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/*
* 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) 2010,2012 Avencall
* 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) 2010,2012 Avencall
* 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
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