/**
|
* Copyright (C) 2016 Philippe Gerum <rpm@xenomai.org>
|
*
|
* Xenomai 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
*/
|
#ifndef _COBALT_RTDM_GPIO_H
|
#define _COBALT_RTDM_GPIO_H
|
|
#include <linux/list.h>
|
#include <rtdm/driver.h>
|
#include <rtdm/uapi/gpio.h>
|
|
struct class;
|
struct device_node;
|
struct gpio_desc;
|
|
struct rtdm_gpio_pin {
|
struct rtdm_device dev;
|
struct list_head next;
|
rtdm_irq_t irqh;
|
rtdm_event_t event;
|
char *name;
|
struct gpio_desc *desc;
|
nanosecs_abs_t timestamp;
|
bool monotonic_timestamp;
|
};
|
|
struct rtdm_gpio_chip {
|
struct gpio_chip *gc;
|
struct rtdm_driver driver;
|
struct class *devclass;
|
struct list_head next;
|
rtdm_lock_t lock;
|
struct rtdm_gpio_pin pins[0];
|
};
|
|
int rtdm_gpiochip_add(struct rtdm_gpio_chip *rgc,
|
struct gpio_chip *gc,
|
int gpio_subclass);
|
|
struct rtdm_gpio_chip *
|
rtdm_gpiochip_alloc(struct gpio_chip *gc,
|
int gpio_subclass);
|
|
void rtdm_gpiochip_remove(struct rtdm_gpio_chip *rgc);
|
|
int rtdm_gpiochip_add_by_name(struct rtdm_gpio_chip *rgc,
|
const char *label, int gpio_subclass);
|
|
int rtdm_gpiochip_post_event(struct rtdm_gpio_chip *rgc,
|
unsigned int offset);
|
|
int rtdm_gpiochip_find(struct device_node *from, const char *label, int type);
|
|
int rtdm_gpiochip_array_find(struct device_node *from, const char *label[],
|
int nentries, int type);
|
|
#ifdef CONFIG_OF
|
|
int rtdm_gpiochip_scan_of(struct device_node *from,
|
const char *compat, int type);
|
|
int rtdm_gpiochip_scan_array_of(struct device_node *from,
|
const char *compat[],
|
int nentries, int type);
|
#endif
|
|
void rtdm_gpiochip_remove_by_type(int type);
|
|
#endif /* !_COBALT_RTDM_GPIO_H */
|
