USB: storage: unusual_devs entry for Mio C520-GPS
[linux-2.6/mini2440.git] / drivers / ide / ide-cd.h
blob5882b9a9ea8b7becc8108872e996ab9f852af95d
1 /*
2 * Copyright (C) 1996-98 Erik Andersen
3 * Copyright (C) 1998-2000 Jens Axboe
4 */
5 #ifndef _IDE_CD_H
6 #define _IDE_CD_H
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 /************************************************************************/
19 #define SECTOR_BITS 9
20 #ifndef SECTOR_SIZE
21 #define SECTOR_SIZE (1 << SECTOR_BITS)
22 #endif
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. */
31 struct atapi_msf {
32 byte reserved;
33 byte minute;
34 byte second;
35 byte frame;
38 /* Space to hold the disk TOC. */
39 #define MAX_TRACKS 99
40 struct atapi_toc_header {
41 unsigned short toc_length;
42 byte first_track;
43 byte last_track;
46 struct atapi_toc_entry {
47 byte reserved1;
48 #if defined(__BIG_ENDIAN_BITFIELD)
49 __u8 adr : 4;
50 __u8 control : 4;
51 #elif defined(__LITTLE_ENDIAN_BITFIELD)
52 __u8 control : 4;
53 __u8 adr : 4;
54 #else
55 #error "Please fix <asm/byteorder.h>"
56 #endif
57 byte track;
58 byte reserved2;
59 union {
60 unsigned lba;
61 struct atapi_msf msf;
62 } addr;
65 struct atapi_toc {
66 int last_session_lba;
67 int xa_flag;
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. */
75 struct cdrom_info {
76 ide_drive_t *drive;
77 ide_driver_t *driver;
78 struct gendisk *disk;
79 struct kref kref;
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
87 on this device. */
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 *);
114 /* ide-cd_ioctl.c */
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 */