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227 lines
9.1 KiB
227 lines
9.1 KiB
/******************************************************************************
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*
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* Copyright (c) 2014 The Android Open Source Project
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* Copyright 2009-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifndef BTIF_COMMON_H
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#define BTIF_COMMON_H
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#include <stdlib.h>
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#include <base/bind.h>
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#include <base/location.h>
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#include <hardware/bluetooth.h>
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#include "abstract_message_loop.h"
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#include "bt_types.h"
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#include "bta/include/bta_api.h"
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#include "osi/include/log.h"
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#include "osi/include/osi.h"
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/*******************************************************************************
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* Constants & Macros
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******************************************************************************/
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#define ASSERTC(cond, msg, val) \
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do { \
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if (!(cond)) { \
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LOG_ERROR("### ASSERT : %s %s line %d %s (%d) ###", __FILE__, __func__, \
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__LINE__, (msg), (val)); \
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} \
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} while (0)
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/* Calculate start of event enumeration; id is top 8 bits of event */
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#define BTIF_SIG_START(id) ((id) << 8)
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/* For upstream the MSB bit is always SET */
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#define BTIF_SIG_CB_BIT (0x8000)
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#define BTIF_SIG_CB_START(id) (((id) << 8) | BTIF_SIG_CB_BIT)
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/*
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* A memcpy(3) wrapper when copying memory that might not be aligned.
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*
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* On certain architectures, if the memcpy(3) arguments appear to be
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* pointing to aligned memory (e.g., struct pointers), the compiler might
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* generate optimized memcpy(3) code. However, if the original memory was not
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* aligned (e.g., because of incorrect "char *" to struct pointer casting),
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* the result code might trigger SIGBUS crash.
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*
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* As a short-term solution, we use the help of the maybe_non_aligned_memcpy()
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* macro to identify and fix such cases. In the future, we should fix the
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* problematic "char *" to struct pointer casting, and this macro itself should
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* be removed.
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*/
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#define maybe_non_aligned_memcpy(_a, _b, _c) \
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memcpy((void*)(_a), (void*)(_b), (_c))
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/* BTIF sub-systems */
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#define BTIF_CORE 0
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#define BTIF_DM 1
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#define BTIF_HFP 2
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#define BTIF_AV 3
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#define BTIF_PAN 4
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#define BTIF_HF_CLIENT 5
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#define HAL_CBACK(P_CB, P_CBACK, ...) \
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do { \
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if ((P_CB) && (P_CB)->P_CBACK) { \
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BTIF_TRACE_API("%s: HAL %s->%s", __func__, #P_CB, #P_CBACK); \
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(P_CB)->P_CBACK(__VA_ARGS__); \
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} else { \
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ASSERTC(0, "Callback is NULL", 0); \
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} \
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} while (0)
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/**
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* BTIF events for requests that require context switch to btif task
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* on downstreams path
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*/
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enum {
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BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM),
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BTIF_DM_ENABLE_SERVICE,
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BTIF_DM_DISABLE_SERVICE,
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/* add here */
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BTIF_HFP_API_START = BTIF_SIG_START(BTIF_HFP),
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/* add here */
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BTIF_AV_API_START = BTIF_SIG_START(BTIF_AV),
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/* add here */
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};
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/**
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* BTIF events for callbacks that require context switch to btif task
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* on upstream path - Typically these would be non-BTA events
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* that are generated by the BTIF layer.
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*/
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enum {
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BTIF_CORE_CB_START = BTIF_SIG_CB_START(BTIF_CORE),
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/* add here */
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BTIF_HFP_CB_START = BTIF_SIG_CB_START(BTIF_HFP),
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BTIF_HFP_CB_AUDIO_CONNECTING, /* HF AUDIO connect has been sent to BTA
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successfully */
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BTIF_PAN_CB_START = BTIF_SIG_CB_START(BTIF_PAN),
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BTIF_PAN_CB_DISCONNECTING, /* PAN Disconnect has been sent to BTA successfully
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*/
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BTIF_HF_CLIENT_CLIENT_CB_START = BTIF_SIG_CB_START(BTIF_HF_CLIENT),
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BTIF_HF_CLIENT_CB_AUDIO_CONNECTING, /* AUDIO connect has been sent to BTA
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successfully */
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};
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/*******************************************************************************
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* Type definitions for callback functions
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******************************************************************************/
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typedef void(tBTIF_CBACK)(uint16_t event, char* p_param);
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typedef void(tBTIF_COPY_CBACK)(uint16_t event, char* p_dest, char* p_src);
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/*******************************************************************************
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* Type definitions and return values
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******************************************************************************/
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/* this type handles all btif context switches between BTU and HAL */
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typedef struct {
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BT_HDR_RIGID hdr;
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tBTIF_CBACK* p_cb; /* context switch callback */
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/* parameters passed to callback */
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uint16_t event; /* message event id */
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char __attribute__((aligned)) p_param[]; /* parameter area needs to be last */
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} tBTIF_CONTEXT_SWITCH_CBACK;
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/*******************************************************************************
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* Functions
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******************************************************************************/
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extern bt_status_t do_in_jni_thread(base::OnceClosure task);
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extern bt_status_t do_in_jni_thread(const base::Location& from_here,
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base::OnceClosure task);
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extern bool is_on_jni_thread();
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extern btbase::AbstractMessageLoop* get_jni_message_loop();
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/**
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* This template wraps callback into callback that will be executed on jni
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* thread
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*/
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template <typename R, typename... Args>
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base::Callback<R(Args...)> jni_thread_wrapper(const base::Location& from_here,
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base::Callback<R(Args...)> cb) {
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return base::Bind(
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[](const base::Location& from_here, base::Callback<R(Args...)> cb,
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Args... args) {
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do_in_jni_thread(from_here,
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base::Bind(cb, std::forward<Args>(args)...));
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},
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from_here, std::move(cb));
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}
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tBTA_SERVICE_MASK btif_get_enabled_services_mask(void);
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void btif_enable_service(tBTA_SERVICE_ID service_id);
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void btif_disable_service(tBTA_SERVICE_ID service_id);
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int btif_is_enabled(void);
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/**
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* BTIF_Events
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*/
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void btif_enable_bluetooth_evt();
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void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props,
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bt_property_t* p_props);
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void btif_remote_properties_evt(bt_status_t status, RawAddress* remote_addr,
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uint32_t num_props, bt_property_t* p_props);
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void bte_load_did_conf(const char* p_path);
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void bte_main_init(void);
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bt_status_t btif_transfer_context(tBTIF_CBACK* p_cback, uint16_t event,
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char* p_params, int param_len,
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tBTIF_COPY_CBACK* p_copy_cback);
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void btif_init_ok();
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void invoke_adapter_state_changed_cb(bt_state_t state);
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void invoke_adapter_properties_cb(bt_status_t status, int num_properties,
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bt_property_t* properties);
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void invoke_remote_device_properties_cb(bt_status_t status, RawAddress bd_addr,
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int num_properties,
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bt_property_t* properties);
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void invoke_device_found_cb(int num_properties, bt_property_t* properties);
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void invoke_discovery_state_changed_cb(bt_discovery_state_t state);
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void invoke_pin_request_cb(RawAddress bd_addr, bt_bdname_t bd_name,
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uint32_t cod, bool min_16_digit);
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void invoke_ssp_request_cb(RawAddress bd_addr, bt_bdname_t bd_name,
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uint32_t cod, bt_ssp_variant_t pairing_variant,
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uint32_t pass_key);
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void invoke_oob_data_request_cb(tBT_TRANSPORT t, bool valid, Octet16 c,
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Octet16 r, RawAddress raw_address,
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uint8_t address_type);
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void invoke_bond_state_changed_cb(bt_status_t status, RawAddress bd_addr,
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bt_bond_state_t state);
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void invoke_acl_state_changed_cb(bt_status_t status, RawAddress bd_addr,
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bt_acl_state_t state, bt_hci_error_code_t hci_reason);
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void invoke_thread_evt_cb(bt_cb_thread_evt event);
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void invoke_le_test_mode_cb(bt_status_t status, uint16_t count);
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void invoke_energy_info_cb(bt_activity_energy_info energy_info,
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bt_uid_traffic_t* uid_data);
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void invoke_link_quality_report_cb(
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uint64_t timestamp, int report_id, int rssi, int snr,
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int retransmission_count, int packets_not_receive_count,
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int negative_acknowledgement_count);
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#endif /* BTIF_COMMON_H */
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