1 /* $NetBSD: hb.c,v 1.21 2021/08/07 16:19:00 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1999 Izumi Tsutsui. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: hb.c,v 1.21 2021/08/07 16:19:00 thorpej Exp $");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/device.h>
33
34 #include <machine/autoconf.h>
35 #include <machine/bus.h>
36 #include <machine/cpu.h>
37
38 #include <news68k/news68k/isr.h>
39 #include <news68k/dev/hbvar.h>
40
41 #include "ioconf.h"
42
43 static int hb_match(device_t, cfdata_t, void *);
44 static void hb_attach(device_t, device_t, void *);
45 static int hb_search(device_t, cfdata_t, const int *, void *);
46 static int hb_print(void *, const char *);
47
48 CFATTACH_DECL_NEW(hb, 0,
49 hb_match, hb_attach, NULL, NULL);
50
51 static int
hb_match(device_t parent,cfdata_t cf,void * aux)52 hb_match(device_t parent, cfdata_t cf, void *aux)
53 {
54 struct mainbus_attach_args *ma = aux;
55
56 if (strcmp(ma->ma_name, hb_cd.cd_name) != 0)
57 return 0;
58
59 if (ma->ma_systype != -1 && ma->ma_systype != systype)
60 return 0;
61
62 return 1;
63 }
64
65 static void
hb_attach(device_t parent,device_t self,void * aux)66 hb_attach(device_t parent, device_t self, void *aux)
67 {
68 struct hb_attach_args ha;
69
70 aprint_normal("\n");
71 memset(&ha, 0, sizeof(ha));
72
73 config_search(self, &ha,
74 CFARGS(.search = hb_search));
75 }
76
77 static int
hb_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)78 hb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
79 {
80 struct hb_attach_args *ha = aux;
81
82 ha->ha_name = cf->cf_name;
83 ha->ha_address = cf->cf_addr;
84 ha->ha_ipl = cf->cf_ipl;
85 ha->ha_vect = cf->cf_vect;
86
87 /* XXX news68k Hyper-bus is not a real bus... */
88 ha->ha_bust = ISIIOPA(ha->ha_address) ?
89 NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO;
90
91 if (config_probe(parent, cf, ha))
92 config_attach(parent, cf, ha, hb_print, CFARGS_NONE);
93
94 return 0;
95 }
96
97 /*
98 * Print out the confargs. The (parent) name is non-NULL
99 * when there was no match found by config_found().
100 */
101 static int
hb_print(void * args,const char * name)102 hb_print(void *args, const char *name)
103 {
104 struct hb_attach_args *ha = args;
105
106 #if 0
107 if (ha->ha_addr > 0)
108 #endif
109 aprint_normal(" addr 0x%08lx", ha->ha_address);
110 if (ha->ha_ipl > 0)
111 aprint_normal(" ipl %d", ha->ha_ipl);
112 if (ha->ha_vect > 0) {
113 aprint_normal(" vect %d", ha->ha_vect);
114 }
115
116 return QUIET;
117 }
118
119 /*
120 * hb_intr_establish: establish hb interrupt
121 */
122 void
hb_intr_establish(int hbvect,int (* hand)(void *),int ipl,void * arg)123 hb_intr_establish(int hbvect, int (*hand)(void *), int ipl, void *arg)
124 {
125
126 if ((ipl < 1) || (ipl > 7)) {
127 printf("hb: illegal interrupt level: %d\n", ipl);
128 panic("hb_intr_establish");
129 }
130
131 if ((hbvect < 0) || (hbvect > 255)) {
132 printf("hb: illegal vector offset: 0x%x\n", hbvect);
133 panic("hb_intr_establish");
134 }
135
136 isrlink_vectored(hand, arg, ipl, hbvect);
137 }
138
139 void
hb_intr_disestablish(int hbvect)140 hb_intr_disestablish(int hbvect)
141 {
142
143 if ((hbvect < 0) || (hbvect > 255)) {
144 printf("hb: illegal vector offset: 0x%x\n", hbvect);
145 panic("hb_intr_disestablish");
146 }
147
148 isrunlink_vectored(hbvect);
149 }
150