1 /* $NetBSD: kbc.c,v 1.15 2021/08/07 16:19:00 thorpej Exp $ */
2
3 /*-
4 * Copyright (C) 2001 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: kbc.c,v 1.15 2021/08/07 16:19:00 thorpej Exp $");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/conf.h>
33 #include <sys/device.h>
34 #include <sys/tty.h>
35
36 #include <machine/bus.h>
37 #include <machine/cpu.h>
38
39 #include <dev/cons.h>
40
41 #include <news68k/dev/hbvar.h>
42 #include <news68k/dev/kbcvar.h>
43
44 #include "ioconf.h"
45
46 #define KBC_SIZE 0x10 /* XXX */
47
48 /* Definition of the driver for autoconfig. */
49 static int kbc_match(device_t, cfdata_t, void *);
50 static void kbc_attach(device_t, device_t, void *);
51 static int kbc_print(void *, const char *name);
52
53 CFATTACH_DECL_NEW(kbc, 0,
54 kbc_match, kbc_attach, NULL, NULL);
55
kbc_match(device_t parent,cfdata_t cf,void * aux)56 static int kbc_match(device_t parent, cfdata_t cf, void *aux)
57 {
58 struct hb_attach_args *ha = aux;
59 u_int addr;
60
61 if (strcmp(ha->ha_name, "kbc"))
62 return 0;
63
64 /* XXX no default address */
65 if (ha->ha_address == (u_int)-1)
66 return 0;
67
68 addr = ha->ha_address; /* XXX */
69
70 if (badaddr((void *)addr, 1))
71 return 0;
72
73 return 1;
74 }
75
76 static void
kbc_attach(device_t parent,device_t self,void * aux)77 kbc_attach(device_t parent, device_t self, void *aux)
78 {
79 struct hb_attach_args *ha = aux;
80 struct kbc_attach_args ka;
81 bus_space_tag_t bt = ha->ha_bust;
82 bus_space_handle_t bh;
83
84 if (bus_space_map(bt, ha->ha_address, KBC_SIZE, 0, &bh) != 0) {
85 aprint_error(": can't map device space\n");
86 return;
87 }
88
89 aprint_normal("\n");
90
91 ka.ka_bt = bt;
92 ka.ka_bh = bh;
93 ka.ka_ipl = ha->ha_ipl;
94
95 if (ka.ka_ipl == -1)
96 ka.ka_ipl = KBC_PRI;
97
98 ka.ka_name = "kb";
99 config_found(self, (void *)&ka, kbc_print, CFARGS_NONE);
100
101 ka.ka_name = "ms";
102 config_found(self, (void *)&ka, kbc_print, CFARGS_NONE);
103 }
104
105 static int
kbc_print(void * aux,const char * name)106 kbc_print(void *aux, const char *name)
107 {
108
109 if (name != NULL)
110 aprint_normal("%s: ", name);
111
112 return UNCONF;
113 }
114