iio_lt8722.c File Reference

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.
uint32_t	lt8722_iio_get_mask_status (enum lt8722_iio_spis_status_attrs attr)
	Get the mask for the SPIS status register.
uint32_t	lt8722_iio_get_mask_amux (enum lt8722_iio_spis_amux_attrs attr)
	Get the mask for the SPIS AMUX register.
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.
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.
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.
int	lt8722_iio_init (struct lt8722_iio_dev **iio_dev, struct lt8722_iio_dev_init_param *init_param)
	Initializes the LT8722 IIO descriptor.
int	lt8722_iio_remove (struct lt8722_iio_dev *desc)
	Free resources allocated by the init function.

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)

Copyright 2024(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

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.