xref: /freebsd-12.1/sys/dev/uart/uart_kbd_sun.c (revision 052d3c12)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2003 Jake Burkholder.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
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.
15  *
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
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include "opt_compat.h"
33 #include "opt_kbd.h"
34 #include "opt_sunkbd.h"
35 
36 #if (defined(SUNKBD_EMULATE_ATKBD) && defined(SUNKBD_DFLT_KEYMAP)) ||	\
37     !defined(SUNKBD_EMULATE_ATKBD)
38 #define	KBD_DFLT_KEYMAP
39 #endif
40 
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/bus.h>
44 #include <sys/interrupt.h>
45 #include <sys/kbio.h>
46 #include <sys/kernel.h>
47 #include <sys/limits.h>
48 
49 #include <machine/bus.h>
50 
51 #include <dev/kbd/kbdreg.h>
52 #include <dev/kbd/kbdtables.h>
53 
54 #include <dev/uart/uart.h>
55 #include <dev/uart/uart_bus.h>
56 #include <dev/uart/uart_cpu.h>
57 
58 #include <dev/uart/uart_kbd_sun.h>
59 #if !defined(SUNKBD_EMULATE_ATKBD)
60 #include <dev/uart/uart_kbd_sun_tables.h>
61 #endif
62 
63 #if defined(SUNKBD_EMULATE_ATKBD) && defined(SUNKBD_DFLT_KEYMAP)
64 #include "sunkbdmap.h"
65 #endif
66 #include "uart_if.h"
67 
68 #define	SUNKBD_DRIVER_NAME	"sunkbd"
69 
70 #define	TODO	printf("%s: unimplemented", __func__)
71 
72 struct sunkbd_softc {
73 	keyboard_t		sc_kbd;
74 	struct uart_softc	*sc_uart;
75 	struct uart_devinfo	*sc_sysdev;
76 
77 	struct callout		sc_repeat_callout;
78 	int			sc_repeat_key;
79 
80 	int			sc_accents;
81 	int			sc_composed_char;
82 	int			sc_flags;
83 #define	KPCOMPOSE			(1 << 0)
84 	int			sc_mode;
85 	int			sc_polling;
86 	int			sc_repeating;
87 	int			sc_state;
88 
89 #if defined(SUNKBD_EMULATE_ATKBD)
90 	int			sc_buffered_char[2];
91 #endif
92 };
93 
94 static int sunkbd_configure(int flags);
95 static int sunkbd_probe_keyboard(struct uart_devinfo *di);
96 
97 static int sunkbd_probe(int unit, void *arg, int flags);
98 static int sunkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags);
99 static int sunkbd_term(keyboard_t *kbd);
100 static int sunkbd_intr(keyboard_t *kbd, void *arg);
101 static int sunkbd_test_if(keyboard_t *kbd);
102 static int sunkbd_enable(keyboard_t *kbd);
103 static int sunkbd_disable(keyboard_t *kbd);
104 static int sunkbd_read(keyboard_t *kbd, int wait);
105 static int sunkbd_check(keyboard_t *kbd);
106 static u_int sunkbd_read_char(keyboard_t *kbd, int wait);
107 static int sunkbd_check_char(keyboard_t *kbd);
108 static int sunkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data);
109 static int sunkbd_lock(keyboard_t *kbd, int lock);
110 static void sunkbd_clear_state(keyboard_t *kbd);
111 static int sunkbd_get_state(keyboard_t *kbd, void *buf, size_t len);
112 static int sunkbd_set_state(keyboard_t *kbd, void *buf, size_t len);
113 static int sunkbd_poll_mode(keyboard_t *kbd, int on);
114 static void sunkbd_diag(keyboard_t *kbd, int level);
115 
116 static void sunkbd_repeat(void *v);
117 #if defined(SUNKBD_EMULATE_ATKBD)
118 static int keycode2scancode(int keycode, int shift, int up);
119 #endif
120 
121 static keyboard_switch_t sunkbdsw = {
122 	sunkbd_probe,
123 	sunkbd_init,
124 	sunkbd_term,
125 	sunkbd_intr,
126 	sunkbd_test_if,
127 	sunkbd_enable,
128 	sunkbd_disable,
129 	sunkbd_read,
130 	sunkbd_check,
131 	sunkbd_read_char,
132 	sunkbd_check_char,
133 	sunkbd_ioctl,
134 	sunkbd_lock,
135 	sunkbd_clear_state,
136 	sunkbd_get_state,
137 	sunkbd_set_state,
138 	genkbd_get_fkeystr,
139 	sunkbd_poll_mode,
140 	sunkbd_diag
141 };
142 
143 KEYBOARD_DRIVER(sunkbd, sunkbdsw, sunkbd_configure);
144 
145 static struct sunkbd_softc sunkbd_softc;
146 static struct uart_devinfo uart_keyboard;
147 
148 #if defined(SUNKBD_EMULATE_ATKBD)
149 
150 #define	SCAN_PRESS		0x000
151 #define	SCAN_RELEASE		0x080
152 #define	SCAN_PREFIX_E0		0x100
153 #define	SCAN_PREFIX_E1		0x200
154 #define	SCAN_PREFIX_CTL		0x400
155 #define	SCAN_PREFIX_SHIFT	0x800
156 #define	SCAN_PREFIX		(SCAN_PREFIX_E0 | SCAN_PREFIX_E1 |	\
157 				SCAN_PREFIX_CTL | SCAN_PREFIX_SHIFT)
158 
159 #define	NOTR	0x0	/* no translation */
160 
161 static const uint8_t sunkbd_trtab[] = {
162 	NOTR, 0x6d, 0x78, 0x6e, 0x79, 0x3b, 0x3c, 0x44, /* 0x00 - 0x07 */
163 	0x3d, 0x57, 0x3e, 0x58, 0x3f, 0x5d, 0x40, NOTR, /* 0x08 - 0x0f */
164 	0x41, 0x42, 0x43, 0x38, 0x5f, 0x68, 0x5c, 0x46, /* 0x10 - 0x17 */
165 	0x61, 0x6f, 0x70, 0x64, 0x62, 0x01, 0x02, 0x03, /* 0x18 - 0x1f */
166 	0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 0x20 - 0x27 */
167 	0x0c, 0x0d, 0x29, 0x0e, 0x66, 0x77, 0x5b, 0x37, /* 0x28 - 0x2f */
168 	0x7a, 0x71, 0x53, 0x74, 0x5e, 0x0f, 0x10, 0x11, /* 0x30 - 0x37 */
169 	0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, /* 0x38 - 0x3f */
170 	0x1a, 0x1b, 0x67, 0x6b, 0x47, 0x48, 0x49, 0x4a, /* 0x40 - 0x47 */
171 	0x73, 0x72, 0x63, NOTR, 0x1d, 0x1e, 0x1f, 0x20, /* 0x48 - 0x4f */
172 	0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, /* 0x50 - 0x57 */
173 	0x2b, 0x1c, 0x59, 0x4b, 0x4c, 0x4d, 0x52, 0x75, /* 0x58 - 0x5f */
174 	0x60, 0x76, 0x45, 0x2a, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x60 - 0x67 */
175 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, NOTR, /* 0x68 - 0x6f */
176 	0x4f, 0x50, 0x51, NOTR, NOTR, NOTR, 0x6c, 0x3a, /* 0x70 - 0x77 */
177 	0x69, 0x39, 0x6a, 0x65, 0x56, 0x4e, NOTR, NOTR  /* 0x78 - 0x7f */
178 };
179 
180 #endif
181 
182 static int
183 sunkbd_probe_keyboard(struct uart_devinfo *di)
184 {
185 	int c, id, ltries, tries;
186 
187 	for (tries = 5; tries != 0; tries--) {
188 		uart_putc(di, SKBD_CMD_RESET);
189 		for (ltries = 1000; ltries != 0; ltries--) {
190 			if (uart_poll(di) == SKBD_RSP_RESET)
191 				break;
192 			DELAY(1000);
193 		}
194 		if (ltries == 0)
195 			continue;
196 		id = -1;
197 		for (ltries = 1000; ltries != 0; ltries--) {
198 			switch (c = uart_poll(di)) {
199 			case -1:
200 				break;
201 			case SKBD_RSP_IDLE:
202 				return (id);
203 			default:
204 				id = c;
205 			}
206 			DELAY(1000);
207 		}
208 	}
209 	return (-1);
210 }
211 
212 static int sunkbd_attach(struct uart_softc *sc);
213 static void sunkbd_uart_intr(void *arg);
214 
215 static int
216 sunkbd_configure(int flags)
217 {
218 	struct sunkbd_softc *sc;
219 
220 	/*
221 	 * We are only prepared to be used for the high-level console
222 	 * when the keyboard is both configured and attached.
223 	 */
224 	if (!(flags & KB_CONF_PROBE_ONLY)) {
225 		if (KBD_IS_INITIALIZED(&sunkbd_softc.sc_kbd))
226 			goto found;
227 		else
228 			return (0);
229 	}
230 
231 	if (uart_cpu_getdev(UART_DEV_KEYBOARD, &uart_keyboard))
232 		return (0);
233 	if (uart_probe(&uart_keyboard))
234 		return (0);
235 	uart_init(&uart_keyboard);
236 
237 	uart_keyboard.type = UART_DEV_KEYBOARD;
238 	uart_keyboard.attach = sunkbd_attach;
239 	uart_add_sysdev(&uart_keyboard);
240 
241 	if (sunkbd_probe_keyboard(&uart_keyboard) != KB_SUN4)
242 		return (0);
243 
244 	sc = &sunkbd_softc;
245 	callout_init(&sc->sc_repeat_callout, 0);
246 	sunkbd_clear_state(&sc->sc_kbd);
247 
248 #if defined(SUNKBD_EMULATE_ATKBD)
249 	kbd_init_struct(&sc->sc_kbd, SUNKBD_DRIVER_NAME, KB_101, 0, 0, 0, 0);
250 	kbd_set_maps(&sc->sc_kbd, &key_map, &accent_map, fkey_tab,
251 	    sizeof(fkey_tab) / sizeof(fkey_tab[0]));
252 #else
253 	kbd_init_struct(&sc->sc_kbd, SUNKBD_DRIVER_NAME, KB_OTHER, 0, 0, 0, 0);
254 	kbd_set_maps(&sc->sc_kbd, &keymap_sun_us_unix_kbd,
255 	    &accentmap_sun_us_unix_kbd, fkey_tab,
256 	    sizeof(fkey_tab) / sizeof(fkey_tab[0]));
257 #endif
258 	sc->sc_mode = K_XLATE;
259 	kbd_register(&sc->sc_kbd);
260 
261 	sc->sc_sysdev = &uart_keyboard;
262 
263  found:
264 	/* Return number of found keyboards. */
265 	return (1);
266 }
267 
268 static int
269 sunkbd_attach(struct uart_softc *sc)
270 {
271 
272 	/*
273 	 * Don't attach if we didn't probe the keyboard. Note that
274 	 * the UART is still marked as a system device in that case.
275 	 */
276 	if (sunkbd_softc.sc_sysdev == NULL) {
277 		device_printf(sc->sc_dev, "keyboard not present\n");
278 		return (0);
279 	}
280 
281 	if (sc->sc_sysdev != NULL) {
282 		sunkbd_softc.sc_uart = sc;
283 
284 #ifdef KBD_INSTALL_CDEV
285 		kbd_attach(&sunkbd_softc.sc_kbd);
286 #endif
287 		sunkbd_enable(&sunkbd_softc.sc_kbd);
288 
289 		swi_add(&tty_intr_event, uart_driver_name, sunkbd_uart_intr,
290 		    &sunkbd_softc, SWI_TTY, INTR_TYPE_TTY, &sc->sc_softih);
291 
292 		sc->sc_opened = 1;
293 		KBD_INIT_DONE(&sunkbd_softc.sc_kbd);
294 	}
295 
296 	return (0);
297 }
298 
299 static void
300 sunkbd_uart_intr(void *arg)
301 {
302 	struct sunkbd_softc *sc = arg;
303 	int pend;
304 
305 	if (sc->sc_uart->sc_leaving)
306 		return;
307 
308 	pend = atomic_readandclear_32(&sc->sc_uart->sc_ttypend);
309 	if (!(pend & SER_INT_MASK))
310 		return;
311 
312 	if (pend & SER_INT_RXREADY) {
313 		if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
314 			sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
315 			    KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
316 		}
317 	}
318 }
319 
320 static int
321 sunkbd_probe(int unit, void *arg, int flags)
322 {
323 
324 	TODO;
325 	return (0);
326 }
327 
328 static int
329 sunkbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
330 {
331 
332 	TODO;
333 	return (0);
334 }
335 
336 static int
337 sunkbd_term(keyboard_t *kbd)
338 {
339 
340 	TODO;
341 	return (0);
342 }
343 
344 static int
345 sunkbd_intr(keyboard_t *kbd, void *arg)
346 {
347 
348 	TODO;
349 	return (0);
350 }
351 
352 static int
353 sunkbd_test_if(keyboard_t *kbd)
354 {
355 
356 	TODO;
357 	return (0);
358 }
359 
360 static int
361 sunkbd_enable(keyboard_t *kbd)
362 {
363 
364 	KBD_ACTIVATE(kbd);
365 	return (0);
366 }
367 
368 static int
369 sunkbd_disable(keyboard_t *kbd)
370 {
371 
372 	KBD_DEACTIVATE(kbd);
373 	return (0);
374 }
375 
376 static int
377 sunkbd_read(keyboard_t *kbd, int wait)
378 {
379 
380 	TODO;
381 	return (0);
382 }
383 
384 static int
385 sunkbd_check(keyboard_t *kbd)
386 {
387 	struct sunkbd_softc *sc;
388 
389 	if (!KBD_IS_ACTIVE(kbd))
390 		return (FALSE);
391 
392 	sc = (struct sunkbd_softc *)kbd;
393 
394 #if defined(SUNKBD_EMULATE_ATKBD)
395 	if (sc->sc_buffered_char[0])
396 		return (TRUE);
397 #endif
398 
399 	if (sc->sc_repeating)
400 		return (TRUE);
401 
402 	if (sc->sc_uart != NULL && !uart_rx_empty(sc->sc_uart))
403 		return (TRUE);
404 
405 	if (sc->sc_polling != 0 && sc->sc_sysdev != NULL &&
406 	    uart_rxready(sc->sc_sysdev))
407 		return (TRUE);
408 
409 	return (FALSE);
410 }
411 
412 static u_int
413 sunkbd_read_char(keyboard_t *kbd, int wait)
414 {
415 	struct sunkbd_softc *sc;
416 	int key, release, repeated, suncode;
417 
418 	sc = (struct sunkbd_softc *)kbd;
419 
420 #if defined(SUNKBD_EMULATE_ATKBD)
421 	if (sc->sc_mode == K_RAW && sc->sc_buffered_char[0]) {
422 		key = sc->sc_buffered_char[0];
423 		if (key & SCAN_PREFIX) {
424 			sc->sc_buffered_char[0] = key & ~SCAN_PREFIX;
425 			return ((key & SCAN_PREFIX_E0) ? 0xe0 : 0xe1);
426 		} else {
427 			sc->sc_buffered_char[0] = sc->sc_buffered_char[1];
428 			sc->sc_buffered_char[1] = 0;
429 			return (key);
430 		}
431 	}
432 #endif
433 
434 	repeated = 0;
435 	if (sc->sc_repeating) {
436 		repeated = 1;
437 		sc->sc_repeating = 0;
438 		callout_reset(&sc->sc_repeat_callout, hz / 10,
439 		    sunkbd_repeat, sc);
440 		suncode = sc->sc_repeat_key;
441 		goto process_code;
442 	}
443 
444 	for (;;) {
445  next_code:
446 		if (!(sc->sc_flags & KPCOMPOSE) && (sc->sc_composed_char > 0)) {
447 			key = sc->sc_composed_char;
448 			sc->sc_composed_char = 0;
449 			if (key > UCHAR_MAX)
450 				return (ERRKEY);
451 			return (key);
452 		}
453 
454 		if (sc->sc_uart != NULL && !uart_rx_empty(sc->sc_uart)) {
455 			suncode = uart_rx_get(sc->sc_uart);
456 		} else if (sc->sc_polling != 0 && sc->sc_sysdev != NULL) {
457 			if (wait)
458 				suncode = uart_getc(sc->sc_sysdev);
459 			else if ((suncode = uart_poll(sc->sc_sysdev)) == -1)
460 				return (NOKEY);
461 		} else {
462 			return (NOKEY);
463 		}
464 
465 		switch (suncode) {
466 		case SKBD_RSP_IDLE:
467 			break;
468 		default:
469  process_code:
470 			++kbd->kb_count;
471 			key = SKBD_KEY_CHAR(suncode);
472 			release = suncode & SKBD_KEY_RELEASE;
473 			if (!repeated) {
474 				if (release == 0) {
475 					callout_reset(&sc->sc_repeat_callout,
476 					    hz / 2, sunkbd_repeat, sc);
477 					sc->sc_repeat_key = suncode;
478 				} else if (sc->sc_repeat_key == key) {
479 					callout_stop(&sc->sc_repeat_callout);
480 					sc->sc_repeat_key = -1;
481 				}
482 			}
483 
484 #if defined(SUNKBD_EMULATE_ATKBD)
485 			key = sunkbd_trtab[key];
486 			if (key == NOTR)
487 				return (NOKEY);
488 
489 			if (!repeated) {
490 				switch (key) {
491 				case 0x1d:	/* ctrl */
492 					if (release != 0)
493 						sc->sc_flags &= ~CTLS;
494 					else
495 						sc->sc_flags |= CTLS;
496 					break;
497 				case 0x2a:	/* left shift */
498 				case 0x36:	/* right shift */
499 					if (release != 0)
500 						sc->sc_flags &= ~SHIFTS;
501 					else
502 						sc->sc_flags |= SHIFTS;
503 					break;
504 				case 0x38:	/* alt */
505 				case 0x5d:	/* altgr */
506 					if (release != 0)
507 						sc->sc_flags &= ~ALTS;
508 					else
509 						sc->sc_flags |= ALTS;
510 					break;
511 				}
512 			}
513 			if (sc->sc_mode == K_RAW) {
514 				key = keycode2scancode(key, sc->sc_flags,
515 				    release);
516 				if (key & SCAN_PREFIX) {
517 					if (key & SCAN_PREFIX_CTL) {
518 						sc->sc_buffered_char[0] =
519 						    0x1d | (key & SCAN_RELEASE);
520 						sc->sc_buffered_char[1] =
521 						    key & ~SCAN_PREFIX;
522 					} else if (key & SCAN_PREFIX_SHIFT) {
523 						sc->sc_buffered_char[0] =
524 						    0x2a | (key & SCAN_RELEASE);
525 						sc->sc_buffered_char[1] =
526 						    key & ~SCAN_PREFIX_SHIFT;
527 					} else {
528 						sc->sc_buffered_char[0] =
529 						    key & ~SCAN_PREFIX;
530 						sc->sc_buffered_char[1] = 0;
531 					}
532 					return ((key & SCAN_PREFIX_E0) ?
533 					    0xe0 : 0xe1);
534 				}
535 				return (key);
536 			}
537 			switch (key) {
538 			case 0x5c:	/* print screen */
539 				if (sc->sc_flags & ALTS)
540 					key = 0x54;	/* sysrq */
541 				break;
542 			case 0x68:	/* pause/break */
543 				if (sc->sc_flags & CTLS)
544 					key = 0x6c;	/* break */
545 				break;
546 			}
547 
548 			if (sc->sc_mode == K_CODE)
549 				return (key | release);
550 #else
551 			if (sc->sc_mode == K_RAW || sc->sc_mode == K_CODE)
552 				return (suncode);
553 #endif
554 
555 #if defined(SUNKBD_EMULATE_ATKBD)
556 			if (key == 0x38) {	/* left alt (KP compose key) */
557 #else
558 			if (key == 0x13) {	/* left alt (KP compose key) */
559 #endif
560 				if (release != 0) {
561 					if (sc->sc_flags & KPCOMPOSE) {
562 						sc->sc_flags &= ~KPCOMPOSE;
563 						if (sc->sc_composed_char >
564 						    UCHAR_MAX)
565 							sc->sc_composed_char =
566 							    0;
567 					}
568 				} else {
569 					if (!(sc->sc_flags & KPCOMPOSE)) {
570 						sc->sc_flags |= KPCOMPOSE;
571 						sc->sc_composed_char = 0;
572 					}
573 				}
574 			}
575 			if (sc->sc_flags & KPCOMPOSE) {
576 				switch (suncode) {
577 				case 0x44:			/* KP 7 */
578 				case 0x45:			/* KP 8 */
579 				case 0x46:			/* KP 9 */
580 					sc->sc_composed_char *= 10;
581 					sc->sc_composed_char += suncode - 0x3d;
582 					if (sc->sc_composed_char > UCHAR_MAX)
583 						return (ERRKEY);
584 					goto next_code;
585 				case 0x5b:			/* KP 4 */
586 				case 0x5c:			/* KP 5 */
587 				case 0x5d:			/* KP 6 */
588 					sc->sc_composed_char *= 10;
589 					sc->sc_composed_char += suncode - 0x58;
590 					if (sc->sc_composed_char > UCHAR_MAX)
591 						return (ERRKEY);
592 					goto next_code;
593 				case 0x70:			/* KP 1 */
594 				case 0x71:			/* KP 2 */
595 				case 0x72:			/* KP 3 */
596 					sc->sc_composed_char *= 10;
597 					sc->sc_composed_char += suncode - 0x6f;
598 					if (sc->sc_composed_char > UCHAR_MAX)
599 						return (ERRKEY);
600 					goto next_code;
601 				case 0x5e:			/* KP 0 */
602 					sc->sc_composed_char *= 10;
603 					if (sc->sc_composed_char > UCHAR_MAX)
604 						return (ERRKEY);
605 					goto next_code;
606 
607 				case 0x44 | SKBD_KEY_RELEASE:	/* KP 7 */
608 				case 0x45 | SKBD_KEY_RELEASE:	/* KP 8 */
609 				case 0x46 | SKBD_KEY_RELEASE:	/* KP 9 */
610 				case 0x5b | SKBD_KEY_RELEASE:	/* KP 4 */
611 				case 0x5c | SKBD_KEY_RELEASE:	/* KP 5 */
612 				case 0x5d | SKBD_KEY_RELEASE:	/* KP 6 */
613 				case 0x70 | SKBD_KEY_RELEASE:	/* KP 1 */
614 				case 0x71 | SKBD_KEY_RELEASE:	/* KP 2 */
615 				case 0x72 | SKBD_KEY_RELEASE:	/* KP 3 */
616 				case 0x5e | SKBD_KEY_RELEASE:	/* KP 0 */
617 					goto next_code;
618 				default:
619 					if (sc->sc_composed_char > 0) {
620 						sc->sc_flags &= ~KPCOMPOSE;
621 						sc->sc_composed_char = 0;
622 						return (ERRKEY);
623 					}
624 				}
625 			}
626 
627 			key = genkbd_keyaction(kbd, key, release,
628 			    &sc->sc_state, &sc->sc_accents);
629 			if (key != NOKEY || repeated)
630 				return (key);
631 		}
632 	}
633 	return (0);
634 }
635 
636 static int
637 sunkbd_check_char(keyboard_t *kbd)
638 {
639 	struct sunkbd_softc *sc;
640 
641 	if (!KBD_IS_ACTIVE(kbd))
642 		return (FALSE);
643 
644 	sc = (struct sunkbd_softc *)kbd;
645 	if (!(sc->sc_flags & KPCOMPOSE) && (sc->sc_composed_char > 0))
646 		return (TRUE);
647 
648 	return (sunkbd_check(kbd));
649 }
650 
651 static int
652 sunkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data)
653 {
654 	struct sunkbd_softc *sc;
655 	int c, error;
656 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
657 	int ival;
658 #endif
659 
660 	sc = (struct sunkbd_softc *)kbd;
661 	error = 0;
662 	switch (cmd) {
663 	case KDGKBMODE:
664 		*(int *)data = sc->sc_mode;
665 		break;
666 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
667 	case _IO('K', 7):
668 		ival = IOCPARM_IVAL(data);
669 		data = (caddr_t)&ival;
670 		/* FALLTHROUGH */
671 #endif
672 	case KDSKBMODE:
673 		switch (*(int *)data) {
674 		case K_XLATE:
675 			if (sc->sc_mode != K_XLATE) {
676 				/* make lock key state and LED state match */
677 				sc->sc_state &= ~LOCK_MASK;
678 				sc->sc_state |= KBD_LED_VAL(kbd);
679 			}
680 			/* FALLTHROUGH */
681 		case K_RAW:
682 		case K_CODE:
683 			if (sc->sc_mode != *(int *)data) {
684 				sunkbd_clear_state(kbd);
685 				sc->sc_mode = *(int *)data;
686 			}
687 			break;
688 		default:
689 			error = EINVAL;
690 			break;
691 		}
692 		break;
693 	case KDGETLED:
694 		*(int *)data = KBD_LED_VAL(kbd);
695 		break;
696 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
697 	case _IO('K', 66):
698 		ival = IOCPARM_IVAL(data);
699 		data = (caddr_t)&ival;
700 		/* FALLTHROUGH */
701 #endif
702 	case KDSETLED:
703 		if (*(int *)data & ~LOCK_MASK) {
704 			error = EINVAL;
705 			break;
706 		}
707 		if (sc->sc_sysdev == NULL)
708 			break;
709 		c = 0;
710 		if (*(int *)data & CLKED)
711 			c |= SKBD_LED_CAPSLOCK;
712 		if (*(int *)data & NLKED)
713 			c |= SKBD_LED_NUMLOCK;
714 		if (*(int *)data & SLKED)
715 			c |= SKBD_LED_SCROLLLOCK;
716 		uart_lock(sc->sc_sysdev->hwmtx);
717 		sc->sc_sysdev->ops->putc(&sc->sc_sysdev->bas, SKBD_CMD_SETLED);
718 		sc->sc_sysdev->ops->putc(&sc->sc_sysdev->bas, c);
719 		uart_unlock(sc->sc_sysdev->hwmtx);
720 		KBD_LED_VAL(kbd) = *(int *)data;
721 		break;
722 	case KDGKBSTATE:
723 		*(int *)data = sc->sc_state & LOCK_MASK;
724 		break;
725 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5)
726 	case _IO('K', 20):
727 		ival = IOCPARM_IVAL(data);
728 		data = (caddr_t)&ival;
729 		/* FALLTHROUGH */
730 #endif
731 	case KDSKBSTATE:
732 		if (*(int *)data & ~LOCK_MASK) {
733 			error = EINVAL;
734 			break;
735 		}
736 		sc->sc_state &= ~LOCK_MASK;
737 		sc->sc_state |= *(int *)data;
738 		/* set LEDs and quit */
739 		return (sunkbd_ioctl(kbd, KDSETLED, data));
740 	case KDSETREPEAT:
741 	case KDSETRAD:
742 		break;
743 	case PIO_KEYMAP:
744 	case OPIO_KEYMAP:
745 	case PIO_KEYMAPENT:
746 	case PIO_DEADKEYMAP:
747 	default:
748 		return (genkbd_commonioctl(kbd, cmd, data));
749 	}
750 	return (error);
751 }
752 
753 static int
754 sunkbd_lock(keyboard_t *kbd, int lock)
755 {
756 
757 	TODO;
758 	return (0);
759 }
760 
761 static void
762 sunkbd_clear_state(keyboard_t *kbd)
763 {
764 	struct sunkbd_softc *sc;
765 
766 	sc = (struct sunkbd_softc *)kbd;
767 	sc->sc_repeat_key = -1;
768 	sc->sc_accents = 0;
769 	sc->sc_composed_char = 0;
770 	sc->sc_flags = 0;
771 	sc->sc_polling = 0;
772 	sc->sc_repeating = 0;
773 	sc->sc_state &= LOCK_MASK;	/* Preserve locking key state. */
774 
775 #if defined(SUNKBD_EMULATE_ATKBD)
776 	sc->sc_buffered_char[0] = 0;
777 	sc->sc_buffered_char[1] = 0;
778 #endif
779 }
780 
781 static int
782 sunkbd_get_state(keyboard_t *kbd, void *buf, size_t len)
783 {
784 
785 	TODO;
786 	return (0);
787 }
788 
789 static int
790 sunkbd_set_state(keyboard_t *kbd, void *buf, size_t len)
791 {
792 
793 	TODO;
794 	return (0);
795 }
796 
797 static int
798 sunkbd_poll_mode(keyboard_t *kbd, int on)
799 {
800 	struct sunkbd_softc *sc;
801 
802 	sc = (struct sunkbd_softc *)kbd;
803 	if (on)
804 		sc->sc_polling++;
805 	else
806 		sc->sc_polling--;
807 	return (0);
808 }
809 
810 static void
811 sunkbd_diag(keyboard_t *kbd, int level)
812 {
813 
814 	TODO;
815 }
816 
817 static void
818 sunkbd_repeat(void *v)
819 {
820 	struct sunkbd_softc *sc = v;
821 
822 	if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
823 		if (sc->sc_repeat_key != -1) {
824 			sc->sc_repeating = 1;
825 			sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
826 			    KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
827 		}
828 	}
829 }
830 
831 #if defined(SUNKBD_EMULATE_ATKBD)
832 static int
833 keycode2scancode(int keycode, int shift, int up)
834 {
835 	static const int scan[] = {
836 		/* KP enter, right ctrl, KP divide */
837 		0x1c , 0x1d , 0x35 ,
838 		/* print screen */
839 		0x37 | SCAN_PREFIX_SHIFT,
840 		/* right alt, home, up, page up, left, right, end */
841 		0x38, 0x47, 0x48, 0x49, 0x4b, 0x4d, 0x4f,
842 		/* down, page down, insert, delete */
843 		0x50, 0x51, 0x52, 0x53,
844 		/* pause/break (see also below) */
845 		0x46,
846 		/*
847 		 * MS: left window, right window, menu
848 		 * also Sun: left meta, right meta, compose
849 		 */
850 		0x5b, 0x5c, 0x5d,
851 		/* Sun type 6 USB */
852 		/* help, stop, again, props, undo, front, copy */
853 		0x68, 0x5e, 0x5f, 0x60,	0x61, 0x62, 0x63,
854 		/* open, paste, find, cut, audiomute, audiolower, audioraise */
855 		0x64, 0x65, 0x66, 0x67, 0x25, 0x1f, 0x1e,
856 		/* power */
857 		0x20
858 	};
859 	int scancode;
860 
861 	scancode = keycode;
862 	if ((keycode >= 89) && (keycode < 89 + nitems(scan)))
863 	scancode = scan[keycode - 89] | SCAN_PREFIX_E0;
864 	/* pause/break */
865 	if ((keycode == 104) && !(shift & CTLS))
866 		scancode = 0x45 | SCAN_PREFIX_E1 | SCAN_PREFIX_CTL;
867 	if (shift & SHIFTS)
868 		scancode &= ~SCAN_PREFIX_SHIFT;
869 	return (scancode | (up ? SCAN_RELEASE : SCAN_PRESS));
870 }
871 #endif
872