/* ucdrom.h. Uniform cdrom data structures for cdrom.c. -*- linux-c -*-
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/* ucdrom.h. Uniform cdrom data structures for cdrom.c. -*- linux-c -*-
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Copyright (c) 1996 David van Leeuwen.
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Copyright (c) 1996 David van Leeuwen.
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*/
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*/
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#ifndef LINUX_UCDROM_H
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#ifndef LINUX_UCDROM_H
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#define LINUX_UCDROM_H
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#define LINUX_UCDROM_H
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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struct cdrom_device_ops {
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struct cdrom_device_ops {
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/* routines */
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/* routines */
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int (*open) (kdev_t, int);
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int (*open) (kdev_t, int);
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void (*release) (kdev_t);
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void (*release) (kdev_t);
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int (*open_files) (kdev_t); /* number of open files */
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int (*open_files) (kdev_t); /* number of open files */
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int (*drive_status) (kdev_t);
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int (*drive_status) (kdev_t);
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int (*disc_status) (kdev_t);
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int (*disc_status) (kdev_t);
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int (*media_changed) (kdev_t);
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int (*media_changed) (kdev_t);
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int (*tray_move) (kdev_t, int);
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int (*tray_move) (kdev_t, int);
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int (*lock_door) (kdev_t, int);
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int (*lock_door) (kdev_t, int);
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int (*select_speed) (kdev_t, int);
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int (*select_speed) (kdev_t, int);
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int (*select_disc) (kdev_t, int);
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int (*select_disc) (kdev_t, int);
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int (*get_last_session) (kdev_t, struct cdrom_multisession *);
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int (*get_last_session) (kdev_t, struct cdrom_multisession *);
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int (*get_mcn) (kdev_t, struct cdrom_mcn *);
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int (*get_mcn) (kdev_t, struct cdrom_mcn *);
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int (*reset) (kdev_t dev); /* hard reset device */
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int (*reset) (kdev_t dev); /* hard reset device */
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int (*audio_ioctl) (kdev_t, unsigned int, void *); /* play stuff */
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int (*audio_ioctl) (kdev_t, unsigned int, void *); /* play stuff */
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int (*dev_ioctl) (kdev_t, unsigned int, unsigned long); /* dev-specific */
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int (*dev_ioctl) (kdev_t, unsigned int, unsigned long); /* dev-specific */
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/* specifications */
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/* specifications */
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const int capability; /* capability flags */
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const int capability; /* capability flags */
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int mask; /* mask of capability: disables them */
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int mask; /* mask of capability: disables them */
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const int speed; /* maximum speed for reading data */
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const int speed; /* maximum speed for reading data */
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const int minors; /* number of minor devs supported */
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const int minors; /* number of minor devs supported */
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const int capacity; /* number of discs in jukebox */
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const int capacity; /* number of discs in jukebox */
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/* device-related storage */
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/* device-related storage */
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int options; /* options flags */
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int options; /* options flags */
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long mc_flags; /* media change buffer flags (2*16) */
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long mc_flags; /* media change buffer flags (2*16) */
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};
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};
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#endif
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#endif
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/* capability flags */
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/* capability flags */
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#define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */
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#define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */
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#define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */
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#define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */
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#define CDC_LOCK 0x4 /* disable manual eject */
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#define CDC_LOCK 0x4 /* disable manual eject */
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#define CDC_SELECT_SPEED 0x8 /* programmable speed */
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#define CDC_SELECT_SPEED 0x8 /* programmable speed */
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#define CDC_SELECT_DISC 0x10 /* select disc from juke-box */
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#define CDC_SELECT_DISC 0x10 /* select disc from juke-box */
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#define CDC_MULTI_SESSION 0x20 /* read sessions>1 */
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#define CDC_MULTI_SESSION 0x20 /* read sessions>1 */
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#define CDC_MCN 0x40 /* Medium Catalog Number */
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#define CDC_MCN 0x40 /* Medium Catalog Number */
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#define CDC_MEDIA_CHANGED 0x80 /* media changed */
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#define CDC_MEDIA_CHANGED 0x80 /* media changed */
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#define CDC_PLAY_AUDIO 0x100 /* audio functions */
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#define CDC_PLAY_AUDIO 0x100 /* audio functions */
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/* drive status possibilities */
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/* drive status possibilities */
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#define CDS_NO_INFO 0 /* if not implemented */
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#define CDS_NO_INFO 0 /* if not implemented */
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#define CDS_NO_DISC 1
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#define CDS_NO_DISC 1
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#define CDS_TRAY_OPEN 2
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#define CDS_TRAY_OPEN 2
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#define CDS_DRIVE_NOT_READY 3
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#define CDS_DRIVE_NOT_READY 3
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#define CDS_DISC_OK 4
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#define CDS_DISC_OK 4
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/* disc status possibilities, other than CDS_NO_DISC */
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/* disc status possibilities, other than CDS_NO_DISC */
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#define CDS_AUDIO 100
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#define CDS_AUDIO 100
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#define CDS_DATA_1 101
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#define CDS_DATA_1 101
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#define CDS_DATA_2 102
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#define CDS_DATA_2 102
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#define CDS_XA_2_1 103
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#define CDS_XA_2_1 103
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#define CDS_XA_2_2 104
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#define CDS_XA_2_2 104
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/* User-configurable behavior options */
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/* User-configurable behavior options */
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#define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */
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#define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */
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#define CDO_AUTO_EJECT 0x2 /* open tray on last release() */
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#define CDO_AUTO_EJECT 0x2 /* open tray on last release() */
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#define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */
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#define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */
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#define CDO_LOCK 0x8 /* lock tray on open files */
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#define CDO_LOCK 0x8 /* lock tray on open files */
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#define CDO_CHECK_TYPE 0x10 /* check type on open for data */
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#define CDO_CHECK_TYPE 0x10 /* check type on open for data */
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/* Some more ioctls to control these options */
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/* Some more ioctls to control these options */
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#define CDROM_SET_OPTIONS 0x5320
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#define CDROM_SET_OPTIONS 0x5320
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#define CDROM_CLEAR_OPTIONS 0x5321
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#define CDROM_CLEAR_OPTIONS 0x5321
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#define CDROM_SELECT_SPEED 0x5322 /* head-speed */
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#define CDROM_SELECT_SPEED 0x5322 /* head-speed */
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#define CDROM_SELECT_DISC 0x5323 /* for juke-boxes */
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#define CDROM_SELECT_DISC 0x5323 /* for juke-boxes */
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#define CDROM_MEDIA_CHANGED 0x5325
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#define CDROM_MEDIA_CHANGED 0x5325
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#define CDROM_DRIVE_STATUS 0x5326 /* tray position, etc. */
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#define CDROM_DRIVE_STATUS 0x5326 /* tray position, etc. */
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#define CDROM_DISC_STATUS 0x5327 /* disc type etc. */
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#define CDROM_DISC_STATUS 0x5327 /* disc type etc. */
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/* Rename an old ioctl */
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/* Rename an old ioctl */
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#define CDROM_GET_MCN CDROM_GET_UPC /* medium catalog number */
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#define CDROM_GET_MCN CDROM_GET_UPC /* medium catalog number */
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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/* the general file operations structure: */
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/* the general file operations structure: */
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extern struct file_operations cdrom_fops;
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extern struct file_operations cdrom_fops;
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extern int register_cdrom(int major, char *name,
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extern int register_cdrom(int major, char *name,
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struct cdrom_device_ops *cdo);
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struct cdrom_device_ops *cdo);
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extern int unregister_cdrom(int major, char *name);
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extern int unregister_cdrom(int major, char *name);
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#endif
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#endif
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#endif /* LINUX_UCDROM_H */
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#endif /* LINUX_UCDROM_H */
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/*
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/*
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* Local variables:
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* Local variables:
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* comment-column: 40
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* comment-column: 40
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* End:
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* End:
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*/
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*/
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