diff options
Diffstat (limited to 'include/uapi/sound')
| -rw-r--r-- | include/uapi/sound/firewire.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/uapi/sound/firewire.h b/include/uapi/sound/firewire.h index fc9afb261989..bfc0e23e47a2 100644 --- a/include/uapi/sound/firewire.h +++ b/include/uapi/sound/firewire.h @@ -2,11 +2,13 @@ #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 struct snd_firewire_event_common { unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */ @@ -22,10 +24,27 @@ struct snd_firewire_event_dice_notification { 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 */ +}; + 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; }; |