1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
|
/* $OpenBSD: comkbd_ebus.c,v 1.11 2003/02/17 01:29:20 henric Exp $ */
/*
* Copyright (c) 2002 Jason L. Wright (jason@thought.net)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jason L. Wright
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/tty.h>
#include <sys/time.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wskbdvar.h>
#include <dev/wscons/wsksymdef.h>
#include <dev/wscons/wsksymvar.h>
#include <dev/sun/sunkbdreg.h>
#include <dev/sun/sunkbdvar.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/ns16550reg.h>
#include <dev/cons.h>
#define COMK_RX_RING 64
#define COMK_TX_RING 64
struct comkbd_softc {
struct device sc_dv; /* us, as a device */
bus_space_tag_t sc_iot; /* bus tag */
bus_space_handle_t sc_ioh; /* bus handle */
void *sc_ih, *sc_si; /* interrupt vectors */
u_int sc_rxcnt;
u_int8_t sc_rxbuf[COMK_RX_RING];
u_int8_t *sc_rxbeg, *sc_rxend, *sc_rxget, *sc_rxput;
u_int sc_txcnt;
u_int8_t sc_txbuf[COMK_TX_RING];
u_int8_t *sc_txbeg, *sc_txend, *sc_txget, *sc_txput;
u_int8_t sc_ier;
struct device *sc_wskbddev; /* child wskbd */
int sc_leds;
u_int8_t sc_kbdstate;
int sc_layout;
int sc_bellactive, sc_belltimeout;
struct timeout sc_bellto;
};
#define COM_WRITE(sc,r,v) \
bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (r), (v))
#define COM_READ(sc,r) \
bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (r))
int comkbd_match(struct device *, void *, void *);
void comkbd_attach(struct device *, struct device *, void *);
int comkbd_iskbd(int);
/* wskbd glue */
void comkbd_cnpollc(void *, int);
void comkbd_cngetc(void *, u_int *, int *);
int comkbd_enable(void *, int);
void comkbd_setleds(void *, int);
int comkbd_getleds(struct comkbd_softc *);
int comkbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
/* internals */
void comkbd_enqueue(struct comkbd_softc *, u_int8_t *, u_int);
void comkbd_raw(struct comkbd_softc *, u_int8_t);
void comkbd_init(struct comkbd_softc *);
void comkbd_putc(struct comkbd_softc *, u_int8_t);
int comkbd_intr(void *);
void comkbd_soft(void *);
void comkbd_bellstop(void *);
void comkbd_bell(struct comkbd_softc *, u_int, u_int, u_int);
struct cfattach comkbd_ca = {
sizeof(struct comkbd_softc), comkbd_match, comkbd_attach
};
struct cfdriver comkbd_cd = {
NULL, "comkbd", DV_DULL
};
char *comkbd_names[] = {
"su",
"su_pnp",
NULL
};
struct wskbd_accessops comkbd_accessops = {
comkbd_enable,
comkbd_setleds,
comkbd_ioctl
};
struct wskbd_consops comkbd_consops = {
comkbd_cngetc,
comkbd_cnpollc
};
int
comkbd_iskbd(node)
int node;
{
if (OF_getproplen(node, "keyboard") == 0)
return (10);
return (0);
}
int
comkbd_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct ebus_attach_args *ea = aux;
int i;
for (i = 0; comkbd_names[i]; i++)
if (strcmp(ea->ea_name, comkbd_names[i]) == 0)
return (comkbd_iskbd(ea->ea_node));
if (strcmp(ea->ea_name, "serial") == 0) {
char compat[80];
if ((i = OF_getproplen(ea->ea_node, "compatible")) &&
OF_getprop(ea->ea_node, "compatible", compat,
sizeof(compat)) == i) {
if (strcmp(compat, "su16550") == 0 ||
strcmp(compat, "su") == 0)
return (comkbd_iskbd(ea->ea_node));
}
}
return (0);
}
void
comkbd_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct comkbd_softc *sc = (void *)self;
struct ebus_attach_args *ea = aux;
struct wskbddev_attach_args a;
int console;
timeout_set(&sc->sc_bellto, comkbd_bellstop, sc);
sc->sc_iot = ea->ea_memtag;
sc->sc_rxget = sc->sc_rxput = sc->sc_rxbeg = sc->sc_rxbuf;
sc->sc_rxend = sc->sc_rxbuf + COMK_RX_RING;
sc->sc_rxcnt = 0;
sc->sc_txget = sc->sc_txput = sc->sc_txbeg = sc->sc_txbuf;
sc->sc_txend = sc->sc_txbuf + COMK_TX_RING;
sc->sc_txcnt = 0;
console = (ea->ea_node == OF_instance_to_package(OF_stdin()));
sc->sc_si = softintr_establish(IPL_TTY, comkbd_soft, sc);
if (sc->sc_si == NULL) {
printf(": can't get soft intr\n");
return;
}
/* Use prom address if available, otherwise map it. */
if (ea->ea_nvaddrs && bus_space_map(ea->ea_memtag, ea->ea_vaddrs[0], 0,
BUS_SPACE_MAP_PROMADDRESS, &sc->sc_ioh) == 0) {
sc->sc_iot = ea->ea_memtag;
} else if (ebus_bus_map(ea->ea_memtag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]),
ea->ea_regs[0].size, 0, 0, &sc->sc_ioh) == 0) {
sc->sc_iot = ea->ea_memtag;
} else if (ebus_bus_map(ea->ea_iotag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]),
ea->ea_regs[0].size, 0, 0, &sc->sc_ioh) == 0) {
sc->sc_iot = ea->ea_iotag;
} else {
printf(": can't map register space\n");
return;
}
sc->sc_ih = bus_intr_establish(sc->sc_iot,
ea->ea_intrs[0], IPL_TTY, 0, comkbd_intr, sc);
if (sc->sc_ih == NULL) {
printf(": can't get hard intr\n");
return;
}
if (console) {
comkbd_init(sc);
cn_tab->cn_dev = makedev(77, sc->sc_dv.dv_unit); /* XXX */
cn_tab->cn_pollc = wskbd_cnpollc;
cn_tab->cn_getc = wskbd_cngetc;
if (ISTYPE5(sc->sc_layout)) {
wskbd_cnattach(&comkbd_consops, sc,
&sunkbd5_keymapdata);
} else {
wskbd_cnattach(&comkbd_consops, sc,
&sunkbd_keymapdata);
}
sc->sc_ier = IER_ETXRDY | IER_ERXRDY;
COM_WRITE(sc, com_ier, sc->sc_ier);
COM_READ(sc, com_iir);
COM_WRITE(sc, com_mcr, MCR_IENABLE | MCR_DTR | MCR_RTS);
} else
printf("\n");
a.console = console;
if (ISTYPE5(sc->sc_layout)) {
a.keymap = &sunkbd5_keymapdata;
#ifndef SUNKBD5_LAYOUT
if (sc->sc_layout < MAXSUNLAYOUT &&
sunkbd_layouts[sc->sc_layout] != -1)
sunkbd5_keymapdata.layout =
sunkbd_layouts[sc->sc_layout];
#endif
} else {
a.keymap = &sunkbd_keymapdata;
#ifndef SUNKBD_LAYOUT
if (sc->sc_layout < MAXSUNLAYOUT &&
sunkbd_layouts[sc->sc_layout] != -1)
sunkbd_keymapdata.layout =
sunkbd_layouts[sc->sc_layout];
#endif
}
a.accessops = &comkbd_accessops;
a.accesscookie = sc;
sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
}
void
comkbd_cnpollc(vsc, on)
void *vsc;
int on;
{
}
void
comkbd_cngetc(v, type, data)
void *v;
u_int *type;
int *data;
{
struct comkbd_softc *sc = v;
int s;
u_int8_t c;
s = splhigh();
while (1) {
if (COM_READ(sc, com_lsr) & LSR_RXRDY)
break;
}
c = COM_READ(sc, com_data);
COM_READ(sc, com_iir);
splx(s);
switch (c) {
case SKBD_RSP_IDLE:
*type = WSCONS_EVENT_ALL_KEYS_UP;
*data = 0;
break;
default:
*type = (c & 0x80) ?
WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
*data = c & 0x7f;
break;
}
}
int
comkbd_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct comkbd_softc *sc = v;
int *d_int = (int *)data;
struct wskbd_bell_data *d_bell = (struct wskbd_bell_data *)data;
switch (cmd) {
case WSKBDIO_GTYPE:
if (ISTYPE5(sc->sc_layout)) {
*d_int = WSKBD_TYPE_SUN5;
} else {
*d_int = WSKBD_TYPE_SUN;
}
return (0);
case WSKBDIO_SETLEDS:
comkbd_setleds(v, *d_int);
return (0);
case WSKBDIO_GETLEDS:
*d_int = comkbd_getleds(sc);
return (0);
case WSKBDIO_COMPLEXBELL:
comkbd_bell(sc, d_bell->period,
d_bell->pitch, d_bell->volume);
return (0);
}
return (-1);
}
int
comkbd_enable(vsc, on)
void *vsc;
int on;
{
return (0);
}
int
comkbd_getleds(sc)
struct comkbd_softc *sc;
{
return (sc->sc_leds);
}
void
comkbd_setleds(v, wled)
void *v;
int wled;
{
struct comkbd_softc *sc = v;
u_int8_t sled = 0;
u_int8_t cmd[2];
sc->sc_leds = wled;
if (wled & WSKBD_LED_CAPS)
sled |= SKBD_LED_CAPSLOCK;
if (wled & WSKBD_LED_NUM)
sled |= SKBD_LED_NUMLOCK;
if (wled & WSKBD_LED_SCROLL)
sled |= SKBD_LED_SCROLLLOCK;
if (wled & WSKBD_LED_COMPOSE)
sled |= SKBD_LED_COMPOSE;
cmd[0] = SKBD_CMD_SETLED;
cmd[1] = sled;
comkbd_enqueue(sc, cmd, sizeof(cmd));
}
void
comkbd_putc(sc, c)
struct comkbd_softc *sc;
u_int8_t c;
{
int s, timo;
s = splhigh();
timo = 150000;
while (--timo) {
if (COM_READ(sc, com_lsr) & LSR_TXRDY)
break;
}
COM_WRITE(sc, com_data, c);
bus_space_barrier(sc->sc_iot, sc->sc_ioh, 0, COM_NPORTS,
BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);
timo = 150000;
while (--timo) {
if (COM_READ(sc, com_lsr) & LSR_TXRDY)
break;
}
splx(s);
}
void
comkbd_enqueue(sc, buf, buflen)
struct comkbd_softc *sc;
u_int8_t *buf;
u_int buflen;
{
int s;
u_int i;
s = spltty();
/* See if there is room... */
if ((sc->sc_txcnt + buflen) > COMK_TX_RING)
return;
for (i = 0; i < buflen; i++) {
*sc->sc_txget = *buf;
buf++;
sc->sc_txcnt++;
sc->sc_txget++;
if (sc->sc_txget == sc->sc_txend)
sc->sc_txget = sc->sc_txbeg;
}
comkbd_soft(sc);
splx(s);
}
void
comkbd_soft(vsc)
void *vsc;
{
struct comkbd_softc *sc = vsc;
u_int type;
int value;
u_int8_t c;
while (sc->sc_rxcnt) {
c = *sc->sc_rxget;
if (++sc->sc_rxget == sc->sc_rxend)
sc->sc_rxget = sc->sc_rxbeg;
sc->sc_rxcnt--;
switch (c) {
case SKBD_RSP_IDLE:
type = WSCONS_EVENT_ALL_KEYS_UP;
value = 0;
break;
default:
type = (c & 0x80) ?
WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
value = c & 0x7f;
break;
}
wskbd_input(sc->sc_wskbddev, type, value);
}
if (sc->sc_txcnt) {
c = sc->sc_ier | IER_ETXRDY;
if (c != sc->sc_ier) {
COM_WRITE(sc, com_ier, c);
sc->sc_ier = c;
}
if (COM_READ(sc, com_lsr) & LSR_TXRDY) {
sc->sc_txcnt--;
COM_WRITE(sc, com_data, *sc->sc_txput);
if (++sc->sc_txput == sc->sc_txend)
sc->sc_txput = sc->sc_txbeg;
}
}
}
int
comkbd_intr(vsc)
void *vsc;
{
struct comkbd_softc *sc = vsc;
u_int8_t iir, lsr, data;
int needsoft = 0;
/* Nothing to do */
iir = COM_READ(sc, com_iir);
if (iir & IIR_NOPEND)
return (0);
for (;;) {
lsr = COM_READ(sc, com_lsr);
if (lsr & LSR_RXRDY) {
needsoft = 1;
do {
data = COM_READ(sc, com_data);
if (sc->sc_rxcnt != COMK_RX_RING) {
*sc->sc_rxput = data;
if (++sc->sc_rxput == sc->sc_rxend)
sc->sc_rxput = sc->sc_rxbeg;
sc->sc_rxcnt++;
}
lsr = COM_READ(sc, com_lsr);
} while (lsr & LSR_RXRDY);
}
if (lsr & LSR_TXRDY) {
if (sc->sc_txcnt == 0) {
/* Nothing further to send */
sc->sc_ier &= ~IER_ETXRDY;
COM_WRITE(sc, com_ier, sc->sc_ier);
} else
needsoft = 1;
}
iir = COM_READ(sc, com_iir);
if (iir & IIR_NOPEND)
break;
}
if (needsoft)
softintr_schedule(sc->sc_si);
return (1);
}
void
comkbd_init(sc)
struct comkbd_softc *sc;
{
u_int8_t stat, c;
int tries;
for (tries = 5; tries != 0; tries--) {
int ltries;
sc->sc_leds = 0;
sc->sc_layout = -1;
/* Send reset request */
comkbd_putc(sc, SKBD_CMD_RESET);
ltries = 1000;
while (--ltries > 0) {
stat = COM_READ(sc,com_lsr);
if (stat & LSR_RXRDY) {
c = COM_READ(sc, com_data);
comkbd_raw(sc, c);
if (sc->sc_kbdstate == SKBD_STATE_RESET)
break;
}
DELAY(1000);
}
if (ltries == 0)
continue;
/* Wait for reset to finish. */
ltries = 1000;
while (--ltries > 0) {
stat = COM_READ(sc, com_lsr);
if (stat & LSR_RXRDY) {
c = COM_READ(sc, com_data);
comkbd_raw(sc, c);
if (sc->sc_kbdstate == SKBD_STATE_GETKEY)
break;
}
DELAY(1000);
}
if (ltries == 0)
continue;
/* Send layout request */
comkbd_putc(sc, SKBD_CMD_LAYOUT);
ltries = 1000;
while (--ltries > 0) {
stat = COM_READ(sc, com_lsr);
if (stat & LSR_RXRDY) {
c = COM_READ(sc, com_data);
comkbd_raw(sc, c);
if (sc->sc_layout != -1)
break;
}
DELAY(1000);
}
if (ltries != 0)
break;
}
if (tries == 0)
printf(": reset timeout\n");
else
printf(": layout %d\n", sc->sc_layout);
}
void
comkbd_raw(sc, c)
struct comkbd_softc *sc;
u_int8_t c;
{
int claimed = 0;
if (sc->sc_kbdstate == SKBD_STATE_LAYOUT) {
sc->sc_kbdstate = SKBD_STATE_GETKEY;
sc->sc_layout = c;
return;
}
switch (c) {
case SKBD_RSP_RESET:
sc->sc_kbdstate = SKBD_STATE_RESET;
claimed = 1;
break;
case SKBD_RSP_LAYOUT:
sc->sc_kbdstate = SKBD_STATE_LAYOUT;
claimed = 1;
break;
case SKBD_RSP_IDLE:
sc->sc_kbdstate = SKBD_STATE_GETKEY;
claimed = 1;
}
if (claimed)
return;
switch (sc->sc_kbdstate) {
case SKBD_STATE_RESET:
sc->sc_kbdstate = SKBD_STATE_GETKEY;
if (c != SKBD_RSP_RESET_OK)
printf("%s: reset1 invalid code 0x%02x\n",
sc->sc_dv.dv_xname, c);
break;
case SKBD_STATE_GETKEY:
break;
}
}
void
comkbd_bell(sc, period, pitch, volume)
struct comkbd_softc *sc;
u_int period, pitch, volume;
{
int ticks, s;
u_int8_t c = SKBD_CMD_BELLON;
ticks = (period * hz)/1000;
if (ticks <= 0)
ticks = 1;
s = spltty();
if (sc->sc_bellactive) {
if (sc->sc_belltimeout == 0)
timeout_del(&sc->sc_bellto);
}
if (pitch == 0 || period == 0) {
comkbd_bellstop(sc);
splx(s);
return;
}
if (!sc->sc_bellactive) {
sc->sc_bellactive = 1;
sc->sc_belltimeout = 1;
comkbd_enqueue(sc, &c, 1);
timeout_add(&sc->sc_bellto, ticks);
}
splx(s);
}
void
comkbd_bellstop(v)
void *v;
{
struct comkbd_softc *sc = v;
int s;
u_int8_t c;
s = spltty();
sc->sc_belltimeout = 0;
c = SKBD_CMD_BELLOFF;
comkbd_enqueue(sc, &c, 1);
sc->sc_bellactive = 0;
splx(s);
}
|