mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 05:57:08 +07:00
e329331aed
The mips_rtc_lock is no longer needed because RTC operations should be
protected already by other mechanism. (rtc_lock, local_irq_save, etc.)
Also, locking whole rtc_get_time/rtc_set_time should be avoided while
some RTC routines might take very long time (a few seconds).
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/*
|
|
* include/asm-mips/rtc.h
|
|
*
|
|
* (Really an interface for drivers/char/genrtc.c)
|
|
*
|
|
* Copyright (C) 2004 MontaVista Software Inc.
|
|
* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
|
|
*
|
|
* Please read the COPYING file for all license details.
|
|
*/
|
|
|
|
#ifndef _MIPS_RTC_H
|
|
#define _MIPS_RTC_H
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/rtc.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)
|
|
{
|
|
unsigned long nowtime;
|
|
|
|
nowtime = rtc_get_time();
|
|
to_tm(nowtime, time);
|
|
time->tm_year -= 1900;
|
|
|
|
return RTC_24H;
|
|
}
|
|
|
|
static inline int set_rtc_time(struct rtc_time *time)
|
|
{
|
|
unsigned long nowtime;
|
|
int ret;
|
|
|
|
nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
|
|
time->tm_mday, time->tm_hour, time->tm_min,
|
|
time->tm_sec);
|
|
ret = rtc_set_time(nowtime);
|
|
|
|
return ret;
|
|
}
|
|
|
|
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
|
|
#endif
|