You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.4 KiB
74 lines
2.4 KiB
/* |
|
* Copyright (c) 2011-2012, The Linux Foundation. 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 The Linux Foundation 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 |
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
*/ |
|
|
|
#ifndef GRALLOC_IONALLOC_H |
|
#define GRALLOC_IONALLOC_H |
|
|
|
#include <linux/msm_ion.h> |
|
#include "memalloc.h" |
|
#include "gr.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, int op); |
|
|
|
IonAlloc() { mIonFd = FD_INIT; } |
|
|
|
~IonAlloc() { close_device(); } |
|
|
|
private: |
|
int mIonFd; |
|
|
|
int open_device(); |
|
|
|
void close_device(); |
|
|
|
mutable Locker mLock; |
|
|
|
}; |
|
|
|
} |
|
|
|
#endif /* GRALLOC_IONALLOC_H */ |
|
|
|
|