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keypad.h

/*
 *  arch/arm/plat-omap/include/mach/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


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