android_hardware_qcom_display/libgralloc/ionalloc.h
andrew.boren 29808884a9 qcom/display: Fix ion header.
Change-Id: I4a7759c2bf52433565c8501c22627794fb9c45a1
2012-09-30 00:45:38 -07:00

77 lines
2.4 KiB
C++

/*
* Copyright (c) 2011-2012, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GRALLOC_IONALLOC_H
#define GRALLOC_IONALLOC_H
#include "memalloc.h"
#include "gr.h"
//#include <linux/ion.h>
//XXX: Move to bionic
#include "ion_msm.h"
namespace gralloc {
class IonAlloc : public IMemAlloc {
public:
virtual int alloc_buffer(alloc_data& data);
virtual int free_buffer(void *base, size_t size,
int offset, int fd);
virtual int map_buffer(void **pBase, size_t size,
int offset, int fd);
virtual int unmap_buffer(void *base, size_t size,
int offset);
virtual int clean_buffer(void*base, size_t size,
int offset, int fd);
IonAlloc() { mIonFd = FD_INIT; }
~IonAlloc() { close_device(); }
private:
int mIonFd;
int open_device();
void close_device();
mutable Locker mLock;
};
}
#endif /* GRALLOC_IONALLOC_H */