v4.19.13 snapshot.
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
new file mode 100644
index 0000000..9367635
--- /dev/null
+++ b/sound/firewire/bebob/bebob.c
@@ -0,0 +1,549 @@
+/*
+ * 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 <o-takashi@sakamocchi.jp>");
+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);
+ kfree(bebob->maudio_special_quirk);
+ bebob->maudio_special_quirk = NULL;
+ 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);