1 /* $NetBSD: lk201_ws.c,v 1.10 2016/07/11 10:55:35 skrll Exp $ */
2
3 /*
4 * Copyright (c) 1998
5 * Matthias Drochner. 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: lk201_ws.c,v 1.10 2016/07/11 10:55:35 skrll Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/callout.h>
35
36 #include <dev/wscons/wsconsio.h>
37
38 #include <dev/dec/lk201reg.h>
39 #include <dev/dec/lk201var.h>
40 #include <dev/dec/wskbdmap_lk201.h> /* for {MIN,MAX}_LK201_KEY */
41
42 #define send(lks, c) ((*((lks)->attmt.sendchar))((lks)->attmt.cookie, c))
43
44 void lk201_identify(void *);
45
46 static const char *lkkbd_descr[] = {
47 "no keyboard",
48 "LK-201 keyboard",
49 "LK-401 keyboard",
50 };
51
52 int
lk201_init(struct lk201_state * lks)53 lk201_init(struct lk201_state *lks)
54 {
55 int i;
56
57 lks->waitack = 0;
58
59 send(lks, LK_LED_ENABLE);
60 send(lks, LK_LED_ALL);
61
62 /*
63 * set all keys to updown mode; autorepeat is
64 * done by wskbd software
65 */
66 for (i = 1; i <= 14; i++)
67 send(lks, LK_CMD_MODE(LK_UPDOWN, i));
68
69 send(lks, LK_CL_ENABLE);
70 send(lks, LK_PARAM_VOLUME(3));
71 lks->kcvol = (8 - 3) * 100 / 8;
72
73 lks->bellvol = -1; /* not yet set */
74
75 for (i = 0; i < LK_KLL; i++)
76 lks->down_keys_list[i] = -1;
77 send(lks, LK_KBD_ENABLE);
78
79 send(lks, LK_LED_DISABLE);
80 send(lks, LK_LED_ALL);
81 lks->leds_state = 0;
82
83 /*
84 * Swallow all the keyboard acknowledges from lk201_init().
85 * There should be 14 of them - one per LK_CMD_MODE command.
86 */
87 for(;;) {
88 lks->waitack = 1;
89 for (i = 100; i != 0; i--) {
90 DELAY(1000);
91 if (lks->waitack == 0)
92 break;
93 }
94 if (i == 0)
95 break;
96 }
97
98 /*
99 * Try to set the keyboard in LK-401 mode.
100 * If we receive an error, this is an LK-201 keyboard.
101 */
102 lks->waitack = 1;
103 send(lks, LK_ENABLE_401);
104 for (i = 100; i != 0; i--) {
105 DELAY(1000);
106 if (lks->waitack == 0)
107 break;
108 }
109 if (lks->waitack != 0)
110 lks->kbdtype = KBD_NONE;
111 else {
112 if (lks->ackdata == LK_INPUT_ERROR)
113 lks->kbdtype = KBD_LK201;
114 else
115 lks->kbdtype = KBD_LK401;
116 }
117 lks->waitack = 0;
118
119 printf("lkkbd0: %s\n", lkkbd_descr[lks->kbdtype]);
120
121 return 0;
122 }
123
124 int
lk201_decode(struct lk201_state * lks,int wantmulti,int datain,u_int * type,int * dataout)125 lk201_decode(struct lk201_state *lks, int wantmulti, int datain, u_int *type, int *dataout)
126 {
127 int i, freeslot;
128
129 if (lks->waitack != 0) {
130 lks->ackdata = datain;
131 lks->waitack = 0;
132 return LKD_NODATA;
133 }
134
135 switch (datain) {
136 #if 0
137 case LK_KEY_UP:
138 for (i = 0; i < LK_KLL; i++)
139 lks->down_keys_list[i] = -1;
140 *type = WSCONS_EVENT_ALL_KEYS_UP;
141 return (1);
142 #endif
143 case LK_POWER_UP:
144 printf("lk201_decode: powerup detected\n");
145 lk201_init(lks);
146 return (0);
147 case LK_KDOWN_ERROR:
148 case LK_POWER_ERROR:
149 case LK_OUTPUT_ERROR:
150 case LK_INPUT_ERROR:
151 printf("lk201_decode: error %x\n", datain);
152 /* FALLTHRU */
153 case LK_KEY_REPEAT: /* autorepeat handled by wskbd */
154 case LK_MODE_CHANGE: /* ignore silently */
155 return (0);
156 }
157
158
159 if (datain == LK_KEY_UP) {
160 if (wantmulti) {
161 for (i = 0; i < LK_KLL; i++)
162 if (lks->down_keys_list[i] != -1) {
163 *type = WSCONS_EVENT_KEY_UP;
164 *dataout = lks->down_keys_list[i] -
165 MIN_LK201_KEY;
166 lks->down_keys_list[i] = -1;
167 return (LKD_MORE);
168 }
169 return (LKD_NODATA);
170 } else {
171 for (i = 0; i < LK_KLL; i++)
172 lks->down_keys_list[i] = -1;
173 *type = WSCONS_EVENT_ALL_KEYS_UP;
174 return (LKD_COMPLETE);
175 }
176 } else if (datain < MIN_LK201_KEY || datain > MAX_LK201_KEY) {
177 printf("lk201_decode: %x\n", datain);
178 return (0);
179 }
180
181 *dataout = datain - MIN_LK201_KEY;
182
183 freeslot = -1;
184 for (i = 0; i < LK_KLL; i++) {
185 if (lks->down_keys_list[i] == datain) {
186 *type = WSCONS_EVENT_KEY_UP;
187 lks->down_keys_list[i] = -1;
188 return (1);
189 }
190 if (lks->down_keys_list[i] == -1 && freeslot == -1)
191 freeslot = i;
192 }
193
194 if (freeslot == -1) {
195 printf("lk201_decode: down(%d) no free slot\n", datain);
196 return (0);
197 }
198
199 *type = WSCONS_EVENT_KEY_DOWN;
200 lks->down_keys_list[freeslot] = datain;
201 return (1);
202 }
203
204 void
lk201_bell(struct lk201_state * lks,struct wskbd_bell_data * bell)205 lk201_bell(struct lk201_state *lks, struct wskbd_bell_data *bell)
206 {
207 unsigned int vol;
208
209 if (bell->which & WSKBD_BELL_DOVOLUME) {
210 vol = 8 - bell->volume * 8 / 100;
211 if (vol > 7)
212 vol = 7;
213 } else
214 vol = 3;
215
216 if (vol != lks->bellvol) {
217 send(lks, LK_BELL_ENABLE);
218 send(lks, LK_PARAM_VOLUME(vol));
219 lks->bellvol = vol;
220 }
221 send(lks, LK_RING_BELL);
222 }
223
224 void
lk201_set_leds(struct lk201_state * lks,int leds)225 lk201_set_leds(struct lk201_state *lks, int leds)
226 {
227 int newleds;
228
229 newleds = 0;
230 if (leds & WSKBD_LED_SCROLL)
231 newleds |= LK_LED_WAIT;
232 if (leds & WSKBD_LED_CAPS)
233 newleds |= LK_LED_LOCK;
234
235 send(lks, LK_LED_DISABLE);
236 send(lks, (0x80 | (~newleds & 0x0f)));
237
238 send(lks, LK_LED_ENABLE);
239 send(lks, (0x80 | (newleds & 0x0f)));
240
241 lks->leds_state = leds;
242 }
243
244 void
lk201_set_keyclick(struct lk201_state * lks,int vol)245 lk201_set_keyclick(struct lk201_state *lks, int vol)
246 {
247 unsigned int newvol;
248
249 if (vol == 0)
250 send(lks, LK_CL_DISABLE);
251 else {
252 newvol = 8 - vol * 8 / 100;
253 if (newvol > 7)
254 newvol = 7;
255
256 send(lks, LK_CL_ENABLE);
257 send(lks, LK_PARAM_VOLUME(newvol));
258 }
259
260 lks->kcvol = vol;
261 }
262