1 /*
2 * Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification, are permitted
5 * provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright notice, this list of
7 * conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright notice, this list of
9 * conditions and the following disclaimer in the documentation and/or other materials provided
10 * with the distribution.
11 * * Neither the name of The Linux Foundation nor the names of its contributors may be used to
12 * endorse or promote products derived from this software without specific prior written
13 * permission.
14 *
15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25 #include <dlfcn.h>
26 #include <utils/locker.h>
27 #include <utils/constants.h>
28 #include <utils/debug.h>
29
30 #include "core_impl.h"
31 #include "display_primary.h"
32 #include "display_hdmi.h"
33 #include "display_virtual.h"
34 #include "hw_info_interface.h"
35 #include "color_manager.h"
36
37 #define __CLASS__ "CoreImpl"
38
39 namespace sdm {
40
CoreImpl(BufferAllocator * buffer_allocator,BufferSyncHandler * buffer_sync_handler)41 CoreImpl::CoreImpl(BufferAllocator *buffer_allocator,
42 BufferSyncHandler *buffer_sync_handler)
43 : buffer_allocator_(buffer_allocator), buffer_sync_handler_(buffer_sync_handler) {
44 }
45
Init()46 DisplayError CoreImpl::Init() {
47 SCOPE_LOCK(locker_);
48 DisplayError error = kErrorNone;
49
50 // Try to load extension library & get handle to its interface.
51 if (extension_lib_.Open(EXTENSION_LIBRARY_NAME)) {
52 if (!extension_lib_.Sym(CREATE_EXTENSION_INTERFACE_NAME,
53 reinterpret_cast<void **>(&create_extension_intf_)) ||
54 !extension_lib_.Sym(DESTROY_EXTENSION_INTERFACE_NAME,
55 reinterpret_cast<void **>(&destroy_extension_intf_))) {
56 DLOGE("Unable to load symbols, error = %s", extension_lib_.Error());
57 return kErrorUndefined;
58 }
59
60 error = create_extension_intf_(EXTENSION_VERSION_TAG, &extension_intf_);
61 if (error != kErrorNone) {
62 DLOGE("Unable to create interface");
63 return error;
64 }
65 } else {
66 DLOGW("Unable to load = %s, error = %s", EXTENSION_LIBRARY_NAME, extension_lib_.Error());
67 }
68
69 error = HWInfoInterface::Create(&hw_info_intf_);
70 if (error != kErrorNone) {
71 goto CleanupOnError;
72 }
73
74 error = hw_info_intf_->GetHWResourceInfo(&hw_resource_);
75 if (error != kErrorNone) {
76 goto CleanupOnError;
77 }
78
79 error = comp_mgr_.Init(hw_resource_, extension_intf_, buffer_sync_handler_);
80 if (error != kErrorNone) {
81 goto CleanupOnError;
82 }
83
84 if (extension_intf_ && hw_resource_.hw_rot_info.num_rotator) {
85 error = extension_intf_->CreateRotator(hw_resource_.hw_rot_info, buffer_allocator_,
86 buffer_sync_handler_, &rotator_intf_);
87 if (error != kErrorNone) {
88 DLOGW("rotation is not supported");
89 }
90 }
91
92 error = ColorManagerProxy::Init(hw_resource_);
93 // if failed, doesn't affect display core functionalities.
94 if (error != kErrorNone) {
95 DLOGW("Unable creating color manager and continue without it.");
96 }
97
98 return kErrorNone;
99
100 CleanupOnError:
101 if (hw_info_intf_) {
102 HWInfoInterface::Destroy(hw_info_intf_);
103 }
104
105 return error;
106 }
107
Deinit()108 DisplayError CoreImpl::Deinit() {
109 SCOPE_LOCK(locker_);
110
111 if (extension_intf_ && hw_resource_.hw_rot_info.num_rotator) {
112 extension_intf_->DestroyRotator(rotator_intf_);
113 }
114
115 ColorManagerProxy::Deinit();
116
117 comp_mgr_.Deinit();
118 HWInfoInterface::Destroy(hw_info_intf_);
119
120 return kErrorNone;
121 }
122
CreateDisplay(DisplayType type,DisplayEventHandler * event_handler,DisplayInterface ** intf)123 DisplayError CoreImpl::CreateDisplay(DisplayType type, DisplayEventHandler *event_handler,
124 DisplayInterface **intf) {
125 SCOPE_LOCK(locker_);
126
127 if (!event_handler || !intf) {
128 return kErrorParameters;
129 }
130
131 DisplayBase *display_base = NULL;
132
133 switch (type) {
134 case kPrimary:
135 display_base = new DisplayPrimary(event_handler, hw_info_intf_, buffer_sync_handler_,
136 &comp_mgr_, rotator_intf_);
137 break;
138 case kHDMI:
139 display_base = new DisplayHDMI(event_handler, hw_info_intf_, buffer_sync_handler_,
140 &comp_mgr_, rotator_intf_);
141 break;
142 case kVirtual:
143 display_base = new DisplayVirtual(event_handler, hw_info_intf_, buffer_sync_handler_,
144 &comp_mgr_, rotator_intf_);
145 break;
146 default:
147 DLOGE("Spurious display type %d", type);
148 return kErrorParameters;
149 }
150
151 if (!display_base) {
152 return kErrorMemory;
153 }
154
155 DisplayError error = display_base->Init();
156 if (error != kErrorNone) {
157 delete display_base;
158 return error;
159 }
160
161 *intf = display_base;
162 return kErrorNone;
163 }
164
DestroyDisplay(DisplayInterface * intf)165 DisplayError CoreImpl::DestroyDisplay(DisplayInterface *intf) {
166 SCOPE_LOCK(locker_);
167
168 if (!intf) {
169 return kErrorParameters;
170 }
171
172 DisplayBase *display_base = static_cast<DisplayBase *>(intf);
173 display_base->Deinit();
174 delete display_base;
175
176 return kErrorNone;
177 }
178
SetMaxBandwidthMode(HWBwModes mode)179 DisplayError CoreImpl::SetMaxBandwidthMode(HWBwModes mode) {
180 SCOPE_LOCK(locker_);
181
182 return comp_mgr_.SetMaxBandwidthMode(mode);
183 }
184
GetFirstDisplayInterfaceType(HWDisplayInterfaceInfo * hw_disp_info)185 DisplayError CoreImpl::GetFirstDisplayInterfaceType(HWDisplayInterfaceInfo *hw_disp_info) {
186 return hw_info_intf_->GetFirstDisplayInterfaceType(hw_disp_info);
187 }
188
189 } // namespace sdm
190
191