/* * bebob.c - a part of driver for BeBoB based devices * * Copyright (c) 2013-2014 Takashi Sakamoto * * Licensed under the terms of the GNU General Public License, version 2. */ /* * BeBoB is 'BridgeCo enhanced Breakout Box'. This is installed to firewire * devices with DM1000/DM1100/DM1500 chipset. It gives common way for host * system to handle BeBoB based devices. */ #include "bebob.h" MODULE_DESCRIPTION("BridgeCo BeBoB driver"); MODULE_AUTHOR("Takashi Sakamoto "); MODULE_LICENSE("GPL v2"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "card index"); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string"); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "enable BeBoB sound card"); static DEFINE_MUTEX(devices_mutex); static DECLARE_BITMAP(devices_used, SNDRV_CARDS); /* Offsets from information register. */ #define INFO_OFFSET_BEBOB_VERSION 0x08 #define INFO_OFFSET_GUID 0x10 #define INFO_OFFSET_HW_MODEL_ID 0x18 #define INFO_OFFSET_HW_MODEL_REVISION 0x1c #define VEN_EDIROL 0x000040ab #define VEN_PRESONUS 0x00000a92 #define VEN_BRIDGECO 0x000007f5 #define VEN_MACKIE1 0x0000000f #define VEN_MACKIE2 0x00000ff2 #define VEN_STANTON 0x00001260 #define VEN_TASCAM 0x0000022e #define VEN_BEHRINGER 0x00001564 #define VEN_APOGEE 0x000003db #define VEN_ESI 0x00000f1b #define VEN_ACOUSTIC 0x00000002 #define VEN_CME 0x0000000a #define VEN_PHONIC 0x00001496 #define VEN_LYNX 0x000019e5 #define VEN_ICON 0x00001a9e #define VEN_PRISMSOUND 0x00001198 #define VEN_TERRATEC 0x00000aac #define VEN_YAMAHA 0x0000a0de #define VEN_FOCUSRITE 0x0000130e #define VEN_MAUDIO1 0x00000d6c #define VEN_MAUDIO2 0x000007f5 #define VEN_DIGIDESIGN 0x00a07e #define MODEL_FOCUSRITE_SAFFIRE_BOTH 0x00000000 #define MODEL_MAUDIO_AUDIOPHILE_BOTH 0x00010060 #define MODEL_MAUDIO_FW1814 0x00010071 #define MODEL_MAUDIO_PROJECTMIX 0x00010091 static int name_device(struct snd_bebob *bebob) { struct fw_device *fw_dev = fw_parent_device(bebob->unit); char vendor[24] = {0}; char model[32] = {0}; u32 hw_id; u32 data[2] = {0}; u32 revision; u32 version; int err; /* get vendor name from root directory */ err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR, vendor, sizeof(vendor)); if (err < 0) goto end; /* get model name from unit directory */ err = fw_csr_string(bebob->unit->directory, CSR_MODEL, model, sizeof(model)); if (err < 0) goto end; /* get hardware id */ err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_ID, &hw_id); if (err < 0) goto end; /* get hardware revision */ err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_REVISION, &revision); if (err < 0) goto end; /* get GUID */ err = snd_bebob_read_block(bebob->unit, INFO_OFFSET_GUID, data, sizeof(data)); if (err < 0) goto end; err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_BEBOB_VERSION, &version); if (err < 0) goto end; bebob->version = version; strcpy(bebob->card->driver, "BeBoB"); strcpy(bebob->card->shortname, model); strcpy(bebob->card->mixername, model); snprintf(bebob->card->longname, sizeof(bebob->card->longname), "%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d", vendor, model, hw_id, revision, data[0], data[1], dev_name(&bebob->unit->device), 100 << fw_dev->max_speed); end: return err; } static void bebob_free(struct snd_bebob *bebob) { snd_bebob_stream_destroy_duplex(bebob); fw_unit_put(bebob->unit); kfree(bebob->maudio_special_quirk); mutex_destroy(&bebob->mutex); kfree(bebob); } /* * This module releases the FireWire unit data after all ALSA character devices * are released by applications. This is for releasing stream data or finishing * transactions safely. Thus at returning from .remove(), this module still keep * references for the unit. */ static void bebob_card_free(struct snd_card *card) { struct snd_bebob *bebob = card->private_data; mutex_lock(&devices_mutex); clear_bit(bebob->card_index, devices_used); mutex_unlock(&devices_mutex); bebob_free(card->private_data); } static const struct snd_bebob_spec * get_saffire_spec(struct fw_unit *unit) { char name[24] = {0}; if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) return NULL; if (strcmp(name, "SaffireLE") == 0) return &saffire_le_spec; else return &saffire_spec; } static bool check_audiophile_booted(struct fw_unit *unit) { char name[28] = {0}; if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) return false; return strncmp(name, "FW Audiophile Bootloader", 24) != 0; } static void do_registration(struct work_struct *work) { struct snd_bebob *bebob = container_of(work, struct snd_bebob, dwork.work); unsigned int card_index; int err; if (bebob->registered) return; mutex_lock(&devices_mutex); for (card_index = 0; card_index < SNDRV_CARDS; card_index++) { if (!test_bit(card_index, devices_used) && enable[card_index]) break; } if (card_index >= SNDRV_CARDS) { mutex_unlock(&devices_mutex); return; } err = snd_card_new(&bebob->unit->device, index[card_index], id[card_index], THIS_MODULE, 0, &bebob->card); if (err < 0) { mutex_unlock(&devices_mutex); return; } err = name_device(bebob); if (err < 0) goto error; if (bebob->spec == &maudio_special_spec) { if (bebob->entry->model_id == MODEL_MAUDIO_FW1814) err = snd_bebob_maudio_special_discover(bebob, true); else err = snd_bebob_maudio_special_discover(bebob, false); } else { err = snd_bebob_stream_discover(bebob); } if (err < 0) goto error; err = snd_bebob_stream_init_duplex(bebob); if (err < 0) goto error; snd_bebob_proc_init(bebob); if (bebob->midi_input_ports > 0 || bebob->midi_output_ports > 0) { err = snd_bebob_create_midi_devices(bebob); if (err < 0) goto error; } err = snd_bebob_create_pcm_devices(bebob); if (err < 0) goto error; err = snd_bebob_create_hwdep_device(bebob); if (err < 0) goto error; err = snd_card_register(bebob->card); if (err < 0) goto error; set_bit(card_index, devices_used); mutex_unlock(&devices_mutex); /* * After registered, bebob instance can be released corresponding to * releasing the sound card instance. */ bebob->card->private_free = bebob_card_free; bebob->card->private_data = bebob; bebob->registered = true; return; error: mutex_unlock(&devices_mutex); snd_bebob_stream_destroy_duplex(bebob); snd_card_free(bebob->card); dev_info(&bebob->unit->device, "Sound card registration failed: %d\n", err); } static int bebob_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry) { struct snd_bebob *bebob; const struct snd_bebob_spec *spec; if (entry->vendor_id == VEN_FOCUSRITE && entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH) spec = get_saffire_spec(unit); else if (entry->vendor_id == VEN_MAUDIO1 && entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH && !check_audiophile_booted(unit)) spec = NULL; else spec = (const struct snd_bebob_spec *)entry->driver_data; if (spec == NULL) { if (entry->vendor_id == VEN_MAUDIO1 || entry->vendor_id == VEN_MAUDIO2) return snd_bebob_maudio_load_firmware(unit); else return -ENODEV; } /* Allocate this independent of sound card instance. */ bebob = kzalloc(sizeof(struct snd_bebob), GFP_KERNEL); if (bebob == NULL) return -ENOMEM; bebob->unit = fw_unit_get(unit); bebob->entry = entry; bebob->spec = spec; dev_set_drvdata(&unit->device, bebob); mutex_init(&bebob->mutex); spin_lock_init(&bebob->lock); init_waitqueue_head(&bebob->hwdep_wait); /* Allocate and register this sound card later. */ INIT_DEFERRABLE_WORK(&bebob->dwork, do_registration); if (entry->vendor_id != VEN_MAUDIO1 || (entry->model_id != MODEL_MAUDIO_FW1814 && entry->model_id != MODEL_MAUDIO_PROJECTMIX)) { snd_fw_schedule_registration(unit, &bebob->dwork); } else { /* * This is a workaround. This bus reset seems to have an effect * to make devices correctly handling transactions. Without * this, the devices have gap_count mismatch. This causes much * failure of transaction. * * Just after registration, user-land application receive * signals from dbus and starts I/Os. To avoid I/Os till the * future bus reset, registration is done in next update(). */ fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card, false, true); } return 0; } /* * This driver doesn't update streams in bus reset handler. * * DM1000/ DM1100/DM1500 chipsets with BeBoB firmware transfer packets with * discontinued counter at bus reset. This discontinuity is immediately * detected in packet streaming layer, then it sets XRUN to PCM substream. * * ALSA PCM applications can know the XRUN by getting -EPIPE from PCM operation. * Then, they can recover the PCM substream by executing ioctl(2) with * SNDRV_PCM_IOCTL_PREPARE. 'struct snd_pcm_ops.prepare' is called and drivers * restart packet streaming. * * The above processing may be executed before this bus-reset handler is * executed. When this handler updates streams with current isochronous * channels, the streams already have the current ones. */ static void bebob_update(struct fw_unit *unit) { struct snd_bebob *bebob = dev_get_drvdata(&unit->device); if (bebob == NULL) return; /* Postpone a workqueue for deferred registration. */ if (!bebob->registered) snd_fw_schedule_registration(unit, &bebob->dwork); else fcp_bus_reset(bebob->unit); } static void bebob_remove(struct fw_unit *unit) { struct snd_bebob *bebob = dev_get_drvdata(&unit->device); if (bebob == NULL) return; /* * Confirm to stop the work for registration before the sound card is * going to be released. The work is not scheduled again because bus * reset handler is not called anymore. */ cancel_delayed_work_sync(&bebob->dwork); if (bebob->registered) { /* No need to wait for releasing card object in this context. */ snd_card_free_when_closed(bebob->card); } else { /* Don't forget this case. */ bebob_free(bebob); } } static const struct snd_bebob_rate_spec normal_rate_spec = { .get = &snd_bebob_stream_get_rate, .set = &snd_bebob_stream_set_rate }; static const struct snd_bebob_spec spec_normal = { .clock = NULL, .rate = &normal_rate_spec, .meter = NULL }; static const struct ieee1394_device_id bebob_id_table[] = { /* Edirol, FA-66 */ SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal), /* Edirol, FA-101 */ SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal), /* Presonus, FIREBOX */ SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal), /* PreSonus, FIREPOD/FP10 */ SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal), /* PreSonus, Inspire1394 */ SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal), /* BridgeCo, RDAudio1 */ SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal), /* BridgeCo, Audio5 */ SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal), /* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */ SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal), /* Mackie, d.2 (Firewire Option) */ SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal), /* Stanton, ScratchAmp */ SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal), /* Tascam, IF-FW DM */ SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal), /* Behringer, XENIX UFX 1204 */ SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal), /* Behringer, XENIX UFX 1604 */ SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal), /* Behringer, Digital Mixer X32 series (X-UF Card) */ SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal), /* Behringer, F-Control Audio 1616 */ SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal), /* Behringer, F-Control Audio 610 */ SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal), /* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */ /* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */ SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal), /* Apogee Electronics, Ensemble */ SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00001eee, &spec_normal), /* ESI, Quatafire610 */ SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal), /* AcousticReality, eARMasterOne */ SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002, &spec_normal), /* CME, MatrixKFW */ SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal), /* Phonic, Helix Board 12 MkII */ SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal), /* Phonic, Helix Board 18 MkII */ SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal), /* Phonic, Helix Board 24 MkII */ SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal), /* Phonic, Helix Board 12 Universal/18 Universal/24 Universal */ SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal), /* Lynx, Aurora 8/16 (LT-FW) */ SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal), /* ICON, FireXon */ SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal), /* PrismSound, Orpheus */ SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal), /* PrismSound, ADA-8XR */ SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal), /* TerraTec Electronic GmbH, PHASE 88 Rack FW */ SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec), /* TerraTec Electronic GmbH, PHASE 24 FW */ SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &yamaha_terratec_spec), /* TerraTec Electronic GmbH, Phase X24 FW */ SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &yamaha_terratec_spec), /* TerraTec Electronic GmbH, EWS MIC2/MIC8 */ SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal), /* Terratec Electronic GmbH, Aureon 7.1 Firewire */ SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal), /* Yamaha, GO44 */ SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_terratec_spec), /* YAMAHA, GO46 */ SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_terratec_spec), /* Focusrite, SaffirePro 26 I/O */ SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec), /* Focusrite, SaffirePro 10 I/O */ SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000006, &saffirepro_10_spec), /* Focusrite, Saffire(no label and LE) */ SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH, &saffire_spec), /* M-Audio, Firewire 410 */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010058, NULL), /* bootloader */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010046, &maudio_fw410_spec), /* M-Audio, Firewire Audiophile */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_AUDIOPHILE_BOTH, &maudio_audiophile_spec), /* M-Audio, Firewire Solo */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010062, &maudio_solo_spec), /* M-Audio, Ozonic */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x0000000a, &maudio_ozonic_spec), /* M-Audio NRV10 */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010081, &maudio_nrv10_spec), /* M-Audio, ProFireLightbridge */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x000100a1, &spec_normal), /* Firewire 1814 */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010070, NULL), /* bootloader */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_FW1814, &maudio_special_spec), /* M-Audio ProjectMix */ SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_PROJECTMIX, &maudio_special_spec), /* Digidesign Mbox 2 Pro */ SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal), /* IDs are unknown but able to be supported */ /* Apogee, Mini-ME Firewire */ /* Apogee, Mini-DAC Firewire */ /* Cakawalk, Sonar Power Studio 66 */ /* CME, UF400e */ /* ESI, Quotafire XL */ /* Infrasonic, DewX */ /* Infrasonic, Windy6 */ /* Mackie, Digital X Bus x.200 */ /* Mackie, Digital X Bus x.400 */ /* Phonic, HB 12 */ /* Phonic, HB 24 */ /* Phonic, HB 18 */ /* Phonic, FireFly 202 */ /* Phonic, FireFly 302 */ /* Rolf Spuler, Firewire Guitar */ {} }; MODULE_DEVICE_TABLE(ieee1394, bebob_id_table); static struct fw_driver bebob_driver = { .driver = { .owner = THIS_MODULE, .name = "snd-bebob", .bus = &fw_bus_type, }, .probe = bebob_probe, .update = bebob_update, .remove = bebob_remove, .id_table = bebob_id_table, }; static int __init snd_bebob_init(void) { return driver_register(&bebob_driver.driver); } static void __exit snd_bebob_exit(void) { driver_unregister(&bebob_driver.driver); } module_init(snd_bebob_init); module_exit(snd_bebob_exit);