/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Support for Intel Camera Imaging ISP subsystem.
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* Copyright (c) 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __IA_CSS_UTIL_H__
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#define __IA_CSS_UTIL_H__
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#include <linux/errno.h>
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#include <ia_css_err.h>
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#include <type_support.h>
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#include <ia_css_frame_public.h>
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#include <ia_css_stream_public.h>
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#include <ia_css_stream_format.h>
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/* @brief convert "errno" error code to "ia_css_err" error code
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*
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* @param[in] "errno" error code
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* @return "ia_css_err" error code
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*
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*/
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int ia_css_convert_errno(
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int in_err);
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/* @brief check vf frame info.
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*
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* @param[in] info
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* @return 0 or error code upon error.
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*
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*/
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int ia_css_util_check_vf_info(
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const struct ia_css_frame_info *const info);
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/* @brief check input configuration.
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*
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* @param[in] stream_config
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* @param[in] must_be_raw
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* @return 0 or error code upon error.
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*
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*/
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int ia_css_util_check_input(
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const struct ia_css_stream_config *const stream_config,
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bool must_be_raw,
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bool must_be_yuv);
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/* @brief check vf and out frame info.
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*
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* @param[in] out_info
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* @param[in] vf_info
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* @return 0 or error code upon error.
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*
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*/
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int ia_css_util_check_vf_out_info(
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const struct ia_css_frame_info *const out_info,
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const struct ia_css_frame_info *const vf_info);
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/* @brief check width and height
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*
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* @param[in] width
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* @param[in] height
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* @return 0 or error code upon error.
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*
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*/
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int ia_css_util_check_res(
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unsigned int width,
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unsigned int height);
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/* ISP2401 */
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/* @brief compare resolutions (less or equal)
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*
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* @param[in] a resolution
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* @param[in] b resolution
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* @return true if both dimensions of a are less or
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* equal than those of b, false otherwise
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*
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*/
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bool ia_css_util_res_leq(
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struct ia_css_resolution a,
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struct ia_css_resolution b);
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/* ISP2401 */
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/**
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* @brief Check if resolution is zero
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*
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* @param[in] resolution The resolution to check
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*
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* @returns true if resolution is zero
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*/
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bool ia_css_util_resolution_is_zero(
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const struct ia_css_resolution resolution);
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/* ISP2401 */
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/**
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* @brief Check if resolution is even
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*
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* @param[in] resolution The resolution to check
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*
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* @returns true if resolution is even
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*/
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bool ia_css_util_resolution_is_even(
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const struct ia_css_resolution resolution);
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/* @brief check width and height
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*
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* @param[in] stream_format
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* @param[in] two_ppc
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* @return bits per pixel based on given parameters.
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*
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*/
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unsigned int ia_css_util_input_format_bpp(
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enum atomisp_input_format stream_format,
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bool two_ppc);
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/* @brief check if input format it raw
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*
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* @param[in] stream_format
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* @return true if the input format is raw or false otherwise
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*
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*/
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bool ia_css_util_is_input_format_raw(
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enum atomisp_input_format stream_format);
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/* @brief check if input format it yuv
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*
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* @param[in] stream_format
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* @return true if the input format is yuv or false otherwise
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*
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*/
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bool ia_css_util_is_input_format_yuv(
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enum atomisp_input_format stream_format);
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#endif /* __IA_CSS_UTIL_H__ */
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