| /* |
| * sr.h by David Giller |
| * CD-ROM disk driver header file |
| * |
| * adapted from: |
| * sd.h Copyright (C) 1992 Drew Eckhardt |
| * SCSI disk driver header file by |
| * Drew Eckhardt |
| * |
| * <drew@colorado.edu> |
| * |
| * Modified by Eric Youngdale eric@andante.org to |
| * add scatter-gather, multiple outstanding request, and other |
| * enhancements. |
| */ |
| |
| #ifndef _SR_H |
| #define _SR_H |
| |
| #include "scsi.h" |
| |
| typedef struct { |
| unsigned capacity; /* size in blocks */ |
| Scsi_Device *device; |
| unsigned int vendor; /* vendor code, see sr_vendor.c */ |
| unsigned long ms_offset; /* for reading multisession-CD's */ |
| unsigned char sector_bit_size; /* sector size = 2^sector_bit_size */ |
| unsigned char sector_bit_shift; /* sectors/FS block = 2^sector_bit_shift */ |
| unsigned needs_sector_size:1; /* needs to get sector size */ |
| unsigned use:1; /* is this device still supportable */ |
| unsigned xa_flag:1; /* CD has XA sectors ? */ |
| unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */ |
| unsigned readcd_cdda:1; /* reading audio data using READ_CD */ |
| struct cdrom_device_info cdi; |
| } Scsi_CD; |
| |
| extern Scsi_CD *scsi_CDs; |
| |
| int sr_do_ioctl(int, unsigned char *, void *, unsigned, int, int, struct request_sense *); |
| |
| int sr_lock_door(struct cdrom_device_info *, int); |
| int sr_tray_move(struct cdrom_device_info *, int); |
| int sr_drive_status(struct cdrom_device_info *, int); |
| int sr_disk_status(struct cdrom_device_info *); |
| int sr_get_last_session(struct cdrom_device_info *, struct cdrom_multisession *); |
| int sr_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); |
| int sr_reset(struct cdrom_device_info *); |
| int sr_select_speed(struct cdrom_device_info *cdi, int speed); |
| int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); |
| int sr_dev_ioctl(struct cdrom_device_info *, unsigned int, unsigned long); |
| |
| int sr_read_sector(int minor, int lba, int blksize, unsigned char *dest); |
| int sr_is_xa(int minor); |
| |
| /* sr_vendor.c */ |
| void sr_vendor_init(Scsi_CD *); |
| int sr_cd_check(struct cdrom_device_info *); |
| int sr_set_blocklength(int minor, int blocklength); |
| |
| #endif |