1 /* $NetBSD: lpt_mainbus.c,v 1.12 2011/07/09 16:03:01 matt Exp $ */
2
3 /*-
4 * Copyright (c) 2001 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> /* RCS ID & Copyright macro defns */
33
34 __KERNEL_RCSID(0, "$NetBSD: lpt_mainbus.c,v 1.12 2011/07/09 16:03:01 matt Exp $");
35
36 #include <sys/param.h>
37 #include <sys/bus.h>
38 #include <sys/conf.h>
39 #include <sys/device.h>
40 #include <sys/intr.h>
41 #include <sys/ioctl.h>
42 #include <sys/systm.h>
43
44 #include <algor/autoconf.h>
45
46 #include <dev/ic/lptreg.h>
47 #include <dev/ic/lptvar.h>
48
49 struct lpt_mainbus_softc {
50 struct lpt_softc sc_lpt; /* real "lpt" softc */
51
52 /* mainbus-specific goo. */
53 void *sc_ih; /* interrupt handler */
54 };
55
56 int lpt_mainbus_match(device_t, cfdata_t , void *);
57 void lpt_mainbus_attach(device_t, device_t, void *);
58
59 CFATTACH_DECL_NEW(lpt_mainbus, sizeof(struct lpt_mainbus_softc),
60 lpt_mainbus_match, lpt_mainbus_attach, NULL, NULL);
61
62 int
lpt_mainbus_match(device_t parent,cfdata_t match,void * aux)63 lpt_mainbus_match(device_t parent, cfdata_t match, void *aux)
64 {
65 struct mainbus_attach_args *ma = aux;
66
67 /* Always present. */
68 if (strcmp(ma->ma_name, match->cf_name) == 0)
69 return (1);
70
71 return (0);
72 }
73
74 void
lpt_mainbus_attach(device_t parent,device_t self,void * aux)75 lpt_mainbus_attach(device_t parent, device_t self, void *aux)
76 {
77 struct lpt_mainbus_softc *msc = device_private(self);
78 struct lpt_softc *sc = &msc->sc_lpt;
79 struct mainbus_attach_args *ma = aux;
80
81 sc->sc_dev = self;
82 sc->sc_iot = ma->ma_st;
83
84 if (bus_space_map(sc->sc_iot, ma->ma_addr, LPT_NPORTS, 0,
85 &sc->sc_ioh) != 0) {
86 aprint_error(": can't map i/o space\n");
87 return;
88 }
89
90 aprint_normal("\n");
91 aprint_naive("\n");
92
93 lpt_attach_subr(sc);
94
95 sc->sc_ih = (*algor_intr_establish)(ma->ma_irq, lptintr, sc);
96 if (msc->sc_ih == NULL) {
97 aprint_normal_dev(self, "unable to establish interrupt\n");
98 return;
99 }
100 }
101