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/*
* 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 the GNU General Public License as published by
* the Free Software Foundation; either version 2, 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, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************
* 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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