1 /*****************************************************************************
2 * intf_eject.c: CD/DVD-ROM ejection handling functions
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: intf_eject.c,v 1.2 2002/01/09 10:22:37 sam Exp $
7 * Author: Julien Blache <jb@technologeek.org> for the Linux part
8 * with code taken from the Linux "eject" command
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
30 #include <videolan/vlc.h>
37 # include <linux/version.h>
38 /* handy macro found in 2.1 kernels, but not in older ones */
39 # ifndef KERNEL_VERSION
40 # define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
43 # include <sys/types.h>
44 # include <sys/stat.h>
45 # include <sys/ioctl.h>
48 # include <sys/ioctl.h>
49 # include <linux/cdrom.h>
50 # if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0)
51 # include <linux/ucdrom.h>
54 # include <sys/mount.h>
55 # include <scsi/scsi.h>
57 # include <scsi/scsi_ioctl.h>
60 /*****************************************************************************
62 *****************************************************************************/
64 static int EjectSCSI ( int i_fd );
67 /*****************************************************************************
68 * intf_Eject: eject the CDRom
69 *****************************************************************************
70 * returns 0 on success
71 * returns 1 on failure
72 * returns -1 if not implemented
73 *****************************************************************************/
74 int intf_Eject( const char *psz_device )
78 /* This code could be extended to support CD/DVD-ROM chargers */
81 i_fd = open( psz_device, O_RDONLY | O_NONBLOCK );
85 intf_ErrMsg( "intf error: couldn't open device %s", psz_device );
90 /* Try a simple ATAPI eject */
91 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
95 i_ret = EjectSCSI( i_fd );
100 intf_ErrMsg( "intf error: couldn't eject %s", psz_device );
103 #elif defined (HAVE_DVD_H)
104 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
107 intf_ErrMsg( "intf error: CD-Rom ejection unsupported on this platform" );
116 /* The following functions are local */
119 /*****************************************************************************
120 * Eject using SCSI commands. Return 0 if successful
121 *****************************************************************************/
122 static int EjectSCSI( int i_fd )
135 scsi_cmd.cmd[0] = ALLOW_MEDIUM_REMOVAL;
141 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
149 scsi_cmd.cmd[0] = START_STOP;
155 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
163 scsi_cmd.cmd[0] = START_STOP;
169 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
175 /* Force kernel to reread partition table when new disc inserted */
176 i_status = ioctl( i_fd, BLKRRPART );