You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.4 KiB
81 lines
2.4 KiB
/* |
|
* 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_ */
|
|
|