101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/*
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* Copyright (c) 2015-2016 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __FM_HCI__
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#define __FM_HCI__
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#include "bt_hci_bdroid.h"
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#include "bt_vendor_lib.h"
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#include "fm_hci_api.h"
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/* Host/Controller lib internal event ID */
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#define HC_EVENT_PRELOAD 0x0001
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#define HC_EVENT_POSTLOAD 0x0002
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#define HC_EVENT_RX 0x0004
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#define HC_EVENT_TX 0x0008
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#define HC_EVENT_LPM_ENABLE 0x0010
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#define HC_EVENT_LPM_DISABLE 0x0020
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#define HC_EVENT_LPM_WAKE_DEVICE 0x0040
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#define HC_EVENT_LPM_ALLOW_SLEEP 0x0080
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#define HC_EVENT_LPM_IDLE_TIMEOUT 0x0100
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#define HC_EVENT_EXIT 0x0200
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#define HC_EVENT_EPILOG 0x0400
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#define MAX_FM_CMD_CNT 100
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#define FM_CMD 0x11
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#define FM_EVT 0x14
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#define MAX_FM_EVT_PARAMS 255
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#define FM_CMD_COMPLETE 0x0f
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#define FM_CMD_STATUS 0x10
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#define FM_HW_ERR_EVENT 0x1A
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/* TODO: move inside context */
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static volatile uint8_t lib_running = 0;
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static volatile uint16_t ready_events = 0;
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// The set of events one can send to the userial read thread.
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// Note that the values must be >= 0x8000000000000000 to guarantee delivery
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// of the message (see eventfd(2) for details on blocking behaviour).
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enum {
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USERIAL_RX_EXIT = 0x8000000000000000ULL
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};
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struct transmit_queue_t {
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struct fm_command_header_t *hdr;
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struct transmit_queue_t *next;
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};
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struct fm_hci_t {
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int fd;
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pthread_mutex_t credit_lock;
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pthread_cond_t cmd_credits_cond;
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pthread_mutex_t event_lock;
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pthread_cond_t event_cond;
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pthread_t hal_thread;
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pthread_t tx_thread;
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pthread_t rx_thread;
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pthread_t mon_thread;
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pthread_mutex_t tx_q_lock;
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struct transmit_queue_t *first;
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struct transmit_queue_t *last;
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void *dlhandle;
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bt_vendor_interface_t *vendor;
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struct fm_hci_callbacks_t *cb;
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void *private_data;
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volatile uint16_t command_credits;
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};
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#endif
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