| /****************************************************************************** |
| * |
| * Copyright (c) 2014 The Android Open Source Project |
| * Copyright 2009-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #ifndef BTIF_COMMON_H |
| #define BTIF_COMMON_H |
| |
| #include <stdlib.h> |
| |
| #include <base/bind.h> |
| #include <base/location.h> |
| #include <base/message_loop/message_loop.h> |
| #include <hardware/bluetooth.h> |
| |
| #include "bt_types.h" |
| #include "bta/include/bta_api.h" |
| #include "osi/include/log.h" |
| #include "osi/include/osi.h" |
| |
| /******************************************************************************* |
| * Constants & Macros |
| ******************************************************************************/ |
| |
| #define ASSERTC(cond, msg, val) \ |
| do { \ |
| if (!(cond)) { \ |
| LOG_ERROR(LOG_TAG, "### ASSERT : %s %s line %d %s (%d) ###", __FILE__, \ |
| __func__, __LINE__, (msg), (val)); \ |
| } \ |
| } while (0) |
| |
| /* Calculate start of event enumeration; id is top 8 bits of event */ |
| #define BTIF_SIG_START(id) ((id) << 8) |
| |
| /* For upstream the MSB bit is always SET */ |
| #define BTIF_SIG_CB_BIT (0x8000) |
| #define BTIF_SIG_CB_START(id) (((id) << 8) | BTIF_SIG_CB_BIT) |
| |
| /* |
| * A memcpy(3) wrapper when copying memory that might not be aligned. |
| * |
| * On certain architectures, if the memcpy(3) arguments appear to be |
| * pointing to aligned memory (e.g., struct pointers), the compiler might |
| * generate optimized memcpy(3) code. However, if the original memory was not |
| * aligned (e.g., because of incorrect "char *" to struct pointer casting), |
| * the result code might trigger SIGBUS crash. |
| * |
| * As a short-term solution, we use the help of the maybe_non_aligned_memcpy() |
| * macro to identify and fix such cases. In the future, we should fix the |
| * problematic "char *" to struct pointer casting, and this macro itself should |
| * be removed. |
| */ |
| #define maybe_non_aligned_memcpy(_a, _b, _c) \ |
| memcpy((void*)(_a), (void*)(_b), (_c)) |
| |
| /* BTIF sub-systems */ |
| #define BTIF_CORE 0 |
| #define BTIF_DM 1 |
| #define BTIF_HFP 2 |
| #define BTIF_AV 3 |
| #define BTIF_PAN 4 |
| #define BTIF_HF_CLIENT 5 |
| |
| extern bt_callbacks_t* bt_hal_cbacks; |
| |
| #define HAL_CBACK(P_CB, P_CBACK, ...) \ |
| do { \ |
| if ((P_CB) && (P_CB)->P_CBACK) { \ |
| BTIF_TRACE_API("%s: HAL %s->%s", __func__, #P_CB, #P_CBACK); \ |
| (P_CB)->P_CBACK(__VA_ARGS__); \ |
| } else { \ |
| ASSERTC(0, "Callback is NULL", 0); \ |
| } \ |
| } while (0) |
| |
| /** |
| * BTIF events for requests that require context switch to btif task |
| * on downstreams path |
| */ |
| enum { |
| BTIF_CORE_API_START = BTIF_SIG_START(BTIF_CORE), |
| BTIF_CORE_STORAGE_NO_ACTION, |
| BTIF_CORE_STORAGE_ADAPTER_WRITE, |
| BTIF_CORE_STORAGE_ADAPTER_READ, |
| BTIF_CORE_STORAGE_ADAPTER_READ_ALL, |
| BTIF_CORE_STORAGE_REMOTE_WRITE, |
| BTIF_CORE_STORAGE_REMOTE_READ, |
| BTIF_CORE_STORAGE_REMOTE_READ_ALL, |
| BTIF_CORE_STORAGE_READ_ALL, |
| BTIF_CORE_STORAGE_NOTIFY_STATUS, |
| /* add here */ |
| |
| BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM), |
| BTIF_DM_ENABLE_SERVICE, |
| BTIF_DM_DISABLE_SERVICE, |
| /* add here */ |
| |
| BTIF_HFP_API_START = BTIF_SIG_START(BTIF_HFP), |
| /* add here */ |
| |
| BTIF_AV_API_START = BTIF_SIG_START(BTIF_AV), |
| /* add here */ |
| }; |
| |
| /** |
| * BTIF events for callbacks that require context switch to btif task |
| * on upstream path - Typically these would be non-BTA events |
| * that are generated by the BTIF layer. |
| */ |
| enum { |
| BTIF_CORE_CB_START = BTIF_SIG_CB_START(BTIF_CORE), |
| /* add here */ |
| |
| BTIF_DM_CB_START = BTIF_SIG_CB_START(BTIF_DM), |
| BTIF_DM_CB_DISCOVERY_STARTED, /* Discovery has started */ |
| BTIF_DM_CB_CREATE_BOND, /* Create bond */ |
| BTIF_DM_CB_REMOVE_BOND, /*Remove bond */ |
| BTIF_DM_CB_HID_REMOTE_NAME, /* Remote name callback for HID device */ |
| BTIF_DM_CB_BOND_STATE_BONDING, |
| BTIF_DM_CB_LE_TX_TEST, /* BLE Tx Test command complete callback */ |
| BTIF_DM_CB_LE_RX_TEST, /* BLE Rx Test command complete callback */ |
| BTIF_DM_CB_LE_TEST_END, /* BLE Test mode end callback */ |
| |
| BTIF_HFP_CB_START = BTIF_SIG_CB_START(BTIF_HFP), |
| BTIF_HFP_CB_AUDIO_CONNECTING, /* HF AUDIO connect has been sent to BTA |
| successfully */ |
| |
| BTIF_PAN_CB_START = BTIF_SIG_CB_START(BTIF_PAN), |
| BTIF_PAN_CB_DISCONNECTING, /* PAN Disconnect has been sent to BTA successfully |
| */ |
| |
| BTIF_HF_CLIENT_CLIENT_CB_START = BTIF_SIG_CB_START(BTIF_HF_CLIENT), |
| BTIF_HF_CLIENT_CB_AUDIO_CONNECTING, /* AUDIO connect has been sent to BTA |
| successfully */ |
| }; |
| |
| /******************************************************************************* |
| * Type definitions for callback functions |
| ******************************************************************************/ |
| |
| typedef void(tBTIF_CBACK)(uint16_t event, char* p_param); |
| typedef void(tBTIF_COPY_CBACK)(uint16_t event, char* p_dest, char* p_src); |
| |
| /******************************************************************************* |
| * Type definitions and return values |
| ******************************************************************************/ |
| |
| /* this type handles all btif context switches between BTU and HAL */ |
| typedef struct { |
| BT_HDR hdr; |
| tBTIF_CBACK* p_cb; /* context switch callback */ |
| |
| /* parameters passed to callback */ |
| uint16_t event; /* message event id */ |
| char __attribute__((aligned)) p_param[]; /* parameter area needs to be last */ |
| } tBTIF_CONTEXT_SWITCH_CBACK; |
| |
| /******************************************************************************* |
| * Functions |
| ******************************************************************************/ |
| |
| extern bt_status_t do_in_jni_thread(base::OnceClosure task); |
| extern bt_status_t do_in_jni_thread(const base::Location& from_here, |
| base::OnceClosure task); |
| extern bool is_on_jni_thread(); |
| extern base::MessageLoop* get_jni_message_loop(); |
| /** |
| * This template wraps callback into callback that will be executed on jni |
| * thread |
| */ |
| template <typename R, typename... Args> |
| base::Callback<R(Args...)> jni_thread_wrapper(const base::Location& from_here, |
| base::Callback<R(Args...)> cb) { |
| return base::Bind( |
| [](const base::Location& from_here, base::Callback<R(Args...)> cb, |
| Args... args) { |
| do_in_jni_thread(from_here, |
| base::Bind(cb, std::forward<Args>(args)...)); |
| }, |
| from_here, std::move(cb)); |
| } |
| |
| tBTA_SERVICE_MASK btif_get_enabled_services_mask(void); |
| bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id); |
| bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id); |
| int btif_is_enabled(void); |
| |
| /** |
| * BTIF_Events |
| */ |
| void btif_enable_bluetooth_evt(tBTA_STATUS status); |
| void btif_disable_bluetooth_evt(void); |
| void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, |
| bt_property_t* p_props); |
| void btif_remote_properties_evt(bt_status_t status, RawAddress* remote_addr, |
| uint32_t num_props, bt_property_t* p_props); |
| |
| void bte_load_did_conf(const char* p_path); |
| void bte_main_boot_entry(void); |
| void bte_main_enable(void); |
| void bte_main_disable(void); |
| void bte_main_cleanup(void); |
| void bte_main_postload_cfg(void); |
| |
| bt_status_t btif_transfer_context(tBTIF_CBACK* p_cback, uint16_t event, |
| char* p_params, int param_len, |
| tBTIF_COPY_CBACK* p_copy_cback); |
| |
| void btif_init_ok(UNUSED_ATTR uint16_t event, UNUSED_ATTR char* p_param); |
| |
| #endif /* BTIF_COMMON_H */ |
