2 * Copyright (C) 1996-98 Erik Andersen
3 * Copyright (C) 1998-2000 Jens Axboe
8 #include <linux/cdrom.h>
9 #include <asm/byteorder.h>
11 #define IDECD_DEBUG_LOG 0
14 #define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, ## args)
16 #define ide_debug_log(lvl, fmt, args...) do {} while (0)
19 #define ATAPI_WAIT_WRITE_BUSY (10 * HZ)
21 /************************************************************************/
25 #define SECTOR_SIZE (1 << SECTOR_BITS)
27 #define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_BITS)
28 #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32)
30 /* Capabilities Page size including 8 bytes of Mode Page Header */
31 #define ATAPI_CAPABILITIES_PAGE_SIZE (8 + 20)
32 #define ATAPI_CAPABILITIES_PAGE_PAD_SIZE 4
34 /* Structure of a MSF cdrom address. */
42 /* Space to hold the disk TOC. */
44 struct atapi_toc_header {
45 unsigned short toc_length;
50 struct atapi_toc_entry {
52 #if defined(__BIG_ENDIAN_BITFIELD)
55 #elif defined(__LITTLE_ENDIAN_BITFIELD)
59 #error "Please fix <asm/byteorder.h>"
72 unsigned long capacity;
73 struct atapi_toc_header hdr;
74 struct atapi_toc_entry ent[MAX_TRACKS+1];
75 /* One extra for the leadout. */
78 /* Extra per-device info for cdrom drives. */
81 struct ide_driver *driver;
85 /* Buffer for table of contents. NULL if we haven't allocated
86 a TOC buffer for this device yet. */
88 struct atapi_toc *toc;
90 u8 max_speed; /* Max speed of the drive. */
91 u8 current_speed; /* Current speed of the drive. */
93 /* Per-device info needed by cdrom.c generic driver. */
94 struct cdrom_device_info devinfo;
96 unsigned long write_timeout;
99 /* ide-cd_verbose.c */
100 void ide_cd_log_error(const char *, struct request *, struct request_sense *);
102 /* ide-cd.c functions used by ide-cd_ioctl.c */
103 int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *,
104 unsigned *, struct request_sense *, int, unsigned int);
105 int ide_cd_read_toc(ide_drive_t *, struct request_sense *);
106 int ide_cdrom_get_capabilities(ide_drive_t *, u8 *);
107 void ide_cdrom_update_speed(ide_drive_t *, u8 *);
108 int cdrom_check_status(ide_drive_t *, struct request_sense *);
111 int ide_cdrom_open_real(struct cdrom_device_info *, int);
112 void ide_cdrom_release_real(struct cdrom_device_info *);
113 int ide_cdrom_drive_status(struct cdrom_device_info *, int);
114 int ide_cdrom_check_media_change_real(struct cdrom_device_info *, int);
115 int ide_cdrom_tray_move(struct cdrom_device_info *, int);
116 int ide_cdrom_lock_door(struct cdrom_device_info *, int);
117 int ide_cdrom_select_speed(struct cdrom_device_info *, int);
118 int ide_cdrom_get_last_session(struct cdrom_device_info *,
119 struct cdrom_multisession *);
120 int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
121 int ide_cdrom_reset(struct cdrom_device_info *cdi);
122 int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
123 int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *);
125 #endif /* _IDE_CD_H */