158b1a55f1
device instances if there are more than one of a given type in the PnP BIOS device table. Add a pnpbios attachment for `lpt'.
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/* $NetBSD: com_pnpbios.c,v 1.2 1999/11/14 02:15:50 thorpej Exp $ */
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/*
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* Copyright (c) 1999
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* Matthias Drochner. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/termios.h>
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#include <machine/bus.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <i386/pnpbios/pnpbiosvar.h>
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#include <dev/ic/comvar.h>
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struct com_pnpbios_softc {
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struct com_softc sc_com;
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void *sc_ih;
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};
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int com_pnpbios_match __P((struct device *, struct cfdata *, void *));
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void com_pnpbios_attach __P((struct device *, struct device *, void *));
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struct cfattach com_pnpbios_ca = {
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sizeof(struct com_pnpbios_softc), com_pnpbios_match, com_pnpbios_attach
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};
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int
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com_pnpbios_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct pnpbiosdev_attach_args *aa = aux;
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if (strcmp(aa->idstr, "PNP0500") &&
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strcmp(aa->idstr, "PNP0501") &&
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strcmp(aa->idstr, "PNP0511"))
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return (0);
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return (1);
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}
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void
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com_pnpbios_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct com_pnpbios_softc *psc = (void *)self;
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struct com_softc *sc = &psc->sc_com;
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struct pnpbiosdev_attach_args *aa = aux;
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bus_space_tag_t iot;
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int iobase;
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if (pnpbios_getiobase(aa->pbt, aa->resc, 0, &iot, &iobase)) {
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printf(": can't get iobase\n");
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return;
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}
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if (com_is_console(iot, iobase, &sc->sc_ioh))
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sc->sc_iot = iot;
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else if (pnpbios_io_map(aa->pbt, aa->resc, 0,
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&sc->sc_iot, &sc->sc_ioh)) {
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printf(": can't map i/o space\n");
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return;
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}
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sc->sc_iobase = iobase;
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printf("\n");
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pnpbios_print_devres(self, aa);
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printf("%s", self->dv_xname);
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/*
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* if the chip isn't something we recognise skip it.
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*/
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if (comprobe1(sc->sc_iot, sc->sc_ioh) == 0)
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return;
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sc->sc_frequency = 115200 * 16;
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com_attach_subr(sc);
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psc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_SERIAL,
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comintr, sc);
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}
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