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Diffstat (limited to 'msm8909/liboverlay/overlayMem.h')
| -rw-r--r-- | msm8909/liboverlay/overlayMem.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/msm8909/liboverlay/overlayMem.h b/msm8909/liboverlay/overlayMem.h deleted file mode 100644 index f0a19220..00000000 --- a/msm8909/liboverlay/overlayMem.h +++ /dev/null @@ -1,222 +0,0 @@ -/* -* Copyright (c) 2011, 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 OVERLAY_MEM_H -#define OVERLAY_MEM_H - -#include <sys/mman.h> -#include <fcntl.h> -#include <alloc_controller.h> -#include <memalloc.h> - -#include "gralloc_priv.h" -#include "overlayUtils.h" -#define SIZE_1M 0x00100000 - -namespace overlay { - -/* -* Holds base address, offset and the fd -* */ -class OvMem { -public: - /* ctor init*/ - explicit OvMem(); - - /* dtor DO NOT call close so it can be copied */ - ~OvMem(); - - /* Use libgralloc to retrieve fd, base addr, alloc type */ - bool open(uint32_t numbufs, - uint32_t bufSz, bool isSecure); - - /* close fd. assign base address to invalid*/ - bool close(); - - /* return underlying fd */ - int getFD() const; - - /* return true if fd is valid and base address is valid */ - bool valid() const; - - /* dump the state of the object */ - void dump() const; - - /* return underlying address */ - void* addr() const; - - /* return underlying offset */ - uint32_t bufSz() const; - - /* return number of bufs */ - uint32_t numBufs() const ; - -private: - /* actual os fd */ - int mFd; - - /* points to base addr (mmap)*/ - void* mBaseAddr; - - /* allocated buffer type determined by gralloc (ashmem, ion, etc) */ - int mAllocType; - - /* holds buf size sent down by the client */ - uint32_t mBufSz; - - /* num of bufs */ - uint32_t mNumBuffers; - - /* gralloc alloc controller */ - gralloc::IAllocController* mAlloc; - - /*Holds the aligned buffer size used for actual allocation*/ - uint32_t mBufSzAligned; -}; - -//-------------------Inlines----------------------------------- - -using gralloc::IMemAlloc; -using gralloc::alloc_data; - -inline OvMem::OvMem() { - mFd = -1; - mBaseAddr = MAP_FAILED; - mAllocType = 0; - mBufSz = 0; - mNumBuffers = 0; - mAlloc = gralloc::IAllocController::getInstance(); -} - -inline OvMem::~OvMem() { } - -inline bool OvMem::open(uint32_t numbufs, - uint32_t bufSz, bool isSecure) -{ - alloc_data data; - int allocFlags = GRALLOC_USAGE_PRIVATE_IOMMU_HEAP; - int err = 0; - OVASSERT(numbufs && bufSz, "numbufs=%d bufSz=%d", numbufs, bufSz); - mBufSz = bufSz; - - if(isSecure) { - allocFlags = GRALLOC_USAGE_PRIVATE_MM_HEAP; - allocFlags |= GRALLOC_USAGE_PROTECTED; - mBufSzAligned = utils::align(bufSz, SIZE_1M); - data.align = SIZE_1M; - } else { - mBufSzAligned = bufSz; - data.align = getpagesize(); - } - - // Allocate uncached rotator buffers - allocFlags |= GRALLOC_USAGE_PRIVATE_UNCACHED; - - mNumBuffers = numbufs; - - data.base = 0; - data.fd = -1; - data.offset = 0; - data.size = mBufSzAligned * mNumBuffers; - data.uncached = true; - - err = mAlloc->allocate(data, allocFlags); - if (err != 0) { - ALOGE("OvMem: Error allocating memory"); - return false; - } - - mFd = data.fd; - mBaseAddr = data.base; - mAllocType = data.allocType; - - return true; -} - -inline bool OvMem::close() -{ - int ret = 0; - - if(!valid()) { - return true; - } - - IMemAlloc* memalloc = mAlloc->getAllocator(mAllocType); - ret = memalloc->free_buffer(mBaseAddr, mBufSzAligned * mNumBuffers, 0, mFd); - if (ret != 0) { - ALOGE("OvMem: error freeing buffer"); - return false; - } - - mFd = -1; - mBaseAddr = MAP_FAILED; - mAllocType = 0; - mBufSz = 0; - mBufSzAligned = 0; - mNumBuffers = 0; - return true; -} - -inline bool OvMem::valid() const -{ - return (mFd != -1) && (mBaseAddr != MAP_FAILED); -} - -inline int OvMem::getFD() const -{ - return mFd; -} - -inline void* OvMem::addr() const -{ - return mBaseAddr; -} - -inline uint32_t OvMem::bufSz() const -{ - return mBufSz; -} - -inline uint32_t OvMem::numBufs() const -{ - return mNumBuffers; -} - -inline void OvMem::dump() const -{ - ALOGE("== Dump OvMem start =="); - ALOGE("fd=%d addr=%p type=%d bufsz=%u AlignedBufSz=%u", - mFd, mBaseAddr, mAllocType, mBufSz, mBufSzAligned); - ALOGE("== Dump OvMem end =="); -} - -} // overlay - -#endif // OVERLAY_MEM_H |