linux/drivers/iio/temperature/tmp006.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * tmp006.c - Support for TI TMP006 IR thermopile sensor
 *
 * Copyright (c) 2013 Peter Meerwald <[email protected]>
 *
 * Driver for the Texas Instruments I2C 16-bit IR thermopile sensor
 *
 * (7-bit I2C slave address 0x40, changeable via ADR pins)
 *
 * TODO: data ready irq
 */

#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/pm.h>
#include <linux/bitops.h>

#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

#define TMP006_VOBJECT …
#define TMP006_TAMBIENT …
#define TMP006_CONFIG …
#define TMP006_MANUFACTURER_ID …
#define TMP006_DEVICE_ID …

#define TMP006_TAMBIENT_SHIFT …

#define TMP006_CONFIG_RESET …
#define TMP006_CONFIG_DRDY_EN …
#define TMP006_CONFIG_DRDY …

#define TMP006_CONFIG_MOD_MASK …

#define TMP006_CONFIG_CR_MASK …
#define TMP006_CONFIG_CR_SHIFT …

#define TMP006_MANUFACTURER_MAGIC …
#define TMP006_DEVICE_MAGIC …

struct tmp006_data { … };

static int tmp006_read_measurement(struct tmp006_data *data, u8 reg)
{ … }

static const int tmp006_freqs[5][2] = …;

static int tmp006_read_raw(struct iio_dev *indio_dev,
			    struct iio_chan_spec const *channel, int *val,
			    int *val2, long mask)
{ … }

static int tmp006_write_raw(struct iio_dev *indio_dev,
			    struct iio_chan_spec const *chan,
			    int val,
			    int val2,
			    long mask)
{ … }

static IIO_CONST_ATTR(sampling_frequency_available, "4 2 1 0.5 0.25");

static struct attribute *tmp006_attributes[] = …;

static const struct attribute_group tmp006_attribute_group = …;

static const struct iio_chan_spec tmp006_channels[] = …;

static const struct iio_info tmp006_info = …;

static bool tmp006_check_identification(struct i2c_client *client)
{ … }

static int tmp006_power(struct device *dev, bool up)
{ … }

static void tmp006_powerdown_cleanup(void *dev)
{ … }

static int tmp006_probe(struct i2c_client *client)
{ … }

static int tmp006_suspend(struct device *dev)
{ … }

static int tmp006_resume(struct device *dev)
{ … }

static DEFINE_SIMPLE_DEV_PM_OPS(tmp006_pm_ops, tmp006_suspend, tmp006_resume);

static const struct of_device_id tmp006_of_match[] = …;
MODULE_DEVICE_TABLE(of, tmp006_of_match);

static const struct i2c_device_id tmp006_id[] = …;
MODULE_DEVICE_TABLE(i2c, tmp006_id);

static struct i2c_driver tmp006_driver = …;
module_i2c_driver(…) …;

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