File indexing completed on 2024-04-14 04:49:19

 /*
  * This file is part of WorkMan, the civilized CD player library
  * Copyright (C) 1991-1997 by Steven Grimm <koreth@midwinter.com>
  * Copyright (C) by Dirk Försterling <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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  *
  * Sony NEWS-specific drive control routines.
  */
 
 #if defined( __sony_news) || defined(sony_news)
 
 #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"
 #include "include/wm_cdtext.h"
 
 #define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
 
 void *malloc();
 char *strchr();
 
 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( struct wm_drive *d )
 {
     return 0;
 } /* gen_init() */
 
 /*
  * Open the CD device and figure out what kind of drive is attached.
  */
 int
 gen_open( struct wm_drive *d )
 {
     if (d->fd > -1) {       /* Device already open? */
         wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "gen_open(): [device is open (fd=%d)]\n", d->fd);
         return 0;
     }
 
     intermittent_dev = 1;
 
     if ((d->fd = CD_Open(d->cd_device, 0)) < 0) {
         /* Solaris 2.2 volume manager moves links around */
         if (errno == ENOENT && intermittent_dev)
             return 0;
 
         if (errno == EACCES)
             return -EACCES;
         else if (errno != EIO)  /* defined at top */
             return -6;
 
         /* No CD in drive. */
         return 1;
     }
 
     return 0;
 } /* gen_open() */
 
 /*
  * Pass SCSI commands to the device.
  */
 int
 gen_scsi(struct wm_drive *d, unsigned char *cdb, int cdblen,
     unsigned char *buf, int buflen, int getreply)
 {
     /* NEWS can't do SCSI passthrough... or can it? */
     return -1;
 } /* gen_scsi() */
 
 int
 gen_close( struct wm_drive *d )
 {
     int ret = 0;
     if(d->fd != -1) {
         wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closing the device.\n");
         ret = CD_Close(d->fd);
         d->fd = -1;
         wm_susleep(3000000);
     }
     return ret;
 }
 
 /*
  * 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( struct wm_drive *d, int oldmode,
               int *mode, int *pos, int *track, int *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 (d->proto.open(d)) {
         case -1:    /* error */
             return -1;
 
         case 1:     /* retry */
             return 0;
         }
     }
 
   /* Disc is ejected.  Close the device. */
     if (CD_GetStatus(d->fd, &sc)) {
         gen_close(d);
         return 0;
     }
 
     switch (sc.status) {
     case CDSTAT_PLAY:
         *mode = WM_CDM_PLAYING;
         break;
 
     case CDSTAT_PAUSE:
         if (oldmode == WM_CDM_PLAYING || oldmode == WM_CDM_PAUSED)
             *mode = WM_CDM_PAUSED;
         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;
     }
 
     switch(*mode) {
     case WM_CDM_PLAYING:
     case WM_CDM_PAUSED:
         *track = sc.tno;
         *index = sc.index;
         *pos = sc.baddr;
         break;      
     }
 
     return 0;
 } /* gen_get_drive_status() */
 
 /*
  * Get the number of tracks on the CD.
  */
 int
 gen_get_trackcount(struct wm_drive *d, int *tracks)
 {
     struct CD_Capacity cc;
 
     if (CD_GetCapacity(d->fd, &cc))
         return -1;
 
     *tracks = cc.etrack - 1;
     return 0;
 } /* gen_get_trackcount() */
 
 /*
  * Get the start time and mode (data or audio) of a track.
  */
 int
 gen_get_trackinfo( struct wm_drive *d, int track, int *data, int *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;
 } /* gen_get_trackinfo */
 
 /*
  * Get the number of frames on the CD.
  */
 int
 gen_get_cdlen( 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);
 } /* gen_get_cdlen() */
 
 
 /*
  * Play the CD from one position to another (both in frames.)
  */
 int
 gen_play( struct wm_drive *d, int start, int 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)) {
         wm_lib_message(WM_MSG_LEVEL_ERROR|WM_MSG_CLASS,
             "wm_cd_play_chunk(%d,%d)\n",start,end);
         wm_lib_message(WM_MSG_LEVEL_ERROR|WM_MSG_CLASS,
             "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);
         wm_lib_message(WM_MSG_LEVEL_ERROR|WM_MSG_CLASS,
             "CD_Play");
         return -1;
     }
 
     return 0;
 } /* gen_play() */
 
 /*
  * Pause the CD.
  */
 int
 gen_pause( struct wm_drive *d )
 {
     CD_Pause(d->fd);
     return 0;
 } /* gen_pause() */
 
 /*
  * Resume playing the CD (assuming it was paused.)
  */
 int
 gen_resume( struct wm_drive *d )
 {
     CD_Restart(d->fd);
     return 0;
 } /* gen_resume() */
 
 /*
  * Stop the CD.
  */
 int
 gen_stop( struct wm_drive *d )
 {
     CD_Stop(d->fd);
     return 0;
 } /* gen_stop() */
 
 /*
  * Eject the current CD, if there is one.
  */
 int
 gen_eject( 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)
         gen_close(d);
 
     return 0;
 } /* gen_eject() */
 
 /*----------------------------------------*
  * Close the CD tray
  *
  * Please edit and send changes to
  * milliByte@DeathsDoor.com
  *----------------------------------------*/
 int
 gen_closetray(struct wm_drive *d)
 {
     return -1;
 } /* gen_closetray() */
 
 
 /*
  * Set the volume level for the left and right channels.  Their values
  * range from 0 to 100.
  */
 int
 gen_set_volume( struct wm_drive *d, int left, int right)
 {
     /* NEWS can't adjust volume! */
     return 0;
 }
 
 /*
  * 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( struct wm_drive *d, omt *left, int *right)
 {
     /* Suns, HPs, Linux, NEWS can't read the volume; oh well */
     *left = *right = -1;
     return 0;
 } /* gen_get_volume() */
 
 #endif