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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445/* 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;};
/* 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