2 * User level driver support for input subsystem
4 * Heavily based on evdev.c by Vojtech Pavlik
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
23 * 0.3 24/05/2006 (Anssi Hannula <anssi.hannulagmail.com>)
24 * - update ff support for the changes in kernel interface
25 * - add UINPUT_VERSION
26 * 0.2 16/10/2004 (Micah Dowty <micah@navi.cx>)
27 * - added force feedback support
30 * - first public version
35 #include <uapi/linux/uinput.h>
37 #define UINPUT_NAME "uinput"
38 #define UINPUT_BUFFER_SIZE 16
39 #define UINPUT_NUM_REQUESTS 16
41 enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };
43 struct uinput_request {
45 unsigned int code; /* UI_FF_UPLOAD, UI_FF_ERASE */
48 struct completion done;
51 unsigned int effect_id;
53 struct ff_effect *effect;
54 struct ff_effect *old;
59 struct uinput_device {
60 struct input_dev *dev;
62 enum uinput_state state;
63 wait_queue_head_t waitq;
67 struct input_event buff[UINPUT_BUFFER_SIZE];
68 unsigned int ff_effects_max;
70 struct uinput_request *requests[UINPUT_NUM_REQUESTS];
71 wait_queue_head_t requests_waitq;
72 spinlock_t requests_lock;
74 #endif /* __UINPUT_H_ */