| /* |
| * Copyright (C) 1996-98 Erik Andersen |
| * Copyright (C) 1998-2000 Jens Axboe |
| */ |
| #ifndef _IDE_CD_H |
| #define _IDE_CD_H |
| |
| #include <linux/cdrom.h> |
| #include <asm/byteorder.h> |
| |
| #define IDECD_DEBUG_LOG 0 |
| |
| #if IDECD_DEBUG_LOG |
| #define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, ## args) |
| #else |
| #define ide_debug_log(lvl, fmt, args...) do {} while (0) |
| #endif |
| |
| #define ATAPI_WAIT_WRITE_BUSY (10 * HZ) |
| |
| /************************************************************************/ |
| |
| #define SECTOR_BITS 9 |
| #ifndef SECTOR_SIZE |
| #define SECTOR_SIZE (1 << SECTOR_BITS) |
| #endif |
| #define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_BITS) |
| #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32) |
| |
| /* Capabilities Page size including 8 bytes of Mode Page Header */ |
| #define ATAPI_CAPABILITIES_PAGE_SIZE (8 + 20) |
| #define ATAPI_CAPABILITIES_PAGE_PAD_SIZE 4 |
| |
| /* Structure of a MSF cdrom address. */ |
| struct atapi_msf { |
| u8 reserved; |
| u8 minute; |
| u8 second; |
| u8 frame; |
| }; |
| |
| /* Space to hold the disk TOC. */ |
| #define MAX_TRACKS 99 |
| struct atapi_toc_header { |
| unsigned short toc_length; |
| u8 first_track; |
| u8 last_track; |
| }; |
| |
| struct atapi_toc_entry { |
| u8 reserved1; |
| #if defined(__BIG_ENDIAN_BITFIELD) |
| u8 adr : 4; |
| u8 control : 4; |
| #elif defined(__LITTLE_ENDIAN_BITFIELD) |
| u8 control : 4; |
| u8 adr : 4; |
| #else |
| #error "Please fix <asm/byteorder.h>" |
| #endif |
| u8 track; |
| u8 reserved2; |
| union { |
| unsigned lba; |
| struct atapi_msf msf; |
| } addr; |
| }; |
| |
| struct atapi_toc { |
| int last_session_lba; |
| int xa_flag; |
| unsigned long capacity; |
| struct atapi_toc_header hdr; |
| struct atapi_toc_entry ent[MAX_TRACKS+1]; |
| /* One extra for the leadout. */ |
| }; |
| |
| /* Extra per-device info for cdrom drives. */ |
| struct cdrom_info { |
| ide_drive_t *drive; |
| struct ide_driver *driver; |
| struct gendisk *disk; |
| struct device dev; |
| |
| /* Buffer for table of contents. NULL if we haven't allocated |
| a TOC buffer for this device yet. */ |
| |
| struct atapi_toc *toc; |
| |
| u8 max_speed; /* Max speed of the drive. */ |
| u8 current_speed; /* Current speed of the drive. */ |
| |
| /* Per-device info needed by cdrom.c generic driver. */ |
| struct cdrom_device_info devinfo; |
| |
| unsigned long write_timeout; |
| }; |
| |
| /* ide-cd_verbose.c */ |
| void ide_cd_log_error(const char *, struct request *, struct request_sense *); |
| |
| /* ide-cd.c functions used by ide-cd_ioctl.c */ |
| int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *, |
| unsigned *, struct request_sense *, int, unsigned int); |
| int ide_cd_read_toc(ide_drive_t *, struct request_sense *); |
| int ide_cdrom_get_capabilities(ide_drive_t *, u8 *); |
| void ide_cdrom_update_speed(ide_drive_t *, u8 *); |
| int cdrom_check_status(ide_drive_t *, struct request_sense *); |
| |
| /* ide-cd_ioctl.c */ |
| int ide_cdrom_open_real(struct cdrom_device_info *, int); |
| void ide_cdrom_release_real(struct cdrom_device_info *); |
| int ide_cdrom_drive_status(struct cdrom_device_info *, int); |
| unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *, |
| unsigned int clearing, int slot_nr); |
| int ide_cdrom_tray_move(struct cdrom_device_info *, int); |
| int ide_cdrom_lock_door(struct cdrom_device_info *, int); |
| int ide_cdrom_select_speed(struct cdrom_device_info *, int); |
| int ide_cdrom_get_last_session(struct cdrom_device_info *, |
| struct cdrom_multisession *); |
| int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); |
| int ide_cdrom_reset(struct cdrom_device_info *cdi); |
| int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); |
| int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *); |
| |
| #endif /* _IDE_CD_H */ |