xref: /netbsd-src/sys/dev/ic/iic_cpcbus.c (revision 274254cdae52594c1aa480a736aef78313d15c9c)
1 /*	$NetBSD: iic_cpcbus.c,v 1.10 2008/04/28 20:23:50 martin Exp $	*/
2 
3 /*
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp.
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: iic_cpcbus.c,v 1.10 2008/04/28 20:23:50 martin Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/device.h>
37 #include <sys/systm.h>
38 
39 #include <sys/bus.h>
40 #include <dev/ic/cpc700reg.h>
41 #include <dev/ic/cpc700var.h>
42 
43 struct iic_cpcbus_softc {
44 	struct device sc_dev;
45 	bus_space_tag_t sc_iot;
46 	bus_space_handle_t sc_ioh;
47 	void *sc_ih;
48 };
49 
50 static int	iic_cpcbus_match(struct device *, struct cfdata *, void *);
51 static void	iic_cpcbus_attach(struct device *, struct device *, void *);
52 
53 CFATTACH_DECL(iic_cpcbus, sizeof(struct iic_cpcbus_softc),
54     iic_cpcbus_match, iic_cpcbus_attach, NULL, NULL);
55 
56 int
57 iic_cpcbus_match(struct device *parent, struct cfdata *cf, void *aux)
58 {
59 	struct cpcbus_attach_args *caa = aux;
60 
61 	return (strcmp(caa->cpca_name, "cpciic") == 0);
62 }
63 
64 void
65 iic_cpcbus_attach(struct device *parent, struct device *self, void *aux)
66 {
67 	struct cpcbus_attach_args *caa = aux;
68 	struct iic_cpcbus_softc *sc = (struct iic_cpcbus_softc *)self;
69 
70 	sc->sc_iot = caa->cpca_tag;
71 	if (bus_space_map(sc->sc_iot, caa->cpca_addr, CPC_IIC_SIZE, 0,
72 			  &sc->sc_ioh)) {
73 		aprint_error_dev(self, "can't map i/o space\n");
74 		return;
75 	}
76 
77 	printf(": driver not implemented\n");
78 }
79