init: x13s module and packages

packages/pd-mapper/default.nix

@@ -0,0 +1,36 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  qrtr,
+  xz,
+}:
+
+stdenv.mkDerivation {
+  pname = "pd-mapper";
+  version = "unstable-2023-09-01";
+
+  buildInputs = [
+    qrtr
+    xz
+  ];
+
+  src = fetchFromGitHub {
+    owner = "andersson";
+    repo = "pd-mapper";
+    rev = "10997ba7c43a3787a40b6b1b161408033e716374";
+    hash = "sha256-qGrYNoPCxtdpTdbkSmB39+6/pSXml96Aul8b9opF9Lc=";
+  };
+
+  patches = [ ./pd-mapper-firmware-path.diff ];
+
+  installFlags = [ "prefix=$(out)" ];
+
+  meta = with lib; {
+    description = "Qualcomm PD mapper";
+    homepage = "https://github.com/andersson/pd-mapper";
+    license = licenses.bsd3;
+    mainProgram = "pd-mapper";
+    platforms = platforms.aarch64;
+  };
+}

packages/pd-mapper/pd-mapper-firmware-path.diff

@@ -0,0 +1,13 @@
+diff --git a/pd-mapper.c b/pd-mapper.c
+index 65c4b80..669d9a0 100644
+--- a/pd-mapper.c
++++ b/pd-mapper.c
+@@ -194,7 +194,7 @@ static int pd_load_map(const char *file)
+ }
+ 
+ #ifndef ANDROID
+-#define FIRMWARE_BASE	"/lib/firmware/"
++#define FIRMWARE_BASE	"/run/current-system/firmware/"
+ #else
+ #define FIRMWARE_BASE	"/vendor/firmware/"
+ #endif