FreeBSD/Linux Kernel Cross Reference
sys/sys/cdio.h

     /*      $NetBSD: cdio.h,v 1.26.6.1 2008/02/01 14:42:54 riz Exp $        */
     
     #ifndef _SYS_CDIO_H_
     #define _SYS_CDIO_H_
     
     /* Shared between kernel & process */
     
     union msf_lba {
             struct {
                    u_char unused;
                    u_char minute;
                    u_char second;
                    u_char frame;
            } msf;
            uint32_t lba;
            u_char  addr[4];
    };
    
    struct cd_toc_entry {
            u_char  nothing1;
    #if BYTE_ORDER == LITTLE_ENDIAN
            u_char  control:4;
            u_char  addr_type:4;
    #endif
    #if BYTE_ORDER == BIG_ENDIAN
            u_char  addr_type:4;
            u_char  control:4;
    #endif
            u_char  track;
            u_char  nothing2;
            union msf_lba   addr;
    };
    
    struct cd_sub_channel_header {
            u_char  nothing1;
            u_char  audio_status;
    #define CD_AS_AUDIO_INVALID     0x00
    #define CD_AS_PLAY_IN_PROGRESS  0x11
    #define CD_AS_PLAY_PAUSED       0x12
    #define CD_AS_PLAY_COMPLETED    0x13
    #define CD_AS_PLAY_ERROR        0x14
    #define CD_AS_NO_STATUS         0x15
            u_char  data_len[2];
    };
    
    struct cd_sub_channel_q_data {
            u_char  data_format;
    #if BYTE_ORDER == LITTLE_ENDIAN
            u_char  control:4;
            u_char  addr_type:4;
    #endif
    #if BYTE_ORDER == BIG_ENDIAN
            u_char  addr_type:4;
            u_char  control:4;
    #endif
            u_char  track_number;
            u_char  index_number;
            u_char  absaddr[4];
            u_char  reladdr[4];
    #if BYTE_ORDER == LITTLE_ENDIAN
            u_char  :7;
            u_char  mc_valid:1;
    #endif
    #if BYTE_ORDER == BIG_ENDIAN
            u_char  mc_valid:1;
            u_char  :7;
    #endif
            u_char  mc_number[15];
    #if BYTE_ORDER == LITTLE_ENDIAN
            u_char  :7;
            u_char  ti_valid:1;
    #endif
    #if BYTE_ORDER == BIG_ENDIAN
            u_char  ti_valid:1;
            u_char  :7;
    #endif
            u_char  ti_number[15];
    };
    
    struct cd_sub_channel_position_data {
            u_char  data_format;
    #if BYTE_ORDER == LITTLE_ENDIAN
            u_char  control:4;
            u_char  addr_type:4;
    #endif
    #if BYTE_ORDER == BIG_ENDIAN
            u_char  addr_type:4;
            u_char  control:4;
    #endif
            u_char  track_number;
            u_char  index_number;
            union msf_lba   absaddr;
            union msf_lba   reladdr;
    };
    
    struct cd_sub_channel_media_catalog {
            u_char  data_format;
            u_char  nothing1;
            u_char  nothing2;
           u_char  nothing3;
   #if BYTE_ORDER == LITTLE_ENDIAN
           u_char  :7;
           u_char  mc_valid:1;
   #endif
   #if BYTE_ORDER == BIG_ENDIAN
           u_char  mc_valid:1;
           u_char  :7;
   #endif
           u_char  mc_number[15];
   };
   
   struct cd_sub_channel_track_info {
           u_char  data_format;
           u_char  nothing1;
           u_char  track_number;
           u_char  nothing2;
   #if BYTE_ORDER == LITTLE_ENDIAN
           u_char  :7;
           u_char  ti_valid:1;
   #endif
   #if BYTE_ORDER == BIG_ENDIAN
           u_char  ti_valid:1;
           u_char  :7;
   #endif
           u_char  ti_number[15];
   };
   
   struct cd_sub_channel_info {
           struct cd_sub_channel_header header;
           union {
                   struct cd_sub_channel_q_data q_data;
                   struct cd_sub_channel_position_data position;
                   struct cd_sub_channel_media_catalog media_catalog;
                   struct cd_sub_channel_track_info track_info;
           } what;
   };
   
   /*
    * Ioctls for the CD drive
    */
   struct ioc_play_track {
           u_char  start_track;
           u_char  start_index;
           u_char  end_track;
           u_char  end_index;
   };
   
   #define CDIOCPLAYTRACKS _IOW('c', 1, struct ioc_play_track)
   struct ioc_play_blocks {
           int     blk;
           int     len;
   };
   #define CDIOCPLAYBLOCKS _IOW('c', 2, struct ioc_play_blocks)
   
   struct ioc_read_subchannel {
           u_char  address_format;
   #define CD_LBA_FORMAT           1
   #define CD_MSF_FORMAT           2
           u_char  data_format;
   #define CD_SUBQ_DATA            0
   #define CD_CURRENT_POSITION     1
   #define CD_MEDIA_CATALOG        2
   #define CD_TRACK_INFO           3
           u_char  track;
           int     data_len;
           struct  cd_sub_channel_info *data;
   };
   #define CDIOCREADSUBCHANNEL _IOWR('c', 3, struct ioc_read_subchannel )
   
   struct ioc_toc_header {
           u_short len;
           u_char  starting_track;
           u_char  ending_track;
   };
   
   #define CDIOREADTOCHEADER _IOR('c', 4, struct ioc_toc_header)
   
   struct ioc_read_toc_entry {
           u_char  address_format;
           u_char  starting_track;
           u_short data_len;
           struct  cd_toc_entry *data;
   };
   #define CDIOREADTOCENTRIES _IOWR('c', 5, struct ioc_read_toc_entry)
   #define CDIOREADTOCENTRYS CDIOREADTOCENTRIES
   
   /* read LBA start of a given session; 0=last, others not yet supported */
   #define CDIOREADMSADDR _IOWR('c', 6, int)
   
   struct  ioc_patch {
           u_char  patch[4];       /* one for each channel */
   };
   #define CDIOCSETPATCH   _IOW('c', 9, struct ioc_patch)
   
   struct  ioc_vol {
           u_char  vol[4]; /* one for each channel */
   };
   #define CDIOCGETVOL     _IOR('c', 10, struct ioc_vol)
   #define CDIOCSETVOL     _IOW('c', 11, struct ioc_vol)
   #define CDIOCSETMONO    _IO('c', 12)
   #define CDIOCSETSTEREO  _IO('c', 13)
   #define CDIOCSETMUTE    _IO('c', 14)
   #define CDIOCSETLEFT    _IO('c', 15)
   #define CDIOCSETRIGHT   _IO('c', 16)
   #define CDIOCSETDEBUG   _IO('c', 17)
   #define CDIOCCLRDEBUG   _IO('c', 18)
   #define CDIOCPAUSE      _IO('c', 19)
   #define CDIOCRESUME     _IO('c', 20)
   #define CDIOCRESET      _IO('c', 21)
   #define CDIOCSTART      _IO('c', 22)
   #define CDIOCSTOP       _IO('c', 23)
   #define CDIOCEJECT      _IO('c', 24)
   #define CDIOCALLOW      _IO('c', 25)
   #define CDIOCPREVENT    _IO('c', 26)
   #define CDIOCCLOSE      _IO('c', 27)
   
   struct ioc_play_msf {
           u_char  start_m;
           u_char  start_s;
           u_char  start_f;
           u_char  end_m;
           u_char  end_s;
           u_char  end_f;
   };
   #define CDIOCPLAYMSF    _IOW('c', 25, struct ioc_play_msf)
   
   struct ioc_load_unload {
           u_char options;
   #define CD_LU_ABORT     0x1     /* NOTE: These are the same as the ATAPI */
   #define CD_LU_UNLOAD    0x2     /* op values for the LOAD_UNLOAD command */
   #define CD_LU_LOAD      0x3
           u_char slot;
   };
   #define         CDIOCLOADUNLOAD _IOW('c', 26, struct ioc_load_unload)
   
   
   #if defined(_KERNEL) || defined(_EXPOSE_MMC)
   /* not exposed to userland yet until its completely mature */
   /*
    * MMC device abstraction interface.
    *
    * It gathers information from GET_CONFIGURATION, READ_DISCINFO,
    * READ_TRACKINFO, READ_TOC2, READ_CD_CAPACITY and GET_CONFIGURATION
    * SCSI/ATAPI calls regardless if its a legacy CD-ROM/DVD-ROM device or a MMC
    * standard recordable device.
    */
   struct mmc_discinfo {
           uint16_t        mmc_profile;
           uint16_t        mmc_class;
   
           uint8_t         disc_state;
           uint8_t         last_session_state;
           uint8_t         bg_format_state;
           uint8_t         link_block_penalty;     /* in sectors              */
   
           uint64_t        mmc_cur;                /* current MMC_CAPs        */
           uint64_t        mmc_cap;                /* possible MMC_CAPs       */
   
           uint32_t        disc_flags;             /* misc flags              */
   
           uint32_t        disc_id;
           uint64_t        disc_barcode;
           uint8_t         application_code;       /* 8 bit really            */
   
           uint8_t         unused1[3];             /* padding                 */
   
           uint32_t        last_possible_lba;      /* last leadout start adr. */
           uint32_t        sector_size;
   
           uint16_t        num_sessions;
           uint16_t        num_tracks;             /* derived */
   
           uint16_t        first_track;
           uint16_t        first_track_last_session;
           uint16_t        last_track_last_session;
   
           uint16_t        unused2;                /* padding/misc info resv. */
   
           uint16_t        reserved1[4];           /* MMC-5 track resources   */
           uint32_t        reserved2[3];           /* MMC-5 POW resources     */
   
           uint32_t        reserved3[8];           /* MMC-5+ */
   };
   #define MMCGETDISCINFO  _IOR('c', 28, struct mmc_discinfo)
   
   #define MMC_CLASS_UNKN  0
   #define MMC_CLASS_DISC  1
   #define MMC_CLASS_CD    2
   #define MMC_CLASS_DVD   3
   #define MMC_CLASS_MO    4
   #define MMC_CLASS_BD    5
   #define MMC_CLASS_FILE  0xffff  /* emulation mode */
   
   #define MMC_DFLAGS_BARCODEVALID (1 <<  0)  /* barcode is present and valid   */
   #define MMC_DFLAGS_DISCIDVALID  (1 <<  1)  /* discid is present and valid    */
   #define MMC_DFLAGS_APPCODEVALID (1 <<  2)  /* application code valid         */
   #define MMC_DFLAGS_UNRESTRICTED (1 <<  3)  /* restricted, then set app. code */
   
   #define MMC_DFLAGS_FLAGBITS \
       "\1\1BARCODEVALID\2DISCIDVALID\3APPCODEVALID\4UNRESTRICTED"
   
   #define MMC_CAP_SEQUENTIAL      (1 <<  0)  /* sequential writable only       */
   #define MMC_CAP_RECORDABLE      (1 <<  1)  /* record-able; i.e. not static   */
   #define MMC_CAP_ERASABLE        (1 <<  2)  /* drive can erase sectors        */
   #define MMC_CAP_BLANKABLE       (1 <<  3)  /* media can be blanked           */
   #define MMC_CAP_FORMATTABLE     (1 <<  4)  /* media can be formatted         */
   #define MMC_CAP_REWRITABLE      (1 <<  5)  /* media can be rewritten         */
   #define MMC_CAP_MRW             (1 <<  6)  /* Mount Rainier formatted        */
   #define MMC_CAP_PACKET          (1 <<  7)  /* using packet recording         */
   #define MMC_CAP_STRICTOVERWRITE (1 <<  8)  /* only writes a packet at a time */
   #define MMC_CAP_PSEUDOOVERWRITE (1 <<  9)  /* overwrite through replacement  */
   #define MMC_CAP_ZEROLINKBLK     (1 << 10)  /* zero link block length capable */
   #define MMC_CAP_HW_DEFECTFREE   (1 << 11)  /* hardware defect management     */
   
   #define MMC_CAP_FLAGBITS \
       "\1\1SEQUENTIAL\2RECORDABLE\3ERASABLE\4BLANKABLE\5FORMATTABLE" \
       "\6REWRITABLE\7MRW\10PACKET\11STRICTOVERWRITE\12PSEUDOOVERWRITE" \
       "\13ZEROLINKBLK\14HW_DEFECTFREE"
   
   #define MMC_STATE_EMPTY         0
   #define MMC_STATE_INCOMPLETE    1
   #define MMC_STATE_FULL          2
   #define MMC_STATE_CLOSED        3
   
   #define MMC_BGFSTATE_UNFORM     0
   #define MMC_BGFSTATE_STOPPED    1
   #define MMC_BGFSTATE_RUNNING    2
   #define MMC_BGFSTATE_COMPLETED  3
   
   
   struct mmc_trackinfo {
           uint16_t        tracknr;        /* IN/OUT */
           uint16_t        sessionnr;
   
           uint8_t         track_mode;
           uint8_t         data_mode;
   
           uint16_t        flags;
   
           uint32_t        track_start;
           uint32_t        next_writable;
           uint32_t        free_blocks;
           uint32_t        packet_size;
           uint32_t        track_size;
           uint32_t        last_recorded;
   };
   #define MMCGETTRACKINFO _IOWR('c', 29, struct mmc_trackinfo)
   
   #define MMC_TRACKINFO_COPY              (1 << 0)
   #define MMC_TRACKINFO_DAMAGED           (1 << 1)
   #define MMC_TRACKINFO_FIXED_PACKET      (1 << 2)
   #define MMC_TRACKINFO_INCREMENTAL       (1 << 3)
   #define MMC_TRACKINFO_BLANK             (1 << 4)
   #define MMC_TRACKINFO_RESERVED          (1 << 5)
   #define MMC_TRACKINFO_NWA_VALID         (1 << 6)
   #define MMC_TRACKINFO_LRA_VALID         (1 << 7)
   
   #define MMC_TRACKINFO_FLAGBITS \
       "\8\1COPY\2DAMAGED\3FIXEDPACKET\4INCREMENTAL\5BLANK" \
       "\6RESERVED\7NWA_VALID\10LRA_VALID"
   
   #endif /* _KERNEL || _EXPOSE_MMC */
   
   #endif /* !_SYS_CDIO_H_ */

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