ukbd.c revision 1.94
1 /* $NetBSD: ukbd.c,v 1.94 2006/11/16 01:33:27 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 1.94 2006/11/16 01:33:27 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, 282 void *aux) 283 { 284 struct uhidev_attach_arg *uha = aux; 285 int size; 286 void *desc; 287 288 uhidev_get_report_desc(uha->parent, &desc, &size); 289 if (!hid_is_collection(desc, size, uha->reportid, 290 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD))) 291 return (UMATCH_NONE); 292 293 return (UMATCH_IFACECLASS); 294 } 295 296 void 297 ukbd_attach(struct device *parent, struct device *self, void *aux) 298 { 299 struct ukbd_softc *sc = (struct ukbd_softc *)self; 300 struct uhidev_attach_arg *uha = aux; 301 u_int32_t qflags; 302 const char *parseerr; 303 #if defined(__NetBSD__) 304 struct wskbddev_attach_args a; 305 #else 306 int i; 307 #endif 308 309 sc->sc_hdev.sc_intr = ukbd_intr; 310 sc->sc_hdev.sc_parent = uha->parent; 311 sc->sc_hdev.sc_report_id = uha->reportid; 312 313 parseerr = ukbd_parse_desc(sc); 314 if (parseerr != NULL) { 315 printf("\n%s: attach failed, %s\n", 316 sc->sc_hdev.sc_dev.dv_xname, parseerr); 317 USB_ATTACH_ERROR_RETURN; 318 } 319 320 #ifdef DIAGNOSTIC 321 printf(": %d modifier keys, %d key codes", sc->sc_nmod, 322 sc->sc_nkeycode); 323 #endif 324 printf("\n"); 325 326 327 qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; 328 sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0; 329 330 /* 331 * Remember if we're the console keyboard. 332 * 333 * XXX This always picks the first keyboard on the 334 * first USB bus, but what else can we really do? 335 */ 336 if ((sc->sc_console_keyboard = ukbd_is_console) != 0) { 337 /* Don't let any other keyboard have it. */ 338 ukbd_is_console = 0; 339 } 340 341 if (sc->sc_console_keyboard) { 342 DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc)); 343 wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata); 344 ukbd_enable(sc, 1); 345 } 346 347 a.console = sc->sc_console_keyboard; 348 349 a.keymap = &ukbd_keymapdata; 350 351 a.accessops = &ukbd_accessops; 352 a.accesscookie = sc; 353 354 #ifdef UKBD_REPEAT 355 usb_callout_init(sc->sc_rawrepeat_ch); 356 #endif 357 358 usb_callout_init(sc->sc_delay); 359 360 /* Flash the leds; no real purpose, just shows we're alive. */ 361 ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS); 362 usbd_delay_ms(uha->parent->sc_udev, 400); 363 ukbd_set_leds(sc, 0); 364 365 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 366 367 USB_ATTACH_SUCCESS_RETURN; 368 } 369 370 int 371 ukbd_enable(void *v, int on) 372 { 373 struct ukbd_softc *sc = v; 374 375 if (on && sc->sc_dying) 376 return (EIO); 377 378 /* Should only be called to change state */ 379 if (sc->sc_enabled == on) { 380 #ifdef DIAGNOSTIC 381 printf("ukbd_enable: %s: bad call on=%d\n", 382 USBDEVNAME(sc->sc_hdev.sc_dev), on); 383 #endif 384 return (EBUSY); 385 } 386 387 DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on)); 388 sc->sc_enabled = on; 389 if (on) { 390 return (uhidev_open(&sc->sc_hdev)); 391 } else { 392 uhidev_close(&sc->sc_hdev); 393 return (0); 394 } 395 } 396 397 int 398 ukbd_activate(device_ptr_t self, enum devact act) 399 { 400 struct ukbd_softc *sc = (struct ukbd_softc *)self; 401 int rv = 0; 402 403 switch (act) { 404 case DVACT_ACTIVATE: 405 return (EOPNOTSUPP); 406 407 case DVACT_DEACTIVATE: 408 if (sc->sc_wskbddev != NULL) 409 rv = config_deactivate(sc->sc_wskbddev); 410 sc->sc_dying = 1; 411 break; 412 } 413 return (rv); 414 } 415 416 int 417 ukbd_detach(struct device *self, int flags) 418 { 419 struct ukbd_softc *sc = (struct ukbd_softc *)self; 420 int rv = 0; 421 422 DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags)); 423 424 if (sc->sc_console_keyboard) { 425 #if 0 426 /* 427 * XXX Should probably disconnect our consops, 428 * XXX and either notify some other keyboard that 429 * XXX it can now be the console, or if there aren't 430 * XXX any more USB keyboards, set ukbd_is_console 431 * XXX back to 1 so that the next USB keyboard attached 432 * XXX to the system will get it. 433 */ 434 panic("ukbd_detach: console keyboard"); 435 #else 436 /* 437 * Disconnect our consops and set ukbd_is_console 438 * back to 1 so that the next USB keyboard attached 439 * to the system will get it. 440 * XXX Should notify some other keyboard that it can be 441 * XXX console, if there are any other keyboards. 442 */ 443 printf("%s: was console keyboard\n", 444 USBDEVNAME(sc->sc_hdev.sc_dev)); 445 wskbd_cndetach(); 446 ukbd_is_console = 1; 447 #endif 448 } 449 /* No need to do reference counting of ukbd, wskbd has all the goo. */ 450 if (sc->sc_wskbddev != NULL) 451 rv = config_detach(sc->sc_wskbddev, flags); 452 453 /* The console keyboard does not get a disable call, so check pipe. */ 454 if (sc->sc_hdev.sc_state & UHIDEV_OPEN) 455 uhidev_close(&sc->sc_hdev); 456 457 return (rv); 458 } 459 460 void 461 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len) 462 { 463 struct ukbd_softc *sc = (struct ukbd_softc *)addr; 464 struct ukbd_data *ud = &sc->sc_ndata; 465 int i; 466 467 #ifdef UKBD_DEBUG 468 if (ukbddebug > 5) { 469 printf("ukbd_intr: data"); 470 for (i = 0; i < len; i++) 471 printf(" 0x%02x", ((u_char *)ibuf)[i]); 472 printf("\n"); 473 } 474 #endif 475 476 ud->modifiers = 0; 477 for (i = 0; i < sc->sc_nmod; i++) 478 if (hid_get_data(ibuf, &sc->sc_modloc[i])) 479 ud->modifiers |= sc->sc_mods[i].mask; 480 memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8, 481 sc->sc_nkeycode); 482 483 if (sc->sc_debounce && !sc->sc_polling) { 484 /* 485 * Some keyboards have a peculiar quirk. They sometimes 486 * generate a key up followed by a key down for the same 487 * key after about 10 ms. 488 * We avoid this bug by holding off decoding for 20 ms. 489 */ 490 sc->sc_data = *ud; 491 usb_callout(sc->sc_delay, hz / 50, ukbd_delayed_decode, sc); 492 #ifdef DDB 493 } else if (sc->sc_console_keyboard && !sc->sc_polling) { 494 /* 495 * For the console keyboard we can't deliver CTL-ALT-ESC 496 * from the interrupt routine. Doing so would start 497 * polling from inside the interrupt routine and that 498 * loses bigtime. 499 */ 500 sc->sc_data = *ud; 501 usb_callout(sc->sc_delay, 1, ukbd_delayed_decode, sc); 502 #endif 503 } else { 504 ukbd_decode(sc, ud); 505 } 506 } 507 508 void 509 ukbd_delayed_decode(void *addr) 510 { 511 struct ukbd_softc *sc = addr; 512 513 ukbd_decode(sc, &sc->sc_data); 514 } 515 516 void 517 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud) 518 { 519 int mod, omod; 520 u_int16_t ibuf[MAXKEYS]; /* chars events */ 521 int s; 522 int nkeys, i, j; 523 int key; 524 #define ADDKEY(c) ibuf[nkeys++] = (c) 525 526 #ifdef UKBD_DEBUG 527 /* 528 * Keep a trace of the last events. Using printf changes the 529 * timing, so this can be useful sometimes. 530 */ 531 if (ukbdtrace) { 532 struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex]; 533 p->unit = device_unit(&sc->sc_hdev.sc_dev); 534 microtime(&p->tv); 535 p->ud = *ud; 536 if (++ukbdtraceindex >= UKBDTRACESIZE) 537 ukbdtraceindex = 0; 538 } 539 if (ukbddebug > 5) { 540 struct timeval tv; 541 microtime(&tv); 542 DPRINTF((" at %lu.%06lu mod=0x%02x key0=0x%02x key1=0x%02x " 543 "key2=0x%02x key3=0x%02x\n", 544 tv.tv_sec, tv.tv_usec, 545 ud->modifiers, ud->keycode[0], ud->keycode[1], 546 ud->keycode[2], ud->keycode[3])); 547 } 548 #endif 549 550 if (ud->keycode[0] == KEY_ERROR) { 551 DPRINTF(("ukbd_intr: KEY_ERROR\n")); 552 return; /* ignore */ 553 } 554 nkeys = 0; 555 mod = ud->modifiers; 556 omod = sc->sc_odata.modifiers; 557 if (mod != omod) 558 for (i = 0; i < sc->sc_nmod; i++) 559 if (( mod & sc->sc_mods[i].mask) != 560 (omod & sc->sc_mods[i].mask)) 561 ADDKEY(sc->sc_mods[i].key | 562 (mod & sc->sc_mods[i].mask 563 ? PRESS : RELEASE)); 564 if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) { 565 /* Check for released keys. */ 566 for (i = 0; i < sc->sc_nkeycode; i++) { 567 key = sc->sc_odata.keycode[i]; 568 if (key == 0) 569 continue; 570 for (j = 0; j < sc->sc_nkeycode; j++) 571 if (key == ud->keycode[j]) 572 goto rfound; 573 DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key)); 574 ADDKEY(key | RELEASE); 575 rfound: 576 ; 577 } 578 579 /* Check for pressed keys. */ 580 for (i = 0; i < sc->sc_nkeycode; i++) { 581 key = ud->keycode[i]; 582 if (key == 0) 583 continue; 584 for (j = 0; j < sc->sc_nkeycode; j++) 585 if (key == sc->sc_odata.keycode[j]) 586 goto pfound; 587 DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key)); 588 ADDKEY(key | PRESS); 589 pfound: 590 ; 591 } 592 } 593 sc->sc_odata = *ud; 594 595 if (nkeys == 0) 596 return; 597 598 if (sc->sc_polling) { 599 DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0])); 600 memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); 601 sc->sc_npollchar = nkeys; 602 return; 603 } 604 #ifdef WSDISPLAY_COMPAT_RAWKBD 605 if (sc->sc_rawkbd) { 606 u_char cbuf[MAXKEYS * 2]; 607 int c; 608 int npress; 609 610 for (npress = i = j = 0; i < nkeys; i++) { 611 key = ibuf[i]; 612 c = ukbd_trtab[key & CODEMASK]; 613 if (c == NN) 614 continue; 615 if (c & 0x80) 616 cbuf[j++] = 0xe0; 617 cbuf[j] = c & 0x7f; 618 if (key & RELEASE) 619 cbuf[j] |= 0x80; 620 #if defined(UKBD_REPEAT) 621 else { 622 /* remember pressed keys for autorepeat */ 623 if (c & 0x80) 624 sc->sc_rep[npress++] = 0xe0; 625 sc->sc_rep[npress++] = c & 0x7f; 626 } 627 #endif 628 DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n", 629 c & 0x80 ? "0xe0 " : "", 630 cbuf[j])); 631 j++; 632 } 633 s = spltty(); 634 wskbd_rawinput(sc->sc_wskbddev, cbuf, j); 635 splx(s); 636 #ifdef UKBD_REPEAT 637 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 638 if (npress != 0) { 639 sc->sc_nrep = npress; 640 usb_callout(sc->sc_rawrepeat_ch, 641 hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc); 642 } 643 #endif 644 return; 645 } 646 #endif 647 648 s = spltty(); 649 for (i = 0; i < nkeys; i++) { 650 key = ibuf[i]; 651 wskbd_input(sc->sc_wskbddev, 652 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 653 key&CODEMASK); 654 } 655 splx(s); 656 } 657 658 void 659 ukbd_set_leds(void *v, int leds) 660 { 661 struct ukbd_softc *sc = v; 662 u_int8_t res; 663 664 DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n", 665 sc, leds, sc->sc_leds)); 666 667 if (sc->sc_dying) 668 return; 669 670 if (sc->sc_leds == leds) 671 return; 672 sc->sc_leds = leds; 673 res = 0; 674 /* XXX not really right */ 675 if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1) 676 res |= 1 << sc->sc_scroloc.pos; 677 if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1) 678 res |= 1 << sc->sc_numloc.pos; 679 if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1) 680 res |= 1 << sc->sc_capsloc.pos; 681 uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1); 682 } 683 684 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 685 void 686 ukbd_rawrepeat(void *v) 687 { 688 struct ukbd_softc *sc = v; 689 int s; 690 691 s = spltty(); 692 wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep); 693 splx(s); 694 usb_callout(sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000, 695 ukbd_rawrepeat, sc); 696 } 697 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */ 698 699 int 700 ukbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, 701 struct lwp *l) 702 { 703 struct ukbd_softc *sc = v; 704 705 switch (cmd) { 706 case WSKBDIO_GTYPE: 707 *(int *)data = WSKBD_TYPE_USB; 708 return (0); 709 case WSKBDIO_SETLEDS: 710 ukbd_set_leds(v, *(int *)data); 711 return (0); 712 case WSKBDIO_GETLEDS: 713 *(int *)data = sc->sc_leds; 714 return (0); 715 #if defined(WSDISPLAY_COMPAT_RAWKBD) 716 case WSKBDIO_SETMODE: 717 DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data)); 718 sc->sc_rawkbd = *(int *)data == WSKBD_RAW; 719 #if defined(UKBD_REPEAT) 720 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 721 #endif 722 return (0); 723 #endif 724 } 725 return (EPASSTHROUGH); 726 } 727 728 /* 729 * This is a hack to work around some broken ports that don't call 730 * cnpollc() before cngetc(). 731 */ 732 static int pollenter, warned; 733 734 /* Console interface. */ 735 void 736 ukbd_cngetc(void *v, u_int *type, int *data) 737 { 738 struct ukbd_softc *sc = v; 739 int c; 740 int broken; 741 742 if (pollenter == 0) { 743 if (!warned) { 744 printf("\n" 745 "This port is broken, it does not call cnpollc() before calling cngetc().\n" 746 "This should be fixed, but it will work anyway (for now).\n"); 747 warned = 1; 748 } 749 broken = 1; 750 ukbd_cnpollc(v, 1); 751 } else 752 broken = 0; 753 754 DPRINTFN(0,("ukbd_cngetc: enter\n")); 755 sc->sc_polling = 1; 756 while(sc->sc_npollchar <= 0) 757 usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface); 758 sc->sc_polling = 0; 759 c = sc->sc_pollchars[0]; 760 sc->sc_npollchar--; 761 memcpy(sc->sc_pollchars, sc->sc_pollchars+1, 762 sc->sc_npollchar * sizeof(u_int16_t)); 763 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 764 *data = c & CODEMASK; 765 DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c)); 766 if (broken) 767 ukbd_cnpollc(v, 0); 768 } 769 770 void 771 ukbd_cnpollc(void *v, int on) 772 { 773 struct ukbd_softc *sc = v; 774 usbd_device_handle dev; 775 776 DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on)); 777 778 usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev); 779 if (on) { 780 sc->sc_spl = splusb(); 781 pollenter++; 782 } else { 783 splx(sc->sc_spl); 784 pollenter--; 785 } 786 usbd_set_polling(dev, on); 787 } 788 789 int 790 ukbd_cnattach(void) 791 { 792 793 /* 794 * XXX USB requires too many parts of the kernel to be running 795 * XXX in order to work, so we can't do much for the console 796 * XXX keyboard until autconfiguration has run its course. 797 */ 798 ukbd_is_console = 1; 799 return (0); 800 } 801 802 const char * 803 ukbd_parse_desc(struct ukbd_softc *sc) 804 { 805 struct hid_data *d; 806 struct hid_item h; 807 int size; 808 void *desc; 809 int imod; 810 811 uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size); 812 imod = 0; 813 sc->sc_nkeycode = 0; 814 d = hid_start_parse(desc, size, hid_input); 815 while (hid_get_item(d, &h)) { 816 /*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n", 817 h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/ 818 if (h.kind != hid_input || (h.flags & HIO_CONST) || 819 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 820 h.report_ID != sc->sc_hdev.sc_report_id) 821 continue; 822 DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d " 823 "cnt=%d\n", imod, 824 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); 825 if (h.flags & HIO_VARIABLE) { 826 if (h.loc.size != 1) 827 return ("bad modifier size"); 828 /* Single item */ 829 if (imod < MAXMOD) { 830 sc->sc_modloc[imod] = h.loc; 831 sc->sc_mods[imod].mask = 1 << imod; 832 sc->sc_mods[imod].key = HID_GET_USAGE(h.usage); 833 imod++; 834 } else 835 return ("too many modifier keys"); 836 } else { 837 /* Array */ 838 if (h.loc.size != 8) 839 return ("key code size != 8"); 840 if (h.loc.count > MAXKEYCODE) 841 return ("too many key codes"); 842 if (h.loc.pos % 8 != 0) 843 return ("key codes not on byte boundary"); 844 if (sc->sc_nkeycode != 0) 845 return ("multiple key code arrays\n"); 846 sc->sc_keycodeloc = h.loc; 847 sc->sc_nkeycode = h.loc.count; 848 } 849 } 850 sc->sc_nmod = imod; 851 hid_end_parse(d); 852 853 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK), 854 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL); 855 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK), 856 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL); 857 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK), 858 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL); 859 860 return (NULL); 861 } 862
Indexes created Thu Sep 25 16:09:42 GMT 2025