gpio.h

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/*
 * Copyright (C) 2026 Kamil Lulko <kamil.lulko@gmail.com>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * This file is part of oveRTOS.
 */
 
#ifndef OVE_GPIO_H
#define OVE_GPIO_H
 
#include "ove/types.h"
#include "ove_config.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum {
    OVE_GPIO_MODE_INPUT = 0,     
    OVE_GPIO_MODE_OUTPUT_PP = 1, 
    OVE_GPIO_MODE_OUTPUT_OD = 2, 
} ove_gpio_mode_t;
 
typedef enum {
    OVE_GPIO_IRQ_RISING = 0x01,  
    OVE_GPIO_IRQ_FALLING = 0x02, 
    OVE_GPIO_IRQ_BOTH = 0x03,    
} ove_gpio_irq_mode_t;
 
typedef void (*ove_gpio_irq_cb)(unsigned int port, unsigned int pin, void *user_data);
 
#ifdef CONFIG_OVE_GPIO
 
int ove_gpio_configure(unsigned int port, unsigned int pin, ove_gpio_mode_t mode);
 
int ove_gpio_set(unsigned int port, unsigned int pin, int value);
 
int ove_gpio_get(unsigned int port, unsigned int pin);
 
int ove_gpio_irq_register(unsigned int port, unsigned int pin, ove_gpio_irq_mode_t mode,
              ove_gpio_irq_cb callback, void *user_data);
 
int ove_gpio_irq_enable(unsigned int port, unsigned int pin);
 
int ove_gpio_irq_disable(unsigned int port, unsigned int pin);
 
int ove_gpio_irq_unregister(unsigned int port, unsigned int pin);
 
#else /* !CONFIG_OVE_GPIO */
 
static inline int ove_gpio_configure(unsigned int port, unsigned int pin, ove_gpio_mode_t mode)
{
    (void)port;
    (void)pin;
    (void)mode;
    return OVE_ERR_NOT_SUPPORTED;
}
static inline int ove_gpio_set(unsigned int port, unsigned int pin, int value)
{
    (void)port;
    (void)pin;
    (void)value;
    return OVE_ERR_NOT_SUPPORTED;
}
static inline int ove_gpio_get(unsigned int port, unsigned int pin)
{
    (void)port;
    (void)pin;
    return OVE_ERR_NOT_SUPPORTED;
}
static inline int ove_gpio_irq_register(unsigned int port, unsigned int pin,
                    ove_gpio_irq_mode_t mode, ove_gpio_irq_cb callback,
                    void *user_data)
{
    (void)port;
    (void)pin;
    (void)mode;
    (void)callback;
    (void)user_data;
    return OVE_ERR_NOT_SUPPORTED;
}
static inline int ove_gpio_irq_enable(unsigned int port, unsigned int pin)
{
    (void)port;
    (void)pin;
    return OVE_ERR_NOT_SUPPORTED;
}
static inline int ove_gpio_irq_disable(unsigned int port, unsigned int pin)
{
    (void)port;
    (void)pin;
    return OVE_ERR_NOT_SUPPORTED;
}
 
#endif /* CONFIG_OVE_GPIO */
 
#ifdef __cplusplus
}
#endif
 
#endif /* OVE_GPIO_H */