Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / iio / events.h

diff --git a/kernel/include/linux/iio/events.h b/kernel/include/linux/iio/events.h
new file mode 100644 (file)
index 0000000..8ad87d1
--- /dev/null
+++ b/kernel/include/linux/iio/events.h
@@ -0,0 +1,59 @@
+/* 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/iio/types.h>
+#include <uapi/linux/iio/events.h>
+
+/**
+ * IIO_EVENT_CODE() - create event identifier
+ * @chan_type: Type of the channel. Should be one of enum iio_chan_type.
+ * @diff:      Whether the event is for an differential channel or not.
+ * @modifier:  Modifier for the channel. Should be one of enum iio_modifier.
+ * @direction: Direction of the event. One of enum iio_event_direction.
+ * @type:      Type of the event. Should be one of enum iio_event_type.
+ * @chan:      Channel number for non-differential channels.
+ * @chan1:     First channel number for differential channels.
+ * @chan2:     Second channel number for differential channels.
+ */
+
+#define IIO_EVENT_CODE(chan_type, diff, modifier, direction,           \
+                      type, chan, chan1, chan2)                        \
+       (((u64)type << 56) | ((u64)diff << 55) |                        \
+        ((u64)direction << 48) | ((u64)modifier << 40) |               \
+        ((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \
+        ((u16)chan))
+
+
+/**
+ * IIO_MOD_EVENT_CODE() - create event identifier for modified channels
+ * @chan_type: Type of the channel. Should be one of enum iio_chan_type.
+ * @number:    Channel number.
+ * @modifier:  Modifier for the channel. Should be one of enum iio_modifier.
+ * @type:      Type of the event. Should be one of enum iio_event_type.
+ * @direction: Direction of the event. One of enum iio_event_direction.
+ */
+
+#define IIO_MOD_EVENT_CODE(chan_type, number, modifier,                \
+                          type, direction)                             \
+       IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0)
+
+/**
+ * IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels
+ * @chan_type: Type of the channel. Should be one of enum iio_chan_type.
+ * @number:    Channel number.
+ * @type:      Type of the event. Should be one of enum iio_event_type.
+ * @direction: Direction of the event. One of enum iio_event_direction.
+ */
+
+#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction)       \
+       IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0)
+
+#endif