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// SPDX-License-Identifier: GPL-2.0-only
/*
* bebob.c - a part of driver for BeBoB based devices
*
* Copyright (c) 2013-2014 Takashi Sakamoto
*/
/*
* 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_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);
snd_bebob_stream_destroy_duplex(bebob);
}
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;
}
set_bit(card_index, devices_used);
mutex_unlock(&devices_mutex);
bebob->card->private_free = bebob_card_free;
bebob->card->private_data = bebob;
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;
bebob->registered = true;
return;
error:
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 = devm_kzalloc(&unit->device, sizeof(struct snd_bebob),
GFP_KERNEL);
if (!bebob)
return -ENOMEM;
bebob->unit = fw_unit_get(unit);
dev_set_drvdata(&unit->device, bebob);
bebob->entry = entry;
bebob->spec = spec;
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) {
// Block till all of ALSA character devices are released.
snd_card_free(bebob->card);
}
mutex_destroy(&bebob->mutex);
fw_unit_put(bebob->unit);
}
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 card) and d.2 Pro (the card is built-in).
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, 0x01eeee, &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 */
{
// The combination of vendor_id and model_id is the same as the
// same as the one of Liquid Saffire 56.
.match_flags = IEEE1394_MATCH_VENDOR_ID |
IEEE1394_MATCH_MODEL_ID |
IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION,
.vendor_id = VEN_FOCUSRITE,
.model_id = 0x000006,
.specifier_id = 0x00a02d,
.version = 0x010001,
.driver_data = (kernel_ulong_t)&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 = KBUILD_MODNAME,
.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);