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kernel/linux-rt-4.4.41/include/linux/platform_data/keypad-ep93xx.h 1.01 KB
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  #ifndef __KEYPAD_EP93XX_H
  #define __KEYPAD_EP93XX_H
  
  struct matrix_keymap_data;
  
  /* flags for the ep93xx_keypad driver */
  #define EP93XX_KEYPAD_DISABLE_3_KEY	(1<<0)	/* disable 3-key reset */
  #define EP93XX_KEYPAD_DIAG_MODE		(1<<1)	/* diagnostic mode */
  #define EP93XX_KEYPAD_BACK_DRIVE	(1<<2)	/* back driving mode */
  #define EP93XX_KEYPAD_TEST_MODE		(1<<3)	/* scan only column 0 */
  #define EP93XX_KEYPAD_KDIV		(1<<4)	/* 1/4 clock or 1/16 clock */
  #define EP93XX_KEYPAD_AUTOREPEAT	(1<<5)	/* enable key autorepeat */
  
  /**
   * struct ep93xx_keypad_platform_data - platform specific device structure
   * @keymap_data:	pointer to &matrix_keymap_data
   * @debounce:		debounce start count; terminal count is 0xff
   * @prescale:		row/column counter pre-scaler load value
   * @flags:		see above
   */
  struct ep93xx_keypad_platform_data {
  	struct matrix_keymap_data *keymap_data;
  	unsigned int	debounce;
  	unsigned int	prescale;
  	unsigned int	flags;
  };
  
  #define EP93XX_MATRIX_ROWS		(8)
  #define EP93XX_MATRIX_COLS		(8)
  
  #endif	/* __KEYPAD_EP93XX_H */