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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
#define _UAPI_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
#define SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL 0x7473636d
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. */
};
struct snd_firewire_tascam_change {
unsigned int index;
__be32 before;
__be32 after;
};
struct snd_firewire_event_tascam_control {
unsigned int type;
struct snd_firewire_tascam_change changes[0];
};
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_tascam_control tascam_control;
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_IOCTL_TASCAM_STATE _IOR('H', 0xfb, struct snd_firewire_tascam_state)
#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.
*/
#define SNDRV_FIREWIRE_TASCAM_STATE_COUNT 64
struct snd_firewire_tascam_state {
__be32 data[SNDRV_FIREWIRE_TASCAM_STATE_COUNT];
};
#endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */
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