#ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
#define _UAPI_SOUND_FIREWIRE_H_INCLUDED

#include <linux/ioctl.h>

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

#define SNDRV_FIREWIRE_EVENT_LOCK_STATUS 0x000010cc
#define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION 0xd1ce004e

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 */
};

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;
};


#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
/* Fireworks, AV/C, RME, MOTU, ... */

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 /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */