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arch
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arm
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mach-ep93xx
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include
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mach
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ep93xx_keypad.h

ep93xx_keypad.h 1.1 KB
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  1. /*
    2. 

  2.  * arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
    3. 

  3.  */
    4. 

  4. 

  5. #ifndef __ASM_ARCH_EP93XX_KEYPAD_H
    6. 

  6. #define __ASM_ARCH_EP93XX_KEYPAD_H
    7. 

  7. 

  8. struct matrix_keymap_data;
    9. 

  9. 

  10. /* flags for the ep93xx_keypad driver */
    11. 

  11. #define EP93XX_KEYPAD_DISABLE_3_KEY	(1<<0)	/* disable 3-key reset */
    12. 

  12. #define EP93XX_KEYPAD_DIAG_MODE		(1<<1)	/* diagnostic mode */
    13. 

  13. #define EP93XX_KEYPAD_BACK_DRIVE	(1<<2)	/* back driving mode */
    14. 

  14. #define EP93XX_KEYPAD_TEST_MODE		(1<<3)	/* scan only column 0 */
    15. 

  15. #define EP93XX_KEYPAD_KDIV		(1<<4)	/* 1/4 clock or 1/16 clock */
    16. 

  16. #define EP93XX_KEYPAD_AUTOREPEAT	(1<<5)	/* enable key autorepeat */
    17. 

  17. 

  18. /**
    19. 

  19.  * struct ep93xx_keypad_platform_data - platform specific device structure
    20. 

  20.  * @keymap_data:	pointer to &matrix_keymap_data
    21. 

  21.  * @debounce:		debounce start count; terminal count is 0xff
    22. 

  22.  * @prescale:		row/column counter pre-scaler load value
    23. 

  23.  * @flags:		see above
    24. 

  24.  */
    25. 

  25. struct ep93xx_keypad_platform_data {
    26. 

  26. 	struct matrix_keymap_data *keymap_data;
    27. 

  27. 	unsigned int	debounce;
    28. 

  28. 	unsigned int	prescale;
    29. 

  29. 	unsigned int	flags;
    30. 

  30. };
    31. 

  31. 

  32. #define EP93XX_MATRIX_ROWS		(8)
    33. 

  33. #define EP93XX_MATRIX_COLS		(8)
    34. 

  34. 

  35. #endif	/* __ASM_ARCH_EP93XX_KEYPAD_H */
    36.