xref: /netbsd/sys/arch/newsmips/apbus/kb_ap.c (revision bf9ec67e)
1 /*	$NetBSD: kb_ap.c,v 1.2 2002/03/17 19:40:45 atatat Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 Tsubai Masanari.  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  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/device.h>
32 
33 #include <dev/wscons/wsconsio.h>
34 #include <dev/wscons/wskbdvar.h>
35 #include <dev/wscons/wsksymdef.h>
36 
37 #include <machine/adrsmap.h>
38 #include <newsmips/apbus/apbusvar.h>
39 
40 struct kbreg {
41 	u_int kb_rx_data;
42 	u_int kb_rx_stat;
43 	u_int kb_rx_intr_en;
44 	u_int kb_rx_reset;
45 	u_int kb_rx_speed;
46 
47 	u_int ms_rx_data;
48 	u_int ms_rx_stat;
49 	u_int ms_rx_intr_en;
50 	u_int ms_rx_reset;
51 	u_int ms_rx_speed;
52 
53 	u_int kb_buzzf;
54 	u_int kb_buzz;
55 
56 	u_int kb_tx_data;
57 	u_int kb_tx_stat;
58 	u_int kb_tx_intr_en;
59 	u_int kb_tx_reset;
60 	u_int kb_tx_speed;
61 };
62 
63 struct kb_ap_softc {
64 	struct device sc_dev;
65 	volatile struct kbreg *sc_reg;
66 	struct device *sc_wskbddev;
67 };
68 
69 int kb_ap_match(struct device *, struct cfdata *, void *);
70 void kb_ap_attach(struct device *, struct device *, void *);
71 int kb_ap_intr(void *);
72 
73 void kb_ap_cnattach(void);
74 void kb_ap_cngetc(void *, u_int *, int *);
75 void kb_ap_cnpollc(void *, int);
76 
77 int kb_ap_enable(void *, int);
78 void kb_ap_setleds(void *, int);
79 int kb_ap_ioctl(void *, u_long, caddr_t, int, struct proc *);
80 
81 extern struct wscons_keydesc newskb_keydesctab[];
82 
83 struct cfattach kb_ap_ca = {
84 	sizeof(struct kb_ap_softc), kb_ap_match, kb_ap_attach
85 };
86 
87 struct wskbd_accessops kb_ap_accessops = {
88 	kb_ap_enable,
89 	kb_ap_setleds,
90 	kb_ap_ioctl,
91 };
92 
93 struct wskbd_consops kb_ap_consops = {
94 	kb_ap_cngetc,
95 	kb_ap_cnpollc,
96 };
97 
98 struct wskbd_mapdata kb_ap_keymapdata = {
99 	newskb_keydesctab,
100 	KB_JP,
101 };
102 
103 int
104 kb_ap_match(parent, cf, aux)
105 	struct device *parent;
106 	struct cfdata *cf;
107 	void *aux;
108 {
109 	struct apbus_attach_args *apa = aux;
110 
111 	if (strcmp(apa->apa_name, "kb") == 0)
112 		return 1;
113 
114 	return 0;
115 }
116 
117 void
118 kb_ap_attach(parent, self, aux)
119 	struct device *parent, *self;
120 	void *aux;
121 {
122 	struct kb_ap_softc *sc = (void *)self;
123 	struct apbus_attach_args *apa = aux;
124 	volatile struct kbreg *reg = (void *)apa->apa_hwbase;
125 	volatile int *dipsw = (void *)NEWS5000_DIP_SWITCH;
126 	struct wskbddev_attach_args waa;
127 	int cons = 0;
128 
129 	printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase);
130 
131 	sc->sc_reg = reg;
132 
133 	if (*dipsw & 7) {
134 		printf(" (console)");
135 		cons = 1;
136 	}
137 	printf("\n");
138 
139 	reg->kb_rx_reset = 0x03;
140 	reg->kb_tx_reset = 0x03;
141 
142 	reg->kb_rx_speed = 0x04;
143 	reg->kb_tx_speed = 0x04;
144 
145 	reg->kb_rx_intr_en = 1;
146 	reg->kb_tx_intr_en = 0;
147 
148 	apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, kb_ap_intr, sc,
149 	    "", apa->apa_ctlnum);
150 
151 	waa.console = cons;
152 	waa.keymap = &kb_ap_keymapdata;
153 	waa.accessops = &kb_ap_accessops;
154 	waa.accesscookie = sc;
155 
156 	sc->sc_wskbddev = config_found(self, &waa, wskbddevprint);
157 }
158 
159 int
160 kb_ap_intr(v)
161 	void *v;
162 {
163 	struct kb_ap_softc *sc = v;
164 	volatile struct kbreg *reg = sc->sc_reg;
165 	int key, val, type, release;
166 	int rv = 0;
167 
168 	while (reg->kb_rx_stat & RX_KBRDY) {
169 		key = reg->kb_rx_data;
170 		val = key & 0x7f;
171 		release = key & 0x80;
172 		type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
173 
174 		if (sc->sc_wskbddev)
175 			wskbd_input(sc->sc_wskbddev, type, val);
176 
177 		rv = 1;
178 	}
179 
180 	return rv;
181 }
182 
183 void
184 kb_ap_cnattach()
185 {
186 	wskbd_cnattach(&kb_ap_consops, (void *)0xbf900000, &kb_ap_keymapdata);
187 }
188 
189 void
190 kb_ap_cngetc(v, type, data)
191 	void *v;
192 	u_int *type;
193 	int *data;
194 {
195 	volatile struct kbreg *reg = v;
196 	int key, release, ointr;
197 
198 	/* Disable keyboard interrupt. */
199 	ointr = reg->kb_rx_intr_en;
200 	reg->kb_rx_intr_en = 0;
201 
202 	/* Wait for key data. */
203 	while ((reg->kb_rx_stat & RX_KBRDY) == 0);
204 
205 	key = reg->kb_rx_data;
206 	release = key & 0x80;
207 	*data = key & 0x7f;
208 	*type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
209 
210 	reg->kb_rx_intr_en = ointr;
211 }
212 
213 void
214 kb_ap_cnpollc(v, on)
215 	void *v;
216 	int on;
217 {
218 }
219 
220 int
221 kb_ap_enable(v, on)
222 	void *v;
223 	int on;
224 {
225 	return 0;
226 }
227 
228 void
229 kb_ap_setleds(v, on)
230 	void *v;
231 	int on;
232 {
233 }
234 
235 int
236 kb_ap_ioctl(v, cmd, data, flag, p)
237 	void *v;
238 	u_long cmd;
239 	caddr_t data;
240 	int flag;
241 	struct proc *p;
242 {
243 	switch (cmd) {
244 	case WSKBDIO_GTYPE:
245 		*(int *)data = 0;	/* XXX */
246 		return 0;
247 	case WSKBDIO_SETLEDS:
248 		return 0;
249 	case WSKBDIO_GETLEDS:
250 		*(int *)data = 0;
251 		return 0;
252 	}
253 
254 	return EPASSTHROUGH;
255 }
256