[linux-2.6-block.git] / sound / firewire / bebob / bebob.c

// 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
#define MODEL_MAUDIO_PROFIRELIGHTBRIDGE	0x000100a1

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;
	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;

	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);

	mutex_destroy(&bebob->mutex);
	fw_unit_put(bebob->unit);
}

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 int bebob_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
{
	unsigned int card_index;
	struct snd_card *card;
	struct snd_bebob *bebob;
	const struct snd_bebob_spec *spec;
	int err;

	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;
	}

	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 -ENOENT;
	}

	err = snd_card_new(&unit->device, index[card_index], id[card_index], THIS_MODULE,
			   sizeof(*bebob), &card);
	if (err < 0) {
		mutex_unlock(&devices_mutex);
		return err;
	}
	card->private_free = bebob_card_free;
	set_bit(card_index, devices_used);
	mutex_unlock(&devices_mutex);

	bebob = card->private_data;
	bebob->unit = fw_unit_get(unit);
	dev_set_drvdata(&unit->device, bebob);
	bebob->card = card;
	bebob->card_index = card_index;

	bebob->spec = spec;
	mutex_init(&bebob->mutex);
	spin_lock_init(&bebob->lock);
	init_waitqueue_head(&bebob->hwdep_wait);

	err = name_device(bebob);
	if (err < 0)
		goto error;

	if (bebob->spec == &maudio_special_spec) {
		if (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;

	// M-Audio ProFire Lightbridge has a quirk to transfer packets with discontinuous cycle or
	// data block counter in early stage of packet streaming. The cycle span from the first
	// packet with event is variable.
	if (entry->vendor_id == VEN_MAUDIO1 && entry->model_id == MODEL_MAUDIO_PROFIRELIGHTBRIDGE)
		bebob->discontinuity_quirk = true;

	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(card);
	if (err < 0)
		goto error;

	if (entry->vendor_id == VEN_MAUDIO1 &&
	    (entry->model_id == MODEL_MAUDIO_FW1814 || entry->model_id == MODEL_MAUDIO_PROJECTMIX)) {
		// 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;
error:
	snd_card_free(card);
	return err;
}

/*
 * 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;

	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;

	// Block till all of ALSA character devices are released.
	snd_card_free(bebob->card);
}

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 (optional Firewire card with DM1000).
	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, MODEL_MAUDIO_PROFIRELIGHTBRIDGE, &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);
Commit	Line	Data
da607e19	1	// SPDX-License-Identifier: GPL-2.0-only
fd6f4b0d TS	2	/*
	3	* bebob.c - a part of driver for BeBoB based devices
	4	*
	5	* Copyright (c) 2013-2014 Takashi Sakamoto
fd6f4b0d TS	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
	16	MODULE_DESCRIPTION("BridgeCo BeBoB driver");
	17	MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
	18	MODULE_LICENSE("GPL v2");
	19
	20	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
	21	static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
	22	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
	23
	24	module_param_array(index, int, NULL, 0444);
	25	MODULE_PARM_DESC(index, "card index");
	26	module_param_array(id, charp, NULL, 0444);
	27	MODULE_PARM_DESC(id, "ID string");
	28	module_param_array(enable, bool, NULL, 0444);
	29	MODULE_PARM_DESC(enable, "enable BeBoB sound card");
	30
	31	static DEFINE_MUTEX(devices_mutex);
	32	static DECLARE_BITMAP(devices_used, SNDRV_CARDS);
	33
	34	/* Offsets from information register. */
7b4d7dcf	35	#define INFO_OFFSET_BEBOB_VERSION 0x08
fd6f4b0d TS	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
425a570e TS	43	#define VEN_MACKIE1 0x0000000f
425a570e TS	44	#define VEN_MACKIE2 0x00000ff2
fd6f4b0d TS	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
326b9cac	56	#define VEN_TERRATEC 0x00000aac
8ac98a35	57	#define VEN_YAMAHA 0x0000a0de
25784ec2	58	#define VEN_FOCUSRITE 0x0000130e
9076c22d TS	59	#define VEN_MAUDIO1 0x00000d6c
9076c22d TS	60	#define VEN_MAUDIO2 0x000007f5
146a5e3c	61	#define VEN_DIGIDESIGN 0x00a07e
25784ec2 TS	62
25784ec2 TS	63	#define MODEL_FOCUSRITE_SAFFIRE_BOTH 0x00000000
9076c22d	64	#define MODEL_MAUDIO_AUDIOPHILE_BOTH 0x00010060
3149ac48 TS	65	#define MODEL_MAUDIO_FW1814 0x00010071
3149ac48 TS	66	#define MODEL_MAUDIO_PROJECTMIX 0x00010091
5ec85c19	67	#define MODEL_MAUDIO_PROFIRELIGHTBRIDGE 0x000100a1
fd6f4b0d TS	68
fd6f4b0d TS	69	static int
093dd449	70	name_device(struct snd_bebob *bebob)
fd6f4b0d TS	71	{
	72	struct fw_device *fw_dev = fw_parent_device(bebob->unit);
	73	char vendor[24] = {0};
	74	char model[32] = {0};
791c67b4	75	u32 hw_id;
fd6f4b0d TS	76	u32 data[2] = {0};
	77	u32 revision;
	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,
791c67b4	94	&hw_id);
fd6f4b0d TS	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	strcpy(bebob->card->driver, "BeBoB");
	111	strcpy(bebob->card->shortname, model);
	112	strcpy(bebob->card->mixername, model);
	113	snprintf(bebob->card->longname, sizeof(bebob->card->longname),
	114	"%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d",
791c67b4	115	vendor, model, hw_id, revision,
fd6f4b0d TS	116	data[0], data[1], dev_name(&bebob->unit->device),
	117	100 << fw_dev->max_speed);
	118	end:
	119	return err;
	120	}
	121
3babca45 TS	122	static void
3babca45 TS	123	bebob_card_free(struct snd_card *card)
04a2c73c	124	{
3babca45 TS	125	struct snd_bebob *bebob = card->private_data;
3babca45 TS	126
873608dc TS	127	mutex_lock(&devices_mutex);
	128	clear_bit(bebob->card_index, devices_used);
	129	mutex_unlock(&devices_mutex);
	130
04a2c73c	131	snd_bebob_stream_destroy_duplex(bebob);
81bfb89e TS	132
	133	mutex_destroy(&bebob->mutex);
	134	fw_unit_put(bebob->unit);
04a2c73c TS	135	}
04a2c73c TS	136
25784ec2 TS	137	static const struct snd_bebob_spec *
	138	get_saffire_spec(struct fw_unit *unit)
	139	{
	140	char name[24] = {0};
	141
	142	if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0)
	143	return NULL;
	144
	145	if (strcmp(name, "SaffireLE") == 0)
	146	return &saffire_le_spec;
	147	else
	148	return &saffire_spec;
	149	}
	150
9076c22d TS	151	static bool
	152	check_audiophile_booted(struct fw_unit *unit)
	153	{
2e57069c	154	char name[28] = {0};
9076c22d TS	155
	156	if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0)
	157	return false;
	158
2e57069c	159	return strncmp(name, "FW Audiophile Bootloader", 24) != 0;
9076c22d TS	160	}
9076c22d TS	161
81bfb89e	162	static int bebob_probe(struct fw_unit unit, const struct ieee1394_device_id entry)
fd6f4b0d	163	{
fd6f4b0d	164	unsigned int card_index;
81bfb89e TS	165	struct snd_card *card;
	166	struct snd_bebob *bebob;
	167	const struct snd_bebob_spec *spec;
fd6f4b0d TS	168	int err;
fd6f4b0d TS	169
81bfb89e TS	170	if (entry->vendor_id == VEN_FOCUSRITE &&
	171	entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH)
	172	spec = get_saffire_spec(unit);
	173	else if (entry->vendor_id == VEN_MAUDIO1 &&
	174	entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH &&
	175	!check_audiophile_booted(unit))
	176	spec = NULL;
	177	else
	178	spec = (const struct snd_bebob_spec *)entry->driver_data;
	179
	180	if (spec == NULL) {
	181	if (entry->vendor_id == VEN_MAUDIO1 \|\| entry->vendor_id == VEN_MAUDIO2)
	182	return snd_bebob_maudio_load_firmware(unit);
	183	else
	184	return -ENODEV;
	185	}
04a2c73c	186
fd6f4b0d	187	mutex_lock(&devices_mutex);
fd6f4b0d TS	188	for (card_index = 0; card_index < SNDRV_CARDS; card_index++) {
	189	if (!test_bit(card_index, devices_used) && enable[card_index])
	190	break;
	191	}
	192	if (card_index >= SNDRV_CARDS) {
04a2c73c	193	mutex_unlock(&devices_mutex);
81bfb89e	194	return -ENOENT;
fd6f4b0d TS	195	}
fd6f4b0d TS	196
81bfb89e TS	197	err = snd_card_new(&unit->device, index[card_index], id[card_index], THIS_MODULE,
81bfb89e TS	198	sizeof(*bebob), &card);
04a2c73c TS	199	if (err < 0) {
04a2c73c TS	200	mutex_unlock(&devices_mutex);
81bfb89e	201	return err;
1fc9522a	202	}
81bfb89e	203	card->private_free = bebob_card_free;
873608dc TS	204	set_bit(card_index, devices_used);
873608dc TS	205	mutex_unlock(&devices_mutex);
1fc9522a	206
81bfb89e TS	207	bebob = card->private_data;
	208	bebob->unit = fw_unit_get(unit);
	209	dev_set_drvdata(&unit->device, bebob);
	210	bebob->card = card;
	211	bebob->card_index = card_index;
	212
	213	bebob->spec = spec;
	214	mutex_init(&bebob->mutex);
	215	spin_lock_init(&bebob->lock);
	216	init_waitqueue_head(&bebob->hwdep_wait);
3babca45	217
093dd449	218	err = name_device(bebob);
fd6f4b0d TS	219	if (err < 0)
	220	goto error;
	221
04a2c73c	222	if (bebob->spec == &maudio_special_spec) {
81bfb89e	223	if (entry->model_id == MODEL_MAUDIO_FW1814)
04a2c73c TS	224	err = snd_bebob_maudio_special_discover(bebob, true);
	225	else
	226	err = snd_bebob_maudio_special_discover(bebob, false);
	227	} else {
3149ac48	228	err = snd_bebob_stream_discover(bebob);
04a2c73c TS	229	}
	230	if (err < 0)
	231	goto error;
	232
5ec85c19 TS	233	// M-Audio ProFire Lightbridge has a quirk to transfer packets with discontinuous cycle or
	234	// data block counter in early stage of packet streaming. The cycle span from the first
	235	// packet with event is variable.
81bfb89e	236	if (entry->vendor_id == VEN_MAUDIO1 && entry->model_id == MODEL_MAUDIO_PROFIRELIGHTBRIDGE)
5ec85c19 TS	237	bebob->discontinuity_quirk = true;
5ec85c19 TS	238
04a2c73c	239	err = snd_bebob_stream_init_duplex(bebob);
fd6f4b0d TS	240	if (err < 0)
fd6f4b0d TS	241	goto error;
eb7b3a05	242
ad9697ba TS	243	snd_bebob_proc_init(bebob);
ad9697ba TS	244
04a2c73c	245	if (bebob->midi_input_ports > 0 \|\| bebob->midi_output_ports > 0) {
248b7802 TS	246	err = snd_bebob_create_midi_devices(bebob);
	247	if (err < 0)
	248	goto error;
	249	}
	250
fbbebd2c TS	251	err = snd_bebob_create_pcm_devices(bebob);
	252	if (err < 0)
	253	goto error;
	254
618eabea TS	255	err = snd_bebob_create_hwdep_device(bebob);
	256	if (err < 0)
	257	goto error;
	258
81bfb89e	259	err = snd_card_register(card);
eb7b3a05 TS	260	if (err < 0)
	261	goto error;
	262
81bfb89e TS	263	if (entry->vendor_id == VEN_MAUDIO1 &&
	264	(entry->model_id == MODEL_MAUDIO_FW1814 \|\| entry->model_id == MODEL_MAUDIO_PROJECTMIX)) {
	265	// This is a workaround. This bus reset seems to have an effect to make devices
	266	// correctly handling transactions. Without this, the devices have gap_count
	267	// mismatch. This causes much failure of transaction.
	268	//
	269	// Just after registration, user-land application receive signals from dbus and
	270	// starts I/Os. To avoid I/Os till the future bus reset, registration is done in
	271	// next update().
	272	fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card, false, true);
eb7b3a05 TS	273	}
eb7b3a05 TS	274
04a2c73c	275	return 0;
81bfb89e TS	276	error:
	277	snd_card_free(card);
	278	return err;
fd6f4b0d TS	279	}
fd6f4b0d TS	280
3800e6f9 TS	281	/*
	282	* This driver doesn't update streams in bus reset handler.
	283	*
	284	* DM1000/ DM1100/DM1500 chipsets with BeBoB firmware transfer packets with
	285	* discontinued counter at bus reset. This discontinuity is immediately
	286	* detected in packet streaming layer, then it sets XRUN to PCM substream.
	287	*
	288	* ALSA PCM applications can know the XRUN by getting -EPIPE from PCM operation.
	289	* Then, they can recover the PCM substream by executing ioctl(2) with
	290	* SNDRV_PCM_IOCTL_PREPARE. 'struct snd_pcm_ops.prepare' is called and drivers
	291	* restart packet streaming.
	292	*
	293	* The above processing may be executed before this bus-reset handler is
	294	* executed. When this handler updates streams with current isochronous
	295	* channels, the streams already have the current ones.
	296	*/
fd6f4b0d TS	297	static void
	298	bebob_update(struct fw_unit *unit)
	299	{
	300	struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
9076c22d TS	301
	302	if (bebob == NULL)
	303	return;
	304
81bfb89e	305	fcp_bus_reset(bebob->unit);
fd6f4b0d TS	306	}
	307
	308	static void bebob_remove(struct fw_unit *unit)
	309	{
	310	struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
9076c22d TS	311
	312	if (bebob == NULL)
	313	return;
	314
81bfb89e TS	315	// Block till all of ALSA character devices are released.
81bfb89e TS	316	snd_card_free(bebob->card);
fd6f4b0d TS	317	}
fd6f4b0d TS	318
6b9866c8	319	static const struct snd_bebob_rate_spec normal_rate_spec = {
1fc9522a TS	320	.get = &snd_bebob_stream_get_rate,
	321	.set = &snd_bebob_stream_set_rate
	322	};
	323	static const struct snd_bebob_spec spec_normal = {
	324	.clock = NULL,
	325	.rate = &normal_rate_spec,
	326	.meter = NULL
	327	};
	328
fd6f4b0d TS	329	static const struct ieee1394_device_id bebob_id_table[] = {
fd6f4b0d TS	330	/* Edirol, FA-66 */
1fc9522a	331	SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal),
fd6f4b0d	332	/* Edirol, FA-101 */
1fc9522a	333	SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal),
fd6f4b0d	334	/* Presonus, FIREBOX */
1fc9522a	335	SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal),
fd6f4b0d	336	/* PreSonus, FIREPOD/FP10 */
1fc9522a	337	SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal),
fd6f4b0d	338	/* PreSonus, Inspire1394 */
1fc9522a	339	SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal),
fd6f4b0d	340	/* BridgeCo, RDAudio1 */
1fc9522a	341	SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal),
fd6f4b0d	342	/* BridgeCo, Audio5 */
1fc9522a	343	SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal),
fd6f4b0d	344	/* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */
425a570e	345	SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal),
5d6fb80a	346	// Mackie, d.2 (optional Firewire card with DM1000).
425a570e	347	SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal),
fd6f4b0d	348	/* Stanton, ScratchAmp */
1fc9522a	349	SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal),
fd6f4b0d	350	/* Tascam, IF-FW DM */
1fc9522a	351	SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal),
fd6f4b0d	352	/* Behringer, XENIX UFX 1204 */
1fc9522a	353	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal),
fd6f4b0d	354	/* Behringer, XENIX UFX 1604 */
1fc9522a	355	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal),
fd6f4b0d	356	/* Behringer, Digital Mixer X32 series (X-UF Card) */
1fc9522a	357	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal),
cf8a4719 TS	358	/* Behringer, F-Control Audio 1616 */
	359	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal),
	360	/* Behringer, F-Control Audio 610 */
	361	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal),
fd6f4b0d TS	362	/* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */
fd6f4b0d TS	363	/* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */
1fc9522a	364	SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal),
fd6f4b0d	365	/* Apogee Electronics, Ensemble */
644b2e97	366	SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x01eeee, &spec_normal),
fd6f4b0d	367	/* ESI, Quatafire610 */
1fc9522a	368	SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal),
fd6f4b0d	369	/* AcousticReality, eARMasterOne */
1fc9522a	370	SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002, &spec_normal),
fd6f4b0d	371	/* CME, MatrixKFW */
1fc9522a	372	SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal),
fd6f4b0d	373	/* Phonic, Helix Board 12 MkII */
1fc9522a	374	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal),
fd6f4b0d	375	/* Phonic, Helix Board 18 MkII */
1fc9522a	376	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal),
fd6f4b0d	377	/* Phonic, Helix Board 24 MkII */
1fc9522a	378	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal),
fd6f4b0d	379	/* Phonic, Helix Board 12 Universal/18 Universal/24 Universal */
1fc9522a	380	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal),
fd6f4b0d	381	/* Lynx, Aurora 8/16 (LT-FW) */
1fc9522a	382	SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal),
fd6f4b0d	383	/* ICON, FireXon */
1fc9522a	384	SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal),
fd6f4b0d	385	/* PrismSound, Orpheus */
1fc9522a	386	SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal),
fd6f4b0d	387	/* PrismSound, ADA-8XR */
1fc9522a	388	SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal),
326b9cac TS	389	/* TerraTec Electronic GmbH, PHASE 88 Rack FW */
	390	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec),
	391	/* TerraTec Electronic GmbH, PHASE 24 FW */
e15c282e	392	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &yamaha_terratec_spec),
326b9cac	393	/* TerraTec Electronic GmbH, Phase X24 FW */
e15c282e	394	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &yamaha_terratec_spec),
326b9cac TS	395	/* TerraTec Electronic GmbH, EWS MIC2/MIC8 */
	396	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal),
	397	/* Terratec Electronic GmbH, Aureon 7.1 Firewire */
	398	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal),
8ac98a35	399	/* Yamaha, GO44 */
e15c282e	400	SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_terratec_spec),
8ac98a35	401	/* YAMAHA, GO46 */
e15c282e	402	SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_terratec_spec),
25784ec2 TS	403	/* Focusrite, SaffirePro 26 I/O */
	404	SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec),
	405	/* Focusrite, SaffirePro 10 I/O */
7dc661bd TS	406	{
	407	// The combination of vendor_id and model_id is the same as the
	408	// same as the one of Liquid Saffire 56.
	409	.match_flags = IEEE1394_MATCH_VENDOR_ID \|
	410	IEEE1394_MATCH_MODEL_ID \|
	411	IEEE1394_MATCH_SPECIFIER_ID \|
	412	IEEE1394_MATCH_VERSION,
	413	.vendor_id = VEN_FOCUSRITE,
	414	.model_id = 0x000006,
	415	.specifier_id = 0x00a02d,
	416	.version = 0x010001,
	417	.driver_data = (kernel_ulong_t)&saffirepro_10_spec,
	418	},
25784ec2 TS	419	/* Focusrite, Saffire(no label and LE) */
	420	SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH,
	421	&saffire_spec),
9076c22d	422	/* M-Audio, Firewire 410 */
a2b2a779	423	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010058, NULL), /* bootloader */
9076c22d TS	424	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010046, &maudio_fw410_spec),
	425	/* M-Audio, Firewire Audiophile */
	426	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_AUDIOPHILE_BOTH,
	427	&maudio_audiophile_spec),
	428	/* M-Audio, Firewire Solo */
	429	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010062, &maudio_solo_spec),
	430	/* M-Audio, Ozonic */
	431	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x0000000a, &maudio_ozonic_spec),
	432	/* M-Audio NRV10 */
	433	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010081, &maudio_nrv10_spec),
	434	/* M-Audio, ProFireLightbridge */
5ec85c19	435	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_PROFIRELIGHTBRIDGE, &spec_normal),
3149ac48	436	/* Firewire 1814 */
a2b2a779	437	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010070, NULL), /* bootloader */
3149ac48 TS	438	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_FW1814,
	439	&maudio_special_spec),
	440	/* M-Audio ProjectMix */
	441	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_PROJECTMIX,
	442	&maudio_special_spec),
146a5e3c TS	443	/* Digidesign Mbox 2 Pro */
146a5e3c TS	444	SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal),
fd6f4b0d TS	445	/* IDs are unknown but able to be supported */
	446	/* Apogee, Mini-ME Firewire */
	447	/* Apogee, Mini-DAC Firewire */
fd6f4b0d TS	448	/* Cakawalk, Sonar Power Studio 66 */
	449	/* CME, UF400e */
	450	/* ESI, Quotafire XL */
	451	/* Infrasonic, DewX */
	452	/* Infrasonic, Windy6 */
	453	/* Mackie, Digital X Bus x.200 */
	454	/* Mackie, Digital X Bus x.400 */
	455	/* Phonic, HB 12 */
	456	/* Phonic, HB 24 */
	457	/* Phonic, HB 18 */
	458	/* Phonic, FireFly 202 */
	459	/* Phonic, FireFly 302 */
	460	/* Rolf Spuler, Firewire Guitar */
	461	{}
	462	};
	463	MODULE_DEVICE_TABLE(ieee1394, bebob_id_table);
	464
	465	static struct fw_driver bebob_driver = {
	466	.driver = {
	467	.owner = THIS_MODULE,
9c0d16ac	468	.name = KBUILD_MODNAME,
fd6f4b0d TS	469	.bus = &fw_bus_type,
	470	},
	471	.probe = bebob_probe,
	472	.update = bebob_update,
	473	.remove = bebob_remove,
	474	.id_table = bebob_id_table,
	475	};
	476
	477	static int __init
	478	snd_bebob_init(void)
	479	{
	480	return driver_register(&bebob_driver.driver);
	481	}
	482
	483	static void __exit
	484	snd_bebob_exit(void)
	485	{
	486	driver_unregister(&bebob_driver.driver);
fd6f4b0d TS	487	}
	488
	489	module_init(snd_bebob_init);
	490	module_exit(snd_bebob_exit);