linux/include/media/s5p_fimc.h
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   1/*
   2 * Samsung S5P SoC camera interface driver header
   3 *
   4 * Copyright (c) 2010 Samsung Electronics Co., Ltd
   5 * Author: Sylwester Nawrocki, <s.nawrocki@samsung.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11
  12#ifndef S5P_FIMC_H_
  13#define S5P_FIMC_H_
  14
  15enum cam_bus_type {
  16        FIMC_ITU_601 = 1,
  17        FIMC_ITU_656,
  18        FIMC_MIPI_CSI2,
  19        FIMC_LCD_WB, /* FIFO link from LCD mixer */
  20};
  21
  22struct i2c_board_info;
  23
  24/**
  25 * struct s5p_fimc_isp_info - image sensor information required for host
  26 *                            interace configuration.
  27 *
  28 * @board_info: pointer to I2C subdevice's board info
  29 * @clk_frequency: frequency of the clock the host interface provides to sensor
  30 * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc.
  31 * @csi_data_align: MIPI-CSI interface data alignment in bits
  32 * @i2c_bus_num: i2c control bus id the sensor is attached to
  33 * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
  34 * @clk_id: index of the SoC peripheral clock for sensors
  35 * @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
  36 */
  37struct s5p_fimc_isp_info {
  38        struct i2c_board_info *board_info;
  39        unsigned long clk_frequency;
  40        enum cam_bus_type bus_type;
  41        u16 csi_data_align;
  42        u16 i2c_bus_num;
  43        u16 mux_id;
  44        u16 flags;
  45        u8 clk_id;
  46};
  47
  48/**
  49 * struct s5p_platform_fimc - camera host interface platform data
  50 *
  51 * @isp_info: properties of camera sensor required for host interface setup
  52 * @num_clients: the number of attached image sensors
  53 */
  54struct s5p_platform_fimc {
  55        struct s5p_fimc_isp_info *isp_info;
  56        int num_clients;
  57};
  58
  59/*
  60 * v4l2_device notification id. This is only for internal use in the kernel.
  61 * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single
  62 * frame capture mode when there is only one VSYNC pulse issued by the sensor
  63 * at begining of the frame transmission.
  64 */
  65#define S5P_FIMC_TX_END_NOTIFY _IO('e', 0)
  66
  67enum fimc_subdev_index {
  68        IDX_SENSOR,
  69        IDX_CSIS,
  70        IDX_FLITE,
  71        IDX_FIMC,
  72        IDX_MAX,
  73};
  74
  75struct media_pipeline;
  76struct v4l2_subdev;
  77
  78struct fimc_pipeline {
  79        struct v4l2_subdev *subdevs[IDX_MAX];
  80        struct media_pipeline *m_pipeline;
  81};
  82
  83#endif /* S5P_FIMC_H_ */
  84
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