1 /* 2 * bebob.c - a part of driver for BeBoB based devices 3 * 4 * Copyright (c) 2013-2014 Takashi Sakamoto 5 * 6 * Licensed under the terms of the GNU General Public License, version 2. 7 */ 8 9 /* 10 * BeBoB is 'BridgeCo enhanced Breakout Box'. This is installed to firewire 11 * devices with DM1000/DM1100/DM1500 chipset. It gives common way for host 12 * system to handle BeBoB based devices. 13 */ 14 15 #include "bebob.h" 16 17 MODULE_DESCRIPTION("BridgeCo BeBoB driver"); 18 MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>"); 19 MODULE_LICENSE("GPL v2"); 20 21 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 22 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 23 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 24 25 module_param_array(index, int, NULL, 0444); 26 MODULE_PARM_DESC(index, "card index"); 27 module_param_array(id, charp, NULL, 0444); 28 MODULE_PARM_DESC(id, "ID string"); 29 module_param_array(enable, bool, NULL, 0444); 30 MODULE_PARM_DESC(enable, "enable BeBoB sound card"); 31 32 static DEFINE_MUTEX(devices_mutex); 33 static DECLARE_BITMAP(devices_used, SNDRV_CARDS); 34 35 /* Offsets from information register. */ 36 #define INFO_OFFSET_BEBOB_VERSION 0x08 37 #define INFO_OFFSET_GUID 0x10 38 #define INFO_OFFSET_HW_MODEL_ID 0x18 39 #define INFO_OFFSET_HW_MODEL_REVISION 0x1c 40 41 #define VEN_EDIROL 0x000040ab 42 #define VEN_PRESONUS 0x00000a92 43 #define VEN_BRIDGECO 0x000007f5 44 #define VEN_MACKIE1 0x0000000f 45 #define VEN_MACKIE2 0x00000ff2 46 #define VEN_STANTON 0x00001260 47 #define VEN_TASCAM 0x0000022e 48 #define VEN_BEHRINGER 0x00001564 49 #define VEN_APOGEE 0x000003db 50 #define VEN_ESI 0x00000f1b 51 #define VEN_ACOUSTIC 0x00000002 52 #define VEN_CME 0x0000000a 53 #define VEN_PHONIC 0x00001496 54 #define VEN_LYNX 0x000019e5 55 #define VEN_ICON 0x00001a9e 56 #define VEN_PRISMSOUND 0x00001198 57 #define VEN_TERRATEC 0x00000aac 58 #define VEN_YAMAHA 0x0000a0de 59 #define VEN_FOCUSRITE 0x0000130e 60 #define VEN_MAUDIO1 0x00000d6c 61 #define VEN_MAUDIO2 0x000007f5 62 #define VEN_DIGIDESIGN 0x00a07e 63 64 #define MODEL_FOCUSRITE_SAFFIRE_BOTH 0x00000000 65 #define MODEL_MAUDIO_AUDIOPHILE_BOTH 0x00010060 66 #define MODEL_MAUDIO_FW1814 0x00010071 67 #define MODEL_MAUDIO_PROJECTMIX 0x00010091 68 69 static int 70 name_device(struct snd_bebob *bebob, unsigned int vendor_id) 71 { 72 struct fw_device *fw_dev = fw_parent_device(bebob->unit); 73 char vendor[24] = {0}; 74 char model[32] = {0}; 75 u32 hw_id; 76 u32 data[2] = {0}; 77 u32 revision; 78 u32 version; 79 int err; 80 81 /* get vendor name from root directory */ 82 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR, 83 vendor, sizeof(vendor)); 84 if (err < 0) 85 goto end; 86 87 /* get model name from unit directory */ 88 err = fw_csr_string(bebob->unit->directory, CSR_MODEL, 89 model, sizeof(model)); 90 if (err < 0) 91 goto end; 92 93 /* get hardware id */ 94 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_ID, 95 &hw_id); 96 if (err < 0) 97 goto end; 98 99 /* get hardware revision */ 100 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_REVISION, 101 &revision); 102 if (err < 0) 103 goto end; 104 105 /* get GUID */ 106 err = snd_bebob_read_block(bebob->unit, INFO_OFFSET_GUID, 107 data, sizeof(data)); 108 if (err < 0) 109 goto end; 110 111 err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_BEBOB_VERSION, 112 &version); 113 if (err < 0) 114 goto end; 115 bebob->version = version; 116 117 strcpy(bebob->card->driver, "BeBoB"); 118 strcpy(bebob->card->shortname, model); 119 strcpy(bebob->card->mixername, model); 120 snprintf(bebob->card->longname, sizeof(bebob->card->longname), 121 "%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d", 122 vendor, model, hw_id, revision, 123 data[0], data[1], dev_name(&bebob->unit->device), 124 100 << fw_dev->max_speed); 125 end: 126 return err; 127 } 128 129 /* 130 * This module releases the FireWire unit data after all ALSA character devices 131 * are released by applications. This is for releasing stream data or finishing 132 * transactions safely. Thus at returning from .remove(), this module still keep 133 * references for the unit. 134 */ 135 static void 136 bebob_card_free(struct snd_card *card) 137 { 138 struct snd_bebob *bebob = card->private_data; 139 140 snd_bebob_stream_destroy_duplex(bebob); 141 fw_unit_put(bebob->unit); 142 143 kfree(bebob->maudio_special_quirk); 144 145 if (bebob->card_index >= 0) { 146 mutex_lock(&devices_mutex); 147 clear_bit(bebob->card_index, devices_used); 148 mutex_unlock(&devices_mutex); 149 } 150 151 mutex_destroy(&bebob->mutex); 152 } 153 154 static const struct snd_bebob_spec * 155 get_saffire_spec(struct fw_unit *unit) 156 { 157 char name[24] = {0}; 158 159 if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) 160 return NULL; 161 162 if (strcmp(name, "SaffireLE") == 0) 163 return &saffire_le_spec; 164 else 165 return &saffire_spec; 166 } 167 168 static bool 169 check_audiophile_booted(struct fw_unit *unit) 170 { 171 char name[24] = {0}; 172 173 if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) 174 return false; 175 176 return strncmp(name, "FW Audiophile Bootloader", 15) != 0; 177 } 178 179 static int 180 bebob_probe(struct fw_unit *unit, 181 const struct ieee1394_device_id *entry) 182 { 183 struct snd_card *card; 184 struct snd_bebob *bebob; 185 const struct snd_bebob_spec *spec; 186 unsigned int card_index; 187 int err; 188 189 mutex_lock(&devices_mutex); 190 191 for (card_index = 0; card_index < SNDRV_CARDS; card_index++) { 192 if (!test_bit(card_index, devices_used) && enable[card_index]) 193 break; 194 } 195 if (card_index >= SNDRV_CARDS) { 196 err = -ENOENT; 197 goto end; 198 } 199 200 if ((entry->vendor_id == VEN_FOCUSRITE) && 201 (entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH)) 202 spec = get_saffire_spec(unit); 203 else if ((entry->vendor_id == VEN_MAUDIO1) && 204 (entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH) && 205 !check_audiophile_booted(unit)) 206 spec = NULL; 207 else 208 spec = (const struct snd_bebob_spec *)entry->driver_data; 209 210 if (spec == NULL) { 211 if ((entry->vendor_id == VEN_MAUDIO1) || 212 (entry->vendor_id == VEN_MAUDIO2)) 213 err = snd_bebob_maudio_load_firmware(unit); 214 else 215 err = -ENOSYS; 216 goto end; 217 } 218 219 err = snd_card_new(&unit->device, index[card_index], id[card_index], 220 THIS_MODULE, sizeof(struct snd_bebob), &card); 221 if (err < 0) 222 goto end; 223 bebob = card->private_data; 224 bebob->card_index = card_index; 225 set_bit(card_index, devices_used); 226 card->private_free = bebob_card_free; 227 228 bebob->card = card; 229 bebob->unit = fw_unit_get(unit); 230 bebob->spec = spec; 231 mutex_init(&bebob->mutex); 232 spin_lock_init(&bebob->lock); 233 init_waitqueue_head(&bebob->hwdep_wait); 234 235 err = name_device(bebob, entry->vendor_id); 236 if (err < 0) 237 goto error; 238 239 if ((entry->vendor_id == VEN_MAUDIO1) && 240 (entry->model_id == MODEL_MAUDIO_FW1814)) 241 err = snd_bebob_maudio_special_discover(bebob, true); 242 else if ((entry->vendor_id == VEN_MAUDIO1) && 243 (entry->model_id == MODEL_MAUDIO_PROJECTMIX)) 244 err = snd_bebob_maudio_special_discover(bebob, false); 245 else 246 err = snd_bebob_stream_discover(bebob); 247 if (err < 0) 248 goto error; 249 250 snd_bebob_proc_init(bebob); 251 252 if ((bebob->midi_input_ports > 0) || 253 (bebob->midi_output_ports > 0)) { 254 err = snd_bebob_create_midi_devices(bebob); 255 if (err < 0) 256 goto error; 257 } 258 259 err = snd_bebob_create_pcm_devices(bebob); 260 if (err < 0) 261 goto error; 262 263 err = snd_bebob_create_hwdep_device(bebob); 264 if (err < 0) 265 goto error; 266 267 err = snd_bebob_stream_init_duplex(bebob); 268 if (err < 0) 269 goto error; 270 271 if (!bebob->maudio_special_quirk) { 272 err = snd_card_register(card); 273 if (err < 0) { 274 snd_bebob_stream_destroy_duplex(bebob); 275 goto error; 276 } 277 } else { 278 /* 279 * This is a workaround. This bus reset seems to have an effect 280 * to make devices correctly handling transactions. Without 281 * this, the devices have gap_count mismatch. This causes much 282 * failure of transaction. 283 * 284 * Just after registration, user-land application receive 285 * signals from dbus and starts I/Os. To avoid I/Os till the 286 * future bus reset, registration is done in next update(). 287 */ 288 bebob->deferred_registration = true; 289 fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card, 290 false, true); 291 } 292 293 dev_set_drvdata(&unit->device, bebob); 294 end: 295 mutex_unlock(&devices_mutex); 296 return err; 297 error: 298 mutex_unlock(&devices_mutex); 299 snd_card_free(card); 300 return err; 301 } 302 303 /* 304 * This driver doesn't update streams in bus reset handler. 305 * 306 * DM1000/ DM1100/DM1500 chipsets with BeBoB firmware transfer packets with 307 * discontinued counter at bus reset. This discontinuity is immediately 308 * detected in packet streaming layer, then it sets XRUN to PCM substream. 309 * 310 * ALSA PCM applications can know the XRUN by getting -EPIPE from PCM operation. 311 * Then, they can recover the PCM substream by executing ioctl(2) with 312 * SNDRV_PCM_IOCTL_PREPARE. 'struct snd_pcm_ops.prepare' is called and drivers 313 * restart packet streaming. 314 * 315 * The above processing may be executed before this bus-reset handler is 316 * executed. When this handler updates streams with current isochronous 317 * channels, the streams already have the current ones. 318 */ 319 static void 320 bebob_update(struct fw_unit *unit) 321 { 322 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 323 324 if (bebob == NULL) 325 return; 326 327 fcp_bus_reset(bebob->unit); 328 329 if (bebob->deferred_registration) { 330 if (snd_card_register(bebob->card) < 0) { 331 snd_bebob_stream_destroy_duplex(bebob); 332 snd_card_free(bebob->card); 333 } 334 bebob->deferred_registration = false; 335 } 336 } 337 338 static void bebob_remove(struct fw_unit *unit) 339 { 340 struct snd_bebob *bebob = dev_get_drvdata(&unit->device); 341 342 if (bebob == NULL) 343 return; 344 345 /* No need to wait for releasing card object in this context. */ 346 snd_card_free_when_closed(bebob->card); 347 } 348 349 static const struct snd_bebob_rate_spec normal_rate_spec = { 350 .get = &snd_bebob_stream_get_rate, 351 .set = &snd_bebob_stream_set_rate 352 }; 353 static const struct snd_bebob_spec spec_normal = { 354 .clock = NULL, 355 .rate = &normal_rate_spec, 356 .meter = NULL 357 }; 358 359 static const struct ieee1394_device_id bebob_id_table[] = { 360 /* Edirol, FA-66 */ 361 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal), 362 /* Edirol, FA-101 */ 363 SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal), 364 /* Presonus, FIREBOX */ 365 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal), 366 /* PreSonus, FIREPOD/FP10 */ 367 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal), 368 /* PreSonus, Inspire1394 */ 369 SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal), 370 /* BridgeCo, RDAudio1 */ 371 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal), 372 /* BridgeCo, Audio5 */ 373 SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), 374 /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ 375 SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal), 376 /* Mackie, d.2 (Firewire Option) */ 377 SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal), 378 /* Stanton, ScratchAmp */ 379 SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), 380 /* Tascam, IF-FW DM */ 381 SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal), 382 /* Behringer, XENIX UFX 1204 */ 383 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal), 384 /* Behringer, XENIX UFX 1604 */ 385 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal), 386 /* Behringer, Digital Mixer X32 series (X-UF Card) */ 387 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal), 388 /* Behringer, F-Control Audio 1616 */ 389 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal), 390 /* Behringer, F-Control Audio 610 */ 391 SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal), 392 /* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */ 393 /* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */ 394 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal), 395 /* Apogee Electronics, Ensemble */ 396 SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00001eee, &spec_normal), 397 /* ESI, Quatafire610 */ 398 SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal), 399 /* AcousticReality, eARMasterOne */ 400 SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002, &spec_normal), 401 /* CME, MatrixKFW */ 402 SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal), 403 /* Phonic, Helix Board 12 MkII */ 404 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal), 405 /* Phonic, Helix Board 18 MkII */ 406 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal), 407 /* Phonic, Helix Board 24 MkII */ 408 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal), 409 /* Phonic, Helix Board 12 Universal/18 Universal/24 Universal */ 410 SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal), 411 /* Lynx, Aurora 8/16 (LT-FW) */ 412 SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal), 413 /* ICON, FireXon */ 414 SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal), 415 /* PrismSound, Orpheus */ 416 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal), 417 /* PrismSound, ADA-8XR */ 418 SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal), 419 /* TerraTec Electronic GmbH, PHASE 88 Rack FW */ 420 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec), 421 /* TerraTec Electronic GmbH, PHASE 24 FW */ 422 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &phase24_series_spec), 423 /* TerraTec Electronic GmbH, Phase X24 FW */ 424 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &phase24_series_spec), 425 /* TerraTec Electronic GmbH, EWS MIC2/MIC8 */ 426 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal), 427 /* Terratec Electronic GmbH, Aureon 7.1 Firewire */ 428 SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal), 429 /* Yamaha, GO44 */ 430 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_go_spec), 431 /* YAMAHA, GO46 */ 432 SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_go_spec), 433 /* Focusrite, SaffirePro 26 I/O */ 434 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec), 435 /* Focusrite, SaffirePro 10 I/O */ 436 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000006, &saffirepro_10_spec), 437 /* Focusrite, Saffire(no label and LE) */ 438 SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH, 439 &saffire_spec), 440 /* M-Audio, Firewire 410 */ 441 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010058, NULL), /* bootloader */ 442 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010046, &maudio_fw410_spec), 443 /* M-Audio, Firewire Audiophile */ 444 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_AUDIOPHILE_BOTH, 445 &maudio_audiophile_spec), 446 /* M-Audio, Firewire Solo */ 447 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010062, &maudio_solo_spec), 448 /* M-Audio, Ozonic */ 449 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x0000000a, &maudio_ozonic_spec), 450 /* M-Audio NRV10 */ 451 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010081, &maudio_nrv10_spec), 452 /* M-Audio, ProFireLightbridge */ 453 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x000100a1, &spec_normal), 454 /* Firewire 1814 */ 455 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010070, NULL), /* bootloader */ 456 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_FW1814, 457 &maudio_special_spec), 458 /* M-Audio ProjectMix */ 459 SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_PROJECTMIX, 460 &maudio_special_spec), 461 /* Digidesign Mbox 2 Pro */ 462 SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal), 463 /* IDs are unknown but able to be supported */ 464 /* Apogee, Mini-ME Firewire */ 465 /* Apogee, Mini-DAC Firewire */ 466 /* Cakawalk, Sonar Power Studio 66 */ 467 /* CME, UF400e */ 468 /* ESI, Quotafire XL */ 469 /* Infrasonic, DewX */ 470 /* Infrasonic, Windy6 */ 471 /* Mackie, Digital X Bus x.200 */ 472 /* Mackie, Digital X Bus x.400 */ 473 /* Phonic, HB 12 */ 474 /* Phonic, HB 24 */ 475 /* Phonic, HB 18 */ 476 /* Phonic, FireFly 202 */ 477 /* Phonic, FireFly 302 */ 478 /* Rolf Spuler, Firewire Guitar */ 479 {} 480 }; 481 MODULE_DEVICE_TABLE(ieee1394, bebob_id_table); 482 483 static struct fw_driver bebob_driver = { 484 .driver = { 485 .owner = THIS_MODULE, 486 .name = "snd-bebob", 487 .bus = &fw_bus_type, 488 }, 489 .probe = bebob_probe, 490 .update = bebob_update, 491 .remove = bebob_remove, 492 .id_table = bebob_id_table, 493 }; 494 495 static int __init 496 snd_bebob_init(void) 497 { 498 return driver_register(&bebob_driver.driver); 499 } 500 501 static void __exit 502 snd_bebob_exit(void) 503 { 504 driver_unregister(&bebob_driver.driver); 505 } 506 507 module_init(snd_bebob_init); 508 module_exit(snd_bebob_exit); 509