summaryrefslogtreecommitdiffstats
path: root/kernel/include/linux/uinput.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/linux/uinput.h')
-rw-r--r--kernel/include/linux/uinput.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/kernel/include/linux/uinput.h b/kernel/include/linux/uinput.h
new file mode 100644
index 000000000..0994c0d01
--- /dev/null
+++ b/kernel/include/linux/uinput.h
@@ -0,0 +1,76 @@
+/*
+ * 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:
+ * 0.4 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_ */