| /* |
| * User level driver support for input subsystem |
| * |
| * Heavily based on evdev.c by Vojtech Pavlik |
| * |
| * This program 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 Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org> |
| * |
| * Changes/Revisions: |
| * 0.5 08/13/2015 (David Herrmann <dh.herrmann@gmail.com> & |
| * Benjamin Tissoires <benjamin.tissoires@redhat.com>) |
| * - add UI_DEV_SETUP ioctl |
| * - add UI_ABS_SETUP ioctl |
| * - add UI_GET_VERSION ioctl |
| * 0.4 01/09/2014 (Benjamin Tissoires <benjamin.tissoires@redhat.com>) |
| * - add UI_GET_SYSNAME ioctl |
| * 0.3 24/05/2006 (Anssi Hannula <anssi.hannulagmail.com>) |
| * - update ff support for the changes in kernel interface |
| * - add UINPUT_VERSION |
| * 0.2 16/10/2004 (Micah Dowty <micah@navi.cx>) |
| * - added force feedback support |
| * - added UI_SET_PHYS |
| * 0.1 20/06/2002 |
| * - first public version |
| */ |
| #ifndef __UINPUT_H_ |
| #define __UINPUT_H_ |
| |
| #include <uapi/linux/uinput.h> |
| |
| #define UINPUT_NAME "uinput" |
| #define UINPUT_BUFFER_SIZE 16 |
| #define UINPUT_NUM_REQUESTS 16 |
| |
| enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED }; |
| |
| struct uinput_request { |
| unsigned int id; |
| unsigned int code; /* UI_FF_UPLOAD, UI_FF_ERASE */ |
| |
| int retval; |
| struct completion done; |
| |
| union { |
| unsigned int effect_id; |
| struct { |
| struct ff_effect *effect; |
| struct ff_effect *old; |
| } upload; |
| } u; |
| }; |
| |
| struct uinput_device { |
| struct input_dev *dev; |
| struct mutex mutex; |
| enum uinput_state state; |
| wait_queue_head_t waitq; |
| unsigned char ready; |
| unsigned char head; |
| unsigned char tail; |
| struct input_event buff[UINPUT_BUFFER_SIZE]; |
| unsigned int ff_effects_max; |
| |
| struct uinput_request *requests[UINPUT_NUM_REQUESTS]; |
| wait_queue_head_t requests_waitq; |
| spinlock_t requests_lock; |
| }; |
| #endif /* __UINPUT_H_ */ |