1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * bebob.c - a part of driver for BeBoB based devices 4 * 5 * Copyright (c) 2013-2014 Takashi Sakamoto 6 */ 7 8 /* 9 * BeBoB is 'BridgeCo enhanced Breakout Box'. This is installed to firewire 10 * devices with DM1000/DM1100/DM1500 chipset. It gives common way for host 11 * system to handle BeBoB based devices. 12 */ 13 14 #include "bebob.h" 15 16 MODULE_DESCRIPTION("BridgeCo BeBoB driver"); 17 MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>"); 18 MODULE_LICENSE("GPL"); 19 20 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 21 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 22 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 23 24 module_param_array(index, int, NULL, 0444); 25 MODULE_PARM_DESC(index, "card index"); 26 module_param_array(id, charp, NULL, 0444); 27 MODULE_PARM_DESC(id, "ID string"); 28 module_param_array(enable, bool, NULL, 0444); 29 MODULE_PARM_DESC(enable, "enable BeBoB sound card"); 30 31 static DEFINE_MUTEX(devices_mutex); 32 static DECLARE_BITMAP(devices_used, SNDRV_CARDS); 33 34 /* Offsets from information register. */ 35 #define INFO_OFFSET_BEBOB_VERSION 0x08 36 #define INFO_OFFSET_GUID 0x10 37 #define INFO_OFFSET_HW_MODEL_ID 0x18 38 #define INFO_OFFSET_HW_MODEL_REVISION 0x1c 39 40 #define VEN_EDIROL 0x000040ab 41 #define VEN_PRESONUS 0x00000a92 42 #define VEN_BRIDGECO 0x000007f5 43 #define VEN_MACKIE 0x00000ff2 44 #define VEN_STANTON 0x00001260 45 #define VEN_TASCAM 0x0000022e 46 #define VEN_BEHRINGER 0x00001564 47 #define VEN_APOGEE 0x000003db 48 #define VEN_ESI 0x00000f1b 49 #define VEN_CME 0x0000000a 50 #define VEN_PHONIC 0x00001496 51 #define VEN_LYNX 0x000019e5 52 #define VEN_ICON 0x00001a9e 53 #define VEN_PRISMSOUND 0x00001198 54 #define VEN_TERRATEC 0x00000aac 55 #define VEN_YAMAHA 0x0000a0de 56 #define VEN_FOCUSRITE 0x0000130e 57 #define VEN_MAUDIO 0x00000d6c 58 #define VEN_DIGIDESIGN 0x00a07e 59 #define OUI_SHOUYO 0x002327 60 61 #define MODEL_FOCUSRITE_SAFFIRE_BOTH 0x00000000 62 #define MODEL_MAUDIO_AUDIOPHILE_BOTH 0x00010060 63 #define MODEL_MAUDIO_FW1814 0x00010071 64 #define MODEL_MAUDIO_PROJECTMIX 0x00010091 65 #define MODEL_MAUDIO_PROFIRELIGHTBRIDGE 0x000100a1 66 67 static int 68 name_device(struct snd_bebob *bebob) 69 { 70 struct fw_device *fw_dev = fw_parent_device(bebob->unit); 71 char vendor[24] = {0}; 72 char model[32] = {0}; 73 u32 hw_id; 74 u32 data[2] = {0}; 75 u32 revision; 76 int err; 77 78 /* get vendor name from root directory */ 79 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR, 80 vendor, sizeof(vendor)); 81 if (err < 0) 82 goto end; 83 84 /* get model name from unit directory */ 85 err = fw_csr_string(bebob->unit->directory, CSR_MODEL, 86 model, sizeof(model)); 87 if (err < 0) 88 goto end; 89 90 /* get hardware id */ 91 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_ID, 92 &hw_id); 93 if (err < 0) 94 goto end; 95 96 /* get hardware revision */ 97 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_REVISION, 98 &revision); 99 if (err < 0) 100 goto end; 101 102 /* get GUID */ 103 err = snd_bebob_read_block(bebob->unit, INFO_OFFSET_GUID, 104 data, sizeof(data)); 105 if (err < 0) 106 goto end; 107 108 strscpy(bebob->card->driver, "BeBoB"); 109 strscpy(bebob->card->shortname, model); 110 strscpy(bebob->card->mixername, model); 111 snprintf(bebob->card->longname, sizeof(bebob->card->longname), 112 "%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d", 113 vendor, model, hw_id, revision, 114 data[0], data[1], dev_name(&bebob->unit->device), 115 100 << fw_dev->max_speed); 116 end: 117 return err; 118 } 119 120 static void 121 bebob_card_free(struct snd_card *card) 122 { 123 struct snd_bebob *bebob = card->private_data; 124 125 scoped_guard(mutex, &devices_mutex) { 126 clear_bit(bebob->card_index, devices_used); 127 } 128 129 snd_bebob_stream_destroy_duplex(bebob); 130 131 mutex_destroy(&bebob->mutex); 132 fw_unit_put(bebob->unit); 133 } 134 135 static const struct snd_bebob_spec * 136 get_saffire_spec(struct fw_unit *unit) 137 { 138 char name[24] = {0}; 139 140 if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) 141 return NULL; 142 143 if (strcmp(name, "SaffireLE") == 0) 144 return &saffire_le_spec; 145 else 146 return &saffire_spec; 147 } 148 149 static bool 150 check_audiophile_booted(struct fw_unit *unit) 151 { 152 char name[28] = {0}; 153 154 if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) 155 return false; 156 157 return strncmp(name, "FW Audiophile Bootloader", 24) != 0; 158 } 159 160 static int detect_quirks(struct snd_bebob *bebob, const struct ieee1394_device_id *entry) 161 { 162 if (entry->vendor_id == VEN_MAUDIO) { 163 switch (entry->model_id) { 164 case MODEL_MAUDIO_PROFIRELIGHTBRIDGE: 165 // M-Audio ProFire Lightbridge has a quirk to transfer packets with 166 // discontinuous cycle or data block counter in early stage of packet 167 // streaming. The cycle span from the first packet with event is variable. 168 bebob->quirks |= SND_BEBOB_QUIRK_INITIAL_DISCONTINUOUS_DBC; 169 break; 170 case MODEL_MAUDIO_FW1814: 171 case MODEL_MAUDIO_PROJECTMIX: 172 // At high sampling rate, M-Audio special firmware transmits empty packet 173 // with the value of dbc incremented by 8. 174 bebob->quirks |= SND_BEBOB_QUIRK_WRONG_DBC; 175 break; 176 default: 177 break; 178 } 179 } 180 181 return 0; 182 } 183 184 static int bebob_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry) 185 { 186 unsigned int card_index; 187 struct snd_card *card; 188 struct snd_bebob *bebob; 189 const struct snd_bebob_spec *spec; 190 int err; 191 192 if (entry->vendor_id == VEN_FOCUSRITE && 193 entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH) 194 spec = get_saffire_spec(unit); 195 else if (entry->vendor_id == VEN_MAUDIO && 196 entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH && 197 !check_audiophile_booted(unit)) 198 spec = NULL; 199 else 200 spec = (const struct snd_bebob_spec *)entry->driver_data; 201 202 if (spec == NULL) { 203 // To boot up M-Audio models. 204 if (entry->vendor_id == VEN_MAUDIO || entry->vendor_id == VEN_BRIDGECO) 205 return snd_bebob_maudio_load_firmware(unit); 206 else 207 return -ENODEV; 208 } 209 210 scoped_guard(mutex, &devices_mutex) { 211 for (card_index = 0; card_index < SNDRV_CARDS; card_index++) { 212 if (!test_bit(card_index, devices_used) && enable[card_index]) 213 break; 214 } 215 if (card_index >= SNDRV_CARDS) 216 return -ENOENT; 217 218 err = snd_card_new(&unit->device, index[card_index], id[card_index], THIS_MODULE, 219 sizeof(*bebob), &card); 220 if (err < 0) 221 return err; 222 card->private_free = bebob_card_free; 223 set_bit(card_index, devices_used); 224 } 225 226 bebob = card->private_data; 227 bebob->unit = fw_unit_get(unit); 228 dev_set_drvdata(&unit->device, bebob); 229 bebob->card = card; 230 bebob->card_index = card_index; 231 232 bebob->spec = spec; 233 mutex_init(&bebob->mutex); 234 spin_lock_init(&bebob->lock); 235 init_waitqueue_head(&bebob->hwdep_wait); 236 237 err = name_device(bebob); 238 if (err < 0) 239 goto error; 240 241 err = detect_quirks(bebob, entry); 242 if (err < 0) 243 goto error; 244 245 if (bebob->spec == &maudio_special_spec) { 246 if (entry->model_id == MODEL_MAUDIO_FW1814) 247 err = snd_bebob_maudio_special_discover(bebob, true); 248 else 249 err = snd_bebob_maudio_special_discover(bebob, false); 250 } else { 251 err = snd_bebob_stream_discover(bebob); 252 } 253 if (err < 0) 254 goto error; 255 256 err = snd_bebob_stream_init_duplex(bebob); 257 if (err < 0) 258 goto error; 259 260 snd_bebob_proc_init(bebob); 261 262 if (bebob->midi_input_ports > 0 || bebob->midi_output_ports > 0) { 263 err = snd_bebob_create_midi_devices(bebob); 264 if (err < 0) 265 goto error; 266 } 267 268 err = snd_bebob_create_pcm_devices(bebob); 269 if (err < 0) 270 goto error; 271 272 err = snd_bebob_create_hwdep_device(bebob); 273 if (err < 0) 274 goto error; 275 276 err = snd_card_register(card); 277 if (err < 0) 278 goto error; 279 280 if (entry->vendor_id == VEN_MAUDIO && 281 (entry->model_id == MODEL_MAUDIO_FW1814 || entry->model_id == MODEL_MAUDIO_PROJECTMIX)) { 282 // This is a workaround. This bus reset seems to have an effect to make devices 283 // correctly handling transactions. Without this, the devices have gap_count 284 // mismatch. This causes much failure of transaction. 285 // 286 // Just after registration, user-land application receive signals from dbus and 287 // starts I/Os. To avoid I/Os till the future bus reset, registration is done in 288 // next update(). 289 fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card, false, true); 290 } 291 292 return 0; 293 error: 294 snd_card_free(card); 295 return err; 296 } 297 298 /* 299 * This driver doesn't update streams in bus reset handler. 300 * 301 * DM1000/ DM1100/DM1500 chipsets with BeBoB firmware transfer packets with 302 * discontinued counter at bus reset. This discontinuity is immediately 303 * detected in packet streaming layer, then it sets XRUN to PCM substream. 304 * 305 * ALSA PCM applications can know the XRUN by getting -EPIPE from PCM operation. 306 * Then, they can recover the PCM substream by executing ioctl(2) with 307 * SNDRV_PCM_IOCTL_PREPARE. 'struct snd_pcm_ops.prepare' is called and drivers 308 * restart packet streaming. 309 * 310 * The above processing may be executed before this bus-reset handler is 311 * executed. When this handler updates streams with current isochronous 312 * channels, the streams already have the current ones. 313 */ 314 static void 315 bebob_update(struct fw_unit *unit) 316 { 317 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 318 319 if (bebob == NULL) 320 return; 321 322 fcp_bus_reset(bebob->unit); 323 } 324 325 static void bebob_remove(struct fw_unit *unit) 326 { 327 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 328 329 if (bebob == NULL) 330 return; 331 332 // Block till all of ALSA character devices are released. 333 snd_card_free(bebob->card); 334 } 335 336 static const struct snd_bebob_rate_spec normal_rate_spec = { 337 .get = &snd_bebob_stream_get_rate, 338 .set = &snd_bebob_stream_set_rate 339 }; 340 static const struct snd_bebob_spec spec_normal = { 341 .clock = NULL, 342 .rate = &normal_rate_spec, 343 .meter = NULL 344 }; 345 346 #define SPECIFIER_1394TA 0x00a02d 347 348 // The immediate entry for version in unit directory differs depending on models: 349 // * 0x010001 350 // * 0x014001 351 #define SND_BEBOB_DEV_ENTRY(vendor, model, data) \ 352 { \ 353 .match_flags = IEEE1394_MATCH_VENDOR_ID | \ 354 IEEE1394_MATCH_MODEL_ID | \ 355 IEEE1394_MATCH_SPECIFIER_ID, \ 356 .vendor_id = vendor, \ 357 .model_id = model, \ 358 .specifier_id = SPECIFIER_1394TA, \ 359 .driver_data = (kernel_ulong_t)data \ 360 } 361 362 static const struct ieee1394_device_id bebob_id_table[] = { 363 /* Edirol, FA-66 */ 364 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal), 365 /* Edirol, FA-101 */ 366 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal), 367 /* Presonus, FIREBOX */ 368 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal), 369 /* PreSonus, FIREPOD/FP10 */ 370 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal), 371 /* PreSonus, Inspire1394 */ 372 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal), 373 /* BridgeCo, RDAudio1 */ 374 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal), 375 /* BridgeCo, Audio5 */ 376 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), 377 /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ 378 SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010065, &spec_normal), 379 // Mackie, d.2 (optional Firewire card with DM1000). 380 SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010067, &spec_normal), 381 /* Stanton, ScratchAmp */ 382 SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), 383 /* Tascam, IF-FW DM */ 384 SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal), 385 /* Behringer, XENIX UFX 1204 */ 386 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal), 387 /* Behringer, XENIX UFX 1604 */ 388 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal), 389 /* Behringer, Digital Mixer X32 series (X-UF Card) */ 390 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal), 391 /* Behringer, F-Control Audio 1616 */ 392 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal), 393 /* Behringer, F-Control Audio 610 */ 394 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal), 395 /* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */ 396 /* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */ 397 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal), 398 /* Apogee Electronics, Ensemble */ 399 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x01eeee, &spec_normal), 400 /* ESI, Quatafire610 */ 401 SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal), 402 /* CME, MatrixKFW */ 403 SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal), 404 // Phonic Helix Board 12 FireWire MkII. 405 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal), 406 // Phonic Helix Board 18 FireWire MkII. 407 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal), 408 // Phonic Helix Board 24 FireWire MkII. 409 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal), 410 // Phonic FireFly 808 FireWire. 411 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00080000, &spec_normal), 412 // Phonic FireFly 202, 302, 808 Universal. 413 // Phinic Helix Board 12/18/24 FireWire, 12/18/24 Universal 414 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal), 415 /* Lynx, Aurora 8/16 (LT-FW) */ 416 SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal), 417 /* ICON, FireXon */ 418 SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal), 419 /* PrismSound, Orpheus */ 420 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal), 421 /* PrismSound, ADA-8XR */ 422 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal), 423 /* TerraTec Electronic GmbH, PHASE 88 Rack FW */ 424 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec), 425 /* TerraTec Electronic GmbH, PHASE 24 FW */ 426 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &yamaha_terratec_spec), 427 /* TerraTec Electronic GmbH, Phase X24 FW */ 428 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &yamaha_terratec_spec), 429 /* TerraTec Electronic GmbH, EWS MIC2/MIC8 */ 430 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal), 431 // Terratec Electronic GmbH, Aureon 7.1 Firewire. 432 // AcousticReality, eAR Master One, Eroica, Figaro, and Ciaccona. Perhaps Terratec OEM. 433 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal), 434 /* Yamaha, GO44 */ 435 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_terratec_spec), 436 /* YAMAHA, GO46 */ 437 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_terratec_spec), 438 /* Focusrite, SaffirePro 26 I/O */ 439 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec), 440 /* Focusrite, SaffirePro 10 I/O */ 441 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x000006, &saffirepro_10_spec), 442 /* Focusrite, Saffire(no label and LE) */ 443 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH, 444 &saffire_spec), 445 // M-Audio, Firewire 410. The vendor field is left as BridgeCo. AG. 446 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010058, NULL), 447 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010046, &maudio_fw410_spec), 448 /* M-Audio, Firewire Audiophile */ 449 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_AUDIOPHILE_BOTH, 450 &maudio_audiophile_spec), 451 /* M-Audio, Firewire Solo */ 452 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x00010062, &maudio_solo_spec), 453 /* M-Audio, Ozonic */ 454 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x0000000a, &maudio_ozonic_spec), 455 /* M-Audio NRV10 */ 456 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x00010081, &maudio_nrv10_spec), 457 /* M-Audio, ProFireLightbridge */ 458 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_PROFIRELIGHTBRIDGE, &spec_normal), 459 /* Firewire 1814 */ 460 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x00010070, NULL), /* bootloader */ 461 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_FW1814, 462 &maudio_special_spec), 463 /* M-Audio ProjectMix */ 464 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_PROJECTMIX, 465 &maudio_special_spec), 466 /* Digidesign Mbox 2 Pro */ 467 SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal), 468 // Toneweal FW66. 469 SND_BEBOB_DEV_ENTRY(OUI_SHOUYO, 0x020002, &spec_normal), 470 /* IDs are unknown but able to be supported */ 471 /* Apogee, Mini-ME Firewire */ 472 /* Apogee, Mini-DAC Firewire */ 473 /* Cakawalk, Sonar Power Studio 66 */ 474 /* CME, UF400e */ 475 /* ESI, Quotafire XL */ 476 /* Infrasonic, DewX */ 477 /* Infrasonic, Windy6 */ 478 /* Mackie, Digital X Bus x.200 */ 479 /* Mackie, Digital X Bus x.400 */ 480 /* Rolf Spuler, Firewire Guitar */ 481 {} 482 }; 483 MODULE_DEVICE_TABLE(ieee1394, bebob_id_table); 484 485 static struct fw_driver bebob_driver = { 486 .driver = { 487 .owner = THIS_MODULE, 488 .name = KBUILD_MODNAME, 489 .bus = &fw_bus_type, 490 }, 491 .probe = bebob_probe, 492 .update = bebob_update, 493 .remove = bebob_remove, 494 .id_table = bebob_id_table, 495 }; 496 497 static int __init 498 snd_bebob_init(void) 499 { 500 return driver_register(&bebob_driver.driver); 501 } 502 503 static void __exit 504 snd_bebob_exit(void) 505 { 506 driver_unregister(&bebob_driver.driver); 507 } 508 509 module_init(snd_bebob_init); 510 module_exit(snd_bebob_exit); 511