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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_ISYS_COMM_H
#define __IA_CSS_ISYS_COMM_H
#include <type_support.h>
#include <input_system.h>
#ifdef USE_INPUT_SYSTEM_VERSION_2401
#include <platform_support.h> /* inline */
#include <input_system_global.h>
#include <ia_css_stream_public.h> /* IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH */
#define SH_CSS_NODES_PER_THREAD 2
#define SH_CSS_MAX_ISYS_CHANNEL_NODES (SH_CSS_MAX_SP_THREADS * SH_CSS_NODES_PER_THREAD)
/*
* a) ia_css_isys_stream_h & ia_css_isys_stream_cfg_t come from host.
*
* b) Here it is better to use actual structures for stream handle
* instead of opaque handles. Otherwise, we need to have another
* communication channel to interpret that opaque handle(this handle is
* maintained by host and needs to be populated to sp for every stream open)
* */
typedef virtual_input_system_stream_t *ia_css_isys_stream_h;
typedef virtual_input_system_stream_cfg_t ia_css_isys_stream_cfg_t;
/*
* error check for ISYS APIs.
* */
typedef bool ia_css_isys_error_t;
static inline uint32_t ia_css_isys_generate_stream_id(
u32 sp_thread_id,
uint32_t stream_id)
{
return sp_thread_id * IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH + stream_id;
}
#endif /* USE_INPUT_SYSTEM_VERSION_2401*/
#endif /*_IA_CSS_ISYS_COMM_H */
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