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