Root/
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 |
7 | |
8 | #include <linux/cdrom.h> |
9 | #include <asm/byteorder.h> |
10 | |
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 | |
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) |
29 | |
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 | |
34 | /* Structure of a MSF cdrom address. */ |
35 | struct atapi_msf { |
36 | u8 reserved; |
37 | u8 minute; |
38 | u8 second; |
39 | u8 frame; |
40 | }; |
41 | |
42 | /* Space to hold the disk TOC. */ |
43 | #define MAX_TRACKS 99 |
44 | struct atapi_toc_header { |
45 | unsigned short toc_length; |
46 | u8 first_track; |
47 | u8 last_track; |
48 | }; |
49 | |
50 | struct atapi_toc_entry { |
51 | u8 reserved1; |
52 | #if defined(__BIG_ENDIAN_BITFIELD) |
53 | u8 adr : 4; |
54 | u8 control : 4; |
55 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
56 | u8 control : 4; |
57 | u8 adr : 4; |
58 | #else |
59 | #error "Please fix <asm/byteorder.h>" |
60 | #endif |
61 | u8 track; |
62 | u8 reserved2; |
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 | |
78 | /* Extra per-device info for cdrom drives. */ |
79 | struct cdrom_info { |
80 | ide_drive_t *drive; |
81 | struct ide_driver *driver; |
82 | struct gendisk *disk; |
83 | struct device dev; |
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 | |
90 | u8 max_speed; /* Max speed of the drive. */ |
91 | u8 current_speed; /* Current speed of the drive. */ |
92 | |
93 | /* Per-device info needed by cdrom.c generic driver. */ |
94 | struct cdrom_device_info devinfo; |
95 | |
96 | unsigned long write_timeout; |
97 | }; |
98 | |
99 | /* ide-cd_verbose.c */ |
100 | void ide_cd_log_error(const char *, struct request *, struct request_sense *); |
101 | |
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 *); |
109 | |
110 | /* ide-cd_ioctl.c */ |
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 | unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *, |
115 | unsigned int clearing, int slot_nr); |
116 | int ide_cdrom_tray_move(struct cdrom_device_info *, int); |
117 | int ide_cdrom_lock_door(struct cdrom_device_info *, int); |
118 | int ide_cdrom_select_speed(struct cdrom_device_info *, int); |
119 | int ide_cdrom_get_last_session(struct cdrom_device_info *, |
120 | struct cdrom_multisession *); |
121 | int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); |
122 | int ide_cdrom_reset(struct cdrom_device_info *cdi); |
123 | int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); |
124 | int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *); |
125 | |
126 | #endif /* _IDE_CD_H */ |
127 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9