kb_ap.c revision 1.5 
1/*	$NetBSD: kb_ap.c,v 1.5 2003/07/15 02:59:28 lukem 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/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: kb_ap.c,v 1.5 2003/07/15 02:59:28 lukem Exp $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/device.h>
35
36#include <dev/wscons/wsconsio.h>
37#include <dev/wscons/wskbdvar.h>
38#include <dev/wscons/wsksymdef.h>
39
40#include <machine/adrsmap.h>
41#include <newsmips/apbus/apbusvar.h>
42
43struct kbreg {
44	u_int kb_rx_data;
45	u_int kb_rx_stat;
46	u_int kb_rx_intr_en;
47	u_int kb_rx_reset;
48	u_int kb_rx_speed;
49
50	u_int ms_rx_data;
51	u_int ms_rx_stat;
52	u_int ms_rx_intr_en;
53	u_int ms_rx_reset;
54	u_int ms_rx_speed;
55
56	u_int kb_buzzf;
57	u_int kb_buzz;
58
59	u_int kb_tx_data;
60	u_int kb_tx_stat;
61	u_int kb_tx_intr_en;
62	u_int kb_tx_reset;
63	u_int kb_tx_speed;
64};
65
66struct kb_ap_softc {
67	struct device sc_dev;
68	volatile struct kbreg *sc_reg;
69	struct device *sc_wskbddev;
70};
71
72int kb_ap_match(struct device *, struct cfdata *, void *);
73void kb_ap_attach(struct device *, struct device *, void *);
74int kb_ap_intr(void *);
75
76void kb_ap_cnattach(void);
77void kb_ap_cngetc(void *, u_int *, int *);
78void kb_ap_cnpollc(void *, int);
79
80int kb_ap_enable(void *, int);
81void kb_ap_setleds(void *, int);
82int kb_ap_ioctl(void *, u_long, caddr_t, int, struct proc *);
83
84extern struct wscons_keydesc newskb_keydesctab[];
85
86CFATTACH_DECL(kb_ap, sizeof(struct kb_ap_softc),
87    kb_ap_match, kb_ap_attach, NULL, NULL);
88
89struct wskbd_accessops kb_ap_accessops = {
90	kb_ap_enable,
91	kb_ap_setleds,
92	kb_ap_ioctl,
93};
94
95struct wskbd_consops kb_ap_consops = {
96	kb_ap_cngetc,
97	kb_ap_cnpollc,
98};
99
100struct wskbd_mapdata kb_ap_keymapdata = {
101	newskb_keydesctab,
102	KB_JP,
103};
104
105int
106kb_ap_match(parent, cf, aux)
107	struct device *parent;
108	struct cfdata *cf;
109	void *aux;
110{
111	struct apbus_attach_args *apa = aux;
112
113	if (strcmp(apa->apa_name, "kb") == 0)
114		return 1;
115
116	return 0;
117}
118
119void
120kb_ap_attach(parent, self, aux)
121	struct device *parent, *self;
122	void *aux;
123{
124	struct kb_ap_softc *sc = (void *)self;
125	struct apbus_attach_args *apa = aux;
126	volatile struct kbreg *reg = (void *)apa->apa_hwbase;
127	volatile int *dipsw = (void *)NEWS5000_DIP_SWITCH;
128	struct wskbddev_attach_args waa;
129	int cons = 0;
130
131	printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase);
132
133	sc->sc_reg = reg;
134
135	if (*dipsw & 7) {
136		printf(" (console)");
137		cons = 1;
138	}
139	printf("\n");
140
141	reg->kb_rx_reset = 0x03;
142	reg->kb_tx_reset = 0x03;
143
144	reg->kb_rx_speed = 0x04;
145	reg->kb_tx_speed = 0x04;
146
147	reg->kb_rx_intr_en = 1;
148	reg->kb_tx_intr_en = 0;
149
150	apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, kb_ap_intr, sc,
151	    "", apa->apa_ctlnum);
152
153	waa.console = cons;
154	waa.keymap = &kb_ap_keymapdata;
155	waa.accessops = &kb_ap_accessops;
156	waa.accesscookie = sc;
157
158	sc->sc_wskbddev = config_found(self, &waa, wskbddevprint);
159}
160
161int
162kb_ap_intr(v)
163	void *v;
164{
165	struct kb_ap_softc *sc = v;
166	volatile struct kbreg *reg = sc->sc_reg;
167	int key, val, type, release;
168	int rv = 0;
169
170	while (reg->kb_rx_stat & RX_KBRDY) {
171		key = reg->kb_rx_data;
172		val = key & 0x7f;
173		release = key & 0x80;
174		type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
175
176		if (sc->sc_wskbddev)
177			wskbd_input(sc->sc_wskbddev, type, val);
178
179		rv = 1;
180	}
181
182	return rv;
183}
184
185void
186kb_ap_cnattach()
187{
188	wskbd_cnattach(&kb_ap_consops, (void *)0xbf900000, &kb_ap_keymapdata);
189}
190
191void
192kb_ap_cngetc(v, type, data)
193	void *v;
194	u_int *type;
195	int *data;
196{
197	volatile struct kbreg *reg = v;
198	int key, release, ointr;
199
200	/* Disable keyboard interrupt. */
201	ointr = reg->kb_rx_intr_en;
202	reg->kb_rx_intr_en = 0;
203
204	/* Wait for key data. */
205	while ((reg->kb_rx_stat & RX_KBRDY) == 0);
206
207	key = reg->kb_rx_data;
208	release = key & 0x80;
209	*data = key & 0x7f;
210	*type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
211
212	reg->kb_rx_intr_en = ointr;
213}
214
215void
216kb_ap_cnpollc(v, on)
217	void *v;
218	int on;
219{
220}
221
222int
223kb_ap_enable(v, on)
224	void *v;
225	int on;
226{
227	return 0;
228}
229
230void
231kb_ap_setleds(v, on)
232	void *v;
233	int on;
234{
235}
236
237int
238kb_ap_ioctl(v, cmd, data, flag, p)
239	void *v;
240	u_long cmd;
241	caddr_t data;
242	int flag;
243	struct proc *p;
244{
245	switch (cmd) {
246	case WSKBDIO_GTYPE:
247		*(int *)data = 0;	/* XXX */
248		return 0;
249	case WSKBDIO_SETLEDS:
250		return 0;
251	case WSKBDIO_GETLEDS:
252		*(int *)data = 0;
253		return 0;
254	}
255
256	return EPASSTHROUGH;
257}
258