notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * | |
| 3 | * --------------------------------------------------------------------------------------- | |
| 4 | * The following license statement only applies to this file (cdrom.c). | |
| 5 | * --------------------------------------------------------------------------------------- | |
| 6 | * | |
| 7 | * Permission is hereby granted, free of charge, | |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
| 9 | * to deal in the Software without restriction, including without limitation the rights to | |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
| 12 | * | |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
| 14 | * | |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| 21 | */ | |
| 22 | ||
| 23 | #ifdef HAVE_CONFIG_H | |
| 24 | #include "config.h" | |
| 25 | #endif | |
| 26 | ||
| 27 | #include <cdrom/cdrom.h> | |
| 28 | #include <libretro.h> | |
| 29 | #include <stdio.h> | |
| 30 | #include <string.h> | |
| 31 | #include <compat/strl.h> | |
| 32 | #include <compat/strcasestr.h> | |
| 33 | #include <retro_math.h> | |
| 34 | #include <retro_timers.h> | |
| 35 | #include <streams/file_stream.h> | |
| 36 | #include <retro_endianness.h> | |
| 37 | #include <retro_miscellaneous.h> | |
| 38 | #include <vfs/vfs_implementation.h> | |
| 39 | #include <lists/string_list.h> | |
| 40 | #include <lists/dir_list.h> | |
| 41 | #include <string/stdstring.h> | |
| 42 | #include <memalign.h> | |
| 43 | ||
| 44 | #include <math.h> | |
| 45 | #ifdef _WIN32 | |
| 46 | #include <direct.h> | |
| 47 | #else | |
| 48 | #include <unistd.h> | |
| 49 | #endif | |
| 50 | ||
| 51 | #if defined(__linux__) && !defined(ANDROID) | |
| 52 | #include <sys/ioctl.h> | |
| 53 | #include <scsi/sg.h> | |
| 54 | #endif | |
| 55 | ||
| 56 | #if defined(_WIN32) && !defined(_XBOX) | |
| 57 | #include <windows.h> | |
| 58 | #include <winioctl.h> | |
| 59 | #include <ntddscsi.h> | |
| 60 | #endif | |
| 61 | ||
| 62 | #define CDROM_CUE_TRACK_BYTES 107 | |
| 63 | #define CDROM_MAX_SENSE_BYTES 16 | |
| 64 | #define CDROM_MAX_RETRIES 10 | |
| 65 | ||
| 66 | typedef enum | |
| 67 | { | |
| 68 | DIRECTION_NONE, | |
| 69 | DIRECTION_IN, | |
| 70 | DIRECTION_OUT | |
| 71 | } CDROM_CMD_Direction; | |
| 72 | ||
| 73 | void cdrom_lba_to_msf(unsigned lba, unsigned char *min, unsigned char *sec, unsigned char *frame) | |
| 74 | { | |
| 75 | if (!min || !sec || !frame) | |
| 76 | return; | |
| 77 | ||
| 78 | *frame = lba % 75; | |
| 79 | lba /= 75; | |
| 80 | *sec = lba % 60; | |
| 81 | lba /= 60; | |
| 82 | *min = lba; | |
| 83 | } | |
| 84 | ||
| 85 | unsigned cdrom_msf_to_lba(unsigned char min, unsigned char sec, unsigned char frame) | |
| 86 | { | |
| 87 | return (min * 60 + sec) * 75 + frame; | |
| 88 | } | |
| 89 | ||
| 90 | void increment_msf(unsigned char *min, unsigned char *sec, unsigned char *frame) | |
| 91 | { | |
| 92 | if (!min || !sec || !frame) | |
| 93 | return; | |
| 94 | ||
| 95 | *min = (*frame == 74) ? (*sec < 59 ? *min : *min + 1) : *min; | |
| 96 | *sec = (*frame == 74) ? (*sec < 59 ? (*sec + 1) : 0) : *sec; | |
| 97 | *frame = (*frame < 74) ? (*frame + 1) : 0; | |
| 98 | } | |
| 99 | ||
| 100 | #ifdef CDROM_DEBUG | |
| 101 | static void cdrom_print_sense_data(const unsigned char *sense, size_t len) | |
| 102 | { | |
| 103 | unsigned i; | |
| 104 | const char *sense_key_text = NULL; | |
| 105 | unsigned char key; | |
| 106 | unsigned char asc; | |
| 107 | unsigned char ascq; | |
| 108 | ||
| 109 | if (len < 16) | |
| 110 | { | |
| 111 | printf("[CDROM] Sense data buffer length too small.\n"); | |
| 112 | fflush(stdout); | |
| 113 | return; | |
| 114 | } | |
| 115 | ||
| 116 | key = sense[2] & 0xF; | |
| 117 | asc = sense[12]; | |
| 118 | ascq = sense[13]; | |
| 119 | ||
| 120 | printf("[CDROM] Sense Data: "); | |
| 121 | ||
| 122 | for (i = 0; i < MIN(len, 16); i++) | |
| 123 | { | |
| 124 | printf("%02X ", sense[i]); | |
| 125 | } | |
| 126 | ||
| 127 | printf("\n"); | |
| 128 | ||
| 129 | if (sense[0] == 0x70) | |
| 130 | printf("[CDROM] CURRENT ERROR:\n"); | |
| 131 | if (sense[0] == 0x71) | |
| 132 | printf("[CDROM] DEFERRED ERROR:\n"); | |
| 133 | ||
| 134 | switch (key) | |
| 135 | { | |
| 136 | case 0: | |
| 137 | sense_key_text = "NO SENSE"; | |
| 138 | break; | |
| 139 | case 1: | |
| 140 | sense_key_text = "RECOVERED ERROR"; | |
| 141 | break; | |
| 142 | case 2: | |
| 143 | sense_key_text = "NOT READY"; | |
| 144 | break; | |
| 145 | case 3: | |
| 146 | sense_key_text = "MEDIUM ERROR"; | |
| 147 | break; | |
| 148 | case 4: | |
| 149 | sense_key_text = "HARDWARE ERROR"; | |
| 150 | break; | |
| 151 | case 5: | |
| 152 | sense_key_text = "ILLEGAL REQUEST"; | |
| 153 | break; | |
| 154 | case 6: | |
| 155 | sense_key_text = "UNIT ATTENTION"; | |
| 156 | break; | |
| 157 | case 7: | |
| 158 | sense_key_text = "DATA PROTECT"; | |
| 159 | break; | |
| 160 | case 8: | |
| 161 | sense_key_text = "BLANK CHECK"; | |
| 162 | break; | |
| 163 | case 9: | |
| 164 | sense_key_text = "VENDOR SPECIFIC"; | |
| 165 | break; | |
| 166 | case 10: | |
| 167 | sense_key_text = "COPY ABORTED"; | |
| 168 | break; | |
| 169 | case 11: | |
| 170 | sense_key_text = "ABORTED COMMAND"; | |
| 171 | break; | |
| 172 | case 13: | |
| 173 | sense_key_text = "VOLUME OVERFLOW"; | |
| 174 | break; | |
| 175 | case 14: | |
| 176 | sense_key_text = "MISCOMPARE"; | |
| 177 | break; | |
| 178 | } | |
| 179 | ||
| 180 | printf("[CDROM] Sense Key: %02X (%s)\n", key, sense_key_text ? sense_key_text : "null"); | |
| 181 | printf("[CDROM] ASC: %02X\n", asc); | |
| 182 | printf("[CDROM] ASCQ: %02X\n", ascq); | |
| 183 | ||
| 184 | switch (key) | |
| 185 | { | |
| 186 | case 2: | |
| 187 | { | |
| 188 | switch (asc) | |
| 189 | { | |
| 190 | case 4: | |
| 191 | { | |
| 192 | switch (ascq) | |
| 193 | { | |
| 194 | case 1: | |
| 195 | printf("[CDROM] Description: LOGICAL UNIT IS IN PROCESS OF BECOMING READY\n"); | |
| 196 | break; | |
| 197 | default: | |
| 198 | break; | |
| 199 | } | |
| 200 | ||
| 201 | break; | |
| 202 | } | |
| 203 | case 0x3a: | |
| 204 | { | |
| 205 | switch (ascq) | |
| 206 | { | |
| 207 | case 0: | |
| 208 | printf("[CDROM] Description: MEDIUM NOT PRESENT\n"); | |
| 209 | break; | |
| 210 | case 3: | |
| 211 | printf("[CDROM] Description: MEDIUM NOT PRESENT - LOADABLE\n"); | |
| 212 | break; | |
| 213 | case 1: | |
| 214 | printf("[CDROM] Description: MEDIUM NOT PRESENT - TRAY CLOSED\n"); | |
| 215 | break; | |
| 216 | case 2: | |
| 217 | printf("[CDROM] Description: MEDIUM NOT PRESENT - TRAY OPEN\n"); | |
| 218 | break; | |
| 219 | default: | |
| 220 | break; | |
| 221 | } | |
| 222 | ||
| 223 | break; | |
| 224 | } | |
| 225 | default: | |
| 226 | break; | |
| 227 | } | |
| 228 | } | |
| 229 | case 3: | |
| 230 | { | |
| 231 | if (asc == 0x11 && ascq == 0x5) | |
| 232 | printf("[CDROM] Description: L-EC UNCORRECTABLE ERROR\n"); | |
| 233 | break; | |
| 234 | } | |
| 235 | case 5: | |
| 236 | { | |
| 237 | if (asc == 0x20 && ascq == 0) | |
| 238 | printf("[CDROM] Description: INVALID COMMAND OPERATION CODE\n"); | |
| 239 | else if (asc == 0x24 && ascq == 0) | |
| 240 | printf("[CDROM] Description: INVALID FIELD IN CDB\n"); | |
| 241 | else if (asc == 0x26 && ascq == 0) | |
| 242 | printf("[CDROM] Description: INVALID FIELD IN PARAMETER LIST\n"); | |
| 243 | break; | |
| 244 | } | |
| 245 | case 6: | |
| 246 | { | |
| 247 | if (asc == 0x28 && ascq == 0) | |
| 248 | printf("[CDROM] Description: NOT READY TO READY CHANGE, MEDIUM MAY HAVE CHANGED\n"); | |
| 249 | break; | |
| 250 | } | |
| 251 | default: | |
| 252 | break; | |
| 253 | } | |
| 254 | ||
| 255 | fflush(stdout); | |
| 256 | } | |
| 257 | #endif | |
| 258 | ||
| 259 | #if defined(_WIN32) && !defined(_XBOX) | |
| 260 | static int cdrom_send_command_win32(const libretro_vfs_implementation_file *stream, CDROM_CMD_Direction dir, void *buf, size_t len, unsigned char *cmd, size_t cmd_len, unsigned char *sense, size_t sense_len) | |
| 261 | { | |
| 262 | DWORD ioctl_bytes; | |
| 263 | BOOL ioctl_rv; | |
| 264 | #ifdef CDROM_DEBUG | |
| 265 | clock_t t = clock(); | |
| 266 | const char *extra = " "; | |
| 267 | static unsigned char last_min = 0; | |
| 268 | static unsigned char last_sec = 0; | |
| 269 | static unsigned char last_frame = 0; | |
| 270 | ||
| 271 | unsigned lba_cur = cdrom_msf_to_lba(last_min, last_sec, last_frame); | |
| 272 | unsigned lba_req = cdrom_msf_to_lba(cmd[3], cmd[4], cmd[5]); | |
| 273 | #endif | |
| 274 | struct sptd_with_sense | |
| 275 | { | |
| 276 | SCSI_PASS_THROUGH_DIRECT s; | |
| 277 | UCHAR sense[128]; | |
| 278 | } sptd; | |
| 279 | ||
| 280 | memset(&sptd, 0, sizeof(sptd)); | |
| 281 | ||
| 282 | sptd.s.Length = sizeof(sptd.s); | |
| 283 | sptd.s.CdbLength = cmd_len; | |
| 284 | ||
| 285 | switch (dir) | |
| 286 | { | |
| 287 | case DIRECTION_IN: | |
| 288 | sptd.s.DataIn = SCSI_IOCTL_DATA_IN; | |
| 289 | break; | |
| 290 | case DIRECTION_OUT: | |
| 291 | sptd.s.DataIn = SCSI_IOCTL_DATA_OUT; | |
| 292 | break; | |
| 293 | case DIRECTION_NONE: | |
| 294 | default: | |
| 295 | sptd.s.DataIn = SCSI_IOCTL_DATA_UNSPECIFIED; | |
| 296 | break; | |
| 297 | } | |
| 298 | ||
| 299 | sptd.s.TimeOutValue = 5; | |
| 300 | sptd.s.DataBuffer = buf; | |
| 301 | sptd.s.DataTransferLength = len; | |
| 302 | sptd.s.SenseInfoLength = sizeof(sptd.sense); | |
| 303 | sptd.s.SenseInfoOffset = offsetof(struct sptd_with_sense, sense); | |
| 304 | ||
| 305 | memcpy(sptd.s.Cdb, cmd, cmd_len); | |
| 306 | ||
| 307 | ioctl_rv = DeviceIoControl(stream->fh, IOCTL_SCSI_PASS_THROUGH_DIRECT, &sptd, | |
| 308 | sizeof(sptd), &sptd, sizeof(sptd), &ioctl_bytes, NULL); | |
| 309 | ||
| 310 | #ifdef CDROM_DEBUG | |
| 311 | if (lba_req < lba_cur) | |
| 312 | extra = " BACKWARDS SECTOR READ"; | |
| 313 | else if (lba_req > lba_cur) | |
| 314 | extra = " SKIPPED SECTOR READ"; | |
| 315 | ||
| 316 | if (cmd[0] == 0xB9) | |
| 317 | { | |
| 318 | double time_taken = (double)(((clock() - t) * 1000) / CLOCKS_PER_SEC); | |
| 319 | printf("time taken %f ms for DT received length %ld of %" PRId64 " for %02d:%02d:%02d to %02d:%02d:%02d%s req %d cur %d cur_lba %d\n", time_taken, sptd.s.DataTransferLength, len, cmd[3], cmd[4], cmd[5], cmd[6], cmd[7], cmd[8], extra, lba_req, lba_cur, stream->cdrom.cur_lba); | |
| 320 | fflush(stdout); | |
| 321 | } | |
| 322 | ||
| 323 | last_min = cmd[3]; | |
| 324 | last_sec = cmd[4]; | |
| 325 | last_frame = cmd[5]; | |
| 326 | increment_msf(&last_min, &last_sec, &last_frame); | |
| 327 | #endif | |
| 328 | ||
| 329 | if (!ioctl_rv || sptd.s.ScsiStatus != 0) | |
| 330 | return 1; | |
| 331 | ||
| 332 | return 0; | |
| 333 | } | |
| 334 | #endif | |
| 335 | ||
| 336 | #if defined(__linux__) && !defined(ANDROID) | |
| 337 | static int cdrom_send_command_linux(const libretro_vfs_implementation_file *stream, CDROM_CMD_Direction dir, void *buf, size_t len, unsigned char *cmd, size_t cmd_len, unsigned char *sense, size_t sense_len) | |
| 338 | { | |
| 339 | sg_io_hdr_t sgio = {0}; | |
| 340 | int rv; | |
| 341 | ||
| 342 | switch (dir) | |
| 343 | { | |
| 344 | case DIRECTION_IN: | |
| 345 | sgio.dxfer_direction = SG_DXFER_FROM_DEV; | |
| 346 | break; | |
| 347 | case DIRECTION_OUT: | |
| 348 | sgio.dxfer_direction = SG_DXFER_TO_DEV; | |
| 349 | break; | |
| 350 | case DIRECTION_NONE: | |
| 351 | default: | |
| 352 | sgio.dxfer_direction = SG_DXFER_NONE; | |
| 353 | break; | |
| 354 | } | |
| 355 | ||
| 356 | sgio.interface_id = 'S'; | |
| 357 | sgio.cmd_len = cmd_len; | |
| 358 | sgio.cmdp = cmd; | |
| 359 | sgio.dxferp = buf; | |
| 360 | sgio.dxfer_len = len; | |
| 361 | sgio.sbp = sense; | |
| 362 | sgio.mx_sb_len = sense_len; | |
| 363 | sgio.timeout = 5000; | |
| 364 | ||
| 365 | rv = ioctl(fileno(stream->fp), SG_IO, &sgio); | |
| 366 | ||
| 367 | if (rv == -1 || sgio.info & SG_INFO_CHECK) | |
| 368 | return 1; | |
| 369 | ||
| 370 | return 0; | |
| 371 | } | |
| 372 | #endif | |
| 373 | ||
| 374 | static int cdrom_send_command(libretro_vfs_implementation_file *stream, CDROM_CMD_Direction dir, void *buf, size_t len, unsigned char *cmd, size_t cmd_len, size_t skip) | |
| 375 | { | |
| 376 | unsigned char *xfer_buf = NULL; | |
| 377 | unsigned char *xfer_buf_pos = xfer_buf; | |
| 378 | unsigned char sense[CDROM_MAX_SENSE_BYTES] = {0}; | |
| 379 | unsigned char retries_left = CDROM_MAX_RETRIES; | |
| 380 | int i, rv = 0; | |
| 381 | int frames = 1; | |
| 382 | size_t padded_req_bytes; | |
| 383 | size_t copied_bytes = 0; | |
| 384 | bool read_cd = false; | |
| 385 | ||
| 386 | if (!cmd || cmd_len == 0) | |
| 387 | return 1; | |
| 388 | ||
| 389 | if (cmd[0] == 0xBE || cmd[0] == 0xB9) | |
| 390 | { | |
| 391 | frames = ceil((len + skip) / 2352.0); | |
| 392 | padded_req_bytes = 2352 * frames; | |
| 393 | read_cd = true; | |
| 394 | /* these will be incremented below */ | |
| 395 | cmd[6] = cmd[3]; | |
| 396 | cmd[7] = cmd[4]; | |
| 397 | cmd[8] = cmd[5]; | |
| 398 | } | |
| 399 | else | |
| 400 | { | |
| 401 | padded_req_bytes = len + skip; | |
| 402 | } | |
| 403 | ||
| 404 | xfer_buf = (unsigned char*)memalign_alloc(4096, padded_req_bytes); | |
| 405 | xfer_buf_pos = xfer_buf; | |
| 406 | ||
| 407 | if (!xfer_buf) | |
| 408 | return 1; | |
| 409 | ||
| 410 | memset(xfer_buf, 0, padded_req_bytes); | |
| 411 | #ifdef CDROM_DEBUG | |
| 412 | printf("Number of frames to read: %d\n", frames); | |
| 413 | fflush(stdout); | |
| 414 | #endif | |
| 415 | for (i = 0; i < frames; i++) | |
| 416 | { | |
| 417 | size_t request_len = padded_req_bytes; | |
| 418 | size_t copy_len = request_len; | |
| 419 | bool cached_read = false; | |
| 420 | ||
| 421 | if (read_cd) | |
| 422 | { | |
| 423 | unsigned lba_req = 0; | |
| 424 | ||
| 425 | request_len = 2352; | |
| 426 | copy_len = request_len; | |
| 427 | ||
| 428 | increment_msf(&cmd[6], &cmd[7], &cmd[8]); | |
| 429 | ||
| 430 | if (i > 0) | |
| 431 | { | |
| 432 | skip = 0; | |
| 433 | increment_msf(&cmd[3], &cmd[4], &cmd[5]); | |
| 434 | } | |
| 435 | else | |
| 436 | { | |
| 437 | if (skip) | |
| 438 | copy_len -= skip; | |
| 439 | } | |
| 440 | ||
| 441 | if (i == frames - 1) | |
| 442 | { | |
| 443 | copy_len = len - copied_bytes; | |
| 444 | } | |
| 445 | ||
| 446 | lba_req = cdrom_msf_to_lba(cmd[3], cmd[4], cmd[5]); | |
| 447 | ||
| 448 | if (stream->cdrom.last_frame_valid && lba_req == stream->cdrom.last_frame_lba) | |
| 449 | { | |
| 450 | /* use cached frame */ | |
| 451 | cached_read = true; | |
| 452 | #ifdef CDROM_DEBUG | |
| 453 | printf("[CDROM] Using cached frame\n"); | |
| 454 | fflush(stdout); | |
| 455 | #endif | |
| 456 | /* assumes request_len is always equal to the size of last_frame */ | |
| 457 | memcpy(xfer_buf_pos, stream->cdrom.last_frame, sizeof(stream->cdrom.last_frame)); | |
| 458 | } | |
| 459 | ||
| 460 | } | |
| 461 | ||
| 462 | #ifdef CDROM_DEBUG | |
| 463 | if (!cached_read) | |
| 464 | { | |
| 465 | unsigned j; | |
| 466 | ||
| 467 | printf("[CDROM] Send Command: "); | |
| 468 | ||
| 469 | for (j = 0; j < cmd_len / sizeof(*cmd); j++) | |
| 470 | { | |
| 471 | printf("%02X ", cmd[j]); | |
| 472 | } | |
| 473 | ||
| 474 | if (len) | |
| 475 | printf("(buffer of size %" PRId64 " with skip bytes %" PRId64 " padded to %" PRId64 "), frame %d\n", len, skip, padded_req_bytes, i); | |
| 476 | else | |
| 477 | printf("\n"); | |
| 478 | ||
| 479 | fflush(stdout); | |
| 480 | } | |
| 481 | #endif | |
| 482 | ||
| 483 | retry: | |
| 484 | #if defined(__linux__) && !defined(ANDROID) | |
| 485 | if (cached_read || !cdrom_send_command_linux(stream, dir, xfer_buf_pos, request_len, cmd, cmd_len, sense, sizeof(sense))) | |
| 486 | #else | |
| 487 | #if defined(_WIN32) && !defined(_XBOX) | |
| 488 | if (cached_read || !cdrom_send_command_win32(stream, dir, xfer_buf_pos, request_len, cmd, cmd_len, sense, sizeof(sense))) | |
| 489 | #endif | |
| 490 | #endif | |
| 491 | { | |
| 492 | rv = 0; | |
| 493 | ||
| 494 | if (buf) | |
| 495 | { | |
| 496 | #if 0 | |
| 497 | printf("offsetting %" PRId64 " from buf, copying at xfer_buf offset %" PRId64 ", copying %" PRId64 " bytes\n", copied_bytes, (xfer_buf_pos + skip) - xfer_buf, copy_len); | |
| 498 | fflush(stdout); | |
| 499 | #endif | |
| 500 | memcpy((char*)buf + copied_bytes, xfer_buf_pos + skip, copy_len); | |
| 501 | copied_bytes += copy_len; | |
| 502 | ||
| 503 | if (read_cd && !cached_read && request_len >= 2352) | |
| 504 | { | |
| 505 | unsigned frame_end = cdrom_msf_to_lba(cmd[6], cmd[7], cmd[8]); | |
| 506 | ||
| 507 | /* cache the last received frame */ | |
| 508 | memcpy(stream->cdrom.last_frame, xfer_buf_pos, sizeof(stream->cdrom.last_frame)); | |
| 509 | stream->cdrom.last_frame_valid = true; | |
| 510 | /* the ending frame is never actually read, so what we really just read is the one right before that */ | |
| 511 | stream->cdrom.last_frame_lba = frame_end - 1; | |
| 512 | } | |
| 513 | else | |
| 514 | stream->cdrom.last_frame_valid = false; | |
| 515 | ||
| 516 | #if 0 | |
| 517 | printf("Frame %d, adding %" PRId64 " to buf_pos, is now %" PRId64 ". skip is %" PRId64 "\n", i, request_len, (xfer_buf_pos + request_len) - xfer_buf, skip); | |
| 518 | fflush(stdout); | |
| 519 | #endif | |
| 520 | xfer_buf_pos += request_len; | |
| 521 | } | |
| 522 | } | |
| 523 | else | |
| 524 | { | |
| 525 | #ifdef CDROM_DEBUG | |
| 526 | cdrom_print_sense_data(sense, sizeof(sense)); | |
| 527 | #endif | |
| 528 | ||
| 529 | /* INQUIRY/TEST/SENSE should never fail, don't retry. */ | |
| 530 | /* READ ATIP seems to fail outright on some drives with pressed discs, skip retries. */ | |
| 531 | if (cmd[0] != 0x0 && cmd[0] != 0x12 && cmd[0] != 0x5A && !(cmd[0] == 0x43 && cmd[2] == 0x4)) | |
| 532 | { | |
| 533 | unsigned char key = sense[2] & 0xF; | |
| 534 | ||
| 535 | switch (key) | |
| 536 | { | |
| 537 | case 0: | |
| 538 | case 2: | |
| 539 | case 3: | |
| 540 | case 4: | |
| 541 | case 6: | |
| 542 | if (retries_left) | |
| 543 | { | |
| 544 | #ifdef CDROM_DEBUG | |
| 545 | printf("[CDROM] Read Retry...\n"); | |
| 546 | fflush(stdout); | |
| 547 | #endif | |
| 548 | retries_left--; | |
| 549 | retro_sleep(1000); | |
| 550 | goto retry; | |
| 551 | } | |
| 552 | else | |
| 553 | { | |
| 554 | rv = 1; | |
| 555 | #ifdef CDROM_DEBUG | |
| 556 | printf("[CDROM] Read retries failed, giving up.\n"); | |
| 557 | fflush(stdout); | |
| 558 | #endif | |
| 559 | } | |
| 560 | ||
| 561 | break; | |
| 562 | default: | |
| 563 | break; | |
| 564 | } | |
| 565 | } | |
| 566 | ||
| 567 | rv = 1; | |
| 568 | } | |
| 569 | } | |
| 570 | ||
| 571 | if (xfer_buf) | |
| 572 | memalign_free(xfer_buf); | |
| 573 | ||
| 574 | return rv; | |
| 575 | } | |
| 576 | ||
| 577 | static const char* get_profile(unsigned short profile) | |
| 578 | { | |
| 579 | switch (profile) | |
| 580 | { | |
| 581 | case 2: | |
| 582 | return "Removable disk"; | |
| 583 | break; | |
| 584 | case 8: | |
| 585 | return "CD-ROM"; | |
| 586 | break; | |
| 587 | case 9: | |
| 588 | return "CD-R"; | |
| 589 | break; | |
| 590 | case 0xA: | |
| 591 | return "CD-RW"; | |
| 592 | break; | |
| 593 | case 0x10: | |
| 594 | return "DVD-ROM"; | |
| 595 | break; | |
| 596 | case 0x11: | |
| 597 | return "DVD-R Sequential Recording"; | |
| 598 | break; | |
| 599 | case 0x12: | |
| 600 | return "DVD-RAM"; | |
| 601 | break; | |
| 602 | case 0x13: | |
| 603 | return "DVD-RW Restricted Overwrite"; | |
| 604 | break; | |
| 605 | case 0x14: | |
| 606 | return "DVD-RW Sequential recording"; | |
| 607 | break; | |
| 608 | case 0x15: | |
| 609 | return "DVD-R Dual Layer Sequential Recording"; | |
| 610 | break; | |
| 611 | case 0x16: | |
| 612 | return "DVD-R Dual Layer Jump Recording"; | |
| 613 | break; | |
| 614 | case 0x17: | |
| 615 | return "DVD-RW Dual Layer"; | |
| 616 | break; | |
| 617 | case 0x1A: | |
| 618 | return "DVD+RW"; | |
| 619 | break; | |
| 620 | case 0x1B: | |
| 621 | return "DVD+R"; | |
| 622 | break; | |
| 623 | case 0x2A: | |
| 624 | return "DVD+RW Dual Layer"; | |
| 625 | break; | |
| 626 | case 0x2B: | |
| 627 | return "DVD+R Dual Layer"; | |
| 628 | break; | |
| 629 | case 0x40: | |
| 630 | return "BD-ROM"; | |
| 631 | break; | |
| 632 | case 0x41: | |
| 633 | return "BD-R SRM"; | |
| 634 | break; | |
| 635 | case 0x42: | |
| 636 | return "BD-R RRM"; | |
| 637 | break; | |
| 638 | case 0x43: | |
| 639 | return "BD-RE"; | |
| 640 | break; | |
| 641 | case 0x50: | |
| 642 | return "HD DVD-ROM"; | |
| 643 | break; | |
| 644 | case 0x51: | |
| 645 | return "HD DVD-R"; | |
| 646 | break; | |
| 647 | case 0x52: | |
| 648 | return "HD DVD-RAM"; | |
| 649 | break; | |
| 650 | case 0x53: | |
| 651 | return "HD DVD-RW"; | |
| 652 | break; | |
| 653 | case 0x58: | |
| 654 | return "HD DVD-R Dual Layer"; | |
| 655 | break; | |
| 656 | case 0x5A: | |
| 657 | return "HD DVD-RW Dual Layer"; | |
| 658 | break; | |
| 659 | default: | |
| 660 | break; | |
| 661 | } | |
| 662 | ||
| 663 | return "Unknown"; | |
| 664 | } | |
| 665 | ||
| 666 | int cdrom_get_sense(libretro_vfs_implementation_file *stream, unsigned char *sense, size_t len) | |
| 667 | { | |
| 668 | unsigned char cdb[] = {0x3, 0, 0, 0, 0xFC, 0}; | |
| 669 | unsigned char buf[0xFC] = {0}; | |
| 670 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 671 | ||
| 672 | #ifdef CDROM_DEBUG | |
| 673 | printf("[CDROM] get sense data status code %d\n", rv); | |
| 674 | fflush(stdout); | |
| 675 | #endif | |
| 676 | ||
| 677 | if (rv) | |
| 678 | return 1; | |
| 679 | ||
| 680 | #ifdef CDROM_DEBUG | |
| 681 | cdrom_print_sense_data(buf, sizeof(buf)); | |
| 682 | #endif | |
| 683 | ||
| 684 | return 0; | |
| 685 | } | |
| 686 | ||
| 687 | void cdrom_get_current_config_random_readable(libretro_vfs_implementation_file *stream) | |
| 688 | { | |
| 689 | unsigned char cdb[] = {0x46, 0x2, 0, 0x10, 0, 0, 0, 0, 0x14, 0}; | |
| 690 | unsigned char buf[0x14] = {0}; | |
| 691 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 692 | int i; | |
| 693 | ||
| 694 | printf("[CDROM] get current config random readable status code %d\n", rv); | |
| 695 | ||
| 696 | if (rv) | |
| 697 | return; | |
| 698 | ||
| 699 | printf("[CDROM] Feature Header: "); | |
| 700 | ||
| 701 | for (i = 0; i < 8; i++) | |
| 702 | { | |
| 703 | printf("%02X ", buf[i]); | |
| 704 | } | |
| 705 | ||
| 706 | printf("\n"); | |
| 707 | ||
| 708 | printf("[CDROM] Random Readable Feature Descriptor: "); | |
| 709 | ||
| 710 | for (i = 0; i < 12; i++) | |
| 711 | { | |
| 712 | printf("%02X ", buf[8 + i]); | |
| 713 | } | |
| 714 | ||
| 715 | printf("\n"); | |
| 716 | ||
| 717 | printf("[CDROM] Supported commands: READ CAPACITY, READ (10)\n"); | |
| 718 | } | |
| 719 | ||
| 720 | void cdrom_get_current_config_multiread(libretro_vfs_implementation_file *stream) | |
| 721 | { | |
| 722 | unsigned char cdb[] = {0x46, 0x2, 0, 0x1D, 0, 0, 0, 0, 0xC, 0}; | |
| 723 | unsigned char buf[0xC] = {0}; | |
| 724 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 725 | int i; | |
| 726 | ||
| 727 | printf("[CDROM] get current config multi-read status code %d\n", rv); | |
| 728 | ||
| 729 | if (rv) | |
| 730 | return; | |
| 731 | ||
| 732 | printf("[CDROM] Feature Header: "); | |
| 733 | ||
| 734 | for (i = 0; i < 8; i++) | |
| 735 | { | |
| 736 | printf("%02X ", buf[i]); | |
| 737 | } | |
| 738 | ||
| 739 | printf("\n"); | |
| 740 | ||
| 741 | printf("[CDROM] Multi-Read Feature Descriptor: "); | |
| 742 | ||
| 743 | for (i = 0; i < 4; i++) | |
| 744 | { | |
| 745 | printf("%02X ", buf[8 + i]); | |
| 746 | } | |
| 747 | ||
| 748 | printf("\n"); | |
| 749 | ||
| 750 | printf("[CDROM] Supported commands: READ (10), READ CD, READ DISC INFORMATION, READ TRACK INFORMATION\n"); | |
| 751 | } | |
| 752 | ||
| 753 | void cdrom_get_current_config_cdread(libretro_vfs_implementation_file *stream) | |
| 754 | { | |
| 755 | unsigned char cdb[] = {0x46, 0x2, 0, 0x1E, 0, 0, 0, 0, 0x10, 0}; | |
| 756 | unsigned char buf[0x10] = {0}; | |
| 757 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 758 | int i; | |
| 759 | ||
| 760 | printf("[CDROM] get current config cd read status code %d\n", rv); | |
| 761 | ||
| 762 | if (rv) | |
| 763 | return; | |
| 764 | ||
| 765 | printf("[CDROM] Feature Header: "); | |
| 766 | ||
| 767 | for (i = 0; i < 8; i++) | |
| 768 | { | |
| 769 | printf("%02X ", buf[i]); | |
| 770 | } | |
| 771 | ||
| 772 | printf("\n"); | |
| 773 | ||
| 774 | printf("[CDROM] CD Read Feature Descriptor: "); | |
| 775 | ||
| 776 | for (i = 0; i < 8; i++) | |
| 777 | { | |
| 778 | printf("%02X ", buf[8 + i]); | |
| 779 | } | |
| 780 | ||
| 781 | if (buf[8 + 2] & 1) | |
| 782 | printf("(current)\n"); | |
| 783 | ||
| 784 | printf("[CDROM] Supported commands: READ CD, READ CD MSF, READ TOC/PMA/ATIP\n"); | |
| 785 | } | |
| 786 | ||
| 787 | void cdrom_get_current_config_profiles(libretro_vfs_implementation_file *stream) | |
| 788 | { | |
| 789 | unsigned char cdb[] = {0x46, 0x2, 0, 0x0, 0, 0, 0, 0xFF, 0xFA, 0}; | |
| 790 | unsigned char buf[0xFFFA] = {0}; | |
| 791 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 792 | int i; | |
| 793 | ||
| 794 | printf("[CDROM] get current config profiles status code %d\n", rv); | |
| 795 | ||
| 796 | if (rv) | |
| 797 | return; | |
| 798 | ||
| 799 | printf("[CDROM] Feature Header: "); | |
| 800 | ||
| 801 | for (i = 0; i < 8; i++) | |
| 802 | { | |
| 803 | printf("%02X ", buf[i]); | |
| 804 | } | |
| 805 | ||
| 806 | printf("\n"); | |
| 807 | ||
| 808 | printf("[CDROM] Profile List Descriptor: "); | |
| 809 | ||
| 810 | for (i = 0; i < 4; i++) | |
| 811 | { | |
| 812 | printf("%02X ", buf[8 + i]); | |
| 813 | } | |
| 814 | ||
| 815 | printf("\n"); | |
| 816 | ||
| 817 | printf("[CDROM] Number of profiles: %u\n", buf[8 + 3] / 4); | |
| 818 | ||
| 819 | for (i = 0; i < buf[8 + 3] / 4; i++) | |
| 820 | { | |
| 821 | unsigned short profile = (buf[8 + (4 * (i + 1))] << 8) | buf[8 + (4 * (i + 1)) + 1]; | |
| 822 | ||
| 823 | printf("[CDROM] Profile Number: %04X (%s) ", profile, get_profile(profile)); | |
| 824 | ||
| 825 | if (buf[8 + (4 * (i + 1)) + 2] & 1) | |
| 826 | printf("(current)\n"); | |
| 827 | else | |
| 828 | printf("\n"); | |
| 829 | } | |
| 830 | } | |
| 831 | ||
| 832 | void cdrom_get_current_config_core(libretro_vfs_implementation_file *stream) | |
| 833 | { | |
| 834 | unsigned char cdb[] = {0x46, 0x2, 0, 0x1, 0, 0, 0, 0, 0x14, 0}; | |
| 835 | unsigned char buf[20] = {0}; | |
| 836 | unsigned intf_std = 0; | |
| 837 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 838 | int i; | |
| 839 | const char *intf_std_name = "Unknown"; | |
| 840 | ||
| 841 | printf("[CDROM] get current config core status code %d\n", rv); | |
| 842 | ||
| 843 | if (rv) | |
| 844 | return; | |
| 845 | ||
| 846 | printf("[CDROM] Feature Header: "); | |
| 847 | ||
| 848 | for (i = 0; i < 8; i++) | |
| 849 | { | |
| 850 | printf("%02X ", buf[i]); | |
| 851 | } | |
| 852 | ||
| 853 | printf("\n"); | |
| 854 | ||
| 855 | if (buf[6] == 0 && buf[7] == 8) | |
| 856 | printf("[CDROM] Current Profile: CD-ROM\n"); | |
| 857 | else | |
| 858 | printf("[CDROM] Current Profile: %02X%02X\n", buf[6], buf[7]); | |
| 859 | ||
| 860 | printf("[CDROM] Core Feature Descriptor: "); | |
| 861 | ||
| 862 | for (i = 0; i < 12; i++) | |
| 863 | { | |
| 864 | printf("%02X ", buf[8 + i]); | |
| 865 | } | |
| 866 | ||
| 867 | printf("\n"); | |
| 868 | ||
| 869 | intf_std = buf[8 + 4] << 24 | buf[8 + 5] << 16 | buf[8 + 6] << 8 | buf[8 + 7]; | |
| 870 | ||
| 871 | switch (intf_std) | |
| 872 | { | |
| 873 | case 0: | |
| 874 | intf_std_name = "Unspecified"; | |
| 875 | break; | |
| 876 | case 1: | |
| 877 | intf_std_name = "SCSI Family"; | |
| 878 | break; | |
| 879 | case 2: | |
| 880 | intf_std_name = "ATAPI"; | |
| 881 | break; | |
| 882 | case 7: | |
| 883 | intf_std_name = "Serial ATAPI"; | |
| 884 | break; | |
| 885 | case 8: | |
| 886 | intf_std_name = "USB"; | |
| 887 | break; | |
| 888 | default: | |
| 889 | break; | |
| 890 | } | |
| 891 | ||
| 892 | printf("[CDROM] Physical Interface Standard: %u (%s)\n", intf_std, intf_std_name); | |
| 893 | } | |
| 894 | ||
| 895 | int cdrom_read_subq(libretro_vfs_implementation_file *stream, unsigned char *buf, size_t len) | |
| 896 | { | |
| 897 | /* MMC Command: READ TOC/PMA/ATIP */ | |
| 898 | unsigned char cdb[] = {0x43, 0x2, 0x2, 0, 0, 0, 0x1, 0x9, 0x30, 0}; | |
| 899 | #ifdef CDROM_DEBUG | |
| 900 | unsigned short data_len = 0; | |
| 901 | unsigned char first_session = 0; | |
| 902 | unsigned char last_session = 0; | |
| 903 | int i; | |
| 904 | #endif | |
| 905 | int rv; | |
| 906 | ||
| 907 | if (!buf) | |
| 908 | return 1; | |
| 909 | ||
| 910 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, len, cdb, sizeof(cdb), 0); | |
| 911 | ||
| 912 | if (rv) | |
| 913 | return 1; | |
| 914 | ||
| 915 | #ifdef CDROM_DEBUG | |
| 916 | data_len = buf[0] << 8 | buf[1]; | |
| 917 | first_session = buf[2]; | |
| 918 | last_session = buf[3]; | |
| 919 | ||
| 920 | printf("[CDROM] Data Length: %d\n", data_len); | |
| 921 | printf("[CDROM] First Session: %d\n", first_session); | |
| 922 | printf("[CDROM] Last Session: %d\n", last_session); | |
| 923 | ||
| 924 | for (i = 0; i < (data_len - 2) / 11; i++) | |
| 925 | { | |
| 926 | unsigned char session_num = buf[4 + (i * 11) + 0]; | |
| 927 | unsigned char adr = (buf[4 + (i * 11) + 1] >> 4) & 0xF; | |
| 928 | /*unsigned char control = buf[4 + (i * 11) + 1] & 0xF;*/ | |
| 929 | unsigned char tno = buf[4 + (i * 11) + 2]; | |
| 930 | unsigned char point = buf[4 + (i * 11) + 3]; | |
| 931 | unsigned char pmin = buf[4 + (i * 11) + 8]; | |
| 932 | unsigned char psec = buf[4 + (i * 11) + 9]; | |
| 933 | unsigned char pframe = buf[4 + (i * 11) + 10]; | |
| 934 | ||
| 935 | /*printf("i %d control %d adr %d tno %d point %d: ", i, control, adr, tno, point);*/ | |
| 936 | /* why is control always 0? */ | |
| 937 | ||
| 938 | if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point >= 1 && point <= 99) | |
| 939 | { | |
| 940 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
| 941 | printf("Track start time: (aMSF %02u:%02u:%02u) ", (unsigned)pmin, (unsigned)psec, (unsigned)pframe); | |
| 942 | } | |
| 943 | else if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA0) | |
| 944 | { | |
| 945 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
| 946 | printf("First Track Number: %d ", pmin); | |
| 947 | printf("Disc Type: %d ", psec); | |
| 948 | } | |
| 949 | else if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA1) | |
| 950 | { | |
| 951 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
| 952 | printf("Last Track Number: %d ", pmin); | |
| 953 | } | |
| 954 | else if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA2) | |
| 955 | { | |
| 956 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
| 957 | printf("Lead-out start time: (aMSF %02u:%02u:%02u) ", (unsigned)pmin, (unsigned)psec, (unsigned)pframe); | |
| 958 | } | |
| 959 | ||
| 960 | printf("\n"); | |
| 961 | } | |
| 962 | ||
| 963 | fflush(stdout); | |
| 964 | #endif | |
| 965 | return 0; | |
| 966 | } | |
| 967 | ||
| 968 | static int cdrom_read_track_info(libretro_vfs_implementation_file *stream, unsigned char track, cdrom_toc_t *toc) | |
| 969 | { | |
| 970 | /* MMC Command: READ TRACK INFORMATION */ | |
| 971 | unsigned char cdb[] = {0x52, 0x1, 0, 0, 0, 0, 0, 0x1, 0x80, 0}; | |
| 972 | unsigned char buf[384] = {0}; | |
| 973 | unsigned lba = 0; | |
| 974 | unsigned track_size = 0; | |
| 975 | int rv; | |
| 976 | ssize_t pregap_lba_len; | |
| 977 | ||
| 978 | cdb[5] = track; | |
| 979 | ||
| 980 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 981 | ||
| 982 | if (rv) | |
| 983 | return 1; | |
| 984 | ||
| 985 | memcpy(&lba, buf + 8, 4); | |
| 986 | memcpy(&track_size, buf + 24, 4); | |
| 987 | ||
| 988 | lba = swap_if_little32(lba); | |
| 989 | track_size = swap_if_little32(track_size); | |
| 990 | ||
| 991 | /* lba_start may be earlier than the MSF start times seen in read_subq */ | |
| 992 | toc->track[track - 1].lba_start = lba; | |
| 993 | toc->track[track - 1].track_size = track_size; | |
| 994 | ||
| 995 | pregap_lba_len = (toc->track[track - 1].audio ? 0 : (toc->track[track - 1].lba - toc->track[track - 1].lba_start)); | |
| 996 | ||
| 997 | toc->track[track - 1].track_bytes = (track_size - pregap_lba_len) * 2352; | |
| 998 | toc->track[track - 1].mode = buf[6] & 0xF; | |
| 999 | ||
| 1000 | #ifdef CDROM_DEBUG | |
| 1001 | printf("[CDROM] Track %d Info: ", track); | |
| 1002 | printf("Copy: %d ", (buf[5] & 0x10) > 0); | |
| 1003 | printf("Data Mode: %d ", toc->track[track - 1].mode); | |
| 1004 | printf("LBA Start: %d (%d) ", lba, toc->track[track - 1].lba); | |
| 1005 | printf("Track Size: %d\n", track_size); | |
| 1006 | fflush(stdout); | |
| 1007 | #endif | |
| 1008 | ||
| 1009 | return 0; | |
| 1010 | } | |
| 1011 | ||
| 1012 | int cdrom_set_read_speed(libretro_vfs_implementation_file *stream, unsigned speed) | |
| 1013 | { | |
| 1014 | /* MMC Command: SET CD SPEED */ | |
| 1015 | unsigned char cmd[] = {0xBB, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | |
| 1016 | ||
| 1017 | cmd[2] = (speed >> 24) & 0xFF; | |
| 1018 | cmd[3] = (speed >> 16) & 0xFF; | |
| 1019 | cmd[4] = (speed >> 8) & 0xFF; | |
| 1020 | cmd[5] = speed & 0xFF; | |
| 1021 | ||
| 1022 | return cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cmd, sizeof(cmd), 0); | |
| 1023 | } | |
| 1024 | ||
| 1025 | int cdrom_write_cue(libretro_vfs_implementation_file *stream, char **out_buf, size_t *out_len, char cdrom_drive, unsigned char *num_tracks, cdrom_toc_t *toc) | |
| 1026 | { | |
| 1027 | unsigned char buf[2352] = {0}; | |
| 1028 | unsigned short data_len = 0; | |
| 1029 | size_t len = 0; | |
| 1030 | size_t pos = 0; | |
| 1031 | int rv = 0; | |
| 1032 | int i; | |
| 1033 | ||
| 1034 | if (!out_buf || !out_len || !num_tracks || !toc) | |
| 1035 | { | |
| 1036 | #ifdef CDROM_DEBUG | |
| 1037 | printf("[CDROM] Invalid buffer/length pointer for CDROM cue sheet\n"); | |
| 1038 | fflush(stdout); | |
| 1039 | #endif | |
| 1040 | return 1; | |
| 1041 | } | |
| 1042 | ||
| 1043 | cdrom_set_read_speed(stream, 0xFFFFFFFF); | |
| 1044 | ||
| 1045 | rv = cdrom_read_subq(stream, buf, sizeof(buf)); | |
| 1046 | ||
| 1047 | if (rv) | |
| 1048 | return rv; | |
| 1049 | ||
| 1050 | data_len = buf[0] << 8 | buf[1]; | |
| 1051 | ||
| 1052 | for (i = 0; i < (data_len - 2) / 11; i++) | |
| 1053 | { | |
| 1054 | unsigned char adr = (buf[4 + (i * 11) + 1] >> 4) & 0xF; | |
| 1055 | unsigned char tno = buf[4 + (i * 11) + 2]; | |
| 1056 | unsigned char point = buf[4 + (i * 11) + 3]; | |
| 1057 | unsigned char pmin = buf[4 + (i * 11) + 8]; | |
| 1058 | ||
| 1059 | if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA1) | |
| 1060 | { | |
| 1061 | *num_tracks = pmin; | |
| 1062 | #ifdef CDROM_DEBUG | |
| 1063 | printf("[CDROM] Number of CDROM tracks: %d\n", *num_tracks); | |
| 1064 | fflush(stdout); | |
| 1065 | #endif | |
| 1066 | break; | |
| 1067 | } | |
| 1068 | } | |
| 1069 | ||
| 1070 | if (!*num_tracks || *num_tracks > 99) | |
| 1071 | { | |
| 1072 | #ifdef CDROM_DEBUG | |
| 1073 | printf("[CDROM] Invalid number of CDROM tracks: %d\n", *num_tracks); | |
| 1074 | fflush(stdout); | |
| 1075 | #endif | |
| 1076 | return 1; | |
| 1077 | } | |
| 1078 | ||
| 1079 | len = CDROM_CUE_TRACK_BYTES * (*num_tracks); | |
| 1080 | toc->num_tracks = *num_tracks; | |
| 1081 | *out_buf = (char*)calloc(1, len); | |
| 1082 | *out_len = len; | |
| 1083 | ||
| 1084 | for (i = 0; i < (data_len - 2) / 11; i++) | |
| 1085 | { | |
| 1086 | /*unsigned char session_num = buf[4 + (i * 11) + 0];*/ | |
| 1087 | unsigned char adr = (buf[4 + (i * 11) + 1] >> 4) & 0xF; | |
| 1088 | unsigned char control = buf[4 + (i * 11) + 1] & 0xF; | |
| 1089 | unsigned char tno = buf[4 + (i * 11) + 2]; | |
| 1090 | unsigned char point = buf[4 + (i * 11) + 3]; | |
| 1091 | /*unsigned char amin = buf[4 + (i * 11) + 4]; | |
| 1092 | unsigned char asec = buf[4 + (i * 11) + 5]; | |
| 1093 | unsigned char aframe = buf[4 + (i * 11) + 6];*/ | |
| 1094 | unsigned char pmin = buf[4 + (i * 11) + 8]; | |
| 1095 | unsigned char psec = buf[4 + (i * 11) + 9]; | |
| 1096 | unsigned char pframe = buf[4 + (i * 11) + 10]; | |
| 1097 | unsigned lba = cdrom_msf_to_lba(pmin, psec, pframe); | |
| 1098 | ||
| 1099 | /*printf("i %d control %d adr %d tno %d point %d: amin %d asec %d aframe %d pmin %d psec %d pframe %d\n", i, control, adr, tno, point, amin, asec, aframe, pmin, psec, pframe);*/ | |
| 1100 | /* why is control always 0? */ | |
| 1101 | ||
| 1102 | if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point >= 1 && point <= 99) | |
| 1103 | { | |
| 1104 | bool audio = false; | |
| 1105 | const char *track_type = "MODE1/2352"; | |
| 1106 | ||
| 1107 | audio = (!(control & 0x4) && !(control & 0x5)); | |
| 1108 | ||
| 1109 | #ifdef CDROM_DEBUG | |
| 1110 | printf("[CDROM] Track %02d CONTROL %01X ADR %01X AUDIO? %d\n", point, control, adr, audio); | |
| 1111 | fflush(stdout); | |
| 1112 | #endif | |
| 1113 | ||
| 1114 | toc->track[point - 1].track_num = point; | |
| 1115 | toc->track[point - 1].min = pmin; | |
| 1116 | toc->track[point - 1].sec = psec; | |
| 1117 | toc->track[point - 1].frame = pframe; | |
| 1118 | toc->track[point - 1].lba = lba; | |
| 1119 | toc->track[point - 1].audio = audio; | |
| 1120 | ||
| 1121 | cdrom_read_track_info(stream, point, toc); | |
| 1122 | ||
| 1123 | if (audio) | |
| 1124 | track_type = "AUDIO"; | |
| 1125 | else if (toc->track[point - 1].mode == 1) | |
| 1126 | track_type = "MODE1/2352"; | |
| 1127 | else if (toc->track[point - 1].mode == 2) | |
| 1128 | track_type = "MODE2/2352"; | |
| 1129 | ||
| 1130 | #if defined(_WIN32) && !defined(_XBOX) | |
| 1131 | pos += snprintf(*out_buf + pos, len - pos, "FILE \"cdrom://%c:/drive-track%02d.bin\" BINARY\n", cdrom_drive, point); | |
| 1132 | #else | |
| 1133 | pos += snprintf(*out_buf + pos, len - pos, "FILE \"cdrom://drive%c-track%02d.bin\" BINARY\n", cdrom_drive, point); | |
| 1134 | #endif | |
| 1135 | pos += snprintf(*out_buf + pos, len - pos, " TRACK %02d %s\n", point, track_type); | |
| 1136 | ||
| 1137 | { | |
| 1138 | unsigned pregap_lba_len = toc->track[point - 1].lba - toc->track[point - 1].lba_start; | |
| 1139 | ||
| 1140 | if (toc->track[point - 1].audio && pregap_lba_len > 0) | |
| 1141 | { | |
| 1142 | unsigned char min = 0; | |
| 1143 | unsigned char sec = 0; | |
| 1144 | unsigned char frame = 0; | |
| 1145 | ||
| 1146 | cdrom_lba_to_msf(pregap_lba_len, &min, &sec, &frame); | |
| 1147 | ||
| 1148 | pos += snprintf(*out_buf + pos, len - pos, " INDEX 00 00:00:00\n"); | |
| 1149 | pos += snprintf(*out_buf + pos, len - pos, " INDEX 01 %02u:%02u:%02u\n", (unsigned)min, (unsigned)sec, (unsigned)frame); | |
| 1150 | } | |
| 1151 | else | |
| 1152 | pos += snprintf(*out_buf + pos, len - pos, " INDEX 01 00:00:00\n"); | |
| 1153 | } | |
| 1154 | } | |
| 1155 | } | |
| 1156 | ||
| 1157 | return 0; | |
| 1158 | } | |
| 1159 | ||
| 1160 | /* needs 32 bytes for full vendor, product and version */ | |
| 1161 | int cdrom_get_inquiry(libretro_vfs_implementation_file *stream, char *model, int len, bool *is_cdrom) | |
| 1162 | { | |
| 1163 | /* MMC Command: INQUIRY */ | |
| 1164 | unsigned char cdb[] = {0x12, 0, 0, 0, 0xff, 0}; | |
| 1165 | unsigned char buf[256] = {0}; | |
| 1166 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 1167 | bool cdrom = false; | |
| 1168 | ||
| 1169 | if (rv) | |
| 1170 | return 1; | |
| 1171 | ||
| 1172 | if (model && len >= 32) | |
| 1173 | { | |
| 1174 | memset(model, 0, len); | |
| 1175 | ||
| 1176 | /* vendor */ | |
| 1177 | memcpy(model, buf + 8, 8); | |
| 1178 | ||
| 1179 | model[8] = ' '; | |
| 1180 | ||
| 1181 | /* product */ | |
| 1182 | memcpy(model + 9, buf + 16, 16); | |
| 1183 | ||
| 1184 | model[25] = ' '; | |
| 1185 | ||
| 1186 | /* version */ | |
| 1187 | memcpy(model + 26, buf + 32, 4); | |
| 1188 | } | |
| 1189 | ||
| 1190 | cdrom = (buf[0] == 5); | |
| 1191 | ||
| 1192 | if (is_cdrom && cdrom) | |
| 1193 | *is_cdrom = true; | |
| 1194 | ||
| 1195 | #ifdef CDROM_DEBUG | |
| 1196 | printf("[CDROM] Device Model: %s (is CD-ROM? %s)\n", model, (cdrom ? "yes" : "no")); | |
| 1197 | #endif | |
| 1198 | return 0; | |
| 1199 | } | |
| 1200 | ||
| 1201 | int cdrom_read(libretro_vfs_implementation_file *stream, cdrom_group_timeouts_t *timeouts, unsigned char min, unsigned char sec, unsigned char frame, void *s, size_t len, size_t skip) | |
| 1202 | { | |
| 1203 | /* MMC Command: READ CD MSF */ | |
| 1204 | unsigned char cdb[] = {0xB9, 0, 0, 0, 0, 0, 0, 0, 0, 0xF8, 0, 0}; | |
| 1205 | int rv; | |
| 1206 | double frames = ceil((len + skip) / 2352.0); | |
| 1207 | unsigned frame_end = cdrom_msf_to_lba(min, sec, frame) + frames; | |
| 1208 | ||
| 1209 | cdb[3] = min; | |
| 1210 | cdb[4] = sec; | |
| 1211 | cdb[5] = frame; | |
| 1212 | ||
| 1213 | if (frames <= 1) | |
| 1214 | { | |
| 1215 | cdrom_lba_to_msf(frame_end, &cdb[6], &cdb[7], &cdb[8]); | |
| 1216 | #ifdef CDROM_DEBUG | |
| 1217 | printf("[CDROM] single-frame read: %d %d %d skip %" PRId64 "\n", cdb[3], cdb[4], cdb[5], skip); | |
| 1218 | fflush(stdout); | |
| 1219 | #endif | |
| 1220 | } | |
| 1221 | else | |
| 1222 | { | |
| 1223 | cdrom_lba_to_msf(frame_end, &cdb[6], &cdb[7], &cdb[8]); | |
| 1224 | ||
| 1225 | #ifdef CDROM_DEBUG | |
| 1226 | printf("[CDROM] multi-frame read: %d sectors starting from %02d:%02d:%02d skip %" PRId64 "\n", (int)frames, cdb[3], cdb[4], cdb[5], skip); | |
| 1227 | fflush(stdout); | |
| 1228 | #endif | |
| 1229 | } | |
| 1230 | ||
| 1231 | /* regardless of the length specified here, a new buffer will be allocated and padded to a sector multiple inside cdrom_send_command */ | |
| 1232 | rv = cdrom_send_command(stream, DIRECTION_IN, s, len, cdb, sizeof(cdb), skip); | |
| 1233 | ||
| 1234 | #ifdef CDROM_DEBUG | |
| 1235 | printf("[CDROM] read msf status code %d\n", rv); | |
| 1236 | fflush(stdout); | |
| 1237 | #endif | |
| 1238 | ||
| 1239 | if (rv) | |
| 1240 | { | |
| 1241 | stream->cdrom.last_frame_valid = false; | |
| 1242 | return 1; | |
| 1243 | } | |
| 1244 | ||
| 1245 | return 0; | |
| 1246 | } | |
| 1247 | ||
| 1248 | int cdrom_stop(libretro_vfs_implementation_file *stream) | |
| 1249 | { | |
| 1250 | /* MMC Command: START STOP UNIT */ | |
| 1251 | unsigned char cdb[] = {0x1B, 0, 0, 0, 0x0, 0}; | |
| 1252 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
| 1253 | ||
| 1254 | #ifdef CDROM_DEBUG | |
| 1255 | printf("[CDROM] stop status code %d\n", rv); | |
| 1256 | fflush(stdout); | |
| 1257 | #endif | |
| 1258 | ||
| 1259 | if (rv) | |
| 1260 | return 1; | |
| 1261 | ||
| 1262 | return 0; | |
| 1263 | } | |
| 1264 | ||
| 1265 | int cdrom_unlock(libretro_vfs_implementation_file *stream) | |
| 1266 | { | |
| 1267 | /* MMC Command: PREVENT ALLOW MEDIUM REMOVAL */ | |
| 1268 | unsigned char cdb[] = {0x1E, 0, 0, 0, 0x2, 0}; | |
| 1269 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
| 1270 | ||
| 1271 | #ifdef CDROM_DEBUG | |
| 1272 | printf("[CDROM] persistent prevent clear status code %d\n", rv); | |
| 1273 | fflush(stdout); | |
| 1274 | #endif | |
| 1275 | ||
| 1276 | if (rv) | |
| 1277 | return 1; | |
| 1278 | ||
| 1279 | cdb[4] = 0x0; | |
| 1280 | ||
| 1281 | rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
| 1282 | ||
| 1283 | #ifdef CDROM_DEBUG | |
| 1284 | printf("[CDROM] prevent clear status code %d\n", rv); | |
| 1285 | fflush(stdout); | |
| 1286 | #endif | |
| 1287 | ||
| 1288 | if (rv) | |
| 1289 | return 1; | |
| 1290 | ||
| 1291 | return 0; | |
| 1292 | } | |
| 1293 | ||
| 1294 | int cdrom_open_tray(libretro_vfs_implementation_file *stream) | |
| 1295 | { | |
| 1296 | /* MMC Command: START STOP UNIT */ | |
| 1297 | unsigned char cdb[] = {0x1B, 0, 0, 0, 0x2, 0}; | |
| 1298 | int rv; | |
| 1299 | ||
| 1300 | cdrom_unlock(stream); | |
| 1301 | cdrom_stop(stream); | |
| 1302 | ||
| 1303 | rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
| 1304 | ||
| 1305 | #ifdef CDROM_DEBUG | |
| 1306 | printf("[CDROM] open tray status code %d\n", rv); | |
| 1307 | fflush(stdout); | |
| 1308 | #endif | |
| 1309 | ||
| 1310 | if (rv) | |
| 1311 | return 1; | |
| 1312 | ||
| 1313 | return 0; | |
| 1314 | } | |
| 1315 | ||
| 1316 | int cdrom_close_tray(libretro_vfs_implementation_file *stream) | |
| 1317 | { | |
| 1318 | /* MMC Command: START STOP UNIT */ | |
| 1319 | unsigned char cdb[] = {0x1B, 0, 0, 0, 0x3, 0}; | |
| 1320 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
| 1321 | ||
| 1322 | #ifdef CDROM_DEBUG | |
| 1323 | printf("[CDROM] close tray status code %d\n", rv); | |
| 1324 | fflush(stdout); | |
| 1325 | #endif | |
| 1326 | ||
| 1327 | if (rv) | |
| 1328 | return 1; | |
| 1329 | ||
| 1330 | return 0; | |
| 1331 | } | |
| 1332 | ||
| 1333 | struct string_list* cdrom_get_available_drives(void) | |
| 1334 | { | |
| 1335 | struct string_list *list = string_list_new(); | |
| 1336 | #if defined(__linux__) && !defined(ANDROID) | |
| 1337 | struct string_list *dir_list = dir_list_new("/dev", NULL, false, false, false, false); | |
| 1338 | int i; | |
| 1339 | bool found = false; | |
| 1340 | ||
| 1341 | if (!dir_list) | |
| 1342 | return list; | |
| 1343 | ||
| 1344 | for (i = 0; i < (int)dir_list->size; i++) | |
| 1345 | { | |
| 1346 | if (string_starts_with_size(dir_list->elems[i].data, "/dev/sg", | |
| 1347 | STRLEN_CONST("/dev/sg"))) | |
| 1348 | { | |
| 1349 | libretro_vfs_implementation_file *stream; | |
| 1350 | char drive_model[32] = {0}; | |
| 1351 | char drive_string[33] = {0}; | |
| 1352 | union string_list_elem_attr attr = {0}; | |
| 1353 | int dev_index = 0; | |
| 1354 | RFILE *file = filestream_open( | |
| 1355 | dir_list->elems[i].data, RETRO_VFS_FILE_ACCESS_READ, 0); | |
| 1356 | bool is_cdrom = false; | |
| 1357 | ||
| 1358 | found = true; | |
| 1359 | ||
| 1360 | if (!file) | |
| 1361 | { | |
| 1362 | #ifdef CDROM_DEBUG | |
| 1363 | printf("[CDROM] Could not open %s, please check permissions.\n", dir_list->elems[i].data); | |
| 1364 | fflush(stdout); | |
| 1365 | #endif | |
| 1366 | continue; | |
| 1367 | } | |
| 1368 | ||
| 1369 | stream = filestream_get_vfs_handle(file); | |
| 1370 | cdrom_get_inquiry(stream, drive_model, sizeof(drive_model), &is_cdrom); | |
| 1371 | filestream_close(file); | |
| 1372 | ||
| 1373 | if (!is_cdrom) | |
| 1374 | continue; | |
| 1375 | ||
| 1376 | sscanf(dir_list->elems[i].data + STRLEN_CONST("/dev/sg"), | |
| 1377 | "%d", &dev_index); | |
| 1378 | ||
| 1379 | dev_index = '0' + dev_index; | |
| 1380 | attr.i = dev_index; | |
| 1381 | ||
| 1382 | if (!string_is_empty(drive_model)) | |
| 1383 | strlcat(drive_string, drive_model, sizeof(drive_string)); | |
| 1384 | else | |
| 1385 | strlcat(drive_string, "Unknown Drive", sizeof(drive_string)); | |
| 1386 | ||
| 1387 | string_list_append(list, drive_string, attr); | |
| 1388 | } | |
| 1389 | } | |
| 1390 | ||
| 1391 | if (!found) | |
| 1392 | { | |
| 1393 | char *buf = NULL; | |
| 1394 | int64_t len = 0; | |
| 1395 | ||
| 1396 | if (filestream_read_file("/proc/modules", (void**)&buf, &len)) | |
| 1397 | { | |
| 1398 | #ifdef CDROM_DEBUG | |
| 1399 | bool found = false; | |
| 1400 | #endif | |
| 1401 | struct string_list mods = {0}; | |
| 1402 | ||
| 1403 | string_list_initialize(&mods); | |
| 1404 | ||
| 1405 | if (string_split_noalloc(&mods, buf, "\n")) | |
| 1406 | { | |
| 1407 | for (i = 0; i < (int)mods.size; i++) | |
| 1408 | { | |
| 1409 | if (strcasestr(mods.elems[i].data, "sg ")) | |
| 1410 | { | |
| 1411 | #ifdef CDROM_DEBUG | |
| 1412 | found = true; | |
| 1413 | #endif | |
| 1414 | break; | |
| 1415 | } | |
| 1416 | } | |
| 1417 | } | |
| 1418 | string_list_deinitialize(&mods); | |
| 1419 | free(buf); | |
| 1420 | ||
| 1421 | #ifdef CDROM_DEBUG | |
| 1422 | if (found) | |
| 1423 | { | |
| 1424 | printf("[CDROM] No sg devices found but kernel module is loaded.\n"); | |
| 1425 | fflush(stdout); | |
| 1426 | } | |
| 1427 | else | |
| 1428 | { | |
| 1429 | printf("[CDROM] No sg devices found and sg kernel module is not loaded.\n"); | |
| 1430 | fflush(stdout); | |
| 1431 | } | |
| 1432 | #endif | |
| 1433 | } | |
| 1434 | #ifdef CDROM_DEBUG | |
| 1435 | else | |
| 1436 | { | |
| 1437 | printf("[CDROM] No sg devices found, could not check if sg kernel module is loaded.\n"); | |
| 1438 | fflush(stdout); | |
| 1439 | } | |
| 1440 | #endif | |
| 1441 | } | |
| 1442 | ||
| 1443 | string_list_free(dir_list); | |
| 1444 | #endif | |
| 1445 | #if defined(_WIN32) && !defined(_XBOX) | |
| 1446 | DWORD drive_mask = GetLogicalDrives(); | |
| 1447 | int i; | |
| 1448 | ||
| 1449 | for (i = 0; i < (int)(sizeof(DWORD) * 8); i++) | |
| 1450 | { | |
| 1451 | char path[] = {"a:\\"}; | |
| 1452 | char cdrom_path[] = {"cdrom://a:/drive-track01.bin"}; | |
| 1453 | ||
| 1454 | path[0] += i; | |
| 1455 | cdrom_path[8] += i; | |
| 1456 | ||
| 1457 | /* this drive letter doesn't exist */ | |
| 1458 | if (!(drive_mask & (1 << i))) | |
| 1459 | continue; | |
| 1460 | ||
| 1461 | if (GetDriveType(path) != DRIVE_CDROM) | |
| 1462 | continue; | |
| 1463 | ||
| 1464 | { | |
| 1465 | libretro_vfs_implementation_file *stream; | |
| 1466 | bool is_cdrom = false; | |
| 1467 | char drive_model[32] = {0}; | |
| 1468 | char drive_string[33] = {0}; | |
| 1469 | union string_list_elem_attr attr = {0}; | |
| 1470 | RFILE *file = filestream_open(cdrom_path, RETRO_VFS_FILE_ACCESS_READ, 0); | |
| 1471 | if (!file) | |
| 1472 | continue; | |
| 1473 | ||
| 1474 | stream = filestream_get_vfs_handle(file); | |
| 1475 | cdrom_get_inquiry(stream, drive_model, sizeof(drive_model), &is_cdrom); | |
| 1476 | filestream_close(file); | |
| 1477 | ||
| 1478 | if (!is_cdrom) | |
| 1479 | continue; | |
| 1480 | ||
| 1481 | attr.i = path[0]; | |
| 1482 | ||
| 1483 | if (!string_is_empty(drive_model)) | |
| 1484 | strlcat(drive_string, drive_model, sizeof(drive_string)); | |
| 1485 | else | |
| 1486 | strlcat(drive_string, "Unknown Drive", sizeof(drive_string)); | |
| 1487 | ||
| 1488 | string_list_append(list, drive_string, attr); | |
| 1489 | } | |
| 1490 | } | |
| 1491 | #endif | |
| 1492 | return list; | |
| 1493 | } | |
| 1494 | ||
| 1495 | bool cdrom_is_media_inserted(libretro_vfs_implementation_file *stream) | |
| 1496 | { | |
| 1497 | /* MMC Command: TEST UNIT READY */ | |
| 1498 | unsigned char cdb[] = {0x00, 0, 0, 0, 0, 0}; | |
| 1499 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
| 1500 | ||
| 1501 | #ifdef CDROM_DEBUG | |
| 1502 | printf("[CDROM] media inserted status code %d\n", rv); | |
| 1503 | fflush(stdout); | |
| 1504 | #endif | |
| 1505 | ||
| 1506 | /* Will also return false if the drive is simply not ready yet (tray open, disc spinning back up after tray closed etc). | |
| 1507 | * Command will not block or wait for media to become ready. */ | |
| 1508 | if (rv) | |
| 1509 | return false; | |
| 1510 | ||
| 1511 | return true; | |
| 1512 | } | |
| 1513 | ||
| 1514 | bool cdrom_drive_has_media(const char drive) | |
| 1515 | { | |
| 1516 | RFILE *file; | |
| 1517 | char cdrom_path_bin[256] = {0}; | |
| 1518 | ||
| 1519 | cdrom_device_fillpath(cdrom_path_bin, sizeof(cdrom_path_bin), drive, 1, false); | |
| 1520 | ||
| 1521 | file = filestream_open(cdrom_path_bin, RETRO_VFS_FILE_ACCESS_READ, 0); | |
| 1522 | ||
| 1523 | if (file) | |
| 1524 | { | |
| 1525 | libretro_vfs_implementation_file *stream = filestream_get_vfs_handle(file); | |
| 1526 | bool has_media = cdrom_is_media_inserted(stream); | |
| 1527 | ||
| 1528 | filestream_close(file); | |
| 1529 | ||
| 1530 | return has_media; | |
| 1531 | } | |
| 1532 | ||
| 1533 | return false; | |
| 1534 | } | |
| 1535 | ||
| 1536 | bool cdrom_set_read_cache(libretro_vfs_implementation_file *stream, bool enabled) | |
| 1537 | { | |
| 1538 | int i; | |
| 1539 | /* MMC Command: MODE SENSE (10) and MODE SELECT (10) */ | |
| 1540 | unsigned char cdb_sense_changeable[] = {0x5A, 0, 0x48, 0, 0, 0, 0, 0, 0x14, 0}; | |
| 1541 | unsigned char cdb_sense[] = {0x5A, 0, 0x8, 0, 0, 0, 0, 0, 0x14, 0}; | |
| 1542 | unsigned char cdb_select[] = {0x55, 0x10, 0, 0, 0, 0, 0, 0, 0x14, 0}; | |
| 1543 | unsigned char buf[20] = {0}; | |
| 1544 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), | |
| 1545 | cdb_sense_changeable, sizeof(cdb_sense_changeable), 0); | |
| 1546 | ||
| 1547 | #ifdef CDROM_DEBUG | |
| 1548 | printf("[CDROM] mode sense changeable status code %d\n", rv); | |
| 1549 | fflush(stdout); | |
| 1550 | #endif | |
| 1551 | ||
| 1552 | if (rv) | |
| 1553 | return false; | |
| 1554 | ||
| 1555 | if (!(buf[10] & 0x1)) | |
| 1556 | { | |
| 1557 | /* RCD (read cache disable) bit is not changeable */ | |
| 1558 | #ifdef CDROM_DEBUG | |
| 1559 | printf("[CDROM] RCD (read cache disable) bit is not changeable.\n"); | |
| 1560 | fflush(stdout); | |
| 1561 | #endif | |
| 1562 | return false; | |
| 1563 | } | |
| 1564 | ||
| 1565 | memset(buf, 0, sizeof(buf)); | |
| 1566 | ||
| 1567 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb_sense, sizeof(cdb_sense), 0); | |
| 1568 | ||
| 1569 | #ifdef CDROM_DEBUG | |
| 1570 | printf("mode sense status code %d\n", rv); | |
| 1571 | fflush(stdout); | |
| 1572 | #endif | |
| 1573 | ||
| 1574 | if (rv) | |
| 1575 | return false; | |
| 1576 | ||
| 1577 | #ifdef CDROM_DEBUG | |
| 1578 | printf("Mode sense data for caching mode page: "); | |
| 1579 | ||
| 1580 | for (i = 0; i < (int)sizeof(buf); i++) | |
| 1581 | printf("%02X ", buf[i]); | |
| 1582 | ||
| 1583 | printf("\n"); | |
| 1584 | fflush(stdout); | |
| 1585 | #endif | |
| 1586 | ||
| 1587 | /* "When transferred during execution of the MODE SELECT (10) command, Mode Data Length is reserved." */ | |
| 1588 | for (i = 0; i < 8; i++) | |
| 1589 | buf[i] = 0; | |
| 1590 | ||
| 1591 | if (enabled) | |
| 1592 | buf[10] &= ~1; | |
| 1593 | else | |
| 1594 | buf[10] |= 1; | |
| 1595 | ||
| 1596 | rv = cdrom_send_command(stream, DIRECTION_OUT, buf, sizeof(buf), cdb_select, sizeof(cdb_select), 0); | |
| 1597 | ||
| 1598 | #ifdef CDROM_DEBUG | |
| 1599 | printf("mode select status code %d\n", rv); | |
| 1600 | fflush(stdout); | |
| 1601 | #endif | |
| 1602 | ||
| 1603 | if (rv) | |
| 1604 | return false; | |
| 1605 | ||
| 1606 | return true; | |
| 1607 | } | |
| 1608 | ||
| 1609 | bool cdrom_get_timeouts(libretro_vfs_implementation_file *stream, cdrom_group_timeouts_t *timeouts) | |
| 1610 | { | |
| 1611 | /* MMC Command: MODE SENSE (10) */ | |
| 1612 | int rv; | |
| 1613 | unsigned char cdb[] = {0x5A, 0, 0x1D, 0, 0, 0, 0, 0, 0x14, 0}; | |
| 1614 | unsigned char buf[20] = {0}; | |
| 1615 | unsigned short g1 = 0; | |
| 1616 | unsigned short g2 = 0; | |
| 1617 | unsigned short g3 = 0; | |
| 1618 | ||
| 1619 | if (!timeouts) | |
| 1620 | return false; | |
| 1621 | ||
| 1622 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 1623 | ||
| 1624 | #ifdef CDROM_DEBUG | |
| 1625 | printf("get timeouts status code %d\n", rv); | |
| 1626 | fflush(stdout); | |
| 1627 | #endif | |
| 1628 | ||
| 1629 | if (rv) | |
| 1630 | return false; | |
| 1631 | ||
| 1632 | g1 = buf[14] << 8 | buf[15]; | |
| 1633 | g2 = buf[16] << 8 | buf[17]; | |
| 1634 | g3 = buf[18] << 8 | buf[19]; | |
| 1635 | ||
| 1636 | #ifdef CDROM_DEBUG | |
| 1637 | { | |
| 1638 | int i; | |
| 1639 | ||
| 1640 | printf("Mode sense data for timeout groups: "); | |
| 1641 | ||
| 1642 | for (i = 0; i < (int)sizeof(buf); i++) | |
| 1643 | printf("%02X ", buf[i]); | |
| 1644 | ||
| 1645 | printf("\n"); | |
| 1646 | ||
| 1647 | printf("Group 1 Timeout: %d\n", g1); | |
| 1648 | printf("Group 2 Timeout: %d\n", g2); | |
| 1649 | printf("Group 3 Timeout: %d\n", g3); | |
| 1650 | ||
| 1651 | fflush(stdout); | |
| 1652 | } | |
| 1653 | #endif | |
| 1654 | ||
| 1655 | timeouts->g1_timeout = g1; | |
| 1656 | timeouts->g2_timeout = g2; | |
| 1657 | timeouts->g3_timeout = g3; | |
| 1658 | ||
| 1659 | return true; | |
| 1660 | } | |
| 1661 | ||
| 1662 | bool cdrom_has_atip(libretro_vfs_implementation_file *stream) | |
| 1663 | { | |
| 1664 | /* MMC Command: READ TOC/PMA/ATIP */ | |
| 1665 | unsigned char cdb[] = {0x43, 0x2, 0x4, 0, 0, 0, 0, 0x9, 0x30, 0}; | |
| 1666 | unsigned char buf[32] = {0}; | |
| 1667 | unsigned short atip_len = 0; | |
| 1668 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
| 1669 | ||
| 1670 | if (rv) | |
| 1671 | return false; | |
| 1672 | ||
| 1673 | atip_len = buf[0] << 8 | buf[1]; | |
| 1674 | ||
| 1675 | #ifdef CDROM_DEBUG | |
| 1676 | printf("ATIP Length %d, Disc Type %d, Disc Sub-Type %d\n", | |
| 1677 | atip_len, | |
| 1678 | (buf[6] >> 6) & 0x1, | |
| 1679 | ((buf[6] >> 5) & 0x1) << 2 | ((buf[6] >> 4) & 0x1) << 1 | ((buf[6] >> 3) & 0x1) << 0); | |
| 1680 | #endif | |
| 1681 | ||
| 1682 | if (atip_len < 5) | |
| 1683 | return false; | |
| 1684 | ||
| 1685 | return true; | |
| 1686 | } | |
| 1687 | ||
| 1688 | void cdrom_device_fillpath(char *path, size_t len, char drive, unsigned char track, bool is_cue) | |
| 1689 | { | |
| 1690 | if (!path || len == 0) | |
| 1691 | return; | |
| 1692 | if (is_cue) | |
| 1693 | { | |
| 1694 | #ifdef _WIN32 | |
| 1695 | size_t pos = strlcpy(path, "cdrom://", len); | |
| 1696 | if (len > pos) | |
| 1697 | path[pos++] = drive; | |
| 1698 | pos = strlcat(path, ":/drive.cue", len); | |
| 1699 | #else | |
| 1700 | #ifdef __linux__ | |
| 1701 | size_t pos = strlcpy(path, "cdrom://drive", len); | |
| 1702 | if (len > pos + 1) | |
| 1703 | { | |
| 1704 | path[pos++] = drive; | |
| 1705 | path[pos] = '\0'; | |
| 1706 | } | |
| 1707 | pos = strlcat(path, ".cue", len); | |
| 1708 | #endif | |
| 1709 | #endif | |
| 1710 | } | |
| 1711 | else | |
| 1712 | { | |
| 1713 | #ifdef _WIN32 | |
| 1714 | size_t pos = strlcpy(path, "cdrom://", len); | |
| 1715 | if (len > pos + 1) | |
| 1716 | { | |
| 1717 | path[pos++] = drive; | |
| 1718 | path[pos] = '\0'; | |
| 1719 | } | |
| 1720 | pos += snprintf(path + pos, len - pos, ":/drive-track%02d.bin", track); | |
| 1721 | #else | |
| 1722 | #ifdef __linux__ | |
| 1723 | size_t pos = strlcpy(path, "cdrom://drive", len); | |
| 1724 | if (len > pos) | |
| 1725 | path[pos++] = drive; | |
| 1726 | pos += snprintf(path + pos, len - pos, "-track%02d.bin", track); | |
| 1727 | #endif | |
| 1728 | #endif | |
| 1729 | } | |
| 1730 | } |