1 /* $NetBSD: clock.h,v 1.4 2008/04/28 20:23:35 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * void sh_clock_init(int flags, struct rtc_ops *): 34 * flags: 35 * SH_CLOCK_NORTC ... If SH RTC module is disabled, set this. 36 * internal module don't use RTCCLK. 37 * SH_CLOCK_NOINITTODR ... Don't initialize RTC time. 38 * rtc_ops: 39 * Machine dependent RTC ops pointer. If NULL is specified, use SH 40 * internal RTC. 41 * 42 * void machine_clock_init(void): 43 * Implement machine specific part of clock routines. 44 * must call sh_clock_init() at exit. 45 * 46 * int sh_clock_get_cpuclock(void): 47 * returns CPU clock estimated by sh_clock_init(). 48 * 49 * int sh_clock_get_pclock(void): 50 * returns PCLOCK. when PCLOCK is not specified by kernel configuration 51 * file, this value is estimated by sh_clock_init(). 52 * 53 */ 54 #ifndef _SH3_CLOCK_H_ 55 #define _SH3_CLOCK_H_ 56 57 void machine_clock_init(void); 58 59 void sh_clock_init(int); 60 #define SH_CLOCK_NORTC 0x00000001 61 #define SH_CLOCK_NOINITTODR 0x00000002 62 63 int sh_clock_get_cpuclock(void); 64 int sh_clock_get_pclock(void); 65 66 #endif /* _SH3_CLOCK_H_ */ 67