[mirror_ubuntu-zesty-kernel.git] / 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 */
Commit	Line	Data
3b098eb4 CG	1	#ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
3b098eb4 CG	2	#define _UAPI_SOUND_FIREWIRE_H_INCLUDED
82fbb4f7 CL	3
82fbb4f7 CL	4	#include <linux/ioctl.h>
555e8a8f	5	#include <linux/types.h>
82fbb4f7 CL	6
	7	/* events can be read() from the hwdep device */
	8
	9	#define SNDRV_FIREWIRE_EVENT_LOCK_STATUS 0x000010cc
	10	#define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION 0xd1ce004e
555e8a8f	11	#define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE 0x4e617475
44b73088	12	#define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE 0x746e736c
82fbb4f7 CL	13
	14	struct snd_firewire_event_common {
	15	unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
	16	};
	17
	18	struct snd_firewire_event_lock_status {
	19	unsigned int type;
	20	unsigned int status; /* 0/1 = unlocked/locked */
	21	};
	22
	23	struct snd_firewire_event_dice_notification {
	24	unsigned int type;
	25	unsigned int notification; /* DICE-specific bits */
	26	};
	27
555e8a8f TS	28	#define SND_EFW_TRANSACTION_USER_SEQNUM_MAX ((__u32)((__u16)~0) - 1)
	29	/* each field should be in big endian */
	30	struct snd_efw_transaction {
	31	__be32 length;
	32	__be32 version;
	33	__be32 seqnum;
	34	__be32 category;
	35	__be32 command;
	36	__be32 status;
	37	__be32 params[0];
	38	};
	39	struct snd_firewire_event_efw_response {
	40	unsigned int type;
	41	__be32 response[0]; /* some responses */
	42	};
	43
44b73088 TS	44	struct snd_firewire_event_digi00x_message {
	45	unsigned int type;
	46	__u32 message; /* Digi00x-specific message */
	47	};
	48
82fbb4f7 CL	49	union snd_firewire_event {
	50	struct snd_firewire_event_common common;
	51	struct snd_firewire_event_lock_status lock_status;
	52	struct snd_firewire_event_dice_notification dice_notification;
555e8a8f	53	struct snd_firewire_event_efw_response efw_response;
44b73088	54	struct snd_firewire_event_digi00x_message digi00x_message;
82fbb4f7 CL	55	};
	56
	57
	58	#define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
	59	#define SNDRV_FIREWIRE_IOCTL_LOCK _IO('H', 0xf9)
	60	#define SNDRV_FIREWIRE_IOCTL_UNLOCK _IO('H', 0xfa)
	61
	62	#define SNDRV_FIREWIRE_TYPE_DICE 1
594ddced	63	#define SNDRV_FIREWIRE_TYPE_FIREWORKS 2
618eabea	64	#define SNDRV_FIREWIRE_TYPE_BEBOB 3
8985f4ac	65	#define SNDRV_FIREWIRE_TYPE_OXFW 4
660dd3d5	66	#define SNDRV_FIREWIRE_TYPE_DIGI00X 5
e5e0c3dd	67	#define SNDRV_FIREWIRE_TYPE_TASCAM 6
8985f4ac	68	/* RME, MOTU, ... */
82fbb4f7 CL	69
	70	struct snd_firewire_get_info {
	71	unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
	72	unsigned int card; /* same as fw_cdev_get_info.card */
	73	unsigned char guid[8];
	74	char device_name[16]; /* device node in /dev */
	75	};
	76
	77	/*
	78	* SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
	79	* Returns -EBUSY if the driver is already streaming.
	80	*/
	81
3b098eb4	82	#endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */