NetBSD/sys/dev/ic/mk48txxvar.h

62 lines
2.5 KiB
C

/* $NetBSD: mk48txxvar.h,v 1.7 2011/01/04 01:28:15 matt Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
struct mk48txx_softc;
typedef uint8_t (*mk48txx_nvrd_t)(struct mk48txx_softc *, int);
typedef void (*mk48txx_nvwr_t)(struct mk48txx_softc *, int, uint8_t);
struct mk48txx_softc {
device_t sc_dev;
bus_space_tag_t sc_bst; /* bus tag & handle */
bus_space_handle_t sc_bsh; /* */
struct todr_chip_handle sc_handle; /* TODR handle */
const char *sc_model; /* chip model name */
bus_size_t sc_nvramsz; /* Size of NVRAM on the chip */
bus_size_t sc_clkoffset; /* Offset in NVRAM to clock bits */
u_int sc_year0; /* What year is represented on
the system by the chip's year
counter at 0 */
u_int sc_flag;
#define MK48TXX_NO_CENT_ADJUST 0x0001
#define MK48TXX_HAVE_CENT_REG 0x0002
mk48txx_nvrd_t sc_nvrd; /* NVRAM/RTC read function */
mk48txx_nvwr_t sc_nvwr; /* NVRAM/RTC write function */
};
/* Chip attach function */
void mk48txx_attach(struct mk48txx_softc *);
/* Retrieve size of the on-chip NVRAM area */
int mk48txx_get_nvram_size(todr_chip_handle_t, bus_size_t *);