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: stable/11/sys/arm/versatile/pl050.c 356021 2019-12-22 19:14:33Z kevans $"); 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 115struct 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 */ 144static void kmi_set_leds(struct kmi_softc *, uint8_t); 145static int kmi_set_typematic(keyboard_t *, int); 146static uint32_t kmi_read_char(keyboard_t *, int); 147static void kmi_clear_state(keyboard_t *); 148static int kmi_ioctl(keyboard_t *, u_long, caddr_t); 149static int kmi_enable(keyboard_t *); 150static int kmi_disable(keyboard_t *); 151 152static int kmi_attached = 0; 153 154/* early keyboard probe, not supported */ 155static int 156kmi_configure(int flags) 157{ 158 return (0); 159} 160 161/* detect a keyboard, not used */ 162static int 163kmi_probe(int unit, void *arg, int flags) 164{ 165 return (ENXIO); 166} 167 168/* reset and initialize the device, not used */ 169static int 170kmi_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 */ 176static int 177kmi_test_if(keyboard_t *kbd) 178{ 179 return (0); 180} 181 182/* finish using this keyboard, not used */ 183static int 184kmi_term(keyboard_t *kbd) 185{ 186 return (ENXIO); 187} 188 189/* keyboard interrupt routine, not used */ 190static int 191kmi_intr(keyboard_t *kbd, void *arg) 192{ 193 194 return (0); 195} 196 197/* lock the access to the keyboard, not used */ 198static int 199kmi_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 */ 208static int 209kmi_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 */ 220static int 221kmi_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 */ 232static int 233kmi_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 */ 248static int 249kmi_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 259static int 260kmi_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. */ 273static int 274kmi_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 */ 287static uint32_t 288kmi_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. */ 309static uint32_t 310kmi_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 */ 322static int 323kmi_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 462static int 463kmi_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 */ 493static void 494kmi_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 */ 506static int 507kmi_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 */ 513static int 514kmi_set_state(keyboard_t *kbd, void *buf, size_t len) 515{ 516 return (EINVAL); 517} 518 519static int 520kmi_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 538static void 539kmi_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 548static int 549kmi_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 565static 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 585KEYBOARD_DRIVER(kmi, kmisw, kmi_configure); 586 587static void 588pl050_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 612static int 613pl050_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 638static int 639pl050_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 724detach: 725 return (ENXIO); 726 727} 728 729static 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 735static driver_t pl050_kmi_driver = { 736 "kmi", 737 pl050_kmi_methods, 738 sizeof(struct kmi_softc), 739}; 740 741static devclass_t pl050_kmi_devclass; 742 743DRIVER_MODULE(pl050_kmi, simplebus, pl050_kmi_driver, pl050_kmi_devclass, 0, 0); 744