#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 */