| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * 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 ISP2401 |
| #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 /* ISP2401*/ |
| #endif /*_IA_CSS_ISYS_COMM_H */ |
