hpcioman.c revision 1.4 1 /* $NetBSD: hpcioman.c,v 1.4 2001/06/13 19:02:14 uch Exp $ */
2
3 /*-
4 * Copyright (c) 1999-2001 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/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42
43 #include <machine/config_hook.h>
44 #include <machine/platid.h>
45 #include <machine/platid_mask.h>
46
47 #include <machine/bus.h>
48 #include <dev/hpc/hpciovar.h>
49 #include <dev/hpc/hpciomanvar.h>
50
51 #include "locators.h"
52
53 int hpcioman_match(struct device *, struct cfdata *, void *);
54 void hpcioman_attach(struct device *, struct device *, void *);
55 int hpcioman_print(void *, const char *);
56 int hpcioman_search(struct device *, struct cfdata *, void *);
57
58 struct hpcioman_softc {
59 struct device sc_dev;
60 };
61
62 struct cfattach hpcioman_ca = {
63 sizeof(struct hpcioman_softc), hpcioman_match, hpcioman_attach
64 };
65
66 int
67 hpcioman_match(struct device *parent, struct cfdata *cf, void *aux)
68 {
69 struct hpcio_attach_args *haa = aux;
70 platid_mask_t mask;
71
72 if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
73 return (0);
74 /* select platform */
75 mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);
76
77 return (platid_match(&platid, &mask));
78 }
79
80 void
81 hpcioman_attach(struct device *parent, struct device *self, void *aux)
82 {
83 printf("\n");
84
85 config_search(hpcioman_search, self, aux);
86 }
87
88 int
89 hpcioman_search(struct device *parent, struct cfdata *cf, void *aux)
90 {
91 //struct hpcioman_softc *sc = (struct hpcioman_softc *)parent;
92 struct hpcio_attach_args *haa = aux;
93 struct hpcioman_attach_args hma;
94
95 /* get io chip */
96 hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);
97
98 /* interrupt mode */
99 hma.hma_intr_mode = HPCIO_INTR_HOLD;
100 if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
101 hma.hma_intr_mode |= HPCIO_INTR_LEVEL;
102 if (cf->cf_level == 0)
103 hma.hma_intr_mode |= HPCIO_INTR_LOW;
104 else
105 hma.hma_intr_mode |= HPCIO_INTR_HIGH;
106 } else {
107 hma.hma_intr_mode |= HPCIO_INTR_EDGE;
108 switch (cf->cf_edge) {
109 case 1:
110 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
111 break;
112 case 2:
113 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
114 break;
115 case 0:
116 case 3:
117 case HPCIOMANCF_EDGE_DEFAULT:
118 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
119 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
120 break;
121 default:
122 printf("%s(%d): invalid configuration, edge=%d",
123 __FILE__, __LINE__, cf->cf_edge);
124 break;
125 }
126 }
127
128 hma.hma_type = cf->cf_type;
129 hma.hma_id = cf->cf_id;
130 hma.hma_port = cf->cf_port;
131 if (cf->cf_active == 0) {
132 hma.hma_on = 0;
133 hma.hma_off = 1;
134 } else {
135 hma.hma_on = 1;
136 hma.hma_off = 0;
137 }
138 hma.hma_initvalue = -1; /* none */
139 if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
140 if (cf->cf_initvalue == 0)
141 hma.hma_initvalue = hma.hma_off;
142 else
143 hma.hma_initvalue = hma.hma_on;
144 }
145
146 config_attach(parent, cf, &hma, hpcioman_print);
147
148 return (0);
149 }
150
151 int
152 hpcioman_print(void *aux, const char *pnp)
153 {
154 struct hpcioman_attach_args *hma = aux;
155 int type = hma->hma_type;
156
157 if (!pnp) {
158 printf(" iochip %s, port %d, type %d, id %d",
159 hma->hma_hc ? hma->hma_hc->hc_name : "not found",
160 hma->hma_port, type, hma->hma_id);
161 if (type == CONFIG_HOOK_BUTTONEVENT ||
162 type == CONFIG_HOOK_PMEVENT ||
163 type == CONFIG_HOOK_EVENT) {
164 if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
165 printf (", interrupt edge [%s%s]",
166 (hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
167 ? "p" : "",
168 (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
169 ? "n" : "");
170 else
171 printf (", interrupt level %s",
172 (hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
173 "high" : "low");
174 }
175 if (hma->hma_initvalue != -1)
176 printf(", initial value %d", hma->hma_initvalue);
177 if (hma->hma_on == 0)
178 printf(", active low");
179 }
180
181 return (QUIET);
182 }
183