linux/drivers/w1/slaves/w1_ds2423.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	w1_ds2423.c
 *
 * Copyright (c) 2010 Mika Laitio <[email protected]>
 *
 * This driver will read and write the value of 4 counters to w1_slave file in
 * sys filesystem.
 * Inspired by the w1_therm and w1_ds2431 drivers.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/crc16.h>

#include <linux/w1.h>

#define W1_COUNTER_DS2423 …

#define CRC16_VALID …
#define CRC16_INIT …

#define COUNTER_COUNT …
#define READ_BYTE_COUNT …

static ssize_t w1_slave_show(struct device *device,
			     struct device_attribute *attr, char *out_buf)
{ … }

static DEVICE_ATTR_RO(w1_slave);

static struct attribute *w1_f1d_attrs[] = …;
ATTRIBUTE_GROUPS(…);

static const struct w1_family_ops w1_f1d_fops = …;

static struct w1_family w1_family_1d = …;
module_w1_family(…);

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