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  *
22  *  This file contains the action functions for device manager discovery
23  *  function.
24  *
25  ******************************************************************************/
26 #include <string.h>
27 #include "nfa_sys.h"
28 #include "nfa_api.h"
29 #include "nfa_dm_int.h"
30 #include "nfa_p2p_int.h"
31 #include "nfa_sys_int.h"
32 #if (NFC_NFCEE_INCLUDED == TRUE)
33 #include "nfa_ee_api.h"
34 #include "nfa_ee_int.h"
35 #endif
36 #include "nfa_rw_int.h"
37 
38 /*
39 **  static functions
40 */
41 
42 static UINT8 nfa_dm_get_rf_discover_config (tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask,
43                                             tNFC_DISCOVER_PARAMS disc_params[],
44                                             UINT8 max_params);
45 static tNFA_STATUS nfa_dm_set_rf_listen_mode_config (tNFA_DM_DISC_TECH_PROTO_MASK tech_proto_mask);
46 static void nfa_dm_set_rf_listen_mode_raw_config (tNFA_DM_DISC_TECH_PROTO_MASK *p_disc_mask);
47 static tNFA_DM_DISC_TECH_PROTO_MASK nfa_dm_disc_get_disc_mask (tNFC_RF_TECH_N_MODE tech_n_mode,
48                                                                tNFC_PROTOCOL       protocol);
49 static void nfa_dm_notify_discovery (tNFA_DM_RF_DISC_DATA *p_data);
50 static tNFA_STATUS nfa_dm_disc_notify_activation (tNFC_DISCOVER *p_data);
51 static void nfa_dm_disc_notify_deactivation (tNFA_DM_RF_DISC_SM_EVENT sm_event, tNFC_DISCOVER *p_data);
52 static void nfa_dm_disc_data_cback (UINT8 conn_id, tNFC_CONN_EVT event, tNFC_CONN *p_data);
53 static void nfa_dm_disc_kovio_timeout_cback (TIMER_LIST_ENT *p_tle);
54 static void nfa_dm_disc_report_kovio_presence_check (tNFC_STATUS status);
55 
56 #if (BT_TRACE_VERBOSE == TRUE)
57 static char *nfa_dm_disc_state_2_str (UINT8 state);
58 static char *nfa_dm_disc_event_2_str (UINT8 event);
59 #endif
60 
61 
62 /*******************************************************************************
63 **
64 ** Function         nfa_dm_get_rf_discover_config
65 **
66 ** Description      Build RF discovery configurations from tNFA_DM_DISC_TECH_PROTO_MASK
67 **
68 ** Returns          number of RF discovery configurations
69 **
70 *******************************************************************************/
nfa_dm_get_rf_discover_config(tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask,tNFC_DISCOVER_PARAMS disc_params[],UINT8 max_params)71 static UINT8 nfa_dm_get_rf_discover_config (tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask,
72                                             tNFC_DISCOVER_PARAMS         disc_params[],
73                                             UINT8 max_params)
74 {
75     UINT8 num_params = 0;
76 
77     if (nfa_dm_cb.flags & NFA_DM_FLAGS_LISTEN_DISABLED)
78     {
79         NFA_TRACE_DEBUG1 ("nfa_dm_get_rf_discover_config () listen disabled, rm listen from 0x%x", dm_disc_mask);
80         dm_disc_mask &= NFA_DM_DISC_MASK_POLL;
81     }
82     if (nfa_dm_is_p2p_paused ())
83     {
84         dm_disc_mask &= ~NFA_DM_DISC_MASK_NFC_DEP;
85     }
86 
87     /* Check polling A */
88     if (dm_disc_mask & ( NFA_DM_DISC_MASK_PA_T1T
89                         |NFA_DM_DISC_MASK_PA_T2T
90                         |NFA_DM_DISC_MASK_PA_ISO_DEP
91                         |NFA_DM_DISC_MASK_PA_NFC_DEP
92                         |NFA_DM_DISC_MASK_P_LEGACY) )
93     {
94         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_A;
95         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pa;
96         num_params++;
97 
98         if (num_params >= max_params)
99             return num_params;
100     }
101 
102     /* Check polling B */
103     if (dm_disc_mask & NFA_DM_DISC_MASK_PB_ISO_DEP)
104     {
105         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_B;
106         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pb;
107         num_params++;
108 
109         if (num_params >= max_params)
110             return num_params;
111     }
112 
113     /* Check polling F */
114     if (dm_disc_mask & ( NFA_DM_DISC_MASK_PF_T3T
115                         |NFA_DM_DISC_MASK_PF_NFC_DEP) )
116     {
117         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_F;
118         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pf;
119         num_params++;
120 
121         if (num_params >= max_params)
122             return num_params;
123     }
124 
125     /* Check polling A Active mode  */
126     if (dm_disc_mask & NFA_DM_DISC_MASK_PAA_NFC_DEP)
127     {
128         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_A_ACTIVE;
129         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->paa;
130         num_params++;
131 
132         if (num_params >= max_params)
133             return num_params;
134     }
135 
136     /* Check polling F Active mode  */
137     if (dm_disc_mask & NFA_DM_DISC_MASK_PFA_NFC_DEP)
138     {
139         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_F_ACTIVE;
140         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pfa;
141         num_params++;
142 
143         if (num_params >= max_params)
144             return num_params;
145     }
146 
147     /* Check listening A */
148     if (dm_disc_mask & ( NFA_DM_DISC_MASK_LA_T1T
149                         |NFA_DM_DISC_MASK_LA_T2T
150                         |NFA_DM_DISC_MASK_LA_ISO_DEP
151                         |NFA_DM_DISC_MASK_LA_NFC_DEP) )
152     {
153         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_A;
154         disc_params[num_params].frequency = 1;
155         num_params++;
156 
157         if (num_params >= max_params)
158             return num_params;
159     }
160 
161     /* Check listening B */
162     if (dm_disc_mask & NFA_DM_DISC_MASK_LB_ISO_DEP)
163     {
164         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_B;
165         disc_params[num_params].frequency = 1;
166         num_params++;
167 
168         if (num_params >= max_params)
169             return num_params;
170     }
171 
172     /* Check listening F */
173     if (dm_disc_mask & ( NFA_DM_DISC_MASK_LF_T3T
174                         |NFA_DM_DISC_MASK_LF_NFC_DEP) )
175     {
176         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_F;
177         disc_params[num_params].frequency = 1;
178         num_params++;
179 
180         if (num_params >= max_params)
181             return num_params;
182     }
183 
184     /* Check listening A Active mode */
185     if (dm_disc_mask & NFA_DM_DISC_MASK_LAA_NFC_DEP)
186     {
187         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE;
188         disc_params[num_params].frequency = 1;
189         num_params++;
190 
191         if (num_params >= max_params)
192             return num_params;
193     }
194 
195     /* Check listening F Active mode */
196     if (dm_disc_mask & NFA_DM_DISC_MASK_LFA_NFC_DEP)
197     {
198         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE;
199         disc_params[num_params].frequency = 1;
200         num_params++;
201 
202         if (num_params >= max_params)
203             return num_params;
204     }
205 
206     /* Check polling ISO 15693 */
207     if (dm_disc_mask & NFA_DM_DISC_MASK_P_ISO15693)
208     {
209         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_ISO15693;
210         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pi93;
211         num_params++;
212 
213         if (num_params >= max_params)
214             return num_params;
215     }
216 
217     /* Check polling B' */
218     if (dm_disc_mask & NFA_DM_DISC_MASK_P_B_PRIME)
219     {
220         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_B_PRIME;
221         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pbp;
222         num_params++;
223 
224         if (num_params >= max_params)
225             return num_params;
226     }
227 
228     /* Check polling KOVIO */
229     if (dm_disc_mask & NFA_DM_DISC_MASK_P_KOVIO)
230     {
231         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_POLL_KOVIO;
232         disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pk;
233         num_params++;
234 
235         if (num_params >= max_params)
236             return num_params;
237     }
238 
239     /* Check listening ISO 15693 */
240     if (dm_disc_mask & NFA_DM_DISC_MASK_L_ISO15693)
241     {
242         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_ISO15693;
243         disc_params[num_params].frequency = 1;
244         num_params++;
245 
246         if (num_params >= max_params)
247             return num_params;
248     }
249 
250     /* Check listening B' */
251     if (dm_disc_mask & NFA_DM_DISC_MASK_L_B_PRIME)
252     {
253         disc_params[num_params].type      = NFC_DISCOVERY_TYPE_LISTEN_B_PRIME;
254         disc_params[num_params].frequency = 1;
255         num_params++;
256 
257         if (num_params >= max_params)
258             return num_params;
259     }
260 
261     return num_params;
262 }
263 
264 /*******************************************************************************
265 **
266 ** Function         nfa_dm_set_rf_listen_mode_config
267 **
268 ** Description      Update listening protocol to NFCC
269 **
270 ** Returns          NFA_STATUS_OK if success
271 **
272 *******************************************************************************/
nfa_dm_set_rf_listen_mode_config(tNFA_DM_DISC_TECH_PROTO_MASK tech_proto_mask)273 static tNFA_STATUS nfa_dm_set_rf_listen_mode_config (tNFA_DM_DISC_TECH_PROTO_MASK tech_proto_mask)
274 {
275     UINT8 params[40], *p;
276     UINT8 platform  = 0;
277     UINT8 sens_info = 0;
278 
279     NFA_TRACE_DEBUG1 ("nfa_dm_set_rf_listen_mode_config () tech_proto_mask = 0x%08X",
280                        tech_proto_mask);
281 
282     /*
283     ** T1T listen     LA_PROT 0x80, LA_SENS_RES byte1:0x00 byte2:0x0C
284     ** T2T listen     LA_PROT 0x00
285     ** T3T listen     No bit for T3T in LF_PROT (CE T3T set listen parameters, system code, NFCID2, etc.)
286     ** ISO-DEP listen LA_PROT 0x01, LB_PROT 0x01
287     ** NFC-DEP listen LA_PROT 0x02, LF_PROT 0x02
288     */
289 
290     if (tech_proto_mask & NFA_DM_DISC_MASK_LA_T1T)
291     {
292         platform = NCI_PARAM_PLATFORM_T1T;
293     }
294     else if (tech_proto_mask & NFA_DM_DISC_MASK_LA_T2T)
295     {
296         /* platform = 0 and sens_info = 0 */
297     }
298     else
299     {
300         if (tech_proto_mask & NFA_DM_DISC_MASK_LA_ISO_DEP)
301         {
302             sens_info |= NCI_PARAM_SEL_INFO_ISODEP;
303         }
304 
305         if (tech_proto_mask & NFA_DM_DISC_MASK_LA_NFC_DEP)
306         {
307             sens_info |= NCI_PARAM_SEL_INFO_NFCDEP;
308         }
309     }
310 
311     p = params;
312 
313     /*
314     ** for Listen A
315     **
316     ** Set ATQA 0x0C00 for T1T listen
317     ** If the ATQA values are 0x0000, then the FW will use 0x0400
318     ** which works for ISODEP, T2T and NFCDEP.
319     */
320     if (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A] == NFA_DM_DISC_HOST_ID_DH)
321     {
322         UINT8_TO_STREAM (p, NFC_PMID_LA_BIT_FRAME_SDD);
323         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_BIT_FRAME_SDD);
324         UINT8_TO_STREAM (p, 0x04);
325         UINT8_TO_STREAM (p, NFC_PMID_LA_PLATFORM_CONFIG);
326         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_PLATFORM_CONFIG);
327         UINT8_TO_STREAM (p, platform);
328         UINT8_TO_STREAM (p, NFC_PMID_LA_SEL_INFO);
329         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_SEL_INFO);
330         UINT8_TO_STREAM (p, sens_info);
331     }
332     else /* Let NFCC use UICC configuration by configuring with length = 0 */
333     {
334         UINT8_TO_STREAM (p, NFC_PMID_LA_BIT_FRAME_SDD);
335         UINT8_TO_STREAM (p, 0);
336         UINT8_TO_STREAM (p, NFC_PMID_LA_PLATFORM_CONFIG);
337         UINT8_TO_STREAM (p, 0);
338         UINT8_TO_STREAM (p, NFC_PMID_LA_SEL_INFO);
339         UINT8_TO_STREAM (p, 0);
340         UINT8_TO_STREAM (p, NFC_PMID_LA_NFCID1);
341         UINT8_TO_STREAM (p, 0);
342         UINT8_TO_STREAM (p, NFC_PMID_LA_HIST_BY);
343         UINT8_TO_STREAM (p, 0);
344     }
345 
346     /* for Listen B */
347     if (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_B] == NFA_DM_DISC_HOST_ID_DH)
348     {
349         UINT8_TO_STREAM (p, NFC_PMID_LB_SENSB_INFO);
350         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_SENSB_INFO);
351         if (tech_proto_mask & NFA_DM_DISC_MASK_LB_ISO_DEP)
352         {
353             UINT8_TO_STREAM (p, NCI_LISTEN_PROTOCOL_ISO_DEP);
354         }
355         else
356         {
357             UINT8_TO_STREAM (p,  0x00);
358         }
359     }
360     else /* Let NFCC use UICC configuration by configuring with length = 0 */
361     {
362         UINT8_TO_STREAM (p, NFC_PMID_LB_SENSB_INFO);
363         UINT8_TO_STREAM (p, 0);
364         UINT8_TO_STREAM (p, NFC_PMID_LB_NFCID0);
365         UINT8_TO_STREAM (p, 0);
366         UINT8_TO_STREAM (p, NFC_PMID_LB_APPDATA);
367         UINT8_TO_STREAM (p, 0);
368         UINT8_TO_STREAM (p, NFC_PMID_LB_ADC_FO);
369         UINT8_TO_STREAM (p, 0);
370         UINT8_TO_STREAM (p, NFC_PMID_LB_H_INFO);
371         UINT8_TO_STREAM (p, 0);
372     }
373 
374     /* for Listen F */
375     /* NFCC can support NFC-DEP and T3T listening based on NFCID routing regardless of NFC-F tech routing */
376     UINT8_TO_STREAM (p, NFC_PMID_LF_PROTOCOL);
377     UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_PROTOCOL);
378     if ((tech_proto_mask & NFA_DM_DISC_MASK_LF_NFC_DEP) &&
379         !nfa_dm_is_p2p_paused() )
380     {
381         UINT8_TO_STREAM (p, NCI_LISTEN_PROTOCOL_NFC_DEP);
382     }
383     else
384     {
385         UINT8_TO_STREAM (p, 0x00);
386     }
387 
388     if (p > params)
389     {
390         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
391     }
392 
393     return NFA_STATUS_OK;
394 }
395 
396 /*******************************************************************************
397 **
398 ** Function         nfa_dm_set_total_duration
399 **
400 ** Description      Update total duration to NFCC
401 **
402 ** Returns          void
403 **
404 *******************************************************************************/
nfa_dm_set_total_duration(void)405 static void nfa_dm_set_total_duration (void)
406 {
407     UINT8 params[10], *p;
408 
409     NFA_TRACE_DEBUG0 ("nfa_dm_set_total_duration ()");
410 
411     p = params;
412 
413     /* for total duration */
414     UINT8_TO_STREAM (p, NFC_PMID_TOTAL_DURATION);
415     UINT8_TO_STREAM (p, NCI_PARAM_LEN_TOTAL_DURATION);
416     UINT16_TO_STREAM (p, nfa_dm_cb.disc_cb.disc_duration);
417 
418     if (p > params)
419     {
420         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
421     }
422 }
423 
424 /*******************************************************************************
425 **
426 ** Function         nfa_dm_set_rf_listen_mode_raw_config
427 **
428 ** Description      Set raw listen parameters
429 **
430 ** Returns          void
431 **
432 *******************************************************************************/
nfa_dm_set_rf_listen_mode_raw_config(tNFA_DM_DISC_TECH_PROTO_MASK * p_disc_mask)433 static void nfa_dm_set_rf_listen_mode_raw_config (tNFA_DM_DISC_TECH_PROTO_MASK *p_disc_mask)
434 {
435     tNFA_DM_DISC_TECH_PROTO_MASK disc_mask = 0;
436     tNFA_LISTEN_CFG  *p_cfg = &nfa_dm_cb.disc_cb.excl_listen_config;
437     UINT8 params[250], *p, xx;
438 
439     NFA_TRACE_DEBUG0 ("nfa_dm_set_rf_listen_mode_raw_config ()");
440 
441     /*
442     ** Discovery Configuration Parameters for Listen A
443     */
444     if (  (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A] == NFA_DM_DISC_HOST_ID_DH)
445         &&(p_cfg->la_enable)  )
446     {
447         p = params;
448 
449         UINT8_TO_STREAM (p, NFC_PMID_LA_BIT_FRAME_SDD);
450         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_BIT_FRAME_SDD);
451         UINT8_TO_STREAM (p, p_cfg->la_bit_frame_sdd);
452 
453         UINT8_TO_STREAM (p, NFC_PMID_LA_PLATFORM_CONFIG);
454         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_PLATFORM_CONFIG);
455         UINT8_TO_STREAM (p, p_cfg->la_platform_config);
456 
457         UINT8_TO_STREAM (p, NFC_PMID_LA_SEL_INFO);
458         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_SEL_INFO);
459         UINT8_TO_STREAM (p, p_cfg->la_sel_info);
460 
461         if (p_cfg->la_platform_config == NCI_PARAM_PLATFORM_T1T)
462         {
463             disc_mask |= NFA_DM_DISC_MASK_LA_T1T;
464         }
465         else
466         {
467             /* If T4T or NFCDEP */
468             if (p_cfg->la_sel_info & NCI_PARAM_SEL_INFO_ISODEP)
469             {
470                 disc_mask |= NFA_DM_DISC_MASK_LA_ISO_DEP;
471             }
472 
473             if (p_cfg->la_sel_info & NCI_PARAM_SEL_INFO_NFCDEP)
474             {
475                 disc_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP;
476             }
477 
478             /* If neither, T4T nor NFCDEP, then its T2T */
479             if (disc_mask == 0)
480             {
481                 disc_mask |= NFA_DM_DISC_MASK_LA_T2T;
482             }
483         }
484 
485         UINT8_TO_STREAM (p, NFC_PMID_LA_NFCID1);
486         UINT8_TO_STREAM (p, p_cfg->la_nfcid1_len);
487         ARRAY_TO_STREAM (p, p_cfg->la_nfcid1, p_cfg->la_nfcid1_len);
488 
489         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
490     }
491 
492     /*
493     ** Discovery Configuration Parameters for Listen B
494     */
495     if (  (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_B] == NFA_DM_DISC_HOST_ID_DH)
496         &&(p_cfg->lb_enable)  )
497     {
498         p = params;
499 
500         UINT8_TO_STREAM (p, NFC_PMID_LB_SENSB_INFO);
501         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_SENSB_INFO);
502         UINT8_TO_STREAM (p, p_cfg->lb_sensb_info);
503 
504         UINT8_TO_STREAM (p, NFC_PMID_LB_NFCID0);
505         UINT8_TO_STREAM (p, p_cfg->lb_nfcid0_len);
506         ARRAY_TO_STREAM (p, p_cfg->lb_nfcid0, p_cfg->lb_nfcid0_len);
507 
508         UINT8_TO_STREAM (p, NFC_PMID_LB_APPDATA);
509         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_APPDATA);
510         ARRAY_TO_STREAM (p, p_cfg->lb_app_data, NCI_PARAM_LEN_LB_APPDATA);
511 
512         UINT8_TO_STREAM (p, NFC_PMID_LB_SFGI);
513         UINT8_TO_STREAM (p, 1);
514         UINT8_TO_STREAM (p, p_cfg->lb_adc_fo);
515 
516         UINT8_TO_STREAM (p, NFC_PMID_LB_ADC_FO);
517         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_ADC_FO);
518         UINT8_TO_STREAM (p, p_cfg->lb_adc_fo);
519 
520         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
521 
522         if (p_cfg->lb_sensb_info & NCI_LISTEN_PROTOCOL_ISO_DEP)
523         {
524             disc_mask |= NFA_DM_DISC_MASK_LB_ISO_DEP;
525         }
526     }
527 
528     /*
529     ** Discovery Configuration Parameters for Listen F
530     */
531     if (  (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_F] == NFA_DM_DISC_HOST_ID_DH)
532         &&(p_cfg->lf_enable)  )
533     {
534         p = params;
535 
536         UINT8_TO_STREAM (p, NFC_PMID_LF_CON_BITR_F);
537         UINT8_TO_STREAM (p, 1);
538         UINT8_TO_STREAM (p, p_cfg->lf_con_bitr_f);
539 
540         UINT8_TO_STREAM (p, NFC_PMID_LF_PROTOCOL);
541         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_PROTOCOL);
542         UINT8_TO_STREAM (p, p_cfg->lf_protocol_type);
543 
544         UINT8_TO_STREAM (p, NFC_PMID_LF_T3T_FLAGS2);
545         UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_T3T_FLAGS2);
546         UINT16_TO_STREAM(p, p_cfg->lf_t3t_flags);
547 
548         /* if the bit at position X is set to 0, SC/NFCID2 with index X shall be ignored */
549         for (xx = 0; xx < NFA_LF_MAX_SC_NFCID2; xx++)
550         {
551             if ((p_cfg->lf_t3t_flags & (0x0001 << xx)) != 0x0000)
552             {
553                 UINT8_TO_STREAM (p, NFC_PMID_LF_T3T_ID1 + xx);
554                 UINT8_TO_STREAM (p, NCI_SYSTEMCODE_LEN + NCI_NFCID2_LEN);
555                 ARRAY_TO_STREAM (p, p_cfg->lf_t3t_identifier[xx], NCI_SYSTEMCODE_LEN + NCI_NFCID2_LEN);
556             }
557         }
558 
559         UINT8_TO_STREAM (p,  NFC_PMID_LF_T3T_PMM);
560         UINT8_TO_STREAM (p,  NCI_PARAM_LEN_LF_T3T_PMM);
561         ARRAY_TO_STREAM (p,  p_cfg->lf_t3t_pmm, NCI_PARAM_LEN_LF_T3T_PMM);
562 
563         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
564 
565         if (p_cfg->lf_t3t_flags != NCI_LF_T3T_FLAGS2_ALL_DISABLED)
566         {
567             disc_mask |= NFA_DM_DISC_MASK_LF_T3T;
568         }
569         if (p_cfg->lf_protocol_type & NCI_LISTEN_PROTOCOL_NFC_DEP)
570         {
571             disc_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP;
572         }
573     }
574 
575     /*
576     ** Discovery Configuration Parameters for Listen ISO-DEP
577     */
578     if ((disc_mask & (NFA_DM_DISC_MASK_LA_ISO_DEP|NFA_DM_DISC_MASK_LB_ISO_DEP))
579       &&(p_cfg->li_enable))
580     {
581         p = params;
582 
583         UINT8_TO_STREAM (p, NFC_PMID_FWI);
584         UINT8_TO_STREAM (p, NCI_PARAM_LEN_FWI);
585         UINT8_TO_STREAM (p, p_cfg->li_fwi);
586 
587         if (disc_mask & NFA_DM_DISC_MASK_LA_ISO_DEP)
588         {
589             UINT8_TO_STREAM (p, NFC_PMID_LA_HIST_BY);
590             UINT8_TO_STREAM (p, p_cfg->la_hist_bytes_len);
591             ARRAY_TO_STREAM (p, p_cfg->la_hist_bytes, p_cfg->la_hist_bytes_len);
592         }
593 
594         if (disc_mask & NFA_DM_DISC_MASK_LB_ISO_DEP)
595         {
596             UINT8_TO_STREAM (p, NFC_PMID_LB_H_INFO);
597             UINT8_TO_STREAM (p, p_cfg->lb_h_info_resp_len);
598             ARRAY_TO_STREAM (p, p_cfg->lb_h_info_resp, p_cfg->lb_h_info_resp_len);
599         }
600 
601         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
602     }
603 
604     /*
605     ** Discovery Configuration Parameters for Listen NFC-DEP
606     */
607     if (  (disc_mask & (NFA_DM_DISC_MASK_LA_NFC_DEP|NFA_DM_DISC_MASK_LF_NFC_DEP))
608         &&(p_cfg->ln_enable))
609     {
610         p = params;
611 
612         UINT8_TO_STREAM (p, NFC_PMID_WT);
613         UINT8_TO_STREAM (p, NCI_PARAM_LEN_WT);
614         UINT8_TO_STREAM (p, p_cfg->ln_wt);
615 
616         UINT8_TO_STREAM (p, NFC_PMID_ATR_RES_GEN_BYTES);
617         UINT8_TO_STREAM (p, p_cfg->ln_atr_res_gen_bytes_len);
618         ARRAY_TO_STREAM (p, p_cfg->ln_atr_res_gen_bytes, p_cfg->ln_atr_res_gen_bytes_len);
619 
620         UINT8_TO_STREAM (p, NFC_PMID_ATR_RSP_CONFIG);
621         UINT8_TO_STREAM (p, 1);
622         UINT8_TO_STREAM (p, p_cfg->ln_atr_res_config);
623 
624         nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
625     }
626 
627     *p_disc_mask = disc_mask;
628 
629     NFA_TRACE_DEBUG1 ("nfa_dm_set_rf_listen_mode_raw_config () disc_mask = 0x%x", disc_mask);
630 }
631 
632 /*******************************************************************************
633 **
634 ** Function         nfa_dm_disc_get_disc_mask
635 **
636 ** Description      Convert RF technology, mode and protocol to bit mask
637 **
638 ** Returns          tNFA_DM_DISC_TECH_PROTO_MASK
639 **
640 *******************************************************************************/
nfa_dm_disc_get_disc_mask(tNFC_RF_TECH_N_MODE tech_n_mode,tNFC_PROTOCOL protocol)641 static tNFA_DM_DISC_TECH_PROTO_MASK nfa_dm_disc_get_disc_mask (tNFC_RF_TECH_N_MODE tech_n_mode,
642                                                                tNFC_PROTOCOL       protocol)
643 {
644     /* Set initial disc_mask to legacy poll or listen */
645     tNFA_DM_DISC_TECH_PROTO_MASK disc_mask = ((tech_n_mode & 0x80) ? NFA_DM_DISC_MASK_L_LEGACY : NFA_DM_DISC_MASK_P_LEGACY);
646 
647     switch (tech_n_mode)
648     {
649     case NFC_DISCOVERY_TYPE_POLL_A:
650         switch (protocol)
651         {
652         case NFC_PROTOCOL_T1T:
653             disc_mask = NFA_DM_DISC_MASK_PA_T1T;
654             break;
655         case NFC_PROTOCOL_T2T:
656             disc_mask = NFA_DM_DISC_MASK_PA_T2T;
657             break;
658         case NFC_PROTOCOL_ISO_DEP:
659             disc_mask = NFA_DM_DISC_MASK_PA_ISO_DEP;
660             break;
661         case NFC_PROTOCOL_NFC_DEP:
662             disc_mask = NFA_DM_DISC_MASK_PA_NFC_DEP;
663             break;
664         }
665         break;
666     case NFC_DISCOVERY_TYPE_POLL_B:
667         if (protocol == NFC_PROTOCOL_ISO_DEP)
668             disc_mask = NFA_DM_DISC_MASK_PB_ISO_DEP;
669         break;
670     case NFC_DISCOVERY_TYPE_POLL_F:
671         if (protocol == NFC_PROTOCOL_T3T)
672             disc_mask = NFA_DM_DISC_MASK_PF_T3T;
673         else if (protocol == NFC_PROTOCOL_NFC_DEP)
674             disc_mask = NFA_DM_DISC_MASK_PF_NFC_DEP;
675         break;
676     case NFC_DISCOVERY_TYPE_POLL_ISO15693:
677         disc_mask = NFA_DM_DISC_MASK_P_ISO15693;
678         break;
679     case NFC_DISCOVERY_TYPE_POLL_B_PRIME:
680         disc_mask = NFA_DM_DISC_MASK_P_B_PRIME;
681         break;
682     case NFC_DISCOVERY_TYPE_POLL_KOVIO:
683         disc_mask = NFA_DM_DISC_MASK_P_KOVIO;
684         break;
685     case NFC_DISCOVERY_TYPE_POLL_A_ACTIVE:
686         disc_mask = NFA_DM_DISC_MASK_PAA_NFC_DEP;
687         break;
688     case NFC_DISCOVERY_TYPE_POLL_F_ACTIVE:
689         disc_mask = NFA_DM_DISC_MASK_PFA_NFC_DEP;
690         break;
691 
692     case NFC_DISCOVERY_TYPE_LISTEN_A:
693         switch (protocol)
694         {
695         case NFC_PROTOCOL_T1T:
696             disc_mask = NFA_DM_DISC_MASK_LA_T1T;
697             break;
698         case NFC_PROTOCOL_T2T:
699             disc_mask = NFA_DM_DISC_MASK_LA_T2T;
700             break;
701         case NFC_PROTOCOL_ISO_DEP:
702             disc_mask = NFA_DM_DISC_MASK_LA_ISO_DEP;
703             break;
704         case NFC_PROTOCOL_NFC_DEP:
705             disc_mask = NFA_DM_DISC_MASK_LA_NFC_DEP;
706             break;
707         }
708         break;
709     case NFC_DISCOVERY_TYPE_LISTEN_B:
710         if (protocol == NFC_PROTOCOL_ISO_DEP)
711             disc_mask = NFA_DM_DISC_MASK_LB_ISO_DEP;
712         break;
713     case NFC_DISCOVERY_TYPE_LISTEN_F:
714         if (protocol == NFC_PROTOCOL_T3T)
715             disc_mask = NFA_DM_DISC_MASK_LF_T3T;
716         else if (protocol == NFC_PROTOCOL_NFC_DEP)
717             disc_mask = NFA_DM_DISC_MASK_LF_NFC_DEP;
718         break;
719     case NFC_DISCOVERY_TYPE_LISTEN_ISO15693:
720         disc_mask = NFA_DM_DISC_MASK_L_ISO15693;
721         break;
722     case NFC_DISCOVERY_TYPE_LISTEN_B_PRIME:
723         disc_mask = NFA_DM_DISC_MASK_L_B_PRIME;
724         break;
725     case NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE:
726         disc_mask = NFA_DM_DISC_MASK_LAA_NFC_DEP;
727         break;
728     case NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE:
729         disc_mask = NFA_DM_DISC_MASK_LFA_NFC_DEP;
730         break;
731     }
732 
733     NFA_TRACE_DEBUG3 ("nfa_dm_disc_get_disc_mask (): tech_n_mode:0x%X, protocol:0x%X, disc_mask:0x%X",
734                        tech_n_mode, protocol, disc_mask);
735     return (disc_mask);
736 }
737 
738 /*******************************************************************************
739 **
740 ** Function         nfa_dm_disc_discovery_cback
741 **
742 ** Description      Discovery callback event from NFC
743 **
744 ** Returns          void
745 **
746 *******************************************************************************/
nfa_dm_disc_discovery_cback(tNFC_DISCOVER_EVT event,tNFC_DISCOVER * p_data)747 static void nfa_dm_disc_discovery_cback (tNFC_DISCOVER_EVT event, tNFC_DISCOVER *p_data)
748 {
749     tNFA_DM_RF_DISC_SM_EVENT dm_disc_event = NFA_DM_DISC_SM_MAX_EVENT;
750 
751     NFA_TRACE_DEBUG1 ("nfa_dm_disc_discovery_cback (): event:0x%X", event);
752 
753     switch (event)
754     {
755     case NFC_START_DEVT:
756         dm_disc_event = NFA_DM_RF_DISCOVER_RSP;
757         break;
758     case NFC_RESULT_DEVT:
759         dm_disc_event = NFA_DM_RF_DISCOVER_NTF;
760         break;
761     case NFC_SELECT_DEVT:
762         dm_disc_event = NFA_DM_RF_DISCOVER_SELECT_RSP;
763         break;
764     case NFC_ACTIVATE_DEVT:
765         dm_disc_event = NFA_DM_RF_INTF_ACTIVATED_NTF;
766         break;
767     case NFC_DEACTIVATE_DEVT:
768         if (p_data->deactivate.is_ntf)
769         {
770             dm_disc_event = NFA_DM_RF_DEACTIVATE_NTF;
771             if ((p_data->deactivate.type == NFC_DEACTIVATE_TYPE_IDLE) || (p_data->deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY))
772             {
773                 NFC_SetReassemblyFlag (TRUE);
774                 nfa_dm_cb.flags &= ~NFA_DM_FLAGS_RAW_FRAME;
775             }
776         }
777         else
778             dm_disc_event = NFA_DM_RF_DEACTIVATE_RSP;
779         break;
780     default:
781         NFA_TRACE_ERROR0 ("Unexpected event");
782         return;
783     }
784 
785     nfa_dm_disc_sm_execute (dm_disc_event, (tNFA_DM_RF_DISC_DATA *) p_data);
786 }
787 
788 /*******************************************************************************
789 **
790 ** Function         nfa_dm_disc_notify_started
791 **
792 ** Description      Report NFA_EXCLUSIVE_RF_CONTROL_STARTED_EVT or
793 **                  NFA_RF_DISCOVERY_STARTED_EVT, if needed
794 **
795 ** Returns          void
796 **
797 *******************************************************************************/
nfa_dm_disc_notify_started(tNFA_STATUS status)798 static void nfa_dm_disc_notify_started (tNFA_STATUS status)
799 {
800     tNFA_CONN_EVT_DATA      evt_data;
801 
802     if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)
803     {
804         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
805 
806         evt_data.status = status;
807 
808         if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
809             nfa_dm_conn_cback_event_notify (NFA_EXCLUSIVE_RF_CONTROL_STARTED_EVT, &evt_data);
810         else
811             nfa_dm_conn_cback_event_notify (NFA_RF_DISCOVERY_STARTED_EVT, &evt_data);
812     }
813 }
814 
815 /*******************************************************************************
816 **
817 ** Function         nfa_dm_disc_conn_event_notify
818 **
819 ** Description      Notify application of CONN_CBACK event, using appropriate
820 **                  callback
821 **
822 ** Returns          nothing
823 **
824 *******************************************************************************/
nfa_dm_disc_conn_event_notify(UINT8 event,tNFA_STATUS status)825 void nfa_dm_disc_conn_event_notify (UINT8 event, tNFA_STATUS status)
826 {
827     tNFA_CONN_EVT_DATA      evt_data;
828 
829     if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)
830     {
831         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
832         evt_data.status               = status;
833 
834         if (nfa_dm_cb.flags & NFA_DM_FLAGS_EXCL_RF_ACTIVE)
835         {
836             /* Use exclusive RF mode callback */
837             if (nfa_dm_cb.p_excl_conn_cback)
838                 (*nfa_dm_cb.p_excl_conn_cback) (event, &evt_data);
839         }
840         else
841         {
842             (*nfa_dm_cb.p_conn_cback) (event, &evt_data);
843         }
844     }
845 }
846 
847 /*******************************************************************************
848 **
849 ** Function         nfa_dm_disc_force_to_idle
850 **
851 ** Description      Force NFCC to idle state while waiting for deactivation NTF
852 **
853 ** Returns          tNFC_STATUS
854 **
855 *******************************************************************************/
nfa_dm_disc_force_to_idle(void)856 static tNFC_STATUS nfa_dm_disc_force_to_idle (void)
857 {
858     tNFC_STATUS status = NFC_STATUS_SEMANTIC_ERROR;
859 
860     NFA_TRACE_DEBUG1 ("nfa_dm_disc_force_to_idle() disc_flags = 0x%x", nfa_dm_cb.disc_cb.disc_flags);
861 
862     if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF) /* do not execute more than one */
863     {
864         nfa_dm_cb.disc_cb.disc_flags &= ~(NFA_DM_DISC_FLAGS_W4_NTF);
865         nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP);
866         nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
867         status = NFC_Deactivate (NFC_DEACTIVATE_TYPE_IDLE);
868     }
869 
870     return (status);
871 }
872 
873 /*******************************************************************************
874 **
875 ** Function         nfa_dm_disc_deact_ntf_timeout_cback
876 **
877 ** Description      Timeout while waiting for deactivation NTF
878 **
879 ** Returns          void
880 **
881 *******************************************************************************/
nfa_dm_disc_deact_ntf_timeout_cback(TIMER_LIST_ENT * p_tle)882 static void nfa_dm_disc_deact_ntf_timeout_cback (TIMER_LIST_ENT *p_tle)
883 {
884     NFA_TRACE_ERROR0 ("nfa_dm_disc_deact_ntf_timeout_cback()");
885 
886     nfa_dm_disc_force_to_idle();
887 }
888 
889 /*******************************************************************************
890 **
891 ** Function         nfa_dm_send_deactivate_cmd
892 **
893 ** Description      Send deactivate command to NFCC, if needed.
894 **
895 ** Returns          NFC_STATUS_OK             - deactivate cmd is sent
896 **                  NCI_STATUS_FAILED         - no buffers
897 **                  NFC_STATUS_SEMANTIC_ERROR - this function does not attempt
898 **                                              to send deactivate cmd
899 **
900 *******************************************************************************/
nfa_dm_send_deactivate_cmd(tNFC_DEACT_TYPE deactivate_type)901 static tNFC_STATUS nfa_dm_send_deactivate_cmd (tNFC_DEACT_TYPE deactivate_type)
902 {
903     tNFC_STATUS status = NFC_STATUS_SEMANTIC_ERROR;
904     tNFA_DM_DISC_FLAGS w4_flags = nfa_dm_cb.disc_cb.disc_flags & (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
905 
906     if (!w4_flags)
907     {
908         /* if deactivate CMD was not sent to NFCC */
909         nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
910 
911         status = NFC_Deactivate (deactivate_type);
912 
913         if (!nfa_dm_cb.disc_cb.tle.in_use)
914         {
915             nfa_dm_cb.disc_cb.tle.p_cback = (TIMER_CBACK *)nfa_dm_disc_deact_ntf_timeout_cback;
916             nfa_sys_start_timer (&nfa_dm_cb.disc_cb.tle, 0, NFA_DM_DISC_TIMEOUT_W4_DEACT_NTF);
917         }
918     }
919     else
920     {
921         if (deactivate_type == NFC_DEACTIVATE_TYPE_SLEEP)
922         {
923             status = NFC_STATUS_SEMANTIC_ERROR;
924         }
925         else if (nfa_dm_cb.disc_cb.tle.in_use)
926         {
927             status = NFC_STATUS_OK;
928         }
929         else
930         {
931             status = nfa_dm_disc_force_to_idle ();
932         }
933     }
934 
935     return status;
936 }
937 
938 /*******************************************************************************
939 **
940 ** Function         nfa_dm_start_rf_discover
941 **
942 ** Description      Start RF discovery
943 **
944 ** Returns          void
945 **
946 *******************************************************************************/
nfa_dm_start_rf_discover(void)947 void nfa_dm_start_rf_discover (void)
948 {
949     tNFC_DISCOVER_PARAMS    disc_params[NFA_DM_MAX_DISC_PARAMS];
950     tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask = 0, poll_mask, listen_mask;
951     UINT8                   num_params, xx;
952 
953     NFA_TRACE_DEBUG0 ("nfa_dm_start_rf_discover ()");
954     /* Make sure that RF discovery was enabled, or some app has exclusive control */
955     if (  (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_ENABLED))
956         &&(nfa_dm_cb.disc_cb.excl_disc_entry.in_use == FALSE)  )
957     {
958         return;
959     }
960 
961     /* get listen mode routing table for technology */
962     nfa_ee_get_tech_route (NFA_EE_PWR_STATE_ON, nfa_dm_cb.disc_cb.listen_RT);
963 
964     if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
965     {
966         nfa_dm_set_rf_listen_mode_raw_config (&dm_disc_mask);
967         dm_disc_mask |= (nfa_dm_cb.disc_cb.excl_disc_entry.requested_disc_mask & NFA_DM_DISC_MASK_POLL);
968         nfa_dm_cb.disc_cb.excl_disc_entry.selected_disc_mask = dm_disc_mask;
969     }
970     else
971     {
972         /* Collect RF discovery request from sub-modules */
973         for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
974         {
975             if (nfa_dm_cb.disc_cb.entry[xx].in_use)
976             {
977                 poll_mask = (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask & NFA_DM_DISC_MASK_POLL);
978 
979                 /* clear poll mode technolgies and protocols which are already used by others */
980                 poll_mask &= ~(dm_disc_mask & NFA_DM_DISC_MASK_POLL);
981 
982                 listen_mask = 0;
983 
984                 /*
985                 ** add listen mode technolgies and protocols if host ID is matched to listen mode routing table
986                 */
987 
988                 /* NFC-A */
989                 if (nfa_dm_cb.disc_cb.entry[xx].host_id == nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A])
990                 {
991                     listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
992                                    & ( NFA_DM_DISC_MASK_LA_T1T
993                                       |NFA_DM_DISC_MASK_LA_T2T
994                                       |NFA_DM_DISC_MASK_LA_ISO_DEP
995                                       |NFA_DM_DISC_MASK_LA_NFC_DEP
996                                       |NFA_DM_DISC_MASK_LAA_NFC_DEP );
997                 }
998                 else
999                 {
1000                     /* host can listen ISO-DEP based on AID routing */
1001                     listen_mask |= (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask  & NFA_DM_DISC_MASK_LA_ISO_DEP);
1002 
1003                     /* host can listen NFC-DEP based on protocol routing */
1004                     listen_mask |= (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask  & NFA_DM_DISC_MASK_LA_NFC_DEP);
1005                     listen_mask |= (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask  & NFA_DM_DISC_MASK_LAA_NFC_DEP);
1006                 }
1007 
1008                 /* NFC-B */
1009                 /* multiple hosts can listen ISO-DEP based on AID routing */
1010                 listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
1011                                & NFA_DM_DISC_MASK_LB_ISO_DEP;
1012 
1013                 /* NFC-F */
1014                 /* NFCC can support NFC-DEP and T3T listening based on NFCID routing regardless of NFC-F tech routing */
1015                 listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
1016                                & ( NFA_DM_DISC_MASK_LF_T3T
1017                                   |NFA_DM_DISC_MASK_LF_NFC_DEP
1018                                   |NFA_DM_DISC_MASK_LFA_NFC_DEP );
1019 
1020                 /* NFC-B Prime */
1021                 if (nfa_dm_cb.disc_cb.entry[xx].host_id == nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_BP])
1022                 {
1023                     listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
1024                                    & NFA_DM_DISC_MASK_L_B_PRIME;
1025                 }
1026 
1027                 /*
1028                 ** clear listen mode technolgies and protocols which are already used by others
1029                 */
1030 
1031                 /* Check if other modules are listening T1T or T2T */
1032                 if (dm_disc_mask & (NFA_DM_DISC_MASK_LA_T1T|NFA_DM_DISC_MASK_LA_T2T))
1033                 {
1034                     listen_mask &= ~( NFA_DM_DISC_MASK_LA_T1T
1035                                      |NFA_DM_DISC_MASK_LA_T2T
1036                                      |NFA_DM_DISC_MASK_LA_ISO_DEP
1037                                      |NFA_DM_DISC_MASK_LA_NFC_DEP );
1038                 }
1039 
1040                 /* T1T/T2T has priority on NFC-A */
1041                 if (  (dm_disc_mask & (NFA_DM_DISC_MASK_LA_ISO_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP))
1042                     &&(listen_mask & (NFA_DM_DISC_MASK_LA_T1T|NFA_DM_DISC_MASK_LA_T2T)))
1043                 {
1044                     dm_disc_mask &= ~( NFA_DM_DISC_MASK_LA_ISO_DEP
1045                                       |NFA_DM_DISC_MASK_LA_NFC_DEP );
1046                 }
1047 
1048                 /* Don't remove ISO-DEP because multiple hosts can listen ISO-DEP based on AID routing */
1049 
1050                 /* Check if other modules are listening NFC-DEP */
1051                 if (dm_disc_mask & (NFA_DM_DISC_MASK_LA_NFC_DEP | NFA_DM_DISC_MASK_LAA_NFC_DEP))
1052                 {
1053                     listen_mask &= ~( NFA_DM_DISC_MASK_LA_NFC_DEP
1054                                      |NFA_DM_DISC_MASK_LAA_NFC_DEP );
1055                 }
1056 
1057                 nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask = poll_mask | listen_mask;
1058 
1059                 NFA_TRACE_DEBUG2 ("nfa_dm_cb.disc_cb.entry[%d].selected_disc_mask = 0x%x",
1060                                    xx, nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask);
1061 
1062                 dm_disc_mask |= nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask;
1063             }
1064         }
1065 
1066         /* Let P2P set GEN bytes for LLCP to NFCC */
1067         if (dm_disc_mask & NFA_DM_DISC_MASK_NFC_DEP)
1068         {
1069             nfa_p2p_set_config (dm_disc_mask);
1070         }
1071     }
1072 
1073     NFA_TRACE_DEBUG1 ("dm_disc_mask = 0x%x", dm_disc_mask);
1074 
1075     /* Get Discovery Technology parameters */
1076     num_params = nfa_dm_get_rf_discover_config (dm_disc_mask, disc_params, NFA_DM_MAX_DISC_PARAMS);
1077 
1078     if (num_params)
1079     {
1080         /*
1081         ** NFCC will abort programming personality slots if not available.
1082         ** NFCC programs the personality slots in the following order of RF technologies:
1083         **      NFC-A, NFC-B, NFC-BP, NFC-I93
1084         */
1085 
1086         /* if this is not for exclusive control */
1087         if (!nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
1088         {
1089             /* update listening protocols in each NFC technology */
1090             nfa_dm_set_rf_listen_mode_config (dm_disc_mask);
1091         }
1092 
1093         /* Set polling duty cycle */
1094         nfa_dm_set_total_duration ();
1095         nfa_dm_cb.disc_cb.dm_disc_mask = dm_disc_mask;
1096 
1097         NFC_DiscoveryStart (num_params, disc_params, nfa_dm_disc_discovery_cback);
1098         /* set flag about waiting for response in IDLE state */
1099         nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
1100 
1101         /* register callback to get interface error NTF */
1102         NFC_SetStaticRfCback (nfa_dm_disc_data_cback);
1103     }
1104     else
1105     {
1106         /* RF discovery is started but there is no valid technology or protocol to discover */
1107         nfa_dm_disc_notify_started (NFA_STATUS_OK);
1108     }
1109 
1110     /* if Kovio presence check timer is running, timeout callback will reset the activation information */
1111     if (  (nfa_dm_cb.disc_cb.activated_protocol != NFC_PROTOCOL_KOVIO)
1112         ||(!nfa_dm_cb.disc_cb.kovio_tle.in_use)  )
1113     {
1114         /* reset protocol and hanlde of activated sub-module */
1115         nfa_dm_cb.disc_cb.activated_protocol = NFA_PROTOCOL_INVALID;
1116         nfa_dm_cb.disc_cb.activated_handle   = NFA_HANDLE_INVALID;
1117     }
1118 }
1119 
1120 /*******************************************************************************
1121 **
1122 ** Function         nfa_dm_notify_discovery
1123 **
1124 ** Description      Send RF discovery notification to upper layer
1125 **
1126 ** Returns          void
1127 **
1128 *******************************************************************************/
nfa_dm_notify_discovery(tNFA_DM_RF_DISC_DATA * p_data)1129 static void nfa_dm_notify_discovery (tNFA_DM_RF_DISC_DATA *p_data)
1130 {
1131     tNFA_CONN_EVT_DATA conn_evt;
1132 
1133     /* let application select a device */
1134     conn_evt.disc_result.status = NFA_STATUS_OK;
1135     memcpy (&(conn_evt.disc_result.discovery_ntf),
1136             &(p_data->nfc_discover.result),
1137             sizeof (tNFC_RESULT_DEVT));
1138 
1139     nfa_dm_conn_cback_event_notify (NFA_DISC_RESULT_EVT, &conn_evt);
1140 }
1141 
1142 
1143 /*******************************************************************************
1144 **
1145 ** Function         nfa_dm_disc_handle_kovio_activation
1146 **
1147 ** Description      Handle Kovio activation; whether it's new or repeated activation
1148 **
1149 ** Returns          TRUE if repeated activation. No need to notify activated event to upper layer
1150 **
1151 *******************************************************************************/
nfa_dm_disc_handle_kovio_activation(tNFC_DISCOVER * p_data,tNFA_DISCOVER_CBACK * p_disc_cback)1152 BOOLEAN nfa_dm_disc_handle_kovio_activation (tNFC_DISCOVER *p_data, tNFA_DISCOVER_CBACK *p_disc_cback)
1153 {
1154     tNFC_DISCOVER disc_data;
1155 
1156     if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
1157     {
1158         /* if this is new Kovio bar code tag */
1159         if (  (nfa_dm_cb.activated_nfcid_len != p_data->activate.rf_tech_param.param.pk.uid_len)
1160             ||(memcmp (p_data->activate.rf_tech_param.param.pk.uid,
1161                        nfa_dm_cb.activated_nfcid, nfa_dm_cb.activated_nfcid_len)))
1162         {
1163             NFA_TRACE_DEBUG0 ("new Kovio tag is detected");
1164 
1165             /* notify presence check failure for previous tag, if presence check is pending */
1166             nfa_dm_disc_report_kovio_presence_check (NFA_STATUS_FAILED);
1167 
1168             /* notify deactivation of previous activation before notifying new activation */
1169             if (p_disc_cback)
1170             {
1171                 disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
1172                 (*(p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, &disc_data);
1173             }
1174 
1175             /* restart timer */
1176             nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
1177         }
1178         else
1179         {
1180             /* notify presence check ok, if presence check is pending */
1181             nfa_dm_disc_report_kovio_presence_check (NFC_STATUS_OK);
1182 
1183             /* restart timer and do not notify upper layer */
1184             nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
1185             return (TRUE);
1186         }
1187     }
1188     else
1189     {
1190         /* this is the first activation, so start timer and notify upper layer */
1191         nfa_dm_cb.disc_cb.kovio_tle.p_cback = (TIMER_CBACK *)nfa_dm_disc_kovio_timeout_cback;
1192         nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
1193     }
1194 
1195     return (FALSE);
1196 }
1197 
1198 /*******************************************************************************
1199 **
1200 ** Function         nfa_dm_disc_notify_activation
1201 **
1202 ** Description      Send RF activation notification to sub-module
1203 **
1204 ** Returns          NFA_STATUS_OK if success
1205 **
1206 *******************************************************************************/
nfa_dm_disc_notify_activation(tNFC_DISCOVER * p_data)1207 static tNFA_STATUS nfa_dm_disc_notify_activation (tNFC_DISCOVER *p_data)
1208 {
1209     UINT8   xx, host_id_in_LRT;
1210     UINT8   iso_dep_t3t__listen = NFA_DM_DISC_NUM_ENTRIES;
1211 
1212     tNFC_RF_TECH_N_MODE tech_n_mode = p_data->activate.rf_tech_param.mode;
1213     tNFC_PROTOCOL       protocol    = p_data->activate.protocol;
1214 
1215     tNFA_DM_DISC_TECH_PROTO_MASK activated_disc_mask;
1216 
1217     NFA_TRACE_DEBUG2 ("nfa_dm_disc_notify_activation (): tech_n_mode:0x%X, proto:0x%X",
1218                        tech_n_mode, protocol);
1219 
1220     if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
1221     {
1222         nfa_dm_cb.disc_cb.activated_tech_mode    = tech_n_mode;
1223         nfa_dm_cb.disc_cb.activated_rf_disc_id   = p_data->activate.rf_disc_id;
1224         nfa_dm_cb.disc_cb.activated_rf_interface = p_data->activate.intf_param.type;
1225         nfa_dm_cb.disc_cb.activated_protocol     = protocol;
1226         nfa_dm_cb.disc_cb.activated_handle       = NFA_HANDLE_INVALID;
1227 
1228         if (protocol == NFC_PROTOCOL_KOVIO)
1229         {
1230             /* check whether it's new or repeated activation */
1231             if (nfa_dm_disc_handle_kovio_activation (p_data, nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback))
1232             {
1233                 /* do not notify activation of Kovio to upper layer */
1234                 return (NFA_STATUS_OK);
1235             }
1236         }
1237 
1238         if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
1239             (*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_ACTIVATED_EVT, p_data);
1240 
1241         return (NFA_STATUS_OK);
1242     }
1243 
1244     /* if this is NFCEE direct RF interface, notify activation to whoever listening UICC */
1245     if (p_data->activate.intf_param.type == NFC_INTERFACE_EE_DIRECT_RF)
1246     {
1247         for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
1248         {
1249             if (  (nfa_dm_cb.disc_cb.entry[xx].in_use)
1250                 &&(nfa_dm_cb.disc_cb.entry[xx].host_id != NFA_DM_DISC_HOST_ID_DH))
1251             {
1252                 nfa_dm_cb.disc_cb.activated_rf_disc_id   = p_data->activate.rf_disc_id;
1253                 nfa_dm_cb.disc_cb.activated_rf_interface = p_data->activate.intf_param.type;
1254                 nfa_dm_cb.disc_cb.activated_protocol     = NFC_PROTOCOL_UNKNOWN;
1255                 nfa_dm_cb.disc_cb.activated_handle       = xx;
1256 
1257                 NFA_TRACE_DEBUG2 ("activated_rf_interface:0x%x, activated_handle: 0x%x",
1258                                    nfa_dm_cb.disc_cb.activated_rf_interface,
1259                                    nfa_dm_cb.disc_cb.activated_handle);
1260 
1261                 if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
1262                     (*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_ACTIVATED_EVT, p_data);
1263 
1264                 return (NFA_STATUS_OK);
1265             }
1266         }
1267         return (NFA_STATUS_FAILED);
1268     }
1269 
1270     /* get bit mask of technolgies/mode and protocol */
1271     activated_disc_mask = nfa_dm_disc_get_disc_mask (tech_n_mode, protocol);
1272 
1273     /* get host ID of technology from listen mode routing table */
1274     if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_A)
1275     {
1276         host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A];
1277     }
1278     else if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B)
1279     {
1280         host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_B];
1281     }
1282     else if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_F)
1283     {
1284         host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_F];
1285     }
1286     else if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B_PRIME)
1287     {
1288         host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_BP];
1289     }
1290     else    /* DH only */
1291     {
1292         host_id_in_LRT = NFA_DM_DISC_HOST_ID_DH;
1293     }
1294 
1295     if (protocol == NFC_PROTOCOL_NFC_DEP)
1296     {
1297         /* Force NFC-DEP to the host */
1298         host_id_in_LRT = NFA_DM_DISC_HOST_ID_DH;
1299     }
1300 
1301     for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
1302     {
1303         /* if any matching NFC technology and protocol */
1304         if (nfa_dm_cb.disc_cb.entry[xx].in_use)
1305         {
1306             if (nfa_dm_cb.disc_cb.entry[xx].host_id == host_id_in_LRT)
1307             {
1308                 if (nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & activated_disc_mask)
1309                     break;
1310             }
1311             else
1312             {
1313                 /* check ISO-DEP listening even if host in LRT is not matched */
1314                 if (protocol == NFC_PROTOCOL_ISO_DEP)
1315                 {
1316                     if (  (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_A)
1317                         &&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LA_ISO_DEP))
1318                     {
1319                         iso_dep_t3t__listen = xx;
1320                     }
1321                     else if (  (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B)
1322                              &&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LB_ISO_DEP))
1323                     {
1324                         iso_dep_t3t__listen = xx;
1325                     }
1326                 }
1327                 /* check T3T listening even if host in LRT is not matched */
1328                 else if (protocol == NFC_PROTOCOL_T3T)
1329                 {
1330                     if (  (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_F)
1331                         &&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LF_T3T))
1332                     {
1333                         iso_dep_t3t__listen = xx;
1334                     }
1335                 }
1336             }
1337         }
1338     }
1339 
1340     if (xx >= NFA_DM_DISC_NUM_ENTRIES)
1341     {
1342         /* if any ISO-DEP or T3T listening even if host in LRT is not matched */
1343         xx = iso_dep_t3t__listen;
1344     }
1345 
1346     if (xx < NFA_DM_DISC_NUM_ENTRIES)
1347     {
1348         nfa_dm_cb.disc_cb.activated_tech_mode    = tech_n_mode;
1349         nfa_dm_cb.disc_cb.activated_rf_disc_id   = p_data->activate.rf_disc_id;
1350         nfa_dm_cb.disc_cb.activated_rf_interface = p_data->activate.intf_param.type;
1351         nfa_dm_cb.disc_cb.activated_protocol     = protocol;
1352         nfa_dm_cb.disc_cb.activated_handle       = xx;
1353 
1354         NFA_TRACE_DEBUG2 ("activated_protocol:0x%x, activated_handle: 0x%x",
1355                            nfa_dm_cb.disc_cb.activated_protocol,
1356                            nfa_dm_cb.disc_cb.activated_handle);
1357 
1358         if (protocol == NFC_PROTOCOL_KOVIO)
1359         {
1360             /* check whether it's new or repeated activation */
1361             if (nfa_dm_disc_handle_kovio_activation (p_data, nfa_dm_cb.disc_cb.entry[xx].p_disc_cback))
1362             {
1363                 /* do not notify activation of Kovio to upper layer */
1364                 return (NFA_STATUS_OK);
1365             }
1366         }
1367 
1368         if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
1369             (*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_ACTIVATED_EVT, p_data);
1370 
1371         return (NFA_STATUS_OK);
1372     }
1373     else
1374     {
1375         nfa_dm_cb.disc_cb.activated_protocol = NFA_PROTOCOL_INVALID;
1376         nfa_dm_cb.disc_cb.activated_handle   = NFA_HANDLE_INVALID;
1377         return (NFA_STATUS_FAILED);
1378     }
1379 }
1380 
1381 /*******************************************************************************
1382 **
1383 ** Function         nfa_dm_disc_notify_deactivation
1384 **
1385 ** Description      Send deactivation notification to sub-module
1386 **
1387 ** Returns          None
1388 **
1389 *******************************************************************************/
nfa_dm_disc_notify_deactivation(tNFA_DM_RF_DISC_SM_EVENT sm_event,tNFC_DISCOVER * p_data)1390 static void nfa_dm_disc_notify_deactivation (tNFA_DM_RF_DISC_SM_EVENT sm_event,
1391                                              tNFC_DISCOVER *p_data)
1392 {
1393     tNFA_HANDLE         xx;
1394     tNFA_CONN_EVT_DATA  evt_data;
1395     tNFC_DISCOVER       disc_data;
1396 
1397     NFA_TRACE_DEBUG1 ("nfa_dm_disc_notify_deactivation (): activated_handle=%d",
1398                        nfa_dm_cb.disc_cb.activated_handle);
1399 
1400     if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING)
1401     {
1402         NFA_TRACE_DEBUG0 ("nfa_dm_disc_notify_deactivation (): for sleep wakeup");
1403         return;
1404     }
1405 
1406     if (sm_event == NFA_DM_RF_DEACTIVATE_RSP)
1407     {
1408         /*
1409         ** Activation has been aborted by upper layer in NFA_DM_RFST_W4_ALL_DISCOVERIES or NFA_DM_RFST_W4_HOST_SELECT
1410         ** Deactivation by upper layer or RF link loss in NFA_DM_RFST_LISTEN_SLEEP
1411         ** No sub-module is activated at this state.
1412         */
1413 
1414         if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_LISTEN_SLEEP)
1415         {
1416             if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
1417             {
1418                 if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
1419                 {
1420                     disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
1421                     (*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, &disc_data);
1422                 }
1423             }
1424             else
1425             {
1426                 /* let each sub-module handle deactivation */
1427                 for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
1428                 {
1429                     if (  (nfa_dm_cb.disc_cb.entry[xx].in_use)
1430                         &&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LISTEN)  )
1431                     {
1432                         disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
1433                         (*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, &disc_data);
1434                     }
1435                 }
1436             }
1437         }
1438         else if (  (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING))
1439                  ||(nfa_dm_cb.disc_cb.deact_notify_pending)  )
1440         {
1441             xx = nfa_dm_cb.disc_cb.activated_handle;
1442 
1443             /* notify event to activated module if failed while reactivation */
1444             if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
1445             {
1446                 if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
1447                 {
1448                     disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
1449                     (*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
1450                 }
1451             }
1452             else if (  (xx < NFA_DM_DISC_NUM_ENTRIES)
1453                      &&(nfa_dm_cb.disc_cb.entry[xx].in_use)
1454                      &&(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)  )
1455             {
1456                 (*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
1457             }
1458             else
1459             {
1460                 /* notify deactivation to application if there is no activated module */
1461                 evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE;
1462                 nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data);
1463             }
1464         }
1465     }
1466     else
1467     {
1468         if (nfa_dm_cb.disc_cb.activated_protocol == NFC_PROTOCOL_KOVIO)
1469         {
1470             if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
1471             {
1472                 /* restart timer and do not notify upper layer */
1473                 nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
1474                 return;
1475             }
1476             /* Otherwise, upper layer initiated deactivation. */
1477         }
1478 
1479         /* notify event to activated module */
1480         if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
1481         {
1482             if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
1483             {
1484                 disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
1485                 (*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
1486             }
1487         }
1488         else
1489         {
1490             xx = nfa_dm_cb.disc_cb.activated_handle;
1491 
1492             if ((xx < NFA_DM_DISC_NUM_ENTRIES) && (nfa_dm_cb.disc_cb.entry[xx].in_use))
1493             {
1494                 if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
1495                     (*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
1496             }
1497         }
1498     }
1499 
1500     /* clear activated information */
1501     nfa_dm_cb.disc_cb.activated_tech_mode    = 0;
1502     nfa_dm_cb.disc_cb.activated_rf_disc_id   = 0;
1503     nfa_dm_cb.disc_cb.activated_rf_interface = 0;
1504     nfa_dm_cb.disc_cb.activated_protocol     = NFA_PROTOCOL_INVALID;
1505     nfa_dm_cb.disc_cb.activated_handle       = NFA_HANDLE_INVALID;
1506     nfa_dm_cb.disc_cb.deact_notify_pending   = FALSE;
1507 }
1508 
1509 /*******************************************************************************
1510 **
1511 ** Function         nfa_dm_disc_sleep_wakeup
1512 **
1513 ** Description      Put tag to sleep, then wake it up. Can be used Perform
1514 **                  legacy presence check or to wake up tag that went to HALT
1515 **                  state
1516 **
1517 ** Returns          TRUE if operation started
1518 **
1519 *******************************************************************************/
nfa_dm_disc_sleep_wakeup(void)1520 tNFC_STATUS nfa_dm_disc_sleep_wakeup (void)
1521 {
1522     tNFC_STATUS status = NFC_STATUS_FAILED;
1523 
1524     if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_POLL_ACTIVE)
1525     {
1526         /* Deactivate to sleep mode */
1527         status = nfa_dm_send_deactivate_cmd(NFC_DEACTIVATE_TYPE_SLEEP);
1528         if (status == NFC_STATUS_OK)
1529         {
1530             /* deactivate to sleep is sent on behalf of sleep wakeup.
1531              * set the sleep wakeup information in control block */
1532             nfa_dm_cb.disc_cb.disc_flags    |= NFA_DM_DISC_FLAGS_CHECKING;
1533             nfa_dm_cb.disc_cb.deact_pending = FALSE;
1534         }
1535     }
1536 
1537     return (status);
1538 }
1539 
1540 /*******************************************************************************
1541 **
1542 ** Function         nfa_dm_is_raw_frame_session
1543 **
1544 ** Description      If NFA_SendRawFrame is called since RF activation,
1545 **                  this function returns TRUE.
1546 **
1547 ** Returns          TRUE if NFA_SendRawFrame is called
1548 **
1549 *******************************************************************************/
nfa_dm_is_raw_frame_session(void)1550 BOOLEAN nfa_dm_is_raw_frame_session (void)
1551 {
1552     return ((nfa_dm_cb.flags & NFA_DM_FLAGS_RAW_FRAME) ? TRUE : FALSE);
1553 }
1554 
1555 /*******************************************************************************
1556 **
1557 ** Function         nfa_dm_is_p2p_paused
1558 **
1559 ** Description      If NFA_PauseP2p is called sand still effective,
1560 **                  this function returns TRUE.
1561 **
1562 ** Returns          TRUE if NFA_SendRawFrame is called
1563 **
1564 *******************************************************************************/
nfa_dm_is_p2p_paused(void)1565 BOOLEAN nfa_dm_is_p2p_paused (void)
1566 {
1567     return ((nfa_dm_cb.flags & NFA_DM_FLAGS_P2P_PAUSED) ? TRUE : FALSE);
1568 }
1569 
1570 /*******************************************************************************
1571 **
1572 ** Function         nfa_dm_disc_end_sleep_wakeup
1573 **
1574 ** Description      Sleep Wakeup is complete
1575 **
1576 ** Returns          None
1577 **
1578 *******************************************************************************/
nfa_dm_disc_end_sleep_wakeup(tNFC_STATUS status)1579 static void nfa_dm_disc_end_sleep_wakeup (tNFC_STATUS status)
1580 {
1581     if (  (nfa_dm_cb.disc_cb.activated_protocol == NFC_PROTOCOL_KOVIO)
1582         &&(nfa_dm_cb.disc_cb.kovio_tle.in_use)  )
1583     {
1584         /* ignore it while doing Kovio presence check */
1585         return;
1586     }
1587 
1588     if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING)
1589     {
1590         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_CHECKING;
1591 
1592         /* notify RW module that sleep wakeup is finished */
1593         nfa_rw_handle_sleep_wakeup_rsp (status);
1594 
1595         if (nfa_dm_cb.disc_cb.deact_pending)
1596         {
1597             nfa_dm_cb.disc_cb.deact_pending = FALSE;
1598             /* Perform pending deactivate command and on response notfiy deactivation */
1599             nfa_dm_cb.disc_cb.deact_notify_pending = TRUE;
1600             nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD,
1601                                    (tNFA_DM_RF_DISC_DATA *) &nfa_dm_cb.disc_cb.pending_deact_type);
1602         }
1603     }
1604 }
1605 
1606 /*******************************************************************************
1607 **
1608 ** Function         nfa_dm_disc_kovio_timeout_cback
1609 **
1610 ** Description      Timeout for Kovio bar code tag presence check
1611 **
1612 ** Returns          void
1613 **
1614 *******************************************************************************/
nfa_dm_disc_kovio_timeout_cback(TIMER_LIST_ENT * p_tle)1615 static void nfa_dm_disc_kovio_timeout_cback (TIMER_LIST_ENT *p_tle)
1616 {
1617     tNFC_DEACTIVATE_DEVT deact;
1618 
1619     NFA_TRACE_DEBUG0 ("nfa_dm_disc_kovio_timeout_cback()");
1620 
1621     /* notify presence check failure, if presence check is pending */
1622     nfa_dm_disc_report_kovio_presence_check (NFC_STATUS_FAILED);
1623 
1624     if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_POLL_ACTIVE)
1625     {
1626         /* restart timer in case that upper layer's presence check interval is too long */
1627         nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
1628     }
1629     else
1630     {
1631         /* notify upper layer deactivated event */
1632         deact.status = NFC_STATUS_OK;
1633         deact.type   = NFC_DEACTIVATE_TYPE_DISCOVERY;
1634         deact.is_ntf = TRUE;
1635         nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, (tNFC_DISCOVER*)&deact);
1636     }
1637 }
1638 
1639 /*******************************************************************************
1640 **
1641 ** Function         nfa_dm_disc_start_kovio_presence_check
1642 **
1643 ** Description      Deactivate to discovery mode and wait for activation
1644 **
1645 ** Returns          TRUE if operation started
1646 **
1647 *******************************************************************************/
nfa_dm_disc_start_kovio_presence_check(void)1648 tNFC_STATUS nfa_dm_disc_start_kovio_presence_check (void)
1649 {
1650     tNFC_STATUS status = NFC_STATUS_FAILED;
1651 
1652     NFA_TRACE_DEBUG0 ("nfa_dm_disc_start_kovio_presence_check ()");
1653 
1654     if (  (nfa_dm_cb.disc_cb.activated_protocol == NFC_PROTOCOL_KOVIO)
1655         &&(nfa_dm_cb.disc_cb.kovio_tle.in_use)  )
1656     {
1657         if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_POLL_ACTIVE)
1658         {
1659             /* restart timer */
1660             nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
1661 
1662             /* Deactivate to discovery mode */
1663             status = nfa_dm_send_deactivate_cmd (NFC_DEACTIVATE_TYPE_DISCOVERY);
1664 
1665             if (status == NFC_STATUS_OK)
1666             {
1667                 /* deactivate to sleep is sent on behalf of sleep wakeup.
1668                  * set the sleep wakeup information in control block */
1669                 nfa_dm_cb.disc_cb.disc_flags    |= NFA_DM_DISC_FLAGS_CHECKING;
1670                 nfa_dm_cb.disc_cb.deact_pending = FALSE;
1671             }
1672         }
1673         else
1674         {
1675             /* wait for next activation */
1676             nfa_dm_cb.disc_cb.disc_flags    |= NFA_DM_DISC_FLAGS_CHECKING;
1677             nfa_dm_cb.disc_cb.deact_pending = FALSE;
1678             status = NFC_STATUS_OK;
1679         }
1680     }
1681 
1682     return (status);
1683 }
1684 
1685 /*******************************************************************************
1686 **
1687 ** Function         nfa_dm_disc_report_kovio_presence_check
1688 **
1689 ** Description      Report Kovio presence check status
1690 **
1691 ** Returns          None
1692 **
1693 *******************************************************************************/
nfa_dm_disc_report_kovio_presence_check(tNFC_STATUS status)1694 static void nfa_dm_disc_report_kovio_presence_check (tNFC_STATUS status)
1695 {
1696     NFA_TRACE_DEBUG0 ("nfa_dm_disc_report_kovio_presence_check ()");
1697 
1698     if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING)
1699     {
1700         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_CHECKING;
1701 
1702         /* notify RW module that sleep wakeup is finished */
1703         nfa_rw_handle_presence_check_rsp (status);
1704 
1705         if (nfa_dm_cb.disc_cb.deact_pending)
1706         {
1707             nfa_dm_cb.disc_cb.deact_pending = FALSE;
1708             nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD,
1709                                    (tNFA_DM_RF_DISC_DATA *) &nfa_dm_cb.disc_cb.pending_deact_type);
1710         }
1711     }
1712 }
1713 
1714 /*******************************************************************************
1715 **
1716 ** Function         nfa_dm_disc_data_cback
1717 **
1718 ** Description      Monitoring interface error through data callback
1719 **
1720 ** Returns          void
1721 **
1722 *******************************************************************************/
nfa_dm_disc_data_cback(UINT8 conn_id,tNFC_CONN_EVT event,tNFC_CONN * p_data)1723 static void nfa_dm_disc_data_cback (UINT8 conn_id, tNFC_CONN_EVT event, tNFC_CONN *p_data)
1724 {
1725     NFA_TRACE_DEBUG0 ("nfa_dm_disc_data_cback ()");
1726 
1727     /* if selection failed */
1728     if (event == NFC_ERROR_CEVT)
1729     {
1730         nfa_dm_disc_sm_execute (NFA_DM_CORE_INTF_ERROR_NTF, NULL);
1731     }
1732     else if (event == NFC_DATA_CEVT)
1733     {
1734         GKI_freebuf (p_data->data.p_data);
1735     }
1736 }
1737 
1738 /*******************************************************************************
1739 **
1740 ** Function         nfa_dm_disc_new_state
1741 **
1742 ** Description      Processing discovery events in NFA_DM_RFST_IDLE state
1743 **
1744 ** Returns          void
1745 **
1746 *******************************************************************************/
nfa_dm_disc_new_state(tNFA_DM_RF_DISC_STATE new_state)1747 void nfa_dm_disc_new_state (tNFA_DM_RF_DISC_STATE new_state)
1748 {
1749     tNFA_CONN_EVT_DATA      evt_data;
1750     tNFA_DM_RF_DISC_STATE   old_state = nfa_dm_cb.disc_cb.disc_state;
1751 
1752 #if (BT_TRACE_VERBOSE == TRUE)
1753     NFA_TRACE_DEBUG5 ("nfa_dm_disc_new_state (): old_state: %s (%d), new_state: %s (%d) disc_flags: 0x%x",
1754                        nfa_dm_disc_state_2_str (nfa_dm_cb.disc_cb.disc_state), nfa_dm_cb.disc_cb.disc_state,
1755                        nfa_dm_disc_state_2_str (new_state), new_state, nfa_dm_cb.disc_cb.disc_flags);
1756 #else
1757     NFA_TRACE_DEBUG3 ("nfa_dm_disc_new_state(): old_state: %d, new_state: %d disc_flags: 0x%x",
1758                        nfa_dm_cb.disc_cb.disc_state, new_state, nfa_dm_cb.disc_cb.disc_flags);
1759 #endif
1760 
1761     nfa_dm_cb.disc_cb.disc_state = new_state;
1762 
1763     if (  (new_state == NFA_DM_RFST_IDLE)
1764         &&(!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))  ) /* not error recovering */
1765     {
1766         if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING)
1767         {
1768             nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_STOPPING;
1769 
1770             /* if exclusive RF control is stopping */
1771             if (nfa_dm_cb.flags & NFA_DM_FLAGS_EXCL_RF_ACTIVE)
1772             {
1773                 if (old_state > NFA_DM_RFST_DISCOVERY)
1774                 {
1775                     /* notify deactivation to application */
1776                     evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE;
1777                     nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data);
1778                 }
1779 
1780                 nfa_dm_rel_excl_rf_control_and_notify ();
1781             }
1782             else
1783             {
1784                 evt_data.status = NFA_STATUS_OK;
1785                 nfa_dm_conn_cback_event_notify (NFA_RF_DISCOVERY_STOPPED_EVT, &evt_data);
1786             }
1787         }
1788         if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_DISABLING)
1789         {
1790             nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_DISABLING;
1791             nfa_sys_check_disabled ();
1792         }
1793     }
1794 }
1795 
1796 /*******************************************************************************
1797 **
1798 ** Function         nfa_dm_disc_sm_idle
1799 **
1800 ** Description      Processing discovery events in NFA_DM_RFST_IDLE state
1801 **
1802 ** Returns          void
1803 **
1804 *******************************************************************************/
nfa_dm_disc_sm_idle(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)1805 static void nfa_dm_disc_sm_idle (tNFA_DM_RF_DISC_SM_EVENT event,
1806                                  tNFA_DM_RF_DISC_DATA *p_data)
1807 {
1808     UINT8              xx;
1809 
1810     switch (event)
1811     {
1812     case NFA_DM_RF_DISCOVER_CMD:
1813         nfa_dm_start_rf_discover ();
1814         break;
1815 
1816     case NFA_DM_RF_DISCOVER_RSP:
1817         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
1818 
1819         if (p_data->nfc_discover.status == NFC_STATUS_OK)
1820         {
1821             nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
1822 
1823             /* if RF discovery was stopped while waiting for response */
1824             if (nfa_dm_cb.disc_cb.disc_flags & (NFA_DM_DISC_FLAGS_STOPPING|NFA_DM_DISC_FLAGS_DISABLING))
1825             {
1826                 /* stop discovery */
1827                 nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
1828                 NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
1829                 break;
1830             }
1831 
1832             if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
1833             {
1834                 if (nfa_dm_cb.disc_cb.excl_disc_entry.disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)
1835                 {
1836                     nfa_dm_cb.disc_cb.excl_disc_entry.disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
1837 
1838                     if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
1839                         (*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_START_EVT, (tNFC_DISCOVER*) p_data);
1840                 }
1841             }
1842             else
1843             {
1844                 /* notify event to each module which is waiting for start */
1845                 for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
1846                 {
1847                     /* if registered module is waiting for starting discovery */
1848                     if (  (nfa_dm_cb.disc_cb.entry[xx].in_use)
1849                         &&(nfa_dm_cb.disc_cb.dm_disc_mask & nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask)
1850                         &&(nfa_dm_cb.disc_cb.entry[xx].disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)  )
1851                     {
1852                         nfa_dm_cb.disc_cb.entry[xx].disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
1853 
1854                         if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
1855                             (*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_START_EVT, (tNFC_DISCOVER*) p_data);
1856                     }
1857                 }
1858 
1859             }
1860             nfa_dm_disc_notify_started (p_data->nfc_discover.status);
1861         }
1862         else
1863         {
1864             /* in rare case that the discovery states of NFCC and DH mismatch and NFCC rejects Discover Cmd
1865              * deactivate idle and then start disvocery when got deactivate rsp */
1866             nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
1867             NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
1868         }
1869         break;
1870 
1871     case NFA_DM_RF_DEACTIVATE_RSP:
1872         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
1873 
1874         /* if NFCC goes to idle successfully */
1875         if (p_data->nfc_discover.status == NFC_STATUS_OK)
1876         {
1877             /* if DH forced to go idle while waiting for deactivation NTF */
1878             if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
1879             {
1880                 nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
1881 
1882                 /* check any pending flags like NFA_DM_DISC_FLAGS_STOPPING or NFA_DM_DISC_FLAGS_DISABLING */
1883                 nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
1884                 /* check if need to restart discovery after resync discovery state with NFCC */
1885                 nfa_dm_start_rf_discover ();
1886             }
1887             /* Otherwise, deactivating when getting unexpected activation */
1888         }
1889         /* Otherwise, wait for deactivation NTF */
1890         break;
1891 
1892     case NFA_DM_RF_DEACTIVATE_NTF:
1893         /* if NFCC sent this after NFCC had rejected deactivate CMD to idle while deactivating */
1894         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
1895         {
1896             if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY)
1897             {
1898                 /* stop discovery */
1899                 nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
1900                 NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
1901             }
1902             else
1903             {
1904                 nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
1905                 /* check any pending flags like NFA_DM_DISC_FLAGS_STOPPING or NFA_DM_DISC_FLAGS_DISABLING */
1906                 nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
1907                 /* check if need to restart discovery after resync discovery state with NFCC */
1908                 nfa_dm_start_rf_discover ();
1909             }
1910         }
1911         /* Otherwise, deactivated when received unexpected activation in idle state */
1912         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
1913         break;
1914 
1915     case NFA_DM_RF_INTF_ACTIVATED_NTF:
1916         /* unexpected activation, deactivate to idle */
1917         nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
1918         NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
1919         break;
1920 
1921     case NFA_DM_LP_LISTEN_CMD:
1922         nfa_dm_disc_new_state (NFA_DM_RFST_LP_LISTEN);
1923         break;
1924 
1925     default:
1926         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_idle (): Unexpected discovery event");
1927         break;
1928     }
1929 }
1930 
1931 /*******************************************************************************
1932 **
1933 ** Function         nfa_dm_disc_sm_discovery
1934 **
1935 ** Description      Processing discovery events in NFA_DM_RFST_DISCOVERY state
1936 **
1937 ** Returns          void
1938 **
1939 *******************************************************************************/
nfa_dm_disc_sm_discovery(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)1940 static void nfa_dm_disc_sm_discovery (tNFA_DM_RF_DISC_SM_EVENT event,
1941                                       tNFA_DM_RF_DISC_DATA *p_data)
1942 {
1943     switch (event)
1944     {
1945     case NFA_DM_RF_DEACTIVATE_CMD:
1946         /* if deactivate CMD was not sent to NFCC */
1947         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
1948         {
1949             nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
1950             NFC_Deactivate (p_data->deactivate_type);
1951         }
1952         break;
1953     case NFA_DM_RF_DEACTIVATE_RSP:
1954         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
1955 
1956         /* if it's not race condition between deactivate CMD and activate NTF */
1957         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
1958         {
1959             /* do not notify deactivated to idle in RF discovery state
1960             ** because it is internal or stopping RF discovery
1961             */
1962 
1963             /* there was no activation while waiting for deactivation RSP */
1964             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
1965             nfa_dm_start_rf_discover ();
1966         }
1967         break;
1968     case NFA_DM_RF_DISCOVER_NTF:
1969         nfa_dm_disc_new_state (NFA_DM_RFST_W4_ALL_DISCOVERIES);
1970         nfa_dm_notify_discovery (p_data);
1971         break;
1972     case NFA_DM_RF_INTF_ACTIVATED_NTF:
1973         if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)
1974         {
1975             NFA_TRACE_DEBUG0 ("RF Activated while waiting for deactivation RSP");
1976             /* it's race condition. DH has to wait for deactivation NTF */
1977             nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_NTF;
1978         }
1979         else
1980         {
1981             if (p_data->nfc_discover.activate.intf_param.type == NFC_INTERFACE_EE_DIRECT_RF)
1982             {
1983                 nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_ACTIVE);
1984             }
1985             else if (p_data->nfc_discover.activate.rf_tech_param.mode & 0x80)
1986             {
1987                 /* Listen mode */
1988                 nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_ACTIVE);
1989             }
1990             else
1991             {
1992                 /* Poll mode */
1993                 nfa_dm_disc_new_state (NFA_DM_RFST_POLL_ACTIVE);
1994             }
1995 
1996             if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
1997             {
1998                 NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
1999 
2000                 /* after receiving deactivate event, restart discovery */
2001                 nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
2002                 NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2003             }
2004         }
2005         break;
2006 
2007     case NFA_DM_RF_DEACTIVATE_NTF:
2008         /* if there was race condition between deactivate CMD and activate NTF */
2009         if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF)
2010         {
2011             /* race condition is resolved */
2012             nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
2013 
2014             if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
2015             {
2016                 /* do not notify deactivated to idle in RF discovery state
2017                 ** because it is internal or stopping RF discovery
2018                 */
2019 
2020                 nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2021                 nfa_dm_start_rf_discover ();
2022             }
2023         }
2024         break;
2025     case NFA_DM_LP_LISTEN_CMD:
2026         break;
2027     case NFA_DM_CORE_INTF_ERROR_NTF:
2028         break;
2029     default:
2030         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_discovery (): Unexpected discovery event");
2031         break;
2032     }
2033 }
2034 
2035 /*******************************************************************************
2036 **
2037 ** Function         nfa_dm_disc_sm_w4_all_discoveries
2038 **
2039 ** Description      Processing discovery events in NFA_DM_RFST_W4_ALL_DISCOVERIES state
2040 **
2041 ** Returns          void
2042 **
2043 *******************************************************************************/
nfa_dm_disc_sm_w4_all_discoveries(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2044 static void nfa_dm_disc_sm_w4_all_discoveries (tNFA_DM_RF_DISC_SM_EVENT event,
2045                                                tNFA_DM_RF_DISC_DATA *p_data)
2046 {
2047     switch (event)
2048     {
2049     case NFA_DM_RF_DEACTIVATE_CMD:
2050         /* if deactivate CMD was not sent to NFCC */
2051         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
2052         {
2053             nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
2054             /* only IDLE mode is allowed */
2055             NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2056         }
2057         break;
2058     case NFA_DM_RF_DEACTIVATE_RSP:
2059         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
2060         /* notify exiting from w4 all discoverie state */
2061         nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
2062 
2063         nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2064         nfa_dm_start_rf_discover ();
2065         break;
2066     case NFA_DM_RF_DISCOVER_NTF:
2067         /* if deactivate CMD is already sent then ignore discover NTF */
2068         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
2069         {
2070             /* Notification Type = NCI_DISCOVER_NTF_LAST or NCI_DISCOVER_NTF_LAST_ABORT */
2071             if (p_data->nfc_discover.result.more != NCI_DISCOVER_NTF_MORE)
2072             {
2073                 nfa_dm_disc_new_state (NFA_DM_RFST_W4_HOST_SELECT);
2074             }
2075             nfa_dm_notify_discovery (p_data);
2076         }
2077         break;
2078     case NFA_DM_RF_INTF_ACTIVATED_NTF:
2079         /*
2080         ** This is only for ISO15693.
2081         ** FW sends activation NTF when all responses are received from tags without host selecting.
2082         */
2083         nfa_dm_disc_new_state (NFA_DM_RFST_POLL_ACTIVE);
2084 
2085         if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
2086         {
2087             NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
2088 
2089             /* after receiving deactivate event, restart discovery */
2090             NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2091         }
2092         break;
2093     default:
2094         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_w4_all_discoveries (): Unexpected discovery event");
2095         break;
2096     }
2097 }
2098 
2099 /*******************************************************************************
2100 **
2101 ** Function         nfa_dm_disc_sm_w4_host_select
2102 **
2103 ** Description      Processing discovery events in NFA_DM_RFST_W4_HOST_SELECT state
2104 **
2105 ** Returns          void
2106 **
2107 *******************************************************************************/
nfa_dm_disc_sm_w4_host_select(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2108 static void nfa_dm_disc_sm_w4_host_select (tNFA_DM_RF_DISC_SM_EVENT event,
2109                                            tNFA_DM_RF_DISC_DATA *p_data)
2110 {
2111     tNFA_CONN_EVT_DATA conn_evt;
2112     tNFA_DM_DISC_FLAGS  old_sleep_wakeup_flag = (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING);
2113     BOOLEAN             sleep_wakeup_event = FALSE;
2114     BOOLEAN             sleep_wakeup_event_processed = FALSE;
2115     tNFA_STATUS         status;
2116 
2117     switch (event)
2118     {
2119     case NFA_DM_RF_DISCOVER_SELECT_CMD:
2120         /* if not waiting to deactivate */
2121         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
2122         {
2123             NFC_DiscoverySelect (p_data->select.rf_disc_id,
2124                                  p_data->select.protocol,
2125                                  p_data->select.rf_interface);
2126         }
2127         else
2128         {
2129             nfa_dm_disc_conn_event_notify (NFA_SELECT_RESULT_EVT, NFA_STATUS_FAILED);
2130         }
2131         break;
2132 
2133     case NFA_DM_RF_DISCOVER_SELECT_RSP:
2134         sleep_wakeup_event = TRUE;
2135         /* notify application status of selection */
2136         if (p_data->nfc_discover.status == NFC_STATUS_OK)
2137         {
2138             sleep_wakeup_event_processed = TRUE;
2139             conn_evt.status = NFA_STATUS_OK;
2140             /* register callback to get interface error NTF */
2141             NFC_SetStaticRfCback (nfa_dm_disc_data_cback);
2142         }
2143         else
2144             conn_evt.status = NFA_STATUS_FAILED;
2145 
2146         if (!old_sleep_wakeup_flag)
2147         {
2148             nfa_dm_disc_conn_event_notify (NFA_SELECT_RESULT_EVT, p_data->nfc_discover.status);
2149         }
2150         break;
2151     case NFA_DM_RF_INTF_ACTIVATED_NTF:
2152         nfa_dm_disc_new_state (NFA_DM_RFST_POLL_ACTIVE);
2153         /* always call nfa_dm_disc_notify_activation to update protocol/interface information in NFA control blocks */
2154         status = nfa_dm_disc_notify_activation (&(p_data->nfc_discover));
2155         if (old_sleep_wakeup_flag)
2156         {
2157             /* Handle sleep wakeup success: notify RW module of sleep wakeup of tag; if deactivation is pending then deactivate  */
2158             nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_OK);
2159         }
2160         else if (status == NFA_STATUS_FAILED)
2161         {
2162             NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
2163 
2164             /* after receiving deactivate event, restart discovery */
2165             NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2166         }
2167         break;
2168     case NFA_DM_RF_DEACTIVATE_CMD:
2169         if (old_sleep_wakeup_flag)
2170         {
2171             nfa_dm_cb.disc_cb.deact_pending      = TRUE;
2172             nfa_dm_cb.disc_cb.pending_deact_type = p_data->deactivate_type;
2173         }
2174         /* if deactivate CMD was not sent to NFCC */
2175         else if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
2176         {
2177             nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
2178             /* only IDLE mode is allowed */
2179             NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2180         }
2181         break;
2182     case NFA_DM_RF_DEACTIVATE_RSP:
2183         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
2184         /* notify exiting from host select state */
2185         nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
2186 
2187         nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2188         nfa_dm_start_rf_discover ();
2189         break;
2190 
2191     case NFA_DM_CORE_INTF_ERROR_NTF:
2192         sleep_wakeup_event    = TRUE;
2193         if (!old_sleep_wakeup_flag)
2194         {
2195             /* target activation failed, upper layer may deactivate or select again */
2196             conn_evt.status = NFA_STATUS_FAILED;
2197             nfa_dm_conn_cback_event_notify (NFA_SELECT_RESULT_EVT, &conn_evt);
2198         }
2199         break;
2200     default:
2201         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_w4_host_select (): Unexpected discovery event");
2202         break;
2203     }
2204 
2205     if (old_sleep_wakeup_flag && sleep_wakeup_event && !sleep_wakeup_event_processed)
2206     {
2207         /* performing sleep wakeup and exception conditions happened
2208          * clear sleep wakeup information and report failure */
2209         nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_FAILED);
2210     }
2211 }
2212 
2213 /*******************************************************************************
2214 **
2215 ** Function         nfa_dm_disc_sm_poll_active
2216 **
2217 ** Description      Processing discovery events in NFA_DM_RFST_POLL_ACTIVE state
2218 **
2219 ** Returns          void
2220 **
2221 *******************************************************************************/
nfa_dm_disc_sm_poll_active(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2222 static void nfa_dm_disc_sm_poll_active (tNFA_DM_RF_DISC_SM_EVENT event,
2223                                         tNFA_DM_RF_DISC_DATA *p_data)
2224 {
2225     tNFC_STATUS status;
2226     tNFA_DM_DISC_FLAGS  old_sleep_wakeup_flag = (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING);
2227     BOOLEAN             sleep_wakeup_event = FALSE;
2228     BOOLEAN             sleep_wakeup_event_processed = FALSE;
2229     tNFC_DEACTIVATE_DEVT deact;
2230 
2231     switch (event)
2232     {
2233     case NFA_DM_RF_DEACTIVATE_CMD:
2234         if (old_sleep_wakeup_flag)
2235         {
2236             /* sleep wakeup is already enabled when deactivate cmd is requested,
2237              * keep the information in control block to issue it later */
2238             nfa_dm_cb.disc_cb.deact_pending      = TRUE;
2239             nfa_dm_cb.disc_cb.pending_deact_type = p_data->deactivate_type;
2240         }
2241         else
2242         {
2243             status = nfa_dm_send_deactivate_cmd(p_data->deactivate_type);
2244         }
2245 
2246         break;
2247     case NFA_DM_RF_DEACTIVATE_RSP:
2248         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
2249         /* register callback to get interface error NTF */
2250         NFC_SetStaticRfCback (nfa_dm_disc_data_cback);
2251 
2252         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
2253         {
2254             /* it's race condition. received deactivate NTF before receiving RSP */
2255 
2256             deact.status = NFC_STATUS_OK;
2257             deact.type   = NFC_DEACTIVATE_TYPE_IDLE;
2258             deact.is_ntf = TRUE;
2259             nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, (tNFC_DISCOVER*)&deact);
2260 
2261             /* NFCC is in IDLE state */
2262             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2263             nfa_dm_start_rf_discover ();
2264         }
2265         break;
2266     case NFA_DM_RF_DEACTIVATE_NTF:
2267         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
2268 
2269         nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
2270 
2271         if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)
2272         {
2273             /* it's race condition. received deactivate NTF before receiving RSP */
2274             /* notify deactivation after receiving deactivate RSP */
2275             NFA_TRACE_DEBUG0 ("Rx deactivate NTF while waiting for deactivate RSP");
2276             break;
2277         }
2278 
2279         sleep_wakeup_event    = TRUE;
2280 
2281         nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
2282 
2283         if (  (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP)
2284             ||(p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF)  )
2285         {
2286             nfa_dm_disc_new_state (NFA_DM_RFST_W4_HOST_SELECT);
2287             if (old_sleep_wakeup_flag)
2288             {
2289                 sleep_wakeup_event_processed  = TRUE;
2290                 /* process pending deactivate request */
2291                 if (nfa_dm_cb.disc_cb.deact_pending)
2292                 {
2293                     /* notify RW module that sleep wakeup is finished */
2294                     /* if deactivation is pending then deactivate  */
2295                     nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_OK);
2296 
2297                     /* Notify NFA RW sub-systems because NFA_DM_RF_DEACTIVATE_RSP will not call this function */
2298                     nfa_rw_proc_disc_evt (NFA_DM_RF_DISC_DEACTIVATED_EVT, NULL, TRUE);
2299                 }
2300                 else
2301                 {
2302                     /* Successfully went to sleep mode for sleep wakeup */
2303                     /* Now wake up the tag to complete the operation */
2304                     NFC_DiscoverySelect (nfa_dm_cb.disc_cb.activated_rf_disc_id,
2305                                          nfa_dm_cb.disc_cb.activated_protocol,
2306                                          nfa_dm_cb.disc_cb.activated_rf_interface);
2307                 }
2308 
2309             }
2310         }
2311         else if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_IDLE)
2312         {
2313             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2314             nfa_dm_start_rf_discover ();
2315         }
2316         else if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY)
2317         {
2318             nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
2319             if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING)
2320             {
2321                 /* stop discovery */
2322                 NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2323             }
2324         }
2325         break;
2326 
2327     case NFA_DM_CORE_INTF_ERROR_NTF:
2328         sleep_wakeup_event    = TRUE;
2329         if (  (!old_sleep_wakeup_flag)
2330             ||(!nfa_dm_cb.disc_cb.deact_pending)  )
2331         {
2332             nfa_dm_send_deactivate_cmd (NFA_DEACTIVATE_TYPE_DISCOVERY);
2333         }
2334         break;
2335 
2336     default:
2337         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_poll_active (): Unexpected discovery event");
2338         break;
2339     }
2340 
2341     if (old_sleep_wakeup_flag && sleep_wakeup_event && !sleep_wakeup_event_processed)
2342     {
2343         /* performing sleep wakeup and exception conditions happened
2344          * clear sleep wakeup information and report failure */
2345         nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_FAILED);
2346     }
2347 }
2348 
2349 /*******************************************************************************
2350 **
2351 ** Function         nfa_dm_disc_sm_listen_active
2352 **
2353 ** Description      Processing discovery events in NFA_DM_RFST_LISTEN_ACTIVE state
2354 **
2355 ** Returns          void
2356 **
2357 *******************************************************************************/
nfa_dm_disc_sm_listen_active(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2358 static void nfa_dm_disc_sm_listen_active (tNFA_DM_RF_DISC_SM_EVENT event,
2359                                           tNFA_DM_RF_DISC_DATA     *p_data)
2360 {
2361     tNFC_DEACTIVATE_DEVT deact;
2362 
2363     switch (event)
2364     {
2365     case NFA_DM_RF_DEACTIVATE_CMD:
2366         nfa_dm_send_deactivate_cmd(p_data->deactivate_type);
2367         break;
2368     case NFA_DM_RF_DEACTIVATE_RSP:
2369         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
2370         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
2371         {
2372             /* it's race condition. received deactivate NTF before receiving RSP */
2373 
2374             deact.status = NFC_STATUS_OK;
2375             deact.type   = NFC_DEACTIVATE_TYPE_IDLE;
2376             deact.is_ntf = TRUE;
2377             nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, (tNFC_DISCOVER*)&deact);
2378 
2379             /* NFCC is in IDLE state */
2380             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2381             nfa_dm_start_rf_discover ();
2382         }
2383         break;
2384     case NFA_DM_RF_DEACTIVATE_NTF:
2385         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
2386 
2387         nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
2388 
2389         if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)
2390         {
2391             /* it's race condition. received deactivate NTF before receiving RSP */
2392             /* notify deactivation after receiving deactivate RSP */
2393             NFA_TRACE_DEBUG0 ("Rx deactivate NTF while waiting for deactivate RSP");
2394         }
2395         else
2396         {
2397             nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
2398 
2399             if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_IDLE)
2400             {
2401                 nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2402                 nfa_dm_start_rf_discover ();
2403             }
2404             else if (  (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP)
2405                      ||(p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF)  )
2406             {
2407                 nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_SLEEP);
2408             }
2409             else if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY)
2410             {
2411                 /* Discovery */
2412                 nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
2413                 if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING)
2414                 {
2415                     /* stop discovery */
2416                     NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2417                 }
2418             }
2419         }
2420         break;
2421 
2422     case NFA_DM_CORE_INTF_ERROR_NTF:
2423         break;
2424     default:
2425         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_listen_active (): Unexpected discovery event");
2426         break;
2427     }
2428 }
2429 
2430 /*******************************************************************************
2431 **
2432 ** Function         nfa_dm_disc_sm_listen_sleep
2433 **
2434 ** Description      Processing discovery events in NFA_DM_RFST_LISTEN_SLEEP state
2435 **
2436 ** Returns          void
2437 **
2438 *******************************************************************************/
nfa_dm_disc_sm_listen_sleep(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2439 static void nfa_dm_disc_sm_listen_sleep (tNFA_DM_RF_DISC_SM_EVENT event,
2440                                          tNFA_DM_RF_DISC_DATA *p_data)
2441 {
2442     switch (event)
2443     {
2444     case NFA_DM_RF_DEACTIVATE_CMD:
2445         nfa_dm_send_deactivate_cmd (p_data->deactivate_type);
2446 
2447         /* if deactivate type is not discovery then NFCC will not sent deactivation NTF */
2448         if (p_data->deactivate_type != NFA_DEACTIVATE_TYPE_DISCOVERY)
2449         {
2450             nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
2451             nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
2452         }
2453         break;
2454     case NFA_DM_RF_DEACTIVATE_RSP:
2455         nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
2456         /* if deactivate type in CMD was IDLE */
2457         if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
2458         {
2459             nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
2460 
2461             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2462             nfa_dm_start_rf_discover ();
2463         }
2464         break;
2465     case NFA_DM_RF_DEACTIVATE_NTF:
2466         /* clear both W4_RSP and W4_NTF because of race condition between deactivat CMD and link loss */
2467         nfa_dm_cb.disc_cb.disc_flags &= ~(NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
2468         nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
2469 
2470         /* there is no active protocol in this state, so broadcast to all by using NFA_DM_RF_DEACTIVATE_RSP */
2471         nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
2472 
2473         if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_IDLE)
2474         {
2475             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2476             nfa_dm_start_rf_discover ();
2477         }
2478         else if (p_data->nfc_discover.deactivate.type == NFA_DEACTIVATE_TYPE_DISCOVERY)
2479         {
2480             nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
2481         }
2482         else
2483         {
2484             NFA_TRACE_ERROR0 ("Unexpected deactivation type");
2485             nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
2486             nfa_dm_start_rf_discover ();
2487         }
2488         break;
2489     case NFA_DM_RF_INTF_ACTIVATED_NTF:
2490         nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_ACTIVE);
2491         if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
2492         {
2493             NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
2494 
2495             /* after receiving deactivate event, restart discovery */
2496             NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
2497         }
2498         break;
2499     default:
2500         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_listen_sleep (): Unexpected discovery event");
2501         break;
2502     }
2503 }
2504 
2505 /*******************************************************************************
2506 **
2507 ** Function         nfa_dm_disc_sm_lp_listen
2508 **
2509 ** Description      Processing discovery events in NFA_DM_RFST_LP_LISTEN state
2510 **
2511 ** Returns          void
2512 **
2513 *******************************************************************************/
nfa_dm_disc_sm_lp_listen(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2514 static void nfa_dm_disc_sm_lp_listen (tNFA_DM_RF_DISC_SM_EVENT event,
2515                                            tNFA_DM_RF_DISC_DATA *p_data)
2516 {
2517     switch (event)
2518     {
2519     case NFA_DM_RF_INTF_ACTIVATED_NTF:
2520         nfa_dm_disc_new_state (NFA_DM_RFST_LP_ACTIVE);
2521         nfa_dm_disc_notify_activation (&(p_data->nfc_discover));
2522         if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
2523         {
2524             NFA_TRACE_DEBUG0 ("Not matched, unexpected activation");
2525         }
2526         break;
2527 
2528     default:
2529         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_lp_listen (): Unexpected discovery event");
2530         break;
2531     }
2532 }
2533 
2534 /*******************************************************************************
2535 **
2536 ** Function         nfa_dm_disc_sm_lp_active
2537 **
2538 ** Description      Processing discovery events in NFA_DM_RFST_LP_ACTIVE state
2539 **
2540 ** Returns          void
2541 **
2542 *******************************************************************************/
nfa_dm_disc_sm_lp_active(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2543 static void nfa_dm_disc_sm_lp_active (tNFA_DM_RF_DISC_SM_EVENT event,
2544                                            tNFA_DM_RF_DISC_DATA *p_data)
2545 {
2546     switch (event)
2547     {
2548     case NFA_DM_RF_DEACTIVATE_NTF:
2549         nfa_dm_disc_new_state (NFA_DM_RFST_LP_LISTEN);
2550         nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
2551         break;
2552     default:
2553         NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_lp_active (): Unexpected discovery event");
2554         break;
2555     }
2556 }
2557 
2558 /*******************************************************************************
2559 **
2560 ** Function         nfa_dm_disc_sm_execute
2561 **
2562 ** Description      Processing discovery related events
2563 **
2564 ** Returns          void
2565 **
2566 *******************************************************************************/
nfa_dm_disc_sm_execute(tNFA_DM_RF_DISC_SM_EVENT event,tNFA_DM_RF_DISC_DATA * p_data)2567 void nfa_dm_disc_sm_execute (tNFA_DM_RF_DISC_SM_EVENT event, tNFA_DM_RF_DISC_DATA *p_data)
2568 {
2569 #if (BT_TRACE_VERBOSE == TRUE)
2570     NFA_TRACE_DEBUG5 ("nfa_dm_disc_sm_execute (): state: %s (%d), event: %s(%d) disc_flags: 0x%x",
2571                        nfa_dm_disc_state_2_str (nfa_dm_cb.disc_cb.disc_state), nfa_dm_cb.disc_cb.disc_state,
2572                        nfa_dm_disc_event_2_str (event), event, nfa_dm_cb.disc_cb.disc_flags);
2573 #else
2574     NFA_TRACE_DEBUG3 ("nfa_dm_disc_sm_execute(): state: %d, event:%d disc_flags: 0x%x",
2575                        nfa_dm_cb.disc_cb.disc_state, event, nfa_dm_cb.disc_cb.disc_flags);
2576 #endif
2577 
2578     switch (nfa_dm_cb.disc_cb.disc_state)
2579     {
2580     /*  RF Discovery State - Idle */
2581     case NFA_DM_RFST_IDLE:
2582         nfa_dm_disc_sm_idle (event, p_data);
2583         break;
2584 
2585     /* RF Discovery State - Discovery */
2586     case NFA_DM_RFST_DISCOVERY:
2587         nfa_dm_disc_sm_discovery (event, p_data);
2588         break;
2589 
2590     /*RF Discovery State - Wait for all discoveries */
2591     case NFA_DM_RFST_W4_ALL_DISCOVERIES:
2592         nfa_dm_disc_sm_w4_all_discoveries (event, p_data);
2593         break;
2594 
2595     /* RF Discovery State - Wait for host selection */
2596     case NFA_DM_RFST_W4_HOST_SELECT:
2597         nfa_dm_disc_sm_w4_host_select (event, p_data);
2598         break;
2599 
2600     /* RF Discovery State - Poll mode activated */
2601     case NFA_DM_RFST_POLL_ACTIVE:
2602         nfa_dm_disc_sm_poll_active (event, p_data);
2603         break;
2604 
2605     /* RF Discovery State - listen mode activated */
2606     case NFA_DM_RFST_LISTEN_ACTIVE:
2607         nfa_dm_disc_sm_listen_active (event, p_data);
2608         break;
2609 
2610     /* RF Discovery State - listen mode sleep */
2611     case NFA_DM_RFST_LISTEN_SLEEP:
2612         nfa_dm_disc_sm_listen_sleep (event, p_data);
2613         break;
2614 
2615     /* Listening in Low Power mode    */
2616     case NFA_DM_RFST_LP_LISTEN:
2617         nfa_dm_disc_sm_lp_listen (event, p_data);
2618         break;
2619 
2620     /* Activated in Low Power mode    */
2621     case NFA_DM_RFST_LP_ACTIVE:
2622         nfa_dm_disc_sm_lp_active (event, p_data);
2623         break;
2624     }
2625 #if (BT_TRACE_VERBOSE == TRUE)
2626     NFA_TRACE_DEBUG3 ("nfa_dm_disc_sm_execute (): new state: %s (%d), disc_flags: 0x%x",
2627                        nfa_dm_disc_state_2_str (nfa_dm_cb.disc_cb.disc_state), nfa_dm_cb.disc_cb.disc_state,
2628                        nfa_dm_cb.disc_cb.disc_flags);
2629 #else
2630     NFA_TRACE_DEBUG2 ("nfa_dm_disc_sm_execute(): new state: %d,  disc_flags: 0x%x",
2631                        nfa_dm_cb.disc_cb.disc_state, nfa_dm_cb.disc_cb.disc_flags);
2632 #endif
2633 }
2634 
2635 /*******************************************************************************
2636 **
2637 ** Function         nfa_dm_add_rf_discover
2638 **
2639 ** Description      Add discovery configuration and callback function
2640 **
2641 ** Returns          valid handle if success
2642 **
2643 *******************************************************************************/
nfa_dm_add_rf_discover(tNFA_DM_DISC_TECH_PROTO_MASK disc_mask,tNFA_DM_DISC_HOST_ID host_id,tNFA_DISCOVER_CBACK * p_disc_cback)2644 tNFA_HANDLE nfa_dm_add_rf_discover (tNFA_DM_DISC_TECH_PROTO_MASK disc_mask,
2645                                     tNFA_DM_DISC_HOST_ID         host_id,
2646                                     tNFA_DISCOVER_CBACK         *p_disc_cback)
2647 {
2648     UINT8       xx;
2649 
2650     NFA_TRACE_DEBUG1 ("nfa_dm_add_rf_discover () disc_mask=0x%x", disc_mask);
2651 
2652     for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
2653     {
2654         if (!nfa_dm_cb.disc_cb.entry[xx].in_use)
2655         {
2656             nfa_dm_cb.disc_cb.entry[xx].in_use              = TRUE;
2657             nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask = disc_mask;
2658             nfa_dm_cb.disc_cb.entry[xx].host_id             = host_id;
2659             nfa_dm_cb.disc_cb.entry[xx].p_disc_cback        = p_disc_cback;
2660             nfa_dm_cb.disc_cb.entry[xx].disc_flags          = NFA_DM_DISC_FLAGS_NOTIFY;
2661             return xx;
2662         }
2663     }
2664 
2665     return NFA_HANDLE_INVALID;
2666 }
2667 
2668 /*******************************************************************************
2669 **
2670 ** Function         nfa_dm_start_excl_discovery
2671 **
2672 ** Description      Start exclusive RF discovery
2673 **
2674 ** Returns          void
2675 **
2676 *******************************************************************************/
nfa_dm_start_excl_discovery(tNFA_TECHNOLOGY_MASK poll_tech_mask,tNFA_LISTEN_CFG * p_listen_cfg,tNFA_DISCOVER_CBACK * p_disc_cback)2677 void nfa_dm_start_excl_discovery (tNFA_TECHNOLOGY_MASK poll_tech_mask,
2678                                   tNFA_LISTEN_CFG *p_listen_cfg,
2679                                   tNFA_DISCOVER_CBACK  *p_disc_cback)
2680 {
2681     tNFA_DM_DISC_TECH_PROTO_MASK poll_disc_mask = 0;
2682 
2683     NFA_TRACE_DEBUG0 ("nfa_dm_start_excl_discovery ()");
2684 
2685     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_A)
2686     {
2687         poll_disc_mask |= NFA_DM_DISC_MASK_PA_T1T;
2688         poll_disc_mask |= NFA_DM_DISC_MASK_PA_T2T;
2689         poll_disc_mask |= NFA_DM_DISC_MASK_PA_ISO_DEP;
2690         poll_disc_mask |= NFA_DM_DISC_MASK_PA_NFC_DEP;
2691         poll_disc_mask |= NFA_DM_DISC_MASK_P_LEGACY;
2692     }
2693     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE)
2694     {
2695         poll_disc_mask |= NFA_DM_DISC_MASK_PAA_NFC_DEP;
2696     }
2697     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_B)
2698     {
2699         poll_disc_mask |= NFA_DM_DISC_MASK_PB_ISO_DEP;
2700     }
2701     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_F)
2702     {
2703         poll_disc_mask |= NFA_DM_DISC_MASK_PF_T3T;
2704         poll_disc_mask |= NFA_DM_DISC_MASK_PF_NFC_DEP;
2705     }
2706     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE)
2707     {
2708         poll_disc_mask |= NFA_DM_DISC_MASK_PFA_NFC_DEP;
2709     }
2710     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_ISO15693)
2711     {
2712         poll_disc_mask |= NFA_DM_DISC_MASK_P_ISO15693;
2713     }
2714     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_B_PRIME)
2715     {
2716         poll_disc_mask |= NFA_DM_DISC_MASK_P_B_PRIME;
2717     }
2718     if (poll_tech_mask & NFA_TECHNOLOGY_MASK_KOVIO)
2719     {
2720         poll_disc_mask |= NFA_DM_DISC_MASK_P_KOVIO;
2721     }
2722 
2723     nfa_dm_cb.disc_cb.excl_disc_entry.in_use              = TRUE;
2724     nfa_dm_cb.disc_cb.excl_disc_entry.requested_disc_mask = poll_disc_mask;
2725     nfa_dm_cb.disc_cb.excl_disc_entry.host_id             = NFA_DM_DISC_HOST_ID_DH;
2726     nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback        = p_disc_cback;
2727     nfa_dm_cb.disc_cb.excl_disc_entry.disc_flags          = NFA_DM_DISC_FLAGS_NOTIFY;
2728 
2729     memcpy (&nfa_dm_cb.disc_cb.excl_listen_config, p_listen_cfg, sizeof (tNFA_LISTEN_CFG));
2730 
2731     nfa_dm_disc_sm_execute (NFA_DM_RF_DISCOVER_CMD, NULL);
2732 }
2733 
2734 /*******************************************************************************
2735 **
2736 ** Function         nfa_dm_stop_excl_discovery
2737 **
2738 ** Description      Stop exclusive RF discovery
2739 **
2740 ** Returns          void
2741 **
2742 *******************************************************************************/
nfa_dm_stop_excl_discovery(void)2743 void nfa_dm_stop_excl_discovery (void)
2744 {
2745     NFA_TRACE_DEBUG0 ("nfa_dm_stop_excl_discovery ()");
2746 
2747     nfa_dm_cb.disc_cb.excl_disc_entry.in_use       = FALSE;
2748     nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback = NULL;
2749 }
2750 
2751 /*******************************************************************************
2752 **
2753 ** Function         nfa_dm_delete_rf_discover
2754 **
2755 ** Description      Remove discovery configuration and callback function
2756 **
2757 ** Returns          void
2758 **
2759 *******************************************************************************/
nfa_dm_delete_rf_discover(tNFA_HANDLE handle)2760 void nfa_dm_delete_rf_discover (tNFA_HANDLE handle)
2761 {
2762     NFA_TRACE_DEBUG1 ("nfa_dm_delete_rf_discover () handle=0x%x", handle);
2763 
2764     if (handle < NFA_DM_DISC_NUM_ENTRIES)
2765     {
2766         nfa_dm_cb.disc_cb.entry[handle].in_use = FALSE;
2767     }
2768     else
2769     {
2770         NFA_TRACE_ERROR0 ("Invalid discovery handle");
2771     }
2772 }
2773 
2774 /*******************************************************************************
2775 **
2776 ** Function         nfa_dm_rf_discover_select
2777 **
2778 ** Description      Select target, protocol and RF interface
2779 **
2780 ** Returns          void
2781 **
2782 *******************************************************************************/
nfa_dm_rf_discover_select(UINT8 rf_disc_id,tNFA_NFC_PROTOCOL protocol,tNFA_INTF_TYPE rf_interface)2783 void nfa_dm_rf_discover_select (UINT8             rf_disc_id,
2784                                        tNFA_NFC_PROTOCOL protocol,
2785                                        tNFA_INTF_TYPE    rf_interface)
2786 {
2787     tNFA_DM_DISC_SELECT_PARAMS select_params;
2788     tNFA_CONN_EVT_DATA conn_evt;
2789 
2790     NFA_TRACE_DEBUG3 ("nfa_dm_disc_select () rf_disc_id:0x%X, protocol:0x%X, rf_interface:0x%X",
2791                        rf_disc_id, protocol, rf_interface);
2792 
2793     if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_W4_HOST_SELECT)
2794     {
2795         /* state is OK: notify the status when the response is received from NFCC */
2796         select_params.rf_disc_id   = rf_disc_id;
2797         select_params.protocol     = protocol;
2798         select_params.rf_interface = rf_interface;
2799 
2800         nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_NOTIFY;
2801         nfa_dm_disc_sm_execute (NFA_DM_RF_DISCOVER_SELECT_CMD, (tNFA_DM_RF_DISC_DATA *) &select_params);
2802     }
2803     else
2804     {
2805         /* Wrong state: notify failed status right away */
2806         conn_evt.status = NFA_STATUS_FAILED;
2807         nfa_dm_conn_cback_event_notify (NFA_SELECT_RESULT_EVT, &conn_evt);
2808     }
2809 }
2810 
2811 /*******************************************************************************
2812 **
2813 ** Function         nfa_dm_rf_deactivate
2814 **
2815 ** Description      Deactivate NFC link
2816 **
2817 ** Returns          NFA_STATUS_OK if success
2818 **
2819 *******************************************************************************/
nfa_dm_rf_deactivate(tNFA_DEACTIVATE_TYPE deactivate_type)2820 tNFA_STATUS nfa_dm_rf_deactivate (tNFA_DEACTIVATE_TYPE deactivate_type)
2821 {
2822     NFA_TRACE_DEBUG1 ("nfa_dm_rf_deactivate () deactivate_type:0x%X", deactivate_type);
2823 
2824     if (deactivate_type == NFA_DEACTIVATE_TYPE_SLEEP)
2825     {
2826         if (nfa_dm_cb.disc_cb.activated_protocol == NFA_PROTOCOL_NFC_DEP)
2827             deactivate_type = NFC_DEACTIVATE_TYPE_SLEEP_AF;
2828         else
2829             deactivate_type = NFC_DEACTIVATE_TYPE_SLEEP;
2830     }
2831 
2832     if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_IDLE)
2833     {
2834         return NFA_STATUS_FAILED;
2835     }
2836     else if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_DISCOVERY)
2837     {
2838         if (deactivate_type == NFA_DEACTIVATE_TYPE_DISCOVERY)
2839         {
2840             if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
2841             {
2842                 nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.kovio_tle);
2843                 nfa_dm_disc_kovio_timeout_cback (&nfa_dm_cb.disc_cb.kovio_tle);
2844                 return NFA_STATUS_OK;
2845             }
2846             else
2847             {
2848                 /* it could be race condition. */
2849                 NFA_TRACE_DEBUG0 ("nfa_dm_rf_deactivate (): already in discovery state");
2850                 return NFA_STATUS_FAILED;
2851             }
2852         }
2853         else if (deactivate_type == NFA_DEACTIVATE_TYPE_IDLE)
2854         {
2855             if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
2856             {
2857                 nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.kovio_tle);
2858                 nfa_dm_disc_kovio_timeout_cback (&nfa_dm_cb.disc_cb.kovio_tle);
2859             }
2860             nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD, (tNFA_DM_RF_DISC_DATA *) &deactivate_type);
2861             return NFA_STATUS_OK;
2862         }
2863         else
2864         {
2865             return NFA_STATUS_FAILED;
2866         }
2867     }
2868     else
2869     {
2870         nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD, (tNFA_DM_RF_DISC_DATA *) &deactivate_type);
2871         return NFA_STATUS_OK;
2872     }
2873 }
2874 
2875 #if (BT_TRACE_VERBOSE == TRUE)
2876 /*******************************************************************************
2877 **
2878 ** Function         nfa_dm_disc_state_2_str
2879 **
2880 ** Description      convert nfc discovery state to string
2881 **
2882 *******************************************************************************/
nfa_dm_disc_state_2_str(UINT8 state)2883 static char *nfa_dm_disc_state_2_str (UINT8 state)
2884 {
2885     switch (state)
2886     {
2887     case NFA_DM_RFST_IDLE:
2888         return "IDLE";
2889 
2890     case NFA_DM_RFST_DISCOVERY:
2891         return "DISCOVERY";
2892 
2893     case NFA_DM_RFST_W4_ALL_DISCOVERIES:
2894         return "W4_ALL_DISCOVERIES";
2895 
2896     case NFA_DM_RFST_W4_HOST_SELECT:
2897         return "W4_HOST_SELECT";
2898 
2899     case NFA_DM_RFST_POLL_ACTIVE:
2900         return "POLL_ACTIVE";
2901 
2902     case NFA_DM_RFST_LISTEN_ACTIVE:
2903         return "LISTEN_ACTIVE";
2904 
2905     case NFA_DM_RFST_LISTEN_SLEEP:
2906         return "LISTEN_SLEEP";
2907 
2908     case NFA_DM_RFST_LP_LISTEN:
2909         return "LP_LISTEN";
2910 
2911     case NFA_DM_RFST_LP_ACTIVE:
2912         return "LP_ACTIVE";
2913     }
2914     return "Unknown";
2915 }
2916 
2917 /*******************************************************************************
2918 **
2919 ** Function         nfa_dm_disc_event_2_str
2920 **
2921 ** Description      convert nfc discovery RSP/NTF to string
2922 **
2923 *******************************************************************************/
nfa_dm_disc_event_2_str(UINT8 event)2924 static char *nfa_dm_disc_event_2_str (UINT8 event)
2925 {
2926     switch (event)
2927     {
2928     case NFA_DM_RF_DISCOVER_CMD:
2929         return "DISCOVER_CMD";
2930 
2931     case NFA_DM_RF_DISCOVER_RSP:
2932         return "DISCOVER_RSP";
2933 
2934     case NFA_DM_RF_DISCOVER_NTF:
2935         return "DISCOVER_NTF";
2936 
2937     case NFA_DM_RF_DISCOVER_SELECT_CMD:
2938         return "SELECT_CMD";
2939 
2940     case NFA_DM_RF_DISCOVER_SELECT_RSP:
2941         return "SELECT_RSP";
2942 
2943     case NFA_DM_RF_INTF_ACTIVATED_NTF:
2944         return "ACTIVATED_NTF";
2945 
2946     case NFA_DM_RF_DEACTIVATE_CMD:
2947         return "DEACTIVATE_CMD";
2948 
2949     case NFA_DM_RF_DEACTIVATE_RSP:
2950         return "DEACTIVATE_RSP";
2951 
2952     case NFA_DM_RF_DEACTIVATE_NTF:
2953         return "DEACTIVATE_NTF";
2954 
2955     case NFA_DM_LP_LISTEN_CMD:
2956         return "NFA_DM_LP_LISTEN_CMD";
2957 
2958     case NFA_DM_CORE_INTF_ERROR_NTF:
2959         return "INTF_ERROR_NTF";
2960 
2961     }
2962     return "Unknown";
2963 }
2964 #endif /* BT_TRACE_VERBOSE */
2965