bluez/android/hal-bluetooth.c
Szymon Janc 385e1e4f25 android: Improve hal_ipc_cmd helper
Handle error response inside helper so that users don't expecting any
response don't need to provide dummy buffer only for error (which is
already return value of helper).
2013-10-22 10:32:41 +03:00

385 lines
7.3 KiB
C

/*
* Copyright (C) 2013 Intel 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <hardware/bluetooth.h>
#include <hardware/bt_sock.h>
#include <hardware/bt_hh.h>
#include <hardware/bt_pan.h>
#include "hal-log.h"
#include "hal.h"
#include "hal-msg.h"
#include "hal-ipc.h"
bt_callbacks_t *bt_hal_cbacks = NULL;
static bool interface_ready(void)
{
return bt_hal_cbacks != NULL;
}
static int init(bt_callbacks_t *callbacks)
{
struct hal_msg_cmd_register_module cmd;
DBG("");
if (interface_ready())
return BT_STATUS_SUCCESS;
if (!hal_ipc_init())
return BT_STATUS_FAIL;
bt_hal_cbacks = callbacks;
cmd.service_id = HAL_SERVICE_ID_BLUETOOTH;
if (hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_MSG_OP_REGISTER_MODULE,
sizeof(cmd), &cmd, 0, NULL, NULL) < 0) {
error("Failed to register 'bluetooth' service");
goto fail;
}
cmd.service_id = HAL_SERVICE_ID_SOCK;
if (hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_MSG_OP_REGISTER_MODULE,
sizeof(cmd), &cmd, 0, NULL, NULL) < 0) {
error("Failed to register 'socket' service");
goto fail;
}
return BT_STATUS_SUCCESS;
fail:
hal_ipc_cleanup();
bt_hal_cbacks = NULL;
return BT_STATUS_FAIL;
}
static int enable(void)
{
DBG("");
return BT_STATUS_UNSUPPORTED;
}
static int disable(void)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static void cleanup(void)
{
DBG("");
if (!interface_ready())
return;
hal_ipc_cleanup();
bt_hal_cbacks = NULL;
}
static int get_adapter_properties(void)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int get_adapter_property(bt_property_type_t type)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int set_adapter_property(const bt_property_t *property)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
if (property == NULL)
return BT_STATUS_PARM_INVALID;
return BT_STATUS_UNSUPPORTED;
}
static int get_remote_device_properties(bt_bdaddr_t *remote_addr)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int get_remote_device_property(bt_bdaddr_t *remote_addr,
bt_property_type_t type)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int set_remote_device_property(bt_bdaddr_t *remote_addr,
const bt_property_t *property)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int get_remote_service_record(bt_bdaddr_t *remote_addr, bt_uuid_t *uuid)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int get_remote_services(bt_bdaddr_t *remote_addr)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int start_discovery(void)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int cancel_discovery(void)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int create_bond(const bt_bdaddr_t *bd_addr)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
if (!bd_addr)
return BT_STATUS_PARM_INVALID;
return BT_STATUS_UNSUPPORTED;
}
static int cancel_bond(const bt_bdaddr_t *bd_addr)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int remove_bond(const bt_bdaddr_t *bd_addr)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int pin_reply(const bt_bdaddr_t *bd_addr, uint8_t accept,
uint8_t pin_len, bt_pin_code_t *pin_code)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int ssp_reply(const bt_bdaddr_t *bd_addr, bt_ssp_variant_t variant,
uint8_t accept, uint32_t passkey)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
if (!bd_addr)
return BT_STATUS_PARM_INVALID;
return BT_STATUS_UNSUPPORTED;
}
static const void *get_profile_interface(const char *profile_id)
{
DBG("%s: %s", __func__, profile_id);
if (!interface_ready())
return NULL;
if (!strcmp(profile_id, BT_PROFILE_SOCKETS_ID))
return bt_get_sock_interface();
if (!strcmp(profile_id, BT_PROFILE_HIDHOST_ID))
return bt_get_hidhost_interface();
if (!strcmp(profile_id, BT_PROFILE_PAN_ID))
return bt_get_pan_interface();
return NULL;
}
static int dut_mode_configure(uint8_t enable)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static int dut_mode_send(uint16_t opcode, uint8_t *buf, uint8_t len)
{
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
return BT_STATUS_UNSUPPORTED;
}
static const bt_interface_t bluetooth_if = {
.size = sizeof(bt_interface_t),
.init = init,
.enable = enable,
.disable = disable,
.cleanup = cleanup,
.get_adapter_properties = get_adapter_properties,
.get_adapter_property = get_adapter_property,
.set_adapter_property = set_adapter_property,
.get_remote_device_properties = get_remote_device_properties,
.get_remote_device_property = get_remote_device_property,
.set_remote_device_property = set_remote_device_property,
.get_remote_service_record = get_remote_service_record,
.get_remote_services = get_remote_services,
.start_discovery = start_discovery,
.cancel_discovery = cancel_discovery,
.create_bond = create_bond,
.remove_bond = remove_bond,
.cancel_bond = cancel_bond,
.pin_reply = pin_reply,
.ssp_reply = ssp_reply,
.get_profile_interface = get_profile_interface,
.dut_mode_configure = dut_mode_configure,
.dut_mode_send = dut_mode_send
};
static const bt_interface_t *get_bluetooth_interface(void)
{
DBG("");
return &bluetooth_if;
}
static int close_bluetooth(struct hw_device_t *device)
{
DBG("");
cleanup();
return 0;
}
static int open_bluetooth(const struct hw_module_t *module, char const *name,
struct hw_device_t **device)
{
bluetooth_device_t *dev = malloc(sizeof(bluetooth_device_t));
DBG("");
memset(dev, 0, sizeof(bluetooth_device_t));
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = 0;
dev->common.module = (struct hw_module_t *) module;
dev->common.close = close_bluetooth;
dev->get_bluetooth_interface = get_bluetooth_interface;
*device = (struct hw_device_t *) dev;
return 0;
}
static struct hw_module_methods_t bluetooth_module_methods = {
.open = open_bluetooth,
};
struct hw_module_t HAL_MODULE_INFO_SYM = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 1,
.version_minor = 0,
.id = BT_HARDWARE_MODULE_ID,
.name = "BlueZ Bluetooth stack",
.author = "Intel Corporation",
.methods = &bluetooth_module_methods
};