/*      $NetBSD: scsipi_cd.h,v 1.21 2009/04/01 12:19:04 reinoud Exp $   */

/*
 * Written by Julian Elischer (julian@tfs.com)
 * for TRW Financial Systems.
 *
 * TRW Financial Systems, in accordance with their agreement with Carnegie
 * Mellon University, makes this software available to CMU to distribute
 * or use in any manner that they see fit as long as this message is kept with
 * the software. For this reason TFS also grants any other persons or
 * organisations permission to use or modify this software.
 *
 * TFS supplies this software to be publicly redistributed
 * on the understanding that TFS is not responsible for the correct
 * functioning of this software in any circumstances.
 *
 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
 */

/*
 *      Define two bits always in the same place in byte 2 (flag byte)
 */
#define CD_RELADDR      0x01
#define CD_MSF          0x02

/*
 * SCSI and SCSI-like command format
 */

#define LOAD_UNLOAD     0xa6
struct scsipi_load_unload {
        u_int8_t opcode;
        u_int8_t unused1[3];
        u_int8_t options;
        u_int8_t unused2[3];
        u_int8_t slot;
        u_int8_t unused3[3];
} __packed;

#define PAUSE                   0x4b    /* cdrom pause in 'play audio' mode */
struct scsipi_pause {
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused[6];
        u_int8_t resume;
        u_int8_t control;
} __packed;
#define PA_PAUSE        0x00
#define PA_RESUME       0x01

#define PLAY_MSF                0x47    /* cdrom play Min,Sec,Frames mode */
struct scsipi_play_msf {
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused;
        u_int8_t start_m;
        u_int8_t start_s;
        u_int8_t start_f;
        u_int8_t end_m;
        u_int8_t end_s;
        u_int8_t end_f;
        u_int8_t control;
} __packed;

#define PLAY                    0x45    /* cdrom play  'play audio' mode */
struct scsipi_play {
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t blk_addr[4];
        u_int8_t unused;
        u_int8_t xfer_len[2];
        u_int8_t control;
} __packed;

#define READ_HEADER             0x44    /* cdrom read header */
struct scsipi_read_header {
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t blk_addr[4];
        u_int8_t unused;
        u_int8_t data_len[2];
        u_int8_t control;
} __packed;

#define READ_SUBCHANNEL         0x42    /* cdrom read Subchannel */
struct scsipi_read_subchannel {
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t byte3;
#define SRS_SUBQ        0x40
        u_int8_t subchan_format;
        u_int8_t unused[2];
        u_int8_t track;
        u_int8_t data_len[2];
        u_int8_t control;
} __packed;

#define READ_TOC                0x43    /* cdrom read TOC */
struct scsipi_read_toc {
        u_int8_t opcode;
        u_int8_t addr_mode;
        u_int8_t resp_format;
        u_int8_t unused[3];
        u_int8_t from_track;            /* session nr in format 2 */
        u_int8_t data_len[2];
        u_int8_t control;
} __packed;

struct scsipi_toc_header {
        uint8_t  length[2];
        uint8_t  first;                 /* track or session */
        uint8_t  last;
} __packed;

/* read TOC form 0 result entries */
struct scsipi_toc_formatted {
        uint8_t  unused1;
        uint8_t  adrcontrol;
        uint8_t  tracknr;
        uint8_t  unused2;
        uint8_t  msf_lba[4];            /* union msf_lba from cdio.h */
} __packed;

/* read TOC form 1 result entries */
struct scsipi_toc_msinfo {
        uint8_t  unused1;
        uint8_t  adrcontol;
        uint8_t  tracknr;               /* first track last compl. session */
        uint8_t  unused2;
        uint8_t  msf_lba[4];            /* union msf_lba from cdio.h */
} __packed;

/* read TOC form 2 result entries */
struct scsipi_toc_rawtoc {
        uint8_t  sessionnr;
        uint8_t  adrcontrol;
        uint8_t  tno;
        uint8_t  point;
        uint8_t  min;
        uint8_t  sec;
        uint8_t  frame;
        uint8_t  zero;                  /* zero/unused */
        uint8_t  pmin;
        uint8_t  psec;
        uint8_t  pframe;
} __packed;

/* read TOC form 3, 4 and 5 obmitted yet */

#define GET_CONFIGURATION       0x46    /* Get configuration */
#define GET_CONF_NO_FEATURES_LEN 8
struct scsipi_get_configuration {
        uint8_t  opcode;
        uint8_t  request_type;
        uint8_t  start_at_feature[2];
        uint8_t  unused[3];
        uint8_t  data_len[2];
        uint8_t  control;
} __packed;

struct scsipi_get_conf_data {
        uint8_t  data_len[4];
        uint8_t  unused[2];
        uint8_t  mmc_profile[2];        /* current mmc profile for disk */
        uint8_t  feature_desc[1];       /* feature descriptors follow   */
} __packed;

struct scsipi_get_conf_feature {        /* feature descriptor */
        uint8_t  featurecode[2];
        uint8_t  flags;
        uint8_t  additional_length;     /* length of feature dependent  */
        uint8_t  feature_dependent[256];
} __packed;
#define FEATUREFLAG_CURRENT    1
#define FEATUREFLAG_PERSISTENT 2


#define READ_DISCINFO 0x51
struct scsipi_read_discinfo {
        uint8_t  opcode;
        uint8_t  unused[6];
        uint8_t  data_len[2];
        uint8_t  control;
} __packed;

#define READ_DISCINFO_SMALLSIZE  12
#define READ_DISCINFO_BIGSIZE    34     /* + entries */
struct scsipi_read_discinfo_data {
        uint8_t  data_len[2];
        uint8_t  disc_state;
        uint8_t  first_track;
        uint8_t  num_sessions_lsb;
        uint8_t  first_track_last_session_lsb;
        uint8_t  last_track_last_session_lsb;
        uint8_t  disc_state2;
        uint8_t  disc_type;
        uint8_t  num_sessions_msb;
        uint8_t  first_track_last_session_msb;
        uint8_t  last_track_last_session_msb;
        uint8_t  discid[4];
        uint8_t  last_session_leadin_hmsf[4];
        uint8_t  last_possible_start_leadout_hmsf[4];
        uint8_t  disc_bar_code[8];
        uint8_t  application_code;
        uint8_t  num_opc_table_entries;
        uint8_t  opc_table_entries[1];  /* opc table entries follow     */
} __packed;


#define READ_TRACKINFO 0x52
struct scsipi_read_trackinfo {
        uint8_t  opcode;
        uint8_t  addr_type;
        uint8_t  address[4];
        uint8_t  nothing;
        uint8_t  data_len[2];
        uint8_t  control;
} __packed;
#define READ_TRACKINFO_ADDR_LBA    0
#define READ_TRACKINFO_ADDR_TRACK  1
#define READ_TRACKINFO_ADDR_SESS   2

struct scsipi_read_trackinfo_data {
        uint8_t  data_len[2];
        uint8_t  track_lsb;
        uint8_t  session_lsb;
        uint8_t  unused1;
        uint8_t  track_info_1;
        uint8_t  track_info_2;
        uint8_t  data_valid;
        uint8_t  track_start[4];
        uint8_t  next_writable[4];
        uint8_t  free_blocks[4];
        uint8_t  packet_size[4];
        uint8_t  track_size[4];
        uint8_t  last_recorded[4];
        uint8_t  track_msb;
        uint8_t  session_msb;
        uint8_t  unused2[2];
} __packed;
#define READ_TRACKINFO_RETURNSIZE 36


#define CLOSE_TRACKSESSION 0x5B
struct scsipi_close_tracksession {
        uint8_t  opcode;
        uint8_t  addr_type;             /* bit 1 holds immediate */
        uint8_t  function;              /* bits 2,1,0 */
        uint8_t  unused1;
        uint8_t  tracksessionnr[2];
        uint8_t  unused2[3];
        uint8_t  control;
} __packed;


#define RESERVE_TRACK 0x53
struct scsipi_reserve_track {
        uint8_t  opcode;
        uint8_t  reserved[4];
        uint8_t  reservation_size[4];
        uint8_t  control;
} __packed;


#define REPAIR_TRACK 0x58
struct scsipi_repair_track {
        uint8_t  opcode;
        uint8_t  reserved1;             /* bit 1 holds immediate */
        uint8_t  reserved2[2];
        uint8_t  tracknr[2];            /* logical track nr */
        uint8_t  reserved3[3];
        uint8_t  control;
} __packed;


#define READ_CD_CAPACITY        0x25    /* slightly different from disk */
struct scsipi_read_cd_capacity {
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t addr[4];
        u_int8_t unused[3];
        u_int8_t control;
} __packed;

struct scsipi_read_cd_cap_data {
        u_int8_t addr[4];
        u_int8_t length[4];
} __packed;


/* mod pages common to scsi and atapi */
struct cd_audio_page {
        u_int8_t pg_code;
#define         AUDIO_PAGE      0x0e
        u_int8_t pg_length;
        u_int8_t flags;
#define         CD_PA_SOTC      0x02
#define         CD_PA_IMMED     0x04
        u_int8_t unused[2];
        u_int8_t format_lba; /* valid only for SCSI CDs */
#define         CD_PA_FORMAT_LBA 0x0F
#define         CD_PA_APR_VALID 0x80
        u_int8_t lb_per_sec[2];
        struct port_control {
                u_int8_t channels;
#define CHANNEL 0x0F
#define CHANNEL_0 1
#define CHANNEL_1 2
#define CHANNEL_2 4
#define CHANNEL_3 8
#define         LEFT_CHANNEL    CHANNEL_0
#define         RIGHT_CHANNEL   CHANNEL_1
#define         MUTE_CHANNEL    0x0
#define         BOTH_CHANNEL    LEFT_CHANNEL | RIGHT_CHANNEL
                u_int8_t volume;
        } port[4];
#define LEFT_PORT       0
#define RIGHT_PORT      1
};