2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2003 Jake Burkholder.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
33 #include "opt_sunkbd.h"
35 #if (defined(SUNKBD_EMULATE_ATKBD) && defined(SUNKBD_DFLT_KEYMAP)) || \
36 !defined(SUNKBD_EMULATE_ATKBD)
37 #define KBD_DFLT_KEYMAP
40 #include <sys/param.h>
41 #include <sys/systm.h>
43 #include <sys/interrupt.h>
45 #include <sys/kernel.h>
46 #include <sys/limits.h>
48 #include <machine/bus.h>
50 #include <dev/kbd/kbdreg.h>
51 #include <dev/kbd/kbdtables.h>
53 #include <dev/uart/uart.h>
54 #include <dev/uart/uart_bus.h>
55 #include <dev/uart/uart_cpu.h>
57 #include <dev/uart/uart_kbd_sun.h>
58 #if !defined(SUNKBD_EMULATE_ATKBD)
59 #include <dev/uart/uart_kbd_sun_tables.h>
62 #if defined(SUNKBD_EMULATE_ATKBD) && defined(SUNKBD_DFLT_KEYMAP)
63 #include "sunkbdmap.h"
67 #define SUNKBD_DRIVER_NAME "sunkbd"
69 #define TODO printf("%s: unimplemented", __func__)
73 struct uart_softc *sc_uart;
74 struct uart_devinfo *sc_sysdev;
76 struct callout sc_repeat_callout;
82 #define KPCOMPOSE (1 << 0)
88 #if defined(SUNKBD_EMULATE_ATKBD)
89 int sc_buffered_char[2];
93 static int sunkbd_configure(int flags);
94 static int sunkbd_probe_keyboard(struct uart_devinfo *di);
96 static int sunkbd_probe(int unit, void *arg, int flags);
97 static int sunkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags);
98 static int sunkbd_term(keyboard_t *kbd);
99 static int sunkbd_intr(keyboard_t *kbd, void *arg);
100 static int sunkbd_test_if(keyboard_t *kbd);
101 static int sunkbd_enable(keyboard_t *kbd);
102 static int sunkbd_disable(keyboard_t *kbd);
103 static int sunkbd_read(keyboard_t *kbd, int wait);
104 static int sunkbd_check(keyboard_t *kbd);
105 static u_int sunkbd_read_char(keyboard_t *kbd, int wait);
106 static int sunkbd_check_char(keyboard_t *kbd);
107 static int sunkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data);
108 static int sunkbd_lock(keyboard_t *kbd, int lock);
109 static void sunkbd_clear_state(keyboard_t *kbd);
110 static int sunkbd_get_state(keyboard_t *kbd, void *buf, size_t len);
111 static int sunkbd_set_state(keyboard_t *kbd, void *buf, size_t len);
112 static int sunkbd_poll_mode(keyboard_t *kbd, int on);
113 static void sunkbd_diag(keyboard_t *kbd, int level);
115 static void sunkbd_repeat(void *v);
116 #if defined(SUNKBD_EMULATE_ATKBD)
117 static int keycode2scancode(int keycode, int shift, int up);
120 static keyboard_switch_t sunkbdsw = {
142 KEYBOARD_DRIVER(sunkbd, sunkbdsw, sunkbd_configure);
144 static struct sunkbd_softc sunkbd_softc;
145 static struct uart_devinfo uart_keyboard;
147 #if defined(SUNKBD_EMULATE_ATKBD)
149 #define SCAN_PRESS 0x000
150 #define SCAN_RELEASE 0x080
151 #define SCAN_PREFIX_E0 0x100
152 #define SCAN_PREFIX_E1 0x200
153 #define SCAN_PREFIX_CTL 0x400
154 #define SCAN_PREFIX_SHIFT 0x800
155 #define SCAN_PREFIX (SCAN_PREFIX_E0 | SCAN_PREFIX_E1 | \
156 SCAN_PREFIX_CTL | SCAN_PREFIX_SHIFT)
158 #define NOTR 0x0 /* no translation */
160 static const uint8_t sunkbd_trtab[] = {
161 NOTR, 0x6d, 0x78, 0x6e, 0x79, 0x3b, 0x3c, 0x44, /* 0x00 - 0x07 */
162 0x3d, 0x57, 0x3e, 0x58, 0x3f, 0x5d, 0x40, NOTR, /* 0x08 - 0x0f */
163 0x41, 0x42, 0x43, 0x38, 0x5f, 0x68, 0x5c, 0x46, /* 0x10 - 0x17 */
164 0x61, 0x6f, 0x70, 0x64, 0x62, 0x01, 0x02, 0x03, /* 0x18 - 0x1f */
165 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 0x20 - 0x27 */
166 0x0c, 0x0d, 0x29, 0x0e, 0x66, 0x77, 0x5b, 0x37, /* 0x28 - 0x2f */
167 0x7a, 0x71, 0x53, 0x74, 0x5e, 0x0f, 0x10, 0x11, /* 0x30 - 0x37 */
168 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, /* 0x38 - 0x3f */
169 0x1a, 0x1b, 0x67, 0x6b, 0x47, 0x48, 0x49, 0x4a, /* 0x40 - 0x47 */
170 0x73, 0x72, 0x63, NOTR, 0x1d, 0x1e, 0x1f, 0x20, /* 0x48 - 0x4f */
171 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, /* 0x50 - 0x57 */
172 0x2b, 0x1c, 0x59, 0x4b, 0x4c, 0x4d, 0x52, 0x75, /* 0x58 - 0x5f */
173 0x60, 0x76, 0x45, 0x2a, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x60 - 0x67 */
174 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, NOTR, /* 0x68 - 0x6f */
175 0x4f, 0x50, 0x51, NOTR, NOTR, NOTR, 0x6c, 0x3a, /* 0x70 - 0x77 */
176 0x69, 0x39, 0x6a, 0x65, 0x56, 0x4e, NOTR, NOTR /* 0x78 - 0x7f */
182 sunkbd_probe_keyboard(struct uart_devinfo *di)
184 int c, id, ltries, tries;
186 for (tries = 5; tries != 0; tries--) {
187 uart_putc(di, SKBD_CMD_RESET);
188 for (ltries = 1000; ltries != 0; ltries--) {
189 if (uart_poll(di) == SKBD_RSP_RESET)
196 for (ltries = 1000; ltries != 0; ltries--) {
197 switch (c = uart_poll(di)) {
211 static int sunkbd_attach(struct uart_softc *sc);
212 static void sunkbd_uart_intr(void *arg);
215 sunkbd_configure(int flags)
217 struct sunkbd_softc *sc;
220 * We are only prepared to be used for the high-level console
221 * when the keyboard is both configured and attached.
223 if (!(flags & KB_CONF_PROBE_ONLY)) {
224 if (KBD_IS_INITIALIZED(&sunkbd_softc.sc_kbd))
230 if (uart_cpu_getdev(UART_DEV_KEYBOARD, &uart_keyboard))
232 if (uart_probe(&uart_keyboard))
234 uart_init(&uart_keyboard);
236 uart_keyboard.type = UART_DEV_KEYBOARD;
237 uart_keyboard.attach = sunkbd_attach;
238 uart_add_sysdev(&uart_keyboard);
240 if (sunkbd_probe_keyboard(&uart_keyboard) != KB_SUN4)
244 callout_init(&sc->sc_repeat_callout, 0);
245 sunkbd_clear_state(&sc->sc_kbd);
247 #if defined(SUNKBD_EMULATE_ATKBD)
248 kbd_init_struct(&sc->sc_kbd, SUNKBD_DRIVER_NAME, KB_101, 0, 0, 0, 0);
249 kbd_set_maps(&sc->sc_kbd, &key_map, &accent_map, fkey_tab,
250 sizeof(fkey_tab) / sizeof(fkey_tab[0]));
252 kbd_init_struct(&sc->sc_kbd, SUNKBD_DRIVER_NAME, KB_OTHER, 0, 0, 0, 0);
253 kbd_set_maps(&sc->sc_kbd, &keymap_sun_us_unix_kbd,
254 &accentmap_sun_us_unix_kbd, fkey_tab,
255 sizeof(fkey_tab) / sizeof(fkey_tab[0]));
257 sc->sc_mode = K_XLATE;
258 kbd_register(&sc->sc_kbd);
260 sc->sc_sysdev = &uart_keyboard;
263 /* Return number of found keyboards. */
268 sunkbd_attach(struct uart_softc *sc)
272 * Don't attach if we didn't probe the keyboard. Note that
273 * the UART is still marked as a system device in that case.
275 if (sunkbd_softc.sc_sysdev == NULL) {
276 device_printf(sc->sc_dev, "keyboard not present\n");
280 if (sc->sc_sysdev != NULL) {
281 sunkbd_softc.sc_uart = sc;
283 #ifdef KBD_INSTALL_CDEV
284 kbd_attach(&sunkbd_softc.sc_kbd);
286 sunkbd_enable(&sunkbd_softc.sc_kbd);
288 swi_add(&tty_intr_event, uart_driver_name, sunkbd_uart_intr,
289 &sunkbd_softc, SWI_TTY, INTR_TYPE_TTY, &sc->sc_softih);
292 KBD_INIT_DONE(&sunkbd_softc.sc_kbd);
299 sunkbd_uart_intr(void *arg)
301 struct sunkbd_softc *sc = arg;
304 if (sc->sc_uart->sc_leaving)
307 pend = atomic_readandclear_32(&sc->sc_uart->sc_ttypend);
308 if (!(pend & SER_INT_MASK))
311 if (pend & SER_INT_RXREADY) {
312 if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
313 sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
314 KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
320 sunkbd_probe(int unit, void *arg, int flags)
328 sunkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
336 sunkbd_term(keyboard_t *kbd)
344 sunkbd_intr(keyboard_t *kbd, void *arg)
352 sunkbd_test_if(keyboard_t *kbd)
360 sunkbd_enable(keyboard_t *kbd)
368 sunkbd_disable(keyboard_t *kbd)
376 sunkbd_read(keyboard_t *kbd, int wait)
384 sunkbd_check(keyboard_t *kbd)
386 struct sunkbd_softc *sc;
388 if (!KBD_IS_ACTIVE(kbd))
391 sc = (struct sunkbd_softc *)kbd;
393 #if defined(SUNKBD_EMULATE_ATKBD)
394 if (sc->sc_buffered_char[0])
398 if (sc->sc_repeating)
401 if (sc->sc_uart != NULL && !uart_rx_empty(sc->sc_uart))
404 if (sc->sc_polling != 0 && sc->sc_sysdev != NULL &&
405 uart_rxready(sc->sc_sysdev))
412 sunkbd_read_char(keyboard_t *kbd, int wait)
414 struct sunkbd_softc *sc;
415 int key, release, repeated, suncode;
417 sc = (struct sunkbd_softc *)kbd;
419 #if defined(SUNKBD_EMULATE_ATKBD)
420 if (sc->sc_mode == K_RAW && sc->sc_buffered_char[0]) {
421 key = sc->sc_buffered_char[0];
422 if (key & SCAN_PREFIX) {
423 sc->sc_buffered_char[0] = key & ~SCAN_PREFIX;
424 return ((key & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
426 sc->sc_buffered_char[0] = sc->sc_buffered_char[1];
427 sc->sc_buffered_char[1] = 0;
434 if (sc->sc_repeating) {
436 sc->sc_repeating = 0;
437 callout_reset(&sc->sc_repeat_callout, hz / 10,
439 suncode = sc->sc_repeat_key;
445 if (!(sc->sc_flags & KPCOMPOSE) && (sc->sc_composed_char > 0)) {
446 key = sc->sc_composed_char;
447 sc->sc_composed_char = 0;
453 if (sc->sc_uart != NULL && !uart_rx_empty(sc->sc_uart)) {
454 suncode = uart_rx_get(sc->sc_uart);
455 } else if (sc->sc_polling != 0 && sc->sc_sysdev != NULL) {
457 suncode = uart_getc(sc->sc_sysdev);
458 else if ((suncode = uart_poll(sc->sc_sysdev)) == -1)
470 key = SKBD_KEY_CHAR(suncode);
471 release = suncode & SKBD_KEY_RELEASE;
474 callout_reset(&sc->sc_repeat_callout,
475 hz / 2, sunkbd_repeat, sc);
476 sc->sc_repeat_key = suncode;
477 } else if (sc->sc_repeat_key == key) {
478 callout_stop(&sc->sc_repeat_callout);
479 sc->sc_repeat_key = -1;
483 #if defined(SUNKBD_EMULATE_ATKBD)
484 key = sunkbd_trtab[key];
490 case 0x1d: /* ctrl */
492 sc->sc_flags &= ~CTLS;
494 sc->sc_flags |= CTLS;
496 case 0x2a: /* left shift */
497 case 0x36: /* right shift */
499 sc->sc_flags &= ~SHIFTS;
501 sc->sc_flags |= SHIFTS;
504 case 0x5d: /* altgr */
506 sc->sc_flags &= ~ALTS;
508 sc->sc_flags |= ALTS;
512 if (sc->sc_mode == K_RAW) {
513 key = keycode2scancode(key, sc->sc_flags,
515 if (key & SCAN_PREFIX) {
516 if (key & SCAN_PREFIX_CTL) {
517 sc->sc_buffered_char[0] =
518 0x1d | (key & SCAN_RELEASE);
519 sc->sc_buffered_char[1] =
521 } else if (key & SCAN_PREFIX_SHIFT) {
522 sc->sc_buffered_char[0] =
523 0x2a | (key & SCAN_RELEASE);
524 sc->sc_buffered_char[1] =
525 key & ~SCAN_PREFIX_SHIFT;
527 sc->sc_buffered_char[0] =
529 sc->sc_buffered_char[1] = 0;
531 return ((key & SCAN_PREFIX_E0) ?
537 case 0x5c: /* print screen */
538 if (sc->sc_flags & ALTS)
539 key = 0x54; /* sysrq */
541 case 0x68: /* pause/break */
542 if (sc->sc_flags & CTLS)
543 key = 0x6c; /* break */
547 if (sc->sc_mode == K_CODE)
548 return (key | release);
550 if (sc->sc_mode == K_RAW || sc->sc_mode == K_CODE)
554 #if defined(SUNKBD_EMULATE_ATKBD)
555 if (key == 0x38) { /* left alt (KP compose key) */
557 if (key == 0x13) { /* left alt (KP compose key) */
560 if (sc->sc_flags & KPCOMPOSE) {
561 sc->sc_flags &= ~KPCOMPOSE;
562 if (sc->sc_composed_char >
564 sc->sc_composed_char =
568 if (!(sc->sc_flags & KPCOMPOSE)) {
569 sc->sc_flags |= KPCOMPOSE;
570 sc->sc_composed_char = 0;
574 if (sc->sc_flags & KPCOMPOSE) {
576 case 0x44: /* KP 7 */
577 case 0x45: /* KP 8 */
578 case 0x46: /* KP 9 */
579 sc->sc_composed_char *= 10;
580 sc->sc_composed_char += suncode - 0x3d;
581 if (sc->sc_composed_char > UCHAR_MAX)
584 case 0x5b: /* KP 4 */
585 case 0x5c: /* KP 5 */
586 case 0x5d: /* KP 6 */
587 sc->sc_composed_char *= 10;
588 sc->sc_composed_char += suncode - 0x58;
589 if (sc->sc_composed_char > UCHAR_MAX)
592 case 0x70: /* KP 1 */
593 case 0x71: /* KP 2 */
594 case 0x72: /* KP 3 */
595 sc->sc_composed_char *= 10;
596 sc->sc_composed_char += suncode - 0x6f;
597 if (sc->sc_composed_char > UCHAR_MAX)
600 case 0x5e: /* KP 0 */
601 sc->sc_composed_char *= 10;
602 if (sc->sc_composed_char > UCHAR_MAX)
606 case 0x44 | SKBD_KEY_RELEASE: /* KP 7 */
607 case 0x45 | SKBD_KEY_RELEASE: /* KP 8 */
608 case 0x46 | SKBD_KEY_RELEASE: /* KP 9 */
609 case 0x5b | SKBD_KEY_RELEASE: /* KP 4 */
610 case 0x5c | SKBD_KEY_RELEASE: /* KP 5 */
611 case 0x5d | SKBD_KEY_RELEASE: /* KP 6 */
612 case 0x70 | SKBD_KEY_RELEASE: /* KP 1 */
613 case 0x71 | SKBD_KEY_RELEASE: /* KP 2 */
614 case 0x72 | SKBD_KEY_RELEASE: /* KP 3 */
615 case 0x5e | SKBD_KEY_RELEASE: /* KP 0 */
618 if (sc->sc_composed_char > 0) {
619 sc->sc_flags &= ~KPCOMPOSE;
620 sc->sc_composed_char = 0;
626 key = genkbd_keyaction(kbd, key, release,
627 &sc->sc_state, &sc->sc_accents);
628 if (key != NOKEY || repeated)
636 sunkbd_check_char(keyboard_t *kbd)
638 struct sunkbd_softc *sc;
640 if (!KBD_IS_ACTIVE(kbd))
643 sc = (struct sunkbd_softc *)kbd;
644 if (!(sc->sc_flags & KPCOMPOSE) && (sc->sc_composed_char > 0))
647 return (sunkbd_check(kbd));
651 sunkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data)
653 struct sunkbd_softc *sc;
655 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
659 sc = (struct sunkbd_softc *)kbd;
663 *(int *)data = sc->sc_mode;
665 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
667 ival = IOCPARM_IVAL(data);
668 data = (caddr_t)&ival;
672 switch (*(int *)data) {
674 if (sc->sc_mode != K_XLATE) {
675 /* make lock key state and LED state match */
676 sc->sc_state &= ~LOCK_MASK;
677 sc->sc_state |= KBD_LED_VAL(kbd);
682 if (sc->sc_mode != *(int *)data) {
683 sunkbd_clear_state(kbd);
684 sc->sc_mode = *(int *)data;
693 *(int *)data = KBD_LED_VAL(kbd);
695 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
697 ival = IOCPARM_IVAL(data);
698 data = (caddr_t)&ival;
702 if (*(int *)data & ~LOCK_MASK) {
706 if (sc->sc_sysdev == NULL)
709 if (*(int *)data & CLKED)
710 c |= SKBD_LED_CAPSLOCK;
711 if (*(int *)data & NLKED)
712 c |= SKBD_LED_NUMLOCK;
713 if (*(int *)data & SLKED)
714 c |= SKBD_LED_SCROLLLOCK;
715 uart_lock(sc->sc_sysdev->hwmtx);
716 sc->sc_sysdev->ops->putc(&sc->sc_sysdev->bas, SKBD_CMD_SETLED);
717 sc->sc_sysdev->ops->putc(&sc->sc_sysdev->bas, c);
718 uart_unlock(sc->sc_sysdev->hwmtx);
719 KBD_LED_VAL(kbd) = *(int *)data;
722 *(int *)data = sc->sc_state & LOCK_MASK;
724 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
726 ival = IOCPARM_IVAL(data);
727 data = (caddr_t)&ival;
731 if (*(int *)data & ~LOCK_MASK) {
735 sc->sc_state &= ~LOCK_MASK;
736 sc->sc_state |= *(int *)data;
737 /* set LEDs and quit */
738 return (sunkbd_ioctl(kbd, KDSETLED, data));
747 return (genkbd_commonioctl(kbd, cmd, data));
753 sunkbd_lock(keyboard_t *kbd, int lock)
761 sunkbd_clear_state(keyboard_t *kbd)
763 struct sunkbd_softc *sc;
765 sc = (struct sunkbd_softc *)kbd;
766 sc->sc_repeat_key = -1;
768 sc->sc_composed_char = 0;
771 sc->sc_repeating = 0;
772 sc->sc_state &= LOCK_MASK; /* Preserve locking key state. */
774 #if defined(SUNKBD_EMULATE_ATKBD)
775 sc->sc_buffered_char[0] = 0;
776 sc->sc_buffered_char[1] = 0;
781 sunkbd_get_state(keyboard_t *kbd, void *buf, size_t len)
789 sunkbd_set_state(keyboard_t *kbd, void *buf, size_t len)
797 sunkbd_poll_mode(keyboard_t *kbd, int on)
799 struct sunkbd_softc *sc;
801 sc = (struct sunkbd_softc *)kbd;
810 sunkbd_diag(keyboard_t *kbd, int level)
817 sunkbd_repeat(void *v)
819 struct sunkbd_softc *sc = v;
821 if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
822 if (sc->sc_repeat_key != -1) {
823 sc->sc_repeating = 1;
824 sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
825 KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
830 #if defined(SUNKBD_EMULATE_ATKBD)
832 keycode2scancode(int keycode, int shift, int up)
834 static const int scan[] = {
835 /* KP enter, right ctrl, KP divide */
838 0x37 | SCAN_PREFIX_SHIFT,
839 /* right alt, home, up, page up, left, right, end */
840 0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
841 /* down, page down, insert, delete */
842 0x50, 0x51, 0x52, 0x53,
843 /* pause/break (see also below) */
846 * MS: left window, right window, menu
847 * also Sun: left meta, right meta, compose
851 /* help, stop, again, props, undo, front, copy */
852 0x68, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63,
853 /* open, paste, find, cut, audiomute, audiolower, audioraise */
854 0x64, 0x65, 0x66, 0x67, 0x25, 0x1f, 0x1e,
861 if ((keycode >= 89) && (keycode < 89 + nitems(scan)))
862 scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
864 if ((keycode == 104) && !(shift & CTLS))
865 scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
867 scancode &= ~SCAN_PREFIX_SHIFT;
868 return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));