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      1 /*
      2  * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *     * Redistributions of source code must retain the above copyright
      8  *       notice, this list of conditions and the following disclaimer.
      9  *     * Redistributions in binary form must reproduce the above
     10  *       copyright notice, this list of conditions and the following
     11  *       disclaimer in the documentation and/or other materials provided
     12  *       with the distribution.
     13  *     * Neither the name of The Linux Foundation nor the names of its
     14  *       contributors may be used to endorse or promote products derived
     15  *       from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include <string.h>
     31 #include <sys/mman.h>
     32 #include <cutils/log.h>
     33 #include <gralloc_priv.h>
     34 #include "qdMetaData.h"
     35 
     36 int setMetaData(private_handle_t *handle, DispParamType paramType,
     37                                                     void *param) {
     38     if (!handle) {
     39         ALOGE("%s: Private handle is null!", __func__);
     40         return -1;
     41     }
     42     if (handle->fd_metadata == -1) {
     43         ALOGE("%s: Bad fd for extra data!", __func__);
     44         return -1;
     45     }
     46     if (!param) {
     47         ALOGE("%s: input param is null!", __func__);
     48         return -1;
     49     }
     50     unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
     51     void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED,
     52         handle->fd_metadata, 0);
     53     if (!base) {
     54         ALOGE("%s: mmap() failed: Base addr is NULL!", __func__);
     55         return -1;
     56     }
     57     MetaData_t *data = reinterpret_cast <MetaData_t *>(base);
     58     data->operation |= paramType;
     59     switch (paramType) {
     60         case PP_PARAM_HSIC:
     61             memcpy((void *)&data->hsicData, param, sizeof(HSICData_t));
     62             break;
     63         case PP_PARAM_SHARPNESS:
     64             data->sharpness = *((int32_t *)param);
     65             break;
     66         case PP_PARAM_VID_INTFC:
     67             data->video_interface = *((int32_t *)param);
     68             break;
     69         case PP_PARAM_INTERLACED:
     70             data->interlaced = *((int32_t *)param);
     71             break;
     72         case PP_PARAM_IGC:
     73             memcpy((void *)&data->igcData, param, sizeof(IGCData_t));
     74             break;
     75         case PP_PARAM_SHARP2:
     76             memcpy((void *)&data->Sharp2Data, param, sizeof(Sharp2Data_t));
     77             break;
     78         case UPDATE_BUFFER_GEOMETRY:
     79             memcpy((void *)&data->bufferDim, param, sizeof(BufferDim_t));
     80             break;
     81         default:
     82             ALOGE("Unknown paramType %d", paramType);
     83             break;
     84     }
     85     if(munmap(base, size))
     86         ALOGE("%s: failed to unmap ptr 0x%x, err %d", __func__, (int)base,
     87                                                                         errno);
     88     return 0;
     89 }
     90