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65 lines
1.2 KiB
65 lines
1.2 KiB
20 years ago
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/*
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* A glue layer that provides RTC read/write to drivers/char/genrtc.c driver
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* based on MIPS internal RTC routines. It does take care locking
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* issues so that we are SMP/Preemption safe.
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*
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* Copyright (C) 2004 MontaVista Software Inc.
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* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
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*
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* Please read the COPYING file for all license details.
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*/
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#include <linux/spinlock.h>
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#include <asm/rtc.h>
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#include <asm/time.h>
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static spinlock_t mips_rtc_lock = SPIN_LOCK_UNLOCKED;
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unsigned int get_rtc_time(struct rtc_time *time)
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{
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unsigned long nowtime;
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spin_lock(&mips_rtc_lock);
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nowtime = rtc_get_time();
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to_tm(nowtime, time);
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time->tm_year -= 1900;
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spin_unlock(&mips_rtc_lock);
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return RTC_24H;
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}
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int set_rtc_time(struct rtc_time *time)
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{
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unsigned long nowtime;
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int ret;
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spin_lock(&mips_rtc_lock);
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nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
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time->tm_mday, time->tm_hour, time->tm_min,
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time->tm_sec);
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ret = rtc_set_time(nowtime);
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spin_unlock(&mips_rtc_lock);
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return ret;
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}
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unsigned int get_rtc_ss(void)
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{
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struct rtc_time h;
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get_rtc_time(&h);
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return h.tm_sec;
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}
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int get_rtc_pll(struct rtc_pll_info *pll)
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{
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return -EINVAL;
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}
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int set_rtc_pll(struct rtc_pll_info *pll)
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{
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return -EINVAL;
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}
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