forked from Imagelibrary/rtems
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* This file contains the definitions for the following real-time clocks:
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*
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* + Mostek M48T08
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* + Mostek M48T18
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* + Dallas Semiconductor DS1643
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* 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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#ifndef __LIBCHIP_M48T08_h
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#define __LIBCHIP_M48T08_h
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/*
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* Register indices
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*/
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#define M48T08_CONTROL 0
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#define M48T08_SECOND 1
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#define M48T08_MINUTE 2
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#define M48T08_HOUR 3
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#define M48T08_DAY_OF_WEEK 4
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#define M48T08_DATE 5
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#define M48T08_MONTH 6
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#define M48T08_YEAR 7
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/*
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* Driver function table
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*/
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extern rtc_fns m48t08_fns;
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/*
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* Default register access routines
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*/
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uint32_t m48t08_get_register( /* registers are at 1 byte boundaries */
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uintptr_t ulCtrlPort, /* and accessed as bytes */
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uint8_t ucRegNum
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);
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void m48t08_set_register(
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uintptr_t ulCtrlPort,
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uint8_t ucRegNum,
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uint32_t ucData
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);
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uint32_t m48t08_get_register_2( /* registers are at 2 byte boundaries */
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uintptr_t ulCtrlPort, /* and accessed as bytes */
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uint8_t ucRegNum
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);
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void m48t08_set_register_2(
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uintptr_t ulCtrlPort,
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uint8_t ucRegNum,
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uint32_t ucData
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);
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uint32_t m48t08_get_register_4( /* registers are at 4 byte boundaries */
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uintptr_t ulCtrlPort, /* and accessed as bytes */
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uint8_t ucRegNum
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);
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void m48t08_set_register_4(
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uintptr_t ulCtrlPort,
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uint8_t ucRegNum,
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uint32_t ucData
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);
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uint32_t m48t08_get_register_8( /* registers are at 8 byte boundaries */
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uintptr_t ulCtrlPort, /* and accessed as bytes */
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uint8_t ucRegNum
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);
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void m48t08_set_register_8(
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uintptr_t ulCtrlPort,
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uint8_t ucRegNum,
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uint32_t ucData
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);
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#endif
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/* end of include file */
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