xref: /netbsd/sys/dev/hpc/hpcout.c (revision 6550d01e)
1 /*	$NetBSD: hpcout.c,v 1.15 2009/05/12 14:22:39 cegger 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 1.15 2009/05/12 14:22:39 cegger 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 device sc_dev;
53 	struct hpcioman_attach_args sc_hma;
54 };
55 
56 #define sc_hc		sc_hma.hma_hc
57 #define sc_intr_mode	sc_hma.hma_intr_mode
58 #define sc_type		sc_hma.hma_type
59 #define sc_id		sc_hma.hma_id
60 #define sc_port		sc_hma.hma_port
61 #define sc_initvalue	sc_hma.hma_initvalue
62 #define sc_on		sc_hma.hma_on
63 #define sc_off		sc_hma.hma_off
64 
65 CFATTACH_DECL(hpcout, sizeof(struct hpcout_softc),
66     hpcout_match, hpcout_attach, NULL, NULL);
67 
68 int
69 hpcout_match(device_t parent, cfdata_t cf, void *aux)
70 {
71 	return (1);
72 }
73 
74 void
75 hpcout_attach(device_t parent, device_t self, void *aux)
76 {
77 	struct hpcioman_attach_args *hma = aux;
78 	struct hpcout_softc *sc = device_private(self);
79 
80 	sc->sc_hma = *hma;	/* structure assignment */
81 
82 	if (hma->hma_hc == NULL ||
83 	    hma->hma_type == HPCIOMANCF_EVTYPE_DEFAULT ||
84 	    hma->hma_id == HPCIOMANCF_ID_DEFAULT ||
85 	    hma->hma_port == HPCIOMANCF_PORT_DEFAULT) {
86 		printf(": ignored\n");
87 		return;
88 	}
89 	printf("\n");
90 
91 	if (hma->hma_initvalue != -1)
92 		hpcio_portwrite(sc->sc_hc, sc->sc_port, hma->hma_initvalue);
93 
94 	config_hook(sc->sc_type, sc->sc_id, CONFIG_HOOK_SHARE,
95 	    hpcout_hook, sc);
96 }
97 
98 int
99 hpcout_hook(void *arg, int type, long id, void *msg)
100 {
101 	struct hpcout_softc *sc = arg;
102 
103 	printf("%s: port %d: %s\n", __func__, sc->sc_port,
104 	    (int)msg ? "on" : "off");
105 	hpcio_portwrite(sc->sc_hc, sc->sc_port,
106 	    (int)msg ? sc->sc_on : sc->sc_off);
107 
108 	return (0);
109 }
110