2 * (C) Gražvydas "notaz" Ignotas, 2010
4 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
5 * See the COPYING file in the top-level directory.
12 #include <sys/ioctl.h>
16 #include <linux/input.h>
28 /* XXX: these should go to private data */
29 static int osdl_evdev_devs[32];
30 static int osdl_evdev_dev_count;
31 static int osdl_tslib_fd;
32 static struct tsdev *osdl_tslib_dev;
34 static short osdl_evdev_map[KEY_CNT] = {
36 [KEY_0] = SDLK_0, [KEY_F10] = SDLK_F10,
37 [KEY_1] = SDLK_1, [KEY_F1] = SDLK_F1,
38 [KEY_2] = SDLK_2, [KEY_F2] = SDLK_F2,
39 [KEY_3] = SDLK_3, [KEY_F3] = SDLK_F3,
40 [KEY_4] = SDLK_4, [KEY_F4] = SDLK_F4,
41 [KEY_5] = SDLK_5, [KEY_F5] = SDLK_F5,
42 [KEY_6] = SDLK_6, [KEY_F6] = SDLK_F6,
43 [KEY_7] = SDLK_7, [KEY_F7] = SDLK_F7,
44 [KEY_8] = SDLK_8, [KEY_F8] = SDLK_F8,
45 [KEY_9] = SDLK_9, [KEY_F9] = SDLK_F9,
46 [KEY_A] = SDLK_a, [KEY_APOSTROPHE]= SDLK_QUOTE, /* ' */
47 [KEY_B] = SDLK_b, [KEY_F14] = 124, /* | */
48 [KEY_C] = SDLK_c, [KEY_BACKSLASH] = SDLK_BACKSLASH, /* \ */
49 [KEY_D] = SDLK_d, [KEY_KPMINUS] = SDLK_MINUS,
50 [KEY_E] = SDLK_e, [KEY_LEFTBRACE] = SDLK_LEFTPAREN,
51 [KEY_F] = SDLK_f, [KEY_KPPLUS] = SDLK_PLUS,
52 [KEY_G] = SDLK_g, [KEY_EQUAL] = SDLK_EQUALS,
53 [KEY_H] = SDLK_h, [KEY_GRAVE] = SDLK_BACKQUOTE, /* ` */
54 [KEY_I] = SDLK_i, /* [KEY_BRIGHTNESSUP] */
55 [KEY_J] = SDLK_j, [KEY_F13] = SDLK_WORLD_4, /* ’ (not on def SDL) */
56 [KEY_K] = SDLK_k, [KEY_F18] = SDLK_WORLD_3, /* £ (pound) */
57 [KEY_L] = SDLK_l, [KEY_YEN] = SDLK_WORLD_5,
58 [KEY_M] = SDLK_m, [KEY_F23] = SDLK_EURO,
59 [KEY_N] = SDLK_n, [KEY_F22] = SDLK_DOLLAR, /* $ */
60 [KEY_O] = SDLK_o, [KEY_F11] = SDLK_F11,
61 [KEY_P] = SDLK_p, [KEY_F12] = SDLK_F12,
62 [KEY_Q] = SDLK_q, [KEY_ESC] = SDLK_ESCAPE,
63 [KEY_R] = SDLK_r, [KEY_RIGHTBRACE]= SDLK_RIGHTPAREN,
64 [KEY_S] = SDLK_s, [KEY_F19] = SDLK_QUOTEDBL, /* " */
65 [KEY_T] = SDLK_t, [KEY_F17] = SDLK_EXCLAIM, /* ! */
66 [KEY_U] = SDLK_u, /* [KEY_BRIGHTNESSDOWN] */
67 [KEY_V] = SDLK_v, [KEY_F16] = SDLK_HASH, /* # (pound/hash) */
68 [KEY_W] = SDLK_w, [KEY_F20] = SDLK_AT, /* @ */
69 [KEY_X] = SDLK_x, [KEY_QUESTION] = SDLK_QUESTION, /* ? */
70 [KEY_Y] = SDLK_y, [KEY_F15] = SDLK_UNDERSCORE,/* _ */
71 [KEY_Z] = SDLK_z, [KEY_SLASH] = SDLK_SLASH, /* / */
72 [KEY_SPACE] = SDLK_SPACE, [KEY_TAB] = SDLK_TAB,
73 [KEY_BACKSPACE] = SDLK_BACKSPACE, [KEY_INSERT] = SDLK_INSERT,
75 [KEY_DOT] = SDLK_PERIOD, [KEY_F21] = SDLK_COLON, /* : */
76 [KEY_ENTER] = SDLK_RETURN,
77 [KEY_LEFTSHIFT] = SDLK_LSHIFT, [KEY_CAPSLOCK] = SDLK_CAPSLOCK,
78 [KEY_COMMA] = SDLK_COMMA, [KEY_SEMICOLON] = SDLK_SEMICOLON, /* ; */
81 [KEY_DOWN] = SDLK_DOWN,
82 [KEY_LEFT] = SDLK_LEFT,
83 [KEY_RIGHT] = SDLK_RIGHT,
84 [KEY_HOME] = SDLK_HOME,
86 [KEY_PAGEUP] = SDLK_PAGEUP,
87 [KEY_PAGEDOWN] = SDLK_PAGEDOWN,
88 [KEY_LEFTALT] = SDLK_LALT,
89 [KEY_LEFTCTRL] = SDLK_LCTRL,
90 [KEY_MENU] = 147, /* match default SDL here */
91 [KEY_RIGHTSHIFT]= SDLK_RSHIFT,
92 [KEY_RIGHTCTRL] = SDLK_RCTRL,
95 static const char * const osdl_evdev_keys[KEY_CNT] = {
96 [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc",
97 [KEY_1] = "1", [KEY_2] = "2",
98 [KEY_3] = "3", [KEY_4] = "4",
99 [KEY_5] = "5", [KEY_6] = "6",
100 [KEY_7] = "7", [KEY_8] = "8",
101 [KEY_9] = "9", [KEY_0] = "0",
102 [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal",
103 [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab",
104 [KEY_Q] = "Q", [KEY_W] = "W",
105 [KEY_E] = "E", [KEY_R] = "R",
106 [KEY_T] = "T", [KEY_Y] = "Y",
107 [KEY_U] = "U", [KEY_I] = "I",
108 [KEY_O] = "O", [KEY_P] = "P",
109 [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace",
110 [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl",
111 [KEY_A] = "A", [KEY_S] = "S",
112 [KEY_D] = "D", [KEY_F] = "F",
113 [KEY_G] = "G", [KEY_H] = "H",
114 [KEY_J] = "J", [KEY_K] = "K",
115 [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon",
116 [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave",
117 [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash",
118 [KEY_Z] = "Z", [KEY_X] = "X",
119 [KEY_C] = "C", [KEY_V] = "V",
120 [KEY_B] = "B", [KEY_N] = "N",
121 [KEY_M] = "M", [KEY_COMMA] = "Comma",
122 [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash",
123 [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk",
124 [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space",
125 [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1",
126 [KEY_F2] = "F2", [KEY_F3] = "F3",
127 [KEY_F4] = "F4", [KEY_F5] = "F5",
128 [KEY_F6] = "F6", [KEY_F7] = "F7",
129 [KEY_F8] = "F8", [KEY_F9] = "F9",
130 [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock",
131 [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7",
132 [KEY_KP8] = "KP8", [KEY_KP9] = "KP9",
133 [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4",
134 [KEY_KP5] = "KP5", [KEY_KP6] = "KP6",
135 [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1",
136 [KEY_KP2] = "KP2", [KEY_KP3] = "KP3",
137 [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot",
138 [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
139 [KEY_F11] = "F11", [KEY_F12] = "F12",
140 [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter",
141 [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash",
142 [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt",
143 [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home",
144 [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp",
145 [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right",
146 [KEY_END] = "End", [KEY_DOWN] = "Down",
147 [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert",
148 [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro",
149 [KEY_HELP] = "Help", [KEY_MENU] = "Menu",
150 [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction",
151 [BTN_0] = "Btn0", [BTN_1] = "Btn1",
152 [BTN_2] = "Btn2", [BTN_3] = "Btn3",
153 [BTN_4] = "Btn4", [BTN_5] = "Btn5",
154 [BTN_6] = "Btn6", [BTN_7] = "Btn7",
155 [BTN_8] = "Btn8", [BTN_9] = "Btn9",
156 [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn",
157 [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn",
158 [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn",
159 [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn",
160 [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn",
161 [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn",
162 [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn",
163 [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2",
164 [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4",
165 [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6",
166 [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA",
167 [BTN_B] = "BtnB", [BTN_C] = "BtnC",
168 [BTN_X] = "BtnX", [BTN_Y] = "BtnY",
169 [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL",
170 [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2",
171 [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect",
172 [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode",
173 [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR",
174 [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus",
175 [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
176 [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
177 [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok",
180 #define DNKEY(x) [SDLK_##x] = #x
181 static const char * const sdl_keynames[SDLK_LAST] = {
405 void omapsdl_input_bind(const char *kname, const char *sdlname)
409 if (kname == NULL || strncasecmp(kname, "ev_", 3) != 0)
412 for (i = 0; i < ARRAY_SIZE(osdl_evdev_keys); i++) {
413 if (osdl_evdev_keys[i] == NULL)
415 if (strcasecmp(osdl_evdev_keys[i], kname + 3) == 0)
419 if (i >= ARRAY_SIZE(osdl_evdev_keys))
423 if (sdlname == NULL || strncasecmp(sdlname, "SDLK_", 5) != 0)
426 for (i = 0; i < ARRAY_SIZE(sdl_keynames); i++) {
427 if (sdl_keynames[i] == NULL)
429 if (strcasecmp(sdl_keynames[i], sdlname + 5) == 0)
433 if (i >= ARRAY_SIZE(sdl_keynames))
436 osdl_evdev_map[kc] = i;
440 err("can't resolve evdev key '%s'", kname);
444 err("can't resolve SDL key '%s'", sdlname);
447 #define KEYBITS_BIT(keybits, x) (keybits[(x)/sizeof(keybits[0])/8] & \
448 (1 << ((x) & (sizeof(keybits[0])*8-1))))
450 void omapsdl_input_init(void)
452 long keybits[KEY_CNT / sizeof(long) / 8];
453 ino_t touchscreen_ino = (ino_t)-1;
454 struct stat stat_buf;
458 /* start with touchscreen so that we can skip it later */
459 osdl_tslib_dev = ts_open(SDL_getenv("TSLIB_TSDEVICE"), 1);
460 if (ts_config(osdl_tslib_dev) < 0) {
461 ts_close(osdl_tslib_dev);
462 osdl_tslib_dev = NULL;
464 if (osdl_tslib_dev != NULL) {
465 osdl_tslib_fd = ts_fd(osdl_tslib_dev);
466 osdl_evdev_devs[osdl_evdev_dev_count++] = osdl_tslib_fd;
467 if (fstat(osdl_tslib_fd, &stat_buf) == -1)
468 err_perror("fstat ts");
470 touchscreen_ino = stat_buf.st_ino;
471 log("opened tslib touchscreen");
475 /* the kernel might support and return less keys then we know about,
476 * so make sure the buffer is clear. */
477 memset(keybits, 0, sizeof(keybits));
481 int support = 0, count = 0;
485 snprintf(name, sizeof(name), "/dev/input/event%d", i);
486 fd = open(name, O_RDONLY|O_NONBLOCK);
489 continue; /* maybe we can access next one */
493 /* touchscreen check */
494 if (touchscreen_ino != (dev_t)-1) {
495 if (fstat(fd, &stat_buf) == -1)
497 else if (touchscreen_ino == stat_buf.st_ino) {
498 log("skip %s as ts", name);
503 /* check supported events */
504 ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
506 err_perror("in_evdev: ioctl failed on %s", name);
510 if (!(support & (1 << EV_KEY)))
513 ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
515 err_perror("in_evdev: ioctl failed on %s", name);
519 /* check for interesting keys */
520 for (u = 0; u < KEY_CNT; u++) {
521 if (KEYBITS_BIT(keybits, u)) {
522 if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
530 osdl_evdev_devs[osdl_evdev_dev_count++] = fd;
531 ioctl(fd, EVIOCGNAME(sizeof(name)), name);
532 log("in_evdev: found \"%s\" with %d events (type %08x)",
533 name, count, support);
540 log("found %d evdev device(s).", osdl_evdev_dev_count);
543 void omapsdl_input_finish(void)
548 if (osdl_tslib_dev != NULL)
549 ts_close(osdl_tslib_dev);
551 osdl_tslib_dev = NULL;
553 for (i = 0; i < osdl_evdev_dev_count; i++) {
554 if (osdl_evdev_devs[i] != osdl_tslib_fd)
555 close(osdl_evdev_devs[i]);
557 osdl_evdev_dev_count = 0;
561 int omapsdl_input_get_events(int timeout_ms,
562 int (*key_cb)(void *cb_arg, int sdl_kc, int is_pressed),
563 int (*ts_cb)(void *cb_arg, int x, int y, unsigned int pressure),
566 struct timeval tv, *timeout = NULL;
567 struct input_event ev;
571 if (timeout_ms >= 0) {
572 tv.tv_sec = timeout_ms / 1000;
573 tv.tv_usec = (timeout_ms % 1000) * 1000;
578 for (i = 0; i < osdl_evdev_dev_count; i++) {
579 if (osdl_evdev_devs[i] > fdmax)
580 fdmax = osdl_evdev_devs[i];
581 FD_SET(osdl_evdev_devs[i], &fdset);
588 ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
591 err_perror("in_evdev: select failed");
595 return -1; /* timeout */
597 for (i = 0; i < osdl_evdev_dev_count; i++) {
598 if (!FD_ISSET(osdl_evdev_devs[i], &fdset))
601 fd = osdl_evdev_devs[i];
603 if (fd == osdl_tslib_fd && ts_cb != NULL) {
605 struct ts_sample tss;
606 ret = ts_read(osdl_tslib_dev, &tss, 1);
609 ret = ts_cb(cb_arg, tss.x, tss.y, tss.pressure);
615 /* else read below will consume the event, even if it's from ts */
619 ret = read(fd, &ev, sizeof(ev));
620 if (ret < (int)sizeof(ev)) {
621 if (errno != EAGAIN) {
622 err_perror("in_evdev: read failed");
628 if (ev.type != EV_KEY)
629 continue; /* not key event */
630 if ((unsigned int)ev.value > 1)
631 continue; /* not key up/down */
632 if ((unsigned int)ev.code >= ARRAY_SIZE(osdl_evdev_map))
633 continue; /* keycode from future */
634 sdl_kc = osdl_evdev_map[ev.code];
636 continue; /* not mapped */
637 ret = key_cb(cb_arg, sdl_kc, ev.value);
648 static unsigned char g_keystate[SDLK_LAST];
655 static int do_key_cb(void *cb_arg, int sdl_kc, int is_pressed)
657 struct key_event *ev = cb_arg;
659 ev->is_pressed = is_pressed;
664 static int do_event(SDL_Event *event, int timeout)
669 ret = omapsdl_input_get_events(timeout, do_key_cb, NULL, &ev);
673 g_keystate[ev.sdl_kc] = ev.is_pressed;
676 return 1; // FIXME: ..but the event is lost
678 memset(event, 0, sizeof(event->key));
679 event->type = ev.is_pressed ? SDL_KEYDOWN : SDL_KEYUP;
680 // event->key.which =
681 event->key.state = ev.is_pressed ? SDL_PRESSED : SDL_RELEASED;
682 event->key.keysym.sym = ev.sdl_kc;
683 // event->key.keysym.mod
689 SDL_WaitEvent(SDL_Event *event)
693 return do_event(event, -1);
697 SDL_PollEvent(SDL_Event *event)
701 return do_event(event, 0);
704 DECLSPEC Uint8 * SDLCALL
705 SDL_GetKeyState(int *numkeys)
707 trace("%p", numkeys);
710 *numkeys = ARRAY_SIZE(g_keystate);
714 DECLSPEC char * SDLCALL
715 SDL_GetKeyName(SDLKey key)
719 if ((unsigned int)key < ARRAY_SIZE(sdl_keynames))
720 return (char *)sdl_keynames[key];
726 SDL_EnableUNICODE(int enable)
737 SDL_EnableKeyRepeat(int delay, int interval)
739 trace("%d, %d", delay, interval);
746 DECLSPEC void SDLCALL
747 SDL_GetKeyRepeat(int *delay, int *interval)
749 trace("%p, %p", delay, interval);
757 DECLSPEC SDLMod SDLCALL
758 SDL_GetModState(void)
760 static const short syms[] = { SDLK_LSHIFT, SDLK_RSHIFT, SDLK_LCTRL, SDLK_RCTRL, SDLK_LALT,
761 SDLK_RALT, SDLK_LMETA, SDLK_RMETA, SDLK_NUMLOCK, SDLK_CAPSLOCK, SDLK_MODE };
762 static const short mods[] = { KMOD_LSHIFT, KMOD_RSHIFT, KMOD_LCTRL, KMOD_RCTRL, KMOD_LALT,
763 KMOD_RALT, KMOD_LMETA, KMOD_RMETA, KMOD_NUM, KMOD_CAPS, KMOD_MODE };
764 SDLMod ret = KMOD_NONE;
769 for (i = 0; i < ARRAY_SIZE(syms); i++)
770 if (g_keystate[syms[i]])
778 SDL_NumJoysticks(void)
784 DECLSPEC SDL_Joystick * SDLCALL
785 SDL_JoystickOpen(int device_index)
787 trace("%d", device_index);