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      1 /*
      2  * Copyright (c) 2012-2014, 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 <errno.h>
     31 #include <string.h>
     32 #include <sys/mman.h>
     33 #include <cutils/log.h>
     34 #include <gralloc_priv.h>
     35 #include <inttypes.h>
     36 #include "qdMetaData.h"
     37 
     38 int setMetaData(private_handle_t *handle, DispParamType paramType,
     39                                                     void *param) {
     40     if (!handle) {
     41         ALOGE("%s: Private handle is null!", __func__);
     42         return -1;
     43     }
     44     if (handle->fd_metadata == -1) {
     45         ALOGE("%s: Bad fd for extra data!", __func__);
     46         return -1;
     47     }
     48     if (!param) {
     49         ALOGE("%s: input param is null!", __func__);
     50         return -1;
     51     }
     52     unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
     53     void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED,
     54         handle->fd_metadata, 0);
     55     if (base == reinterpret_cast<void*>(MAP_FAILED)) {
     56         ALOGE("%s: mmap() failed: error is %s!", __func__, strerror(errno));
     57         return -1;
     58     }
     59     MetaData_t *data = reinterpret_cast <MetaData_t *>(base);
     60     data->operation |= paramType;
     61     switch (paramType) {
     62         case PP_PARAM_HSIC:
     63             memcpy((void *)&data->hsicData, param, sizeof(HSICData_t));
     64             break;
     65         case PP_PARAM_SHARPNESS:
     66             data->sharpness = *((int32_t *)param);
     67             break;
     68         case PP_PARAM_VID_INTFC:
     69             data->video_interface = *((int32_t *)param);
     70             break;
     71         case PP_PARAM_INTERLACED:
     72             data->interlaced = *((int32_t *)param);
     73             break;
     74         case PP_PARAM_IGC:
     75             memcpy((void *)&data->igcData, param, sizeof(IGCData_t));
     76             break;
     77         case PP_PARAM_SHARP2:
     78             memcpy((void *)&data->Sharp2Data, param, sizeof(Sharp2Data_t));
     79             break;
     80         case PP_PARAM_TIMESTAMP:
     81             data->timestamp = *((int64_t *)param);
     82             break;
     83         case UPDATE_BUFFER_GEOMETRY:
     84             memcpy((void *)&data->bufferDim, param, sizeof(BufferDim_t));
     85         break;
     86         case UPDATE_COLOR_SPACE:
     87             data->colorSpace = *((ColorSpace_t *)param);
     88             break;
     89         default:
     90             ALOGE("Unknown paramType %d", paramType);
     91             break;
     92     }
     93     if(munmap(base, size))
     94         ALOGE("%s: failed to unmap ptr %p, err %d", __func__, (void*)base,
     95                                                                         errno);
     96     return 0;
     97 }
     98