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