release/src-rt-6.x/linux/linux-2.6/include/asm-mips/rtc.h

   1 /*
   2  * include/asm-mips/rtc.h
   3  *
   4  * (Really an interface for drivers/char/genrtc.c)
   5  *
   6  * Copyright (C) 2004 MontaVista Software Inc.
   7  * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
   8  *
   9  * Please read the COPYING file for all license details.
  10  */
  11
  12 #ifndef _MIPS_RTC_H
  13 #define _MIPS_RTC_H
  14
  15 #ifdef __KERNEL__
  16
  17 #include <linux/rtc.h>
  18 #include <asm/time.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
  31 static inline unsigned int get_rtc_time(struct rtc_time *time)
  32 {
  33         unsigned long nowtime;
  34
  35         nowtime = rtc_mips_get_time();
  36         to_tm(nowtime, time);
  37         time->tm_year -= 1900;
  38
  39         return RTC_24H;
  40 }
  41
  42 static inline int set_rtc_time(struct rtc_time *time)
  43 {
  44         unsigned long nowtime;
  45         int ret;
  46
  47         nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
  48                         time->tm_mday, time->tm_hour, time->tm_min,
  49                         time->tm_sec);
  50         ret = rtc_mips_set_time(nowtime);
  51
  52         return ret;
  53 }
  54
  55 static inline unsigned int get_rtc_ss(void)
  56 {
  57         struct rtc_time h;
  58
  59         get_rtc_time(&h);
  60         return h.tm_sec;
  61 }
  62
  63 static inline int get_rtc_pll(struct rtc_pll_info *pll)
  64 {
  65         return -EINVAL;
  66 }
  67
  68 static inline int set_rtc_pll(struct rtc_pll_info *pll)
  69 {
  70         return -EINVAL;
  71 }
  72 #endif
  73 #endif