text: /******************************************************************************
   *
   *  Copyright (C) 2009-2012 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.
   *
   ******************************************************************************/
  
  /******************************************************************************
   *
   *  Filename:      bte_main.c
   *
   *  Description:   Contains BTE core stack initialization and shutdown code
   *
   ******************************************************************************/
  
  
  #include "common/bt_defs.h"
  #include "common/bt_common_types.h"
  #include "common/bte.h"
  #include "stack/btu.h"
  #include "common/bt_trace.h"
  #include "osi/osi.h"
  #include "osi/alarm.h"
  #include "osi/hash_map.h"
  #include "osi/hash_functions.h"
  #include "device/controller.h"
  #include "hci/hci_layer.h"
  #include "bta/bta_api.h"
  
  /*******************************************************************************
  **  Constants & Macros
  *******************************************************************************/
  
  /******************************************************************************
  **  Variables
  ******************************************************************************/
  
  /*******************************************************************************
  **  Static variables
  *******************************************************************************/
  static const hci_t *hci;
  
  /*******************************************************************************
  **  Static functions
  *******************************************************************************/
  static void bte_main_disable(void);
  static void bte_main_enable(void);
  
  /*******************************************************************************
  **  Externs
  *******************************************************************************/
  
  bluedroid_init_done_cb_t bluedroid_init_done_cb;
  
  extern void osi_mem_dbg_init(void);
  /******************************************************************************
  **
  ** Function         bte_main_boot_entry
  **
  ** Description      BTE MAIN API - Entry point for BTE chip/stack initialization
  **
  ** Returns          None
  **
  ******************************************************************************/
  int bte_main_boot_entry(bluedroid_init_done_cb_t cb)
  {
      hci = hci_layer_get_interface();
      if (!hci) {
          APPL_TRACE_ERROR("%s could not get hci layer interface.\n", __func__);
          return -2;
      }
  
      bluedroid_init_done_cb = cb;
  
      osi_init();
  
      //Enbale HCI
      bte_main_enable();
  
      return 0;
  }
  
  /******************************************************************************
  **
  ** Function         bte_main_shutdown
  **
  ** Description      BTE MAIN API - Shutdown code for BTE chip/stack
  **
  ** Returns          None
  **
  ******************************************************************************/
  void bte_main_shutdown(void)
  {
  #if (BLE_INCLUDED == TRUE)
      BTA_VendorCleanup();
  #endif
      bte_main_disable();
  
      osi_deinit();
  }
  
  /******************************************************************************
  **
  ** Function         bte_main_enable
  **
  ** Description      BTE MAIN API - Creates all the BTE tasks. Should be called
  **                  part of the Bluetooth stack enable sequence
  **
  ** Returns          None
  **
  ******************************************************************************/
  static void bte_main_enable(void)
  {
      APPL_TRACE_DEBUG("Enable HCI\n");
  
          //Now Test Case Not Supported BTU
      BTU_StartUp();
      if (hci_start_up()) {
          APPL_TRACE_ERROR("Start HCI Host Layer Failure\n");
          return;
      }
  
  
  }
  
  /******************************************************************************
  **
  ** Function         bte_main_disable
  **
  ** Description      BTE MAIN API - Destroys all the BTE tasks. Should be called
  **                  part of the Bluetooth stack disable sequence
  **
  ** Returns          None
  **
  ******************************************************************************/
  static void bte_main_disable(void)
  {
      /*
          APPL_TRACE_DEBUG("%s", __FUNCTION__);
  
          module_shut_down(get_module(HCI_MODULE));
          module_shut_down(get_module(BTSNOOP_MODULE));
      */
  
      hci_shut_down();
  
      BTU_ShutDown();
  }
  
  /******************************************************************************
  **
  ** Function         bte_main_postload_cfg
  **
  ** Description      BTE MAIN API - Stack postload configuration
  **
  ** Returns          None
  **
  ******************************************************************************/
  void bte_main_postload_cfg(void)
  {
      hci->do_postload();
  }
  
  #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
  /******************************************************************************
  **
  ** Function         bte_main_enable_lpm
  **
  ** Description      BTE MAIN API - Enable/Disable low power mode operation
  **
  ** Returns          None
  **
  ******************************************************************************/
  void bte_main_enable_lpm(BOOLEAN enable)
  {
      /*Enable Low power ?*/
      //hci->send_low_power_command(enable ? LPM_ENABLE : LPM_DISABLE);
  }
  
  /******************************************************************************
  **
  ** Function         bte_main_lpm_allow_bt_device_sleep
  **
  ** Description      BTE MAIN API - Allow BT controller goest to sleep
  **
  ** Returns          None
  **
  ******************************************************************************/
  void bte_main_lpm_allow_bt_device_sleep(void)
  {
      /**/
      //hci->send_low_power_command(LPM_WAKE_DEASSERT);
  }
  
  /******************************************************************************
  **
  ** Function         bte_main_lpm_wake_bt_device
  **
  ** Description      BTE MAIN API - Wake BT controller up if it is in sleep mode
  **
  ** Returns          None
  **
  ******************************************************************************/
  void bte_main_lpm_wake_bt_device(void)
  {
      //hci->send_low_power_command(LPM_WAKE_ASSERT);
  }
  #endif  // HCILP_INCLUDED
  
  /******************************************************************************
  **
  ** Function         bte_main_hci_send
  **
  ** Description      BTE MAIN API - This function is called by the upper stack to
  **                  send an HCI message. The function displays a protocol trace
  **                  message (if enabled), and then calls the 'transmit' function
  **                  associated with the currently selected HCI transport
  **
  ** Returns          None
  **
  ******************************************************************************/
  void bte_main_hci_send (BT_HDR *p_msg, UINT16 event)
  {
      UINT16 sub_event = event & BT_SUB_EVT_MASK;  /* local controller ID */
  
      p_msg->event = event;
  
      //counter_add("main.tx.packets", 1);
      //counter_add("main.tx.bytes", p_msg->len);
  
      if ((sub_event == LOCAL_BR_EDR_CONTROLLER_ID) || \
              (sub_event == LOCAL_BLE_CONTROLLER_ID)) {
          hci->transmit_downward(event, p_msg);
      } else {
          //APPL_TRACE_ERROR("Invalid Controller ID. Discarding message.");
          osi_free(p_msg);
      }
  }
  