scd.c revision 25460
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 4425460Sjoerg/* $Id: scd.c,v 1.29 1997/04/20 17:26:55 bde Exp $ */ 457332Sjkh 467332Sjkh/* Please send any comments to micke@dynas.se */ 477332Sjkh 487332Sjkh#define SCD_DEBUG 0 497332Sjkh 507332Sjkh#include "scd.h" 517332Sjkh#if NSCD > 0 527332Sjkh#include <sys/types.h> 537332Sjkh#include <sys/param.h> 547332Sjkh#include <sys/systm.h> 557332Sjkh#include <sys/conf.h> 567332Sjkh#include <sys/file.h> 577332Sjkh#include <sys/buf.h> 587369Sbde#include <sys/proc.h> 597332Sjkh#include <sys/stat.h> 607332Sjkh#include <sys/uio.h> 617332Sjkh#include <sys/cdio.h> 627332Sjkh#include <sys/errno.h> 637332Sjkh#include <sys/dkbad.h> 647332Sjkh#include <sys/disklabel.h> 6512675Sjulian#include <sys/kernel.h> 6612675Sjulian#ifdef DEVFS 6712675Sjulian#include <sys/devfsext.h> 6812675Sjulian#endif /*DEVFS*/ 697369Sbde 707369Sbde#include <machine/clock.h> 717332Sjkh#include <machine/stdarg.h> 727332Sjkh 737332Sjkh#include <i386/isa/isa_device.h> 747369Sbde#include <i386/isa/scdreg.h> 757332Sjkh 7612502Sjulian 777332Sjkh#define scd_part(dev) ((minor(dev)) & 7) 787332Sjkh#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) 797332Sjkh#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) 807332Sjkh#define RAW_PART 2 817332Sjkh 827332Sjkh/* flags */ 837332Sjkh#define SCDOPEN 0x0001 /* device opened */ 847332Sjkh#define SCDVALID 0x0002 /* parameters loaded */ 857332Sjkh#define SCDINIT 0x0004 /* device is init'd */ 867332Sjkh#define SCDPROBING 0x0020 /* probing */ 877332Sjkh#define SCDTOC 0x0100 /* already read toc */ 887332Sjkh#define SCDMBXBSY 0x0200 /* local mbx is busy */ 897332Sjkh#define SCDSPINNING 0x0400 /* drive is spun up */ 907332Sjkh 917332Sjkh#define SCD_S_BEGIN 0 927332Sjkh#define SCD_S_BEGIN1 1 937332Sjkh#define SCD_S_WAITSTAT 2 947332Sjkh#define SCD_S_WAITFIFO 3 957332Sjkh#define SCD_S_WAITSPIN 4 967332Sjkh#define SCD_S_WAITREAD 5 977332Sjkh#define SCD_S_WAITPARAM 6 987332Sjkh 997332Sjkh#define RDELAY_WAIT 300 1007332Sjkh#define RDELAY_WAITREAD 300 1017332Sjkh 1027332Sjkh#define SCDBLKSIZE 2048 1037332Sjkh 1047332Sjkh#ifdef SCD_DEBUG 10511872Sphk static int scd_debuglevel = SCD_DEBUG; 1067332Sjkh# define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;} 1077332Sjkh#else 1087332Sjkh# define XDEBUG(level, data) 1097332Sjkh#endif 1107332Sjkh 1117332Sjkhstruct scd_mbx { 1127332Sjkh short unit; 1137332Sjkh short port; 1147332Sjkh short retry; 1157332Sjkh short nblk; 1167332Sjkh int sz; 1177332Sjkh u_long skip; 1187332Sjkh struct buf *bp; 1197332Sjkh int p_offset; 1207332Sjkh short count; 1217332Sjkh}; 1227332Sjkh 12311872Sphkstatic struct scd_data { 1247332Sjkh int iobase; 1257332Sjkh char double_speed; 1267332Sjkh char *name; 1277332Sjkh short flags; 1287332Sjkh int blksize; 1297332Sjkh u_long disksize; 1307332Sjkh struct disklabel dlabel; 1317332Sjkh int openflag; 1327332Sjkh struct { 1337332Sjkh unsigned char adr :4; 1347332Sjkh unsigned char ctl :4; /* xcdplayer needs this */ 1357332Sjkh unsigned char start_msf[3]; 1367332Sjkh } toc[MAX_TRACKS]; 1377332Sjkh short first_track; 1387332Sjkh short last_track; 1397332Sjkh struct ioc_play_msf last_play; 1408876Srgrimes 1417332Sjkh short audio_status; 14215574Sphk struct buf_queue_head head; /* head of buf queue */ 1437332Sjkh struct scd_mbx mbx; 14412675Sjulian#ifdef DEVFS 14512675Sjulian void *ra_devfs_token; 14612675Sjulian void *rc_devfs_token; 14712675Sjulian void *a_devfs_token; 14812675Sjulian void *c_devfs_token; 14912675Sjulian#endif 1507332Sjkh} scd_data[NSCD]; 1517332Sjkh 1527332Sjkh/* prototypes */ 1537332Sjkhstatic void hsg2msf(int hsg, bcd_t *msf); 1547332Sjkhstatic int msf2hsg(bcd_t *msf); 1557332Sjkh 1567332Sjkhstatic void process_attention(unsigned unit); 1577332Sjkhstatic inline void write_control(unsigned port, unsigned data); 1587332Sjkhstatic int waitfor_status_bits(int unit, int bits_set, int bits_clear); 1597332Sjkhstatic int send_cmd(u_int unit, u_char cmd, u_int nargs, ...); 1607332Sjkhstatic void init_drive(unsigned unit); 1617332Sjkhstatic int spin_up(unsigned unit); 1627332Sjkhstatic int read_toc(dev_t dev); 1637332Sjkhstatic int get_result(u_int unit, int result_len, u_char *result); 1647332Sjkhstatic void print_error(int unit, int errcode); 1657332Sjkh 1667332Sjkhstatic void scd_start(int unit); 16725056Sbdestatic timeout_t scd_timeout; 1687332Sjkhstatic void scd_doread(int state, struct scd_mbx *mbxin); 1697332Sjkh 1707332Sjkhstatic int scd_eject(int unit); 1717332Sjkhstatic int scd_stop(int unit); 1727332Sjkhstatic int scd_pause(int unit); 1737332Sjkhstatic int scd_resume(int unit); 1747332Sjkhstatic int scd_playtracks(int unit, struct ioc_play_track *pt); 1757332Sjkhstatic int scd_playmsf(int unit, struct ioc_play_msf *msf); 1767332Sjkhstatic int scd_play(int unit, struct ioc_play_msf *msf); 1777332Sjkhstatic int scd_subchan(int unit, struct ioc_read_subchannel *sc); 1787332Sjkhstatic int read_subcode(int unit, struct sony_subchannel_position_data *sc); 1797332Sjkh 1807332Sjkh/* for xcdplayer */ 1817332Sjkhstatic int scd_toc_header(int unit, struct ioc_toc_header *th); 1827332Sjkhstatic int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te); 18325460Sjoergstatic int scd_toc_entry(int unit, struct ioc_read_toc_single_entry *te); 1847332Sjkh#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 1857332Sjkh 18611872Sphkstatic int scd_probe(struct isa_device *dev); 18711872Sphkstatic int scd_attach(struct isa_device *dev); 1887332Sjkhstruct isa_driver scddriver = { scd_probe, scd_attach, "scd" }; 1897332Sjkh 19012675Sjulianstatic d_open_t scdopen; 19112675Sjulianstatic d_close_t scdclose; 19212675Sjulianstatic d_ioctl_t scdioctl; 19312675Sjulianstatic d_strategy_t scdstrategy; 19412675Sjulian 19512675Sjulian#define CDEV_MAJOR 45 19612675Sjulian#define BDEV_MAJOR 16 19717264Sphkstatic struct cdevsw scd_cdevsw; 19812678Sphkstatic struct bdevsw scd_bdevsw = 19912675Sjulian { scdopen, scdclose, scdstrategy, scdioctl, /*16*/ 20012740Sbde nodump, nopsize, 0, "scd", &scd_cdevsw, -1 }; 20112675Sjulian 2027332Sjkhint scd_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; 21615577Sphk TAILQ_INIT(&cd->head); 2177332Sjkh 21812675Sjulian#ifdef DEVFS 21914873Sscrappy cd->ra_devfs_token = 22016210Sbde devfs_add_devswf(&scd_cdevsw, dkmakeminor(unit, 0, 0), 22116210Sbde DV_CHR, UID_ROOT, GID_OPERATOR, 0640, 22216210Sbde "rscd%da", unit); 22314873Sscrappy cd->rc_devfs_token = 22416210Sbde devfs_add_devswf(&scd_cdevsw, dkmakeminor(unit, 0, RAW_PART), 22516210Sbde DV_CHR, UID_ROOT, GID_OPERATOR, 0640, 22616210Sbde "rscd%dc", unit); 22714873Sscrappy cd->a_devfs_token = 22816210Sbde devfs_add_devswf(&scd_bdevsw, dkmakeminor(unit, 0, 0), 22916210Sbde DV_BLK, UID_ROOT, GID_OPERATOR, 0640, 23016210Sbde "scd%da", unit); 23114873Sscrappy cd->c_devfs_token = 23216210Sbde devfs_add_devswf(&scd_bdevsw, dkmakeminor(unit, 0, RAW_PART), 23316210Sbde DV_BLK, UID_ROOT, GID_OPERATOR, 0640, 23416210Sbde "scd%dc", unit); 23512675Sjulian#endif 2367332Sjkh return 1; 2377332Sjkh} 2387332Sjkh 23912675Sjulianstatic int 24010624Sbdescdopen(dev_t dev, int flags, int fmt, struct proc *p) 2417332Sjkh{ 2427332Sjkh int unit,part,phys; 2437332Sjkh int rc; 2447332Sjkh struct scd_data *cd; 2458876Srgrimes 2467332Sjkh unit = scd_unit(dev); 2477332Sjkh if (unit >= NSCD) 2487332Sjkh return ENXIO; 2497332Sjkh 2507332Sjkh cd = scd_data + unit; 2517332Sjkh part = scd_part(dev); 2527332Sjkh phys = scd_phys(dev); 2538876Srgrimes 2547332Sjkh /* not initialized*/ 2557332Sjkh if (!(cd->flags & SCDINIT)) 2567332Sjkh return ENXIO; 2577332Sjkh 2587332Sjkh /* invalidated in the meantime? mark all open part's invalid */ 2597332Sjkh if (cd->openflag) 2607332Sjkh return ENXIO; 2617332Sjkh 2627332Sjkh XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS))); 2637332Sjkh 2647332Sjkh if ((rc = spin_up(unit)) != 0) { 2657332Sjkh print_error(unit, rc); 2667332Sjkh return EIO; 2677332Sjkh } 2687332Sjkh if (!(cd->flags & SCDTOC)) { 2697332Sjkh int loop_count = 3; 2707332Sjkh 2717332Sjkh while (loop_count-- > 0 && (rc = read_toc(dev)) != 0) { 2727332Sjkh if (rc == ERR_NOT_SPINNING) { 2737332Sjkh rc = spin_up(unit); 2747332Sjkh if (rc) { 2757332Sjkh print_error(unit, rc);\ 2767332Sjkh return EIO; 2777332Sjkh } 2787332Sjkh continue; 2797332Sjkh } 2807332Sjkh printf("scd%d: TOC read error 0x%x\n", unit, rc); 2817332Sjkh return EIO; 2827332Sjkh } 2837332Sjkh } 2847332Sjkh 2857332Sjkh cd->openflag = 1; 2867332Sjkh cd->flags |= SCDVALID; 2877332Sjkh 2887332Sjkh return 0; 2897332Sjkh} 2907332Sjkh 29112675Sjulianstatic int 29210624Sbdescdclose(dev_t dev, int flags, int fmt, struct proc *p) 2937332Sjkh{ 2947332Sjkh int unit,part,phys; 2957332Sjkh struct scd_data *cd; 2968876Srgrimes 2977332Sjkh unit = scd_unit(dev); 2987332Sjkh if (unit >= NSCD) 2997332Sjkh return ENXIO; 3007332Sjkh 3017332Sjkh cd = scd_data + unit; 3027332Sjkh part = scd_part(dev); 3037332Sjkh phys = scd_phys(dev); 3048876Srgrimes 3058876Srgrimes if (!(cd->flags & SCDINIT) || !cd->openflag) 3067332Sjkh return ENXIO; 3077332Sjkh 3087332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) { 3097332Sjkh (void)send_cmd(unit, CMD_SPIN_DOWN, 0); 3107332Sjkh cd->flags &= ~SCDSPINNING; 3117332Sjkh } 3127332Sjkh 3137332Sjkh 3147332Sjkh /* close channel */ 3157332Sjkh cd->openflag = 0; 3167332Sjkh 3177332Sjkh return 0; 3187332Sjkh} 3197332Sjkh 32012675Sjulianstatic void 3217332Sjkhscdstrategy(struct buf *bp) 3227332Sjkh{ 3237332Sjkh struct scd_data *cd; 3247332Sjkh int s; 3257332Sjkh int unit = scd_unit(bp->b_dev); 3267332Sjkh 3277332Sjkh cd = scd_data + unit; 3287332Sjkh 3297332Sjkh XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", unit, bp->b_blkno, bp->b_bcount)); 3307332Sjkh 3317332Sjkh if (unit >= NSCD || bp->b_blkno < 0 || (bp->b_bcount % SCDBLKSIZE)) { 3328376Srgrimes printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\n", 3337332Sjkh unit, bp->b_blkno, bp->b_bcount); 3347332Sjkh bp->b_error = EINVAL; 3357332Sjkh bp->b_flags |= B_ERROR; 3367332Sjkh goto bad; 3377332Sjkh } 3387332Sjkh 3397332Sjkh /* if device invalidated (e.g. media change, door open), error */ 3407332Sjkh if (!(cd->flags & SCDVALID)) { 3417332Sjkh printf("scd%d: media changed\n", unit); 3427332Sjkh bp->b_error = EIO; 3437332Sjkh goto bad; 3447332Sjkh } 3457332Sjkh 3467332Sjkh /* read only */ 3477332Sjkh if (!(bp->b_flags & B_READ)) { 3487332Sjkh bp->b_error = EROFS; 3497332Sjkh goto bad; 3507332Sjkh } 3518876Srgrimes 3527332Sjkh /* no data to read */ 3537332Sjkh if (bp->b_bcount == 0) 3547332Sjkh goto done; 3558876Srgrimes 3567332Sjkh if (!(cd->flags & SCDTOC)) { 3577332Sjkh bp->b_error = EIO; 3587332Sjkh goto bad; 3597332Sjkh } 3607332Sjkh /* adjust transfer if necessary */ 3617332Sjkh if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) 3627332Sjkh goto done; 3637332Sjkh 3647332Sjkh bp->b_pblkno = bp->b_blkno; 3657332Sjkh bp->b_resid = 0; 3668876Srgrimes 3677332Sjkh /* queue it */ 3687332Sjkh s = splbio(); 36915574Sphk tqdisksort(&cd->head, bp); 3707332Sjkh splx(s); 3718876Srgrimes 3727332Sjkh /* now check whether we can perform processing */ 3737332Sjkh scd_start(unit); 3747332Sjkh return; 3757332Sjkh 3767332Sjkhbad: 3777332Sjkh bp->b_flags |= B_ERROR; 3787332Sjkhdone: 3797332Sjkh bp->b_resid = bp->b_bcount; 3807332Sjkh biodone(bp); 3817332Sjkh return; 3827332Sjkh} 3837332Sjkh 3847332Sjkhstatic void 3857332Sjkhscd_start(int unit) 3867332Sjkh{ 3877332Sjkh struct scd_data *cd = scd_data + unit; 38815574Sphk struct buf *bp; 3897332Sjkh struct partition *p; 3907332Sjkh register s = splbio(); 3918876Srgrimes 3927332Sjkh if (cd->flags & SCDMBXBSY) { 3937332Sjkh splx(s); 3947332Sjkh return; 3957332Sjkh } 3967332Sjkh 39715574Sphk bp = TAILQ_FIRST(&cd->head); 39815574Sphk if (bp != 0) { 3997332Sjkh /* block found to process, dequeue */ 40015574Sphk TAILQ_REMOVE(&cd->head, bp, b_act); 4017332Sjkh cd->flags |= SCDMBXBSY; 4027332Sjkh splx(s); 4037332Sjkh } else { 4047332Sjkh /* nothing to do */ 4057332Sjkh splx(s); 4067332Sjkh return; 4077332Sjkh } 4087332Sjkh 4097332Sjkh p = cd->dlabel.d_partitions + scd_part(bp->b_dev); 4107332Sjkh 4117332Sjkh cd->mbx.unit = unit; 4127332Sjkh cd->mbx.port = cd->iobase; 4137332Sjkh cd->mbx.retry = 3; 4147332Sjkh cd->mbx.bp = bp; 4157332Sjkh cd->mbx.p_offset = p->p_offset; 4167332Sjkh splx(s); 4177332Sjkh 4187332Sjkh scd_doread(SCD_S_BEGIN,&(cd->mbx)); 4197332Sjkh return; 4207332Sjkh} 4217332Sjkh 42212675Sjulianstatic int 42310624Sbdescdioctl(dev_t dev, int cmd, caddr_t addr, int flags, struct proc *p) 4247332Sjkh{ 4257332Sjkh struct scd_data *cd; 4267332Sjkh int unit,part; 4278876Srgrimes 4287332Sjkh unit = scd_unit(dev); 4297332Sjkh part = scd_part(dev); 4307332Sjkh cd = scd_data + unit; 4317332Sjkh 4328376Srgrimes XDEBUG(1, ("scd%d: ioctl: cmd=0x%x\n", unit, cmd)); 4337332Sjkh 4347332Sjkh if (!(cd->flags & SCDVALID)) 4357332Sjkh return EIO; 4367332Sjkh 4377332Sjkh switch (cmd) { 4387332Sjkh case DIOCSBAD: 4397332Sjkh return EINVAL; 4407332Sjkh case DIOCGDINFO: 4417332Sjkh *(struct disklabel *)addr = cd->dlabel; 4427332Sjkh return 0; 4437332Sjkh case DIOCGPART: 4447332Sjkh ((struct partinfo *)addr)->disklab = &cd->dlabel; 4457332Sjkh ((struct partinfo *)addr)->part = 4467332Sjkh &cd->dlabel.d_partitions[0]; 4477332Sjkh return 0; 4487332Sjkh case CDIOCPLAYTRACKS: 4497332Sjkh return scd_playtracks(unit, (struct ioc_play_track *) addr); 4507332Sjkh case CDIOCPLAYBLOCKS: 4517332Sjkh return EINVAL; 4527332Sjkh case CDIOCPLAYMSF: 4537332Sjkh return scd_playmsf(unit, (struct ioc_play_msf *) addr); 4547332Sjkh case CDIOCREADSUBCHANNEL: 4557332Sjkh return scd_subchan(unit, (struct ioc_read_subchannel *) addr); 4567332Sjkh case CDIOREADTOCHEADER: 4577332Sjkh return scd_toc_header (unit, (struct ioc_toc_header *) addr); 4587332Sjkh case CDIOREADTOCENTRYS: 4597332Sjkh return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr); 46025460Sjoerg case CDIOREADTOCENTRY: 46125460Sjoerg return scd_toc_entry (unit, (struct ioc_read_toc_single_entry*) addr); 4627332Sjkh case CDIOCSETPATCH: 4637332Sjkh case CDIOCGETVOL: 4647332Sjkh case CDIOCSETVOL: 4657332Sjkh case CDIOCSETMONO: 4667332Sjkh case CDIOCSETSTERIO: 4677332Sjkh case CDIOCSETMUTE: 4687332Sjkh case CDIOCSETLEFT: 4697332Sjkh case CDIOCSETRIGHT: 4707332Sjkh return EINVAL; 4717332Sjkh case CDIOCRESUME: 4727332Sjkh return scd_resume(unit); 4737332Sjkh case CDIOCPAUSE: 4747332Sjkh return scd_pause(unit); 4757332Sjkh case CDIOCSTART: 4767332Sjkh return EINVAL; 4777332Sjkh case CDIOCSTOP: 4787332Sjkh return scd_stop(unit); 4797332Sjkh case CDIOCEJECT: 4807332Sjkh return scd_eject(unit); 4817332Sjkh case CDIOCALLOW: 4827332Sjkh return 0; 4837332Sjkh case CDIOCSETDEBUG: 4847332Sjkh#ifdef SCD_DEBUG 4857332Sjkh scd_debuglevel++; 4867332Sjkh#endif 4877332Sjkh return 0; 4887332Sjkh case CDIOCCLRDEBUG: 4897332Sjkh#ifdef SCD_DEBUG 4907332Sjkh scd_debuglevel = 0; 4917332Sjkh 4927332Sjkh#endif 4937332Sjkh return 0; 4947332Sjkh default: 4958376Srgrimes printf("scd%d: unsupported ioctl (cmd=0x%x)\n", unit, cmd); 4967332Sjkh return ENOTTY; 4977332Sjkh } 4987332Sjkh} 4997332Sjkh 5007332Sjkh/*************************************************************** 5017332Sjkh * lower level of driver starts here 5027332Sjkh **************************************************************/ 5037332Sjkh 5047332Sjkhstatic int 5057332Sjkhscd_playtracks(int unit, struct ioc_play_track *pt) 5067332Sjkh{ 5077332Sjkh struct scd_data *cd = scd_data + unit; 5087332Sjkh struct ioc_play_msf msf; 5097332Sjkh int a = pt->start_track; 5107332Sjkh int z = pt->end_track; 51111872Sphk int rc; 5127332Sjkh 5137332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 5147332Sjkh if (rc == -ERR_NOT_SPINNING) { 5157332Sjkh if (spin_up(unit) != 0) 5167332Sjkh return EIO; 5177332Sjkh rc = read_toc(unit); 5187332Sjkh } 5197332Sjkh if (rc != 0) { 5207332Sjkh print_error(unit, rc); 5217332Sjkh return EIO; 5227332Sjkh } 5237332Sjkh } 5247332Sjkh 5257332Sjkh XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit, 5267332Sjkh a, pt->start_index, z, pt->end_index)); 5277332Sjkh 5287332Sjkh if ( a < cd->first_track 5297332Sjkh || a > cd->last_track 5307332Sjkh || a > z 5317332Sjkh || z > cd->last_track) 5327332Sjkh return EINVAL; 5337332Sjkh 5347332Sjkh bcopy(cd->toc[a].start_msf, &msf.start_m, 3); 5357332Sjkh hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m); 5367332Sjkh 5377332Sjkh return scd_play(unit, &msf); 5387332Sjkh} 5397332Sjkh 5407332Sjkh/* The start/end msf is expected to be in bin format */ 5417332Sjkhstatic int 5427332Sjkhscd_playmsf(int unit, struct ioc_play_msf *msfin) 5437332Sjkh{ 5447332Sjkh struct ioc_play_msf msf; 5457332Sjkh 5467332Sjkh msf.start_m = bin2bcd(msfin->start_m); 5477332Sjkh msf.start_s = bin2bcd(msfin->start_s); 5487332Sjkh msf.start_f = bin2bcd(msfin->start_f); 5497332Sjkh msf.end_m = bin2bcd(msfin->end_m); 5507332Sjkh msf.end_s = bin2bcd(msfin->end_s); 5517332Sjkh msf.end_f = bin2bcd(msfin->end_f); 5527332Sjkh 5537332Sjkh return scd_play(unit, &msf); 5547332Sjkh} 5557332Sjkh 5567332Sjkh/* The start/end msf is expected to be in bcd format */ 5577332Sjkhstatic int 5587332Sjkhscd_play(int unit, struct ioc_play_msf *msf) 5597332Sjkh{ 5607332Sjkh struct scd_data *cd = scd_data + unit; 5617332Sjkh int i, rc; 5627332Sjkh 5637332Sjkh XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit, 5647332Sjkh msf->start_m, msf->start_s, msf->start_f, 5657332Sjkh msf->end_m, msf->end_s, msf->end_f)); 5667332Sjkh 5677332Sjkh for (i = 0; i < 2; i++) { 5687332Sjkh rc = send_cmd(unit, CMD_PLAY_AUDIO, 7, 5697332Sjkh 0x03, 5707332Sjkh msf->start_m, msf->start_s, msf->start_f, 5717332Sjkh msf->end_m, msf->end_s, msf->end_f); 5727332Sjkh if (rc == -ERR_NOT_SPINNING) { 5737332Sjkh cd->flags &= ~SCDSPINNING; 5747332Sjkh if (spin_up(unit) != 0) 5757332Sjkh return EIO; 5767332Sjkh } else if (rc < 0) { 5777332Sjkh print_error(unit, rc); 5787332Sjkh return EIO; 5797332Sjkh } else { 5807332Sjkh break; 5817332Sjkh } 5827332Sjkh } 5837332Sjkh cd->audio_status = CD_AS_PLAY_IN_PROGRESS; 5847332Sjkh bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf)); 5857332Sjkh return 0; 5867332Sjkh} 5877332Sjkh 5887332Sjkhstatic int 5897332Sjkhscd_stop(int unit) 5907332Sjkh{ 5917332Sjkh struct scd_data *cd = scd_data + unit; 5927332Sjkh 5937332Sjkh (void)send_cmd(unit, CMD_STOP_AUDIO, 0); 5947332Sjkh cd->audio_status = CD_AS_PLAY_COMPLETED; 5957332Sjkh return 0; 5967332Sjkh} 5977332Sjkh 5987332Sjkhstatic int 5997332Sjkhscd_pause(int unit) 6007332Sjkh{ 6017332Sjkh struct scd_data *cd = scd_data + unit; 6027332Sjkh struct sony_subchannel_position_data subpos; 6037332Sjkh 6047332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) 6057332Sjkh return EINVAL; 6067332Sjkh 6077332Sjkh if (read_subcode(unit, &subpos) != 0) 6087332Sjkh return EIO; 6097332Sjkh 6107332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0) 6117332Sjkh return EIO; 6128876Srgrimes 6137332Sjkh cd->last_play.start_m = subpos.abs_msf[0]; 6147332Sjkh cd->last_play.start_s = subpos.abs_msf[1]; 6157332Sjkh cd->last_play.start_f = subpos.abs_msf[2]; 6167332Sjkh cd->audio_status = CD_AS_PLAY_PAUSED; 6177332Sjkh 6187332Sjkh XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit, 6197332Sjkh cd->last_play.start_m, 6207332Sjkh cd->last_play.start_s, 6217332Sjkh cd->last_play.start_f)); 6227332Sjkh 6237332Sjkh return 0; 6247332Sjkh} 6257332Sjkh 6267332Sjkhstatic int 6277332Sjkhscd_resume(int unit) 6287332Sjkh{ 6297332Sjkh if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED) 6307332Sjkh return EINVAL; 6317332Sjkh return scd_play(unit, &scd_data[unit].last_play); 6327332Sjkh} 6337332Sjkh 6347332Sjkhstatic int 6357332Sjkhscd_eject(int unit) 6367332Sjkh{ 6377332Sjkh struct scd_data *cd = scd_data + unit; 6387332Sjkh 6397332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 6407332Sjkh cd->flags &= ~(SCDSPINNING|SCDTOC); 6417332Sjkh 6427332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 || 6437332Sjkh send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 || 6447332Sjkh send_cmd(unit, CMD_EJECT, 0) != 0) 6457332Sjkh { 6467332Sjkh return EIO; 6477332Sjkh } 6487332Sjkh return 0; 6497332Sjkh} 6507332Sjkh 6517332Sjkhstatic int 6527332Sjkhscd_subchan(int unit, struct ioc_read_subchannel *sc) 6537332Sjkh{ 6547332Sjkh struct scd_data *cd = scd_data + unit; 6557332Sjkh struct sony_subchannel_position_data q; 6567332Sjkh struct cd_sub_channel_info data; 6577332Sjkh 6587332Sjkh XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit, 6597332Sjkh sc->address_format, 6607332Sjkh sc->data_format)); 6617332Sjkh 6627332Sjkh if (sc->address_format != CD_MSF_FORMAT) 6637332Sjkh return EINVAL; 6647332Sjkh 6657332Sjkh if (sc->data_format != CD_CURRENT_POSITION) 6667332Sjkh return EINVAL; 6677332Sjkh 6687332Sjkh if (read_subcode(unit, &q) != 0) 6697332Sjkh return EIO; 6707332Sjkh 6717332Sjkh data.header.audio_status = cd->audio_status; 6727332Sjkh data.what.position.data_format = CD_MSF_FORMAT; 6737332Sjkh data.what.position.track_number = bcd2bin(q.track_number); 6747332Sjkh data.what.position.reladdr.msf.unused = 0; 6757332Sjkh data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 6767332Sjkh data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 6777332Sjkh data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 6787332Sjkh data.what.position.absaddr.msf.unused = 0; 6797332Sjkh data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 6807332Sjkh data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 6817332Sjkh data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 6827332Sjkh 6837332Sjkh if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) 6847332Sjkh return EFAULT; 6857332Sjkh return 0; 6867332Sjkh} 6877332Sjkh 6887332Sjkhint 6897332Sjkhscd_probe(struct isa_device *dev) 6907332Sjkh{ 6917332Sjkh struct sony_drive_configuration drive_config; 6927332Sjkh int unit = dev->id_unit; 6937332Sjkh int rc; 6947332Sjkh static char namebuf[8+16+8+3]; 6957332Sjkh char *s = namebuf; 6967332Sjkh int loop_count = 0; 6977332Sjkh 6987332Sjkh scd_data[unit].flags = SCDPROBING; 6997332Sjkh scd_data[unit].iobase = dev->id_iobase; 7007332Sjkh 7017332Sjkh bzero(&drive_config, sizeof(drive_config)); 7027332Sjkh 7037332Sjkhagain: 7047332Sjkh /* Reset drive */ 7057332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7067332Sjkh 7077332Sjkh /* Calm down */ 7087332Sjkh DELAY(300000); 7097332Sjkh 7107332Sjkh /* Only the ATTENTION bit may be set */ 7117332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7127332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7137332Sjkh return 0; 7147332Sjkh } 7157332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7167332Sjkh if (rc != sizeof(drive_config)) { 7177332Sjkh /* Sometimes if the drive is playing audio I get */ 7187332Sjkh /* the bad result 82. Fix by repeating the reset */ 7197332Sjkh if (rc > 0 && loop_count++ == 0) 7207332Sjkh goto again; 7217332Sjkh return 0; 7227332Sjkh } 7237332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7247332Sjkh return 0; 7257332Sjkh 7267332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7277332Sjkh s = namebuf+8; 7287332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7297332Sjkh s--; 7307332Sjkh *s++ = ' '; 7317332Sjkh bcopy(drive_config.product, s, 16); 7327332Sjkh s += 16; 7337332Sjkh while (*(s-1) == ' ') 7347332Sjkh s--; 7357332Sjkh *s++ = ' '; 7367332Sjkh bcopy(drive_config.revision, s, 8); 7377332Sjkh s += 8; 7387332Sjkh while (*(s-1) == ' ') 7397332Sjkh s--; 7407332Sjkh *s = 0; 7417332Sjkh 7427332Sjkh scd_data[unit].name = namebuf; 7437332Sjkh 7447332Sjkh if (drive_config.config & 0x10) 7457332Sjkh scd_data[unit].double_speed = 1; 7467332Sjkh else 7477332Sjkh scd_data[unit].double_speed = 0; 7487332Sjkh 7497332Sjkh return 4; 7507332Sjkh} 7517332Sjkh 7527332Sjkhstatic int 7537332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7547332Sjkh{ 7557332Sjkh int rc; 7567332Sjkh 7577332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7587332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7597332Sjkh return EIO; 7607332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7617332Sjkh return EIO; 7627332Sjkh return 0; 7637332Sjkh} 7647332Sjkh 7657332Sjkh/* State machine copied from mcd.c */ 7667332Sjkh 7677332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7687332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7697332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7707332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7717332Sjkh 7727332Sjkh/* state machine to process read requests 7737332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7747332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7757332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7767332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7777332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7787332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7797332Sjkh */ 7807332Sjkh 7817332Sjkhstatic struct scd_mbx *mbxsave; 7827332Sjkh 7837332Sjkhstatic void 78425056Sbdescd_timeout(void *arg) 78525056Sbde{ 78625056Sbde scd_doread((int)arg, mbxsave); 78725056Sbde} 78825056Sbde 78925056Sbdestatic void 7907332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7917332Sjkh{ 7927332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 7937332Sjkh int unit = mbx->unit; 7947332Sjkh int port = mbx->port; 7957332Sjkh struct buf *bp = mbx->bp; 7967332Sjkh struct scd_data *cd = scd_data + unit; 79711872Sphk int reg,i; 7987332Sjkh int blknum; 7997332Sjkh caddr_t addr; 8007332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 8017332Sjkh 8027332Sjkhloop: 8037332Sjkh switch (state) { 8047332Sjkh case SCD_S_BEGIN: 8057332Sjkh mbx = mbxsave = mbxin; 8067332Sjkh 8077332Sjkh case SCD_S_BEGIN1: 8087332Sjkh /* get status */ 8097332Sjkh mbx->count = RDELAY_WAIT; 8107332Sjkh 8117332Sjkh process_attention(unit); 8127332Sjkh goto trystat; 8137332Sjkh 8147332Sjkh case SCD_S_WAITSTAT: 81525056Sbde untimeout(scd_timeout,(caddr_t)SCD_S_WAITSTAT); 8167332Sjkh if (mbx->count-- <= 0) { 8177332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8187332Sjkh goto harderr; 8197332Sjkh } 8207332Sjkh 8217332Sjkhtrystat: 8227332Sjkh if (IS_BUSY(port)) { 82325056Sbde timeout(scd_timeout, 8247332Sjkh (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8257332Sjkh return; 8267332Sjkh } 8278876Srgrimes 8287332Sjkh process_attention(unit); 8297332Sjkh 8307332Sjkh /* reject, if audio active */ 8317332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8327332Sjkh printf("scd%d: audio is active\n",unit); 8337332Sjkh goto harderr; 8347332Sjkh } 8357332Sjkh 8367332Sjkh mbx->sz = cd->blksize; 8377332Sjkh 8387332Sjkh /* for first block */ 8397332Sjkh mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz; 8407332Sjkh mbx->skip = 0; 8417332Sjkh 8427332Sjkhnextblock: 8437332Sjkh if (!(cd->flags & SCDVALID)) 8447332Sjkh goto changed; 8457332Sjkh 8467332Sjkh blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE)) 8477332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8487332Sjkh 8497332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8507332Sjkh 8517332Sjkh /* build parameter block */ 8527332Sjkh hsg2msf(blknum, sdata); 8537332Sjkh 8547332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8557332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8567332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8577332Sjkh 8587332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8597332Sjkh goto writeparam; 8607332Sjkh 8617332Sjkh mbx->count = 100; 86225056Sbde timeout(scd_timeout, 8637332Sjkh (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8647332Sjkh return; 8657332Sjkh 8667332Sjkh case SCD_S_WAITSPIN: 86725056Sbde untimeout(scd_timeout,(caddr_t)SCD_S_WAITSPIN); 8687332Sjkh if (mbx->count-- <= 0) { 8697332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8707332Sjkh goto harderr; 8717332Sjkh } 8727332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 87325056Sbde timeout(scd_timeout, 8747332Sjkh (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8757332Sjkh return; 8767332Sjkh } 8777332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8787332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8797332Sjkh case 0x20: 8807332Sjkh i = inb(port+IREG_RESULT); 8817332Sjkh print_error(unit, i); 8827332Sjkh goto harderr; 8837332Sjkh case 0x00: 8847332Sjkh (void)inb(port+IREG_RESULT); 8857332Sjkh cd->flags |= SCDSPINNING; 8867332Sjkh break; 8877332Sjkh } 8887332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8897332Sjkh 8907332Sjkh state = SCD_S_BEGIN1; 8917332Sjkh goto loop; 8927332Sjkh 8937332Sjkh case SCD_S_WAITFIFO: 89425056Sbde untimeout(scd_timeout,(caddr_t)SCD_S_WAITFIFO); 8957332Sjkh if (mbx->count-- <= 0) { 8967332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 8977332Sjkh goto harderr; 8987332Sjkh } 8997332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 90025056Sbde timeout(scd_timeout, 9017332Sjkh (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 9027332Sjkh return; 9037332Sjkh } 9047332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9057332Sjkh 9067332Sjkhwriteparam: 9077332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9087332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9097332Sjkh if (!(cd->flags & SCDSPINNING)) { 9107332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9117332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9127332Sjkh mbx->count = 300; 91325056Sbde timeout(scd_timeout, 9147332Sjkh (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9157332Sjkh return; 9167332Sjkh } 9177332Sjkh 9187332Sjkh reg = port + OREG_WPARAMS; 9197332Sjkh /* send the read command */ 9207332Sjkh disable_intr(); 9217332Sjkh outb(reg, sdata[0]); 9227332Sjkh outb(reg, sdata[1]); 9237332Sjkh outb(reg, sdata[2]); 9247332Sjkh outb(reg, 0); 9257332Sjkh outb(reg, 0); 9267332Sjkh outb(reg, 1); 9277332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9287332Sjkh enable_intr(); 9297332Sjkh 9307332Sjkh mbx->count = RDELAY_WAITREAD; 9317332Sjkh for (i = 0; i < 50; i++) { 9327332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9337332Sjkh goto got_data; 9347332Sjkh DELAY(100); 9357332Sjkh } 9367332Sjkh 93725056Sbde timeout(scd_timeout, 9387332Sjkh (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9397332Sjkh return; 9407332Sjkh 9417332Sjkh case SCD_S_WAITREAD: 94225056Sbde untimeout(scd_timeout,(caddr_t)SCD_S_WAITREAD); 9437332Sjkh if (mbx->count-- <= 0) { 9447332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9457332Sjkh goto got_param; 9467332Sjkh printf("scd%d: timeout while reading data\n",unit); 9477332Sjkh goto readerr; 9487332Sjkh } 9497332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9507332Sjkh process_attention(unit); 9517332Sjkh if (!(cd->flags & SCDVALID)) 9527332Sjkh goto changed; 95325056Sbde timeout(scd_timeout, 9547332Sjkh (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9557332Sjkh return; 9567332Sjkh } 9577332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9587332Sjkh 9597332Sjkhgot_data: 9607332Sjkh /* data is ready */ 9617332Sjkh addr = bp->b_un.b_addr + mbx->skip; 9627332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9637332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9647332Sjkh 9657332Sjkh mbx->count = 100; 9667332Sjkh for (i = 0; i < 20; i++) { 9677332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9687332Sjkh goto waitfor_param; 9697332Sjkh DELAY(100); 9707332Sjkh } 9717332Sjkh goto waitfor_param; 9727332Sjkh 9737332Sjkh case SCD_S_WAITPARAM: 97425056Sbde untimeout(scd_timeout,(caddr_t)SCD_S_WAITPARAM); 9757332Sjkh if (mbx->count-- <= 0) { 9767332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9777332Sjkh goto readerr; 9787332Sjkh } 9797332Sjkh 9807332Sjkhwaitfor_param: 9817332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 98225056Sbde timeout(scd_timeout, 9837332Sjkh (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9847332Sjkh return; 9857332Sjkh } 9867332Sjkh#if SCD_DEBUG 9877332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9887332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9897332Sjkh#endif 9907332Sjkh 9917332Sjkhgot_param: 9927332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 9937332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 9947332Sjkh case 0x50: 9957332Sjkh switch (i) { 9967332Sjkh case ERR_FATAL_READ_ERROR1: 9977332Sjkh case ERR_FATAL_READ_ERROR2: 9987332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 9997332Sjkh goto harderr; 10007332Sjkh } 10017332Sjkh break; 10027332Sjkh case 0x20: 10037332Sjkh i = inb(port+IREG_RESULT); 10047332Sjkh switch (i) { 10057332Sjkh case ERR_NOT_SPINNING: 10067332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10077332Sjkh if (mbx->retry-- > 0) { 10087332Sjkh state = SCD_S_BEGIN1; 10097332Sjkh cd->flags &= ~SCDSPINNING; 10107332Sjkh goto loop; 10117332Sjkh } 10127332Sjkh goto harderr; 10137332Sjkh default: 10147332Sjkh print_error(unit, i); 10157332Sjkh goto readerr; 10167332Sjkh } 10177332Sjkh case 0x00: 10187332Sjkh i = inb(port+IREG_RESULT); 10197332Sjkh break; 10207332Sjkh } 10217332Sjkh 10227332Sjkh if (--mbx->nblk > 0) { 10237332Sjkh mbx->skip += mbx->sz; 10247332Sjkh goto nextblock; 10257332Sjkh } 10267332Sjkh 10277332Sjkh /* return buffer */ 10287332Sjkh bp->b_resid = 0; 10297332Sjkh biodone(bp); 10307332Sjkh 10317332Sjkh cd->flags &= ~SCDMBXBSY; 10327332Sjkh scd_start(mbx->unit); 10337332Sjkh return; 10347332Sjkh } 10357332Sjkh 10367332Sjkhreaderr: 10377332Sjkh if (mbx->retry-- > 0) { 10387332Sjkh printf("scd%d: retrying ...\n",unit); 10397332Sjkh state = SCD_S_BEGIN1; 10407332Sjkh goto loop; 10417332Sjkh } 10427332Sjkhharderr: 10437332Sjkh /* invalidate the buffer */ 10447332Sjkh bp->b_error = EIO; 10457332Sjkh bp->b_flags |= B_ERROR; 10467332Sjkh bp->b_resid = bp->b_bcount; 10477332Sjkh biodone(bp); 10487332Sjkh 10497332Sjkh cd->flags &= ~SCDMBXBSY; 10507332Sjkh scd_start(mbx->unit); 10517332Sjkh return; 10527332Sjkh 10537332Sjkhchanged: 10547332Sjkh printf("scd%d: media changed\n", unit); 10557332Sjkh goto harderr; 10567332Sjkh} 10577332Sjkh 10587332Sjkhstatic void 10597332Sjkhhsg2msf(int hsg, bcd_t *msf) 10607332Sjkh{ 10617332Sjkh hsg += 150; 10627332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10637332Sjkh hsg %= 4500; 10647332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10657332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10667332Sjkh} 10677332Sjkh 10687332Sjkhstatic int 10697332Sjkhmsf2hsg(bcd_t *msf) 10707332Sjkh{ 10717332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10727332Sjkh bcd2bin(S_msf(msf))) * 75 + 10737332Sjkh bcd2bin(F_msf(msf)) - 150; 10747332Sjkh} 10757332Sjkh 10767332Sjkhstatic void 10777332Sjkhprocess_attention(unsigned unit) 10787332Sjkh{ 10797332Sjkh unsigned port = scd_data[unit].iobase; 10807332Sjkh unsigned char code; 10817332Sjkh int count = 0; 10827332Sjkh 10837332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 10847332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 10857332Sjkh code = inb(port+IREG_RESULT); 10867332Sjkh 10877332Sjkh#if SCD_DEBUG 10887332Sjkh if (scd_debuglevel > 0) { 10897332Sjkh if (count == 1) 10907332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 10917332Sjkh else 10927332Sjkh printf(",0x%x", code); 10937332Sjkh } 10947332Sjkh#endif 10957332Sjkh 10967332Sjkh switch (code) { 10977332Sjkh case ATTEN_SPIN_DOWN: 10987332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 10997332Sjkh break; 11007332Sjkh 11017332Sjkh case ATTEN_SPIN_UP_DONE: 11027332Sjkh scd_data[unit].flags |= SCDSPINNING; 11037332Sjkh break; 11047332Sjkh 11057332Sjkh case ATTEN_AUDIO_DONE: 11067332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11077332Sjkh break; 11087332Sjkh 11097332Sjkh case ATTEN_DRIVE_LOADED: 11107332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11117332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11127332Sjkh break; 11137332Sjkh 11147332Sjkh case ATTEN_EJECT_PUSHED: 11157332Sjkh scd_data[unit].flags &= ~SCDVALID; 11167332Sjkh break; 11177332Sjkh } 11187332Sjkh DELAY(100); 11197332Sjkh } 11207332Sjkh#if SCD_DEBUG 11217332Sjkh if (scd_debuglevel > 0 && count > 0) 11227332Sjkh printf("\n"); 11237332Sjkh#endif 11247332Sjkh} 11257332Sjkh 11267332Sjkh/* Returns 0 OR sony error code */ 11277332Sjkhstatic int 11287332Sjkhspin_up(unsigned unit) 11297332Sjkh{ 11307332Sjkh unsigned char res_reg[12]; 11317332Sjkh unsigned int res_size; 11327332Sjkh int rc; 11337332Sjkh int loop_count = 0; 11347332Sjkh 11357332Sjkhagain: 113617108Sbde rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 11377332Sjkh if (rc != 0) { 11387332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11397332Sjkh return rc; 11407332Sjkh } 11417332Sjkh 11427332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11437332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11447332Sjkh if (rc == ERR_NOT_SPINNING) { 11457332Sjkh if (loop_count++ < 3) 11467332Sjkh goto again; 11477332Sjkh return rc; 11487332Sjkh } 11497332Sjkh if (rc != 0) 11507332Sjkh return rc; 11517332Sjkh } 11527332Sjkh 11537332Sjkh scd_data[unit].flags |= SCDSPINNING; 11547332Sjkh 11557332Sjkh return 0; 11567332Sjkh} 11577332Sjkh 11587332Sjkhstatic struct sony_tracklist * 11597332Sjkhget_tl(struct sony_toc *toc, int size) 11607332Sjkh{ 11617332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11627332Sjkh 11637332Sjkh if (tl->track != 0xb0) 11647332Sjkh return tl; 11657332Sjkh (char *)tl += 9; 11668876Srgrimes if (tl->track != 0xb1) 11677332Sjkh return tl; 11687332Sjkh (char *)tl += 9; 11698876Srgrimes if (tl->track != 0xb2) 11707332Sjkh return tl; 11717332Sjkh (char *)tl += 9; 11728876Srgrimes if (tl->track != 0xb3) 11737332Sjkh return tl; 11747332Sjkh (char *)tl += 9; 11758876Srgrimes if (tl->track != 0xb4) 11767332Sjkh return tl; 11777332Sjkh (char *)tl += 9; 11788876Srgrimes if (tl->track != 0xc0) 11797332Sjkh return tl; 11807332Sjkh (char *)tl += 9; 11817332Sjkh return tl; 11827332Sjkh} 11837332Sjkh 11847332Sjkhstatic int 11857332Sjkhread_toc(dev_t dev) 11867332Sjkh{ 11877332Sjkh unsigned unit; 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 unit = scd_unit(dev); 11967332Sjkh cd = scd_data + unit; 11977332Sjkh 11987332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 11997332Sjkh if (rc < 0) 12007332Sjkh return rc; 12017332Sjkh if (rc > sizeof(toc)) { 12027332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 12037332Sjkh return EIO; 12047332Sjkh } 12057332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12067332Sjkh return EIO; 12077332Sjkh 12087332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12097332Sjkh 12107332Sjkh tl = get_tl(&toc, rc); 12117332Sjkh first = msf2hsg(tl->start_msf); 12127332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12137332Sjkh cd->blksize = SCDBLKSIZE; 12147332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12157332Sjkh 12168376Srgrimes XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit, 12177332Sjkh first, last)); 12187332Sjkh 12197332Sjkh cd->first_track = bcd2bin(toc.first_track); 12207332Sjkh cd->last_track = bcd2bin(toc.last_track); 12217332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12227332Sjkh cd->last_track = MAX_TRACKS-2; 12237332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12247332Sjkh cd->toc[i].adr = tl[j].adr; 12257332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12267332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12277332Sjkh#ifdef SCD_DEBUG 12287332Sjkh if (scd_debuglevel > 0) { 12297332Sjkh if ((j % 3) == 0) 12307332Sjkh printf("\nscd%d: tracks ", unit); 12317332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12327332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12337332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12347332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12357332Sjkh } 12367332Sjkh#endif 12377332Sjkh } 12387332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12397332Sjkh#ifdef SCD_DEBUG 12407332Sjkh if (scd_debuglevel > 0) { 12417332Sjkh i = cd->last_track+1; 12427332Sjkh printf("[END: %2d %2d %2d]\n", 12437332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12447332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12457332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12467332Sjkh } 12477332Sjkh#endif 12487332Sjkh 12497332Sjkh bzero(&cd->dlabel,sizeof(struct disklabel)); 12507332Sjkh /* filled with spaces first */ 12517332Sjkh strncpy(cd->dlabel.d_typename," ", 12527332Sjkh sizeof(cd->dlabel.d_typename)); 12537332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12547332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12557332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12567332Sjkh sizeof(cd->dlabel.d_packname)); 12577332Sjkh cd->dlabel.d_secsize = cd->blksize; 12587332Sjkh cd->dlabel.d_nsectors = 100; 12597332Sjkh cd->dlabel.d_ntracks = 1; 12607332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12617332Sjkh cd->dlabel.d_secpercyl = 100; 12627332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12637332Sjkh cd->dlabel.d_rpm = 300; 12647332Sjkh cd->dlabel.d_interleave = 1; 12657332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12667332Sjkh cd->dlabel.d_npartitions= 1; 12677332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12687332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12697332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12707332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12717332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12727332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12737332Sjkh 12747332Sjkh cd->flags |= SCDTOC; 12757332Sjkh 12767332Sjkh return 0; 12777332Sjkh} 12787332Sjkh 12797332Sjkhstatic inline void 12807332Sjkhwrite_control(unsigned port, unsigned data) 12817332Sjkh{ 12827332Sjkh outb(port + OREG_CONTROL, data); 12837332Sjkh} 12847332Sjkh 12857332Sjkhstatic void 12867332Sjkhinit_drive(unsigned unit) 12877332Sjkh{ 12887332Sjkh int rc; 12897332Sjkh 12907332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 12917332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 12927332Sjkh if (rc != 0) 12937332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 12947332Sjkh} 12957332Sjkh 12967332Sjkh/* Returns 0 or errno */ 12977332Sjkhstatic int 12987332Sjkhget_result(u_int unit, int result_len, u_char *result) 12997332Sjkh{ 13007332Sjkh unsigned int port = scd_data[unit].iobase; 13017332Sjkh unsigned int res_reg = port + IREG_RESULT; 13027332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 13037332Sjkh 13047332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 13057332Sjkh 13067332Sjkh while (result_len-- > 0) { 13077332Sjkh if (loop_index++ >= 10) { 13087332Sjkh loop_index = 1; 13097332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 13107332Sjkh return EIO; 13117332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13127332Sjkh } 13137332Sjkh if (result) 13147332Sjkh *result++ = inb(res_reg); 13157332Sjkh else 13167332Sjkh (void)inb(res_reg); 13177332Sjkh } 13187332Sjkh return 0; 13197332Sjkh} 13207332Sjkh 13217332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13227332Sjkhstatic int 13237332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13247332Sjkh{ 13257332Sjkh va_list ap; 13267332Sjkh u_int port = scd_data[unit].iobase; 13277332Sjkh u_int reg; 13287332Sjkh u_char c; 13297332Sjkh int rc; 13307332Sjkh int i; 13317332Sjkh 13327332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13337332Sjkh printf("scd%d: drive busy\n", unit); 13347332Sjkh return -0x100; 13357332Sjkh } 13367332Sjkh 13377332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13387332Sjkh 13397332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13407332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13417332Sjkh 13427332Sjkh for (i = 0; i < 100; i++) 13437332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13447332Sjkh break; 13457332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13467332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13477332Sjkh return -EIO; 13487332Sjkh } 13498876Srgrimes 13507332Sjkh va_start(ap, nargs); 13517332Sjkh reg = port + OREG_WPARAMS; 13527332Sjkh for (i = 0; i < nargs; i++) { 13537332Sjkh c = (u_char)va_arg(ap, int); 13547332Sjkh outb(reg, c); 13557332Sjkh XDEBUG(1, (",{0x%x}", c)); 13567332Sjkh } 13577332Sjkh va_end(ap); 13587332Sjkh XDEBUG(1, ("\n")); 13597332Sjkh 13607332Sjkh outb(port+OREG_COMMAND, cmd); 13617332Sjkh 136211872Sphk rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY); 136311872Sphk if (rc) 13647332Sjkh return -0x100; 13657332Sjkh 13667332Sjkh reg = port + IREG_RESULT; 13677332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13687332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13697332Sjkh case 0x20: 13707332Sjkh rc = inb(reg); 13717332Sjkh /* FALL TROUGH */ 13727332Sjkh case 0x50: 13737332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13747332Sjkh return -rc; 13757332Sjkh case 0x00: 13767332Sjkh default: 13777332Sjkh rc = inb(reg); 13787332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13797332Sjkh return rc; 13807332Sjkh } 13817332Sjkh} 13827332Sjkh 13837332Sjkhstatic void 13847332Sjkhprint_error(int unit, int errcode) 13857332Sjkh{ 13867332Sjkh switch (errcode) { 13877332Sjkh case -ERR_CD_NOT_LOADED: 13887332Sjkh printf("scd%d: door is open\n", unit); 13897332Sjkh break; 13907332Sjkh case -ERR_NO_CD_INSIDE: 13917332Sjkh printf("scd%d: no cd inside\n", unit); 13927332Sjkh break; 13937332Sjkh default: 13947332Sjkh if (errcode == -0x100 || errcode > 0) 13957332Sjkh printf("scd%d: device timeout\n", unit); 13967332Sjkh else 13977332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 13987332Sjkh break; 13997332Sjkh } 14007332Sjkh} 14017332Sjkh 14027332Sjkh/* Returns 0 or errno value */ 14037332Sjkhstatic int 14047332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 14057332Sjkh{ 14067332Sjkh u_int port = scd_data[unit].iobase; 14077332Sjkh u_int flags = scd_data[unit].flags; 14087332Sjkh u_int reg = port + IREG_STATUS; 14097332Sjkh u_int max_loop; 14107332Sjkh u_char c = 0; 14117332Sjkh 14127332Sjkh if (flags & SCDPROBING) { 14137332Sjkh max_loop = 0; 14147332Sjkh while (max_loop++ < 1000) { 14157332Sjkh c = inb(reg); 14167332Sjkh if (c == 0xff) 14177332Sjkh return EIO; 14187332Sjkh if (c & SBIT_ATTENTION) { 14197332Sjkh process_attention(unit); 14207332Sjkh continue; 14217332Sjkh } 14227332Sjkh if ((c & bits_set) == bits_set && 14237332Sjkh (c & bits_clear) == 0) 14247332Sjkh { 14257332Sjkh break; 14267332Sjkh } 14277332Sjkh DELAY(10000); 14287332Sjkh } 14297332Sjkh } else { 14307332Sjkh max_loop = 100; 14317332Sjkh while (max_loop-- > 0) { 14327332Sjkh c = inb(reg); 14337332Sjkh if (c & SBIT_ATTENTION) { 14347332Sjkh process_attention(unit); 14357332Sjkh continue; 14367332Sjkh } 14377332Sjkh if ((c & bits_set) == bits_set && 14387332Sjkh (c & bits_clear) == 0) 14397332Sjkh { 14407332Sjkh break; 14417332Sjkh } 14427332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14437332Sjkh } 14447332Sjkh } 14457332Sjkh if ((c & bits_set) == bits_set && 14467332Sjkh (c & bits_clear) == 0) 14477332Sjkh { 14487332Sjkh return 0; 14497332Sjkh } 14507332Sjkh#ifdef SCD_DEBUG 14517332Sjkh if (scd_debuglevel > 0) 14527332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14537332Sjkh else 14547332Sjkh#endif 14557332Sjkh printf("scd%d: timeout.\n", unit); 14567332Sjkh return EIO; 14577332Sjkh} 14587332Sjkh 14597332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14607332Sjkhstatic int 14617332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14627332Sjkh{ 14637332Sjkh struct scd_data *cd = scd_data + unit; 14647332Sjkh int rc; 14657332Sjkh 14667332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14677332Sjkh print_error(unit, rc); 14687332Sjkh return EIO; 14697332Sjkh } 14707332Sjkh 14717332Sjkh th->starting_track = cd->first_track; 14727332Sjkh th->ending_track = cd->last_track; 14737332Sjkh th->len = 0; /* not used */ 14747332Sjkh 14757332Sjkh return 0; 14767332Sjkh} 14777332Sjkh 14787332Sjkhstatic int 14797332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14807332Sjkh{ 14817332Sjkh struct scd_data *cd = scd_data + unit; 14827332Sjkh struct cd_toc_entry toc_entry; 14837332Sjkh int rc, i, len = te->data_len; 14847332Sjkh 14857332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14867332Sjkh print_error(unit, rc); 14877332Sjkh return EIO; 14887332Sjkh } 14897332Sjkh 14907332Sjkh /* find the toc to copy*/ 14917332Sjkh i = te->starting_track; 14927332Sjkh if (i == SCD_LASTPLUS1) 14937332Sjkh i = cd->last_track + 1; 14948876Srgrimes 14957332Sjkh /* verify starting track */ 14967332Sjkh if (i < cd->first_track || i > cd->last_track+1) 14977332Sjkh return EINVAL; 14987332Sjkh 14997332Sjkh /* valid length ? */ 15007332Sjkh if (len < sizeof(struct cd_toc_entry) 15017332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 15027332Sjkh return EINVAL; 15037332Sjkh 15047332Sjkh /* copy the toc data */ 15057332Sjkh toc_entry.control = cd->toc[i].ctl; 15067332Sjkh toc_entry.addr_type = te->address_format; 15077332Sjkh toc_entry.track = i; 15087332Sjkh if (te->address_format == CD_MSF_FORMAT) { 15097332Sjkh toc_entry.addr.msf.unused = 0; 15107332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15117332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15127332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15137332Sjkh } 15147332Sjkh 15157332Sjkh /* copy the data back */ 15167332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15177332Sjkh return EFAULT; 15187332Sjkh 15197332Sjkh return 0; 15207332Sjkh} 15217332Sjkh 152212517Sjulian 152325460Sjoergstatic int 152425460Sjoergscd_toc_entry (int unit, struct ioc_read_toc_single_entry *te) 152525460Sjoerg{ 152625460Sjoerg struct scd_data *cd = scd_data + unit; 152725460Sjoerg struct cd_toc_entry toc_entry; 152825460Sjoerg int rc, i; 152925460Sjoerg 153025460Sjoerg if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 153125460Sjoerg print_error(unit, rc); 153225460Sjoerg return EIO; 153325460Sjoerg } 153425460Sjoerg 153525460Sjoerg /* find the toc to copy*/ 153625460Sjoerg i = te->track; 153725460Sjoerg if (i == SCD_LASTPLUS1) 153825460Sjoerg i = cd->last_track + 1; 153925460Sjoerg 154025460Sjoerg /* verify starting track */ 154125460Sjoerg if (i < cd->first_track || i > cd->last_track+1) 154225460Sjoerg return EINVAL; 154325460Sjoerg 154425460Sjoerg /* copy the toc data */ 154525460Sjoerg toc_entry.control = cd->toc[i].ctl; 154625460Sjoerg toc_entry.addr_type = te->address_format; 154725460Sjoerg toc_entry.track = i; 154825460Sjoerg if (te->address_format == CD_MSF_FORMAT) { 154925460Sjoerg toc_entry.addr.msf.unused = 0; 155025460Sjoerg toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 155125460Sjoerg toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 155225460Sjoerg toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 155325460Sjoerg } 155425460Sjoerg 155525460Sjoerg /* copy the data back */ 155625460Sjoerg bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 155725460Sjoerg 155825460Sjoerg return 0; 155925460Sjoerg} 156025460Sjoerg 156125460Sjoerg 156212502Sjulianstatic scd_devsw_installed = 0; 156312502Sjulian 156412517Sjulianstatic void scd_drvinit(void *unused) 156512502Sjulian{ 156612517Sjulian 156712502Sjulian if( ! scd_devsw_installed ) { 156817264Sphk bdevsw_add_generic(BDEV_MAJOR,CDEV_MAJOR, &scd_bdevsw); 156912502Sjulian scd_devsw_installed = 1; 157012517Sjulian } 157112502Sjulian} 157212517Sjulian 157312517SjulianSYSINIT(scddev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,scd_drvinit,NULL) 157412517Sjulian 157512502Sjulian 15767332Sjkh#endif /* NSCD > 0 */ 1577