312 	struct zskbd_softc *zst = (void *) self;  local
320 	timeout_set(&zst->zst_diag_ch, zskbd_diag, zst);
321 	timeout_set(&zst->zst_bellto, zskbd_bellstop, zst);
323 	zst->zst_tbp = zst->zst_tba = zst->zst_tbeg = zst->zst_tbuf;
324 	zst->zst_tend = zst->zst_tbeg + ZSKBD_RING_SIZE;
326 	tty_unit = zst->zst_dev.dv_unit;
329 	cs->cs_private = zst;
332 	zst->zst_cs = cs;
333 	zst->zst_swflags = cf->cf_flags;	/* softcar, etc. */
334 	zst->zst_hwflags = args->hwflags;
337 	if (zst->zst_swflags)
338 		printf(", flags 0x%x", zst->zst_swflags);
345 	if ((zst->zst_hwflags & ZS_HWFLAG_CONSOLE_INPUT) != 0) {
355 	zst->zst_rbuf = malloc(zskbd_rbuf_size << 1, M_DEVBUF, M_WAITOK);
356 	zst->zst_ebuf = zst->zst_rbuf + (zskbd_rbuf_size << 1);
358 	zst->zst_r_hiwat = 0;
359 	zst->zst_r_lowat = 0;
360 	zst->zst_rbget = zst->zst_rbput = zst->zst_rbuf;
361 	zst->zst_rbavail = zskbd_rbuf_size;
371 	if (ISSET(zst->zst_hwflags, ZS_HWFLAG_CONSOLE)) {
376 	} else if (!ISSET(zst->zst_hwflags, ZS_HWFLAG_NORESET)) {
393 	if (zskbd_init(zst)) {
399 		zs_modem(zst, 1);
404 		zs_modem(zst, 0);
414 	zst->zst_click = 0;
420 			zst->zst_click = 1;
425 	if (ISTYPE5(zst->zst_layout)) {
426 		printf(": keyboard, type 5, layout 0x%x", zst->zst_layout);
429 		if (zst->zst_layout < MAXSUNLAYOUT &&
430 		    sunkbd_layouts[zst->zst_layout] != -1)
432 			    sunkbd_layouts[zst->zst_layout];
435 		printf(": keyboard, type %d", zst->zst_id);
436 		if (zst->zst_id >= KB_SUN4)
437 			printf(", layout 0x%x", zst->zst_layout);
440 		if (zst->zst_layout < MAXSUNLAYOUT &&
441 		    sunkbd_layouts[zst->zst_layout] != -1)
443 			    sunkbd_layouts[zst->zst_layout];
447 	a.accesscookie = zst;
452 		wskbd_cnattach(&zskbd_consops, zst, a.keymap);
454 	zst->zst_wskbddev = config_found(self, &a, wskbddevprint);
458 zskbd_init(zst)  in zskbd_init()  argument
459 	struct zskbd_softc *zst;  in zskbd_init()
461 	struct zs_chanstate *cs = zst->zst_cs;
477 	zs_maskintr(zst);
494 		if (zst->zst_tx_busy) {
495 			zst->zst_heldtbc = zst->zst_tbc;
496 			zst->zst_tbc = 0;
507 	zst->zst_r_hiwat = 0;
508 	zst->zst_r_lowat = 0;
509 	if (ISSET(zst->zst_rx_flags, RX_TTY_OVERFLOWED)) {
510 		CLR(zst->zst_rx_flags, RX_TTY_OVERFLOWED);
511 		zst->zst_rx_ready = 1;
514 	if (ISSET(zst->zst_rx_flags, RX_TTY_BLOCKED|RX_IBUF_BLOCKED)) {
515 		CLR(zst->zst_rx_flags, RX_TTY_BLOCKED|RX_IBUF_BLOCKED);
516 		zs_hwiflow(zst);
531 	if (zst->zst_tx_stopped) {
532 		zst->zst_tx_stopped = 0;
533 		zsstart_tx(zst);
545 		zst->zst_leds = 0;
546 		zst->zst_layout = -1;
549 		zskbd_putc(zst, SKBD_CMD_RESET);
555 				zskbd_raw(zst, *cs->cs_reg_data);
556 				if (zst->zst_kbdstate == SKBD_STATE_RESET)
569 				zskbd_raw(zst, *cs->cs_reg_data);
570 				if (zst->zst_kbdstate == SKBD_STATE_GETKEY)
580 		if (zst->zst_id == KB_SUN4) {
581 			zskbd_putc(zst, SKBD_CMD_LAYOUT);
587 					zskbd_raw(zst, *cs->cs_reg_data);
588 					if (zst->zst_layout != -1)
597 			zst->zst_layout = 0;
609 zskbd_raw(zst, c)  in zskbd_raw()  argument
610 	struct zskbd_softc *zst;  in zskbd_raw()
615 	if (zst->zst_kbdstate == SKBD_STATE_LAYOUT) {
616 		zst->zst_kbdstate = SKBD_STATE_GETKEY;
617 		zst->zst_layout = c;
623 		zst->zst_kbdstate = SKBD_STATE_RESET;
627 		zst->zst_kbdstate = SKBD_STATE_LAYOUT;
631 		zst->zst_kbdstate = SKBD_STATE_GETKEY;
639 	switch (zst->zst_kbdstate) {
641 		zst->zst_kbdstate = SKBD_STATE_GETKEY;
644 			    zst->zst_dev.dv_xname, c);
646 			zst->zst_id = c;
654 zskbd_putc(zst, c)  in zskbd_putc()  argument
655 	struct zskbd_softc *zst;  in zskbd_putc()
663 		rr0 = *zst->zst_cs->cs_reg_csr;
665 	*zst->zst_cs->cs_reg_data = c;
671 zsenqueue_tx(zst, str, len)  in zsenqueue_tx()  argument
672 	struct zskbd_softc *zst;  in zsenqueue_tx()
679 	if (zst->zst_tbc + len > ZSKBD_RING_SIZE)
681 	zst->zst_tbc += len;
683 		*zst->zst_tbp = str[i];
684 		if (++zst->zst_tbp == zst->zst_tend)
685 			zst->zst_tbp = zst->zst_tbeg;
688 	zsstart_tx(zst);
693 zsstart_tx(zst)  in zsstart_tx()  argument
694 	struct zskbd_softc *zst;  in zsstart_tx()
696 	struct zs_chanstate *cs = zst->zst_cs;
701 	if (zst->zst_tx_stopped)
703 	if (zst->zst_tbc == 0)
708 	zst->zst_tx_busy = 1;
716 	zs_write_data(cs, *zst->zst_tba);
718 	zst->zst_tbc--;
719 	if (++zst->zst_tba == zst->zst_tend)
720 		zst->zst_tba = zst->zst_tbeg;
734 zs_maskintr(zst)  in zs_maskintr()  argument
735 	struct zskbd_softc *zst;  in zs_maskintr()
737 	struct zs_chanstate *cs = zst->zst_cs;
741 	if (zst->zst_ppsmask != 0)
761 zs_modem(zst, onoff)  in zs_modem()  argument
762 	struct zskbd_softc *zst;  in zs_modem()
765 	struct zs_chanstate *cs = zst->zst_cs;
776 		if (zst->zst_tx_busy) {
777 			zst->zst_heldtbc = zst->zst_tbc;
778 			zst->zst_tbc = 0;
790 zs_hwiflow(zst)  in zs_hwiflow()  argument
791 	struct zskbd_softc *zst;  in zs_hwiflow()
793 	struct zs_chanstate *cs = zst->zst_cs;
798 	if (ISSET(zst->zst_rx_flags, RX_ANY_BLOCK)) {
825 	struct zskbd_softc *zst = cs->cs_private;  local
830 	end = zst->zst_ebuf;
831 	put = zst->zst_rbput;
832 	cc = zst->zst_rbavail;
851 			put = zst->zst_rbuf;
867 	zst->zst_rbput = put;
868 	zst->zst_rbavail = cc;
869 	if (!ISSET(zst->zst_rx_flags, RX_TTY_OVERFLOWED)) {
870 		zst->zst_rx_ready = 1;
878 	if (!ISSET(zst->zst_rx_flags, RX_IBUF_BLOCKED) &&
879 	    cc < zst->zst_r_hiwat) {
880 		SET(zst->zst_rx_flags, RX_IBUF_BLOCKED);
881 		zs_hwiflow(zst);
889 		SET(zst->zst_rx_flags, RX_IBUF_OVERFLOWED);
903 	struct zskbd_softc *zst = cs->cs_private;  local
912 		zst->zst_tbc = zst->zst_heldtbc;
913 		zst->zst_heldtbc = 0;
917 	if (zst->zst_tbc > 0) {
918 		zs_write_data(cs, *zst->zst_tba);
919 		zst->zst_tbc--;
920 		if (++zst->zst_tba == zst->zst_tend)
921 			zst->zst_tba = zst->zst_tbeg;
929 		if (zst->zst_tx_busy) {
930 			zst->zst_tx_busy = 0;
931 			zst->zst_tx_done = 1;
945 	struct zskbd_softc *zst = cs->cs_private;  local
969 			zst->zst_tbc = 0;
970 			zst->zst_heldtbc = 0;
973 		zst->zst_st_check = 1;
982 	struct zskbd_softc *zst = arg;  local
987 	overflows = zst->zst_overflows;
988 	zst->zst_overflows = 0;
989 	floods = zst->zst_floods;
990 	zst->zst_floods = 0;
991 	zst->zst_errors = 0;
995 	    zst->zst_dev.dv_xname,
1001 zskbd_rxsoft(zst)  in zskbd_rxsoft()  argument
1002 	struct zskbd_softc *zst;  in zskbd_rxsoft()
1004 	struct zs_chanstate *cs = zst->zst_cs;
1011 	end = zst->zst_ebuf;
1012 	get = zst->zst_rbget;
1013 	scc = cc = zskbd_rbuf_size - zst->zst_rbavail;
1016 		zst->zst_floods++;
1017 		if (zst->zst_errors++ == 0)
1018 			timeout_add(&zst->zst_diag_ch, 60 * hz);
1026 				zst->zst_overflows++;
1027 				if (zst->zst_errors++ == 0)
1028 					timeout_add(&zst->zst_diag_ch, 60 * hz);
1047 		wskbd_input(zst->zst_wskbddev, type, value);
1051 			get = zst->zst_rbuf;
1056 		zst->zst_rbget = get;
1058 		cc = zst->zst_rbavail += scc - cc;
1060 		if (cc >= zst->zst_r_lowat) {
1061 			if (ISSET(zst->zst_rx_flags, RX_IBUF_OVERFLOWED)) {
1062 				CLR(zst->zst_rx_flags, RX_IBUF_OVERFLOWED);
1067 			if (ISSET(zst->zst_rx_flags, RX_IBUF_BLOCKED)) {
1068 				CLR(zst->zst_rx_flags, RX_IBUF_BLOCKED);
1069 				zs_hwiflow(zst);
1077 zskbd_txsoft(zst)  in zskbd_txsoft()  argument
1078 	struct zskbd_softc *zst;  in zskbd_txsoft()
1083 zskbd_stsoft(zst)  in zskbd_stsoft()  argument
1084 	struct zskbd_softc *zst;  in zskbd_stsoft()
1086 	struct zs_chanstate *cs = zst->zst_cs;
1099 			zst->zst_tx_stopped = 0;
1101 			zst->zst_tx_stopped = 1;
1121 	struct zskbd_softc *zst = cs->cs_private;  local
1126 	if (zst->zst_rx_ready) {
1127 		zst->zst_rx_ready = 0;
1128 		zskbd_rxsoft(zst);
1131 	if (zst->zst_st_check) {
1132 		zst->zst_st_check = 0;
1133 		zskbd_stsoft(zst);
1136 	if (zst->zst_tx_done) {
1137 		zst->zst_tx_done = 0;
1138 		zskbd_txsoft(zst);
1164 	struct zskbd_softc *zst = v;  local
1168 	zst->zst_leds = wled;
1181 	zsenqueue_tx(zst, cmd, sizeof(cmd));
1185 zskbd_get_leds(zst)  in zskbd_get_leds()  argument
1186 	struct zskbd_softc *zst;  in zskbd_get_leds()
1188 	return (zst->zst_leds);
1199 	struct zskbd_softc *zst = v;  local
1205 		if (ISTYPE5(zst->zst_layout)) {
1212 		zskbd_set_leds(zst, *d_int);
1215 		*d_int = zskbd_get_leds(zst);
1218 		zskbd_bell(zst, d_bell->period,
1226 zskbd_bell(zst, period, pitch, volume)  in zskbd_bell()  argument
1227 	struct zskbd_softc *zst;  in zskbd_bell()
1238 	if (zst->zst_bellactive) {
1239 		if (zst->zst_belltimeout == 0)
1240 			timeout_del(&zst->zst_bellto);
1243 		zskbd_bellstop(zst);
1247 	if (!zst->zst_bellactive) {
1248 		zst->zst_bellactive = 1;
1249 		zst->zst_belltimeout = 1;
1250 		zsenqueue_tx(zst, &c, 1);
1251 		timeout_add(&zst->zst_bellto, ticks);
1260 	struct zskbd_softc *zst = v;  local
1265 	zst->zst_belltimeout = 0;
1267 	zsenqueue_tx(zst, &c, 1);
1268 	zst->zst_bellactive = 0;
1291 	struct zskbd_softc *zst = v;  local
1297 		rr0 = *zst->zst_cs->cs_reg_csr;
1300 	c = *zst->zst_cs->cs_reg_data;
1317 zskbd_reset(zst)  in zskbd_reset()  argument
1318 	struct zskbd_softc *zst;  in zskbd_reset()
1329 	switch (zst->zst_id) {
1335 		if (zst->zst_click == 0)
1340 		if (zst->zst_click != 0)
1348 		zsenqueue_tx(zst, &c, 1);