xref: /openbsd-src/sys/arch/hppa/dev/phantomas.c (revision 78d5ff0ec949396ff3bbc97f51b741a17179ba18)
1 /*	$OpenBSD: phantomas.c,v 1.6 2022/03/13 08:04:38 mpi Exp $	*/
2 
3 /*
4  * Copyright (c) 2002 Michael Shalayeff
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/device.h>
32 
33 #include <machine/pdc.h>
34 #include <machine/iomod.h>
35 #include <machine/autoconf.h>
36 
37 #include <hppa/dev/cpudevs.h>
38 
39 struct cfdriver phantomas_cd = {
40 	NULL, "phantomas", DV_DULL
41 };
42 
43 struct phantomas_softc {
44 	struct device sc_dev;
45 
46 };
47 
48 int	phantomasmatch(struct device *, void *, void *);
49 void	phantomasattach(struct device *, struct device *, void *);
50 
51 const struct cfattach phantomas_ca = {
52 	sizeof(struct phantomas_softc), phantomasmatch, phantomasattach
53 };
54 
55 int
phantomasmatch(struct device * parent,void * cfdata,void * aux)56 phantomasmatch(struct device *parent, void *cfdata, void *aux)
57 {
58 	struct confargs *ca = aux;
59 
60 	if (ca->ca_type.iodc_type != HPPA_TYPE_BCPORT ||
61 	    ca->ca_type.iodc_sv_model != HPPA_BCPORT_PHANTOM)
62 		return (0);
63 
64 	return (1);
65 }
66 
67 void
phantomasattach(struct device * parent,struct device * self,void * aux)68 phantomasattach(struct device *parent, struct device *self, void *aux)
69 {
70 	struct confargs *ca = aux, nca;
71 
72 	printf("\n");
73 
74 	nca = *ca;
75 	nca.ca_hpamask = HPPA_IOBEGIN;
76 	pdc_scanbus(self, &nca, MAXMODBUS, 0, 0);
77 }
78