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92 lines
3.4 KiB
92 lines
3.4 KiB
/*
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* Copyright (c) 2017 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 QHDMI_CEC_H
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#define QHDMI_CEC_H
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#include <hardware/hdmi_cec.h>
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#include <sys/poll.h>
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#include <sys/prctl.h>
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#include <sys/socket.h>
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#include <sys/resource.h>
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#include <linux/netlink.h>
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#include <thread>
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#include <vector>
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namespace qhdmicec {
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static const int MAX_STRING_LENGTH = 1024;
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struct cec_callback_t {
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// Function in HDMI service to call back on CEC messages
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event_callback_t callback_func;
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// This stores the object to pass back to the framework
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void* callback_arg;
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};
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struct eventData;
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struct cec_context_t {
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hdmi_cec_device_t device; // Device for HW module
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cec_callback_t callback; // Struct storing callback object
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bool enabled;
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bool arc_enabled;
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bool system_control; // If true, HAL/driver handle CEC messages
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int fb_num; // Framebuffer node for HDMI
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std::string fb_sysfs_path;
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hdmi_port_info *port_info; // HDMI port info
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// Logical address is stored in an array, the index of the array is the
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// logical address and the value in the index shows whether it is set or not
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int logical_address[CEC_ADDR_BROADCAST];
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int version;
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uint32_t vendor_id;
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std::vector<pollfd> poll_fds; // poll fds for cec message monitor and exit signal
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// on cec message monitor thread
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int exit_fd = -1;
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bool cec_exit_thread = false;
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std::thread hdmi_cec_monitor; // hdmi plugin monitor thread variable
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char data[MAX_STRING_LENGTH] = {0};
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std::vector<std::string> node_list = {};
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std::vector<eventData> event_data_list = {};
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};
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struct eventData {
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const char* event_name = NULL;
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void (*event_parser)(cec_context_t* ctx, uint32_t node_event) = NULL;
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};
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void cec_receive_message(cec_context_t *ctx, char *msg, ssize_t len);
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void cec_hdmi_hotplug(cec_context_t *ctx, int connected);
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}; //namespace
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#endif /* end of include guard: QHDMI_CEC_H */
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