diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/hive_isp_css_include/host/event_fifo_public.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/hive_isp_css_include/host/event_fifo_public.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_include/host/event_fifo_public.h b/drivers/staging/media/atomisp/pci/hive_isp_css_include/host/event_fifo_public.h new file mode 100644 index 0000000000..22f1875f03 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/hive_isp_css_include/host/event_fifo_public.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 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 __EVENT_FIFO_PUBLIC_H +#define __EVENT_FIFO_PUBLIC_H + +#include <type_support.h> +#include "system_local.h" + +/*! Blocking read from an event source EVENT[ID] + + \param ID[in] EVENT identifier + + \return none, dequeue(event_queue[ID]) + */ +STORAGE_CLASS_EVENT_H void event_wait_for( + const event_ID_t ID); + +/*! Conditional blocking wait for an event source EVENT[ID] + + \param ID[in] EVENT identifier + \param cnd[in] predicate + + \return none, if(cnd) dequeue(event_queue[ID]) + */ +STORAGE_CLASS_EVENT_H void cnd_event_wait_for( + const event_ID_t ID, + const bool cnd); + +/*! Blocking read from an event source EVENT[ID] + + \param ID[in] EVENT identifier + + \return dequeue(event_queue[ID]) + */ +STORAGE_CLASS_EVENT_H hrt_data event_receive_token( + const event_ID_t ID); + +/*! Blocking write to an event sink EVENT[ID] + + \param ID[in] EVENT identifier + \param token[in] token to be written on the event + + \return none, enqueue(event_queue[ID]) + */ +STORAGE_CLASS_EVENT_H void event_send_token( + const event_ID_t ID, + const hrt_data token); + +/*! Query an event source EVENT[ID] + + \param ID[in] EVENT identifier + + \return !isempty(event_queue[ID]) + */ +STORAGE_CLASS_EVENT_H bool is_event_pending( + const event_ID_t ID); + +/*! Query an event sink EVENT[ID] + + \param ID[in] EVENT identifier + + \return !isfull(event_queue[ID]) + */ +STORAGE_CLASS_EVENT_H bool can_event_send_token( + const event_ID_t ID); + +#endif /* __EVENT_FIFO_PUBLIC_H */ |