| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Generic RTC interface. |
| 10 | */ |
| 11 | #ifndef _RTC_H_ |
| 12 | #define _RTC_H_ |
| 13 | |
| 14 | /* bcd<->bin functions are needed by almost all the RTC drivers, let's include |
| 15 | * it there instead of in evey single driver */ |
| 16 | |
| 17 | #include <bcd.h> |
| 18 | |
| 19 | /* |
| 20 | * The struct used to pass data from the generic interface code to |
| 21 | * the hardware dependend low-level code ande vice versa. Identical |
| 22 | * to struct rtc_time used by the Linux kernel. |
| 23 | * |
| 24 | * Note that there are small but significant differences to the |
| 25 | * common "struct time": |
| 26 | * |
| 27 | * struct time: struct rtc_time: |
| 28 | * tm_mon 0 ... 11 1 ... 12 |
| 29 | * tm_year years since 1900 years since 0 |
| 30 | */ |
| 31 | |
| 32 | struct rtc_time { |
| 33 | int tm_sec; |
| 34 | int tm_min; |
| 35 | int tm_hour; |
| 36 | int tm_mday; |
| 37 | int tm_mon; |
| 38 | int tm_year; |
| 39 | int tm_wday; |
| 40 | int tm_yday; |
| 41 | int tm_isdst; |
| 42 | }; |
| 43 | |
| 44 | int rtc_get (struct rtc_time *); |
| 45 | int rtc_set (struct rtc_time *); |
| 46 | void rtc_reset (void); |
| 47 | |
| 48 | void GregorianDay (struct rtc_time *); |
| 49 | void to_tm (int, struct rtc_time *); |
| 50 | unsigned long mktime (unsigned int, unsigned int, unsigned int, |
| 51 | unsigned int, unsigned int, unsigned int); |
| 52 | |
| 53 | #endif /* _RTC_H_ */ |