Driver for the Apollo Domain keyboard and mouse, for the HP 9000/4xx series.

Claims the console keyboard if a keyboard is detected at boot time,
otherwise HIL is preferred (but due to wsmux both can be used simultaneously).

1 files changed, 881 insertions, 0 deletions

diff --git a/sys/arch/hp300/dev/dnkbd.c b/sys/arch/hp300/dev/dnkbd.c
new file mode 100644
index 00000000000..917c9454ed8
--- /dev/null
+++ b/sys/arch/hp300/dev/dnkbd.c
@@ -0,0 +1,881 @@
+/*	$OpenBSD: dnkbd.c,v 1.1 2005/04/22 11:59:11 miod Exp $	*/
+
+/*
+ * Copyright (c) 2005, Miodrag Vallat
+ * Copyright (c) 1997 Michael Smith.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Driver for the Apollo Domain keyboard and mouse.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/ioctl.h>
+#include <sys/kernel.h>
+#include <sys/timeout.h>
+
+#include <machine/autoconf.h>
+#include <machine/cpu.h>
+
+#include <dev/wscons/wsconsio.h>
+#include <dev/wscons/wskbdvar.h>
+#include <dev/wscons/wsksymdef.h>
+#include <dev/wscons/wsksymvar.h>
+#ifdef WSDISPLAY_COMPAT_RAWKBD
+#include <dev/wscons/wskbdraw.h>
+#endif
+#include <dev/wscons/wsmousevar.h>
+
+#include <hp300/dev/apcireg.h>
+#include <hp300/dev/apcivar.h>
+#include <hp300/dev/dcareg.h>
+#include <hp300/dev/dnkbdmap.h>
+#include <hp300/dev/frodoreg.h>
+#include <hp300/dev/frodovar.h>
+
+#include "hilkbd.h"
+
+/*
+ * Keyboard key codes
+ */
+
+#define	DNKEY_REPEAT	0x7e
+#define	DNKEY_RELEASE	0x80
+#define	DNKEY_CHANNEL	0xff
+
+/*
+ * Channels
+ */
+
+#define	DNCHANNEL_RESET	0x00
+#define	DNCHANNEL_KBD	0x01
+#define	DNCHANNEL_MOUSE	0x02
+
+/*
+ * Keyboard modes
+ */
+
+#define	DNMODE_COOKED	0x00
+#define	DNMODE_RAW	0x01
+
+/*
+ * Keyboard commands
+ */
+
+#define	DNCMD_PREFIX	0xff
+#define	DNCMD_COOKED	DNMODE_COOKED
+#define	DNCMD_RAW	DNMODE_RAW
+#define	DNCMD_IDENT_1	0x12
+#define	DNCMD_IDENT_2	0x21
+
+/*
+ * Mouse status
+ */
+
+#define	DNBUTTON_L	0x10
+#define	DNBUTTON_R	0x20
+#define	DNBUTTON_M	0x40
+
+struct dnkbd_softc {
+	struct device	sc_dev;
+	struct isr	sc_isr;
+	struct apciregs	*sc_regs;
+
+	int		sc_flags;
+#define	SF_ENABLED	0x01		/* keyboard enabled */
+#define	SF_CONSOLE	0x02		/* keyboard is console */
+#define	SF_POLLING	0x04		/* polling mode */
+#define	SF_PLUGGED	0x08		/* keyboard has been seen plugged */
+#define	SF_ATTACHED	0x10		/* subdevices have been attached */
+#define	SF_MOUSE	0x20		/* mouse enabled */
+
+	u_int		sc_identlen;
+#define	MAX_IDENTLEN	32
+	char		sc_ident[MAX_IDENTLEN];
+
+	enum { STATE_KEYBOARD, STATE_MOUSE, STATE_CHANNEL } sc_state;
+
+	u_int8_t	sc_mousepkt[3];	/* mouse packet being constructed */
+	u_int		sc_mousepos;	/* index in above */
+
+	struct device	*sc_wskbddev;
+	struct device	*sc_wsmousedev;
+
+#ifdef WSDISPLAY_COMPAT_RAWKBD
+	int		sc_rawkbd;
+	int		sc_nrep;
+	char		sc_rep[2];	/* at most, one key */
+	struct timeout	sc_rawrepeat_ch;
+#define	REP_DELAY1	400
+#define	REP_DELAYN	100
+#endif
+};
+
+int	dnkbd_match(struct device *, void *, void *);
+void	dnkbd_attach(struct device *, struct device *, void *);
+
+struct cfdriver dnkbd_cd = {
+	NULL, "dnkbd", DV_DULL
+};
+
+struct cfattach dnkbd_ca = {
+	sizeof(struct dnkbd_softc), dnkbd_match, dnkbd_attach
+};
+
+int	dnkbd_enable(void *, int);
+void	dnkbd_set_leds(void *, int);
+int	dnkbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
+
+const struct wskbd_accessops dnkbd_accessops = {
+	dnkbd_enable,
+	dnkbd_set_leds,
+	dnkbd_ioctl
+};
+
+int	dnmouse_enable(void *);
+int	dnmouse_ioctl(void *, u_long, caddr_t, int, struct proc *);
+void	dnmouse_disable(void *);
+
+const struct wsmouse_accessops dnmouse_accessops = {
+	dnmouse_enable,
+	dnmouse_ioctl,
+	dnmouse_disable
+};
+
+void	dnkbd_cngetc(void *, u_int *, int *);
+void	dnkbd_cnpollc(void *, int);
+
+const struct wskbd_consops dnkbd_consops = {
+	dnkbd_cngetc,
+	dnkbd_cnpollc,
+	NULL		/* bell */
+};
+
+struct wskbd_mapdata dnkbd_keymapdata = {
+	dnkbd_keydesctab,
+	KB_US
+};
+
+typedef enum { EVENT_NONE, EVENT_KEYBOARD, EVENT_MOUSE } dnevent;
+
+void	dnevent_kbd(struct dnkbd_softc *, int);
+void	dnevent_mouse(struct dnkbd_softc *, u_int8_t *);
+void	dnkbd_attach_subdevices(struct dnkbd_softc *);
+void	dnkbd_decode(int, u_int *, int *);
+int	dnkbd_init(struct apciregs *);
+dnevent	dnkbd_input(struct dnkbd_softc *, int);
+int	dnkbd_intr(void *);
+int	dnkbd_pollin(struct apciregs *, u_int);
+int	dnkbd_pollout(struct apciregs *, int);
+int	dnkbd_probe(struct dnkbd_softc *);
+void	dnkbd_rawrepeat(void *);
+int	dnkbd_send(struct apciregs *, u_int8_t *, size_t);
+int	dnsubmatch_kbd(struct device *, void *, void *);
+int	dnsubmatch_mouse(struct device *, void *, void *);
+
+int
+dnkbd_match(struct device *parent, void *match, void *aux)
+{
+	struct frodo_attach_args *fa = aux;
+
+	if (strcmp(fa->fa_name, dnkbd_cd.cd_name) != 0)
+		return (0);
+
+	/* only attach to the first frodo port */
+	return (fa->fa_offset == FRODO_APCI_OFFSET(0));
+}
+
+void
+dnkbd_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct dnkbd_softc *sc = (struct dnkbd_softc *)self;
+	struct frodo_attach_args *fa = aux;
+
+	printf(": ");
+
+	sc->sc_regs = (struct apciregs *)IIOV(FRODO_BASE + fa->fa_offset);
+
+#ifdef WSDISPLAY_COMPAT_RAWKBD
+	timeout_set(&sc->sc_rawrepeat_ch, dnkbd_rawrepeat, sc);
+#endif
+
+	/* reset the port */
+	apciinit(sc->sc_regs, 1200, CFCR_8BITS | CFCR_PEVEN | CFCR_PENAB);
+
+	sc->sc_isr.isr_func = dnkbd_intr;
+	sc->sc_isr.isr_arg = sc;
+	sc->sc_isr.isr_priority = IPL_TTY;
+	frodo_intr_establish(parent, fa->fa_line, &sc->sc_isr, self->dv_xname);
+
+	/* probe for keyboard */
+	if (dnkbd_probe(sc) != 0) {
+		printf("no keyboard\n");
+		return;
+	}
+
+	dnkbd_attach_subdevices(sc);
+}
+
+void
+dnkbd_attach_subdevices(struct dnkbd_softc *sc)
+{
+	struct wskbddev_attach_args ka;
+	struct wsmousedev_attach_args ma;
+#if NHILKBD > 0
+	extern int hil_is_console;
+#endif
+
+	/*
+	 * If both hilkbd and dnkbd are configured, prefer the Domain
+	 * keyboard as console (if we are here, we know the keyboard is
+	 * plugged). But if it's a late hotplug, the hil code will have
+	 * claimed the console keyboard, so don't claim it now.
+	 * Unfortunately, the hil code will claim the console keyboard
+	 * even if no HIL keyboard is connected...
+	 */
+#if NHILKBD > 0
+	if (hil_is_console == -1) {
+		ka.console = 1;
+		hil_is_console = 0;
+	} else
+		ka.console = 0;
+#else
+	ka.console = 1;
+#endif
+	ka.keymap = &dnkbd_keymapdata;
+	ka.accessops = &dnkbd_accessops;
+	ka.accesscookie = sc;
+
+	if (ka.console) {
+		sc->sc_flags = SF_PLUGGED | SF_CONSOLE | SF_ENABLED;
+		wskbd_cnattach(&dnkbd_consops, sc, &dnkbd_keymapdata);
+	} else {
+		sc->sc_flags = SF_PLUGGED;
+	}
+
+	sc->sc_wskbddev = config_found_sm(&sc->sc_dev, &ka, wskbddevprint,
+	    dnsubmatch_kbd);
+
+	ma.accessops = &dnmouse_accessops;
+	ma.accesscookie = sc;
+
+	sc->sc_wsmousedev = config_found_sm(&sc->sc_dev, &ma, wsmousedevprint,
+	    dnsubmatch_mouse);
+
+	SET(sc->sc_flags, SF_ATTACHED);
+}
+
+int
+dnsubmatch_kbd(struct device *parent, void *match, void *aux)
+{
+	struct cfdata *cf = match;
+	extern struct cfdriver wskbd_cd;
+
+	if (strcmp(cf->cf_driver->cd_name, wskbd_cd.cd_name) != 0)
+		return (0);
+
+	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
+}
+
+int
+dnsubmatch_mouse(struct device *parent, void *match, void *aux)
+{
+	struct cfdata *cf = match;
+	extern struct cfdriver wsmouse_cd;
+
+	if (strcmp(cf->cf_driver->cd_name, wsmouse_cd.cd_name) != 0)
+		return (0);
+
+	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
+}
+
+int
+dnkbd_probe(struct dnkbd_softc *sc)
+{
+	int dat, rc;
+	u_int8_t cmdbuf[2];
+	char rspbuf[MAX_IDENTLEN], *word, *end;
+	u_int i;
+	int s;
+
+	s = splhigh();
+
+	/*
+	 * Switch keyboard to raw mode.
+	 */
+	cmdbuf[0] = DNCMD_RAW;
+	rc = dnkbd_send(sc->sc_regs, cmdbuf, 1);
+	if (rc != 0) {
+		splx(s);
+		return (rc);
+	}
+
+	/*
+	 * Send the identify command.
+	 */
+	cmdbuf[0] = DNCMD_IDENT_1;
+	cmdbuf[1] = DNCMD_IDENT_2;
+	rc = dnkbd_send(sc->sc_regs, cmdbuf, 2);
+	if (rc != 0) {
+		splx(s);
+		return (rc);
+	}
+
+	for (i = 0; ; i++) {
+		dat = dnkbd_pollin(sc->sc_regs, 10000);
+		if (dat == -1)
+			break;
+
+		if (i < sizeof(rspbuf))
+			rspbuf[i] = dat;
+	}
+
+	if (i >= sizeof(rspbuf)) {
+		printf("%s: unexpected identify string length %d\n",
+		    sc->sc_dev.dv_xname, i);
+		splx(s);
+		return (ENXIO);
+	}
+
+	/*
+	 * Make sure the identification string is NULL terminated
+	 * (overwriting the keyboard mode byte if necessary).
+	 */
+	if (i == sizeof(rspbuf) && dat != 0)
+		rspbuf[--i] = 0;
+
+	/*
+	 * Now display the identification strings, if it changed.
+	 */
+	if (i != sc->sc_identlen || bcmp(rspbuf, sc->sc_ident, i) != 0) {
+		sc->sc_identlen = i;
+		bcopy(rspbuf, sc->sc_ident, i);
+
+		if (cold == 0)
+			printf("%s: ", sc->sc_dev.dv_xname);
+		word = rspbuf;
+		for (i = 0; i < 3; i++) {
+			end = strchr(word, '\r');
+			if (end == NULL)
+				break;
+			*end++ = '\0';
+			printf("<%s> ", word);
+			word = end;
+		}
+		printf("\n");
+	}
+
+	splx(s);
+	return (0);
+}
+
+/*
+ * State machine.
+ *
+ * The keyboard may feed us the following sequences:
+ * - a raw key code, in the range 0x01-0x7e, or'ed with 0x80 if key release.
+ * - the key repeat sequence 0x7f.
+ * - a 3 byte mouse sequence.
+ * - a 2 byte channel sequence (0xff followed by the channel number) telling
+ *   us which device the following input will come from.
+ */
+
+dnevent
+dnkbd_input(struct dnkbd_softc *sc, int dat)
+{
+	dnevent event = EVENT_NONE;
+
+	switch (sc->sc_state) {
+	case STATE_KEYBOARD:
+		switch (dat) {
+		case DNKEY_REPEAT:
+			/*
+			 * We ignore event repeats, as wskbd does its own
+			 * soft repeat processing.
+			 */
+			break;
+		case DNKEY_CHANNEL:
+			sc->sc_state = STATE_CHANNEL;
+			break;
+		default:
+			event = EVENT_KEYBOARD;
+			break;
+		}
+		break;
+
+	case STATE_MOUSE:
+		if (dat == DNKEY_CHANNEL && sc->sc_mousepos == 0) {
+			sc->sc_state = STATE_CHANNEL;
+		} else {
+			sc->sc_mousepkt[sc->sc_mousepos++] = dat;
+			if (sc->sc_mousepos == sizeof(sc->sc_mousepkt)) {
+				sc->sc_mousepos = 0;
+				event = EVENT_MOUSE;
+			}
+		}
+		break;
+
+	case STATE_CHANNEL:
+		switch (dat) {
+		case DNKEY_CHANNEL:
+			/*
+			 * During hotplug, we might get spurious 0xff bytes.
+			 * Ignore them.
+			 */
+			break;
+		case DNCHANNEL_RESET:
+			/*
+			 * Identify the keyboard again. This will switch it to
+			 * raw mode again. If this fails, we'll consider the
+			 * keyboard as unplugged (to ignore further events until
+			 * a successfull reset).
+			 */
+			if (dnkbd_probe(sc) == 0) {
+				/*
+				 * We need to attach wskbd and wsmouse children
+				 * if this is a live first plug.
+				 */
+				if (!ISSET(sc->sc_flags, SF_ATTACHED))
+					dnkbd_attach_subdevices(sc);
+				SET(sc->sc_flags, SF_PLUGGED);
+			} else {
+				CLR(sc->sc_flags, SF_PLUGGED);
+			}
+
+			sc->sc_state = STATE_KEYBOARD;
+			break;
+		case DNCHANNEL_KBD:
+			sc->sc_state = STATE_KEYBOARD;
+			break;
+		case DNCHANNEL_MOUSE:
+			sc->sc_state = STATE_MOUSE;
+			sc->sc_mousepos = 0;	/* just in case */
+			break;
+		default:
+			printf("%s: unexpected channel byte %02x\n",
+			    sc->sc_dev.dv_xname, dat);
+			break;
+		}
+		break;
+	}
+
+	return (event);
+}
+
+/*
+ * Event breakers.
+ */
+
+void
+dnkbd_decode(int keycode, u_int *type, int *key)
+{
+	*type = (keycode & DNKEY_RELEASE) ?
+	    WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
+	*key = (keycode & ~DNKEY_RELEASE);
+}
+
+void
+dnevent_kbd(struct dnkbd_softc *sc, int dat)
+{
+	u_int type;
+	int key;
+	int s;
+
+	if (!ISSET(sc->sc_flags, SF_PLUGGED))
+		return;
+
+	if (sc->sc_wskbddev == NULL)
+		return;
+
+	if (!ISSET(sc->sc_flags, SF_ENABLED))
+		return;
+
+	dnkbd_decode(dat, &type, &key);
+
+#ifdef WSDISPLAY_COMPAT_RAWKBD
+	if (sc->sc_rawkbd) {
+		u_char cbuf[2];
+		int c, j = 0;
+
+		c = dnkbd_raw[key];
+		if (c != RAWKEY_Null) {
+			/* fake extended scancode if necessary */
+			if (c & 0x80)
+				cbuf[j++] = 0xe0;
+			cbuf[j] = c & 0x7f;
+			if (type == WSCONS_EVENT_KEY_UP)
+				cbuf[j] |= 0x80;
+			else {
+				/* remember pressed key for autorepeat */
+				bcopy(cbuf, sc->sc_rep, sizeof(sc->sc_rep));
+			}
+		}
+
+		s = spltty();
+		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
+		splx(s);
+		timeout_del(&sc->sc_rawrepeat_ch);
+		sc->sc_nrep = j;
+		if (j != 0) {
+			timeout_add(&sc->sc_rawrepeat_ch,
+			    (hz * REP_DELAY1) / 1000);
+		}
+	} else
+#endif
+	{
+		s = spltty();
+		wskbd_input(sc->sc_wskbddev, type, key);
+		splx(s);
+	}
+}
+
+#ifdef WSDISPLAY_COMPAT_RAWKBD
+void
+dnkbd_rawrepeat(void *v)
+{
+	struct dnkbd_softc *sc = v;
+	int s;
+
+	s = spltty();
+	wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
+	splx(s);
+
+	timeout_add(&sc->sc_rawrepeat_ch, (hz * REP_DELAYN) / 1000);
+}
+#endif
+
+void
+dnevent_mouse(struct dnkbd_softc *sc, u_int8_t *dat)
+{
+	if (!ISSET(sc->sc_flags, SF_PLUGGED))
+		return;
+
+	if (sc->sc_wsmousedev == NULL)
+		return;
+
+	if (!ISSET(sc->sc_flags, SF_MOUSE))
+		return;
+
+	/*
+	 * First byte is button status. It has the 0x80 bit always set, and
+	 * the next 3 bits are *cleared* when the mouse buttons are pressed.
+	 */
+#ifdef DEBUG
+	if (!ISSET(*dat, 0x80)) {
+		printf("%s: incorrect mouse packet %02x %02x %02x\n",
+		    sc->sc_dev.dv_xname, dat[0], dat[1], dat[2]);
+		return;
+	}
+#endif
+	
+	wsmouse_input(sc->sc_wsmousedev,
+	    (~dat[0] & (DNBUTTON_L | DNBUTTON_M | DNBUTTON_R)) >> 4,
+	    (int8_t)dat[1], (int8_t)dat[2], 0, WSMOUSE_INPUT_DELTA);
+}
+
+/*
+ * Low-level communication routines.
+ */
+
+int
+dnkbd_pollin(struct apciregs *apci, u_int tries)
+{
+	u_int cnt;
+
+	for (cnt = tries; cnt != 0; cnt--) {
+		if (apci->ap_lsr & LSR_RXRDY)
+			break;
+		DELAY(10);
+	}
+
+	if (cnt == 0)
+		return (-1);
+	else
+		return ((int)apci->ap_data);
+}
+
+int
+dnkbd_pollout(struct apciregs *apci, int dat)
+{
+	u_int cnt;
+
+	for (cnt = 10000; cnt != 0; cnt--) {
+		if (apci->ap_lsr & LSR_TXRDY)
+			break;
+		DELAY(10);
+	}
+	if (cnt == 0)
+		return (EBUSY);
+	else {
+		apci->ap_data = dat;
+		return (0);
+	}
+}
+
+int
+dnkbd_send(struct apciregs *apci, u_int8_t *cmdbuf, size_t cmdlen)
+{
+	int cnt, rc, dat;
+	u_int cmdpos;
+
+	/* drain rxfifo */
+	for (cnt = 10; cnt != 0; cnt--) {
+		if (dnkbd_pollin(apci, 10) == -1)
+			break;
+	}
+	if (cnt == 0)
+		return (EBUSY);
+
+	/* send command escape */
+	if ((rc = dnkbd_pollout(apci, DNCMD_PREFIX)) != 0)
+		return (rc);
+
+	/* send command buffer */
+	for (cmdpos = 0; cmdpos < cmdlen; cmdpos++) {
+		if ((rc = dnkbd_pollout(apci, cmdbuf[cmdpos])) != 0)
+			return (rc);
+	}
+
+	/* wait for command echo */
+	do {
+		dat = dnkbd_pollin(apci, 10000);
+		if (dat == -1)
+			return (EIO);
+	} while (dat != DNCMD_PREFIX);
+
+	for (cmdpos = 0; cmdpos < cmdlen; cmdpos++) {
+		dat = dnkbd_pollin(apci, 10000);
+		if (dat != cmdbuf[cmdpos])
+			return (EIO);
+	}
+
+	return (0);
+}
+
+int
+dnkbd_intr(void *v)
+{
+	struct dnkbd_softc *sc = v;
+	struct apciregs *apci = sc->sc_regs;
+	u_int8_t iir, lsr, c;
+	int claimed = 0;
+
+	for (;;) {
+		iir = apci->ap_iir;
+
+		switch (iir & IIR_IMASK) {
+		case IIR_RLS:
+			/*
+			 * Line status change. This should never happen,
+			 * so silently ack the interrupt.
+			 */
+			c = apci->ap_lsr;
+			break;
+
+		case IIR_RXRDY:
+		case IIR_RXTOUT:
+			/*
+			 * Data available. We process it byte by byte.
+			 */
+			for (;;) {
+				c = apci->ap_data;
+				switch (dnkbd_input(sc, c)) {
+				case EVENT_KEYBOARD:
+					dnevent_kbd(sc, c);
+					break;
+				case EVENT_MOUSE:
+					dnevent_mouse(sc, sc->sc_mousepkt);
+					break;
+				default:	/* appease gcc */
+					break;
+				}
+				lsr = apci->ap_lsr & LSR_RCV_MASK;
+				if (lsr == 0)
+					break;
+				else if (lsr != LSR_RXRDY) {
+					/* ignore error */
+					break;
+				}
+			}
+			break;
+
+		case IIR_TXRDY:
+			/*
+			 * Transmit available. Since we do all our commands
+			 * in polling mode, we do not need to do anything here.
+			 */
+			break;
+
+		default:
+			if (iir & IIR_NOPEND)
+				return (claimed);
+			/* FALLTHROUGH */
+
+		case IIR_MLSC:
+			/*
+			 * Modem status change. This should never happen,
+			 * so silently ack the interrupt.
+			 */
+			c = apci->ap_msr;
+			break;
+		}
+
+		claimed = 1;
+	}
+}
+
+/*
+ * Wskbd callbacks
+ */
+
+int
+dnkbd_enable(void *v, int on)
+{
+	struct dnkbd_softc *sc = v;
+
+	if (on) {
+		if (ISSET(sc->sc_flags, SF_ENABLED))
+			return (EBUSY);
+		SET(sc->sc_flags, SF_ENABLED);
+	} else {
+		if (ISSET(sc->sc_flags, SF_CONSOLE))
+			return (EBUSY);
+		CLR(sc->sc_flags, SF_ENABLED);
+	}
+
+	return (0);
+}
+
+void
+dnkbd_set_leds(void *v, int leds)
+{
+	/*
+	 * Not supported. There is only one LED on this keyboard, and
+	 * is hardware tied to the caps lock key.
+	 */
+}
+
+int
+dnkbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
+{
+	struct dnkbd_softc *sc = v;
+
+	switch (cmd) {
+	case WSKBDIO_GTYPE:
+		*(int *)data = WSKBD_TYPE_DOMAIN;
+		return (0);
+	case WSKBDIO_SETLEDS:
+		return (ENXIO);
+	case WSKBDIO_GETLEDS:
+		*(int *)data = 0;
+		return (0);
+#ifdef WSDISPLAY_COMPAT_RAWKBD
+	case WSKBDIO_SETMODE:
+		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
+		timeout_del(&sc->sc_rawrepeat_ch);
+		return (0);
+#endif
+	}
+
+	return (-1);
+}
+
+/*
+ * Wsmouse callbacks
+ */
+
+int
+dnmouse_enable(void *v)
+{
+	struct dnkbd_softc *sc = v;
+
+	if (ISSET(sc->sc_flags, SF_MOUSE))
+		return (EBUSY);
+	SET(sc->sc_flags, SF_MOUSE);
+
+	return (0);
+}
+
+int
+dnmouse_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
+{
+#if 0
+	struct dnkbd_softc *sc = v;
+#endif
+
+	switch (cmd) {
+	case WSMOUSEIO_GTYPE:
+		*(int *)data = WSMOUSE_TYPE_DOMAIN;
+		return (0);
+	}
+
+	return (-1);
+}
+
+void
+dnmouse_disable(void *v)
+{
+	struct dnkbd_softc *sc = v;
+
+	CLR(sc->sc_flags, SF_MOUSE);
+}
+
+/*
+ * Console support
+ */
+
+void
+dnkbd_cngetc(void *v, u_int *type, int *data)
+{
+	struct dnkbd_softc *sc = v;
+	int s;
+	int dat;
+
+	for (;;) {
+		s = splhigh();
+		dat = dnkbd_pollin(sc->sc_regs, 10000);
+		if (dat != -1) {
+			if (dnkbd_input(sc, dat) == EVENT_KEYBOARD) {
+				splx(s);
+				break;
+			}
+		}
+		splx(s);
+	}
+
+	dnkbd_decode(dat, type, data);
+}
+
+void
+dnkbd_cnpollc(void *v, int on)
+{
+	struct dnkbd_softc *sc = v;
+
+	if (on)
+		SET(sc->sc_flags, SF_POLLING);
+	else
+		CLR(sc->sc_flags, SF_POLLING);
+}