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. */
49static int  kbc_match(device_t, cfdata_t, void *);
50static void kbc_attach(device_t, device_t, void *);
51static int  kbc_print(void *, const char *name);
52
53CFATTACH_DECL_NEW(kbc, 0,
54    kbc_match, kbc_attach, NULL, NULL);
55
56static 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
76static void
77kbc_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
105static int
106kbc_print(void *aux, const char *name)
107{
108
109	if (name != NULL)
110		aprint_normal("%s: ", name);
111
112	return UNCONF;
113}
114