/* * inclue/asm-ppc/rtc.h * * Author: Tom Rini <trini@mvista.com> * * 2002 (c) MontaVista, Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. * * Based on: * include/asm-m68k/rtc.h * * Copyright Richard Zidlicky * implementation details for genrtc/q40rtc driver * * And the old drivers/macintosh/rtc.c which was heavily based on: * Linux/SPARC Real Time Clock Driver * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) * * With additional work by Paul Mackerras and Franz Sirl. */ #ifndef __ASM_RTC_H__ #define __ASM_RTC_H__ #ifdef __KERNEL__ #include <linux/rtc.h> #include <asm/machdep.h> #include <asm/time.h> #define RTC_PIE 0x40 /* periodic interrupt enable */ #define RTC_AIE 0x20 /* alarm interrupt enable */ #define RTC_UIE 0x10 /* update-finished interrupt enable */ /* some dummy definitions */ #define RTC_BATT_BAD 0x100 /* battery bad */ #define RTC_SQWE 0x08 /* enable square-wave output */ #define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */ #define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */ #define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */ static inline unsigned int get_rtc_time(struct rtc_time *time) { if (ppc_md.get_rtc_time) { unsigned long nowtime; nowtime = (ppc_md.get_rtc_time)(); to_tm(nowtime, time); time->tm_year -= 1900; time->tm_mon -= 1; /* Make sure userland has a 0-based month */ } return RTC_24H; } /* Set the current date and time in the real time clock. */ static inline int set_rtc_time(struct rtc_time *time) { if (ppc_md.get_rtc_time) { unsigned long nowtime; nowtime = mktime(time->tm_year+1900, time->tm_mon+1, time->tm_mday, time->tm_hour, time->tm_min, time->tm_sec); (ppc_md.set_rtc_time)(nowtime); return 0; } else return -EINVAL; } static inline unsigned int get_rtc_ss(void) { struct rtc_time h; get_rtc_time(&h); return h.tm_sec; } static inline int get_rtc_pll(struct rtc_pll_info *pll) { return -EINVAL; } static inline int set_rtc_pll(struct rtc_pll_info *pll) { return -EINVAL; } #endif /* __KERNEL__ */ #endif /* __ASM_RTC_H__ */