The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2009-2012 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 | #ifndef BTIF_COMMON_H |
| 20 | #define BTIF_COMMON_H |
| 21 | |
| 22 | #include "data_types.h" |
| 23 | #include "bt_types.h" |
| 24 | #include "bta_api.h" |
| 25 | |
| 26 | #ifndef LOG_TAG |
| 27 | #error "LOG_TAG not defined, please add in .c file prior to including bt_common.h" |
| 28 | #endif |
| 29 | |
| 30 | #include <utils/Log.h> |
| 31 | |
| 32 | /******************************************************************************* |
| 33 | ** Constants & Macros |
| 34 | ********************************************************************************/ |
| 35 | |
| 36 | #define ASSERTC(cond, msg, val) if (!(cond)) { ALOGE( \ |
| 37 | "### ASSERT : %s line %d %s (%d) ###", __FILE__, __LINE__, msg, val);} |
| 38 | |
| 39 | /* Calculate start of event enumeration; id is top 8 bits of event */ |
| 40 | #define BTIF_SIG_START(id) ((id) << 8) |
| 41 | |
| 42 | /* For upstream the MSB bit is always SET */ |
| 43 | #define BTIF_SIG_CB_BIT (0x8000) |
| 44 | #define BTIF_SIG_CB_START(id) (((id) << 8) | BTIF_SIG_CB_BIT) |
| 45 | |
| 46 | /* BTIF sub-systems */ |
| 47 | #define BTIF_CORE 0 |
| 48 | #define BTIF_DM 1 |
| 49 | #define BTIF_HFP 2 |
| 50 | #define BTIF_AV 3 |
| 51 | #define BTIF_PAN 4 |
| 52 | |
| 53 | extern bt_callbacks_t *bt_hal_cbacks; |
| 54 | |
| 55 | #define HAL_CBACK(P_CB, P_CBACK, ...)\ |
| 56 | if (P_CB && P_CB->P_CBACK) { \ |
The Android Open Source Project | 689d66b | 2012-12-12 17:18:15 -0800 | [diff] [blame^] | 57 | BTIF_TRACE_API2("HAL %s->%s", #P_CB, #P_CBACK); \ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 58 | P_CB->P_CBACK(__VA_ARGS__); \ |
| 59 | } \ |
| 60 | else { \ |
| 61 | ASSERTC(0, "Callback is NULL", 0); \ |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * BTIF events for requests that require context switch to btif task |
| 66 | * on downstreams path |
| 67 | */ |
| 68 | enum |
| 69 | { |
| 70 | BTIF_CORE_API_START = BTIF_SIG_START(BTIF_CORE), |
| 71 | BTIF_CORE_STORAGE_NO_ACTION, |
| 72 | BTIF_CORE_STORAGE_ADAPTER_WRITE, |
| 73 | BTIF_CORE_STORAGE_ADAPTER_READ, |
| 74 | BTIF_CORE_STORAGE_ADAPTER_READ_ALL, |
| 75 | BTIF_CORE_STORAGE_REMOTE_WRITE, |
| 76 | BTIF_CORE_STORAGE_REMOTE_READ, |
| 77 | BTIF_CORE_STORAGE_REMOTE_READ_ALL, |
| 78 | BTIF_CORE_STORAGE_READ_ALL, |
| 79 | BTIF_CORE_STORAGE_NOTIFY_STATUS, |
| 80 | /* add here */ |
| 81 | |
| 82 | BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM), |
| 83 | BTIF_DM_ENABLE_SERVICE, |
| 84 | BTIF_DM_DISABLE_SERVICE, |
| 85 | /* add here */ |
| 86 | |
| 87 | BTIF_HFP_API_START = BTIF_SIG_START(BTIF_HFP), |
| 88 | /* add here */ |
| 89 | |
| 90 | BTIF_AV_API_START = BTIF_SIG_START(BTIF_AV), |
| 91 | /* add here */ |
| 92 | }; |
| 93 | |
| 94 | /** |
| 95 | * BTIF events for callbacks that require context switch to btif task |
| 96 | * on upstream path - Typically these would be non-BTA events |
| 97 | * that are generated by the BTIF layer. |
| 98 | */ |
| 99 | enum |
| 100 | { |
| 101 | BTIF_CORE_CB_START = BTIF_SIG_CB_START(BTIF_CORE), |
| 102 | /* add here */ |
| 103 | |
| 104 | BTIF_DM_CB_START = BTIF_SIG_CB_START(BTIF_DM), |
| 105 | BTIF_DM_CB_DISCOVERY_STARTED, /* Discovery has started */ |
| 106 | BTIF_DM_CB_CREATE_BOND, /* Create bond */ |
| 107 | BTIF_DM_CB_REMOVE_BOND, /*Remove bond */ |
| 108 | BTIF_DM_CB_HID_REMOTE_NAME, /* Remote name callback for HID device */ |
| 109 | BTIF_DM_CB_BOND_STATE_BONDING, |
| 110 | |
| 111 | BTIF_HFP_CB_START = BTIF_SIG_CB_START(BTIF_HFP), |
| 112 | BTIF_HFP_CB_AUDIO_CONNECTING, /* HF AUDIO connect has been sent to BTA successfully */ |
| 113 | |
| 114 | BTIF_PAN_CB_START = BTIF_SIG_CB_START(BTIF_PAN), |
| 115 | BTIF_PAN_CB_DISCONNECTING, /* PAN Disconnect has been sent to BTA successfully */ |
| 116 | }; |
| 117 | |
| 118 | /* Macro definitions for BD ADDR persistence */ |
| 119 | |
| 120 | /** |
| 121 | * PROPERTY_BT_BDADDR_PATH |
| 122 | * The property key stores the storage location of Bluetooth Device Address |
| 123 | */ |
| 124 | #ifndef PROPERTY_BT_BDADDR_PATH |
| 125 | #define PROPERTY_BT_BDADDR_PATH "ro.bt.bdaddr_path" |
| 126 | #endif |
| 127 | |
| 128 | /** |
| 129 | * PERSIST_BDADDR_PROPERTY |
| 130 | * If there is no valid bdaddr available from PROPERTY_BT_BDADDR_PATH, |
| 131 | * generating a random BDADDR and keeping it in the PERSIST_BDADDR_DROP. |
| 132 | */ |
| 133 | #ifndef PERSIST_BDADDR_PROPERTY |
| 134 | #define PERSIST_BDADDR_PROPERTY "persist.service.bdroid.bdaddr" |
| 135 | #endif |
| 136 | |
| 137 | #define FACTORY_BT_BDADDR_STORAGE_LEN 17 |
| 138 | |
| 139 | |
| 140 | /******************************************************************************* |
| 141 | ** Type definitions for callback functions |
| 142 | ********************************************************************************/ |
| 143 | |
| 144 | typedef void (tBTIF_CBACK) (UINT16 event, char *p_param); |
| 145 | typedef void (tBTIF_COPY_CBACK) (UINT16 event, char *p_dest, char *p_src); |
| 146 | |
| 147 | |
| 148 | /******************************************************************************* |
| 149 | ** Type definitions and return values |
| 150 | ********************************************************************************/ |
| 151 | |
| 152 | /* this type handles all btif context switches between BTU and HAL */ |
| 153 | typedef struct |
| 154 | { |
| 155 | BT_HDR hdr; |
| 156 | tBTIF_CBACK* p_cb; /* context switch callback */ |
| 157 | |
| 158 | /* parameters passed to callback */ |
| 159 | UINT16 event; /* message event id */ |
| 160 | char p_param[0]; /* parameter area needs to be last */ |
| 161 | } tBTIF_CONTEXT_SWITCH_CBACK; |
| 162 | |
| 163 | |
| 164 | /******************************************************************************* |
| 165 | ** Functions |
| 166 | ********************************************************************************/ |
| 167 | |
| 168 | bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params, |
| 169 | int param_len, tBTIF_COPY_CBACK *p_copy_cback); |
| 170 | tBTA_SERVICE_MASK btif_get_enabled_services_mask(void); |
| 171 | bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id); |
| 172 | bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id); |
| 173 | int btif_is_enabled(void); |
| 174 | |
| 175 | /** |
| 176 | * BTIF_Events |
| 177 | */ |
| 178 | void btif_enable_bluetooth_evt(tBTA_STATUS status, BD_ADDR local_bd); |
| 179 | void btif_disable_bluetooth_evt(void); |
| 180 | void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, bt_property_t *p_props); |
| 181 | void btif_remote_properties_evt(bt_status_t status, bt_bdaddr_t *remote_addr, |
| 182 | uint32_t num_props, bt_property_t *p_props); |
| 183 | #endif /* BTIF_COMMON_H */ |