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-rw-r--r--include/uapi/sound/firewire.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/uapi/sound/firewire.h b/include/uapi/sound/firewire.h
new file mode 100644
index 000000000000..59f5961302bf
--- /dev/null
+++ b/include/uapi/sound/firewire.h
@@ -0,0 +1,51 @@
+#ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
+#define _UAPI_SOUND_FIREWIRE_H_INCLUDED
+
+#include <linux/ioctl.h>
+
+/* events can be read() from the hwdep device */
+
+#define SNDRV_FIREWIRE_EVENT_LOCK_STATUS 0x000010cc
+#define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION 0xd1ce004e
+
+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 */
+};
+
+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;
+};
+
+
+#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
+/* Fireworks, AV/C, 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 */