NetBSD/sys/arch/hp300/dev/hil_intio.c

108 lines
3.0 KiB
C

/* $NetBSD: hil_intio.c,v 1.5 2024/01/16 05:48:28 thorpej Exp $ */
/* $OpenBSD: hil_intio.c,v 1.8 2007/01/06 20:10:57 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 "wsdisplay.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/bus.h>
#include <sys/cpu.h>
#include <machine/intr.h>
#include <dev/cons.h>
#if NWSDISPLAY > 0
#include <dev/wscons/wsdisplayvar.h>
#endif
#include <hp300/dev/intiovar.h>
#include <machine/hil_machdep.h>
#include <dev/hil/hilvar.h>
static int hil_intio_match(device_t, cfdata_t, void *);
static void hil_intio_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(hil_intio, sizeof(struct hil_softc),
hil_intio_match, hil_intio_attach, NULL, NULL);
int
hil_intio_match(device_t parent, cfdata_t cf, void *aux)
{
struct intio_attach_args *ia = aux;
static int hil_matched = 0;
if (strcmp("hil", ia->ia_modname) != 0)
return 0;
/* Allow only one instance. */
if (hil_matched != 0)
return 0;
if (badaddr((void *)ia->ia_addr)) /* should not happen! */
return 0;
return 1;
}
int hil_is_console = -1; /* undecided */
void
hil_intio_attach(device_t parent, device_t self, void *aux)
{
struct hil_softc *sc = device_private(self);
struct intio_attach_args *ia = aux;
sc->sc_dev = self;
sc->sc_bst = ia->ia_bst;
if (bus_space_map(sc->sc_bst, ia->ia_iobase,
HILMAPSIZE, 0, &sc->sc_bsh) != 0) {
aprint_error(": couldn't map hil controller\n");
return;
}
/*
* Check that the configured console device is a wsdisplay.
*/
#if NWSDISPLAY > 0
if (cn_tab->cn_putc != wsdisplay_cnputc)
#endif
{
hil_is_console = 0;
}
hil_attach(sc, &hil_is_console);
intr_establish(hil_intr, sc, ia->ia_ipl, ISRPRI_TTY);
config_interrupts(self, hil_attach_deferred);
}