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/* $OpenBSD: scsi_cd.h,v 1.5 1999/07/20 06:21:59 csapuntz Exp $ */
/* $NetBSD: scsi_cd.h,v 1.6 1996/03/19 03:06:39 mycroft 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
*/
#ifndef _SCSI_SCSI_CD_H
#define _SCSI_SCSI_CD_H 1
struct scsi_cd_write_params_page {
u_int8_t page_code;
u_int8_t page_len;
u_int8_t write_type;
#define WRITE_TYPE_DUMMY 0x10 /* do not actually write blocks */
#define WRITE_TYPE_MASK 0x0f /* session write type */
u_int8_t track_mode;
#define TRACK_MODE_MULTI_SESS 0xc0 /* multisession write type */
#define TRACK_MODE_FP 0x20 /* fixed packet (if in packet mode) */
#define TRACK_MODE_COPY 0x10 /* 1st higher gen of copy prot track */
#define TRACK_MODE_PREEPMPASIS 0x01 /* audio w/ preemphasis (audio) */
#define TRACK_MODE_INCREMENTAL 0x01 /* incremental data track (data) */
#define TRACK_MODE_ALLOW_COPY 0x02 /* digital copy is permitted */
#define TRACK_MODE_DATA 0x04 /* this is a data track */
#define TRACK_MODE_4CHAN 0x08 /* four channel audio */
u_int8_t dbtype;
#define DBTYPE_MASK 0x0f /* data block type */
u_int8_t reserved1[2];
u_int8_t host_appl_code;
#define HOST_APPL_CODE_MASK 0x3f /* host application code of disk */
u_int8_t session_format;
u_int8_t reserved2;
u_int8_t packet_size[4];
u_int8_t audio_pause_len[2];
u_int8_t media_cat_number[16];
u_int8_t isrc[14];
u_int8_t sub_header[4];
u_int8_t vendir_unique[4];
};
#ifdef CDDA
/*
* There are 2352 bytes in a CD digital audio frame. One frame is 1/75 of a
* second, at 44.1kHz sample rate, 16 bits/sample, 2 channels.
*
* The frame data have the two channels interleaved, with the left
* channel first. Samples are little endian 16-bit signed values.
*/
#define CD_DA_BLKSIZ 2352 /* # bytes in CD-DA frame */
#ifndef CD_NORMAL_DENSITY_CODE
#define CD_NORMAL_DENSITY_CODE 0x00 /* from Toshiba CD-ROM specs */
#endif
#ifndef CD_DA_DENSITY_CODE
#define CD_DA_DENSITY_CODE 0x82 /* from Toshiba CD-ROM specs */
#endif
#endif /* CDDA */
union scsi_cd_pages {
struct scsi_cd_write_params_page write_params;
struct cd_audio_page audio;
};
struct scsi_cd_mode_data {
struct scsi_mode_header header;
struct scsi_blk_desc blk_desc;
union scsi_cd_pages page;
};
#define AUDIOPAGESIZE \
(sizeof(struct scsi_mode_header) + sizeof(struct scsi_blk_desc) \
+ sizeof(struct cd_audio_page))
#endif /*_SCSI_SCSI_CD_H*/
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