1 /******************************************************************************
2 *
3 * Copyright 2018, 2023-2024 NXP
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 #define LOG_TAG "[email protected]"
20 #include "Nfc.h"
21
22 #include <log/log.h>
23
24 #include "NfcExtns.h"
25 #include "halimpl/inc/phNxpNciHal_Adaptation.h"
26 #include "phNfcStatus.h"
27
28 #define CHK_STATUS(x) \
29 ((x) == NFCSTATUS_SUCCESS) ? (V1_0::NfcStatus::OK) : (V1_0::NfcStatus::FAILED)
30
31 extern bool nfc_debug_enabled;
32
33 namespace android {
34 namespace hardware {
35 namespace nfc {
36 namespace V1_1 {
37 namespace implementation {
38
39 sp<V1_1::INfcClientCallback> Nfc::mCallbackV1_1 = nullptr;
40 sp<V1_0::INfcClientCallback> Nfc::mCallbackV1_0 = nullptr;
41
open_1_1(const sp<V1_1::INfcClientCallback> & clientCallback)42 Return<V1_0::NfcStatus> Nfc::open_1_1(
43 const sp<V1_1::INfcClientCallback>& clientCallback) {
44 if (clientCallback == nullptr) {
45 ALOGD_IF(nfc_debug_enabled, "Nfc::open null callback");
46 return V1_0::NfcStatus::FAILED;
47 } else {
48 mCallbackV1_1 = clientCallback;
49 mCallbackV1_1->linkToDeath(this, 0 /*cookie*/);
50 }
51 return open(clientCallback);
52 }
53
54 // Methods from ::android::hardware::nfc::V1_0::INfc follow.
open(const sp<V1_0::INfcClientCallback> & clientCallback)55 Return<V1_0::NfcStatus> Nfc::open(
56 const sp<V1_0::INfcClientCallback>& clientCallback) {
57 ALOGD_IF(nfc_debug_enabled, "Nfc::open Enter");
58 if (clientCallback == nullptr) {
59 ALOGD_IF(nfc_debug_enabled, "Nfc::open null callback");
60 return V1_0::NfcStatus::FAILED;
61 } else {
62 mCallbackV1_0 = clientCallback;
63 mCallbackV1_0->linkToDeath(this, 0 /*cookie*/);
64 }
65
66 NFCSTATUS status = phNxpNciHal_open(eventCallback, dataCallback);
67 ALOGD_IF(nfc_debug_enabled, "Nfc::open Exit");
68 return CHK_STATUS(status);
69 }
70
write(const hidl_vec<uint8_t> & data)71 Return<uint32_t> Nfc::write(const hidl_vec<uint8_t>& data) {
72 hidl_vec<uint8_t> copy = data;
73 return phNxpNciHal_write(copy.size(), ©[0]);
74 }
75
coreInitialized(const hidl_vec<uint8_t> & data)76 Return<V1_0::NfcStatus> Nfc::coreInitialized(const hidl_vec<uint8_t>& data) {
77 hidl_vec<uint8_t> copy = data;
78 NFCSTATUS status = phNxpNciHal_core_initialized(copy.size(), ©[0]);
79 return CHK_STATUS(status);
80 }
81
prediscover()82 Return<V1_0::NfcStatus> Nfc::prediscover() { return V1_0::NfcStatus::OK; }
83
close()84 Return<V1_0::NfcStatus> Nfc::close() {
85 if (mCallbackV1_1 == nullptr && mCallbackV1_0 == nullptr) {
86 return V1_0::NfcStatus::FAILED;
87 }
88 NFCSTATUS status = phNxpNciHal_close(false);
89
90 if (mCallbackV1_1 != nullptr) {
91 mCallbackV1_1->unlinkToDeath(this);
92 mCallbackV1_1 = nullptr;
93 }
94 if (mCallbackV1_0 != nullptr) {
95 mCallbackV1_0->unlinkToDeath(this);
96 mCallbackV1_0 = nullptr;
97 }
98 return CHK_STATUS(status);
99 }
100
controlGranted()101 Return<V1_0::NfcStatus> Nfc::controlGranted() {
102 NFCSTATUS status = phNxpNciHal_control_granted();
103 return CHK_STATUS(status);
104 }
105
powerCycle()106 Return<V1_0::NfcStatus> Nfc::powerCycle() {
107 NFCSTATUS status = phNxpNciHal_power_cycle();
108 return CHK_STATUS(status);
109 }
110
111 // Methods from ::android::hardware::nfc::V1_1::INfc follow.
factoryReset()112 Return<void> Nfc::factoryReset() {
113 phNxpNciHal_do_factory_reset();
114 return Void();
115 }
116
closeForPowerOffCase()117 Return<V1_0::NfcStatus> Nfc::closeForPowerOffCase() {
118 if (mCallbackV1_1 == nullptr && mCallbackV1_0 == nullptr) {
119 return V1_0::NfcStatus::FAILED;
120 }
121 NFCSTATUS status = phNxpNciHal_configDiscShutdown();
122
123 if (mCallbackV1_1 != nullptr) {
124 mCallbackV1_1->unlinkToDeath(this);
125 mCallbackV1_1 = nullptr;
126 }
127 if (mCallbackV1_0 != nullptr) {
128 mCallbackV1_0->unlinkToDeath(this);
129 mCallbackV1_0 = nullptr;
130 }
131 return CHK_STATUS(status);
132 }
133
getConfig(getConfig_cb hidl_cb)134 Return<void> Nfc::getConfig(getConfig_cb hidl_cb) {
135 NfcConfig nfcVendorConfig;
136 NfcExtns nfcExtns;
137 nfcExtns.getConfig(nfcVendorConfig);
138 hidl_cb(nfcVendorConfig);
139 return Void();
140 }
141
142 } // namespace implementation
143 } // namespace V1_1
144 } // namespace nfc
145 } // namespace hardware
146 } // namespace android
147