From 64a6ce36c8f52bb102be5485f5a0fd03e8af85e1 Mon Sep 17 00:00:00 2001 From: Tim Zimmermann Date: Thu, 25 Aug 2022 11:21:32 +0200 Subject: [PATCH] samsung: Remove hidl USB HAL * We're going to replace it with AIDL Change-Id: I522a2649ff2f40c4f8a73df010c81fe4464ff58e --- hidl/usb/Android.bp | 41 - hidl/usb/Usb.cpp | 814 ------------------ hidl/usb/Usb.h | 102 --- ...ndroid.hardware.usb@1.3-service.samsung.rc | 16 - ...droid.hardware.usb@1.3-service.samsung.xml | 12 - hidl/usb/service.cpp | 52 -- 6 files changed, 1037 deletions(-) delete mode 100644 hidl/usb/Android.bp delete mode 100644 hidl/usb/Usb.cpp delete mode 100644 hidl/usb/Usb.h delete mode 100644 hidl/usb/android.hardware.usb@1.3-service.samsung.rc delete mode 100644 hidl/usb/android.hardware.usb@1.3-service.samsung.xml delete mode 100644 hidl/usb/service.cpp diff --git a/hidl/usb/Android.bp b/hidl/usb/Android.bp deleted file mode 100644 index d58539af..00000000 --- a/hidl/usb/Android.bp +++ /dev/null @@ -1,41 +0,0 @@ -// -// Copyright (C) 2017 The Android Open Source Project -// Copyright (C) 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. - -cc_binary { - name: "android.hardware.usb@1.3-service.samsung", - relative_install_path: "hw", - init_rc: ["android.hardware.usb@1.3-service.samsung.rc"], - vintf_fragments: [ - "android.hardware.usb@1.3-service.samsung.xml", - ], - srcs: ["service.cpp", "Usb.cpp"], - cflags: ["-Wall", "-Werror"], - shared_libs: [ - "libbase", - "libbinder", - "libhidlbase", - "liblog", - "libutils", - "libhardware", - "android.hardware.usb@1.0", - "android.hardware.usb@1.1", - "android.hardware.usb@1.2", - "android.hardware.usb@1.3", - "libcutils", - "libbinder_ndk", - ], - proprietary: true, -} diff --git a/hidl/usb/Usb.cpp b/hidl/usb/Usb.cpp deleted file mode 100644 index b25a8ad1..00000000 --- a/hidl/usb/Usb.cpp +++ /dev/null @@ -1,814 +0,0 @@ -/* - * Copyright (C) 2020 The Android Open Source Project - * Copyright (C) 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. - */ - -#define LOG_TAG "android.hardware.usb@1.3-service.samsung" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "Usb.h" - -using android::base::GetProperty; - -namespace android { -namespace hardware { -namespace usb { -namespace V1_3 { -namespace implementation { - -Return 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; - } - } - else { - if (!WriteStringToFile("0", USB_DATA_PATH)) { - ALOGE("Not able to turn off usb connection notification"); - result = false; - } - } - - return result; -} - -// Set by the signal handler to destroy the thread -volatile bool destroyThread; - -bool moistureDetectionEnabled = true; -constexpr char kContaminantDetectionPath[] = "/sys/devices/virtual/sec/ccic/water"; -constexpr char kTypecPath[] = "/sys/class/typec"; -constexpr char kDisableContaminantDetection[] = "vendor.usb.contaminantdisable"; - -int32_t readFile(const std::string &filename, std::string *contents) { - FILE *fp; - ssize_t read = 0; - char *line = NULL; - size_t len = 0; - - fp = fopen(filename.c_str(), "r"); - if (fp != NULL) { - if ((read = getline(&line, &len, fp)) != -1) { - char *pos; - if ((pos = strchr(line, '\n')) != NULL) - *pos = '\0'; - *contents = line; - } - free(line); - fclose(fp); - return 0; - } else { - ALOGE("fopen failed"); - } - - return -1; -} - -int32_t writeFile(const std::string &filename, const std::string &contents) { - FILE *fp; - std::string written; - - fp = fopen(filename.c_str(), "w"); - if (fp != NULL) { - // FAILURE RETRY - int ret = fputs(contents.c_str(), fp); - fclose(fp); - if ((ret != EOF) && !readFile(filename, &written) && written == contents) - return 0; - } - return -1; -} - -Status queryMoistureDetectionStatus(hidl_vec *currentPortStatus_1_2) { - std::string enabled, status, path, DetectedPath; - - if (currentPortStatus_1_2 == NULL || currentPortStatus_1_2->size() == 0) { - ALOGE("currentPortStatus_1_2 is not available"); - return Status::ERROR; - } - - (*currentPortStatus_1_2)[0].supportedContaminantProtectionModes = 0; - (*currentPortStatus_1_2)[0].supportedContaminantProtectionModes |= - 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; - - if (moistureDetectionEnabled) { - if (readFile(kContaminantDetectionPath, &status)) { - ALOGE("Failed to open moisture_detected"); - return Status::ERROR; - } - if (status == "1") { - (*currentPortStatus_1_2)[0].contaminantDetectionStatus = - V1_2::ContaminantDetectionStatus::DETECTED; - (*currentPortStatus_1_2)[0].contaminantProtectionStatus = - V1_2::ContaminantProtectionStatus::FORCE_SINK; - } else - (*currentPortStatus_1_2)[0].contaminantDetectionStatus = - V1_2::ContaminantDetectionStatus::NOT_DETECTED; - } - - ALOGI("ContaminantDetectionStatus:%d ContaminantProtectionStatus:%d", - (*currentPortStatus_1_2)[0].contaminantDetectionStatus, - (*currentPortStatus_1_2)[0].contaminantProtectionStatus); - - return Status::SUCCESS; -} - -std::string appendRoleNodeHelper(const std::string &portName, PortRoleType type) { - std::string node("/sys/class/typec/" + portName); - - switch (type) { - case PortRoleType::DATA_ROLE: - return node + "/data_role"; - case PortRoleType::POWER_ROLE: - return node + "/power_role"; - case PortRoleType::MODE: - return node + "/port_type"; - default: - return ""; - } -} - -std::string convertRoletoString(PortRole role) { - if (role.type == PortRoleType::POWER_ROLE) { - if (role.role == static_cast(PortPowerRole::SOURCE)) - return "source"; - else if (role.role == static_cast(PortPowerRole::SINK)) - return "sink"; - } else if (role.type == PortRoleType::DATA_ROLE) { - if (role.role == static_cast(PortDataRole::HOST)) - return "host"; - if (role.role == static_cast(PortDataRole::DEVICE)) - return "device"; - } else if (role.type == PortRoleType::MODE) { - if (role.role == static_cast(PortMode_1_1::UFP)) - return "sink"; - if (role.role == static_cast(PortMode_1_1::DFP)) - return "source"; - } - return "none"; -} - -void extractRole(std::string *roleName) { - std::size_t first, last; - - first = roleName->find("["); - last = roleName->find("]"); - - if (first != std::string::npos && last != std::string::npos) { - *roleName = roleName->substr(first + 1, last - first - 1); - } -} - -void switchToDrp(const std::string &portName) { - std::string filename = appendRoleNodeHelper(std::string(portName.c_str()), PortRoleType::MODE); - FILE *fp; - - if (filename != "") { - fp = fopen(filename.c_str(), "w"); - if (fp != NULL) { - int ret = fputs("dual", fp); - fclose(fp); - if (ret == EOF) - ALOGE("Fatal: Error while switching back to drp"); - } else { - ALOGE("Fatal: Cannot open file to switch back to drp"); - } - } else { - ALOGE("Fatal: invalid node type"); - } -} - -bool switchMode(const hidl_string &portName, const PortRole &newRole, struct Usb *usb) { - std::string filename = appendRoleNodeHelper(std::string(portName.c_str()), newRole.type); - std::string written; - FILE *fp; - bool roleSwitch = false; - - if (filename == "") { - ALOGE("Fatal: invalid node type"); - return false; - } - - fp = fopen(filename.c_str(), "w"); - if (fp != NULL) { - // Hold the lock here to prevent loosing connected signals - // as once the file is written the partner added signal - // can arrive anytime. - pthread_mutex_lock(&usb->mPartnerLock); - usb->mPartnerUp = false; - int ret = fputs(convertRoletoString(newRole).c_str(), fp); - fclose(fp); - - if (ret != EOF) { - struct timespec to; - struct timespec now; - - wait_again: - clock_gettime(CLOCK_MONOTONIC, &now); - to.tv_sec = now.tv_sec + PORT_TYPE_TIMEOUT; - to.tv_nsec = now.tv_nsec; - - int err = pthread_cond_timedwait(&usb->mPartnerCV, &usb->mPartnerLock, &to); - // There are no uevent signals which implies role swap timed out. - if (err == ETIMEDOUT) { - ALOGI("uevents wait timedout"); - // Validity check. - } else if (!usb->mPartnerUp) { - goto wait_again; - // Role switch succeeded since usb->mPartnerUp is true. - } else { - roleSwitch = true; - } - } else { - ALOGI("Role switch failed while wrting to file"); - } - pthread_mutex_unlock(&usb->mPartnerLock); - } - - if (!roleSwitch) - switchToDrp(std::string(portName.c_str())); - - return roleSwitch; -} - -Usb::Usb() - : mLock(PTHREAD_MUTEX_INITIALIZER), - mRoleSwitchLock(PTHREAD_MUTEX_INITIALIZER), - mPartnerLock(PTHREAD_MUTEX_INITIALIZER), - mPartnerUp(false) { - pthread_condattr_t attr; - if (pthread_condattr_init(&attr)) { - ALOGE("pthread_condattr_init failed: %s", strerror(errno)); - abort(); - } - if (pthread_condattr_setclock(&attr, CLOCK_MONOTONIC)) { - ALOGE("pthread_condattr_setclock failed: %s", strerror(errno)); - abort(); - } - if (pthread_cond_init(&mPartnerCV, &attr)) { - ALOGE("pthread_cond_init failed: %s", strerror(errno)); - abort(); - } - if (pthread_condattr_destroy(&attr)) { - ALOGE("pthread_condattr_destroy failed: %s", strerror(errno)); - abort(); - } -} - -Return Usb::switchRole(const hidl_string &portName, const V1_0::PortRole &newRole) { - std::string filename = appendRoleNodeHelper(std::string(portName.c_str()), newRole.type); - std::string written; - FILE *fp; - bool roleSwitch = false; - - if (filename == "") { - ALOGE("Fatal: invalid node type"); - return Void(); - } - - pthread_mutex_lock(&mRoleSwitchLock); - - ALOGI("filename write: %s role:%s", filename.c_str(), convertRoletoString(newRole).c_str()); - - if (newRole.type == PortRoleType::MODE) { - roleSwitch = switchMode(portName, newRole, this); - } else { - fp = fopen(filename.c_str(), "w"); - if (fp != NULL) { - int ret = fputs(convertRoletoString(newRole).c_str(), fp); - fclose(fp); - if ((ret != EOF) && !readFile(filename, &written)) { - extractRole(&written); - ALOGI("written: %s", written.c_str()); - if (written == convertRoletoString(newRole)) { - roleSwitch = true; - } else { - ALOGE("Role switch failed"); - } - } else { - ALOGE("failed to update the new role"); - } - } else { - ALOGE("fopen failed"); - } - } - - pthread_mutex_lock(&mLock); - if (mCallback_1_0 != NULL) { - Return ret = mCallback_1_0->notifyRoleSwitchStatus( - portName, newRole, roleSwitch ? Status::SUCCESS : Status::ERROR); - if (!ret.isOk()) - ALOGE("RoleSwitchStatus error %s", ret.description().c_str()); - } else { - ALOGE("Not notifying the userspace. Callback is not set"); - } - pthread_mutex_unlock(&mLock); - pthread_mutex_unlock(&mRoleSwitchLock); - - return Void(); -} - -Status getAccessoryConnected(const std::string &portName, std::string *accessory) { - std::string filename = "/sys/class/typec/" + portName + "-partner/accessory_mode"; - - if (readFile(filename, accessory)) { - ALOGE("getAccessoryConnected: Failed to open filesystem node: %s", filename.c_str()); - return Status::ERROR; - } - - return Status::SUCCESS; -} - -Status getCurrentRoleHelper(const std::string &portName, bool connected, PortRoleType type, - uint32_t *currentRole) { - std::string filename; - std::string roleName; - std::string accessory; - - // Mode - - if (type == PortRoleType::POWER_ROLE) { - filename = "/sys/class/typec/" + portName + "/power_role"; - *currentRole = static_cast(PortPowerRole::NONE); - } else if (type == PortRoleType::DATA_ROLE) { - filename = "/sys/class/typec/" + portName + "/data_role"; - *currentRole = static_cast(PortDataRole::NONE); - } else if (type == PortRoleType::MODE) { - filename = "/sys/class/typec/" + portName + "/data_role"; - *currentRole = static_cast(PortMode_1_1::NONE); - } else { - return Status::ERROR; - } - - if (!connected) - return Status::SUCCESS; - - if (type == PortRoleType::MODE) { - if (getAccessoryConnected(portName, &accessory) != Status::SUCCESS) { - return Status::ERROR; - } - if (accessory == "analog_audio") { - *currentRole = static_cast(PortMode_1_1::AUDIO_ACCESSORY); - return Status::SUCCESS; - } else if (accessory == "debug") { - *currentRole = static_cast(PortMode_1_1::DEBUG_ACCESSORY); - return Status::SUCCESS; - } - } - - if (readFile(filename, &roleName)) { - ALOGE("getCurrentRole: Failed to open filesystem node: %s", filename.c_str()); - return Status::ERROR; - } - - extractRole(&roleName); - - if (roleName == "source") { - *currentRole = static_cast(PortPowerRole::SOURCE); - } else if (roleName == "sink") { - *currentRole = static_cast(PortPowerRole::SINK); - } else if (roleName == "host") { - if (type == PortRoleType::DATA_ROLE) - *currentRole = static_cast(PortDataRole::HOST); - else - *currentRole = static_cast(PortMode_1_1::DFP); - } else if (roleName == "device") { - if (type == PortRoleType::DATA_ROLE) - *currentRole = static_cast(PortDataRole::DEVICE); - else - *currentRole = static_cast(PortMode_1_1::UFP); - } else if (roleName != "none") { - /* case for none has already been addressed. - * so we check if the role isn't none. - */ - return Status::UNRECOGNIZED_ROLE; - } - - return Status::SUCCESS; -} - -Status getTypeCPortNamesHelper(std::unordered_map *names) { - DIR *dp; - - dp = opendir(kTypecPath); - if (dp != NULL) { - struct dirent *ep; - - while ((ep = readdir(dp))) { - if (ep->d_type == DT_LNK) { - if (std::string::npos == std::string(ep->d_name).find("-partner")) { - std::unordered_map::const_iterator portName = - names->find(ep->d_name); - if (portName == names->end()) { - names->insert({ep->d_name, false}); - } - } else { - (*names)[std::strtok(ep->d_name, "-")] = true; - } - } - } - closedir(dp); - return Status::SUCCESS; - } - - ALOGE("Failed to open /sys/class/typec"); - return Status::ERROR; -} - -bool canSwitchRoleHelper(const std::string &portName, PortRoleType /*type*/) { - std::string filename = "/sys/class/typec/" + portName + "-partner/supports_usb_power_delivery"; - std::string supportsPD; - - if (!readFile(filename, &supportsPD)) { - if (supportsPD == "yes") { - return true; - } - } - - return false; -} - -/* - * Reuse the same method for both V1_0 and V1_1 callback objects. - * The caller of this method would reconstruct the V1_0::PortStatus - * object if required. - */ -Status getPortStatusHelper(hidl_vec *currentPortStatus_1_2, HALVersion version) { - std::unordered_map names; - Status result = getTypeCPortNamesHelper(&names); - int i = -1; - - if (result == Status::SUCCESS) { - currentPortStatus_1_2->resize(names.size()); - for (std::pair port : names) { - i++; - ALOGI("%s", port.first.c_str()); - (*currentPortStatus_1_2)[i].status_1_1.status.portName = port.first; - - uint32_t currentRole; - if (getCurrentRoleHelper(port.first, port.second, PortRoleType::POWER_ROLE, - ¤tRole) == Status::SUCCESS) { - (*currentPortStatus_1_2)[i].status_1_1.status.currentPowerRole = - static_cast(currentRole); - } else { - ALOGE("Error while retrieving portNames"); - goto done; - } - - if (getCurrentRoleHelper(port.first, port.second, PortRoleType::DATA_ROLE, - ¤tRole) == Status::SUCCESS) { - (*currentPortStatus_1_2)[i].status_1_1.status.currentDataRole = - static_cast(currentRole); - } else { - ALOGE("Error while retrieving current port role"); - goto done; - } - - if (getCurrentRoleHelper(port.first, port.second, PortRoleType::MODE, ¤tRole) == - Status::SUCCESS) { - (*currentPortStatus_1_2)[i].status_1_1.currentMode = - static_cast(currentRole); - (*currentPortStatus_1_2)[i].status_1_1.status.currentMode = - static_cast(currentRole); - } else { - ALOGE("Error while retrieving current data role"); - goto done; - } - - (*currentPortStatus_1_2)[i].status_1_1.status.canChangeMode = true; - (*currentPortStatus_1_2)[i].status_1_1.status.canChangeDataRole = - port.second ? canSwitchRoleHelper(port.first, PortRoleType::DATA_ROLE) : false; - (*currentPortStatus_1_2)[i].status_1_1.status.canChangePowerRole = - port.second ? canSwitchRoleHelper(port.first, PortRoleType::POWER_ROLE) : false; - - if (version == HALVersion::V1_0) { - ALOGI("HAL version V1_0"); - (*currentPortStatus_1_2)[i].status_1_1.status.supportedModes = V1_0::PortMode::DFP; - } else { - if (version == HALVersion::V1_1) - ALOGI("HAL version V1_1"); - else - ALOGI("HAL version V1_2"); - (*currentPortStatus_1_2)[i].status_1_1.supportedModes = PortMode_1_1::UFP | PortMode_1_1::DFP; - (*currentPortStatus_1_2)[i].status_1_1.status.supportedModes = V1_0::PortMode::NONE; - (*currentPortStatus_1_2)[i].status_1_1.status.currentMode = V1_0::PortMode::NONE; - } - - ALOGI( - "%d:%s connected:%d canChangeMode:%d canChagedata:%d canChangePower:%d " - "supportedModes:%d", - i, port.first.c_str(), port.second, - (*currentPortStatus_1_2)[i].status_1_1.status.canChangeMode, - (*currentPortStatus_1_2)[i].status_1_1.status.canChangeDataRole, - (*currentPortStatus_1_2)[i].status_1_1.status.canChangePowerRole, - (*currentPortStatus_1_2)[i].status_1_1.supportedModes); - } - return Status::SUCCESS; - } -done: - return Status::ERROR; -} - -void queryVersionHelper(android::hardware::usb::V1_3::implementation::Usb *usb, - hidl_vec *currentPortStatus_1_2) { - hidl_vec currentPortStatus_1_1; - hidl_vec currentPortStatus; - Status status; - sp callback_V1_1 = V1_1::IUsbCallback::castFrom(usb->mCallback_1_0); - sp callback_V1_2 = IUsbCallback::castFrom(usb->mCallback_1_0); - - pthread_mutex_lock(&usb->mLock); - if (usb->mCallback_1_0 != NULL) { - if (callback_V1_2 != NULL) { - status = getPortStatusHelper(currentPortStatus_1_2, HALVersion::V1_2); - if (status == Status::SUCCESS) - queryMoistureDetectionStatus(currentPortStatus_1_2); - } else if (callback_V1_1 != NULL) { - status = getPortStatusHelper(currentPortStatus_1_2, HALVersion::V1_1); - currentPortStatus_1_1.resize(currentPortStatus_1_2->size()); - for (unsigned long i = 0; i < currentPortStatus_1_2->size(); i++) - currentPortStatus_1_1[i] = (*currentPortStatus_1_2)[i].status_1_1; - } else { - status = getPortStatusHelper(currentPortStatus_1_2, HALVersion::V1_0); - currentPortStatus.resize(currentPortStatus_1_2->size()); - for (unsigned long i = 0; i < currentPortStatus_1_2->size(); i++) - currentPortStatus[i] = (*currentPortStatus_1_2)[i].status_1_1.status; - } - - Return ret; - - if (callback_V1_2 != NULL) - ret = callback_V1_2->notifyPortStatusChange_1_2(*currentPortStatus_1_2, status); - else if (callback_V1_1 != NULL) - ret = callback_V1_1->notifyPortStatusChange_1_1(currentPortStatus_1_1, status); - else - ret = usb->mCallback_1_0->notifyPortStatusChange(currentPortStatus, status); - - if (!ret.isOk()) - ALOGE("queryPortStatus_1_2 error %s", ret.description().c_str()); - } else { - ALOGI("Notifying userspace skipped. Callback is NULL"); - } - pthread_mutex_unlock(&usb->mLock); -} - -Return Usb::queryPortStatus() { - hidl_vec currentPortStatus_1_2; - - queryVersionHelper(this, ¤tPortStatus_1_2); - return Void(); -} - -Return Usb::enableContaminantPresenceDetection(const hidl_string & /*portName*/, - bool enable) { - std::string disable = GetProperty(kDisableContaminantDetection, ""); - - if (disable != "true") - moistureDetectionEnabled = enable; - - hidl_vec currentPortStatus_1_2; - - queryVersionHelper(this, ¤tPortStatus_1_2); - return Void(); -} - -Return Usb::enableContaminantPresenceProtection(const hidl_string & /*portName*/, - bool /*enable*/) { - hidl_vec currentPortStatus_1_2; - - queryVersionHelper(this, ¤tPortStatus_1_2); - return Void(); -} - -struct data { - int uevent_fd; - android::hardware::usb::V1_3::implementation::Usb *usb; -}; - -static void uevent_event(uint32_t /*epevents*/, struct data *payload) { - char msg[UEVENT_MSG_LEN + 2]; - char *cp; - int n; - - n = uevent_kernel_multicast_recv(payload->uevent_fd, msg, UEVENT_MSG_LEN); - if (n <= 0) - return; - if (n >= UEVENT_MSG_LEN) /* overflow -- discard */ - return; - - msg[n] = '\0'; - msg[n + 1] = '\0'; - cp = msg; - - while (*cp) { - if (std::regex_match(cp, std::regex("(add)(.*)(-partner)"))) { - ALOGI("partner added"); - pthread_mutex_lock(&payload->usb->mPartnerLock); - payload->usb->mPartnerUp = true; - pthread_cond_signal(&payload->usb->mPartnerCV); - pthread_mutex_unlock(&payload->usb->mPartnerLock); - } else if (!strncmp(cp, "DEVTYPE=typec_", strlen("DEVTYPE=typec_")) || - !strncmp(cp, "CCIC=WATER", strlen("CCIC=WATER")) || - !strncmp(cp, "CCIC=DRY", strlen("CCIC=DRY"))) { - hidl_vec currentPortStatus_1_2; - queryVersionHelper(payload->usb, ¤tPortStatus_1_2); - - // Role switch is not in progress and port is in disconnected state - if (!pthread_mutex_trylock(&payload->usb->mRoleSwitchLock)) { - for (unsigned long i = 0; i < currentPortStatus_1_2.size(); i++) { - DIR *dp = - opendir(std::string("/sys/class/typec/" + - std::string(currentPortStatus_1_2[i] - .status_1_1.status.portName.c_str()) + - "-partner") - .c_str()); - if (dp == NULL) { - // PortRole role = {.role = static_cast(PortMode::UFP)}; - switchToDrp(currentPortStatus_1_2[i].status_1_1.status.portName); - } else { - closedir(dp); - } - } - pthread_mutex_unlock(&payload->usb->mRoleSwitchLock); - } - break; - } - /* advance to after the next \0 */ - while (*cp++) { - } - } -} - -void *work(void *param) { - int epoll_fd, uevent_fd; - struct epoll_event ev; - int nevents = 0; - struct data payload; - - ALOGE("creating thread"); - - uevent_fd = uevent_open_socket(64 * 1024, true); - - if (uevent_fd < 0) { - ALOGE("uevent_init: uevent_open_socket failed\n"); - return NULL; - } - - payload.uevent_fd = uevent_fd; - payload.usb = (android::hardware::usb::V1_3::implementation::Usb *)param; - - fcntl(uevent_fd, F_SETFL, O_NONBLOCK); - - ev.events = EPOLLIN; - ev.data.ptr = (void *)uevent_event; - - epoll_fd = epoll_create(64); - if (epoll_fd == -1) { - ALOGE("epoll_create failed; errno=%d", errno); - goto error; - } - - if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, uevent_fd, &ev) == -1) { - ALOGE("epoll_ctl failed; errno=%d", errno); - goto error; - } - - while (!destroyThread) { - struct epoll_event events[64]; - - nevents = epoll_wait(epoll_fd, events, 64, -1); - if (nevents == -1) { - if (errno == EINTR) - continue; - ALOGE("usb epoll_wait failed; errno=%d", errno); - break; - } - - for (int n = 0; n < nevents; ++n) { - if (events[n].data.ptr) - (*(void (*)(int, struct data *payload))events[n].data.ptr)(events[n].events, - &payload); - } - } - - ALOGI("exiting worker thread"); -error: - close(uevent_fd); - - if (epoll_fd >= 0) - close(epoll_fd); - - return NULL; -} - -void sighandler(int sig) { - if (sig == SIGUSR1) { - destroyThread = true; - ALOGI("destroy set"); - return; - } - signal(SIGUSR1, sighandler); -} - -Return Usb::setCallback(const sp &callback) { - sp callback_V1_1 = V1_1::IUsbCallback::castFrom(callback); - sp callback_V1_2 = IUsbCallback::castFrom(callback); - - if (callback != NULL) { - if (callback_V1_2 != NULL) - ALOGI("Registering 1.2 callback"); - else if (callback_V1_1 != NULL) - ALOGI("Registering 1.1 callback"); - } - - pthread_mutex_lock(&mLock); - /* - * When both the old callback and new callback values are NULL, - * there is no need to spin off the worker thread. - * When both the values are not NULL, we would already have a - * worker thread running, so updating the callback object would - * be suffice. - */ - if ((mCallback_1_0 == NULL && callback == NULL) || - (mCallback_1_0 != NULL && callback != NULL)) { - /* - * Always store as V1_0 callback object. Type cast to V1_1 - * when the callback is actually invoked. - */ - mCallback_1_0 = callback; - pthread_mutex_unlock(&mLock); - return Void(); - } - - mCallback_1_0 = callback; - ALOGI("registering callback"); - - // Kill the worker thread if the new callback is NULL. - if (mCallback_1_0 == NULL) { - pthread_mutex_unlock(&mLock); - if (!pthread_kill(mPoll, SIGUSR1)) { - pthread_join(mPoll, NULL); - ALOGI("pthread destroyed"); - } - return Void(); - } - - destroyThread = false; - signal(SIGUSR1, sighandler); - - /* - * Create a background thread if the old callback value is NULL - * and being updated with a new value. - */ - if (pthread_create(&mPoll, NULL, work, this)) { - ALOGE("pthread creation failed %d", errno); - mCallback_1_0 = NULL; - } - - pthread_mutex_unlock(&mLock); - return Void(); -} - -} // namespace implementation -} // namespace V1_3 -} // namespace usb -} // namespace hardware -} // namespace android diff --git a/hidl/usb/Usb.h b/hidl/usb/Usb.h deleted file mode 100644 index 8e512972..00000000 --- a/hidl/usb/Usb.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (C) 2020 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 -#include -#include -#include -#include -#include - -#define UEVENT_MSG_LEN 2048 -// The type-c stack waits for 4.5 - 5.5 secs before declaring a port non-pd. -// The -partner directory would not be created until this is done. -// Having a margin of ~3 secs for the directory and other related bookeeping -// structures created and uvent fired. -#define PORT_TYPE_TIMEOUT 8 - -namespace android { -namespace hardware { -namespace usb { -namespace V1_3 { -namespace implementation { - -using ::android::base::WriteStringToFile; -using ::android::base::ReadFileToString; -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::hardware::usb::V1_0::PortRole; -using ::android::hardware::usb::V1_0::PortRoleType; -using ::android::hardware::usb::V1_0::PortDataRole; -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_3::IUsb; -using ::android::hardware::usb::V1_2::IUsbCallback; -using ::android::hardware::usb::V1_2::PortStatus; -using ::android::hardware::usb::V1_1::PortMode_1_1; -using ::android::hardware::usb::V1_1::PortStatus_1_1; -using ::android::hidl::base::V1_0::DebugInfo; -using ::android::hidl::base::V1_0::IBase; -using ::android::sp; - -enum class HALVersion{ - V1_0, - V1_1, - V1_2, - V1_3 -}; - -#define USB_DATA_PATH "/sys/devices/virtual/usb_notify/usb_control/usb_data_enabled" - -struct Usb : public IUsb { - Usb(); - - Return switchRole(const hidl_string &portName, const PortRole &role) override; - Return setCallback(const sp& callback) override; - Return queryPortStatus() override; - Return enableContaminantPresenceDetection(const hidl_string &portName, bool enable); - Return enableContaminantPresenceProtection(const hidl_string &portName, bool enable); - Return enableUsbDataSignal(bool enable) override; - - sp mCallback_1_0; - // Protects mCallback variable - pthread_mutex_t mLock; - // Protects roleSwitch operation - pthread_mutex_t mRoleSwitchLock; - // Threads waiting for the partner to come back wait here - pthread_cond_t mPartnerCV; - // lock protecting mPartnerCV - pthread_mutex_t mPartnerLock; - // Variable to signal partner coming back online after type switch - bool mPartnerUp; - - private: - pthread_t mPoll; -}; - -} // namespace implementation -} // namespace V1_3 -} // namespace usb -} // namespace hardware -} // namespace android diff --git a/hidl/usb/android.hardware.usb@1.3-service.samsung.rc b/hidl/usb/android.hardware.usb@1.3-service.samsung.rc deleted file mode 100644 index 5fb31946..00000000 --- a/hidl/usb/android.hardware.usb@1.3-service.samsung.rc +++ /dev/null @@ -1,16 +0,0 @@ -service vendor.usb-hal-1-3 /vendor/bin/hw/android.hardware.usb@1.3-service.samsung - class hal - user system - group system shell mtp wakelock - capabilities WAKE_ALARM BLOCK_SUSPEND - -on post-fs - 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 - chown root system /sys/devices/virtual/sec/ccic/water - chown root system /sys/devices/virtual/usb_notify/usb_control/usb_data_enabled - chmod 664 /sys/class/typec/port0/power_role - chmod 664 /sys/class/typec/port0/data_role - chmod 664 /sys/class/typec/port0/port_type - chmod 664 /sys/devices/virtual/usb_notify/usb_control/usb_data_enabled diff --git a/hidl/usb/android.hardware.usb@1.3-service.samsung.xml b/hidl/usb/android.hardware.usb@1.3-service.samsung.xml deleted file mode 100644 index cd542687..00000000 --- a/hidl/usb/android.hardware.usb@1.3-service.samsung.xml +++ /dev/null @@ -1,12 +0,0 @@ - - - android.hardware.usb - hwbinder - 1.3 - - IUsb - default - - - - diff --git a/hidl/usb/service.cpp b/hidl/usb/service.cpp deleted file mode 100644 index 33bd6456..00000000 --- a/hidl/usb/service.cpp +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (C) 2018 The Android Open Source Project - * Copyright (C) 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. - */ - -#define LOG_TAG "android.hardware.usb@1.3-service.samsung" - -#include -#include "Usb.h" - -using android::sp; - -// libhwbinder: -using android::hardware::configureRpcThreadpool; -using android::hardware::joinRpcThreadpool; - -// Generated HIDL files -using android::hardware::usb::V1_3::IUsb; -using android::hardware::usb::V1_3::implementation::Usb; - -using android::OK; -using android::status_t; - -int main() { - android::sp service = new Usb(); - - configureRpcThreadpool(1, true /*callerWillJoin*/); - status_t status = service->registerAsService(); - - if (status != OK) { - ALOGE("Cannot register USB HAL service"); - return 1; - } - - ALOGI("USB HAL Ready."); - joinRpcThreadpool(); - // Under noraml cases, execution will not reach this line. - ALOGI("USB HAL failed to join thread pool."); - return 1; -}