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// SPDX-License-Identifier: Apache-2.0
/*
* Copyright (C) 2014 Intel Corporation
*
*/
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include "hal-log.h"
#include "hal.h"
#include "hal-msg.h"
#include "hal-ipc.h"
static const btav_callbacks_t *cbs = NULL;
static bool interface_ready(void)
{
return cbs != NULL;
}
static void handle_conn_state(void *buf, uint16_t len, int fd)
{
struct hal_ev_a2dp_conn_state *ev = buf;
if (cbs->connection_state_cb)
cbs->connection_state_cb(ev->state,
(bt_bdaddr_t *) (ev->bdaddr));
}
static void handle_audio_state(void *buf, uint16_t len, int fd)
{
struct hal_ev_a2dp_audio_state *ev = buf;
if (cbs->audio_state_cb)
cbs->audio_state_cb(ev->state, (bt_bdaddr_t *)(ev->bdaddr));
}
static void handle_audio_config(void *buf, uint16_t len, int fd)
{
struct hal_ev_a2dp_audio_config *ev = buf;
if (cbs->audio_config_cb)
cbs->audio_config_cb((bt_bdaddr_t *)(ev->bdaddr),
ev->sample_rate, ev->channel_count);
}
/*
* handlers will be called from notification thread context,
* index in table equals to 'opcode - HAL_MINIMUM_EVENT'
*/
static const struct hal_ipc_handler ev_handlers[] = {
/* HAL_EV_A2DP_CONN_STATE */
{ handle_conn_state, false, sizeof(struct hal_ev_a2dp_conn_state) },
/* HAL_EV_A2DP_AUDIO_STATE */
{ handle_audio_state, false, sizeof(struct hal_ev_a2dp_audio_state) },
/* HAL_EV_A2DP_AUDIO_CONFIG */
{ handle_audio_config, false, sizeof(struct hal_ev_a2dp_audio_config) },
};
static bt_status_t a2dp_connect(bt_bdaddr_t *bd_addr)
{
struct hal_cmd_a2dp_connect cmd;
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
return hal_ipc_cmd(HAL_SERVICE_ID_A2DP_SINK, HAL_OP_A2DP_CONNECT,
sizeof(cmd), &cmd, NULL, NULL, NULL);
}
static bt_status_t disconnect(bt_bdaddr_t *bd_addr)
{
struct hal_cmd_a2dp_disconnect cmd;
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
return hal_ipc_cmd(HAL_SERVICE_ID_A2DP_SINK, HAL_OP_A2DP_DISCONNECT,
sizeof(cmd), &cmd, NULL, NULL, NULL);
}
static bt_status_t init(btav_callbacks_t *callbacks)
{
struct hal_cmd_register_module cmd;
int ret;
DBG("");
if (interface_ready())
return BT_STATUS_DONE;
cbs = callbacks;
hal_ipc_register(HAL_SERVICE_ID_A2DP_SINK, ev_handlers,
sizeof(ev_handlers)/sizeof(ev_handlers[0]));
cmd.service_id = HAL_SERVICE_ID_A2DP_SINK;
cmd.mode = HAL_MODE_DEFAULT;
cmd.max_clients = 1;
ret = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
sizeof(cmd), &cmd, NULL, NULL, NULL);
if (ret != BT_STATUS_SUCCESS) {
cbs = NULL;
hal_ipc_unregister(HAL_SERVICE_ID_A2DP_SINK);
}
return ret;
}
static void cleanup(void)
{
struct hal_cmd_unregister_module cmd;
DBG("");
if (!interface_ready())
return;
cmd.service_id = HAL_SERVICE_ID_A2DP_SINK;
hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_UNREGISTER_MODULE,
sizeof(cmd), &cmd, NULL, NULL, NULL);
hal_ipc_unregister(HAL_SERVICE_ID_A2DP_SINK);
cbs = NULL;
}
static btav_interface_t iface = {
.size = sizeof(iface),
.init = init,
.connect = a2dp_connect,
.disconnect = disconnect,
.cleanup = cleanup
};
btav_interface_t *bt_get_a2dp_sink_interface(void)
{
return &iface;
}
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