ad925439e0
Introduce d_version field in struct cdevsw, this must always be initialized to D_VERSION. Flip sense of D_NOGIANT flag to D_NEEDGIANT, this involves removing four D_NOGIANT flags and adding 145 D_NEEDGIANT flags.
1410 lines
33 KiB
C
1410 lines
33 KiB
C
/*-
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* Copyright (c) 1995 Mikael Hybsch
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* All rights reserved.
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*
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* Portions of this file are copied from mcd.c
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* which has the following copyrights:
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*
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* Copyright 1993 by Holger Veit (data part)
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* Copyright 1993 by Brian Moore (audio part)
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* Changes Copyright 1993 by Gary Clark II
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* Changes Copyright (C) 1994 by Andrew A. Chernov
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*
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* Rewrote probe routine to work on newer Mitsumi drives.
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* Additional changes (C) 1994 by Jordan K. Hubbard
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#undef SCD_DEBUG
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <sys/bio.h>
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#include <sys/cdio.h>
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#include <sys/disk.h>
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#include <sys/bus.h>
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#include <machine/stdarg.h>
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#include <machine/bus_pio.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <isa/isavar.h>
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#include <dev/scd/scdreg.h>
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#include <dev/scd/scdvar.h>
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/* flags */
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#define SCDOPEN 0x0001 /* device opened */
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#define SCDVALID 0x0002 /* parameters loaded */
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#define SCDINIT 0x0004 /* device is init'd */
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#define SCDPROBING 0x0020 /* probing */
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#define SCDTOC 0x0100 /* already read toc */
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#define SCDMBXBSY 0x0200 /* local mbx is busy */
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#define SCDSPINNING 0x0400 /* drive is spun up */
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#define SCD_S_BEGIN 0
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#define SCD_S_BEGIN1 1
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#define SCD_S_WAITSTAT 2
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#define SCD_S_WAITFIFO 3
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#define SCD_S_WAITSPIN 4
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#define SCD_S_WAITREAD 5
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#define SCD_S_WAITPARAM 6
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#define RDELAY_WAIT 300
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#define RDELAY_WAITREAD 300
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#define SCDBLKSIZE 2048
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#ifdef SCD_DEBUG
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static int scd_debuglevel = SCD_DEBUG;
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# define XDEBUG(sc, level, fmt, args...) \
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do { \
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if (scd_debuglevel >= level) \
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device_printf(sc->dev, fmt, ## args); \
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} while (0)
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#else
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# define XDEBUG(sc, level, fmt, args...)
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#endif
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#define IS_ATTENTION(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_ATTENTION) != 0)
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#define IS_BUSY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_BUSY) != 0)
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#define IS_DATA_RDY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_DATA_READY) != 0)
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#define STATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_STATUS) & (bit)) != 0)
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#define FSTATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_FSTATUS) & (bit)) != 0)
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/* prototypes */
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static void hsg2msf(int hsg, bcd_t *msf);
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static int msf2hsg(bcd_t *msf);
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static void process_attention(struct scd_softc *);
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static int waitfor_status_bits(struct scd_softc *, int bits_set, int bits_clear);
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static int send_cmd(struct scd_softc *, u_char cmd, u_int nargs, ...);
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static void init_drive(struct scd_softc *);
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static int spin_up(struct scd_softc *);
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static int read_toc(struct scd_softc *);
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static int get_result(struct scd_softc *, int result_len, u_char *result);
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static void print_error(struct scd_softc *, int errcode);
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static void scd_start(struct scd_softc *);
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static timeout_t scd_timeout;
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static void scd_doread(struct scd_softc *, int state, struct scd_mbx *mbxin);
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static int scd_eject(struct scd_softc *);
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static int scd_stop(struct scd_softc *);
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static int scd_pause(struct scd_softc *);
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static int scd_resume(struct scd_softc *);
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static int scd_playtracks(struct scd_softc *, struct ioc_play_track *pt);
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static int scd_playmsf(struct scd_softc *, struct ioc_play_msf *msf);
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static int scd_play(struct scd_softc *, struct ioc_play_msf *msf);
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static int scd_subchan(struct scd_softc *, struct ioc_read_subchannel *sch);
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static int read_subcode(struct scd_softc *, struct sony_subchannel_position_data *sch);
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/* for xcdplayer */
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static int scd_toc_header(struct scd_softc *, struct ioc_toc_header *th);
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static int scd_toc_entrys(struct scd_softc *, struct ioc_read_toc_entry *te);
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static int scd_toc_entry(struct scd_softc *, struct ioc_read_toc_single_entry *te);
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#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */
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static d_open_t scdopen;
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static d_close_t scdclose;
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static d_ioctl_t scdioctl;
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static d_strategy_t scdstrategy;
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static struct cdevsw scd_cdevsw = {
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.d_version = D_VERSION,
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.d_open = scdopen,
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.d_close = scdclose,
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.d_read = physread,
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.d_ioctl = scdioctl,
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.d_strategy = scdstrategy,
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.d_name = "scd",
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.d_flags = D_DISK | D_NEEDGIANT,
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};
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int
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scd_attach(struct scd_softc *sc)
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{
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int unit;
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unit = device_get_unit(sc->dev);
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init_drive(sc);
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sc->data.flags = SCDINIT;
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sc->data.audio_status = CD_AS_AUDIO_INVALID;
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bioq_init(&sc->data.head);
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sc->scd_dev_t = make_dev(&scd_cdevsw, 8 * unit,
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UID_ROOT, GID_OPERATOR, 0640, "scd%d", unit);
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sc->scd_dev_t->si_drv1 = (void *)sc;
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return (0);
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}
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static int
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scdopen(dev_t dev, int flags, int fmt, struct thread *td)
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{
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struct scd_softc *sc;
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int rc;
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sc = (struct scd_softc *)dev->si_drv1;
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/* not initialized*/
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if (!(sc->data.flags & SCDINIT))
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return (ENXIO);
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/* invalidated in the meantime? mark all open part's invalid */
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if (sc->data.openflag)
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return (ENXIO);
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XDEBUG(sc, 1, "DEBUG: status = 0x%x\n", SCD_READ(sc, IREG_STATUS));
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if ((rc = spin_up(sc)) != 0) {
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print_error(sc, rc);
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return (EIO);
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}
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if (!(sc->data.flags & SCDTOC)) {
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int loop_count = 3;
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while (loop_count-- > 0 && (rc = read_toc(sc)) != 0) {
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if (rc == ERR_NOT_SPINNING) {
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rc = spin_up(sc);
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if (rc) {
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print_error(sc, rc);\
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return (EIO);
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}
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continue;
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}
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device_printf(sc->dev, "TOC read error 0x%x\n", rc);
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return (EIO);
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}
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}
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dev->si_bsize_phys = sc->data.blksize;
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sc->data.openflag = 1;
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sc->data.flags |= SCDVALID;
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return (0);
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}
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static int
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scdclose(dev_t dev, int flags, int fmt, struct thread *td)
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{
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struct scd_softc *sc;
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sc = (struct scd_softc *)dev->si_drv1;
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if (!(sc->data.flags & SCDINIT) || !sc->data.openflag)
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return (ENXIO);
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if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS) {
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(void)send_cmd(sc, CMD_SPIN_DOWN, 0);
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sc->data.flags &= ~SCDSPINNING;
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}
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/* close channel */
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sc->data.openflag = 0;
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return (0);
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}
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static void
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scdstrategy(struct bio *bp)
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{
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int s;
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struct scd_softc *sc;
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sc = (struct scd_softc *)bp->bio_dev->si_drv1;
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/* if device invalidated (e.g. media change, door open), error */
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if (!(sc->data.flags & SCDVALID)) {
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device_printf(sc->dev, "media changed\n");
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bp->bio_error = EIO;
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goto bad;
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}
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/* read only */
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if (!(bp->bio_cmd == BIO_READ)) {
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bp->bio_error = EROFS;
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goto bad;
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}
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/* no data to read */
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if (bp->bio_bcount == 0)
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goto done;
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if (!(sc->data.flags & SCDTOC)) {
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bp->bio_error = EIO;
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goto bad;
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}
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bp->bio_resid = 0;
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/* queue it */
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s = splbio();
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bioq_disksort(&sc->data.head, bp);
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splx(s);
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/* now check whether we can perform processing */
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scd_start(sc);
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return;
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bad:
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bp->bio_flags |= BIO_ERROR;
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done:
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bp->bio_resid = bp->bio_bcount;
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biodone(bp);
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return;
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}
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static void
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scd_start(struct scd_softc *sc)
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{
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struct bio *bp;
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int s = splbio();
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if (sc->data.flags & SCDMBXBSY) {
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splx(s);
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return;
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}
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bp = bioq_first(&sc->data.head);
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if (bp != 0) {
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/* block found to process, dequeue */
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bioq_remove(&sc->data.head, bp);
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sc->data.flags |= SCDMBXBSY;
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splx(s);
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} else {
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/* nothing to do */
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splx(s);
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return;
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}
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sc->data.mbx.retry = 3;
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sc->data.mbx.bp = bp;
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splx(s);
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scd_doread(sc, SCD_S_BEGIN, &(sc->data.mbx));
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return;
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}
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static int
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scdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
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{
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struct scd_softc *sc;
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sc = (struct scd_softc *)dev->si_drv1;
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XDEBUG(sc, 1, "ioctl: cmd=0x%lx\n", cmd);
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if (!(sc->data.flags & SCDVALID))
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return (EIO);
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switch (cmd) {
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case DIOCGMEDIASIZE:
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*(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize;
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return (0);
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break;
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case DIOCGSECTORSIZE:
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*(u_int *)addr = sc->data.blksize;
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return (0);
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break;
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case CDIOCPLAYTRACKS:
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return scd_playtracks(sc, (struct ioc_play_track *) addr);
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case CDIOCPLAYBLOCKS:
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return (EINVAL);
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case CDIOCPLAYMSF:
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return scd_playmsf(sc, (struct ioc_play_msf *) addr);
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case CDIOCREADSUBCHANNEL:
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return scd_subchan(sc, (struct ioc_read_subchannel *) addr);
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case CDIOREADTOCHEADER:
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return scd_toc_header (sc, (struct ioc_toc_header *) addr);
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case CDIOREADTOCENTRYS:
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return scd_toc_entrys (sc, (struct ioc_read_toc_entry*) addr);
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case CDIOREADTOCENTRY:
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return scd_toc_entry (sc, (struct ioc_read_toc_single_entry*) addr);
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case CDIOCSETPATCH:
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case CDIOCGETVOL:
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case CDIOCSETVOL:
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case CDIOCSETMONO:
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case CDIOCSETSTERIO:
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case CDIOCSETMUTE:
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case CDIOCSETLEFT:
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case CDIOCSETRIGHT:
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return (EINVAL);
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case CDIOCRESUME:
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return scd_resume(sc);
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case CDIOCPAUSE:
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return scd_pause(sc);
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case CDIOCSTART:
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return (EINVAL);
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case CDIOCSTOP:
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return scd_stop(sc);
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case CDIOCEJECT:
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return scd_eject(sc);
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case CDIOCALLOW:
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return (0);
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case CDIOCSETDEBUG:
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#ifdef SCD_DEBUG
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scd_debuglevel++;
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#endif
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return (0);
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case CDIOCCLRDEBUG:
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#ifdef SCD_DEBUG
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scd_debuglevel = 0;
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|
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#endif
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return (0);
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default:
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device_printf(sc->dev, "unsupported ioctl (cmd=0x%lx)\n", cmd);
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return (ENOTTY);
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}
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}
|
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|
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/***************************************************************
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* lower level of driver starts here
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**************************************************************/
|
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static int
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scd_playtracks(struct scd_softc *sc, struct ioc_play_track *pt)
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{
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struct ioc_play_msf msf;
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int a = pt->start_track;
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int z = pt->end_track;
|
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int rc;
|
|
|
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if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
|
|
if (rc == -ERR_NOT_SPINNING) {
|
|
if (spin_up(sc) != 0)
|
|
return (EIO);
|
|
rc = read_toc(sc);
|
|
}
|
|
if (rc != 0) {
|
|
print_error(sc, rc);
|
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return (EIO);
|
|
}
|
|
}
|
|
|
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XDEBUG(sc, 1, "playtracks from %d:%d to %d:%d\n",
|
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a, pt->start_index, z, pt->end_index);
|
|
|
|
if ( a < sc->data.first_track
|
|
|| a > sc->data.last_track
|
|
|| a > z
|
|
|| z > sc->data.last_track)
|
|
return (EINVAL);
|
|
|
|
bcopy(sc->data.toc[a].start_msf, &msf.start_m, 3);
|
|
hsg2msf(msf2hsg(sc->data.toc[z+1].start_msf)-1, &msf.end_m);
|
|
|
|
return scd_play(sc, &msf);
|
|
}
|
|
|
|
/* The start/end msf is expected to be in bin format */
|
|
static int
|
|
scd_playmsf(struct scd_softc *sc, struct ioc_play_msf *msfin)
|
|
{
|
|
struct ioc_play_msf msf;
|
|
|
|
msf.start_m = bin2bcd(msfin->start_m);
|
|
msf.start_s = bin2bcd(msfin->start_s);
|
|
msf.start_f = bin2bcd(msfin->start_f);
|
|
msf.end_m = bin2bcd(msfin->end_m);
|
|
msf.end_s = bin2bcd(msfin->end_s);
|
|
msf.end_f = bin2bcd(msfin->end_f);
|
|
|
|
return scd_play(sc, &msf);
|
|
}
|
|
|
|
/* The start/end msf is expected to be in bcd format */
|
|
static int
|
|
scd_play(struct scd_softc *sc, struct ioc_play_msf *msf)
|
|
{
|
|
int i, rc;
|
|
|
|
XDEBUG(sc, 1, "playing: %02x:%02x:%02x -> %02x:%02x:%02x\n",
|
|
msf->start_m, msf->start_s, msf->start_f,
|
|
msf->end_m, msf->end_s, msf->end_f);
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
rc = send_cmd(sc, CMD_PLAY_AUDIO, 7,
|
|
0x03,
|
|
msf->start_m, msf->start_s, msf->start_f,
|
|
msf->end_m, msf->end_s, msf->end_f);
|
|
if (rc == -ERR_NOT_SPINNING) {
|
|
sc->data.flags &= ~SCDSPINNING;
|
|
if (spin_up(sc) != 0)
|
|
return (EIO);
|
|
} else if (rc < 0) {
|
|
print_error(sc, rc);
|
|
return (EIO);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
|
|
bcopy((char *)msf, (char *)&sc->data.last_play, sizeof(struct ioc_play_msf));
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
scd_stop(struct scd_softc *sc)
|
|
{
|
|
|
|
(void)send_cmd(sc, CMD_STOP_AUDIO, 0);
|
|
sc->data.audio_status = CD_AS_PLAY_COMPLETED;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
scd_pause(struct scd_softc *sc)
|
|
{
|
|
struct sony_subchannel_position_data subpos;
|
|
|
|
if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS)
|
|
return (EINVAL);
|
|
|
|
if (read_subcode(sc, &subpos) != 0)
|
|
return (EIO);
|
|
|
|
if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0)
|
|
return (EIO);
|
|
|
|
sc->data.last_play.start_m = subpos.abs_msf[0];
|
|
sc->data.last_play.start_s = subpos.abs_msf[1];
|
|
sc->data.last_play.start_f = subpos.abs_msf[2];
|
|
sc->data.audio_status = CD_AS_PLAY_PAUSED;
|
|
|
|
XDEBUG(sc, 1, "pause @ %02x:%02x:%02x\n",
|
|
sc->data.last_play.start_m,
|
|
sc->data.last_play.start_s,
|
|
sc->data.last_play.start_f);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
scd_resume(struct scd_softc *sc)
|
|
{
|
|
|
|
if (sc->data.audio_status != CD_AS_PLAY_PAUSED)
|
|
return (EINVAL);
|
|
return scd_play(sc, &sc->data.last_play);
|
|
}
|
|
|
|
static int
|
|
scd_eject(struct scd_softc *sc)
|
|
{
|
|
|
|
sc->data.audio_status = CD_AS_AUDIO_INVALID;
|
|
sc->data.flags &= ~(SCDSPINNING|SCDTOC);
|
|
|
|
if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0 ||
|
|
send_cmd(sc, CMD_SPIN_DOWN, 0) != 0 ||
|
|
send_cmd(sc, CMD_EJECT, 0) != 0)
|
|
{
|
|
return (EIO);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
scd_subchan(struct scd_softc *sc, struct ioc_read_subchannel *sch)
|
|
{
|
|
struct sony_subchannel_position_data q;
|
|
struct cd_sub_channel_info data;
|
|
|
|
XDEBUG(sc, 1, "subchan af=%d, df=%d\n",
|
|
sch->address_format, sch->data_format);
|
|
|
|
if (sch->address_format != CD_MSF_FORMAT)
|
|
return (EINVAL);
|
|
|
|
if (sch->data_format != CD_CURRENT_POSITION)
|
|
return (EINVAL);
|
|
|
|
if (read_subcode(sc, &q) != 0)
|
|
return (EIO);
|
|
|
|
data.header.audio_status = sc->data.audio_status;
|
|
data.what.position.data_format = CD_MSF_FORMAT;
|
|
data.what.position.track_number = bcd2bin(q.track_number);
|
|
data.what.position.reladdr.msf.unused = 0;
|
|
data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]);
|
|
data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]);
|
|
data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]);
|
|
data.what.position.absaddr.msf.unused = 0;
|
|
data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]);
|
|
data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]);
|
|
data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]);
|
|
|
|
if (copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len))!=0)
|
|
return (EFAULT);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
scd_probe(struct scd_softc *sc)
|
|
{
|
|
struct sony_drive_configuration drive_config;
|
|
int rc;
|
|
static char namebuf[8+16+8+3];
|
|
char *s = namebuf;
|
|
int loop_count = 0;
|
|
|
|
sc->data.flags = SCDPROBING;
|
|
|
|
bzero(&drive_config, sizeof(drive_config));
|
|
|
|
again:
|
|
/* Reset drive */
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESET_DRIVE);
|
|
|
|
/* Calm down */
|
|
DELAY(300000);
|
|
|
|
/* Only the ATTENTION bit may be set */
|
|
if ((SCD_READ(sc, IREG_STATUS) & ~1) != 0) {
|
|
XDEBUG(sc, 1, "too many bits set. probe failed.\n");
|
|
return (ENXIO);
|
|
}
|
|
rc = send_cmd(sc, CMD_GET_DRIVE_CONFIG, 0);
|
|
if (rc != sizeof(drive_config)) {
|
|
/* Sometimes if the drive is playing audio I get */
|
|
/* the bad result 82. Fix by repeating the reset */
|
|
if (rc > 0 && loop_count++ == 0)
|
|
goto again;
|
|
return (ENXIO);
|
|
}
|
|
if (get_result(sc, rc, (u_char *)&drive_config) != 0)
|
|
return (ENXIO);
|
|
|
|
bcopy(drive_config.vendor, namebuf, 8);
|
|
s = namebuf+8;
|
|
while (*(s-1) == ' ') /* Strip trailing spaces */
|
|
s--;
|
|
*s++ = ' ';
|
|
bcopy(drive_config.product, s, 16);
|
|
s += 16;
|
|
while (*(s-1) == ' ')
|
|
s--;
|
|
*s++ = ' ';
|
|
bcopy(drive_config.revision, s, 8);
|
|
s += 8;
|
|
while (*(s-1) == ' ')
|
|
s--;
|
|
*s = 0;
|
|
|
|
sc->data.name = namebuf;
|
|
|
|
if (drive_config.config & 0x10)
|
|
sc->data.double_speed = 1;
|
|
else
|
|
sc->data.double_speed = 0;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
read_subcode(struct scd_softc *sc, struct sony_subchannel_position_data *scp)
|
|
{
|
|
int rc;
|
|
|
|
rc = send_cmd(sc, CMD_GET_SUBCHANNEL_DATA, 0);
|
|
if (rc < 0 || rc < sizeof(*scp))
|
|
return (EIO);
|
|
if (get_result(sc, rc, (u_char *)scp) != 0)
|
|
return (EIO);
|
|
return (0);
|
|
}
|
|
|
|
/* State machine copied from mcd.c */
|
|
|
|
/* This (and the code in mcd.c) will not work with more than one drive */
|
|
/* because there is only one sc->ch_mbxsave below. Should fix that some day. */
|
|
/* (sc->ch_mbxsave & state should probably be included in the scd_data struct and */
|
|
/* the unit number used as first argument to scd_doread().) /Micke */
|
|
|
|
/* state machine to process read requests
|
|
* initialize with SCD_S_BEGIN: reset state machine
|
|
* SCD_S_WAITSTAT: wait for ready (!busy)
|
|
* SCD_S_WAITSPIN: wait for drive to spin up (if not spinning)
|
|
* SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command.
|
|
* SCD_S_WAITREAD: wait for data ready, read data
|
|
* SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read.
|
|
*/
|
|
|
|
static void
|
|
scd_timeout(void *arg)
|
|
{
|
|
struct scd_softc *sc;
|
|
sc = (struct scd_softc *)arg;
|
|
|
|
scd_doread(sc, sc->ch_state, sc->ch_mbxsave);
|
|
}
|
|
|
|
static void
|
|
scd_doread(struct scd_softc *sc, int state, struct scd_mbx *mbxin)
|
|
{
|
|
struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? sc->ch_mbxsave : mbxin;
|
|
struct bio *bp = mbx->bp;
|
|
int i;
|
|
int blknum;
|
|
caddr_t addr;
|
|
static char sdata[3]; /* Must be preserved between calls to this function */
|
|
|
|
loop:
|
|
switch (state) {
|
|
case SCD_S_BEGIN:
|
|
mbx = sc->ch_mbxsave = mbxin;
|
|
|
|
case SCD_S_BEGIN1:
|
|
/* get status */
|
|
mbx->count = RDELAY_WAIT;
|
|
|
|
process_attention(sc);
|
|
goto trystat;
|
|
|
|
case SCD_S_WAITSTAT:
|
|
sc->ch_state = SCD_S_WAITSTAT;
|
|
untimeout(scd_timeout, (caddr_t)sc, sc->ch);
|
|
if (mbx->count-- <= 0) {
|
|
device_printf(sc->dev, "timeout. drive busy.\n");
|
|
goto harderr;
|
|
}
|
|
|
|
trystat:
|
|
if (IS_BUSY(sc)) {
|
|
sc->ch_state = SCD_S_WAITSTAT;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
}
|
|
|
|
process_attention(sc);
|
|
|
|
/* reject, if audio active */
|
|
if (sc->data.audio_status & CD_AS_PLAY_IN_PROGRESS) {
|
|
device_printf(sc->dev, "audio is active\n");
|
|
goto harderr;
|
|
}
|
|
|
|
mbx->sz = sc->data.blksize;
|
|
|
|
/* for first block */
|
|
mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz;
|
|
mbx->skip = 0;
|
|
|
|
nextblock:
|
|
if (!(sc->data.flags & SCDVALID))
|
|
goto changed;
|
|
|
|
blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz;
|
|
|
|
XDEBUG(sc, 2, "scd_doread: read blknum=%d\n", blknum);
|
|
|
|
/* build parameter block */
|
|
hsg2msf(blknum, sdata);
|
|
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR);
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR);
|
|
|
|
if (FSTATUS_BIT(sc, FBIT_WPARAM_READY))
|
|
goto writeparam;
|
|
|
|
mbx->count = 100;
|
|
sc->ch_state = SCD_S_WAITFIFO;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
|
|
case SCD_S_WAITSPIN:
|
|
sc->ch_state = SCD_S_WAITSPIN;
|
|
untimeout(scd_timeout,(caddr_t)sc, sc->ch);
|
|
if (mbx->count-- <= 0) {
|
|
device_printf(sc->dev, "timeout waiting for drive to spin up.\n");
|
|
goto harderr;
|
|
}
|
|
if (!STATUS_BIT(sc, SBIT_RESULT_READY)) {
|
|
sc->ch_state = SCD_S_WAITSPIN;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
}
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
|
|
switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) {
|
|
case 0x20:
|
|
i = SCD_READ(sc, IREG_RESULT);
|
|
print_error(sc, i);
|
|
goto harderr;
|
|
case 0x00:
|
|
(void)SCD_READ(sc, IREG_RESULT);
|
|
sc->data.flags |= SCDSPINNING;
|
|
break;
|
|
}
|
|
XDEBUG(sc, 1, "DEBUG: spin up complete\n");
|
|
|
|
state = SCD_S_BEGIN1;
|
|
goto loop;
|
|
|
|
case SCD_S_WAITFIFO:
|
|
sc->ch_state = SCD_S_WAITFIFO;
|
|
untimeout(scd_timeout,(caddr_t)sc, sc->ch);
|
|
if (mbx->count-- <= 0) {
|
|
device_printf(sc->dev, "timeout. write param not ready.\n");
|
|
goto harderr;
|
|
}
|
|
if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) {
|
|
sc->ch_state = SCD_S_WAITFIFO;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc,hz/100); /* XXX */
|
|
return;
|
|
}
|
|
XDEBUG(sc, 1, "mbx->count (writeparamwait) = %d(%d)\n", mbx->count, 100);
|
|
|
|
writeparam:
|
|
/* The reason this test isn't done 'till now is to make sure */
|
|
/* that it is ok to send the SPIN_UP cmd below. */
|
|
if (!(sc->data.flags & SCDSPINNING)) {
|
|
XDEBUG(sc, 1, "spinning up drive ...\n");
|
|
SCD_WRITE(sc, OREG_COMMAND, CMD_SPIN_UP);
|
|
mbx->count = 300;
|
|
sc->ch_state = SCD_S_WAITSPIN;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
}
|
|
|
|
/* send the read command */
|
|
critical_enter();
|
|
SCD_WRITE(sc, OREG_WPARAMS, sdata[0]);
|
|
SCD_WRITE(sc, OREG_WPARAMS, sdata[1]);
|
|
SCD_WRITE(sc, OREG_WPARAMS, sdata[2]);
|
|
SCD_WRITE(sc, OREG_WPARAMS, 0);
|
|
SCD_WRITE(sc, OREG_WPARAMS, 0);
|
|
SCD_WRITE(sc, OREG_WPARAMS, 1);
|
|
SCD_WRITE(sc, OREG_COMMAND, CMD_READ);
|
|
critical_exit();
|
|
|
|
mbx->count = RDELAY_WAITREAD;
|
|
for (i = 0; i < 50; i++) {
|
|
if (STATUS_BIT(sc, SBIT_DATA_READY))
|
|
goto got_data;
|
|
DELAY(100);
|
|
}
|
|
|
|
sc->ch_state = SCD_S_WAITREAD;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
|
|
case SCD_S_WAITREAD:
|
|
sc->ch_state = SCD_S_WAITREAD;
|
|
untimeout(scd_timeout,(caddr_t)sc, sc->ch);
|
|
if (mbx->count-- <= 0) {
|
|
if (STATUS_BIT(sc, SBIT_RESULT_READY))
|
|
goto got_param;
|
|
device_printf(sc->dev, "timeout while reading data\n");
|
|
goto readerr;
|
|
}
|
|
if (!STATUS_BIT(sc, SBIT_DATA_READY)) {
|
|
process_attention(sc);
|
|
if (!(sc->data.flags & SCDVALID))
|
|
goto changed;
|
|
sc->ch_state = SCD_S_WAITREAD;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
}
|
|
XDEBUG(sc, 2, "mbx->count (after RDY_BIT) = %d(%d)\n", mbx->count, RDELAY_WAITREAD);
|
|
|
|
got_data:
|
|
/* data is ready */
|
|
addr = bp->bio_data + mbx->skip;
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR);
|
|
SCD_READ_MULTI(sc, IREG_DATA, addr, mbx->sz);
|
|
|
|
mbx->count = 100;
|
|
for (i = 0; i < 20; i++) {
|
|
if (STATUS_BIT(sc, SBIT_RESULT_READY))
|
|
goto waitfor_param;
|
|
DELAY(100);
|
|
}
|
|
goto waitfor_param;
|
|
|
|
case SCD_S_WAITPARAM:
|
|
sc->ch_state = SCD_S_WAITPARAM;
|
|
untimeout(scd_timeout,(caddr_t)sc, sc->ch);
|
|
if (mbx->count-- <= 0) {
|
|
device_printf(sc->dev, "timeout waiting for params\n");
|
|
goto readerr;
|
|
}
|
|
|
|
waitfor_param:
|
|
if (!STATUS_BIT(sc, SBIT_RESULT_READY)) {
|
|
sc->ch_state = SCD_S_WAITPARAM;
|
|
sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
}
|
|
#ifdef SCD_DEBUG
|
|
if (mbx->count < 100 && scd_debuglevel > 0)
|
|
device_printf(sc->dev, "mbx->count (paramwait) = %d(%d)\n", mbx->count, 100);
|
|
#endif
|
|
|
|
got_param:
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
|
|
switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) {
|
|
case 0x50:
|
|
switch (i) {
|
|
case ERR_FATAL_READ_ERROR1:
|
|
case ERR_FATAL_READ_ERROR2:
|
|
device_printf(sc->dev, "unrecoverable read error 0x%x\n", i);
|
|
goto harderr;
|
|
}
|
|
break;
|
|
case 0x20:
|
|
i = SCD_READ(sc, IREG_RESULT);
|
|
switch (i) {
|
|
case ERR_NOT_SPINNING:
|
|
XDEBUG(sc, 1, "read error: drive not spinning\n");
|
|
if (mbx->retry-- > 0) {
|
|
state = SCD_S_BEGIN1;
|
|
sc->data.flags &= ~SCDSPINNING;
|
|
goto loop;
|
|
}
|
|
goto harderr;
|
|
default:
|
|
print_error(sc, i);
|
|
goto readerr;
|
|
}
|
|
case 0x00:
|
|
i = SCD_READ(sc, IREG_RESULT);
|
|
break;
|
|
}
|
|
|
|
if (--mbx->nblk > 0) {
|
|
mbx->skip += mbx->sz;
|
|
goto nextblock;
|
|
}
|
|
|
|
/* return buffer */
|
|
bp->bio_resid = 0;
|
|
biodone(bp);
|
|
|
|
sc->data.flags &= ~SCDMBXBSY;
|
|
scd_start(sc);
|
|
return;
|
|
}
|
|
|
|
readerr:
|
|
if (mbx->retry-- > 0) {
|
|
device_printf(sc->dev, "retrying ...\n");
|
|
state = SCD_S_BEGIN1;
|
|
goto loop;
|
|
}
|
|
harderr:
|
|
/* invalidate the buffer */
|
|
bp->bio_error = EIO;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
bp->bio_resid = bp->bio_bcount;
|
|
biodone(bp);
|
|
|
|
sc->data.flags &= ~SCDMBXBSY;
|
|
scd_start(sc);
|
|
return;
|
|
|
|
changed:
|
|
device_printf(sc->dev, "media changed\n");
|
|
goto harderr;
|
|
}
|
|
|
|
static void
|
|
hsg2msf(int hsg, bcd_t *msf)
|
|
{
|
|
|
|
hsg += 150;
|
|
M_msf(msf) = bin2bcd(hsg / 4500);
|
|
hsg %= 4500;
|
|
S_msf(msf) = bin2bcd(hsg / 75);
|
|
F_msf(msf) = bin2bcd(hsg % 75);
|
|
}
|
|
|
|
static int
|
|
msf2hsg(bcd_t *msf)
|
|
{
|
|
|
|
return (bcd2bin(M_msf(msf)) * 60 +
|
|
bcd2bin(S_msf(msf))) * 75 +
|
|
bcd2bin(F_msf(msf)) - 150;
|
|
}
|
|
|
|
static void
|
|
process_attention(struct scd_softc *sc)
|
|
{
|
|
unsigned char code;
|
|
int count = 0;
|
|
|
|
while (IS_ATTENTION(sc) && count++ < 30) {
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_ATTENTION_CLEAR);
|
|
code = SCD_READ(sc, IREG_RESULT);
|
|
|
|
#ifdef SCD_DEBUG
|
|
if (scd_debuglevel > 0) {
|
|
if (count == 1)
|
|
device_printf(sc->dev, "DEBUG: ATTENTIONS = 0x%x", code);
|
|
else
|
|
printf(",0x%x", code);
|
|
}
|
|
#endif
|
|
|
|
switch (code) {
|
|
case ATTEN_SPIN_DOWN:
|
|
sc->data.flags &= ~SCDSPINNING;
|
|
break;
|
|
|
|
case ATTEN_SPIN_UP_DONE:
|
|
sc->data.flags |= SCDSPINNING;
|
|
break;
|
|
|
|
case ATTEN_AUDIO_DONE:
|
|
sc->data.audio_status = CD_AS_PLAY_COMPLETED;
|
|
break;
|
|
|
|
case ATTEN_DRIVE_LOADED:
|
|
sc->data.flags &= ~(SCDTOC|SCDSPINNING|SCDVALID);
|
|
sc->data.audio_status = CD_AS_AUDIO_INVALID;
|
|
break;
|
|
|
|
case ATTEN_EJECT_PUSHED:
|
|
sc->data.flags &= ~SCDVALID;
|
|
break;
|
|
}
|
|
DELAY(100);
|
|
}
|
|
#ifdef SCD_DEBUG
|
|
if (scd_debuglevel > 0 && count > 0)
|
|
printf("\n");
|
|
#endif
|
|
}
|
|
|
|
/* Returns 0 OR sony error code */
|
|
static int
|
|
spin_up(struct scd_softc *sc)
|
|
{
|
|
unsigned char res_reg[12];
|
|
unsigned int res_size;
|
|
int rc;
|
|
int loop_count = 0;
|
|
|
|
again:
|
|
rc = send_cmd(sc, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
|
|
if (rc != 0) {
|
|
XDEBUG(sc, 2, "CMD_SPIN_UP error 0x%x\n", rc);
|
|
return (rc);
|
|
}
|
|
|
|
if (!(sc->data.flags & SCDTOC)) {
|
|
rc = send_cmd(sc, CMD_READ_TOC, 0);
|
|
if (rc == ERR_NOT_SPINNING) {
|
|
if (loop_count++ < 3)
|
|
goto again;
|
|
return (rc);
|
|
}
|
|
if (rc != 0)
|
|
return (rc);
|
|
}
|
|
|
|
sc->data.flags |= SCDSPINNING;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static struct sony_tracklist *
|
|
get_tl(struct sony_toc *toc, int size)
|
|
{
|
|
struct sony_tracklist *tl = &toc->tracks[0];
|
|
|
|
if (tl->track != 0xb0)
|
|
return (tl);
|
|
(char *)tl += 9;
|
|
if (tl->track != 0xb1)
|
|
return (tl);
|
|
(char *)tl += 9;
|
|
if (tl->track != 0xb2)
|
|
return (tl);
|
|
(char *)tl += 9;
|
|
if (tl->track != 0xb3)
|
|
return (tl);
|
|
(char *)tl += 9;
|
|
if (tl->track != 0xb4)
|
|
return (tl);
|
|
(char *)tl += 9;
|
|
if (tl->track != 0xc0)
|
|
return (tl);
|
|
(char *)tl += 9;
|
|
return (tl);
|
|
}
|
|
|
|
static int
|
|
read_toc(struct scd_softc *sc)
|
|
{
|
|
struct sony_toc toc;
|
|
struct sony_tracklist *tl;
|
|
int rc, i, j;
|
|
u_long first, last;
|
|
|
|
rc = send_cmd(sc, CMD_GET_TOC, 1, 1);
|
|
if (rc < 0)
|
|
return (rc);
|
|
if (rc > sizeof(toc)) {
|
|
device_printf(sc->dev, "program error: toc too large (%d)\n", rc);
|
|
return (EIO);
|
|
}
|
|
if (get_result(sc, rc, (u_char *)&toc) != 0)
|
|
return (EIO);
|
|
|
|
XDEBUG(sc, 1, "toc read. len = %d, sizeof(toc) = %d\n", rc, sizeof(toc));
|
|
|
|
tl = get_tl(&toc, rc);
|
|
first = msf2hsg(tl->start_msf);
|
|
last = msf2hsg(toc.lead_out_start_msf);
|
|
sc->data.blksize = SCDBLKSIZE;
|
|
sc->data.disksize = last*sc->data.blksize/DEV_BSIZE;
|
|
|
|
XDEBUG(sc, 1, "firstsector = %ld, lastsector = %ld", first, last);
|
|
|
|
sc->data.first_track = bcd2bin(toc.first_track);
|
|
sc->data.last_track = bcd2bin(toc.last_track);
|
|
if (sc->data.last_track > (MAX_TRACKS-2))
|
|
sc->data.last_track = MAX_TRACKS-2;
|
|
for (j = 0, i = sc->data.first_track; i <= sc->data.last_track; i++, j++) {
|
|
sc->data.toc[i].adr = tl[j].adr;
|
|
sc->data.toc[i].ctl = tl[j].ctl; /* for xcdplayer */
|
|
bcopy(tl[j].start_msf, sc->data.toc[i].start_msf, 3);
|
|
#ifdef SCD_DEBUG
|
|
if (scd_debuglevel > 0) {
|
|
if ((j % 3) == 0) {
|
|
printf("\n");
|
|
device_printf(sc->dev, "tracks ");
|
|
}
|
|
printf("[%03d: %2d %2d %2d] ", i,
|
|
bcd2bin(sc->data.toc[i].start_msf[0]),
|
|
bcd2bin(sc->data.toc[i].start_msf[1]),
|
|
bcd2bin(sc->data.toc[i].start_msf[2]));
|
|
}
|
|
#endif
|
|
}
|
|
bcopy(toc.lead_out_start_msf, sc->data.toc[sc->data.last_track+1].start_msf, 3);
|
|
#ifdef SCD_DEBUG
|
|
if (scd_debuglevel > 0) {
|
|
i = sc->data.last_track+1;
|
|
printf("[END: %2d %2d %2d]\n",
|
|
bcd2bin(sc->data.toc[i].start_msf[0]),
|
|
bcd2bin(sc->data.toc[i].start_msf[1]),
|
|
bcd2bin(sc->data.toc[i].start_msf[2]));
|
|
}
|
|
#endif
|
|
|
|
sc->data.flags |= SCDTOC;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
init_drive(struct scd_softc *sc)
|
|
{
|
|
int rc;
|
|
|
|
rc = send_cmd(sc, CMD_SET_DRIVE_PARAM, 2,
|
|
0x05, 0x03 | ((sc->data.double_speed) ? 0x04: 0));
|
|
if (rc != 0)
|
|
device_printf(sc->dev, "Unable to set parameters. Errcode = 0x%x\n", rc);
|
|
}
|
|
|
|
/* Returns 0 or errno */
|
|
static int
|
|
get_result(struct scd_softc *sc, int result_len, u_char *result)
|
|
{
|
|
int loop_index = 2; /* send_cmd() reads two bytes ... */
|
|
|
|
XDEBUG(sc, 1, "DEBUG: get_result: bytes=%d\n", result_len);
|
|
|
|
while (result_len-- > 0) {
|
|
if (loop_index++ >= 10) {
|
|
loop_index = 1;
|
|
if (waitfor_status_bits(sc, SBIT_RESULT_READY, 0))
|
|
return (EIO);
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
|
|
}
|
|
if (result)
|
|
*result++ = SCD_READ(sc, IREG_RESULT);
|
|
else
|
|
(void)SCD_READ(sc, IREG_RESULT);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */
|
|
static int
|
|
send_cmd(struct scd_softc *sc, u_char cmd, u_int nargs, ...)
|
|
{
|
|
va_list ap;
|
|
u_char c;
|
|
int rc;
|
|
int i;
|
|
|
|
if (waitfor_status_bits(sc, 0, SBIT_BUSY)) {
|
|
device_printf(sc->dev, "drive busy\n");
|
|
return (-0x100);
|
|
}
|
|
|
|
XDEBUG(sc, 1, "DEBUG: send_cmd: cmd=0x%x nargs=%d", cmd, nargs);
|
|
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR);
|
|
|
|
for (i = 0; i < 100; i++)
|
|
if (FSTATUS_BIT(sc, FBIT_WPARAM_READY))
|
|
break;
|
|
if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) {
|
|
XDEBUG(sc, 1, "\nwparam timeout\n");
|
|
return (-EIO);
|
|
}
|
|
|
|
va_start(ap, nargs);
|
|
for (i = 0; i < nargs; i++) {
|
|
c = (u_char)va_arg(ap, int);
|
|
SCD_WRITE(sc, OREG_WPARAMS, c);
|
|
XDEBUG(sc, 1, ",{0x%x}", c);
|
|
}
|
|
va_end(ap);
|
|
XDEBUG(sc, 1, "\n");
|
|
|
|
SCD_WRITE(sc, OREG_COMMAND, cmd);
|
|
|
|
rc = waitfor_status_bits(sc, SBIT_RESULT_READY, SBIT_BUSY);
|
|
if (rc)
|
|
return (-0x100);
|
|
|
|
SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR);
|
|
switch ((rc = SCD_READ(sc, IREG_RESULT)) & 0xf0) {
|
|
case 0x20:
|
|
rc = SCD_READ(sc, IREG_RESULT);
|
|
/* FALLTHROUGH */
|
|
case 0x50:
|
|
XDEBUG(sc, 1, "DEBUG: send_cmd: drive_error=0x%x\n", rc);
|
|
return (-rc);
|
|
case 0x00:
|
|
default:
|
|
rc = SCD_READ(sc, IREG_RESULT);
|
|
XDEBUG(sc, 1, "DEBUG: send_cmd: result_len=%d\n", rc);
|
|
return (rc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_error(struct scd_softc *sc, int errcode)
|
|
{
|
|
|
|
switch (errcode) {
|
|
case -ERR_CD_NOT_LOADED:
|
|
device_printf(sc->dev, "door is open\n");
|
|
break;
|
|
case -ERR_NO_CD_INSIDE:
|
|
device_printf(sc->dev, "no cd inside\n");
|
|
break;
|
|
default:
|
|
if (errcode == -0x100 || errcode > 0)
|
|
device_printf(sc->dev, "device timeout\n");
|
|
else
|
|
device_printf(sc->dev, "unexpected error 0x%x\n", -errcode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Returns 0 or errno value */
|
|
static int
|
|
waitfor_status_bits(struct scd_softc *sc, int bits_set, int bits_clear)
|
|
{
|
|
u_int flags = sc->data.flags;
|
|
u_int max_loop;
|
|
u_char c = 0;
|
|
|
|
if (flags & SCDPROBING) {
|
|
max_loop = 0;
|
|
while (max_loop++ < 1000) {
|
|
c = SCD_READ(sc, IREG_STATUS);
|
|
if (c == 0xff)
|
|
return (EIO);
|
|
if (c & SBIT_ATTENTION) {
|
|
process_attention(sc);
|
|
continue;
|
|
}
|
|
if ((c & bits_set) == bits_set &&
|
|
(c & bits_clear) == 0)
|
|
{
|
|
break;
|
|
}
|
|
DELAY(10000);
|
|
}
|
|
} else {
|
|
max_loop = 100;
|
|
while (max_loop-- > 0) {
|
|
c = SCD_READ(sc, IREG_STATUS);
|
|
if (c & SBIT_ATTENTION) {
|
|
process_attention(sc);
|
|
continue;
|
|
}
|
|
if ((c & bits_set) == bits_set &&
|
|
(c & bits_clear) == 0)
|
|
{
|
|
break;
|
|
}
|
|
tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10);
|
|
}
|
|
}
|
|
if ((c & bits_set) == bits_set &&
|
|
(c & bits_clear) == 0)
|
|
{
|
|
return (0);
|
|
}
|
|
#ifdef SCD_DEBUG
|
|
if (scd_debuglevel > 0)
|
|
device_printf(sc->dev, "DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", c, bits_set, bits_clear);
|
|
else
|
|
#endif
|
|
device_printf(sc->dev, "timeout.\n");
|
|
return (EIO);
|
|
}
|
|
|
|
/* these two routines for xcdplayer - "borrowed" from mcd.c */
|
|
static int
|
|
scd_toc_header (struct scd_softc *sc, struct ioc_toc_header* th)
|
|
{
|
|
int rc;
|
|
|
|
if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
|
|
print_error(sc, rc);
|
|
return (EIO);
|
|
}
|
|
|
|
th->starting_track = sc->data.first_track;
|
|
th->ending_track = sc->data.last_track;
|
|
th->len = 0; /* not used */
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
scd_toc_entrys (struct scd_softc *sc, struct ioc_read_toc_entry *te)
|
|
{
|
|
struct cd_toc_entry toc_entry;
|
|
int rc, i, len = te->data_len;
|
|
|
|
if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
|
|
print_error(sc, rc);
|
|
return (EIO);
|
|
}
|
|
|
|
/* find the toc to copy*/
|
|
i = te->starting_track;
|
|
if (i == SCD_LASTPLUS1)
|
|
i = sc->data.last_track + 1;
|
|
|
|
/* verify starting track */
|
|
if (i < sc->data.first_track || i > sc->data.last_track+1)
|
|
return (EINVAL);
|
|
|
|
/* valid length ? */
|
|
if (len < sizeof(struct cd_toc_entry)
|
|
|| (len % sizeof(struct cd_toc_entry)) != 0)
|
|
return (EINVAL);
|
|
|
|
/* copy the toc data */
|
|
toc_entry.control = sc->data.toc[i].ctl;
|
|
toc_entry.addr_type = te->address_format;
|
|
toc_entry.track = i;
|
|
if (te->address_format == CD_MSF_FORMAT) {
|
|
toc_entry.addr.msf.unused = 0;
|
|
toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]);
|
|
toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]);
|
|
toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]);
|
|
}
|
|
|
|
/* copy the data back */
|
|
if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0)
|
|
return (EFAULT);
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
static int
|
|
scd_toc_entry (struct scd_softc *sc, struct ioc_read_toc_single_entry *te)
|
|
{
|
|
struct cd_toc_entry toc_entry;
|
|
int rc, i;
|
|
|
|
if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) {
|
|
print_error(sc, rc);
|
|
return (EIO);
|
|
}
|
|
|
|
/* find the toc to copy*/
|
|
i = te->track;
|
|
if (i == SCD_LASTPLUS1)
|
|
i = sc->data.last_track + 1;
|
|
|
|
/* verify starting track */
|
|
if (i < sc->data.first_track || i > sc->data.last_track+1)
|
|
return (EINVAL);
|
|
|
|
/* copy the toc data */
|
|
toc_entry.control = sc->data.toc[i].ctl;
|
|
toc_entry.addr_type = te->address_format;
|
|
toc_entry.track = i;
|
|
if (te->address_format == CD_MSF_FORMAT) {
|
|
toc_entry.addr.msf.unused = 0;
|
|
toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]);
|
|
toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]);
|
|
toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]);
|
|
}
|
|
|
|
/* copy the data back */
|
|
bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry));
|
|
|
|
return (0);
|
|
}
|