/*
* Copyright (C) 2008 The Android Open Source Project
* Copyright (c) 2011-2017, 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.
*/
#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
#include <limits.h>
#include <errno.h>
#include <pthread.h>
#include <unistd.h>
#include <string.h>
#include <stdarg.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <cutils/log.h>
#include <cutils/atomic.h>
#include <utils/Trace.h>
#include <hardware/hardware.h>
#include <hardware/gralloc.h>
#include "gralloc_priv.h"
#include "gr.h"
#include "alloc_controller.h"
#include "memalloc.h"
#include <qdMetaData.h>
using namespace gralloc;
/*****************************************************************************/
// Return the type of allocator -
// these are used for mapping/unmapping
static IMemAlloc* getAllocator(int flags)
{
IMemAlloc* memalloc;
IAllocController* alloc_ctrl = IAllocController::getInstance();
memalloc = alloc_ctrl->getAllocator(flags);
return memalloc;
}
static int gralloc_map_metadata(buffer_handle_t handle) {
private_handle_t* hnd = (private_handle_t*)handle;
hnd->base_metadata = 0;
IMemAlloc* memalloc = getAllocator(hnd->flags) ;
void *mappedAddress = MAP_FAILED;
unsigned int size = 0;
if (!(hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)) {
mappedAddress = MAP_FAILED;
size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
int ret = memalloc->map_buffer(&mappedAddress, size,
hnd->offset_metadata, hnd->fd_metadata);
if(ret || mappedAddress == MAP_FAILED) {
ALOGE("Could not mmap metadata for handle %p, fd=%d (%s)",
hnd, hnd->fd_metadata, strerror(errno));
return -errno;
}
hnd->base_metadata = uint64_t(mappedAddress) + hnd->offset_metadata;
}
return 0;
}
static int gralloc_map(gralloc_module_t const* module,
buffer_handle_t handle)
{
ATRACE_CALL();
if(!module)
return -EINVAL;
private_handle_t* hnd = (private_handle_t*)handle;
unsigned int size = 0;
int err = 0;
IMemAlloc* memalloc = getAllocator(hnd->flags) ;
void *mappedAddress = MAP_FAILED;
hnd->base = 0;
// Dont map framebuffer and secure buffers
if (!(hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) &&
!(hnd->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER)) {
size = hnd->size;
err = memalloc->map_buffer(&mappedAddress, size,
hnd->offset, hnd->fd);
if(err || mappedAddress == MAP_FAILED) {
ALOGE("Could not mmap handle %p, fd=%d (%s)",
handle, hnd->fd, strerror(errno));
return -errno;
}
hnd->base = uint64_t(mappedAddress) + hnd->offset;
} else {
// Cannot map secure buffers or framebuffers, but still need to map
// metadata for secure buffers.
// If mapping a secure buffers fails, the framework needs to get
// an error code.
err = -EACCES;
}
//Allow mapping of metadata for all buffers including secure ones, but not
//of framebuffer
int metadata_err = gralloc_map_metadata(handle);
if (!err) {
err = metadata_err;
}
return err;
}
static int gralloc_unmap(gralloc_module_t const* module,
buffer_handle_t handle)
{
ATRACE_CALL();
int err = -EINVAL;
if(!module)
return err;
private_handle_t* hnd = (private_handle_t*)handle;
IMemAlloc* memalloc = getAllocator(hnd->flags) ;
if(!memalloc)
return err;
if(hnd->base) {
err = memalloc->unmap_buffer((void*)hnd->base, hnd->size, hnd->offset);
if (err) {
ALOGE("Could not unmap memory at address %p, %s", (void*) hnd->base,
strerror(errno));
return -errno;
}
hnd->base = 0;
}
if(hnd->base_metadata) {
unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
err = memalloc->unmap_buffer((void*)hnd->base_metadata,
size, hnd->offset_metadata);
if (err) {
ALOGE("Could not unmap memory at address %p, %s",
(void*) hnd->base_metadata, strerror(errno));
return -errno;
}
hnd->base_metadata = 0;
}
return 0;
}
/*****************************************************************************/
static pthread_mutex_t sMapLock = PTHREAD_MUTEX_INITIALIZER;
/*****************************************************************************/
int gralloc_register_buffer(gralloc_module_t const* module,
buffer_handle_t handle)
{
ATRACE_CALL();
if (!module || private_handle_t::validate(handle) < 0)
return -EINVAL;
int err = gralloc_map(module, handle);
/* Do not fail register_buffer for secure buffers*/
if (err == -EACCES)
err = 0;
return err;
}
int gralloc_unregister_buffer(gralloc_module_t const* module,
buffer_handle_t handle)
{
ATRACE_CALL();
if (!module || private_handle_t::validate(handle) < 0)
return -EINVAL;
/*
* If the buffer has been mapped during a lock operation, it's time
* to un-map it. It's an error to be here with a locked buffer.
* NOTE: the framebuffer is handled differently and is never unmapped.
* Also base and base_metadata are reset.
*/
return gralloc_unmap(module, handle);
}
int terminateBuffer(gralloc_module_t const* module,
private_handle_t* hnd)
{
ATRACE_CALL();
if(!module)
return -EINVAL;
/*
* If the buffer has been mapped during a lock operation, it's time
* to un-map it. It's an error to be here with a locked buffer.
* NOTE: the framebuffer is handled differently and is never unmapped.
* Also base and base_metadata are reset.
*/
return gralloc_unmap(module, hnd);
}
static int gralloc_map_and_invalidate (gralloc_module_t const* module,
buffer_handle_t handle, int usage)
{
ATRACE_CALL();
if (!module || private_handle_t::validate(handle) < 0)
return -EINVAL;
int err = 0;
private_handle_t* hnd = (private_handle_t*)handle;
if (usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
if (hnd->base == 0) {
// we need to map for real
pthread_mutex_t* const lock = &sMapLock;
pthread_mutex_lock(lock);
err = gralloc_map(module, handle);
pthread_mutex_unlock(lock);
}
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION and
hnd->flags & private_handle_t::PRIV_FLAGS_CACHED) {
//Invalidate if CPU reads in software and there are non-CPU
//writers. No need to do this for the metadata buffer as it is
//only read/written in software.
if ((usage & GRALLOC_USAGE_SW_READ_MASK) and
(hnd->flags & private_handle_t::PRIV_FLAGS_NON_CPU_WRITER))
{
IMemAlloc* memalloc = getAllocator(hnd->flags) ;
err = memalloc->clean_buffer((void*)hnd->base,
hnd->size, hnd->offset, hnd->fd,
CACHE_INVALIDATE);
}
//Mark the buffer to be flushed after CPU write.
if (usage & GRALLOC_USAGE_SW_WRITE_MASK) {
hnd->flags |= private_handle_t::PRIV_FLAGS_NEEDS_FLUSH;
}
}
}
return err;
}
int gralloc_lock(gralloc_module_t const* module,
buffer_handle_t handle, int usage,
int /*l*/, int /*t*/, int /*w*/, int /*h*/,
void** vaddr)
{
ATRACE_CALL();
private_handle_t* hnd = (private_handle_t*)handle;
int err = gralloc_map_and_invalidate(module, handle, usage);
if(!err)
*vaddr = (void*)hnd->base;
return err;
}
int gralloc_lock_ycbcr(gralloc_module_t const* module,
buffer_handle_t handle, int usage,
int /*l*/, int /*t*/, int /*w*/, int /*h*/,
struct android_ycbcr *ycbcr)
{
ATRACE_CALL();
private_handle_t* hnd = (private_handle_t*)handle;
int err = gralloc_map_and_invalidate(module, handle, usage);
if(!err)
err = getYUVPlaneInfo(hnd, ycbcr);
return err;
}
int gralloc_unlock(gralloc_module_t const* module,
buffer_handle_t handle)
{
ATRACE_CALL();
if (!module || private_handle_t::validate(handle) < 0)
return -EINVAL;
int err = 0;
private_handle_t* hnd = (private_handle_t*)handle;
IMemAlloc* memalloc = getAllocator(hnd->flags);
if (hnd->flags & private_handle_t::PRIV_FLAGS_NEEDS_FLUSH) {
err = memalloc->clean_buffer((void*)hnd->base,
hnd->size, hnd->offset, hnd->fd,
CACHE_CLEAN);
hnd->flags &= ~private_handle_t::PRIV_FLAGS_NEEDS_FLUSH;
}
return err;
}
/*****************************************************************************/
int gralloc_perform(struct gralloc_module_t const* module,
int operation, ... )
{
int res = -EINVAL;
va_list args;
if(!module)
return res;
va_start(args, operation);
switch (operation) {
case GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER:
{
int fd = va_arg(args, int);
unsigned int size = va_arg(args, unsigned int);
unsigned int offset = va_arg(args, unsigned int);
void* base = va_arg(args, void*);
int width = va_arg(args, int);
int height = va_arg(args, int);
int format = va_arg(args, int);
int alignedw = 0, alignedh = 0;
native_handle_t** handle = va_arg(args, native_handle_t**);
private_handle_t* hnd = (private_handle_t*)native_handle_create(
private_handle_t::sNumFds, private_handle_t::sNumInts());
if (hnd) {
hnd->magic = private_handle_t::sMagic;
hnd->fd = fd;
hnd->flags = private_handle_t::PRIV_FLAGS_USES_ION;
hnd->size = size;
hnd->offset = offset;
hnd->base = uint64_t(base) + offset;
hnd->gpuaddr = 0;
AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
height, format, 0, alignedw, alignedh);
hnd->width = alignedw;
hnd->height = alignedh;
hnd->unaligned_width = width;
hnd->unaligned_height = height;
hnd->format = format;
*handle = (native_handle_t *)hnd;
res = 0;
}
break;
}
case GRALLOC_MODULE_PERFORM_GET_STRIDE:
{
int width = va_arg(args, int);
int format = va_arg(args, int);
int *stride = va_arg(args, int *);
int alignedw = 0, alignedh = 0;
AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
0, format, 0, alignedw, alignedh);
*stride = alignedw;
res = 0;
} break;
case GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_FROM_HANDLE:
{
const private_handle_t* hnd = va_arg(args, private_handle_t*);
int *stride = va_arg(args, int *);
if (private_handle_t::validate(hnd)) {
return res;
}
int alignedw = 0, alignedh = 0;
AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(hnd, alignedw, alignedh);
*stride = alignedw;
res = 0;
} break;
case GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_AND_HEIGHT_FROM_HANDLE:
{
const private_handle_t* hnd = va_arg(args, private_handle_t*);
int *stride = va_arg(args, int *);
int *height = va_arg(args, int *);
if (private_handle_t::validate(hnd)) {
return res;
}
int alignedw = 0, alignedh = 0;
AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(hnd, alignedw, alignedh);
*stride = alignedw;
*height = alignedh;
res = 0;
} break;
case GRALLOC_MODULE_PERFORM_GET_ATTRIBUTES:
{
int width = va_arg(args, int);
int height = va_arg(args, int);
int format = va_arg(args, int);
int usage = va_arg(args, int);
int *alignedWidth = va_arg(args, int *);
int *alignedHeight = va_arg(args, int *);
int *tileEnabled = va_arg(args,int *);
*tileEnabled = isUBwcEnabled(format, usage);
AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
height, format, usage, *alignedWidth, *alignedHeight);
res = 0;
} break;
case GRALLOC_MODULE_PERFORM_GET_COLOR_SPACE_FROM_HANDLE:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
int *color_space = va_arg(args, int *);
if (private_handle_t::validate(hnd)) {
return res;
}
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
if (!metadata) {
break;
#ifdef USE_COLOR_METADATA
} else if (metadata->operation & COLOR_METADATA) {
ColorMetaData *colorMetadata = &metadata->color;
res = 0;
switch (colorMetadata->colorPrimaries) {
case ColorPrimaries_BT709_5:
*color_space = HAL_CSC_ITU_R_709;
break;
case ColorPrimaries_BT601_6_525:
*color_space = ((colorMetadata->range) ?
HAL_CSC_ITU_R_601_FR : HAL_CSC_ITU_R_601);
break;
case ColorPrimaries_BT2020:
*color_space = (colorMetadata->range) ?
HAL_CSC_ITU_R_2020_FR : HAL_CSC_ITU_R_2020;
break;
default:
res = -EINVAL;
break;
}
#endif
} else if(metadata->operation & UPDATE_COLOR_SPACE) {
*color_space = metadata->colorSpace;
res = 0;
}
} break;
case GRALLOC_MODULE_PERFORM_GET_YUV_PLANE_INFO:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
android_ycbcr* ycbcr = va_arg(args, struct android_ycbcr *);
if (!private_handle_t::validate(hnd)) {
res = getYUVPlaneInfo(hnd, ycbcr);
}
} break;
case GRALLOC_MODULE_PERFORM_GET_MAP_SECURE_BUFFER_INFO:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
int *map_secure_buffer = va_arg(args, int *);
if (private_handle_t::validate(hnd)) {
return res;
}
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
if(metadata && metadata->operation & MAP_SECURE_BUFFER) {
*map_secure_buffer = metadata->mapSecureBuffer;
res = 0;
} else {
*map_secure_buffer = 0;
}
} break;
case GRALLOC_MODULE_PERFORM_GET_UBWC_FLAG:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
int *flag = va_arg(args, int *);
if (private_handle_t::validate(hnd)) {
return res;
}
*flag = hnd->flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
if (metadata && (metadata->operation & LINEAR_FORMAT)) {
*flag = 0;
}
res = 0;
} break;
case GRALLOC_MODULE_PERFORM_GET_RGB_DATA_ADDRESS:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
void** rgb_data = va_arg(args, void**);
if (!private_handle_t::validate(hnd)) {
res = getRgbDataAddress(hnd, rgb_data);
}
} break;
case GRALLOC_MODULE_PERFORM_GET_IGC:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
uint32_t *igc = va_arg(args, uint32_t *);
if (!private_handle_t::validate(hnd) && igc) {
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
if (metadata && (metadata->operation & SET_IGC)) {
*igc = metadata->igc;
res = 0;
}
}
} break;
case GRALLOC_MODULE_PERFORM_SET_IGC:
res = 0;
break;
case GRALLOC_MODULE_PERFORM_SET_SINGLE_BUFFER_MODE:
{
private_handle_t* hnd = va_arg(args, private_handle_t*);
uint32_t *enable = va_arg(args, uint32_t*);
if (!private_handle_t::validate(hnd)) {
setMetaData(hnd, SET_SINGLE_BUFFER_MODE, enable);
res = 0;
}
} break;
default:
break;
}
va_end(args);
return res;
}