1 /*****************************************************************************
2 * intf_eject.c: CD/DVD-ROM ejection handling functions
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: intf_eject.c,v 1.3 2002/01/11 03:07:36 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>
41 # include <linux/version.h>
42 /* handy macro found in 2.1 kernels, but not in older ones */
43 # ifndef KERNEL_VERSION
44 # define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
47 # include <sys/types.h>
48 # include <sys/stat.h>
49 # include <sys/ioctl.h>
51 # include <sys/ioctl.h>
52 # include <linux/cdrom.h>
53 # if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0)
54 # include <linux/ucdrom.h>
57 # include <sys/mount.h>
58 # include <scsi/scsi.h>
60 # include <scsi/scsi_ioctl.h>
63 /*****************************************************************************
65 *****************************************************************************/
67 static int EjectSCSI ( int i_fd );
70 /*****************************************************************************
71 * intf_Eject: eject the CDRom
72 *****************************************************************************
73 * returns 0 on success
74 * returns 1 on failure
75 * returns -1 if not implemented
76 *****************************************************************************/
77 int intf_Eject( const char *psz_device )
81 /* This code could be extended to support CD/DVD-ROM chargers */
84 i_fd = open( psz_device, O_RDONLY | O_NONBLOCK );
88 intf_ErrMsg( "intf error: couldn't open device %s", psz_device );
93 /* Try a simple ATAPI eject */
94 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
98 i_ret = EjectSCSI( i_fd );
103 intf_ErrMsg( "intf error: couldn't eject %s", psz_device );
106 #elif defined (HAVE_DVD_H)
107 i_ret = ioctl( i_fd, CDROMEJECT, 0 );
110 intf_ErrMsg( "intf error: CD-Rom ejection unsupported on this platform" );
119 /* The following functions are local */
122 /*****************************************************************************
123 * Eject using SCSI commands. Return 0 if successful
124 *****************************************************************************/
125 static int EjectSCSI( int i_fd )
138 scsi_cmd.cmd[0] = ALLOW_MEDIUM_REMOVAL;
144 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
152 scsi_cmd.cmd[0] = START_STOP;
158 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
166 scsi_cmd.cmd[0] = START_STOP;
172 i_status = ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd );
178 /* Force kernel to reread partition table when new disc inserted */
179 i_status = ioctl( i_fd, BLKRRPART );