projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 42a3b4f2 | 2 | * include/asm-mips/rtc.h |
| 1da177e4 LT |
3 | * |
| 4 | * (Really an interface for drivers/char/genrtc.c) | |
| 5 | * | |
| 6 | * Copyright (C) 2004 MontaVista Software Inc. | |
| 7 | * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net | |
| 8 | * | |
| 9 | * Please read the COPYING file for all license details. | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef _MIPS_RTC_H | |
| 13 | #define _MIPS_RTC_H | |
| 14 | ||
| 15 | #ifdef __KERNEL__ | |
| 16 | ||
| 5bcb9a58 | 17 | #include <linux/spinlock.h> |
| 1da177e4 | 18 | #include <linux/rtc.h> |
| 5bcb9a58 | 19 | #include <asm/time.h> |
| 1da177e4 LT |
20 | |
| 21 | #define RTC_PIE 0x40 /* periodic interrupt enable */ | |
| 22 | #define RTC_AIE 0x20 /* alarm interrupt enable */ | |
| 23 | #define RTC_UIE 0x10 /* update-finished interrupt enable */ | |
| 24 | ||
| 25 | /* some dummy definitions */ | |
| 26 | #define RTC_BATT_BAD 0x100 /* battery bad */ | |
| 27 | #define RTC_SQWE 0x08 /* enable square-wave output */ | |
| 28 | #define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */ | |
| 29 | #define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */ | |
| 30 | #define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */ | |
| 31 | ||
| 5bcb9a58 | 32 | static DEFINE_SPINLOCK(mips_rtc_lock); |
| 1da177e4 | 33 | |
| 5bcb9a58 RB |
34 | static inline unsigned int get_rtc_time(struct rtc_time *time) |
| 35 | { | |
| 36 | unsigned long nowtime; | |
| 37 | ||
| 38 | spin_lock(&mips_rtc_lock); | |
| 39 | nowtime = rtc_get_time(); | |
| 40 | to_tm(nowtime, time); | |
| 41 | time->tm_year -= 1900; | |
| 42 | spin_unlock(&mips_rtc_lock); | |
| 43 | ||
| 44 | return RTC_24H; | |
| 45 | } | |
| 46 | ||
| 47 | static inline int set_rtc_time(struct rtc_time *time) | |
| 48 | { | |
| 49 | unsigned long nowtime; | |
| 50 | int ret; | |
| 51 | ||
| 52 | spin_lock(&mips_rtc_lock); | |
| 53 | nowtime = mktime(time->tm_year+1900, time->tm_mon+1, | |
| 54 | time->tm_mday, time->tm_hour, time->tm_min, | |
| 55 | time->tm_sec); | |
| 56 | ret = rtc_set_time(nowtime); | |
| 57 | spin_unlock(&mips_rtc_lock); | |
| 58 | ||
| 59 | return ret; | |
| 60 | } | |
| 61 | ||
| 62 | static inline unsigned int get_rtc_ss(void) | |
| 63 | { | |
| 64 | struct rtc_time h; | |
| 65 | ||
| 66 | get_rtc_time(&h); | |
| 67 | return h.tm_sec; | |
| 68 | } | |
| 69 | ||
| 70 | static inline int get_rtc_pll(struct rtc_pll_info *pll) | |
| 71 | { | |
| 72 | return -EINVAL; | |
| 73 | } | |
| 74 | ||
| 75 | static inline int set_rtc_pll(struct rtc_pll_info *pll) | |
| 76 | { | |
| 77 | return -EINVAL; | |
| 78 | } | |
| 1da177e4 LT |
79 | #endif |
| 80 | #endif |