projects / mirror_ubuntu-artful-kernel.git / blame
| 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 | ||
| 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 | ||
| 1da177e4 LT |
30 | /* Structure of a MSF cdrom address. */ |
| 31 | struct atapi_msf { | |
| 32 | byte reserved; | |
| 33 | byte minute; | |
| 34 | byte second; | |
| 35 | byte frame; | |
| 36 | }; | |
| 37 | ||
| 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; | |
| 44 | }; | |
| 45 | ||
| 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; | |
| 63 | }; | |
| 64 | ||
| 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. */ | |
| 72 | }; | |
| 73 | ||
| 1da177e4 LT |
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; | |
| 80 | ||
| 81 | /* Buffer for table of contents. NULL if we haven't allocated | |
| 82 | a TOC buffer for this device yet. */ | |
| 83 | ||
| 84 | struct atapi_toc *toc; | |
| 85 | ||
| 1da177e4 LT |
86 | /* The result of the last successful request sense command |
| 87 | on this device. */ | |
| 88 | struct request_sense sense_data; | |
| 89 | ||
| 90 | struct request request_sense_request; | |
| 1da177e4 | 91 | |
| 2bc4cf2d BZ |
92 | u8 max_speed; /* Max speed of the drive. */ |
| 93 | u8 current_speed; /* Current speed of the drive. */ | |
| 1da177e4 LT |
94 | |
| 95 | /* Per-device info needed by cdrom.c generic driver. */ | |
| 96 | struct cdrom_device_info devinfo; | |
| 97 | ||
| 98 | unsigned long write_timeout; | |
| 99 | }; | |
| 100 | ||
| 972560fb BZ |
101 | /* ide-cd_verbose.c */ |
| 102 | void ide_cd_log_error(const char *, struct request *, struct request_sense *); | |
| 1da177e4 | 103 | |
| 17802998 | 104 | /* ide-cd.c functions used by ide-cd_ioctl.c */ |
| 5f828546 FT |
105 | int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *, |
| 106 | unsigned *, struct request_sense *, int, unsigned int); | |
| 17802998 BZ |
107 | int ide_cd_read_toc(ide_drive_t *, struct request_sense *); |
| 108 | int ide_cdrom_get_capabilities(ide_drive_t *, u8 *); | |
| 109 | void ide_cdrom_update_speed(ide_drive_t *, u8 *); | |
| f9afd18b | 110 | int cdrom_check_status(ide_drive_t *, struct request_sense *); |
| 17802998 BZ |
111 | |
| 112 | /* ide-cd_ioctl.c */ | |
| f9afd18b BP |
113 | int ide_cdrom_open_real(struct cdrom_device_info *, int); |
| 114 | void ide_cdrom_release_real(struct cdrom_device_info *); | |
| 115 | int ide_cdrom_drive_status(struct cdrom_device_info *, int); | |
| 116 | int ide_cdrom_check_media_change_real(struct cdrom_device_info *, int); | |
| 117 | int ide_cdrom_tray_move(struct cdrom_device_info *, int); | |
| 17802998 BZ |
118 | int ide_cdrom_lock_door(struct cdrom_device_info *, int); |
| 119 | int ide_cdrom_select_speed(struct cdrom_device_info *, int); | |
| 120 | int ide_cdrom_get_last_session(struct cdrom_device_info *, | |
| 121 | struct cdrom_multisession *); | |
| 122 | int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); | |
| 123 | int ide_cdrom_reset(struct cdrom_device_info *cdi); | |
| 124 | int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); | |
| f9afd18b | 125 | int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *); |
| 17802998 | 126 | |
| 1da177e4 | 127 | #endif /* _IDE_CD_H */ |