68 lines
2.9 KiB
C
68 lines
2.9 KiB
C
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/* $NetBSD: mk48txxvar.h,v 1.1 2003/11/01 22:41:42 tsutsui Exp $ */
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/*-
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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struct mk48txx_softc;
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typedef u_int8_t (*mk48txx_nvrd_t)(struct mk48txx_softc *, int);
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typedef void (*mk48txx_nvwr_t)(struct mk48txx_softc *, int, u_int8_t);
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struct mk48txx_softc {
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struct device sc_dev;
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bus_space_tag_t sc_bst; /* bus tag & handle */
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bus_space_handle_t sc_bsh; /* */
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struct todr_chip_handle sc_handle; /* TODR handle */
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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; /* What year is represented on
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the system by the chip's year
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counter at 0 */
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u_int sc_flag;
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#define MK48TXX_NO_CENT_ADJUST 0x0001
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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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void mk48txx_attach(struct mk48txx_softc *);
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/* Retrieve size of the on-chip NVRAM area */
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int mk48txx_get_nvram_size(todr_chip_handle_t, bus_size_t *);
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