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
24 * - add UI_GET_SYSNAME ioctl
25 * 0.3 24/05/2006 (Anssi Hannula <anssi.hannulagmail.com>)
26 * - update ff support for the changes in kernel interface
27 * - add UINPUT_VERSION
29 * - added force feedback support
32 * - first public version
37 #include <uapi/linux/uinput.h>
39 #define UINPUT_NAME "uinput"
40 #define UINPUT_BUFFER_SIZE 16
41 #define UINPUT_NUM_REQUESTS 16
43 enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };
45 struct uinput_request {
47 unsigned int code; /* UI_FF_UPLOAD, UI_FF_ERASE */
50 struct completion done;
53 unsigned int effect_id;
55 struct ff_effect *effect;
56 struct ff_effect *old;
61 struct uinput_device {
62 struct input_dev *dev;
64 enum uinput_state state;
65 wait_queue_head_t waitq;
69 struct input_event buff[UINPUT_BUFFER_SIZE];
70 unsigned int ff_effects_max;
72 struct uinput_request *requests[UINPUT_NUM_REQUESTS];
73 wait_queue_head_t requests_waitq;
74 spinlock_t requests_lock;
76 #endif /* __UINPUT_H_ */