66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
|
|
* 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 dev 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 *dev,
|
|
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(dev, cb, evt);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* ZEPHYR_DRIVERS_ESPI_UTILS_H_ */
|