1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * Copyright (C) 2006 Komal Shah <komal_shah8 2 * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
>> 3 *
>> 4 * This program is free software; you can redistribute it and/or modify
>> 5 * it under the terms of the GNU General Public License version 2 as
>> 6 * published by the Free Software Foundation.
4 */ 7 */
5 #ifndef __KEYPAD_OMAP_H 8 #ifndef __KEYPAD_OMAP_H
6 #define __KEYPAD_OMAP_H 9 #define __KEYPAD_OMAP_H
7 10
8 #ifndef CONFIG_ARCH_OMAP1 11 #ifndef CONFIG_ARCH_OMAP1
9 #warning Please update the board to use matrix 12 #warning Please update the board to use matrix-keypad driver
10 #define omap_readw(reg) 0 13 #define omap_readw(reg) 0
11 #define omap_writew(val, reg) do {} while (0 14 #define omap_writew(val, reg) do {} while (0)
12 #endif 15 #endif
13 #include <linux/input/matrix_keypad.h> 16 #include <linux/input/matrix_keypad.h>
14 17
15 struct omap_kp_platform_data { 18 struct omap_kp_platform_data {
16 int rows; 19 int rows;
17 int cols; 20 int cols;
18 const struct matrix_keymap_data *keyma 21 const struct matrix_keymap_data *keymap_data;
19 bool rep; 22 bool rep;
20 unsigned long delay; 23 unsigned long delay;
21 bool dbounce; 24 bool dbounce;
>> 25 /* specific to OMAP242x*/
>> 26 unsigned int *row_gpios;
>> 27 unsigned int *col_gpios;
22 }; 28 };
23 29
24 /* Group (0..3) -- when multiple keys are pres 30 /* Group (0..3) -- when multiple keys are pressed, only the
25 * keys pressed in the same group are consider 31 * keys pressed in the same group are considered as pressed. This is
26 * in order to workaround certain crappy HW de 32 * in order to workaround certain crappy HW designs that produce ghost
27 * keypresses. Two free bits, not used by neit 33 * keypresses. Two free bits, not used by neither row/col nor keynum,
28 * must be available for use as group bits. Th 34 * must be available for use as group bits. The below GROUP_SHIFT
29 * macro definition is based on some prior kno 35 * macro definition is based on some prior knowledge of the
30 * matrix_keypad defined KEY() macro internals 36 * matrix_keypad defined KEY() macro internals.
31 */ 37 */
32 #define GROUP_SHIFT 14 38 #define GROUP_SHIFT 14
33 #define GROUP_0 (0 << GROUP_SHIFT) 39 #define GROUP_0 (0 << GROUP_SHIFT)
34 #define GROUP_1 (1 << GROUP_SHIFT) 40 #define GROUP_1 (1 << GROUP_SHIFT)
35 #define GROUP_2 (2 << GROUP_SHIFT) 41 #define GROUP_2 (2 << GROUP_SHIFT)
36 #define GROUP_3 (3 << GROUP_SHIFT) 42 #define GROUP_3 (3 << GROUP_SHIFT)
37 #define GROUP_MASK GROUP_3 43 #define GROUP_MASK GROUP_3
38 #if KEY_MAX & GROUP_MASK 44 #if KEY_MAX & GROUP_MASK
39 #error Group bits in conflict with keynum bits 45 #error Group bits in conflict with keynum bits
40 #endif 46 #endif
41 47
42 48
43 #endif 49 #endif
44 50
45 51
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.