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Name	Size	Permission
asequencer.h	21.34 KB	-rw-r--r--
asoc.h	19.27 KB	-rw-r--r--
asound.h	44.78 KB	-rw-r--r--
asound_fm.h	4.27 KB	-rw-r--r--
compress_offload.h	6.58 KB	-rw-r--r--
compress_params.h	16.59 KB	-rw-r--r--
emu10k1.h	16.84 KB	-rw-r--r--
firewire.h	2.63 KB	-rw-r--r--
hdsp.h	3.07 KB	-rw-r--r--
hdspm.h	5.36 KB	-rw-r--r--
sb16_csp.h	4.2 KB	-rw-r--r--
sfnt_info.h	7.32 KB	-rw-r--r--
snd_sst_tokens.h	11.3 KB	-rw-r--r--
tlv.h	3.95 KB	-rw-r--r--
usb_stream.h	1.89 KB	-rw-r--r--

Code Editor : firewire.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _SOUND_FIREWIRE_H_INCLUDED
#define _SOUND_FIREWIRE_H_INCLUDED

#include <linux/ioctl.h>
#include <linux/types.h>

/* events can be read() from the hwdep device */

#define SNDRV_FIREWIRE_EVENT_LOCK_STATUS	0x000010cc
#define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION	0xd1ce004e
#define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE	0x4e617475
#define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE	0x746e736c
#define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION	0x64776479

struct snd_firewire_event_common {
	unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
};

struct snd_firewire_event_lock_status {
	unsigned int type;
	unsigned int status; /* 0/1 = unlocked/locked */
};

struct snd_firewire_event_dice_notification {
	unsigned int type;
	unsigned int notification; /* DICE-specific bits */
};

#define SND_EFW_TRANSACTION_USER_SEQNUM_MAX	((__u32)((__u16)~0) - 1)
/* each field should be in big endian */
struct snd_efw_transaction {
	__be32 length;
	__be32 version;
	__be32 seqnum;
	__be32 category;
	__be32 command;
	__be32 status;
	__be32 params[0];
};
struct snd_firewire_event_efw_response {
	unsigned int type;
	__be32 response[0];	/* some responses */
};

struct snd_firewire_event_digi00x_message {
	unsigned int type;
	__u32 message;	/* Digi00x-specific message */
};

struct snd_firewire_event_motu_notification {
	unsigned int type;
	__u32 message;	/* MOTU-specific bits. */
};

union snd_firewire_event {
	struct snd_firewire_event_common            common;
	struct snd_firewire_event_lock_status       lock_status;
	struct snd_firewire_event_dice_notification dice_notification;
	struct snd_firewire_event_efw_response      efw_response;
	struct snd_firewire_event_digi00x_message   digi00x_message;
	struct snd_firewire_event_motu_notification motu_notification;
};

#define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
#define SNDRV_FIREWIRE_IOCTL_LOCK      _IO('H', 0xf9)
#define SNDRV_FIREWIRE_IOCTL_UNLOCK    _IO('H', 0xfa)

#define SNDRV_FIREWIRE_TYPE_DICE	1
#define SNDRV_FIREWIRE_TYPE_FIREWORKS	2
#define SNDRV_FIREWIRE_TYPE_BEBOB	3
#define SNDRV_FIREWIRE_TYPE_OXFW	4
#define SNDRV_FIREWIRE_TYPE_DIGI00X	5
#define SNDRV_FIREWIRE_TYPE_TASCAM	6
#define SNDRV_FIREWIRE_TYPE_MOTU	7
#define SNDRV_FIREWIRE_TYPE_FIREFACE	8

struct snd_firewire_get_info {
	unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
	unsigned int card; /* same as fw_cdev_get_info.card */
	unsigned char guid[8];
	char device_name[16]; /* device node in /dev */
};

/*
 * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
 * Returns -EBUSY if the driver is already streaming.
 */

#endif /* _SOUND_FIREWIRE_H_INCLUDED */

${this.title}

Code Editor : firewire.h