blob: da28b8e1780dfc28722b8d0753c63e2323c9bcc3
1 | /* |
2 | // Copyright (c) 2014 Intel Corporation |
3 | // |
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 |
7 | // |
8 | // http://www.apache.org/licenses/LICENSE-2.0 |
9 | // |
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. |
15 | // |
16 | // This file is modified by Amlogic, Inc. 2017.01.17. |
17 | */ |
18 | |
19 | #include <HwcTrace.h> |
20 | #include <Hwcomposer.h> |
21 | #include <PrimaryDevice.h> |
22 | #include <Utils.h> |
23 | #include <SysTokenizer.h> |
24 | |
25 | |
26 | namespace android { |
27 | namespace amlogic { |
28 | |
29 | PrimaryDevice::PrimaryDevice(Hwcomposer& hwc, IComposeDeviceFactory * controlFactory) |
30 | : PhysicalDevice(DEVICE_PRIMARY, hwc, controlFactory), |
31 | pConfigPath(DISPLAY_CFG_FILE), |
32 | mDisplayType(DISPLAY_TYPE_MBOX) |
33 | { |
34 | DTRACE("display mode config path: %s", pConfigPath); |
35 | |
36 | CTRACE(); |
37 | } |
38 | |
39 | PrimaryDevice::~PrimaryDevice() |
40 | { |
41 | CTRACE(); |
42 | } |
43 | |
44 | bool PrimaryDevice::initialize() |
45 | { |
46 | parseConfigFile(); |
47 | updateDisplayInfo(mDefaultMode); |
48 | |
49 | if (!PhysicalDevice::initialize()) { |
50 | DEINIT_AND_RETURN_FALSE("failed to initialize physical device"); |
51 | } |
52 | |
53 | UeventObserver *observer = Hwcomposer::getInstance().getUeventObserver(); |
54 | if (observer) { |
55 | observer->registerListener( |
56 | Utils::getHotplugUeventEnvelope(), |
57 | hotplugEventListener, |
58 | this); |
59 | } else { |
60 | ETRACE("Uevent observer is NULL"); |
61 | } |
62 | |
63 | return true; |
64 | } |
65 | |
66 | void PrimaryDevice::deinitialize() |
67 | { |
68 | PhysicalDevice::deinitialize(); |
69 | } |
70 | |
71 | void PrimaryDevice::hotplugEventListener(void *data, bool status) |
72 | { |
73 | PrimaryDevice *pThis = (PrimaryDevice*)data; |
74 | if (pThis) { |
75 | pThis->hotplugListener(status); |
76 | } |
77 | } |
78 | |
79 | void PrimaryDevice::hotplugListener(bool connected) |
80 | { |
81 | CTRACE(); |
82 | ETRACE("hotpug event: %d", connected); |
83 | |
84 | updateHotplugState(connected); |
85 | |
86 | // update display configs |
87 | onHotplug(getDisplayId(), connected); |
88 | } |
89 | |
90 | int PrimaryDevice::parseConfigFile() |
91 | { |
92 | const char* WHITESPACE = " \t\r"; |
93 | |
94 | SysTokenizer* tokenizer; |
95 | int status = SysTokenizer::open(pConfigPath, &tokenizer); |
96 | if (status) { |
97 | ETRACE("Error %d opening display config file %s.", status, pConfigPath); |
98 | } else { |
99 | while (!tokenizer->isEof()) { |
100 | ITRACE("Parsing %s: %s", tokenizer->getLocation(), tokenizer->peekRemainderOfLine()); |
101 | |
102 | tokenizer->skipDelimiters(WHITESPACE); |
103 | if (!tokenizer->isEol() && tokenizer->peekChar() != '#') { |
104 | |
105 | char *token = tokenizer->nextToken(WHITESPACE); |
106 | if (!strcmp(token, DEVICE_STR_MBOX)) { |
107 | mDisplayType = DISPLAY_TYPE_MBOX; |
108 | } else if (!strcmp(token, DEVICE_STR_TV)) { |
109 | mDisplayType = DISPLAY_TYPE_TV; |
110 | } else { |
111 | DTRACE("%s: Expected keyword, got '%s'.", tokenizer->getLocation(), token); |
112 | break; |
113 | } |
114 | tokenizer->skipDelimiters(WHITESPACE); |
115 | tokenizer->nextToken(WHITESPACE); |
116 | tokenizer->skipDelimiters(WHITESPACE); |
117 | strcpy(mDefaultMode, tokenizer->nextToken(WHITESPACE)); |
118 | } |
119 | |
120 | tokenizer->nextLine(); |
121 | } |
122 | delete tokenizer; |
123 | } |
124 | return status; |
125 | } |
126 | |
127 | } // namespace amlogic |
128 | } // namespace android |
129 |