sys/dev/usbmisc/ukbd/ukbd.c

   1 /*
   2  * $FreeBSD: src/sys/dev/usb/ukbd.c,v 1.45 2003/10/04 21:41:01 joe Exp $
   3  * $DragonFly: src/sys/dev/usbmisc/ukbd/ukbd.c,v 1.8 2004/03/15 02:27:57 dillon Exp $
   4  */
   5
   6 /*
   7  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   8  * All rights reserved.
   9  *
  10  * This code is derived from software contributed to The NetBSD Foundation
  11  * by Lennart Augustsson (lennart@augustsson.net) at
  12  * Carlstedt Research & Technology.
  13  *
  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions
  16  * are met:
  17  * 1. Redistributions of source code must retain the above copyright
  18  *    notice, this list of conditions and the following disclaimer.
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in the
  21  *    documentation and/or other materials provided with the distribution.
  22  * 3. All advertising materials mentioning features or use of this software
  23  *    must display the following acknowledgement:
  24  *        This product includes software developed by the NetBSD
  25  *        Foundation, Inc. and its contributors.
  26  * 4. Neither the name of The NetBSD Foundation nor the names of its
  27  *    contributors may be used to endorse or promote products derived
  28  *    from this software without specific prior written permission.
  29  *
  30  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  31  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  32  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  33  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  34  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  35  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  36  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  37  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  38  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  39  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  40  * POSSIBILITY OF SUCH DAMAGE.
  41  */
  42
  43 /*
  44  * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
  45  */
  46
  47 #include "opt_kbd.h"
  48 #include "opt_ukbd.h"
  49
  50 #include <sys/param.h>
  51 #include <sys/systm.h>
  52 #include <sys/kernel.h>
  53 #include <sys/ioccom.h>
  54 #include <sys/module.h>
  55 #include <sys/bus.h>
  56 #include <sys/file.h>
  57 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  58 #include <sys/limits.h>
  59 #else
  60 #include <machine/limits.h>
  61 #endif
  62 #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
  63 #include <sys/selinfo.h>
  64 #else
  65 #include <sys/select.h>
  66 #endif
  67 #include <sys/vnode.h>
  68 #include <sys/sysctl.h>
  69
  70 #include <bus/usb/usb.h>
  71 #include <bus/usb/usbhid.h>
  72 #include <bus/usb/usbdi.h>
  73 #include <bus/usb/usbdi_util.h>
  74 #include <bus/usb/usbdevs.h>
  75 #include <bus/usb/usb_quirks.h>
  76 #include <bus/usb/hid.h>
  77
  78 #include <sys/kbio.h>
  79 #include <dev/misc/kbd/kbdreg.h>
  80
  81 #define UKBD_EMULATE_ATSCANCODE 1
  82
  83 #define DRIVER_NAME     "ukbd"
  84
  85 #define delay(d)         DELAY(d)
  86
  87 #ifdef USB_DEBUG
  88 #define DPRINTF(x)      if (ukbddebug) logprintf x
  89 #define DPRINTFN(n,x)   if (ukbddebug>(n)) logprintf x
  90 int     ukbddebug = 0;
  91 SYSCTL_NODE(_hw_usb, OID_AUTO, ukbd, CTLFLAG_RW, 0, "USB ukbd");
  92 SYSCTL_INT(_hw_usb_ukbd, OID_AUTO, debug, CTLFLAG_RW,
  93            &ukbddebug, 0, "ukbd debug level");
  94 #else
  95 #define DPRINTF(x)
  96 #define DPRINTFN(n,x)
  97 #endif
  98
  99 #define UPROTO_BOOT_KEYBOARD 1
 100
 101 #define NKEYCODE 6
 102
 103 struct ukbd_data {
 104         u_int8_t        modifiers;
 105 #define MOD_CONTROL_L   0x01
 106 #define MOD_CONTROL_R   0x10
 107 #define MOD_SHIFT_L     0x02
 108 #define MOD_SHIFT_R     0x20
 109 #define MOD_ALT_L       0x04
 110 #define MOD_ALT_R       0x40
 111 #define MOD_WIN_L       0x08
 112 #define MOD_WIN_R       0x80
 113         u_int8_t        reserved;
 114         u_int8_t        keycode[NKEYCODE];
 115 };
 116
 117 #define MAXKEYS (NMOD+2*NKEYCODE)
 118
 119 typedef struct ukbd_softc {
 120         device_t                sc_dev;         /* base device */
 121 } ukbd_softc_t;
 122
 123 #define UKBD_CHUNK      128     /* chunk size for read */
 124 #define UKBD_BSIZE      1020    /* buffer size */
 125
 126 typedef void usbd_intr_t(usbd_xfer_handle, usbd_private_handle, usbd_status);
 127 typedef void usbd_disco_t(void *);
 128
 129 Static int              ukbd_resume(device_t self);
 130 Static usbd_intr_t      ukbd_intr;
 131 Static int              ukbd_driver_load(module_t mod, int what, void *arg);
 132
 133 USB_DECLARE_DRIVER_INIT(ukbd, DEVMETHOD(device_resume, ukbd_resume));
 134
 135 USB_MATCH(ukbd)
 136 {
 137         USB_MATCH_START(ukbd, uaa);
 138
 139         keyboard_switch_t *sw;
 140         void *arg[2];
 141         int unit = device_get_unit(self);
 142
 143         sw = kbd_get_switch(DRIVER_NAME);
 144         if (sw == NULL)
 145                 return (UMATCH_NONE);
 146
 147         arg[0] = (void *)uaa;
 148         arg[1] = (void *)ukbd_intr;
 149         if ((*sw->probe)(unit, (void *)arg, 0))
 150                 return (UMATCH_NONE);
 151
 152         return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
 153 }
 154
 155 USB_ATTACH(ukbd)
 156 {
 157         USB_ATTACH_START(ukbd, sc, uaa);
 158         usbd_interface_handle iface = uaa->iface;
 159         usb_interface_descriptor_t *id;
 160         char devinfo[1024];
 161
 162         keyboard_switch_t *sw;
 163         keyboard_t *kbd;
 164         void *arg[2];
 165         int unit = device_get_unit(self);
 166
 167         sw = kbd_get_switch(DRIVER_NAME);
 168         if (sw == NULL)
 169                 USB_ATTACH_ERROR_RETURN;
 170
 171         id = usbd_get_interface_descriptor(iface);
 172         usbd_devinfo(uaa->device, 0, devinfo);
 173         USB_ATTACH_SETUP;
 174         printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
 175                devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
 176
 177         arg[0] = (void *)uaa;
 178         arg[1] = (void *)ukbd_intr;
 179         kbd = NULL;
 180         if ((*sw->probe)(unit, (void *)arg, 0))
 181                 USB_ATTACH_ERROR_RETURN;
 182         if ((*sw->init)(unit, &kbd, (void *)arg, 0))
 183                 USB_ATTACH_ERROR_RETURN;
 184         (*sw->enable)(kbd);
 185
 186 #ifdef KBD_INSTALL_CDEV
 187         if (kbd_attach(kbd))
 188                 USB_ATTACH_ERROR_RETURN;
 189 #endif
 190         if (bootverbose)
 191                 (*sw->diag)(kbd, bootverbose);
 192
 193         USB_ATTACH_SUCCESS_RETURN;
 194 }
 195
 196 int
 197 ukbd_detach(device_t self)
 198 {
 199         keyboard_t *kbd;
 200         int error;
 201
 202         kbd = kbd_get_keyboard(kbd_find_keyboard(DRIVER_NAME,
 203                                                  device_get_unit(self)));
 204         if (kbd == NULL) {
 205                 DPRINTF(("%s: keyboard not attached!?\n", USBDEVNAME(self)));
 206                 return ENXIO;
 207         }
 208         (*kbdsw[kbd->kb_index]->disable)(kbd);
 209
 210 #ifdef KBD_INSTALL_CDEV
 211         error = kbd_detach(kbd);
 212         if (error)
 213                 return error;
 214 #endif
 215         error = (*kbdsw[kbd->kb_index]->term)(kbd);
 216         if (error)
 217                 return error;
 218
 219         DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
 220
 221         return (0);
 222 }
 223
 224 Static int
 225 ukbd_resume(device_t self)
 226 {
 227         keyboard_t *kbd;
 228
 229         kbd = kbd_get_keyboard(kbd_find_keyboard(DRIVER_NAME,
 230                                                  device_get_unit(self)));
 231         if (kbd)
 232                 (*kbdsw[kbd->kb_index]->clear_state)(kbd);
 233         return (0);
 234 }
 235
 236 void
 237 ukbd_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
 238 {
 239         keyboard_t *kbd = (keyboard_t *)addr;
 240
 241         (*kbdsw[kbd->kb_index]->intr)(kbd, (void *)status);
 242 }
 243
 244 DRIVER_MODULE(ukbd, uhub, ukbd_driver, ukbd_devclass, ukbd_driver_load, 0);
 245
 246
 247 #define UKBD_DEFAULT    0
 248
 249 #define KEY_ERROR       0x01
 250
 251 #define KEY_PRESS       0
 252 #define KEY_RELEASE     0x400
 253 #define KEY_INDEX(c)    ((c) & ~KEY_RELEASE)
 254
 255 #define SCAN_PRESS      0
 256 #define SCAN_RELEASE    0x80
 257 #define SCAN_PREFIX_E0  0x100
 258 #define SCAN_PREFIX_E1  0x200
 259 #define SCAN_PREFIX_CTL 0x400
 260 #define SCAN_PREFIX_SHIFT 0x800
 261 #define SCAN_PREFIX     (SCAN_PREFIX_E0 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL \
 262                          | SCAN_PREFIX_SHIFT)
 263 #define SCAN_CHAR(c)    ((c) & 0x7f)
 264
 265 #define NMOD 8
 266 Static struct {
 267         int mask, key;
 268 } ukbd_mods[NMOD] = {
 269         { MOD_CONTROL_L, 0xe0 },
 270         { MOD_CONTROL_R, 0xe4 },
 271         { MOD_SHIFT_L,   0xe1 },
 272         { MOD_SHIFT_R,   0xe5 },
 273         { MOD_ALT_L,     0xe2 },
 274         { MOD_ALT_R,     0xe6 },
 275         { MOD_WIN_L,     0xe3 },
 276         { MOD_WIN_R,     0xe7 },
 277 };
 278
 279 #define NN 0                    /* no translation */
 280 /*
 281  * Translate USB keycodes to AT keyboard scancodes.
 282  */
 283 /*
 284  * FIXME: Mac USB keyboard generates:
 285  * 0x53: keypad NumLock/Clear
 286  * 0x66: Power
 287  * 0x67: keypad =
 288  * 0x68: F13
 289  * 0x69: F14
 290  * 0x6a: F15
 291  */
 292 Static u_int8_t ukbd_trtab[256] = {
 293            0,   0,   0,   0,  30,  48,  46,  32, /* 00 - 07 */
 294           18,  33,  34,  35,  23,  36,  37,  38, /* 08 - 0F */
 295           50,  49,  24,  25,  16,  19,  31,  20, /* 10 - 17 */
 296           22,  47,  17,  45,  21,  44,   2,   3, /* 18 - 1F */
 297            4,   5,   6,   7,   8,   9,  10,  11, /* 20 - 27 */
 298           28,   1,  14,  15,  57,  12,  13,  26, /* 28 - 2F */
 299           27,  43,  43,  39,  40,  41,  51,  52, /* 30 - 37 */
 300           53,  58,  59,  60,  61,  62,  63,  64, /* 38 - 3F */
 301           65,  66,  67,  68,  87,  88,  92,  70, /* 40 - 47 */
 302          104, 102,  94,  96, 103,  99, 101,  98, /* 48 - 4F */
 303           97, 100,  95,  69,  91,  55,  74,  78, /* 50 - 57 */
 304           89,  79,  80,  81,  75,  76,  77,  71, /* 58 - 5F */
 305           72,  73,  82,  83,  86, 107,  NN,  NN, /* 60 - 67 */
 306           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 68 - 6F */
 307           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 70 - 77 */
 308           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 78 - 7F */
 309           NN,  NN,  NN,  NN,  NN,  NN,  NN, 115, /* 80 - 87 */
 310          112, 125, 121, 123,  NN,  NN,  NN,  NN, /* 88 - 8F */
 311           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 90 - 97 */
 312           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* 98 - 9F */
 313           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* A0 - A7 */
 314           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* A8 - AF */
 315           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* B0 - B7 */
 316           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* B8 - BF */
 317           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* C0 - C7 */
 318           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* C8 - CF */
 319           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* D0 - D7 */
 320           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* D8 - DF */
 321           29,  42,  56, 105,  90,  54,  93, 106, /* E0 - E7 */
 322           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* E8 - EF */
 323           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* F0 - F7 */
 324           NN,  NN,  NN,  NN,  NN,  NN,  NN,  NN, /* F8 - FF */
 325 };
 326
 327 typedef struct ukbd_state {
 328         usbd_interface_handle ks_iface; /* interface */
 329         usbd_pipe_handle ks_intrpipe;   /* interrupt pipe */
 330         struct usb_attach_arg *ks_uaa;
 331         int ks_ep_addr;
 332
 333         struct ukbd_data ks_ndata;
 334         struct ukbd_data ks_odata;
 335         u_long          ks_ntime[NKEYCODE];
 336         u_long          ks_otime[NKEYCODE];
 337
 338 #define INPUTBUFSIZE    (NMOD + 2*NKEYCODE)
 339         u_int           ks_input[INPUTBUFSIZE]; /* input buffer */
 340         int             ks_inputs;
 341         int             ks_inputhead;
 342         int             ks_inputtail;
 343
 344         int             ks_ifstate;
 345 #define INTRENABLED     (1 << 0)
 346 #define DISCONNECTED    (1 << 1)
 347
 348         struct callout_handle ks_timeout_handle;
 349
 350         int             ks_mode;        /* input mode (K_XLATE,K_RAW,K_CODE) */
 351         int             ks_flags;       /* flags */
 352 #define COMPOSE         (1 << 0)
 353         int             ks_polling;
 354         int             ks_state;       /* shift/lock key state */
 355         int             ks_accents;     /* accent key index (> 0) */
 356         u_int           ks_composed_char; /* composed char code (> 0) */
 357 #ifdef UKBD_EMULATE_ATSCANCODE
 358         u_int           ks_buffered_char[2];
 359 #endif
 360 } ukbd_state_t;
 361
 362 /* keyboard driver declaration */
 363 Static int              ukbd_configure(int flags);
 364 Static kbd_probe_t      ukbd_probe;
 365 Static kbd_init_t       ukbd_init;
 366 Static kbd_term_t       ukbd_term;
 367 Static kbd_intr_t       ukbd_interrupt;
 368 Static kbd_test_if_t    ukbd_test_if;
 369 Static kbd_enable_t     ukbd_enable;
 370 Static kbd_disable_t    ukbd_disable;
 371 Static kbd_read_t       ukbd_read;
 372 Static kbd_check_t      ukbd_check;
 373 Static kbd_read_char_t  ukbd_read_char;
 374 Static kbd_check_char_t ukbd_check_char;
 375 Static kbd_ioctl_t      ukbd_ioctl;
 376 Static kbd_lock_t       ukbd_lock;
 377 Static kbd_clear_state_t ukbd_clear_state;
 378 Static kbd_get_state_t  ukbd_get_state;
 379 Static kbd_set_state_t  ukbd_set_state;
 380 Static kbd_poll_mode_t  ukbd_poll;
 381
 382 keyboard_switch_t ukbdsw = {
 383         ukbd_probe,
 384         ukbd_init,
 385         ukbd_term,
 386         ukbd_interrupt,
 387         ukbd_test_if,
 388         ukbd_enable,
 389         ukbd_disable,
 390         ukbd_read,
 391         ukbd_check,
 392         ukbd_read_char,
 393         ukbd_check_char,
 394         ukbd_ioctl,
 395         ukbd_lock,
 396         ukbd_clear_state,
 397         ukbd_get_state,
 398         ukbd_set_state,
 399         genkbd_get_fkeystr,
 400         ukbd_poll,
 401         genkbd_diag,
 402 };
 403
 404 KEYBOARD_DRIVER(ukbd, ukbdsw, ukbd_configure);
 405
 406 /* local functions */
 407 Static int              ukbd_enable_intr(keyboard_t *kbd, int on,
 408                                          usbd_intr_t *func);
 409 Static timeout_t        ukbd_timeout;
 410
 411 Static int              ukbd_getc(ukbd_state_t *state);
 412 Static int              probe_keyboard(struct usb_attach_arg *uaa, int flags);
 413 Static int              init_keyboard(ukbd_state_t *state, int *type,
 414                                       int flags);
 415 Static void             set_leds(ukbd_state_t *state, int leds);
 416 Static int              set_typematic(keyboard_t *kbd, int code);
 417 #ifdef UKBD_EMULATE_ATSCANCODE
 418 Static int              keycode2scancode(int keycode, int shift, int up);
 419 #endif
 420
 421 /* local variables */
 422
 423 /* the initial key map, accent map and fkey strings */
 424 #ifdef UKBD_DFLT_KEYMAP
 425 #define KBD_DFLT_KEYMAP
 426 #include "ukbdmap.h"
 427 #endif
 428 #include <dev/misc/kbd/kbdtables.h>
 429
 430 /* structures for the default keyboard */
 431 Static keyboard_t       default_kbd;
 432 Static ukbd_state_t     default_kbd_state;
 433 Static keymap_t         default_keymap;
 434 Static accentmap_t      default_accentmap;
 435 Static fkeytab_t        default_fkeytab[NUM_FKEYS];
 436
 437 /*
 438  * The back door to the keyboard driver!
 439  * This function is called by the console driver, via the kbdio module,
 440  * to tickle keyboard drivers when the low-level console is being initialized.
 441  * Almost nothing in the kernel has been initialied yet.  Try to probe
 442  * keyboards if possible.
 443  * NOTE: because of the way the low-level conole is initialized, this routine
 444  * may be called more than once!!
 445  */
 446 Static int
 447 ukbd_configure(int flags)
 448 {
 449         return 0;
 450
 451 #if 0 /* not yet */
 452         keyboard_t *kbd;
 453         device_t device;
 454         struct usb_attach_arg *uaa;
 455         void *arg[2];
 456
 457         device = devclass_get_device(ukbd_devclass, UKBD_DEFAULT);
 458         if (device == NULL)
 459                 return 0;
 460         uaa = (struct usb_attach_arg *)device_get_ivars(device);
 461         if (uaa == NULL)
 462                 return 0;
 463
 464         /* probe the default keyboard */
 465         arg[0] = (void *)uaa;
 466         arg[1] = (void *)ukbd_intr;
 467         kbd = NULL;
 468         if (ukbd_probe(UKBD_DEFAULT, arg, flags))
 469                 return 0;
 470         if (ukbd_init(UKBD_DEFAULT, &kbd, arg, flags))
 471                 return 0;
 472
 473         /* return the number of found keyboards */
 474         return 1;
 475 #endif
 476 }
 477
 478 /* low-level functions */
 479
 480 /* detect a keyboard */
 481 Static int
 482 ukbd_probe(int unit, void *arg, int flags)
 483 {
 484         void **data;
 485         struct usb_attach_arg *uaa;
 486
 487         data = (void **)arg;
 488         uaa = (struct usb_attach_arg *)data[0];
 489
 490         /* XXX */
 491         if (unit == UKBD_DEFAULT) {
 492                 if (KBD_IS_PROBED(&default_kbd))
 493                         return 0;
 494         }
 495         if (probe_keyboard(uaa, flags))
 496                 return ENXIO;
 497         return 0;
 498 }
 499
 500 /* reset and initialize the device */
 501 Static int
 502 ukbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
 503 {
 504         keyboard_t *kbd;
 505         ukbd_state_t *state;
 506         keymap_t *keymap;
 507         accentmap_t *accmap;
 508         fkeytab_t *fkeymap;
 509         int fkeymap_size;
 510         void **data = (void **)arg;
 511         struct usb_attach_arg *uaa = (struct usb_attach_arg *)data[0];
 512
 513         /* XXX */
 514         if (unit == UKBD_DEFAULT) {
 515                 *kbdp = kbd = &default_kbd;
 516                 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd))
 517                         return 0;
 518                 state = &default_kbd_state;
 519                 keymap = &default_keymap;
 520                 accmap = &default_accentmap;
 521                 fkeymap = default_fkeytab;
 522                 fkeymap_size =
 523                         sizeof(default_fkeytab)/sizeof(default_fkeytab[0]);
 524         } else if (*kbdp == NULL) {
 525                 *kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_INTWAIT | M_ZERO);
 526                 state = malloc(sizeof(*state), M_DEVBUF, M_INTWAIT);
 527                 keymap = malloc(sizeof(key_map), M_DEVBUF, M_INTWAIT);
 528                 accmap = malloc(sizeof(accent_map), M_DEVBUF, M_INTWAIT);
 529                 fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_INTWAIT);
 530                 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
 531                 if ((state == NULL) || (keymap == NULL) || (accmap == NULL)
 532                      || (fkeymap == NULL)) {
 533                         if (state != NULL)
 534                                 free(state, M_DEVBUF);
 535                         if (keymap != NULL)
 536                                 free(keymap, M_DEVBUF);
 537                         if (accmap != NULL)
 538                                 free(accmap, M_DEVBUF);
 539                         if (fkeymap != NULL)
 540                                 free(fkeymap, M_DEVBUF);
 541                         free(kbd, M_DEVBUF);
 542                         return ENOMEM;
 543                 }
 544         } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) {
 545                 return 0;
 546         } else {
 547                 kbd = *kbdp;
 548                 state = (ukbd_state_t *)kbd->kb_data;
 549                 keymap = kbd->kb_keymap;
 550                 accmap = kbd->kb_accentmap;
 551                 fkeymap = kbd->kb_fkeytab;
 552                 fkeymap_size = kbd->kb_fkeytab_size;
 553         }
 554
 555         if (!KBD_IS_PROBED(kbd)) {
 556                 kbd_init_struct(kbd, DRIVER_NAME, KB_OTHER, unit, flags, 0, 0);
 557                 bzero(state, sizeof(*state));
 558                 bcopy(&key_map, keymap, sizeof(key_map));
 559                 bcopy(&accent_map, accmap, sizeof(accent_map));
 560                 bcopy(fkey_tab, fkeymap,
 561                       imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
 562                 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
 563                 kbd->kb_data = (void *)state;
 564
 565                 if (probe_keyboard(uaa, flags))
 566                         return ENXIO;
 567                 else
 568                         KBD_FOUND_DEVICE(kbd);
 569                 ukbd_clear_state(kbd);
 570                 state->ks_mode = K_XLATE;
 571                 state->ks_iface = uaa->iface;
 572                 state->ks_uaa = uaa;
 573                 state->ks_ifstate = 0;
 574                 callout_handle_init(&state->ks_timeout_handle);
 575                 /*
 576                  * FIXME: set the initial value for lock keys in ks_state
 577                  * according to the BIOS data?
 578                  */
 579                 KBD_PROBE_DONE(kbd);
 580         }
 581         if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
 582                 if (KBD_HAS_DEVICE(kbd)
 583                     && init_keyboard((ukbd_state_t *)kbd->kb_data,
 584                                      &kbd->kb_type, kbd->kb_flags))
 585                         return ENXIO;
 586                 ukbd_ioctl(kbd, KDSETLED, (caddr_t)&(state->ks_state));
 587                 KBD_INIT_DONE(kbd);
 588         }
 589         if (!KBD_IS_CONFIGURED(kbd)) {
 590                 if (kbd_register(kbd) < 0)
 591                         return ENXIO;
 592                 if (ukbd_enable_intr(kbd, TRUE, (usbd_intr_t *)data[1]) == 0)
 593                         ukbd_timeout((void *)kbd);
 594                 KBD_CONFIG_DONE(kbd);
 595         }
 596
 597         return 0;
 598 }
 599
 600 Static int
 601 ukbd_enable_intr(keyboard_t *kbd, int on, usbd_intr_t *func)
 602 {
 603         ukbd_state_t *state = (ukbd_state_t *)kbd->kb_data;
 604         usbd_status err;
 605
 606         if (on) {
 607                 /* Set up interrupt pipe. */
 608                 if (state->ks_ifstate & INTRENABLED)
 609                         return EBUSY;
 610
 611                 state->ks_ifstate |= INTRENABLED;
 612                 err = usbd_open_pipe_intr(state->ks_iface, state->ks_ep_addr,
 613                                         USBD_SHORT_XFER_OK,
 614                                         &state->ks_intrpipe, kbd,
 615                                         &state->ks_ndata,
 616                                         sizeof(state->ks_ndata), func,
 617                                         USBD_DEFAULT_INTERVAL);
 618                 if (err)
 619                         return (EIO);
 620         } else {
 621                 /* Disable interrupts. */
 622                 usbd_abort_pipe(state->ks_intrpipe);
 623                 usbd_close_pipe(state->ks_intrpipe);
 624
 625                 state->ks_ifstate &= ~INTRENABLED;
 626         }
 627
 628         return (0);
 629 }
 630
 631 /* finish using this keyboard */
 632 Static int
 633 ukbd_term(keyboard_t *kbd)
 634 {
 635         ukbd_state_t *state;
 636         int error;
 637         int s;
 638
 639         s = splusb();
 640
 641         state = (ukbd_state_t *)kbd->kb_data;
 642         DPRINTF(("ukbd_term: ks_ifstate=0x%x\n", state->ks_ifstate));
 643
 644         untimeout(ukbd_timeout, (void *)kbd, state->ks_timeout_handle);
 645         callout_handle_init(&state->ks_timeout_handle);
 646
 647         if (state->ks_ifstate & INTRENABLED)
 648                 ukbd_enable_intr(kbd, FALSE, NULL);
 649         if (state->ks_ifstate & INTRENABLED) {
 650                 splx(s);
 651                 DPRINTF(("ukbd_term: INTRENABLED!\n"));
 652                 return ENXIO;
 653         }
 654
 655         error = kbd_unregister(kbd);
 656         DPRINTF(("ukbd_term: kbd_unregister() %d\n", error));
 657         if (error == 0) {
 658                 kbd->kb_flags = 0;
 659                 if (kbd != &default_kbd) {
 660                         free(kbd->kb_keymap, M_DEVBUF);
 661                         free(kbd->kb_accentmap, M_DEVBUF);
 662                         free(kbd->kb_fkeytab, M_DEVBUF);
 663                         free(state, M_DEVBUF);
 664                         free(kbd, M_DEVBUF);
 665                 }
 666         }
 667
 668         splx(s);
 669         return error;
 670 }
 671
 672
 673 /* keyboard interrupt routine */
 674
 675 Static void
 676 ukbd_timeout(void *arg)
 677 {
 678         keyboard_t *kbd;
 679         ukbd_state_t *state;
 680         int s;
 681
 682         kbd = (keyboard_t *)arg;
 683         state = (ukbd_state_t *)kbd->kb_data;
 684         s = splusb();
 685         (*kbdsw[kbd->kb_index]->intr)(kbd, (void *)USBD_NORMAL_COMPLETION);
 686         state->ks_timeout_handle = timeout(ukbd_timeout, arg, hz/40);
 687         splx(s);
 688 }
 689
 690 Static int
 691 ukbd_interrupt(keyboard_t *kbd, void *arg)
 692 {
 693         usbd_status status = (usbd_status)arg;
 694         ukbd_state_t *state;
 695         struct ukbd_data *ud;
 696         struct timeval tv;
 697         u_long now;
 698         int mod, omod;
 699         int key, c;
 700         int i, j;
 701
 702         DPRINTFN(5, ("ukbd_intr: status=%d\n", status));
 703         if (status == USBD_CANCELLED)
 704                 return 0;
 705
 706         state = (ukbd_state_t *)kbd->kb_data;
 707         ud = &state->ks_ndata;
 708
 709         if (status != USBD_NORMAL_COMPLETION) {
 710                 DPRINTF(("ukbd_intr: status=%d\n", status));
 711                 if (status == USBD_STALLED)
 712                     usbd_clear_endpoint_stall_async(state->ks_intrpipe);
 713                 return 0;
 714         }
 715
 716         if (ud->keycode[0] == KEY_ERROR)
 717                 return 0;               /* ignore  */
 718
 719         getmicrouptime(&tv);
 720         now = (u_long)tv.tv_sec*1000 + (u_long)tv.tv_usec/1000;
 721
 722 #define ADDKEY1(c)              \
 723         if (state->ks_inputs < INPUTBUFSIZE) {                          \
 724                 state->ks_input[state->ks_inputtail] = (c);             \
 725                 ++state->ks_inputs;                                     \
 726                 state->ks_inputtail = (state->ks_inputtail + 1)%INPUTBUFSIZE; \
 727         }
 728
 729         mod = ud->modifiers;
 730         omod = state->ks_odata.modifiers;
 731         if (mod != omod) {
 732                 for (i = 0; i < NMOD; i++)
 733                         if (( mod & ukbd_mods[i].mask) !=
 734                             (omod & ukbd_mods[i].mask))
 735                                 ADDKEY1(ukbd_mods[i].key |
 736                                        (mod & ukbd_mods[i].mask
 737                                           ? KEY_PRESS : KEY_RELEASE));
 738         }
 739
 740         /* Check for released keys. */
 741         for (i = 0; i < NKEYCODE; i++) {
 742                 key = state->ks_odata.keycode[i];
 743                 if (key == 0)
 744                         break;
 745                 for (j = 0; j < NKEYCODE; j++) {
 746                         if (ud->keycode[j] == 0)
 747                                 break;
 748                         if (key == ud->keycode[j])
 749                                 goto rfound;
 750                 }
 751                 ADDKEY1(key | KEY_RELEASE);
 752         rfound:
 753                 ;
 754         }
 755
 756         /* Check for pressed keys. */
 757         for (i = 0; i < NKEYCODE; i++) {
 758                 key = ud->keycode[i];
 759                 if (key == 0)
 760                         break;
 761                 state->ks_ntime[i] = now + kbd->kb_delay1;
 762                 for (j = 0; j < NKEYCODE; j++) {
 763                         if (state->ks_odata.keycode[j] == 0)
 764                                 break;
 765                         if (key == state->ks_odata.keycode[j]) {
 766                                 state->ks_ntime[i] = state->ks_otime[j];
 767                                 if (state->ks_otime[j] > now)
 768                                         goto pfound;
 769                                 state->ks_ntime[i] = now + kbd->kb_delay2;
 770                                 break;
 771                         }
 772                 }
 773                 ADDKEY1(key | KEY_PRESS);
 774         pfound:
 775                 ;
 776         }
 777
 778         state->ks_odata = *ud;
 779         bcopy(state->ks_ntime, state->ks_otime, sizeof(state->ks_ntime));
 780         if (state->ks_inputs <= 0)
 781                 return 0;
 782
 783 #ifdef USB_DEBUG
 784         for (i = state->ks_inputhead, j = 0; j < state->ks_inputs; ++j,
 785                 i = (i + 1)%INPUTBUFSIZE) {
 786                 c = state->ks_input[i];
 787                 DPRINTF(("0x%x (%d) %s\n", c, c,
 788                         (c & KEY_RELEASE) ? "released":"pressed"));
 789         }
 790         if (ud->modifiers)
 791                 DPRINTF(("mod:0x%04x ", ud->modifiers));
 792         for (i = 0; i < NKEYCODE; i++) {
 793                 if (ud->keycode[i])
 794                         DPRINTF(("%d ", ud->keycode[i]));
 795         }
 796         DPRINTF(("\n"));
 797 #endif /* USB_DEBUG */
 798
 799         if (state->ks_polling)
 800                 return 0;
 801
 802         if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) {
 803                 /* let the callback function to process the input */
 804                 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT,
 805                                             kbd->kb_callback.kc_arg);
 806         } else {
 807                 /* read and discard the input; no one is waiting for it */
 808                 do {
 809                         c = ukbd_read_char(kbd, FALSE);
 810                 } while (c != NOKEY);
 811         }
 812
 813         return 0;
 814 }
 815
 816 Static int
 817 ukbd_getc(ukbd_state_t *state)
 818 {
 819         int c;
 820         int s;
 821
 822         if (state->ks_polling) {
 823                 DPRINTFN(1,("ukbd_getc: polling\n"));
 824                 s = splusb();
 825                 while (state->ks_inputs <= 0)
 826                         usbd_dopoll(state->ks_iface);
 827                 splx(s);
 828         }
 829         s = splusb();
 830         if (state->ks_inputs <= 0) {
 831                 c = -1;
 832         } else {
 833                 c = state->ks_input[state->ks_inputhead];
 834                 --state->ks_inputs;
 835                 state->ks_inputhead = (state->ks_inputhead + 1)%INPUTBUFSIZE;
 836         }
 837         splx(s);
 838         return c;
 839 }
 840
 841 /* test the interface to the device */
 842 Static int
 843 ukbd_test_if(keyboard_t *kbd)
 844 {
 845         return 0;
 846 }
 847
 848 /*
 849  * Enable the access to the device; until this function is called,
 850  * the client cannot read from the keyboard.
 851  */
 852 Static int
 853 ukbd_enable(keyboard_t *kbd)
 854 {
 855         int s;
 856
 857         s = splusb();
 858         KBD_ACTIVATE(kbd);
 859         splx(s);
 860         return 0;
 861 }
 862
 863 /* disallow the access to the device */
 864 Static int
 865 ukbd_disable(keyboard_t *kbd)
 866 {
 867         int s;
 868
 869         s = splusb();
 870         KBD_DEACTIVATE(kbd);
 871         splx(s);
 872         return 0;
 873 }
 874
 875 /* read one byte from the keyboard if it's allowed */
 876 Static int
 877 ukbd_read(keyboard_t *kbd, int wait)
 878 {
 879         ukbd_state_t *state;
 880         int usbcode;
 881 #ifdef UKBD_EMULATE_ATSCANCODE
 882         int keycode;
 883         int scancode;
 884 #endif
 885
 886         state = (ukbd_state_t *)kbd->kb_data;
 887 #ifdef UKBD_EMULATE_ATSCANCODE
 888         if (state->ks_buffered_char[0]) {
 889                 scancode = state->ks_buffered_char[0];
 890                 if (scancode & SCAN_PREFIX) {
 891                         state->ks_buffered_char[0] = scancode & ~SCAN_PREFIX;
 892                         return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
 893                 } else {
 894                         state->ks_buffered_char[0] = state->ks_buffered_char[1];
 895                         state->ks_buffered_char[1] = 0;
 896                         return scancode;
 897                 }
 898         }
 899 #endif /* UKBD_EMULATE_ATSCANCODE */
 900
 901         /* XXX */
 902         usbcode = ukbd_getc(state);
 903         if (!KBD_IS_ACTIVE(kbd) || (usbcode == -1))
 904                 return -1;
 905         ++kbd->kb_count;
 906 #ifdef UKBD_EMULATE_ATSCANCODE
 907         keycode = ukbd_trtab[KEY_INDEX(usbcode)];
 908         if (keycode == NN)
 909                 return -1;
 910
 911         scancode = keycode2scancode(keycode, state->ks_ndata.modifiers,
 912                                     usbcode & KEY_RELEASE);
 913         if (scancode & SCAN_PREFIX) {
 914                 if (scancode & SCAN_PREFIX_CTL) {
 915                         state->ks_buffered_char[0] =
 916                                 0x1d | (scancode & SCAN_RELEASE); /* Ctrl */
 917                         state->ks_buffered_char[1] = scancode & ~SCAN_PREFIX;
 918                 } else if (scancode & SCAN_PREFIX_SHIFT) {
 919                         state->ks_buffered_char[0] =
 920                                 0x2a | (scancode & SCAN_RELEASE); /* Shift */
 921                         state->ks_buffered_char[1] =
 922                                 scancode & ~SCAN_PREFIX_SHIFT;
 923                 } else {
 924                         state->ks_buffered_char[0] = scancode & ~SCAN_PREFIX;
 925                         state->ks_buffered_char[1] = 0;
 926                 }
 927                 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
 928         }
 929         return scancode;
 930 #else /* !UKBD_EMULATE_ATSCANCODE */
 931         return usbcode;
 932 #endif /* UKBD_EMULATE_ATSCANCODE */
 933 }
 934
 935 /* check if data is waiting */
 936 Static int
 937 ukbd_check(keyboard_t *kbd)
 938 {
 939         if (!KBD_IS_ACTIVE(kbd))
 940                 return FALSE;
 941 #ifdef UKBD_EMULATE_ATSCANCODE
 942         if (((ukbd_state_t *)kbd->kb_data)->ks_buffered_char[0])
 943                 return TRUE;
 944 #endif
 945         if (((ukbd_state_t *)kbd->kb_data)->ks_inputs > 0)
 946                 return TRUE;
 947         return FALSE;
 948 }
 949
 950 /* read char from the keyboard */
 951 Static u_int
 952 ukbd_read_char(keyboard_t *kbd, int wait)
 953 {
 954         ukbd_state_t *state;
 955         u_int action;
 956         int usbcode;
 957         int keycode;
 958 #ifdef UKBD_EMULATE_ATSCANCODE
 959         int scancode;
 960 #endif
 961
 962         state = (ukbd_state_t *)kbd->kb_data;
 963 next_code:
 964         /* do we have a composed char to return? */
 965         if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
 966                 action = state->ks_composed_char;
 967                 state->ks_composed_char = 0;
 968                 if (action > UCHAR_MAX)
 969                         return ERRKEY;
 970                 return action;
 971         }
 972
 973 #ifdef UKBD_EMULATE_ATSCANCODE
 974         /* do we have a pending raw scan code? */
 975         if (state->ks_mode == K_RAW) {
 976                 if (state->ks_buffered_char[0]) {
 977                         scancode = state->ks_buffered_char[0];
 978                         if (scancode & SCAN_PREFIX) {
 979                                 state->ks_buffered_char[0] =
 980                                         scancode & ~SCAN_PREFIX;
 981                                 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
 982                         } else {
 983                                 state->ks_buffered_char[0] =
 984                                         state->ks_buffered_char[1];
 985                                 state->ks_buffered_char[1] = 0;
 986                                 return scancode;
 987                         }
 988                 }
 989         }
 990 #endif /* UKBD_EMULATE_ATSCANCODE */
 991
 992         /* see if there is something in the keyboard port */
 993         /* XXX */
 994         usbcode = ukbd_getc(state);
 995         if (usbcode == -1)
 996                 return NOKEY;
 997         ++kbd->kb_count;
 998
 999 #ifdef UKBD_EMULATE_ATSCANCODE
1000         /* USB key index -> key code -> AT scan code */
1001         keycode = ukbd_trtab[KEY_INDEX(usbcode)];
1002         if (keycode == NN)
1003                 return NOKEY;
1004
1005         /* return an AT scan code for the K_RAW mode */
1006         if (state->ks_mode == K_RAW) {
1007                 scancode = keycode2scancode(keycode, state->ks_ndata.modifiers,
1008                                             usbcode & KEY_RELEASE);
1009                 if (scancode & SCAN_PREFIX) {
1010                         if (scancode & SCAN_PREFIX_CTL) {
1011                                 state->ks_buffered_char[0] =
1012                                         0x1d | (scancode & SCAN_RELEASE);
1013                                 state->ks_buffered_char[1] =
1014                                         scancode & ~SCAN_PREFIX;
1015                         } else if (scancode & SCAN_PREFIX_SHIFT) {
1016                                 state->ks_buffered_char[0] =
1017                                         0x2a | (scancode & SCAN_RELEASE);
1018                                 state->ks_buffered_char[1] =
1019                                         scancode & ~SCAN_PREFIX_SHIFT;
1020                         } else {
1021                                 state->ks_buffered_char[0] =
1022                                         scancode & ~SCAN_PREFIX;
1023                                 state->ks_buffered_char[1] = 0;
1024                         }
1025                         return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
1026                 }
1027                 return scancode;
1028         }
1029 #else /* !UKBD_EMULATE_ATSCANCODE */
1030         /* return the byte as is for the K_RAW mode */
1031         if (state->ks_mode == K_RAW)
1032                 return usbcode;
1033
1034         /* USB key index -> key code */
1035         keycode = ukbd_trtab[KEY_INDEX(usbcode)];
1036         if (keycode == NN)
1037                 return NOKEY;
1038 #endif /* UKBD_EMULATE_ATSCANCODE */
1039
1040         switch (keycode) {
1041         case 0x38:      /* left alt (compose key) */
1042                 if (usbcode & KEY_RELEASE) {
1043                         if (state->ks_flags & COMPOSE) {
1044                                 state->ks_flags &= ~COMPOSE;
1045                                 if (state->ks_composed_char > UCHAR_MAX)
1046                                         state->ks_composed_char = 0;
1047                         }
1048                 } else {
1049                         if (!(state->ks_flags & COMPOSE)) {
1050                                 state->ks_flags |= COMPOSE;
1051                                 state->ks_composed_char = 0;
1052                         }
1053                 }
1054                 break;
1055         /* XXX: I don't like these... */
1056         case 0x5c:      /* print screen */
1057                 if (state->ks_flags & ALTS)
1058                         keycode = 0x54; /* sysrq */
1059                 break;
1060         case 0x68:      /* pause/break */
1061                 if (state->ks_flags & CTLS)
1062                         keycode = 0x6c; /* break */
1063                 break;
1064         }
1065
1066         /* return the key code in the K_CODE mode */
1067         if (usbcode & KEY_RELEASE)
1068                 keycode |= SCAN_RELEASE;
1069         if (state->ks_mode == K_CODE)
1070                 return keycode;
1071
1072         /* compose a character code */
1073         if (state->ks_flags & COMPOSE) {
1074                 switch (keycode) {
1075                 /* key pressed, process it */
1076                 case 0x47: case 0x48: case 0x49:        /* keypad 7,8,9 */
1077                         state->ks_composed_char *= 10;
1078                         state->ks_composed_char += keycode - 0x40;
1079                         if (state->ks_composed_char > UCHAR_MAX)
1080                                 return ERRKEY;
1081                         goto next_code;
1082                 case 0x4B: case 0x4C: case 0x4D:        /* keypad 4,5,6 */
1083                         state->ks_composed_char *= 10;
1084                         state->ks_composed_char += keycode - 0x47;
1085                         if (state->ks_composed_char > UCHAR_MAX)
1086                                 return ERRKEY;
1087                         goto next_code;
1088                 case 0x4F: case 0x50: case 0x51:        /* keypad 1,2,3 */
1089                         state->ks_composed_char *= 10;
1090                         state->ks_composed_char += keycode - 0x4E;
1091                         if (state->ks_composed_char > UCHAR_MAX)
1092                                 return ERRKEY;
1093                         goto next_code;
1094                 case 0x52:                              /* keypad 0 */
1095                         state->ks_composed_char *= 10;
1096                         if (state->ks_composed_char > UCHAR_MAX)
1097                                 return ERRKEY;
1098                         goto next_code;
1099
1100                 /* key released, no interest here */
1101                 case SCAN_RELEASE | 0x47:
1102                 case SCAN_RELEASE | 0x48:
1103                 case SCAN_RELEASE | 0x49:               /* keypad 7,8,9 */
1104                 case SCAN_RELEASE | 0x4B:
1105                 case SCAN_RELEASE | 0x4C:
1106                 case SCAN_RELEASE | 0x4D:               /* keypad 4,5,6 */
1107                 case SCAN_RELEASE | 0x4F:
1108                 case SCAN_RELEASE | 0x50:
1109                 case SCAN_RELEASE | 0x51:               /* keypad 1,2,3 */
1110                 case SCAN_RELEASE | 0x52:               /* keypad 0 */
1111                         goto next_code;
1112
1113                 case 0x38:                              /* left alt key */
1114                         break;
1115
1116                 default:
1117                         if (state->ks_composed_char > 0) {
1118                                 state->ks_flags &= ~COMPOSE;
1119                                 state->ks_composed_char = 0;
1120                                 return ERRKEY;
1121                         }
1122                         break;
1123                 }
1124         }
1125
1126         /* keycode to key action */
1127         action = genkbd_keyaction(kbd, SCAN_CHAR(keycode),
1128                                   keycode & SCAN_RELEASE, &state->ks_state,
1129                                   &state->ks_accents);
1130         if (action == NOKEY)
1131                 goto next_code;
1132         else
1133                 return action;
1134 }
1135
1136 /* check if char is waiting */
1137 Static int
1138 ukbd_check_char(keyboard_t *kbd)
1139 {
1140         ukbd_state_t *state;
1141
1142         if (!KBD_IS_ACTIVE(kbd))
1143                 return FALSE;
1144         state = (ukbd_state_t *)kbd->kb_data;
1145         if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0))
1146                 return TRUE;
1147         if (state->ks_inputs > 0)
1148                 return TRUE;
1149         return FALSE;
1150 }
1151
1152 /* some useful control functions */
1153 Static int
1154 ukbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
1155 {
1156         /* trasnlate LED_XXX bits into the device specific bits */
1157         static u_char ledmap[8] = {
1158                 0, 2, 1, 3, 4, 6, 5, 7,
1159         };
1160         ukbd_state_t *state = kbd->kb_data;
1161         int s;
1162         int i;
1163
1164         s = splusb();
1165         switch (cmd) {
1166
1167         case KDGKBMODE:         /* get keyboard mode */
1168                 *(int *)arg = state->ks_mode;
1169                 break;
1170         case KDSKBMODE:         /* set keyboard mode */
1171                 switch (*(int *)arg) {
1172                 case K_XLATE:
1173                         if (state->ks_mode != K_XLATE) {
1174                                 /* make lock key state and LED state match */
1175                                 state->ks_state &= ~LOCK_MASK;
1176                                 state->ks_state |= KBD_LED_VAL(kbd);
1177                         }
1178                         /* FALLTHROUGH */
1179                 case K_RAW:
1180                 case K_CODE:
1181                         if (state->ks_mode != *(int *)arg) {
1182                                 ukbd_clear_state(kbd);
1183                                 state->ks_mode = *(int *)arg;
1184                         }
1185                         break;
1186                 default:
1187                         splx(s);
1188                         return EINVAL;
1189                 }
1190                 break;
1191
1192         case KDGETLED:          /* get keyboard LED */
1193                 *(int *)arg = KBD_LED_VAL(kbd);
1194                 break;
1195         case KDSETLED:          /* set keyboard LED */
1196                 /* NOTE: lock key state in ks_state won't be changed */
1197                 if (*(int *)arg & ~LOCK_MASK) {
1198                         splx(s);
1199                         return EINVAL;
1200                 }
1201                 i = *(int *)arg;
1202                 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */
1203                 if (kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
1204                         if (i & ALKED)
1205                                 i |= CLKED;
1206                         else
1207                                 i &= ~CLKED;
1208                 }
1209                 if (KBD_HAS_DEVICE(kbd)) {
1210                         set_leds(state, ledmap[i & LED_MASK]);
1211                         /* XXX: error check? */
1212                 }
1213                 KBD_LED_VAL(kbd) = *(int *)arg;
1214                 break;
1215
1216         case KDGKBSTATE:        /* get lock key state */
1217                 *(int *)arg = state->ks_state & LOCK_MASK;
1218                 break;
1219         case KDSKBSTATE:        /* set lock key state */
1220                 if (*(int *)arg & ~LOCK_MASK) {
1221                         splx(s);
1222                         return EINVAL;
1223                 }
1224                 state->ks_state &= ~LOCK_MASK;
1225                 state->ks_state |= *(int *)arg;
1226                 splx(s);
1227                 /* set LEDs and quit */
1228                 return ukbd_ioctl(kbd, KDSETLED, arg);
1229
1230         case KDSETREPEAT:       /* set keyboard repeat rate (new interface) */
1231                 splx(s);
1232                 if (!KBD_HAS_DEVICE(kbd))
1233                         return 0;
1234                 if (((int *)arg)[1] < 0)
1235                         return EINVAL;
1236                 if (((int *)arg)[0] < 0)
1237                         return EINVAL;
1238                 else if (((int *)arg)[0] == 0)  /* fastest possible value */
1239                         kbd->kb_delay1 = 200;
1240                 else
1241                         kbd->kb_delay1 = ((int *)arg)[0];
1242                 kbd->kb_delay2 = ((int *)arg)[1];
1243                 return 0;
1244
1245         case KDSETRAD:          /* set keyboard repeat rate (old interface) */
1246                 splx(s);
1247                 return set_typematic(kbd, *(int *)arg);
1248
1249         case PIO_KEYMAP:        /* set keyboard translation table */
1250         case PIO_KEYMAPENT:     /* set keyboard translation table entry */
1251         case PIO_DEADKEYMAP:    /* set accent key translation table */
1252                 state->ks_accents = 0;
1253                 /* FALLTHROUGH */
1254         default:
1255                 splx(s);
1256                 return genkbd_commonioctl(kbd, cmd, arg);
1257
1258 #ifdef USB_DEBUG
1259         case USB_SETDEBUG:
1260                 ukbddebug = *(int *)arg;
1261                 break;
1262 #endif
1263         }
1264
1265         splx(s);
1266         return 0;
1267 }
1268
1269 /* lock the access to the keyboard */
1270 Static int
1271 ukbd_lock(keyboard_t *kbd, int lock)
1272 {
1273         /* XXX ? */
1274         return TRUE;
1275 }
1276
1277 /* clear the internal state of the keyboard */
1278 Static void
1279 ukbd_clear_state(keyboard_t *kbd)
1280 {
1281         ukbd_state_t *state;
1282
1283         state = (ukbd_state_t *)kbd->kb_data;
1284         state->ks_flags = 0;
1285         state->ks_polling = 0;
1286         state->ks_state &= LOCK_MASK;   /* preserve locking key state */
1287         state->ks_accents = 0;
1288         state->ks_composed_char = 0;
1289 #ifdef UKBD_EMULATE_ATSCANCODE
1290         state->ks_buffered_char[0] = 0;
1291         state->ks_buffered_char[1] = 0;
1292 #endif
1293         bzero(&state->ks_ndata, sizeof(state->ks_ndata));
1294         bzero(&state->ks_odata, sizeof(state->ks_odata));
1295         bzero(&state->ks_ntime, sizeof(state->ks_ntime));
1296         bzero(&state->ks_otime, sizeof(state->ks_otime));
1297 }
1298
1299 /* save the internal state */
1300 Static int
1301 ukbd_get_state(keyboard_t *kbd, void *buf, size_t len)
1302 {
1303         if (len == 0)
1304                 return sizeof(ukbd_state_t);
1305         if (len < sizeof(ukbd_state_t))
1306                 return -1;
1307         bcopy(kbd->kb_data, buf, sizeof(ukbd_state_t));
1308         return 0;
1309 }
1310
1311 /* set the internal state */
1312 Static int
1313 ukbd_set_state(keyboard_t *kbd, void *buf, size_t len)
1314 {
1315         if (len < sizeof(ukbd_state_t))
1316                 return ENOMEM;
1317         bcopy(buf, kbd->kb_data, sizeof(ukbd_state_t));
1318         return 0;
1319 }
1320
1321 Static int
1322 ukbd_poll(keyboard_t *kbd, int on)
1323 {
1324         ukbd_state_t *state;
1325         usbd_device_handle dev;
1326         int s;
1327
1328         state = (ukbd_state_t *)kbd->kb_data;
1329         usbd_interface2device_handle(state->ks_iface, &dev);
1330
1331         s = splusb();
1332         if (on) {
1333                 if (state->ks_polling == 0)
1334                         usbd_set_polling(dev, on);
1335                 ++state->ks_polling;
1336         } else {
1337                 --state->ks_polling;
1338                 if (state->ks_polling == 0)
1339                         usbd_set_polling(dev, on);
1340         }
1341         splx(s);
1342         return 0;
1343 }
1344
1345 /* local functions */
1346
1347 Static int
1348 probe_keyboard(struct usb_attach_arg *uaa, int flags)
1349 {
1350         usb_interface_descriptor_t *id;
1351
1352         if (!uaa->iface)        /* we attach to ifaces only */
1353                 return EINVAL;
1354
1355         /* Check that this is a keyboard that speaks the boot protocol. */
1356         id = usbd_get_interface_descriptor(uaa->iface);
1357         if (id
1358             && id->bInterfaceClass == UICLASS_HID
1359             && id->bInterfaceSubClass == UISUBCLASS_BOOT
1360             && id->bInterfaceProtocol == UPROTO_BOOT_KEYBOARD)
1361                 return 0;       /* found it */
1362
1363         return EINVAL;
1364 }
1365
1366 Static int
1367 init_keyboard(ukbd_state_t *state, int *type, int flags)
1368 {
1369         usb_endpoint_descriptor_t *ed;
1370         usbd_status err;
1371
1372         *type = KB_OTHER;
1373
1374         state->ks_ifstate |= DISCONNECTED;
1375
1376         ed = usbd_interface2endpoint_descriptor(state->ks_iface, 0);
1377         if (!ed) {
1378                 printf("ukbd: could not read endpoint descriptor\n");
1379                 return EIO;
1380         }
1381
1382         DPRINTFN(10,("ukbd:init_keyboard: \
1383 bLength=%d bDescriptorType=%d bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d bInterval=%d\n",
1384                ed->bLength, ed->bDescriptorType,
1385                UE_GET_ADDR(ed->bEndpointAddress),
1386                UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN ? "in":"out",
1387                UE_GET_XFERTYPE(ed->bmAttributes),
1388                UGETW(ed->wMaxPacketSize), ed->bInterval));
1389
1390         if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN ||
1391             UE_GET_XFERTYPE(ed->bmAttributes) != UE_INTERRUPT) {
1392                 printf("ukbd: unexpected endpoint\n");
1393                 return EINVAL;
1394         }
1395
1396         if ((usbd_get_quirks(state->ks_uaa->device)->uq_flags & UQ_NO_SET_PROTO) == 0) {
1397                 err = usbd_set_protocol(state->ks_iface, 0);
1398                 DPRINTFN(5, ("ukbd:init_keyboard: protocol set\n"));
1399                 if (err) {
1400                         printf("ukbd: set protocol failed\n");
1401                         return EIO;
1402                 }
1403         }
1404         /* Ignore if SETIDLE fails since it is not crucial. */
1405         usbd_set_idle(state->ks_iface, 0, 0);
1406
1407         state->ks_ep_addr = ed->bEndpointAddress;
1408         state->ks_ifstate &= ~DISCONNECTED;
1409
1410         return 0;
1411 }
1412
1413 Static void
1414 set_leds(ukbd_state_t *state, int leds)
1415 {
1416         u_int8_t res = leds;
1417
1418         DPRINTF(("ukbd:set_leds: state=%p leds=%d\n", state, leds));
1419
1420         usbd_set_report_async(state->ks_iface, UHID_OUTPUT_REPORT, 0, &res, 1);
1421 }
1422
1423 Static int
1424 set_typematic(keyboard_t *kbd, int code)
1425 {
1426         static int delays[] = { 250, 500, 750, 1000 };
1427         static int rates[] = {  34,  38,  42,  46,  50,  55,  59,  63,
1428                                 68,  76,  84,  92, 100, 110, 118, 126,
1429                                136, 152, 168, 184, 200, 220, 236, 252,
1430                                272, 304, 336, 368, 400, 440, 472, 504 };
1431
1432         if (code & ~0x7f)
1433                 return EINVAL;
1434         kbd->kb_delay1 = delays[(code >> 5) & 3];
1435         kbd->kb_delay2 = rates[code & 0x1f];
1436         return 0;
1437 }
1438
1439 #ifdef UKBD_EMULATE_ATSCANCODE
1440 Static int
1441 keycode2scancode(int keycode, int shift, int up)
1442 {
1443         static int scan[] = {
1444                 0x1c, 0x1d, 0x35,
1445                 0x37 | SCAN_PREFIX_SHIFT, /* PrintScreen */
1446                 0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
1447                 0x50, 0x51, 0x52, 0x53,
1448                 0x46,   /* XXX Pause/Break */
1449                 0x5b, 0x5c, 0x5d,
1450         };
1451         int scancode;
1452
1453         scancode = keycode;
1454         if ((keycode >= 89) && (keycode < 89 + sizeof(scan)/sizeof(scan[0])))
1455                 scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
1456         /* Pause/Break */
1457         if ((keycode == 104) && !(shift & (MOD_CONTROL_L | MOD_CONTROL_R)))
1458                 scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
1459         if (shift & (MOD_SHIFT_L | MOD_SHIFT_R))
1460                 scancode &= ~SCAN_PREFIX_SHIFT;
1461         return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));
1462 }
1463 #endif /* UKBD_EMULATE_ATSCANCODE */
1464
1465 Static int
1466 ukbd_driver_load(module_t mod, int what, void *arg)
1467 {
1468         switch (what) {
1469                 case MOD_LOAD:
1470                         kbd_add_driver(&ukbd_kbd_driver);
1471                         break;
1472                 case MOD_UNLOAD:
1473                         kbd_delete_driver(&ukbd_kbd_driver);
1474                         break;
1475         }
1476         return usbd_driver_load(mod, what, 0);
1477 }