include/media/s5p_fimc.h

   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
  15 enum 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
  22 struct 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  */
  37 struct 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  */
  54 struct 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
  67 enum fimc_subdev_index {
  68         IDX_SENSOR,
  69         IDX_CSIS,
  70         IDX_FLITE,
  71         IDX_FIMC,
  72         IDX_MAX,
  73 };
  74
  75 struct media_pipeline;
  76 struct v4l2_subdev;
  77
  78 struct fimc_pipeline {
  79         struct v4l2_subdev *subdevs[IDX_MAX];
  80         struct media_pipeline *m_pipeline;
  81 };
  82
  83 #endif /* S5P_FIMC_H_ */