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/* 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();
            struct 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);
            return -EINVAL;
static inline int set_rtc_pll(struct rtc_pll_info *pll)
      if (mach_set_rtc_pll)
            return mach_set_rtc_pll(pll);
            return -EINVAL;
#endif /* __KERNEL__ */

#endif /* _ASM__RTC_H */

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