1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
/* $OpenBSD: crosec_kbd.c,v 1.4 2021/03/25 04:12:01 jsg Exp $ */
/*
* Copyright (c) 2013 Patrick Wildt <patrick@blueri.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <armv7/exynos/crosecvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wskbdvar.h>
#include <dev/wscons/wsksymdef.h>
#include <dev/wscons/wsksymvar.h>
void cros_ec_add_task(void *);
void cros_ec_poll_keystate(void *);
int cros_ec_get_keystate(struct cros_ec_softc *);
int cros_ec_keyboard_enable(void *, int);
void cros_ec_keyboard_set_leds(void *, int);
int cros_ec_keyboard_ioctl(void *, u_long, caddr_t, int, struct proc *);
struct wskbd_accessops cros_ec_keyboard_accessops = {
cros_ec_keyboard_enable,
cros_ec_keyboard_set_leds,
cros_ec_keyboard_ioctl,
};
void cros_ec_keyboard_cngetc(void *, u_int *, int *);
void cros_ec_keyboard_cnpollc(void *, int);
struct wskbd_consops cros_ec_keyboard_consops = {
cros_ec_keyboard_cngetc,
cros_ec_keyboard_cnpollc,
};
/* XXX: assumes 8 rows, 13 cols, FDT */
#define KC(n) KS_KEYCODE(n)
static const keysym_t cros_ec_keyboard_keydesc_us[] = {
KC(1), KS_Caps_Lock,
KC(3), KS_b,
KC(6), KS_n,
KC(10), KS_Alt_R,
KC(14), KS_Escape,
KC(16), KS_g,
KC(19), KS_h,
KC(24), KS_BackSpace,
KC(26), KS_Control_L,
KC(27), KS_Tab,
KC(29), KS_t,
KC(32), KS_y,
KC(42), KS_5,
KC(45), KS_6,
KC(52), KS_Control_R,
KC(53), KS_a,
KC(54), KS_d,
KC(55), KS_f,
KC(56), KS_s,
KC(57), KS_k,
KC(58), KS_j,
KC(61), KS_l,
KC(63), KS_Return,
KC(66), KS_z,
KC(67), KS_c,
KC(68), KS_v,
KC(69), KS_x,
KC(70), KS_comma,
KC(71), KS_m,
KC(72), KS_Shift_L,
KC(74), KS_period,
KC(76), KS_space,
KC(79), KS_1,
KC(80), KS_3,
KC(81), KS_4,
KC(82), KS_2,
KC(83), KS_8,
KC(84), KS_7,
KC(86), KS_0,
KC(87), KS_9,
KC(88), KS_Alt_L,
KC(92), KS_q,
KC(93), KS_e,
KC(94), KS_r,
KC(95), KS_w,
KC(96), KS_i,
KC(97), KS_u,
KC(98), KS_Shift_R,
KC(99), KS_p,
KC(100), KS_o,
};
#define KBD_MAP(name, base, map) \
{ name, base, sizeof(map)/sizeof(keysym_t), map }
static const struct wscons_keydesc cros_ec_keyboard_keydesctab[] = {
KBD_MAP(KB_US, 0, cros_ec_keyboard_keydesc_us),
{0, 0, 0, 0}
};
struct wskbd_mapdata cros_ec_keyboard_keymapdata = {
cros_ec_keyboard_keydesctab,
KB_US,
};
int
cros_ec_init_keyboard(struct cros_ec_softc *sc)
{
struct ec_response_cros_ec_info info;
struct wskbddev_attach_args a;
if (cros_ec_info(sc, &info)) {
printf("%s: could not read KBC info\n", __func__);
return (-1);
}
sc->keyboard.rows = info.rows;
sc->keyboard.cols = info.cols;
sc->keyboard.switches = info.switches;
sc->keyboard.state = (uint8_t *)malloc(info.rows*info.cols,
M_DEVBUF, M_WAITOK|M_ZERO);
if (sc->keyboard.state == NULL)
panic("%s: no memory available for keyboard states", __func__);
/* FIXME: interrupt driven, please. */
sc->keyboard.taskq = taskq_create("crosec-keyb", 1, IPL_TTY, 0);
task_set(&sc->keyboard.task, cros_ec_poll_keystate, sc);
timeout_set(&sc->keyboard.timeout, cros_ec_add_task, sc);
/* XXX: ghosting */
wskbd_cnattach(&cros_ec_keyboard_consops, sc, &cros_ec_keyboard_keymapdata);
a.console = 1;
a.keymap = &cros_ec_keyboard_keymapdata;
a.accessops = &cros_ec_keyboard_accessops;
a.accesscookie = sc;
sc->keyboard.wskbddev = config_found((void *)sc, &a, wskbddevprint);
timeout_add_sec(&sc->keyboard.timeout, 10);
return 0;
}
void
cros_ec_add_task(void *arg)
{
struct cros_ec_softc *sc = (struct cros_ec_softc *)arg;
task_add(sc->keyboard.taskq, &sc->keyboard.task);
timeout_add_msec(&sc->keyboard.timeout, 100);
}
void
cros_ec_poll_keystate(void *arg)
{
struct cros_ec_softc *sc = (struct cros_ec_softc *)arg;
cros_ec_get_keystate(sc);
}
int
cros_ec_get_keystate(struct cros_ec_softc *sc)
{
int col, row, s;
uint8_t state[sc->keyboard.cols];
cros_ec_scan_keyboard(sc, state, sc->keyboard.cols);
for (col = 0; col < sc->keyboard.cols; col++) {
for (row = 0; row < sc->keyboard.rows; row++) {
int off = row*sc->keyboard.cols;
int pressed = !!(state[col] & (1 << row));
if (pressed && !sc->keyboard.state[off+col]) {
//printf("row %d col %d id %d pressed\n", row, col, off+col);
sc->keyboard.state[off+col] = 1;
if (sc->keyboard.polling)
return off+col;
s = spltty();
wskbd_input(sc->keyboard.wskbddev, WSCONS_EVENT_KEY_DOWN, off+col);
splx(s);
} else if (!pressed && sc->keyboard.state[off+col]) {
//printf("row %d col %d id %d released\n", row, col, off+col);
sc->keyboard.state[off+col] = 0;
if (sc->keyboard.polling)
return off+col;
s = spltty();
wskbd_input(sc->keyboard.wskbddev, WSCONS_EVENT_KEY_UP, off+col);
splx(s);
} else if (sc->keyboard.state[off+col]) {
//printf("row %d col %d id %d repeated\n", row, col, off+col);
}
}
}
return (-1);
}
void
cros_ec_keyboard_cngetc(void *v, u_int *type, int *data)
{
struct cros_ec_softc *sc = v;
int key;
sc->keyboard.polling = 1;
while ((key = cros_ec_get_keystate(sc)) == -1) {
delay(10000);
}
sc->keyboard.polling = 0;
*data = key;
*type = sc->keyboard.state[key] ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
}
void
cros_ec_keyboard_cnpollc(void *v, int on)
{
}
int
cros_ec_keyboard_enable(void *v, int on)
{
return 0;
}
void
cros_ec_keyboard_set_leds(void *v, int on)
{
}
int
cros_ec_keyboard_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
{
#ifdef WSDISPLAY_COMPAT_RAWKBD
struct cros_ec_softc *sc = v;
#endif
switch (cmd) {
case WSKBDIO_GTYPE:
*(int *)data = WSKBD_TYPE_ZAURUS;
return 0;
case WSKBDIO_SETLEDS:
return 0;
case WSKBDIO_GETLEDS:
*(int *)data = 0;
return 0;
#ifdef WSDISPLAY_COMPAT_RAWKBD
case WSKBDIO_SETMODE:
sc->keyboard.rawkbd = *(int *)data == WSKBD_RAW;
return (0);
#endif
}
/* kbdioctl(...); */
return -1;
}
|
