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#ifndef _SOUND_FIREWIRE_H_INCLUDED

#define _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 /* _SOUND_FIREWIRE_H_INCLUDED */