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