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-rw-r--r--kscd/libwm/plat_scor5.c426
1 files changed, 426 insertions, 0 deletions
diff --git a/kscd/libwm/plat_scor5.c b/kscd/libwm/plat_scor5.c
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+++ b/kscd/libwm/plat_scor5.c
@@ -0,0 +1,426 @@
+/*
+ * $Id$
+ *
+ * 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., 59 Temple Place, Suite 330, 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 <sys/types.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/stat.h>
+#include <sys/scsi.h>
+#include <sys/scsicmd.h>
+#include <errno.h>
+#include <macros.h>
+
+#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 */
+
+
+
+
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