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/******************************************************************************
*
* Copyright (C) 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 "data_types.h"
#include "bt_types.h"
#include "bta_api.h"
#ifndef LOG_TAG
#error "LOG_TAG not defined, please add in .c file prior to including bt_common.h"
#endif
#include <utils/Log.h>
/*******************************************************************************
** Constants & Macros
********************************************************************************/
#define ASSERTC(cond, msg, val) if (!(cond)) { ALOGE( \
"### ASSERT : %s line %d %s (%d) ###", __FILE__, __LINE__, msg, val);}
/* 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)
/* BTIF sub-systems */
#define BTIF_CORE 0
#define BTIF_DM 1
#define BTIF_HFP 2
#define BTIF_AV 3
#define BTIF_PAN 4
extern bt_callbacks_t *bt_hal_cbacks;
#define HAL_CBACK(P_CB, P_CBACK, ...)\
if (P_CB && P_CB->P_CBACK) { \
ALOGD("HAL %s->%s", #P_CB, #P_CBACK); \
P_CB->P_CBACK(__VA_ARGS__); \
} \
else { \
ASSERTC(0, "Callback is NULL", 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_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 */
};
/* Macro definitions for BD ADDR persistence */
/**
* PROPERTY_BT_BDADDR_PATH
* The property key stores the storage location of Bluetooth Device Address
*/
#ifndef PROPERTY_BT_BDADDR_PATH
#define PROPERTY_BT_BDADDR_PATH "ro.bt.bdaddr_path"
#endif
/**
* PERSIST_BDADDR_PROPERTY
* If there is no valid bdaddr available from PROPERTY_BT_BDADDR_PATH,
* generating a random BDADDR and keeping it in the PERSIST_BDADDR_DROP.
*/
#ifndef PERSIST_BDADDR_PROPERTY
#define PERSIST_BDADDR_PROPERTY "persist.service.bdroid.bdaddr"
#endif
#define FACTORY_BT_BDADDR_STORAGE_LEN 17
/*******************************************************************************
** Type definitions for callback functions
********************************************************************************/
typedef void (tBTIF_CBACK) (UINT16 event, char *p_param);
typedef void (tBTIF_COPY_CBACK) (UINT16 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 event; /* message event id */
char p_param[0]; /* parameter area needs to be last */
} tBTIF_CONTEXT_SWITCH_CBACK;
/*******************************************************************************
** Functions
********************************************************************************/
bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params,
int param_len, tBTIF_COPY_CBACK *p_copy_cback);
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, BD_ADDR local_bd);
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, bt_bdaddr_t *remote_addr,
uint32_t num_props, bt_property_t *p_props);
#endif /* BTIF_COMMON_H */
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