bta/hh/bta_hh_act.c

   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 #include "utl.h"
  37
  38 /*****************************************************************************
  39 **  Constants
  40 *****************************************************************************/
  41
  42
  43 /*****************************************************************************
  44 **  Local Function prototypes
  45 *****************************************************************************/
  46 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
  47                             UINT32 data, BT_HDR *pdata);
  48 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result);
  49
  50 #if BTA_HH_DEBUG
  51 static char* bta_hh_get_w4_event(UINT16 event);
  52 static char * bta_hh_hid_event_name(UINT16 event);
  53 #endif
  54
  55 /*****************************************************************************
  56 **  Action Functions
  57 *****************************************************************************/
  58 /*******************************************************************************
  59 **
  60 ** Function         bta_hh_api_enable
  61 **
  62 ** Description      Perform necessary operations to enable HID host.
  63 **
  64 **
  65 ** Returns          void
  66 **
  67 *******************************************************************************/
  68 void bta_hh_api_enable(tBTA_HH_DATA *p_data)
  69 {
  70     tBTA_HH_STATUS      status = BTA_HH_ERR;
  71     UINT8               xx;
  72
  73     /* initialize BTE HID */
  74     HID_HostInit();
  75
  76     memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB));
  77
  78     HID_HostSetSecurityLevel("", p_data->api_enable.sec_mask);
  79
  80     /* Register with L2CAP */
  81     if ( HID_HostRegister (bta_hh_cback) == HID_SUCCESS)
  82     {
  83         /* store parameters */
  84         bta_hh_cb.p_cback = p_data->api_enable.p_cback;
  85
  86         status = BTA_HH_OK;
  87         /* initialize device CB */
  88         for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
  89         {
  90             bta_hh_cb.kdev[xx].state        = BTA_HH_IDLE_ST;
  91             bta_hh_cb.kdev[xx].hid_handle   = BTA_HH_INVALID_HANDLE;
  92             bta_hh_cb.kdev[xx].index        = xx;
  93         }
  94
  95         /* initialize control block map */
  96         for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++)
  97             bta_hh_cb.cb_index[xx]          = BTA_HH_IDX_INVALID;
  98     }
  99
 100 #if (BTA_HH_LE_INCLUDED == TRUE)
 101     if (status == BTA_HH_OK)
 102     {
 103         bta_hh_le_enable();
 104     }
 105     else
 106 #endif
 107         /* signal BTA call back event */
 108         (* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status);
 109 }
 110 /*******************************************************************************
 111 **
 112 ** Function         bta_hh_api_disable
 113 **
 114 ** Description      Perform necessary operations to disable HID host.
 115 **
 116 **
 117 ** Returns          void
 118 **
 119 *******************************************************************************/
 120 void bta_hh_api_disable(void)
 121 {
 122     UINT8 xx;
 123
 124     /* service is not enabled */
 125     if (bta_hh_cb.p_cback == NULL)
 126         return;
 127
 128     /* no live connection, signal DISC_CMPL_EVT directly */
 129     if (!bta_hh_cb.cnt_num)
 130     {
 131         bta_hh_disc_cmpl();
 132     }
 133     else /* otherwise, disconnect all live connections */
 134     {
 135         bta_hh_cb.w4_disable = TRUE;
 136
 137         for(xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++)
 138         {
 139             /* send API_CLOSE event to every connected device */
 140             if ( bta_hh_cb.kdev[xx].state == BTA_HH_CONN_ST )
 141             {
 142                 /* disconnect all connected devices */
 143                 bta_hh_sm_execute(&bta_hh_cb.kdev[xx],
 144                                 BTA_HH_API_CLOSE_EVT,
 145                                 NULL);
 146             }
 147         }
 148     }
 149
 150     return;
 151 }
 152
 153 /*******************************************************************************
 154 **
 155 ** Function         bta_hh_disc_cmpl
 156 **
 157 ** Description      All connections have been closed, disable service.
 158 **
 159 **
 160 ** Returns          void
 161 **
 162 *******************************************************************************/
 163 void bta_hh_disc_cmpl(void)
 164 {
 165     tBTA_HH_STATUS  status = BTA_HH_OK;
 166
 167     /* Deregister with lower layer */
 168     if (HID_HostDeregister() != HID_SUCCESS)
 169         status = BTA_HH_ERR;
 170
 171 #if (BTA_HH_LE_INCLUDED == TRUE)
 172     bta_hh_le_deregister();
 173     UNUSED(status);
 174 #else
 175     bta_hh_cleanup_disable(status);
 176 #endif
 177 }
 178
 179 /*******************************************************************************
 180 **
 181 ** Function         bta_hh_sdp_cback
 182 **
 183 ** Description      SDP callback function.
 184 **
 185 ** Returns          void
 186 **
 187 *******************************************************************************/
 188 static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask,
 189                                   tHID_DEV_SDP_INFO *sdp_rec )
 190 {
 191     tBTA_HH_DEV_CB     *p_cb = bta_hh_cb.p_cur;
 192     UINT8              hdl = 0;
 193     tBTA_HH_STATUS    status = BTA_HH_ERR_SDP;
 194
 195     /* make sure sdp succeeded and hh has not been disabled */
 196     if ((result == SDP_SUCCESS) && (p_cb != NULL))
 197     {
 198         /* security is required for the connection, add attr_mask bit*/
 199         if (p_cb->sec_mask)
 200             attr_mask |= HID_SEC_REQUIRED;
 201
 202 #if BTA_HH_DEBUG
 203         APPL_TRACE_EVENT("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \
 204                             attr_mask 0x%02x, handle %x", \
 205                             p_cb, result, attr_mask,p_cb->hid_handle);
 206 #endif
 207
 208         /* check to see type of device is supported , and should not been added before */
 209         if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class))
 210         {
 211             /* if not added before */
 212             if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
 213             {
 214                 /*  add device/update attr_mask information */
 215                 if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS)
 216                 {
 217                     status = BTA_HH_OK;
 218                     /* update cb_index[] map */
 219                     bta_hh_cb.cb_index[hdl] = p_cb->index;
 220                 }
 221                 else
 222                 {
 223                     p_cb->app_id = 0;
 224                 }
 225             }
 226             else
 227             {
 228                 hdl = p_cb->hid_handle;
 229             }
 230             /* else : incoming connection after SDP should update the SDP information as well */
 231
 232             if (p_cb->app_id != 0)
 233             {
 234                 /* update cb information with attr_mask, dscp_info etc. */
 235                 bta_hh_add_device_to_list(p_cb,  hdl, attr_mask,
 236                                             &sdp_rec->dscp_info,
 237                                             sdp_rec->sub_class,
 238                                             sdp_rec->ssr_max_latency,
 239                                             sdp_rec->ssr_min_tout,
 240                                             p_cb->app_id);
 241
 242                 p_cb->dscp_info.ctry_code = sdp_rec->ctry_code;
 243
 244                 status = BTA_HH_OK;
 245             }
 246
 247         }
 248         else /* type of device is not supported */
 249             status = BTA_HH_ERR_TOD_UNSPT;
 250     }
 251
 252     /* free disc_db when SDP is completed */
 253     utl_freebuf((void **)&bta_hh_cb.p_disc_db);
 254
 255     /* send SDP_CMPL_EVT into state machine */
 256     bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 257
 258     return;
 259 }
 260 /*******************************************************************************
 261 **
 262 ** Function         bta_hh_di_sdp_cback
 263 **
 264 ** Description      SDP DI callback function.
 265 **
 266 ** Returns          void
 267 **
 268 *******************************************************************************/
 269 static void bta_hh_di_sdp_cback(UINT16 result)
 270 {
 271     tBTA_HH_DEV_CB     *p_cb = bta_hh_cb.p_cur;
 272     tBTA_HH_STATUS         status = BTA_HH_ERR_SDP;
 273     tSDP_DI_GET_RECORD  di_rec;
 274     tHID_STATUS ret;
 275 #if BTA_HH_DEBUG
 276     APPL_TRACE_EVENT("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result);
 277 #endif
 278
 279     /* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be
 280          * set to 0xffff and we will allow the connection to go through. Spec mandates that DI
 281          * record be set, but many HID devices do not set this. So for IOP purposes, we allow the
 282          * connection to go through and update the DI record to invalid DI entry.*/
 283     if (((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) && (p_cb != NULL))
 284     {
 285         if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0)
 286         {
 287             /* always update information with primary DI record */
 288             if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS)
 289             {
 290                 bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version, 0);
 291             }
 292
 293         }
 294         else /* no DI recrod available */
 295         {
 296             bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0, 0);
 297         }
 298
 299         if ((ret = HID_HostGetSDPRecord(p_cb->addr,
 300                                  bta_hh_cb.p_disc_db,
 301                                  p_bta_hh_cfg->sdp_db_size,
 302                                  bta_hh_sdp_cback)) == HID_SUCCESS)
 303         {
 304             status = BTA_HH_OK;
 305         }
 306         else
 307         {
 308 #if BTA_HH_DEBUG
 309             APPL_TRACE_DEBUG ("bta_hh_di_sdp_cback:  HID_HostGetSDPRecord failed: Status 0x%2x",
 310                                ret);
 311 #endif
 312         }
 313     }
 314
 315
 316     if (status != BTA_HH_OK)
 317     {
 318         utl_freebuf((void **)&bta_hh_cb.p_disc_db);
 319         /* send SDP_CMPL_EVT into state machine */
 320         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 321     }
 322     return;
 323
 324 }
 325
 326
 327 /*******************************************************************************
 328 **
 329 ** Function         bta_hh_start_sdp
 330 **
 331 ** Description      Start SDP service search, and obtain necessary SDP records.
 332 **                  Only one SDP service search request is allowed at the same
 333 **                  time. For every BTA_HhOpen API call, do SDP first unless SDP
 334 **                  has been done previously.
 335 **
 336 ** Returns          void
 337 **
 338 *******************************************************************************/
 339 void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 340 {
 341     tBTA_HH_STATUS          status = BTA_HH_ERR_SDP;
 342     UINT8                   hdl;
 343
 344     p_cb->sec_mask  = p_data->api_conn.sec_mask;
 345     p_cb->mode      = p_data->api_conn.mode;
 346     bta_hh_cb.p_cur = p_cb;
 347
 348 #if (BTA_HH_LE_INCLUDED == TRUE)
 349     if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
 350     {
 351         bta_hh_le_open_conn(p_cb, p_data->api_conn.bd_addr);
 352         return;
 353     }
 354 #endif
 355
 356     /* if previously virtually cabled device, skip SDP */
 357     if (p_cb->app_id)
 358     {
 359         status = BTA_HH_OK;
 360 #if BTA_HH_DEBUG
 361         APPL_TRACE_DEBUG("bta_hh_start_sdp:: skip SDP for known devices");
 362 #endif
 363         if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
 364         {
 365             if (HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl) \
 366                 == HID_SUCCESS)
 367             {
 368                 /* update device CB with newly register device handle */
 369                 bta_hh_add_device_to_list(p_cb,  hdl, p_cb->attr_mask, NULL,
 370                                           p_cb->sub_class,
 371                                           p_cb->dscp_info.ssr_max_latency,
 372                                           p_cb->dscp_info.ssr_min_tout,
 373                                           p_cb->app_id);
 374                 /* update cb_index[] map */
 375                 bta_hh_cb.cb_index[hdl] = p_cb->index;
 376             }
 377             else
 378                 status = BTA_HH_ERR_NO_RES;
 379         }
 380         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 381
 382         return;
 383     }
 384     /* GetSDPRecord. at one time only one SDP precedure can be active */
 385     else if (!bta_hh_cb.p_disc_db)
 386     {
 387         bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *) osi_getbuf(p_bta_hh_cfg->sdp_db_size);
 388
 389         if (bta_hh_cb.p_disc_db == NULL)
 390         {
 391             status = BTA_HH_ERR_NO_RES;
 392         }
 393         else
 394         {
 395             bta_hh_cb.p_cur = p_cb;
 396             /* do DI discovery first */
 397             if (SDP_DiDiscover(p_data->api_conn.bd_addr,
 398                                          bta_hh_cb.p_disc_db,
 399                                          p_bta_hh_cfg->sdp_db_size,
 400                                          bta_hh_di_sdp_cback) != SDP_SUCCESS)
 401             {
 402 #if BTA_HH_DEBUG
 403                 APPL_TRACE_DEBUG ("bta_hh_start_sdp:  SDP_DiDiscover failed: \
 404                     Status 0x%2X",status);
 405 #endif
 406                 status = BTA_HH_ERR_SDP;
 407                 utl_freebuf((void **)&bta_hh_cb.p_disc_db);
 408             }
 409             else
 410                 status = BTA_HH_OK;
 411         }
 412     }
 413
 414     if (status != BTA_HH_OK)
 415         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 416
 417     return;
 418
 419 }
 420 /*******************************************************************************
 421 **
 422 ** Function         bta_hh_sdp_cmpl
 423 **
 424 ** Description      When SDP completed, initiate a connection or report error depend
 425 **                  on SDP result.
 426 **
 427 **
 428 ** Returns          void
 429 **
 430 *******************************************************************************/
 431 void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 432 {
 433     tBTA_HH_CONN            conn_dat;
 434     tBTA_HH_STATUS          status = p_data->status;
 435
 436 #if BTA_HH_DEBUG
 437     APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:  status 0x%2X",p_data->status);
 438 #endif
 439
 440     /* initialize call back data */
 441     memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN));
 442     conn_dat.handle = p_cb->hid_handle;
 443     bdcpy(conn_dat.bda, p_cb->addr);
 444
 445     /* if SDP compl success */
 446     if ( status == BTA_HH_OK)
 447     {
 448         /* not incoming connection doing SDP, initiate a HID connection */
 449         if (!p_cb->incoming_conn)
 450         {
 451             tHID_STATUS ret;
 452             /* set security level */
 453             HID_HostSetSecurityLevel("", p_cb->sec_mask);
 454
 455             /* open HID connection */
 456             if ((ret = HID_HostOpenDev (p_cb->hid_handle)) != HID_SUCCESS)
 457             {
 458 #if BTA_HH_DEBUG
 459                 APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:  HID_HostOpenDev failed: \
 460                     Status 0x%2X",ret);
 461 #endif
 462                 /* open fail, remove device from management device list */
 463                 HID_HostRemoveDev( p_cb->hid_handle);
 464                 status = BTA_HH_ERR;
 465             }
 466             else
 467             {
 468                 status = BTA_HH_OK;
 469             }
 470         }
 471         else /* incoming connection SDP finish */
 472         {
 473             bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL);
 474         }
 475     }
 476
 477     if (status != BTA_HH_OK)
 478     {
 479         /* Check if this was incoming connection request  from an unknown device
 480            **and connection failed due to missing HID Device SDP UUID
 481            **In above condition, disconnect the link as well as remove the
 482            **device from list of HID devices*/
 483         if ((status == BTA_HH_ERR_SDP) &&
 484            (p_cb->incoming_conn) &&(p_cb->app_id == 0))
 485         {
 486             APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:SDP failed for  incoming conn :hndl %d",
 487                                 p_cb->incoming_hid_handle);
 488             HID_HostRemoveDev( p_cb->incoming_hid_handle);
 489         }
 490         conn_dat.status = status;
 491         (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
 492
 493         /* move state machine W4_CONN ->IDLE */
 494         bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
 495
 496         /* if this is an outgoing connection to an unknown device, clean up cb */
 497         if (p_cb->app_id == 0 && !p_cb->incoming_conn)
 498         {
 499             /* clean up device control block */
 500             bta_hh_clean_up_kdev(p_cb);
 501         }
 502 #if BTA_HH_DEBUG
 503         bta_hh_trace_dev_db();
 504 #endif
 505     }
 506     return;
 507 }
 508
 509 /*******************************************************************************
 510 **
 511 ** Function         bta_hh_api_disc_act
 512 **
 513 ** Description      HID Host initiate a disconnection.
 514 **
 515 **
 516 ** Returns          void
 517 **
 518 *******************************************************************************/
 519 void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 520 {
 521     tBTA_HH_CBDATA    disc_dat;
 522     tHID_STATUS     status;
 523
 524 #if BTA_HH_LE_INCLUDED == TRUE
 525     if (p_cb->is_le_device)
 526         bta_hh_le_api_disc_act(p_cb);
 527     else
 528 #endif
 529     {
 530         /* found an active connection */
 531         disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle;
 532         disc_dat.status = BTA_HH_ERR;
 533
 534         status = HID_HostCloseDev(disc_dat.handle);
 535
 536         if (status)
 537             (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat);
 538     }
 539
 540     return;
 541
 542 }
 543 /*******************************************************************************
 544 **
 545 ** Function         bta_hh_open_cmpl_act
 546 **
 547 ** Description      HID host connection completed
 548 **
 549 **
 550 ** Returns          void
 551 **
 552 *******************************************************************************/
 553 void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 554 {
 555     tBTA_HH_CONN        conn ;
 556     UINT8   dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
 557                         p_cb->hid_handle;
 558
 559     memset((void *)&conn, 0, sizeof (tBTA_HH_CONN));
 560     conn.handle = dev_handle;
 561     bdcpy(conn.bda, p_cb->addr);
 562
 563     /* increase connection number */
 564     bta_hh_cb.cnt_num ++;
 565
 566     /* initialize device driver */
 567     bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class,
 568                        p_cb->attr_mask,  p_cb->app_id);
 569
 570 #if (BTA_HH_LE_INCLUDED == TRUE)
 571     conn.status = p_cb->status;
 572     conn.le_hid = p_cb->is_le_device;
 573     conn.scps_supported = p_cb->scps_supported;
 574
 575     if (!p_cb->is_le_device)
 576 #endif
 577     {
 578         /* inform role manager */
 579         bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
 580     }
 581     /* set protocol mode when not default report mode */
 582     if ( p_cb->mode != BTA_HH_PROTO_RPT_MODE
 583 #if (BTA_HH_LE_INCLUDED == TRUE)
 584          && !p_cb->is_le_device
 585 #endif
 586         )
 587     {
 588         if ((HID_HostWriteDev(dev_handle,
 589                               HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE,
 590                               0,
 591                               0, NULL)) != HID_SUCCESS)
 592         {
 593             /* HID connection is up, while SET_PROTO fail */
 594             conn.status = BTA_HH_ERR_PROTO;
 595             (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
 596         }
 597         else
 598         {
 599             conn.status = BTA_HH_OK;
 600             p_cb->w4_evt = BTA_HH_OPEN_EVT;
 601         }
 602     }
 603     else
 604         (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
 605
 606     p_cb->incoming_conn = FALSE;
 607     p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE;
 608
 609 }
 610 /*******************************************************************************
 611 **
 612 ** Function         bta_hh_open_act
 613 **
 614 ** Description      HID host receive HID_OPEN_EVT .
 615 **
 616 **
 617 ** Returns          void
 618 **
 619 *******************************************************************************/
 620 void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 621 {
 622     tBTA_HH_API_CONN    conn_data;
 623
 624     UINT8   dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
 625                         p_cb->hid_handle;
 626
 627 #if BTA_HH_DEBUG
 628     APPL_TRACE_EVENT ("bta_hh_open_act:  Device[%d] connected", dev_handle);
 629 #endif
 630
 631     /* SDP has been done */
 632     if (p_cb->app_id != 0)
 633     {
 634         bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data);
 635     }
 636     else
 637     /*  app_id == 0 indicates an incoming conenction request arrives without SDP
 638         performed, do it first */
 639     {
 640         p_cb->incoming_conn = TRUE;
 641         /* store the handle here in case sdp fails - need to disconnect */
 642         p_cb->incoming_hid_handle = dev_handle;
 643
 644         memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN));
 645         bdcpy(conn_data.bd_addr, p_cb->addr);
 646         bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data);
 647     }
 648
 649     return;
 650 }
 651
 652
 653 /*******************************************************************************
 654 **
 655 ** Function         bta_hh_data_act
 656 **
 657 ** Description      HID Host process a data report
 658 **
 659 **
 660 ** Returns          void
 661 **
 662 *******************************************************************************/
 663 void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
 664 {
 665     BT_HDR  *pdata = p_data->hid_cback.p_data;
 666     UINT8   *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset;
 667
 668     bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len,
 669                     p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id);
 670
 671     utl_freebuf((void **)&pdata);
 672 }
 673
 674
 675 /*******************************************************************************
 676 **
 677 ** Function         bta_hh_handsk_act
 678 **
 679 ** Description      HID Host process a handshake acknoledgement.
 680 **
 681 **
 682 ** Returns          void
 683 **
 684 *******************************************************************************/
 685 void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
 686 {
 687     tBTA_HH_CBDATA  cback_data ;
 688     tBTA_HH_HSDATA  hs_data;
 689     tBTA_HH_CONN    conn ;
 690
 691 #if BTA_HH_DEBUG
 692     APPL_TRACE_DEBUG("HANDSHAKE received for: event = %s data= %d",
 693         bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data);
 694 #endif
 695
 696     memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA));
 697     memset(&cback_data, 0, sizeof(tBTA_HH_CBDATA));
 698
 699     switch (p_cb->w4_evt)
 700     {
 701         /* GET_ transsaction, handshake indicate unsupported request */
 702         case BTA_HH_GET_PROTO_EVT:
 703             hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN;
 704             /* fall through */
 705         case BTA_HH_GET_RPT_EVT:
 706         case BTA_HH_GET_IDLE_EVT :
 707             hs_data.handle = p_cb->hid_handle;
 708             /* if handshake gives an OK code for these transaction, fill in UNSUPT */
 709             if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK)
 710                  hs_data.status = BTA_HH_HS_TRANS_NOT_SPT;
 711
 712             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
 713             p_cb->w4_evt = 0;
 714             break;
 715
 716         /* acknoledgement from HID device for SET_ transaction */
 717         case BTA_HH_SET_RPT_EVT:
 718         case BTA_HH_SET_PROTO_EVT:
 719         case BTA_HH_SET_IDLE_EVT :
 720             cback_data.handle  = p_cb->hid_handle;
 721             cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data);
 722             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data);
 723             p_cb->w4_evt = 0;
 724             break;
 725
 726         /* SET_PROTOCOL when open connection */
 727         case BTA_HH_OPEN_EVT:
 728             conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK;
 729             conn.handle = p_cb->hid_handle;
 730             bdcpy(conn.bda, p_cb->addr);
 731             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn);
 732 #if BTA_HH_DEBUG
 733             bta_hh_trace_dev_db();
 734 #endif
 735             p_cb->w4_evt = 0;
 736             break;
 737
 738         default:
 739             /* unknow transaction handshake response */
 740             APPL_TRACE_DEBUG("unknown transaction type");
 741             break;
 742     }
 743
 744     /* transaction achknoledgement received, inform PM for mode change */
 745     bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
 746     return;
 747 }
 748 /*******************************************************************************
 749 **
 750 ** Function         bta_hh_ctrl_dat_act
 751 **
 752 ** Description      HID Host process a data report from control channel.
 753 **
 754 **
 755 ** Returns          void
 756 **
 757 *******************************************************************************/
 758 void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
 759 {
 760     BT_HDR          *pdata = p_data->hid_cback.p_data;
 761     UINT8           *data = (UINT8 *)(pdata + 1) + pdata->offset;
 762     tBTA_HH_HSDATA    hs_data;
 763
 764 #if BTA_HH_DEBUG
 765     APPL_TRACE_DEBUG("Ctrl DATA received w4: event[%s]",
 766                         bta_hh_get_w4_event(p_cb->w4_evt));
 767 #endif
 768     hs_data.status  = BTA_HH_OK;
 769     hs_data.handle  = p_cb->hid_handle;
 770
 771     switch (p_cb->w4_evt)
 772     {
 773     case BTA_HH_GET_IDLE_EVT:
 774         hs_data.rsp_data.idle_rate = *data;
 775         break;
 776     case BTA_HH_GET_RPT_EVT:
 777         hs_data.rsp_data.p_rpt_data = pdata;
 778         break;
 779     case BTA_HH_GET_PROTO_EVT:
 780         /* match up BTE/BTA report/boot mode def*/
 781         hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \
 782                     BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE;
 783 #if BTA_HH_DEBUG
 784         APPL_TRACE_DEBUG("GET_PROTOCOL Mode = [%s]",
 785             (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot");
 786 #endif
 787         break;
 788     /* should not expect control DATA for SET_ transaction */
 789     case BTA_HH_SET_PROTO_EVT:
 790         /* fall through */
 791     case BTA_HH_SET_RPT_EVT:
 792         /* fall through */
 793     case BTA_HH_SET_IDLE_EVT :
 794         /* fall through */
 795     default:
 796 #if BTA_HH_DEBUG
 797         APPL_TRACE_DEBUG("invalid  transaction type for DATA payload: 4_evt[%s]",
 798                         bta_hh_get_w4_event(p_cb->w4_evt));
 799 #endif
 800         break;
 801     }
 802
 803     /* inform PM for mode change */
 804     bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
 805     bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
 806
 807     (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
 808
 809     p_cb->w4_evt = 0;
 810     utl_freebuf((void **)&pdata);
 811
 812 }
 813
 814 /*******************************************************************************
 815 **
 816 ** Function         bta_hh_open_failure
 817 **
 818 ** Description      report HID open failure when at wait for connection state and receive
 819 **                  device close event.
 820 **
 821 **
 822 ** Returns          void
 823 **
 824 *******************************************************************************/
 825 void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 826 {
 827     tBTA_HH_CONN            conn_dat ;
 828     UINT32                  reason = p_data->hid_cback.data;    /* Reason for closing (32-bit) */
 829
 830     memset(&conn_dat, 0, sizeof(tBTA_HH_CONN));
 831      conn_dat.handle = p_cb->hid_handle;
 832      conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ?
 833                                     BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
 834      bdcpy(conn_dat.bda, p_cb->addr);
 835      HID_HostCloseDev(p_cb->hid_handle);
 836
 837      /* Report OPEN fail event */
 838      (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
 839
 840 #if BTA_HH_DEBUG
 841     bta_hh_trace_dev_db();
 842 #endif
 843     /* clean up control block, but retain SDP info and device handle */
 844     p_cb->vp            = FALSE;
 845     p_cb->w4_evt        = 0;
 846
 847     /* if no connection is active and HH disable is signaled, disable service */
 848     if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
 849     {
 850         bta_hh_disc_cmpl();
 851     }
 852
 853 }
 854
 855 /*******************************************************************************
 856 **
 857 ** Function         bta_hh_close_act
 858 **
 859 ** Description      HID Host process a close event
 860 **
 861 **
 862 ** Returns          void
 863 **
 864 *******************************************************************************/
 865 void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 866 {
 867     tBTA_HH_CONN            conn_dat ;
 868     tBTA_HH_CBDATA          disc_dat = {BTA_HH_OK, 0};
 869     UINT32                  reason = p_data->hid_cback.data;    /* Reason for closing (32-bit) */
 870
 871     /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */
 872     UINT16     event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT;
 873
 874     disc_dat.handle = p_cb->hid_handle;
 875     disc_dat.status = p_data->hid_cback.data;
 876
 877     /* Check reason for closing */
 878     if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) ||  /* Failure to initialize connection (page timeout or l2cap error) */
 879         (reason == HID_ERR_AUTH_FAILED) ||                      /* Authenication error (while initiating) */
 880         (reason == HID_ERR_L2CAP_FAILED))                       /* Failure creating l2cap connection */
 881     {
 882         /* Failure in opening connection */
 883         conn_dat.handle = p_cb->hid_handle;
 884         conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
 885         bdcpy(conn_dat.bda, p_cb->addr);
 886         HID_HostCloseDev(p_cb->hid_handle);
 887
 888         /* Report OPEN fail event */
 889         (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
 890
 891 #if BTA_HH_DEBUG
 892         bta_hh_trace_dev_db();
 893 #endif
 894         return;
 895     }
 896     /* otherwise report CLOSE/VC_UNPLUG event */
 897     else
 898     {
 899         /* finaliza device driver */
 900         bta_hh_co_close(p_cb->hid_handle, p_cb->app_id);
 901         /* inform role manager */
 902         bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
 903         /* update total conn number */
 904         bta_hh_cb.cnt_num --;
 905
 906         if (disc_dat.status)
 907             disc_dat.status = BTA_HH_ERR;
 908
 909         (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat);
 910
 911         /* if virtually unplug, remove device */
 912         if (p_cb->vp )
 913         {
 914             HID_HostRemoveDev( p_cb->hid_handle);
 915             bta_hh_clean_up_kdev(p_cb);
 916         }
 917
 918 #if BTA_HH_DEBUG
 919         bta_hh_trace_dev_db();
 920 #endif
 921     }
 922
 923     /* clean up control block, but retain SDP info and device handle */
 924     p_cb->vp            = FALSE;
 925     p_cb->w4_evt        = 0;
 926
 927     /* if no connection is active and HH disable is signaled, disable service */
 928     if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
 929     {
 930         bta_hh_disc_cmpl();
 931     }
 932
 933     return;
 934 }
 935
 936 /*******************************************************************************
 937 **
 938 ** Function         bta_hh_get_dscp_act
 939 **
 940 ** Description      Get device report descriptor
 941 **
 942 **
 943 ** Returns          void
 944 **
 945 *******************************************************************************/
 946 void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 947 {
 948     UNUSED(p_data);
 949
 950 #if (BTA_HH_LE_INCLUDED == TRUE)
 951     if (p_cb->is_le_device)
 952     {
 953         bta_hh_le_get_dscp_act(p_cb);
 954     }
 955     else
 956 #endif
 957     (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info);
 958 }
 959
 960 /*******************************************************************************
 961 **
 962 ** Function         bta_hh_maint_dev_act
 963 **
 964 ** Description      HID Host maintain device list.
 965 **
 966 **
 967 ** Returns          void
 968 **
 969 *******************************************************************************/
 970 void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 971 {
 972     tBTA_HH_MAINT_DEV       *p_dev_info = &p_data->api_maintdev;
 973     tBTA_HH_DEV_INFO        dev_info ;
 974     UINT8                   dev_handle;
 975
 976     dev_info.status = BTA_HH_ERR;
 977     dev_info.handle = BTA_HH_INVALID_HANDLE;
 978
 979     switch (p_dev_info->sub_event)
 980     {
 981     case BTA_HH_ADD_DEV_EVT:    /* add a device */
 982         bdcpy(dev_info.bda, p_dev_info->bda);
 983         /* initialize callback data */
 984         if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
 985         {
 986 #if (BTA_HH_LE_INCLUDED == TRUE)
 987             if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
 988             {
 989                 dev_info.handle   = bta_hh_le_add_device(p_cb, p_dev_info);
 990                 dev_info.status   = BTA_HH_OK;
 991             }
 992             else
 993 #endif
 994
 995             if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\
 996                             == HID_SUCCESS)
 997             {
 998                 dev_info.handle   = dev_handle;
 999                 dev_info.status   = BTA_HH_OK;
1000
1001 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
1002                 /* update DI information */
1003                 bta_hh_update_di_info(p_cb,
1004                                       p_dev_info->dscp_info.vendor_id,
1005                                       p_dev_info->dscp_info.product_id,
1006                                       p_dev_info->dscp_info.version,
1007                                       p_dev_info->dscp_info.flag);
1008 #else
1009                 bta_hh_update_di_info(p_cb,
1010                                       p_dev_info->dscp_info.vendor_id,
1011                                       p_dev_info->dscp_info.product_id,
1012                                       p_dev_info->dscp_info.version,
1013                                       0);
1014
1015 #endif
1016                 /* add to BTA device list */
1017                 bta_hh_add_device_to_list(p_cb, dev_handle,
1018                                           p_dev_info->attr_mask,
1019                                           &p_dev_info->dscp_info.descriptor,
1020                                           p_dev_info->sub_class,
1021                                           p_dev_info->dscp_info.ssr_max_latency,
1022                                           p_dev_info->dscp_info.ssr_min_tout,
1023                                           p_dev_info->app_id);
1024                 /* update cb_index[] map */
1025                 bta_hh_cb.cb_index[dev_handle] = p_cb->index;
1026             }
1027         }
1028         else    /* device already been added */
1029         {
1030             dev_info.handle = p_cb->hid_handle;
1031             dev_info.status = BTA_HH_OK;
1032         }
1033 #if BTA_HH_DEBUG
1034         bta_hh_trace_dev_db();
1035 #endif
1036
1037         break;
1038     case BTA_HH_RMV_DEV_EVT:    /* remove device */
1039         dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific;
1040         bdcpy(dev_info.bda, p_cb->addr);
1041
1042 #if BTA_HH_LE_INCLUDED == TRUE
1043         if (p_cb->is_le_device)
1044         {
1045             bta_hh_le_remove_dev_bg_conn(p_cb);
1046             bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
1047             bta_hh_clean_up_kdev(p_cb);
1048         }
1049         else
1050 #endif
1051         {
1052             if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS)
1053             {
1054                 dev_info.status  = BTA_HH_OK;
1055
1056                 /* remove from known device list in BTA */
1057                 bta_hh_clean_up_kdev(p_cb);
1058             }
1059         }
1060         break;
1061
1062     default:
1063         APPL_TRACE_DEBUG("invalid command");
1064         break;
1065     }
1066
1067     (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info);
1068 }
1069 /*******************************************************************************
1070 **
1071 ** Function         bta_hh_write_dev_act
1072 **
1073 ** Description      Write device action. can be SET/GET/DATA transaction.
1074 **
1075 ** Returns          void
1076 **
1077 *******************************************************************************/
1078 void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
1079 {
1080     tBTA_HH_CBDATA     cbdata = {BTA_HH_OK, 0};
1081     UINT16  event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) +
1082                         BTA_HH_FST_TRANS_CB_EVT;
1083
1084 #if BTA_HH_LE_INCLUDED == TRUE
1085     if (p_cb->is_le_device)
1086         bta_hh_le_write_dev_act(p_cb, p_data);
1087     else
1088 #endif
1089     {
1090
1091     cbdata.handle = p_cb->hid_handle;
1092
1093     /* match up BTE/BTA report/boot mode def */
1094     if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL)
1095     {
1096         p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\
1097                         HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE;
1098     }
1099
1100     if (HID_HostWriteDev (p_cb->hid_handle,
1101                        p_data->api_sndcmd.t_type,
1102                        p_data->api_sndcmd.param,
1103                        p_data->api_sndcmd.data,
1104                        p_data->api_sndcmd.rpt_id,
1105                        p_data->api_sndcmd.p_data) != HID_SUCCESS)
1106     {
1107         APPL_TRACE_ERROR("HID_HostWriteDev Error ");
1108         cbdata.status = BTA_HH_ERR;
1109
1110         if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL &&
1111             p_data->api_sndcmd.t_type != HID_TRANS_DATA)
1112             (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata);
1113         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1114             (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata);
1115     }
1116     else
1117     {
1118
1119         switch(p_data->api_sndcmd.t_type)
1120         {
1121         case HID_TRANS_SET_PROTOCOL:
1122             /* fall through */
1123         case HID_TRANS_GET_REPORT:
1124             /* fall through */
1125         case HID_TRANS_SET_REPORT:
1126             /* fall through */
1127         case HID_TRANS_GET_PROTOCOL:
1128             /* fall through */
1129         case HID_TRANS_GET_IDLE:
1130             /* fall through */
1131         case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */
1132             p_cb->w4_evt = event;
1133             break;
1134         case HID_TRANS_DATA:  /* output report */
1135             /* fall through */
1136         case HID_TRANS_CONTROL:
1137             /* no handshake event will be generated */
1138             /* if VC_UNPLUG is issued, set flag */
1139             if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1140                 p_cb->vp = TRUE;
1141
1142             break;
1143         /* currently not expected */
1144         case HID_TRANS_DATAC:
1145         default:
1146             APPL_TRACE_DEBUG("bta_hh_write_dev_act:: cmd type = %d",
1147                             p_data->api_sndcmd.t_type);
1148             break;
1149         }
1150
1151         /* if not control type transaction, notify PM for energy control */
1152         if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL)
1153         {
1154             /* inform PM for mode change */
1155             bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1156             bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1157         }
1158         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND)
1159         {
1160                         bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1161         }
1162         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND)
1163         {
1164             bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1165         }
1166     }
1167
1168     }
1169     return;
1170 }
1171
1172 /*****************************************************************************
1173 **  Static Function
1174 *****************************************************************************/
1175 /*******************************************************************************
1176 **
1177 ** Function         bta_hh_cback
1178 **
1179 ** Description      BTA HH callback function.
1180 **
1181 **
1182 ** Returns          void
1183 **
1184 *******************************************************************************/
1185 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
1186                         UINT32 data, BT_HDR *pdata)
1187 {
1188     tBTA_HH_CBACK_DATA    *p_buf = NULL;
1189     UINT16  sm_event = BTA_HH_INVALID_EVT;
1190     UINT8   xx = 0;
1191
1192 #if BTA_HH_DEBUG
1193     APPL_TRACE_DEBUG("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event));
1194 #endif
1195
1196     switch (event)
1197     {
1198     case HID_HDEV_EVT_OPEN:
1199         sm_event = BTA_HH_INT_OPEN_EVT;
1200         break;
1201     case HID_HDEV_EVT_CLOSE:
1202         sm_event = BTA_HH_INT_CLOSE_EVT;
1203         break;
1204     case HID_HDEV_EVT_INTR_DATA:
1205         sm_event = BTA_HH_INT_DATA_EVT;
1206         break;
1207     case HID_HDEV_EVT_HANDSHAKE:
1208         sm_event = BTA_HH_INT_HANDSK_EVT;
1209         break;
1210     case HID_HDEV_EVT_CTRL_DATA:
1211         sm_event = BTA_HH_INT_CTRL_DATA;
1212         break;
1213     case HID_HDEV_EVT_RETRYING:
1214         break;
1215     case HID_HDEV_EVT_INTR_DATC:
1216     case HID_HDEV_EVT_CTRL_DATC:
1217         /* Unhandled events: Free buffer for DATAC */
1218         utl_freebuf((void **)&pdata);
1219         break;
1220     case HID_HDEV_EVT_VC_UNPLUG:
1221         for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx++)
1222         {
1223             if (bta_hh_cb.kdev[xx].hid_handle == dev_handle)
1224             {
1225                bta_hh_cb.kdev[xx].vp = TRUE;
1226                break;
1227             }
1228         }
1229         break;
1230     }
1231
1232     if (sm_event != BTA_HH_INVALID_EVT &&
1233         (p_buf = (tBTA_HH_CBACK_DATA *)osi_getbuf(sizeof(tBTA_HH_CBACK_DATA) +
1234                     sizeof(BT_HDR))) != NULL)
1235     {
1236         p_buf->hdr.event  = sm_event;
1237         p_buf->hdr.layer_specific = (UINT16)dev_handle;
1238         p_buf->data       = data;
1239         bdcpy(p_buf->addr, addr);
1240         p_buf->p_data     = pdata;
1241
1242         bta_sys_sendmsg(p_buf);
1243     }
1244
1245 }
1246 /*******************************************************************************
1247 **
1248 ** Function         bta_hh_get_trans_status
1249 **
1250 ** Description      translate a handshake result code into BTA HH
1251 **                  status code
1252 **
1253 *******************************************************************************/
1254 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result)
1255 {
1256     switch(result)
1257     {
1258     case HID_PAR_HANDSHAKE_RSP_SUCCESS :                /*   (0) */
1259         return BTA_HH_OK;
1260     case HID_PAR_HANDSHAKE_RSP_NOT_READY :              /*   (1) */
1261     case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID:      /*   (2) */
1262     case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ :    /*   (3) */
1263     case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM :      /*   (4) */
1264         return (tBTA_HH_STATUS)result;
1265     case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN :            /*   (14) */
1266     case HID_PAR_HANDSHAKE_RSP_ERR_FATAL  :             /*   (15) */
1267     default:
1268         return BTA_HH_HS_ERROR;
1269         break;
1270     }
1271 }
1272 /*****************************************************************************
1273 **  Debug Functions
1274 *****************************************************************************/
1275
1276 #if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE)
1277 static char* bta_hh_get_w4_event(UINT16 event)
1278 {
1279     switch (event)
1280     {
1281     case BTA_HH_GET_RPT_EVT:
1282         return "BTA_HH_GET_RPT_EVT";
1283     case BTA_HH_SET_RPT_EVT:
1284         return "BTA_HH_SET_RPT_EVT";
1285     case BTA_HH_GET_PROTO_EVT:
1286         return "BTA_HH_GET_PROTO_EVT";
1287     case BTA_HH_SET_PROTO_EVT:
1288         return "BTA_HH_SET_PROTO_EVT";
1289     case BTA_HH_GET_IDLE_EVT:
1290         return "BTA_HH_GET_IDLE_EVT";
1291     case BTA_HH_SET_IDLE_EVT:
1292         return "BTA_HH_SET_IDLE_EVT";
1293     case BTA_HH_OPEN_EVT:
1294         return "BTA_HH_OPEN_EVT";
1295     default:
1296         return "Unknown event";
1297     }
1298
1299 }
1300
1301 static char * bta_hh_hid_event_name(UINT16 event)
1302 {
1303     switch (event)
1304     {
1305     case HID_HDEV_EVT_OPEN:
1306         return "HID_HDEV_EVT_OPEN";
1307     case HID_HDEV_EVT_CLOSE:
1308         return "HID_HDEV_EVT_CLOSE";
1309     case HID_HDEV_EVT_RETRYING:
1310         return "HID_HDEV_EVT_RETRYING";
1311     case HID_HDEV_EVT_INTR_DATA:
1312         return "HID_HDEV_EVT_INTR_DATA";
1313     case HID_HDEV_EVT_INTR_DATC:
1314         return "HID_HDEV_EVT_INTR_DATC";
1315     case HID_HDEV_EVT_CTRL_DATA:
1316         return "HID_HDEV_EVT_CTRL_DATA";
1317     case HID_HDEV_EVT_CTRL_DATC:
1318         return "HID_HDEV_EVT_CTRL_DATC";
1319     case HID_HDEV_EVT_HANDSHAKE:
1320         return "HID_HDEV_EVT_HANDSHAKE";
1321     case HID_HDEV_EVT_VC_UNPLUG:
1322         return "HID_HDEV_EVT_VC_UNPLUG";
1323     default:
1324         return "Unknown HID event";
1325     }
1326 }
1327 #endif
1328 #endif /* BTA_HH_INCLUDED */
1329