NetBSD/sys/dev/isapnp/com_isapnp.c

114 lines
3.7 KiB
C

/* $NetBSD: com_isapnp.c,v 1.13 1998/07/23 19:30:44 christos Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Michael Graff <explorer@flame.org>.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/termios.h>
#include <machine/bus.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
#include <dev/ic/comvar.h>
struct com_isapnp_softc {
struct com_softc sc_com; /* real "com" softc */
/* ISAPnP-specific goo. */
void *sc_ih; /* interrupt handler */
};
int com_isapnp_match __P((struct device *, struct cfdata *, void *));
void com_isapnp_attach __P((struct device *, struct device *, void *));
struct cfattach com_isapnp_ca = {
sizeof(struct com_isapnp_softc), com_isapnp_match, com_isapnp_attach
};
int
com_isapnp_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
return isapnp_devmatch(aux, &isapnp_com_devinfo);
}
void
com_isapnp_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct com_isapnp_softc *isc = (void *)self;
struct com_softc *sc = &isc->sc_com;
struct isapnp_attach_args *ipa = aux;
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
printf("%s: error in region allocation\n",
sc->sc_dev.dv_xname);
return;
}
sc->sc_iot = ipa->ipa_iot;
sc->sc_iobase = ipa->ipa_io[0].base;
sc->sc_ioh = ipa->ipa_io[0].h;
/*
* if the chip isn't something we recognise skip it.
*/
if (comprobe1(sc->sc_iot, sc->sc_ioh, sc->sc_iobase) == 0)
return;
sc->sc_frequency = 115200 * 16; /* is that always right? */
com_attach_subr(sc);
isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
ipa->ipa_irq[0].type, IPL_SERIAL, comintr, sc);
}