/*
* Copyright (c) 2012-2017, 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.
*/
#include <errno.h>
#include <string.h>
#include <sys/mman.h>
#include <cutils/log.h>
#include <gralloc_priv.h>
#include <inttypes.h>
#include "qdMetaData.h"
static int validateAndMap(private_handle_t* handle) {
if (private_handle_t::validate(handle)) {
ALOGE("%s: Private handle is invalid - handle:%p id: %" PRIu64,
__func__, handle, handle->id);
return -1;
}
if (handle->fd_metadata == -1) {
ALOGE("%s: Invalid metadata fd - handle:%p id: %" PRIu64 "fd: %d",
__func__, handle, handle->id, handle->fd_metadata);
return -1;
}
if (!handle->base_metadata) {
unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED,
handle->fd_metadata, 0);
if (base == reinterpret_cast<void*>(MAP_FAILED)) {
ALOGE("%s: metadata mmap failed - handle:%p id: %" PRIu64 "fd: %d err: %s",
__func__, handle, handle->id, handle->fd_metadata, strerror(errno));
return -1;
}
handle->base_metadata = (uintptr_t) base;
}
return 0;
}
int setMetaData(private_handle_t *handle, DispParamType paramType,
void *param) {
auto err = validateAndMap(handle);
if (err != 0)
return err;
MetaData_t *data = reinterpret_cast <MetaData_t *>(handle->base_metadata);
// If parameter is NULL reset the specific MetaData Key
if (!param) {
data->operation &= ~paramType;
// reset param
return 0;
}
data->operation |= paramType;
switch (paramType) {
case PP_PARAM_INTERLACED:
data->interlaced = *((int32_t *)param);
break;
case UPDATE_BUFFER_GEOMETRY:
data->bufferDim = *((BufferDim_t *)param);
break;
case UPDATE_REFRESH_RATE:
data->refreshrate = *((float *)param);
break;
case UPDATE_COLOR_SPACE:
data->colorSpace = *((ColorSpace_t *)param);
break;
case MAP_SECURE_BUFFER:
data->mapSecureBuffer = *((int32_t *)param);
break;
case S3D_FORMAT:
data->s3dFormat = *((uint32_t *)param);
break;
case LINEAR_FORMAT:
data->linearFormat = *((uint32_t *)param);
break;
case SET_IGC:
data->igc = *((IGC_t *)param);
break;
case SET_SINGLE_BUFFER_MODE:
data->isSingleBufferMode = *((uint32_t *)param);
break;
case SET_VT_TIMESTAMP:
data->vtTimeStamp = *((uint64_t *)param);
break;
default:
ALOGE("Unknown paramType %d", paramType);
break;
}
return 0;
}
int getMetaData(private_handle_t *handle, DispFetchParamType paramType,
void *param) {
int ret = validateAndMap(handle);
if (ret != 0)
return ret;
MetaData_t *data = reinterpret_cast <MetaData_t *>(handle->base_metadata);
// Make sure we send 0 only if the operation queried is present
ret = -EINVAL;
switch (paramType) {
case GET_PP_PARAM_INTERLACED:
if (data->operation & PP_PARAM_INTERLACED) {
*((int32_t *)param) = data->interlaced;
ret = 0;
}
break;
case GET_BUFFER_GEOMETRY:
if (data->operation & UPDATE_BUFFER_GEOMETRY) {
*((BufferDim_t *)param) = data->bufferDim;
ret = 0;
}
break;
case GET_REFRESH_RATE:
if (data->operation & UPDATE_REFRESH_RATE) {
*((float *)param) = data->refreshrate;
ret = 0;
}
break;
case GET_COLOR_SPACE:
if (data->operation & UPDATE_COLOR_SPACE) {
*((ColorSpace_t *)param) = data->colorSpace;
ret = 0;
}
break;
case GET_MAP_SECURE_BUFFER:
if (data->operation & MAP_SECURE_BUFFER) {
*((int32_t *)param) = data->mapSecureBuffer;
ret = 0;
}
break;
case GET_S3D_FORMAT:
if (data->operation & S3D_FORMAT) {
*((uint32_t *)param) = data->s3dFormat;
ret = 0;
}
break;
case GET_LINEAR_FORMAT:
if (data->operation & LINEAR_FORMAT) {
*((uint32_t *)param) = data->linearFormat;
ret = 0;
}
break;
case GET_IGC:
if (data->operation & SET_IGC) {
*((IGC_t *)param) = data->igc;
ret = 0;
}
break;
case GET_SINGLE_BUFFER_MODE:
if (data->operation & SET_SINGLE_BUFFER_MODE) {
*((uint32_t *)param) = data->isSingleBufferMode;
ret = 0;
}
break;
case GET_VT_TIMESTAMP:
if (data->operation & SET_VT_TIMESTAMP) {
*((uint64_t *)param) = data->vtTimeStamp;
ret = 0;
}
break;
default:
ALOGE("Unknown paramType %d", paramType);
break;
}
return ret;
}
int copyMetaData(struct private_handle_t *src, struct private_handle_t *dst) {
auto err = validateAndMap(src);
if (err != 0)
return err;
err = validateAndMap(dst);
if (err != 0)
return err;
unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
MetaData_t *src_data = reinterpret_cast <MetaData_t *>(src->base_metadata);
MetaData_t *dst_data = reinterpret_cast <MetaData_t *>(dst->base_metadata);
memcpy(src_data, dst_data, size);
return 0;
}