92 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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| #ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
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| #define _UAPI_SOUND_FIREWIRE_H_INCLUDED
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| 
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| #include <linux/ioctl.h>
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| #include <linux/types.h>
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| 
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| /* events can be read() from the hwdep device */
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| 
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| #define SNDRV_FIREWIRE_EVENT_LOCK_STATUS	0x000010cc
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| #define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION	0xd1ce004e
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| #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE	0x4e617475
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| #define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE	0x746e736c
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| #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION	0x64776479
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| 
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| struct snd_firewire_event_common {
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| 	unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
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| };
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| 
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| struct snd_firewire_event_lock_status {
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| 	unsigned int type;
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| 	unsigned int status; /* 0/1 = unlocked/locked */
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| };
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| 
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| struct snd_firewire_event_dice_notification {
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| 	unsigned int type;
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| 	unsigned int notification; /* DICE-specific bits */
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| };
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| 
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| #define SND_EFW_TRANSACTION_USER_SEQNUM_MAX	((__u32)((__u16)~0) - 1)
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| /* each field should be in big endian */
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| struct snd_efw_transaction {
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| 	__be32 length;
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| 	__be32 version;
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| 	__be32 seqnum;
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| 	__be32 category;
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| 	__be32 command;
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| 	__be32 status;
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| 	__be32 params[0];
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| };
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| struct snd_firewire_event_efw_response {
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| 	unsigned int type;
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| 	__be32 response[0];	/* some responses */
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| };
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| 
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| struct snd_firewire_event_digi00x_message {
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| 	unsigned int type;
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| 	__u32 message;	/* Digi00x-specific message */
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| };
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| 
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| struct snd_firewire_event_motu_notification {
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| 	unsigned int type;
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| 	__u32 message;	/* MOTU-specific bits. */
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| };
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| 
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| union snd_firewire_event {
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| 	struct snd_firewire_event_common            common;
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| 	struct snd_firewire_event_lock_status       lock_status;
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| 	struct snd_firewire_event_dice_notification dice_notification;
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| 	struct snd_firewire_event_efw_response      efw_response;
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| 	struct snd_firewire_event_digi00x_message   digi00x_message;
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| 	struct snd_firewire_event_motu_notification motu_notification;
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| };
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| 
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| 
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| #define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
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| #define SNDRV_FIREWIRE_IOCTL_LOCK      _IO('H', 0xf9)
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| #define SNDRV_FIREWIRE_IOCTL_UNLOCK    _IO('H', 0xfa)
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| 
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| #define SNDRV_FIREWIRE_TYPE_DICE	1
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| #define SNDRV_FIREWIRE_TYPE_FIREWORKS	2
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| #define SNDRV_FIREWIRE_TYPE_BEBOB	3
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| #define SNDRV_FIREWIRE_TYPE_OXFW	4
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| #define SNDRV_FIREWIRE_TYPE_DIGI00X	5
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| #define SNDRV_FIREWIRE_TYPE_TASCAM	6
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| #define SNDRV_FIREWIRE_TYPE_MOTU	7
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| #define SNDRV_FIREWIRE_TYPE_FIREFACE	8
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| 
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| struct snd_firewire_get_info {
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| 	unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
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| 	unsigned int card; /* same as fw_cdev_get_info.card */
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| 	unsigned char guid[8];
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| 	char device_name[16]; /* device node in /dev */
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| };
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| 
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| /*
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|  * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
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|  * Returns -EBUSY if the driver is already streaming.
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|  */
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| 
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| #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */
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