2 * Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include "daemon/backend/mm_resource_manager_backend.h"
18 #include "daemon/mm_resource_manager_daemon_conf.h"
19 #include "common/mm_resource_manager_utils.h"
25 } mm_resource_manager_backend_res_s;
27 /* These functions must be defined by the back-end */
28 int _mm_resource_manager_backend_init(void);
29 int _mm_resource_manager_backend_deinit(void);
30 int _mm_resource_manager_backend_acquire(mm_resource_manager_res_type_e type);
31 int _mm_resource_manager_backend_release(mm_resource_manager_res_type_e type);
33 static mm_resource_manager_backend_res_s resources[MM_RESOURCE_MANAGER_RES_TYPE_MAX];
35 int mm_resource_manager_backend_init(void)
39 for (i = 0; i < MM_RESOURCE_MANAGER_RES_TYPE_MAX; i++) {
40 resources[i].is_acquired = FALSE;
41 resources[i].ref_counter = 0;
42 resources[i].last_ref_counter = 0;
45 return _mm_resource_manager_backend_init();
48 int mm_resource_manager_backend_deinit(void)
52 for (i = 0; i < MM_RESOURCE_MANAGER_RES_TYPE_MAX; i++) {
53 if (resources[i].is_acquired) {
54 _mm_resource_manager_backend_release(i);
55 resources[i].is_acquired = FALSE;
56 resources[i].ref_counter = 0;
57 resources[i].last_ref_counter = 0;
61 return _mm_resource_manager_backend_deinit();
64 int mm_resource_manager_backend_acquire(mm_resource_manager_res_type_e type)
66 MM_RM_RETVM_IF(type < MM_RESOURCE_MANAGER_RES_TYPE_VIDEO_DECODER || type >= MM_RESOURCE_MANAGER_RES_TYPE_MAX,
67 MM_RESOURCE_MANAGER_ERROR_INVALID_PARAMETER, "wrong type %d", type);
69 resources[type].ref_counter++;
71 return MM_RESOURCE_MANAGER_ERROR_NONE;
74 int mm_resource_manager_backend_release(mm_resource_manager_res_type_e type)
76 MM_RM_RETVM_IF(type < MM_RESOURCE_MANAGER_RES_TYPE_VIDEO_DECODER || type >= MM_RESOURCE_MANAGER_RES_TYPE_MAX,
77 MM_RESOURCE_MANAGER_ERROR_INVALID_PARAMETER, "wrong type %d", type);
79 if (resources[type].ref_counter > 0)
80 resources[type].ref_counter--;
82 return MM_RESOURCE_MANAGER_ERROR_NONE;
85 int mm_resource_manager_backend_commit(mm_resource_manager_res_type_e type)
87 int ret = MM_RESOURCE_MANAGER_ERROR_NONE;
89 if (resources[type].is_acquired) {
90 if (resources[type].ref_counter == 0) {
91 ret = _mm_resource_manager_backend_release(type);
92 if (ret != MM_RESOURCE_MANAGER_ERROR_NONE)
93 MM_RM_ERROR("Back-end's release function failed");
95 resources[type].is_acquired = FALSE;
98 if (resources[type].ref_counter > 0) {
99 ret = _mm_resource_manager_backend_acquire(type);
100 if (ret != MM_RESOURCE_MANAGER_ERROR_NONE)
101 MM_RM_ERROR("Back-end's acquire function failed");
103 resources[type].is_acquired = TRUE;
107 if (ret == MM_RESOURCE_MANAGER_ERROR_NONE) {
108 resources[type].last_ref_counter = resources[type].ref_counter;
110 resources[type].ref_counter = resources[type].last_ref_counter;
111 MM_RM_DEBUG("Reference counter is restored");
117 gboolean mm_resource_manager_backend_commit_all(void)
120 gboolean error = FALSE;
122 for (i = 0; i < MM_RESOURCE_MANAGER_RES_TYPE_MAX; i++) {
123 if (mm_resource_manager_backend_commit(i) != MM_RESOURCE_MANAGER_ERROR_NONE)
132 #ifdef MM_RM_MURPHY_BACKEND
133 #include "murphy/mm_resource_manager_backend.c"