+/*
+ * (C) GraÅžvydas "notaz" Ignotas, 2008-2010
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ * - GNU GPL, version 2 or later.
+ * - GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \
~(1 << ((x) & (sizeof(keybits[0])*8-1))))
+int in_evdev_allow_abs_only;
+
static const char * const in_evdev_prefix = "evdev:";
static const char * const in_evdev_keys[KEY_CNT] = {
[0 ... KEY_MAX] = NULL,
for (i = 0;; i++)
{
int support = 0, count = 0;
- int u, ret, fd, kc_first, kc_last;
+ int u, ret, fd, kc_first = KEY_MAX, kc_last = 0;
in_evdev_t *dev;
char name[64];
goto skip;
}
- if (!(support & (1 << EV_KEY)))
- goto skip;
-
- ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
- if (ret == -1) {
- printf("in_evdev: ioctl failed on %s\n", name);
- goto skip;
- }
+ if (support & (1 << EV_KEY)) {
+ ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
+ if (ret == -1) {
+ printf("in_evdev: ioctl failed on %s\n", name);
+ goto skip;
+ }
- /* check for interesting keys */
- kc_first = KEY_MAX;
- kc_last = 0;
- for (u = 0; u < KEY_CNT; u++) {
- if (KEYBITS_BIT(u)) {
- if (u < kc_first)
- kc_first = u;
- if (u > kc_last)
- kc_last = u;
- if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
- count++;
+ /* check for interesting keys */
+ for (u = 0; u < KEY_CNT; u++) {
+ if (KEYBITS_BIT(u)) {
+ if (u < kc_first)
+ kc_first = u;
+ if (u > kc_last)
+ kc_last = u;
+ if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
+ count++;
+ if (u == BTN_TOUCH) /* we can't deal with ts currently */
+ goto skip;
+ }
}
}
- if (count == 0)
+ if (count == 0 && !in_evdev_allow_abs_only)
goto skip;
dev = calloc(1, sizeof(*dev));
}
no_abs:
+ if (count == 0 && dev->abs_lzone == 0) {
+ free(dev);
+ goto skip;
+ }
+
dev->fd = fd;
dev->kc_first = kc_first;
dev->kc_last = kc_last;
free(dev);
}
-static int in_evdev_get_bind_count(void)
+static const char * const *
+in_evdev_get_key_names(int *count)
{
- return KEY_CNT;
+ *count = KEY_CNT;
+ return in_evdev_keys;
}
static void or_binds(const int *binds, int key, int *result)
struct input_event ev;
int rd;
- while (1)
- {
- rd = read(dev->fd, &ev, sizeof(ev));
- if (rd < (int) sizeof(ev)) {
- if (errno != EAGAIN) {
- perror("in_evdev: error reading");
- sleep(1);
- }
- goto out;
+ /* do single event, the caller sometimes wants
+ * to do select() in blocking mode */
+ rd = read(dev->fd, &ev, sizeof(ev));
+ if (rd < (int) sizeof(ev)) {
+ if (errno != EAGAIN) {
+ perror("in_evdev: error reading");
+ //sleep(1);
+ ret_kc = -2;
}
+ goto out;
+ }
- if (ev.type == EV_KEY) {
- if (ev.value < 0 || ev.value > 1)
- continue;
- ret_kc = ev.code;
- ret_down = ev.value;
+ if (ev.type == EV_KEY) {
+ if (ev.value < 0 || ev.value > 1)
goto out;
+ ret_kc = ev.code;
+ ret_down = ev.value;
+ goto out;
+ }
+ else if (ev.type == EV_ABS)
+ {
+ int lzone = dev->abs_lzone, down = 0, *last;
+
+ // map absolute to up/down/left/right
+ if (lzone != 0 && ev.code == ABS_X) {
+ if (ev.value < dev->abs_min_x + lzone)
+ down = KEY_LEFT;
+ else if (ev.value > dev->abs_max_x - lzone)
+ down = KEY_RIGHT;
+ last = &dev->abs_lastx;
}
- else if (ev.type == EV_ABS)
- {
- int lzone = dev->abs_lzone, down = 0, *last;
-
- // map absolute to up/down/left/right
- if (lzone != 0 && ev.code == ABS_X) {
- if (ev.value < dev->abs_min_x + lzone)
- down = KEY_LEFT;
- else if (ev.value > dev->abs_max_x - lzone)
- down = KEY_RIGHT;
- last = &dev->abs_lastx;
- }
- else if (lzone != 0 && ev.code == ABS_Y) {
- if (ev.value < dev->abs_min_y + lzone)
- down = KEY_UP;
- else if (ev.value > dev->abs_max_y - lzone)
- down = KEY_DOWN;
- last = &dev->abs_lasty;
- }
- else
- continue;
-
- if (down == *last)
- continue;
-
- if (down == 0 || *last != 0) {
- /* key up or direction change, return up event for old key */
- ret_kc = *last;
- ret_down = 0;
- *last = 0;
- goto out;
- }
- ret_kc = *last = down;
- ret_down = 1;
+ else if (lzone != 0 && ev.code == ABS_Y) {
+ if (ev.value < dev->abs_min_y + lzone)
+ down = KEY_UP;
+ else if (ev.value > dev->abs_max_y - lzone)
+ down = KEY_DOWN;
+ last = &dev->abs_lasty;
+ }
+ else
+ goto out;
+
+ if (down == *last)
+ goto out;
+
+ if (down == 0 || *last != 0) {
+ /* key up or direction change, return up event for old key */
+ ret_kc = *last;
+ ret_down = 0;
+ *last = 0;
goto out;
}
+ ret_kc = *last = down;
+ ret_down = 1;
+ goto out;
}
out:
return 0;
}
-/* FIXME: move to plat */
-#if 0
-static const struct {
- short code;
- char btype;
- char bit;
-} in_evdev_def_binds[] =
-{
- /* MXYZ SACB RLDU */
- { KEY_UP, IN_BINDTYPE_PLAYER12, 0 },
- { KEY_DOWN, IN_BINDTYPE_PLAYER12, 1 },
- { KEY_LEFT, IN_BINDTYPE_PLAYER12, 2 },
- { KEY_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
- { KEY_S, IN_BINDTYPE_PLAYER12, 4 }, /* B */
- { KEY_D, IN_BINDTYPE_PLAYER12, 5 }, /* C */
- { KEY_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
- { KEY_ENTER, IN_BINDTYPE_PLAYER12, 7 },
- { KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
- /* Pandora */
- { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, 4 },
- { KEY_END, IN_BINDTYPE_PLAYER12, 5 },
- { KEY_HOME, IN_BINDTYPE_PLAYER12, 6 },
- { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, 7 },
- { KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
- { KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
- { KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU },
- /* Caanoo */
- { BTN_THUMB, IN_BINDTYPE_PLAYER12, 4 }, /* B */
- { BTN_THUMB2, IN_BINDTYPE_PLAYER12, 5 }, /* C */
- { BTN_TRIGGER, IN_BINDTYPE_PLAYER12, 6 }, /* A */
- { BTN_BASE3, IN_BINDTYPE_PLAYER12, 7 },
- { BTN_TOP2, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
- { BTN_PINKIE, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
- { BTN_BASE, IN_BINDTYPE_EMU, PEVB_MENU },
-};
-#endif
-
static void in_evdev_get_def_binds(int *binds)
{
int i;
- for (i = 0; in_evdev_defbinds[i].bit != 0; i++) {
+ for (i = 0; ; i++) {
+ if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0)
+ break;
binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] =
1 << in_evdev_defbinds[i].bit;
}
in_evdev_t *dev = drv_data;
int i, t, ret, offs, count = 0;
+ memset(keybits, 0, sizeof(keybits));
ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
if (ret == -1) {
perror("in_evdev: ioctl failed");
- memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
+ // memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
}
if (dev->abs_lzone != 0) {
drv->prefix = in_evdev_prefix;
drv->probe = in_evdev_probe;
drv->free = in_evdev_free;
- drv->get_bind_count = in_evdev_get_bind_count;
+ drv->get_key_names = in_evdev_get_key_names;
drv->get_def_binds = in_evdev_get_def_binds;
drv->clean_binds = in_evdev_clean_binds;
drv->set_config = in_evdev_set_config;