scd.c revision 60041
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 60041 2000-05-05 09:59:14Z 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> 537332Sjkh#include <sys/conf.h> 5460041Sphk#include <sys/bio.h> 557332Sjkh#include <sys/cdio.h> 567332Sjkh#include <sys/disklabel.h> 5712675Sjulian#include <sys/kernel.h> 587369Sbde 597369Sbde#include <machine/clock.h> 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); 1717332Sjkhstruct isa_driver scddriver = { scd_probe, scd_attach, "scd" }; 1727332Sjkh 17329677Sgibbs/* For canceling our timeout */ 17429677Sgibbsstatic struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohanle); 17529677Sgibbs 17612675Sjulianstatic d_open_t scdopen; 17712675Sjulianstatic d_close_t scdclose; 17812675Sjulianstatic d_ioctl_t scdioctl; 17912675Sjulianstatic d_strategy_t scdstrategy; 18012675Sjulian 18112675Sjulian#define CDEV_MAJOR 45 18212675Sjulian#define BDEV_MAJOR 16 18337389Sjulianstatic struct cdevsw scd_cdevsw = { 18447625Sphk /* open */ scdopen, 18547625Sphk /* close */ scdclose, 18647625Sphk /* read */ physread, 18747625Sphk /* write */ nowrite, 18847625Sphk /* ioctl */ scdioctl, 18947625Sphk /* poll */ nopoll, 19047625Sphk /* mmap */ nommap, 19147625Sphk /* strategy */ scdstrategy, 19247625Sphk /* name */ "scd", 19347625Sphk /* maj */ CDEV_MAJOR, 19447625Sphk /* dump */ nodump, 19547625Sphk /* psize */ nopsize, 19647625Sphk /* flags */ D_DISK, 19747625Sphk /* bmaj */ BDEV_MAJOR 19847625Sphk}; 19912675Sjulian 20037389Sjulian 20142552Seivindstatic int 20242552Seivindscd_attach(struct isa_device *dev) 2037332Sjkh{ 20412675Sjulian int unit = dev->id_unit; 20512675Sjulian struct scd_data *cd = scd_data + unit; 2068876Srgrimes 2077332Sjkh cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ 2087332Sjkh 2097332Sjkh /* name filled in probe */ 2107332Sjkh printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); 2117332Sjkh 2127332Sjkh init_drive(dev->id_unit); 2137332Sjkh 2147332Sjkh cd->flags = SCDINIT; 2157332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 21659249Sphk bioq_init(&cd->head); 2177332Sjkh 21850254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0), 21950254Sphk UID_ROOT, GID_OPERATOR, 0640, "rscd%da", unit); 22050254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 22150254Sphk UID_ROOT, GID_OPERATOR, 0640, "rscd%dc", unit); 22250254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, 0), 22350254Sphk UID_ROOT, GID_OPERATOR, 0640, "scd%da", unit); 22450254Sphk make_dev(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 22550254Sphk UID_ROOT, GID_OPERATOR, 0640, "scd%dc", unit); 2267332Sjkh return 1; 2277332Sjkh} 2287332Sjkh 22912675Sjulianstatic int 23010624Sbdescdopen(dev_t dev, int flags, int fmt, struct proc *p) 2317332Sjkh{ 2327332Sjkh int unit,part,phys; 2337332Sjkh int rc; 2347332Sjkh struct scd_data *cd; 2358876Srgrimes 2367332Sjkh unit = scd_unit(dev); 2377332Sjkh if (unit >= NSCD) 2387332Sjkh return ENXIO; 2397332Sjkh 2407332Sjkh cd = scd_data + unit; 2417332Sjkh part = scd_part(dev); 2427332Sjkh phys = scd_phys(dev); 2438876Srgrimes 2447332Sjkh /* not initialized*/ 2457332Sjkh if (!(cd->flags & SCDINIT)) 2467332Sjkh return ENXIO; 2477332Sjkh 2487332Sjkh /* invalidated in the meantime? mark all open part's invalid */ 2497332Sjkh if (cd->openflag) 2507332Sjkh return ENXIO; 2517332Sjkh 2527332Sjkh XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS))); 2537332Sjkh 2547332Sjkh if ((rc = spin_up(unit)) != 0) { 2557332Sjkh print_error(unit, rc); 2567332Sjkh return EIO; 2577332Sjkh } 2587332Sjkh if (!(cd->flags & SCDTOC)) { 2597332Sjkh int loop_count = 3; 2607332Sjkh 26146833Sphk while (loop_count-- > 0 && (rc = read_toc(unit)) != 0) { 2627332Sjkh if (rc == ERR_NOT_SPINNING) { 2637332Sjkh rc = spin_up(unit); 2647332Sjkh if (rc) { 2657332Sjkh print_error(unit, rc);\ 2667332Sjkh return EIO; 2677332Sjkh } 2687332Sjkh continue; 2697332Sjkh } 2707332Sjkh printf("scd%d: TOC read error 0x%x\n", unit, rc); 2717332Sjkh return EIO; 2727332Sjkh } 2737332Sjkh } 2747332Sjkh 27551111Sjulian dev->si_bsize_phys = cd->blksize; 27651111Sjulian 2777332Sjkh cd->openflag = 1; 2787332Sjkh cd->flags |= SCDVALID; 2797332Sjkh 2807332Sjkh return 0; 2817332Sjkh} 2827332Sjkh 28312675Sjulianstatic int 28410624Sbdescdclose(dev_t dev, int flags, int fmt, struct proc *p) 2857332Sjkh{ 2867332Sjkh int unit,part,phys; 2877332Sjkh struct scd_data *cd; 2888876Srgrimes 2897332Sjkh unit = scd_unit(dev); 2907332Sjkh if (unit >= NSCD) 2917332Sjkh return ENXIO; 2927332Sjkh 2937332Sjkh cd = scd_data + unit; 2947332Sjkh part = scd_part(dev); 2957332Sjkh phys = scd_phys(dev); 2968876Srgrimes 2978876Srgrimes if (!(cd->flags & SCDINIT) || !cd->openflag) 2987332Sjkh return ENXIO; 2997332Sjkh 3007332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) { 3017332Sjkh (void)send_cmd(unit, CMD_SPIN_DOWN, 0); 3027332Sjkh cd->flags &= ~SCDSPINNING; 3037332Sjkh } 3047332Sjkh 3057332Sjkh 3067332Sjkh /* close channel */ 3077332Sjkh cd->openflag = 0; 3087332Sjkh 3097332Sjkh return 0; 3107332Sjkh} 3117332Sjkh 31212675Sjulianstatic void 31359249Sphkscdstrategy(struct bio *bp) 3147332Sjkh{ 3157332Sjkh struct scd_data *cd; 3167332Sjkh int s; 31759249Sphk int unit = scd_unit(bp->bio_dev); 3187332Sjkh 3197332Sjkh cd = scd_data + unit; 3207332Sjkh 32137618Sbde XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", 32259249Sphk unit, (long)bp->bio_blkno, bp->bio_bcount)); 3237332Sjkh 32459249Sphk if (unit >= NSCD || bp->bio_blkno < 0 || (bp->bio_bcount % SCDBLKSIZE)) { 3258376Srgrimes printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n", 32659249Sphk unit, (long)bp->bio_blkno, bp->bio_bcount); 32759249Sphk bp->bio_error = EINVAL; 32859249Sphk bp->bio_flags |= BIO_ERROR; 3297332Sjkh goto bad; 3307332Sjkh } 3317332Sjkh 3327332Sjkh /* if device invalidated (e.g. media change, door open), error */ 3337332Sjkh if (!(cd->flags & SCDVALID)) { 3347332Sjkh printf("scd%d: media changed\n", unit); 33559249Sphk bp->bio_error = EIO; 3367332Sjkh goto bad; 3377332Sjkh } 3387332Sjkh 3397332Sjkh /* read only */ 34059249Sphk if (!(bp->bio_cmd == BIO_READ)) { 34159249Sphk bp->bio_error = EROFS; 3427332Sjkh goto bad; 3437332Sjkh } 3448876Srgrimes 3457332Sjkh /* no data to read */ 34659249Sphk if (bp->bio_bcount == 0) 3477332Sjkh goto done; 3488876Srgrimes 3497332Sjkh if (!(cd->flags & SCDTOC)) { 35059249Sphk bp->bio_error = EIO; 3517332Sjkh goto bad; 3527332Sjkh } 3537332Sjkh /* adjust transfer if necessary */ 3547332Sjkh if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) 3557332Sjkh goto done; 3567332Sjkh 35759249Sphk bp->bio_pblkno = bp->bio_blkno; 35859249Sphk bp->bio_resid = 0; 3598876Srgrimes 3607332Sjkh /* queue it */ 3617332Sjkh s = splbio(); 36259249Sphk bioqdisksort(&cd->head, bp); 3637332Sjkh splx(s); 3648876Srgrimes 3657332Sjkh /* now check whether we can perform processing */ 3667332Sjkh scd_start(unit); 3677332Sjkh return; 3687332Sjkh 3697332Sjkhbad: 37059249Sphk bp->bio_flags |= BIO_ERROR; 3717332Sjkhdone: 37259249Sphk bp->bio_resid = bp->bio_bcount; 3737332Sjkh biodone(bp); 3747332Sjkh return; 3757332Sjkh} 3767332Sjkh 3777332Sjkhstatic void 3787332Sjkhscd_start(int unit) 3797332Sjkh{ 3807332Sjkh struct scd_data *cd = scd_data + unit; 38159249Sphk struct bio *bp; 3827332Sjkh struct partition *p; 38346573Speter int s = splbio(); 3848876Srgrimes 3857332Sjkh if (cd->flags & SCDMBXBSY) { 3867332Sjkh splx(s); 3877332Sjkh return; 3887332Sjkh } 3897332Sjkh 39059249Sphk bp = bioq_first(&cd->head); 39115574Sphk if (bp != 0) { 3927332Sjkh /* block found to process, dequeue */ 39359249Sphk bioq_remove(&cd->head, bp); 3947332Sjkh cd->flags |= SCDMBXBSY; 3957332Sjkh splx(s); 3967332Sjkh } else { 3977332Sjkh /* nothing to do */ 3987332Sjkh splx(s); 3997332Sjkh return; 4007332Sjkh } 4017332Sjkh 40259249Sphk p = cd->dlabel.d_partitions + scd_part(bp->bio_dev); 4037332Sjkh 4047332Sjkh cd->mbx.unit = unit; 4057332Sjkh cd->mbx.port = cd->iobase; 4067332Sjkh cd->mbx.retry = 3; 4077332Sjkh cd->mbx.bp = bp; 4087332Sjkh cd->mbx.p_offset = p->p_offset; 4097332Sjkh splx(s); 4107332Sjkh 4117332Sjkh scd_doread(SCD_S_BEGIN,&(cd->mbx)); 4127332Sjkh return; 4137332Sjkh} 4147332Sjkh 41512675Sjulianstatic int 41636735Sdfrscdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p) 4177332Sjkh{ 4187332Sjkh struct scd_data *cd; 4197332Sjkh int unit,part; 4208876Srgrimes 4217332Sjkh unit = scd_unit(dev); 4227332Sjkh part = scd_part(dev); 4237332Sjkh cd = scd_data + unit; 4247332Sjkh 42537618Sbde XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd)); 4267332Sjkh 4277332Sjkh if (!(cd->flags & SCDVALID)) 4287332Sjkh return EIO; 4297332Sjkh 4307332Sjkh switch (cmd) { 4317332Sjkh case DIOCGDINFO: 4327332Sjkh *(struct disklabel *)addr = cd->dlabel; 4337332Sjkh return 0; 4347332Sjkh case DIOCGPART: 4357332Sjkh ((struct partinfo *)addr)->disklab = &cd->dlabel; 4367332Sjkh ((struct partinfo *)addr)->part = 4377332Sjkh &cd->dlabel.d_partitions[0]; 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; 69447640Sphk static int once; 6957332Sjkh 69647640Sphk if (!once++) 69747640Sphk cdevsw_add(&scd_cdevsw); 69847640Sphk 6997332Sjkh scd_data[unit].flags = SCDPROBING; 7007332Sjkh scd_data[unit].iobase = dev->id_iobase; 7017332Sjkh 7027332Sjkh bzero(&drive_config, sizeof(drive_config)); 7037332Sjkh 7047332Sjkhagain: 7057332Sjkh /* Reset drive */ 7067332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7077332Sjkh 7087332Sjkh /* Calm down */ 7097332Sjkh DELAY(300000); 7107332Sjkh 7117332Sjkh /* Only the ATTENTION bit may be set */ 7127332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7137332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7147332Sjkh return 0; 7157332Sjkh } 7167332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7177332Sjkh if (rc != sizeof(drive_config)) { 7187332Sjkh /* Sometimes if the drive is playing audio I get */ 7197332Sjkh /* the bad result 82. Fix by repeating the reset */ 7207332Sjkh if (rc > 0 && loop_count++ == 0) 7217332Sjkh goto again; 7227332Sjkh return 0; 7237332Sjkh } 7247332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7257332Sjkh return 0; 7267332Sjkh 7277332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7287332Sjkh s = namebuf+8; 7297332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7307332Sjkh s--; 7317332Sjkh *s++ = ' '; 7327332Sjkh bcopy(drive_config.product, s, 16); 7337332Sjkh s += 16; 7347332Sjkh while (*(s-1) == ' ') 7357332Sjkh s--; 7367332Sjkh *s++ = ' '; 7377332Sjkh bcopy(drive_config.revision, s, 8); 7387332Sjkh s += 8; 7397332Sjkh while (*(s-1) == ' ') 7407332Sjkh s--; 7417332Sjkh *s = 0; 7427332Sjkh 7437332Sjkh scd_data[unit].name = namebuf; 7447332Sjkh 7457332Sjkh if (drive_config.config & 0x10) 7467332Sjkh scd_data[unit].double_speed = 1; 7477332Sjkh else 7487332Sjkh scd_data[unit].double_speed = 0; 7497332Sjkh 7507332Sjkh return 4; 7517332Sjkh} 7527332Sjkh 7537332Sjkhstatic int 7547332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7557332Sjkh{ 7567332Sjkh int rc; 7577332Sjkh 7587332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7597332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7607332Sjkh return EIO; 7617332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7627332Sjkh return EIO; 7637332Sjkh return 0; 7647332Sjkh} 7657332Sjkh 7667332Sjkh/* State machine copied from mcd.c */ 7677332Sjkh 7687332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7697332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7707332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7717332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7727332Sjkh 7737332Sjkh/* state machine to process read requests 7747332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7757332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7767332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7777332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7787332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7797332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7807332Sjkh */ 7817332Sjkh 7827332Sjkhstatic struct scd_mbx *mbxsave; 7837332Sjkh 7847332Sjkhstatic void 78525056Sbdescd_timeout(void *arg) 78625056Sbde{ 78725056Sbde scd_doread((int)arg, mbxsave); 78825056Sbde} 78925056Sbde 79025056Sbdestatic void 7917332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7927332Sjkh{ 7937332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 7947332Sjkh int unit = mbx->unit; 7957332Sjkh int port = mbx->port; 79659249Sphk struct bio *bp = mbx->bp; 7977332Sjkh struct scd_data *cd = scd_data + unit; 79811872Sphk int reg,i; 7997332Sjkh int blknum; 8007332Sjkh caddr_t addr; 8017332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 8027332Sjkh 8037332Sjkhloop: 8047332Sjkh switch (state) { 8057332Sjkh case SCD_S_BEGIN: 8067332Sjkh mbx = mbxsave = mbxin; 8077332Sjkh 8087332Sjkh case SCD_S_BEGIN1: 8097332Sjkh /* get status */ 8107332Sjkh mbx->count = RDELAY_WAIT; 8117332Sjkh 8127332Sjkh process_attention(unit); 8137332Sjkh goto trystat; 8147332Sjkh 8157332Sjkh case SCD_S_WAITSTAT: 81629677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT, tohandle); 8177332Sjkh if (mbx->count-- <= 0) { 8187332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8197332Sjkh goto harderr; 8207332Sjkh } 8217332Sjkh 8227332Sjkhtrystat: 8237332Sjkh if (IS_BUSY(port)) { 82429677Sgibbs tohandle = timeout(scd_timeout, 82529677Sgibbs (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8267332Sjkh return; 8277332Sjkh } 8288876Srgrimes 8297332Sjkh process_attention(unit); 8307332Sjkh 8317332Sjkh /* reject, if audio active */ 8327332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8337332Sjkh printf("scd%d: audio is active\n",unit); 8347332Sjkh goto harderr; 8357332Sjkh } 8367332Sjkh 8377332Sjkh mbx->sz = cd->blksize; 8387332Sjkh 8397332Sjkh /* for first block */ 84059249Sphk mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 8417332Sjkh mbx->skip = 0; 8427332Sjkh 8437332Sjkhnextblock: 8447332Sjkh if (!(cd->flags & SCDVALID)) 8457332Sjkh goto changed; 8467332Sjkh 84759249Sphk blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE)) 8487332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8497332Sjkh 8507332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8517332Sjkh 8527332Sjkh /* build parameter block */ 8537332Sjkh hsg2msf(blknum, sdata); 8547332Sjkh 8557332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8567332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8577332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8587332Sjkh 8597332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8607332Sjkh goto writeparam; 8617332Sjkh 8627332Sjkh mbx->count = 100; 86329677Sgibbs tohandle = timeout(scd_timeout, 86429677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8657332Sjkh return; 8667332Sjkh 8677332Sjkh case SCD_S_WAITSPIN: 86829677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN, tohandle); 8697332Sjkh if (mbx->count-- <= 0) { 8707332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8717332Sjkh goto harderr; 8727332Sjkh } 8737332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 87429677Sgibbs tohandle = timeout(scd_timeout, 87529677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8767332Sjkh return; 8777332Sjkh } 8787332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8797332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8807332Sjkh case 0x20: 8817332Sjkh i = inb(port+IREG_RESULT); 8827332Sjkh print_error(unit, i); 8837332Sjkh goto harderr; 8847332Sjkh case 0x00: 8857332Sjkh (void)inb(port+IREG_RESULT); 8867332Sjkh cd->flags |= SCDSPINNING; 8877332Sjkh break; 8887332Sjkh } 8897332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8907332Sjkh 8917332Sjkh state = SCD_S_BEGIN1; 8927332Sjkh goto loop; 8937332Sjkh 8947332Sjkh case SCD_S_WAITFIFO: 89529677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO, tohandle); 8967332Sjkh if (mbx->count-- <= 0) { 8977332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 8987332Sjkh goto harderr; 8997332Sjkh } 9007332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 90129677Sgibbs tohandle = timeout(scd_timeout, 90229677Sgibbs (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 9037332Sjkh return; 9047332Sjkh } 9057332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9067332Sjkh 9077332Sjkhwriteparam: 9087332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9097332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9107332Sjkh if (!(cd->flags & SCDSPINNING)) { 9117332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9127332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9137332Sjkh mbx->count = 300; 91429677Sgibbs tohandle = timeout(scd_timeout, 91529677Sgibbs (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9167332Sjkh return; 9177332Sjkh } 9187332Sjkh 9197332Sjkh reg = port + OREG_WPARAMS; 9207332Sjkh /* send the read command */ 9217332Sjkh disable_intr(); 9227332Sjkh outb(reg, sdata[0]); 9237332Sjkh outb(reg, sdata[1]); 9247332Sjkh outb(reg, sdata[2]); 9257332Sjkh outb(reg, 0); 9267332Sjkh outb(reg, 0); 9277332Sjkh outb(reg, 1); 9287332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9297332Sjkh enable_intr(); 9307332Sjkh 9317332Sjkh mbx->count = RDELAY_WAITREAD; 9327332Sjkh for (i = 0; i < 50; i++) { 9337332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9347332Sjkh goto got_data; 9357332Sjkh DELAY(100); 9367332Sjkh } 9377332Sjkh 93829677Sgibbs tohandle = timeout(scd_timeout, 93929677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9407332Sjkh return; 9417332Sjkh 9427332Sjkh case SCD_S_WAITREAD: 94329677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD, tohandle); 9447332Sjkh if (mbx->count-- <= 0) { 9457332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9467332Sjkh goto got_param; 9477332Sjkh printf("scd%d: timeout while reading data\n",unit); 9487332Sjkh goto readerr; 9497332Sjkh } 9507332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9517332Sjkh process_attention(unit); 9527332Sjkh if (!(cd->flags & SCDVALID)) 9537332Sjkh goto changed; 95429677Sgibbs tohandle = timeout(scd_timeout, 95529677Sgibbs (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9567332Sjkh return; 9577332Sjkh } 9587332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9597332Sjkh 9607332Sjkhgot_data: 9617332Sjkh /* data is ready */ 96259249Sphk addr = bp->bio_data + mbx->skip; 9637332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9647332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9657332Sjkh 9667332Sjkh mbx->count = 100; 9677332Sjkh for (i = 0; i < 20; i++) { 9687332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9697332Sjkh goto waitfor_param; 9707332Sjkh DELAY(100); 9717332Sjkh } 9727332Sjkh goto waitfor_param; 9737332Sjkh 9747332Sjkh case SCD_S_WAITPARAM: 97529677Sgibbs untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM, tohandle); 9767332Sjkh if (mbx->count-- <= 0) { 9777332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9787332Sjkh goto readerr; 9797332Sjkh } 9807332Sjkh 9817332Sjkhwaitfor_param: 9827332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 98329677Sgibbs tohandle = timeout(scd_timeout, 98429677Sgibbs (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9857332Sjkh return; 9867332Sjkh } 9877332Sjkh#if SCD_DEBUG 9887332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9897332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9907332Sjkh#endif 9917332Sjkh 9927332Sjkhgot_param: 9937332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 9947332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 9957332Sjkh case 0x50: 9967332Sjkh switch (i) { 9977332Sjkh case ERR_FATAL_READ_ERROR1: 9987332Sjkh case ERR_FATAL_READ_ERROR2: 9997332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 10007332Sjkh goto harderr; 10017332Sjkh } 10027332Sjkh break; 10037332Sjkh case 0x20: 10047332Sjkh i = inb(port+IREG_RESULT); 10057332Sjkh switch (i) { 10067332Sjkh case ERR_NOT_SPINNING: 10077332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10087332Sjkh if (mbx->retry-- > 0) { 10097332Sjkh state = SCD_S_BEGIN1; 10107332Sjkh cd->flags &= ~SCDSPINNING; 10117332Sjkh goto loop; 10127332Sjkh } 10137332Sjkh goto harderr; 10147332Sjkh default: 10157332Sjkh print_error(unit, i); 10167332Sjkh goto readerr; 10177332Sjkh } 10187332Sjkh case 0x00: 10197332Sjkh i = inb(port+IREG_RESULT); 10207332Sjkh break; 10217332Sjkh } 10227332Sjkh 10237332Sjkh if (--mbx->nblk > 0) { 10247332Sjkh mbx->skip += mbx->sz; 10257332Sjkh goto nextblock; 10267332Sjkh } 10277332Sjkh 10287332Sjkh /* return buffer */ 102959249Sphk bp->bio_resid = 0; 10307332Sjkh biodone(bp); 10317332Sjkh 10327332Sjkh cd->flags &= ~SCDMBXBSY; 10337332Sjkh scd_start(mbx->unit); 10347332Sjkh return; 10357332Sjkh } 10367332Sjkh 10377332Sjkhreaderr: 10387332Sjkh if (mbx->retry-- > 0) { 10397332Sjkh printf("scd%d: retrying ...\n",unit); 10407332Sjkh state = SCD_S_BEGIN1; 10417332Sjkh goto loop; 10427332Sjkh } 10437332Sjkhharderr: 10447332Sjkh /* invalidate the buffer */ 104559249Sphk bp->bio_error = EIO; 104659249Sphk bp->bio_flags |= BIO_ERROR; 104759249Sphk bp->bio_resid = bp->bio_bcount; 10487332Sjkh biodone(bp); 10497332Sjkh 10507332Sjkh cd->flags &= ~SCDMBXBSY; 10517332Sjkh scd_start(mbx->unit); 10527332Sjkh return; 10537332Sjkh 10547332Sjkhchanged: 10557332Sjkh printf("scd%d: media changed\n", unit); 10567332Sjkh goto harderr; 10577332Sjkh} 10587332Sjkh 10597332Sjkhstatic void 10607332Sjkhhsg2msf(int hsg, bcd_t *msf) 10617332Sjkh{ 10627332Sjkh hsg += 150; 10637332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10647332Sjkh hsg %= 4500; 10657332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10667332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10677332Sjkh} 10687332Sjkh 10697332Sjkhstatic int 10707332Sjkhmsf2hsg(bcd_t *msf) 10717332Sjkh{ 10727332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10737332Sjkh bcd2bin(S_msf(msf))) * 75 + 10747332Sjkh bcd2bin(F_msf(msf)) - 150; 10757332Sjkh} 10767332Sjkh 10777332Sjkhstatic void 10787332Sjkhprocess_attention(unsigned unit) 10797332Sjkh{ 10807332Sjkh unsigned port = scd_data[unit].iobase; 10817332Sjkh unsigned char code; 10827332Sjkh int count = 0; 10837332Sjkh 10847332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 10857332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 10867332Sjkh code = inb(port+IREG_RESULT); 10877332Sjkh 10887332Sjkh#if SCD_DEBUG 10897332Sjkh if (scd_debuglevel > 0) { 10907332Sjkh if (count == 1) 10917332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 10927332Sjkh else 10937332Sjkh printf(",0x%x", code); 10947332Sjkh } 10957332Sjkh#endif 10967332Sjkh 10977332Sjkh switch (code) { 10987332Sjkh case ATTEN_SPIN_DOWN: 10997332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 11007332Sjkh break; 11017332Sjkh 11027332Sjkh case ATTEN_SPIN_UP_DONE: 11037332Sjkh scd_data[unit].flags |= SCDSPINNING; 11047332Sjkh break; 11057332Sjkh 11067332Sjkh case ATTEN_AUDIO_DONE: 11077332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11087332Sjkh break; 11097332Sjkh 11107332Sjkh case ATTEN_DRIVE_LOADED: 11117332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11127332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11137332Sjkh break; 11147332Sjkh 11157332Sjkh case ATTEN_EJECT_PUSHED: 11167332Sjkh scd_data[unit].flags &= ~SCDVALID; 11177332Sjkh break; 11187332Sjkh } 11197332Sjkh DELAY(100); 11207332Sjkh } 11217332Sjkh#if SCD_DEBUG 11227332Sjkh if (scd_debuglevel > 0 && count > 0) 11237332Sjkh printf("\n"); 11247332Sjkh#endif 11257332Sjkh} 11267332Sjkh 11277332Sjkh/* Returns 0 OR sony error code */ 11287332Sjkhstatic int 11297332Sjkhspin_up(unsigned unit) 11307332Sjkh{ 11317332Sjkh unsigned char res_reg[12]; 11327332Sjkh unsigned int res_size; 11337332Sjkh int rc; 11347332Sjkh int loop_count = 0; 11357332Sjkh 11367332Sjkhagain: 113717108Sbde rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 11387332Sjkh if (rc != 0) { 11397332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11407332Sjkh return rc; 11417332Sjkh } 11427332Sjkh 11437332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11447332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11457332Sjkh if (rc == ERR_NOT_SPINNING) { 11467332Sjkh if (loop_count++ < 3) 11477332Sjkh goto again; 11487332Sjkh return rc; 11497332Sjkh } 11507332Sjkh if (rc != 0) 11517332Sjkh return rc; 11527332Sjkh } 11537332Sjkh 11547332Sjkh scd_data[unit].flags |= SCDSPINNING; 11557332Sjkh 11567332Sjkh return 0; 11577332Sjkh} 11587332Sjkh 11597332Sjkhstatic struct sony_tracklist * 11607332Sjkhget_tl(struct sony_toc *toc, int size) 11617332Sjkh{ 11627332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11637332Sjkh 11647332Sjkh if (tl->track != 0xb0) 11657332Sjkh return tl; 11667332Sjkh (char *)tl += 9; 11678876Srgrimes if (tl->track != 0xb1) 11687332Sjkh return tl; 11697332Sjkh (char *)tl += 9; 11708876Srgrimes if (tl->track != 0xb2) 11717332Sjkh return tl; 11727332Sjkh (char *)tl += 9; 11738876Srgrimes if (tl->track != 0xb3) 11747332Sjkh return tl; 11757332Sjkh (char *)tl += 9; 11768876Srgrimes if (tl->track != 0xb4) 11777332Sjkh return tl; 11787332Sjkh (char *)tl += 9; 11798876Srgrimes if (tl->track != 0xc0) 11807332Sjkh return tl; 11817332Sjkh (char *)tl += 9; 11827332Sjkh return tl; 11837332Sjkh} 11847332Sjkh 11857332Sjkhstatic int 118646833Sphkread_toc(unsigned unit) 11877332Sjkh{ 11887332Sjkh struct scd_data *cd; 11897332Sjkh unsigned part = 0; /* For now ... */ 11907332Sjkh struct sony_toc toc; 11917332Sjkh struct sony_tracklist *tl; 11927332Sjkh int rc, i, j; 11937332Sjkh u_long first, last; 11947332Sjkh 11957332Sjkh cd = scd_data + unit; 11967332Sjkh 11977332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 11987332Sjkh if (rc < 0) 11997332Sjkh return rc; 12007332Sjkh if (rc > sizeof(toc)) { 12017332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 12027332Sjkh return EIO; 12037332Sjkh } 12047332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12057332Sjkh return EIO; 12067332Sjkh 12077332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12087332Sjkh 12097332Sjkh tl = get_tl(&toc, rc); 12107332Sjkh first = msf2hsg(tl->start_msf); 12117332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12127332Sjkh cd->blksize = SCDBLKSIZE; 12137332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12147332Sjkh 12158376Srgrimes XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit, 12167332Sjkh first, last)); 12177332Sjkh 12187332Sjkh cd->first_track = bcd2bin(toc.first_track); 12197332Sjkh cd->last_track = bcd2bin(toc.last_track); 12207332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12217332Sjkh cd->last_track = MAX_TRACKS-2; 12227332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12237332Sjkh cd->toc[i].adr = tl[j].adr; 12247332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12257332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12267332Sjkh#ifdef SCD_DEBUG 12277332Sjkh if (scd_debuglevel > 0) { 12287332Sjkh if ((j % 3) == 0) 12297332Sjkh printf("\nscd%d: tracks ", unit); 12307332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12317332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12327332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12337332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12347332Sjkh } 12357332Sjkh#endif 12367332Sjkh } 12377332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12387332Sjkh#ifdef SCD_DEBUG 12397332Sjkh if (scd_debuglevel > 0) { 12407332Sjkh i = cd->last_track+1; 12417332Sjkh printf("[END: %2d %2d %2d]\n", 12427332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12437332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12447332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12457332Sjkh } 12467332Sjkh#endif 12477332Sjkh 12487332Sjkh bzero(&cd->dlabel,sizeof(struct disklabel)); 12497332Sjkh /* filled with spaces first */ 12507332Sjkh strncpy(cd->dlabel.d_typename," ", 12517332Sjkh sizeof(cd->dlabel.d_typename)); 12527332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12537332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12547332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12557332Sjkh sizeof(cd->dlabel.d_packname)); 12567332Sjkh cd->dlabel.d_secsize = cd->blksize; 12577332Sjkh cd->dlabel.d_nsectors = 100; 12587332Sjkh cd->dlabel.d_ntracks = 1; 12597332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12607332Sjkh cd->dlabel.d_secpercyl = 100; 12617332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12627332Sjkh cd->dlabel.d_rpm = 300; 12637332Sjkh cd->dlabel.d_interleave = 1; 12647332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12657332Sjkh cd->dlabel.d_npartitions= 1; 12667332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12677332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12687332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12697332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12707332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12717332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12727332Sjkh 12737332Sjkh cd->flags |= SCDTOC; 12747332Sjkh 12757332Sjkh return 0; 12767332Sjkh} 12777332Sjkh 12787332Sjkhstatic void 12797332Sjkhinit_drive(unsigned unit) 12807332Sjkh{ 12817332Sjkh int rc; 12827332Sjkh 12837332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 12847332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 12857332Sjkh if (rc != 0) 12867332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 12877332Sjkh} 12887332Sjkh 12897332Sjkh/* Returns 0 or errno */ 12907332Sjkhstatic int 12917332Sjkhget_result(u_int unit, int result_len, u_char *result) 12927332Sjkh{ 12937332Sjkh unsigned int port = scd_data[unit].iobase; 12947332Sjkh unsigned int res_reg = port + IREG_RESULT; 12957332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 12967332Sjkh 12977332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 12987332Sjkh 12997332Sjkh while (result_len-- > 0) { 13007332Sjkh if (loop_index++ >= 10) { 13017332Sjkh loop_index = 1; 13027332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 13037332Sjkh return EIO; 13047332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13057332Sjkh } 13067332Sjkh if (result) 13077332Sjkh *result++ = inb(res_reg); 13087332Sjkh else 13097332Sjkh (void)inb(res_reg); 13107332Sjkh } 13117332Sjkh return 0; 13127332Sjkh} 13137332Sjkh 13147332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13157332Sjkhstatic int 13167332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13177332Sjkh{ 13187332Sjkh va_list ap; 13197332Sjkh u_int port = scd_data[unit].iobase; 13207332Sjkh u_int reg; 13217332Sjkh u_char c; 13227332Sjkh int rc; 13237332Sjkh int i; 13247332Sjkh 13257332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13267332Sjkh printf("scd%d: drive busy\n", unit); 13277332Sjkh return -0x100; 13287332Sjkh } 13297332Sjkh 13307332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13317332Sjkh 13327332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13337332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13347332Sjkh 13357332Sjkh for (i = 0; i < 100; i++) 13367332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13377332Sjkh break; 13387332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13397332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13407332Sjkh return -EIO; 13417332Sjkh } 13428876Srgrimes 13437332Sjkh va_start(ap, nargs); 13447332Sjkh reg = port + OREG_WPARAMS; 13457332Sjkh for (i = 0; i < nargs; i++) { 13467332Sjkh c = (u_char)va_arg(ap, int); 13477332Sjkh outb(reg, c); 13487332Sjkh XDEBUG(1, (",{0x%x}", c)); 13497332Sjkh } 13507332Sjkh va_end(ap); 13517332Sjkh XDEBUG(1, ("\n")); 13527332Sjkh 13537332Sjkh outb(port+OREG_COMMAND, cmd); 13547332Sjkh 135511872Sphk rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY); 135611872Sphk if (rc) 13577332Sjkh return -0x100; 13587332Sjkh 13597332Sjkh reg = port + IREG_RESULT; 13607332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13617332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13627332Sjkh case 0x20: 13637332Sjkh rc = inb(reg); 13647332Sjkh /* FALL TROUGH */ 13657332Sjkh case 0x50: 13667332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13677332Sjkh return -rc; 13687332Sjkh case 0x00: 13697332Sjkh default: 13707332Sjkh rc = inb(reg); 13717332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13727332Sjkh return rc; 13737332Sjkh } 13747332Sjkh} 13757332Sjkh 13767332Sjkhstatic void 13777332Sjkhprint_error(int unit, int errcode) 13787332Sjkh{ 13797332Sjkh switch (errcode) { 13807332Sjkh case -ERR_CD_NOT_LOADED: 13817332Sjkh printf("scd%d: door is open\n", unit); 13827332Sjkh break; 13837332Sjkh case -ERR_NO_CD_INSIDE: 13847332Sjkh printf("scd%d: no cd inside\n", unit); 13857332Sjkh break; 13867332Sjkh default: 13877332Sjkh if (errcode == -0x100 || errcode > 0) 13887332Sjkh printf("scd%d: device timeout\n", unit); 13897332Sjkh else 13907332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 13917332Sjkh break; 13927332Sjkh } 13937332Sjkh} 13947332Sjkh 13957332Sjkh/* Returns 0 or errno value */ 13967332Sjkhstatic int 13977332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 13987332Sjkh{ 13997332Sjkh u_int port = scd_data[unit].iobase; 14007332Sjkh u_int flags = scd_data[unit].flags; 14017332Sjkh u_int reg = port + IREG_STATUS; 14027332Sjkh u_int max_loop; 14037332Sjkh u_char c = 0; 14047332Sjkh 14057332Sjkh if (flags & SCDPROBING) { 14067332Sjkh max_loop = 0; 14077332Sjkh while (max_loop++ < 1000) { 14087332Sjkh c = inb(reg); 14097332Sjkh if (c == 0xff) 14107332Sjkh return EIO; 14117332Sjkh if (c & SBIT_ATTENTION) { 14127332Sjkh process_attention(unit); 14137332Sjkh continue; 14147332Sjkh } 14157332Sjkh if ((c & bits_set) == bits_set && 14167332Sjkh (c & bits_clear) == 0) 14177332Sjkh { 14187332Sjkh break; 14197332Sjkh } 14207332Sjkh DELAY(10000); 14217332Sjkh } 14227332Sjkh } else { 14237332Sjkh max_loop = 100; 14247332Sjkh while (max_loop-- > 0) { 14257332Sjkh c = inb(reg); 14267332Sjkh if (c & SBIT_ATTENTION) { 14277332Sjkh process_attention(unit); 14287332Sjkh continue; 14297332Sjkh } 14307332Sjkh if ((c & bits_set) == bits_set && 14317332Sjkh (c & bits_clear) == 0) 14327332Sjkh { 14337332Sjkh break; 14347332Sjkh } 14357332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14367332Sjkh } 14377332Sjkh } 14387332Sjkh if ((c & bits_set) == bits_set && 14397332Sjkh (c & bits_clear) == 0) 14407332Sjkh { 14417332Sjkh return 0; 14427332Sjkh } 14437332Sjkh#ifdef SCD_DEBUG 14447332Sjkh if (scd_debuglevel > 0) 14457332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14467332Sjkh else 14477332Sjkh#endif 14487332Sjkh printf("scd%d: timeout.\n", unit); 14497332Sjkh return EIO; 14507332Sjkh} 14517332Sjkh 14527332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14537332Sjkhstatic int 14547332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14557332Sjkh{ 14567332Sjkh struct scd_data *cd = scd_data + unit; 14577332Sjkh int rc; 14587332Sjkh 14597332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14607332Sjkh print_error(unit, rc); 14617332Sjkh return EIO; 14627332Sjkh } 14637332Sjkh 14647332Sjkh th->starting_track = cd->first_track; 14657332Sjkh th->ending_track = cd->last_track; 14667332Sjkh th->len = 0; /* not used */ 14677332Sjkh 14687332Sjkh return 0; 14697332Sjkh} 14707332Sjkh 14717332Sjkhstatic int 14727332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14737332Sjkh{ 14747332Sjkh struct scd_data *cd = scd_data + unit; 14757332Sjkh struct cd_toc_entry toc_entry; 14767332Sjkh int rc, i, len = te->data_len; 14777332Sjkh 14787332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14797332Sjkh print_error(unit, rc); 14807332Sjkh return EIO; 14817332Sjkh } 14827332Sjkh 14837332Sjkh /* find the toc to copy*/ 14847332Sjkh i = te->starting_track; 14857332Sjkh if (i == SCD_LASTPLUS1) 14867332Sjkh i = cd->last_track + 1; 14878876Srgrimes 14887332Sjkh /* verify starting track */ 14897332Sjkh if (i < cd->first_track || i > cd->last_track+1) 14907332Sjkh return EINVAL; 14917332Sjkh 14927332Sjkh /* valid length ? */ 14937332Sjkh if (len < sizeof(struct cd_toc_entry) 14947332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 14957332Sjkh return EINVAL; 14967332Sjkh 14977332Sjkh /* copy the toc data */ 14987332Sjkh toc_entry.control = cd->toc[i].ctl; 14997332Sjkh toc_entry.addr_type = te->address_format; 15007332Sjkh toc_entry.track = i; 15017332Sjkh if (te->address_format == CD_MSF_FORMAT) { 15027332Sjkh toc_entry.addr.msf.unused = 0; 15037332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15047332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15057332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15067332Sjkh } 15077332Sjkh 15087332Sjkh /* copy the data back */ 15097332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15107332Sjkh return EFAULT; 15117332Sjkh 15127332Sjkh return 0; 15137332Sjkh} 15147332Sjkh 151512517Sjulian 151625460Sjoergstatic int 151725460Sjoergscd_toc_entry (int unit, struct ioc_read_toc_single_entry *te) 151825460Sjoerg{ 151925460Sjoerg struct scd_data *cd = scd_data + unit; 152025460Sjoerg struct cd_toc_entry toc_entry; 152125460Sjoerg int rc, i; 152225460Sjoerg 152325460Sjoerg if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 152425460Sjoerg print_error(unit, rc); 152525460Sjoerg return EIO; 152625460Sjoerg } 152725460Sjoerg 152825460Sjoerg /* find the toc to copy*/ 152925460Sjoerg i = te->track; 153025460Sjoerg if (i == SCD_LASTPLUS1) 153125460Sjoerg i = cd->last_track + 1; 153225460Sjoerg 153325460Sjoerg /* verify starting track */ 153425460Sjoerg if (i < cd->first_track || i > cd->last_track+1) 153525460Sjoerg return EINVAL; 153625460Sjoerg 153725460Sjoerg /* copy the toc data */ 153825460Sjoerg toc_entry.control = cd->toc[i].ctl; 153925460Sjoerg toc_entry.addr_type = te->address_format; 154025460Sjoerg toc_entry.track = i; 154125460Sjoerg if (te->address_format == CD_MSF_FORMAT) { 154225460Sjoerg toc_entry.addr.msf.unused = 0; 154325460Sjoerg toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 154425460Sjoerg toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 154525460Sjoerg toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 154625460Sjoerg } 154725460Sjoerg 154825460Sjoerg /* copy the data back */ 154925460Sjoerg bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 155025460Sjoerg 155125460Sjoerg return 0; 155225460Sjoerg} 1553