1 /* asm-m68k/rtc.h 2 * 3 * Copyright Richard Zidlicky 4 * implementation details for genrtc/q40rtc driver 5 */ 6 /* permission is hereby granted to copy, modify and redistribute this code 7 * in terms of the GNU Library General Public License, Version 2 or later, 8 * at your option. 9 */ 10 11 #ifndef _ASM_RTC_H 12 #define _ASM_RTC_H 13 14 #ifdef __KERNEL__ 15 16 #include <linux/rtc.h> 17 #include <asm/errno.h> 18 #include <asm/machdep.h> 19 20 #define RTC_PIE 0x40 /* periodic interrupt enable */ 21 #define RTC_AIE 0x20 /* alarm interrupt enable */ 22 #define RTC_UIE 0x10 /* update-finished interrupt enable */ 23 24 /* some dummy definitions */ 25 #define RTC_BATT_BAD 0x100 /* battery bad */ 26 #define RTC_SQWE 0x08 /* enable square-wave output */ 27 #define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */ 28 #define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */ 29 #define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */ 30 get_rtc_time(struct rtc_time * time)31static inline unsigned int get_rtc_time(struct rtc_time *time) 32 { 33 /* 34 * Only the values that we read from the RTC are set. We leave 35 * tm_wday, tm_yday and tm_isdst untouched. Even though the 36 * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated 37 * by the RTC when initially set to a non-zero value. 38 */ 39 mach_hwclk(0, time); 40 return RTC_24H; 41 } 42 set_rtc_time(struct rtc_time * time)43static inline int set_rtc_time(struct rtc_time *time) 44 { 45 return mach_hwclk(1, time); 46 } 47 get_rtc_ss(void)48static inline unsigned int get_rtc_ss(void) 49 { 50 if (mach_get_ss) 51 return mach_get_ss(); 52 else{ 53 struct rtc_time h; 54 55 get_rtc_time(&h); 56 return h.tm_sec; 57 } 58 } 59 get_rtc_pll(struct rtc_pll_info * pll)60static inline int get_rtc_pll(struct rtc_pll_info *pll) 61 { 62 if (mach_get_rtc_pll) 63 return mach_get_rtc_pll(pll); 64 else 65 return -EINVAL; 66 } set_rtc_pll(struct rtc_pll_info * pll)67static inline int set_rtc_pll(struct rtc_pll_info *pll) 68 { 69 if (mach_set_rtc_pll) 70 return mach_set_rtc_pll(pll); 71 else 72 return -EINVAL; 73 } 74 #endif /* __KERNEL__ */ 75 76 #endif /* _ASM__RTC_H */ 77