scd.c revision 12517
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 4412517Sjulian/* $Id: scd.c,v 1.10 1995/11/28 09:41:36 julian 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 7512502Sjulian#ifdef JREMOD 7612517Sjulian#include <sys/kernel.h> 7712517Sjulian#ifdef DEVFS 7812517Sjulian#include <sys/devfsext.h> 7912517Sjulian#endif /*DEVFS*/ 8012502Sjulian#define CDEV_MAJOR 45 8112502Sjulian#define BDEV_MAJOR 16 8212502Sjulian#endif /*JREMOD */ 8312502Sjulian 847332Sjkh#define scd_part(dev) ((minor(dev)) & 7) 857332Sjkh#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) 867332Sjkh#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) 877332Sjkh#define RAW_PART 2 887332Sjkh 897332Sjkh/* flags */ 907332Sjkh#define SCDOPEN 0x0001 /* device opened */ 917332Sjkh#define SCDVALID 0x0002 /* parameters loaded */ 927332Sjkh#define SCDINIT 0x0004 /* device is init'd */ 937332Sjkh#define SCDPROBING 0x0020 /* probing */ 947332Sjkh#define SCDTOC 0x0100 /* already read toc */ 957332Sjkh#define SCDMBXBSY 0x0200 /* local mbx is busy */ 967332Sjkh#define SCDSPINNING 0x0400 /* drive is spun up */ 977332Sjkh 987332Sjkh#define SCD_S_BEGIN 0 997332Sjkh#define SCD_S_BEGIN1 1 1007332Sjkh#define SCD_S_WAITSTAT 2 1017332Sjkh#define SCD_S_WAITFIFO 3 1027332Sjkh#define SCD_S_WAITSPIN 4 1037332Sjkh#define SCD_S_WAITREAD 5 1047332Sjkh#define SCD_S_WAITPARAM 6 1057332Sjkh 1067332Sjkh#define RDELAY_WAIT 300 1077332Sjkh#define RDELAY_WAITREAD 300 1087332Sjkh 1097332Sjkh#define SCDBLKSIZE 2048 1107332Sjkh 1117332Sjkh#ifdef SCD_DEBUG 11211872Sphk static int scd_debuglevel = SCD_DEBUG; 1137332Sjkh# define XDEBUG(level, data) {if (scd_debuglevel >= level) printf data;} 1147332Sjkh#else 1157332Sjkh# define XDEBUG(level, data) 1167332Sjkh#endif 1177332Sjkh 1187332Sjkhstruct scd_mbx { 1197332Sjkh short unit; 1207332Sjkh short port; 1217332Sjkh short retry; 1227332Sjkh short nblk; 1237332Sjkh int sz; 1247332Sjkh u_long skip; 1257332Sjkh struct buf *bp; 1267332Sjkh int p_offset; 1277332Sjkh short count; 1287332Sjkh}; 1297332Sjkh 13011872Sphkstatic struct scd_data { 1317332Sjkh int iobase; 1327332Sjkh char double_speed; 1337332Sjkh char *name; 1347332Sjkh short flags; 1357332Sjkh int blksize; 1367332Sjkh u_long disksize; 1377332Sjkh struct disklabel dlabel; 1387332Sjkh int openflag; 1397332Sjkh struct { 1407332Sjkh unsigned char adr :4; 1417332Sjkh unsigned char ctl :4; /* xcdplayer needs this */ 1427332Sjkh unsigned char start_msf[3]; 1437332Sjkh } toc[MAX_TRACKS]; 1447332Sjkh short first_track; 1457332Sjkh short last_track; 1467332Sjkh struct ioc_play_msf last_play; 1478876Srgrimes 1487332Sjkh short audio_status; 1497332Sjkh struct buf head; /* head of buf queue */ 1507332Sjkh struct scd_mbx mbx; 1517332Sjkh} scd_data[NSCD]; 1527332Sjkh 1537332Sjkh/* prototypes */ 1547332Sjkhstatic int bcd2bin(bcd_t b); 1557332Sjkhstatic bcd_t bin2bcd(int b); 1567332Sjkhstatic void hsg2msf(int hsg, bcd_t *msf); 1577332Sjkhstatic int msf2hsg(bcd_t *msf); 1587332Sjkh 1597332Sjkhstatic void process_attention(unsigned unit); 1607332Sjkhstatic inline void write_control(unsigned port, unsigned data); 1617332Sjkhstatic int waitfor_status_bits(int unit, int bits_set, int bits_clear); 1627332Sjkhstatic int send_cmd(u_int unit, u_char cmd, u_int nargs, ...); 1637332Sjkhstatic void init_drive(unsigned unit); 1647332Sjkhstatic int spin_up(unsigned unit); 1657332Sjkhstatic int read_toc(dev_t dev); 1667332Sjkhstatic int get_result(u_int unit, int result_len, u_char *result); 1677332Sjkhstatic void print_error(int unit, int errcode); 1687332Sjkh 1697332Sjkhstatic void scd_start(int unit); 1707332Sjkhstatic void scd_doread(int state, struct scd_mbx *mbxin); 1717332Sjkh 1727332Sjkhstatic int scd_eject(int unit); 1737332Sjkhstatic int scd_stop(int unit); 1747332Sjkhstatic int scd_pause(int unit); 1757332Sjkhstatic int scd_resume(int unit); 1767332Sjkhstatic int scd_playtracks(int unit, struct ioc_play_track *pt); 1777332Sjkhstatic int scd_playmsf(int unit, struct ioc_play_msf *msf); 1787332Sjkhstatic int scd_play(int unit, struct ioc_play_msf *msf); 1797332Sjkhstatic int scd_subchan(int unit, struct ioc_read_subchannel *sc); 1807332Sjkhstatic int read_subcode(int unit, struct sony_subchannel_position_data *sc); 1817332Sjkh 1827332Sjkh/* for xcdplayer */ 1837332Sjkhstatic int scd_toc_header(int unit, struct ioc_toc_header *th); 1847332Sjkhstatic int scd_toc_entrys(int unit, struct ioc_read_toc_entry *te); 1857332Sjkh#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 1867332Sjkh 1877332Sjkhextern int hz; 1887332Sjkh 18911872Sphkstatic int scd_probe(struct isa_device *dev); 19011872Sphkstatic int scd_attach(struct isa_device *dev); 1917332Sjkhstruct isa_driver scddriver = { scd_probe, scd_attach, "scd" }; 1927332Sjkh 1937332Sjkhstatic struct kern_devconf kdc_scd[NSCD] = { { 1947332Sjkh 0, 0, 0, /* filled in by dev_attach */ 1957332Sjkh "scd", 0, { MDDT_ISA, 0, "bio" }, 1967332Sjkh isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 1977332Sjkh &kdc_isa0, /* parent */ 1987332Sjkh 0, /* parentdata */ 1997780Swollman DC_UNCONFIGURED, /* status */ 2007780Swollman "Sony CD-ROM drive", /* properly filled later */ 2017780Swollman DC_CLS_RDISK /* class */ 2027332Sjkh} }; 2037332Sjkh 2047332Sjkhstatic inline void 2057332Sjkhscd_registerdev(struct isa_device *id) 2067332Sjkh{ 2077332Sjkh if(id->id_unit) 2087332Sjkh kdc_scd[id->id_unit] = kdc_scd[0]; 2097332Sjkh kdc_scd[id->id_unit].kdc_unit = id->id_unit; 2107332Sjkh kdc_scd[id->id_unit].kdc_isa = id; 2117332Sjkh dev_attach(&kdc_scd[id->id_unit]); 2127332Sjkh} 2137332Sjkh 2147332Sjkhint scd_attach(struct isa_device *dev) 2157332Sjkh{ 2167332Sjkh struct scd_data *cd = scd_data + dev->id_unit; 2178876Srgrimes 2187332Sjkh cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ 2197332Sjkh 2207780Swollman kdc_scd[dev->id_unit].kdc_state = DC_IDLE; 2217332Sjkh /* name filled in probe */ 2227332Sjkh kdc_scd[dev->id_unit].kdc_description = scd_data[dev->id_unit].name; 2237332Sjkh printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); 2247332Sjkh 2257332Sjkh init_drive(dev->id_unit); 2267332Sjkh 2277332Sjkh cd->flags = SCDINIT; 2287332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 2297332Sjkh 2307332Sjkh return 1; 2317332Sjkh} 2327332Sjkh 2337332Sjkhint 23410624Sbdescdopen(dev_t dev, int flags, int fmt, struct proc *p) 2357332Sjkh{ 2367332Sjkh int unit,part,phys; 2377332Sjkh int rc; 2387332Sjkh struct scd_data *cd; 2398876Srgrimes 2407332Sjkh unit = scd_unit(dev); 2417332Sjkh if (unit >= NSCD) 2427332Sjkh return ENXIO; 2437332Sjkh 2447332Sjkh cd = scd_data + unit; 2457332Sjkh part = scd_part(dev); 2467332Sjkh phys = scd_phys(dev); 2478876Srgrimes 2487332Sjkh /* not initialized*/ 2497332Sjkh if (!(cd->flags & SCDINIT)) 2507332Sjkh return ENXIO; 2517332Sjkh 2527332Sjkh /* invalidated in the meantime? mark all open part's invalid */ 2537332Sjkh if (cd->openflag) 2547332Sjkh return ENXIO; 2557332Sjkh 2567332Sjkh XDEBUG(1,("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+IREG_STATUS))); 2577332Sjkh 2587332Sjkh if ((rc = spin_up(unit)) != 0) { 2597332Sjkh print_error(unit, rc); 2607332Sjkh return EIO; 2617332Sjkh } 2627332Sjkh if (!(cd->flags & SCDTOC)) { 2637332Sjkh int loop_count = 3; 2647332Sjkh 2657332Sjkh while (loop_count-- > 0 && (rc = read_toc(dev)) != 0) { 2667332Sjkh if (rc == ERR_NOT_SPINNING) { 2677332Sjkh rc = spin_up(unit); 2687332Sjkh if (rc) { 2697332Sjkh print_error(unit, rc);\ 2707332Sjkh return EIO; 2717332Sjkh } 2727332Sjkh continue; 2737332Sjkh } 2747332Sjkh printf("scd%d: TOC read error 0x%x\n", unit, rc); 2757332Sjkh return EIO; 2767332Sjkh } 2777332Sjkh } 2787332Sjkh 2797332Sjkh cd->openflag = 1; 2807332Sjkh cd->flags |= SCDVALID; 2817332Sjkh kdc_scd[unit].kdc_state = DC_BUSY; 2827332Sjkh 2837332Sjkh return 0; 2847332Sjkh} 2857332Sjkh 2867332Sjkhint 28710624Sbdescdclose(dev_t dev, int flags, int fmt, struct proc *p) 2887332Sjkh{ 2897332Sjkh int unit,part,phys; 2907332Sjkh struct scd_data *cd; 2918876Srgrimes 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); 2998876Srgrimes 3008876Srgrimes 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)) { 3298376Srgrimes printf("scd%d: strategy failure: blkno = %ld, bcount = %ld\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 } 3488876Srgrimes 3497332Sjkh /* no data to read */ 3507332Sjkh if (bp->b_bcount == 0) 3517332Sjkh goto done; 3528876Srgrimes 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; 3638876Srgrimes 3647332Sjkh /* queue it */ 3657332Sjkh qp = &cd->head; 3667332Sjkh s = splbio(); 3677332Sjkh disksort(qp,bp); 3687332Sjkh splx(s); 3698876Srgrimes 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 register s = splbio(); 3898876Srgrimes 3907332Sjkh if (cd->flags & SCDMBXBSY) { 3917332Sjkh splx(s); 3927332Sjkh return; 3937332Sjkh } 3947332Sjkh 3957332Sjkh if ((bp = qp->b_actf) != 0) { 3967332Sjkh /* block found to process, dequeue */ 3977332Sjkh qp->b_actf = bp->b_actf; 3987332Sjkh cd->flags |= SCDMBXBSY; 3997332Sjkh splx(s); 4007332Sjkh } else { 4017332Sjkh /* nothing to do */ 4027332Sjkh splx(s); 4037332Sjkh return; 4047332Sjkh } 4057332Sjkh 4067332Sjkh p = cd->dlabel.d_partitions + scd_part(bp->b_dev); 4077332Sjkh 4087332Sjkh cd->mbx.unit = unit; 4097332Sjkh cd->mbx.port = cd->iobase; 4107332Sjkh cd->mbx.retry = 3; 4117332Sjkh cd->mbx.bp = bp; 4127332Sjkh cd->mbx.p_offset = p->p_offset; 4137332Sjkh splx(s); 4147332Sjkh 4157332Sjkh scd_doread(SCD_S_BEGIN,&(cd->mbx)); 4167332Sjkh return; 4177332Sjkh} 4187332Sjkh 4197332Sjkhint 42010624Sbdescdioctl(dev_t dev, int cmd, caddr_t addr, int flags, struct proc *p) 4217332Sjkh{ 4227332Sjkh struct scd_data *cd; 4237332Sjkh int unit,part; 4248876Srgrimes 4257332Sjkh unit = scd_unit(dev); 4267332Sjkh part = scd_part(dev); 4277332Sjkh cd = scd_data + unit; 4287332Sjkh 4298376Srgrimes XDEBUG(1, ("scd%d: ioctl: cmd=0x%x\n", unit, cmd)); 4307332Sjkh 4317332Sjkh if (!(cd->flags & SCDVALID)) 4327332Sjkh return EIO; 4337332Sjkh 4347332Sjkh switch (cmd) { 4357332Sjkh case DIOCSBAD: 4367332Sjkh return EINVAL; 4377332Sjkh case DIOCGDINFO: 4387332Sjkh *(struct disklabel *)addr = cd->dlabel; 4397332Sjkh return 0; 4407332Sjkh case DIOCGPART: 4417332Sjkh ((struct partinfo *)addr)->disklab = &cd->dlabel; 4427332Sjkh ((struct partinfo *)addr)->part = 4437332Sjkh &cd->dlabel.d_partitions[0]; 4447332Sjkh return 0; 4457332Sjkh case CDIOCPLAYTRACKS: 4467332Sjkh return scd_playtracks(unit, (struct ioc_play_track *) addr); 4477332Sjkh case CDIOCPLAYBLOCKS: 4487332Sjkh return EINVAL; 4497332Sjkh case CDIOCPLAYMSF: 4507332Sjkh return scd_playmsf(unit, (struct ioc_play_msf *) addr); 4517332Sjkh case CDIOCREADSUBCHANNEL: 4527332Sjkh return scd_subchan(unit, (struct ioc_read_subchannel *) addr); 4537332Sjkh case CDIOREADTOCHEADER: 4547332Sjkh return scd_toc_header (unit, (struct ioc_toc_header *) addr); 4557332Sjkh case CDIOREADTOCENTRYS: 4567332Sjkh return scd_toc_entrys (unit, (struct ioc_read_toc_entry*) addr); 4577332Sjkh case CDIOCSETPATCH: 4587332Sjkh case CDIOCGETVOL: 4597332Sjkh case CDIOCSETVOL: 4607332Sjkh case CDIOCSETMONO: 4617332Sjkh case CDIOCSETSTERIO: 4627332Sjkh case CDIOCSETMUTE: 4637332Sjkh case CDIOCSETLEFT: 4647332Sjkh case CDIOCSETRIGHT: 4657332Sjkh return EINVAL; 4667332Sjkh case CDIOCRESUME: 4677332Sjkh return scd_resume(unit); 4687332Sjkh case CDIOCPAUSE: 4697332Sjkh return scd_pause(unit); 4707332Sjkh case CDIOCSTART: 4717332Sjkh return EINVAL; 4727332Sjkh case CDIOCSTOP: 4737332Sjkh return scd_stop(unit); 4747332Sjkh case CDIOCEJECT: 4757332Sjkh return scd_eject(unit); 4767332Sjkh case CDIOCALLOW: 4777332Sjkh return 0; 4787332Sjkh case CDIOCSETDEBUG: 4797332Sjkh#ifdef SCD_DEBUG 4807332Sjkh scd_debuglevel++; 4817332Sjkh#endif 4827332Sjkh return 0; 4837332Sjkh case CDIOCCLRDEBUG: 4847332Sjkh#ifdef SCD_DEBUG 4857332Sjkh scd_debuglevel = 0; 4867332Sjkh 4877332Sjkh#endif 4887332Sjkh return 0; 4897332Sjkh default: 4908376Srgrimes printf("scd%d: unsupported ioctl (cmd=0x%x)\n", unit, cmd); 4917332Sjkh return ENOTTY; 4927332Sjkh } 4937332Sjkh} 4947332Sjkh 4957332Sjkhint 4967332Sjkhscdsize(dev_t dev) 4977332Sjkh{ 4987332Sjkh return -1; 4997332Sjkh} 5007332Sjkh 5017332Sjkh/*************************************************************** 5027332Sjkh * lower level of driver starts here 5037332Sjkh **************************************************************/ 5047332Sjkh 5057332Sjkhstatic int 5067332Sjkhscd_playtracks(int unit, struct ioc_play_track *pt) 5077332Sjkh{ 5087332Sjkh struct scd_data *cd = scd_data + unit; 5097332Sjkh struct ioc_play_msf msf; 5107332Sjkh int a = pt->start_track; 5117332Sjkh int z = pt->end_track; 51211872Sphk int rc; 5137332Sjkh 5147332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 5157332Sjkh if (rc == -ERR_NOT_SPINNING) { 5167332Sjkh if (spin_up(unit) != 0) 5177332Sjkh return EIO; 5187332Sjkh rc = read_toc(unit); 5197332Sjkh } 5207332Sjkh if (rc != 0) { 5217332Sjkh print_error(unit, rc); 5227332Sjkh return EIO; 5237332Sjkh } 5247332Sjkh } 5257332Sjkh 5267332Sjkh XDEBUG(1, ("scd%d: playtracks from %d:%d to %d:%d\n", unit, 5277332Sjkh a, pt->start_index, z, pt->end_index)); 5287332Sjkh 5297332Sjkh if ( a < cd->first_track 5307332Sjkh || a > cd->last_track 5317332Sjkh || a > z 5327332Sjkh || z > cd->last_track) 5337332Sjkh return EINVAL; 5347332Sjkh 5357332Sjkh bcopy(cd->toc[a].start_msf, &msf.start_m, 3); 5367332Sjkh hsg2msf(msf2hsg(cd->toc[z+1].start_msf)-1, &msf.end_m); 5377332Sjkh 5387332Sjkh return scd_play(unit, &msf); 5397332Sjkh} 5407332Sjkh 5417332Sjkh/* The start/end msf is expected to be in bin format */ 5427332Sjkhstatic int 5437332Sjkhscd_playmsf(int unit, struct ioc_play_msf *msfin) 5447332Sjkh{ 5457332Sjkh struct ioc_play_msf msf; 5467332Sjkh 5477332Sjkh msf.start_m = bin2bcd(msfin->start_m); 5487332Sjkh msf.start_s = bin2bcd(msfin->start_s); 5497332Sjkh msf.start_f = bin2bcd(msfin->start_f); 5507332Sjkh msf.end_m = bin2bcd(msfin->end_m); 5517332Sjkh msf.end_s = bin2bcd(msfin->end_s); 5527332Sjkh msf.end_f = bin2bcd(msfin->end_f); 5537332Sjkh 5547332Sjkh return scd_play(unit, &msf); 5557332Sjkh} 5567332Sjkh 5577332Sjkh/* The start/end msf is expected to be in bcd format */ 5587332Sjkhstatic int 5597332Sjkhscd_play(int unit, struct ioc_play_msf *msf) 5607332Sjkh{ 5617332Sjkh struct scd_data *cd = scd_data + unit; 5627332Sjkh int i, rc; 5637332Sjkh 5647332Sjkh XDEBUG(1, ("scd%d: playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", unit, 5657332Sjkh msf->start_m, msf->start_s, msf->start_f, 5667332Sjkh msf->end_m, msf->end_s, msf->end_f)); 5677332Sjkh 5687332Sjkh for (i = 0; i < 2; i++) { 5697332Sjkh rc = send_cmd(unit, CMD_PLAY_AUDIO, 7, 5707332Sjkh 0x03, 5717332Sjkh msf->start_m, msf->start_s, msf->start_f, 5727332Sjkh msf->end_m, msf->end_s, msf->end_f); 5737332Sjkh if (rc == -ERR_NOT_SPINNING) { 5747332Sjkh cd->flags &= ~SCDSPINNING; 5757332Sjkh if (spin_up(unit) != 0) 5767332Sjkh return EIO; 5777332Sjkh } else if (rc < 0) { 5787332Sjkh print_error(unit, rc); 5797332Sjkh return EIO; 5807332Sjkh } else { 5817332Sjkh break; 5827332Sjkh } 5837332Sjkh } 5847332Sjkh cd->audio_status = CD_AS_PLAY_IN_PROGRESS; 5857332Sjkh bcopy((char *)msf, (char *)&cd->last_play, sizeof(struct ioc_play_msf)); 5867332Sjkh return 0; 5877332Sjkh} 5887332Sjkh 5897332Sjkhstatic int 5907332Sjkhscd_stop(int unit) 5917332Sjkh{ 5927332Sjkh struct scd_data *cd = scd_data + unit; 5937332Sjkh 5947332Sjkh (void)send_cmd(unit, CMD_STOP_AUDIO, 0); 5957332Sjkh cd->audio_status = CD_AS_PLAY_COMPLETED; 5967332Sjkh return 0; 5977332Sjkh} 5987332Sjkh 5997332Sjkhstatic int 6007332Sjkhscd_pause(int unit) 6017332Sjkh{ 6027332Sjkh struct scd_data *cd = scd_data + unit; 6037332Sjkh struct sony_subchannel_position_data subpos; 6047332Sjkh 6057332Sjkh if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) 6067332Sjkh return EINVAL; 6077332Sjkh 6087332Sjkh if (read_subcode(unit, &subpos) != 0) 6097332Sjkh return EIO; 6107332Sjkh 6117332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0) 6127332Sjkh return EIO; 6138876Srgrimes 6147332Sjkh cd->last_play.start_m = subpos.abs_msf[0]; 6157332Sjkh cd->last_play.start_s = subpos.abs_msf[1]; 6167332Sjkh cd->last_play.start_f = subpos.abs_msf[2]; 6177332Sjkh cd->audio_status = CD_AS_PLAY_PAUSED; 6187332Sjkh 6197332Sjkh XDEBUG(1, ("scd%d: pause @ %02x:%02x:%02x\n", unit, 6207332Sjkh cd->last_play.start_m, 6217332Sjkh cd->last_play.start_s, 6227332Sjkh cd->last_play.start_f)); 6237332Sjkh 6247332Sjkh return 0; 6257332Sjkh} 6267332Sjkh 6277332Sjkhstatic int 6287332Sjkhscd_resume(int unit) 6297332Sjkh{ 6307332Sjkh if (scd_data[unit].audio_status != CD_AS_PLAY_PAUSED) 6317332Sjkh return EINVAL; 6327332Sjkh return scd_play(unit, &scd_data[unit].last_play); 6337332Sjkh} 6347332Sjkh 6357332Sjkhstatic int 6367332Sjkhscd_eject(int unit) 6377332Sjkh{ 6387332Sjkh struct scd_data *cd = scd_data + unit; 6397332Sjkh 6407332Sjkh cd->audio_status = CD_AS_AUDIO_INVALID; 6417332Sjkh cd->flags &= ~(SCDSPINNING|SCDTOC); 6427332Sjkh 6437332Sjkh if (send_cmd(unit, CMD_STOP_AUDIO, 0) != 0 || 6447332Sjkh send_cmd(unit, CMD_SPIN_DOWN, 0) != 0 || 6457332Sjkh send_cmd(unit, CMD_EJECT, 0) != 0) 6467332Sjkh { 6477332Sjkh return EIO; 6487332Sjkh } 6497332Sjkh return 0; 6507332Sjkh} 6517332Sjkh 6527332Sjkhstatic int 6537332Sjkhscd_subchan(int unit, struct ioc_read_subchannel *sc) 6547332Sjkh{ 6557332Sjkh struct scd_data *cd = scd_data + unit; 6567332Sjkh struct sony_subchannel_position_data q; 6577332Sjkh struct cd_sub_channel_info data; 6587332Sjkh 6597332Sjkh XDEBUG(1, ("scd%d: subchan af=%d, df=%d\n", unit, 6607332Sjkh sc->address_format, 6617332Sjkh sc->data_format)); 6627332Sjkh 6637332Sjkh if (sc->address_format != CD_MSF_FORMAT) 6647332Sjkh return EINVAL; 6657332Sjkh 6667332Sjkh if (sc->data_format != CD_CURRENT_POSITION) 6677332Sjkh return EINVAL; 6687332Sjkh 6697332Sjkh if (read_subcode(unit, &q) != 0) 6707332Sjkh return EIO; 6717332Sjkh 6727332Sjkh data.header.audio_status = cd->audio_status; 6737332Sjkh data.what.position.data_format = CD_MSF_FORMAT; 6747332Sjkh data.what.position.track_number = bcd2bin(q.track_number); 6757332Sjkh data.what.position.reladdr.msf.unused = 0; 6767332Sjkh data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 6777332Sjkh data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 6787332Sjkh data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 6797332Sjkh data.what.position.absaddr.msf.unused = 0; 6807332Sjkh data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 6817332Sjkh data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 6827332Sjkh data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 6837332Sjkh 6847332Sjkh if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) 6857332Sjkh return EFAULT; 6867332Sjkh return 0; 6877332Sjkh} 6887332Sjkh 6897332Sjkhint 6907332Sjkhscd_probe(struct isa_device *dev) 6917332Sjkh{ 6927332Sjkh struct sony_drive_configuration drive_config; 6937332Sjkh int unit = dev->id_unit; 6947332Sjkh int rc; 6957332Sjkh static char namebuf[8+16+8+3]; 6967332Sjkh char *s = namebuf; 6977332Sjkh int loop_count = 0; 6987332Sjkh 6997332Sjkh scd_data[unit].flags = SCDPROBING; 7007332Sjkh scd_data[unit].iobase = dev->id_iobase; 7017332Sjkh 7027332Sjkh bzero(&drive_config, sizeof(drive_config)); 7037332Sjkh 7047780Swollman scd_registerdev(dev); 7057780Swollman 7067332Sjkhagain: 7077332Sjkh /* Reset drive */ 7087332Sjkh write_control(dev->id_iobase, CBIT_RESET_DRIVE); 7097332Sjkh 7107332Sjkh /* Calm down */ 7117332Sjkh DELAY(300000); 7127332Sjkh 7137332Sjkh /* Only the ATTENTION bit may be set */ 7147332Sjkh if ((inb(dev->id_iobase+IREG_STATUS) & ~1) != 0) { 7157332Sjkh XDEBUG(1, ("scd: too many bits set. probe failed.\n")); 7167332Sjkh return 0; 7177332Sjkh } 7187332Sjkh rc = send_cmd(unit, CMD_GET_DRIVE_CONFIG, 0); 7197332Sjkh if (rc != sizeof(drive_config)) { 7207332Sjkh /* Sometimes if the drive is playing audio I get */ 7217332Sjkh /* the bad result 82. Fix by repeating the reset */ 7227332Sjkh if (rc > 0 && loop_count++ == 0) 7237332Sjkh goto again; 7247332Sjkh return 0; 7257332Sjkh } 7267332Sjkh if (get_result(unit, rc, (u_char *)&drive_config) != 0) 7277332Sjkh return 0; 7287332Sjkh 7297332Sjkh bcopy(drive_config.vendor, namebuf, 8); 7307332Sjkh s = namebuf+8; 7317332Sjkh while (*(s-1) == ' ') /* Strip trailing spaces */ 7327332Sjkh s--; 7337332Sjkh *s++ = ' '; 7347332Sjkh bcopy(drive_config.product, s, 16); 7357332Sjkh s += 16; 7367332Sjkh while (*(s-1) == ' ') 7377332Sjkh s--; 7387332Sjkh *s++ = ' '; 7397332Sjkh bcopy(drive_config.revision, s, 8); 7407332Sjkh s += 8; 7417332Sjkh while (*(s-1) == ' ') 7427332Sjkh s--; 7437332Sjkh *s = 0; 7447332Sjkh 7457332Sjkh scd_data[unit].name = namebuf; 7467332Sjkh 7477332Sjkh if (drive_config.config & 0x10) 7487332Sjkh scd_data[unit].double_speed = 1; 7497332Sjkh else 7507332Sjkh scd_data[unit].double_speed = 0; 7517332Sjkh 7527332Sjkh return 4; 7537332Sjkh} 7547332Sjkh 7557332Sjkhstatic int 7567332Sjkhread_subcode(int unit, struct sony_subchannel_position_data *sc) 7577332Sjkh{ 7587332Sjkh int rc; 7597332Sjkh 7607332Sjkh rc = send_cmd(unit, CMD_GET_SUBCHANNEL_DATA, 0); 7617332Sjkh if (rc < 0 || rc < sizeof(*sc)) 7627332Sjkh return EIO; 7637332Sjkh if (get_result(unit, rc, (u_char *)sc) != 0) 7647332Sjkh return EIO; 7657332Sjkh return 0; 7667332Sjkh} 7677332Sjkh 7687332Sjkh/* State machine copied from mcd.c */ 7697332Sjkh 7707332Sjkh/* This (and the code in mcd.c) will not work with more than one drive */ 7717332Sjkh/* because there is only one mbxsave below. Should fix that some day. */ 7727332Sjkh/* (mbxsave & state should probably be included in the scd_data struct and */ 7737332Sjkh/* the unit number used as first argument to scd_doread().) /Micke */ 7747332Sjkh 7757332Sjkh/* state machine to process read requests 7767332Sjkh * initialize with SCD_S_BEGIN: reset state machine 7777332Sjkh * SCD_S_WAITSTAT: wait for ready (!busy) 7787332Sjkh * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 7797332Sjkh * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 7807332Sjkh * SCD_S_WAITREAD: wait for data ready, read data 7817332Sjkh * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 7827332Sjkh */ 7837332Sjkh 7847332Sjkhstatic struct scd_mbx *mbxsave; 7857332Sjkh 7867332Sjkhstatic void 7877332Sjkhscd_doread(int state, struct scd_mbx *mbxin) 7887332Sjkh{ 7897332Sjkh struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; 7907332Sjkh int unit = mbx->unit; 7917332Sjkh int port = mbx->port; 7927332Sjkh struct buf *bp = mbx->bp; 7937332Sjkh struct scd_data *cd = scd_data + unit; 79411872Sphk int reg,i; 7957332Sjkh int blknum; 7967332Sjkh caddr_t addr; 7977332Sjkh static char sdata[3]; /* Must be preserved between calls to this function */ 7987332Sjkh 7997332Sjkhloop: 8007332Sjkh switch (state) { 8017332Sjkh case SCD_S_BEGIN: 8027332Sjkh mbx = mbxsave = mbxin; 8037332Sjkh 8047332Sjkh case SCD_S_BEGIN1: 8057332Sjkh /* get status */ 8067332Sjkh mbx->count = RDELAY_WAIT; 8077332Sjkh 8087332Sjkh process_attention(unit); 8097332Sjkh goto trystat; 8107332Sjkh 8117332Sjkh case SCD_S_WAITSTAT: 8127332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSTAT); 8137332Sjkh if (mbx->count-- <= 0) { 8147332Sjkh printf("scd%d: timeout. drive busy.\n",unit); 8157332Sjkh goto harderr; 8167332Sjkh } 8177332Sjkh 8187332Sjkhtrystat: 8197332Sjkh if (IS_BUSY(port)) { 8207332Sjkh timeout((timeout_func_t)scd_doread, 8217332Sjkh (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ 8227332Sjkh return; 8237332Sjkh } 8248876Srgrimes 8257332Sjkh process_attention(unit); 8267332Sjkh 8277332Sjkh /* reject, if audio active */ 8287332Sjkh if (cd->audio_status & CD_AS_PLAY_IN_PROGRESS) { 8297332Sjkh printf("scd%d: audio is active\n",unit); 8307332Sjkh goto harderr; 8317332Sjkh } 8327332Sjkh 8337332Sjkh mbx->sz = cd->blksize; 8347332Sjkh 8357332Sjkh /* for first block */ 8367332Sjkh mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz; 8377332Sjkh mbx->skip = 0; 8387332Sjkh 8397332Sjkhnextblock: 8407332Sjkh if (!(cd->flags & SCDVALID)) 8417332Sjkh goto changed; 8427332Sjkh 8437332Sjkh blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE)) 8447332Sjkh + mbx->p_offset + mbx->skip/mbx->sz; 8457332Sjkh 8467332Sjkh XDEBUG(2, ("scd%d: scd_doread: read blknum=%d\n", unit, blknum)); 8477332Sjkh 8487332Sjkh /* build parameter block */ 8497332Sjkh hsg2msf(blknum, sdata); 8507332Sjkh 8517332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8527332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 8537332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 8547332Sjkh 8557332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 8567332Sjkh goto writeparam; 8577332Sjkh 8587332Sjkh mbx->count = 100; 8597332Sjkh timeout((timeout_func_t)scd_doread, 8607332Sjkh (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8617332Sjkh return; 8627332Sjkh 8637332Sjkh case SCD_S_WAITSPIN: 8647332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSPIN); 8657332Sjkh if (mbx->count-- <= 0) { 8667332Sjkh printf("scd%d: timeout waiting for drive to spin up.\n", unit); 8677332Sjkh goto harderr; 8687332Sjkh } 8697332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 8707332Sjkh timeout((timeout_func_t)scd_doread, 8717332Sjkh (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 8727332Sjkh return; 8737332Sjkh } 8747332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 8757332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 8767332Sjkh case 0x20: 8777332Sjkh i = inb(port+IREG_RESULT); 8787332Sjkh print_error(unit, i); 8797332Sjkh goto harderr; 8807332Sjkh case 0x00: 8817332Sjkh (void)inb(port+IREG_RESULT); 8827332Sjkh cd->flags |= SCDSPINNING; 8837332Sjkh break; 8847332Sjkh } 8857332Sjkh XDEBUG(1, ("scd%d: DEBUG: spin up complete\n", unit)); 8867332Sjkh 8877332Sjkh state = SCD_S_BEGIN1; 8887332Sjkh goto loop; 8897332Sjkh 8907332Sjkh case SCD_S_WAITFIFO: 8917332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITFIFO); 8927332Sjkh if (mbx->count-- <= 0) { 8937332Sjkh printf("scd%d: timeout. write param not ready.\n",unit); 8947332Sjkh goto harderr; 8957332Sjkh } 8967332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 8977332Sjkh timeout((timeout_func_t)scd_doread, 8987332Sjkh (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ 8997332Sjkh return; 9007332Sjkh } 9017332Sjkh XDEBUG(1, ("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100)); 9027332Sjkh 9037332Sjkhwriteparam: 9047332Sjkh /* The reason this test isn't done 'till now is to make sure */ 9057332Sjkh /* that it is ok to send the SPIN_UP cmd below. */ 9067332Sjkh if (!(cd->flags & SCDSPINNING)) { 9077332Sjkh XDEBUG(1, ("scd%d: spinning up drive ...\n", unit)); 9087332Sjkh outb(port+OREG_COMMAND, CMD_SPIN_UP); 9097332Sjkh mbx->count = 300; 9107332Sjkh timeout((timeout_func_t)scd_doread, 9117332Sjkh (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ 9127332Sjkh return; 9137332Sjkh } 9147332Sjkh 9157332Sjkh reg = port + OREG_WPARAMS; 9167332Sjkh /* send the read command */ 9177332Sjkh disable_intr(); 9187332Sjkh outb(reg, sdata[0]); 9197332Sjkh outb(reg, sdata[1]); 9207332Sjkh outb(reg, sdata[2]); 9217332Sjkh outb(reg, 0); 9227332Sjkh outb(reg, 0); 9237332Sjkh outb(reg, 1); 9247332Sjkh outb(port+OREG_COMMAND, CMD_READ); 9257332Sjkh enable_intr(); 9267332Sjkh 9277332Sjkh mbx->count = RDELAY_WAITREAD; 9287332Sjkh for (i = 0; i < 50; i++) { 9297332Sjkh if (STATUS_BIT(port, SBIT_DATA_READY)) 9307332Sjkh goto got_data; 9317332Sjkh DELAY(100); 9327332Sjkh } 9337332Sjkh 9347332Sjkh timeout((timeout_func_t)scd_doread, 9357332Sjkh (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9367332Sjkh return; 9377332Sjkh 9387332Sjkh case SCD_S_WAITREAD: 9397332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITREAD); 9407332Sjkh if (mbx->count-- <= 0) { 9417332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9427332Sjkh goto got_param; 9437332Sjkh printf("scd%d: timeout while reading data\n",unit); 9447332Sjkh goto readerr; 9457332Sjkh } 9467332Sjkh if (!STATUS_BIT(port, SBIT_DATA_READY)) { 9477332Sjkh process_attention(unit); 9487332Sjkh if (!(cd->flags & SCDVALID)) 9497332Sjkh goto changed; 9507332Sjkh timeout((timeout_func_t)scd_doread, 9517332Sjkh (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ 9527332Sjkh return; 9537332Sjkh } 9547332Sjkh XDEBUG(2, ("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD)); 9557332Sjkh 9567332Sjkhgot_data: 9577332Sjkh /* data is ready */ 9587332Sjkh addr = bp->b_un.b_addr + mbx->skip; 9597332Sjkh write_control(port, CBIT_DATA_READY_CLEAR); 9607332Sjkh insb(port+IREG_DATA, addr, mbx->sz); 9617332Sjkh 9627332Sjkh mbx->count = 100; 9637332Sjkh for (i = 0; i < 20; i++) { 9647332Sjkh if (STATUS_BIT(port, SBIT_RESULT_READY)) 9657332Sjkh goto waitfor_param; 9667332Sjkh DELAY(100); 9677332Sjkh } 9687332Sjkh goto waitfor_param; 9697332Sjkh 9707332Sjkh case SCD_S_WAITPARAM: 9717332Sjkh untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITPARAM); 9727332Sjkh if (mbx->count-- <= 0) { 9737332Sjkh printf("scd%d: timeout waiting for params\n",unit); 9747332Sjkh goto readerr; 9757332Sjkh } 9767332Sjkh 9777332Sjkhwaitfor_param: 9787332Sjkh if (!STATUS_BIT(port, SBIT_RESULT_READY)) { 9797332Sjkh timeout((timeout_func_t)scd_doread, 9807332Sjkh (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ 9817332Sjkh return; 9827332Sjkh } 9837332Sjkh#if SCD_DEBUG 9847332Sjkh if (mbx->count < 100 && scd_debuglevel > 0) 9857332Sjkh printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); 9867332Sjkh#endif 9877332Sjkh 9887332Sjkhgot_param: 9897332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 9907332Sjkh switch ((i = inb(port+IREG_RESULT)) & 0xf0) { 9917332Sjkh case 0x50: 9927332Sjkh switch (i) { 9937332Sjkh case ERR_FATAL_READ_ERROR1: 9947332Sjkh case ERR_FATAL_READ_ERROR2: 9957332Sjkh printf("scd%d: unrecoverable read error 0x%x\n", unit, i); 9967332Sjkh goto harderr; 9977332Sjkh } 9987332Sjkh break; 9997332Sjkh case 0x20: 10007332Sjkh i = inb(port+IREG_RESULT); 10017332Sjkh switch (i) { 10027332Sjkh case ERR_NOT_SPINNING: 10037332Sjkh XDEBUG(1, ("scd%d: read error: drive not spinning\n", unit)); 10047332Sjkh if (mbx->retry-- > 0) { 10057332Sjkh state = SCD_S_BEGIN1; 10067332Sjkh cd->flags &= ~SCDSPINNING; 10077332Sjkh goto loop; 10087332Sjkh } 10097332Sjkh goto harderr; 10107332Sjkh default: 10117332Sjkh print_error(unit, i); 10127332Sjkh goto readerr; 10137332Sjkh } 10147332Sjkh case 0x00: 10157332Sjkh i = inb(port+IREG_RESULT); 10167332Sjkh break; 10177332Sjkh } 10187332Sjkh 10197332Sjkh if (--mbx->nblk > 0) { 10207332Sjkh mbx->skip += mbx->sz; 10217332Sjkh goto nextblock; 10227332Sjkh } 10237332Sjkh 10247332Sjkh /* return buffer */ 10257332Sjkh bp->b_resid = 0; 10267332Sjkh biodone(bp); 10277332Sjkh 10287332Sjkh cd->flags &= ~SCDMBXBSY; 10297332Sjkh scd_start(mbx->unit); 10307332Sjkh return; 10317332Sjkh } 10327332Sjkh 10337332Sjkhreaderr: 10347332Sjkh if (mbx->retry-- > 0) { 10357332Sjkh printf("scd%d: retrying ...\n",unit); 10367332Sjkh state = SCD_S_BEGIN1; 10377332Sjkh goto loop; 10387332Sjkh } 10397332Sjkhharderr: 10407332Sjkh /* invalidate the buffer */ 10417332Sjkh bp->b_error = EIO; 10427332Sjkh bp->b_flags |= B_ERROR; 10437332Sjkh bp->b_resid = bp->b_bcount; 10447332Sjkh biodone(bp); 10457332Sjkh 10467332Sjkh cd->flags &= ~SCDMBXBSY; 10477332Sjkh scd_start(mbx->unit); 10487332Sjkh return; 10497332Sjkh 10507332Sjkhchanged: 10517332Sjkh printf("scd%d: media changed\n", unit); 10527332Sjkh goto harderr; 10537332Sjkh} 10547332Sjkh 10557332Sjkhstatic int 10567332Sjkhbcd2bin(bcd_t b) 10577332Sjkh{ 10587332Sjkh return (b >> 4) * 10 + (b & 15); 10597332Sjkh} 10607332Sjkh 10617332Sjkhstatic bcd_t 10627332Sjkhbin2bcd(int b) 10637332Sjkh{ 10647332Sjkh return ((b / 10) << 4) | (b % 10); 10657332Sjkh} 10667332Sjkh 10677332Sjkhstatic void 10687332Sjkhhsg2msf(int hsg, bcd_t *msf) 10697332Sjkh{ 10707332Sjkh hsg += 150; 10717332Sjkh M_msf(msf) = bin2bcd(hsg / 4500); 10727332Sjkh hsg %= 4500; 10737332Sjkh S_msf(msf) = bin2bcd(hsg / 75); 10747332Sjkh F_msf(msf) = bin2bcd(hsg % 75); 10757332Sjkh} 10767332Sjkh 10777332Sjkhstatic int 10787332Sjkhmsf2hsg(bcd_t *msf) 10797332Sjkh{ 10807332Sjkh return (bcd2bin(M_msf(msf)) * 60 + 10817332Sjkh bcd2bin(S_msf(msf))) * 75 + 10827332Sjkh bcd2bin(F_msf(msf)) - 150; 10837332Sjkh} 10847332Sjkh 10857332Sjkhstatic void 10867332Sjkhprocess_attention(unsigned unit) 10877332Sjkh{ 10887332Sjkh unsigned port = scd_data[unit].iobase; 10897332Sjkh unsigned char code; 10907332Sjkh int count = 0; 10917332Sjkh 10927332Sjkh while (IS_ATTENTION(port) && count++ < 30) { 10937332Sjkh write_control(port, CBIT_ATTENTION_CLEAR); 10947332Sjkh code = inb(port+IREG_RESULT); 10957332Sjkh 10967332Sjkh#if SCD_DEBUG 10977332Sjkh if (scd_debuglevel > 0) { 10987332Sjkh if (count == 1) 10997332Sjkh printf("scd%d: DEBUG: ATTENTIONS = 0x%x", unit, code); 11007332Sjkh else 11017332Sjkh printf(",0x%x", code); 11027332Sjkh } 11037332Sjkh#endif 11047332Sjkh 11057332Sjkh switch (code) { 11067332Sjkh case ATTEN_SPIN_DOWN: 11077332Sjkh scd_data[unit].flags &= ~SCDSPINNING; 11087332Sjkh break; 11097332Sjkh 11107332Sjkh case ATTEN_SPIN_UP_DONE: 11117332Sjkh scd_data[unit].flags |= SCDSPINNING; 11127332Sjkh break; 11137332Sjkh 11147332Sjkh case ATTEN_AUDIO_DONE: 11157332Sjkh scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; 11167332Sjkh break; 11177332Sjkh 11187332Sjkh case ATTEN_DRIVE_LOADED: 11197332Sjkh scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 11207332Sjkh scd_data[unit].audio_status = CD_AS_AUDIO_INVALID; 11217332Sjkh break; 11227332Sjkh 11237332Sjkh case ATTEN_EJECT_PUSHED: 11247332Sjkh scd_data[unit].flags &= ~SCDVALID; 11257332Sjkh break; 11267332Sjkh } 11277332Sjkh DELAY(100); 11287332Sjkh } 11297332Sjkh#if SCD_DEBUG 11307332Sjkh if (scd_debuglevel > 0 && count > 0) 11317332Sjkh printf("\n"); 11327332Sjkh#endif 11337332Sjkh} 11347332Sjkh 11357332Sjkh/* Returns 0 OR sony error code */ 11367332Sjkhstatic int 11377332Sjkhspin_up(unsigned unit) 11387332Sjkh{ 11397332Sjkh unsigned char res_reg[12]; 11407332Sjkh unsigned int res_size; 11417332Sjkh int rc; 11427332Sjkh int loop_count = 0; 11437332Sjkh 11447332Sjkhagain: 11457332Sjkh rc = send_cmd(unit, CMD_SPIN_UP, NULL, 0, res_reg, &res_size); 11467332Sjkh if (rc != 0) { 11477332Sjkh XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc)); 11487332Sjkh return rc; 11497332Sjkh } 11507332Sjkh 11517332Sjkh if (!(scd_data[unit].flags & SCDTOC)) { 11527332Sjkh rc = send_cmd(unit, CMD_READ_TOC, 0); 11537332Sjkh if (rc == ERR_NOT_SPINNING) { 11547332Sjkh if (loop_count++ < 3) 11557332Sjkh goto again; 11567332Sjkh return rc; 11577332Sjkh } 11587332Sjkh if (rc != 0) 11597332Sjkh return rc; 11607332Sjkh } 11617332Sjkh 11627332Sjkh scd_data[unit].flags |= SCDSPINNING; 11637332Sjkh 11647332Sjkh return 0; 11657332Sjkh} 11667332Sjkh 11677332Sjkhstatic struct sony_tracklist * 11687332Sjkhget_tl(struct sony_toc *toc, int size) 11697332Sjkh{ 11707332Sjkh struct sony_tracklist *tl = &toc->tracks[0]; 11717332Sjkh 11727332Sjkh if (tl->track != 0xb0) 11737332Sjkh return tl; 11747332Sjkh (char *)tl += 9; 11758876Srgrimes if (tl->track != 0xb1) 11767332Sjkh return tl; 11777332Sjkh (char *)tl += 9; 11788876Srgrimes if (tl->track != 0xb2) 11797332Sjkh return tl; 11807332Sjkh (char *)tl += 9; 11818876Srgrimes if (tl->track != 0xb3) 11827332Sjkh return tl; 11837332Sjkh (char *)tl += 9; 11848876Srgrimes if (tl->track != 0xb4) 11857332Sjkh return tl; 11867332Sjkh (char *)tl += 9; 11878876Srgrimes if (tl->track != 0xc0) 11887332Sjkh return tl; 11897332Sjkh (char *)tl += 9; 11907332Sjkh return tl; 11917332Sjkh} 11927332Sjkh 11937332Sjkhstatic int 11947332Sjkhread_toc(dev_t dev) 11957332Sjkh{ 11967332Sjkh unsigned unit; 11977332Sjkh struct scd_data *cd; 11987332Sjkh unsigned part = 0; /* For now ... */ 11997332Sjkh struct sony_toc toc; 12007332Sjkh struct sony_tracklist *tl; 12017332Sjkh int rc, i, j; 12027332Sjkh u_long first, last; 12037332Sjkh 12047332Sjkh unit = scd_unit(dev); 12057332Sjkh cd = scd_data + unit; 12067332Sjkh 12077332Sjkh rc = send_cmd(unit, CMD_GET_TOC, 1, part+1); 12087332Sjkh if (rc < 0) 12097332Sjkh return rc; 12107332Sjkh if (rc > sizeof(toc)) { 12117332Sjkh printf("scd%d: program error: toc too large (%d)\n", unit, rc); 12127332Sjkh return EIO; 12137332Sjkh } 12147332Sjkh if (get_result(unit, rc, (u_char *)&toc) != 0) 12157332Sjkh return EIO; 12167332Sjkh 12177332Sjkh XDEBUG(1, ("scd%d: toc read. len = %d, sizeof(toc) = %d\n", unit, rc, sizeof(toc))); 12187332Sjkh 12197332Sjkh tl = get_tl(&toc, rc); 12207332Sjkh first = msf2hsg(tl->start_msf); 12217332Sjkh last = msf2hsg(toc.lead_out_start_msf); 12227332Sjkh cd->blksize = SCDBLKSIZE; 12237332Sjkh cd->disksize = last*cd->blksize/DEV_BSIZE; 12247332Sjkh 12258376Srgrimes XDEBUG(1, ("scd%d: firstsector = %ld, lastsector = %ld", unit, 12267332Sjkh first, last)); 12277332Sjkh 12287332Sjkh cd->first_track = bcd2bin(toc.first_track); 12297332Sjkh cd->last_track = bcd2bin(toc.last_track); 12307332Sjkh if (cd->last_track > (MAX_TRACKS-2)) 12317332Sjkh cd->last_track = MAX_TRACKS-2; 12327332Sjkh for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { 12337332Sjkh cd->toc[i].adr = tl[j].adr; 12347332Sjkh cd->toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 12357332Sjkh bcopy(tl[j].start_msf, cd->toc[i].start_msf, 3); 12367332Sjkh#ifdef SCD_DEBUG 12377332Sjkh if (scd_debuglevel > 0) { 12387332Sjkh if ((j % 3) == 0) 12397332Sjkh printf("\nscd%d: tracks ", unit); 12407332Sjkh printf("[%03d: %2d %2d %2d] ", i, 12417332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12427332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12437332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12447332Sjkh } 12457332Sjkh#endif 12467332Sjkh } 12477332Sjkh bcopy(toc.lead_out_start_msf, cd->toc[cd->last_track+1].start_msf, 3); 12487332Sjkh#ifdef SCD_DEBUG 12497332Sjkh if (scd_debuglevel > 0) { 12507332Sjkh i = cd->last_track+1; 12517332Sjkh printf("[END: %2d %2d %2d]\n", 12527332Sjkh bcd2bin(cd->toc[i].start_msf[0]), 12537332Sjkh bcd2bin(cd->toc[i].start_msf[1]), 12547332Sjkh bcd2bin(cd->toc[i].start_msf[2])); 12557332Sjkh } 12567332Sjkh#endif 12577332Sjkh 12587332Sjkh bzero(&cd->dlabel,sizeof(struct disklabel)); 12597332Sjkh /* filled with spaces first */ 12607332Sjkh strncpy(cd->dlabel.d_typename," ", 12617332Sjkh sizeof(cd->dlabel.d_typename)); 12627332Sjkh strncpy(cd->dlabel.d_typename, cd->name, 12637332Sjkh min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); 12647332Sjkh strncpy(cd->dlabel.d_packname,"unknown ", 12657332Sjkh sizeof(cd->dlabel.d_packname)); 12667332Sjkh cd->dlabel.d_secsize = cd->blksize; 12677332Sjkh cd->dlabel.d_nsectors = 100; 12687332Sjkh cd->dlabel.d_ntracks = 1; 12697332Sjkh cd->dlabel.d_ncylinders = (cd->disksize/100)+1; 12707332Sjkh cd->dlabel.d_secpercyl = 100; 12717332Sjkh cd->dlabel.d_secperunit = cd->disksize; 12727332Sjkh cd->dlabel.d_rpm = 300; 12737332Sjkh cd->dlabel.d_interleave = 1; 12747332Sjkh cd->dlabel.d_flags = D_REMOVABLE; 12757332Sjkh cd->dlabel.d_npartitions= 1; 12767332Sjkh cd->dlabel.d_partitions[0].p_offset = 0; 12777332Sjkh cd->dlabel.d_partitions[0].p_size = cd->disksize; 12787332Sjkh cd->dlabel.d_partitions[0].p_fstype = 9; 12797332Sjkh cd->dlabel.d_magic = DISKMAGIC; 12807332Sjkh cd->dlabel.d_magic2 = DISKMAGIC; 12817332Sjkh cd->dlabel.d_checksum = dkcksum(&cd->dlabel); 12827332Sjkh 12837332Sjkh cd->flags |= SCDTOC; 12847332Sjkh 12857332Sjkh return 0; 12867332Sjkh} 12877332Sjkh 12887332Sjkhstatic inline void 12897332Sjkhwrite_control(unsigned port, unsigned data) 12907332Sjkh{ 12917332Sjkh outb(port + OREG_CONTROL, data); 12927332Sjkh} 12937332Sjkh 12947332Sjkhstatic void 12957332Sjkhinit_drive(unsigned unit) 12967332Sjkh{ 12977332Sjkh int rc; 12987332Sjkh 12997332Sjkh rc = send_cmd(unit, CMD_SET_DRIVE_PARAM, 2, 13007332Sjkh 0x05, 0x03 | ((scd_data[unit].double_speed) ? 0x04: 0)); 13017332Sjkh if (rc != 0) 13027332Sjkh printf("scd%d: Unable to set parameters. Errcode = 0x%x\n", unit, rc); 13037332Sjkh} 13047332Sjkh 13057332Sjkh/* Returns 0 or errno */ 13067332Sjkhstatic int 13077332Sjkhget_result(u_int unit, int result_len, u_char *result) 13087332Sjkh{ 13097332Sjkh unsigned int port = scd_data[unit].iobase; 13107332Sjkh unsigned int res_reg = port + IREG_RESULT; 13117332Sjkh int loop_index = 2; /* send_cmd() reads two bytes ... */ 13127332Sjkh 13137332Sjkh XDEBUG(1, ("scd%d: DEBUG: get_result: bytes=%d\n", unit, result_len)); 13147332Sjkh 13157332Sjkh while (result_len-- > 0) { 13167332Sjkh if (loop_index++ >= 10) { 13177332Sjkh loop_index = 1; 13187332Sjkh if (waitfor_status_bits(unit, SBIT_RESULT_READY, 0)) 13197332Sjkh return EIO; 13207332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13217332Sjkh } 13227332Sjkh if (result) 13237332Sjkh *result++ = inb(res_reg); 13247332Sjkh else 13257332Sjkh (void)inb(res_reg); 13267332Sjkh } 13277332Sjkh return 0; 13287332Sjkh} 13297332Sjkh 13307332Sjkh/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 13317332Sjkhstatic int 13327332Sjkhsend_cmd(u_int unit, u_char cmd, u_int nargs, ...) 13337332Sjkh{ 13347332Sjkh va_list ap; 13357332Sjkh u_int port = scd_data[unit].iobase; 13367332Sjkh u_int reg; 13377332Sjkh u_char c; 13387332Sjkh int rc; 13397332Sjkh int i; 13407332Sjkh 13417332Sjkh if (waitfor_status_bits(unit, 0, SBIT_BUSY)) { 13427332Sjkh printf("scd%d: drive busy\n", unit); 13437332Sjkh return -0x100; 13447332Sjkh } 13457332Sjkh 13467332Sjkh XDEBUG(1,("scd%d: DEBUG: send_cmd: cmd=0x%x nargs=%d", unit, cmd, nargs)); 13477332Sjkh 13487332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13497332Sjkh write_control(port, CBIT_RPARAM_CLEAR); 13507332Sjkh 13517332Sjkh for (i = 0; i < 100; i++) 13527332Sjkh if (FSTATUS_BIT(port, FBIT_WPARAM_READY)) 13537332Sjkh break; 13547332Sjkh if (!FSTATUS_BIT(port, FBIT_WPARAM_READY)) { 13557332Sjkh XDEBUG(1, ("\nscd%d: wparam timeout\n", unit)); 13567332Sjkh return -EIO; 13577332Sjkh } 13588876Srgrimes 13597332Sjkh va_start(ap, nargs); 13607332Sjkh reg = port + OREG_WPARAMS; 13617332Sjkh for (i = 0; i < nargs; i++) { 13627332Sjkh c = (u_char)va_arg(ap, int); 13637332Sjkh outb(reg, c); 13647332Sjkh XDEBUG(1, (",{0x%x}", c)); 13657332Sjkh } 13667332Sjkh va_end(ap); 13677332Sjkh XDEBUG(1, ("\n")); 13687332Sjkh 13697332Sjkh outb(port+OREG_COMMAND, cmd); 13707332Sjkh 137111872Sphk rc = waitfor_status_bits(unit, SBIT_RESULT_READY, SBIT_BUSY); 137211872Sphk if (rc) 13737332Sjkh return -0x100; 13747332Sjkh 13757332Sjkh reg = port + IREG_RESULT; 13767332Sjkh write_control(port, CBIT_RESULT_READY_CLEAR); 13777332Sjkh switch ((rc = inb(reg)) & 0xf0) { 13787332Sjkh case 0x20: 13797332Sjkh rc = inb(reg); 13807332Sjkh /* FALL TROUGH */ 13817332Sjkh case 0x50: 13827332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc)); 13837332Sjkh return -rc; 13847332Sjkh case 0x00: 13857332Sjkh default: 13867332Sjkh rc = inb(reg); 13877332Sjkh XDEBUG(1, ("scd%d: DEBUG: send_cmd: result_len=%d\n", unit, rc)); 13887332Sjkh return rc; 13897332Sjkh } 13907332Sjkh} 13917332Sjkh 13927332Sjkhstatic void 13937332Sjkhprint_error(int unit, int errcode) 13947332Sjkh{ 13957332Sjkh switch (errcode) { 13967332Sjkh case -ERR_CD_NOT_LOADED: 13977332Sjkh printf("scd%d: door is open\n", unit); 13987332Sjkh break; 13997332Sjkh case -ERR_NO_CD_INSIDE: 14007332Sjkh printf("scd%d: no cd inside\n", unit); 14017332Sjkh break; 14027332Sjkh default: 14037332Sjkh if (errcode == -0x100 || errcode > 0) 14047332Sjkh printf("scd%d: device timeout\n", unit); 14057332Sjkh else 14067332Sjkh printf("scd%d: unexpected error 0x%x\n", unit, -errcode); 14077332Sjkh break; 14087332Sjkh } 14097332Sjkh} 14107332Sjkh 14117332Sjkh/* Returns 0 or errno value */ 14127332Sjkhstatic int 14137332Sjkhwaitfor_status_bits(int unit, int bits_set, int bits_clear) 14147332Sjkh{ 14157332Sjkh u_int port = scd_data[unit].iobase; 14167332Sjkh u_int flags = scd_data[unit].flags; 14177332Sjkh u_int reg = port + IREG_STATUS; 14187332Sjkh u_int max_loop; 14197332Sjkh u_char c = 0; 14207332Sjkh 14217332Sjkh if (flags & SCDPROBING) { 14227332Sjkh max_loop = 0; 14237332Sjkh while (max_loop++ < 1000) { 14247332Sjkh c = inb(reg); 14257332Sjkh if (c == 0xff) 14267332Sjkh return EIO; 14277332Sjkh if (c & SBIT_ATTENTION) { 14287332Sjkh process_attention(unit); 14297332Sjkh continue; 14307332Sjkh } 14317332Sjkh if ((c & bits_set) == bits_set && 14327332Sjkh (c & bits_clear) == 0) 14337332Sjkh { 14347332Sjkh break; 14357332Sjkh } 14367332Sjkh DELAY(10000); 14377332Sjkh } 14387332Sjkh } else { 14397332Sjkh max_loop = 100; 14407332Sjkh while (max_loop-- > 0) { 14417332Sjkh c = inb(reg); 14427332Sjkh if (c & SBIT_ATTENTION) { 14437332Sjkh process_attention(unit); 14447332Sjkh continue; 14457332Sjkh } 14467332Sjkh if ((c & bits_set) == bits_set && 14477332Sjkh (c & bits_clear) == 0) 14487332Sjkh { 14497332Sjkh break; 14507332Sjkh } 14517332Sjkh tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 14527332Sjkh } 14537332Sjkh } 14547332Sjkh if ((c & bits_set) == bits_set && 14557332Sjkh (c & bits_clear) == 0) 14567332Sjkh { 14577332Sjkh return 0; 14587332Sjkh } 14597332Sjkh#ifdef SCD_DEBUG 14607332Sjkh if (scd_debuglevel > 0) 14617332Sjkh printf("scd%d: DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", unit, c, bits_set, bits_clear); 14627332Sjkh else 14637332Sjkh#endif 14647332Sjkh printf("scd%d: timeout.\n", unit); 14657332Sjkh return EIO; 14667332Sjkh} 14677332Sjkh 14687332Sjkh/* these two routines for xcdplayer - "borrowed" from mcd.c */ 14697332Sjkhstatic int 14707332Sjkhscd_toc_header (int unit, struct ioc_toc_header* th) 14717332Sjkh{ 14727332Sjkh struct scd_data *cd = scd_data + unit; 14737332Sjkh int rc; 14747332Sjkh 14757332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14767332Sjkh print_error(unit, rc); 14777332Sjkh return EIO; 14787332Sjkh } 14797332Sjkh 14807332Sjkh th->starting_track = cd->first_track; 14817332Sjkh th->ending_track = cd->last_track; 14827332Sjkh th->len = 0; /* not used */ 14837332Sjkh 14847332Sjkh return 0; 14857332Sjkh} 14867332Sjkh 14877332Sjkhstatic int 14887332Sjkhscd_toc_entrys (int unit, struct ioc_read_toc_entry *te) 14897332Sjkh{ 14907332Sjkh struct scd_data *cd = scd_data + unit; 14917332Sjkh struct cd_toc_entry toc_entry; 14927332Sjkh int rc, i, len = te->data_len; 14937332Sjkh 14947332Sjkh if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { 14957332Sjkh print_error(unit, rc); 14967332Sjkh return EIO; 14977332Sjkh } 14987332Sjkh 14997332Sjkh /* find the toc to copy*/ 15007332Sjkh i = te->starting_track; 15017332Sjkh if (i == SCD_LASTPLUS1) 15027332Sjkh i = cd->last_track + 1; 15038876Srgrimes 15047332Sjkh /* verify starting track */ 15057332Sjkh if (i < cd->first_track || i > cd->last_track+1) 15067332Sjkh return EINVAL; 15077332Sjkh 15087332Sjkh /* valid length ? */ 15097332Sjkh if (len < sizeof(struct cd_toc_entry) 15107332Sjkh || (len % sizeof(struct cd_toc_entry)) != 0) 15117332Sjkh return EINVAL; 15127332Sjkh 15137332Sjkh /* copy the toc data */ 15147332Sjkh toc_entry.control = cd->toc[i].ctl; 15157332Sjkh toc_entry.addr_type = te->address_format; 15167332Sjkh toc_entry.track = i; 15177332Sjkh if (te->address_format == CD_MSF_FORMAT) { 15187332Sjkh toc_entry.addr.msf.unused = 0; 15197332Sjkh toc_entry.addr.msf.minute = bcd2bin(cd->toc[i].start_msf[0]); 15207332Sjkh toc_entry.addr.msf.second = bcd2bin(cd->toc[i].start_msf[1]); 15217332Sjkh toc_entry.addr.msf.frame = bcd2bin(cd->toc[i].start_msf[2]); 15227332Sjkh } 15237332Sjkh 15247332Sjkh /* copy the data back */ 15257332Sjkh if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 15267332Sjkh return EFAULT; 15277332Sjkh 15287332Sjkh return 0; 15297332Sjkh} 15307332Sjkh 153112517Sjulian 153212502Sjulian#ifdef JREMOD 153312502Sjulianstruct bdevsw scd_bdevsw = 153412502Sjulian { scdopen, scdclose, scdstrategy, scdioctl, /*16*/ 153512502Sjulian nxdump, scdsize, 0 }; 153612502Sjulian 153712502Sjulianstruct cdevsw scd_cdevsw = 153812502Sjulian { scdopen, scdclose, rawread, nowrite, /*45*/ 153912502Sjulian scdioctl, nostop, nullreset, nodevtotty,/* sony cd */ 154012502Sjulian seltrue, nommap, scdstrategy }; 154112502Sjulian 154212502Sjulianstatic scd_devsw_installed = 0; 154312502Sjulian 154412517Sjulianstatic void scd_drvinit(void *unused) 154512502Sjulian{ 154612517Sjulian dev_t dev; 154712517Sjulian dev_t dev_chr; 154812517Sjulian 154912502Sjulian if( ! scd_devsw_installed ) { 155012517Sjulian dev = makedev(CDEV_MAJOR,0); 155112517Sjulian cdevsw_add(&dev,&scd_cdevsw,NULL); 155212517Sjulian dev_chr = dev; 155312517Sjulian dev = makedev(BDEV_MAJOR,0); 155412517Sjulian bdevsw_add(&dev,&scd_bdevsw,NULL); 155512502Sjulian scd_devsw_installed = 1; 155612517Sjulian#ifdef DEVFS 155712517Sjulian { 155812517Sjulian int x; 155912517Sjulian/* default for a simple device with no probe routine (usually delete this) */ 156012517Sjulian x=devfs_add_devsw( 156112517Sjulian/* path name devsw minor type uid gid perm*/ 156212517Sjulian "/", "rscd", major(dev_chr), 0, DV_CHR, 0, 0, 0600); 156312517Sjulian x=devfs_add_devsw( 156412517Sjulian "/", "scd", major(dev), 0, DV_BLK, 0, 0, 0600); 156512517Sjulian } 156612517Sjulian } 156712517Sjulian#endif 156812502Sjulian} 156912517Sjulian 157012517SjulianSYSINIT(scddev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,scd_drvinit,NULL) 157112517Sjulian 157212502Sjulian#endif /* JREMOD */ 157312502Sjulian 15747332Sjkh#endif /* NSCD > 0 */ 1575