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/*
* Copyright (C) 1999 ARM Limited
* Copyright (C) 2009-2010 Freescale Semiconductor, Inc.
*
* 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 __ASM_ARCH_GPIO_H__
#define __ASM_ARCH_GPIO_H__
#include <mach/hardware.h>
#include <asm-generic/gpio.h>
#define GPIO_ID_NAME "gpio"
/* use gpiolib dispatchers */
#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
#define gpio_to_irq __gpio_to_irq
#define irq_to_gpio(irq) ((irq) - MXS_GPIO_IRQ_START)
struct mxs_gpio_port;
struct mxs_gpio_chip {
int (*set_dir) (struct mxs_gpio_port *, int, unsigned int);
int (*get) (struct mxs_gpio_port *, int);
void (*set) (struct mxs_gpio_port *, int, int);
unsigned int (*get_irq_stat) (struct mxs_gpio_port *);
int (*set_irq_type) (struct mxs_gpio_port *, int, unsigned int);
void (*unmask_irq) (struct mxs_gpio_port *, int);
void (*mask_irq) (struct mxs_gpio_port *, int);
void (*ack_irq) (struct mxs_gpio_port *, int);
};
struct mxs_gpio_port {
int id;
int irq;
int child_irq;
struct mxs_gpio_chip *chip;
struct gpio_chip port;
};
extern int mxs_add_gpio_port(struct mxs_gpio_port *port);
static inline void
mxs_set_gpio_chip(struct mxs_gpio_port *port, struct mxs_gpio_chip *chip)
{
if (port && chip)
port->chip = chip;
}
#endif /* __ASM_ARCH_GPIO_H__ */
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