/*
 * Platform definitions for tegra-kbc keyboard input driver
 *
 * Copyright (c) 2010-2011, NVIDIA Corporation.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef ASMARM_ARCH_TEGRA_KBC_H
#define ASMARM_ARCH_TEGRA_KBC_H

#include <linux/types.h>
#include <linux/input/matrix_keypad.h>

#ifdef CONFIG_ARCH_TEGRA_2x_SOC
#define KBC_MAX_GPIO	24
#define KBC_MAX_KPENT	8
#else
#define KBC_MAX_GPIO	20
#define KBC_MAX_KPENT	7
#endif

#define KBC_MAX_ROW	16
#define KBC_MAX_COL	8
#define KBC_MAX_KEY	(KBC_MAX_ROW * KBC_MAX_COL)

struct tegra_kbc_pin_cfg {
	bool is_row;
	unsigned char num;
};

struct tegra_kbc_wake_key {
	u8 row:4;
	u8 col:4;
};

struct tegra_kbc_platform_data {
	unsigned int debounce_cnt;
	unsigned int repeat_cnt;

	unsigned int wake_cnt; /* 0:wake on any key >1:wake on wake_cfg */
	const struct tegra_kbc_wake_key *wake_cfg;

	struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
	const struct matrix_keymap_data *keymap_data;

	bool wakeup;
};
#endif
