linux/drivers/rtc/rtc-fm3130.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * rtc-fm3130.c - RTC driver for Ramtron FM3130 I2C chip.
 *
 *  Copyright (C) 2008 Sergey Lapin
 *  Based on ds1307 driver by James Chapman and David Brownell
 */

#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/slab.h>

#define FM3130_RTC_CONTROL …
#define FM3130_CAL_CONTROL …
#define FM3130_RTC_SECONDS …
#define FM3130_RTC_MINUTES …
#define FM3130_RTC_HOURS …
#define FM3130_RTC_DAY …
#define FM3130_RTC_DATE …
#define FM3130_RTC_MONTHS …
#define FM3130_RTC_YEARS …

#define FM3130_ALARM_SECONDS …
#define FM3130_ALARM_MINUTES …
#define FM3130_ALARM_HOURS …
#define FM3130_ALARM_DATE …
#define FM3130_ALARM_MONTHS …
#define FM3130_ALARM_WP_CONTROL …

#define FM3130_CAL_CONTROL_BIT_nOSCEN …
#define FM3130_RTC_CONTROL_BIT_LB …
#define FM3130_RTC_CONTROL_BIT_AF …
#define FM3130_RTC_CONTROL_BIT_CF …
#define FM3130_RTC_CONTROL_BIT_POR …
#define FM3130_RTC_CONTROL_BIT_AEN …
#define FM3130_RTC_CONTROL_BIT_CAL …
#define FM3130_RTC_CONTROL_BIT_WRITE …
#define FM3130_RTC_CONTROL_BIT_READ …

#define FM3130_CLOCK_REGS …
#define FM3130_ALARM_REGS …

struct fm3130 { … };
static const struct i2c_device_id fm3130_id[] = …;
MODULE_DEVICE_TABLE(i2c, fm3130_id);

#define FM3130_MODE_NORMAL …
#define FM3130_MODE_WRITE …
#define FM3130_MODE_READ …

static void fm3130_rtc_mode(struct device *dev, int mode)
{ … }

static int fm3130_get_time(struct device *dev, struct rtc_time *t)
{ … }


static int fm3130_set_time(struct device *dev, struct rtc_time *t)
{ … }

static int fm3130_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static int fm3130_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static int fm3130_alarm_irq_enable(struct device *dev, unsigned int enabled)
{ … }

static const struct rtc_class_ops fm3130_rtc_ops = …;

static struct i2c_driver fm3130_driver;

static int fm3130_probe(struct i2c_client *client)
{ … }

static struct i2c_driver fm3130_driver = …;

module_i2c_driver(…) …;

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