summaryrefslogtreecommitdiffstats
path: root/kernel/include/uapi/linux/iio
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/uapi/linux/iio')
-rw-r--r--kernel/include/uapi/linux/iio/Kbuild3
-rw-r--r--kernel/include/uapi/linux/iio/events.h42
-rw-r--r--kernel/include/uapi/linux/iio/types.h92
3 files changed, 137 insertions, 0 deletions
diff --git a/kernel/include/uapi/linux/iio/Kbuild b/kernel/include/uapi/linux/iio/Kbuild
new file mode 100644
index 000000000..86f76d84c
--- /dev/null
+++ b/kernel/include/uapi/linux/iio/Kbuild
@@ -0,0 +1,3 @@
+# UAPI Header export list
+header-y += events.h
+header-y += types.h
diff --git a/kernel/include/uapi/linux/iio/events.h b/kernel/include/uapi/linux/iio/events.h
new file mode 100644
index 000000000..00bbdaed2
--- /dev/null
+++ b/kernel/include/uapi/linux/iio/events.h
@@ -0,0 +1,42 @@
+/* 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 _UAPI_IIO_EVENTS_H_
+#define _UAPI_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 /* _UAPI_IIO_EVENTS_H_ */
diff --git a/kernel/include/uapi/linux/iio/types.h b/kernel/include/uapi/linux/iio/types.h
new file mode 100644
index 000000000..5c4601935
--- /dev/null
+++ b/kernel/include/uapi/linux/iio/types.h
@@ -0,0 +1,92 @@
+/* industrial I/O data types needed both in and out of kernel
+ *
+ * Copyright (c) 2008 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 _UAPI_IIO_TYPES_H_
+#define _UAPI_IIO_TYPES_H_
+
+enum iio_chan_type {
+ IIO_VOLTAGE,
+ IIO_CURRENT,
+ IIO_POWER,
+ IIO_ACCEL,
+ IIO_ANGL_VEL,
+ IIO_MAGN,
+ IIO_LIGHT,
+ IIO_INTENSITY,
+ IIO_PROXIMITY,
+ IIO_TEMP,
+ IIO_INCLI,
+ IIO_ROT,
+ IIO_ANGL,
+ IIO_TIMESTAMP,
+ IIO_CAPACITANCE,
+ IIO_ALTVOLTAGE,
+ IIO_CCT,
+ IIO_PRESSURE,
+ IIO_HUMIDITYRELATIVE,
+ IIO_ACTIVITY,
+ IIO_STEPS,
+ IIO_ENERGY,
+ IIO_DISTANCE,
+ IIO_VELOCITY,
+};
+
+enum iio_modifier {
+ IIO_NO_MOD,
+ IIO_MOD_X,
+ IIO_MOD_Y,
+ IIO_MOD_Z,
+ IIO_MOD_X_AND_Y,
+ IIO_MOD_X_AND_Z,
+ IIO_MOD_Y_AND_Z,
+ IIO_MOD_X_AND_Y_AND_Z,
+ IIO_MOD_X_OR_Y,
+ IIO_MOD_X_OR_Z,
+ IIO_MOD_Y_OR_Z,
+ IIO_MOD_X_OR_Y_OR_Z,
+ IIO_MOD_LIGHT_BOTH,
+ IIO_MOD_LIGHT_IR,
+ IIO_MOD_ROOT_SUM_SQUARED_X_Y,
+ IIO_MOD_SUM_SQUARED_X_Y_Z,
+ IIO_MOD_LIGHT_CLEAR,
+ IIO_MOD_LIGHT_RED,
+ IIO_MOD_LIGHT_GREEN,
+ IIO_MOD_LIGHT_BLUE,
+ IIO_MOD_QUATERNION,
+ IIO_MOD_TEMP_AMBIENT,
+ IIO_MOD_TEMP_OBJECT,
+ IIO_MOD_NORTH_MAGN,
+ IIO_MOD_NORTH_TRUE,
+ IIO_MOD_NORTH_MAGN_TILT_COMP,
+ IIO_MOD_NORTH_TRUE_TILT_COMP,
+ IIO_MOD_RUNNING,
+ IIO_MOD_JOGGING,
+ IIO_MOD_WALKING,
+ IIO_MOD_STILL,
+ IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z,
+};
+
+enum iio_event_type {
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_TYPE_MAG,
+ IIO_EV_TYPE_ROC,
+ IIO_EV_TYPE_THRESH_ADAPTIVE,
+ IIO_EV_TYPE_MAG_ADAPTIVE,
+ IIO_EV_TYPE_CHANGE,
+};
+
+enum iio_event_direction {
+ IIO_EV_DIR_EITHER,
+ IIO_EV_DIR_RISING,
+ IIO_EV_DIR_FALLING,
+ IIO_EV_DIR_NONE,
+};
+
+#endif /* _UAPI_IIO_TYPES_H_ */
+