1 /* $OpenBSD: clock.h,v 1.2 2008/06/26 05:42:12 ray Exp $ */ 2 /* $NetBSD: clock.h,v 1.2 2002/04/28 17:10:33 uch Exp $ */ 3 4 /*- 5 * Copyright (c) 2002 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by UCHIYAMA Yasushi. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * void sh_clock_init(int flags, struct rtc_ops *): 35 * flags: 36 * SH_CLOCK_NORTC ... If SH RTC module is disabled, set this. 37 * internal module don't use RTCCLK. 38 * SH_CLOCK_NOINITTODR ... Don't initialize RTC time. 39 * rtc_ops: 40 * Machine dependent RTC ops pointer. If NULL is specified, use SH 41 * internal RTC. 42 * 43 * void machine_clock_init(void): 44 * Implement machine specific part of clock routines. 45 * must call sh_clock_init() at exit. 46 * 47 * int sh_clock_get_cpuclock(void): 48 * returns CPU clock estimated by sh_clock_init(). 49 * 50 * int sh_clock_get_pclock(void): 51 * returns PCLOCK. when PCLOCK is not specified by kernel configuration 52 * file, this value is estimated by sh_clock_init(). 53 * 54 */ 55 struct rtc_ops; 56 struct clock_ymdhms; 57 58 void sh_clock_init(int, struct rtc_ops *); 59 #define SH_CLOCK_NORTC 0x00000001 60 #define SH_CLOCK_NOINITTODR 0x00000002 61 void machine_clock_init(void); 62 63 int sh_clock_get_cpuclock(void); 64 int sh_clock_get_pclock(void); 65 66 /* 67 * SH RTC module interface. 68 */ 69 void sh_rtc_init(void *); 70 void sh_rtc_get(void *, time_t, struct clock_ymdhms *); 71 void sh_rtc_set(void *, struct clock_ymdhms *); 72 73 /* 74 * machine specific RTC ops 75 */ 76 struct clock_ymdhms; 77 struct rtc_ops { 78 void *_cookie; 79 void (*init)(void *); 80 void (*get)(void *, time_t, struct clock_ymdhms *); 81 void (*set)(void *, struct clock_ymdhms *); 82 }; 83 84