/* * Copyright (c) 2019 Intel Corporation. * * SPDX-License-Identifier: Apache-2.0 */ /** * @file Header with definitions for eSPI drivers callback functions */ #ifndef ZEPHYR_DRIVERS_ESPI_UTILS_H_ #define ZEPHYR_DRIVERS_ESPI_UTILS_H_ /** * @brief Generic function to insert or remove a callback from a callback list. * * @param callbacks A pointer to the original list of callbacks (can be NULL). * @param callback A pointer of the callback to insert or remove from the list. * @param set A boolean indicating insertion or removal of the callback. * * @return 0 on success, negative errno otherwise. */ static inline int espi_manage_callback(sys_slist_t *callbacks, struct espi_callback *callback, bool set) { __ASSERT(callback, "No callback!"); __ASSERT(callback->handler, "No callback handler!"); if (!sys_slist_is_empty(callbacks)) { if (!sys_slist_find_and_remove(callbacks, &callback->node)) { if (!set) { return -EINVAL; } } } if (set) { sys_slist_prepend(callbacks, &callback->node); } return 0; } /** * @brief Generic function to go through and fire callback from a callback list. * * @param list A pointer on the espi callback list. * @param device A pointer on the espi driver instance. * @param pins The details on the event that triggered the callback. */ static inline void espi_send_callbacks(sys_slist_t *list, const struct device *device, struct espi_event evt) { struct espi_callback *cb, *tmp; SYS_SLIST_FOR_EACH_CONTAINER_SAFE(list, cb, tmp, node) { if (cb->evt_type & evt.evt_type) { __ASSERT(cb->handler, "No callback handler!"); cb->handler(device, cb, evt); } } } #endif /* ZEPHYR_DRIVERS_ESPI_UTILS_H_ */