blob: 20d6a07029efc43d34e46ddd8a2e218755ea5d13 [file] [log] [blame]
/******************************************************************************
*
* 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.
*
******************************************************************************/
/************************************************************************************
*
* Filename: bluetooth.c
*
* Description: Bluetooth HAL implementation
*
***********************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <hardware/bluetooth.h>
#include <hardware/bt_hf.h>
#include <hardware/bt_av.h>
#include <hardware/bt_sock.h>
#include <hardware/bt_hh.h>
#include <hardware/bt_hl.h>
#include <hardware/bt_pan.h>
#define LOG_NDDEBUG 0
#define LOG_TAG "bluedroid"
#include "btif_api.h"
#include "bt_utils.h"
/************************************************************************************
** Constants & Macros
************************************************************************************/
#define is_profile(profile, str) ((strlen(str) == strlen(profile)) && strncmp((const char *)profile, str, strlen(str)) == 0)
/************************************************************************************
** Local type definitions
************************************************************************************/
/************************************************************************************
** Static variables
************************************************************************************/
bt_callbacks_t *bt_hal_cbacks = NULL;
/************************************************************************************
** Static functions
************************************************************************************/
/************************************************************************************
** Externs
************************************************************************************/
/* list all extended interfaces here */
/* handsfree profile */
extern bthf_interface_t *btif_hf_get_interface();
/* advanced audio profile */
extern btav_interface_t *btif_av_get_interface();
/*rfc l2cap*/
extern btsock_interface_t *btif_sock_get_interface();
/* hid host profile */
extern bthh_interface_t *btif_hh_get_interface();
/* health device profile */
extern bthl_interface_t *btif_hl_get_interface();
/*pan*/
extern btpan_interface_t *btif_pan_get_interface();
/************************************************************************************
** Functions
************************************************************************************/
static uint8_t interface_ready(void)
{
/* add checks here that would prevent API calls other than init to be executed */
if (bt_hal_cbacks == NULL)
return FALSE;
return TRUE;
}
/*****************************************************************************
**
** BLUETOOTH HAL INTERFACE FUNCTIONS
**
*****************************************************************************/
static int init(bt_callbacks_t* callbacks )
{
ALOGI("init");
/* sanity check */
if (interface_ready() == TRUE)
return BT_STATUS_DONE;
/* store reference to user callbacks */
bt_hal_cbacks = callbacks;
/* add checks for individual callbacks ? */
bt_utils_init();
/* init btif */
btif_init_bluetooth();
return BT_STATUS_SUCCESS;
}
static int enable( void )
{
ALOGI("enable");
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_enable_bluetooth();
}
static int disable(void)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_disable_bluetooth();
}
static void cleanup( void )
{
/* sanity check */
if (interface_ready() == FALSE)
return;
btif_shutdown_bluetooth();
bt_utils_cleanup();
/* hal callbacks reset upon shutdown complete callback */
return;
}
static int get_adapter_properties(void)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_get_adapter_properties();
}
static int get_adapter_property(bt_property_type_t type)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_get_adapter_property(type);
}
static int set_adapter_property(const bt_property_t *property)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_set_adapter_property(property);
}
int get_remote_device_properties(bt_bdaddr_t *remote_addr)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_get_remote_device_properties(remote_addr);
}
int get_remote_device_property(bt_bdaddr_t *remote_addr, bt_property_type_t type)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_get_remote_device_property(remote_addr, type);
}
int set_remote_device_property(bt_bdaddr_t *remote_addr, const bt_property_t *property)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_set_remote_device_property(remote_addr, property);
}
int get_remote_service_record(bt_bdaddr_t *remote_addr, bt_uuid_t *uuid)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_get_remote_service_record(remote_addr, uuid);
}
int get_remote_services(bt_bdaddr_t *remote_addr)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_get_remote_services(remote_addr);
}
static int start_discovery(void)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_start_discovery();
}
static int cancel_discovery(void)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_cancel_discovery();
}
static int create_bond(const bt_bdaddr_t *bd_addr)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_create_bond(bd_addr);
}
static int cancel_bond(const bt_bdaddr_t *bd_addr)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_cancel_bond(bd_addr);
}
static int remove_bond(const bt_bdaddr_t *bd_addr)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_remove_bond(bd_addr);
}
static int pin_reply(const bt_bdaddr_t *bd_addr, uint8_t accept,
uint8_t pin_len, bt_pin_code_t *pin_code)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_pin_reply(bd_addr, accept, pin_len, pin_code);
}
static int ssp_reply(const bt_bdaddr_t *bd_addr, bt_ssp_variant_t variant,
uint8_t accept, uint32_t passkey)
{
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dm_ssp_reply(bd_addr, variant, accept, passkey);
}
static const void* get_profile_interface (const char *profile_id)
{
ALOGI("get_profile_interface %s", profile_id);
/* sanity check */
if (interface_ready() == FALSE)
return NULL;
/* check for supported profile interfaces */
if (is_profile(profile_id, BT_PROFILE_HANDSFREE_ID))
return btif_hf_get_interface();
if (is_profile(profile_id, BT_PROFILE_SOCKETS_ID))
return btif_sock_get_interface();
if (is_profile(profile_id, BT_PROFILE_PAN_ID))
return btif_pan_get_interface();
if (is_profile(profile_id, BT_PROFILE_ADVANCED_AUDIO_ID))
return btif_av_get_interface();
if (is_profile(profile_id, BT_PROFILE_HIDHOST_ID))
return btif_hh_get_interface();
if (is_profile(profile_id, BT_PROFILE_HEALTH_ID))
return btif_hl_get_interface();
return NULL;
}
int dut_mode_configure(uint8_t enable)
{
ALOGI("dut_mode_configure");
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dut_mode_configure(enable);
}
int dut_mode_send(uint16_t opcode, uint8_t* buf, uint8_t len)
{
ALOGI("dut_mode_send");
/* sanity check */
if (interface_ready() == FALSE)
return BT_STATUS_NOT_READY;
return btif_dut_mode_send(opcode, buf, len);
}
static const bt_interface_t bluetoothInterface = {
sizeof(bt_interface_t),
init,
enable,
disable,
cleanup,
get_adapter_properties,
get_adapter_property,
set_adapter_property,
get_remote_device_properties,
get_remote_device_property,
set_remote_device_property,
get_remote_service_record,
get_remote_services,
start_discovery,
cancel_discovery,
create_bond,
remove_bond,
cancel_bond,
pin_reply,
ssp_reply,
get_profile_interface,
dut_mode_configure,
dut_mode_send
};
const bt_interface_t* bluetooth__get_bluetooth_interface ()
{
/* fixme -- add property to disable bt interface ? */
return &bluetoothInterface;
}
static int close_bluetooth_stack(struct hw_device_t* device)
{
cleanup();
return 0;
}
static int open_bluetooth_stack (const struct hw_module_t* module, char const* name,
struct hw_device_t** abstraction)
{
bluetooth_device_t *stack = malloc(sizeof(bluetooth_device_t) );
memset(stack, 0, sizeof(bluetooth_device_t) );
stack->common.tag = HARDWARE_DEVICE_TAG;
stack->common.version = 0;
stack->common.module = (struct hw_module_t*)module;
stack->common.close = close_bluetooth_stack;
stack->get_bluetooth_interface = bluetooth__get_bluetooth_interface;
*abstraction = (struct hw_device_t*)stack;
return 0;
}
static struct hw_module_methods_t bt_stack_module_methods = {
.open = open_bluetooth_stack,
};
struct hw_module_t HAL_MODULE_INFO_SYM = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 1,
.version_minor = 0,
.id = BT_HARDWARE_MODULE_ID,
.name = "Bluetooth Stack",
.author = "The Android Open Source Project",
.methods = &bt_stack_module_methods
};