1 /* $NetBSD: hpcioman.c,v 1.21 2021/08/07 16:19:11 thorpej 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 *
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: hpcioman.c,v 1.21 2021/08/07 16:19:11 thorpej 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 <machine/platid.h>
41 #include <machine/platid_mask.h>
42
43 #include <sys/bus.h>
44 #include <dev/hpc/hpciovar.h>
45 #include <dev/hpc/hpciomanvar.h>
46
47 #include "locators.h"
48
49 int hpcioman_match(device_t, cfdata_t, void *);
50 void hpcioman_attach(device_t, device_t, void *);
51 int hpcioman_print(void *, const char *);
52 int hpcioman_search(device_t, cfdata_t, const int *, void *);
53
54 CFATTACH_DECL_NEW(hpcioman, 0,
55 hpcioman_match, hpcioman_attach, NULL, NULL);
56
57 int
hpcioman_match(device_t parent,cfdata_t cf,void * aux)58 hpcioman_match(device_t parent, cfdata_t cf, void *aux)
59 {
60 struct hpcio_attach_args *haa = aux;
61 platid_mask_t mask;
62
63 if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
64 return (0);
65 /* select platform */
66 mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);
67
68 return (platid_match(&platid, &mask));
69 }
70
71 void
hpcioman_attach(device_t parent,device_t self,void * aux)72 hpcioman_attach(device_t parent, device_t self, void *aux)
73 {
74 printf("\n");
75
76 config_search(self, aux,
77 CFARGS(.search = hpcioman_search));
78 }
79
80 int
hpcioman_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)81 hpcioman_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
82 {
83 struct hpcio_attach_args *haa = aux;
84 struct hpcioman_attach_args hma;
85
86 /* get io chip */
87 hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);
88
89 /* interrupt mode */
90 if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
91 switch (cf->cf_hold) {
92 case 1:
93 hma.hma_intr_mode = HPCIO_INTR_HOLD;
94 break;
95 case 0:
96 case HPCIOMANCF_HOLD_DEFAULT:
97 default:
98 hma.hma_intr_mode = HPCIO_INTR_THROUGH;
99 break;
100 }
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 switch (cf->cf_hold) {
108 case 0:
109 hma.hma_intr_mode = HPCIO_INTR_THROUGH;
110 break;
111 case 1:
112 case HPCIOMANCF_HOLD_DEFAULT:
113 default:
114 hma.hma_intr_mode = HPCIO_INTR_HOLD;
115 break;
116 }
117 hma.hma_intr_mode |= HPCIO_INTR_EDGE;
118 switch (cf->cf_edge) {
119 case 1:
120 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
121 break;
122 case 2:
123 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
124 break;
125 case 0:
126 case 3:
127 case HPCIOMANCF_EDGE_DEFAULT:
128 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
129 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
130 break;
131 default:
132 printf("%s(%d): invalid configuration, edge=%d",
133 __FILE__, __LINE__, cf->cf_edge);
134 break;
135 }
136 }
137
138 hma.hma_type = cf->cf_type;
139 hma.hma_id = cf->cf_id;
140 hma.hma_port = cf->cf_port;
141 if (cf->cf_active == 0) {
142 hma.hma_on = 0;
143 hma.hma_off = 1;
144 } else {
145 hma.hma_on = 1;
146 hma.hma_off = 0;
147 }
148 hma.hma_initvalue = -1; /* none */
149 if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
150 if (cf->cf_initvalue == 0)
151 hma.hma_initvalue = hma.hma_off;
152 else
153 hma.hma_initvalue = hma.hma_on;
154 }
155 hma.hma_connect = cf->cf_connect;
156
157 config_attach(parent, cf, &hma, hpcioman_print, CFARGS_NONE);
158
159 return (0);
160 }
161
162 int
hpcioman_print(void * aux,const char * pnp)163 hpcioman_print(void *aux, const char *pnp)
164 {
165 struct hpcioman_attach_args *hma = aux;
166 int type = hma->hma_type;
167
168 if (!pnp) {
169 aprint_normal(" iochip %s, port %d, type %d, id %d",
170 hma->hma_hc ? hma->hma_hc->hc_name : "not found",
171 hma->hma_port, type, hma->hma_id);
172 if (type == CONFIG_HOOK_BUTTONEVENT ||
173 type == CONFIG_HOOK_PMEVENT ||
174 type == CONFIG_HOOK_EVENT ||
175 type == CONFIG_HOOK_PCIINTR) {
176 if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
177 aprint_normal (", interrupt edge [%s%s]",
178 (hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
179 ? "p" : "",
180 (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
181 ? "n" : "");
182 else
183 aprint_normal (", interrupt level %s",
184 (hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
185 "high" : "low");
186 }
187 if (hma->hma_initvalue != -1)
188 aprint_normal(", initial value %d", hma->hma_initvalue);
189 if (hma->hma_on == 0)
190 aprint_normal(", active low");
191 }
192
193 return (QUIET);
194 }
195