include/media/omap4iss.h

   1 #ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
   2 #define ARCH_ARM_PLAT_OMAP4_ISS_H
   3
   4 #include <linux/i2c.h>
   5
   6 struct iss_device;
   7
   8 enum iss_interface_type {
   9         ISS_INTERFACE_CSI2A_PHY1,
  10         ISS_INTERFACE_CSI2B_PHY2,
  11 };
  12
  13 /**
  14  * struct iss_csiphy_lane: CSI2 lane position and polarity
  15  * @pos: position of the lane
  16  * @pol: polarity of the lane
  17  */
  18 struct iss_csiphy_lane {
  19         u8 pos;
  20         u8 pol;
  21 };
  22
  23 #define ISS_CSIPHY1_NUM_DATA_LANES      4
  24 #define ISS_CSIPHY2_NUM_DATA_LANES      1
  25
  26 /**
  27  * struct iss_csiphy_lanes_cfg - CSI2 lane configuration
  28  * @data: Configuration of one or two data lanes
  29  * @clk: Clock lane configuration
  30  */
  31 struct iss_csiphy_lanes_cfg {
  32         struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES];
  33         struct iss_csiphy_lane clk;
  34 };
  35
  36 /**
  37  * struct iss_csi2_platform_data - CSI2 interface platform data
  38  * @crc: Enable the cyclic redundancy check
  39  * @vpclk_div: Video port output clock control
  40  */
  41 struct iss_csi2_platform_data {
  42         unsigned crc:1;
  43         unsigned vpclk_div:2;
  44         struct iss_csiphy_lanes_cfg lanecfg;
  45 };
  46
  47 struct iss_subdev_i2c_board_info {
  48         struct i2c_board_info *board_info;
  49         int i2c_adapter_id;
  50 };
  51
  52 struct iss_v4l2_subdevs_group {
  53         struct iss_subdev_i2c_board_info *subdevs;
  54         enum iss_interface_type interface;
  55         union {
  56                 struct iss_csi2_platform_data csi2;
  57         } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
  58 };
  59
  60 struct iss_platform_data {
  61         struct iss_v4l2_subdevs_group *subdevs;
  62         void (*set_constraints)(struct iss_device *iss, bool enable);
  63 };
  64
  65 #endif