projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 65d7dd25 JE |
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 | * | |
| 16 | * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE | |
| 17 | * -------------------- ----- ---------------------- | |
| 18 | * CURRENT PATCH LEVEL: 1 00098 | |
| 19 | * -------------------- ----- ---------------------- | |
| 20 | * | |
| 21 | * 16 Feb 93 Julian Elischer ADDED for SCSI system | |
| 22 | */ | |
| 23 | ||
| 24 | ||
| 25 | ||
| 26 | /* | |
| 27 | * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 | |
| 28 | */ | |
| 29 | ||
| 30 | /* | |
| 31 | * SCSI command format | |
| 32 | */ | |
| 33 | ||
| 34 | struct scsi_read_capacity_cd | |
| 35 | { | |
| 36 | u_char op_code; | |
| 37 | u_char :5; | |
| 38 | u_char lun:3; | |
| 39 | u_char addr_3; /* Most Significant */ | |
| 40 | u_char addr_2; | |
| 41 | u_char addr_1; | |
| 42 | u_char addr_0; /* Least Significant */ | |
| 43 | u_char unused[3]; | |
| 44 | u_char link:1; | |
| 45 | u_char flag:1; | |
| 46 | u_char :6; | |
| 47 | }; | |
| 48 | ||
| 49 | struct scsi_pause | |
| 50 | { | |
| 51 | u_char op_code; | |
| 52 | u_char :5; | |
| 53 | u_char lun:3; | |
| 54 | u_char unused[6]; | |
| 55 | u_char resume:1; | |
| 56 | u_char :7; | |
| 57 | u_char link:1; | |
| 58 | u_char flag:1; | |
| 59 | u_char :6; | |
| 60 | }; | |
| 61 | #define PA_PAUSE 1 | |
| 62 | #define PA_RESUME 0 | |
| 63 | ||
| 64 | struct scsi_play_msf | |
| 65 | { | |
| 66 | u_char op_code; | |
| 67 | u_char :5; | |
| 68 | u_char lun:3; | |
| 69 | u_char unused; | |
| 70 | u_char start_m; | |
| 71 | u_char start_s; | |
| 72 | u_char start_f; | |
| 73 | u_char end_m; | |
| 74 | u_char end_s; | |
| 75 | u_char end_f; | |
| 76 | u_char link:1; | |
| 77 | u_char flag:1; | |
| 78 | u_char :6; | |
| 79 | }; | |
| 80 | ||
| 81 | struct scsi_play_track | |
| 82 | { | |
| 83 | u_char op_code; | |
| 84 | u_char :5; | |
| 85 | u_char lun:3; | |
| 86 | u_char unused[2]; | |
| 87 | u_char start_track; | |
| 88 | u_char start_index; | |
| 89 | u_char unused1; | |
| 90 | u_char end_track; | |
| 91 | u_char end_index; | |
| 92 | u_char link:1; | |
| 93 | u_char flag:1; | |
| 94 | u_char :6; | |
| 95 | }; | |
| 96 | ||
| 97 | struct scsi_play | |
| 98 | { | |
| 99 | u_char op_code; | |
| 100 | u_char reladdr:1; | |
| 101 | u_char :4; | |
| 102 | u_char lun:3; | |
| 103 | u_char blk_addr[4]; | |
| 104 | u_char unused; | |
| 105 | u_char xfer_len[2]; | |
| 106 | u_char link:1; | |
| 107 | u_char flag:1; | |
| 108 | u_char :6; | |
| 109 | }; | |
| 110 | ||
| 111 | struct scsi_play_big | |
| 112 | { | |
| 113 | u_char op_code; | |
| 114 | u_char reladdr:1; | |
| 115 | u_char :4; | |
| 116 | u_char lun:3; | |
| 117 | u_char blk_addr[4]; | |
| 118 | u_char xfer_len[4]; | |
| 119 | u_char unused; | |
| 120 | u_char link:1; | |
| 121 | u_char flag:1; | |
| 122 | u_char :6; | |
| 123 | }; | |
| 124 | ||
| 125 | struct scsi_play_rel_big | |
| 126 | { | |
| 127 | u_char op_code; | |
| 128 | u_char reladdr:1; | |
| 129 | u_char :4; | |
| 130 | u_char lun:3; | |
| 131 | u_char blk_addr[4]; | |
| 132 | u_char xfer_len[4]; | |
| 133 | u_char track; | |
| 134 | u_char link:1; | |
| 135 | u_char flag:1; | |
| 136 | u_char :6; | |
| 137 | }; | |
| 138 | ||
| 139 | struct scsi_read_header | |
| 140 | { | |
| 141 | u_char op_code; | |
| 142 | u_char :1; | |
| 143 | u_char msf:1; | |
| 144 | u_char :3; | |
| 145 | u_char lun:3; | |
| 146 | u_char blk_addr[4]; | |
| 147 | u_char unused; | |
| 148 | u_char data_len[2]; | |
| 149 | u_char link:1; | |
| 150 | u_char flag:1; | |
| 151 | u_char :6; | |
| 152 | }; | |
| 153 | ||
| 154 | struct scsi_read_subchannel | |
| 155 | { | |
| 156 | u_char op_code; | |
| 157 | u_char :1; | |
| 158 | u_char msf:1; | |
| 159 | u_char :3; | |
| 160 | u_char lun:3; | |
| 161 | u_char :6; | |
| 162 | u_char subQ:1; | |
| 163 | u_char :1; | |
| 164 | u_char subchan_format; | |
| 165 | u_char unused[2]; | |
| 166 | u_char track; | |
| 167 | u_char data_len[2]; | |
| 168 | u_char link:1; | |
| 169 | u_char flag:1; | |
| 170 | u_char :6; | |
| 171 | }; | |
| 172 | ||
| 173 | struct scsi_read_toc | |
| 174 | { | |
| 175 | u_char op_code; | |
| 176 | u_char :1; | |
| 177 | u_char msf:1; | |
| 178 | u_char :3; | |
| 179 | u_char lun:3; | |
| 180 | u_char unused[4]; | |
| 181 | u_char from_track; | |
| 182 | u_char data_len[2]; | |
| 183 | u_char link:1; | |
| 184 | u_char flag:1; | |
| 185 | u_char :6; | |
| 186 | }; | |
| 187 | ; | |
| 188 | ||
| 189 | struct scsi_read_cd_capacity | |
| 190 | { | |
| 191 | u_char op_code; | |
| 192 | u_char :5; | |
| 193 | u_char lun:3; | |
| 194 | u_char addr_3; /* Most Significant */ | |
| 195 | u_char addr_2; | |
| 196 | u_char addr_1; | |
| 197 | u_char addr_0; /* Least Significant */ | |
| 198 | u_char unused[3]; | |
| 199 | u_char link:1; | |
| 200 | u_char flag:1; | |
| 201 | u_char :6; | |
| 202 | }; | |
| 203 | ||
| 204 | /* | |
| 205 | * Opcodes | |
| 206 | */ | |
| 207 | ||
| 208 | #define READ_CD_CAPACITY 0x25 /* slightly different from disk */ | |
| 209 | #define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */ | |
| 210 | #define READ_TOC 0x43 /* cdrom read TOC */ | |
| 211 | #define READ_HEADER 0x44 /* cdrom read header */ | |
| 212 | #define PLAY 0x45 /* cdrom play 'play audio' mode */ | |
| 213 | #define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */ | |
| 214 | #define PLAY_TRACK 0x48 /* cdrom play track/index mode */ | |
| 215 | #define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */ | |
| 216 | #define PAUSE 0x4b /* cdrom pause in 'play audio' mode */ | |
| 217 | #define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */ | |
| 218 | #define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */ | |
| 219 | ||
| 220 | ||
| 221 | struct cd_inquiry_data /* in case there is some special info */ | |
| 222 | { | |
| 223 | u_char device_type:5; | |
| 224 | u_char device_qualifier:3; | |
| 225 | u_char dev_qual2:7; | |
| 226 | u_char removable:1; | |
| 227 | u_char ansii_version:3; | |
| 228 | u_char :5; | |
| 229 | u_char response_format; | |
| 230 | u_char additional_length; | |
| 231 | u_char unused[2]; | |
| 232 | u_char :3; | |
| 233 | u_char can_link:1; | |
| 234 | u_char can_sync:1; | |
| 235 | u_char :3; | |
| 236 | char vendor[8]; | |
| 237 | char product[16]; | |
| 238 | char revision[4]; | |
| 239 | u_char extra[8]; | |
| 240 | }; | |
| 241 | ||
| 242 | struct scsi_read_cd_cap_data | |
| 243 | { | |
| 244 | u_char addr_3; /* Most significant */ | |
| 245 | u_char addr_2; | |
| 246 | u_char addr_1; | |
| 247 | u_char addr_0; /* Least significant */ | |
| 248 | u_char length_3; /* Most significant */ | |
| 249 | u_char length_2; | |
| 250 | u_char length_1; | |
| 251 | u_char length_0; /* Least significant */ | |
| 252 | }; | |
| 253 | ||
| 254 | union cd_pages | |
| 255 | { | |
| 256 | #define AUDIO_PAGE 0x0e | |
| 257 | struct audio_page | |
| 258 | { | |
| 259 | u_char page_code:6; | |
| 260 | u_char :1; | |
| 261 | u_char ps:1; | |
| 262 | u_char param_len; | |
| 263 | u_char :1; | |
| 264 | u_char sotc:1; | |
| 265 | u_char immed:1; | |
| 266 | u_char :5; | |
| 267 | u_char unused[2]; | |
| 268 | u_char format_lba:4; | |
| 269 | u_char :3; | |
| 270 | u_char apr_valid:1; | |
| 271 | u_char lb_per_sec[2]; | |
| 272 | struct port_control | |
| 273 | { | |
| 274 | u_char channels:4; | |
| 275 | #define CHANNEL_0 1 | |
| 276 | #define CHANNEL_1 2 | |
| 277 | #define CHANNEL_2 4 | |
| 278 | #define CHANNEL_3 8 | |
| 279 | #define LEFT_CHANNEL CHANNEL_0 | |
| 280 | #define RIGHT_CHANNEL CHANNEL_1 | |
| 281 | u_char :4; | |
| 282 | u_char volume; | |
| 283 | } port[4]; | |
| 284 | #define LEFT_PORT 0 | |
| 285 | #define RIGHT_PORT 1 | |
| 286 | }audio; | |
| 287 | }; | |
| 288 | ||
| 289 | struct cd_mode_data | |
| 290 | { | |
| 291 | struct scsi_mode_header header; | |
| 292 | struct blk_desc blk_desc; | |
| 293 | union cd_pages page; | |
| 294 | }; | |
| 295 |