| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2010 - 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef _IA_CSS_EVENTQ_H |
| #define _IA_CSS_EVENTQ_H |
| |
| #include "ia_css_queue.h" /* queue APIs */ |
| |
| /** |
| * @brief HOST receives event from SP. |
| * |
| * @param[in] eventq_handle eventq_handle. |
| * @param[in] payload The event payload. |
| * @return 0 - Successfully dequeue. |
| * @return -EINVAL - Invalid argument. |
| * @return -ENODATA - Queue is empty. |
| */ |
| int ia_css_eventq_recv( |
| ia_css_queue_t *eventq_handle, |
| uint8_t *payload); |
| |
| /** |
| * @brief The Host sends the event to SP. |
| * The caller of this API will be blocked until the event |
| * is sent. |
| * |
| * @param[in] eventq_handle eventq_handle. |
| * @param[in] evt_id The event ID. |
| * @param[in] evt_payload_0 The event payload. |
| * @param[in] evt_payload_1 The event payload. |
| * @param[in] evt_payload_2 The event payload. |
| * @return 0 - Successfully enqueue. |
| * @return -EINVAL - Invalid argument. |
| * @return -ENOBUFS - Queue is full. |
| */ |
| int ia_css_eventq_send( |
| ia_css_queue_t *eventq_handle, |
| u8 evt_id, |
| u8 evt_payload_0, |
| u8 evt_payload_1, |
| uint8_t evt_payload_2); |
| #endif /* _IA_CSS_EVENTQ_H */ |
