1.21. V4L2 Open Firmware kAPI

struct v4l2_of_bus_mipi_csi2

MIPI CSI-2 bus data structure

Definition

struct v4l2_of_bus_mipi_csi2 {
  unsigned int flags;
  unsigned char data_lanes[4];
  unsigned char clock_lane;
  unsigned short num_data_lanes;
  bool lane_polarities[5];
};

Members

flags

media bus (V4L2_MBUS_*) flags

data_lanes[4]

an array of physical data lane indexes

clock_lane

physical lane index of the clock lane

num_data_lanes

number of data lanes

lane_polarities[5]

polarity of the lanes. The order is the same of the physical lanes.

struct v4l2_of_bus_parallel

parallel data bus data structure

Definition

struct v4l2_of_bus_parallel {
  unsigned int flags;
  unsigned char bus_width;
  unsigned char data_shift;
};

Members

flags

media bus (V4L2_MBUS_*) flags

bus_width

bus width in bits

data_shift

data shift in bits

struct v4l2_of_endpoint

the endpoint data structure

Definition

struct v4l2_of_endpoint {
  struct of_endpoint base;
  enum v4l2_mbus_type bus_type;
  union bus;
  u64 * link_frequencies;
  unsigned int nr_of_link_frequencies;
};

Members

base

struct of_endpoint containing port, id, and local of_node

bus_type

bus type

bus

bus configuration data structure

link_frequencies

array of supported link frequencies

nr_of_link_frequencies

number of elements in link_frequenccies array

struct v4l2_of_link

a link between two endpoints

Definition

struct v4l2_of_link {
  struct device_node * local_node;
  unsigned int local_port;
  struct device_node * remote_node;
  unsigned int remote_port;
};

Members

local_node

pointer to device_node of this endpoint

local_port

identifier of the port this endpoint belongs to

remote_node

pointer to device_node of the remote endpoint

remote_port

identifier of the port the remote endpoint belongs to