xref: /netbsd/sys/arch/dreamcast/dev/maple/mkbd.c (revision bf9ec67e)
1 /*	$NetBSD: mkbd.c,v 1.13 2002/03/25 18:59:40 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 Marcus Comstedt
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Marcus Comstedt.
18  * 4. Neither the name of The NetBSD Foundation nor the names of its
19  *    contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #include <sys/param.h>
36 #include <sys/device.h>
37 #include <sys/fcntl.h>
38 #include <sys/poll.h>
39 #include <sys/select.h>
40 #include <sys/proc.h>
41 #include <sys/signalvar.h>
42 #include <sys/systm.h>
43 
44 #include "wskbd.h"
45 
46 #include <dev/wscons/wsconsio.h>
47 #include <dev/wscons/wskbdvar.h>
48 #include <dev/wscons/wsksymdef.h>
49 #include <dev/wscons/wsksymvar.h>
50 
51 #include <machine/cpu.h>
52 #include <machine/bus.h>
53 
54 #include <dreamcast/dev/maple/maple.h>
55 #include <dreamcast/dev/maple/mapleconf.h>
56 #include <dreamcast/dev/maple/mkbdvar.h>
57 #include <dreamcast/dev/maple/mkbdmap.h>
58 
59 /*
60  * Function declarations.
61  */
62 static	int mkbdmatch(struct device *, struct cfdata *, void *);
63 static	void mkbdattach(struct device *, struct device *, void *);
64 
65 int	mkbd_enable(void *, int);
66 void	mkbd_set_leds(void *, int);
67 int	mkbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
68 
69 struct wskbd_accessops mkbd_accessops = {
70 	mkbd_enable,
71 	mkbd_set_leds,
72 	mkbd_ioctl,
73 };
74 
75 static void mkbd_intr(struct mkbd_softc *, struct mkbd_condition *, int);
76 
77 void	mkbd_cngetc(void *, u_int *, int *);
78 void	mkbd_cnpollc(void *, int);
79 int	mkbd_cnattach(void);
80 
81 struct wskbd_consops mkbd_consops = {
82 	mkbd_cngetc,
83 	mkbd_cnpollc,
84 };
85 
86 struct wskbd_mapdata mkbd_keymapdata = {
87 	mkbd_keydesctab,
88 	KB_JP,
89 };
90 
91 static struct mkbd_softc *mkbd_console_softc = NULL;
92 
93 static int mkbd_console_initted = 0;
94 
95 /* Driver definition. */
96 struct cfattach mkbd_ca = {
97 	sizeof(struct mkbd_softc), mkbdmatch, mkbdattach
98 };
99 
100 static int
101 mkbdmatch(struct device *parent, struct cfdata *cf, void *aux)
102 {
103 	struct maple_attach_args *ma = aux;
104 
105 	return ((ma->ma_function & MAPLE_FUNC_KEYBOARD) != 0);
106 }
107 
108 static void
109 mkbdattach(struct device *parent, struct device *self, void *aux)
110 {
111 	struct mkbd_softc *sc = (struct mkbd_softc *) self;
112 	struct maple_attach_args *ma = aux;
113 #if NWSKBD > 0
114 	struct wskbddev_attach_args a;
115 #endif
116 	u_int32_t kbdtype;
117 
118 	sc->sc_parent = parent;
119 	sc->sc_port = ma->ma_port;
120 	sc->sc_subunit = ma->ma_subunit;
121 
122 	kbdtype = maple_get_function_data(ma->ma_devinfo,
123 	    MAPLE_FUNC_KEYBOARD) >> 24;
124 	switch (kbdtype) {
125 	case 1:
126 		printf(": Japanese keyboard");
127 		mkbd_keymapdata.layout = KB_JP;
128 		break;
129 	case 2:
130 		printf(": US keyboard");
131 		mkbd_keymapdata.layout = KB_US;
132 		break;
133 	case 3:
134 		printf(": European keyboard");
135 		mkbd_keymapdata.layout = KB_UK;
136 		break;
137 	default:
138 		printf(": Unknown keyboard %d", kbdtype);
139 	}
140 	printf("\n");
141 
142 #if NWSKBD > 0
143 	a.console = ((sc->sc_dev.dv_unit == 0) && (mkbd_console_initted == 1))
144 	    ? 1 : 0;
145 	a.keymap = &mkbd_keymapdata;
146 	a.accessops = &mkbd_accessops;
147 	a.accesscookie = sc;
148 	if (a.console)
149 		mkbd_console_softc = sc;
150 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
151 #endif
152 
153 	maple_set_condition_callback(parent, sc->sc_port, sc->sc_subunit,
154 	    MAPLE_FUNC_KEYBOARD,(void (*) (void *, void *, int)) mkbd_intr, sc);
155 }
156 
157 
158 
159 int
160 mkbd_enable(void *v, int on)
161 {
162 
163 	return (0);
164 }
165 
166 void
167 mkbd_set_leds(void *v, int on)
168 {
169 }
170 
171 int
172 mkbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
173 {
174 
175 	switch (cmd) {
176 	case WSKBDIO_GTYPE:
177 		*(int *) data = WSKBD_TYPE_USB;	/* XXX */
178 		return (0);
179 	case WSKBDIO_SETLEDS:
180 		return (0);
181 	case WSKBDIO_GETLEDS:
182 		*(int *) data = 0;
183 		return (0);
184 	case WSKBDIO_BELL:
185 	case WSKBDIO_COMPLEXBELL:
186 		return (0);
187 	}
188 
189 	return (EPASSTHROUGH);
190 }
191 
192 int
193 mkbd_cnattach()
194 {
195 
196 	wskbd_cnattach(&mkbd_consops, NULL, &mkbd_keymapdata);
197 	mkbd_console_initted = 1;
198 
199 	return (0);
200 }
201 
202 static int polledkey;
203 extern int maple_polling;
204 
205 #define SHIFT_KEYCODE_BASE 0xe0
206 #define UP_KEYCODE_FLAG 0x1000
207 
208 #define KEY_UP(n) do {							\
209 	if (maple_polling)						\
210 		polledkey = (n)|UP_KEYCODE_FLAG;			\
211 	else								\
212 		wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_UP, (n));	\
213 	} while (/*CONSTCOND*/0)
214 
215 #define KEY_DOWN(n) do {						\
216 	if (maple_polling)						\
217 		polledkey = (n);					\
218 	else								\
219 		wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_DOWN, (n)); \
220 	} while (/*CONSTCOND*/0)
221 
222 #define SHIFT_UP(n)	KEY_UP((n) | SHIFT_KEYCODE_BASE)
223 #define SHIFT_DOWN(n)	KEY_DOWN((n) | SHIFT_KEYCODE_BASE)
224 
225 static void
226 mkbd_intr(struct mkbd_softc *sc, struct mkbd_condition *kbddata, int sz)
227 {
228 
229 	if (sz >= sizeof(struct mkbd_condition)) {
230 		int i, j, v;
231 
232 		v = sc->sc_condition.shift & ~kbddata->shift;
233 		if (v)
234 			for (i = 0; i < 8; i++)
235 				if (v & (1 << i))
236 					SHIFT_UP(i);
237 
238 		v = kbddata->shift & ~sc->sc_condition.shift;
239 		if (v)
240 			for (i = 0; i < 8; i++)
241 				if (v & (1 << i))
242 					SHIFT_DOWN(i);
243 
244 		for (i = 0, j = 0; i < 6; i++)
245 			if (sc->sc_condition.key[i] < 4)
246 				break;
247 			else if (sc->sc_condition.key[i] == kbddata->key[j])
248 				j++;
249 			else
250 				KEY_UP(sc->sc_condition.key[i]);
251 
252 		for (; j < 6; j++)
253 			if (kbddata->key[j] < 4)
254 				break;
255 			else
256 				KEY_DOWN(kbddata->key[j]);
257 
258 		memcpy(&sc->sc_condition, kbddata,
259 		    sizeof(struct mkbd_condition));
260 	}
261 }
262 
263 void
264 mkbd_cngetc(void *v, u_int *type,int *data)
265 {
266 	int key;
267 
268 	polledkey = -1;
269 	maple_polling = 1;
270 	while (polledkey == -1) {
271 		if (mkbd_console_softc != NULL ||
272 		    mkbd_console_softc->sc_parent != NULL) {
273 			int t;
274 			for (t = 0; t < 1000000; t++);
275 			maple_run_polling(mkbd_console_softc->sc_parent);
276 		}
277 	}
278 	maple_polling = 0;
279 	key = polledkey;
280 
281 	*data = key & ~UP_KEYCODE_FLAG;
282 	*type = (key & UP_KEYCODE_FLAG) ?
283 	    WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
284 }
285 
286 void
287 mkbd_cnpollc(void *v, int on)
288 {
289 }
290