2 * Copyright (C) 1996-98 Erik Andersen
3 * Copyright (C) 1998-2000 Jens Axboe
8 #include <linux/cdrom.h>
9 #include <asm/byteorder.h>
12 * typical timeout for packet command
14 #define ATAPI_WAIT_PC (60 * HZ)
15 #define ATAPI_WAIT_WRITE_BUSY (10 * HZ)
17 /************************************************************************/
21 #define SECTOR_SIZE (1 << SECTOR_BITS)
23 #define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_BITS)
24 #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32)
26 /* Capabilities Page size including 8 bytes of Mode Page Header */
27 #define ATAPI_CAPABILITIES_PAGE_SIZE (8 + 20)
28 #define ATAPI_CAPABILITIES_PAGE_PAD_SIZE 4
30 /* Structure of a MSF cdrom address. */
38 /* Space to hold the disk TOC. */
40 struct atapi_toc_header
{
41 unsigned short toc_length
;
46 struct atapi_toc_entry
{
48 #if defined(__BIG_ENDIAN_BITFIELD)
51 #elif defined(__LITTLE_ENDIAN_BITFIELD)
55 #error "Please fix <asm/byteorder.h>"
68 unsigned long capacity
;
69 struct atapi_toc_header hdr
;
70 struct atapi_toc_entry ent
[MAX_TRACKS
+1];
71 /* One extra for the leadout. */
74 /* Extra per-device info for cdrom drives. */
81 /* Buffer for table of contents. NULL if we haven't allocated
82 a TOC buffer for this device yet. */
84 struct atapi_toc
*toc
;
86 /* The result of the last successful request sense command
88 struct request_sense sense_data
;
90 struct request request_sense_request
;
91 unsigned long last_block
;
92 unsigned long start_seek
;
94 u8 max_speed
; /* Max speed of the drive. */
95 u8 current_speed
; /* Current speed of the drive. */
97 /* Per-device info needed by cdrom.c generic driver. */
98 struct cdrom_device_info devinfo
;
100 unsigned long write_timeout
;
103 /* ide-cd_verbose.c */
104 void ide_cd_log_error(const char *, struct request
*, struct request_sense
*);
106 /* ide-cd.c functions used by ide-cd_ioctl.c */
107 int ide_cd_queue_pc(ide_drive_t
*, const unsigned char *, int, void *,
108 unsigned *, struct request_sense
*, int, unsigned int);
109 int ide_cd_read_toc(ide_drive_t
*, struct request_sense
*);
110 int ide_cdrom_get_capabilities(ide_drive_t
*, u8
*);
111 void ide_cdrom_update_speed(ide_drive_t
*, u8
*);
112 int cdrom_check_status(ide_drive_t
*, struct request_sense
*);
115 int ide_cdrom_open_real(struct cdrom_device_info
*, int);
116 void ide_cdrom_release_real(struct cdrom_device_info
*);
117 int ide_cdrom_drive_status(struct cdrom_device_info
*, int);
118 int ide_cdrom_check_media_change_real(struct cdrom_device_info
*, int);
119 int ide_cdrom_tray_move(struct cdrom_device_info
*, int);
120 int ide_cdrom_lock_door(struct cdrom_device_info
*, int);
121 int ide_cdrom_select_speed(struct cdrom_device_info
*, int);
122 int ide_cdrom_get_last_session(struct cdrom_device_info
*,
123 struct cdrom_multisession
*);
124 int ide_cdrom_get_mcn(struct cdrom_device_info
*, struct cdrom_mcn
*);
125 int ide_cdrom_reset(struct cdrom_device_info
*cdi
);
126 int ide_cdrom_audio_ioctl(struct cdrom_device_info
*, unsigned int, void *);
127 int ide_cdrom_packet(struct cdrom_device_info
*, struct packet_command
*);
129 #endif /* _IDE_CD_H */