100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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* Samsung S5P SoC camera interface driver header
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd
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* Author: Sylwester Nawrocki, <s.nawrocki@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef S5P_FIMC_H_
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#define S5P_FIMC_H_
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#include <media/media-entity.h>
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enum cam_bus_type {
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FIMC_ITU_601 = 1,
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FIMC_ITU_656,
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FIMC_MIPI_CSI2,
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FIMC_LCD_WB, /* FIFO link from LCD mixer */
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};
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struct i2c_board_info;
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/**
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* struct s5p_fimc_isp_info - image sensor information required for host
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* interace configuration.
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*
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* @board_info: pointer to I2C subdevice's board info
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* @clk_frequency: frequency of the clock the host interface provides to sensor
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* @bus_type: determines bus type, MIPI, ITU-R BT.601 etc.
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* @i2c_bus_num: i2c control bus id the sensor is attached to
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* @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
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* @clk_id: index of the SoC peripheral clock for sensors
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* @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
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*/
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struct s5p_fimc_isp_info {
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struct i2c_board_info *board_info;
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unsigned long clk_frequency;
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enum cam_bus_type bus_type;
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u16 i2c_bus_num;
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u16 mux_id;
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u16 flags;
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u8 clk_id;
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};
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/**
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* struct s5p_platform_fimc - camera host interface platform data
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*
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* @isp_info: properties of camera sensor required for host interface setup
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* @num_clients: the number of attached image sensors
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*/
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struct s5p_platform_fimc {
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struct s5p_fimc_isp_info *isp_info;
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int num_clients;
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};
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/*
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* v4l2_device notification id. This is only for internal use in the kernel.
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* Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single
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* frame capture mode when there is only one VSYNC pulse issued by the sensor
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* at begining of the frame transmission.
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*/
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#define S5P_FIMC_TX_END_NOTIFY _IO('e', 0)
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enum fimc_subdev_index {
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IDX_SENSOR,
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IDX_CSIS,
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IDX_FLITE,
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IDX_FIMC,
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IDX_MAX,
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};
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struct media_pipeline;
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struct v4l2_subdev;
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struct fimc_pipeline {
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struct v4l2_subdev *subdevs[IDX_MAX];
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struct media_pipeline *m_pipeline;
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};
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/*
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* Media pipeline operations to be called from within the fimc(-lite)
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* video node when it is the last entity of the pipeline. Implemented
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* by corresponding media device driver.
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*/
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struct fimc_pipeline_ops {
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int (*open)(struct fimc_pipeline *p, struct media_entity *me,
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bool resume);
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int (*close)(struct fimc_pipeline *p);
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int (*set_stream)(struct fimc_pipeline *p, bool state);
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};
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#define fimc_pipeline_call(f, op, p, args...) \
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(!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \
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(f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD))
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#endif /* S5P_FIMC_H_ */
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