/* * 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. * * * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE * -------------------- ----- ---------------------- * CURRENT PATCH LEVEL: 1 00098 * -------------------- ----- ---------------------- * * 16 Feb 93 Julian Elischer ADDED for SCSI system */ /* * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 */ /* * SCSI command format */ struct scsi_read_capacity_cd { u_char op_code; u_char :5; u_char lun:3; u_char addr_3; /* Most Significant */ u_char addr_2; u_char addr_1; u_char addr_0; /* Least Significant */ u_char unused[3]; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_pause { u_char op_code; u_char :5; u_char lun:3; u_char unused[6]; u_char resume:1; u_char :7; u_char link:1; u_char flag:1; u_char :6; }; #define PA_PAUSE 1 #define PA_RESUME 0 struct scsi_play_msf { u_char op_code; u_char :5; u_char lun:3; u_char unused; u_char start_m; u_char start_s; u_char start_f; u_char end_m; u_char end_s; u_char end_f; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_play_track { u_char op_code; u_char :5; u_char lun:3; u_char unused[2]; u_char start_track; u_char start_index; u_char unused1; u_char end_track; u_char end_index; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_play { u_char op_code; u_char reladdr:1; u_char :4; u_char lun:3; u_char blk_addr[4]; u_char unused; u_char xfer_len[2]; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_play_big { u_char op_code; u_char reladdr:1; u_char :4; u_char lun:3; u_char blk_addr[4]; u_char xfer_len[4]; u_char unused; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_play_rel_big { u_char op_code; u_char reladdr:1; u_char :4; u_char lun:3; u_char blk_addr[4]; u_char xfer_len[4]; u_char track; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_read_header { u_char op_code; u_char :1; u_char msf:1; u_char :3; u_char lun:3; u_char blk_addr[4]; u_char unused; u_char data_len[2]; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_read_subchannel { u_char op_code; u_char :1; u_char msf:1; u_char :3; u_char lun:3; u_char :6; u_char subQ:1; u_char :1; u_char subchan_format; u_char unused[2]; u_char track; u_char data_len[2]; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_read_toc { u_char op_code; u_char :1; u_char msf:1; u_char :3; u_char lun:3; u_char unused[4]; u_char from_track; u_char data_len[2]; u_char link:1; u_char flag:1; u_char :6; }; ; struct scsi_read_cd_capacity { u_char op_code; u_char :5; u_char lun:3; u_char addr_3; /* Most Significant */ u_char addr_2; u_char addr_1; u_char addr_0; /* Least Significant */ u_char unused[3]; u_char link:1; u_char flag:1; u_char :6; }; /* * 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 cd_inquiry_data /* in case there is some special info */ { u_char device_type:5; u_char device_qualifier:3; u_char dev_qual2:7; u_char removable:1; u_char ansii_version:3; u_char :5; u_char response_format; u_char additional_length; u_char unused[2]; u_char :3; u_char can_link:1; u_char can_sync:1; u_char :3; char vendor[8]; char product[16]; char revision[4]; u_char extra[8]; }; struct scsi_read_cd_cap_data { u_char addr_3; /* Most significant */ u_char addr_2; u_char addr_1; u_char addr_0; /* Least significant */ u_char length_3; /* Most significant */ u_char length_2; u_char length_1; u_char length_0; /* Least significant */ }; union cd_pages { #define AUDIO_PAGE 0x0e struct audio_page { u_char page_code:6; u_char :1; u_char ps:1; u_char param_len; u_char :1; u_char sotc:1; u_char immed:1; u_char :5; u_char unused[2]; u_char format_lba:4; u_char :3; u_char apr_valid:1; u_char lb_per_sec[2]; struct port_control { u_char channels:4; #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 u_char :4; u_char volume; } port[4]; #define LEFT_PORT 0 #define RIGHT_PORT 1 }audio; }; struct cd_mode_data { struct scsi_mode_header header; struct blk_desc blk_desc; union cd_pages page; };