149be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang/******************************************************************************
249be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *
349be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  Copyright (c) 2014 The Android Open Source Project
449be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  Copyright (C) 2009-2012 Broadcom Corporation
549be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *
649be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  Licensed under the Apache License, Version 2.0 (the "License");
749be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  you may not use this file except in compliance with the License.
849be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  You may obtain a copy of the License at:
949be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *
1049be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  http://www.apache.org/licenses/LICENSE-2.0
1149be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *
1249be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  Unless required by applicable law or agreed to in writing, software
1349be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  distributed under the License is distributed on an "AS IS" BASIS,
1449be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1549be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  See the License for the specific language governing permissions and
1649be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *  limitations under the License.
1749be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang *
1849be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang ******************************************************************************/
1949be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang
2049be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#ifndef BTIF_COMMON_H
2149be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#define BTIF_COMMON_H
2249be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang
2349be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#include "data_types.h"
2449be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#include "bt_types.h"
2549be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#include "bta_api.h"
2649be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang
2749be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#ifndef LOG_TAG
2849be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#error "LOG_TAG not defined, please add in .c file prior to including bt_common.h"
2949be2ad9f863f5b238997e740aa35adc40ba66e3Geoff Lang#endif
30
31#include <utils/Log.h>
32
33/*******************************************************************************
34**  Constants & Macros
35********************************************************************************/
36
37#define ASSERTC(cond, msg, val) if (!(cond)) { ALOGE( \
38    "### ASSERT : %s line %d %s (%d) ###", __FILE__, __LINE__, msg, val);}
39
40/* Calculate start of event enumeration; id is top 8 bits of event */
41#define BTIF_SIG_START(id)       ((id) << 8)
42
43/* For upstream the MSB bit is always SET */
44#define BTIF_SIG_CB_BIT   (0x8000)
45#define BTIF_SIG_CB_START(id)    (((id) << 8) | BTIF_SIG_CB_BIT)
46
47/* BTIF sub-systems */
48#define BTIF_CORE           0
49#define BTIF_DM             1
50#define BTIF_HFP            2
51#define BTIF_AV             3
52#define BTIF_PAN            4
53#define BTIF_HF_CLIENT      5
54
55extern bt_callbacks_t *bt_hal_cbacks;
56
57#define HAL_CBACK(P_CB, P_CBACK, ...)\
58    if (P_CB && P_CB->P_CBACK) {            \
59        BTIF_TRACE_API("HAL %s->%s", #P_CB, #P_CBACK); \
60        P_CB->P_CBACK(__VA_ARGS__);         \
61    }                                       \
62    else {                                  \
63        ASSERTC(0, "Callback is NULL", 0);  \
64    }
65
66/**
67 * BTIF events for requests that require context switch to btif task
68 * on downstreams path
69 */
70enum
71{
72    BTIF_CORE_API_START = BTIF_SIG_START(BTIF_CORE),
73    BTIF_CORE_STORAGE_NO_ACTION,
74    BTIF_CORE_STORAGE_ADAPTER_WRITE,
75    BTIF_CORE_STORAGE_ADAPTER_READ,
76    BTIF_CORE_STORAGE_ADAPTER_READ_ALL,
77    BTIF_CORE_STORAGE_REMOTE_WRITE,
78    BTIF_CORE_STORAGE_REMOTE_READ,
79    BTIF_CORE_STORAGE_REMOTE_READ_ALL,
80    BTIF_CORE_STORAGE_READ_ALL,
81    BTIF_CORE_STORAGE_NOTIFY_STATUS,
82    /* add here */
83
84    BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM),
85    BTIF_DM_ENABLE_SERVICE,
86    BTIF_DM_DISABLE_SERVICE,
87    /* add here */
88
89    BTIF_HFP_API_START = BTIF_SIG_START(BTIF_HFP),
90    /* add here */
91
92    BTIF_AV_API_START = BTIF_SIG_START(BTIF_AV),
93    /* add here */
94};
95
96/**
97 * BTIF events for callbacks that require context switch to btif task
98 * on upstream path - Typically these would be non-BTA events
99 * that are generated by the BTIF layer.
100 */
101enum
102{
103    BTIF_CORE_CB_START = BTIF_SIG_CB_START(BTIF_CORE),
104    /* add here */
105
106    BTIF_DM_CB_START = BTIF_SIG_CB_START(BTIF_DM),
107    BTIF_DM_CB_DISCOVERY_STARTED, /* Discovery has started */
108    BTIF_DM_CB_CREATE_BOND,   /* Create bond */
109    BTIF_DM_CB_REMOVE_BOND,   /*Remove bond */
110    BTIF_DM_CB_HID_REMOTE_NAME,   /* Remote name callback for HID device */
111    BTIF_DM_CB_BOND_STATE_BONDING,
112    BTIF_DM_CB_LE_TX_TEST,    /* BLE Tx Test command complete callback */
113    BTIF_DM_CB_LE_RX_TEST,    /* BLE Rx Test command complete callback */
114    BTIF_DM_CB_LE_TEST_END,   /* BLE Test mode end callback */
115
116    BTIF_HFP_CB_START  = BTIF_SIG_CB_START(BTIF_HFP),
117    BTIF_HFP_CB_AUDIO_CONNECTING, /* HF AUDIO connect has been sent to BTA successfully */
118
119    BTIF_PAN_CB_START = BTIF_SIG_CB_START(BTIF_PAN),
120    BTIF_PAN_CB_DISCONNECTING, /* PAN Disconnect has been sent to BTA successfully */
121
122    BTIF_HF_CLIENT_CLIENT_CB_START  = BTIF_SIG_CB_START(BTIF_HF_CLIENT),
123    BTIF_HF_CLIENT_CB_AUDIO_CONNECTING, /* AUDIO connect has been sent to BTA successfully */
124};
125
126/* Macro definitions for BD ADDR persistence */
127
128/**
129 * PROPERTY_BT_BDADDR_PATH
130 * The property key stores the storage location of Bluetooth Device Address
131 */
132#ifndef PROPERTY_BT_BDADDR_PATH
133#define PROPERTY_BT_BDADDR_PATH         "ro.bt.bdaddr_path"
134#endif
135
136/**
137 * PERSIST_BDADDR_PROPERTY
138 * If there is no valid bdaddr available from PROPERTY_BT_BDADDR_PATH,
139 * generating a random BDADDR and keeping it in the PERSIST_BDADDR_DROP.
140 */
141#ifndef PERSIST_BDADDR_PROPERTY
142#define PERSIST_BDADDR_PROPERTY         "persist.service.bdroid.bdaddr"
143#endif
144
145#define FACTORY_BT_BDADDR_STORAGE_LEN   17
146
147
148/*******************************************************************************
149**  Type definitions for callback functions
150********************************************************************************/
151
152typedef void (tBTIF_CBACK) (UINT16 event, char *p_param);
153typedef void (tBTIF_COPY_CBACK) (UINT16 event, char *p_dest, char *p_src);
154
155
156/*******************************************************************************
157**  Type definitions and return values
158********************************************************************************/
159
160/* this type handles all btif context switches between BTU and HAL */
161typedef struct
162{
163    BT_HDR               hdr;
164    tBTIF_CBACK*         p_cb;    /* context switch callback */
165
166    /* parameters passed to callback */
167    UINT16               event;   /* message event id */
168    char                 p_param[0]; /* parameter area needs to be last */
169} tBTIF_CONTEXT_SWITCH_CBACK;
170
171
172/*******************************************************************************
173**  Functions
174********************************************************************************/
175
176bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params,
177                                    int param_len, tBTIF_COPY_CBACK *p_copy_cback);
178tBTA_SERVICE_MASK btif_get_enabled_services_mask(void);
179bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id);
180bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id);
181int btif_is_enabled(void);
182
183/**
184 * BTIF_Events
185 */
186void btif_enable_bluetooth_evt(tBTA_STATUS status, BD_ADDR local_bd);
187void btif_disable_bluetooth_evt(void);
188void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, bt_property_t *p_props);
189void btif_remote_properties_evt(bt_status_t status, bt_bdaddr_t *remote_addr,
190                                   uint32_t num_props, bt_property_t *p_props);
191#endif /* BTIF_COMMON_H */
192