1 /*
2 * Copyright (c) 2012-2015, 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 #define __STDC_FORMAT_MACROS 1
36 #include <inttypes.h>
37 #include "qdMetaData.h"
38
setMetaData(private_handle_t * handle,DispParamType paramType,void * param)39 int setMetaData(private_handle_t *handle, DispParamType paramType,
40 void *param) {
41 if (!handle) {
42 ALOGE("%s: Private handle is null!", __func__);
43 return -1;
44 }
45 if (handle->fd_metadata == -1) {
46 ALOGE("%s: Bad fd for extra data!", __func__);
47 return -1;
48 }
49 if (!param) {
50 ALOGE("%s: input param is null!", __func__);
51 return -1;
52 }
53 unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
54 void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED,
55 handle->fd_metadata, 0);
56 if (base == reinterpret_cast<void*>(MAP_FAILED)) {
57 ALOGE("%s: mmap() failed: error is %s!", __func__, strerror(errno));
58 return -1;
59 }
60 MetaData_t *data = reinterpret_cast <MetaData_t *>(base);
61 data->operation |= paramType;
62 switch (paramType) {
63 case PP_PARAM_INTERLACED:
64 data->interlaced = *((int32_t *)param);
65 break;
66 case UPDATE_BUFFER_GEOMETRY:
67 data->bufferDim = *((BufferDim_t *)param);
68 break;
69 case UPDATE_REFRESH_RATE:
70 data->refreshrate = *((uint32_t *)param);
71 break;
72 case UPDATE_COLOR_SPACE:
73 data->colorSpace = *((ColorSpace_t *)param);
74 break;
75 case MAP_SECURE_BUFFER:
76 data->mapSecureBuffer = *((int32_t *)param);
77 break;
78 case S3D_FORMAT:
79 data->s3dFormat = *((uint32_t *)param);
80 break;
81 case LINEAR_FORMAT:
82 data->linearFormat = *((uint32_t *)param);
83 break;
84 case SET_IGC:
85 data->igc = *((IGC_t *)param);
86 break;
87 case SET_SINGLE_BUFFER_MODE:
88 data->isSingleBufferMode = *((uint32_t *)param);
89 break;
90 default:
91 ALOGE("Unknown paramType %d", paramType);
92 break;
93 }
94 if(munmap(base, size))
95 ALOGE("%s: failed to unmap ptr %p, err %d", __func__, (void*)base,
96 errno);
97 return 0;
98 }
99