diff --git a/Makefile b/Makefile
index 69a20e48d6..6883c37850 100644
--- a/Makefile
+++ b/Makefile
@@ -121,6 +121,11 @@ $(OBJDIR)/tools/linuxraw_joypad.o: input/linuxraw_joypad.c
@$(if $(Q), $(shell echo echo CC $<),)
$(Q)$(CC) $(CFLAGS) $(DEFINES) -MMD -DIS_JOYCONFIG -c -o $@ $<
+$(OBJDIR)/tools/parport_joypad.o: input/parport_joypad.c
+ @mkdir -p $(dir $@)
+ @$(if $(Q), $(shell echo echo CC $<),)
+ $(Q)$(CC) $(CFLAGS) $(DEFINES) -MMD -DIS_JOYCONFIG -c -o $@ $<
+
$(OBJDIR)/tools/udev_joypad.o: input/udev_joypad.c
@mkdir -p $(dir $@)
@$(if $(Q), $(shell echo echo CC $<),)
diff --git a/Makefile.common b/Makefile.common
index 40f6e197ab..bbea4f8b3a 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -59,8 +59,8 @@ endif
ifneq ($(findstring Linux,$(OS)),)
LIBS += -lrt
JOYCONFIG_LIBS += -lrt
- OBJ += input/linuxraw_input.o input/linuxraw_joypad.o
- JOYCONFIG_OBJ += tools/linuxraw_joypad.o
+ OBJ += input/linuxraw_input.o input/linuxraw_joypad.o input/parport_joypad.o
+ JOYCONFIG_OBJ += tools/linuxraw_joypad.o tools/parport_joypad.o
endif
ifeq ($(findstring Haiku,$(OS)),)
diff --git a/input/input_common.c b/input/input_common.c
index ba099ba8fb..6ccb262395 100644
--- a/input/input_common.c
+++ b/input/input_common.c
@@ -75,6 +75,7 @@ rarch_joypad_driver_t *joypad_drivers[] = {
#endif
#if defined(__linux) && !defined(ANDROID)
&linuxraw_joypad,
+ &parport_joypad,
#endif
#ifdef ANDROID
&android_joypad,
diff --git a/input/input_common.h b/input/input_common.h
index d73819473b..25d0131515 100644
--- a/input/input_common.h
+++ b/input/input_common.h
@@ -127,6 +127,7 @@ const char *input_joypad_name(const rarch_joypad_driver_t *driver,
extern rarch_joypad_driver_t dinput_joypad;
extern rarch_joypad_driver_t linuxraw_joypad;
+extern rarch_joypad_driver_t parport_joypad;
extern rarch_joypad_driver_t udev_joypad;
extern rarch_joypad_driver_t winxinput_joypad;
extern rarch_joypad_driver_t sdl_joypad;
diff --git a/input/parport_joypad.c b/input/parport_joypad.c
new file mode 100644
index 0000000000..130fb62aa0
--- /dev/null
+++ b/input/parport_joypad.c
@@ -0,0 +1,244 @@
+/* RetroArch - A frontend for libretro.
+ * Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ * Copyright (C) 2014 - Mike Robinson
+ *
+ * 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
+#include
+#include
+#include
+#include
+#include
+
+/* Linux parport driver does not support reading the control register
+ Other platforms may support up to 17 buttons */
+#define NUM_BUTTONS 13
+
+struct parport_joypad
+{
+ int fd;
+ bool buttons[NUM_BUTTONS];
+
+ char *ident;
+};
+
+static struct parport_joypad g_pads[MAX_PLAYERS];
+
+static void poll_pad(struct parport_joypad *pad)
+{
+ /* RetroArch uses an extended version of the Linux
+ * Multisystem 2-button joystick protocol for parallel port
+ * joypads:
+ *
+ * | Function | Pin | Register | Bit | Active |
+ * |-------------|-----|----------|-----|--------|
+ * | Up | 2 | Data | 0 | Low |
+ * | Down | 3 | Data | 1 | Low |
+ * | Left | 4 | Data | 2 | Low |
+ * | Right | 5 | Data | 3 | Low |
+ * | A | 6 | Data | 4 | Low |
+ * | B | 7 | Data | 5 | Low |
+ * | Start | 8 | Data | 6 | Low |
+ * | Select | 9 | Data | 7 | Low |
+ * | Menu toggle | 10 | Status | 6 | Low |
+ * | X | 11 | Status | 7 | Low* |
+ * | Y | 12 | Status | 5 | Low |
+ * | L1 | 13 | Status | 4 | Low |
+ * | R1 | 15 | Status | 3 | Low |
+ *
+ * (*) Pin is hardware inverted, but RetroArch inverts it
+ * back again so the same pullup scheme may be used for
+ * all pins.
+ *
+ * RetroArch does not perform debouncing, and so long as
+ * the button settling time is less than the frame time
+ * no bouncing will be observed. This replicates the latching
+ * behavior common in old games consoles. For optimum latency
+ * and jitter a high performance debouncing routine should be
+ * implemented in the controller hardware.
+ */
+
+ int i;
+ char data;
+ char status;
+
+ ioctl(pad->fd, PPRDATA, &data);
+ ioctl(pad->fd, PPRSTATUS, &status);
+
+ for (i = 0; i < 8; i++)
+ {
+ pad->buttons[i] = !(data & UINT8_C(1 << i));
+ }
+ for (i = 3; i < 8; i++)
+ {
+ pad->buttons[i + 5] = !(status & UINT8_C(1 << i));
+ }
+ pad->buttons[12] = pad->buttons[12] ? false : true;
+}
+
+static bool parport_joypad_init_pad(const char *path, struct parport_joypad *pad)
+{
+ int datadir = 1; /* read */
+ char data;
+ bool irq_disable = false;
+ int mode = IEEE1284_MODE_BYTE;
+
+ if (pad->fd >= 0)
+ return false;
+
+ if (access(path, R_OK | W_OK) < 0)
+ return false;
+
+ pad->fd = open(path, O_RDWR);
+
+ *pad->ident = '\0';
+ if (pad->fd >= 0)
+ {
+ RARCH_LOG("[Joypad]: Found parallel port: %s\n", path);
+
+ /* Parport driver does not log failures with RARCH_ERR because they could be
+ * a normal result of connected non-joypad devices. */
+ if (ioctl(pad->fd, PPCLAIM) < 0)
+ {
+ RARCH_WARN("[Joypad]: Failed to claim %s\n", path);
+ goto error;
+ }
+ if (ioctl(pad->fd, PPSETMODE, &mode) < 0)
+ {
+ RARCH_WARN("[Joypad]: Failed to set byte mode on %s\n", path);
+ goto error;
+ }
+ if (ioctl(pad->fd, PPDATADIR, &datadir) < 0)
+ {
+ RARCH_WARN("[Joypad]: Failed to set data direction to input on %s\n", path);
+ goto error;
+ }
+ if (ioctl(pad->fd, PPRCONTROL, &data) == 0)
+ {
+ data &= 0xEF; /* Clear bit 4 to disable interrupts */
+ if (ioctl(pad->fd, PPWCONTROL, &data) == 0)
+ irq_disable = true;
+ }
+ /* Failure to disable interrupts only slightly increases CPU use, not an error */
+ if (!irq_disable)
+ RARCH_WARN("[Joypad]: Failed to disable interrupts on %s\n", path);
+
+ strlcpy(pad->ident, "Parallel port device", sizeof(g_settings.input.device_names[0]));
+ return true;
+error:
+ close(pad->fd);
+ pad->fd = 0;
+ return false;
+ }
+
+ RARCH_WARN("[Joypad]: Failed to open parallel port %s (error: %s).\n", path, strerror(errno));
+ return false;
+}
+
+static void parport_joypad_poll(void)
+{
+ int i;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (g_pads[i].fd >= 0)
+ {
+ poll_pad(&g_pads[i]);
+ }
+ }
+}
+
+static bool parport_joypad_init(void)
+{
+ unsigned i;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ struct parport_joypad *pad = &g_pads[i];
+ pad->fd = -1;
+ pad->ident = g_settings.input.device_names[i];
+
+ char path[PATH_MAX];
+ snprintf(path, sizeof(path), "/dev/parport%u", i);
+
+ if (parport_joypad_init_pad(path, pad))
+ {
+ input_config_autoconfigure_joypad(i, pad->ident, 0, 0, "parport");
+ poll_pad(pad);
+ }
+ else
+ input_config_autoconfigure_joypad(i, NULL, 0, 0, NULL);
+ }
+
+ return true;
+}
+
+static void parport_joypad_destroy(void)
+{
+ unsigned i;
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (g_pads[i].fd >= 0)
+ {
+ ioctl(g_pads[i].fd, PPRELEASE);
+ close(g_pads[i].fd);
+ }
+ }
+ memset(g_pads, 0, sizeof(g_pads));
+ for (i = 0; i < MAX_PLAYERS; i++)
+ g_pads[i].fd = -1;
+}
+
+static bool parport_joypad_button(unsigned port, uint16_t joykey)
+{
+ const struct parport_joypad *pad = &g_pads[port];
+
+ return joykey < NUM_BUTTONS && pad->buttons[joykey];
+}
+
+static int16_t parport_joypad_axis(unsigned port, uint32_t joyaxis)
+{
+ /* Parport does not support analog sticks */
+ return 0;
+}
+
+static bool parport_joypad_query_pad(unsigned pad)
+{
+ return pad < MAX_PLAYERS && g_pads[pad].fd >= 0;
+}
+
+static const char *parport_joypad_name(unsigned pad)
+{
+ if (pad >= MAX_PLAYERS)
+ return NULL;
+
+ return *g_pads[pad].ident ? g_pads[pad].ident : NULL;
+}
+
+rarch_joypad_driver_t parport_joypad = {
+ parport_joypad_init,
+ parport_joypad_query_pad,
+ parport_joypad_destroy,
+ parport_joypad_button,
+ parport_joypad_axis,
+ parport_joypad_poll,
+ NULL,
+ parport_joypad_name,
+ "parport",
+};