62 static int	amsmatch(struct device *, struct cfdata *, void *);
63 static void	amsattach(struct device *, struct device *, void *);
64 static void	ems_init(struct ams_softc *);
65 static void	ms_processevent(adb_event_t *, struct ams_softc *);
66 
67 /*
68  * Global variables.
69  */
70 extern int	kbd_polling; /* Are we polling (Debugger mode)? from kbd.c */
71 
72 /*
73  * Local variables.
74  */
75 
76 /* Driver definition. */
77 CFATTACH_DECL(ams, sizeof(struct ams_softc),
78     amsmatch, amsattach, NULL, NULL);
79 
80 extern struct cfdriver ams_cd;
81 
82 int ams_enable(void *);
83 int ams_ioctl(void *, u_long, caddr_t, int, struct lwp *);
84 void ams_disable(void *);
85 
86 const struct wsmouse_accessops ams_accessops = {
87 	ams_enable,
88 	ams_ioctl,
89 	ams_disable,
90 };
91 
92 static int
93 amsmatch(struct device *parent, struct cfdata *cf, 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(struct device *parent, struct device *self, void *aux)
105 {
106 	ADBSetInfoBlock adbinfo;
107 	struct ams_softc *sc = (struct ams_softc *)self;
108 	struct adb_attach_args * aa_args = (struct adb_attach_args *)aux;
109 	int error;
110 #if NWSMOUSE > 0
111 	struct wsmousedev_attach_args a;
112 #endif
113 
114 	sc->origaddr = aa_args->origaddr;
115 	sc->adbaddr = aa_args->adbaddr;
116 	sc->handler_id = aa_args->handler_id;
117 
118 	sc->sc_class = MSCLASS_MOUSE;
119 	sc->sc_buttons = 1;
120 	sc->sc_res = 100;
121 	sc->sc_devid[0] = 0;
122 	sc->sc_devid[4] = 0;
123 
124 	adbinfo.siServiceRtPtr = (Ptr)adb_ms_asmcomplete;
125 	adbinfo.siDataAreaAddr = (caddr_t)sc;
126 
127 	ems_init(sc);
128 
129 	/* print out the type of mouse we have */
130 	switch (sc->handler_id) {
131 	case ADBMS_100DPI:
132 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
133 		    (int)(sc->sc_res));
134 		break;
135 	case ADBMS_200DPI:
136 		sc->sc_res = 200;
137 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
138 		    (int)(sc->sc_res));
139 		break;
140 	case ADBMS_MSA3:
141 		printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
142 		    sc->sc_buttons, (int)(sc->sc_res));
143 		break;
144 	case ADBMS_USPEED:
145 		printf("MicroSpeed mouse, default parameters\n");
146 		break;
147 	case ADBMS_UCONTOUR:
148 		printf("Contour mouse, default parameters\n");
149 		break;
150 	case ADBMS_EXTENDED:
151 		if (sc->sc_devid[0] == '\0') {
152 			printf("Logitech ");
153 			switch (sc->sc_class) {
154 			case MSCLASS_MOUSE:
155 				printf("MouseMan (non-EMP) mouse");
156 				break;
157 			case MSCLASS_TRACKBALL:
158 				printf("TrackMan (non-EMP) trackball");
159 				break;
160 			default:
161 				printf("non-EMP relative positioning device");
162 				break;
163 			}
164 			printf("\n");
165 		} else {
166 			printf("EMP ");
167 			switch (sc->sc_class) {
168 			case MSCLASS_TABLET:
169 				printf("tablet");
170 				break;
171 			case MSCLASS_MOUSE:
172 				printf("mouse");
173 				break;
174 			case MSCLASS_TRACKBALL:
175 				printf("trackball");
176 				break;
177 			default:
178 				printf("unknown device");
179 				break;
180 			}
181 			printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
182 			    sc->sc_buttons, (int)(sc->sc_res));
183 		}
184 		break;
185 	default:
186 		printf("relative positioning device (mouse?) (%d)\n",
187 			sc->handler_id);
188 		break;
189 	}
190 	error = SetADBInfo(&adbinfo, sc->adbaddr);
191 #ifdef ADB_DEBUG
192 	if (adb_debug)
193 		printf("ams: returned %d from SetADBInfo\n", error);
194 #endif
195 
196 #if NWSMOUSE > 0
197 	a.accessops = &ams_accessops;
198 	a.accesscookie = sc;
199 	sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
200 #endif
201 }
202 
203 
204 /*
205  * Initialize extended mouse support -- probes devices as described
206  * in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
207  *
208  * Extended Mouse Protocol is documented in TechNote HW1:
209  * 	"ADB - The Untold Story:  Space Aliens Ate My Mouse"
210  *
211  * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
212  * 	     Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
213  */
214 void
215 ems_init(struct ams_softc *sc)
216 {
217 	int adbaddr;
218 	short cmd;
219 	u_char buffer[9];
220 
221 	adbaddr = sc->adbaddr;
222 	if (sc->origaddr != ADBADDR_MS)
223 		return;
224 	if (sc->handler_id == ADBMS_USPEED ||
225 	    sc->handler_id == ADBMS_UCONTOUR) {
226 		/* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
227 		cmd = ADBLISTEN(adbaddr, 1);
228 
229 		/*
230 		 * To setup the MicroSpeed or the Contour, it appears
231 		 * that we can send the following command to the mouse
232 		 * and then expect data back in the form:
233 		 *  buffer[0] = 4 (bytes)
234 		 *  buffer[1], buffer[2] as std. mouse
235 		 *  buffer[3] = buffer[4] = 0xff when no buttons
236 		 *   are down.  When button N down, bit N is clear.
237 		 * buffer[4]'s locking mask enables a
238 		 * click to toggle the button down state--sort of
239 		 * like the "Easy Access" shift/control/etc. keys.
240 		 * buffer[3]'s alternative speed mask enables using
241 		 * different speed when the corr. button is down
242 		 */
243 		buffer[0] = 4;
244 		buffer[1] = 0x00;	/* Alternative speed */
245 		buffer[2] = 0x00;	/* speed = maximum */
246 		buffer[3] = 0x10;	/* enable extended protocol,
247 					 * lower bits = alt. speed mask
248 					 *            = 0000b
249 					 */
250 		buffer[4] = 0x07;	/* Locking mask = 0000b,
251 					 * enable buttons = 0111b
252 					 */
253 		adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
254 
255 		sc->sc_buttons = 3;
256 		sc->sc_res = 200;
257 		return;
258 	}
259 	if ((sc->handler_id == ADBMS_100DPI) ||
260 	    (sc->handler_id == ADBMS_200DPI)) {
261 		/* found a mouse */
262 		cmd = ADBTALK(adbaddr, 3);
263 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
264 #ifdef ADB_DEBUG
265 			if (adb_debug)
266 				printf("adb: ems_init timed out\n");
267 #endif
268 			return;
269 		}
270 
271 		/* Attempt to initialize Extended Mouse Protocol */
272 		buffer[2] = 4; /* make handler ID 4 */
273 		cmd = ADBLISTEN(adbaddr, 3);
274 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
275 #ifdef ADB_DEBUG
276 			if (adb_debug)
277 				printf("adb: ems_init timed out\n");
278 #endif
279 			return;
280 		}
281 
282 		/*
283 		 * Check to see if successful, if not
284 		 * try to initialize it as other types
285 		 */
286 		cmd = ADBTALK(adbaddr, 3);
287 		if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
288 		    buffer[2] == ADBMS_EXTENDED) {
289 			sc->handler_id = ADBMS_EXTENDED;
290 			cmd = ADBTALK(adbaddr, 1);
291 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
292 #ifdef ADB_DEBUG
293 				if (adb_debug)
294 					printf("adb: ems_init timed out\n");
295 #endif
296 			} else if (buffer[0] == 8) {
297 				/* we have a true EMP device */
298 				sc->sc_class = buffer[7];
299 				sc->sc_buttons = buffer[8];
300 				sc->sc_res = (int)*(short *)&buffer[5];
301 				memcpy(sc->sc_devid, &(buffer[1]), 4);
302 			} else if (buffer[1] == 0x9a &&
303 			    ((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
304 				/*
305 				 * Set up non-EMP Mouseman/Trackman to put
306 				 * button bits in 3rd byte instead of sending
307 				 * via pseudo keyboard device.
308 				 */
309 				cmd = ADBLISTEN(adbaddr, 1);
310 				buffer[0]=2;
311 				buffer[1]=0x00;
312 				buffer[2]=0x81;
313 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
314 
315 				cmd = ADBLISTEN(adbaddr, 1);
316 				buffer[0]=2;
317 				buffer[1]=0x01;
318 				buffer[2]=0x81;
319 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
320 
321 				cmd = ADBLISTEN(adbaddr, 1);
322 				buffer[0]=2;
323 				buffer[1]=0x02;
324 				buffer[2]=0x81;
325 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
326 
327 				cmd = ADBLISTEN(adbaddr, 1);
328 				buffer[0]=2;
329 				buffer[1]=0x03;
330 				buffer[2]=0x38;
331 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
332 
333 				sc->sc_buttons = 3;
334 				sc->sc_res = 400;
335 				if (buffer[2] == 0x21)
336 					sc->sc_class = MSCLASS_TRACKBALL;
337 				else
338 					sc->sc_class = MSCLASS_MOUSE;
339 			} else
340 				/* unknown device? */;
341 		} else {
342 			/* Attempt to initialize as an A3 mouse */
343 			buffer[2] = 0x03; /* make handler ID 3 */
344 			cmd = ADBLISTEN(adbaddr, 3);
345 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) {
346 #ifdef ADB_DEBUG
347 				if (adb_debug)
348 					printf("adb: ems_init timed out\n");
349 #endif
350 				return;
351 			}
352 
353 			/*
354 			 * Check to see if successful, if not
355 			 * try to initialize it as other types
356 			 */
357 			cmd = ADBTALK(adbaddr, 3);
358 			if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0
359 			    && buffer[2] == ADBMS_MSA3) {
360 				sc->handler_id = ADBMS_MSA3;
361 				/* Initialize as above */
362 				cmd = ADBLISTEN(adbaddr, 2);
363 				/* listen 2 */
364 				buffer[0] = 3;
365 				buffer[1] = 0x00;
366 				/* Irrelevant, buffer has 0x77 */
367 				buffer[2] = 0x07;
368 				/*
369 				 * enable 3 button mode = 0111b,
370 				 * speed = normal
371 				 */
372 				adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
373 				sc->sc_buttons = 3;
374 				sc->sc_res = 300;
375 			} else {
376 				/* No special support for this mouse */
377 			}
378 		}
379 	}
380 }
381 
382 /*
383  * Handle putting the mouse data received from the ADB into
384  * an ADB event record.
385  */
386 void
387 ms_adbcomplete(caddr_t buffer, caddr_t data_area, int adb_command)
388 {
389 	adb_event_t event;
390 	struct ams_softc *amsc;
391 	int adbaddr;
392 #ifdef ADB_DEBUG
393 	int i;
394 
395 	if (adb_debug)
396 		printf("adb: transaction completion\n");
397 #endif
398 
399 	adbaddr = ADB_CMDADDR(adb_command);
400 	amsc = (struct ams_softc *)data_area;
401 
402 	if ((amsc->handler_id == ADBMS_EXTENDED) && (amsc->sc_devid[0] == 0)) {
403 		/* massage the data to look like EMP data */
404 		if ((buffer[3] & 0x04) == 0x04)
405 			buffer[1] &= 0x7f;
406 		else
407 			buffer[1] |= 0x80;
408 		if ((buffer[3] & 0x02) == 0x02)
409 			buffer[2] &= 0x7f;
410 		else
411 			buffer[2] |= 0x80;
412 		if ((buffer[3] & 0x01) == 0x01)
413 			buffer[3] = 0x00;
414 		else
415 			buffer[3] = 0x80;
416 	}
417 
418 	event.addr = adbaddr;
419 	event.hand_id = amsc->handler_id;
420 	event.def_addr = amsc->origaddr;
421 	event.byte_count = buffer[0];
422 	memcpy(event.bytes, buffer + 1, event.byte_count);
423 
424 #ifdef ADB_DEBUG
425 	if (adb_debug) {
426 		printf("ams: from %d at %d (org %d) %d:", event.addr,
427 		    event.hand_id, event.def_addr, buffer[0]);
428 		for (i = 1; i <= buffer[0]; i++)
429 			printf(" %x", buffer[i]);
430 		printf("\n");
431 	}
432 #endif
433 
434 	microtime(&event.timestamp);
435 
436 	ms_processevent(&event, amsc);
437 }
438 
439 /*
440  * Given a mouse ADB event, record the button settings, calculate the
441  * x- and y-axis motion, and handoff the event to the appropriate subsystem.
442  */
443 static void
444 ms_processevent(adb_event_t *event, struct ams_softc *amsc)
445 {
446 	adb_event_t new_event;
447 	int i, button_bit, max_byte, mask, buttons;
448 
449 	new_event = *event;
450 	buttons = 0;
451 
452 	/*
453 	 * This should handle both plain ol' Apple mice and mice
454 	 * that claim to support the Extended Apple Mouse Protocol.
455 	 */
456 	max_byte = event->byte_count;
457 	button_bit = 1;
458 	switch (event->hand_id) {
459 	case ADBMS_USPEED:
460 	case ADBMS_UCONTOUR:
461 		/* MicroSpeed mouse and Contour mouse */
462 		if (max_byte == 4)
463 			buttons = (~event->bytes[2]) & 0xff;
464 		else
465 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
466 		break;
467 	case ADBMS_MSA3:
468 		/* Mouse Systems A3 mouse */
469 		if (max_byte == 3)
470 			buttons = (~event->bytes[2]) & 0x07;
471 		else
472 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
473 		break;
474 	default:
475 		/* Classic Mouse Protocol (up to 2 buttons) */
476 		for (i = 0; i < 2; i++, button_bit <<= 1)
477 			/* 0 when button down */
478 			if (!(event->bytes[i] & 0x80))
479 				buttons |= button_bit;
480 			else
481 				buttons &= ~button_bit;
482 		/* Extended Protocol (up to 6 more buttons) */
483 		for (mask = 0x80; i < max_byte;
484 		     i += (mask == 0x80), button_bit <<= 1) {
485 			/* 0 when button down */
486 			if (!(event->bytes[i] & mask))
487 				buttons |= button_bit;
488 			else
489 				buttons &= ~button_bit;
490 			mask = ((mask >> 4) & 0xf)
491 				| ((mask & 0xf) << 4);
492 		}
493 		break;
494 	}
495 	new_event.u.m.buttons = amsc->sc_mb | buttons;
496 	new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) -
497 				((event->bytes[1] & 0x40) ? 64 : 0);
498 	new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) -
499 				((event->bytes[0] & 0x40) ? 64 : 0);
500 
501 #if NAED > 0
502 	if (!aed_input(&new_event))
503 #endif
504 #if NWSMOUSE > 0
505 		if (amsc->sc_wsmousedev != NULL) /* wsmouse is attached? */
506 			wsmouse_input(amsc->sc_wsmousedev,
507 			    new_event.u.m.buttons,
508 			    new_event.u.m.dx, new_event.u.m.dy, 0, 0);
509 #else
510 		/* do nothing */ ;
511 #endif
512 }
513 
514 int
515 ams_enable(void *v)
516 {
517 	return 0;
518 }
519 
520 int
521 ams_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l)
522 {
523 	return (EPASSTHROUGH);
524 }
525 
526 void
527 ams_disable(void *v)
528 {
529 }
530