NetBSD/sys/scsi/scsi_cd.h

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1993-03-21 21:04:42 +03:00
/*
* 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.
*
1993-05-20 07:46:09 +04:00
* $Id: scsi_cd.h,v 1.2 1993/05/20 03:46:28 cgd Exp $
1993-03-21 21:04:42 +03:00
*/
/*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*/
/*
* SCSI command format
*/
struct scsi_read_capacity_cd
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char addr_3; /* Most Significant */
u_char addr_2;
u_char addr_1;
u_char addr_0; /* Least Significant */
u_char unused[3];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_pause
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char unused[6];
u_char resume:1;
u_char :7;
u_char link:1;
u_char flag:1;
u_char :6;
};
#define PA_PAUSE 1
#define PA_RESUME 0
struct scsi_play_msf
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char unused;
u_char start_m;
u_char start_s;
u_char start_f;
u_char end_m;
u_char end_s;
u_char end_f;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play_track
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char unused[2];
u_char start_track;
u_char start_index;
u_char unused1;
u_char end_track;
u_char end_index;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play
{
u_char op_code;
u_char reladdr:1;
u_char :4;
u_char lun:3;
u_char blk_addr[4];
u_char unused;
u_char xfer_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play_big
{
u_char op_code;
u_char reladdr:1;
u_char :4;
u_char lun:3;
u_char blk_addr[4];
u_char xfer_len[4];
u_char unused;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_play_rel_big
{
u_char op_code;
u_char reladdr:1;
u_char :4;
u_char lun:3;
u_char blk_addr[4];
u_char xfer_len[4];
u_char track;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_read_header
{
u_char op_code;
u_char :1;
u_char msf:1;
u_char :3;
u_char lun:3;
u_char blk_addr[4];
u_char unused;
u_char data_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_read_subchannel
{
u_char op_code;
u_char :1;
u_char msf:1;
u_char :3;
u_char lun:3;
u_char :6;
u_char subQ:1;
u_char :1;
u_char subchan_format;
u_char unused[2];
u_char track;
u_char data_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_read_toc
{
u_char op_code;
u_char :1;
u_char msf:1;
u_char :3;
u_char lun:3;
u_char unused[4];
u_char from_track;
u_char data_len[2];
u_char link:1;
u_char flag:1;
u_char :6;
};
;
struct scsi_read_cd_capacity
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char addr_3; /* Most Significant */
u_char addr_2;
u_char addr_1;
u_char addr_0; /* Least Significant */
u_char unused[3];
u_char link:1;
u_char flag:1;
u_char :6;
};
/*
* Opcodes
*/
#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
#define READ_TOC 0x43 /* cdrom read TOC */
#define READ_HEADER 0x44 /* cdrom read header */
#define PLAY 0x45 /* cdrom play 'play audio' mode */
#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
#define PLAY_TRACK 0x48 /* cdrom play track/index mode */
#define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
#define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */
#define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
struct cd_inquiry_data /* in case there is some special info */
{
u_char device_type:5;
u_char device_qualifier:3;
u_char dev_qual2:7;
u_char removable:1;
u_char ansii_version:3;
u_char :5;
u_char response_format;
u_char additional_length;
u_char unused[2];
u_char :3;
u_char can_link:1;
u_char can_sync:1;
u_char :3;
char vendor[8];
char product[16];
char revision[4];
u_char extra[8];
};
struct scsi_read_cd_cap_data
{
u_char addr_3; /* Most significant */
u_char addr_2;
u_char addr_1;
u_char addr_0; /* Least significant */
u_char length_3; /* Most significant */
u_char length_2;
u_char length_1;
u_char length_0; /* Least significant */
};
union cd_pages
{
#define AUDIO_PAGE 0x0e
struct audio_page
{
u_char page_code:6;
u_char :1;
u_char ps:1;
u_char param_len;
u_char :1;
u_char sotc:1;
u_char immed:1;
u_char :5;
u_char unused[2];
u_char format_lba:4;
u_char :3;
u_char apr_valid:1;
u_char lb_per_sec[2];
struct port_control
{
u_char channels:4;
#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
u_char :4;
u_char volume;
} port[4];
#define LEFT_PORT 0
#define RIGHT_PORT 1
}audio;
};
struct cd_mode_data
{
struct scsi_mode_header header;
struct blk_desc blk_desc;
union cd_pages page;
};