Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * Copyright (C) 1996-98 Erik Andersen |
4 | * Copyright (C) 1998-2000 Jens Axboe | |
5 | */ | |
6 | #ifndef _IDE_CD_H | |
7 | #define _IDE_CD_H | |
8 | ||
9 | #include <linux/cdrom.h> | |
10 | #include <asm/byteorder.h> | |
11 | ||
0f38aaa4 BP |
12 | #define IDECD_DEBUG_LOG 0 |
13 | ||
14 | #if IDECD_DEBUG_LOG | |
088b1b88 | 15 | #define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, ## args) |
0f38aaa4 BP |
16 | #else |
17 | #define ide_debug_log(lvl, fmt, args...) do {} while (0) | |
18 | #endif | |
19 | ||
1da177e4 LT |
20 | #define ATAPI_WAIT_WRITE_BUSY (10 * HZ) |
21 | ||
22 | /************************************************************************/ | |
23 | ||
233bde21 | 24 | #define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_SHIFT) |
1da177e4 | 25 | #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32) |
1da177e4 | 26 | |
455d80a9 BZ |
27 | /* Capabilities Page size including 8 bytes of Mode Page Header */ |
28 | #define ATAPI_CAPABILITIES_PAGE_SIZE (8 + 20) | |
29 | #define ATAPI_CAPABILITIES_PAGE_PAD_SIZE 4 | |
30 | ||
1da177e4 LT |
31 | /* Structure of a MSF cdrom address. */ |
32 | struct atapi_msf { | |
9892ec54 BZ |
33 | u8 reserved; |
34 | u8 minute; | |
35 | u8 second; | |
36 | u8 frame; | |
1da177e4 LT |
37 | }; |
38 | ||
39 | /* Space to hold the disk TOC. */ | |
40 | #define MAX_TRACKS 99 | |
41 | struct atapi_toc_header { | |
42 | unsigned short toc_length; | |
9892ec54 BZ |
43 | u8 first_track; |
44 | u8 last_track; | |
1da177e4 LT |
45 | }; |
46 | ||
47 | struct atapi_toc_entry { | |
9892ec54 | 48 | u8 reserved1; |
1da177e4 | 49 | #if defined(__BIG_ENDIAN_BITFIELD) |
9892ec54 BZ |
50 | u8 adr : 4; |
51 | u8 control : 4; | |
1da177e4 | 52 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
9892ec54 BZ |
53 | u8 control : 4; |
54 | u8 adr : 4; | |
1da177e4 LT |
55 | #else |
56 | #error "Please fix <asm/byteorder.h>" | |
57 | #endif | |
9892ec54 BZ |
58 | u8 track; |
59 | u8 reserved2; | |
1da177e4 LT |
60 | union { |
61 | unsigned lba; | |
62 | struct atapi_msf msf; | |
63 | } addr; | |
64 | }; | |
65 | ||
66 | struct atapi_toc { | |
67 | int last_session_lba; | |
68 | int xa_flag; | |
69 | unsigned long capacity; | |
70 | struct atapi_toc_header hdr; | |
71 | struct atapi_toc_entry ent[MAX_TRACKS+1]; | |
72 | /* One extra for the leadout. */ | |
73 | }; | |
74 | ||
1da177e4 LT |
75 | /* Extra per-device info for cdrom drives. */ |
76 | struct cdrom_info { | |
7f3c868b BZ |
77 | ide_drive_t *drive; |
78 | struct ide_driver *driver; | |
79 | struct gendisk *disk; | |
8fed4368 | 80 | struct device dev; |
1da177e4 LT |
81 | |
82 | /* Buffer for table of contents. NULL if we haven't allocated | |
83 | a TOC buffer for this device yet. */ | |
84 | ||
85 | struct atapi_toc *toc; | |
86 | ||
2bc4cf2d BZ |
87 | u8 max_speed; /* Max speed of the drive. */ |
88 | u8 current_speed; /* Current speed of the drive. */ | |
1da177e4 LT |
89 | |
90 | /* Per-device info needed by cdrom.c generic driver. */ | |
91 | struct cdrom_device_info devinfo; | |
92 | ||
93 | unsigned long write_timeout; | |
94 | }; | |
95 | ||
972560fb BZ |
96 | /* ide-cd_verbose.c */ |
97 | void ide_cd_log_error(const char *, struct request *, struct request_sense *); | |
1da177e4 | 98 | |
17802998 | 99 | /* ide-cd.c functions used by ide-cd_ioctl.c */ |
5f828546 | 100 | int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *, |
e8064021 | 101 | unsigned *, struct request_sense *, int, req_flags_t); |
17802998 BZ |
102 | int ide_cd_read_toc(ide_drive_t *, struct request_sense *); |
103 | int ide_cdrom_get_capabilities(ide_drive_t *, u8 *); | |
104 | void ide_cdrom_update_speed(ide_drive_t *, u8 *); | |
f9afd18b | 105 | int cdrom_check_status(ide_drive_t *, struct request_sense *); |
17802998 BZ |
106 | |
107 | /* ide-cd_ioctl.c */ | |
f9afd18b BP |
108 | int ide_cdrom_open_real(struct cdrom_device_info *, int); |
109 | void ide_cdrom_release_real(struct cdrom_device_info *); | |
110 | int ide_cdrom_drive_status(struct cdrom_device_info *, int); | |
5b03a1b1 TH |
111 | unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *, |
112 | unsigned int clearing, int slot_nr); | |
f9afd18b | 113 | int ide_cdrom_tray_move(struct cdrom_device_info *, int); |
17802998 BZ |
114 | int ide_cdrom_lock_door(struct cdrom_device_info *, int); |
115 | int ide_cdrom_select_speed(struct cdrom_device_info *, int); | |
116 | int ide_cdrom_get_last_session(struct cdrom_device_info *, | |
117 | struct cdrom_multisession *); | |
118 | int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); | |
119 | int ide_cdrom_reset(struct cdrom_device_info *cdi); | |
120 | int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); | |
f9afd18b | 121 | int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *); |
17802998 | 122 | |
1da177e4 | 123 | #endif /* _IDE_CD_H */ |