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/*
 * -- <linux/cdrom.h>
 * general (not only SCSI) header library for linux CDROM drivers
 * (C) 1992         David Giller rafetmad@oxy.edu
 *     1994, 1995   Eberhard Moenkeberg emoenke@gwdg.de
 *
 */
 
#ifndef _LINUX_CDROM_H
#define _LINUX_CDROM_H
 
/*
 * some fix numbers
 */
#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, not transfered by the drive */
#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_XA_HEAD        (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */
#define CD_XA_SYNC_HEAD   (CD_SYNC_SIZE+CD_XA_HEAD)/* sync bytes + header of XA frame */
 
#define CD_FRAMESIZE      2048 /* bytes per frame, "cooked" mode */
#define CD_FRAMESIZE_RAW  2352 /* bytes per frame, "raw" mode */
/* 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 */
/* Optics drive also has a 'read all' mode: */
#define CD_FRAMESIZE_RAWER 2646 /* bytes per 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_XA_TAIL        (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */
 
#define CD_FRAMESIZE_SUB    96 /* subchannel data "frame" size */
#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_XA CD_FRAMESIZE_RAW1 /* obsolete name */
#define CD_BLOCK_OFFSET    CD_MSF_OFFSET /* obsolete name */
 
/*
 * the raw frame layout:
 *
 * - audio (red):                  | audio_sample_bytes |
 *                                 |        2352        |
 *
 * - data (yellow, mode1):         | sync - head - data - EDC - zero - ECC |
 *                                 |  12  -   4  - 2048 -  4  -   8  - 276 |
 *
 * - data (yellow, mode2):         | sync - head - data |
 *                                 |  12  -   4  - 2336 |
 *
 * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |
 *                                 |  12  -   4  -  8  - 2048 -  4  - 276 |
 *
 * - XA data (green, mode2 form2): | sync - head - sub - data - EDC |
 *                                 |  12  -   4  -  8  - 2324 -  4  |
 */
 
/*
 * CDROM IOCTL structures
 */
 
struct cdrom_blk
{
        unsigned from;
        unsigned short len;
};
 
 
struct cdrom_msf
{
        u_char  cdmsf_min0;     /* start minute */
        u_char  cdmsf_sec0;     /* start second */
        u_char  cdmsf_frame0;   /* start frame */
        u_char  cdmsf_min1;     /* end minute */
        u_char  cdmsf_sec1;     /* end second */
        u_char  cdmsf_frame1;   /* end frame */
};
 
struct cdrom_ti
{
        u_char  cdti_trk0;      /* start track */
        u_char  cdti_ind0;      /* start index */
        u_char  cdti_trk1;      /* end track */
        u_char  cdti_ind1;      /* end index */
};
 
struct cdrom_tochdr
{
        u_char  cdth_trk0;      /* start track */
        u_char  cdth_trk1;      /* end track */
};
 
struct cdrom_msf0               /* address in MSF format */
{
        u_char  minute;
        u_char  second;
        u_char  frame;
};
 
union cdrom_addr                /* address in either MSF or logical format */
{
        struct cdrom_msf0       msf;
        int                     lba;
};
 
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;
};
 
/*
 * 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
 
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;
};
 
struct cdrom_mcn {
  u_char medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */
};
 
/*
 * 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 */
 
struct cdrom_volctrl
{
        u_char  channel0;
        u_char  channel1;
        u_char  channel2;
        u_char  channel3;
};
 
struct cdrom_read
{
        int     cdread_lba;
        caddr_t cdread_bufaddr;
        int     cdread_buflen;
};
 
/*
 * extensions for transferring audio frames
 * currently used by sbpcd.c, cdu31a.c, ide-cd.c
 */
struct cdrom_read_audio
{
        union cdrom_addr addr; /* frame address */
        u_char addr_format; /* CDROM_LBA or CDROM_MSF */
        int nframes; /* number of 2352-byte-frames to read at once, limited by the drivers */
        u_char *buf; /* frame buffer (size: nframes*2352 bytes) */
};
 
/*
 * this has to be the "arg" of the CDROMMULTISESSION ioctl
 * for obtaining multi session info.
 * The returned "addr" is valid only if "xa_flag" is true.
 */
struct cdrom_multisession
{
        union cdrom_addr addr; /* frame address: start-of-last-session (not the new "frame 16"!)*/
        u_char xa_flag; /* 1: "is XA disk" */
        u_char addr_format; /* CDROM_LBA or CDROM_MSF */
};
 
#ifdef FIVETWELVE
#define CDROM_MODE1_SIZE        512
#else
#define CDROM_MODE1_SIZE        2048
#endif FIVETWELVE
#define CDROM_MODE2_SIZE        2336
 
/*
 * CD-ROM IOCTL commands
 * For IOCTL calls, we will commandeer byte 0x53, or 'S'.
 */
 
#define CDROMPAUSE              0x5301
#define CDROMRESUME             0x5302
#define CDROMPLAYMSF            0x5303  /* (struct cdrom_msf) */
#define CDROMPLAYTRKIND         0x5304  /* (struct cdrom_ti) */
 
#define CDROMREADTOCHDR         0x5305  /* (struct cdrom_tochdr) */
#define CDROMREADTOCENTRY       0x5306  /* (struct cdrom_tocentry) */
 
#define CDROMSTOP               0x5307  /* stop the drive motor */
#define CDROMSTART              0x5308  /* turn the motor on */
 
#define CDROMEJECT              0x5309  /* eject CD-ROM media */
 
#define CDROMVOLCTRL            0x530a  /* (struct cdrom_volctrl) */
 
#define CDROMSUBCHNL            0x530b  /* (struct cdrom_subchnl) */
 
#define CDROMREADMODE2          0x530c  /* (struct cdrom_read) */
                                          /* read type-2 data */
 
#define CDROMREADMODE1          0x530d  /* (struct cdrom_read) */
                                          /* read type-1 data */
 
#define CDROMREADAUDIO          0x530e  /* (struct cdrom_read_audio) */
 
/*
 * enable (1) / disable (0) auto-ejecting
 */
#define CDROMEJECT_SW           0x530f  /* arg: 0 or 1 */
 
/*
 * obtain the start-of-last-session address of multi session disks
 */
#define CDROMMULTISESSION       0x5310  /* (struct cdrom_multisession) */
 
/*
 * obtain the "universal product code" number
 * (only some data disks have it coded)
 */
#define CDROM_GET_UPC           0x5311  /* 8 bytes returned */
 
#define CDROMRESET              0x5312  /* hard-reset the drive */
#define CDROMVOLREAD            0x5313  /* let the drive tell its volume setting */
                                        /* (struct cdrom_volctrl) */
 
/*
 * these ioctls are used in aztcd.c and optcd.c
 */
#define CDROMREADRAW            0x5314  /* read data in raw mode */
#define CDROMREADCOOKED         0x5315  /* read data in cooked mode */
#define CDROMSEEK               0x5316  /* seek msf address */
 
/*
 * for playing audio in logical block addressing mode
 */
#define CDROMPLAYBLK            0x5317  /* (struct cdrom_blk) */
 
/*
 * these ioctls are used in optcd.c
 */
#define CDROMREADALL            0x5318  /* read all 2646 bytes */
#define CDROMCLOSETRAY          0x5319  /* pendant of CDROMEJECT */
 
 
/*
 * For controlling a changer.  (Used by ATAPI driver.)
 * This ioctl is depreciated in favor of CDROM_SELECT_DISC from
 * ucdrom.h.  It will probably be deleted during the 2.1 kernel series.
 */
#define CDROMLOADFROMSLOT       0x531a  /* LOAD disk from slot*/
 
 
/*
 * CD-ROM-specific SCSI command opcodes
 */
 
/*
 * Group 2 (10-byte).  All of these are called 'optional' by SCSI-II.
 */
#define SCMD_READ_TOC           0x43    /* read table of contents */
#define SCMD_PLAYAUDIO_MSF      0x47    /* play data at time offset */
#define SCMD_PLAYAUDIO_TI       0x48    /* play data at track/index */
#define SCMD_PAUSE_RESUME       0x4B    /* pause/resume audio */
#define SCMD_READ_SUBCHANNEL    0x42    /* read SC info on playing disc */
#define SCMD_PLAYAUDIO10        0x45    /* play data at logical block */
#define SCMD_READ_HEADER        0x44    /* read TOC header */
 
/*
 * Group 5
 */
#define SCMD_PLAYAUDIO12        0xA5    /* play data at logical block */
#define SCMD_PLAYTRACK_REL12    0xA9    /* play track at relative offset */
 
/*
 * Group 6 Commands
 */
#define SCMD_CD_PLAYBACK_CONTROL 0xC9   /* Sony vendor-specific audio */
#define SCMD_CD_PLAYBACK_STATUS 0xC4    /* control opcodes */
 
/*
 * CD-ROM capacity structure.
 */
struct scsi_capacity
{
        u_long  capacity;
        u_long  lbasize;
};
 
/*
 * CD-ROM MODE_SENSE/MODE_SELECT parameters
 */
#define ERR_RECOVERY_PARMS      0x01
#define DISCO_RECO_PARMS        0x02
#define FORMAT_PARMS            0x03
#define GEOMETRY_PARMS          0x04
#define CERTIFICATION_PARMS     0x06
#define CACHE_PARMS             0x38
 
/*
 * standard mode-select header prepended to all mode-select commands
 */
struct ccs_modesel_head
{
        u_char  _r1;    /* reserved */
        u_char  medium; /* device-specific medium type */
        u_char  _r2;    /* reserved */
        u_char  block_desc_length; /* block descriptor length */
        u_char  density; /* device-specific density code */
        u_char  number_blocks_hi; /* number of blocks in this block desc */
        u_char  number_blocks_med;
        u_char  number_blocks_lo;
        u_char  _r3;
        u_char  block_length_hi; /* block length for blocks in this desc */
        u_short block_length;
};
 
/*
 * error recovery parameters
 */
struct ccs_err_recovery
{
        u_char  _r1 : 2;        /* reserved */
        u_char  page_code : 6;  /* page code */
        u_char  page_length;    /* page length */
        u_char  awre    : 1;    /* auto write realloc enabled */
        u_char  arre    : 1;    /* auto read realloc enabled */
        u_char  tb      : 1;    /* transfer block */
        u_char  rc      : 1;    /* read continuous */
        u_char  eec     : 1;    /* enable early correction */
        u_char  per     : 1;    /* post error */
        u_char  dte     : 1;    /* disable transfer on error */
        u_char  dcr     : 1;    /* disable correction */
        u_char  retry_count;    /* error retry count */
        u_char  correction_span; /* largest recov. to be attempted, bits */
        u_char  head_offset_count; /* head offset (2's C) for each retry */
        u_char  strobe_offset_count; /* data strobe */
        u_char  recovery_time_limit; /* time limit on recovery attempts */
};
 
/*
 * disco/reco parameters
 */
struct ccs_disco_reco
{
        u_char  _r1     : 2;    /* reserved */
        u_char  page_code : 6;  /* page code */
        u_char  page_length;    /* page length */
        u_char  buffer_full_ratio; /* write buffer reconnect threshold */
        u_char  buffer_empty_ratio; /* read */
        u_short bus_inactivity_limit; /* limit on bus inactivity time */
        u_short disconnect_time_limit; /* minimum disconnect time */
        u_short connect_time_limit; /* minimum connect time */
        u_short _r2;            /* reserved */
};
 
/*
 * drive geometry parameters
 */
struct ccs_geometry
{
        u_char  _r1     : 2;    /* reserved */
        u_char  page_code : 6;  /* page code */
        u_char  page_length;    /* page length */
        u_char  cyl_ub;         /* #cyls */
        u_char  cyl_mb;
        u_char  cyl_lb;
        u_char  heads;          /* #heads */
        u_char  precomp_cyl_ub; /* precomp start */
        u_char  precomp_cyl_mb;
        u_char  precomp_cyl_lb;
        u_char  current_cyl_ub; /* reduced current start */
        u_char  current_cyl_mb;
        u_char  current_cyl_lb;
        u_short step_rate;      /* stepping motor rate */
        u_char  landing_cyl_ub; /* landing zone */
        u_char  landing_cyl_mb;
        u_char  landing_cyl_lb;
        u_char  _r2;
        u_char  _r3;
        u_char  _r4;
};
 
/*
 * cache parameters
 */
struct ccs_cache
{
        u_char  _r1     : 2;    /* reserved */
        u_char  page_code : 6;  /* page code */
        u_char  page_length;    /* page length */
        u_char  mode;           /* cache control byte */
        u_char  threshold;      /* prefetch threshold */
        u_char  max_prefetch;   /* maximum prefetch size */
        u_char  max_multiplier; /* maximum prefetch multiplier */
        u_char  min_prefetch;   /* minimum prefetch size */
        u_char  min_multiplier; /* minimum prefetch multiplier */
        u_char  _r2[8];
};
 
#endif  _LINUX_CDROM_H
/*==========================================================================*/
/*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * Emacs will notice this stuff at the end of the file and automatically
 * adjust the settings for this buffer only.  This must remain at the end
 * of the file.
 * ---------------------------------------------------------------------------
 * Local variables:
 * c-indent-level: 8
 * c-brace-imaginary-offset: 0
 * c-brace-offset: -8
 * c-argdecl-indent: 8
 * c-label-offset: -8
 * c-continued-statement-offset: 8
 * c-continued-brace-offset: 0
 * End:
 */

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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [linux/] [cdrom.h] - Blame information for rev 1782

Line No.	Rev	Author	Line
1	1633	jcastillo	`/*`
2			`* -- <linux/cdrom.h>`
3			`* general (not only SCSI) header library for linux CDROM drivers`
4			`* (C) 1992 David Giller rafetmad@oxy.edu`
5			`* 1994, 1995 Eberhard Moenkeberg emoenke@gwdg.de`
6			`*`
7			`*/`
8
9			`#ifndef _LINUX_CDROM_H`
10			`#define _LINUX_CDROM_H`
11
12			`/*`
13			`* some fix numbers`
14			`*/`
15			`#define CD_MINS 74 /* max. minutes per CD, not really a limit */`
16			`#define CD_SECS 60 /* seconds per minute */`
17			`#define CD_FRAMES 75 /* frames per second */`
18
19			`#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame, not transfered by the drive */`
20			`#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */`
21			`#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */`
22			`#define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */`
23			`#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD)/* sync bytes + header of XA frame */`
24
25			`#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */`
26			`#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */`
27			`/* most drives don't deliver everything: */`
28			`#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /* 2340 */`
29			`#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /* 2336 */`
30			`/* Optics drive also has a 'read all' mode: */`
31			`#define CD_FRAMESIZE_RAWER 2646 /* bytes per frame */`
32
33			`#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */`
34			`#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */`
35			`#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */`
36			`#define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */`
37
38			`#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */`
39			`#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */`
40
41			`#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */`
42			`#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */`
43
44			`#define CD_FRAMESIZE_XA CD_FRAMESIZE_RAW1 /* obsolete name */`
45			`#define CD_BLOCK_OFFSET CD_MSF_OFFSET /* obsolete name */`
46
47			`/*`
48			`* the raw frame layout:`
49			`*`
50			`* - audio (red): \| audio_sample_bytes \|`
51			`* \| 2352 \|`
52			`*`
53			`* - data (yellow, mode1): \| sync - head - data - EDC - zero - ECC \|`
54			`* \| 12 - 4 - 2048 - 4 - 8 - 276 \|`
55			`*`
56			`* - data (yellow, mode2): \| sync - head - data \|`
57			`* \| 12 - 4 - 2336 \|`
58			`*`
59			`* - XA data (green, mode2 form1): \| sync - head - sub - data - EDC - ECC \|`
60			`* \| 12 - 4 - 8 - 2048 - 4 - 276 \|`
61			`*`
62			`* - XA data (green, mode2 form2): \| sync - head - sub - data - EDC \|`
63			`* \| 12 - 4 - 8 - 2324 - 4 \|`
64			`*/`
65
66			`/*`
67			`* CDROM IOCTL structures`
68			`*/`
69
70			`struct cdrom_blk`
71			`{`
72			`unsigned from;`
73			`unsigned short len;`
74			`};`
75
76
77			`struct cdrom_msf`
78			`{`
79			`u_char cdmsf_min0; /* start minute */`
80			`u_char cdmsf_sec0; /* start second */`
81			`u_char cdmsf_frame0; /* start frame */`
82			`u_char cdmsf_min1; /* end minute */`
83			`u_char cdmsf_sec1; /* end second */`
84			`u_char cdmsf_frame1; /* end frame */`
85			`};`
86
87			`struct cdrom_ti`
88			`{`
89			`u_char cdti_trk0; /* start track */`
90			`u_char cdti_ind0; /* start index */`
91			`u_char cdti_trk1; /* end track */`
92			`u_char cdti_ind1; /* end index */`
93			`};`
94
95			`struct cdrom_tochdr`
96			`{`
97			`u_char cdth_trk0; /* start track */`
98			`u_char cdth_trk1; /* end track */`
99			`};`
100
101			`struct cdrom_msf0 /* address in MSF format */`
102			`{`
103			`u_char minute;`
104			`u_char second;`
105			`u_char frame;`
106			`};`
107
108			`union cdrom_addr /* address in either MSF or logical format */`
109			`{`
110			`struct cdrom_msf0 msf;`
111			`int lba;`
112			`};`
113
114			`struct cdrom_tocentry`
115			`{`
116			`u_char cdte_track;`
117			`u_char cdte_adr :4;`
118			`u_char cdte_ctrl :4;`
119			`u_char cdte_format;`
120			`union cdrom_addr cdte_addr;`
121			`u_char cdte_datamode;`
122			`};`
123
124			`/*`
125			`* CD-ROM address types (cdrom_tocentry.cdte_format)`
126			`*/`
127			`#define CDROM_LBA 0x01 /* "logical block": first frame is #0 */`
128			`#define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */`
129
130			`/*`
131			`* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl)`
132			`*/`
133			`#define CDROM_DATA_TRACK 0x04`
134
135			`/*`
136			`* The leadout track is always 0xAA, regardless of # of tracks on disc`
137			`*/`
138			`#define CDROM_LEADOUT 0xAA`
139
140			`struct cdrom_subchnl`
141			`{`
142			`u_char cdsc_format;`
143			`u_char cdsc_audiostatus;`
144			`u_char cdsc_adr: 4;`
145			`u_char cdsc_ctrl: 4;`
146			`u_char cdsc_trk;`
147			`u_char cdsc_ind;`
148			`union cdrom_addr cdsc_absaddr;`
149			`union cdrom_addr cdsc_reladdr;`
150			`};`
151
152			`struct cdrom_mcn {`
153			`u_char medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */`
154			`};`
155
156			`/*`
157			`* audio states (from SCSI-2, but seen with other drives, too)`
158			`*/`
159			`#define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */`
160			`#define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */`
161			`#define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */`
162			`#define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */`
163			`#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */`
164			`#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */`
165
166			`struct cdrom_volctrl`
167			`{`
168			`u_char channel0;`
169			`u_char channel1;`
170			`u_char channel2;`
171			`u_char channel3;`
172			`};`
173
174			`struct cdrom_read`
175			`{`
176			`int cdread_lba;`
177			`caddr_t cdread_bufaddr;`
178			`int cdread_buflen;`
179			`};`
180
181			`/*`
182			`* extensions for transferring audio frames`
183			`* currently used by sbpcd.c, cdu31a.c, ide-cd.c`
184			`*/`
185			`struct cdrom_read_audio`
186			`{`
187			`union cdrom_addr addr; /* frame address */`
188			`u_char addr_format; /* CDROM_LBA or CDROM_MSF */`
189			`int nframes; /* number of 2352-byte-frames to read at once, limited by the drivers */`
190			`u_char buf; / frame buffer (size: nframes2352 bytes) /`
191			`};`
192
193			`/*`
194			`* this has to be the "arg" of the CDROMMULTISESSION ioctl`
195			`* for obtaining multi session info.`
196			`* The returned "addr" is valid only if "xa_flag" is true.`
197			`*/`
198			`struct cdrom_multisession`
199			`{`
200			`union cdrom_addr addr; /* frame address: start-of-last-session (not the new "frame 16"!)*/`
201			`u_char xa_flag; /* 1: "is XA disk" */`
202			`u_char addr_format; /* CDROM_LBA or CDROM_MSF */`
203			`};`
204
205			`#ifdef FIVETWELVE`
206			`#define CDROM_MODE1_SIZE 512`
207			`#else`
208			`#define CDROM_MODE1_SIZE 2048`
209			`#endif FIVETWELVE`
210			`#define CDROM_MODE2_SIZE 2336`
211
212			`/*`
213			`* CD-ROM IOCTL commands`
214			`* For IOCTL calls, we will commandeer byte 0x53, or 'S'.`
215			`*/`
216
217			`#define CDROMPAUSE 0x5301`
218			`#define CDROMRESUME 0x5302`
219			`#define CDROMPLAYMSF 0x5303 /* (struct cdrom_msf) */`
220			`#define CDROMPLAYTRKIND 0x5304 /* (struct cdrom_ti) */`
221
222			`#define CDROMREADTOCHDR 0x5305 /* (struct cdrom_tochdr) */`
223			`#define CDROMREADTOCENTRY 0x5306 /* (struct cdrom_tocentry) */`
224
225			`#define CDROMSTOP 0x5307 /* stop the drive motor */`
226			`#define CDROMSTART 0x5308 /* turn the motor on */`
227
228			`#define CDROMEJECT 0x5309 /* eject CD-ROM media */`
229
230			`#define CDROMVOLCTRL 0x530a /* (struct cdrom_volctrl) */`
231
232			`#define CDROMSUBCHNL 0x530b /* (struct cdrom_subchnl) */`
233
234			`#define CDROMREADMODE2 0x530c /* (struct cdrom_read) */`
235			`/* read type-2 data */`
236
237			`#define CDROMREADMODE1 0x530d /* (struct cdrom_read) */`
238			`/* read type-1 data */`
239
240			`#define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */`
241
242			`/*`
243			`* enable (1) / disable (0) auto-ejecting`
244			`*/`
245			`#define CDROMEJECT_SW 0x530f /* arg: 0 or 1 */`
246
247			`/*`
248			`* obtain the start-of-last-session address of multi session disks`
249			`*/`
250			`#define CDROMMULTISESSION 0x5310 /* (struct cdrom_multisession) */`
251
252			`/*`
253			`* obtain the "universal product code" number`
254			`* (only some data disks have it coded)`
255			`*/`
256			`#define CDROM_GET_UPC 0x5311 /* 8 bytes returned */`
257
258			`#define CDROMRESET 0x5312 /* hard-reset the drive */`
259			`#define CDROMVOLREAD 0x5313 /* let the drive tell its volume setting */`
260			`/* (struct cdrom_volctrl) */`
261
262			`/*`
263			`* these ioctls are used in aztcd.c and optcd.c`
264			`*/`
265			`#define CDROMREADRAW 0x5314 /* read data in raw mode */`
266			`#define CDROMREADCOOKED 0x5315 /* read data in cooked mode */`
267			`#define CDROMSEEK 0x5316 /* seek msf address */`
268
269			`/*`
270			`* for playing audio in logical block addressing mode`
271			`*/`
272			`#define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */`
273
274			`/*`
275			`* these ioctls are used in optcd.c`
276			`*/`
277			`#define CDROMREADALL 0x5318 /* read all 2646 bytes */`
278			`#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */`
279
280
281			`/*`
282			`* For controlling a changer. (Used by ATAPI driver.)`
283			`* This ioctl is depreciated in favor of CDROM_SELECT_DISC from`
284			`* ucdrom.h. It will probably be deleted during the 2.1 kernel series.`
285			`*/`
286			`#define CDROMLOADFROMSLOT 0x531a /* LOAD disk from slot*/`
287
288
289			`/*`
290			`* CD-ROM-specific SCSI command opcodes`
291			`*/`
292
293			`/*`
294			`* Group 2 (10-byte). All of these are called 'optional' by SCSI-II.`
295			`*/`
296			`#define SCMD_READ_TOC 0x43 /* read table of contents */`
297			`#define SCMD_PLAYAUDIO_MSF 0x47 /* play data at time offset */`
298			`#define SCMD_PLAYAUDIO_TI 0x48 /* play data at track/index */`
299			`#define SCMD_PAUSE_RESUME 0x4B /* pause/resume audio */`
300			`#define SCMD_READ_SUBCHANNEL 0x42 /* read SC info on playing disc */`
301			`#define SCMD_PLAYAUDIO10 0x45 /* play data at logical block */`
302			`#define SCMD_READ_HEADER 0x44 /* read TOC header */`
303
304			`/*`
305			`* Group 5`
306			`*/`
307			`#define SCMD_PLAYAUDIO12 0xA5 /* play data at logical block */`
308			`#define SCMD_PLAYTRACK_REL12 0xA9 /* play track at relative offset */`
309
310			`/*`
311			`* Group 6 Commands`
312			`*/`
313			`#define SCMD_CD_PLAYBACK_CONTROL 0xC9 /* Sony vendor-specific audio */`
314			`#define SCMD_CD_PLAYBACK_STATUS 0xC4 /* control opcodes */`
315
316			`/*`
317			`* CD-ROM capacity structure.`
318			`*/`
319			`struct scsi_capacity`
320			`{`
321			`u_long capacity;`
322			`u_long lbasize;`
323			`};`
324
325			`/*`
326			`* CD-ROM MODE_SENSE/MODE_SELECT parameters`
327			`*/`
328			`#define ERR_RECOVERY_PARMS 0x01`
329			`#define DISCO_RECO_PARMS 0x02`
330			`#define FORMAT_PARMS 0x03`
331			`#define GEOMETRY_PARMS 0x04`
332			`#define CERTIFICATION_PARMS 0x06`
333			`#define CACHE_PARMS 0x38`
334
335			`/*`
336			`* standard mode-select header prepended to all mode-select commands`
337			`*/`
338			`struct ccs_modesel_head`
339			`{`
340			`u_char _r1; /* reserved */`
341			`u_char medium; /* device-specific medium type */`
342			`u_char _r2; /* reserved */`
343			`u_char block_desc_length; /* block descriptor length */`
344			`u_char density; /* device-specific density code */`
345			`u_char number_blocks_hi; /* number of blocks in this block desc */`
346			`u_char number_blocks_med;`
347			`u_char number_blocks_lo;`
348			`u_char _r3;`
349			`u_char block_length_hi; /* block length for blocks in this desc */`
350			`u_short block_length;`
351			`};`
352
353			`/*`
354			`* error recovery parameters`
355			`*/`
356			`struct ccs_err_recovery`
357			`{`
358			`u_char _r1 : 2; /* reserved */`
359			`u_char page_code : 6; /* page code */`
360			`u_char page_length; /* page length */`
361			`u_char awre : 1; /* auto write realloc enabled */`
362			`u_char arre : 1; /* auto read realloc enabled */`
363			`u_char tb : 1; /* transfer block */`
364			`u_char rc : 1; /* read continuous */`
365			`u_char eec : 1; /* enable early correction */`
366			`u_char per : 1; /* post error */`
367			`u_char dte : 1; /* disable transfer on error */`
368			`u_char dcr : 1; /* disable correction */`
369			`u_char retry_count; /* error retry count */`
370			`u_char correction_span; /* largest recov. to be attempted, bits */`
371			`u_char head_offset_count; /* head offset (2's C) for each retry */`
372			`u_char strobe_offset_count; /* data strobe */`
373			`u_char recovery_time_limit; /* time limit on recovery attempts */`
374			`};`
375
376			`/*`
377			`* disco/reco parameters`
378			`*/`
379			`struct ccs_disco_reco`
380			`{`
381			`u_char _r1 : 2; /* reserved */`
382			`u_char page_code : 6; /* page code */`
383			`u_char page_length; /* page length */`
384			`u_char buffer_full_ratio; /* write buffer reconnect threshold */`
385			`u_char buffer_empty_ratio; /* read */`
386			`u_short bus_inactivity_limit; /* limit on bus inactivity time */`
387			`u_short disconnect_time_limit; /* minimum disconnect time */`
388			`u_short connect_time_limit; /* minimum connect time */`
389			`u_short _r2; /* reserved */`
390			`};`
391
392			`/*`
393			`* drive geometry parameters`
394			`*/`
395			`struct ccs_geometry`
396			`{`
397			`u_char _r1 : 2; /* reserved */`
398			`u_char page_code : 6; /* page code */`
399			`u_char page_length; /* page length */`
400			`u_char cyl_ub; /* #cyls */`
401			`u_char cyl_mb;`
402			`u_char cyl_lb;`
403			`u_char heads; /* #heads */`
404			`u_char precomp_cyl_ub; /* precomp start */`
405			`u_char precomp_cyl_mb;`
406			`u_char precomp_cyl_lb;`
407			`u_char current_cyl_ub; /* reduced current start */`
408			`u_char current_cyl_mb;`
409			`u_char current_cyl_lb;`
410			`u_short step_rate; /* stepping motor rate */`
411			`u_char landing_cyl_ub; /* landing zone */`
412			`u_char landing_cyl_mb;`
413			`u_char landing_cyl_lb;`
414			`u_char _r2;`
415			`u_char _r3;`
416			`u_char _r4;`
417			`};`
418
419			`/*`
420			`* cache parameters`
421			`*/`
422			`struct ccs_cache`
423			`{`
424			`u_char _r1 : 2; /* reserved */`
425			`u_char page_code : 6; /* page code */`
426			`u_char page_length; /* page length */`
427			`u_char mode; /* cache control byte */`
428			`u_char threshold; /* prefetch threshold */`
429			`u_char max_prefetch; /* maximum prefetch size */`
430			`u_char max_multiplier; /* maximum prefetch multiplier */`
431			`u_char min_prefetch; /* minimum prefetch size */`
432			`u_char min_multiplier; /* minimum prefetch multiplier */`
433			`u_char _r2[8];`
434			`};`
435
436			`#endif _LINUX_CDROM_H`
437			`/==========================================================================/`
438			`/*`
439			`* Overrides for Emacs so that we follow Linus's tabbing style.`
440			`* Emacs will notice this stuff at the end of the file and automatically`
441			`* adjust the settings for this buffer only. This must remain at the end`
442			`* of the file.`
443			`* ---------------------------------------------------------------------------`
444			`* Local variables:`
445			`* c-indent-level: 8`
446			`* c-brace-imaginary-offset: 0`
447			`* c-brace-offset: -8`
448			`* c-argdecl-indent: 8`
449			`* c-label-offset: -8`
450			`* c-continued-statement-offset: 8`
451			`* c-continued-brace-offset: 0`
452			`* End:`
453			`*/`