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/*
* Copyright (C) 2014 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.
*
*/
#define _GNU_SOURCE
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#include "hal-utils.h"
#include "hal-log.h"
#include "hal.h"
#include "hal-msg.h"
#include "ipc-common.h"
#include "hal-ipc.h"
static const btrc_ctrl_callbacks_t *cbs = NULL;
static bool interface_ready(void)
{
return cbs != NULL;
}
static void handle_connection_state(void *buf, uint16_t len, int fd)
{
struct hal_ev_avrcp_ctrl_conn_state *ev = buf;
if (cbs->connection_state_cb)
cbs->connection_state_cb(ev->state,
(bt_bdaddr_t *) (ev->bdaddr));
}
static void handle_passthrough_rsp(void *buf, uint16_t len, int fd)
{
struct hal_ev_avrcp_ctrl_passthrough_rsp *ev = buf;
if (cbs->passthrough_rsp_cb)
cbs->passthrough_rsp_cb(ev->id, ev->key_state);
}
/*
* 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_AVRCP_CTRL_CONN_STATE */
{ handle_connection_state, false,
sizeof(struct hal_ev_avrcp_ctrl_conn_state) },
/* HAL_EV_AVRCP_CTRL_PASSTHROUGH_RSP */
{ handle_passthrough_rsp, false,
sizeof(struct hal_ev_avrcp_ctrl_passthrough_rsp) },
};
static bt_status_t init(btrc_ctrl_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_AVRCP_CTRL, ev_handlers,
sizeof(ev_handlers) / sizeof(ev_handlers[0]));
cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
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_AVRCP_CTRL);
}
return ret;
}
static bt_status_t send_pass_through_cmd(bt_bdaddr_t *bd_addr, uint8_t key_code,
uint8_t key_state)
{
struct hal_cmd_avrcp_ctrl_send_passthrough cmd;
DBG("");
if (!interface_ready())
return BT_STATUS_NOT_READY;
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
cmd.key_code = key_code;
cmd.key_state = key_state;
return hal_ipc_cmd(HAL_SERVICE_ID_AVRCP_CTRL,
HAL_OP_AVRCP_CTRL_SEND_PASSTHROUGH,
sizeof(cmd), &cmd, NULL, NULL, NULL);
}
static void cleanup(void)
{
struct hal_cmd_unregister_module cmd;
DBG("");
if (!interface_ready())
return;
cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_UNREGISTER_MODULE,
sizeof(cmd), &cmd, NULL, NULL, NULL);
hal_ipc_unregister(HAL_SERVICE_ID_AVRCP_CTRL);
cbs = NULL;
}
static btrc_ctrl_interface_t iface = {
.size = sizeof(iface),
.init = init,
.send_pass_through_cmd = send_pass_through_cmd,
.cleanup = cleanup
};
btrc_ctrl_interface_t *bt_get_avrcp_ctrl_interface(void)
{
return &iface;
}
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