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evdev is a generic input event interface compatible with Linux evdev API at ioctl level. It allows using unmodified (apart from header name) input evdev drivers in Xorg, Wayland, Qt. This commit has only generic kernel API. evdev support for individual hardware drivers like ukbd, ums, atkbd, etc. will be committed later. Project was started by Jakub Klama as part of GSoC 2014. Jakub's evdev implementation was later used as a base, updated and finished by Vladimir Kondratiev. Submitted by: Vladimir Kondratiev <wulf@cicgroup.ru> Reviewed by: adrian, hans Differential Revision: https://reviews.freebsd.org/D6998
128 lines
5.1 KiB
C
128 lines
5.1 KiB
C
/*-
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* Copyright (c) 2014 Jakub Wojciech Klama <jceel@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_EVDEV_EVDEV_H
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#define _DEV_EVDEV_EVDEV_H
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#include <sys/types.h>
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#include <sys/kbio.h>
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#include <dev/evdev/input.h>
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#include <dev/kbd/kbdreg.h>
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#define NAMELEN 80
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struct evdev_dev;
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typedef int (evdev_open_t)(struct evdev_dev *, void *);
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typedef void (evdev_close_t)(struct evdev_dev *, void *);
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typedef void (evdev_event_t)(struct evdev_dev *, void *, uint16_t,
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uint16_t, int32_t);
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typedef void (evdev_keycode_t)(struct evdev_dev *, void *,
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struct input_keymap_entry *);
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/*
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* Keyboard and mouse events recipient mask.
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* evdev_rcpt_mask variable should be respected by keyboard and mouse drivers
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* that are able to send events through both evdev and sysmouse/kbdmux
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* interfaces so user can choose prefered one to not receive one event twice.
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*/
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#define EVDEV_RCPT_SYSMOUSE (1<<0)
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#define EVDEV_RCPT_KBDMUX (1<<1)
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#define EVDEV_RCPT_HW_MOUSE (1<<2)
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#define EVDEV_RCPT_HW_KBD (1<<3)
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extern int evdev_rcpt_mask;
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#define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR
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#define ABS_MT_LAST ABS_MT_TOOL_Y
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#define ABS_IS_MT(x) ((x) >= ABS_MT_FIRST && (x) <= ABS_MT_LAST)
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#define ABS_MT_INDEX(x) ((x) - ABS_MT_FIRST)
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#define MT_CNT (ABS_MT_INDEX(ABS_MT_LAST) + 1)
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/* Multitouch protocol type A */
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#define MAX_MT_REPORTS 5
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/* Multitouch protocol type B interface */
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#define MAX_MT_SLOTS 16
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#define EVDEV_FLAG_SOFTREPEAT 0x00 /* use evdev to repeat keys */
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#define EVDEV_FLAG_MT_STCOMPAT 0x01 /* autogenerate ST-compatible events
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* for MT protocol type B reports */
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#define EVDEV_FLAG_MAX 0x1F
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#define EVDEV_FLAG_CNT (EVDEV_FLAG_MAX + 1)
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struct evdev_methods
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{
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evdev_open_t *ev_open;
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evdev_close_t *ev_close;
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evdev_event_t *ev_event;
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evdev_keycode_t *ev_get_keycode;
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evdev_keycode_t *ev_set_keycode;
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};
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/* Input device interface: */
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struct evdev_dev *evdev_alloc(void);
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void evdev_free(struct evdev_dev *);
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void evdev_set_name(struct evdev_dev *, const char *);
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void evdev_set_id(struct evdev_dev *, uint16_t, uint16_t, uint16_t, uint16_t);
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void evdev_set_phys(struct evdev_dev *, const char *);
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void evdev_set_serial(struct evdev_dev *, const char *);
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void evdev_set_methods(struct evdev_dev *, void *, struct evdev_methods *);
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int evdev_register(struct evdev_dev *);
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int evdev_unregister(struct evdev_dev *);
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int evdev_push_event(struct evdev_dev *, uint16_t, uint16_t, int32_t);
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int evdev_sync(struct evdev_dev *);
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int evdev_mt_sync(struct evdev_dev *);
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void evdev_support_prop(struct evdev_dev *, uint16_t);
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void evdev_support_event(struct evdev_dev *, uint16_t);
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void evdev_support_key(struct evdev_dev *, uint16_t);
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void evdev_support_rel(struct evdev_dev *, uint16_t);
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void evdev_support_abs(struct evdev_dev *, uint16_t, int32_t, int32_t, int32_t,
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int32_t, int32_t, int32_t);
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void evdev_support_msc(struct evdev_dev *, uint16_t);
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void evdev_support_led(struct evdev_dev *, uint16_t);
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void evdev_support_snd(struct evdev_dev *, uint16_t);
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void evdev_support_sw(struct evdev_dev *, uint16_t);
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void evdev_set_repeat_params(struct evdev_dev *, uint16_t, int);
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int evdev_set_report_size(struct evdev_dev *, size_t);
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void evdev_set_flag(struct evdev_dev *, uint16_t);
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/* Multitouch related functions: */
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int32_t evdev_get_mt_slot_by_tracking_id(struct evdev_dev *, int32_t);
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void evdev_support_nfingers(struct evdev_dev *, int32_t);
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void evdev_support_mt_compat(struct evdev_dev *);
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void evdev_push_nfingers(struct evdev_dev *, int32_t);
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void evdev_push_mt_compat(struct evdev_dev *);
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/* Utility functions: */
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uint16_t evdev_hid2key(int);
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void evdev_support_all_known_keys(struct evdev_dev *);
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uint16_t evdev_scancode2key(int *, int);
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void evdev_push_mouse_btn(struct evdev_dev *, int);
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void evdev_push_leds(struct evdev_dev *, int);
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void evdev_push_repeats(struct evdev_dev *, keyboard_t *);
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evdev_event_t evdev_ev_kbd_event;
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#endif /* _DEV_EVDEV_EVDEV_H */
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