Driver-specific documentation

This section provides information about various devices supported by the Linux kernel, their protocols, and driver details.

• 1. ALPS Touchpad Protocol
  • 1.1. Introduction
  • 1.2. Detection
  • 1.3. Command Mode
  • 1.4. Packet Format
  • 1.5. PS/2 packet format
  • 1.6. ALPS Absolute Mode - Protocol Version 1
  • 1.7. ALPS Absolute Mode - Protocol Version 2
  • 1.8. Dualpoint device – interleaved packet format
  • 1.9. ALPS Absolute Mode - Protocol Version 3
  • 1.10. ALPS Absolute Mode - Protocol Version 4
  • 1.11. ALPS Absolute Mode - Protocol Version 5
  • 1.12. ALPS Absolute Mode - Protocol Version 6
  • 1.13. ALPS Absolute Mode - Protocol Version 7
  • 1.14. ALPS Absolute Mode - Protocol Version 8
• 2. Amiga joystick extensions
  • 2.1. Amiga 4-joystick parport extension
  • 2.2. Amiga digital joystick pinout
  • 2.3. Amiga mouse pinout
  • 2.4. Amiga analog joystick pinout
  • 2.5. Amiga lightpen pinout
• 3. Apple Touchpad Driver (appletouch)
  • 3.1. Usage
  • 3.2. Fuzz problems
• 4. Intelligent Keyboard (ikbd) Protocol
  • 4.1. Introduction
  • 4.2. Keyboard
  • 4.3. Mouse
  • 4.4. Joystick
  • 4.5. Time-of-Day Clock
  • 4.6. Status Inquiries
  • 4.7. Power-Up Mode
  • 4.8. ikbd Command Set
  • 4.9. SCAN CODES
• 5. BCM5974 Driver (bcm5974)
  • 5.1. Usage
  • 5.2. USB Race
  • 5.3. Debug output
  • 5.4. Trivia
• 6. CMA3000-D0x Accelerometer
  • 6.1. Description
  • 6.2. Platform Data
  • 6.3. Input Interface
  • 6.4. Register/Platform parameters Description
• 7. Crystal SoundFusion CS4610/CS4612/CS461 joystick
• 8. EDT ft5x06 based Polytouch devices
• 9. Elantech Touchpad Driver
  • 9.1. Introduction
  • 9.2. Extra knobs
  • 9.3. Differentiating hardware versions
  • 9.4. Hardware version 1
  • 9.5. Hardware version 2
  • 9.6. Hardware version 3
  • 9.7. Hardware version 4
  • 9.8. Trackpoint (for Hardware version 3 and 4)
• 10. Driver for tilt-switches connected via GPIOs
  • 10.1. Data structures
  • 10.2. Example
• 11. Iforce Protocol
  • 11.1. Introduction
  • 11.2. Preliminary Notes
  • 11.3. Device input state
  • 11.4. Device effects states
  • 11.5. Appendix: How to study the protocol?
  • 11.6. URLS
• 12. Parallel Port Joystick Drivers
  • 12.1. Disclaimer
  • 12.2. Introduction
  • 12.3. Devices supported
  • 12.4. The drivers
  • 12.5. PC parallel port pinout
• 13. N-Trig touchscreen Driver
  • 13.1. Parameters
  • 13.2. Additional sysfs items
  • 13.3. Filtering
  • 13.4. Calibration
  • 13.5. Tracking
• 14. rotary-encoder - a generic driver for GPIO connected devices
  • 14.1. Function
  • 14.2. Events / state machine
  • 14.3. Platform requirements
  • 14.4. Board integration
• 15. Sentelic Touchpad
  • 15.1. Finger Sensing Pad Intellimouse Mode (scrolling wheel, 4th and 5th buttons)
  • 15.2. Absolute position for STL3886-G0
  • 15.3. Absolute position for STL3888-Ax
  • 15.4. Absolute position for STL3888-B0
  • 15.5. Absolute position for STL3888-Cx and STL3888-Dx
  • 15.6. FSP Enable/Disable packet
  • 15.7. PS/2 Command Set
  • 15.8. Programming Sequence for Determining Packet Parsing Flow
  • 15.9. Programming Sequence for Register Reading/Writing
  • 15.10. Programming Sequence for Page Register Reading/Writing
  • 15.11. Gesture ID
  • 15.12. Register Listing
• 16. Walkera WK-0701 transmitter
  • 16.1. Connecting to PC
  • 16.2. Software
  • 16.3. Technical details
• 17. xpad - Linux USB driver for Xbox compatible controllers
  • 17.1. Notes
  • 17.2. USB adapters
  • 17.3. Driver Installation
  • 17.4. Supported Controllers
  • 17.5. Manual Testing
  • 17.6. Thanks
  • 17.7. References
  • 17.8. Historic Edits
• 18. Driver documentation for yealink usb-p1k phones
  • 18.1. Status
  • 18.2. keyboard features
  • 18.3. LCD features
  • 18.4. Driver usage
  • 18.5. Sound features
  • 18.6. Troubleshooting
  • 18.7. Credits & Acknowledgments