scd.c revision 74810
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 74810 2001-03-26 12:41:29Z phk $ */ 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 607332Sjkh#include <machine/stdarg.h> 617332Sjkh 627332Sjkh#include <i386/isa/isa_device.h> 637369Sbde#include <i386/isa/scdreg.h> 647332Sjkh 6512502Sjulian 667332Sjkh#define scd_part(dev) ((minor(dev)) & 7) 677332Sjkh#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) 687332Sjkh#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) 697332Sjkh#define RAW_PART 2 707332Sjkh 717332Sjkh/* flags */ 727332Sjkh#define SCDOPEN 0x0001 /* device opened */ 737332Sjkh#define SCDVALID 0x0002 /* parameters loaded */ 747332Sjkh#define SCDINIT 0x0004 /* device is init'd */ 757332Sjkh#define SCDPROBING 0x0020 /* probing */ 767332Sjkh#define SCDTOC 0x0100 /* already read toc */ 777332Sjkh#define SCDMBXBSY 0x0200 /* local mbx is busy */ 787332Sjkh#define SCDSPINNING 0x0400 /* drive is spun up */ 797332Sjkh 807332Sjkh#define SCD_S_BEGIN 0 817332Sjkh#define SCD_S_BEGIN1 1 827332Sjkh#define SCD_S_WAITSTAT 2 837332Sjkh#define SCD_S_WAITFIFO 3 847332Sjkh#define SCD_S_WAITSPIN 4 857332Sjkh#define SCD_S_WAITREAD 5 867332Sjkh#define SCD_S_WAITPARAM 6 877332Sjkh 887332Sjkh#define RDELAY_WAIT 300 897332Sjkh#define RDELAY_WAITREAD 300 907332Sjkh 917332Sjkh#define SCDBLKSIZE 2048 927332Sjkh 937332Sjkh#ifdef SCD_DEBUG 9411872Sphk static int scd_debuglevel = SCD_DEBUG; 957332Sjkh# define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;} 967332Sjkh#else 977332Sjkh# define XDEBUG(level, data) 987332Sjkh#endif 997332Sjkh 1007332Sjkhstruct scd_mbx { 1017332Sjkh short unit; 1027332Sjkh short port; 1037332Sjkh short retry; 1047332Sjkh short nblk; 1057332Sjkh int sz; 1067332Sjkh u_long skip; 10759249Sphk struct bio *bp; 1087332Sjkh int p_offset; 1097332Sjkh short count; 1107332Sjkh}; 1117332Sjkh 11211872Sphkstatic struct scd_data { 1137332Sjkh int iobase; 1147332Sjkh char double_speed; 1157332Sjkh char *name; 1167332Sjkh short flags; 1177332Sjkh int blksize; 1187332Sjkh u_long disksize; 1197332Sjkh struct disklabel dlabel; 1207332Sjkh int openflag; 1217332Sjkh struct { 12236767Sbde unsigned int adr :4; 12336767Sbde unsigned int ctl :4; /* xcdplayer needs this */ 1247332Sjkh unsigned char start_msf[3]; 1257332Sjkh } toc[MAX_TRACKS]; 1267332Sjkh short first_track; 1277332Sjkh short last_track; 1287332Sjkh struct ioc_play_msf last_play; 1298876Srgrimes 1307332Sjkh short audio_status; 13159249Sphk struct bio_queue_head head; /* head of bio queue */ 1327332Sjkh struct scd_mbx mbx; 1337332Sjkh} scd_data[NSCD]; 1347332Sjkh 1357332Sjkh/* prototypes */ 1367332Sjkhstatic void hsg2msf(int hsg, bcd_t *msf); 1377332Sjkhstatic int msf2hsg(bcd_t *msf); 1387332Sjkh 1397332Sjkhstatic void process_attention(unsigned unit); 14035210Sbdestatic __inline void write_control(unsigned port, unsigned data); 1417332Sjkhstatic int waitfor_status_bits(int unit, int bits_set, int bits_clear); 1427332Sjkhstatic int send_cmd(u_int unit, u_char cmd, u_int nargs, ...); 1437332Sjkhstatic void init_drive(unsigned unit); 1447332Sjkhstatic int spin_up(unsigned unit); 14546833Sphkstatic int read_toc(unsigned unit); 1467332Sjkhstatic int get_result(u_int unit, int result_len, u_char *result); 1477332Sjkhstatic void print_error(int unit, int errcode); 1487332Sjkh 1497332Sjkhstatic void scd_start(int unit); 15025056Sbdestatic timeout_t scd_timeout; 1517332Sjkhstatic void scd_doread(int state, struct scd_mbx *mbxin); 1527332Sjkh 1537332Sjkhstatic int scd_eject(int unit); 1547332Sjkhstatic int scd_stop(int unit); 1557332Sjkhstatic int scd_pause(int unit); 1567332Sjkhstatic int scd_resume(int unit); 1577332Sjkhstatic int scd_playtracks(int unit, struct ioc_play_track *pt); 1587332Sjkhstatic int scd_playmsf(int unit, struct ioc_play_msf *msf); 1597332Sjkhstatic int scd_play(int unit, struct ioc_play_msf *msf); 1607332Sjkhstatic int scd_subchan(int unit, struct ioc_read_subchannel *sc); 1617332Sjkhstatic int read_subcode(int unit, struct sony_subchannel_position_data *sc); 1627332Sjkh 1637332Sjkh/* for xcdplayer */ 1647332Sjkhstatic int scd_toc_header(int unit, struct ioc_toc_header *th); 1657332Sjkhstatic int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te); 16625460Sjoergstatic int scd_toc_entry(int unit, struct ioc_read_toc_single_entry *te); 1677332Sjkh#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 1687332Sjkh 16911872Sphkstatic int scd_probe(struct isa_device *dev); 17011872Sphkstatic int scd_attach(struct isa_device *dev); 17161011Speterstruct isa_driver scddriver = { 17261011Speter INTR_TYPE_BIO, 17361011Speter scd_probe, 17461011Speter scd_attach, 17561011Speter "scd" 17661011Speter}; 17761011SpeterCOMPAT_ISA_DRIVER(scd, scddriver); 1787332Sjkh 17929677Sgibbs/* For canceling our timeout */ 18029677Sgibbsstatic struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohanle); 18129677Sgibbs 18212675Sjulianstatic d_open_t scdopen; 18312675Sjulianstatic d_close_t scdclose; 18412675Sjulianstatic d_ioctl_t scdioctl; 18512675Sjulianstatic d_strategy_t scdstrategy; 18612675Sjulian 18712675Sjulian#define CDEV_MAJOR 45 18874810Sphk 18937389Sjulianstatic struct cdevsw scd_cdevsw = { 19047625Sphk /* open */ scdopen, 19147625Sphk /* close */ scdclose, 19247625Sphk /* read */ physread, 19347625Sphk /* write */ nowrite, 19447625Sphk /* ioctl */ scdioctl, 19547625Sphk /* poll */ nopoll, 19647625Sphk /* mmap */ nommap, 19747625Sphk /* strategy */ scdstrategy, 19847625Sphk /* name */ "scd", 19947625Sphk /* maj */ CDEV_MAJOR, 20047625Sphk /* dump */ nodump, 20147625Sphk /* psize */ nopsize, 20247625Sphk /* flags */ D_DISK, 20347625Sphk}; 20412675Sjulian 20537389Sjulian 20642552Seivindstatic int 20742552Seivindscd_attach(struct isa_device *dev) 2087332Sjkh{ 20912675Sjulian int unit = dev->id_unit; 21012675Sjulian struct scd_data *cd = scd_data + unit; 2118876Srgrimes 2127332Sjkh cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ 2137332Sjkh 2147332Sjkh /* name filled in probe */ 2157332Sjkh printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); 2167332Sjkh 2177332Sjkh init_drive(dev->id_unit); 2187332Sjkh 2197332Sjkh cd->flags = SCDINIT; 2207332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 22159249Sphk bioq_init(&cd->head); 2227332Sjkh 22350254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0), 22450254Sphk UID_ROOT, GID_OPERATOR, 0640, "rscd%da", unit); 22550254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 22650254Sphk UID_ROOT, GID_OPERATOR, 0640, "rscd%dc", unit); 22750254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0), 22850254Sphk UID_ROOT, GID_OPERATOR, 0640, "scd%da", unit); 22950254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 23050254Sphk UID_ROOT, GID_OPERATOR, 0640, "scd%dc", unit); 2317332Sjkh return 1; 2327332Sjkh} 2337332Sjkh 23412675Sjulianstatic int 23510624Sbdescdopen(dev_t dev, int flags, int fmt, struct proc *p) 2367332Sjkh{ 2377332Sjkh int unit,part,phys; 2387332Sjkh int rc; 2397332Sjkh struct scd_data *cd; 2408876Srgrimes 2417332Sjkh unit = scd_unit(dev); 2427332Sjkh if (unit >= NSCD) 2437332Sjkh return ENXIO; 2447332Sjkh 2457332Sjkh cd = scd_data + unit; 2467332Sjkh part = scd_part(dev); 2477332Sjkh phys = scd_phys(dev); 2488876Srgrimes 2497332Sjkh /* not initialized*/ 2507332Sjkh if (!(cd->flags & SCDINIT)) 2517332Sjkh return ENXIO; 2527332Sjkh 2537332Sjkh /* invalidated in the meantime? mark all open part's invalid */ 2547332Sjkh if (cd->openflag) 2557332Sjkh return ENXIO; 2567332Sjkh 2577332Sjkh XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS))); 2587332Sjkh 2597332Sjkh if ((rc = spin_up(unit)) != 0) { 2607332Sjkh print_error(unit, rc); 2617332Sjkh return EIO; 2627332Sjkh } 2637332Sjkh if (!(cd->flags & SCDTOC)) { 2647332Sjkh int loop_count = 3; 2657332Sjkh 26646833Sphk while (loop_count-- > 0 && (rc = read_toc(unit)) != 0) { 2677332Sjkh if (rc == ERR_NOT_SPINNING) { 2687332Sjkh rc = spin_up(unit); 2697332Sjkh if (rc) { 2707332Sjkh print_error(unit, rc);\ 2717332Sjkh return EIO; 2727332Sjkh } 2737332Sjkh continue; 2747332Sjkh } 2757332Sjkh printf("scd%d: TOC read error 0x%x\n", unit, rc); 2767332Sjkh return EIO; 2777332Sjkh } 2787332Sjkh } 2797332Sjkh 28051111Sjulian dev->si_bsize_phys = cd->blksize; 28151111Sjulian 2827332Sjkh cd->openflag = 1; 2837332Sjkh cd->flags |= SCDVALID; 2847332Sjkh 2857332Sjkh return 0; 2867332Sjkh} 2877332Sjkh 28812675Sjulianstatic int 28910624Sbdescdclose(dev_t dev, int flags, int fmt, struct proc *p) 2907332Sjkh{ 2917332Sjkh int unit,part,phys; 2927332Sjkh struct scd_data *cd; 2938876Srgrimes 2947332Sjkh unit = scd_unit(dev); 2957332Sjkh if (unit >= NSCD) 2967332Sjkh return ENXIO; 2977332Sjkh 2987332Sjkh cd = scd_data + unit; 2997332Sjkh part = scd_part(dev); 3007332Sjkh phys = scd_phys(dev); 3018876Srgrimes 3028876Srgrimes if (!(cd->flags & SCDINIT) || !cd->openflag) 3037332Sjkh return ENXIO; 3047332Sjkh 3057332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) { 3067332Sjkh (void)send_cmd(unit, CMD_SPIN_DOWN, 0); 3077332Sjkh cd->flags &= ~SCDSPINNING; 3087332Sjkh } 3097332Sjkh 3107332Sjkh 3117332Sjkh /* close channel */ 3127332Sjkh cd->openflag = 0; 3137332Sjkh 3147332Sjkh return 0; 3157332Sjkh} 3167332Sjkh 31712675Sjulianstatic void 31859249Sphkscdstrategy(struct bio *bp) 3197332Sjkh{ 3207332Sjkh struct scd_data *cd; 3217332Sjkh int s; 32259249Sphk int unit = scd_unit(bp->bio_dev); 3237332Sjkh 3247332Sjkh cd = scd_data + unit; 3257332Sjkh 32637618Sbde XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", 32759249Sphk unit, (long)bp->bio_blkno, bp->bio_bcount)); 3287332Sjkh 32959249Sphk if (unit >= NSCD || bp->bio_blkno < 0 || (bp->bio_bcount % SCDBLKSIZE)) { 3308376Srgrimes printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n", 33159249Sphk unit, (long)bp->bio_blkno, bp->bio_bcount); 33259249Sphk bp->bio_error = EINVAL; 33359249Sphk bp->bio_flags |= BIO_ERROR; 3347332Sjkh goto bad; 3357332Sjkh } 3367332Sjkh 3377332Sjkh /* if device invalidated (e.g. media change, door open), error */ 3387332Sjkh if (!(cd->flags & SCDVALID)) { 3397332Sjkh printf("scd%d: media changed\n", unit); 34059249Sphk bp->bio_error = EIO; 3417332Sjkh goto bad; 3427332Sjkh } 3437332Sjkh 3447332Sjkh /* read only */ 34559249Sphk if (!(bp->bio_cmd == BIO_READ)) { 34659249Sphk bp->bio_error = EROFS; 3477332Sjkh goto bad; 3487332Sjkh } 3498876Srgrimes 3507332Sjkh /* no data to read */ 35159249Sphk if (bp->bio_bcount == 0) 3527332Sjkh goto done; 3538876Srgrimes 3547332Sjkh if (!(cd->flags & SCDTOC)) { 35559249Sphk bp->bio_error = EIO; 3567332Sjkh goto bad; 3577332Sjkh } 3587332Sjkh /* adjust transfer if necessary */ 3597332Sjkh if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) 3607332Sjkh goto done; 3617332Sjkh 36259249Sphk bp->bio_pblkno = bp->bio_blkno; 36359249Sphk bp->bio_resid = 0; 3648876Srgrimes 3657332Sjkh /* queue it */ 3667332Sjkh s = splbio(); 36759249Sphk bioqdisksort(&cd->head, bp); 3687332Sjkh splx(s); 3698876Srgrimes 3707332Sjkh /* now check whether we can perform processing */ 3717332Sjkh scd_start(unit); 3727332Sjkh return; 3737332Sjkh 3747332Sjkhbad: 37559249Sphk bp->bio_flags |= BIO_ERROR; 3767332Sjkhdone: 37759249Sphk bp->bio_resid = bp->bio_bcount; 3787332Sjkh biodone(bp); 3797332Sjkh return; 3807332Sjkh} 3817332Sjkh 3827332Sjkhstatic void 3837332Sjkhscd_start(int unit) 3847332Sjkh{ 3857332Sjkh struct scd_data *cd = scd_data + unit; 38659249Sphk struct bio *bp; 3877332Sjkh struct partition *p; 38846573Speter int s = splbio(); 3898876Srgrimes 3907332Sjkh if (cd->flags & SCDMBXBSY) { 3917332Sjkh splx(s); 3927332Sjkh return; 3937332Sjkh } 3947332Sjkh 39559249Sphk bp = bioq_first(&cd->head); 39615574Sphk if (bp != 0) { 3977332Sjkh /* block found to process, dequeue */ 39859249Sphk bioq_remove(&cd->head, bp); 3997332Sjkh cd->flags |= SCDMBXBSY; 4007332Sjkh splx(s); 4017332Sjkh } else { 4027332Sjkh /* nothing to do */ 4037332Sjkh splx(s); 4047332Sjkh return; 4057332Sjkh } 4067332Sjkh 40759249Sphk p = cd->dlabel.d_partitions + scd_part(bp->bio_dev); 4087332Sjkh 4097332Sjkh cd->mbx.unit = unit; 4107332Sjkh cd->mbx.port = cd->iobase; 4117332Sjkh cd->mbx.retry = 3; 4127332Sjkh cd->mbx.bp = bp; 4137332Sjkh cd->mbx.p_offset = p->p_offset; 4147332Sjkh splx(s); 4157332Sjkh 4167332Sjkh scd_doread(SCD_S_BEGIN,&(cd->mbx)); 4177332Sjkh return; 4187332Sjkh} 4197332Sjkh 42012675Sjulianstatic int 42136735Sdfrscdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p) 4227332Sjkh{ 4237332Sjkh struct scd_data *cd; 4247332Sjkh int unit,part; 4258876Srgrimes 4267332Sjkh unit = scd_unit(dev); 4277332Sjkh part = scd_part(dev); 4287332Sjkh cd = scd_data + unit; 4297332Sjkh 43037618Sbde XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd)); 4317332Sjkh 4327332Sjkh if (!(cd->flags & SCDVALID)) 4337332Sjkh return EIO; 4347332Sjkh 4357332Sjkh switch (cmd) { 4367332Sjkh case DIOCGDINFO: 4377332Sjkh *(struct disklabel *)addr = cd->dlabel; 4387332Sjkh return 0; 4397332Sjkh case DIOCGPART: 4407332Sjkh ((struct partinfo *)addr)->disklab = &cd->dlabel; 4417332Sjkh ((struct partinfo *)addr)->part = 4427332Sjkh &cd->dlabel.d_partitions[0]; 4437332Sjkh return 0; 4447332Sjkh case CDIOCPLAYTRACKS: 4457332Sjkh return scd_playtracks(unit, (struct ioc_play_track *) addr); 4467332Sjkh case CDIOCPLAYBLOCKS: 4477332Sjkh return EINVAL; 4487332Sjkh case CDIOCPLAYMSF: 4497332Sjkh return scd_playmsf(unit, (struct ioc_play_msf *) addr); 4507332Sjkh case CDIOCREADSUBCHANNEL: 4517332Sjkh return scd_subchan(unit, (struct ioc_read_subchannel *) addr); 4527332Sjkh case CDIOREADTOCHEADER: 4537332Sjkh return scd_toc_header (unit, (struct ioc_toc_header *) addr); 4547332Sjkh case CDIOREADTOCENTRYS: 4557332Sjkh return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr); 45625460Sjoerg case CDIOREADTOCENTRY: 45725460Sjoerg return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr); 4587332Sjkh case CDIOCSETPATCH: 4597332Sjkh case CDIOCGETVOL: 4607332Sjkh case CDIOCSETVOL: 4617332Sjkh case CDIOCSETMONO: 4627332Sjkh case CDIOCSETSTERIO: 4637332Sjkh case CDIOCSETMUTE: 4647332Sjkh case CDIOCSETLEFT: 4657332Sjkh case CDIOCSETRIGHT: 4667332Sjkh return EINVAL; 4677332Sjkh case CDIOCRESUME: 4687332Sjkh return scd_resume(unit); 4697332Sjkh case CDIOCPAUSE: 4707332Sjkh return scd_pause(unit); 4717332Sjkh case CDIOCSTART: 4727332Sjkh return EINVAL; 4737332Sjkh case CDIOCSTOP: 4747332Sjkh return scd_stop(unit); 4757332Sjkh case CDIOCEJECT: 4767332Sjkh return scd_eject(unit); 4777332Sjkh case CDIOCALLOW: 4787332Sjkh return 0; 4797332Sjkh case CDIOCSETDEBUG: 4807332Sjkh#ifdef SCD_DEBUG 4817332Sjkh scd_debuglevel++; 4827332Sjkh#endif 4837332Sjkh return 0; 4847332Sjkh case CDIOCCLRDEBUG: 4857332Sjkh#ifdef SCD_DEBUG 4867332Sjkh scd_debuglevel = 0; 4877332Sjkh 4887332Sjkh#endif 4897332Sjkh return 0; 4907332Sjkh default: 49137618Sbde printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd); 4927332Sjkh return ENOTTY; 4937332Sjkh } 4947332Sjkh} 4957332Sjkh 4967332Sjkh/*************************************************************** 4977332Sjkh * lower level of driver starts here 4987332Sjkh **************************************************************/ 4997332Sjkh 5007332Sjkhstatic int 5017332Sjkhscd_playtracks(int unit, struct ioc_play_track *pt) 5027332Sjkh{ 5037332Sjkh struct scd_data *cd = scd_data + unit; 5047332Sjkh struct ioc_play_msf msf; 5057332Sjkh int a = pt->start_track; 5067332Sjkh int z = pt->end_track; 50711872Sphk int rc; 5087332Sjkh 5097332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 5107332Sjkh if (rc == -ERR_NOT_SPINNING) { 5117332Sjkh if (spin_up(unit) != 0) 5127332Sjkh return EIO; 5137332Sjkh rc = read_toc(unit); 5147332Sjkh } 5157332Sjkh if (rc != 0) { 5167332Sjkh print_error(unit, rc); 5177332Sjkh return EIO; 5187332Sjkh } 5197332Sjkh } 5207332Sjkh 5217332Sjkh XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit, 5227332Sjkh a, pt->start_index, z, pt->end_index)); 5237332Sjkh 5247332Sjkh if ( a < cd->first_track 5257332Sjkh || a > cd->last_track 5267332Sjkh || a > z 5277332Sjkh || z > cd->last_track) 5287332Sjkh return EINVAL; 5297332Sjkh 5307332Sjkh bcopy(cd->toc[a].start_msf, &msf.start_m, 3); 5317332Sjkh hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m); 5327332Sjkh 5337332Sjkh return scd_play(unit, &msf); 5347332Sjkh} 5357332Sjkh 5367332Sjkh/* The start/end msf is expected to be in bin format */ 5377332Sjkhstatic int 5387332Sjkhscd_playmsf(int unit, struct ioc_play_msf *msfin) 5397332Sjkh{ 5407332Sjkh struct ioc_play_msf msf; 5417332Sjkh 5427332Sjkh msf.start_m = bin2bcd(msfin->start_m); 5437332Sjkh msf.start_s = bin2bcd(msfin->start_s); 5447332Sjkh msf.start_f = bin2bcd(msfin->start_f); 5457332Sjkh msf.end_m = bin2bcd(msfin->end_m); 5467332Sjkh msf.end_s = bin2bcd(msfin->end_s); 5477332Sjkh msf.end_f = bin2bcd(msfin->end_f); 5487332Sjkh 5497332Sjkh return scd_play(unit, &msf); 5507332Sjkh} 5517332Sjkh 5527332Sjkh/* The start/end msf is expected to be in bcd format */ 5537332Sjkhstatic int 5547332Sjkhscd_play(int unit, struct ioc_play_msf *msf) 5557332Sjkh{ 5567332Sjkh struct scd_data *cd = scd_data + unit; 5577332Sjkh int i, rc; 5587332Sjkh 5597332Sjkh XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit, 5607332Sjkh msf->start_m, msf->start_s, msf->start_f, 5617332Sjkh msf->end_m, msf->end_s, msf->end_f)); 5627332Sjkh 5637332Sjkh for (i = 0; i < 2; i++) { 5647332Sjkh rc = send_cmd(unit, CMD_PLAY_AUDIO, 7, 5657332Sjkh 0x03, 5667332Sjkh msf->start_m, msf->start_s, msf->start_f, 5677332Sjkh msf->end_m, msf->end_s, msf->end_f); 5687332Sjkh if (rc == -ERR_NOT_SPINNING) { 5697332Sjkh cd->flags &= ~SCDSPINNING; 5707332Sjkh if (spin_up(unit) != 0) 5717332Sjkh return EIO; 5727332Sjkh } else if (rc < 0) { 5737332Sjkh print_error(unit, rc); 5747332Sjkh return EIO; 5757332Sjkh } else { 5767332Sjkh break; 5777332Sjkh } 5787332Sjkh } 5797332Sjkh cd->audio_status = CD_AS_PLAY_IN_PROGRESS; 5807332Sjkh bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf)); 5817332Sjkh return 0; 5827332Sjkh} 5837332Sjkh 5847332Sjkhstatic int 5857332Sjkhscd_stop(int unit) 5867332Sjkh{ 5877332Sjkh struct scd_data *cd = scd_data + unit; 5887332Sjkh 5897332Sjkh (void)send_cmd(unit, CMD_STOP_AUDIO, 0); 5907332Sjkh cd->audio_status = CD_AS_PLAY_COMPLETED; 5917332Sjkh return 0; 5927332Sjkh} 5937332Sjkh 5947332Sjkhstatic int 5957332Sjkhscd_pause(int unit) 5967332Sjkh{ 5977332Sjkh struct scd_data *cd = scd_data + unit; 5987332Sjkh struct sony_subchannel_position_data subpos; 5997332Sjkh 6007332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) 6017332Sjkh return EINVAL; 6027332Sjkh 6037332Sjkh if (read_subcode(unit, &subpos) != 0) 6047332Sjkh return EIO; 6057332Sjkh 6067332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0) 6077332Sjkh return EIO; 6088876Srgrimes 6097332Sjkh cd->last_play.start_m = subpos.abs_msf[0]; 6107332Sjkh cd->last_play.start_s = subpos.abs_msf[1]; 6117332Sjkh cd->last_play.start_f = subpos.abs_msf[2]; 6127332Sjkh cd->audio_status = CD_AS_PLAY_PAUSED; 6137332Sjkh 6147332Sjkh XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit, 6157332Sjkh cd->last_play.start_m, 6167332Sjkh cd->last_play.start_s, 6177332Sjkh cd->last_play.start_f)); 6187332Sjkh 6197332Sjkh return 0; 6207332Sjkh} 6217332Sjkh 6227332Sjkhstatic int 6237332Sjkhscd_resume(int unit) 6247332Sjkh{ 6257332Sjkh if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED) 6267332Sjkh return EINVAL; 6277332Sjkh return scd_play(unit, &scd_data[unit].last_play); 6287332Sjkh} 6297332Sjkh 6307332Sjkhstatic int 6317332Sjkhscd_eject(int unit) 6327332Sjkh{ 6337332Sjkh struct scd_data *cd = scd_data + unit; 6347332Sjkh 6357332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 6367332Sjkh cd->flags &= ~(SCDSPINNING|SCDTOC); 6377332Sjkh 6387332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 || 6397332Sjkh send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 || 6407332Sjkh send_cmd(unit, CMD_EJECT, 0) != 0) 6417332Sjkh { 6427332Sjkh return EIO; 6437332Sjkh } 6447332Sjkh return 0; 6457332Sjkh} 6467332Sjkh 6477332Sjkhstatic int 6487332Sjkhscd_subchan(int unit, struct ioc_read_subchannel *sc) 6497332Sjkh{ 6507332Sjkh struct scd_data *cd = scd_data + unit; 6517332Sjkh struct sony_subchannel_position_data q; 6527332Sjkh struct cd_sub_channel_info data; 6537332Sjkh 6547332Sjkh XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit, 6557332Sjkh sc->address_format, 6567332Sjkh sc->data_format)); 6577332Sjkh 6587332Sjkh if (sc->address_format != CD_MSF_FORMAT) 6597332Sjkh return EINVAL; 6607332Sjkh 6617332Sjkh if (sc->data_format != CD_CURRENT_POSITION) 6627332Sjkh return EINVAL; 6637332Sjkh 6647332Sjkh if (read_subcode(unit, &q) != 0) 6657332Sjkh return EIO; 6667332Sjkh 6677332Sjkh data.header.audio_status = cd->audio_status; 6687332Sjkh data.what.position.data_format = CD_MSF_FORMAT; 6697332Sjkh data.what.position.track_number = bcd2bin(q.track_number); 6707332Sjkh data.what.position.reladdr.msf.unused = 0; 6717332Sjkh data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 6727332Sjkh data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 6737332Sjkh data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 6747332Sjkh data.what.position.absaddr.msf.unused = 0; 6757332Sjkh data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 6767332Sjkh data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 6777332Sjkh data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 6787332Sjkh 6797332Sjkh if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) 6807332Sjkh return EFAULT; 6817332Sjkh return 0; 6827332Sjkh} 6837332Sjkh 68442552Seivindstatic __inline void 68542552Seivindwrite_control(unsigned port, unsigned data) 68642552Seivind{ 68742552Seivind outb(port + OREG_CONTROL, data); 68842552Seivind} 68942552Seivind 69042552Seivindstatic int 6917332Sjkhscd_probe(struct isa_device *dev) 6927332Sjkh{ 6937332Sjkh struct sony_drive_configuration drive_config; 6947332Sjkh int unit = dev->id_unit; 6957332Sjkh int rc; 6967332Sjkh static char namebuf[8+16+8+3]; 6977332Sjkh char *s = namebuf; 6987332Sjkh int loop_count = 0; 69947640Sphk static int once; 7007332Sjkh 70147640Sphk if (!once++) 70247640Sphk cdevsw_add(&scd_cdevsw); 70347640Sphk 7047332Sjkh scd_data[unit].flags = SCDPROBING; 7057332Sjkh scd_data[unit].iobase = dev->id_iobase; 7067332Sjkh 7077332Sjkh bzero(&drive_config, sizeof(drive_config)); 7087332Sjkh 7097332Sjkhagain: 7107332Sjkh /* Reset drive */ 7117332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7127332Sjkh 7137332Sjkh /* Calm down */ 7147332Sjkh DELAY(300000); 7157332Sjkh 7167332Sjkh /* Only the ATTENTION bit may be set */ 7177332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7187332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7197332Sjkh return 0; 7207332Sjkh } 7217332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7227332Sjkh if (rc != sizeof(drive_config)) { 7237332Sjkh /* Sometimes if the drive is playing audio I get */ 7247332Sjkh /* the bad result 82. Fix by repeating the reset */ 7257332Sjkh if (rc > 0 && loop_count++ == 0) 7267332Sjkh goto again; 7277332Sjkh return 0; 7287332Sjkh } 7297332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7307332Sjkh return 0; 7317332Sjkh 7327332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7337332Sjkh s = namebuf+8; 7347332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7357332Sjkh s--; 7367332Sjkh *s++ = ' '; 7377332Sjkh bcopy(drive_config.product, s, 16); 7387332Sjkh s += 16; 7397332Sjkh while (*(s-1) == ' ') 7407332Sjkh s--; 7417332Sjkh *s++ = ' '; 7427332Sjkh bcopy(drive_config.revision, s, 8); 7437332Sjkh s += 8; 7447332Sjkh while (*(s-1) == ' ') 7457332Sjkh s--; 7467332Sjkh *s = 0; 7477332Sjkh 7487332Sjkh scd_data[unit].name = namebuf; 7497332Sjkh 7507332Sjkh if (drive_config.config & 0x10) 7517332Sjkh scd_data[unit].double_speed = 1; 7527332Sjkh else 7537332Sjkh scd_data[unit].double_speed = 0; 7547332Sjkh 7557332Sjkh return 4; 7567332Sjkh} 7577332Sjkh 7587332Sjkhstatic int 7597332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7607332Sjkh{ 7617332Sjkh int rc; 7627332Sjkh 7637332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7647332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7657332Sjkh return EIO; 7667332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7677332Sjkh return EIO; 7687332Sjkh return 0; 7697332Sjkh} 7707332Sjkh 7717332Sjkh/* State machine copied from mcd.c */ 7727332Sjkh 7737332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7747332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7757332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7767332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7777332Sjkh 7787332Sjkh/* state machine to process read requests 7797332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7807332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7817332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7827332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7837332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7847332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7857332Sjkh */ 7867332Sjkh 7877332Sjkhstatic struct scd_mbx *mbxsave; 7887332Sjkh 7897332Sjkhstatic void 79025056Sbdescd_timeout(void *arg) 79125056Sbde{ 79225056Sbde scd_doread((int)arg, mbxsave); 79325056Sbde} 79425056Sbde 79525056Sbdestatic void 7967332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7977332Sjkh{ 7987332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 7997332Sjkh int unit = mbx->unit; 8007332Sjkh int port = mbx->port; 80159249Sphk struct bio *bp = mbx->bp; 8027332Sjkh struct scd_data *cd = scd_data + unit; 80311872Sphk int reg,i; 8047332Sjkh int blknum; 8057332Sjkh caddr_t addr; 8067332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 8077332Sjkh 8087332Sjkhloop: 8097332Sjkh switch (state) { 8107332Sjkh case SCD_S_BEGIN: 8117332Sjkh mbx = mbxsave = mbxin; 8127332Sjkh 8137332Sjkh case SCD_S_BEGIN1: 8147332Sjkh /* get status */ 8157332Sjkh mbx->count = RDELAY_WAIT; 8167332Sjkh 8177332Sjkh process_attention(unit); 8187332Sjkh goto trystat; 8197332Sjkh 8207332Sjkh case SCD_S_WAITSTAT: 82129677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle); 8227332Sjkh if (mbx->count-- <= 0) { 8237332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8247332Sjkh goto harderr; 8257332Sjkh } 8267332Sjkh 8277332Sjkhtrystat: 8287332Sjkh if (IS_BUSY(port)) { 82929677Sgibbs tohandle = timeout(scd_timeout, 83029677Sgibbs (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8317332Sjkh return; 8327332Sjkh } 8338876Srgrimes 8347332Sjkh process_attention(unit); 8357332Sjkh 8367332Sjkh /* reject, if audio active */ 8377332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8387332Sjkh printf("scd%d: audio is active\n",unit); 8397332Sjkh goto harderr; 8407332Sjkh } 8417332Sjkh 8427332Sjkh mbx->sz = cd->blksize; 8437332Sjkh 8447332Sjkh /* for first block */ 84559249Sphk mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 8467332Sjkh mbx->skip = 0; 8477332Sjkh 8487332Sjkhnextblock: 8497332Sjkh if (!(cd->flags & SCDVALID)) 8507332Sjkh goto changed; 8517332Sjkh 85259249Sphk blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE)) 8537332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8547332Sjkh 8557332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8567332Sjkh 8577332Sjkh /* build parameter block */ 8587332Sjkh hsg2msf(blknum, sdata); 8597332Sjkh 8607332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8617332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8627332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8637332Sjkh 8647332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8657332Sjkh goto writeparam; 8667332Sjkh 8677332Sjkh mbx->count = 100; 86829677Sgibbs tohandle = timeout(scd_timeout, 86929677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8707332Sjkh return; 8717332Sjkh 8727332Sjkh case SCD_S_WAITSPIN: 87329677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle); 8747332Sjkh if (mbx->count-- <= 0) { 8757332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8767332Sjkh goto harderr; 8777332Sjkh } 8787332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 87929677Sgibbs tohandle = timeout(scd_timeout, 88029677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8817332Sjkh return; 8827332Sjkh } 8837332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8847332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8857332Sjkh case 0x20: 8867332Sjkh i = inb(port+IREG_RESULT); 8877332Sjkh print_error(unit, i); 8887332Sjkh goto harderr; 8897332Sjkh case 0x00: 8907332Sjkh (void)inb(port+IREG_RESULT); 8917332Sjkh cd->flags |= SCDSPINNING; 8927332Sjkh break; 8937332Sjkh } 8947332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8957332Sjkh 8967332Sjkh state = SCD_S_BEGIN1; 8977332Sjkh goto loop; 8987332Sjkh 8997332Sjkh case SCD_S_WAITFIFO: 90029677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle); 9017332Sjkh if (mbx->count-- <= 0) { 9027332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 9037332Sjkh goto harderr; 9047332Sjkh } 9057332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 90629677Sgibbs tohandle = timeout(scd_timeout, 90729677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 9087332Sjkh return; 9097332Sjkh } 9107332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9117332Sjkh 9127332Sjkhwriteparam: 9137332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9147332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9157332Sjkh if (!(cd->flags & SCDSPINNING)) { 9167332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9177332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9187332Sjkh mbx->count = 300; 91929677Sgibbs tohandle = timeout(scd_timeout, 92029677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9217332Sjkh return; 9227332Sjkh } 9237332Sjkh 9247332Sjkh reg = port + OREG_WPARAMS; 9257332Sjkh /* send the read command */ 9267332Sjkh disable_intr(); 9277332Sjkh outb(reg, sdata[0]); 9287332Sjkh outb(reg, sdata[1]); 9297332Sjkh outb(reg, sdata[2]); 9307332Sjkh outb(reg, 0); 9317332Sjkh outb(reg, 0); 9327332Sjkh outb(reg, 1); 9337332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9347332Sjkh enable_intr(); 9357332Sjkh 9367332Sjkh mbx->count = RDELAY_WAITREAD; 9377332Sjkh for (i = 0; i < 50; i++) { 9387332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9397332Sjkh goto got_data; 9407332Sjkh DELAY(100); 9417332Sjkh } 9427332Sjkh 94329677Sgibbs tohandle = timeout(scd_timeout, 94429677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9457332Sjkh return; 9467332Sjkh 9477332Sjkh case SCD_S_WAITREAD: 94829677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle); 9497332Sjkh if (mbx->count-- <= 0) { 9507332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9517332Sjkh goto got_param; 9527332Sjkh printf("scd%d: timeout while reading data\n",unit); 9537332Sjkh goto readerr; 9547332Sjkh } 9557332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9567332Sjkh process_attention(unit); 9577332Sjkh if (!(cd->flags & SCDVALID)) 9587332Sjkh goto changed; 95929677Sgibbs tohandle = timeout(scd_timeout, 96029677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9617332Sjkh return; 9627332Sjkh } 9637332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9647332Sjkh 9657332Sjkhgot_data: 9667332Sjkh /* data is ready */ 96759249Sphk addr = bp->bio_data + mbx->skip; 9687332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9697332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9707332Sjkh 9717332Sjkh mbx->count = 100; 9727332Sjkh for (i = 0; i < 20; i++) { 9737332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9747332Sjkh goto waitfor_param; 9757332Sjkh DELAY(100); 9767332Sjkh } 9777332Sjkh goto waitfor_param; 9787332Sjkh 9797332Sjkh case SCD_S_WAITPARAM: 98029677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle); 9817332Sjkh if (mbx->count-- <= 0) { 9827332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9837332Sjkh goto readerr; 9847332Sjkh } 9857332Sjkh 9867332Sjkhwaitfor_param: 9877332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 98829677Sgibbs tohandle = timeout(scd_timeout, 98929677Sgibbs (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9907332Sjkh return; 9917332Sjkh } 9927332Sjkh#if SCD_DEBUG 9937332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9947332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9957332Sjkh#endif 9967332Sjkh 9977332Sjkhgot_param: 9987332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 9997332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 10007332Sjkh case 0x50: 10017332Sjkh switch (i) { 10027332Sjkh case ERR_FATAL_READ_ERROR1: 10037332Sjkh case ERR_FATAL_READ_ERROR2: 10047332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 10057332Sjkh goto harderr; 10067332Sjkh } 10077332Sjkh break; 10087332Sjkh case 0x20: 10097332Sjkh i = inb(port+IREG_RESULT); 10107332Sjkh switch (i) { 10117332Sjkh case ERR_NOT_SPINNING: 10127332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10137332Sjkh if (mbx->retry-- > 0) { 10147332Sjkh state = SCD_S_BEGIN1; 10157332Sjkh cd->flags &= ~SCDSPINNING; 10167332Sjkh goto loop; 10177332Sjkh } 10187332Sjkh goto harderr; 10197332Sjkh default: 10207332Sjkh print_error(unit, i); 10217332Sjkh goto readerr; 10227332Sjkh } 10237332Sjkh case 0x00: 10247332Sjkh i = inb(port+IREG_RESULT); 10257332Sjkh break; 10267332Sjkh } 10277332Sjkh 10287332Sjkh if (--mbx->nblk > 0) { 10297332Sjkh mbx->skip += mbx->sz; 10307332Sjkh goto nextblock; 10317332Sjkh } 10327332Sjkh 10337332Sjkh /* return buffer */ 103459249Sphk bp->bio_resid = 0; 10357332Sjkh biodone(bp); 10367332Sjkh 10377332Sjkh cd->flags &= ~SCDMBXBSY; 10387332Sjkh scd_start(mbx->unit); 10397332Sjkh return; 10407332Sjkh } 10417332Sjkh 10427332Sjkhreaderr: 10437332Sjkh if (mbx->retry-- > 0) { 10447332Sjkh printf("scd%d: retrying ...\n",unit); 10457332Sjkh state = SCD_S_BEGIN1; 10467332Sjkh goto loop; 10477332Sjkh } 10487332Sjkhharderr: 10497332Sjkh /* invalidate the buffer */ 105059249Sphk bp->bio_error = EIO; 105159249Sphk bp->bio_flags |= BIO_ERROR; 105259249Sphk bp->bio_resid = bp->bio_bcount; 10537332Sjkh biodone(bp); 10547332Sjkh 10557332Sjkh cd->flags &= ~SCDMBXBSY; 10567332Sjkh scd_start(mbx->unit); 10577332Sjkh return; 10587332Sjkh 10597332Sjkhchanged: 10607332Sjkh printf("scd%d: media changed\n", unit); 10617332Sjkh goto harderr; 10627332Sjkh} 10637332Sjkh 10647332Sjkhstatic void 10657332Sjkhhsg2msf(int hsg, bcd_t *msf) 10667332Sjkh{ 10677332Sjkh hsg += 150; 10687332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10697332Sjkh hsg %= 4500; 10707332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10717332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10727332Sjkh} 10737332Sjkh 10747332Sjkhstatic int 10757332Sjkhmsf2hsg(bcd_t *msf) 10767332Sjkh{ 10777332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10787332Sjkh bcd2bin(S_msf(msf))) * 75 + 10797332Sjkh bcd2bin(F_msf(msf)) - 150; 10807332Sjkh} 10817332Sjkh 10827332Sjkhstatic void 10837332Sjkhprocess_attention(unsigned unit) 10847332Sjkh{ 10857332Sjkh unsigned port = scd_data[unit].iobase; 10867332Sjkh unsigned char code; 10877332Sjkh int count = 0; 10887332Sjkh 10897332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 10907332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 10917332Sjkh code = inb(port+IREG_RESULT); 10927332Sjkh 10937332Sjkh#if SCD_DEBUG 10947332Sjkh if (scd_debuglevel > 0) { 10957332Sjkh if (count == 1) 10967332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 10977332Sjkh else 10987332Sjkh printf(",0x%x", code); 10997332Sjkh } 11007332Sjkh#endif 11017332Sjkh 11027332Sjkh switch (code) { 11037332Sjkh case ATTEN_SPIN_DOWN: 11047332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 11057332Sjkh break; 11067332Sjkh 11077332Sjkh case ATTEN_SPIN_UP_DONE: 11087332Sjkh scd_data[unit].flags |= SCDSPINNING; 11097332Sjkh break; 11107332Sjkh 11117332Sjkh case ATTEN_AUDIO_DONE: 11127332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11137332Sjkh break; 11147332Sjkh 11157332Sjkh case ATTEN_DRIVE_LOADED: 11167332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11177332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11187332Sjkh break; 11197332Sjkh 11207332Sjkh case ATTEN_EJECT_PUSHED: 11217332Sjkh scd_data[unit].flags &= ~SCDVALID; 11227332Sjkh break; 11237332Sjkh } 11247332Sjkh DELAY(100); 11257332Sjkh } 11267332Sjkh#if SCD_DEBUG 11277332Sjkh if (scd_debuglevel > 0 && count > 0) 11287332Sjkh printf("\n"); 11297332Sjkh#endif 11307332Sjkh} 11317332Sjkh 11327332Sjkh/* Returns 0 OR sony error code */ 11337332Sjkhstatic int 11347332Sjkhspin_up(unsigned unit) 11357332Sjkh{ 11367332Sjkh unsigned char res_reg[12]; 11377332Sjkh unsigned int res_size; 11387332Sjkh int rc; 11397332Sjkh int loop_count = 0; 11407332Sjkh 11417332Sjkhagain: 114217108Sbde rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 11437332Sjkh if (rc != 0) { 11447332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11457332Sjkh return rc; 11467332Sjkh } 11477332Sjkh 11487332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11497332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11507332Sjkh if (rc == ERR_NOT_SPINNING) { 11517332Sjkh if (loop_count++ < 3) 11527332Sjkh goto again; 11537332Sjkh return rc; 11547332Sjkh } 11557332Sjkh if (rc != 0) 11567332Sjkh return rc; 11577332Sjkh } 11587332Sjkh 11597332Sjkh scd_data[unit].flags |= SCDSPINNING; 11607332Sjkh 11617332Sjkh return 0; 11627332Sjkh} 11637332Sjkh 11647332Sjkhstatic struct sony_tracklist * 11657332Sjkhget_tl(struct sony_toc *toc, int size) 11667332Sjkh{ 11677332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11687332Sjkh 11697332Sjkh if (tl->track != 0xb0) 11707332Sjkh return tl; 11717332Sjkh (char *)tl += 9; 11728876Srgrimes if (tl->track != 0xb1) 11737332Sjkh return tl; 11747332Sjkh (char *)tl += 9; 11758876Srgrimes if (tl->track != 0xb2) 11767332Sjkh return tl; 11777332Sjkh (char *)tl += 9; 11788876Srgrimes if (tl->track != 0xb3) 11797332Sjkh return tl; 11807332Sjkh (char *)tl += 9; 11818876Srgrimes if (tl->track != 0xb4) 11827332Sjkh return tl; 11837332Sjkh (char *)tl += 9; 11848876Srgrimes if (tl->track != 0xc0) 11857332Sjkh return tl; 11867332Sjkh (char *)tl += 9; 11877332Sjkh return tl; 11887332Sjkh} 11897332Sjkh 11907332Sjkhstatic int 119146833Sphkread_toc(unsigned unit) 11927332Sjkh{ 11937332Sjkh struct scd_data *cd; 11947332Sjkh unsigned part = 0; /* For now ... */ 11957332Sjkh struct sony_toc toc; 11967332Sjkh struct sony_tracklist *tl; 11977332Sjkh int rc, i, j; 11987332Sjkh u_long first, last; 11997332Sjkh 12007332Sjkh cd = scd_data + unit; 12017332Sjkh 12027332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 12037332Sjkh if (rc < 0) 12047332Sjkh return rc; 12057332Sjkh if (rc > sizeof(toc)) { 12067332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 12077332Sjkh return EIO; 12087332Sjkh } 12097332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12107332Sjkh return EIO; 12117332Sjkh 12127332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12137332Sjkh 12147332Sjkh tl = get_tl(&toc, rc); 12157332Sjkh first = msf2hsg(tl->start_msf); 12167332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12177332Sjkh cd->blksize = SCDBLKSIZE; 12187332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12197332Sjkh 12208376Srgrimes XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit, 12217332Sjkh first, last)); 12227332Sjkh 12237332Sjkh cd->first_track = bcd2bin(toc.first_track); 12247332Sjkh cd->last_track = bcd2bin(toc.last_track); 12257332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12267332Sjkh cd->last_track = MAX_TRACKS-2; 12277332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12287332Sjkh cd->toc[i].adr = tl[j].adr; 12297332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12307332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12317332Sjkh#ifdef SCD_DEBUG 12327332Sjkh if (scd_debuglevel > 0) { 12337332Sjkh if ((j % 3) == 0) 12347332Sjkh printf("\nscd%d: tracks ", unit); 12357332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12367332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12377332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12387332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12397332Sjkh } 12407332Sjkh#endif 12417332Sjkh } 12427332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12437332Sjkh#ifdef SCD_DEBUG 12447332Sjkh if (scd_debuglevel > 0) { 12457332Sjkh i = cd->last_track+1; 12467332Sjkh printf("[END: %2d %2d %2d]\n", 12477332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12487332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12497332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12507332Sjkh } 12517332Sjkh#endif 12527332Sjkh 12537332Sjkh bzero(&cd->dlabel,sizeof(struct disklabel)); 12547332Sjkh /* filled with spaces first */ 12557332Sjkh strncpy(cd->dlabel.d_typename," ", 12567332Sjkh sizeof(cd->dlabel.d_typename)); 12577332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12587332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12597332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12607332Sjkh sizeof(cd->dlabel.d_packname)); 12617332Sjkh cd->dlabel.d_secsize = cd->blksize; 12627332Sjkh cd->dlabel.d_nsectors = 100; 12637332Sjkh cd->dlabel.d_ntracks = 1; 12647332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12657332Sjkh cd->dlabel.d_secpercyl = 100; 12667332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12677332Sjkh cd->dlabel.d_rpm = 300; 12687332Sjkh cd->dlabel.d_interleave = 1; 12697332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12707332Sjkh cd->dlabel.d_npartitions= 1; 12717332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12727332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12737332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12747332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12757332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12767332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12777332Sjkh 12787332Sjkh cd->flags |= SCDTOC; 12797332Sjkh 12807332Sjkh return 0; 12817332Sjkh} 12827332Sjkh 12837332Sjkhstatic void 12847332Sjkhinit_drive(unsigned unit) 12857332Sjkh{ 12867332Sjkh int rc; 12877332Sjkh 12887332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 12897332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 12907332Sjkh if (rc != 0) 12917332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 12927332Sjkh} 12937332Sjkh 12947332Sjkh/* Returns 0 or errno */ 12957332Sjkhstatic int 12967332Sjkhget_result(u_int unit, int result_len, u_char *result) 12977332Sjkh{ 12987332Sjkh unsigned int port = scd_data[unit].iobase; 12997332Sjkh unsigned int res_reg = port + IREG_RESULT; 13007332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 13017332Sjkh 13027332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 13037332Sjkh 13047332Sjkh while (result_len-- > 0) { 13057332Sjkh if (loop_index++ >= 10) { 13067332Sjkh loop_index = 1; 13077332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 13087332Sjkh return EIO; 13097332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13107332Sjkh } 13117332Sjkh if (result) 13127332Sjkh *result++ = inb(res_reg); 13137332Sjkh else 13147332Sjkh (void)inb(res_reg); 13157332Sjkh } 13167332Sjkh return 0; 13177332Sjkh} 13187332Sjkh 13197332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13207332Sjkhstatic int 13217332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13227332Sjkh{ 13237332Sjkh va_list ap; 13247332Sjkh u_int port = scd_data[unit].iobase; 13257332Sjkh u_int reg; 13267332Sjkh u_char c; 13277332Sjkh int rc; 13287332Sjkh int i; 13297332Sjkh 13307332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13317332Sjkh printf("scd%d: drive busy\n", unit); 13327332Sjkh return -0x100; 13337332Sjkh } 13347332Sjkh 13357332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13367332Sjkh 13377332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13387332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13397332Sjkh 13407332Sjkh for (i = 0; i < 100; i++) 13417332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13427332Sjkh break; 13437332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13447332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13457332Sjkh return -EIO; 13467332Sjkh } 13478876Srgrimes 13487332Sjkh va_start(ap, nargs); 13497332Sjkh reg = port + OREG_WPARAMS; 13507332Sjkh for (i = 0; i < nargs; i++) { 13517332Sjkh c = (u_char)va_arg(ap, int); 13527332Sjkh outb(reg, c); 13537332Sjkh XDEBUG(1, (",{0x%x}", c)); 13547332Sjkh } 13557332Sjkh va_end(ap); 13567332Sjkh XDEBUG(1, ("\n")); 13577332Sjkh 13587332Sjkh outb(port+OREG_COMMAND, cmd); 13597332Sjkh 136011872Sphk rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY); 136111872Sphk if (rc) 13627332Sjkh return -0x100; 13637332Sjkh 13647332Sjkh reg = port + IREG_RESULT; 13657332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13667332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13677332Sjkh case 0x20: 13687332Sjkh rc = inb(reg); 13697332Sjkh /* FALL TROUGH */ 13707332Sjkh case 0x50: 13717332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13727332Sjkh return -rc; 13737332Sjkh case 0x00: 13747332Sjkh default: 13757332Sjkh rc = inb(reg); 13767332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13777332Sjkh return rc; 13787332Sjkh } 13797332Sjkh} 13807332Sjkh 13817332Sjkhstatic void 13827332Sjkhprint_error(int unit, int errcode) 13837332Sjkh{ 13847332Sjkh switch (errcode) { 13857332Sjkh case -ERR_CD_NOT_LOADED: 13867332Sjkh printf("scd%d: door is open\n", unit); 13877332Sjkh break; 13887332Sjkh case -ERR_NO_CD_INSIDE: 13897332Sjkh printf("scd%d: no cd inside\n", unit); 13907332Sjkh break; 13917332Sjkh default: 13927332Sjkh if (errcode == -0x100 || errcode > 0) 13937332Sjkh printf("scd%d: device timeout\n", unit); 13947332Sjkh else 13957332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 13967332Sjkh break; 13977332Sjkh } 13987332Sjkh} 13997332Sjkh 14007332Sjkh/* Returns 0 or errno value */ 14017332Sjkhstatic int 14027332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 14037332Sjkh{ 14047332Sjkh u_int port = scd_data[unit].iobase; 14057332Sjkh u_int flags = scd_data[unit].flags; 14067332Sjkh u_int reg = port + IREG_STATUS; 14077332Sjkh u_int max_loop; 14087332Sjkh u_char c = 0; 14097332Sjkh 14107332Sjkh if (flags & SCDPROBING) { 14117332Sjkh max_loop = 0; 14127332Sjkh while (max_loop++ < 1000) { 14137332Sjkh c = inb(reg); 14147332Sjkh if (c == 0xff) 14157332Sjkh return EIO; 14167332Sjkh if (c & SBIT_ATTENTION) { 14177332Sjkh process_attention(unit); 14187332Sjkh continue; 14197332Sjkh } 14207332Sjkh if ((c & bits_set) == bits_set && 14217332Sjkh (c & bits_clear) == 0) 14227332Sjkh { 14237332Sjkh break; 14247332Sjkh } 14257332Sjkh DELAY(10000); 14267332Sjkh } 14277332Sjkh } else { 14287332Sjkh max_loop = 100; 14297332Sjkh while (max_loop-- > 0) { 14307332Sjkh c = inb(reg); 14317332Sjkh if (c & SBIT_ATTENTION) { 14327332Sjkh process_attention(unit); 14337332Sjkh continue; 14347332Sjkh } 14357332Sjkh if ((c & bits_set) == bits_set && 14367332Sjkh (c & bits_clear) == 0) 14377332Sjkh { 14387332Sjkh break; 14397332Sjkh } 14407332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14417332Sjkh } 14427332Sjkh } 14437332Sjkh if ((c & bits_set) == bits_set && 14447332Sjkh (c & bits_clear) == 0) 14457332Sjkh { 14467332Sjkh return 0; 14477332Sjkh } 14487332Sjkh#ifdef SCD_DEBUG 14497332Sjkh if (scd_debuglevel > 0) 14507332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14517332Sjkh else 14527332Sjkh#endif 14537332Sjkh printf("scd%d: timeout.\n", unit); 14547332Sjkh return EIO; 14557332Sjkh} 14567332Sjkh 14577332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14587332Sjkhstatic int 14597332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14607332Sjkh{ 14617332Sjkh struct scd_data *cd = scd_data + unit; 14627332Sjkh int rc; 14637332Sjkh 14647332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14657332Sjkh print_error(unit, rc); 14667332Sjkh return EIO; 14677332Sjkh } 14687332Sjkh 14697332Sjkh th->starting_track = cd->first_track; 14707332Sjkh th->ending_track = cd->last_track; 14717332Sjkh th->len = 0; /* not used */ 14727332Sjkh 14737332Sjkh return 0; 14747332Sjkh} 14757332Sjkh 14767332Sjkhstatic int 14777332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14787332Sjkh{ 14797332Sjkh struct scd_data *cd = scd_data + unit; 14807332Sjkh struct cd_toc_entry toc_entry; 14817332Sjkh int rc, i, len = te->data_len; 14827332Sjkh 14837332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14847332Sjkh print_error(unit, rc); 14857332Sjkh return EIO; 14867332Sjkh } 14877332Sjkh 14887332Sjkh /* find the toc to copy*/ 14897332Sjkh i = te->starting_track; 14907332Sjkh if (i == SCD_LASTPLUS1) 14917332Sjkh i = cd->last_track + 1; 14928876Srgrimes 14937332Sjkh /* verify starting track */ 14947332Sjkh if (i < cd->first_track || i > cd->last_track+1) 14957332Sjkh return EINVAL; 14967332Sjkh 14977332Sjkh /* valid length ? */ 14987332Sjkh if (len < sizeof(struct cd_toc_entry) 14997332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 15007332Sjkh return EINVAL; 15017332Sjkh 15027332Sjkh /* copy the toc data */ 15037332Sjkh toc_entry.control = cd->toc[i].ctl; 15047332Sjkh toc_entry.addr_type = te->address_format; 15057332Sjkh toc_entry.track = i; 15067332Sjkh if (te->address_format == CD_MSF_FORMAT) { 15077332Sjkh toc_entry.addr.msf.unused = 0; 15087332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15097332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15107332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15117332Sjkh } 15127332Sjkh 15137332Sjkh /* copy the data back */ 15147332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15157332Sjkh return EFAULT; 15167332Sjkh 15177332Sjkh return 0; 15187332Sjkh} 15197332Sjkh 152012517Sjulian 152125460Sjoergstatic int 152225460Sjoergscd_toc_entry (int unit, struct ioc_read_toc_single_entry *te) 152325460Sjoerg{ 152425460Sjoerg struct scd_data *cd = scd_data + unit; 152525460Sjoerg struct cd_toc_entry toc_entry; 152625460Sjoerg int rc, i; 152725460Sjoerg 152825460Sjoerg if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 152925460Sjoerg print_error(unit, rc); 153025460Sjoerg return EIO; 153125460Sjoerg } 153225460Sjoerg 153325460Sjoerg /* find the toc to copy*/ 153425460Sjoerg i = te->track; 153525460Sjoerg if (i == SCD_LASTPLUS1) 153625460Sjoerg i = cd->last_track + 1; 153725460Sjoerg 153825460Sjoerg /* verify starting track */ 153925460Sjoerg if (i < cd->first_track || i > cd->last_track+1) 154025460Sjoerg return EINVAL; 154125460Sjoerg 154225460Sjoerg /* copy the toc data */ 154325460Sjoerg toc_entry.control = cd->toc[i].ctl; 154425460Sjoerg toc_entry.addr_type = te->address_format; 154525460Sjoerg toc_entry.track = i; 154625460Sjoerg if (te->address_format == CD_MSF_FORMAT) { 154725460Sjoerg toc_entry.addr.msf.unused = 0; 154825460Sjoerg toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 154925460Sjoerg toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 155025460Sjoerg toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 155125460Sjoerg } 155225460Sjoerg 155325460Sjoerg /* copy the data back */ 155425460Sjoerg bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 155525460Sjoerg 155625460Sjoerg return 0; 155725460Sjoerg} 1558