projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 120db2cb | 1 | /* |
| 120db2cb TL |
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. | |
| 7 | */ | |
| b38b4b4f SK |
8 | #ifndef __KEYPAD_OMAP_H |
| 9 | #define __KEYPAD_OMAP_H | |
| 120db2cb | 10 | |
| da1f026b JK |
11 | #ifndef CONFIG_ARCH_OMAP1 |
| 12 | #warning Please update the board to use matrix-keypad driver | |
| acea7c7b TL |
13 | #define omap_readw(reg) 0 |
| 14 | #define omap_writew(val, reg) do {} while (0) | |
| da1f026b JK |
15 | #endif |
| 16 | #include <linux/input/matrix_keypad.h> | |
| 4f543332 | 17 | |
| 120db2cb TL |
18 | struct omap_kp_platform_data { |
| 19 | int rows; | |
| 20 | int cols; | |
| da1f026b JK |
21 | const struct matrix_keymap_data *keymap_data; |
| 22 | bool rep; | |
| ad4e09b1 | 23 | unsigned long delay; |
| da1f026b | 24 | bool dbounce; |
| 120db2cb TL |
25 | /* specific to OMAP242x*/ |
| 26 | unsigned int *row_gpios; | |
| 27 | unsigned int *col_gpios; | |
| 28 | }; | |
| 29 | ||
| 30 | /* Group (0..3) -- when multiple keys are pressed, only the | |
| 31 | * keys pressed in the same group are considered as pressed. This is | |
| 32 | * in order to workaround certain crappy HW designs that produce ghost | |
| da1f026b JK |
33 | * keypresses. Two free bits, not used by neither row/col nor keynum, |
| 34 | * must be available for use as group bits. The below GROUP_SHIFT | |
| 35 | * macro definition is based on some prior knowledge of the | |
| 36 | * matrix_keypad defined KEY() macro internals. | |
| 37 | */ | |
| 38 | #define GROUP_SHIFT 14 | |
| 39 | #define GROUP_0 (0 << GROUP_SHIFT) | |
| 40 | #define GROUP_1 (1 << GROUP_SHIFT) | |
| 41 | #define GROUP_2 (2 << GROUP_SHIFT) | |
| 42 | #define GROUP_3 (3 << GROUP_SHIFT) | |
| 120db2cb | 43 | #define GROUP_MASK GROUP_3 |
| da1f026b JK |
44 | #if KEY_MAX & GROUP_MASK |
| 45 | #error Group bits in conflict with keynum bits | |
| 46 | #endif | |
| 120db2cb | 47 | |
| 120db2cb TL |
48 | |
| 49 | #endif | |
| 50 |