diff options
Diffstat (limited to 'sys/scsi/cd.h')
| -rw-r--r-- | sys/scsi/cd.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/sys/scsi/cd.h b/sys/scsi/cd.h new file mode 100644 index 00000000000..6260ab7cd64 --- /dev/null +++ b/sys/scsi/cd.h @@ -0,0 +1,213 @@ +/* $OpenBSD: cd.h,v 1.1 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_CD_H +#define _SCSI_CD_H 1 + +/* + * Define two bits always in the same place in byte 2 (flag byte) + */ +#define CD_RELADDR 0x01 +#define CD_MSF 0x02 + +/* + * SCSI command format + */ + +struct scsi_read_capacity_cd { + u_int8_t opcode; + u_int8_t byte2; + u_int8_t addr[4]; + u_int8_t unused[3]; + u_int8_t control; +}; + +struct scsi_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 1 +#define PA_RESUME 0 + +struct scsi_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; +}; + +struct scsi_play_track { + u_int8_t opcode; + u_int8_t byte2; + u_int8_t unused[2]; + u_int8_t start_track; + u_int8_t start_index; + u_int8_t unused1; + u_int8_t end_track; + u_int8_t end_index; + u_int8_t control; +}; + +struct scsi_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; +}; + +struct scsi_play_big { + u_int8_t opcode; + u_int8_t byte2; /* same as above */ + u_int8_t blk_addr[4]; + u_int8_t xfer_len[4]; + u_int8_t unused; + u_int8_t control; +}; + +struct scsi_play_rel_big { + u_int8_t opcode; + u_int8_t byte2; /* same as above */ + u_int8_t blk_addr[4]; + u_int8_t xfer_len[4]; + u_int8_t track; + u_int8_t control; +}; + +struct scsi_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; +}; + +struct scsi_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; +}; + +struct scsi_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; +}; +; + +struct scsi_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; +}; + +/* + * 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 scsi_read_cd_cap_data { + u_int8_t addr[4]; + u_int8_t length[4]; +}; + +struct cd_audio_page { + u_int8_t page_code; +#define CD_PAGE_CODE 0x3F +#define AUDIO_PAGE 0x0e +#define CD_PAGE_PS 0x80 + 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; +#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 +}; + +#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 */ + +#endif /*_SCSI_CD_H*/ + |