scd.c revision 7369
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 447369Sbde/* $Id: scd.c,v 1.1 1995/03/24 18:33:00 jkh 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/ioctl.h> 627332Sjkh#include <sys/cdio.h> 637332Sjkh#include <sys/errno.h> 647332Sjkh#include <sys/dkbad.h> 657332Sjkh#include <sys/disklabel.h> 667332Sjkh#include <sys/devconf.h> 677369Sbde 687369Sbde#include <machine/clock.h> 697332Sjkh#include <machine/stdarg.h> 707332Sjkh 717332Sjkh#include <i386/isa/isa.h> 727332Sjkh#include <i386/isa/isa_device.h> 737369Sbde#include <i386/isa/scdreg.h> 747332Sjkh 757332Sjkh#define scd_part(dev) ((minor(dev)) & 7) 767332Sjkh#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) 777332Sjkh#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) 787332Sjkh#define RAW_PART 2 797332Sjkh 807332Sjkh/* flags */ 817332Sjkh#define SCDOPEN 0x0001 /* device opened */ 827332Sjkh#define SCDVALID 0x0002 /* parameters loaded */ 837332Sjkh#define SCDINIT 0x0004 /* device is init'd */ 847332Sjkh#define SCDPROBING 0x0020 /* probing */ 857332Sjkh#define SCDTOC 0x0100 /* already read toc */ 867332Sjkh#define SCDMBXBSY 0x0200 /* local mbx is busy */ 877332Sjkh#define SCDSPINNING 0x0400 /* drive is spun up */ 887332Sjkh 897332Sjkh#define SCD_S_BEGIN 0 907332Sjkh#define SCD_S_BEGIN1 1 917332Sjkh#define SCD_S_WAITSTAT 2 927332Sjkh#define SCD_S_WAITFIFO 3 937332Sjkh#define SCD_S_WAITSPIN 4 947332Sjkh#define SCD_S_WAITREAD 5 957332Sjkh#define SCD_S_WAITPARAM 6 967332Sjkh 977332Sjkh#define RDELAY_WAIT 300 987332Sjkh#define RDELAY_WAITREAD 300 997332Sjkh 1007332Sjkh#define SCDBLKSIZE 2048 1017332Sjkh 1027332Sjkh#ifdef SCD_DEBUG 1037332Sjkh int scd_debuglevel = SCD_DEBUG; 1047332Sjkh# define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;} 1057332Sjkh#else 1067332Sjkh# define XDEBUG(level, data) 1077332Sjkh#endif 1087332Sjkh 1097332Sjkhstruct scd_mbx { 1107332Sjkh short unit; 1117332Sjkh short port; 1127332Sjkh short retry; 1137332Sjkh short nblk; 1147332Sjkh int sz; 1157332Sjkh u_long skip; 1167332Sjkh struct buf *bp; 1177332Sjkh int p_offset; 1187332Sjkh short count; 1197332Sjkh}; 1207332Sjkh 1217332Sjkhstruct scd_data { 1227332Sjkh int iobase; 1237332Sjkh char double_speed; 1247332Sjkh char *name; 1257332Sjkh short flags; 1267332Sjkh int blksize; 1277332Sjkh u_long disksize; 1287332Sjkh struct disklabel dlabel; 1297332Sjkh int openflag; 1307332Sjkh struct { 1317332Sjkh unsigned char adr :4; 1327332Sjkh unsigned char ctl :4; /* xcdplayer needs this */ 1337332Sjkh unsigned char start_msf[3]; 1347332Sjkh } toc[MAX_TRACKS]; 1357332Sjkh short first_track; 1367332Sjkh short last_track; 1377332Sjkh struct ioc_play_msf last_play; 1387332Sjkh 1397332Sjkh short audio_status; 1407332Sjkh struct buf head; /* head of buf queue */ 1417332Sjkh struct scd_mbx mbx; 1427332Sjkh} scd_data[NSCD]; 1437332Sjkh 1447332Sjkh/* prototypes */ 1457332Sjkhint scdopen(dev_t dev); 1467332Sjkhint scdclose(dev_t dev); 1477332Sjkhvoid scdstrategy(struct buf *bp); 1487332Sjkhint scdioctl(dev_t dev, int cmd, caddr_t addr, int flags); 1497332Sjkhint scdsize(dev_t dev); 1507332Sjkh 1517332Sjkhstatic int bcd2bin(bcd_t b); 1527332Sjkhstatic bcd_t bin2bcd(int b); 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 waitfor_attention(int unit); 1607332Sjkhstatic int send_cmd(u_int unit, u_char cmd, u_int nargs, ...); 1617332Sjkhstatic void init_drive(unsigned unit); 1627332Sjkhstatic int spin_up(unsigned unit); 1637332Sjkhstatic int read_toc(dev_t dev); 1647332Sjkhstatic int get_result(u_int unit, int result_len, u_char *result); 1657332Sjkhstatic void print_error(int unit, int errcode); 1667332Sjkh 1677332Sjkhstatic void scd_start(int unit); 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); 1837332Sjkh#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 1847332Sjkh 1857332Sjkhextern int hz; 1867332Sjkh 1877332Sjkhint scd_probe(struct isa_device *dev); 1887332Sjkhint scd_attach(struct isa_device *dev); 1897332Sjkhstruct isa_driver scddriver = { scd_probe, scd_attach, "scd" }; 1907332Sjkh 1917332Sjkhstatic struct kern_devconf kdc_scd[NSCD] = { { 1927332Sjkh 0, 0, 0, /* filled in by dev_attach */ 1937332Sjkh "scd", 0, { MDDT_ISA, 0, "bio" }, 1947332Sjkh isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 1957332Sjkh &kdc_isa0, /* parent */ 1967332Sjkh 0, /* parentdata */ 1977332Sjkh DC_IDLE, /* status */ 1987332Sjkh "Sony CD-ROM drive" /* properly filled later */ 1997332Sjkh} }; 2007332Sjkh 2017332Sjkhstatic inline void 2027332Sjkhscd_registerdev(struct isa_device *id) 2037332Sjkh{ 2047332Sjkh if(id->id_unit) 2057332Sjkh kdc_scd[id->id_unit] = kdc_scd[0]; 2067332Sjkh kdc_scd[id->id_unit].kdc_unit = id->id_unit; 2077332Sjkh kdc_scd[id->id_unit].kdc_isa = id; 2087332Sjkh dev_attach(&kdc_scd[id->id_unit]); 2097332Sjkh} 2107332Sjkh 2117332Sjkhint scd_attach(struct isa_device *dev) 2127332Sjkh{ 2137332Sjkh struct scd_data *cd = scd_data + dev->id_unit; 2147332Sjkh int i; 2157332Sjkh 2167332Sjkh cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ 2177332Sjkh 2187332Sjkh scd_registerdev(dev); 2197332Sjkh /* name filled in probe */ 2207332Sjkh kdc_scd[dev->id_unit].kdc_description = scd_data[dev->id_unit].name; 2217332Sjkh printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); 2227332Sjkh 2237332Sjkh init_drive(dev->id_unit); 2247332Sjkh 2257332Sjkh cd->flags = SCDINIT; 2267332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 2277332Sjkh 2287332Sjkh return 1; 2297332Sjkh} 2307332Sjkh 2317332Sjkhint 2327332Sjkhscdopen(dev_t dev) 2337332Sjkh{ 2347332Sjkh int unit,part,phys; 2357332Sjkh int rc; 2367332Sjkh struct scd_data *cd; 2377332Sjkh 2387332Sjkh unit = scd_unit(dev); 2397332Sjkh if (unit >= NSCD) 2407332Sjkh return ENXIO; 2417332Sjkh 2427332Sjkh cd = scd_data + unit; 2437332Sjkh part = scd_part(dev); 2447332Sjkh phys = scd_phys(dev); 2457332Sjkh 2467332Sjkh /* not initialized*/ 2477332Sjkh if (!(cd->flags & SCDINIT)) 2487332Sjkh return ENXIO; 2497332Sjkh 2507332Sjkh /* invalidated in the meantime? mark all open part's invalid */ 2517332Sjkh if (cd->openflag) 2527332Sjkh return ENXIO; 2537332Sjkh 2547332Sjkh XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS))); 2557332Sjkh 2567332Sjkh if ((rc = spin_up(unit)) != 0) { 2577332Sjkh print_error(unit, rc); 2587332Sjkh return EIO; 2597332Sjkh } 2607332Sjkh if (!(cd->flags & SCDTOC)) { 2617332Sjkh int loop_count = 3; 2627332Sjkh 2637332Sjkh while (loop_count-- > 0 && (rc = read_toc(dev)) != 0) { 2647332Sjkh if (rc == ERR_NOT_SPINNING) { 2657332Sjkh rc = spin_up(unit); 2667332Sjkh if (rc) { 2677332Sjkh print_error(unit, rc);\ 2687332Sjkh return EIO; 2697332Sjkh } 2707332Sjkh continue; 2717332Sjkh } 2727332Sjkh printf("scd%d: TOC read error 0x%x\n", unit, rc); 2737332Sjkh return EIO; 2747332Sjkh } 2757332Sjkh } 2767332Sjkh 2777332Sjkh cd->openflag = 1; 2787332Sjkh cd->flags |= SCDVALID; 2797332Sjkh kdc_scd[unit].kdc_state = DC_BUSY; 2807332Sjkh 2817332Sjkh return 0; 2827332Sjkh} 2837332Sjkh 2847332Sjkhint 2857332Sjkhscdclose(dev_t dev) 2867332Sjkh{ 2877332Sjkh int unit,part,phys; 2887332Sjkh struct scd_data *cd; 2897332Sjkh int rlen; 2907332Sjkh char rdata[10]; 2917332Sjkh 2927332Sjkh unit = scd_unit(dev); 2937332Sjkh if (unit >= NSCD) 2947332Sjkh return ENXIO; 2957332Sjkh 2967332Sjkh cd = scd_data + unit; 2977332Sjkh part = scd_part(dev); 2987332Sjkh phys = scd_phys(dev); 2997332Sjkh 3007332Sjkh if (!(cd->flags & SCDINIT) || !cd->openflag) 3017332Sjkh return ENXIO; 3027332Sjkh 3037332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) { 3047332Sjkh (void)send_cmd(unit, CMD_SPIN_DOWN, 0); 3057332Sjkh cd->flags &= ~SCDSPINNING; 3067332Sjkh } 3077332Sjkh 3087332Sjkh kdc_scd[unit].kdc_state = DC_IDLE; 3097332Sjkh 3107332Sjkh /* close channel */ 3117332Sjkh cd->openflag = 0; 3127332Sjkh 3137332Sjkh return 0; 3147332Sjkh} 3157332Sjkh 3167332Sjkhvoid 3177332Sjkhscdstrategy(struct buf *bp) 3187332Sjkh{ 3197332Sjkh struct scd_data *cd; 3207332Sjkh struct buf *qp; 3217332Sjkh int s; 3227332Sjkh int unit = scd_unit(bp->b_dev); 3237332Sjkh 3247332Sjkh cd = scd_data + unit; 3257332Sjkh 3267332Sjkh XDEBUG(2, ("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", unit, bp->b_blkno, bp->b_bcount)); 3277332Sjkh 3287332Sjkh if (unit >= NSCD || bp->b_blkno < 0 || (bp->b_bcount % SCDBLKSIZE)) { 3297332Sjkh printf("scd%d: strategy failure: blkno = %d, bcount = %d\n", 3307332Sjkh unit, bp->b_blkno, bp->b_bcount); 3317332Sjkh bp->b_error = EINVAL; 3327332Sjkh bp->b_flags |= B_ERROR; 3337332Sjkh goto bad; 3347332Sjkh } 3357332Sjkh 3367332Sjkh /* if device invalidated (e.g. media change, door open), error */ 3377332Sjkh if (!(cd->flags & SCDVALID)) { 3387332Sjkh printf("scd%d: media changed\n", unit); 3397332Sjkh bp->b_error = EIO; 3407332Sjkh goto bad; 3417332Sjkh } 3427332Sjkh 3437332Sjkh /* read only */ 3447332Sjkh if (!(bp->b_flags & B_READ)) { 3457332Sjkh bp->b_error = EROFS; 3467332Sjkh goto bad; 3477332Sjkh } 3487332Sjkh 3497332Sjkh /* no data to read */ 3507332Sjkh if (bp->b_bcount == 0) 3517332Sjkh goto done; 3527332Sjkh 3537332Sjkh if (!(cd->flags & SCDTOC)) { 3547332Sjkh bp->b_error = EIO; 3557332Sjkh goto bad; 3567332Sjkh } 3577332Sjkh /* adjust transfer if necessary */ 3587332Sjkh if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) 3597332Sjkh goto done; 3607332Sjkh 3617332Sjkh bp->b_pblkno = bp->b_blkno; 3627332Sjkh bp->b_resid = 0; 3637332Sjkh 3647332Sjkh /* queue it */ 3657332Sjkh qp = &cd->head; 3667332Sjkh s = splbio(); 3677332Sjkh disksort(qp,bp); 3687332Sjkh splx(s); 3697332Sjkh 3707332Sjkh /* now check whether we can perform processing */ 3717332Sjkh scd_start(unit); 3727332Sjkh return; 3737332Sjkh 3747332Sjkhbad: 3757332Sjkh bp->b_flags |= B_ERROR; 3767332Sjkhdone: 3777332Sjkh bp->b_resid = bp->b_bcount; 3787332Sjkh biodone(bp); 3797332Sjkh return; 3807332Sjkh} 3817332Sjkh 3827332Sjkhstatic void 3837332Sjkhscd_start(int unit) 3847332Sjkh{ 3857332Sjkh struct scd_data *cd = scd_data + unit; 3867332Sjkh struct buf *bp, *qp = &cd->head; 3877332Sjkh struct partition *p; 3887332Sjkh int part; 3897332Sjkh register s = splbio(); 3907332Sjkh 3917332Sjkh if (cd->flags & SCDMBXBSY) { 3927332Sjkh splx(s); 3937332Sjkh return; 3947332Sjkh } 3957332Sjkh 3967332Sjkh if ((bp = qp->b_actf) != 0) { 3977332Sjkh /* block found to process, dequeue */ 3987332Sjkh qp->b_actf = bp->b_actf; 3997332Sjkh cd->flags |= SCDMBXBSY; 4007332Sjkh splx(s); 4017332Sjkh } else { 4027332Sjkh /* nothing to do */ 4037332Sjkh splx(s); 4047332Sjkh return; 4057332Sjkh } 4067332Sjkh 4077332Sjkh p = cd->dlabel.d_partitions + scd_part(bp->b_dev); 4087332Sjkh 4097332Sjkh cd->mbx.unit = unit; 4107332Sjkh cd->mbx.port = cd->iobase; 4117332Sjkh cd->mbx.retry = 3; 4127332Sjkh cd->mbx.bp = bp; 4137332Sjkh cd->mbx.p_offset = p->p_offset; 4147332Sjkh splx(s); 4157332Sjkh 4167332Sjkh scd_doread(SCD_S_BEGIN,&(cd->mbx)); 4177332Sjkh return; 4187332Sjkh} 4197332Sjkh 4207332Sjkhint 4217332Sjkhscdioctl(dev_t dev, int cmd, caddr_t addr, int flags) 4227332Sjkh{ 4237332Sjkh struct scd_data *cd; 4247332Sjkh int unit,part; 4257332Sjkh 4267332Sjkh unit = scd_unit(dev); 4277332Sjkh part = scd_part(dev); 4287332Sjkh cd = scd_data + unit; 4297332Sjkh 4307332Sjkh XDEBUG(1, ("scd%d: ioctl: cmd=0x%lx\n", unit, cmd)); 4317332Sjkh 4327332Sjkh if (!(cd->flags & SCDVALID)) 4337332Sjkh return EIO; 4347332Sjkh 4357332Sjkh switch (cmd) { 4367332Sjkh case DIOCSBAD: 4377332Sjkh return EINVAL; 4387332Sjkh case DIOCGDINFO: 4397332Sjkh *(struct disklabel *)addr = cd->dlabel; 4407332Sjkh return 0; 4417332Sjkh case DIOCGPART: 4427332Sjkh ((struct partinfo *)addr)->disklab = &cd->dlabel; 4437332Sjkh ((struct partinfo *)addr)->part = 4447332Sjkh &cd->dlabel.d_partitions[0]; 4457332Sjkh return 0; 4467332Sjkh case CDIOCPLAYTRACKS: 4477332Sjkh return scd_playtracks(unit, (struct ioc_play_track *) addr); 4487332Sjkh case CDIOCPLAYBLOCKS: 4497332Sjkh return EINVAL; 4507332Sjkh case CDIOCPLAYMSF: 4517332Sjkh return scd_playmsf(unit, (struct ioc_play_msf *) addr); 4527332Sjkh case CDIOCREADSUBCHANNEL: 4537332Sjkh return scd_subchan(unit, (struct ioc_read_subchannel *) addr); 4547332Sjkh case CDIOREADTOCHEADER: 4557332Sjkh return scd_toc_header (unit, (struct ioc_toc_header *) addr); 4567332Sjkh case CDIOREADTOCENTRYS: 4577332Sjkh return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr); 4587332Sjkh case CDIOCSETPATCH: 4597332Sjkh case CDIOCGETVOL: 4607332Sjkh case CDIOCSETVOL: 4617332Sjkh case CDIOCSETMONO: 4627332Sjkh case CDIOCSETSTERIO: 4637332Sjkh case CDIOCSETMUTE: 4647332Sjkh case CDIOCSETLEFT: 4657332Sjkh case CDIOCSETRIGHT: 4667332Sjkh return EINVAL; 4677332Sjkh case CDIOCRESUME: 4687332Sjkh return scd_resume(unit); 4697332Sjkh case CDIOCPAUSE: 4707332Sjkh return scd_pause(unit); 4717332Sjkh case CDIOCSTART: 4727332Sjkh return EINVAL; 4737332Sjkh case CDIOCSTOP: 4747332Sjkh return scd_stop(unit); 4757332Sjkh case CDIOCEJECT: 4767332Sjkh return scd_eject(unit); 4777332Sjkh case CDIOCALLOW: 4787332Sjkh return 0; 4797332Sjkh case CDIOCSETDEBUG: 4807332Sjkh#ifdef SCD_DEBUG 4817332Sjkh scd_debuglevel++; 4827332Sjkh#endif 4837332Sjkh return 0; 4847332Sjkh case CDIOCCLRDEBUG: 4857332Sjkh#ifdef SCD_DEBUG 4867332Sjkh scd_debuglevel = 0; 4877332Sjkh 4887332Sjkh#endif 4897332Sjkh return 0; 4907332Sjkh default: 4917332Sjkh printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd); 4927332Sjkh return ENOTTY; 4937332Sjkh } 4947332Sjkh} 4957332Sjkh 4967332Sjkhint 4977332Sjkhscdsize(dev_t dev) 4987332Sjkh{ 4997332Sjkh return -1; 5007332Sjkh} 5017332Sjkh 5027332Sjkhvoid 5037332Sjkhscdintr() 5047332Sjkh{ 5057332Sjkh return; 5067332Sjkh} 5077332Sjkh 5087332Sjkh/*************************************************************** 5097332Sjkh * lower level of driver starts here 5107332Sjkh **************************************************************/ 5117332Sjkh 5127332Sjkhstatic int 5137332Sjkhscd_playtracks(int unit, struct ioc_play_track *pt) 5147332Sjkh{ 5157332Sjkh struct scd_data *cd = scd_data + unit; 5167332Sjkh struct ioc_play_msf msf; 5177332Sjkh int a = pt->start_track; 5187332Sjkh int z = pt->end_track; 5197332Sjkh int rc, i; 5207332Sjkh 5217332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 5227332Sjkh if (rc == -ERR_NOT_SPINNING) { 5237332Sjkh if (spin_up(unit) != 0) 5247332Sjkh return EIO; 5257332Sjkh rc = read_toc(unit); 5267332Sjkh } 5277332Sjkh if (rc != 0) { 5287332Sjkh print_error(unit, rc); 5297332Sjkh return EIO; 5307332Sjkh } 5317332Sjkh } 5327332Sjkh 5337332Sjkh XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit, 5347332Sjkh a, pt->start_index, z, pt->end_index)); 5357332Sjkh 5367332Sjkh if ( a < cd->first_track 5377332Sjkh || a > cd->last_track 5387332Sjkh || a > z 5397332Sjkh || z > cd->last_track) 5407332Sjkh return EINVAL; 5417332Sjkh 5427332Sjkh bcopy(cd->toc[a].start_msf, &msf.start_m, 3); 5437332Sjkh hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m); 5447332Sjkh 5457332Sjkh return scd_play(unit, &msf); 5467332Sjkh} 5477332Sjkh 5487332Sjkh/* The start/end msf is expected to be in bin format */ 5497332Sjkhstatic int 5507332Sjkhscd_playmsf(int unit, struct ioc_play_msf *msfin) 5517332Sjkh{ 5527332Sjkh struct ioc_play_msf msf; 5537332Sjkh 5547332Sjkh msf.start_m = bin2bcd(msfin->start_m); 5557332Sjkh msf.start_s = bin2bcd(msfin->start_s); 5567332Sjkh msf.start_f = bin2bcd(msfin->start_f); 5577332Sjkh msf.end_m = bin2bcd(msfin->end_m); 5587332Sjkh msf.end_s = bin2bcd(msfin->end_s); 5597332Sjkh msf.end_f = bin2bcd(msfin->end_f); 5607332Sjkh 5617332Sjkh return scd_play(unit, &msf); 5627332Sjkh} 5637332Sjkh 5647332Sjkh/* The start/end msf is expected to be in bcd format */ 5657332Sjkhstatic int 5667332Sjkhscd_play(int unit, struct ioc_play_msf *msf) 5677332Sjkh{ 5687332Sjkh struct scd_data *cd = scd_data + unit; 5697332Sjkh int i, rc; 5707332Sjkh 5717332Sjkh XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit, 5727332Sjkh msf->start_m, msf->start_s, msf->start_f, 5737332Sjkh msf->end_m, msf->end_s, msf->end_f)); 5747332Sjkh 5757332Sjkh for (i = 0; i < 2; i++) { 5767332Sjkh rc = send_cmd(unit, CMD_PLAY_AUDIO, 7, 5777332Sjkh 0x03, 5787332Sjkh msf->start_m, msf->start_s, msf->start_f, 5797332Sjkh msf->end_m, msf->end_s, msf->end_f); 5807332Sjkh if (rc == -ERR_NOT_SPINNING) { 5817332Sjkh cd->flags &= ~SCDSPINNING; 5827332Sjkh if (spin_up(unit) != 0) 5837332Sjkh return EIO; 5847332Sjkh } else if (rc < 0) { 5857332Sjkh print_error(unit, rc); 5867332Sjkh return EIO; 5877332Sjkh } else { 5887332Sjkh break; 5897332Sjkh } 5907332Sjkh } 5917332Sjkh cd->audio_status = CD_AS_PLAY_IN_PROGRESS; 5927332Sjkh bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf)); 5937332Sjkh return 0; 5947332Sjkh} 5957332Sjkh 5967332Sjkhstatic int 5977332Sjkhscd_stop(int unit) 5987332Sjkh{ 5997332Sjkh struct scd_data *cd = scd_data + unit; 6007332Sjkh 6017332Sjkh (void)send_cmd(unit, CMD_STOP_AUDIO, 0); 6027332Sjkh cd->audio_status = CD_AS_PLAY_COMPLETED; 6037332Sjkh return 0; 6047332Sjkh} 6057332Sjkh 6067332Sjkhstatic int 6077332Sjkhscd_pause(int unit) 6087332Sjkh{ 6097332Sjkh struct scd_data *cd = scd_data + unit; 6107332Sjkh struct sony_subchannel_position_data subpos; 6117332Sjkh 6127332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) 6137332Sjkh return EINVAL; 6147332Sjkh 6157332Sjkh if (read_subcode(unit, &subpos) != 0) 6167332Sjkh return EIO; 6177332Sjkh 6187332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0) 6197332Sjkh return EIO; 6207332Sjkh 6217332Sjkh cd->last_play.start_m = subpos.abs_msf[0]; 6227332Sjkh cd->last_play.start_s = subpos.abs_msf[1]; 6237332Sjkh cd->last_play.start_f = subpos.abs_msf[2]; 6247332Sjkh cd->audio_status = CD_AS_PLAY_PAUSED; 6257332Sjkh 6267332Sjkh XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit, 6277332Sjkh cd->last_play.start_m, 6287332Sjkh cd->last_play.start_s, 6297332Sjkh cd->last_play.start_f)); 6307332Sjkh 6317332Sjkh return 0; 6327332Sjkh} 6337332Sjkh 6347332Sjkhstatic int 6357332Sjkhscd_resume(int unit) 6367332Sjkh{ 6377332Sjkh if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED) 6387332Sjkh return EINVAL; 6397332Sjkh return scd_play(unit, &scd_data[unit].last_play); 6407332Sjkh} 6417332Sjkh 6427332Sjkhstatic int 6437332Sjkhscd_eject(int unit) 6447332Sjkh{ 6457332Sjkh struct scd_data *cd = scd_data + unit; 6467332Sjkh int port = cd->iobase; 6477332Sjkh 6487332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 6497332Sjkh cd->flags &= ~(SCDSPINNING|SCDTOC); 6507332Sjkh 6517332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 || 6527332Sjkh send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 || 6537332Sjkh send_cmd(unit, CMD_EJECT, 0) != 0) 6547332Sjkh { 6557332Sjkh return EIO; 6567332Sjkh } 6577332Sjkh return 0; 6587332Sjkh} 6597332Sjkh 6607332Sjkhstatic int 6617332Sjkhscd_subchan(int unit, struct ioc_read_subchannel *sc) 6627332Sjkh{ 6637332Sjkh struct scd_data *cd = scd_data + unit; 6647332Sjkh struct sony_subchannel_position_data q; 6657332Sjkh struct cd_sub_channel_info data; 6667332Sjkh 6677332Sjkh XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit, 6687332Sjkh sc->address_format, 6697332Sjkh sc->data_format)); 6707332Sjkh 6717332Sjkh if (sc->address_format != CD_MSF_FORMAT) 6727332Sjkh return EINVAL; 6737332Sjkh 6747332Sjkh if (sc->data_format != CD_CURRENT_POSITION) 6757332Sjkh return EINVAL; 6767332Sjkh 6777332Sjkh if (read_subcode(unit, &q) != 0) 6787332Sjkh return EIO; 6797332Sjkh 6807332Sjkh data.header.audio_status = cd->audio_status; 6817332Sjkh data.what.position.data_format = CD_MSF_FORMAT; 6827332Sjkh data.what.position.track_number = bcd2bin(q.track_number); 6837332Sjkh data.what.position.reladdr.msf.unused = 0; 6847332Sjkh data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 6857332Sjkh data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 6867332Sjkh data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 6877332Sjkh data.what.position.absaddr.msf.unused = 0; 6887332Sjkh data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 6897332Sjkh data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 6907332Sjkh data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 6917332Sjkh 6927332Sjkh if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) 6937332Sjkh return EFAULT; 6947332Sjkh return 0; 6957332Sjkh} 6967332Sjkh 6977332Sjkhint 6987332Sjkhscd_probe(struct isa_device *dev) 6997332Sjkh{ 7007332Sjkh struct sony_drive_configuration drive_config; 7017332Sjkh int unit = dev->id_unit; 7027332Sjkh int rc; 7037332Sjkh static char namebuf[8+16+8+3]; 7047332Sjkh char *s = namebuf; 7057332Sjkh int loop_count = 0; 7067332Sjkh 7077332Sjkh scd_data[unit].flags = SCDPROBING; 7087332Sjkh scd_data[unit].iobase = dev->id_iobase; 7097332Sjkh 7107332Sjkh bzero(&drive_config, sizeof(drive_config)); 7117332Sjkh 7127332Sjkhagain: 7137332Sjkh /* Reset drive */ 7147332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7157332Sjkh 7167332Sjkh /* Calm down */ 7177332Sjkh DELAY(300000); 7187332Sjkh 7197332Sjkh /* Only the ATTENTION bit may be set */ 7207332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7217332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7227332Sjkh return 0; 7237332Sjkh } 7247332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7257332Sjkh if (rc != sizeof(drive_config)) { 7267332Sjkh /* Sometimes if the drive is playing audio I get */ 7277332Sjkh /* the bad result 82. Fix by repeating the reset */ 7287332Sjkh if (rc > 0 && loop_count++ == 0) 7297332Sjkh goto again; 7307332Sjkh return 0; 7317332Sjkh } 7327332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7337332Sjkh return 0; 7347332Sjkh 7357332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7367332Sjkh s = namebuf+8; 7377332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7387332Sjkh s--; 7397332Sjkh *s++ = ' '; 7407332Sjkh bcopy(drive_config.product, s, 16); 7417332Sjkh s += 16; 7427332Sjkh while (*(s-1) == ' ') 7437332Sjkh s--; 7447332Sjkh *s++ = ' '; 7457332Sjkh bcopy(drive_config.revision, s, 8); 7467332Sjkh s += 8; 7477332Sjkh while (*(s-1) == ' ') 7487332Sjkh s--; 7497332Sjkh *s = 0; 7507332Sjkh 7517332Sjkh scd_data[unit].name = namebuf; 7527332Sjkh 7537332Sjkh if (drive_config.config & 0x10) 7547332Sjkh scd_data[unit].double_speed = 1; 7557332Sjkh else 7567332Sjkh scd_data[unit].double_speed = 0; 7577332Sjkh 7587332Sjkh return 4; 7597332Sjkh} 7607332Sjkh 7617332Sjkhstatic int 7627332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7637332Sjkh{ 7647332Sjkh int rc; 7657332Sjkh 7667332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7677332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7687332Sjkh return EIO; 7697332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7707332Sjkh return EIO; 7717332Sjkh return 0; 7727332Sjkh} 7737332Sjkh 7747332Sjkh/* State machine copied from mcd.c */ 7757332Sjkh 7767332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7777332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7787332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7797332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7807332Sjkh 7817332Sjkh/* state machine to process read requests 7827332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7837332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7847332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7857332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7867332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7877332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7887332Sjkh */ 7897332Sjkh 7907332Sjkhstatic struct scd_mbx *mbxsave; 7917332Sjkh 7927332Sjkhstatic void 7937332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7947332Sjkh{ 7957332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 7967332Sjkh int unit = mbx->unit; 7977332Sjkh int port = mbx->port; 7987332Sjkh struct buf *bp = mbx->bp; 7997332Sjkh struct scd_data *cd = scd_data + unit; 8007332Sjkh int reg,i,k,c; 8017332Sjkh int blknum; 8027332Sjkh caddr_t addr; 8037332Sjkh char rdata[10]; 8047332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 8057332Sjkh 8067332Sjkhloop: 8077332Sjkh switch (state) { 8087332Sjkh case SCD_S_BEGIN: 8097332Sjkh mbx = mbxsave = mbxin; 8107332Sjkh 8117332Sjkh case SCD_S_BEGIN1: 8127332Sjkh /* get status */ 8137332Sjkh mbx->count = RDELAY_WAIT; 8147332Sjkh 8157332Sjkh process_attention(unit); 8167332Sjkh goto trystat; 8177332Sjkh 8187332Sjkh case SCD_S_WAITSTAT: 8197332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSTAT); 8207332Sjkh if (mbx->count-- <= 0) { 8217332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8227332Sjkh goto harderr; 8237332Sjkh } 8247332Sjkh 8257332Sjkhtrystat: 8267332Sjkh if (IS_BUSY(port)) { 8277332Sjkh timeout((timeout_func_t)scd_doread, 8287332Sjkh (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8297332Sjkh return; 8307332Sjkh } 8317332Sjkh 8327332Sjkh process_attention(unit); 8337332Sjkh 8347332Sjkh /* reject, if audio active */ 8357332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8367332Sjkh printf("scd%d: audio is active\n",unit); 8377332Sjkh goto harderr; 8387332Sjkh } 8397332Sjkh 8407332Sjkh mbx->sz = cd->blksize; 8417332Sjkh 8427332Sjkhfirstblock: 8437332Sjkh /* for first block */ 8447332Sjkh mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz; 8457332Sjkh mbx->skip = 0; 8467332Sjkh 8477332Sjkhnextblock: 8487332Sjkh if (!(cd->flags & SCDVALID)) 8497332Sjkh goto changed; 8507332Sjkh 8517332Sjkh blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE)) 8527332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8537332Sjkh 8547332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8557332Sjkh 8567332Sjkh /* build parameter block */ 8577332Sjkh hsg2msf(blknum, sdata); 8587332Sjkh 8597332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8607332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8617332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8627332Sjkh 8637332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8647332Sjkh goto writeparam; 8657332Sjkh 8667332Sjkh mbx->count = 100; 8677332Sjkh timeout((timeout_func_t)scd_doread, 8687332Sjkh (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8697332Sjkh return; 8707332Sjkh 8717332Sjkh case SCD_S_WAITSPIN: 8727332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSPIN); 8737332Sjkh if (mbx->count-- <= 0) { 8747332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8757332Sjkh goto harderr; 8767332Sjkh } 8777332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 8787332Sjkh timeout((timeout_func_t)scd_doread, 8797332Sjkh (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8807332Sjkh return; 8817332Sjkh } 8827332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8837332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8847332Sjkh case 0x20: 8857332Sjkh i = inb(port+IREG_RESULT); 8867332Sjkh print_error(unit, i); 8877332Sjkh goto harderr; 8887332Sjkh case 0x00: 8897332Sjkh (void)inb(port+IREG_RESULT); 8907332Sjkh cd->flags |= SCDSPINNING; 8917332Sjkh break; 8927332Sjkh } 8937332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8947332Sjkh 8957332Sjkh state = SCD_S_BEGIN1; 8967332Sjkh goto loop; 8977332Sjkh 8987332Sjkh case SCD_S_WAITFIFO: 8997332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITFIFO); 9007332Sjkh if (mbx->count-- <= 0) { 9017332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 9027332Sjkh goto harderr; 9037332Sjkh } 9047332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 9057332Sjkh timeout((timeout_func_t)scd_doread, 9067332Sjkh (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 9077332Sjkh return; 9087332Sjkh } 9097332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9107332Sjkh 9117332Sjkhwriteparam: 9127332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9137332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9147332Sjkh if (!(cd->flags & SCDSPINNING)) { 9157332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9167332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9177332Sjkh mbx->count = 300; 9187332Sjkh timeout((timeout_func_t)scd_doread, 9197332Sjkh (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9207332Sjkh return; 9217332Sjkh } 9227332Sjkh 9237332Sjkh reg = port + OREG_WPARAMS; 9247332Sjkh /* send the read command */ 9257332Sjkh disable_intr(); 9267332Sjkh outb(reg, sdata[0]); 9277332Sjkh outb(reg, sdata[1]); 9287332Sjkh outb(reg, sdata[2]); 9297332Sjkh outb(reg, 0); 9307332Sjkh outb(reg, 0); 9317332Sjkh outb(reg, 1); 9327332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9337332Sjkh enable_intr(); 9347332Sjkh 9357332Sjkh mbx->count = RDELAY_WAITREAD; 9367332Sjkh for (i = 0; i < 50; i++) { 9377332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9387332Sjkh goto got_data; 9397332Sjkh DELAY(100); 9407332Sjkh } 9417332Sjkh 9427332Sjkh timeout((timeout_func_t)scd_doread, 9437332Sjkh (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9447332Sjkh return; 9457332Sjkh 9467332Sjkh case SCD_S_WAITREAD: 9477332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITREAD); 9487332Sjkh if (mbx->count-- <= 0) { 9497332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9507332Sjkh goto got_param; 9517332Sjkh printf("scd%d: timeout while reading data\n",unit); 9527332Sjkh goto readerr; 9537332Sjkh } 9547332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9557332Sjkh process_attention(unit); 9567332Sjkh if (!(cd->flags & SCDVALID)) 9577332Sjkh goto changed; 9587332Sjkh timeout((timeout_func_t)scd_doread, 9597332Sjkh (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9607332Sjkh return; 9617332Sjkh } 9627332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9637332Sjkh 9647332Sjkhgot_data: 9657332Sjkh /* data is ready */ 9667332Sjkh addr = bp->b_un.b_addr + mbx->skip; 9677332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9687332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9697332Sjkh 9707332Sjkh mbx->count = 100; 9717332Sjkh for (i = 0; i < 20; i++) { 9727332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9737332Sjkh goto waitfor_param; 9747332Sjkh DELAY(100); 9757332Sjkh } 9767332Sjkh goto waitfor_param; 9777332Sjkh 9787332Sjkh case SCD_S_WAITPARAM: 9797332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITPARAM); 9807332Sjkh if (mbx->count-- <= 0) { 9817332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9827332Sjkh goto readerr; 9837332Sjkh } 9847332Sjkh 9857332Sjkhwaitfor_param: 9867332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 9877332Sjkh timeout((timeout_func_t)scd_doread, 9887332Sjkh (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9897332Sjkh return; 9907332Sjkh } 9917332Sjkh#if SCD_DEBUG 9927332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9937332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9947332Sjkh#endif 9957332Sjkh 9967332Sjkhgot_param: 9977332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 9987332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 9997332Sjkh case 0x50: 10007332Sjkh switch (i) { 10017332Sjkh case ERR_FATAL_READ_ERROR1: 10027332Sjkh case ERR_FATAL_READ_ERROR2: 10037332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 10047332Sjkh goto harderr; 10057332Sjkh } 10067332Sjkh break; 10077332Sjkh case 0x20: 10087332Sjkh i = inb(port+IREG_RESULT); 10097332Sjkh switch (i) { 10107332Sjkh case ERR_NOT_SPINNING: 10117332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10127332Sjkh if (mbx->retry-- > 0) { 10137332Sjkh state = SCD_S_BEGIN1; 10147332Sjkh cd->flags &= ~SCDSPINNING; 10157332Sjkh goto loop; 10167332Sjkh } 10177332Sjkh goto harderr; 10187332Sjkh default: 10197332Sjkh print_error(unit, i); 10207332Sjkh goto readerr; 10217332Sjkh } 10227332Sjkh case 0x00: 10237332Sjkh i = inb(port+IREG_RESULT); 10247332Sjkh break; 10257332Sjkh } 10267332Sjkh 10277332Sjkh if (--mbx->nblk > 0) { 10287332Sjkh mbx->skip += mbx->sz; 10297332Sjkh goto nextblock; 10307332Sjkh } 10317332Sjkh 10327332Sjkh /* return buffer */ 10337332Sjkh bp->b_resid = 0; 10347332Sjkh biodone(bp); 10357332Sjkh 10367332Sjkh cd->flags &= ~SCDMBXBSY; 10377332Sjkh scd_start(mbx->unit); 10387332Sjkh return; 10397332Sjkh } 10407332Sjkh 10417332Sjkhreaderr: 10427332Sjkh if (mbx->retry-- > 0) { 10437332Sjkh printf("scd%d: retrying ...\n",unit); 10447332Sjkh state = SCD_S_BEGIN1; 10457332Sjkh goto loop; 10467332Sjkh } 10477332Sjkhharderr: 10487332Sjkh /* invalidate the buffer */ 10497332Sjkh bp->b_error = EIO; 10507332Sjkh bp->b_flags |= B_ERROR; 10517332Sjkh bp->b_resid = bp->b_bcount; 10527332Sjkh biodone(bp); 10537332Sjkh 10547332Sjkh cd->flags &= ~SCDMBXBSY; 10557332Sjkh scd_start(mbx->unit); 10567332Sjkh return; 10577332Sjkh 10587332Sjkhchanged: 10597332Sjkh printf("scd%d: media changed\n", unit); 10607332Sjkh goto harderr; 10617332Sjkh} 10627332Sjkh 10637332Sjkhstatic int 10647332Sjkhbcd2bin(bcd_t b) 10657332Sjkh{ 10667332Sjkh return (b >> 4) * 10 + (b & 15); 10677332Sjkh} 10687332Sjkh 10697332Sjkhstatic bcd_t 10707332Sjkhbin2bcd(int b) 10717332Sjkh{ 10727332Sjkh return ((b / 10) << 4) | (b % 10); 10737332Sjkh} 10747332Sjkh 10757332Sjkhstatic void 10767332Sjkhhsg2msf(int hsg, bcd_t *msf) 10777332Sjkh{ 10787332Sjkh hsg += 150; 10797332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10807332Sjkh hsg %= 4500; 10817332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10827332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10837332Sjkh} 10847332Sjkh 10857332Sjkhstatic int 10867332Sjkhmsf2hsg(bcd_t *msf) 10877332Sjkh{ 10887332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10897332Sjkh bcd2bin(S_msf(msf))) * 75 + 10907332Sjkh bcd2bin(F_msf(msf)) - 150; 10917332Sjkh} 10927332Sjkh 10937332Sjkhstatic void 10947332Sjkhprocess_attention(unsigned unit) 10957332Sjkh{ 10967332Sjkh unsigned port = scd_data[unit].iobase; 10977332Sjkh unsigned char code; 10987332Sjkh int count = 0; 10997332Sjkh int i; 11007332Sjkh 11017332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 11027332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 11037332Sjkh code = inb(port+IREG_RESULT); 11047332Sjkh 11057332Sjkh#if SCD_DEBUG 11067332Sjkh if (scd_debuglevel > 0) { 11077332Sjkh if (count == 1) 11087332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 11097332Sjkh else 11107332Sjkh printf(",0x%x", code); 11117332Sjkh } 11127332Sjkh#endif 11137332Sjkh 11147332Sjkh switch (code) { 11157332Sjkh case ATTEN_SPIN_DOWN: 11167332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 11177332Sjkh break; 11187332Sjkh 11197332Sjkh case ATTEN_SPIN_UP_DONE: 11207332Sjkh scd_data[unit].flags |= SCDSPINNING; 11217332Sjkh break; 11227332Sjkh 11237332Sjkh case ATTEN_AUDIO_DONE: 11247332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11257332Sjkh break; 11267332Sjkh 11277332Sjkh case ATTEN_DRIVE_LOADED: 11287332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11297332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11307332Sjkh break; 11317332Sjkh 11327332Sjkh case ATTEN_EJECT_PUSHED: 11337332Sjkh scd_data[unit].flags &= ~SCDVALID; 11347332Sjkh break; 11357332Sjkh } 11367332Sjkh DELAY(100); 11377332Sjkh } 11387332Sjkh#if SCD_DEBUG 11397332Sjkh if (scd_debuglevel > 0 && count > 0) 11407332Sjkh printf("\n"); 11417332Sjkh#endif 11427332Sjkh} 11437332Sjkh 11447332Sjkh/* Returns 0 OR sony error code */ 11457332Sjkhstatic int 11467332Sjkhspin_up(unsigned unit) 11477332Sjkh{ 11487332Sjkh unsigned char res_reg[12]; 11497332Sjkh unsigned int res_size; 11507332Sjkh int rc; 11517332Sjkh int loop_count = 0; 11527332Sjkh 11537332Sjkhagain: 11547332Sjkh rc = send_cmd(unit, CMD_SPIN_UP, NULL, 0, res_reg, &res_size); 11557332Sjkh if (rc != 0) { 11567332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11577332Sjkh return rc; 11587332Sjkh } 11597332Sjkh 11607332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11617332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11627332Sjkh if (rc == ERR_NOT_SPINNING) { 11637332Sjkh if (loop_count++ < 3) 11647332Sjkh goto again; 11657332Sjkh return rc; 11667332Sjkh } 11677332Sjkh if (rc != 0) 11687332Sjkh return rc; 11697332Sjkh } 11707332Sjkh 11717332Sjkh scd_data[unit].flags |= SCDSPINNING; 11727332Sjkh 11737332Sjkh return 0; 11747332Sjkh} 11757332Sjkh 11767332Sjkhstatic struct sony_tracklist * 11777332Sjkhget_tl(struct sony_toc *toc, int size) 11787332Sjkh{ 11797332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11807332Sjkh 11817332Sjkh if (tl->track != 0xb0) 11827332Sjkh return tl; 11837332Sjkh (char *)tl += 9; 11847332Sjkh if (tl->track != 0xb1) 11857332Sjkh return tl; 11867332Sjkh (char *)tl += 9; 11877332Sjkh if (tl->track != 0xb2) 11887332Sjkh return tl; 11897332Sjkh (char *)tl += 9; 11907332Sjkh if (tl->track != 0xb3) 11917332Sjkh return tl; 11927332Sjkh (char *)tl += 9; 11937332Sjkh if (tl->track != 0xb4) 11947332Sjkh return tl; 11957332Sjkh (char *)tl += 9; 11967332Sjkh if (tl->track != 0xc0) 11977332Sjkh return tl; 11987332Sjkh (char *)tl += 9; 11997332Sjkh return tl; 12007332Sjkh} 12017332Sjkh 12027332Sjkhstatic int 12037332Sjkhread_toc(dev_t dev) 12047332Sjkh{ 12057332Sjkh unsigned unit; 12067332Sjkh struct scd_data *cd; 12077332Sjkh unsigned part = 0; /* For now ... */ 12087332Sjkh struct sony_toc toc; 12097332Sjkh struct sony_tracklist *tl; 12107332Sjkh int rc, i, j; 12117332Sjkh u_long first, last; 12127332Sjkh 12137332Sjkh unit = scd_unit(dev); 12147332Sjkh cd = scd_data + unit; 12157332Sjkh 12167332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 12177332Sjkh if (rc < 0) 12187332Sjkh return rc; 12197332Sjkh if (rc > sizeof(toc)) { 12207332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 12217332Sjkh return EIO; 12227332Sjkh } 12237332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12247332Sjkh return EIO; 12257332Sjkh 12267332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12277332Sjkh 12287332Sjkh tl = get_tl(&toc, rc); 12297332Sjkh first = msf2hsg(tl->start_msf); 12307332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12317332Sjkh cd->blksize = SCDBLKSIZE; 12327332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12337332Sjkh 12347332Sjkh XDEBUG(1, ("scd%d: firstsector = %d, lastsector = %d", unit, 12357332Sjkh first, last)); 12367332Sjkh 12377332Sjkh cd->first_track = bcd2bin(toc.first_track); 12387332Sjkh cd->last_track = bcd2bin(toc.last_track); 12397332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12407332Sjkh cd->last_track = MAX_TRACKS-2; 12417332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12427332Sjkh cd->toc[i].adr = tl[j].adr; 12437332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12447332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12457332Sjkh#ifdef SCD_DEBUG 12467332Sjkh if (scd_debuglevel > 0) { 12477332Sjkh if ((j % 3) == 0) 12487332Sjkh printf("\nscd%d: tracks ", unit); 12497332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12507332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12517332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12527332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12537332Sjkh } 12547332Sjkh#endif 12557332Sjkh } 12567332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12577332Sjkh#ifdef SCD_DEBUG 12587332Sjkh if (scd_debuglevel > 0) { 12597332Sjkh i = cd->last_track+1; 12607332Sjkh printf("[END: %2d %2d %2d]\n", 12617332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12627332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12637332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12647332Sjkh } 12657332Sjkh#endif 12667332Sjkh 12677332Sjkh bzero(&cd->dlabel,sizeof(struct disklabel)); 12687332Sjkh /* filled with spaces first */ 12697332Sjkh strncpy(cd->dlabel.d_typename," ", 12707332Sjkh sizeof(cd->dlabel.d_typename)); 12717332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12727332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12737332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12747332Sjkh sizeof(cd->dlabel.d_packname)); 12757332Sjkh cd->dlabel.d_secsize = cd->blksize; 12767332Sjkh cd->dlabel.d_nsectors = 100; 12777332Sjkh cd->dlabel.d_ntracks = 1; 12787332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12797332Sjkh cd->dlabel.d_secpercyl = 100; 12807332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12817332Sjkh cd->dlabel.d_rpm = 300; 12827332Sjkh cd->dlabel.d_interleave = 1; 12837332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12847332Sjkh cd->dlabel.d_npartitions= 1; 12857332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12867332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12877332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12887332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12897332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12907332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12917332Sjkh 12927332Sjkh cd->flags |= SCDTOC; 12937332Sjkh 12947332Sjkh return 0; 12957332Sjkh} 12967332Sjkh 12977332Sjkhstatic inline void 12987332Sjkhwrite_control(unsigned port, unsigned data) 12997332Sjkh{ 13007332Sjkh outb(port + OREG_CONTROL, data); 13017332Sjkh} 13027332Sjkh 13037332Sjkhstatic void 13047332Sjkhinit_drive(unsigned unit) 13057332Sjkh{ 13067332Sjkh int rc; 13077332Sjkh 13087332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 13097332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 13107332Sjkh if (rc != 0) 13117332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 13127332Sjkh} 13137332Sjkh 13147332Sjkh/* Returns 0 or errno */ 13157332Sjkhstatic int 13167332Sjkhget_result(u_int unit, int result_len, u_char *result) 13177332Sjkh{ 13187332Sjkh unsigned int port = scd_data[unit].iobase; 13197332Sjkh unsigned int res_reg = port + IREG_RESULT; 13207332Sjkh unsigned char c; 13217332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 13227332Sjkh 13237332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 13247332Sjkh 13257332Sjkh while (result_len-- > 0) { 13267332Sjkh if (loop_index++ >= 10) { 13277332Sjkh loop_index = 1; 13287332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 13297332Sjkh return EIO; 13307332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13317332Sjkh } 13327332Sjkh if (result) 13337332Sjkh *result++ = inb(res_reg); 13347332Sjkh else 13357332Sjkh (void)inb(res_reg); 13367332Sjkh } 13377332Sjkh return 0; 13387332Sjkh} 13397332Sjkh 13407332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13417332Sjkhstatic int 13427332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13437332Sjkh{ 13447332Sjkh va_list ap; 13457332Sjkh u_int port = scd_data[unit].iobase; 13467332Sjkh u_int reg; 13477332Sjkh u_char c; 13487332Sjkh int rc; 13497332Sjkh int i; 13507332Sjkh 13517332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13527332Sjkh printf("scd%d: drive busy\n", unit); 13537332Sjkh return -0x100; 13547332Sjkh } 13557332Sjkh 13567332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13577332Sjkh 13587332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13597332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13607332Sjkh 13617332Sjkh for (i = 0; i < 100; i++) 13627332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13637332Sjkh break; 13647332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13657332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13667332Sjkh return -EIO; 13677332Sjkh } 13687332Sjkh 13697332Sjkh va_start(ap, nargs); 13707332Sjkh reg = port + OREG_WPARAMS; 13717332Sjkh for (i = 0; i < nargs; i++) { 13727332Sjkh c = (u_char)va_arg(ap, int); 13737332Sjkh outb(reg, c); 13747332Sjkh XDEBUG(1, (",{0x%x}", c)); 13757332Sjkh } 13767332Sjkh va_end(ap); 13777332Sjkh XDEBUG(1, ("\n")); 13787332Sjkh 13797332Sjkh outb(port+OREG_COMMAND, cmd); 13807332Sjkh 13817332Sjkh if (rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY)) 13827332Sjkh return -0x100; 13837332Sjkh 13847332Sjkh reg = port + IREG_RESULT; 13857332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13867332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13877332Sjkh case 0x20: 13887332Sjkh rc = inb(reg); 13897332Sjkh /* FALL TROUGH */ 13907332Sjkh case 0x50: 13917332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13927332Sjkh return -rc; 13937332Sjkh case 0x00: 13947332Sjkh default: 13957332Sjkh rc = inb(reg); 13967332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13977332Sjkh return rc; 13987332Sjkh } 13997332Sjkh} 14007332Sjkh 14017332Sjkhstatic void 14027332Sjkhprint_error(int unit, int errcode) 14037332Sjkh{ 14047332Sjkh switch (errcode) { 14057332Sjkh case -ERR_CD_NOT_LOADED: 14067332Sjkh printf("scd%d: door is open\n", unit); 14077332Sjkh break; 14087332Sjkh case -ERR_NO_CD_INSIDE: 14097332Sjkh printf("scd%d: no cd inside\n", unit); 14107332Sjkh break; 14117332Sjkh default: 14127332Sjkh if (errcode == -0x100 || errcode > 0) 14137332Sjkh printf("scd%d: device timeout\n", unit); 14147332Sjkh else 14157332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 14167332Sjkh break; 14177332Sjkh } 14187332Sjkh} 14197332Sjkh 14207332Sjkh/* Returns 0 or errno value */ 14217332Sjkhstatic int 14227332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 14237332Sjkh{ 14247332Sjkh u_int port = scd_data[unit].iobase; 14257332Sjkh u_int flags = scd_data[unit].flags; 14267332Sjkh u_int reg = port + IREG_STATUS; 14277332Sjkh u_int max_loop; 14287332Sjkh u_char c = 0; 14297332Sjkh 14307332Sjkh if (flags & SCDPROBING) { 14317332Sjkh max_loop = 0; 14327332Sjkh while (max_loop++ < 1000) { 14337332Sjkh c = inb(reg); 14347332Sjkh if (c == 0xff) 14357332Sjkh return EIO; 14367332Sjkh if (c & SBIT_ATTENTION) { 14377332Sjkh process_attention(unit); 14387332Sjkh continue; 14397332Sjkh } 14407332Sjkh if ((c & bits_set) == bits_set && 14417332Sjkh (c & bits_clear) == 0) 14427332Sjkh { 14437332Sjkh break; 14447332Sjkh } 14457332Sjkh DELAY(10000); 14467332Sjkh } 14477332Sjkh } else { 14487332Sjkh max_loop = 100; 14497332Sjkh while (max_loop-- > 0) { 14507332Sjkh c = inb(reg); 14517332Sjkh if (c & SBIT_ATTENTION) { 14527332Sjkh process_attention(unit); 14537332Sjkh continue; 14547332Sjkh } 14557332Sjkh if ((c & bits_set) == bits_set && 14567332Sjkh (c & bits_clear) == 0) 14577332Sjkh { 14587332Sjkh break; 14597332Sjkh } 14607332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14617332Sjkh } 14627332Sjkh } 14637332Sjkh if ((c & bits_set) == bits_set && 14647332Sjkh (c & bits_clear) == 0) 14657332Sjkh { 14667332Sjkh return 0; 14677332Sjkh } 14687332Sjkh#ifdef SCD_DEBUG 14697332Sjkh if (scd_debuglevel > 0) 14707332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14717332Sjkh else 14727332Sjkh#endif 14737332Sjkh printf("scd%d: timeout.\n", unit); 14747332Sjkh return EIO; 14757332Sjkh} 14767332Sjkh 14777332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14787332Sjkhstatic int 14797332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14807332Sjkh{ 14817332Sjkh struct scd_data *cd = scd_data + unit; 14827332Sjkh int rc; 14837332Sjkh 14847332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14857332Sjkh print_error(unit, rc); 14867332Sjkh return EIO; 14877332Sjkh } 14887332Sjkh 14897332Sjkh th->starting_track = cd->first_track; 14907332Sjkh th->ending_track = cd->last_track; 14917332Sjkh th->len = 0; /* not used */ 14927332Sjkh 14937332Sjkh return 0; 14947332Sjkh} 14957332Sjkh 14967332Sjkhstatic int 14977332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14987332Sjkh{ 14997332Sjkh struct scd_data *cd = scd_data + unit; 15007332Sjkh struct cd_toc_entry toc_entry; 15017332Sjkh int rc, i, len = te->data_len; 15027332Sjkh 15037332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 15047332Sjkh print_error(unit, rc); 15057332Sjkh return EIO; 15067332Sjkh } 15077332Sjkh 15087332Sjkh /* find the toc to copy*/ 15097332Sjkh i = te->starting_track; 15107332Sjkh if (i == SCD_LASTPLUS1) 15117332Sjkh i = cd->last_track + 1; 15127332Sjkh 15137332Sjkh /* verify starting track */ 15147332Sjkh if (i < cd->first_track || i > cd->last_track+1) 15157332Sjkh return EINVAL; 15167332Sjkh 15177332Sjkh /* valid length ? */ 15187332Sjkh if (len < sizeof(struct cd_toc_entry) 15197332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 15207332Sjkh return EINVAL; 15217332Sjkh 15227332Sjkh /* copy the toc data */ 15237332Sjkh toc_entry.control = cd->toc[i].ctl; 15247332Sjkh toc_entry.addr_type = te->address_format; 15257332Sjkh toc_entry.track = i; 15267332Sjkh if (te->address_format == CD_MSF_FORMAT) { 15277332Sjkh toc_entry.addr.msf.unused = 0; 15287332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15297332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15307332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15317332Sjkh } 15327332Sjkh 15337332Sjkh /* copy the data back */ 15347332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15357332Sjkh return EFAULT; 15367332Sjkh 15377332Sjkh return 0; 15387332Sjkh} 15397332Sjkh 15407332Sjkh#endif /* NSCD > 0 */ 1541