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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2003-2012 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 is the private interface file for the BTA system manager.
     22  *
     23  ******************************************************************************/
     24 #ifndef BTA_SYS_INT_H
     25 #define BTA_SYS_INT_H
     26 
     27 /*****************************************************************************
     28  *  Constants and data types
     29  ****************************************************************************/
     30 
     31 /*****************************************************************************
     32  *  state table
     33  ****************************************************************************/
     34 
     35 /* SYS HW state */
     36 enum {
     37   BTA_SYS_HW_OFF,
     38   BTA_SYS_HW_STARTING,
     39   BTA_SYS_HW_ON,
     40   BTA_SYS_HW_STOPPING
     41 };
     42 typedef uint8_t tBTA_SYS_HW_STATE;
     43 
     44 /* Collision callback */
     45 #define MAX_COLLISION_REG 5
     46 
     47 typedef struct {
     48   uint8_t id[MAX_COLLISION_REG];
     49   tBTA_SYS_CONN_CBACK* p_coll_cback[MAX_COLLISION_REG];
     50 } tBTA_SYS_COLLISION;
     51 
     52 /* system manager control block */
     53 typedef struct {
     54   tBTA_SYS_REG* reg[BTA_ID_MAX]; /* registration structures */
     55   bool is_reg[BTA_ID_MAX];       /* registration structures */
     56   tBTA_SYS_HW_STATE state;
     57   tBTA_SYS_HW_CBACK* sys_hw_cback[BTA_SYS_MAX_HW_MODULES]; /* enable callback
     58                                                               for each HW
     59                                                               modules */
     60   uint32_t sys_hw_module_active; /* bitmask of all active modules */
     61   uint16_t sys_features;         /* Bitmask of sys features */
     62 
     63   tBTA_SYS_CONN_CBACK* prm_cb; /* role management callback registered by DM */
     64   tBTA_SYS_CONN_CBACK*
     65       ppm_cb; /* low power management callback registered by DM */
     66   tBTA_SYS_CONN_CBACK*
     67       p_policy_cb; /* link policy change callback registered by DM */
     68   tBTA_SYS_CONN_CBACK*
     69       p_sco_cb; /* SCO connection change callback registered by AV */
     70   tBTA_SYS_CONN_CBACK* p_role_cb; /* role change callback registered by AV */
     71   tBTA_SYS_COLLISION colli_reg;   /* collision handling module */
     72 #if (BTA_EIR_CANNED_UUID_LIST != TRUE)
     73   tBTA_SYS_EIR_CBACK* eir_cb; /* add/remove UUID into EIR */
     74 #endif
     75 #if (BTM_SSR_INCLUDED == TRUE)
     76   tBTA_SYS_SSR_CFG_CBACK* p_ssr_cb;
     77 #endif
     78   /* VS event handler */
     79   tBTA_SYS_VS_EVT_HDLR* p_vs_evt_hdlr;
     80 
     81 } tBTA_SYS_CB;
     82 
     83 /*****************************************************************************
     84  *  Global variables
     85  ****************************************************************************/
     86 
     87 /* system manager control block */
     88 extern tBTA_SYS_CB bta_sys_cb;
     89 
     90 /* functions used for BTA SYS HW state machine */
     91 void bta_sys_hw_btm_cback(tBTM_DEV_STATUS status);
     92 void bta_sys_hw_error(tBTA_SYS_HW_MSG* p_sys_hw_msg);
     93 void bta_sys_hw_api_enable(tBTA_SYS_HW_MSG* p_sys_hw_msg);
     94 void bta_sys_hw_api_disable(tBTA_SYS_HW_MSG* p_sys_hw_msg);
     95 void bta_sys_hw_evt_enabled(tBTA_SYS_HW_MSG* p_sys_hw_msg);
     96 void bta_sys_hw_evt_disabled(tBTA_SYS_HW_MSG* p_sys_hw_msg);
     97 void bta_sys_hw_evt_stack_enabled(tBTA_SYS_HW_MSG* p_sys_hw_msg);
     98 
     99 bool bta_sys_sm_execute(BT_HDR* p_msg);
    100 
    101 #endif /* BTA_SYS_INT_H */
    102