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/* Copyright (c) 2012-2016, 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 __QCAMERA3HWI_MEM_H__
#define __QCAMERA3HWI_MEM_H__
// System dependencies
#include <linux/msm_ion.h>
#include <utils/Mutex.h>
// Camera dependencies
#include "camera3.h"
extern "C" {
#include "mm_camera_interface.h"
}
using namespace android;
namespace qcamera {
// Base class for all memory types. Abstract.
class QCamera3Memory {
public:
int cleanCache(uint32_t index)
{
return cacheOps(index, ION_IOC_CLEAN_CACHES);
}
int invalidateCache(uint32_t index)
{
return cacheOps(index, ION_IOC_INV_CACHES);
}
int cleanInvalidateCache(uint32_t index)
{
return cacheOps(index, ION_IOC_CLEAN_INV_CACHES);
}
int getFd(uint32_t index);
ssize_t getSize(uint32_t index);
uint32_t getCnt();
virtual int cacheOps(uint32_t index, unsigned int cmd) = 0;
virtual int getMatchBufIndex(void *object) = 0;
virtual void *getPtr(uint32_t index) = 0;
virtual int32_t markFrameNumber(uint32_t index, uint32_t frameNumber) = 0;
virtual int32_t getFrameNumber(uint32_t index) = 0;
virtual int32_t getBufferIndex(uint32_t frameNumber) = 0;
QCamera3Memory();
virtual ~QCamera3Memory();
int32_t getBufDef(const cam_frame_len_offset_t &offset,
mm_camera_buf_def_t &bufDef, uint32_t index);
protected:
struct QCamera3MemInfo {
int fd;
int main_ion_fd;
ion_user_handle_t handle;
size_t size;
};
int cacheOpsInternal(uint32_t index, unsigned int cmd, void *vaddr);
virtual void *getPtrLocked(uint32_t index) = 0;
uint32_t mBufferCount;
struct QCamera3MemInfo mMemInfo[MM_CAMERA_MAX_NUM_FRAMES];
void *mPtr[MM_CAMERA_MAX_NUM_FRAMES];
int32_t mCurrentFrameNumbers[MM_CAMERA_MAX_NUM_FRAMES];
Mutex mLock;
};
// Internal heap memory is used for memories used internally
// They are allocated from /dev/ion. Examples are: capabilities,
// parameters, metadata, and internal YUV data for jpeg encoding.
class QCamera3HeapMemory : public QCamera3Memory {
public:
QCamera3HeapMemory(uint32_t maxCnt);
virtual ~QCamera3HeapMemory();
int allocate(size_t size);
int allocateOne(size_t size);
void deallocate();
virtual int cacheOps(uint32_t index, unsigned int cmd);
virtual int getMatchBufIndex(void *object);
virtual void *getPtr(uint32_t index);
virtual int32_t markFrameNumber(uint32_t index, uint32_t frameNumber);
virtual int32_t getFrameNumber(uint32_t index);
virtual int32_t getBufferIndex(uint32_t frameNumber);
protected:
virtual void *getPtrLocked(uint32_t index);
private:
int allocOneBuffer(struct QCamera3MemInfo &memInfo,
unsigned int heap_id, size_t size);
void deallocOneBuffer(struct QCamera3MemInfo &memInfo);
uint32_t mMaxCnt;
};
// Gralloc Memory shared with frameworks
class QCamera3GrallocMemory : public QCamera3Memory {
public:
QCamera3GrallocMemory(uint32_t startIdx);
virtual ~QCamera3GrallocMemory();
int registerBuffer(buffer_handle_t *buffer, cam_stream_type_t type);
int32_t unregisterBuffer(size_t idx);
void unregisterBuffers();
virtual int cacheOps(uint32_t index, unsigned int cmd);
virtual int getMatchBufIndex(void *object);
virtual void *getPtr(uint32_t index);
virtual int32_t markFrameNumber(uint32_t index, uint32_t frameNumber);
virtual int32_t getFrameNumber(uint32_t index);
virtual int32_t getBufferIndex(uint32_t frameNumber);
void *getBufferHandle(uint32_t index);
protected:
virtual void *getPtrLocked(uint32_t index);
private:
int32_t unregisterBufferLocked(size_t idx);
int32_t getFreeIndexLocked();
buffer_handle_t *mBufferHandle[MM_CAMERA_MAX_NUM_FRAMES];
struct private_handle_t *mPrivateHandle[MM_CAMERA_MAX_NUM_FRAMES];
uint32_t mStartIdx;
};
};
#endif
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