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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-07 04:55:03 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 04:55:03 -0400
commit4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch)
treed240e4d40357583e3f3eb228dccf20122a5b31ed /arch/powerpc/include/asm/rtc.h
parentf44f82e8a20b98558486eb14497b2f71c78fa325 (diff)
parent64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/powerpc/include/asm/rtc.h')
-rw-r--r--arch/powerpc/include/asm/rtc.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/rtc.h b/arch/powerpc/include/asm/rtc.h
new file mode 100644
index 000000000000..f5802926b6c0
--- /dev/null
+++ b/arch/powerpc/include/asm/rtc.h
@@ -0,0 +1,78 @@
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__ */