03d5df265c
1. Remove hwc_context_t from libexternal since this is a construct
that should only be used in libhwcomposer.
2. Clean up redundant code by creating utility functions to
a. open a sysfs node in a given mode
b. improving EDID mode storage/manipulation
c. creating/destroying composition objects
3. Add utility functions to
a. get the connected state of the external display
b. determine which interface the external display is connected to
(primary or external)
c. activate the hdmi interface by setting the resolution via an
ioctl
d. update/reset external display information when a device
connected/disconnected
Change-Id: Iba34c9e43b39ccb9c9436deb726587bd1b26b779
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/*
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* Copyright (C) 2013, 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 or 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 _QD_UTIL_MISC_H
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#define _QD_UTIL_MISC_H
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#include <utils/threads.h>
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#include <linux/fb.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <linux/fb.h>
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#include <sys/ioctl.h>
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#include <sys/poll.h>
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#include <sys/resource.h>
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#include <cutils/properties.h>
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#include <hardware/hwcomposer.h>
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namespace qdutils {
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#define EDID_RAW_DATA_SIZE 640
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enum qd_utils {
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MAX_FRAME_BUFFER_NAME_SIZE = 128,
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MAX_SYSFS_FILE_PATH = 255,
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SUPPORTED_DOWNSCALE_AREA = (1920*1080)
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};
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int getHDMINode(void);
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int getEdidRawData(char *buffer);
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void getAspectRatioPosition(int destWidth, int destHeight, int srcWidth,
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int srcHeight, hwc_rect_t& rect);
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}; //namespace qdutils
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#endif
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