/*
 *   This file is provided under a dual BSD/GPLv2 license.  When using or
 *   redistributing this file, you may do so under either license.
 *
 *   GPL LICENSE SUMMARY
 *
 *   Copyright (C) 2010  Proformatique
 *   Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of version 2 of the GNU General Public License as
 *   published by the Free Software Foundation.
 *
 *   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 St - Fifth Floor, Boston, MA 02110-1301 USA.
 *   The full GNU General Public License is included in this distribution
 *   in the file called LICENSE.GPL.
 *
 *   BSD LICENSE
 *
 *   Copyright (C) 2010  Proformatique
 *   Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *
 *  version: Embedded.L.1.0.3-144
 */

/*****************************************************************************
 * Module name:
 *    gpio
 *
 * Abstract:
 *    This header file is to be included by the gpio.c file only.
 *
 * Revision:
 *    TBD
 *
 *****************************************************************************/

#ifndef GPIO_H
#define GPIO_H

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/socket.h>
#include <linux/poll.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <linux/pci.h>

#include "common.h"

#define DRIVERNAME "gpio_ref"


/******************************************************************************

  Description:
     This structure contains data that is used for most driver operations.

 *****************************************************************************/
struct drvr_data
{
	struct gpio_regs regs;
	void *mem_virt;
	unsigned int mem_base;
	unsigned int mem_resrvd;
};

enum gpio_direction { GPIO_INPUT, GPIO_OUTPUT };
enum gpio_level { GPIO_LOW, GPIO_HIGH };

int gpio_set_to_gpio(int signal);
int gpio_set_to_alternative(int signal);
int gpio_set_direction(int signal, int direction);
int gpio_set_level(int signal, int level);
int gpio_get_level(int signal);
int gpio_set_blink(int signal, int blink);
int gpio_inverted_input(int signal, int inverted);
const struct gpio_regs* gpio_regs(void);

int gpio_init(void);
void gpio_close(void);
int gpio_getpininfo(int Signal, char *pBuff);
void set_reg_addrs(unsigned int addr);

#endif