linux/arch/arm/plat-samsung/include/plat/keypad.h

/*
 * Samsung Platform - Keypad platform data definitions
 *
 * Copyright (C) 2010 Samsung Electronics Co.Ltd
 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#ifndef __PLAT_SAMSUNG_KEYPAD_H
#define __PLAT_SAMSUNG_KEYPAD_H

#include <linux/input/matrix_keypad.h>

#define SAMSUNG_MAX_ROWS	8
#define SAMSUNG_MAX_COLS	8

/**
 * struct samsung_keypad_platdata - Platform device data for Samsung Keypad.
 * @keymap_data: pointer to &matrix_keymap_data.
 * @rows: number of keypad row supported.
 * @cols: number of keypad col supported.
 * @no_autorepeat: disable key autorepeat.
 * @wakeup: controls whether the device should be set up as wakeup source.
 * @cfg_gpio: configure the GPIO.
 *
 * Initialisation data specific to either the machine or the platform
 * for the device driver to use or call-back when configuring gpio.
 */
struct samsung_keypad_platdata {
	const struct matrix_keymap_data	*keymap_data;
	unsigned int rows;
	unsigned int cols;
	bool no_autorepeat;
	bool wakeup;

	void (*cfg_gpio)(unsigned int rows, unsigned int cols);
};

/**
 * samsung_keypad_set_platdata - Set platform data for Samsung Keypad device.
 * @pd: Platform data to register to device.
 *
 * Register the given platform data for use with Samsung Keypad device.
 * The call will copy the platform data, so the board definitions can
 * make the structure itself __initdata.
 */
extern void samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd);

/* defined by architecture to configure gpio. */
extern void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols);

#endif /* __PLAT_SAMSUNG_KEYPAD_H */