2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
31 * $NetBSD: mk48txxvar.h,v 1.6 2008/04/28 20:23:50 martin Exp $
36 typedef uint8_t (*mk48txx_nvrd_t)(device_t dev, int off);
37 typedef void (*mk48txx_nvwr_t)(device_t dev, int off, uint8_t v);
39 struct mk48txx_softc {
40 struct resource *sc_res;/* bus resource */
42 struct mtx sc_mtx; /* hardware mutex */
43 eventhandler_tag sc_wet; /* watchdog event handler tag */
45 const char *sc_model; /* chip model name */
46 bus_size_t sc_nvramsz; /* Size of NVRAM on the chip */
47 bus_size_t sc_clkoffset; /* Offset in NVRAM to clock bits */
48 u_int sc_year0; /* year counter offset */
49 u_int sc_flag; /* MD flags */
50 #define MK48TXX_NO_CENT_ADJUST 0x0001 /* don't manually adjust century */
51 #define MK48TXX_WDOG_REGISTER 0x0002 /* register watchdog */
52 #define MK48TXX_WDOG_ENABLE_WDS 0x0004 /* enable watchdog steering bit */
54 mk48txx_nvrd_t sc_nvrd; /* NVRAM/RTC read function */
55 mk48txx_nvwr_t sc_nvwr; /* NVRAM/RTC write function */
58 /* Chip attach function */
59 int mk48txx_attach(device_t dev);
61 /* Methods for the clock interface */
62 int mk48txx_gettime(device_t dev, struct timespec *ts);
63 int mk48txx_settime(device_t dev, struct timespec *ts);