48852d8653
- Set dow = -1 in mk48txx_gettime() because some drivers (for example the NetBSD and OpenBSD mk48txx(4)) don't set it correctly.
62 lines
2.6 KiB
C
62 lines
2.6 KiB
C
/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: mk48txxvar.h,v 1.6 2008/04/28 20:23:50 martin Exp $
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*
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* $FreeBSD$
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*/
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typedef uint8_t (*mk48txx_nvrd_t)(device_t dev, int off);
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typedef void (*mk48txx_nvwr_t)(device_t dev, int off, uint8_t v);
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struct mk48txx_softc {
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struct resource *sc_res;/* bus resource */
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struct mtx sc_mtx; /* hardware mutex */
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eventhandler_tag sc_wet; /* watchdog event handler tag */
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const char *sc_model; /* chip model name */
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bus_size_t sc_nvramsz; /* Size of NVRAM on the chip */
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bus_size_t sc_clkoffset; /* Offset in NVRAM to clock bits */
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u_int sc_year0; /* year counter offset */
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u_int sc_flag; /* MD flags */
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#define MK48TXX_NO_CENT_ADJUST 0x0001 /* don't manually adjust century */
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#define MK48TXX_WDOG_REGISTER 0x0002 /* register watchdog */
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#define MK48TXX_WDOG_ENABLE_WDS 0x0004 /* enable watchdog steering bit */
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mk48txx_nvrd_t sc_nvrd; /* NVRAM/RTC read function */
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mk48txx_nvwr_t sc_nvwr; /* NVRAM/RTC write function */
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};
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/* Chip attach function */
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int mk48txx_attach(device_t dev);
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/* Methods for the clock interface */
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int mk48txx_gettime(device_t dev, struct timespec *ts);
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int mk48txx_settime(device_t dev, struct timespec *ts);
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