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75 lines
2.8 KiB
75 lines
2.8 KiB
4 months ago
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/*
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* Copyright (c) 2014 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 <utils/RefBase.h>
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namespace qClient {
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class QHDMIClient;
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};
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namespace qhdmicec {
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#define SYSFS_BASE "/sys/class/graphics/fb"
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#define MAX_PATH_LENGTH 128
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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 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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char fb_sysfs_path[MAX_PATH_LENGTH];
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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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android::sp<qClient::QHDMIClient> disp_client;
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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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