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