/*      $NetBSD: cdio.h,v 1.35 2026/01/08 15:39:08 nia Exp $    */

#ifndef _SYS_CDIO_H_
#define _SYS_CDIO_H_

#include <sys/ioccom.h>
#include <sys/endian.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
        uint32_t        control:4;
        uint32_t        addr_type:4;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        addr_type:4;
        uint32_t        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
        uint32_t        control:4;
        uint32_t        addr_type:4;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        addr_type:4;
        uint32_t        control:4;
#endif
        u_char          track_number;
        u_char          index_number;
        u_char          absaddr[4];
        u_char          reladdr[4];
#if BYTE_ORDER == LITTLE_ENDIAN
        uint32_t        :7;
        uint32_t        mc_valid:1;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        mc_valid:1;
        uint32_t        :7;
#endif
        u_char  mc_number[15];
#if BYTE_ORDER == LITTLE_ENDIAN
        uint32_t        :7;
        uint32_t        ti_valid:1;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        ti_valid:1;
        uint32_t        :7;
#endif
        u_char          ti_number[15];
};

struct cd_sub_channel_position_data {
        u_char          data_format;
#if BYTE_ORDER == LITTLE_ENDIAN
        uint32_t        control:4;
        uint32_t        addr_type:4;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        addr_type:4;
        uint32_t        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
        uint32_t        :7;
        uint32_t        mc_valid:1;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        mc_valid:1;
        uint32_t        :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
        uint32_t        :7;
        uint32_t        ti_valid:1;
#endif
#if BYTE_ORDER == BIG_ENDIAN
        uint32_t        ti_valid:1;
        uint32_t        :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 )

#ifdef _KERNEL
/* As above, but with the buffer following the request for in-kernel users. */
struct ioc_read_subchannel_buf {
        struct ioc_read_subchannel req;
        struct cd_sub_channel_info info;
};
#define CDIOCREADSUBCHANNEL_BUF _IOWR('c', 3, struct ioc_read_subchannel_buf)
#endif

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

#ifdef _KERNEL
/* As above, but with the buffer following the request for in-kernel users. */
struct ioc_read_toc_entry_buf {
        struct ioc_read_toc_entry req;
        struct cd_toc_entry       entry[100];   /* NB: 8 bytes each */
};
#define CDIOREADTOCENTRIES_BUF _IOWR('c', 5, struct ioc_read_toc_entry_buf)
#endif

/* 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 \
    "\10\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 \
    "\10\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_DATA              (1 <<  8)
#define MMC_TRACKINFO_AUDIO             (1 <<  9)
#define MMC_TRACKINFO_AUDIO_4CHAN       (1 << 10)
#define MMC_TRACKINFO_PRE_EMPH          (1 << 11)

#define MMC_TRACKINFO_FLAGBITS \
    "\10\1COPY\2DAMAGED\3FIXEDPACKET\4INCREMENTAL\5BLANK" \
    "\6RESERVED\7NWA_VALID\10LRA_VALID\11DATA\12AUDIO" \
    "\13AUDIO_4CHAN\14PRE_EMPH"

struct mmc_op {
        uint16_t        operation;              /* IN */
        uint16_t        mmc_profile;            /* IN */

        /* parameters to operation */
        uint16_t        tracknr;                /* IN */
        uint16_t        sessionnr;              /* IN */
        uint32_t        extent;                 /* IN */

        uint32_t        reserved[4];
};
#define MMCOP _IOWR('c', 30, struct mmc_op)

#define MMC_OP_SYNCHRONISECACHE          1
#define MMC_OP_CLOSETRACK                2
#define MMC_OP_CLOSESESSION              3
#define MMC_OP_FINALISEDISC              4
#define MMC_OP_RESERVETRACK              5
#define MMC_OP_RESERVETRACK_NWA          6
#define MMC_OP_UNRESERVETRACK            7
#define MMC_OP_REPAIRTRACK               8
#define MMC_OP_UNCLOSELASTSESSION        9
#define MMC_OP_MAX                       9

struct mmc_writeparams {
        uint16_t        tracknr;                /* IN */
        uint16_t        mmc_class;              /* IN */
        uint32_t        mmc_cur;                /* IN */
        uint32_t        blockingnr;             /* IN */

        /* when tracknr == 0 */
        uint8_t         track_mode;             /* IN; normally 5 */
        uint8_t         data_mode;              /* IN; normally 2 */
};
#define MMC_TRACKMODE_DEFAULT   5               /* data, incremental recording */
#define MMC_DATAMODE_DEFAULT    2               /* CDROM XA disc */
#define MMCSETUPWRITEPARAMS _IOW('c', 31, struct mmc_writeparams)

#endif /* _KERNEL || _EXPOSE_MMC */

#endif /* !_SYS_CDIO_H_ */