sys/sys/cdio.h

/*
 * 16 Feb 93    Julian Elischer (julian@dialix.oz.au)
 *
 *      $Id: cdio.h,v 1.5 1994/01/29 10:31:20 rgrimes Exp $
 */
/* Shared between kernel & process */
#ifndef _SYS_CDIO_H_
#define _SYS_CDIO_H_

union msf_lba {
        struct {
                unsigned char   unused;
                unsigned char   minute;
                unsigned char   second;
                unsigned char   frame;
        } msf;
        int     lba;
        u_char  addr[4];
};

struct cd_toc_entry {
        u_char  :8;
        u_char  control:4;
        u_char  addr_type:4;
        u_char  track;
        u_char  :8;
        union msf_lba  addr;
};

struct cd_sub_channel_header {
        u_char  :8;
        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_position_data {
        u_char  data_format;
        u_char  control:4;
        u_char  addr_type:4;
        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  :8;
        u_char  :8;
        u_char  :8;
        u_char  :7;
        u_char  mc_valid:1;
        u_char  mc_number[15];
};

struct cd_sub_channel_track_info {
        u_char  data_format;
        u_char  :8;
        u_char  track_number;
        u_char  :8;
        u_char  :7;
        u_char  ti_valid:1;
        u_char  ti_number[15];
};

struct cd_sub_channel_info {
        struct cd_sub_channel_header header;
        union {
                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 CDIOREADTOCENTRYS _IOWR('c',5,struct ioc_read_toc_entry)

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 CDIOCSETSTERIO  _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)

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)

#endif /* _SYS_CDIO_H_ */