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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 <string.h>
31 #include <sys/mman.h>
32 #include <cutils/log.h>
33 #include <gralloc_priv.h>
34 #define __STDC_FORMAT_MACROS 1
35 #include <inttypes.h>
36 #include "qdMetaData.h"
37 
setMetaData(private_handle_t * handle,DispParamType paramType,void * param)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) {
56         ALOGE("%s: mmap() failed: Base addr is NULL!", __func__);
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