hpcioman.c revision 1.5 1 /* $NetBSD: hpcioman.c,v 1.5 2001/11/13 12:47:56 lukem 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/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: hpcioman.c,v 1.5 2001/11/13 12:47:56 lukem 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/platid.h>
48 #include <machine/platid_mask.h>
49
50 #include <machine/bus.h>
51 #include <dev/hpc/hpciovar.h>
52 #include <dev/hpc/hpciomanvar.h>
53
54 #include "locators.h"
55
56 int hpcioman_match(struct device *, struct cfdata *, void *);
57 void hpcioman_attach(struct device *, struct device *, void *);
58 int hpcioman_print(void *, const char *);
59 int hpcioman_search(struct device *, struct cfdata *, void *);
60
61 struct hpcioman_softc {
62 struct device sc_dev;
63 };
64
65 struct cfattach hpcioman_ca = {
66 sizeof(struct hpcioman_softc), hpcioman_match, hpcioman_attach
67 };
68
69 int
70 hpcioman_match(struct device *parent, struct cfdata *cf, void *aux)
71 {
72 struct hpcio_attach_args *haa = aux;
73 platid_mask_t mask;
74
75 if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
76 return (0);
77 /* select platform */
78 mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);
79
80 return (platid_match(&platid, &mask));
81 }
82
83 void
84 hpcioman_attach(struct device *parent, struct device *self, void *aux)
85 {
86 printf("\n");
87
88 config_search(hpcioman_search, self, aux);
89 }
90
91 int
92 hpcioman_search(struct device *parent, struct cfdata *cf, void *aux)
93 {
94 //struct hpcioman_softc *sc = (struct hpcioman_softc *)parent;
95 struct hpcio_attach_args *haa = aux;
96 struct hpcioman_attach_args hma;
97
98 /* get io chip */
99 hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);
100
101 /* interrupt mode */
102 hma.hma_intr_mode = HPCIO_INTR_HOLD;
103 if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
104 hma.hma_intr_mode |= HPCIO_INTR_LEVEL;
105 if (cf->cf_level == 0)
106 hma.hma_intr_mode |= HPCIO_INTR_LOW;
107 else
108 hma.hma_intr_mode |= HPCIO_INTR_HIGH;
109 } else {
110 hma.hma_intr_mode |= HPCIO_INTR_EDGE;
111 switch (cf->cf_edge) {
112 case 1:
113 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
114 break;
115 case 2:
116 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
117 break;
118 case 0:
119 case 3:
120 case HPCIOMANCF_EDGE_DEFAULT:
121 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
122 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
123 break;
124 default:
125 printf("%s(%d): invalid configuration, edge=%d",
126 __FILE__, __LINE__, cf->cf_edge);
127 break;
128 }
129 }
130
131 hma.hma_type = cf->cf_type;
132 hma.hma_id = cf->cf_id;
133 hma.hma_port = cf->cf_port;
134 if (cf->cf_active == 0) {
135 hma.hma_on = 0;
136 hma.hma_off = 1;
137 } else {
138 hma.hma_on = 1;
139 hma.hma_off = 0;
140 }
141 hma.hma_initvalue = -1; /* none */
142 if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
143 if (cf->cf_initvalue == 0)
144 hma.hma_initvalue = hma.hma_off;
145 else
146 hma.hma_initvalue = hma.hma_on;
147 }
148
149 config_attach(parent, cf, &hma, hpcioman_print);
150
151 return (0);
152 }
153
154 int
155 hpcioman_print(void *aux, const char *pnp)
156 {
157 struct hpcioman_attach_args *hma = aux;
158 int type = hma->hma_type;
159
160 if (!pnp) {
161 printf(" iochip %s, port %d, type %d, id %d",
162 hma->hma_hc ? hma->hma_hc->hc_name : "not found",
163 hma->hma_port, type, hma->hma_id);
164 if (type == CONFIG_HOOK_BUTTONEVENT ||
165 type == CONFIG_HOOK_PMEVENT ||
166 type == CONFIG_HOOK_EVENT) {
167 if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
168 printf (", interrupt edge [%s%s]",
169 (hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
170 ? "p" : "",
171 (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
172 ? "n" : "");
173 else
174 printf (", interrupt level %s",
175 (hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
176 "high" : "low");
177 }
178 if (hma->hma_initvalue != -1)
179 printf(", initial value %d", hma->hma_initvalue);
180 if (hma->hma_on == 0)
181 printf(", active low");
182 }
183
184 return (QUIET);
185 }
186