scd.c revision 102412
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 2897748Sschweikh * derived from this software without 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 102412 2002-08-25 13:23:09Z charnier $ */ 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 23583366Sjulianscdopen(dev_t dev, int flags, int fmt, struct thread *td) 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 28983366Sjulianscdclose(dev_t dev, int flags, int fmt, struct thread *td) 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 42183366Sjulianscdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td) 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 CDIOCPLAYTRACKS: 4407332Sjkh return scd_playtracks(unit, (struct ioc_play_track *) addr); 4417332Sjkh case CDIOCPLAYBLOCKS: 4427332Sjkh return EINVAL; 4437332Sjkh case CDIOCPLAYMSF: 4447332Sjkh return scd_playmsf(unit, (struct ioc_play_msf *) addr); 4457332Sjkh case CDIOCREADSUBCHANNEL: 4467332Sjkh return scd_subchan(unit, (struct ioc_read_subchannel *) addr); 4477332Sjkh case CDIOREADTOCHEADER: 4487332Sjkh return scd_toc_header (unit, (struct ioc_toc_header *) addr); 4497332Sjkh case CDIOREADTOCENTRYS: 4507332Sjkh return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr); 45125460Sjoerg case CDIOREADTOCENTRY: 45225460Sjoerg return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr); 4537332Sjkh case CDIOCSETPATCH: 4547332Sjkh case CDIOCGETVOL: 4557332Sjkh case CDIOCSETVOL: 4567332Sjkh case CDIOCSETMONO: 4577332Sjkh case CDIOCSETSTERIO: 4587332Sjkh case CDIOCSETMUTE: 4597332Sjkh case CDIOCSETLEFT: 4607332Sjkh case CDIOCSETRIGHT: 4617332Sjkh return EINVAL; 4627332Sjkh case CDIOCRESUME: 4637332Sjkh return scd_resume(unit); 4647332Sjkh case CDIOCPAUSE: 4657332Sjkh return scd_pause(unit); 4667332Sjkh case CDIOCSTART: 4677332Sjkh return EINVAL; 4687332Sjkh case CDIOCSTOP: 4697332Sjkh return scd_stop(unit); 4707332Sjkh case CDIOCEJECT: 4717332Sjkh return scd_eject(unit); 4727332Sjkh case CDIOCALLOW: 4737332Sjkh return 0; 4747332Sjkh case CDIOCSETDEBUG: 4757332Sjkh#ifdef SCD_DEBUG 4767332Sjkh scd_debuglevel++; 4777332Sjkh#endif 4787332Sjkh return 0; 4797332Sjkh case CDIOCCLRDEBUG: 4807332Sjkh#ifdef SCD_DEBUG 4817332Sjkh scd_debuglevel = 0; 4827332Sjkh 4837332Sjkh#endif 4847332Sjkh return 0; 4857332Sjkh default: 48637618Sbde printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd); 4877332Sjkh return ENOTTY; 4887332Sjkh } 4897332Sjkh} 4907332Sjkh 4917332Sjkh/*************************************************************** 4927332Sjkh * lower level of driver starts here 4937332Sjkh **************************************************************/ 4947332Sjkh 4957332Sjkhstatic int 4967332Sjkhscd_playtracks(int unit, struct ioc_play_track *pt) 4977332Sjkh{ 4987332Sjkh struct scd_data *cd = scd_data + unit; 4997332Sjkh struct ioc_play_msf msf; 5007332Sjkh int a = pt->start_track; 5017332Sjkh int z = pt->end_track; 50211872Sphk int rc; 5037332Sjkh 5047332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 5057332Sjkh if (rc == -ERR_NOT_SPINNING) { 5067332Sjkh if (spin_up(unit) != 0) 5077332Sjkh return EIO; 5087332Sjkh rc = read_toc(unit); 5097332Sjkh } 5107332Sjkh if (rc != 0) { 5117332Sjkh print_error(unit, rc); 5127332Sjkh return EIO; 5137332Sjkh } 5147332Sjkh } 5157332Sjkh 5167332Sjkh XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit, 5177332Sjkh a, pt->start_index, z, pt->end_index)); 5187332Sjkh 5197332Sjkh if ( a < cd->first_track 5207332Sjkh || a > cd->last_track 5217332Sjkh || a > z 5227332Sjkh || z > cd->last_track) 5237332Sjkh return EINVAL; 5247332Sjkh 5257332Sjkh bcopy(cd->toc[a].start_msf, &msf.start_m, 3); 5267332Sjkh hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m); 5277332Sjkh 5287332Sjkh return scd_play(unit, &msf); 5297332Sjkh} 5307332Sjkh 5317332Sjkh/* The start/end msf is expected to be in bin format */ 5327332Sjkhstatic int 5337332Sjkhscd_playmsf(int unit, struct ioc_play_msf *msfin) 5347332Sjkh{ 5357332Sjkh struct ioc_play_msf msf; 5367332Sjkh 5377332Sjkh msf.start_m = bin2bcd(msfin->start_m); 5387332Sjkh msf.start_s = bin2bcd(msfin->start_s); 5397332Sjkh msf.start_f = bin2bcd(msfin->start_f); 5407332Sjkh msf.end_m = bin2bcd(msfin->end_m); 5417332Sjkh msf.end_s = bin2bcd(msfin->end_s); 5427332Sjkh msf.end_f = bin2bcd(msfin->end_f); 5437332Sjkh 5447332Sjkh return scd_play(unit, &msf); 5457332Sjkh} 5467332Sjkh 5477332Sjkh/* The start/end msf is expected to be in bcd format */ 5487332Sjkhstatic int 5497332Sjkhscd_play(int unit, struct ioc_play_msf *msf) 5507332Sjkh{ 5517332Sjkh struct scd_data *cd = scd_data + unit; 5527332Sjkh int i, rc; 5537332Sjkh 5547332Sjkh XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit, 5557332Sjkh msf->start_m, msf->start_s, msf->start_f, 5567332Sjkh msf->end_m, msf->end_s, msf->end_f)); 5577332Sjkh 5587332Sjkh for (i = 0; i < 2; i++) { 5597332Sjkh rc = send_cmd(unit, CMD_PLAY_AUDIO, 7, 5607332Sjkh 0x03, 5617332Sjkh msf->start_m, msf->start_s, msf->start_f, 5627332Sjkh msf->end_m, msf->end_s, msf->end_f); 5637332Sjkh if (rc == -ERR_NOT_SPINNING) { 5647332Sjkh cd->flags &= ~SCDSPINNING; 5657332Sjkh if (spin_up(unit) != 0) 5667332Sjkh return EIO; 5677332Sjkh } else if (rc < 0) { 5687332Sjkh print_error(unit, rc); 5697332Sjkh return EIO; 5707332Sjkh } else { 5717332Sjkh break; 5727332Sjkh } 5737332Sjkh } 5747332Sjkh cd->audio_status = CD_AS_PLAY_IN_PROGRESS; 5757332Sjkh bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf)); 5767332Sjkh return 0; 5777332Sjkh} 5787332Sjkh 5797332Sjkhstatic int 5807332Sjkhscd_stop(int unit) 5817332Sjkh{ 5827332Sjkh struct scd_data *cd = scd_data + unit; 5837332Sjkh 5847332Sjkh (void)send_cmd(unit, CMD_STOP_AUDIO, 0); 5857332Sjkh cd->audio_status = CD_AS_PLAY_COMPLETED; 5867332Sjkh return 0; 5877332Sjkh} 5887332Sjkh 5897332Sjkhstatic int 5907332Sjkhscd_pause(int unit) 5917332Sjkh{ 5927332Sjkh struct scd_data *cd = scd_data + unit; 5937332Sjkh struct sony_subchannel_position_data subpos; 5947332Sjkh 5957332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) 5967332Sjkh return EINVAL; 5977332Sjkh 5987332Sjkh if (read_subcode(unit, &subpos) != 0) 5997332Sjkh return EIO; 6007332Sjkh 6017332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0) 6027332Sjkh return EIO; 6038876Srgrimes 6047332Sjkh cd->last_play.start_m = subpos.abs_msf[0]; 6057332Sjkh cd->last_play.start_s = subpos.abs_msf[1]; 6067332Sjkh cd->last_play.start_f = subpos.abs_msf[2]; 6077332Sjkh cd->audio_status = CD_AS_PLAY_PAUSED; 6087332Sjkh 6097332Sjkh XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit, 6107332Sjkh cd->last_play.start_m, 6117332Sjkh cd->last_play.start_s, 6127332Sjkh cd->last_play.start_f)); 6137332Sjkh 6147332Sjkh return 0; 6157332Sjkh} 6167332Sjkh 6177332Sjkhstatic int 6187332Sjkhscd_resume(int unit) 6197332Sjkh{ 6207332Sjkh if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED) 6217332Sjkh return EINVAL; 6227332Sjkh return scd_play(unit, &scd_data[unit].last_play); 6237332Sjkh} 6247332Sjkh 6257332Sjkhstatic int 6267332Sjkhscd_eject(int unit) 6277332Sjkh{ 6287332Sjkh struct scd_data *cd = scd_data + unit; 6297332Sjkh 6307332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 6317332Sjkh cd->flags &= ~(SCDSPINNING|SCDTOC); 6327332Sjkh 6337332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 || 6347332Sjkh send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 || 6357332Sjkh send_cmd(unit, CMD_EJECT, 0) != 0) 6367332Sjkh { 6377332Sjkh return EIO; 6387332Sjkh } 6397332Sjkh return 0; 6407332Sjkh} 6417332Sjkh 6427332Sjkhstatic int 6437332Sjkhscd_subchan(int unit, struct ioc_read_subchannel *sc) 6447332Sjkh{ 6457332Sjkh struct scd_data *cd = scd_data + unit; 6467332Sjkh struct sony_subchannel_position_data q; 6477332Sjkh struct cd_sub_channel_info data; 6487332Sjkh 6497332Sjkh XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit, 6507332Sjkh sc->address_format, 6517332Sjkh sc->data_format)); 6527332Sjkh 6537332Sjkh if (sc->address_format != CD_MSF_FORMAT) 6547332Sjkh return EINVAL; 6557332Sjkh 6567332Sjkh if (sc->data_format != CD_CURRENT_POSITION) 6577332Sjkh return EINVAL; 6587332Sjkh 6597332Sjkh if (read_subcode(unit, &q) != 0) 6607332Sjkh return EIO; 6617332Sjkh 6627332Sjkh data.header.audio_status = cd->audio_status; 6637332Sjkh data.what.position.data_format = CD_MSF_FORMAT; 6647332Sjkh data.what.position.track_number = bcd2bin(q.track_number); 6657332Sjkh data.what.position.reladdr.msf.unused = 0; 6667332Sjkh data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 6677332Sjkh data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 6687332Sjkh data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 6697332Sjkh data.what.position.absaddr.msf.unused = 0; 6707332Sjkh data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 6717332Sjkh data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 6727332Sjkh data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 6737332Sjkh 6747332Sjkh if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) 6757332Sjkh return EFAULT; 6767332Sjkh return 0; 6777332Sjkh} 6787332Sjkh 67942552Seivindstatic __inline void 68042552Seivindwrite_control(unsigned port, unsigned data) 68142552Seivind{ 68242552Seivind outb(port + OREG_CONTROL, data); 68342552Seivind} 68442552Seivind 68542552Seivindstatic int 6867332Sjkhscd_probe(struct isa_device *dev) 6877332Sjkh{ 6887332Sjkh struct sony_drive_configuration drive_config; 6897332Sjkh int unit = dev->id_unit; 6907332Sjkh int rc; 6917332Sjkh static char namebuf[8+16+8+3]; 6927332Sjkh char *s = namebuf; 6937332Sjkh int loop_count = 0; 6947332Sjkh 6957332Sjkh scd_data[unit].flags = SCDPROBING; 6967332Sjkh scd_data[unit].iobase = dev->id_iobase; 6977332Sjkh 6987332Sjkh bzero(&drive_config, sizeof(drive_config)); 6997332Sjkh 7007332Sjkhagain: 7017332Sjkh /* Reset drive */ 7027332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7037332Sjkh 7047332Sjkh /* Calm down */ 7057332Sjkh DELAY(300000); 7067332Sjkh 7077332Sjkh /* Only the ATTENTION bit may be set */ 7087332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7097332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7107332Sjkh return 0; 7117332Sjkh } 7127332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7137332Sjkh if (rc != sizeof(drive_config)) { 7147332Sjkh /* Sometimes if the drive is playing audio I get */ 7157332Sjkh /* the bad result 82. Fix by repeating the reset */ 7167332Sjkh if (rc > 0 && loop_count++ == 0) 7177332Sjkh goto again; 7187332Sjkh return 0; 7197332Sjkh } 7207332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7217332Sjkh return 0; 7227332Sjkh 7237332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7247332Sjkh s = namebuf+8; 7257332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7267332Sjkh s--; 7277332Sjkh *s++ = ' '; 7287332Sjkh bcopy(drive_config.product, s, 16); 7297332Sjkh s += 16; 7307332Sjkh while (*(s-1) == ' ') 7317332Sjkh s--; 7327332Sjkh *s++ = ' '; 7337332Sjkh bcopy(drive_config.revision, s, 8); 7347332Sjkh s += 8; 7357332Sjkh while (*(s-1) == ' ') 7367332Sjkh s--; 7377332Sjkh *s = 0; 7387332Sjkh 7397332Sjkh scd_data[unit].name = namebuf; 7407332Sjkh 7417332Sjkh if (drive_config.config & 0x10) 7427332Sjkh scd_data[unit].double_speed = 1; 7437332Sjkh else 7447332Sjkh scd_data[unit].double_speed = 0; 7457332Sjkh 7467332Sjkh return 4; 7477332Sjkh} 7487332Sjkh 7497332Sjkhstatic int 7507332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7517332Sjkh{ 7527332Sjkh int rc; 7537332Sjkh 7547332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7557332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7567332Sjkh return EIO; 7577332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7587332Sjkh return EIO; 7597332Sjkh return 0; 7607332Sjkh} 7617332Sjkh 7627332Sjkh/* State machine copied from mcd.c */ 7637332Sjkh 7647332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7657332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7667332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7677332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7687332Sjkh 7697332Sjkh/* state machine to process read requests 7707332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7717332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7727332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7737332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7747332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7757332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7767332Sjkh */ 7777332Sjkh 7787332Sjkhstatic struct scd_mbx *mbxsave; 7797332Sjkh 7807332Sjkhstatic void 78125056Sbdescd_timeout(void *arg) 78225056Sbde{ 78325056Sbde scd_doread((int)arg, mbxsave); 78425056Sbde} 78525056Sbde 78625056Sbdestatic void 7877332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7887332Sjkh{ 7897332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 7907332Sjkh int unit = mbx->unit; 7917332Sjkh int port = mbx->port; 79259249Sphk struct bio *bp = mbx->bp; 7937332Sjkh struct scd_data *cd = scd_data + unit; 79411872Sphk int reg,i; 7957332Sjkh int blknum; 7967332Sjkh caddr_t addr; 7977332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 7987332Sjkh 7997332Sjkhloop: 8007332Sjkh switch (state) { 8017332Sjkh case SCD_S_BEGIN: 8027332Sjkh mbx = mbxsave = mbxin; 8037332Sjkh 8047332Sjkh case SCD_S_BEGIN1: 8057332Sjkh /* get status */ 8067332Sjkh mbx->count = RDELAY_WAIT; 8077332Sjkh 8087332Sjkh process_attention(unit); 8097332Sjkh goto trystat; 8107332Sjkh 8117332Sjkh case SCD_S_WAITSTAT: 81229677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle); 8137332Sjkh if (mbx->count-- <= 0) { 8147332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8157332Sjkh goto harderr; 8167332Sjkh } 8177332Sjkh 8187332Sjkhtrystat: 8197332Sjkh if (IS_BUSY(port)) { 82029677Sgibbs tohandle = timeout(scd_timeout, 82129677Sgibbs (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8227332Sjkh return; 8237332Sjkh } 8248876Srgrimes 8257332Sjkh process_attention(unit); 8267332Sjkh 8277332Sjkh /* reject, if audio active */ 8287332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8297332Sjkh printf("scd%d: audio is active\n",unit); 8307332Sjkh goto harderr; 8317332Sjkh } 8327332Sjkh 8337332Sjkh mbx->sz = cd->blksize; 8347332Sjkh 8357332Sjkh /* for first block */ 83659249Sphk mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 8377332Sjkh mbx->skip = 0; 8387332Sjkh 8397332Sjkhnextblock: 8407332Sjkh if (!(cd->flags & SCDVALID)) 8417332Sjkh goto changed; 8427332Sjkh 84359249Sphk blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE)) 8447332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8457332Sjkh 8467332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8477332Sjkh 8487332Sjkh /* build parameter block */ 8497332Sjkh hsg2msf(blknum, sdata); 8507332Sjkh 8517332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8527332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8537332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8547332Sjkh 8557332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8567332Sjkh goto writeparam; 8577332Sjkh 8587332Sjkh mbx->count = 100; 85929677Sgibbs tohandle = timeout(scd_timeout, 86029677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8617332Sjkh return; 8627332Sjkh 8637332Sjkh case SCD_S_WAITSPIN: 86429677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle); 8657332Sjkh if (mbx->count-- <= 0) { 8667332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8677332Sjkh goto harderr; 8687332Sjkh } 8697332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 87029677Sgibbs tohandle = timeout(scd_timeout, 87129677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8727332Sjkh return; 8737332Sjkh } 8747332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8757332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8767332Sjkh case 0x20: 8777332Sjkh i = inb(port+IREG_RESULT); 8787332Sjkh print_error(unit, i); 8797332Sjkh goto harderr; 8807332Sjkh case 0x00: 8817332Sjkh (void)inb(port+IREG_RESULT); 8827332Sjkh cd->flags |= SCDSPINNING; 8837332Sjkh break; 8847332Sjkh } 8857332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8867332Sjkh 8877332Sjkh state = SCD_S_BEGIN1; 8887332Sjkh goto loop; 8897332Sjkh 8907332Sjkh case SCD_S_WAITFIFO: 89129677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle); 8927332Sjkh if (mbx->count-- <= 0) { 8937332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 8947332Sjkh goto harderr; 8957332Sjkh } 8967332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 89729677Sgibbs tohandle = timeout(scd_timeout, 89829677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8997332Sjkh return; 9007332Sjkh } 9017332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9027332Sjkh 9037332Sjkhwriteparam: 9047332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9057332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9067332Sjkh if (!(cd->flags & SCDSPINNING)) { 9077332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9087332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9097332Sjkh mbx->count = 300; 91029677Sgibbs tohandle = timeout(scd_timeout, 91129677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9127332Sjkh return; 9137332Sjkh } 9147332Sjkh 9157332Sjkh reg = port + OREG_WPARAMS; 9167332Sjkh /* send the read command */ 9177332Sjkh disable_intr(); 9187332Sjkh outb(reg, sdata[0]); 9197332Sjkh outb(reg, sdata[1]); 9207332Sjkh outb(reg, sdata[2]); 9217332Sjkh outb(reg, 0); 9227332Sjkh outb(reg, 0); 9237332Sjkh outb(reg, 1); 9247332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9257332Sjkh enable_intr(); 9267332Sjkh 9277332Sjkh mbx->count = RDELAY_WAITREAD; 9287332Sjkh for (i = 0; i < 50; i++) { 9297332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9307332Sjkh goto got_data; 9317332Sjkh DELAY(100); 9327332Sjkh } 9337332Sjkh 93429677Sgibbs tohandle = timeout(scd_timeout, 93529677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9367332Sjkh return; 9377332Sjkh 9387332Sjkh case SCD_S_WAITREAD: 93929677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle); 9407332Sjkh if (mbx->count-- <= 0) { 9417332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9427332Sjkh goto got_param; 9437332Sjkh printf("scd%d: timeout while reading data\n",unit); 9447332Sjkh goto readerr; 9457332Sjkh } 9467332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9477332Sjkh process_attention(unit); 9487332Sjkh if (!(cd->flags & SCDVALID)) 9497332Sjkh goto changed; 95029677Sgibbs tohandle = timeout(scd_timeout, 95129677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9527332Sjkh return; 9537332Sjkh } 9547332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9557332Sjkh 9567332Sjkhgot_data: 9577332Sjkh /* data is ready */ 95859249Sphk addr = bp->bio_data + mbx->skip; 9597332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9607332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9617332Sjkh 9627332Sjkh mbx->count = 100; 9637332Sjkh for (i = 0; i < 20; i++) { 9647332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9657332Sjkh goto waitfor_param; 9667332Sjkh DELAY(100); 9677332Sjkh } 9687332Sjkh goto waitfor_param; 9697332Sjkh 9707332Sjkh case SCD_S_WAITPARAM: 97129677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle); 9727332Sjkh if (mbx->count-- <= 0) { 9737332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9747332Sjkh goto readerr; 9757332Sjkh } 9767332Sjkh 9777332Sjkhwaitfor_param: 9787332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 97929677Sgibbs tohandle = timeout(scd_timeout, 98029677Sgibbs (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9817332Sjkh return; 9827332Sjkh } 9837332Sjkh#if SCD_DEBUG 9847332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9857332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9867332Sjkh#endif 9877332Sjkh 9887332Sjkhgot_param: 9897332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 9907332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 9917332Sjkh case 0x50: 9927332Sjkh switch (i) { 9937332Sjkh case ERR_FATAL_READ_ERROR1: 9947332Sjkh case ERR_FATAL_READ_ERROR2: 9957332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 9967332Sjkh goto harderr; 9977332Sjkh } 9987332Sjkh break; 9997332Sjkh case 0x20: 10007332Sjkh i = inb(port+IREG_RESULT); 10017332Sjkh switch (i) { 10027332Sjkh case ERR_NOT_SPINNING: 10037332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10047332Sjkh if (mbx->retry-- > 0) { 10057332Sjkh state = SCD_S_BEGIN1; 10067332Sjkh cd->flags &= ~SCDSPINNING; 10077332Sjkh goto loop; 10087332Sjkh } 10097332Sjkh goto harderr; 10107332Sjkh default: 10117332Sjkh print_error(unit, i); 10127332Sjkh goto readerr; 10137332Sjkh } 10147332Sjkh case 0x00: 10157332Sjkh i = inb(port+IREG_RESULT); 10167332Sjkh break; 10177332Sjkh } 10187332Sjkh 10197332Sjkh if (--mbx->nblk > 0) { 10207332Sjkh mbx->skip += mbx->sz; 10217332Sjkh goto nextblock; 10227332Sjkh } 10237332Sjkh 10247332Sjkh /* return buffer */ 102559249Sphk bp->bio_resid = 0; 10267332Sjkh biodone(bp); 10277332Sjkh 10287332Sjkh cd->flags &= ~SCDMBXBSY; 10297332Sjkh scd_start(mbx->unit); 10307332Sjkh return; 10317332Sjkh } 10327332Sjkh 10337332Sjkhreaderr: 10347332Sjkh if (mbx->retry-- > 0) { 10357332Sjkh printf("scd%d: retrying ...\n",unit); 10367332Sjkh state = SCD_S_BEGIN1; 10377332Sjkh goto loop; 10387332Sjkh } 10397332Sjkhharderr: 10407332Sjkh /* invalidate the buffer */ 104159249Sphk bp->bio_error = EIO; 104259249Sphk bp->bio_flags |= BIO_ERROR; 104359249Sphk bp->bio_resid = bp->bio_bcount; 10447332Sjkh biodone(bp); 10457332Sjkh 10467332Sjkh cd->flags &= ~SCDMBXBSY; 10477332Sjkh scd_start(mbx->unit); 10487332Sjkh return; 10497332Sjkh 10507332Sjkhchanged: 10517332Sjkh printf("scd%d: media changed\n", unit); 10527332Sjkh goto harderr; 10537332Sjkh} 10547332Sjkh 10557332Sjkhstatic void 10567332Sjkhhsg2msf(int hsg, bcd_t *msf) 10577332Sjkh{ 10587332Sjkh hsg += 150; 10597332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10607332Sjkh hsg %= 4500; 10617332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10627332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10637332Sjkh} 10647332Sjkh 10657332Sjkhstatic int 10667332Sjkhmsf2hsg(bcd_t *msf) 10677332Sjkh{ 10687332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10697332Sjkh bcd2bin(S_msf(msf))) * 75 + 10707332Sjkh bcd2bin(F_msf(msf)) - 150; 10717332Sjkh} 10727332Sjkh 10737332Sjkhstatic void 10747332Sjkhprocess_attention(unsigned unit) 10757332Sjkh{ 10767332Sjkh unsigned port = scd_data[unit].iobase; 10777332Sjkh unsigned char code; 10787332Sjkh int count = 0; 10797332Sjkh 10807332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 10817332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 10827332Sjkh code = inb(port+IREG_RESULT); 10837332Sjkh 10847332Sjkh#if SCD_DEBUG 10857332Sjkh if (scd_debuglevel > 0) { 10867332Sjkh if (count == 1) 10877332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 10887332Sjkh else 10897332Sjkh printf(",0x%x", code); 10907332Sjkh } 10917332Sjkh#endif 10927332Sjkh 10937332Sjkh switch (code) { 10947332Sjkh case ATTEN_SPIN_DOWN: 10957332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 10967332Sjkh break; 10977332Sjkh 10987332Sjkh case ATTEN_SPIN_UP_DONE: 10997332Sjkh scd_data[unit].flags |= SCDSPINNING; 11007332Sjkh break; 11017332Sjkh 11027332Sjkh case ATTEN_AUDIO_DONE: 11037332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11047332Sjkh break; 11057332Sjkh 11067332Sjkh case ATTEN_DRIVE_LOADED: 11077332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11087332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11097332Sjkh break; 11107332Sjkh 11117332Sjkh case ATTEN_EJECT_PUSHED: 11127332Sjkh scd_data[unit].flags &= ~SCDVALID; 11137332Sjkh break; 11147332Sjkh } 11157332Sjkh DELAY(100); 11167332Sjkh } 11177332Sjkh#if SCD_DEBUG 11187332Sjkh if (scd_debuglevel > 0 && count > 0) 11197332Sjkh printf("\n"); 11207332Sjkh#endif 11217332Sjkh} 11227332Sjkh 11237332Sjkh/* Returns 0 OR sony error code */ 11247332Sjkhstatic int 11257332Sjkhspin_up(unsigned unit) 11267332Sjkh{ 11277332Sjkh unsigned char res_reg[12]; 11287332Sjkh unsigned int res_size; 11297332Sjkh int rc; 11307332Sjkh int loop_count = 0; 11317332Sjkh 11327332Sjkhagain: 113317108Sbde rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 11347332Sjkh if (rc != 0) { 11357332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11367332Sjkh return rc; 11377332Sjkh } 11387332Sjkh 11397332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11407332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11417332Sjkh if (rc == ERR_NOT_SPINNING) { 11427332Sjkh if (loop_count++ < 3) 11437332Sjkh goto again; 11447332Sjkh return rc; 11457332Sjkh } 11467332Sjkh if (rc != 0) 11477332Sjkh return rc; 11487332Sjkh } 11497332Sjkh 11507332Sjkh scd_data[unit].flags |= SCDSPINNING; 11517332Sjkh 11527332Sjkh return 0; 11537332Sjkh} 11547332Sjkh 11557332Sjkhstatic struct sony_tracklist * 11567332Sjkhget_tl(struct sony_toc *toc, int size) 11577332Sjkh{ 11587332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11597332Sjkh 11607332Sjkh if (tl->track != 0xb0) 11617332Sjkh return tl; 11627332Sjkh (char *)tl += 9; 11638876Srgrimes if (tl->track != 0xb1) 11647332Sjkh return tl; 11657332Sjkh (char *)tl += 9; 11668876Srgrimes if (tl->track != 0xb2) 11677332Sjkh return tl; 11687332Sjkh (char *)tl += 9; 11698876Srgrimes if (tl->track != 0xb3) 11707332Sjkh return tl; 11717332Sjkh (char *)tl += 9; 11728876Srgrimes if (tl->track != 0xb4) 11737332Sjkh return tl; 11747332Sjkh (char *)tl += 9; 11758876Srgrimes if (tl->track != 0xc0) 11767332Sjkh return tl; 11777332Sjkh (char *)tl += 9; 11787332Sjkh return tl; 11797332Sjkh} 11807332Sjkh 11817332Sjkhstatic int 118246833Sphkread_toc(unsigned unit) 11837332Sjkh{ 11847332Sjkh struct scd_data *cd; 11857332Sjkh unsigned part = 0; /* For now ... */ 11867332Sjkh struct sony_toc toc; 11877332Sjkh struct sony_tracklist *tl; 11887332Sjkh int rc, i, j; 11897332Sjkh u_long first, last; 11907332Sjkh 11917332Sjkh cd = scd_data + unit; 11927332Sjkh 11937332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 11947332Sjkh if (rc < 0) 11957332Sjkh return rc; 11967332Sjkh if (rc > sizeof(toc)) { 11977332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 11987332Sjkh return EIO; 11997332Sjkh } 12007332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12017332Sjkh return EIO; 12027332Sjkh 12037332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12047332Sjkh 12057332Sjkh tl = get_tl(&toc, rc); 12067332Sjkh first = msf2hsg(tl->start_msf); 12077332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12087332Sjkh cd->blksize = SCDBLKSIZE; 12097332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12107332Sjkh 12118376Srgrimes XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit, 12127332Sjkh first, last)); 12137332Sjkh 12147332Sjkh cd->first_track = bcd2bin(toc.first_track); 12157332Sjkh cd->last_track = bcd2bin(toc.last_track); 12167332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12177332Sjkh cd->last_track = MAX_TRACKS-2; 12187332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12197332Sjkh cd->toc[i].adr = tl[j].adr; 12207332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12217332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12227332Sjkh#ifdef SCD_DEBUG 12237332Sjkh if (scd_debuglevel > 0) { 12247332Sjkh if ((j % 3) == 0) 12257332Sjkh printf("\nscd%d: tracks ", unit); 12267332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12277332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12287332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12297332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12307332Sjkh } 12317332Sjkh#endif 12327332Sjkh } 12337332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12347332Sjkh#ifdef SCD_DEBUG 12357332Sjkh if (scd_debuglevel > 0) { 12367332Sjkh i = cd->last_track+1; 12377332Sjkh printf("[END: %2d %2d %2d]\n", 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 bzero(&cd->dlabel,sizeof(struct disklabel)); 12457332Sjkh /* filled with spaces first */ 12467332Sjkh strncpy(cd->dlabel.d_typename," ", 12477332Sjkh sizeof(cd->dlabel.d_typename)); 12487332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12497332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12507332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12517332Sjkh sizeof(cd->dlabel.d_packname)); 12527332Sjkh cd->dlabel.d_secsize = cd->blksize; 12537332Sjkh cd->dlabel.d_nsectors = 100; 12547332Sjkh cd->dlabel.d_ntracks = 1; 12557332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12567332Sjkh cd->dlabel.d_secpercyl = 100; 12577332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12587332Sjkh cd->dlabel.d_rpm = 300; 12597332Sjkh cd->dlabel.d_interleave = 1; 12607332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12617332Sjkh cd->dlabel.d_npartitions= 1; 12627332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12637332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12647332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12657332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12667332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12677332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12687332Sjkh 12697332Sjkh cd->flags |= SCDTOC; 12707332Sjkh 12717332Sjkh return 0; 12727332Sjkh} 12737332Sjkh 12747332Sjkhstatic void 12757332Sjkhinit_drive(unsigned unit) 12767332Sjkh{ 12777332Sjkh int rc; 12787332Sjkh 12797332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 12807332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 12817332Sjkh if (rc != 0) 12827332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 12837332Sjkh} 12847332Sjkh 12857332Sjkh/* Returns 0 or errno */ 12867332Sjkhstatic int 12877332Sjkhget_result(u_int unit, int result_len, u_char *result) 12887332Sjkh{ 12897332Sjkh unsigned int port = scd_data[unit].iobase; 12907332Sjkh unsigned int res_reg = port + IREG_RESULT; 12917332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 12927332Sjkh 12937332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 12947332Sjkh 12957332Sjkh while (result_len-- > 0) { 12967332Sjkh if (loop_index++ >= 10) { 12977332Sjkh loop_index = 1; 12987332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 12997332Sjkh return EIO; 13007332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13017332Sjkh } 13027332Sjkh if (result) 13037332Sjkh *result++ = inb(res_reg); 13047332Sjkh else 13057332Sjkh (void)inb(res_reg); 13067332Sjkh } 13077332Sjkh return 0; 13087332Sjkh} 13097332Sjkh 13107332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13117332Sjkhstatic int 13127332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13137332Sjkh{ 13147332Sjkh va_list ap; 13157332Sjkh u_int port = scd_data[unit].iobase; 13167332Sjkh u_int reg; 13177332Sjkh u_char c; 13187332Sjkh int rc; 13197332Sjkh int i; 13207332Sjkh 13217332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13227332Sjkh printf("scd%d: drive busy\n", unit); 13237332Sjkh return -0x100; 13247332Sjkh } 13257332Sjkh 13267332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13277332Sjkh 13287332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13297332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13307332Sjkh 13317332Sjkh for (i = 0; i < 100; i++) 13327332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13337332Sjkh break; 13347332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13357332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13367332Sjkh return -EIO; 13377332Sjkh } 13388876Srgrimes 13397332Sjkh va_start(ap, nargs); 13407332Sjkh reg = port + OREG_WPARAMS; 13417332Sjkh for (i = 0; i < nargs; i++) { 13427332Sjkh c = (u_char)va_arg(ap, int); 13437332Sjkh outb(reg, c); 13447332Sjkh XDEBUG(1, (",{0x%x}", c)); 13457332Sjkh } 13467332Sjkh va_end(ap); 13477332Sjkh XDEBUG(1, ("\n")); 13487332Sjkh 13497332Sjkh outb(port+OREG_COMMAND, cmd); 13507332Sjkh 135111872Sphk rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY); 135211872Sphk if (rc) 13537332Sjkh return -0x100; 13547332Sjkh 13557332Sjkh reg = port + IREG_RESULT; 13567332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13577332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13587332Sjkh case 0x20: 13597332Sjkh rc = inb(reg); 1360102412Scharnier /* FALLTHROUGH */ 13617332Sjkh case 0x50: 13627332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13637332Sjkh return -rc; 13647332Sjkh case 0x00: 13657332Sjkh default: 13667332Sjkh rc = inb(reg); 13677332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13687332Sjkh return rc; 13697332Sjkh } 13707332Sjkh} 13717332Sjkh 13727332Sjkhstatic void 13737332Sjkhprint_error(int unit, int errcode) 13747332Sjkh{ 13757332Sjkh switch (errcode) { 13767332Sjkh case -ERR_CD_NOT_LOADED: 13777332Sjkh printf("scd%d: door is open\n", unit); 13787332Sjkh break; 13797332Sjkh case -ERR_NO_CD_INSIDE: 13807332Sjkh printf("scd%d: no cd inside\n", unit); 13817332Sjkh break; 13827332Sjkh default: 13837332Sjkh if (errcode == -0x100 || errcode > 0) 13847332Sjkh printf("scd%d: device timeout\n", unit); 13857332Sjkh else 13867332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 13877332Sjkh break; 13887332Sjkh } 13897332Sjkh} 13907332Sjkh 13917332Sjkh/* Returns 0 or errno value */ 13927332Sjkhstatic int 13937332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 13947332Sjkh{ 13957332Sjkh u_int port = scd_data[unit].iobase; 13967332Sjkh u_int flags = scd_data[unit].flags; 13977332Sjkh u_int reg = port + IREG_STATUS; 13987332Sjkh u_int max_loop; 13997332Sjkh u_char c = 0; 14007332Sjkh 14017332Sjkh if (flags & SCDPROBING) { 14027332Sjkh max_loop = 0; 14037332Sjkh while (max_loop++ < 1000) { 14047332Sjkh c = inb(reg); 14057332Sjkh if (c == 0xff) 14067332Sjkh return EIO; 14077332Sjkh if (c & SBIT_ATTENTION) { 14087332Sjkh process_attention(unit); 14097332Sjkh continue; 14107332Sjkh } 14117332Sjkh if ((c & bits_set) == bits_set && 14127332Sjkh (c & bits_clear) == 0) 14137332Sjkh { 14147332Sjkh break; 14157332Sjkh } 14167332Sjkh DELAY(10000); 14177332Sjkh } 14187332Sjkh } else { 14197332Sjkh max_loop = 100; 14207332Sjkh while (max_loop-- > 0) { 14217332Sjkh c = inb(reg); 14227332Sjkh if (c & SBIT_ATTENTION) { 14237332Sjkh process_attention(unit); 14247332Sjkh continue; 14257332Sjkh } 14267332Sjkh if ((c & bits_set) == bits_set && 14277332Sjkh (c & bits_clear) == 0) 14287332Sjkh { 14297332Sjkh break; 14307332Sjkh } 14317332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14327332Sjkh } 14337332Sjkh } 14347332Sjkh if ((c & bits_set) == bits_set && 14357332Sjkh (c & bits_clear) == 0) 14367332Sjkh { 14377332Sjkh return 0; 14387332Sjkh } 14397332Sjkh#ifdef SCD_DEBUG 14407332Sjkh if (scd_debuglevel > 0) 14417332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14427332Sjkh else 14437332Sjkh#endif 14447332Sjkh printf("scd%d: timeout.\n", unit); 14457332Sjkh return EIO; 14467332Sjkh} 14477332Sjkh 14487332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14497332Sjkhstatic int 14507332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14517332Sjkh{ 14527332Sjkh struct scd_data *cd = scd_data + unit; 14537332Sjkh int rc; 14547332Sjkh 14557332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14567332Sjkh print_error(unit, rc); 14577332Sjkh return EIO; 14587332Sjkh } 14597332Sjkh 14607332Sjkh th->starting_track = cd->first_track; 14617332Sjkh th->ending_track = cd->last_track; 14627332Sjkh th->len = 0; /* not used */ 14637332Sjkh 14647332Sjkh return 0; 14657332Sjkh} 14667332Sjkh 14677332Sjkhstatic int 14687332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14697332Sjkh{ 14707332Sjkh struct scd_data *cd = scd_data + unit; 14717332Sjkh struct cd_toc_entry toc_entry; 14727332Sjkh int rc, i, len = te->data_len; 14737332Sjkh 14747332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14757332Sjkh print_error(unit, rc); 14767332Sjkh return EIO; 14777332Sjkh } 14787332Sjkh 14797332Sjkh /* find the toc to copy*/ 14807332Sjkh i = te->starting_track; 14817332Sjkh if (i == SCD_LASTPLUS1) 14827332Sjkh i = cd->last_track + 1; 14838876Srgrimes 14847332Sjkh /* verify starting track */ 14857332Sjkh if (i < cd->first_track || i > cd->last_track+1) 14867332Sjkh return EINVAL; 14877332Sjkh 14887332Sjkh /* valid length ? */ 14897332Sjkh if (len < sizeof(struct cd_toc_entry) 14907332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 14917332Sjkh return EINVAL; 14927332Sjkh 14937332Sjkh /* copy the toc data */ 14947332Sjkh toc_entry.control = cd->toc[i].ctl; 14957332Sjkh toc_entry.addr_type = te->address_format; 14967332Sjkh toc_entry.track = i; 14977332Sjkh if (te->address_format == CD_MSF_FORMAT) { 14987332Sjkh toc_entry.addr.msf.unused = 0; 14997332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15007332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15017332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15027332Sjkh } 15037332Sjkh 15047332Sjkh /* copy the data back */ 15057332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15067332Sjkh return EFAULT; 15077332Sjkh 15087332Sjkh return 0; 15097332Sjkh} 15107332Sjkh 151112517Sjulian 151225460Sjoergstatic int 151325460Sjoergscd_toc_entry (int unit, struct ioc_read_toc_single_entry *te) 151425460Sjoerg{ 151525460Sjoerg struct scd_data *cd = scd_data + unit; 151625460Sjoerg struct cd_toc_entry toc_entry; 151725460Sjoerg int rc, i; 151825460Sjoerg 151925460Sjoerg if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 152025460Sjoerg print_error(unit, rc); 152125460Sjoerg return EIO; 152225460Sjoerg } 152325460Sjoerg 152425460Sjoerg /* find the toc to copy*/ 152525460Sjoerg i = te->track; 152625460Sjoerg if (i == SCD_LASTPLUS1) 152725460Sjoerg i = cd->last_track + 1; 152825460Sjoerg 152925460Sjoerg /* verify starting track */ 153025460Sjoerg if (i < cd->first_track || i > cd->last_track+1) 153125460Sjoerg return EINVAL; 153225460Sjoerg 153325460Sjoerg /* copy the toc data */ 153425460Sjoerg toc_entry.control = cd->toc[i].ctl; 153525460Sjoerg toc_entry.addr_type = te->address_format; 153625460Sjoerg toc_entry.track = i; 153725460Sjoerg if (te->address_format == CD_MSF_FORMAT) { 153825460Sjoerg toc_entry.addr.msf.unused = 0; 153925460Sjoerg toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 154025460Sjoerg toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 154125460Sjoerg toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 154225460Sjoerg } 154325460Sjoerg 154425460Sjoerg /* copy the data back */ 154525460Sjoerg bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 154625460Sjoerg 154725460Sjoerg return 0; 154825460Sjoerg} 1549