mako: move camera HAL from hardware/qcom/camera, DO NOT MERGE
Change-Id: Ib76c01a8ce47dd17c4e5c986e5988c2ad1c61906
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/camera/QCameraHWI_Mem.cpp b/camera/QCameraHWI_Mem.cpp
new file mode 100644
index 0000000..e8e469b
--- /dev/null
+++ b/camera/QCameraHWI_Mem.cpp
@@ -0,0 +1,405 @@
+/*
+** Copyright (c) 2011-2012 The Linux Foundation. All rights reserved.
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+/*#error uncomment this for compiler test!*/
+
+//#define ALOG_NDEBUG 0
+#define ALOG_NIDEBUG 0
+#define LOG_TAG "QCameraHWI_Mem"
+#include <utils/Log.h>
+
+#include <utils/Errors.h>
+#include <utils/threads.h>
+//#include <binder/MemoryHeapPmem.h>
+#include <utils/String16.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cutils/properties.h>
+#include <math.h>
+#if HAVE_ANDROID_OS
+#include <linux/android_pmem.h>
+#endif
+#include <linux/ioctl.h>
+#include "QCameraParameters.h"
+#include <media/mediarecorder.h>
+#include <gralloc_priv.h>
+
+#include "QCameraHWI_Mem.h"
+
+#define CAMERA_HAL_UNUSED(expr) do { (void)(expr); } while (0)
+
+/* QCameraHardwareInterface class implementation goes here*/
+/* following code implement the contol logic of this class*/
+
+namespace android {
+
+
+static bool register_buf(int size,
+ int frame_size,
+ int cbcr_offset,
+ int yoffset,
+ int pmempreviewfd,
+ uint32_t offset,
+ uint8_t *buf,
+ int pmem_type,
+ bool vfe_can_write,
+ bool register_buffer = true);
+
+#if 0
+MMCameraDL::MMCameraDL(){
+ ALOGV("MMCameraDL: E");
+ libmmcamera = NULL;
+#if DLOPEN_LIBMMCAMERA
+ libmmcamera = ::dlopen("liboemcamera.so", RTLD_NOW);
+#endif
+ ALOGV("Open MM camera DL libeomcamera loaded at %p ", libmmcamera);
+ ALOGV("MMCameraDL: X");
+}
+
+void * MMCameraDL::pointer(){
+ return libmmcamera;
+}
+
+MMCameraDL::~MMCameraDL(){
+ ALOGV("~MMCameraDL: E");
+ LINK_mm_camera_destroy();
+ if (libmmcamera != NULL) {
+ ::dlclose(libmmcamera);
+ ALOGV("closed MM Camera DL ");
+ }
+ libmmcamera = NULL;
+ ALOGV("~MMCameraDL: X");
+}
+
+
+wp<MMCameraDL> MMCameraDL::instance;
+Mutex MMCameraDL::singletonLock;
+
+
+sp<MMCameraDL> MMCameraDL::getInstance(){
+ Mutex::Autolock instanceLock(singletonLock);
+ sp<MMCameraDL> mmCamera = instance.promote();
+ if(mmCamera == NULL){
+ mmCamera = new MMCameraDL();
+ instance = mmCamera;
+ }
+ return mmCamera;
+}
+#endif
+
+MemPool::MemPool(int buffer_size, int num_buffers,
+ int frame_size,
+ const char *name) :
+ mBufferSize(buffer_size),
+ mNumBuffers(num_buffers),
+ mFrameSize(frame_size),
+ mBuffers(NULL), mName(name)
+{
+ int page_size_minus_1 = getpagesize() - 1;
+ mAlignedBufferSize = (buffer_size + page_size_minus_1) & (~page_size_minus_1);
+}
+
+void MemPool::completeInitialization()
+{
+ // If we do not know how big the frame will be, we wait to allocate
+ // the buffers describing the individual frames until we do know their
+ // size.
+
+ if (mFrameSize > 0) {
+ mBuffers = new sp<MemoryBase>[mNumBuffers];
+ for (int i = 0; i < mNumBuffers; i++) {
+ mBuffers[i] = new
+ MemoryBase(mHeap,
+ i * mAlignedBufferSize,
+ mFrameSize);
+ }
+ }
+}
+
+AshmemPool::AshmemPool(int buffer_size, int num_buffers,
+ int frame_size,
+ const char *name) :
+ MemPool(buffer_size,
+ num_buffers,
+ frame_size,
+ name)
+{
+ ALOGV("constructing MemPool %s backed by ashmem: "
+ "%d frames @ %d uint8_ts, "
+ "buffer size %d",
+ mName,
+ num_buffers, frame_size, buffer_size);
+
+ int page_mask = getpagesize() - 1;
+ int ashmem_size = buffer_size * num_buffers;
+ ashmem_size += page_mask;
+ ashmem_size &= ~page_mask;
+
+ mHeap = new MemoryHeapBase(ashmem_size);
+
+ completeInitialization();
+}
+
+static bool register_buf(int size,
+ int frame_size,
+ int cbcr_offset,
+ int yoffset,
+ int pmempreviewfd,
+ uint32_t offset,
+ uint8_t *buf,
+ int pmem_type,
+ bool vfe_can_write,
+ bool register_buffer)
+{
+ /*TODO*/
+ /*
+ struct msm_pmem_info pmemBuf;
+ CAMERA_HAL_UNUSED(frame_size);
+
+ pmemBuf.type = pmem_type;
+ pmemBuf.fd = pmempreviewfd;
+ pmemBuf.offset = offset;
+ pmemBuf.len = size;
+ pmemBuf.vaddr = buf;
+ pmemBuf.y_off = yoffset;
+ pmemBuf.cbcr_off = cbcr_offset;
+
+ pmemBuf.active = vfe_can_write;
+
+ ALOGV("register_buf: reg = %d buffer = %p",
+ !register_buffer, buf);
+ if(native_start_ops(register_buffer ? CAMERA_OPS_REGISTER_BUFFER :
+ CAMERA_OPS_UNREGISTER_BUFFER ,(void *)&pmemBuf) < 0) {
+ ALOGE("register_buf: MSM_CAM_IOCTL_(UN)REGISTER_PMEM error %s",
+ strerror(errno));
+ return false;
+ }*/
+
+ return true;
+
+}
+
+#if 0
+bool register_record_buffers(bool register_buffer) {
+ ALOGI("%s: (%d) E", __FUNCTION__, register_buffer);
+ struct msm_pmem_info pmemBuf;
+
+ for (int cnt = 0; cnt < VIDEO_BUFFER_COUNT; ++cnt) {
+ pmemBuf.type = MSM_PMEM_VIDEO;
+ pmemBuf.fd = mRecordHeap->mHeap->getHeapID();
+ pmemBuf.offset = mRecordHeap->mAlignedBufferSize * cnt;
+ pmemBuf.len = mRecordHeap->mBufferSize;
+ pmemBuf.vaddr = (uint8_t *)mRecordHeap->mHeap->base() + mRecordHeap->mAlignedBufferSize * cnt;
+ pmemBuf.y_off = 0;
+ pmemBuf.cbcr_off = recordframes[0].cbcr_off;
+ if(register_buffer == true) {
+ pmemBuf.active = (cnt<ACTIVE_VIDEO_BUFFERS);
+ if( (mVpeEnabled) && (cnt == kRecordBufferCount-1)) {
+ pmemBuf.type = MSM_PMEM_VIDEO_VPE;
+ pmemBuf.active = 1;
+ }
+ } else {
+ pmemBuf.active = false;
+ }
+
+ ALOGV("register_buf: reg = %d buffer = %p", !register_buffer,
+ (void *)pmemBuf.vaddr);
+ if(native_start_ops(register_buffer ? CAMERA_OPS_REGISTER_BUFFER :
+ CAMERA_OPS_UNREGISTER_BUFFER ,(void *)&pmemBuf) < 0) {
+ ALOGE("register_buf: MSM_CAM_IOCTL_(UN)REGISTER_PMEM error %s",
+ strerror(errno));
+ return false;
+ }
+ }
+ return true;
+}
+#endif
+#if 0
+PmemPool::PmemPool(const char *pmem_pool,
+ int flags,
+ int pmem_type,
+ int buffer_size, int num_buffers,
+ int frame_size, int cbcr_offset,
+ int yOffset, const char *name) :
+ MemPool(buffer_size,num_buffers,frame_size,name),
+ mPmemType(pmem_type),
+ mCbCrOffset(cbcr_offset),
+ myOffset(yOffset)
+{
+ ALOGI("constructing MemPool %s backed by pmem pool %s: "
+ "%d frames @ %d bytes, buffer size %d",
+ mName,
+ pmem_pool, num_buffers, frame_size,
+ buffer_size);
+
+ //mMMCameraDLRef = MMCameraDL::getInstance();
+
+
+ // Make a new mmap'ed heap that can be shared across processes.
+ // mAlignedBufferSize is already in 4k aligned. (do we need total size necessary to be in power of 2??)
+ mAlignedSize = mAlignedBufferSize * num_buffers;
+
+ sp<MemoryHeapBase> masterHeap =
+ new MemoryHeapBase(pmem_pool, mAlignedSize, flags);
+
+ if (masterHeap->getHeapID() < 0) {
+ ALOGE("failed to construct master heap for pmem pool %s", pmem_pool);
+ masterHeap.clear();
+ return;
+ }
+
+ sp<MemoryHeapPmem> pmemHeap = new MemoryHeapPmem(masterHeap, flags);
+ if (pmemHeap->getHeapID() >= 0) {
+ pmemHeap->slap();
+ masterHeap.clear();
+ mHeap = pmemHeap;
+ pmemHeap.clear();
+
+ mFd = mHeap->getHeapID();
+ if (::ioctl(mFd, PMEM_GET_SIZE, &mSize)) {
+ ALOGE("pmem pool %s ioctl(PMEM_GET_SIZE) error %s (%d)",
+ pmem_pool,
+ ::strerror(errno), errno);
+ mHeap.clear();
+ return;
+ }
+
+ ALOGE("pmem pool %s ioctl(fd = %d, PMEM_GET_SIZE) is %ld",
+ pmem_pool,
+ mFd,
+ mSize.len);
+ ALOGE("mBufferSize=%d, mAlignedBufferSize=%d\n", mBufferSize, mAlignedBufferSize);
+
+#if 0
+ // Unregister preview buffers with the camera drivers. Allow the VFE to write
+ // to all preview buffers except for the last one.
+ // Only Register the preview, snapshot and thumbnail buffers with the kernel.
+ if( (strcmp("postview", mName) != 0) ){
+ int num_buf = num_buffers;
+ if(!strcmp("preview", mName)) num_buf = kPreviewBufferCount;
+ ALOGD("num_buffers = %d", num_buf);
+ for (int cnt = 0; cnt < num_buf; ++cnt) {
+ int active = 1;
+ if(pmem_type == MSM_PMEM_VIDEO){
+ active = (cnt<ACTIVE_VIDEO_BUFFERS);
+ //When VPE is enabled, set the last record
+ //buffer as active and pmem type as PMEM_VIDEO_VPE
+ //as this is a requirement from VPE operation.
+ //No need to set this pmem type to VIDEO_VPE while unregistering,
+ //because as per camera stack design: "the VPE AXI is also configured
+ //when VFE is configured for VIDEO, which is as part of preview
+ //initialization/start. So during this VPE AXI config camera stack
+ //will lookup the PMEM_VIDEO_VPE buffer and give it as o/p of VPE and
+ //change it's type to PMEM_VIDEO".
+ if( (mVpeEnabled) && (cnt == kRecordBufferCount-1)) {
+ active = 1;
+ pmem_type = MSM_PMEM_VIDEO_VPE;
+ }
+ ALOGV(" pmempool creating video buffers : active %d ", active);
+ }
+ else if (pmem_type == MSM_PMEM_PREVIEW){
+ active = (cnt < ACTIVE_PREVIEW_BUFFERS);
+ }
+ else if ((pmem_type == MSM_PMEM_MAINIMG)
+ || (pmem_type == MSM_PMEM_THUMBNAIL)){
+ active = (cnt < ACTIVE_ZSL_BUFFERS);
+ }
+ register_buf(mBufferSize,
+ mFrameSize, mCbCrOffset, myOffset,
+ mHeap->getHeapID(),
+ mAlignedBufferSize * cnt,
+ (uint8_t *)mHeap->base() + mAlignedBufferSize * cnt,
+ pmem_type,
+ active);
+ }
+ }
+#endif
+ completeInitialization();
+ }
+ else ALOGE("pmem pool %s error: could not create master heap!",
+ pmem_pool);
+ ALOGI("%s: (%s) X ", __FUNCTION__, mName);
+}
+#endif
+
+PmemPool::~PmemPool()
+{
+ ALOGV("%s: %s E", __FUNCTION__, mName);
+#if 0
+ if (mHeap != NULL) {
+ // Unregister preview buffers with the camera drivers.
+ // Only Unregister the preview, snapshot and thumbnail
+ // buffers with the kernel.
+ if( (strcmp("postview", mName) != 0) ){
+ int num_buffers = mNumBuffers;
+ if(!strcmp("preview", mName)) num_buffers = PREVIEW_BUFFER_COUNT;
+ for (int cnt = 0; cnt < num_buffers; ++cnt) {
+ register_buf(mBufferSize,
+ mFrameSize,
+ mCbCrOffset,
+ myOffset,
+ mHeap->getHeapID(),
+ mAlignedBufferSize * cnt,
+ (uint8_t *)mHeap->base() + mAlignedBufferSize * cnt,
+ mPmemType,
+ false,
+ false /* unregister */);
+ }
+ }
+ }
+ mMMCameraDLRef.clear();
+#endif
+ ALOGV("%s: %s X", __FUNCTION__, mName);
+}
+MemPool::~MemPool()
+{
+ ALOGV("destroying MemPool %s", mName);
+ if (mFrameSize > 0)
+ delete [] mBuffers;
+ mHeap.clear();
+ ALOGV("destroying MemPool %s completed", mName);
+}
+
+
+status_t MemPool::dump(int fd, const Vector<String16>& args) const
+{
+ const size_t SIZE = 256;
+ char buffer[SIZE];
+ String8 result;
+ CAMERA_HAL_UNUSED(args);
+ snprintf(buffer, 255, "QualcommCameraHardware::AshmemPool::dump\n");
+ result.append(buffer);
+ if (mName) {
+ snprintf(buffer, 255, "mem pool name (%s)\n", mName);
+ result.append(buffer);
+ }
+ if (mHeap != 0) {
+ snprintf(buffer, 255, "heap base(%p), size(%d), flags(%d), device(%s)\n",
+ mHeap->getBase(), mHeap->getSize(),
+ mHeap->getFlags(), mHeap->getDevice());
+ result.append(buffer);
+ }
+ snprintf(buffer, 255,
+ "buffer size (%d), number of buffers (%d), frame size(%d)",
+ mBufferSize, mNumBuffers, mFrameSize);
+ result.append(buffer);
+ write(fd, result.string(), result.size());
+ return NO_ERROR;
+}
+
+};