1*4d7e907cSAndroid Build Coastguard Worker /*
2*4d7e907cSAndroid Build Coastguard Worker * Copyright (C) 2016 The Android Open Source Project
3*4d7e907cSAndroid Build Coastguard Worker *
4*4d7e907cSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License");
5*4d7e907cSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License.
6*4d7e907cSAndroid Build Coastguard Worker * You may obtain a copy of the License at
7*4d7e907cSAndroid Build Coastguard Worker *
8*4d7e907cSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0
9*4d7e907cSAndroid Build Coastguard Worker *
10*4d7e907cSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software
11*4d7e907cSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS,
12*4d7e907cSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*4d7e907cSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and
14*4d7e907cSAndroid Build Coastguard Worker * limitations under the License.
15*4d7e907cSAndroid Build Coastguard Worker */
16*4d7e907cSAndroid Build Coastguard Worker
17*4d7e907cSAndroid Build Coastguard Worker #define LOG_TAG "light"
18*4d7e907cSAndroid Build Coastguard Worker
19*4d7e907cSAndroid Build Coastguard Worker #include <log/log.h>
20*4d7e907cSAndroid Build Coastguard Worker
21*4d7e907cSAndroid Build Coastguard Worker #include <stdio.h>
22*4d7e907cSAndroid Build Coastguard Worker
23*4d7e907cSAndroid Build Coastguard Worker #include "Light.h"
24*4d7e907cSAndroid Build Coastguard Worker
25*4d7e907cSAndroid Build Coastguard Worker namespace android {
26*4d7e907cSAndroid Build Coastguard Worker namespace hardware {
27*4d7e907cSAndroid Build Coastguard Worker namespace light {
28*4d7e907cSAndroid Build Coastguard Worker namespace V2_0 {
29*4d7e907cSAndroid Build Coastguard Worker namespace implementation {
30*4d7e907cSAndroid Build Coastguard Worker
31*4d7e907cSAndroid Build Coastguard Worker static_assert(LIGHT_FLASH_NONE == static_cast<int>(Flash::NONE),
32*4d7e907cSAndroid Build Coastguard Worker "Flash::NONE must match legacy value.");
33*4d7e907cSAndroid Build Coastguard Worker static_assert(LIGHT_FLASH_TIMED == static_cast<int>(Flash::TIMED),
34*4d7e907cSAndroid Build Coastguard Worker "Flash::TIMED must match legacy value.");
35*4d7e907cSAndroid Build Coastguard Worker static_assert(LIGHT_FLASH_HARDWARE == static_cast<int>(Flash::HARDWARE),
36*4d7e907cSAndroid Build Coastguard Worker "Flash::HARDWARE must match legacy value.");
37*4d7e907cSAndroid Build Coastguard Worker
38*4d7e907cSAndroid Build Coastguard Worker static_assert(BRIGHTNESS_MODE_USER == static_cast<int>(Brightness::USER),
39*4d7e907cSAndroid Build Coastguard Worker "Brightness::USER must match legacy value.");
40*4d7e907cSAndroid Build Coastguard Worker static_assert(BRIGHTNESS_MODE_SENSOR == static_cast<int>(Brightness::SENSOR),
41*4d7e907cSAndroid Build Coastguard Worker "Brightness::SENSOR must match legacy value.");
42*4d7e907cSAndroid Build Coastguard Worker static_assert(BRIGHTNESS_MODE_LOW_PERSISTENCE ==
43*4d7e907cSAndroid Build Coastguard Worker static_cast<int>(Brightness::LOW_PERSISTENCE),
44*4d7e907cSAndroid Build Coastguard Worker "Brightness::LOW_PERSISTENCE must match legacy value.");
45*4d7e907cSAndroid Build Coastguard Worker
Light(std::map<Type,light_device_t * > && lights)46*4d7e907cSAndroid Build Coastguard Worker Light::Light(std::map<Type, light_device_t*> &&lights)
47*4d7e907cSAndroid Build Coastguard Worker : mLights(std::move(lights)) {}
48*4d7e907cSAndroid Build Coastguard Worker
49*4d7e907cSAndroid Build Coastguard Worker // Methods from ::android::hardware::light::V2_0::ILight follow.
setLight(Type type,const LightState & state)50*4d7e907cSAndroid Build Coastguard Worker Return<Status> Light::setLight(Type type, const LightState& state) {
51*4d7e907cSAndroid Build Coastguard Worker auto it = mLights.find(type);
52*4d7e907cSAndroid Build Coastguard Worker
53*4d7e907cSAndroid Build Coastguard Worker if (it == mLights.end()) {
54*4d7e907cSAndroid Build Coastguard Worker return Status::LIGHT_NOT_SUPPORTED;
55*4d7e907cSAndroid Build Coastguard Worker }
56*4d7e907cSAndroid Build Coastguard Worker
57*4d7e907cSAndroid Build Coastguard Worker light_device_t* hwLight = it->second;
58*4d7e907cSAndroid Build Coastguard Worker
59*4d7e907cSAndroid Build Coastguard Worker light_state_t legacyState {
60*4d7e907cSAndroid Build Coastguard Worker .color = state.color,
61*4d7e907cSAndroid Build Coastguard Worker .flashMode = static_cast<int>(state.flashMode),
62*4d7e907cSAndroid Build Coastguard Worker .flashOnMS = state.flashOnMs,
63*4d7e907cSAndroid Build Coastguard Worker .flashOffMS = state.flashOffMs,
64*4d7e907cSAndroid Build Coastguard Worker .brightnessMode = static_cast<int>(state.brightnessMode),
65*4d7e907cSAndroid Build Coastguard Worker };
66*4d7e907cSAndroid Build Coastguard Worker
67*4d7e907cSAndroid Build Coastguard Worker int ret = hwLight->set_light(hwLight, &legacyState);
68*4d7e907cSAndroid Build Coastguard Worker
69*4d7e907cSAndroid Build Coastguard Worker switch (ret) {
70*4d7e907cSAndroid Build Coastguard Worker case -ENOSYS:
71*4d7e907cSAndroid Build Coastguard Worker return Status::BRIGHTNESS_NOT_SUPPORTED;
72*4d7e907cSAndroid Build Coastguard Worker case 0:
73*4d7e907cSAndroid Build Coastguard Worker return Status::SUCCESS;
74*4d7e907cSAndroid Build Coastguard Worker default:
75*4d7e907cSAndroid Build Coastguard Worker return Status::UNKNOWN;
76*4d7e907cSAndroid Build Coastguard Worker }
77*4d7e907cSAndroid Build Coastguard Worker }
78*4d7e907cSAndroid Build Coastguard Worker
getSupportedTypes(getSupportedTypes_cb _hidl_cb)79*4d7e907cSAndroid Build Coastguard Worker Return<void> Light::getSupportedTypes(getSupportedTypes_cb _hidl_cb) {
80*4d7e907cSAndroid Build Coastguard Worker Type *types = new Type[mLights.size()];
81*4d7e907cSAndroid Build Coastguard Worker
82*4d7e907cSAndroid Build Coastguard Worker int idx = 0;
83*4d7e907cSAndroid Build Coastguard Worker for(auto const &pair : mLights) {
84*4d7e907cSAndroid Build Coastguard Worker Type type = pair.first;
85*4d7e907cSAndroid Build Coastguard Worker
86*4d7e907cSAndroid Build Coastguard Worker types[idx++] = type;
87*4d7e907cSAndroid Build Coastguard Worker }
88*4d7e907cSAndroid Build Coastguard Worker
89*4d7e907cSAndroid Build Coastguard Worker {
90*4d7e907cSAndroid Build Coastguard Worker hidl_vec<Type> hidl_types{};
91*4d7e907cSAndroid Build Coastguard Worker hidl_types.setToExternal(types, mLights.size());
92*4d7e907cSAndroid Build Coastguard Worker
93*4d7e907cSAndroid Build Coastguard Worker _hidl_cb(hidl_types);
94*4d7e907cSAndroid Build Coastguard Worker }
95*4d7e907cSAndroid Build Coastguard Worker
96*4d7e907cSAndroid Build Coastguard Worker delete[] types;
97*4d7e907cSAndroid Build Coastguard Worker
98*4d7e907cSAndroid Build Coastguard Worker return Void();
99*4d7e907cSAndroid Build Coastguard Worker }
100*4d7e907cSAndroid Build Coastguard Worker
101*4d7e907cSAndroid Build Coastguard Worker const static std::map<Type, const char*> kLogicalLights = {
102*4d7e907cSAndroid Build Coastguard Worker {Type::BACKLIGHT, LIGHT_ID_BACKLIGHT},
103*4d7e907cSAndroid Build Coastguard Worker {Type::KEYBOARD, LIGHT_ID_KEYBOARD},
104*4d7e907cSAndroid Build Coastguard Worker {Type::BUTTONS, LIGHT_ID_BUTTONS},
105*4d7e907cSAndroid Build Coastguard Worker {Type::BATTERY, LIGHT_ID_BATTERY},
106*4d7e907cSAndroid Build Coastguard Worker {Type::NOTIFICATIONS, LIGHT_ID_NOTIFICATIONS},
107*4d7e907cSAndroid Build Coastguard Worker {Type::ATTENTION, LIGHT_ID_ATTENTION},
108*4d7e907cSAndroid Build Coastguard Worker {Type::BLUETOOTH, LIGHT_ID_BLUETOOTH},
109*4d7e907cSAndroid Build Coastguard Worker {Type::WIFI, LIGHT_ID_WIFI}
110*4d7e907cSAndroid Build Coastguard Worker };
111*4d7e907cSAndroid Build Coastguard Worker
debug(const hidl_handle & handle,const hidl_vec<hidl_string> &)112*4d7e907cSAndroid Build Coastguard Worker Return<void> Light::debug(const hidl_handle& handle, const hidl_vec<hidl_string>& /* options */) {
113*4d7e907cSAndroid Build Coastguard Worker if (handle == nullptr || handle->numFds < 1) {
114*4d7e907cSAndroid Build Coastguard Worker ALOGE("debug called with no handle\n");
115*4d7e907cSAndroid Build Coastguard Worker return Void();
116*4d7e907cSAndroid Build Coastguard Worker }
117*4d7e907cSAndroid Build Coastguard Worker
118*4d7e907cSAndroid Build Coastguard Worker int fd = handle->data[0];
119*4d7e907cSAndroid Build Coastguard Worker if (fd < 0) {
120*4d7e907cSAndroid Build Coastguard Worker ALOGE("invalid FD: %d\n", handle->data[0]);
121*4d7e907cSAndroid Build Coastguard Worker return Void();
122*4d7e907cSAndroid Build Coastguard Worker }
123*4d7e907cSAndroid Build Coastguard Worker
124*4d7e907cSAndroid Build Coastguard Worker dprintf(fd, "The following lights are registered: ");
125*4d7e907cSAndroid Build Coastguard Worker for (auto const& pair : mLights) {
126*4d7e907cSAndroid Build Coastguard Worker const Type type = pair.first;
127*4d7e907cSAndroid Build Coastguard Worker dprintf(fd, "%s,", kLogicalLights.at(type));
128*4d7e907cSAndroid Build Coastguard Worker }
129*4d7e907cSAndroid Build Coastguard Worker dprintf(fd, ".\n");
130*4d7e907cSAndroid Build Coastguard Worker fsync(fd);
131*4d7e907cSAndroid Build Coastguard Worker return Void();
132*4d7e907cSAndroid Build Coastguard Worker }
133*4d7e907cSAndroid Build Coastguard Worker
getLightDevice(const char * name)134*4d7e907cSAndroid Build Coastguard Worker light_device_t* getLightDevice(const char* name) {
135*4d7e907cSAndroid Build Coastguard Worker light_device_t* lightDevice;
136*4d7e907cSAndroid Build Coastguard Worker const hw_module_t* hwModule = NULL;
137*4d7e907cSAndroid Build Coastguard Worker
138*4d7e907cSAndroid Build Coastguard Worker int ret = hw_get_module (LIGHTS_HARDWARE_MODULE_ID, &hwModule);
139*4d7e907cSAndroid Build Coastguard Worker if (ret == 0) {
140*4d7e907cSAndroid Build Coastguard Worker ret = hwModule->methods->open(hwModule, name,
141*4d7e907cSAndroid Build Coastguard Worker reinterpret_cast<hw_device_t**>(&lightDevice));
142*4d7e907cSAndroid Build Coastguard Worker if (ret != 0) {
143*4d7e907cSAndroid Build Coastguard Worker ALOGI("light_open %s %s failed: %d", LIGHTS_HARDWARE_MODULE_ID, name, ret);
144*4d7e907cSAndroid Build Coastguard Worker }
145*4d7e907cSAndroid Build Coastguard Worker } else {
146*4d7e907cSAndroid Build Coastguard Worker ALOGE("hw_get_module %s %s failed: %d", LIGHTS_HARDWARE_MODULE_ID, name, ret);
147*4d7e907cSAndroid Build Coastguard Worker }
148*4d7e907cSAndroid Build Coastguard Worker
149*4d7e907cSAndroid Build Coastguard Worker if (ret == 0) {
150*4d7e907cSAndroid Build Coastguard Worker return lightDevice;
151*4d7e907cSAndroid Build Coastguard Worker } else {
152*4d7e907cSAndroid Build Coastguard Worker ALOGE("Light passthrough failed to load legacy HAL.");
153*4d7e907cSAndroid Build Coastguard Worker return nullptr;
154*4d7e907cSAndroid Build Coastguard Worker }
155*4d7e907cSAndroid Build Coastguard Worker }
156*4d7e907cSAndroid Build Coastguard Worker
HIDL_FETCH_ILight(const char *)157*4d7e907cSAndroid Build Coastguard Worker ILight* HIDL_FETCH_ILight(const char* /* name */) {
158*4d7e907cSAndroid Build Coastguard Worker std::map<Type, light_device_t*> lights;
159*4d7e907cSAndroid Build Coastguard Worker
160*4d7e907cSAndroid Build Coastguard Worker for(auto const &pair : kLogicalLights) {
161*4d7e907cSAndroid Build Coastguard Worker Type type = pair.first;
162*4d7e907cSAndroid Build Coastguard Worker const char* name = pair.second;
163*4d7e907cSAndroid Build Coastguard Worker
164*4d7e907cSAndroid Build Coastguard Worker light_device_t* light = getLightDevice(name);
165*4d7e907cSAndroid Build Coastguard Worker
166*4d7e907cSAndroid Build Coastguard Worker if (light != nullptr) {
167*4d7e907cSAndroid Build Coastguard Worker lights[type] = light;
168*4d7e907cSAndroid Build Coastguard Worker }
169*4d7e907cSAndroid Build Coastguard Worker }
170*4d7e907cSAndroid Build Coastguard Worker
171*4d7e907cSAndroid Build Coastguard Worker if (lights.size() == 0) {
172*4d7e907cSAndroid Build Coastguard Worker // Log information, but still return new Light.
173*4d7e907cSAndroid Build Coastguard Worker // Some devices may not have any lights.
174*4d7e907cSAndroid Build Coastguard Worker ALOGI("Could not open any lights.");
175*4d7e907cSAndroid Build Coastguard Worker }
176*4d7e907cSAndroid Build Coastguard Worker
177*4d7e907cSAndroid Build Coastguard Worker return new Light(std::move(lights));
178*4d7e907cSAndroid Build Coastguard Worker }
179*4d7e907cSAndroid Build Coastguard Worker
180*4d7e907cSAndroid Build Coastguard Worker } // namespace implementation
181*4d7e907cSAndroid Build Coastguard Worker } // namespace V2_0
182*4d7e907cSAndroid Build Coastguard Worker } // namespace light
183*4d7e907cSAndroid Build Coastguard Worker } // namespace hardware
184*4d7e907cSAndroid Build Coastguard Worker } // namespace android
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