2013-08-21 14:26:15 +00:00
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/*-
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* Copyright (c) 2003 Marcel Moolenaar
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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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*
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_UART_DEV_NS8250_H_
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#define _DEV_UART_DEV_NS8250_H_
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/*
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* High-level UART interface.
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*/
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struct ns8250_softc {
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struct uart_softc base;
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uint8_t fcr;
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uint8_t ier;
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uint8_t mcr;
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uint8_t ier_mask;
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uint8_t ier_rxbits;
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uint8_t busy_detect;
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};
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extern struct uart_ops uart_ns8250_ops;
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int ns8250_bus_attach(struct uart_softc *);
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int ns8250_bus_detach(struct uart_softc *);
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int ns8250_bus_flush(struct uart_softc *, int);
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int ns8250_bus_getsig(struct uart_softc *);
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int ns8250_bus_ioctl(struct uart_softc *, int, intptr_t);
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int ns8250_bus_ipend(struct uart_softc *);
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int ns8250_bus_param(struct uart_softc *, int, int, int, int);
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int ns8250_bus_probe(struct uart_softc *);
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int ns8250_bus_receive(struct uart_softc *);
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int ns8250_bus_setsig(struct uart_softc *, int);
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int ns8250_bus_transmit(struct uart_softc *);
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2014-01-19 19:39:13 +00:00
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void ns8250_bus_grab(struct uart_softc *);
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void ns8250_bus_ungrab(struct uart_softc *);
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2013-08-21 14:26:15 +00:00
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#endif /* _DEV_UART_DEV_NS8250_H_ */
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