cregit-Linux how code gets into the kernel

Release 4.7 include/uapi/sound/firewire.h

#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


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 */
};


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;
};



#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

#define SNDRV_FIREWIRE_TYPE_OXFW	4

#define SNDRV_FIREWIRE_TYPE_DIGI00X	5

#define SNDRV_FIREWIRE_TYPE_TASCAM	6
/* 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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
clemens ladischclemens ladisch11952.89%111.11%
takashi sakamototakashi sakamoto10345.78%777.78%
chen gangchen gang31.33%111.11%
Total225100.00%9100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}