sound/firewire/oxfw/oxfw.c - kernel/bruno - Git at Google

 /*
  * oxfw.c - a part of driver for OXFW970/971 based devices
  *
  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
  * Licensed under the terms of the GNU General Public License, version 2.
  */

 #include "oxfw.h"

 #define OXFORD_FIRMWARE_ID_ADDRESS	(CSR_REGISTER_BASE + 0x50000)
 /* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */

 #define OXFORD_HARDWARE_ID_ADDRESS	(CSR_REGISTER_BASE + 0x90020)
 #define OXFORD_HARDWARE_ID_OXFW970	0x39443841
 #define OXFORD_HARDWARE_ID_OXFW971	0x39373100

 #define VENDOR_LOUD		0x000ff2
 #define VENDOR_GRIFFIN		0x001292
 #define VENDOR_BEHRINGER	0x001564
 #define VENDOR_LACIE		0x00d04b
 #define VENDOR_TASCAM		0x00022e

 #define MODEL_SATELLITE		0x00200f

 #define SPECIFIER_1394TA	0x00a02d
 #define VERSION_AVC		0x010001

 MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver");
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("snd-firewire-speakers");

 static bool detect_loud_models(struct fw_unit *unit)
 {
 	const char *const models[] = {
 		"Onyxi",
 		"Onyx-i",
 		"d.Pro",
 		"Mackie Onyx Satellite",
 		"Tapco LINK.firewire 4x6",
 		"U.420"};
 	char model[32];
 	unsigned int i;
 	int err;

 	err = fw_csr_string(unit->directory, CSR_MODEL,
 			    model, sizeof(model));
 	if (err < 0)
 		return false;

 	for (i = 0; i < ARRAY_SIZE(models); i++) {
 		if (strcmp(models[i], model) == 0)
 			break;
 	}

 	return (i < ARRAY_SIZE(models));
 }

 static int name_card(struct snd_oxfw *oxfw)
 {
 	struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
 	char vendor[24];
 	char model[32];
 	const char *d, *v, *m;
 	u32 firmware;
 	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(oxfw->unit->directory, CSR_MODEL,
 			    model, sizeof(model));
 	if (err < 0)
 		goto end;

 	err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
 				 OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
 	if (err < 0)
 		goto end;
 	be32_to_cpus(&firmware);

 	/* to apply card definitions */
 	if (oxfw->device_info) {
 		d = oxfw->device_info->driver_name;
 		v = oxfw->device_info->vendor_name;
 		m = oxfw->device_info->model_name;
 	} else {
 		d = "OXFW";
 		v = vendor;
 		m = model;
 	}

 	strcpy(oxfw->card->driver, d);
 	strcpy(oxfw->card->mixername, m);
 	strcpy(oxfw->card->shortname, m);

 	snprintf(oxfw->card->longname, sizeof(oxfw->card->longname),
 		 "%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d",
 		 v, m, firmware >> 20, firmware & 0xffff,
 		 fw_dev->config_rom[3], fw_dev->config_rom[4],
 		 dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed);
 end:
 	return err;
 }

 /*
  * 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 oxfw_card_free(struct snd_card *card)
 {
 	struct snd_oxfw *oxfw = card->private_data;
 	unsigned int i;

 	snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
 	if (oxfw->has_output)
 		snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);

 	fw_unit_put(oxfw->unit);

 	for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
 		kfree(oxfw->tx_stream_formats[i]);
 		kfree(oxfw->rx_stream_formats[i]);
 	}

 	mutex_destroy(&oxfw->mutex);
 }

 static void detect_quirks(struct snd_oxfw *oxfw)
 {
 	struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
 	struct fw_csr_iterator it;
 	int key, val;
 	int vendor, model;

 	/* Seek from Root Directory of Config ROM. */
 	vendor = model = 0;
 	fw_csr_iterator_init(&it, fw_dev->config_rom + 5);
 	while (fw_csr_iterator_next(&it, &key, &val)) {
 		if (key == CSR_VENDOR)
 			vendor = val;
 		else if (key == CSR_MODEL)
 			model = val;
 	}

 	/*
 	 * Mackie Onyx Satellite with base station has a quirk to report a wrong
 	 * value in 'dbs' field of CIP header against its format information.
 	 */
 	if (vendor == VENDOR_LOUD && model == MODEL_SATELLITE)
 		oxfw->wrong_dbs = true;

 	/*
 	 * TASCAM FireOne has physical control and requires a pair of additional
 	 * MIDI ports.
 	 */
 	if (vendor == VENDOR_TASCAM) {
 		oxfw->midi_input_ports++;
 		oxfw->midi_output_ports++;
 	}
 }

 static int oxfw_probe(struct fw_unit *unit,
 		       const struct ieee1394_device_id *id)
 {
 	struct snd_card *card;
 	struct snd_oxfw *oxfw;
 	int err;

 	if ((id->vendor_id == VENDOR_LOUD) && !detect_loud_models(unit))
 		return -ENODEV;

 	err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
 			   sizeof(*oxfw), &card);
 	if (err < 0)
 		return err;

 	card->private_free = oxfw_card_free;
 	oxfw = card->private_data;
 	oxfw->card = card;
 	mutex_init(&oxfw->mutex);
 	oxfw->unit = fw_unit_get(unit);
 	oxfw->device_info = (const struct device_info *)id->driver_data;
 	spin_lock_init(&oxfw->lock);
 	init_waitqueue_head(&oxfw->hwdep_wait);

 	err = snd_oxfw_stream_discover(oxfw);
 	if (err < 0)
 		goto error;

 	detect_quirks(oxfw);

 	err = name_card(oxfw);
 	if (err < 0)
 		goto error;

 	err = snd_oxfw_create_pcm(oxfw);
 	if (err < 0)
 		goto error;

 	if (oxfw->device_info) {
 		err = snd_oxfw_create_mixer(oxfw);
 		if (err < 0)
 			goto error;
 	}

 	snd_oxfw_proc_init(oxfw);

 	err = snd_oxfw_create_midi(oxfw);
 	if (err < 0)
 		goto error;

 	err = snd_oxfw_create_hwdep(oxfw);
 	if (err < 0)
 		goto error;

 	err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream);
 	if (err < 0)
 		goto error;
 	if (oxfw->has_output) {
 		err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->tx_stream);
 		if (err < 0)
 			goto error;
 	}

 	err = snd_card_register(card);
 	if (err < 0) {
 		snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
 		if (oxfw->has_output)
 			snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
 		goto error;
 	}
 	dev_set_drvdata(&unit->device, oxfw);

 	return 0;
 error:
 	snd_card_free(card);
 	return err;
 }

 static void oxfw_bus_reset(struct fw_unit *unit)
 {
 	struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);

 	fcp_bus_reset(oxfw->unit);

 	mutex_lock(&oxfw->mutex);

 	snd_oxfw_stream_update_simplex(oxfw, &oxfw->rx_stream);
 	if (oxfw->has_output)
 		snd_oxfw_stream_update_simplex(oxfw, &oxfw->tx_stream);

 	mutex_unlock(&oxfw->mutex);
 }

 static void oxfw_remove(struct fw_unit *unit)
 {
 	struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);

 	/* No need to wait for releasing card object in this context. */
 	snd_card_free_when_closed(oxfw->card);
 }

 static const struct device_info griffin_firewave = {
 	.driver_name = "FireWave",
 	.vendor_name = "Griffin",
 	.model_name = "FireWave",
 	.mixer_channels = 6,
 	.mute_fb_id   = 0x01,
 	.volume_fb_id = 0x02,
 };

 static const struct device_info lacie_speakers = {
 	.driver_name = "FWSpeakers",
 	.vendor_name = "LaCie",
 	.model_name = "FireWire Speakers",
 	.mixer_channels = 1,
 	.mute_fb_id   = 0x01,
 	.volume_fb_id = 0x01,
 };

 static const struct ieee1394_device_id oxfw_id_table[] = {
 	{
 		.match_flags  = IEEE1394_MATCH_VENDOR_ID |
 				IEEE1394_MATCH_MODEL_ID |
 				IEEE1394_MATCH_SPECIFIER_ID |
 				IEEE1394_MATCH_VERSION,
 		.vendor_id    = VENDOR_GRIFFIN,
 		.model_id     = 0x00f970,
 		.specifier_id = SPECIFIER_1394TA,
 		.version      = VERSION_AVC,
 		.driver_data  = (kernel_ulong_t)&griffin_firewave,
 	},
 	{
 		.match_flags  = IEEE1394_MATCH_VENDOR_ID |
 				IEEE1394_MATCH_MODEL_ID |
 				IEEE1394_MATCH_SPECIFIER_ID |
 				IEEE1394_MATCH_VERSION,
 		.vendor_id    = VENDOR_LACIE,
 		.model_id     = 0x00f970,
 		.specifier_id = SPECIFIER_1394TA,
 		.version      = VERSION_AVC,
 		.driver_data  = (kernel_ulong_t)&lacie_speakers,
 	},
 	/* Behringer,F-Control Audio 202 */
 	{
 		.match_flags	= IEEE1394_MATCH_VENDOR_ID |
 				  IEEE1394_MATCH_MODEL_ID,
 		.vendor_id	= VENDOR_BEHRINGER,
 		.model_id	= 0x00fc22,
 	},
 	/*
 	 * Any Mackie(Loud) models (name string/model id):
 	 *  Onyx-i series (former models):	0x081216
 	 *  Mackie Onyx Satellite:		0x00200f
 	 *  Tapco LINK.firewire 4x6:		0x000460
 	 *  d.2 pro:				Unknown
 	 *  d.4 pro:				Unknown
 	 *  U.420:				Unknown
 	 *  U.420d:				Unknown
 	 */
 	{
 		.match_flags	= IEEE1394_MATCH_VENDOR_ID |
 				  IEEE1394_MATCH_SPECIFIER_ID |
 				  IEEE1394_MATCH_VERSION,
 		.vendor_id	= VENDOR_LOUD,
 		.specifier_id	= SPECIFIER_1394TA,
 		.version	= VERSION_AVC,
 	},
 	/* TASCAM, FireOne */
 	{
 		.match_flags	= IEEE1394_MATCH_VENDOR_ID |
 				  IEEE1394_MATCH_MODEL_ID,
 		.vendor_id	= VENDOR_TASCAM,
 		.model_id	= 0x800007,
 	},
 	{ }
 };
 MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);

 static struct fw_driver oxfw_driver = {
 	.driver   = {
 		.owner	= THIS_MODULE,
 		.name	= KBUILD_MODNAME,
 		.bus	= &fw_bus_type,
 	},
 	.probe    = oxfw_probe,
 	.update   = oxfw_bus_reset,
 	.remove   = oxfw_remove,
 	.id_table = oxfw_id_table,
 };

 static int __init snd_oxfw_init(void)
 {
 	return driver_register(&oxfw_driver.driver);
 }

 static void __exit snd_oxfw_exit(void)
 {
 	driver_unregister(&oxfw_driver.driver);
 }

 module_init(snd_oxfw_init);
 module_exit(snd_oxfw_exit);
	/*
	* oxfw.c - a part of driver for OXFW970/971 based devices
	*
	* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
	* Licensed under the terms of the GNU General Public License, version 2.
	*/

	#include "oxfw.h"

	#define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000)
	/* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */

	#define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020)
	#define OXFORD_HARDWARE_ID_OXFW970 0x39443841
	#define OXFORD_HARDWARE_ID_OXFW971 0x39373100

	#define VENDOR_LOUD 0x000ff2
	#define VENDOR_GRIFFIN 0x001292
	#define VENDOR_BEHRINGER 0x001564
	#define VENDOR_LACIE 0x00d04b
	#define VENDOR_TASCAM 0x00022e

	#define MODEL_SATELLITE 0x00200f

	#define SPECIFIER_1394TA 0x00a02d
	#define VERSION_AVC 0x010001

	MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver");
	MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("snd-firewire-speakers");

	static bool detect_loud_models(struct fw_unit *unit)
	{
	const char *const models[] = {
	"Onyxi",
	"Onyx-i",
	"d.Pro",
	"Mackie Onyx Satellite",
	"Tapco LINK.firewire 4x6",
	"U.420"};
	char model[32];
	unsigned int i;
	int err;

	err = fw_csr_string(unit->directory, CSR_MODEL,
	model, sizeof(model));
	if (err < 0)
	return false;

	for (i = 0; i < ARRAY_SIZE(models); i++) {
	if (strcmp(models[i], model) == 0)
	break;
	}

	return (i < ARRAY_SIZE(models));
	}

	static int name_card(struct snd_oxfw *oxfw)
	{
	struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
	char vendor[24];
	char model[32];
	const char d, v, *m;
	u32 firmware;
	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(oxfw->unit->directory, CSR_MODEL,
	model, sizeof(model));
	if (err < 0)
	goto end;

	err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
	OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
	if (err < 0)
	goto end;
	be32_to_cpus(&firmware);

	/* to apply card definitions */
	if (oxfw->device_info) {
	d = oxfw->device_info->driver_name;
	v = oxfw->device_info->vendor_name;
	m = oxfw->device_info->model_name;
	} else {
	d = "OXFW";
	v = vendor;
	m = model;
	}

	strcpy(oxfw->card->driver, d);
	strcpy(oxfw->card->mixername, m);
	strcpy(oxfw->card->shortname, m);

	snprintf(oxfw->card->longname, sizeof(oxfw->card->longname),
	"%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d",
	v, m, firmware >> 20, firmware & 0xffff,
	fw_dev->config_rom[3], fw_dev->config_rom[4],
	dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed);
	end:
	return err;
	}

	/*
	* 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 oxfw_card_free(struct snd_card *card)
	{
	struct snd_oxfw *oxfw = card->private_data;
	unsigned int i;

	snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
	if (oxfw->has_output)
	snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);

	fw_unit_put(oxfw->unit);

	for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
	kfree(oxfw->tx_stream_formats[i]);
	kfree(oxfw->rx_stream_formats[i]);
	}

	mutex_destroy(&oxfw->mutex);
	}

	static void detect_quirks(struct snd_oxfw *oxfw)
	{
	struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
	struct fw_csr_iterator it;
	int key, val;
	int vendor, model;

	/* Seek from Root Directory of Config ROM. */
	vendor = model = 0;
	fw_csr_iterator_init(&it, fw_dev->config_rom + 5);
	while (fw_csr_iterator_next(&it, &key, &val)) {
	if (key == CSR_VENDOR)
	vendor = val;
	else if (key == CSR_MODEL)
	model = val;
	}

	/*
	* Mackie Onyx Satellite with base station has a quirk to report a wrong
	* value in 'dbs' field of CIP header against its format information.
	*/
	if (vendor == VENDOR_LOUD && model == MODEL_SATELLITE)
	oxfw->wrong_dbs = true;

	/*
	* TASCAM FireOne has physical control and requires a pair of additional
	* MIDI ports.
	*/
	if (vendor == VENDOR_TASCAM) {
	oxfw->midi_input_ports++;
	oxfw->midi_output_ports++;
	}
	}

	static int oxfw_probe(struct fw_unit *unit,
	const struct ieee1394_device_id *id)
	{
	struct snd_card *card;
	struct snd_oxfw *oxfw;
	int err;

	if ((id->vendor_id == VENDOR_LOUD) && !detect_loud_models(unit))
	return -ENODEV;

	err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
	sizeof(*oxfw), &card);
	if (err < 0)
	return err;

	card->private_free = oxfw_card_free;
	oxfw = card->private_data;
	oxfw->card = card;
	mutex_init(&oxfw->mutex);
	oxfw->unit = fw_unit_get(unit);
	oxfw->device_info = (const struct device_info *)id->driver_data;
	spin_lock_init(&oxfw->lock);
	init_waitqueue_head(&oxfw->hwdep_wait);

	err = snd_oxfw_stream_discover(oxfw);
	if (err < 0)
	goto error;

	detect_quirks(oxfw);

	err = name_card(oxfw);
	if (err < 0)
	goto error;

	err = snd_oxfw_create_pcm(oxfw);
	if (err < 0)
	goto error;

	if (oxfw->device_info) {
	err = snd_oxfw_create_mixer(oxfw);
	if (err < 0)
	goto error;
	}

	snd_oxfw_proc_init(oxfw);

	err = snd_oxfw_create_midi(oxfw);
	if (err < 0)
	goto error;

	err = snd_oxfw_create_hwdep(oxfw);
	if (err < 0)
	goto error;

	err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream);
	if (err < 0)
	goto error;
	if (oxfw->has_output) {
	err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->tx_stream);
	if (err < 0)
	goto error;
	}

	err = snd_card_register(card);
	if (err < 0) {
	snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
	if (oxfw->has_output)
	snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
	goto error;
	}
	dev_set_drvdata(&unit->device, oxfw);

	return 0;
	error:
	snd_card_free(card);
	return err;
	}

	static void oxfw_bus_reset(struct fw_unit *unit)
	{
	struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);

	fcp_bus_reset(oxfw->unit);

	mutex_lock(&oxfw->mutex);

	snd_oxfw_stream_update_simplex(oxfw, &oxfw->rx_stream);
	if (oxfw->has_output)
	snd_oxfw_stream_update_simplex(oxfw, &oxfw->tx_stream);

	mutex_unlock(&oxfw->mutex);
	}

	static void oxfw_remove(struct fw_unit *unit)
	{
	struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);

	/* No need to wait for releasing card object in this context. */
	snd_card_free_when_closed(oxfw->card);
	}

	static const struct device_info griffin_firewave = {
	.driver_name = "FireWave",
	.vendor_name = "Griffin",
	.model_name = "FireWave",
	.mixer_channels = 6,
	.mute_fb_id = 0x01,
	.volume_fb_id = 0x02,
	};

	static const struct device_info lacie_speakers = {
	.driver_name = "FWSpeakers",
	.vendor_name = "LaCie",
	.model_name = "FireWire Speakers",
	.mixer_channels = 1,
	.mute_fb_id = 0x01,
	.volume_fb_id = 0x01,
	};

	static const struct ieee1394_device_id oxfw_id_table[] = {
	{
	.match_flags = IEEE1394_MATCH_VENDOR_ID \|
	IEEE1394_MATCH_MODEL_ID \|
	IEEE1394_MATCH_SPECIFIER_ID \|
	IEEE1394_MATCH_VERSION,
	.vendor_id = VENDOR_GRIFFIN,
	.model_id = 0x00f970,
	.specifier_id = SPECIFIER_1394TA,
	.version = VERSION_AVC,
	.driver_data = (kernel_ulong_t)&griffin_firewave,
	},
	{
	.match_flags = IEEE1394_MATCH_VENDOR_ID \|
	IEEE1394_MATCH_MODEL_ID \|
	IEEE1394_MATCH_SPECIFIER_ID \|
	IEEE1394_MATCH_VERSION,
	.vendor_id = VENDOR_LACIE,
	.model_id = 0x00f970,
	.specifier_id = SPECIFIER_1394TA,
	.version = VERSION_AVC,
	.driver_data = (kernel_ulong_t)&lacie_speakers,
	},
	/* Behringer,F-Control Audio 202 */
	{
	.match_flags = IEEE1394_MATCH_VENDOR_ID \|
	IEEE1394_MATCH_MODEL_ID,
	.vendor_id = VENDOR_BEHRINGER,
	.model_id = 0x00fc22,
	},
	/*
	* Any Mackie(Loud) models (name string/model id):
	* Onyx-i series (former models): 0x081216
	* Mackie Onyx Satellite: 0x00200f
	* Tapco LINK.firewire 4x6: 0x000460
	* d.2 pro: Unknown
	* d.4 pro: Unknown
	* U.420: Unknown
	* U.420d: Unknown
	*/
	{
	.match_flags = IEEE1394_MATCH_VENDOR_ID \|
	IEEE1394_MATCH_SPECIFIER_ID \|
	IEEE1394_MATCH_VERSION,
	.vendor_id = VENDOR_LOUD,
	.specifier_id = SPECIFIER_1394TA,
	.version = VERSION_AVC,
	},
	/* TASCAM, FireOne */
	{
	.match_flags = IEEE1394_MATCH_VENDOR_ID \|
	IEEE1394_MATCH_MODEL_ID,
	.vendor_id = VENDOR_TASCAM,
	.model_id = 0x800007,
	},
	{ }
	};
	MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);

	static struct fw_driver oxfw_driver = {
	.driver = {
	.owner = THIS_MODULE,
	.name = KBUILD_MODNAME,
	.bus = &fw_bus_type,
	},
	.probe = oxfw_probe,
	.update = oxfw_bus_reset,
	.remove = oxfw_remove,
	.id_table = oxfw_id_table,
	};

	static int __init snd_oxfw_init(void)
	{
	return driver_register(&oxfw_driver.driver);
	}

	static void __exit snd_oxfw_exit(void)
	{
	driver_unregister(&oxfw_driver.driver);
	}

	module_init(snd_oxfw_init);
	module_exit(snd_oxfw_exit);