FreeBSD/Linux Kernel Cross Reference
sys/dev/adb/adb_kbd.c
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (C) 2008 Nathan Whitehorn
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30 #include <sys/cdefs.h>
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/lock.h>
34 #include <sys/module.h>
35 #include <sys/mutex.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38 #include <sys/kbio.h>
39 #include <sys/condvar.h>
40 #include <sys/callout.h>
41 #include <sys/kernel.h>
42 #include <sys/sysctl.h>
43
44 #include <machine/bus.h>
45
46 #include "opt_kbd.h"
47 #include <dev/kbd/kbdreg.h>
48 #include <dev/kbd/kbdtables.h>
49 #include <dev/ofw/openfirm.h>
50 #include <dev/ofw/ofw_bus.h>
51
52 #include <vm/vm.h>
53 #include <vm/pmap.h>
54
55 #include "adb.h"
56
57 #define KBD_DRIVER_NAME "akbd"
58
59 #define AKBD_EMULATE_ATKBD 1
60
61 static int adb_kbd_probe(device_t dev);
62 static int adb_kbd_attach(device_t dev);
63 static int adb_kbd_detach(device_t dev);
64 static void akbd_repeat(void *xsc);
65 static int adb_fn_keys(SYSCTL_HANDLER_ARGS);
66
67 static u_int adb_kbd_receive_packet(device_t dev, u_char status,
68 u_char command, u_char reg, int len, u_char *data);
69
70 struct adb_kbd_softc {
71 keyboard_t sc_kbd;
72
73 device_t sc_dev;
74 struct mtx sc_mutex;
75 struct cv sc_cv;
76
77 int sc_mode;
78 int sc_state;
79
80 int have_led_control;
81
82 uint8_t buffer[8];
83 #ifdef AKBD_EMULATE_ATKBD
84 uint8_t at_buffered_char[2];
85 #endif
86 volatile int buffers;
87
88 struct callout sc_repeater;
89 int sc_repeatstart;
90 int sc_repeatcontinue;
91 uint8_t last_press;
92 };
93
94 static device_method_t adb_kbd_methods[] = {
95 /* Device interface */
96 DEVMETHOD(device_probe, adb_kbd_probe),
97 DEVMETHOD(device_attach, adb_kbd_attach),
98 DEVMETHOD(device_detach, adb_kbd_detach),
99 DEVMETHOD(device_shutdown, bus_generic_shutdown),
100 DEVMETHOD(device_suspend, bus_generic_suspend),
101 DEVMETHOD(device_resume, bus_generic_resume),
102
103 /* ADB interface */
104 DEVMETHOD(adb_receive_packet, adb_kbd_receive_packet),
105 { 0, 0 }
106 };
107
108 static driver_t adb_kbd_driver = {
109 "akbd",
110 adb_kbd_methods,
111 sizeof(struct adb_kbd_softc),
112 };
113
114 DRIVER_MODULE(akbd, adb, adb_kbd_driver, 0, 0);
115
116 #ifdef AKBD_EMULATE_ATKBD
117
118 #define SCAN_PRESS 0x000
119 #define SCAN_RELEASE 0x080
120 #define SCAN_PREFIX_E0 0x100
121 #define SCAN_PREFIX_E1 0x200
122 #define SCAN_PREFIX_CTL 0x400
123 #define SCAN_PREFIX_SHIFT 0x800
124 #define SCAN_PREFIX (SCAN_PREFIX_E0 | SCAN_PREFIX_E1 | \
125 SCAN_PREFIX_CTL | SCAN_PREFIX_SHIFT)
126
127 static const uint8_t adb_to_at_scancode_map[128] = { 30, 31, 32, 33, 35, 34,
128 44, 45, 46, 47, 0, 48, 16, 17, 18, 19, 21, 20, 2, 3, 4, 5, 7, 6, 13,
129 10, 8, 12, 9, 11, 27, 24, 22, 26, 23, 25, 28, 38, 36, 40, 37, 39, 43,
130 51, 53, 49, 50, 52, 15, 57, 41, 14, 0, 1, 29, 0, 42, 58, 56, 97, 98,
131 100, 95, 0, 0, 83, 0, 55, 0, 78, 0, 69, 0, 0, 0, 91, 89, 0, 74, 13, 0,
132 0, 82, 79, 80, 81, 75, 76, 77, 71, 0, 72, 73, 0, 0, 0, 63, 64, 65, 61,
133 66, 67, 0, 87, 0, 105, 0, 70, 0, 68, 0, 88, 0, 107, 102, 94, 96, 103,
134 62, 99, 60, 101, 59, 54, 93, 90, 0, 0 };
135
136 static int
137 keycode2scancode(int keycode, int shift, int up)
138 {
139 static const int scan[] = {
140 /* KP enter, right ctrl, KP divide */
141 0x1c , 0x1d , 0x35 ,
142 /* print screen */
143 0x37 | SCAN_PREFIX_SHIFT,
144 /* right alt, home, up, page up, left, right, end */
145 0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
146 /* down, page down, insert, delete */
147 0x50, 0x51, 0x52, 0x53,
148 /* pause/break (see also below) */
149 0x46,
150 /*
151 * MS: left window, right window, menu
152 * also Sun: left meta, right meta, compose
153 */
154 0x5b, 0x5c, 0x5d,
155 /* Sun type 6 USB */
156 /* help, stop, again, props, undo, front, copy */
157 0x68, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63,
158 /* open, paste, find, cut, audiomute, audiolower, audioraise */
159 0x64, 0x65, 0x66, 0x67, 0x25, 0x1f, 0x1e,
160 /* power */
161 0x20
162 };
163 int scancode;
164
165 scancode = keycode;
166 if ((keycode >= 89) && (keycode < 89 + nitems(scan)))
167 scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
168 /* pause/break */
169 if ((keycode == 104) && !(shift & CTLS))
170 scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
171 if (shift & SHIFTS)
172 scancode &= ~SCAN_PREFIX_SHIFT;
173 return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));
174 }
175 #endif
176
177 /* keyboard driver declaration */
178 static int akbd_configure(int flags);
179 static kbd_probe_t akbd_probe;
180 static kbd_init_t akbd_init;
181 static kbd_term_t akbd_term;
182 static kbd_intr_t akbd_interrupt;
183 static kbd_test_if_t akbd_test_if;
184 static kbd_enable_t akbd_enable;
185 static kbd_disable_t akbd_disable;
186 static kbd_read_t akbd_read;
187 static kbd_check_t akbd_check;
188 static kbd_read_char_t akbd_read_char;
189 static kbd_check_char_t akbd_check_char;
190 static kbd_ioctl_t akbd_ioctl;
191 static kbd_lock_t akbd_lock;
192 static kbd_clear_state_t akbd_clear_state;
193 static kbd_get_state_t akbd_get_state;
194 static kbd_set_state_t akbd_set_state;
195 static kbd_poll_mode_t akbd_poll;
196
197 keyboard_switch_t akbdsw = {
198 .probe = akbd_probe,
199 .init = akbd_init,
200 .term = akbd_term,
201 .intr = akbd_interrupt,
202 .test_if = akbd_test_if,
203 .enable = akbd_enable,
204 .disable = akbd_disable,
205 .read = akbd_read,
206 .check = akbd_check,
207 .read_char = akbd_read_char,
208 .check_char = akbd_check_char,
209 .ioctl = akbd_ioctl,
210 .lock = akbd_lock,
211 .clear_state = akbd_clear_state,
212 .get_state = akbd_get_state,
213 .set_state = akbd_set_state,
214 .poll = akbd_poll,
215 };
216
217 KEYBOARD_DRIVER(akbd, akbdsw, akbd_configure);
218
219 static int
220 adb_kbd_probe(device_t dev)
221 {
222 uint8_t type;
223
224 type = adb_get_device_type(dev);
225
226 if (type != ADB_DEVICE_KEYBOARD)
227 return (ENXIO);
228
229 switch(adb_get_device_handler(dev)) {
230 case 1:
231 device_set_desc(dev,"Apple Standard Keyboard");
232 break;
233 case 2:
234 device_set_desc(dev,"Apple Extended Keyboard");
235 break;
236 case 4:
237 device_set_desc(dev,"Apple ISO Keyboard");
238 break;
239 case 5:
240 device_set_desc(dev,"Apple Extended ISO Keyboard");
241 break;
242 case 8:
243 device_set_desc(dev,"Apple Keyboard II");
244 break;
245 case 9:
246 device_set_desc(dev,"Apple ISO Keyboard II");
247 break;
248 case 12:
249 device_set_desc(dev,"PowerBook Keyboard");
250 break;
251 case 13:
252 device_set_desc(dev,"PowerBook ISO Keyboard");
253 break;
254 case 24:
255 device_set_desc(dev,"PowerBook Extended Keyboard");
256 break;
257 case 27:
258 device_set_desc(dev,"Apple Design Keyboard");
259 break;
260 case 195:
261 device_set_desc(dev,"PowerBook G3 Keyboard");
262 break;
263 case 196:
264 device_set_desc(dev,"iBook Keyboard");
265 break;
266 default:
267 device_set_desc(dev,"ADB Keyboard");
268 break;
269 }
270
271 return (0);
272 }
273
274 static int
275 ms_to_ticks(int ms)
276 {
277 if (hz > 1000)
278 return ms*(hz/1000);
279
280 return ms/(1000/hz);
281 }
282
283 static int
284 adb_kbd_attach(device_t dev)
285 {
286 struct adb_kbd_softc *sc;
287 keyboard_switch_t *sw;
288 uint32_t fkeys;
289 phandle_t handle;
290
291 sw = kbd_get_switch(KBD_DRIVER_NAME);
292 if (sw == NULL) {
293 return ENXIO;
294 }
295
296 sc = device_get_softc(dev);
297 sc->sc_dev = dev;
298 sc->sc_mode = K_RAW;
299 sc->sc_state = 0;
300 sc->have_led_control = 0;
301 sc->buffers = 0;
302
303 /* Try stepping forward to the extended keyboard protocol */
304 adb_set_device_handler(dev,3);
305
306 mtx_init(&sc->sc_mutex, KBD_DRIVER_NAME, NULL, MTX_DEF);
307 cv_init(&sc->sc_cv,KBD_DRIVER_NAME);
308 callout_init(&sc->sc_repeater, 0);
309
310 #ifdef AKBD_EMULATE_ATKBD
311 kbd_init_struct(&sc->sc_kbd, KBD_DRIVER_NAME, KB_101, 0, 0, 0, 0);
312 kbd_set_maps(&sc->sc_kbd, &key_map, &accent_map, fkey_tab,
313 sizeof(fkey_tab) / sizeof(fkey_tab[0]));
314 #else
315 #error ADB raw mode not implemented
316 #endif
317
318 KBD_FOUND_DEVICE(&sc->sc_kbd);
319 KBD_PROBE_DONE(&sc->sc_kbd);
320 KBD_INIT_DONE(&sc->sc_kbd);
321 KBD_CONFIG_DONE(&sc->sc_kbd);
322
323 (*sw->enable)(&sc->sc_kbd);
324
325 kbd_register(&sc->sc_kbd);
326
327 #ifdef KBD_INSTALL_CDEV
328 if (kbd_attach(&sc->sc_kbd)) {
329 adb_kbd_detach(dev);
330 return ENXIO;
331 }
332 #endif
333
334 /* Check if we can read out the LED state from
335 this keyboard by reading the key state register */
336 if (adb_read_register(dev, 2, NULL) == 2)
337 sc->have_led_control = 1;
338
339 adb_set_autopoll(dev,1);
340
341 handle = OF_finddevice("mac-io/via-pmu/adb/keyboard");
342 if (handle != -1 && OF_getprop(handle, "AAPL,has-embedded-fn-keys",
343 &fkeys, sizeof(fkeys)) != -1) {
344 static const char *key_names[] = {"F1", "F2", "F3", "F4", "F5",
345 "F6", "F7", "F8", "F9", "F10", "F11", "F12"};
346 struct sysctl_ctx_list *ctx;
347 struct sysctl_oid *tree;
348 int i;
349
350 if (bootverbose)
351 device_printf(dev, "Keyboard has embedded Fn keys\n");
352
353 for (i = 0; i < 12; i++) {
354 uint32_t keyval;
355 char buf[3];
356 if (OF_getprop(handle, key_names[i], &keyval,
357 sizeof(keyval)) < 0)
358 continue;
359 buf[0] = 1;
360 buf[1] = i+1;
361 buf[2] = keyval;
362 adb_write_register(dev, 0, 3, buf);
363 }
364 adb_write_register(dev, 1, 2, &(uint16_t){0});
365
366 ctx = device_get_sysctl_ctx(dev);
367 tree = device_get_sysctl_tree(dev);
368
369 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
370 "fn_keys_function_as_primary",
371 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
372 0, adb_fn_keys, "I",
373 "Set the Fn keys to be their F-key type as default");
374 }
375
376 return (0);
377 }
378
379 static int
380 adb_kbd_detach(device_t dev)
381 {
382 struct adb_kbd_softc *sc;
383 keyboard_t *kbd;
384
385 sc = device_get_softc(dev);
386
387 adb_set_autopoll(dev,0);
388 callout_stop(&sc->sc_repeater);
389
390 mtx_lock(&sc->sc_mutex);
391
392 kbd = kbd_get_keyboard(kbd_find_keyboard(KBD_DRIVER_NAME,
393 device_get_unit(dev)));
394
395 kbdd_disable(kbd);
396
397 #ifdef KBD_INSTALL_CDEV
398 kbd_detach(kbd);
399 #endif
400
401 kbdd_term(kbd);
402
403 mtx_unlock(&sc->sc_mutex);
404
405 mtx_destroy(&sc->sc_mutex);
406 cv_destroy(&sc->sc_cv);
407
408 return (0);
409 }
410
411 static u_int
412 adb_kbd_receive_packet(device_t dev, u_char status,
413 u_char command, u_char reg, int len, u_char *data)
414 {
415 struct adb_kbd_softc *sc;
416
417 sc = device_get_softc(dev);
418
419 if (command != ADB_COMMAND_TALK)
420 return 0;
421
422 if (reg != 0 || len != 2)
423 return (0);
424
425 mtx_lock(&sc->sc_mutex);
426 /* 0x7f is always the power button */
427 if (data[0] == 0x7f) {
428 devctl_notify("PMU", "Button", "pressed", NULL);
429 mtx_unlock(&sc->sc_mutex);
430 return (0);
431 } else if (data[0] == 0xff) {
432 mtx_unlock(&sc->sc_mutex);
433 return (0); /* Ignore power button release. */
434 }
435 if ((data[0] & 0x7f) == 57 && sc->buffers < 7) {
436 /* Fake the down/up cycle for caps lock */
437 sc->buffer[sc->buffers++] = data[0] & 0x7f;
438 sc->buffer[sc->buffers++] = (data[0] & 0x7f) | (1 << 7);
439 } else {
440 sc->buffer[sc->buffers++] = data[0];
441 }
442 if (sc->buffer[sc->buffers-1] < 0xff)
443 sc->last_press = sc->buffer[sc->buffers-1];
444
445 if ((data[1] & 0x7f) == 57 && sc->buffers < 7) {
446 /* Fake the down/up cycle for caps lock */
447 sc->buffer[sc->buffers++] = data[1] & 0x7f;
448 sc->buffer[sc->buffers++] = (data[1] & 0x7f) | (1 << 7);
449 } else {
450 sc->buffer[sc->buffers++] = data[1];
451 }
452
453 if (sc->buffer[sc->buffers-1] < 0xff)
454 sc->last_press = sc->buffer[sc->buffers-1];
455
456 /* Stop any existing key repeating */
457 callout_stop(&sc->sc_repeater);
458
459 /* Schedule a repeat callback on keydown */
460 if (!(sc->last_press & (1 << 7))) {
461 callout_reset(&sc->sc_repeater,
462 ms_to_ticks(sc->sc_kbd.kb_delay1), akbd_repeat, sc);
463 }
464 mtx_unlock(&sc->sc_mutex);
465
466 cv_broadcast(&sc->sc_cv);
467
468 if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
469 sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
470 KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
471 }
472
473 return (0);
474 }
475
476 static void
477 akbd_repeat(void *xsc) {
478 struct adb_kbd_softc *sc = xsc;
479 int notify_kbd = 0;
480
481 /* Fake an up/down key repeat so long as we have the
482 free buffers */
483 mtx_lock(&sc->sc_mutex);
484 if (sc->buffers < 7) {
485 sc->buffer[sc->buffers++] = sc->last_press | (1 << 7);
486 sc->buffer[sc->buffers++] = sc->last_press;
487
488 notify_kbd = 1;
489 }
490 mtx_unlock(&sc->sc_mutex);
491
492 if (notify_kbd && KBD_IS_ACTIVE(&sc->sc_kbd)
493 && KBD_IS_BUSY(&sc->sc_kbd)) {
494 sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
495 KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
496 }
497
498 /* Reschedule the callout */
499 callout_reset(&sc->sc_repeater, ms_to_ticks(sc->sc_kbd.kb_delay2),
500 akbd_repeat, sc);
501 }
502
503 static int
504 akbd_configure(int flags)
505 {
506 return 0;
507 }
508
509 static int
510 akbd_probe(int unit, void *arg, int flags)
511 {
512 return 0;
513 }
514
515 static int
516 akbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
517 {
518 return 0;
519 }
520
521 static int
522 akbd_term(keyboard_t *kbd)
523 {
524 return 0;
525 }
526
527 static int
528 akbd_interrupt(keyboard_t *kbd, void *arg)
529 {
530 return 0;
531 }
532
533 static int
534 akbd_test_if(keyboard_t *kbd)
535 {
536 return 0;
537 }
538
539 static int
540 akbd_enable(keyboard_t *kbd)
541 {
542 KBD_ACTIVATE(kbd);
543 return (0);
544 }
545
546 static int
547 akbd_disable(keyboard_t *kbd)
548 {
549 struct adb_kbd_softc *sc;
550 sc = (struct adb_kbd_softc *)(kbd);
551
552 callout_stop(&sc->sc_repeater);
553 KBD_DEACTIVATE(kbd);
554 return (0);
555 }
556
557 static int
558 akbd_read(keyboard_t *kbd, int wait)
559 {
560 return (0);
561 }
562
563 static int
564 akbd_check(keyboard_t *kbd)
565 {
566 struct adb_kbd_softc *sc;
567
568 if (!KBD_IS_ACTIVE(kbd))
569 return (FALSE);
570
571 sc = (struct adb_kbd_softc *)(kbd);
572
573 mtx_lock(&sc->sc_mutex);
574 #ifdef AKBD_EMULATE_ATKBD
575 if (sc->at_buffered_char[0]) {
576 mtx_unlock(&sc->sc_mutex);
577 return (TRUE);
578 }
579 #endif
580
581 if (sc->buffers > 0) {
582 mtx_unlock(&sc->sc_mutex);
583 return (TRUE);
584 }
585 mtx_unlock(&sc->sc_mutex);
586
587 return (FALSE);
588 }
589
590 static u_int
591 akbd_read_char(keyboard_t *kbd, int wait)
592 {
593 struct adb_kbd_softc *sc;
594 uint16_t key;
595 uint8_t adb_code;
596 int i;
597
598 sc = (struct adb_kbd_softc *)(kbd);
599
600 mtx_lock(&sc->sc_mutex);
601
602 #if defined(AKBD_EMULATE_ATKBD)
603 if (sc->sc_mode == K_RAW && sc->at_buffered_char[0]) {
604 key = sc->at_buffered_char[0];
605 if (key & SCAN_PREFIX) {
606 sc->at_buffered_char[0] = key & ~SCAN_PREFIX;
607 key = (key & SCAN_PREFIX_E0) ? 0xe0 : 0xe1;
608 } else {
609 sc->at_buffered_char[0] = sc->at_buffered_char[1];
610 sc->at_buffered_char[1] = 0;
611 }
612
613 mtx_unlock(&sc->sc_mutex);
614
615 return (key);
616 }
617 #endif
618
619 if (!sc->buffers && wait)
620 cv_wait(&sc->sc_cv,&sc->sc_mutex);
621
622 if (!sc->buffers) {
623 mtx_unlock(&sc->sc_mutex);
624 return (NOKEY);
625 }
626
627 adb_code = sc->buffer[0];
628
629 for (i = 1; i < sc->buffers; i++)
630 sc->buffer[i-1] = sc->buffer[i];
631
632 sc->buffers--;
633
634 #ifdef AKBD_EMULATE_ATKBD
635 key = adb_to_at_scancode_map[adb_code & 0x7f];
636 if (sc->sc_mode == K_CODE) {
637 /* Add the key-release bit */
638 key |= adb_code & 0x80;
639 } else if (sc->sc_mode == K_RAW) {
640 /*
641 * In the raw case, we have to emulate the gross
642 * variable-length AT keyboard thing. Since this code
643 * is copied from sunkbd, which is the same code
644 * as ukbd, it might be nice to have this centralized.
645 */
646
647 key = keycode2scancode(key,
648 0, adb_code & 0x80);
649
650 if (key & SCAN_PREFIX) {
651 if (key & SCAN_PREFIX_CTL) {
652 sc->at_buffered_char[0] =
653 0x1d | (key & SCAN_RELEASE);
654 sc->at_buffered_char[1] =
655 key & ~SCAN_PREFIX;
656 } else if (key & SCAN_PREFIX_SHIFT) {
657 sc->at_buffered_char[0] =
658 0x2a | (key & SCAN_RELEASE);
659 sc->at_buffered_char[1] =
660 key & ~SCAN_PREFIX_SHIFT;
661 } else {
662 sc->at_buffered_char[0] =
663 key & ~SCAN_PREFIX;
664 sc->at_buffered_char[1] = 0;
665 }
666
667 key = (key & SCAN_PREFIX_E0) ? 0xe0 : 0xe1;
668 }
669 }
670 #else
671 key = adb_code;
672 #endif
673
674 mtx_unlock(&sc->sc_mutex);
675
676 return (key);
677 }
678
679 static int
680 akbd_check_char(keyboard_t *kbd)
681 {
682 if (!KBD_IS_ACTIVE(kbd))
683 return (FALSE);
684
685 return (akbd_check(kbd));
686 }
687
688 static int
689 set_typematic(keyboard_t *kbd, int code)
690 {
691 /* These numbers are in microseconds, so convert to ticks */
692
693 static int delays[] = { 250, 500, 750, 1000 };
694 static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63,
695 68, 76, 84, 92, 100, 110, 118, 126,
696 136, 152, 168, 184, 200, 220, 236, 252,
697 272, 304, 336, 368, 400, 440, 472, 504 };
698
699 if (code & ~0x7f)
700 return EINVAL;
701 kbd->kb_delay1 = delays[(code >> 5) & 3];
702 kbd->kb_delay2 = rates[code & 0x1f];
703 return 0;
704 }
705
706 static int akbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data)
707 {
708 struct adb_kbd_softc *sc;
709 uint16_t r2;
710 int error;
711
712 sc = (struct adb_kbd_softc *)(kbd);
713 error = 0;
714
715 switch (cmd) {
716 case KDGKBMODE:
717 *(int *)data = sc->sc_mode;
718 break;
719 case KDSKBMODE:
720 switch (*(int *)data) {
721 case K_XLATE:
722 if (sc->sc_mode != K_XLATE) {
723 /* make lock key state and LED state match */
724 sc->sc_state &= ~LOCK_MASK;
725 sc->sc_state |= KBD_LED_VAL(kbd);
726 }
727 /* FALLTHROUGH */
728 case K_RAW:
729 case K_CODE:
730 if (sc->sc_mode != *(int *)data)
731 sc->sc_mode = *(int *)data;
732 break;
733 default:
734 error = EINVAL;
735 break;
736 }
737
738 break;
739
740 case KDGETLED:
741 *(int *)data = KBD_LED_VAL(kbd);
742 break;
743
744 case KDSKBSTATE:
745 if (*(int *)data & ~LOCK_MASK) {
746 error = EINVAL;
747 break;
748 }
749 sc->sc_state &= ~LOCK_MASK;
750 sc->sc_state |= *(int *)data;
751
752 /* FALLTHROUGH */
753
754 case KDSETLED:
755 KBD_LED_VAL(kbd) = *(int *)data;
756
757 if (!sc->have_led_control)
758 break;
759
760 r2 = (~0 & 0x04) | 3;
761
762 if (*(int *)data & NLKED)
763 r2 &= ~1;
764 if (*(int *)data & CLKED)
765 r2 &= ~2;
766 if (*(int *)data & SLKED)
767 r2 &= ~4;
768
769 adb_send_packet(sc->sc_dev,ADB_COMMAND_LISTEN,2,
770 sizeof(uint16_t),(u_char *)&r2);
771
772 break;
773
774 case KDGKBSTATE:
775 *(int *)data = sc->sc_state & LOCK_MASK;
776 break;
777
778 case KDSETREPEAT:
779 if (!KBD_HAS_DEVICE(kbd))
780 return 0;
781 if (((int *)data)[1] < 0)
782 return EINVAL;
783 if (((int *)data)[0] < 0)
784 return EINVAL;
785 else if (((int *)data)[0] == 0) /* fastest possible value */
786 kbd->kb_delay1 = 200;
787 else
788 kbd->kb_delay1 = ((int *)data)[0];
789 kbd->kb_delay2 = ((int *)data)[1];
790
791 break;
792
793 case KDSETRAD:
794 error = set_typematic(kbd, *(int *)data);
795 break;
796
797 case PIO_KEYMAP:
798 case OPIO_KEYMAP:
799 case PIO_KEYMAPENT:
800 case PIO_DEADKEYMAP:
801 default:
802 return (genkbd_commonioctl(kbd, cmd, data));
803 }
804
805 return (error);
806 }
807
808 static int akbd_lock(keyboard_t *kbd, int lock)
809 {
810 return (0);
811 }
812
813 static void akbd_clear_state(keyboard_t *kbd)
814 {
815 struct adb_kbd_softc *sc;
816
817 sc = (struct adb_kbd_softc *)(kbd);
818
819 mtx_lock(&sc->sc_mutex);
820
821 sc->buffers = 0;
822 callout_stop(&sc->sc_repeater);
823
824 #if defined(AKBD_EMULATE_ATKBD)
825 sc->at_buffered_char[0] = 0;
826 sc->at_buffered_char[1] = 0;
827 #endif
828 mtx_unlock(&sc->sc_mutex);
829 }
830
831 static int akbd_get_state(keyboard_t *kbd, void *buf, size_t len)
832 {
833 return (0);
834 }
835
836 static int akbd_set_state(keyboard_t *kbd, void *buf, size_t len)
837 {
838 return (0);
839 }
840
841 static int akbd_poll(keyboard_t *kbd, int on)
842 {
843 return (0);
844 }
845
846 static int
847 akbd_modevent(module_t mod, int type, void *data)
848 {
849 switch (type) {
850 case MOD_LOAD:
851 kbd_add_driver(&akbd_kbd_driver);
852 break;
853
854 case MOD_UNLOAD:
855 kbd_delete_driver(&akbd_kbd_driver);
856 break;
857
858 default:
859 return (EOPNOTSUPP);
860 }
861
862 return (0);
863 }
864
865 static int
866 adb_fn_keys(SYSCTL_HANDLER_ARGS)
867 {
868 struct adb_kbd_softc *sc = arg1;
869 int error;
870 uint16_t is_fn_enabled;
871 unsigned int is_fn_enabled_sysctl;
872
873 adb_read_register(sc->sc_dev, 1, &is_fn_enabled);
874 is_fn_enabled &= 1;
875 is_fn_enabled_sysctl = is_fn_enabled;
876 error = sysctl_handle_int(oidp, &is_fn_enabled_sysctl, 0, req);
877
878 if (error || !req->newptr)
879 return (error);
880
881 is_fn_enabled = is_fn_enabled_sysctl;
882 if (is_fn_enabled != 1 && is_fn_enabled != 0)
883 return (EINVAL);
884
885 adb_write_register(sc->sc_dev, 1, 2, &is_fn_enabled);
886 return (0);
887 }
888
889 DEV_MODULE(akbd, akbd_modevent, NULL);
Cache object: 0b3c0265e2ab4bb449533e27327f520a
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