63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
|
#ifndef _SPARSE_KEYMAP_H
|
||
|
|
#define _SPARSE_KEYMAP_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2009 Dmitry Torokhov
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License version 2 as published by
|
||
|
|
* the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define KE_END 0 /* Indicates end of keymap */
|
||
|
|
#define KE_KEY 1 /* Ordinary key/button */
|
||
|
|
#define KE_SW 2 /* Switch (predetermined value) */
|
||
|
|
#define KE_VSW 3 /* Switch (value supplied at runtime) */
|
||
|
|
#define KE_IGNORE 4 /* Known entry that should be ignored */
|
||
|
|
#define KE_LAST KE_IGNORE
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct key_entry - keymap entry for use in sparse keymap
|
||
|
|
* @type: Type of the key entry (KE_KEY, KE_SW, KE_VSW, KE_END);
|
||
|
|
* drivers are allowed to extend the list with their own
|
||
|
|
* private definitions.
|
||
|
|
* @code: Device-specific data identifying the button/switch
|
||
|
|
* @keycode: KEY_* code assigned to a key/button
|
||
|
|
* @sw.code: SW_* code assigned to a switch
|
||
|
|
* @sw.value: Value that should be sent in an input even when KE_SW
|
||
|
|
* switch is toggled. KE_VSW switches ignore this field and
|
||
|
|
* expect driver to supply value for the event.
|
||
|
|
*
|
||
|
|
* This structure defines an entry in a sparse keymap used by some
|
||
|
|
* input devices for which traditional table-based approach is not
|
||
|
|
* suitable.
|
||
|
|
*/
|
||
|
|
struct key_entry {
|
||
|
|
int type; /* See KE_* above */
|
||
|
|
u32 code;
|
||
|
|
union {
|
||
|
|
u16 keycode; /* For KE_KEY */
|
||
|
|
struct { /* For KE_SW, KE_VSW */
|
||
|
|
u8 code;
|
||
|
|
u8 value; /* For KE_SW, ignored by KE_VSW */
|
||
|
|
} sw;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
struct key_entry *sparse_keymap_entry_from_scancode(struct input_dev *dev,
|
||
|
|
unsigned int code);
|
||
|
|
struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
|
||
|
|
unsigned int code);
|
||
|
|
int sparse_keymap_setup(struct input_dev *dev,
|
||
|
|
const struct key_entry *keymap,
|
||
|
|
int (*setup)(struct input_dev *, struct key_entry *));
|
||
|
|
void sparse_keymap_free(struct input_dev *dev);
|
||
|
|
|
||
|
|
void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *ke,
|
||
|
|
unsigned int value, bool autorelease);
|
||
|
|
|
||
|
|
bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,
|
||
|
|
unsigned int value, bool autorelease);
|
||
|
|
|
||
|
|
#endif /* _SPARSE_KEYMAP_H */
|