linux/drivers/staging/media/atomisp/pci/camera/util/src/util.c

// SPDX-License-Identifier: GPL-2.0
/*
 * 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.
 */

#include "ia_css_util.h"
#include <ia_css_frame.h>
#include <assert_support.h>
#include <math_support.h>

/* for ia_css_binary_max_vf_width() */
#include "ia_css_binary.h"

/* MW: Table look-up ??? */
unsigned int ia_css_util_input_format_bpp(
    enum atomisp_input_format format,
    bool two_ppc)
{ … }

int ia_css_util_check_vf_info(
    const struct ia_css_frame_info *const info)
{ … }

int ia_css_util_check_vf_out_info(
    const struct ia_css_frame_info *const out_info,
    const struct ia_css_frame_info *const vf_info)
{ … }

/* ISP2401 */
bool ia_css_util_res_leq(struct ia_css_resolution a, struct ia_css_resolution b)
{ … }

/* ISP2401 */
bool ia_css_util_resolution_is_zero(const struct ia_css_resolution resolution)
{ … }

int ia_css_util_check_res(unsigned int width, unsigned int height)
{ … }

bool ia_css_util_is_input_format_raw(enum atomisp_input_format format)
{ … }

bool ia_css_util_is_input_format_yuv(enum atomisp_input_format format)
{ … }

int ia_css_util_check_input(
    const struct ia_css_stream_config *const stream_config,
    bool must_be_raw,
    bool must_be_yuv)
{ … }