1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2010 - 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 #ifndef __IA_CSS_ISYS_COMM_H 17 #define __IA_CSS_ISYS_COMM_H 18 19 #include <type_support.h> 20 #include <input_system.h> 21 22 #ifdef ISP2401 23 #include <platform_support.h> /* inline */ 24 #include <input_system_global.h> 25 #include <ia_css_stream_public.h> /* IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH */ 26 27 #define SH_CSS_NODES_PER_THREAD 2 28 #define SH_CSS_MAX_ISYS_CHANNEL_NODES (SH_CSS_MAX_SP_THREADS * SH_CSS_NODES_PER_THREAD) 29 30 /* 31 * a) ia_css_isys_stream_h & ia_css_isys_stream_cfg_t come from host. 32 * 33 * b) Here it is better to use actual structures for stream handle 34 * instead of opaque handles. Otherwise, we need to have another 35 * communication channel to interpret that opaque handle(this handle is 36 * maintained by host and needs to be populated to sp for every stream open) 37 * */ 38 typedef virtual_input_system_stream_t *ia_css_isys_stream_h; 39 typedef virtual_input_system_stream_cfg_t ia_css_isys_stream_cfg_t; 40 41 /* 42 * error check for ISYS APIs. 43 * */ 44 typedef bool ia_css_isys_error_t; 45 46 static inline uint32_t ia_css_isys_generate_stream_id( 47 u32 sp_thread_id, 48 uint32_t stream_id) 49 { 50 return sp_thread_id * IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH + stream_id; 51 } 52 53 #endif /* ISP2401*/ 54 #endif /*_IA_CSS_ISYS_COMM_H */ 55