BCM2835 VCHIQ

modulename: vchiq.ko

configname: CONFIG_BCM2835_VCHIQ

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Broadcom VideoCore support
└─>BCM2835 VCHIQ
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Kernel to VideoCore communication interface for the
BCM2835 family of products.
Defaults to Y when the Broadcom Videocore services
are included in the build, N otherwise.

source code:
drivers/staging/vc04_services/