1/*
2 * include/asm-mips/rtc.h
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
17#include <linux/rtc.h>
18#include <asm/time.h>
19
20#define RTC_PIE 0x40            /* periodic interrupt enable */
21#define RTC_AIE 0x20            /* alarm interrupt enable */
22#define RTC_UIE 0x10            /* update-finished interrupt enable */
23
24/* some dummy definitions */
25#define RTC_BATT_BAD 0x100      /* battery bad */
26#define RTC_SQWE 0x08           /* enable square-wave output */
27#define RTC_DM_BINARY 0x04      /* all time/date values are BCD if clear */
28#define RTC_24H 0x02            /* 24 hour mode - else hours bit 7 means pm */
29#define RTC_DST_EN 0x01         /* auto switch DST - works f. USA only */
30
31static inline unsigned int get_rtc_time(struct rtc_time *time)
32{
33	unsigned long nowtime;
34
35	nowtime = rtc_mips_get_time();
36	to_tm(nowtime, time);
37	time->tm_year -= 1900;
38
39	return RTC_24H;
40}
41
42static inline int set_rtc_time(struct rtc_time *time)
43{
44	unsigned long nowtime;
45	int ret;
46
47	nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
48			time->tm_mday, time->tm_hour, time->tm_min,
49			time->tm_sec);
50	ret = rtc_mips_set_time(nowtime);
51
52	return ret;
53}
54
55static inline unsigned int get_rtc_ss(void)
56{
57	struct rtc_time h;
58
59	get_rtc_time(&h);
60	return h.tm_sec;
61}
62
63static inline int get_rtc_pll(struct rtc_pll_info *pll)
64{
65	return -EINVAL;
66}
67
68static inline int set_rtc_pll(struct rtc_pll_info *pll)
69{
70	return -EINVAL;
71}
72#endif
73#endif
74