1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef DISPLAY_GRALLOC_GBM_H
17 #define DISPLAY_GRALLOC_GBM_H
18 #include "display_type.h"
19 #include "hdf_dlist.h"
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 typedef struct {
25     struct gbm_device *gbmDevice;
26     int drmFd;
27     struct DListHead gbmBoHead;
28     int32_t referCount;
29 } GrallocManager;
30 
31 typedef struct {
32     struct DListHead entry;
33     struct gbm_bo *bo;
34     int fd;
35 } GbmBoList;
36 
37 int32_t GbmAllocMem(const AllocInfo *info, BufferHandle **buffer);
38 void GbmFreeMem(BufferHandle *buffer);
39 void *GbmMmap(BufferHandle *buffer);
40 int32_t GbmUnmap(BufferHandle *buffer);
41 int32_t GbmInvalidateCache(BufferHandle *buffer);
42 int32_t GbmFlushCache(BufferHandle *buffer);
43 int32_t GbmGrallocUninitialize(void);
44 int32_t GbmGrallocInitialize(void);
45 
46 #ifdef GRALLOC_LOCK_DEBUG
47 #define GRALLOC_LOCK(format, ...)                                                                                    \
48     do {                                                                                                             \
49         HDF_LOGE("[%{public}s@%{public}s:%{public}d]" format "\n", __FUNCTION__, __FILE__, __LINE__, ##__VA_ARGS__); \
50         pthread_mutex_lock(&g_lock);                                                                                 \
51     } while (0)
52 
53 #define GRALLOC_UNLOCK(format, ...)                                                                                  \
54     do {                                                                                                             \
55         HDF_LOGE("[%{public}s@%{public}s:%{public}d]" format "\n", __FUNCTION__, __FILE__, __LINE__, ##__VA_ARGS__); \
56         pthread_mutex_unlock(&g_lock);                                                                               \
57     } while (0)
58 #else
59 #define GRALLOC_LOCK(format, ...)    \
60     do {                             \
61         pthread_mutex_lock(&g_lock); \
62     } while (0)
63 
64 #define GRALLOC_UNLOCK(format, ...)    \
65     do {                               \
66         pthread_mutex_unlock(&g_lock); \
67     } while (0)
68 #endif
69 
70 #ifdef __cplusplus
71 }
72 #endif
73 
74 #endif // DISPLAY_GRALLOC_GBM_H
75