release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h

   1 /*
   2  * arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
   3  */
   4
   5 #ifndef __ASM_ARCH_EP93XX_KEYPAD_H
   6 #define __ASM_ARCH_EP93XX_KEYPAD_H
   7
   8 struct matrix_keymap_data;
   9
  10 /* flags for the ep93xx_keypad driver */
  11 #define EP93XX_KEYPAD_DISABLE_3_KEY     (1<<0)  /* disable 3-key reset */
  12 #define EP93XX_KEYPAD_DIAG_MODE         (1<<1)  /* diagnostic mode */
  13 #define EP93XX_KEYPAD_BACK_DRIVE        (1<<2)  /* back driving mode */
  14 #define EP93XX_KEYPAD_TEST_MODE         (1<<3)  /* scan only column 0 */
  15 #define EP93XX_KEYPAD_KDIV              (1<<4)  /* 1/4 clock or 1/16 clock */
  16 #define EP93XX_KEYPAD_AUTOREPEAT        (1<<5)  /* enable key autorepeat */
  17
  18 /**
  19  * struct ep93xx_keypad_platform_data - platform specific device structure
  20  * @keymap_data:        pointer to &matrix_keymap_data
  21  * @debounce:           debounce start count; terminal count is 0xff
  22  * @prescale:           row/column counter pre-scaler load value
  23  * @flags:              see above
  24  */
  25 struct ep93xx_keypad_platform_data {
  26         struct matrix_keymap_data *keymap_data;
  27         unsigned int    debounce;
  28         unsigned int    prescale;
  29         unsigned int    flags;
  30 };
  31
  32 #define EP93XX_MATRIX_ROWS              (8)
  33 #define EP93XX_MATRIX_COLS              (8)
  34
  35 #endif  /* __ASM_ARCH_EP93XX_KEYPAD_H */