include/asm-m68k/mc146818rtc.h

   1 /*
   2  * Machine dependent access functions for RTC registers.
   3  */
   4 #ifndef _ASM_MC146818RTC_H
   5 #define _ASM_MC146818RTC_H
   6
   7
   8 #ifdef CONFIG_ATARI
   9 /* RTC in Atari machines */
  10
  11 #include <asm/atarihw.h>
  12
  13 #define RTC_PORT(x)     (TT_RTC_BAS + 2*(x))
  14
  15 #define CMOS_READ(addr) ({ \
  16 atari_outb_p((addr),RTC_PORT(0)); \
  17 atari_inb_p(RTC_PORT(1)); \
  18 })
  19 #define CMOS_WRITE(val, addr) ({ \
  20 atari_outb_p((addr),RTC_PORT(0)); \
  21 atari_outb_p((val),RTC_PORT(1)); \
  22 })
  23 #endif /* CONFIG_ATARI */
  24
  25 #endif /* _ASM_MC146818RTC_H */