xref: /netbsd-src/sys/arch/mac68k/dev/akbd.c (revision 89c5a767f8fc7a4633b2d409966e2becbb98ff92)
1 /*	$NetBSD: akbd.c,v 1.6 2000/02/17 02:07:07 ender 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 = (((sc->adbaddr << 4) & 0xf0) | 0x0d ); /* talk R1 */
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_command & 0xf0) >> 4;
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 	/* talk R2 */
360 	cmd = ((addr & 0xf) << 4) | 0x0c | 0x02;
361 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
362 	while (!kbd_done)
363 		/* busy-wait until done */ ;
364 
365 	if (buffer[0] > 0)
366 		leds = ~(buffer[2]) & 0x07;
367 
368 	return (leds);
369 }
370 
371 /*
372  * Set the keyboard LED's.
373  *
374  * Automatically translates from ioctl/softc format to the
375  * actual keyboard register format
376  */
377 static int
378 setleds(ksc, leds)
379 	struct akbd_softc *ksc;
380 	u_char	leds;
381 {
382 	int addr;
383 	short cmd;
384 	u_char buffer[9];
385 
386 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
387 		return (0);
388 
389 	addr = ksc->adbaddr;
390 	buffer[0] = 0;
391 	kbd_done = 0;
392 
393 	/* talk R2 */
394 	cmd = ((addr & 0xf) << 4) | 0x0c | 0x02;
395 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
396 	while (!kbd_done)
397 		/* busy-wait until done */ ;
398 
399 	if (buffer[0] == 0)
400 		return (EIO);
401 
402 	leds = ~leds & 0x07;
403 	buffer[2] &= 0xf8;
404 	buffer[2] |= leds;
405 
406 	/* listen R2 */
407 	cmd = ((addr & 0xf) << 4) | 0x08 | 0x02;
408 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
409 	while (!kbd_done)
410 		/* busy-wait until done */ ;
411 
412 	/* talk R2 */
413 	cmd = ((addr & 0xf) << 4) | 0x0c | 0x02;
414 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
415 	while (!kbd_done)
416 		/* busy-wait until done */ ;
417 
418 	if (buffer[0] == 0)
419 		return (EIO);
420 
421 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
422 
423 	if ((buffer[2] & 0xf8) != leds)
424 		return (EIO);
425 	else
426 		return (0);
427 }
428 
429 /*
430  * Toggle all of the LED's on and off, just for show.
431  */
432 static void
433 blinkleds(ksc)
434 	struct akbd_softc *ksc;
435 {
436 	int addr, i;
437 	u_char blinkleds, origleds;
438 
439 	addr = ksc->adbaddr;
440 	origleds = getleds(addr);
441 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
442 
443 	(void)setleds(ksc, blinkleds);
444 
445 	for (i = 0; i < 10000; i++)
446 		delay(50);
447 
448 	/* make sure that we restore the LED settings */
449 	i = 10;
450 	do {
451 		(void)setleds(ksc, (u_char)0x00);
452 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
453 
454 	return;
455 }
456 #endif
457 
458 int
459 akbd_is_console()
460 {
461 	extern struct mac68k_machine_S mac68k_machine;
462 
463 	return ((mac68k_machine.serial_console & 0x03) == 0);
464 }
465 
466 int
467 akbd_enable(v, on)
468 	void *v;
469 	int on;
470 {
471 	return 0;
472 }
473 
474 void
475 akbd_set_leds(v, on)
476 	void *v;
477 	int on;
478 {
479 }
480 
481 int
482 akbd_ioctl(v, cmd, data, flag, p)
483 	void *v;
484 	u_long cmd;
485 	caddr_t data;
486 	int flag;
487 	struct proc *p;
488 {
489 	switch (cmd) {
490 
491 	case WSKBDIO_GTYPE:
492 		*(int *)data = 0;		/* XXX */
493 		return 0;
494 	case WSKBDIO_SETLEDS:
495 		return 0;
496 	case WSKBDIO_GETLEDS:
497 		*(int *)data = 0;
498 		return 0;
499 	case WSKBDIO_BELL:
500 	case WSKBDIO_COMPLEXBELL:
501 #define d ((struct wskbd_bell_data *)data)
502 		mac68k_ring_bell(d->pitch, d->period * HZ / 1000, 100);
503 		/* comes in as msec, goes out as ticks; volume ignored */
504 #undef d
505 		return (0);
506 	}
507 	/* kbdioctl(...); */
508 
509 	return -1;
510 }
511 
512 static int polledkey;
513 extern int adb_polling;
514 
515 int
516 kbd_intr(event)
517 	adb_event_t *event;
518 {
519 	int key, press, val;
520 	int type;
521 
522 	struct akbd_softc *sc = akbd_cd.cd_devs[0];
523 
524 	key = event->u.k.key;
525 	press = ADBK_PRESS(key);
526 	val = ADBK_KEYVAL(key);
527 
528 	type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
529 
530 	if (key == 185) {	/* Caps Lock released */
531 		type = WSCONS_EVENT_KEY_DOWN;
532 		wskbd_input(sc->sc_wskbddev, type, val);
533 		type = WSCONS_EVENT_KEY_UP;
534 	}
535 
536 	if (adb_polling)
537 		polledkey = key;
538 	else
539 		wskbd_input(sc->sc_wskbddev, type, val);
540 
541 	return 0;
542 }
543 
544 int
545 akbd_cnattach()
546 {
547 	if (!akbd_is_console())
548 		return -1;
549 
550 	wskbd_cnattach(&akbd_consops, NULL, &akbd_keymapdata);
551 
552 	return 0;
553 }
554 
555 void
556 akbd_cngetc(v, type, data)
557 	void *v;
558 	u_int *type;
559 	int *data;
560 {
561 	int intbits, key, press, val;
562 	int s;
563 
564 	s = splhigh();
565 
566 	polledkey = -1;
567 	adb_polling = 1;
568 
569 	while (polledkey == -1) {
570 		intbits = via_reg(VIA1, vIFR);
571 
572 		if (intbits & V1IF_ADBRDY) {
573 			mrg_adbintr();
574 			via_reg(VIA1, vIFR) = V1IF_ADBRDY;
575 		}
576 		if (intbits & 0x10) {
577 			mrg_pmintr();
578 			via_reg(VIA1, vIFR) = 0x10;
579 		}
580 	}
581 
582 	adb_polling = 0;
583 	splx(s);
584 
585 	key = polledkey;
586 	press = ADBK_PRESS(key);
587 	val = ADBK_KEYVAL(key);
588 
589 	*data = val;
590 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
591 }
592 
593 void
594 akbd_cnpollc(v, on)
595 	void *v;
596 	int on;
597 {
598 }
599