NetBSD/sys/arch/sgimips/gio/gio.c

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2000-06-14 20:50:58 +04:00
/* $NetBSD: gio.c,v 1.1 2000/06/14 16:51:00 soren Exp $ */
/*
* Copyright (c) 2000 Soren S. Jorvang
* 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 for the
* NetBSD Project. See http://www.netbsd.org/ for
* information about NetBSD.
* 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.
*/
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sgimips/gio/gioreg.h>
#include <sgimips/gio/giovar.h>
#include "locators.h"
struct gio_softc {
struct device sc_dev;
};
static int gio_match(struct device *, struct cfdata *, void *);
static void gio_attach(struct device *, struct device *, void *);
static int gio_print(void *, const char *);
static int gio_search(struct device *, struct cfdata *, void *);
struct cfattach gio_ca = {
sizeof(struct gio_softc), gio_match, gio_attach
};
static int
gio_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct giobus_attach_args *gba = aux;
if (strcmp(gba->gba_busname, match->cf_driver->cd_name) != 0)
return 0;
return 1;
}
static void
gio_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct gio_attach_args ga;
printf("\n");
config_search(gio_search, self, &ga);
}
static int
gio_print(aux, pnp)
void *aux;
const char *pnp;
{
struct gio_attach_args *ga = aux;
if (pnp != 0)
return QUIET;
if (ga->ga_slot != GIOCF_SLOT_DEFAULT)
printf(" slot %d", ga->ga_slot);
if (ga->ga_addr != GIOCF_ADDR_DEFAULT)
printf(" addr 0x%x", ga->ga_addr);
return UNCONF;
}
static int
gio_search(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct gio_attach_args *ga = aux;
do {
ga->ga_slot = cf->cf_loc[GIOCF_SLOT];
ga->ga_addr = cf->cf_loc[GIOCF_ADDR];
ga->ga_iot = 0;
ga->ga_ioh = MIPS_PHYS_TO_KSEG1(ga->ga_addr);
if ((*cf->cf_attach->ca_match)(parent, cf, ga) > 0)
config_attach(parent, cf, ga, gio_print);
} while (cf->cf_fstate == FSTATE_STAR);
return 0;
}