frame.c | Explore in Territory

// 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 "hmm.h"

#include "ia_css_frame.h"
#include <math_support.h>
#include "assert_support.h"
#include "ia_css_debug.h"
#include "isp.h"
#include "sh_css_internal.h"
#include "atomisp_internal.h"

#define NV12_TILEY_TILE_WIDTH …
#define NV12_TILEY_TILE_HEIGHT …

/**************************************************************************
**	Static functions declarations
**************************************************************************/
static void frame_init_plane(struct ia_css_frame_plane *plane,
			     unsigned int width,
			     unsigned int stride,
			     unsigned int height,
			     unsigned int offset);

static void frame_init_single_plane(struct ia_css_frame *frame,
				    struct ia_css_frame_plane *plane,
				    unsigned int height,
				    unsigned int subpixels_per_line,
				    unsigned int bytes_per_pixel);

static void frame_init_raw_single_plane(
    struct ia_css_frame *frame,
    struct ia_css_frame_plane *plane,
    unsigned int height,
    unsigned int subpixels_per_line,
    unsigned int bits_per_pixel);

static void frame_init_nv_planes(struct ia_css_frame *frame,
				 unsigned int horizontal_decimation,
				 unsigned int vertical_decimation,
				 unsigned int bytes_per_element);

static void frame_init_yuv_planes(struct ia_css_frame *frame,
				  unsigned int horizontal_decimation,
				  unsigned int vertical_decimation,
				  bool swap_uv,
				  unsigned int bytes_per_element);

static void frame_init_rgb_planes(struct ia_css_frame *frame,
				  unsigned int bytes_per_element);

static void frame_init_qplane6_planes(struct ia_css_frame *frame);

static int frame_allocate_buffer_data(struct ia_css_frame *frame);

static int frame_allocate_with_data(struct ia_css_frame **frame,
	unsigned int width,
	unsigned int height,
	enum ia_css_frame_format format,
	unsigned int padded_width,
	unsigned int raw_bit_depth);

static struct ia_css_frame *frame_create(unsigned int width,
	unsigned int height,
	enum ia_css_frame_format format,
	unsigned int padded_width,
	unsigned int raw_bit_depth,
	bool valid);

static unsigned
ia_css_elems_bytes_from_info(
    const struct ia_css_frame_info *info);

/**************************************************************************
**	CSS API functions, exposed by ia_css.h
**************************************************************************/

int ia_css_frame_allocate_from_info(struct ia_css_frame **frame,
	const struct ia_css_frame_info *info)
{ … }

int ia_css_frame_allocate(struct ia_css_frame **frame,
				      unsigned int width,
				      unsigned int height,
				      enum ia_css_frame_format format,
				      unsigned int padded_width,
				      unsigned int raw_bit_depth)
{ … }

void ia_css_frame_free(struct ia_css_frame *frame)
{ … }

/**************************************************************************
**	Module public functions
**************************************************************************/

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

int ia_css_frame_init_planes(struct ia_css_frame *frame)
{ … }

unsigned int ia_css_frame_pad_width(unsigned int width, enum ia_css_frame_format format)
{ … }

void ia_css_frame_info_set_width(struct ia_css_frame_info *info,
				 unsigned int width,
				 unsigned int min_padded_width)
{ … }

void ia_css_frame_info_set_format(struct ia_css_frame_info *info,
				  enum ia_css_frame_format format)
{ … }

void ia_css_frame_info_init(struct ia_css_frame_info *info,
			    unsigned int width,
			    unsigned int height,
			    enum ia_css_frame_format format,
			    unsigned int aligned)
{ … }

void ia_css_frame_free_multiple(unsigned int num_frames,
				struct ia_css_frame **frames_array)
{ … }

int ia_css_frame_allocate_with_buffer_size(struct ia_css_frame **frame,
					   const unsigned int buffer_size_bytes)
{ … }

bool ia_css_frame_info_is_same_resolution(
    const struct ia_css_frame_info *info_a,
    const struct ia_css_frame_info *info_b)
{ … }

bool ia_css_frame_is_same_type(const struct ia_css_frame *frame_a,
			       const struct ia_css_frame *frame_b)
{ … }

int ia_css_dma_configure_from_info(struct dma_port_config *config,
				   const struct ia_css_frame_info *info)
{ … }

/**************************************************************************
**	Static functions
**************************************************************************/

static void frame_init_plane(struct ia_css_frame_plane *plane,
			     unsigned int width,
			     unsigned int stride,
			     unsigned int height,
			     unsigned int offset)
{ … }

static void frame_init_single_plane(struct ia_css_frame *frame,
				    struct ia_css_frame_plane *plane,
				    unsigned int height,
				    unsigned int subpixels_per_line,
				    unsigned int bytes_per_pixel)
{ … }

static void frame_init_raw_single_plane(
    struct ia_css_frame *frame,
    struct ia_css_frame_plane *plane,
    unsigned int height,
    unsigned int subpixels_per_line,
    unsigned int bits_per_pixel)
{ … }

static void frame_init_nv_planes(struct ia_css_frame *frame,
				 unsigned int horizontal_decimation,
				 unsigned int vertical_decimation,
				 unsigned int bytes_per_element)
{ … }

static void frame_init_yuv_planes(struct ia_css_frame *frame,
				  unsigned int horizontal_decimation,
				  unsigned int vertical_decimation,
				  bool swap_uv,
				  unsigned int bytes_per_element)
{ … }

static void frame_init_rgb_planes(struct ia_css_frame *frame,
				  unsigned int bytes_per_element)
{ … }

static void frame_init_qplane6_planes(struct ia_css_frame *frame)
{ … }

static int frame_allocate_buffer_data(struct ia_css_frame *frame)
{ … }

static int frame_allocate_with_data(struct ia_css_frame **frame,
	unsigned int width,
	unsigned int height,
	enum ia_css_frame_format format,
	unsigned int padded_width,
	unsigned int raw_bit_depth)
{ … }

static struct ia_css_frame *frame_create(unsigned int width,
	unsigned int height,
	enum ia_css_frame_format format,
	unsigned int padded_width,
	unsigned int raw_bit_depth,
	bool valid)
{ … }

static unsigned
ia_css_elems_bytes_from_info(const struct ia_css_frame_info *info)
{ … }

void ia_css_frame_info_to_frame_sp_info(
    struct ia_css_frame_sp_info *to,
    const struct ia_css_frame_info *from)
{ … }

void ia_css_resolution_to_sp_resolution(
    struct ia_css_sp_resolution *to,
    const struct ia_css_resolution *from)
{ … }

int ia_css_frame_init_from_info(struct ia_css_frame *frame,
				const struct ia_css_frame_info *frame_info)
{ … }
linux/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c
