1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __COM_ANDROID_NFC_JNI_H__ 18 #define __COM_ANDROID_NFC_JNI_H__ 19 20 #define LOG_TAG "NFCJNI" 21 22 #include <JNIHelp.h> 23 #include <jni.h> 24 25 #include <pthread.h> 26 #include <sys/queue.h> 27 28 extern "C" { 29 #include <phNfcStatus.h> 30 #include <phNfcTypes.h> 31 #include <phNfcIoctlCode.h> 32 #include <phLibNfc.h> 33 #include <phDal4Nfc_messageQueueLib.h> 34 #include <phFriNfc_NdefMap.h> 35 #include <cutils/log.h> 36 #include <com_android_nfc_list.h> 37 #include <semaphore.h> 38 39 } 40 #include <cutils/properties.h> // for property_get 41 42 43 /* Discovery modes -- keep in sync with NFCManager.DISCOVERY_MODE_* */ 44 #define DISCOVERY_MODE_TAG_READER 0 45 #define DISCOVERY_MODE_NFCIP1 1 46 #define DISCOVERY_MODE_CARD_EMULATION 2 47 48 #define DISCOVERY_MODE_TABLE_SIZE 3 49 50 #define DISCOVERY_MODE_DISABLED 0 51 #define DISCOVERY_MODE_ENABLED 1 52 53 #define MODE_P2P_TARGET 0 54 #define MODE_P2P_INITIATOR 1 55 56 /* Properties values */ 57 #define PROPERTY_LLCP_LTO 0 58 #define PROPERTY_LLCP_MIU 1 59 #define PROPERTY_LLCP_WKS 2 60 #define PROPERTY_LLCP_OPT 3 61 #define PROPERTY_NFC_DISCOVERY_A 4 62 #define PROPERTY_NFC_DISCOVERY_B 5 63 #define PROPERTY_NFC_DISCOVERY_F 6 64 #define PROPERTY_NFC_DISCOVERY_15693 7 65 #define PROPERTY_NFC_DISCOVERY_NCFIP 8 66 67 /* Error codes */ 68 #define ERROR_BUFFER_TOO_SMALL -12 69 #define ERROR_INSUFFICIENT_RESOURCES -9 70 71 /* Pre-defined card read/write state values. These must match the values in 72 * Ndef.java in the framework. 73 */ 74 75 #define NDEF_UNKNOWN_TYPE -1 76 #define NDEF_TYPE1_TAG 1 77 #define NDEF_TYPE2_TAG 2 78 #define NDEF_TYPE3_TAG 3 79 #define NDEF_TYPE4_TAG 4 80 #define NDEF_MIFARE_CLASSIC_TAG 101 81 #define NDEF_ICODE_SLI_TAG 102 82 83 /* Pre-defined tag type values. These must match the values in 84 * Ndef.java in the framework. 85 */ 86 87 #define NDEF_MODE_READ_ONLY 1 88 #define NDEF_MODE_READ_WRITE 2 89 #define NDEF_MODE_UNKNOWN 3 90 91 92 /* Name strings for target types. These *must* match the values in TagTechnology.java */ 93 #define TARGET_TYPE_UNKNOWN -1 94 #define TARGET_TYPE_ISO14443_3A 1 95 #define TARGET_TYPE_ISO14443_3B 2 96 #define TARGET_TYPE_ISO14443_4 3 97 #define TARGET_TYPE_FELICA 4 98 #define TARGET_TYPE_ISO15693 5 99 #define TARGET_TYPE_NDEF 6 100 #define TARGET_TYPE_NDEF_FORMATABLE 7 101 #define TARGET_TYPE_MIFARE_CLASSIC 8 102 #define TARGET_TYPE_MIFARE_UL 9 103 104 #define SMX_SECURE_ELEMENT_ID 11259375 105 106 /* Maximum byte length of an AID. */ 107 #define AID_MAXLEN 16 108 109 /* Utility macros for logging */ 110 #define GET_LEVEL(status) ((status)==NFCSTATUS_SUCCESS)?ANDROID_LOG_DEBUG:ANDROID_LOG_WARN 111 112 #if 0 113 #define LOG_CALLBACK(funcName, status) LOG_PRI(GET_LEVEL(status), LOG_TAG, "Callback: %s() - status=0x%04x[%s]", funcName, status, nfc_jni_get_status_name(status)); 114 #define TRACE(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 115 #else 116 #define LOG_CALLBACK(...) 117 #define TRACE(...) 118 #endif 119 120 struct nfc_jni_native_data 121 { 122 /* Thread handle */ 123 pthread_t thread; 124 int running; 125 126 /* Our VM */ 127 JavaVM *vm; 128 int env_version; 129 130 /* Reference to the NFCManager instance */ 131 jobject manager; 132 133 /* Cached objects */ 134 jobject cached_NfcTag; 135 jobject cached_P2pDevice; 136 137 /* Target discovery configuration */ 138 int discovery_modes_state[DISCOVERY_MODE_TABLE_SIZE]; 139 phLibNfc_sADD_Cfg_t discovery_cfg; 140 phLibNfc_Registry_Info_t registry_info; 141 142 /* Secure Element selected */ 143 int seId; 144 145 /* LLCP params */ 146 int lto; 147 int miu; 148 int wks; 149 int opt; 150 151 /* Tag detected */ 152 jobject tag; 153 154 /* Lib Status */ 155 NFCSTATUS status; 156 157 /* p2p modes */ 158 int p2p_initiator_modes; 159 int p2p_target_modes; 160 161 }; 162 163 typedef struct nfc_jni_native_monitor 164 { 165 /* Mutex protecting native library against reentrance */ 166 pthread_mutex_t reentrance_mutex; 167 168 /* Mutex protecting native library against concurrency */ 169 pthread_mutex_t concurrency_mutex; 170 171 /* List used to track pending semaphores waiting for callback */ 172 struct listHead sem_list; 173 174 /* List used to track incoming socket requests (and associated sync variables) */ 175 LIST_HEAD(, nfc_jni_listen_data) incoming_socket_head; 176 pthread_mutex_t incoming_socket_mutex; 177 pthread_cond_t incoming_socket_cond; 178 179 } nfc_jni_native_monitor_t; 180 181 typedef struct nfc_jni_callback_data 182 { 183 /* Semaphore used to wait for callback */ 184 sem_t sem; 185 186 /* Used to store the status sent by the callback */ 187 NFCSTATUS status; 188 189 /* Used to provide a local context to the callback */ 190 void* pContext; 191 192 } nfc_jni_callback_data_t; 193 194 typedef struct nfc_jni_listen_data 195 { 196 /* LLCP server socket receiving the connection request */ 197 phLibNfc_Handle pServerSocket; 198 199 /* LLCP socket created from the connection request */ 200 phLibNfc_Handle pIncomingSocket; 201 202 /* List entries */ 203 LIST_ENTRY(nfc_jni_listen_data) entries; 204 205 } nfc_jni_listen_data_t; 206 207 /* TODO: treat errors and add traces */ 208 #define REENTRANCE_LOCK() pthread_mutex_lock(&nfc_jni_get_monitor()->reentrance_mutex) 209 #define REENTRANCE_UNLOCK() pthread_mutex_unlock(&nfc_jni_get_monitor()->reentrance_mutex) 210 #define CONCURRENCY_LOCK() pthread_mutex_lock(&nfc_jni_get_monitor()->concurrency_mutex) 211 #define CONCURRENCY_UNLOCK() pthread_mutex_unlock(&nfc_jni_get_monitor()->concurrency_mutex) 212 213 namespace android { 214 215 extern JavaVM *vm; 216 217 JNIEnv *nfc_get_env(); 218 219 bool nfc_cb_data_init(nfc_jni_callback_data* pCallbackData, void* pContext); 220 void nfc_cb_data_deinit(nfc_jni_callback_data* pCallbackData); 221 void nfc_cb_data_releaseAll(); 222 223 const char* nfc_jni_get_status_name(NFCSTATUS status); 224 int nfc_jni_cache_object(JNIEnv *e, const char *clsname, 225 jobject *cached_obj); 226 struct nfc_jni_native_data* nfc_jni_get_nat(JNIEnv *e, jobject o); 227 struct nfc_jni_native_data* nfc_jni_get_nat_ext(JNIEnv *e); 228 nfc_jni_native_monitor_t* nfc_jni_init_monitor(void); 229 nfc_jni_native_monitor_t* nfc_jni_get_monitor(void); 230 231 int get_technology_type(phNfc_eRemDevType_t type, uint8_t sak); 232 void nfc_jni_get_technology_tree(JNIEnv* e, phLibNfc_RemoteDevList_t* devList, 233 uint8_t count, jintArray* techList, jintArray* handleList, 234 jintArray* typeList); 235 236 /* P2P */ 237 phLibNfc_Handle nfc_jni_get_p2p_device_handle(JNIEnv *e, jobject o); 238 jshort nfc_jni_get_p2p_device_mode(JNIEnv *e, jobject o); 239 240 /* TAG */ 241 jint nfc_jni_get_connected_technology(JNIEnv *e, jobject o); 242 jint nfc_jni_get_connected_technology_libnfc_type(JNIEnv *e, jobject o); 243 phLibNfc_Handle nfc_jni_get_connected_handle(JNIEnv *e, jobject o); 244 jintArray nfc_jni_get_nfc_tag_type(JNIEnv *e, jobject o); 245 246 /* LLCP */ 247 phLibNfc_Handle nfc_jni_get_nfc_socket_handle(JNIEnv *e, jobject o); 248 249 int register_com_android_nfc_NativeNfcManager(JNIEnv *e); 250 int register_com_android_nfc_NativeNfcTag(JNIEnv *e); 251 int register_com_android_nfc_NativeP2pDevice(JNIEnv *e); 252 int register_com_android_nfc_NativeLlcpConnectionlessSocket(JNIEnv *e); 253 int register_com_android_nfc_NativeLlcpServiceSocket(JNIEnv *e); 254 int register_com_android_nfc_NativeLlcpSocket(JNIEnv *e); 255 int register_com_android_nfc_NativeNfcSecureElement(JNIEnv *e); 256 257 } // namespace android 258 259 #endif 260
