cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / iio / events.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/iio/events.h b/i686-linux-gnu-4.7/usr/include/linux/iio/events.h
new file mode 100644 (file)
index 0000000..9a0f03b
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/iio/events.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* The industrial I/O - event passing to userspace
+ *
+ * Copyright (c) 2008-2011 Jonathan Cameron
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#ifndef _IIO_EVENTS_H_
+#define _IIO_EVENTS_H_
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/**
+ * struct iio_event_data - The actual event being pushed to userspace
+ * @id:                event identifier
+ * @timestamp: best estimate of time of event occurrence (often from
+ *             the interrupt handler)
+ */
+struct iio_event_data {
+       __u64   id;
+       __s64   timestamp;
+};
+
+#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)
+
+#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
+
+#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
+
+#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
+
+/* Event code number extraction depends on which type of event we have.
+ * Perhaps review this function in the future*/
+#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF))
+#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF))
+
+#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)
+#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)
+
+#endif /* _IIO_EVENTS_H_ */