1/*	$NetBSD: dtkbd.c,v 1.9 2011/06/04 01:37:36 tsutsui Exp $	*/
2
3/*-
4 * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
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: dtkbd.c,v 1.9 2011/06/04 01:37:36 tsutsui Exp $");
34
35#include "locators.h"
36
37#include <sys/param.h>
38#include <sys/bus.h>
39#include <sys/callout.h>
40#include <sys/device.h>
41#include <sys/ioctl.h>
42#include <sys/systm.h>
43
44#include <dev/wscons/wsconsio.h>
45#include <dev/wscons/wskbdvar.h>
46#include <dev/wscons/wsksymdef.h>
47#include <dev/wscons/wsksymvar.h>
48#include <dev/dec/wskbdmap_lk201.h>
49#include <dev/tc/tcvar.h>
50
51#include <pmax/tc/dtreg.h>
52#include <pmax/tc/dtvar.h>
53
54#include <pmax/pmax/cons.h>
55
56struct dtkbd_softc {
57	device_t	sc_dev;
58	device_t	sc_wskbddev;
59	int		sc_enabled;
60};
61
62int	dtkbd_match(device_t, cfdata_t, void *);
63void	dtkbd_attach(device_t, device_t, void *);
64int	dtkbd_enable(void *, int);
65int	dtkbd_ioctl(void *, u_long, void *, int, struct lwp *);
66void	dtkbd_cngetc(void *, u_int *, int *);
67void	dtkbd_cnpollc(void *, int);
68int	dtkbd_process_msg(struct dt_msg *, u_int *, int *);
69void	dtkbd_handler(void *, struct dt_msg *);
70void	dtkbd_set_leds(void *, int);
71
72const struct wskbd_accessops dtkbd_accessops = {
73	dtkbd_enable,
74	dtkbd_set_leds,
75	dtkbd_ioctl,
76};
77
78const struct wskbd_consops dtkbd_consops = {
79	dtkbd_cngetc,
80	dtkbd_cnpollc,
81};
82
83CFATTACH_DECL_NEW(dtkbd, sizeof(struct dtkbd_softc),
84    dtkbd_match, dtkbd_attach, NULL, NULL);
85
86const struct wskbd_mapdata dtkbd_keymapdata = {
87	lkkbd_keydesctab,
88#ifdef DTKBD_LAYOUT
89	DTKBD_LAYOUT,
90#else
91	KB_US | KB_LK401,
92#endif
93};
94
95int	dtkbd_isconsole;
96uint8_t	dtkbd_map[10];
97int	dtkbd_maplen;
98
99int
100dtkbd_match(device_t parent, cfdata_t cf, void *aux)
101{
102	struct dt_attach_args *dta;
103
104	dta = aux;
105	return (dta->dta_addr == DT_ADDR_KBD);
106}
107
108void
109dtkbd_attach(device_t parent, device_t self, void *aux)
110{
111	struct dt_softc *dt;
112	struct dtkbd_softc *sc;
113	struct wskbddev_attach_args a;
114
115	dt = device_private(parent);
116	sc = device_private(self);
117	sc->sc_dev = self;
118
119	printf("\n");
120
121	if (dt_establish_handler(dt, &dt_kbd_dv, sc, dtkbd_handler)) {
122		printf("%s: unable to establish handler\n", device_xname(self));
123		return;
124	}
125
126	sc->sc_enabled = 1;
127
128	a.console = dtkbd_isconsole;
129	a.keymap = &dtkbd_keymapdata;
130	a.accessops = &dtkbd_accessops;
131	a.accesscookie = sc;
132	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
133}
134
135void
136dtkbd_cnattach(void)
137{
138
139	dtkbd_isconsole = 1;
140	dt_cninit();
141
142	wskbd_cnattach(&dtkbd_consops, &dtkbd_map, &dtkbd_keymapdata);
143}
144
145int
146dtkbd_enable(void *v, int on)
147{
148	struct dtkbd_softc *sc;
149
150	sc = v;
151	sc->sc_enabled = on;
152
153	return (0);
154}
155
156void
157dtkbd_cngetc(void *v, u_int *type, int *data)
158{
159	struct dt_msg msg;
160	static u_int types[20];
161	static int cnt, i, vals[20];
162
163	while (i >= cnt) {
164		for (;;) {
165			if (dt_msg_get(&msg, 0) == DT_GET_DONE)
166				if (msg.src == dt_kbd_addr &&
167				    !DT_CTL_P(msg.ctl))
168					break;
169			DELAY(1000);
170		}
171
172		cnt = dtkbd_process_msg(&msg, types, vals);
173		i = 0;
174	}
175
176	*type = types[i++];
177	*data = vals[i++];
178}
179
180void
181dtkbd_cnpollc(void *v, int on)
182{
183
184	/* XXX */
185}
186
187int
188dtkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
189{
190	struct dtkbd_softc *sc;
191
192	sc = v;
193
194	switch (cmd) {
195	case WSKBDIO_GTYPE:
196		*(int *)data = WSKBD_TYPE_LK201;
197		return 0;
198	default:
199		/* XXX */
200		return (EPASSTHROUGH);
201	}
202}
203
204void
205dtkbd_set_leds(void *v, int state)
206{
207
208	/* XXX */
209}
210
211void
212dtkbd_handler(void *cookie, struct dt_msg *msg)
213{
214	struct dtkbd_softc *sc;
215	u_int types[20];
216	int i, cnt, vals[20];
217
218	sc = cookie;
219
220	if (!sc->sc_enabled)
221		return;
222
223	cnt = dtkbd_process_msg(msg, types, vals);
224	for (i = 0; i < cnt; i++)
225		wskbd_input(sc->sc_wskbddev, types[i], vals[i]);
226}
227
228int
229dtkbd_process_msg(struct dt_msg *msg, u_int *types, int *vals)
230{
231	u_int len, c, count;
232	int i, j;
233
234	len = DT_CTL_LEN(msg->ctl);
235
236	if ((msg->body[0] < DT_KBD_KEY_MIN && msg->body[0] != DT_KBD_EMPTY) ||
237	    len > 10) {
238		printf("dtkbd0: error: %x %x %x\n", len, msg->body[0],
239		    msg->body[1]);
240
241		/*
242		 * Fake an "all ups" to avoid the stuck key syndrome.
243		 */
244		msg->body[0] = DT_KBD_EMPTY;
245		len = 1;
246	}
247
248	if (msg->body[0] == DT_KBD_EMPTY) {
249		types[0] = WSCONS_EVENT_ALL_KEYS_UP;
250		vals[0] = 0;
251		dtkbd_maplen = 0;
252		return (1);
253	}
254
255	count = 0;
256
257	for (i = 0; i < len; i++) {
258		c = msg->body[i];
259
260		for (j = 0; j < dtkbd_maplen; j++)
261			if (dtkbd_map[j] == c)
262				break;
263
264		if (j == dtkbd_maplen) {
265			types[count] = WSCONS_EVENT_KEY_DOWN;
266			vals[count] = c - MIN_LK201_KEY;
267			count++;
268		}
269	}
270
271	for (j = 0; j < dtkbd_maplen; j++) {
272		c = dtkbd_map[j];
273
274		for (i = 0; i < len; i++)
275			if (msg->body[i] == c)
276				break;
277
278		if (i == len) {
279			types[count] = WSCONS_EVENT_KEY_UP;
280			vals[count] = c - MIN_LK201_KEY;
281			count++;
282		}
283	}
284
285	memcpy(dtkbd_map, msg->body, len);
286	dtkbd_maplen = len;
287
288	return (count);
289}
290