1 /* $NetBSD: kb_ap.c,v 1.14 2021/08/07 16:19:01 thorpej 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 1.14 2021/08/07 16:19:01 thorpej 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
44 struct 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
67 struct kb_ap_softc {
68 device_t sc_dev;
69 struct kbreg *sc_reg;
70 device_t sc_wskbddev;
71 };
72
73 int kb_ap_match(device_t, cfdata_t, void *);
74 void kb_ap_attach(device_t, device_t, void *);
75 int kb_ap_intr(void *);
76
77 void kb_ap_cnattach(void);
78 void kb_ap_cngetc(void *, u_int *, int *);
79 void kb_ap_cnpollc(void *, int);
80
81 int kb_ap_enable(void *, int);
82 void kb_ap_setleds(void *, int);
83 int kb_ap_ioctl(void *, u_long, void *, int, struct lwp *);
84
85 extern struct wscons_keydesc newskb_keydesctab[];
86
87 CFATTACH_DECL_NEW(kb_ap, sizeof(struct kb_ap_softc),
88 kb_ap_match, kb_ap_attach, NULL, NULL);
89
90 struct wskbd_accessops kb_ap_accessops = {
91 kb_ap_enable,
92 kb_ap_setleds,
93 kb_ap_ioctl,
94 };
95
96 struct wskbd_consops kb_ap_consops = {
97 kb_ap_cngetc,
98 kb_ap_cnpollc,
99 };
100
101 struct wskbd_mapdata kb_ap_keymapdata = {
102 newskb_keydesctab,
103 KB_JP,
104 };
105
106 int
kb_ap_match(device_t parent,cfdata_t cf,void * aux)107 kb_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
117 void
kb_ap_attach(device_t parent,device_t self,void * aux)118 kb_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, CFARGS_NONE);
156 }
157
158 int
kb_ap_intr(void * v)159 kb_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
181 void
kb_ap_cnattach(void)182 kb_ap_cnattach(void)
183 {
184
185 wskbd_cnattach(&kb_ap_consops, (void *)0xbf900000, &kb_ap_keymapdata);
186 }
187
188 void
kb_ap_cngetc(void * v,u_int * type,int * data)189 kb_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
210 void
kb_ap_cnpollc(void * v,int on)211 kb_ap_cnpollc(void *v, int on)
212 {
213 }
214
215 int
kb_ap_enable(void * v,int on)216 kb_ap_enable(void *v, int on)
217 {
218
219 return 0;
220 }
221
222 void
kb_ap_setleds(void * v,int on)223 kb_ap_setleds(void *v, int on)
224 {
225 }
226
227 int
kb_ap_ioctl(void * v,u_long cmd,void * data,int flag,struct lwp * l)228 kb_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