linux/drivers/rtc/rtc-s35390a.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Seiko Instruments S-35390A RTC Driver
 *
 * Copyright (c) 2007 Byron Bradley
 */

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

#define S35390A_CMD_STATUS1
#define S35390A_CMD_STATUS2
#define S35390A_CMD_TIME1
#define S35390A_CMD_TIME2
#define S35390A_CMD_INT2_REG1

#define S35390A_BYTE_YEAR
#define S35390A_BYTE_MONTH
#define S35390A_BYTE_DAY
#define S35390A_BYTE_WDAY
#define S35390A_BYTE_HOURS
#define S35390A_BYTE_MINS
#define S35390A_BYTE_SECS

#define S35390A_ALRM_BYTE_WDAY
#define S35390A_ALRM_BYTE_HOURS
#define S35390A_ALRM_BYTE_MINS

/* flags for STATUS1 */
#define S35390A_FLAG_POC
#define S35390A_FLAG_BLD
#define S35390A_FLAG_INT2
#define S35390A_FLAG_24H
#define S35390A_FLAG_RESET

/* flag for STATUS2 */
#define S35390A_FLAG_TEST

/* INT2 pin output mode */
#define S35390A_INT2_MODE_MASK
#define S35390A_INT2_MODE_NOINTR
#define S35390A_INT2_MODE_ALARM
#define S35390A_INT2_MODE_PMIN_EDG
#define S35390A_INT2_MODE_FREQ
#define S35390A_INT2_MODE_PMIN

static const struct i2c_device_id s35390a_id[] =;
MODULE_DEVICE_TABLE(i2c, s35390a_id);

static const __maybe_unused struct of_device_id s35390a_of_match[] =;
MODULE_DEVICE_TABLE(of, s35390a_of_match);

struct s35390a {};

static int s35390a_set_reg(struct s35390a *s35390a, int reg, char *buf, int len)
{}

static int s35390a_get_reg(struct s35390a *s35390a, int reg, char *buf, int len)
{}

static int s35390a_init(struct s35390a *s35390a)
{}

/*
 * Returns <0 on error, 0 if rtc is setup fine and 1 if the chip was reset.
 * To keep the information if an irq is pending, pass the value read from
 * STATUS1 to the caller.
 */
static int s35390a_read_status(struct s35390a *s35390a, char *status1)
{}

static int s35390a_disable_test_mode(struct s35390a *s35390a)
{}

static char s35390a_hr2reg(struct s35390a *s35390a, int hour)
{}

static int s35390a_reg2hr(struct s35390a *s35390a, char reg)
{}

static int s35390a_rtc_set_time(struct device *dev, struct rtc_time *tm)
{}

static int s35390a_rtc_read_time(struct device *dev, struct rtc_time *tm)
{}

static int s35390a_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
{}

static int s35390a_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
{}

static int s35390a_rtc_ioctl(struct device *dev, unsigned int cmd,
			     unsigned long arg)
{}

static const struct rtc_class_ops s35390a_rtc_ops =;

static int s35390a_probe(struct i2c_client *client)
{}

static struct i2c_driver s35390a_driver =;

module_i2c_driver();

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