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.
44 /* $FreeBSD: src/sys/i386/isa/scd.c,v 1.54 2000/01/29 16:00:30 peter Exp $ */
45 /* $DragonFly: src/sys/dev/disk/scd/Attic/scd.c,v 1.7 2003/08/07 21:16:54 dillon Exp $ */
47 /* Please send any comments to micke@dynas.se */
52 #include <sys/param.h>
53 #include <sys/systm.h>
57 #include <sys/disklabel.h>
58 #include <sys/kernel.h>
61 #include <machine/clock.h>
62 #include <machine/stdarg.h>
64 #include <bus/isa/i386/isa_device.h>
68 #define scd_part(dev) ((minor(dev)) & 7)
69 #define scd_unit(dev) (((minor(dev)) & 0x38) >> 3)
70 #define scd_phys(dev) (((minor(dev)) & 0x40) >> 6)
74 #define SCDOPEN 0x0001 /* device opened */
75 #define SCDVALID 0x0002 /* parameters loaded */
76 #define SCDINIT 0x0004 /* device is init'd */
77 #define SCDPROBING 0x0020 /* probing */
78 #define SCDTOC 0x0100 /* already read toc */
79 #define SCDMBXBSY 0x0200 /* local mbx is busy */
80 #define SCDSPINNING 0x0400 /* drive is spun up */
83 #define SCD_S_BEGIN1 1
84 #define SCD_S_WAITSTAT 2
85 #define SCD_S_WAITFIFO 3
86 #define SCD_S_WAITSPIN 4
87 #define SCD_S_WAITREAD 5
88 #define SCD_S_WAITPARAM 6
90 #define RDELAY_WAIT 300
91 #define RDELAY_WAITREAD 300
93 #define SCDBLKSIZE 2048
96 static int scd_debuglevel = SCD_DEBUG;
97 # define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;}
99 # define XDEBUG(level, data)
114 static struct scd_data {
121 struct disklabel dlabel;
125 unsigned int ctl :4; /* xcdplayer needs this */
126 unsigned char start_msf[3];
130 struct ioc_play_msf last_play;
133 struct buf_queue_head head; /* head of buf queue */
138 static void hsg2msf(int hsg, bcd_t *msf);
139 static int msf2hsg(bcd_t *msf);
141 static void process_attention(unsigned unit);
142 static __inline void write_control(unsigned port, unsigned data);
143 static int waitfor_status_bits(int unit, int bits_set, int bits_clear);
144 static int send_cmd(u_int unit, u_char cmd, u_int nargs, ...);
145 static void init_drive(unsigned unit);
146 static int spin_up(unsigned unit);
147 static int read_toc(unsigned unit);
148 static int get_result(u_int unit, int result_len, u_char *result);
149 static void print_error(int unit, int errcode);
151 static void scd_start(int unit);
152 static timeout_t scd_timeout;
153 static void scd_doread(int state, struct scd_mbx *mbxin);
155 static int scd_eject(int unit);
156 static int scd_stop(int unit);
157 static int scd_pause(int unit);
158 static int scd_resume(int unit);
159 static int scd_playtracks(int unit, struct ioc_play_track *pt);
160 static int scd_playmsf(int unit, struct ioc_play_msf *msf);
161 static int scd_play(int unit, struct ioc_play_msf *msf);
162 static int scd_subchan(int unit, struct ioc_read_subchannel *sc);
163 static int read_subcode(int unit, struct sony_subchannel_position_data *sc);
166 static int scd_toc_header(int unit, struct ioc_toc_header *th);
167 static int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
168 static int scd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
169 #define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */
171 static int scd_probe(struct isa_device *dev);
172 static int scd_attach(struct isa_device *dev);
173 struct isa_driver scddriver = { scd_probe, scd_attach, "scd" };
175 /* For canceling our timeout */
176 static struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohanle);
178 static d_open_t scdopen;
179 static d_close_t scdclose;
180 static d_ioctl_t scdioctl;
181 static d_strategy_t scdstrategy;
183 #define CDEV_MAJOR 45
184 static struct cdevsw scd_cdevsw = {
186 /* maj */ CDEV_MAJOR,
192 /* close */ scdclose,
195 /* ioctl */ scdioctl,
198 /* strategy */ scdstrategy,
205 scd_attach(struct isa_device *dev)
207 int unit = dev->id_unit;
208 struct scd_data *cd = scd_data + unit;
210 cd->iobase = dev->id_iobase; /* Already set by probe, but ... */
212 /* name filled in probe */
213 printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name);
215 init_drive(dev->id_unit);
218 cd->audio_status = CD_AS_AUDIO_INVALID;
219 bufq_init(&cd->head);
221 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0),
222 UID_ROOT, GID_OPERATOR, 0640, "rscd%da", unit);
223 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
224 UID_ROOT, GID_OPERATOR, 0640, "rscd%dc", unit);
225 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0),
226 UID_ROOT, GID_OPERATOR, 0640, "scd%da", unit);
227 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
228 UID_ROOT, GID_OPERATOR, 0640, "scd%dc", unit);
233 scdopen(dev_t dev, int flags, int fmt, struct thread *td)
239 unit = scd_unit(dev);
243 cd = scd_data + unit;
244 part = scd_part(dev);
245 phys = scd_phys(dev);
248 if (!(cd->flags & SCDINIT))
251 /* invalidated in the meantime? mark all open part's invalid */
255 XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS)));
257 if ((rc = spin_up(unit)) != 0) {
258 print_error(unit, rc);
261 if (!(cd->flags & SCDTOC)) {
264 while (loop_count-- > 0 && (rc = read_toc(unit)) != 0) {
265 if (rc == ERR_NOT_SPINNING) {
268 print_error(unit, rc);\
273 printf("scd%d: TOC read error 0x%x\n", unit, rc);
278 dev->si_bsize_phys = cd->blksize;
281 cd->flags |= SCDVALID;
287 scdclose(dev_t dev, int flags, int fmt, struct thread *td)
292 unit = scd_unit(dev);
296 cd = scd_data + unit;
297 part = scd_part(dev);
298 phys = scd_phys(dev);
300 if (!(cd->flags & SCDINIT) || !cd->openflag)
303 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) {
304 (void)send_cmd(unit, CMD_SPIN_DOWN, 0);
305 cd->flags &= ~SCDSPINNING;
316 scdstrategy(struct buf *bp)
320 int unit = scd_unit(bp->b_dev);
322 cd = scd_data + unit;
324 XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n",
325 unit, (long)bp->b_blkno, bp->b_bcount));
327 if (unit >= NSCD || bp->b_blkno < 0 || (bp->b_bcount % SCDBLKSIZE)) {
328 printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n",
329 unit, (long)bp->b_blkno, bp->b_bcount);
330 bp->b_error = EINVAL;
331 bp->b_flags |= B_ERROR;
335 /* if device invalidated (e.g. media change, door open), error */
336 if (!(cd->flags & SCDVALID)) {
337 printf("scd%d: media changed\n", unit);
343 if (!(bp->b_flags & B_READ)) {
348 /* no data to read */
349 if (bp->b_bcount == 0)
352 if (!(cd->flags & SCDTOC)) {
356 /* adjust transfer if necessary */
357 if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0)
360 bp->b_pblkno = bp->b_blkno;
365 bufqdisksort(&cd->head, bp);
368 /* now check whether we can perform processing */
373 bp->b_flags |= B_ERROR;
375 bp->b_resid = bp->b_bcount;
383 struct scd_data *cd = scd_data + unit;
388 if (cd->flags & SCDMBXBSY) {
393 bp = bufq_first(&cd->head);
395 /* block found to process, dequeue */
396 bufq_remove(&cd->head, bp);
397 cd->flags |= SCDMBXBSY;
405 p = cd->dlabel.d_partitions + scd_part(bp->b_dev);
408 cd->mbx.port = cd->iobase;
411 cd->mbx.p_offset = p->p_offset;
414 scd_doread(SCD_S_BEGIN,&(cd->mbx));
419 scdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
424 unit = scd_unit(dev);
425 part = scd_part(dev);
426 cd = scd_data + unit;
428 XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd));
430 if (!(cd->flags & SCDVALID))
435 *(struct disklabel *)addr = cd->dlabel;
438 ((struct partinfo *)addr)->disklab = &cd->dlabel;
439 ((struct partinfo *)addr)->part =
440 &cd->dlabel.d_partitions[0];
442 case CDIOCPLAYTRACKS:
443 return scd_playtracks(unit, (struct ioc_play_track *) addr);
444 case CDIOCPLAYBLOCKS:
447 return scd_playmsf(unit, (struct ioc_play_msf *) addr);
448 case CDIOCREADSUBCHANNEL:
449 return scd_subchan(unit, (struct ioc_read_subchannel *) addr);
450 case CDIOREADTOCHEADER:
451 return scd_toc_header (unit, (struct ioc_toc_header *) addr);
452 case CDIOREADTOCENTRYS:
453 return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr);
454 case CDIOREADTOCENTRY:
455 return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr);
466 return scd_resume(unit);
468 return scd_pause(unit);
472 return scd_stop(unit);
474 return scd_eject(unit);
489 printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd);
494 /***************************************************************
495 * lower level of driver starts here
496 **************************************************************/
499 scd_playtracks(int unit, struct ioc_play_track *pt)
501 struct scd_data *cd = scd_data + unit;
502 struct ioc_play_msf msf;
503 int a = pt->start_track;
504 int z = pt->end_track;
507 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
508 if (rc == -ERR_NOT_SPINNING) {
509 if (spin_up(unit) != 0)
514 print_error(unit, rc);
519 XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit,
520 a, pt->start_index, z, pt->end_index));
522 if ( a < cd->first_track
523 || a > cd->last_track
525 || z > cd->last_track)
528 bcopy(cd->toc[a].start_msf, &msf.start_m, 3);
529 hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m);
531 return scd_play(unit, &msf);
534 /* The start/end msf is expected to be in bin format */
536 scd_playmsf(int unit, struct ioc_play_msf *msfin)
538 struct ioc_play_msf msf;
540 msf.start_m = bin2bcd(msfin->start_m);
541 msf.start_s = bin2bcd(msfin->start_s);
542 msf.start_f = bin2bcd(msfin->start_f);
543 msf.end_m = bin2bcd(msfin->end_m);
544 msf.end_s = bin2bcd(msfin->end_s);
545 msf.end_f = bin2bcd(msfin->end_f);
547 return scd_play(unit, &msf);
550 /* The start/end msf is expected to be in bcd format */
552 scd_play(int unit, struct ioc_play_msf *msf)
554 struct scd_data *cd = scd_data + unit;
557 XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit,
558 msf->start_m, msf->start_s, msf->start_f,
559 msf->end_m, msf->end_s, msf->end_f));
561 for (i = 0; i < 2; i++) {
562 rc = send_cmd(unit, CMD_PLAY_AUDIO, 7,
564 msf->start_m, msf->start_s, msf->start_f,
565 msf->end_m, msf->end_s, msf->end_f);
566 if (rc == -ERR_NOT_SPINNING) {
567 cd->flags &= ~SCDSPINNING;
568 if (spin_up(unit) != 0)
571 print_error(unit, rc);
577 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
578 bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf));
585 struct scd_data *cd = scd_data + unit;
587 (void)send_cmd(unit, CMD_STOP_AUDIO, 0);
588 cd->audio_status = CD_AS_PLAY_COMPLETED;
595 struct scd_data *cd = scd_data + unit;
596 struct sony_subchannel_position_data subpos;
598 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS)
601 if (read_subcode(unit, &subpos) != 0)
604 if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0)
607 cd->last_play.start_m = subpos.abs_msf[0];
608 cd->last_play.start_s = subpos.abs_msf[1];
609 cd->last_play.start_f = subpos.abs_msf[2];
610 cd->audio_status = CD_AS_PLAY_PAUSED;
612 XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit,
613 cd->last_play.start_m,
614 cd->last_play.start_s,
615 cd->last_play.start_f));
623 if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED)
625 return scd_play(unit, &scd_data[unit].last_play);
631 struct scd_data *cd = scd_data + unit;
633 cd->audio_status = CD_AS_AUDIO_INVALID;
634 cd->flags &= ~(SCDSPINNING|SCDTOC);
636 if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 ||
637 send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 ||
638 send_cmd(unit, CMD_EJECT, 0) != 0)
646 scd_subchan(int unit, struct ioc_read_subchannel *sc)
648 struct scd_data *cd = scd_data + unit;
649 struct sony_subchannel_position_data q;
650 struct cd_sub_channel_info data;
652 XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit,
656 if (sc->address_format != CD_MSF_FORMAT)
659 if (sc->data_format != CD_CURRENT_POSITION)
662 if (read_subcode(unit, &q) != 0)
665 data.header.audio_status = cd->audio_status;
666 data.what.position.data_format = CD_MSF_FORMAT;
667 data.what.position.track_number = bcd2bin(q.track_number);
668 data.what.position.reladdr.msf.unused = 0;
669 data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]);
670 data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]);
671 data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]);
672 data.what.position.absaddr.msf.unused = 0;
673 data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]);
674 data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]);
675 data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]);
677 if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0)
683 write_control(unsigned port, unsigned data)
685 outb(port + OREG_CONTROL, data);
689 scd_probe(struct isa_device *dev)
691 struct sony_drive_configuration drive_config;
692 int unit = dev->id_unit;
694 static char namebuf[8+16+8+3];
700 cdevsw_add(&scd_cdevsw);
702 scd_data[unit].flags = SCDPROBING;
703 scd_data[unit].iobase = dev->id_iobase;
705 bzero(&drive_config, sizeof(drive_config));
709 write_control(dev->id_iobase, CBIT_RESET_DRIVE);
714 /* Only the ATTENTION bit may be set */
715 if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) {
716 XDEBUG(1, ("scd: too many bits set. probe failed.\n"));
719 rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0);
720 if (rc != sizeof(drive_config)) {
721 /* Sometimes if the drive is playing audio I get */
722 /* the bad result 82. Fix by repeating the reset */
723 if (rc > 0 && loop_count++ == 0)
727 if (get_result(unit, rc, (u_char *)&drive_config) != 0)
730 bcopy(drive_config.vendor, namebuf, 8);
732 while (*(s-1) == ' ') /* Strip trailing spaces */
735 bcopy(drive_config.product, s, 16);
737 while (*(s-1) == ' ')
740 bcopy(drive_config.revision, s, 8);
742 while (*(s-1) == ' ')
746 scd_data[unit].name = namebuf;
748 if (drive_config.config & 0x10)
749 scd_data[unit].double_speed = 1;
751 scd_data[unit].double_speed = 0;
757 read_subcode(int unit, struct sony_subchannel_position_data *sc)
761 rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0);
762 if (rc < 0 || rc < sizeof(*sc))
764 if (get_result(unit, rc, (u_char *)sc) != 0)
769 /* State machine copied from mcd.c */
771 /* This (and the code in mcd.c) will not work with more than one drive */
772 /* because there is only one mbxsave below. Should fix that some day. */
773 /* (mbxsave & state should probably be included in the scd_data struct and */
774 /* the unit number used as first argument to scd_doread().) /Micke */
776 /* state machine to process read requests
777 * initialize with SCD_S_BEGIN: reset state machine
778 * SCD_S_WAITSTAT: wait for ready (!busy)
779 * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning)
780 * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command.
781 * SCD_S_WAITREAD: wait for data ready, read data
782 * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read.
785 static struct scd_mbx *mbxsave;
788 scd_timeout(void *arg)
790 scd_doread((int)arg, mbxsave);
794 scd_doread(int state, struct scd_mbx *mbxin)
796 struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin;
797 int unit = mbx->unit;
798 int port = mbx->port;
799 struct buf *bp = mbx->bp;
800 struct scd_data *cd = scd_data + unit;
804 static char sdata[3]; /* Must be preserved between calls to this function */
809 mbx = mbxsave = mbxin;
813 mbx->count = RDELAY_WAIT;
815 process_attention(unit);
819 untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle);
820 if (mbx->count-- <= 0) {
821 printf("scd%d: timeout. drive busy.\n",unit);
827 tohandle = timeout(scd_timeout,
828 (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */
832 process_attention(unit);
834 /* reject, if audio active */
835 if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) {
836 printf("scd%d: audio is active\n",unit);
840 mbx->sz = cd->blksize;
842 /* for first block */
843 mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz;
847 if (!(cd->flags & SCDVALID))
850 blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE))
851 + mbx->p_offset + mbx->skip/mbx->sz;
853 XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum));
855 /* build parameter block */
856 hsg2msf(blknum, sdata);
858 write_control(port, CBIT_RESULT_READY_CLEAR);
859 write_control(port, CBIT_RPARAM_CLEAR);
860 write_control(port, CBIT_DATA_READY_CLEAR);
862 if (FSTATUS_BIT(port, FBIT_WPARAM_READY))
866 tohandle = timeout(scd_timeout,
867 (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */
871 untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle);
872 if (mbx->count-- <= 0) {
873 printf("scd%d: timeout waiting for drive to spin up.\n", unit);
876 if (!STATUS_BIT(port, SBIT_RESULT_READY)) {
877 tohandle = timeout(scd_timeout,
878 (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */
881 write_control(port, CBIT_RESULT_READY_CLEAR);
882 switch ((i = inb(port+IREG_RESULT)) & 0xf0) {
884 i = inb(port+IREG_RESULT);
885 print_error(unit, i);
888 (void)inb(port+IREG_RESULT);
889 cd->flags |= SCDSPINNING;
892 XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit));
894 state = SCD_S_BEGIN1;
898 untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle);
899 if (mbx->count-- <= 0) {
900 printf("scd%d: timeout. write param not ready.\n",unit);
903 if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) {
904 tohandle = timeout(scd_timeout,
905 (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */
908 XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100));
911 /* The reason this test isn't done 'till now is to make sure */
912 /* that it is ok to send the SPIN_UP cmd below. */
913 if (!(cd->flags & SCDSPINNING)) {
914 XDEBUG(1, ("scd%d: spinning up drive ...\n", unit));
915 outb(port+OREG_COMMAND, CMD_SPIN_UP);
917 tohandle = timeout(scd_timeout,
918 (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */
922 reg = port + OREG_WPARAMS;
923 /* send the read command */
931 outb(port+OREG_COMMAND, CMD_READ);
934 mbx->count = RDELAY_WAITREAD;
935 for (i = 0; i < 50; i++) {
936 if (STATUS_BIT(port, SBIT_DATA_READY))
941 tohandle = timeout(scd_timeout,
942 (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */
946 untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle);
947 if (mbx->count-- <= 0) {
948 if (STATUS_BIT(port, SBIT_RESULT_READY))
950 printf("scd%d: timeout while reading data\n",unit);
953 if (!STATUS_BIT(port, SBIT_DATA_READY)) {
954 process_attention(unit);
955 if (!(cd->flags & SCDVALID))
957 tohandle = timeout(scd_timeout,
958 (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */
961 XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD));
965 addr = bp->b_data + mbx->skip;
966 write_control(port, CBIT_DATA_READY_CLEAR);
967 insb(port+IREG_DATA, addr, mbx->sz);
970 for (i = 0; i < 20; i++) {
971 if (STATUS_BIT(port, SBIT_RESULT_READY))
977 case SCD_S_WAITPARAM:
978 untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle);
979 if (mbx->count-- <= 0) {
980 printf("scd%d: timeout waiting for params\n",unit);
985 if (!STATUS_BIT(port, SBIT_RESULT_READY)) {
986 tohandle = timeout(scd_timeout,
987 (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */
991 if (mbx->count < 100 && scd_debuglevel > 0)
992 printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100);
996 write_control(port, CBIT_RESULT_READY_CLEAR);
997 switch ((i = inb(port+IREG_RESULT)) & 0xf0) {
1000 case ERR_FATAL_READ_ERROR1:
1001 case ERR_FATAL_READ_ERROR2:
1002 printf("scd%d: unrecoverable read error 0x%x\n", unit, i);
1007 i = inb(port+IREG_RESULT);
1009 case ERR_NOT_SPINNING:
1010 XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit));
1011 if (mbx->retry-- > 0) {
1012 state = SCD_S_BEGIN1;
1013 cd->flags &= ~SCDSPINNING;
1018 print_error(unit, i);
1022 i = inb(port+IREG_RESULT);
1026 if (--mbx->nblk > 0) {
1027 mbx->skip += mbx->sz;
1035 cd->flags &= ~SCDMBXBSY;
1036 scd_start(mbx->unit);
1041 if (mbx->retry-- > 0) {
1042 printf("scd%d: retrying ...\n",unit);
1043 state = SCD_S_BEGIN1;
1047 /* invalidate the buffer */
1049 bp->b_flags |= B_ERROR;
1050 bp->b_resid = bp->b_bcount;
1053 cd->flags &= ~SCDMBXBSY;
1054 scd_start(mbx->unit);
1058 printf("scd%d: media changed\n", unit);
1063 hsg2msf(int hsg, bcd_t *msf)
1066 M_msf(msf) = bin2bcd(hsg / 4500);
1068 S_msf(msf) = bin2bcd(hsg / 75);
1069 F_msf(msf) = bin2bcd(hsg % 75);
1075 return (bcd2bin(M_msf(msf)) * 60 +
1076 bcd2bin(S_msf(msf))) * 75 +
1077 bcd2bin(F_msf(msf)) - 150;
1081 process_attention(unsigned unit)
1083 unsigned port = scd_data[unit].iobase;
1087 while (IS_ATTENTION(port) && count++ < 30) {
1088 write_control(port, CBIT_ATTENTION_CLEAR);
1089 code = inb(port+IREG_RESULT);
1092 if (scd_debuglevel > 0) {
1094 printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code);
1096 printf(",0x%x", code);
1101 case ATTEN_SPIN_DOWN:
1102 scd_data[unit].flags &= ~SCDSPINNING;
1105 case ATTEN_SPIN_UP_DONE:
1106 scd_data[unit].flags |= SCDSPINNING;
1109 case ATTEN_AUDIO_DONE:
1110 scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED;
1113 case ATTEN_DRIVE_LOADED:
1114 scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID);
1115 scd_data[unit].audio_status = CD_AS_AUDIO_INVALID;
1118 case ATTEN_EJECT_PUSHED:
1119 scd_data[unit].flags &= ~SCDVALID;
1125 if (scd_debuglevel > 0 && count > 0)
1130 /* Returns 0 OR sony error code */
1132 spin_up(unsigned unit)
1134 unsigned char res_reg[12];
1135 unsigned int res_size;
1140 rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
1142 XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc));
1146 if (!(scd_data[unit].flags & SCDTOC)) {
1147 rc = send_cmd(unit, CMD_READ_TOC, 0);
1148 if (rc == ERR_NOT_SPINNING) {
1149 if (loop_count++ < 3)
1157 scd_data[unit].flags |= SCDSPINNING;
1162 static struct sony_tracklist *
1163 get_tl(struct sony_toc *toc, int size)
1165 struct sony_tracklist *tl = &toc->tracks[0];
1167 if (tl->track != 0xb0)
1170 if (tl->track != 0xb1)
1173 if (tl->track != 0xb2)
1176 if (tl->track != 0xb3)
1179 if (tl->track != 0xb4)
1182 if (tl->track != 0xc0)
1189 read_toc(unsigned unit)
1191 struct scd_data *cd;
1192 unsigned part = 0; /* For now ... */
1193 struct sony_toc toc;
1194 struct sony_tracklist *tl;
1198 cd = scd_data + unit;
1200 rc = send_cmd(unit, CMD_GET_TOC, 1, part+1);
1203 if (rc > sizeof(toc)) {
1204 printf("scd%d: program error: toc too large (%d)\n", unit, rc);
1207 if (get_result(unit, rc, (u_char *)&toc) != 0)
1210 XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc)));
1212 tl = get_tl(&toc, rc);
1213 first = msf2hsg(tl->start_msf);
1214 last = msf2hsg(toc.lead_out_start_msf);
1215 cd->blksize = SCDBLKSIZE;
1216 cd->disksize = last*cd->blksize/DEV_BSIZE;
1218 XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit,
1221 cd->first_track = bcd2bin(toc.first_track);
1222 cd->last_track = bcd2bin(toc.last_track);
1223 if (cd->last_track > (MAX_TRACKS-2))
1224 cd->last_track = MAX_TRACKS-2;
1225 for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) {
1226 cd->toc[i].adr = tl[j].adr;
1227 cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */
1228 bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3);
1230 if (scd_debuglevel > 0) {
1232 printf("\nscd%d: tracks ", unit);
1233 printf("[%03d: %2d %2d %2d] ", i,
1234 bcd2bin(cd->toc[i].start_msf[0]),
1235 bcd2bin(cd->toc[i].start_msf[1]),
1236 bcd2bin(cd->toc[i].start_msf[2]));
1240 bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3);
1242 if (scd_debuglevel > 0) {
1243 i = cd->last_track+1;
1244 printf("[END: %2d %2d %2d]\n",
1245 bcd2bin(cd->toc[i].start_msf[0]),
1246 bcd2bin(cd->toc[i].start_msf[1]),
1247 bcd2bin(cd->toc[i].start_msf[2]));
1251 bzero(&cd->dlabel,sizeof(struct disklabel));
1252 /* filled with spaces first */
1253 strncpy(cd->dlabel.d_typename," ",
1254 sizeof(cd->dlabel.d_typename));
1255 strncpy(cd->dlabel.d_typename, cd->name,
1256 min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
1257 strncpy(cd->dlabel.d_packname,"unknown ",
1258 sizeof(cd->dlabel.d_packname));
1259 cd->dlabel.d_secsize = cd->blksize;
1260 cd->dlabel.d_nsectors = 100;
1261 cd->dlabel.d_ntracks = 1;
1262 cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
1263 cd->dlabel.d_secpercyl = 100;
1264 cd->dlabel.d_secperunit = cd->disksize;
1265 cd->dlabel.d_rpm = 300;
1266 cd->dlabel.d_interleave = 1;
1267 cd->dlabel.d_flags = D_REMOVABLE;
1268 cd->dlabel.d_npartitions= 1;
1269 cd->dlabel.d_partitions[0].p_offset = 0;
1270 cd->dlabel.d_partitions[0].p_size = cd->disksize;
1271 cd->dlabel.d_partitions[0].p_fstype = 9;
1272 cd->dlabel.d_magic = DISKMAGIC;
1273 cd->dlabel.d_magic2 = DISKMAGIC;
1274 cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
1276 cd->flags |= SCDTOC;
1282 init_drive(unsigned unit)
1286 rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2,
1287 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0));
1289 printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc);
1292 /* Returns 0 or errno */
1294 get_result(u_int unit, int result_len, u_char *result)
1296 unsigned int port = scd_data[unit].iobase;
1297 unsigned int res_reg = port + IREG_RESULT;
1298 int loop_index = 2; /* send_cmd() reads two bytes ... */
1300 XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len));
1302 while (result_len-- > 0) {
1303 if (loop_index++ >= 10) {
1305 if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0))
1307 write_control(port, CBIT_RESULT_READY_CLEAR);
1310 *result++ = inb(res_reg);
1317 /* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */
1319 send_cmd(u_int unit, u_char cmd, u_int nargs, ...)
1322 u_int port = scd_data[unit].iobase;
1328 if (waitfor_status_bits(unit, 0, SBIT_BUSY)) {
1329 printf("scd%d: drive busy\n", unit);
1333 XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs));
1335 write_control(port, CBIT_RESULT_READY_CLEAR);
1336 write_control(port, CBIT_RPARAM_CLEAR);
1338 for (i = 0; i < 100; i++)
1339 if (FSTATUS_BIT(port, FBIT_WPARAM_READY))
1341 if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) {
1342 XDEBUG(1, ("\nscd%d: wparam timeout\n", unit));
1346 va_start(ap, nargs);
1347 reg = port + OREG_WPARAMS;
1348 for (i = 0; i < nargs; i++) {
1349 c = (u_char)va_arg(ap, int);
1351 XDEBUG(1, (",{0x%x}", c));
1356 outb(port+OREG_COMMAND, cmd);
1358 rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY);
1362 reg = port + IREG_RESULT;
1363 write_control(port, CBIT_RESULT_READY_CLEAR);
1364 switch ((rc = inb(reg)) & 0xf0) {
1369 XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc));
1374 XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc));
1380 print_error(int unit, int errcode)
1383 case -ERR_CD_NOT_LOADED:
1384 printf("scd%d: door is open\n", unit);
1386 case -ERR_NO_CD_INSIDE:
1387 printf("scd%d: no cd inside\n", unit);
1390 if (errcode == -0x100 || errcode > 0)
1391 printf("scd%d: device timeout\n", unit);
1393 printf("scd%d: unexpected error 0x%x\n", unit, -errcode);
1398 /* Returns 0 or errno value */
1400 waitfor_status_bits(int unit, int bits_set, int bits_clear)
1402 u_int port = scd_data[unit].iobase;
1403 u_int flags = scd_data[unit].flags;
1404 u_int reg = port + IREG_STATUS;
1408 if (flags & SCDPROBING) {
1410 while (max_loop++ < 1000) {
1414 if (c & SBIT_ATTENTION) {
1415 process_attention(unit);
1418 if ((c & bits_set) == bits_set &&
1419 (c & bits_clear) == 0)
1427 while (max_loop-- > 0) {
1429 if (c & SBIT_ATTENTION) {
1430 process_attention(unit);
1433 if ((c & bits_set) == bits_set &&
1434 (c & bits_clear) == 0)
1438 tsleep(waitfor_status_bits, 0, "waitfor", hz/10);
1441 if ((c & bits_set) == bits_set &&
1442 (c & bits_clear) == 0)
1447 if (scd_debuglevel > 0)
1448 printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear);
1451 printf("scd%d: timeout.\n", unit);
1455 /* these two routines for xcdplayer - "borrowed" from mcd.c */
1457 scd_toc_header (int unit, struct ioc_toc_header* th)
1459 struct scd_data *cd = scd_data + unit;
1462 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1463 print_error(unit, rc);
1467 th->starting_track = cd->first_track;
1468 th->ending_track = cd->last_track;
1469 th->len = 0; /* not used */
1475 scd_toc_entrys (int unit, struct ioc_read_toc_entry *te)
1477 struct scd_data *cd = scd_data + unit;
1478 struct cd_toc_entry toc_entry;
1479 int rc, i, len = te->data_len;
1481 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1482 print_error(unit, rc);
1486 /* find the toc to copy*/
1487 i = te->starting_track;
1488 if (i == SCD_LASTPLUS1)
1489 i = cd->last_track + 1;
1491 /* verify starting track */
1492 if (i < cd->first_track || i > cd->last_track+1)
1495 /* valid length ? */
1496 if (len < sizeof(struct cd_toc_entry)
1497 || (len % sizeof(struct cd_toc_entry)) != 0)
1500 /* copy the toc data */
1501 toc_entry.control = cd->toc[i].ctl;
1502 toc_entry.addr_type = te->address_format;
1503 toc_entry.track = i;
1504 if (te->address_format == CD_MSF_FORMAT) {
1505 toc_entry.addr.msf.unused = 0;
1506 toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]);
1507 toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]);
1508 toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]);
1511 /* copy the data back */
1512 if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0)
1520 scd_toc_entry (int unit, struct ioc_read_toc_single_entry *te)
1522 struct scd_data *cd = scd_data + unit;
1523 struct cd_toc_entry toc_entry;
1526 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1527 print_error(unit, rc);
1531 /* find the toc to copy*/
1533 if (i == SCD_LASTPLUS1)
1534 i = cd->last_track + 1;
1536 /* verify starting track */
1537 if (i < cd->first_track || i > cd->last_track+1)
1540 /* copy the toc data */
1541 toc_entry.control = cd->toc[i].ctl;
1542 toc_entry.addr_type = te->address_format;
1543 toc_entry.track = i;
1544 if (te->address_format == CD_MSF_FORMAT) {
1545 toc_entry.addr.msf.unused = 0;
1546 toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]);
1547 toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]);
1548 toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]);
1551 /* copy the data back */
1552 bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry));