kb_ap.c revision 1.12 
1/*	$NetBSD: kb_ap.c,v 1.12 2018/10/14 00:10:11 tsutsui 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 1.12 2018/10/14 00:10:11 tsutsui 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 <machine/cpu.h>
42#include <newsmips/apbus/apbusvar.h>
43
44struct kbreg {
45	volatile uint32_t kb_rx_data;
46	volatile uint32_t kb_rx_stat;
47	volatile uint32_t kb_rx_intr_en;
48	volatile uint32_t kb_rx_reset;
49	volatile uint32_t kb_rx_speed;
50
51	volatile uint32_t ms_rx_data;
52	volatile uint32_t ms_rx_stat;
53	volatile uint32_t ms_rx_intr_en;
54	volatile uint32_t ms_rx_reset;
55	volatile uint32_t ms_rx_speed;
56
57	volatile uint32_t kb_buzzf;
58	volatile uint32_t kb_buzz;
59
60	volatile uint32_t kb_tx_data;
61	volatile uint32_t kb_tx_stat;
62	volatile uint32_t kb_tx_intr_en;
63	volatile uint32_t kb_tx_reset;
64	volatile uint32_t kb_tx_speed;
65};
66
67struct kb_ap_softc {
68	device_t sc_dev;
69	struct kbreg *sc_reg;
70	device_t sc_wskbddev;
71};
72
73int kb_ap_match(device_t, cfdata_t, void *);
74void kb_ap_attach(device_t, device_t, void *);
75int kb_ap_intr(void *);
76
77void kb_ap_cnattach(void);
78void kb_ap_cngetc(void *, u_int *, int *);
79void kb_ap_cnpollc(void *, int);
80
81int kb_ap_enable(void *, int);
82void kb_ap_setleds(void *, int);
83int kb_ap_ioctl(void *, u_long, void *, int, struct lwp *);
84
85extern struct wscons_keydesc newskb_keydesctab[];
86
87CFATTACH_DECL_NEW(kb_ap, sizeof(struct kb_ap_softc),
88    kb_ap_match, kb_ap_attach, NULL, NULL);
89
90struct wskbd_accessops kb_ap_accessops = {
91	kb_ap_enable,
92	kb_ap_setleds,
93	kb_ap_ioctl,
94};
95
96struct wskbd_consops kb_ap_consops = {
97	kb_ap_cngetc,
98	kb_ap_cnpollc,
99};
100
101struct wskbd_mapdata kb_ap_keymapdata = {
102	newskb_keydesctab,
103	KB_JP,
104};
105
106int
107kb_ap_match(device_t parent, cfdata_t cf, 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
117void
118kb_ap_attach(device_t parent, device_t self, void *aux)
119{
120	struct kb_ap_softc *sc = device_private(self);
121	struct apbus_attach_args *apa = aux;
122	struct kbreg *reg = (void *)apa->apa_hwbase;
123	volatile uint32_t *dipsw = (void *)NEWS5000_DIP_SWITCH;
124	struct wskbddev_attach_args waa;
125	int cons = 0;
126
127	sc->sc_dev = self;
128	aprint_normal(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase);
129
130	sc->sc_reg = reg;
131
132	if (systype == NEWS5000 && *dipsw & 7) {
133		aprint_normal(" (console)");
134		cons = 1;
135	}
136	aprint_normal("\n");
137
138	reg->kb_rx_reset = 0x03;
139	reg->kb_tx_reset = 0x03;
140
141	reg->kb_rx_speed = 0x04;
142	reg->kb_tx_speed = 0x04;
143
144	reg->kb_rx_intr_en = 1;
145	reg->kb_tx_intr_en = 0;
146
147	apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, kb_ap_intr, sc,
148	    device_xname(self), apa->apa_ctlnum);
149
150	waa.console = cons;
151	waa.keymap = &kb_ap_keymapdata;
152	waa.accessops = &kb_ap_accessops;
153	waa.accesscookie = sc;
154
155	sc->sc_wskbddev = config_found(self, &waa, wskbddevprint);
156}
157
158int
159kb_ap_intr(void *v)
160{
161	struct kb_ap_softc *sc = v;
162	struct kbreg *reg = sc->sc_reg;
163	int key, val, type, release;
164	int rv = 0;
165
166	while (reg->kb_rx_stat & RX_KBRDY) {
167		key = reg->kb_rx_data;
168		val = key & 0x7f;
169		release = key & 0x80;
170		type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
171
172		if (sc->sc_wskbddev)
173			wskbd_input(sc->sc_wskbddev, type, val);
174
175		rv = 1;
176	}
177
178	return rv;
179}
180
181void
182kb_ap_cnattach(void)
183{
184
185	wskbd_cnattach(&kb_ap_consops, (void *)0xbf900000, &kb_ap_keymapdata);
186}
187
188void
189kb_ap_cngetc(void *v, u_int *type, int *data)
190{
191	struct kbreg *reg = v;
192	int key, release, ointr;
193
194	/* Disable keyboard interrupt. */
195	ointr = reg->kb_rx_intr_en;
196	reg->kb_rx_intr_en = 0;
197
198	/* Wait for key data. */
199	while ((reg->kb_rx_stat & RX_KBRDY) == 0)
200		;
201
202	key = reg->kb_rx_data;
203	release = key & 0x80;
204	*data = key & 0x7f;
205	*type = release ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
206
207	reg->kb_rx_intr_en = ointr;
208}
209
210void
211kb_ap_cnpollc(void *v, int on)
212{
213}
214
215int
216kb_ap_enable(void *v, int on)
217{
218
219	return 0;
220}
221
222void
223kb_ap_setleds(void *v, int on)
224{
225}
226
227int
228kb_ap_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
229{
230
231	switch (cmd) {
232	case WSKBDIO_GTYPE:
233		*(int *)data = 0;	/* XXX */
234		return 0;
235	case WSKBDIO_SETLEDS:
236		return 0;
237	case WSKBDIO_GETLEDS:
238		*(int *)data = 0;
239		return 0;
240	}
241
242	return EPASSTHROUGH;
243}
244