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 1.6 2004/02/11 15:13:06 joerg Exp $
7 * Copyright (c) 1998 The NetBSD Foundation, Inc.
10 * This code is derived from software contributed to The NetBSD Foundation
11 * by Lennart Augustsson (lennart@augustsson.net) at
12 * Carlstedt Research & Technology.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
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.
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.
44 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
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>
57 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
58 #include <sys/limits.h>
60 #include <machine/limits.h>
62 #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
63 #include <sys/selinfo.h>
65 #include <sys/select.h>
67 #include <sys/vnode.h>
68 #include <sys/sysctl.h>
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>
79 #include <dev/misc/kbd/kbdreg.h>
81 #define UKBD_EMULATE_ATSCANCODE 1
83 #define DRIVER_NAME "ukbd"
85 #define delay(d) DELAY(d)
88 #define DPRINTF(x) if (ukbddebug) logprintf x
89 #define DPRINTFN(n,x) if (ukbddebug>(n)) logprintf x
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");
99 #define UPROTO_BOOT_KEYBOARD 1
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
114 u_int8_t keycode[NKEYCODE];
117 #define MAXKEYS (NMOD+2*NKEYCODE)
119 typedef struct ukbd_softc {
120 device_t sc_dev; /* base device */
123 #define UKBD_CHUNK 128 /* chunk size for read */
124 #define UKBD_BSIZE 1020 /* buffer size */
126 typedef void usbd_intr_t(usbd_xfer_handle, usbd_private_handle, usbd_status);
127 typedef void usbd_disco_t(void *);
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);
133 USB_DECLARE_DRIVER_INIT(ukbd, DEVMETHOD(device_resume, ukbd_resume));
137 USB_MATCH_START(ukbd, uaa);
139 keyboard_switch_t *sw;
141 int unit = device_get_unit(self);
143 sw = kbd_get_switch(DRIVER_NAME);
145 return (UMATCH_NONE);
147 arg[0] = (void *)uaa;
148 arg[1] = (void *)ukbd_intr;
149 if ((*sw->probe)(unit, (void *)arg, 0))
150 return (UMATCH_NONE);
152 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
157 USB_ATTACH_START(ukbd, sc, uaa);
158 usbd_interface_handle iface = uaa->iface;
159 usb_interface_descriptor_t *id;
162 keyboard_switch_t *sw;
165 int unit = device_get_unit(self);
167 sw = kbd_get_switch(DRIVER_NAME);
169 USB_ATTACH_ERROR_RETURN;
171 id = usbd_get_interface_descriptor(iface);
172 usbd_devinfo(uaa->device, 0, devinfo);
174 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
175 devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
177 arg[0] = (void *)uaa;
178 arg[1] = (void *)ukbd_intr;
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;
186 #ifdef KBD_INSTALL_CDEV
188 USB_ATTACH_ERROR_RETURN;
191 (*sw->diag)(kbd, bootverbose);
193 USB_ATTACH_SUCCESS_RETURN;
197 ukbd_detach(device_t self)
202 kbd = kbd_get_keyboard(kbd_find_keyboard(DRIVER_NAME,
203 device_get_unit(self)));
205 DPRINTF(("%s: keyboard not attached!?\n", USBDEVNAME(self)));
208 (*kbdsw[kbd->kb_index]->disable)(kbd);
210 #ifdef KBD_INSTALL_CDEV
211 error = kbd_detach(kbd);
215 error = (*kbdsw[kbd->kb_index]->term)(kbd);
219 DPRINTF(("%s: disconnected\n", USBDEVNAME(self)));
225 ukbd_resume(device_t self)
229 kbd = kbd_get_keyboard(kbd_find_keyboard(DRIVER_NAME,
230 device_get_unit(self)));
232 (*kbdsw[kbd->kb_index]->clear_state)(kbd);
237 ukbd_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
239 keyboard_t *kbd = (keyboard_t *)addr;
241 (*kbdsw[kbd->kb_index]->intr)(kbd, (void *)status);
244 DRIVER_MODULE(ukbd, uhub, ukbd_driver, ukbd_devclass, ukbd_driver_load, 0);
247 #define UKBD_DEFAULT 0
249 #define KEY_ERROR 0x01
252 #define KEY_RELEASE 0x400
253 #define KEY_INDEX(c) ((c) & ~KEY_RELEASE)
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 \
263 #define SCAN_CHAR(c) ((c) & 0x7f)
268 } ukbd_mods[NMOD] = {
269 { MOD_CONTROL_L, 0xe0 },
270 { MOD_CONTROL_R, 0xe4 },
271 { MOD_SHIFT_L, 0xe1 },
272 { MOD_SHIFT_R, 0xe5 },
279 #define NN 0 /* no translation */
281 * Translate USB keycodes to AT keyboard scancodes.
284 * FIXME: Mac USB keyboard generates:
285 * 0x53: keypad NumLock/Clear
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 */
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;
333 struct ukbd_data ks_ndata;
334 struct ukbd_data ks_odata;
335 u_long ks_ntime[NKEYCODE];
336 u_long ks_otime[NKEYCODE];
338 #define INPUTBUFSIZE (NMOD + 2*NKEYCODE)
339 u_int ks_input[INPUTBUFSIZE]; /* input buffer */
345 #define INTRENABLED (1 << 0)
346 #define DISCONNECTED (1 << 1)
348 struct callout_handle ks_timeout_handle;
350 int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
351 int ks_flags; /* flags */
352 #define COMPOSE (1 << 0)
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];
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;
382 keyboard_switch_t ukbdsw = {
404 KEYBOARD_DRIVER(ukbd, ukbdsw, ukbd_configure);
406 /* local functions */
407 Static int ukbd_enable_intr(keyboard_t *kbd, int on,
409 Static timeout_t ukbd_timeout;
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,
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);
421 /* local variables */
423 /* the initial key map, accent map and fkey strings */
424 #ifdef UKBD_DFLT_KEYMAP
425 #define KBD_DFLT_KEYMAP
428 #include <dev/misc/kbd/kbdtables.h>
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];
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!!
447 ukbd_configure(int flags)
454 struct usb_attach_arg *uaa;
457 device = devclass_get_device(ukbd_devclass, UKBD_DEFAULT);
460 uaa = (struct usb_attach_arg *)device_get_ivars(device);
464 /* probe the default keyboard */
465 arg[0] = (void *)uaa;
466 arg[1] = (void *)ukbd_intr;
468 if (ukbd_probe(UKBD_DEFAULT, arg, flags))
470 if (ukbd_init(UKBD_DEFAULT, &kbd, arg, flags))
473 /* return the number of found keyboards */
478 /* low-level functions */
480 /* detect a keyboard */
482 ukbd_probe(int unit, void *arg, int flags)
485 struct usb_attach_arg *uaa;
488 uaa = (struct usb_attach_arg *)data[0];
491 if (unit == UKBD_DEFAULT) {
492 if (KBD_IS_PROBED(&default_kbd))
495 if (probe_keyboard(uaa, flags))
500 /* reset and initialize the device */
502 ukbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
510 void **data = (void **)arg;
511 struct usb_attach_arg *uaa = (struct usb_attach_arg *)data[0];
514 if (unit == UKBD_DEFAULT) {
515 *kbdp = kbd = &default_kbd;
516 if (KBD_IS_INITIALIZED(kbd) && KBD_IS_CONFIGURED(kbd))
518 state = &default_kbd_state;
519 keymap = &default_keymap;
520 accmap = &default_accentmap;
521 fkeymap = default_fkeytab;
523 sizeof(default_fkeytab)/sizeof(default_fkeytab[0]);
524 } else if (*kbdp == NULL) {
525 *kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_NOWAIT);
528 bzero(kbd, sizeof(*kbd));
529 state = malloc(sizeof(*state), M_DEVBUF, M_NOWAIT);
530 keymap = malloc(sizeof(key_map), M_DEVBUF, M_NOWAIT);
531 accmap = malloc(sizeof(accent_map), M_DEVBUF, M_NOWAIT);
532 fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_NOWAIT);
533 fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
534 if ((state == NULL) || (keymap == NULL) || (accmap == NULL)
535 || (fkeymap == NULL)) {
537 free(state, M_DEVBUF);
539 free(keymap, M_DEVBUF);
541 free(accmap, M_DEVBUF);
543 free(fkeymap, M_DEVBUF);
547 } else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) {
551 state = (ukbd_state_t *)kbd->kb_data;
552 keymap = kbd->kb_keymap;
553 accmap = kbd->kb_accentmap;
554 fkeymap = kbd->kb_fkeytab;
555 fkeymap_size = kbd->kb_fkeytab_size;
558 if (!KBD_IS_PROBED(kbd)) {
559 kbd_init_struct(kbd, DRIVER_NAME, KB_OTHER, unit, flags, 0, 0);
560 bzero(state, sizeof(*state));
561 bcopy(&key_map, keymap, sizeof(key_map));
562 bcopy(&accent_map, accmap, sizeof(accent_map));
563 bcopy(fkey_tab, fkeymap,
564 imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
565 kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
566 kbd->kb_data = (void *)state;
568 if (probe_keyboard(uaa, flags))
571 KBD_FOUND_DEVICE(kbd);
572 ukbd_clear_state(kbd);
573 state->ks_mode = K_XLATE;
574 state->ks_iface = uaa->iface;
576 state->ks_ifstate = 0;
577 callout_handle_init(&state->ks_timeout_handle);
579 * FIXME: set the initial value for lock keys in ks_state
580 * according to the BIOS data?
584 if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
585 if (KBD_HAS_DEVICE(kbd)
586 && init_keyboard((ukbd_state_t *)kbd->kb_data,
587 &kbd->kb_type, kbd->kb_flags))
589 ukbd_ioctl(kbd, KDSETLED, (caddr_t)&(state->ks_state));
592 if (!KBD_IS_CONFIGURED(kbd)) {
593 if (kbd_register(kbd) < 0)
595 if (ukbd_enable_intr(kbd, TRUE, (usbd_intr_t *)data[1]) == 0)
596 ukbd_timeout((void *)kbd);
597 KBD_CONFIG_DONE(kbd);
604 ukbd_enable_intr(keyboard_t *kbd, int on, usbd_intr_t *func)
606 ukbd_state_t *state = (ukbd_state_t *)kbd->kb_data;
610 /* Set up interrupt pipe. */
611 if (state->ks_ifstate & INTRENABLED)
614 state->ks_ifstate |= INTRENABLED;
615 err = usbd_open_pipe_intr(state->ks_iface, state->ks_ep_addr,
617 &state->ks_intrpipe, kbd,
619 sizeof(state->ks_ndata), func,
620 USBD_DEFAULT_INTERVAL);
624 /* Disable interrupts. */
625 usbd_abort_pipe(state->ks_intrpipe);
626 usbd_close_pipe(state->ks_intrpipe);
628 state->ks_ifstate &= ~INTRENABLED;
634 /* finish using this keyboard */
636 ukbd_term(keyboard_t *kbd)
644 state = (ukbd_state_t *)kbd->kb_data;
645 DPRINTF(("ukbd_term: ks_ifstate=0x%x\n", state->ks_ifstate));
647 untimeout(ukbd_timeout, (void *)kbd, state->ks_timeout_handle);
648 callout_handle_init(&state->ks_timeout_handle);
650 if (state->ks_ifstate & INTRENABLED)
651 ukbd_enable_intr(kbd, FALSE, NULL);
652 if (state->ks_ifstate & INTRENABLED) {
654 DPRINTF(("ukbd_term: INTRENABLED!\n"));
658 error = kbd_unregister(kbd);
659 DPRINTF(("ukbd_term: kbd_unregister() %d\n", error));
662 if (kbd != &default_kbd) {
663 free(kbd->kb_keymap, M_DEVBUF);
664 free(kbd->kb_accentmap, M_DEVBUF);
665 free(kbd->kb_fkeytab, M_DEVBUF);
666 free(state, M_DEVBUF);
676 /* keyboard interrupt routine */
679 ukbd_timeout(void *arg)
685 kbd = (keyboard_t *)arg;
686 state = (ukbd_state_t *)kbd->kb_data;
688 (*kbdsw[kbd->kb_index]->intr)(kbd, (void *)USBD_NORMAL_COMPLETION);
689 state->ks_timeout_handle = timeout(ukbd_timeout, arg, hz/40);
694 ukbd_interrupt(keyboard_t *kbd, void *arg)
696 usbd_status status = (usbd_status)arg;
698 struct ukbd_data *ud;
705 DPRINTFN(5, ("ukbd_intr: status=%d\n", status));
706 if (status == USBD_CANCELLED)
709 state = (ukbd_state_t *)kbd->kb_data;
710 ud = &state->ks_ndata;
712 if (status != USBD_NORMAL_COMPLETION) {
713 DPRINTF(("ukbd_intr: status=%d\n", status));
714 if (status == USBD_STALLED)
715 usbd_clear_endpoint_stall_async(state->ks_intrpipe);
719 if (ud->keycode[0] == KEY_ERROR)
720 return 0; /* ignore */
723 now = (u_long)tv.tv_sec*1000 + (u_long)tv.tv_usec/1000;
726 if (state->ks_inputs < INPUTBUFSIZE) { \
727 state->ks_input[state->ks_inputtail] = (c); \
728 ++state->ks_inputs; \
729 state->ks_inputtail = (state->ks_inputtail + 1)%INPUTBUFSIZE; \
733 omod = state->ks_odata.modifiers;
735 for (i = 0; i < NMOD; i++)
736 if (( mod & ukbd_mods[i].mask) !=
737 (omod & ukbd_mods[i].mask))
738 ADDKEY1(ukbd_mods[i].key |
739 (mod & ukbd_mods[i].mask
740 ? KEY_PRESS : KEY_RELEASE));
743 /* Check for released keys. */
744 for (i = 0; i < NKEYCODE; i++) {
745 key = state->ks_odata.keycode[i];
748 for (j = 0; j < NKEYCODE; j++) {
749 if (ud->keycode[j] == 0)
751 if (key == ud->keycode[j])
754 ADDKEY1(key | KEY_RELEASE);
759 /* Check for pressed keys. */
760 for (i = 0; i < NKEYCODE; i++) {
761 key = ud->keycode[i];
764 state->ks_ntime[i] = now + kbd->kb_delay1;
765 for (j = 0; j < NKEYCODE; j++) {
766 if (state->ks_odata.keycode[j] == 0)
768 if (key == state->ks_odata.keycode[j]) {
769 state->ks_ntime[i] = state->ks_otime[j];
770 if (state->ks_otime[j] > now)
772 state->ks_ntime[i] = now + kbd->kb_delay2;
776 ADDKEY1(key | KEY_PRESS);
781 state->ks_odata = *ud;
782 bcopy(state->ks_ntime, state->ks_otime, sizeof(state->ks_ntime));
783 if (state->ks_inputs <= 0)
787 for (i = state->ks_inputhead, j = 0; j < state->ks_inputs; ++j,
788 i = (i + 1)%INPUTBUFSIZE) {
789 c = state->ks_input[i];
790 DPRINTF(("0x%x (%d) %s\n", c, c,
791 (c & KEY_RELEASE) ? "released":"pressed"));
794 DPRINTF(("mod:0x%04x ", ud->modifiers));
795 for (i = 0; i < NKEYCODE; i++) {
797 DPRINTF(("%d ", ud->keycode[i]));
800 #endif /* USB_DEBUG */
802 if (state->ks_polling)
805 if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) {
806 /* let the callback function to process the input */
807 (*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT,
808 kbd->kb_callback.kc_arg);
810 /* read and discard the input; no one is waiting for it */
812 c = ukbd_read_char(kbd, FALSE);
813 } while (c != NOKEY);
820 ukbd_getc(ukbd_state_t *state)
825 if (state->ks_polling) {
826 DPRINTFN(1,("ukbd_getc: polling\n"));
828 while (state->ks_inputs <= 0)
829 usbd_dopoll(state->ks_iface);
833 if (state->ks_inputs <= 0) {
836 c = state->ks_input[state->ks_inputhead];
838 state->ks_inputhead = (state->ks_inputhead + 1)%INPUTBUFSIZE;
844 /* test the interface to the device */
846 ukbd_test_if(keyboard_t *kbd)
852 * Enable the access to the device; until this function is called,
853 * the client cannot read from the keyboard.
856 ukbd_enable(keyboard_t *kbd)
866 /* disallow the access to the device */
868 ukbd_disable(keyboard_t *kbd)
878 /* read one byte from the keyboard if it's allowed */
880 ukbd_read(keyboard_t *kbd, int wait)
884 #ifdef UKBD_EMULATE_ATSCANCODE
889 state = (ukbd_state_t *)kbd->kb_data;
890 #ifdef UKBD_EMULATE_ATSCANCODE
891 if (state->ks_buffered_char[0]) {
892 scancode = state->ks_buffered_char[0];
893 if (scancode & SCAN_PREFIX) {
894 state->ks_buffered_char[0] = scancode & ~SCAN_PREFIX;
895 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
897 state->ks_buffered_char[0] = state->ks_buffered_char[1];
898 state->ks_buffered_char[1] = 0;
902 #endif /* UKBD_EMULATE_ATSCANCODE */
905 usbcode = ukbd_getc(state);
906 if (!KBD_IS_ACTIVE(kbd) || (usbcode == -1))
909 #ifdef UKBD_EMULATE_ATSCANCODE
910 keycode = ukbd_trtab[KEY_INDEX(usbcode)];
914 scancode = keycode2scancode(keycode, state->ks_ndata.modifiers,
915 usbcode & KEY_RELEASE);
916 if (scancode & SCAN_PREFIX) {
917 if (scancode & SCAN_PREFIX_CTL) {
918 state->ks_buffered_char[0] =
919 0x1d | (scancode & SCAN_RELEASE); /* Ctrl */
920 state->ks_buffered_char[1] = scancode & ~SCAN_PREFIX;
921 } else if (scancode & SCAN_PREFIX_SHIFT) {
922 state->ks_buffered_char[0] =
923 0x2a | (scancode & SCAN_RELEASE); /* Shift */
924 state->ks_buffered_char[1] =
925 scancode & ~SCAN_PREFIX_SHIFT;
927 state->ks_buffered_char[0] = scancode & ~SCAN_PREFIX;
928 state->ks_buffered_char[1] = 0;
930 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
933 #else /* !UKBD_EMULATE_ATSCANCODE */
935 #endif /* UKBD_EMULATE_ATSCANCODE */
938 /* check if data is waiting */
940 ukbd_check(keyboard_t *kbd)
942 if (!KBD_IS_ACTIVE(kbd))
944 #ifdef UKBD_EMULATE_ATSCANCODE
945 if (((ukbd_state_t *)kbd->kb_data)->ks_buffered_char[0])
948 if (((ukbd_state_t *)kbd->kb_data)->ks_inputs > 0)
953 /* read char from the keyboard */
955 ukbd_read_char(keyboard_t *kbd, int wait)
961 #ifdef UKBD_EMULATE_ATSCANCODE
965 state = (ukbd_state_t *)kbd->kb_data;
967 /* do we have a composed char to return? */
968 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
969 action = state->ks_composed_char;
970 state->ks_composed_char = 0;
971 if (action > UCHAR_MAX)
976 #ifdef UKBD_EMULATE_ATSCANCODE
977 /* do we have a pending raw scan code? */
978 if (state->ks_mode == K_RAW) {
979 if (state->ks_buffered_char[0]) {
980 scancode = state->ks_buffered_char[0];
981 if (scancode & SCAN_PREFIX) {
982 state->ks_buffered_char[0] =
983 scancode & ~SCAN_PREFIX;
984 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
986 state->ks_buffered_char[0] =
987 state->ks_buffered_char[1];
988 state->ks_buffered_char[1] = 0;
993 #endif /* UKBD_EMULATE_ATSCANCODE */
995 /* see if there is something in the keyboard port */
997 usbcode = ukbd_getc(state);
1002 #ifdef UKBD_EMULATE_ATSCANCODE
1003 /* USB key index -> key code -> AT scan code */
1004 keycode = ukbd_trtab[KEY_INDEX(usbcode)];
1008 /* return an AT scan code for the K_RAW mode */
1009 if (state->ks_mode == K_RAW) {
1010 scancode = keycode2scancode(keycode, state->ks_ndata.modifiers,
1011 usbcode & KEY_RELEASE);
1012 if (scancode & SCAN_PREFIX) {
1013 if (scancode & SCAN_PREFIX_CTL) {
1014 state->ks_buffered_char[0] =
1015 0x1d | (scancode & SCAN_RELEASE);
1016 state->ks_buffered_char[1] =
1017 scancode & ~SCAN_PREFIX;
1018 } else if (scancode & SCAN_PREFIX_SHIFT) {
1019 state->ks_buffered_char[0] =
1020 0x2a | (scancode & SCAN_RELEASE);
1021 state->ks_buffered_char[1] =
1022 scancode & ~SCAN_PREFIX_SHIFT;
1024 state->ks_buffered_char[0] =
1025 scancode & ~SCAN_PREFIX;
1026 state->ks_buffered_char[1] = 0;
1028 return ((scancode & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
1032 #else /* !UKBD_EMULATE_ATSCANCODE */
1033 /* return the byte as is for the K_RAW mode */
1034 if (state->ks_mode == K_RAW)
1037 /* USB key index -> key code */
1038 keycode = ukbd_trtab[KEY_INDEX(usbcode)];
1041 #endif /* UKBD_EMULATE_ATSCANCODE */
1044 case 0x38: /* left alt (compose key) */
1045 if (usbcode & KEY_RELEASE) {
1046 if (state->ks_flags & COMPOSE) {
1047 state->ks_flags &= ~COMPOSE;
1048 if (state->ks_composed_char > UCHAR_MAX)
1049 state->ks_composed_char = 0;
1052 if (!(state->ks_flags & COMPOSE)) {
1053 state->ks_flags |= COMPOSE;
1054 state->ks_composed_char = 0;
1058 /* XXX: I don't like these... */
1059 case 0x5c: /* print screen */
1060 if (state->ks_flags & ALTS)
1061 keycode = 0x54; /* sysrq */
1063 case 0x68: /* pause/break */
1064 if (state->ks_flags & CTLS)
1065 keycode = 0x6c; /* break */
1069 /* return the key code in the K_CODE mode */
1070 if (usbcode & KEY_RELEASE)
1071 keycode |= SCAN_RELEASE;
1072 if (state->ks_mode == K_CODE)
1075 /* compose a character code */
1076 if (state->ks_flags & COMPOSE) {
1078 /* key pressed, process it */
1079 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
1080 state->ks_composed_char *= 10;
1081 state->ks_composed_char += keycode - 0x40;
1082 if (state->ks_composed_char > UCHAR_MAX)
1085 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
1086 state->ks_composed_char *= 10;
1087 state->ks_composed_char += keycode - 0x47;
1088 if (state->ks_composed_char > UCHAR_MAX)
1091 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
1092 state->ks_composed_char *= 10;
1093 state->ks_composed_char += keycode - 0x4E;
1094 if (state->ks_composed_char > UCHAR_MAX)
1097 case 0x52: /* keypad 0 */
1098 state->ks_composed_char *= 10;
1099 if (state->ks_composed_char > UCHAR_MAX)
1103 /* key released, no interest here */
1104 case SCAN_RELEASE | 0x47:
1105 case SCAN_RELEASE | 0x48:
1106 case SCAN_RELEASE | 0x49: /* keypad 7,8,9 */
1107 case SCAN_RELEASE | 0x4B:
1108 case SCAN_RELEASE | 0x4C:
1109 case SCAN_RELEASE | 0x4D: /* keypad 4,5,6 */
1110 case SCAN_RELEASE | 0x4F:
1111 case SCAN_RELEASE | 0x50:
1112 case SCAN_RELEASE | 0x51: /* keypad 1,2,3 */
1113 case SCAN_RELEASE | 0x52: /* keypad 0 */
1116 case 0x38: /* left alt key */
1120 if (state->ks_composed_char > 0) {
1121 state->ks_flags &= ~COMPOSE;
1122 state->ks_composed_char = 0;
1129 /* keycode to key action */
1130 action = genkbd_keyaction(kbd, SCAN_CHAR(keycode),
1131 keycode & SCAN_RELEASE, &state->ks_state,
1132 &state->ks_accents);
1133 if (action == NOKEY)
1139 /* check if char is waiting */
1141 ukbd_check_char(keyboard_t *kbd)
1143 ukbd_state_t *state;
1145 if (!KBD_IS_ACTIVE(kbd))
1147 state = (ukbd_state_t *)kbd->kb_data;
1148 if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0))
1150 if (state->ks_inputs > 0)
1155 /* some useful control functions */
1157 ukbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
1159 /* trasnlate LED_XXX bits into the device specific bits */
1160 static u_char ledmap[8] = {
1161 0, 2, 1, 3, 4, 6, 5, 7,
1163 ukbd_state_t *state = kbd->kb_data;
1170 case KDGKBMODE: /* get keyboard mode */
1171 *(int *)arg = state->ks_mode;
1173 case KDSKBMODE: /* set keyboard mode */
1174 switch (*(int *)arg) {
1176 if (state->ks_mode != K_XLATE) {
1177 /* make lock key state and LED state match */
1178 state->ks_state &= ~LOCK_MASK;
1179 state->ks_state |= KBD_LED_VAL(kbd);
1184 if (state->ks_mode != *(int *)arg) {
1185 ukbd_clear_state(kbd);
1186 state->ks_mode = *(int *)arg;
1195 case KDGETLED: /* get keyboard LED */
1196 *(int *)arg = KBD_LED_VAL(kbd);
1198 case KDSETLED: /* set keyboard LED */
1199 /* NOTE: lock key state in ks_state won't be changed */
1200 if (*(int *)arg & ~LOCK_MASK) {
1205 /* replace CAPS LED with ALTGR LED for ALTGR keyboards */
1206 if (kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
1212 if (KBD_HAS_DEVICE(kbd)) {
1213 set_leds(state, ledmap[i & LED_MASK]);
1214 /* XXX: error check? */
1216 KBD_LED_VAL(kbd) = *(int *)arg;
1219 case KDGKBSTATE: /* get lock key state */
1220 *(int *)arg = state->ks_state & LOCK_MASK;
1222 case KDSKBSTATE: /* set lock key state */
1223 if (*(int *)arg & ~LOCK_MASK) {
1227 state->ks_state &= ~LOCK_MASK;
1228 state->ks_state |= *(int *)arg;
1230 /* set LEDs and quit */
1231 return ukbd_ioctl(kbd, KDSETLED, arg);
1233 case KDSETREPEAT: /* set keyboard repeat rate (new interface) */
1235 if (!KBD_HAS_DEVICE(kbd))
1237 if (((int *)arg)[1] < 0)
1239 if (((int *)arg)[0] < 0)
1241 else if (((int *)arg)[0] == 0) /* fastest possible value */
1242 kbd->kb_delay1 = 200;
1244 kbd->kb_delay1 = ((int *)arg)[0];
1245 kbd->kb_delay2 = ((int *)arg)[1];
1248 case KDSETRAD: /* set keyboard repeat rate (old interface) */
1250 return set_typematic(kbd, *(int *)arg);
1252 case PIO_KEYMAP: /* set keyboard translation table */
1253 case PIO_KEYMAPENT: /* set keyboard translation table entry */
1254 case PIO_DEADKEYMAP: /* set accent key translation table */
1255 state->ks_accents = 0;
1259 return genkbd_commonioctl(kbd, cmd, arg);
1263 ukbddebug = *(int *)arg;
1272 /* lock the access to the keyboard */
1274 ukbd_lock(keyboard_t *kbd, int lock)
1280 /* clear the internal state of the keyboard */
1282 ukbd_clear_state(keyboard_t *kbd)
1284 ukbd_state_t *state;
1286 state = (ukbd_state_t *)kbd->kb_data;
1287 state->ks_flags = 0;
1288 state->ks_polling = 0;
1289 state->ks_state &= LOCK_MASK; /* preserve locking key state */
1290 state->ks_accents = 0;
1291 state->ks_composed_char = 0;
1292 #ifdef UKBD_EMULATE_ATSCANCODE
1293 state->ks_buffered_char[0] = 0;
1294 state->ks_buffered_char[1] = 0;
1296 bzero(&state->ks_ndata, sizeof(state->ks_ndata));
1297 bzero(&state->ks_odata, sizeof(state->ks_odata));
1298 bzero(&state->ks_ntime, sizeof(state->ks_ntime));
1299 bzero(&state->ks_otime, sizeof(state->ks_otime));
1302 /* save the internal state */
1304 ukbd_get_state(keyboard_t *kbd, void *buf, size_t len)
1307 return sizeof(ukbd_state_t);
1308 if (len < sizeof(ukbd_state_t))
1310 bcopy(kbd->kb_data, buf, sizeof(ukbd_state_t));
1314 /* set the internal state */
1316 ukbd_set_state(keyboard_t *kbd, void *buf, size_t len)
1318 if (len < sizeof(ukbd_state_t))
1320 bcopy(buf, kbd->kb_data, sizeof(ukbd_state_t));
1325 ukbd_poll(keyboard_t *kbd, int on)
1327 ukbd_state_t *state;
1328 usbd_device_handle dev;
1331 state = (ukbd_state_t *)kbd->kb_data;
1332 usbd_interface2device_handle(state->ks_iface, &dev);
1336 if (state->ks_polling == 0)
1337 usbd_set_polling(dev, on);
1338 ++state->ks_polling;
1340 --state->ks_polling;
1341 if (state->ks_polling == 0)
1342 usbd_set_polling(dev, on);
1348 /* local functions */
1351 probe_keyboard(struct usb_attach_arg *uaa, int flags)
1353 usb_interface_descriptor_t *id;
1355 if (!uaa->iface) /* we attach to ifaces only */
1358 /* Check that this is a keyboard that speaks the boot protocol. */
1359 id = usbd_get_interface_descriptor(uaa->iface);
1361 && id->bInterfaceClass == UICLASS_HID
1362 && id->bInterfaceSubClass == UISUBCLASS_BOOT
1363 && id->bInterfaceProtocol == UPROTO_BOOT_KEYBOARD)
1364 return 0; /* found it */
1370 init_keyboard(ukbd_state_t *state, int *type, int flags)
1372 usb_endpoint_descriptor_t *ed;
1377 state->ks_ifstate |= DISCONNECTED;
1379 ed = usbd_interface2endpoint_descriptor(state->ks_iface, 0);
1381 printf("ukbd: could not read endpoint descriptor\n");
1385 DPRINTFN(10,("ukbd:init_keyboard: \
1386 bLength=%d bDescriptorType=%d bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d bInterval=%d\n",
1387 ed->bLength, ed->bDescriptorType,
1388 UE_GET_ADDR(ed->bEndpointAddress),
1389 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN ? "in":"out",
1390 UE_GET_XFERTYPE(ed->bmAttributes),
1391 UGETW(ed->wMaxPacketSize), ed->bInterval));
1393 if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN ||
1394 UE_GET_XFERTYPE(ed->bmAttributes) != UE_INTERRUPT) {
1395 printf("ukbd: unexpected endpoint\n");
1399 if ((usbd_get_quirks(state->ks_uaa->device)->uq_flags & UQ_NO_SET_PROTO) == 0) {
1400 err = usbd_set_protocol(state->ks_iface, 0);
1401 DPRINTFN(5, ("ukbd:init_keyboard: protocol set\n"));
1403 printf("ukbd: set protocol failed\n");
1407 /* Ignore if SETIDLE fails since it is not crucial. */
1408 usbd_set_idle(state->ks_iface, 0, 0);
1410 state->ks_ep_addr = ed->bEndpointAddress;
1411 state->ks_ifstate &= ~DISCONNECTED;
1417 set_leds(ukbd_state_t *state, int leds)
1419 u_int8_t res = leds;
1421 DPRINTF(("ukbd:set_leds: state=%p leds=%d\n", state, leds));
1423 usbd_set_report_async(state->ks_iface, UHID_OUTPUT_REPORT, 0, &res, 1);
1427 set_typematic(keyboard_t *kbd, int code)
1429 static int delays[] = { 250, 500, 750, 1000 };
1430 static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63,
1431 68, 76, 84, 92, 100, 110, 118, 126,
1432 136, 152, 168, 184, 200, 220, 236, 252,
1433 272, 304, 336, 368, 400, 440, 472, 504 };
1437 kbd->kb_delay1 = delays[(code >> 5) & 3];
1438 kbd->kb_delay2 = rates[code & 0x1f];
1442 #ifdef UKBD_EMULATE_ATSCANCODE
1444 keycode2scancode(int keycode, int shift, int up)
1446 static int scan[] = {
1448 0x37 | SCAN_PREFIX_SHIFT, /* PrintScreen */
1449 0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
1450 0x50, 0x51, 0x52, 0x53,
1451 0x46, /* XXX Pause/Break */
1457 if ((keycode >= 89) && (keycode < 89 + sizeof(scan)/sizeof(scan[0])))
1458 scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
1460 if ((keycode == 104) && !(shift & (MOD_CONTROL_L | MOD_CONTROL_R)))
1461 scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
1462 if (shift & (MOD_SHIFT_L | MOD_SHIFT_R))
1463 scancode &= ~SCAN_PREFIX_SHIFT;
1464 return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));
1466 #endif /* UKBD_EMULATE_ATSCANCODE */
1469 ukbd_driver_load(module_t mod, int what, void *arg)
1473 kbd_add_driver(&ukbd_kbd_driver);
1476 kbd_delete_driver(&ukbd_kbd_driver);
1479 return usbd_driver_load(mod, what, 0);