/* 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_QUEUE_COMM_H #define __IA_CSS_QUEUE_COMM_H #include "type_support.h" #include "ia_css_circbuf.h" /***************************************************************************** * Queue Public Data Structures *****************************************************************************/ /* Queue location specifier */ /* Avoiding enums to save space */ #define IA_CSS_QUEUE_LOC_HOST … #define IA_CSS_QUEUE_LOC_SP … #define IA_CSS_QUEUE_LOC_ISP … /* Queue type specifier */ /* Avoiding enums to save space */ #define IA_CSS_QUEUE_TYPE_LOCAL … #define IA_CSS_QUEUE_TYPE_REMOTE … /* for DDR Allocated queues, allocate minimum these many elements. DDR->SP' DMEM DMA transfer needs 32byte aligned address. Since each element size is 4 bytes, 8 elements need to be DMAed to access single element.*/ #define IA_CSS_MIN_ELEM_COUNT … #define IA_CSS_DMA_XFER_MASK … /* Remote Queue object descriptor */ struct ia_css_queue_remote { … }; ia_css_queue_remote_t; #endif /* __IA_CSS_QUEUE_COMM_H */