#include "../common/input.h"
#include "in_evdev.h"
+#define MAX_ABS_DEVS 8
+
typedef struct {
int fd;
int *kbits;
- int abs_min_x;
+ int abs_min_x; /* abs->digital mapping */
int abs_max_x;
int abs_min_y;
int abs_max_y;
int abs_lasty;
int kc_first;
int kc_last;
+ unsigned int abs_count;
+ int abs_mult[MAX_ABS_DEVS]; /* 16.16 multiplier to IN_ABS_RANGE */
+ int abs_adj[MAX_ABS_DEVS]; /* adjust for centering */
+ unsigned int abs_to_digital:1;
} in_evdev_t;
#ifndef KEY_CNT
int in_evdev_allow_abs_only;
-static const char * const in_evdev_prefix = "evdev:";
+#define IN_EVDEV_PREFIX "evdev:"
+
static const char * const in_evdev_keys[KEY_CNT] = {
[0 ... KEY_MAX] = NULL,
[KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc",
for (i = 0;; i++)
{
int support = 0, count = 0;
- int u, ret, fd, kc_first = KEY_MAX, kc_last = 0;
+ int u, ret, fd, kc_first = KEY_MAX, kc_last = 0, have_abs = 0;
in_evdev_t *dev;
char name[64];
}
}
- if (count == 0 && !in_evdev_allow_abs_only)
- goto skip;
-
dev = calloc(1, sizeof(*dev));
if (dev == NULL)
goto skip;
dev->abs_min_y = ainfo.minimum;
dev->abs_max_y = ainfo.maximum;
}
+ for (u = 0; u < MAX_ABS_DEVS; u++) {
+ ret = ioctl(fd, EVIOCGABS(u), &ainfo);
+ if (ret == -1)
+ break;
+ dist = ainfo.maximum - ainfo.minimum;
+ if (dist != 0)
+ dev->abs_mult[u] = IN_ABS_RANGE * 2 * 65536 / dist;
+ dev->abs_adj[u] = -(ainfo.maximum + ainfo.minimum + 1) / 2;
+ have_abs = 1;
+ }
+ dev->abs_count = u;
}
no_abs:
- if (count == 0 && dev->abs_lzone == 0) {
+ if (count == 0 && !have_abs) {
free(dev);
goto skip;
}
dev->fd = fd;
dev->kc_first = kc_first;
dev->kc_last = kc_last;
- strcpy(name, in_evdev_prefix);
+ if (count > 0 || in_evdev_allow_abs_only)
+ dev->abs_to_digital = 1;
+ strcpy(name, IN_EVDEV_PREFIX);
ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
name+6, count, support);
- in_register(name, IN_DRVID_EVDEV, fd, dev, KEY_CNT, in_evdev_keys, 0);
+ in_register(name, fd, dev, KEY_CNT, in_evdev_keys, 0);
continue;
skip:
/* ORs result with binds of pressed buttons
* XXX: should measure performance hit of this func, might need to optimize */
-int in_evdev_update(void *drv_data, const int *binds, int *result)
+static int in_evdev_update(void *drv_data, const int *binds, int *result)
{
struct input_event ev[16];
struct input_absinfo ainfo;
/* map X and Y absolute to UDLR */
lzone = dev->abs_lzone;
- if (lzone != 0) {
+ if (dev->abs_to_digital && lzone != 0) {
ret = ioctl(dev->fd, EVIOCGABS(ABS_X), &ainfo);
if (ret != -1) {
if (ainfo.value < dev->abs_min_x + lzone) or_binds(binds, KEY_LEFT, result);
if (ainfo.value > dev->abs_max_x - lzone) or_binds(binds, KEY_RIGHT, result);
}
- }
- if (lzone != 0) {
ret = ioctl(dev->fd, EVIOCGABS(ABS_Y), &ainfo);
if (ret != -1) {
if (ainfo.value < dev->abs_min_y + lzone) or_binds(binds, KEY_UP, result);
return 0;
}
+static int in_evdev_update_analog(void *drv_data, int axis_id, int *result)
+{
+ struct input_absinfo ainfo;
+ in_evdev_t *dev = drv_data;
+ int ret;
+
+ if ((unsigned int)axis_id >= MAX_ABS_DEVS)
+ return -1;
+
+ ret = ioctl(dev->fd, EVIOCGABS(axis_id), &ainfo);
+ if (ret != 0)
+ return ret;
+
+ *result = (ainfo.value + dev->abs_adj[axis_id]) * dev->abs_mult[axis_id];
+ *result >>= 16;
+ return 0;
+}
+
static int in_evdev_set_blocking(in_evdev_t *dev, int y)
{
long flags;
return 0;
}
+static int in_evdev_get_config(void *drv_data, int what, int *val)
+{
+ in_evdev_t *dev = drv_data;
+
+ switch (what) {
+ case IN_CFG_ABS_AXIS_COUNT:
+ *val = dev->abs_count;
+ break;
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
static int in_evdev_set_config(void *drv_data, int what, int val)
{
in_evdev_t *dev = drv_data;
ret_down = ev.value;
goto out;
}
- else if (ev.type == EV_ABS)
+ else if (ev.type == EV_ABS && dev->abs_to_digital)
{
int lzone = dev->abs_lzone, down = 0, *last;
return 0;
}
-static void in_evdev_get_def_binds(int *binds)
-{
- int 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;
- }
-}
-
/* remove binds of missing keys, count remaining ones */
static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds)
{
// memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
}
- if (dev->abs_lzone != 0) {
+ if (dev->abs_to_digital && dev->abs_lzone != 0) {
KEYBITS_BIT_SET(KEY_LEFT);
KEYBITS_BIT_SET(KEY_RIGHT);
- }
- if (dev->abs_lzone != 0) {
KEYBITS_BIT_SET(KEY_UP);
KEYBITS_BIT_SET(KEY_DOWN);
}
return count;
}
-void in_evdev_init(void *vdrv)
+static const in_drv_t in_evdev_drv = {
+ .prefix = IN_EVDEV_PREFIX,
+ .probe = in_evdev_probe,
+ .free = in_evdev_free,
+ .get_key_names = in_evdev_get_key_names,
+ .clean_binds = in_evdev_clean_binds,
+ .get_config = in_evdev_get_config,
+ .set_config = in_evdev_set_config,
+ .update = in_evdev_update,
+ .update_analog = in_evdev_update_analog,
+ .update_keycode = in_evdev_update_keycode,
+ .menu_translate = in_evdev_menu_translate,
+};
+
+void in_evdev_init(const struct in_default_bind *defbinds)
{
- in_drv_t *drv = vdrv;
-
- drv->prefix = in_evdev_prefix;
- drv->probe = in_evdev_probe;
- drv->free = in_evdev_free;
- 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;
- drv->update_keycode = in_evdev_update_keycode;
- drv->menu_translate = in_evdev_menu_translate;
+ in_register_driver(&in_evdev_drv, defbinds);
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff