xref: /netbsd-src/sys/arch/sgimips/dev/zs_kbd.c (revision 670906435277b2f8cd845f50c4b99ef0dfdd9ad9)
1 /*	$NetBSD: zs_kbd.c,v 1.14 2021/09/18 15:14:41 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 2004 Steve Rumble
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  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 /*
31  * IP12/IP20 serial keyboard driver attached to zs channel 0 at 600bps.
32  * This layer is the parent of wskbd.
33  */
34 
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(0, "$NetBSD: zs_kbd.c,v 1.14 2021/09/18 15:14:41 tsutsui Exp $");
37 
38 #include <sys/param.h>
39 #include <sys/kmem.h>
40 #include <sys/systm.h>
41 #include <sys/conf.h>
42 #include <sys/device.h>
43 
44 #include <dev/wscons/wsconsio.h>
45 #include <dev/wscons/wskbdvar.h>
46 #include <dev/wscons/wsksymdef.h>
47 #include <dev/wscons/wsksymvar.h>
48 
49 #include <dev/ic/z8530reg.h>
50 #include <machine/machtype.h>
51 #include <machine/z8530var.h>
52 
53 #define ZSKBD_BAUD	600
54 #define ZSKBD_TXQ_LEN	16		/* power of 2 */
55 #define ZSKBD_RXQ_LEN	64		/* power of 2 */
56 
57 #define ZSKBD_DIP_SYNC	0x6E
58 #define ZSKBD_KEY_UP	0x80
59 
60 #ifdef ZSKBD_DEBUG
61 int zskbd_debug = 0;
62 
63 #define DPRINTF(_x) if (zskbd_debug) printf _x
64 #else
65 #define DPRINTF(_x)
66 #endif
67 
68 struct zskbd_softc {
69 	device_t   	sc_dev;
70 
71 	struct zskbd_devconfig *sc_dc;
72 };
73 
74 struct zskbd_devconfig {
75 	/* transmit tail-chasing fifo */
76 	uint8_t		txq[ZSKBD_TXQ_LEN];
77 	u_int		txq_head;
78 	u_int		txq_tail;
79 
80 	/* receive tail-chasing fifo */
81 	uint8_t		rxq[ZSKBD_RXQ_LEN];
82 	u_int		rxq_head;
83 	u_int		rxq_tail;
84 
85 	/* state */
86 #define TX_READY	0x1
87 #define RX_DIP		0x2
88 	u_int		state;
89 
90 	/* keyboard configuration */
91 #define ZSKBD_CTRL_A		0x0
92 #define ZSKBD_CTRL_A_SBEEP	0x2	/* 200 ms */
93 #define ZSKBD_CTRL_A_LBEEP	0x4	/* 1000 ms */
94 #define ZSKBD_CTRL_A_NOCLICK	0x8	/* turn off keyboard click */
95 #define ZSKBD_CTRL_A_RCB	0x10	/* request config byte */
96 #define ZSKBD_CTRL_A_NUMLK	0x20	/* num lock led */
97 #define ZSKBD_CTRL_A_CAPSLK	0x40	/* caps lock led */
98 #define ZSKBD_CTRL_A_AUTOREP	0x80	/* auto-repeat after 650 ms, 28x/sec */
99 
100 #define ZSKBD_CTRL_B		0x1
101 #define ZSKBD_CTRL_B_CMPL_DS1_2	0x2	/* complement of ds1+ds2 (num+capslk) */
102 #define ZSKBD_CTRL_B_SCRLK	0x4	/* scroll lock light */
103 #define ZSKBD_CTRL_B_L1		0x8	/* user-configurable lights */
104 #define ZSKBD_CTRL_B_L2		0x10
105 #define ZSKBD_CTRL_B_L3		0x20
106 #define ZSKBD_CTRL_B_L4		0x40
107 	uint8_t		kbd_conf[2];
108 
109 	/* dip switch settings */
110 	uint8_t		dip;
111 
112 	/* wscons glue */
113 	device_t	wskbddev;
114 	int		enabled;
115 };
116 
117 static int	zskbd_match(device_t, cfdata_t, void *);
118 static void	zskbd_attach(device_t, device_t, void *);
119 static void	zskbd_rxint(struct zs_chanstate *);
120 static void	zskbd_stint(struct zs_chanstate *, int);
121 static void	zskbd_txint(struct zs_chanstate *);
122 static void	zskbd_softint(struct zs_chanstate *);
123 static void	zskbd_send(struct zs_chanstate *, uint8_t *, u_int);
124 static void	zskbd_ctrl(struct zs_chanstate *, uint8_t, uint8_t,
125 						  uint8_t, uint8_t);
126 
127 static void	zskbd_wskbd_input(struct zs_chanstate *, uint8_t);
128 static int	zskbd_wskbd_enable(void *, int);
129 static void	zskbd_wskbd_set_leds(void *, int);
130 static int	zskbd_wskbd_get_leds(void *);
131 static void	zskbd_wskbd_set_keyclick(void *, int);
132 static int	zskbd_wskbd_get_keyclick(void *);
133 static int	zskbd_wskbd_ioctl(void *, u_long, void *, int, struct lwp *);
134 
135 void		zskbd_cnattach(int, int);
136 static void	zskbd_wskbd_getc(void *, u_int *, int *);
137 static void	zskbd_wskbd_pollc(void *, int);
138 static void	zskbd_wskbd_bell(void *, u_int, u_int, u_int);
139 
140 extern struct zschan   *zs_get_chan_addr(int, int);
141 extern int		zs_getc(void *);
142 extern void		zs_putc(void *, int);
143 
144 CFATTACH_DECL_NEW(zskbd, sizeof(struct zskbd_softc),
145     zskbd_match, zskbd_attach, NULL, NULL);
146 
147 static struct zsops zskbd_zsops = {
148 	zskbd_rxint,
149 	zskbd_stint,
150 	zskbd_txint,
151 	zskbd_softint
152 };
153 
154 extern const struct wscons_keydesc wssgi_keydesctab[];
155 const struct wskbd_mapdata sgikbd_wskbd_keymapdata = {
156 	wssgi_keydesctab, KB_US
157 };
158 
159 const struct wskbd_accessops zskbd_wskbd_accessops = {
160 	zskbd_wskbd_enable,
161 	zskbd_wskbd_set_leds,
162 	zskbd_wskbd_ioctl
163 };
164 
165 const struct wskbd_consops zskbd_wskbd_consops = {
166 	zskbd_wskbd_getc,
167 	zskbd_wskbd_pollc,
168 	zskbd_wskbd_bell
169 };
170 
171 static struct zskbd_devconfig	zskbd_console_dc;
172 static int			zskbd_is_console = 0;
173 
174 static int
zskbd_match(device_t parent,cfdata_t cf,void * aux)175 zskbd_match(device_t parent, cfdata_t cf, void *aux)
176 {
177 
178 	if (mach_type == MACH_SGI_IP12 || mach_type == MACH_SGI_IP20) {
179 		struct zsc_attach_args *args = aux;
180 
181 		if (args->channel == 0)
182 			return (1);
183 	}
184 
185 	return (0);
186 }
187 
188 static void
zskbd_attach(device_t parent,device_t self,void * aux)189 zskbd_attach(device_t parent, device_t self, void *aux)
190 {
191 	struct zskbd_softc	       *sc;
192 	struct zs_chanstate	       *cs;
193 	struct zsc_softc      	       *zsc;
194 	struct zsc_attach_args	       *args;
195 	struct wskbddev_attach_args	wskaa;
196 	int				s, channel;
197 
198 	zsc = device_private(parent);
199 	sc = device_private(self);
200 	sc->sc_dev = self;
201 	args = aux;
202 
203 	/* Establish ourself with the MD z8530 driver */
204 	channel = args->channel;
205 	cs = zsc->zsc_cs[channel];
206 	cs->cs_ops = &zskbd_zsops;
207 	cs->cs_private = sc;
208 
209 	if (zskbd_is_console) {
210 		sc->sc_dc = &zskbd_console_dc;
211 		wskaa.console = 1;
212 		sc->sc_dc->enabled = 1;
213 	} else {
214 		wskaa.console = 0;
215 
216 		sc->sc_dc = kmem_alloc(sizeof(struct zskbd_devconfig),
217 		    KM_SLEEP);
218 
219 		sc->sc_dc->enabled = 0;
220 	}
221 
222 	sc->sc_dc->txq_head = 0;
223 	sc->sc_dc->txq_tail = 0;
224 	sc->sc_dc->rxq_head = 0;
225 	sc->sc_dc->rxq_tail = 0;
226 	sc->sc_dc->state = TX_READY;
227 	sc->sc_dc->dip = 0;
228 	sc->sc_dc->kbd_conf[ZSKBD_CTRL_A] = 0;
229 	sc->sc_dc->kbd_conf[ZSKBD_CTRL_B] = 0;
230 
231 	aprint_normal(": baud rate %d\n", ZSKBD_BAUD);
232 
233 	s = splzs();
234 	zs_write_reg(cs, 9, (channel == 0) ? ZSWR9_A_RESET : ZSWR9_B_RESET);
235 	cs->cs_preg[1] = ZSWR1_RIE | ZSWR1_TIE;
236 	cs->cs_preg[4] = (cs->cs_preg[4] & ZSWR4_CLK_MASK) |
237 			 (ZSWR4_ONESB | ZSWR4_PARENB);	/* 1 stop, odd parity */
238 	zs_set_speed(cs, ZSKBD_BAUD);
239 	zs_loadchannelregs(cs);
240 
241 	/* request DIP switch settings just in case */
242 	zskbd_ctrl(cs, ZSKBD_CTRL_A_RCB, 0, 0, 0);
243 
244 	splx(s);
245 
246 	/* attach wskbd */
247 	wskaa.keymap =		&sgikbd_wskbd_keymapdata;
248 	wskaa.accessops =	&zskbd_wskbd_accessops;
249 	wskaa.accesscookie =	cs;
250 	sc->sc_dc->wskbddev =	config_found(self, &wskaa, wskbddevprint,
251 					     CFARGS_NONE);
252 }
253 
254 static void
zskbd_rxint(struct zs_chanstate * cs)255 zskbd_rxint(struct zs_chanstate *cs)
256 {
257 	struct zskbd_softc     *sc;
258 	struct zskbd_devconfig *dc;
259 	uint8_t			c, r;
260 
261 	sc = cs->cs_private;
262 	dc = sc->sc_dc;
263 
264 	/* clear errors */
265 	r = zs_read_reg(cs, 1);
266 	if (r & (ZSRR1_FE | ZSRR1_DO | ZSRR1_PE))
267 		zs_write_csr(cs, ZSWR0_RESET_ERRORS);
268 
269 	/* read byte and append to our queue */
270 	c = zs_read_data(cs);
271 
272 	dc->rxq[dc->rxq_tail] = c;
273 	dc->rxq_tail = (dc->rxq_tail + 1) & ~ZSKBD_RXQ_LEN;
274 
275 	cs->cs_softreq = 1;
276 }
277 
278 static void
zskbd_stint(struct zs_chanstate * cs,int force)279 zskbd_stint(struct zs_chanstate *cs, int force)
280 {
281 
282 	zs_write_csr(cs, ZSWR0_RESET_STATUS);
283 	cs->cs_softreq = 1;
284 }
285 
286 static void
zskbd_txint(struct zs_chanstate * cs)287 zskbd_txint(struct zs_chanstate *cs)
288 {
289 	struct zskbd_softc *sc;
290 
291 	sc = cs->cs_private;
292 	zs_write_reg(cs, 0, ZSWR0_RESET_TXINT);
293 	sc->sc_dc->state |= TX_READY;
294 	cs->cs_softreq = 1;
295 }
296 
297 static void
zskbd_softint(struct zs_chanstate * cs)298 zskbd_softint(struct zs_chanstate *cs)
299 {
300 	struct zskbd_softc	*sc;
301 	struct zskbd_devconfig	*dc;
302 
303 	sc = cs->cs_private;
304 	dc = sc->sc_dc;
305 
306 	/* handle pending transmissions */
307 	if (dc->txq_head != dc->txq_tail && (dc->state & TX_READY)) {
308 		int s;
309 
310 		dc->state &= ~TX_READY;
311 
312 		s = splzs();
313 		zs_write_data(cs, dc->txq[dc->txq_head]);
314 		splx(s);
315 
316 		dc->txq_head = (dc->txq_head + 1) & ~ZSKBD_TXQ_LEN;
317 	}
318 
319 	/* don't bother if nobody is listening */
320 	if (!dc->enabled) {
321 		dc->rxq_head = dc->rxq_tail;
322 		return;
323 	}
324 
325 	/* handle incoming keystrokes/config */
326 	while (dc->rxq_head != dc->rxq_tail) {
327 		uint8_t key = dc->rxq[dc->rxq_head];
328 
329 		if (dc->state & RX_DIP) {
330 			dc->dip = key;
331 			dc->state &= ~RX_DIP;
332 		} else if (key == ZSKBD_DIP_SYNC) {
333 			dc->state |= RX_DIP;
334 		} else {
335 			/* toss wskbd a bone */
336 			zskbd_wskbd_input(cs, key);
337 		}
338 
339 		dc->rxq_head = (dc->rxq_head + 1) & ~ZSKBD_RXQ_LEN;
340 	}
341 }
342 
343 /* expects to be in splzs() */
344 static void
zskbd_send(struct zs_chanstate * cs,uint8_t * c,u_int len)345 zskbd_send(struct zs_chanstate *cs, uint8_t *c, u_int len)
346 {
347 	u_int			i;
348 	struct zskbd_softc     *sc;
349 	struct zskbd_devconfig *dc;
350 
351 	sc = cs->cs_private;
352 	dc = sc->sc_dc;
353 
354 	for (i = 0; i < len; i++) {
355 		if (dc->state & TX_READY) {
356 			zs_write_data(cs, c[i]);
357 			dc->state &= ~TX_READY;
358 		} else {
359 			dc->txq[dc->txq_tail] = c[i];
360 			dc->txq_tail = (dc->txq_tail + 1) & ~ZSKBD_TXQ_LEN;
361 			cs->cs_softreq = 1;
362 		}
363 	}
364 }
365 
366 /* expects to be in splzs() */
367 static void
zskbd_ctrl(struct zs_chanstate * cs,uint8_t a_on,uint8_t a_off,uint8_t b_on,uint8_t b_off)368 zskbd_ctrl(struct zs_chanstate *cs, uint8_t a_on, uint8_t a_off,
369 	   uint8_t b_on, uint8_t b_off)
370 {
371 	struct zskbd_softc	*sc;
372 	struct zskbd_devconfig	*dc;
373 
374 	sc = cs->cs_private;
375 	dc = sc->sc_dc;
376 
377 	dc->kbd_conf[ZSKBD_CTRL_A] |=   a_on;
378 	dc->kbd_conf[ZSKBD_CTRL_A] &= ~(a_off | ZSKBD_CTRL_B);
379 	dc->kbd_conf[ZSKBD_CTRL_B] &=  ~b_off;
380 	dc->kbd_conf[ZSKBD_CTRL_B] |=  (b_on | ZSKBD_CTRL_B);
381 
382 	zskbd_send(cs, dc->kbd_conf, 2);
383 
384 	/* make sure we don't resend these each time */
385 	dc->kbd_conf[ZSKBD_CTRL_A] &= ~(ZSKBD_CTRL_A_RCB | ZSKBD_CTRL_A_SBEEP |
386 	    ZSKBD_CTRL_A_LBEEP);
387 }
388 
389 /******************************************************************************
390  * wskbd glue
391  ******************************************************************************/
392 
393 static void
zskbd_wskbd_input(struct zs_chanstate * cs,uint8_t key)394 zskbd_wskbd_input(struct zs_chanstate *cs, uint8_t key)
395 {
396 	struct zskbd_softc     *sc;
397 	u_int			type;
398 
399 	sc = cs->cs_private;
400 
401 	if (key & ZSKBD_KEY_UP)
402 		type = WSCONS_EVENT_KEY_UP;
403 	else
404 		type = WSCONS_EVENT_KEY_DOWN;
405 
406 	wskbd_input(sc->sc_dc->wskbddev, type, (key & ~ZSKBD_KEY_UP));
407 
408 	DPRINTF(("zskbd_wskbd_input: inputted key 0x%x\n", key));
409 
410 #ifdef WSDISPLAY_COMPAT_RAWKBD
411 	wskbd_rawinput(sc->sc_dc->wskbddev, &key, 1);
412 #endif
413 }
414 
415 static int
zskbd_wskbd_enable(void * cookie,int on)416 zskbd_wskbd_enable(void *cookie, int on)
417 {
418 	struct zskbd_softc *sc;
419 	struct zs_chanstate *cs;
420 
421 	cs = cookie;
422 	sc = cs->cs_private;
423 
424 	if (on) {
425 		if (sc->sc_dc->enabled)
426 			return (EBUSY);
427 		else
428 			sc->sc_dc->enabled = 1;
429 	} else
430 		sc->sc_dc->enabled = 0;
431 
432 	DPRINTF(("zskbd_wskbd_enable: %s\n", on ? "enabled" : "disabled"));
433 
434 	return (0);
435 }
436 
437 static void
zskbd_wskbd_set_leds(void * cookie,int leds)438 zskbd_wskbd_set_leds(void *cookie, int leds)
439 {
440 	struct zs_chanstate *cs;
441 	int 	s;
442 	uint8_t	a_on, a_off, b_on, b_off;
443 
444 	a_on = a_off = b_on = b_off = 0;
445 
446 	if (leds & WSKBD_LED_CAPS)
447 		a_on |=  ZSKBD_CTRL_A_CAPSLK;
448 	else
449 		a_off |= ZSKBD_CTRL_A_CAPSLK;
450 
451 	if (leds & WSKBD_LED_NUM)
452 		a_on |=  ZSKBD_CTRL_A_NUMLK;
453 	else
454 		a_off |= ZSKBD_CTRL_A_NUMLK;
455 
456 	if (leds & WSKBD_LED_SCROLL)
457 		b_on |=  ZSKBD_CTRL_B_SCRLK;
458 	else
459 		b_off |= ZSKBD_CTRL_B_SCRLK;
460 
461 	cs = cookie;
462 	s = splzs();
463 	zskbd_ctrl(cs, a_on, a_off, b_on, b_off);
464 	splx(s);
465 }
466 
467 static int
zskbd_wskbd_get_leds(void * cookie)468 zskbd_wskbd_get_leds(void *cookie)
469 {
470 	struct zskbd_softc     *sc;
471 	struct zs_chanstate    *cs;
472 	int		 	leds;
473 
474 	cs = cookie;
475 	sc = cs->cs_private;
476 	leds = 0;
477 
478 	if (sc->sc_dc->kbd_conf[ZSKBD_CTRL_A] & ZSKBD_CTRL_A_NUMLK)
479 		leds |= WSKBD_LED_NUM;
480 
481 	if (sc->sc_dc->kbd_conf[ZSKBD_CTRL_A] & ZSKBD_CTRL_A_CAPSLK)
482 		leds |= WSKBD_LED_CAPS;
483 
484 	if (sc->sc_dc->kbd_conf[ZSKBD_CTRL_B] & ZSKBD_CTRL_B_SCRLK)
485 		leds |= WSKBD_LED_SCROLL;
486 
487 	return (leds);
488 }
489 
490 static void
zskbd_wskbd_set_keyclick(void * cookie,int on)491 zskbd_wskbd_set_keyclick(void *cookie, int on)
492 {
493 	int			s;
494 	struct zs_chanstate    *cs;
495 
496 	cs = cookie;
497 
498 	if (on) {
499 		if (!zskbd_wskbd_get_keyclick(cookie)) {
500 			s = splzs();
501 			zskbd_ctrl(cs, 0, ZSKBD_CTRL_A_NOCLICK, 0, 0);
502 			splx(s);
503 		}
504 	} else {
505 		if (zskbd_wskbd_get_keyclick(cookie)) {
506 			s = splzs();
507 			zskbd_ctrl(cs, ZSKBD_CTRL_A_NOCLICK, 0, 0, 0);
508 			splx(s);
509 		}
510 	}
511 }
512 
513 static int
zskbd_wskbd_get_keyclick(void * cookie)514 zskbd_wskbd_get_keyclick(void *cookie)
515 {
516 	struct zskbd_softc *sc;
517 	struct zs_chanstate *cs;
518 
519 	cs = cookie;
520 	sc = cs->cs_private;
521 
522 	if (sc->sc_dc->kbd_conf[ZSKBD_CTRL_A] & ZSKBD_CTRL_A_NOCLICK)
523 		return (0);
524 	else
525 		return (1);
526 }
527 
528 static int
zskbd_wskbd_ioctl(void * cookie,u_long cmd,void * data,int flag,struct lwp * l)529 zskbd_wskbd_ioctl(void *cookie, u_long cmd,
530 		  void *data, int flag, struct lwp *l)
531 {
532 
533 	switch (cmd) {
534 	case WSKBDIO_GTYPE:
535 		*(int *)data = WSKBD_TYPE_SGI;
536 		break;
537 
538 #ifdef notyet
539 	case WSKBDIO_COMPLEXBELL:
540 	case WSKBDIO_SETKEYREPEAT:
541 	case WSKBDIO_GETKEYREPEAT:
542 	case WSKBDIO_SETDEFAULTKEYREPEAT:
543 	case WSKBDIO_GETDEFAULTKEYREPEAT:
544 #endif
545 
546 	case WSKBDIO_SETLEDS:
547 		zskbd_wskbd_set_leds(cookie, *(int *)data);
548 		break;
549 
550 	case WSKBDIO_GETLEDS:
551 		*(int *)data = zskbd_wskbd_get_leds(cookie);
552 		break;
553 
554 #ifdef notyet
555 	case WSKBDIO_GETMAP:
556 	case WSKBDIO_SETMAP:
557 	case WSKBDIO_GETENCODING:
558 	case WSKBDIO_SETENCODING:
559 	case WSKBDIO_SETMODE:
560 	case WSKBDIO_GETMODE:
561 #endif
562 
563 	case WSKBDIO_SETKEYCLICK:
564 		zskbd_wskbd_set_keyclick(cookie, *(int *)data);
565 		break;
566 
567 	case WSKBDIO_GETKEYCLICK:
568 		*(int *)data = zskbd_wskbd_get_keyclick(cookie);
569 		break;
570 
571 	default:
572 		return (EPASSTHROUGH);
573 	}
574 
575 	return (0);
576 }
577 
578 /*
579  * console routines
580  */
581 void
zskbd_cnattach(int zsunit,int zschan)582 zskbd_cnattach(int zsunit, int zschan)
583 {
584 
585 	wskbd_cnattach(&zskbd_wskbd_consops, zs_get_chan_addr(zsunit, zschan),
586 	    &sgikbd_wskbd_keymapdata);
587 	zskbd_is_console = 1;
588 }
589 
590 static void
zskbd_wskbd_getc(void * cookie,u_int * type,int * data)591 zskbd_wskbd_getc(void *cookie, u_int *type, int *data)
592 {
593 	int key;
594 
595 	key = zs_getc(cookie);
596 
597 	if (key & ZSKBD_KEY_UP)
598 		*type = WSCONS_EVENT_KEY_UP;
599 	else
600 		*type = WSCONS_EVENT_KEY_DOWN;
601 
602 	*data = key & ~ZSKBD_KEY_UP;
603 }
604 
605 static void
zskbd_wskbd_pollc(void * cookie,int on)606 zskbd_wskbd_pollc(void *cookie, int on)
607 {
608 }
609 
610 static void
zskbd_wskbd_bell(void * cookie,u_int pitch,u_int period,u_int volume)611 zskbd_wskbd_bell(void *cookie, u_int pitch, u_int period, u_int volume)
612 {
613 
614 	/*
615 	 * Since we don't have any state, this'll nuke our lights,
616 	 * key click, and other bits in ZSKBD_CTRL_A.
617 	 */
618 	if (period >= 1000)
619 		zs_putc(cookie, ZSKBD_CTRL_A_LBEEP);
620 	else
621 		zs_putc(cookie, ZSKBD_CTRL_A_SBEEP);
622 }
623