Camera Development

This topic describes the camera software solution included in NVIDIA ^® Jetson™ Linux.

• Camera Software Development Solution
  • Camera Architecture Stack
  • Camera API Matrix
  • Approaches for Validating and Testing the V4L2 Driver
    • Applications Using libargus Low-Level APIs
    • Applications Using GStreamer with the nvarguscamerasrc Plugin
    • Applications Using GStreamer with V4L2 Source Plugin
    • Applications Using V4L2 IOCTL Directly
  • ISP Configuration
  • Infinite Timeout Support
  • Symlinks Changed by Mesa Installation
  • Other References
• Sensor Software Driver Programming
  • Camera Core Library Interface
  • Direct V4L2 Interface
  • Camera Modules and the Device Tree
    • To add camera modules to a device tree
    • Module Properties
  • Individual Imaging Devices
    • Device Properties
    • Example Piece-Wise Linear Compression Function
    • Example Digital Overlap WDR Exposure Frame (3840 × 2160)
    • Port Binding
    • Sensor Pixel Clock
    • SerDes Pixel Clock
    • Port Index
  • V4L2 Kernel Driver (Version 1.0)
    • Macro Definitions
    • Sensor-Private Data
    • Configuring Regmap
    • Configuring Controls
    • To link the controls to their control handlers
    • Setting Up Control Registers
    • Power Functions
    • Setting Up the V4L2 Subdevice and Camera Common
    • Control Handlers
    • Device Tree Parser
    • Media Controller Setup
    • Sensor Driver Probing
    • Setup of Media Controller
    • Removing Sensor Drivers
  • V4L2 Kernel Driver (Version 2.0)
    • Macro Definitions
    • Sensor-Private Data
    • Register map (regmap)
    • Sensor Controls
    • Exposure Controls
    • Fixed Point Format
    • Control Handlers
    • Setter Control Handlers (for Writing Settings)
    • Fill-String Control Handlers (for Reading Settings)
    • How Controls Are Implemented
    • Registering the Controls
    • How to provide the link to the control handlers
    • Setting Up Registers for the Control Handler
    • Read-Write Wrapper in the Register
    • Power Functions
    • Stream Functions
    • Miscellaneous Functions
    • Control Operations
    • Boot-Time Initialization
  • Loadable Kernel Module (LKM)
    • To configure a sensor driver as a loadable module
    • To load a new sensor module
  • Kernel Configuration
  • Device Registration
    • Prerequisites
    • Device-tree overlay
    • To Create and Apply a DTB Overlay File
    • Using the Jetson-IO Tool
    • Using the Main Platform Device Tree File
    • To register a device using the main platform device tree file
  • Verifying the V4L2 Sensor Driver
    • To run a v4l2-compliance test
    • To run a v4l2-ctl test
  • Debugging Tips
    • To verify that driver name matches the name in the Device Tree
    • To verify that all device names match the device tree
    • To verify that the Device tree values match the hardware
    • To verify that functions run to completion
    • To verify that default values are correctly linked
    • To verify that control register values are correct
    • To verify that mode-specific settings are correct
    • To verify that I2C accesses are working properly
    • Configuring the Sensor Driver as a Loadable Kernel Module (LKM)
  • Mode Tables
    • To add a register mode table
    • Register mode table considerations
  • Camera Sensor Drivers Porting
    • How to find differences between release 28 and the current release
    • Changes for the V4L2 API
    • Changes to Device Tree Properties
    • Porting version 1.0 drivers to version 2.0
    • Device Tree
    • Driver
• Jetson Virtual Channel with GMSL Camera Framework
  • Reference Setup
  • GMSL Protocol
  • GMSL Camera
  • CSI Connectivity
    • Jetson AGX Orin
    • Jetson Xavier NX Series
    • Jetson AGX Xavier Series
  • Hardware Module Connectivity
  • Software Framework and Programming
    • Driver Framework
    • Device Tree Programming
  • Constraints
  • Validation
  • Known Issues
    • General Issues
    • Xavier-Specific
    • Plugin Manager Board ID
• Argus NvRaw Tool
  • Prerequisites for Use
  • Camera Sensor Modes
  • nvargus_nvraw Command
    • nvargus_nvraw Usage
    • Basic Examples
    • Displaying Sensor Information
    • Capturing Images
    • Other Operations
    • Limitations
• Camera Driver Porting
  • Configuration Changes
  • Sensor Driver File Name Changes
  • Guarding Kernel Version-Specific Code
  • dev_err() Function
  • I2C API
  • NVIDIA Capture Driver Code Path