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/*
* Real-time clock definitions and interfaces
*
* Author: Tom Rini <trini@mvista.com>
*
* 2002 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*
* Based on:
* include/asm-m68k/rtc.h
*
* Copyright Richard Zidlicky
* implementation details for genrtc/q40rtc driver
*
* And the old drivers/macintosh/rtc.c which was heavily based on:
* Linux/SPARC Real Time Clock Driver
* Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
*
* With additional work by Paul Mackerras and Franz Sirl.
*/
#ifndef __ASM_POWERPC_RTC_H__
#define __ASM_POWERPC_RTC_H__
#ifdef __KERNEL__
#include <linux/rtc.h>
#include <asm/machdep.h>
#include <asm/time.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)
{
if (ppc_md.get_rtc_time)
ppc_md.get_rtc_time(time);
return RTC_24H;
}
/* Set the current date and time in the real time clock. */
static inline int set_rtc_time(struct rtc_time *time)
{
if (ppc_md.set_rtc_time)
return ppc_md.set_rtc_time(time);
return -EINVAL;
}
static inline unsigned int get_rtc_ss(void)
{
struct rtc_time h;
get_rtc_time(&h);
return h.tm_sec;
}
static inline int get_rtc_pll(struct rtc_pll_info *pll)
{
return -EINVAL;
}
static inline int set_rtc_pll(struct rtc_pll_info *pll)
{
return -EINVAL;
}
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_RTC_H__ */