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 withough 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.
46 /* Please send any comments to micke@dynas.se */
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/kernel.h>
57 #include <sys/disklabel.h>
60 #include <machine/stdarg.h>
62 #include <i386/isa/isa_device.h>
63 #include <i386/isa/scdreg.h>
66 #define scd_part(dev) ((minor(dev)) & 7)
67 #define scd_unit(dev) (((minor(dev)) & 0x38) >> 3)
68 #define scd_phys(dev) (((minor(dev)) & 0x40) >> 6)
72 #define SCDOPEN 0x0001 /* device opened */
73 #define SCDVALID 0x0002 /* parameters loaded */
74 #define SCDINIT 0x0004 /* device is init'd */
75 #define SCDPROBING 0x0020 /* probing */
76 #define SCDTOC 0x0100 /* already read toc */
77 #define SCDMBXBSY 0x0200 /* local mbx is busy */
78 #define SCDSPINNING 0x0400 /* drive is spun up */
81 #define SCD_S_BEGIN1 1
82 #define SCD_S_WAITSTAT 2
83 #define SCD_S_WAITFIFO 3
84 #define SCD_S_WAITSPIN 4
85 #define SCD_S_WAITREAD 5
86 #define SCD_S_WAITPARAM 6
88 #define RDELAY_WAIT 300
89 #define RDELAY_WAITREAD 300
91 #define SCDBLKSIZE 2048
94 static int scd_debuglevel = SCD_DEBUG;
95 # define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;}
97 # define XDEBUG(level, data)
112 static struct scd_data {
119 struct disklabel dlabel;
123 unsigned int ctl :4; /* xcdplayer needs this */
124 unsigned char start_msf[3];
128 struct ioc_play_msf last_play;
131 struct bio_queue_head head; /* head of bio queue */
136 static void hsg2msf(int hsg, bcd_t *msf);
137 static int msf2hsg(bcd_t *msf);
139 static void process_attention(unsigned unit);
140 static __inline void write_control(unsigned port, unsigned data);
141 static int waitfor_status_bits(int unit, int bits_set, int bits_clear);
142 static int send_cmd(u_int unit, u_char cmd, u_int nargs, ...);
143 static void init_drive(unsigned unit);
144 static int spin_up(unsigned unit);
145 static int read_toc(unsigned unit);
146 static int get_result(u_int unit, int result_len, u_char *result);
147 static void print_error(int unit, int errcode);
149 static void scd_start(int unit);
150 static timeout_t scd_timeout;
151 static void scd_doread(int state, struct scd_mbx *mbxin);
153 static int scd_eject(int unit);
154 static int scd_stop(int unit);
155 static int scd_pause(int unit);
156 static int scd_resume(int unit);
157 static int scd_playtracks(int unit, struct ioc_play_track *pt);
158 static int scd_playmsf(int unit, struct ioc_play_msf *msf);
159 static int scd_play(int unit, struct ioc_play_msf *msf);
160 static int scd_subchan(int unit, struct ioc_read_subchannel *sc);
161 static int read_subcode(int unit, struct sony_subchannel_position_data *sc);
164 static int scd_toc_header(int unit, struct ioc_toc_header *th);
165 static int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
166 static int scd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
167 #define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */
169 static int scd_probe(struct isa_device *dev);
170 static int scd_attach(struct isa_device *dev);
171 struct isa_driver scddriver = {
177 COMPAT_ISA_DRIVER(scd, scddriver);
179 /* For canceling our timeout */
180 static struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohanle);
182 static d_open_t scdopen;
183 static d_close_t scdclose;
184 static d_ioctl_t scdioctl;
185 static d_strategy_t scdstrategy;
187 #define CDEV_MAJOR 45
189 static struct cdevsw scd_cdevsw = {
191 /* close */ scdclose,
194 /* ioctl */ scdioctl,
197 /* strategy */ scdstrategy,
199 /* maj */ CDEV_MAJOR,
207 scd_attach(struct isa_device *dev)
209 int unit = dev->id_unit;
210 struct scd_data *cd = scd_data + unit;
212 cd->iobase = dev->id_iobase; /* Already set by probe, but ... */
214 /* name filled in probe */
215 printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name);
217 init_drive(dev->id_unit);
220 cd->audio_status = CD_AS_AUDIO_INVALID;
221 bioq_init(&cd->head);
223 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0),
224 UID_ROOT, GID_OPERATOR, 0640, "rscd%da", unit);
225 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
226 UID_ROOT, GID_OPERATOR, 0640, "rscd%dc", unit);
227 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0),
228 UID_ROOT, GID_OPERATOR, 0640, "scd%da", unit);
229 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
230 UID_ROOT, GID_OPERATOR, 0640, "scd%dc", unit);
235 scdopen(dev_t dev, int flags, int fmt, struct proc *p)
241 unit = scd_unit(dev);
245 cd = scd_data + unit;
246 part = scd_part(dev);
247 phys = scd_phys(dev);
250 if (!(cd->flags & SCDINIT))
253 /* invalidated in the meantime? mark all open part's invalid */
257 XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS)));
259 if ((rc = spin_up(unit)) != 0) {
260 print_error(unit, rc);
263 if (!(cd->flags & SCDTOC)) {
266 while (loop_count-- > 0 && (rc = read_toc(unit)) != 0) {
267 if (rc == ERR_NOT_SPINNING) {
270 print_error(unit, rc);\
275 printf("scd%d: TOC read error 0x%x\n", unit, rc);
280 dev->si_bsize_phys = cd->blksize;
283 cd->flags |= SCDVALID;
289 scdclose(dev_t dev, int flags, int fmt, struct proc *p)
294 unit = scd_unit(dev);
298 cd = scd_data + unit;
299 part = scd_part(dev);
300 phys = scd_phys(dev);
302 if (!(cd->flags & SCDINIT) || !cd->openflag)
305 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) {
306 (void)send_cmd(unit, CMD_SPIN_DOWN, 0);
307 cd->flags &= ~SCDSPINNING;
318 scdstrategy(struct bio *bp)
322 int unit = scd_unit(bp->bio_dev);
324 cd = scd_data + unit;
326 XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n",
327 unit, (long)bp->bio_blkno, bp->bio_bcount));
329 if (unit >= NSCD || bp->bio_blkno < 0 || (bp->bio_bcount % SCDBLKSIZE)) {
330 printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n",
331 unit, (long)bp->bio_blkno, bp->bio_bcount);
332 bp->bio_error = EINVAL;
333 bp->bio_flags |= BIO_ERROR;
337 /* if device invalidated (e.g. media change, door open), error */
338 if (!(cd->flags & SCDVALID)) {
339 printf("scd%d: media changed\n", unit);
345 if (!(bp->bio_cmd == BIO_READ)) {
346 bp->bio_error = EROFS;
350 /* no data to read */
351 if (bp->bio_bcount == 0)
354 if (!(cd->flags & SCDTOC)) {
358 /* adjust transfer if necessary */
359 if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0)
362 bp->bio_pblkno = bp->bio_blkno;
367 bioqdisksort(&cd->head, bp);
370 /* now check whether we can perform processing */
375 bp->bio_flags |= BIO_ERROR;
377 bp->bio_resid = bp->bio_bcount;
385 struct scd_data *cd = scd_data + unit;
390 if (cd->flags & SCDMBXBSY) {
395 bp = bioq_first(&cd->head);
397 /* block found to process, dequeue */
398 bioq_remove(&cd->head, bp);
399 cd->flags |= SCDMBXBSY;
407 p = cd->dlabel.d_partitions + scd_part(bp->bio_dev);
410 cd->mbx.port = cd->iobase;
413 cd->mbx.p_offset = p->p_offset;
416 scd_doread(SCD_S_BEGIN,&(cd->mbx));
421 scdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
426 unit = scd_unit(dev);
427 part = scd_part(dev);
428 cd = scd_data + unit;
430 XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd));
432 if (!(cd->flags & SCDVALID))
437 *(struct disklabel *)addr = cd->dlabel;
440 ((struct partinfo *)addr)->disklab = &cd->dlabel;
441 ((struct partinfo *)addr)->part =
442 &cd->dlabel.d_partitions[0];
444 case CDIOCPLAYTRACKS:
445 return scd_playtracks(unit, (struct ioc_play_track *) addr);
446 case CDIOCPLAYBLOCKS:
449 return scd_playmsf(unit, (struct ioc_play_msf *) addr);
450 case CDIOCREADSUBCHANNEL:
451 return scd_subchan(unit, (struct ioc_read_subchannel *) addr);
452 case CDIOREADTOCHEADER:
453 return scd_toc_header (unit, (struct ioc_toc_header *) addr);
454 case CDIOREADTOCENTRYS:
455 return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr);
456 case CDIOREADTOCENTRY:
457 return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr);
468 return scd_resume(unit);
470 return scd_pause(unit);
474 return scd_stop(unit);
476 return scd_eject(unit);
491 printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd);
496 /***************************************************************
497 * lower level of driver starts here
498 **************************************************************/
501 scd_playtracks(int unit, struct ioc_play_track *pt)
503 struct scd_data *cd = scd_data + unit;
504 struct ioc_play_msf msf;
505 int a = pt->start_track;
506 int z = pt->end_track;
509 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
510 if (rc == -ERR_NOT_SPINNING) {
511 if (spin_up(unit) != 0)
516 print_error(unit, rc);
521 XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit,
522 a, pt->start_index, z, pt->end_index));
524 if ( a < cd->first_track
525 || a > cd->last_track
527 || z > cd->last_track)
530 bcopy(cd->toc[a].start_msf, &msf.start_m, 3);
531 hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m);
533 return scd_play(unit, &msf);
536 /* The start/end msf is expected to be in bin format */
538 scd_playmsf(int unit, struct ioc_play_msf *msfin)
540 struct ioc_play_msf msf;
542 msf.start_m = bin2bcd(msfin->start_m);
543 msf.start_s = bin2bcd(msfin->start_s);
544 msf.start_f = bin2bcd(msfin->start_f);
545 msf.end_m = bin2bcd(msfin->end_m);
546 msf.end_s = bin2bcd(msfin->end_s);
547 msf.end_f = bin2bcd(msfin->end_f);
549 return scd_play(unit, &msf);
552 /* The start/end msf is expected to be in bcd format */
554 scd_play(int unit, struct ioc_play_msf *msf)
556 struct scd_data *cd = scd_data + unit;
559 XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit,
560 msf->start_m, msf->start_s, msf->start_f,
561 msf->end_m, msf->end_s, msf->end_f));
563 for (i = 0; i < 2; i++) {
564 rc = send_cmd(unit, CMD_PLAY_AUDIO, 7,
566 msf->start_m, msf->start_s, msf->start_f,
567 msf->end_m, msf->end_s, msf->end_f);
568 if (rc == -ERR_NOT_SPINNING) {
569 cd->flags &= ~SCDSPINNING;
570 if (spin_up(unit) != 0)
573 print_error(unit, rc);
579 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
580 bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf));
587 struct scd_data *cd = scd_data + unit;
589 (void)send_cmd(unit, CMD_STOP_AUDIO, 0);
590 cd->audio_status = CD_AS_PLAY_COMPLETED;
597 struct scd_data *cd = scd_data + unit;
598 struct sony_subchannel_position_data subpos;
600 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS)
603 if (read_subcode(unit, &subpos) != 0)
606 if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0)
609 cd->last_play.start_m = subpos.abs_msf[0];
610 cd->last_play.start_s = subpos.abs_msf[1];
611 cd->last_play.start_f = subpos.abs_msf[2];
612 cd->audio_status = CD_AS_PLAY_PAUSED;
614 XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit,
615 cd->last_play.start_m,
616 cd->last_play.start_s,
617 cd->last_play.start_f));
625 if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED)
627 return scd_play(unit, &scd_data[unit].last_play);
633 struct scd_data *cd = scd_data + unit;
635 cd->audio_status = CD_AS_AUDIO_INVALID;
636 cd->flags &= ~(SCDSPINNING|SCDTOC);
638 if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 ||
639 send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 ||
640 send_cmd(unit, CMD_EJECT, 0) != 0)
648 scd_subchan(int unit, struct ioc_read_subchannel *sc)
650 struct scd_data *cd = scd_data + unit;
651 struct sony_subchannel_position_data q;
652 struct cd_sub_channel_info data;
654 XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit,
658 if (sc->address_format != CD_MSF_FORMAT)
661 if (sc->data_format != CD_CURRENT_POSITION)
664 if (read_subcode(unit, &q) != 0)
667 data.header.audio_status = cd->audio_status;
668 data.what.position.data_format = CD_MSF_FORMAT;
669 data.what.position.track_number = bcd2bin(q.track_number);
670 data.what.position.reladdr.msf.unused = 0;
671 data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]);
672 data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]);
673 data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]);
674 data.what.position.absaddr.msf.unused = 0;
675 data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]);
676 data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]);
677 data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]);
679 if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0)
685 write_control(unsigned port, unsigned data)
687 outb(port + OREG_CONTROL, data);
691 scd_probe(struct isa_device *dev)
693 struct sony_drive_configuration drive_config;
694 int unit = dev->id_unit;
696 static char namebuf[8+16+8+3];
702 cdevsw_add(&scd_cdevsw);
704 scd_data[unit].flags = SCDPROBING;
705 scd_data[unit].iobase = dev->id_iobase;
707 bzero(&drive_config, sizeof(drive_config));
711 write_control(dev->id_iobase, CBIT_RESET_DRIVE);
716 /* Only the ATTENTION bit may be set */
717 if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) {
718 XDEBUG(1, ("scd: too many bits set. probe failed.\n"));
721 rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0);
722 if (rc != sizeof(drive_config)) {
723 /* Sometimes if the drive is playing audio I get */
724 /* the bad result 82. Fix by repeating the reset */
725 if (rc > 0 && loop_count++ == 0)
729 if (get_result(unit, rc, (u_char *)&drive_config) != 0)
732 bcopy(drive_config.vendor, namebuf, 8);
734 while (*(s-1) == ' ') /* Strip trailing spaces */
737 bcopy(drive_config.product, s, 16);
739 while (*(s-1) == ' ')
742 bcopy(drive_config.revision, s, 8);
744 while (*(s-1) == ' ')
748 scd_data[unit].name = namebuf;
750 if (drive_config.config & 0x10)
751 scd_data[unit].double_speed = 1;
753 scd_data[unit].double_speed = 0;
759 read_subcode(int unit, struct sony_subchannel_position_data *sc)
763 rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0);
764 if (rc < 0 || rc < sizeof(*sc))
766 if (get_result(unit, rc, (u_char *)sc) != 0)
771 /* State machine copied from mcd.c */
773 /* This (and the code in mcd.c) will not work with more than one drive */
774 /* because there is only one mbxsave below. Should fix that some day. */
775 /* (mbxsave & state should probably be included in the scd_data struct and */
776 /* the unit number used as first argument to scd_doread().) /Micke */
778 /* state machine to process read requests
779 * initialize with SCD_S_BEGIN: reset state machine
780 * SCD_S_WAITSTAT: wait for ready (!busy)
781 * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning)
782 * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command.
783 * SCD_S_WAITREAD: wait for data ready, read data
784 * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read.
787 static struct scd_mbx *mbxsave;
790 scd_timeout(void *arg)
792 scd_doread((int)arg, mbxsave);
796 scd_doread(int state, struct scd_mbx *mbxin)
798 struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin;
799 int unit = mbx->unit;
800 int port = mbx->port;
801 struct bio *bp = mbx->bp;
802 struct scd_data *cd = scd_data + unit;
806 static char sdata[3]; /* Must be preserved between calls to this function */
811 mbx = mbxsave = mbxin;
815 mbx->count = RDELAY_WAIT;
817 process_attention(unit);
821 untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle);
822 if (mbx->count-- <= 0) {
823 printf("scd%d: timeout. drive busy.\n",unit);
829 tohandle = timeout(scd_timeout,
830 (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */
834 process_attention(unit);
836 /* reject, if audio active */
837 if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) {
838 printf("scd%d: audio is active\n",unit);
842 mbx->sz = cd->blksize;
844 /* for first block */
845 mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz;
849 if (!(cd->flags & SCDVALID))
852 blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE))
853 + mbx->p_offset + mbx->skip/mbx->sz;
855 XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum));
857 /* build parameter block */
858 hsg2msf(blknum, sdata);
860 write_control(port, CBIT_RESULT_READY_CLEAR);
861 write_control(port, CBIT_RPARAM_CLEAR);
862 write_control(port, CBIT_DATA_READY_CLEAR);
864 if (FSTATUS_BIT(port, FBIT_WPARAM_READY))
868 tohandle = timeout(scd_timeout,
869 (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */
873 untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle);
874 if (mbx->count-- <= 0) {
875 printf("scd%d: timeout waiting for drive to spin up.\n", unit);
878 if (!STATUS_BIT(port, SBIT_RESULT_READY)) {
879 tohandle = timeout(scd_timeout,
880 (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */
883 write_control(port, CBIT_RESULT_READY_CLEAR);
884 switch ((i = inb(port+IREG_RESULT)) & 0xf0) {
886 i = inb(port+IREG_RESULT);
887 print_error(unit, i);
890 (void)inb(port+IREG_RESULT);
891 cd->flags |= SCDSPINNING;
894 XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit));
896 state = SCD_S_BEGIN1;
900 untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle);
901 if (mbx->count-- <= 0) {
902 printf("scd%d: timeout. write param not ready.\n",unit);
905 if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) {
906 tohandle = timeout(scd_timeout,
907 (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */
910 XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100));
913 /* The reason this test isn't done 'till now is to make sure */
914 /* that it is ok to send the SPIN_UP cmd below. */
915 if (!(cd->flags & SCDSPINNING)) {
916 XDEBUG(1, ("scd%d: spinning up drive ...\n", unit));
917 outb(port+OREG_COMMAND, CMD_SPIN_UP);
919 tohandle = timeout(scd_timeout,
920 (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */
924 reg = port + OREG_WPARAMS;
925 /* send the read command */
933 outb(port+OREG_COMMAND, CMD_READ);
936 mbx->count = RDELAY_WAITREAD;
937 for (i = 0; i < 50; i++) {
938 if (STATUS_BIT(port, SBIT_DATA_READY))
943 tohandle = timeout(scd_timeout,
944 (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */
948 untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle);
949 if (mbx->count-- <= 0) {
950 if (STATUS_BIT(port, SBIT_RESULT_READY))
952 printf("scd%d: timeout while reading data\n",unit);
955 if (!STATUS_BIT(port, SBIT_DATA_READY)) {
956 process_attention(unit);
957 if (!(cd->flags & SCDVALID))
959 tohandle = timeout(scd_timeout,
960 (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */
963 XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD));
967 addr = bp->bio_data + mbx->skip;
968 write_control(port, CBIT_DATA_READY_CLEAR);
969 insb(port+IREG_DATA, addr, mbx->sz);
972 for (i = 0; i < 20; i++) {
973 if (STATUS_BIT(port, SBIT_RESULT_READY))
979 case SCD_S_WAITPARAM:
980 untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle);
981 if (mbx->count-- <= 0) {
982 printf("scd%d: timeout waiting for params\n",unit);
987 if (!STATUS_BIT(port, SBIT_RESULT_READY)) {
988 tohandle = timeout(scd_timeout,
989 (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */
993 if (mbx->count < 100 && scd_debuglevel > 0)
994 printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100);
998 write_control(port, CBIT_RESULT_READY_CLEAR);
999 switch ((i = inb(port+IREG_RESULT)) & 0xf0) {
1002 case ERR_FATAL_READ_ERROR1:
1003 case ERR_FATAL_READ_ERROR2:
1004 printf("scd%d: unrecoverable read error 0x%x\n", unit, i);
1009 i = inb(port+IREG_RESULT);
1011 case ERR_NOT_SPINNING:
1012 XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit));
1013 if (mbx->retry-- > 0) {
1014 state = SCD_S_BEGIN1;
1015 cd->flags &= ~SCDSPINNING;
1020 print_error(unit, i);
1024 i = inb(port+IREG_RESULT);
1028 if (--mbx->nblk > 0) {
1029 mbx->skip += mbx->sz;
1037 cd->flags &= ~SCDMBXBSY;
1038 scd_start(mbx->unit);
1043 if (mbx->retry-- > 0) {
1044 printf("scd%d: retrying ...\n",unit);
1045 state = SCD_S_BEGIN1;
1049 /* invalidate the buffer */
1050 bp->bio_error = EIO;
1051 bp->bio_flags |= BIO_ERROR;
1052 bp->bio_resid = bp->bio_bcount;
1055 cd->flags &= ~SCDMBXBSY;
1056 scd_start(mbx->unit);
1060 printf("scd%d: media changed\n", unit);
1065 hsg2msf(int hsg, bcd_t *msf)
1068 M_msf(msf) = bin2bcd(hsg / 4500);
1070 S_msf(msf) = bin2bcd(hsg / 75);
1071 F_msf(msf) = bin2bcd(hsg % 75);
1077 return (bcd2bin(M_msf(msf)) * 60 +
1078 bcd2bin(S_msf(msf))) * 75 +
1079 bcd2bin(F_msf(msf)) - 150;
1083 process_attention(unsigned unit)
1085 unsigned port = scd_data[unit].iobase;
1089 while (IS_ATTENTION(port) && count++ < 30) {
1090 write_control(port, CBIT_ATTENTION_CLEAR);
1091 code = inb(port+IREG_RESULT);
1094 if (scd_debuglevel > 0) {
1096 printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code);
1098 printf(",0x%x", code);
1103 case ATTEN_SPIN_DOWN:
1104 scd_data[unit].flags &= ~SCDSPINNING;
1107 case ATTEN_SPIN_UP_DONE:
1108 scd_data[unit].flags |= SCDSPINNING;
1111 case ATTEN_AUDIO_DONE:
1112 scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED;
1115 case ATTEN_DRIVE_LOADED:
1116 scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID);
1117 scd_data[unit].audio_status = CD_AS_AUDIO_INVALID;
1120 case ATTEN_EJECT_PUSHED:
1121 scd_data[unit].flags &= ~SCDVALID;
1127 if (scd_debuglevel > 0 && count > 0)
1132 /* Returns 0 OR sony error code */
1134 spin_up(unsigned unit)
1136 unsigned char res_reg[12];
1137 unsigned int res_size;
1142 rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
1144 XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc));
1148 if (!(scd_data[unit].flags & SCDTOC)) {
1149 rc = send_cmd(unit, CMD_READ_TOC, 0);
1150 if (rc == ERR_NOT_SPINNING) {
1151 if (loop_count++ < 3)
1159 scd_data[unit].flags |= SCDSPINNING;
1164 static struct sony_tracklist *
1165 get_tl(struct sony_toc *toc, int size)
1167 struct sony_tracklist *tl = &toc->tracks[0];
1169 if (tl->track != 0xb0)
1172 if (tl->track != 0xb1)
1175 if (tl->track != 0xb2)
1178 if (tl->track != 0xb3)
1181 if (tl->track != 0xb4)
1184 if (tl->track != 0xc0)
1191 read_toc(unsigned unit)
1193 struct scd_data *cd;
1194 unsigned part = 0; /* For now ... */
1195 struct sony_toc toc;
1196 struct sony_tracklist *tl;
1200 cd = scd_data + unit;
1202 rc = send_cmd(unit, CMD_GET_TOC, 1, part+1);
1205 if (rc > sizeof(toc)) {
1206 printf("scd%d: program error: toc too large (%d)\n", unit, rc);
1209 if (get_result(unit, rc, (u_char *)&toc) != 0)
1212 XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc)));
1214 tl = get_tl(&toc, rc);
1215 first = msf2hsg(tl->start_msf);
1216 last = msf2hsg(toc.lead_out_start_msf);
1217 cd->blksize = SCDBLKSIZE;
1218 cd->disksize = last*cd->blksize/DEV_BSIZE;
1220 XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit,
1223 cd->first_track = bcd2bin(toc.first_track);
1224 cd->last_track = bcd2bin(toc.last_track);
1225 if (cd->last_track > (MAX_TRACKS-2))
1226 cd->last_track = MAX_TRACKS-2;
1227 for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) {
1228 cd->toc[i].adr = tl[j].adr;
1229 cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */
1230 bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3);
1232 if (scd_debuglevel > 0) {
1234 printf("\nscd%d: tracks ", unit);
1235 printf("[%03d: %2d %2d %2d] ", i,
1236 bcd2bin(cd->toc[i].start_msf[0]),
1237 bcd2bin(cd->toc[i].start_msf[1]),
1238 bcd2bin(cd->toc[i].start_msf[2]));
1242 bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3);
1244 if (scd_debuglevel > 0) {
1245 i = cd->last_track+1;
1246 printf("[END: %2d %2d %2d]\n",
1247 bcd2bin(cd->toc[i].start_msf[0]),
1248 bcd2bin(cd->toc[i].start_msf[1]),
1249 bcd2bin(cd->toc[i].start_msf[2]));
1253 bzero(&cd->dlabel,sizeof(struct disklabel));
1254 /* filled with spaces first */
1255 strncpy(cd->dlabel.d_typename," ",
1256 sizeof(cd->dlabel.d_typename));
1257 strncpy(cd->dlabel.d_typename, cd->name,
1258 min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
1259 strncpy(cd->dlabel.d_packname,"unknown ",
1260 sizeof(cd->dlabel.d_packname));
1261 cd->dlabel.d_secsize = cd->blksize;
1262 cd->dlabel.d_nsectors = 100;
1263 cd->dlabel.d_ntracks = 1;
1264 cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
1265 cd->dlabel.d_secpercyl = 100;
1266 cd->dlabel.d_secperunit = cd->disksize;
1267 cd->dlabel.d_rpm = 300;
1268 cd->dlabel.d_interleave = 1;
1269 cd->dlabel.d_flags = D_REMOVABLE;
1270 cd->dlabel.d_npartitions= 1;
1271 cd->dlabel.d_partitions[0].p_offset = 0;
1272 cd->dlabel.d_partitions[0].p_size = cd->disksize;
1273 cd->dlabel.d_partitions[0].p_fstype = 9;
1274 cd->dlabel.d_magic = DISKMAGIC;
1275 cd->dlabel.d_magic2 = DISKMAGIC;
1276 cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
1278 cd->flags |= SCDTOC;
1284 init_drive(unsigned unit)
1288 rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2,
1289 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0));
1291 printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc);
1294 /* Returns 0 or errno */
1296 get_result(u_int unit, int result_len, u_char *result)
1298 unsigned int port = scd_data[unit].iobase;
1299 unsigned int res_reg = port + IREG_RESULT;
1300 int loop_index = 2; /* send_cmd() reads two bytes ... */
1302 XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len));
1304 while (result_len-- > 0) {
1305 if (loop_index++ >= 10) {
1307 if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0))
1309 write_control(port, CBIT_RESULT_READY_CLEAR);
1312 *result++ = inb(res_reg);
1319 /* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */
1321 send_cmd(u_int unit, u_char cmd, u_int nargs, ...)
1324 u_int port = scd_data[unit].iobase;
1330 if (waitfor_status_bits(unit, 0, SBIT_BUSY)) {
1331 printf("scd%d: drive busy\n", unit);
1335 XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs));
1337 write_control(port, CBIT_RESULT_READY_CLEAR);
1338 write_control(port, CBIT_RPARAM_CLEAR);
1340 for (i = 0; i < 100; i++)
1341 if (FSTATUS_BIT(port, FBIT_WPARAM_READY))
1343 if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) {
1344 XDEBUG(1, ("\nscd%d: wparam timeout\n", unit));
1348 va_start(ap, nargs);
1349 reg = port + OREG_WPARAMS;
1350 for (i = 0; i < nargs; i++) {
1351 c = (u_char)va_arg(ap, int);
1353 XDEBUG(1, (",{0x%x}", c));
1358 outb(port+OREG_COMMAND, cmd);
1360 rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY);
1364 reg = port + IREG_RESULT;
1365 write_control(port, CBIT_RESULT_READY_CLEAR);
1366 switch ((rc = inb(reg)) & 0xf0) {
1371 XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc));
1376 XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc));
1382 print_error(int unit, int errcode)
1385 case -ERR_CD_NOT_LOADED:
1386 printf("scd%d: door is open\n", unit);
1388 case -ERR_NO_CD_INSIDE:
1389 printf("scd%d: no cd inside\n", unit);
1392 if (errcode == -0x100 || errcode > 0)
1393 printf("scd%d: device timeout\n", unit);
1395 printf("scd%d: unexpected error 0x%x\n", unit, -errcode);
1400 /* Returns 0 or errno value */
1402 waitfor_status_bits(int unit, int bits_set, int bits_clear)
1404 u_int port = scd_data[unit].iobase;
1405 u_int flags = scd_data[unit].flags;
1406 u_int reg = port + IREG_STATUS;
1410 if (flags & SCDPROBING) {
1412 while (max_loop++ < 1000) {
1416 if (c & SBIT_ATTENTION) {
1417 process_attention(unit);
1420 if ((c & bits_set) == bits_set &&
1421 (c & bits_clear) == 0)
1429 while (max_loop-- > 0) {
1431 if (c & SBIT_ATTENTION) {
1432 process_attention(unit);
1435 if ((c & bits_set) == bits_set &&
1436 (c & bits_clear) == 0)
1440 tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10);
1443 if ((c & bits_set) == bits_set &&
1444 (c & bits_clear) == 0)
1449 if (scd_debuglevel > 0)
1450 printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear);
1453 printf("scd%d: timeout.\n", unit);
1457 /* these two routines for xcdplayer - "borrowed" from mcd.c */
1459 scd_toc_header (int unit, struct ioc_toc_header* th)
1461 struct scd_data *cd = scd_data + unit;
1464 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1465 print_error(unit, rc);
1469 th->starting_track = cd->first_track;
1470 th->ending_track = cd->last_track;
1471 th->len = 0; /* not used */
1477 scd_toc_entrys (int unit, struct ioc_read_toc_entry *te)
1479 struct scd_data *cd = scd_data + unit;
1480 struct cd_toc_entry toc_entry;
1481 int rc, i, len = te->data_len;
1483 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1484 print_error(unit, rc);
1488 /* find the toc to copy*/
1489 i = te->starting_track;
1490 if (i == SCD_LASTPLUS1)
1491 i = cd->last_track + 1;
1493 /* verify starting track */
1494 if (i < cd->first_track || i > cd->last_track+1)
1497 /* valid length ? */
1498 if (len < sizeof(struct cd_toc_entry)
1499 || (len % sizeof(struct cd_toc_entry)) != 0)
1502 /* copy the toc data */
1503 toc_entry.control = cd->toc[i].ctl;
1504 toc_entry.addr_type = te->address_format;
1505 toc_entry.track = i;
1506 if (te->address_format == CD_MSF_FORMAT) {
1507 toc_entry.addr.msf.unused = 0;
1508 toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]);
1509 toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]);
1510 toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]);
1513 /* copy the data back */
1514 if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0)
1522 scd_toc_entry (int unit, struct ioc_read_toc_single_entry *te)
1524 struct scd_data *cd = scd_data + unit;
1525 struct cd_toc_entry toc_entry;
1528 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1529 print_error(unit, rc);
1533 /* find the toc to copy*/
1535 if (i == SCD_LASTPLUS1)
1536 i = cd->last_track + 1;
1538 /* verify starting track */
1539 if (i < cd->first_track || i > cd->last_track+1)
1542 /* copy the toc data */
1543 toc_entry.control = cd->toc[i].ctl;
1544 toc_entry.addr_type = te->address_format;
1545 toc_entry.track = i;
1546 if (te->address_format == CD_MSF_FORMAT) {
1547 toc_entry.addr.msf.unused = 0;
1548 toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]);
1549 toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]);
1550 toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]);
1553 /* copy the data back */
1554 bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry));