1 /****************************************************************************** 2 * 3 * Copyright (C) 2003-2014 Broadcom Corporation 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 /****************************************************************************** 20 * 21 * This is the private interface file for NFA_RW 22 * 23 ******************************************************************************/ 24 #ifndef NFA_RW_INT_H 25 #define NFA_RW_INT_H 26 27 #include "nfa_api.h" 28 #include "nfa_rw_api.h" 29 #include "nfa_sys.h" 30 #include "nfc_api.h" 31 #include "rw_api.h" 32 33 /***************************************************************************** 34 ** Constants and data types 35 *****************************************************************************/ 36 37 /* Interval for performing presence check (in ms) */ 38 #ifndef NFA_RW_PRESENCE_CHECK_INTERVAL 39 #define NFA_RW_PRESENCE_CHECK_INTERVAL 750 40 #endif 41 42 /* TLV detection status */ 43 #define NFA_RW_TLV_DETECT_ST_OP_NOT_STARTED 0x00 /* No Tlv detected */ 44 /* Lock control tlv detected */ 45 #define NFA_RW_TLV_DETECT_ST_LOCK_TLV_OP_COMPLETE 0x01 46 /* Memory control tlv detected */ 47 #define NFA_RW_TLV_DETECT_ST_MEM_TLV_OP_COMPLETE 0x02 48 /* Both Lock and Memory control Tlvs are detected */ 49 #define NFA_RW_TLV_DETECT_ST_COMPLETE 0x03 50 51 /* Tag deselect cmd*/ 52 #define NFA_RW_TAG_DESELECT_CMD 0xC2 53 54 #define NFA_RW_TAG_SLP_REQ_LEN 0x02 55 56 /* Tag sleep req cmd*/ 57 extern uint8_t NFA_RW_TAG_SLP_REQ[]; 58 59 typedef uint8_t tNFA_RW_TLV_ST; 60 61 /* RW events */ 62 enum { 63 NFA_RW_OP_REQUEST_EVT = NFA_SYS_EVT_START(NFA_ID_RW), 64 NFA_RW_ACTIVATE_NTF_EVT, 65 NFA_RW_DEACTIVATE_NTF_EVT, 66 NFA_RW_PRESENCE_CHECK_TICK_EVT, 67 NFA_RW_PRESENCE_CHECK_TIMEOUT_EVT, 68 NFA_RW_MAX_EVT 69 }; 70 71 /* BTA_RW operations */ 72 enum { 73 NFA_RW_OP_DETECT_NDEF, 74 NFA_RW_OP_READ_NDEF, 75 NFA_RW_OP_WRITE_NDEF, 76 NFA_RW_OP_PRESENCE_CHECK, 77 NFA_RW_OP_FORMAT_TAG, 78 NFA_RW_OP_SEND_RAW_FRAME, 79 80 /* Exclusive Type-1,Type-2 tag operations */ 81 NFA_RW_OP_DETECT_LOCK_TLV, 82 NFA_RW_OP_DETECT_MEM_TLV, 83 NFA_RW_OP_SET_TAG_RO, 84 85 /* Exclusive Type-1 tag operations */ 86 NFA_RW_OP_T1T_RID, 87 NFA_RW_OP_T1T_RALL, 88 NFA_RW_OP_T1T_READ, 89 NFA_RW_OP_T1T_WRITE, 90 NFA_RW_OP_T1T_RSEG, 91 NFA_RW_OP_T1T_READ8, 92 NFA_RW_OP_T1T_WRITE8, 93 94 /* Exclusive Type-2 tag operations */ 95 NFA_RW_OP_T2T_READ, 96 NFA_RW_OP_T2T_WRITE, 97 NFA_RW_OP_T2T_SECTOR_SELECT, 98 NFA_RW_OP_T2T_READ_DYN_LOCKS, 99 100 /* Exclusive Type-3 tag operations */ 101 NFA_RW_OP_T3T_READ, 102 NFA_RW_OP_T3T_WRITE, 103 NFA_RW_OP_T3T_GET_SYSTEM_CODES, 104 105 /* Exclusive ISO 15693 tag operations */ 106 NFA_RW_OP_I93_INVENTORY, 107 NFA_RW_OP_I93_STAY_QUIET, 108 NFA_RW_OP_I93_READ_SINGLE_BLOCK, 109 NFA_RW_OP_I93_WRITE_SINGLE_BLOCK, 110 NFA_RW_OP_I93_LOCK_BLOCK, 111 NFA_RW_OP_I93_READ_MULTI_BLOCK, 112 NFA_RW_OP_I93_WRITE_MULTI_BLOCK, 113 NFA_RW_OP_I93_SELECT, 114 NFA_RW_OP_I93_RESET_TO_READY, 115 NFA_RW_OP_I93_WRITE_AFI, 116 NFA_RW_OP_I93_LOCK_AFI, 117 NFA_RW_OP_I93_WRITE_DSFID, 118 NFA_RW_OP_I93_LOCK_DSFID, 119 NFA_RW_OP_I93_GET_SYS_INFO, 120 NFA_RW_OP_I93_GET_MULTI_BLOCK_STATUS, 121 NFA_RW_OP_I93_SET_ADDR_MODE, 122 NFA_RW_OP_MAX 123 }; 124 typedef uint8_t tNFA_RW_OP; 125 126 /* Enumeration of parameter structios for nfa_rw operations */ 127 128 /* NFA_RW_OP_WRITE_NDEF params */ 129 typedef struct { 130 uint32_t len; 131 uint8_t* p_data; 132 } tNFA_RW_OP_PARAMS_WRITE_NDEF; 133 134 /* NFA_RW_OP_SEND_RAW_FRAME params */ 135 typedef struct { NFC_HDR* p_data; } tNFA_RW_OP_PARAMS_SEND_RAW_FRAME; 136 137 /* NFA_RW_OP_SET_TAG_RO params */ 138 typedef struct { bool b_hard_lock; } tNFA_RW_OP_PARAMS_CONFIG_READ_ONLY; 139 140 /* NFA_RW_OP_T1T_READ params */ 141 typedef struct { 142 uint8_t segment_number; 143 uint8_t block_number; 144 uint8_t index; 145 } tNFA_RW_OP_PARAMS_T1T_READ; 146 147 /* NFA_RW_OP_T1T_WRITE_E8,NFA_RW_OP_T1T_WRITE_NE8 148 NFA_RW_OP_T1T_WRITE_E, NFA_RW_OP_T1T_WRITE_NE params */ 149 typedef struct { 150 bool b_erase; 151 uint8_t block_number; 152 uint8_t index; 153 uint8_t p_block_data[8]; 154 } tNFA_RW_OP_PARAMS_T1T_WRITE; 155 156 /* NFA_RW_OP_T2T_READ params */ 157 typedef struct { uint8_t block_number; } tNFA_RW_OP_PARAMS_T2T_READ; 158 159 /* NFA_RW_OP_T2T_WRITE params */ 160 typedef struct { 161 uint8_t block_number; 162 uint8_t p_block_data[4]; 163 } tNFA_RW_OP_PARAMS_T2T_WRITE; 164 165 /* NFA_RW_OP_T2T_SECTOR_SELECT params */ 166 typedef struct { uint8_t sector_number; } tNFA_RW_OP_PARAMS_T2T_SECTOR_SELECT; 167 168 /* NFA_RW_OP_T2T_READ_DYN_LOCKS params */ 169 typedef struct { 170 bool read_dyn_locks; 171 } tNFA_RW_OP_PARAMS_T2T_READ_DYN_LOCKS; 172 173 /* NFA_RW_OP_T3T_READ params */ 174 typedef struct { 175 uint8_t num_blocks; 176 tNFA_T3T_BLOCK_DESC* p_block_desc; 177 } tNFA_RW_OP_PARAMS_T3T_READ; 178 179 /* NFA_RW_OP_T3T_WRITE params */ 180 typedef struct { 181 uint8_t num_blocks; 182 tNFA_T3T_BLOCK_DESC* p_block_desc; 183 uint8_t* p_block_data; 184 } tNFA_RW_OP_PARAMS_T3T_WRITE; 185 186 /* NFA_RW_OP_I93_XXX params */ 187 typedef struct { 188 bool uid_present; 189 uint8_t uid[I93_UID_BYTE_LEN]; 190 bool afi_present; 191 uint8_t afi; 192 uint8_t dsfid; 193 bool addr_mode; 194 uint16_t first_block_number; 195 uint16_t number_blocks; 196 uint8_t* p_data; 197 } tNFA_RW_OP_PARAMS_I93_CMD; 198 199 /* Union of params for all reader/writer operations */ 200 typedef union { 201 /* params for NFA_RW_OP_WRITE_NDEF */ 202 tNFA_RW_OP_PARAMS_WRITE_NDEF write_ndef; 203 204 /* params for NFA_RW_OP_SEND_RAW_FRAME */ 205 tNFA_RW_OP_PARAMS_SEND_RAW_FRAME send_raw_frame; 206 207 /* params for NFA_RW_OP_SET_TAG_RO */ 208 tNFA_RW_OP_PARAMS_CONFIG_READ_ONLY set_readonly; 209 210 /* params for NFA_RW_OP_T2T_READ and NFA_RW_OP_T1T_WRITE */ 211 tNFA_RW_OP_PARAMS_T1T_READ t1t_read; 212 tNFA_RW_OP_PARAMS_T1T_WRITE t1t_write; 213 214 /* params for NFA_RW_OP_T2T_READ,NFA_RW_OP_T2T_WRITE and 215 * NFA_RW_OP_T2T_SECTOR_SELECT */ 216 tNFA_RW_OP_PARAMS_T2T_READ t2t_read; 217 tNFA_RW_OP_PARAMS_T2T_WRITE t2t_write; 218 tNFA_RW_OP_PARAMS_T2T_SECTOR_SELECT t2t_sector_select; 219 tNFA_RW_OP_PARAMS_T2T_READ_DYN_LOCKS t2t_read_dyn_locks; 220 221 /* params for NFA_RW_OP_T3T_READ and NFA_RW_OP_T3T_WRITE */ 222 tNFA_RW_OP_PARAMS_T3T_READ t3t_read; 223 tNFA_RW_OP_PARAMS_T3T_WRITE t3t_write; 224 225 /* params for NFA_RW_OP_PRESENCE_CHECK */ 226 tNFA_RW_PRES_CHK_OPTION option; 227 228 /* params for ISO 15693 */ 229 tNFA_RW_OP_PARAMS_I93_CMD i93_cmd; 230 231 } tNFA_RW_OP_PARAMS; 232 233 /* data type for NFA_RW_op_req_EVT */ 234 typedef struct { 235 NFC_HDR hdr; 236 tNFA_RW_OP op; /* NFA RW operation */ 237 tNFA_RW_OP_PARAMS params; 238 } tNFA_RW_OPERATION; 239 240 /* data type for NFA_RW_ACTIVATE_NTF */ 241 typedef struct { 242 NFC_HDR hdr; 243 tNFC_ACTIVATE_DEVT* p_activate_params; /* Data from NFC_ACTIVATE_DEVT */ 244 bool excl_rf_not_active; /* TRUE if not in exclusive RF mode */ 245 } tNFA_RW_ACTIVATE_NTF; 246 247 /* union of all data types */ 248 typedef union { 249 /* GKI event buffer header */ 250 NFC_HDR hdr; 251 tNFA_RW_OPERATION op_req; 252 tNFA_RW_ACTIVATE_NTF activate_ntf; 253 } tNFA_RW_MSG; 254 255 /* NDEF detection status */ 256 enum { 257 NFA_RW_NDEF_ST_UNKNOWN = 0, /* NDEF detection not performed yet */ 258 NFA_RW_NDEF_ST_TRUE, /* Tag is NDEF */ 259 NFA_RW_NDEF_ST_FALSE /* Tag is not NDEF */ 260 }; 261 typedef uint8_t tNFA_RW_NDEF_ST; 262 263 /* flags for RW control block */ 264 /* Activation while not in exclusive RF mode */ 265 #define NFA_RW_FL_NOT_EXCL_RF_MODE 0x01 266 /* Waiting for response from tag for auto-presence check */ 267 #define NFA_RW_FL_AUTO_PRESENCE_CHECK_BUSY 0x02 268 /* Read only tag */ 269 #define NFA_RW_FL_TAG_IS_READONLY 0x04 270 /* Busy retrieving additional tag information */ 271 #define NFA_RW_FL_ACTIVATION_NTF_PENDING 0x08 272 /* Tag operation is in progress */ 273 #define NFA_RW_FL_API_BUSY 0x10 274 /* Tag is been activated */ 275 #define NFA_RW_FL_ACTIVATED 0x20 276 /* NDEF DETECTed OK */ 277 #define NFA_RW_FL_NDEF_OK 0x40 278 279 /* NFA RW control block */ 280 typedef struct { 281 tNFA_RW_OP cur_op; /* Current operation */ 282 283 TIMER_LIST_ENT tle; /* list entry for nfa_rw timer */ 284 tNFA_RW_MSG* 285 p_pending_msg; /* Pending API (if busy performing presence check) */ 286 287 /* Tag info */ 288 tNFC_PROTOCOL protocol; 289 tNFC_INTF_TYPE intf_type; 290 uint8_t pa_sel_res; 291 tNFC_RF_TECH_N_MODE activated_tech_mode; /* activated technology and mode */ 292 int pres_check_iso_dep_nak_count; 293 bool pres_check_iso_dep_nak; 294 int pres_check_iso_dep_nak_err_cnt; 295 int pres_check_tag_err_count; 296 bool pres_check_tag; 297 298 bool b_hard_lock; 299 300 tNFA_RW_MSG* 301 p_buffer_rw_msg; /* Buffer to hold incoming cmd while reading tag id */ 302 303 /* TLV info */ 304 tNFA_RW_TLV_ST tlv_st; /* TLV detection status */ 305 306 /* NDEF info */ 307 tNFA_RW_NDEF_ST ndef_st; /* NDEF detection status */ 308 uint32_t ndef_max_size; /* max number of bytes available for NDEF data */ 309 uint32_t ndef_cur_size; /* current size of stored NDEF data (in bytes) */ 310 uint8_t* p_ndef_buf; 311 uint32_t ndef_rd_offset; /* current read-offset of incoming NDEF data */ 312 313 /* Current NDEF Write info */ 314 uint8_t* p_ndef_wr_buf; /* Pointer to NDEF data being written */ 315 uint32_t ndef_wr_len; /* Length of NDEF data being written */ 316 317 /* Reactivating type 2 tag after NACK rsp */ 318 tRW_EVENT halt_event; /* Event ID from stack after NACK response */ 319 tRW_DATA rw_data; /* Event Data from stack after NACK response */ 320 bool skip_dyn_locks; /* To skip reading dynamic locks during NDEF Detect */ 321 322 /* Flags (see defintions for NFA_RW_FL_* ) */ 323 uint8_t flags; 324 325 /* ISO 15693 tag memory information */ 326 uint16_t i93_afi_location; 327 uint8_t i93_dsfid; 328 uint8_t i93_block_size; 329 uint16_t i93_num_block; 330 uint8_t i93_uid[I93_UID_BYTE_LEN]; 331 uint8_t i93_addr_mode; 332 } tNFA_RW_CB; 333 extern tNFA_RW_CB nfa_rw_cb; 334 335 /* type definition for action functions */ 336 typedef bool (*tNFA_RW_ACTION)(tNFA_RW_MSG* p_data); 337 338 /* Internal nfa_rw function prototypes */ 339 extern void nfa_rw_stop_presence_check_timer(void); 340 341 /* Action function prototypes */ 342 extern bool nfa_rw_handle_op_req(tNFA_RW_MSG* p_data); 343 extern bool nfa_rw_activate_ntf(tNFA_RW_MSG* p_data); 344 extern bool nfa_rw_deactivate_ntf(tNFA_RW_MSG* p_data); 345 extern bool nfa_rw_presence_check_tick(tNFA_RW_MSG* p_data); 346 extern bool nfa_rw_presence_check_timeout(tNFA_RW_MSG* p_data); 347 extern void nfa_rw_handle_sleep_wakeup_rsp(tNFC_STATUS status); 348 extern void nfa_rw_handle_presence_check_rsp(tNFC_STATUS status); 349 extern void nfa_rw_command_complete(void); 350 extern bool nfa_rw_handle_event(NFC_HDR* p_msg); 351 352 extern void nfa_rw_free_ndef_rx_buf(void); 353 extern void nfa_rw_sys_disable(void); 354 355 #endif /* NFA_DM_INT_H */ 356