LXR linux/include/linux/platform_data/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
   6struct iss_device;
   7
   8enum 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 */
  18struct 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 */
  31struct 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 */
  41struct iss_csi2_platform_data {
  42        unsigned crc:1;
  43        unsigned vpclk_div:2;
  44        struct iss_csiphy_lanes_cfg lanecfg;
  45};
  46
  47struct iss_subdev_i2c_board_info {
  48        struct i2c_board_info *board_info;
  49        int i2c_adapter_id;
  50};
  51
  52struct 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
  60struct iss_platform_data {
  61        struct iss_v4l2_subdevs_group *subdevs;
  62        void (*set_constraints)(struct iss_device *iss, bool enable);
  63};
  64
  65#endif
  66