2. Driver-specific documentation

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

• 2.1. ALPS Touchpad Protocol
  • 2.1.1. Introduction
  • 2.1.2. Detection
  • 2.1.3. Command Mode
  • 2.1.4. Packet Format
  • 2.1.5. PS/2 packet format
  • 2.1.6. ALPS Absolute Mode - Protocol Version 1
  • 2.1.7. ALPS Absolute Mode - Protocol Version 2
  • 2.1.8. Dualpoint device – interleaved packet format
  • 2.1.9. ALPS Absolute Mode - Protocol Version 3
  • 2.1.10. ALPS Absolute Mode - Protocol Version 4
  • 2.1.11. ALPS Absolute Mode - Protocol Version 5
  • 2.1.12. ALPS Absolute Mode - Protocol Version 6
  • 2.1.13. ALPS Absolute Mode - Protocol Version 7
  • 2.1.14. ALPS Absolute Mode - Protocol Version 8
• 2.2. Amiga joystick extensions
  • 2.2.1. Amiga 4-joystick parport extension
  • 2.2.2. Amiga digital joystick pinout
  • 2.2.3. Amiga mouse pinout
  • 2.2.4. Amiga analog joystick pinout
  • 2.2.5. Amiga lightpen pinout
• 2.3. Apple Touchpad Driver (appletouch)
  • 2.3.1. Usage
  • 2.3.2. Fuzz problems
• 2.4. Intelligent Keyboard (ikbd) Protocol
  • 2.4.1. Introduction
  • 2.4.2. Keyboard
  • 2.4.3. Mouse
  • 2.4.4. Joystick
  • 2.4.5. Time-of-Day Clock
  • 2.4.6. Status Inquiries
  • 2.4.7. Power-Up Mode
  • 2.4.8. ikbd Command Set
  • 2.4.9. SCAN CODES
• 2.5. BCM5974 Driver (bcm5974)
  • 2.5.1. Usage
  • 2.5.2. USB Race
  • 2.5.3. Debug output
  • 2.5.4. Trivia
• 2.6. CMA3000-D0x Accelerometer
  • 2.6.1. Description
  • 2.6.2. Platform Data
  • 2.6.3. Input Interface
  • 2.6.4. Register/Platform parameters Description
• 2.7. Crystal SoundFusion CS4610/CS4612/CS461 joystick
• 2.8. EDT ft5x06 based Polytouch devices
• 2.9. Elantech Touchpad Driver
  • 2.9.1. Introduction
  • 2.9.2. Extra knobs
  • 2.9.3. Differentiating hardware versions
  • 2.9.4. Hardware version 1
  • 2.9.5. Hardware version 2
  • 2.9.6. Hardware version 3
  • 2.9.7. Hardware version 4
  • 2.9.8. Trackpoint (for Hardware version 3 and 4)
• 2.10. Driver for tilt-switches connected via GPIOs
  • 2.10.1. Data structures
  • 2.10.2. Example
• 2.11. Iforce Protocol
  • 2.11.1. Introduction
  • 2.11.2. Preliminary Notes
  • 2.11.3. Device input state
  • 2.11.4. Device effects states
  • 2.11.5. Appendix: How to study the protocol?
  • 2.11.6. URLS
• 2.12. Parallel Port Joystick Drivers
  • 2.12.1. Disclaimer
  • 2.12.2. Introduction
  • 2.12.3. Devices supported
  • 2.12.4. The drivers
  • 2.12.5. PC parallel port pinout
• 2.13. N-Trig touchscreen Driver
  • 2.13.1. Parameters
  • 2.13.2. Additional sysfs items
  • 2.13.3. Filtering
  • 2.13.4. Calibration
  • 2.13.5. Tracking
• 2.14. rotary-encoder - a generic driver for GPIO connected devices
  • 2.14.1. Function
  • 2.14.2. Events / state machine
  • 2.14.3. Platform requirements
  • 2.14.4. Board integration
• 2.15. Sentelic Touchpad
  • 2.15.1. Finger Sensing Pad Intellimouse Mode (scrolling wheel, 4th and 5th buttons)
  • 2.15.2. Absolute position for STL3886-G0
  • 2.15.3. Absolute position for STL3888-Ax
  • 2.15.4. Absolute position for STL3888-B0
  • 2.15.5. Absolute position for STL3888-Cx and STL3888-Dx
  • 2.15.6. FSP Enable/Disable packet
  • 2.15.7. PS/2 Command Set
  • 2.15.8. Programming Sequence for Determining Packet Parsing Flow
  • 2.15.9. Programming Sequence for Register Reading/Writing
  • 2.15.10. Programming Sequence for Page Register Reading/Writing
  • 2.15.11. Gesture ID
  • 2.15.12. Register Listing
• 2.16. Walkera WK-0701 transmitter
  • 2.16.1. Connecting to PC
  • 2.16.2. Software
  • 2.16.3. Technical details
• 2.17. xpad - Linux USB driver for Xbox compatible controllers
  • 2.17.1. Notes
  • 2.17.2. USB adapters
  • 2.17.3. Driver Installation
  • 2.17.4. Supported Controllers
  • 2.17.5. Manual Testing
  • 2.17.6. Thanks
  • 2.17.7. References
  • 2.17.8. Historic Edits
• 2.18. Driver documentation for yealink usb-p1k phones
  • 2.18.1. Status
  • 2.18.2. keyboard features
  • 2.18.3. LCD features
  • 2.18.4. Driver usage
  • 2.18.5. Sound features
  • 2.18.6. Troubleshooting
  • 2.18.7. Credits & Acknowledgments