1 /****************************************************************************** 2 * 3 * Copyright (c) 2014 The Android Open Source Project 4 * Copyright (C) 2009-2012 Broadcom Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at: 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 ******************************************************************************/ 19 20 #ifndef BTIF_COMMON_H 21 #define BTIF_COMMON_H 22 23 #include "data_types.h" 24 #include "bt_types.h" 25 #include "bta_api.h" 26 27 #ifndef LOG_TAG 28 #error "LOG_TAG not defined, please add in .c file prior to including bt_common.h" 29 #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 55 extern 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 */ 70 enum 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 */ 101 enum 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 ********************************************************************************/ 151 152 typedef void (tBTIF_CBACK) (UINT16 event, char *p_param); 153 typedef 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 */ 161 typedef 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 ********************************************************************************/ 175 176 bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params, 177 int param_len, tBTIF_COPY_CBACK *p_copy_cback); 178 tBTA_SERVICE_MASK btif_get_enabled_services_mask(void); 179 bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id); 180 bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id); 181 int btif_is_enabled(void); 182 183 /** 184 * BTIF_Events 185 */ 186 void btif_enable_bluetooth_evt(tBTA_STATUS status, BD_ADDR local_bd); 187 void btif_disable_bluetooth_evt(void); 188 void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, bt_property_t *p_props); 189 void 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