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1 /******************************************************************************
2  *
3  *  Copyright (C) 2010-2014 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  *  NFA interface for device management
22  *
23  ******************************************************************************/
24 #include <string.h>
25 
26 #include <android-base/stringprintf.h>
27 #include <base/logging.h>
28 #include <log/log.h>
29 
30 #include "ndef_utils.h"
31 #include "nfa_api.h"
32 #include "nfa_ce_int.h"
33 
34 using android::base::StringPrintf;
35 
36 extern bool nfc_debug_enabled;
37 
38 /*****************************************************************************
39 **  Constants
40 *****************************************************************************/
41 
42 /*****************************************************************************
43 **  APIs
44 *****************************************************************************/
45 /*******************************************************************************
46 **
47 ** Function         NFA_Init
48 **
49 ** Description      This function initializes control blocks for NFA
50 **
51 **                  p_hal_entry_tbl points to a table of HAL entry points
52 **
53 **                  NOTE: the buffer that p_hal_entry_tbl points must be
54 **                  persistent until NFA is disabled.
55 **
56 ** Returns          none
57 **
58 *******************************************************************************/
NFA_Init(tHAL_NFC_ENTRY * p_hal_entry_tbl)59 void NFA_Init(tHAL_NFC_ENTRY* p_hal_entry_tbl) {
60   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
61   nfa_sys_init();
62   nfa_dm_init();
63   nfa_p2p_init();
64   nfa_snep_init(false);
65   nfa_rw_init();
66   nfa_ce_init();
67   nfa_ee_init();
68   if (nfa_ee_max_ee_cfg != 0) {
69     nfa_dm_cb.get_max_ee = p_hal_entry_tbl->get_max_ee;
70     nfa_hci_init();
71   }
72 
73   /* Initialize NFC module */
74   NFC_Init(p_hal_entry_tbl);
75 }
76 
77 /*******************************************************************************
78 **
79 ** Function         NFA_Enable
80 **
81 ** Description      This function enables NFC. Prior to calling NFA_Enable,
82 **                  the NFCC must be powered up, and ready to receive commands.
83 **                  This function enables the tasks needed by NFC, opens the NCI
84 **                  transport, resets the NFC controller, downloads patches to
85 **                  the NFCC (if necessary), and initializes the NFC subsystems.
86 **
87 **                  This function should only be called once - typically when
88 **                  NFC is enabled during boot-up, or when NFC is enabled from a
89 **                  settings UI. Subsequent calls to NFA_Enable while NFA is
90 **                  enabling or enabled will be ignored. When the NFC startup
91 **                  procedure is completed, an NFA_DM_ENABLE_EVT is returned to
92 **                  the application using the tNFA_DM_CBACK.
93 **
94 ** Returns          NFA_STATUS_OK if successfully initiated
95 **                  NFA_STATUS_FAILED otherwise
96 **
97 *******************************************************************************/
NFA_Enable(tNFA_DM_CBACK * p_dm_cback,tNFA_CONN_CBACK * p_conn_cback)98 tNFA_STATUS NFA_Enable(tNFA_DM_CBACK* p_dm_cback,
99                        tNFA_CONN_CBACK* p_conn_cback) {
100   tNFA_DM_API_ENABLE* p_msg;
101 
102   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
103 
104   /* Validate parameters */
105   if ((!p_dm_cback) || (!p_conn_cback)) {
106     LOG(ERROR) << StringPrintf("error null callback");
107     return (NFA_STATUS_FAILED);
108   }
109 
110   p_msg = (tNFA_DM_API_ENABLE*)GKI_getbuf(sizeof(tNFA_DM_API_ENABLE));
111   if (p_msg != nullptr) {
112     p_msg->hdr.event = NFA_DM_API_ENABLE_EVT;
113     p_msg->p_dm_cback = p_dm_cback;
114     p_msg->p_conn_cback = p_conn_cback;
115 
116     nfa_sys_sendmsg(p_msg);
117 
118     return (NFA_STATUS_OK);
119   }
120 
121   return (NFA_STATUS_FAILED);
122 }
123 
124 /*******************************************************************************
125 **
126 ** Function         NFA_Disable
127 **
128 ** Description      This function is called to shutdown NFC. The tasks for NFC
129 **                  are terminated, and clean up routines are performed. This
130 **                  function is typically called during platform shut-down, or
131 **                  when NFC is disabled from a settings UI. When the NFC
132 **                  shutdown procedure is completed, an NFA_DM_DISABLE_EVT is
133 **                  returned to the application using the tNFA_DM_CBACK.
134 **
135 **                  The platform should wait until the NFC_DISABLE_REVT is
136 **                  received before powering down the NFC chip and NCI
137 **                  transport. This is required to so that NFA can gracefully
138 **                  shut down any open connections.
139 **
140 ** Returns          NFA_STATUS_OK if successfully initiated
141 **                  NFA_STATUS_FAILED otherwise
142 **
143 *******************************************************************************/
NFA_Disable(bool graceful)144 tNFA_STATUS NFA_Disable(bool graceful) {
145   tNFA_DM_API_DISABLE* p_msg;
146 
147   DLOG_IF(INFO, nfc_debug_enabled)
148       << StringPrintf("NFA_Disable (graceful=%i)", graceful);
149 
150   p_msg = (tNFA_DM_API_DISABLE*)GKI_getbuf(sizeof(tNFA_DM_API_DISABLE));
151   if (p_msg != nullptr) {
152     p_msg->hdr.event = NFA_DM_API_DISABLE_EVT;
153     p_msg->graceful = graceful;
154 
155     nfa_sys_sendmsg(p_msg);
156 
157     return (NFA_STATUS_OK);
158   }
159 
160   return (NFA_STATUS_FAILED);
161 }
162 
163 /*******************************************************************************
164 **
165 ** Function         NFA_GetNCIVersion
166 **
167 ** Description      Returns the NCI version of the NFCC to upper layer
168 **
169 **
170 ** Returns          NCI version NCI2.0 / NCI1.0
171 **
172 *******************************************************************************/
NFA_GetNCIVersion()173 uint8_t NFA_GetNCIVersion() { return NFC_GetNCIVersion(); }
174 
175 /*******************************************************************************
176 **
177 ** Function         NFA_SetPowerSubStateForScreenState
178 **
179 ** Description      Update the power sub-state as per current screen state to
180 **                  NFCC.
181 **
182 ** Returns          NFA_STATUS_OK if successfully initiated
183 **                  NFA_STATUS_FAILED otherwise
184 **
185 *******************************************************************************/
NFA_SetPowerSubStateForScreenState(uint8_t screenState)186 tNFA_STATUS NFA_SetPowerSubStateForScreenState(uint8_t screenState) {
187   DLOG_IF(INFO, nfc_debug_enabled)
188       << StringPrintf("%s: state:0x%X", __func__, screenState);
189 
190   uint8_t nci_scren_state = 0xFF;
191   uint16_t buf_size = sizeof(tNFA_DM_API_SET_POWER_SUB_STATE);
192   tNFA_DM_API_SET_POWER_SUB_STATE* p_msg =
193       (tNFA_DM_API_SET_POWER_SUB_STATE*)GKI_getbuf(buf_size);
194 
195   if (p_msg != nullptr) {
196     p_msg->hdr.event = NFA_DM_API_SET_POWER_SUB_STATE_EVT;
197     switch (screenState) {
198       case NFA_SCREEN_STATE_ON_UNLOCKED:
199         nci_scren_state = SCREEN_STATE_ON_UNLOCKED;
200         break;
201       case NFA_SCREEN_STATE_OFF_UNLOCKED:
202         nci_scren_state = SCREEN_STATE_OFF_UNLOCKED;
203         break;
204       case NFA_SCREEN_STATE_ON_LOCKED:
205         nci_scren_state = SCREEN_STATE_ON_LOCKED;
206         break;
207       case NFA_SCREEN_STATE_OFF_LOCKED:
208         nci_scren_state = SCREEN_STATE_OFF_LOCKED;
209         break;
210 
211       default:
212         DLOG_IF(INFO, nfc_debug_enabled)
213             << StringPrintf("%s, unknown screen state", __func__);
214         break;
215     }
216 
217     p_msg->screen_state = nci_scren_state;
218 
219     nfa_sys_sendmsg(p_msg);
220     return (NFA_STATUS_OK);
221   }
222   return (NFA_STATUS_FAILED);
223 }
224 /*******************************************************************************
225 **
226 ** Function         NFA_SetConfig
227 **
228 ** Description      Set the configuration parameters to NFCC. The result is
229 **                  reported with an NFA_DM_SET_CONFIG_EVT in the tNFA_DM_CBACK
230 **                  callback.
231 **
232 ** Note:            If RF discovery is started,
233 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
234 **                  happen before calling this function. Most Configuration
235 **                  parameters are related to RF discovery.
236 **
237 ** Returns          NFA_STATUS_OK if successfully initiated
238 **                  NFA_STATUS_BUSY if previous setting is on-going
239 **                  NFA_STATUS_FAILED otherwise
240 **
241 *******************************************************************************/
NFA_SetConfig(tNFA_PMID param_id,uint8_t length,uint8_t * p_data)242 tNFA_STATUS NFA_SetConfig(tNFA_PMID param_id, uint8_t length, uint8_t* p_data) {
243   tNFA_DM_API_SET_CONFIG* p_msg;
244 
245   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("param_id:0x%X", param_id);
246 
247   p_msg = (tNFA_DM_API_SET_CONFIG*)GKI_getbuf(
248       (uint16_t)(sizeof(tNFA_DM_API_SET_CONFIG) + length));
249   if (p_msg != nullptr) {
250     p_msg->hdr.event = NFA_DM_API_SET_CONFIG_EVT;
251 
252     p_msg->param_id = param_id;
253     p_msg->length = length;
254     p_msg->p_data = (uint8_t*)(p_msg + 1);
255 
256     /* Copy parameter data */
257     memcpy(p_msg->p_data, p_data, length);
258 
259     nfa_sys_sendmsg(p_msg);
260 
261     return (NFA_STATUS_OK);
262   }
263 
264   return (NFA_STATUS_FAILED);
265 }
266 
267 /*******************************************************************************
268 **
269 ** Function         NFA_GetConfig
270 **
271 ** Description      Get the configuration parameters from NFCC. The result is
272 **                  reported with an NFA_DM_GET_CONFIG_EVT in the tNFA_DM_CBACK
273 **                  callback.
274 **
275 ** Returns          NFA_STATUS_OK if successfully initiated
276 **                  NFA_STATUS_FAILED otherwise
277 **
278 *******************************************************************************/
NFA_GetConfig(uint8_t num_ids,tNFA_PMID * p_param_ids)279 tNFA_STATUS NFA_GetConfig(uint8_t num_ids, tNFA_PMID* p_param_ids) {
280   tNFA_DM_API_GET_CONFIG* p_msg;
281 
282   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("num_ids: %i", num_ids);
283 
284   p_msg = (tNFA_DM_API_GET_CONFIG*)GKI_getbuf(
285       (uint16_t)(sizeof(tNFA_DM_API_GET_CONFIG) + num_ids));
286   if (p_msg != nullptr) {
287     p_msg->hdr.event = NFA_DM_API_GET_CONFIG_EVT;
288 
289     p_msg->num_ids = num_ids;
290     p_msg->p_pmids = (tNFA_PMID*)(p_msg + 1);
291 
292     /* Copy the param IDs */
293     memcpy(p_msg->p_pmids, p_param_ids, num_ids);
294 
295     nfa_sys_sendmsg(p_msg);
296 
297     return (NFA_STATUS_OK);
298   }
299 
300   return (NFA_STATUS_FAILED);
301 }
302 
303 /*******************************************************************************
304 **
305 ** Function         NFA_RequestExclusiveRfControl
306 **
307 ** Description      Request exclusive control of NFC.
308 **                  - Previous behavior (polling/tag reading, DH card emulation)
309 **                    will be suspended .
310 **                  - Polling and listening will be done based on the specified
311 **                    params
312 **
313 **                  The NFA_EXCLUSIVE_RF_CONTROL_STARTED_EVT event of
314 **                  tNFA_CONN_CBACK indicates the status of the operation.
315 **
316 **                  NFA_ACTIVATED_EVT and NFA_DEACTIVATED_EVT indicates link
317 **                  activation/deactivation.
318 **
319 **                  NFA_SendRawFrame is used to send data to the peer.
320 **                  NFA_DATA_EVT indicates data from the peer.
321 **
322 **                  If a tag is activated, then the NFA_RW APIs may be used to
323 **                  send commands to the tag. Incoming NDEF messages are sent to
324 **                  the NDEF callback.
325 **
326 **                  Once exclusive RF control has started, NFA will not activate
327 **                  LLCP internally. The application has exclusive control of
328 **                  the link.
329 **
330 ** Note:            If RF discovery is started,
331 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
332 **                  happen before calling this function
333 **
334 ** Returns          NFA_STATUS_OK if successfully initiated
335 **                  NFA_STATUS_FAILED otherwise
336 **
337 *******************************************************************************/
NFA_RequestExclusiveRfControl(tNFA_TECHNOLOGY_MASK poll_mask,tNFA_LISTEN_CFG * p_listen_cfg,tNFA_CONN_CBACK * p_conn_cback,tNFA_NDEF_CBACK * p_ndef_cback)338 tNFA_STATUS NFA_RequestExclusiveRfControl(tNFA_TECHNOLOGY_MASK poll_mask,
339                                           tNFA_LISTEN_CFG* p_listen_cfg,
340                                           tNFA_CONN_CBACK* p_conn_cback,
341                                           tNFA_NDEF_CBACK* p_ndef_cback) {
342   tNFA_DM_API_REQ_EXCL_RF_CTRL* p_msg;
343 
344   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("poll_mask=0x%x", poll_mask);
345 
346   if (!p_conn_cback) {
347     LOG(ERROR) << StringPrintf("error null callback");
348     return (NFA_STATUS_FAILED);
349   }
350 
351   p_msg = (tNFA_DM_API_REQ_EXCL_RF_CTRL*)GKI_getbuf(
352       sizeof(tNFA_DM_API_REQ_EXCL_RF_CTRL));
353   if (p_msg != nullptr) {
354     p_msg->hdr.event = NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT;
355     p_msg->poll_mask = poll_mask;
356     p_msg->p_conn_cback = p_conn_cback;
357     p_msg->p_ndef_cback = p_ndef_cback;
358 
359     if (p_listen_cfg)
360       memcpy(&p_msg->listen_cfg, p_listen_cfg, sizeof(tNFA_LISTEN_CFG));
361     else
362       memset(&p_msg->listen_cfg, 0x00, sizeof(tNFA_LISTEN_CFG));
363 
364     nfa_sys_sendmsg(p_msg);
365 
366     return (NFA_STATUS_OK);
367   }
368 
369   return (NFA_STATUS_FAILED);
370 }
371 
372 /*******************************************************************************
373 **
374 ** Function         NFA_ReleaseExclusiveRfControl
375 **
376 ** Description      Release exclusive control of NFC. Once released, behavior
377 **                  prior to obtaining exclusive RF control will resume.
378 **
379 ** Returns          NFA_STATUS_OK if successfully initiated
380 **                  NFA_STATUS_FAILED otherwise
381 **
382 *******************************************************************************/
NFA_ReleaseExclusiveRfControl(void)383 tNFA_STATUS NFA_ReleaseExclusiveRfControl(void) {
384   NFC_HDR* p_msg;
385 
386   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
387 
388   if (!nfa_dm_cb.p_excl_conn_cback) {
389     LOG(ERROR) << StringPrintf(
390         "Exclusive rf control is not in "
391         "progress");
392     return (NFA_STATUS_FAILED);
393   }
394 
395   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
396   if (p_msg != nullptr) {
397     p_msg->event = NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT;
398     nfa_sys_sendmsg(p_msg);
399     return (NFA_STATUS_OK);
400   }
401 
402   return (NFA_STATUS_FAILED);
403 }
404 
405 /*******************************************************************************
406 **
407 ** Function         NFA_EnablePolling
408 **
409 ** Description      Enable polling for technologies specified by poll_mask.
410 **
411 **                  The following events (notified using the connection
412 **                  callback registered with NFA_Enable) are generated during
413 **                  polling:
414 **
415 **                  - NFA_POLL_ENABLED_EVT indicates whether or not polling
416 **                    successfully enabled.
417 **                  - NFA_DISC_RESULT_EVT indicates there are more than one
418 **                    devices, so application must select one of tags by calling
419 **                    NFA_Select().
420 **                  - NFA_SELECT_RESULT_EVT indicates whether previous selection
421 **                    was successful or not. If it was failed then application
422 **                    must select again or deactivate by calling
423 **                    NFA_Deactivate().
424 **                  - NFA_ACTIVATED_EVT is generated when an NFC link is
425 **                    activated.
426 **                  - NFA_NDEF_DETECT_EVT is generated if tag is activated
427 **                  - NFA_LLCP_ACTIVATED_EVT/NFA_LLCP_DEACTIVATED_EVT is
428 **                    generated if NFC-DEP is activated
429 **                  - NFA_DEACTIVATED_EVT will be returned after deactivating
430 **                    NFC link.
431 **
432 ** Note:            If RF discovery is started,
433 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
434 **                  happen before calling this function
435 **
436 ** Returns          NFA_STATUS_OK if successfully initiated
437 **                  NFA_STATUS_FAILED otherwise
438 **
439 *******************************************************************************/
NFA_EnablePolling(tNFA_TECHNOLOGY_MASK poll_mask)440 tNFA_STATUS NFA_EnablePolling(tNFA_TECHNOLOGY_MASK poll_mask) {
441   tNFA_DM_API_ENABLE_POLL* p_msg;
442 
443   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("0x%X", poll_mask);
444 
445   p_msg = (tNFA_DM_API_ENABLE_POLL*)GKI_getbuf(sizeof(tNFA_DM_API_ENABLE_POLL));
446   if (p_msg != nullptr) {
447     p_msg->hdr.event = NFA_DM_API_ENABLE_POLLING_EVT;
448     p_msg->poll_mask = poll_mask;
449 
450     nfa_sys_sendmsg(p_msg);
451 
452     return (NFA_STATUS_OK);
453   }
454 
455   return (NFA_STATUS_FAILED);
456 }
457 
458 /*******************************************************************************
459 **
460 ** Function         NFA_DisablePolling
461 **
462 ** Description      Disable polling
463 **                  NFA_POLL_DISABLED_EVT will be returned after stopping
464 **                  polling.
465 **
466 ** Note:            If RF discovery is started,
467 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
468 **                  happen before calling this function
469 **
470 ** Returns          NFA_STATUS_OK if successfully initiated
471 **                  NFA_STATUS_FAILED otherwise
472 **
473 *******************************************************************************/
NFA_DisablePolling(void)474 tNFA_STATUS NFA_DisablePolling(void) {
475   NFC_HDR* p_msg;
476 
477   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
478 
479   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
480   if (p_msg != nullptr) {
481     p_msg->event = NFA_DM_API_DISABLE_POLLING_EVT;
482 
483     nfa_sys_sendmsg(p_msg);
484 
485     return (NFA_STATUS_OK);
486   }
487 
488   return (NFA_STATUS_FAILED);
489 }
490 
491 /*******************************************************************************
492 **
493 ** Function         NFA_EnableListening
494 **
495 ** Description      Enable listening.
496 **                  NFA_LISTEN_ENABLED_EVT will be returned after listening is
497 **                  allowed.
498 **
499 **                  The actual listening technologies are specified by other NFA
500 **                  API functions. Such functions include (but not limited to)
501 **                  NFA_CeConfigureUiccListenTech.
502 **                  If NFA_DisableListening () is called to ignore the listening
503 **                  technologies, NFA_EnableListening () is called to restore
504 **                  the listening technologies set by these functions.
505 **
506 ** Note:            If RF discovery is started,
507 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
508 **                  happen before calling this function
509 **
510 ** Returns          NFA_STATUS_OK if successfully initiated
511 **                  NFA_STATUS_FAILED otherwise
512 **
513 *******************************************************************************/
NFA_EnableListening(void)514 tNFA_STATUS NFA_EnableListening(void) {
515   NFC_HDR* p_msg;
516 
517   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
518 
519   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
520   if (p_msg != nullptr) {
521     p_msg->event = NFA_DM_API_ENABLE_LISTENING_EVT;
522 
523     nfa_sys_sendmsg(p_msg);
524 
525     return (NFA_STATUS_OK);
526   }
527 
528   return (NFA_STATUS_FAILED);
529 }
530 
531 /*******************************************************************************
532 **
533 ** Function         NFA_DisableListening
534 **
535 ** Description      Disable listening
536 **                  NFA_LISTEN_DISABLED_EVT will be returned after stopping
537 **                  listening. This function is called to exclude listen at RF
538 **                  discovery.
539 **
540 ** Note:            If RF discovery is started,
541 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
542 **                  happen before calling this function
543 **
544 ** Returns          NFA_STATUS_OK if successfully initiated
545 **                  NFA_STATUS_FAILED otherwise
546 **
547 *******************************************************************************/
NFA_DisableListening(void)548 tNFA_STATUS NFA_DisableListening(void) {
549   NFC_HDR* p_msg;
550 
551   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
552 
553   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
554   if (p_msg != nullptr) {
555     p_msg->event = NFA_DM_API_DISABLE_LISTENING_EVT;
556 
557     nfa_sys_sendmsg(p_msg);
558 
559     return (NFA_STATUS_OK);
560   }
561 
562   return (NFA_STATUS_FAILED);
563 }
564 
565 /*******************************************************************************
566 **
567 ** Function         NFA_PauseP2p
568 **
569 ** Description      Pause P2P services.
570 **                  NFA_P2P_PAUSED_EVT will be returned after P2P services are
571 **                  disabled.
572 **
573 **                  The P2P services enabled by NFA_P2p* API functions are not
574 **                  available. NFA_ResumeP2p() is called to resume the P2P
575 **                  services.
576 **
577 ** Note:            If RF discovery is started,
578 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
579 **                  happen before calling this function
580 **
581 ** Returns          NFA_STATUS_OK if successfully initiated
582 **                  NFA_STATUS_FAILED otherwise
583 **
584 *******************************************************************************/
NFA_PauseP2p(void)585 tNFA_STATUS NFA_PauseP2p(void) {
586   NFC_HDR* p_msg;
587 
588   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
589 
590   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
591   if (p_msg != nullptr) {
592     p_msg->event = NFA_DM_API_PAUSE_P2P_EVT;
593 
594     nfa_sys_sendmsg(p_msg);
595 
596     return (NFA_STATUS_OK);
597   }
598 
599   return (NFA_STATUS_FAILED);
600 }
601 
602 /*******************************************************************************
603 **
604 ** Function         NFA_ResumeP2p
605 **
606 ** Description      Resume P2P services.
607 **                  NFA_P2P_RESUMED_EVT will be returned after P2P services are.
608 **                  enables again.
609 **
610 ** Note:            If RF discovery is started,
611 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
612 **                  happen before calling this function
613 **
614 ** Returns          NFA_STATUS_OK if successfully initiated
615 **                  NFA_STATUS_FAILED otherwise
616 **
617 *******************************************************************************/
NFA_ResumeP2p(void)618 tNFA_STATUS NFA_ResumeP2p(void) {
619   NFC_HDR* p_msg;
620 
621   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
622 
623   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
624   if (p_msg != nullptr) {
625     p_msg->event = NFA_DM_API_RESUME_P2P_EVT;
626 
627     nfa_sys_sendmsg(p_msg);
628 
629     return (NFA_STATUS_OK);
630   }
631 
632   return (NFA_STATUS_FAILED);
633 }
634 
635 /*******************************************************************************
636 **
637 ** Function         NFA_SetP2pListenTech
638 **
639 ** Description      This function is called to set listen technology for
640 **                  NFC-DEP. This funtion may be called before or after starting
641 **                  any server on NFA P2P/CHO/SNEP.
642 **                  If there is no technology for NFC-DEP, P2P listening will be
643 **                  stopped.
644 **
645 **                  NFA_SET_P2P_LISTEN_TECH_EVT without data will be returned.
646 **
647 ** Note:            If RF discovery is started,
648 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
649 **                  happen before calling this function
650 **
651 ** Returns          NFA_STATUS_OK if successfully initiated
652 **                  NFA_STATUS_FAILED otherwise
653 **
654 *******************************************************************************/
NFA_SetP2pListenTech(tNFA_TECHNOLOGY_MASK tech_mask)655 tNFA_STATUS NFA_SetP2pListenTech(tNFA_TECHNOLOGY_MASK tech_mask) {
656   tNFA_DM_API_SET_P2P_LISTEN_TECH* p_msg;
657 
658   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("tech_mask:0x%X", tech_mask);
659 
660   p_msg = (tNFA_DM_API_SET_P2P_LISTEN_TECH*)GKI_getbuf(
661       sizeof(tNFA_DM_API_SET_P2P_LISTEN_TECH));
662   if (p_msg != nullptr) {
663     p_msg->hdr.event = NFA_DM_API_SET_P2P_LISTEN_TECH_EVT;
664     p_msg->tech_mask = tech_mask;
665 
666     nfa_sys_sendmsg(p_msg);
667 
668     return (NFA_STATUS_OK);
669   }
670 
671   return (NFA_STATUS_FAILED);
672 }
673 
674 /*******************************************************************************
675 **
676 ** Function         NFA_StartRfDiscovery
677 **
678 ** Description      Start RF discovery
679 **                  RF discovery parameters shall be set by other APIs.
680 **
681 **                  An NFA_RF_DISCOVERY_STARTED_EVT indicates whether starting
682 **                  was successful or not.
683 **
684 ** Returns          NFA_STATUS_OK if successfully initiated
685 **                  NFA_STATUS_FAILED otherwise
686 **
687 *******************************************************************************/
NFA_StartRfDiscovery(void)688 tNFA_STATUS NFA_StartRfDiscovery(void) {
689   NFC_HDR* p_msg;
690 
691   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
692 
693   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
694   if (p_msg != nullptr) {
695     p_msg->event = NFA_DM_API_START_RF_DISCOVERY_EVT;
696 
697     nfa_sys_sendmsg(p_msg);
698 
699     return (NFA_STATUS_OK);
700   }
701 
702   return (NFA_STATUS_FAILED);
703 }
704 
705 /*******************************************************************************
706 **
707 ** Function         NFA_StopRfDiscovery
708 **
709 ** Description      Stop RF discovery
710 **
711 **                  An NFA_RF_DISCOVERY_STOPPED_EVT indicates whether stopping
712 **                  was successful or not.
713 **
714 ** Returns          NFA_STATUS_OK if successfully initiated
715 **                  NFA_STATUS_FAILED otherwise
716 **
717 *******************************************************************************/
NFA_StopRfDiscovery(void)718 tNFA_STATUS NFA_StopRfDiscovery(void) {
719   NFC_HDR* p_msg;
720 
721   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
722 
723   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
724   if (p_msg != nullptr) {
725     p_msg->event = NFA_DM_API_STOP_RF_DISCOVERY_EVT;
726 
727     nfa_sys_sendmsg(p_msg);
728 
729     return (NFA_STATUS_OK);
730   }
731 
732   return (NFA_STATUS_FAILED);
733 }
734 
735 /*******************************************************************************
736 **
737 ** Function         NFA_SetRfDiscoveryDuration
738 **
739 ** Description      Set the duration of the single discovery period in [ms].
740 **                  Allowable range: 0 ms to 0xFFFF ms.
741 **
742 **                  If discovery is already started, the application should
743 **                  call NFA_StopRfDiscovery prior to calling
744 **                  NFA_SetRfDiscoveryDuration, and then call
745 **                  NFA_StartRfDiscovery afterwards to restart discovery using
746 **                  the new duration.
747 **
748 ** Note:            If RF discovery is started,
749 **                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
750 **                  happen before calling this function
751 **
752 ** Returns:
753 **                  NFA_STATUS_OK, if command accepted
754 **                  NFA_STATUS_FAILED: otherwise
755 **
756 *******************************************************************************/
NFA_SetRfDiscoveryDuration(uint16_t discovery_period_ms)757 tNFA_STATUS NFA_SetRfDiscoveryDuration(uint16_t discovery_period_ms) {
758   tNFA_DM_API_SET_RF_DISC_DUR* p_msg;
759 
760   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
761 
762   /* Post the API message */
763   p_msg = (tNFA_DM_API_SET_RF_DISC_DUR*)GKI_getbuf(sizeof(NFC_HDR));
764   if (p_msg != nullptr) {
765     p_msg->hdr.event = NFA_DM_API_SET_RF_DISC_DURATION_EVT;
766 
767     /* Set discovery duration */
768     p_msg->rf_disc_dur_ms = discovery_period_ms;
769 
770     nfa_sys_sendmsg(p_msg);
771 
772     return (NFA_STATUS_OK);
773   }
774 
775   return (NFA_STATUS_FAILED);
776 }
777 
778 /*******************************************************************************
779 **
780 ** Function         NFA_Select
781 **
782 ** Description      Select one from detected devices during discovery
783 **                  (from NFA_DISC_RESULT_EVTs). The application should wait for
784 **                  the final NFA_DISC_RESULT_EVT before selecting.
785 **
786 **                  An NFA_SELECT_RESULT_EVT indicates whether selection was
787 **                  successful or not. If failed then application must select
788 **                  again or deactivate by NFA_Deactivate().
789 **
790 ** Returns          NFA_STATUS_OK if successfully initiated
791 **                  NFA_STATUS_INVALID_PARAM if RF interface is not matched
792 **                  protocol
793 **                  NFA_STATUS_FAILED otherwise
794 **
795 *******************************************************************************/
NFA_Select(uint8_t rf_disc_id,tNFA_NFC_PROTOCOL protocol,tNFA_INTF_TYPE rf_interface)796 tNFA_STATUS NFA_Select(uint8_t rf_disc_id, tNFA_NFC_PROTOCOL protocol,
797                        tNFA_INTF_TYPE rf_interface) {
798   tNFA_DM_API_SELECT* p_msg;
799 
800   DLOG_IF(INFO, nfc_debug_enabled)
801       << StringPrintf("rf_disc_id:0x%X, protocol:0x%X, rf_interface:0x%X",
802                       rf_disc_id, protocol, rf_interface);
803 
804   if (((rf_interface == NFA_INTERFACE_ISO_DEP) &&
805        (protocol != NFA_PROTOCOL_ISO_DEP)) ||
806       ((rf_interface == NFA_INTERFACE_NFC_DEP) &&
807        (protocol != NFA_PROTOCOL_NFC_DEP))) {
808     LOG(ERROR) << StringPrintf("RF interface is not matched protocol");
809     return (NFA_STATUS_INVALID_PARAM);
810   }
811 
812   p_msg =
813       (tNFA_DM_API_SELECT*)GKI_getbuf((uint16_t)(sizeof(tNFA_DM_API_SELECT)));
814   if (p_msg != nullptr) {
815     p_msg->hdr.event = NFA_DM_API_SELECT_EVT;
816     p_msg->rf_disc_id = rf_disc_id;
817     p_msg->protocol = protocol;
818     p_msg->rf_interface = rf_interface;
819 
820     nfa_sys_sendmsg(p_msg);
821 
822     return (NFA_STATUS_OK);
823   }
824 
825   return (NFA_STATUS_FAILED);
826 }
827 
828 /*******************************************************************************
829 **
830 ** Function         NFA_UpdateRFCommParams
831 **
832 ** Description      This function is called to update RF Communication
833 **                  parameters once the Frame RF Interface has been activated.
834 **
835 **                  An NFA_UPDATE_RF_PARAM_RESULT_EVT indicates whether updating
836 **                  was successful or not.
837 **
838 ** Returns          NFA_STATUS_OK if successfully initiated
839 **                  NFA_STATUS_FAILED otherwise
840 **
841 *******************************************************************************/
NFA_UpdateRFCommParams(tNFA_RF_COMM_PARAMS * p_params)842 tNFA_STATUS NFA_UpdateRFCommParams(tNFA_RF_COMM_PARAMS* p_params) {
843   tNFA_DM_API_UPDATE_RF_PARAMS* p_msg;
844 
845   DLOG_IF(INFO, nfc_debug_enabled) << __func__;
846 
847   p_msg = (tNFA_DM_API_UPDATE_RF_PARAMS*)GKI_getbuf(
848       (uint16_t)(sizeof(tNFA_DM_API_UPDATE_RF_PARAMS)));
849   if (p_msg != nullptr) {
850     p_msg->hdr.event = NFA_DM_API_UPDATE_RF_PARAMS_EVT;
851     memcpy(&p_msg->params, p_params, sizeof(tNFA_RF_COMM_PARAMS));
852 
853     nfa_sys_sendmsg(p_msg);
854 
855     return (NFA_STATUS_OK);
856   }
857 
858   return (NFA_STATUS_FAILED);
859 }
860 
861 /*******************************************************************************
862 **
863 ** Function         NFA_Deactivate
864 **
865 ** Description
866 **                  If sleep_mode=TRUE:
867 **                      Deselect the activated device by deactivating into sleep
868 **                      mode.
869 **
870 **                      An NFA_DEACTIVATE_FAIL_EVT indicates that selection was
871 **                      not successful. Application can select another
872 **                      discovered device or deactivate by NFA_Deactivate()
873 **                      after receiving NFA_DEACTIVATED_EVT.
874 **
875 **                      Deactivating to sleep mode is not allowed when NFCC is
876 **                      in wait-for-host-select mode, or in listen-sleep states;
877 **                      NFA will deactivate to idle or discovery state for these
878 **                      cases respectively.
879 **
880 **
881 **                  If sleep_mode=FALSE:
882 **                      Deactivate the connection (e.g. as a result of presence
883 **                      check failure) NFA_DEACTIVATED_EVT will indicate that
884 **                      link is deactivated. Polling/listening will resume
885 **                      (unless the nfcc is in wait_for-all-discoveries state)
886 **
887 **
888 ** Returns          NFA_STATUS_OK if successfully initiated
889 **                  NFA_STATUS_FAILED otherwise
890 **
891 *******************************************************************************/
NFA_Deactivate(bool sleep_mode)892 extern tNFA_STATUS NFA_Deactivate(bool sleep_mode) {
893   tNFA_DM_API_DEACTIVATE* p_msg;
894 
895   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("sleep_mode:%i", sleep_mode);
896 
897   p_msg = (tNFA_DM_API_DEACTIVATE*)GKI_getbuf(
898       (uint16_t)(sizeof(tNFA_DM_API_DEACTIVATE)));
899   if (p_msg != nullptr) {
900     p_msg->hdr.event = NFA_DM_API_DEACTIVATE_EVT;
901     p_msg->sleep_mode = sleep_mode;
902 
903     nfa_sys_sendmsg(p_msg);
904 
905     return (NFA_STATUS_OK);
906   }
907 
908   return (NFA_STATUS_FAILED);
909 }
910 
911 /*******************************************************************************
912 **
913 ** Function         NFA_SendRawFrame
914 **
915 ** Description      Send a raw frame over the activated interface with the NFCC.
916 **                  This function can only be called after NFC link is
917 **                  activated.
918 **
919 **                  If the activated interface is a tag and auto-presence check
920 **                  is enabled then presence_check_start_delay can be used to
921 **                  indicate the delay in msec after which the next auto
922 **                  presence check command can be sent.
923 **                  NFA_DM_DEFAULT_PRESENCE_CHECK_START_DELAY can be used as the
924 **                  default value for the delay.
925 **
926 ** Returns          NFA_STATUS_OK if successfully initiated
927 **                  NFA_STATUS_FAILED otherwise
928 **
929 *******************************************************************************/
NFA_SendRawFrame(uint8_t * p_raw_data,uint16_t data_len,uint16_t presence_check_start_delay)930 tNFA_STATUS NFA_SendRawFrame(uint8_t* p_raw_data, uint16_t data_len,
931                              uint16_t presence_check_start_delay) {
932   NFC_HDR* p_msg;
933   uint16_t size;
934   uint8_t* p;
935 
936   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("data_len:%d", data_len);
937 
938   /* Validate parameters */
939   if ((data_len == 0) || (p_raw_data == nullptr))
940     return (NFA_STATUS_INVALID_PARAM);
941 
942   size = NFC_HDR_SIZE + NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + data_len;
943   /* Check for integer overflow */
944   if (size < data_len) {
945     android_errorWriteLog(0x534e4554, "120664978");
946     return NFA_STATUS_INVALID_PARAM;
947   }
948   p_msg = (NFC_HDR*)GKI_getbuf(size);
949   if (p_msg != nullptr) {
950     p_msg->event = NFA_DM_API_RAW_FRAME_EVT;
951     p_msg->layer_specific = presence_check_start_delay;
952     p_msg->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE;
953     p_msg->len = data_len;
954 
955     p = (uint8_t*)(p_msg + 1) + p_msg->offset;
956     memcpy(p, p_raw_data, data_len);
957 
958     nfa_sys_sendmsg(p_msg);
959 
960     return (NFA_STATUS_OK);
961   }
962 
963   return (NFA_STATUS_FAILED);
964 }
965 
966 /*******************************************************************************
967 ** NDEF Handler APIs
968 *******************************************************************************/
969 
970 /*******************************************************************************
971 **
972 ** Function         NFA_RegisterNDefTypeHandler
973 **
974 ** Description      This function allows the applications to register for
975 **                  specific types of NDEF records. When NDEF records are
976 **                  received, NFA will parse the record-type field, and pass
977 **                  the record to the registered tNFA_NDEF_CBACK.
978 **
979 **                  For records types which were not registered, the record will
980 **                  be sent to the default handler. A default type-handler may
981 **                  be registered by calling this NFA_RegisterNDefTypeHandler
982 **                  with tnf=NFA_TNF_DEFAULT. In this case, all un-registered
983 **                  record types will be sent to the callback. Only one default
984 **                  handler may be registered at a time.
985 **
986 **                  An NFA_NDEF_REGISTER_EVT will be sent to the tNFA_NDEF_CBACK
987 **                  to indicate that registration was successful, and provide a
988 **                  handle for this record type.
989 **
990 ** Returns          NFA_STATUS_OK if successfully initiated
991 **                  NFA_STATUS_FAILED otherwise
992 **
993 *******************************************************************************/
NFA_RegisterNDefTypeHandler(bool handle_whole_message,tNFA_TNF tnf,uint8_t * p_type_name,uint8_t type_name_len,tNFA_NDEF_CBACK * p_ndef_cback)994 tNFA_STATUS NFA_RegisterNDefTypeHandler(bool handle_whole_message, tNFA_TNF tnf,
995                                         uint8_t* p_type_name,
996                                         uint8_t type_name_len,
997                                         tNFA_NDEF_CBACK* p_ndef_cback) {
998   tNFA_DM_API_REG_NDEF_HDLR* p_msg;
999 
1000   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
1001       "handle whole ndef message: %i, "
1002       "tnf=0x%02x",
1003       handle_whole_message, tnf);
1004 
1005   /* Check for NULL callback */
1006   if (!p_ndef_cback) {
1007     LOG(ERROR) << StringPrintf("error - null callback");
1008     return (NFA_STATUS_INVALID_PARAM);
1009   }
1010 
1011   p_msg = (tNFA_DM_API_REG_NDEF_HDLR*)GKI_getbuf(
1012       (uint16_t)(sizeof(tNFA_DM_API_REG_NDEF_HDLR) + type_name_len));
1013   if (p_msg != nullptr) {
1014     p_msg->hdr.event = NFA_DM_API_REG_NDEF_HDLR_EVT;
1015 
1016     p_msg->flags =
1017         (handle_whole_message ? NFA_NDEF_FLAGS_HANDLE_WHOLE_MESSAGE : 0);
1018     p_msg->tnf = tnf;
1019     p_msg->name_len = type_name_len;
1020     p_msg->p_ndef_cback = p_ndef_cback;
1021     memcpy(p_msg->name, p_type_name, type_name_len);
1022 
1023     nfa_sys_sendmsg(p_msg);
1024 
1025     return (NFA_STATUS_OK);
1026   }
1027 
1028   return (NFA_STATUS_FAILED);
1029 }
1030 
1031 /*******************************************************************************
1032 **
1033 ** Function         NFA_RegisterNDefUriHandler
1034 **
1035 ** Description      This API is a special-case of NFA_RegisterNDefTypeHandler
1036 **                  with TNF=NFA_TNF_WKT, and type_name='U' (URI record); and
1037 **                  allows registering for specific URI types (e.g. 'tel:' or
1038 **                  'mailto:').
1039 **
1040 **                  An NFA_NDEF_REGISTER_EVT will be sent to the tNFA_NDEF_CBACK
1041 **                  to indicate that registration was successful, and provide a
1042 **                  handle for this registration.
1043 **
1044 **                  If uri_id=NFA_NDEF_URI_ID_ABSOLUTE, then p_abs_uri contains
1045 **                  the unabridged URI. For all other uri_id values,
1046 **                  the p_abs_uri parameter is ignored (i.e the URI prefix is
1047 **                  implied by uri_id). See [NFC RTD URI] for more information.
1048 **
1049 ** Returns          NFA_STATUS_OK if successfully initiated
1050 **                  NFA_STATUS_FAILED otherwise
1051 **
1052 *******************************************************************************/
NFA_RegisterNDefUriHandler(bool handle_whole_message,tNFA_NDEF_URI_ID uri_id,uint8_t * p_abs_uri,uint8_t uri_id_len,tNFA_NDEF_CBACK * p_ndef_cback)1053 extern tNFA_STATUS NFA_RegisterNDefUriHandler(bool handle_whole_message,
1054                                               tNFA_NDEF_URI_ID uri_id,
1055                                               uint8_t* p_abs_uri,
1056                                               uint8_t uri_id_len,
1057                                               tNFA_NDEF_CBACK* p_ndef_cback) {
1058   tNFA_DM_API_REG_NDEF_HDLR* p_msg;
1059 
1060   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
1061       "handle whole ndef message: %i, "
1062       "uri_id=0x%02x",
1063       handle_whole_message, uri_id);
1064 
1065   /* Check for NULL callback */
1066   if (!p_ndef_cback) {
1067     LOG(ERROR) << StringPrintf("error - null callback");
1068     return (NFA_STATUS_INVALID_PARAM);
1069   }
1070 
1071   p_msg = (tNFA_DM_API_REG_NDEF_HDLR*)GKI_getbuf(
1072       (uint16_t)(sizeof(tNFA_DM_API_REG_NDEF_HDLR) + uri_id_len));
1073   if (p_msg != nullptr) {
1074     p_msg->hdr.event = NFA_DM_API_REG_NDEF_HDLR_EVT;
1075 
1076     p_msg->flags = NFA_NDEF_FLAGS_WKT_URI;
1077 
1078     if (handle_whole_message) {
1079       p_msg->flags |= NFA_NDEF_FLAGS_HANDLE_WHOLE_MESSAGE;
1080     }
1081 
1082     /* abs_uri is only valid fir uri_id=NFA_NDEF_URI_ID_ABSOLUTE */
1083     if (uri_id != NFA_NDEF_URI_ID_ABSOLUTE) {
1084       uri_id_len = 0;
1085     }
1086 
1087     p_msg->tnf = NFA_TNF_WKT;
1088     p_msg->uri_id = uri_id;
1089     p_msg->name_len = uri_id_len;
1090     p_msg->p_ndef_cback = p_ndef_cback;
1091     memcpy(p_msg->name, p_abs_uri, uri_id_len);
1092 
1093     nfa_sys_sendmsg(p_msg);
1094 
1095     return (NFA_STATUS_OK);
1096   }
1097 
1098   return (NFA_STATUS_FAILED);
1099 }
1100 
1101 /*******************************************************************************
1102 **
1103 ** Function         NFA_DeregisterNDefTypeHandler
1104 **
1105 ** Description      Deregister NDEF record type handler.
1106 **
1107 ** Returns          NFA_STATUS_OK if successfully initiated
1108 **                  NFA_STATUS_FAILED otherwise
1109 **
1110 *******************************************************************************/
NFA_DeregisterNDefTypeHandler(tNFA_HANDLE ndef_type_handle)1111 extern tNFA_STATUS NFA_DeregisterNDefTypeHandler(tNFA_HANDLE ndef_type_handle) {
1112   tNFA_DM_API_DEREG_NDEF_HDLR* p_msg;
1113 
1114   DLOG_IF(INFO, nfc_debug_enabled)
1115       << StringPrintf("handle 0x%08x", ndef_type_handle);
1116 
1117   p_msg = (tNFA_DM_API_DEREG_NDEF_HDLR*)GKI_getbuf(
1118       (uint16_t)(sizeof(tNFA_DM_API_DEREG_NDEF_HDLR)));
1119   if (p_msg != nullptr) {
1120     p_msg->hdr.event = NFA_DM_API_DEREG_NDEF_HDLR_EVT;
1121     p_msg->ndef_type_handle = ndef_type_handle;
1122 
1123     nfa_sys_sendmsg(p_msg);
1124 
1125     return (NFA_STATUS_OK);
1126   }
1127 
1128   return (NFA_STATUS_FAILED);
1129 }
1130 
1131 /*******************************************************************************
1132 **
1133 ** Function         NFA_PowerOffSleepMode
1134 **
1135 ** Description      This function is called to enter or leave NFCC Power Off
1136 **                  Sleep mode NFA_DM_PWR_MODE_CHANGE_EVT will be sent to
1137 **                  indicate status.
1138 **
1139 **                  start_stop : TRUE if entering Power Off Sleep mode
1140 **                               FALSE if leaving Power Off Sleep mode
1141 **
1142 ** Returns          NFA_STATUS_OK if successfully initiated
1143 **                  NFA_STATUS_FAILED otherwise
1144 **
1145 *******************************************************************************/
NFA_PowerOffSleepMode(bool start_stop)1146 tNFA_STATUS NFA_PowerOffSleepMode(bool start_stop) {
1147   NFC_HDR* p_msg;
1148 
1149   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("start_stop=%d", start_stop);
1150 
1151   if (nfa_dm_cb.flags & NFA_DM_FLAGS_SETTING_PWR_MODE) {
1152     LOG(ERROR) << StringPrintf("NFA DM is busy to update power mode");
1153     return (NFA_STATUS_FAILED);
1154   } else {
1155     nfa_dm_cb.flags |= NFA_DM_FLAGS_SETTING_PWR_MODE;
1156   }
1157 
1158   p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
1159   if (p_msg != nullptr) {
1160     p_msg->event = NFA_DM_API_POWER_OFF_SLEEP_EVT;
1161     p_msg->layer_specific = start_stop;
1162 
1163     nfa_sys_sendmsg(p_msg);
1164 
1165     return (NFA_STATUS_OK);
1166   }
1167 
1168   return (NFA_STATUS_FAILED);
1169 }
1170 
1171 /*******************************************************************************
1172 **
1173 ** Function         NFA_RegVSCback
1174 **
1175 ** Description      This function is called to register or de-register a
1176 **                  callback function to receive Proprietary NCI response and
1177 **                  notification events. The maximum number of callback
1178 **                  functions allowed is NFC_NUM_VS_CBACKS
1179 **
1180 ** Returns          tNFC_STATUS
1181 **
1182 *******************************************************************************/
NFA_RegVSCback(bool is_register,tNFA_VSC_CBACK * p_cback)1183 tNFC_STATUS NFA_RegVSCback(bool is_register, tNFA_VSC_CBACK* p_cback) {
1184   tNFA_DM_API_REG_VSC* p_msg;
1185 
1186   DLOG_IF(INFO, nfc_debug_enabled)
1187       << StringPrintf("is_register=%d", is_register);
1188 
1189   if (p_cback == nullptr) {
1190     LOG(ERROR) << StringPrintf("requires a valid callback function");
1191     return (NFA_STATUS_FAILED);
1192   }
1193 
1194   p_msg = (tNFA_DM_API_REG_VSC*)GKI_getbuf(sizeof(tNFA_DM_API_REG_VSC));
1195   if (p_msg != nullptr) {
1196     p_msg->hdr.event = NFA_DM_API_REG_VSC_EVT;
1197     p_msg->is_register = is_register;
1198     p_msg->p_cback = p_cback;
1199 
1200     nfa_sys_sendmsg(p_msg);
1201 
1202     return (NFA_STATUS_OK);
1203   }
1204 
1205   return (NFA_STATUS_FAILED);
1206 }
1207 
1208 /*******************************************************************************
1209 **
1210 ** Function         NFA_SendVsCommand
1211 **
1212 ** Description      This function is called to send an NCI Vendor Specific
1213 **                  command to NFCC.
1214 **
1215 **                  oid             - The opcode of the VS command.
1216 **                  cmd_params_len  - The command parameter len
1217 **                  p_cmd_params    - The command parameter
1218 **                  p_cback         - The callback function to receive the
1219 **                                    command status
1220 **
1221 ** Returns          NFA_STATUS_OK if successfully initiated
1222 **                  NFA_STATUS_FAILED otherwise
1223 **
1224 *******************************************************************************/
NFA_SendVsCommand(uint8_t oid,uint8_t cmd_params_len,uint8_t * p_cmd_params,tNFA_VSC_CBACK * p_cback)1225 tNFA_STATUS NFA_SendVsCommand(uint8_t oid, uint8_t cmd_params_len,
1226                               uint8_t* p_cmd_params, tNFA_VSC_CBACK* p_cback) {
1227   tNFA_DM_API_SEND_VSC* p_msg;
1228   uint16_t size = sizeof(tNFA_DM_API_SEND_VSC) + cmd_params_len;
1229 
1230   DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("oid=0x%x", oid);
1231 
1232   p_msg = (tNFA_DM_API_SEND_VSC*)GKI_getbuf(size);
1233   if (p_msg != nullptr) {
1234     p_msg->hdr.event = NFA_DM_API_SEND_VSC_EVT;
1235     p_msg->oid = oid;
1236     p_msg->p_cback = p_cback;
1237     if (cmd_params_len && p_cmd_params) {
1238       p_msg->cmd_params_len = cmd_params_len;
1239       p_msg->p_cmd_params = (uint8_t*)(p_msg + 1);
1240       memcpy(p_msg->p_cmd_params, p_cmd_params, cmd_params_len);
1241     } else {
1242       p_msg->cmd_params_len = 0;
1243       p_msg->p_cmd_params = nullptr;
1244     }
1245 
1246     nfa_sys_sendmsg(p_msg);
1247 
1248     return (NFA_STATUS_OK);
1249   }
1250 
1251   return (NFA_STATUS_FAILED);
1252 }
1253 
1254 /*******************************************************************************
1255 **
1256 ** Function         NFA_SendRawVsCommand
1257 **
1258 ** Description      This function is called to send raw Vendor Specific
1259 **                  command to NFCC.
1260 **
1261 **                  cmd_params_len  - The command parameter len
1262 **                  p_cmd_params    - The command parameter
1263 **                  p_cback         - The callback function to receive the
1264 **                                    command
1265 **
1266 ** Returns          NFA_STATUS_OK if successfully initiated
1267 **                  NFA_STATUS_FAILED otherwise
1268 **
1269 *******************************************************************************/
NFA_SendRawVsCommand(uint8_t cmd_params_len,uint8_t * p_cmd_params,tNFA_VSC_CBACK * p_cback)1270 tNFA_STATUS NFA_SendRawVsCommand(uint8_t cmd_params_len, uint8_t* p_cmd_params,
1271                                  tNFA_VSC_CBACK* p_cback) {
1272   if (cmd_params_len == 0x00 || p_cmd_params == nullptr || p_cback == nullptr) {
1273     return NFA_STATUS_INVALID_PARAM;
1274   }
1275   uint16_t size = sizeof(tNFA_DM_API_SEND_VSC) + cmd_params_len;
1276   tNFA_DM_API_SEND_VSC* p_msg = (tNFA_DM_API_SEND_VSC*)GKI_getbuf(size);
1277 
1278   if (p_msg != nullptr) {
1279     p_msg->hdr.event = NFA_DM_API_SEND_RAW_VS_EVT;
1280     p_msg->p_cback = p_cback;
1281     if (cmd_params_len && p_cmd_params) {
1282       p_msg->cmd_params_len = cmd_params_len;
1283       p_msg->p_cmd_params = (uint8_t*)(p_msg + 1);
1284       memcpy(p_msg->p_cmd_params, p_cmd_params, cmd_params_len);
1285     } else {
1286       p_msg->cmd_params_len = 0;
1287       p_msg->p_cmd_params = nullptr;
1288     }
1289 
1290     nfa_sys_sendmsg(p_msg);
1291 
1292     return NFA_STATUS_OK;
1293   }
1294 
1295   return NFA_STATUS_FAILED;
1296 }
1297 
1298 /*******************************************************************************
1299 **
1300 ** Function:        NFA_EnableDtamode
1301 **
1302 ** Description:     Enable DTA Mode
1303 **
1304 ** Returns:         none:
1305 **
1306 *******************************************************************************/
NFA_EnableDtamode(tNFA_eDtaModes eDtaMode)1307 void NFA_EnableDtamode(tNFA_eDtaModes eDtaMode) {
1308   DLOG_IF(INFO, nfc_debug_enabled)
1309       << StringPrintf("%s: 0x%x ", __func__, eDtaMode);
1310   appl_dta_mode_flag = 0x01;
1311   nfa_dm_cb.eDtaMode = eDtaMode;
1312 }
1313