2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia
7 * Rewrote probe routine to work on newer Mitsumi drives.
8 * Additional changes (C) 1994 by Jordan K. Hubbard
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This software was developed by Holger Veit and Brian Moore
23 * for use with "386BSD" and similar operating systems.
24 * "Similar operating systems" includes mainly non-profit oriented
25 * systems for research and education, including but not restricted to
26 * "NetBSD", "FreeBSD", "Mach" (by CMU).
27 * 4. Neither the name of the developer(s) nor the name "386BSD"
28 * may be used to endorse or promote products derived from this
29 * software without specific prior written permission.
31 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
32 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
34 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
36 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
37 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
38 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
47 static const char __used COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
53 #include <sys/fcntl.h>
59 #include <machine/bus.h>
60 #include <machine/resource.h>
63 #include <isa/isavar.h>
65 #include <dev/mcd/mcdreg.h>
66 #include <dev/mcd/mcdvar.h>
68 #define MCD_TRACE(format, args...) \
71 device_printf(sc->dev, "status=0x%02x: ", \
73 printf(format, ## args); \
80 #define MCDVALID 0x0001 /* parameters loaded */
81 #define MCDINIT 0x0002 /* device is init'd */
82 #define MCDNEWMODEL 0x0004 /* device is new model */
83 #define MCDLABEL 0x0008 /* label is read */
84 #define MCDPROBING 0x0010 /* probing */
85 #define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
86 #define MCDVOLINFO 0x0040 /* already read volinfo */
87 #define MCDTOC 0x0080 /* already read toc */
88 #define MCDMBXBSY 0x0100 /* local mbx is busy */
91 #define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
92 #define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
93 #define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
94 #define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
96 /* These are apparently the different states a mitsumi can get up to */
97 #define MCDCDABSENT 0x0030
98 #define MCDCDPRESENT 0x0020
99 #define MCDSCLOSED 0x0080
100 #define MCDSOPEN 0x00a0
102 #define MCD_MD_UNKNOWN (-1)
104 #define MCD_TYPE_UNKNOWN 0
105 #define MCD_TYPE_LU002S 1
106 #define MCD_TYPE_LU005S 2
107 #define MCD_TYPE_LU006S 3
108 #define MCD_TYPE_FX001 4
109 #define MCD_TYPE_FX001D 5
111 /* reader state machine */
112 #define MCD_S_BEGIN 0
113 #define MCD_S_BEGIN1 1
114 #define MCD_S_WAITSTAT 2
115 #define MCD_S_WAITMODE 3
116 #define MCD_S_WAITREAD 4
119 static void mcd_start(struct mcd_softc *);
121 static void mcd_configure(struct mcd_softc *sc);
123 static int mcd_get(struct mcd_softc *, char *buf, int nmax);
124 static int mcd_setflags(struct mcd_softc *);
125 static int mcd_getstat(struct mcd_softc *,int sflg);
126 static int mcd_send(struct mcd_softc *, int cmd,int nretrys);
127 static void hsg2msf(int hsg, bcd_t *msf);
128 static int msf2hsg(bcd_t *msf, int relative);
129 static int mcd_volinfo(struct mcd_softc *);
130 static int mcd_waitrdy(struct mcd_softc *,int dly);
131 static void mcd_timeout(void *arg);
132 static void mcd_doread(struct mcd_softc *, int state, struct mcd_mbx *mbxin);
133 static void mcd_soft_reset(struct mcd_softc *);
134 static int mcd_hard_reset(struct mcd_softc *);
135 static int mcd_setmode(struct mcd_softc *, int mode);
136 static int mcd_getqchan(struct mcd_softc *, struct mcd_qchninfo *q);
137 static int mcd_subchan(struct mcd_softc *, struct ioc_read_subchannel *sc);
138 static int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *th);
139 static int mcd_read_toc(struct mcd_softc *);
140 static int mcd_toc_entrys(struct mcd_softc *, struct ioc_read_toc_entry *te);
142 static int mcd_toc_entry(struct mcd_softc *, struct ioc_read_toc_single_entry *te);
144 static int mcd_stop(struct mcd_softc *);
145 static int mcd_eject(struct mcd_softc *);
146 static int mcd_inject(struct mcd_softc *);
147 static int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *pt);
148 static int mcd_play(struct mcd_softc *, struct mcd_read2 *pb);
149 static int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *pt);
150 static int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *);
151 static int mcd_pause(struct mcd_softc *);
152 static int mcd_resume(struct mcd_softc *);
153 static int mcd_lock_door(struct mcd_softc *, int lock);
154 static int mcd_close_tray(struct mcd_softc *);
155 static int mcd_size(struct cdev *dev);
157 static d_open_t mcdopen;
158 static d_close_t mcdclose;
159 static d_ioctl_t mcdioctl;
160 static d_strategy_t mcdstrategy;
162 static struct cdevsw mcd_cdevsw = {
163 .d_version = D_VERSION,
168 .d_strategy = mcdstrategy,
174 #define MCD_RDRETRYS 8
176 #define CLOSE_TRAY_SECS 8
177 #define DISK_SENSE_SECS 3
181 #define RDELAY_WAITSTAT 300
182 #define RDELAY_WAITMODE 300
183 #define RDELAY_WAITREAD 800
186 #define DELAY_GETREPLY 5000000
189 mcd_attach(struct mcd_softc *sc)
193 unit = device_get_unit(sc->dev);
196 sc->data.flags |= MCDINIT;
198 bioq_init(&sc->data.head);
201 /* wire controller for interrupts and dma */
205 /* name filled in probe */
206 sc->mcd_dev_t = make_dev(&mcd_cdevsw, 8 * unit,
207 UID_ROOT, GID_OPERATOR, 0640, "mcd%d", unit);
209 sc->mcd_dev_t->si_drv1 = (void *)sc;
210 callout_init_mtx(&sc->timer, &sc->mtx, 0);
211 device_printf(sc->dev,
212 "WARNING: This driver is deprecated and will be removed.\n");
218 mcdopen(struct cdev *dev, int flags, int fmt, struct thread *td)
220 struct mcd_softc *sc;
223 sc = (struct mcd_softc *)dev->si_drv1;
225 /* invalidated in the meantime? mark all open part's invalid */
227 if (!(sc->data.flags & MCDVALID) && sc->data.openflags) {
232 if (mcd_getstat(sc, 1) == -1) {
237 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
238 || !(sc->data.status & MCDDSKIN))
239 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
240 (void) mtx_sleep(sc, &sc->mtx, PSOCK | PCATCH,
241 "mcdsn1", hz/WAIT_FRAC);
242 if ((r = mcd_getstat(sc, 1)) == -1) {
250 if (sc->data.status & MCDDOOROPEN) {
252 device_printf(sc->dev, "door is open\n");
255 if (!(sc->data.status & MCDDSKIN)) {
257 device_printf(sc->dev, "no CD inside\n");
260 if (sc->data.status & MCDDSKCHNG) {
262 device_printf(sc->dev, "CD not sensed\n");
266 if (mcd_size(dev) < 0) {
268 device_printf(sc->dev, "failed to get disk size\n");
272 sc->data.openflags = 1;
273 sc->data.partflags |= MCDREADRAW;
274 sc->data.flags |= MCDVALID;
276 (void) mcd_lock_door(sc, MCD_LK_LOCK);
277 if (!(sc->data.flags & MCDVALID)) {
282 r = mcd_read_toc(sc);
288 mcdclose(struct cdev *dev, int flags, int fmt, struct thread *td)
290 struct mcd_softc *sc;
292 sc = (struct mcd_softc *)dev->si_drv1;
295 KASSERT(sc->data.openflags, ("device not open"));
297 (void) mcd_lock_door(sc, MCD_LK_UNLOCK);
298 sc->data.openflags = 0;
299 sc->data.partflags &= ~MCDREADRAW;
306 mcdstrategy(struct bio *bp)
308 struct mcd_softc *sc;
310 sc = (struct mcd_softc *)bp->bio_dev->si_drv1;
312 /* if device invalidated (e.g. media change, door open), error */
314 if (!(sc->data.flags & MCDVALID)) {
315 device_printf(sc->dev, "media changed\n");
321 if (!(bp->bio_cmd == BIO_READ)) {
322 bp->bio_error = EROFS;
326 /* no data to read */
327 if (bp->bio_bcount == 0)
330 if (!(sc->data.flags & MCDTOC)) {
338 bioq_disksort(&sc->data.head, bp);
340 /* now check whether we can perform processing */
346 bp->bio_flags |= BIO_ERROR;
349 bp->bio_resid = bp->bio_bcount;
355 mcd_start(struct mcd_softc *sc)
359 MCD_ASSERT_LOCKED(sc);
360 if (sc->data.flags & MCDMBXBSY) {
364 bp = bioq_takefirst(&sc->data.head);
366 /* block found to process, dequeue */
367 /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
368 sc->data.flags |= MCDMBXBSY;
374 sc->data.mbx.retry = MCD_RETRYS;
375 sc->data.mbx.bp = bp;
377 mcd_doread(sc, MCD_S_BEGIN,&(sc->data.mbx));
382 mcdioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
384 struct mcd_softc *sc;
387 sc = (struct mcd_softc *)dev->si_drv1;
390 if (mcd_getstat(sc, 1) == -1) { /* detect disk change too */
394 MCD_TRACE("ioctl called 0x%lx\n", cmd);
420 r = mcd_hard_reset(sc);
424 r = mcd_lock_door(sc, MCD_LK_UNLOCK);
428 r = mcd_lock_door(sc, MCD_LK_LOCK);
437 if (!(sc->data.flags & MCDVALID)) {
438 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
439 || !(sc->data.status & MCDDSKIN))
440 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
441 (void) mtx_sleep(sc, &sc->mtx, PSOCK | PCATCH,
442 "mcdsn2", hz/WAIT_FRAC);
443 if ((r = mcd_getstat(sc, 1)) == -1) {
450 if ( (sc->data.status & (MCDDOOROPEN|MCDDSKCHNG))
451 || !(sc->data.status & MCDDSKIN)
457 sc->data.flags |= MCDVALID;
458 sc->data.partflags |= MCDREADRAW;
459 (void) mcd_lock_door(sc, MCD_LK_LOCK);
460 if (!(sc->data.flags & MCDVALID)) {
468 *(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize;
471 case DIOCGSECTORSIZE:
472 *(u_int *)addr = sc->data.blksize;
475 case CDIOCPLAYTRACKS:
476 r = mcd_playtracks(sc, (struct ioc_play_track *) addr);
478 case CDIOCPLAYBLOCKS:
479 r = mcd_playblocks(sc, (struct ioc_play_blocks *) addr);
482 r = mcd_playmsf(sc, (struct ioc_play_msf *) addr);
484 case CDIOCREADSUBCHANNEL:
485 return mcd_subchan(sc, (struct ioc_read_subchannel *) addr);
486 case CDIOREADTOCHEADER:
487 r = mcd_toc_header(sc, (struct ioc_toc_header *) addr);
489 case CDIOREADTOCENTRYS:
490 return mcd_toc_entrys(sc, (struct ioc_read_toc_entry *) addr);
498 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
514 mcd_size(struct cdev *dev)
516 struct mcd_softc *sc;
519 sc = (struct mcd_softc *)dev->si_drv1;
521 if (mcd_volinfo(sc) == 0) {
522 sc->data.blksize = MCDBLK;
523 size = msf2hsg(sc->data.volinfo.vol_msf, 0);
524 sc->data.disksize = size * (MCDBLK/DEV_BSIZE);
530 /***************************************************************
531 * lower level of driver starts here
532 **************************************************************/
537 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
538 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
543 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
549 mcd_configure(struct mcd_softc *sc)
551 MCD_WRITE(sc, MCD_REG_CONFIG, sc->data.config);
555 /* Wait for non-busy - return 0 on timeout */
557 twiddle_thumbs(struct mcd_softc *sc, int count, char *whine)
561 for (i = 0; i < count; i++) {
562 if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
566 device_printf(sc->dev, "timeout %s\n", whine);
570 /* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
573 mcd_probe(struct mcd_softc *sc)
576 unsigned char stbytes[3];
578 sc->data.flags = MCDPROBING;
581 /* get irq/drq configuration word */
582 sc->data.config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
588 MCD_WRITE(sc, MCD_FLAGS, M_RESET);
591 * delay awhile by getting any pending garbage (old data) and
594 for (i = 1000000; i != 0; i--)
595 (void)MCD_READ(sc, MCD_FLAGS);
598 MCD_WRITE(sc, MCD_DATA, MCD_CMDGETSTAT);
599 if (!twiddle_thumbs(sc, 1000000, "getting status"))
600 return (ENXIO); /* Timeout */
601 /* Get version information */
602 MCD_WRITE(sc, MCD_DATA, MCD_CMDCONTINFO);
603 for (j = 0; j < 3; j++) {
604 if (!twiddle_thumbs(sc, 3000, "getting version info"))
606 stbytes[j] = (MCD_READ(sc, MCD_DATA) & 0xFF);
608 if (stbytes[1] == stbytes[2])
610 if (stbytes[2] >= 4 || stbytes[1] != 'M') {
611 MCD_WRITE(sc, MCD_CTRL, M_PICKLE);
612 sc->data.flags |= MCDNEWMODEL;
614 sc->data.read_command = MCD_CMDSINGLESPEEDREAD;
615 switch (stbytes[1]) {
617 if (stbytes[2] <= 2) {
618 sc->data.type = MCD_TYPE_LU002S;
619 sc->data.name = "Mitsumi LU002S";
620 } else if (stbytes[2] <= 5) {
621 sc->data.type = MCD_TYPE_LU005S;
622 sc->data.name = "Mitsumi LU005S";
624 sc->data.type = MCD_TYPE_LU006S;
625 sc->data.name = "Mitsumi LU006S";
629 sc->data.type = MCD_TYPE_FX001;
630 sc->data.name = "Mitsumi FX001";
633 sc->data.type = MCD_TYPE_FX001D;
634 sc->data.name = "Mitsumi FX001D";
635 sc->data.read_command = MCD_CMDDOUBLESPEEDREAD;
638 sc->data.type = MCD_TYPE_UNKNOWN;
639 sc->data.name = "Mitsumi ???";
644 device_printf(sc->dev, "type %s, version info: %c %x\n",
645 sc->data.name, stbytes[1], stbytes[2]);
652 mcd_waitrdy(struct mcd_softc *sc, int dly)
656 /* wait until flag port senses status ready */
657 for (i=0; i<dly; i+=MIN_DELAY) {
658 if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
666 mcd_getreply(struct mcd_softc *sc, int dly)
669 /* wait data to become ready */
670 if (mcd_waitrdy(sc, dly)<0) {
671 device_printf(sc->dev, "timeout getreply\n");
676 return (MCD_READ(sc, MCD_REG_STATUS) & 0xFF);
680 mcd_getstat(struct mcd_softc *sc, int sflg)
686 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
687 i = mcd_getreply(sc, DELAY_GETREPLY);
688 if (i<0 || (i & MCD_ST_CMDCHECK)) {
689 sc->data.curr_mode = MCD_MD_UNKNOWN;
695 if (mcd_setflags(sc) < 0)
697 return (sc->data.status);
701 mcd_setflags(struct mcd_softc *sc)
705 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
706 || !(sc->data.status & MCDDSKIN)) {
707 MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
712 if (sc->data.status & MCDAUDIOBSY)
713 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
714 else if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS)
715 sc->data.audio_status = CD_AS_PLAY_COMPLETED;
720 mcd_get(struct mcd_softc *sc, char *buf, int nmax)
724 for (i=0; i<nmax; i++) {
726 if ((k = mcd_getreply(sc, DELAY_GETREPLY)) < 0) {
727 device_printf(sc->dev, "timeout mcd_get\n");
736 mcd_send(struct mcd_softc *sc, int cmd,int nretrys)
740 /*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
741 for (i=0; i<nretrys; i++) {
742 MCD_WRITE(sc, MCD_REG_COMMAND, cmd);
743 if ((k=mcd_getstat(sc, 0)) != -1)
747 device_printf(sc->dev, "media changed\n");
751 device_printf(sc->dev, "mcd_send retry cnt exceeded\n");
754 /*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
759 hsg2msf(int hsg, bcd_t *msf)
762 F_msf(msf) = bin2bcd(hsg % 75);
764 S_msf(msf) = bin2bcd(hsg % 60);
766 M_msf(msf) = bin2bcd(hsg);
770 msf2hsg(bcd_t *msf, int relative)
772 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
773 bcd2bin(F_msf(msf)) - (!relative) * 150;
777 mcd_volinfo(struct mcd_softc *sc)
780 /* Just return if we already have it */
781 if (sc->data.flags & MCDVOLINFO) return (0);
783 /*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
785 /* send volume info command */
786 if (mcd_send(sc, MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
790 if (mcd_get(sc, (char*) &sc->data.volinfo,sizeof(struct mcd_volinfo)) < 0) {
791 device_printf(sc->dev, "mcd_volinfo: error read data\n");
795 if (sc->data.volinfo.trk_low > 0 &&
796 sc->data.volinfo.trk_high >= sc->data.volinfo.trk_low
798 sc->data.flags |= MCDVOLINFO; /* volinfo is OK */
805 /* state machine to process read requests
806 * initialize with MCD_S_BEGIN: calculate sizes, and read status
807 * MCD_S_WAITSTAT: wait for status reply, set mode
808 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
809 * MCD_S_WAITREAD: wait for read ready, read data
812 mcd_timeout(void *arg)
814 struct mcd_softc *sc;
816 sc = (struct mcd_softc *)arg;
818 MCD_ASSERT_LOCKED(sc);
819 mcd_doread(sc, sc->ch_state, sc->ch_mbxsave);
823 mcd_doread(struct mcd_softc *sc, int state, struct mcd_mbx *mbxin)
828 struct mcd_read2 rbuf;
832 MCD_ASSERT_LOCKED(sc);
833 mbx = (state!=MCD_S_BEGIN) ? sc->ch_mbxsave : mbxin;
839 mbx = sc->ch_mbxsave = mbxin;
844 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
845 mbx->count = RDELAY_WAITSTAT;
846 sc->ch_state = MCD_S_WAITSTAT;
847 callout_reset(&sc->timer, hz/100, mcd_timeout, sc); /* XXX */
850 sc->ch_state = MCD_S_WAITSTAT;
851 callout_stop(&sc->timer);
852 if (mbx->count-- >= 0) {
853 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
854 sc->ch_state = MCD_S_WAITSTAT;
855 callout_reset(&sc->timer, hz/100,
856 mcd_timeout, sc); /* XXX */
859 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
860 if (sc->data.status & MCD_ST_CMDCHECK)
862 if (mcd_setflags(sc) < 0)
864 MCD_TRACE("got WAITSTAT delay=%d\n",
865 RDELAY_WAITSTAT-mbx->count);
866 /* reject, if audio active */
867 if (sc->data.status & MCDAUDIOBSY) {
868 device_printf(sc->dev, "audio is active\n");
873 /* to check for raw/cooked mode */
874 if (sc->data.flags & MCDREADRAW) {
879 mbx->sz = sc->data.blksize;
882 if (rm == sc->data.curr_mode)
885 mbx->count = RDELAY_WAITMODE;
887 sc->data.curr_mode = MCD_MD_UNKNOWN;
889 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE);
890 MCD_WRITE(sc, MCD_REG_COMMAND, rm);
892 sc->ch_state = MCD_S_WAITMODE;
893 callout_reset(&sc->timer, hz / 100, mcd_timeout, sc); /* XXX */
896 device_printf(sc->dev, "timeout getstatus\n");
901 sc->ch_state = MCD_S_WAITMODE;
902 callout_stop(&sc->timer);
903 if (mbx->count-- < 0) {
904 device_printf(sc->dev, "timeout set mode\n");
907 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
908 sc->ch_state = MCD_S_WAITMODE;
909 callout_reset(&sc->timer, hz / 100, mcd_timeout, sc);
912 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
913 if (sc->data.status & MCD_ST_CMDCHECK) {
914 sc->data.curr_mode = MCD_MD_UNKNOWN;
917 if (mcd_setflags(sc) < 0)
919 sc->data.curr_mode = mbx->mode;
920 MCD_TRACE("got WAITMODE delay=%d\n",
921 RDELAY_WAITMODE-mbx->count);
923 /* for first block */
924 mbx->nblk = howmany(bp->bio_bcount, mbx->sz);
928 blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz;
930 MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
933 /* build parameter block */
934 hsg2msf(blknum,rbuf.start_msf);
936 /* send the read command */
937 MCD_WRITE(sc, MCD_REG_COMMAND, sc->data.read_command);
938 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[0]);
939 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[1]);
940 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[2]);
941 MCD_WRITE(sc, MCD_REG_COMMAND, 0);
942 MCD_WRITE(sc, MCD_REG_COMMAND, 0);
943 MCD_WRITE(sc, MCD_REG_COMMAND, 1);
945 /* Spin briefly (<= 2ms) to avoid missing next block */
946 for (i = 0; i < 20; i++) {
947 k = MCD_READ(sc, MCD_FLAGS);
948 if (!(k & MFL_DATA_NOT_AVAIL))
953 mbx->count = RDELAY_WAITREAD;
954 sc->ch_state = MCD_S_WAITREAD;
955 callout_reset(&sc->timer, hz / 100, mcd_timeout, sc); /* XXX */
958 sc->ch_state = MCD_S_WAITREAD;
959 callout_stop(&sc->timer);
960 if (mbx->count-- > 0) {
961 k = MCD_READ(sc, MCD_FLAGS);
962 if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
963 MCD_TRACE("got data delay=%d\n",
964 RDELAY_WAITREAD-mbx->count);
967 addr = bp->bio_data + mbx->skip;
969 MCD_WRITE(sc, MCD_REG_CTL2,0x04); /* XXX */
970 for (i=0; i<mbx->sz; i++)
971 *addr++ = MCD_READ(sc, MCD_REG_RDATA);
972 MCD_WRITE(sc, MCD_REG_CTL2,0x0c); /* XXX */
974 k = MCD_READ(sc, MCD_FLAGS);
975 /* If we still have some junk, read it too */
976 if (!(k & MFL_DATA_NOT_AVAIL)) {
977 MCD_WRITE(sc, MCD_REG_CTL2, 0x04); /* XXX */
978 (void)MCD_READ(sc, MCD_REG_RDATA);
979 (void)MCD_READ(sc, MCD_REG_RDATA);
980 MCD_WRITE(sc, MCD_REG_CTL2, 0x0c); /* XXX */
983 if (--mbx->nblk > 0) {
984 mbx->skip += mbx->sz;
992 sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW);
996 if (!(k & MFL_STATUS_NOT_AVAIL)) {
997 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
998 if (sc->data.status & MCD_ST_CMDCHECK)
1000 if (mcd_setflags(sc) < 0)
1003 sc->ch_state = MCD_S_WAITREAD;
1004 callout_reset(&sc->timer, hz / 100, mcd_timeout, sc); /* XXX */
1007 device_printf(sc->dev, "timeout read data\n");
1013 if (mbx->retry-- > 0) {
1014 device_printf(sc->dev, "retrying\n");
1015 state = MCD_S_BEGIN1;
1019 /* invalidate the buffer */
1020 bp->bio_flags |= BIO_ERROR;
1021 bp->bio_resid = bp->bio_bcount;
1024 sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW);
1029 device_printf(sc->dev, "media changed\n");
1033 device_printf(sc->dev, "unit timeout, resetting\n");
1034 MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET);
1036 (void)mcd_getstat(sc, 1);
1037 (void)mcd_getstat(sc, 1);
1038 /*sc->data.status &= ~MCDDSKCHNG; */
1039 sc->data.debug = 1; /* preventive set debug mode */
1046 mcd_lock_door(struct mcd_softc *sc, int lock)
1049 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDLOCKDRV);
1050 MCD_WRITE(sc, MCD_REG_COMMAND, lock);
1051 if (mcd_getstat(sc, 0) == -1)
1057 mcd_close_tray(struct mcd_softc *sc)
1061 if (mcd_getstat(sc, 1) == -1)
1063 if (sc->data.status & MCDDOOROPEN) {
1064 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDCLOSETRAY);
1065 for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
1066 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
1067 (void) mtx_sleep(sc, &sc->mtx, PSOCK | PCATCH,
1068 "mcdcls", hz/WAIT_FRAC);
1070 if ((r = mcd_getstat(sc, 0)) == -1)
1081 mcd_eject(struct mcd_softc *sc)
1085 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
1087 if (sc->data.status & MCDDOOROPEN)
1089 if ((r = mcd_stop(sc)) == EIO)
1091 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDEJECTDISK);
1092 if (mcd_getstat(sc, 0) == -1)
1098 mcd_inject(struct mcd_softc *sc)
1101 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
1103 if (sc->data.status & MCDDOOROPEN)
1104 return mcd_close_tray(sc);
1109 mcd_hard_reset(struct mcd_softc *sc)
1112 MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET);
1113 sc->data.curr_mode = MCD_MD_UNKNOWN;
1114 sc->data.audio_status = CD_AS_AUDIO_INVALID;
1119 mcd_soft_reset(struct mcd_softc *sc)
1122 sc->data.flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
1123 sc->data.curr_mode = MCD_MD_UNKNOWN;
1124 sc->data.partflags = 0;
1125 sc->data.audio_status = CD_AS_AUDIO_INVALID;
1129 mcd_setmode(struct mcd_softc *sc, int mode)
1133 if (sc->data.curr_mode == mode)
1136 device_printf(sc->dev, "setting mode to %d\n", mode);
1137 for(retry=0; retry<MCD_RETRYS; retry++)
1139 sc->data.curr_mode = MCD_MD_UNKNOWN;
1140 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE);
1141 MCD_WRITE(sc, MCD_REG_COMMAND, mode);
1142 if ((st = mcd_getstat(sc, 0)) >= 0) {
1143 sc->data.curr_mode = mode;
1147 device_printf(sc->dev, "media changed\n");
1156 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th)
1160 if ((r = mcd_volinfo(sc)) != 0)
1163 th->starting_track = bcd2bin(sc->data.volinfo.trk_low);
1164 th->ending_track = bcd2bin(sc->data.volinfo.trk_high);
1165 th->len = 2 * sizeof(u_char) /* start & end tracks */ +
1166 (th->ending_track + 1 - th->starting_track + 1) *
1167 sizeof(struct cd_toc_entry);
1173 mcd_read_toc(struct mcd_softc *sc)
1175 struct ioc_toc_header th;
1176 struct mcd_qchninfo q;
1177 int rc, trk, idx, retry;
1179 /* Only read TOC if needed */
1180 if (sc->data.flags & MCDTOC)
1184 device_printf(sc->dev, "reading toc header\n");
1186 if ((rc = mcd_toc_header(sc, &th)) != 0)
1189 if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1192 if (mcd_setmode(sc, MCD_MD_TOC) != 0)
1196 device_printf(sc->dev, "get_toc reading qchannel info\n");
1198 for(trk=th.starting_track; trk<=th.ending_track; trk++)
1199 sc->data.toc[trk].idx_no = 0;
1200 trk = th.ending_track - th.starting_track + 1;
1201 for(retry=0; retry<600 && trk>0; retry++)
1203 if (mcd_getqchan(sc, &q) < 0) break;
1204 idx = bcd2bin(q.idx_no);
1205 if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
1206 if (sc->data.toc[idx].idx_no == 0) {
1207 sc->data.toc[idx] = q;
1213 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1219 /* add a fake last+1 */
1220 idx = th.ending_track + 1;
1221 sc->data.toc[idx].control = sc->data.toc[idx-1].control;
1222 sc->data.toc[idx].addr_type = sc->data.toc[idx-1].addr_type;
1223 sc->data.toc[idx].trk_no = 0;
1224 sc->data.toc[idx].idx_no = MCD_LASTPLUS1;
1225 sc->data.toc[idx].hd_pos_msf[0] = sc->data.volinfo.vol_msf[0];
1226 sc->data.toc[idx].hd_pos_msf[1] = sc->data.volinfo.vol_msf[1];
1227 sc->data.toc[idx].hd_pos_msf[2] = sc->data.volinfo.vol_msf[2];
1231 for (i = th.starting_track; i <= idx; i++)
1232 device_printf(sc->dev, "trk %d idx %d pos %d %d %d\n",
1234 sc->data.toc[i].idx_no > 0x99 ? sc->data.toc[i].idx_no :
1235 bcd2bin(sc->data.toc[i].idx_no),
1236 bcd2bin(sc->data.toc[i].hd_pos_msf[0]),
1237 bcd2bin(sc->data.toc[i].hd_pos_msf[1]),
1238 bcd2bin(sc->data.toc[i].hd_pos_msf[2]));
1241 sc->data.flags |= MCDTOC;
1248 mcd_toc_entry(struct mcd_softc *sc, struct ioc_read_toc_single_entry *te)
1250 struct ioc_toc_header th;
1253 if (te->address_format != CD_MSF_FORMAT
1254 && te->address_format != CD_LBA_FORMAT)
1257 /* Copy the toc header */
1258 if ((rc = mcd_toc_header(sc, &th)) != 0)
1261 /* verify starting track */
1264 trk = th.starting_track;
1265 else if (trk == MCD_LASTPLUS1)
1266 trk = th.ending_track + 1;
1267 else if (trk < th.starting_track || trk > th.ending_track + 1)
1270 /* Make sure we have a valid toc */
1271 if ((rc=mcd_read_toc(sc)) != 0)
1274 /* Copy the TOC data. */
1275 if (sc->data.toc[trk].idx_no == 0)
1278 te->entry.control = sc->data.toc[trk].control;
1279 te->entry.addr_type = sc->data.toc[trk].addr_type;
1281 sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no :
1282 bcd2bin(sc->data.toc[trk].idx_no);
1283 switch (te->address_format) {
1285 te->entry.addr.msf.unused = 0;
1286 te->entry.addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]);
1287 te->entry.addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]);
1288 te->entry.addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]);
1291 te->entry.addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0));
1299 mcd_toc_entrys(struct mcd_softc *sc, struct ioc_read_toc_entry *te)
1301 struct cd_toc_entry entries[MCD_MAXTOCS];
1302 struct ioc_toc_header th;
1303 int rc, n, trk, len;
1305 if ( te->data_len < sizeof(entries[0])
1306 || (te->data_len % sizeof(entries[0])) != 0
1307 || (te->address_format != CD_MSF_FORMAT
1308 && te->address_format != CD_LBA_FORMAT)
1312 /* Copy the toc header */
1313 if ((rc = mcd_toc_header(sc, &th)) != 0)
1316 /* verify starting track */
1317 trk = te->starting_track;
1319 trk = th.starting_track;
1320 else if (trk == MCD_LASTPLUS1)
1321 trk = th.ending_track + 1;
1322 else if (trk < th.starting_track || trk > th.ending_track + 1)
1325 len = ((th.ending_track + 1 - trk) + 1) *
1327 if (te->data_len < len)
1329 if (len > sizeof(entries))
1332 /* Make sure we have a valid toc */
1333 if ((rc=mcd_read_toc(sc)) != 0)
1336 /* Copy the TOC data. */
1337 for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
1338 if (sc->data.toc[trk].idx_no == 0)
1340 entries[n].control = sc->data.toc[trk].control;
1341 entries[n].addr_type = sc->data.toc[trk].addr_type;
1343 sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no :
1344 bcd2bin(sc->data.toc[trk].idx_no);
1345 switch (te->address_format) {
1347 entries[n].addr.msf.unused = 0;
1348 entries[n].addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]);
1349 entries[n].addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]);
1350 entries[n].addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]);
1353 entries[n].addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0));
1356 len -= sizeof(struct cd_toc_entry);
1360 /* copy the data back */
1362 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1366 mcd_stop(struct mcd_softc *sc)
1369 /* Verify current status */
1370 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
1371 sc->data.audio_status != CD_AS_PLAY_PAUSED &&
1372 sc->data.audio_status != CD_AS_PLAY_COMPLETED) {
1374 device_printf(sc->dev,
1375 "stop attempted when not playing, audio status %d\n",
1376 sc->data.audio_status);
1379 if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS)
1380 if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1382 sc->data.audio_status = CD_AS_PLAY_COMPLETED;
1387 mcd_getqchan(struct mcd_softc *sc, struct mcd_qchninfo *q)
1390 if (mcd_send(sc, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
1392 if (mcd_get(sc, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
1394 if (sc->data.debug) {
1395 device_printf(sc->dev,
1396 "getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
1397 q->control, q->addr_type,
1400 bcd2bin(q->trk_size_msf[0]),
1401 bcd2bin(q->trk_size_msf[1]),
1402 bcd2bin(q->trk_size_msf[2]),
1403 bcd2bin(q->hd_pos_msf[0]),
1404 bcd2bin(q->hd_pos_msf[1]),
1405 bcd2bin(q->hd_pos_msf[2]));
1411 mcd_subchan(struct mcd_softc *sc, struct ioc_read_subchannel *sch)
1413 struct mcd_qchninfo q;
1414 struct cd_sub_channel_info data;
1418 device_printf(sc->dev, "subchan af=%d, df=%d\n",
1419 sch->address_format,
1422 if (sch->address_format != CD_MSF_FORMAT &&
1423 sch->address_format != CD_LBA_FORMAT)
1426 if (sch->data_format != CD_CURRENT_POSITION &&
1427 sch->data_format != CD_MEDIA_CATALOG)
1430 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1433 if (mcd_getqchan(sc, &q) < 0)
1436 data.header.audio_status = sc->data.audio_status;
1437 data.what.position.data_format = sch->data_format;
1439 switch (sch->data_format) {
1440 case CD_MEDIA_CATALOG:
1441 data.what.media_catalog.mc_valid = 1;
1442 data.what.media_catalog.mc_number[0] = '\0';
1445 case CD_CURRENT_POSITION:
1446 data.what.position.control = q.control;
1447 data.what.position.addr_type = q.addr_type;
1448 data.what.position.track_number = bcd2bin(q.trk_no);
1449 data.what.position.index_number = bcd2bin(q.idx_no);
1450 switch (sch->address_format) {
1452 data.what.position.reladdr.msf.unused = 0;
1453 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1454 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1455 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1456 data.what.position.absaddr.msf.unused = 0;
1457 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1458 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1459 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1462 lba = msf2hsg(q.trk_size_msf, 1);
1464 * Pre-gap has index number of 0, and decreasing MSF
1465 * address. Must be converted to negative LBA, per
1468 if (data.what.position.index_number == 0)
1470 data.what.position.reladdr.lba = htonl(lba);
1471 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
1478 return (copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len)));
1482 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p)
1484 struct mcd_read2 pb;
1487 device_printf(sc->dev, "playmsf: from %d:%d.%d to %d:%d.%d\n",
1488 p->start_m, p->start_s, p->start_f,
1489 p->end_m, p->end_s, p->end_f);
1491 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1492 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) ||
1493 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
1494 M_msf(sc->data.volinfo.vol_msf) * 60 * 75 +
1495 S_msf(sc->data.volinfo.vol_msf) * 75 +
1496 F_msf(sc->data.volinfo.vol_msf))
1499 pb.start_msf[0] = bin2bcd(p->start_m);
1500 pb.start_msf[1] = bin2bcd(p->start_s);
1501 pb.start_msf[2] = bin2bcd(p->start_f);
1502 pb.end_msf[0] = bin2bcd(p->end_m);
1503 pb.end_msf[1] = bin2bcd(p->end_s);
1504 pb.end_msf[2] = bin2bcd(p->end_f);
1506 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1509 return mcd_play(sc, &pb);
1513 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *pt)
1515 struct mcd_read2 pb;
1516 int a = pt->start_track;
1517 int z = pt->end_track;
1520 if ((rc = mcd_read_toc(sc)) != 0)
1524 device_printf(sc->dev, "playtracks from %d:%d to %d:%d\n",
1525 a, pt->start_index, z, pt->end_index);
1527 if ( a < bcd2bin(sc->data.volinfo.trk_low)
1528 || a > bcd2bin(sc->data.volinfo.trk_high)
1530 || z < bcd2bin(sc->data.volinfo.trk_low)
1531 || z > bcd2bin(sc->data.volinfo.trk_high))
1534 for (i = 0; i < 3; i++) {
1535 pb.start_msf[i] = sc->data.toc[a].hd_pos_msf[i];
1536 pb.end_msf[i] = sc->data.toc[z+1].hd_pos_msf[i];
1539 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1542 return mcd_play(sc, &pb);
1546 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p)
1548 struct mcd_read2 pb;
1551 device_printf(sc->dev, "playblocks: blkno %d length %d\n",
1554 if (p->blk > sc->data.disksize || p->len > sc->data.disksize ||
1555 p->blk < 0 || p->len < 0 ||
1556 (p->blk + p->len) > sc->data.disksize)
1559 hsg2msf(p->blk, pb.start_msf);
1560 hsg2msf(p->blk + p->len, pb.end_msf);
1562 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1565 return mcd_play(sc, &pb);
1569 mcd_play(struct mcd_softc *sc, struct mcd_read2 *pb)
1571 int retry, st = -1, status;
1573 sc->data.lastpb = *pb;
1574 for(retry=0; retry<MCD_RETRYS; retry++) {
1577 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSINGLESPEEDREAD);
1578 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[0]);
1579 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[1]);
1580 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[2]);
1581 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[0]);
1582 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[1]);
1583 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[2]);
1586 status=mcd_getstat(sc, 0);
1589 else if (status != -2)
1595 device_printf(sc->dev, "media changed\n");
1599 device_printf(sc->dev,
1600 "mcd_play retry=%d, status=0x%02x\n", retry, status);
1603 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
1608 mcd_pause(struct mcd_softc *sc)
1610 struct mcd_qchninfo q;
1613 /* Verify current status */
1614 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
1615 sc->data.audio_status != CD_AS_PLAY_PAUSED) {
1617 device_printf(sc->dev,
1618 "pause attempted when not playing, audio status %d\n",
1619 sc->data.audio_status);
1623 /* Get the current position */
1624 if (mcd_getqchan(sc, &q) < 0)
1627 /* Copy it into lastpb */
1628 sc->data.lastpb.start_msf[0] = q.hd_pos_msf[0];
1629 sc->data.lastpb.start_msf[1] = q.hd_pos_msf[1];
1630 sc->data.lastpb.start_msf[2] = q.hd_pos_msf[2];
1633 if ((rc=mcd_stop(sc)) != 0)
1636 /* Set the proper status and exit */
1637 sc->data.audio_status = CD_AS_PLAY_PAUSED;
1642 mcd_resume(struct mcd_softc *sc)
1645 if (sc->data.audio_status != CD_AS_PLAY_PAUSED)
1647 return mcd_play(sc, &sc->data.lastpb);