linux/drivers/hwmon/ltc2990.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Driver for Linear Technology LTC2990 power monitor
 *
 * Copyright (C) 2014 Topic Embedded Products
 * Author: Mike Looijmans <[email protected]>
 */

#include <linux/bitops.h>
#include <linux/err.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/property.h>

#define LTC2990_STATUS …
#define LTC2990_CONTROL …
#define LTC2990_TRIGGER …
#define LTC2990_TINT_MSB …
#define LTC2990_V1_MSB …
#define LTC2990_V2_MSB …
#define LTC2990_V3_MSB …
#define LTC2990_V4_MSB …
#define LTC2990_VCC_MSB …

#define LTC2990_IN0 …
#define LTC2990_IN1 …
#define LTC2990_IN2 …
#define LTC2990_IN3 …
#define LTC2990_IN4 …
#define LTC2990_CURR1 …
#define LTC2990_CURR2 …
#define LTC2990_TEMP1 …
#define LTC2990_TEMP2 …
#define LTC2990_TEMP3 …
#define LTC2990_NONE …
#define LTC2990_ALL …

#define LTC2990_MODE0_SHIFT …
#define LTC2990_MODE0_MASK …
#define LTC2990_MODE1_SHIFT …
#define LTC2990_MODE1_MASK …

/* Enabled measurements for mode bits 2..0 */
static const int ltc2990_attrs_ena_0[] = …;

/* Enabled measurements for mode bits 4..3 */
static const int ltc2990_attrs_ena_1[] = …;

struct ltc2990_data { … };

/* Return the converted value from the given register in uV or mC */
static int ltc2990_get_value(struct i2c_client *i2c, int index, int *result)
{ … }

static ssize_t ltc2990_value_show(struct device *dev,
				  struct device_attribute *da, char *buf)
{ … }

static umode_t ltc2990_attrs_visible(struct kobject *kobj,
				     struct attribute *a, int n)
{ … }

static SENSOR_DEVICE_ATTR_RO(temp1_input, ltc2990_value, LTC2990_TEMP1);
static SENSOR_DEVICE_ATTR_RO(temp2_input, ltc2990_value, LTC2990_TEMP2);
static SENSOR_DEVICE_ATTR_RO(temp3_input, ltc2990_value, LTC2990_TEMP3);
static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc2990_value, LTC2990_CURR1);
static SENSOR_DEVICE_ATTR_RO(curr2_input, ltc2990_value, LTC2990_CURR2);
static SENSOR_DEVICE_ATTR_RO(in0_input, ltc2990_value, LTC2990_IN0);
static SENSOR_DEVICE_ATTR_RO(in1_input, ltc2990_value, LTC2990_IN1);
static SENSOR_DEVICE_ATTR_RO(in2_input, ltc2990_value, LTC2990_IN2);
static SENSOR_DEVICE_ATTR_RO(in3_input, ltc2990_value, LTC2990_IN3);
static SENSOR_DEVICE_ATTR_RO(in4_input, ltc2990_value, LTC2990_IN4);

static struct attribute *ltc2990_attrs[] = …;

static const struct attribute_group ltc2990_group = …;
__ATTRIBUTE_GROUPS(…);

static int ltc2990_i2c_probe(struct i2c_client *i2c)
{ … }

static const struct i2c_device_id ltc2990_i2c_id[] = …;
MODULE_DEVICE_TABLE(i2c, ltc2990_i2c_id);

static struct i2c_driver ltc2990_i2c_driver = …;

module_i2c_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;