Commit | Line | Data |
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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 | ||
1da177e4 LT |
11 | /* |
12 | * typical timeout for packet command | |
13 | */ | |
14 | #define ATAPI_WAIT_PC (60 * HZ) | |
15 | #define ATAPI_WAIT_WRITE_BUSY (10 * HZ) | |
16 | ||
17 | /************************************************************************/ | |
18 | ||
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) | |
1da177e4 | 25 | |
455d80a9 BZ |
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 | |
29 | ||
2bc4cf2d BZ |
30 | enum { |
31 | /* Device sends an interrupt when ready for a packet command. */ | |
32 | IDE_CD_FLAG_DRQ_INTERRUPT = (1 << 0), | |
33 | /* Drive cannot lock the door. */ | |
34 | IDE_CD_FLAG_NO_DOORLOCK = (1 << 1), | |
35 | /* Drive cannot eject the disc. */ | |
36 | IDE_CD_FLAG_NO_EJECT = (1 << 2), | |
e59724c7 BZ |
37 | /* Drive is a pre ATAPI 1.2 drive. */ |
38 | IDE_CD_FLAG_PRE_ATAPI12 = (1 << 3), | |
2bc4cf2d BZ |
39 | /* TOC addresses are in BCD. */ |
40 | IDE_CD_FLAG_TOCADDR_AS_BCD = (1 << 4), | |
41 | /* TOC track numbers are in BCD. */ | |
42 | IDE_CD_FLAG_TOCTRACKS_AS_BCD = (1 << 5), | |
43 | /* | |
44 | * Drive does not provide data in multiples of SECTOR_SIZE | |
45 | * when more than one interrupt is needed. | |
46 | */ | |
47 | IDE_CD_FLAG_LIMIT_NFRAMES = (1 << 6), | |
48 | /* Seeking in progress. */ | |
49 | IDE_CD_FLAG_SEEKING = (1 << 7), | |
50 | /* Driver has noticed a media change. */ | |
51 | IDE_CD_FLAG_MEDIA_CHANGED = (1 << 8), | |
52 | /* Saved TOC information is current. */ | |
53 | IDE_CD_FLAG_TOC_VALID = (1 << 9), | |
54 | /* We think that the drive door is locked. */ | |
55 | IDE_CD_FLAG_DOOR_LOCKED = (1 << 10), | |
56 | /* SET_CD_SPEED command is unsupported. */ | |
57 | IDE_CD_FLAG_NO_SPEED_SELECT = (1 << 11), | |
e59724c7 BZ |
58 | IDE_CD_FLAG_VERTOS_300_SSD = (1 << 12), |
59 | IDE_CD_FLAG_VERTOS_600_ESD = (1 << 13), | |
60 | IDE_CD_FLAG_SANYO_3CD = (1 << 14), | |
61 | IDE_CD_FLAG_FULL_CAPS_PAGE = (1 << 15), | |
62 | IDE_CD_FLAG_PLAY_AUDIO_OK = (1 << 16), | |
63 | IDE_CD_FLAG_LE_SPEED_FIELDS = (1 << 17), | |
1da177e4 LT |
64 | }; |
65 | ||
1da177e4 LT |
66 | /* Structure of a MSF cdrom address. */ |
67 | struct atapi_msf { | |
68 | byte reserved; | |
69 | byte minute; | |
70 | byte second; | |
71 | byte frame; | |
72 | }; | |
73 | ||
74 | /* Space to hold the disk TOC. */ | |
75 | #define MAX_TRACKS 99 | |
76 | struct atapi_toc_header { | |
77 | unsigned short toc_length; | |
78 | byte first_track; | |
79 | byte last_track; | |
80 | }; | |
81 | ||
82 | struct atapi_toc_entry { | |
83 | byte reserved1; | |
84 | #if defined(__BIG_ENDIAN_BITFIELD) | |
85 | __u8 adr : 4; | |
86 | __u8 control : 4; | |
87 | #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
88 | __u8 control : 4; | |
89 | __u8 adr : 4; | |
90 | #else | |
91 | #error "Please fix <asm/byteorder.h>" | |
92 | #endif | |
93 | byte track; | |
94 | byte reserved2; | |
95 | union { | |
96 | unsigned lba; | |
97 | struct atapi_msf msf; | |
98 | } addr; | |
99 | }; | |
100 | ||
101 | struct atapi_toc { | |
102 | int last_session_lba; | |
103 | int xa_flag; | |
104 | unsigned long capacity; | |
105 | struct atapi_toc_header hdr; | |
106 | struct atapi_toc_entry ent[MAX_TRACKS+1]; | |
107 | /* One extra for the leadout. */ | |
108 | }; | |
109 | ||
1da177e4 LT |
110 | /* Extra per-device info for cdrom drives. */ |
111 | struct cdrom_info { | |
112 | ide_drive_t *drive; | |
113 | ide_driver_t *driver; | |
114 | struct gendisk *disk; | |
115 | struct kref kref; | |
116 | ||
117 | /* Buffer for table of contents. NULL if we haven't allocated | |
118 | a TOC buffer for this device yet. */ | |
119 | ||
120 | struct atapi_toc *toc; | |
121 | ||
1da177e4 LT |
122 | /* The result of the last successful request sense command |
123 | on this device. */ | |
124 | struct request_sense sense_data; | |
125 | ||
126 | struct request request_sense_request; | |
127 | int dma; | |
1da177e4 LT |
128 | unsigned long last_block; |
129 | unsigned long start_seek; | |
1da177e4 | 130 | |
2bc4cf2d BZ |
131 | unsigned int cd_flags; |
132 | ||
133 | u8 max_speed; /* Max speed of the drive. */ | |
134 | u8 current_speed; /* Current speed of the drive. */ | |
1da177e4 LT |
135 | |
136 | /* Per-device info needed by cdrom.c generic driver. */ | |
137 | struct cdrom_device_info devinfo; | |
138 | ||
139 | unsigned long write_timeout; | |
140 | }; | |
141 | ||
972560fb BZ |
142 | /* ide-cd_verbose.c */ |
143 | void ide_cd_log_error(const char *, struct request *, struct request_sense *); | |
1da177e4 | 144 | |
17802998 BZ |
145 | /* ide-cd.c functions used by ide-cd_ioctl.c */ |
146 | void ide_cd_init_rq(ide_drive_t *, struct request *); | |
147 | int ide_cd_queue_pc(ide_drive_t *, struct request *); | |
17802998 BZ |
148 | int ide_cd_read_toc(ide_drive_t *, struct request_sense *); |
149 | int ide_cdrom_get_capabilities(ide_drive_t *, u8 *); | |
150 | void ide_cdrom_update_speed(ide_drive_t *, u8 *); | |
f9afd18b | 151 | int cdrom_check_status(ide_drive_t *, struct request_sense *); |
17802998 BZ |
152 | |
153 | /* ide-cd_ioctl.c */ | |
f9afd18b BP |
154 | int ide_cdrom_open_real(struct cdrom_device_info *, int); |
155 | void ide_cdrom_release_real(struct cdrom_device_info *); | |
156 | int ide_cdrom_drive_status(struct cdrom_device_info *, int); | |
157 | int ide_cdrom_check_media_change_real(struct cdrom_device_info *, int); | |
158 | int ide_cdrom_tray_move(struct cdrom_device_info *, int); | |
17802998 BZ |
159 | int ide_cdrom_lock_door(struct cdrom_device_info *, int); |
160 | int ide_cdrom_select_speed(struct cdrom_device_info *, int); | |
161 | int ide_cdrom_get_last_session(struct cdrom_device_info *, | |
162 | struct cdrom_multisession *); | |
163 | int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); | |
164 | int ide_cdrom_reset(struct cdrom_device_info *cdi); | |
165 | int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); | |
f9afd18b | 166 | int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *); |
17802998 | 167 | |
1da177e4 | 168 | #endif /* _IDE_CD_H */ |