1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
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.
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
16 #ifndef __IA_CSS_MIPI_H
17 #define __IA_CSS_MIPI_H
20 * This file contains MIPI support functionality
23 #include <type_support.h>
24 #include "ia_css_err.h"
25 #include "ia_css_stream_format.h"
26 #include "ia_css_input_port.h"
28 /* @brief Register size of a CSS MIPI frame for check during capturing.
30 * @param[in] port CSI-2 port this check is registered.
31 * @param[in] size_mem_words The frame size in memory words (32B).
32 * @return Return the error in case of failure. E.g. MAX_NOF_ENTRIES REACHED
34 * Register size of a CSS MIPI frame to check during capturing. Up to
35 * IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES entries per port allowed. Entries are reset
36 * when stream is stopped.
41 ia_css_mipi_frame_enable_check_on_size(const enum mipi_port_id port,
42 const unsigned int size_mem_words);
44 /* @brief Calculate the size of a mipi frame.
46 * @param[in] width The width (in pixels) of the frame.
47 * @param[in] height The height (in lines) of the frame.
48 * @param[in] format The frame (MIPI) format.
49 * @param[in] hasSOLandEOL Whether frame (MIPI) contains (optional) SOL and EOF packets.
50 * @param[in] embedded_data_size_words Embedded data size in memory words.
51 * @param size_mem_words The mipi frame size in memory words (32B).
52 * @return The error code.
54 * Calculate the size of a mipi frame, based on the resolution and format.
57 ia_css_mipi_frame_calculate_size(const unsigned int width,
58 const unsigned int height,
59 const enum atomisp_input_format format,
60 const bool hasSOLandEOL,
61 const unsigned int embedded_data_size_words,
62 unsigned int *size_mem_words);
64 #endif /* __IA_CSS_MIPI_H */