openwrt-xburst/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/gpio.h

/*
 *  $Id$
 *
 *  ADM5120 GPIO wrappers for arch-neutral GPIO calls
 *
 *  Copyright (C) 2007 OpenWrt.org
 *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
 *
 *  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 _ADM5120_GPIO_H_
#define _ADM5120_GPIO_H_

#define ADM5120_GPIO_PIN0	0
#define ADM5120_GPIO_PIN1	1
#define ADM5120_GPIO_PIN2	2
#define ADM5120_GPIO_PIN3	3
#define ADM5120_GPIO_PIN4	4
#define ADM5120_GPIO_PIN5	5
#define ADM5120_GPIO_PIN6	6
#define ADM5120_GPIO_PIN7	7
#define ADM5120_GPIO_P0L0	8
#define ADM5120_GPIO_P0L1	9
#define ADM5120_GPIO_P0L2	10
#define ADM5120_GPIO_P1L0	11
#define ADM5120_GPIO_P1L1	12
#define ADM5120_GPIO_P1L2	13
#define ADM5120_GPIO_P2L0	14
#define ADM5120_GPIO_P2L1	15
#define ADM5120_GPIO_P2L2	16
#define ADM5120_GPIO_P3L0	17
#define ADM5120_GPIO_P3L1	18
#define ADM5120_GPIO_P3L2	19
#define ADM5120_GPIO_P4L0	20
#define ADM5120_GPIO_P4L1	21
#define ADM5120_GPIO_P4L2	22
#define ADM5120_GPIO_MAX	22
#define ADM5120_GPIO_COUNT	ADM5120_GPIO_MAX+1

extern int adm5120_gpio_direction_input(unsigned gpio);
extern int adm5120_gpio_direction_output(unsigned gpio, int value);
extern int adm5120_gpio_get_value(unsigned gpio);
extern void adm5120_gpio_set_value(unsigned gpio, int value);
extern int adm5120_gpio_request(unsigned gpio, const char *label);
extern void adm5120_gpio_free(unsigned gpio);
extern int adm5120_gpio_to_irq(unsigned gpio);
extern int adm5120_irq_to_gpio(unsigned irq);

/*
 * Wrappers for the generic GPIO layer
 */
static inline int gpio_direction_input(unsigned gpio)
{
	return adm5120_gpio_direction_input(gpio);
}

static inline int gpio_direction_output(unsigned gpio, int value)
{
	return adm5120_gpio_direction_output(gpio,value);
}

static inline int gpio_get_value(unsigned gpio)
{
	return adm5120_gpio_get_value(gpio);
}

static inline void gpio_set_value(unsigned gpio, int value)
{
	adm5120_gpio_set_value(gpio, value);
}

static inline int gpio_request(unsigned gpio, const char *label)
{
	return adm5120_gpio_request(gpio, label);
}

static inline void gpio_free(unsigned gpio)
{
	adm5120_gpio_free(gpio);
}

static inline int gpio_to_irq(unsigned gpio)
{
	return adm5120_gpio_to_irq(gpio);
}

static inline int irq_to_gpio(unsigned irq)
{
	return adm5120_irq_to_gpio(irq);
}

#include <asm-generic/gpio.h> /* cansleep wrappers */

#endif