iio_adar300x.c File Reference

Implementation of the ADAR300X IIO driver. More...

#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "iio_adar300x.h"
#include "no_os_alloc.h"
#include "no_os_util.h"

Include dependency graph for iio_adar300x.c:

Macros
#define	ADAR300X_IIO_BEAMSTATE_CHANNELS
#define	ADAR300X_IIO_BEAM_SCAN_MSK(beam)
#define	ADAR300X_IIO_DELAY_SCALE_NUM   865
#define	ADAR300X_IIO_DELAY_SCALE_DEN   1000
#define	ADAR300X_IIO_ATTEN_SCALE_NUM   1
#define	ADAR300X_IIO_ATTEN_SCALE_DEN   2
#define	ADAR300X_IIO_AMP_PRIV(element, state, idx)
#define	ADAR300X_IIO_AMP_IS_ELEMENT(priv)
#define	ADAR300X_IIO_AMP_STATE(priv)
#define	ADAR300X_IIO_AMP_INDEX(priv)
#define	ADAR300X_IIO_VALUE_CH(_type, _beam, _el, _param)
#define	ADAR300X_IIO_ELEMENT_CHS(_beam, _el)
#define	ADAR300X_IIO_BEAM_CHS(_beam)
#define	ADAR300X_IIO_BEAM_ATTR(_beam, _suffix, _show, _store)
#define	ADAR300X_IIO_BEAM_ATTRS(_beam)
#define	ADAR300X_IIO_AMP_ATTR(_bank, _idx, _field, _state_name, _el, _state)
#define	ADAR300X_IIO_AMP_ATTRS(_bank, _idx, _state_name, _el, _state)
#define	ADAR300X_IIO_BEAM_AMP_ATTRS(_beam)
#define	ADAR300X_IIO_ELEMENT_AMP_ATTRS(_el)

Functions
int	adar300x_iio_init (struct adar300x_iio_dev **iio_dev, struct adar300x_iio_dev_init_param *init_param)
	Initializes the ADAR300X IIO device.
int	adar300x_iio_remove (struct adar300x_iio_dev *desc)
	Frees the resources allocated by adar300x_iio_init().

Detailed Description

Implementation of the ADAR300X IIO driver.

Author

Stefan Popa (stefa.nosp@m.n.po.nosp@m.pa@an.nosp@m.alog.nosp@m..com)

Copyright 2026(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

ADAR300X_IIO_AMP_ATTR

#define ADAR300X_IIO_AMP_ATTR	(		_bank,
			_idx,
			_field,
			_state_name,
			_el,
			_state )

Value:

    { \
    .name = #_bank #_idx "_amp_" #_field "_" _state_name,       \
    .priv = ADAR300X_IIO_AMP_PRIV(_el, _state, _idx),      \
    .show = adar300x_iio_show_amp_##_field,             \
    .store = adar300x_iio_store_amp_##_field,           \
}

ADAR300X_IIO_AMP_ATTRS

#define ADAR300X_IIO_AMP_ATTRS	(		_bank,
			_idx,
			_state_name,
			_el,
			_state )

Value:

    ADAR300X_IIO_AMP_ATTR(_bank, _idx, bias, _state_name, _el, _state), \
    ADAR300X_IIO_AMP_ATTR(_bank, _idx, en, _state_name, _el, _state)

ADAR300X_IIO_AMP_INDEX

#define ADAR300X_IIO_AMP_INDEX

(

priv

)

Value:

((priv) & 0xF)

ADAR300X_IIO_AMP_IS_ELEMENT

#define ADAR300X_IIO_AMP_IS_ELEMENT

(

priv

)

Value:

((priv) >> 8)

ADAR300X_IIO_AMP_PRIV

#define ADAR300X_IIO_AMP_PRIV	(		element,
			state,
			idx )

Value:

    ((element) << 8 | (state) << 4 | (idx))

ADAR300X_IIO_AMP_STATE

#define ADAR300X_IIO_AMP_STATE

(

priv

)

Value:

(((priv) >> 4) & 0xF)

ADAR300X_IIO_ATTEN_SCALE_DEN

#define ADAR300X_IIO_ATTEN_SCALE_DEN   2

ADAR300X_IIO_ATTEN_SCALE_NUM

#define ADAR300X_IIO_ATTEN_SCALE_NUM   1

ADAR300X_IIO_BEAM_AMP_ATTRS

#define ADAR300X_IIO_BEAM_AMP_ATTRS

(

_beam

)

Value:

    ADAR300X_IIO_AMP_ATTRS(beam, _beam, "reset", 0,           \
                   ADAR300X_BEAM_AMP_RESET),     \
    ADAR300X_IIO_AMP_ATTRS(beam, _beam, "operational", 0,       \
                   ADAR300X_BEAM_AMP_OPERATIONAL),     \
    ADAR300X_IIO_AMP_ATTRS(beam, _beam, "mute", 0,          \
                   ADAR300X_BEAM_AMP_MUTE),           \
    ADAR300X_IIO_AMP_ATTRS(beam, _beam, "sleep", 0,         \
                   ADAR300X_BEAM_AMP_SLEEP)

ADAR300X_IIO_BEAM_ATTR

#define ADAR300X_IIO_BEAM_ATTR	(		_beam,
			_suffix,
			_show,
			_store )

Value:

    {       \
    .name = "beam" #_beam "_" _suffix,              \
    .priv = _beam,                          \
    .show = _show,                          \
    .store = _store,                        \
}

ADAR300X_IIO_BEAM_ATTRS

#define ADAR300X_IIO_BEAM_ATTRS

(

_beam

)

Value:

    ADAR300X_IIO_BEAM_ATTR(_beam, "mode", adar300x_iio_show_mode, \
                   adar300x_iio_store_mode),        \
    ADAR300X_IIO_BEAM_ATTR(_beam, "mode_available",         \
                   adar300x_iio_show_modes, NULL),      \
    ADAR300X_IIO_BEAM_ATTR(_beam, "update",             \
                   adar300x_iio_show_update,        \
                   adar300x_iio_store_update),      \
    ADAR300X_IIO_BEAM_ATTR(_beam, "load_mode",          \
                   adar300x_iio_show_load_mode,     \
                   adar300x_iio_store_load_mode),       \
    ADAR300X_IIO_BEAM_ATTR(_beam, "load_mode_available",        \
                   adar300x_iio_show_modes, NULL),      \
    ADAR300X_IIO_BEAM_ATTR(_beam, "ram_index",          \
                   adar300x_iio_show_ram_index,     \
                   adar300x_iio_store_ram_index),       \
    ADAR300X_IIO_BEAM_ATTR(_beam, "ram_start",          \
                   adar300x_iio_show_ram_start,     \
                   adar300x_iio_store_ram_start),       \
    ADAR300X_IIO_BEAM_ATTR(_beam, "ram_stop",           \
                   adar300x_iio_show_ram_stop,      \
                   adar300x_iio_store_ram_stop),        \
    ADAR300X_IIO_BEAM_ATTR(_beam, "fifo_rd",            \
                   adar300x_iio_show_fifo_rd, NULL),    \
    ADAR300X_IIO_BEAM_ATTR(_beam, "fifo_wr",            \
                   adar300x_iio_show_fifo_wr, NULL)

ADAR300X_IIO_BEAM_CHS

#define ADAR300X_IIO_BEAM_CHS

(

_beam

)

Value:

    ADAR300X_IIO_ELEMENT_CHS(_beam, 0),             \
    ADAR300X_IIO_ELEMENT_CHS(_beam, 1),             \
    ADAR300X_IIO_ELEMENT_CHS(_beam, 2),             \
    ADAR300X_IIO_ELEMENT_CHS(_beam, 3)

ADAR300X_IIO_BEAM_SCAN_MSK

#define ADAR300X_IIO_BEAM_SCAN_MSK

(

beam

)

Value:

                         (NO_OS_GENMASK(7, 0) << \
                         ((beam) * ADAR300X_UNPACKED_BEAMSTATE_LEN))

ADAR300X_IIO_BEAMSTATE_CHANNELS

#define ADAR300X_IIO_BEAMSTATE_CHANNELS

Value:

                     (ADAR300X_IIO_BEAMS * \
                     ADAR300X_UNPACKED_BEAMSTATE_LEN)

ADAR300X_IIO_DELAY_SCALE_DEN

#define ADAR300X_IIO_DELAY_SCALE_DEN   1000

ADAR300X_IIO_DELAY_SCALE_NUM

#define ADAR300X_IIO_DELAY_SCALE_NUM   865

ADAR300X_IIO_ELEMENT_AMP_ATTRS

#define ADAR300X_IIO_ELEMENT_AMP_ATTRS

(

_el

)

Value:

    ADAR300X_IIO_AMP_ATTRS(element, _el, "operational", 1,        \
                   ADAR300X_ELEMENT_AMP_OPERATIONAL),   \
    ADAR300X_IIO_AMP_ATTRS(element, _el, "sleep", 1,        \
                   ADAR300X_ELEMENT_AMP_SLEEP)

ADAR300X_IIO_ELEMENT_CHS

#define ADAR300X_IIO_ELEMENT_CHS	(		_beam,
			_el )

Value:

    ADAR300X_IIO_VALUE_CH(IIO_PHASE, _beam, _el, ADAR300X_DELAY),   \
    ADAR300X_IIO_VALUE_CH(IIO_POWER, _beam, _el, ADAR300X_ATTENUATION)

ADAR300X_IIO_VALUE_CH

#define ADAR300X_IIO_VALUE_CH	(		_type,
			_beam,
			_el,
			_param )

Value:

    {       \
    .ch_type = _type,                       \
    .channel = (_beam) * ADAR300X_ELEMENTS_PER_BEAM + (_el),  \
    .address = (_beam) * ADAR300X_UNPACKED_BEAMSTATE_LEN +       \
           (_el) * 2 + (_param),                \
    .scan_index = (_beam) * ADAR300X_UNPACKED_BEAMSTATE_LEN +    \
              (_el) * 2 + (_param),             \
    .scan_type = &adar300x_iio_scan_type,               \
    .attributes = adar300x_iio_beamstate_attrs,         \
    .ch_out = true,                         \
    .indexed = true,                        \
}

Function Documentation

adar300x_iio_init()

int adar300x_iio_init	(	struct adar300x_iio_dev **	iio_dev,
		struct adar300x_iio_dev_init_param *	init_param )

Initializes the ADAR300X IIO device.

Parameters

iio_dev	- The IIO device descriptor.
init_param	- The initialization parameters.

Returns

- 0 in case of success or negative error code otherwise.

adar300x_iio_remove()

int adar300x_iio_remove

(

struct adar300x_iio_dev *

desc

)

Frees the resources allocated by adar300x_iio_init().

Parameters

desc	- The IIO device descriptor.

Returns

- 0 in case of success or negative error code otherwise.