2 * arch/arm/plat-omap/include/mach/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 {
18 unsigned int keymapsize;
21 unsigned int dbounce:1;
22 /* specific to OMAP242x*/
23 unsigned int *row_gpios;
24 unsigned int *col_gpios;
27 /* Group (0..3) -- when multiple keys are pressed, only the
28 * keys pressed in the same group are considered as pressed. This is
29 * in order to workaround certain crappy HW designs that produce ghost
31 #define GROUP_0 (0 << 16)
32 #define GROUP_1 (1 << 16)
33 #define GROUP_2 (2 << 16)
34 #define GROUP_3 (3 << 16)
35 #define GROUP_MASK GROUP_3
37 #define ROWCOL_MASK 0xFF000000
38 #define KEY_PERSISTENT 0x00800000
39 #define KEYNUM_MASK 0x00EFFFFF
40 #define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
41 #define PERSISTENT_KEY(col, row) (((col) << 28) | ((row) << 24) | \