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/* $OpenBSD: hil_intio.c,v 1.6 2005/12/22 07:09:49 miod Exp $ */
/*
* Copyright (c) 2005, Miodrag Vallat.
* 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 ``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 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/device.h>
#include <sys/conf.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/cons.h>
#include <hp300/dev/intiovar.h>
#include <machine/hil_machdep.h>
#include <machine/bus.h>
#include <dev/hil/hilvar.h>
int hil_intio_match(struct device *, void *, void *);
void hil_intio_attach(struct device *, struct device *, void *);
struct cfattach hil_intio_ca = {
sizeof(struct hil_softc), hil_intio_match, hil_intio_attach
};
int
hil_intio_match(struct device *parent, void *match, void *aux)
{
struct intio_attach_args *ia = aux;
static int hil_matched = 0;
/* Allow only one instance. */
if (hil_matched != 0)
return (0);
if (badaddr((caddr_t)IIOV(HILADDR))) /* should not happen! */
return (0);
ia->ia_addr = (caddr_t)HILADDR;
return (1);
}
struct isr hil_isr;
int hil_is_console = -1; /* undecided */
void
hil_intio_attach(struct device *parent, struct device *self, void *aux)
{
struct hil_softc *sc = (void *)self;
extern struct consdev wsdisplay_cons;
sc->sc_bst = HP300_BUS_TAG(HP300_BUS_INTIO, 0);
if (bus_space_map(sc->sc_bst, HILADDR - INTIOBASE,
HILMAPSIZE, 0, &sc->sc_bsh) != 0) {
printf(": couldn't map hil controller\n");
return;
}
/*
* Check that the configured console device is a wsdisplay.
*/
if (cn_tab != &wsdisplay_cons)
hil_is_console = 0;
hil_isr.isr_func = hil_intr;
hil_isr.isr_arg = sc;
hil_isr.isr_ipl = 1;
hil_isr.isr_priority = IPL_TTY;
printf(" ipl %d", hil_isr.isr_ipl);
hil_attach(sc, &hil_is_console);
intr_establish(&hil_isr, self->dv_xname);
startuphook_establish(hil_attach_deferred, sc);
}
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