/* 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_ISYS_COMM_H
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#define __IA_CSS_ISYS_COMM_H
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#include <type_support.h>
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#include <input_system.h>
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#ifdef ISP2401
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#include <platform_support.h> /* inline */
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#include <input_system_global.h>
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#include <ia_css_stream_public.h> /* IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH */
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#define SH_CSS_NODES_PER_THREAD 2
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#define SH_CSS_MAX_ISYS_CHANNEL_NODES (SH_CSS_MAX_SP_THREADS * SH_CSS_NODES_PER_THREAD)
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/*
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* a) ia_css_isys_stream_h & ia_css_isys_stream_cfg_t come from host.
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*
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* b) Here it is better to use actual structures for stream handle
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* instead of opaque handles. Otherwise, we need to have another
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* communication channel to interpret that opaque handle(this handle is
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* maintained by host and needs to be populated to sp for every stream open)
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* */
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typedef virtual_input_system_stream_t *ia_css_isys_stream_h;
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typedef virtual_input_system_stream_cfg_t ia_css_isys_stream_cfg_t;
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/*
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* error check for ISYS APIs.
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* */
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typedef bool ia_css_isys_error_t;
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static inline uint32_t ia_css_isys_generate_stream_id(
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u32 sp_thread_id,
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uint32_t stream_id)
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{
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return sp_thread_id * IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH + stream_id;
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}
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#endif /* ISP2401*/
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#endif /*_IA_CSS_ISYS_COMM_H */
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