text: /******************************************************************************
   *
   *  Copyright (C) 2002-2012 Broadcom Corporation
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at:
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   ******************************************************************************/
  
  /******************************************************************************
   *
   *  This file contains the definition of the btm control block when
   *  BTM_DYNAMIC_MEMORY is used.
   *
   ******************************************************************************/
  
  #include "stack/bt_types.h"
  #include "common/bt_target.h"
  #include <string.h>
  #include "btm_int.h"
  #include "osi/allocator.h"
  
  /* Global BTM control block structure
  */
  #if BTM_DYNAMIC_MEMORY == FALSE
  tBTM_CB  btm_cb;
  #else
  tBTM_CB  *btm_cb_ptr;
  #endif
  
  /*******************************************************************************
  **
  ** Function         btm_init
  **
  ** Description      This function is called at BTM startup to allocate the
  **                  control block (if using dynamic memory), and initializes the
  **                  tracing level.  It then initializes the various components of
  **                  btm.
  **
  ** Returns          void
  **
  *******************************************************************************/
  void btm_init (void)
  {
  #if BTM_DYNAMIC_MEMORY
      btm_cb_ptr = (tBTM_CB *)osi_malloc(sizeof(tBTM_CB));
  #endif /* #if BTM_DYNAMIC_MEMORY */
      /* All fields are cleared; nonzero fields are reinitialized in appropriate function */
      memset(&btm_cb, 0, sizeof(tBTM_CB));
      btm_cb.page_queue = fixed_queue_new(SIZE_MAX);
      btm_cb.sec_pending_q = fixed_queue_new(SIZE_MAX);
  
  #if defined(BTM_INITIAL_TRACE_LEVEL)
      btm_cb.trace_level = BTM_INITIAL_TRACE_LEVEL;
  #else
      btm_cb.trace_level = BT_TRACE_LEVEL_NONE;
  #endif
      /* Initialize BTM component structures */
      btm_inq_db_init();                  /* Inquiry Database and Structures */
      btm_acl_init();                     /* ACL Database and Structures */
  #if (SMP_INCLUDED == TRUE)
      btm_sec_init(BTM_SEC_MODE_SP);      /* Security Manager Database and Structures */
  #endif  ///SMP_INCLUDED == TRUE
  #if BTM_SCO_INCLUDED == TRUE
      btm_sco_init();                     /* SCO Database and Structures (If included) */
  #endif
  
      btm_dev_init();                     /* Device Manager Structures & HCI_Reset */
  }
  
  
  /*******************************************************************************
  **
  ** Function         btm_free
  **
  ** Description      This function is called at btu core free the fixed queue
  **
  ** Returns          void
  **
  *******************************************************************************/
  void btm_free(void)
  {
      fixed_queue_free(btm_cb.page_queue, osi_free_func);
      fixed_queue_free(btm_cb.sec_pending_q, osi_free_func);
  #if BTM_DYNAMIC_MEMORY
      FREE_AND_RESET(btm_cb_ptr);
  #endif
  }
  