NetBSD/sys/arch/i386/pnpbios/com_pnpbios.c

117 lines
3.2 KiB
C

/* $NetBSD: com_pnpbios.c,v 1.2 1999/11/14 02:15:50 thorpej Exp $ */
/*
* Copyright (c) 1999
* Matthias Drochner. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <i386/pnpbios/pnpbiosvar.h>
#include <dev/ic/comvar.h>
struct com_pnpbios_softc {
struct com_softc sc_com;
void *sc_ih;
};
int com_pnpbios_match __P((struct device *, struct cfdata *, void *));
void com_pnpbios_attach __P((struct device *, struct device *, void *));
struct cfattach com_pnpbios_ca = {
sizeof(struct com_pnpbios_softc), com_pnpbios_match, com_pnpbios_attach
};
int
com_pnpbios_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pnpbiosdev_attach_args *aa = aux;
if (strcmp(aa->idstr, "PNP0500") &&
strcmp(aa->idstr, "PNP0501") &&
strcmp(aa->idstr, "PNP0511"))
return (0);
return (1);
}
void
com_pnpbios_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct com_pnpbios_softc *psc = (void *)self;
struct com_softc *sc = &psc->sc_com;
struct pnpbiosdev_attach_args *aa = aux;
bus_space_tag_t iot;
int iobase;
if (pnpbios_getiobase(aa->pbt, aa->resc, 0, &iot, &iobase)) {
printf(": can't get iobase\n");
return;
}
if (com_is_console(iot, iobase, &sc->sc_ioh))
sc->sc_iot = iot;
else if (pnpbios_io_map(aa->pbt, aa->resc, 0,
&sc->sc_iot, &sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_iobase = iobase;
printf("\n");
pnpbios_print_devres(self, aa);
printf("%s", self->dv_xname);
/*
* if the chip isn't something we recognise skip it.
*/
if (comprobe1(sc->sc_iot, sc->sc_ioh) == 0)
return;
sc->sc_frequency = 115200 * 16;
com_attach_subr(sc);
psc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_SERIAL,
comintr, sc);
}