dockapps/ascd/libworkman/plat_news.c

475 lines
8.9 KiB
C

/*
* $Id: plat_news.c,v 1.7 1999/03/07 08:36:40 dirk Exp $
*
* This file is part of WorkMan, the civilized CD player library
* (c) 1991-1997 by Steven Grimm (original author)
* (c) by Dirk Försterling (current 'author' = maintainer)
* The maintainer can be contacted by his e-mail address:
* milliByte@DeathsDoor.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* Sony NEWS-specific drive control routines.
*/
#if defined( __sony_news) || defined(sony_news)
static char plat_news_id[] = "$Id: plat_news.c,v 1.7 1999/03/07 08:36:40 dirk Exp $";
#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <ustat.h>
#include <CD.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "include/wm_config.h"
#include "include/wm_struct.h"
#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
void *malloc();
char *strchr();
extern char *cd_device;
extern int intermittent_dev;
int min_volume = 128;
int max_volume = 255;
/*
* Initialize the drive. A no-op for the generic driver.
*/
int
gen_init(d)
struct wm_drive *d;
{
return (0);
}
/*
* Get the number of tracks on the CD.
*/
int
gen_get_trackcount(d, tracks)
struct wm_drive *d;
int *tracks;
{
struct CD_Capacity cc;
if (CD_GetCapacity(d->fd, &cc))
return (-1);
*tracks = cc.etrack - 1;
return (0);
}
/*
* Get the start time and mode (data or audio) of a track.
*/
int
gen_get_trackinfo(d, track, data, startframe)
struct wm_drive *d;
int track, *data, *startframe;
{
struct CD_TOCinfo hdr;
struct CD_TOCdata ent;
hdr.strack = track;
hdr.ntrack = 1;
hdr.data = &ent;
if (CD_ReadTOC(d->fd, &hdr))
return (-1);
*data = (ent.control & 4) ? 1 : 0;
*startframe = ent.baddr;
return (0);
}
/*
* Get the number of frames on the CD.
*/
int
gen_get_cdlen(d, frames)
struct wm_drive *d;
int *frames;
{
int tmp;
if ((d->get_trackcount)(d, &tmp))
return (-1);
return (gen_get_trackinfo(d, tmp + 1, &tmp, frames));
}
/*
* Get the current status of the drive: the current play mode, the absolute
* position from start of disc (in frames), and the current track and index
* numbers if the CD is playing or paused.
*/
int
gen_get_drive_status(d, oldmode, mode, pos, track, index)
struct wm_drive *d;
enum wm_cd_modes oldmode, *mode;
int *pos, *track, *index;
{
struct CD_Status sc;
/* If we can't get status, the CD is ejected, so default to that. */
*mode = WM_CDM_EJECTED;
/* Is the device open? */
if (d->fd < 0)
{
switch (wmcd_open(d)) {
case -1: /* error */
return (-1);
case 1: /* retry */
return (0);
}
}
/* Disc is ejected. Close the device. */
if (CD_GetStatus(d->fd, &sc))
{
WMclose(d->fd);
d->fd = -1;
return (0);
}
switch (sc.status) {
case CDSTAT_PLAY:
*mode = PLAYING;
*track = sc.tno;
*index = sc.index;
*pos = sc.baddr;
break;
case CDSTAT_PAUSE:
if (oldmode == WM_CDM_PLAYING || oldmode == WM_CDM_PAUSED)
{
*mode = WM_CDM_PAUSED;
*track = sc.tno;
*index = sc.index;
*pos = sc.baddr;
}
else
*mode = WM_CDM_STOPPED;
break;
case CDSTAT_STOP:
if (oldmode == WM_CDM_PLAYING)
{
*mode = WM_CDM_TRACK_DONE; /* waiting for next track. */
break;
}
/* fall through */
default:
*mode = WM_CDM_STOPPED;
break;
}
return (0);
}
/*
* Set the volume level for the left and right channels. Their values
* range from 0 to 100.
*/
int
gen_set_volume(d, left, right)
struct wm_drive *d;
int left, right;
{
/* NEWS can't adjust volume! */
return (0);
}
/*
* Pause the CD.
*/
int
gen_pause(d)
struct wm_drive *d;
{
CD_Pause(d->fd);
return (0);
}
/*
* Resume playing the CD (assuming it was paused.)
*/
int
gen_resume(d)
struct wm_drive *d;
{
CD_Restart(d->fd);
return (0);
}
/*
* Stop the CD.
*/
int
gen_stop(d)
struct wm_drive *d;
{
CD_Stop(d->fd);
return (0);
}
/*
* Play the CD from one position to another (both in frames.)
*/
int
gen_play(d, start, end)
struct wm_drive *d;
int start, end;
{
struct CD_PlayAddr msf;
msf.addrmode = CD_MSF;
msf.addr.msf.startmsf.min = start / (60*75);
msf.addr.msf.startmsf.sec = (start % (60*75)) / 75;
msf.addr.msf.startmsf.frame = start % 75;
msf.addr.msf.endmsf.min = end / (60*75);
msf.addr.msf.endmsf.sec = (end % (60*75)) / 75;
msf.addr.msf.endmsf.frame = end % 75;
if (CD_Play(d->fd, &msf))
{
printf("wm_cd_play_chunk(%d,%d)\n",start,end);
printf("msf = %d:%d:%d %d:%d:%d\n",
msf.addr.msf.startmsf.min,
msf.addr.msf.startmsf.sec,
msf.addr.msf.startmsf.frame,
msf.addr.msf.endmsf.min,
msf.addr.msf.endmsf.sec,
msf.addr.msf.endmsf.frame);
perror("CD_Play");
return (-1);
}
return (0);
}
/*
* Eject the current CD, if there is one.
*/
int
gen_eject(d)
struct wm_drive *d;
{
struct stat stbuf;
struct ustat ust;
if (fstat(d->fd, &stbuf) != 0)
return (-2);
/* Is this a mounted filesystem? */
if (ustat(stbuf.st_rdev, &ust) == 0)
return (-3);
if (CD_AutoEject(d->fd))
return (-1);
/* Close the device if it needs to vanish. */
if (intermittent_dev)
{
WMclose(d->fd);
d->fd = -1;
}
return (0);
}
/*----------------------------------------*
* Close the CD tray
*
* Please edit and send changes to
* milliByte@DeathsDoor.com
*----------------------------------------*/
int gen_closetray(struct wm_drive *d)
{
#ifdef CAN_CLOSE
if(!close(d->fd))
{
d->fd=-1;
return(wmcd_reopen(d));
} else {
return(-1);
}
#else
/* Always succeed if the drive can't close */
return(0);
#endif /* CAN_CLOSE */
} /* gen_closetray() */
/*
* Close the CD device.
*/
int
WMclose(fd)
int fd;
{
int ret;
ret = CD_Close(fd);
wm_susleep(3000000);
return (ret);
}
/*
* Read the initial volume from the drive, if available. Each channel
* ranges from 0 to 100, with -1 indicating data not available.
*/
int
gen_get_volume(d, left, right)
struct wm_drive *d;
int *left, *right;
{
/* Suns, HPs, Linux, NEWS can't read the volume; oh well */
*left = *right = -1;
return (0);
}
/*
* Pass SCSI commands to the device.
*/
int
wm_scsi(d, cdb, cdblen, buf, buflen, getreply)
struct wm_drive *d;
unsigned char *cdb, *buf;
int cdblen, buflen, getreply;
{
/* NEWS can't do SCSI passthrough... or can it? */
return (-1);
}
/*
* Open the CD device and figure out what kind of drive is attached.
*/
int
wmcd_open(d)
struct wm_drive *d;
{
int fd;
static int warned = 0;
char vendor[32] = WM_STR_GENVENDOR;
char model[32] = WM_STR_GENMODEL;
char rev[32] = WM_STR_GENREV;
if (d->fd >= 0) /* Device already open? */
return (0);
intermittent_dev = 1;
if (cd_device == NULL)
cd_device = DEFAULT_CD_DEVICE;
if ((d->fd = CD_Open(cd_device, 0)) < 0)
{
/* Solaris 2.2 volume manager moves links around */
if (errno == ENOENT && intermittent_dev)
return (0);
if (errno == EACCES)
{
if (!warned)
{
char realname[MAXPATHLEN];
if (realpath(cd_device, realname) == NULL)
{
perror("realpath");
return (0);
}
fprintf(stderr,
"As root, please run\n\nchmod 666 %s\n\n%s\n", realname,
"to give yourself permission to access the CD-ROM device.");
warned++;
}
}
else if (errno != EIO) /* defined at top */
{
perror(cd_device);
exit(1);
}
/* No CD in drive. */
return (1);
}
if (warned)
{
warned = 0;
fprintf(stderr, "Thank you.\n");
}
/* Now fill in the relevant parts of the wm_drive structure. */
fd = d->fd;
/* Figure out the drive type, if possible */
wm_scsi_get_drive_type(d, vendor, model, rev);
*d = *(find_drive_struct(vendor, model, rev));
wm_drive_settype(vendor, model, rev);
d->fd = fd;
(d->init)(d);
return (0);
} /* wmcd_open() */
/*
* Re-Open the device if it is open.
*/
int
wmcd_reopen( struct wm_drive *d )
{
int status;
do {
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "wmcd_reopen ");
if (d->fd >= 0) /* Device really open? */
{
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closes the device and ");
status = close( d->fd ); /* close it! */
/* we know, that the file is closed, do we? */
d->fd = -1;
}
wm_susleep( 1000 );
wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "calls wmcd_open()\n");
status = wmcd_open( d ); /* open it as usual */
wm_susleep( 1000 );
} while ( status != 0 );
return status;
} /* wmcd_reopen() */
#endif