2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/dev/kbd/kbd.c,v 1.17.2.2 2001/07/30 16:46:43 yokota Exp $
27 * $DragonFly: src/sys/dev/misc/kbd/kbd.c,v 1.23 2007/05/08 02:31:39 dillon Exp $
30 * Generic keyboard driver.
32 * Interrupt note: keyboards use clist functions and since usb keyboard
33 * interrupts are not protected by spltty(), we must use a critical section
34 * to protect against corruption.
35 * XXX: this keyboard driver doesn't use clist functions anymore!
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
47 #include <sys/event.h>
48 #include <sys/vnode.h>
50 #include <sys/thread.h>
51 #include <sys/thread2.h>
53 #include <machine/console.h>
57 #define KBD_INDEX(dev) minor(dev)
63 int gkb_flags; /* flag/status bits */
64 #define KB_ASLEEP (1 << 0)
65 struct selinfo gkb_rsel;
66 char gkb_q[KB_QSIZE]; /* input queue */
67 unsigned int gkb_q_start;
68 unsigned int gkb_q_length;
71 typedef struct genkbd_softc *genkbd_softc_t;
73 static SLIST_HEAD(, keyboard_driver) keyboard_drivers =
74 SLIST_HEAD_INITIALIZER(keyboard_drivers);
76 SET_DECLARE(kbddriver_set, const keyboard_driver_t);
81 * We need at least one entry each in order to initialize a keyboard
82 * for the kernel console. The arrays will be increased dynamically
86 static int keyboards = 1;
87 static keyboard_t *kbd_ini;
88 static keyboard_t **keyboard = &kbd_ini;
89 static keyboard_switch_t *kbdsw_ini;
90 keyboard_switch_t **kbdsw = &kbdsw_ini;
95 kbd_realloc_array(void)
98 keyboard_switch_t **new_kbdsw;
101 newsize = ((keyboards + ARRAY_DELTA)/ARRAY_DELTA)*ARRAY_DELTA;
102 new_kbd = kmalloc(sizeof(*new_kbd) * newsize, M_DEVBUF,
104 new_kbdsw = kmalloc(sizeof(*new_kbdsw) * newsize, M_DEVBUF,
106 bcopy(keyboard, new_kbd, sizeof(*keyboard)*keyboards);
107 bcopy(kbdsw, new_kbdsw, sizeof(*kbdsw)*keyboards);
110 kfree(keyboard, M_DEVBUF);
111 kfree(kbdsw, M_DEVBUF);
119 kprintf("kbd: new array size %d\n", keyboards);
125 * Low-level keyboard driver functions.
127 * Keyboard subdrivers, such as the AT keyboard driver and the USB keyboard
128 * driver, call these functions to initialize the keyboard_t structure
129 * and register it to the virtual keyboard driver `kbd'.
131 * The reinit call is made when a driver has partially detached a keyboard
132 * but does not unregistered it, then wishes to reinitialize it later on.
133 * This is how the USB keyboard driver handles the 'default' keyboard,
134 * because unregistering the keyboard associated with the console will
135 * destroy its console association forever.
138 kbd_reinit_struct(keyboard_t *kbd, int config, int pref)
140 kbd->kb_flags |= KB_NO_DEVICE; /* device has not been found */
141 kbd->kb_config = config & ~KB_CONF_PROBE_ONLY;
142 kbd->kb_led = 0; /* unknown */
144 kbd->kb_keymap = NULL;
145 kbd->kb_accentmap = NULL;
146 kbd->kb_fkeytab = NULL;
147 kbd->kb_fkeytab_size = 0;
148 kbd->kb_delay1 = KB_DELAY1; /* these values are advisory only */
149 kbd->kb_delay2 = KB_DELAY2;
152 bzero(kbd->kb_lastact, sizeof(kbd->kb_lastact));
155 /* initialize the keyboard_t structure */
157 kbd_init_struct(keyboard_t *kbd, char *name, int type, int unit, int config,
158 int pref, int port, int port_size)
164 kbd->kb_io_base = port;
165 kbd->kb_io_size = port_size;
166 kbd_reinit_struct(kbd, config, pref);
170 kbd_set_maps(keyboard_t *kbd, keymap_t *keymap, accentmap_t *accmap,
171 fkeytab_t *fkeymap, int fkeymap_size)
173 kbd->kb_keymap = keymap;
174 kbd->kb_accentmap = accmap;
175 kbd->kb_fkeytab = fkeymap;
176 kbd->kb_fkeytab_size = fkeymap_size;
179 /* declare a new keyboard driver */
181 kbd_add_driver(keyboard_driver_t *driver)
183 if (SLIST_NEXT(driver, link))
185 SLIST_INSERT_HEAD(&keyboard_drivers, driver, link);
190 kbd_delete_driver(keyboard_driver_t *driver)
192 SLIST_REMOVE(&keyboard_drivers, driver, keyboard_driver, link);
193 SLIST_NEXT(driver, link) = NULL;
197 /* register a keyboard and associate it with a function table */
199 kbd_register(keyboard_t *kbd)
201 const keyboard_driver_t **list;
202 const keyboard_driver_t *p;
207 mux = kbd_get_keyboard(kbd_find_keyboard("kbdmux", -1));
209 for (index = 0; index < keyboards; ++index) {
210 if (keyboard[index] == NULL)
213 if (index >= keyboards) {
214 if (kbd_realloc_array())
218 kbd->kb_index = index;
221 kbd->kb_active = 0; /* disabled until someone calls kbd_enable() */
222 kbd->kb_token = NULL;
223 kbd->kb_callback.kc_func = NULL;
224 kbd->kb_callback.kc_arg = NULL;
225 callout_init(&kbd->kb_atkbd_timeout_ch);
227 SLIST_FOREACH(p, &keyboard_drivers, link) {
228 if (strcmp(p->name, kbd->kb_name) == 0) {
229 keyboard[index] = kbd;
230 kbdsw[index] = p->kbdsw;
233 bzero(&ki, sizeof(ki));
234 strcpy(ki.kb_name, kbd->kb_name);
235 ki.kb_unit = kbd->kb_unit;
236 kbd_ioctl(mux, KBADDKBD, (caddr_t) &ki);
242 SET_FOREACH(list, kbddriver_set) {
244 if (strcmp(p->name, kbd->kb_name) == 0) {
245 keyboard[index] = kbd;
246 kbdsw[index] = p->kbdsw;
249 bzero(&ki, sizeof(ki));
250 strcpy(ki.kb_name, kbd->kb_name);
251 ki.kb_unit = kbd->kb_unit;
252 kbd_ioctl(mux, KBADDKBD, (caddr_t) &ki);
263 kbd_unregister(keyboard_t *kbd)
267 if ((kbd->kb_index < 0) || (kbd->kb_index >= keyboards))
269 if (keyboard[kbd->kb_index] != kbd)
273 callout_stop(&kbd->kb_atkbd_timeout_ch);
274 if (KBD_IS_BUSY(kbd)) {
275 error = (*kbd->kb_callback.kc_func)(kbd, KBDIO_UNLOADING,
276 kbd->kb_callback.kc_arg);
281 if (KBD_IS_BUSY(kbd)) {
287 keyboard[kbd->kb_index] = NULL;
288 kbdsw[kbd->kb_index] = NULL;
294 /* find a funciton table by the driver name */
296 kbd_get_switch(char *driver)
298 const keyboard_driver_t **list;
299 const keyboard_driver_t *p;
301 SLIST_FOREACH(p, &keyboard_drivers, link) {
302 if (strcmp(p->name, driver) == 0)
305 SET_FOREACH(list, kbddriver_set) {
307 if (strcmp(p->name, driver) == 0)
315 * Keyboard client functions
316 * Keyboard clients, such as the console driver `syscons' and the keyboard
317 * cdev driver, use these functions to claim and release a keyboard for
321 * find the keyboard specified by a driver name and a unit number
322 * starting at given index
325 kbd_find_keyboard2(char *driver, int unit, int index, int legacy)
334 if ((index < 0) || (index >= keyboards))
337 for (i = index; i < keyboards; ++i) {
338 if (keyboard[i] == NULL)
340 if (!KBD_IS_VALID(keyboard[i]))
342 if (strcmp("*", driver) && strcmp(keyboard[i]->kb_name, driver))
344 if ((unit != -1) && (keyboard[i]->kb_unit != unit))
347 * If we are in legacy mode, we do the old preference magic and
348 * don't return on the first found unit.
351 if (pref <= keyboard[i]->kb_pref) {
352 pref = keyboard[i]->kb_pref;
361 KKASSERT(pref_index == -1);
366 /* find the keyboard specified by a driver name and a unit number */
368 kbd_find_keyboard(char *driver, int unit)
370 return (kbd_find_keyboard2(driver, unit, 0, 1));
373 /* allocate a keyboard */
375 kbd_allocate(char *driver, int unit, void *id, kbd_callback_func_t *func,
384 index = kbd_find_keyboard(driver, unit);
386 if (KBD_IS_BUSY(keyboard[index])) {
390 keyboard[index]->kb_token = id;
391 KBD_BUSY(keyboard[index]);
392 keyboard[index]->kb_callback.kc_func = func;
393 keyboard[index]->kb_callback.kc_arg = arg;
394 kbd_clear_state(keyboard[index]);
401 kbd_release(keyboard_t *kbd, void *id)
406 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) {
408 } else if (kbd->kb_token != id) {
411 kbd->kb_token = NULL;
413 kbd->kb_callback.kc_func = NULL;
414 kbd->kb_callback.kc_arg = NULL;
415 kbd_clear_state(kbd);
423 kbd_change_callback(keyboard_t *kbd, void *id, kbd_callback_func_t *func,
429 if (!KBD_IS_VALID(kbd) || !KBD_IS_BUSY(kbd)) {
431 } else if (kbd->kb_token != id) {
433 } else if (func == NULL) {
436 kbd->kb_callback.kc_func = func;
437 kbd->kb_callback.kc_arg = arg;
444 /* get a keyboard structure */
446 kbd_get_keyboard(int index)
448 if ((index < 0) || (index >= keyboards))
450 if (keyboard[index] == NULL)
452 if (!KBD_IS_VALID(keyboard[index]))
454 return keyboard[index];
458 * The back door for the console driver; configure keyboards
459 * This function is for the kernel console to initialize keyboards
460 * at very early stage.
464 kbd_configure(int flags)
466 const keyboard_driver_t **list;
467 const keyboard_driver_t *p;
469 SLIST_FOREACH(p, &keyboard_drivers, link) {
470 if (p->configure != NULL)
471 (*p->configure)(flags);
473 SET_FOREACH(list, kbddriver_set) {
475 if (p->configure != NULL)
476 (*p->configure)(flags);
482 #ifdef KBD_INSTALL_CDEV
485 * Virtual keyboard cdev driver functions
486 * The virtual keyboard driver dispatches driver functions to
487 * appropriate subdrivers.
490 #define KBD_UNIT(dev) minor(dev)
492 static d_open_t genkbdopen;
493 static d_close_t genkbdclose;
494 static d_read_t genkbdread;
495 static d_write_t genkbdwrite;
496 static d_ioctl_t genkbdioctl;
497 static d_kqfilter_t genkbdkqfilter;
499 static void genkbdfiltdetach(struct knote *);
500 static int genkbdfilter(struct knote *, long);
502 #define CDEV_MAJOR 112
504 static struct dev_ops kbd_ops = {
505 { "kbd", CDEV_MAJOR, D_KQFILTER },
506 .d_open = genkbdopen,
507 .d_close = genkbdclose,
508 .d_read = genkbdread,
509 .d_write = genkbdwrite,
510 .d_ioctl = genkbdioctl,
511 .d_kqfilter = genkbdkqfilter
517 * NOTE: The usb driver does not detach the default keyboard if it is
518 * unplugged, but calls kbd_attach() when it is plugged back in.
521 kbd_attach(keyboard_t *kbd)
525 if (kbd->kb_index >= keyboards)
527 if (keyboard[kbd->kb_index] != kbd)
530 if (kbd->kb_dev == NULL) {
531 kbd->kb_dev = make_dev(&kbd_ops, kbd->kb_index,
532 UID_ROOT, GID_WHEEL, 0600,
533 "kbd%r", kbd->kb_index);
536 if (dev->si_drv1 == NULL) {
537 dev->si_drv1 = kmalloc(sizeof(struct genkbd_softc), M_DEVBUF,
540 bzero(dev->si_drv1, sizeof(struct genkbd_softc));
542 kprintf("kbd%d at %s%d\n", kbd->kb_index, kbd->kb_name, kbd->kb_unit);
547 kbd_detach(keyboard_t *kbd)
551 if (kbd->kb_index >= keyboards)
553 if (keyboard[kbd->kb_index] != kbd)
556 if ((dev = kbd->kb_dev) != NULL) {
558 kfree(dev->si_drv1, M_DEVBUF);
563 dev_ops_remove_minor(&kbd_ops, kbd->kb_index);
568 * Generic keyboard cdev driver functions
569 * Keyboard subdrivers may call these functions to implement common
574 genkbd_putc(genkbd_softc_t sc, char c)
578 if (sc->gkb_q_length == KB_QSIZE)
581 p = (sc->gkb_q_start + sc->gkb_q_length) % KB_QSIZE;
587 genkbd_getc(genkbd_softc_t sc, char *buf, size_t len)
590 /* Determine copy size. */
591 if (sc->gkb_q_length == 0)
593 if (len >= sc->gkb_q_length)
594 len = sc->gkb_q_length;
595 if (len >= KB_QSIZE - sc->gkb_q_start)
596 len = KB_QSIZE - sc->gkb_q_start;
598 /* Copy out data and progress offset. */
599 memcpy(buf, sc->gkb_q + sc->gkb_q_start, len);
600 sc->gkb_q_start = (sc->gkb_q_start + len) % KB_QSIZE;
601 sc->gkb_q_length -= len;
606 static kbd_callback_func_t genkbd_event;
609 genkbdopen(struct dev_open_args *ap)
611 cdev_t dev = ap->a_head.a_dev;
618 kbd = kbd_get_keyboard(KBD_INDEX(dev));
619 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) {
623 i = kbd_allocate(kbd->kb_name, kbd->kb_unit, sc,
624 genkbd_event, (void *)sc);
629 /* assert(i == kbd->kb_index) */
630 /* assert(kbd == kbd_get_keyboard(i)) */
633 * NOTE: even when we have successfully claimed a keyboard,
634 * the device may still be missing (!KBD_HAS_DEVICE(kbd)).
637 sc->gkb_q_length = 0;
644 genkbdclose(struct dev_close_args *ap)
646 cdev_t dev = ap->a_head.a_dev;
651 * NOTE: the device may have already become invalid.
652 * kbd == NULL || !KBD_IS_VALID(kbd)
656 kbd = kbd_get_keyboard(KBD_INDEX(dev));
657 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) {
658 /* XXX: we shall be forgiving and don't report error... */
660 kbd_release(kbd, (void *)sc);
667 genkbdread(struct dev_read_args *ap)
669 cdev_t dev = ap->a_head.a_dev;
670 struct uio *uio = ap->a_uio;
673 u_char buffer[KB_BUFSIZE];
680 kbd = kbd_get_keyboard(KBD_INDEX(dev));
681 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) {
685 while (sc->gkb_q_length == 0) {
686 if (ap->a_ioflag & IO_NDELAY) { /* O_NONBLOCK? */
690 sc->gkb_flags |= KB_ASLEEP;
691 error = tsleep((caddr_t)sc, PCATCH, "kbdrea", 0);
692 kbd = kbd_get_keyboard(KBD_INDEX(dev));
693 if ((kbd == NULL) || !KBD_IS_VALID(kbd)) {
695 return ENXIO; /* our keyboard has gone... */
698 sc->gkb_flags &= ~KB_ASLEEP;
705 /* copy as much input as possible */
707 while (uio->uio_resid > 0) {
708 len = (int)szmin(uio->uio_resid, sizeof(buffer));
709 len = genkbd_getc(sc, buffer, len);
712 error = uiomove(buffer, (size_t)len, uio);
721 genkbdwrite(struct dev_write_args *ap)
723 cdev_t dev = ap->a_head.a_dev;
726 kbd = kbd_get_keyboard(KBD_INDEX(dev));
727 if ((kbd == NULL) || !KBD_IS_VALID(kbd))
733 genkbdioctl(struct dev_ioctl_args *ap)
735 cdev_t dev = ap->a_head.a_dev;
739 kbd = kbd_get_keyboard(KBD_INDEX(dev));
740 if ((kbd == NULL) || !KBD_IS_VALID(kbd))
742 error = kbd_ioctl(kbd, ap->a_cmd, ap->a_data);
743 if (error == ENOIOCTL)
748 static struct filterops genkbdfiltops =
749 { 1, NULL, genkbdfiltdetach, genkbdfilter };
752 genkbdkqfilter(struct dev_kqfilter_args *ap)
754 cdev_t dev = ap->a_head.a_dev;
755 struct knote *kn = ap->a_kn;
761 switch (kn->kn_filter) {
763 kn->kn_fop = &genkbdfiltops;
764 kn->kn_hook = (caddr_t)dev;
767 ap->a_result = EOPNOTSUPP;
773 klist = &sc->gkb_rsel.si_note;
774 SLIST_INSERT_HEAD(klist, kn, kn_selnext);
781 genkbdfiltdetach(struct knote *kn)
783 cdev_t dev = (cdev_t)kn->kn_hook;
789 klist = &sc->gkb_rsel.si_note;
790 SLIST_REMOVE(klist, kn, knote, kn_selnext);
795 genkbdfilter(struct knote *kn, long hint)
797 cdev_t dev = (cdev_t)kn->kn_hook;
804 kbd = kbd_get_keyboard(KBD_INDEX(dev));
805 if ((sc == NULL) || (kbd == NULL) || !KBD_IS_VALID(kbd)) {
806 kn->kn_flags |= EV_EOF; /* the keyboard has gone */
809 if (sc->gkb_q_length > 0)
818 genkbd_event(keyboard_t *kbd, int event, void *arg)
826 /* assert(KBD_IS_VALID(kbd)) */
827 sc = (genkbd_softc_t)arg;
832 case KBDIO_UNLOADING:
833 /* the keyboard is going... */
834 kbd_release(kbd, (void *)sc);
835 if (sc->gkb_flags & KB_ASLEEP) {
836 sc->gkb_flags &= ~KB_ASLEEP;
839 selwakeup(&sc->gkb_rsel);
845 /* obtain the current key input mode */
846 if (kbd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode))
849 /* read all pending input */
850 while (kbd_check_char(kbd)) {
851 c = kbd_read_char(kbd, FALSE);
854 if (c == ERRKEY) /* XXX: ring bell? */
856 if (!KBD_IS_BUSY(kbd))
857 /* the device is not open, discard the input */
860 /* store the byte as is for K_RAW and K_CODE modes */
861 if (mode != K_XLATE) {
862 genkbd_putc(sc, KEYCHAR(c));
867 if (c & RELKEY) /* key release is ignored */
870 /* process special keys; most of them are just ignored... */
872 switch (KEYCHAR(c)) {
876 case BTAB: /* a backtab: ESC [ Z */
877 genkbd_putc(sc, 0x1b);
878 genkbd_putc(sc, '[');
879 genkbd_putc(sc, 'Z');
884 /* normal chars, normal chars with the META, function keys */
885 switch (KEYFLAGS(c)) {
886 case 0: /* a normal char */
887 genkbd_putc(sc, KEYCHAR(c));
889 case MKEY: /* the META flag: prepend ESC */
890 genkbd_putc(sc, 0x1b);
891 genkbd_putc(sc, KEYCHAR(c));
893 case FKEY | SPCLKEY: /* a function key, return string */
894 cp = kbd_get_fkeystr(kbd, KEYCHAR(c), &len);
897 genkbd_putc(sc, *cp++);
903 /* wake up sleeping/polling processes */
904 if (sc->gkb_q_length > 0) {
905 if (sc->gkb_flags & KB_ASLEEP) {
906 sc->gkb_flags &= ~KB_ASLEEP;
909 selwakeup(&sc->gkb_rsel);
915 #endif /* KBD_INSTALL_CDEV */
918 * Generic low-level keyboard functions
919 * The low-level functions in the keyboard subdriver may use these
924 genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
933 case KDGKBINFO: /* get keyboard information */
934 ((keyboard_info_t *)arg)->kb_index = kbd->kb_index;
935 i = imin(strlen(kbd->kb_name) + 1,
936 sizeof(((keyboard_info_t *)arg)->kb_name));
937 bcopy(kbd->kb_name, ((keyboard_info_t *)arg)->kb_name, i);
938 ((keyboard_info_t *)arg)->kb_unit = kbd->kb_unit;
939 ((keyboard_info_t *)arg)->kb_type = kbd->kb_type;
940 ((keyboard_info_t *)arg)->kb_config = kbd->kb_config;
941 ((keyboard_info_t *)arg)->kb_flags = kbd->kb_flags;
944 case KDGKBTYPE: /* get keyboard type */
945 *(int *)arg = kbd->kb_type;
948 case KDGETREPEAT: /* get keyboard repeat rate */
949 ((int *)arg)[0] = kbd->kb_delay1;
950 ((int *)arg)[1] = kbd->kb_delay2;
953 case GIO_KEYMAP: /* get keyboard translation table */
954 bcopy(kbd->kb_keymap, arg, sizeof(*kbd->kb_keymap));
956 case PIO_KEYMAP: /* set keyboard translation table */
957 #ifndef KBD_DISABLE_KEYMAP_LOAD
958 bzero(kbd->kb_accentmap, sizeof(*kbd->kb_accentmap));
959 bcopy(arg, kbd->kb_keymap, sizeof(*kbd->kb_keymap));
966 case GIO_KEYMAPENT: /* get keyboard translation table entry */
967 keyp = (keyarg_t *)arg;
968 if (keyp->keynum >= sizeof(kbd->kb_keymap->key)
969 /sizeof(kbd->kb_keymap->key[0])) {
973 bcopy(&kbd->kb_keymap->key[keyp->keynum], &keyp->key,
976 case PIO_KEYMAPENT: /* set keyboard translation table entry */
977 #ifndef KBD_DISABLE_KEYMAP_LOAD
978 keyp = (keyarg_t *)arg;
979 if (keyp->keynum >= sizeof(kbd->kb_keymap->key)
980 /sizeof(kbd->kb_keymap->key[0])) {
984 bcopy(&keyp->key, &kbd->kb_keymap->key[keyp->keynum],
992 case GIO_DEADKEYMAP: /* get accent key translation table */
993 bcopy(kbd->kb_accentmap, arg, sizeof(*kbd->kb_accentmap));
995 case PIO_DEADKEYMAP: /* set accent key translation table */
996 #ifndef KBD_DISABLE_KEYMAP_LOAD
997 bcopy(arg, kbd->kb_accentmap, sizeof(*kbd->kb_accentmap));
1004 case GETFKEY: /* get functionkey string */
1005 fkeyp = (fkeyarg_t *)arg;
1006 if (fkeyp->keynum >= kbd->kb_fkeytab_size) {
1010 bcopy(kbd->kb_fkeytab[fkeyp->keynum].str, fkeyp->keydef,
1011 kbd->kb_fkeytab[fkeyp->keynum].len);
1012 fkeyp->flen = kbd->kb_fkeytab[fkeyp->keynum].len;
1014 case SETFKEY: /* set functionkey string */
1015 #ifndef KBD_DISABLE_KEYMAP_LOAD
1016 fkeyp = (fkeyarg_t *)arg;
1017 if (fkeyp->keynum >= kbd->kb_fkeytab_size) {
1021 kbd->kb_fkeytab[fkeyp->keynum].len = imin(fkeyp->flen, MAXFK);
1022 bcopy(fkeyp->keydef, kbd->kb_fkeytab[fkeyp->keynum].str,
1023 kbd->kb_fkeytab[fkeyp->keynum].len);
1039 /* get a pointer to the string associated with the given function key */
1041 genkbd_get_fkeystr(keyboard_t *kbd, int fkey, size_t *len)
1046 if (fkey > kbd->kb_fkeytab_size)
1048 *len = kbd->kb_fkeytab[fkey].len;
1049 return kbd->kb_fkeytab[fkey].str;
1052 /* diagnostic dump */
1054 get_kbd_type_name(int type)
1061 { KB_101, "AT 101/102" },
1062 { KB_OTHER, "generic" },
1066 for (i = 0; i < sizeof(name_table)/sizeof(name_table[0]); ++i) {
1067 if (type == name_table[i].type)
1068 return name_table[i].name;
1074 genkbd_diag(keyboard_t *kbd, int level)
1077 kprintf("kbd%d: %s%d, %s (%d), config:0x%x, flags:0x%x",
1078 kbd->kb_index, kbd->kb_name, kbd->kb_unit,
1079 get_kbd_type_name(kbd->kb_type), kbd->kb_type,
1080 kbd->kb_config, kbd->kb_flags);
1081 if (kbd->kb_io_base > 0)
1082 kprintf(", port:0x%x-0x%x", kbd->kb_io_base,
1083 kbd->kb_io_base + kbd->kb_io_size - 1);
1088 #define set_lockkey_state(k, s, l) \
1089 if (!((s) & l ## DOWN)) { \
1093 i = (s) & LOCK_MASK; \
1094 kbd_ioctl((k), KDSETLED, (caddr_t)&i); \
1098 save_accent_key(keyboard_t *kbd, u_int key, int *accents)
1102 /* make an index into the accent map */
1103 i = key - F_ACC + 1;
1104 if ((i > kbd->kb_accentmap->n_accs)
1105 || (kbd->kb_accentmap->acc[i - 1].accchar == 0)) {
1106 /* the index is out of range or pointing to an empty entry */
1112 * If the same accent key has been hit twice, produce the accent char
1115 if (i == *accents) {
1116 key = kbd->kb_accentmap->acc[i - 1].accchar;
1121 /* remember the index and wait for the next key */
1127 make_accent_char(keyboard_t *kbd, u_int ch, int *accents)
1132 acc = &kbd->kb_accentmap->acc[*accents - 1];
1136 * If the accent key is followed by the space key,
1137 * produce the accent char itself.
1140 return acc->accchar;
1142 /* scan the accent map */
1143 for (i = 0; i < NUM_ACCENTCHARS; ++i) {
1144 if (acc->map[i][0] == 0) /* end of table */
1146 if (acc->map[i][0] == ch)
1147 return acc->map[i][1];
1149 /* this char cannot be accented... */
1154 genkbd_keyaction(keyboard_t *kbd, int keycode, int up, int *shiftstate,
1157 struct keyent_t *key;
1158 int state = *shiftstate;
1164 f = state & (AGRS | ALKED);
1165 if ((f == AGRS1) || (f == AGRS2) || (f == ALKED))
1167 key = &kbd->kb_keymap->key[i];
1168 i = ((state & SHIFTS) ? 1 : 0)
1169 | ((state & CTLS) ? 2 : 0)
1170 | ((state & ALTS) ? 4 : 0);
1171 if (((key->flgs & FLAG_LOCK_C) && (state & CLKED))
1172 || ((key->flgs & FLAG_LOCK_N) && (state & NLKED)) )
1175 if (up) { /* break: key released */
1176 action = kbd->kb_lastact[keycode];
1177 kbd->kb_lastact[keycode] = NOP;
1180 if (state & SHIFTAON) {
1181 set_lockkey_state(kbd, state, ALK);
1190 if (state & SHIFTAON) {
1191 set_lockkey_state(kbd, state, ALK);
1200 if (state & SHIFTAON) {
1201 set_lockkey_state(kbd, state, ALK);
1210 if (state & SHIFTAON) {
1211 set_lockkey_state(kbd, state, ALK);
1220 if (state & SHIFTAON) {
1221 set_lockkey_state(kbd, state, ALK);
1230 if (state & SHIFTAON) {
1231 set_lockkey_state(kbd, state, ALK);
1258 /* release events of regular keys are not reported */
1259 *shiftstate &= ~SHIFTAON;
1262 *shiftstate = state & ~SHIFTAON;
1263 return (SPCLKEY | RELKEY | action);
1264 } else { /* make: key pressed */
1265 action = key->map[i];
1267 if (key->spcl & (0x80 >> i)) {
1269 if (kbd->kb_lastact[keycode] == NOP)
1270 kbd->kb_lastact[keycode] = action;
1271 if (kbd->kb_lastact[keycode] != action)
1276 set_lockkey_state(kbd, state, NLK);
1279 set_lockkey_state(kbd, state, CLK);
1282 set_lockkey_state(kbd, state, SLK);
1285 set_lockkey_state(kbd, state, ALK);
1287 /* NON-LOCKING KEYS */
1288 case SPSC: case RBT: case SUSP: case STBY:
1289 case DBG: case NEXT: case PREV: case PNC:
1290 case HALT: case PDWN:
1346 *shiftstate = state;
1349 /* is this an accent (dead) key? */
1350 *shiftstate = state;
1351 if (action >= F_ACC && action <= L_ACC) {
1352 action = save_accent_key(kbd, action,
1360 return (action | MKEY);
1366 /* other special keys */
1371 if (action >= F_FN && action <= L_FN)
1373 /* XXX: return fkey string for the FKEY? */
1374 return (SPCLKEY | action);
1376 *shiftstate = state;
1377 return (SPCLKEY | action);
1380 kbd->kb_lastact[keycode] = NOP;
1381 *shiftstate = state;
1383 /* make an accented char */
1384 action = make_accent_char(kbd, action, accents);
1385 if (action == ERRKEY)