# How to install SteamOS' wifi, bluetooth, and audio drivers for steam deck oled into Ubuntu 23.10

# dependencies
sudo sed -i 's/# deb-src/deb-src/g' /etc/apt/sources.list
sudo apt update
sudo apt install devscripts libncurses-dev gawk flex bison openssl libssl-dev dkms libelf-dev \
                 libudev-dev libpci-dev libiberty-dev autoconf llvm faust libfaust2 lv2-dev libboost-dev \
                 qtbase5-dev ladspa-sdk liblilv-dev cmake libfreetype-dev libxrandr-dev libxinerama-dev libxcursor-dev 
sudo apt build-dep linux linux-firmware pipewire wireplumber alsa-ucm-conf
apt source linux-firmware pipewire wireplumber alsa-ucm-conf

# kernel + firmware : enables wifi + bluetooth and probably needed for part of audio too.

# kernel 6.7
sudo apt install lz4
wget https://git.kernel.org/torvalds/t/linux-6.7-rc4.tar.gz
wget -O batocera_kernel_config https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_x86_64-defconfig.config
tar xvf linux-6.7-rc4.tar.gz
mkdir batocera_kernel_patches
cd batocera_kernel_patches/
wget \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/0001-wifi-ath11k-move-pci.ops-registration-ahead.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/0002-wifi-ath11k-add-support-for-QCA2066.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/01-linux_15khz.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/05-linux_15khz_amdgpu_pll_fix.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/06-linux_switchres_kms_drm_modesetting.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/07-linux-battery-quircks.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/08-linux-hda-Avoid-outputting-HDMI-audio-before-prepare.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/09-linux-usbhid-quircks.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/10-linux-wiimote-abs-not-hat.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/11-bluetooth-Align-minimum-encryption-key-size.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/12-fsync1_via_futex_waitv.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/13-winesync.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/14-fix-amd.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/16-steam-deck-l2-r2.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/18-ALSA-hda-cs35l41-Support-ASUS-2023-laptops-with-miss.patch \
https://raw.githubusercontent.com/batocera-linux/batocera.linux/bcf785e556c96b27339b9344c4b35fb635027d3c/board/batocera/x86/linux_patches/22-steam-deck-oled-bt-codec.patch
sed -i 's/QCA2066\/hw2.1/QCA206X\/hw2.1/g' 0002-wifi-ath11k-add-support-for-QCA2066.patch
cd ../linux-6.7-rc4
for i in $(ls ../batocera_kernel_patches/); do patch -p1 < ../batocera_kernel_patches/$i; done
cp ../batocera_kernel_config .config
sed -i 's/CONFIG_MODULE_SIG_ALL=y/CONFIG_MODULE_SIG_ALL=n/g' .config
sed -i 's/CONFIG_BT=y/CONFIG_BT=m/g' .config
make clean
make bindeb-pkg -j8
sudo apt install ../linux-image-6.7.0-rc4_6.7.0-rc4-1_amd64.deb ../linux-headers-6.7.0-rc4_6.7.0-rc4-1_amd64.deb 

# kernel 6.1
wget https://gitlab.com/evlaV/linux-integration/-/archive/6.1.52-valve9/linux-integration-6.1.52-valve9.tar.gz
gunzip linux-integration-6.1.52-valve9.tar.gz 
tar xvf linux-integration-6.1.52-valve9.tar
cd linux-integration-6.1.52-valve9/
curl https://termbin.com/9wh9 > .config
make clean
make bindeb-pkg -j9
sudo apt install ../linux-image-6.1.52-valve9_6.1.52-valve9-1_amd64.deb ../linux-headers-6.1.52-valve9_6.1.52-valve9-1_amd64.deb
# In this example the default Ubuntu kernel is still the default, so use the d-pad to switch
# to the linux-6.1.52-valve9 kernel at boot in GRUB. This behavior can be changed to any other by configuring GRUB differently.
sudo sed -i 's/GRUB_TIMEOUT_STYLE=hidden/GRUB_TIMEOUT_STYLE=menu/g' /etc/default/grub
sudo sed -i 's/GRUB_TIMEOUT=0/GRUB_TIMEOUT=10/g' /etc/default/grub
sudo update-grub
cd

# firmware
wget https://gitlab.com/evlaV/linux-firmware-neptune/-/archive/jupiter/linux-firmware-neptune-jupiter.tar.gz
cd linux-firmware-20230919.git3672ccab/
uupdate -v 20231201-neptune-jupiter ../linux-firmware-neptune-jupiter.tar.gz 
cd ../linux-firmware-20231201-neptune-jupiter
sed -i 's/--zstd -19 //' debian/scripts/install-firmware 
sed -i '/WHENCE.ubuntu/d' debian/scripts/install-firmware 
debuild -b -uc -us
sudo apt install ../linux-firmware_20231201-neptune-jupiter-0ubuntu1_amd64.deb
cd

# pipewire + wireplumber + alsa-ucm-conf + noise-suppression-for-voice + valve-hardware-audio-processing : 
# userspace audio drivers edited by Valve and/or different in Ubuntu from Arch Linux in ways that require tweaking
# Together they enable internal speaker + microphone and 3.5mm external speaker + microphone

# wireplumber: Valve fork of wireplumber. install before pipewire to avoid apt uninstalling the edited pipewire
wget https://gitlab.steamos.cloud/jupiter/wireplumber/-/archive/0.4.14-dev23/wireplumber-0.4.14-dev23.tar.gz
cd wireplumber-0.4.14/
uupdate -v 20231202-jupiter ../wireplumber-0.4.14-dev23.tar.gz
cd ../wireplumber-20231202-jupiter
debuild -b -uc -us
sudo apt install ../wireplumber_20231202-jupiter-0ubuntu1_amd64.deb \
                 ../libwireplumber-0.4-0_20231202-jupiter-0ubuntu1_amd64.deb
cd

# pipewire: needs recompilation with lv2 enabled
cd pipewire-0.3.79/
sed -i 's/echo yes/echo no/g' ./debian/rules
debuild -b -uc -us
sudo apt install ../libpipewire-0.3-0_0.3.79-2_amd64.deb \
                 ../libpipewire-0.3-common_0.3.79-2_all.deb \
                 ../libpipewire-0.3-modules_0.3.79-2_amd64.deb \
                 ../libpipewire-0.3-dev_0.3.79-2_amd64.deb \
                 ../libpipewire-0.3-modules-x11_0.3.79-2_amd64.deb \
                 ../pipewire_0.3.79-2_amd64.deb \
                 ../pipewire-alsa_0.3.79-2_amd64.deb \
                 ../pipewire-audio_0.3.79-2_all.deb \
                 ../pipewire-audio-client-libraries_0.3.79-2_all.deb \
                 ../pipewire-bin_0.3.79-2_amd64.deb \
                 ../pipewire-doc_0.3.79-2_all.deb \
                 ../pipewire-jack_0.3.79-2_amd64.deb \
                 ../pipewire-libcamera_0.3.79-2_all.deb \
                 ../pipewire-pulse_0.3.79-2_amd64.deb \
                 ../pipewire-tests_0.3.79-2_amd64.deb \
                 ../pipewire-v4l2_0.3.79-2_amd64.deb
cd

# alsa-ucm-conf : Valve's fork has the Valve-Jupiter-1.conf symbolic link removed
cd alsa-ucm-conf-1.2.9/
sed -i '/gitignore/a \\trm \$(CURDIR)\/debian\/alsa-ucm-conf\/usr\/share\/alsa\/ucm2\/conf.d\/acp5x\/Valve-Jupiter-1.conf' debian/rules 
debuild -b -uc -us
sudo apt install ../alsa-ucm-conf_1.2.9-1ubuntu3_all.deb
cd

# some of the pipewire plugins used by SteamOS
git clone --recursive https://github.com/werman/noise-suppression-for-voice.git
cd noise-suppression-for-voice/
cmake -Bbuild-x64 -H. -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_LIBDIR=lib
ninja -C build-x64
sudo ninja -C  build-x64/ install

# the rest of the pipewire plugins and the pipewire configuration used by SteamOS
git clone --recursive https://gitlab.com/evlaV/valve-hardware-audio-processing.git
cd valve-hardware-audio-processing/
curl https://termbin.com/hsq9 | git apply -v
make
sudo make install
cd

# reboot into newly installed kernel. for me everything works from this point on.
sudo reboot

### IF AUDIO STILL NOT WORKING: ###
# useful commands for troubleshooting audio
# look for firmware loading errors
sudo dmesg 
# in a large terminal, restart pipewire, then immediately check status several times rapidly to look for red errors that stand out
systemctl --user restart pipewire.socket pipewire.service wireplumber.service pipewire-pulse.socket pipewire-pulse.service
systemctl --user status pipewire.socket pipewire.service wireplumber.service pipewire-pulse.socket pipewire-pulse.service