diff --git a/griffin/griffin.c b/griffin/griffin.c
index e6615ffef4..ef4da23028 100644
--- a/griffin/griffin.c
+++ b/griffin/griffin.c
@@ -453,6 +453,7 @@ INPUT (HID)
#include "../input/connect/connect_snesusb.c"
#include "../input/connect/connect_nesusb.c"
#include "../input/connect/connect_wiiugca.c"
+#include "../input/connect/connect_ps2adapter.c"
#endif
/*============================================================
diff --git a/input/connect/connect_ps2adapter.c b/input/connect/connect_ps2adapter.c
new file mode 100644
index 0000000000..447979ba91
--- /dev/null
+++ b/input/connect/connect_ps2adapter.c
@@ -0,0 +1,169 @@
+/* RetroArch - A frontend for libretro.
+ * Copyright (C) 2013-2014 - Jason Fetters
+ * Copyright (C) 2011-2016 - Daniel De Matteis
+ *
+ * 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
+#include
+#include
+
+#include
+#include "joypad_connection.h"
+#include "../../driver.h"
+
+struct hidpad_ps2adapter_data
+{
+ struct pad_connection* connection;
+ uint8_t data[64];
+ uint32_t slot;
+ uint64_t buttons;
+};
+
+static void* hidpad_ps2adapter_init(void *data, uint32_t slot, send_control_t ptr)
+{
+ struct pad_connection* connection = (struct pad_connection*)data;
+ struct hidpad_ps2adapter_data* device = (struct hidpad_ps2adapter_data*)
+ calloc(1, sizeof(struct hidpad_ps2adapter_data));
+
+ if (!device)
+ return NULL;
+
+ if (!connection)
+ {
+ free(device);
+ return NULL;
+ }
+
+ device->connection = connection;
+ device->slot = slot;
+
+ return device;
+}
+
+static void hidpad_ps2adapter_deinit(void *data)
+{
+ struct hidpad_ps2adapter_data *device = (struct hidpad_ps2adapter_data*)data;
+
+ if (device)
+ free(device);
+}
+
+static uint64_t hidpad_ps2adapter_get_buttons(void *data)
+{
+ struct hidpad_ps2adapter_data *device = (struct hidpad_ps2adapter_data*)data;
+ if (!device)
+ return 0;
+ return device->buttons;
+}
+
+static int16_t hidpad_ps2adapter_get_axis(void *data, unsigned axis)
+{
+ int val;
+ struct hidpad_ps2adapter_data *device = (struct hidpad_ps2adapter_data*)data;
+
+ if (!device || axis >= 2)
+ return 0;
+
+ switch (axis) {
+ case 0: val = device->data[4];break;
+ case 1: val = device->data[5];break;
+ case 2: val = device->data[3];break;
+ case 3: val = device->data[2];break;
+ }
+
+ val = (val << 8) - 0x8000;
+
+ return (abs(val) > 0x1000) ? val : 0;
+}
+
+#define PS2_H_GET(a) (a & 0x0F) /*HAT MASK = 0x0F */
+#define PS2_H_LEFT(a) (a == 0x05) || (a == 0x06) || (a == 0x07)
+#define PS2_H_RIGHT(a) (a == 0x01) || (a == 0x02) || (a == 0x03)
+#define PS2_H_UP(a) (a == 0x07) || (a == 0x00) || (a == 0x01)
+#define PS2_H_DOWN(a) (a == 0x03) || (a == 0x04) || (a == 0x05)
+
+static void hidpad_ps2adapter_packet_handler(void *data, uint8_t *packet, uint16_t size)
+{
+ uint32_t i, pressed_keys;
+ int16_t hat_value;
+ static const uint32_t button_mapping[17] =
+ {
+ RETRO_DEVICE_ID_JOYPAD_L2,
+ RETRO_DEVICE_ID_JOYPAD_R2,
+ RETRO_DEVICE_ID_JOYPAD_L,
+ RETRO_DEVICE_ID_JOYPAD_R,
+ RETRO_DEVICE_ID_JOYPAD_SELECT,
+ RETRO_DEVICE_ID_JOYPAD_START,
+ RETRO_DEVICE_ID_JOYPAD_L3,
+ RETRO_DEVICE_ID_JOYPAD_R3,
+ NO_BTN,
+ NO_BTN,
+ NO_BTN,
+ NO_BTN,
+ RETRO_DEVICE_ID_JOYPAD_X,
+ RETRO_DEVICE_ID_JOYPAD_A,
+ RETRO_DEVICE_ID_JOYPAD_B,
+ RETRO_DEVICE_ID_JOYPAD_Y,
+ };
+ struct hidpad_ps2adapter_data *device = (struct hidpad_ps2adapter_data*)data;
+
+ if (!device)
+ return;
+
+ /* Check if the data corresponds to the first controller, exit otherwise */
+ if (packet[1] != 1)
+ return;
+
+ memcpy(device->data, packet, size);
+
+ device->buttons = 0;
+
+ pressed_keys = device->data[7] | (device->data[6] << 8);
+
+ for (i = 0; i < 16; i ++)
+ if (button_mapping[i] != NO_BTN)
+ device->buttons |= (pressed_keys & (1 << i)) ? (UINT64_C(1) << button_mapping[i]) : 0;
+
+ /* Now process the hat values as if they were pad buttons */
+ hat_value = PS2_H_GET(device->data[6]);
+ device->buttons |= PS2_H_LEFT(hat_value) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
+ device->buttons |= PS2_H_RIGHT(hat_value) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
+ device->buttons |= PS2_H_UP(hat_value) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
+ device->buttons |= PS2_H_DOWN(hat_value) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
+}
+
+static void hidpad_ps2adapter_set_rumble(void *data,
+ enum retro_rumble_effect effect, uint16_t strength)
+{
+ (void)data;
+ (void)effect;
+ (void)strength;
+}
+
+const char * hidpad_ps2adapter_get_name(void *data)
+{
+ (void)data;
+ /* For now we return a single static name */
+ return "PS2/PSX Controller Adapter";
+}
+
+pad_connection_interface_t pad_connection_ps2adapter = {
+ hidpad_ps2adapter_init,
+ hidpad_ps2adapter_deinit,
+ hidpad_ps2adapter_packet_handler,
+ hidpad_ps2adapter_set_rumble,
+ hidpad_ps2adapter_get_buttons,
+ hidpad_ps2adapter_get_axis,
+ hidpad_ps2adapter_get_name,
+};
diff --git a/input/connect/joypad_connection.c b/input/connect/joypad_connection.c
index 4f764751ee..70b165f8db 100644
--- a/input/connect/joypad_connection.c
+++ b/input/connect/joypad_connection.c
@@ -85,6 +85,7 @@ int32_t pad_connection_pad_init(joypad_connection_t *joyconn,
{ "Generic SNES USB Controller", 2079, 58369, &pad_connection_snesusb },
{ "Generic NES USB Controller", 121, 17, &pad_connection_nesusb },
{ "Wii U GC Controller Adapter", 1406, 823, &pad_connection_wiiugca },
+ { "PS2/PSX Controller Adapter", 2064, 1, &pad_connection_ps2adapter },
{ 0, 0}
};
joypad_connection_t *s = NULL;
diff --git a/input/connect/joypad_connection.h b/input/connect/joypad_connection.h
index e56e7476d8..1e0e270505 100644
--- a/input/connect/joypad_connection.h
+++ b/input/connect/joypad_connection.h
@@ -52,6 +52,7 @@ extern pad_connection_interface_t pad_connection_ps4;
extern pad_connection_interface_t pad_connection_snesusb;
extern pad_connection_interface_t pad_connection_nesusb;
extern pad_connection_interface_t pad_connection_wiiugca;
+extern pad_connection_interface_t pad_connection_ps2adapter;
int32_t pad_connection_pad_init(joypad_connection_t *joyconn,
const char* name, uint16_t vid, uint16_t pid,