universal7885: Include a radio wrapper

vendor.samsung.hardware.radio@2.1 extends android.hardware.radio@1.4 which can be casted and registered

universal7885-common/hidl-packages/radio/Android.bp

@@ -0,0 +1,21 @@
+cc_binary {
+    name: "android.hardware.radio@1.4-service.samsung",
+    init_rc: ["android.hardware.radio@1.4-service.samsung.rc"],
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: [
+        "service.cpp",
+    ],
+    shared_libs: [
+        "libhidlbase",
+        "liblog",
+        "libutils",
+        "android.hardware.radio@1.0",
+        "android.hardware.radio@1.1",
+        "android.hardware.radio@1.2",
+        "android.hardware.radio@1.3",
+        "android.hardware.radio@1.4",
+        "vendor.samsung.hardware.radio@2.1",
+        "android.hidl.safe_union@1.0",
+    ],
+}

universal7885-common/hidl-packages/radio/android.hardware.radio@1.4-service.samsung.rc

@@ -0,0 +1,4 @@
+service vendor.radio-1-4 /vendor/bin/hw/android.hardware.radio@1.4-service.samsung
+    class hal
+    user system
+    group system

universal7885-common/hidl-packages/radio/service.cpp

@@ -0,0 +1,38 @@
+#define LOG_TAG "android.hardware.radio@1.4-service.samsung"
+
+#include <android/hardware/radio/1.4/IRadio.h>
+#include <hidl/HidlTransportSupport.h>
+#include <vendor/samsung/hardware/radio/2.1/ISehRadio.h>
+
+using android::OK;
+using android::sp;
+using android::status_t;
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::hardware::radio::V1_4::IRadio;
+using vendor::samsung::hardware::radio::V2_1::ISehRadio;
+
+#define SLOT_1 "slot1"
+#define SLOT_2 "slot2"
+
+static void registerInstance(const char *name) {
+  sp<ISehRadio> sehRadio = ISehRadio::getService(name);
+  sp<IRadio> radio = IRadio::castFrom(static_cast<sp<IRadio>>(sehRadio));
+  if (radio) {
+    status_t status = radio->registerAsService(name);
+    ALOGW_IF(status != OK, "Could not register IRadio v1.4 %s", name);
+  } else {
+    ALOGE("Failed to cast to Radio V1.4");
+  }
+}
+
+int main(void) {
+  configureRpcThreadpool(1, true);
+
+  registerInstance(SLOT_1);
+  registerInstance(SLOT_2);
+  ALOGD("Default service is ready.");
+
+  joinRpcThreadpool();
+  return 1;
+}

universal7885-common/sepolicy/vendor/file_contexts

@@ -217,6 +217,7 @@
 /(vendor|system/vendor)/bin/hw/vendor\.samsung\.hardware\.gnss@[0-9]\.[0-9]-service           u:object_r:hal_gnss_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.sensors@[0-9]\.[0-9]-service\.a10	              u:object_r:hal_sensors_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.power\.stats-service\.exynos7			u:object_r:hal_power_stats_default_exec:s0
+/(vendor|system/vendor)/bin/hw/android\.hardware\.radio@1\.4-service\.samsung                 u:object_r:hal_radio_default_exec:s0
 /(vendor|system/vendor)/firmware(/.*)?       u:object_r:vendor_firmware_file:s0
 
 /factory(/.*)?									u:object_r:sec_efs_file:s0

universal7885-common/universal7885-common.mk

@@ -275,12 +275,10 @@ PRODUCT_COPY_FILES += \
 
 # RIL
 PRODUCT_PACKAGES += \
-    android.hardware.radio@1.4.vendor \
+    android.hardware.radio@1.4-service.samsung \
     android.hardware.radio@1.0 \
     android.hardware.radio.config@1.2.vendor \
     android.hardware.radio.deprecated@1.0.vendor \
-    vendor.samsung.hardware.radio@2.1.vendor \
-    vendor.samsung.hardware.radio.channel@2.0.vendor
 
 PRODUCT_PACKAGES += \
     secril_config_svc