1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * All rights reserved.
6 *
7 * Based on dev/usb/input/ukbd.c
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/bus.h>
37 #include <sys/kernel.h>
38 #include <sys/lock.h>
39 #include <sys/module.h>
40 #include <sys/malloc.h>
41 #include <sys/mutex.h>
42 #include <sys/rman.h>
43 #include <sys/proc.h>
44 #include <sys/sched.h>
45 #include <sys/kdb.h>
46
47 #include <machine/bus.h>
48 #include <machine/cpu.h>
49 #include <machine/intr.h>
50
51 #include <dev/fdt/fdt_common.h>
52 #include <dev/ofw/openfirm.h>
53 #include <dev/ofw/ofw_bus.h>
54 #include <dev/ofw/ofw_bus_subr.h>
55
56 #include <sys/ioccom.h>
57 #include <sys/filio.h>
58 #include <sys/kbio.h>
59
60 #include <dev/kbd/kbdreg.h>
61
62 #include <machine/bus.h>
63
64 #include <dev/kbd/kbdtables.h>
65
66 #define KMI_LOCK() mtx_lock(&Giant)
67 #define KMI_UNLOCK() mtx_unlock(&Giant)
68
69 #ifdef INVARIANTS
70 /*
71 * Assert that the lock is held in all contexts
72 * where the code can be executed.
73 */
74 #define KMI_LOCK_ASSERT() mtx_assert(&Giant, MA_OWNED)
75 /*
76 * Assert that the lock is held in the contexts
77 * where it really has to be so.
78 */
79 #define KMI_CTX_LOCK_ASSERT() \
80 do { \
81 if (!kdb_active && panicstr == NULL) \
82 mtx_assert(&Giant, MA_OWNED); \
83 } while (0)
84 #else
85 #define KMI_LOCK_ASSERT() (void)0
86 #define KMI_CTX_LOCK_ASSERT() (void)0
87 #endif
88
89 #define KMICR 0x00
90 #define KMICR_TYPE_NONPS2 (1 << 5)
91 #define KMICR_RXINTREN (1 << 4)
92 #define KMICR_TXINTREN (1 << 3)
93 #define KMICR_EN (1 << 2)
94 #define KMICR_FKMID (1 << 1)
95 #define KMICR_FKMIC (1 << 0)
96 #define KMISTAT 0x04
97 #define KMISTAT_TXEMPTY (1 << 6)
98 #define KMISTAT_TXBUSY (1 << 5)
99 #define KMISTAT_RXFULL (1 << 4)
100 #define KMISTAT_RXBUSY (1 << 3)
101 #define KMISTAT_RXPARITY (1 << 2)
102 #define KMISTAT_KMIC (1 << 1)
103 #define KMISTAT_KMID (1 << 0)
104 #define KMIDATA 0x08
105 #define KMICLKDIV 0x0C
106 #define KMIIR 0x10
107 #define KMIIR_TXINTR (1 << 1)
108 #define KMIIR_RXINTR (1 << 0)
109
110 #define KMI_DRIVER_NAME "kmi"
111 #define KMI_NFKEY (sizeof(fkey_tab)/sizeof(fkey_tab[0])) /* units */
112
113 #define SET_SCANCODE_SET 0xf0
114
115 struct kmi_softc {
116 device_t sc_dev;
117 keyboard_t sc_kbd;
118 keymap_t sc_keymap;
119 accentmap_t sc_accmap;
120 fkeytab_t sc_fkeymap[KMI_NFKEY];
121
122 struct resource* sc_mem_res;
123 struct resource* sc_irq_res;
124 void* sc_intr_hl;
125
126 int sc_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
127 int sc_state; /* shift/lock key state */
128 int sc_accents; /* accent key index (> 0) */
129 uint32_t sc_flags; /* flags */
130 #define KMI_FLAG_COMPOSE 0x00000001
131 #define KMI_FLAG_POLLING 0x00000002
132
133 struct thread *sc_poll_thread;
134 };
135
136 /* Read/Write macros for Timer used as timecounter */
137 #define pl050_kmi_read_4(sc, reg) \
138 bus_read_4((sc)->sc_mem_res, (reg))
139
140 #define pl050_kmi_write_4(sc, reg, val) \
141 bus_write_4((sc)->sc_mem_res, (reg), (val))
142
143 /* prototypes */
144 static void kmi_set_leds(struct kmi_softc *, uint8_t);
145 static int kmi_set_typematic(keyboard_t *, int);
146 static uint32_t kmi_read_char(keyboard_t *, int);
147 static void kmi_clear_state(keyboard_t *);
148 static int kmi_ioctl(keyboard_t *, u_long, caddr_t);
149 static int kmi_enable(keyboard_t *);
150 static int kmi_disable(keyboard_t *);
151
152 static int kmi_attached = 0;
153
154 /* early keyboard probe, not supported */
155 static int
156 kmi_configure(int flags)
157 {
158 return (0);
159 }
160
161 /* detect a keyboard, not used */
162 static int
163 kmi_probe(int unit, void *arg, int flags)
164 {
165 return (ENXIO);
166 }
167
168 /* reset and initialize the device, not used */
169 static int
170 kmi_init(int unit, keyboard_t **kbdp, void *arg, int flags)
171 {
172 return (ENXIO);
173 }
174
175 /* test the interface to the device, not used */
176 static int
177 kmi_test_if(keyboard_t *kbd)
178 {
179 return (0);
180 }
181
182 /* finish using this keyboard, not used */
183 static int
184 kmi_term(keyboard_t *kbd)
185 {
186 return (ENXIO);
187 }
188
189 /* keyboard interrupt routine, not used */
190 static int
191 kmi_intr(keyboard_t *kbd, void *arg)
192 {
193
194 return (0);
195 }
196
197 /* lock the access to the keyboard, not used */
198 static int
199 kmi_lock(keyboard_t *kbd, int lock)
200 {
201 return (1);
202 }
203
204 /*
205 * Enable the access to the device; until this function is called,
206 * the client cannot read from the keyboard.
207 */
208 static int
209 kmi_enable(keyboard_t *kbd)
210 {
211
212 KMI_LOCK();
213 KBD_ACTIVATE(kbd);
214 KMI_UNLOCK();
215
216 return (0);
217 }
218
219 /* disallow the access to the device */
220 static int
221 kmi_disable(keyboard_t *kbd)
222 {
223
224 KMI_LOCK();
225 KBD_DEACTIVATE(kbd);
226 KMI_UNLOCK();
227
228 return (0);
229 }
230
231 /* check if data is waiting */
232 static int
233 kmi_check(keyboard_t *kbd)
234 {
235 struct kmi_softc *sc = kbd->kb_data;
236 uint32_t reg;
237
238 KMI_CTX_LOCK_ASSERT();
239
240 if (!KBD_IS_ACTIVE(kbd))
241 return (0);
242
243 reg = pl050_kmi_read_4(sc, KMIIR);
244 return (reg & KMIIR_RXINTR);
245 }
246
247 /* check if char is waiting */
248 static int
249 kmi_check_char_locked(keyboard_t *kbd)
250 {
251 KMI_CTX_LOCK_ASSERT();
252
253 if (!KBD_IS_ACTIVE(kbd))
254 return (0);
255
256 return (kmi_check(kbd));
257 }
258
259 static int
260 kmi_check_char(keyboard_t *kbd)
261 {
262 int result;
263
264 KMI_LOCK();
265 result = kmi_check_char_locked(kbd);
266 KMI_UNLOCK();
267
268 return (result);
269 }
270
271 /* read one byte from the keyboard if it's allowed */
272 /* Currently unused. */
273 static int
274 kmi_read(keyboard_t *kbd, int wait)
275 {
276 KMI_CTX_LOCK_ASSERT();
277
278 if (!KBD_IS_ACTIVE(kbd))
279 return (-1);
280
281 ++(kbd->kb_count);
282 printf("Implement ME: %s\n", __func__);
283 return (0);
284 }
285
286 /* read char from the keyboard */
287 static uint32_t
288 kmi_read_char_locked(keyboard_t *kbd, int wait)
289 {
290 struct kmi_softc *sc = kbd->kb_data;
291 uint32_t reg, data;
292
293 KMI_CTX_LOCK_ASSERT();
294
295 if (!KBD_IS_ACTIVE(kbd))
296 return (NOKEY);
297
298 reg = pl050_kmi_read_4(sc, KMIIR);
299 if (reg & KMIIR_RXINTR) {
300 data = pl050_kmi_read_4(sc, KMIDATA);
301 return (data);
302 }
303
304 ++kbd->kb_count;
305 return (NOKEY);
306 }
307
308 /* Currently wait is always false. */
309 static uint32_t
310 kmi_read_char(keyboard_t *kbd, int wait)
311 {
312 uint32_t keycode;
313
314 KMI_LOCK();
315 keycode = kmi_read_char_locked(kbd, wait);
316 KMI_UNLOCK();
317
318 return (keycode);
319 }
320
321 /* some useful control functions */
322 static int
323 kmi_ioctl_locked(keyboard_t *kbd, u_long cmd, caddr_t arg)
324 {
325 struct kmi_softc *sc = kbd->kb_data;
326 int i;
327 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
328 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
329 int ival;
330
331 #endif
332
333 KMI_LOCK_ASSERT();
334
335 switch (cmd) {
336 case KDGKBMODE: /* get keyboard mode */
337 *(int *)arg = sc->sc_mode;
338 break;
339 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
340 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
341 case _IO('K', 7):
342 ival = IOCPARM_IVAL(arg);
343 arg = (caddr_t)&ival;
344 /* FALLTHROUGH */
345 #endif
346 case KDSKBMODE: /* set keyboard mode */
347 switch (*(int *)arg) {
348 case K_XLATE:
349 if (sc->sc_mode != K_XLATE) {
350 /* make lock key state and LED state match */
351 sc->sc_state &= ~LOCK_MASK;
352 sc->sc_state |= KBD_LED_VAL(kbd);
353 }
354 /* FALLTHROUGH */
355 case K_RAW:
356 case K_CODE:
357 if (sc->sc_mode != *(int *)arg) {
358 if ((sc->sc_flags & KMI_FLAG_POLLING) == 0)
359 kmi_clear_state(kbd);
360 sc->sc_mode = *(int *)arg;
361 }
362 break;
363 default:
364 return (EINVAL);
365 }
366 break;
367
368 case KDGETLED: /* get keyboard LED */
369 *(int *)arg = KBD_LED_VAL(kbd);
370 break;
371 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
372 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
373 case _IO('K', 66):
374 ival = IOCPARM_IVAL(arg);
375 arg = (caddr_t)&ival;
376 /* FALLTHROUGH */
377 #endif
378 case KDSETLED: /* set keyboard LED */
379 /* NOTE: lock key state in "sc_state" won't be changed */
380 if (*(int *)arg & ~LOCK_MASK)
381 return (EINVAL);
382
383 i = *(int *)arg;
384
385 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */
386 if (sc->sc_mode == K_XLATE &&
387 kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
388 if (i & ALKED)
389 i |= CLKED;
390 else
391 i &= ~CLKED;
392 }
393 if (KBD_HAS_DEVICE(kbd))
394 kmi_set_leds(sc, i);
395
396 KBD_LED_VAL(kbd) = *(int *)arg;
397 break;
398 case KDGKBSTATE: /* get lock key state */
399 *(int *)arg = sc->sc_state & LOCK_MASK;
400 break;
401 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
402 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
403 case _IO('K', 20):
404 ival = IOCPARM_IVAL(arg);
405 arg = (caddr_t)&ival;
406 /* FALLTHROUGH */
407 #endif
408 case KDSKBSTATE: /* set lock key state */
409 if (*(int *)arg & ~LOCK_MASK) {
410 return (EINVAL);
411 }
412 sc->sc_state &= ~LOCK_MASK;
413 sc->sc_state |= *(int *)arg;
414
415 /* set LEDs and quit */
416 return (kmi_ioctl(kbd, KDSETLED, arg));
417
418 case KDSETREPEAT: /* set keyboard repeat rate (new
419 * interface) */
420 if (!KBD_HAS_DEVICE(kbd)) {
421 return (0);
422 }
423 if (((int *)arg)[1] < 0) {
424 return (EINVAL);
425 }
426 if (((int *)arg)[0] < 0) {
427 return (EINVAL);
428 }
429 if (((int *)arg)[0] < 200) /* fastest possible value */
430 kbd->kb_delay1 = 200;
431 else
432 kbd->kb_delay1 = ((int *)arg)[0];
433 kbd->kb_delay2 = ((int *)arg)[1];
434 return (0);
435
436 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
437 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
438 case _IO('K', 67):
439 ival = IOCPARM_IVAL(arg);
440 arg = (caddr_t)&ival;
441 /* FALLTHROUGH */
442 #endif
443 case KDSETRAD: /* set keyboard repeat rate (old
444 * interface) */
445 return (kmi_set_typematic(kbd, *(int *)arg));
446
447 case PIO_KEYMAP: /* set keyboard translation table */
448 case OPIO_KEYMAP: /* set keyboard translation table
449 * (compat) */
450 case PIO_KEYMAPENT: /* set keyboard translation table
451 * entry */
452 case PIO_DEADKEYMAP: /* set accent key translation table */
453 sc->sc_accents = 0;
454 /* FALLTHROUGH */
455 default:
456 return (genkbd_commonioctl(kbd, cmd, arg));
457 }
458
459 return (0);
460 }
461
462 static int
463 kmi_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
464 {
465 int result;
466
467 /*
468 * XXX KDGKBSTATE, KDSKBSTATE and KDSETLED can be called from any
469 * context where printf(9) can be called, which among other things
470 * includes interrupt filters and threads with any kinds of locks
471 * already held. For this reason it would be dangerous to acquire
472 * the Giant here unconditionally. On the other hand we have to
473 * have it to handle the ioctl.
474 * So we make our best effort to auto-detect whether we can grab
475 * the Giant or not. Blame syscons(4) for this.
476 */
477 switch (cmd) {
478 case KDGKBSTATE:
479 case KDSKBSTATE:
480 case KDSETLED:
481 if (!mtx_owned(&Giant) && !SCHEDULER_STOPPED())
482 return (EDEADLK); /* best I could come up with */
483 /* FALLTHROUGH */
484 default:
485 KMI_LOCK();
486 result = kmi_ioctl_locked(kbd, cmd, arg);
487 KMI_UNLOCK();
488 return (result);
489 }
490 }
491
492 /* clear the internal state of the keyboard */
493 static void
494 kmi_clear_state(keyboard_t *kbd)
495 {
496 struct kmi_softc *sc = kbd->kb_data;
497
498 KMI_CTX_LOCK_ASSERT();
499
500 sc->sc_flags &= ~(KMI_FLAG_COMPOSE | KMI_FLAG_POLLING);
501 sc->sc_state &= LOCK_MASK; /* preserve locking key state */
502 sc->sc_accents = 0;
503 }
504
505 /* save the internal state, not used */
506 static int
507 kmi_get_state(keyboard_t *kbd, void *buf, size_t len)
508 {
509 return (len == 0) ? 1 : -1;
510 }
511
512 /* set the internal state, not used */
513 static int
514 kmi_set_state(keyboard_t *kbd, void *buf, size_t len)
515 {
516 return (EINVAL);
517 }
518
519 static int
520 kmi_poll(keyboard_t *kbd, int on)
521 {
522 struct kmi_softc *sc = kbd->kb_data;
523
524 KMI_LOCK();
525 if (on) {
526 sc->sc_flags |= KMI_FLAG_POLLING;
527 sc->sc_poll_thread = curthread;
528 } else {
529 sc->sc_flags &= ~KMI_FLAG_POLLING;
530 }
531 KMI_UNLOCK();
532
533 return (0);
534 }
535
536 /* local functions */
537
538 static void
539 kmi_set_leds(struct kmi_softc *sc, uint8_t leds)
540 {
541
542 KMI_LOCK_ASSERT();
543
544 /* start transfer, if not already started */
545 printf("Implement me: %s\n", __func__);
546 }
547
548 static int
549 kmi_set_typematic(keyboard_t *kbd, int code)
550 {
551 static const int delays[] = {250, 500, 750, 1000};
552 static const int rates[] = {34, 38, 42, 46, 50, 55, 59, 63,
553 68, 76, 84, 92, 100, 110, 118, 126,
554 136, 152, 168, 184, 200, 220, 236, 252,
555 272, 304, 336, 368, 400, 440, 472, 504};
556
557 if (code & ~0x7f) {
558 return (EINVAL);
559 }
560 kbd->kb_delay1 = delays[(code >> 5) & 3];
561 kbd->kb_delay2 = rates[code & 0x1f];
562 return (0);
563 }
564
565 static keyboard_switch_t kmisw = {
566 .probe = &kmi_probe,
567 .init = &kmi_init,
568 .term = &kmi_term,
569 .intr = &kmi_intr,
570 .test_if = &kmi_test_if,
571 .enable = &kmi_enable,
572 .disable = &kmi_disable,
573 .read = &kmi_read,
574 .check = &kmi_check,
575 .read_char = &kmi_read_char,
576 .check_char = &kmi_check_char,
577 .ioctl = &kmi_ioctl,
578 .lock = &kmi_lock,
579 .clear_state = &kmi_clear_state,
580 .get_state = &kmi_get_state,
581 .set_state = &kmi_set_state,
582 .poll = &kmi_poll,
583 };
584
585 KEYBOARD_DRIVER(kmi, kmisw, kmi_configure);
586
587 static void
588 pl050_kmi_intr(void *arg)
589 {
590 struct kmi_softc *sc = arg;
591 uint32_t c;
592
593 KMI_CTX_LOCK_ASSERT();
594
595 if ((sc->sc_flags & KMI_FLAG_POLLING) != 0)
596 return;
597
598 if (KBD_IS_ACTIVE(&sc->sc_kbd) &&
599 KBD_IS_BUSY(&sc->sc_kbd)) {
600 /* let the callback function process the input */
601 (sc->sc_kbd.kb_callback.kc_func) (&sc->sc_kbd, KBDIO_KEYINPUT,
602 sc->sc_kbd.kb_callback.kc_arg);
603 } else {
604 /* read and discard the input, no one is waiting for it */
605 do {
606 c = kmi_read_char_locked(&sc->sc_kbd, 0);
607 } while (c != NOKEY);
608 }
609
610 }
611
612 static int
613 pl050_kmi_probe(device_t dev)
614 {
615
616 if (!ofw_bus_status_okay(dev))
617 return (ENXIO);
618
619 /*
620 * PL050 is plain PS2 port that pushes bytes to/from computer
621 * VersatilePB has two such ports and QEMU simulates keyboard
622 * connected to port #0 and mouse connected to port #1. This
623 * information can't be obtained from device tree so we just
624 * hardcode this knowledge here. We attach keyboard driver to
625 * port #0 and ignore port #1
626 */
627 if (kmi_attached)
628 return (ENXIO);
629
630 if (ofw_bus_is_compatible(dev, "arm,pl050")) {
631 device_set_desc(dev, "PL050 Keyboard/Mouse Interface");
632 return (BUS_PROBE_DEFAULT);
633 }
634
635 return (ENXIO);
636 }
637
638 static int
639 pl050_kmi_attach(device_t dev)
640 {
641 struct kmi_softc *sc = device_get_softc(dev);
642 keyboard_t *kbd;
643 int rid;
644 int i;
645 uint32_t ack;
646
647 sc->sc_dev = dev;
648 kbd = &sc->sc_kbd;
649 rid = 0;
650
651 sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
652 if (sc->sc_mem_res == NULL) {
653 device_printf(dev, "could not allocate memory resource\n");
654 return (ENXIO);
655 }
656
657 /* Request the IRQ resources */
658 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
659 if (sc->sc_irq_res == NULL) {
660 device_printf(dev, "Error: could not allocate irq resources\n");
661 return (ENXIO);
662 }
663
664 /* Setup and enable the timer */
665 if (bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_CLK,
666 NULL, pl050_kmi_intr, sc,
667 &sc->sc_intr_hl) != 0) {
668 bus_release_resource(dev, SYS_RES_IRQ, rid,
669 sc->sc_irq_res);
670 device_printf(dev, "Unable to setup the clock irq handler.\n");
671 return (ENXIO);
672 }
673
674 /* TODO: clock & divisor */
675
676 pl050_kmi_write_4(sc, KMICR, KMICR_EN);
677
678 pl050_kmi_write_4(sc, KMIDATA, SET_SCANCODE_SET);
679 /* read out ACK */
680 ack = pl050_kmi_read_4(sc, KMIDATA);
681 /* Set Scan Code set 1 (XT) */
682 pl050_kmi_write_4(sc, KMIDATA, 1);
683 /* read out ACK */
684 ack = pl050_kmi_read_4(sc, KMIDATA);
685
686 pl050_kmi_write_4(sc, KMICR, KMICR_EN | KMICR_RXINTREN);
687
688 kbd_init_struct(kbd, KMI_DRIVER_NAME, KB_OTHER,
689 device_get_unit(dev), 0, 0, 0);
690 kbd->kb_data = (void *)sc;
691
692 sc->sc_keymap = key_map;
693 sc->sc_accmap = accent_map;
694 for (i = 0; i < KMI_NFKEY; i++) {
695 sc->sc_fkeymap[i] = fkey_tab[i];
696 }
697
698 kbd_set_maps(kbd, &sc->sc_keymap, &sc->sc_accmap,
699 sc->sc_fkeymap, KMI_NFKEY);
700
701 KBD_FOUND_DEVICE(kbd);
702 kmi_clear_state(kbd);
703 KBD_PROBE_DONE(kbd);
704
705 KBD_INIT_DONE(kbd);
706
707 if (kbd_register(kbd) < 0) {
708 goto detach;
709 }
710 KBD_CONFIG_DONE(kbd);
711
712 #ifdef KBD_INSTALL_CDEV
713 if (kbd_attach(kbd)) {
714 goto detach;
715 }
716 #endif
717
718 if (bootverbose) {
719 kbdd_diag(kbd, bootverbose);
720 }
721 kmi_attached = 1;
722 return (0);
723
724 detach:
725 return (ENXIO);
726
727 }
728
729 static device_method_t pl050_kmi_methods[] = {
730 DEVMETHOD(device_probe, pl050_kmi_probe),
731 DEVMETHOD(device_attach, pl050_kmi_attach),
732 { 0, 0 }
733 };
734
735 static driver_t pl050_kmi_driver = {
736 "kmi",
737 pl050_kmi_methods,
738 sizeof(struct kmi_softc),
739 };
740
741 static devclass_t pl050_kmi_devclass;
742
743 DRIVER_MODULE(pl050_kmi, simplebus, pl050_kmi_driver, pl050_kmi_devclass, 0, 0);
Cache object: 96d70acc83e6859573b367b6ec10fa2b
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