xref: /netbsd-src/sys/dev/ic/iic_cpcbus.c (revision cbab9cadce21ae72fac13910001079fff214cc29)
1 /*	$NetBSD: iic_cpcbus.c,v 1.13 2012/10/27 17:18:20 chs 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 1.13 2012/10/27 17:18:20 chs 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 	bus_space_tag_t sc_iot;
45 	bus_space_handle_t sc_ioh;
46 	void *sc_ih;
47 };
48 
49 static int	iic_cpcbus_match(device_t, cfdata_t, void *);
50 static void	iic_cpcbus_attach(device_t, device_t, void *);
51 
52 CFATTACH_DECL_NEW(iic_cpcbus, sizeof(struct iic_cpcbus_softc),
53     iic_cpcbus_match, iic_cpcbus_attach, NULL, NULL);
54 
55 int
iic_cpcbus_match(device_t parent,cfdata_t cf,void * aux)56 iic_cpcbus_match(device_t parent, cfdata_t cf, void *aux)
57 {
58 	struct cpcbus_attach_args *caa = aux;
59 
60 	return (strcmp(caa->cpca_name, "cpciic") == 0);
61 }
62 
63 void
iic_cpcbus_attach(device_t parent,device_t self,void * aux)64 iic_cpcbus_attach(device_t parent, device_t self, void *aux)
65 {
66 	struct cpcbus_attach_args *caa = aux;
67 	struct iic_cpcbus_softc *sc = device_private(self);
68 
69 	sc->sc_iot = caa->cpca_tag;
70 	if (bus_space_map(sc->sc_iot, caa->cpca_addr, CPC_IIC_SIZE, 0,
71 			  &sc->sc_ioh)) {
72 		aprint_error_dev(self, "can't map i/o space\n");
73 		return;
74 	}
75 
76 	printf(": driver not implemented\n");
77 }
78