1 /* $NetBSD: mk48txxvar.h,v 1.7 2011/01/04 01:28:15 matt Exp $ */ 2 /*- 3 * Copyright (c) 2000 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Paul Kranenburg. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 struct mk48txx_softc; 32 33 typedef uint8_t (*mk48txx_nvrd_t)(struct mk48txx_softc *, int); 34 typedef void (*mk48txx_nvwr_t)(struct mk48txx_softc *, int, uint8_t); 35 36 struct mk48txx_softc { 37 device_t sc_dev; 38 39 bus_space_tag_t sc_bst; /* bus tag & handle */ 40 bus_space_handle_t sc_bsh; /* */ 41 42 struct todr_chip_handle sc_handle; /* TODR handle */ 43 const char *sc_model; /* chip model name */ 44 bus_size_t sc_nvramsz; /* Size of NVRAM on the chip */ 45 bus_size_t sc_clkoffset; /* Offset in NVRAM to clock bits */ 46 u_int sc_year0; /* What year is represented on 47 the system by the chip's year 48 counter at 0 */ 49 u_int sc_flag; 50 #define MK48TXX_NO_CENT_ADJUST 0x0001 51 #define MK48TXX_HAVE_CENT_REG 0x0002 52 53 mk48txx_nvrd_t sc_nvrd; /* NVRAM/RTC read function */ 54 mk48txx_nvwr_t sc_nvwr; /* NVRAM/RTC write function */ 55 }; 56 57 /* Chip attach function */ 58 void mk48txx_attach(struct mk48txx_softc *); 59 60 /* Retrieve size of the on-chip NVRAM area */ 61 int mk48txx_get_nvram_size(todr_chip_handle_t, bus_size_t *); 62