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218 lines
4.2 KiB
C
218 lines
4.2 KiB
C
/*
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* Written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*
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* $Id$
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*/
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#ifndef _SCSI_SCSI_CD_H
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#define _SCSI_SCSI_CD_H 1
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/*
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* Define two bits always in the same place in byte 2 (flag byte)
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*/
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#define CD_RELADDR 0x01
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#define CD_MSF 0x02
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/*
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* SCSI command format
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*/
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struct scsi_pause
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{
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u_char op_code;
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u_char byte2;
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u_char unused[6];
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u_char resume;
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u_char control;
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};
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#define PA_PAUSE 1
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#define PA_RESUME 0
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struct scsi_play_msf
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{
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u_char op_code;
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u_char byte2;
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u_char unused;
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u_char start_m;
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u_char start_s;
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u_char start_f;
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u_char end_m;
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u_char end_s;
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u_char end_f;
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u_char control;
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};
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struct scsi_play_track
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{
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u_char op_code;
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u_char byte2;
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u_char unused[2];
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u_char start_track;
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u_char start_index;
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u_char unused1;
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u_char end_track;
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u_char end_index;
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u_char control;
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};
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struct scsi_play
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{
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u_char op_code;
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u_char byte2;
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u_char blk_addr[4];
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u_char unused;
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u_char xfer_len[2];
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u_char control;
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};
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struct scsi_play_big
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{
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u_char op_code;
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u_char byte2; /* same as above */
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u_char blk_addr[4];
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u_char xfer_len[4];
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u_char unused;
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u_char control;
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};
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struct scsi_play_rel_big
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{
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u_char op_code;
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u_char byte2; /* same as above */
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u_char blk_addr[4];
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u_char xfer_len[4];
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u_char track;
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u_char control;
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};
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struct scsi_read_header
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{
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u_char op_code;
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u_char byte2;
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u_char blk_addr[4];
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u_char unused;
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u_char data_len[2];
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u_char control;
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};
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struct scsi_read_subchannel
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{
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u_char op_code;
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u_char byte2;
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u_char byte3;
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#define SRS_SUBQ 0x40
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u_char subchan_format;
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u_char unused[2];
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u_char track;
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u_char data_len[2];
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u_char control;
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};
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struct scsi_read_toc
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{
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u_char op_code;
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u_char byte2;
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u_char unused[4];
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u_char from_track;
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u_char data_len[2];
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u_char control;
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};
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;
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struct scsi_read_cd_capacity
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{
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u_char op_code;
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u_char byte2;
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u_char addr_3; /* Most Significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least Significant */
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u_char unused[3];
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u_char control;
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};
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/*
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* Opcodes
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*/
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#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
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#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
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#define READ_TOC 0x43 /* cdrom read TOC */
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#define READ_HEADER 0x44 /* cdrom read header */
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#define PLAY 0x45 /* cdrom play 'play audio' mode */
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#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
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#define PLAY_TRACK 0x48 /* cdrom play track/index mode */
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#define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
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#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
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#define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */
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#define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
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struct scsi_read_cd_cap_data
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{
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u_char addr_3; /* Most significant */
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u_char addr_2;
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u_char addr_1;
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u_char addr_0; /* Least significant */
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u_char length_3; /* Most significant */
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u_char length_2;
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u_char length_1;
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u_char length_0; /* Least significant */
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};
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union cd_pages
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{
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struct audio_page
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{
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u_char page_code;
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#define CD_PAGE_CODE 0x3F
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#define AUDIO_PAGE 0x0e
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#define CD_PAGE_PS 0x80
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u_char param_len;
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u_char flags;
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#define CD_PA_SOTC 0x02
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#define CD_PA_IMMED 0x04
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u_char unused[2];
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u_char format_lba;
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#define CD_PA_FORMAT_LBA 0x0F
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#define CD_PA_APR_VALID 0x80
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u_char lb_per_sec[2];
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struct port_control
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{
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u_char channels;
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#define CHANNEL 0x0F
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#define CHANNEL_0 1
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#define CHANNEL_1 2
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#define CHANNEL_2 4
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#define CHANNEL_3 8
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#define LEFT_CHANNEL CHANNEL_0
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#define RIGHT_CHANNEL CHANNEL_1
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u_char volume;
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} port[4];
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#define LEFT_PORT 0
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#define RIGHT_PORT 1
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}audio;
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};
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struct cd_mode_data
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{
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struct scsi_mode_header header;
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struct blk_desc blk_desc;
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union cd_pages page;
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};
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#endif /*_SCSI_SCSI_CD_H*/
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