fm_hci/fm_hci.h

/*
 * Copyright (c) 2015-2017 The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *        * Redistributions of source code must retain the above copyright
 *            notice, this list of conditions and the following disclaimer.
 *        * Redistributions in binary form must reproduce the above
 *            copyright notice, this list of conditions and the following
 *            disclaimer in the documentation and/or other materials provided
 *            with the distribution.
 *        * Neither the name of The Linux Foundation nor the names of its
 *            contributors may be used to endorse or promote products derived
 *            from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __FM_HCI__
#define __FM_HCI__

#include "fm_hci_api.h"

#define FM_CMD_COMPLETE 0x0f
#define FM_CMD_STATUS   0x10
#define FM_HW_ERR_EVENT 0x1A

struct fm_hci_t {
    public:
        fm_power_state_t state;
        std::condition_variable on_cond;
        std::mutex on_mtx;

        bool is_tx_processing;
        bool is_rx_processing;

        bool is_tx_thread_running;
        bool is_rx_thread_running;

        std::condition_variable tx_cond;
        std::mutex tx_cond_mtx;

        std::condition_variable rx_cond;
        std::mutex rx_cond_mtx;

        std::mutex tx_queue_mtx;
        std::mutex rx_queue_mtx;

        std::mutex credit_mtx;
        std::condition_variable cmd_credits_cond;

        std::queue<struct fm_command_header_t *> tx_cmd_queue;
        std::queue<struct fm_event_header_t *> rx_event_queue;

        volatile uint16_t command_credits;
        struct fm_hci_callbacks_t *cb;

        std::thread tx_thread_;
        std::thread rx_thread_;
};

#endif