diff options
Diffstat (limited to 'include/asm-m68k/rtc.h')
-rw-r--r-- | include/asm-m68k/rtc.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/asm-m68k/rtc.h b/include/asm-m68k/rtc.h new file mode 100644 index 000000000000..71406fc4e599 --- /dev/null +++ b/include/asm-m68k/rtc.h @@ -0,0 +1,76 @@ +/* asm-m68k/rtc.h + * + * Copyright Richard Zidlicky + * implementation details for genrtc/q40rtc driver + */ +/* permission is hereby granted to copy, modify and redistribute this code + * in terms of the GNU Library General Public License, Version 2 or later, + * at your option. + */ + +#ifndef _ASM_RTC_H +#define _ASM_RTC_H + +#ifdef __KERNEL__ + +#include <linux/rtc.h> +#include <asm/errno.h> +#include <asm/machdep.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) +{ + /* + * Only the values that we read from the RTC are set. We leave + * tm_wday, tm_yday and tm_isdst untouched. Even though the + * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated + * by the RTC when initially set to a non-zero value. + */ + mach_hwclk(0, time); + return RTC_24H; +} + +static inline int set_rtc_time(struct rtc_time *time) +{ + return mach_hwclk(1, time); +} + +static inline unsigned int get_rtc_ss(void) +{ + if (mach_get_ss) + return mach_get_ss(); + else{ + struct rtc_time h; + + get_rtc_time(&h); + return h.tm_sec; + } +} + +static inline int get_rtc_pll(struct rtc_pll_info *pll) +{ + if (mach_get_rtc_pll) + return mach_get_rtc_pll(pll); + else + return -EINVAL; +} +static inline int set_rtc_pll(struct rtc_pll_info *pll) +{ + if (mach_set_rtc_pll) + return mach_set_rtc_pll(pll); + else + return -EINVAL; +} +#endif /* __KERNEL__ */ + +#endif /* _ASM__RTC_H */ |