mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-13 05:54:34 +08:00
155 lines
3.3 KiB
C
155 lines
3.3 KiB
C
/*
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* Copyright (C) 2013 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 "hal-log.h"
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#include "hal.h"
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#include "hal-msg.h"
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#include "hal-ipc.h"
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static const btav_callbacks_t *cbs = NULL;
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static bool interface_ready(void)
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{
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return cbs != NULL;
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}
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static void handle_conn_state(void *buf, uint16_t len)
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{
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struct hal_ev_a2dp_conn_state *ev = buf;
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if (cbs->connection_state_cb)
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cbs->connection_state_cb(ev->state,
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(bt_bdaddr_t *) (ev->bdaddr));
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}
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static void handle_audio_state(void *buf, uint16_t len)
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{
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struct hal_ev_a2dp_audio_state *ev = buf;
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if (cbs->audio_state_cb)
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cbs->audio_state_cb(ev->state, (bt_bdaddr_t *)(ev->bdaddr));
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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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{ /* HAL_EV_A2DP_CONN_STATE */
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.handler = handle_conn_state,
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.var_len = false,
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.data_len = sizeof(struct hal_ev_a2dp_conn_state),
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},
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{ /* HAL_EV_A2DP_AUDIO_STATE */
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.handler = handle_audio_state,
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.var_len = false,
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.data_len = sizeof(struct hal_ev_a2dp_audio_state),
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},
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};
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static bt_status_t a2dp_connect(bt_bdaddr_t *bd_addr)
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{
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struct hal_cmd_a2dp_connect 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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memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
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return hal_ipc_cmd(HAL_SERVICE_ID_A2DP, HAL_OP_A2DP_CONNECT,
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sizeof(cmd), &cmd, NULL, NULL, NULL);
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}
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static bt_status_t disconnect(bt_bdaddr_t *bd_addr)
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{
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struct hal_cmd_a2dp_disconnect 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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memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
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return hal_ipc_cmd(HAL_SERVICE_ID_A2DP, HAL_OP_A2DP_DISCONNECT,
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sizeof(cmd), &cmd, NULL, NULL, NULL);
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}
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static bt_status_t init(btav_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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cbs = callbacks;
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hal_ipc_register(HAL_SERVICE_ID_A2DP, ev_handlers,
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sizeof(ev_handlers)/sizeof(ev_handlers[0]));
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cmd.service_id = HAL_SERVICE_ID_A2DP;
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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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cbs = NULL;
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hal_ipc_unregister(HAL_SERVICE_ID_A2DP);
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}
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return ret;
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}
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static void cleanup()
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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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cbs = NULL;
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cmd.service_id = HAL_SERVICE_ID_A2DP;
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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_A2DP);
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}
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static btav_interface_t iface = {
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.size = sizeof(iface),
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.init = init,
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.connect = a2dp_connect,
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.disconnect = disconnect,
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.cleanup = cleanup
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};
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btav_interface_t *bt_get_a2dp_interface()
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{
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return &iface;
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}
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