diff options
Diffstat (limited to 'include/asm-powerpc/rtc.h')
| -rw-r--r-- | include/asm-powerpc/rtc.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/asm-powerpc/rtc.h b/include/asm-powerpc/rtc.h new file mode 100644 index 000000000000..f5802926b6c0 --- /dev/null +++ b/include/asm-powerpc/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 | |||
| 45 | static 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. */ | ||
| 53 | static 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 | |||
| 60 | static 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 | |||
| 68 | static inline int get_rtc_pll(struct rtc_pll_info *pll) | ||
| 69 | { | ||
| 70 | return -EINVAL; | ||
| 71 | } | ||
| 72 | static 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__ */ | ||
