The Linux Kernel
4.20.0
The Linux kernel user’s and administrator’s guide
The Linux kernel user-space API guide
Working with the kernel development community
Development tools for the kernel
How to write kernel documentation
Kernel Hacking Guides
Linux Tracing Technologies
Kernel Maintainer Handbook
The Linux driver implementer’s API guide
Core API Documentation
Linux Media Subsystem Documentation
Linux Networking Documentation
The Linux Input Documentation
Linux Input Subsystem userspace API
1. Introduction
2. Input event codes
3. Multi-touch (MT) Protocol
4. Linux Gamepad Specification
5. Force feedback for Linux
6. Linux Joystick support
7. uinput module
8. The userio Protocol
Linux Input Subsystem kernel API
Driver-specific documentation
Linux GPU Driver Developer’s Guide
Security Documentation
Linux Sound Subsystem Documentation
Linux Kernel Crypto API
Linux Filesystems API
Linux Memory Management Documentation
BPF Documentation
SuperH Interfaces Guide
ext4 Data Structures and Algorithms
Translations
The Linux Kernel
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The Linux Input Documentation
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Linux Input Subsystem userspace API
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Linux Input Subsystem userspace API
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Table of Contents
1. Introduction
1.1. Architecture
1.2. Simple Usage
1.3. Detailed Description
1.4. Verifying if it works
1.5. Event interface
2. Input event codes
2.1. Event types
2.2. Event codes
2.3. Device properties
2.4. Guidelines
3. Multi-touch (MT) Protocol
3.1. Introduction
3.2. Protocol Usage
3.3. Protocol Example A
3.4. Protocol Example B
3.5. Event Usage
3.6. Event Semantics
3.7. Event Computation
3.8. Finger Tracking
3.9. Gestures
3.10. Notes
4. Linux Gamepad Specification
4.1. Introduction
4.2. Geometry
4.3. Detection
4.4. Events
5. Force feedback for Linux
5.1. Introduction
5.2. Instructions to the user
5.3. Instructions to the developer
6. Linux Joystick support
6.1. Introduction
6.2. Usage
6.3. HW specific driver information
6.4. Troubleshooting
6.5. FAQ
6.6. Programming Interface
7. uinput module
7.1. Introduction
7.2. Interface
7.3. libevdev
7.4. Examples
8. The userio Protocol
8.1. Introduction
8.2. Usage overview
8.3. Command Structure
8.4. Commands
8.5. Userspace tools