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1 /******************************************************************************
2  *
3  *  Copyright (C) 2005-2012 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 /******************************************************************************
20  *
21  *  This file contains the HID host action functions.
22  *
23  ******************************************************************************/
24 
25 #include "bt_target.h"
26 
27 #if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE)
28 
29 #include <string.h>
30 
31 #include "bta_sys.h"
32 #include "btm_api.h"
33 #include "l2c_api.h"
34 #include "bta_hh_int.h"
35 #include "bta_hh_co.h"
36 
37 /*****************************************************************************
38 **  Constants
39 *****************************************************************************/
40 
41 
42 /*****************************************************************************
43 **  Local Function prototypes
44 *****************************************************************************/
45 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
46                             UINT32 data, BT_HDR *pdata);
47 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result);
48 
49 #if BTA_HH_DEBUG
50 static char* bta_hh_get_w4_event(UINT16 event);
51 static char * bta_hh_hid_event_name(UINT16 event);
52 #endif
53 
54 /*****************************************************************************
55 **  Action Functions
56 *****************************************************************************/
57 /*******************************************************************************
58 **
59 ** Function         bta_hh_api_enable
60 **
61 ** Description      Perform necessary operations to enable HID host.
62 **
63 **
64 ** Returns          void
65 **
66 *******************************************************************************/
bta_hh_api_enable(tBTA_HH_DATA * p_data)67 void bta_hh_api_enable(tBTA_HH_DATA *p_data)
68 {
69     tBTA_HH_STATUS      status = BTA_HH_ERR;
70     UINT8               xx;
71 
72     /* initialize BTE HID */
73     HID_HostInit();
74 
75     memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB));
76 
77     HID_HostSetSecurityLevel("", p_data->api_enable.sec_mask);
78 
79     /* Register with L2CAP */
80     if ( HID_HostRegister (bta_hh_cback) == HID_SUCCESS)
81     {
82         /* store parameters */
83         bta_hh_cb.p_cback = p_data->api_enable.p_cback;
84 
85         status = BTA_HH_OK;
86         /* initialize device CB */
87         for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
88         {
89             bta_hh_cb.kdev[xx].state        = BTA_HH_IDLE_ST;
90             bta_hh_cb.kdev[xx].hid_handle   = BTA_HH_INVALID_HANDLE;
91             bta_hh_cb.kdev[xx].index        = xx;
92         }
93 
94         /* initialize control block map */
95         for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++)
96             bta_hh_cb.cb_index[xx]          = BTA_HH_IDX_INVALID;
97     }
98 
99 #if (BTA_HH_LE_INCLUDED == TRUE)
100     if (status == BTA_HH_OK)
101     {
102         bta_hh_le_enable();
103     }
104     else
105 #endif
106         /* signal BTA call back event */
107         (* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status);
108 }
109 /*******************************************************************************
110 **
111 ** Function         bta_hh_api_disable
112 **
113 ** Description      Perform necessary operations to disable HID host.
114 **
115 **
116 ** Returns          void
117 **
118 *******************************************************************************/
bta_hh_api_disable(void)119 void bta_hh_api_disable(void)
120 {
121     UINT8 xx;
122 
123     /* service is not enabled */
124     if (bta_hh_cb.p_cback == NULL)
125         return;
126 
127     /* no live connection, signal DISC_CMPL_EVT directly */
128     if (!bta_hh_cb.cnt_num)
129     {
130         bta_hh_disc_cmpl();
131     }
132     else /* otherwise, disconnect all live connections */
133     {
134         bta_hh_cb.w4_disable = TRUE;
135 
136         for(xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
137         {
138             /* send API_CLOSE event to every connected device */
139             if ( bta_hh_cb.kdev[xx].state == BTA_HH_CONN_ST )
140             {
141                 /* disconnect all connected devices */
142                 bta_hh_sm_execute(&bta_hh_cb.kdev[xx],
143                                 BTA_HH_API_CLOSE_EVT,
144                                 NULL);
145             }
146         }
147     }
148 
149     return;
150 }
151 
152 /*******************************************************************************
153 **
154 ** Function         bta_hh_disc_cmpl
155 **
156 ** Description      All connections have been closed, disable service.
157 **
158 **
159 ** Returns          void
160 **
161 *******************************************************************************/
bta_hh_disc_cmpl(void)162 void bta_hh_disc_cmpl(void)
163 {
164     tBTA_HH_STATUS  status = BTA_HH_OK;
165 
166     /* Deregister with lower layer */
167     if (HID_HostDeregister()!= HID_SUCCESS)
168         status = BTA_HH_ERR;
169 
170 #if (BTA_HH_LE_INCLUDED == TRUE)
171     bta_hh_le_deregister();
172     return;
173 #endif
174 
175     bta_hh_cleanup_disable(status);
176 }
177 
178 /*******************************************************************************
179 **
180 ** Function         bta_hh_sdp_cback
181 **
182 ** Description      SDP callback function.
183 **
184 ** Returns          void
185 **
186 *******************************************************************************/
bta_hh_sdp_cback(UINT16 result,UINT16 attr_mask,tHID_DEV_SDP_INFO * sdp_rec)187 static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask,
188                                   tHID_DEV_SDP_INFO *sdp_rec )
189 {
190     tBTA_HH_DEV_CB     *p_cb = bta_hh_cb.p_cur;
191     UINT8              hdl;
192     tBTA_HH_STATUS    status = BTA_HH_ERR_SDP;
193 
194     /* make sure sdp succeeded and hh has not been disabled */
195     if ((result == SDP_SUCCESS) && (p_cb != NULL))
196     {
197         /* security is required for the connection, add attr_mask bit*/
198         if (p_cb->sec_mask)
199             attr_mask |= HID_SEC_REQUIRED;
200 
201 #if BTA_HH_DEBUG
202         APPL_TRACE_EVENT4("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \
203                             attr_mask 0x%02x, handle %x", \
204                             p_cb, result, attr_mask,p_cb->hid_handle);
205 #endif
206 
207         /* check to see type of device is supported , and should not been added before */
208         if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class))
209         {
210             /* if not added before */
211             if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
212             {
213                 /*  add device/update attr_mask information */
214                 if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS)
215                 {
216                     status = BTA_HH_OK;
217                     /* update cb_index[] map */
218                     bta_hh_cb.cb_index[hdl] = p_cb->index;
219                 }
220                 else
221                 {
222                     p_cb->app_id = 0;
223                 }
224             }
225             /* else : incoming connection after SDP should update the SDP information as well */
226 
227             if (p_cb->app_id != 0)
228             {
229                 /* update cb information with attr_mask, dscp_info etc. */
230                 bta_hh_add_device_to_list(p_cb,  hdl, attr_mask,
231                                             &sdp_rec->dscp_info,
232                                             sdp_rec->sub_class,
233                                             sdp_rec->ssr_max_latency,
234                                             sdp_rec->ssr_min_tout,
235                                             p_cb->app_id);
236 
237                 p_cb->dscp_info.ctry_code = sdp_rec->ctry_code;
238 
239                 status = BTA_HH_OK;
240             }
241 
242         }
243         else /* type of device is not supported */
244             status = BTA_HH_ERR_TOD_UNSPT;
245     }
246 
247     /* free disc_db when SDP is completed */
248     utl_freebuf((void **)&bta_hh_cb.p_disc_db);
249 
250     /* send SDP_CMPL_EVT into state machine */
251     bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
252 
253     return;
254 }
255 /*******************************************************************************
256 **
257 ** Function         bta_hh_di_sdp_cback
258 **
259 ** Description      SDP DI callback function.
260 **
261 ** Returns          void
262 **
263 *******************************************************************************/
bta_hh_di_sdp_cback(UINT16 result)264 static void bta_hh_di_sdp_cback(UINT16 result)
265 {
266     tBTA_HH_DEV_CB     *p_cb = bta_hh_cb.p_cur;
267     tBTA_HH_STATUS         status = BTA_HH_ERR_SDP;
268     tSDP_DI_GET_RECORD  di_rec;
269     tHID_STATUS ret;
270 #if BTA_HH_DEBUG
271     APPL_TRACE_EVENT2("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result);
272 #endif
273 
274     /* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be
275          * set to 0xffff and we will allow the connection to go through. Spec mandates that DI
276          * record be set, but many HID devices do not set this. So for IOP purposes, we allow the
277          * connection to go through and update the DI record to invalid DI entry.*/
278     if (((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) && (p_cb != NULL))
279     {
280         if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0)
281         {
282             /* always update information with primary DI record */
283             if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS)
284             {
285                 bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version, 0);
286             }
287 
288         }
289         else /* no DI recrod available */
290         {
291             bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0, 0);
292         }
293 
294         if ((ret = HID_HostGetSDPRecord(p_cb->addr,
295                                  bta_hh_cb.p_disc_db,
296                                  p_bta_hh_cfg->sdp_db_size,
297                                  bta_hh_sdp_cback)) == HID_SUCCESS)
298         {
299             status = BTA_HH_OK;
300         }
301         else
302         {
303 #if BTA_HH_DEBUG
304             APPL_TRACE_DEBUG1 ("bta_hh_di_sdp_cback:  HID_HostGetSDPRecord failed: Status 0x%2x",
305                                ret);
306 #endif
307         }
308     }
309 
310 
311     if (status != BTA_HH_OK)
312     {
313         utl_freebuf((void **)&bta_hh_cb.p_disc_db);
314         /* send SDP_CMPL_EVT into state machine */
315         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
316     }
317     return;
318 
319 }
320 
321 
322 /*******************************************************************************
323 **
324 ** Function         bta_hh_start_sdp
325 **
326 ** Description      Start SDP service search, and obtain necessary SDP records.
327 **                  Only one SDP service search request is allowed at the same
328 **                  time. For every BTA_HhOpen API call, do SDP first unless SDP
329 **                  has been done previously.
330 **
331 ** Returns          void
332 **
333 *******************************************************************************/
bta_hh_start_sdp(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)334 void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
335 {
336     tBTA_HH_STATUS          status = BTA_HH_ERR_SDP;
337     UINT8                   hdl;
338 
339     p_cb->sec_mask  = p_data->api_conn.sec_mask;
340     p_cb->mode      = p_data->api_conn.mode;
341     bta_hh_cb.p_cur = p_cb;
342 
343 #if (BTA_HH_LE_INCLUDED == TRUE)
344     if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
345     {
346         bta_hh_le_open_conn(p_cb, p_data->api_conn.bd_addr);
347         return;
348     }
349 #endif
350 
351     /* if previously virtually cabled device, skip SDP */
352     if (p_cb->app_id)
353     {
354         status = BTA_HH_OK;
355 #if BTA_HH_DEBUG
356         APPL_TRACE_DEBUG0("bta_hh_start_sdp:: skip SDP for known devices");
357 #endif
358         if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
359         {
360             if (HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl) \
361                 == HID_SUCCESS)
362             {
363                 /* update device CB with newly register device handle */
364                 bta_hh_add_device_to_list(p_cb,  hdl, p_cb->attr_mask, NULL,
365                                           p_cb->sub_class,
366                                           p_cb->dscp_info.ssr_max_latency,
367                                           p_cb->dscp_info.ssr_min_tout,
368                                           p_cb->app_id);
369                 /* update cb_index[] map */
370                 bta_hh_cb.cb_index[hdl] = p_cb->index;
371             }
372             else
373                 status = BTA_HH_ERR_NO_RES;
374         }
375         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
376 
377         return;
378     }
379     /* GetSDPRecord. at one time only one SDP precedure can be active */
380     else if (!bta_hh_cb.p_disc_db)
381     {
382         bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(p_bta_hh_cfg->sdp_db_size);
383 
384         if (bta_hh_cb.p_disc_db == NULL)
385         {
386             status = BTA_HH_ERR_NO_RES;
387         }
388         else
389         {
390             bta_hh_cb.p_cur = p_cb;
391             /* do DI discovery first */
392             if (SDP_DiDiscover(p_data->api_conn.bd_addr,
393                                          bta_hh_cb.p_disc_db,
394                                          p_bta_hh_cfg->sdp_db_size,
395                                          bta_hh_di_sdp_cback) != SDP_SUCCESS)
396             {
397 #if BTA_HH_DEBUG
398                 APPL_TRACE_DEBUG1 ("bta_hh_start_sdp:  SDP_DiDiscover failed: \
399                     Status 0x%2X",status);
400 #endif
401                 status = BTA_HH_ERR_SDP;
402                 utl_freebuf((void **)&bta_hh_cb.p_disc_db);
403             }
404             else
405                 status = BTA_HH_OK;
406         }
407     }
408 
409     if (status != BTA_HH_OK)
410         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
411 
412     return;
413 
414 }
415 /*******************************************************************************
416 **
417 ** Function         bta_hh_sdp_cmpl
418 **
419 ** Description      When SDP completed, initiate a connection or report error depend
420 **                  on SDP result.
421 **
422 **
423 ** Returns          void
424 **
425 *******************************************************************************/
bta_hh_sdp_cmpl(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)426 void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
427 {
428     tBTA_HH_CONN            conn_dat;
429     tBTA_HH_STATUS          status = p_data->status;
430 
431 #if BTA_HH_DEBUG
432     APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl:  status 0x%2X",p_data->status);
433 #endif
434 
435     /* initialize call back data */
436     memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN));
437     conn_dat.handle = p_cb->hid_handle;
438     bdcpy(conn_dat.bda, p_cb->addr);
439 
440     /* if SDP compl success */
441     if ( status == BTA_HH_OK)
442     {
443         /* not incoming connection doing SDP, initiate a HID connection */
444         if (!p_cb->incoming_conn)
445         {
446             tHID_STATUS ret;
447             /* set security level */
448             HID_HostSetSecurityLevel("", p_cb->sec_mask);
449 
450             /* open HID connection */
451             if ((ret = HID_HostOpenDev (p_cb->hid_handle)) != HID_SUCCESS)
452             {
453 #if BTA_HH_DEBUG
454                 APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl:  HID_HostOpenDev failed: \
455                     Status 0x%2X",ret);
456 #endif
457                 /* open fail, remove device from management device list */
458                 HID_HostRemoveDev( p_cb->hid_handle);
459                 status = BTA_HH_ERR;
460             }
461             else
462             {
463                 status = BTA_HH_OK;
464             }
465         }
466         else /* incoming connection SDP finish */
467         {
468             bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL);
469         }
470     }
471 
472     if (status != BTA_HH_OK)
473     {
474         /* Check if this was incoming connection request  from an unknown device
475            **and connection failed due to missing HID Device SDP UUID
476            **In above condition, disconnect the link as well as remove the
477            **device from list of HID devices*/
478         if ((status == BTA_HH_ERR_SDP) &&
479            (p_cb->incoming_conn) &&(p_cb->app_id == 0))
480         {
481             APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl:SDP failed for  incoming conn :hndl %d",
482                                 p_cb->incoming_hid_handle);
483             HID_HostRemoveDev( p_cb->incoming_hid_handle);
484         }
485         conn_dat.status = status;
486         (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
487 
488         /* move state machine W4_CONN ->IDLE */
489         bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
490 
491         /* if this is an outgoing connection to an unknown device, clean up cb */
492         if (p_cb->app_id == 0 && !p_cb->incoming_conn)
493         {
494             /* clean up device control block */
495             bta_hh_clean_up_kdev(p_cb);
496         }
497 #if BTA_HH_DEBUG
498         bta_hh_trace_dev_db();
499 #endif
500     }
501     return;
502 }
503 
504 /*******************************************************************************
505 **
506 ** Function         bta_hh_api_disc_act
507 **
508 ** Description      HID Host initiate a disconnection.
509 **
510 **
511 ** Returns          void
512 **
513 *******************************************************************************/
bta_hh_api_disc_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)514 void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
515 {
516     tBTA_HH_CBDATA    disc_dat;
517     tHID_STATUS     status;
518 
519 #if BTA_HH_LE_INCLUDED == TRUE
520     if (p_cb->is_le_device)
521         bta_hh_le_api_disc_act(p_cb);
522     else
523 #endif
524     {
525         /* found an active connection */
526         disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle;
527         disc_dat.status = BTA_HH_ERR;
528 
529         status = HID_HostCloseDev(disc_dat.handle);
530 
531         if (status)
532             (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat);
533     }
534 
535     return;
536 
537 }
538 /*******************************************************************************
539 **
540 ** Function         bta_hh_open_cmpl_act
541 **
542 ** Description      HID host connection completed
543 **
544 **
545 ** Returns          void
546 **
547 *******************************************************************************/
bta_hh_open_cmpl_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)548 void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
549 {
550     tBTA_HH_CONN        conn ;
551     UINT8   dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
552                         p_cb->hid_handle;
553 
554     memset((void *)&conn, 0, sizeof (tBTA_HH_CONN));
555     conn.handle = dev_handle;
556     bdcpy(conn.bda, p_cb->addr);
557 
558     /* increase connection number */
559     bta_hh_cb.cnt_num ++;
560 
561     /* initialize device driver */
562     bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class,
563                        p_cb->attr_mask,  p_cb->app_id);
564 
565 #if (BTA_HH_LE_INCLUDED == TRUE)
566     conn.status = p_cb->status;
567     conn.le_hid = p_cb->is_le_device;
568     conn.scps_supported = p_cb->scps_supported;
569 
570     if (!p_cb->is_le_device)
571 #endif
572     {
573         /* inform role manager */
574         bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
575     }
576     /* set protocol mode when not default report mode */
577     if ( p_cb->mode != BTA_HH_PROTO_RPT_MODE
578 #if (BTA_HH_LE_INCLUDED == TRUE)
579          && !p_cb->is_le_device
580 #endif
581         )
582     {
583         if ((HID_HostWriteDev(dev_handle,
584                               HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE,
585                               0,
586                               0, NULL)) != HID_SUCCESS)
587         {
588             /* HID connection is up, while SET_PROTO fail */
589             conn.status = BTA_HH_ERR_PROTO;
590             (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
591         }
592         else
593         {
594             conn.status = BTA_HH_OK;
595             p_cb->w4_evt = BTA_HH_OPEN_EVT;
596         }
597     }
598     else
599         (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
600 
601     p_cb->incoming_conn = FALSE;
602     p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE;
603 
604 }
605 /*******************************************************************************
606 **
607 ** Function         bta_hh_open_act
608 **
609 ** Description      HID host receive HID_OPEN_EVT .
610 **
611 **
612 ** Returns          void
613 **
614 *******************************************************************************/
bta_hh_open_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)615 void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
616 {
617     tBTA_HH_API_CONN    conn_data;
618 
619     UINT8   dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
620                         p_cb->hid_handle;
621 
622 #if BTA_HH_DEBUG
623     APPL_TRACE_EVENT1 ("bta_hh_open_act:  Device[%d] connected", dev_handle);
624 #endif
625 
626     /* SDP has been done */
627     if (p_cb->app_id != 0)
628     {
629         bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data);
630     }
631     else
632     /*  app_id == 0 indicates an incoming conenction request arrives without SDP
633         performed, do it first */
634     {
635         p_cb->incoming_conn = TRUE;
636         /* store the handle here in case sdp fails - need to disconnect */
637         p_cb->incoming_hid_handle = dev_handle;
638 
639         memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN));
640         bdcpy(conn_data.bd_addr, p_cb->addr);
641         bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data);
642     }
643 
644     return;
645 }
646 
647 
648 /*******************************************************************************
649 **
650 ** Function         bta_hh_data_act
651 **
652 ** Description      HID Host process a data report
653 **
654 **
655 ** Returns          void
656 **
657 *******************************************************************************/
bta_hh_data_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)658 void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
659 {
660     BT_HDR  *pdata = p_data->hid_cback.p_data;
661     UINT8   *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset;
662 
663     bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len,
664                     p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id);
665 
666     utl_freebuf((void **)&pdata);
667 }
668 
669 
670 /*******************************************************************************
671 **
672 ** Function         bta_hh_handsk_act
673 **
674 ** Description      HID Host process a handshake acknoledgement.
675 **
676 **
677 ** Returns          void
678 **
679 *******************************************************************************/
bta_hh_handsk_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)680 void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
681 {
682     tBTA_HH_CBDATA  cback_data ;
683     tBTA_HH_HSDATA  hs_data;
684     tBTA_HH_CONN    conn ;
685 
686 #if BTA_HH_DEBUG
687     APPL_TRACE_DEBUG2("HANDSHAKE received for: event = %s data= %d",
688         bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data);
689 #endif
690 
691     memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA));
692     memset(&cback_data, 0, sizeof(tBTA_HH_CBDATA));
693 
694     switch (p_cb->w4_evt)
695     {
696         /* GET_ transsaction, handshake indicate unsupported request */
697         case BTA_HH_GET_PROTO_EVT:
698             hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN;
699             /* fall through */
700         case BTA_HH_GET_RPT_EVT:
701         case BTA_HH_GET_IDLE_EVT :
702             hs_data.handle = p_cb->hid_handle;
703             /* if handshake gives an OK code for these transaction, fill in UNSUPT */
704             if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK)
705                  hs_data.status = BTA_HH_HS_TRANS_NOT_SPT;
706 
707             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
708             p_cb->w4_evt = 0;
709             break;
710 
711         /* acknoledgement from HID device for SET_ transaction */
712         case BTA_HH_SET_RPT_EVT:
713         case BTA_HH_SET_PROTO_EVT:
714         case BTA_HH_SET_IDLE_EVT :
715             cback_data.handle  = p_cb->hid_handle;
716             cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data);
717             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data);
718             p_cb->w4_evt = 0;
719             break;
720 
721         /* SET_PROTOCOL when open connection */
722         case BTA_HH_OPEN_EVT:
723             conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK;
724             conn.handle = p_cb->hid_handle;
725             bdcpy(conn.bda, p_cb->addr);
726             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn);
727 #if BTA_HH_DEBUG
728             bta_hh_trace_dev_db();
729 #endif
730             p_cb->w4_evt = 0;
731             break;
732 
733         default:
734             /* unknow transaction handshake response */
735             APPL_TRACE_DEBUG0("unknown transaction type");
736             break;
737     }
738 
739     /* transaction achknoledgement received, inform PM for mode change */
740     bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
741     return;
742 }
743 /*******************************************************************************
744 **
745 ** Function         bta_hh_ctrl_dat_act
746 **
747 ** Description      HID Host process a data report from control channel.
748 **
749 **
750 ** Returns          void
751 **
752 *******************************************************************************/
bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)753 void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
754 {
755     BT_HDR          *pdata = p_data->hid_cback.p_data;
756     UINT8           *data = (UINT8 *)(pdata + 1) + pdata->offset;
757     tBTA_HH_HSDATA    hs_data;
758 
759 #if BTA_HH_DEBUG
760     APPL_TRACE_DEBUG1("Ctrl DATA received w4: event[%s]",
761                         bta_hh_get_w4_event(p_cb->w4_evt));
762 #endif
763     hs_data.status  = BTA_HH_OK;
764     hs_data.handle  = p_cb->hid_handle;
765 
766     switch (p_cb->w4_evt)
767     {
768     case BTA_HH_GET_IDLE_EVT:
769         hs_data.rsp_data.idle_rate = *data;
770         break;
771     case BTA_HH_GET_RPT_EVT:
772         hs_data.rsp_data.p_rpt_data = pdata;
773         break;
774     case BTA_HH_GET_PROTO_EVT:
775         /* match up BTE/BTA report/boot mode def*/
776         hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \
777                     BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE;
778 #if BTA_HH_DEBUG
779         APPL_TRACE_DEBUG1("GET_PROTOCOL Mode = [%s]",
780             (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot");
781 #endif
782         break;
783     /* should not expect control DATA for SET_ transaction */
784     case BTA_HH_SET_PROTO_EVT:
785         /* fall through */
786     case BTA_HH_SET_RPT_EVT:
787         /* fall through */
788     case BTA_HH_SET_IDLE_EVT :
789         /* fall through */
790     default:
791 #if BTA_HH_DEBUG
792         APPL_TRACE_DEBUG1("invalid  transaction type for DATA payload: 4_evt[%s]",
793                         bta_hh_get_w4_event(p_cb->w4_evt));
794 #endif
795         break;
796     }
797 
798     /* inform PM for mode change */
799     bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
800     bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
801 
802     (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
803 
804     p_cb->w4_evt = 0;
805     utl_freebuf((void **)&pdata);
806 
807 }
808 
809 /*******************************************************************************
810 **
811 ** Function         bta_hh_open_failure
812 **
813 ** Description      report HID open failure when at wait for connection state and receive
814 **                  device close event.
815 **
816 **
817 ** Returns          void
818 **
819 *******************************************************************************/
bta_hh_open_failure(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)820 void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
821 {
822     tBTA_HH_CONN            conn_dat ;
823     UINT32                  reason = p_data->hid_cback.data;    /* Reason for closing (32-bit) */
824 
825     memset(&conn_dat, 0, sizeof(tBTA_HH_CONN));
826      conn_dat.handle = p_cb->hid_handle;
827      conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ?
828                                     BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
829      bdcpy(conn_dat.bda, p_cb->addr);
830      HID_HostCloseDev(p_cb->hid_handle);
831 
832      /* Report OPEN fail event */
833      (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
834 
835 #if BTA_HH_DEBUG
836     bta_hh_trace_dev_db();
837 #endif
838     /* clean up control block, but retain SDP info and device handle */
839     p_cb->vp            = FALSE;
840     p_cb->w4_evt        = 0;
841 
842     /* if no connection is active and HH disable is signaled, disable service */
843     if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
844     {
845         bta_hh_disc_cmpl();
846     }
847 
848 }
849 
850 /*******************************************************************************
851 **
852 ** Function         bta_hh_close_act
853 **
854 ** Description      HID Host process a close event
855 **
856 **
857 ** Returns          void
858 **
859 *******************************************************************************/
bta_hh_close_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)860 void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
861 {
862     tBTA_HH_CONN            conn_dat ;
863     tBTA_HH_CBDATA          disc_dat = {BTA_HH_OK, 0};
864     UINT32                  reason = p_data->hid_cback.data;    /* Reason for closing (32-bit) */
865 
866     /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */
867     UINT16     event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT;
868 
869     disc_dat.handle = p_cb->hid_handle;
870     disc_dat.status = p_data->hid_cback.data;
871 
872     /* Check reason for closing */
873     if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) ||  /* Failure to initialize connection (page timeout or l2cap error) */
874         (reason == HID_ERR_AUTH_FAILED) ||                      /* Authenication error (while initiating) */
875         (reason == HID_ERR_L2CAP_FAILED))                       /* Failure creating l2cap connection */
876     {
877         /* Failure in opening connection */
878         conn_dat.handle = p_cb->hid_handle;
879         conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
880         bdcpy(conn_dat.bda, p_cb->addr);
881         HID_HostCloseDev(p_cb->hid_handle);
882 
883         /* Report OPEN fail event */
884         (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
885 
886 #if BTA_HH_DEBUG
887         bta_hh_trace_dev_db();
888 #endif
889         return;
890     }
891     /* otherwise report CLOSE/VC_UNPLUG event */
892     else
893     {
894         /* finaliza device driver */
895         bta_hh_co_close(p_cb->hid_handle, p_cb->app_id);
896         /* inform role manager */
897         bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
898         /* update total conn number */
899         bta_hh_cb.cnt_num --;
900 
901         if (disc_dat.status)
902             disc_dat.status = BTA_HH_ERR;
903 
904         (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat);
905 
906         /* if virtually unplug, remove device */
907         if (p_cb->vp )
908         {
909             HID_HostRemoveDev( p_cb->hid_handle);
910             bta_hh_clean_up_kdev(p_cb);
911         }
912 
913 #if BTA_HH_DEBUG
914         bta_hh_trace_dev_db();
915 #endif
916     }
917 
918     /* clean up control block, but retain SDP info and device handle */
919     p_cb->vp            = FALSE;
920     p_cb->w4_evt        = 0;
921 
922     /* if no connection is active and HH disable is signaled, disable service */
923     if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
924     {
925         bta_hh_disc_cmpl();
926     }
927 
928     return;
929 }
930 
931 /*******************************************************************************
932 **
933 ** Function         bta_hh_get_dscp_act
934 **
935 ** Description      Get device report descriptor
936 **
937 **
938 ** Returns          void
939 **
940 *******************************************************************************/
bta_hh_get_dscp_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)941 void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
942 {
943 #if (BTA_HH_LE_INCLUDED == TRUE)
944     if (p_cb->is_le_device)
945     {
946         bta_hh_le_get_dscp_act(p_cb);
947     }
948     else
949 #endif
950     (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info);
951 }
952 
953 /*******************************************************************************
954 **
955 ** Function         bta_hh_maint_dev_act
956 **
957 ** Description      HID Host maintain device list.
958 **
959 **
960 ** Returns          void
961 **
962 *******************************************************************************/
bta_hh_maint_dev_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)963 void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
964 {
965     tBTA_HH_MAINT_DEV       *p_dev_info = &p_data->api_maintdev;
966     tBTA_HH_DEV_INFO        dev_info ;
967     UINT8                   dev_handle;
968 
969     dev_info.status = BTA_HH_ERR;
970     dev_info.handle = BTA_HH_INVALID_HANDLE;
971 
972     switch (p_dev_info->sub_event)
973     {
974     case BTA_HH_ADD_DEV_EVT:    /* add a device */
975         bdcpy(dev_info.bda, p_dev_info->bda);
976         /* initialize callback data */
977         if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
978         {
979 #if (BTA_HH_LE_INCLUDED == TRUE)
980             if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
981             {
982                 dev_info.handle   = bta_hh_le_add_device(p_cb, p_dev_info);
983                 dev_info.status   = BTA_HH_OK;
984             }
985             else
986 #endif
987 
988             if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\
989                             == HID_SUCCESS)
990             {
991                 dev_info.handle   = dev_handle;
992                 dev_info.status   = BTA_HH_OK;
993 
994 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
995                 /* update DI information */
996                 bta_hh_update_di_info(p_cb,
997                                       p_dev_info->dscp_info.vendor_id,
998                                       p_dev_info->dscp_info.product_id,
999                                       p_dev_info->dscp_info.version,
1000                                       p_dev_info->dscp_info.flag);
1001 #else
1002                 bta_hh_update_di_info(p_cb,
1003                                       p_dev_info->dscp_info.vendor_id,
1004                                       p_dev_info->dscp_info.product_id,
1005                                       p_dev_info->dscp_info.version,
1006                                       0);
1007 
1008 #endif
1009                 /* add to BTA device list */
1010                 bta_hh_add_device_to_list(p_cb, dev_handle,
1011                                           p_dev_info->attr_mask,
1012                                           &p_dev_info->dscp_info.descriptor,
1013                                           p_dev_info->sub_class,
1014                                           p_dev_info->dscp_info.ssr_max_latency,
1015                                           p_dev_info->dscp_info.ssr_min_tout,
1016                                           p_dev_info->app_id);
1017                 /* update cb_index[] map */
1018                 bta_hh_cb.cb_index[dev_handle] = p_cb->index;
1019             }
1020         }
1021         else    /* device already been added */
1022         {
1023             dev_info.handle = p_cb->hid_handle;
1024             dev_info.status = BTA_HH_OK;
1025         }
1026 #if BTA_HH_DEBUG
1027         bta_hh_trace_dev_db();
1028 #endif
1029 
1030         break;
1031     case BTA_HH_RMV_DEV_EVT:    /* remove device */
1032         dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific;
1033         bdcpy(dev_info.bda, p_cb->addr);
1034 
1035 #if BTA_HH_LE_INCLUDED == TRUE
1036         if (p_cb->is_le_device)
1037         {
1038             bta_hh_le_remove_dev_bg_conn(p_cb);
1039             bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
1040             bta_hh_clean_up_kdev(p_cb);
1041         }
1042         else
1043 #endif
1044         {
1045             if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS)
1046             {
1047                 dev_info.status  = BTA_HH_OK;
1048 
1049                 /* remove from known device list in BTA */
1050                 bta_hh_clean_up_kdev(p_cb);
1051             }
1052         }
1053         break;
1054 
1055     default:
1056         APPL_TRACE_DEBUG0("invalid command");
1057         break;
1058     }
1059 
1060     (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info);
1061 }
1062 /*******************************************************************************
1063 **
1064 ** Function         bta_hh_write_dev_act
1065 **
1066 ** Description      Write device action. can be SET/GET/DATA transaction.
1067 **
1068 ** Returns          void
1069 **
1070 *******************************************************************************/
bta_hh_write_dev_act(tBTA_HH_DEV_CB * p_cb,tBTA_HH_DATA * p_data)1071 void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
1072 {
1073     tBTA_HH_CBDATA     cbdata = {BTA_HH_OK, 0};
1074     UINT16  event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) +
1075                         BTA_HH_FST_TRANS_CB_EVT;
1076 
1077 #if BTA_HH_LE_INCLUDED == TRUE
1078     if (p_cb->is_le_device)
1079         bta_hh_le_write_dev_act(p_cb, p_data);
1080     else
1081 #endif
1082     {
1083 
1084     cbdata.handle = p_cb->hid_handle;
1085 
1086     /* match up BTE/BTA report/boot mode def */
1087     if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL)
1088     {
1089         p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\
1090                         HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE;
1091     }
1092 
1093     if (HID_HostWriteDev (p_cb->hid_handle,
1094                        p_data->api_sndcmd.t_type,
1095                        p_data->api_sndcmd.param,
1096                        p_data->api_sndcmd.data,
1097                        p_data->api_sndcmd.rpt_id,
1098                        p_data->api_sndcmd.p_data) != HID_SUCCESS)
1099     {
1100         APPL_TRACE_ERROR0("HID_HostWriteDev Error ");
1101         cbdata.status = BTA_HH_ERR;
1102 
1103         if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL &&
1104             p_data->api_sndcmd.t_type != HID_TRANS_DATA)
1105             (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata);
1106         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1107             (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata);
1108     }
1109     else
1110     {
1111 
1112         switch(p_data->api_sndcmd.t_type)
1113         {
1114         case HID_TRANS_SET_PROTOCOL:
1115             /* fall through */
1116         case HID_TRANS_GET_REPORT:
1117             /* fall through */
1118         case HID_TRANS_SET_REPORT:
1119             /* fall through */
1120         case HID_TRANS_GET_PROTOCOL:
1121             /* fall through */
1122         case HID_TRANS_GET_IDLE:
1123             /* fall through */
1124         case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */
1125             p_cb->w4_evt = event;
1126             break;
1127         case HID_TRANS_DATA:  /* output report */
1128             /* fall through */
1129         case HID_TRANS_CONTROL:
1130             /* no handshake event will be generated */
1131             /* if VC_UNPLUG is issued, set flag */
1132             if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1133                 p_cb->vp = TRUE;
1134 
1135             break;
1136         /* currently not expected */
1137         case HID_TRANS_DATAC:
1138         default:
1139             APPL_TRACE_DEBUG1("bta_hh_write_dev_act:: cmd type = %d",
1140                             p_data->api_sndcmd.t_type);
1141             break;
1142         }
1143 
1144         /* if not control type transaction, notify PM for energy control */
1145         if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL)
1146         {
1147             /* inform PM for mode change */
1148             bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1149             bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1150         }
1151         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND)
1152         {
1153 			bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1154         }
1155         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND)
1156         {
1157             bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1158         }
1159     }
1160 
1161     }
1162     return;
1163 }
1164 
1165 /*****************************************************************************
1166 **  Static Function
1167 *****************************************************************************/
1168 /*******************************************************************************
1169 **
1170 ** Function         bta_hh_cback
1171 **
1172 ** Description      BTA HH callback function.
1173 **
1174 **
1175 ** Returns          void
1176 **
1177 *******************************************************************************/
bta_hh_cback(UINT8 dev_handle,BD_ADDR addr,UINT8 event,UINT32 data,BT_HDR * pdata)1178 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
1179                         UINT32 data, BT_HDR *pdata)
1180 {
1181     tBTA_HH_CBACK_DATA    *p_buf = NULL;
1182     UINT16  sm_event = BTA_HH_INVALID_EVT;
1183     UINT8   xx = 0;
1184 
1185 #if BTA_HH_DEBUG
1186     APPL_TRACE_DEBUG1("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event));
1187 #endif
1188 
1189     switch (event)
1190     {
1191     case HID_HDEV_EVT_OPEN:
1192         sm_event = BTA_HH_INT_OPEN_EVT;
1193         break;
1194     case HID_HDEV_EVT_CLOSE:
1195         sm_event = BTA_HH_INT_CLOSE_EVT;
1196         break;
1197     case HID_HDEV_EVT_INTR_DATA:
1198         sm_event = BTA_HH_INT_DATA_EVT;
1199         break;
1200     case HID_HDEV_EVT_HANDSHAKE:
1201         sm_event = BTA_HH_INT_HANDSK_EVT;
1202         break;
1203     case HID_HDEV_EVT_CTRL_DATA:
1204         sm_event = BTA_HH_INT_CTRL_DATA;
1205         break;
1206     case HID_HDEV_EVT_RETRYING:
1207         break;
1208     case HID_HDEV_EVT_INTR_DATC:
1209     case HID_HDEV_EVT_CTRL_DATC:
1210         /* Unhandled events: Free buffer for DATAC */
1211         utl_freebuf((void **)&pdata);
1212         break;
1213     case HID_HDEV_EVT_VC_UNPLUG:
1214         for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx++)
1215         {
1216             if (bta_hh_cb.kdev[xx].hid_handle == dev_handle)
1217             {
1218                bta_hh_cb.kdev[xx].vp = TRUE;
1219                break;
1220             }
1221         }
1222         break;
1223     }
1224 
1225     if (sm_event != BTA_HH_INVALID_EVT &&
1226         (p_buf = (tBTA_HH_CBACK_DATA *)GKI_getbuf(sizeof(tBTA_HH_CBACK_DATA) +
1227                     sizeof(BT_HDR))) != NULL)
1228     {
1229         p_buf->hdr.event  = sm_event;
1230         p_buf->hdr.layer_specific = (UINT16)dev_handle;
1231         p_buf->data       = data;
1232         bdcpy(p_buf->addr, addr);
1233         p_buf->p_data     = pdata;
1234 
1235         bta_sys_sendmsg(p_buf);
1236     }
1237 
1238 }
1239 /*******************************************************************************
1240 **
1241 ** Function         bta_hh_get_trans_status
1242 **
1243 ** Description      translate a handshake result code into BTA HH
1244 **                  status code
1245 **
1246 *******************************************************************************/
bta_hh_get_trans_status(UINT32 result)1247 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result)
1248 {
1249     switch(result)
1250     {
1251     case HID_PAR_HANDSHAKE_RSP_SUCCESS :                /*   (0) */
1252         return BTA_HH_OK;
1253     case HID_PAR_HANDSHAKE_RSP_NOT_READY :              /*   (1) */
1254     case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID:      /*   (2) */
1255     case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ :    /*   (3) */
1256     case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM :      /*   (4) */
1257         return (tBTA_HH_STATUS)result;
1258     case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN :            /*   (14) */
1259     case HID_PAR_HANDSHAKE_RSP_ERR_FATAL  :             /*   (15) */
1260     default:
1261         return BTA_HH_HS_ERROR;
1262         break;
1263     }
1264 }
1265 /*****************************************************************************
1266 **  Debug Functions
1267 *****************************************************************************/
1268 
1269 #if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE)
bta_hh_get_w4_event(UINT16 event)1270 static char* bta_hh_get_w4_event(UINT16 event)
1271 {
1272     switch (event)
1273     {
1274     case BTA_HH_GET_RPT_EVT:
1275         return "BTA_HH_GET_RPT_EVT";
1276     case BTA_HH_SET_RPT_EVT:
1277         return "BTA_HH_SET_RPT_EVT";
1278     case BTA_HH_GET_PROTO_EVT:
1279         return "BTA_HH_GET_PROTO_EVT";
1280     case BTA_HH_SET_PROTO_EVT:
1281         return "BTA_HH_SET_PROTO_EVT";
1282     case BTA_HH_GET_IDLE_EVT:
1283         return "BTA_HH_GET_IDLE_EVT";
1284     case BTA_HH_SET_IDLE_EVT:
1285         return "BTA_HH_SET_IDLE_EVT";
1286     case BTA_HH_OPEN_EVT:
1287         return "BTA_HH_OPEN_EVT";
1288     default:
1289         return "Unknown event";
1290     }
1291 
1292 }
1293 
bta_hh_hid_event_name(UINT16 event)1294 static char * bta_hh_hid_event_name(UINT16 event)
1295 {
1296     switch (event)
1297     {
1298     case HID_HDEV_EVT_OPEN:
1299         return "HID_HDEV_EVT_OPEN";
1300     case HID_HDEV_EVT_CLOSE:
1301         return "HID_HDEV_EVT_CLOSE";
1302     case HID_HDEV_EVT_RETRYING:
1303         return "HID_HDEV_EVT_RETRYING";
1304     case HID_HDEV_EVT_INTR_DATA:
1305         return "HID_HDEV_EVT_INTR_DATA";
1306     case HID_HDEV_EVT_INTR_DATC:
1307         return "HID_HDEV_EVT_INTR_DATC";
1308     case HID_HDEV_EVT_CTRL_DATA:
1309         return "HID_HDEV_EVT_CTRL_DATA";
1310     case HID_HDEV_EVT_CTRL_DATC:
1311         return "HID_HDEV_EVT_CTRL_DATC";
1312     case HID_HDEV_EVT_HANDSHAKE:
1313         return "HID_HDEV_EVT_HANDSHAKE";
1314     case HID_HDEV_EVT_VC_UNPLUG:
1315         return "HID_HDEV_EVT_VC_UNPLUG";
1316     default:
1317         return "Unknown HID event";
1318     }
1319 }
1320 #endif
1321 #endif /* BTA_HH_INCLUDED */
1322 
1323