text: /*
   *  linux/include/asm-arm/arch-omap/keypad.h
   *
   *  Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #ifndef ASMARM_ARCH_KEYPAD_H
  #define ASMARM_ARCH_KEYPAD_H
  
  struct omap_kp_platform_data {
  	int rows;
  	int cols;
  	int *keymap;
  	unsigned int keymapsize;
  	unsigned int rep:1;
  	unsigned long delay;
  	unsigned int dbounce:1;
  	/* specific to OMAP242x*/
  	unsigned int *row_gpios;
  	unsigned int *col_gpios;
  };
  
  /* Group (0..3) -- when multiple keys are pressed, only the
   * keys pressed in the same group are considered as pressed. This is
   * in order to workaround certain crappy HW designs that produce ghost
   * keypresses. */
  #define GROUP_0		(0 << 16)
  #define GROUP_1		(1 << 16)
  #define GROUP_2		(2 << 16)
  #define GROUP_3		(3 << 16)
  #define GROUP_MASK	GROUP_3
  
  #define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
  
  #endif
  
  