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/arch/powerpc/include/asm/rtc.h

https://github.com/aicjofs/android_kernel_lge_v500_20d
C Header | 78 lines | 42 code | 12 blank | 24 comment | 2 complexity | 246ad2c268ca145ddfc383e7bb671763 MD5 | raw file
 1/*
 2 * Real-time clock definitions and interfaces
 3 *
 4 * Author: Tom Rini <trini@mvista.com>
 5 *
 6 * 2002 (c) MontaVista, Software, Inc.  This file is licensed under
 7 * the terms of the GNU General Public License version 2.  This program
 8 * is licensed "as is" without any warranty of any kind, whether express
 9 * or implied.
10 *
11 * Based on:
12 * include/asm-m68k/rtc.h
13 *
14 * Copyright Richard Zidlicky
15 * implementation details for genrtc/q40rtc driver
16 *
17 * And the old drivers/macintosh/rtc.c which was heavily based on:
18 * Linux/SPARC Real Time Clock Driver
19 * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
20 *
21 * With additional work by Paul Mackerras and Franz Sirl.
22 */
23
24#ifndef __ASM_POWERPC_RTC_H__
25#define __ASM_POWERPC_RTC_H__
26
27#ifdef __KERNEL__
28
29#include <linux/rtc.h>
30
31#include <asm/machdep.h>
32#include <asm/time.h>
33
34#define RTC_PIE 0x40		/* periodic interrupt enable */
35#define RTC_AIE 0x20		/* alarm interrupt enable */
36#define RTC_UIE 0x10		/* update-finished interrupt enable */
37
38/* some dummy definitions */
39#define RTC_BATT_BAD 0x100	/* battery bad */
40#define RTC_SQWE 0x08		/* enable square-wave output */
41#define RTC_DM_BINARY 0x04	/* all time/date values are BCD if clear */
42#define RTC_24H 0x02		/* 24 hour mode - else hours bit 7 means pm */
43#define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
44
45static inline unsigned int get_rtc_time(struct rtc_time *time)
46{
47	if (ppc_md.get_rtc_time)
48		ppc_md.get_rtc_time(time);
49	return RTC_24H;
50}
51
52/* Set the current date and time in the real time clock. */
53static inline int set_rtc_time(struct rtc_time *time)
54{
55	if (ppc_md.set_rtc_time)
56		return ppc_md.set_rtc_time(time);
57	return -EINVAL;
58}
59
60static inline unsigned int get_rtc_ss(void)
61{
62	struct rtc_time h;
63
64	get_rtc_time(&h);
65	return h.tm_sec;
66}
67
68static inline int get_rtc_pll(struct rtc_pll_info *pll)
69{
70	return -EINVAL;
71}
72static inline int set_rtc_pll(struct rtc_pll_info *pll)
73{
74	return -EINVAL;
75}
76
77#endif /* __KERNEL__ */
78#endif /* __ASM_POWERPC_RTC_H__ */