linux/drivers/rtc/rtc-msm6242.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Oki MSM6242 RTC Driver
 *
 *  Copyright 2009 Geert Uytterhoeven
 *
 *  Based on the A2000 TOD code in arch/m68k/amiga/config.c
 *  Copyright (C) 1993 Hamish Macdonald
 */

#define pr_fmt(fmt) …

#include <linux/delay.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
#include <linux/slab.h>


enum { … };

#define MSM6242_HOUR10_AM …
#define MSM6242_HOUR10_PM …
#define MSM6242_HOUR10_HR_MASK …

#define MSM6242_WEEK_SUNDAY …
#define MSM6242_WEEK_MONDAY …
#define MSM6242_WEEK_TUESDAY …
#define MSM6242_WEEK_WEDNESDAY …
#define MSM6242_WEEK_THURSDAY …
#define MSM6242_WEEK_FRIDAY …
#define MSM6242_WEEK_SATURDAY …

#define MSM6242_CD_30_S_ADJ …
#define MSM6242_CD_IRQ_FLAG …
#define MSM6242_CD_BUSY …
#define MSM6242_CD_HOLD …

#define MSM6242_CE_T_MASK …
#define MSM6242_CE_T_64HZ …
#define MSM6242_CE_T_1HZ …
#define MSM6242_CE_T_1MINUTE …
#define MSM6242_CE_T_1HOUR …

#define MSM6242_CE_ITRPT_STND …
#define MSM6242_CE_MASK …

#define MSM6242_CF_TEST …
#define MSM6242_CF_12H …
#define MSM6242_CF_24H …
#define MSM6242_CF_STOP …
#define MSM6242_CF_REST …


struct msm6242_priv { … };

static inline unsigned int msm6242_read(struct msm6242_priv *priv,
				       unsigned int reg)
{ … }

static inline void msm6242_write(struct msm6242_priv *priv, unsigned int val,
				unsigned int reg)
{ … }

static void msm6242_lock(struct msm6242_priv *priv)
{ … }

static void msm6242_unlock(struct msm6242_priv *priv)
{ … }

static int msm6242_read_time(struct device *dev, struct rtc_time *tm)
{ … }

static int msm6242_set_time(struct device *dev, struct rtc_time *tm)
{ … }

static const struct rtc_class_ops msm6242_rtc_ops = …;

static int __init msm6242_rtc_probe(struct platform_device *pdev)
{ … }

static struct platform_driver msm6242_rtc_driver = …;

module_platform_driver_probe(…);

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