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/* $OpenBSD: com_isapnp.c,v 1.6 2022/04/06 18:59:28 naddy Exp $ */
/*
* Copyright (c) 1997 - 1999, Jason Downs. All rights reserved.
*
* 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.
* 3. Neither the name(s) of the author(s) nor the name OpenBSD
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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.
*/
/*-
* Copyright (c) 1993, 1994, 1995, 1996
* Charles M. Hannum. All rights reserved.
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)com.c 7.5 (Berkeley) 5/16/91
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/device.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/isa/isavar.h>
int com_isapnp_probe(struct device *, void *, void *);
void com_isapnp_attach(struct device *, struct device *, void *);
const struct cfattach com_isapnp_ca = {
sizeof(struct com_softc), com_isapnp_probe, com_isapnp_attach
};
int
com_isapnp_probe(struct device *parent, void *match, void *aux)
{
struct isa_attach_args *ia = aux;
bus_space_tag_t iot;
bus_space_handle_t ioh;
int iobase;
iot = ia->ia_iot;
iobase = ia->ia_iobase;
ioh = ia->ia_ioh;
/* if it's in use as console, it's there. */
if (iobase == comconsaddr && !comconsattached)
return (1);
return comprobe1(iot, ioh);
}
void
com_isapnp_attach(struct device *parent, struct device *self, void *aux)
{
struct com_softc *sc = (void *)self;
int iobase;
int irq;
bus_space_tag_t iot;
bus_space_handle_t ioh;
struct isa_attach_args *ia = aux;
/*
* XXX should be broken out into functions for isa attach and
* XXX for commulti attach, with a helper function that contains
* XXX most of the interesting stuff.
*/
sc->sc_hwflags = 0;
sc->sc_swflags = 0;
/*
* We're living on an isa.
*/
iobase = ia->ia_iobase;
iot = ia->ia_iot;
/* No console support! */
ioh = ia->ia_ioh;
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_iobase = iobase;
sc->sc_frequency = COM_FREQ;
com_attach_subr(sc);
irq = ia->ia_irq;
if (irq != IRQUNK) {
sc->sc_ih = isa_intr_establish(ia->ia_ic, irq,
IST_EDGE, IPL_TTY, comintr, sc,
sc->sc_dev.dv_xname);
}
}
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