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 v2"); 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_MACKIE1 0x0000000f 44 #define VEN_MACKIE2 0x00000ff2 45 #define VEN_STANTON 0x00001260 46 #define VEN_TASCAM 0x0000022e 47 #define VEN_BEHRINGER 0x00001564 48 #define VEN_APOGEE 0x000003db 49 #define VEN_ESI 0x00000f1b 50 #define VEN_ACOUSTIC 0x00000002 51 #define VEN_CME 0x0000000a 52 #define VEN_PHONIC 0x00001496 53 #define VEN_LYNX 0x000019e5 54 #define VEN_ICON 0x00001a9e 55 #define VEN_PRISMSOUND 0x00001198 56 #define VEN_TERRATEC 0x00000aac 57 #define VEN_YAMAHA 0x0000a0de 58 #define VEN_FOCUSRITE 0x0000130e 59 #define VEN_MAUDIO1 0x00000d6c 60 #define VEN_MAUDIO2 0x000007f5 61 #define VEN_DIGIDESIGN 0x00a07e 62 63 #define MODEL_FOCUSRITE_SAFFIRE_BOTH 0x00000000 64 #define MODEL_MAUDIO_AUDIOPHILE_BOTH 0x00010060 65 #define MODEL_MAUDIO_FW1814 0x00010071 66 #define MODEL_MAUDIO_PROJECTMIX 0x00010091 67 68 static int 69 name_device(struct snd_bebob *bebob) 70 { 71 struct fw_device *fw_dev = fw_parent_device(bebob->unit); 72 char vendor[24] = {0}; 73 char model[32] = {0}; 74 u32 hw_id; 75 u32 data[2] = {0}; 76 u32 revision; 77 u32 version; 78 int err; 79 80 /* get vendor name from root directory */ 81 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR, 82 vendor, sizeof(vendor)); 83 if (err < 0) 84 goto end; 85 86 /* get model name from unit directory */ 87 err = fw_csr_string(bebob->unit->directory, CSR_MODEL, 88 model, sizeof(model)); 89 if (err < 0) 90 goto end; 91 92 /* get hardware id */ 93 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_ID, 94 &hw_id); 95 if (err < 0) 96 goto end; 97 98 /* get hardware revision */ 99 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_REVISION, 100 &revision); 101 if (err < 0) 102 goto end; 103 104 /* get GUID */ 105 err = snd_bebob_read_block(bebob->unit, INFO_OFFSET_GUID, 106 data, sizeof(data)); 107 if (err < 0) 108 goto end; 109 110 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_BEBOB_VERSION, 111 &version); 112 if (err < 0) 113 goto end; 114 bebob->version = version; 115 116 strcpy(bebob->card->driver, "BeBoB"); 117 strcpy(bebob->card->shortname, model); 118 strcpy(bebob->card->mixername, model); 119 snprintf(bebob->card->longname, sizeof(bebob->card->longname), 120 "%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d", 121 vendor, model, hw_id, revision, 122 data[0], data[1], dev_name(&bebob->unit->device), 123 100 << fw_dev->max_speed); 124 end: 125 return err; 126 } 127 128 static void 129 bebob_card_free(struct snd_card *card) 130 { 131 struct snd_bebob *bebob = card->private_data; 132 133 mutex_lock(&devices_mutex); 134 clear_bit(bebob->card_index, devices_used); 135 mutex_unlock(&devices_mutex); 136 137 snd_bebob_stream_destroy_duplex(bebob); 138 } 139 140 static const struct snd_bebob_spec * 141 get_saffire_spec(struct fw_unit *unit) 142 { 143 char name[24] = {0}; 144 145 if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) 146 return NULL; 147 148 if (strcmp(name, "SaffireLE") == 0) 149 return &saffire_le_spec; 150 else 151 return &saffire_spec; 152 } 153 154 static bool 155 check_audiophile_booted(struct fw_unit *unit) 156 { 157 char name[28] = {0}; 158 159 if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) 160 return false; 161 162 return strncmp(name, "FW Audiophile Bootloader", 24) != 0; 163 } 164 165 static void 166 do_registration(struct work_struct *work) 167 { 168 struct snd_bebob *bebob = 169 container_of(work, struct snd_bebob, dwork.work); 170 unsigned int card_index; 171 int err; 172 173 if (bebob->registered) 174 return; 175 176 mutex_lock(&devices_mutex); 177 for (card_index = 0; card_index < SNDRV_CARDS; card_index++) { 178 if (!test_bit(card_index, devices_used) && enable[card_index]) 179 break; 180 } 181 if (card_index >= SNDRV_CARDS) { 182 mutex_unlock(&devices_mutex); 183 return; 184 } 185 186 err = snd_card_new(&bebob->unit->device, index[card_index], 187 id[card_index], THIS_MODULE, 0, &bebob->card); 188 if (err < 0) { 189 mutex_unlock(&devices_mutex); 190 return; 191 } 192 set_bit(card_index, devices_used); 193 mutex_unlock(&devices_mutex); 194 195 bebob->card->private_free = bebob_card_free; 196 bebob->card->private_data = bebob; 197 198 err = name_device(bebob); 199 if (err < 0) 200 goto error; 201 202 if (bebob->spec == &maudio_special_spec) { 203 if (bebob->entry->model_id == MODEL_MAUDIO_FW1814) 204 err = snd_bebob_maudio_special_discover(bebob, true); 205 else 206 err = snd_bebob_maudio_special_discover(bebob, false); 207 } else { 208 err = snd_bebob_stream_discover(bebob); 209 } 210 if (err < 0) 211 goto error; 212 213 err = snd_bebob_stream_init_duplex(bebob); 214 if (err < 0) 215 goto error; 216 217 snd_bebob_proc_init(bebob); 218 219 if (bebob->midi_input_ports > 0 || bebob->midi_output_ports > 0) { 220 err = snd_bebob_create_midi_devices(bebob); 221 if (err < 0) 222 goto error; 223 } 224 225 err = snd_bebob_create_pcm_devices(bebob); 226 if (err < 0) 227 goto error; 228 229 err = snd_bebob_create_hwdep_device(bebob); 230 if (err < 0) 231 goto error; 232 233 err = snd_card_register(bebob->card); 234 if (err < 0) 235 goto error; 236 237 bebob->registered = true; 238 239 return; 240 error: 241 snd_card_free(bebob->card); 242 dev_info(&bebob->unit->device, 243 "Sound card registration failed: %d\n", err); 244 } 245 246 static int 247 bebob_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry) 248 { 249 struct snd_bebob *bebob; 250 const struct snd_bebob_spec *spec; 251 252 if (entry->vendor_id == VEN_FOCUSRITE && 253 entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH) 254 spec = get_saffire_spec(unit); 255 else if (entry->vendor_id == VEN_MAUDIO1 && 256 entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH && 257 !check_audiophile_booted(unit)) 258 spec = NULL; 259 else 260 spec = (const struct snd_bebob_spec *)entry->driver_data; 261 262 if (spec == NULL) { 263 if (entry->vendor_id == VEN_MAUDIO1 || 264 entry->vendor_id == VEN_MAUDIO2) 265 return snd_bebob_maudio_load_firmware(unit); 266 else 267 return -ENODEV; 268 } 269 270 /* Allocate this independent of sound card instance. */ 271 bebob = devm_kzalloc(&unit->device, sizeof(struct snd_bebob), 272 GFP_KERNEL); 273 if (!bebob) 274 return -ENOMEM; 275 bebob->unit = fw_unit_get(unit); 276 dev_set_drvdata(&unit->device, bebob); 277 278 bebob->entry = entry; 279 bebob->spec = spec; 280 mutex_init(&bebob->mutex); 281 spin_lock_init(&bebob->lock); 282 init_waitqueue_head(&bebob->hwdep_wait); 283 284 /* Allocate and register this sound card later. */ 285 INIT_DEFERRABLE_WORK(&bebob->dwork, do_registration); 286 287 if (entry->vendor_id != VEN_MAUDIO1 || 288 (entry->model_id != MODEL_MAUDIO_FW1814 && 289 entry->model_id != MODEL_MAUDIO_PROJECTMIX)) { 290 snd_fw_schedule_registration(unit, &bebob->dwork); 291 } else { 292 /* 293 * This is a workaround. This bus reset seems to have an effect 294 * to make devices correctly handling transactions. Without 295 * this, the devices have gap_count mismatch. This causes much 296 * failure of transaction. 297 * 298 * Just after registration, user-land application receive 299 * signals from dbus and starts I/Os. To avoid I/Os till the 300 * future bus reset, registration is done in next update(). 301 */ 302 fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card, 303 false, true); 304 } 305 306 return 0; 307 } 308 309 /* 310 * This driver doesn't update streams in bus reset handler. 311 * 312 * DM1000/ DM1100/DM1500 chipsets with BeBoB firmware transfer packets with 313 * discontinued counter at bus reset. This discontinuity is immediately 314 * detected in packet streaming layer, then it sets XRUN to PCM substream. 315 * 316 * ALSA PCM applications can know the XRUN by getting -EPIPE from PCM operation. 317 * Then, they can recover the PCM substream by executing ioctl(2) with 318 * SNDRV_PCM_IOCTL_PREPARE. 'struct snd_pcm_ops.prepare' is called and drivers 319 * restart packet streaming. 320 * 321 * The above processing may be executed before this bus-reset handler is 322 * executed. When this handler updates streams with current isochronous 323 * channels, the streams already have the current ones. 324 */ 325 static void 326 bebob_update(struct fw_unit *unit) 327 { 328 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 329 330 if (bebob == NULL) 331 return; 332 333 /* Postpone a workqueue for deferred registration. */ 334 if (!bebob->registered) 335 snd_fw_schedule_registration(unit, &bebob->dwork); 336 else 337 fcp_bus_reset(bebob->unit); 338 } 339 340 static void bebob_remove(struct fw_unit *unit) 341 { 342 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 343 344 if (bebob == NULL) 345 return; 346 347 /* 348 * Confirm to stop the work for registration before the sound card is 349 * going to be released. The work is not scheduled again because bus 350 * reset handler is not called anymore. 351 */ 352 cancel_delayed_work_sync(&bebob->dwork); 353 354 if (bebob->registered) { 355 // Block till all of ALSA character devices are released. 356 snd_card_free(bebob->card); 357 } 358 359 mutex_destroy(&bebob->mutex); 360 fw_unit_put(bebob->unit); 361 } 362 363 static const struct snd_bebob_rate_spec normal_rate_spec = { 364 .get = &snd_bebob_stream_get_rate, 365 .set = &snd_bebob_stream_set_rate 366 }; 367 static const struct snd_bebob_spec spec_normal = { 368 .clock = NULL, 369 .rate = &normal_rate_spec, 370 .meter = NULL 371 }; 372 373 static const struct ieee1394_device_id bebob_id_table[] = { 374 /* Edirol, FA-66 */ 375 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal), 376 /* Edirol, FA-101 */ 377 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal), 378 /* Presonus, FIREBOX */ 379 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal), 380 /* PreSonus, FIREPOD/FP10 */ 381 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal), 382 /* PreSonus, Inspire1394 */ 383 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal), 384 /* BridgeCo, RDAudio1 */ 385 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal), 386 /* BridgeCo, Audio5 */ 387 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), 388 /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ 389 SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal), 390 /* Mackie, d.2 (Firewire Option) */ 391 SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal), 392 /* Stanton, ScratchAmp */ 393 SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), 394 /* Tascam, IF-FW DM */ 395 SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal), 396 /* Behringer, XENIX UFX 1204 */ 397 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal), 398 /* Behringer, XENIX UFX 1604 */ 399 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal), 400 /* Behringer, Digital Mixer X32 series (X-UF Card) */ 401 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal), 402 /* Behringer, F-Control Audio 1616 */ 403 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal), 404 /* Behringer, F-Control Audio 610 */ 405 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal), 406 /* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */ 407 /* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */ 408 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal), 409 /* Apogee Electronics, Ensemble */ 410 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x01eeee, &spec_normal), 411 /* ESI, Quatafire610 */ 412 SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal), 413 /* AcousticReality, eARMasterOne */ 414 SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002, &spec_normal), 415 /* CME, MatrixKFW */ 416 SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal), 417 /* Phonic, Helix Board 12 MkII */ 418 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal), 419 /* Phonic, Helix Board 18 MkII */ 420 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal), 421 /* Phonic, Helix Board 24 MkII */ 422 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal), 423 /* Phonic, Helix Board 12 Universal/18 Universal/24 Universal */ 424 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal), 425 /* Lynx, Aurora 8/16 (LT-FW) */ 426 SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal), 427 /* ICON, FireXon */ 428 SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal), 429 /* PrismSound, Orpheus */ 430 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal), 431 /* PrismSound, ADA-8XR */ 432 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal), 433 /* TerraTec Electronic GmbH, PHASE 88 Rack FW */ 434 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec), 435 /* TerraTec Electronic GmbH, PHASE 24 FW */ 436 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &yamaha_terratec_spec), 437 /* TerraTec Electronic GmbH, Phase X24 FW */ 438 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &yamaha_terratec_spec), 439 /* TerraTec Electronic GmbH, EWS MIC2/MIC8 */ 440 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal), 441 /* Terratec Electronic GmbH, Aureon 7.1 Firewire */ 442 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal), 443 /* Yamaha, GO44 */ 444 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_terratec_spec), 445 /* YAMAHA, GO46 */ 446 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_terratec_spec), 447 /* Focusrite, SaffirePro 26 I/O */ 448 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec), 449 /* Focusrite, SaffirePro 10 I/O */ 450 { 451 // The combination of vendor_id and model_id is the same as the 452 // same as the one of Liquid Saffire 56. 453 .match_flags = IEEE1394_MATCH_VENDOR_ID | 454 IEEE1394_MATCH_MODEL_ID | 455 IEEE1394_MATCH_SPECIFIER_ID | 456 IEEE1394_MATCH_VERSION, 457 .vendor_id = VEN_FOCUSRITE, 458 .model_id = 0x000006, 459 .specifier_id = 0x00a02d, 460 .version = 0x010001, 461 .driver_data = (kernel_ulong_t)&saffirepro_10_spec, 462 }, 463 /* Focusrite, Saffire(no label and LE) */ 464 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH, 465 &saffire_spec), 466 /* M-Audio, Firewire 410 */ 467 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010058, NULL), /* bootloader */ 468 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010046, &maudio_fw410_spec), 469 /* M-Audio, Firewire Audiophile */ 470 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_AUDIOPHILE_BOTH, 471 &maudio_audiophile_spec), 472 /* M-Audio, Firewire Solo */ 473 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010062, &maudio_solo_spec), 474 /* M-Audio, Ozonic */ 475 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x0000000a, &maudio_ozonic_spec), 476 /* M-Audio NRV10 */ 477 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010081, &maudio_nrv10_spec), 478 /* M-Audio, ProFireLightbridge */ 479 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x000100a1, &spec_normal), 480 /* Firewire 1814 */ 481 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010070, NULL), /* bootloader */ 482 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_FW1814, 483 &maudio_special_spec), 484 /* M-Audio ProjectMix */ 485 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_PROJECTMIX, 486 &maudio_special_spec), 487 /* Digidesign Mbox 2 Pro */ 488 SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal), 489 /* IDs are unknown but able to be supported */ 490 /* Apogee, Mini-ME Firewire */ 491 /* Apogee, Mini-DAC Firewire */ 492 /* Cakawalk, Sonar Power Studio 66 */ 493 /* CME, UF400e */ 494 /* ESI, Quotafire XL */ 495 /* Infrasonic, DewX */ 496 /* Infrasonic, Windy6 */ 497 /* Mackie, Digital X Bus x.200 */ 498 /* Mackie, Digital X Bus x.400 */ 499 /* Phonic, HB 12 */ 500 /* Phonic, HB 24 */ 501 /* Phonic, HB 18 */ 502 /* Phonic, FireFly 202 */ 503 /* Phonic, FireFly 302 */ 504 /* Rolf Spuler, Firewire Guitar */ 505 {} 506 }; 507 MODULE_DEVICE_TABLE(ieee1394, bebob_id_table); 508 509 static struct fw_driver bebob_driver = { 510 .driver = { 511 .owner = THIS_MODULE, 512 .name = "snd-bebob", 513 .bus = &fw_bus_type, 514 }, 515 .probe = bebob_probe, 516 .update = bebob_update, 517 .remove = bebob_remove, 518 .id_table = bebob_id_table, 519 }; 520 521 static int __init 522 snd_bebob_init(void) 523 { 524 return driver_register(&bebob_driver.driver); 525 } 526 527 static void __exit 528 snd_bebob_exit(void) 529 { 530 driver_unregister(&bebob_driver.driver); 531 } 532 533 module_init(snd_bebob_init); 534 module_exit(snd_bebob_exit); 535