| Tony Lindgren | 120db2c | 2006-04-02 17:46:27 +0100 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-omap/keypad.h |
| 3 | * |
| 4 | * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com> |
| 5 | * |
| 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. |
| 9 | */ |
| 10 | #ifndef ASMARM_ARCH_KEYPAD_H |
| 11 | #define ASMARM_ARCH_KEYPAD_H |
| 12 | |
| 13 | struct omap_kp_platform_data { |
| 14 | int rows; |
| 15 | int cols; |
| 16 | int *keymap; |
| 17 | unsigned int rep:1; |
| 18 | /* specific to OMAP242x*/ |
| 19 | unsigned int *row_gpios; |
| 20 | unsigned int *col_gpios; |
| 21 | }; |
| 22 | |
| 23 | /* Group (0..3) -- when multiple keys are pressed, only the |
| 24 | * keys pressed in the same group are considered as pressed. This is |
| 25 | * in order to workaround certain crappy HW designs that produce ghost |
| 26 | * keypresses. */ |
| 27 | #define GROUP_0 (0 << 16) |
| 28 | #define GROUP_1 (1 << 16) |
| 29 | #define GROUP_2 (2 << 16) |
| 30 | #define GROUP_3 (3 << 16) |
| 31 | #define GROUP_MASK GROUP_3 |
| 32 | |
| 33 | #define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val)) |
| 34 | |
| 35 | #endif |
| 36 | |