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_REFRESH_RATE: 87 data->refreshrate = *((uint32_t *)param); 88 break; 89 case UPDATE_COLOR_SPACE: 90 data->colorSpace = *((ColorSpace_t *)param); 91 break; 92 case MAP_SECURE_BUFFER: 93 data->mapSecureBuffer = *((int32_t *)param); 94 break; 95 default: 96 ALOGE("Unknown paramType %d", paramType); 97 break; 98 } 99 if(munmap(base, size)) 100 ALOGE("%s: failed to unmap ptr %p, err %d", __func__, (void*)base, 101 errno); 102 return 0; 103 } 104