55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* $NetBSD: pl061var.h,v 1.2 2018/10/21 18:31:14 jmcneill Exp $ */
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/*
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* Copyright (c) 2018 Jonathan A. Kollasch
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* All rights reserved.
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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
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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 COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PL061VAR_H
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#define _PL061VAR_H
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struct plgpio_softc {
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device_t sc_dev;
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bus_space_tag_t sc_bst;
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bus_space_handle_t sc_bsh;
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struct gpio_chipset_tag sc_gc;
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gpio_pin_t sc_pins[8];
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uint32_t sc_reserved_mask;
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};
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void plgpio_attach(struct plgpio_softc *);
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int plgpio_pin_read(void *, int);
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void plgpio_pin_write(void *, int, int);
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void plgpio_pin_ctl(void *, int, int);
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#define PLGPIO_WRITE(sc, reg, val) \
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bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
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#define PLGPIO_READ(sc, reg) \
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bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
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#endif /* !_PL061VAR_H */
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