ukbd.c revision 1.105
1 /* $NetBSD: ukbd.c,v 1.105 2009/11/12 19:58:27 dyoung Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.105 2009/11/12 19:58:27 dyoung Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/callout.h> 43 #include <sys/kernel.h> 44 #include <sys/device.h> 45 #include <sys/ioctl.h> 46 #include <sys/file.h> 47 #include <sys/select.h> 48 #include <sys/proc.h> 49 #include <sys/vnode.h> 50 #include <sys/poll.h> 51 52 #include <dev/usb/usb.h> 53 #include <dev/usb/usbhid.h> 54 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 #include <dev/usb/usb_quirks.h> 59 #include <dev/usb/uhidev.h> 60 #include <dev/usb/hid.h> 61 #include <dev/usb/ukbdvar.h> 62 63 #include <dev/wscons/wsconsio.h> 64 #include <dev/wscons/wskbdvar.h> 65 #include <dev/wscons/wsksymdef.h> 66 #include <dev/wscons/wsksymvar.h> 67 68 #include "opt_ukbd_layout.h" 69 #include "opt_wsdisplay_compat.h" 70 #include "opt_ddb.h" 71 72 #ifdef UKBD_DEBUG 73 #define DPRINTF(x) if (ukbddebug) logprintf x 74 #define DPRINTFN(n,x) if (ukbddebug>(n)) logprintf x 75 int ukbddebug = 0; 76 #else 77 #define DPRINTF(x) 78 #define DPRINTFN(n,x) 79 #endif 80 81 #define MAXKEYCODE 6 82 #define MAXMOD 8 /* max 32 */ 83 84 struct ukbd_data { 85 u_int32_t modifiers; 86 u_int8_t keycode[MAXKEYCODE]; 87 }; 88 89 #define PRESS 0x000 90 #define RELEASE 0x100 91 #define CODEMASK 0x0ff 92 93 #if defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) 94 #define NN 0 /* no translation */ 95 /* 96 * Translate USB keycodes to US keyboard XT scancodes. 97 * Scancodes >= 0x80 represent EXTENDED keycodes. 98 * 99 * See http://www.microsoft.com/whdc/archive/scancode.mspx 100 * 101 * Note: a real pckbd(4) has more complexity in it's 102 * protocol for some keys than this translation implements. 103 */ 104 Static const u_int8_t ukbd_trtab[256] = { 105 NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */ 106 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */ 107 0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */ 108 0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */ 109 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */ 110 0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */ 111 0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */ 112 0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */ 113 0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xb7, 0x46, /* 40 - 47 */ 114 0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */ 115 0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */ 116 0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */ 117 0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, NN, 0x59, /* 60 - 67 */ 118 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, NN, /* 68 - 6f */ 119 NN, NN, NN, NN, NN, NN, NN, NN, /* 70 - 77 */ 120 NN, NN, NN, NN, NN, NN, NN, NN, /* 78 - 7f */ 121 NN, NN, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */ 122 0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */ 123 NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */ 124 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */ 125 NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */ 126 NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */ 127 NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */ 128 NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */ 129 NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */ 130 NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */ 131 NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */ 132 NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */ 133 0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */ 134 NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */ 135 NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */ 136 NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */ 137 }; 138 #endif /* defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) */ 139 140 #define KEY_ERROR 0x01 141 142 #define MAXKEYS (MAXMOD+2*MAXKEYCODE) 143 144 struct ukbd_softc { 145 struct uhidev sc_hdev; 146 147 struct ukbd_data sc_ndata; 148 struct ukbd_data sc_odata; 149 struct hid_location sc_modloc[MAXMOD]; 150 u_int sc_nmod; 151 struct { 152 u_int32_t mask; 153 u_int8_t key; 154 } sc_mods[MAXMOD]; 155 156 struct hid_location sc_keycodeloc; 157 u_int sc_nkeycode; 158 159 char sc_enabled; 160 161 int sc_console_keyboard; /* we are the console keyboard */ 162 163 char sc_debounce; /* for quirk handling */ 164 usb_callout_t sc_delay; /* for quirk handling */ 165 struct ukbd_data sc_data; /* for quirk handling */ 166 167 struct hid_location sc_numloc; 168 struct hid_location sc_capsloc; 169 struct hid_location sc_scroloc; 170 int sc_leds; 171 #if defined(__NetBSD__) 172 device_t sc_wskbddev; 173 174 #if defined(WSDISPLAY_COMPAT_RAWKBD) 175 int sc_rawkbd; 176 #if defined(UKBD_REPEAT) 177 usb_callout_t sc_rawrepeat_ch; 178 #define REP_DELAY1 400 179 #define REP_DELAYN 100 180 int sc_nrep; 181 char sc_rep[MAXKEYS]; 182 #endif /* defined(UKBD_REPEAT) */ 183 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */ 184 185 int sc_spl; 186 int sc_polling; 187 int sc_npollchar; 188 u_int16_t sc_pollchars[MAXKEYS]; 189 #endif /* defined(__NetBSD__) */ 190 191 u_char sc_dying; 192 }; 193 194 #ifdef UKBD_DEBUG 195 #define UKBDTRACESIZE 64 196 struct ukbdtraceinfo { 197 int unit; 198 struct timeval tv; 199 struct ukbd_data ud; 200 }; 201 struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE]; 202 int ukbdtraceindex = 0; 203 int ukbdtrace = 0; 204 void ukbdtracedump(void); 205 void 206 ukbdtracedump(void) 207 { 208 int i; 209 for (i = 0; i < UKBDTRACESIZE; i++) { 210 struct ukbdtraceinfo *p = 211 &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE]; 212 printf("%"PRIu64".%06"PRIu64": mod=0x%02x key0=0x%02x key1=0x%02x " 213 "key2=0x%02x key3=0x%02x\n", 214 p->tv.tv_sec, (uint64_t)p->tv.tv_usec, 215 p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1], 216 p->ud.keycode[2], p->ud.keycode[3]); 217 } 218 } 219 #endif 220 221 #define UKBDUNIT(dev) (minor(dev)) 222 #define UKBD_CHUNK 128 /* chunk size for read */ 223 #define UKBD_BSIZE 1020 /* buffer size */ 224 225 Static int ukbd_is_console; 226 227 Static void ukbd_cngetc(void *, u_int *, int *); 228 Static void ukbd_cnpollc(void *, int); 229 230 #if defined(__NetBSD__) 231 const struct wskbd_consops ukbd_consops = { 232 ukbd_cngetc, 233 ukbd_cnpollc, 234 NULL, /* bell */ 235 }; 236 #endif 237 238 Static const char *ukbd_parse_desc(struct ukbd_softc *sc); 239 240 Static void ukbd_intr(struct uhidev *addr, void *ibuf, u_int len); 241 Static void ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud); 242 Static void ukbd_delayed_decode(void *addr); 243 244 Static int ukbd_enable(void *, int); 245 Static void ukbd_set_leds(void *, int); 246 247 #if defined(__NetBSD__) 248 Static int ukbd_ioctl(void *, u_long, void *, int, struct lwp *); 249 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 250 Static void ukbd_rawrepeat(void *v); 251 #endif 252 253 const struct wskbd_accessops ukbd_accessops = { 254 ukbd_enable, 255 ukbd_set_leds, 256 ukbd_ioctl, 257 }; 258 259 extern const struct wscons_keydesc ukbd_keydesctab[]; 260 261 const struct wskbd_mapdata ukbd_keymapdata = { 262 ukbd_keydesctab, 263 #if defined(UKBD_LAYOUT) 264 UKBD_LAYOUT, 265 #elif defined(PCKBD_LAYOUT) 266 PCKBD_LAYOUT, 267 #else 268 KB_US, 269 #endif 270 }; 271 #endif 272 273 static int ukbd_match(device_t, cfdata_t, void *); 274 static void ukbd_attach(device_t, device_t, void *); 275 static int ukbd_detach(device_t, int); 276 static int ukbd_activate(device_t, enum devact); 277 static void ukbd_childdet(device_t, device_t); 278 279 extern struct cfdriver ukbd_cd; 280 281 CFATTACH_DECL2_NEW(ukbd, sizeof(struct ukbd_softc), ukbd_match, ukbd_attach, 282 ukbd_detach, ukbd_activate, NULL, ukbd_childdet); 283 284 int 285 ukbd_match(device_t parent, cfdata_t match, void *aux) 286 { 287 struct uhidev_attach_arg *uha = aux; 288 int size; 289 void *desc; 290 291 uhidev_get_report_desc(uha->parent, &desc, &size); 292 if (!hid_is_collection(desc, size, uha->reportid, 293 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD))) 294 return (UMATCH_NONE); 295 296 return (UMATCH_IFACECLASS); 297 } 298 299 void 300 ukbd_attach(device_t parent, device_t self, void *aux) 301 { 302 struct ukbd_softc *sc = device_private(self); 303 struct uhidev_attach_arg *uha = aux; 304 u_int32_t qflags; 305 const char *parseerr; 306 #if defined(__NetBSD__) 307 struct wskbddev_attach_args a; 308 #else 309 int i; 310 #endif 311 312 sc->sc_hdev.sc_dev = self; 313 sc->sc_hdev.sc_intr = ukbd_intr; 314 sc->sc_hdev.sc_parent = uha->parent; 315 sc->sc_hdev.sc_report_id = uha->reportid; 316 317 if (!pmf_device_register(self, NULL, NULL)) { 318 aprint_normal("\n"); 319 aprint_error_dev(self, "couldn't establish power handler\n"); 320 } 321 322 parseerr = ukbd_parse_desc(sc); 323 if (parseerr != NULL) { 324 aprint_normal("\n"); 325 aprint_error_dev(self, "attach failed, %s\n", parseerr); 326 USB_ATTACH_ERROR_RETURN; 327 } 328 329 #ifdef DIAGNOSTIC 330 aprint_normal(": %d modifier keys, %d key codes", sc->sc_nmod, 331 sc->sc_nkeycode); 332 #endif 333 aprint_normal("\n"); 334 335 qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; 336 sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0; 337 338 /* 339 * Remember if we're the console keyboard. 340 * 341 * XXX This always picks the first keyboard on the 342 * first USB bus, but what else can we really do? 343 */ 344 if ((sc->sc_console_keyboard = ukbd_is_console) != 0) { 345 /* Don't let any other keyboard have it. */ 346 ukbd_is_console = 0; 347 } 348 349 if (sc->sc_console_keyboard) { 350 DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc)); 351 wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata); 352 ukbd_enable(sc, 1); 353 } 354 355 a.console = sc->sc_console_keyboard; 356 357 a.keymap = &ukbd_keymapdata; 358 359 a.accessops = &ukbd_accessops; 360 a.accesscookie = sc; 361 362 #ifdef UKBD_REPEAT 363 usb_callout_init(sc->sc_rawrepeat_ch); 364 #endif 365 366 usb_callout_init(sc->sc_delay); 367 368 /* Flash the leds; no real purpose, just shows we're alive. */ 369 ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS); 370 usbd_delay_ms(uha->parent->sc_udev, 400); 371 ukbd_set_leds(sc, 0); 372 373 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 374 375 USB_ATTACH_SUCCESS_RETURN; 376 } 377 378 int 379 ukbd_enable(void *v, int on) 380 { 381 struct ukbd_softc *sc = v; 382 383 if (on && sc->sc_dying) 384 return (EIO); 385 386 /* Should only be called to change state */ 387 if (sc->sc_enabled == on) { 388 #ifdef DIAGNOSTIC 389 printf("ukbd_enable: %s: bad call on=%d\n", 390 USBDEVNAME(sc->sc_hdev.sc_dev), on); 391 #endif 392 return (EBUSY); 393 } 394 395 DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on)); 396 sc->sc_enabled = on; 397 if (on) { 398 return (uhidev_open(&sc->sc_hdev)); 399 } else { 400 uhidev_close(&sc->sc_hdev); 401 return (0); 402 } 403 } 404 405 406 static void 407 ukbd_childdet(device_t self, device_t child) 408 { 409 struct ukbd_softc *sc = device_private(self); 410 411 KASSERT(sc->sc_wskbddev == child); 412 sc->sc_wskbddev = NULL; 413 } 414 415 int 416 ukbd_activate(device_t self, enum devact act) 417 { 418 struct ukbd_softc *sc = device_private(self); 419 420 switch (act) { 421 case DVACT_DEACTIVATE: 422 sc->sc_dying = 1; 423 return 0; 424 default: 425 return EOPNOTSUPP; 426 } 427 } 428 429 int 430 ukbd_detach(device_t self, int flags) 431 { 432 struct ukbd_softc *sc = device_private(self); 433 int rv = 0; 434 435 DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags)); 436 437 pmf_device_deregister(self); 438 439 if (sc->sc_console_keyboard) { 440 #if 0 441 /* 442 * XXX Should probably disconnect our consops, 443 * XXX and either notify some other keyboard that 444 * XXX it can now be the console, or if there aren't 445 * XXX any more USB keyboards, set ukbd_is_console 446 * XXX back to 1 so that the next USB keyboard attached 447 * XXX to the system will get it. 448 */ 449 panic("ukbd_detach: console keyboard"); 450 #else 451 /* 452 * Disconnect our consops and set ukbd_is_console 453 * back to 1 so that the next USB keyboard attached 454 * to the system will get it. 455 * XXX Should notify some other keyboard that it can be 456 * XXX console, if there are any other keyboards. 457 */ 458 printf("%s: was console keyboard\n", 459 USBDEVNAME(sc->sc_hdev.sc_dev)); 460 wskbd_cndetach(); 461 ukbd_is_console = 1; 462 #endif 463 } 464 /* No need to do reference counting of ukbd, wskbd has all the goo. */ 465 if (sc->sc_wskbddev != NULL) 466 rv = config_detach(sc->sc_wskbddev, flags); 467 468 /* The console keyboard does not get a disable call, so check pipe. */ 469 if (sc->sc_hdev.sc_state & UHIDEV_OPEN) 470 uhidev_close(&sc->sc_hdev); 471 472 return (rv); 473 } 474 475 void 476 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len) 477 { 478 struct ukbd_softc *sc = (struct ukbd_softc *)addr; 479 struct ukbd_data *ud = &sc->sc_ndata; 480 int i; 481 482 #ifdef UKBD_DEBUG 483 if (ukbddebug > 5) { 484 printf("ukbd_intr: data"); 485 for (i = 0; i < len; i++) 486 printf(" 0x%02x", ((u_char *)ibuf)[i]); 487 printf("\n"); 488 } 489 #endif 490 491 ud->modifiers = 0; 492 for (i = 0; i < sc->sc_nmod; i++) 493 if (hid_get_data(ibuf, &sc->sc_modloc[i])) 494 ud->modifiers |= sc->sc_mods[i].mask; 495 memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8, 496 sc->sc_nkeycode); 497 498 if (sc->sc_debounce && !sc->sc_polling) { 499 /* 500 * Some keyboards have a peculiar quirk. They sometimes 501 * generate a key up followed by a key down for the same 502 * key after about 10 ms. 503 * We avoid this bug by holding off decoding for 20 ms. 504 */ 505 sc->sc_data = *ud; 506 usb_callout(sc->sc_delay, hz / 50, ukbd_delayed_decode, sc); 507 #ifdef DDB 508 } else if (sc->sc_console_keyboard && !sc->sc_polling) { 509 /* 510 * For the console keyboard we can't deliver CTL-ALT-ESC 511 * from the interrupt routine. Doing so would start 512 * polling from inside the interrupt routine and that 513 * loses bigtime. 514 */ 515 sc->sc_data = *ud; 516 usb_callout(sc->sc_delay, 1, ukbd_delayed_decode, sc); 517 #endif 518 } else { 519 ukbd_decode(sc, ud); 520 } 521 } 522 523 void 524 ukbd_delayed_decode(void *addr) 525 { 526 struct ukbd_softc *sc = addr; 527 528 ukbd_decode(sc, &sc->sc_data); 529 } 530 531 void 532 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud) 533 { 534 int mod, omod; 535 u_int16_t ibuf[MAXKEYS]; /* chars events */ 536 int s; 537 int nkeys, i, j; 538 int key; 539 #define ADDKEY(c) ibuf[nkeys++] = (c) 540 541 #ifdef UKBD_DEBUG 542 /* 543 * Keep a trace of the last events. Using printf changes the 544 * timing, so this can be useful sometimes. 545 */ 546 if (ukbdtrace) { 547 struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex]; 548 p->unit = device_unit(sc->sc_hdev.sc_dev); 549 microtime(&p->tv); 550 p->ud = *ud; 551 if (++ukbdtraceindex >= UKBDTRACESIZE) 552 ukbdtraceindex = 0; 553 } 554 if (ukbddebug > 5) { 555 struct timeval tv; 556 microtime(&tv); 557 DPRINTF((" at %"PRIu64".%06"PRIu64" mod=0x%02x key0=0x%02x key1=0x%02x " 558 "key2=0x%02x key3=0x%02x\n", 559 tv.tv_sec, (uint64_t)tv.tv_usec, 560 ud->modifiers, ud->keycode[0], ud->keycode[1], 561 ud->keycode[2], ud->keycode[3])); 562 } 563 #endif 564 565 if (ud->keycode[0] == KEY_ERROR) { 566 DPRINTF(("ukbd_intr: KEY_ERROR\n")); 567 return; /* ignore */ 568 } 569 nkeys = 0; 570 mod = ud->modifiers; 571 omod = sc->sc_odata.modifiers; 572 if (mod != omod) 573 for (i = 0; i < sc->sc_nmod; i++) 574 if (( mod & sc->sc_mods[i].mask) != 575 (omod & sc->sc_mods[i].mask)) 576 ADDKEY(sc->sc_mods[i].key | 577 (mod & sc->sc_mods[i].mask 578 ? PRESS : RELEASE)); 579 if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) { 580 /* Check for released keys. */ 581 for (i = 0; i < sc->sc_nkeycode; i++) { 582 key = sc->sc_odata.keycode[i]; 583 if (key == 0) 584 continue; 585 for (j = 0; j < sc->sc_nkeycode; j++) 586 if (key == ud->keycode[j]) 587 goto rfound; 588 DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key)); 589 ADDKEY(key | RELEASE); 590 rfound: 591 ; 592 } 593 594 /* Check for pressed keys. */ 595 for (i = 0; i < sc->sc_nkeycode; i++) { 596 key = ud->keycode[i]; 597 if (key == 0) 598 continue; 599 for (j = 0; j < sc->sc_nkeycode; j++) 600 if (key == sc->sc_odata.keycode[j]) 601 goto pfound; 602 DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key)); 603 ADDKEY(key | PRESS); 604 pfound: 605 ; 606 } 607 } 608 sc->sc_odata = *ud; 609 610 if (nkeys == 0) 611 return; 612 613 if (sc->sc_polling) { 614 DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0])); 615 memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); 616 sc->sc_npollchar = nkeys; 617 return; 618 } 619 #ifdef WSDISPLAY_COMPAT_RAWKBD 620 if (sc->sc_rawkbd) { 621 u_char cbuf[MAXKEYS * 2]; 622 int c; 623 int npress; 624 625 for (npress = i = j = 0; i < nkeys; i++) { 626 key = ibuf[i]; 627 c = ukbd_trtab[key & CODEMASK]; 628 if (c == NN) 629 continue; 630 if (c == 0x7f) { 631 /* pause key */ 632 cbuf[j++] = 0xe1; 633 cbuf[j++] = 0x1d; 634 cbuf[j-1] |= (key & RELEASE) ? 0x80 : 0; 635 cbuf[j] = 0x45; 636 } else { 637 if (c & 0x80) 638 cbuf[j++] = 0xe0; 639 cbuf[j] = c & 0x7f; 640 } 641 if (key & RELEASE) 642 cbuf[j] |= 0x80; 643 #if defined(UKBD_REPEAT) 644 else { 645 /* remember pressed keys for autorepeat */ 646 if (c & 0x80) 647 sc->sc_rep[npress++] = 0xe0; 648 sc->sc_rep[npress++] = c & 0x7f; 649 } 650 #endif 651 DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n", 652 c & 0x80 ? "0xe0 " : "", 653 cbuf[j])); 654 j++; 655 } 656 s = spltty(); 657 wskbd_rawinput(sc->sc_wskbddev, cbuf, j); 658 splx(s); 659 #ifdef UKBD_REPEAT 660 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 661 if (npress != 0) { 662 sc->sc_nrep = npress; 663 usb_callout(sc->sc_rawrepeat_ch, 664 hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc); 665 } 666 #endif 667 return; 668 } 669 #endif 670 671 s = spltty(); 672 for (i = 0; i < nkeys; i++) { 673 key = ibuf[i]; 674 wskbd_input(sc->sc_wskbddev, 675 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 676 key&CODEMASK); 677 } 678 splx(s); 679 } 680 681 void 682 ukbd_set_leds(void *v, int leds) 683 { 684 struct ukbd_softc *sc = v; 685 u_int8_t res; 686 687 DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n", 688 sc, leds, sc->sc_leds)); 689 690 if (sc->sc_dying) 691 return; 692 693 if (sc->sc_leds == leds) 694 return; 695 sc->sc_leds = leds; 696 res = 0; 697 /* XXX not really right */ 698 if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1) 699 res |= 1 << sc->sc_scroloc.pos; 700 if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1) 701 res |= 1 << sc->sc_numloc.pos; 702 if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1) 703 res |= 1 << sc->sc_capsloc.pos; 704 uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1); 705 } 706 707 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 708 void 709 ukbd_rawrepeat(void *v) 710 { 711 struct ukbd_softc *sc = v; 712 int s; 713 714 s = spltty(); 715 wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep); 716 splx(s); 717 usb_callout(sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000, 718 ukbd_rawrepeat, sc); 719 } 720 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */ 721 722 int 723 ukbd_ioctl(void *v, u_long cmd, void *data, int flag, 724 struct lwp *l) 725 { 726 struct ukbd_softc *sc = v; 727 728 switch (cmd) { 729 case WSKBDIO_GTYPE: 730 *(int *)data = WSKBD_TYPE_USB; 731 return (0); 732 case WSKBDIO_SETLEDS: 733 ukbd_set_leds(v, *(int *)data); 734 return (0); 735 case WSKBDIO_GETLEDS: 736 *(int *)data = sc->sc_leds; 737 return (0); 738 #if defined(WSDISPLAY_COMPAT_RAWKBD) 739 case WSKBDIO_SETMODE: 740 DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data)); 741 sc->sc_rawkbd = *(int *)data == WSKBD_RAW; 742 #if defined(UKBD_REPEAT) 743 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 744 #endif 745 return (0); 746 #endif 747 } 748 return (EPASSTHROUGH); 749 } 750 751 /* 752 * This is a hack to work around some broken ports that don't call 753 * cnpollc() before cngetc(). 754 */ 755 static int pollenter, warned; 756 757 /* Console interface. */ 758 void 759 ukbd_cngetc(void *v, u_int *type, int *data) 760 { 761 struct ukbd_softc *sc = v; 762 int c; 763 int broken; 764 765 if (pollenter == 0) { 766 if (!warned) { 767 printf("\n" 768 "This port is broken, it does not call cnpollc() before calling cngetc().\n" 769 "This should be fixed, but it will work anyway (for now).\n"); 770 warned = 1; 771 } 772 broken = 1; 773 ukbd_cnpollc(v, 1); 774 } else 775 broken = 0; 776 777 DPRINTFN(0,("ukbd_cngetc: enter\n")); 778 sc->sc_polling = 1; 779 while(sc->sc_npollchar <= 0) 780 usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface); 781 sc->sc_polling = 0; 782 c = sc->sc_pollchars[0]; 783 sc->sc_npollchar--; 784 memcpy(sc->sc_pollchars, sc->sc_pollchars+1, 785 sc->sc_npollchar * sizeof(u_int16_t)); 786 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 787 *data = c & CODEMASK; 788 DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c)); 789 if (broken) 790 ukbd_cnpollc(v, 0); 791 } 792 793 void 794 ukbd_cnpollc(void *v, int on) 795 { 796 struct ukbd_softc *sc = v; 797 usbd_device_handle dev; 798 799 DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on)); 800 801 usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev); 802 if (on) { 803 sc->sc_spl = splusb(); 804 pollenter++; 805 } else { 806 splx(sc->sc_spl); 807 pollenter--; 808 } 809 usbd_set_polling(dev, on); 810 } 811 812 int 813 ukbd_cnattach(void) 814 { 815 816 /* 817 * XXX USB requires too many parts of the kernel to be running 818 * XXX in order to work, so we can't do much for the console 819 * XXX keyboard until autconfiguration has run its course. 820 */ 821 ukbd_is_console = 1; 822 return (0); 823 } 824 825 const char * 826 ukbd_parse_desc(struct ukbd_softc *sc) 827 { 828 struct hid_data *d; 829 struct hid_item h; 830 int size; 831 void *desc; 832 int imod; 833 834 uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size); 835 imod = 0; 836 sc->sc_nkeycode = 0; 837 d = hid_start_parse(desc, size, hid_input); 838 while (hid_get_item(d, &h)) { 839 /*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n", 840 h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/ 841 if (h.kind != hid_input || (h.flags & HIO_CONST) || 842 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 843 h.report_ID != sc->sc_hdev.sc_report_id) 844 continue; 845 DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d " 846 "cnt=%d\n", imod, 847 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); 848 if (h.flags & HIO_VARIABLE) { 849 if (h.loc.size != 1) 850 return ("bad modifier size"); 851 /* Single item */ 852 if (imod < MAXMOD) { 853 sc->sc_modloc[imod] = h.loc; 854 sc->sc_mods[imod].mask = 1 << imod; 855 sc->sc_mods[imod].key = HID_GET_USAGE(h.usage); 856 imod++; 857 } else 858 return ("too many modifier keys"); 859 } else { 860 /* Array */ 861 if (h.loc.size != 8) 862 return ("key code size != 8"); 863 if (h.loc.count > MAXKEYCODE) 864 return ("too many key codes"); 865 if (h.loc.pos % 8 != 0) 866 return ("key codes not on byte boundary"); 867 if (sc->sc_nkeycode != 0) 868 return ("multiple key code arrays\n"); 869 sc->sc_keycodeloc = h.loc; 870 sc->sc_nkeycode = h.loc.count; 871 } 872 } 873 sc->sc_nmod = imod; 874 hid_end_parse(d); 875 876 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK), 877 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL); 878 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK), 879 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL); 880 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK), 881 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL); 882 883 return (NULL); 884 } 885
Indexes created Fri Sep 26 20:09:58 GMT 2025