1 /* $NetBSD: ukbd.c,v 1.90 2005/12/11 12:24:01 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@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 1.90 2005/12/11 12:24:01 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 }; 240 #endif 241 242 Static const char *ukbd_parse_desc(struct ukbd_softc *sc); 243 244 Static void ukbd_intr(struct uhidev *addr, void *ibuf, u_int len); 245 Static void ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud); 246 Static void ukbd_delayed_decode(void *addr); 247 248 Static int ukbd_enable(void *, int); 249 Static void ukbd_set_leds(void *, int); 250 251 #if defined(__NetBSD__) 252 Static int ukbd_ioctl(void *, u_long, caddr_t, int, struct lwp *); 253 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 254 Static void ukbd_rawrepeat(void *v); 255 #endif 256 257 const struct wskbd_accessops ukbd_accessops = { 258 ukbd_enable, 259 ukbd_set_leds, 260 ukbd_ioctl, 261 }; 262 263 extern const struct wscons_keydesc ukbd_keydesctab[]; 264 265 const struct wskbd_mapdata ukbd_keymapdata = { 266 ukbd_keydesctab, 267 #if defined(UKBD_LAYOUT) 268 UKBD_LAYOUT, 269 #elif defined(PCKBD_LAYOUT) 270 PCKBD_LAYOUT, 271 #else 272 KB_US, 273 #endif 274 }; 275 #endif 276 277 USB_DECLARE_DRIVER(ukbd); 278 279 int 280 ukbd_match(struct device *parent, struct cfdata *match, void *aux) 281 { 282 struct uhidev_attach_arg *uha = aux; 283 int size; 284 void *desc; 285 286 uhidev_get_report_desc(uha->parent, &desc, &size); 287 if (!hid_is_collection(desc, size, uha->reportid, 288 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD))) 289 return (UMATCH_NONE); 290 291 return (UMATCH_IFACECLASS); 292 } 293 294 void 295 ukbd_attach(struct device *parent, struct device *self, void *aux) 296 { 297 struct ukbd_softc *sc = (struct ukbd_softc *)self; 298 struct uhidev_attach_arg *uha = aux; 299 u_int32_t qflags; 300 const char *parseerr; 301 #if defined(__NetBSD__) 302 struct wskbddev_attach_args a; 303 #else 304 int i; 305 #endif 306 307 sc->sc_hdev.sc_intr = ukbd_intr; 308 sc->sc_hdev.sc_parent = uha->parent; 309 sc->sc_hdev.sc_report_id = uha->reportid; 310 311 parseerr = ukbd_parse_desc(sc); 312 if (parseerr != NULL) { 313 printf("\n%s: attach failed, %s\n", 314 sc->sc_hdev.sc_dev.dv_xname, parseerr); 315 USB_ATTACH_ERROR_RETURN; 316 } 317 318 #ifdef DIAGNOSTIC 319 printf(": %d modifier keys, %d key codes", sc->sc_nmod, 320 sc->sc_nkeycode); 321 #endif 322 printf("\n"); 323 324 325 qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; 326 sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0; 327 328 /* 329 * Remember if we're the console keyboard. 330 * 331 * XXX This always picks the first keyboard on the 332 * first USB bus, but what else can we really do? 333 */ 334 if ((sc->sc_console_keyboard = ukbd_is_console) != 0) { 335 /* Don't let any other keyboard have it. */ 336 ukbd_is_console = 0; 337 } 338 339 if (sc->sc_console_keyboard) { 340 DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc)); 341 wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata); 342 ukbd_enable(sc, 1); 343 } 344 345 a.console = sc->sc_console_keyboard; 346 347 a.keymap = &ukbd_keymapdata; 348 349 a.accessops = &ukbd_accessops; 350 a.accesscookie = sc; 351 352 #ifdef UKBD_REPEAT 353 usb_callout_init(sc->sc_rawrepeat_ch); 354 #endif 355 356 usb_callout_init(sc->sc_delay); 357 358 /* Flash the leds; no real purpose, just shows we're alive. */ 359 ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS); 360 usbd_delay_ms(uha->parent->sc_udev, 400); 361 ukbd_set_leds(sc, 0); 362 363 sc->sc_wskbddev = config_found(self, &a, wskbddevprint); 364 365 USB_ATTACH_SUCCESS_RETURN; 366 } 367 368 int 369 ukbd_enable(void *v, int on) 370 { 371 struct ukbd_softc *sc = v; 372 373 if (on && sc->sc_dying) 374 return (EIO); 375 376 /* Should only be called to change state */ 377 if (sc->sc_enabled == on) { 378 #ifdef DIAGNOSTIC 379 printf("ukbd_enable: %s: bad call on=%d\n", 380 USBDEVNAME(sc->sc_hdev.sc_dev), on); 381 #endif 382 return (EBUSY); 383 } 384 385 DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on)); 386 sc->sc_enabled = on; 387 if (on) { 388 return (uhidev_open(&sc->sc_hdev)); 389 } else { 390 uhidev_close(&sc->sc_hdev); 391 return (0); 392 } 393 } 394 395 int 396 ukbd_activate(device_ptr_t self, enum devact act) 397 { 398 struct ukbd_softc *sc = (struct ukbd_softc *)self; 399 int rv = 0; 400 401 switch (act) { 402 case DVACT_ACTIVATE: 403 return (EOPNOTSUPP); 404 405 case DVACT_DEACTIVATE: 406 if (sc->sc_wskbddev != NULL) 407 rv = config_deactivate(sc->sc_wskbddev); 408 sc->sc_dying = 1; 409 break; 410 } 411 return (rv); 412 } 413 414 int 415 ukbd_detach(struct device *self, int flags) 416 { 417 struct ukbd_softc *sc = (struct ukbd_softc *)self; 418 int rv = 0; 419 420 DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags)); 421 422 if (sc->sc_console_keyboard) { 423 #if 0 424 /* 425 * XXX Should probably disconnect our consops, 426 * XXX and either notify some other keyboard that 427 * XXX it can now be the console, or if there aren't 428 * XXX any more USB keyboards, set ukbd_is_console 429 * XXX back to 1 so that the next USB keyboard attached 430 * XXX to the system will get it. 431 */ 432 panic("ukbd_detach: console keyboard"); 433 #else 434 /* 435 * Disconnect our consops and set ukbd_is_console 436 * back to 1 so that the next USB keyboard attached 437 * to the system will get it. 438 * XXX Should notify some other keyboard that it can be 439 * XXX console, if there are any other keyboards. 440 */ 441 printf("%s: was console keyboard\n", 442 USBDEVNAME(sc->sc_hdev.sc_dev)); 443 wskbd_cndetach(); 444 ukbd_is_console = 1; 445 #endif 446 } 447 /* No need to do reference counting of ukbd, wskbd has all the goo. */ 448 if (sc->sc_wskbddev != NULL) 449 rv = config_detach(sc->sc_wskbddev, flags); 450 451 /* The console keyboard does not get a disable call, so check pipe. */ 452 if (sc->sc_hdev.sc_state & UHIDEV_OPEN) 453 uhidev_close(&sc->sc_hdev); 454 455 return (rv); 456 } 457 458 void 459 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len) 460 { 461 struct ukbd_softc *sc = (struct ukbd_softc *)addr; 462 struct ukbd_data *ud = &sc->sc_ndata; 463 int i; 464 465 #ifdef UKBD_DEBUG 466 if (ukbddebug > 5) { 467 printf("ukbd_intr: data"); 468 for (i = 0; i < len; i++) 469 printf(" 0x%02x", ((u_char *)ibuf)[i]); 470 printf("\n"); 471 } 472 #endif 473 474 ud->modifiers = 0; 475 for (i = 0; i < sc->sc_nmod; i++) 476 if (hid_get_data(ibuf, &sc->sc_modloc[i])) 477 ud->modifiers |= sc->sc_mods[i].mask; 478 memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8, 479 sc->sc_nkeycode); 480 481 if (sc->sc_debounce && !sc->sc_polling) { 482 /* 483 * Some keyboards have a peculiar quirk. They sometimes 484 * generate a key up followed by a key down for the same 485 * key after about 10 ms. 486 * We avoid this bug by holding off decoding for 20 ms. 487 */ 488 sc->sc_data = *ud; 489 usb_callout(sc->sc_delay, hz / 50, ukbd_delayed_decode, sc); 490 #ifdef DDB 491 } else if (sc->sc_console_keyboard && !sc->sc_polling) { 492 /* 493 * For the console keyboard we can't deliver CTL-ALT-ESC 494 * from the interrupt routine. Doing so would start 495 * polling from inside the interrupt routine and that 496 * loses bigtime. 497 */ 498 sc->sc_data = *ud; 499 usb_callout(sc->sc_delay, 1, ukbd_delayed_decode, sc); 500 #endif 501 } else { 502 ukbd_decode(sc, ud); 503 } 504 } 505 506 void 507 ukbd_delayed_decode(void *addr) 508 { 509 struct ukbd_softc *sc = addr; 510 511 ukbd_decode(sc, &sc->sc_data); 512 } 513 514 void 515 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud) 516 { 517 int mod, omod; 518 u_int16_t ibuf[MAXKEYS]; /* chars events */ 519 int s; 520 int nkeys, i, j; 521 int key; 522 #define ADDKEY(c) ibuf[nkeys++] = (c) 523 524 #ifdef UKBD_DEBUG 525 /* 526 * Keep a trace of the last events. Using printf changes the 527 * timing, so this can be useful sometimes. 528 */ 529 if (ukbdtrace) { 530 struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex]; 531 p->unit = sc->sc_hdev.sc_dev.dv_unit; 532 microtime(&p->tv); 533 p->ud = *ud; 534 if (++ukbdtraceindex >= UKBDTRACESIZE) 535 ukbdtraceindex = 0; 536 } 537 if (ukbddebug > 5) { 538 struct timeval tv; 539 microtime(&tv); 540 DPRINTF((" at %lu.%06lu mod=0x%02x key0=0x%02x key1=0x%02x " 541 "key2=0x%02x key3=0x%02x\n", 542 tv.tv_sec, tv.tv_usec, 543 ud->modifiers, ud->keycode[0], ud->keycode[1], 544 ud->keycode[2], ud->keycode[3])); 545 } 546 #endif 547 548 if (ud->keycode[0] == KEY_ERROR) { 549 DPRINTF(("ukbd_intr: KEY_ERROR\n")); 550 return; /* ignore */ 551 } 552 nkeys = 0; 553 mod = ud->modifiers; 554 omod = sc->sc_odata.modifiers; 555 if (mod != omod) 556 for (i = 0; i < sc->sc_nmod; i++) 557 if (( mod & sc->sc_mods[i].mask) != 558 (omod & sc->sc_mods[i].mask)) 559 ADDKEY(sc->sc_mods[i].key | 560 (mod & sc->sc_mods[i].mask 561 ? PRESS : RELEASE)); 562 if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) { 563 /* Check for released keys. */ 564 for (i = 0; i < sc->sc_nkeycode; i++) { 565 key = sc->sc_odata.keycode[i]; 566 if (key == 0) 567 continue; 568 for (j = 0; j < sc->sc_nkeycode; j++) 569 if (key == ud->keycode[j]) 570 goto rfound; 571 DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key)); 572 ADDKEY(key | RELEASE); 573 rfound: 574 ; 575 } 576 577 /* Check for pressed keys. */ 578 for (i = 0; i < sc->sc_nkeycode; i++) { 579 key = ud->keycode[i]; 580 if (key == 0) 581 continue; 582 for (j = 0; j < sc->sc_nkeycode; j++) 583 if (key == sc->sc_odata.keycode[j]) 584 goto pfound; 585 DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key)); 586 ADDKEY(key | PRESS); 587 pfound: 588 ; 589 } 590 } 591 sc->sc_odata = *ud; 592 593 if (nkeys == 0) 594 return; 595 596 if (sc->sc_polling) { 597 DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0])); 598 memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); 599 sc->sc_npollchar = nkeys; 600 return; 601 } 602 #ifdef WSDISPLAY_COMPAT_RAWKBD 603 if (sc->sc_rawkbd) { 604 u_char cbuf[MAXKEYS * 2]; 605 int c; 606 int npress; 607 608 for (npress = i = j = 0; i < nkeys; i++) { 609 key = ibuf[i]; 610 c = ukbd_trtab[key & CODEMASK]; 611 if (c == NN) 612 continue; 613 if (c & 0x80) 614 cbuf[j++] = 0xe0; 615 cbuf[j] = c & 0x7f; 616 if (key & RELEASE) 617 cbuf[j] |= 0x80; 618 #if defined(UKBD_REPEAT) 619 else { 620 /* remember pressed keys for autorepeat */ 621 if (c & 0x80) 622 sc->sc_rep[npress++] = 0xe0; 623 sc->sc_rep[npress++] = c & 0x7f; 624 } 625 #endif 626 DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n", 627 c & 0x80 ? "0xe0 " : "", 628 cbuf[j])); 629 j++; 630 } 631 s = spltty(); 632 wskbd_rawinput(sc->sc_wskbddev, cbuf, j); 633 splx(s); 634 #ifdef UKBD_REPEAT 635 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 636 if (npress != 0) { 637 sc->sc_nrep = npress; 638 usb_callout(sc->sc_rawrepeat_ch, 639 hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc); 640 } 641 #endif 642 return; 643 } 644 #endif 645 646 s = spltty(); 647 for (i = 0; i < nkeys; i++) { 648 key = ibuf[i]; 649 wskbd_input(sc->sc_wskbddev, 650 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 651 key&CODEMASK); 652 } 653 splx(s); 654 } 655 656 void 657 ukbd_set_leds(void *v, int leds) 658 { 659 struct ukbd_softc *sc = v; 660 u_int8_t res; 661 662 DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n", 663 sc, leds, sc->sc_leds)); 664 665 if (sc->sc_dying) 666 return; 667 668 if (sc->sc_leds == leds) 669 return; 670 sc->sc_leds = leds; 671 res = 0; 672 /* XXX not really right */ 673 if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1) 674 res |= 1 << sc->sc_scroloc.pos; 675 if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1) 676 res |= 1 << sc->sc_numloc.pos; 677 if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1) 678 res |= 1 << sc->sc_capsloc.pos; 679 uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1); 680 } 681 682 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 683 void 684 ukbd_rawrepeat(void *v) 685 { 686 struct ukbd_softc *sc = v; 687 int s; 688 689 s = spltty(); 690 wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep); 691 splx(s); 692 usb_callout(sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000, 693 ukbd_rawrepeat, sc); 694 } 695 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */ 696 697 int 698 ukbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 699 { 700 struct ukbd_softc *sc = v; 701 702 switch (cmd) { 703 case WSKBDIO_GTYPE: 704 *(int *)data = WSKBD_TYPE_USB; 705 return (0); 706 case WSKBDIO_SETLEDS: 707 ukbd_set_leds(v, *(int *)data); 708 return (0); 709 case WSKBDIO_GETLEDS: 710 *(int *)data = sc->sc_leds; 711 return (0); 712 #if defined(WSDISPLAY_COMPAT_RAWKBD) 713 case WSKBDIO_SETMODE: 714 DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data)); 715 sc->sc_rawkbd = *(int *)data == WSKBD_RAW; 716 #if defined(UKBD_REPEAT) 717 usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc); 718 #endif 719 return (0); 720 #endif 721 } 722 return (EPASSTHROUGH); 723 } 724 725 /* 726 * This is a hack to work around some broken ports that don't call 727 * cnpollc() before cngetc(). 728 */ 729 static int pollenter, warned; 730 731 /* Console interface. */ 732 void 733 ukbd_cngetc(void *v, u_int *type, int *data) 734 { 735 struct ukbd_softc *sc = v; 736 int c; 737 int broken; 738 739 if (pollenter == 0) { 740 if (!warned) { 741 printf("\n" 742 "This port is broken, it does not call cnpollc() before calling cngetc().\n" 743 "This should be fixed, but it will work anyway (for now).\n"); 744 warned = 1; 745 } 746 broken = 1; 747 ukbd_cnpollc(v, 1); 748 } else 749 broken = 0; 750 751 DPRINTFN(0,("ukbd_cngetc: enter\n")); 752 sc->sc_polling = 1; 753 while(sc->sc_npollchar <= 0) 754 usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface); 755 sc->sc_polling = 0; 756 c = sc->sc_pollchars[0]; 757 sc->sc_npollchar--; 758 memcpy(sc->sc_pollchars, sc->sc_pollchars+1, 759 sc->sc_npollchar * sizeof(u_int16_t)); 760 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 761 *data = c & CODEMASK; 762 DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c)); 763 if (broken) 764 ukbd_cnpollc(v, 0); 765 } 766 767 void 768 ukbd_cnpollc(void *v, int on) 769 { 770 struct ukbd_softc *sc = v; 771 usbd_device_handle dev; 772 773 DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on)); 774 775 usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev); 776 if (on) { 777 sc->sc_spl = splusb(); 778 pollenter++; 779 } else { 780 splx(sc->sc_spl); 781 pollenter--; 782 } 783 usbd_set_polling(dev, on); 784 } 785 786 int 787 ukbd_cnattach(void) 788 { 789 790 /* 791 * XXX USB requires too many parts of the kernel to be running 792 * XXX in order to work, so we can't do much for the console 793 * XXX keyboard until autconfiguration has run its course. 794 */ 795 ukbd_is_console = 1; 796 return (0); 797 } 798 799 const char * 800 ukbd_parse_desc(struct ukbd_softc *sc) 801 { 802 struct hid_data *d; 803 struct hid_item h; 804 int size; 805 void *desc; 806 int imod; 807 808 uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size); 809 imod = 0; 810 sc->sc_nkeycode = 0; 811 d = hid_start_parse(desc, size, hid_input); 812 while (hid_get_item(d, &h)) { 813 /*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n", 814 h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/ 815 if (h.kind != hid_input || (h.flags & HIO_CONST) || 816 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 817 h.report_ID != sc->sc_hdev.sc_report_id) 818 continue; 819 DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d " 820 "cnt=%d\n", imod, 821 h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); 822 if (h.flags & HIO_VARIABLE) { 823 if (h.loc.size != 1) 824 return ("bad modifier size"); 825 /* Single item */ 826 if (imod < MAXMOD) { 827 sc->sc_modloc[imod] = h.loc; 828 sc->sc_mods[imod].mask = 1 << imod; 829 sc->sc_mods[imod].key = HID_GET_USAGE(h.usage); 830 imod++; 831 } else 832 return ("too many modifier keys"); 833 } else { 834 /* Array */ 835 if (h.loc.size != 8) 836 return ("key code size != 8"); 837 if (h.loc.count > MAXKEYCODE) 838 return ("too many key codes"); 839 if (h.loc.pos % 8 != 0) 840 return ("key codes not on byte boundary"); 841 if (sc->sc_nkeycode != 0) 842 return ("multiple key code arrays\n"); 843 sc->sc_keycodeloc = h.loc; 844 sc->sc_nkeycode = h.loc.count; 845 } 846 } 847 sc->sc_nmod = imod; 848 hid_end_parse(d); 849 850 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK), 851 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL); 852 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK), 853 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL); 854 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK), 855 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL); 856 857 return (NULL); 858 } 859