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/* $OpenBSD: clock.h,v 1.2 2008/06/26 05:42:12 ray Exp $ */
/* $NetBSD: clock.h,v 1.2 2002/04/28 17:10:33 uch Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* void sh_clock_init(int flags, struct rtc_ops *):
* flags:
* SH_CLOCK_NORTC ... If SH RTC module is disabled, set this.
* internal module don't use RTCCLK.
* SH_CLOCK_NOINITTODR ... Don't initialize RTC time.
* rtc_ops:
* Machine dependent RTC ops pointer. If NULL is specified, use SH
* internal RTC.
*
* void machine_clock_init(void):
* Implement machine specific part of clock routines.
* must call sh_clock_init() at exit.
*
* int sh_clock_get_cpuclock(void):
* returns CPU clock estimated by sh_clock_init().
*
* int sh_clock_get_pclock(void):
* returns PCLOCK. when PCLOCK is not specified by kernel configuration
* file, this value is estimated by sh_clock_init().
*
*/
struct rtc_ops;
struct clock_ymdhms;
void sh_clock_init(int, struct rtc_ops *);
#define SH_CLOCK_NORTC 0x00000001
#define SH_CLOCK_NOINITTODR 0x00000002
void machine_clock_init(void);
int sh_clock_get_cpuclock(void);
int sh_clock_get_pclock(void);
/*
* SH RTC module interface.
*/
void sh_rtc_init(void *);
void sh_rtc_get(void *, time_t, struct clock_ymdhms *);
void sh_rtc_set(void *, struct clock_ymdhms *);
/*
* machine specific RTC ops
*/
struct clock_ymdhms;
struct rtc_ops {
void *_cookie;
void (*init)(void *);
void (*get)(void *, time_t, struct clock_ymdhms *);
void (*set)(void *, struct clock_ymdhms *);
};
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