NetBSD/sys/dev/scsipi/scsipi_cd.h

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/* $NetBSD: scsipi_cd.h,v 1.6 2001/09/02 19:35:21 thorpej 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 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;
};
#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;
};
#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;
};
#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;
};
#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;
};
#define READ_TOC 0x43 /* cdrom read TOC */
struct scsipi_read_toc {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[4];
u_int8_t from_track;
u_int8_t data_len[2];
u_int8_t control;
};
;
#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;
};
struct scsipi_read_cd_cap_data {
u_int8_t addr[4];
u_int8_t length[4];
};
/* mod pages common to scsi and atapi */
struct cd_audio_page {
u_int8_t page_code;
#define AUDIO_PAGE 0x0e
u_int8_t param_len;
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
};