linux/drivers/media/platform/renesas/vsp1/vsp1_sru.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * vsp1_sru.c  --  R-Car VSP1 Super Resolution Unit
 *
 * Copyright (C) 2013 Renesas Corporation
 *
 * Contact: Laurent Pinchart ([email protected])
 */

#include <linux/device.h>
#include <linux/gfp.h>

#include <media/v4l2-subdev.h>

#include "vsp1.h"
#include "vsp1_dl.h"
#include "vsp1_pipe.h"
#include "vsp1_sru.h"

#define SRU_MIN_SIZE …
#define SRU_MAX_SIZE …

/* -----------------------------------------------------------------------------
 * Device Access
 */

static inline void vsp1_sru_write(struct vsp1_sru *sru,
				  struct vsp1_dl_body *dlb, u32 reg, u32 data)
{ … }

/* -----------------------------------------------------------------------------
 * Controls
 */

#define V4L2_CID_VSP1_SRU_INTENSITY …

struct vsp1_sru_param { … };

#define VI6_SRU_CTRL0_PARAMS(p0, p1) …

#define VI6_SRU_CTRL2_PARAMS(p6, p7, p8) …

static const struct vsp1_sru_param vsp1_sru_params[] = …;

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

static const struct v4l2_ctrl_ops sru_ctrl_ops = …;

static const struct v4l2_ctrl_config sru_intensity_control = …;

/* -----------------------------------------------------------------------------
 * V4L2 Subdevice Operations
 */

static int sru_enum_mbus_code(struct v4l2_subdev *subdev,
			      struct v4l2_subdev_state *sd_state,
			      struct v4l2_subdev_mbus_code_enum *code)
{ … }

static int sru_enum_frame_size(struct v4l2_subdev *subdev,
			       struct v4l2_subdev_state *sd_state,
			       struct v4l2_subdev_frame_size_enum *fse)
{ … }

static void sru_try_format(struct vsp1_sru *sru,
			   struct v4l2_subdev_state *sd_state,
			   unsigned int pad, struct v4l2_mbus_framefmt *fmt)
{ … }

static int sru_set_format(struct v4l2_subdev *subdev,
			  struct v4l2_subdev_state *sd_state,
			  struct v4l2_subdev_format *fmt)
{ … }

static const struct v4l2_subdev_pad_ops sru_pad_ops = …;

static const struct v4l2_subdev_ops sru_ops = …;

/* -----------------------------------------------------------------------------
 * VSP1 Entity Operations
 */

static void sru_configure_stream(struct vsp1_entity *entity,
				 struct v4l2_subdev_state *state,
				 struct vsp1_pipeline *pipe,
				 struct vsp1_dl_list *dl,
				 struct vsp1_dl_body *dlb)
{ … }

static unsigned int sru_max_width(struct vsp1_entity *entity,
				  struct v4l2_subdev_state *state,
				  struct vsp1_pipeline *pipe)
{ … }

static void sru_partition(struct vsp1_entity *entity,
			  struct v4l2_subdev_state *state,
			  struct vsp1_pipeline *pipe,
			  struct vsp1_partition *partition,
			  unsigned int partition_idx,
			  struct v4l2_rect *window)
{ … }

static const struct vsp1_entity_operations sru_entity_ops = …;

/* -----------------------------------------------------------------------------
 * Initialization and Cleanup
 */

struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1)
{ … }