xref: /netbsd/sys/arch/news68k/dev/kb.c (revision bf9ec67e)
1 /*	$NetBSD: kb.c,v 1.2 2002/03/17 19:40:45 atatat Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 Izumi Tsutsui.
5  * Copyright (c) 2000 Tsubai Masanari.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/device.h>
34 
35 #include <dev/wscons/wsconsio.h>
36 #include <dev/wscons/wskbdvar.h>
37 #include <dev/wscons/wsksymdef.h>
38 #include <dev/wscons/wsksymvar.h>
39 
40 #include <machine/bus.h>
41 
42 #include <arch/news68k/dev/kbvar.h>
43 
44 /* #define KB_DEBUG */
45 
46 void	kb_cngetc(void *, u_int *, int *);
47 void	kb_cnpollc(void *, int);
48 int	kb_enable(void *, int);
49 void	kb_set_leds(void *, int);
50 int	kb_ioctl(void *, u_long, caddr_t, int, struct proc *);
51 
52 extern struct wscons_keydesc newskb_keydesctab[];
53 
54 struct wskbd_accessops kb_accessops = {
55 	kb_enable,
56 	kb_set_leds,
57 	kb_ioctl,
58 };
59 
60 struct wskbd_consops kb_consops = {
61 	kb_cngetc,
62 	kb_cnpollc,
63 };
64 
65 struct wskbd_mapdata kb_keymapdata = {
66 	newskb_keydesctab,
67 	KB_JP,
68 };
69 
70 void
71 kb_intr(sc)
72 	struct kb_softc *sc;
73 {
74 	struct console_softc *kb_conssc = sc->sc_conssc;
75 	bus_space_tag_t bt = sc->sc_bt;
76 	bus_space_handle_t bh = sc->sc_bh;
77 	bus_size_t offset = sc->sc_offset;
78 	int key, val;
79 	u_int type;
80 
81 	kb_conssc->cs_nkeyevents++;
82 
83 	key = bus_space_read_1(bt, bh, offset);
84 	type = (key & 0x80) ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
85 	val = key & 0x7f;
86 
87 #ifdef KB_DEBUG
88 	printf("kb_intr: key=%02x, type=%d, val=%02x\n", key, type, val);
89 #endif
90 	kb_conssc->cs_key = key;
91 	kb_conssc->cs_type = type;
92 	kb_conssc->cs_val = val;
93 
94 	if (!kb_conssc->cs_polling)
95 		wskbd_input(sc->sc_wskbddev, type, val);
96 }
97 
98 int
99 kb_cnattach(conssc_p)
100 	struct console_softc *conssc_p;
101 {
102 
103 	wskbd_cnattach(&kb_consops, conssc_p, &kb_keymapdata);
104 	return 0;
105 }
106 
107 
108 void
109 kb_cngetc(v, type, data)
110 	void *v;
111 	u_int *type;
112 	int *data;
113 {
114 	struct console_softc *conssc = v;
115 	int nkey;
116 
117 	/* set to polling mode */
118 	conssc->cs_polling = 1;
119 
120 	/* wait until any keyevent occur */
121 	nkey = conssc->cs_nkeyevents;
122 	while (conssc->cs_nkeyevents == nkey)
123 		;
124 
125 	/* get last keyevent */
126 	*data = conssc->cs_val;
127 	*type = conssc->cs_type;
128 
129 	conssc->cs_polling = 0;
130 }
131 
132 void
133 kb_cnpollc(v, on)
134 	void *v;
135 	int on;
136 {
137 }
138 
139 int
140 kb_enable(v, on)
141 	void *v;
142 	int on;
143 {
144 	return 0;
145 }
146 
147 void
148 kb_set_leds(v, on)
149 	void *v;
150 	int on;
151 {
152 	return;
153 }
154 
155 int
156 kb_ioctl(v, cmd, data, flag, p)
157 	void *v;
158 	u_long cmd;
159 	caddr_t data;
160 	int flag;
161 	struct proc *p;
162 {
163 #if 0
164 	struct console_softc *cs = v;
165 #endif
166 
167 	switch (cmd) {
168 	case WSKBDIO_GTYPE:
169 		*(int *)data = 0;	/* XXX */
170 		return 0;
171 	case WSKBDIO_SETLEDS:
172 		return 0;
173 	case WSKBDIO_GETLEDS:
174 		*(int *)data = 0;
175 		return 0;
176 	case WSKBDIO_COMPLEXBELL:
177 		return 0;
178 	}
179 
180 	return EPASSTHROUGH;
181 }
182