| /* 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 "hardware/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; |
| virtual int32_t getOldestFrameNumber(uint32_t &index) = 0; |
| |
| QCamera3Memory(); |
| virtual ~QCamera3Memory(); |
| |
| int32_t getBufDef(const cam_frame_len_offset_t &offset, |
| mm_camera_buf_def_t &bufDef, uint32_t index, bool virtualAddr); |
| |
| protected: |
| struct QCamera3MemInfo { |
| int 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; |
| int main_ion_fd = -1; |
| }; |
| |
| // 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); |
| virtual int32_t getOldestFrameNumber(uint32_t &index); |
| |
| 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); |
| virtual int32_t getOldestFrameNumber(uint32_t &index); |
| |
| 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 |