1 /* $NetBSD: joy_isapnp.c,v 1.14 2011/12/05 19:20:54 christos Exp $ */
2
3 /*-
4 * Copyright (c) 1996, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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: joy_isapnp.c,v 1.14 2011/12/05 19:20:54 christos Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/device.h>
39
40 #include <sys/bus.h>
41
42 #include <dev/isa/isavar.h>
43 #include <dev/isapnp/isapnpreg.h>
44 #include <dev/isapnp/isapnpvar.h>
45 #include <dev/isapnp/isapnpdevs.h>
46
47 #include <dev/ic/joyvar.h>
48
49 struct joy_isapnp_softc {
50 struct joy_softc sc_joy;
51 kmutex_t sc_lock;
52 };
53
54 static int joy_isapnp_match(device_t, cfdata_t, void *);
55 static void joy_isapnp_attach(device_t, device_t, void *);
56
57 CFATTACH_DECL_NEW(joy_isapnp, sizeof(struct joy_isapnp_softc),
58 joy_isapnp_match, joy_isapnp_attach, NULL, NULL);
59
60 static int
joy_isapnp_match(device_t parent,cfdata_t match,void * aux)61 joy_isapnp_match(device_t parent, cfdata_t match, void *aux)
62 {
63 int pri, variant;
64
65 pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
66 if (pri && variant > 0)
67 pri = 0;
68 return pri;
69 }
70
71 static void
joy_isapnp_attach(device_t parent,device_t self,void * aux)72 joy_isapnp_attach(device_t parent, device_t self, void *aux)
73 {
74 struct joy_isapnp_softc *isc = device_private(self);
75 struct joy_softc *sc = &isc->sc_joy;
76 struct isapnp_attach_args *ipa = aux;
77 bus_space_handle_t ioh;
78
79 aprint_normal("\n");
80
81 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
82 aprint_error_dev(self, "error in region allocation\n");
83 return;
84 }
85
86 if (ipa->ipa_io[0].length == 8) {
87 if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
88 &ioh) < 0) {
89 aprint_error_dev(self, "error in region allocation\n");
90 return;
91 }
92 } else
93 ioh = ipa->ipa_io[0].h;
94
95 mutex_init(&isc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
96
97 sc->sc_iot = ipa->ipa_iot;
98 sc->sc_ioh = ioh;
99 sc->sc_dev = self;
100 sc->sc_lock = &isc->sc_lock;
101
102 aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
103 ipa->ipa_devclass);
104
105 joyattach(sc);
106 }
107