73 lines
2.0 KiB
C
Executable File
73 lines
2.0 KiB
C
Executable File
#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
|
|
|
|
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 */
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
|
|
#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
|
|
/* 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 */
|