s5p_fimc.h

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/*
 * Samsung S5P SoC camera interface driver header
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd
 * Author: Sylwester Nawrocki, <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef S5P_FIMC_H_
#define S5P_FIMC_H_

#include <media/media-entity.h>

enum cam_bus_type {
    FIMC_ITU_601 = 1,
    FIMC_ITU_656,
    FIMC_MIPI_CSI2,
    FIMC_LCD_WB, /* FIFO link from LCD mixer */
};

struct i2c_board_info;

struct s5p_fimc_isp_info {
    struct i2c_board_info *board_info;
    unsigned long clk_frequency;
    enum cam_bus_type bus_type;
    u16 i2c_bus_num;
    u16 mux_id;
    u16 flags;
    u8 clk_id;
};

struct s5p_platform_fimc {
    struct s5p_fimc_isp_info *isp_info;
    int num_clients;
};

/*
 * v4l2_device notification id. This is only for internal use in the kernel.
 * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single
 * frame capture mode when there is only one VSYNC pulse issued by the sensor
 * at begining of the frame transmission.
 */
#define S5P_FIMC_TX_END_NOTIFY _IO('e', 0)

enum fimc_subdev_index {
    IDX_SENSOR,
    IDX_CSIS,
    IDX_FLITE,
    IDX_FIMC,
    IDX_MAX,
};

struct media_pipeline;
struct v4l2_subdev;

struct fimc_pipeline {
    struct v4l2_subdev *subdevs[IDX_MAX];
    struct media_pipeline *m_pipeline;
};

/*
 * Media pipeline operations to be called from within the fimc(-lite)
 * video node when it is the last entity of the pipeline. Implemented
 * by corresponding media device driver.
 */
struct fimc_pipeline_ops {
    int (*open)(struct fimc_pipeline *p, struct media_entity *me,
              bool resume);
    int (*close)(struct fimc_pipeline *p);
    int (*set_stream)(struct fimc_pipeline *p, bool state);
};

#define fimc_pipeline_call(f, op, p, args...)               \
    (!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \
                (f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD))

#endif /* S5P_FIMC_H_ */