Delete the sequencer(4) driver, since its not used any longer. Diff

mostly from armani.
ok miod, mpi, jsg and help from sthen

4 files changed, 2 insertions, 1501 deletions

diff --git a/sys/dev/midi.c b/sys/dev/midi.c
index db3913acfec..453524f68b4 100644
--- a/sys/dev/midi.c
+++ b/sys/dev/midi.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: midi.c,v 1.28 2012/04/17 07:58:47 ratchov Exp $	*/
+/*	$OpenBSD: midi.c,v 1.29 2013/03/15 09:10:52 ratchov Exp $	*/
 
 /*
  * Copyright (c) 2003, 2004 Alexandre Ratchov
@@ -16,16 +16,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/*
- * TODO
- *	- put the sequencer stuff in sequencer.c and sequencervar.h
- *	  there is no reason to have it here. The sequencer
- *	  driver need only to open the midi hw_if thus it does not
- *	  need this driver
- */
-
-#include "sequencer.h"
-
 #include <sys/param.h>
 #include <sys/fcntl.h>
 #include <sys/systm.h>
@@ -67,13 +57,6 @@ void	midi_out_do(struct midi_softc *);
 void	midi_attach(struct midi_softc *, struct device *);
 
 
-#if NSEQUENCER > 0
-int	midi_unit_count(void);
-void	midi_toevent(struct midi_softc *, int);
-int	midi_writebytes(int, u_char *, int);
-void	midiseq_in(struct midi_dev *, u_char *, int);
-#endif
-
 struct cfattach midi_ca = {
 	sizeof(struct midi_softc), midiprobe, midiattach, mididetach
 };
@@ -107,12 +90,6 @@ midi_iintr(void *addr, int data)
 	if (sc->isdying || !sc->isopen || !(sc->flags & FREAD))
 		return;
 
-#if NSEQUENCER > 0
-	if (sc->seqopen) {
-		midi_toevent(sc, data);
-		return;
-	}
-#endif
 	if (MIDIBUF_ISFULL(mb))
 		return; /* discard data */
 
@@ -482,11 +459,6 @@ midiopen(dev_t dev, int flags, int mode, struct proc *p)
 	if (err)
 		return err;
 	sc->isopen = 1;
-#if NSEQUENCER > 0
-	sc->seq_md = 0;
-	sc->seqopen = 0;
-	sc->evstatus = 0xff;
-#endif
 	return 0;
 }
 
@@ -644,74 +616,3 @@ midi_unit_count(void)
 	return midi_cd.cd_ndevs;
 }
 
-
-#if NSEQUENCER > 0
-#define MIDI_EVLEN(status) 	(midi_evlen[((status) >> 4) & 7])
-unsigned midi_evlen[] = { 2, 2, 2, 2, 1, 1, 2 };
-
-void
-midi_toevent(struct midi_softc *sc, int data)
-{
-	unsigned char mesg[3];
-
-	if (data >= 0xf8) {		/* is it a realtime message ? */
-		switch(data) {
-		case 0xf8:		/* midi timer tic */
-		case 0xfa:		/* midi timer start */
-		case 0xfb:		/* midi timer continue (after stop) */
-		case 0xfc:		/* midi timer stop */
-			mesg[0] = data;
-			midiseq_in(sc->seq_md, mesg, 1);
-			break;
-		default:
-			break;
-		}
-	} else if (data >= 0x80) {	/* is it a common or voice message ? */
-		sc->evstatus = data;
-		sc->evindex = 0;
-	} else {			/* else it is a data byte */
-		/* strip common messages and bogus data */
-		if (sc->evstatus >= 0xf0 || sc->evstatus < 0x80)
-			return;
-
-		sc->evdata[sc->evindex++] = data;
-		if (sc->evindex == MIDI_EVLEN(sc->evstatus)) {
-			sc->evindex = 0;
-			mesg[0] = sc->evstatus;
-			mesg[1] = sc->evdata[0];
-			mesg[2] = sc->evdata[1];
-			midiseq_in(sc->seq_md, mesg, 1 + MIDI_EVLEN(sc->evstatus));
-		}
-	}
-}
-
-
-int
-midi_writebytes(int unit, unsigned char *mesg, int mesglen)
-{
-	struct midi_softc  *sc = midi_cd.cd_devs[unit];
-	struct midi_buffer *mb = &sc->outbuf;
-	unsigned 	    count;
-	int		    s;
-
-	s = splaudio();
-	if (mesglen > MIDIBUF_AVAIL(mb)) {
-		splx(s);
-		return EWOULDBLOCK;
-	}
-
-	while (mesglen > 0) {
-		count = MIDIBUF_SIZE - MIDIBUF_END(mb);
-		if (count > MIDIBUF_AVAIL(mb)) count = MIDIBUF_AVAIL(mb);
-		if (count > mesglen) count = mesglen;
-		bcopy(mesg, mb->data + MIDIBUF_END(mb), count);
-		mb->used += count;
-		mesg += count;
-		mesglen -= count;
-		midi_out_start(sc);
-	}
-	splx(s);
-	return 0;
-}
-
-#endif /* NSEQUENCER > 0 */
diff --git a/sys/dev/midivar.h b/sys/dev/midivar.h
index e2987e5c3f7..bbdad7b1622 100644
--- a/sys/dev/midivar.h
+++ b/sys/dev/midivar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: midivar.h,v 1.6 2012/03/30 08:18:19 ratchov Exp $	*/
+/*	$OpenBSD: midivar.h,v 1.7 2013/03/15 09:10:52 ratchov Exp $	*/
 
 /*
  * Copyright (c) 2003, 2004 Alexandre Ratchov
@@ -30,12 +30,6 @@
 #define MIDI_UNIT(a)	((a) & 0xff)
 #define MIDI_DEV2SC(a)	(midi_cd.cd_devs[MIDI_UNIT(a)])
 
-#include "sequencer.h"
-
-#if NSEQUENCER > 0
-struct midi_dev;		/* defined in sequencervar.h */
-#endif
-
 /*
  * simple ring buffer
  */
@@ -91,13 +85,6 @@ struct midi_softc {
 	struct timeout	    timeo;
 	struct midi_buffer  inbuf;
 	struct midi_buffer  outbuf;
-#if NSEQUENCER > 0
-        int		    seqopen;
-        struct midi_dev    *seq_md; 		/* structure that links us with the seq. */
-	int		    evindex;
-	unsigned char	    evstatus;
-	unsigned char	    evdata[2];
-#endif /* NSEQUENCER > 0 */
 };
 
 #endif /* _SYS_DEV_MIDIVAR_H_ */
diff --git a/sys/dev/sequencer.c b/sys/dev/sequencer.c
deleted file mode 100644
index c50750cf05e..00000000000
--- a/sys/dev/sequencer.c
+++ /dev/null
@@ -1,1282 +0,0 @@
-/*	$OpenBSD: sequencer.c,v 1.22 2011/07/02 22:20:07 nicm Exp $	*/
-/*	$NetBSD: sequencer.c,v 1.13 1998/11/25 22:17:07 augustss Exp $	*/
-
-/*
- * Copyright (c) 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Lennart Augustsson (augustss@netbsd.org).
- *
- * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- */
-
-#include <sys/param.h>
-#include <sys/ioctl.h>
-#include <sys/fcntl.h>
-#include <sys/vnode.h>
-#include <sys/selinfo.h>
-#include <sys/poll.h>
-#include <sys/malloc.h>
-#include <sys/proc.h>
-#include <sys/systm.h>
-#include <sys/syslog.h>
-#include <sys/kernel.h>
-#include <sys/signalvar.h>
-#include <sys/conf.h>
-#include <sys/audioio.h>
-#include <sys/midiio.h>
-#include <sys/device.h>
-
-#include <dev/midi_if.h>
-#include <dev/midivar.h>
-#include <dev/sequencervar.h>
-
-#ifndef splaudio
-#define splaudio() splbio()	/* XXX found in audio_if.h normally */
-#endif
-
-#define ADDTIMEVAL(a, b) ( \
-	(a)->tv_sec += (b)->tv_sec, \
-	(a)->tv_usec += (b)->tv_usec, \
-	(a)->tv_usec >= 1000000 ? ((a)->tv_sec++, (a)->tv_usec -= 1000000) : 0\
-	)
-
-#define SUBTIMEVAL(a, b) ( \
-	(a)->tv_sec -= (b)->tv_sec, \
-	(a)->tv_usec -= (b)->tv_usec, \
-	(a)->tv_usec < 0 ? ((a)->tv_sec--, (a)->tv_usec += 1000000) : 0\
-	)
-
-#ifdef AUDIO_DEBUG
-#define DPRINTF(x)	if (sequencerdebug) printf x
-#define DPRINTFN(n,x)	if (sequencerdebug >= (n)) printf x
-int	sequencerdebug = 0;
-#else
-#define DPRINTF(x)
-#define DPRINTFN(n,x)
-#endif
-
-#define SEQ_CMD(b)  ((b)->arr[0])
-
-#define SEQ_EDEV(b)  ((b)->arr[1])
-#define SEQ_ECMD(b)  ((b)->arr[2])
-#define SEQ_ECHAN(b) ((b)->arr[3])
-#define SEQ_ENOTE(b) ((b)->arr[4])
-#define SEQ_EPARM(b) ((b)->arr[5])
-
-#define SEQ_EP1(b)   ((b)->arr[4])
-#define SEQ_EP2(b)   ((b)->arr[5])
-
-#define SEQ_XCMD(b)  ((b)->arr[1])
-#define SEQ_XDEV(b)  ((b)->arr[2])
-#define SEQ_XCHAN(b) ((b)->arr[3])
-#define SEQ_XNOTE(b) ((b)->arr[4])
-#define SEQ_XVEL(b)  ((b)->arr[5])
-
-#define SEQ_TCMD(b)  ((b)->arr[1])
-#define SEQ_TPARM(b) ((b)->arr[4])
-
-#define SEQ_NOTE_MAX 128
-#define SEQ_NOTE_XXX 255
-#define SEQ_VEL_OFF 0
-
-#define RECALC_TICK(t) ((t)->tick = 60 * 1000000L / ((t)->tempo * (t)->timebase))
-
-struct sequencer_softc seqdevs[NSEQUENCER];
-
-void sequencerattach(int);
-void seq_reset(struct sequencer_softc *);
-int seq_do_command(struct sequencer_softc *, seq_event_rec *);
-int seq_do_extcommand(struct sequencer_softc *, seq_event_rec *);
-int seq_do_chnvoice(struct sequencer_softc *, seq_event_rec *);
-int seq_do_chncommon(struct sequencer_softc *, seq_event_rec *);
-int seq_do_timing(struct sequencer_softc *, seq_event_rec *);
-int seq_do_local(struct sequencer_softc *, seq_event_rec *);
-int seq_do_sysex(struct sequencer_softc *, seq_event_rec *);
-int seq_do_fullsize(struct sequencer_softc *, seq_event_rec *,
-			 struct uio *);
-int seq_timer(struct sequencer_softc *, int, int, seq_event_rec *);
-static int seq_input_event(struct sequencer_softc *, seq_event_rec *);
-int seq_drain(struct sequencer_softc *);
-void seq_startoutput(struct sequencer_softc *);
-void seq_timeout(void *);
-int seq_to_new(seq_event_rec *, struct uio *);
-static int seq_sleep_timo(int *, char *, int);
-static int seq_sleep(int *, char *);
-static void seq_wakeup(int *);
-
-struct midi_softc;
-int midiseq_out(struct midi_dev *, u_char *, u_int, int);
-struct midi_dev *midiseq_open(int, int);
-void midiseq_close(struct midi_dev *);
-void midiseq_reset(struct midi_dev *);
-int midiseq_noteon(struct midi_dev *, int, int, int);
-int midiseq_noteoff(struct midi_dev *, int, int, int);
-int midiseq_keypressure(struct midi_dev *, int, int, int);
-int midiseq_pgmchange(struct midi_dev *, int, int);
-int midiseq_chnpressure(struct midi_dev *, int, int);
-int midiseq_ctlchange(struct midi_dev *, int, int, int);
-int midiseq_pitchbend(struct midi_dev *, int, int);
-int midiseq_loadpatch(struct midi_dev *, struct sysex_info *,
-			   struct uio *);
-int midiseq_putc(struct midi_dev *, int);
-void midiseq_in(struct midi_dev *, u_char *, int);
-
-void
-sequencerattach(int n)
-{
-}
-
-int
-sequenceropen(dev_t dev, int flags, int ifmt, struct proc *p)
-{
-	int unit = SEQUENCERUNIT(dev);
-	struct sequencer_softc *sc;
-	struct midi_dev *md;
-	int nmidi;
-
-	DPRINTF(("sequenceropen\n"));
-
-	if (unit >= NSEQUENCER)
-		return (ENXIO);
-	sc = &seqdevs[unit];
-	if (sc->isopen)
-		return (EBUSY);
-	if (SEQ_IS_OLD(dev))
-		sc->mode = SEQ_OLD;
-	else
-		sc->mode = SEQ_NEW;
-	sc->isopen++;
-	sc->flags = flags & (FREAD|FWRITE);
-	sc->rchan = 0;
-	sc->wchan = 0;
-	sc->pbus = 0;
-	sc->async = 0;
-	sc->input_stamp = ~0;
-
-	sc->nmidi = 0;
-	nmidi = midi_unit_count();
-
-	sc->devs = malloc(nmidi * sizeof(struct midi_dev *),
-			  M_DEVBUF, M_WAITOK);
-	for (unit = 0; unit < nmidi; unit++) {
-		md = midiseq_open(unit, flags);
-		if (md) {
-			sc->devs[sc->nmidi++] = md;
-			md->seq = sc;
-		}
-	}
-
-	sc->timer.timebase = 100;
-	sc->timer.tempo = 60;
-	sc->doingsysex = 0;
-	RECALC_TICK(&sc->timer);
-	sc->timer.last = 0;
-	microtime(&sc->timer.start);
-
-	SEQ_QINIT(&sc->inq);
-	SEQ_QINIT(&sc->outq);
-	sc->lowat = SEQ_MAXQ / 2;
-	timeout_set(&sc->timo, seq_timeout, sc);
-
-	seq_reset(sc);
-
-	DPRINTF(("sequenceropen: mode=%d, nmidi=%d\n", sc->mode, sc->nmidi));
-	return (0);
-}
-
-static int
-seq_sleep_timo(int *chan, char *label, int timo)
-{
-	int st;
-
-	if (!label)
-		label = "seq";
-
-	DPRINTFN(5, ("seq_sleep_timo: %p %s %d\n", chan, label, timo));
-	*chan = 1;
-	st = tsleep(chan, PWAIT | PCATCH, label, timo);
-	*chan = 0;
-#ifdef MIDI_DEBUG
-	if (st != 0)
-	    printf("seq_sleep: %d\n", st);
-#endif
-	return (st);
-}
-
-static int
-seq_sleep(int *chan, char *label)
-{
-	return (seq_sleep_timo(chan, label, 0));
-}
-
-static void
-seq_wakeup(int *chan)
-{
-	if (*chan) {
-		DPRINTFN(5, ("seq_wakeup: %p\n", chan));
-		wakeup(chan);
-		*chan = 0;
-	}
-}
-
-int
-seq_drain(struct sequencer_softc *sc)
-{
-	int error;
-
-	DPRINTFN(3, ("seq_drain: %p, len=%d\n", sc, SEQ_QLEN(&sc->outq)));
-	seq_startoutput(sc);
-	error = 0;
-	while(!SEQ_QEMPTY(&sc->outq) && !error)
-		error = seq_sleep_timo(&sc->wchan, "seq_dr", 60*hz);
-	return (error);
-}
-
-void
-seq_timeout(void *addr)
-{
-	struct sequencer_softc *sc = addr;
-	DPRINTFN(4, ("seq_timeout: %p\n", sc));
-	sc->timeout = 0;
-	seq_startoutput(sc);
-	if (SEQ_QLEN(&sc->outq) < sc->lowat) {
-		seq_wakeup(&sc->wchan);
-		selwakeup(&sc->wsel);
-		if (sc->async)
-			psignal(sc->async, SIGIO);
-	}
-
-}
-
-void
-seq_startoutput(struct sequencer_softc *sc)
-{
-	struct sequencer_queue *q = &sc->outq;
-	seq_event_rec cmd;
-
-	if (sc->timeout)
-		return;
-	DPRINTFN(4, ("seq_startoutput: %p, len=%d\n", sc, SEQ_QLEN(q)));
-	while(!SEQ_QEMPTY(q) && !sc->timeout) {
-		SEQ_QGET(q, cmd);
-		seq_do_command(sc, &cmd);
-	}
-}
-
-int
-sequencerclose(dev_t dev, int flags, int ifmt, struct proc *p)
-{
-	struct sequencer_softc *sc = &seqdevs[SEQUENCERUNIT(dev)];
-	int n, s;
-
-	DPRINTF(("sequencerclose: %p\n", sc));
-
-	seq_drain(sc);
-	s = splaudio();
-	if (sc->timeout) {
-		timeout_del(&sc->timo);
-		sc->timeout = 0;
-	}
-	splx(s);
-
-	for (n = 0; n < sc->nmidi; n++)
-		midiseq_close(sc->devs[n]);
-	free(sc->devs, M_DEVBUF);
-	sc->isopen = 0;
-	return (0);
-}
-
-static int
-seq_input_event(struct sequencer_softc *sc, seq_event_rec *cmd)
-{
-	struct sequencer_queue *q = &sc->inq;
-
-	DPRINTFN(2, ("seq_input_event: %02x %02x %02x %02x %02x %02x %02x %02x\n",
-		     cmd->arr[0], cmd->arr[1], cmd->arr[2], cmd->arr[3],
-		     cmd->arr[4], cmd->arr[5], cmd->arr[6], cmd->arr[7]));
-	if (SEQ_QFULL(q))
-		return (ENOMEM);
-	SEQ_QPUT(q, *cmd);
-	seq_wakeup(&sc->rchan);
-	selwakeup(&sc->rsel);
-	if (sc->async)
-		psignal(sc->async, SIGIO);
-	return (0);
-}
-
-void
-seq_event_intr(void *addr, seq_event_rec *iev)
-{
-	struct sequencer_softc *sc = addr;
-	union {
-		u_int32_t l;
-		u_int8_t b[4];
-	} u;
-	u_long t;
-	struct timeval now;
-	seq_event_rec ev;
-
-	microtime(&now);
-	SUBTIMEVAL(&now, &sc->timer.start);
-	t = now.tv_sec * 1000000 + now.tv_usec;
-	t /= sc->timer.tick;
-	if (t != sc->input_stamp) {
-		ev.arr[0] = SEQ_TIMING;
-		ev.arr[1] = TMR_WAIT_ABS;
-		ev.arr[2] = 0;
-		ev.arr[3] = 0;
-		u.l = t;
-		ev.arr[4] = u.b[0];
-		ev.arr[5] = u.b[1];
-		ev.arr[6] = u.b[2];
-		ev.arr[7] = u.b[3];
-		seq_input_event(sc, &ev);
-		sc->input_stamp = t;
-	}
-	seq_input_event(sc, iev);
-}
-
-int
-sequencerread(dev_t dev, struct uio *uio, int ioflag)
-{
-	struct sequencer_softc *sc = &seqdevs[SEQUENCERUNIT(dev)];
-	struct sequencer_queue *q = &sc->inq;
-	seq_event_rec ev;
-	int error, s;
-
-	DPRINTFN(20, ("sequencerread: %p, count=%d, ioflag=%x\n",
-		     sc, uio->uio_resid, ioflag));
-
-	if (sc->mode == SEQ_OLD) {
-		DPRINTF(("sequencerread: old read\n"));
-		return (EINVAL); /* XXX unimplemented */
-	}
-
-	error = 0;
-	while (SEQ_QEMPTY(q)) {
-		if (ioflag & IO_NDELAY)
-			return (EWOULDBLOCK);
-		else {
-			error = seq_sleep(&sc->rchan, "seq rd");
-			if (error)
-				return (error);
-		}
-	}
-	s = splaudio();
-	while (uio->uio_resid >= sizeof ev && !error && !SEQ_QEMPTY(q)) {
-		SEQ_QGET(q, ev);
-		error = uiomove((caddr_t)&ev, sizeof ev, uio);
-	}
-	splx(s);
-	return (error);
-}
-
-int
-sequencerwrite(dev_t dev, struct uio *uio, int ioflag)
-{
-	struct sequencer_softc *sc = &seqdevs[SEQUENCERUNIT(dev)];
-	struct sequencer_queue *q = &sc->outq;
-	int error;
-	seq_event_rec cmdbuf;
-	int size;
-
-	DPRINTFN(2, ("sequencerwrite: %p, count=%d\n", sc, uio->uio_resid));
-
-	error = 0;
-	size = sc->mode == SEQ_NEW ? sizeof cmdbuf : SEQOLD_CMDSIZE;
-	while (uio->uio_resid >= size) {
-		error = uiomove((caddr_t)&cmdbuf, size, uio);
-		if (error)
-			break;
-		if (sc->mode == SEQ_OLD)
-			if (seq_to_new(&cmdbuf, uio))
-				continue;
-		if (SEQ_CMD(&cmdbuf) == SEQ_FULLSIZE) {
-			/* We do it like OSS does, asynchronously */
-			error = seq_do_fullsize(sc, &cmdbuf, uio);
-			if (error)
-				break;
-			continue;
-		}
-		while (SEQ_QFULL(q)) {
-			seq_startoutput(sc);
-			if (SEQ_QFULL(q)) {
-				if (ioflag & IO_NDELAY)
-					return (EWOULDBLOCK);
-				error = seq_sleep(&sc->wchan, "seq_wr");
-				if (error)
-					return (error);
-			}
-		}
-		SEQ_QPUT(q, cmdbuf);
-	}
-	seq_startoutput(sc);
-
-#ifdef SEQUENCER_DEBUG
-	if (error)
-		DPRINTFN(2, ("sequencerwrite: error=%d\n", error));
-#endif
-	return (error);
-}
-
-int
-sequencerioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
-{
-	struct sequencer_softc *sc = &seqdevs[SEQUENCERUNIT(dev)];
-	struct synth_info *si;
-	struct midi_dev *md;
-	int devno;
-	int error;
-	int t;
-
-	DPRINTFN(2, ("sequencerioctl: %p cmd=0x%08lx\n", sc, cmd));
-
-	error = 0;
-	switch (cmd) {
-	case FIONBIO:
-		/* All handled in the upper FS layer. */
-		break;
-
-	case FIOASYNC:
-		if (*(int *)addr) {
-			if (sc->async)
-				return (EBUSY);
-			sc->async = p;
-			DPRINTF(("sequencer_ioctl: FIOASYNC %p\n", p));
-		} else
-			sc->async = 0;
-		break;
-
-	case SEQUENCER_RESET:
-		seq_reset(sc);
-		break;
-
-	case SEQUENCER_PANIC:
-		seq_reset(sc);
-		/* Do more?  OSS doesn't */
-		break;
-
-	case SEQUENCER_SYNC:
-		if (sc->flags == FREAD)
-			return (0);
-		seq_drain(sc);
-		error = 0;
-		break;
-
-	case SEQUENCER_INFO:
-		si = (struct synth_info*)addr;
-		devno = si->device;
-		if (devno < 0 || devno >= sc->nmidi)
-			return (EINVAL);
-		md = sc->devs[devno];
-		strncpy(si->name, md->name, sizeof si->name);
-		si->synth_type = SYNTH_TYPE_MIDI;
-		si->synth_subtype = md->subtype;
-		si->nr_voices = md->nr_voices;
-		si->instr_bank_size = md->instr_bank_size;
-		si->capabilities = md->capabilities;
-		break;
-
-	case SEQUENCER_NRSYNTHS:
-		*(int *)addr = sc->nmidi;
-		break;
-
-	case SEQUENCER_NRMIDIS:
-		*(int *)addr = sc->nmidi;
-		break;
-
-	case SEQUENCER_OUTOFBAND:
-		DPRINTFN(3, ("sequencer_ioctl: OOB=%02x %02x %02x %02x %02x %02x %02x %02x\n",
-			     *(u_char *)addr, *(u_char *)(addr+1),
-			     *(u_char *)(addr+2), *(u_char *)(addr+3),
-			     *(u_char *)(addr+4), *(u_char *)(addr+5),
-			     *(u_char *)(addr+6), *(u_char *)(addr+7)));
-		error = seq_do_command(sc, (seq_event_rec *)addr);
-		break;
-
-	case SEQUENCER_TMR_TIMEBASE:
-		t = *(int *)addr;
-		if (t < 1)
-			t = 1;
-		if (t > 1000)
-			t = 1000;
-		sc->timer.timebase = t;
-		*(int *)addr = t;
-		RECALC_TICK(&sc->timer);
-		break;
-
-	case SEQUENCER_TMR_START:
-		error = seq_timer(sc, TMR_START, 0, 0);
-		break;
-
-	case SEQUENCER_TMR_STOP:
-		error = seq_timer(sc, TMR_STOP, 0, 0);
-		break;
-
-	case SEQUENCER_TMR_CONTINUE:
-		error = seq_timer(sc, TMR_CONTINUE, 0, 0);
-		break;
-
-	case SEQUENCER_TMR_TEMPO:
-		t = *(int *)addr;
-		if (t < 8)
-			t = 8;
-		if (t > 250)
-			t = 250;
-		sc->timer.tempo = t;
-		*(int *)addr = t;
-		RECALC_TICK(&sc->timer);
-		break;
-
-	case SEQUENCER_TMR_SOURCE:
-		*(int *)addr = SEQUENCER_TMR_INTERNAL;
-		break;
-
-	case SEQUENCER_TMR_METRONOME:
-		/* noop */
-		break;
-
-	case SEQUENCER_THRESHOLD:
-		t = SEQ_MAXQ - *(int *)addr / sizeof (seq_event_rec);
-		if (t < 1)
-			t = 1;
-		if (t > SEQ_MAXQ)
-			t = SEQ_MAXQ;
-		sc->lowat = t;
-		break;
-
-	case SEQUENCER_CTRLRATE:
-		*(int *)addr = (sc->timer.tempo*sc->timer.timebase + 30) / 60;
-		break;
-
-	case SEQUENCER_GETTIME:
-	{
-		struct timeval now;
-		u_long t;
-		microtime(&now);
-		SUBTIMEVAL(&now, &sc->timer.start);
-		t = now.tv_sec * 1000000 + now.tv_usec;
-		t /= sc->timer.tick;
-		*(int *)addr = t;
-		break;
-	}
-
-	default:
-		DPRINTF(("sequencer_ioctl: unimpl %08lx\n", cmd));
-		error = ENOTTY;
-		break;
-	}
-	return (error);
-}
-
-int
-sequencerpoll(dev_t dev, int events, struct proc *p)
-{
-	struct sequencer_softc *sc = &seqdevs[SEQUENCERUNIT(dev)];
-	int revents = 0;
-
-	DPRINTF(("sequencerpoll: %p rw=0x%x\n", sc, events));
-
-	if (events & (POLLIN | POLLRDNORM)) {
-		if (!SEQ_QEMPTY(&sc->inq))
-			revents |= events & (POLLIN | POLLRDNORM);
-	}
-	if (events & (POLLOUT | POLLWRNORM)) {
-		if (SEQ_QLEN(&sc->outq) < sc->lowat)
-			revents |= events & (POLLOUT | POLLWRNORM);
-	}
-	if (revents == 0) {
-		if (events & (POLLIN | POLLRDNORM))
-			selrecord(p, &sc->rsel);
-		if (events & (POLLOUT | POLLWRNORM))
-			selrecord(p, &sc->wsel);
-	}
-	return (revents);
-}
-
-int
-sequencerkqfilter(dev_t dev, struct knote *kn)
-{
-	return (ENXIO);
-}
-
-void
-seq_reset(struct sequencer_softc *sc)
-{
-	int i, chn;
-	struct midi_dev *md;
-
-	for (i = 0; i < sc->nmidi; i++) {
-		md = sc->devs[i];
-		midiseq_reset(md);
-		for (chn = 0; chn < MAXCHAN; chn++) {
-			midiseq_ctlchange(md, chn, MIDI_CTRL_ALLOFF, 0);
-			midiseq_ctlchange(md, chn, MIDI_CTRL_RESET, 0);
-			midiseq_pitchbend(md, chn, MIDI_BEND_NEUTRAL);
-		}
-	}
-}
-
-int
-seq_do_command(struct sequencer_softc *sc, seq_event_rec *b)
-{
-	int dev;
-
-	DPRINTFN(4, ("seq_do_command: %p cmd=0x%02x\n", sc, SEQ_CMD(b)));
-
-	switch(SEQ_CMD(b)) {
-	case SEQ_LOCAL:
-		return (seq_do_local(sc, b));
-	case SEQ_TIMING:
-		return (seq_do_timing(sc, b));
-	case SEQ_CHN_VOICE:
-		return (seq_do_chnvoice(sc, b));
-	case SEQ_CHN_COMMON:
-		return (seq_do_chncommon(sc, b));
-	case SEQ_SYSEX:
-		return (seq_do_sysex(sc, b));
-	/* COMPAT */
-	case SEQOLD_MIDIPUTC:
-		dev = b->arr[2];
-		if (dev < 0 || dev >= sc->nmidi)
-			return (ENXIO);
-		return (midiseq_putc(sc->devs[dev], b->arr[1]));
-	default:
-		DPRINTF(("seq_do_command: unimpl command %02x\n",
-			     SEQ_CMD(b)));
-		return (EINVAL);
-	}
-}
-
-int
-seq_do_chnvoice(struct sequencer_softc *sc, seq_event_rec *b)
-{
-	int cmd, dev, chan, note, parm, voice;
-	int error;
-	struct midi_dev *md;
-
-	dev = SEQ_EDEV(b);
-	if (dev < 0 || dev >= sc->nmidi)
-		return (ENXIO);
-	md = sc->devs[dev];
-	cmd = SEQ_ECMD(b);
-	chan = SEQ_ECHAN(b);
-	note = SEQ_ENOTE(b);
-	parm = SEQ_EPARM(b);
-	DPRINTFN(2,("seq_do_chnvoice: cmd=%02x dev=%d chan=%d note=%d parm=%d\n",
-		    cmd, dev, chan, note, parm));
-	voice = chan;
-	if (cmd == MIDI_NOTEON && parm == 0) {
-		cmd = MIDI_NOTEOFF;
-		parm = MIDI_HALF_VEL;
-	}
-	switch(cmd) {
-	case MIDI_NOTEON:
-		DPRINTFN(5, ("seq_do_chnvoice: noteon %p %d %d %d\n",
-			     md, voice, note, parm));
-		error = midiseq_noteon(md, voice, note, parm);
-		break;
-	case MIDI_NOTEOFF:
-		error = midiseq_noteoff(md, voice, note, parm);
-		break;
-	case MIDI_KEY_PRESSURE:
-		error = midiseq_keypressure(md, voice, note, parm);
-		break;
-	default:
-		DPRINTF(("seq_do_chnvoice: unimpl command %02x\n", cmd));
-		error = EINVAL;
-		break;
-	}
-	return (error);
-}
-
-int
-seq_do_chncommon(struct sequencer_softc *sc, seq_event_rec *b)
-{
-	int cmd, dev, chan, p1, w14;
-	int error;
-	struct midi_dev *md;
-	union {
-		int16_t s;
-		u_int8_t b[2];
-	} u;
-
-	dev = SEQ_EDEV(b);
-	if (dev < 0 || dev >= sc->nmidi)
-		return (ENXIO);
-	md = sc->devs[dev];
-	cmd = SEQ_ECMD(b);
-	chan = SEQ_ECHAN(b);
-	p1 = SEQ_EP1(b);
-	u.b[0] = b->arr[6];
-	u.b[1] = b->arr[7];
-	w14 = u.s;
-	DPRINTFN(2,("seq_do_chncommon: %02x\n", cmd));
-
-	error = 0;
-	switch(cmd) {
-	case MIDI_PGM_CHANGE:
-		error = midiseq_pgmchange(md, chan, p1);
-		break;
-	case MIDI_CTL_CHANGE:
-		if (chan > 15 || p1 > 127)
-			return (0); /* EINVAL */
-		error = midiseq_ctlchange(md, chan, p1, w14);
-		break;
-	case MIDI_PITCH_BEND:
-		error = midiseq_pitchbend(md, chan, w14);
-		break;
-	case MIDI_CHN_PRESSURE:
-		error = midiseq_chnpressure(md, chan, p1);
-		break;
-	default:
-		DPRINTF(("seq_do_chncommon: unimpl command %02x\n", cmd));
-		error = EINVAL;
-		break;
-	}
-	return (error);
-}
-
-int
-seq_do_timing(struct sequencer_softc *sc, seq_event_rec *b)
-{
-	union {
-		int32_t i;
-		u_int8_t b[4];
-	} u;
-
-	u.b[0] = b->arr[4];
-	u.b[1] = b->arr[5];
-	u.b[2] = b->arr[6];
-	u.b[3] = b->arr[7];
-	return (seq_timer(sc, SEQ_TCMD(b), u.i, b));
-}
-
-int
-seq_do_local(struct sequencer_softc *sc, seq_event_rec *b)
-{
-	return (EINVAL);
-}
-
-int
-seq_do_sysex(struct sequencer_softc *sc, seq_event_rec *b)
-{
-	int dev, i;
-	struct midi_dev *md;
-	u_int8_t c, *buf = &b->arr[2];
-
-	dev = SEQ_EDEV(b);
-	if (dev < 0 || dev >= sc->nmidi)
-		return (ENXIO);
-	DPRINTF(("seq_do_sysex: dev=%d\n", dev));
-	md = sc->devs[dev];
-
-	if (!sc->doingsysex) {
-		c = MIDI_SYSEX_START;
-		midiseq_out(md, &c, 1, 0);
-		sc->doingsysex = 1;
-	}
-
-	for (i = 0; i < 6 && buf[i] != 0xff; i++)
-		;
-	midiseq_out(md, buf, i, 0);
-	if (i < 6 || (i > 0 && buf[i-1] == MIDI_SYSEX_END))
-		sc->doingsysex = 0;
-	return (0);
-}
-
-int
-seq_timer(struct sequencer_softc *sc, int cmd, int parm, seq_event_rec *b)
-{
-	struct syn_timer *t = &sc->timer;
-	struct timeval when;
-	int ticks;
-	int error;
-	long long usec;
-
-	DPRINTFN(2,("seq_timer: %02x %d\n", cmd, parm));
-
-	error = 0;
-	switch(cmd) {
-	case TMR_WAIT_REL:
-		parm += t->last;
-		/* FALLTHROUGH */
-	case TMR_WAIT_ABS:
-		t->last = parm;
-		usec = (long long)parm * (long long)t->tick; /* convert to usec */
-		when.tv_sec = usec / 1000000;
-		when.tv_usec = usec % 1000000;
-		DPRINTFN(4, ("seq_timer: parm=%d, sleep when=%ld.%06ld", parm,
-			     when.tv_sec, when.tv_usec));
-		ADDTIMEVAL(&when, &t->start); /* abstime for end */
-		ticks = hzto(&when);
-		DPRINTFN(4, (" when+start=%ld.%06ld, ticks=%d\n",
-			     when.tv_sec, when.tv_usec, ticks));
-		if (ticks > 0) {
-#ifdef DIAGNOSTIC
-			if (ticks > 20 * hz) {
-				/* Waiting more than 20s */
-				printf("seq_timer: funny ticks=%d, usec=%lld, parm=%d, tick=%ld\n",
-				       ticks, usec, parm, t->tick);
-			}
-#endif
-			sc->timeout = 1;
-			timeout_add(&sc->timo, ticks);
-		}
-#ifdef SEQUENCER_DEBUG
-		else if (ticks < 0)
-			DPRINTF(("seq_timer: ticks = %d\n", ticks));
-#endif
-		break;
-	case TMR_START:
-		microtime(&t->start);
-		t->running = 1;
-		break;
-	case TMR_STOP:
-		microtime(&t->stop);
-		t->running = 0;
-		break;
-	case TMR_CONTINUE:
-		microtime(&when);
-		SUBTIMEVAL(&when, &t->stop);
-		ADDTIMEVAL(&t->start, &when);
-		t->running = 1;
-		break;
-	case TMR_TEMPO:
-		/* parm is ticks per minute / timebase */
-		if (parm < 8)
-			parm = 8;
-		if (parm > 360)
-			parm = 360;
-		t->tempo = parm;
-		RECALC_TICK(t);
-		break;
-	case TMR_ECHO:
-		error = seq_input_event(sc, b);
-		break;
-	case TMR_RESET:
-		t->last = 0;
-		microtime(&t->start);
-		break;
-	default:
-		DPRINTF(("seq_timer: unknown %02x\n", cmd));
-		error = EINVAL;
-		break;
-	}
-	return (error);
-}
-
-int
-seq_do_fullsize(struct sequencer_softc *sc, seq_event_rec *b, struct uio *uio)
-{
-	struct sysex_info sysex;
-	u_int dev;
-
-#ifdef DIAGNOSTIC
-	if (sizeof(seq_event_rec) != SEQ_SYSEX_HDRSIZE) {
-		printf("seq_do_fullsize: sysex size ??\n");
-		return (EINVAL);
-	}
-#endif
-	memcpy(&sysex, b, sizeof sysex);
-	dev = sysex.device_no;
-	DPRINTFN(2, ("seq_do_fullsize: fmt=%04x, dev=%d, len=%d\n",
-		     sysex.key, dev, sysex.len));
-	return (midiseq_loadpatch(sc->devs[dev], &sysex, uio));
-}
-
-/* Convert an old sequencer event to a new one. */
-int
-seq_to_new(seq_event_rec *ev, struct uio *uio)
-{
-	int cmd, chan, note, parm;
-	u_int32_t delay;
-	int error;
-
-	cmd = SEQ_CMD(ev);
-	chan = ev->arr[1];
-	note = ev->arr[2];
-	parm = ev->arr[3];
-	DPRINTFN(3, ("seq_to_new: 0x%02x %d %d %d\n", cmd, chan, note, parm));
-
-	if (cmd >= 0x80) {
-		/* Fill the event record */
-		if (uio->uio_resid >= sizeof *ev - SEQOLD_CMDSIZE) {
-			error = uiomove(&ev->arr[SEQOLD_CMDSIZE],
-					sizeof *ev - SEQOLD_CMDSIZE, uio);
-			if (error)
-				return (error);
-		} else
-			return (EINVAL);
-	}
-
-	switch(cmd) {
-	case SEQOLD_NOTEOFF:
-		note = 255;
-		SEQ_ECMD(ev) = MIDI_NOTEOFF;
-		goto onoff;
-	case SEQOLD_NOTEON:
-		SEQ_ECMD(ev) = MIDI_NOTEON;
-	onoff:
-		SEQ_CMD(ev) = SEQ_CHN_VOICE;
-		SEQ_EDEV(ev) = 0;
-		SEQ_ECHAN(ev) = chan;
-		SEQ_ENOTE(ev) = note;
-		SEQ_EPARM(ev) = parm;
-		break;
-	case SEQOLD_WAIT:
-		delay = *(u_int32_t *)ev->arr >> 8;
-		SEQ_CMD(ev) = SEQ_TIMING;
-		SEQ_TCMD(ev) = TMR_WAIT_REL;
-		*(u_int32_t *)&ev->arr[4] = delay;
-		break;
-	case SEQOLD_SYNCTIMER:
-		SEQ_CMD(ev) = SEQ_TIMING;
-		SEQ_TCMD(ev) = TMR_RESET;
-		break;
-	case SEQOLD_PGMCHANGE:
-		SEQ_ECMD(ev) = MIDI_PGM_CHANGE;
-		SEQ_CMD(ev) = SEQ_CHN_COMMON;
-		SEQ_EDEV(ev) = 0;
-		SEQ_ECHAN(ev) = chan;
-		SEQ_EP1(ev) = note;
-		break;
-	case SEQOLD_MIDIPUTC:
-		break;		/* interpret in normal mode */
-	case SEQOLD_ECHO:
-	case SEQOLD_PRIVATE:
-	case SEQOLD_EXTENDED:
-	default:
-		DPRINTF(("seq_to_new: not impl 0x%02x\n", cmd));
-		return (EINVAL);
-	/* In case new events show up */
-	case SEQ_TIMING:
-	case SEQ_CHN_VOICE:
-	case SEQ_CHN_COMMON:
-	case SEQ_FULLSIZE:
-		break;
-	}
-	return (0);
-}
-
-/**********************************************/
-
-void
-midiseq_in(struct midi_dev *md, u_char *msg, int len)
-{
-	int unit = md->unit;
-	seq_event_rec ev;
-	int status, chan;
-
-	DPRINTFN(2, ("midiseq_in: %p %02x %02x %02x\n",
-		     md, msg[0], msg[1], msg[2]));
-
-	status = MIDI_GET_STATUS(msg[0]);
-	chan = MIDI_GET_CHAN(msg[0]);
-	switch (status) {
-	case MIDI_NOTEON:
-		if (msg[2] == 0) {
-			status = MIDI_NOTEOFF;
-			msg[2] = MIDI_HALF_VEL;
-		}
-		/* FALLTHROUGH */
-	case MIDI_NOTEOFF:
-	case MIDI_KEY_PRESSURE:
-		SEQ_MK_CHN_VOICE(&ev, unit, status, chan, msg[1], msg[2]);
-		break;
-	case MIDI_CTL_CHANGE:
-		SEQ_MK_CHN_COMMON(&ev, unit, status, chan, msg[1], 0, msg[2]);
-		break;
-	case MIDI_PGM_CHANGE:
-	case MIDI_CHN_PRESSURE:
-		SEQ_MK_CHN_COMMON(&ev, unit, status, chan, msg[1], 0, 0);
-		break;
-	case MIDI_PITCH_BEND:
-		SEQ_MK_CHN_COMMON(&ev, unit, status, chan, 0, 0,
-				  (msg[1] & 0x7f) | ((msg[2] & 0x7f) << 7));
-		break;
-	default:
-		return;
-	}
-	seq_event_intr(md->seq, &ev);
-}
-
-struct midi_dev *
-midiseq_open(int unit, int flags)
-{
-	extern struct cfdriver midi_cd;
-	int error;
-	struct midi_dev *md;
-	struct midi_softc *sc;
-	struct midi_info mi;
-
-	DPRINTFN(2, ("midiseq_open: %d %d\n", unit, flags));
-	error = midiopen(makedev(0, unit), flags, 0, 0);
-	if (error)
-		return (0);
-	sc = midi_cd.cd_devs[unit];
-	sc->seqopen = 1;
-	md = malloc(sizeof *md, M_DEVBUF, M_WAITOK | M_ZERO);
-	sc->seq_md = md;
-	md->msc = sc;
-	midi_getinfo(makedev(0, unit), &mi);
-	md->unit = unit;
-	md->name = mi.name;
-	md->subtype = 0;
-	md->nr_voices = 128;	/* XXX */
-	md->instr_bank_size = 128; /* XXX */
-	if (mi.props & MIDI_PROP_CAN_INPUT)
-		md->capabilities |= SYNTH_CAP_INPUT;
-	return (md);
-}
-
-void
-midiseq_close(struct midi_dev *md)
-{
-	DPRINTFN(2, ("midiseq_close: %d\n", md->unit));
-	midiclose(makedev(0, md->unit), 0, 0, 0);
-	free(md, M_DEVBUF);
-}
-
-void
-midiseq_reset(struct midi_dev *md)
-{
-	/* XXX send GM reset? */
-	DPRINTFN(3, ("midiseq_reset: %d\n", md->unit));
-}
-
-int
-midiseq_out(struct midi_dev *md, u_char *buf, u_int cc, int chk)
-{
-	DPRINTFN(5, ("midiseq_out: m=%p, unit=%d, buf[0]=0x%02x, cc=%d\n",
-		     md->msc, md->unit, buf[0], cc));
-
-	/* The MIDI "status" byte does not have to be repeated. */
-	if (chk && md->last_cmd == buf[0])
-		buf++, cc--;
-	else
-		md->last_cmd = buf[0];
-	return (midi_writebytes(md->unit, buf, cc));
-}
-
-int
-midiseq_noteon(struct midi_dev *md, int chan, int note, int vel)
-{
-	u_char buf[3];
-
-	DPRINTFN(6, ("midiseq_noteon 0x%02x %d %d\n",
-		     MIDI_NOTEON | chan, note, vel));
-	if (chan < 0 || chan > 15 ||
-	    note < 0 || note > 127)
-		return (EINVAL);
-	if (vel < 0) vel = 0;
-	if (vel > 127) vel = 127;
-	buf[0] = MIDI_NOTEON | chan;
-	buf[1] = note;
-	buf[2] = vel;
-	return (midiseq_out(md, buf, 3, 1));
-}
-
-int
-midiseq_noteoff(struct midi_dev *md, int chan, int note, int vel)
-{
-	u_char buf[3];
-
-	if (chan < 0 || chan > 15 ||
-	    note < 0 || note > 127)
-		return (EINVAL);
-	if (vel < 0) vel = 0;
-	if (vel > 127) vel = 127;
-	buf[0] = MIDI_NOTEOFF | chan;
-	buf[1] = note;
-	buf[2] = vel;
-	return (midiseq_out(md, buf, 3, 1));
-}
-
-int
-midiseq_keypressure(struct midi_dev *md, int chan, int note, int vel)
-{
-	u_char buf[3];
-
-	if (chan < 0 || chan > 15 ||
-	    note < 0 || note > 127)
-		return (EINVAL);
-	if (vel < 0) vel = 0;
-	if (vel > 127) vel = 127;
-	buf[0] = MIDI_KEY_PRESSURE | chan;
-	buf[1] = note;
-	buf[2] = vel;
-	return (midiseq_out(md, buf, 3, 1));
-}
-
-int
-midiseq_pgmchange(struct midi_dev *md, int chan, int parm)
-{
-	u_char buf[2];
-
-	if (chan < 0 || chan > 15 ||
-	    parm < 0 || parm > 127)
-		return (EINVAL);
-	buf[0] = MIDI_PGM_CHANGE | chan;
-	buf[1] = parm;
-	return (midiseq_out(md, buf, 2, 1));
-}
-
-int
-midiseq_chnpressure(struct midi_dev *md, int chan, int parm)
-{
-	u_char buf[2];
-
-	if (chan < 0 || chan > 15 ||
-	    parm < 0 || parm > 127)
-		return (EINVAL);
-	buf[0] = MIDI_CHN_PRESSURE | chan;
-	buf[1] = parm;
-	return (midiseq_out(md, buf, 2, 1));
-}
-
-int
-midiseq_ctlchange(struct midi_dev *md, int chan, int parm, int w14)
-{
-	u_char buf[3];
-
-	if (chan < 0 || chan > 15 ||
-	    parm < 0 || parm > 127)
-		return (EINVAL);
-	buf[0] = MIDI_CTL_CHANGE | chan;
-	buf[1] = parm;
-	buf[2] = w14 & 0x7f;
-	return (midiseq_out(md, buf, 3, 1));
-}
-
-int
-midiseq_pitchbend(struct midi_dev *md, int chan, int parm)
-{
-	u_char buf[3];
-
-	if (chan < 0 || chan > 15)
-		return (EINVAL);
-	buf[0] = MIDI_PITCH_BEND | chan;
-	buf[1] = parm & 0x7f;
-	buf[2] = (parm >> 7) & 0x7f;
-	return (midiseq_out(md, buf, 3, 1));
-}
-
-int
-midiseq_loadpatch(struct midi_dev *md, struct sysex_info *sysex, struct uio *uio)
-{
-	u_char c, buf[128];
-	int i, cc, error;
-
-	if (sysex->key != SEQ_SYSEX_PATCH) {
-		DPRINTF(("midiseq_loadpatch: bad patch key 0x%04x\n",
-			     sysex->key));
-		return (EINVAL);
-	}
-	if (uio->uio_resid < sysex->len)
-		/* adjust length, should be an error */
-		sysex->len = uio->uio_resid;
-
-	DPRINTFN(2, ("midiseq_loadpatch: len=%d\n", sysex->len));
-	if (sysex->len == 0)
-		return (EINVAL);
-	error = uiomove(&c, 1, uio);
-	if (error)
-		return error;
-	if (c != MIDI_SYSEX_START)		/* must start like this */
-		return (EINVAL);
-	error = midiseq_out(md, &c, 1, 0);
-	if (error)
-		return (error);
-	--sysex->len;
-	while (sysex->len > 0) {
-		cc = sysex->len;
-		if (cc > sizeof buf)
-			cc = sizeof buf;
-		error = uiomove(buf, cc, uio);
-		if (error)
-			break;
-		for(i = 0; i < cc && !MIDI_IS_STATUS(buf[i]); i++)
-			;
-		error = midiseq_out(md, buf, i, 0);
-		if (error)
-			break;
-		sysex->len -= i;
-		if (i != cc)
-			break;
-	}
-	/* Any leftover data in uio is rubbish;
-	 * the SYSEX should be one write ending in SYSEX_END.
-	 */
-	uio->uio_resid = 0;
-	c = MIDI_SYSEX_END;
-	return (midiseq_out(md, &c, 1, 0));
-}
-
-int
-midiseq_putc(struct midi_dev *md, int data)
-{
-	u_char c = data;
-	DPRINTFN(4,("midiseq_putc: 0x%02x\n", data));
-	return (midiseq_out(md, &c, 1, 0));
-}
-
-#include "midi.h"
-#if NMIDI == 0
-/*
- * If someone has a sequencer, but no midi devices there will
- * be unresolved references, so we provide little stubs.
- */
-
-int
-midi_unit_count(void)
-{
-	return (0);
-}
-
-int
-midiopen(dev_t dev, int flags, int ifmt, struct proc *p)
-{
-	return (ENXIO);
-}
-
-struct cfdriver midi_cd;
-
-void
-midi_getinfo(dev_t dev, struct midi_info *mi)
-{
-}
-
-int
-midiclose(dev_t dev, int flags, int ifmt, struct proc *p)
-{
-	return (ENXIO);
-}
-
-int
-midi_writebytes(int unit, u_char *buf, int cc)
-{
-	return (ENXIO);
-}
-#endif /* NMIDI == 0 */
diff --git a/sys/dev/sequencervar.h b/sys/dev/sequencervar.h
deleted file mode 100644
index cfa0231021a..00000000000
--- a/sys/dev/sequencervar.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*	$OpenBSD: sequencervar.h,v 1.4 2008/06/26 05:42:14 ray Exp $	*/
-/*	$NetBSD: sequencervar.h,v 1.5 1998/11/25 22:17:07 augustss Exp $	*/
-
-/*
- * Copyright (c) 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Lennart Augustsson (augustss@netbsd.org).
- *
- * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- */
-
-struct midi_softc;
-
-struct syn_timer {
-	struct	timeval start, stop;
-	int	tempo, timebase;
-	u_long	last;
-	u_long	tick;
-	int	running;
-};
-
-#define SEQ_MAXQ 256
-struct sequencer_queue {
-	seq_event_rec buf[SEQ_MAXQ];
-	u_int	in;		/* input index in buf */
-	u_int	out;		/* output index in buf */
-	u_int	count;		/* filled slots in buf */
-};
-#define SEQ_QINIT(q) ((q)->in = (q)->out = (q)->count = 0)
-#define SEQ_QEMPTY(q) ((q)->count == 0)
-#define SEQ_QFULL(q) ((q)->count >= SEQ_MAXQ)
-#define SEQ_QPUT(q, e) ((q)->buf[(q)->in++] = (e), (q)->in %= SEQ_MAXQ, (q)->count++)
-#define SEQ_QGET(q, e) ((e) = (q)->buf[(q)->out++], (q)->out %= SEQ_MAXQ, (q)->count--)
-#define SEQ_QLEN(q) ((q)->count)
-
-struct sequencer_softc;
-
-#define MAXCHAN 16
-struct midi_dev {
-	char	*name;
-	int	subtype;
-	int	capabilities;
-	int	nr_voices;
-	int	instr_bank_size;
-	int	unit;
-	u_char	last_cmd;
-	struct	sequencer_softc *seq;
-	struct	midi_softc *msc;
-};
-
-struct sequencer_softc {
-	struct	device dev;
-	struct	device *sc_dev;	/* Hardware device struct */
-	int	isopen;		/* Open indicator */
-	int	flags;		/* Open flags */
-	int	mode;
-#define SEQ_OLD 0
-#define SEQ_NEW 1
-	int	rchan, wchan;
-	int	pbus;
-	struct	selinfo wsel;	/* write selector */
-	struct	selinfo rsel;	/* read selector */
-	struct	proc *async;	/* process who wants audio SIGIO */
-	struct	timeout timo;	/* timeout handle */
-
-	char	doingsysex;	/* doing a SEQ_SYSEX */
-
-	int	nmidi;		/* number of MIDI devices */
-	struct	midi_dev **devs;
-	struct	syn_timer timer;
-
-	struct	sequencer_queue outq; /* output event queue */
-	u_int	lowat;		/* output queue low water mark */
-	char	timeout;	/* timeout has been set */
-
-	struct	sequencer_queue inq; /* input event queue */
-	u_long	input_stamp;
-};
-
-void seq_event_intr(void *, seq_event_rec *);
-
-#define SEQUENCERUNIT(d) ((d) & 0x7f)
-#define SEQ_IS_OLD(d) ((d) & 0x80)
-