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-rw-r--r--sys/dev/mcd/mcd.c1840
1 files changed, 1840 insertions, 0 deletions
diff --git a/sys/dev/mcd/mcd.c b/sys/dev/mcd/mcd.c
new file mode 100644
index 0000000..23446f7
--- /dev/null
+++ b/sys/dev/mcd/mcd.c
@@ -0,0 +1,1840 @@
+/*
+ * Copyright 1993 by Holger Veit (data part)
+ * Copyright 1993 by Brian Moore (audio part)
+ * Changes Copyright 1993 by Gary Clark II
+ * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia
+ *
+ * Rewrote probe routine to work on newer Mitsumi drives.
+ * Additional changes (C) 1994 by Jordan K. Hubbard
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+static const char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
+
+#include "mcd.h"
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/conf.h>
+#include <sys/fcntl.h>
+#include <sys/bio.h>
+#include <sys/cdio.h>
+#include <sys/disklabel.h>
+#include <sys/bus.h>
+
+#include <machine/clock.h>
+
+#include <i386/isa/isa_device.h>
+#include <i386/isa/mcdreg.h>
+
+#define MCD_TRACE(format, args...) \
+{ \
+ if (mcd_data[unit].debug) { \
+ printf("mcd%d: status=0x%02x: ", \
+ unit, mcd_data[unit].status); \
+ printf(format, ## args); \
+ } \
+}
+
+#define mcd_part(dev) ((minor(dev)) & 7)
+#define mcd_unit(dev) (((minor(dev)) & 0x38) >> 3)
+#define mcd_phys(dev) (((minor(dev)) & 0x40) >> 6)
+#define RAW_PART 2
+
+/* flags */
+#define MCDVALID 0x0001 /* parameters loaded */
+#define MCDINIT 0x0002 /* device is init'd */
+#define MCDNEWMODEL 0x0004 /* device is new model */
+#define MCDLABEL 0x0008 /* label is read */
+#define MCDPROBING 0x0010 /* probing */
+#define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
+#define MCDVOLINFO 0x0040 /* already read volinfo */
+#define MCDTOC 0x0080 /* already read toc */
+#define MCDMBXBSY 0x0100 /* local mbx is busy */
+
+/* status */
+#define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
+#define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
+#define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
+#define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
+
+/* These are apparently the different states a mitsumi can get up to */
+#define MCDCDABSENT 0x0030
+#define MCDCDPRESENT 0x0020
+#define MCDSCLOSED 0x0080
+#define MCDSOPEN 0x00a0
+
+#define MCD_MD_UNKNOWN (-1)
+
+/* toc */
+#define MCD_MAXTOCS 104 /* from the Linux driver */
+#define MCD_LASTPLUS1 170 /* special toc entry */
+
+#define MCD_TYPE_UNKNOWN 0
+#define MCD_TYPE_LU002S 1
+#define MCD_TYPE_LU005S 2
+#define MCD_TYPE_LU006S 3
+#define MCD_TYPE_FX001 4
+#define MCD_TYPE_FX001D 5
+
+struct mcd_mbx {
+ short unit;
+ short port;
+ short retry;
+ short nblk;
+ int sz;
+ u_long skip;
+ struct bio *bp;
+ int p_offset;
+ short count;
+ short mode;
+};
+
+static struct mcd_data {
+ short type;
+ char *name;
+ short config;
+ short flags;
+ u_char read_command;
+ short status;
+ int blksize;
+ u_long disksize;
+ int iobase;
+ struct disklabel dlabel;
+ int partflags[MAXPARTITIONS];
+ int openflags;
+ struct mcd_volinfo volinfo;
+ struct mcd_qchninfo toc[MCD_MAXTOCS];
+ short audio_status;
+ short curr_mode;
+ struct mcd_read2 lastpb;
+ short debug;
+ struct bio_queue_head head; /* head of bio queue */
+ struct mcd_mbx mbx;
+} mcd_data[NMCD];
+
+/* reader state machine */
+#define MCD_S_BEGIN 0
+#define MCD_S_BEGIN1 1
+#define MCD_S_WAITSTAT 2
+#define MCD_S_WAITMODE 3
+#define MCD_S_WAITREAD 4
+
+/* prototypes */
+static void mcd_start(int unit);
+static int mcd_getdisklabel(int unit);
+#ifdef NOTYET
+static void mcd_configure(struct mcd_data *cd);
+#endif
+static int mcd_get(int unit, char *buf, int nmax);
+static int mcd_setflags(int unit,struct mcd_data *cd);
+static int mcd_getstat(int unit,int sflg);
+static int mcd_send(int unit, int cmd,int nretrys);
+static void hsg2msf(int hsg, bcd_t *msf);
+static int msf2hsg(bcd_t *msf, int relative);
+static int mcd_volinfo(int unit);
+static ointhand2_t mcdintr;
+static int mcd_waitrdy(int port,int dly);
+static timeout_t mcd_timeout;
+static void mcd_doread(int state, struct mcd_mbx *mbxin);
+static void mcd_soft_reset(int unit);
+static int mcd_hard_reset(int unit);
+static int mcd_setmode(int unit, int mode);
+static int mcd_getqchan(int unit, struct mcd_qchninfo *q);
+static int mcd_subchan(int unit, struct ioc_read_subchannel *sc);
+static int mcd_toc_header(int unit, struct ioc_toc_header *th);
+static int mcd_read_toc(int unit);
+static int mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
+#if 0
+static int mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
+#endif
+static int mcd_stop(int unit);
+static int mcd_eject(int unit);
+static int mcd_inject(int unit);
+static int mcd_playtracks(int unit, struct ioc_play_track *pt);
+static int mcd_play(int unit, struct mcd_read2 *pb);
+static int mcd_playmsf(int unit, struct ioc_play_msf *pt);
+static int mcd_playblocks(int unit, struct ioc_play_blocks *);
+static int mcd_pause(int unit);
+static int mcd_resume(int unit);
+static int mcd_lock_door(int unit, int lock);
+static int mcd_close_tray(int unit);
+
+static int mcd_probe(struct isa_device *dev);
+static int mcd_attach(struct isa_device *dev);
+struct isa_driver mcddriver = {
+ INTR_TYPE_BIO,
+ mcd_probe,
+ mcd_attach,
+ "mcd"
+};
+COMPAT_ISA_DRIVER(mcd, mcddriver);
+
+static d_open_t mcdopen;
+static d_close_t mcdclose;
+static d_ioctl_t mcdioctl;
+static d_psize_t mcdsize;
+static d_strategy_t mcdstrategy;
+
+#define CDEV_MAJOR 29
+#define BDEV_MAJOR 7
+
+
+
+static struct cdevsw mcd_cdevsw = {
+ /* open */ mcdopen,
+ /* close */ mcdclose,
+ /* read */ physread,
+ /* write */ nowrite,
+ /* ioctl */ mcdioctl,
+ /* poll */ nopoll,
+ /* mmap */ nommap,
+ /* strategy */ mcdstrategy,
+ /* name */ "mcd",
+ /* maj */ CDEV_MAJOR,
+ /* dump */ nodump,
+ /* psize */ nopsize,
+ /* flags */ D_DISK,
+ /* bmaj */ BDEV_MAJOR
+};
+
+#define mcd_put(port,byte) outb(port,byte)
+
+#define MCD_RETRYS 5
+#define MCD_RDRETRYS 8
+
+#define CLOSE_TRAY_SECS 8
+#define DISK_SENSE_SECS 3
+#define WAIT_FRAC 4
+
+/* several delays */
+#define RDELAY_WAITSTAT 300
+#define RDELAY_WAITMODE 300
+#define RDELAY_WAITREAD 800
+
+#define MIN_DELAY 15
+#define DELAY_GETREPLY 5000000
+
+int mcd_attach(struct isa_device *dev)
+{
+ int unit = dev->id_unit;
+ struct mcd_data *cd = mcd_data + unit;
+
+ dev->id_ointr = mcdintr;
+ cd->iobase = dev->id_iobase;
+ cd->flags |= MCDINIT;
+ mcd_soft_reset(unit);
+ bioq_init(&cd->head);
+
+#ifdef NOTYET
+ /* wire controller for interrupts and dma */
+ mcd_configure(cd);
+#endif
+ /* name filled in probe */
+ make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
+ UID_ROOT, GID_OPERATOR, 0640, "rmcd%da", unit);
+ make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
+ UID_ROOT, GID_OPERATOR, 0640, "rmcd%dc", unit);
+ make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
+ UID_ROOT, GID_OPERATOR, 0640, "mcd%da", unit);
+ make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
+ UID_ROOT, GID_OPERATOR, 0640, "mcd%dc", unit);
+ return 1;
+}
+
+int mcdopen(dev_t dev, int flags, int fmt, struct proc *p)
+{
+ int unit,part,phys,r,retry;
+ struct mcd_data *cd;
+
+ unit = mcd_unit(dev);
+ if (unit >= NMCD)
+ return ENXIO;
+
+ cd = mcd_data + unit;
+ part = mcd_part(dev);
+ phys = mcd_phys(dev);
+
+ /* not initialized*/
+ if (!(cd->flags & MCDINIT))
+ return ENXIO;
+
+ /* invalidated in the meantime? mark all open part's invalid */
+ if (!(cd->flags & MCDVALID) && cd->openflags)
+ return ENXIO;
+
+ if (mcd_getstat(unit,1) == -1)
+ return EIO;
+
+ if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
+ || !(cd->status & MCDDSKIN))
+ for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
+ (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsn1", hz/WAIT_FRAC);
+ if ((r = mcd_getstat(unit,1)) == -1)
+ return EIO;
+ if (r != -2)
+ break;
+ }
+
+ if (( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
+ || !(cd->status & MCDDSKIN)
+ )
+ && major(dev) == CDEV_MAJOR && part == RAW_PART
+ ) {
+ cd->openflags |= (1<<part);
+ if (phys)
+ cd->partflags[part] |= MCDREADRAW;
+ return 0;
+ }
+ if (cd->status & MCDDOOROPEN) {
+ printf("mcd%d: door is open\n", unit);
+ return ENXIO;
+ }
+ if (!(cd->status & MCDDSKIN)) {
+ printf("mcd%d: no CD inside\n", unit);
+ return ENXIO;
+ }
+ if (cd->status & MCDDSKCHNG) {
+ printf("mcd%d: CD not sensed\n", unit);
+ return ENXIO;
+ }
+
+ if (mcdsize(dev) < 0) {
+ if (major(dev) == CDEV_MAJOR && part == RAW_PART) {
+ cd->openflags |= (1<<part);
+ if (phys)
+ cd->partflags[part] |= MCDREADRAW;
+ return 0;
+ }
+ printf("mcd%d: failed to get disk size\n",unit);
+ return ENXIO;
+ } else
+ cd->flags |= MCDVALID;
+
+ /* XXX get a default disklabel */
+ mcd_getdisklabel(unit);
+
+MCD_TRACE("open: partition=%d, disksize = %ld, blksize=%d\n",
+ part, cd->disksize, cd->blksize);
+
+ dev->si_bsize_phys = cd->blksize;
+
+ if (part == RAW_PART ||
+ (part < cd->dlabel.d_npartitions &&
+ cd->dlabel.d_partitions[part].p_fstype != FS_UNUSED)) {
+ cd->openflags |= (1<<part);
+ if (part == RAW_PART && phys)
+ cd->partflags[part] |= MCDREADRAW;
+ (void) mcd_lock_door(unit, MCD_LK_LOCK);
+ if (!(cd->flags & MCDVALID))
+ return ENXIO;
+ return 0;
+ }
+
+ return ENXIO;
+}
+
+int mcdclose(dev_t dev, int flags, int fmt, struct proc *p)
+{
+ int unit,part;
+ struct mcd_data *cd;
+
+ unit = mcd_unit(dev);
+ if (unit >= NMCD)
+ return ENXIO;
+
+ cd = mcd_data + unit;
+ part = mcd_part(dev);
+
+ if (!(cd->flags & MCDINIT) || !(cd->openflags & (1<<part)))
+ return ENXIO;
+
+ MCD_TRACE("close: partition=%d\n", part);
+
+ (void) mcd_lock_door(unit, MCD_LK_UNLOCK);
+ cd->openflags &= ~(1<<part);
+ cd->partflags[part] &= ~MCDREADRAW;
+
+ return 0;
+}
+
+void
+mcdstrategy(struct bio *bp)
+{
+ struct mcd_data *cd;
+ int s;
+
+ int unit = mcd_unit(bp->bio_dev);
+
+ cd = mcd_data + unit;
+
+ /* test validity */
+/*MCD_TRACE("strategy: buf=0x%lx, unit=%ld, block#=%ld bcount=%ld\n",
+ bp,unit,bp->bio_blkno,bp->bio_bcount);*/
+ if (unit >= NMCD || bp->bio_blkno < 0) {
+ printf("mcdstrategy: unit = %d, blkno = %ld, bcount = %ld\n",
+ unit, (long)bp->bio_blkno, bp->bio_bcount);
+ printf("mcd: mcdstratregy failure");
+ bp->bio_error = EINVAL;
+ bp->bio_flags |= BIO_ERROR;
+ goto bad;
+ }
+
+ /* if device invalidated (e.g. media change, door open), error */
+ if (!(cd->flags & MCDVALID)) {
+MCD_TRACE("strategy: drive not valid\n");
+ bp->bio_error = EIO;
+ goto bad;
+ }
+
+ /* read only */
+ if (!(bp->bio_cmd == BIO_READ)) {
+ bp->bio_error = EROFS;
+ goto bad;
+ }
+
+ /* no data to read */
+ if (bp->bio_bcount == 0)
+ goto done;
+
+ /* for non raw access, check partition limits */
+ if (mcd_part(bp->bio_dev) != RAW_PART) {
+ if (!(cd->flags & MCDLABEL)) {
+ bp->bio_error = EIO;
+ goto bad;
+ }
+ /* adjust transfer if necessary */
+ if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) {
+ goto done;
+ }
+ } else {
+ bp->bio_pblkno = bp->bio_blkno;
+ bp->bio_resid = 0;
+ }
+
+ /* queue it */
+ s = splbio();
+ bioqdisksort(&cd->head, bp);
+ splx(s);
+
+ /* now check whether we can perform processing */
+ mcd_start(unit);
+ return;
+
+bad:
+ bp->bio_flags |= BIO_ERROR;
+done:
+ bp->bio_resid = bp->bio_bcount;
+ biodone(bp);
+ return;
+}
+
+static void mcd_start(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct partition *p;
+ struct bio *bp;
+ int s = splbio();
+
+ if (cd->flags & MCDMBXBSY) {
+ splx(s);
+ return;
+ }
+
+ bp = bioq_first(&cd->head);
+ if (bp != 0) {
+ /* block found to process, dequeue */
+ /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
+ bioq_remove(&cd->head, bp);
+ splx(s);
+ } else {
+ /* nothing to do */
+ splx(s);
+ return;
+ }
+
+ /* changed media? */
+ if (!(cd->flags & MCDVALID)) {
+ MCD_TRACE("mcd_start: drive not valid\n");
+ return;
+ }
+
+ p = cd->dlabel.d_partitions + mcd_part(bp->bio_dev);
+
+ cd->flags |= MCDMBXBSY;
+ if (cd->partflags[mcd_part(bp->bio_dev)] & MCDREADRAW)
+ cd->flags |= MCDREADRAW;
+ cd->mbx.unit = unit;
+ cd->mbx.port = cd->iobase;
+ cd->mbx.retry = MCD_RETRYS;
+ cd->mbx.bp = bp;
+ cd->mbx.p_offset = p->p_offset;
+
+ /* calling the read routine */
+ mcd_doread(MCD_S_BEGIN,&(cd->mbx));
+ /* triggers mcd_start, when successful finished */
+ return;
+}
+
+int mcdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
+{
+ struct mcd_data *cd;
+ int unit,part,retry,r;
+
+ unit = mcd_unit(dev);
+ part = mcd_part(dev);
+ cd = mcd_data + unit;
+
+ if (mcd_getstat(unit, 1) == -1) /* detect disk change too */
+ return EIO;
+MCD_TRACE("ioctl called 0x%lx\n", cmd);
+
+ switch (cmd) {
+ case CDIOCSETPATCH:
+ case CDIOCGETVOL:
+ case CDIOCSETVOL:
+ case CDIOCSETMONO:
+ case CDIOCSETSTERIO:
+ case CDIOCSETMUTE:
+ case CDIOCSETLEFT:
+ case CDIOCSETRIGHT:
+ return EINVAL;
+ case CDIOCEJECT:
+ return mcd_eject(unit);
+ case CDIOCSETDEBUG:
+ cd->debug = 1;
+ return 0;
+ case CDIOCCLRDEBUG:
+ cd->debug = 0;
+ return 0;
+ case CDIOCRESET:
+ return mcd_hard_reset(unit);
+ case CDIOCALLOW:
+ return mcd_lock_door(unit, MCD_LK_UNLOCK);
+ case CDIOCPREVENT:
+ return mcd_lock_door(unit, MCD_LK_LOCK);
+ case CDIOCCLOSE:
+ return mcd_inject(unit);
+ }
+
+ if (!(cd->flags & MCDVALID)) {
+ if ( major(dev) != CDEV_MAJOR
+ || part != RAW_PART
+ || !(cd->openflags & (1<<RAW_PART))
+ )
+ return ENXIO;
+ if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
+ || !(cd->status & MCDDSKIN))
+ for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
+ (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsn2", hz/WAIT_FRAC);
+ if ((r = mcd_getstat(unit,1)) == -1)
+ return EIO;
+ if (r != -2)
+ break;
+ }
+ if ( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
+ || !(cd->status & MCDDSKIN)
+ || mcdsize(dev) < 0
+ )
+ return ENXIO;
+ cd->flags |= MCDVALID;
+ mcd_getdisklabel(unit);
+ if (mcd_phys(dev))
+ cd->partflags[part] |= MCDREADRAW;
+ (void) mcd_lock_door(unit, MCD_LK_LOCK);
+ if (!(cd->flags & MCDVALID))
+ return ENXIO;
+ }
+
+ switch (cmd) {
+ case DIOCGDINFO:
+ *(struct disklabel *) addr = cd->dlabel;
+ return 0;
+ case DIOCGPART:
+ ((struct partinfo *) addr)->disklab = &cd->dlabel;
+ ((struct partinfo *) addr)->part =
+ &cd->dlabel.d_partitions[mcd_part(dev)];
+ return 0;
+
+ /*
+ * a bit silly, but someone might want to test something on a
+ * section of cdrom.
+ */
+ case DIOCWDINFO:
+ case DIOCSDINFO:
+ if ((flags & FWRITE) == 0)
+ return EBADF;
+ else {
+ return setdisklabel(&cd->dlabel,
+ (struct disklabel *) addr,
+ 0);
+ }
+ case DIOCWLABEL:
+ return EBADF;
+ case CDIOCPLAYTRACKS:
+ return mcd_playtracks(unit, (struct ioc_play_track *) addr);
+ case CDIOCPLAYBLOCKS:
+ return mcd_playblocks(unit, (struct ioc_play_blocks *) addr);
+ case CDIOCPLAYMSF:
+ return mcd_playmsf(unit, (struct ioc_play_msf *) addr);
+ case CDIOCREADSUBCHANNEL:
+ return mcd_subchan(unit, (struct ioc_read_subchannel *) addr);
+ case CDIOREADTOCHEADER:
+ return mcd_toc_header(unit, (struct ioc_toc_header *) addr);
+ case CDIOREADTOCENTRYS:
+ return mcd_toc_entrys(unit, (struct ioc_read_toc_entry *) addr);
+ case CDIOCRESUME:
+ return mcd_resume(unit);
+ case CDIOCPAUSE:
+ return mcd_pause(unit);
+ case CDIOCSTART:
+ if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
+ return EIO;
+ return 0;
+ case CDIOCSTOP:
+ return mcd_stop(unit);
+ default:
+ return ENOTTY;
+ }
+ /*NOTREACHED*/
+}
+
+/* this could have been taken from scsi/cd.c, but it is not clear
+ * whether the scsi cd driver is linked in
+ */
+static int mcd_getdisklabel(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+
+ if (cd->flags & MCDLABEL)
+ return -1;
+
+ bzero(&cd->dlabel,sizeof(struct disklabel));
+ /* filled with spaces first */
+ strncpy(cd->dlabel.d_typename," ",
+ sizeof(cd->dlabel.d_typename));
+ strncpy(cd->dlabel.d_typename, cd->name,
+ min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
+ strncpy(cd->dlabel.d_packname,"unknown ",
+ sizeof(cd->dlabel.d_packname));
+ cd->dlabel.d_secsize = cd->blksize;
+ cd->dlabel.d_nsectors = 100;
+ cd->dlabel.d_ntracks = 1;
+ cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
+ cd->dlabel.d_secpercyl = 100;
+ cd->dlabel.d_secperunit = cd->disksize;
+ cd->dlabel.d_rpm = 300;
+ cd->dlabel.d_interleave = 1;
+ cd->dlabel.d_flags = D_REMOVABLE;
+ cd->dlabel.d_npartitions= 1;
+ cd->dlabel.d_partitions[0].p_offset = 0;
+ cd->dlabel.d_partitions[0].p_size = cd->disksize;
+ cd->dlabel.d_partitions[0].p_fstype = 9;
+ cd->dlabel.d_magic = DISKMAGIC;
+ cd->dlabel.d_magic2 = DISKMAGIC;
+ cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
+
+ cd->flags |= MCDLABEL;
+ return 0;
+}
+
+int mcdsize(dev_t dev)
+{
+ int size;
+ int unit = mcd_unit(dev);
+ struct mcd_data *cd = mcd_data + unit;
+
+ if (mcd_volinfo(unit) == 0) {
+ cd->blksize = MCDBLK;
+ size = msf2hsg(cd->volinfo.vol_msf, 0);
+ cd->disksize = size * (MCDBLK/DEV_BSIZE);
+ return 0;
+ }
+ return -1;
+}
+
+/***************************************************************
+ * lower level of driver starts here
+ **************************************************************/
+
+#ifdef NOTDEF
+static char
+irqs[] = {
+ 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
+ 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
+};
+
+static char
+drqs[] = {
+ 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
+};
+#endif
+
+#ifdef NOT_YET
+static void
+mcd_configure(struct mcd_data *cd)
+{
+ outb(cd->iobase+mcd_config,cd->config);
+}
+#endif
+
+/* Wait for non-busy - return 0 on timeout */
+static int
+twiddle_thumbs(int port, int unit, int count, char *whine)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
+ return 1;
+ }
+ if (bootverbose)
+ printf("mcd%d: timeout %s\n", unit, whine);
+ return 0;
+}
+
+/* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
+
+int
+mcd_probe(struct isa_device *dev)
+{
+ int port = dev->id_iobase;
+ int unit = dev->id_unit;
+ int i, j;
+ unsigned char stbytes[3];
+ static int once;
+
+ if (!once++)
+ cdevsw_add(&mcd_cdevsw);
+
+ mcd_data[unit].flags = MCDPROBING;
+
+#ifdef NOTDEF
+ /* get irq/drq configuration word */
+ mcd_data[unit].config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
+#else
+ mcd_data[unit].config = 0;
+#endif
+
+ /* send a reset */
+ outb(port+MCD_FLAGS, M_RESET);
+
+ /*
+ * delay awhile by getting any pending garbage (old data) and
+ * throwing it away.
+ */
+ for (i = 1000000; i != 0; i--)
+ inb(port+MCD_FLAGS);
+
+ /* Get status */
+ outb(port+MCD_DATA, MCD_CMDGETSTAT);
+ if (!twiddle_thumbs(port, unit, 1000000, "getting status"))
+ return 0; /* Timeout */
+ /* Get version information */
+ outb(port+MCD_DATA, MCD_CMDCONTINFO);
+ for (j = 0; j < 3; j++) {
+ if (!twiddle_thumbs(port, unit, 3000, "getting version info"))
+ return 0;
+ stbytes[j] = (inb(port+MCD_DATA) & 0xFF);
+ }
+ if (stbytes[1] == stbytes[2])
+ return 0;
+ if (stbytes[2] >= 4 || stbytes[1] != 'M') {
+ outb(port+MCD_CTRL, M_PICKLE);
+ mcd_data[unit].flags |= MCDNEWMODEL;
+ }
+ mcd_data[unit].read_command = MCD_CMDSINGLESPEEDREAD;
+ switch (stbytes[1]) {
+ case 'M':
+ if (stbytes[2] <= 2) {
+ mcd_data[unit].type = MCD_TYPE_LU002S;
+ mcd_data[unit].name = "Mitsumi LU002S";
+ } else if (stbytes[2] <= 5) {
+ mcd_data[unit].type = MCD_TYPE_LU005S;
+ mcd_data[unit].name = "Mitsumi LU005S";
+ } else {
+ mcd_data[unit].type = MCD_TYPE_LU006S;
+ mcd_data[unit].name = "Mitsumi LU006S";
+ }
+ break;
+ case 'F':
+ mcd_data[unit].type = MCD_TYPE_FX001;
+ mcd_data[unit].name = "Mitsumi FX001";
+ break;
+ case 'D':
+ mcd_data[unit].type = MCD_TYPE_FX001D;
+ mcd_data[unit].name = "Mitsumi FX001D";
+ mcd_data[unit].read_command = MCD_CMDDOUBLESPEEDREAD;
+ break;
+ default:
+ mcd_data[unit].type = MCD_TYPE_UNKNOWN;
+ mcd_data[unit].name = "Mitsumi ???";
+ break;
+ }
+ printf("mcd%d: type %s, version info: %c %x\n", unit, mcd_data[unit].name,
+ stbytes[1], stbytes[2]);
+
+ return 4;
+}
+
+
+static int
+mcd_waitrdy(int port,int dly)
+{
+ int i;
+
+ /* wait until flag port senses status ready */
+ for (i=0; i<dly; i+=MIN_DELAY) {
+ if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
+ return 0;
+ DELAY(MIN_DELAY);
+ }
+ return -1;
+}
+
+static int
+mcd_getreply(int unit,int dly)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase;
+
+ /* wait data to become ready */
+ if (mcd_waitrdy(port,dly)<0) {
+ printf("mcd%d: timeout getreply\n",unit);
+ return -1;
+ }
+
+ /* get the data */
+ return inb(port+mcd_status) & 0xFF;
+}
+
+static int
+mcd_getstat(int unit,int sflg)
+{
+ int i;
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase;
+
+ /* get the status */
+ if (sflg)
+ outb(port+mcd_command, MCD_CMDGETSTAT);
+ i = mcd_getreply(unit,DELAY_GETREPLY);
+ if (i<0 || (i & MCD_ST_CMDCHECK)) {
+ cd->curr_mode = MCD_MD_UNKNOWN;
+ return -1;
+ }
+
+ cd->status = i;
+
+ if (mcd_setflags(unit,cd) < 0)
+ return -2;
+ return cd->status;
+}
+
+static int
+mcd_setflags(int unit, struct mcd_data *cd)
+{
+ /* check flags */
+ if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
+ || !(cd->status & MCDDSKIN)) {
+ MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
+ mcd_soft_reset(unit);
+ return -1;
+ }
+
+ if (cd->status & MCDAUDIOBSY)
+ cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
+ else if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
+ cd->audio_status = CD_AS_PLAY_COMPLETED;
+ return 0;
+}
+
+static int
+mcd_get(int unit, char *buf, int nmax)
+{
+ int i,k;
+
+ for (i=0; i<nmax; i++) {
+ /* wait for data */
+ if ((k = mcd_getreply(unit,DELAY_GETREPLY)) < 0) {
+ printf("mcd%d: timeout mcd_get\n",unit);
+ return -1;
+ }
+ buf[i] = k;
+ }
+ return i;
+}
+
+static int
+mcd_send(int unit, int cmd,int nretrys)
+{
+ int i,k=0;
+ int port = mcd_data[unit].iobase;
+
+/*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
+ for (i=0; i<nretrys; i++) {
+ outb(port+mcd_command, cmd);
+ if ((k=mcd_getstat(unit,0)) != -1)
+ break;
+ }
+ if (k == -2) {
+ printf("mcd%d: media changed\n",unit);
+ return -1;
+ }
+ if (i == nretrys) {
+ printf("mcd%d: mcd_send retry cnt exceeded\n",unit);
+ return -1;
+ }
+/*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
+ return 0;
+}
+
+static void
+hsg2msf(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 int
+msf2hsg(bcd_t *msf, int relative)
+{
+ return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
+ bcd2bin(F_msf(msf)) - (!relative) * 150;
+}
+
+static int
+mcd_volinfo(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+
+ /* Just return if we already have it */
+ if (cd->flags & MCDVOLINFO) return 0;
+
+/*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
+
+ /* send volume info command */
+ if (mcd_send(unit,MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
+ return EIO;
+
+ /* get data */
+ if (mcd_get(unit,(char*) &cd->volinfo,sizeof(struct mcd_volinfo)) < 0) {
+ printf("mcd%d: mcd_volinfo: error read data\n",unit);
+ return EIO;
+ }
+
+ if (cd->volinfo.trk_low > 0 &&
+ cd->volinfo.trk_high >= cd->volinfo.trk_low
+ ) {
+ cd->flags |= MCDVOLINFO; /* volinfo is OK */
+ return 0;
+ }
+
+ return EINVAL;
+}
+
+static void
+mcdintr(unit)
+ int unit;
+{
+ MCD_TRACE("stray interrupt\n");
+}
+
+/* state machine to process read requests
+ * initialize with MCD_S_BEGIN: calculate sizes, and read status
+ * MCD_S_WAITSTAT: wait for status reply, set mode
+ * MCD_S_WAITMODE: waits for status reply from set mode, set read command
+ * MCD_S_WAITREAD: wait for read ready, read data
+ */
+static struct mcd_mbx *mbxsave;
+static struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohandle);
+
+static void
+mcd_timeout(void *arg)
+{
+ mcd_doread((int)arg, mbxsave);
+}
+
+static void
+mcd_doread(int state, struct mcd_mbx *mbxin)
+{
+ struct mcd_mbx *mbx = (state!=MCD_S_BEGIN) ? mbxsave : mbxin;
+ int unit = mbx->unit;
+ int port = mbx->port;
+ int com_port = mbx->port + mcd_command;
+ int data_port = mbx->port + mcd_rdata;
+ struct bio *bp = mbx->bp;
+ struct mcd_data *cd = mcd_data + unit;
+
+ int rm,i,k;
+ struct mcd_read2 rbuf;
+ int blknum;
+ caddr_t addr;
+
+loop:
+ switch (state) {
+ case MCD_S_BEGIN:
+ mbx = mbxsave = mbxin;
+
+ case MCD_S_BEGIN1:
+retry_status:
+ /* get status */
+ outb(com_port, MCD_CMDGETSTAT);
+ mbx->count = RDELAY_WAITSTAT;
+ tohandle = timeout(mcd_timeout,
+ (caddr_t)MCD_S_WAITSTAT,hz/100); /* XXX */
+ return;
+ case MCD_S_WAITSTAT:
+ untimeout(mcd_timeout,(caddr_t)MCD_S_WAITSTAT, tohandle);
+ if (mbx->count-- >= 0) {
+ if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
+ timeout(mcd_timeout,
+ (caddr_t)MCD_S_WAITSTAT,hz/100); /* XXX */
+ return;
+ }
+ cd->status = inb(port+mcd_status) & 0xFF;
+ if (cd->status & MCD_ST_CMDCHECK)
+ goto retry_status;
+ if (mcd_setflags(unit,cd) < 0)
+ goto changed;
+ MCD_TRACE("got WAITSTAT delay=%d\n",
+ RDELAY_WAITSTAT-mbx->count);
+ /* reject, if audio active */
+ if (cd->status & MCDAUDIOBSY) {
+ printf("mcd%d: audio is active\n",unit);
+ goto readerr;
+ }
+
+retry_mode:
+ /* to check for raw/cooked mode */
+ if (cd->flags & MCDREADRAW) {
+ rm = MCD_MD_RAW;
+ mbx->sz = MCDRBLK;
+ } else {
+ rm = MCD_MD_COOKED;
+ mbx->sz = cd->blksize;
+ }
+
+ if (rm == cd->curr_mode)
+ goto modedone;
+
+ mbx->count = RDELAY_WAITMODE;
+
+ cd->curr_mode = MCD_MD_UNKNOWN;
+ mbx->mode = rm;
+ mcd_put(com_port, MCD_CMDSETMODE);
+ mcd_put(com_port, rm);
+
+ tohandle = timeout(mcd_timeout,
+ (caddr_t)MCD_S_WAITMODE,hz/100); /* XXX */
+ return;
+ } else {
+ printf("mcd%d: timeout getstatus\n",unit);
+ goto readerr;
+ }
+
+ case MCD_S_WAITMODE:
+ untimeout(mcd_timeout,(caddr_t)MCD_S_WAITMODE, tohandle);
+ if (mbx->count-- < 0) {
+ printf("mcd%d: timeout set mode\n",unit);
+ goto readerr;
+ }
+ if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
+ tohandle = timeout(mcd_timeout,
+ (caddr_t)MCD_S_WAITMODE,hz/100);
+ return;
+ }
+ cd->status = inb(port+mcd_status) & 0xFF;
+ if (cd->status & MCD_ST_CMDCHECK) {
+ cd->curr_mode = MCD_MD_UNKNOWN;
+ goto retry_mode;
+ }
+ if (mcd_setflags(unit,cd) < 0)
+ goto changed;
+ cd->curr_mode = mbx->mode;
+ MCD_TRACE("got WAITMODE delay=%d\n",
+ RDELAY_WAITMODE-mbx->count);
+modedone:
+ /* for first block */
+ mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz;
+ mbx->skip = 0;
+
+nextblock:
+ blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE))
+ + mbx->p_offset + mbx->skip/mbx->sz;
+
+ MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
+ blknum, bp);
+
+ /* build parameter block */
+ hsg2msf(blknum,rbuf.start_msf);
+retry_read:
+ /* send the read command */
+ disable_intr();
+ mcd_put(com_port,cd->read_command);
+ mcd_put(com_port,rbuf.start_msf[0]);
+ mcd_put(com_port,rbuf.start_msf[1]);
+ mcd_put(com_port,rbuf.start_msf[2]);
+ mcd_put(com_port,0);
+ mcd_put(com_port,0);
+ mcd_put(com_port,1);
+ enable_intr();
+
+ /* Spin briefly (<= 2ms) to avoid missing next block */
+ for (i = 0; i < 20; i++) {
+ k = inb(port+MCD_FLAGS);
+ if (!(k & MFL_DATA_NOT_AVAIL))
+ goto got_it;
+ DELAY(100);
+ }
+
+ mbx->count = RDELAY_WAITREAD;
+ tohandle = timeout(mcd_timeout,
+ (caddr_t)MCD_S_WAITREAD,hz/100); /* XXX */
+ return;
+ case MCD_S_WAITREAD:
+ untimeout(mcd_timeout,(caddr_t)MCD_S_WAITREAD, tohandle);
+ if (mbx->count-- > 0) {
+ k = inb(port+MCD_FLAGS);
+ if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
+ MCD_TRACE("got data delay=%d\n",
+ RDELAY_WAITREAD-mbx->count);
+ got_it:
+ /* data is ready */
+ addr = bp->bio_data + mbx->skip;
+
+ outb(port+mcd_ctl2,0x04); /* XXX */
+ for (i=0; i<mbx->sz; i++)
+ *addr++ = inb(data_port);
+ outb(port+mcd_ctl2,0x0c); /* XXX */
+
+ k = inb(port+MCD_FLAGS);
+ /* If we still have some junk, read it too */
+ if (!(k & MFL_DATA_NOT_AVAIL)) {
+ outb(port+mcd_ctl2,0x04); /* XXX */
+ (void)inb(data_port);
+ (void)inb(data_port);
+ outb(port+mcd_ctl2,0x0c); /* XXX */
+ }
+
+ if (--mbx->nblk > 0) {
+ mbx->skip += mbx->sz;
+ goto nextblock;
+ }
+
+ /* return buffer */
+ bp->bio_resid = 0;
+ biodone(bp);
+
+ cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
+ mcd_start(mbx->unit);
+ return;
+ }
+ if (!(k & MFL_STATUS_NOT_AVAIL)) {
+ cd->status = inb(port+mcd_status) & 0xFF;
+ if (cd->status & MCD_ST_CMDCHECK)
+ goto retry_read;
+ if (mcd_setflags(unit,cd) < 0)
+ goto changed;
+ }
+ tohandle = timeout(mcd_timeout,
+ (caddr_t)MCD_S_WAITREAD,hz/100); /* XXX */
+ return;
+ } else {
+ printf("mcd%d: timeout read data\n",unit);
+ goto readerr;
+ }
+ }
+
+readerr:
+ if (mbx->retry-- > 0) {
+ printf("mcd%d: retrying\n",unit);
+ state = MCD_S_BEGIN1;
+ goto loop;
+ }
+harderr:
+ /* invalidate the buffer */
+ bp->bio_flags |= BIO_ERROR;
+ bp->bio_resid = bp->bio_bcount;
+ biodone(bp);
+
+ cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
+ mcd_start(mbx->unit);
+ return;
+
+changed:
+ printf("mcd%d: media changed\n", unit);
+ goto harderr;
+
+#ifdef NOTDEF
+ printf("mcd%d: unit timeout, resetting\n",mbx->unit);
+ outb(mbx->port+mcd_reset,MCD_CMDRESET);
+ DELAY(300000);
+ (void)mcd_getstat(mbx->unit,1);
+ (void)mcd_getstat(mbx->unit,1);
+ /*cd->status &= ~MCDDSKCHNG; */
+ cd->debug = 1; /* preventive set debug mode */
+
+#endif
+
+}
+
+static int
+mcd_lock_door(int unit, int lock)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase;
+
+ outb(port+mcd_command, MCD_CMDLOCKDRV);
+ outb(port+mcd_command, lock);
+ if (mcd_getstat(unit,0) == -1)
+ return EIO;
+ return 0;
+}
+
+static int
+mcd_close_tray(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase;
+ int retry, r;
+
+ if (mcd_getstat(unit,1) == -1)
+ return EIO;
+ if (cd->status & MCDDOOROPEN) {
+ outb(port+mcd_command, MCD_CMDCLOSETRAY);
+ for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
+ if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
+ (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC);
+ else {
+ if ((r = mcd_getstat(unit,0)) == -1)
+ return EIO;
+ return 0;
+ }
+ }
+ return ENXIO;
+ }
+ return 0;
+}
+
+static int
+mcd_eject(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase, r;
+
+ if (mcd_getstat(unit,1) == -1) /* detect disk change too */
+ return EIO;
+ if (cd->status & MCDDOOROPEN)
+ return 0;
+ if ((r = mcd_stop(unit)) == EIO)
+ return r;
+ outb(port+mcd_command, MCD_CMDEJECTDISK);
+ if (mcd_getstat(unit,0) == -1)
+ return EIO;
+ return 0;
+}
+
+static int
+mcd_inject(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+
+ if (mcd_getstat(unit,1) == -1) /* detect disk change too */
+ return EIO;
+ if (cd->status & MCDDOOROPEN)
+ return mcd_close_tray(unit);
+ return 0;
+}
+
+static int
+mcd_hard_reset(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase;
+
+ outb(port+mcd_reset,MCD_CMDRESET);
+ cd->curr_mode = MCD_MD_UNKNOWN;
+ cd->audio_status = CD_AS_AUDIO_INVALID;
+ return 0;
+}
+
+static void
+mcd_soft_reset(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int i;
+
+ cd->flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
+ cd->curr_mode = MCD_MD_UNKNOWN;
+ for (i=0; i<MAXPARTITIONS; i++) cd->partflags[i] = 0;
+ cd->audio_status = CD_AS_AUDIO_INVALID;
+}
+
+static int
+mcd_setmode(int unit, int mode)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int port = cd->iobase;
+ int retry, st;
+
+ if (cd->curr_mode == mode)
+ return 0;
+ if (cd->debug)
+ printf("mcd%d: setting mode to %d\n", unit, mode);
+ for(retry=0; retry<MCD_RETRYS; retry++)
+ {
+ cd->curr_mode = MCD_MD_UNKNOWN;
+ outb(port+mcd_command, MCD_CMDSETMODE);
+ outb(port+mcd_command, mode);
+ if ((st = mcd_getstat(unit, 0)) >= 0) {
+ cd->curr_mode = mode;
+ return 0;
+ }
+ if (st == -2) {
+ printf("mcd%d: media changed\n", unit);
+ break;
+ }
+ }
+
+ return -1;
+}
+
+static int
+mcd_toc_header(int unit, struct ioc_toc_header *th)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int r;
+
+ if ((r = mcd_volinfo(unit)) != 0)
+ return r;
+
+ th->starting_track = bcd2bin(cd->volinfo.trk_low);
+ th->ending_track = bcd2bin(cd->volinfo.trk_high);
+ th->len = 2 * sizeof(u_char) /* start & end tracks */ +
+ (th->ending_track + 1 - th->starting_track + 1) *
+ sizeof(struct cd_toc_entry);
+
+ return 0;
+}
+
+static int
+mcd_read_toc(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct ioc_toc_header th;
+ struct mcd_qchninfo q;
+ int rc, trk, idx, retry;
+
+ /* Only read TOC if needed */
+ if (cd->flags & MCDTOC)
+ return 0;
+
+ if (cd->debug)
+ printf("mcd%d: reading toc header\n", unit);
+
+ if ((rc = mcd_toc_header(unit, &th)) != 0)
+ return rc;
+
+ if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
+ return EIO;
+
+ if (mcd_setmode(unit, MCD_MD_TOC) != 0)
+ return EIO;
+
+ if (cd->debug)
+ printf("mcd%d: get_toc reading qchannel info\n",unit);
+
+ for(trk=th.starting_track; trk<=th.ending_track; trk++)
+ cd->toc[trk].idx_no = 0;
+ trk = th.ending_track - th.starting_track + 1;
+ for(retry=0; retry<600 && trk>0; retry++)
+ {
+ if (mcd_getqchan(unit, &q) < 0) break;
+ idx = bcd2bin(q.idx_no);
+ if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
+ if (cd->toc[idx].idx_no == 0) {
+ cd->toc[idx] = q;
+ trk--;
+ }
+ }
+ }
+
+ if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
+ return EIO;
+
+ if (trk != 0)
+ return ENXIO;
+
+ /* add a fake last+1 */
+ idx = th.ending_track + 1;
+ cd->toc[idx].control = cd->toc[idx-1].control;
+ cd->toc[idx].addr_type = cd->toc[idx-1].addr_type;
+ cd->toc[idx].trk_no = 0;
+ cd->toc[idx].idx_no = MCD_LASTPLUS1;
+ cd->toc[idx].hd_pos_msf[0] = cd->volinfo.vol_msf[0];
+ cd->toc[idx].hd_pos_msf[1] = cd->volinfo.vol_msf[1];
+ cd->toc[idx].hd_pos_msf[2] = cd->volinfo.vol_msf[2];
+
+ if (cd->debug)
+ { int i;
+ for (i = th.starting_track; i <= idx; i++)
+ printf("mcd%d: trk %d idx %d pos %d %d %d\n",
+ unit, i,
+ cd->toc[i].idx_no > 0x99 ? cd->toc[i].idx_no :
+ bcd2bin(cd->toc[i].idx_no),
+ bcd2bin(cd->toc[i].hd_pos_msf[0]),
+ bcd2bin(cd->toc[i].hd_pos_msf[1]),
+ bcd2bin(cd->toc[i].hd_pos_msf[2]));
+ }
+
+ cd->flags |= MCDTOC;
+
+ return 0;
+}
+
+#if 0
+static int
+mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct ioc_toc_header th;
+ int rc, trk;
+
+ if (te->address_format != CD_MSF_FORMAT
+ && te->address_format != CD_LBA_FORMAT)
+ return EINVAL;
+
+ /* Copy the toc header */
+ if ((rc = mcd_toc_header(unit, &th)) != 0)
+ return rc;
+
+ /* verify starting track */
+ trk = te->track;
+ if (trk == 0)
+ trk = th.starting_track;
+ else if (trk == MCD_LASTPLUS1)
+ trk = th.ending_track + 1;
+ else if (trk < th.starting_track || trk > th.ending_track + 1)
+ return EINVAL;
+
+ /* Make sure we have a valid toc */
+ if ((rc=mcd_read_toc(unit)) != 0)
+ return rc;
+
+ /* Copy the TOC data. */
+ if (cd->toc[trk].idx_no == 0)
+ return EIO;
+
+ te->entry.control = cd->toc[trk].control;
+ te->entry.addr_type = cd->toc[trk].addr_type;
+ te->entry.track =
+ cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
+ bcd2bin(cd->toc[trk].idx_no);
+ switch (te->address_format) {
+ case CD_MSF_FORMAT:
+ te->entry.addr.msf.unused = 0;
+ te->entry.addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
+ te->entry.addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
+ te->entry.addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
+ break;
+ case CD_LBA_FORMAT:
+ te->entry.addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
+ break;
+ }
+ return 0;
+}
+#endif
+
+static int
+mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct cd_toc_entry entries[MCD_MAXTOCS];
+ struct ioc_toc_header th;
+ int rc, n, trk, len;
+
+ if ( te->data_len < sizeof(entries[0])
+ || (te->data_len % sizeof(entries[0])) != 0
+ || (te->address_format != CD_MSF_FORMAT
+ && te->address_format != CD_LBA_FORMAT)
+ )
+ return EINVAL;
+
+ /* Copy the toc header */
+ if ((rc = mcd_toc_header(unit, &th)) != 0)
+ return rc;
+
+ /* verify starting track */
+ trk = te->starting_track;
+ if (trk == 0)
+ trk = th.starting_track;
+ else if (trk == MCD_LASTPLUS1)
+ trk = th.ending_track + 1;
+ else if (trk < th.starting_track || trk > th.ending_track + 1)
+ return EINVAL;
+
+ len = ((th.ending_track + 1 - trk) + 1) *
+ sizeof(entries[0]);
+ if (te->data_len < len)
+ len = te->data_len;
+ if (len > sizeof(entries))
+ return EINVAL;
+
+ /* Make sure we have a valid toc */
+ if ((rc=mcd_read_toc(unit)) != 0)
+ return rc;
+
+ /* Copy the TOC data. */
+ for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
+ if (cd->toc[trk].idx_no == 0)
+ continue;
+ entries[n].control = cd->toc[trk].control;
+ entries[n].addr_type = cd->toc[trk].addr_type;
+ entries[n].track =
+ cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
+ bcd2bin(cd->toc[trk].idx_no);
+ switch (te->address_format) {
+ case CD_MSF_FORMAT:
+ entries[n].addr.msf.unused = 0;
+ entries[n].addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
+ entries[n].addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
+ entries[n].addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
+ break;
+ case CD_LBA_FORMAT:
+ entries[n].addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
+ break;
+ }
+ len -= sizeof(struct cd_toc_entry);
+ n++;
+ }
+
+ /* copy the data back */
+ return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
+}
+
+static int
+mcd_stop(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+
+ /* Verify current status */
+ if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
+ cd->audio_status != CD_AS_PLAY_PAUSED &&
+ cd->audio_status != CD_AS_PLAY_COMPLETED) {
+ if (cd->debug)
+ printf("mcd%d: stop attempted when not playing, audio status %d\n",
+ unit, cd->audio_status);
+ return EINVAL;
+ }
+ if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
+ if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
+ return EIO;
+ cd->audio_status = CD_AS_PLAY_COMPLETED;
+ return 0;
+}
+
+static int
+mcd_getqchan(int unit, struct mcd_qchninfo *q)
+{
+ struct mcd_data *cd = mcd_data + unit;
+
+ if (mcd_send(unit, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
+ return -1;
+ if (mcd_get(unit, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
+ return -1;
+ if (cd->debug) {
+ printf("mcd%d: getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
+ unit,
+ q->control, q->addr_type, bcd2bin(q->trk_no),
+ bcd2bin(q->idx_no),
+ bcd2bin(q->trk_size_msf[0]), bcd2bin(q->trk_size_msf[1]),
+ bcd2bin(q->trk_size_msf[2]),
+ bcd2bin(q->hd_pos_msf[0]), bcd2bin(q->hd_pos_msf[1]),
+ bcd2bin(q->hd_pos_msf[2]));
+ }
+ return 0;
+}
+
+static int
+mcd_subchan(int unit, struct ioc_read_subchannel *sc)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct mcd_qchninfo q;
+ struct cd_sub_channel_info data;
+ int lba;
+
+ if (cd->debug)
+ printf("mcd%d: subchan af=%d, df=%d\n", unit,
+ sc->address_format,
+ sc->data_format);
+
+ if (sc->address_format != CD_MSF_FORMAT &&
+ sc->address_format != CD_LBA_FORMAT)
+ return EINVAL;
+
+ if (sc->data_format != CD_CURRENT_POSITION &&
+ sc->data_format != CD_MEDIA_CATALOG)
+ return EINVAL;
+
+ if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
+ return EIO;
+
+ if (mcd_getqchan(unit, &q) < 0)
+ return EIO;
+
+ data.header.audio_status = cd->audio_status;
+ data.what.position.data_format = sc->data_format;
+
+ switch (sc->data_format) {
+ case CD_MEDIA_CATALOG:
+ data.what.media_catalog.mc_valid = 1;
+ data.what.media_catalog.mc_number[0] = '\0';
+ break;
+
+ case CD_CURRENT_POSITION:
+ data.what.position.control = q.control;
+ data.what.position.addr_type = q.addr_type;
+ data.what.position.track_number = bcd2bin(q.trk_no);
+ data.what.position.index_number = bcd2bin(q.idx_no);
+ switch (sc->address_format) {
+ case CD_MSF_FORMAT:
+ data.what.position.reladdr.msf.unused = 0;
+ data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
+ data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
+ data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
+ data.what.position.absaddr.msf.unused = 0;
+ data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
+ data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
+ data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
+ break;
+ case CD_LBA_FORMAT:
+ lba = msf2hsg(q.trk_size_msf, 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 == 0)
+ lba = -lba;
+ data.what.position.reladdr.lba = htonl(lba);
+ data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
+ break;
+ }
+ break;
+ }
+
+ return copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len));
+}
+
+static int
+mcd_playmsf(int unit, struct ioc_play_msf *p)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct mcd_read2 pb;
+
+ if (cd->debug)
+ printf("mcd%d: playmsf: from %d:%d.%d to %d:%d.%d\n",
+ unit,
+ 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) ||
+ (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
+ M_msf(cd->volinfo.vol_msf) * 60 * 75 +
+ S_msf(cd->volinfo.vol_msf) * 75 +
+ F_msf(cd->volinfo.vol_msf))
+ return EINVAL;
+
+ pb.start_msf[0] = bin2bcd(p->start_m);
+ pb.start_msf[1] = bin2bcd(p->start_s);
+ pb.start_msf[2] = bin2bcd(p->start_f);
+ pb.end_msf[0] = bin2bcd(p->end_m);
+ pb.end_msf[1] = bin2bcd(p->end_s);
+ pb.end_msf[2] = bin2bcd(p->end_f);
+
+ if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
+ return EIO;
+
+ return mcd_play(unit, &pb);
+}
+
+static int
+mcd_playtracks(int unit, struct ioc_play_track *pt)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct mcd_read2 pb;
+ int a = pt->start_track;
+ int z = pt->end_track;
+ int rc, i;
+
+ if ((rc = mcd_read_toc(unit)) != 0)
+ return rc;
+
+ if (cd->debug)
+ printf("mcd%d: playtracks from %d:%d to %d:%d\n", unit,
+ a, pt->start_index, z, pt->end_index);
+
+ if ( a < bcd2bin(cd->volinfo.trk_low)
+ || a > bcd2bin(cd->volinfo.trk_high)
+ || a > z
+ || z < bcd2bin(cd->volinfo.trk_low)
+ || z > bcd2bin(cd->volinfo.trk_high))
+ return EINVAL;
+
+ for (i = 0; i < 3; i++) {
+ pb.start_msf[i] = cd->toc[a].hd_pos_msf[i];
+ pb.end_msf[i] = cd->toc[z+1].hd_pos_msf[i];
+ }
+
+ if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
+ return EIO;
+
+ return mcd_play(unit, &pb);
+}
+
+static int
+mcd_playblocks(int unit, struct ioc_play_blocks *p)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct mcd_read2 pb;
+
+ if (cd->debug)
+ printf("mcd%d: playblocks: blkno %d length %d\n",
+ unit, p->blk, p->len);
+
+ if (p->blk > cd->disksize || p->len > cd->disksize ||
+ p->blk < 0 || p->len < 0 ||
+ (p->blk + p->len) > cd->disksize)
+ return EINVAL;
+
+ hsg2msf(p->blk, pb.start_msf);
+ hsg2msf(p->blk + p->len, pb.end_msf);
+
+ if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
+ return EIO;
+
+ return mcd_play(unit, &pb);
+}
+
+static int
+mcd_play(int unit, struct mcd_read2 *pb)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ int com_port = cd->iobase + mcd_command;
+ int retry, st = -1, status;
+
+ cd->lastpb = *pb;
+ for(retry=0; retry<MCD_RETRYS; retry++) {
+
+ disable_intr();
+ outb(com_port, MCD_CMDSINGLESPEEDREAD);
+ outb(com_port, pb->start_msf[0]);
+ outb(com_port, pb->start_msf[1]);
+ outb(com_port, pb->start_msf[2]);
+ outb(com_port, pb->end_msf[0]);
+ outb(com_port, pb->end_msf[1]);
+ outb(com_port, pb->end_msf[2]);
+ enable_intr();
+
+ status=mcd_getstat(unit, 0);
+ if (status == -1)
+ continue;
+ else if (status != -2)
+ st = 0;
+ break;
+ }
+
+ if (status == -2) {
+ printf("mcd%d: media changed\n", unit);
+ return ENXIO;
+ }
+ if (cd->debug)
+ printf("mcd%d: mcd_play retry=%d, status=0x%02x\n", unit, retry, status);
+ if (st < 0)
+ return ENXIO;
+ cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
+ return 0;
+}
+
+static int
+mcd_pause(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+ struct mcd_qchninfo q;
+ int rc;
+
+ /* Verify current status */
+ if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
+ cd->audio_status != CD_AS_PLAY_PAUSED) {
+ if (cd->debug)
+ printf("mcd%d: pause attempted when not playing, audio status %d\n",
+ unit, cd->audio_status);
+ return EINVAL;
+ }
+
+ /* Get the current position */
+ if (mcd_getqchan(unit, &q) < 0)
+ return EIO;
+
+ /* Copy it into lastpb */
+ cd->lastpb.start_msf[0] = q.hd_pos_msf[0];
+ cd->lastpb.start_msf[1] = q.hd_pos_msf[1];
+ cd->lastpb.start_msf[2] = q.hd_pos_msf[2];
+
+ /* Stop playing */
+ if ((rc=mcd_stop(unit)) != 0)
+ return rc;
+
+ /* Set the proper status and exit */
+ cd->audio_status = CD_AS_PLAY_PAUSED;
+ return 0;
+}
+
+static int
+mcd_resume(int unit)
+{
+ struct mcd_data *cd = mcd_data + unit;
+
+ if (cd->audio_status != CD_AS_PLAY_PAUSED)
+ return EINVAL;
+ return mcd_play(unit, &cd->lastpb);
+}
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