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

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    1 /*
    2  * 16 Feb 93    Julian Elischer (julian@dialix.oz.au)
    3  *
    4  * $FreeBSD: src/sys/sys/cdio.h,v 1.25 2003/10/20 09:29:40 sos Exp $
    5  */
    6 
    7 /*
    8 <1>     Fixed a conflict with ioctl usage.  There were two different
    9         functions using code #25.  Made file formatting consistent.
   10         Added two new ioctl codes: door closing and audio pitch playback.
   11         Added a STEREO union called STEREO.
   12         5-Mar-95  Frank Durda IV        bsdmail@nemesis.lonestar.org
   13 
   14 <2>     Added a new ioctl that allows you to find out what capabilities
   15         a drive has and what commands it will accept.  This allows a
   16         user application to only offer controls (buttons, sliders, etc)
   17         for functions that drive can actually do.   Things it can't do
   18         can disappear or be greyed-out (like some other system).
   19         If the driver doesn't respond to this call, well, handle it the
   20         way you used to do it.
   21         2-Apr-95  Frank Durda IV        bsdmail@nemesis.lonestar.org
   22 */
   23 
   24 /* Shared between kernel & process */
   25 
   26 #ifndef _SYS_CDIO_H_
   27 #define _SYS_CDIO_H_
   28 
   29 #ifndef _KERNEL
   30 #include <sys/types.h>
   31 #endif
   32 #include <sys/ioccom.h>
   33 
   34 union msf_lba {
   35         struct {
   36                 unsigned char   unused;
   37                 unsigned char   minute;
   38                 unsigned char   second;
   39                 unsigned char   frame;
   40         } msf;
   41         int     lba;    /* network byte order */
   42         u_char  addr[4];
   43 };
   44 
   45 struct cd_toc_entry {
   46 #if BYTE_ORDER == LITTLE_ENDIAN
   47         u_int   :8;
   48         u_int   control:4;
   49         u_int   addr_type:4;
   50 #else
   51         u_int   :8;
   52         u_int   addr_type:4;
   53         u_int   control:4;
   54 #endif
   55         u_char  track;
   56         u_int   :8;
   57         union msf_lba  addr;
   58 };
   59 
   60 struct cd_sub_channel_header {
   61         u_int   :8;
   62         u_char  audio_status;
   63 #define CD_AS_AUDIO_INVALID        0x00
   64 #define CD_AS_PLAY_IN_PROGRESS     0x11
   65 #define CD_AS_PLAY_PAUSED          0x12
   66 #define CD_AS_PLAY_COMPLETED       0x13
   67 #define CD_AS_PLAY_ERROR           0x14
   68 #define CD_AS_NO_STATUS            0x15
   69         u_char  data_len[2];
   70 };
   71 
   72 struct cd_sub_channel_position_data {
   73         u_char  data_format;
   74         u_int   control:4;
   75         u_int   addr_type:4;
   76         u_char  track_number;
   77         u_char  index_number;
   78         union msf_lba  absaddr;
   79         union msf_lba  reladdr;
   80 };
   81 
   82 struct cd_sub_channel_media_catalog {
   83         u_char  data_format;
   84         u_int   :8;
   85         u_int   :8;
   86         u_int   :8;
   87         u_int   :7;
   88         u_int   mc_valid:1;
   89         u_char  mc_number[15];
   90 };
   91 
   92 struct cd_sub_channel_track_info {
   93         u_char  data_format;
   94         u_int   :8;
   95         u_char  track_number;
   96         u_int   :8;
   97         u_int   :7;
   98         u_int   ti_valid:1;
   99         u_char  ti_number[15];
  100 };
  101 
  102 struct cd_sub_channel_info {
  103         struct cd_sub_channel_header header;
  104         union {
  105                 struct cd_sub_channel_position_data position;
  106                 struct cd_sub_channel_media_catalog media_catalog;
  107                 struct cd_sub_channel_track_info track_info;
  108         } what;
  109 };
  110 
  111 
  112 /***************************************************************\
  113 * Ioctls for the CD drive                                       *
  114 \***************************************************************/
  115 
  116 struct ioc_play_track {
  117         u_char  start_track;
  118         u_char  start_index;
  119         u_char  end_track;
  120         u_char  end_index;
  121 };
  122 #define CDIOCPLAYTRACKS _IOW('c',1,struct ioc_play_track)
  123 
  124 
  125 struct ioc_play_blocks {
  126         int     blk;
  127         int     len;
  128 };
  129 #define CDIOCPLAYBLOCKS _IOW('c',2,struct ioc_play_blocks)
  130 
  131 
  132 struct ioc_read_subchannel {
  133         u_char address_format;
  134 #define CD_LBA_FORMAT   1
  135 #define CD_MSF_FORMAT   2
  136         u_char data_format;
  137 #define CD_SUBQ_DATA            0
  138 #define CD_CURRENT_POSITION     1
  139 #define CD_MEDIA_CATALOG        2
  140 #define CD_TRACK_INFO           3
  141         u_char track;
  142         int     data_len;
  143         struct  cd_sub_channel_info *data;
  144 };
  145 #define CDIOCREADSUBCHANNEL _IOWR('c', 3 , struct ioc_read_subchannel )
  146 
  147 
  148 struct ioc_toc_header {
  149         u_short len;
  150         u_char  starting_track;
  151         u_char  ending_track;
  152 };
  153 #define CDIOREADTOCHEADER _IOR('c',4,struct ioc_toc_header)
  154 
  155 
  156 struct ioc_read_toc_entry {
  157         u_char  address_format;
  158         u_char  starting_track;
  159         u_short data_len;
  160         struct  cd_toc_entry *data;
  161 };
  162 #define CDIOREADTOCENTRYS _IOWR('c',5,struct ioc_read_toc_entry)
  163 
  164 
  165 struct ioc_read_toc_single_entry {
  166         u_char  address_format;
  167         u_char  track;
  168         struct  cd_toc_entry entry;
  169 };
  170 #define CDIOREADTOCENTRY _IOWR('c',6,struct ioc_read_toc_single_entry)
  171 
  172 
  173 struct ioc_patch {
  174         u_char  patch[4];       /* one for each channel */
  175 };
  176 #define CDIOCSETPATCH   _IOW('c',9,struct ioc_patch)
  177 
  178 
  179 struct ioc_vol {
  180         u_char  vol[4]; /* one for each channel */
  181 };
  182 #define CDIOCGETVOL     _IOR('c',10,struct ioc_vol)
  183 
  184 #define CDIOCSETVOL     _IOW('c',11,struct ioc_vol)
  185 
  186 #define CDIOCSETMONO    _IO('c',12)
  187 
  188 #define CDIOCSETSTERIO  _IO('c',13)
  189 #define CDIOCSETSTEREO  _IO('c',13)
  190 
  191 #define CDIOCSETMUTE    _IO('c',14)
  192 
  193 #define CDIOCSETLEFT    _IO('c',15)
  194 
  195 #define CDIOCSETRIGHT   _IO('c',16)
  196 
  197 #define CDIOCSETDEBUG   _IO('c',17)
  198 
  199 #define CDIOCCLRDEBUG   _IO('c',18)
  200 
  201 #define CDIOCPAUSE      _IO('c',19)
  202 
  203 #define CDIOCRESUME     _IO('c',20)
  204 
  205 #define CDIOCRESET      _IO('c',21)
  206 
  207 #define CDIOCSTART      _IO('c',22)
  208 
  209 #define CDIOCSTOP       _IO('c',23)
  210 
  211 #define CDIOCEJECT      _IO('c',24)
  212 
  213 
  214 struct ioc_play_msf {
  215         u_char  start_m;
  216         u_char  start_s;
  217         u_char  start_f;
  218         u_char  end_m;
  219         u_char  end_s;
  220         u_char  end_f;
  221 };
  222 #define CDIOCPLAYMSF    _IOW('c',25,struct ioc_play_msf)
  223 
  224 #define CDIOCALLOW      _IO('c',26)
  225 
  226 #define CDIOCPREVENT    _IO('c',27)
  227 
  228                                 /*<1>For drives that support it, this*/
  229                                 /*<1>causes the drive to close its door*/
  230                                 /*<1>and make the media (if any) ready*/
  231 #define CDIOCCLOSE      _IO('c',28)     /*<1>*/
  232 
  233 
  234 struct ioc_pitch {              /*<1>For drives that support it, this*/
  235                                 /*<1>call instructs the drive to play the*/
  236         short   speed;          /*<1>audio at a faster or slower-than-normal*/
  237 };                              /*<1>rate. -32767 to -1 is slower, 0==normal,*/
  238                                 /*<1>and 1 to 32767 is faster.  LSB bits are*/
  239                                 /*<1>discarded first by drives with less res.*/
  240 #define CDIOCPITCH      _IOW('c',29,struct ioc_pitch)   /*<1>*/
  241 
  242 struct ioc_capability {                 /*<2>*/
  243         u_long  play_function;          /*<2>*/
  244 #define CDDOPLAYTRK     0x00000001      /*<2>Can Play tracks/index*/
  245 #define CDDOPLAYMSF     0x00000002      /*<2>Can Play msf to msf*/
  246 #define CDDOPLAYBLOCKS  0x00000004      /*<2>Can Play range of blocks*/
  247 #define CDDOPAUSE       0x00000100      /*<2>Output can be paused*/
  248 #define CDDORESUME      0x00000200      /*<2>Output can be resumed*/
  249 #define CDDORESET       0x00000400      /*<2>Drive can be completely reset*/
  250 #define CDDOSTART       0x00000800      /*<2>Audio can be started*/
  251 #define CDDOSTOP        0x00001000      /*<2>Audio can be stopped*/
  252 #define CDDOPITCH       0x00002000      /*<2>Audio pitch */
  253 
  254         u_long  routing_function;       /*<2>*/
  255 #define CDREADVOLUME    0x00000001      /*<2>Volume settings can be read*/
  256 #define CDSETVOLUME     0x00000002      /*<2>Volume settings can be set*/
  257 #define CDSETMONO       0x00000100      /*<2>Output can be set to mono*/
  258 #define CDSETSTEREO     0x00000200      /*<2>Output can be set to stereo (def)*/
  259 #define CDSETLEFT       0x00000400      /*<2>Output can be set to left only*/
  260 #define CDSETRIGHT      0x00000800      /*<2>Output can be set to right only*/
  261 #define CDSETMUTE       0x00001000      /*<2>Output can be muted*/
  262 #define CDSETPATCH      0x00008000      /*<2>Direct routing control allowed*/
  263 
  264         u_long  special_function;       /*<2>*/
  265 #define CDDOEJECT       0x00000001      /*<2>The tray can be opened*/
  266 #define CDDOCLOSE       0x00000002      /*<2>The tray can be closed*/
  267 #define CDDOLOCK        0x00000004      /*<2>The tray can be locked*/
  268 #define CDREADHEADER    0x00000100      /*<2>Can read Table of Contents*/
  269 #define CDREADENTRIES   0x00000200      /*<2>Can read TOC Entries*/
  270 #define CDREADSUBQ      0x00000200      /*<2>Can read Subchannel info*/
  271 #define CDREADRW        0x00000400      /*<2>Can read subcodes R-W*/
  272 #define CDHASDEBUG      0x00004000      /*<2>The tray has dynamic debugging*/
  273 };                                      /*<2>*/
  274 
  275 #define CDIOCCAPABILITY _IOR('c',30,struct ioc_capability)      /*<2>*/
  276 
  277 #endif /* !_SYS_CDIO_H_ */

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