2 * Copyright © 2012 Intel Corporation
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation for any purpose is hereby granted without fee, provided
6 * that the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of the copyright holders not be used in
9 * advertising or publicity pertaining to distribution of the software
10 * without specific, written prior permission. The copyright holders make
11 * no representations about the suitability of this software for any
12 * purpose. It is provided "as is" without express or implied warranty.
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
15 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
17 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
18 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
19 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 #ifndef EVDEV_PRIVATE_H
24 #define EVDEV_PRIVATE_H
26 #include <linux/input.h>
27 #include <wayland-util.h>
30 struct weston_seat base;
31 struct wl_list devices_list;
32 struct udev_monitor *udev_monitor;
33 struct wl_event_source *udev_monitor_source;
39 enum evdev_event_type {
40 EVDEV_ABSOLUTE_MOTION = (1 << 0),
41 EVDEV_ABSOLUTE_MT_DOWN = (1 << 1),
42 EVDEV_ABSOLUTE_MT_MOTION = (1 << 2),
43 EVDEV_ABSOLUTE_MT_UP = (1 << 3),
44 EVDEV_RELATIVE_MOTION = (1 << 4),
47 enum evdev_device_capability {
48 EVDEV_KEYBOARD = (1 << 0),
49 EVDEV_BUTTON = (1 << 1),
50 EVDEV_MOTION_ABS = (1 << 2),
51 EVDEV_MOTION_REL = (1 << 3),
52 EVDEV_TOUCH = (1 << 4),
55 struct evdev_input_device {
56 struct evdev_seat *master;
58 struct wl_event_source *source;
59 struct weston_output *output;
60 struct evdev_dispatch *dispatch;
64 int min_x, max_x, min_y, max_y;
79 enum evdev_event_type pending_events;
80 enum evdev_device_capability caps;
85 /* copied from udev/extras/input_id/input_id.c */
86 /* we must use this kernel-compatible implementation */
87 #define BITS_PER_LONG (sizeof(unsigned long) * 8)
88 #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
89 #define OFF(x) ((x)%BITS_PER_LONG)
90 #define BIT(x) (1UL<<OFF(x))
91 #define LONG(x) ((x)/BITS_PER_LONG)
92 #define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
95 struct evdev_dispatch;
97 struct evdev_dispatch_interface {
98 /* Process an evdev input event. */
99 void (*process)(struct evdev_dispatch *dispatch,
100 struct evdev_input_device *device,
101 struct input_event *event,
104 /* Destroy an event dispatch handler and free all its resources. */
105 void (*destroy)(struct evdev_dispatch *dispatch);
108 struct evdev_dispatch {
109 struct evdev_dispatch_interface *interface;
112 struct evdev_dispatch *
113 evdev_touchpad_create(struct evdev_input_device *device);
115 #endif /* EVDEV_PRIVATE_H */