/*      $NetBSD: shb.c,v 1.16 2021/08/07 16:19:05 thorpej 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 1.16 2021/08/07 16:19:05 thorpej 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(self, NULL,
           CFARGS(.search = shb_search));

       /*
        * 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_probe(parent, cf, NULL))
               config_attach(parent, cf, NULL, shb_print, CFARGS_NONE);

       return (0);
}

static int
shb_print(void *aux, const char *pnp)
{

       return (pnp ? QUIET : UNCONF);
}