ambevar-dotfiles/.config/guix/system/laptop-mimimi.scm

144 lines
5.3 KiB
Scheme

;; With Eshell:
;; *sudo -E guix system -L ~/.config/guix/system reconfigure ~/.config/guix/system/laptop-mimimi.scm
(define-module (laptop-mimimi)
#:use-module (default)
#:use-module (nongnu packages linux)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (gnu bootloader grub)
#:use-module (gnu bootloader)
#:use-module (gnu packages linux)
#:use-module (gnu system mapped-devices)
#:use-module (gnu system file-systems)
#:use-module (gnu system)
#:use-module (guix build-system trivial)
#:use-module (guix download)
#:use-module (guix gexp)
#:use-module (guix git-download)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (srfi srfi-1)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services xorg)
#:use-module (gnu packages xorg))
(define linux-xiaomi-air-13
(package
(inherit linux-libre)
(name "linux-xiaomi-air-13")
;; (version "5.1.1")
;; To follow linux-libre version, we can use the following, but this will
;; break if we don't immediately update the checksum.
(version (package-version linux-libre))
(source
(origin
(method url-fetch)
(uri
(string-append
"https://www.kernel.org/pub/linux/kernel/v"
(version-major version)
".x/linux-" version ".tar.xz"))
(sha256
(base32
"00j8sdrmmppqf38vl50a4zas5gy7yv37n43b61f8472k45773jf6"))))
(home-page "https://www.kernel.org/")
(synopsis "Vanilla Linux kernel")
(description "Vanilla Linux kernel which allows for non-free kernel modules / firmware.")
;; To build a custom kernel, pass it an alternate "kconfig":
;; (native-inputs
;; `(("kconfig" ,(local-file "./linux-laptop.conf"))
;; ,@(alist-delete "kconfig" (package-native-inputs linux-libre))))
))
(define %mimimi/power-tweaks
;; TODO: The following service starts too soon and results in a kernel panic
;; because /sys/... is not found.
(simple-service
'my-/sys-tweaks activation-service-type
;; >> echo '1' > '/sys/module/snd_hda_intel/parameters/power_save';
#~(call-with-output-file "/sys/module/snd_hda_intel/parameters/power_save"
(lambda (port)
(display "1" port)))
;; >> echo 'auto' > '/sys/bus/usb/devices/1-6/power/control';
;; >> echo 'auto' > '/sys/bus/usb/devices/1-7/power/control';
;; >> echo 'auto' > '/sys/bus/i2c/devices/i2c-2/device/power/control';
;; >> echo 'auto' > '/sys/bus/pci/devices/0000:02:00.0/power/control';
))
(define %mimimi/xorg-modules
;; Everything but Nouveau.
(delete xf86-video-nouveau %default-xorg-modules))
(define %mimimi/xorg-touchpad
"Section \"InputClass\"
Identifier \"Touchpads\"
Driver \"libinput\"
MatchDevicePath \"/dev/input/event*\"
MatchIsTouchpad \"on\"
Option \"DisableWhileTyping\" \"on\"
Option \"MiddleEmulation\" \"on\"
Option \"ClickMethod\" \"clickfinger\"
Option \"ScrollMethod\" \"twofinger\"
Option \"NaturalScrolling\" \"true\"
EndSection")
(define %mimimi/backlight-udev-rule
;; Allow members of the "video" group to change the screen brightness.
(udev-rule
"90-backlight.rules"
(string-append "ACTION==\"add\", SUBSYSTEM==\"backlight\", "
"RUN+=\"/run/current-system/profile/bin/chgrp video /sys/class/backlight/%k/brightness\""
"\n"
"ACTION==\"add\", SUBSYSTEM==\"backlight\", "
"RUN+=\"/run/current-system/profile/bin/chmod g+w /sys/class/backlight/%k/brightness\"")))
(define %mimimi/services
(cons*
;; %ambrevar/power-tweaks
(modify-services
%ambrevar/services
(udev-service-type config =>
(udev-configuration
(inherit config)
(rules (append (udev-configuration-rules config)
(list %mimimi/backlight-udev-rule)))))
(gdm-service-type config =>
(gdm-configuration
(inherit config)
(default-user "ambrevar")
;; (auto-login? #t)
(xorg-configuration
(xorg-configuration
(modules %mimimi/xorg-modules)
(extra-config (list %mimimi/xorg-touchpad)))))))))
(operating-system
(inherit default-operating-system)
(host-name "mimimi")
(kernel linux-xiaomi-air-13)
;; The UUID is that returned by 'cryptsetup luksUUID'.
(mapped-devices
(list (mapped-device
(source (uuid "b29cb68b-b154-4228-a131-34e9c474b0bd"))
(target "guix")
(type luks-device-mapping))))
(file-systems (cons* (file-system
(device (file-system-label "guix"))
(mount-point "/")
(type "ext4")
(dependencies mapped-devices))
(file-system
(device (uuid "4E30-891F" 'fat))
(mount-point "/boot/efi")
(type "vfat"))
(file-system
(mount-point "/tmp")
(device "none")
(type "tmpfs")
(check? #f))
%base-file-systems))
(services %mimimi/services))