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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __KEYPAD_EP93XX_H
3#define __KEYPAD_EP93XX_H
4
5struct matrix_keymap_data;
6
7/* flags for the ep93xx_keypad driver */
8#define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */
9#define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */
10#define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */
11#define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */
12#define EP93XX_KEYPAD_KDIV (1<<4) /* 1/4 clock or 1/16 clock */
13#define EP93XX_KEYPAD_AUTOREPEAT (1<<5) /* enable key autorepeat */
14
15/**
16 * struct ep93xx_keypad_platform_data - platform specific device structure
17 * @keymap_data: pointer to &matrix_keymap_data
18 * @debounce: debounce start count; terminal count is 0xff
19 * @prescale: row/column counter pre-scaler load value
20 * @flags: see above
21 */
22struct ep93xx_keypad_platform_data {
23 struct matrix_keymap_data *keymap_data;
24 unsigned int debounce;
25 unsigned int prescale;
26 unsigned int flags;
27};
28
29#define EP93XX_MATRIX_ROWS (8)
30#define EP93XX_MATRIX_COLS (8)
31
32#endif /* __KEYPAD_EP93XX_H */