Update USB HAL to V1.3 implementation

Supports to enable/disable USB data signaling

Bug: 161414036
Test: Pass USB V1.3 HIDL tests
Signed-off-by: Albert Wang <albertccwang@google.com>
Change-Id: I3dbcdaee16aaee96835a961bae33d97521d0756d

7 files changed, 123 insertions, 53 deletions

diff --git a/usb/Android.bp b/usb/Android.bp
index 36cc577..7f21727 100644
--- a/usb/Android.bp
+++ b/usb/Android.bp
@@ -1,5 +1,5 @@
 //
-// Copyright (C) 2020 The Android Open Source Project
+// Copyright (C) 2021 The Android Open Source Project
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -18,11 +18,11 @@ package {
 }
 
 cc_binary {
-    name: "android.hardware.usb@1.2-service.bramble",
+    name: "android.hardware.usb@1.3-service.bramble",
     relative_install_path: "hw",
-    init_rc: ["android.hardware.usb@1.2-service.bramble.rc"],
+    init_rc: ["android.hardware.usb@1.3-service.bramble.rc"],
     vintf_fragments: [
-        "android.hardware.usb@1.2-service.bramble.xml",
+        "android.hardware.usb@1.3-service.bramble.xml",
         "android.hardware.usb.gadget@1.2-service.bramble.xml",
     ],
     srcs: ["service.cpp", "Usb.cpp", "UsbGadget.cpp"],
@@ -30,6 +30,7 @@ cc_binary {
         "android.hardware.usb@1.0",
         "android.hardware.usb@1.1",
         "android.hardware.usb@1.2",
+        "android.hardware.usb@1.3",
         "android.hardware.usb.gadget@1.0",
         "android.hardware.usb.gadget@1.1",
         "android.hardware.usb.gadget@1.2",
diff --git a/usb/Usb.cpp b/usb/Usb.cpp
index cbc6c95..407d302 100644
--- a/usb/Usb.cpp
+++ b/usb/Usb.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2021 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.usb@1.2-service.bramble"
+#define LOG_TAG "android.hardware.usb@1.3-service.bramble"
 
 #include <android-base/logging.h>
 #include <android-base/properties.h>
@@ -41,9 +41,49 @@ using android::base::GetProperty;
 namespace android {
 namespace hardware {
 namespace usb {
-namespace V1_2 {
+namespace V1_3 {
 namespace implementation {
 
+Return<bool> Usb::enableUsbDataSignal(bool enable) {
+    bool result = true;
+
+    ALOGI("Userspace turn %s USB data signaling", enable ? "on" : "off");
+
+    if (enable) {
+        if (!WriteStringToFile("1", USB_DATA_PATH)) {
+            ALOGE("Not able to turn on usb connection notification");
+            result = false;
+        }
+
+        if (!WriteStringToFile(kGadgetName, PULLUP_PATH)) {
+            ALOGE("Gadget cannot be pulled up");
+            result = false;
+        }
+    } else {
+        if (!WriteStringToFile("1", ID_PATH)) {
+            ALOGE("Not able to turn off host mode");
+            result = false;
+        }
+
+        if (!WriteStringToFile("0", VBUS_PATH)) {
+            ALOGE("Not able to set Vbus state");
+            result = false;
+        }
+
+        if (!WriteStringToFile("0", USB_DATA_PATH)) {
+            ALOGE("Not able to turn on usb connection notification");
+            result = false;
+        }
+
+        if (!WriteStringToFile("none", PULLUP_PATH)) {
+            ALOGE("Gadget cannot be pulled down");
+            result = false;
+        }
+    }
+
+    return result;
+}
+
 // Set by the signal handler to destroy the thread
 volatile bool destroyThread;
 
@@ -52,8 +92,7 @@ constexpr char kDetectedPath[] = "/sys/class/power_supply/usb/moisture_detected"
 constexpr char kConsole[] = "init.svc.console";
 constexpr char kDisableContatminantDetection[] = "vendor.usb.contaminantdisable";
 
-void queryVersionHelper(android::hardware::usb::V1_2::implementation::Usb *usb,
-                        hidl_vec<PortStatus> *currentPortStatus_1_2);
+void queryVersionHelper(implementation::Usb *usb, hidl_vec<PortStatus> *currentPortStatus_1_2);
 
 int32_t readFile(const std::string &filename, std::string *contents) {
     FILE *fp;
@@ -104,9 +143,9 @@ Status queryMoistureDetectionStatus(hidl_vec<PortStatus> *currentPortStatus_1_2)
 
     (*currentPortStatus_1_2)[0].supportedContaminantProtectionModes = 0;
     (*currentPortStatus_1_2)[0].supportedContaminantProtectionModes |=
-        ContaminantProtectionMode::FORCE_SINK;
-    (*currentPortStatus_1_2)[0].contaminantProtectionStatus = ContaminantProtectionStatus::NONE;
-    (*currentPortStatus_1_2)[0].contaminantDetectionStatus = ContaminantDetectionStatus::DISABLED;
+        V1_2::ContaminantProtectionMode::FORCE_SINK;
+    (*currentPortStatus_1_2)[0].contaminantProtectionStatus = V1_2::ContaminantProtectionStatus::NONE;
+    (*currentPortStatus_1_2)[0].contaminantDetectionStatus = V1_2::ContaminantDetectionStatus::DISABLED;
     (*currentPortStatus_1_2)[0].supportsEnableContaminantPresenceDetection = true;
     (*currentPortStatus_1_2)[0].supportsEnableContaminantPresenceProtection = false;
 
@@ -122,12 +161,12 @@ Status queryMoistureDetectionStatus(hidl_vec<PortStatus> *currentPortStatus_1_2)
         }
         if (status == "1") {
             (*currentPortStatus_1_2)[0].contaminantDetectionStatus =
-                ContaminantDetectionStatus::DETECTED;
+                V1_2::ContaminantDetectionStatus::DETECTED;
             (*currentPortStatus_1_2)[0].contaminantProtectionStatus =
-                ContaminantProtectionStatus::FORCE_SINK;
+                V1_2::ContaminantProtectionStatus::FORCE_SINK;
         } else
             (*currentPortStatus_1_2)[0].contaminantDetectionStatus =
-                ContaminantDetectionStatus::NOT_DETECTED;
+                V1_2::ContaminantDetectionStatus::NOT_DETECTED;
     }
 
      ALOGI("ContaminantDetectionStatus:%d ContaminantProtectionStatus:%d",
@@ -556,8 +595,7 @@ done:
     return Status::ERROR;
 }
 
-void queryVersionHelper(android::hardware::usb::V1_2::implementation::Usb *usb,
-                        hidl_vec<PortStatus> *currentPortStatus_1_2) {
+void queryVersionHelper(implementation::Usb *usb, hidl_vec<PortStatus> *currentPortStatus_1_2) {
     hidl_vec<V1_1::PortStatus_1_1> currentPortStatus_1_1;
     hidl_vec<V1_0::PortStatus> currentPortStatus;
     Status status;
@@ -608,7 +646,7 @@ Return<void> Usb::queryPortStatus() {
 
 struct data {
     int uevent_fd;
-    android::hardware::usb::V1_2::implementation::Usb *usb;
+    android::hardware::usb::V1_3::implementation::Usb *usb;
 };
 
 static void uevent_event(uint32_t /*epevents*/, struct data *payload) {
@@ -681,7 +719,7 @@ void *work(void *param) {
     }
 
     payload.uevent_fd = uevent_fd;
-    payload.usb = (android::hardware::usb::V1_2::implementation::Usb *)param;
+    payload.usb = (android::hardware::usb::V1_3::implementation::Usb *)param;
 
     fcntl(uevent_fd, F_SETFL, O_NONBLOCK);
 
@@ -796,7 +834,7 @@ Return<void> Usb::setCallback(const sp<V1_0::IUsbCallback> &callback) {
 }
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_3
 }  // namespace usb
 }  // namespace hardware
 }  // namespace android
diff --git a/usb/Usb.h b/usb/Usb.h
index 65be180..f902754 100644
--- a/usb/Usb.h
+++ b/usb/Usb.h
@@ -1,10 +1,27 @@
-#ifndef ANDROID_HARDWARE_USB_V1_1_USB_H
-#define ANDROID_HARDWARE_USB_V1_1_USB_H
+/*
+ * Copyright (C) 2021 The Android Open Source 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 <android-base/file.h>
 #include <android/hardware/usb/1.2/IUsb.h>
 #include <android/hardware/usb/1.2/IUsbCallback.h>
 #include <android/hardware/usb/1.2/types.h>
+#include <android/hardware/usb/1.3/IUsb.h>
 #include <hidl/Status.h>
+#include <pixelusb/UsbGadgetCommon.h>
 #include <utils/Log.h>
 
 #define UEVENT_MSG_LEN 2048
@@ -17,10 +34,11 @@
 namespace android {
 namespace hardware {
 namespace usb {
-namespace V1_2 {
+namespace V1_3 {
 namespace implementation {
 
 using ::android::sp;
+using ::android::base::WriteStringToFile;
 using ::android::hardware::hidl_array;
 using ::android::hardware::hidl_memory;
 using ::android::hardware::hidl_string;
@@ -32,21 +50,27 @@ using ::android::hardware::usb::V1_0::PortPowerRole;
 using ::android::hardware::usb::V1_0::PortRole;
 using ::android::hardware::usb::V1_0::PortRoleType;
 using ::android::hardware::usb::V1_0::Status;
-using ::android::hardware::usb::V1_2::IUsb;
-using ::android::hardware::usb::V1_2::IUsbCallback;
-
 using ::android::hardware::usb::V1_1::PortMode_1_1;
 using ::android::hardware::usb::V1_1::PortStatus_1_1;
+using ::android::hardware::usb::V1_2::IUsbCallback;
 using ::android::hardware::usb::V1_2::PortStatus;
+using ::android::hardware::usb::V1_3::IUsb;
 using ::android::hidl::base::V1_0::DebugInfo;
 using ::android::hidl::base::V1_0::IBase;
 
 enum class HALVersion{
     V1_0,
     V1_1,
-    V1_2
+    V1_2,
+    V1_3
 };
 
+constexpr char kGadgetName[] = "a600000.dwc3";
+#define SOC_PATH "/sys/devices/platform/soc/a600000.ssusb/"
+#define ID_PATH SOC_PATH "id"
+#define VBUS_PATH SOC_PATH "b_sess"
+#define USB_DATA_PATH SOC_PATH "usb_data_enabled"
+
 struct Usb : public IUsb {
     Usb();
 
@@ -55,6 +79,7 @@ struct Usb : public IUsb {
     Return<void> queryPortStatus() override;
     Return<void> enableContaminantPresenceDetection(const hidl_string& portName, bool enable);
     Return<void> enableContaminantPresenceProtection(const hidl_string& portName, bool enable);
+    Return<bool> enableUsbDataSignal(bool enable) override;
 
     sp<V1_0::IUsbCallback> mCallback_1_0;
     // Protects mCallback variable
@@ -73,9 +98,7 @@ struct Usb : public IUsb {
 };
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_3
 }  // namespace usb
 }  // namespace hardware
 }  // namespace android
-
-#endif  // ANDROID_HARDWARE_USB_V1_2_USB_H
diff --git a/usb/android.hardware.usb@1.2-service.bramble.rc b/usb/android.hardware.usb@1.2-service.bramble.rc
deleted file mode 100644
index db3cf2d..0000000
--- a/usb/android.hardware.usb@1.2-service.bramble.rc
+++ /dev/null
@@ -1,18 +0,0 @@
-service vendor.usb-hal-1-2 /vendor/bin/hw/android.hardware.usb@1.2-service.bramble
-    class hal
-    user system
-    group system shell mtp
-
-service init-gadgethal-sh /vendor/bin/init.gadgethal.sh
-    class hal
-    user root
-    disabled
-    oneshot
-
-on boot
-    chown root system /sys/class/typec/port0/power_role
-    chown root system /sys/class/typec/port0/data_role
-    chown root system /sys/class/typec/port0/port_type
-    chmod 664 /sys/class/typec/port0/power_role
-    chmod 664 /sys/class/typec/port0/data_role
-    chmod 664 /sys/class/typec/port0/port_type
diff --git a/usb/android.hardware.usb@1.3-service.bramble.rc b/usb/android.hardware.usb@1.3-service.bramble.rc
new file mode 100644
index 0000000..8863ad8
--- /dev/null
+++ b/usb/android.hardware.usb@1.3-service.bramble.rc
@@ -0,0 +1,26 @@
+service vendor.usb-hal-1-3 /vendor/bin/hw/android.hardware.usb@1.3-service.bramble
+    class hal
+    user system
+    group system shell mtp
+
+service init-gadgethal-sh /vendor/bin/init.gadgethal.sh
+    class hal
+    user root
+    disabled
+    oneshot
+
+on boot
+    chown root system /sys/class/typec/port0/power_role
+    chown root system /sys/class/typec/port0/data_role
+    chown root system /sys/class/typec/port0/port_type
+    chmod 664 /sys/class/typec/port0/power_role
+    chmod 664 /sys/class/typec/port0/data_role
+    chmod 664 /sys/class/typec/port0/port_type
+
+on post-fs
+    chown root system /sys/devices/platform/soc/a600000.ssusb/id
+    chown root system /sys/devices/platform/soc/a600000.ssusb/b_sess
+    chown root system /sys/devices/platform/soc/a600000.ssusb/usb_data_enabled
+    chmod 664 /sys/devices/platform/soc/a600000.ssusb/id
+    chmod 664 /sys/devices/platform/soc/a600000.ssusb/b_sess
+    chmod 664 /sys/devices/platform/soc/a600000.ssusb/usb_data_enabled
diff --git a/usb/android.hardware.usb@1.2-service.bramble.xml b/usb/android.hardware.usb@1.3-service.bramble.xml
index 25ecf65..cd54268 100644
--- a/usb/android.hardware.usb@1.2-service.bramble.xml
+++ b/usb/android.hardware.usb@1.3-service.bramble.xml
@@ -2,7 +2,7 @@
     <hal format="hidl">
         <name>android.hardware.usb</name>
         <transport>hwbinder</transport>
-        <version>1.2</version>
+        <version>1.3</version>
         <interface>
             <name>IUsb</name>
             <instance>default</instance>
diff --git a/usb/service.cpp b/usb/service.cpp
index 94872aa..49d2ec3 100644
--- a/usb/service.cpp
+++ b/usb/service.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright (C) 2021 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.usb@1.2-service.bramble"
+#define LOG_TAG "android.hardware.usb@1.3-service.bramble"
 
 #include <hidl/HidlTransportSupport.h>
 #include "Usb.h"
@@ -29,8 +29,8 @@ using android::hardware::joinRpcThreadpool;
 // Generated HIDL files
 using android::hardware::usb::gadget::V1_2::IUsbGadget;
 using android::hardware::usb::gadget::V1_2::implementation::UsbGadget;
-using android::hardware::usb::V1_2::IUsb;
-using android::hardware::usb::V1_2::implementation::Usb;
+using android::hardware::usb::V1_3::IUsb;
+using android::hardware::usb::V1_3::implementation::Usb;
 
 using android::OK;
 using android::status_t;