scd.c revision 61011
17332Sjkh/*- 27332Sjkh * Copyright (c) 1995 Mikael Hybsch 37332Sjkh * All rights reserved. 47332Sjkh * 57332Sjkh * Portions of this file are copied from mcd.c 67332Sjkh * which has the following copyrights: 77332Sjkh * 87332Sjkh * Copyright 1993 by Holger Veit (data part) 97332Sjkh * Copyright 1993 by Brian Moore (audio part) 107332Sjkh * Changes Copyright 1993 by Gary Clark II 117332Sjkh * Changes Copyright (C) 1994 by Andrew A. Chernov 127332Sjkh * 137332Sjkh * Rewrote probe routine to work on newer Mitsumi drives. 147332Sjkh * Additional changes (C) 1994 by Jordan K. Hubbard 157332Sjkh * 167332Sjkh * All rights reserved. 177332Sjkh * 187332Sjkh * Redistribution and use in source and binary forms, with or without 197332Sjkh * modification, are permitted provided that the following conditions 207332Sjkh * are met: 217332Sjkh * 1. Redistributions of source code must retain the above copyright 227332Sjkh * notice, this list of conditions and the following disclaimer 237332Sjkh * in this position and unchanged. 247332Sjkh * 2. Redistributions in binary form must reproduce the above copyright 257332Sjkh * notice, this list of conditions and the following disclaimer in the 267332Sjkh * documentation and/or other materials provided with the distribution. 277332Sjkh * 3. The name of the author may not be used to endorse or promote products 287332Sjkh * derived from this software withough specific prior written permission 297332Sjkh * 307332Sjkh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 317332Sjkh * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 327332Sjkh * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 337332Sjkh * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 347332Sjkh * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 357332Sjkh * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 367332Sjkh * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 377332Sjkh * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 387332Sjkh * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 397332Sjkh * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 407332Sjkh * 417332Sjkh */ 427332Sjkh 437332Sjkh 4450477Speter/* $FreeBSD: head/sys/dev/scd/scd.c 61011 2000-05-28 13:40:48Z peter $ */ 457332Sjkh 467332Sjkh/* Please send any comments to micke@dynas.se */ 477332Sjkh 487332Sjkh#define SCD_DEBUG 0 497332Sjkh 507332Sjkh#include "scd.h" 517332Sjkh#include <sys/param.h> 527332Sjkh#include <sys/systm.h> 5361011Speter#include <sys/kernel.h> 547332Sjkh#include <sys/conf.h> 5560041Sphk#include <sys/bio.h> 567332Sjkh#include <sys/cdio.h> 577332Sjkh#include <sys/disklabel.h> 5861011Speter#include <sys/bus.h> 597369Sbde 607369Sbde#include <machine/clock.h> 617332Sjkh#include <machine/stdarg.h> 627332Sjkh 637332Sjkh#include <i386/isa/isa_device.h> 647369Sbde#include <i386/isa/scdreg.h> 657332Sjkh 6612502Sjulian 677332Sjkh#define scd_part(dev) ((minor(dev)) & 7) 687332Sjkh#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) 697332Sjkh#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) 707332Sjkh#define RAW_PART 2 717332Sjkh 727332Sjkh/* flags */ 737332Sjkh#define SCDOPEN 0x0001 /* device opened */ 747332Sjkh#define SCDVALID 0x0002 /* parameters loaded */ 757332Sjkh#define SCDINIT 0x0004 /* device is init'd */ 767332Sjkh#define SCDPROBING 0x0020 /* probing */ 777332Sjkh#define SCDTOC 0x0100 /* already read toc */ 787332Sjkh#define SCDMBXBSY 0x0200 /* local mbx is busy */ 797332Sjkh#define SCDSPINNING 0x0400 /* drive is spun up */ 807332Sjkh 817332Sjkh#define SCD_S_BEGIN 0 827332Sjkh#define SCD_S_BEGIN1 1 837332Sjkh#define SCD_S_WAITSTAT 2 847332Sjkh#define SCD_S_WAITFIFO 3 857332Sjkh#define SCD_S_WAITSPIN 4 867332Sjkh#define SCD_S_WAITREAD 5 877332Sjkh#define SCD_S_WAITPARAM 6 887332Sjkh 897332Sjkh#define RDELAY_WAIT 300 907332Sjkh#define RDELAY_WAITREAD 300 917332Sjkh 927332Sjkh#define SCDBLKSIZE 2048 937332Sjkh 947332Sjkh#ifdef SCD_DEBUG 9511872Sphk static int scd_debuglevel = SCD_DEBUG; 967332Sjkh# define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;} 977332Sjkh#else 987332Sjkh# define XDEBUG(level, data) 997332Sjkh#endif 1007332Sjkh 1017332Sjkhstruct scd_mbx { 1027332Sjkh short unit; 1037332Sjkh short port; 1047332Sjkh short retry; 1057332Sjkh short nblk; 1067332Sjkh int sz; 1077332Sjkh u_long skip; 10859249Sphk struct bio *bp; 1097332Sjkh int p_offset; 1107332Sjkh short count; 1117332Sjkh}; 1127332Sjkh 11311872Sphkstatic struct scd_data { 1147332Sjkh int iobase; 1157332Sjkh char double_speed; 1167332Sjkh char *name; 1177332Sjkh short flags; 1187332Sjkh int blksize; 1197332Sjkh u_long disksize; 1207332Sjkh struct disklabel dlabel; 1217332Sjkh int openflag; 1227332Sjkh struct { 12336767Sbde unsigned int adr :4; 12436767Sbde unsigned int ctl :4; /* xcdplayer needs this */ 1257332Sjkh unsigned char start_msf[3]; 1267332Sjkh } toc[MAX_TRACKS]; 1277332Sjkh short first_track; 1287332Sjkh short last_track; 1297332Sjkh struct ioc_play_msf last_play; 1308876Srgrimes 1317332Sjkh short audio_status; 13259249Sphk struct bio_queue_head head; /* head of bio queue */ 1337332Sjkh struct scd_mbx mbx; 1347332Sjkh} scd_data[NSCD]; 1357332Sjkh 1367332Sjkh/* prototypes */ 1377332Sjkhstatic void hsg2msf(int hsg, bcd_t *msf); 1387332Sjkhstatic int msf2hsg(bcd_t *msf); 1397332Sjkh 1407332Sjkhstatic void process_attention(unsigned unit); 14135210Sbdestatic __inline void write_control(unsigned port, unsigned data); 1427332Sjkhstatic int waitfor_status_bits(int unit, int bits_set, int bits_clear); 1437332Sjkhstatic int send_cmd(u_int unit, u_char cmd, u_int nargs, ...); 1447332Sjkhstatic void init_drive(unsigned unit); 1457332Sjkhstatic int spin_up(unsigned unit); 14646833Sphkstatic int read_toc(unsigned unit); 1477332Sjkhstatic int get_result(u_int unit, int result_len, u_char *result); 1487332Sjkhstatic void print_error(int unit, int errcode); 1497332Sjkh 1507332Sjkhstatic void scd_start(int unit); 15125056Sbdestatic timeout_t scd_timeout; 1527332Sjkhstatic void scd_doread(int state, struct scd_mbx *mbxin); 1537332Sjkh 1547332Sjkhstatic int scd_eject(int unit); 1557332Sjkhstatic int scd_stop(int unit); 1567332Sjkhstatic int scd_pause(int unit); 1577332Sjkhstatic int scd_resume(int unit); 1587332Sjkhstatic int scd_playtracks(int unit, struct ioc_play_track *pt); 1597332Sjkhstatic int scd_playmsf(int unit, struct ioc_play_msf *msf); 1607332Sjkhstatic int scd_play(int unit, struct ioc_play_msf *msf); 1617332Sjkhstatic int scd_subchan(int unit, struct ioc_read_subchannel *sc); 1627332Sjkhstatic int read_subcode(int unit, struct sony_subchannel_position_data *sc); 1637332Sjkh 1647332Sjkh/* for xcdplayer */ 1657332Sjkhstatic int scd_toc_header(int unit, struct ioc_toc_header *th); 1667332Sjkhstatic int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te); 16725460Sjoergstatic int scd_toc_entry(int unit, struct ioc_read_toc_single_entry *te); 1687332Sjkh#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 1697332Sjkh 17011872Sphkstatic int scd_probe(struct isa_device *dev); 17111872Sphkstatic int scd_attach(struct isa_device *dev); 17261011Speterstruct isa_driver scddriver = { 17361011Speter INTR_TYPE_BIO, 17461011Speter scd_probe, 17561011Speter scd_attach, 17661011Speter "scd" 17761011Speter}; 17861011SpeterCOMPAT_ISA_DRIVER(scd, scddriver); 1797332Sjkh 18029677Sgibbs/* For canceling our timeout */ 18129677Sgibbsstatic struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohanle); 18229677Sgibbs 18312675Sjulianstatic d_open_t scdopen; 18412675Sjulianstatic d_close_t scdclose; 18512675Sjulianstatic d_ioctl_t scdioctl; 18612675Sjulianstatic d_strategy_t scdstrategy; 18712675Sjulian 18812675Sjulian#define CDEV_MAJOR 45 18912675Sjulian#define BDEV_MAJOR 16 19037389Sjulianstatic struct cdevsw scd_cdevsw = { 19147625Sphk /* open */ scdopen, 19247625Sphk /* close */ scdclose, 19347625Sphk /* read */ physread, 19447625Sphk /* write */ nowrite, 19547625Sphk /* ioctl */ scdioctl, 19647625Sphk /* poll */ nopoll, 19747625Sphk /* mmap */ nommap, 19847625Sphk /* strategy */ scdstrategy, 19947625Sphk /* name */ "scd", 20047625Sphk /* maj */ CDEV_MAJOR, 20147625Sphk /* dump */ nodump, 20247625Sphk /* psize */ nopsize, 20347625Sphk /* flags */ D_DISK, 20447625Sphk /* bmaj */ BDEV_MAJOR 20547625Sphk}; 20612675Sjulian 20737389Sjulian 20842552Seivindstatic int 20942552Seivindscd_attach(struct isa_device *dev) 2107332Sjkh{ 21112675Sjulian int unit = dev->id_unit; 21212675Sjulian struct scd_data *cd = scd_data + unit; 2138876Srgrimes 2147332Sjkh cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ 2157332Sjkh 2167332Sjkh /* name filled in probe */ 2177332Sjkh printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); 2187332Sjkh 2197332Sjkh init_drive(dev->id_unit); 2207332Sjkh 2217332Sjkh cd->flags = SCDINIT; 2227332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 22359249Sphk bioq_init(&cd->head); 2247332Sjkh 22550254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0), 22650254Sphk UID_ROOT, GID_OPERATOR, 0640, "rscd%da", unit); 22750254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 22850254Sphk UID_ROOT, GID_OPERATOR, 0640, "rscd%dc", unit); 22950254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0), 23050254Sphk UID_ROOT, GID_OPERATOR, 0640, "scd%da", unit); 23150254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 23250254Sphk UID_ROOT, GID_OPERATOR, 0640, "scd%dc", unit); 2337332Sjkh return 1; 2347332Sjkh} 2357332Sjkh 23612675Sjulianstatic int 23710624Sbdescdopen(dev_t dev, int flags, int fmt, struct proc *p) 2387332Sjkh{ 2397332Sjkh int unit,part,phys; 2407332Sjkh int rc; 2417332Sjkh struct scd_data *cd; 2428876Srgrimes 2437332Sjkh unit = scd_unit(dev); 2447332Sjkh if (unit >= NSCD) 2457332Sjkh return ENXIO; 2467332Sjkh 2477332Sjkh cd = scd_data + unit; 2487332Sjkh part = scd_part(dev); 2497332Sjkh phys = scd_phys(dev); 2508876Srgrimes 2517332Sjkh /* not initialized*/ 2527332Sjkh if (!(cd->flags & SCDINIT)) 2537332Sjkh return ENXIO; 2547332Sjkh 2557332Sjkh /* invalidated in the meantime? mark all open part's invalid */ 2567332Sjkh if (cd->openflag) 2577332Sjkh return ENXIO; 2587332Sjkh 2597332Sjkh XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS))); 2607332Sjkh 2617332Sjkh if ((rc = spin_up(unit)) != 0) { 2627332Sjkh print_error(unit, rc); 2637332Sjkh return EIO; 2647332Sjkh } 2657332Sjkh if (!(cd->flags & SCDTOC)) { 2667332Sjkh int loop_count = 3; 2677332Sjkh 26846833Sphk while (loop_count-- > 0 && (rc = read_toc(unit)) != 0) { 2697332Sjkh if (rc == ERR_NOT_SPINNING) { 2707332Sjkh rc = spin_up(unit); 2717332Sjkh if (rc) { 2727332Sjkh print_error(unit, rc);\ 2737332Sjkh return EIO; 2747332Sjkh } 2757332Sjkh continue; 2767332Sjkh } 2777332Sjkh printf("scd%d: TOC read error 0x%x\n", unit, rc); 2787332Sjkh return EIO; 2797332Sjkh } 2807332Sjkh } 2817332Sjkh 28251111Sjulian dev->si_bsize_phys = cd->blksize; 28351111Sjulian 2847332Sjkh cd->openflag = 1; 2857332Sjkh cd->flags |= SCDVALID; 2867332Sjkh 2877332Sjkh return 0; 2887332Sjkh} 2897332Sjkh 29012675Sjulianstatic int 29110624Sbdescdclose(dev_t dev, int flags, int fmt, struct proc *p) 2927332Sjkh{ 2937332Sjkh int unit,part,phys; 2947332Sjkh struct scd_data *cd; 2958876Srgrimes 2967332Sjkh unit = scd_unit(dev); 2977332Sjkh if (unit >= NSCD) 2987332Sjkh return ENXIO; 2997332Sjkh 3007332Sjkh cd = scd_data + unit; 3017332Sjkh part = scd_part(dev); 3027332Sjkh phys = scd_phys(dev); 3038876Srgrimes 3048876Srgrimes if (!(cd->flags & SCDINIT) || !cd->openflag) 3057332Sjkh return ENXIO; 3067332Sjkh 3077332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) { 3087332Sjkh (void)send_cmd(unit, CMD_SPIN_DOWN, 0); 3097332Sjkh cd->flags &= ~SCDSPINNING; 3107332Sjkh } 3117332Sjkh 3127332Sjkh 3137332Sjkh /* close channel */ 3147332Sjkh cd->openflag = 0; 3157332Sjkh 3167332Sjkh return 0; 3177332Sjkh} 3187332Sjkh 31912675Sjulianstatic void 32059249Sphkscdstrategy(struct bio *bp) 3217332Sjkh{ 3227332Sjkh struct scd_data *cd; 3237332Sjkh int s; 32459249Sphk int unit = scd_unit(bp->bio_dev); 3257332Sjkh 3267332Sjkh cd = scd_data + unit; 3277332Sjkh 32837618Sbde XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", 32959249Sphk unit, (long)bp->bio_blkno, bp->bio_bcount)); 3307332Sjkh 33159249Sphk if (unit >= NSCD || bp->bio_blkno < 0 || (bp->bio_bcount % SCDBLKSIZE)) { 3328376Srgrimes printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n", 33359249Sphk unit, (long)bp->bio_blkno, bp->bio_bcount); 33459249Sphk bp->bio_error = EINVAL; 33559249Sphk bp->bio_flags |= BIO_ERROR; 3367332Sjkh goto bad; 3377332Sjkh } 3387332Sjkh 3397332Sjkh /* if device invalidated (e.g. media change, door open), error */ 3407332Sjkh if (!(cd->flags & SCDVALID)) { 3417332Sjkh printf("scd%d: media changed\n", unit); 34259249Sphk bp->bio_error = EIO; 3437332Sjkh goto bad; 3447332Sjkh } 3457332Sjkh 3467332Sjkh /* read only */ 34759249Sphk if (!(bp->bio_cmd == BIO_READ)) { 34859249Sphk bp->bio_error = EROFS; 3497332Sjkh goto bad; 3507332Sjkh } 3518876Srgrimes 3527332Sjkh /* no data to read */ 35359249Sphk if (bp->bio_bcount == 0) 3547332Sjkh goto done; 3558876Srgrimes 3567332Sjkh if (!(cd->flags & SCDTOC)) { 35759249Sphk bp->bio_error = EIO; 3587332Sjkh goto bad; 3597332Sjkh } 3607332Sjkh /* adjust transfer if necessary */ 3617332Sjkh if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) 3627332Sjkh goto done; 3637332Sjkh 36459249Sphk bp->bio_pblkno = bp->bio_blkno; 36559249Sphk bp->bio_resid = 0; 3668876Srgrimes 3677332Sjkh /* queue it */ 3687332Sjkh s = splbio(); 36959249Sphk bioqdisksort(&cd->head, bp); 3707332Sjkh splx(s); 3718876Srgrimes 3727332Sjkh /* now check whether we can perform processing */ 3737332Sjkh scd_start(unit); 3747332Sjkh return; 3757332Sjkh 3767332Sjkhbad: 37759249Sphk bp->bio_flags |= BIO_ERROR; 3787332Sjkhdone: 37959249Sphk bp->bio_resid = bp->bio_bcount; 3807332Sjkh biodone(bp); 3817332Sjkh return; 3827332Sjkh} 3837332Sjkh 3847332Sjkhstatic void 3857332Sjkhscd_start(int unit) 3867332Sjkh{ 3877332Sjkh struct scd_data *cd = scd_data + unit; 38859249Sphk struct bio *bp; 3897332Sjkh struct partition *p; 39046573Speter int s = splbio(); 3918876Srgrimes 3927332Sjkh if (cd->flags & SCDMBXBSY) { 3937332Sjkh splx(s); 3947332Sjkh return; 3957332Sjkh } 3967332Sjkh 39759249Sphk bp = bioq_first(&cd->head); 39815574Sphk if (bp != 0) { 3997332Sjkh /* block found to process, dequeue */ 40059249Sphk bioq_remove(&cd->head, bp); 4017332Sjkh cd->flags |= SCDMBXBSY; 4027332Sjkh splx(s); 4037332Sjkh } else { 4047332Sjkh /* nothing to do */ 4057332Sjkh splx(s); 4067332Sjkh return; 4077332Sjkh } 4087332Sjkh 40959249Sphk p = cd->dlabel.d_partitions + scd_part(bp->bio_dev); 4107332Sjkh 4117332Sjkh cd->mbx.unit = unit; 4127332Sjkh cd->mbx.port = cd->iobase; 4137332Sjkh cd->mbx.retry = 3; 4147332Sjkh cd->mbx.bp = bp; 4157332Sjkh cd->mbx.p_offset = p->p_offset; 4167332Sjkh splx(s); 4177332Sjkh 4187332Sjkh scd_doread(SCD_S_BEGIN,&(cd->mbx)); 4197332Sjkh return; 4207332Sjkh} 4217332Sjkh 42212675Sjulianstatic int 42336735Sdfrscdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p) 4247332Sjkh{ 4257332Sjkh struct scd_data *cd; 4267332Sjkh int unit,part; 4278876Srgrimes 4287332Sjkh unit = scd_unit(dev); 4297332Sjkh part = scd_part(dev); 4307332Sjkh cd = scd_data + unit; 4317332Sjkh 43237618Sbde XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd)); 4337332Sjkh 4347332Sjkh if (!(cd->flags & SCDVALID)) 4357332Sjkh return EIO; 4367332Sjkh 4377332Sjkh switch (cmd) { 4387332Sjkh case DIOCGDINFO: 4397332Sjkh *(struct disklabel *)addr = cd->dlabel; 4407332Sjkh return 0; 4417332Sjkh case DIOCGPART: 4427332Sjkh ((struct partinfo *)addr)->disklab = &cd->dlabel; 4437332Sjkh ((struct partinfo *)addr)->part = 4447332Sjkh &cd->dlabel.d_partitions[0]; 4457332Sjkh return 0; 4467332Sjkh case CDIOCPLAYTRACKS: 4477332Sjkh return scd_playtracks(unit, (struct ioc_play_track *) addr); 4487332Sjkh case CDIOCPLAYBLOCKS: 4497332Sjkh return EINVAL; 4507332Sjkh case CDIOCPLAYMSF: 4517332Sjkh return scd_playmsf(unit, (struct ioc_play_msf *) addr); 4527332Sjkh case CDIOCREADSUBCHANNEL: 4537332Sjkh return scd_subchan(unit, (struct ioc_read_subchannel *) addr); 4547332Sjkh case CDIOREADTOCHEADER: 4557332Sjkh return scd_toc_header (unit, (struct ioc_toc_header *) addr); 4567332Sjkh case CDIOREADTOCENTRYS: 4577332Sjkh return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr); 45825460Sjoerg case CDIOREADTOCENTRY: 45925460Sjoerg return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr); 4607332Sjkh case CDIOCSETPATCH: 4617332Sjkh case CDIOCGETVOL: 4627332Sjkh case CDIOCSETVOL: 4637332Sjkh case CDIOCSETMONO: 4647332Sjkh case CDIOCSETSTERIO: 4657332Sjkh case CDIOCSETMUTE: 4667332Sjkh case CDIOCSETLEFT: 4677332Sjkh case CDIOCSETRIGHT: 4687332Sjkh return EINVAL; 4697332Sjkh case CDIOCRESUME: 4707332Sjkh return scd_resume(unit); 4717332Sjkh case CDIOCPAUSE: 4727332Sjkh return scd_pause(unit); 4737332Sjkh case CDIOCSTART: 4747332Sjkh return EINVAL; 4757332Sjkh case CDIOCSTOP: 4767332Sjkh return scd_stop(unit); 4777332Sjkh case CDIOCEJECT: 4787332Sjkh return scd_eject(unit); 4797332Sjkh case CDIOCALLOW: 4807332Sjkh return 0; 4817332Sjkh case CDIOCSETDEBUG: 4827332Sjkh#ifdef SCD_DEBUG 4837332Sjkh scd_debuglevel++; 4847332Sjkh#endif 4857332Sjkh return 0; 4867332Sjkh case CDIOCCLRDEBUG: 4877332Sjkh#ifdef SCD_DEBUG 4887332Sjkh scd_debuglevel = 0; 4897332Sjkh 4907332Sjkh#endif 4917332Sjkh return 0; 4927332Sjkh default: 49337618Sbde printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd); 4947332Sjkh return ENOTTY; 4957332Sjkh } 4967332Sjkh} 4977332Sjkh 4987332Sjkh/*************************************************************** 4997332Sjkh * lower level of driver starts here 5007332Sjkh **************************************************************/ 5017332Sjkh 5027332Sjkhstatic int 5037332Sjkhscd_playtracks(int unit, struct ioc_play_track *pt) 5047332Sjkh{ 5057332Sjkh struct scd_data *cd = scd_data + unit; 5067332Sjkh struct ioc_play_msf msf; 5077332Sjkh int a = pt->start_track; 5087332Sjkh int z = pt->end_track; 50911872Sphk int rc; 5107332Sjkh 5117332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 5127332Sjkh if (rc == -ERR_NOT_SPINNING) { 5137332Sjkh if (spin_up(unit) != 0) 5147332Sjkh return EIO; 5157332Sjkh rc = read_toc(unit); 5167332Sjkh } 5177332Sjkh if (rc != 0) { 5187332Sjkh print_error(unit, rc); 5197332Sjkh return EIO; 5207332Sjkh } 5217332Sjkh } 5227332Sjkh 5237332Sjkh XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit, 5247332Sjkh a, pt->start_index, z, pt->end_index)); 5257332Sjkh 5267332Sjkh if ( a < cd->first_track 5277332Sjkh || a > cd->last_track 5287332Sjkh || a > z 5297332Sjkh || z > cd->last_track) 5307332Sjkh return EINVAL; 5317332Sjkh 5327332Sjkh bcopy(cd->toc[a].start_msf, &msf.start_m, 3); 5337332Sjkh hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m); 5347332Sjkh 5357332Sjkh return scd_play(unit, &msf); 5367332Sjkh} 5377332Sjkh 5387332Sjkh/* The start/end msf is expected to be in bin format */ 5397332Sjkhstatic int 5407332Sjkhscd_playmsf(int unit, struct ioc_play_msf *msfin) 5417332Sjkh{ 5427332Sjkh struct ioc_play_msf msf; 5437332Sjkh 5447332Sjkh msf.start_m = bin2bcd(msfin->start_m); 5457332Sjkh msf.start_s = bin2bcd(msfin->start_s); 5467332Sjkh msf.start_f = bin2bcd(msfin->start_f); 5477332Sjkh msf.end_m = bin2bcd(msfin->end_m); 5487332Sjkh msf.end_s = bin2bcd(msfin->end_s); 5497332Sjkh msf.end_f = bin2bcd(msfin->end_f); 5507332Sjkh 5517332Sjkh return scd_play(unit, &msf); 5527332Sjkh} 5537332Sjkh 5547332Sjkh/* The start/end msf is expected to be in bcd format */ 5557332Sjkhstatic int 5567332Sjkhscd_play(int unit, struct ioc_play_msf *msf) 5577332Sjkh{ 5587332Sjkh struct scd_data *cd = scd_data + unit; 5597332Sjkh int i, rc; 5607332Sjkh 5617332Sjkh XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit, 5627332Sjkh msf->start_m, msf->start_s, msf->start_f, 5637332Sjkh msf->end_m, msf->end_s, msf->end_f)); 5647332Sjkh 5657332Sjkh for (i = 0; i < 2; i++) { 5667332Sjkh rc = send_cmd(unit, CMD_PLAY_AUDIO, 7, 5677332Sjkh 0x03, 5687332Sjkh msf->start_m, msf->start_s, msf->start_f, 5697332Sjkh msf->end_m, msf->end_s, msf->end_f); 5707332Sjkh if (rc == -ERR_NOT_SPINNING) { 5717332Sjkh cd->flags &= ~SCDSPINNING; 5727332Sjkh if (spin_up(unit) != 0) 5737332Sjkh return EIO; 5747332Sjkh } else if (rc < 0) { 5757332Sjkh print_error(unit, rc); 5767332Sjkh return EIO; 5777332Sjkh } else { 5787332Sjkh break; 5797332Sjkh } 5807332Sjkh } 5817332Sjkh cd->audio_status = CD_AS_PLAY_IN_PROGRESS; 5827332Sjkh bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf)); 5837332Sjkh return 0; 5847332Sjkh} 5857332Sjkh 5867332Sjkhstatic int 5877332Sjkhscd_stop(int unit) 5887332Sjkh{ 5897332Sjkh struct scd_data *cd = scd_data + unit; 5907332Sjkh 5917332Sjkh (void)send_cmd(unit, CMD_STOP_AUDIO, 0); 5927332Sjkh cd->audio_status = CD_AS_PLAY_COMPLETED; 5937332Sjkh return 0; 5947332Sjkh} 5957332Sjkh 5967332Sjkhstatic int 5977332Sjkhscd_pause(int unit) 5987332Sjkh{ 5997332Sjkh struct scd_data *cd = scd_data + unit; 6007332Sjkh struct sony_subchannel_position_data subpos; 6017332Sjkh 6027332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) 6037332Sjkh return EINVAL; 6047332Sjkh 6057332Sjkh if (read_subcode(unit, &subpos) != 0) 6067332Sjkh return EIO; 6077332Sjkh 6087332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0) 6097332Sjkh return EIO; 6108876Srgrimes 6117332Sjkh cd->last_play.start_m = subpos.abs_msf[0]; 6127332Sjkh cd->last_play.start_s = subpos.abs_msf[1]; 6137332Sjkh cd->last_play.start_f = subpos.abs_msf[2]; 6147332Sjkh cd->audio_status = CD_AS_PLAY_PAUSED; 6157332Sjkh 6167332Sjkh XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit, 6177332Sjkh cd->last_play.start_m, 6187332Sjkh cd->last_play.start_s, 6197332Sjkh cd->last_play.start_f)); 6207332Sjkh 6217332Sjkh return 0; 6227332Sjkh} 6237332Sjkh 6247332Sjkhstatic int 6257332Sjkhscd_resume(int unit) 6267332Sjkh{ 6277332Sjkh if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED) 6287332Sjkh return EINVAL; 6297332Sjkh return scd_play(unit, &scd_data[unit].last_play); 6307332Sjkh} 6317332Sjkh 6327332Sjkhstatic int 6337332Sjkhscd_eject(int unit) 6347332Sjkh{ 6357332Sjkh struct scd_data *cd = scd_data + unit; 6367332Sjkh 6377332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 6387332Sjkh cd->flags &= ~(SCDSPINNING|SCDTOC); 6397332Sjkh 6407332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 || 6417332Sjkh send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 || 6427332Sjkh send_cmd(unit, CMD_EJECT, 0) != 0) 6437332Sjkh { 6447332Sjkh return EIO; 6457332Sjkh } 6467332Sjkh return 0; 6477332Sjkh} 6487332Sjkh 6497332Sjkhstatic int 6507332Sjkhscd_subchan(int unit, struct ioc_read_subchannel *sc) 6517332Sjkh{ 6527332Sjkh struct scd_data *cd = scd_data + unit; 6537332Sjkh struct sony_subchannel_position_data q; 6547332Sjkh struct cd_sub_channel_info data; 6557332Sjkh 6567332Sjkh XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit, 6577332Sjkh sc->address_format, 6587332Sjkh sc->data_format)); 6597332Sjkh 6607332Sjkh if (sc->address_format != CD_MSF_FORMAT) 6617332Sjkh return EINVAL; 6627332Sjkh 6637332Sjkh if (sc->data_format != CD_CURRENT_POSITION) 6647332Sjkh return EINVAL; 6657332Sjkh 6667332Sjkh if (read_subcode(unit, &q) != 0) 6677332Sjkh return EIO; 6687332Sjkh 6697332Sjkh data.header.audio_status = cd->audio_status; 6707332Sjkh data.what.position.data_format = CD_MSF_FORMAT; 6717332Sjkh data.what.position.track_number = bcd2bin(q.track_number); 6727332Sjkh data.what.position.reladdr.msf.unused = 0; 6737332Sjkh data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 6747332Sjkh data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 6757332Sjkh data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 6767332Sjkh data.what.position.absaddr.msf.unused = 0; 6777332Sjkh data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 6787332Sjkh data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 6797332Sjkh data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 6807332Sjkh 6817332Sjkh if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) 6827332Sjkh return EFAULT; 6837332Sjkh return 0; 6847332Sjkh} 6857332Sjkh 68642552Seivindstatic __inline void 68742552Seivindwrite_control(unsigned port, unsigned data) 68842552Seivind{ 68942552Seivind outb(port + OREG_CONTROL, data); 69042552Seivind} 69142552Seivind 69242552Seivindstatic int 6937332Sjkhscd_probe(struct isa_device *dev) 6947332Sjkh{ 6957332Sjkh struct sony_drive_configuration drive_config; 6967332Sjkh int unit = dev->id_unit; 6977332Sjkh int rc; 6987332Sjkh static char namebuf[8+16+8+3]; 6997332Sjkh char *s = namebuf; 7007332Sjkh int loop_count = 0; 70147640Sphk static int once; 7027332Sjkh 70347640Sphk if (!once++) 70447640Sphk cdevsw_add(&scd_cdevsw); 70547640Sphk 7067332Sjkh scd_data[unit].flags = SCDPROBING; 7077332Sjkh scd_data[unit].iobase = dev->id_iobase; 7087332Sjkh 7097332Sjkh bzero(&drive_config, sizeof(drive_config)); 7107332Sjkh 7117332Sjkhagain: 7127332Sjkh /* Reset drive */ 7137332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7147332Sjkh 7157332Sjkh /* Calm down */ 7167332Sjkh DELAY(300000); 7177332Sjkh 7187332Sjkh /* Only the ATTENTION bit may be set */ 7197332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7207332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7217332Sjkh return 0; 7227332Sjkh } 7237332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7247332Sjkh if (rc != sizeof(drive_config)) { 7257332Sjkh /* Sometimes if the drive is playing audio I get */ 7267332Sjkh /* the bad result 82. Fix by repeating the reset */ 7277332Sjkh if (rc > 0 && loop_count++ == 0) 7287332Sjkh goto again; 7297332Sjkh return 0; 7307332Sjkh } 7317332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7327332Sjkh return 0; 7337332Sjkh 7347332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7357332Sjkh s = namebuf+8; 7367332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7377332Sjkh s--; 7387332Sjkh *s++ = ' '; 7397332Sjkh bcopy(drive_config.product, s, 16); 7407332Sjkh s += 16; 7417332Sjkh while (*(s-1) == ' ') 7427332Sjkh s--; 7437332Sjkh *s++ = ' '; 7447332Sjkh bcopy(drive_config.revision, s, 8); 7457332Sjkh s += 8; 7467332Sjkh while (*(s-1) == ' ') 7477332Sjkh s--; 7487332Sjkh *s = 0; 7497332Sjkh 7507332Sjkh scd_data[unit].name = namebuf; 7517332Sjkh 7527332Sjkh if (drive_config.config & 0x10) 7537332Sjkh scd_data[unit].double_speed = 1; 7547332Sjkh else 7557332Sjkh scd_data[unit].double_speed = 0; 7567332Sjkh 7577332Sjkh return 4; 7587332Sjkh} 7597332Sjkh 7607332Sjkhstatic int 7617332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7627332Sjkh{ 7637332Sjkh int rc; 7647332Sjkh 7657332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7667332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7677332Sjkh return EIO; 7687332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7697332Sjkh return EIO; 7707332Sjkh return 0; 7717332Sjkh} 7727332Sjkh 7737332Sjkh/* State machine copied from mcd.c */ 7747332Sjkh 7757332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7767332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7777332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7787332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7797332Sjkh 7807332Sjkh/* state machine to process read requests 7817332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7827332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7837332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7847332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7857332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7867332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7877332Sjkh */ 7887332Sjkh 7897332Sjkhstatic struct scd_mbx *mbxsave; 7907332Sjkh 7917332Sjkhstatic void 79225056Sbdescd_timeout(void *arg) 79325056Sbde{ 79425056Sbde scd_doread((int)arg, mbxsave); 79525056Sbde} 79625056Sbde 79725056Sbdestatic void 7987332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7997332Sjkh{ 8007332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 8017332Sjkh int unit = mbx->unit; 8027332Sjkh int port = mbx->port; 80359249Sphk struct bio *bp = mbx->bp; 8047332Sjkh struct scd_data *cd = scd_data + unit; 80511872Sphk int reg,i; 8067332Sjkh int blknum; 8077332Sjkh caddr_t addr; 8087332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 8097332Sjkh 8107332Sjkhloop: 8117332Sjkh switch (state) { 8127332Sjkh case SCD_S_BEGIN: 8137332Sjkh mbx = mbxsave = mbxin; 8147332Sjkh 8157332Sjkh case SCD_S_BEGIN1: 8167332Sjkh /* get status */ 8177332Sjkh mbx->count = RDELAY_WAIT; 8187332Sjkh 8197332Sjkh process_attention(unit); 8207332Sjkh goto trystat; 8217332Sjkh 8227332Sjkh case SCD_S_WAITSTAT: 82329677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle); 8247332Sjkh if (mbx->count-- <= 0) { 8257332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8267332Sjkh goto harderr; 8277332Sjkh } 8287332Sjkh 8297332Sjkhtrystat: 8307332Sjkh if (IS_BUSY(port)) { 83129677Sgibbs tohandle = timeout(scd_timeout, 83229677Sgibbs (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8337332Sjkh return; 8347332Sjkh } 8358876Srgrimes 8367332Sjkh process_attention(unit); 8377332Sjkh 8387332Sjkh /* reject, if audio active */ 8397332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8407332Sjkh printf("scd%d: audio is active\n",unit); 8417332Sjkh goto harderr; 8427332Sjkh } 8437332Sjkh 8447332Sjkh mbx->sz = cd->blksize; 8457332Sjkh 8467332Sjkh /* for first block */ 84759249Sphk mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 8487332Sjkh mbx->skip = 0; 8497332Sjkh 8507332Sjkhnextblock: 8517332Sjkh if (!(cd->flags & SCDVALID)) 8527332Sjkh goto changed; 8537332Sjkh 85459249Sphk blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE)) 8557332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8567332Sjkh 8577332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8587332Sjkh 8597332Sjkh /* build parameter block */ 8607332Sjkh hsg2msf(blknum, sdata); 8617332Sjkh 8627332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8637332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8647332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8657332Sjkh 8667332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8677332Sjkh goto writeparam; 8687332Sjkh 8697332Sjkh mbx->count = 100; 87029677Sgibbs tohandle = timeout(scd_timeout, 87129677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8727332Sjkh return; 8737332Sjkh 8747332Sjkh case SCD_S_WAITSPIN: 87529677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle); 8767332Sjkh if (mbx->count-- <= 0) { 8777332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8787332Sjkh goto harderr; 8797332Sjkh } 8807332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 88129677Sgibbs tohandle = timeout(scd_timeout, 88229677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8837332Sjkh return; 8847332Sjkh } 8857332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8867332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8877332Sjkh case 0x20: 8887332Sjkh i = inb(port+IREG_RESULT); 8897332Sjkh print_error(unit, i); 8907332Sjkh goto harderr; 8917332Sjkh case 0x00: 8927332Sjkh (void)inb(port+IREG_RESULT); 8937332Sjkh cd->flags |= SCDSPINNING; 8947332Sjkh break; 8957332Sjkh } 8967332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8977332Sjkh 8987332Sjkh state = SCD_S_BEGIN1; 8997332Sjkh goto loop; 9007332Sjkh 9017332Sjkh case SCD_S_WAITFIFO: 90229677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle); 9037332Sjkh if (mbx->count-- <= 0) { 9047332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 9057332Sjkh goto harderr; 9067332Sjkh } 9077332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 90829677Sgibbs tohandle = timeout(scd_timeout, 90929677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 9107332Sjkh return; 9117332Sjkh } 9127332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9137332Sjkh 9147332Sjkhwriteparam: 9157332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9167332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9177332Sjkh if (!(cd->flags & SCDSPINNING)) { 9187332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9197332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9207332Sjkh mbx->count = 300; 92129677Sgibbs tohandle = timeout(scd_timeout, 92229677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9237332Sjkh return; 9247332Sjkh } 9257332Sjkh 9267332Sjkh reg = port + OREG_WPARAMS; 9277332Sjkh /* send the read command */ 9287332Sjkh disable_intr(); 9297332Sjkh outb(reg, sdata[0]); 9307332Sjkh outb(reg, sdata[1]); 9317332Sjkh outb(reg, sdata[2]); 9327332Sjkh outb(reg, 0); 9337332Sjkh outb(reg, 0); 9347332Sjkh outb(reg, 1); 9357332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9367332Sjkh enable_intr(); 9377332Sjkh 9387332Sjkh mbx->count = RDELAY_WAITREAD; 9397332Sjkh for (i = 0; i < 50; i++) { 9407332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9417332Sjkh goto got_data; 9427332Sjkh DELAY(100); 9437332Sjkh } 9447332Sjkh 94529677Sgibbs tohandle = timeout(scd_timeout, 94629677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9477332Sjkh return; 9487332Sjkh 9497332Sjkh case SCD_S_WAITREAD: 95029677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle); 9517332Sjkh if (mbx->count-- <= 0) { 9527332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9537332Sjkh goto got_param; 9547332Sjkh printf("scd%d: timeout while reading data\n",unit); 9557332Sjkh goto readerr; 9567332Sjkh } 9577332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9587332Sjkh process_attention(unit); 9597332Sjkh if (!(cd->flags & SCDVALID)) 9607332Sjkh goto changed; 96129677Sgibbs tohandle = timeout(scd_timeout, 96229677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9637332Sjkh return; 9647332Sjkh } 9657332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9667332Sjkh 9677332Sjkhgot_data: 9687332Sjkh /* data is ready */ 96959249Sphk addr = bp->bio_data + mbx->skip; 9707332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9717332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9727332Sjkh 9737332Sjkh mbx->count = 100; 9747332Sjkh for (i = 0; i < 20; i++) { 9757332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9767332Sjkh goto waitfor_param; 9777332Sjkh DELAY(100); 9787332Sjkh } 9797332Sjkh goto waitfor_param; 9807332Sjkh 9817332Sjkh case SCD_S_WAITPARAM: 98229677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle); 9837332Sjkh if (mbx->count-- <= 0) { 9847332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9857332Sjkh goto readerr; 9867332Sjkh } 9877332Sjkh 9887332Sjkhwaitfor_param: 9897332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 99029677Sgibbs tohandle = timeout(scd_timeout, 99129677Sgibbs (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9927332Sjkh return; 9937332Sjkh } 9947332Sjkh#if SCD_DEBUG 9957332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9967332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9977332Sjkh#endif 9987332Sjkh 9997332Sjkhgot_param: 10007332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 10017332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 10027332Sjkh case 0x50: 10037332Sjkh switch (i) { 10047332Sjkh case ERR_FATAL_READ_ERROR1: 10057332Sjkh case ERR_FATAL_READ_ERROR2: 10067332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 10077332Sjkh goto harderr; 10087332Sjkh } 10097332Sjkh break; 10107332Sjkh case 0x20: 10117332Sjkh i = inb(port+IREG_RESULT); 10127332Sjkh switch (i) { 10137332Sjkh case ERR_NOT_SPINNING: 10147332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10157332Sjkh if (mbx->retry-- > 0) { 10167332Sjkh state = SCD_S_BEGIN1; 10177332Sjkh cd->flags &= ~SCDSPINNING; 10187332Sjkh goto loop; 10197332Sjkh } 10207332Sjkh goto harderr; 10217332Sjkh default: 10227332Sjkh print_error(unit, i); 10237332Sjkh goto readerr; 10247332Sjkh } 10257332Sjkh case 0x00: 10267332Sjkh i = inb(port+IREG_RESULT); 10277332Sjkh break; 10287332Sjkh } 10297332Sjkh 10307332Sjkh if (--mbx->nblk > 0) { 10317332Sjkh mbx->skip += mbx->sz; 10327332Sjkh goto nextblock; 10337332Sjkh } 10347332Sjkh 10357332Sjkh /* return buffer */ 103659249Sphk bp->bio_resid = 0; 10377332Sjkh biodone(bp); 10387332Sjkh 10397332Sjkh cd->flags &= ~SCDMBXBSY; 10407332Sjkh scd_start(mbx->unit); 10417332Sjkh return; 10427332Sjkh } 10437332Sjkh 10447332Sjkhreaderr: 10457332Sjkh if (mbx->retry-- > 0) { 10467332Sjkh printf("scd%d: retrying ...\n",unit); 10477332Sjkh state = SCD_S_BEGIN1; 10487332Sjkh goto loop; 10497332Sjkh } 10507332Sjkhharderr: 10517332Sjkh /* invalidate the buffer */ 105259249Sphk bp->bio_error = EIO; 105359249Sphk bp->bio_flags |= BIO_ERROR; 105459249Sphk bp->bio_resid = bp->bio_bcount; 10557332Sjkh biodone(bp); 10567332Sjkh 10577332Sjkh cd->flags &= ~SCDMBXBSY; 10587332Sjkh scd_start(mbx->unit); 10597332Sjkh return; 10607332Sjkh 10617332Sjkhchanged: 10627332Sjkh printf("scd%d: media changed\n", unit); 10637332Sjkh goto harderr; 10647332Sjkh} 10657332Sjkh 10667332Sjkhstatic void 10677332Sjkhhsg2msf(int hsg, bcd_t *msf) 10687332Sjkh{ 10697332Sjkh hsg += 150; 10707332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10717332Sjkh hsg %= 4500; 10727332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10737332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10747332Sjkh} 10757332Sjkh 10767332Sjkhstatic int 10777332Sjkhmsf2hsg(bcd_t *msf) 10787332Sjkh{ 10797332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10807332Sjkh bcd2bin(S_msf(msf))) * 75 + 10817332Sjkh bcd2bin(F_msf(msf)) - 150; 10827332Sjkh} 10837332Sjkh 10847332Sjkhstatic void 10857332Sjkhprocess_attention(unsigned unit) 10867332Sjkh{ 10877332Sjkh unsigned port = scd_data[unit].iobase; 10887332Sjkh unsigned char code; 10897332Sjkh int count = 0; 10907332Sjkh 10917332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 10927332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 10937332Sjkh code = inb(port+IREG_RESULT); 10947332Sjkh 10957332Sjkh#if SCD_DEBUG 10967332Sjkh if (scd_debuglevel > 0) { 10977332Sjkh if (count == 1) 10987332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 10997332Sjkh else 11007332Sjkh printf(",0x%x", code); 11017332Sjkh } 11027332Sjkh#endif 11037332Sjkh 11047332Sjkh switch (code) { 11057332Sjkh case ATTEN_SPIN_DOWN: 11067332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 11077332Sjkh break; 11087332Sjkh 11097332Sjkh case ATTEN_SPIN_UP_DONE: 11107332Sjkh scd_data[unit].flags |= SCDSPINNING; 11117332Sjkh break; 11127332Sjkh 11137332Sjkh case ATTEN_AUDIO_DONE: 11147332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11157332Sjkh break; 11167332Sjkh 11177332Sjkh case ATTEN_DRIVE_LOADED: 11187332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11197332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11207332Sjkh break; 11217332Sjkh 11227332Sjkh case ATTEN_EJECT_PUSHED: 11237332Sjkh scd_data[unit].flags &= ~SCDVALID; 11247332Sjkh break; 11257332Sjkh } 11267332Sjkh DELAY(100); 11277332Sjkh } 11287332Sjkh#if SCD_DEBUG 11297332Sjkh if (scd_debuglevel > 0 && count > 0) 11307332Sjkh printf("\n"); 11317332Sjkh#endif 11327332Sjkh} 11337332Sjkh 11347332Sjkh/* Returns 0 OR sony error code */ 11357332Sjkhstatic int 11367332Sjkhspin_up(unsigned unit) 11377332Sjkh{ 11387332Sjkh unsigned char res_reg[12]; 11397332Sjkh unsigned int res_size; 11407332Sjkh int rc; 11417332Sjkh int loop_count = 0; 11427332Sjkh 11437332Sjkhagain: 114417108Sbde rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 11457332Sjkh if (rc != 0) { 11467332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11477332Sjkh return rc; 11487332Sjkh } 11497332Sjkh 11507332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11517332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11527332Sjkh if (rc == ERR_NOT_SPINNING) { 11537332Sjkh if (loop_count++ < 3) 11547332Sjkh goto again; 11557332Sjkh return rc; 11567332Sjkh } 11577332Sjkh if (rc != 0) 11587332Sjkh return rc; 11597332Sjkh } 11607332Sjkh 11617332Sjkh scd_data[unit].flags |= SCDSPINNING; 11627332Sjkh 11637332Sjkh return 0; 11647332Sjkh} 11657332Sjkh 11667332Sjkhstatic struct sony_tracklist * 11677332Sjkhget_tl(struct sony_toc *toc, int size) 11687332Sjkh{ 11697332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11707332Sjkh 11717332Sjkh if (tl->track != 0xb0) 11727332Sjkh return tl; 11737332Sjkh (char *)tl += 9; 11748876Srgrimes if (tl->track != 0xb1) 11757332Sjkh return tl; 11767332Sjkh (char *)tl += 9; 11778876Srgrimes if (tl->track != 0xb2) 11787332Sjkh return tl; 11797332Sjkh (char *)tl += 9; 11808876Srgrimes if (tl->track != 0xb3) 11817332Sjkh return tl; 11827332Sjkh (char *)tl += 9; 11838876Srgrimes if (tl->track != 0xb4) 11847332Sjkh return tl; 11857332Sjkh (char *)tl += 9; 11868876Srgrimes if (tl->track != 0xc0) 11877332Sjkh return tl; 11887332Sjkh (char *)tl += 9; 11897332Sjkh return tl; 11907332Sjkh} 11917332Sjkh 11927332Sjkhstatic int 119346833Sphkread_toc(unsigned unit) 11947332Sjkh{ 11957332Sjkh struct scd_data *cd; 11967332Sjkh unsigned part = 0; /* For now ... */ 11977332Sjkh struct sony_toc toc; 11987332Sjkh struct sony_tracklist *tl; 11997332Sjkh int rc, i, j; 12007332Sjkh u_long first, last; 12017332Sjkh 12027332Sjkh cd = scd_data + unit; 12037332Sjkh 12047332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 12057332Sjkh if (rc < 0) 12067332Sjkh return rc; 12077332Sjkh if (rc > sizeof(toc)) { 12087332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 12097332Sjkh return EIO; 12107332Sjkh } 12117332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12127332Sjkh return EIO; 12137332Sjkh 12147332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12157332Sjkh 12167332Sjkh tl = get_tl(&toc, rc); 12177332Sjkh first = msf2hsg(tl->start_msf); 12187332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12197332Sjkh cd->blksize = SCDBLKSIZE; 12207332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12217332Sjkh 12228376Srgrimes XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit, 12237332Sjkh first, last)); 12247332Sjkh 12257332Sjkh cd->first_track = bcd2bin(toc.first_track); 12267332Sjkh cd->last_track = bcd2bin(toc.last_track); 12277332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12287332Sjkh cd->last_track = MAX_TRACKS-2; 12297332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12307332Sjkh cd->toc[i].adr = tl[j].adr; 12317332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12327332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12337332Sjkh#ifdef SCD_DEBUG 12347332Sjkh if (scd_debuglevel > 0) { 12357332Sjkh if ((j % 3) == 0) 12367332Sjkh printf("\nscd%d: tracks ", unit); 12377332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12387332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12397332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12407332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12417332Sjkh } 12427332Sjkh#endif 12437332Sjkh } 12447332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12457332Sjkh#ifdef SCD_DEBUG 12467332Sjkh if (scd_debuglevel > 0) { 12477332Sjkh i = cd->last_track+1; 12487332Sjkh printf("[END: %2d %2d %2d]\n", 12497332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12507332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12517332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12527332Sjkh } 12537332Sjkh#endif 12547332Sjkh 12557332Sjkh bzero(&cd->dlabel,sizeof(struct disklabel)); 12567332Sjkh /* filled with spaces first */ 12577332Sjkh strncpy(cd->dlabel.d_typename," ", 12587332Sjkh sizeof(cd->dlabel.d_typename)); 12597332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12607332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12617332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12627332Sjkh sizeof(cd->dlabel.d_packname)); 12637332Sjkh cd->dlabel.d_secsize = cd->blksize; 12647332Sjkh cd->dlabel.d_nsectors = 100; 12657332Sjkh cd->dlabel.d_ntracks = 1; 12667332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12677332Sjkh cd->dlabel.d_secpercyl = 100; 12687332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12697332Sjkh cd->dlabel.d_rpm = 300; 12707332Sjkh cd->dlabel.d_interleave = 1; 12717332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12727332Sjkh cd->dlabel.d_npartitions= 1; 12737332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12747332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12757332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12767332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12777332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12787332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12797332Sjkh 12807332Sjkh cd->flags |= SCDTOC; 12817332Sjkh 12827332Sjkh return 0; 12837332Sjkh} 12847332Sjkh 12857332Sjkhstatic void 12867332Sjkhinit_drive(unsigned unit) 12877332Sjkh{ 12887332Sjkh int rc; 12897332Sjkh 12907332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 12917332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 12927332Sjkh if (rc != 0) 12937332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 12947332Sjkh} 12957332Sjkh 12967332Sjkh/* Returns 0 or errno */ 12977332Sjkhstatic int 12987332Sjkhget_result(u_int unit, int result_len, u_char *result) 12997332Sjkh{ 13007332Sjkh unsigned int port = scd_data[unit].iobase; 13017332Sjkh unsigned int res_reg = port + IREG_RESULT; 13027332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 13037332Sjkh 13047332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 13057332Sjkh 13067332Sjkh while (result_len-- > 0) { 13077332Sjkh if (loop_index++ >= 10) { 13087332Sjkh loop_index = 1; 13097332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 13107332Sjkh return EIO; 13117332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13127332Sjkh } 13137332Sjkh if (result) 13147332Sjkh *result++ = inb(res_reg); 13157332Sjkh else 13167332Sjkh (void)inb(res_reg); 13177332Sjkh } 13187332Sjkh return 0; 13197332Sjkh} 13207332Sjkh 13217332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13227332Sjkhstatic int 13237332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13247332Sjkh{ 13257332Sjkh va_list ap; 13267332Sjkh u_int port = scd_data[unit].iobase; 13277332Sjkh u_int reg; 13287332Sjkh u_char c; 13297332Sjkh int rc; 13307332Sjkh int i; 13317332Sjkh 13327332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13337332Sjkh printf("scd%d: drive busy\n", unit); 13347332Sjkh return -0x100; 13357332Sjkh } 13367332Sjkh 13377332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13387332Sjkh 13397332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13407332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13417332Sjkh 13427332Sjkh for (i = 0; i < 100; i++) 13437332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13447332Sjkh break; 13457332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13467332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13477332Sjkh return -EIO; 13487332Sjkh } 13498876Srgrimes 13507332Sjkh va_start(ap, nargs); 13517332Sjkh reg = port + OREG_WPARAMS; 13527332Sjkh for (i = 0; i < nargs; i++) { 13537332Sjkh c = (u_char)va_arg(ap, int); 13547332Sjkh outb(reg, c); 13557332Sjkh XDEBUG(1, (",{0x%x}", c)); 13567332Sjkh } 13577332Sjkh va_end(ap); 13587332Sjkh XDEBUG(1, ("\n")); 13597332Sjkh 13607332Sjkh outb(port+OREG_COMMAND, cmd); 13617332Sjkh 136211872Sphk rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY); 136311872Sphk if (rc) 13647332Sjkh return -0x100; 13657332Sjkh 13667332Sjkh reg = port + IREG_RESULT; 13677332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13687332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13697332Sjkh case 0x20: 13707332Sjkh rc = inb(reg); 13717332Sjkh /* FALL TROUGH */ 13727332Sjkh case 0x50: 13737332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13747332Sjkh return -rc; 13757332Sjkh case 0x00: 13767332Sjkh default: 13777332Sjkh rc = inb(reg); 13787332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13797332Sjkh return rc; 13807332Sjkh } 13817332Sjkh} 13827332Sjkh 13837332Sjkhstatic void 13847332Sjkhprint_error(int unit, int errcode) 13857332Sjkh{ 13867332Sjkh switch (errcode) { 13877332Sjkh case -ERR_CD_NOT_LOADED: 13887332Sjkh printf("scd%d: door is open\n", unit); 13897332Sjkh break; 13907332Sjkh case -ERR_NO_CD_INSIDE: 13917332Sjkh printf("scd%d: no cd inside\n", unit); 13927332Sjkh break; 13937332Sjkh default: 13947332Sjkh if (errcode == -0x100 || errcode > 0) 13957332Sjkh printf("scd%d: device timeout\n", unit); 13967332Sjkh else 13977332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 13987332Sjkh break; 13997332Sjkh } 14007332Sjkh} 14017332Sjkh 14027332Sjkh/* Returns 0 or errno value */ 14037332Sjkhstatic int 14047332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 14057332Sjkh{ 14067332Sjkh u_int port = scd_data[unit].iobase; 14077332Sjkh u_int flags = scd_data[unit].flags; 14087332Sjkh u_int reg = port + IREG_STATUS; 14097332Sjkh u_int max_loop; 14107332Sjkh u_char c = 0; 14117332Sjkh 14127332Sjkh if (flags & SCDPROBING) { 14137332Sjkh max_loop = 0; 14147332Sjkh while (max_loop++ < 1000) { 14157332Sjkh c = inb(reg); 14167332Sjkh if (c == 0xff) 14177332Sjkh return EIO; 14187332Sjkh if (c & SBIT_ATTENTION) { 14197332Sjkh process_attention(unit); 14207332Sjkh continue; 14217332Sjkh } 14227332Sjkh if ((c & bits_set) == bits_set && 14237332Sjkh (c & bits_clear) == 0) 14247332Sjkh { 14257332Sjkh break; 14267332Sjkh } 14277332Sjkh DELAY(10000); 14287332Sjkh } 14297332Sjkh } else { 14307332Sjkh max_loop = 100; 14317332Sjkh while (max_loop-- > 0) { 14327332Sjkh c = inb(reg); 14337332Sjkh if (c & SBIT_ATTENTION) { 14347332Sjkh process_attention(unit); 14357332Sjkh continue; 14367332Sjkh } 14377332Sjkh if ((c & bits_set) == bits_set && 14387332Sjkh (c & bits_clear) == 0) 14397332Sjkh { 14407332Sjkh break; 14417332Sjkh } 14427332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14437332Sjkh } 14447332Sjkh } 14457332Sjkh if ((c & bits_set) == bits_set && 14467332Sjkh (c & bits_clear) == 0) 14477332Sjkh { 14487332Sjkh return 0; 14497332Sjkh } 14507332Sjkh#ifdef SCD_DEBUG 14517332Sjkh if (scd_debuglevel > 0) 14527332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14537332Sjkh else 14547332Sjkh#endif 14557332Sjkh printf("scd%d: timeout.\n", unit); 14567332Sjkh return EIO; 14577332Sjkh} 14587332Sjkh 14597332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14607332Sjkhstatic int 14617332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14627332Sjkh{ 14637332Sjkh struct scd_data *cd = scd_data + unit; 14647332Sjkh int rc; 14657332Sjkh 14667332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14677332Sjkh print_error(unit, rc); 14687332Sjkh return EIO; 14697332Sjkh } 14707332Sjkh 14717332Sjkh th->starting_track = cd->first_track; 14727332Sjkh th->ending_track = cd->last_track; 14737332Sjkh th->len = 0; /* not used */ 14747332Sjkh 14757332Sjkh return 0; 14767332Sjkh} 14777332Sjkh 14787332Sjkhstatic int 14797332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14807332Sjkh{ 14817332Sjkh struct scd_data *cd = scd_data + unit; 14827332Sjkh struct cd_toc_entry toc_entry; 14837332Sjkh int rc, i, len = te->data_len; 14847332Sjkh 14857332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14867332Sjkh print_error(unit, rc); 14877332Sjkh return EIO; 14887332Sjkh } 14897332Sjkh 14907332Sjkh /* find the toc to copy*/ 14917332Sjkh i = te->starting_track; 14927332Sjkh if (i == SCD_LASTPLUS1) 14937332Sjkh i = cd->last_track + 1; 14948876Srgrimes 14957332Sjkh /* verify starting track */ 14967332Sjkh if (i < cd->first_track || i > cd->last_track+1) 14977332Sjkh return EINVAL; 14987332Sjkh 14997332Sjkh /* valid length ? */ 15007332Sjkh if (len < sizeof(struct cd_toc_entry) 15017332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 15027332Sjkh return EINVAL; 15037332Sjkh 15047332Sjkh /* copy the toc data */ 15057332Sjkh toc_entry.control = cd->toc[i].ctl; 15067332Sjkh toc_entry.addr_type = te->address_format; 15077332Sjkh toc_entry.track = i; 15087332Sjkh if (te->address_format == CD_MSF_FORMAT) { 15097332Sjkh toc_entry.addr.msf.unused = 0; 15107332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15117332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15127332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15137332Sjkh } 15147332Sjkh 15157332Sjkh /* copy the data back */ 15167332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15177332Sjkh return EFAULT; 15187332Sjkh 15197332Sjkh return 0; 15207332Sjkh} 15217332Sjkh 152212517Sjulian 152325460Sjoergstatic int 152425460Sjoergscd_toc_entry (int unit, struct ioc_read_toc_single_entry *te) 152525460Sjoerg{ 152625460Sjoerg struct scd_data *cd = scd_data + unit; 152725460Sjoerg struct cd_toc_entry toc_entry; 152825460Sjoerg int rc, i; 152925460Sjoerg 153025460Sjoerg if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 153125460Sjoerg print_error(unit, rc); 153225460Sjoerg return EIO; 153325460Sjoerg } 153425460Sjoerg 153525460Sjoerg /* find the toc to copy*/ 153625460Sjoerg i = te->track; 153725460Sjoerg if (i == SCD_LASTPLUS1) 153825460Sjoerg i = cd->last_track + 1; 153925460Sjoerg 154025460Sjoerg /* verify starting track */ 154125460Sjoerg if (i < cd->first_track || i > cd->last_track+1) 154225460Sjoerg return EINVAL; 154325460Sjoerg 154425460Sjoerg /* copy the toc data */ 154525460Sjoerg toc_entry.control = cd->toc[i].ctl; 154625460Sjoerg toc_entry.addr_type = te->address_format; 154725460Sjoerg toc_entry.track = i; 154825460Sjoerg if (te->address_format == CD_MSF_FORMAT) { 154925460Sjoerg toc_entry.addr.msf.unused = 0; 155025460Sjoerg toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 155125460Sjoerg toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 155225460Sjoerg toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 155325460Sjoerg } 155425460Sjoerg 155525460Sjoerg /* copy the data back */ 155625460Sjoerg bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 155725460Sjoerg 155825460Sjoerg return 0; 155925460Sjoerg} 1560