2 * linux/include/asm-arm/arch-omap/keypad.h
4 * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 #ifndef ASMARM_ARCH_KEYPAD_H
11 #define ASMARM_ARCH_KEYPAD_H
13 struct omap_kp_platform_data {
17 unsigned int keymapsize;
20 unsigned int dbounce:1;
21 /* specific to OMAP242x*/
22 unsigned int *row_gpios;
23 unsigned int *col_gpios;
26 /* Group (0..3) -- when multiple keys are pressed, only the
27 * keys pressed in the same group are considered as pressed. This is
28 * in order to workaround certain crappy HW designs that produce ghost
30 #define GROUP_0 (0 << 16)
31 #define GROUP_1 (1 << 16)
32 #define GROUP_2 (2 << 16)
33 #define GROUP_3 (3 << 16)
34 #define GROUP_MASK GROUP_3
36 #define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))