linux/sound/firewire/bebob/bebob.c
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   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 v2");
  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_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
  68static int
  69name_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);
 124end:
 125        return err;
 126}
 127
 128static void
 129bebob_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
 140static const struct snd_bebob_spec *
 141get_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
 154static bool
 155check_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
 165static void
 166do_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;
 240error:
 241        snd_card_free(bebob->card);
 242        dev_info(&bebob->unit->device,
 243                 "Sound card registration failed: %d\n", err);
 244}
 245
 246static int
 247bebob_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 */
 325static void
 326bebob_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
 340static 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
 363static const struct snd_bebob_rate_spec normal_rate_spec = {
 364        .get    = &snd_bebob_stream_get_rate,
 365        .set    = &snd_bebob_stream_set_rate
 366};
 367static const struct snd_bebob_spec spec_normal = {
 368        .clock  = NULL,
 369        .rate   = &normal_rate_spec,
 370        .meter  = NULL
 371};
 372
 373static 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};
 507MODULE_DEVICE_TABLE(ieee1394, bebob_id_table);
 508
 509static struct fw_driver bebob_driver = {
 510        .driver = {
 511                .owner  = THIS_MODULE,
 512                .name   = KBUILD_MODNAME,
 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
 521static int __init
 522snd_bebob_init(void)
 523{
 524        return driver_register(&bebob_driver.driver);
 525}
 526
 527static void __exit
 528snd_bebob_exit(void)
 529{
 530        driver_unregister(&bebob_driver.driver);
 531}
 532
 533module_init(snd_bebob_init);
 534module_exit(snd_bebob_exit);
 535