en Copyright 2015 Java http://kernelsources.org:8080/source/history/freebsd/sys/dev/apple_bce/apple_bce.h#9f90536c74b8172fc67cd977e5451f37a12462d5 apple_bce/vhci: add T2 virtual USB host controllerImplements a VHCI driver on top of the BCE transport:- Virtual USB bus registration via usb_controller- Port discovery and device enumeration- Control, interrupt, and bulk endpoint support- Firmware event handling with taskqueue- Suspend/resume via BCE mailboxProvides keyboard, trackpad, and Touch Bar access on T2 Macs.Tested-on: MacBookPro16,2 (A2251), Mac mini 8,1 (A1993)Reviewed by: adrianDifferential Revision: https://reviews.freebsd.org/D57089 List of files: /freebsd/sys/dev/apple_bce/apple_bce.h Sun, 14 Jun 2026 22:54:28 +0200 Abdelkader Boudih <freebsd@seuros.com> http://kernelsources.org:8080/source/history/freebsd/sys/dev/apple_bce/apple_bce.h#6fd2ad9aa39db916bf2da9607653fb133f8fa078 apple_bce: add Apple T2 Buffer Copy Engine driverDMA ring transport between the host and the T2 coprocessor.Provides mailbox handshake, queue setup, and firmware keepalivefor higher-level T2 services (VHCI, audio, etc.).Tested-on: MacBookPro16,2 (A2251), Mac mini 8,1 (A1993)Reviewed by: adrianDifferential Revision: https://reviews.freebsd.org/D57088 List of files: /freebsd/sys/dev/apple_bce/apple_bce.h Sun, 14 Jun 2026 22:54:03 +0200 Abdelkader Boudih <freebsd@seuros.com>