linux/drivers/media/platform/samsung/exynos4-is/media-dev.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd.
 */

#ifndef FIMC_MDEVICE_H_
#define FIMC_MDEVICE_H_

#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <media/media-device.h>
#include <media/media-entity.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/drv-intf/exynos-fimc.h>

#include "fimc-core.h"
#include "fimc-lite.h"
#include "mipi-csis.h"

#define FIMC_OF_NODE_NAME …
#define FIMC_LITE_OF_NODE_NAME …
#define FIMC_IS_OF_NODE_NAME …
#define CSIS_OF_NODE_NAME …

#define FIMC_MAX_SENSORS …
#define FIMC_MAX_CAMCLKS …
#define DEFAULT_SENSOR_CLK_FREQ …

/* LCD/ISP Writeback clocks (PIXELASYNCMx) */
enum { … };

enum fimc_subdev_index { … };

/*
 * This structure represents a chain of media entities, including a data
 * source entity (e.g. an image sensor subdevice), a data capture entity
 * - a video capture device node and any remaining entities.
 */
struct fimc_pipeline { … };

#define to_fimc_pipeline(_ep) …

struct fimc_csis_info { … };

struct fimc_camclk_info { … };

/**
 * struct fimc_sensor_info - image data source subdev information
 * @pdata: sensor's attributes passed as media device's platform data
 * @asd: asynchronous subdev registration data structure
 * @subdev: image sensor v4l2 subdev
 * @host: fimc device the sensor is currently linked to
 *
 * This data structure applies to image sensor and the writeback subdevs.
 */
struct fimc_sensor_info { … };

struct cam_clk { … };
#define to_cam_clk(_hw) …

/**
 * struct fimc_md - fimc media device information
 * @csis: MIPI CSIS subdevs data
 * @sensor: array of registered sensor subdevs
 * @num_sensors: actual number of registered sensors
 * @camclk: external sensor clock information
 * @wbclk: external writeback clock information
 * @fimc_lite: array of registered fimc-lite devices
 * @fimc: array of registered fimc devices
 * @fimc_is: fimc-is data structure
 * @use_isp: set to true when FIMC-IS subsystem is used
 * @pmf: handle to the CAMCLK clock control FIMC helper device
 * @media_dev: top level media device
 * @v4l2_dev: top level v4l2_device holding up the subdevs
 * @pdev: platform device this media device is hooked up into
 * @clk_provider: CAMCLK clock provider structure
 * @subdev_notifier: notifier for the subdevs
 * @user_subdev_api: true if subdevs are not configured by the host driver
 * @slock: spinlock protecting @sensor array
 * @pipelines: list of pipelines
 * @link_setup_graph: graph iterator
 */
struct fimc_md { … };

static inline
struct fimc_sensor_info *source_to_sensor_info(struct fimc_source_info *si)
{ … }

static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me)
{ … }

static inline struct fimc_md *notifier_to_fimc_md(struct v4l2_async_notifier *n)
{ … }

static inline void fimc_md_graph_lock(struct exynos_video_entity *ve)
{ … }

static inline void fimc_md_graph_unlock(struct exynos_video_entity *ve)
{ … }

int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);

#ifdef CONFIG_OF
static inline bool fimc_md_is_isp_available(struct device_node *node)
{ … }
#else
#define fimc_md_is_isp_available …
#endif /* CONFIG_OF */

static inline struct v4l2_subdev *__fimc_md_get_subdev(
				struct exynos_media_pipeline *ep,
				unsigned int index)
{ … }

#endif