Wiki/wiki-rtd/docs/wiki_controllers/steam/steamdeck-neptune.md
2025-02-14 08:23:18 +01:00

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# Steam Deck: Neptune
<img src="../../../wiki_images/graphics/steamdeck/rd_sd_screen1.jpeg" width="350">
The Steam Deck, released on February 25, 2022, is a handheld gaming computer developed by Valve Corporation.
The Steam Deck OLED, introduced on November 16, 2023, features a brighter and larger OLED display, improved battery life, and enhanced cooling features.
The Built-In Controller is known as: Neptune
### Steam Input support
Yes
### Linux Kernel Support
Yes, since 4.18 - `hid-steam`
### Udev rules
```
# Valve USB devices
SUBSYSTEM=="usb", ATTRS{idVendor}=="28de", MODE="0666"
# Steam Controller udev write access
KERNEL=="uinput", SUBSYSTEM=="misc", MODE="0660", GROUP="input", OPTIONS+="static_node=uinput"
# Valve HID devices over USB hidraw
KERNEL=="hidraw*", ATTRS{idVendor}=="28de", MODE="0666"
# Valve HID devices over bluetooth hidraw
KERNEL=="hidraw*", KERNELS=="*28DE:*", MODE="0666"
```
## What are the Official RetroDECK layouts for the Steam Deck?
- `RetroDECK: Steam Deck - Neptune SIMPLE`
- `RetroDECK: Steam Deck - Neptune FULL`
## Input Map
<img src="../../../wiki_images/graphics/steamdeck/steam-deck-inputs.jpg" width="550">
## RetroDECK Hotkeys
Read more here:
[RetroDECK: Controller Hotkeys](../../wiki_rd_controls/hotkeys-retrodeck.md)