1 /* $NetBSD: ukbd.c,v 1.150 2021/04/24 23:36:59 thorpej 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.150 2021/04/24 23:36:59 thorpej Exp $"); 39 40 #ifdef _KERNEL_OPT 41 #include "opt_ddb.h" 42 #include "opt_ukbd.h" 43 #include "opt_ukbd_layout.h" 44 #include "opt_usb.h" 45 #include "opt_wsdisplay_compat.h" 46 #endif /* _KERNEL_OPT */ 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/callout.h> 51 #include <sys/kernel.h> 52 #include <sys/device.h> 53 #include <sys/ioctl.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/usbdivar.h> 66 #include <dev/usb/usbdevs.h> 67 #include <dev/usb/usb_quirks.h> 68 #include <dev/usb/uhidev.h> 69 #include <dev/usb/ukbdvar.h> 70 #include <dev/hid/hid.h> 71 72 #include <dev/wscons/wsconsio.h> 73 #include <dev/wscons/wskbdvar.h> 74 #include <dev/wscons/wsksymdef.h> 75 #include <dev/wscons/wsksymvar.h> 76 77 #ifdef UKBD_DEBUG 78 #define DPRINTF(x) if (ukbddebug) printf x 79 #define DPRINTFN(n,x) if (ukbddebug>(n)) printf x 80 int ukbddebug = 0; 81 #else 82 #define DPRINTF(x) 83 #define DPRINTFN(n,x) 84 #endif 85 86 #define MAXKEYCODE 32 87 #define MAXKEYS 256 88 89 struct ukbd_data { 90 uint8_t keys[MAXKEYS/NBBY]; 91 }; 92 93 #define PRESS 0x000 94 #define RELEASE 0x100 95 #define CODEMASK 0x0ff 96 97 struct ukbd_keycodetrans { 98 uint16_t from; 99 uint16_t to; 100 }; 101 102 #define IS_PMF 0x8000 103 104 Static const struct ukbd_keycodetrans trtab_apple_fn[] = { 105 { 0x0c, 0x5d }, /* i -> KP 5 */ 106 { 0x0d, 0x59 }, /* j -> KP 1 */ 107 { 0x0e, 0x5a }, /* k -> KP 2 */ 108 { 0x0f, 0x5b }, /* l -> KP 3 */ 109 { 0x10, 0x62 }, /* m -> KP 0 */ 110 { 0x12, 0x5e }, /* o -> KP 6 */ 111 { 0x13, 0x55 }, /* o -> KP * */ 112 { 0x18, 0x5c }, /* u -> KP 4 */ 113 { 0x0c, 0x5d }, /* i -> KP 5 */ 114 { 0x2a, 0x4c }, /* Backspace -> Delete */ 115 { 0x28, 0x49 }, /* Return -> Insert */ 116 { 0x24, 0x5f }, /* 7 -> KP 7 */ 117 { 0x25, 0x60 }, /* 8 -> KP 8 */ 118 { 0x26, 0x61 }, /* 9 -> KP 9 */ 119 { 0x27, 0x54 }, /* 0 -> KP / */ 120 { 0x2d, 0x67 }, /* - -> KP = */ 121 { 0x33, 0x56 }, /* ; -> KP - */ 122 { 0x37, 0x63 }, /* . -> KP . */ 123 { 0x38, 0x57 }, /* / -> KP + */ 124 { 0x3a, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_DOWN }, 125 { 0x3b, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_UP }, 126 { 0x3c, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE }, 127 { 0x3d, IS_PMF | PMFE_AUDIO_VOLUME_DOWN }, 128 { 0x3e, IS_PMF | PMFE_AUDIO_VOLUME_UP }, 129 { 0x3f, 0xd6 }, /* num lock */ 130 { 0x40, 0xd7 }, 131 { 0x41, IS_PMF | PMFE_KEYBOARD_BRIGHTNESS_TOGGLE }, 132 { 0x42, IS_PMF | PMFE_KEYBOARD_BRIGHTNESS_DOWN }, 133 { 0x43, IS_PMF | PMFE_KEYBOARD_BRIGHTNESS_UP }, 134 { 0x44, 0xdb }, 135 { 0x45, 0xdc }, 136 { 0x4f, 0x4d }, /* Right -> End */ 137 { 0x50, 0x4a }, /* Left -> Home */ 138 { 0x51, 0x4e }, /* Down -> PageDown */ 139 { 0x52, 0x4b }, /* Up -> PageUp */ 140 { 0x00, 0x00 } 141 }; 142 143 Static const struct ukbd_keycodetrans trtab_apple_iso[] = { 144 { 0x35, 0x64 }, /* swap the key above tab with key right of shift */ 145 { 0x64, 0x35 }, 146 { 0x31, 0x32 }, /* key left of return is Europe1, not "\|" */ 147 { 0x00, 0x00 } 148 }; 149 150 #ifdef GDIUM_KEYBOARD_HACK 151 Static const struct ukbd_keycodetrans trtab_gdium_fn[] = { 152 #ifdef notyet 153 { 58, 0 }, /* F1 -> toggle camera */ 154 { 59, 0 }, /* F2 -> toggle wireless */ 155 #endif 156 { 60, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE }, 157 { 61, IS_PMF | PMFE_AUDIO_VOLUME_UP }, 158 { 62, IS_PMF | PMFE_AUDIO_VOLUME_DOWN }, 159 #ifdef notyet 160 { 63, 0 }, /* F6 -> toggle ext. video */ 161 { 64, 0 }, /* F7 -> toggle mouse */ 162 #endif 163 { 65, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_UP }, 164 { 66, IS_PMF | PMFE_DISPLAY_BRIGHTNESS_DOWN }, 165 #ifdef notyet 166 { 67, 0 }, /* F10 -> suspend */ 167 { 68, 0 }, /* F11 -> user1 */ 168 { 69, 0 }, /* F12 -> user2 */ 169 { 70, 0 }, /* print screen -> sysrq */ 170 #endif 171 { 76, 71 }, /* delete -> scroll lock */ 172 { 81, 78 }, /* down -> page down */ 173 { 82, 75 }, /* up -> page up */ 174 { 0, 0 } 175 }; 176 #endif 177 178 Static const struct ukbd_keycodetrans trtab_generic[] = { 179 { 0x7f, IS_PMF | PMFE_AUDIO_VOLUME_TOGGLE }, 180 { 0x80, IS_PMF | PMFE_AUDIO_VOLUME_UP }, 181 { 0x81, IS_PMF | PMFE_AUDIO_VOLUME_DOWN }, 182 { 0x00, 0x00 } 183 }; 184 185 #if defined(WSDISPLAY_COMPAT_RAWKBD) 186 #define NN 0 /* no translation */ 187 /* 188 * Translate USB keycodes to US keyboard XT scancodes. 189 * Scancodes >= 0x80 represent EXTENDED keycodes. 190 * 191 * See http://www.microsoft.com/whdc/archive/scancode.mspx 192 * 193 * Note: a real pckbd(4) has more complexity in its 194 * protocol for some keys than this translation implements. 195 * For example, some keys generate Fake ShiftL events (e0 2a) 196 * before the actual key sequence. 197 */ 198 Static const uint8_t ukbd_trtab[256] = { 199 NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */ 200 0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */ 201 0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */ 202 0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */ 203 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */ 204 0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */ 205 0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */ 206 0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */ 207 0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xb7, 0x46, /* 40 - 47 */ 208 0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */ 209 0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */ 210 0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */ 211 0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, 0xdf, 0x59, /* 60 - 67 */ 212 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, NN, /* 68 - 6f */ 213 NN, NN, NN, NN, 0x84, 0x85, 0x87, 0x88, /* 70 - 77 */ 214 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, NN, /* 78 - 7f */ 215 NN, NN, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */ 216 0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */ 217 NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */ 218 NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */ 219 NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */ 220 NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */ 221 NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */ 222 NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */ 223 NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */ 224 NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */ 225 NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */ 226 NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */ 227 0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */ 228 NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */ 229 NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */ 230 NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */ 231 }; 232 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */ 233 234 #define KEY_ERROR 0x01 235 236 struct ukbd_softc { 237 struct uhidev sc_hdev; 238 239 struct ukbd_data sc_ndata; 240 struct ukbd_data sc_odata; 241 struct hid_location sc_keyloc[MAXKEYS]; 242 uint8_t sc_keyuse[MAXKEYS]; 243 u_int sc_nkeyloc; 244 245 struct hid_location sc_keycodeloc; 246 u_int sc_nkeycode; 247 248 u_int sc_flags; /* flags */ 249 #define FLAG_ENABLED 0x0001 250 #define FLAG_POLLING 0x0002 251 #define FLAG_DEBOUNCE 0x0004 /* for quirk handling */ 252 #define FLAG_APPLE_FIX_ISO 0x0008 253 #define FLAG_APPLE_FN 0x0010 254 #define FLAG_GDIUM_FN 0x0020 255 #define FLAG_FN_PRESSED 0x0100 /* FN key is held down */ 256 #define FLAG_FN_ALT 0x0200 /* Last Alt key was FN-Alt = AltGr */ 257 258 int sc_console_keyboard; /* we are the console keyboard */ 259 260 struct callout sc_delay; /* for quirk handling */ 261 #define MAXPENDING 32 262 struct ukbd_data sc_data[MAXPENDING]; 263 size_t sc_data_w, sc_data_r; 264 265 struct hid_location sc_apple_fn; 266 struct hid_location sc_numloc; 267 struct hid_location sc_capsloc; 268 struct hid_location sc_scroloc; 269 struct hid_location sc_compose; 270 int sc_leds; 271 struct usb_task sc_ledtask; 272 device_t sc_wskbddev; 273 274 #if defined(WSDISPLAY_COMPAT_RAWKBD) 275 int sc_rawkbd; 276 #if defined(UKBD_REPEAT) 277 struct callout sc_rawrepeat_ch; 278 #define REP_DELAY1 400 279 #define REP_DELAYN 100 280 int sc_nrep; 281 char sc_rep[MAXKEYS]; 282 #endif /* defined(UKBD_REPEAT) */ 283 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */ 284 285 int sc_spl; 286 int sc_npollchar; 287 uint16_t sc_pollchars[MAXKEYS]; 288 289 u_char sc_dying; 290 }; 291 292 #ifdef UKBD_DEBUG 293 #define UKBDTRACESIZE 64 294 struct ukbdtraceinfo { 295 int unit; 296 struct timeval tv; 297 struct ukbd_data ud; 298 }; 299 struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE]; 300 int ukbdtraceindex = 0; 301 int ukbdtrace = 0; 302 void ukbdtracedump(void); 303 void 304 ukbdtracedump(void) 305 { 306 size_t i, j; 307 for (i = 0; i < UKBDTRACESIZE; i++) { 308 struct ukbdtraceinfo *p = 309 &ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE]; 310 printf("%"PRIu64".%06"PRIu64":", p->tv.tv_sec, 311 (uint64_t)p->tv.tv_usec); 312 for (j = 0; j < MAXKEYS; j++) { 313 if (isset(p->ud.keys, j)) 314 printf(" %zu", j); 315 } 316 printf(".\n"); 317 } 318 } 319 #endif 320 321 #define UKBDUNIT(dev) (minor(dev)) 322 #define UKBD_CHUNK 128 /* chunk size for read */ 323 #define UKBD_BSIZE 1020 /* buffer size */ 324 325 Static int ukbd_is_console; 326 327 Static void ukbd_cngetc(void *, u_int *, int *); 328 Static void ukbd_cnpollc(void *, int); 329 330 const struct wskbd_consops ukbd_consops = { 331 .getc = ukbd_cngetc, 332 .pollc = ukbd_cnpollc, 333 .bell = NULL, 334 }; 335 336 Static const char *ukbd_parse_desc(struct ukbd_softc *); 337 338 Static void ukbd_intr(struct uhidev *, void *, u_int); 339 Static void ukbd_decode(struct ukbd_softc *, struct ukbd_data *); 340 Static void ukbd_delayed_decode(void *); 341 342 Static int ukbd_enable(void *, int); 343 Static void ukbd_set_leds(void *, int); 344 Static void ukbd_set_leds_task(void *); 345 346 Static int ukbd_ioctl(void *, u_long, void *, int, struct lwp *); 347 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 348 Static void ukbd_rawrepeat(void *v); 349 #endif 350 351 const struct wskbd_accessops ukbd_accessops = { 352 ukbd_enable, 353 ukbd_set_leds, 354 ukbd_ioctl, 355 }; 356 357 extern const struct wscons_keydesc hidkbd_keydesctab[]; 358 359 const struct wskbd_mapdata ukbd_keymapdata = { 360 hidkbd_keydesctab, 361 #if defined(UKBD_LAYOUT) 362 UKBD_LAYOUT, 363 #elif defined(PCKBD_LAYOUT) 364 PCKBD_LAYOUT, 365 #else 366 KB_US, 367 #endif 368 }; 369 370 static int ukbd_match(device_t, cfdata_t, void *); 371 static void ukbd_attach(device_t, device_t, void *); 372 static int ukbd_detach(device_t, int); 373 static int ukbd_activate(device_t, enum devact); 374 static void ukbd_childdet(device_t, device_t); 375 376 377 378 CFATTACH_DECL2_NEW(ukbd, sizeof(struct ukbd_softc), ukbd_match, ukbd_attach, 379 ukbd_detach, ukbd_activate, NULL, ukbd_childdet); 380 381 int 382 ukbd_match(device_t parent, cfdata_t match, void *aux) 383 { 384 struct uhidev_attach_arg *uha = aux; 385 int size; 386 void *desc; 387 388 uhidev_get_report_desc(uha->parent, &desc, &size); 389 if (!hid_is_collection(desc, size, uha->reportid, 390 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD))) 391 return UMATCH_NONE; 392 393 return UMATCH_IFACECLASS; 394 } 395 396 void 397 ukbd_attach(device_t parent, device_t self, void *aux) 398 { 399 struct ukbd_softc *sc = device_private(self); 400 struct uhidev_attach_arg *uha = aux; 401 uint32_t qflags; 402 const char *parseerr; 403 struct wskbddev_attach_args a; 404 405 sc->sc_hdev.sc_dev = self; 406 sc->sc_hdev.sc_intr = ukbd_intr; 407 sc->sc_hdev.sc_parent = uha->parent; 408 sc->sc_hdev.sc_report_id = uha->reportid; 409 sc->sc_flags = 0; 410 411 aprint_naive("\n"); 412 413 if (!pmf_device_register(self, NULL, NULL)) { 414 aprint_normal("\n"); 415 aprint_error_dev(self, "couldn't establish power handler\n"); 416 } 417 418 parseerr = ukbd_parse_desc(sc); 419 if (parseerr != NULL) { 420 aprint_normal("\n"); 421 aprint_error_dev(self, "attach failed, %s\n", parseerr); 422 return; 423 } 424 425 /* Quirks */ 426 qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; 427 if (qflags & UQ_SPUR_BUT_UP) 428 sc->sc_flags |= FLAG_DEBOUNCE; 429 if (qflags & UQ_APPLE_ISO) 430 sc->sc_flags |= FLAG_APPLE_FIX_ISO; 431 432 #ifdef GDIUM_KEYBOARD_HACK 433 if (uha->uiaa->uiaa_vendor == USB_VENDOR_CYPRESS && 434 uha->uiaa->uiaa_product == USB_PRODUCT_CYPRESS_LPRDK) 435 sc->sc_flags = FLAG_GDIUM_FN; 436 #endif 437 438 #ifdef USBVERBOSE 439 aprint_normal(": %d Variable keys, %d Array codes", sc->sc_nkeyloc, 440 sc->sc_nkeycode); 441 if (sc->sc_flags & FLAG_APPLE_FN) 442 aprint_normal(", apple fn key"); 443 if (sc->sc_flags & FLAG_APPLE_FIX_ISO) 444 aprint_normal(", fix apple iso"); 445 if (sc->sc_flags & FLAG_GDIUM_FN) 446 aprint_normal(", Gdium fn key"); 447 #endif 448 aprint_normal("\n"); 449 450 /* 451 * Remember if we're the console keyboard. 452 * 453 * XXX This always picks the first keyboard on the 454 * first USB bus, but what else can we really do? 455 */ 456 if ((sc->sc_console_keyboard = ukbd_is_console) != 0) { 457 /* Don't let any other keyboard have it. */ 458 ukbd_is_console = 0; 459 } 460 461 if (sc->sc_console_keyboard) { 462 DPRINTF(("%s: console keyboard sc=%p\n", __func__, sc)); 463 wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata); 464 ukbd_enable(sc, 1); 465 } 466 467 a.console = sc->sc_console_keyboard; 468 469 a.keymap = &ukbd_keymapdata; 470 471 a.accessops = &ukbd_accessops; 472 a.accesscookie = sc; 473 474 #ifdef UKBD_REPEAT 475 callout_init(&sc->sc_rawrepeat_ch, 0); 476 #endif 477 478 callout_init(&sc->sc_delay, 0); 479 480 sc->sc_data_w = 0; 481 sc->sc_data_r = 0; 482 483 usb_init_task(&sc->sc_ledtask, ukbd_set_leds_task, sc, 0); 484 485 /* Flash the leds; no real purpose, just shows we're alive. */ 486 ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS 487 | WSKBD_LED_COMPOSE); 488 usbd_delay_ms(uha->parent->sc_udev, 400); 489 ukbd_set_leds(sc, 0); 490 491 sc->sc_wskbddev = config_found(self, &a, wskbddevprint, CFARG_EOL); 492 493 return; 494 } 495 496 int 497 ukbd_enable(void *v, int on) 498 { 499 struct ukbd_softc *sc = v; 500 501 if (on && sc->sc_dying) 502 return EIO; 503 504 /* Should only be called to change state */ 505 if ((sc->sc_flags & FLAG_ENABLED) != 0 && on != 0) { 506 #ifdef DIAGNOSTIC 507 aprint_error_dev(sc->sc_hdev.sc_dev, "bad call on=%d\n", on); 508 #endif 509 return EBUSY; 510 } 511 512 DPRINTF(("%s: sc=%p on=%d\n", __func__, sc, on)); 513 if (on) { 514 sc->sc_flags |= FLAG_ENABLED; 515 return uhidev_open(&sc->sc_hdev); 516 } else { 517 sc->sc_flags &= ~FLAG_ENABLED; 518 uhidev_close(&sc->sc_hdev); 519 return 0; 520 } 521 } 522 523 524 static void 525 ukbd_childdet(device_t self, device_t child) 526 { 527 struct ukbd_softc *sc = device_private(self); 528 529 KASSERT(sc->sc_wskbddev == child); 530 sc->sc_wskbddev = NULL; 531 } 532 533 int 534 ukbd_activate(device_t self, enum devact act) 535 { 536 struct ukbd_softc *sc = device_private(self); 537 538 switch (act) { 539 case DVACT_DEACTIVATE: 540 sc->sc_dying = 1; 541 return 0; 542 default: 543 return EOPNOTSUPP; 544 } 545 } 546 547 int 548 ukbd_detach(device_t self, int flags) 549 { 550 struct ukbd_softc *sc = device_private(self); 551 int rv = 0; 552 553 DPRINTF(("%s: sc=%p flags=%d\n", __func__, sc, flags)); 554 555 pmf_device_deregister(self); 556 557 if (sc->sc_console_keyboard) { 558 /* 559 * Disconnect our consops and set ukbd_is_console 560 * back to 1 so that the next USB keyboard attached 561 * to the system will get it. 562 * XXX Should notify some other keyboard that it can be 563 * XXX console, if there are any other keyboards. 564 */ 565 printf("%s: was console keyboard\n", 566 device_xname(sc->sc_hdev.sc_dev)); 567 wskbd_cndetach(); 568 ukbd_is_console = 1; 569 } 570 /* No need to do reference counting of ukbd, wskbd has all the goo. */ 571 if (sc->sc_wskbddev != NULL) 572 rv = config_detach(sc->sc_wskbddev, flags); 573 574 /* The console keyboard does not get a disable call, so check pipe. */ 575 if (sc->sc_hdev.sc_state & UHIDEV_OPEN) 576 uhidev_close(&sc->sc_hdev); 577 578 return rv; 579 } 580 581 static void 582 ukbd_translate_keycodes(struct ukbd_softc *sc, struct ukbd_data *ud, 583 const struct ukbd_keycodetrans *tab) 584 { 585 const struct ukbd_keycodetrans *tp; 586 struct ukbd_data oud; 587 int i; 588 589 oud = *ud; 590 591 for (i = 4; i < MAXKEYS; i++) { 592 if (isset(oud.keys, i)) 593 for (tp = tab; tp->from; tp++) 594 if (tp->from == i) { 595 if (tp->to & IS_PMF) { 596 pmf_event_inject( 597 sc->sc_hdev.sc_dev, 598 tp->to & 0xff); 599 } else 600 setbit(ud->keys, tp->to); 601 clrbit(ud->keys, i); 602 break; 603 } 604 } 605 } 606 607 static uint16_t 608 ukbd_translate_modifier(struct ukbd_softc *sc, uint16_t key) 609 { 610 if ((sc->sc_flags & FLAG_APPLE_FN) && (key & CODEMASK) == 0x00e2) { 611 if ((key & ~CODEMASK) == PRESS) { 612 if (sc->sc_flags & FLAG_FN_PRESSED) { 613 /* pressed FN-Alt, translate to AltGr */ 614 key = 0x00e6 | PRESS; 615 sc->sc_flags |= FLAG_FN_ALT; 616 } 617 } else { 618 if (sc->sc_flags & FLAG_FN_ALT) { 619 /* released Alt, which was treated as FN-Alt */ 620 key = 0x00e6 | RELEASE; 621 sc->sc_flags &= ~FLAG_FN_ALT; 622 } 623 } 624 } 625 return key; 626 } 627 628 void 629 ukbd_intr(struct uhidev *addr, void *ibuf, u_int len) 630 { 631 struct ukbd_softc *sc = (struct ukbd_softc *)addr; 632 struct ukbd_data *ud = &sc->sc_ndata; 633 int i; 634 635 #ifdef UKBD_DEBUG 636 if (ukbddebug > 5) { 637 printf("ukbd_intr: data"); 638 for (i = 0; i < len; i++) 639 printf(" 0x%02x", ((u_char *)ibuf)[i]); 640 printf("\n"); 641 } 642 #endif 643 644 memset(ud->keys, 0, sizeof(ud->keys)); 645 646 for (i = 0; i < sc->sc_nkeyloc; i++) 647 if (hid_get_data(ibuf, &sc->sc_keyloc[i])) 648 setbit(ud->keys, sc->sc_keyuse[i]); 649 650 const uint8_t * const scancode = (char *)ibuf + sc->sc_keycodeloc.pos / 8; 651 const uint16_t Keyboard_NoEvent = 0x0000; 652 for (i = 0; i < sc->sc_nkeycode; i++) { 653 if (scancode[i] != Keyboard_NoEvent) 654 setbit(ud->keys, scancode[i]); 655 } 656 657 if (sc->sc_flags & FLAG_APPLE_FN) { 658 if (hid_get_data(ibuf, &sc->sc_apple_fn)) { 659 sc->sc_flags |= FLAG_FN_PRESSED; 660 ukbd_translate_keycodes(sc, ud, trtab_apple_fn); 661 } 662 else 663 sc->sc_flags &= ~FLAG_FN_PRESSED; 664 } 665 666 #ifdef GDIUM_KEYBOARD_HACK 667 if (sc->sc_flags & FLAG_GDIUM_FN) { 668 if (sc->sc_flags & FLAG_FN_PRESSED) { 669 ukbd_translate_keycodes(sc, ud, trtab_gdium_fn); 670 } 671 } 672 #endif 673 674 ukbd_translate_keycodes(sc, ud, trtab_generic); 675 676 if ((sc->sc_flags & FLAG_DEBOUNCE) && !(sc->sc_flags & FLAG_POLLING)) { 677 /* 678 * Some keyboards have a peculiar quirk. They sometimes 679 * generate a key up followed by a key down for the same 680 * key after about 10 ms. 681 * We avoid this bug by holding off decoding for 20 ms. 682 * Note that this comes at a cost: we deliberately overwrite 683 * the data for any keyboard event that is followed by 684 * another one within this time window. 685 */ 686 if (sc->sc_data_w == sc->sc_data_r) { 687 sc->sc_data_w = (sc->sc_data_w + 1) % MAXPENDING; 688 } 689 sc->sc_data[sc->sc_data_w] = *ud; 690 callout_reset(&sc->sc_delay, hz / 50, ukbd_delayed_decode, sc); 691 #ifdef DDB 692 } else if (sc->sc_console_keyboard && !(sc->sc_flags & FLAG_POLLING)) { 693 /* 694 * For the console keyboard we can't deliver CTL-ALT-ESC 695 * from the interrupt routine. Doing so would start 696 * polling from inside the interrupt routine and that 697 * loses bigtime. 698 */ 699 sc->sc_data_w = (sc->sc_data_w + 1) % MAXPENDING; 700 sc->sc_data[sc->sc_data_w] = *ud; 701 callout_reset(&sc->sc_delay, 0, ukbd_delayed_decode, sc); 702 #endif 703 } else { 704 ukbd_decode(sc, ud); 705 } 706 } 707 708 void 709 ukbd_delayed_decode(void *addr) 710 { 711 struct ukbd_softc *sc = addr; 712 713 while (sc->sc_data_r != sc->sc_data_w) { 714 sc->sc_data_r = (sc->sc_data_r + 1) % MAXPENDING; 715 ukbd_decode(sc, &sc->sc_data[sc->sc_data_r]); 716 } 717 } 718 719 void 720 ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud) 721 { 722 uint16_t ibuf[MAXKEYS]; /* chars events */ 723 int s; 724 int nkeys, i; 725 #ifdef WSDISPLAY_COMPAT_RAWKBD 726 int j; 727 #endif 728 int key; 729 #define ADDKEY(c) do { \ 730 KASSERT(nkeys < MAXKEYS); \ 731 ibuf[nkeys++] = (c); \ 732 } while (0) 733 734 #ifdef UKBD_DEBUG 735 /* 736 * Keep a trace of the last events. Using printf changes the 737 * timing, so this can be useful sometimes. 738 */ 739 if (ukbdtrace) { 740 struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex]; 741 p->unit = device_unit(sc->sc_hdev.sc_dev); 742 microtime(&p->tv); 743 p->ud = *ud; 744 if (++ukbdtraceindex >= UKBDTRACESIZE) 745 ukbdtraceindex = 0; 746 } 747 if (ukbddebug > 5) { 748 struct timeval tv; 749 microtime(&tv); 750 DPRINTF((" at %"PRIu64".%06"PRIu64":", tv.tv_sec, 751 (uint64_t)tv.tv_usec)); 752 for (size_t k = 0; k < MAXKEYS; k++) { 753 if (isset(ud->keys, k)) 754 DPRINTF((" %zu", k)); 755 } 756 DPRINTF((".\n")); 757 } 758 #endif 759 760 if (isset(ud->keys, KEY_ERROR)) { 761 DPRINTF(("%s: KEY_ERROR\n", __func__)); 762 return; /* ignore */ 763 } 764 765 if (sc->sc_flags & FLAG_APPLE_FIX_ISO) 766 ukbd_translate_keycodes(sc, ud, trtab_apple_iso); 767 768 nkeys = 0; 769 for (i = 0; i < MAXKEYS; i++) { 770 #ifdef GDIUM_KEYBOARD_HACK 771 if (sc->sc_flags & FLAG_GDIUM_FN && i == 0x82) { 772 if (isset(ud->keys, i)) 773 sc->sc_flags |= FLAG_FN_PRESSED; 774 else 775 sc->sc_flags &= ~FLAG_FN_PRESSED; 776 } 777 #endif 778 if (isset(ud->keys, i) != isset(sc->sc_odata.keys, i)) { 779 key = i | ((isset(ud->keys, i) ? PRESS : RELEASE)); 780 ADDKEY(ukbd_translate_modifier(sc, key)); 781 } 782 } 783 sc->sc_odata = *ud; 784 785 if (nkeys == 0) 786 return; 787 788 if (sc->sc_flags & FLAG_POLLING) { 789 DPRINTFN(1,("%s: pollchar = 0x%03x\n", __func__, ibuf[0])); 790 memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(uint16_t)); 791 sc->sc_npollchar = nkeys; 792 return; 793 } 794 #ifdef WSDISPLAY_COMPAT_RAWKBD 795 if (sc->sc_rawkbd) { 796 u_char cbuf[MAXKEYS * 2]; 797 int c; 798 #if defined(UKBD_REPEAT) 799 int npress = 0; 800 #endif 801 802 for (i = j = 0; i < nkeys; i++) { 803 key = ibuf[i]; 804 c = ukbd_trtab[key & CODEMASK]; 805 if (c == NN) 806 continue; 807 if (c == 0x7f) { 808 /* pause key */ 809 cbuf[j++] = 0xe1; 810 cbuf[j++] = 0x1d; 811 cbuf[j-1] |= (key & RELEASE) ? 0x80 : 0; 812 cbuf[j] = 0x45; 813 } else { 814 if (c & 0x80) 815 cbuf[j++] = 0xe0; 816 cbuf[j] = c & 0x7f; 817 } 818 if (key & RELEASE) 819 cbuf[j] |= 0x80; 820 #if defined(UKBD_REPEAT) 821 else { 822 /* remember pressed keys for autorepeat */ 823 if (c & 0x80) 824 sc->sc_rep[npress++] = 0xe0; 825 sc->sc_rep[npress++] = c & 0x7f; 826 } 827 #endif 828 DPRINTFN(1,("%s: raw = %s0x%02x\n", __func__, 829 c & 0x80 ? "0xe0 " : "", 830 cbuf[j])); 831 j++; 832 } 833 s = spltty(); 834 wskbd_rawinput(sc->sc_wskbddev, cbuf, j); 835 splx(s); 836 #ifdef UKBD_REPEAT 837 callout_stop(&sc->sc_rawrepeat_ch); 838 if (npress != 0) { 839 sc->sc_nrep = npress; 840 callout_reset(&sc->sc_rawrepeat_ch, 841 hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc); 842 } 843 #endif 844 return; 845 } 846 #endif 847 848 s = spltty(); 849 for (i = 0; i < nkeys; i++) { 850 key = ibuf[i]; 851 wskbd_input(sc->sc_wskbddev, 852 key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, 853 key&CODEMASK); 854 } 855 splx(s); 856 } 857 858 void 859 ukbd_set_leds(void *v, int leds) 860 { 861 struct ukbd_softc *sc = v; 862 struct usbd_device *udev = sc->sc_hdev.sc_parent->sc_udev; 863 864 DPRINTF(("%s: sc=%p leds=%d, sc_leds=%d\n", __func__, 865 sc, leds, sc->sc_leds)); 866 867 if (sc->sc_dying) 868 return; 869 870 if (sc->sc_leds == leds) 871 return; 872 873 sc->sc_leds = leds; 874 usb_add_task(udev, &sc->sc_ledtask, USB_TASKQ_DRIVER); 875 } 876 877 void 878 ukbd_set_leds_task(void *v) 879 { 880 struct ukbd_softc *sc = v; 881 int leds = sc->sc_leds; 882 uint8_t res = 0; 883 884 /* XXX not really right */ 885 if ((leds & WSKBD_LED_COMPOSE) && sc->sc_compose.size == 1) 886 res |= 1 << sc->sc_compose.pos; 887 if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1) 888 res |= 1 << sc->sc_scroloc.pos; 889 if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1) 890 res |= 1 << sc->sc_numloc.pos; 891 if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1) 892 res |= 1 << sc->sc_capsloc.pos; 893 894 uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1); 895 } 896 897 #if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) 898 void 899 ukbd_rawrepeat(void *v) 900 { 901 struct ukbd_softc *sc = v; 902 int s; 903 904 s = spltty(); 905 wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep); 906 splx(s); 907 callout_reset(&sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000, 908 ukbd_rawrepeat, sc); 909 } 910 #endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */ 911 912 int 913 ukbd_ioctl(void *v, u_long cmd, void *data, int flag, 914 struct lwp *l) 915 { 916 struct ukbd_softc *sc = v; 917 918 switch (cmd) { 919 case WSKBDIO_GTYPE: 920 *(int *)data = WSKBD_TYPE_USB; 921 return 0; 922 case WSKBDIO_SETLEDS: 923 ukbd_set_leds(v, *(int *)data); 924 return 0; 925 case WSKBDIO_GETLEDS: 926 *(int *)data = sc->sc_leds; 927 return 0; 928 #if defined(WSDISPLAY_COMPAT_RAWKBD) 929 case WSKBDIO_SETMODE: 930 DPRINTF(("%s: set raw = %d\n", __func__, *(int *)data)); 931 sc->sc_rawkbd = *(int *)data == WSKBD_RAW; 932 #if defined(UKBD_REPEAT) 933 callout_stop(&sc->sc_rawrepeat_ch); 934 #endif 935 return 0; 936 #endif 937 } 938 return EPASSTHROUGH; 939 } 940 941 /* 942 * This is a hack to work around some broken ports that don't call 943 * cnpollc() before cngetc(). 944 */ 945 static int pollenter, warned; 946 947 /* Console interface. */ 948 void 949 ukbd_cngetc(void *v, u_int *type, int *data) 950 { 951 struct ukbd_softc *sc = v; 952 int c; 953 int broken; 954 955 if (pollenter == 0) { 956 if (!warned) { 957 printf("\n" 958 "This port is broken, it does not call cnpollc() before calling cngetc().\n" 959 "This should be fixed, but it will work anyway (for now).\n"); 960 warned = 1; 961 } 962 broken = 1; 963 ukbd_cnpollc(v, 1); 964 } else 965 broken = 0; 966 967 DPRINTFN(0,("%s: enter\n", __func__)); 968 sc->sc_flags |= FLAG_POLLING; 969 if (sc->sc_npollchar <= 0) 970 usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface); 971 sc->sc_flags &= ~FLAG_POLLING; 972 if (sc->sc_npollchar > 0) { 973 c = sc->sc_pollchars[0]; 974 sc->sc_npollchar--; 975 memmove(sc->sc_pollchars, sc->sc_pollchars+1, 976 sc->sc_npollchar * sizeof(uint16_t)); 977 *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; 978 *data = c & CODEMASK; 979 DPRINTFN(0,("%s: return 0x%02x\n", __func__, c)); 980 } else { 981 *type = 0; 982 *data = 0; 983 } 984 if (broken) 985 ukbd_cnpollc(v, 0); 986 } 987 988 void 989 ukbd_cnpollc(void *v, int on) 990 { 991 struct ukbd_softc *sc = v; 992 struct usbd_device *dev; 993 994 DPRINTFN(2,("%s: sc=%p on=%d\n", __func__, v, on)); 995 996 usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev); 997 if (on) { 998 sc->sc_spl = splusb(); 999 pollenter++; 1000 } else { 1001 splx(sc->sc_spl); 1002 pollenter--; 1003 } 1004 usbd_set_polling(dev, on); 1005 } 1006 1007 int 1008 ukbd_cnattach(void) 1009 { 1010 1011 /* 1012 * XXX USB requires too many parts of the kernel to be running 1013 * XXX in order to work, so we can't do much for the console 1014 * XXX keyboard until autconfiguration has run its course. 1015 */ 1016 ukbd_is_console = 1; 1017 return 0; 1018 } 1019 1020 const char * 1021 ukbd_parse_desc(struct ukbd_softc *sc) 1022 { 1023 struct hid_data *d; 1024 struct hid_item h; 1025 int size; 1026 void *desc; 1027 int ikey; 1028 1029 uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size); 1030 ikey = 0; 1031 sc->sc_nkeycode = 0; 1032 d = hid_start_parse(desc, size, hid_input); 1033 while (hid_get_item(d, &h)) { 1034 /*printf("ukbd: id=%d kind=%d usage=%#x flags=%#x pos=%d size=%d cnt=%d\n", 1035 h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/ 1036 1037 /* Check for special Apple notebook FN key */ 1038 if (HID_GET_USAGE_PAGE(h.usage) == 0x00ff && 1039 HID_GET_USAGE(h.usage) == 0x0003 && 1040 h.kind == hid_input && (h.flags & HIO_VARIABLE)) { 1041 sc->sc_flags |= FLAG_APPLE_FN; 1042 sc->sc_apple_fn = h.loc; 1043 } 1044 1045 if (h.kind != hid_input || (h.flags & HIO_CONST) || 1046 HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD || 1047 h.report_ID != sc->sc_hdev.sc_report_id) 1048 continue; 1049 DPRINTF(("%s: ikey=%d usage=%#x flags=%#x pos=%d size=%d " 1050 "cnt=%d\n", __func__, ikey, h.usage, h.flags, h.loc.pos, 1051 h.loc.size, h.loc.count)); 1052 if (h.flags & HIO_VARIABLE) { 1053 if (h.loc.size != 1) { 1054 hid_end_parse(d); 1055 return "bad modifier size"; 1056 } 1057 /* Single item */ 1058 if (ikey < MAXKEYS) { 1059 sc->sc_keyloc[ikey] = h.loc; 1060 sc->sc_keyuse[ikey] = HID_GET_USAGE(h.usage); 1061 ikey++; 1062 } else { 1063 hid_end_parse(d); 1064 return "too many Variable keys"; 1065 } 1066 } else { 1067 /* Array */ 1068 if (h.loc.size != 8) { 1069 hid_end_parse(d); 1070 return "key code size != 8"; 1071 } 1072 if (h.loc.count > MAXKEYCODE) 1073 h.loc.count = MAXKEYCODE; 1074 if (h.loc.pos % 8 != 0) { 1075 hid_end_parse(d); 1076 return "key codes not on byte boundary"; 1077 } 1078 if (sc->sc_nkeycode != 0) { 1079 hid_end_parse(d); 1080 return "multiple key code arrays"; 1081 } 1082 sc->sc_keycodeloc = h.loc; 1083 sc->sc_nkeycode = h.loc.count; 1084 } 1085 } 1086 sc->sc_nkeyloc = ikey; 1087 hid_end_parse(d); 1088 1089 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK), 1090 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL); 1091 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK), 1092 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL); 1093 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK), 1094 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL); 1095 hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_COMPOSE), 1096 sc->sc_hdev.sc_report_id, hid_output, &sc->sc_compose, NULL); 1097 1098 return NULL; 1099 } 1100