linux/drivers/iio/adc/ad7476.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Analog Devices AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver
 * TI ADC081S/ADC101S/ADC121S 8/10/12-bit SPI ADC driver
 *
 * Copyright 2010 Analog Devices Inc.
 */

#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/spi/spi.h>
#include <linux/regulator/consumer.h>
#include <linux/gpio/consumer.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/delay.h>

#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/buffer.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>

struct ad7476_state;

struct ad7476_chip_info { … };

struct ad7476_state { … };

enum ad7476_supported_device_ids { … };

static void ad7091_convst(struct ad7476_state *st)
{ … }

static irqreturn_t ad7476_trigger_handler(int irq, void  *p)
{ … }

static void ad7091_reset(struct ad7476_state *st)
{ … }

static int ad7476_scan_direct(struct ad7476_state *st)
{ … }

static int ad7476_read_raw(struct iio_dev *indio_dev,
			   struct iio_chan_spec const *chan,
			   int *val,
			   int *val2,
			   long m)
{ … }

#define _AD7476_CHAN(bits, _shift, _info_mask_sep) …

#define ADC081S_CHAN(bits) …
#define AD7476_CHAN(bits) …
#define AD7940_CHAN(bits) …
#define AD7091R_CHAN(bits) …
#define AD7091R_CONVST_CHAN(bits) …
#define ADS786X_CHAN(bits) …

static const struct ad7476_chip_info ad7476_chip_info_tbl[] = …;

static const struct iio_info ad7476_info = …;

static void ad7476_reg_disable(void *data)
{ … }

static int ad7476_probe(struct spi_device *spi)
{ … }

static const struct spi_device_id ad7476_id[] = …;
MODULE_DEVICE_TABLE(spi, ad7476_id);

static struct spi_driver ad7476_driver = …;
module_spi_driver(…) …;

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