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Commit 293487c8 authored by Daniel Baluta's avatar Daniel Baluta Committed by Jonathan Cameron
Browse files

iio: Export userspace IIO headers 

After UAPI header file split [1] all user-kernel interfaces were
placed under include/uapi/.

This patch moves IIO user specific API from:
	* include/linux/iio/events.h => include/uapi/linux/iio/events.h
	* include/linux/types.h => include/uapi/linux/types.h

Now there is no need for nasty tricks to compile userspace programs
(e.g iio_event_monitor). Just installing the kernel headers with
make headers_install command does the job.

[1] http://lwn.net/Articles/507794/



Signed-off-by: default avatarDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent e257a16e

include/linux/iio/events.h

+1 −29
Original line number Diff line number Diff line
@@ -9,22 +9,8 @@ 
#ifndef _IIO_EVENTS_H_

#define _IIO_EVENTS_H_



#include <linux/ioctl.h>

#include <linux/types.h>

#include <linux/iio/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)

#include <uapi/linux/iio/events.h>



/**

 * IIO_EVENT_CODE() - create event identifier
@@ -70,18 +56,4 @@ struct iio_event_data { 
#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction)	\

	IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0)



#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

include/linux/iio/types.h

+1 −77
Original line number Diff line number Diff line
@@ -10,76 +10,7 @@ 
#ifndef _IIO_TYPES_H_

#define _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,

};

#include <uapi/linux/iio/types.h>



enum iio_event_info {

	IIO_EV_INFO_ENABLE,
@@ -88,13 +19,6 @@ enum iio_event_info { 
	IIO_EV_INFO_PERIOD,

};



enum iio_event_direction {

	IIO_EV_DIR_EITHER,

	IIO_EV_DIR_RISING,

	IIO_EV_DIR_FALLING,

	IIO_EV_DIR_NONE,

};



#define IIO_VAL_INT 1

#define IIO_VAL_INT_PLUS_MICRO 2

#define IIO_VAL_INT_PLUS_NANO 3

include/uapi/linux/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ header-y += caif/ 
header-y += dvb/

header-y += hdlc/

header-y += hsi/

header-y += iio/

header-y += isdn/

header-y += mmc/

header-y += nfsd/

include/uapi/linux/iio/Kbuild

0 → 100644
+3 −0
Original line number Diff line number Diff line 
# UAPI Header export list

header-y += events.h

header-y += types.h

include/uapi/linux/iio/events.h

0 → 100644
+42 −0
Original line number Diff line number Diff line 
/* 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_ */