gpio_intc_stm32.h

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/*
 * Copyright (c) 2016 Open-RnD Sp. z o.o.
 * Copyright (c) 2024 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_GPIO_INTC_STM32_H_
#define ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_GPIO_INTC_STM32_H_
 
#include <zephyr/types.h>
#include <zephyr/drivers/gpio.h>
 
typedef uint32_t stm32_gpio_irq_line_t;
 
stm32_gpio_irq_line_t stm32_gpio_intc_get_pin_irq_line(uint32_t port, gpio_pin_t pin);
 
void stm32_gpio_intc_enable_line(stm32_gpio_irq_line_t line);
 
void stm32_gpio_intc_disable_line(stm32_gpio_irq_line_t line);
 
enum stm32_gpio_irq_trigger {
        /* No trigger */
        STM32_GPIO_IRQ_TRIG_NONE  = 0x0,
        /* Trigger on rising edge */
        STM32_GPIO_IRQ_TRIG_RISING  = 0x1,
        /* Trigger on falling edge */
        STM32_GPIO_IRQ_TRIG_FALLING = 0x2,
        /* Trigger on both rising and falling edge */
        STM32_GPIO_IRQ_TRIG_BOTH = 0x3,
        /* Trigger on high level */
        STM32_GPIO_IRQ_TRIG_HIGH_LEVEL = 0x4,
        /* Trigger on low level */
        STM32_GPIO_IRQ_TRIG_LOW_LEVEL = 0x5
};
 
void stm32_gpio_intc_select_line_trigger(stm32_gpio_irq_line_t line, uint32_t trg);
 
typedef void (*stm32_gpio_irq_cb_t)(gpio_port_pins_t pin, void *user);
 
int stm32_gpio_intc_set_irq_callback(stm32_gpio_irq_line_t line,
                                        stm32_gpio_irq_cb_t cb, void *data);
 
void stm32_gpio_intc_remove_irq_callback(stm32_gpio_irq_line_t line);
 
#if defined(CONFIG_EXTI_STM32)  /* EXTI-specific extensions */
void stm32_exti_set_line_src_port(gpio_pin_t line, uint32_t port);
 
uint32_t stm32_exti_get_line_src_port(gpio_pin_t pin);
#endif /* CONFIG_EXTI_STM32 */
 
#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_GPIO_INTC_STM32_H_ */