nixpkgs/nixos/modules/hardware/video/capture/mwprocapture.nix

61 lines
1.8 KiB
Nix

{ config, lib, ... }:
with lib;
let
cfg = config.hardware.mwProCapture;
kernelPackages = config.boot.kernelPackages;
in
{
options.hardware.mwProCapture.enable = mkEnableOption "Magewell Pro Capture family kernel module";
config = mkIf cfg.enable {
assertions = singleton {
assertion = versionAtLeast kernelPackages.kernel.version "3.2";
message = "Magewell Pro Capture family module is not supported for kernels older than 3.2";
};
boot.kernelModules = [ "ProCapture" ];
environment.systemPackages = [ kernelPackages.mwprocapture ];
boot.extraModulePackages = [ kernelPackages.mwprocapture ];
boot.extraModprobeConfig = ''
# Set the png picture to be displayed when no input signal is detected.
options ProCapture nosignal_file=${kernelPackages.mwprocapture}/res/NoSignal.png
# Set the png picture to be displayed when an unsupported input signal is detected.
options ProCapture unsupported_file=${kernelPackages.mwprocapture}/res/Unsupported.png
# Set the png picture to be displayed when an loking input signal is detected.
options ProCapture locking_file=${kernelPackages.mwprocapture}/res/Locking.png
# Message signaled interrupts switch
#options ProCapture disable_msi=0
# Set the debug level
#options ProCapture debug_level=0
# Force init switch eeprom
#options ProCapture init_switch_eeprom=0
# Min frame interval for VIDIOC_ENUM_FRAMEINTERVALS (default: 166666(100ns))
#options ProCapture enum_frameinterval_min=166666
# VIDIOC_ENUM_FRAMESIZES type (1: DISCRETE; 2: STEPWISE; otherwise: CONTINUOUS )
#options ProCapture enum_framesizes_type=0
# Parameters for internal usage
#options ProCapture internal_params=""
'';
};
}