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/* 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 <asm/machdep.h>
/* a few implementation details for the emulation : */
extern unsigned gen_rtc_irq_flags; /* which sort(s) of interrupts caused int */
extern unsigned gen_rtc_irq_ctrl; /* are enabled */
extern short q40rtc_oldsecs;
#define RTC_PIE 0x40 /* periodic interrupt enable */
#define RTC_AIE 0x20 /* alarm interrupt enable */
#define RTC_UIE 0x10 /* update-finished interrupt enable */
extern void gen_rtc_interrupt(unsigned long);
/* some dummy definitions */
#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 */
#endif /* __KERNEL__ */
#endif /* _ASM__RTC_H */
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