ukbd.c revision 1.86
1 /* $NetBSD: ukbd.c,v 1.86 2005/04/29 17:02:06 augustss 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 1.86 2005/04/29 17:02:06 augustss 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_wsdisplay_compat.h" 77 #include "opt_ddb.h" 78 79 #ifdef UKBD_DEBUG 80 #define DPRINTF(x) if (ukbddebug) logprintf x 81 #define DPRINTFN(n,x) if (ukbddebug>(n)) logprintf x 82 int ukbddebug = 0; 83 #else 84 #define DPRINTF(x) 85 #define DPRINTFN(n,x) 86 #endif 87 88 #define MAXKEYCODE 6 89 #define MAXMOD 8 /* max 32 */ 90 91 struct ukbd_data { 92 u_int32_t modifiers; 93 u_int8_t keycode[MAXKEYCODE]; 94 }; 95 96 #define PRESS 0x000 97 #define RELEASE 0x100 98 #define CODEMASK 0x0ff 99 100 #if defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) 101 #define NN 0 /* no translation */ 102 /* 103 * Translate USB keycodes to US keyboard XT scancodes. 104 * Scancodes >= 0x80 represent EXTENDED keycodes. 105 * 106 * See http://www.microsoft.com/HWDEV/TECH/input/Scancode.asp 107 */ 108 Static const u_int8_t ukbd_trtab[256] = { 109 NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */ 110 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */ 111 0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */ 112 0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */ 113 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */ 114 0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */ 115 0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */ 116 0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */ 117 0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */ 118 0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */ 119 0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */ 120 0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */ 121 0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, NN, 0x59, /* 60 - 67 */ 122 0x5d, 0x5e, 0x5f, NN, NN, NN, NN, NN, /* 68 - 6f */ 123 NN, NN, NN, NN, NN, NN, NN, NN, /* 70 - 77 */ 124 NN, NN, NN, NN, NN, NN, NN, NN, /* 78 - 7f */ 125 NN, NN, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */ 126 0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */ 127 NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */ 128 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */ 129 NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */ 130 NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */ 131 NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */ 132 NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */ 133 NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */ 134 NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */ 135 NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */ 136 NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */ 137 0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */ 138 NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */ 139 NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */ 140 NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */ 141 }; 142 #endif /* defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) */ 143 144 #define KEY_ERROR 0x01 145 146 #define MAXKEYS (MAXMOD+2*MAXKEYCODE) 147 148 struct ukbd_softc { 149 struct uhidev sc_hdev; 150 151 struct ukbd_data sc_ndata; 152 struct ukbd_data sc_odata; 153 struct hid_location sc_modloc[MAXMOD]; 154 u_int sc_nmod; 155 struct { 156 u_int32_t mask; 157 u_int8_t key; 158 } sc_mods[MAXMOD]; 159 160 struct hid_location sc_keycodeloc; 161 u_int sc_nkeycode; 162 163 char sc_enabled; 164 165 int sc_console_keyboard; /* we are the console keyboard */ 166 167 char sc_debounce; /* for quirk handling */ 168 usb_callout_t sc_delay; /* for quirk handling */ 169 struct ukbd_data sc_data; /* for quirk handling */ 170 171 struct hid_location sc_numloc; 172 struct hid_location sc_capsloc; 173 struct hid_location sc_scroloc; 174 int sc_leds; 175 #if defined(__NetBSD__) 176 usb_callout_t sc_rawrepeat_ch; 177 178 struct device *sc_wskbddev; 179 #if defined(WSDISPLAY_COMPAT_RAWKBD) 180 #define REP_DELAY1 400 181 #define REP_DELAYN 100 182 int sc_rawkbd; 183 int sc_nrep; 184 char sc_rep[MAXKEYS]; 185 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */ 186 187 int sc_spl; 188 int sc_polling; 189 int sc_npollchar; 190 u_int16_t sc_pollchars[MAXKEYS]; 191 #endif /* defined(__NetBSD__) */ 192 193 u_char sc_dying; 194 }; 195 196 #ifdef UKBD_DEBUG 197 #define UKBDTRACESIZE 64 198 struct ukbdtraceinfo { 199 int unit; 200 struct timeval tv; 201 struct ukbd_data ud; 202 }; 203 struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE]; 204 int ukbdtraceindex = 0; 205 int ukbdtrace = 0; 206 void ukbdtracedump(void); 207 void 208 ukbdtracedump(void) 209 { 210 int i; 211 for (i = 0; i < UKBDTRACESIZE; i++) { 212 struct ukbdtraceinfo *p = 213 &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE]; 214 printf("%lu.%06lu: mod=0x%02x key0=0x%02x key1=0x%02x " 215 "key2=0x%02x key3=0x%02x\n", 216 p->tv.tv_sec, p->tv.tv_usec, 217 p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1], 218 p->ud.keycode[2], p->ud.keycode[3]); 219 } 220 } 221 #endif 222 223 #define UKBDUNIT(dev) (minor(dev)) 224 #define UKBD_CHUNK 128 /* chunk size for read */ 225 #define UKBD_BSIZE 1020 /* buffer size */ 226 227 Static int ukbd_is_console; 228 229 Static void ukbd_cngetc(void *, u_int *, int *); 230 Static void ukbd_cnpollc(void *, int); 231 232 #if defined(__NetBSD__) 233 const struct wskbd_consops ukbd_consops = { 234 ukbd_cngetc, 235 ukbd_cnpollc, 236 }; 237 #endif 238 239 Static const char *ukbd_parse_desc(struct ukbd_softc *sc); 240 241 Static void ukbd_intr(struct uhidev *addr, void *ibuf, u_int len); 242 Static void ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud); 243 Static void ukbd_delayed_decode(void *addr); 244 245 Static int ukbd_enable(void *, int); 246 Static void ukbd_set_leds(void *, int); 247 248 #if defined(__NetBSD__) 249 Static int ukbd_ioctl(void *, u_long, caddr_t, int, usb_proc_ptr ); 250 #ifdef WSDISPLAY_COMPAT_RAWKBD 251 Static void ukbd_rawrepeat(void *v); 252 #endif 253 254 const struct wskbd_accessops ukbd_accessops = { 255 ukbd_enable, 256 ukbd_set_leds, 257 ukbd_ioctl, 258 }; 259 260 extern const struct wscons_keydesc ukbd_keydesctab[]; 261 262 const struct wskbd_mapdata ukbd_keymapdata = { 263 ukbd_keydesctab, 264 #if defined(UKBD_LAYOUT) 265 UKBD_LAYOUT, 266 #elif defined(PCKBD_LAYOUT) 267 PCKBD_LAYOUT, 268 #else 269 KB_US, 270 #endif 271 }; 272 #endif 273 274 USB_DECLARE_DRIVER(ukbd); 275 276 int 277 ukbd_match(struct device *parent, struct cfdata *match, void *aux) 278 { 279 struct uhidev_attach_arg *uha = aux; 280 int size; 281 void *desc; 282 283 uhidev_get_report_desc(uha->parent, &desc, &size); 284 if (!hid_is_collection(desc, size, uha->reportid, 285 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD))) 286 return (UMATCH_NONE); 287 288 return (UMATCH_IFACECLASS); 289 } 290 291 void 292 ukbd_attach(struct device *parent, struct device *self, void *aux) 293 { 294 struct ukbd_softc *sc = (struct ukbd_softc *)self; 295 struct uhidev_attach_arg *uha = aux; 296 u_int32_t qflags; 297 const char *parseerr; 298 #if defined(__NetBSD__) 299 struct wskbddev_attach_args a; 300 #else 301 int i; 302 #endif 303 304 sc->sc_hdev.sc_intr = ukbd_intr; 305 sc->sc_hdev.sc_parent = uha->parent; 306 sc->sc_hdev.sc_report_id = uha->reportid; 307 308 parseerr = ukbd_parse_desc(sc); 309 if (parseerr != NULL) { 310 printf("\n%s: attach failed, %s\n", 311 sc->sc_hdev.sc_dev.dv_xname, parseerr); 312 USB_ATTACH_ERROR_RETURN; 313 } 314 315 #ifdef DIAGNOSTIC 316 printf(": %d modifier keys, %d key codes", sc->sc_nmod, 317 sc->sc_nkeycode); 318 #endif 319 printf("\n"); 320 321 322 qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; 323 sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0; 324 325 /* 326 * Remember if we're the console keyboard. 327 * 328 * XXX This always picks the first keyboard on the 329 * first USB bus, but what else can we really do? 330 */ 331 if ((sc->sc_console_keyboard = ukbd_is_console) != 0) { 332 /* Don't let any other keyboard have it. */ 333 ukbd_is_console = 0; 334 } 335 336 if (sc->sc_console_keyboard) { 337 DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc)); 338 wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata); 339 ukbd_enable(sc, 1); 340 } 341 342 a.console = sc->sc_console_keyboard; 343 344 a.keymap = &ukbd_keymapdata; 345 346 a.accessops = &ukbd_accessops; 347 a.accesscookie = sc; 348 349 usb_callout_init(sc->sc_rawrepeat_ch); 350 351 usb_callout_init(sc->sc_delay); 352 353 /* Flash the leds; no real purpose, just shows we're alive. */ 354 ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS); 355 usbd_delay_ms(uha->parent->sc_udev, 400); 356 ukbd_set_leds(sc, 0); 357 358 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 359 360 USB_ATTACH_SUCCESS_RETURN; 361 } 362 363 int 364 ukbd_enable(void *v, int on) 365 { 366 struct ukbd_softc *sc = v; 367 368 if (on && sc->sc_dying) 369 return (EIO); 370 371 /* Should only be called to change state */ 372 if (sc->sc_enabled == on) { 373 #ifdef DIAGNOSTIC 374 printf("ukbd_enable: %s: bad call on=%d\n", 375 USBDEVNAME(sc->sc_hdev.sc_dev), on); 376 #endif 377 return (EBUSY); 378 } 379 380 DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on)); 381 sc->sc_enabled = on; 382 if (on) { 383 return (uhidev_open(&sc->sc_hdev)); 384 } else { 385 uhidev_close(&sc->sc_hdev); 386 return (0); 387 } 388 } 389 390 int 391 ukbd_activate(device_ptr_t self, enum devact act) 392 { 393 struct ukbd_softc *sc = (struct ukbd_softc *)self; 394 int rv = 0; 395 396 switch (act) { 397 case DVACT_ACTIVATE: 398 return (EOPNOTSUPP); 399 400 case DVACT_DEACTIVATE: 401 if (sc->sc_wskbddev != NULL) 402 rv = config_deactivate(sc->sc_wskbddev); 403 sc->sc_dying = 1; 404 break; 405 } 406 return (rv); 407 } 408 409 int 410 ukbd_detach(struct device *self, int flags) 411 { 412 struct ukbd_softc *sc = (struct ukbd_softc *)self; 413 int rv = 0; 414 415 DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags)); 416 417 if (sc->sc_console_keyboard) { 418 #if 0 419 /* 420 * XXX Should probably disconnect our consops, 421 * XXX and either notify some other keyboard that 422 * XXX it can now be the console, or if there aren't 423 * XXX any more USB keyboards, set ukbd_is_console 424 * XXX back to 1 so that the next USB keyboard attached 425 * XXX to the system will get it. 426 */ 427 panic("ukbd_detach: console keyboard"); 428 #else 429 /* 430 * Disconnect our consops and set ukbd_is_console 431 * back to 1 so that the next USB keyboard attached 432 * to the system will get it. 433 * XXX Should notify some other keyboard that it can be 434 * XXX console, if there are any other keyboards. 435 */ 436 printf("%s: was console keyboard\n", 437 USBDEVNAME(sc->sc_hdev.sc_dev)); 438 wskbd_cndetach(); 439 ukbd_is_console = 1; 440 #endif 441 } 442 /* No need to do reference counting of ukbd, wskbd has all the goo. */ 443 if (sc->sc_wskbddev != NULL) 444 rv = config_detach(sc->sc_wskbddev, flags); 445 446 /* The console keyboard does not get a disable call, so check pipe. */ 447 if (sc->sc_hdev.sc_state & UHIDEV_OPEN) 448 uhidev_close(&sc->sc_hdev); 449 450 return (rv); 451 } 452 453 void 454 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len) 455 { 456 struct ukbd_softc *sc = (struct ukbd_softc *)addr; 457 struct ukbd_data *ud = &sc->sc_ndata; 458 int i; 459 460 #ifdef UKBD_DEBUG 461 if (ukbddebug > 5) { 462 printf("ukbd_intr: data"); 463 for (i = 0; i < len; i++) 464 printf(" 0x%02x", ((u_char *)ibuf)[i]); 465 printf("\n"); 466 } 467 #endif 468 469 ud->modifiers = 0; 470 for (i = 0; i < sc->sc_nmod; i++) 471 if (hid_get_data(ibuf, &sc->sc_modloc[i])) 472 ud->modifiers |= sc->sc_mods[i].mask; 473 memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8, 474 sc->sc_nkeycode); 475 476 if (sc->sc_debounce && !sc->sc_polling) { 477 /* 478 * Some keyboards have a peculiar quirk. They sometimes 479 * generate a key up followed by a key down for the same 480 * key after about 10 ms. 481 * We avoid this bug by holding off decoding for 20 ms. 482 */ 483 sc->sc_data = *ud; 484 usb_callout(sc->sc_delay, hz / 50, ukbd_delayed_decode, sc); 485 #ifdef DDB 486 } else if (sc->sc_console_keyboard && !sc->sc_polling) { 487 /* 488 * For the console keyboard we can't deliver CTL-ALT-ESC 489 * from the interrupt routine. Doing so would start 490 * polling from inside the interrupt routine and that 491 * loses bigtime. 492 */ 493 sc->sc_data = *ud; 494 usb_callout(sc->sc_delay, 1, ukbd_delayed_decode, sc); 495 #endif 496 } else { 497 ukbd_decode(sc, ud); 498 } 499 } 500 501 void 502 ukbd_delayed_decode(void *addr) 503 { 504 struct ukbd_softc *sc = addr; 505 506 ukbd_decode(sc, &sc->sc_data); 507 } 508 509 void 510 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud) 511 { 512 int mod, omod; 513 u_int16_t ibuf[MAXKEYS]; /* chars events */ 514 int s; 515 int nkeys, i, j; 516 int key; 517 #define ADDKEY(c) ibuf[nkeys++] = (c) 518 519 #ifdef UKBD_DEBUG 520 /* 521 * Keep a trace of the last events. Using printf changes the 522 * timing, so this can be useful sometimes. 523 */ 524 if (ukbdtrace) { 525 struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex]; 526 p->unit = sc->sc_hdev.sc_dev.dv_unit; 527 microtime(&p->tv); 528 p->ud = *ud; 529 if (++ukbdtraceindex >= UKBDTRACESIZE) 530 ukbdtraceindex = 0; 531 } 532 if (ukbddebug > 5) { 533 struct timeval tv; 534 microtime(&tv); 535 DPRINTF((" at %lu.%06lu mod=0x%02x key0=0x%02x key1=0x%02x " 536 "key2=0x%02x key3=0x%02x\n", 537 tv.tv_sec, tv.tv_usec, 538 ud->modifiers, ud->keycode[0], ud->keycode[1], 539 ud->keycode[2], ud->keycode[3])); 540 } 541 #endif 542 543 if (ud->keycode[0] == KEY_ERROR) { 544 DPRINTF(("ukbd_intr: KEY_ERROR\n")); 545 return; /* ignore */ 546 } 547 nkeys = 0; 548 mod = ud->modifiers; 549 omod = sc->sc_odata.modifiers; 550 if (mod != omod) 551 for (i = 0; i < sc->sc_nmod; i++) 552 if (( mod & sc->sc_mods[i].mask) != 553 (omod & sc->sc_mods[i].mask)) 554 ADDKEY(sc->sc_mods[i].key | 555 (mod & sc->sc_mods[i].mask 556 ? PRESS : RELEASE)); 557 if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) { 558 /* Check for released keys. */ 559 for (i = 0; i < sc->sc_nkeycode; i++) { 560 key = sc->sc_odata.keycode[i]; 561 if (key == 0) 562 continue; 563 for (j = 0; j < sc->sc_nkeycode; j++) 564 if (key == ud->keycode[j]) 565 goto rfound; 566 DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key)); 567 ADDKEY(key | RELEASE); 568 rfound: 569 ; 570 } 571 572 /* Check for pressed keys. */ 573 for (i = 0; i < sc->sc_nkeycode; i++) { 574 key = ud->keycode[i]; 575 if (key == 0) 576 continue; 577 for (j = 0; j < sc->sc_nkeycode; j++) 578 if (key == sc->sc_odata.keycode[j]) 579 goto pfound; 580 DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key)); 581 ADDKEY(key | PRESS); 582 pfound: 583 ; 584 } 585 } 586 sc->sc_odata = *ud; 587 588 if (nkeys == 0) 589 return; 590 591 if (sc->sc_polling) { 592 DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0])); 593 memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); 594 sc->sc_npollchar = nkeys; 595 return; 596 } 597 #ifdef WSDISPLAY_COMPAT_RAWKBD 598 if (sc->sc_rawkbd) { 599 u_char cbuf[MAXKEYS * 2]; 600 int c; 601 int npress; 602 603 for (npress = i = j = 0; i < nkeys; i++) { 604 key = ibuf[i]; 605 c = ukbd_trtab[key & CODEMASK]; 606 if (c == NN) 607 continue; 608 if (c & 0x80) 609 cbuf[j++] = 0xe0; 610 cbuf[j] = c & 0x7f; 611 if (key & RELEASE) 612 cbuf[j] |= 0x80; 613 else { 614 /* remember pressed keys for autorepeat */ 615 if (c & 0x80) 616 sc->sc_rep[npress++] = 0xe0; 617 sc->sc_rep[npress++] = c & 0x7f; 618 } 619 DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n", 620 c & 0x80 ? "0xe0 " : "", 621 cbuf[j])); 622 j++; 623 } 624 s = spltty(); 625 wskbd_rawinput(sc->sc_wskbddev, cbuf, j); 626 splx(s); 627 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 628 if (npress != 0) { 629 sc->sc_nrep = npress; 630 usb_callout(sc->sc_rawrepeat_ch, 631 hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc); 632 } 633 return; 634 } 635 #endif 636 637 s = spltty(); 638 for (i = 0; i < nkeys; i++) { 639 key = ibuf[i]; 640 wskbd_input(sc->sc_wskbddev, 641 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 642 key&CODEMASK); 643 } 644 splx(s); 645 } 646 647 void 648 ukbd_set_leds(void *v, int leds) 649 { 650 struct ukbd_softc *sc = v; 651 u_int8_t res; 652 653 DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n", 654 sc, leds, sc->sc_leds)); 655 656 if (sc->sc_dying) 657 return; 658 659 if (sc->sc_leds == leds) 660 return; 661 sc->sc_leds = leds; 662 res = 0; 663 /* XXX not really right */ 664 if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1) 665 res |= 1 << sc->sc_scroloc.pos; 666 if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1) 667 res |= 1 << sc->sc_numloc.pos; 668 if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1) 669 res |= 1 << sc->sc_capsloc.pos; 670 uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1); 671 } 672 673 #ifdef WSDISPLAY_COMPAT_RAWKBD 674 void 675 ukbd_rawrepeat(void *v) 676 { 677 struct ukbd_softc *sc = v; 678 int s; 679 680 s = spltty(); 681 wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep); 682 splx(s); 683 usb_callout(sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000, 684 ukbd_rawrepeat, sc); 685 } 686 #endif 687 688 int 689 ukbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) 690 { 691 struct ukbd_softc *sc = v; 692 693 switch (cmd) { 694 case WSKBDIO_GTYPE: 695 *(int *)data = WSKBD_TYPE_USB; 696 return (0); 697 case WSKBDIO_SETLEDS: 698 ukbd_set_leds(v, *(int *)data); 699 return (0); 700 case WSKBDIO_GETLEDS: 701 *(int *)data = sc->sc_leds; 702 return (0); 703 #ifdef WSDISPLAY_COMPAT_RAWKBD 704 case WSKBDIO_SETMODE: 705 DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data)); 706 sc->sc_rawkbd = *(int *)data == WSKBD_RAW; 707 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 708 return (0); 709 #endif 710 } 711 return (EPASSTHROUGH); 712 } 713 714 /* 715 * This is a hack to work around some broken ports that don't call 716 * cnpollc() before cngetc(). 717 */ 718 static int pollenter, warned; 719 720 /* Console interface. */ 721 void 722 ukbd_cngetc(void *v, u_int *type, int *data) 723 { 724 struct ukbd_softc *sc = v; 725 int c; 726 int broken; 727 728 if (pollenter == 0) { 729 if (!warned) { 730 printf("\n" 731 "This port is broken, it does not call cnpollc() before calling cngetc().\n" 732 "This should be fixed, but it will work anyway (for now).\n"); 733 warned = 1; 734 } 735 broken = 1; 736 ukbd_cnpollc(v, 1); 737 } else 738 broken = 0; 739 740 DPRINTFN(0,("ukbd_cngetc: enter\n")); 741 sc->sc_polling = 1; 742 while(sc->sc_npollchar <= 0) 743 usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface); 744 sc->sc_polling = 0; 745 c = sc->sc_pollchars[0]; 746 sc->sc_npollchar--; 747 memcpy(sc->sc_pollchars, sc->sc_pollchars+1, 748 sc->sc_npollchar * sizeof(u_int16_t)); 749 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 750 *data = c & CODEMASK; 751 DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c)); 752 if (broken) 753 ukbd_cnpollc(v, 0); 754 } 755 756 void 757 ukbd_cnpollc(void *v, int on) 758 { 759 struct ukbd_softc *sc = v; 760 usbd_device_handle dev; 761 762 DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on)); 763 764 usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev); 765 if (on) { 766 sc->sc_spl = splusb(); 767 pollenter++; 768 } else { 769 splx(sc->sc_spl); 770 pollenter--; 771 } 772 usbd_set_polling(dev, on); 773 } 774 775 int 776 ukbd_cnattach(void) 777 { 778 779 /* 780 * XXX USB requires too many parts of the kernel to be running 781 * XXX in order to work, so we can't do much for the console 782 * XXX keyboard until autconfiguration has run its course. 783 */ 784 ukbd_is_console = 1; 785 return (0); 786 } 787 788 const char * 789 ukbd_parse_desc(struct ukbd_softc *sc) 790 { 791 struct hid_data *d; 792 struct hid_item h; 793 int size; 794 void *desc; 795 int imod; 796 797 uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size); 798 imod = 0; 799 sc->sc_nkeycode = 0; 800 d = hid_start_parse(desc, size, hid_input); 801 while (hid_get_item(d, &h)) { 802 /*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n", 803 h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/ 804 if (h.kind != hid_input || (h.flags & HIO_CONST) || 805 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 806 h.report_ID != sc->sc_hdev.sc_report_id) 807 continue; 808 DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d " 809 "cnt=%d\n", imod, 810 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); 811 if (h.flags & HIO_VARIABLE) { 812 if (h.loc.size != 1) 813 return ("bad modifier size"); 814 /* Single item */ 815 if (imod < MAXMOD) { 816 sc->sc_modloc[imod] = h.loc; 817 sc->sc_mods[imod].mask = 1 << imod; 818 sc->sc_mods[imod].key = HID_GET_USAGE(h.usage); 819 imod++; 820 } else 821 return ("too many modifier keys"); 822 } else { 823 /* Array */ 824 if (h.loc.size != 8) 825 return ("key code size != 8"); 826 if (h.loc.count > MAXKEYCODE) 827 return ("too many key codes"); 828 if (h.loc.pos % 8 != 0) 829 return ("key codes not on byte boundary"); 830 if (sc->sc_nkeycode != 0) 831 return ("multiple key code arrays\n"); 832 sc->sc_keycodeloc = h.loc; 833 sc->sc_nkeycode = h.loc.count; 834 } 835 } 836 sc->sc_nmod = imod; 837 hid_end_parse(d); 838 839 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK), 840 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL); 841 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK), 842 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL); 843 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK), 844 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL); 845 846 return (NULL); 847 } 848
Indexes created Wed Sep 24 15:09:51 GMT 2025