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 <stdlib.h> 24 #include <hardware/bluetooth.h> 25 26 #include "bt_types.h" 27 #include "bta_api.h" 28 #include "osi.h" 29 30 #ifndef LOG_TAG 31 #error "LOG_TAG not defined, please add in .c file prior to including bt_common.h" 32 #endif 33 34 #include "osi/include/log.h" 35 36 /******************************************************************************* 37 ** Constants & Macros 38 ********************************************************************************/ 39 40 #define ASSERTC(cond, msg, val) if (!(cond)) { LOG_ERROR( \ 41 "### ASSERT : %s line %d %s (%d) ###", __FILE__, __LINE__, msg, val);} 42 43 /* Calculate start of event enumeration; id is top 8 bits of event */ 44 #define BTIF_SIG_START(id) ((id) << 8) 45 46 /* For upstream the MSB bit is always SET */ 47 #define BTIF_SIG_CB_BIT (0x8000) 48 #define BTIF_SIG_CB_START(id) (((id) << 8) | BTIF_SIG_CB_BIT) 49 50 /* BTIF sub-systems */ 51 #define BTIF_CORE 0 52 #define BTIF_DM 1 53 #define BTIF_HFP 2 54 #define BTIF_AV 3 55 #define BTIF_PAN 4 56 #define BTIF_HF_CLIENT 5 57 58 extern bt_callbacks_t *bt_hal_cbacks; 59 60 #define HAL_CBACK(P_CB, P_CBACK, ...)\ 61 if (P_CB && P_CB->P_CBACK) { \ 62 BTIF_TRACE_API("HAL %s->%s", #P_CB, #P_CBACK); \ 63 P_CB->P_CBACK(__VA_ARGS__); \ 64 } \ 65 else { \ 66 ASSERTC(0, "Callback is NULL", 0); \ 67 } 68 69 /** 70 * BTIF events for requests that require context switch to btif task 71 * on downstreams path 72 */ 73 enum 74 { 75 BTIF_CORE_API_START = BTIF_SIG_START(BTIF_CORE), 76 BTIF_CORE_STORAGE_NO_ACTION, 77 BTIF_CORE_STORAGE_ADAPTER_WRITE, 78 BTIF_CORE_STORAGE_ADAPTER_READ, 79 BTIF_CORE_STORAGE_ADAPTER_READ_ALL, 80 BTIF_CORE_STORAGE_REMOTE_WRITE, 81 BTIF_CORE_STORAGE_REMOTE_READ, 82 BTIF_CORE_STORAGE_REMOTE_READ_ALL, 83 BTIF_CORE_STORAGE_READ_ALL, 84 BTIF_CORE_STORAGE_NOTIFY_STATUS, 85 /* add here */ 86 87 BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM), 88 BTIF_DM_ENABLE_SERVICE, 89 BTIF_DM_DISABLE_SERVICE, 90 /* add here */ 91 92 BTIF_HFP_API_START = BTIF_SIG_START(BTIF_HFP), 93 /* add here */ 94 95 BTIF_AV_API_START = BTIF_SIG_START(BTIF_AV), 96 /* add here */ 97 }; 98 99 /** 100 * BTIF events for callbacks that require context switch to btif task 101 * on upstream path - Typically these would be non-BTA events 102 * that are generated by the BTIF layer. 103 */ 104 enum 105 { 106 BTIF_CORE_CB_START = BTIF_SIG_CB_START(BTIF_CORE), 107 /* add here */ 108 109 BTIF_DM_CB_START = BTIF_SIG_CB_START(BTIF_DM), 110 BTIF_DM_CB_DISCOVERY_STARTED, /* Discovery has started */ 111 BTIF_DM_CB_CREATE_BOND, /* Create bond */ 112 BTIF_DM_CB_REMOVE_BOND, /*Remove bond */ 113 BTIF_DM_CB_HID_REMOTE_NAME, /* Remote name callback for HID device */ 114 BTIF_DM_CB_BOND_STATE_BONDING, 115 BTIF_DM_CB_LE_TX_TEST, /* BLE Tx Test command complete callback */ 116 BTIF_DM_CB_LE_RX_TEST, /* BLE Rx Test command complete callback */ 117 BTIF_DM_CB_LE_TEST_END, /* BLE Test mode end callback */ 118 119 BTIF_HFP_CB_START = BTIF_SIG_CB_START(BTIF_HFP), 120 BTIF_HFP_CB_AUDIO_CONNECTING, /* HF AUDIO connect has been sent to BTA successfully */ 121 122 BTIF_PAN_CB_START = BTIF_SIG_CB_START(BTIF_PAN), 123 BTIF_PAN_CB_DISCONNECTING, /* PAN Disconnect has been sent to BTA successfully */ 124 125 BTIF_HF_CLIENT_CLIENT_CB_START = BTIF_SIG_CB_START(BTIF_HF_CLIENT), 126 BTIF_HF_CLIENT_CB_AUDIO_CONNECTING, /* AUDIO connect has been sent to BTA successfully */ 127 }; 128 129 /* Macro definitions for BD ADDR persistence */ 130 131 /** 132 * PROPERTY_BT_BDADDR_PATH 133 * The property key stores the storage location of Bluetooth Device Address 134 */ 135 #ifndef PROPERTY_BT_BDADDR_PATH 136 #define PROPERTY_BT_BDADDR_PATH "ro.bt.bdaddr_path" 137 #endif 138 139 /** 140 * PERSIST_BDADDR_PROPERTY 141 * If there is no valid bdaddr available from PROPERTY_BT_BDADDR_PATH, 142 * generating a random BDADDR and keeping it in the PERSIST_BDADDR_DROP. 143 */ 144 #ifndef PERSIST_BDADDR_PROPERTY 145 #define PERSIST_BDADDR_PROPERTY "persist.service.bdroid.bdaddr" 146 #endif 147 148 #define FACTORY_BT_BDADDR_STORAGE_LEN 17 149 150 151 /******************************************************************************* 152 ** Type definitions for callback functions 153 ********************************************************************************/ 154 155 typedef void (tBTIF_CBACK) (UINT16 event, char *p_param); 156 typedef void (tBTIF_COPY_CBACK) (UINT16 event, char *p_dest, char *p_src); 157 158 159 /******************************************************************************* 160 ** Type definitions and return values 161 ********************************************************************************/ 162 163 /* this type handles all btif context switches between BTU and HAL */ 164 typedef struct 165 { 166 BT_HDR hdr; 167 tBTIF_CBACK* p_cb; /* context switch callback */ 168 169 /* parameters passed to callback */ 170 UINT16 event; /* message event id */ 171 char p_param[0]; /* parameter area needs to be last */ 172 } tBTIF_CONTEXT_SWITCH_CBACK; 173 174 175 /******************************************************************************* 176 ** Functions 177 ********************************************************************************/ 178 179 bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params, 180 int param_len, tBTIF_COPY_CBACK *p_copy_cback); 181 tBTA_SERVICE_MASK btif_get_enabled_services_mask(void); 182 bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id); 183 bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id); 184 int btif_is_enabled(void); 185 186 /** 187 * BTIF_Events 188 */ 189 void btif_enable_bluetooth_evt(tBTA_STATUS status); 190 void btif_disable_bluetooth_evt(void); 191 void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, bt_property_t *p_props); 192 void btif_remote_properties_evt(bt_status_t status, bt_bdaddr_t *remote_addr, 193 uint32_t num_props, bt_property_t *p_props); 194 195 void btif_init_ok(UNUSED_ATTR uint16_t event, UNUSED_ATTR char *p_param); 196 void btif_init_fail(UNUSED_ATTR uint16_t event, UNUSED_ATTR char *p_param); 197 198 #endif /* BTIF_COMMON_H */ 199