xref: /freebsd-src/sys/contrib/device-tree/include/dt-bindings/input/input.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot /* SPDX-License-Identifier: GPL-2.0 */
2*c66ec88fSEmmanuel Vadot /*
3*c66ec88fSEmmanuel Vadot  * This header provides constants for most input bindings.
4*c66ec88fSEmmanuel Vadot  *
5*c66ec88fSEmmanuel Vadot  * Most input bindings include key code, matrix key code format.
6*c66ec88fSEmmanuel Vadot  * In most cases, key code and matrix key code format uses
7*c66ec88fSEmmanuel Vadot  * the standard values/macro defined in this header.
8*c66ec88fSEmmanuel Vadot  */
9*c66ec88fSEmmanuel Vadot 
10*c66ec88fSEmmanuel Vadot #ifndef _DT_BINDINGS_INPUT_INPUT_H
11*c66ec88fSEmmanuel Vadot #define _DT_BINDINGS_INPUT_INPUT_H
12*c66ec88fSEmmanuel Vadot 
13*c66ec88fSEmmanuel Vadot #include "linux-event-codes.h"
14*c66ec88fSEmmanuel Vadot 
15*c66ec88fSEmmanuel Vadot #define MATRIX_KEY(row, col, code)	\
16*c66ec88fSEmmanuel Vadot 	((((row) & 0xFF) << 24) | (((col) & 0xFF) << 16) | ((code) & 0xFFFF))
17*c66ec88fSEmmanuel Vadot 
18*c66ec88fSEmmanuel Vadot #endif /* _DT_BINDINGS_INPUT_INPUT_H */
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