diff --git a/input/input_common.c b/input/input_common.c
index 92090205d0..48be176d96 100644
--- a/input/input_common.c
+++ b/input/input_common.c
@@ -37,8 +37,13 @@ static const rarch_joypad_driver_t *joypad_drivers[] = {
const rarch_joypad_driver_t *input_joypad_find_driver(const char *ident)
{
for (unsigned i = 0; i < sizeof(joypad_drivers) / sizeof(joypad_drivers[0]); i++)
+ {
if (strcmp(ident, joypad_drivers[i]->ident) == 0)
+ {
+ RARCH_LOG("Found joypad driver: %s\n", joypad_drivers[i]->ident);
return joypad_drivers[i];
+ }
+ }
return NULL;
}
@@ -46,8 +51,13 @@ const rarch_joypad_driver_t *input_joypad_find_driver(const char *ident)
const rarch_joypad_driver_t *input_joypad_init_first(void)
{
for (unsigned i = 0; i < sizeof(joypad_drivers) / sizeof(joypad_drivers[0]); i++)
+ {
if (joypad_drivers[i]->init())
+ {
+ RARCH_LOG("Found joypad driver: %s\n", joypad_drivers[i]->ident);
return joypad_drivers[i];
+ }
+ }
return NULL;
}
diff --git a/input/linuxraw_joypad.c b/input/linuxraw_joypad.c
new file mode 100644
index 0000000000..43624b3b18
--- /dev/null
+++ b/input/linuxraw_joypad.c
@@ -0,0 +1,140 @@
+/* RetroArch - A frontend for libretro.
+ * Copyright (C) 2010-2012 - Hans-Kristian Arntzen
+ *
+ * RetroArch is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Found-
+ * ation, either version 3 of the License, or (at your option) any later version.
+ *
+ * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with RetroArch.
+ * If not, see .
+ */
+
+#include "input_common.h"
+#include "../general.h"
+#include
+#include
+#include
+#include
+
+#define NUM_BUTTONS 32
+#define NUM_AXES 32
+
+struct linuxraw_joypad
+{
+ int fd;
+ bool buttons[NUM_BUTTONS];
+ int16_t axes[NUM_AXES];
+};
+
+static struct linuxraw_joypad g_pads[MAX_PLAYERS];
+
+static bool linuxraw_joypad_init(void)
+{
+ bool has_pad = false;
+
+ for (unsigned i = 0; i < MAX_PLAYERS; i++)
+ {
+ struct linuxraw_joypad *pad = &g_pads[i];
+
+ char path[PATH_MAX];
+ snprintf(path, sizeof(path), "/dev/input/js%u", i);
+ pad->fd = open(path, O_RDONLY | O_NONBLOCK);
+
+ has_pad |= pad->fd >= 0;
+ }
+
+ return has_pad;
+}
+
+static void linuxraw_joypad_destroy(void)
+{
+ for (unsigned i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (g_pads[i].fd >= 0)
+ close(g_pads[i].fd);
+ }
+
+ memset(g_pads, 0, sizeof(g_pads));
+ for (unsigned i = 0; i < MAX_PLAYERS; i++)
+ g_pads[i].fd = -1;
+}
+
+static bool linuxraw_joypad_button(unsigned port, uint16_t joykey)
+{
+ const struct linuxraw_joypad *pad = &g_pads[port];
+
+ return joykey < NUM_BUTTONS && pad->buttons[joykey];
+}
+
+static int16_t linuxraw_joypad_axis(unsigned port, uint32_t joyaxis)
+{
+ if (joyaxis == AXIS_NONE)
+ return 0;
+
+ const struct linuxraw_joypad *pad = &g_pads[port];
+
+ int16_t val = 0;
+ if (AXIS_NEG_GET(joyaxis) < NUM_AXES)
+ {
+ val = pad->axes[AXIS_NEG_GET(joyaxis)];
+ if (val > 0)
+ val = 0;
+ // Kernel returns values in range [-0x7fff, 0x7fff].
+ }
+ else if (AXIS_POS_GET(joyaxis) < NUM_AXES)
+ {
+ val = pad->axes[AXIS_POS_GET(joyaxis)];
+ if (val < 0)
+ val = 0;
+ }
+
+ return val;
+}
+
+static void poll_pad(struct linuxraw_joypad *pad)
+{
+ struct js_event event;
+ while (read(pad->fd, &event, sizeof(event)) == (ssize_t)sizeof(event))
+ {
+ unsigned type = event.type & ~JS_EVENT_INIT;
+
+ switch (type)
+ {
+ case JS_EVENT_BUTTON:
+ if (event.number < NUM_BUTTONS)
+ pad->buttons[event.number] = event.value;
+ break;
+
+ case JS_EVENT_AXIS:
+ if (event.number < NUM_AXES)
+ pad->axes[event.number] = event.value;
+ break;
+ }
+ }
+}
+
+static void linuxraw_joypad_poll(void)
+{
+ for (unsigned i = 0; i < MAX_PLAYERS; i++)
+ {
+ struct linuxraw_joypad *pad = &g_pads[i];
+ if (pad->fd < 0)
+ continue;
+
+ poll_pad(pad);
+ }
+}
+
+const rarch_joypad_driver_t linuxraw_joypad = {
+ linuxraw_joypad_init,
+ linuxraw_joypad_destroy,
+ linuxraw_joypad_button,
+ linuxraw_joypad_axis,
+ linuxraw_joypad_poll,
+ "linuxraw",
+};
+
diff --git a/input/sdl_input.c b/input/sdl_input.c
index b941be7003..992d7ec335 100644
--- a/input/sdl_input.c
+++ b/input/sdl_input.c
@@ -141,11 +141,6 @@ static void *sdl_input_init(void)
return NULL;
sdl->joypad = input_joypad_init_first();
- if (sdl->joypad)
- RARCH_LOG("SDL: Found joypad driver: %s\n", sdl->joypad->ident);
- else
- RARCH_WARN("SDL: Didn't find suitable input driver.\n");
-
return sdl;
}
@@ -300,6 +295,7 @@ static void sdl_input_poll(void *data)
SDL_PumpEvents();
sdl_input_t *sdl = (sdl_input_t*)data;
+ input_joypad_poll(sdl->joypad);
sdl_poll_mouse(sdl);
}