diff options
Diffstat (limited to 'README.org')
| -rw-r--r-- | README.org | 108 |
1 files changed, 102 insertions, 6 deletions
@@ -94,8 +94,11 @@ your configuration. ** Installation image For some hardware the official Guix installation image won't do -(e.g. unsupported wifi). You can generate an installation image running the -nonfree Linux kernel and nonfree firmware with the following command: +(e.g. unsupported wifi). You can find a pre-generated installation image +(time and version in line with upstream Guix), running the nonfree Linux +kernel and nonfree firmware, on the [[https://gitlab.com/nonguix/nonguix/-/releases][Releases page]]. Or, you can generate an +installation image from a local checkout of this repository, at a more recent +commit, with the following command: #+begin_src sh guix system image --image-type=iso9660 /path/to/this/channel/nongnu/system/install.scm @@ -173,18 +176,19 @@ is exactly equivalent to: rest))) #+END_SRC -** Broadcom Wireless +** Broadcom + +*** Wireless Some Broadcom wireless hardware requires a proprietary kernel module in addition to firmware. To use such hardware you will also need to add a service -to load that module on boot, blacklist conflicting kernel modules, and while not -required, it is recommended to stay with Linux LTS releases: +to load that module on boot and blacklist conflicting kernel modules: #+BEGIN_SRC scheme (use-modules (nongnu packages linux)) (operating-system - (kernel linux-lts) + (kernel linux) ;; Blacklist conflicting kernel modules. (kernel-arguments '("modprobe.blacklist=b43,b43legacy,ssb,bcm43xx,brcm80211,brcmfmac,brcmsmac,bcma")) (kernel-loadable-modules (list broadcom-sta)) @@ -193,6 +197,98 @@ required, it is recommended to stay with Linux LTS releases: ...) #+END_SRC +*** Webcam + +Like Broadcom wireless hardware, the Broadcom 1570 PCIe webcam (better known as +FacetimeHD and found in recent Macbooks) also requires a kernel module, +firmware, and blacklisting of conflicting modules: + +#+BEGIN_SRC scheme + (use-modules (nongnu packages linux)) + (use-modules (nongnu packages firmware)) + + (operating-system + (kernel-arguments '("modprobe.blacklist=bdc_pci")) + (kernel-loadable-modules (list facetimehd)) + (firmware (cons* facetimehd-firmware + facetimehd-calibration ; Optional but make the colors look better. + %base-firmware)) + (services + (cons* (simple-service 'facetimehd + kernel-module-loader-service-type + '("facetimehd")) + ...)) + ...) +#+END_SRC + +** NVIDIA graphics card + +NVIDIA graphics card support in Nonguix consists of a system service =nvidia-service-type= and a package =nvda= for application setup. + +The following code serves as an example for system setup: + +#+BEGIN_SRC scheme + (use-modules (gnu services gnome) + (gnu services xorg) + (nongnu packages nvidia) + (nongnu services nvidia)) + + (operating-system + (kernel-arguments '("modprobe.blacklist=nouveau" + ;; Set this if the card is not used for displaying or + ;; you're using Wayland: + "nvidia_drm.modeset=1")) + (services + (cons* (service nvidia-service-type) + ;; Configure desktop environment, GNOME for example. + (service gnome-desktop-service-type + ;; Enable NVIDIA support, only do this when the card is + ;; used for displaying. + (gnome-desktop-configuration + (gnome (replace-mesa gnome)))) + ;; Configure Xorg server, only do this when the card is used for + ;; displaying. + (set-xorg-configuration + (xorg-configuration + (modules (cons nvda %default-xorg-modules)) + (drivers '("nvidia")))) + ...)) + ...) +#+END_SRC + +For application setup, =mesa= has to be replaced with =nvda= for every individual package that requires the NVIDIA driver, this can be done with grafting (which doesn't rebuild packages) or rewriting inputs (which rebuilds packages) (see [[https://guix.gnu.org/manual/devel/en/guix.html#Package-Transformation-Options][Package Transformation Options]] in GNU Guix Reference Manual). For example: + +#+BEGIN_SRC shell + guix build mesa-utils --with-graft=mesa=nvda + guix build mesa-utils --with-input=mesa=nvda +#+END_SRC + +The above transformation can be used within an one-off software environment spawned by =guix shell= as well, for correct environment variables, the =nvda= package may be added into the environment: + +#+BEGIN_SRC shell + guix shell mesa-utils nvda --with-graft=mesa=nvda \ + -- glxinfo +#+END_SRC + +To graft mesa with nvda programmatically, use =replace-mesa= defined in =(nongnu packages nvidia)=: + +#+BEGIN_SRC scheme + (use-modules (nongnu packages nvidia)) + + ;; Replace mesa with nvda for a single package. + (replace-mesa <some-package>) + + ;; Replace mesa with nvda for a package list. + (map replace-mesa (list <some-package> ...)) + + ;; A package with mesa replaced is still a package, it can be part of a + ;; package list. + (list (replace-mesa <some-package>) + ...) +#+END_SRC + +When the card is not used for displaying, environment variables =__GLX_VENDOR_LIBRARY_NAME=nvidia= and =__NV_PRIME_RENDER_OFFLOAD=1= may be set. + ** Substitutes for nonguix A Nonguix substitute server is available at [[https://substitutes.nonguix.org]]. |