feat(users/flokli/ipu6-softisp): init r/7454

This code adds support for the ipu6 webcams via libcamera, based on the work in
https://copr.fedorainfracloud.org/coprs/jwrdegoede/ipu6-softisp/.

It's supposed to be included in your NixOS configuration imports.

Change-Id: Ifb71999ad61161fa23506b97cb449f73fb1270e3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10709
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: flokli <flokli@flokli.de>

1 files changed, 94 insertions, 0 deletions

diff --git a/users/flokli/ipu6-softisp/config.nix b/users/flokli/ipu6-softisp/config.nix
new file mode 100644
index 000000000000..9232d5bc9ee5
--- /dev/null
+++ b/users/flokli/ipu6-softisp/config.nix
@@ -0,0 +1,94 @@
+{ pkgs, lib, ... }:
+
+let
+  libcamera = pkgs.libcamera.overrideAttrs (old: {
+    # This is a mix of #281755 (bump pipewire to 0.2.0),
+    # and the additional ipu6-softisp patches.
+    version = "0.2.0";
+    src = pkgs.fetchgit {
+      url = "https://git.libcamera.org/libcamera/libcamera.git";
+      rev = "v0.2.0";
+      hash = "sha256-x0Im9m9MoACJhQKorMI34YQ+/bd62NdAPc2nWwaJAvM=";
+    };
+
+    mesonFlags = old.mesonFlags or [ ] ++ [
+      "-Dpipelines=simple/simple,ipu3,uvcvideo"
+      "-Dipas=simple/simple,ipu3"
+    ];
+
+    # Explicitly clear list of patches, as #281755 did.
+    # This is
+    # https://copr-dist-git.fedorainfracloud.org/cgit/jwrdegoede/ipu6-softisp/libcamera.git/plain/libcamera-0.2.0-softisp.patch?h=f39&id=60e6b3d5e366a360a75942073dc0d642e4900982,
+    # but manually piped to git and back, as some renames were not processed properly.
+    patches = [
+      ./libcamera/0001-libcamera-pipeline-simple-fix-size-adjustment-in-val.patch
+      ./libcamera/0002-libcamera-internal-Move-dma_heaps.-h-cpp-to-common-d.patch
+      ./libcamera/0003-libcamera-dma_heaps-extend-DmaHeap-class-to-support-.patch
+      ./libcamera/0004-libcamera-internal-Move-SharedMemObject-class-to-a-c.patch
+      ./libcamera/0005-libcamera-internal-Document-the-SharedMemObject-clas.patch
+      ./libcamera/0006-libcamera-introduce-SoftwareIsp-class.patch
+      ./libcamera/0007-libcamera-software_isp-Add-SwStats-base-class.patch
+      ./libcamera/0008-libcamera-software_isp-Add-SwStatsCpu-class.patch
+      ./libcamera/0009-libcamera-software_isp-Add-Debayer-base-class.patch
+      ./libcamera/0010-libcamera-software_isp-Add-DebayerCpu-class.patch
+      ./libcamera/0011-libcamera-ipa-add-Soft-IPA-common-files.patch
+      ./libcamera/0012-libcamera-ipa-Soft-IPA-add-a-Simple-Soft-IPA-impleme.patch
+      ./libcamera/0013-libcamera-software_isp-add-Simple-SoftwareIsp-implem.patch
+      ./libcamera/0014-libcamera-pipeline-simple-rename-converterBuffers_-a.patch
+      ./libcamera/0015-libcamera-pipeline-simple-enable-use-of-Soft-ISP-and.patch
+      ./libcamera/0016-libcamera-swstats_cpu-Add-support-for-8-10-and-12-bp.patch
+      ./libcamera/0017-libcamera-debayer_cpu-Add-support-for-8-10-and-12-bp.patch
+      ./libcamera/0018-libcamera-debayer_cpu-Add-BGR888-output-support.patch
+      ./libcamera/0019-libcamera-pipeline-simple-Enable-simplepipeline-for-.patch
+      ./libcamera/0020-libcamera-Add-support-for-IGIG_GBGR_IGIG_GRGB-bayer-.patch
+      ./libcamera/0021-libcamera-swstats_cpu-Add-support-for-10bpp-IGIG_GBG.patch
+      ./libcamera/0022-libcamera-debayer_cpu-Add-support-for-10bpp-IGIG_GBG.patch
+      ./libcamera/0023-libcamera-Add-Software-ISP-benchmarking-documentatio.patch
+      ./libcamera/0024-ov01a1s-HACK.patch
+      ./libcamera/0025-libcamera-debayer_cpu-Make-the-minimum-size-1280x720.patch
+    ];
+  });
+
+  # compat with libcamera 0.2
+  pipewire' = (pkgs.pipewire.overrideAttrs (old: {
+    patches = old.patches or [ ] ++ [
+      (pkgs.fetchpatch {
+        # https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/1750
+        name = "pipewire-spa-libcamera-use-cameraconfiguration-orientation-pr1750.patch";
+        url = "https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/1750.patch ";
+        hash = "sha256-Ugg913KZDKELnYLwpDEgYh92YPxccw61l6kAJulBbIA=";
+      })
+    ];
+  })).override {
+    inherit libcamera;
+  };
+
+  wireplumber' = (pkgs.wireplumber.override {
+    pipewire = pipewire';
+  });
+in
+{
+  hardware.firmware = [ pkgs.ipu6-camera-bins ];
+
+  boot.kernelPatches = [{
+    name = "linux-kernel-test.patch";
+    patch = pkgs.fetchurl {
+      url = "https://copr-dist-git.fedorainfracloud.org/cgit/jwrdegoede/ipu6-softisp/kernel.git/plain/linux-kernel-test.patch?h=f39&id=0ed76891b2fc08579d08bedb9294a41840007299";
+      hash = "sha256-8hKP4nltGlkzr8iOgsIUT9Tt5i+x4kdLmw/+lFeNoGQ=";
+    };
+    extraStructuredConfig = {
+      # needed for /dev/dma_heap
+      DMABUF_HEAPS_CMA = lib.kernel.yes;
+      DMABUF_HEAPS_SYSTEM = lib.kernel.yes;
+      DMABUF_HEAPS = lib.kernel.yes;
+    };
+  }];
+
+
+  services.udev.extraRules = ''
+    KERNEL=="system", SUBSYSTEM=="dma_heap", TAG+="uaccess"
+  '';
+
+  services.pipewire.package = pipewire';
+  services.pipewire.wireplumber.package = wireplumber';
+}