mirror of
https://github.com/S3NEO/android_device_samsung_msm8226-common.git
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340a5fd9d5
i and fragi ported the qcom camera HAL fro our neo ;) Change-Id: I32c48bb506263bc3dab45049c4461b4124661aef
182 lines
6.7 KiB
C++
182 lines
6.7 KiB
C++
/* Copyright (c) 2012-2013, The Linux Foundataion. 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 nor 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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*/
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#ifndef __QCAMERA2HWI_MEM_H__
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#define __QCAMERA2HWI_MEM_H__
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#include <hardware/camera.h>
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#include <utils/Mutex.h>
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extern "C" {
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#include <sys/types.h>
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#include <linux/msm_ion.h>
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#include <mm_camera_interface.h>
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}
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namespace qcamera {
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// Base class for all memory types. Abstract.
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class QCameraMemory {
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public:
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int cleanCache(int index) {return cacheOps(index, ION_IOC_CLEAN_CACHES);}
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int invalidateCache(int index) {return cacheOps(index, ION_IOC_INV_CACHES);}
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int cleanInvalidateCache(int index) {return cacheOps(index, ION_IOC_CLEAN_INV_CACHES);}
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int getFd(int index) const;
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int getSize(int index) const;
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int getCnt() const;
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virtual int allocate(int count, int size) = 0;
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virtual void deallocate() = 0;
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virtual int cacheOps(int index, unsigned int cmd) = 0;
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virtual int getRegFlags(uint8_t *regFlags) const = 0;
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virtual camera_memory_t *getMemory(int index, bool metadata) const = 0;
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virtual int getMatchBufIndex(const void *opaque, bool metadata) const = 0;
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virtual void *getPtr(int index) const= 0;
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QCameraMemory(bool cached);
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virtual ~QCameraMemory();
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void getBufDef(const cam_frame_len_offset_t &offset,
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mm_camera_buf_def_t &bufDef, int index) const;
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protected:
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struct QCameraMemInfo {
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int fd;
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int main_ion_fd;
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struct ion_handle *handle;
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uint32_t size;
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};
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int alloc(int count, int size, int heap_id);
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void dealloc();
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int allocOneBuffer(struct QCameraMemInfo &memInfo, int heap_id, int size);
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void deallocOneBuffer(struct QCameraMemInfo &memInfo);
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int cacheOpsInternal(int index, unsigned int cmd, void *vaddr);
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bool m_bCached;
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int mBufferCount;
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struct QCameraMemInfo mMemInfo[MM_CAMERA_MAX_NUM_FRAMES];
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};
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// Internal heap memory is used for memories used internally
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// They are allocated from /dev/ion.
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class QCameraHeapMemory : public QCameraMemory {
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public:
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QCameraHeapMemory(bool cached);
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virtual ~QCameraHeapMemory();
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virtual int allocate(int count, int size);
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virtual void deallocate();
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virtual int cacheOps(int index, unsigned int cmd);
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virtual int getRegFlags(uint8_t *regFlags) const;
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virtual camera_memory_t *getMemory(int index, bool metadata) const;
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virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
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virtual void *getPtr(int index) const;
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private:
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void *mPtr[MM_CAMERA_MAX_NUM_FRAMES];
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};
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// Externel heap memory is used for memories shared with
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// framework. They are allocated from /dev/ion or gralloc.
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class QCameraStreamMemory : public QCameraMemory {
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public:
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QCameraStreamMemory(camera_request_memory getMemory, bool cached);
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virtual ~QCameraStreamMemory();
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virtual int allocate(int count, int size);
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virtual void deallocate();
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virtual int cacheOps(int index, unsigned int cmd);
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virtual int getRegFlags(uint8_t *regFlags) const;
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virtual camera_memory_t *getMemory(int index, bool metadata) const;
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virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
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virtual void *getPtr(int index) const;
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protected:
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camera_request_memory mGetMemory;
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camera_memory_t *mCameraMemory[MM_CAMERA_MAX_NUM_FRAMES];
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};
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// Externel heap memory is used for memories shared with
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// framework. They are allocated from /dev/ion or gralloc.
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class QCameraVideoMemory : public QCameraStreamMemory {
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public:
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QCameraVideoMemory(camera_request_memory getMemory, bool cached);
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virtual ~QCameraVideoMemory();
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virtual int allocate(int count, int size);
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virtual void deallocate();
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virtual camera_memory_t *getMemory(int index, bool metadata) const;
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virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
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private:
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camera_memory_t *mMetadata[MM_CAMERA_MAX_NUM_FRAMES];
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};
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;
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// Gralloc Memory is acquired from preview window
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class QCameraGrallocMemory : public QCameraMemory {
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enum {
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BUFFER_NOT_OWNED,
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BUFFER_OWNED,
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};
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public:
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QCameraGrallocMemory(camera_request_memory getMemory);
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void setNativeWindow(preview_stream_ops_t *anw);
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virtual ~QCameraGrallocMemory();
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virtual int allocate(int count, int size);
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virtual void deallocate();
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virtual int cacheOps(int index, unsigned int cmd);
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virtual int getRegFlags(uint8_t *regFlags) const;
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virtual camera_memory_t *getMemory(int index, bool metadata) const;
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virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
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virtual void *getPtr(int index) const;
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void setWindowInfo(preview_stream_ops_t *window, int width, int height, int format);
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// Enqueue/display buffer[index] onto the native window,
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// and dequeue one buffer from it.
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// Returns the buffer index of the dequeued buffer.
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int displayBuffer(int index);
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private:
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buffer_handle_t *mBufferHandle[MM_CAMERA_MAX_NUM_FRAMES];
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int mLocalFlag[MM_CAMERA_MAX_NUM_FRAMES];
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struct private_handle_t *mPrivateHandle[MM_CAMERA_MAX_NUM_FRAMES];
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preview_stream_ops_t *mWindow;
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int mWidth, mHeight, mFormat;
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camera_request_memory mGetMemory;
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camera_memory_t *mCameraMemory[MM_CAMERA_MAX_NUM_FRAMES];
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int mMinUndequeuedBuffers;
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};
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}; // namespace qcamera
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#endif /* __QCAMERA2HWI_MEM_H__ */
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