linux/drivers/media/platform/renesas/vsp1/vsp1_hsit.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * vsp1_hsit.c  --  R-Car VSP1 Hue Saturation value (Inverse) Transform
 *
 * 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_hsit.h"

#define HSIT_MIN_SIZE …
#define HSIT_MAX_SIZE …

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

static inline void vsp1_hsit_write(struct vsp1_hsit *hsit,
				   struct vsp1_dl_body *dlb, u32 reg, u32 data)
{ … }

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

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

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

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

static const struct v4l2_subdev_pad_ops hsit_pad_ops = …;

static const struct v4l2_subdev_ops hsit_ops = …;

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

static void hsit_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 const struct vsp1_entity_operations hsit_entity_ops = …;

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

struct vsp1_hsit *vsp1_hsit_create(struct vsp1_device *vsp1, bool inverse)
{ … }