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 
setMetaData(private_handle_t * handle,DispParamType paramType,void * param)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