linux/drivers/staging/media/starfive/camss/stf-isp.c

// SPDX-License-Identifier: GPL-2.0
/*
 * stf_isp.c
 *
 * StarFive Camera Subsystem - ISP Module
 *
 * Copyright (C) 2021-2023 StarFive Technology Co., Ltd.
 */
#include <media/v4l2-rect.h>

#include "stf-camss.h"

static int isp_set_selection(struct v4l2_subdev *sd,
			     struct v4l2_subdev_state *state,
			     struct v4l2_subdev_selection *sel);

static const struct stf_isp_format isp_formats_sink[] = …;

static const struct stf_isp_format isp_formats_source[] = …;

static const struct stf_isp_format_table isp_formats_st7110[] = …;

static const struct stf_isp_format *
stf_g_fmt_by_mcode(const struct stf_isp_format_table *fmt_table, u32 mcode)
{ … }

int stf_isp_init(struct stfcamss *stfcamss)
{ … }

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

static void isp_try_format(struct stf_isp_dev *isp_dev,
			   struct v4l2_subdev_state *state,
			   unsigned int pad,
			   struct v4l2_mbus_framefmt *fmt)
{ … }

static int isp_enum_mbus_code(struct v4l2_subdev *sd,
			      struct v4l2_subdev_state *state,
			      struct v4l2_subdev_mbus_code_enum *code)
{ … }

static int isp_set_format(struct v4l2_subdev *sd,
			  struct v4l2_subdev_state *state,
			  struct v4l2_subdev_format *fmt)
{ … }

static const struct v4l2_rect stf_frame_min_crop = …;

static void isp_try_crop(struct stf_isp_dev *isp_dev,
			 struct v4l2_subdev_state *state,
			 struct v4l2_rect *crop)
{ … }

static int isp_get_selection(struct v4l2_subdev *sd,
			     struct v4l2_subdev_state *state,
			     struct v4l2_subdev_selection *sel)
{ … }

static int isp_set_selection(struct v4l2_subdev *sd,
			     struct v4l2_subdev_state *state,
			     struct v4l2_subdev_selection *sel)
{ … }

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

static const struct v4l2_subdev_video_ops isp_video_ops = …;

static const struct v4l2_subdev_pad_ops isp_pad_ops = …;

static const struct v4l2_subdev_ops isp_v4l2_ops = …;

static const struct v4l2_subdev_internal_ops isp_internal_ops = …;

static const struct media_entity_operations isp_media_ops = …;

int stf_isp_register(struct stf_isp_dev *isp_dev, struct v4l2_device *v4l2_dev)
{ … }

int stf_isp_unregister(struct stf_isp_dev *isp_dev)
{ … }