xref: /netbsd-src/sys/dev/hpc/hpcioman.c (revision b84f53efc5e8e8cb19f83918f77180e93f81ea26)
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