xref: /netbsd-src/sys/arch/mac68k/dev/akbd.c (revision 4472dbe5e3bd91ef2540bada7a7ca7384627ff9b) 
1 /*	$NetBSD: akbd.c,v 1.7 2000/03/19 07:37:58 scottr 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 "opt_adb.h"
34 
35 #include <sys/param.h>
36 #include <sys/device.h>
37 #include <sys/fcntl.h>
38 #include <sys/poll.h>
39 #include <sys/select.h>
40 #include <sys/proc.h>
41 #include <sys/signalvar.h>
42 #include <sys/systm.h>
43 
44 #include "aed.h"
45 #include "wskbd.h"
46 
47 #include <dev/wscons/wsconsio.h>
48 #include <dev/wscons/wskbdvar.h>
49 #include <dev/wscons/wsksymdef.h>
50 #include <dev/wscons/wsksymvar.h>
51 
52 #include <machine/autoconf.h>
53 #include <machine/cpu.h>
54 #define KEYBOARD_ARRAY
55 #include <machine/keyboard.h>
56 #include <machine/viareg.h>
57 
58 #include <mac68k/mac68k/macrom.h>
59 #include <mac68k/dev/adbvar.h>
60 #include <mac68k/dev/aedvar.h>
61 #include <mac68k/dev/akbdmap.h>
62 #include <mac68k/dev/akbdvar.h>
63 #include <mac68k/dev/amsvar.h>
64 
65 /*
66  * Function declarations.
67  */
68 static int	akbdmatch __P((struct device *, struct cfdata *, void *));
69 static void	akbdattach __P((struct device *, struct device *, void *));
70 void		kbd_adbcomplete __P((caddr_t buffer, caddr_t data_area, int adb_command));
71 static void	kbd_processevent __P((adb_event_t *event, struct akbd_softc *));
72 #ifdef notyet
73 static u_char	getleds __P((int));
74 static int	setleds __P((struct akbd_softc *, u_char));
75 static void	blinkleds __P((struct akbd_softc *));
76 #endif
77 
78 /*
79  * Local variables.
80  */
81 static volatile int kbd_done;  /* Did ADBOp() complete? */
82 
83 /* Driver definition. */
84 struct cfattach akbd_ca = {
85 	sizeof(struct akbd_softc), akbdmatch, akbdattach
86 };
87 
88 extern struct cfdriver akbd_cd;
89 
90 int kbd_intr __P((adb_event_t *event));
91 int akbd_enable __P((void *, int));
92 void akbd_set_leds __P((void *, int));
93 int akbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
94 
95 struct wskbd_accessops akbd_accessops = {
96 	akbd_enable,
97 	akbd_set_leds,
98 	akbd_ioctl,
99 };
100 
101 void akbd_cngetc __P((void *, u_int *, int *));
102 void akbd_cnpollc __P((void *, int));
103 int akbd_cnattach __P((void));
104 
105 struct wskbd_consops akbd_consops = {
106 	akbd_cngetc,
107 	akbd_cnpollc,
108 };
109 
110 struct wskbd_mapdata akbd_keymapdata = {
111 	akbd_keydesctab,
112 	KB_US,
113 };
114 
115 static int akbd_is_console __P((void));
116 
117 static int
118 akbdmatch(parent, cf, aux)
119 	struct device *parent;
120 	struct cfdata *cf;
121 	void   *aux;
122 {
123 	struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
124 
125 	if (aa_args->origaddr == ADBADDR_KBD)
126 		return 1;
127 	else
128 		return 0;
129 }
130 
131 static void
132 akbdattach(parent, self, aux)
133 	struct device *parent, *self;
134 	void   *aux;
135 {
136 	ADBSetInfoBlock adbinfo;
137 	struct akbd_softc *sc = (struct akbd_softc *)self;
138 	struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
139 	int count, error;
140 	short cmd;
141 	u_char buffer[9];
142 #if NWSKBD > 0
143 	struct wskbddev_attach_args a;
144 #endif
145 
146 	sc->origaddr = aa_args->origaddr;
147 	sc->adbaddr = aa_args->adbaddr;
148 	sc->handler_id = aa_args->handler_id;
149 
150 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
151 
152 	adbinfo.siServiceRtPtr = (Ptr)adb_kbd_asmcomplete;
153 	adbinfo.siDataAreaAddr = (caddr_t)sc;
154 
155 	switch (sc->handler_id) {
156 	case ADB_STDKBD:
157 		printf("standard keyboard\n");
158 		break;
159 	case ADB_ISOKBD:
160 		printf("standard keyboard (ISO layout)\n");
161 		break;
162 	case ADB_EXTKBD:
163 		kbd_done = 0;
164 		cmd = ADBTALK(sc->adbaddr, 1);
165 		ADBOp((Ptr)buffer, (Ptr)extdms_complete,
166 		    (Ptr)&kbd_done, cmd);
167 
168 		/* Wait until done, but no more than 2 secs */
169 		count = 40000;
170 		while (!kbd_done && count-- > 0)
171 			delay(50);
172 
173 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
174 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
175 			printf("Mouseman (non-EMP) pseudo keyboard\n");
176 			adbinfo.siServiceRtPtr = (Ptr)0;
177 			adbinfo.siDataAreaAddr = (Ptr)0;
178 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
179 			printf("Trackman (non-EMP) pseudo keyboard\n");
180 			adbinfo.siServiceRtPtr = (Ptr)0;
181 			adbinfo.siDataAreaAddr = (Ptr)0;
182 		} else {
183 			printf("extended keyboard\n");
184 #ifdef notyet
185 			blinkleds(sc);
186 #endif
187 		}
188 		break;
189 	case ADB_EXTISOKBD:
190 		printf("extended keyboard (ISO layout)\n");
191 #ifdef notyet
192 		blinkleds(sc);
193 #endif
194 		break;
195 	case ADB_KBDII:
196 		printf("keyboard II\n");
197 		break;
198 	case ADB_ISOKBDII:
199 		printf("keyboard II (ISO layout)\n");
200 		break;
201 	case ADB_PBKBD:
202 		printf("PowerBook keyboard\n");
203 		break;
204 	case ADB_PBISOKBD:
205 		printf("PowerBook keyboard (ISO layout)\n");
206 		break;
207 	case ADB_ADJKPD:
208 		printf("adjustable keypad\n");
209 		break;
210 	case ADB_ADJKBD:
211 		printf("adjustable keyboard\n");
212 		break;
213 	case ADB_ADJISOKBD:
214 		printf("adjustable keyboard (ISO layout)\n");
215 		break;
216 	case ADB_ADJJAPKBD:
217 		printf("adjustable keyboard (Japanese layout)\n");
218 		break;
219 	case ADB_PBEXTISOKBD:
220 		printf("PowerBook extended keyboard (ISO layout)\n");
221 		break;
222 	case ADB_PBEXTJAPKBD:
223 		printf("PowerBook extended keyboard (Japanese layout)\n");
224 		break;
225 	case ADB_JPKBDII:
226 		printf("keyboard II (Japanese layout)\n");
227 		break;
228 	case ADB_PBEXTKBD:
229 		printf("PowerBook extended keyboard\n");
230 		break;
231 	case ADB_DESIGNKBD:
232 		printf("extended keyboard\n");
233 #ifdef notyet
234 		blinkleds(sc);
235 #endif
236 		break;
237 	case ADB_PBJPKBD:
238 		printf("PowerBook keyboard (Japanese layout)\n");
239 		break;
240 	default:
241 		printf("mapped device (%d)\n", sc->handler_id);
242 		break;
243 	}
244 	error = SetADBInfo(&adbinfo, sc->adbaddr);
245 #ifdef ADB_DEBUG
246 	if (adb_debug)
247 		printf("akbd: returned %d from SetADBInfo\n", error);
248 #endif
249 
250 #if NWSKBD > 0
251 	a.console = akbd_is_console();
252 	a.keymap = &akbd_keymapdata;
253 	a.accessops = &akbd_accessops;
254 	a.accesscookie = sc;
255 
256 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
257 #endif
258 }
259 
260 
261 /*
262  * Handle putting the keyboard data received from the ADB into
263  * an ADB event record.
264  */
265 void
266 kbd_adbcomplete(buffer, data_area, adb_command)
267 	caddr_t buffer;
268 	caddr_t data_area;
269 	int adb_command;
270 {
271 	adb_event_t event;
272 	struct akbd_softc *ksc;
273 	int adbaddr;
274 #ifdef ADB_DEBUG
275 	int i;
276 
277 	if (adb_debug)
278 		printf("adb: transaction completion\n");
279 #endif
280 
281 	adbaddr = ADB_CMDADDR(adb_command);
282 	ksc = (struct akbd_softc *)data_area;
283 
284 	event.addr = adbaddr;
285 	event.hand_id = ksc->handler_id;
286 	event.def_addr = ksc->origaddr;
287 	event.byte_count = buffer[0];
288 	memcpy(event.bytes, buffer + 1, event.byte_count);
289 
290 #ifdef ADB_DEBUG
291 	if (adb_debug) {
292 		printf("akbd: from %d at %d (org %d) %d:", event.addr,
293 		    event.hand_id, event.def_addr, buffer[0]);
294 		for (i = 1; i <= buffer[0]; i++)
295 			printf(" %x", buffer[i]);
296 		printf("\n");
297 	}
298 #endif
299 
300 	microtime(&event.timestamp);
301 
302 	kbd_processevent(&event, ksc);
303 }
304 
305 /*
306  * Given a keyboard ADB event, record the keycodes and call the key
307  * repeat handler, optionally passing the event through the mouse
308  * button emulation handler first.
309  */
310 static void
311 kbd_processevent(event, ksc)
312         adb_event_t *event;
313         struct akbd_softc *ksc;
314 {
315         adb_event_t new_event;
316 
317         new_event = *event;
318 	new_event.u.k.key = event->bytes[0];
319 	new_event.bytes[1] = 0xff;
320 #if NAED > 0
321 	if (adb_polling || !aed_input(&new_event))
322 #endif
323 #if NWSKBD > 0
324 		kbd_intr(&new_event);
325 #else
326 		/* do nothing */ ;
327 #endif
328 	if (event->bytes[1] != 0xff) {
329 		new_event.u.k.key = event->bytes[1];
330 		new_event.bytes[0] = event->bytes[1];
331 		new_event.bytes[1] = 0xff;
332 #if NAED > 0
333 		if (adb_polling || !aed_input(&new_event))
334 #endif
335 #if NWSKBD > 0
336 			kbd_intr(&new_event);
337 #else
338 			/* do nothing */ ;
339 #endif
340 	}
341 
342 }
343 
344 #ifdef notyet
345 /*
346  * Get the actual hardware LED state and convert it to softc format.
347  */
348 static u_char
349 getleds(addr)
350 	int	addr;
351 {
352 	short cmd;
353 	u_char buffer[9], leds;
354 
355 	leds = 0x00;	/* all off */
356 	buffer[0] = 0;
357 	kbd_done = 0;
358 
359 	cmd = ADBTALK(addr, 2);
360 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
361 	while (!kbd_done)
362 		/* busy-wait until done */ ;
363 
364 	if (buffer[0] > 0)
365 		leds = ~(buffer[2]) & 0x07;
366 
367 	return (leds);
368 }
369 
370 /*
371  * Set the keyboard LED's.
372  *
373  * Automatically translates from ioctl/softc format to the
374  * actual keyboard register format
375  */
376 static int
377 setleds(ksc, leds)
378 	struct akbd_softc *ksc;
379 	u_char	leds;
380 {
381 	int addr;
382 	short cmd;
383 	u_char buffer[9];
384 
385 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
386 		return (0);
387 
388 	addr = ksc->adbaddr;
389 	buffer[0] = 0;
390 	kbd_done = 0;
391 
392 	cmd = ADBTALK(addr, 2);
393 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
394 	while (!kbd_done)
395 		/* busy-wait until done */ ;
396 
397 	if (buffer[0] == 0)
398 		return (EIO);
399 
400 	leds = ~leds & 0x07;
401 	buffer[2] &= 0xf8;
402 	buffer[2] |= leds;
403 
404 	cmd = ADBLISTEN(addr, 2);
405 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
406 	while (!kbd_done)
407 		/* busy-wait until done */ ;
408 
409 	/* talk R2 */
410 	cmd = ADBTALK(addr, 2);
411 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
412 	while (!kbd_done)
413 		/* busy-wait until done */ ;
414 
415 	if (buffer[0] == 0)
416 		return (EIO);
417 
418 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
419 
420 	if ((buffer[2] & 0xf8) != leds)
421 		return (EIO);
422 	else
423 		return (0);
424 }
425 
426 /*
427  * Toggle all of the LED's on and off, just for show.
428  */
429 static void
430 blinkleds(ksc)
431 	struct akbd_softc *ksc;
432 {
433 	int addr, i;
434 	u_char blinkleds, origleds;
435 
436 	addr = ksc->adbaddr;
437 	origleds = getleds(addr);
438 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
439 
440 	(void)setleds(ksc, blinkleds);
441 
442 	for (i = 0; i < 10000; i++)
443 		delay(50);
444 
445 	/* make sure that we restore the LED settings */
446 	i = 10;
447 	do {
448 		(void)setleds(ksc, (u_char)0x00);
449 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
450 
451 	return;
452 }
453 #endif
454 
455 int
456 akbd_is_console()
457 {
458 	extern struct mac68k_machine_S mac68k_machine;
459 
460 	return ((mac68k_machine.serial_console & 0x03) == 0);
461 }
462 
463 int
464 akbd_enable(v, on)
465 	void *v;
466 	int on;
467 {
468 	return 0;
469 }
470 
471 void
472 akbd_set_leds(v, on)
473 	void *v;
474 	int on;
475 {
476 }
477 
478 int
479 akbd_ioctl(v, cmd, data, flag, p)
480 	void *v;
481 	u_long cmd;
482 	caddr_t data;
483 	int flag;
484 	struct proc *p;
485 {
486 	switch (cmd) {
487 
488 	case WSKBDIO_GTYPE:
489 		*(int *)data = 0;		/* XXX */
490 		return 0;
491 	case WSKBDIO_SETLEDS:
492 		return 0;
493 	case WSKBDIO_GETLEDS:
494 		*(int *)data = 0;
495 		return 0;
496 	case WSKBDIO_BELL:
497 	case WSKBDIO_COMPLEXBELL:
498 #define d ((struct wskbd_bell_data *)data)
499 		mac68k_ring_bell(d->pitch, d->period * HZ / 1000, 100);
500 		/* comes in as msec, goes out as ticks; volume ignored */
501 #undef d
502 		return (0);
503 	}
504 	/* kbdioctl(...); */
505 
506 	return -1;
507 }
508 
509 static int polledkey;
510 extern int adb_polling;
511 
512 int
513 kbd_intr(event)
514 	adb_event_t *event;
515 {
516 	int key, press, val;
517 	int type;
518 
519 	struct akbd_softc *sc = akbd_cd.cd_devs[0];
520 
521 	key = event->u.k.key;
522 	press = ADBK_PRESS(key);
523 	val = ADBK_KEYVAL(key);
524 
525 	type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
526 
527 	if (key == 185) {	/* Caps Lock released */
528 		type = WSCONS_EVENT_KEY_DOWN;
529 		wskbd_input(sc->sc_wskbddev, type, val);
530 		type = WSCONS_EVENT_KEY_UP;
531 	}
532 
533 	if (adb_polling)
534 		polledkey = key;
535 	else
536 		wskbd_input(sc->sc_wskbddev, type, val);
537 
538 	return 0;
539 }
540 
541 int
542 akbd_cnattach()
543 {
544 	if (!akbd_is_console())
545 		return -1;
546 
547 	wskbd_cnattach(&akbd_consops, NULL, &akbd_keymapdata);
548 
549 	return 0;
550 }
551 
552 void
553 akbd_cngetc(v, type, data)
554 	void *v;
555 	u_int *type;
556 	int *data;
557 {
558 	int intbits, key, press, val;
559 	int s;
560 
561 	s = splhigh();
562 
563 	polledkey = -1;
564 	adb_polling = 1;
565 
566 	while (polledkey == -1) {
567 		intbits = via_reg(VIA1, vIFR);
568 
569 		if (intbits & V1IF_ADBRDY) {
570 			mrg_adbintr();
571 			via_reg(VIA1, vIFR) = V1IF_ADBRDY;
572 		}
573 		if (intbits & 0x10) {
574 			mrg_pmintr();
575 			via_reg(VIA1, vIFR) = 0x10;
576 		}
577 	}
578 
579 	adb_polling = 0;
580 	splx(s);
581 
582 	key = polledkey;
583 	press = ADBK_PRESS(key);
584 	val = ADBK_KEYVAL(key);
585 
586 	*data = val;
587 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
588 }
589 
590 void
591 akbd_cnpollc(v, on)
592 	void *v;
593 	int on;
594 {
595 }
596