mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
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163 lines
3.6 KiB
C
163 lines
3.6 KiB
C
/*
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* Copyright (C) 2014 Intel 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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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdlib.h>
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#include "hal-log.h"
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#include "hal.h"
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#include "hal-msg.h"
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#include "ipc-common.h"
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#include "hal-ipc.h"
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static const bthl_callbacks_t *cbacks = NULL;
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static bool interface_ready(void)
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{
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return cbacks != NULL;
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}
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/* handlers will be called from notification thread context,
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* index in table equals to 'opcode - HAL_MINIMUM_EVENT' */
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static const struct hal_ipc_handler ev_handlers[] = {
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};
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static bt_status_t unregister_application(int app_id)
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{
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struct hal_cmd_health_unreg_app cmd;
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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cmd.app_id = app_id;
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return hal_ipc_cmd(HAL_SERVICE_ID_HEALTH, HAL_OP_HEALTH_UNREG_APP,
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sizeof(cmd), &cmd, 0, NULL, NULL);
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}
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static bt_status_t connect_channel(int app_id, bt_bdaddr_t *bd_addr,
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int mdep_cfg_index, int *channel_id)
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{
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struct hal_cmd_health_connect_channel cmd;
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struct hal_rsp_health_connect_channel rsp;
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size_t len = sizeof(rsp);
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bt_status_t status;
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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if (!bd_addr || !channel_id)
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return BT_STATUS_PARM_INVALID;
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cmd.app_id = app_id;
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cmd.mdep_index = mdep_cfg_index;
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memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
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status = hal_ipc_cmd(HAL_SERVICE_ID_HEALTH,
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HAL_OP_HEALTH_CONNECT_CHANNEL,
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sizeof(cmd), &cmd, &len, &rsp, NULL);
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if (status == HAL_STATUS_SUCCESS)
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*channel_id = rsp.channel_id;
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return status;
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}
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static bt_status_t destroy_channel(int channel_id)
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{
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struct hal_cmd_health_destroy_channel cmd;
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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cmd.channel_id = channel_id;
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return hal_ipc_cmd(HAL_SERVICE_ID_HEALTH, HAL_OP_HEALTH_DESTROY_CHANNEL,
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sizeof(cmd), &cmd, 0, NULL, NULL);
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}
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static bt_status_t init(bthl_callbacks_t *callbacks)
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{
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struct hal_cmd_register_module cmd;
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int ret;
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DBG("");
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if (interface_ready())
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return BT_STATUS_DONE;
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/* store reference to user callbacks */
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cbacks = callbacks;
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hal_ipc_register(HAL_SERVICE_ID_HEALTH, ev_handlers,
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sizeof(ev_handlers)/sizeof(ev_handlers[0]));
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cmd.service_id = HAL_SERVICE_ID_HEALTH;
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ret = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
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sizeof(cmd), &cmd, 0, NULL, NULL);
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if (ret != BT_STATUS_SUCCESS) {
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cbacks = NULL;
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hal_ipc_unregister(HAL_SERVICE_ID_HEALTH);
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}
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return ret;
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}
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static void cleanup(void)
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{
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struct hal_cmd_unregister_module cmd;
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DBG("");
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if (!interface_ready())
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return;
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cbacks = NULL;
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cmd.service_id = HAL_SERVICE_ID_HEALTH;
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hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_UNREGISTER_MODULE,
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sizeof(cmd), &cmd, 0, NULL, NULL);
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hal_ipc_unregister(HAL_SERVICE_ID_HEALTH);
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}
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static bthl_interface_t health_if = {
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.size = sizeof(health_if),
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.init = init,
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.register_application = NULL,
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.unregister_application = unregister_application,
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.connect_channel = connect_channel,
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.destroy_channel = destroy_channel,
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.cleanup = cleanup
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};
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bthl_interface_t *bt_get_health_interface(void)
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{
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return &health_if;
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}
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