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/*
* 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 */
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