| /****************************************************************************** |
| * |
| * Copyright 2018 NXP |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| /* |
| * Copyright (c) 2018, The Linux Foundation. All rights reserved. |
| * Not a contribution. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #define LOG_TAG "android.hardware.nfc@1.2-impl" |
| #include <log/log.h> |
| #include "Nfc.h" |
| #include "phNxpNciHal_Adaptation.h" |
| #include "phNfcStatus.h" |
| #include "NfcApiGet.h" |
| |
| #define CHK_STATUS(x) ((x) == NFCSTATUS_SUCCESS) \ |
| ? (V1_0::NfcStatus::OK) : (V1_0::NfcStatus::FAILED) |
| |
| extern bool nfc_debug_enabled; |
| |
| namespace android { |
| namespace hardware { |
| namespace nfc { |
| namespace V1_2 { |
| namespace implementation { |
| |
| sp<V1_1::INfcClientCallback> Nfc::mCallbackV1_1 = nullptr; |
| sp<V1_0::INfcClientCallback> Nfc::mCallbackV1_0 = nullptr; |
| |
| Return<V1_0::NfcStatus> Nfc::open_1_1( |
| const sp<V1_1::INfcClientCallback>& clientCallback) { |
| if (clientCallback == nullptr) { |
| ALOGD_IF(nfc_debug_enabled, "Nfc::open null callback"); |
| return V1_0::NfcStatus::FAILED; |
| } else { |
| mCallbackV1_1 = clientCallback; |
| mCallbackV1_1->linkToDeath(this, 0 /*cookie*/); |
| } |
| return open(clientCallback); |
| } |
| |
| // Methods from ::android::hardware::nfc::V1_0::INfc follow. |
| Return<V1_0::NfcStatus> Nfc::open( |
| const sp<V1_0::INfcClientCallback>& clientCallback) { |
| ALOGD("Nfc::open - Attempting to retrieve HAL library"); |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| ALOGE("GetHalApiStruct() returned null - dynamic API loading failed! Returning status FAILED"); |
| // Return early as we don't want to make a call to nullptr hal_api_s |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| if (clientCallback == nullptr) { |
| ALOGD_IF(nfc_debug_enabled, "Nfc::open null callback"); |
| return V1_0::NfcStatus::FAILED; |
| } else { |
| mCallbackV1_0 = clientCallback; |
| mCallbackV1_0->linkToDeath(this, 0 /*cookie*/); |
| } |
| |
| NFCSTATUS status = hal_api_s->phNxpNciHal_open(eventCallback, dataCallback); |
| ALOGD_IF(nfc_debug_enabled, "Nfc::open(): exit"); |
| return CHK_STATUS(status); |
| } |
| |
| Return<uint32_t> Nfc::write(const hidl_vec<uint8_t>& data) { |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| // Don't check status as return type expects a uint32? |
| return NFCSTATUS_FAILED; |
| } |
| hidl_vec<uint8_t> copy = data; |
| return hal_api_s->phNxpNciHal_write(copy.size(), ©[0]); |
| } |
| |
| Return<V1_0::NfcStatus> Nfc::coreInitialized(const hidl_vec<uint8_t>& data) { |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| hidl_vec<uint8_t> copy = data; |
| NFCSTATUS status = hal_api_s->phNxpNciHal_core_initialized(©[0]); |
| return CHK_STATUS(status); |
| } |
| |
| Return<V1_0::NfcStatus> Nfc::prediscover() { |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| NFCSTATUS status = hal_api_s->phNxpNciHal_pre_discover(); |
| return CHK_STATUS(status); |
| } |
| |
| Return<V1_0::NfcStatus> Nfc::close() { |
| ALOGD_IF(nfc_debug_enabled, "Calling Nfc::close()"); |
| if (mCallbackV1_1 == nullptr && mCallbackV1_0 == nullptr) { |
| return V1_0::NfcStatus::FAILED; |
| } |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| NFCSTATUS status = hal_api_s->phNxpNciHal_close(false); |
| |
| if (mCallbackV1_1 != nullptr) { |
| mCallbackV1_1->unlinkToDeath(this); |
| mCallbackV1_1 = nullptr; |
| } |
| if (mCallbackV1_0 != nullptr) { |
| mCallbackV1_0->unlinkToDeath(this); |
| mCallbackV1_0 = nullptr; |
| } |
| |
| // Before closing, unload HAL API Struct |
| unloadHalApiStruct(); |
| return CHK_STATUS(status); |
| } |
| |
| Return<V1_0::NfcStatus> Nfc::controlGranted() { |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| NFCSTATUS status = hal_api_s->phNxpNciHal_control_granted(); |
| return CHK_STATUS(status); |
| } |
| |
| Return<V1_0::NfcStatus> Nfc::powerCycle() { |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| NFCSTATUS status = hal_api_s->phNxpNciHal_power_cycle(); |
| return CHK_STATUS(status); |
| } |
| |
| // Methods from ::android::hardware::nfc::V1_1::INfc follow. |
| Return<void> Nfc::factoryReset() { |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return Void(); |
| } |
| |
| hal_api_s->phNxpNciHal_do_factory_reset(); |
| return Void(); |
| } |
| |
| Return<V1_0::NfcStatus> Nfc::closeForPowerOffCase() { |
| if (mCallbackV1_1 == nullptr && mCallbackV1_0 == nullptr) { |
| return V1_0::NfcStatus::FAILED; |
| } |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| return CHK_STATUS(NFCSTATUS_FAILED); |
| } |
| |
| NFCSTATUS status = hal_api_s->phNxpNciHal_configDiscShutdown(); |
| |
| if (mCallbackV1_1 != nullptr) { |
| mCallbackV1_1->unlinkToDeath(this); |
| mCallbackV1_1 = nullptr; |
| } |
| if (mCallbackV1_0 != nullptr) { |
| mCallbackV1_0->unlinkToDeath(this); |
| mCallbackV1_0 = nullptr; |
| } |
| return CHK_STATUS(status); |
| } |
| |
| Return<void> Nfc::getConfig(getConfig_cb hidl_cb) { |
| android::hardware::nfc::V1_1::NfcConfig nfcVendorConfig = {}; |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| hidl_cb(nfcVendorConfig); |
| } |
| else { |
| hal_api_s->phNxpNciHal_getVendorConfig(nfcVendorConfig); |
| hidl_cb(nfcVendorConfig); |
| } |
| |
| return Void(); |
| } |
| |
| Return<void> Nfc::getConfig_1_2(getConfig_1_2_cb hidl_cb) { |
| android::hardware::nfc::V1_2::NfcConfig nfcVendorConfig = {}; |
| |
| hal_api_struct_t *hal_api_s = getHalApiStruct(); |
| if (hal_api_s == nullptr) { |
| hidl_cb(nfcVendorConfig); |
| } |
| else { |
| hal_api_s->phNxpNciHal_getVendorConfig_1_2(nfcVendorConfig); |
| hidl_cb(nfcVendorConfig); |
| } |
| |
| return Void(); |
| } |
| |
| } // namespace implementation |
| } // namespace V1_1 |
| } // namespace nfc |
| } // namespace hardware |
| } // namespace android |