xref: /netbsd/sys/dev/hpc/hpcout.c (revision c4a72b64)
1 /*	$NetBSD: hpcout.c,v 1.7 2002/10/02 16:33:50 thorpej 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: hpcout.c,v 1.7 2002/10/02 16:33:50 thorpej Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/device.h>
45 
46 #include <machine/config_hook.h>
47 #include <machine/bus.h>
48 
49 #include <dev/hpc/hpciovar.h>
50 #include <dev/hpc/hpciomanvar.h>
51 
52 #include "locators.h"
53 
54 int	hpcout_match(struct device *, struct cfdata *, void *);
55 void	hpcout_attach(struct device *, struct device *, void *);
56 int	hpcout_hook(void *, int, long, void *);
57 
58 struct hpcout_softc {
59 	struct device sc_dev;
60 	struct hpcioman_attach_args sc_hma;
61 };
62 
63 #define sc_hc		sc_hma.hma_hc
64 #define sc_intr_mode	sc_hma.hma_intr_mode
65 #define sc_type		sc_hma.hma_type
66 #define sc_id		sc_hma.hma_id
67 #define sc_port		sc_hma.hma_port
68 #define sc_initvalue	sc_hma.hma_initvalue
69 #define sc_on		sc_hma.hma_on
70 #define sc_off		sc_hma.hma_off
71 
72 CFATTACH_DECL(hpcout, sizeof(struct hpcout_softc),
73     hpcout_match, hpcout_attach, NULL, NULL);
74 
75 int
76 hpcout_match(struct device *parent, struct cfdata *cf, void *aux)
77 {
78 	return (1);
79 }
80 
81 void
82 hpcout_attach(struct device *parent, struct device *self, void *aux)
83 {
84 	struct hpcioman_attach_args *hma = aux;
85 	struct hpcout_softc *sc = (void *)self;
86 
87 	sc->sc_hma = *hma;	/* structure assignment */
88 
89 	if (hma->hma_hc == NULL ||
90 	    hma->hma_type == HPCIOMANCF_EVTYPE_DEFAULT ||
91 	    hma->hma_id == HPCIOMANCF_ID_DEFAULT ||
92 	    hma->hma_port == HPCIOMANCF_PORT_DEFAULT) {
93 		printf(": ignored\n");
94 		return;
95 	}
96 	printf("\n");
97 
98 	if (hma->hma_initvalue != -1)
99 		hpcio_portwrite(sc->sc_hc, sc->sc_port, hma->hma_initvalue);
100 
101 	config_hook(sc->sc_type, sc->sc_id, CONFIG_HOOK_SHARE,
102 	    hpcout_hook, sc);
103 }
104 
105 int
106 hpcout_hook(void *arg, int type, long id, void *msg)
107 {
108 	struct hpcout_softc *sc = arg;
109 
110 	printf("%s: port %d: %s\n", __FUNCTION__, sc->sc_port,
111 	    (int)msg ? "on" : "off");
112 	hpcio_portwrite(sc->sc_hc, sc->sc_port,
113 	    (int)msg ? sc->sc_on : sc->sc_off);
114 
115 	return (0);
116 }
117