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firewire.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SOUND_FIREWIRE_H_INCLUDED #define _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 #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479 #define SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL 0x7473636d 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 */ }; struct snd_firewire_event_motu_notification { unsigned int type; __u32 message; /* MOTU-specific bits. */ }; struct snd_firewire_tascam_change { unsigned int index; __be32 before; __be32 after; }; struct snd_firewire_event_tascam_control { unsigned int type; struct snd_firewire_tascam_change changes[0]; }; 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; struct snd_firewire_event_tascam_control tascam_control; struct snd_firewire_event_motu_notification motu_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_IOCTL_TASCAM_STATE _IOR('H', 0xfb, struct snd_firewire_tascam_state) #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 #define SNDRV_FIREWIRE_TYPE_MOTU 7 #define SNDRV_FIREWIRE_TYPE_FIREFACE 8 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. */ #define SNDRV_FIREWIRE_TASCAM_STATE_COUNT 64 struct snd_firewire_tascam_state { __be32 data[SNDRV_FIREWIRE_TASCAM_STATE_COUNT]; }; #endif /* _SOUND_FIREWIRE_H_INCLUDED */