/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ /* fm-cdrom-extension.c - CDROM handliong constants copied from . Copyright (C) 2000 Eazel, Inc. The Gnome Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The Gnome Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the Gnome Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Authors: Gene Z. Ragan */ #ifndef CDDA_CDROM_EXTENSIONS_H #define CDDA_CDROM_EXTENSIONS_H /******************************************************* * The CD-ROM IOCTL commands -- these should be supported by * all the various cdrom drivers. For the CD-ROM ioctls, we * will commandeer byte 0x53, or 'S'. *******************************************************/ #define CDROMPAUSE 0x5301 /* Pause Audio Operation */ #define CDROMRESUME 0x5302 /* Resume paused Audio Operation */ #define CDROMPLAYMSF 0x5303 /* Play Audio MSF (struct cdrom_msf) */ #define CDROMPLAYTRKIND 0x5304 /* Play Audio Track/index (struct cdrom_ti) */ #define CDROMREADTOCHDR 0x5305 /* Read TOC header (struct cdrom_tochdr) */ #define CDROMREADTOCENTRY 0x5306 /* Read TOC entry (struct cdrom_tocentry) */ #define CDROMSTOP 0x5307 /* Stop the cdrom drive */ #define CDROMSTART 0x5308 /* Start the cdrom drive */ #define CDROMEJECT 0x5309 /* Ejects the cdrom media */ #define CDROMVOLCTRL 0x530a /* Control output volume (struct cdrom_volctrl) */ #define CDROMSUBCHNL 0x530b /* Read subchannel data (struct cdrom_subchnl) */ #define CDROMREADMODE2 0x530c /* Read CDROM mode 2 data (2336 Bytes) (struct cdrom_read) */ #define CDROMREADMODE1 0x530d /* Read CDROM mode 1 data (2048 Bytes) (struct cdrom_read) */ #define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */ #define CDROMEJECT_SW 0x530f /* enable(1)/disable(0) auto-ejecting */ #define CDROMMULTISESSION 0x5310 /* Obtain the start-of-last-session address of multi session disks (struct cdrom_multisession) */ #define CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code" if available (struct cdrom_mcn) */ #define CDROM_GET_UPC CDROM_GET_MCN /* This one is depricated, but here anyway for compatability */ #define CDROMRESET 0x5312 /* hard-reset the drive */ #define CDROMVOLREAD 0x5313 /* Get the drive's volume setting (struct cdrom_volctrl) */ #define CDROMREADRAW 0x5314 /* read data in raw mode (2352 Bytes) (struct cdrom_read) */ /* * These ioctls are used only used in aztcd.c and optcd.c */ #define CDROMREADCOOKED 0x5315 /* read data in cooked mode */ #define CDROMSEEK 0x5316 /* seek msf address */ /* * This ioctl is only used by the scsi-cd driver. It is for playing audio in logical block addressing mode. */ #define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */ /* * These ioctls are only used in optcd.c */ #define CDROMREADALL 0x5318 /* read all 2646 bytes */ /* * These ioctls are (now) only in ide-cd.c for controlling * drive spindown time. They should be implemented in the * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10, * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE... * -Erik */ #define CDROMGETSPINDOWN 0x531d #define CDROMSETSPINDOWN 0x531e /* * These ioctls are implemented through the uniform CD-ROM driver * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM * drivers are eventually ported to the uniform CD-ROM driver interface. */ #define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */ #define CDROM_SET_OPTIONS 0x5320 /* Set behavior options */ #define CDROM_CLEAR_OPTIONS 0x5321 /* Clear behavior options */ #define CDROM_SELECT_SPEED 0x5322 /* Set the CD-ROM speed */ #define CDROM_SELECT_DISC 0x5323 /* Select disc (for juke-boxes) */ #define CDROM_MEDIA_CHANGED 0x5325 /* Check is media changed */ #define CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */ #define CDROM_DISC_STATUS 0x5327 /* Get disc type, etc. */ #define CDROM_CHANGER_NSLOTS 0x5328 /* Get number of slots */ #define CDROM_LOCKDOOR 0x5329 /* lock or unlock door */ #define CDROM_DEBUG 0x5330 /* Turn debug messages on/off */ #define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */ /* This ioctl is only used by sbpcd at the moment */ #define CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */ /* DVD-ROM Specific ioctls */ #define DVD_READ_STRUCT 0x5390 /* Read structure */ #define DVD_WRITE_STRUCT 0x5391 /* Write structure */ #define DVD_AUTH 0x5392 /* Authentication */ #define CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */ #define CDROM_NEXT_WRITABLE 0x5394 /* get next writable block */ #define CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */ /* Some generally useful CD-ROM information -- mostly based on the above */ #define CD_MINS 74 /* max. minutes per CD, not really a limit */ #define CD_SECS 60 /* seconds per minute */ #define CD_FRAMES 75 /* frames per second */ #define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */ #define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */ #define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */ #define CD_NUM_OF_CHUNKS 98 /* chunks per frame */ #define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */ #define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */ #define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */ #define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */ #define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */ #define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */ #define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ #define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */ #define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */ /* most drives don't deliver everything: */ #define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/ #define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/ #define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */ #define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */ #define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */ /* CD-ROM address types (cdrom_tocentry.cdte_format) */ #define CDROM_LBA 0x01 /* "logical block": first frame is #0 */ #define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */ /* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */ #define CDROM_DATA_TRACK 0x04 /* The leadout track is always 0xAA, regardless of # of tracks on disc */ #define CDROM_LEADOUT 0xAA /* audio states (from SCSI-2, but seen with other drives, too) */ #define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */ #define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */ #define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */ #define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */ #define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */ #define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */ /* capability flags used with the uniform CD-ROM driver */ #define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */ #define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */ #define CDC_LOCK 0x4 /* disable manual eject */ #define CDC_SELECT_SPEED 0x8 /* programmable speed */ #define CDC_SELECT_DISC 0x10 /* select disc from juke-box */ #define CDC_MULTI_SESSION 0x20 /* read sessions>1 */ #define CDC_MCN 0x40 /* Medium Catalog Number */ #define CDC_MEDIA_CHANGED 0x80 /* media changed */ #define CDC_PLAY_AUDIO 0x100 /* audio functions */ #define CDC_RESET 0x200 /* hard reset device */ #define CDC_IOCTLS 0x400 /* driver has non-standard ioctls */ #define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */ #define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */ #define CDC_CD_R 0x2000 /* drive is a CD-R */ #define CDC_CD_RW 0x4000 /* drive is a CD-RW */ #define CDC_DVD 0x8000 /* drive is a DVD */ #define CDC_DVD_R 0x10000 /* drive can write DVD-R */ #define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */ /* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */ #define CDS_NO_INFO 0 /* if not implemented */ #define CDS_NO_DISC 1 #define CDS_TRAY_OPEN 2 #define CDS_DRIVE_NOT_READY 3 #define CDS_DISC_OK 4 /* return values for the CDROM_DISC_STATUS ioctl */ /* can also return CDS_NO_[INFO|DISC], from above */ #define CDS_AUDIO 100 #define CDS_DATA_1 101 #define CDS_DATA_2 102 #define CDS_XA_2_1 103 #define CDS_XA_2_2 104 #define CDS_MIXED 105 /* User-configurable behavior options for the uniform CD-ROM driver */ #define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */ #define CDO_AUTO_EJECT 0x2 /* open tray on last release() */ #define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */ #define CDO_LOCK 0x8 /* lock tray on open files */ #define CDO_CHECK_TYPE 0x10 /* check type on open for data */ /* Special codes used when specifying changer slots. */ #define CDSL_NONE ((int) (~0U>>1)-1) #define CDSL_CURRENT ((int) (~0U>>1)) /* For partition based multisession access. IDE can handle 64 partitions * per drive - SCSI CD-ROM's use minors to differentiate between the * various drives, so we can't do multisessions the same way there. * Use the -o session=x option to mount on them. */ #define CD_PART_MAX 64 #define CD_PART_MASK (CD_PART_MAX - 1) /******************************************************* * CDROM IOCTL structures *******************************************************/ /* Address in MSF format */ struct cdrom_msf0 { u_char minute; u_char second; u_char frame; }; /* Address in either MSF or logical format */ union cdrom_addr { struct cdrom_msf0 msf; int lba; }; /* This struct is used by the CDROMSUBCHNL ioctl */ struct cdrom_subchnl { u_char cdsc_format; u_char cdsc_audiostatus; u_char cdsc_adr: 4; u_char cdsc_ctrl: 4; u_char cdsc_trk; u_char cdsc_ind; union cdrom_addr cdsc_absaddr; union cdrom_addr cdsc_reladdr; }; /* This struct is used by the CDROMREADTOCENTRY ioctl */ struct cdrom_tocentry { u_char cdte_track; u_char cdte_adr :4; u_char cdte_ctrl :4; u_char cdte_format; union cdrom_addr cdte_addr; u_char cdte_datamode; }; /* This struct is used by the CDROMREADTOCHDR ioctl */ struct cdrom_tochdr { u_char cdth_trk0; /* start track */ u_char cdth_trk1; /* end track */ }; #endif /* CDDA_CDROM_EXTENSIONS_H */