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     osi_free_and_reset((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         osi_free_and_reset((void **)&bta_hh_cb.p_disc_db);
 318         /* send SDP_CMPL_EVT into state machine */
 319         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 320     }
 321     return;
 322
 323 }
 324
 325
 326 /*******************************************************************************
 327 **
 328 ** Function         bta_hh_start_sdp
 329 **
 330 ** Description      Start SDP service search, and obtain necessary SDP records.
 331 **                  Only one SDP service search request is allowed at the same
 332 **                  time. For every BTA_HhOpen API call, do SDP first unless SDP
 333 **                  has been done previously.
 334 **
 335 ** Returns          void
 336 **
 337 *******************************************************************************/
 338 void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 339 {
 340     tBTA_HH_STATUS          status = BTA_HH_ERR_SDP;
 341     UINT8                   hdl;
 342
 343     p_cb->sec_mask  = p_data->api_conn.sec_mask;
 344     p_cb->mode      = p_data->api_conn.mode;
 345     bta_hh_cb.p_cur = p_cb;
 346
 347 #if (BTA_HH_LE_INCLUDED == TRUE)
 348     if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
 349     {
 350         bta_hh_le_open_conn(p_cb, p_data->api_conn.bd_addr);
 351         return;
 352     }
 353 #endif
 354
 355     /* if previously virtually cabled device, skip SDP */
 356     if (p_cb->app_id)
 357     {
 358         status = BTA_HH_OK;
 359 #if BTA_HH_DEBUG
 360         APPL_TRACE_DEBUG("bta_hh_start_sdp:: skip SDP for known devices");
 361 #endif
 362         if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
 363         {
 364             if (HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl) \
 365                 == HID_SUCCESS)
 366             {
 367                 /* update device CB with newly register device handle */
 368                 bta_hh_add_device_to_list(p_cb,  hdl, p_cb->attr_mask, NULL,
 369                                           p_cb->sub_class,
 370                                           p_cb->dscp_info.ssr_max_latency,
 371                                           p_cb->dscp_info.ssr_min_tout,
 372                                           p_cb->app_id);
 373                 /* update cb_index[] map */
 374                 bta_hh_cb.cb_index[hdl] = p_cb->index;
 375             }
 376             else
 377                 status = BTA_HH_ERR_NO_RES;
 378         }
 379         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 380
 381         return;
 382     }
 383     /* GetSDPRecord. at one time only one SDP precedure can be active */
 384     else if (!bta_hh_cb.p_disc_db)
 385     {
 386         bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *)osi_malloc(p_bta_hh_cfg->sdp_db_size);
 387         bta_hh_cb.p_cur = p_cb;
 388         /* do DI discovery first */
 389         if (SDP_DiDiscover(p_data->api_conn.bd_addr,
 390                            bta_hh_cb.p_disc_db,
 391                            p_bta_hh_cfg->sdp_db_size,
 392                            bta_hh_di_sdp_cback) != SDP_SUCCESS) {
 393 #if BTA_HH_DEBUG
 394             APPL_TRACE_DEBUG("bta_hh_start_sdp:  SDP_DiDiscover failed: \
 395                     Status 0x%2X",status);
 396 #endif
 397             status = BTA_HH_ERR_SDP;
 398             osi_free_and_reset((void **)&bta_hh_cb.p_disc_db);
 399         } else {
 400             status = BTA_HH_OK;
 401         }
 402     }
 403
 404     if (status != BTA_HH_OK)
 405         bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
 406
 407     return;
 408
 409 }
 410 /*******************************************************************************
 411 **
 412 ** Function         bta_hh_sdp_cmpl
 413 **
 414 ** Description      When SDP completed, initiate a connection or report error depend
 415 **                  on SDP result.
 416 **
 417 **
 418 ** Returns          void
 419 **
 420 *******************************************************************************/
 421 void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 422 {
 423     tBTA_HH_CONN            conn_dat;
 424     tBTA_HH_STATUS          status = p_data->status;
 425
 426 #if BTA_HH_DEBUG
 427     APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:  status 0x%2X",p_data->status);
 428 #endif
 429
 430     /* initialize call back data */
 431     memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN));
 432     conn_dat.handle = p_cb->hid_handle;
 433     bdcpy(conn_dat.bda, p_cb->addr);
 434
 435     /* if SDP compl success */
 436     if ( status == BTA_HH_OK)
 437     {
 438         /* not incoming connection doing SDP, initiate a HID connection */
 439         if (!p_cb->incoming_conn)
 440         {
 441             tHID_STATUS ret;
 442             /* set security level */
 443             HID_HostSetSecurityLevel("", p_cb->sec_mask);
 444
 445             /* open HID connection */
 446             ret = HID_HostOpenDev (p_cb->hid_handle);
 447             APPL_TRACE_DEBUG ("%s: HID_HostOpenDev returned=%d", __func__, ret);
 448             if (ret == HID_SUCCESS || ret == HID_ERR_ALREADY_CONN)
 449             {
 450                 status = BTA_HH_OK;
 451             }
 452             else if (ret == HID_ERR_CONN_IN_PROCESS)
 453             {
 454                 /* Connection already in progress, return from here, SDP
 455                  * will be performed after connection is completed.
 456                  */
 457                 APPL_TRACE_DEBUG ("%s: connection already in progress", __func__);
 458                 return;
 459             }
 460             else
 461             {
 462 #if BTA_HH_DEBUG
 463                 APPL_TRACE_DEBUG ("%s: HID_HostOpenDev failed: Status 0x%2X", __func__, ret);
 464 #endif
 465                 /* open fail, remove device from management device list */
 466                 HID_HostRemoveDev( p_cb->hid_handle);
 467                 status = BTA_HH_ERR;
 468             }
 469         }
 470         else /* incoming connection SDP finish */
 471         {
 472             bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL);
 473         }
 474     }
 475
 476     if (status != BTA_HH_OK)
 477     {
 478         /* Check if this was incoming connection request  from an unknown device
 479            **and connection failed due to missing HID Device SDP UUID
 480            **In above condition, disconnect the link as well as remove the
 481            **device from list of HID devices*/
 482         if ((status == BTA_HH_ERR_SDP) &&
 483            (p_cb->incoming_conn) &&(p_cb->app_id == 0))
 484         {
 485             APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:SDP failed for  incoming conn :hndl %d",
 486                                 p_cb->incoming_hid_handle);
 487             HID_HostRemoveDev( p_cb->incoming_hid_handle);
 488         }
 489         conn_dat.status = status;
 490         (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
 491
 492         /* move state machine W4_CONN ->IDLE */
 493         bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
 494
 495         /* if this is an outgoing connection to an unknown device, clean up cb */
 496         if (p_cb->app_id == 0 && !p_cb->incoming_conn)
 497         {
 498             /* clean up device control block */
 499             bta_hh_clean_up_kdev(p_cb);
 500         }
 501 #if BTA_HH_DEBUG
 502         bta_hh_trace_dev_db();
 503 #endif
 504     }
 505     return;
 506 }
 507
 508 /*******************************************************************************
 509 **
 510 ** Function         bta_hh_api_disc_act
 511 **
 512 ** Description      HID Host initiate a disconnection.
 513 **
 514 **
 515 ** Returns          void
 516 **
 517 *******************************************************************************/
 518 void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 519 {
 520     tBTA_HH_CBDATA    disc_dat;
 521     tHID_STATUS     status;
 522
 523 #if BTA_HH_LE_INCLUDED == TRUE
 524     if (p_cb->is_le_device)
 525         bta_hh_le_api_disc_act(p_cb);
 526     else
 527 #endif
 528     {
 529         /* found an active connection */
 530         disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle;
 531         disc_dat.status = BTA_HH_ERR;
 532
 533         status = HID_HostCloseDev(disc_dat.handle);
 534
 535         if (status)
 536             (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat);
 537     }
 538
 539     return;
 540
 541 }
 542 /*******************************************************************************
 543 **
 544 ** Function         bta_hh_open_cmpl_act
 545 **
 546 ** Description      HID host connection completed
 547 **
 548 **
 549 ** Returns          void
 550 **
 551 *******************************************************************************/
 552 void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 553 {
 554     tBTA_HH_CONN        conn ;
 555     UINT8   dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
 556                         p_cb->hid_handle;
 557
 558     memset((void *)&conn, 0, sizeof (tBTA_HH_CONN));
 559     conn.handle = dev_handle;
 560     bdcpy(conn.bda, p_cb->addr);
 561
 562     /* increase connection number */
 563     bta_hh_cb.cnt_num ++;
 564
 565     /* initialize device driver */
 566     bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class,
 567                        p_cb->attr_mask,  p_cb->app_id);
 568
 569 #if (BTA_HH_LE_INCLUDED == TRUE)
 570     conn.status = p_cb->status;
 571     conn.le_hid = p_cb->is_le_device;
 572     conn.scps_supported = p_cb->scps_supported;
 573
 574     if (!p_cb->is_le_device)
 575 #endif
 576     {
 577         /* inform role manager */
 578         bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
 579     }
 580     /* set protocol mode when not default report mode */
 581     if ( p_cb->mode != BTA_HH_PROTO_RPT_MODE
 582 #if (BTA_HH_LE_INCLUDED == TRUE)
 583          && !p_cb->is_le_device
 584 #endif
 585         )
 586     {
 587         if ((HID_HostWriteDev(dev_handle,
 588                               HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE,
 589                               0,
 590                               0, NULL)) != HID_SUCCESS)
 591         {
 592             /* HID connection is up, while SET_PROTO fail */
 593             conn.status = BTA_HH_ERR_PROTO;
 594             (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
 595         }
 596         else
 597         {
 598             conn.status = BTA_HH_OK;
 599             p_cb->w4_evt = BTA_HH_OPEN_EVT;
 600         }
 601     }
 602     else
 603         (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn);
 604
 605     p_cb->incoming_conn = FALSE;
 606     p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE;
 607
 608 }
 609 /*******************************************************************************
 610 **
 611 ** Function         bta_hh_open_act
 612 **
 613 ** Description      HID host receive HID_OPEN_EVT .
 614 **
 615 **
 616 ** Returns          void
 617 **
 618 *******************************************************************************/
 619 void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 620 {
 621     tBTA_HH_API_CONN    conn_data;
 622
 623     UINT8   dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \
 624                         p_cb->hid_handle;
 625
 626 #if BTA_HH_DEBUG
 627     APPL_TRACE_EVENT ("bta_hh_open_act:  Device[%d] connected", dev_handle);
 628 #endif
 629
 630     /* SDP has been done */
 631     if (p_cb->app_id != 0)
 632     {
 633         bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data);
 634     }
 635     else
 636     /*  app_id == 0 indicates an incoming conenction request arrives without SDP
 637         performed, do it first */
 638     {
 639         p_cb->incoming_conn = TRUE;
 640         /* store the handle here in case sdp fails - need to disconnect */
 641         p_cb->incoming_hid_handle = dev_handle;
 642
 643         memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN));
 644         bdcpy(conn_data.bd_addr, p_cb->addr);
 645         bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data);
 646     }
 647
 648     return;
 649 }
 650
 651
 652 /*******************************************************************************
 653 **
 654 ** Function         bta_hh_data_act
 655 **
 656 ** Description      HID Host process a data report
 657 **
 658 **
 659 ** Returns          void
 660 **
 661 *******************************************************************************/
 662 void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
 663 {
 664     BT_HDR  *pdata = p_data->hid_cback.p_data;
 665     UINT8   *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset;
 666
 667     bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len,
 668                     p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id);
 669
 670     osi_free_and_reset((void **)&pdata);
 671 }
 672
 673
 674 /*******************************************************************************
 675 **
 676 ** Function         bta_hh_handsk_act
 677 **
 678 ** Description      HID Host process a handshake acknoledgement.
 679 **
 680 **
 681 ** Returns          void
 682 **
 683 *******************************************************************************/
 684 void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
 685 {
 686     tBTA_HH_CBDATA  cback_data ;
 687     tBTA_HH_HSDATA  hs_data;
 688     tBTA_HH_CONN    conn ;
 689
 690 #if BTA_HH_DEBUG
 691     APPL_TRACE_DEBUG("HANDSHAKE received for: event = %s data= %d",
 692         bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data);
 693 #endif
 694
 695     memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA));
 696     memset(&cback_data, 0, sizeof(tBTA_HH_CBDATA));
 697
 698     switch (p_cb->w4_evt)
 699     {
 700         /* GET_ transsaction, handshake indicate unsupported request */
 701         case BTA_HH_GET_PROTO_EVT:
 702             hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN;
 703             /* fall through */
 704         case BTA_HH_GET_RPT_EVT:
 705         case BTA_HH_GET_IDLE_EVT :
 706             hs_data.handle = p_cb->hid_handle;
 707             /* if handshake gives an OK code for these transaction, fill in UNSUPT */
 708             if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK)
 709                  hs_data.status = BTA_HH_HS_TRANS_NOT_SPT;
 710
 711             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
 712             p_cb->w4_evt = 0;
 713             break;
 714
 715         /* acknoledgement from HID device for SET_ transaction */
 716         case BTA_HH_SET_RPT_EVT:
 717         case BTA_HH_SET_PROTO_EVT:
 718         case BTA_HH_SET_IDLE_EVT :
 719             cback_data.handle  = p_cb->hid_handle;
 720             cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data);
 721             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data);
 722             p_cb->w4_evt = 0;
 723             break;
 724
 725         /* SET_PROTOCOL when open connection */
 726         case BTA_HH_OPEN_EVT:
 727             conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK;
 728             conn.handle = p_cb->hid_handle;
 729             bdcpy(conn.bda, p_cb->addr);
 730             (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn);
 731 #if BTA_HH_DEBUG
 732             bta_hh_trace_dev_db();
 733 #endif
 734             p_cb->w4_evt = 0;
 735             break;
 736
 737         default:
 738             /* unknow transaction handshake response */
 739             APPL_TRACE_DEBUG("unknown transaction type");
 740             break;
 741     }
 742
 743     /* transaction achknoledgement received, inform PM for mode change */
 744     bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
 745     return;
 746 }
 747 /*******************************************************************************
 748 **
 749 ** Function         bta_hh_ctrl_dat_act
 750 **
 751 ** Description      HID Host process a data report from control channel.
 752 **
 753 **
 754 ** Returns          void
 755 **
 756 *******************************************************************************/
 757 void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data)
 758 {
 759     BT_HDR          *pdata = p_data->hid_cback.p_data;
 760     UINT8           *data = (UINT8 *)(pdata + 1) + pdata->offset;
 761     tBTA_HH_HSDATA    hs_data;
 762
 763 #if BTA_HH_DEBUG
 764     APPL_TRACE_DEBUG("Ctrl DATA received w4: event[%s]",
 765                         bta_hh_get_w4_event(p_cb->w4_evt));
 766 #endif
 767     hs_data.status  = BTA_HH_OK;
 768     hs_data.handle  = p_cb->hid_handle;
 769
 770     switch (p_cb->w4_evt)
 771     {
 772     case BTA_HH_GET_IDLE_EVT:
 773         hs_data.rsp_data.idle_rate = *data;
 774         break;
 775     case BTA_HH_GET_RPT_EVT:
 776         hs_data.rsp_data.p_rpt_data = pdata;
 777         break;
 778     case BTA_HH_GET_PROTO_EVT:
 779         /* match up BTE/BTA report/boot mode def*/
 780         hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \
 781                     BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE;
 782 #if BTA_HH_DEBUG
 783         APPL_TRACE_DEBUG("GET_PROTOCOL Mode = [%s]",
 784             (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot");
 785 #endif
 786         break;
 787     /* should not expect control DATA for SET_ transaction */
 788     case BTA_HH_SET_PROTO_EVT:
 789         /* fall through */
 790     case BTA_HH_SET_RPT_EVT:
 791         /* fall through */
 792     case BTA_HH_SET_IDLE_EVT :
 793         /* fall through */
 794     default:
 795 #if BTA_HH_DEBUG
 796         APPL_TRACE_DEBUG("invalid  transaction type for DATA payload: 4_evt[%s]",
 797                         bta_hh_get_w4_event(p_cb->w4_evt));
 798 #endif
 799         break;
 800     }
 801
 802     /* inform PM for mode change */
 803     bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
 804     bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
 805
 806     (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data);
 807
 808     p_cb->w4_evt = 0;
 809     osi_free_and_reset((void **)&pdata);
 810
 811 }
 812
 813 /*******************************************************************************
 814 **
 815 ** Function         bta_hh_open_failure
 816 **
 817 ** Description      report HID open failure when at wait for connection state and receive
 818 **                  device close event.
 819 **
 820 **
 821 ** Returns          void
 822 **
 823 *******************************************************************************/
 824 void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 825 {
 826     tBTA_HH_CONN            conn_dat ;
 827     UINT32                  reason = p_data->hid_cback.data;    /* Reason for closing (32-bit) */
 828
 829     memset(&conn_dat, 0, sizeof(tBTA_HH_CONN));
 830      conn_dat.handle = p_cb->hid_handle;
 831      conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ?
 832                                     BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
 833      bdcpy(conn_dat.bda, p_cb->addr);
 834      HID_HostCloseDev(p_cb->hid_handle);
 835
 836      /* Report OPEN fail event */
 837      (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
 838
 839 #if BTA_HH_DEBUG
 840     bta_hh_trace_dev_db();
 841 #endif
 842     /* clean up control block, but retain SDP info and device handle */
 843     p_cb->vp            = FALSE;
 844     p_cb->w4_evt        = 0;
 845
 846     /* if no connection is active and HH disable is signaled, disable service */
 847     if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
 848     {
 849         bta_hh_disc_cmpl();
 850     }
 851
 852     /* Error in opening hid connection, reset flags */
 853     p_cb->incoming_conn = FALSE;
 854     p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE;
 855 }
 856
 857 /*******************************************************************************
 858 **
 859 ** Function         bta_hh_close_act
 860 **
 861 ** Description      HID Host process a close event
 862 **
 863 **
 864 ** Returns          void
 865 **
 866 *******************************************************************************/
 867 void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 868 {
 869     tBTA_HH_CONN            conn_dat ;
 870     tBTA_HH_CBDATA          disc_dat = {BTA_HH_OK, 0};
 871     UINT32                  reason = p_data->hid_cback.data;    /* Reason for closing (32-bit) */
 872
 873     /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */
 874     UINT16     event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT;
 875
 876     disc_dat.handle = p_cb->hid_handle;
 877     disc_dat.status = p_data->hid_cback.data;
 878
 879     /* Check reason for closing */
 880     if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) ||  /* Failure to initialize connection (page timeout or l2cap error) */
 881         (reason == HID_ERR_AUTH_FAILED) ||                      /* Authenication error (while initiating) */
 882         (reason == HID_ERR_L2CAP_FAILED))                       /* Failure creating l2cap connection */
 883     {
 884         /* Failure in opening connection */
 885         conn_dat.handle = p_cb->hid_handle;
 886         conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR;
 887         bdcpy(conn_dat.bda, p_cb->addr);
 888         HID_HostCloseDev(p_cb->hid_handle);
 889
 890         /* Report OPEN fail event */
 891         (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat);
 892
 893 #if BTA_HH_DEBUG
 894         bta_hh_trace_dev_db();
 895 #endif
 896         return;
 897     }
 898     /* otherwise report CLOSE/VC_UNPLUG event */
 899     else
 900     {
 901         /* finaliza device driver */
 902         bta_hh_co_close(p_cb->hid_handle, p_cb->app_id);
 903         /* inform role manager */
 904         bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr);
 905         /* update total conn number */
 906         bta_hh_cb.cnt_num --;
 907
 908         if (disc_dat.status)
 909             disc_dat.status = BTA_HH_ERR;
 910
 911         (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat);
 912
 913         /* if virtually unplug, remove device */
 914         if (p_cb->vp )
 915         {
 916             HID_HostRemoveDev( p_cb->hid_handle);
 917             bta_hh_clean_up_kdev(p_cb);
 918         }
 919
 920 #if BTA_HH_DEBUG
 921         bta_hh_trace_dev_db();
 922 #endif
 923     }
 924
 925     /* clean up control block, but retain SDP info and device handle */
 926     p_cb->vp            = FALSE;
 927     p_cb->w4_evt        = 0;
 928
 929     /* if no connection is active and HH disable is signaled, disable service */
 930     if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable)
 931     {
 932         bta_hh_disc_cmpl();
 933     }
 934
 935     return;
 936 }
 937
 938 /*******************************************************************************
 939 **
 940 ** Function         bta_hh_get_dscp_act
 941 **
 942 ** Description      Get device report descriptor
 943 **
 944 **
 945 ** Returns          void
 946 **
 947 *******************************************************************************/
 948 void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 949 {
 950     UNUSED(p_data);
 951
 952 #if (BTA_HH_LE_INCLUDED == TRUE)
 953     if (p_cb->is_le_device)
 954     {
 955         bta_hh_le_get_dscp_act(p_cb);
 956     }
 957     else
 958 #endif
 959     (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info);
 960 }
 961
 962 /*******************************************************************************
 963 **
 964 ** Function         bta_hh_maint_dev_act
 965 **
 966 ** Description      HID Host maintain device list.
 967 **
 968 **
 969 ** Returns          void
 970 **
 971 *******************************************************************************/
 972 void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
 973 {
 974     tBTA_HH_MAINT_DEV       *p_dev_info = &p_data->api_maintdev;
 975     tBTA_HH_DEV_INFO        dev_info ;
 976     UINT8                   dev_handle;
 977
 978     dev_info.status = BTA_HH_ERR;
 979     dev_info.handle = BTA_HH_INVALID_HANDLE;
 980
 981     switch (p_dev_info->sub_event)
 982     {
 983     case BTA_HH_ADD_DEV_EVT:    /* add a device */
 984         bdcpy(dev_info.bda, p_dev_info->bda);
 985         /* initialize callback data */
 986         if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
 987         {
 988 #if (BTA_HH_LE_INCLUDED == TRUE)
 989             if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
 990             {
 991                 dev_info.handle   = bta_hh_le_add_device(p_cb, p_dev_info);
 992                 dev_info.status   = BTA_HH_OK;
 993             }
 994             else
 995 #endif
 996
 997             if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\
 998                             == HID_SUCCESS)
 999             {
1000                 dev_info.handle   = dev_handle;
1001                 dev_info.status   = BTA_HH_OK;
1002
1003 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
1004                 /* update DI information */
1005                 bta_hh_update_di_info(p_cb,
1006                                       p_dev_info->dscp_info.vendor_id,
1007                                       p_dev_info->dscp_info.product_id,
1008                                       p_dev_info->dscp_info.version,
1009                                       p_dev_info->dscp_info.flag);
1010 #else
1011                 bta_hh_update_di_info(p_cb,
1012                                       p_dev_info->dscp_info.vendor_id,
1013                                       p_dev_info->dscp_info.product_id,
1014                                       p_dev_info->dscp_info.version,
1015                                       0);
1016
1017 #endif
1018                 /* add to BTA device list */
1019                 bta_hh_add_device_to_list(p_cb, dev_handle,
1020                                           p_dev_info->attr_mask,
1021                                           &p_dev_info->dscp_info.descriptor,
1022                                           p_dev_info->sub_class,
1023                                           p_dev_info->dscp_info.ssr_max_latency,
1024                                           p_dev_info->dscp_info.ssr_min_tout,
1025                                           p_dev_info->app_id);
1026                 /* update cb_index[] map */
1027                 bta_hh_cb.cb_index[dev_handle] = p_cb->index;
1028             }
1029         }
1030         else    /* device already been added */
1031         {
1032             dev_info.handle = p_cb->hid_handle;
1033             dev_info.status = BTA_HH_OK;
1034         }
1035 #if BTA_HH_DEBUG
1036         bta_hh_trace_dev_db();
1037 #endif
1038
1039         break;
1040     case BTA_HH_RMV_DEV_EVT:    /* remove device */
1041         dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific;
1042         bdcpy(dev_info.bda, p_cb->addr);
1043
1044 #if BTA_HH_LE_INCLUDED == TRUE
1045         if (p_cb->is_le_device)
1046         {
1047             bta_hh_le_remove_dev_bg_conn(p_cb);
1048             bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL);
1049             bta_hh_clean_up_kdev(p_cb);
1050         }
1051         else
1052 #endif
1053         {
1054             if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS)
1055             {
1056                 dev_info.status  = BTA_HH_OK;
1057
1058                 /* remove from known device list in BTA */
1059                 bta_hh_clean_up_kdev(p_cb);
1060             }
1061         }
1062         break;
1063
1064     default:
1065         APPL_TRACE_DEBUG("invalid command");
1066         break;
1067     }
1068
1069     (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info);
1070 }
1071 /*******************************************************************************
1072 **
1073 ** Function         bta_hh_write_dev_act
1074 **
1075 ** Description      Write device action. can be SET/GET/DATA transaction.
1076 **
1077 ** Returns          void
1078 **
1079 *******************************************************************************/
1080 void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
1081 {
1082     tBTA_HH_CBDATA     cbdata = {BTA_HH_OK, 0};
1083     UINT16  event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) +
1084                         BTA_HH_FST_TRANS_CB_EVT;
1085
1086 #if BTA_HH_LE_INCLUDED == TRUE
1087     if (p_cb->is_le_device)
1088         bta_hh_le_write_dev_act(p_cb, p_data);
1089     else
1090 #endif
1091     {
1092
1093     cbdata.handle = p_cb->hid_handle;
1094
1095     /* match up BTE/BTA report/boot mode def */
1096     if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL)
1097     {
1098         p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\
1099                         HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE;
1100     }
1101
1102     if (HID_HostWriteDev (p_cb->hid_handle,
1103                        p_data->api_sndcmd.t_type,
1104                        p_data->api_sndcmd.param,
1105                        p_data->api_sndcmd.data,
1106                        p_data->api_sndcmd.rpt_id,
1107                        p_data->api_sndcmd.p_data) != HID_SUCCESS)
1108     {
1109         APPL_TRACE_ERROR("HID_HostWriteDev Error ");
1110         cbdata.status = BTA_HH_ERR;
1111
1112         if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL &&
1113             p_data->api_sndcmd.t_type != HID_TRANS_DATA)
1114             (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata);
1115         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1116             (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata);
1117     }
1118     else
1119     {
1120
1121         switch(p_data->api_sndcmd.t_type)
1122         {
1123         case HID_TRANS_SET_PROTOCOL:
1124             /* fall through */
1125         case HID_TRANS_GET_REPORT:
1126             /* fall through */
1127         case HID_TRANS_SET_REPORT:
1128             /* fall through */
1129         case HID_TRANS_GET_PROTOCOL:
1130             /* fall through */
1131         case HID_TRANS_GET_IDLE:
1132             /* fall through */
1133         case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */
1134             p_cb->w4_evt = event;
1135             break;
1136         case HID_TRANS_DATA:  /* output report */
1137             /* fall through */
1138         case HID_TRANS_CONTROL:
1139             /* no handshake event will be generated */
1140             /* if VC_UNPLUG is issued, set flag */
1141             if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
1142                 p_cb->vp = TRUE;
1143
1144             break;
1145         /* currently not expected */
1146         case HID_TRANS_DATAC:
1147         default:
1148             APPL_TRACE_DEBUG("bta_hh_write_dev_act:: cmd type = %d",
1149                             p_data->api_sndcmd.t_type);
1150             break;
1151         }
1152
1153         /* if not control type transaction, notify PM for energy control */
1154         if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL)
1155         {
1156             /* inform PM for mode change */
1157             bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1158             bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1159         }
1160         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND)
1161         {
1162                         bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1163         }
1164         else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND)
1165         {
1166             bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr);
1167         }
1168     }
1169
1170     }
1171     return;
1172 }
1173
1174 /*****************************************************************************
1175 **  Static Function
1176 *****************************************************************************/
1177 /*******************************************************************************
1178 **
1179 ** Function         bta_hh_cback
1180 **
1181 ** Description      BTA HH callback function.
1182 **
1183 **
1184 ** Returns          void
1185 **
1186 *******************************************************************************/
1187 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event,
1188                         UINT32 data, BT_HDR *pdata)
1189 {
1190     UINT16  sm_event = BTA_HH_INVALID_EVT;
1191     UINT8   xx = 0;
1192
1193 #if BTA_HH_DEBUG
1194     APPL_TRACE_DEBUG("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event));
1195 #endif
1196
1197     switch (event)
1198     {
1199     case HID_HDEV_EVT_OPEN:
1200         sm_event = BTA_HH_INT_OPEN_EVT;
1201         break;
1202     case HID_HDEV_EVT_CLOSE:
1203         sm_event = BTA_HH_INT_CLOSE_EVT;
1204         break;
1205     case HID_HDEV_EVT_INTR_DATA:
1206         sm_event = BTA_HH_INT_DATA_EVT;
1207         break;
1208     case HID_HDEV_EVT_HANDSHAKE:
1209         sm_event = BTA_HH_INT_HANDSK_EVT;
1210         break;
1211     case HID_HDEV_EVT_CTRL_DATA:
1212         sm_event = BTA_HH_INT_CTRL_DATA;
1213         break;
1214     case HID_HDEV_EVT_RETRYING:
1215         break;
1216     case HID_HDEV_EVT_INTR_DATC:
1217     case HID_HDEV_EVT_CTRL_DATC:
1218         /* Unhandled events: Free buffer for DATAC */
1219         osi_free_and_reset((void **)&pdata);
1220         break;
1221     case HID_HDEV_EVT_VC_UNPLUG:
1222         for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx++)
1223         {
1224             if (bta_hh_cb.kdev[xx].hid_handle == dev_handle)
1225             {
1226                bta_hh_cb.kdev[xx].vp = TRUE;
1227                break;
1228             }
1229         }
1230         break;
1231     }
1232
1233     if (sm_event != BTA_HH_INVALID_EVT) {
1234         tBTA_HH_CBACK_DATA *p_buf =
1235             (tBTA_HH_CBACK_DATA *)osi_malloc(sizeof(tBTA_HH_CBACK_DATA) +
1236                                              sizeof(BT_HDR));
1237         p_buf->hdr.event = sm_event;
1238         p_buf->hdr.layer_specific = (UINT16)dev_handle;
1239         p_buf->data = data;
1240         bdcpy(p_buf->addr, addr);
1241         p_buf->p_data = pdata;
1242
1243         bta_sys_sendmsg(p_buf);
1244     }
1245 }
1246
1247 /*******************************************************************************
1248 **
1249 ** Function         bta_hh_get_trans_status
1250 **
1251 ** Description      translate a handshake result code into BTA HH
1252 **                  status code
1253 **
1254 *******************************************************************************/
1255 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result)
1256 {
1257     switch(result)
1258     {
1259     case HID_PAR_HANDSHAKE_RSP_SUCCESS :                /*   (0) */
1260         return BTA_HH_OK;
1261     case HID_PAR_HANDSHAKE_RSP_NOT_READY :              /*   (1) */
1262     case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID:      /*   (2) */
1263     case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ :    /*   (3) */
1264     case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM :      /*   (4) */
1265         return (tBTA_HH_STATUS)result;
1266     case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN :            /*   (14) */
1267     case HID_PAR_HANDSHAKE_RSP_ERR_FATAL  :             /*   (15) */
1268     default:
1269         return BTA_HH_HS_ERROR;
1270         break;
1271     }
1272 }
1273 /*****************************************************************************
1274 **  Debug Functions
1275 *****************************************************************************/
1276
1277 #if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE)
1278 static char* bta_hh_get_w4_event(UINT16 event)
1279 {
1280     switch (event)
1281     {
1282     case BTA_HH_GET_RPT_EVT:
1283         return "BTA_HH_GET_RPT_EVT";
1284     case BTA_HH_SET_RPT_EVT:
1285         return "BTA_HH_SET_RPT_EVT";
1286     case BTA_HH_GET_PROTO_EVT:
1287         return "BTA_HH_GET_PROTO_EVT";
1288     case BTA_HH_SET_PROTO_EVT:
1289         return "BTA_HH_SET_PROTO_EVT";
1290     case BTA_HH_GET_IDLE_EVT:
1291         return "BTA_HH_GET_IDLE_EVT";
1292     case BTA_HH_SET_IDLE_EVT:
1293         return "BTA_HH_SET_IDLE_EVT";
1294     case BTA_HH_OPEN_EVT:
1295         return "BTA_HH_OPEN_EVT";
1296     default:
1297         return "Unknown event";
1298     }
1299
1300 }
1301
1302 static char * bta_hh_hid_event_name(UINT16 event)
1303 {
1304     switch (event)
1305     {
1306     case HID_HDEV_EVT_OPEN:
1307         return "HID_HDEV_EVT_OPEN";
1308     case HID_HDEV_EVT_CLOSE:
1309         return "HID_HDEV_EVT_CLOSE";
1310     case HID_HDEV_EVT_RETRYING:
1311         return "HID_HDEV_EVT_RETRYING";
1312     case HID_HDEV_EVT_INTR_DATA:
1313         return "HID_HDEV_EVT_INTR_DATA";
1314     case HID_HDEV_EVT_INTR_DATC:
1315         return "HID_HDEV_EVT_INTR_DATC";
1316     case HID_HDEV_EVT_CTRL_DATA:
1317         return "HID_HDEV_EVT_CTRL_DATA";
1318     case HID_HDEV_EVT_CTRL_DATC:
1319         return "HID_HDEV_EVT_CTRL_DATC";
1320     case HID_HDEV_EVT_HANDSHAKE:
1321         return "HID_HDEV_EVT_HANDSHAKE";
1322     case HID_HDEV_EVT_VC_UNPLUG:
1323         return "HID_HDEV_EVT_VC_UNPLUG";
1324     default:
1325         return "Unknown HID event";
1326     }
1327 }
1328 #endif
1329 #endif /* BTA_HH_INCLUDED */
1330