1602 lines
40 KiB
C
1602 lines
40 KiB
C
/*
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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) 1994-1995 by Andrey A. Chernov, Moscow, Russia
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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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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This software was developed by Holger Veit and Brian Moore
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* for use with "386BSD" and similar operating systems.
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* "Similar operating systems" includes mainly non-profit oriented
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* systems for research and education, including but not restricted to
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* "NetBSD", "FreeBSD", "Mach" (by CMU).
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* 4. Neither the name of the developer(s) nor the name "386BSD"
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* 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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static const char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
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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/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/mcd/mcdreg.h>
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#include <dev/mcd/mcdvar.h>
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#define MCD_TRACE(format, args...) \
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{ \
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if (sc->debug) { \
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device_printf(sc->dev, "status=0x%02x: ", \
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sc->data.status); \
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printf(format, ## args); \
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} \
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}
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#define RAW_PART 2
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/* flags */
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#define MCDVALID 0x0001 /* parameters loaded */
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#define MCDINIT 0x0002 /* device is init'd */
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#define MCDNEWMODEL 0x0004 /* device is new model */
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#define MCDLABEL 0x0008 /* label is read */
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#define MCDPROBING 0x0010 /* probing */
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#define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
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#define MCDVOLINFO 0x0040 /* already read volinfo */
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#define MCDTOC 0x0080 /* already read toc */
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#define MCDMBXBSY 0x0100 /* local mbx is busy */
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/* status */
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#define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
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#define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
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#define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
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#define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
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/* These are apparently the different states a mitsumi can get up to */
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#define MCDCDABSENT 0x0030
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#define MCDCDPRESENT 0x0020
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#define MCDSCLOSED 0x0080
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#define MCDSOPEN 0x00a0
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#define MCD_MD_UNKNOWN (-1)
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#define MCD_TYPE_UNKNOWN 0
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#define MCD_TYPE_LU002S 1
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#define MCD_TYPE_LU005S 2
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#define MCD_TYPE_LU006S 3
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#define MCD_TYPE_FX001 4
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#define MCD_TYPE_FX001D 5
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/* reader state machine */
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#define MCD_S_BEGIN 0
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#define MCD_S_BEGIN1 1
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#define MCD_S_WAITSTAT 2
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#define MCD_S_WAITMODE 3
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#define MCD_S_WAITREAD 4
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/* prototypes */
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static void mcd_start(struct mcd_softc *);
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#ifdef NOTYET
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static void mcd_configure(struct mcd_softc *sc);
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#endif
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static int mcd_get(struct mcd_softc *, char *buf, int nmax);
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static int mcd_setflags(struct mcd_softc *);
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static int mcd_getstat(struct mcd_softc *,int sflg);
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static int mcd_send(struct mcd_softc *, int cmd,int nretrys);
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static void hsg2msf(int hsg, bcd_t *msf);
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static int msf2hsg(bcd_t *msf, int relative);
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static int mcd_volinfo(struct mcd_softc *);
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static int mcd_waitrdy(struct mcd_softc *,int dly);
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static timeout_t mcd_timeout;
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static void mcd_doread(struct mcd_softc *, int state, struct mcd_mbx *mbxin);
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static void mcd_soft_reset(struct mcd_softc *);
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static int mcd_hard_reset(struct mcd_softc *);
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static int mcd_setmode(struct mcd_softc *, int mode);
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static int mcd_getqchan(struct mcd_softc *, struct mcd_qchninfo *q);
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static int mcd_subchan(struct mcd_softc *, struct ioc_read_subchannel *sc);
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static int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *th);
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static int mcd_read_toc(struct mcd_softc *);
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static int mcd_toc_entrys(struct mcd_softc *, struct ioc_read_toc_entry *te);
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#if 0
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static int mcd_toc_entry(struct mcd_softc *, struct ioc_read_toc_single_entry *te);
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#endif
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static int mcd_stop(struct mcd_softc *);
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static int mcd_eject(struct mcd_softc *);
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static int mcd_inject(struct mcd_softc *);
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static int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *pt);
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static int mcd_play(struct mcd_softc *, struct mcd_read2 *pb);
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static int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *pt);
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static int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *);
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static int mcd_pause(struct mcd_softc *);
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static int mcd_resume(struct mcd_softc *);
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static int mcd_lock_door(struct mcd_softc *, int lock);
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static int mcd_close_tray(struct mcd_softc *);
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static int mcd_size(dev_t dev);
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static d_open_t mcdopen;
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static d_close_t mcdclose;
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static d_ioctl_t mcdioctl;
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static d_strategy_t mcdstrategy;
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#define CDEV_MAJOR 29
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static struct cdevsw mcd_cdevsw = {
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.d_open = mcdopen,
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.d_close = mcdclose,
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.d_read = physread,
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.d_ioctl = mcdioctl,
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.d_strategy = mcdstrategy,
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.d_name = "mcd",
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.d_maj = CDEV_MAJOR,
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.d_flags = D_DISK,
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};
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#define MCD_RETRYS 5
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#define MCD_RDRETRYS 8
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#define CLOSE_TRAY_SECS 8
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#define DISK_SENSE_SECS 3
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#define WAIT_FRAC 4
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/* several delays */
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#define RDELAY_WAITSTAT 300
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#define RDELAY_WAITMODE 300
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#define RDELAY_WAITREAD 800
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#define MIN_DELAY 15
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#define DELAY_GETREPLY 5000000
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int
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mcd_attach(struct mcd_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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sc->data.flags |= MCDINIT;
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mcd_soft_reset(sc);
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bioq_init(&sc->data.head);
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#ifdef NOTYET
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/* wire controller for interrupts and dma */
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mcd_configure(sc);
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#endif
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/* name filled in probe */
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sc->mcd_dev_t = make_dev(&mcd_cdevsw, 8 * unit,
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UID_ROOT, GID_OPERATOR, 0640, "mcd%d", unit);
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sc->mcd_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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mcdopen(dev_t dev, int flags, int fmt, struct thread *td)
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{
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struct mcd_softc *sc;
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int r,retry;
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sc = (struct mcd_softc *)dev->si_drv1;
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/* not initialized*/
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if (!(sc->data.flags & MCDINIT))
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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.flags & MCDVALID) && sc->data.openflags)
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return (ENXIO);
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if (mcd_getstat(sc, 1) == -1)
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return (EIO);
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if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
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|| !(sc->data.status & MCDDSKIN))
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for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
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(void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdsn1", hz/WAIT_FRAC);
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if ((r = mcd_getstat(sc, 1)) == -1)
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return (EIO);
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if (r != -2)
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break;
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}
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if (sc->data.status & MCDDOOROPEN) {
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device_printf(sc->dev, "door is open\n");
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return (ENXIO);
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}
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if (!(sc->data.status & MCDDSKIN)) {
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device_printf(sc->dev, "no CD inside\n");
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return (ENXIO);
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}
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if (sc->data.status & MCDDSKCHNG) {
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device_printf(sc->dev, "CD not sensed\n");
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return (ENXIO);
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}
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if (mcd_size(dev) < 0) {
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device_printf(sc->dev, "failed to get disk size\n");
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return (ENXIO);
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}
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dev->si_bsize_phys = sc->data.blksize;
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sc->data.openflags = 1;
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sc->data.partflags |= MCDREADRAW;
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sc->data.flags |= MCDVALID;
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(void) mcd_lock_door(sc, MCD_LK_LOCK);
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if (!(sc->data.flags & MCDVALID))
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return (ENXIO);
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return mcd_read_toc(sc);
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}
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static int
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mcdclose(dev_t dev, int flags, int fmt, struct thread *td)
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{
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struct mcd_softc *sc;
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sc = (struct mcd_softc *)dev->si_drv1;
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if (!(sc->data.flags & MCDINIT) || !sc->data.openflags)
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return (ENXIO);
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(void) mcd_lock_door(sc, MCD_LK_UNLOCK);
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sc->data.openflags = 0;
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sc->data.partflags &= ~MCDREADRAW;
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return (0);
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}
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static void
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mcdstrategy(struct bio *bp)
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{
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struct mcd_softc *sc;
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int s;
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sc = (struct mcd_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 & MCDVALID)) {
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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 & MCDTOC)) {
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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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mcd_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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mcd_start(struct mcd_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 & MCDMBXBSY) {
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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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/*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
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bioq_remove(&sc->data.head, bp);
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sc->data.flags |= MCDMBXBSY;
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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 = MCD_RETRYS;
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sc->data.mbx.bp = bp;
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mcd_doread(sc, MCD_S_BEGIN,&(sc->data.mbx));
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return;
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}
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static int
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mcdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
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{
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struct mcd_softc *sc;
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int retry,r;
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sc = (struct mcd_softc *)dev->si_drv1;
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if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
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return (EIO);
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MCD_TRACE("ioctl called 0x%lx\n", cmd);
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switch (cmd) {
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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 CDIOCEJECT:
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return mcd_eject(sc);
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case CDIOCSETDEBUG:
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sc->data.debug = 1;
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return (0);
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case CDIOCCLRDEBUG:
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sc->data.debug = 0;
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return (0);
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case CDIOCRESET:
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return mcd_hard_reset(sc);
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case CDIOCALLOW:
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return mcd_lock_door(sc, MCD_LK_UNLOCK);
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case CDIOCPREVENT:
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return mcd_lock_door(sc, MCD_LK_LOCK);
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case CDIOCCLOSE:
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return mcd_inject(sc);
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}
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if (!(sc->data.flags & MCDVALID)) {
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if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
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|| !(sc->data.status & MCDDSKIN))
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for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
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(void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdsn2", hz/WAIT_FRAC);
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if ((r = mcd_getstat(sc, 1)) == -1)
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return (EIO);
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if (r != -2)
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break;
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}
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if ( (sc->data.status & (MCDDOOROPEN|MCDDSKCHNG))
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|| !(sc->data.status & MCDDSKIN)
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|| mcd_size(dev) < 0
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)
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return (ENXIO);
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sc->data.flags |= MCDVALID;
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sc->data.partflags |= MCDREADRAW;
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(void) mcd_lock_door(sc, MCD_LK_LOCK);
|
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if (!(sc->data.flags & MCDVALID))
|
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return (ENXIO);
|
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}
|
|
|
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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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case DIOCGSECTORSIZE:
|
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*(u_int *)addr = sc->data.blksize;
|
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return (0);
|
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|
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case CDIOCPLAYTRACKS:
|
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return mcd_playtracks(sc, (struct ioc_play_track *) addr);
|
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case CDIOCPLAYBLOCKS:
|
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return mcd_playblocks(sc, (struct ioc_play_blocks *) addr);
|
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case CDIOCPLAYMSF:
|
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return mcd_playmsf(sc, (struct ioc_play_msf *) addr);
|
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case CDIOCREADSUBCHANNEL:
|
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return mcd_subchan(sc, (struct ioc_read_subchannel *) addr);
|
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case CDIOREADTOCHEADER:
|
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return mcd_toc_header(sc, (struct ioc_toc_header *) addr);
|
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case CDIOREADTOCENTRYS:
|
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return mcd_toc_entrys(sc, (struct ioc_read_toc_entry *) addr);
|
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case CDIOCRESUME:
|
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return mcd_resume(sc);
|
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case CDIOCPAUSE:
|
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return mcd_pause(sc);
|
|
case CDIOCSTART:
|
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if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
|
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return (EIO);
|
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return (0);
|
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case CDIOCSTOP:
|
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return mcd_stop(sc);
|
|
default:
|
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return (ENOTTY);
|
|
}
|
|
/*NOTREACHED*/
|
|
}
|
|
|
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static int
|
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mcd_size(dev_t dev)
|
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{
|
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struct mcd_softc *sc;
|
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int size;
|
|
|
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sc = (struct mcd_softc *)dev->si_drv1;
|
|
|
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if (mcd_volinfo(sc) == 0) {
|
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sc->data.blksize = MCDBLK;
|
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size = msf2hsg(sc->data.volinfo.vol_msf, 0);
|
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sc->data.disksize = size * (MCDBLK/DEV_BSIZE);
|
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return (0);
|
|
}
|
|
return (-1);
|
|
}
|
|
|
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/***************************************************************
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* lower level of driver starts here
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**************************************************************/
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#ifdef NOTDEF
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static char
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irqs[] = {
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0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
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0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
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};
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static char
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drqs[] = {
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0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
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};
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#endif
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#ifdef NOT_YET
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static void
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mcd_configure(struct mcd_softc *sc)
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{
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MCD_WRITE(sc, MCD_REG_CONFIG, sc->data.config);
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}
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#endif
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/* Wait for non-busy - return 0 on timeout */
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static int
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twiddle_thumbs(struct mcd_softc *sc, int count, char *whine)
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{
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int i;
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for (i = 0; i < count; i++) {
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if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
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return (1);
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}
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if (bootverbose)
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device_printf(sc->dev, "timeout %s\n", whine);
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return (0);
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}
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/* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
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int
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mcd_probe(struct mcd_softc *sc)
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{
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int i, j;
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unsigned char stbytes[3];
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sc->data.flags = MCDPROBING;
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#ifdef NOTDEF
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/* get irq/drq configuration word */
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sc->data.config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
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#else
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sc->data.config = 0;
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#endif
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/* send a reset */
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MCD_WRITE(sc, MCD_FLAGS, M_RESET);
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/*
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* delay awhile by getting any pending garbage (old data) and
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* throwing it away.
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*/
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for (i = 1000000; i != 0; i--)
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(void)MCD_READ(sc, MCD_FLAGS);
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/* Get status */
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MCD_WRITE(sc, MCD_DATA, MCD_CMDGETSTAT);
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if (!twiddle_thumbs(sc, 1000000, "getting status"))
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return (ENXIO); /* Timeout */
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/* Get version information */
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MCD_WRITE(sc, MCD_DATA, MCD_CMDCONTINFO);
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for (j = 0; j < 3; j++) {
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if (!twiddle_thumbs(sc, 3000, "getting version info"))
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return (ENXIO);
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stbytes[j] = (MCD_READ(sc, MCD_DATA) & 0xFF);
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}
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if (stbytes[1] == stbytes[2])
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return (ENXIO);
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if (stbytes[2] >= 4 || stbytes[1] != 'M') {
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MCD_WRITE(sc, MCD_CTRL, M_PICKLE);
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sc->data.flags |= MCDNEWMODEL;
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}
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sc->data.read_command = MCD_CMDSINGLESPEEDREAD;
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switch (stbytes[1]) {
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case 'M':
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if (stbytes[2] <= 2) {
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sc->data.type = MCD_TYPE_LU002S;
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sc->data.name = "Mitsumi LU002S";
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} else if (stbytes[2] <= 5) {
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sc->data.type = MCD_TYPE_LU005S;
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sc->data.name = "Mitsumi LU005S";
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} else {
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sc->data.type = MCD_TYPE_LU006S;
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sc->data.name = "Mitsumi LU006S";
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}
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break;
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case 'F':
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sc->data.type = MCD_TYPE_FX001;
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sc->data.name = "Mitsumi FX001";
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break;
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case 'D':
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sc->data.type = MCD_TYPE_FX001D;
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sc->data.name = "Mitsumi FX001D";
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sc->data.read_command = MCD_CMDDOUBLESPEEDREAD;
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break;
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default:
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sc->data.type = MCD_TYPE_UNKNOWN;
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sc->data.name = "Mitsumi ???";
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break;
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}
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if (bootverbose)
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device_printf(sc->dev, "type %s, version info: %c %x\n",
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sc->data.name, stbytes[1], stbytes[2]);
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return (0);
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}
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static int
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mcd_waitrdy(struct mcd_softc *sc, int dly)
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{
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int i;
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/* wait until flag port senses status ready */
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for (i=0; i<dly; i+=MIN_DELAY) {
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if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
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return (0);
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DELAY(MIN_DELAY);
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}
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return (-1);
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}
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static int
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mcd_getreply(struct mcd_softc *sc, int dly)
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{
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/* wait data to become ready */
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if (mcd_waitrdy(sc, dly)<0) {
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device_printf(sc->dev, "timeout getreply\n");
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return (-1);
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}
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/* get the data */
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return (MCD_READ(sc, MCD_REG_STATUS) & 0xFF);
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}
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static int
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mcd_getstat(struct mcd_softc *sc, int sflg)
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{
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int i;
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/* get the status */
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if (sflg)
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MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
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i = mcd_getreply(sc, DELAY_GETREPLY);
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if (i<0 || (i & MCD_ST_CMDCHECK)) {
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sc->data.curr_mode = MCD_MD_UNKNOWN;
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return (-1);
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}
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sc->data.status = i;
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if (mcd_setflags(sc) < 0)
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return (-2);
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return (sc->data.status);
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}
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static int
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mcd_setflags(struct mcd_softc *sc)
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{
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/* check flags */
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if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
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|| !(sc->data.status & MCDDSKIN)) {
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MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
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mcd_soft_reset(sc);
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return (-1);
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}
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if (sc->data.status & MCDAUDIOBSY)
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sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
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else if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS)
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sc->data.audio_status = CD_AS_PLAY_COMPLETED;
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return (0);
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}
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static int
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mcd_get(struct mcd_softc *sc, char *buf, int nmax)
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{
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int i,k;
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for (i=0; i<nmax; i++) {
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/* wait for data */
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if ((k = mcd_getreply(sc, DELAY_GETREPLY)) < 0) {
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device_printf(sc->dev, "timeout mcd_get\n");
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return (-1);
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}
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buf[i] = k;
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}
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return (i);
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}
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static int
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mcd_send(struct mcd_softc *sc, int cmd,int nretrys)
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{
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int i,k=0;
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/*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
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for (i=0; i<nretrys; i++) {
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MCD_WRITE(sc, MCD_REG_COMMAND, cmd);
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if ((k=mcd_getstat(sc, 0)) != -1)
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break;
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}
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if (k == -2) {
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device_printf(sc->dev, "media changed\n");
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return (-1);
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}
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if (i == nretrys) {
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device_printf(sc->dev, "mcd_send retry cnt exceeded\n");
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return (-1);
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}
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/*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
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return (0);
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}
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static void
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hsg2msf(int hsg, bcd_t *msf)
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{
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hsg += 150;
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F_msf(msf) = bin2bcd(hsg % 75);
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hsg /= 75;
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S_msf(msf) = bin2bcd(hsg % 60);
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hsg /= 60;
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M_msf(msf) = bin2bcd(hsg);
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}
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static int
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msf2hsg(bcd_t *msf, int relative)
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{
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return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
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bcd2bin(F_msf(msf)) - (!relative) * 150;
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}
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static int
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mcd_volinfo(struct mcd_softc *sc)
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{
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/* Just return if we already have it */
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if (sc->data.flags & MCDVOLINFO) return (0);
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/*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
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/* send volume info command */
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if (mcd_send(sc, MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
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return (EIO);
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/* get data */
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if (mcd_get(sc, (char*) &sc->data.volinfo,sizeof(struct mcd_volinfo)) < 0) {
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device_printf(sc->dev, "mcd_volinfo: error read data\n");
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return (EIO);
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}
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if (sc->data.volinfo.trk_low > 0 &&
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sc->data.volinfo.trk_high >= sc->data.volinfo.trk_low
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) {
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sc->data.flags |= MCDVOLINFO; /* volinfo is OK */
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return (0);
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}
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return (EINVAL);
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}
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/* state machine to process read requests
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* initialize with MCD_S_BEGIN: calculate sizes, and read status
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* MCD_S_WAITSTAT: wait for status reply, set mode
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* MCD_S_WAITMODE: waits for status reply from set mode, set read command
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* MCD_S_WAITREAD: wait for read ready, read data
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*/
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static void
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mcd_timeout(void *arg)
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{
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struct mcd_softc *sc;
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sc = (struct mcd_softc *)arg;
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|
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mcd_doread(sc, sc->ch_state, sc->ch_mbxsave);
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}
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|
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static void
|
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mcd_doread(struct mcd_softc *sc, int state, struct mcd_mbx *mbxin)
|
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{
|
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struct mcd_mbx *mbx;
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struct bio *bp;
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int rm, i, k;
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struct mcd_read2 rbuf;
|
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int blknum;
|
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caddr_t addr;
|
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|
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mbx = (state!=MCD_S_BEGIN) ? sc->ch_mbxsave : mbxin;
|
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bp = mbx->bp;
|
|
|
|
loop:
|
|
switch (state) {
|
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case MCD_S_BEGIN:
|
|
mbx = sc->ch_mbxsave = mbxin;
|
|
|
|
case MCD_S_BEGIN1:
|
|
retry_status:
|
|
/* get status */
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
|
|
mbx->count = RDELAY_WAITSTAT;
|
|
sc->ch_state = MCD_S_WAITSTAT;
|
|
sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
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case MCD_S_WAITSTAT:
|
|
sc->ch_state = MCD_S_WAITSTAT;
|
|
untimeout(mcd_timeout,(caddr_t)sc, sc->ch);
|
|
if (mbx->count-- >= 0) {
|
|
if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
|
|
sc->ch_state = MCD_S_WAITSTAT;
|
|
timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
}
|
|
sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
|
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if (sc->data.status & MCD_ST_CMDCHECK)
|
|
goto retry_status;
|
|
if (mcd_setflags(sc) < 0)
|
|
goto changed;
|
|
MCD_TRACE("got WAITSTAT delay=%d\n",
|
|
RDELAY_WAITSTAT-mbx->count);
|
|
/* reject, if audio active */
|
|
if (sc->data.status & MCDAUDIOBSY) {
|
|
device_printf(sc->dev, "audio is active\n");
|
|
goto readerr;
|
|
}
|
|
|
|
retry_mode:
|
|
/* to check for raw/cooked mode */
|
|
if (sc->data.flags & MCDREADRAW) {
|
|
rm = MCD_MD_RAW;
|
|
mbx->sz = MCDRBLK;
|
|
} else {
|
|
rm = MCD_MD_COOKED;
|
|
mbx->sz = sc->data.blksize;
|
|
}
|
|
|
|
if (rm == sc->data.curr_mode)
|
|
goto modedone;
|
|
|
|
mbx->count = RDELAY_WAITMODE;
|
|
|
|
sc->data.curr_mode = MCD_MD_UNKNOWN;
|
|
mbx->mode = rm;
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, rm);
|
|
|
|
sc->ch_state = MCD_S_WAITMODE;
|
|
sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
} else {
|
|
device_printf(sc->dev, "timeout getstatus\n");
|
|
goto readerr;
|
|
}
|
|
|
|
case MCD_S_WAITMODE:
|
|
sc->ch_state = MCD_S_WAITMODE;
|
|
untimeout(mcd_timeout, (caddr_t)sc, sc->ch);
|
|
if (mbx->count-- < 0) {
|
|
device_printf(sc->dev, "timeout set mode\n");
|
|
goto readerr;
|
|
}
|
|
if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
|
|
sc->ch_state = MCD_S_WAITMODE;
|
|
sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100);
|
|
return;
|
|
}
|
|
sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
|
|
if (sc->data.status & MCD_ST_CMDCHECK) {
|
|
sc->data.curr_mode = MCD_MD_UNKNOWN;
|
|
goto retry_mode;
|
|
}
|
|
if (mcd_setflags(sc) < 0)
|
|
goto changed;
|
|
sc->data.curr_mode = mbx->mode;
|
|
MCD_TRACE("got WAITMODE delay=%d\n",
|
|
RDELAY_WAITMODE-mbx->count);
|
|
modedone:
|
|
/* for first block */
|
|
mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz;
|
|
mbx->skip = 0;
|
|
|
|
nextblock:
|
|
blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz;
|
|
|
|
MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
|
|
blknum, bp);
|
|
|
|
/* build parameter block */
|
|
hsg2msf(blknum,rbuf.start_msf);
|
|
retry_read:
|
|
/* send the read command */
|
|
critical_enter();
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, sc->data.read_command);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[0]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[1]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[2]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, 0);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, 0);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, 1);
|
|
critical_exit();
|
|
|
|
/* Spin briefly (<= 2ms) to avoid missing next block */
|
|
for (i = 0; i < 20; i++) {
|
|
k = MCD_READ(sc, MCD_FLAGS);
|
|
if (!(k & MFL_DATA_NOT_AVAIL))
|
|
goto got_it;
|
|
DELAY(100);
|
|
}
|
|
|
|
mbx->count = RDELAY_WAITREAD;
|
|
sc->ch_state = MCD_S_WAITREAD;
|
|
sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
case MCD_S_WAITREAD:
|
|
sc->ch_state = MCD_S_WAITREAD;
|
|
untimeout(mcd_timeout, (caddr_t)sc, sc->ch);
|
|
if (mbx->count-- > 0) {
|
|
k = MCD_READ(sc, MCD_FLAGS);
|
|
if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
|
|
MCD_TRACE("got data delay=%d\n",
|
|
RDELAY_WAITREAD-mbx->count);
|
|
got_it:
|
|
/* data is ready */
|
|
addr = bp->bio_data + mbx->skip;
|
|
|
|
MCD_WRITE(sc, MCD_REG_CTL2,0x04); /* XXX */
|
|
for (i=0; i<mbx->sz; i++)
|
|
*addr++ = MCD_READ(sc, MCD_REG_RDATA);
|
|
MCD_WRITE(sc, MCD_REG_CTL2,0x0c); /* XXX */
|
|
|
|
k = MCD_READ(sc, MCD_FLAGS);
|
|
/* If we still have some junk, read it too */
|
|
if (!(k & MFL_DATA_NOT_AVAIL)) {
|
|
MCD_WRITE(sc, MCD_REG_CTL2, 0x04); /* XXX */
|
|
(void)MCD_READ(sc, MCD_REG_RDATA);
|
|
(void)MCD_READ(sc, MCD_REG_RDATA);
|
|
MCD_WRITE(sc, MCD_REG_CTL2, 0x0c); /* XXX */
|
|
}
|
|
|
|
if (--mbx->nblk > 0) {
|
|
mbx->skip += mbx->sz;
|
|
goto nextblock;
|
|
}
|
|
|
|
/* return buffer */
|
|
bp->bio_resid = 0;
|
|
biodone(bp);
|
|
|
|
sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW);
|
|
mcd_start(sc);
|
|
return;
|
|
}
|
|
if (!(k & MFL_STATUS_NOT_AVAIL)) {
|
|
sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
|
|
if (sc->data.status & MCD_ST_CMDCHECK)
|
|
goto retry_read;
|
|
if (mcd_setflags(sc) < 0)
|
|
goto changed;
|
|
}
|
|
sc->ch_state = MCD_S_WAITREAD;
|
|
sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
|
|
return;
|
|
} else {
|
|
device_printf(sc->dev, "timeout read data\n");
|
|
goto readerr;
|
|
}
|
|
}
|
|
|
|
readerr:
|
|
if (mbx->retry-- > 0) {
|
|
device_printf(sc->dev, "retrying\n");
|
|
state = MCD_S_BEGIN1;
|
|
goto loop;
|
|
}
|
|
harderr:
|
|
/* invalidate the buffer */
|
|
bp->bio_flags |= BIO_ERROR;
|
|
bp->bio_resid = bp->bio_bcount;
|
|
biodone(bp);
|
|
|
|
sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW);
|
|
mcd_start(sc);
|
|
return;
|
|
|
|
changed:
|
|
device_printf(sc->dev, "media changed\n");
|
|
goto harderr;
|
|
|
|
#ifdef NOTDEF
|
|
device_printf(sc->dev, "unit timeout, resetting\n");
|
|
MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET);
|
|
DELAY(300000);
|
|
(void)mcd_getstat(sc, 1);
|
|
(void)mcd_getstat(sc, 1);
|
|
/*sc->data.status &= ~MCDDSKCHNG; */
|
|
sc->data.debug = 1; /* preventive set debug mode */
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
static int
|
|
mcd_lock_door(struct mcd_softc *sc, int lock)
|
|
{
|
|
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDLOCKDRV);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, lock);
|
|
if (mcd_getstat(sc, 0) == -1)
|
|
return (EIO);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_close_tray(struct mcd_softc *sc)
|
|
{
|
|
int retry, r;
|
|
|
|
if (mcd_getstat(sc, 1) == -1)
|
|
return (EIO);
|
|
if (sc->data.status & MCDDOOROPEN) {
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDCLOSETRAY);
|
|
for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
|
|
if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
|
|
(void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC);
|
|
else {
|
|
if ((r = mcd_getstat(sc, 0)) == -1)
|
|
return (EIO);
|
|
return (0);
|
|
}
|
|
}
|
|
return (ENXIO);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_eject(struct mcd_softc *sc)
|
|
{
|
|
int r;
|
|
|
|
if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
|
|
return (EIO);
|
|
if (sc->data.status & MCDDOOROPEN)
|
|
return (0);
|
|
if ((r = mcd_stop(sc)) == EIO)
|
|
return (r);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDEJECTDISK);
|
|
if (mcd_getstat(sc, 0) == -1)
|
|
return (EIO);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_inject(struct mcd_softc *sc)
|
|
{
|
|
|
|
if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
|
|
return (EIO);
|
|
if (sc->data.status & MCDDOOROPEN)
|
|
return mcd_close_tray(sc);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_hard_reset(struct mcd_softc *sc)
|
|
{
|
|
|
|
MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET);
|
|
sc->data.curr_mode = MCD_MD_UNKNOWN;
|
|
sc->data.audio_status = CD_AS_AUDIO_INVALID;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
mcd_soft_reset(struct mcd_softc *sc)
|
|
{
|
|
|
|
sc->data.flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
|
|
sc->data.curr_mode = MCD_MD_UNKNOWN;
|
|
sc->data.partflags = 0;
|
|
sc->data.audio_status = CD_AS_AUDIO_INVALID;
|
|
}
|
|
|
|
static int
|
|
mcd_setmode(struct mcd_softc *sc, int mode)
|
|
{
|
|
int retry, st;
|
|
|
|
if (sc->data.curr_mode == mode)
|
|
return (0);
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "setting mode to %d\n", mode);
|
|
for(retry=0; retry<MCD_RETRYS; retry++)
|
|
{
|
|
sc->data.curr_mode = MCD_MD_UNKNOWN;
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, mode);
|
|
if ((st = mcd_getstat(sc, 0)) >= 0) {
|
|
sc->data.curr_mode = mode;
|
|
return (0);
|
|
}
|
|
if (st == -2) {
|
|
device_printf(sc->dev, "media changed\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (-1);
|
|
}
|
|
|
|
static int
|
|
mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th)
|
|
{
|
|
int r;
|
|
|
|
if ((r = mcd_volinfo(sc)) != 0)
|
|
return (r);
|
|
|
|
th->starting_track = bcd2bin(sc->data.volinfo.trk_low);
|
|
th->ending_track = bcd2bin(sc->data.volinfo.trk_high);
|
|
th->len = 2 * sizeof(u_char) /* start & end tracks */ +
|
|
(th->ending_track + 1 - th->starting_track + 1) *
|
|
sizeof(struct cd_toc_entry);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_read_toc(struct mcd_softc *sc)
|
|
{
|
|
struct ioc_toc_header th;
|
|
struct mcd_qchninfo q;
|
|
int rc, trk, idx, retry;
|
|
|
|
/* Only read TOC if needed */
|
|
if (sc->data.flags & MCDTOC)
|
|
return (0);
|
|
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "reading toc header\n");
|
|
|
|
if ((rc = mcd_toc_header(sc, &th)) != 0)
|
|
return (rc);
|
|
|
|
if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
|
|
return (EIO);
|
|
|
|
if (mcd_setmode(sc, MCD_MD_TOC) != 0)
|
|
return (EIO);
|
|
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "get_toc reading qchannel info\n");
|
|
|
|
for(trk=th.starting_track; trk<=th.ending_track; trk++)
|
|
sc->data.toc[trk].idx_no = 0;
|
|
trk = th.ending_track - th.starting_track + 1;
|
|
for(retry=0; retry<600 && trk>0; retry++)
|
|
{
|
|
if (mcd_getqchan(sc, &q) < 0) break;
|
|
idx = bcd2bin(q.idx_no);
|
|
if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
|
|
if (sc->data.toc[idx].idx_no == 0) {
|
|
sc->data.toc[idx] = q;
|
|
trk--;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
|
|
return (EIO);
|
|
|
|
if (trk != 0)
|
|
return (ENXIO);
|
|
|
|
/* add a fake last+1 */
|
|
idx = th.ending_track + 1;
|
|
sc->data.toc[idx].control = sc->data.toc[idx-1].control;
|
|
sc->data.toc[idx].addr_type = sc->data.toc[idx-1].addr_type;
|
|
sc->data.toc[idx].trk_no = 0;
|
|
sc->data.toc[idx].idx_no = MCD_LASTPLUS1;
|
|
sc->data.toc[idx].hd_pos_msf[0] = sc->data.volinfo.vol_msf[0];
|
|
sc->data.toc[idx].hd_pos_msf[1] = sc->data.volinfo.vol_msf[1];
|
|
sc->data.toc[idx].hd_pos_msf[2] = sc->data.volinfo.vol_msf[2];
|
|
|
|
if (sc->data.debug)
|
|
{ int i;
|
|
for (i = th.starting_track; i <= idx; i++)
|
|
device_printf(sc->dev, "trk %d idx %d pos %d %d %d\n",
|
|
i,
|
|
sc->data.toc[i].idx_no > 0x99 ? sc->data.toc[i].idx_no :
|
|
bcd2bin(sc->data.toc[i].idx_no),
|
|
bcd2bin(sc->data.toc[i].hd_pos_msf[0]),
|
|
bcd2bin(sc->data.toc[i].hd_pos_msf[1]),
|
|
bcd2bin(sc->data.toc[i].hd_pos_msf[2]));
|
|
}
|
|
|
|
sc->data.flags |= MCDTOC;
|
|
|
|
return (0);
|
|
}
|
|
|
|
#if 0
|
|
static int
|
|
mcd_toc_entry(struct mcd_softc *sc, struct ioc_read_toc_single_entry *te)
|
|
{
|
|
struct ioc_toc_header th;
|
|
int rc, trk;
|
|
|
|
if (te->address_format != CD_MSF_FORMAT
|
|
&& te->address_format != CD_LBA_FORMAT)
|
|
return (EINVAL);
|
|
|
|
/* Copy the toc header */
|
|
if ((rc = mcd_toc_header(sc, &th)) != 0)
|
|
return (rc);
|
|
|
|
/* verify starting track */
|
|
trk = te->track;
|
|
if (trk == 0)
|
|
trk = th.starting_track;
|
|
else if (trk == MCD_LASTPLUS1)
|
|
trk = th.ending_track + 1;
|
|
else if (trk < th.starting_track || trk > th.ending_track + 1)
|
|
return (EINVAL);
|
|
|
|
/* Make sure we have a valid toc */
|
|
if ((rc=mcd_read_toc(sc)) != 0)
|
|
return (rc);
|
|
|
|
/* Copy the TOC data. */
|
|
if (sc->data.toc[trk].idx_no == 0)
|
|
return (EIO);
|
|
|
|
te->entry.control = sc->data.toc[trk].control;
|
|
te->entry.addr_type = sc->data.toc[trk].addr_type;
|
|
te->entry.track =
|
|
sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no :
|
|
bcd2bin(sc->data.toc[trk].idx_no);
|
|
switch (te->address_format) {
|
|
case CD_MSF_FORMAT:
|
|
te->entry.addr.msf.unused = 0;
|
|
te->entry.addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]);
|
|
te->entry.addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]);
|
|
te->entry.addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]);
|
|
break;
|
|
case CD_LBA_FORMAT:
|
|
te->entry.addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0));
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
mcd_toc_entrys(struct mcd_softc *sc, struct ioc_read_toc_entry *te)
|
|
{
|
|
struct cd_toc_entry entries[MCD_MAXTOCS];
|
|
struct ioc_toc_header th;
|
|
int rc, n, trk, len;
|
|
|
|
if ( te->data_len < sizeof(entries[0])
|
|
|| (te->data_len % sizeof(entries[0])) != 0
|
|
|| (te->address_format != CD_MSF_FORMAT
|
|
&& te->address_format != CD_LBA_FORMAT)
|
|
)
|
|
return (EINVAL);
|
|
|
|
/* Copy the toc header */
|
|
if ((rc = mcd_toc_header(sc, &th)) != 0)
|
|
return (rc);
|
|
|
|
/* verify starting track */
|
|
trk = te->starting_track;
|
|
if (trk == 0)
|
|
trk = th.starting_track;
|
|
else if (trk == MCD_LASTPLUS1)
|
|
trk = th.ending_track + 1;
|
|
else if (trk < th.starting_track || trk > th.ending_track + 1)
|
|
return (EINVAL);
|
|
|
|
len = ((th.ending_track + 1 - trk) + 1) *
|
|
sizeof(entries[0]);
|
|
if (te->data_len < len)
|
|
len = te->data_len;
|
|
if (len > sizeof(entries))
|
|
return (EINVAL);
|
|
|
|
/* Make sure we have a valid toc */
|
|
if ((rc=mcd_read_toc(sc)) != 0)
|
|
return (rc);
|
|
|
|
/* Copy the TOC data. */
|
|
for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
|
|
if (sc->data.toc[trk].idx_no == 0)
|
|
continue;
|
|
entries[n].control = sc->data.toc[trk].control;
|
|
entries[n].addr_type = sc->data.toc[trk].addr_type;
|
|
entries[n].track =
|
|
sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no :
|
|
bcd2bin(sc->data.toc[trk].idx_no);
|
|
switch (te->address_format) {
|
|
case CD_MSF_FORMAT:
|
|
entries[n].addr.msf.unused = 0;
|
|
entries[n].addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]);
|
|
entries[n].addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]);
|
|
entries[n].addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]);
|
|
break;
|
|
case CD_LBA_FORMAT:
|
|
entries[n].addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0));
|
|
break;
|
|
}
|
|
len -= sizeof(struct cd_toc_entry);
|
|
n++;
|
|
}
|
|
|
|
/* copy the data back */
|
|
return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
|
|
}
|
|
|
|
static int
|
|
mcd_stop(struct mcd_softc *sc)
|
|
{
|
|
|
|
/* Verify current status */
|
|
if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
|
|
sc->data.audio_status != CD_AS_PLAY_PAUSED &&
|
|
sc->data.audio_status != CD_AS_PLAY_COMPLETED) {
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev,
|
|
"stop attempted when not playing, audio status %d\n",
|
|
sc->data.audio_status);
|
|
return (EINVAL);
|
|
}
|
|
if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS)
|
|
if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
|
|
return (EIO);
|
|
sc->data.audio_status = CD_AS_PLAY_COMPLETED;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_getqchan(struct mcd_softc *sc, struct mcd_qchninfo *q)
|
|
{
|
|
|
|
if (mcd_send(sc, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
|
|
return (-1);
|
|
if (mcd_get(sc, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
|
|
return (-1);
|
|
if (sc->data.debug) {
|
|
device_printf(sc->dev,
|
|
"getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
|
|
q->control, q->addr_type,
|
|
bcd2bin(q->trk_no),
|
|
bcd2bin(q->idx_no),
|
|
bcd2bin(q->trk_size_msf[0]),
|
|
bcd2bin(q->trk_size_msf[1]),
|
|
bcd2bin(q->trk_size_msf[2]),
|
|
bcd2bin(q->hd_pos_msf[0]),
|
|
bcd2bin(q->hd_pos_msf[1]),
|
|
bcd2bin(q->hd_pos_msf[2]));
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_subchan(struct mcd_softc *sc, struct ioc_read_subchannel *sch)
|
|
{
|
|
struct mcd_qchninfo q;
|
|
struct cd_sub_channel_info data;
|
|
int lba;
|
|
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "subchan af=%d, df=%d\n",
|
|
sch->address_format,
|
|
sch->data_format);
|
|
|
|
if (sch->address_format != CD_MSF_FORMAT &&
|
|
sch->address_format != CD_LBA_FORMAT)
|
|
return (EINVAL);
|
|
|
|
if (sch->data_format != CD_CURRENT_POSITION &&
|
|
sch->data_format != CD_MEDIA_CATALOG)
|
|
return (EINVAL);
|
|
|
|
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
|
|
return (EIO);
|
|
|
|
if (mcd_getqchan(sc, &q) < 0)
|
|
return (EIO);
|
|
|
|
data.header.audio_status = sc->data.audio_status;
|
|
data.what.position.data_format = sch->data_format;
|
|
|
|
switch (sch->data_format) {
|
|
case CD_MEDIA_CATALOG:
|
|
data.what.media_catalog.mc_valid = 1;
|
|
data.what.media_catalog.mc_number[0] = '\0';
|
|
break;
|
|
|
|
case CD_CURRENT_POSITION:
|
|
data.what.position.control = q.control;
|
|
data.what.position.addr_type = q.addr_type;
|
|
data.what.position.track_number = bcd2bin(q.trk_no);
|
|
data.what.position.index_number = bcd2bin(q.idx_no);
|
|
switch (sch->address_format) {
|
|
case CD_MSF_FORMAT:
|
|
data.what.position.reladdr.msf.unused = 0;
|
|
data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
|
|
data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
|
|
data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
|
|
data.what.position.absaddr.msf.unused = 0;
|
|
data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
|
|
data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
|
|
data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
|
|
break;
|
|
case CD_LBA_FORMAT:
|
|
lba = msf2hsg(q.trk_size_msf, 1);
|
|
/*
|
|
* Pre-gap has index number of 0, and decreasing MSF
|
|
* address. Must be converted to negative LBA, per
|
|
* SCSI spec.
|
|
*/
|
|
if (data.what.position.index_number == 0)
|
|
lba = -lba;
|
|
data.what.position.reladdr.lba = htonl(lba);
|
|
data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len));
|
|
}
|
|
|
|
static int
|
|
mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p)
|
|
{
|
|
struct mcd_read2 pb;
|
|
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "playmsf: from %d:%d.%d to %d:%d.%d\n",
|
|
p->start_m, p->start_s, p->start_f,
|
|
p->end_m, p->end_s, p->end_f);
|
|
|
|
if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
|
|
(p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) ||
|
|
(p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
|
|
M_msf(sc->data.volinfo.vol_msf) * 60 * 75 +
|
|
S_msf(sc->data.volinfo.vol_msf) * 75 +
|
|
F_msf(sc->data.volinfo.vol_msf))
|
|
return (EINVAL);
|
|
|
|
pb.start_msf[0] = bin2bcd(p->start_m);
|
|
pb.start_msf[1] = bin2bcd(p->start_s);
|
|
pb.start_msf[2] = bin2bcd(p->start_f);
|
|
pb.end_msf[0] = bin2bcd(p->end_m);
|
|
pb.end_msf[1] = bin2bcd(p->end_s);
|
|
pb.end_msf[2] = bin2bcd(p->end_f);
|
|
|
|
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
|
|
return (EIO);
|
|
|
|
return mcd_play(sc, &pb);
|
|
}
|
|
|
|
static int
|
|
mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *pt)
|
|
{
|
|
struct mcd_read2 pb;
|
|
int a = pt->start_track;
|
|
int z = pt->end_track;
|
|
int rc, i;
|
|
|
|
if ((rc = mcd_read_toc(sc)) != 0)
|
|
return (rc);
|
|
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "playtracks from %d:%d to %d:%d\n",
|
|
a, pt->start_index, z, pt->end_index);
|
|
|
|
if ( a < bcd2bin(sc->data.volinfo.trk_low)
|
|
|| a > bcd2bin(sc->data.volinfo.trk_high)
|
|
|| a > z
|
|
|| z < bcd2bin(sc->data.volinfo.trk_low)
|
|
|| z > bcd2bin(sc->data.volinfo.trk_high))
|
|
return (EINVAL);
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
pb.start_msf[i] = sc->data.toc[a].hd_pos_msf[i];
|
|
pb.end_msf[i] = sc->data.toc[z+1].hd_pos_msf[i];
|
|
}
|
|
|
|
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
|
|
return (EIO);
|
|
|
|
return mcd_play(sc, &pb);
|
|
}
|
|
|
|
static int
|
|
mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p)
|
|
{
|
|
struct mcd_read2 pb;
|
|
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev, "playblocks: blkno %d length %d\n",
|
|
p->blk, p->len);
|
|
|
|
if (p->blk > sc->data.disksize || p->len > sc->data.disksize ||
|
|
p->blk < 0 || p->len < 0 ||
|
|
(p->blk + p->len) > sc->data.disksize)
|
|
return (EINVAL);
|
|
|
|
hsg2msf(p->blk, pb.start_msf);
|
|
hsg2msf(p->blk + p->len, pb.end_msf);
|
|
|
|
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
|
|
return (EIO);
|
|
|
|
return mcd_play(sc, &pb);
|
|
}
|
|
|
|
static int
|
|
mcd_play(struct mcd_softc *sc, struct mcd_read2 *pb)
|
|
{
|
|
int retry, st = -1, status;
|
|
|
|
sc->data.lastpb = *pb;
|
|
for(retry=0; retry<MCD_RETRYS; retry++) {
|
|
|
|
critical_enter();
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSINGLESPEEDREAD);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[0]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[1]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[2]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[0]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[1]);
|
|
MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[2]);
|
|
critical_exit();
|
|
|
|
status=mcd_getstat(sc, 0);
|
|
if (status == -1)
|
|
continue;
|
|
else if (status != -2)
|
|
st = 0;
|
|
break;
|
|
}
|
|
|
|
if (status == -2) {
|
|
device_printf(sc->dev, "media changed\n");
|
|
return (ENXIO);
|
|
}
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev,
|
|
"mcd_play retry=%d, status=0x%02x\n", retry, status);
|
|
if (st < 0)
|
|
return (ENXIO);
|
|
sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_pause(struct mcd_softc *sc)
|
|
{
|
|
struct mcd_qchninfo q;
|
|
int rc;
|
|
|
|
/* Verify current status */
|
|
if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
|
|
sc->data.audio_status != CD_AS_PLAY_PAUSED) {
|
|
if (sc->data.debug)
|
|
device_printf(sc->dev,
|
|
"pause attempted when not playing, audio status %d\n",
|
|
sc->data.audio_status);
|
|
return (EINVAL);
|
|
}
|
|
|
|
/* Get the current position */
|
|
if (mcd_getqchan(sc, &q) < 0)
|
|
return (EIO);
|
|
|
|
/* Copy it into lastpb */
|
|
sc->data.lastpb.start_msf[0] = q.hd_pos_msf[0];
|
|
sc->data.lastpb.start_msf[1] = q.hd_pos_msf[1];
|
|
sc->data.lastpb.start_msf[2] = q.hd_pos_msf[2];
|
|
|
|
/* Stop playing */
|
|
if ((rc=mcd_stop(sc)) != 0)
|
|
return (rc);
|
|
|
|
/* Set the proper status and exit */
|
|
sc->data.audio_status = CD_AS_PLAY_PAUSED;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mcd_resume(struct mcd_softc *sc)
|
|
{
|
|
|
|
if (sc->data.audio_status != CD_AS_PLAY_PAUSED)
|
|
return (EINVAL);
|
|
return mcd_play(sc, &sc->data.lastpb);
|
|
}
|