/* include/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.
  	 */

  	if (mach_hwclk)
  		mach_hwclk(0, time);

  	return RTC_24H;
  }
  
  static inline int set_rtc_time(struct rtc_time *time)
  {

  	if (mach_hwclk)
  		return mach_hwclk(1, time);
  	return -EINVAL;

  }
  
  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 */