1 /* $NetBSD: hpcout.c,v 1.16 2012/10/27 17:18:17 chs Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
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: hpcout.c,v 1.16 2012/10/27 17:18:17 chs Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38
39 #include <machine/config_hook.h>
40 #include <sys/bus.h>
41
42 #include <dev/hpc/hpciovar.h>
43 #include <dev/hpc/hpciomanvar.h>
44
45 #include "locators.h"
46
47 int hpcout_match(device_t, cfdata_t, void *);
48 void hpcout_attach(device_t, device_t, void *);
49 int hpcout_hook(void *, int, long, void *);
50
51 struct hpcout_softc {
52 struct hpcioman_attach_args sc_hma;
53 };
54
55 #define sc_hc sc_hma.hma_hc
56 #define sc_intr_mode sc_hma.hma_intr_mode
57 #define sc_type sc_hma.hma_type
58 #define sc_id sc_hma.hma_id
59 #define sc_port sc_hma.hma_port
60 #define sc_initvalue sc_hma.hma_initvalue
61 #define sc_on sc_hma.hma_on
62 #define sc_off sc_hma.hma_off
63
64 CFATTACH_DECL_NEW(hpcout, sizeof(struct hpcout_softc),
65 hpcout_match, hpcout_attach, NULL, NULL);
66
67 int
hpcout_match(device_t parent,cfdata_t cf,void * aux)68 hpcout_match(device_t parent, cfdata_t cf, void *aux)
69 {
70 return (1);
71 }
72
73 void
hpcout_attach(device_t parent,device_t self,void * aux)74 hpcout_attach(device_t parent, device_t self, void *aux)
75 {
76 struct hpcioman_attach_args *hma = aux;
77 struct hpcout_softc *sc = device_private(self);
78
79 sc->sc_hma = *hma; /* structure assignment */
80
81 if (hma->hma_hc == NULL ||
82 hma->hma_type == HPCIOMANCF_EVTYPE_DEFAULT ||
83 hma->hma_id == HPCIOMANCF_ID_DEFAULT ||
84 hma->hma_port == HPCIOMANCF_PORT_DEFAULT) {
85 printf(": ignored\n");
86 return;
87 }
88 printf("\n");
89
90 if (hma->hma_initvalue != -1)
91 hpcio_portwrite(sc->sc_hc, sc->sc_port, hma->hma_initvalue);
92
93 config_hook(sc->sc_type, sc->sc_id, CONFIG_HOOK_SHARE,
94 hpcout_hook, sc);
95 }
96
97 int
hpcout_hook(void * arg,int type,long id,void * msg)98 hpcout_hook(void *arg, int type, long id, void *msg)
99 {
100 struct hpcout_softc *sc = arg;
101
102 printf("%s: port %d: %s\n", __func__, sc->sc_port,
103 (int)msg ? "on" : "off");
104 hpcio_portwrite(sc->sc_hc, sc->sc_port,
105 (int)msg ? sc->sc_on : sc->sc_off);
106
107 return (0);
108 }
109