Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
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 | |
7 | ||
8 | #include <linux/cdrom.h> | |
9 | #include <asm/byteorder.h> | |
10 | ||
0f38aaa4 BP |
11 | #define IDECD_DEBUG_LOG 0 |
12 | ||
13 | #if IDECD_DEBUG_LOG | |
14 | #define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args) | |
15 | #else | |
16 | #define ide_debug_log(lvl, fmt, args...) do {} while (0) | |
17 | #endif | |
18 | ||
1da177e4 LT |
19 | #define ATAPI_WAIT_WRITE_BUSY (10 * HZ) |
20 | ||
21 | /************************************************************************/ | |
22 | ||
23 | #define SECTOR_BITS 9 | |
24 | #ifndef SECTOR_SIZE | |
25 | #define SECTOR_SIZE (1 << SECTOR_BITS) | |
26 | #endif | |
27 | #define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_BITS) | |
28 | #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32) | |
1da177e4 | 29 | |
455d80a9 BZ |
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 | |
33 | ||
1da177e4 LT |
34 | /* Structure of a MSF cdrom address. */ |
35 | struct atapi_msf { | |
9892ec54 BZ |
36 | u8 reserved; |
37 | u8 minute; | |
38 | u8 second; | |
39 | u8 frame; | |
1da177e4 LT |
40 | }; |
41 | ||
42 | /* Space to hold the disk TOC. */ | |
43 | #define MAX_TRACKS 99 | |
44 | struct atapi_toc_header { | |
45 | unsigned short toc_length; | |
9892ec54 BZ |
46 | u8 first_track; |
47 | u8 last_track; | |
1da177e4 LT |
48 | }; |
49 | ||
50 | struct atapi_toc_entry { | |
9892ec54 | 51 | u8 reserved1; |
1da177e4 | 52 | #if defined(__BIG_ENDIAN_BITFIELD) |
9892ec54 BZ |
53 | u8 adr : 4; |
54 | u8 control : 4; | |
1da177e4 | 55 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
9892ec54 BZ |
56 | u8 control : 4; |
57 | u8 adr : 4; | |
1da177e4 LT |
58 | #else |
59 | #error "Please fix <asm/byteorder.h>" | |
60 | #endif | |
9892ec54 BZ |
61 | u8 track; |
62 | u8 reserved2; | |
1da177e4 LT |
63 | union { |
64 | unsigned lba; | |
65 | struct atapi_msf msf; | |
66 | } addr; | |
67 | }; | |
68 | ||
69 | struct atapi_toc { | |
70 | int last_session_lba; | |
71 | int xa_flag; | |
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. */ | |
76 | }; | |
77 | ||
1da177e4 LT |
78 | /* Extra per-device info for cdrom drives. */ |
79 | struct cdrom_info { | |
7f3c868b BZ |
80 | ide_drive_t *drive; |
81 | struct ide_driver *driver; | |
82 | struct gendisk *disk; | |
83 | struct kref kref; | |
1da177e4 LT |
84 | |
85 | /* Buffer for table of contents. NULL if we haven't allocated | |
86 | a TOC buffer for this device yet. */ | |
87 | ||
88 | struct atapi_toc *toc; | |
89 | ||
1da177e4 LT |
90 | /* The result of the last successful request sense command |
91 | on this device. */ | |
92 | struct request_sense sense_data; | |
93 | ||
94 | struct request request_sense_request; | |
1da177e4 | 95 | |
2bc4cf2d BZ |
96 | u8 max_speed; /* Max speed of the drive. */ |
97 | u8 current_speed; /* Current speed of the drive. */ | |
1da177e4 LT |
98 | |
99 | /* Per-device info needed by cdrom.c generic driver. */ | |
100 | struct cdrom_device_info devinfo; | |
101 | ||
102 | unsigned long write_timeout; | |
103 | }; | |
104 | ||
972560fb BZ |
105 | /* ide-cd_verbose.c */ |
106 | void ide_cd_log_error(const char *, struct request *, struct request_sense *); | |
1da177e4 | 107 | |
17802998 | 108 | /* ide-cd.c functions used by ide-cd_ioctl.c */ |
5f828546 FT |
109 | int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *, |
110 | unsigned *, struct request_sense *, int, unsigned int); | |
17802998 BZ |
111 | int ide_cd_read_toc(ide_drive_t *, struct request_sense *); |
112 | int ide_cdrom_get_capabilities(ide_drive_t *, u8 *); | |
113 | void ide_cdrom_update_speed(ide_drive_t *, u8 *); | |
f9afd18b | 114 | int cdrom_check_status(ide_drive_t *, struct request_sense *); |
17802998 BZ |
115 | |
116 | /* ide-cd_ioctl.c */ | |
f9afd18b BP |
117 | int ide_cdrom_open_real(struct cdrom_device_info *, int); |
118 | void ide_cdrom_release_real(struct cdrom_device_info *); | |
119 | int ide_cdrom_drive_status(struct cdrom_device_info *, int); | |
120 | int ide_cdrom_check_media_change_real(struct cdrom_device_info *, int); | |
121 | int ide_cdrom_tray_move(struct cdrom_device_info *, int); | |
17802998 BZ |
122 | int ide_cdrom_lock_door(struct cdrom_device_info *, int); |
123 | int ide_cdrom_select_speed(struct cdrom_device_info *, int); | |
124 | int ide_cdrom_get_last_session(struct cdrom_device_info *, | |
125 | struct cdrom_multisession *); | |
126 | int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); | |
127 | int ide_cdrom_reset(struct cdrom_device_info *cdi); | |
128 | int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); | |
f9afd18b | 129 | int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *); |
17802998 | 130 | |
1da177e4 | 131 | #endif /* _IDE_CD_H */ |