diff --git a/include/types.h b/include/types.h
deleted file mode 100644
index f53cac02..00000000
--- a/include/types.h
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef _WLR_WAYLAND_INTERNAL_H
-#define _WLR_WAYLAND_INTERNAL_H
-
-#include <wayland-server.h>
-#include <wlr/types.h>
-#include <stdbool.h>
-
-struct wlr_output_impl {
-	void (*enable)(struct wlr_output_state *state, bool enable);
-	bool (*set_mode)(struct wlr_output_state *state,
-			struct wlr_output_mode *mode);
-	void (*transform)(struct wlr_output_state *state,
-			enum wl_output_transform transform);
-	bool (*set_cursor)(struct wlr_output_state *state,
-		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
-	bool (*move_cursor)(struct wlr_output_state *state, int x, int y);
-	void (*destroy)(struct wlr_output_state *state);
-};
-
-struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
-		struct wlr_output_state *state);
-void wlr_output_free(struct wlr_output *output);
-void wlr_output_update_matrix(struct wlr_output *output);
-
-struct wlr_keyboard_impl {
-	void (*destroy)(struct wlr_keyboard_state *state);
-	void (*led_update)(struct wlr_keyboard_state *state, uint32_t leds);
-};
-
-struct wlr_keyboard *wlr_keyboard_create(struct wlr_keyboard_impl *impl,
-		struct wlr_keyboard_state *state);
-void wlr_keyboard_destroy(struct wlr_keyboard *keyboard);
-
-struct wlr_pointer_impl {
-	void (*destroy)(struct wlr_pointer_state *state);
-};
-
-struct wlr_pointer *wlr_pointer_create(struct wlr_pointer_impl *impl,
-		struct wlr_pointer_state *state);
-void wlr_pointer_destroy(struct wlr_pointer *pointer);
-
-struct wlr_touch_impl {
-	void (*destroy)(struct wlr_touch_state *state);
-};
-
-struct wlr_touch *wlr_touch_create(struct wlr_touch_impl *impl,
-		struct wlr_touch_state *state);
-void wlr_touch_destroy(struct wlr_touch *touch);
-
-struct wlr_tablet_tool_impl {
-	void (*destroy)(struct wlr_tablet_tool_state *tool);
-};
-
-struct wlr_tablet_tool *wlr_tablet_tool_create(struct wlr_tablet_tool_impl *impl,
-		struct wlr_tablet_tool_state *state);
-void wlr_tablet_tool_destroy(struct wlr_tablet_tool *tool);
-
-struct wlr_tablet_pad_impl {
-	void (*destroy)(struct wlr_tablet_pad_state *pad);
-};
-
-struct wlr_tablet_pad *wlr_tablet_pad_create(struct wlr_tablet_pad_impl *impl,
-		struct wlr_tablet_pad_state *state);
-void wlr_tablet_pad_destroy(struct wlr_tablet_pad *pad);
-
-struct wlr_input_device_impl {
-	void (*destroy)(struct wlr_input_device_state *state);
-};
-
-struct wlr_input_device *wlr_input_device_create(
-		enum wlr_input_device_type type,
-		struct wlr_input_device_impl *impl,
-		struct wlr_input_device_state *state,
-		const char *name, int vendor, int product);
-void wlr_input_device_destroy(struct wlr_input_device *dev);
-
-#endif
diff --git a/include/wlr/interfaces/wlr_input_device.h b/include/wlr/interfaces/wlr_input_device.h
new file mode 100644
index 00000000..26729c7c
--- /dev/null
+++ b/include/wlr/interfaces/wlr_input_device.h
@@ -0,0 +1,16 @@
+#ifndef _WLR_INTERFACES_INPUT_DEVICE_H
+#define _WLR_INTERFACES_INPUT_DEVICE_H
+#include <wlr/types/wlr_input_device.h>
+
+struct wlr_input_device_impl {
+	void (*destroy)(struct wlr_input_device_state *state);
+};
+
+struct wlr_input_device *wlr_input_device_create(
+		enum wlr_input_device_type type,
+		struct wlr_input_device_impl *impl,
+		struct wlr_input_device_state *state,
+		const char *name, int vendor, int product);
+void wlr_input_device_destroy(struct wlr_input_device *dev);
+
+#endif
diff --git a/include/wlr/interfaces/wlr_keyboard.h b/include/wlr/interfaces/wlr_keyboard.h
new file mode 100644
index 00000000..1acc6428
--- /dev/null
+++ b/include/wlr/interfaces/wlr_keyboard.h
@@ -0,0 +1,15 @@
+#ifndef _WLR_INTERFACE_KEYBOARD_H
+#define _WLR_INTERFACE_KEYBOARD_H
+#include <wlr/types/wlr_keyboard.h>
+#include <stdint.h>
+
+struct wlr_keyboard_impl {
+	void (*destroy)(struct wlr_keyboard_state *state);
+	void (*led_update)(struct wlr_keyboard_state *state, uint32_t leds);
+};
+
+struct wlr_keyboard *wlr_keyboard_create(struct wlr_keyboard_impl *impl,
+		struct wlr_keyboard_state *state);
+void wlr_keyboard_destroy(struct wlr_keyboard *keyboard);
+
+#endif
diff --git a/include/wlr/interfaces/wlr_output.h b/include/wlr/interfaces/wlr_output.h
new file mode 100644
index 00000000..24380be8
--- /dev/null
+++ b/include/wlr/interfaces/wlr_output.h
@@ -0,0 +1,22 @@
+#ifndef _WLR_INTERFACE_OUTPUT_H
+#define _WLR_INTERFACE_OUTPUT_H
+#include <wlr/interfaces/wlr_output.h>
+#include <stdbool.h>
+
+struct wlr_output_impl {
+	void (*enable)(struct wlr_output_state *state, bool enable);
+	bool (*set_mode)(struct wlr_output_state *state,
+			struct wlr_output_mode *mode);
+	void (*transform)(struct wlr_output_state *state,
+			enum wl_output_transform transform);
+	bool (*set_cursor)(struct wlr_output_state *state,
+		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
+	bool (*move_cursor)(struct wlr_output_state *state, int x, int y);
+	void (*destroy)(struct wlr_output_state *state);
+};
+
+struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
+		struct wlr_output_state *state);
+void wlr_output_free(struct wlr_output *output);
+
+#endif
diff --git a/include/wlr/interfaces/wlr_pointer.h b/include/wlr/interfaces/wlr_pointer.h
new file mode 100644
index 00000000..8c3f7e0d
--- /dev/null
+++ b/include/wlr/interfaces/wlr_pointer.h
@@ -0,0 +1,13 @@
+#ifndef _WLR_INTERFACES_POINTER_H
+#define _WLR_INTERFACES_POINTER_H
+#include <wlr/types/wlr_pointer.h>
+
+struct wlr_pointer_impl {
+	void (*destroy)(struct wlr_pointer_state *state);
+};
+
+struct wlr_pointer *wlr_pointer_create(struct wlr_pointer_impl *impl,
+		struct wlr_pointer_state *state);
+void wlr_pointer_destroy(struct wlr_pointer *pointer);
+
+#endif
diff --git a/include/wlr/interfaces/wlr_tablet_pad.h b/include/wlr/interfaces/wlr_tablet_pad.h
new file mode 100644
index 00000000..09274c6c
--- /dev/null
+++ b/include/wlr/interfaces/wlr_tablet_pad.h
@@ -0,0 +1,13 @@
+#ifndef _WLR_INTERFACES_TABLET_PAD_H
+#define _WLR_INTERFACES_TABLET_PAD_H
+#include <wlr/types/wlr_tablet_pad.h>
+
+struct wlr_tablet_pad_impl {
+	void (*destroy)(struct wlr_tablet_pad_state *pad);
+};
+
+struct wlr_tablet_pad *wlr_tablet_pad_create(struct wlr_tablet_pad_impl *impl,
+		struct wlr_tablet_pad_state *state);
+void wlr_tablet_pad_destroy(struct wlr_tablet_pad *pad);
+
+#endif
diff --git a/include/wlr/interfaces/wlr_tablet_tool.h b/include/wlr/interfaces/wlr_tablet_tool.h
new file mode 100644
index 00000000..cd326878
--- /dev/null
+++ b/include/wlr/interfaces/wlr_tablet_tool.h
@@ -0,0 +1,13 @@
+#ifndef _WLR_INTERFACES_TABLET_TOOL_H
+#define _WLR_INTERFACES_TABLET_TOOL_H
+#include <wlr/types/wlr_tablet_tool.h>
+
+struct wlr_tablet_tool_impl {
+	void (*destroy)(struct wlr_tablet_tool_state *tool);
+};
+
+struct wlr_tablet_tool *wlr_tablet_tool_create(struct wlr_tablet_tool_impl *impl,
+		struct wlr_tablet_tool_state *state);
+void wlr_tablet_tool_destroy(struct wlr_tablet_tool *tool);
+
+#endif
diff --git a/include/wlr/interfaces/wlr_touch.h b/include/wlr/interfaces/wlr_touch.h
new file mode 100644
index 00000000..d83ad558
--- /dev/null
+++ b/include/wlr/interfaces/wlr_touch.h
@@ -0,0 +1,13 @@
+#ifndef _WLR_INTERFACES_TOUCH_H
+#define _WLR_INTERFACES_TOUCH_H
+#include <wlr/types/wlr_touch.h>
+
+struct wlr_touch_impl {
+	void (*destroy)(struct wlr_touch_state *state);
+};
+
+struct wlr_touch *wlr_touch_create(struct wlr_touch_impl *impl,
+		struct wlr_touch_state *state);
+void wlr_touch_destroy(struct wlr_touch *touch);
+
+#endif
diff --git a/include/wlr/types.h b/include/wlr/types.h
deleted file mode 100644
index 6b6a3389..00000000
--- a/include/wlr/types.h
+++ /dev/null
@@ -1,350 +0,0 @@
-#ifndef _WLR_WAYLAND_H
-#define _WLR_WAYLAND_H
-
-#include <wayland-server.h>
-#include <wlr/common/list.h>
-#include <stdbool.h>
-
-struct wlr_output_mode_state;
-
-struct wlr_output_mode {
-	struct wlr_output_mode_state *state;
-	uint32_t flags; // enum wl_output_mode
-	int32_t width, height;
-	int32_t refresh; // mHz
-};
-
-struct wlr_output_impl;
-struct wlr_output_state;
-
-struct wlr_output {
-	const struct wlr_output_impl *impl;
-	struct wlr_output_state *state;
-
-	uint32_t flags;
-	char name[16];
-	char make[48];
-	char model[16];
-	uint32_t scale;
-	int32_t width, height;
-	int32_t phys_width, phys_height; // mm
-	int32_t subpixel; // enum wl_output_subpixel
-	int32_t transform; // enum wl_output_transform
-
-	float transform_matrix[16];
-
-	/* Note: some backends may have zero modes */
-	list_t *modes;
-	struct wlr_output_mode *current_mode;
-
-	struct {
-		struct wl_signal frame;
-		struct wl_signal resolution;
-	} events;
-};
-
-void wlr_output_enable(struct wlr_output *output, bool enable);
-bool wlr_output_set_mode(struct wlr_output *output,
-		struct wlr_output_mode *mode);
-void wlr_output_transform(struct wlr_output *output,
-		enum wl_output_transform transform);
-bool wlr_output_set_cursor(struct wlr_output *output,
-		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
-bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
-void wlr_output_destroy(struct wlr_output *output);
-void wlr_output_effective_resolution(struct wlr_output *output,
-		int *width, int *height);
-
-enum WLR_KEYBOARD_LED {
-	WLR_LED_NUM_LOCK = 1,
-	WLR_LED_CAPS_LOCK = 2,
-	WLR_LED_SCROLL_LOCK = 4,
-	WLR_LED_LAST
-};
-
-struct wlr_keyboard_state;
-struct wlr_keyboard_impl;
-
-struct wlr_keyboard {
-	struct wlr_keyboard_state *state;
-	struct wlr_keyboard_impl *impl;
-	uint32_t leds;
-
-	struct {
-		struct wl_signal key;
-	} events;
-};
-
-void wlr_keyboard_led_update(struct wlr_keyboard *keyboard, uint32_t leds);
-
-enum wlr_key_state {
-	WLR_KEY_RELEASED,
-	WLR_KEY_PRESSED,
-};
-
-struct wlr_keyboard_key {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	uint32_t keycode;
-	enum wlr_key_state state;
-};
-
-struct wlr_pointer_state;
-struct wlr_pointer_impl;
-
-struct wlr_pointer {
-	struct wlr_pointer_state *state;
-	struct wlr_pointer_impl *impl;
-
-	struct {
-		struct wl_signal motion;
-		struct wl_signal motion_absolute;
-		struct wl_signal button;
-		struct wl_signal axis;
-	} events;
-};
-
-struct wlr_pointer_motion {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	double delta_x, delta_y;
-};
-
-struct wlr_pointer_motion_absolute {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	double x_mm, y_mm;
-	double width_mm, height_mm;
-};
-
-enum wlr_button_state {
-	WLR_BUTTON_RELEASED,
-	WLR_BUTTON_PRESSED,
-};
-
-struct wlr_pointer_button {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	uint32_t button;
-	enum wlr_button_state state;
-};
-
-enum wlr_axis_source {
-	WLR_AXIS_SOURCE_WHEEL,
-	WLR_AXIS_SOURCE_FINGER,
-	WLR_AXIS_SOURCE_CONTINUOUS,
-	WLR_AXIS_SOURCE_WHEEL_TILT,
-};
-
-enum wlr_axis_orientation {
-	WLR_AXIS_ORIENTATION_VERTICAL,
-	WLR_AXIS_ORIENTATION_HORIZONTAL,
-};
-
-struct wlr_pointer_axis {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	enum wlr_axis_source source;
-	enum wlr_axis_orientation orientation;
-	double delta;
-};
-
-struct wlr_touch_state;
-struct wlr_touch_impl;
-
-struct wlr_touch {
-	struct wlr_touch_state *state;
-	struct wlr_touch_impl *impl;
-
-	struct {
-		struct wl_signal down;
-		struct wl_signal up;
-		struct wl_signal motion;
-		struct wl_signal cancel;
-	} events;
-};
-
-struct wlr_touch_down {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	int32_t slot;
-	double x_mm, y_mm;
-	double width_mm, height_mm;
-};
-
-struct wlr_touch_up {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	int32_t slot;
-};
-
-struct wlr_touch_motion {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	int32_t slot;
-	double x_mm, y_mm;
-	double width_mm, height_mm;
-};
-
-struct wlr_touch_cancel {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	int32_t slot;
-};
-
-struct wlr_tablet_tool_impl;
-struct wlr_tablet_tool_state;
-
-struct wlr_tablet_tool {
-	struct wlr_tablet_tool_impl *impl;
-	struct wlr_tablet_tool_state *state;
-
-	struct {
-		struct wl_signal axis;
-		struct wl_signal proximity;
-		struct wl_signal tip;
-		struct wl_signal button;
-	} events;
-};
-
-enum wlr_tablet_tool_axes {
-	WLR_TABLET_TOOL_AXIS_X = 1,
-	WLR_TABLET_TOOL_AXIS_Y = 2,
-	WLR_TABLET_TOOL_AXIS_DISTANCE = 4,
-	WLR_TABLET_TOOL_AXIS_PRESSURE = 8,
-	WLR_TABLET_TOOL_AXIS_TILT_X = 16,
-	WLR_TABLET_TOOL_AXIS_TILT_Y = 32,
-	WLR_TABLET_TOOL_AXIS_ROTATION = 64,
-	WLR_TABLET_TOOL_AXIS_SLIDER = 128,
-	WLR_TABLET_TOOL_AXIS_WHEEL = 256,
-};
-
-struct wlr_tablet_tool_axis {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	uint32_t updated_axes;
-	double x_mm, y_mm;
-	double width_mm, height_mm;
-	double pressure;
-	double distance;
-	double tilt_x, tilt_y;
-	double rotation;
-	double slider;
-	double wheel_delta;
-};
-
-enum wlr_tablet_tool_proximity_state {
-	WLR_TABLET_TOOL_PROXIMITY_OUT,
-	WLR_TABLET_TOOL_PROXIMITY_IN,
-};
-
-struct wlr_tablet_tool_proximity {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	double x, y;
-	double width_mm, height_mm;
-	enum wlr_tablet_tool_proximity_state state;
-};
-
-enum wlr_tablet_tool_tip_state {
-	WLR_TABLET_TOOL_TIP_UP,
-	WLR_TABLET_TOOL_TIP_DOWN,
-};
-
-struct wlr_tablet_tool_tip {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	double x, y;
-	double width_mm, height_mm;
-	enum wlr_tablet_tool_tip_state state;
-};
-
-struct wlr_tablet_tool_button {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	uint32_t button;
-	enum wlr_button_state state;
-};
-
-// NOTE: the wlr tablet pad implementation does not currently support tablets
-// with more than one mode. I don't own any such hardware so I cannot test it
-// and it is too complicated to make a meaningful implementation of blindly.
-struct wlr_tablet_pad_impl;
-struct wlr_tablet_pad_state;
-
-struct wlr_tablet_pad {
-	struct wlr_tablet_pad_impl *impl;
-	struct wlr_tablet_pad_state *state;
-
-	struct {
-		struct wl_signal button;
-		struct wl_signal ring;
-		struct wl_signal strip;
-	} events;
-};
-
-struct wlr_tablet_pad_button {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	uint32_t button;
-	enum wlr_button_state state;
-};
-
-enum wlr_tablet_pad_ring_source {
-	WLR_TABLET_PAD_RING_SOURCE_UNKNOWN,
-	WLR_TABLET_PAD_RING_SOURCE_FINGER,
-};
-
-struct wlr_tablet_pad_ring {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	enum wlr_tablet_pad_ring_source source;
-	uint32_t ring;
-	double position;
-};
-
-enum wlr_tablet_pad_strip_source {
-	WLR_TABLET_PAD_STRIP_SOURCE_UNKNOWN,
-	WLR_TABLET_PAD_STRIP_SOURCE_FINGER,
-};
-
-struct wlr_tablet_pad_strip {
-	uint32_t time_sec;
-	uint64_t time_usec;
-	enum wlr_tablet_pad_strip_source source;
-	uint32_t strip;
-	double position;
-};
-
-enum wlr_input_device_type {
-	WLR_INPUT_DEVICE_KEYBOARD,
-	WLR_INPUT_DEVICE_POINTER,
-	WLR_INPUT_DEVICE_TOUCH,
-	WLR_INPUT_DEVICE_TABLET_TOOL,
-	WLR_INPUT_DEVICE_TABLET_PAD,
-	WLR_INPUT_DEVICE_GESTURE,
-	WLR_INPUT_DEVICE_SWITCH,
-};
-
-struct wlr_input_device_state;
-struct wlr_input_device_impl;
-
-struct wlr_input_device {
-	struct wlr_input_device_state *state;
-	struct wlr_input_device_impl *impl;
-
-	enum wlr_input_device_type type;
-	int vendor, product;
-	char *name;
-
-	union {
-		void *_device;
-		struct wlr_keyboard *keyboard;
-		struct wlr_pointer *pointer;
-		struct wlr_touch *touch;
-		struct wlr_tablet_tool *tablet_tool;
-		struct wlr_tablet_pad *tablet_pad;
-	};
-};
-
-#endif
diff --git a/include/wlr/types/wlr_input_device.h b/include/wlr/types/wlr_input_device.h
new file mode 100644
index 00000000..57cbfaf9
--- /dev/null
+++ b/include/wlr/types/wlr_input_device.h
@@ -0,0 +1,46 @@
+#ifndef _WLR_TYPES_INPUT_H
+#define _WLR_TYPES_INPUT_H
+
+enum wlr_button_state {
+	WLR_BUTTON_RELEASED,
+	WLR_BUTTON_PRESSED,
+};
+
+enum wlr_input_device_type {
+	WLR_INPUT_DEVICE_KEYBOARD,
+	WLR_INPUT_DEVICE_POINTER,
+	WLR_INPUT_DEVICE_TOUCH,
+	WLR_INPUT_DEVICE_TABLET_TOOL,
+	WLR_INPUT_DEVICE_TABLET_PAD
+};
+
+/* Note: these are circular dependencies */
+#include <wlr/types/wlr_keyboard.h>
+#include <wlr/types/wlr_pointer.h>
+#include <wlr/types/wlr_touch.h>
+#include <wlr/types/wlr_tablet_tool.h>
+#include <wlr/types/wlr_tablet_pad.h>
+
+struct wlr_input_device_state;
+struct wlr_input_device_impl;
+
+struct wlr_input_device {
+	struct wlr_input_device_state *state;
+	struct wlr_input_device_impl *impl;
+
+	enum wlr_input_device_type type;
+	int vendor, product;
+	char *name;
+
+	/* wlr_input_device.type determines which of these is valid */
+	union {
+		void *_device;
+		struct wlr_keyboard *keyboard;
+		struct wlr_pointer *pointer;
+		struct wlr_touch *touch;
+		struct wlr_tablet_tool *tablet_tool;
+		struct wlr_tablet_pad *tablet_pad;
+	};
+};
+
+#endif
diff --git a/include/wlr/types/wlr_keyboard.h b/include/wlr/types/wlr_keyboard.h
new file mode 100644
index 00000000..e3efc895
--- /dev/null
+++ b/include/wlr/types/wlr_keyboard.h
@@ -0,0 +1,39 @@
+#ifndef _WLR_TYPES_KEYBOARD_H
+#define _WLR_TYPES_KEYBOARD_H
+#include <wayland-server.h>
+#include <stdint.h>
+
+enum WLR_KEYBOARD_LED {
+	WLR_LED_NUM_LOCK = 1,
+	WLR_LED_CAPS_LOCK = 2,
+	WLR_LED_SCROLL_LOCK = 4,
+	WLR_LED_LAST
+};
+
+struct wlr_keyboard_state;
+struct wlr_keyboard_impl;
+
+struct wlr_keyboard {
+	struct wlr_keyboard_state *state;
+	struct wlr_keyboard_impl *impl;
+
+	struct {
+		struct wl_signal key;
+	} events;
+};
+
+void wlr_keyboard_led_update(struct wlr_keyboard *keyboard, uint32_t leds);
+
+enum wlr_key_state {
+	WLR_KEY_RELEASED,
+	WLR_KEY_PRESSED,
+};
+
+struct wlr_keyboard_key {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	uint32_t keycode;
+	enum wlr_key_state state;
+};
+
+#endif
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
new file mode 100644
index 00000000..66216d3e
--- /dev/null
+++ b/include/wlr/types/wlr_output.h
@@ -0,0 +1,57 @@
+#ifndef _WLR_TYPES_OUTPUT_H
+#define _WLR_TYPES_OUTPUT_H
+#include <wayland-server.h>
+#include <wlr/common/list.h>
+#include <stdbool.h>
+
+struct wlr_output_mode_state;
+
+struct wlr_output_mode {
+	struct wlr_output_mode_state *state;
+	uint32_t flags; // enum wl_output_mode
+	int32_t width, height;
+	int32_t refresh; // mHz
+};
+
+struct wlr_output_impl;
+struct wlr_output_state;
+
+struct wlr_output {
+	const struct wlr_output_impl *impl;
+	struct wlr_output_state *state;
+
+	uint32_t flags;
+	char name[16];
+	char make[48];
+	char model[16];
+	uint32_t scale;
+	int32_t width, height;
+	int32_t phys_width, phys_height; // mm
+	int32_t subpixel; // enum wl_output_subpixel
+	int32_t transform; // enum wl_output_transform
+
+	float transform_matrix[16];
+
+	/* Note: some backends may have zero modes */
+	list_t *modes;
+	struct wlr_output_mode *current_mode;
+
+	struct {
+		struct wl_signal frame;
+		struct wl_signal resolution;
+	} events;
+};
+
+void wlr_output_enable(struct wlr_output *output, bool enable);
+bool wlr_output_set_mode(struct wlr_output *output,
+		struct wlr_output_mode *mode);
+void wlr_output_transform(struct wlr_output *output,
+		enum wl_output_transform transform);
+bool wlr_output_set_cursor(struct wlr_output *output,
+		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
+bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
+void wlr_output_destroy(struct wlr_output *output);
+void wlr_output_effective_resolution(struct wlr_output *output,
+		int *width, int *height);
+
+#endif
diff --git a/include/wlr/types/wlr_pointer.h b/include/wlr/types/wlr_pointer.h
new file mode 100644
index 00000000..7f5e2771
--- /dev/null
+++ b/include/wlr/types/wlr_pointer.h
@@ -0,0 +1,62 @@
+#ifndef _WLR_TYPES_POINTER_H
+#define _WLR_TYPES_POINTER_H
+#include <wlr/types/wlr_input_device.h>
+#include <wayland-server.h>
+#include <stdint.h>
+
+struct wlr_pointer_state;
+struct wlr_pointer_impl;
+
+struct wlr_pointer {
+	struct wlr_pointer_state *state;
+	struct wlr_pointer_impl *impl;
+
+	struct {
+		struct wl_signal motion;
+		struct wl_signal motion_absolute;
+		struct wl_signal button;
+		struct wl_signal axis;
+	} events;
+};
+
+struct wlr_pointer_motion {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	double delta_x, delta_y;
+};
+
+struct wlr_pointer_motion_absolute {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	double x_mm, y_mm;
+	double width_mm, height_mm;
+};
+
+struct wlr_pointer_button {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	uint32_t button;
+	enum wlr_button_state state;
+};
+
+enum wlr_axis_source {
+	WLR_AXIS_SOURCE_WHEEL,
+	WLR_AXIS_SOURCE_FINGER,
+	WLR_AXIS_SOURCE_CONTINUOUS,
+	WLR_AXIS_SOURCE_WHEEL_TILT,
+};
+
+enum wlr_axis_orientation {
+	WLR_AXIS_ORIENTATION_VERTICAL,
+	WLR_AXIS_ORIENTATION_HORIZONTAL,
+};
+
+struct wlr_pointer_axis {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	enum wlr_axis_source source;
+	enum wlr_axis_orientation orientation;
+	double delta;
+};
+
+#endif
diff --git a/include/wlr/types/wlr_tablet_pad.h b/include/wlr/types/wlr_tablet_pad.h
new file mode 100644
index 00000000..7fa7bfd1
--- /dev/null
+++ b/include/wlr/types/wlr_tablet_pad.h
@@ -0,0 +1,60 @@
+#ifndef _WLR_TYPES_TABLET_PAD_H
+#define _WLR_TYPES_TABLET_PAD_H
+#include <wlr/types/wlr_input_device.h>
+#include <wayland-server.h>
+#include <stdint.h>
+
+/*
+ * NOTE: the wlr tablet pad implementation does not currently support tablets
+ * with more than one mode. I don't own any such hardware so I cannot test it
+ * and it is too complicated to make a meaningful implementation of blindly.
+ */
+
+struct wlr_tablet_pad_impl;
+struct wlr_tablet_pad_state;
+
+struct wlr_tablet_pad {
+	struct wlr_tablet_pad_impl *impl;
+	struct wlr_tablet_pad_state *state;
+
+	struct {
+		struct wl_signal button;
+		struct wl_signal ring;
+		struct wl_signal strip;
+	} events;
+};
+
+struct wlr_tablet_pad_button {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	uint32_t button;
+	enum wlr_button_state state;
+};
+
+enum wlr_tablet_pad_ring_source {
+	WLR_TABLET_PAD_RING_SOURCE_UNKNOWN,
+	WLR_TABLET_PAD_RING_SOURCE_FINGER,
+};
+
+struct wlr_tablet_pad_ring {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	enum wlr_tablet_pad_ring_source source;
+	uint32_t ring;
+	double position;
+};
+
+enum wlr_tablet_pad_strip_source {
+	WLR_TABLET_PAD_STRIP_SOURCE_UNKNOWN,
+	WLR_TABLET_PAD_STRIP_SOURCE_FINGER,
+};
+
+struct wlr_tablet_pad_strip {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	enum wlr_tablet_pad_strip_source source;
+	uint32_t strip;
+	double position;
+};
+
+#endif
diff --git a/include/wlr/types/wlr_tablet_tool.h b/include/wlr/types/wlr_tablet_tool.h
new file mode 100644
index 00000000..2695914a
--- /dev/null
+++ b/include/wlr/types/wlr_tablet_tool.h
@@ -0,0 +1,81 @@
+#ifndef _WLR_TYPES_TABLET_TOOL_H
+#define _WLR_TYPES_TABLET_TOOL_H
+#include <wlr/types/wlr_input_device.h>
+#include <wayland-server.h>
+#include <stdint.h>
+
+struct wlr_tablet_tool_impl;
+struct wlr_tablet_tool_state;
+
+struct wlr_tablet_tool {
+	struct wlr_tablet_tool_impl *impl;
+	struct wlr_tablet_tool_state *state;
+
+	struct {
+		struct wl_signal axis;
+		struct wl_signal proximity;
+		struct wl_signal tip;
+		struct wl_signal button;
+	} events;
+};
+
+enum wlr_tablet_tool_axes {
+	WLR_TABLET_TOOL_AXIS_X = 1,
+	WLR_TABLET_TOOL_AXIS_Y = 2,
+	WLR_TABLET_TOOL_AXIS_DISTANCE = 4,
+	WLR_TABLET_TOOL_AXIS_PRESSURE = 8,
+	WLR_TABLET_TOOL_AXIS_TILT_X = 16,
+	WLR_TABLET_TOOL_AXIS_TILT_Y = 32,
+	WLR_TABLET_TOOL_AXIS_ROTATION = 64,
+	WLR_TABLET_TOOL_AXIS_SLIDER = 128,
+	WLR_TABLET_TOOL_AXIS_WHEEL = 256,
+};
+
+struct wlr_tablet_tool_axis {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	uint32_t updated_axes;
+	double x_mm, y_mm;
+	double width_mm, height_mm;
+	double pressure;
+	double distance;
+	double tilt_x, tilt_y;
+	double rotation;
+	double slider;
+	double wheel_delta;
+};
+
+enum wlr_tablet_tool_proximity_state {
+	WLR_TABLET_TOOL_PROXIMITY_OUT,
+	WLR_TABLET_TOOL_PROXIMITY_IN,
+};
+
+struct wlr_tablet_tool_proximity {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	double x, y;
+	double width_mm, height_mm;
+	enum wlr_tablet_tool_proximity_state state;
+};
+
+enum wlr_tablet_tool_tip_state {
+	WLR_TABLET_TOOL_TIP_UP,
+	WLR_TABLET_TOOL_TIP_DOWN,
+};
+
+struct wlr_tablet_tool_tip {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	double x, y;
+	double width_mm, height_mm;
+	enum wlr_tablet_tool_tip_state state;
+};
+
+struct wlr_tablet_tool_button {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	uint32_t button;
+	enum wlr_button_state state;
+};
+
+#endif
diff --git a/include/wlr/types/wlr_touch.h b/include/wlr/types/wlr_touch.h
new file mode 100644
index 00000000..79c51ea3
--- /dev/null
+++ b/include/wlr/types/wlr_touch.h
@@ -0,0 +1,49 @@
+#ifndef _WLR_TYPES_TOUCH_H
+#define _WLR_TYPES_TOUCH_H
+#include <wayland-server.h>
+#include <stdint.h>
+
+struct wlr_touch_state;
+struct wlr_touch_impl;
+
+struct wlr_touch {
+	struct wlr_touch_state *state;
+	struct wlr_touch_impl *impl;
+
+	struct {
+		struct wl_signal down;
+		struct wl_signal up;
+		struct wl_signal motion;
+		struct wl_signal cancel;
+	} events;
+};
+
+struct wlr_touch_down {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	int32_t slot;
+	double x_mm, y_mm;
+	double width_mm, height_mm;
+};
+
+struct wlr_touch_up {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	int32_t slot;
+};
+
+struct wlr_touch_motion {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	int32_t slot;
+	double x_mm, y_mm;
+	double width_mm, height_mm;
+};
+
+struct wlr_touch_cancel {
+	uint32_t time_sec;
+	uint64_t time_usec;
+	int32_t slot;
+};
+
+#endif