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 1.3 2003/07/19 21:14:34 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>
60 #include <machine/clock.h>
61 #include <machine/stdarg.h>
63 #include <i386/isa/isa_device.h>
64 #include <i386/isa/scdreg.h>
67 #define scd_part(dev) ((minor(dev)) & 7)
68 #define scd_unit(dev) (((minor(dev)) & 0x38) >> 3)
69 #define scd_phys(dev) (((minor(dev)) & 0x40) >> 6)
73 #define SCDOPEN 0x0001 /* device opened */
74 #define SCDVALID 0x0002 /* parameters loaded */
75 #define SCDINIT 0x0004 /* device is init'd */
76 #define SCDPROBING 0x0020 /* probing */
77 #define SCDTOC 0x0100 /* already read toc */
78 #define SCDMBXBSY 0x0200 /* local mbx is busy */
79 #define SCDSPINNING 0x0400 /* drive is spun up */
82 #define SCD_S_BEGIN1 1
83 #define SCD_S_WAITSTAT 2
84 #define SCD_S_WAITFIFO 3
85 #define SCD_S_WAITSPIN 4
86 #define SCD_S_WAITREAD 5
87 #define SCD_S_WAITPARAM 6
89 #define RDELAY_WAIT 300
90 #define RDELAY_WAITREAD 300
92 #define SCDBLKSIZE 2048
95 static int scd_debuglevel = SCD_DEBUG;
96 # define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;}
98 # define XDEBUG(level, data)
113 static struct scd_data {
120 struct disklabel dlabel;
124 unsigned int ctl :4; /* xcdplayer needs this */
125 unsigned char start_msf[3];
129 struct ioc_play_msf last_play;
132 struct buf_queue_head head; /* head of buf queue */
137 static void hsg2msf(int hsg, bcd_t *msf);
138 static int msf2hsg(bcd_t *msf);
140 static void process_attention(unsigned unit);
141 static __inline void write_control(unsigned port, unsigned data);
142 static int waitfor_status_bits(int unit, int bits_set, int bits_clear);
143 static int send_cmd(u_int unit, u_char cmd, u_int nargs, ...);
144 static void init_drive(unsigned unit);
145 static int spin_up(unsigned unit);
146 static int read_toc(unsigned unit);
147 static int get_result(u_int unit, int result_len, u_char *result);
148 static void print_error(int unit, int errcode);
150 static void scd_start(int unit);
151 static timeout_t scd_timeout;
152 static void scd_doread(int state, struct scd_mbx *mbxin);
154 static int scd_eject(int unit);
155 static int scd_stop(int unit);
156 static int scd_pause(int unit);
157 static int scd_resume(int unit);
158 static int scd_playtracks(int unit, struct ioc_play_track *pt);
159 static int scd_playmsf(int unit, struct ioc_play_msf *msf);
160 static int scd_play(int unit, struct ioc_play_msf *msf);
161 static int scd_subchan(int unit, struct ioc_read_subchannel *sc);
162 static int read_subcode(int unit, struct sony_subchannel_position_data *sc);
165 static int scd_toc_header(int unit, struct ioc_toc_header *th);
166 static int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
167 static int scd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
168 #define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */
170 static int scd_probe(struct isa_device *dev);
171 static int scd_attach(struct isa_device *dev);
172 struct isa_driver scddriver = { scd_probe, scd_attach, "scd" };
174 /* For canceling our timeout */
175 static struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohanle);
177 static d_open_t scdopen;
178 static d_close_t scdclose;
179 static d_ioctl_t scdioctl;
180 static d_strategy_t scdstrategy;
182 #define CDEV_MAJOR 45
183 #define BDEV_MAJOR 16
184 static struct cdevsw scd_cdevsw = {
186 /* close */ scdclose,
189 /* ioctl */ scdioctl,
192 /* strategy */ scdstrategy,
194 /* maj */ CDEV_MAJOR,
198 /* bmaj */ BDEV_MAJOR
203 scd_attach(struct isa_device *dev)
205 int unit = dev->id_unit;
206 struct scd_data *cd = scd_data + unit;
208 cd->iobase = dev->id_iobase; /* Already set by probe, but ... */
210 /* name filled in probe */
211 printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name);
213 init_drive(dev->id_unit);
216 cd->audio_status = CD_AS_AUDIO_INVALID;
217 bufq_init(&cd->head);
219 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0),
220 UID_ROOT, GID_OPERATOR, 0640, "rscd%da", unit);
221 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
222 UID_ROOT, GID_OPERATOR, 0640, "rscd%dc", unit);
223 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0),
224 UID_ROOT, GID_OPERATOR, 0640, "scd%da", unit);
225 make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
226 UID_ROOT, GID_OPERATOR, 0640, "scd%dc", unit);
231 scdopen(dev_t dev, int flags, int fmt, struct proc *p)
237 unit = scd_unit(dev);
241 cd = scd_data + unit;
242 part = scd_part(dev);
243 phys = scd_phys(dev);
246 if (!(cd->flags & SCDINIT))
249 /* invalidated in the meantime? mark all open part's invalid */
253 XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS)));
255 if ((rc = spin_up(unit)) != 0) {
256 print_error(unit, rc);
259 if (!(cd->flags & SCDTOC)) {
262 while (loop_count-- > 0 && (rc = read_toc(unit)) != 0) {
263 if (rc == ERR_NOT_SPINNING) {
266 print_error(unit, rc);\
271 printf("scd%d: TOC read error 0x%x\n", unit, rc);
276 dev->si_bsize_phys = cd->blksize;
279 cd->flags |= SCDVALID;
285 scdclose(dev_t dev, int flags, int fmt, struct proc *p)
290 unit = scd_unit(dev);
294 cd = scd_data + unit;
295 part = scd_part(dev);
296 phys = scd_phys(dev);
298 if (!(cd->flags & SCDINIT) || !cd->openflag)
301 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) {
302 (void)send_cmd(unit, CMD_SPIN_DOWN, 0);
303 cd->flags &= ~SCDSPINNING;
314 scdstrategy(struct buf *bp)
318 int unit = scd_unit(bp->b_dev);
320 cd = scd_data + unit;
322 XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n",
323 unit, (long)bp->b_blkno, bp->b_bcount));
325 if (unit >= NSCD || bp->b_blkno < 0 || (bp->b_bcount % SCDBLKSIZE)) {
326 printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n",
327 unit, (long)bp->b_blkno, bp->b_bcount);
328 bp->b_error = EINVAL;
329 bp->b_flags |= B_ERROR;
333 /* if device invalidated (e.g. media change, door open), error */
334 if (!(cd->flags & SCDVALID)) {
335 printf("scd%d: media changed\n", unit);
341 if (!(bp->b_flags & B_READ)) {
346 /* no data to read */
347 if (bp->b_bcount == 0)
350 if (!(cd->flags & SCDTOC)) {
354 /* adjust transfer if necessary */
355 if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0)
358 bp->b_pblkno = bp->b_blkno;
363 bufqdisksort(&cd->head, bp);
366 /* now check whether we can perform processing */
371 bp->b_flags |= B_ERROR;
373 bp->b_resid = bp->b_bcount;
381 struct scd_data *cd = scd_data + unit;
386 if (cd->flags & SCDMBXBSY) {
391 bp = bufq_first(&cd->head);
393 /* block found to process, dequeue */
394 bufq_remove(&cd->head, bp);
395 cd->flags |= SCDMBXBSY;
403 p = cd->dlabel.d_partitions + scd_part(bp->b_dev);
406 cd->mbx.port = cd->iobase;
409 cd->mbx.p_offset = p->p_offset;
412 scd_doread(SCD_S_BEGIN,&(cd->mbx));
417 scdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
422 unit = scd_unit(dev);
423 part = scd_part(dev);
424 cd = scd_data + unit;
426 XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd));
428 if (!(cd->flags & SCDVALID))
433 *(struct disklabel *)addr = cd->dlabel;
436 ((struct partinfo *)addr)->disklab = &cd->dlabel;
437 ((struct partinfo *)addr)->part =
438 &cd->dlabel.d_partitions[0];
440 case CDIOCPLAYTRACKS:
441 return scd_playtracks(unit, (struct ioc_play_track *) addr);
442 case CDIOCPLAYBLOCKS:
445 return scd_playmsf(unit, (struct ioc_play_msf *) addr);
446 case CDIOCREADSUBCHANNEL:
447 return scd_subchan(unit, (struct ioc_read_subchannel *) addr);
448 case CDIOREADTOCHEADER:
449 return scd_toc_header (unit, (struct ioc_toc_header *) addr);
450 case CDIOREADTOCENTRYS:
451 return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr);
452 case CDIOREADTOCENTRY:
453 return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr);
464 return scd_resume(unit);
466 return scd_pause(unit);
470 return scd_stop(unit);
472 return scd_eject(unit);
487 printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd);
492 /***************************************************************
493 * lower level of driver starts here
494 **************************************************************/
497 scd_playtracks(int unit, struct ioc_play_track *pt)
499 struct scd_data *cd = scd_data + unit;
500 struct ioc_play_msf msf;
501 int a = pt->start_track;
502 int z = pt->end_track;
505 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
506 if (rc == -ERR_NOT_SPINNING) {
507 if (spin_up(unit) != 0)
512 print_error(unit, rc);
517 XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit,
518 a, pt->start_index, z, pt->end_index));
520 if ( a < cd->first_track
521 || a > cd->last_track
523 || z > cd->last_track)
526 bcopy(cd->toc[a].start_msf, &msf.start_m, 3);
527 hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m);
529 return scd_play(unit, &msf);
532 /* The start/end msf is expected to be in bin format */
534 scd_playmsf(int unit, struct ioc_play_msf *msfin)
536 struct ioc_play_msf msf;
538 msf.start_m = bin2bcd(msfin->start_m);
539 msf.start_s = bin2bcd(msfin->start_s);
540 msf.start_f = bin2bcd(msfin->start_f);
541 msf.end_m = bin2bcd(msfin->end_m);
542 msf.end_s = bin2bcd(msfin->end_s);
543 msf.end_f = bin2bcd(msfin->end_f);
545 return scd_play(unit, &msf);
548 /* The start/end msf is expected to be in bcd format */
550 scd_play(int unit, struct ioc_play_msf *msf)
552 struct scd_data *cd = scd_data + unit;
555 XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit,
556 msf->start_m, msf->start_s, msf->start_f,
557 msf->end_m, msf->end_s, msf->end_f));
559 for (i = 0; i < 2; i++) {
560 rc = send_cmd(unit, CMD_PLAY_AUDIO, 7,
562 msf->start_m, msf->start_s, msf->start_f,
563 msf->end_m, msf->end_s, msf->end_f);
564 if (rc == -ERR_NOT_SPINNING) {
565 cd->flags &= ~SCDSPINNING;
566 if (spin_up(unit) != 0)
569 print_error(unit, rc);
575 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
576 bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf));
583 struct scd_data *cd = scd_data + unit;
585 (void)send_cmd(unit, CMD_STOP_AUDIO, 0);
586 cd->audio_status = CD_AS_PLAY_COMPLETED;
593 struct scd_data *cd = scd_data + unit;
594 struct sony_subchannel_position_data subpos;
596 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS)
599 if (read_subcode(unit, &subpos) != 0)
602 if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0)
605 cd->last_play.start_m = subpos.abs_msf[0];
606 cd->last_play.start_s = subpos.abs_msf[1];
607 cd->last_play.start_f = subpos.abs_msf[2];
608 cd->audio_status = CD_AS_PLAY_PAUSED;
610 XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit,
611 cd->last_play.start_m,
612 cd->last_play.start_s,
613 cd->last_play.start_f));
621 if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED)
623 return scd_play(unit, &scd_data[unit].last_play);
629 struct scd_data *cd = scd_data + unit;
631 cd->audio_status = CD_AS_AUDIO_INVALID;
632 cd->flags &= ~(SCDSPINNING|SCDTOC);
634 if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 ||
635 send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 ||
636 send_cmd(unit, CMD_EJECT, 0) != 0)
644 scd_subchan(int unit, struct ioc_read_subchannel *sc)
646 struct scd_data *cd = scd_data + unit;
647 struct sony_subchannel_position_data q;
648 struct cd_sub_channel_info data;
650 XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit,
654 if (sc->address_format != CD_MSF_FORMAT)
657 if (sc->data_format != CD_CURRENT_POSITION)
660 if (read_subcode(unit, &q) != 0)
663 data.header.audio_status = cd->audio_status;
664 data.what.position.data_format = CD_MSF_FORMAT;
665 data.what.position.track_number = bcd2bin(q.track_number);
666 data.what.position.reladdr.msf.unused = 0;
667 data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]);
668 data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]);
669 data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]);
670 data.what.position.absaddr.msf.unused = 0;
671 data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]);
672 data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]);
673 data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]);
675 if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0)
681 write_control(unsigned port, unsigned data)
683 outb(port + OREG_CONTROL, data);
687 scd_probe(struct isa_device *dev)
689 struct sony_drive_configuration drive_config;
690 int unit = dev->id_unit;
692 static char namebuf[8+16+8+3];
698 cdevsw_add(&scd_cdevsw);
700 scd_data[unit].flags = SCDPROBING;
701 scd_data[unit].iobase = dev->id_iobase;
703 bzero(&drive_config, sizeof(drive_config));
707 write_control(dev->id_iobase, CBIT_RESET_DRIVE);
712 /* Only the ATTENTION bit may be set */
713 if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) {
714 XDEBUG(1, ("scd: too many bits set. probe failed.\n"));
717 rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0);
718 if (rc != sizeof(drive_config)) {
719 /* Sometimes if the drive is playing audio I get */
720 /* the bad result 82. Fix by repeating the reset */
721 if (rc > 0 && loop_count++ == 0)
725 if (get_result(unit, rc, (u_char *)&drive_config) != 0)
728 bcopy(drive_config.vendor, namebuf, 8);
730 while (*(s-1) == ' ') /* Strip trailing spaces */
733 bcopy(drive_config.product, s, 16);
735 while (*(s-1) == ' ')
738 bcopy(drive_config.revision, s, 8);
740 while (*(s-1) == ' ')
744 scd_data[unit].name = namebuf;
746 if (drive_config.config & 0x10)
747 scd_data[unit].double_speed = 1;
749 scd_data[unit].double_speed = 0;
755 read_subcode(int unit, struct sony_subchannel_position_data *sc)
759 rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0);
760 if (rc < 0 || rc < sizeof(*sc))
762 if (get_result(unit, rc, (u_char *)sc) != 0)
767 /* State machine copied from mcd.c */
769 /* This (and the code in mcd.c) will not work with more than one drive */
770 /* because there is only one mbxsave below. Should fix that some day. */
771 /* (mbxsave & state should probably be included in the scd_data struct and */
772 /* the unit number used as first argument to scd_doread().) /Micke */
774 /* state machine to process read requests
775 * initialize with SCD_S_BEGIN: reset state machine
776 * SCD_S_WAITSTAT: wait for ready (!busy)
777 * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning)
778 * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command.
779 * SCD_S_WAITREAD: wait for data ready, read data
780 * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read.
783 static struct scd_mbx *mbxsave;
786 scd_timeout(void *arg)
788 scd_doread((int)arg, mbxsave);
792 scd_doread(int state, struct scd_mbx *mbxin)
794 struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin;
795 int unit = mbx->unit;
796 int port = mbx->port;
797 struct buf *bp = mbx->bp;
798 struct scd_data *cd = scd_data + unit;
802 static char sdata[3]; /* Must be preserved between calls to this function */
807 mbx = mbxsave = mbxin;
811 mbx->count = RDELAY_WAIT;
813 process_attention(unit);
817 untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle);
818 if (mbx->count-- <= 0) {
819 printf("scd%d: timeout. drive busy.\n",unit);
825 tohandle = timeout(scd_timeout,
826 (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */
830 process_attention(unit);
832 /* reject, if audio active */
833 if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) {
834 printf("scd%d: audio is active\n",unit);
838 mbx->sz = cd->blksize;
840 /* for first block */
841 mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz;
845 if (!(cd->flags & SCDVALID))
848 blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE))
849 + mbx->p_offset + mbx->skip/mbx->sz;
851 XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum));
853 /* build parameter block */
854 hsg2msf(blknum, sdata);
856 write_control(port, CBIT_RESULT_READY_CLEAR);
857 write_control(port, CBIT_RPARAM_CLEAR);
858 write_control(port, CBIT_DATA_READY_CLEAR);
860 if (FSTATUS_BIT(port, FBIT_WPARAM_READY))
864 tohandle = timeout(scd_timeout,
865 (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */
869 untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle);
870 if (mbx->count-- <= 0) {
871 printf("scd%d: timeout waiting for drive to spin up.\n", unit);
874 if (!STATUS_BIT(port, SBIT_RESULT_READY)) {
875 tohandle = timeout(scd_timeout,
876 (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */
879 write_control(port, CBIT_RESULT_READY_CLEAR);
880 switch ((i = inb(port+IREG_RESULT)) & 0xf0) {
882 i = inb(port+IREG_RESULT);
883 print_error(unit, i);
886 (void)inb(port+IREG_RESULT);
887 cd->flags |= SCDSPINNING;
890 XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit));
892 state = SCD_S_BEGIN1;
896 untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle);
897 if (mbx->count-- <= 0) {
898 printf("scd%d: timeout. write param not ready.\n",unit);
901 if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) {
902 tohandle = timeout(scd_timeout,
903 (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */
906 XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100));
909 /* The reason this test isn't done 'till now is to make sure */
910 /* that it is ok to send the SPIN_UP cmd below. */
911 if (!(cd->flags & SCDSPINNING)) {
912 XDEBUG(1, ("scd%d: spinning up drive ...\n", unit));
913 outb(port+OREG_COMMAND, CMD_SPIN_UP);
915 tohandle = timeout(scd_timeout,
916 (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */
920 reg = port + OREG_WPARAMS;
921 /* send the read command */
929 outb(port+OREG_COMMAND, CMD_READ);
932 mbx->count = RDELAY_WAITREAD;
933 for (i = 0; i < 50; i++) {
934 if (STATUS_BIT(port, SBIT_DATA_READY))
939 tohandle = timeout(scd_timeout,
940 (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */
944 untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle);
945 if (mbx->count-- <= 0) {
946 if (STATUS_BIT(port, SBIT_RESULT_READY))
948 printf("scd%d: timeout while reading data\n",unit);
951 if (!STATUS_BIT(port, SBIT_DATA_READY)) {
952 process_attention(unit);
953 if (!(cd->flags & SCDVALID))
955 tohandle = timeout(scd_timeout,
956 (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */
959 XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD));
963 addr = bp->b_data + mbx->skip;
964 write_control(port, CBIT_DATA_READY_CLEAR);
965 insb(port+IREG_DATA, addr, mbx->sz);
968 for (i = 0; i < 20; i++) {
969 if (STATUS_BIT(port, SBIT_RESULT_READY))
975 case SCD_S_WAITPARAM:
976 untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle);
977 if (mbx->count-- <= 0) {
978 printf("scd%d: timeout waiting for params\n",unit);
983 if (!STATUS_BIT(port, SBIT_RESULT_READY)) {
984 tohandle = timeout(scd_timeout,
985 (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */
989 if (mbx->count < 100 && scd_debuglevel > 0)
990 printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100);
994 write_control(port, CBIT_RESULT_READY_CLEAR);
995 switch ((i = inb(port+IREG_RESULT)) & 0xf0) {
998 case ERR_FATAL_READ_ERROR1:
999 case ERR_FATAL_READ_ERROR2:
1000 printf("scd%d: unrecoverable read error 0x%x\n", unit, i);
1005 i = inb(port+IREG_RESULT);
1007 case ERR_NOT_SPINNING:
1008 XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit));
1009 if (mbx->retry-- > 0) {
1010 state = SCD_S_BEGIN1;
1011 cd->flags &= ~SCDSPINNING;
1016 print_error(unit, i);
1020 i = inb(port+IREG_RESULT);
1024 if (--mbx->nblk > 0) {
1025 mbx->skip += mbx->sz;
1033 cd->flags &= ~SCDMBXBSY;
1034 scd_start(mbx->unit);
1039 if (mbx->retry-- > 0) {
1040 printf("scd%d: retrying ...\n",unit);
1041 state = SCD_S_BEGIN1;
1045 /* invalidate the buffer */
1047 bp->b_flags |= B_ERROR;
1048 bp->b_resid = bp->b_bcount;
1051 cd->flags &= ~SCDMBXBSY;
1052 scd_start(mbx->unit);
1056 printf("scd%d: media changed\n", unit);
1061 hsg2msf(int hsg, bcd_t *msf)
1064 M_msf(msf) = bin2bcd(hsg / 4500);
1066 S_msf(msf) = bin2bcd(hsg / 75);
1067 F_msf(msf) = bin2bcd(hsg % 75);
1073 return (bcd2bin(M_msf(msf)) * 60 +
1074 bcd2bin(S_msf(msf))) * 75 +
1075 bcd2bin(F_msf(msf)) - 150;
1079 process_attention(unsigned unit)
1081 unsigned port = scd_data[unit].iobase;
1085 while (IS_ATTENTION(port) && count++ < 30) {
1086 write_control(port, CBIT_ATTENTION_CLEAR);
1087 code = inb(port+IREG_RESULT);
1090 if (scd_debuglevel > 0) {
1092 printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code);
1094 printf(",0x%x", code);
1099 case ATTEN_SPIN_DOWN:
1100 scd_data[unit].flags &= ~SCDSPINNING;
1103 case ATTEN_SPIN_UP_DONE:
1104 scd_data[unit].flags |= SCDSPINNING;
1107 case ATTEN_AUDIO_DONE:
1108 scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED;
1111 case ATTEN_DRIVE_LOADED:
1112 scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID);
1113 scd_data[unit].audio_status = CD_AS_AUDIO_INVALID;
1116 case ATTEN_EJECT_PUSHED:
1117 scd_data[unit].flags &= ~SCDVALID;
1123 if (scd_debuglevel > 0 && count > 0)
1128 /* Returns 0 OR sony error code */
1130 spin_up(unsigned unit)
1132 unsigned char res_reg[12];
1133 unsigned int res_size;
1138 rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
1140 XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc));
1144 if (!(scd_data[unit].flags & SCDTOC)) {
1145 rc = send_cmd(unit, CMD_READ_TOC, 0);
1146 if (rc == ERR_NOT_SPINNING) {
1147 if (loop_count++ < 3)
1155 scd_data[unit].flags |= SCDSPINNING;
1160 static struct sony_tracklist *
1161 get_tl(struct sony_toc *toc, int size)
1163 struct sony_tracklist *tl = &toc->tracks[0];
1165 if (tl->track != 0xb0)
1168 if (tl->track != 0xb1)
1171 if (tl->track != 0xb2)
1174 if (tl->track != 0xb3)
1177 if (tl->track != 0xb4)
1180 if (tl->track != 0xc0)
1187 read_toc(unsigned unit)
1189 struct scd_data *cd;
1190 unsigned part = 0; /* For now ... */
1191 struct sony_toc toc;
1192 struct sony_tracklist *tl;
1196 cd = scd_data + unit;
1198 rc = send_cmd(unit, CMD_GET_TOC, 1, part+1);
1201 if (rc > sizeof(toc)) {
1202 printf("scd%d: program error: toc too large (%d)\n", unit, rc);
1205 if (get_result(unit, rc, (u_char *)&toc) != 0)
1208 XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc)));
1210 tl = get_tl(&toc, rc);
1211 first = msf2hsg(tl->start_msf);
1212 last = msf2hsg(toc.lead_out_start_msf);
1213 cd->blksize = SCDBLKSIZE;
1214 cd->disksize = last*cd->blksize/DEV_BSIZE;
1216 XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit,
1219 cd->first_track = bcd2bin(toc.first_track);
1220 cd->last_track = bcd2bin(toc.last_track);
1221 if (cd->last_track > (MAX_TRACKS-2))
1222 cd->last_track = MAX_TRACKS-2;
1223 for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) {
1224 cd->toc[i].adr = tl[j].adr;
1225 cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */
1226 bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3);
1228 if (scd_debuglevel > 0) {
1230 printf("\nscd%d: tracks ", unit);
1231 printf("[%03d: %2d %2d %2d] ", i,
1232 bcd2bin(cd->toc[i].start_msf[0]),
1233 bcd2bin(cd->toc[i].start_msf[1]),
1234 bcd2bin(cd->toc[i].start_msf[2]));
1238 bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3);
1240 if (scd_debuglevel > 0) {
1241 i = cd->last_track+1;
1242 printf("[END: %2d %2d %2d]\n",
1243 bcd2bin(cd->toc[i].start_msf[0]),
1244 bcd2bin(cd->toc[i].start_msf[1]),
1245 bcd2bin(cd->toc[i].start_msf[2]));
1249 bzero(&cd->dlabel,sizeof(struct disklabel));
1250 /* filled with spaces first */
1251 strncpy(cd->dlabel.d_typename," ",
1252 sizeof(cd->dlabel.d_typename));
1253 strncpy(cd->dlabel.d_typename, cd->name,
1254 min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
1255 strncpy(cd->dlabel.d_packname,"unknown ",
1256 sizeof(cd->dlabel.d_packname));
1257 cd->dlabel.d_secsize = cd->blksize;
1258 cd->dlabel.d_nsectors = 100;
1259 cd->dlabel.d_ntracks = 1;
1260 cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
1261 cd->dlabel.d_secpercyl = 100;
1262 cd->dlabel.d_secperunit = cd->disksize;
1263 cd->dlabel.d_rpm = 300;
1264 cd->dlabel.d_interleave = 1;
1265 cd->dlabel.d_flags = D_REMOVABLE;
1266 cd->dlabel.d_npartitions= 1;
1267 cd->dlabel.d_partitions[0].p_offset = 0;
1268 cd->dlabel.d_partitions[0].p_size = cd->disksize;
1269 cd->dlabel.d_partitions[0].p_fstype = 9;
1270 cd->dlabel.d_magic = DISKMAGIC;
1271 cd->dlabel.d_magic2 = DISKMAGIC;
1272 cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
1274 cd->flags |= SCDTOC;
1280 init_drive(unsigned unit)
1284 rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2,
1285 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0));
1287 printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc);
1290 /* Returns 0 or errno */
1292 get_result(u_int unit, int result_len, u_char *result)
1294 unsigned int port = scd_data[unit].iobase;
1295 unsigned int res_reg = port + IREG_RESULT;
1296 int loop_index = 2; /* send_cmd() reads two bytes ... */
1298 XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len));
1300 while (result_len-- > 0) {
1301 if (loop_index++ >= 10) {
1303 if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0))
1305 write_control(port, CBIT_RESULT_READY_CLEAR);
1308 *result++ = inb(res_reg);
1315 /* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */
1317 send_cmd(u_int unit, u_char cmd, u_int nargs, ...)
1320 u_int port = scd_data[unit].iobase;
1326 if (waitfor_status_bits(unit, 0, SBIT_BUSY)) {
1327 printf("scd%d: drive busy\n", unit);
1331 XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs));
1333 write_control(port, CBIT_RESULT_READY_CLEAR);
1334 write_control(port, CBIT_RPARAM_CLEAR);
1336 for (i = 0; i < 100; i++)
1337 if (FSTATUS_BIT(port, FBIT_WPARAM_READY))
1339 if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) {
1340 XDEBUG(1, ("\nscd%d: wparam timeout\n", unit));
1344 va_start(ap, nargs);
1345 reg = port + OREG_WPARAMS;
1346 for (i = 0; i < nargs; i++) {
1347 c = (u_char)va_arg(ap, int);
1349 XDEBUG(1, (",{0x%x}", c));
1354 outb(port+OREG_COMMAND, cmd);
1356 rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY);
1360 reg = port + IREG_RESULT;
1361 write_control(port, CBIT_RESULT_READY_CLEAR);
1362 switch ((rc = inb(reg)) & 0xf0) {
1367 XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc));
1372 XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc));
1378 print_error(int unit, int errcode)
1381 case -ERR_CD_NOT_LOADED:
1382 printf("scd%d: door is open\n", unit);
1384 case -ERR_NO_CD_INSIDE:
1385 printf("scd%d: no cd inside\n", unit);
1388 if (errcode == -0x100 || errcode > 0)
1389 printf("scd%d: device timeout\n", unit);
1391 printf("scd%d: unexpected error 0x%x\n", unit, -errcode);
1396 /* Returns 0 or errno value */
1398 waitfor_status_bits(int unit, int bits_set, int bits_clear)
1400 u_int port = scd_data[unit].iobase;
1401 u_int flags = scd_data[unit].flags;
1402 u_int reg = port + IREG_STATUS;
1406 if (flags & SCDPROBING) {
1408 while (max_loop++ < 1000) {
1412 if (c & SBIT_ATTENTION) {
1413 process_attention(unit);
1416 if ((c & bits_set) == bits_set &&
1417 (c & bits_clear) == 0)
1425 while (max_loop-- > 0) {
1427 if (c & SBIT_ATTENTION) {
1428 process_attention(unit);
1431 if ((c & bits_set) == bits_set &&
1432 (c & bits_clear) == 0)
1436 tsleep(waitfor_status_bits, 0, "waitfor", hz/10);
1439 if ((c & bits_set) == bits_set &&
1440 (c & bits_clear) == 0)
1445 if (scd_debuglevel > 0)
1446 printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear);
1449 printf("scd%d: timeout.\n", unit);
1453 /* these two routines for xcdplayer - "borrowed" from mcd.c */
1455 scd_toc_header (int unit, struct ioc_toc_header* th)
1457 struct scd_data *cd = scd_data + unit;
1460 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1461 print_error(unit, rc);
1465 th->starting_track = cd->first_track;
1466 th->ending_track = cd->last_track;
1467 th->len = 0; /* not used */
1473 scd_toc_entrys (int unit, struct ioc_read_toc_entry *te)
1475 struct scd_data *cd = scd_data + unit;
1476 struct cd_toc_entry toc_entry;
1477 int rc, i, len = te->data_len;
1479 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1480 print_error(unit, rc);
1484 /* find the toc to copy*/
1485 i = te->starting_track;
1486 if (i == SCD_LASTPLUS1)
1487 i = cd->last_track + 1;
1489 /* verify starting track */
1490 if (i < cd->first_track || i > cd->last_track+1)
1493 /* valid length ? */
1494 if (len < sizeof(struct cd_toc_entry)
1495 || (len % sizeof(struct cd_toc_entry)) != 0)
1498 /* copy the toc data */
1499 toc_entry.control = cd->toc[i].ctl;
1500 toc_entry.addr_type = te->address_format;
1501 toc_entry.track = i;
1502 if (te->address_format == CD_MSF_FORMAT) {
1503 toc_entry.addr.msf.unused = 0;
1504 toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]);
1505 toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]);
1506 toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]);
1509 /* copy the data back */
1510 if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0)
1518 scd_toc_entry (int unit, struct ioc_read_toc_single_entry *te)
1520 struct scd_data *cd = scd_data + unit;
1521 struct cd_toc_entry toc_entry;
1524 if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) {
1525 print_error(unit, rc);
1529 /* find the toc to copy*/
1531 if (i == SCD_LASTPLUS1)
1532 i = cd->last_track + 1;
1534 /* verify starting track */
1535 if (i < cd->first_track || i > cd->last_track+1)
1538 /* copy the toc data */
1539 toc_entry.control = cd->toc[i].ctl;
1540 toc_entry.addr_type = te->address_format;
1541 toc_entry.track = i;
1542 if (te->address_format == CD_MSF_FORMAT) {
1543 toc_entry.addr.msf.unused = 0;
1544 toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]);
1545 toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]);
1546 toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]);
1549 /* copy the data back */
1550 bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry));