/* $OpenBSD: cd.h,v 1.8 2005/07/02 15:39:55 krw 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_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; }; struct scsi_load_unload { u_int8_t opcode; u_int8_t reserved; #define IMMED 0x1 u_int8_t reserved2[2]; u_int8_t options; #define START 0x1 #define LOUNLO 0x2 u_int8_t reserved4[3]; u_int8_t slot; u_int8_t reserved5[2]; 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 LOAD_UNLOAD 0xa6 /* cdrom load/unload media */ #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 }; /* * 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 */ #define CD_NORMAL_DENSITY_CODE 0x00 /* from Toshiba CD-ROM specs */ #define CD_DA_DENSITY_CODE 0x82 /* from Toshiba CD-ROM specs */ #define CDRETRIES 4 #ifdef _KERNEL struct cd_softc { struct device sc_dev; struct disk sc_dk; int flags; #define CDF_LOCKED 0x01 #define CDF_WANTED 0x02 #define CDF_WLABEL 0x04 /* label is writable */ #define CDF_LABELLING 0x08 /* writing label */ #define CDF_ANCIENT 0x10 /* disk is ancient; for minphys */ #ifdef CDDA #define CDF_CDDA 0x20 #endif struct scsi_link *sc_link; /* contains our targ, lun, etc. */ struct cd_parms { int blksize; u_long disksize; /* total number sectors */ } params; #ifdef CDDA struct cd_parms orig_params; /* filled in when CD-DA mode starts */ #endif struct buf buf_queue; #if NRND > 0 rndsource_element_t rnd_source; #endif }; #endif /* _KERNEL */ #endif