diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/ia_css_mipi.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/ia_css_mipi.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/ia_css_mipi.h b/drivers/staging/media/atomisp/pci/ia_css_mipi.h new file mode 100644 index 000000000000..c02138ee2511 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/ia_css_mipi.h @@ -0,0 +1,82 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 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_MIPI_H +#define __IA_CSS_MIPI_H + +/* @file + * This file contains MIPI support functionality + */ + +#include <type_support.h> +#include "ia_css_err.h" +#include "ia_css_stream_format.h" +#include "ia_css_input_port.h" + +/* Backward compatible for CSS API 2.0 only + * TO BE REMOVED when all drivers move to CSS API 2.1. + */ +/* @brief Specify a CSS MIPI frame buffer. + * + * @param[in] size_mem_words The frame size in memory words (32B). + * @param[in] contiguous Allocate memory physically contiguously or not. + * @return The error code. + * + * \deprecated{Use ia_css_mipi_buffer_config instead.} + * + * Specifies a CSS MIPI frame buffer: size in memory words (32B). + */ +enum ia_css_err +ia_css_mipi_frame_specify(const unsigned int size_mem_words, + const bool contiguous); + +#if !defined(HAS_NO_INPUT_SYSTEM) +/* @brief Register size of a CSS MIPI frame for check during capturing. + * + * @param[in] port CSI-2 port this check is registered. + * @param[in] size_mem_words The frame size in memory words (32B). + * @return Return the error in case of failure. E.g. MAX_NOF_ENTRIES REACHED + * + * Register size of a CSS MIPI frame to check during capturing. Up to + * IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES entries per port allowed. Entries are reset + * when stream is stopped. + * + * + */ +enum ia_css_err +ia_css_mipi_frame_enable_check_on_size(const enum mipi_port_id port, + const unsigned int size_mem_words); +#endif + +/* @brief Calculate the size of a mipi frame. + * + * @param[in] width The width (in pixels) of the frame. + * @param[in] height The height (in lines) of the frame. + * @param[in] format The frame (MIPI) format. + * @param[in] hasSOLandEOL Whether frame (MIPI) contains (optional) SOL and EOF packets. + * @param[in] embedded_data_size_words Embedded data size in memory words. + * @param size_mem_words The mipi frame size in memory words (32B). + * @return The error code. + * + * Calculate the size of a mipi frame, based on the resolution and format. + */ +enum ia_css_err +ia_css_mipi_frame_calculate_size(const unsigned int width, + const unsigned int height, + const enum atomisp_input_format format, + const bool hasSOLandEOL, + const unsigned int embedded_data_size_words, + unsigned int *size_mem_words); + +#endif /* __IA_CSS_MIPI_H */ |