Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/input/ukbd.c
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1 #include <sys/cdefs.h> 2 __FBSDID("$FreeBSD$"); 3 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause-NetBSD 6 * 7 * Copyright (c) 1998 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Lennart Augustsson (lennart@augustsson.net) at 12 * Carlstedt Research & Technology. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 * 35 */ 36 37 /* 38 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 39 */ 40 41 #include "opt_kbd.h" 42 #include "opt_ukbd.h" 43 #include "opt_evdev.h" 44 45 #include <sys/stdint.h> 46 #include <sys/stddef.h> 47 #include <sys/param.h> 48 #include <sys/queue.h> 49 #include <sys/types.h> 50 #include <sys/systm.h> 51 #include <sys/kernel.h> 52 #include <sys/bus.h> 53 #include <sys/module.h> 54 #include <sys/lock.h> 55 #include <sys/mutex.h> 56 #include <sys/condvar.h> 57 #include <sys/sysctl.h> 58 #include <sys/sx.h> 59 #include <sys/unistd.h> 60 #include <sys/callout.h> 61 #include <sys/malloc.h> 62 #include <sys/priv.h> 63 #include <sys/proc.h> 64 65 #include <dev/hid/hid.h> 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include <dev/usb/usbdi_util.h> 70 #include <dev/usb/usbhid.h> 71 72 #define USB_DEBUG_VAR ukbd_debug 73 #include <dev/usb/usb_debug.h> 74 75 #include <dev/usb/quirk/usb_quirk.h> 76 77 #ifdef EVDEV_SUPPORT 78 #include <dev/evdev/input.h> 79 #include <dev/evdev/evdev.h> 80 #endif 81 82 #include <sys/ioccom.h> 83 #include <sys/filio.h> 84 #include <sys/kbio.h> 85 86 #include <dev/kbd/kbdreg.h> 87 88 /* the initial key map, accent map and fkey strings */ 89 #if defined(UKBD_DFLT_KEYMAP) && !defined(KLD_MODULE) 90 #define KBD_DFLT_KEYMAP 91 #include "ukbdmap.h" 92 #endif 93 94 /* the following file must be included after "ukbdmap.h" */ 95 #include <dev/kbd/kbdtables.h> 96 97 #ifdef USB_DEBUG 98 static int ukbd_debug = 0; 99 static int ukbd_no_leds = 0; 100 static int ukbd_pollrate = 0; 101 102 static SYSCTL_NODE(_hw_usb, OID_AUTO, ukbd, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 103 "USB keyboard"); 104 SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, debug, CTLFLAG_RWTUN, 105 &ukbd_debug, 0, "Debug level"); 106 SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, no_leds, CTLFLAG_RWTUN, 107 &ukbd_no_leds, 0, "Disables setting of keyboard leds"); 108 SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, pollrate, CTLFLAG_RWTUN, 109 &ukbd_pollrate, 0, "Force this polling rate, 1-1000Hz"); 110 #endif 111 112 #define UKBD_EMULATE_ATSCANCODE 1 113 #define UKBD_DRIVER_NAME "ukbd" 114 #define UKBD_NKEYCODE 256 /* units */ 115 #define UKBD_IN_BUF_SIZE (4 * UKBD_NKEYCODE) /* scancodes */ 116 #define UKBD_IN_BUF_FULL ((UKBD_IN_BUF_SIZE / 2) - 1) /* scancodes */ 117 #define UKBD_NFKEY (sizeof(fkey_tab)/sizeof(fkey_tab[0])) /* units */ 118 #define UKBD_BUFFER_SIZE 64 /* bytes */ 119 #define UKBD_KEY_PRESSED(map, key) ({ \ 120 CTASSERT((key) >= 0 && (key) < UKBD_NKEYCODE); \ 121 ((map)[(key) / 64] & (1ULL << ((key) % 64))); \ 122 }) 123 124 #define MOD_EJECT 0x01 125 #define MOD_FN 0x02 126 127 struct ukbd_data { 128 uint64_t bitmap[howmany(UKBD_NKEYCODE, 64)]; 129 }; 130 131 enum { 132 UKBD_INTR_DT_0, 133 UKBD_INTR_DT_1, 134 UKBD_CTRL_LED, 135 UKBD_N_TRANSFER, 136 }; 137 138 struct ukbd_softc { 139 keyboard_t sc_kbd; 140 keymap_t sc_keymap; 141 accentmap_t sc_accmap; 142 fkeytab_t sc_fkeymap[UKBD_NFKEY]; 143 uint64_t sc_loc_key_valid[howmany(UKBD_NKEYCODE, 64)]; 144 struct hid_location sc_loc_apple_eject; 145 struct hid_location sc_loc_apple_fn; 146 struct hid_location sc_loc_key[UKBD_NKEYCODE]; 147 struct hid_location sc_loc_numlock; 148 struct hid_location sc_loc_capslock; 149 struct hid_location sc_loc_scrolllock; 150 struct usb_callout sc_callout; 151 struct ukbd_data sc_ndata; 152 struct ukbd_data sc_odata; 153 154 struct thread *sc_poll_thread; 155 struct usb_device *sc_udev; 156 struct usb_interface *sc_iface; 157 struct usb_xfer *sc_xfer[UKBD_N_TRANSFER]; 158 #ifdef EVDEV_SUPPORT 159 struct evdev_dev *sc_evdev; 160 #endif 161 162 sbintime_t sc_co_basetime; 163 int sc_delay; 164 uint32_t sc_repeat_time; 165 uint32_t sc_input[UKBD_IN_BUF_SIZE]; /* input buffer */ 166 uint32_t sc_time_ms; 167 uint32_t sc_composed_char; /* composed char code, if non-zero */ 168 #ifdef UKBD_EMULATE_ATSCANCODE 169 uint32_t sc_buffered_char[2]; 170 #endif 171 uint32_t sc_flags; /* flags */ 172 #define UKBD_FLAG_COMPOSE 0x00000001 173 #define UKBD_FLAG_POLLING 0x00000002 174 #define UKBD_FLAG_SET_LEDS 0x00000004 175 #define UKBD_FLAG_ATTACHED 0x00000010 176 #define UKBD_FLAG_GONE 0x00000020 177 178 #define UKBD_FLAG_HID_MASK 0x003fffc0 179 #define UKBD_FLAG_APPLE_EJECT 0x00000040 180 #define UKBD_FLAG_APPLE_FN 0x00000080 181 #define UKBD_FLAG_APPLE_SWAP 0x00000100 182 #define UKBD_FLAG_NUMLOCK 0x00080000 183 #define UKBD_FLAG_CAPSLOCK 0x00100000 184 #define UKBD_FLAG_SCROLLLOCK 0x00200000 185 186 int sc_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */ 187 int sc_state; /* shift/lock key state */ 188 int sc_accents; /* accent key index (> 0) */ 189 int sc_polling; /* polling recursion count */ 190 int sc_led_size; 191 int sc_kbd_size; 192 193 uint16_t sc_inputs; 194 uint16_t sc_inputhead; 195 uint16_t sc_inputtail; 196 197 uint8_t sc_leds; /* store for async led requests */ 198 uint8_t sc_iface_index; 199 uint8_t sc_iface_no; 200 uint8_t sc_id_apple_eject; 201 uint8_t sc_id_apple_fn; 202 uint8_t sc_id_loc_key[UKBD_NKEYCODE]; 203 uint8_t sc_id_numlock; 204 uint8_t sc_id_capslock; 205 uint8_t sc_id_scrolllock; 206 uint8_t sc_kbd_id; 207 uint8_t sc_repeat_key; 208 209 uint8_t sc_buffer[UKBD_BUFFER_SIZE]; 210 }; 211 212 #define KEY_NONE 0x00 213 #define KEY_ERROR 0x01 214 215 #define KEY_PRESS 0 216 #define KEY_RELEASE 0x400 217 #define KEY_INDEX(c) ((c) & 0xFF) 218 219 #define SCAN_PRESS 0 220 #define SCAN_RELEASE 0x80 221 #define SCAN_PREFIX_E0 0x100 222 #define SCAN_PREFIX_E1 0x200 223 #define SCAN_PREFIX_CTL 0x400 224 #define SCAN_PREFIX_SHIFT 0x800 225 #define SCAN_PREFIX (SCAN_PREFIX_E0 | SCAN_PREFIX_E1 | \ 226 SCAN_PREFIX_CTL | SCAN_PREFIX_SHIFT) 227 #define SCAN_CHAR(c) ((c) & 0x7f) 228 229 #define UKBD_LOCK() USB_MTX_LOCK(&Giant) 230 #define UKBD_UNLOCK() USB_MTX_UNLOCK(&Giant) 231 #define UKBD_LOCK_ASSERT() USB_MTX_ASSERT(&Giant, MA_OWNED) 232 233 #define NN 0 /* no translation */ 234 /* 235 * Translate USB keycodes to AT keyboard scancodes. 236 */ 237 /* 238 * FIXME: Mac USB keyboard generates: 239 * 0x53: keypad NumLock/Clear 240 * 0x66: Power 241 * 0x67: keypad = 242 * 0x68: F13 243 * 0x69: F14 244 * 0x6a: F15 245 * 246 * USB Apple Keyboard JIS generates: 247 * 0x90: Kana 248 * 0x91: Eisu 249 */ 250 static const uint8_t ukbd_trtab[256] = { 251 0, 0, 0, 0, 30, 48, 46, 32, /* 00 - 07 */ 252 18, 33, 34, 35, 23, 36, 37, 38, /* 08 - 0F */ 253 50, 49, 24, 25, 16, 19, 31, 20, /* 10 - 17 */ 254 22, 47, 17, 45, 21, 44, 2, 3, /* 18 - 1F */ 255 4, 5, 6, 7, 8, 9, 10, 11, /* 20 - 27 */ 256 28, 1, 14, 15, 57, 12, 13, 26, /* 28 - 2F */ 257 27, 43, 43, 39, 40, 41, 51, 52, /* 30 - 37 */ 258 53, 58, 59, 60, 61, 62, 63, 64, /* 38 - 3F */ 259 65, 66, 67, 68, 87, 88, 92, 70, /* 40 - 47 */ 260 104, 102, 94, 96, 103, 99, 101, 98, /* 48 - 4F */ 261 97, 100, 95, 69, 91, 55, 74, 78,/* 50 - 57 */ 262 89, 79, 80, 81, 75, 76, 77, 71, /* 58 - 5F */ 263 72, 73, 82, 83, 86, 107, 122, NN, /* 60 - 67 */ 264 NN, NN, NN, NN, NN, NN, NN, NN, /* 68 - 6F */ 265 NN, NN, NN, NN, 115, 108, 111, 113, /* 70 - 77 */ 266 109, 110, 112, 118, 114, 116, 117, 119, /* 78 - 7F */ 267 121, 120, NN, NN, NN, NN, NN, 123, /* 80 - 87 */ 268 124, 125, 126, 127, 128, NN, NN, NN, /* 88 - 8F */ 269 129, 130, NN, NN, NN, NN, NN, NN, /* 90 - 97 */ 270 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9F */ 271 NN, NN, NN, NN, NN, NN, NN, NN, /* A0 - A7 */ 272 NN, NN, NN, NN, NN, NN, NN, NN, /* A8 - AF */ 273 NN, NN, NN, NN, NN, NN, NN, NN, /* B0 - B7 */ 274 NN, NN, NN, NN, NN, NN, NN, NN, /* B8 - BF */ 275 NN, NN, NN, NN, NN, NN, NN, NN, /* C0 - C7 */ 276 NN, NN, NN, NN, NN, NN, NN, NN, /* C8 - CF */ 277 NN, NN, NN, NN, NN, NN, NN, NN, /* D0 - D7 */ 278 NN, NN, NN, NN, NN, NN, NN, NN, /* D8 - DF */ 279 29, 42, 56, 105, 90, 54, 93, 106, /* E0 - E7 */ 280 NN, NN, NN, NN, NN, NN, NN, NN, /* E8 - EF */ 281 NN, NN, NN, NN, NN, NN, NN, NN, /* F0 - F7 */ 282 NN, NN, NN, NN, NN, NN, NN, NN, /* F8 - FF */ 283 }; 284 285 static const uint8_t ukbd_boot_desc[] = { 286 0x05, 0x01, 0x09, 0x06, 0xa1, 287 0x01, 0x05, 0x07, 0x19, 0xe0, 288 0x29, 0xe7, 0x15, 0x00, 0x25, 289 0x01, 0x75, 0x01, 0x95, 0x08, 290 0x81, 0x02, 0x95, 0x01, 0x75, 291 0x08, 0x81, 0x01, 0x95, 0x03, 292 0x75, 0x01, 0x05, 0x08, 0x19, 293 0x01, 0x29, 0x03, 0x91, 0x02, 294 0x95, 0x05, 0x75, 0x01, 0x91, 295 0x01, 0x95, 0x06, 0x75, 0x08, 296 0x15, 0x00, 0x26, 0xff, 0x00, 297 0x05, 0x07, 0x19, 0x00, 0x2a, 298 0xff, 0x00, 0x81, 0x00, 0xc0 299 }; 300 301 /* prototypes */ 302 static void ukbd_timeout(void *); 303 static void ukbd_set_leds(struct ukbd_softc *, uint8_t); 304 static int ukbd_set_typematic(keyboard_t *, int); 305 #ifdef UKBD_EMULATE_ATSCANCODE 306 static uint32_t ukbd_atkeycode(int, const uint64_t *); 307 static int ukbd_key2scan(struct ukbd_softc *, int, const uint64_t *, int); 308 #endif 309 static uint32_t ukbd_read_char(keyboard_t *, int); 310 static void ukbd_clear_state(keyboard_t *); 311 static int ukbd_ioctl(keyboard_t *, u_long, caddr_t); 312 static int ukbd_enable(keyboard_t *); 313 static int ukbd_disable(keyboard_t *); 314 static void ukbd_interrupt(struct ukbd_softc *); 315 static void ukbd_event_keyinput(struct ukbd_softc *); 316 317 static device_probe_t ukbd_probe; 318 static device_attach_t ukbd_attach; 319 static device_detach_t ukbd_detach; 320 static device_resume_t ukbd_resume; 321 322 #ifdef EVDEV_SUPPORT 323 static evdev_event_t ukbd_ev_event; 324 325 static const struct evdev_methods ukbd_evdev_methods = { 326 .ev_event = ukbd_ev_event, 327 }; 328 #endif 329 330 static bool 331 ukbd_any_key_pressed(struct ukbd_softc *sc) 332 { 333 bool ret = false; 334 unsigned i; 335 336 for (i = 0; i != howmany(UKBD_NKEYCODE, 64); i++) 337 ret |= (sc->sc_odata.bitmap[i] != 0); 338 return (ret); 339 } 340 341 static bool 342 ukbd_any_key_valid(struct ukbd_softc *sc) 343 { 344 bool ret = false; 345 unsigned i; 346 347 for (i = 0; i != howmany(UKBD_NKEYCODE, 64); i++) 348 ret |= (sc->sc_loc_key_valid[i] != 0); 349 return (ret); 350 } 351 352 static bool 353 ukbd_is_modifier_key(uint32_t key) 354 { 355 356 return (key >= 0xe0 && key <= 0xe7); 357 } 358 359 static void 360 ukbd_start_timer(struct ukbd_softc *sc) 361 { 362 sbintime_t delay, now, prec; 363 364 now = sbinuptime(); 365 366 /* check if initial delay passed and fallback to key repeat delay */ 367 if (sc->sc_delay == 0) 368 sc->sc_delay = sc->sc_kbd.kb_delay2; 369 370 /* compute timeout */ 371 delay = SBT_1MS * sc->sc_delay; 372 sc->sc_co_basetime += delay; 373 374 /* check if we are running behind */ 375 if (sc->sc_co_basetime < now) 376 sc->sc_co_basetime = now; 377 378 /* This is rarely called, so prefer precision to efficiency. */ 379 prec = qmin(delay >> 7, SBT_1MS * 10); 380 usb_callout_reset_sbt(&sc->sc_callout, sc->sc_co_basetime, prec, 381 ukbd_timeout, sc, C_ABSOLUTE); 382 } 383 384 static void 385 ukbd_put_key(struct ukbd_softc *sc, uint32_t key) 386 { 387 388 UKBD_LOCK_ASSERT(); 389 390 DPRINTF("0x%02x (%d) %s\n", key, key, 391 (key & KEY_RELEASE) ? "released" : "pressed"); 392 393 #ifdef EVDEV_SUPPORT 394 if (evdev_rcpt_mask & EVDEV_RCPT_HW_KBD && sc->sc_evdev != NULL) 395 evdev_push_event(sc->sc_evdev, EV_KEY, 396 evdev_hid2key(KEY_INDEX(key)), !(key & KEY_RELEASE)); 397 if (sc->sc_evdev != NULL && evdev_is_grabbed(sc->sc_evdev)) 398 return; 399 #endif 400 401 if (sc->sc_inputs < UKBD_IN_BUF_SIZE) { 402 sc->sc_input[sc->sc_inputtail] = key; 403 ++(sc->sc_inputs); 404 ++(sc->sc_inputtail); 405 if (sc->sc_inputtail >= UKBD_IN_BUF_SIZE) { 406 sc->sc_inputtail = 0; 407 } 408 } else { 409 DPRINTF("input buffer is full\n"); 410 } 411 } 412 413 static void 414 ukbd_do_poll(struct ukbd_softc *sc, uint8_t wait) 415 { 416 417 UKBD_LOCK_ASSERT(); 418 KASSERT((sc->sc_flags & UKBD_FLAG_POLLING) != 0, 419 ("ukbd_do_poll called when not polling\n")); 420 DPRINTFN(2, "polling\n"); 421 422 if (USB_IN_POLLING_MODE_FUNC() == 0) { 423 /* 424 * In this context the kernel is polling for input, 425 * but the USB subsystem works in normal interrupt-driven 426 * mode, so we just wait on the USB threads to do the job. 427 * Note that we currently hold the Giant, but it's also used 428 * as the transfer mtx, so we must release it while waiting. 429 */ 430 while (sc->sc_inputs == 0) { 431 /* 432 * Give USB threads a chance to run. Note that 433 * kern_yield performs DROP_GIANT + PICKUP_GIANT. 434 */ 435 kern_yield(PRI_UNCHANGED); 436 if (!wait) 437 break; 438 } 439 return; 440 } 441 442 while (sc->sc_inputs == 0) { 443 usbd_transfer_poll(sc->sc_xfer, UKBD_N_TRANSFER); 444 445 /* Delay-optimised support for repetition of keys */ 446 if (ukbd_any_key_pressed(sc)) { 447 /* a key is pressed - need timekeeping */ 448 DELAY(1000); 449 450 /* 1 millisecond has passed */ 451 sc->sc_time_ms += 1; 452 } 453 454 ukbd_interrupt(sc); 455 456 if (!wait) 457 break; 458 } 459 } 460 461 static int32_t 462 ukbd_get_key(struct ukbd_softc *sc, uint8_t wait) 463 { 464 int32_t c; 465 466 UKBD_LOCK_ASSERT(); 467 KASSERT((USB_IN_POLLING_MODE_FUNC() == 0) || 468 (sc->sc_flags & UKBD_FLAG_POLLING) != 0, 469 ("not polling in kdb or panic\n")); 470 471 if (sc->sc_inputs == 0 && 472 (sc->sc_flags & UKBD_FLAG_GONE) == 0) { 473 /* start transfer, if not already started */ 474 usbd_transfer_start(sc->sc_xfer[UKBD_INTR_DT_0]); 475 usbd_transfer_start(sc->sc_xfer[UKBD_INTR_DT_1]); 476 } 477 478 if (sc->sc_flags & UKBD_FLAG_POLLING) 479 ukbd_do_poll(sc, wait); 480 481 if (sc->sc_inputs == 0) { 482 c = -1; 483 } else { 484 c = sc->sc_input[sc->sc_inputhead]; 485 --(sc->sc_inputs); 486 ++(sc->sc_inputhead); 487 if (sc->sc_inputhead >= UKBD_IN_BUF_SIZE) { 488 sc->sc_inputhead = 0; 489 } 490 } 491 return (c); 492 } 493 494 static void 495 ukbd_interrupt(struct ukbd_softc *sc) 496 { 497 const uint32_t now = sc->sc_time_ms; 498 unsigned key; 499 500 UKBD_LOCK_ASSERT(); 501 502 /* Check for modifier key changes first */ 503 for (key = 0xe0; key != 0xe8; key++) { 504 const uint64_t mask = 1ULL << (key % 64); 505 const uint64_t delta = 506 sc->sc_odata.bitmap[key / 64] ^ 507 sc->sc_ndata.bitmap[key / 64]; 508 509 if (delta & mask) { 510 if (sc->sc_odata.bitmap[key / 64] & mask) 511 ukbd_put_key(sc, key | KEY_RELEASE); 512 else 513 ukbd_put_key(sc, key | KEY_PRESS); 514 } 515 } 516 517 /* Check for key changes */ 518 for (key = 0; key != UKBD_NKEYCODE; key++) { 519 const uint64_t mask = 1ULL << (key % 64); 520 const uint64_t delta = 521 sc->sc_odata.bitmap[key / 64] ^ 522 sc->sc_ndata.bitmap[key / 64]; 523 524 if (mask == 1 && delta == 0) { 525 key += 63; 526 continue; /* skip empty areas */ 527 } else if (ukbd_is_modifier_key(key)) { 528 continue; 529 } else if (delta & mask) { 530 if (sc->sc_odata.bitmap[key / 64] & mask) { 531 ukbd_put_key(sc, key | KEY_RELEASE); 532 533 /* clear repeating key, if any */ 534 if (sc->sc_repeat_key == key) 535 sc->sc_repeat_key = 0; 536 } else { 537 ukbd_put_key(sc, key | KEY_PRESS); 538 539 sc->sc_co_basetime = sbinuptime(); 540 sc->sc_delay = sc->sc_kbd.kb_delay1; 541 ukbd_start_timer(sc); 542 543 /* set repeat time for last key */ 544 sc->sc_repeat_time = now + sc->sc_kbd.kb_delay1; 545 sc->sc_repeat_key = key; 546 } 547 } 548 } 549 550 /* synchronize old data with new data */ 551 sc->sc_odata = sc->sc_ndata; 552 553 /* check if last key is still pressed */ 554 if (sc->sc_repeat_key != 0) { 555 const int32_t dtime = (sc->sc_repeat_time - now); 556 557 /* check if time has elapsed */ 558 if (dtime <= 0) { 559 ukbd_put_key(sc, sc->sc_repeat_key | KEY_PRESS); 560 sc->sc_repeat_time = now + sc->sc_kbd.kb_delay2; 561 } 562 } 563 564 #ifdef EVDEV_SUPPORT 565 if (evdev_rcpt_mask & EVDEV_RCPT_HW_KBD && sc->sc_evdev != NULL) 566 evdev_sync(sc->sc_evdev); 567 if (sc->sc_evdev != NULL && evdev_is_grabbed(sc->sc_evdev)) 568 return; 569 #endif 570 571 /* wakeup keyboard system */ 572 ukbd_event_keyinput(sc); 573 } 574 575 static void 576 ukbd_event_keyinput(struct ukbd_softc *sc) 577 { 578 int c; 579 580 UKBD_LOCK_ASSERT(); 581 582 if ((sc->sc_flags & UKBD_FLAG_POLLING) != 0) 583 return; 584 585 if (sc->sc_inputs == 0) 586 return; 587 588 if (KBD_IS_ACTIVE(&sc->sc_kbd) && 589 KBD_IS_BUSY(&sc->sc_kbd)) { 590 /* let the callback function process the input */ 591 (sc->sc_kbd.kb_callback.kc_func) (&sc->sc_kbd, KBDIO_KEYINPUT, 592 sc->sc_kbd.kb_callback.kc_arg); 593 } else { 594 /* read and discard the input, no one is waiting for it */ 595 do { 596 c = ukbd_read_char(&sc->sc_kbd, 0); 597 } while (c != NOKEY); 598 } 599 } 600 601 static void 602 ukbd_timeout(void *arg) 603 { 604 struct ukbd_softc *sc = arg; 605 606 UKBD_LOCK_ASSERT(); 607 608 sc->sc_time_ms += sc->sc_delay; 609 sc->sc_delay = 0; 610 611 ukbd_interrupt(sc); 612 613 /* Make sure any leftover key events gets read out */ 614 ukbd_event_keyinput(sc); 615 616 if (ukbd_any_key_pressed(sc) || (sc->sc_inputs != 0)) { 617 ukbd_start_timer(sc); 618 } 619 } 620 621 static uint32_t 622 ukbd_apple_fn(uint32_t keycode) 623 { 624 switch (keycode) { 625 case 0x28: return 0x49; /* RETURN -> INSERT */ 626 case 0x2a: return 0x4c; /* BACKSPACE -> DEL */ 627 case 0x50: return 0x4a; /* LEFT ARROW -> HOME */ 628 case 0x4f: return 0x4d; /* RIGHT ARROW -> END */ 629 case 0x52: return 0x4b; /* UP ARROW -> PGUP */ 630 case 0x51: return 0x4e; /* DOWN ARROW -> PGDN */ 631 default: return keycode; 632 } 633 } 634 635 static uint32_t 636 ukbd_apple_swap(uint32_t keycode) 637 { 638 switch (keycode) { 639 case 0x35: return 0x64; 640 case 0x64: return 0x35; 641 default: return keycode; 642 } 643 } 644 645 static void 646 ukbd_intr_callback(struct usb_xfer *xfer, usb_error_t error) 647 { 648 struct ukbd_softc *sc = usbd_xfer_softc(xfer); 649 struct usb_page_cache *pc; 650 uint32_t i; 651 uint8_t id; 652 uint8_t modifiers; 653 int offset; 654 int len; 655 656 UKBD_LOCK_ASSERT(); 657 658 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 659 pc = usbd_xfer_get_frame(xfer, 0); 660 661 switch (USB_GET_STATE(xfer)) { 662 case USB_ST_TRANSFERRED: 663 DPRINTF("actlen=%d bytes\n", len); 664 665 if (len == 0) { 666 DPRINTF("zero length data\n"); 667 goto tr_setup; 668 } 669 670 if (sc->sc_kbd_id != 0) { 671 /* check and remove HID ID byte */ 672 usbd_copy_out(pc, 0, &id, 1); 673 offset = 1; 674 len--; 675 if (len == 0) { 676 DPRINTF("zero length data\n"); 677 goto tr_setup; 678 } 679 } else { 680 offset = 0; 681 id = 0; 682 } 683 684 if (len > UKBD_BUFFER_SIZE) 685 len = UKBD_BUFFER_SIZE; 686 687 /* get data */ 688 usbd_copy_out(pc, offset, sc->sc_buffer, len); 689 690 /* clear temporary storage */ 691 memset(&sc->sc_ndata, 0, sizeof(sc->sc_ndata)); 692 693 /* clear modifiers */ 694 modifiers = 0; 695 696 /* scan through HID data */ 697 if ((sc->sc_flags & UKBD_FLAG_APPLE_EJECT) && 698 (id == sc->sc_id_apple_eject)) { 699 if (hid_get_data(sc->sc_buffer, len, &sc->sc_loc_apple_eject)) 700 modifiers |= MOD_EJECT; 701 } 702 if ((sc->sc_flags & UKBD_FLAG_APPLE_FN) && 703 (id == sc->sc_id_apple_fn)) { 704 if (hid_get_data(sc->sc_buffer, len, &sc->sc_loc_apple_fn)) 705 modifiers |= MOD_FN; 706 } 707 708 for (i = 0; i != UKBD_NKEYCODE; i++) { 709 const uint64_t valid = sc->sc_loc_key_valid[i / 64]; 710 const uint64_t mask = 1ULL << (i % 64); 711 712 if (mask == 1 && valid == 0) { 713 i += 63; 714 continue; /* skip empty areas */ 715 } else if (~valid & mask) { 716 continue; /* location is not valid */ 717 } else if (id != sc->sc_id_loc_key[i]) { 718 continue; /* invalid HID ID */ 719 } else if (i == 0) { 720 struct hid_location tmp_loc = sc->sc_loc_key[0]; 721 /* range check array size */ 722 if (tmp_loc.count > UKBD_NKEYCODE) 723 tmp_loc.count = UKBD_NKEYCODE; 724 while (tmp_loc.count--) { 725 uint32_t key = 726 hid_get_udata(sc->sc_buffer, len, &tmp_loc); 727 /* advance to next location */ 728 tmp_loc.pos += tmp_loc.size; 729 if (key == KEY_ERROR) { 730 DPRINTF("KEY_ERROR\n"); 731 sc->sc_ndata = sc->sc_odata; 732 goto tr_setup; /* ignore */ 733 } 734 if (modifiers & MOD_FN) 735 key = ukbd_apple_fn(key); 736 if (sc->sc_flags & UKBD_FLAG_APPLE_SWAP) 737 key = ukbd_apple_swap(key); 738 if (key == KEY_NONE || key >= UKBD_NKEYCODE) 739 continue; 740 /* set key in bitmap */ 741 sc->sc_ndata.bitmap[key / 64] |= 1ULL << (key % 64); 742 } 743 } else if (hid_get_data(sc->sc_buffer, len, &sc->sc_loc_key[i])) { 744 uint32_t key = i; 745 746 if (modifiers & MOD_FN) 747 key = ukbd_apple_fn(key); 748 if (sc->sc_flags & UKBD_FLAG_APPLE_SWAP) 749 key = ukbd_apple_swap(key); 750 if (key == KEY_NONE || key == KEY_ERROR || key >= UKBD_NKEYCODE) 751 continue; 752 /* set key in bitmap */ 753 sc->sc_ndata.bitmap[key / 64] |= 1ULL << (key % 64); 754 } 755 } 756 #ifdef USB_DEBUG 757 DPRINTF("modifiers = 0x%04x\n", modifiers); 758 for (i = 0; i != UKBD_NKEYCODE; i++) { 759 const uint64_t valid = sc->sc_ndata.bitmap[i / 64]; 760 const uint64_t mask = 1ULL << (i % 64); 761 762 if (valid & mask) 763 DPRINTF("Key 0x%02x pressed\n", i); 764 } 765 #endif 766 ukbd_interrupt(sc); 767 768 case USB_ST_SETUP: 769 tr_setup: 770 if (sc->sc_inputs < UKBD_IN_BUF_FULL) { 771 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 772 usbd_transfer_submit(xfer); 773 } else { 774 DPRINTF("input queue is full!\n"); 775 } 776 break; 777 778 default: /* Error */ 779 DPRINTF("error=%s\n", usbd_errstr(error)); 780 781 if (error != USB_ERR_CANCELLED) { 782 /* try to clear stall first */ 783 usbd_xfer_set_stall(xfer); 784 goto tr_setup; 785 } 786 break; 787 } 788 } 789 790 static void 791 ukbd_set_leds_callback(struct usb_xfer *xfer, usb_error_t error) 792 { 793 struct ukbd_softc *sc = usbd_xfer_softc(xfer); 794 struct usb_device_request req; 795 struct usb_page_cache *pc; 796 uint8_t id; 797 uint8_t any; 798 int len; 799 800 UKBD_LOCK_ASSERT(); 801 802 #ifdef USB_DEBUG 803 if (ukbd_no_leds) 804 return; 805 #endif 806 807 switch (USB_GET_STATE(xfer)) { 808 case USB_ST_TRANSFERRED: 809 case USB_ST_SETUP: 810 if (!(sc->sc_flags & UKBD_FLAG_SET_LEDS)) 811 break; 812 sc->sc_flags &= ~UKBD_FLAG_SET_LEDS; 813 814 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 815 req.bRequest = UR_SET_REPORT; 816 USETW2(req.wValue, UHID_OUTPUT_REPORT, 0); 817 req.wIndex[0] = sc->sc_iface_no; 818 req.wIndex[1] = 0; 819 req.wLength[1] = 0; 820 821 memset(sc->sc_buffer, 0, UKBD_BUFFER_SIZE); 822 823 id = 0; 824 any = 0; 825 826 /* Assumption: All led bits must be in the same ID. */ 827 828 if (sc->sc_flags & UKBD_FLAG_NUMLOCK) { 829 if (sc->sc_leds & NLKED) { 830 hid_put_udata(sc->sc_buffer + 1, UKBD_BUFFER_SIZE - 1, 831 &sc->sc_loc_numlock, 1); 832 } 833 id = sc->sc_id_numlock; 834 any = 1; 835 } 836 837 if (sc->sc_flags & UKBD_FLAG_SCROLLLOCK) { 838 if (sc->sc_leds & SLKED) { 839 hid_put_udata(sc->sc_buffer + 1, UKBD_BUFFER_SIZE - 1, 840 &sc->sc_loc_scrolllock, 1); 841 } 842 id = sc->sc_id_scrolllock; 843 any = 1; 844 } 845 846 if (sc->sc_flags & UKBD_FLAG_CAPSLOCK) { 847 if (sc->sc_leds & CLKED) { 848 hid_put_udata(sc->sc_buffer + 1, UKBD_BUFFER_SIZE - 1, 849 &sc->sc_loc_capslock, 1); 850 } 851 id = sc->sc_id_capslock; 852 any = 1; 853 } 854 855 /* if no leds, nothing to do */ 856 if (!any) 857 break; 858 859 /* range check output report length */ 860 len = sc->sc_led_size; 861 if (len > (UKBD_BUFFER_SIZE - 1)) 862 len = (UKBD_BUFFER_SIZE - 1); 863 864 /* check if we need to prefix an ID byte */ 865 sc->sc_buffer[0] = id; 866 867 pc = usbd_xfer_get_frame(xfer, 1); 868 if (id != 0) { 869 len++; 870 usbd_copy_in(pc, 0, sc->sc_buffer, len); 871 } else { 872 usbd_copy_in(pc, 0, sc->sc_buffer + 1, len); 873 } 874 req.wLength[0] = len; 875 usbd_xfer_set_frame_len(xfer, 1, len); 876 877 DPRINTF("len=%d, id=%d\n", len, id); 878 879 /* setup control request last */ 880 pc = usbd_xfer_get_frame(xfer, 0); 881 usbd_copy_in(pc, 0, &req, sizeof(req)); 882 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 883 884 /* start data transfer */ 885 usbd_xfer_set_frames(xfer, 2); 886 usbd_transfer_submit(xfer); 887 break; 888 889 default: /* Error */ 890 DPRINTFN(1, "error=%s\n", usbd_errstr(error)); 891 break; 892 } 893 } 894 895 static const struct usb_config ukbd_config[UKBD_N_TRANSFER] = { 896 [UKBD_INTR_DT_0] = { 897 .type = UE_INTERRUPT, 898 .endpoint = UE_ADDR_ANY, 899 .direction = UE_DIR_IN, 900 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 901 .bufsize = 0, /* use wMaxPacketSize */ 902 .callback = &ukbd_intr_callback, 903 }, 904 905 [UKBD_INTR_DT_1] = { 906 .type = UE_INTERRUPT, 907 .endpoint = UE_ADDR_ANY, 908 .direction = UE_DIR_IN, 909 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 910 .bufsize = 0, /* use wMaxPacketSize */ 911 .callback = &ukbd_intr_callback, 912 }, 913 914 [UKBD_CTRL_LED] = { 915 .type = UE_CONTROL, 916 .endpoint = 0x00, /* Control pipe */ 917 .direction = UE_DIR_ANY, 918 .bufsize = sizeof(struct usb_device_request) + UKBD_BUFFER_SIZE, 919 .callback = &ukbd_set_leds_callback, 920 .timeout = 1000, /* 1 second */ 921 }, 922 }; 923 924 /* A match on these entries will load ukbd */ 925 static const STRUCT_USB_HOST_ID __used ukbd_devs[] = { 926 {USB_IFACE_CLASS(UICLASS_HID), 927 USB_IFACE_SUBCLASS(UISUBCLASS_BOOT), 928 USB_IFACE_PROTOCOL(UIPROTO_BOOT_KEYBOARD),}, 929 }; 930 931 static int 932 ukbd_probe(device_t dev) 933 { 934 keyboard_switch_t *sw = kbd_get_switch(UKBD_DRIVER_NAME); 935 struct usb_attach_arg *uaa = device_get_ivars(dev); 936 void *d_ptr; 937 int error; 938 uint16_t d_len; 939 940 UKBD_LOCK_ASSERT(); 941 DPRINTFN(11, "\n"); 942 943 if (sw == NULL) { 944 return (ENXIO); 945 } 946 if (uaa->usb_mode != USB_MODE_HOST) { 947 return (ENXIO); 948 } 949 950 if (uaa->info.bInterfaceClass != UICLASS_HID) 951 return (ENXIO); 952 953 if (usb_test_quirk(uaa, UQ_KBD_IGNORE)) 954 return (ENXIO); 955 956 if ((uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) && 957 (uaa->info.bInterfaceProtocol == UIPROTO_BOOT_KEYBOARD)) 958 return (BUS_PROBE_DEFAULT); 959 960 error = usbd_req_get_hid_desc(uaa->device, NULL, 961 &d_ptr, &d_len, M_TEMP, uaa->info.bIfaceIndex); 962 963 if (error) 964 return (ENXIO); 965 966 if (hid_is_keyboard(d_ptr, d_len)) { 967 if (hid_is_mouse(d_ptr, d_len)) { 968 /* 969 * NOTE: We currently don't support USB mouse 970 * and USB keyboard on the same USB endpoint. 971 * Let "ums" driver win. 972 */ 973 error = ENXIO; 974 } else { 975 error = BUS_PROBE_DEFAULT; 976 } 977 } else { 978 error = ENXIO; 979 } 980 free(d_ptr, M_TEMP); 981 return (error); 982 } 983 984 static void 985 ukbd_parse_hid(struct ukbd_softc *sc, const uint8_t *ptr, uint32_t len) 986 { 987 uint32_t flags; 988 uint32_t key; 989 990 /* reset detected bits */ 991 sc->sc_flags &= ~UKBD_FLAG_HID_MASK; 992 993 /* reset detected keys */ 994 memset(sc->sc_loc_key_valid, 0, sizeof(sc->sc_loc_key_valid)); 995 996 /* check if there is an ID byte */ 997 sc->sc_kbd_size = hid_report_size_max(ptr, len, 998 hid_input, &sc->sc_kbd_id); 999 1000 /* investigate if this is an Apple Keyboard */ 1001 if (hid_locate(ptr, len, 1002 HID_USAGE2(HUP_CONSUMER, HUG_APPLE_EJECT), 1003 hid_input, 0, &sc->sc_loc_apple_eject, &flags, 1004 &sc->sc_id_apple_eject)) { 1005 if (flags & HIO_VARIABLE) 1006 sc->sc_flags |= UKBD_FLAG_APPLE_EJECT | 1007 UKBD_FLAG_APPLE_SWAP; 1008 DPRINTFN(1, "Found Apple eject-key\n"); 1009 } 1010 if (hid_locate(ptr, len, 1011 HID_USAGE2(0xFFFF, 0x0003), 1012 hid_input, 0, &sc->sc_loc_apple_fn, &flags, 1013 &sc->sc_id_apple_fn)) { 1014 if (flags & HIO_VARIABLE) 1015 sc->sc_flags |= UKBD_FLAG_APPLE_FN; 1016 DPRINTFN(1, "Found Apple FN-key\n"); 1017 } 1018 1019 /* figure out event buffer */ 1020 if (hid_locate(ptr, len, 1021 HID_USAGE2(HUP_KEYBOARD, 0x00), 1022 hid_input, 0, &sc->sc_loc_key[0], &flags, 1023 &sc->sc_id_loc_key[0])) { 1024 if (flags & HIO_VARIABLE) { 1025 DPRINTFN(1, "Ignoring keyboard event control\n"); 1026 } else { 1027 sc->sc_loc_key_valid[0] |= 1; 1028 DPRINTFN(1, "Found keyboard event array\n"); 1029 } 1030 } 1031 1032 /* figure out the keys */ 1033 for (key = 1; key != UKBD_NKEYCODE; key++) { 1034 if (hid_locate(ptr, len, 1035 HID_USAGE2(HUP_KEYBOARD, key), 1036 hid_input, 0, &sc->sc_loc_key[key], &flags, 1037 &sc->sc_id_loc_key[key])) { 1038 if (flags & HIO_VARIABLE) { 1039 sc->sc_loc_key_valid[key / 64] |= 1040 1ULL << (key % 64); 1041 DPRINTFN(1, "Found key 0x%02x\n", key); 1042 } 1043 } 1044 } 1045 1046 /* figure out leds on keyboard */ 1047 sc->sc_led_size = hid_report_size_max(ptr, len, 1048 hid_output, NULL); 1049 1050 if (hid_locate(ptr, len, 1051 HID_USAGE2(HUP_LEDS, 0x01), 1052 hid_output, 0, &sc->sc_loc_numlock, &flags, 1053 &sc->sc_id_numlock)) { 1054 if (flags & HIO_VARIABLE) 1055 sc->sc_flags |= UKBD_FLAG_NUMLOCK; 1056 DPRINTFN(1, "Found keyboard numlock\n"); 1057 } 1058 if (hid_locate(ptr, len, 1059 HID_USAGE2(HUP_LEDS, 0x02), 1060 hid_output, 0, &sc->sc_loc_capslock, &flags, 1061 &sc->sc_id_capslock)) { 1062 if (flags & HIO_VARIABLE) 1063 sc->sc_flags |= UKBD_FLAG_CAPSLOCK; 1064 DPRINTFN(1, "Found keyboard capslock\n"); 1065 } 1066 if (hid_locate(ptr, len, 1067 HID_USAGE2(HUP_LEDS, 0x03), 1068 hid_output, 0, &sc->sc_loc_scrolllock, &flags, 1069 &sc->sc_id_scrolllock)) { 1070 if (flags & HIO_VARIABLE) 1071 sc->sc_flags |= UKBD_FLAG_SCROLLLOCK; 1072 DPRINTFN(1, "Found keyboard scrolllock\n"); 1073 } 1074 } 1075 1076 static int 1077 ukbd_attach(device_t dev) 1078 { 1079 struct ukbd_softc *sc = device_get_softc(dev); 1080 struct usb_attach_arg *uaa = device_get_ivars(dev); 1081 int unit = device_get_unit(dev); 1082 keyboard_t *kbd = &sc->sc_kbd; 1083 void *hid_ptr = NULL; 1084 usb_error_t err; 1085 uint16_t n; 1086 uint16_t hid_len; 1087 #ifdef EVDEV_SUPPORT 1088 struct evdev_dev *evdev; 1089 int i; 1090 #endif 1091 #ifdef USB_DEBUG 1092 int rate; 1093 #endif 1094 UKBD_LOCK_ASSERT(); 1095 1096 kbd_init_struct(kbd, UKBD_DRIVER_NAME, KB_OTHER, unit, 0, 0, 0); 1097 1098 kbd->kb_data = (void *)sc; 1099 1100 device_set_usb_desc(dev); 1101 1102 sc->sc_udev = uaa->device; 1103 sc->sc_iface = uaa->iface; 1104 sc->sc_iface_index = uaa->info.bIfaceIndex; 1105 sc->sc_iface_no = uaa->info.bIfaceNum; 1106 sc->sc_mode = K_XLATE; 1107 1108 usb_callout_init_mtx(&sc->sc_callout, &Giant, 0); 1109 1110 #ifdef UKBD_NO_POLLING 1111 err = usbd_transfer_setup(uaa->device, 1112 &uaa->info.bIfaceIndex, sc->sc_xfer, ukbd_config, 1113 UKBD_N_TRANSFER, sc, &Giant); 1114 #else 1115 /* 1116 * Setup the UKBD USB transfers one by one, so they are memory 1117 * independent which allows for handling panics triggered by 1118 * the keyboard driver itself, typically via CTRL+ALT+ESC 1119 * sequences. Or if the USB keyboard driver was processing a 1120 * key at the moment of panic. 1121 */ 1122 for (n = 0; n != UKBD_N_TRANSFER; n++) { 1123 err = usbd_transfer_setup(uaa->device, 1124 &uaa->info.bIfaceIndex, sc->sc_xfer + n, ukbd_config + n, 1125 1, sc, &Giant); 1126 if (err) 1127 break; 1128 } 1129 #endif 1130 1131 if (err) { 1132 DPRINTF("error=%s\n", usbd_errstr(err)); 1133 goto detach; 1134 } 1135 /* setup default keyboard maps */ 1136 1137 sc->sc_keymap = key_map; 1138 sc->sc_accmap = accent_map; 1139 for (n = 0; n < UKBD_NFKEY; n++) { 1140 sc->sc_fkeymap[n] = fkey_tab[n]; 1141 } 1142 1143 kbd_set_maps(kbd, &sc->sc_keymap, &sc->sc_accmap, 1144 sc->sc_fkeymap, UKBD_NFKEY); 1145 1146 KBD_FOUND_DEVICE(kbd); 1147 1148 ukbd_clear_state(kbd); 1149 1150 /* 1151 * FIXME: set the initial value for lock keys in "sc_state" 1152 * according to the BIOS data? 1153 */ 1154 KBD_PROBE_DONE(kbd); 1155 1156 /* get HID descriptor */ 1157 err = usbd_req_get_hid_desc(uaa->device, NULL, &hid_ptr, 1158 &hid_len, M_TEMP, uaa->info.bIfaceIndex); 1159 1160 if (err == 0) { 1161 DPRINTF("Parsing HID descriptor of %d bytes\n", 1162 (int)hid_len); 1163 1164 ukbd_parse_hid(sc, hid_ptr, hid_len); 1165 1166 free(hid_ptr, M_TEMP); 1167 } 1168 1169 /* check if we should use the boot protocol */ 1170 if (usb_test_quirk(uaa, UQ_KBD_BOOTPROTO) || 1171 (err != 0) || ukbd_any_key_valid(sc) == false) { 1172 DPRINTF("Forcing boot protocol\n"); 1173 1174 err = usbd_req_set_protocol(sc->sc_udev, NULL, 1175 sc->sc_iface_index, 0); 1176 1177 if (err != 0) { 1178 DPRINTF("Set protocol error=%s (ignored)\n", 1179 usbd_errstr(err)); 1180 } 1181 1182 ukbd_parse_hid(sc, ukbd_boot_desc, sizeof(ukbd_boot_desc)); 1183 } 1184 1185 /* ignore if SETIDLE fails, hence it is not crucial */ 1186 usbd_req_set_idle(sc->sc_udev, NULL, sc->sc_iface_index, 0, 0); 1187 1188 ukbd_ioctl(kbd, KDSETLED, (caddr_t)&sc->sc_state); 1189 1190 KBD_INIT_DONE(kbd); 1191 1192 if (kbd_register(kbd) < 0) { 1193 goto detach; 1194 } 1195 KBD_CONFIG_DONE(kbd); 1196 1197 ukbd_enable(kbd); 1198 1199 #ifdef KBD_INSTALL_CDEV 1200 if (kbd_attach(kbd)) { 1201 goto detach; 1202 } 1203 #endif 1204 1205 #ifdef EVDEV_SUPPORT 1206 evdev = evdev_alloc(); 1207 evdev_set_name(evdev, device_get_desc(dev)); 1208 evdev_set_phys(evdev, device_get_nameunit(dev)); 1209 evdev_set_id(evdev, BUS_USB, uaa->info.idVendor, 1210 uaa->info.idProduct, 0); 1211 evdev_set_serial(evdev, usb_get_serial(uaa->device)); 1212 evdev_set_methods(evdev, kbd, &ukbd_evdev_methods); 1213 evdev_support_event(evdev, EV_SYN); 1214 evdev_support_event(evdev, EV_KEY); 1215 if (sc->sc_flags & (UKBD_FLAG_NUMLOCK | UKBD_FLAG_CAPSLOCK | 1216 UKBD_FLAG_SCROLLLOCK)) 1217 evdev_support_event(evdev, EV_LED); 1218 evdev_support_event(evdev, EV_REP); 1219 1220 for (i = 0x00; i <= 0xFF; i++) 1221 evdev_support_key(evdev, evdev_hid2key(i)); 1222 if (sc->sc_flags & UKBD_FLAG_NUMLOCK) 1223 evdev_support_led(evdev, LED_NUML); 1224 if (sc->sc_flags & UKBD_FLAG_CAPSLOCK) 1225 evdev_support_led(evdev, LED_CAPSL); 1226 if (sc->sc_flags & UKBD_FLAG_SCROLLLOCK) 1227 evdev_support_led(evdev, LED_SCROLLL); 1228 1229 if (evdev_register_mtx(evdev, &Giant)) 1230 evdev_free(evdev); 1231 else 1232 sc->sc_evdev = evdev; 1233 #endif 1234 1235 sc->sc_flags |= UKBD_FLAG_ATTACHED; 1236 1237 if (bootverbose) { 1238 kbdd_diag(kbd, bootverbose); 1239 } 1240 1241 #ifdef USB_DEBUG 1242 /* check for polling rate override */ 1243 rate = ukbd_pollrate; 1244 if (rate > 0) { 1245 if (rate > 1000) 1246 rate = 1; 1247 else 1248 rate = 1000 / rate; 1249 1250 /* set new polling interval in ms */ 1251 usbd_xfer_set_interval(sc->sc_xfer[UKBD_INTR_DT_0], rate); 1252 usbd_xfer_set_interval(sc->sc_xfer[UKBD_INTR_DT_1], rate); 1253 } 1254 #endif 1255 /* start the keyboard */ 1256 usbd_transfer_start(sc->sc_xfer[UKBD_INTR_DT_0]); 1257 usbd_transfer_start(sc->sc_xfer[UKBD_INTR_DT_1]); 1258 1259 return (0); /* success */ 1260 1261 detach: 1262 ukbd_detach(dev); 1263 return (ENXIO); /* error */ 1264 } 1265 1266 static int 1267 ukbd_detach(device_t dev) 1268 { 1269 struct ukbd_softc *sc = device_get_softc(dev); 1270 int error; 1271 1272 UKBD_LOCK_ASSERT(); 1273 1274 DPRINTF("\n"); 1275 1276 sc->sc_flags |= UKBD_FLAG_GONE; 1277 1278 usb_callout_stop(&sc->sc_callout); 1279 1280 /* kill any stuck keys */ 1281 if (sc->sc_flags & UKBD_FLAG_ATTACHED) { 1282 /* stop receiving events from the USB keyboard */ 1283 usbd_transfer_stop(sc->sc_xfer[UKBD_INTR_DT_0]); 1284 usbd_transfer_stop(sc->sc_xfer[UKBD_INTR_DT_1]); 1285 1286 /* release all leftover keys, if any */ 1287 memset(&sc->sc_ndata, 0, sizeof(sc->sc_ndata)); 1288 1289 /* process releasing of all keys */ 1290 ukbd_interrupt(sc); 1291 } 1292 1293 ukbd_disable(&sc->sc_kbd); 1294 1295 #ifdef KBD_INSTALL_CDEV 1296 if (sc->sc_flags & UKBD_FLAG_ATTACHED) { 1297 error = kbd_detach(&sc->sc_kbd); 1298 if (error) { 1299 /* usb attach cannot return an error */ 1300 device_printf(dev, "WARNING: kbd_detach() " 1301 "returned non-zero! (ignored)\n"); 1302 } 1303 } 1304 #endif 1305 1306 #ifdef EVDEV_SUPPORT 1307 evdev_free(sc->sc_evdev); 1308 #endif 1309 1310 if (KBD_IS_CONFIGURED(&sc->sc_kbd)) { 1311 error = kbd_unregister(&sc->sc_kbd); 1312 if (error) { 1313 /* usb attach cannot return an error */ 1314 device_printf(dev, "WARNING: kbd_unregister() " 1315 "returned non-zero! (ignored)\n"); 1316 } 1317 } 1318 sc->sc_kbd.kb_flags = 0; 1319 1320 usbd_transfer_unsetup(sc->sc_xfer, UKBD_N_TRANSFER); 1321 1322 usb_callout_drain(&sc->sc_callout); 1323 1324 DPRINTF("%s: disconnected\n", 1325 device_get_nameunit(dev)); 1326 1327 return (0); 1328 } 1329 1330 static int 1331 ukbd_resume(device_t dev) 1332 { 1333 struct ukbd_softc *sc = device_get_softc(dev); 1334 1335 UKBD_LOCK_ASSERT(); 1336 1337 ukbd_clear_state(&sc->sc_kbd); 1338 1339 return (0); 1340 } 1341 1342 #ifdef EVDEV_SUPPORT 1343 static void 1344 ukbd_ev_event(struct evdev_dev *evdev, uint16_t type, uint16_t code, 1345 int32_t value) 1346 { 1347 keyboard_t *kbd = evdev_get_softc(evdev); 1348 1349 if (evdev_rcpt_mask & EVDEV_RCPT_HW_KBD && 1350 (type == EV_LED || type == EV_REP)) { 1351 mtx_lock(&Giant); 1352 kbd_ev_event(kbd, type, code, value); 1353 mtx_unlock(&Giant); 1354 } 1355 } 1356 #endif 1357 1358 /* early keyboard probe, not supported */ 1359 static int 1360 ukbd_configure(int flags) 1361 { 1362 return (0); 1363 } 1364 1365 /* detect a keyboard, not used */ 1366 static int 1367 ukbd__probe(int unit, void *arg, int flags) 1368 { 1369 return (ENXIO); 1370 } 1371 1372 /* reset and initialize the device, not used */ 1373 static int 1374 ukbd_init(int unit, keyboard_t **kbdp, void *arg, int flags) 1375 { 1376 return (ENXIO); 1377 } 1378 1379 /* test the interface to the device, not used */ 1380 static int 1381 ukbd_test_if(keyboard_t *kbd) 1382 { 1383 return (0); 1384 } 1385 1386 /* finish using this keyboard, not used */ 1387 static int 1388 ukbd_term(keyboard_t *kbd) 1389 { 1390 return (ENXIO); 1391 } 1392 1393 /* keyboard interrupt routine, not used */ 1394 static int 1395 ukbd_intr(keyboard_t *kbd, void *arg) 1396 { 1397 return (0); 1398 } 1399 1400 /* lock the access to the keyboard, not used */ 1401 static int 1402 ukbd_lock(keyboard_t *kbd, int lock) 1403 { 1404 return (1); 1405 } 1406 1407 /* 1408 * Enable the access to the device; until this function is called, 1409 * the client cannot read from the keyboard. 1410 */ 1411 static int 1412 ukbd_enable(keyboard_t *kbd) 1413 { 1414 1415 UKBD_LOCK(); 1416 KBD_ACTIVATE(kbd); 1417 UKBD_UNLOCK(); 1418 1419 return (0); 1420 } 1421 1422 /* disallow the access to the device */ 1423 static int 1424 ukbd_disable(keyboard_t *kbd) 1425 { 1426 1427 UKBD_LOCK(); 1428 KBD_DEACTIVATE(kbd); 1429 UKBD_UNLOCK(); 1430 1431 return (0); 1432 } 1433 1434 /* check if data is waiting */ 1435 /* Currently unused. */ 1436 static int 1437 ukbd_check(keyboard_t *kbd) 1438 { 1439 struct ukbd_softc *sc = kbd->kb_data; 1440 1441 UKBD_LOCK_ASSERT(); 1442 1443 if (!KBD_IS_ACTIVE(kbd)) 1444 return (0); 1445 1446 if (sc->sc_flags & UKBD_FLAG_POLLING) 1447 ukbd_do_poll(sc, 0); 1448 1449 #ifdef UKBD_EMULATE_ATSCANCODE 1450 if (sc->sc_buffered_char[0]) { 1451 return (1); 1452 } 1453 #endif 1454 if (sc->sc_inputs > 0) { 1455 return (1); 1456 } 1457 return (0); 1458 } 1459 1460 /* check if char is waiting */ 1461 static int 1462 ukbd_check_char_locked(keyboard_t *kbd) 1463 { 1464 struct ukbd_softc *sc = kbd->kb_data; 1465 1466 UKBD_LOCK_ASSERT(); 1467 1468 if (!KBD_IS_ACTIVE(kbd)) 1469 return (0); 1470 1471 if ((sc->sc_composed_char > 0) && 1472 (!(sc->sc_flags & UKBD_FLAG_COMPOSE))) { 1473 return (1); 1474 } 1475 return (ukbd_check(kbd)); 1476 } 1477 1478 static int 1479 ukbd_check_char(keyboard_t *kbd) 1480 { 1481 int result; 1482 1483 UKBD_LOCK(); 1484 result = ukbd_check_char_locked(kbd); 1485 UKBD_UNLOCK(); 1486 1487 return (result); 1488 } 1489 1490 /* read one byte from the keyboard if it's allowed */ 1491 /* Currently unused. */ 1492 static int 1493 ukbd_read(keyboard_t *kbd, int wait) 1494 { 1495 struct ukbd_softc *sc = kbd->kb_data; 1496 int32_t usbcode; 1497 #ifdef UKBD_EMULATE_ATSCANCODE 1498 uint32_t keycode; 1499 uint32_t scancode; 1500 1501 #endif 1502 1503 UKBD_LOCK_ASSERT(); 1504 1505 if (!KBD_IS_ACTIVE(kbd)) 1506 return (-1); 1507 1508 #ifdef UKBD_EMULATE_ATSCANCODE 1509 if (sc->sc_buffered_char[0]) { 1510 scancode = sc->sc_buffered_char[0]; 1511 if (scancode & SCAN_PREFIX) { 1512 sc->sc_buffered_char[0] &= ~SCAN_PREFIX; 1513 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1); 1514 } 1515 sc->sc_buffered_char[0] = sc->sc_buffered_char[1]; 1516 sc->sc_buffered_char[1] = 0; 1517 return (scancode); 1518 } 1519 #endif /* UKBD_EMULATE_ATSCANCODE */ 1520 1521 /* XXX */ 1522 usbcode = ukbd_get_key(sc, (wait == FALSE) ? 0 : 1); 1523 if (!KBD_IS_ACTIVE(kbd) || (usbcode == -1)) 1524 return (-1); 1525 1526 ++(kbd->kb_count); 1527 1528 #ifdef UKBD_EMULATE_ATSCANCODE 1529 keycode = ukbd_atkeycode(usbcode, sc->sc_ndata.bitmap); 1530 if (keycode == NN) { 1531 return -1; 1532 } 1533 return (ukbd_key2scan(sc, keycode, sc->sc_ndata.bitmap, 1534 (usbcode & KEY_RELEASE))); 1535 #else /* !UKBD_EMULATE_ATSCANCODE */ 1536 return (usbcode); 1537 #endif /* UKBD_EMULATE_ATSCANCODE */ 1538 } 1539 1540 /* read char from the keyboard */ 1541 static uint32_t 1542 ukbd_read_char_locked(keyboard_t *kbd, int wait) 1543 { 1544 struct ukbd_softc *sc = kbd->kb_data; 1545 uint32_t action; 1546 uint32_t keycode; 1547 int32_t usbcode; 1548 #ifdef UKBD_EMULATE_ATSCANCODE 1549 uint32_t scancode; 1550 #endif 1551 1552 UKBD_LOCK_ASSERT(); 1553 1554 if (!KBD_IS_ACTIVE(kbd)) 1555 return (NOKEY); 1556 1557 next_code: 1558 1559 /* do we have a composed char to return ? */ 1560 1561 if ((sc->sc_composed_char > 0) && 1562 (!(sc->sc_flags & UKBD_FLAG_COMPOSE))) { 1563 action = sc->sc_composed_char; 1564 sc->sc_composed_char = 0; 1565 1566 if (action > 0xFF) { 1567 goto errkey; 1568 } 1569 goto done; 1570 } 1571 #ifdef UKBD_EMULATE_ATSCANCODE 1572 1573 /* do we have a pending raw scan code? */ 1574 1575 if (sc->sc_mode == K_RAW) { 1576 scancode = sc->sc_buffered_char[0]; 1577 if (scancode) { 1578 if (scancode & SCAN_PREFIX) { 1579 sc->sc_buffered_char[0] = (scancode & ~SCAN_PREFIX); 1580 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1); 1581 } 1582 sc->sc_buffered_char[0] = sc->sc_buffered_char[1]; 1583 sc->sc_buffered_char[1] = 0; 1584 return (scancode); 1585 } 1586 } 1587 #endif /* UKBD_EMULATE_ATSCANCODE */ 1588 1589 /* see if there is something in the keyboard port */ 1590 /* XXX */ 1591 usbcode = ukbd_get_key(sc, (wait == FALSE) ? 0 : 1); 1592 if (usbcode == -1) { 1593 return (NOKEY); 1594 } 1595 ++kbd->kb_count; 1596 1597 #ifdef UKBD_EMULATE_ATSCANCODE 1598 /* USB key index -> key code -> AT scan code */ 1599 keycode = ukbd_atkeycode(usbcode, sc->sc_ndata.bitmap); 1600 if (keycode == NN) { 1601 return (NOKEY); 1602 } 1603 /* return an AT scan code for the K_RAW mode */ 1604 if (sc->sc_mode == K_RAW) { 1605 return (ukbd_key2scan(sc, keycode, sc->sc_ndata.bitmap, 1606 (usbcode & KEY_RELEASE))); 1607 } 1608 #else /* !UKBD_EMULATE_ATSCANCODE */ 1609 1610 /* return the byte as is for the K_RAW mode */ 1611 if (sc->sc_mode == K_RAW) { 1612 return (usbcode); 1613 } 1614 /* USB key index -> key code */ 1615 keycode = ukbd_trtab[KEY_INDEX(usbcode)]; 1616 if (keycode == NN) { 1617 return (NOKEY); 1618 } 1619 #endif /* UKBD_EMULATE_ATSCANCODE */ 1620 1621 switch (keycode) { 1622 case 0x38: /* left alt (compose key) */ 1623 if (usbcode & KEY_RELEASE) { 1624 if (sc->sc_flags & UKBD_FLAG_COMPOSE) { 1625 sc->sc_flags &= ~UKBD_FLAG_COMPOSE; 1626 1627 if (sc->sc_composed_char > 0xFF) { 1628 sc->sc_composed_char = 0; 1629 } 1630 } 1631 } else { 1632 if (!(sc->sc_flags & UKBD_FLAG_COMPOSE)) { 1633 sc->sc_flags |= UKBD_FLAG_COMPOSE; 1634 sc->sc_composed_char = 0; 1635 } 1636 } 1637 break; 1638 } 1639 1640 /* return the key code in the K_CODE mode */ 1641 if (usbcode & KEY_RELEASE) { 1642 keycode |= SCAN_RELEASE; 1643 } 1644 if (sc->sc_mode == K_CODE) { 1645 return (keycode); 1646 } 1647 /* compose a character code */ 1648 if (sc->sc_flags & UKBD_FLAG_COMPOSE) { 1649 switch (keycode) { 1650 /* key pressed, process it */ 1651 case 0x47: 1652 case 0x48: 1653 case 0x49: /* keypad 7,8,9 */ 1654 sc->sc_composed_char *= 10; 1655 sc->sc_composed_char += keycode - 0x40; 1656 goto check_composed; 1657 1658 case 0x4B: 1659 case 0x4C: 1660 case 0x4D: /* keypad 4,5,6 */ 1661 sc->sc_composed_char *= 10; 1662 sc->sc_composed_char += keycode - 0x47; 1663 goto check_composed; 1664 1665 case 0x4F: 1666 case 0x50: 1667 case 0x51: /* keypad 1,2,3 */ 1668 sc->sc_composed_char *= 10; 1669 sc->sc_composed_char += keycode - 0x4E; 1670 goto check_composed; 1671 1672 case 0x52: /* keypad 0 */ 1673 sc->sc_composed_char *= 10; 1674 goto check_composed; 1675 1676 /* key released, no interest here */ 1677 case SCAN_RELEASE | 0x47: 1678 case SCAN_RELEASE | 0x48: 1679 case SCAN_RELEASE | 0x49: /* keypad 7,8,9 */ 1680 case SCAN_RELEASE | 0x4B: 1681 case SCAN_RELEASE | 0x4C: 1682 case SCAN_RELEASE | 0x4D: /* keypad 4,5,6 */ 1683 case SCAN_RELEASE | 0x4F: 1684 case SCAN_RELEASE | 0x50: 1685 case SCAN_RELEASE | 0x51: /* keypad 1,2,3 */ 1686 case SCAN_RELEASE | 0x52: /* keypad 0 */ 1687 goto next_code; 1688 1689 case 0x38: /* left alt key */ 1690 break; 1691 1692 default: 1693 if (sc->sc_composed_char > 0) { 1694 sc->sc_flags &= ~UKBD_FLAG_COMPOSE; 1695 sc->sc_composed_char = 0; 1696 goto errkey; 1697 } 1698 break; 1699 } 1700 } 1701 /* keycode to key action */ 1702 action = genkbd_keyaction(kbd, SCAN_CHAR(keycode), 1703 (keycode & SCAN_RELEASE), 1704 &sc->sc_state, &sc->sc_accents); 1705 if (action == NOKEY) { 1706 goto next_code; 1707 } 1708 done: 1709 return (action); 1710 1711 check_composed: 1712 if (sc->sc_composed_char <= 0xFF) { 1713 goto next_code; 1714 } 1715 errkey: 1716 return (ERRKEY); 1717 } 1718 1719 /* Currently wait is always false. */ 1720 static uint32_t 1721 ukbd_read_char(keyboard_t *kbd, int wait) 1722 { 1723 uint32_t keycode; 1724 1725 UKBD_LOCK(); 1726 keycode = ukbd_read_char_locked(kbd, wait); 1727 UKBD_UNLOCK(); 1728 1729 return (keycode); 1730 } 1731 1732 /* some useful control functions */ 1733 static int 1734 ukbd_ioctl_locked(keyboard_t *kbd, u_long cmd, caddr_t arg) 1735 { 1736 struct ukbd_softc *sc = kbd->kb_data; 1737 int i; 1738 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1739 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1740 int ival; 1741 1742 #endif 1743 1744 UKBD_LOCK_ASSERT(); 1745 1746 switch (cmd) { 1747 case KDGKBMODE: /* get keyboard mode */ 1748 *(int *)arg = sc->sc_mode; 1749 break; 1750 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1751 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1752 case _IO('K', 7): 1753 ival = IOCPARM_IVAL(arg); 1754 arg = (caddr_t)&ival; 1755 /* FALLTHROUGH */ 1756 #endif 1757 case KDSKBMODE: /* set keyboard mode */ 1758 switch (*(int *)arg) { 1759 case K_XLATE: 1760 if (sc->sc_mode != K_XLATE) { 1761 /* make lock key state and LED state match */ 1762 sc->sc_state &= ~LOCK_MASK; 1763 sc->sc_state |= KBD_LED_VAL(kbd); 1764 } 1765 /* FALLTHROUGH */ 1766 case K_RAW: 1767 case K_CODE: 1768 if (sc->sc_mode != *(int *)arg) { 1769 if ((sc->sc_flags & UKBD_FLAG_POLLING) == 0) 1770 ukbd_clear_state(kbd); 1771 sc->sc_mode = *(int *)arg; 1772 } 1773 break; 1774 default: 1775 return (EINVAL); 1776 } 1777 break; 1778 1779 case KDGETLED: /* get keyboard LED */ 1780 *(int *)arg = KBD_LED_VAL(kbd); 1781 break; 1782 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1783 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1784 case _IO('K', 66): 1785 ival = IOCPARM_IVAL(arg); 1786 arg = (caddr_t)&ival; 1787 /* FALLTHROUGH */ 1788 #endif 1789 case KDSETLED: /* set keyboard LED */ 1790 /* NOTE: lock key state in "sc_state" won't be changed */ 1791 if (*(int *)arg & ~LOCK_MASK) 1792 return (EINVAL); 1793 1794 i = *(int *)arg; 1795 1796 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */ 1797 if (sc->sc_mode == K_XLATE && 1798 kbd->kb_keymap->n_keys > ALTGR_OFFSET) { 1799 if (i & ALKED) 1800 i |= CLKED; 1801 else 1802 i &= ~CLKED; 1803 } 1804 if (KBD_HAS_DEVICE(kbd)) 1805 ukbd_set_leds(sc, i); 1806 1807 KBD_LED_VAL(kbd) = *(int *)arg; 1808 break; 1809 case KDGKBSTATE: /* get lock key state */ 1810 *(int *)arg = sc->sc_state & LOCK_MASK; 1811 break; 1812 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1813 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1814 case _IO('K', 20): 1815 ival = IOCPARM_IVAL(arg); 1816 arg = (caddr_t)&ival; 1817 /* FALLTHROUGH */ 1818 #endif 1819 case KDSKBSTATE: /* set lock key state */ 1820 if (*(int *)arg & ~LOCK_MASK) { 1821 return (EINVAL); 1822 } 1823 sc->sc_state &= ~LOCK_MASK; 1824 sc->sc_state |= *(int *)arg; 1825 1826 /* set LEDs and quit */ 1827 return (ukbd_ioctl(kbd, KDSETLED, arg)); 1828 1829 case KDSETREPEAT: /* set keyboard repeat rate (new 1830 * interface) */ 1831 if (!KBD_HAS_DEVICE(kbd)) { 1832 return (0); 1833 } 1834 /* 1835 * Convert negative, zero and tiny args to the same limits 1836 * as atkbd. We could support delays of 1 msec, but 1837 * anything much shorter than the shortest atkbd value 1838 * of 250.34 is almost unusable as well as incompatible. 1839 */ 1840 kbd->kb_delay1 = imax(((int *)arg)[0], 250); 1841 kbd->kb_delay2 = imax(((int *)arg)[1], 34); 1842 #ifdef EVDEV_SUPPORT 1843 if (sc->sc_evdev != NULL) 1844 evdev_push_repeats(sc->sc_evdev, kbd); 1845 #endif 1846 return (0); 1847 1848 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ 1849 defined(COMPAT_FREEBSD4) || defined(COMPAT_43) 1850 case _IO('K', 67): 1851 ival = IOCPARM_IVAL(arg); 1852 arg = (caddr_t)&ival; 1853 /* FALLTHROUGH */ 1854 #endif 1855 case KDSETRAD: /* set keyboard repeat rate (old 1856 * interface) */ 1857 return (ukbd_set_typematic(kbd, *(int *)arg)); 1858 1859 case PIO_KEYMAP: /* set keyboard translation table */ 1860 case OPIO_KEYMAP: /* set keyboard translation table 1861 * (compat) */ 1862 case PIO_KEYMAPENT: /* set keyboard translation table 1863 * entry */ 1864 case PIO_DEADKEYMAP: /* set accent key translation table */ 1865 sc->sc_accents = 0; 1866 /* FALLTHROUGH */ 1867 default: 1868 return (genkbd_commonioctl(kbd, cmd, arg)); 1869 } 1870 1871 return (0); 1872 } 1873 1874 static int 1875 ukbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) 1876 { 1877 int result; 1878 1879 /* 1880 * XXX Check if someone is calling us from a critical section: 1881 */ 1882 if (curthread->td_critnest != 0) 1883 return (EDEADLK); 1884 1885 /* 1886 * XXX KDGKBSTATE, KDSKBSTATE and KDSETLED can be called from any 1887 * context where printf(9) can be called, which among other things 1888 * includes interrupt filters and threads with any kinds of locks 1889 * already held. For this reason it would be dangerous to acquire 1890 * the Giant here unconditionally. On the other hand we have to 1891 * have it to handle the ioctl. 1892 * So we make our best effort to auto-detect whether we can grab 1893 * the Giant or not. Blame syscons(4) for this. 1894 */ 1895 switch (cmd) { 1896 case KDGKBSTATE: 1897 case KDSKBSTATE: 1898 case KDSETLED: 1899 if (!mtx_owned(&Giant) && !USB_IN_POLLING_MODE_FUNC()) 1900 return (EDEADLK); /* best I could come up with */ 1901 /* FALLTHROUGH */ 1902 default: 1903 UKBD_LOCK(); 1904 result = ukbd_ioctl_locked(kbd, cmd, arg); 1905 UKBD_UNLOCK(); 1906 return (result); 1907 } 1908 } 1909 1910 /* clear the internal state of the keyboard */ 1911 static void 1912 ukbd_clear_state(keyboard_t *kbd) 1913 { 1914 struct ukbd_softc *sc = kbd->kb_data; 1915 1916 UKBD_LOCK_ASSERT(); 1917 1918 sc->sc_flags &= ~(UKBD_FLAG_COMPOSE | UKBD_FLAG_POLLING); 1919 sc->sc_state &= LOCK_MASK; /* preserve locking key state */ 1920 sc->sc_accents = 0; 1921 sc->sc_composed_char = 0; 1922 #ifdef UKBD_EMULATE_ATSCANCODE 1923 sc->sc_buffered_char[0] = 0; 1924 sc->sc_buffered_char[1] = 0; 1925 #endif 1926 memset(&sc->sc_ndata, 0, sizeof(sc->sc_ndata)); 1927 memset(&sc->sc_odata, 0, sizeof(sc->sc_odata)); 1928 sc->sc_repeat_time = 0; 1929 sc->sc_repeat_key = 0; 1930 } 1931 1932 /* save the internal state, not used */ 1933 static int 1934 ukbd_get_state(keyboard_t *kbd, void *buf, size_t len) 1935 { 1936 return (len == 0) ? 1 : -1; 1937 } 1938 1939 /* set the internal state, not used */ 1940 static int 1941 ukbd_set_state(keyboard_t *kbd, void *buf, size_t len) 1942 { 1943 return (EINVAL); 1944 } 1945 1946 static int 1947 ukbd_poll(keyboard_t *kbd, int on) 1948 { 1949 struct ukbd_softc *sc = kbd->kb_data; 1950 1951 UKBD_LOCK(); 1952 /* 1953 * Keep a reference count on polling to allow recursive 1954 * cngrab() during a panic for example. 1955 */ 1956 if (on) 1957 sc->sc_polling++; 1958 else if (sc->sc_polling > 0) 1959 sc->sc_polling--; 1960 1961 if (sc->sc_polling != 0) { 1962 sc->sc_flags |= UKBD_FLAG_POLLING; 1963 sc->sc_poll_thread = curthread; 1964 } else { 1965 sc->sc_flags &= ~UKBD_FLAG_POLLING; 1966 sc->sc_delay = 0; 1967 } 1968 UKBD_UNLOCK(); 1969 1970 return (0); 1971 } 1972 1973 /* local functions */ 1974 1975 static void 1976 ukbd_set_leds(struct ukbd_softc *sc, uint8_t leds) 1977 { 1978 1979 UKBD_LOCK_ASSERT(); 1980 DPRINTF("leds=0x%02x\n", leds); 1981 1982 #ifdef EVDEV_SUPPORT 1983 if (sc->sc_evdev != NULL) 1984 evdev_push_leds(sc->sc_evdev, leds); 1985 #endif 1986 1987 sc->sc_leds = leds; 1988 sc->sc_flags |= UKBD_FLAG_SET_LEDS; 1989 1990 /* start transfer, if not already started */ 1991 1992 usbd_transfer_start(sc->sc_xfer[UKBD_CTRL_LED]); 1993 } 1994 1995 static int 1996 ukbd_set_typematic(keyboard_t *kbd, int code) 1997 { 1998 #ifdef EVDEV_SUPPORT 1999 struct ukbd_softc *sc = kbd->kb_data; 2000 #endif 2001 static const int delays[] = {250, 500, 750, 1000}; 2002 static const int rates[] = {34, 38, 42, 46, 50, 55, 59, 63, 2003 68, 76, 84, 92, 100, 110, 118, 126, 2004 136, 152, 168, 184, 200, 220, 236, 252, 2005 272, 304, 336, 368, 400, 440, 472, 504}; 2006 2007 if (code & ~0x7f) { 2008 return (EINVAL); 2009 } 2010 kbd->kb_delay1 = delays[(code >> 5) & 3]; 2011 kbd->kb_delay2 = rates[code & 0x1f]; 2012 #ifdef EVDEV_SUPPORT 2013 if (sc->sc_evdev != NULL) 2014 evdev_push_repeats(sc->sc_evdev, kbd); 2015 #endif 2016 return (0); 2017 } 2018 2019 #ifdef UKBD_EMULATE_ATSCANCODE 2020 static uint32_t 2021 ukbd_atkeycode(int usbcode, const uint64_t *bitmap) 2022 { 2023 uint32_t keycode; 2024 2025 keycode = ukbd_trtab[KEY_INDEX(usbcode)]; 2026 2027 /* 2028 * Translate Alt-PrintScreen to SysRq. 2029 * 2030 * Some or all AT keyboards connected through USB have already 2031 * mapped Alted PrintScreens to an unusual usbcode (0x8a). 2032 * ukbd_trtab translates this to 0x7e, and key2scan() would 2033 * translate that to 0x79 (Intl' 4). Assume that if we have 2034 * an Alted 0x7e here then it actually is an Alted PrintScreen. 2035 * 2036 * The usual usbcode for all PrintScreens is 0x46. ukbd_trtab 2037 * translates this to 0x5c, so the Alt check to classify 0x5c 2038 * is routine. 2039 */ 2040 if ((keycode == 0x5c || keycode == 0x7e) && 2041 (UKBD_KEY_PRESSED(bitmap, 0xe2 /* ALT-L */) || 2042 UKBD_KEY_PRESSED(bitmap, 0xe6 /* ALT-R */))) 2043 return (0x54); 2044 return (keycode); 2045 } 2046 2047 static int 2048 ukbd_key2scan(struct ukbd_softc *sc, int code, const uint64_t *bitmap, int up) 2049 { 2050 static const int scan[] = { 2051 /* 89 */ 2052 0x11c, /* Enter */ 2053 /* 90-99 */ 2054 0x11d, /* Ctrl-R */ 2055 0x135, /* Divide */ 2056 0x137, /* PrintScreen */ 2057 0x138, /* Alt-R */ 2058 0x147, /* Home */ 2059 0x148, /* Up */ 2060 0x149, /* PageUp */ 2061 0x14b, /* Left */ 2062 0x14d, /* Right */ 2063 0x14f, /* End */ 2064 /* 100-109 */ 2065 0x150, /* Down */ 2066 0x151, /* PageDown */ 2067 0x152, /* Insert */ 2068 0x153, /* Delete */ 2069 0x146, /* Pause/Break */ 2070 0x15b, /* Win_L(Super_L) */ 2071 0x15c, /* Win_R(Super_R) */ 2072 0x15d, /* Application(Menu) */ 2073 2074 /* SUN TYPE 6 USB KEYBOARD */ 2075 0x168, /* Sun Type 6 Help */ 2076 0x15e, /* Sun Type 6 Stop */ 2077 /* 110 - 119 */ 2078 0x15f, /* Sun Type 6 Again */ 2079 0x160, /* Sun Type 6 Props */ 2080 0x161, /* Sun Type 6 Undo */ 2081 0x162, /* Sun Type 6 Front */ 2082 0x163, /* Sun Type 6 Copy */ 2083 0x164, /* Sun Type 6 Open */ 2084 0x165, /* Sun Type 6 Paste */ 2085 0x166, /* Sun Type 6 Find */ 2086 0x167, /* Sun Type 6 Cut */ 2087 0x125, /* Sun Type 6 Mute */ 2088 /* 120 - 130 */ 2089 0x11f, /* Sun Type 6 VolumeDown */ 2090 0x11e, /* Sun Type 6 VolumeUp */ 2091 0x120, /* Sun Type 6 PowerDown */ 2092 2093 /* Japanese 106/109 keyboard */ 2094 0x73, /* Keyboard Intl' 1 (backslash / underscore) */ 2095 0x70, /* Keyboard Intl' 2 (Katakana / Hiragana) */ 2096 0x7d, /* Keyboard Intl' 3 (Yen sign) (Not using in jp106/109) */ 2097 0x79, /* Keyboard Intl' 4 (Henkan) */ 2098 0x7b, /* Keyboard Intl' 5 (Muhenkan) */ 2099 0x5c, /* Keyboard Intl' 6 (Keypad ,) (For PC-9821 layout) */ 2100 0x71, /* Apple Keyboard JIS (Kana) */ 2101 0x72, /* Apple Keyboard JIS (Eisu) */ 2102 }; 2103 2104 if ((code >= 89) && (code < (int)(89 + nitems(scan)))) { 2105 code = scan[code - 89]; 2106 } 2107 /* PrintScreen */ 2108 if (code == 0x137 && (!( 2109 UKBD_KEY_PRESSED(bitmap, 0xe0 /* CTRL-L */) || 2110 UKBD_KEY_PRESSED(bitmap, 0xe4 /* CTRL-R */) || 2111 UKBD_KEY_PRESSED(bitmap, 0xe1 /* SHIFT-L */) || 2112 UKBD_KEY_PRESSED(bitmap, 0xe5 /* SHIFT-R */)))) { 2113 code |= SCAN_PREFIX_SHIFT; 2114 } 2115 /* Pause/Break */ 2116 if ((code == 0x146) && (!( 2117 UKBD_KEY_PRESSED(bitmap, 0xe0 /* CTRL-L */) || 2118 UKBD_KEY_PRESSED(bitmap, 0xe4 /* CTRL-R */)))) { 2119 code = (0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL); 2120 } 2121 code |= (up ? SCAN_RELEASE : SCAN_PRESS); 2122 2123 if (code & SCAN_PREFIX) { 2124 if (code & SCAN_PREFIX_CTL) { 2125 /* Ctrl */ 2126 sc->sc_buffered_char[0] = (0x1d | (code & SCAN_RELEASE)); 2127 sc->sc_buffered_char[1] = (code & ~SCAN_PREFIX); 2128 } else if (code & SCAN_PREFIX_SHIFT) { 2129 /* Shift */ 2130 sc->sc_buffered_char[0] = (0x2a | (code & SCAN_RELEASE)); 2131 sc->sc_buffered_char[1] = (code & ~SCAN_PREFIX_SHIFT); 2132 } else { 2133 sc->sc_buffered_char[0] = (code & ~SCAN_PREFIX); 2134 sc->sc_buffered_char[1] = 0; 2135 } 2136 return ((code & SCAN_PREFIX_E0) ? 0xe0 : 0xe1); 2137 } 2138 return (code); 2139 2140 } 2141 2142 #endif /* UKBD_EMULATE_ATSCANCODE */ 2143 2144 static keyboard_switch_t ukbdsw = { 2145 .probe = &ukbd__probe, 2146 .init = &ukbd_init, 2147 .term = &ukbd_term, 2148 .intr = &ukbd_intr, 2149 .test_if = &ukbd_test_if, 2150 .enable = &ukbd_enable, 2151 .disable = &ukbd_disable, 2152 .read = &ukbd_read, 2153 .check = &ukbd_check, 2154 .read_char = &ukbd_read_char, 2155 .check_char = &ukbd_check_char, 2156 .ioctl = &ukbd_ioctl, 2157 .lock = &ukbd_lock, 2158 .clear_state = &ukbd_clear_state, 2159 .get_state = &ukbd_get_state, 2160 .set_state = &ukbd_set_state, 2161 .poll = &ukbd_poll, 2162 }; 2163 2164 KEYBOARD_DRIVER(ukbd, ukbdsw, ukbd_configure); 2165 2166 static int 2167 ukbd_driver_load(module_t mod, int what, void *arg) 2168 { 2169 switch (what) { 2170 case MOD_LOAD: 2171 kbd_add_driver(&ukbd_kbd_driver); 2172 break; 2173 case MOD_UNLOAD: 2174 kbd_delete_driver(&ukbd_kbd_driver); 2175 break; 2176 } 2177 return (0); 2178 } 2179 2180 static device_method_t ukbd_methods[] = { 2181 DEVMETHOD(device_probe, ukbd_probe), 2182 DEVMETHOD(device_attach, ukbd_attach), 2183 DEVMETHOD(device_detach, ukbd_detach), 2184 DEVMETHOD(device_resume, ukbd_resume), 2185 2186 DEVMETHOD_END 2187 }; 2188 2189 static driver_t ukbd_driver = { 2190 .name = "ukbd", 2191 .methods = ukbd_methods, 2192 .size = sizeof(struct ukbd_softc), 2193 }; 2194 2195 DRIVER_MODULE(ukbd, uhub, ukbd_driver, ukbd_driver_load, NULL); 2196 MODULE_DEPEND(ukbd, usb, 1, 1, 1); 2197 MODULE_DEPEND(ukbd, hid, 1, 1, 1); 2198 #ifdef EVDEV_SUPPORT 2199 MODULE_DEPEND(ukbd, evdev, 1, 1, 1); 2200 #endif 2201 MODULE_VERSION(ukbd, 1); 2202 USB_PNP_HOST_INFO(ukbd_devs);
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