kill mcd dead. ok krw matthew millert thib

1 files changed, 0 insertions, 1766 deletions

diff --git a/sys/dev/isa/mcd.c b/sys/dev/isa/mcd.c
deleted file mode 100644
index da257b68cdc..00000000000
--- a/sys/dev/isa/mcd.c
+++ /dev/null
@@ -1,1766 +0,0 @@
-/*	$OpenBSD: mcd.c,v 1.60 2011/06/20 08:47:59 matthew Exp $ */
-/*	$NetBSD: mcd.c,v 1.60 1998/01/14 12:14:41 drochner Exp $	*/
-
-/*
- * Copyright (c) 1993, 1994, 1995 Charles M. Hannum.  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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by Charles M. Hannum.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * Copyright 1993 by Holger Veit (data part)
- * Copyright 1993 by Brian Moore (audio part)
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This software was developed by Holger Veit and Brian Moore
- *      for use with "386BSD" and similar operating systems.
- *    "Similar operating systems" includes mainly non-profit oriented
- *    systems for research and education, including but not restricted to
- *    "NetBSD", "FreeBSD", "Mach" (by CMU).
- * 4. Neither the name of the developer(s) nor the name "386BSD"
- *    may be used to endorse or promote products derived from this
- *    software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``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 DEVELOPER(S) 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.
- */
-
-/*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/conf.h>
-#include <sys/file.h>
-#include <sys/malloc.h>
-#include <sys/buf.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-#include <sys/ioctl.h>
-#include <sys/dkio.h>
-#include <sys/mtio.h>
-#include <sys/cdio.h>
-#include <sys/errno.h>
-#include <sys/disklabel.h>
-#include <sys/device.h>
-#include <sys/disk.h>
-#include <sys/timeout.h>
-
-#include <machine/cpu.h>
-#include <machine/intr.h>
-#include <machine/bus.h>
-
-#include <dev/isa/isavar.h>
-#include <dev/isa/mcdreg.h>
-#include <dev/isa/opti.h>
-
-#ifndef MCDDEBUG
-#define MCD_TRACE(fmt,a,b,c,d)
-#else
-#define MCD_TRACE(fmt,a,b,c,d)	{if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}}
-#endif
-
-/* toc */
-#define MCD_MAXTOCS	104	/* from the Linux driver */
-
-struct mcd_mbx {
-	int		retry, count;
-	struct buf	*bp;
-	daddr64_t		blkno;
-	int		nblk;
-	int		sz;
-	u_long		skip;
-	int		state;
-#define	MCD_S_IDLE	0
-#define MCD_S_BEGIN	1
-#define MCD_S_WAITMODE	2
-#define MCD_S_WAITREAD	3
-	int		mode;
-};
-
-struct mcd_softc {
-	struct	device sc_dev;
-	struct	disk sc_dk;
-	void *sc_ih;
-	struct timeout sc_pi_tmo;
-
-	bus_space_tag_t		sc_iot;
-	bus_space_handle_t	sc_ioh;
-
-	int	irq, drq;
-
-	char	*type;
-	int	flags;
-#define	MCDF_LOADED	0x10	/* parameters loaded */
-#define	MCDF_EJECTING	0x20	/* please eject at close */
-	short	status;
-	short	audio_status;
-	int	blksize;
-	u_long	disksize;
-	struct	mcd_volinfo volinfo;
-	union	mcd_qchninfo toc[MCD_MAXTOCS];
-	struct	mcd_command lastpb;
-	struct	mcd_mbx mbx;
-	int	lastmode;
-#define	MCD_MD_UNKNOWN	-1
-	int	lastupc;
-#define	MCD_UPC_UNKNOWN	-1
-	struct	buf buf_queue;
-	u_char	readcmd;
-	u_char	debug;
-	u_char	probe;
-};
-
-/* prototypes */
-/* XXX does not belong here */
-cdev_decl(mcd);
-bdev_decl(mcd);
-
-u_int8_t const __bcd2bin[] = {
-	0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 0, 0, 0, 0, 0, 0,
-	10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 0, 0, 0, 0, 0,
-	20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 0, 0, 0, 0, 0, 0,
-	30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 0, 0, 0, 0, 0, 0,
-	40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 0, 0, 0, 0, 0, 0,
-	50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 0, 0, 0, 0, 0, 0,
-	60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 0, 0, 0, 0, 0, 0,
-	70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 0, 0, 0, 0, 0, 0,
-	80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 0, 0, 0, 0, 0, 0,
-	90, 91, 92, 93, 94, 95, 96, 97, 98, 99
-};
-
-u_int8_t const __bin2bcd[] = {
-	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
-	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
-	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29,
-	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
-	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
-	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
-	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
-	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
-	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
-	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99
-};
-#define	bcd2bin(b)	(__bcd2bin[(b)&0xff])
-#define	bin2bcd(b)	(__bin2bcd[(b)&0xff])
-
-static void hsg2msf(int, bcd_t *);
-static daddr64_t msf2hsg(bcd_t *, int);
-
-int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *);
-int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *);
-int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *);
-int mcd_stop(struct mcd_softc *);
-int mcd_eject(struct mcd_softc *);
-int mcd_read_subchannel(struct mcd_softc *, struct ioc_read_subchannel *);
-int mcd_pause(struct mcd_softc *);
-int mcd_resume(struct mcd_softc *);
-int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *);
-int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *);
-
-int mcd_getreply(struct mcd_softc *);
-int mcd_getstat(struct mcd_softc *);
-int mcd_getresult(struct mcd_softc *, struct mcd_result *);
-void mcd_setflags(struct mcd_softc *);
-int mcd_get(struct mcd_softc *, char *, int);
-int mcd_send(struct mcd_softc *, struct mcd_mbox *, int);
-int mcdintr(void *);
-void mcd_soft_reset(struct mcd_softc *);
-int mcd_hard_reset(struct mcd_softc *);
-int mcd_setmode(struct mcd_softc *, int);
-int mcd_setupc(struct mcd_softc *, int);
-int mcd_read_toc(struct mcd_softc *);
-int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int);
-int mcd_setlock(struct mcd_softc *, int);
-
-int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *);
-int mcdprobe(struct device *, void *, void *);
-void mcdattach(struct device *, struct device *, void *);
-
-struct cfattach mcd_ca = {
-	sizeof(struct mcd_softc), mcdprobe, mcdattach
-};
-
-struct cfdriver mcd_cd = {
-	NULL, "mcd", DV_DISK
-};
-
-int	mcdgetdisklabel(dev_t, struct mcd_softc *, struct disklabel *, int);
-int	mcd_get_parms(struct mcd_softc *);
-void	mcdstrategy(struct buf *);
-void	mcdstart(struct mcd_softc *);
-void	mcd_pseudointr(void *);
-
-#define MCD_RETRIES	3
-#define MCD_RDRETRIES	3
-
-/* several delays */
-#define RDELAY_WAITMODE	300
-#define RDELAY_WAITREAD	800
-
-#define	DELAY_GRANULARITY	25	/* 25us */
-#define DELAY_GETREPLY		100000	/* 100000 * 25us */
-
-void
-mcdattach(parent, self, aux)
-	struct device *parent, *self;
-	void *aux;
-{
-	struct mcd_softc *sc = (void *)self;
-	struct isa_attach_args *ia = aux;
-	bus_space_tag_t iot = ia->ia_iot;
-	bus_space_handle_t ioh;
-	struct mcd_mbox mbx;
-
-	/* Map i/o space */
-	if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) {
-		printf(": can't map i/o space\n");
-		return;
-	}
-
-	sc->sc_iot = iot;
-	sc->sc_ioh = ioh;
-
-	sc->probe = 0;
-	sc->debug = 0;
-
-	if (!mcd_find(iot, ioh, sc)) {
-		printf(": mcd_find failed\n");
-		return;
-	}
-
-	timeout_set(&sc->sc_pi_tmo, mcd_pseudointr, sc);
-
-	/*
-	 * Initialize and attach the disk structure.
-	 */
-	sc->sc_dk.dk_name = sc->sc_dev.dv_xname;
-	disk_attach(&sc->sc_dev, &sc->sc_dk);
-
-	printf(": model %s\n", sc->type != 0 ? sc->type : "unknown");
-
-	(void) mcd_setlock(sc, MCD_LK_UNLOCK);
-
-	mbx.cmd.opcode = MCD_CMDCONFIGDRIVE;
-	mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1;
-	mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE;
-	mbx.cmd.data.config.data1 = 0x01;
-	mbx.res.length = 0;
-	(void) mcd_send(sc, &mbx, 0);
-
-	mcd_soft_reset(sc);
-
-	sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
-	    IPL_BIO, mcdintr, sc, sc->sc_dev.dv_xname);
-}
-
-int
-mcdopen(dev, flag, fmt, p)
-	dev_t dev;
-	int flag, fmt;
-	struct proc *p;
-{
-	int error;
-	int unit, part;
-	struct mcd_softc *sc;
-
-	unit = DISKUNIT(dev);
-	if (unit >= mcd_cd.cd_ndevs)
-		return ENXIO;
-	sc = mcd_cd.cd_devs[unit];
-	if (!sc)
-		return ENXIO;
-
-	if ((error = disk_lock(&sc->sc_dk)) != 0)
-		return error;
-
-	if (sc->sc_dk.dk_openmask != 0) {
-		/*
-		 * If any partition is open, but the disk has been invalidated,
-		 * disallow further opens.
-		 */
-		if ((sc->flags & MCDF_LOADED) == 0) {
-			error = EIO;
-			goto bad3;
-		}
-	} else {
-		/*
-		 * Lock the drawer.  This will also notice any pending disk
-		 * change or door open indicator and clear the MCDF_LOADED bit
-		 * if necessary.
-		 */
-		(void) mcd_setlock(sc, MCD_LK_LOCK);
-
-		if ((sc->flags & MCDF_LOADED) == 0) {
-			/* Partially reset the state. */
-			sc->lastmode = MCD_MD_UNKNOWN;
-			sc->lastupc = MCD_UPC_UNKNOWN;
-
-			sc->flags |= MCDF_LOADED;
-
-			/* Set the mode, causing the disk to spin up. */
-			if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-				goto bad2;
-
-			/* Load the physical device parameters. */
-			if (mcd_get_parms(sc) != 0) {
-				error = ENXIO;
-				goto bad2;
-			}
-
-			/* Read the table of contents. */
-			if ((error = mcd_read_toc(sc)) != 0)
-				goto bad2;
-
-			/* Fabricate a disk label. */
-			mcdgetdisklabel(dev, sc, sc->sc_dk.dk_label, 0);
-		}
-	}
-
-	MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part,
-	    sc->disksize, sc->blksize, 0);
-
-	part = DISKPART(dev);
-	
-	/* Check that the partition exists. */
-	if (part != RAW_PART &&
-	    (part >= sc->sc_dk.dk_label->d_npartitions ||
-	     sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) {
-		error = ENXIO;
-		goto bad;
-	}
-
-	/* Insure only one open at a time. */
-	switch (fmt) {
-	case S_IFCHR:
-		sc->sc_dk.dk_copenmask |= (1 << part);
-		break;
-	case S_IFBLK:
-		sc->sc_dk.dk_bopenmask |= (1 << part);
-		break;
-	}
-	sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
-
-	disk_unlock(&sc->sc_dk);
-	return 0;
-
-bad2:
-	sc->flags &= ~MCDF_LOADED;
-
-bad:
-	if (sc->sc_dk.dk_openmask == 0) {
-#if 0
-		(void) mcd_setmode(sc, MCD_MD_SLEEP);
-#endif
-		(void) mcd_setlock(sc, MCD_LK_UNLOCK);
-	}
-
-bad3:
-	disk_unlock(&sc->sc_dk);
-	return error;
-}
-
-int
-mcdclose(dev, flag, fmt, p)
-	dev_t dev;
-	int flag, fmt;
-	struct proc *p;
-{
-	struct mcd_softc *sc = mcd_cd.cd_devs[DISKUNIT(dev)];
-	int part = DISKPART(dev);
-	
-	MCD_TRACE("close: partition=%d\n", part, 0, 0, 0);
-
-	disk_lock_nointr(&sc->sc_dk);
-
-	switch (fmt) {
-	case S_IFCHR:
-		sc->sc_dk.dk_copenmask &= ~(1 << part);
-		break;
-	case S_IFBLK:
-		sc->sc_dk.dk_bopenmask &= ~(1 << part);
-		break;
-	}
-	sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
-
-	if (sc->sc_dk.dk_openmask == 0) {
-		/* XXXX Must wait for I/O to complete! */
-
-#if 0
-		(void) mcd_setmode(sc, MCD_MD_SLEEP);
-#endif
-		(void) mcd_setlock(sc, MCD_LK_UNLOCK);
-		if (sc->flags & MCDF_EJECTING) {
-			mcd_eject(sc);
-			sc->flags &= ~MCDF_EJECTING;
-		}
-	}
-	disk_unlock(&sc->sc_dk);
-	return 0;
-}
-
-void
-mcdstrategy(bp)
-	struct buf *bp;
-{
-	struct mcd_softc *sc = mcd_cd.cd_devs[DISKUNIT(bp->b_dev)];
-	int s;
-	
-	/* Test validity. */
-	MCD_TRACE("strategy: buf=0x%lx blkno=%lld bcount=%ld\n", bp,
-	    bp->b_blkno, bp->b_bcount, 0);
-	if (bp->b_blkno < 0 ||
-	    (bp->b_bcount % sc->blksize) != 0) {
-		printf("%s: strategy: blkno = %lld bcount = %ld\n",
-		    sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount);
-		bp->b_error = EINVAL;
-		goto bad;
-	}
-
-	/* If device invalidated (e.g. media change, door open), error. */
-	if ((sc->flags & MCDF_LOADED) == 0) {
-		MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0);
-		bp->b_error = EIO;
-		goto bad;
-	}
-
-	/* No data to read. */
-	if (bp->b_bcount == 0)
-		goto done;
-	
-	/*
-	 * Do bounds checking, adjust transfer. if error, process.
-	 * If end of partition, just return.
-	 */
-	if (bounds_check_with_label(bp, sc->sc_dk.dk_label) <= 0)
-		goto done;
-	
-	/* Queue it. */
-	s = splbio();
-	disksort(&sc->buf_queue, bp);
-	splx(s);
-	if (!sc->buf_queue.b_active)
-		mcdstart(sc);
-	return;
-
-bad:
-	bp->b_flags |= B_ERROR;
-done:
-	bp->b_resid = bp->b_bcount;
-	s = splbio();
-	biodone(bp);
-	splx(s);
-}
-
-void
-mcdstart(sc)
-	struct mcd_softc *sc;
-{
-	struct buf *bp, *dp = &sc->buf_queue;
-	int s;
-	
-loop:
-	s = splbio();
-
-	bp = dp->b_actf;
-	if (bp == NULL) {
-		/* Nothing to do. */
-		dp->b_active = 0;
-		splx(s);
-		return;
-	}
-
-	/* Block found to process; dequeue. */
-	MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0);
-	dp->b_actf = bp->b_actf;
-	splx(s);
-
-	/* Changed media? */
-	if ((sc->flags & MCDF_LOADED) == 0) {
-		MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0);
-		bp->b_error = EIO;
-		bp->b_flags |= B_ERROR;
-		s = splbio();
-		biodone(bp);
-		splx(s);
-		goto loop;
-	}
-
-	dp->b_active = 1;
-
-	/* Instrumentation. */
-	s = splbio();
-	disk_busy(&sc->sc_dk);
-	splx(s);
-
-	sc->mbx.retry = MCD_RDRETRIES;
-	sc->mbx.bp = bp;
-	sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE);
-	if (DISKPART(bp->b_dev) != RAW_PART) {
-		struct partition *p;
-		p = &sc->sc_dk.dk_label->d_partitions[DISKPART(bp->b_dev)];
-		sc->mbx.blkno += DL_GETPOFFSET(p);
-	}
-	sc->mbx.nblk = bp->b_bcount / sc->blksize;
-	sc->mbx.sz = sc->blksize;
-	sc->mbx.skip = 0;
-	sc->mbx.state = MCD_S_BEGIN;
-	sc->mbx.mode = MCD_MD_COOKED;
-
-	s = splbio();
-	(void) mcdintr(sc);
-	splx(s);
-}
-
-int
-mcdread(dev, uio, flags)
-	dev_t dev;
-	struct uio *uio;
-	int flags;
-{
-
-	return (physio(mcdstrategy, dev, B_READ, minphys, uio));
-}
-
-int
-mcdwrite(dev, uio, flags)
-	dev_t dev;
-	struct uio *uio;
-	int flags;
-{
-
-	return (physio(mcdstrategy, dev, B_WRITE, minphys, uio));
-}
-
-int
-mcdioctl(dev, cmd, addr, flag, p)
-	dev_t dev;
-	u_long cmd;
-	caddr_t addr;
-	int flag;
-	struct proc *p;
-{
-	struct mcd_softc *sc = mcd_cd.cd_devs[DISKUNIT(dev)];
-	struct disklabel *lp;
-	int error;
-	
-	MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0);
-
-	if ((sc->flags & MCDF_LOADED) == 0)
-		return EIO;
-
-	switch (cmd) {
-	case DIOCRLDINFO:
-		lp = malloc(sizeof(*lp), M_TEMP, M_WAITOK);
-		mcdgetdisklabel(dev, sc, lp, 0);
-		bcopy(lp, sc->sc_dk.dk_label, sizeof(*lp));
-		free(lp, M_TEMP);
-		return 0;
-
-	case DIOCGDINFO:
-	case DIOCGPDINFO:
-		*(struct disklabel *)addr = *(sc->sc_dk.dk_label);
-		return 0;
-
-	case DIOCGPART:
-		((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label;
-		((struct partinfo *)addr)->part =
-		    &sc->sc_dk.dk_label->d_partitions[DISKPART(dev)];
-		return 0;
-
-	case DIOCWDINFO:
-	case DIOCSDINFO:
-		if ((flag & FWRITE) == 0)
-			return EBADF;
-
-		if ((error = disk_lock(&sc->sc_dk)) != 0)
-			return error;
-
-		error = setdisklabel(sc->sc_dk.dk_label,
-		    (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0);
-		if (error == 0) {
-		}
-
-		disk_unlock(&sc->sc_dk);
-		return error;
-
-	case CDIOCPLAYTRACKS:
-		return mcd_playtracks(sc, (struct ioc_play_track *)addr);
-	case CDIOCPLAYMSF:
-		return mcd_playmsf(sc, (struct ioc_play_msf *)addr);
-	case CDIOCPLAYBLOCKS:
-		return mcd_playblocks(sc, (struct ioc_play_blocks *)addr);
-	case CDIOCREADSUBCHANNEL:
-		return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr);
-	case CDIOREADTOCHEADER:
-		return mcd_toc_header(sc, (struct ioc_toc_header *)addr);
-	case CDIOREADTOCENTRYS:
-		return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr);
-	case CDIOCSETPATCH:
-	case CDIOCGETVOL:
-	case CDIOCSETVOL:
-	case CDIOCSETMONO:
-	case CDIOCSETSTEREO:
-	case CDIOCSETMUTE:
-	case CDIOCSETLEFT:
-	case CDIOCSETRIGHT:
-		return EINVAL;
-	case CDIOCRESUME:
-		return mcd_resume(sc);
-	case CDIOCPAUSE:
-		return mcd_pause(sc);
-	case CDIOCSTART:
-		return EINVAL;
-	case CDIOCSTOP:
-		return mcd_stop(sc);
-	case MTIOCTOP:
-		if (((struct mtop *)addr)->mt_op != MTOFFL)
-			return EIO;
-		/* FALLTHROUGH */
-	case CDIOCEJECT: /* FALLTHROUGH */
-	case DIOCEJECT:
-		sc->flags |= MCDF_EJECTING;
-		return (0);
-	case CDIOCALLOW:
-		return mcd_setlock(sc, MCD_LK_UNLOCK);
-	case CDIOCPREVENT:
-		return mcd_setlock(sc, MCD_LK_LOCK);
-	case DIOCLOCK:
-		return mcd_setlock(sc,
-		    (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK);
-	case CDIOCSETDEBUG:
-		sc->debug = 1;
-		return 0;
-	case CDIOCCLRDEBUG:
-		sc->debug = 0;
-		return 0;
-	case CDIOCRESET:
-		return mcd_hard_reset(sc);
-
-	default:
-		return ENOTTY;
-	}
-
-#ifdef DIAGNOSTIC
-	panic("mcdioctl: impossible");
-#endif
-}
-
-int
-mcdgetdisklabel(dev, sc, lp, spoofonly)
-	dev_t dev;
-	struct mcd_softc *sc;
-	struct disklabel *lp;
-	int spoofonly;
-{
-	bzero(lp, sizeof(struct disklabel));
-
-	lp->d_secsize = sc->blksize;
-	lp->d_ntracks = 1;
-	lp->d_nsectors = 100;
-	lp->d_ncylinders = (sc->disksize / 100) + 1;
-	lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
-	if (lp->d_secpercyl == 0) {
-		lp->d_secpercyl = 100;
-		/* as long as it's not 0 - readdisklabel divides by it */
-	}
-
-	strncpy(lp->d_typename, "Mitsumi CD-ROM", sizeof lp->d_typename);
-	lp->d_type = DTYPE_SCSI;	/* XXX */
-	strncpy(lp->d_packname, "fictitious", sizeof lp->d_packname);
-	DL_SETDSIZE(lp, sc->disksize);
-	lp->d_version = 1;
-
-	lp->d_magic = DISKMAGIC;
-	lp->d_magic2 = DISKMAGIC;
-	lp->d_checksum = dkcksum(lp);
-
-	/*
-	 * Call the generic disklabel extraction routine
-	 */
-	return (readdisklabel(DISKLABELDEV(dev), mcdstrategy, lp, spoofonly));
-}
-
-int
-mcd_get_parms(sc)
-	struct mcd_softc *sc;
-{
-	struct mcd_mbox mbx;
-	daddr64_t size;
-	int error;
-
-	/* Send volume info command. */
-	mbx.cmd.opcode = MCD_CMDGETVOLINFO;
-	mbx.cmd.length = 0;
-	mbx.res.length = sizeof(mbx.res.data.volinfo);
-	if ((error = mcd_send(sc, &mbx, 1)) != 0)
-		return error;
-
-	if (mbx.res.data.volinfo.trk_low == 0x00 &&
-	    mbx.res.data.volinfo.trk_high == 0x00)
-		return EINVAL;
-
-	/* Volinfo is OK. */
-	sc->volinfo = mbx.res.data.volinfo;
-	sc->blksize = MCD_BLKSIZE_COOKED;
-	size = msf2hsg(sc->volinfo.vol_msf, 0);
-	sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE);
-	return 0;
-}
-
-daddr64_t
-mcdsize(dev)
-	dev_t dev;
-{
-
-	/* CD-ROMs are read-only. */
-	return -1;
-}
-
-int
-mcddump(dev, blkno, va, size)
-	dev_t dev;
-	daddr64_t blkno;
-	caddr_t va;
-	size_t size;
-{
-
-	/* Not implemented. */
-	return ENXIO;
-}
-
-/*
- * Find the board and fill in the softc.
- */
-int
-mcd_find(iot, ioh, sc)
-	bus_space_tag_t iot;
-	bus_space_handle_t ioh;
-	struct mcd_softc *sc;
-{
-	int i;
-	struct mcd_mbox mbx;
-
-        sc->sc_iot = iot;
-	sc->sc_ioh = ioh;
-
-	/* Send a reset. */
-	bus_space_write_1(iot, ioh, MCD_RESET, 0);
-	delay(1000000);
-	/* Get any pending status and throw away. */
-	for (i = 10; i; i--)
-		bus_space_read_1(iot, ioh, MCD_STATUS);
-	delay(1000);
-
-	/* Send get status command. */
-	mbx.cmd.opcode = MCD_CMDGETSTAT;
-	mbx.cmd.length = 0;
-	mbx.res.length = 0;
-	if (mcd_send(sc, &mbx, 0) != 0)
-		return 0;
-
-	/* Get info about the drive. */
-	mbx.cmd.opcode = MCD_CMDCONTINFO;
-	mbx.cmd.length = 0;
-	mbx.res.length = sizeof(mbx.res.data.continfo);
-	if (mcd_send(sc, &mbx, 0) != 0)
-		return 0;
-
-	/*
-	 * The following is code which is not guaranteed to work for all
-	 * drives, because the meaning of the expected 'M' is not clear
-	 * (M_itsumi is an obvious assumption, but I don't trust that).
-	 * Also, the original hack had a bogus condition that always
-	 * returned true.
-	 *
-	 * Note:  Which models support interrupts?  >=LU005S?
-	 */
-	sc->readcmd = MCD_CMDREADSINGLESPEED;
-	switch (mbx.res.data.continfo.code) {
-	case 'M':
-		if (mbx.res.data.continfo.version <= 2)
-			sc->type = "LU002S";
-		else if (mbx.res.data.continfo.version <= 5)
-			sc->type = "LU005S";
-		else
-			sc->type = "LU006S";
-		break;
-	case 'F':
-		sc->type = "FX001";
-		break;
-	case 'D':
-		sc->type = "FX001D";
-		sc->readcmd = MCD_CMDREADDOUBLESPEED;
-		break;
-	default:
-#ifdef MCDDEBUG
-		printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n",
-		    sc->sc_dev.dv_xname,
-		    mbx.res.data.continfo.code, mbx.res.data.continfo.version);
-#endif
-		sc->type = 0;
-		break;
-	}
-
-	return 1;
-
-}
-
-int
-mcdprobe(parent, match, aux)
-	struct device *parent;
-	void *match;
-	void *aux;
-{
-	struct isa_attach_args *ia = aux;
-	struct mcd_softc sc;
-	bus_space_tag_t iot = ia->ia_iot;
-	bus_space_handle_t ioh;
-	int rv;
-
-	/* Disallow wildcarded i/o address. */
-	if (ia->ia_iobase == -1 /*ISACF_PORT_DEFAULT*/)
-		return (0);
-
-	/* Map i/o space */
-	if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh))
-		return 0;
-
-	if (!opti_cd_setup(OPTI_MITSUMI, ia->ia_iobase, ia->ia_irq, ia->ia_drq))
-		/* printf("mcdprobe: could not setup OPTi chipset.\n") */;
-
-	bzero(&sc, sizeof sc);
-	sc.debug = 0;
-	sc.probe = 1;
-
-	rv = mcd_find(iot, ioh, &sc);
-
-	bus_space_unmap(iot, ioh, MCD_NPORT);
-
-	if (rv)	{
-		ia->ia_iosize = MCD_NPORT;
-		ia->ia_msize = 0;
-	}
-
-	return (rv);
-}
-
-int
-mcd_getreply(sc)
-	struct mcd_softc *sc;
-{
-	bus_space_tag_t iot = sc->sc_iot;
-	bus_space_handle_t ioh = sc->sc_ioh;
-	int i;
-
-	/* Wait until xfer port senses data ready. */
-	for (i = DELAY_GETREPLY; i; i--) {
-		if ((bus_space_read_1(iot, ioh, MCD_XFER) &
-		    MCD_XF_STATUSUNAVAIL) == 0)
-			break;
-		delay(DELAY_GRANULARITY);
-	}
-	if (!i)
-		return -1;
-
-	/* Get the data. */
-	return bus_space_read_1(iot, ioh, MCD_STATUS);
-}
-
-int
-mcd_getstat(sc)
-	struct mcd_softc *sc;
-{
-	struct mcd_mbox mbx;
-
-	mbx.cmd.opcode = MCD_CMDGETSTAT;
-	mbx.cmd.length = 0;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 1);
-}
-
-int
-mcd_getresult(sc, res)
-	struct mcd_softc *sc;
-	struct mcd_result *res;
-{
-	int i, x;
-
-	if (sc->debug)
-		printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname,
-		    res->length);
-
-	if ((x = mcd_getreply(sc)) < 0) {
-		if (sc->debug)
-			printf(" timeout\n");
-		else if (sc->probe == 0)
-			printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname);
-		return EIO;
-	}
-	if (sc->debug)
-		printf(" %02x", (u_int)x);
-	sc->status = x;
-	mcd_setflags(sc);
-
-	if ((sc->status & MCD_ST_CMDCHECK) != 0)
-		return EINVAL;
-
-	for (i = 0; i < res->length; i++) {
-		if ((x = mcd_getreply(sc)) < 0) {
-			if (sc->debug)
-				printf(" timeout\n");
-			else
-				printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname);
-			return EIO;
-		}
-		if (sc->debug)
-			printf(" %02x", (u_int)x);
-		res->data.raw.data[i] = x;
-	}
-
-	if (sc->debug)
-		printf(" succeeded\n");
-
-#ifdef MCDDEBUG
-	delay(10);
-	while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) &
-	    MCD_XF_STATUSUNAVAIL) == 0) {
-		x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS);
-		printf("%s: got extra byte %02x during getstatus\n",
-		    sc->sc_dev.dv_xname, (u_int)x);
-		delay(10);
-	}
-#endif
-
-	return 0;
-}
-
-void
-mcd_setflags(sc)
-	struct mcd_softc *sc;
-{
-
-	/* Check flags. */
-	if ((sc->flags & MCDF_LOADED) != 0 &&
-	    (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) !=
-	    MCD_ST_DSKIN) {
-		if ((sc->status & MCD_ST_DOOROPEN) != 0)
-			printf("%s: door open\n", sc->sc_dev.dv_xname);
-		else if ((sc->status & MCD_ST_DSKIN) == 0)
-			printf("%s: no disk present\n", sc->sc_dev.dv_xname);
-		else if ((sc->status & MCD_ST_DSKCHNG) != 0)
-			printf("%s: media change\n", sc->sc_dev.dv_xname);
-		sc->flags &= ~MCDF_LOADED;
-	}
-
-	if ((sc->status & MCD_ST_AUDIOBSY) != 0)
-		sc->audio_status = CD_AS_PLAY_IN_PROGRESS;
-	else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS ||
-		 sc->audio_status == CD_AS_AUDIO_INVALID)
-		sc->audio_status = CD_AS_PLAY_COMPLETED;
-}
-
-int
-mcd_send(sc, mbx, diskin)
-	struct mcd_softc *sc;
-	struct mcd_mbox *mbx;
-	int diskin;
-{
-	int retry, i, error;
-	bus_space_tag_t iot = sc->sc_iot;
-	bus_space_handle_t ioh = sc->sc_ioh;
-	
-	if (sc->debug) {
-		printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname,
-		    mbx->cmd.length, (u_int)mbx->cmd.opcode);
-		for (i = 0; i < mbx->cmd.length; i++)
-			printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]);
-		printf("\n");
-	}
-
-	for (retry = MCD_RETRIES; retry; retry--) {
-		bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode);
-		for (i = 0; i < mbx->cmd.length; i++)
-			bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]);
-		if ((error = mcd_getresult(sc, &mbx->res)) == 0)
-			break;
-		if (error == EINVAL)
-			return error;
-	}
-	if (!retry)
-		return error;
-	if (diskin && (sc->flags & MCDF_LOADED) == 0)
-		return EIO;
-
-	return 0;
-}
-
-static void
-hsg2msf(hsg, msf)
-	int hsg;
-	bcd_t *msf;
-{
-
-	hsg += 150;
-	F_msf(msf) = bin2bcd(hsg % 75);
-	hsg /= 75;
-	S_msf(msf) = bin2bcd(hsg % 60);
-	hsg /= 60;
-	M_msf(msf) = bin2bcd(hsg);
-}
-
-static daddr64_t
-msf2hsg(msf, relative)
-	bcd_t *msf;
-	int relative;
-{
-	daddr64_t blkno;
-
-	blkno = bcd2bin(M_msf(msf)) * 75 * 60 +
-		bcd2bin(S_msf(msf)) * 75 +
-		bcd2bin(F_msf(msf));
-	if (!relative)
-		blkno -= 150;
-	return blkno;
-}
-
-void
-mcd_pseudointr(v)
-	void *v;
-{
-	struct mcd_softc *sc = v;
-	int s;
-
-	s = splbio();
-	(void) mcdintr(sc);
-	splx(s);
-}
-
-/*
- * State machine to process read requests.
- * Initialize with MCD_S_BEGIN: calculate sizes, and set mode
- * MCD_S_WAITMODE: waits for status reply from set mode, set read command
- * MCD_S_WAITREAD: wait for read ready, read data.
- */
-int
-mcdintr(arg)
-	void *arg;
-{
-	struct mcd_softc *sc = arg;
-	struct mcd_mbx *mbx = &sc->mbx;
-	struct buf *bp = mbx->bp;
-	bus_space_tag_t iot = sc->sc_iot;
-	bus_space_handle_t ioh = sc->sc_ioh;
-
-	int i;
-	u_char x;
-	bcd_t msf[3];
-
-	switch (mbx->state) {
-	case MCD_S_IDLE:
-		return 0;
-
-	case MCD_S_BEGIN:
-	tryagain:
-		if (mbx->mode == sc->lastmode)
-			goto firstblock;
-
-		sc->lastmode = MCD_MD_UNKNOWN;
-		bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode);
-
-		mbx->count = RDELAY_WAITMODE;
-		mbx->state = MCD_S_WAITMODE;
-
-	case MCD_S_WAITMODE:
-		timeout_del(&sc->sc_pi_tmo);
-		for (i = 20; i; i--) {
-			x = bus_space_read_1(iot, ioh, MCD_XFER);
-			if ((x & MCD_XF_STATUSUNAVAIL) == 0)
-				break;
-			delay(50);
-		}
-		if (i == 0)
-			goto hold;
-		sc->status = bus_space_read_1(iot, ioh, MCD_STATUS);
-		mcd_setflags(sc);
-		if ((sc->flags & MCDF_LOADED) == 0)
-			goto changed;
-		MCD_TRACE("doread: got WAITMODE delay=%d\n",
-		    RDELAY_WAITMODE - mbx->count, 0, 0, 0);
-
-		sc->lastmode = mbx->mode;
-
-	firstblock:
-		MCD_TRACE("doread: read blkno=%lld for bp=0x%x\n", mbx->blkno,
-		    bp, 0, 0);
-
-		/* Build parameter block. */
-		hsg2msf(mbx->blkno, msf);
-
-		/* Send the read command. */
-		bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, 0);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, 0);
-		bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk);
-
-		mbx->count = RDELAY_WAITREAD;
-		mbx->state = MCD_S_WAITREAD;
-
-	case MCD_S_WAITREAD:
-		timeout_del(&sc->sc_pi_tmo);
-	nextblock:
-	loop:
-		for (i = 20; i; i--) {
-			x = bus_space_read_1(iot, ioh, MCD_XFER);
-			if ((x & MCD_XF_DATAUNAVAIL) == 0)
-				goto gotblock;
-			if ((x & MCD_XF_STATUSUNAVAIL) == 0)
-				break;
-			delay(50);
-		}
-		if (i == 0)
-			goto hold;
-		sc->status = bus_space_read_1(iot, ioh, MCD_STATUS);
-		mcd_setflags(sc);
-		if ((sc->flags & MCDF_LOADED) == 0)
-			goto changed;
-#if 0
-		printf("%s: got status byte %02x during read\n",
-		    sc->sc_dev.dv_xname, (u_int)sc->status);
-#endif
-		goto loop;
-
-	gotblock:
-		MCD_TRACE("doread: got data delay=%d\n",
-		    RDELAY_WAITREAD - mbx->count, 0, 0, 0);
-
-		/* Data is ready. */
-		bus_space_write_1(iot, ioh, MCD_CTL2, 0x04);	/* XXX */
-		bus_space_read_multi_1(iot, ioh, MCD_RDATA,
-		    bp->b_data + mbx->skip, mbx->sz);
-		bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c);	/* XXX */
-		mbx->blkno += 1;
-		mbx->skip += mbx->sz;
-		if (--mbx->nblk > 0)
-			goto nextblock;
-
-		mbx->state = MCD_S_IDLE;
-
-		/* Return buffer. */
-		bp->b_resid = 0;
-		disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ));
-		biodone(bp);
-
-		mcdstart(sc);
-		return 1;
-
-	hold:
-		if (mbx->count-- < 0) {
-			printf("%s: timeout in state %d",
-			    sc->sc_dev.dv_xname, mbx->state);
-			goto readerr;
-		}
-
-#if 0
-		printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname,
-		    mbx->state);
-#endif
-		timeout_add(&sc->sc_pi_tmo, hz / 100);
-		return -1;
-	}
-
-readerr:
-	if (mbx->retry-- > 0) {
-		printf("; retrying\n");
-		goto tryagain;
-	} else
-		printf("; giving up\n");
-
-changed:
-	/* Invalidate the buffer. */
-	bp->b_flags |= B_ERROR;
-	bp->b_resid = bp->b_bcount - mbx->skip;
-	disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid),
-	    (bp->b_flags & B_READ));
-	biodone(bp);
-
-	mcdstart(sc);
-	return -1;
-
-#ifdef notyet
-	printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname);
-	bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET);
-	delay(300000);
-	(void) mcd_getstat(sc, 1);
-	(void) mcd_getstat(sc, 1);
-	/*sc->status &= ~MCD_ST_DSKCHNG; */
-	sc->debug = 1; /* preventive set debug mode */
-#endif
-}
-
-void
-mcd_soft_reset(sc)
-	struct mcd_softc *sc;
-{
-
-	sc->debug = 0;
-	sc->flags = 0;
-	sc->lastmode = MCD_MD_UNKNOWN;
-	sc->lastupc = MCD_UPC_UNKNOWN;
-	sc->audio_status = CD_AS_AUDIO_INVALID;
-	bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */
-}
-
-int
-mcd_hard_reset(sc)
-	struct mcd_softc *sc;
-{
-	struct mcd_mbox mbx;
-
-	mcd_soft_reset(sc);
-
-	mbx.cmd.opcode = MCD_CMDRESET;
-	mbx.cmd.length = 0;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 0);
-}
-	
-int
-mcd_setmode(sc, mode)
-	struct mcd_softc *sc;
-	int mode;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (sc->lastmode == mode)
-		return 0;
-	if (sc->debug)
-		printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode);
-	sc->lastmode = MCD_MD_UNKNOWN;
-
-	mbx.cmd.opcode = MCD_CMDSETMODE;
-	mbx.cmd.length = sizeof(mbx.cmd.data.datamode);
-	mbx.cmd.data.datamode.mode = mode;
-	mbx.res.length = 0;
-	if ((error = mcd_send(sc, &mbx, 1)) != 0)
-		return error;
-
-	sc->lastmode = mode;
-	return 0;
-}
-
-int
-mcd_setupc(sc, upc)
-	struct mcd_softc *sc;
-	int upc;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (sc->lastupc == upc)
-		return 0;
-	if (sc->debug)
-		printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc);
-	sc->lastupc = MCD_UPC_UNKNOWN;
-
-	mbx.cmd.opcode = MCD_CMDCONFIGDRIVE;
-	mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1;
-	mbx.cmd.data.config.subcommand = MCD_CF_READUPC;
-	mbx.cmd.data.config.data1 = upc;
-	mbx.res.length = 0;
-	if ((error = mcd_send(sc, &mbx, 1)) != 0)
-		return error;
-
-	sc->lastupc = upc;
-	return 0;
-}
-
-int
-mcd_toc_header(sc, th)
-	struct mcd_softc *sc;
-	struct ioc_toc_header *th;
-{
-
-	if (sc->debug)
-		printf("%s: mcd_toc_header: reading toc header\n",
-		    sc->sc_dev.dv_xname);
-
-	th->len = msf2hsg(sc->volinfo.vol_msf, 0);
-	th->starting_track = bcd2bin(sc->volinfo.trk_low);
-	th->ending_track = bcd2bin(sc->volinfo.trk_high);
-
-	return 0;
-}
-
-int
-mcd_read_toc(sc)
-	struct mcd_softc *sc;
-{
-	struct ioc_toc_header th;
-	union mcd_qchninfo q;
-	int error, trk, idx, retry;
-
-	if ((error = mcd_toc_header(sc, &th)) != 0)
-		return error;
-
-	if ((error = mcd_stop(sc)) != 0)
-		return error;
-
-	if (sc->debug)
-		printf("%s: read_toc: reading qchannel info\n",
-		    sc->sc_dev.dv_xname);
-
-	for (trk = th.starting_track; trk <= th.ending_track; trk++)
-		sc->toc[trk].toc.idx_no = 0x00;
-	trk = th.ending_track - th.starting_track + 1;
-	for (retry = 300; retry && trk > 0; retry--) {
-		if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0)
-			break;
-		if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00)
-			continue;
-		idx = bcd2bin(q.toc.idx_no);
-		if (idx < MCD_MAXTOCS &&
-		    sc->toc[idx].toc.idx_no == 0x00) {
-			sc->toc[idx] = q;
-			trk--;
-		}
-	}
-
-	/* Inform the drive that we're finished so it turns off the light. */
-	if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-		return error;
-
-	if (trk != 0)
-		return EINVAL;
-
-	/* Add a fake last+1 for mcd_playtracks(). */
-	idx = th.ending_track + 1;
-	sc->toc[idx].toc.control = sc->toc[idx-1].toc.control;
-	sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type;
-	sc->toc[idx].toc.trk_no = 0x00;
-	sc->toc[idx].toc.idx_no = 0xaa;
-	sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0];
-	sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1];
-	sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2];
-
-	return 0;
-}
-
-int
-mcd_toc_entries(sc, te)
-	struct mcd_softc *sc;
-	struct ioc_read_toc_entry *te;
-{
-	int len = te->data_len;
-	struct ret_toc {
-		struct ioc_toc_header header;
-		struct cd_toc_entry entries[MCD_MAXTOCS];
-	} data;
-	u_char trk;
-	daddr64_t lba;
-	int error, n;
-
-	if (len > sizeof(data.entries) ||
-	    len < sizeof(struct cd_toc_entry))
-		return EINVAL;
-	if (te->address_format != CD_MSF_FORMAT &&
-	    te->address_format != CD_LBA_FORMAT)
-		return EINVAL;
-
-	/* Copy the TOC header. */
-	if ((error = mcd_toc_header(sc, &data.header)) != 0)
-		return error;
-
-	/* Verify starting track. */
-	trk = te->starting_track;
-	if (trk == 0x00)
-		trk = data.header.starting_track;
-	else if (trk == 0xaa)
-		trk = data.header.ending_track + 1;
-	else if (trk < data.header.starting_track ||
-		 trk > data.header.ending_track + 1)
-		return EINVAL;
-
-	/* Copy the TOC data. */
-	for (n = 0; trk <= data.header.ending_track + 1; trk++) {
-		if (sc->toc[trk].toc.idx_no == 0x00)
-			continue;
-		data.entries[n].control = sc->toc[trk].toc.control;
-		data.entries[n].addr_type = sc->toc[trk].toc.addr_type;
-		data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no);
-		switch (te->address_format) {
-		case CD_MSF_FORMAT:
-			data.entries[n].addr.addr[0] = 0;
-			data.entries[n].addr.addr[1] =
-			    bcd2bin(sc->toc[trk].toc.absolute_pos[0]);
-			data.entries[n].addr.addr[2] =
-			    bcd2bin(sc->toc[trk].toc.absolute_pos[1]);
-			data.entries[n].addr.addr[3] =
-			    bcd2bin(sc->toc[trk].toc.absolute_pos[2]);
-			break;
-		case CD_LBA_FORMAT:
-			lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0);
-			data.entries[n].addr.addr[0] = lba >> 24;
-			data.entries[n].addr.addr[1] = lba >> 16;
-			data.entries[n].addr.addr[2] = lba >> 8;
-			data.entries[n].addr.addr[3] = lba;
-			break;
-		}
-		n++;
-	}
-
-	len = min(len, n * sizeof(struct cd_toc_entry));
-
-	/* Copy the data back. */
-	return copyout(&data.entries[0], te->data, len);
-}
-
-int
-mcd_stop(sc)
-	struct mcd_softc *sc;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (sc->debug)
-		printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname);
-
-	mbx.cmd.opcode = MCD_CMDSTOPAUDIO;
-	mbx.cmd.length = 0;
-	mbx.res.length = 0;
-	if ((error = mcd_send(sc, &mbx, 1)) != 0)
-		return error;
-
-	sc->audio_status = CD_AS_PLAY_COMPLETED;
-	return 0;
-}
-
-int
-mcd_getqchan(sc, q, qchn)
-	struct mcd_softc *sc;
-	union mcd_qchninfo *q;
-	int qchn;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (qchn == CD_TRACK_INFO) {
-		if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0)
-			return error;
-	} else {
-		if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-			return error;
-	}
-	if (qchn == CD_MEDIA_CATALOG) {
-		if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0)
-			return error;
-	} else {
-		if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0)
-			return error;
-	}
-
-	mbx.cmd.opcode = MCD_CMDGETQCHN;
-	mbx.cmd.length = 0;
-	mbx.res.length = sizeof(mbx.res.data.qchninfo);
-	if ((error = mcd_send(sc, &mbx, 1)) != 0)
-		return error;
-
-	*q = mbx.res.data.qchninfo;
-	return 0;
-}
-
-int
-mcd_read_subchannel(sc, ch)
-	struct mcd_softc *sc;
-	struct ioc_read_subchannel *ch;
-{
-	int len = ch->data_len;
-	union mcd_qchninfo q;
-	struct cd_sub_channel_info data;
-	daddr64_t lba;
-	int error;
-
-	if (sc->debug)
-		printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname,
-		    ch->address_format, ch->data_format);
-
-	if (len > sizeof(data) ||
-	    len < sizeof(struct cd_sub_channel_header))
-		return EINVAL;
-	if (ch->address_format != CD_MSF_FORMAT &&
-	    ch->address_format != CD_LBA_FORMAT)
-		return EINVAL;
-	if (ch->data_format != CD_CURRENT_POSITION &&
-	    ch->data_format != CD_MEDIA_CATALOG)
-		return EINVAL;
-
-	if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0)
-		return error;
-
-	data.header.audio_status = sc->audio_status;
-	data.what.media_catalog.data_format = ch->data_format;
-
-	switch (ch->data_format) {
-	case CD_MEDIA_CATALOG:
-		data.what.media_catalog.mc_valid = 1;
-#if 0
-		data.what.media_catalog.mc_number = 
-#endif
-		break;
-
-	case CD_CURRENT_POSITION:
-		data.what.position.track_number = bcd2bin(q.current.trk_no);
-		data.what.position.index_number = bcd2bin(q.current.idx_no);
-		switch (ch->address_format) {
-		case CD_MSF_FORMAT:
-			data.what.position.reladdr.addr[0] = 0;
-			data.what.position.reladdr.addr[1] =
-			    bcd2bin(q.current.relative_pos[0]);
-			data.what.position.reladdr.addr[2] =
-			    bcd2bin(q.current.relative_pos[1]);
-			data.what.position.reladdr.addr[3] =
-			    bcd2bin(q.current.relative_pos[2]);
-			data.what.position.absaddr.addr[0] = 0;
-			data.what.position.absaddr.addr[1] =
-			    bcd2bin(q.current.absolute_pos[0]);
-			data.what.position.absaddr.addr[2] =
-			    bcd2bin(q.current.absolute_pos[1]);
-			data.what.position.absaddr.addr[3] =
-			    bcd2bin(q.current.absolute_pos[2]);
-			break;
-		case CD_LBA_FORMAT:
-			lba = msf2hsg(q.current.relative_pos, 1);
-			/*
-			 * Pre-gap has index number of 0, and decreasing MSF
-			 * address.  Must be converted to negative LBA, per
-			 * SCSI spec.
-			 */
-			if (data.what.position.index_number == 0x00)
-				lba = -lba;
-			data.what.position.reladdr.addr[0] = lba >> 24;
-			data.what.position.reladdr.addr[1] = lba >> 16;
-			data.what.position.reladdr.addr[2] = lba >> 8;
-			data.what.position.reladdr.addr[3] = lba;
-			lba = msf2hsg(q.current.absolute_pos, 0);
-			data.what.position.absaddr.addr[0] = lba >> 24;
-			data.what.position.absaddr.addr[1] = lba >> 16;
-			data.what.position.absaddr.addr[2] = lba >> 8;
-			data.what.position.absaddr.addr[3] = lba;
-			break;
-		}
-		break;
-	}
-
-	return copyout(&data, ch->data, len);
-}
-
-int
-mcd_playtracks(sc, p)
-	struct mcd_softc *sc;
-	struct ioc_play_track *p;
-{
-	struct mcd_mbox mbx;
-	int a = p->start_track;
-	int z = p->end_track;
-	int error;
-
-	if (sc->debug)
-		printf("%s: playtracks: from %d:%d to %d:%d\n",
-		    sc->sc_dev.dv_xname,
-		    a, p->start_index, z, p->end_index);
-
-	if (a < bcd2bin(sc->volinfo.trk_low) ||
-	    a > bcd2bin(sc->volinfo.trk_high) ||
-	    a > z ||
-	    z < bcd2bin(sc->volinfo.trk_low) ||
-	    z > bcd2bin(sc->volinfo.trk_high))
-		return EINVAL;
-
-	if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-		return error;
-
-	mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
-	mbx.cmd.length = sizeof(mbx.cmd.data.play);
-	mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0];
-	mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1];
-	mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2];
-	mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0];
-	mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1];
-	mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2];
-	sc->lastpb = mbx.cmd;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 1);
-}
-
-int
-mcd_playmsf(sc, p)
-	struct mcd_softc *sc;
-	struct ioc_play_msf *p;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (sc->debug)
-		printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n",
-		    sc->sc_dev.dv_xname,
-		    p->start_m, p->start_s, p->start_f,
-		    p->end_m, p->end_s, p->end_f);
-
-	if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
-	    (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f))
-		return EINVAL;
-
-	if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-		return error;
-
-	mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
-	mbx.cmd.length = sizeof(mbx.cmd.data.play);
-	mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m);
-	mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s);
-	mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f);
-	mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m);
-	mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s);
-	mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f);
-	sc->lastpb = mbx.cmd;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 1);
-}
-
-int
-mcd_playblocks(sc, p)
-	struct mcd_softc *sc;
-	struct ioc_play_blocks *p;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (sc->debug)
-		printf("%s: playblocks: blkno %lld length %d\n",
-		    sc->sc_dev.dv_xname, p->blk, p->len);
-
-	if (p->blk > sc->disksize || p->len > sc->disksize ||
-	    (p->blk + p->len) > sc->disksize)
-		return 0;
-
-	if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-		return error;
-
-	mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
-	mbx.cmd.length = sizeof(mbx.cmd.data.play);
-	hsg2msf(p->blk, mbx.cmd.data.play.start_msf);
-	hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf);
-	sc->lastpb = mbx.cmd;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 1);
-}
-
-int
-mcd_pause(sc)
-	struct mcd_softc *sc;
-{
-	union mcd_qchninfo q;
-	int error;
-
-	/* Verify current status. */
-	if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS)	{
-		printf("%s: pause: attempted when not playing\n",
-		    sc->sc_dev.dv_xname);
-		return EINVAL;
-	}
-
-	/* Get the current position. */
-	if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0)
-		return error;
-
-	/* Copy it into lastpb. */
-	sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0];
-	sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1];
-	sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2];
-
-	/* Stop playing. */
-	if ((error = mcd_stop(sc)) != 0)
-		return error;
-
-	/* Set the proper status and exit. */
-	sc->audio_status = CD_AS_PLAY_PAUSED;
-	return 0;
-}
-
-int
-mcd_resume(sc)
-	struct mcd_softc *sc;
-{
-	struct mcd_mbox mbx;
-	int error;
-
-	if (sc->audio_status != CD_AS_PLAY_PAUSED)
-		return EINVAL;
-
-	if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
-		return error;
-
-	mbx.cmd = sc->lastpb;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 1);
-}
-
-int
-mcd_eject(sc)
-	struct mcd_softc *sc;
-{
-	struct mcd_mbox mbx;
-
-	mbx.cmd.opcode = MCD_CMDEJECTDISK;
-	mbx.cmd.length = 0;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 0);
-}
-
-int
-mcd_setlock(sc, mode)
-	struct mcd_softc *sc;
-	int mode;
-{
-	struct mcd_mbox mbx;
-	
-	mbx.cmd.opcode = MCD_CMDSETLOCK;
-	mbx.cmd.length = sizeof(mbx.cmd.data.lockmode);
-	mbx.cmd.data.lockmode.mode = mode;
-	mbx.res.length = 0;
-	return mcd_send(sc, &mbx, 1);
-}