ALSA: bebob: Add skelton for BeBoB based devices (fd6f4b0d) · Commits · e / devices / android_kernel_fairphone_FP5

sound/firewire/Kconfig

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Original line number	Diff line number	Diff line
		@@ -79,4 +79,34 @@ config SND_FIREWORKS
		To compile this driver as a module, choose M here: the module
		will be called snd-fireworks.

		config SND_BEBOB
		tristate "BridgeCo DM1000/DM1100/DM1500 with BeBoB firmware"
		select SND_FIREWIRE_LIB
		help
		Say Y here to include support for FireWire devices based
		on BridgeCo DM1000/DM1100/DM1500 with BeBoB firmware:
		* Edirol FA-66/FA-101
		* PreSonus FIREBOX/FIREPOD/FP10/Inspire1394
		* BridgeCo RDAudio1/Audio5
		* Mackie Onyx 1220/1620/1640 (Firewire I/O Card)
		* Mackie d.2 (Firewire Option)
		* Stanton FinalScratch 2 (ScratchAmp)
		* Tascam IF-FW/DM
		* Behringer XENIX UFX 1204/1604
		* Behringer Digital Mixer X32 series (X-UF Card)
		* Apogee Rosetta 200/400 (X-FireWire card)
		* Apogee DA/AD/DD-16X (X-FireWire card)
		* Apogee Ensemble
		* ESI Quotafire610
		* AcousticReality eARMasterOne
		* CME MatrixKFW
		* Phonic Helix Board 12 MkII/18 MkII/24 MkII
		* Phonic Helix Board 12 Universal/18 Universal/24 Universal
		* Lynx Aurora 8/16 (LT-FW)
		* ICON FireXon
		* PrismSound Orpheus/ADA-8XR

		To compile this driver as a module, choose M here: the module
		will be called snd-bebob.

		endif # SND_FIREWIRE

sound/firewire/Makefile

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		@@ -11,3 +11,4 @@ obj-$(CONFIG_SND_FIREWIRE_SPEAKERS) += snd-firewire-speakers.o
		obj-$(CONFIG_SND_ISIGHT) += snd-isight.o
		obj-$(CONFIG_SND_SCS1X) += snd-scs1x.o
		obj-$(CONFIG_SND_FIREWORKS) += fireworks/
		obj-$(CONFIG_SND_BEBOB) += bebob/

sound/firewire/bebob/Makefile

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		snd-bebob-objs := bebob.o
		obj-m += snd-bebob.o

sound/firewire/bebob/bebob.c

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Original line number	Diff line number	Diff line
		/*
		* 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_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_MACKIE 0x0000000f
		#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

		static int
		name_device(struct snd_bebob *bebob, unsigned int vendor_id)
		{
		struct fw_device *fw_dev = fw_parent_device(bebob->unit);
		char vendor[24] = {0};
		char model[32] = {0};
		u32 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,
		&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, 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;

		if (bebob->card_index >= 0) {
		mutex_lock(&devices_mutex);
		clear_bit(bebob->card_index, devices_used);
		mutex_unlock(&devices_mutex);
		}

		mutex_destroy(&bebob->mutex);
		}

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

		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) {
		err = -ENOENT;
		goto end;
		}

		err = snd_card_new(&unit->device, index[card_index], id[card_index],
		THIS_MODULE, sizeof(struct snd_bebob), &card);
		if (err < 0)
		goto end;
		bebob = card->private_data;
		bebob->card_index = card_index;
		set_bit(card_index, devices_used);
		card->private_free = bebob_card_free;

		bebob->card = card;
		bebob->unit = unit;
		mutex_init(&bebob->mutex);
		spin_lock_init(&bebob->lock);

		err = name_device(bebob, entry->vendor_id);
		if (err < 0)
		goto error;

		err = snd_card_register(card);
		if (err < 0)
		goto error;
		dev_set_drvdata(&unit->device, bebob);
		end:
		mutex_unlock(&devices_mutex);
		return err;
		error:
		mutex_unlock(&devices_mutex);
		snd_card_free(card);
		return err;
		}

		static void
		bebob_update(struct fw_unit *unit)
		{
		struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
		fcp_bus_reset(bebob->unit);
		}

		static void bebob_remove(struct fw_unit *unit)
		{
		struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
		snd_card_disconnect(bebob->card);
		snd_card_free_when_closed(bebob->card);
		}

		static const struct ieee1394_device_id bebob_id_table[] = {
		/* Edirol, FA-66 */
		SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049),
		/* Edirol, FA-101 */
		SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048),
		/* Presonus, FIREBOX */
		SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000),
		/* PreSonus, FIREPOD/FP10 */
		SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066),
		/* PreSonus, Inspire1394 */
		SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001),
		/* BridgeCo, RDAudio1 */
		SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048),
		/* BridgeCo, Audio5 */
		SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049),
		/* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */
		SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010065),
		/* Mackie, d.2 (Firewire Option) */
		SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010067),
		/* Stanton, ScratchAmp */
		SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001),
		/* Tascam, IF-FW DM */
		SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067),
		/* Behringer, XENIX UFX 1204 */
		SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204),
		/* Behringer, XENIX UFX 1604 */
		SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604),
		/* Behringer, Digital Mixer X32 series (X-UF Card) */
		SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006),
		/* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */
		/* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */
		SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048),
		/* Apogee Electronics, Ensemble */
		SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00001eee),
		/* ESI, Quatafire610 */
		SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064),
		/* AcousticReality, eARMasterOne */
		SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002),
		/* CME, MatrixKFW */
		SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000),
		/* Phonic, Helix Board 12 MkII */
		SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000),
		/* Phonic, Helix Board 18 MkII */
		SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000),
		/* Phonic, Helix Board 24 MkII */
		SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000),
		/* Phonic, Helix Board 12 Universal/18 Universal/24 Universal */
		SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000),
		/* Lynx, Aurora 8/16 (LT-FW) */
		SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001),
		/* ICON, FireXon */
		SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001),
		/* PrismSound, Orpheus */
		SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048),
		/* PrismSound, ADA-8XR */
		SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8),
		/* IDs are unknown but able to be supported */
		/* Apogee, Mini-ME Firewire */
		/* Apogee, Mini-DAC Firewire */
		/* Behringer, F-Control Audio 1616 */
		/* Behringer, F-Control Audio 610 */
		/* 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);
		mutex_destroy(&devices_mutex);
		}

		module_init(snd_bebob_init);
		module_exit(snd_bebob_exit);

sound/firewire/bebob/bebob.h

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		/*
		* bebob.h - 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.
		*/

		#ifndef SOUND_BEBOB_H_INCLUDED
		#define SOUND_BEBOB_H_INCLUDED

		#include <linux/compat.h>
		#include <linux/device.h>
		#include <linux/firewire.h>
		#include <linux/firewire-constants.h>
		#include <linux/module.h>
		#include <linux/mod_devicetable.h>
		#include <linux/delay.h>
		#include <linux/slab.h>

		#include <sound/core.h>
		#include <sound/initval.h>

		#include "../lib.h"
		#include "../fcp.h"

		/* basic register addresses on DM1000/DM1100/DM1500 */
		#define BEBOB_ADDR_REG_INFO 0xffffc8020000
		#define BEBOB_ADDR_REG_REQ 0xffffc8021000

		struct snd_bebob {
		struct snd_card *card;
		struct fw_unit *unit;
		int card_index;

		struct mutex mutex;
		spinlock_t lock;
		};

		static inline int
		snd_bebob_read_block(struct fw_unit unit, u64 addr, void buf, int size)
		{
		return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
		BEBOB_ADDR_REG_INFO + addr,
		buf, size, 0);
		}

		static inline int
		snd_bebob_read_quad(struct fw_unit unit, u64 addr, u32 buf)
		{
		return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
		BEBOB_ADDR_REG_INFO + addr,
		(void *)buf, sizeof(u32), 0);
		}

		#define SND_BEBOB_DEV_ENTRY(vendor, model) \
		{ \
		.match_flags = IEEE1394_MATCH_VENDOR_ID \| \
		IEEE1394_MATCH_MODEL_ID, \
		.vendor_id = vendor, \
		.model_id = model, \
		}

		#endif