sm7125-common: Import touch HAL from hardware/samsung and add singletap support

Change-Id: I667f7a260e2ef1db24cbaa804897cf28a0cec9da

common.mk

@@ -377,6 +377,10 @@ PRODUCT_PACKAGES += \
     android.hardware.thermal@2.0.vendor \
     android.frameworks.cameraservice.service@2.1.vendor
 
+# Touch features
+PRODUCT_PACKAGES += \
+    vendor.lineage.touch@1.0-service.sm7125
+
 # Vendor service manager
 PRODUCT_PACKAGES += \
     vndservicemanager

configs/manifest.xml

@@ -292,6 +292,19 @@
         </interface>
         <fqname>@1.0::IQSEECom/default</fqname>
     </hal>
+    <hal format="hidl">
+        <name>vendor.lineage.touch</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>IGloveMode</name>
+            <instance>default</instance>
+        </interface>
+        <interface>
+            <name>ITouchscreenGesture</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" override="true">
         <name>vendor.qti.hardware.radio.am</name>
         <transport>hwbinder</transport>

sepolicy/vendor/file_contexts

@@ -57,7 +57,7 @@
 /(vendor|system/vendor)/bin/hw/android\.hardware\.power(@[0-9]\.[0-9])?-service\.samsung-libperfmgr         u:object_r:hal_power_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.nfc@[0-9]\.[0-9]-service\.samsung                         u:object_r:hal_nfc_default_exec:s0
 /(vendor|system/vendor)/bin/hw/vendor\.lineage\.fastcharge@[0-9]\.[0-9]-service\.samsung                    u:object_r:hal_lineage_fastcharge_default_exec:s0
-/(vendor|system/vendor)/bin/hw/vendor\.lineage\.touch\@[0-9]\.[0-9]-service.samsung                         u:object_r:hal_lineage_touch_default_exec:s0
+/(vendor|system/vendor)/bin/hw/vendor\.lineage\.touch\@[0-9]\.[0-9]-service.sm7125                          u:object_r:hal_lineage_touch_default_exec:s0
 /(vendor|system/vendor)/bin/secril_config_svc                                                               u:object_r:secril_config_svc_exec:s0
 /(vendor|system/vendor)/bin/hw/vendor\.lineage\.livedisplay@2\.0-service.samsung-qcom\.sm7125               u:object_r:hal_lineage_livedisplay_sysfs_exec:s0
 /(vendor|system/vendor)/bin/hw/android.hardware.biometrics.fingerprint@2.3-service-samsung.sm7125           u:object_r:hal_fingerprint_default_exec:s0

sepolicy/vendor/hal_lineage_touch_default.te

@@ -0,0 +1,5 @@
+# hal_lineage_touch_default.te
+
+allow hal_lineage_touch_default sysfs_sec_touchscreen:dir search;
+allow hal_lineage_touch_default sysfs_sec_touchscreen:file r_file_perms;
+allow hal_lineage_touch_default sysfs_touchscreen_writable:file rw_file_perms;

touch/Android.bp

@@ -0,0 +1,36 @@
+// Copyright (C) 2019 The LineageOS Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_binary {
+    name: "vendor.lineage.touch@1.0-service.sm7125",
+    init_rc: ["vendor.lineage.touch@1.0-service.sm7125.rc"],
+    defaults: ["hidl_defaults"],
+    relative_install_path: "hw",
+    // FIXME: this should be 'vendor: true' for modules that will eventually be
+    // on AOSP.
+    proprietary: true,
+    local_include_dirs: ["include"],
+    srcs: [
+        "GloveMode.cpp",
+        "TouchscreenGesture.cpp",
+        "service.cpp"
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "libhidlbase",
+        "libutils",
+        "vendor.lineage.touch@1.0",
+    ],
+}

touch/GloveMode.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2019 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fstream>
+
+#include "GloveMode.h"
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace samsung {
+
+bool GloveMode::isSupported() {
+    std::ifstream file(TSP_CMD_LIST_NODE);
+    if (file.is_open()) {
+        std::string line;
+        while (getline(file, line)) {
+            if (!line.compare("glove_mode")) return true;
+        }
+        file.close();
+    }
+    return false;
+}
+
+// Methods from ::vendor::lineage::touch::V1_0::IGloveMode follow.
+Return<bool> GloveMode::isEnabled() {
+    std::ifstream file(TSP_CMD_RESULT_NODE);
+    if (file.is_open()) {
+        std::string line;
+        getline(file, line);
+        if (!line.compare("glove_mode,1:OK")) return true;
+        file.close();
+    }
+    return false;
+}
+
+Return<bool> GloveMode::setEnabled(bool enabled) {
+    std::ofstream file(TSP_CMD_NODE);
+    file << "glove_mode," << (enabled ? "1" : "0");
+    return true;
+}
+
+}  // namespace samsung
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/GloveMode.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2019-2022 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <vendor/lineage/touch/1.0/IGloveMode.h>
+#include "samsung_touch.h"
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace samsung {
+
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+class GloveMode : public IGloveMode {
+  public:
+    GloveMode() = default;
+
+    bool isSupported();
+
+    // Methods from ::vendor::lineage::touch::V1_0::IGloveMode follow.
+    Return<bool> isEnabled() override;
+    Return<bool> setEnabled(bool enabled) override;
+
+    // Methods from ::android::hidl::base::V1_0::IBase follow.
+};
+
+}  // namespace samsung
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/TouchscreenGesture.cpp

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2019 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <fstream>
+
+#include "TouchscreenGesture.h"
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace samsung {
+
+static constexpr const char* kTspPath = TSP_CMD_NODE;
+
+const std::map<int32_t, TouchscreenGesture::GestureInfo> TouchscreenGesture::kGestureInfoMap = {
+    // clang-format off
+    {0, {0x1c7, "Single Tap"}},
+    // clang-format on
+};
+
+bool TouchscreenGesture::isSupported() {
+    std::ifstream file(kTspPath);
+    return file.good();
+}
+
+// Methods from ::vendor::lineage::touch::V1_0::ITouchscreenGesture follow.
+Return<void> TouchscreenGesture::getSupportedGestures(getSupportedGestures_cb resultCb) {
+    std::vector<Gesture> gestures;
+
+    for (const auto& entry : kGestureInfoMap) {
+        gestures.push_back({entry.first, entry.second.name, entry.second.keycode});
+    }
+    resultCb(gestures);
+
+    return Void();
+}
+
+Return<bool> TouchscreenGesture::setGestureEnabled(
+    const ::vendor::lineage::touch::V1_0::Gesture&, bool enabled) {
+    std::fstream file(kTspPath);
+
+    file << "singletap_enable," << (enabled ? "1" : "0");
+
+    return !file.fail();
+}
+
+// Methods from ::android::hidl::base::V1_0::IBase follow.
+
+}  // namespace samsung
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/TouchscreenGesture.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2019-2022 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <vendor/lineage/touch/1.0/ITouchscreenGesture.h>
+#include "samsung_touch.h"
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace samsung {
+
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+class TouchscreenGesture : public ITouchscreenGesture {
+  public:
+    bool isSupported();
+
+    // Methods from ::vendor::lineage::touch::V1_0::ITouchscreenGesture follow.
+    Return<void> getSupportedGestures(getSupportedGestures_cb resultCb) override;
+    Return<bool> setGestureEnabled(const ::vendor::lineage::touch::V1_0::Gesture& gesture,
+                                   bool enabled) override;
+
+  private:
+    typedef struct {
+        int32_t keycode;
+        const char* name;
+    } GestureInfo;
+    static const std::map<int32_t, GestureInfo> kGestureInfoMap;  // id -> info
+};
+
+// FIXME: most likely delete, this is only for passthrough implementations
+// extern "C" ITouchscreenGesture* HIDL_FETCH_ITouchscreenGesture(const char* name);
+
+}  // namespace samsung
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/include/samsung_touch.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2021 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SAMSUNG_TOUCH_H
+#define SAMSUNG_TOUCH_H
+
+/*
+ * Board specific nodes
+ *
+ * If your kernel exposes these controls in another place, you can either
+ * symlink to the locations given here, or override this header in your
+ * device tree.
+ */
+
+// For GloveMode
+#define TSP_CMD_LIST_NODE "/sys/class/sec/tsp/cmd_list"
+#define TSP_CMD_RESULT_NODE "/sys/class/sec/tsp/cmd_result"
+#define TSP_CMD_NODE "/sys/class/sec/tsp/cmd"
+
+#endif  // SAMSUNG_TOUCH_H

touch/service.cpp

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2019 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "vendor.lineage.touch@1.0-service.samsung"
+
+#include <android-base/logging.h>
+#include <binder/ProcessState.h>
+#include <hidl/HidlTransportSupport.h>
+
+#include "GloveMode.h"
+#include "TouchscreenGesture.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::sp;
+using android::status_t;
+using android::OK;
+
+using ::vendor::lineage::touch::V1_0::samsung::GloveMode;
+using ::vendor::lineage::touch::V1_0::samsung::TouchscreenGesture;
+
+int main() {
+    sp<GloveMode> gloveMode;
+    sp<TouchscreenGesture> touchscreenGesture;
+    status_t status;
+
+    LOG(INFO) << "Touch HAL service is starting.";
+
+    gloveMode = new GloveMode();
+    if (gloveMode == nullptr) {
+        LOG(ERROR) << "Can not create an instance of Touch HAL GloveMode Iface, exiting.";
+        goto shutdown;
+    }
+
+    touchscreenGesture = new TouchscreenGesture();
+    if (touchscreenGesture == nullptr) {
+        LOG(ERROR) << "Can not create an instance of Touch HAL TouchscreenGesture Iface, exiting.";
+        goto shutdown;
+    }
+
+    configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+    if (gloveMode->isSupported()) {
+        status = gloveMode->registerAsService();
+        if (status != OK) {
+            LOG(ERROR) << "Could not register service for Touch HAL GloveMode Iface (" << status
+                       << ")";
+            goto shutdown;
+        }
+    }
+
+    if (touchscreenGesture->isSupported()) {
+        status = touchscreenGesture->registerAsService();
+        if (status != OK) {
+            LOG(ERROR) << "Could not register service for Touch HAL TouchscreenGesture Iface ("
+                       << status << ")";
+            goto shutdown;
+        }
+    }
+
+    LOG(INFO) << "Touch HAL service is ready.";
+    joinRpcThreadpool();
+// Should not pass this line
+
+shutdown:
+    // In normal operation, we don't expect the thread pool to shutdown
+    LOG(ERROR) << "Touch HAL service is shutting down.";
+    return 1;
+}

touch/vendor.lineage.touch@1.0-service.sm7125.rc

@@ -0,0 +1,4 @@
+service vendor.touch-hal-1-0 /vendor/bin/hw/vendor.lineage.touch@1.0-service.sm7125
+    class hal
+    user system
+    group system