include/linux/platform_data/keypad-ep93xx.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __KEYPAD_EP93XX_H
   3 #define __KEYPAD_EP93XX_H
   4
   5 struct 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  */
  22 struct 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 */