NetBSD/sys/arch/sh3/dev/shb.c

93 lines
2.8 KiB
C

/* $NetBSD: shb.c,v 1.14 2009/04/05 00:25:59 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: shb.c,v 1.14 2009/04/05 00:25:59 uwe Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
extern struct cfdriver shb_cd;
static int shb_match(device_t, cfdata_t, void *);
static void shb_attach(device_t, device_t, void *);
static int shb_print(void *, const char *);
static int shb_search(device_t, cfdata_t, const int *, void *);
CFATTACH_DECL_NEW(shb, 0,
shb_match, shb_attach, NULL, NULL);
static int
shb_match(device_t parent, cfdata_t cf, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, shb_cd.cd_name) != 0)
return (0);
return (1);
}
static void
shb_attach(device_t parent, device_t self, void *aux)
{
aprint_naive("\n");
aprint_normal("\n");
config_search_ia(shb_search, self, "shb", NULL);
/*
* XXX: TODO: provide hooks to manage on-chip modules. For
* now register null hooks which is no worse than before.
*/
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "unable to establish power handler\n");
}
static int
shb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
if (config_match(parent, cf, NULL) > 0)
config_attach(parent, cf, NULL, shb_print);
return (0);
}
static int
shb_print(void *aux, const char *pnp)
{
return (pnp ? QUIET : UNCONF);
}