146 lines
3.4 KiB
C
146 lines
3.4 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-utils.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 btrc_ctrl_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_connection_state(void *buf, uint16_t len, int fd)
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{
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struct hal_ev_avrcp_ctrl_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_passthrough_rsp(void *buf, uint16_t len, int fd)
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{
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struct hal_ev_avrcp_ctrl_passthrough_rsp *ev = buf;
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if (cbs->passthrough_rsp_cb)
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cbs->passthrough_rsp_cb(ev->id, ev->key_state);
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}
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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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*/
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static const struct hal_ipc_handler ev_handlers[] = {
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/* HAL_EV_AVRCP_CTRL_CONN_STATE */
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{ handle_connection_state, false,
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sizeof(struct hal_ev_avrcp_ctrl_conn_state) },
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/* HAL_EV_AVRCP_CTRL_PASSTHROUGH_RSP */
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{ handle_passthrough_rsp, false,
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sizeof(struct hal_ev_avrcp_ctrl_passthrough_rsp) },
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};
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static bt_status_t init(btrc_ctrl_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_AVRCP_CTRL, ev_handlers,
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sizeof(ev_handlers) / sizeof(ev_handlers[0]));
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cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
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cmd.mode = HAL_MODE_DEFAULT;
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cmd.max_clients = 1;
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ret = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
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sizeof(cmd), &cmd, NULL, 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_AVRCP_CTRL);
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}
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return ret;
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}
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static bt_status_t send_pass_through_cmd(bt_bdaddr_t *bd_addr, uint8_t key_code,
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uint8_t key_state)
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{
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struct hal_cmd_avrcp_ctrl_send_passthrough 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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cmd.key_code = key_code;
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cmd.key_state = key_state;
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return hal_ipc_cmd(HAL_SERVICE_ID_AVRCP_CTRL,
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HAL_OP_AVRCP_CTRL_SEND_PASSTHROUGH,
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sizeof(cmd), &cmd, NULL, NULL, NULL);
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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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cmd.service_id = HAL_SERVICE_ID_AVRCP_CTRL;
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hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_UNREGISTER_MODULE,
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sizeof(cmd), &cmd, NULL, NULL, NULL);
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hal_ipc_unregister(HAL_SERVICE_ID_AVRCP_CTRL);
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cbs = NULL;
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}
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static btrc_ctrl_interface_t iface = {
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.size = sizeof(iface),
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.init = init,
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.send_pass_through_cmd = send_pass_through_cmd,
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.cleanup = cleanup
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};
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btrc_ctrl_interface_t *bt_get_avrcp_ctrl_interface(void)
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{
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return &iface;
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}
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