d92ea048 |
1 | #include <stdio.h> |
2 | #include <string.h> |
3 | #include <sys/types.h> |
4 | #include <sys/stat.h> |
5 | #include <fcntl.h> |
6 | #include <sys/ioctl.h> |
7 | #include <unistd.h> |
8 | #include <linux/input.h> |
9 | #include <errno.h> |
10 | |
34581c95 |
11 | #include "../common/common.h" |
2258f158 |
12 | #include "../common/input.h" |
34581c95 |
13 | #include "in_evdev.h" |
d92ea048 |
14 | |
da767bd5 |
15 | #define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \ |
d92ea048 |
16 | (1 << ((x) & (sizeof(keybits[0])*8-1)))) |
17 | |
da767bd5 |
18 | static const char * const in_evdev_prefix = "evdev:"; |
19 | static const char * const in_evdev_keys[KEY_MAX + 1] = { |
595491c4 |
20 | [0 ... KEY_MAX] = NULL, |
21 | [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", |
22 | [KEY_1] = "1", [KEY_2] = "2", |
23 | [KEY_3] = "3", [KEY_4] = "4", |
24 | [KEY_5] = "5", [KEY_6] = "6", |
25 | [KEY_7] = "7", [KEY_8] = "8", |
26 | [KEY_9] = "9", [KEY_0] = "0", |
27 | [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal", |
28 | [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab", |
29 | [KEY_Q] = "Q", [KEY_W] = "W", |
30 | [KEY_E] = "E", [KEY_R] = "R", |
31 | [KEY_T] = "T", [KEY_Y] = "Y", |
32 | [KEY_U] = "U", [KEY_I] = "I", |
33 | [KEY_O] = "O", [KEY_P] = "P", |
34 | [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace", |
35 | [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl", |
36 | [KEY_A] = "A", [KEY_S] = "S", |
37 | [KEY_D] = "D", [KEY_F] = "F", |
38 | [KEY_G] = "G", [KEY_H] = "H", |
39 | [KEY_J] = "J", [KEY_K] = "K", |
40 | [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon", |
41 | [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave", |
42 | [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash", |
43 | [KEY_Z] = "Z", [KEY_X] = "X", |
44 | [KEY_C] = "C", [KEY_V] = "V", |
45 | [KEY_B] = "B", [KEY_N] = "N", |
46 | [KEY_M] = "M", [KEY_COMMA] = "Comma", |
47 | [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash", |
48 | [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk", |
49 | [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space", |
50 | [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1", |
51 | [KEY_F2] = "F2", [KEY_F3] = "F3", |
52 | [KEY_F4] = "F4", [KEY_F5] = "F5", |
53 | [KEY_F6] = "F6", [KEY_F7] = "F7", |
54 | [KEY_F8] = "F8", [KEY_F9] = "F9", |
55 | [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock", |
56 | [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7", |
57 | [KEY_KP8] = "KP8", [KEY_KP9] = "KP9", |
58 | [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4", |
59 | [KEY_KP5] = "KP5", [KEY_KP6] = "KP6", |
60 | [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1", |
61 | [KEY_KP2] = "KP2", [KEY_KP3] = "KP3", |
62 | [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot", |
63 | [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd", |
64 | [KEY_F11] = "F11", [KEY_F12] = "F12", |
65 | [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter", |
66 | [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash", |
67 | [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt", |
68 | [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home", |
69 | [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp", |
70 | [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right", |
71 | [KEY_END] = "End", [KEY_DOWN] = "Down", |
72 | [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert", |
73 | [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro", |
74 | [KEY_HELP] = "Help", [KEY_MENU] = "Menu", |
75 | [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction", |
76 | [BTN_0] = "Btn0", [BTN_1] = "Btn1", |
77 | [BTN_2] = "Btn2", [BTN_3] = "Btn3", |
78 | [BTN_4] = "Btn4", [BTN_5] = "Btn5", |
79 | [BTN_6] = "Btn6", [BTN_7] = "Btn7", |
80 | [BTN_8] = "Btn8", [BTN_9] = "Btn9", |
81 | [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn", |
82 | [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn", |
83 | [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn", |
84 | [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn", |
85 | [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn", |
86 | [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn", |
87 | [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn", |
88 | [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2", |
89 | [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4", |
90 | [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6", |
91 | [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA", |
92 | [BTN_B] = "BtnB", [BTN_C] = "BtnC", |
93 | [BTN_X] = "BtnX", [BTN_Y] = "BtnY", |
94 | [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL", |
95 | [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2", |
96 | [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect", |
97 | [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode", |
98 | [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR", |
99 | [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus", |
100 | [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "Tool Doubletap", |
101 | [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn", |
102 | [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok", |
103 | }; |
104 | |
105 | |
da767bd5 |
106 | static void in_evdev_probe(void) |
d92ea048 |
107 | { |
108 | int i; |
109 | |
2258f158 |
110 | for (i = 0;; i++) |
d92ea048 |
111 | { |
da767bd5 |
112 | int u, ret, fd, keybits[(KEY_MAX+1)/sizeof(int)]; |
d92ea048 |
113 | int support = 0, count = 0; |
114 | char name[64]; |
115 | |
116 | snprintf(name, sizeof(name), "/dev/input/event%d", i); |
117 | fd = open(name, O_RDONLY|O_NONBLOCK); |
118 | if (fd == -1) |
119 | break; |
120 | |
121 | /* check supported events */ |
122 | ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); |
123 | if (ret == -1) { |
2258f158 |
124 | printf("in_evdev: ioctl failed on %s\n", name); |
d92ea048 |
125 | goto skip; |
126 | } |
127 | |
128 | if (!(support & (1 << EV_KEY))) |
129 | goto skip; |
130 | |
131 | ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); |
132 | if (ret == -1) { |
2258f158 |
133 | printf("in_evdev: ioctl failed on %s\n", name); |
d92ea048 |
134 | goto skip; |
135 | } |
136 | |
d92ea048 |
137 | /* check for interesting keys */ |
da767bd5 |
138 | for (u = 0; u < KEY_MAX + 1; u++) { |
139 | if (KEYBITS_BIT(u) && u != KEY_POWER && u != KEY_SLEEP) |
d92ea048 |
140 | count++; |
141 | } |
142 | |
143 | if (count == 0) |
144 | goto skip; |
145 | |
da767bd5 |
146 | strcpy(name, in_evdev_prefix); |
2258f158 |
147 | ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6); |
148 | printf("in_evdev: found \"%s\" with %d events (type %08x)\n", |
149 | name+6, count, support); |
150 | in_register(name, IN_DRVID_EVDEV, (void *)fd); |
d92ea048 |
151 | continue; |
152 | |
153 | skip: |
154 | close(fd); |
155 | } |
d92ea048 |
156 | } |
157 | |
da767bd5 |
158 | static void in_evdev_free(void *drv_data) |
2258f158 |
159 | { |
160 | close((int)drv_data); |
161 | } |
162 | |
da767bd5 |
163 | static int in_evdev_get_bind_count(void) |
d92ea048 |
164 | { |
da767bd5 |
165 | return KEY_MAX + 1; |
d92ea048 |
166 | } |
167 | |
2258f158 |
168 | int in_evdev_update(void *drv_data, int *binds) |
d92ea048 |
169 | { |
170 | struct input_event ev[16]; |
da767bd5 |
171 | int keybits[(KEY_MAX+1)/sizeof(int)]; |
2258f158 |
172 | int fd = (int)drv_data; |
173 | int result = 0, changed = 0; |
174 | int rd, ret, u; |
d92ea048 |
175 | |
2258f158 |
176 | while (1) { |
177 | rd = read(fd, ev, sizeof(ev)); |
178 | if (rd < (int)sizeof(ev[0])) { |
179 | if (errno != EAGAIN) |
180 | perror("in_evdev: read failed"); |
181 | break; |
d92ea048 |
182 | } |
183 | |
2258f158 |
184 | changed = 1; |
185 | } |
d92ea048 |
186 | |
2258f158 |
187 | /* |
188 | if (!changed) |
189 | return 0; |
190 | */ |
191 | ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits); |
192 | if (ret == -1) { |
193 | perror("in_evdev: ioctl failed"); |
194 | return 0; |
195 | } |
d92ea048 |
196 | |
2258f158 |
197 | printf("#%d: ", fd); |
da767bd5 |
198 | for (u = 0; u < KEY_MAX + 1; u++) { |
199 | if (KEYBITS_BIT(u)) { |
2258f158 |
200 | printf(" %d", u); |
201 | result |= binds[u]; |
d92ea048 |
202 | } |
d92ea048 |
203 | } |
2258f158 |
204 | printf("\n"); |
d92ea048 |
205 | |
206 | return result; |
207 | } |
208 | |
da767bd5 |
209 | static void in_evdev_set_blocking(void *data, int y) |
34581c95 |
210 | { |
34581c95 |
211 | long flags; |
595491c4 |
212 | int ret; |
34581c95 |
213 | |
595491c4 |
214 | flags = (long)fcntl((int)data, F_GETFL); |
215 | if ((int)flags == -1) { |
216 | perror("in_evdev: F_GETFL fcntl failed"); |
217 | return; |
34581c95 |
218 | } |
595491c4 |
219 | if (y) |
220 | flags &= ~O_NONBLOCK; |
221 | else |
222 | flags |= O_NONBLOCK; |
223 | ret = fcntl((int)data, F_SETFL, flags); |
224 | if (ret == -1) |
225 | perror("in_evdev: F_SETFL fcntl failed"); |
226 | } |
227 | |
228 | int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down) |
229 | { |
230 | const int *fds = (const int *)data; |
231 | int i, fdmax = -1; |
232 | |
233 | for (i = 0; i < dcount; i++) |
234 | if (fds[i] > fdmax) fdmax = fds[i]; |
34581c95 |
235 | |
236 | while (1) |
237 | { |
238 | struct input_event ev[64]; |
595491c4 |
239 | int ret, fd = -1, rd; |
34581c95 |
240 | fd_set fdset; |
241 | |
242 | FD_ZERO(&fdset); |
595491c4 |
243 | for (i = 0; i < dcount; i++) |
34581c95 |
244 | FD_SET(fds[i], &fdset); |
245 | |
246 | ret = select(fdmax + 1, &fdset, NULL, NULL, NULL); |
247 | if (ret == -1) |
248 | { |
249 | perror("in_evdev: select failed"); |
250 | sleep(1); |
251 | return 0; |
252 | } |
253 | |
595491c4 |
254 | for (i = 0; i < dcount; i++) |
34581c95 |
255 | if (FD_ISSET(fds[i], &fdset)) |
595491c4 |
256 | *which = i, fd = fds[i]; |
34581c95 |
257 | |
258 | rd = read(fd, ev, sizeof(ev[0]) * 64); |
259 | if (rd < (int) sizeof(ev[0])) { |
260 | perror("in_evdev: error reading"); |
261 | sleep(1); |
262 | return 0; |
263 | } |
264 | |
34581c95 |
265 | for (i = 0; i < rd / sizeof(ev[0]); i++) |
266 | { |
267 | if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1) |
268 | continue; |
269 | |
595491c4 |
270 | if (is_down) |
271 | *is_down = ev[i].value; |
272 | return ev[i].code; |
34581c95 |
273 | } |
34581c95 |
274 | } |
595491c4 |
275 | } |
34581c95 |
276 | |
da767bd5 |
277 | static int in_evdev_menu_translate(int keycode) |
595491c4 |
278 | { |
279 | switch (keycode) { |
280 | /* keyboards */ |
281 | case KEY_UP: return PBTN_UP; |
282 | case KEY_DOWN: return PBTN_DOWN; |
283 | case KEY_LEFT: return PBTN_LEFT; |
284 | case KEY_RIGHT: return PBTN_RIGHT; |
285 | case KEY_ENTER: return PBTN_EAST; |
286 | case KEY_ESC: return PBTN_SOUTH; |
287 | default: return 0; |
34581c95 |
288 | } |
595491c4 |
289 | } |
34581c95 |
290 | |
da767bd5 |
291 | static int in_evdev_get_key_code(const char *key_name) |
292 | { |
293 | int i; |
294 | |
295 | for (i = 0; i < KEY_MAX + 1; i++) { |
296 | const char *k = in_evdev_keys[i]; |
297 | if (k != NULL && k[0] == key_name[0] && |
298 | strcasecmp(k, key_name) == 0) |
299 | return i; |
300 | } |
301 | |
302 | return -1; |
303 | } |
304 | |
305 | static const char *in_evdev_get_key_name(int keycode) |
595491c4 |
306 | { |
307 | const char *name = NULL; |
da767bd5 |
308 | if (keycode >= 0 && keycode <= KEY_MAX) |
595491c4 |
309 | name = in_evdev_keys[keycode]; |
310 | if (name == NULL) |
311 | name = "Unkn"; |
312 | |
313 | return name; |
34581c95 |
314 | } |
315 | |
da767bd5 |
316 | static const struct { |
317 | short code; |
318 | short bit; |
319 | } in_evdev_def_binds[] = |
320 | { |
321 | /* MXYZ SACB RLDU */ |
322 | { KEY_UP, 0 }, |
323 | { KEY_DOWN, 1 }, |
324 | { KEY_LEFT, 2 }, |
325 | { KEY_RIGHT, 3 }, |
326 | { KEY_S, 4 }, /* B */ |
327 | { KEY_D, 5 }, /* C */ |
328 | { KEY_A, 6 }, /* A */ |
329 | { KEY_ENTER, 7 }, |
330 | }; |
331 | |
332 | #define DEF_BIND_COUNT (sizeof(in_evdev_def_binds) / sizeof(in_evdev_def_binds[0])) |
333 | |
334 | static void in_evdev_get_def_binds(int *binds) |
335 | { |
336 | int i; |
337 | |
338 | for (i = 0; i < DEF_BIND_COUNT; i++) |
339 | binds[in_evdev_def_binds[i].code] = 1 << in_evdev_def_binds[i].bit; |
340 | } |
341 | |
342 | /* remove bad binds, count good ones */ |
343 | static int in_evdev_clean_binds(void *drv_data, int *binds) |
344 | { |
345 | int keybits[(KEY_MAX+1)/sizeof(int)]; |
346 | int i, ret, count = 0; |
347 | |
348 | ret = ioctl((int)drv_data, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); |
349 | if (ret == -1) { |
350 | perror("in_evdev: ioctl failed"); |
351 | memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */ |
352 | } |
353 | |
354 | for (i = 0; i < KEY_MAX + 1; i++) { |
355 | if (!KEYBITS_BIT(i)) |
356 | binds[i] = binds[i + KEY_MAX + 1] = 0; |
357 | if (binds[i]) |
358 | count++; |
359 | } |
360 | |
361 | return count; |
362 | } |
363 | |
364 | void in_evdev_init(void *vdrv) |
365 | { |
366 | in_drv_t *drv = vdrv; |
367 | |
368 | drv->prefix = in_evdev_prefix; |
369 | drv->probe = in_evdev_probe; |
370 | drv->free = in_evdev_free; |
371 | drv->get_bind_count = in_evdev_get_bind_count; |
372 | drv->get_def_binds = in_evdev_get_def_binds; |
373 | drv->clean_binds = in_evdev_clean_binds; |
374 | drv->set_blocking = in_evdev_set_blocking; |
375 | drv->menu_translate = in_evdev_menu_translate; |
376 | drv->get_key_code = in_evdev_get_key_code; |
377 | drv->get_key_name = in_evdev_get_key_name; |
378 | } |
379 | |