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/**
* @file event-input.h
* Headers for the /dev/input event provider for the Mode Control Entity
* <p>
* Copyright © 2007-2011 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2013-2019 Jolla Ltd.
* <p>
* @author David Weinehall <david.weinehall@nokia.com>
* @author Santtu Lakkala <ext-santtu.1.lakkala@nokia.com>
* @author Simo Piiroinen <simo.piiroinen@jollamobile.com>
*
* mce is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* mce 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mce. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EVENT_INPUT_H_
# define EVENT_INPUT_H_
# include <glib.h>
/* ========================================================================= *
* Constants
* ========================================================================= */
/** Path to the input device directory */
# define DEV_INPUT_PATH "/dev/input"
/** Prefix for event files */
# define EVENT_FILE_PREFIX "event"
/** Path to the GPIO key disable interface */
# define GPIO_KEY_DISABLE_PATH "/sys/devices/platform/gpio-keys/disabled_keys"
/** Name of the evdev event mapping configuration group
*
* This configuration group can be used to remap the events
* sent by the kernel to the ones expected by mce.
*
* Items in the group are of form:
*
* <event_emitted_by_kernel>=<event_expected_by_mce>
*
* Where both event_emitted_by_kernel and event_expected_by_mce are event
* code names such: as SW_LID, SW_KEYPAD_SLIDE, ...
*
* See inifiles/evdev.ini for details and examples.
*/
#define MCE_CONF_EVDEV_GROUP "EVDEV"
/** Name of the evdev type configuration group
*
* This configuration group can be used to explicitly define input device
* types in cases where probing heuristic in mce code fails to work.
*
* Items in the group are of form:
*
* <device_name>=<device_type>
*
* Where device_name is sanitized evdev device name obtained via EVIOCGNAME
* ioctl(), and device_type is one of : TOUCH, VOLKEY, DBLTAP, ...
*
* See evio_sanitize_key_name() and evin_evdevtype_parse() for details.
*/
#define MCE_CONF_EVDEV_TYPE_GROUP "EVDEV_TYPE"
/* ========================================================================= *
* Settings
* ========================================================================= */
/** Prefix for event input setting keys */
# define MCE_SETTING_EVENT_INPUT_PATH "/system/osso/dsm/event_input"
# ifdef ENABLE_DOUBLETAP_EMULATION
/** Whether double tap emulation is enabled
*
* When enabled, mce does double tap detection from "normal" touch events
* that are received in display off an lpm states.
*/
# define MCE_SETTING_USE_FAKE_DOUBLETAP MCE_SETTING_EVENT_INPUT_PATH "/use_fake_double_tap"
# define MCE_DEFAULT_USE_FAKE_DOUBLETAP true
# endif
/** How long to delay touch unblock after display power up [ms]
*
* This can be used to fine tune input policy to make it less
* likely that accidental touch events reach ui during in-call
* proximity blanking etc.
*/
# define MCE_SETTING_TOUCH_UNBLOCK_DELAY MCE_SETTING_EVENT_INPUT_PATH "/touch_unblock_delay"
# define MCE_DEFAULT_TOUCH_UNBLOCK_DELAY 100
/** What kind of evdev sources mce is allowed to grab [bitmask]
*
* By default mce grabs evdev sources dealing with touch events and volume
* keys under certain circumstances.
*
* If this is not desirable for some reason (for example touchscreens
* that use multitouch protocol B for reporting should not be grabbed),
* the default value of this setting should be overridden in hw adaptation
* specific configuration.
*/
# define MCE_SETTING_INPUT_GRAB_ALLOWED MCE_SETTING_EVENT_INPUT_PATH "/input_grab_allowed"
# define MCE_INPUT_GRAB_ALLOW_NONE (0)
# define MCE_INPUT_GRAB_ALLOW_TS (1<<0)
# define MCE_INPUT_GRAB_ALLOW_KP (1<<1)
# define MCE_DEFAULT_INPUT_GRAB_ALLOWED 0 // = MCE_INPUT_GRAB_ALLOW_NONE
/* ========================================================================= *
* Functions
* ========================================================================= */
gboolean mce_input_init(void);
void mce_input_exit(void);
#endif /* EVENT_INPUT_H_ */