LXR linux/include/linux/platform_data/media/omap4iss.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
   3#define ARCH_ARM_PLAT_OMAP4_ISS_H
   4
   5#include <linux/i2c.h>
   6
   7struct iss_device;
   8
   9enum iss_interface_type {
  10        ISS_INTERFACE_CSI2A_PHY1,
  11        ISS_INTERFACE_CSI2B_PHY2,
  12};
  13
  14/**
  15 * struct iss_csiphy_lane: CSI2 lane position and polarity
  16 * @pos: position of the lane
  17 * @pol: polarity of the lane
  18 */
  19struct iss_csiphy_lane {
  20        u8 pos;
  21        u8 pol;
  22};
  23
  24#define ISS_CSIPHY1_NUM_DATA_LANES      4
  25#define ISS_CSIPHY2_NUM_DATA_LANES      1
  26
  27/**
  28 * struct iss_csiphy_lanes_cfg - CSI2 lane configuration
  29 * @data: Configuration of one or two data lanes
  30 * @clk: Clock lane configuration
  31 */
  32struct iss_csiphy_lanes_cfg {
  33        struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES];
  34        struct iss_csiphy_lane clk;
  35};
  36
  37/**
  38 * struct iss_csi2_platform_data - CSI2 interface platform data
  39 * @crc: Enable the cyclic redundancy check
  40 * @vpclk_div: Video port output clock control
  41 */
  42struct iss_csi2_platform_data {
  43        unsigned crc:1;
  44        unsigned vpclk_div:2;
  45        struct iss_csiphy_lanes_cfg lanecfg;
  46};
  47
  48struct iss_subdev_i2c_board_info {
  49        struct i2c_board_info *board_info;
  50        int i2c_adapter_id;
  51};
  52
  53struct iss_v4l2_subdevs_group {
  54        struct iss_subdev_i2c_board_info *subdevs;
  55        enum iss_interface_type interface;
  56        union {
  57                struct iss_csi2_platform_data csi2;
  58        } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
  59};
  60
  61struct iss_platform_data {
  62        struct iss_v4l2_subdevs_group *subdevs;
  63        void (*set_constraints)(struct iss_device *iss, bool enable);
  64};
  65
  66#endif
  67