Source file for the LT8722 IIO Driver. More...

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "no_os_alloc.h"
#include "no_os_error.h"
#include "no_os_units.h"
#include "no_os_util.h"
#include "lt8722.h"
#include "iio_lt8722.h"

Include dependency graph for iio_lt8722.c:

Classes
struct	lt8722_iio_attr_avail
	Structure holding the available values for an attribute. More...

Enumerations
enum	lt8722_iio_spis_command_attrs { LT8722_ENABLE_REQ, LT8722_SWEN_REQ, LT8722_SW_FRQ_SET, LT8722_SW_FRQ_ADJ, LT8722_SYS_DC, LT8722_VCC_VREG, LT8722_SW_VC_INT, LT8722_SPI_RST, LT8722_PWR_LIM }

enum	lt8722_iio_spis_status_attrs { LT8722_SWEN, LT8722_SRVO_ILIM, LT8722_SRVO_PLIM, LT8722_MIN_OT, LT8722_POR_OCC, LT8722_OVER_CURRENT, LT8722_TSD, LT8722_VCC_UVLO, LT8722_VDDIO_UVLO, LT8722_CP_UVLO, LT8722_V2P5_UVLO }

enum	lt8722_iio_spis_amux_attrs { LT8722_AMUX, LT8722_AMUX_TEST, LT8722_AOUT_EN }

enum	lt8722_iio_pins { LT8722_EN_PIN, LT8722_SWEN_PIN }

Functions
uint32_t	lt8722_iio_get_mask_command (enum lt8722_iio_spis_command_attrs attr)
	Get the mask for the SPIS command register. More...

uint32_t	lt8722_iio_get_mask_status (enum lt8722_iio_spis_status_attrs attr)
	Get the mask for the SPIS status register. More...

uint32_t	lt8722_iio_get_mask_amux (enum lt8722_iio_spis_amux_attrs attr)
	Get the mask for the SPIS AMUX register. More...

struct lt8722_iio_attr_avail	lt8722_iio_get_command_available (enum lt8722_iio_spis_command_attrs attr)
	Get the list of available values of a SPIS_COMMAND register attribute. More...

struct lt8722_iio_attr_avail	lt8722_iio_get_status_attr_available (enum lt8722_iio_spis_status_attrs attr)
	Get the list of available values of a SPIS_STATUS register attribute. More...

struct lt8722_iio_attr_avail	lt8722_iio_get_amux_available (enum lt8722_iio_spis_amux_attrs attr)
	Get the list of available values of a SPIS_AMUX register attribute. More...

int	lt8722_iio_init (struct lt8722_iio_dev *iio_dev, struct lt8722_iio_dev_init_param init_param)
	Initializes the LT8722 IIO descriptor. More...

int	lt8722_iio_remove (struct lt8722_iio_dev *desc)
	Free resources allocated by the init function. More...

Detailed Description

Source file for the LT8722 IIO Driver.

Author: Ramon Cristopher Calam (ramon.nosp@m.cris.nosp@m.tophe.nosp@m.r.ca.nosp@m.lam@a.nosp@m.nalo.nosp@m.g.com)

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
The use of this software may or may not infringe the patent rights of one or more patent holders. This license does not release you from the requirement that you obtain separate licenses from these patent holders to use this software.
Use of the software either in source or binary form, must be run on or directly connected to an Analog Devices Inc. component.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Enumeration Type Documentation

◆ lt8722_iio_pins

enum lt8722_iio_pins

Enumerator
LT8722_EN_PIN
LT8722_SWEN_PIN

◆ lt8722_iio_spis_amux_attrs

enum lt8722_iio_spis_amux_attrs

Enumerator
LT8722_AMUX
LT8722_AMUX_TEST
LT8722_AOUT_EN

◆ lt8722_iio_spis_command_attrs

enum lt8722_iio_spis_command_attrs

Enumerator
LT8722_ENABLE_REQ
LT8722_SWEN_REQ
LT8722_SW_FRQ_SET
LT8722_SW_FRQ_ADJ
LT8722_SYS_DC
LT8722_VCC_VREG
LT8722_SW_VC_INT
LT8722_SPI_RST
LT8722_PWR_LIM

◆ lt8722_iio_spis_status_attrs

enum lt8722_iio_spis_status_attrs

Enumerator
LT8722_SWEN
LT8722_SRVO_ILIM
LT8722_SRVO_PLIM
LT8722_MIN_OT
LT8722_POR_OCC
LT8722_OVER_CURRENT
LT8722_TSD
LT8722_VCC_UVLO
LT8722_VDDIO_UVLO
LT8722_CP_UVLO
LT8722_V2P5_UVLO

Function Documentation

◆ lt8722_iio_get_amux_available()

struct lt8722_iio_attr_avail lt8722_iio_get_amux_available ( enum lt8722_iio_spis_amux_attrs attr )

Get the list of available values of a SPIS_AMUX register attribute.

Parameters

attr	- The attribute for which the list is needed.

Returns: The list of available values of the attribute.

◆ lt8722_iio_get_command_available()

struct lt8722_iio_attr_avail lt8722_iio_get_command_available ( enum lt8722_iio_spis_command_attrs attr )

Get the list of available values of a SPIS_COMMAND register attribute.

Parameters

attr	- The attribute for which the list is needed.

Returns: The list of available values of the attribute.

◆ lt8722_iio_get_mask_amux()

uint32_t lt8722_iio_get_mask_amux ( enum lt8722_iio_spis_amux_attrs attr )

Get the mask for the SPIS AMUX register.

Parameters

attr	- The attribute for which the mask is needed.

Returns: The mask for the SPIS AMUX register.

◆ lt8722_iio_get_mask_command()

uint32_t lt8722_iio_get_mask_command ( enum lt8722_iio_spis_command_attrs attr )

Get the mask for the SPIS command register.

Parameters

attr	- The attribute for which the mask is needed.

Returns: The mask for the SPIS command register.

◆ lt8722_iio_get_mask_status()

uint32_t lt8722_iio_get_mask_status ( enum lt8722_iio_spis_status_attrs attr )

Get the mask for the SPIS status register.

Parameters

attr	- The attribute for which the mask is needed.

Returns: The mask for the SPIS status register.

◆ lt8722_iio_get_status_attr_available()

struct lt8722_iio_attr_avail lt8722_iio_get_status_attr_available ( enum lt8722_iio_spis_status_attrs attr )

Get the list of available values of a SPIS_STATUS register attribute.

Parameters

attr	- The attribute for which the list is needed.

Returns: The list of available values of the attribute.

◆ lt8722_iio_init()

int lt8722_iio_init	(	struct lt8722_iio_dev **	iio_dev,
		struct lt8722_iio_dev_init_param *	init_param
	)

Initializes the LT8722 IIO descriptor.

Parameters

iio_dev	- The iio device descriptor.
init_param	- The structure that contains the device initial parameters.

Returns: 0 in case of success, an error code otherwise.

◆ lt8722_iio_remove()

int lt8722_iio_remove ( struct lt8722_iio_dev * desc )

Free resources allocated by the init function.

Parameters

desc	- The iio device descriptor.

Returns: 0 in case of success, an error code otherwise.

Classes

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ lt8722_iio_pins

◆ lt8722_iio_spis_amux_attrs

◆ lt8722_iio_spis_command_attrs

◆ lt8722_iio_spis_status_attrs

Function Documentation

◆ lt8722_iio_get_amux_available()

◆ lt8722_iio_get_command_available()

◆ lt8722_iio_get_mask_amux()

◆ lt8722_iio_get_mask_command()

◆ lt8722_iio_get_mask_status()

◆ lt8722_iio_get_status_attr_available()

◆ lt8722_iio_init()

◆ lt8722_iio_remove()