2 * Copyright (c) 2003 Jake Burkholder.
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.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include "opt_compat.h"
32 #include "opt_sunkbd.h"
34 #if (defined(SUNKBD_EMULATE_ATKBD) && defined(SUNKBD_DFLT_KEYMAP)) || \
35 !defined(SUNKBD_EMULATE_ATKBD)
36 #define KBD_DFLT_KEYMAP
39 #include <sys/param.h>
40 #include <sys/systm.h>
42 #include <sys/interrupt.h>
44 #include <sys/kernel.h>
45 #include <sys/limits.h>
47 #include <machine/bus.h>
49 #include <dev/kbd/kbdreg.h>
50 #include <dev/kbd/kbdtables.h>
52 #include <dev/uart/uart.h>
53 #include <dev/uart/uart_bus.h>
54 #include <dev/uart/uart_cpu.h>
56 #include <dev/uart/uart_kbd_sun.h>
57 #if !defined(SUNKBD_EMULATE_ATKBD)
58 #include <dev/uart/uart_kbd_sun_tables.h>
61 #if defined(SUNKBD_EMULATE_ATKBD) && defined(SUNKBD_DFLT_KEYMAP)
62 #include "sunkbdmap.h"
66 #define SUNKBD_DRIVER_NAME "sunkbd"
68 #define TODO printf("%s: unimplemented", __func__)
72 struct uart_softc *sc_uart;
73 struct uart_devinfo *sc_sysdev;
75 struct callout sc_repeat_callout;
81 #define KPCOMPOSE (1 << 0)
87 #if defined(SUNKBD_EMULATE_ATKBD)
88 int sc_buffered_char[2];
92 static int sunkbd_configure(int flags);
93 static int sunkbd_probe_keyboard(struct uart_devinfo *di);
95 static int sunkbd_probe(int unit, void *arg, int flags);
96 static int sunkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags);
97 static int sunkbd_term(keyboard_t *kbd);
98 static int sunkbd_intr(keyboard_t *kbd, void *arg);
99 static int sunkbd_test_if(keyboard_t *kbd);
100 static int sunkbd_enable(keyboard_t *kbd);
101 static int sunkbd_disable(keyboard_t *kbd);
102 static int sunkbd_read(keyboard_t *kbd, int wait);
103 static int sunkbd_check(keyboard_t *kbd);
104 static u_int sunkbd_read_char(keyboard_t *kbd, int wait);
105 static int sunkbd_check_char(keyboard_t *kbd);
106 static int sunkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data);
107 static int sunkbd_lock(keyboard_t *kbd, int lock);
108 static void sunkbd_clear_state(keyboard_t *kbd);
109 static int sunkbd_get_state(keyboard_t *kbd, void *buf, size_t len);
110 static int sunkbd_set_state(keyboard_t *kbd, void *buf, size_t len);
111 static int sunkbd_poll_mode(keyboard_t *kbd, int on);
112 static void sunkbd_diag(keyboard_t *kbd, int level);
114 static void sunkbd_repeat(void *v);
115 #if defined(SUNKBD_EMULATE_ATKBD)
116 static int keycode2scancode(int keycode, int shift, int up);
119 static keyboard_switch_t sunkbdsw = {
141 KEYBOARD_DRIVER(sunkbd, sunkbdsw, sunkbd_configure);
143 static struct sunkbd_softc sunkbd_softc;
144 static struct uart_devinfo uart_keyboard;
146 #if defined(SUNKBD_EMULATE_ATKBD)
148 #define SCAN_PRESS 0x000
149 #define SCAN_RELEASE 0x080
150 #define SCAN_PREFIX_E0 0x100
151 #define SCAN_PREFIX_E1 0x200
152 #define SCAN_PREFIX_CTL 0x400
153 #define SCAN_PREFIX_SHIFT 0x800
154 #define SCAN_PREFIX (SCAN_PREFIX_E0 | SCAN_PREFIX_E1 | \
155 SCAN_PREFIX_CTL | SCAN_PREFIX_SHIFT)
157 #define NOTR 0x0 /* no translation */
159 static const uint8_t sunkbd_trtab[] = {
160 NOTR, 0x6d, 0x78, 0x6e, 0x79, 0x3b, 0x3c, 0x44, /* 0x00 - 0x07 */
161 0x3d, 0x57, 0x3e, 0x58, 0x3f, 0x5d, 0x40, NOTR, /* 0x08 - 0x0f */
162 0x41, 0x42, 0x43, 0x38, 0x5f, 0x68, 0x5c, 0x46, /* 0x10 - 0x17 */
163 0x61, 0x6f, 0x70, 0x64, 0x62, 0x01, 0x02, 0x03, /* 0x18 - 0x1f */
164 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 0x20 - 0x27 */
165 0x0c, 0x0d, 0x29, 0x0e, 0x66, 0x77, 0x5b, 0x37, /* 0x28 - 0x2f */
166 0x7a, 0x71, 0x53, 0x74, 0x5e, 0x0f, 0x10, 0x11, /* 0x30 - 0x37 */
167 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, /* 0x38 - 0x3f */
168 0x1a, 0x1b, 0x67, 0x6b, 0x47, 0x48, 0x49, 0x4a, /* 0x40 - 0x47 */
169 0x73, 0x72, 0x63, NOTR, 0x1d, 0x1e, 0x1f, 0x20, /* 0x48 - 0x4f */
170 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, /* 0x50 - 0x57 */
171 0x2b, 0x1c, 0x59, 0x4b, 0x4c, 0x4d, 0x52, 0x75, /* 0x58 - 0x5f */
172 0x60, 0x76, 0x45, 0x2a, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x60 - 0x67 */
173 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, NOTR, /* 0x68 - 0x6f */
174 0x4f, 0x50, 0x51, NOTR, NOTR, NOTR, 0x6c, 0x3a, /* 0x70 - 0x77 */
175 0x69, 0x39, 0x6a, 0x65, 0x56, 0x4e, NOTR, NOTR /* 0x78 - 0x7f */
181 sunkbd_probe_keyboard(struct uart_devinfo *di)
183 int c, id, ltries, tries;
185 for (tries = 5; tries != 0; tries--) {
186 uart_putc(di, SKBD_CMD_RESET);
187 for (ltries = 1000; ltries != 0; ltries--) {
188 if (uart_poll(di) == SKBD_RSP_RESET)
195 for (ltries = 1000; ltries != 0; ltries--) {
196 switch (c = uart_poll(di)) {
210 static int sunkbd_attach(struct uart_softc *sc);
211 static void sunkbd_uart_intr(void *arg);
214 sunkbd_configure(int flags)
216 struct sunkbd_softc *sc;
219 * We are only prepared to be used for the high-level console
220 * when the keyboard is both configured and attached.
222 if (!(flags & KB_CONF_PROBE_ONLY)) {
223 if (KBD_IS_INITIALIZED(&sunkbd_softc.sc_kbd))
229 if (uart_cpu_getdev(UART_DEV_KEYBOARD, &uart_keyboard))
231 if (uart_probe(&uart_keyboard))
233 uart_init(&uart_keyboard);
235 uart_keyboard.type = UART_DEV_KEYBOARD;
236 uart_keyboard.attach = sunkbd_attach;
237 uart_add_sysdev(&uart_keyboard);
239 if (sunkbd_probe_keyboard(&uart_keyboard) != KB_SUN4)
243 callout_init(&sc->sc_repeat_callout, 0);
244 sunkbd_clear_state(&sc->sc_kbd);
246 #if defined(SUNKBD_EMULATE_ATKBD)
247 kbd_init_struct(&sc->sc_kbd, SUNKBD_DRIVER_NAME, KB_101, 0, 0, 0, 0);
248 kbd_set_maps(&sc->sc_kbd, &key_map, &accent_map, fkey_tab,
249 sizeof(fkey_tab) / sizeof(fkey_tab[0]));
251 kbd_init_struct(&sc->sc_kbd, SUNKBD_DRIVER_NAME, KB_OTHER, 0, 0, 0, 0);
252 kbd_set_maps(&sc->sc_kbd, &keymap_sun_us_unix_kbd,
253 &accentmap_sun_us_unix_kbd, fkey_tab,
254 sizeof(fkey_tab) / sizeof(fkey_tab[0]));
256 sc->sc_mode = K_XLATE;
257 kbd_register(&sc->sc_kbd);
259 sc->sc_sysdev = &uart_keyboard;
262 /* Return number of found keyboards. */
267 sunkbd_attach(struct uart_softc *sc)
271 * Don't attach if we didn't probe the keyboard. Note that
272 * the UART is still marked as a system device in that case.
274 if (sunkbd_softc.sc_sysdev == NULL) {
275 device_printf(sc->sc_dev, "keyboard not present\n");
279 if (sc->sc_sysdev != NULL) {
280 sunkbd_softc.sc_uart = sc;
282 #ifdef KBD_INSTALL_CDEV
283 kbd_attach(&sunkbd_softc.sc_kbd);
285 sunkbd_enable(&sunkbd_softc.sc_kbd);
287 swi_add(&tty_intr_event, uart_driver_name, sunkbd_uart_intr,
288 &sunkbd_softc, SWI_TTY, INTR_TYPE_TTY, &sc->sc_softih);
291 KBD_INIT_DONE(&sunkbd_softc.sc_kbd);
298 sunkbd_uart_intr(void *arg)
300 struct sunkbd_softc *sc = arg;
303 if (sc->sc_uart->sc_leaving)
306 pend = atomic_readandclear_32(&sc->sc_uart->sc_ttypend);
307 if (!(pend & SER_INT_MASK))
310 if (pend & SER_INT_RXREADY) {
311 if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
312 sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
313 KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
319 sunkbd_probe(int unit, void *arg, int flags)
327 sunkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
335 sunkbd_term(keyboard_t *kbd)
343 sunkbd_intr(keyboard_t *kbd, void *arg)
351 sunkbd_test_if(keyboard_t *kbd)
359 sunkbd_enable(keyboard_t *kbd)
367 sunkbd_disable(keyboard_t *kbd)
375 sunkbd_read(keyboard_t *kbd, int wait)
383 sunkbd_check(keyboard_t *kbd)
385 struct sunkbd_softc *sc;
387 if (!KBD_IS_ACTIVE(kbd))
390 sc = (struct sunkbd_softc *)kbd;
392 #if defined(SUNKBD_EMULATE_ATKBD)
393 if (sc->sc_buffered_char[0])
397 if (sc->sc_repeating)
400 if (sc->sc_uart != NULL && !uart_rx_empty(sc->sc_uart))
403 if (sc->sc_polling != 0 && sc->sc_sysdev != NULL &&
404 uart_rxready(sc->sc_sysdev))
411 sunkbd_read_char(keyboard_t *kbd, int wait)
413 struct sunkbd_softc *sc;
414 int key, release, repeated, suncode;
416 sc = (struct sunkbd_softc *)kbd;
418 #if defined(SUNKBD_EMULATE_ATKBD)
419 if (sc->sc_mode == K_RAW && sc->sc_buffered_char[0]) {
420 key = sc->sc_buffered_char[0];
421 if (key & SCAN_PREFIX) {
422 sc->sc_buffered_char[0] = key & ~SCAN_PREFIX;
423 return ((key & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
425 sc->sc_buffered_char[0] = sc->sc_buffered_char[1];
426 sc->sc_buffered_char[1] = 0;
433 if (sc->sc_repeating) {
435 sc->sc_repeating = 0;
436 callout_reset(&sc->sc_repeat_callout, hz / 10,
438 suncode = sc->sc_repeat_key;
444 if (!(sc->sc_flags & KPCOMPOSE) && (sc->sc_composed_char > 0)) {
445 key = sc->sc_composed_char;
446 sc->sc_composed_char = 0;
452 if (sc->sc_uart != NULL && !uart_rx_empty(sc->sc_uart)) {
453 suncode = uart_rx_get(sc->sc_uart);
454 } else if (sc->sc_polling != 0 && sc->sc_sysdev != NULL) {
456 suncode = uart_getc(sc->sc_sysdev);
457 else if ((suncode = uart_poll(sc->sc_sysdev)) == -1)
469 key = SKBD_KEY_CHAR(suncode);
470 release = suncode & SKBD_KEY_RELEASE;
473 callout_reset(&sc->sc_repeat_callout,
474 hz / 2, sunkbd_repeat, sc);
475 sc->sc_repeat_key = suncode;
476 } else if (sc->sc_repeat_key == key) {
477 callout_stop(&sc->sc_repeat_callout);
478 sc->sc_repeat_key = -1;
482 #if defined(SUNKBD_EMULATE_ATKBD)
483 key = sunkbd_trtab[key];
489 case 0x1d: /* ctrl */
491 sc->sc_flags &= ~CTLS;
493 sc->sc_flags |= CTLS;
495 case 0x2a: /* left shift */
496 case 0x36: /* right shift */
498 sc->sc_flags &= ~SHIFTS;
500 sc->sc_flags |= SHIFTS;
503 case 0x5d: /* altgr */
505 sc->sc_flags &= ~ALTS;
507 sc->sc_flags |= ALTS;
511 if (sc->sc_mode == K_RAW) {
512 key = keycode2scancode(key, sc->sc_flags,
514 if (key & SCAN_PREFIX) {
515 if (key & SCAN_PREFIX_CTL) {
516 sc->sc_buffered_char[0] =
517 0x1d | (key & SCAN_RELEASE);
518 sc->sc_buffered_char[1] =
520 } else if (key & SCAN_PREFIX_SHIFT) {
521 sc->sc_buffered_char[0] =
522 0x2a | (key & SCAN_RELEASE);
523 sc->sc_buffered_char[1] =
524 key & ~SCAN_PREFIX_SHIFT;
526 sc->sc_buffered_char[0] =
528 sc->sc_buffered_char[1] = 0;
530 return ((key & SCAN_PREFIX_E0) ?
536 case 0x5c: /* print screen */
537 if (sc->sc_flags & ALTS)
538 key = 0x54; /* sysrq */
540 case 0x68: /* pause/break */
541 if (sc->sc_flags & CTLS)
542 key = 0x6c; /* break */
546 if (sc->sc_mode == K_CODE)
547 return (key | release);
549 if (sc->sc_mode == K_RAW || sc->sc_mode == K_CODE)
553 #if defined(SUNKBD_EMULATE_ATKBD)
554 if (key == 0x38) { /* left alt (KP compose key) */
556 if (key == 0x13) { /* left alt (KP compose key) */
559 if (sc->sc_flags & KPCOMPOSE) {
560 sc->sc_flags &= ~KPCOMPOSE;
561 if (sc->sc_composed_char >
563 sc->sc_composed_char =
567 if (!(sc->sc_flags & KPCOMPOSE)) {
568 sc->sc_flags |= KPCOMPOSE;
569 sc->sc_composed_char = 0;
573 if (sc->sc_flags & KPCOMPOSE) {
575 case 0x44: /* KP 7 */
576 case 0x45: /* KP 8 */
577 case 0x46: /* KP 9 */
578 sc->sc_composed_char *= 10;
579 sc->sc_composed_char += suncode - 0x3d;
580 if (sc->sc_composed_char > UCHAR_MAX)
583 case 0x5b: /* KP 4 */
584 case 0x5c: /* KP 5 */
585 case 0x5d: /* KP 6 */
586 sc->sc_composed_char *= 10;
587 sc->sc_composed_char += suncode - 0x58;
588 if (sc->sc_composed_char > UCHAR_MAX)
591 case 0x70: /* KP 1 */
592 case 0x71: /* KP 2 */
593 case 0x72: /* KP 3 */
594 sc->sc_composed_char *= 10;
595 sc->sc_composed_char += suncode - 0x6f;
596 if (sc->sc_composed_char > UCHAR_MAX)
599 case 0x5e: /* KP 0 */
600 sc->sc_composed_char *= 10;
601 if (sc->sc_composed_char > UCHAR_MAX)
605 case 0x44 | SKBD_KEY_RELEASE: /* KP 7 */
606 case 0x45 | SKBD_KEY_RELEASE: /* KP 8 */
607 case 0x46 | SKBD_KEY_RELEASE: /* KP 9 */
608 case 0x5b | SKBD_KEY_RELEASE: /* KP 4 */
609 case 0x5c | SKBD_KEY_RELEASE: /* KP 5 */
610 case 0x5d | SKBD_KEY_RELEASE: /* KP 6 */
611 case 0x70 | SKBD_KEY_RELEASE: /* KP 1 */
612 case 0x71 | SKBD_KEY_RELEASE: /* KP 2 */
613 case 0x72 | SKBD_KEY_RELEASE: /* KP 3 */
614 case 0x5e | SKBD_KEY_RELEASE: /* KP 0 */
617 if (sc->sc_composed_char > 0) {
618 sc->sc_flags &= ~KPCOMPOSE;
619 sc->sc_composed_char = 0;
625 key = genkbd_keyaction(kbd, key, release,
626 &sc->sc_state, &sc->sc_accents);
627 if (key != NOKEY || repeated)
635 sunkbd_check_char(keyboard_t *kbd)
637 struct sunkbd_softc *sc;
639 if (!KBD_IS_ACTIVE(kbd))
642 sc = (struct sunkbd_softc *)kbd;
643 if (!(sc->sc_flags & KPCOMPOSE) && (sc->sc_composed_char > 0))
646 return (sunkbd_check(kbd));
650 sunkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data)
652 struct sunkbd_softc *sc;
654 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
658 sc = (struct sunkbd_softc *)kbd;
662 *(int *)data = sc->sc_mode;
664 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
666 ival = IOCPARM_IVAL(data);
667 data = (caddr_t)&ival;
671 switch (*(int *)data) {
673 if (sc->sc_mode != K_XLATE) {
674 /* make lock key state and LED state match */
675 sc->sc_state &= ~LOCK_MASK;
676 sc->sc_state |= KBD_LED_VAL(kbd);
681 if (sc->sc_mode != *(int *)data) {
682 sunkbd_clear_state(kbd);
683 sc->sc_mode = *(int *)data;
692 *(int *)data = KBD_LED_VAL(kbd);
694 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
696 ival = IOCPARM_IVAL(data);
697 data = (caddr_t)&ival;
701 if (*(int *)data & ~LOCK_MASK) {
705 if (sc->sc_sysdev == NULL)
708 if (*(int *)data & CLKED)
709 c |= SKBD_LED_CAPSLOCK;
710 if (*(int *)data & NLKED)
711 c |= SKBD_LED_NUMLOCK;
712 if (*(int *)data & SLKED)
713 c |= SKBD_LED_SCROLLLOCK;
714 uart_lock(sc->sc_sysdev->hwmtx);
715 sc->sc_sysdev->ops->putc(&sc->sc_sysdev->bas, SKBD_CMD_SETLED);
716 sc->sc_sysdev->ops->putc(&sc->sc_sysdev->bas, c);
717 uart_unlock(sc->sc_sysdev->hwmtx);
718 KBD_LED_VAL(kbd) = *(int *)data;
721 *(int *)data = sc->sc_state & LOCK_MASK;
723 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
725 ival = IOCPARM_IVAL(data);
726 data = (caddr_t)&ival;
730 if (*(int *)data & ~LOCK_MASK) {
734 sc->sc_state &= ~LOCK_MASK;
735 sc->sc_state |= *(int *)data;
736 /* set LEDs and quit */
737 return (sunkbd_ioctl(kbd, KDSETLED, data));
745 return (genkbd_commonioctl(kbd, cmd, data));
751 sunkbd_lock(keyboard_t *kbd, int lock)
759 sunkbd_clear_state(keyboard_t *kbd)
761 struct sunkbd_softc *sc;
763 sc = (struct sunkbd_softc *)kbd;
764 sc->sc_repeat_key = -1;
766 sc->sc_composed_char = 0;
769 sc->sc_repeating = 0;
770 sc->sc_state &= LOCK_MASK; /* Preserve locking key state. */
772 #if defined(SUNKBD_EMULATE_ATKBD)
773 sc->sc_buffered_char[0] = 0;
774 sc->sc_buffered_char[1] = 0;
779 sunkbd_get_state(keyboard_t *kbd, void *buf, size_t len)
787 sunkbd_set_state(keyboard_t *kbd, void *buf, size_t len)
795 sunkbd_poll_mode(keyboard_t *kbd, int on)
797 struct sunkbd_softc *sc;
799 sc = (struct sunkbd_softc *)kbd;
808 sunkbd_diag(keyboard_t *kbd, int level)
815 sunkbd_repeat(void *v)
817 struct sunkbd_softc *sc = v;
819 if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
820 if (sc->sc_repeat_key != -1) {
821 sc->sc_repeating = 1;
822 sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
823 KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
828 #if defined(SUNKBD_EMULATE_ATKBD)
830 keycode2scancode(int keycode, int shift, int up)
832 static const int scan[] = {
833 /* KP enter, right ctrl, KP divide */
836 0x37 | SCAN_PREFIX_SHIFT,
837 /* right alt, home, up, page up, left, right, end */
838 0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
839 /* down, page down, insert, delete */
840 0x50, 0x51, 0x52, 0x53,
841 /* pause/break (see also below) */
844 * MS: left window, right window, menu
845 * also Sun: left meta, right meta, compose
849 /* help, stop, again, props, undo, front, copy */
850 0x68, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63,
851 /* open, paste, find, cut, audiomute, audiolower, audioraise */
852 0x64, 0x65, 0x66, 0x67, 0x25, 0x1f, 0x1e,
859 if ((keycode >= 89) && (keycode < 89 + sizeof(scan) / sizeof(scan[0])))
860 scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
862 if ((keycode == 104) && !(shift & CTLS))
863 scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
865 scancode &= ~SCAN_PREFIX_SHIFT;
866 return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));