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/* shared_irq - Shared interrupt driver */ /* * Copyright (c) 2015 Intel corporation * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_SHARED_IRQ_H_ #define ZEPHYR_INCLUDE_SHARED_IRQ_H_ #include <autoconf.h> #ifdef __cplusplus extern "C" { #endif typedef int (*isr_t)(struct device *dev); /* driver API definition */ typedef int (*shared_irq_register_t)(struct device *dev, isr_t isr_func, struct device *isr_dev); typedef int (*shared_irq_enable_t)(struct device *dev, struct device *isr_dev); typedef int (*shared_irq_disable_t)(struct device *dev, struct device *isr_dev); struct shared_irq_driver_api { shared_irq_register_t isr_register; shared_irq_enable_t enable; shared_irq_disable_t disable; }; extern int shared_irq_initialize(struct device *port); typedef void (*shared_irq_config_irq_t)(void); struct shared_irq_config { u32_t irq_num; shared_irq_config_irq_t config; u32_t client_count; }; struct shared_irq_client { struct device *isr_dev; isr_t isr_func; u32_t enabled; }; struct shared_irq_runtime { struct shared_irq_client client[CONFIG_SHARED_IRQ_NUM_CLIENTS]; }; /** * @brief Register a device ISR * @param dev Pointer to device structure for SHARED_IRQ driver instance. * @param isr_func Pointer to the ISR function for the device. * @param isr_dev Pointer to the device that will service the interrupt. */ static inline int shared_irq_isr_register(struct device *dev, isr_t isr_func, struct device *isr_dev) { const struct shared_irq_driver_api *api = dev->driver_api; return api->isr_register(dev, isr_func, isr_dev); } /** * @brief Enable ISR for device * @param dev Pointer to device structure for SHARED_IRQ driver instance. * @param isr_dev Pointer to the device that will service the interrupt. */ static inline int shared_irq_enable(struct device *dev, struct device *isr_dev) { const struct shared_irq_driver_api *api = dev->driver_api; return api->enable(dev, isr_dev); } /** * @brief Disable ISR for device * @param dev Pointer to device structure for SHARED_IRQ driver instance. * @param isr_dev Pointer to the device that will service the interrupt. */ static inline int shared_irq_disable(struct device *dev, struct device *isr_dev) { const struct shared_irq_driver_api *api = dev->driver_api; return api->disable(dev, isr_dev); } #ifdef __cplusplus } #endif #endif /* ZEPHYR_INCLUDE_SHARED_IRQ_H_ */ |