| 1 | /* |
| 2 | * Written by Julian Elischer (julian@tfs.com) |
| 3 | * for TRW Financial Systems. |
| 4 | * |
| 5 | * TRW Financial Systems, in accordance with their agreement with Carnegie |
| 6 | * Mellon University, makes this software available to CMU to distribute |
| 7 | * or use in any manner that they see fit as long as this message is kept with |
| 8 | * the software. For this reason TFS also grants any other persons or |
| 9 | * organisations permission to use or modify this software. |
| 10 | * |
| 11 | * TFS supplies this software to be publicly redistributed |
| 12 | * on the understanding that TFS is not responsible for the correct |
| 13 | * functioning of this software in any circumstances. |
| 14 | * |
| 15 | * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 |
| 16 | * |
| 17 | * $Id: scsi_cd.h,v 1.6 93/08/26 21:09:19 julian Exp Locker: julian $ |
| 18 | */ |
| 19 | #ifndef _SCSI_SCSI_CD_H |
| 20 | #define _SCSI_SCSI_CD_H 1 |
| 21 | |
| 22 | /* |
| 23 | * Define two bits always in the same place in byte 2 (flag byte) |
| 24 | */ |
| 25 | #define CD_RELADDR 0x01 |
| 26 | #define CD_MSF 0x02 |
| 27 | |
| 28 | /* |
| 29 | * SCSI command format |
| 30 | */ |
| 31 | |
| 32 | struct scsi_read_capacity_cd |
| 33 | { |
| 34 | u_char op_code; |
| 35 | u_char byte2; |
| 36 | u_char addr_3; /* Most Significant */ |
| 37 | u_char addr_2; |
| 38 | u_char addr_1; |
| 39 | u_char addr_0; /* Least Significant */ |
| 40 | u_char unused[3]; |
| 41 | u_char control; |
| 42 | }; |
| 43 | |
| 44 | struct scsi_pause |
| 45 | { |
| 46 | u_char op_code; |
| 47 | u_char byte2; |
| 48 | u_char unused[6]; |
| 49 | u_char resume; |
| 50 | u_char control; |
| 51 | }; |
| 52 | #define PA_PAUSE 1 |
| 53 | #define PA_RESUME 0 |
| 54 | |
| 55 | struct scsi_play_msf |
| 56 | { |
| 57 | u_char op_code; |
| 58 | u_char byte2; |
| 59 | u_char unused; |
| 60 | u_char start_m; |
| 61 | u_char start_s; |
| 62 | u_char start_f; |
| 63 | u_char end_m; |
| 64 | u_char end_s; |
| 65 | u_char end_f; |
| 66 | u_char control; |
| 67 | }; |
| 68 | |
| 69 | struct scsi_play_track |
| 70 | { |
| 71 | u_char op_code; |
| 72 | u_char byte2; |
| 73 | u_char unused[2]; |
| 74 | u_char start_track; |
| 75 | u_char start_index; |
| 76 | u_char unused1; |
| 77 | u_char end_track; |
| 78 | u_char end_index; |
| 79 | u_char control; |
| 80 | }; |
| 81 | |
| 82 | struct scsi_play |
| 83 | { |
| 84 | u_char op_code; |
| 85 | u_char byte2; |
| 86 | u_char blk_addr[4]; |
| 87 | u_char unused; |
| 88 | u_char xfer_len[2]; |
| 89 | u_char control; |
| 90 | }; |
| 91 | |
| 92 | struct scsi_play_big |
| 93 | { |
| 94 | u_char op_code; |
| 95 | u_char byte2; /* same as above */ |
| 96 | u_char blk_addr[4]; |
| 97 | u_char xfer_len[4]; |
| 98 | u_char unused; |
| 99 | u_char control; |
| 100 | }; |
| 101 | |
| 102 | struct scsi_play_rel_big |
| 103 | { |
| 104 | u_char op_code; |
| 105 | u_char byte2; /* same as above */ |
| 106 | u_char blk_addr[4]; |
| 107 | u_char xfer_len[4]; |
| 108 | u_char track; |
| 109 | u_char control; |
| 110 | }; |
| 111 | |
| 112 | struct scsi_read_header |
| 113 | { |
| 114 | u_char op_code; |
| 115 | u_char byte2; |
| 116 | u_char blk_addr[4]; |
| 117 | u_char unused; |
| 118 | u_char data_len[2]; |
| 119 | u_char control; |
| 120 | }; |
| 121 | |
| 122 | struct scsi_read_subchannel |
| 123 | { |
| 124 | u_char op_code; |
| 125 | u_char byte2; |
| 126 | u_char byte3; |
| 127 | #define SRS_SUBQ 0x40 |
| 128 | u_char subchan_format; |
| 129 | u_char unused[2]; |
| 130 | u_char track; |
| 131 | u_char data_len[2]; |
| 132 | u_char control; |
| 133 | }; |
| 134 | |
| 135 | struct scsi_read_toc |
| 136 | { |
| 137 | u_char op_code; |
| 138 | u_char byte2; |
| 139 | u_char unused[4]; |
| 140 | u_char from_track; |
| 141 | u_char data_len[2]; |
| 142 | u_char control; |
| 143 | }; |
| 144 | ; |
| 145 | |
| 146 | struct scsi_read_cd_capacity |
| 147 | { |
| 148 | u_char op_code; |
| 149 | u_char byte2; |
| 150 | u_char addr_3; /* Most Significant */ |
| 151 | u_char addr_2; |
| 152 | u_char addr_1; |
| 153 | u_char addr_0; /* Least Significant */ |
| 154 | u_char unused[3]; |
| 155 | u_char control; |
| 156 | }; |
| 157 | |
| 158 | /* |
| 159 | * Opcodes |
| 160 | */ |
| 161 | |
| 162 | #define READ_CD_CAPACITY 0x25 /* slightly different from disk */ |
| 163 | #define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */ |
| 164 | #define READ_TOC 0x43 /* cdrom read TOC */ |
| 165 | #define READ_HEADER 0x44 /* cdrom read header */ |
| 166 | #define PLAY 0x45 /* cdrom play 'play audio' mode */ |
| 167 | #define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */ |
| 168 | #define PLAY_TRACK 0x48 /* cdrom play track/index mode */ |
| 169 | #define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */ |
| 170 | #define PAUSE 0x4b /* cdrom pause in 'play audio' mode */ |
| 171 | #define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */ |
| 172 | #define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */ |
| 173 | |
| 174 | |
| 175 | |
| 176 | struct scsi_read_cd_cap_data |
| 177 | { |
| 178 | u_char addr_3; /* Most significant */ |
| 179 | u_char addr_2; |
| 180 | u_char addr_1; |
| 181 | u_char addr_0; /* Least significant */ |
| 182 | u_char length_3; /* Most significant */ |
| 183 | u_char length_2; |
| 184 | u_char length_1; |
| 185 | u_char length_0; /* Least significant */ |
| 186 | }; |
| 187 | |
| 188 | union cd_pages |
| 189 | { |
| 190 | struct audio_page |
| 191 | { |
| 192 | u_char page_code; |
| 193 | #define CD_PAGE_CODE 0x3F |
| 194 | #define AUDIO_PAGE 0x0e |
| 195 | #define CD_PAGE_PS 0x80 |
| 196 | u_char param_len; |
| 197 | u_char flags; |
| 198 | #define CD_PA_SOTC 0x02 |
| 199 | #define CD_PA_IMMED 0x04 |
| 200 | u_char unused[2]; |
| 201 | u_char format_lba; |
| 202 | #define CD_PA_FORMAT_LBA 0x0F |
| 203 | #define CD_PA_APR_VALID 0x80 |
| 204 | u_char lb_per_sec[2]; |
| 205 | struct port_control |
| 206 | { |
| 207 | u_char channels; |
| 208 | #define CHANNEL 0x0F |
| 209 | #define CHANNEL_0 1 |
| 210 | #define CHANNEL_1 2 |
| 211 | #define CHANNEL_2 4 |
| 212 | #define CHANNEL_3 8 |
| 213 | #define LEFT_CHANNEL CHANNEL_0 |
| 214 | #define RIGHT_CHANNEL CHANNEL_1 |
| 215 | u_char volume; |
| 216 | } port[4]; |
| 217 | #define LEFT_PORT 0 |
| 218 | #define RIGHT_PORT 1 |
| 219 | }audio; |
| 220 | }; |
| 221 | |
| 222 | struct cd_mode_data |
| 223 | { |
| 224 | struct scsi_mode_header header; |
| 225 | struct blk_desc blk_desc; |
| 226 | union cd_pages page; |
| 227 | }; |
| 228 | #endif /*_SCSI_SCSI_CD_H*/ |
| 229 | |