ALSA: fireworks: Add skelton for Fireworks based devices (b5b04336) · Commits · e / devices / android_kernel_fairphone_FP5

sound/firewire/Kconfig

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		@@ -61,4 +61,18 @@ config SND_SCS1X
		To compile this driver as a module, choose M here: the module
		will be called snd-scs1x.

		config SND_FIREWORKS
		tristate "Echo Fireworks board module support"
		help
		Say Y here to include support for FireWire devices based
		on Echo Digital Audio Fireworks board:
		* Mackie Onyx 400F/1200F
		* Echo AudioFire12/8(until 2009 July)
		* Echo AudioFire2/4/Pre8/8(since 2009 July)
		* Echo Fireworks 8/HDMI
		* Gibson Robot Interface Pack/GoldTop

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

		endif # SND_FIREWIRE

sound/firewire/Makefile

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		@@ -10,3 +10,4 @@ obj-$(CONFIG_SND_DICE) += snd-dice.o
		obj-$(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/

sound/firewire/fireworks/Makefile

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

sound/firewire/fireworks/fireworks.c

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		/*
		* fireworks.c - a part of driver for Fireworks based devices
		*
		* Copyright (c) 2009-2010 Clemens Ladisch
		* Copyright (c) 2013-2014 Takashi Sakamoto
		*
		* Licensed under the terms of the GNU General Public License, version 2.
		*/

		/*
		* Fireworks is a board module which Echo Audio produced. This module consists
		* of three chipsets:
		* - Communication chipset for IEEE1394 PHY/Link and IEC 61883-1/6
		* - DSP or/and FPGA for signal processing
		* - Flash Memory to store firmwares
		*/

		#include "fireworks.h"

		MODULE_DESCRIPTION("Echo Fireworks 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 Fireworks sound card");

		static DEFINE_MUTEX(devices_mutex);
		static DECLARE_BITMAP(devices_used, SNDRV_CARDS);

		#define VENDOR_LOUD 0x000ff2
		#define MODEL_MACKIE_400F 0x00400f
		#define MODEL_MACKIE_1200F 0x01200f

		#define VENDOR_ECHO 0x001486
		#define MODEL_ECHO_AUDIOFIRE_12 0x00af12
		#define MODEL_ECHO_AUDIOFIRE_12HD 0x0af12d
		#define MODEL_ECHO_AUDIOFIRE_12_APPLE 0x0af12a
		/* This is applied for AudioFire8 (until 2009 July) */
		#define MODEL_ECHO_AUDIOFIRE_8 0x000af8
		#define MODEL_ECHO_AUDIOFIRE_2 0x000af2
		#define MODEL_ECHO_AUDIOFIRE_4 0x000af4
		/* AudioFire9 is applied for AudioFire8(since 2009 July) and AudioFirePre8 */
		#define MODEL_ECHO_AUDIOFIRE_9 0x000af9
		/* unknown as product */
		#define MODEL_ECHO_FIREWORKS_8 0x0000f8
		#define MODEL_ECHO_FIREWORKS_HDMI 0x00afd1

		#define VENDOR_GIBSON 0x00075b
		/* for Robot Interface Pack of Dark Fire, Dusk Tiger, Les Paul Standard 2010 */
		#define MODEL_GIBSON_RIP 0x00afb2
		/* unknown as product */
		#define MODEL_GIBSON_GOLDTOP 0x00afb9

		static void
		efw_card_free(struct snd_card *card)
		{
		struct snd_efw *efw = card->private_data;

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

		mutex_destroy(&efw->mutex);
		}

		static int
		efw_probe(struct fw_unit *unit,
		const struct ieee1394_device_id *entry)
		{
		struct snd_card *card;
		struct snd_efw *efw;
		int card_index, err;

		mutex_lock(&devices_mutex);

		/* check registered cards */
		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_efw), &card);
		if (err < 0)
		goto end;
		efw = card->private_data;
		efw->card_index = card_index;
		set_bit(card_index, devices_used);
		card->private_free = efw_card_free;

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

		strcpy(efw->card->driver, "Fireworks");
		strcpy(efw->card->shortname, efw->card->driver);
		strcpy(efw->card->longname, efw->card->driver);
		strcpy(efw->card->mixername, efw->card->driver);

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

		static void efw_update(struct fw_unit *unit)
		{
		return;
		}

		static void efw_remove(struct fw_unit *unit)
		{
		struct snd_efw *efw = dev_get_drvdata(&unit->device);
		snd_card_disconnect(efw->card);
		snd_card_free_when_closed(efw->card);
		}

		static const struct ieee1394_device_id efw_id_table[] = {
		SND_EFW_DEV_ENTRY(VENDOR_LOUD, MODEL_MACKIE_400F),
		SND_EFW_DEV_ENTRY(VENDOR_LOUD, MODEL_MACKIE_1200F),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_8),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12HD),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12_APPLE),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_2),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_4),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_9),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_FIREWORKS_8),
		SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_FIREWORKS_HDMI),
		SND_EFW_DEV_ENTRY(VENDOR_GIBSON, MODEL_GIBSON_RIP),
		SND_EFW_DEV_ENTRY(VENDOR_GIBSON, MODEL_GIBSON_GOLDTOP),
		{}
		};
		MODULE_DEVICE_TABLE(ieee1394, efw_id_table);

		static struct fw_driver efw_driver = {
		.driver = {
		.owner = THIS_MODULE,
		.name = "snd-fireworks",
		.bus = &fw_bus_type,
		},
		.probe = efw_probe,
		.update = efw_update,
		.remove = efw_remove,
		.id_table = efw_id_table,
		};

		static int __init snd_efw_init(void)
		{
		return driver_register(&efw_driver.driver);
		}

		static void __exit snd_efw_exit(void)
		{
		driver_unregister(&efw_driver.driver);
		mutex_destroy(&devices_mutex);
		}

		module_init(snd_efw_init);
		module_exit(snd_efw_exit);

sound/firewire/fireworks/fireworks.h

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		/*
		* fireworks.h - a part of driver for Fireworks based devices
		*
		* Copyright (c) 2009-2010 Clemens Ladisch
		* Copyright (c) 2013-2014 Takashi Sakamoto
		*
		* Licensed under the terms of the GNU General Public License, version 2.
		*/
		#ifndef SOUND_FIREWORKS_H_INCLUDED
		#define SOUND_FIREWORKS_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>

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

		struct mutex mutex;
		spinlock_t lock;
		};

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

		#endif