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편집 파일: keypad-omap.h

/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com> */ #ifndef __KEYPAD_OMAP_H #define __KEYPAD_OMAP_H #ifndef CONFIG_ARCH_OMAP1 #warning Please update the board to use matrix-keypad driver #define omap_readw(reg) 0 #define omap_writew(val, reg) do {} while (0) #endif #include <linux/input/matrix_keypad.h> struct omap_kp_platform_data { int rows; int cols; const struct matrix_keymap_data *keymap_data; bool rep; unsigned long delay; bool dbounce; /* specific to OMAP242x*/ unsigned int *row_gpios; unsigned int *col_gpios; }; /* Group (0..3) -- when multiple keys are pressed, only the * keys pressed in the same group are considered as pressed. This is * in order to workaround certain crappy HW designs that produce ghost * keypresses. Two free bits, not used by neither row/col nor keynum, * must be available for use as group bits. The below GROUP_SHIFT * macro definition is based on some prior knowledge of the * matrix_keypad defined KEY() macro internals. */ #define GROUP_SHIFT 14 #define GROUP_0 (0 << GROUP_SHIFT) #define GROUP_1 (1 << GROUP_SHIFT) #define GROUP_2 (2 << GROUP_SHIFT) #define GROUP_3 (3 << GROUP_SHIFT) #define GROUP_MASK GROUP_3 #if KEY_MAX & GROUP_MASK #error Group bits in conflict with keynum bits #endif #endif