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 16MODULE_DESCRIPTION("BridgeCo BeBoB driver"); 17MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>"); 18MODULE_LICENSE("GPL"); 19 20static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 21static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 22static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 23 24module_param_array(index, int, NULL, 0444); 25MODULE_PARM_DESC(index, "card index"); 26module_param_array(id, charp, NULL, 0444); 27MODULE_PARM_DESC(id, "ID string"); 28module_param_array(enable, bool, NULL, 0444); 29MODULE_PARM_DESC(enable, "enable BeBoB sound card"); 30 31static DEFINE_MUTEX(devices_mutex); 32static 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 67static int 68name_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 strcpy(bebob->card->driver, "BeBoB"); 109 strcpy(bebob->card->shortname, model); 110 strcpy(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); 116end: 117 return err; 118} 119 120static void 121bebob_card_free(struct snd_card *card) 122{ 123 struct snd_bebob *bebob = card->private_data; 124 125 mutex_lock(&devices_mutex); 126 clear_bit(bebob->card_index, devices_used); 127 mutex_unlock(&devices_mutex); 128 129 snd_bebob_stream_destroy_duplex(bebob); 130 131 mutex_destroy(&bebob->mutex); 132 fw_unit_put(bebob->unit); 133} 134 135static const struct snd_bebob_spec * 136get_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 149static bool 150check_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 160static 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 184static 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 mutex_lock(&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 mutex_unlock(&devices_mutex); 217 return -ENOENT; 218 } 219 220 err = snd_card_new(&unit->device, index[card_index], id[card_index], THIS_MODULE, 221 sizeof(*bebob), &card); 222 if (err < 0) { 223 mutex_unlock(&devices_mutex); 224 return err; 225 } 226 card->private_free = bebob_card_free; 227 set_bit(card_index, devices_used); 228 mutex_unlock(&devices_mutex); 229 230 bebob = card->private_data; 231 bebob->unit = fw_unit_get(unit); 232 dev_set_drvdata(&unit->device, bebob); 233 bebob->card = card; 234 bebob->card_index = card_index; 235 236 bebob->spec = spec; 237 mutex_init(&bebob->mutex); 238 spin_lock_init(&bebob->lock); 239 init_waitqueue_head(&bebob->hwdep_wait); 240 241 err = name_device(bebob); 242 if (err < 0) 243 goto error; 244 245 err = detect_quirks(bebob, entry); 246 if (err < 0) 247 goto error; 248 249 if (bebob->spec == &maudio_special_spec) { 250 if (entry->model_id == MODEL_MAUDIO_FW1814) 251 err = snd_bebob_maudio_special_discover(bebob, true); 252 else 253 err = snd_bebob_maudio_special_discover(bebob, false); 254 } else { 255 err = snd_bebob_stream_discover(bebob); 256 } 257 if (err < 0) 258 goto error; 259 260 err = snd_bebob_stream_init_duplex(bebob); 261 if (err < 0) 262 goto error; 263 264 snd_bebob_proc_init(bebob); 265 266 if (bebob->midi_input_ports > 0 || bebob->midi_output_ports > 0) { 267 err = snd_bebob_create_midi_devices(bebob); 268 if (err < 0) 269 goto error; 270 } 271 272 err = snd_bebob_create_pcm_devices(bebob); 273 if (err < 0) 274 goto error; 275 276 err = snd_bebob_create_hwdep_device(bebob); 277 if (err < 0) 278 goto error; 279 280 err = snd_card_register(card); 281 if (err < 0) 282 goto error; 283 284 if (entry->vendor_id == VEN_MAUDIO && 285 (entry->model_id == MODEL_MAUDIO_FW1814 || entry->model_id == MODEL_MAUDIO_PROJECTMIX)) { 286 // This is a workaround. This bus reset seems to have an effect to make devices 287 // correctly handling transactions. Without this, the devices have gap_count 288 // mismatch. This causes much failure of transaction. 289 // 290 // Just after registration, user-land application receive signals from dbus and 291 // starts I/Os. To avoid I/Os till the future bus reset, registration is done in 292 // next update(). 293 fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card, false, true); 294 } 295 296 return 0; 297error: 298 snd_card_free(card); 299 return err; 300} 301 302/* 303 * This driver doesn't update streams in bus reset handler. 304 * 305 * DM1000/ DM1100/DM1500 chipsets with BeBoB firmware transfer packets with 306 * discontinued counter at bus reset. This discontinuity is immediately 307 * detected in packet streaming layer, then it sets XRUN to PCM substream. 308 * 309 * ALSA PCM applications can know the XRUN by getting -EPIPE from PCM operation. 310 * Then, they can recover the PCM substream by executing ioctl(2) with 311 * SNDRV_PCM_IOCTL_PREPARE. 'struct snd_pcm_ops.prepare' is called and drivers 312 * restart packet streaming. 313 * 314 * The above processing may be executed before this bus-reset handler is 315 * executed. When this handler updates streams with current isochronous 316 * channels, the streams already have the current ones. 317 */ 318static void 319bebob_update(struct fw_unit *unit) 320{ 321 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 322 323 if (bebob == NULL) 324 return; 325 326 fcp_bus_reset(bebob->unit); 327} 328 329static void bebob_remove(struct fw_unit *unit) 330{ 331 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 332 333 if (bebob == NULL) 334 return; 335 336 // Block till all of ALSA character devices are released. 337 snd_card_free(bebob->card); 338} 339 340static const struct snd_bebob_rate_spec normal_rate_spec = { 341 .get = &snd_bebob_stream_get_rate, 342 .set = &snd_bebob_stream_set_rate 343}; 344static const struct snd_bebob_spec spec_normal = { 345 .clock = NULL, 346 .rate = &normal_rate_spec, 347 .meter = NULL 348}; 349 350#define SPECIFIER_1394TA 0x00a02d 351 352// The immediate entry for version in unit directory differs depending on models: 353// * 0x010001 354// * 0x014001 355#define SND_BEBOB_DEV_ENTRY(vendor, model, data) \ 356{ \ 357 .match_flags = IEEE1394_MATCH_VENDOR_ID | \ 358 IEEE1394_MATCH_MODEL_ID | \ 359 IEEE1394_MATCH_SPECIFIER_ID, \ 360 .vendor_id = vendor, \ 361 .model_id = model, \ 362 .specifier_id = SPECIFIER_1394TA, \ 363 .driver_data = (kernel_ulong_t)data \ 364} 365 366static const struct ieee1394_device_id bebob_id_table[] = { 367 /* Edirol, FA-66 */ 368 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal), 369 /* Edirol, FA-101 */ 370 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal), 371 /* Presonus, FIREBOX */ 372 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal), 373 /* PreSonus, FIREPOD/FP10 */ 374 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal), 375 /* PreSonus, Inspire1394 */ 376 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal), 377 /* BridgeCo, RDAudio1 */ 378 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal), 379 /* BridgeCo, Audio5 */ 380 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), 381 /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ 382 SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010065, &spec_normal), 383 // Mackie, d.2 (optional Firewire card with DM1000). 384 SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010067, &spec_normal), 385 /* Stanton, ScratchAmp */ 386 SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), 387 /* Tascam, IF-FW DM */ 388 SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal), 389 /* Behringer, XENIX UFX 1204 */ 390 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal), 391 /* Behringer, XENIX UFX 1604 */ 392 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal), 393 /* Behringer, Digital Mixer X32 series (X-UF Card) */ 394 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal), 395 /* Behringer, F-Control Audio 1616 */ 396 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal), 397 /* Behringer, F-Control Audio 610 */ 398 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal), 399 /* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */ 400 /* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */ 401 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal), 402 /* Apogee Electronics, Ensemble */ 403 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x01eeee, &spec_normal), 404 /* ESI, Quatafire610 */ 405 SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal), 406 /* CME, MatrixKFW */ 407 SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal), 408 // Phonic Helix Board 12 FireWire MkII. 409 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal), 410 // Phonic Helix Board 18 FireWire MkII. 411 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal), 412 // Phonic Helix Board 24 FireWire MkII. 413 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal), 414 // Phonic FireFly 808 FireWire. 415 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00080000, &spec_normal), 416 // Phonic FireFly 202, 302, 808 Universal. 417 // Phinic Helix Board 12/18/24 FireWire, 12/18/24 Universal 418 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal), 419 /* Lynx, Aurora 8/16 (LT-FW) */ 420 SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal), 421 /* ICON, FireXon */ 422 SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal), 423 /* PrismSound, Orpheus */ 424 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal), 425 /* PrismSound, ADA-8XR */ 426 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal), 427 /* TerraTec Electronic GmbH, PHASE 88 Rack FW */ 428 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec), 429 /* TerraTec Electronic GmbH, PHASE 24 FW */ 430 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &yamaha_terratec_spec), 431 /* TerraTec Electronic GmbH, Phase X24 FW */ 432 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &yamaha_terratec_spec), 433 /* TerraTec Electronic GmbH, EWS MIC2/MIC8 */ 434 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal), 435 // Terratec Electronic GmbH, Aureon 7.1 Firewire. 436 // AcousticReality, eAR Master One, Eroica, Figaro, and Ciaccona. Perhaps Terratec OEM. 437 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal), 438 /* Yamaha, GO44 */ 439 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_terratec_spec), 440 /* YAMAHA, GO46 */ 441 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_terratec_spec), 442 /* Focusrite, SaffirePro 26 I/O */ 443 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec), 444 /* Focusrite, SaffirePro 10 I/O */ 445 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x000006, &saffirepro_10_spec), 446 /* Focusrite, Saffire(no label and LE) */ 447 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH, 448 &saffire_spec), 449 // M-Audio, Firewire 410. The vendor field is left as BridgeCo. AG. 450 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010058, NULL), 451 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010046, &maudio_fw410_spec), 452 /* M-Audio, Firewire Audiophile */ 453 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_AUDIOPHILE_BOTH, 454 &maudio_audiophile_spec), 455 /* M-Audio, Firewire Solo */ 456 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x00010062, &maudio_solo_spec), 457 /* M-Audio, Ozonic */ 458 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x0000000a, &maudio_ozonic_spec), 459 /* M-Audio NRV10 */ 460 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x00010081, &maudio_nrv10_spec), 461 /* M-Audio, ProFireLightbridge */ 462 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_PROFIRELIGHTBRIDGE, &spec_normal), 463 /* Firewire 1814 */ 464 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, 0x00010070, NULL), /* bootloader */ 465 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_FW1814, 466 &maudio_special_spec), 467 /* M-Audio ProjectMix */ 468 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO, MODEL_MAUDIO_PROJECTMIX, 469 &maudio_special_spec), 470 /* Digidesign Mbox 2 Pro */ 471 SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal), 472 // Toneweal FW66. 473 SND_BEBOB_DEV_ENTRY(OUI_SHOUYO, 0x020002, &spec_normal), 474 /* IDs are unknown but able to be supported */ 475 /* Apogee, Mini-ME Firewire */ 476 /* Apogee, Mini-DAC Firewire */ 477 /* Cakawalk, Sonar Power Studio 66 */ 478 /* CME, UF400e */ 479 /* ESI, Quotafire XL */ 480 /* Infrasonic, DewX */ 481 /* Infrasonic, Windy6 */ 482 /* Mackie, Digital X Bus x.200 */ 483 /* Mackie, Digital X Bus x.400 */ 484 /* Rolf Spuler, Firewire Guitar */ 485 {} 486}; 487MODULE_DEVICE_TABLE(ieee1394, bebob_id_table); 488 489static struct fw_driver bebob_driver = { 490 .driver = { 491 .owner = THIS_MODULE, 492 .name = KBUILD_MODNAME, 493 .bus = &fw_bus_type, 494 }, 495 .probe = bebob_probe, 496 .update = bebob_update, 497 .remove = bebob_remove, 498 .id_table = bebob_id_table, 499}; 500 501static int __init 502snd_bebob_init(void) 503{ 504 return driver_register(&bebob_driver.driver); 505} 506 507static void __exit 508snd_bebob_exit(void) 509{ 510 driver_unregister(&bebob_driver.driver); 511} 512 513module_init(snd_bebob_init); 514module_exit(snd_bebob_exit); 515