linux/drivers/media/test-drivers/vimc/vimc-debayer.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * vimc-debayer.c Virtual Media Controller Driver
 *
 * Copyright (C) 2015-2017 Helen Koike <[email protected]>
 */

#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/vmalloc.h>
#include <linux/v4l2-mediabus.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include <media/v4l2-subdev.h>

#include "vimc-common.h"

/* TODO: Add support for more output formats, we only support RGB888 for now. */
#define VIMC_DEBAYER_SOURCE_MBUS_FMT …

enum vimc_debayer_rgb_colors { … };

struct vimc_debayer_pix_map { … };

struct vimc_debayer_device { … };

static const struct v4l2_mbus_framefmt sink_fmt_default = …;

static const u32 vimc_debayer_src_mbus_codes[] = …;

static const struct vimc_debayer_pix_map vimc_debayer_pix_map_list[] = …;

static const struct vimc_debayer_pix_map *vimc_debayer_pix_map_by_code(u32 code)
{ … }

static bool vimc_debayer_src_code_is_valid(u32 code)
{ … }

static int vimc_debayer_init_state(struct v4l2_subdev *sd,
				   struct v4l2_subdev_state *sd_state)
{ … }

static int vimc_debayer_enum_mbus_code(struct v4l2_subdev *sd,
				       struct v4l2_subdev_state *sd_state,
				       struct v4l2_subdev_mbus_code_enum *code)
{ … }

static int vimc_debayer_enum_frame_size(struct v4l2_subdev *sd,
					struct v4l2_subdev_state *sd_state,
					struct v4l2_subdev_frame_size_enum *fse)
{ … }

static void vimc_debayer_adjust_sink_fmt(struct v4l2_mbus_framefmt *fmt)
{ … }

static int vimc_debayer_set_fmt(struct v4l2_subdev *sd,
				struct v4l2_subdev_state *sd_state,
				struct v4l2_subdev_format *fmt)
{ … }

static const struct v4l2_subdev_pad_ops vimc_debayer_pad_ops = …;

static void vimc_debayer_process_rgb_frame(struct vimc_debayer_device *vdebayer,
					   unsigned int lin,
					   unsigned int col,
					   unsigned int rgb[3])
{ … }

static int vimc_debayer_s_stream(struct v4l2_subdev *sd, int enable)
{ … }

static const struct v4l2_subdev_core_ops vimc_debayer_core_ops = …;

static const struct v4l2_subdev_video_ops vimc_debayer_video_ops = …;

static const struct v4l2_subdev_ops vimc_debayer_ops = …;

static const struct v4l2_subdev_internal_ops vimc_debayer_internal_ops = …;

static unsigned int vimc_debayer_get_val(const u8 *bytes,
					 const unsigned int n_bytes)
{ … }

static void vimc_debayer_calc_rgb_sink(struct vimc_debayer_device *vdebayer,
				       const u8 *frame,
				       const unsigned int lin,
				       const unsigned int col,
				       unsigned int rgb[3])
{ … }

static void *vimc_debayer_process_frame(struct vimc_ent_device *ved,
					const void *sink_frame)
{ … }

static int vimc_debayer_s_ctrl(struct v4l2_ctrl *ctrl)
{ … }

static const struct v4l2_ctrl_ops vimc_debayer_ctrl_ops = …;

static void vimc_debayer_release(struct vimc_ent_device *ved)
{ … }

static const struct v4l2_ctrl_config vimc_debayer_ctrl_class = …;

static const struct v4l2_ctrl_config vimc_debayer_ctrl_mean_win_size = …;

static struct vimc_ent_device *vimc_debayer_add(struct vimc_device *vimc,
						const char *vcfg_name)
{ … }

const struct vimc_ent_type vimc_debayer_type = …;