NetBSD/sys/dev/xmi/bi_xmi.c

87 lines
2.8 KiB
C

/* $NetBSD: bi_xmi.c,v 1.1 2000/07/06 17:45:52 ragge Exp $ */
/*
* Copyright (c) 2000 Ludd, University of Lule}, Sweden. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* 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.
*/
/*
* DWMBA XMI-BI adapter.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/xmi/xmireg.h>
#include <dev/xmi/xmivar.h>
#include <dev/bi/bireg.h>
#include <dev/bi/bivar.h>
#include "locators.h"
static int
bi_xmi_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct xmi_attach_args *xa = aux;
if (bus_space_read_2(xa->xa_iot, xa->xa_ioh, XMI_TYPE) != XMIDT_DWMBA)
return 0;
if (cf->cf_loc[XMICF_NODE] != XMICF_NODE_DEFAULT &&
cf->cf_loc[XMICF_NODE] != xa->xa_nodenr)
return 0;
return 1;
}
static void
bi_xmi_attach(struct device *parent, struct device *self, void *aux)
{
struct bi_softc *sc = (void *)self;
struct xmi_attach_args *xa = aux;
/*
* Fill in bus specific data.
*/
sc->sc_addr = (bus_addr_t)BI_BASE(xa->xa_nodenr, 0);
sc->sc_iot = xa->xa_iot; /* No special I/O handling */
sc->sc_dmat = xa->xa_dmat; /* No special DMA handling either */
sc->sc_intcpu = xa->xa_intcpu;
bi_attach(sc);
}
struct cfattach bi_xmi_ca = {
sizeof(struct bi_softc), bi_xmi_match, bi_xmi_attach
};