linux/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2013--2024 Intel Corporation
 */

#include <linux/bug.h>
#include <linux/device.h>
#include <linux/minmax.h>

#include <media/media-entity.h>
#include <media/mipi-csi2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>

#include "ipu6-bus.h"
#include "ipu6-isys.h"
#include "ipu6-isys-subdev.h"

unsigned int ipu6_isys_mbus_code_to_bpp(u32 code)
{ … }

unsigned int ipu6_isys_mbus_code_to_mipi(u32 code)
{ … }

bool ipu6_isys_is_bayer_format(u32 code)
{ … }

u32 ipu6_isys_convert_bayer_order(u32 code, int x, int y)
{ … }

int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
			     struct v4l2_subdev_state *state,
			     struct v4l2_subdev_format *format)
{ … }

int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
				    struct v4l2_subdev_state *state,
				    struct v4l2_subdev_mbus_code_enum *code)
{ … }

static int subdev_set_routing(struct v4l2_subdev *sd,
			      struct v4l2_subdev_state *state,
			      struct v4l2_subdev_krouting *routing)
{ … }

int ipu6_isys_get_stream_pad_fmt(struct v4l2_subdev *sd, u32 pad, u32 stream,
				 struct v4l2_mbus_framefmt *format)
{ … }

int ipu6_isys_get_stream_pad_crop(struct v4l2_subdev *sd, u32 pad, u32 stream,
				  struct v4l2_rect *crop)
{ … }

u32 ipu6_isys_get_src_stream_by_src_pad(struct v4l2_subdev *sd, u32 pad)
{ … }

static int ipu6_isys_subdev_init_state(struct v4l2_subdev *sd,
				       struct v4l2_subdev_state *state)
{ … }

int ipu6_isys_subdev_set_routing(struct v4l2_subdev *sd,
				 struct v4l2_subdev_state *state,
				 enum v4l2_subdev_format_whence which,
				 struct v4l2_subdev_krouting *routing)
{ … }

static const struct v4l2_subdev_internal_ops ipu6_isys_subdev_internal_ops = …;

int ipu6_isys_subdev_init(struct ipu6_isys_subdev *asd,
			  const struct v4l2_subdev_ops *ops,
			  unsigned int nr_ctrls,
			  unsigned int num_sink_pads,
			  unsigned int num_source_pads)
{ … }

void ipu6_isys_subdev_cleanup(struct ipu6_isys_subdev *asd)
{ … }