6f3bab1f59
(currently only CD-ROM drives on i386). The sys/dev/scsipi system provides 2 busses to which devices can attach (scsibus and atapibus). This needed to change some include files and structure names in the low level scsi drivers.
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
/* $NetBSD: scsipi_cd.h,v 1.2 1997/08/27 11:26:53 bouyer Exp $ */
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/*
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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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#ifndef _SCSI_PI_CD_H
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#define _SCSI_PI_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 and SCSI-like command format
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*/
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#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
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struct scsipi_pause {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t unused[6];
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u_int8_t resume;
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u_int8_t control;
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};
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#define PA_PAUSE 0x00
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#define PA_RESUME 0x01
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#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
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struct scsipi_play_msf {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t unused;
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u_int8_t start_m;
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u_int8_t start_s;
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u_int8_t start_f;
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u_int8_t end_m;
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u_int8_t end_s;
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u_int8_t end_f;
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u_int8_t control;
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};
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#define PLAY 0x45 /* cdrom play 'play audio' mode */
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struct scsipi_play {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t blk_addr[4];
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u_int8_t unused;
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u_int8_t xfer_len[2];
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u_int8_t control;
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};
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#define READ_HEADER 0x44 /* cdrom read header */
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struct scsipi_read_header {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t blk_addr[4];
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u_int8_t unused;
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u_int8_t data_len[2];
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u_int8_t control;
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};
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#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
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struct scsipi_read_subchannel {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t byte3;
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#define SRS_SUBQ 0x40
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u_int8_t subchan_format;
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u_int8_t unused[2];
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u_int8_t track;
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u_int8_t data_len[2];
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u_int8_t control;
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};
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#define READ_TOC 0x43 /* cdrom read TOC */
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struct scsipi_read_toc {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t unused[4];
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u_int8_t from_track;
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u_int8_t data_len[2];
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u_int8_t control;
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};
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;
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#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
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struct scsipi_read_cd_capacity {
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u_int8_t opcode;
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u_int8_t byte2;
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u_int8_t addr[4];
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u_int8_t unused[3];
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u_int8_t control;
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};
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struct scsipi_read_cd_cap_data {
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u_int8_t addr[4];
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u_int8_t length[4];
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};
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/* mod pages common to scsi and atapi */
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struct cd_audio_page {
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u_int8_t 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_int8_t param_len;
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u_int8_t flags;
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#define CD_PA_SOTC 0x02
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#define CD_PA_IMMED 0x04
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u_int8_t unused[2];
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u_int8_t format_lba; /* valid only for SCSI CDs */
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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_int8_t lb_per_sec[2];
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struct port_control {
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u_int8_t 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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#define MUTE_CHANNEL 0x0
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#define BOTH_CHANNEL LEFT_CHANNEL | RIGHT_CHANNEL
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u_int8_t 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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};
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#endif /* _SCSI_PI_CD_H */
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