AUBTFWL(4)

💖 NAME 💖

okay so bestie, this is AUBTFWL(4) — aka aubtfwl(4) — from the Kernel Interfaces Manual ✨. It’s the Atheros AR3011/AR3012 Firmware Loader 💅 and it is lowkey giving “tiny driver, big firmware-loading main character energy” 🎀.

✨ SYNOPSIS ✨

aubtfwl* at uhub?

🦋 DESCRIPTION 🦋

okay so here’s the tea ☕: the aubtfwl driver manages automatic loading of firmware on the Atheros AR3011 and AR3012 Bluetooth chipsets 🦋💖.

The firmware files should be obtained and placed in a ubt/ directory in the search path of the firmload(9) kernel subsystem ✨. Upon attachment, the aubtfwl driver will load the necessary firmware files, and the device will detach and reattach as a generic Bluetooth device using the ubt(4) driver 🔥. Like, it does its little firmware moment and comes back as a generic Bluetooth device via ubt(4) — iconic behavior, honestly 👑.

For AR3011 chipsets, you will need the ath3k-1.fw firmware file in ubt/, and for AR3012 chipsets, the files ar3k/AthrBT_*.dfu and ar3k/ramps_*.dfu in ubt/ar3k/ 🎀. Yes bestie, the ar3k/ part is literally right there in the path 🙈.

The firmware files can be obtained from the Linux firmware git repository at https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git 🌈.

🎀 FILES 🎀

the firmware files in question, bestie:

• ath3k-1.fw 💖
• ar3k/AthrBT_*.dfu ✨
• ar3k/ramps_*.dfu 🦋

💜 SEE ALSO 💜

go bother these pages next, iykyk 👀:

• bluetooth(4)
• ubt(4)
• uhub(4)
• firmload(9)

mwah 💋 this iconic little page is source/version Debian, dated May 9, 2013 — periodt 🫶.