ukbd.c revision 1.92
1 /* $NetBSD: ukbd.c,v 1.92 2006/09/03 21:17:54 christos 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.92 2006/09/03 21:17:54 christos Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/callout.h> 50 #include <sys/kernel.h> 51 #include <sys/device.h> 52 #include <sys/ioctl.h> 53 #include <sys/tty.h> 54 #include <sys/file.h> 55 #include <sys/select.h> 56 #include <sys/proc.h> 57 #include <sys/vnode.h> 58 #include <sys/poll.h> 59 60 #include <dev/usb/usb.h> 61 #include <dev/usb/usbhid.h> 62 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdi_util.h> 65 #include <dev/usb/usbdevs.h> 66 #include <dev/usb/usb_quirks.h> 67 #include <dev/usb/uhidev.h> 68 #include <dev/usb/hid.h> 69 #include <dev/usb/ukbdvar.h> 70 71 #include <dev/wscons/wsconsio.h> 72 #include <dev/wscons/wskbdvar.h> 73 #include <dev/wscons/wsksymdef.h> 74 #include <dev/wscons/wsksymvar.h> 75 76 #include "opt_ukbd_layout.h" 77 #include "opt_wsdisplay_compat.h" 78 #include "opt_ddb.h" 79 80 #ifdef UKBD_DEBUG 81 #define DPRINTF(x) if (ukbddebug) logprintf x 82 #define DPRINTFN(n,x) if (ukbddebug>(n)) logprintf x 83 int ukbddebug = 0; 84 #else 85 #define DPRINTF(x) 86 #define DPRINTFN(n,x) 87 #endif 88 89 #define MAXKEYCODE 6 90 #define MAXMOD 8 /* max 32 */ 91 92 struct ukbd_data { 93 u_int32_t modifiers; 94 u_int8_t keycode[MAXKEYCODE]; 95 }; 96 97 #define PRESS 0x000 98 #define RELEASE 0x100 99 #define CODEMASK 0x0ff 100 101 #if defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) 102 #define NN 0 /* no translation */ 103 /* 104 * Translate USB keycodes to US keyboard XT scancodes. 105 * Scancodes >= 0x80 represent EXTENDED keycodes. 106 * 107 * See http://www.microsoft.com/HWDEV/TECH/input/Scancode.asp 108 */ 109 Static const u_int8_t ukbd_trtab[256] = { 110 NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */ 111 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */ 112 0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */ 113 0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */ 114 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */ 115 0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */ 116 0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */ 117 0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */ 118 0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */ 119 0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */ 120 0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */ 121 0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */ 122 0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, NN, 0x59, /* 60 - 67 */ 123 0x5d, 0x5e, 0x5f, NN, NN, NN, NN, NN, /* 68 - 6f */ 124 NN, NN, NN, NN, NN, NN, NN, NN, /* 70 - 77 */ 125 NN, NN, NN, NN, NN, NN, NN, NN, /* 78 - 7f */ 126 NN, NN, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */ 127 0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */ 128 NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */ 129 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */ 130 NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */ 131 NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */ 132 NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */ 133 NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */ 134 NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */ 135 NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */ 136 NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */ 137 NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */ 138 0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */ 139 NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */ 140 NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */ 141 NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */ 142 }; 143 #endif /* defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) */ 144 145 #define KEY_ERROR 0x01 146 147 #define MAXKEYS (MAXMOD+2*MAXKEYCODE) 148 149 struct ukbd_softc { 150 struct uhidev sc_hdev; 151 152 struct ukbd_data sc_ndata; 153 struct ukbd_data sc_odata; 154 struct hid_location sc_modloc[MAXMOD]; 155 u_int sc_nmod; 156 struct { 157 u_int32_t mask; 158 u_int8_t key; 159 } sc_mods[MAXMOD]; 160 161 struct hid_location sc_keycodeloc; 162 u_int sc_nkeycode; 163 164 char sc_enabled; 165 166 int sc_console_keyboard; /* we are the console keyboard */ 167 168 char sc_debounce; /* for quirk handling */ 169 usb_callout_t sc_delay; /* for quirk handling */ 170 struct ukbd_data sc_data; /* for quirk handling */ 171 172 struct hid_location sc_numloc; 173 struct hid_location sc_capsloc; 174 struct hid_location sc_scroloc; 175 int sc_leds; 176 #if defined(__NetBSD__) 177 struct device *sc_wskbddev; 178 179 #if defined(WSDISPLAY_COMPAT_RAWKBD) 180 int sc_rawkbd; 181 #if defined(UKBD_REPEAT) 182 usb_callout_t sc_rawrepeat_ch; 183 #define REP_DELAY1 400 184 #define REP_DELAYN 100 185 int sc_nrep; 186 char sc_rep[MAXKEYS]; 187 #endif /* defined(UKBD_REPEAT) */ 188 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */ 189 190 int sc_spl; 191 int sc_polling; 192 int sc_npollchar; 193 u_int16_t sc_pollchars[MAXKEYS]; 194 #endif /* defined(__NetBSD__) */ 195 196 u_char sc_dying; 197 }; 198 199 #ifdef UKBD_DEBUG 200 #define UKBDTRACESIZE 64 201 struct ukbdtraceinfo { 202 int unit; 203 struct timeval tv; 204 struct ukbd_data ud; 205 }; 206 struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE]; 207 int ukbdtraceindex = 0; 208 int ukbdtrace = 0; 209 void ukbdtracedump(void); 210 void 211 ukbdtracedump(void) 212 { 213 int i; 214 for (i = 0; i < UKBDTRACESIZE; i++) { 215 struct ukbdtraceinfo *p = 216 &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE]; 217 printf("%lu.%06lu: mod=0x%02x key0=0x%02x key1=0x%02x " 218 "key2=0x%02x key3=0x%02x\n", 219 p->tv.tv_sec, p->tv.tv_usec, 220 p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1], 221 p->ud.keycode[2], p->ud.keycode[3]); 222 } 223 } 224 #endif 225 226 #define UKBDUNIT(dev) (minor(dev)) 227 #define UKBD_CHUNK 128 /* chunk size for read */ 228 #define UKBD_BSIZE 1020 /* buffer size */ 229 230 Static int ukbd_is_console; 231 232 Static void ukbd_cngetc(void *, u_int *, int *); 233 Static void ukbd_cnpollc(void *, int); 234 235 #if defined(__NetBSD__) 236 const struct wskbd_consops ukbd_consops = { 237 ukbd_cngetc, 238 ukbd_cnpollc, 239 NULL, /* bell */ 240 }; 241 #endif 242 243 Static const char *ukbd_parse_desc(struct ukbd_softc *sc); 244 245 Static void ukbd_intr(struct uhidev *addr, void *ibuf, u_int len); 246 Static void ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud); 247 Static void ukbd_delayed_decode(void *addr); 248 249 Static int ukbd_enable(void *, int); 250 Static void ukbd_set_leds(void *, int); 251 252 #if defined(__NetBSD__) 253 Static int ukbd_ioctl(void *, u_long, caddr_t, int, struct lwp *); 254 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 255 Static void ukbd_rawrepeat(void *v); 256 #endif 257 258 const struct wskbd_accessops ukbd_accessops = { 259 ukbd_enable, 260 ukbd_set_leds, 261 ukbd_ioctl, 262 }; 263 264 extern const struct wscons_keydesc ukbd_keydesctab[]; 265 266 const struct wskbd_mapdata ukbd_keymapdata = { 267 ukbd_keydesctab, 268 #if defined(UKBD_LAYOUT) 269 UKBD_LAYOUT, 270 #elif defined(PCKBD_LAYOUT) 271 PCKBD_LAYOUT, 272 #else 273 KB_US, 274 #endif 275 }; 276 #endif 277 278 USB_DECLARE_DRIVER(ukbd); 279 280 int 281 ukbd_match(struct device *parent, struct cfdata *match, void *aux) 282 { 283 struct uhidev_attach_arg *uha = aux; 284 int size; 285 void *desc; 286 287 uhidev_get_report_desc(uha->parent, &desc, &size); 288 if (!hid_is_collection(desc, size, uha->reportid, 289 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD))) 290 return (UMATCH_NONE); 291 292 return (UMATCH_IFACECLASS); 293 } 294 295 void 296 ukbd_attach(struct device *parent, struct device *self, void *aux) 297 { 298 struct ukbd_softc *sc = (struct ukbd_softc *)self; 299 struct uhidev_attach_arg *uha = aux; 300 u_int32_t qflags; 301 const char *parseerr; 302 #if defined(__NetBSD__) 303 struct wskbddev_attach_args a; 304 #else 305 int i; 306 #endif 307 308 sc->sc_hdev.sc_intr = ukbd_intr; 309 sc->sc_hdev.sc_parent = uha->parent; 310 sc->sc_hdev.sc_report_id = uha->reportid; 311 312 parseerr = ukbd_parse_desc(sc); 313 if (parseerr != NULL) { 314 printf("\n%s: attach failed, %s\n", 315 sc->sc_hdev.sc_dev.dv_xname, parseerr); 316 USB_ATTACH_ERROR_RETURN; 317 } 318 319 #ifdef DIAGNOSTIC 320 printf(": %d modifier keys, %d key codes", sc->sc_nmod, 321 sc->sc_nkeycode); 322 #endif 323 printf("\n"); 324 325 326 qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; 327 sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0; 328 329 /* 330 * Remember if we're the console keyboard. 331 * 332 * XXX This always picks the first keyboard on the 333 * first USB bus, but what else can we really do? 334 */ 335 if ((sc->sc_console_keyboard = ukbd_is_console) != 0) { 336 /* Don't let any other keyboard have it. */ 337 ukbd_is_console = 0; 338 } 339 340 if (sc->sc_console_keyboard) { 341 DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc)); 342 wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata); 343 ukbd_enable(sc, 1); 344 } 345 346 a.console = sc->sc_console_keyboard; 347 348 a.keymap = &ukbd_keymapdata; 349 350 a.accessops = &ukbd_accessops; 351 a.accesscookie = sc; 352 353 #ifdef UKBD_REPEAT 354 usb_callout_init(sc->sc_rawrepeat_ch); 355 #endif 356 357 usb_callout_init(sc->sc_delay); 358 359 /* Flash the leds; no real purpose, just shows we're alive. */ 360 ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS); 361 usbd_delay_ms(uha->parent->sc_udev, 400); 362 ukbd_set_leds(sc, 0); 363 364 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 365 366 USB_ATTACH_SUCCESS_RETURN; 367 } 368 369 int 370 ukbd_enable(void *v, int on) 371 { 372 struct ukbd_softc *sc = v; 373 374 if (on && sc->sc_dying) 375 return (EIO); 376 377 /* Should only be called to change state */ 378 if (sc->sc_enabled == on) { 379 #ifdef DIAGNOSTIC 380 printf("ukbd_enable: %s: bad call on=%d\n", 381 USBDEVNAME(sc->sc_hdev.sc_dev), on); 382 #endif 383 return (EBUSY); 384 } 385 386 DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on)); 387 sc->sc_enabled = on; 388 if (on) { 389 return (uhidev_open(&sc->sc_hdev)); 390 } else { 391 uhidev_close(&sc->sc_hdev); 392 return (0); 393 } 394 } 395 396 int 397 ukbd_activate(device_ptr_t self, enum devact act) 398 { 399 struct ukbd_softc *sc = (struct ukbd_softc *)self; 400 int rv = 0; 401 402 switch (act) { 403 case DVACT_ACTIVATE: 404 return (EOPNOTSUPP); 405 406 case DVACT_DEACTIVATE: 407 if (sc->sc_wskbddev != NULL) 408 rv = config_deactivate(sc->sc_wskbddev); 409 sc->sc_dying = 1; 410 break; 411 } 412 return (rv); 413 } 414 415 int 416 ukbd_detach(struct device *self, int flags) 417 { 418 struct ukbd_softc *sc = (struct ukbd_softc *)self; 419 int rv = 0; 420 421 DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags)); 422 423 if (sc->sc_console_keyboard) { 424 #if 0 425 /* 426 * XXX Should probably disconnect our consops, 427 * XXX and either notify some other keyboard that 428 * XXX it can now be the console, or if there aren't 429 * XXX any more USB keyboards, set ukbd_is_console 430 * XXX back to 1 so that the next USB keyboard attached 431 * XXX to the system will get it. 432 */ 433 panic("ukbd_detach: console keyboard"); 434 #else 435 /* 436 * Disconnect our consops and set ukbd_is_console 437 * back to 1 so that the next USB keyboard attached 438 * to the system will get it. 439 * XXX Should notify some other keyboard that it can be 440 * XXX console, if there are any other keyboards. 441 */ 442 printf("%s: was console keyboard\n", 443 USBDEVNAME(sc->sc_hdev.sc_dev)); 444 wskbd_cndetach(); 445 ukbd_is_console = 1; 446 #endif 447 } 448 /* No need to do reference counting of ukbd, wskbd has all the goo. */ 449 if (sc->sc_wskbddev != NULL) 450 rv = config_detach(sc->sc_wskbddev, flags); 451 452 /* The console keyboard does not get a disable call, so check pipe. */ 453 if (sc->sc_hdev.sc_state & UHIDEV_OPEN) 454 uhidev_close(&sc->sc_hdev); 455 456 return (rv); 457 } 458 459 void 460 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len) 461 { 462 struct ukbd_softc *sc = (struct ukbd_softc *)addr; 463 struct ukbd_data *ud = &sc->sc_ndata; 464 int i; 465 466 #ifdef UKBD_DEBUG 467 if (ukbddebug > 5) { 468 printf("ukbd_intr: data"); 469 for (i = 0; i < len; i++) 470 printf(" 0x%02x", ((u_char *)ibuf)[i]); 471 printf("\n"); 472 } 473 #endif 474 475 ud->modifiers = 0; 476 for (i = 0; i < sc->sc_nmod; i++) 477 if (hid_get_data(ibuf, &sc->sc_modloc[i])) 478 ud->modifiers |= sc->sc_mods[i].mask; 479 memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8, 480 sc->sc_nkeycode); 481 482 if (sc->sc_debounce && !sc->sc_polling) { 483 /* 484 * Some keyboards have a peculiar quirk. They sometimes 485 * generate a key up followed by a key down for the same 486 * key after about 10 ms. 487 * We avoid this bug by holding off decoding for 20 ms. 488 */ 489 sc->sc_data = *ud; 490 usb_callout(sc->sc_delay, hz / 50, ukbd_delayed_decode, sc); 491 #ifdef DDB 492 } else if (sc->sc_console_keyboard && !sc->sc_polling) { 493 /* 494 * For the console keyboard we can't deliver CTL-ALT-ESC 495 * from the interrupt routine. Doing so would start 496 * polling from inside the interrupt routine and that 497 * loses bigtime. 498 */ 499 sc->sc_data = *ud; 500 usb_callout(sc->sc_delay, 1, ukbd_delayed_decode, sc); 501 #endif 502 } else { 503 ukbd_decode(sc, ud); 504 } 505 } 506 507 void 508 ukbd_delayed_decode(void *addr) 509 { 510 struct ukbd_softc *sc = addr; 511 512 ukbd_decode(sc, &sc->sc_data); 513 } 514 515 void 516 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud) 517 { 518 int mod, omod; 519 u_int16_t ibuf[MAXKEYS]; /* chars events */ 520 int s; 521 int nkeys, i, j; 522 int key; 523 #define ADDKEY(c) ibuf[nkeys++] = (c) 524 525 #ifdef UKBD_DEBUG 526 /* 527 * Keep a trace of the last events. Using printf changes the 528 * timing, so this can be useful sometimes. 529 */ 530 if (ukbdtrace) { 531 struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex]; 532 p->unit = device_unit(&sc->sc_hdev.sc_dev); 533 microtime(&p->tv); 534 p->ud = *ud; 535 if (++ukbdtraceindex >= UKBDTRACESIZE) 536 ukbdtraceindex = 0; 537 } 538 if (ukbddebug > 5) { 539 struct timeval tv; 540 microtime(&tv); 541 DPRINTF((" at %lu.%06lu mod=0x%02x key0=0x%02x key1=0x%02x " 542 "key2=0x%02x key3=0x%02x\n", 543 tv.tv_sec, tv.tv_usec, 544 ud->modifiers, ud->keycode[0], ud->keycode[1], 545 ud->keycode[2], ud->keycode[3])); 546 } 547 #endif 548 549 if (ud->keycode[0] == KEY_ERROR) { 550 DPRINTF(("ukbd_intr: KEY_ERROR\n")); 551 return; /* ignore */ 552 } 553 nkeys = 0; 554 mod = ud->modifiers; 555 omod = sc->sc_odata.modifiers; 556 if (mod != omod) 557 for (i = 0; i < sc->sc_nmod; i++) 558 if (( mod & sc->sc_mods[i].mask) != 559 (omod & sc->sc_mods[i].mask)) 560 ADDKEY(sc->sc_mods[i].key | 561 (mod & sc->sc_mods[i].mask 562 ? PRESS : RELEASE)); 563 if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) { 564 /* Check for released keys. */ 565 for (i = 0; i < sc->sc_nkeycode; i++) { 566 key = sc->sc_odata.keycode[i]; 567 if (key == 0) 568 continue; 569 for (j = 0; j < sc->sc_nkeycode; j++) 570 if (key == ud->keycode[j]) 571 goto rfound; 572 DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key)); 573 ADDKEY(key | RELEASE); 574 rfound: 575 ; 576 } 577 578 /* Check for pressed keys. */ 579 for (i = 0; i < sc->sc_nkeycode; i++) { 580 key = ud->keycode[i]; 581 if (key == 0) 582 continue; 583 for (j = 0; j < sc->sc_nkeycode; j++) 584 if (key == sc->sc_odata.keycode[j]) 585 goto pfound; 586 DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key)); 587 ADDKEY(key | PRESS); 588 pfound: 589 ; 590 } 591 } 592 sc->sc_odata = *ud; 593 594 if (nkeys == 0) 595 return; 596 597 if (sc->sc_polling) { 598 DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0])); 599 memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); 600 sc->sc_npollchar = nkeys; 601 return; 602 } 603 #ifdef WSDISPLAY_COMPAT_RAWKBD 604 if (sc->sc_rawkbd) { 605 u_char cbuf[MAXKEYS * 2]; 606 int c; 607 int npress; 608 609 for (npress = i = j = 0; i < nkeys; i++) { 610 key = ibuf[i]; 611 c = ukbd_trtab[key & CODEMASK]; 612 if (c == NN) 613 continue; 614 if (c & 0x80) 615 cbuf[j++] = 0xe0; 616 cbuf[j] = c & 0x7f; 617 if (key & RELEASE) 618 cbuf[j] |= 0x80; 619 #if defined(UKBD_REPEAT) 620 else { 621 /* remember pressed keys for autorepeat */ 622 if (c & 0x80) 623 sc->sc_rep[npress++] = 0xe0; 624 sc->sc_rep[npress++] = c & 0x7f; 625 } 626 #endif 627 DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n", 628 c & 0x80 ? "0xe0 " : "", 629 cbuf[j])); 630 j++; 631 } 632 s = spltty(); 633 wskbd_rawinput(sc->sc_wskbddev, cbuf, j); 634 splx(s); 635 #ifdef UKBD_REPEAT 636 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 637 if (npress != 0) { 638 sc->sc_nrep = npress; 639 usb_callout(sc->sc_rawrepeat_ch, 640 hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc); 641 } 642 #endif 643 return; 644 } 645 #endif 646 647 s = spltty(); 648 for (i = 0; i < nkeys; i++) { 649 key = ibuf[i]; 650 wskbd_input(sc->sc_wskbddev, 651 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 652 key&CODEMASK); 653 } 654 splx(s); 655 } 656 657 void 658 ukbd_set_leds(void *v, int leds) 659 { 660 struct ukbd_softc *sc = v; 661 u_int8_t res; 662 663 DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n", 664 sc, leds, sc->sc_leds)); 665 666 if (sc->sc_dying) 667 return; 668 669 if (sc->sc_leds == leds) 670 return; 671 sc->sc_leds = leds; 672 res = 0; 673 /* XXX not really right */ 674 if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1) 675 res |= 1 << sc->sc_scroloc.pos; 676 if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1) 677 res |= 1 << sc->sc_numloc.pos; 678 if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1) 679 res |= 1 << sc->sc_capsloc.pos; 680 uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1); 681 } 682 683 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 684 void 685 ukbd_rawrepeat(void *v) 686 { 687 struct ukbd_softc *sc = v; 688 int s; 689 690 s = spltty(); 691 wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep); 692 splx(s); 693 usb_callout(sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000, 694 ukbd_rawrepeat, sc); 695 } 696 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */ 697 698 int 699 ukbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 700 { 701 struct ukbd_softc *sc = v; 702 703 switch (cmd) { 704 case WSKBDIO_GTYPE: 705 *(int *)data = WSKBD_TYPE_USB; 706 return (0); 707 case WSKBDIO_SETLEDS: 708 ukbd_set_leds(v, *(int *)data); 709 return (0); 710 case WSKBDIO_GETLEDS: 711 *(int *)data = sc->sc_leds; 712 return (0); 713 #if defined(WSDISPLAY_COMPAT_RAWKBD) 714 case WSKBDIO_SETMODE: 715 DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data)); 716 sc->sc_rawkbd = *(int *)data == WSKBD_RAW; 717 #if defined(UKBD_REPEAT) 718 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 719 #endif 720 return (0); 721 #endif 722 } 723 return (EPASSTHROUGH); 724 } 725 726 /* 727 * This is a hack to work around some broken ports that don't call 728 * cnpollc() before cngetc(). 729 */ 730 static int pollenter, warned; 731 732 /* Console interface. */ 733 void 734 ukbd_cngetc(void *v, u_int *type, int *data) 735 { 736 struct ukbd_softc *sc = v; 737 int c; 738 int broken; 739 740 if (pollenter == 0) { 741 if (!warned) { 742 printf("\n" 743 "This port is broken, it does not call cnpollc() before calling cngetc().\n" 744 "This should be fixed, but it will work anyway (for now).\n"); 745 warned = 1; 746 } 747 broken = 1; 748 ukbd_cnpollc(v, 1); 749 } else 750 broken = 0; 751 752 DPRINTFN(0,("ukbd_cngetc: enter\n")); 753 sc->sc_polling = 1; 754 while(sc->sc_npollchar <= 0) 755 usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface); 756 sc->sc_polling = 0; 757 c = sc->sc_pollchars[0]; 758 sc->sc_npollchar--; 759 memcpy(sc->sc_pollchars, sc->sc_pollchars+1, 760 sc->sc_npollchar * sizeof(u_int16_t)); 761 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 762 *data = c & CODEMASK; 763 DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c)); 764 if (broken) 765 ukbd_cnpollc(v, 0); 766 } 767 768 void 769 ukbd_cnpollc(void *v, int on) 770 { 771 struct ukbd_softc *sc = v; 772 usbd_device_handle dev; 773 774 DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on)); 775 776 usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev); 777 if (on) { 778 sc->sc_spl = splusb(); 779 pollenter++; 780 } else { 781 splx(sc->sc_spl); 782 pollenter--; 783 } 784 usbd_set_polling(dev, on); 785 } 786 787 int 788 ukbd_cnattach(void) 789 { 790 791 /* 792 * XXX USB requires too many parts of the kernel to be running 793 * XXX in order to work, so we can't do much for the console 794 * XXX keyboard until autconfiguration has run its course. 795 */ 796 ukbd_is_console = 1; 797 return (0); 798 } 799 800 const char * 801 ukbd_parse_desc(struct ukbd_softc *sc) 802 { 803 struct hid_data *d; 804 struct hid_item h; 805 int size; 806 void *desc; 807 int imod; 808 809 uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size); 810 imod = 0; 811 sc->sc_nkeycode = 0; 812 d = hid_start_parse(desc, size, hid_input); 813 while (hid_get_item(d, &h)) { 814 /*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n", 815 h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/ 816 if (h.kind != hid_input || (h.flags & HIO_CONST) || 817 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 818 h.report_ID != sc->sc_hdev.sc_report_id) 819 continue; 820 DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d " 821 "cnt=%d\n", imod, 822 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); 823 if (h.flags & HIO_VARIABLE) { 824 if (h.loc.size != 1) 825 return ("bad modifier size"); 826 /* Single item */ 827 if (imod < MAXMOD) { 828 sc->sc_modloc[imod] = h.loc; 829 sc->sc_mods[imod].mask = 1 << imod; 830 sc->sc_mods[imod].key = HID_GET_USAGE(h.usage); 831 imod++; 832 } else 833 return ("too many modifier keys"); 834 } else { 835 /* Array */ 836 if (h.loc.size != 8) 837 return ("key code size != 8"); 838 if (h.loc.count > MAXKEYCODE) 839 return ("too many key codes"); 840 if (h.loc.pos % 8 != 0) 841 return ("key codes not on byte boundary"); 842 if (sc->sc_nkeycode != 0) 843 return ("multiple key code arrays\n"); 844 sc->sc_keycodeloc = h.loc; 845 sc->sc_nkeycode = h.loc.count; 846 } 847 } 848 sc->sc_nmod = imod; 849 hid_end_parse(d); 850 851 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK), 852 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL); 853 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK), 854 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL); 855 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK), 856 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL); 857 858 return (NULL); 859 } 860
Indexes created Thu Sep 25 16:09:42 GMT 2025