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      1 /* $NetBSD: eumb.c,v 1.8 2021/08/07 16:19:04 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Tohru Nishimura.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: eumb.c,v 1.8 2021/08/07 16:19:04 thorpej Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/device.h>
     37 #include <sys/tty.h>
     38 #include <sys/systm.h>
     39 
     40 #include <machine/autoconf.h>
     41 #include <machine/intr.h>
     42 
     43 #include <sandpoint/sandpoint/eumbvar.h>
     44 #include "locators.h"
     45 
     46 static int  eumb_match(device_t, cfdata_t, void *);
     47 static void eumb_attach(device_t, device_t, void *);
     48 static int  eumb_print(void *, const char *);
     49 static int  eumb_search(device_t, cfdata_t, const int *, void *);
     50 
     51 CFATTACH_DECL_NEW(eumb, 0,
     52     eumb_match, eumb_attach, NULL, NULL);
     53 
     54 extern struct cfdriver eumb_cd;
     55 
     56 static int
     57 eumb_match(device_t parent, cfdata_t cf, void *aux)
     58 {
     59 	struct mainbus_attach_args *ma = aux;
     60 
     61 	if (strcmp(ma->ma_name, eumb_cd.cd_name) != 0)
     62 		return 0;
     63 	return 1;
     64 }
     65 
     66 static void
     67 eumb_attach(device_t parent, device_t self, void *aux)
     68 {
     69 
     70 	aprint_naive("\n");
     71 	aprint_normal("\n");
     72 	config_search(self, aux,
     73 	    CFARGS(.search = eumb_search));
     74 }
     75 
     76 static int
     77 eumb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
     78 {
     79 	struct mainbus_attach_args *ma = aux;
     80 	struct eumb_attach_args eaa;
     81 
     82 	eaa.eumb_name = cf->cf_name;
     83 	eaa.eumb_bt = ma->ma_bst;
     84 	eaa.eumb_unit = cf->cf_loc[EUMBCF_UNIT];
     85         if (config_probe(parent, cf, &eaa))
     86                 config_attach(parent, cf, &eaa, eumb_print, CFARGS_NONE);
     87 
     88 	return 0;
     89 }
     90 
     91 static int
     92 eumb_print(void *aux, const char *pnp)
     93 {
     94 	struct eumb_attach_args *eaa = aux;
     95 
     96 	if (pnp)
     97 		printf("%s at %s", eaa->eumb_name, pnp);
     98 	if (eaa->eumb_unit != EUMBCF_UNIT_DEFAULT)
     99 		printf(" unit %d", eaa->eumb_unit);
    100 	return UNCONF;
    101 }
    102