linux-stable/include/linux/platform_data/keypad-omap.h
Arnd Bergmann 2203747c97 ARM: omap: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the omap include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: "Benoît Cousson" <b-cousson@ti.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Jarkko Nikula <jarkko.nikula@bitmer.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: Jean Pihet <j-pihet@ti.com>
Cc: J Keerthy <j-keerthy@ti.com>
Cc: linux-omap@vger.kernel.org
2012-09-19 17:39:52 +02:00

52 lines
1.5 KiB
C

/*
* 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
#ifndef CONFIG_ARCH_OMAP1
#warning Please update the board to use matrix-keypad driver
#define omap_readw(reg) 0
#define omap_writew(val, reg) do {} while (0)
#endif
#include <linux/input/matrix_keypad.h>
struct omap_kp_platform_data {
int rows;
int cols;
const struct matrix_keymap_data *keymap_data;
bool rep;
unsigned long delay;
bool dbounce;
/* 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. Two free bits, not used by neither row/col nor keynum,
* must be available for use as group bits. The below GROUP_SHIFT
* macro definition is based on some prior knowledge of the
* matrix_keypad defined KEY() macro internals.
*/
#define GROUP_SHIFT 14
#define GROUP_0 (0 << GROUP_SHIFT)
#define GROUP_1 (1 << GROUP_SHIFT)
#define GROUP_2 (2 << GROUP_SHIFT)
#define GROUP_3 (3 << GROUP_SHIFT)
#define GROUP_MASK GROUP_3
#if KEY_MAX & GROUP_MASK
#error Group bits in conflict with keynum bits
#endif
#endif