/* * $Id$ * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA * * * SCO Openserver R5 specific. Derived from the KSCD plat_scor5.c * */ static char plat_linux_id[] = "$Id$"; #if defined(M_UNIX) || defined(__M_UNIX) #include "include/wm_config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include "include/wm_struct.h" #include "include/wm_scsi.h" #include "include/wm_cdtext.h" #define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM #define SENSE_SZ EXTD_SENSE_LEN void *malloc(); char *strchr(); int min_volume = 0; int max_volume = 255; /* * platformspecific internal function */ static int create_cdrom_node(char *dev_name) { char pass_through[100]; int file_des; struct stat sbuf; int err; int ccode; strncpy(pass_through, dev_name, sizeof(pass_through)-2); strcat(pass_through, "p" ); if (setreuid(-1,0) < 0) { perror("setregid/setreuid/access"); return -1; } ccode = access(pass_through, F_OK); if (ccode < 0) { if (stat(dev_name, &sbuf) < 0) { perror("Call to get pass-through device number failed"); return -1; } if (mknod(pass_through, (S_IFCHR | S_IREAD | S_IWRITE), sbuf.st_rdev) < 0) { perror("Unable to make pass-through node"); return -1; } if (chown(pass_through, 0 , 0) < 0) { perror("chown"); return -1; } if (chmod(pass_through, 0660 ) < 0) { perror("chmod"); return -1; } } file_des = open( pass_through, O_RDONLY); err = errno; /* if ( (setreuid(-1,getuid()) < 0) || (setregid(-1,getgid()) < 0) ) { perror("setreuid/setregid"); exit(1); } */ errno = err; return file_des; } /* create_cdrom_node() */ /* * Initialize the drive. A no-op for the generic driver. */ int gen_init( struct wm_drive *d ) { return (0); } /* gen_init() */ /* * Open the CD and figure out which kind of drive is attached. */ int wmcd_open( struct wm_drive *d) { int fd; static int warned = 0; char vendor[9], model[17], rev[5]; if (d->fd >= 0) /* Device already open? */ { wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "wmcd_open(): [device is open (fd=%d)]\n", d->fd); return (0); } if (d->cd_device == NULL) { fprintf(stderr,"cd_device string empty\n"); return (-1); } d->fd = create_cdrom_node(d->cd_device); /* this will do open */ if (d->fd < 0) { if (errno == EACCES) { if (! warned) { fprintf(stderr,"Cannot access %s\n",d->cd_device); warned++; } } else if (errno != EINTR) { perror(d->cd_device); return( -6 ); } /* can not acces CDROM device */ 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; if (wm_scsi_get_drive_type(d, vendor, model, rev) < 0) { perror("Cannot inquiry drive for it's type"); return (-1); } find_drive_struct(vendor, model, rev); d->fd = fd; return (0); } /* wmcd_open */ /* * Re-Open the device */ wmcd_reopen( struct wm_drive *d ) { int status; int tries = 0; do { gen_close(d); susleep( 1000 ); status = wmcd_open( d ); susleep( 1000 ); tries++; } while ( (status != 0) && (tries < 10) ); return status; } /* wmcd_reopen() */ /* * Send a SCSI command out the bus. */ int wm_scsi(struct wm_drive *d, unsigned char *xcdb, int cdblen, char *retbuf, int retbuflen, int getreply) { int ccode; int file_des = d->fd; unsigned char sense_buffer[ SENSE_SZ ]; /* getreply == 1 is read, == 0 is write */ struct scsicmd2 sb; /* Use command with automatic sense */ if (cdblen > SCSICMDLEN) { fprintf(stderr,"Cannot handle longer commands than %d bytes.\n", SCSICMDLEN); exit(-1); } /* Get the command */ memcpy(sb.cmd.cdb, xcdb, cdblen); sb.cmd.cdb_len = cdblen; /* Point to data buffer */ sb.cmd.data_ptr = retbuf; sb.cmd.data_len = retbuflen; /* Is this write or read ? */ sb.cmd.is_write = (getreply==1) ? 0 : 1; /* Zero out return status fields */ sb.cmd.host_sts = 0; sb.cmd.target_sts = 0; /* Set up for possible sense info */ sb.sense_ptr = sense_buffer; sb.sense_len = sizeof(sense_buffer); ccode = ioctl(file_des, SCSIUSERCMD2, &sb); if ( sb.cmd.target_sts != 02 ) return ccode; return 0; } /* wm_scsi() */ int gen_close( struct wm_drive *d ) { if(d->fd != -1) { wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closing the device\n"); close(d->fd); d->fd = -1; } return 0; } void keep_cd_open() { } /* * 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(wm_drive *d, int oldmode, int *mode, int *pos, int *track, int *index) { return (wm_scsi2_get_drive_status(d, oldmode, mode, pos, track, index)); } /* gen_get_drive_status() */ /* * Get the number of tracks on the CD. */ int gen_get_trackcount(struct wm_drive *d, int *tracks) { return (wm_scsi2_get_trackcount(d, tracks)); } /* 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) { return (wm_scsi2_get_trackinfo(d, track, data, startframe)); } /* gen_get_trackinfo() */ /* * Get the number of frames on the CD. */ int gen_get_cdlen(struct wm_drive *d, int *frames) { return (wm_scsi2_get_cdlen(d, 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) { return (wm_scsi2_play(d, start, end)); } /* gen_play() */ /* * Pause the CD. */ int gen_pause( struct wm_drive *d ) { return (wm_scsi2_pause(d)); } /* gen_pause() */ /* * Resume playing the CD (assuming it was paused.) */ int gen_resume( struct wm_drive *d ) { return (wm_scsi2_resume(d)); } /* gen_resume() */ /* * Stop the CD. */ int gen_stop(struct wm_drive *d) { return (wm_scsi2_stop(d)); } /* gen_stop() */ /* * Eject the current CD, if there is one. */ int gen_eject(struct wm_drive *d) { int stat; stat = wm_scsi2_eject(d); sleep(2); return (stat); } /* gen_eject() */ int gen_closetray(struct wm_drive *d) { return(wm_scsi2_closetray(d)); } /* 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) { return (wm_scsi2_set_volume(d, left, right)); } /* gen_set_volume() */ /* * 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, int *left, int *right) { return (wm_scsi2_get_volume(d, left, right)); } /* gen_get_volume() */ /*------------------------------------------------------------------------* * gen_get_cdtext(drive, buffer, lenght) *------------------------------------------------------------------------*/ int gen_get_cdtext(struct wm_drive *d, unsigned char **pp_buffer, int *p_buffer_lenght) { /* This needs to be tested! */ return wm_scsi_get_cdtext(d, pp_buffer, p_buffer_lenght); } /* gen_get_cdtext() */ #endif /* M_UNIX */