From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- include/uapi/sound/firewire.h | 91 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 include/uapi/sound/firewire.h (limited to 'include/uapi/sound/firewire.h') diff --git a/include/uapi/sound/firewire.h b/include/uapi/sound/firewire.h new file mode 100644 index 000000000..f0a547d86 --- /dev/null +++ b/include/uapi/sound/firewire.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED +#define _UAPI_SOUND_FIREWIRE_H_INCLUDED + +#include +#include + +/* 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 + +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. */ +}; + +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_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_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. + */ + +#endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */ -- cgit v1.2.3