2 * Copyright (c) 1995 Mikael Hybsch
5 * Portions of this file are copied from mcd.c
6 * which has the following copyrights:
8 * Copyright 1993 by Holger Veit (data part)
9 * Copyright 1993 by Brian Moore (audio part)
10 * Changes Copyright 1993 by Gary Clark II
11 * Changes Copyright (C) 1994 by Andrew A. Chernov
13 * Rewrote probe routine to work on newer Mitsumi drives.
14 * Additional changes (C) 1994 by Jordan K. Hubbard
16 * All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer
23 * in this position and unchanged.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * 3. The name of the author may not be used to endorse or promote products
28 * derived from this software without specific prior written permission
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
31 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
33 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
35 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
53 #include <sys/fcntl.h>
59 #include <machine/stdarg.h>
61 #include <machine/bus.h>
62 #include <machine/resource.h>
65 #include <isa/isavar.h>
67 #include <dev/scd/scdreg.h>
68 #include <dev/scd/scdvar.h>
71 #define SCDOPEN 0x0001 /* device opened */
72 #define SCDVALID 0x0002 /* parameters loaded */
73 #define SCDINIT 0x0004 /* device is init'd */
74 #define SCDPROBING 0x0020 /* probing */
75 #define SCDTOC 0x0100 /* already read toc */
76 #define SCDMBXBSY 0x0200 /* local mbx is busy */
77 #define SCDSPINNING 0x0400 /* drive is spun up */
80 #define SCD_S_BEGIN1 1
81 #define SCD_S_WAITSTAT 2
82 #define SCD_S_WAITFIFO 3
83 #define SCD_S_WAITSPIN 4
84 #define SCD_S_WAITREAD 5
85 #define SCD_S_WAITPARAM 6
87 #define RDELAY_WAIT 300
88 #define RDELAY_WAITREAD 300
90 #define SCDBLKSIZE 2048
93 static int scd_debuglevel = SCD_DEBUG;
94 # define XDEBUG(sc, level, fmt, args...) \
96 if (scd_debuglevel >= level) \
97 device_printf(sc->dev, fmt, ## args); \
100 # define XDEBUG(sc, level, fmt, args...)
103 #define IS_ATTENTION(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_ATTENTION) != 0)
104 #define IS_BUSY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_BUSY) != 0)
105 #define IS_DATA_RDY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_DATA_READY) != 0)
106 #define STATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_STATUS) & (bit)) != 0)
107 #define FSTATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_FSTATUS) & (bit)) != 0)
110 static void hsg2msf(int hsg, bcd_t *msf);
111 static int msf2hsg(bcd_t *msf);
113 static void process_attention(struct scd_softc *);
114 static int waitfor_status_bits(struct scd_softc *, int bits_set, int bits_clear);
115 static int send_cmd(struct scd_softc *, u_char cmd, u_int nargs, ...);
116 static void init_drive(struct scd_softc *);
117 static int spin_up(struct scd_softc *);
118 static int read_toc(struct scd_softc *);
119 static int get_result(struct scd_softc *, int result_len, u_char *result);
120 static void print_error(struct scd_softc *, int errcode);
122 static void scd_start(struct scd_softc *);
123 static timeout_t scd_timeout;
124 static void scd_doread(struct scd_softc *, int state, struct scd_mbx *mbxin);
126 static int scd_eject(struct scd_softc *);
127 static int scd_stop(struct scd_softc *);
128 static int scd_pause(struct scd_softc *);
129 static int scd_resume(struct scd_softc *);
130 static int scd_playtracks(struct scd_softc *, struct ioc_play_track *pt);
131 static int scd_playmsf(struct scd_softc *, struct ioc_play_msf *msf);
132 static int scd_play(struct scd_softc *, struct ioc_play_msf *msf);
133 static int scd_subchan(struct scd_softc *, struct ioc_read_subchannel *sch, int nocopyout);
134 static int read_subcode(struct scd_softc *, struct sony_subchannel_position_data *sch);
137 static int scd_toc_header(struct scd_softc *, struct ioc_toc_header *th);
138 static int scd_toc_entrys(struct scd_softc *, struct ioc_read_toc_entry *te);
139 static int scd_toc_entry(struct scd_softc *, struct ioc_read_toc_single_entry *te);
140 #define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */
142 static d_open_t scdopen;
143 static d_close_t scdclose;
144 static d_ioctl_t scdioctl;
145 static d_strategy_t scdstrategy;
148 static struct cdevsw scd_cdevsw = {
149 .d_version = D_VERSION,
154 .d_strategy = scdstrategy,
156 .d_flags = D_DISK | D_NEEDGIANT,
160 scd_attach(struct scd_softc *sc)
164 unit = device_get_unit(sc->dev);
168 sc->data.flags = SCDINIT;
169 sc->data.audio_status = CD_AS_AUDIO_INVALID;
170 bioq_init(&sc->data.head);
172 sc->scd_dev_t = make_dev(&scd_cdevsw, 8 * unit,
173 UID_ROOT, GID_OPERATOR, 0640, "scd%d", unit);
174 sc->scd_dev_t->si_drv1 = (void *)sc;
180 scdopen(struct cdev *dev, int flags, int fmt, struct thread *td)
182 struct scd_softc *sc;
185 sc = (struct scd_softc *)dev->si_drv1;
188 if (!(sc->data.flags & SCDINIT))
191 /* invalidated in the meantime? mark all open part's invalid */
192 if (sc->data.openflag)
195 XDEBUG(sc, 1, "DEBUG: status = 0x%x\n", SCD_READ(sc, IREG_STATUS));
197 if ((rc = spin_up(sc)) != 0) {
201 if (!(sc->data.flags & SCDTOC)) {
204 while (loop_count-- > 0 && (rc = read_toc(sc)) != 0) {
205 if (rc == ERR_NOT_SPINNING) {
208 print_error(sc, rc);\
213 device_printf(sc->dev, "TOC read error 0x%x\n", rc);
218 sc->data.openflag = 1;
219 sc->data.flags |= SCDVALID;
225 scdclose(struct cdev *dev, int flags, int fmt, struct thread *td)
227 struct scd_softc *sc;
229 sc = (struct scd_softc *)dev->si_drv1;
231 if (!(sc->data.flags & SCDINIT) || !sc->data.openflag)
234 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS) {
235 (void)send_cmd(sc, CMD_SPIN_DOWN, 0);
236 sc->data.flags &= ~SCDSPINNING;
241 sc->data.openflag = 0;
247 scdstrategy(struct bio *bp)
250 struct scd_softc *sc;
252 sc = (struct scd_softc *)bp->bio_dev->si_drv1;
254 /* if device invalidated (e.g. media change, door open), error */
255 if (!(sc->data.flags & SCDVALID)) {
256 device_printf(sc->dev, "media changed\n");
262 if (!(bp->bio_cmd == BIO_READ)) {
263 bp->bio_error = EROFS;
267 /* no data to read */
268 if (bp->bio_bcount == 0)
271 if (!(sc->data.flags & SCDTOC)) {
280 bioq_disksort(&sc->data.head, bp);
283 /* now check whether we can perform processing */
288 bp->bio_flags |= BIO_ERROR;
290 bp->bio_resid = bp->bio_bcount;
296 scd_start(struct scd_softc *sc)
301 if (sc->data.flags & SCDMBXBSY) {
306 bp = bioq_takefirst(&sc->data.head);
308 /* block found to process, dequeue */
309 sc->data.flags |= SCDMBXBSY;
317 sc->data.mbx.retry = 3;
318 sc->data.mbx.bp = bp;
321 scd_doread(sc, SCD_S_BEGIN, &(sc->data.mbx));
326 scdioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
328 struct scd_softc *sc;
330 sc = (struct scd_softc *)dev->si_drv1;
332 XDEBUG(sc, 1, "ioctl: cmd=0x%lx\n", cmd);
334 if (!(sc->data.flags & SCDVALID))
339 *(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize;
342 case DIOCGSECTORSIZE:
343 *(u_int *)addr = sc->data.blksize;
346 case CDIOCPLAYTRACKS:
347 return scd_playtracks(sc, (struct ioc_play_track *) addr);
348 case CDIOCPLAYBLOCKS:
351 return scd_playmsf(sc, (struct ioc_play_msf *) addr);
352 case CDIOCREADSUBCHANNEL_SYSSPACE:
353 return scd_subchan(sc, (struct ioc_read_subchannel *) addr, 1);
354 case CDIOCREADSUBCHANNEL:
355 return scd_subchan(sc, (struct ioc_read_subchannel *) addr, 0);
356 case CDIOREADTOCHEADER:
357 return scd_toc_header (sc, (struct ioc_toc_header *) addr);
358 case CDIOREADTOCENTRYS:
359 return scd_toc_entrys (sc, (struct ioc_read_toc_entry*) addr);
360 case CDIOREADTOCENTRY:
361 return scd_toc_entry (sc, (struct ioc_read_toc_single_entry*) addr);
372 return scd_resume(sc);
374 return scd_pause(sc);
380 return scd_eject(sc);
395 device_printf(sc->dev, "unsupported ioctl (cmd=0x%lx)\n", cmd);
400 /***************************************************************
401 * lower level of driver starts here
402 **************************************************************/
405 scd_playtracks(struct scd_softc *sc, struct ioc_play_track *pt)
407 struct ioc_play_msf msf;
408 int a = pt->start_track;
409 int z = pt->end_track;
412 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
413 if (rc == -ERR_NOT_SPINNING) {
414 if (spin_up(sc) != 0)
424 XDEBUG(sc, 1, "playtracks from %d:%d to %d:%d\n",
425 a, pt->start_index, z, pt->end_index);
427 if ( a < sc->data.first_track
428 || a > sc->data.last_track
430 || z > sc->data.last_track)
433 bcopy(sc->data.toc[a].start_msf, &msf.start_m, 3);
434 hsg2msf(msf2hsg(sc->data.toc[z+1].start_msf)-1, &msf.end_m);
436 return scd_play(sc, &msf);
439 /* The start/end msf is expected to be in bin format */
441 scd_playmsf(struct scd_softc *sc, struct ioc_play_msf *msfin)
443 struct ioc_play_msf msf;
445 msf.start_m = bin2bcd(msfin->start_m);
446 msf.start_s = bin2bcd(msfin->start_s);
447 msf.start_f = bin2bcd(msfin->start_f);
448 msf.end_m = bin2bcd(msfin->end_m);
449 msf.end_s = bin2bcd(msfin->end_s);
450 msf.end_f = bin2bcd(msfin->end_f);
452 return scd_play(sc, &msf);
455 /* The start/end msf is expected to be in bcd format */
457 scd_play(struct scd_softc *sc, struct ioc_play_msf *msf)
461 XDEBUG(sc, 1, "playing: %02x:%02x:%02x -> %02x:%02x:%02x\n",
462 msf->start_m, msf->start_s, msf->start_f,
463 msf->end_m, msf->end_s, msf->end_f);
465 for (i = 0; i < 2; i++) {
466 rc = send_cmd(sc, CMD_PLAY_AUDIO, 7,
468 msf->start_m, msf->start_s, msf->start_f,
469 msf->end_m, msf->end_s, msf->end_f);
470 if (rc == -ERR_NOT_SPINNING) {
471 sc->data.flags &= ~SCDSPINNING;
472 if (spin_up(sc) != 0)
481 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
482 bcopy((char *)msf, (char *)&sc->data.last_play, sizeof(struct ioc_play_msf));
487 scd_stop(struct scd_softc *sc)
490 (void)send_cmd(sc, CMD_STOP_AUDIO, 0);
491 sc->data.audio_status = CD_AS_PLAY_COMPLETED;
496 scd_pause(struct scd_softc *sc)
498 struct sony_subchannel_position_data subpos;
500 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS)
503 if (read_subcode(sc, &subpos) != 0)
506 if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0)
509 sc->data.last_play.start_m = subpos.abs_msf[0];
510 sc->data.last_play.start_s = subpos.abs_msf[1];
511 sc->data.last_play.start_f = subpos.abs_msf[2];
512 sc->data.audio_status = CD_AS_PLAY_PAUSED;
514 XDEBUG(sc, 1, "pause @ %02x:%02x:%02x\n",
515 sc->data.last_play.start_m,
516 sc->data.last_play.start_s,
517 sc->data.last_play.start_f);
523 scd_resume(struct scd_softc *sc)
526 if (sc->data.audio_status != CD_AS_PLAY_PAUSED)
528 return scd_play(sc, &sc->data.last_play);
532 scd_eject(struct scd_softc *sc)
535 sc->data.audio_status = CD_AS_AUDIO_INVALID;
536 sc->data.flags &= ~(SCDSPINNING|SCDTOC);
538 if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0 ||
539 send_cmd(sc, CMD_SPIN_DOWN, 0) != 0 ||
540 send_cmd(sc, CMD_EJECT, 0) != 0)
548 scd_subchan(struct scd_softc *sc, struct ioc_read_subchannel *sch, int nocopyout)
550 struct sony_subchannel_position_data q;
551 struct cd_sub_channel_info data;
553 XDEBUG(sc, 1, "subchan af=%d, df=%d\n",
554 sch->address_format, sch->data_format);
556 if (sch->address_format != CD_MSF_FORMAT)
559 if (sch->data_format != CD_CURRENT_POSITION)
562 if (read_subcode(sc, &q) != 0)
565 data.header.audio_status = sc->data.audio_status;
566 data.what.position.data_format = CD_MSF_FORMAT;
567 data.what.position.track_number = bcd2bin(q.track_number);
568 data.what.position.reladdr.msf.unused = 0;
569 data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]);
570 data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]);
571 data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]);
572 data.what.position.absaddr.msf.unused = 0;
573 data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]);
574 data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]);
575 data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]);
577 if (nocopyout == 0) {
578 if (copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len))!=0)
581 bcopy(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len));
587 scd_probe(struct scd_softc *sc)
589 struct sony_drive_configuration drive_config;
591 static char namebuf[8+16+8+3];
595 sc->data.flags = SCDPROBING;
597 bzero(&drive_config, sizeof(drive_config));
601 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESET_DRIVE);
606 /* Only the ATTENTION bit may be set */
607 if ((SCD_READ(sc, IREG_STATUS) & ~1) != 0) {
608 XDEBUG(sc, 1, "too many bits set. probe failed.\n");
611 rc = send_cmd(sc, CMD_GET_DRIVE_CONFIG, 0);
612 if (rc != sizeof(drive_config)) {
613 /* Sometimes if the drive is playing audio I get */
614 /* the bad result 82. Fix by repeating the reset */
615 if (rc > 0 && loop_count++ == 0)
619 if (get_result(sc, rc, (u_char *)&drive_config) != 0)
622 bcopy(drive_config.vendor, namebuf, 8);
624 while (*(s-1) == ' ') /* Strip trailing spaces */
627 bcopy(drive_config.product, s, 16);
629 while (*(s-1) == ' ')
632 bcopy(drive_config.revision, s, 8);
634 while (*(s-1) == ' ')
638 sc->data.name = namebuf;
640 if (drive_config.config & 0x10)
641 sc->data.double_speed = 1;
643 sc->data.double_speed = 0;
649 read_subcode(struct scd_softc *sc, struct sony_subchannel_position_data *scp)
653 rc = send_cmd(sc, CMD_GET_SUBCHANNEL_DATA, 0);
654 if (rc < 0 || rc < sizeof(*scp))
656 if (get_result(sc, rc, (u_char *)scp) != 0)
661 /* State machine copied from mcd.c */
663 /* This (and the code in mcd.c) will not work with more than one drive */
664 /* because there is only one sc->ch_mbxsave below. Should fix that some day. */
665 /* (sc->ch_mbxsave & state should probably be included in the scd_data struct and */
666 /* the unit number used as first argument to scd_doread().) /Micke */
668 /* state machine to process read requests
669 * initialize with SCD_S_BEGIN: reset state machine
670 * SCD_S_WAITSTAT: wait for ready (!busy)
671 * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning)
672 * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command.
673 * SCD_S_WAITREAD: wait for data ready, read data
674 * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read.
678 scd_timeout(void *arg)
680 struct scd_softc *sc;
681 sc = (struct scd_softc *)arg;
683 scd_doread(sc, sc->ch_state, sc->ch_mbxsave);
687 scd_doread(struct scd_softc *sc, int state, struct scd_mbx *mbxin)
689 struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? sc->ch_mbxsave : mbxin;
690 struct bio *bp = mbx->bp;
694 static char sdata[3]; /* Must be preserved between calls to this function */
699 mbx = sc->ch_mbxsave = mbxin;
703 mbx->count = RDELAY_WAIT;
705 process_attention(sc);
709 sc->ch_state = SCD_S_WAITSTAT;
710 untimeout(scd_timeout, (caddr_t)sc, sc->ch);
711 if (mbx->count-- <= 0) {
712 device_printf(sc->dev, "timeout. drive busy.\n");
718 sc->ch_state = SCD_S_WAITSTAT;
719 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
723 process_attention(sc);
725 /* reject, if audio active */
726 if (sc->data.audio_status & CD_AS_PLAY_IN_PROGRESS) {
727 device_printf(sc->dev, "audio is active\n");
731 mbx->sz = sc->data.blksize;
733 /* for first block */
734 mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz;
738 if (!(sc->data.flags & SCDVALID))
741 blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz;
743 XDEBUG(sc, 2, "scd_doread: read blknum=%d\n", blknum);
745 /* build parameter block */
746 hsg2msf(blknum, sdata);
748 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
749 SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR);
750 SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR);
752 if (FSTATUS_BIT(sc, FBIT_WPARAM_READY))
756 sc->ch_state = SCD_S_WAITFIFO;
757 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
761 sc->ch_state = SCD_S_WAITSPIN;
762 untimeout(scd_timeout,(caddr_t)sc, sc->ch);
763 if (mbx->count-- <= 0) {
764 device_printf(sc->dev, "timeout waiting for drive to spin up.\n");
767 if (!STATUS_BIT(sc, SBIT_RESULT_READY)) {
768 sc->ch_state = SCD_S_WAITSPIN;
769 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
772 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
773 switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) {
775 i = SCD_READ(sc, IREG_RESULT);
779 (void)SCD_READ(sc, IREG_RESULT);
780 sc->data.flags |= SCDSPINNING;
783 XDEBUG(sc, 1, "DEBUG: spin up complete\n");
785 state = SCD_S_BEGIN1;
789 sc->ch_state = SCD_S_WAITFIFO;
790 untimeout(scd_timeout,(caddr_t)sc, sc->ch);
791 if (mbx->count-- <= 0) {
792 device_printf(sc->dev, "timeout. write param not ready.\n");
795 if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) {
796 sc->ch_state = SCD_S_WAITFIFO;
797 sc->ch = timeout(scd_timeout, (caddr_t)sc,hz/100); /* XXX */
800 XDEBUG(sc, 1, "mbx->count (writeparamwait) = %d(%d)\n", mbx->count, 100);
803 /* The reason this test isn't done 'till now is to make sure */
804 /* that it is ok to send the SPIN_UP cmd below. */
805 if (!(sc->data.flags & SCDSPINNING)) {
806 XDEBUG(sc, 1, "spinning up drive ...\n");
807 SCD_WRITE(sc, OREG_COMMAND, CMD_SPIN_UP);
809 sc->ch_state = SCD_S_WAITSPIN;
810 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
814 /* send the read command */
816 SCD_WRITE(sc, OREG_WPARAMS, sdata[0]);
817 SCD_WRITE(sc, OREG_WPARAMS, sdata[1]);
818 SCD_WRITE(sc, OREG_WPARAMS, sdata[2]);
819 SCD_WRITE(sc, OREG_WPARAMS, 0);
820 SCD_WRITE(sc, OREG_WPARAMS, 0);
821 SCD_WRITE(sc, OREG_WPARAMS, 1);
822 SCD_WRITE(sc, OREG_COMMAND, CMD_READ);
825 mbx->count = RDELAY_WAITREAD;
826 for (i = 0; i < 50; i++) {
827 if (STATUS_BIT(sc, SBIT_DATA_READY))
832 sc->ch_state = SCD_S_WAITREAD;
833 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
837 sc->ch_state = SCD_S_WAITREAD;
838 untimeout(scd_timeout,(caddr_t)sc, sc->ch);
839 if (mbx->count-- <= 0) {
840 if (STATUS_BIT(sc, SBIT_RESULT_READY))
842 device_printf(sc->dev, "timeout while reading data\n");
845 if (!STATUS_BIT(sc, SBIT_DATA_READY)) {
846 process_attention(sc);
847 if (!(sc->data.flags & SCDVALID))
849 sc->ch_state = SCD_S_WAITREAD;
850 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
853 XDEBUG(sc, 2, "mbx->count (after RDY_BIT) = %d(%d)\n", mbx->count, RDELAY_WAITREAD);
857 addr = bp->bio_data + mbx->skip;
858 SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR);
859 SCD_READ_MULTI(sc, IREG_DATA, addr, mbx->sz);
862 for (i = 0; i < 20; i++) {
863 if (STATUS_BIT(sc, SBIT_RESULT_READY))
869 case SCD_S_WAITPARAM:
870 sc->ch_state = SCD_S_WAITPARAM;
871 untimeout(scd_timeout,(caddr_t)sc, sc->ch);
872 if (mbx->count-- <= 0) {
873 device_printf(sc->dev, "timeout waiting for params\n");
878 if (!STATUS_BIT(sc, SBIT_RESULT_READY)) {
879 sc->ch_state = SCD_S_WAITPARAM;
880 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
884 if (mbx->count < 100 && scd_debuglevel > 0)
885 device_printf(sc->dev, "mbx->count (paramwait) = %d(%d)\n", mbx->count, 100);
889 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
890 switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) {
893 case ERR_FATAL_READ_ERROR1:
894 case ERR_FATAL_READ_ERROR2:
895 device_printf(sc->dev, "unrecoverable read error 0x%x\n", i);
900 i = SCD_READ(sc, IREG_RESULT);
902 case ERR_NOT_SPINNING:
903 XDEBUG(sc, 1, "read error: drive not spinning\n");
904 if (mbx->retry-- > 0) {
905 state = SCD_S_BEGIN1;
906 sc->data.flags &= ~SCDSPINNING;
915 i = SCD_READ(sc, IREG_RESULT);
919 if (--mbx->nblk > 0) {
920 mbx->skip += mbx->sz;
928 sc->data.flags &= ~SCDMBXBSY;
934 if (mbx->retry-- > 0) {
935 device_printf(sc->dev, "retrying ...\n");
936 state = SCD_S_BEGIN1;
940 /* invalidate the buffer */
942 bp->bio_flags |= BIO_ERROR;
943 bp->bio_resid = bp->bio_bcount;
946 sc->data.flags &= ~SCDMBXBSY;
951 device_printf(sc->dev, "media changed\n");
956 hsg2msf(int hsg, bcd_t *msf)
960 M_msf(msf) = bin2bcd(hsg / 4500);
962 S_msf(msf) = bin2bcd(hsg / 75);
963 F_msf(msf) = bin2bcd(hsg % 75);
970 return (bcd2bin(M_msf(msf)) * 60 +
971 bcd2bin(S_msf(msf))) * 75 +
972 bcd2bin(F_msf(msf)) - 150;
976 process_attention(struct scd_softc *sc)
981 while (IS_ATTENTION(sc) && count++ < 30) {
982 SCD_WRITE(sc, OREG_CONTROL, CBIT_ATTENTION_CLEAR);
983 code = SCD_READ(sc, IREG_RESULT);
986 if (scd_debuglevel > 0) {
988 device_printf(sc->dev, "DEBUG: ATTENTIONS = 0x%x", code);
990 printf(",0x%x", code);
995 case ATTEN_SPIN_DOWN:
996 sc->data.flags &= ~SCDSPINNING;
999 case ATTEN_SPIN_UP_DONE:
1000 sc->data.flags |= SCDSPINNING;
1003 case ATTEN_AUDIO_DONE:
1004 sc->data.audio_status = CD_AS_PLAY_COMPLETED;
1007 case ATTEN_DRIVE_LOADED:
1008 sc->data.flags &= ~(SCDTOC|SCDSPINNING|SCDVALID);
1009 sc->data.audio_status = CD_AS_AUDIO_INVALID;
1012 case ATTEN_EJECT_PUSHED:
1013 sc->data.flags &= ~SCDVALID;
1019 if (scd_debuglevel > 0 && count > 0)
1024 /* Returns 0 OR sony error code */
1026 spin_up(struct scd_softc *sc)
1028 unsigned char res_reg[12];
1029 unsigned int res_size;
1034 rc = send_cmd(sc, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
1036 XDEBUG(sc, 2, "CMD_SPIN_UP error 0x%x\n", rc);
1040 if (!(sc->data.flags & SCDTOC)) {
1041 rc = send_cmd(sc, CMD_READ_TOC, 0);
1042 if (rc == ERR_NOT_SPINNING) {
1043 if (loop_count++ < 3)
1051 sc->data.flags |= SCDSPINNING;
1056 static struct sony_tracklist *
1057 get_tl(struct sony_toc *toc, int size)
1059 struct sony_tracklist *tl = &toc->tracks[0];
1061 if (tl->track != 0xb0)
1063 if (tl->track != 0xb1)
1065 tl = (struct sony_tracklist *)((char *)tl + 9);
1066 if (tl->track != 0xb2)
1068 tl = (struct sony_tracklist *)((char *)tl + 9);
1069 if (tl->track != 0xb3)
1071 tl = (struct sony_tracklist *)((char *)tl + 9);
1072 if (tl->track != 0xb4)
1074 tl = (struct sony_tracklist *)((char *)tl + 9);
1075 if (tl->track != 0xc0)
1077 tl = (struct sony_tracklist *)((char *)tl + 9);
1082 read_toc(struct scd_softc *sc)
1084 struct sony_toc toc;
1085 struct sony_tracklist *tl;
1089 rc = send_cmd(sc, CMD_GET_TOC, 1, 1);
1092 if (rc > sizeof(toc)) {
1093 device_printf(sc->dev, "program error: toc too large (%d)\n", rc);
1096 if (get_result(sc, rc, (u_char *)&toc) != 0)
1099 XDEBUG(sc, 1, "toc read. len = %d, sizeof(toc) = %d\n", rc, sizeof(toc));
1101 tl = get_tl(&toc, rc);
1102 first = msf2hsg(tl->start_msf);
1103 last = msf2hsg(toc.lead_out_start_msf);
1104 sc->data.blksize = SCDBLKSIZE;
1105 sc->data.disksize = last*sc->data.blksize/DEV_BSIZE;
1107 XDEBUG(sc, 1, "firstsector = %ld, lastsector = %ld", first, last);
1109 sc->data.first_track = bcd2bin(toc.first_track);
1110 sc->data.last_track = bcd2bin(toc.last_track);
1111 if (sc->data.last_track > (MAX_TRACKS-2))
1112 sc->data.last_track = MAX_TRACKS-2;
1113 for (j = 0, i = sc->data.first_track; i <= sc->data.last_track; i++, j++) {
1114 sc->data.toc[i].adr = tl[j].adr;
1115 sc->data.toc[i].ctl = tl[j].ctl; /* for xcdplayer */
1116 bcopy(tl[j].start_msf, sc->data.toc[i].start_msf, 3);
1118 if (scd_debuglevel > 0) {
1121 device_printf(sc->dev, "tracks ");
1123 printf("[%03d: %2d %2d %2d] ", i,
1124 bcd2bin(sc->data.toc[i].start_msf[0]),
1125 bcd2bin(sc->data.toc[i].start_msf[1]),
1126 bcd2bin(sc->data.toc[i].start_msf[2]));
1130 bcopy(toc.lead_out_start_msf, sc->data.toc[sc->data.last_track+1].start_msf, 3);
1132 if (scd_debuglevel > 0) {
1133 i = sc->data.last_track+1;
1134 printf("[END: %2d %2d %2d]\n",
1135 bcd2bin(sc->data.toc[i].start_msf[0]),
1136 bcd2bin(sc->data.toc[i].start_msf[1]),
1137 bcd2bin(sc->data.toc[i].start_msf[2]));
1141 sc->data.flags |= SCDTOC;
1147 init_drive(struct scd_softc *sc)
1151 rc = send_cmd(sc, CMD_SET_DRIVE_PARAM, 2,
1152 0x05, 0x03 | ((sc->data.double_speed) ? 0x04: 0));
1154 device_printf(sc->dev, "Unable to set parameters. Errcode = 0x%x\n", rc);
1157 /* Returns 0 or errno */
1159 get_result(struct scd_softc *sc, int result_len, u_char *result)
1161 int loop_index = 2; /* send_cmd() reads two bytes ... */
1163 XDEBUG(sc, 1, "DEBUG: get_result: bytes=%d\n", result_len);
1165 while (result_len-- > 0) {
1166 if (loop_index++ >= 10) {
1168 if (waitfor_status_bits(sc, SBIT_RESULT_READY, 0))
1170 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
1173 *result++ = SCD_READ(sc, IREG_RESULT);
1175 (void)SCD_READ(sc, IREG_RESULT);
1180 /* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */
1182 send_cmd(struct scd_softc *sc, u_char cmd, u_int nargs, ...)
1189 if (waitfor_status_bits(sc, 0, SBIT_BUSY)) {
1190 device_printf(sc->dev, "drive busy\n");
1194 XDEBUG(sc, 1, "DEBUG: send_cmd: cmd=0x%x nargs=%d", cmd, nargs);
1196 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
1197 SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR);
1199 for (i = 0; i < 100; i++)
1200 if (FSTATUS_BIT(sc, FBIT_WPARAM_READY))
1202 if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) {
1203 XDEBUG(sc, 1, "\nwparam timeout\n");
1207 va_start(ap, nargs);
1208 for (i = 0; i < nargs; i++) {
1209 c = (u_char)va_arg(ap, int);
1210 SCD_WRITE(sc, OREG_WPARAMS, c);
1211 XDEBUG(sc, 1, ",{0x%x}", c);
1214 XDEBUG(sc, 1, "\n");
1216 SCD_WRITE(sc, OREG_COMMAND, cmd);
1218 rc = waitfor_status_bits(sc, SBIT_RESULT_READY, SBIT_BUSY);
1222 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
1223 switch ((rc = SCD_READ(sc, IREG_RESULT)) & 0xf0) {
1225 rc = SCD_READ(sc, IREG_RESULT);
1228 XDEBUG(sc, 1, "DEBUG: send_cmd: drive_error=0x%x\n", rc);
1232 rc = SCD_READ(sc, IREG_RESULT);
1233 XDEBUG(sc, 1, "DEBUG: send_cmd: result_len=%d\n", rc);
1239 print_error(struct scd_softc *sc, int errcode)
1243 case -ERR_CD_NOT_LOADED:
1244 device_printf(sc->dev, "door is open\n");
1246 case -ERR_NO_CD_INSIDE:
1247 device_printf(sc->dev, "no cd inside\n");
1250 if (errcode == -0x100 || errcode > 0)
1251 device_printf(sc->dev, "device timeout\n");
1253 device_printf(sc->dev, "unexpected error 0x%x\n", -errcode);
1258 /* Returns 0 or errno value */
1260 waitfor_status_bits(struct scd_softc *sc, int bits_set, int bits_clear)
1262 u_int flags = sc->data.flags;
1266 if (flags & SCDPROBING) {
1268 while (max_loop++ < 1000) {
1269 c = SCD_READ(sc, IREG_STATUS);
1272 if (c & SBIT_ATTENTION) {
1273 process_attention(sc);
1276 if ((c & bits_set) == bits_set &&
1277 (c & bits_clear) == 0)
1285 while (max_loop-- > 0) {
1286 c = SCD_READ(sc, IREG_STATUS);
1287 if (c & SBIT_ATTENTION) {
1288 process_attention(sc);
1291 if ((c & bits_set) == bits_set &&
1292 (c & bits_clear) == 0)
1296 pause("waitfor", hz/10);
1299 if ((c & bits_set) == bits_set &&
1300 (c & bits_clear) == 0)
1305 if (scd_debuglevel > 0)
1306 device_printf(sc->dev, "DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", c, bits_set, bits_clear);
1309 device_printf(sc->dev, "timeout.\n");
1313 /* these two routines for xcdplayer - "borrowed" from mcd.c */
1315 scd_toc_header (struct scd_softc *sc, struct ioc_toc_header* th)
1319 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
1320 print_error(sc, rc);
1324 th->starting_track = sc->data.first_track;
1325 th->ending_track = sc->data.last_track;
1326 th->len = 0; /* not used */
1332 scd_toc_entrys (struct scd_softc *sc, struct ioc_read_toc_entry *te)
1334 struct cd_toc_entry toc_entry;
1335 int rc, i, len = te->data_len;
1337 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
1338 print_error(sc, rc);
1342 /* find the toc to copy*/
1343 i = te->starting_track;
1344 if (i == SCD_LASTPLUS1)
1345 i = sc->data.last_track + 1;
1347 /* verify starting track */
1348 if (i < sc->data.first_track || i > sc->data.last_track+1)
1351 /* valid length ? */
1352 if (len < sizeof(struct cd_toc_entry)
1353 || (len % sizeof(struct cd_toc_entry)) != 0)
1356 /* copy the toc data */
1357 toc_entry.control = sc->data.toc[i].ctl;
1358 toc_entry.addr_type = te->address_format;
1359 toc_entry.track = i;
1360 if (te->address_format == CD_MSF_FORMAT) {
1361 toc_entry.addr.msf.unused = 0;
1362 toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]);
1363 toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]);
1364 toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]);
1367 /* copy the data back */
1368 if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0)
1376 scd_toc_entry (struct scd_softc *sc, struct ioc_read_toc_single_entry *te)
1378 struct cd_toc_entry toc_entry;
1381 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
1382 print_error(sc, rc);
1386 /* find the toc to copy*/
1388 if (i == SCD_LASTPLUS1)
1389 i = sc->data.last_track + 1;
1391 /* verify starting track */
1392 if (i < sc->data.first_track || i > sc->data.last_track+1)
1395 /* copy the toc data */
1396 toc_entry.control = sc->data.toc[i].ctl;
1397 toc_entry.addr_type = te->address_format;
1398 toc_entry.track = i;
1399 if (te->address_format == CD_MSF_FORMAT) {
1400 toc_entry.addr.msf.unused = 0;
1401 toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]);
1402 toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]);
1403 toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]);
1406 /* copy the data back */
1407 bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry));