1 /******************************************************************************
2 *
3 * Copyright 2018 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 "android.hardware.nfc@1.1-impl"
20 #include "Nfc.h"
21 #include <log/log.h>
22 #include "halimpl/inc/phNxpNciHal_Adaptation.h"
23 #include "phNfcStatus.h"
24
25 #define CHK_STATUS(x) \
26 ((x) == NFCSTATUS_SUCCESS) ? (V1_0::NfcStatus::OK) : (V1_0::NfcStatus::FAILED)
27
28 extern bool nfc_debug_enabled;
29
30 namespace android {
31 namespace hardware {
32 namespace nfc {
33 namespace V1_1 {
34 namespace implementation {
35
36 sp<V1_1::INfcClientCallback> Nfc::mCallbackV1_1 = nullptr;
37 sp<V1_0::INfcClientCallback> Nfc::mCallbackV1_0 = nullptr;
38
open_1_1(const sp<V1_1::INfcClientCallback> & clientCallback)39 Return<V1_0::NfcStatus> Nfc::open_1_1(
40 const sp<V1_1::INfcClientCallback>& clientCallback) {
41 if (clientCallback == nullptr) {
42 ALOGD_IF(nfc_debug_enabled, "Nfc::open null callback");
43 return V1_0::NfcStatus::FAILED;
44 } else {
45 mCallbackV1_1 = clientCallback;
46 mCallbackV1_1->linkToDeath(this, 0 /*cookie*/);
47 }
48 return open(clientCallback);
49 }
50
51 // Methods from ::android::hardware::nfc::V1_0::INfc follow.
open(const sp<V1_0::INfcClientCallback> & clientCallback)52 Return<V1_0::NfcStatus> Nfc::open(
53 const sp<V1_0::INfcClientCallback>& clientCallback) {
54 ALOGD_IF(nfc_debug_enabled, "Nfc::open Enter");
55 if (clientCallback == nullptr) {
56 ALOGD_IF(nfc_debug_enabled, "Nfc::open null callback");
57 return V1_0::NfcStatus::FAILED;
58 } else {
59 mCallbackV1_0 = clientCallback;
60 mCallbackV1_0->linkToDeath(this, 0 /*cookie*/);
61 }
62
63 NFCSTATUS status = phNxpNciHal_open(eventCallback, dataCallback);
64 ALOGD_IF(nfc_debug_enabled, "Nfc::open Exit");
65 return CHK_STATUS(status);
66 }
67
write(const hidl_vec<uint8_t> & data)68 Return<uint32_t> Nfc::write(const hidl_vec<uint8_t>& data) {
69 hidl_vec<uint8_t> copy = data;
70 return phNxpNciHal_write(copy.size(), ©[0]);
71 }
72
coreInitialized(const hidl_vec<uint8_t> & data)73 Return<V1_0::NfcStatus> Nfc::coreInitialized(const hidl_vec<uint8_t>& data) {
74 hidl_vec<uint8_t> copy = data;
75 NFCSTATUS status = phNxpNciHal_core_initialized(copy.size(), ©[0]);
76 return CHK_STATUS(status);
77 }
78
prediscover()79 Return<V1_0::NfcStatus> Nfc::prediscover() {
80 NFCSTATUS status = phNxpNciHal_pre_discover();
81 return CHK_STATUS(status);
82 }
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 phNxpNciHal_getVendorConfig(nfcVendorConfig);
137 hidl_cb(nfcVendorConfig);
138 return Void();
139 }
140
141 } // namespace implementation
142 } // namespace V1_1
143 } // namespace nfc
144 } // namespace hardware
145 } // namespace android
146