1 /*
2  * Copyright (C) 2019 The Android Open Source Project
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 #ifndef EXYNOS_DISPLAY_MODULE_H
17 #define EXYNOS_DISPLAY_MODULE_H
18 
19 #include <gs101/displaycolor/displaycolor_gs101.h>
20 
21 #include "ExynosDeviceModule.h"
22 #include "ExynosDisplay.h"
23 #include "ExynosLayer.h"
24 #include "ExynosPrimaryDisplay.h"
25 
26 constexpr char kAtcJsonRaw[] =
27         "{\"version\":\"0.0\",\"modes\":[{\"name\":\"normal\",\"lux_map\":[0,5000,10000,"
28         "50000,70000],\"ambient_light_map\":[0,0,12,32,63],\"strength_map\":[0,0,128,128,200],"
29         "\"st_up_step\":2, \"st_down_step\":2,"
30         "\"sub_setting\":{\"local_tone_gain\":128,\"noise_suppression_gain\":128,\"dither\":0,"
31         "\"plain_weight_1\":10,\"plain_weight_2\":14,\"color_transform_mode\":2,\"preprocessing_"
32         "enable\":1,\"upgrade_on\":0,\"TDR_max\":900,\"TDR_min\":256,\"backlight\":255,\"dimming_"
33         "step\":4,\"scale_mode\":1,\"threshold_1\":1,\"threshold_2\":1,\"threshold_3\":1,\"gain_"
34         "limit\":511,\"lt_calc_ab_shift\":1}}]}";
35 
36 constexpr char kAtcProfilePath[] = "vendor/etc/atc_profile.json";
37 constexpr char kAtcProfileVersionStr[] = "version";
38 constexpr char kAtcProfileModesStr[] = "modes";
39 constexpr char kAtcProfileModeNameStr[] = "name";
40 constexpr char kAtcProfileLuxMapStr[] = "lux_map";
41 constexpr char kAtcProfileAlMapStr[] = "ambient_light_map";
42 constexpr char kAtcProfileStMapStr[] = "strength_map";
43 constexpr char kAtcProfileSubSettingStr[] = "sub_setting";
44 constexpr char kAtcProfileStUpStepStr[] = "st_up_step";
45 constexpr char kAtcProfileStDownStepStr[] = "st_down_step";
46 constexpr uint32_t kAtcStStep = 2;
47 
48 constexpr char kAtcModeNormalStr[] = "normal";
49 constexpr char kAtcModeHbmStr[] = "hbm";
50 constexpr char kAtcModePowerSaveStr[] = "power_save";
51 
52 #define ATC_AMBIENT_LIGHT_FILE_NAME "/sys/class/dqe/atc/ambient_light"
53 #define ATC_ST_FILE_NAME "/sys/class/dqe/atc/st"
54 #define ATC_ENABLE_FILE_NAME "/sys/class/dqe/atc/en"
55 #define ATC_LT_FILE_NAME "/sys/class/dqe/atc/lt"
56 #define ATC_NS_FILE_NAME "/sys/class/dqe/atc/ns"
57 #define ATC_DITHER_FILE_NAME "/sys/class/dqe/atc/dither"
58 #define ATC_PL_W1_FILE_NAME "/sys/class/dqe/atc/pl_w1"
59 #define ATC_PL_W2_FILE_NAME "/sys/class/dqe/atc/pl_w2"
60 #define ATC_CTMODE_FILE_NAME "/sys/class/dqe/atc/ctmode"
61 #define ATC_PP_EN_FILE_NAME "/sys/class/dqe/atc/pp_en"
62 #define ATC_UPGRADE_ON_FILE_NAME "/sys/class/dqe/atc/upgrade_on"
63 #define ATC_TDR_MAX_FILE_NAME "/sys/class/dqe/atc/tdr_max"
64 #define ATC_TDR_MIN_FILE_NAME "/sys/class/dqe/atc/tdr_min"
65 #define ATC_BACKLIGHT_FILE_NAME "/sys/class/dqe/atc/back_light"
66 #define ATC_DSTEP_FILE_NAME "/sys/class/dqe/atc/dstep"
67 #define ATC_SCALE_MODE_FILE_NAME "/sys/class/dqe/atc/scale_mode"
68 #define ATC_THRESHOLD_1_FILE_NAME "/sys/class/dqe/atc/threshold_1"
69 #define ATC_THRESHOLD_2_FILE_NAME "/sys/class/dqe/atc/threshold_2"
70 #define ATC_THRESHOLD_3_FILE_NAME "/sys/class/dqe/atc/threshold_3"
71 #define ATC_GAIN_LIMIT_FILE_NAME "/sys/class/dqe/atc/gain_limit"
72 #define ATC_LT_CALC_AB_SHIFT_FILE_NAME "/sys/class/dqe/atc/lt_calc_ab_shift"
73 
74 const std::unordered_map<std::string, std::string> kAtcSubSetting =
75         {{"local_tone_gain", ATC_LT_FILE_NAME},
76          {"noise_suppression_gain", ATC_NS_FILE_NAME},
77          {"dither", ATC_DITHER_FILE_NAME},
78          {"plain_weight_1", ATC_PL_W1_FILE_NAME},
79          {"plain_weight_2", ATC_PL_W2_FILE_NAME},
80          {"color_transform_mode", ATC_CTMODE_FILE_NAME},
81          {"preprocessing_enable", ATC_PP_EN_FILE_NAME},
82          {"upgrade_on", ATC_UPGRADE_ON_FILE_NAME},
83          {"TDR_max", ATC_TDR_MAX_FILE_NAME},
84          {"TDR_min", ATC_TDR_MIN_FILE_NAME},
85          {"backlight", ATC_BACKLIGHT_FILE_NAME},
86          {"dimming_step", ATC_DSTEP_FILE_NAME},
87          {"scale_mode", ATC_SCALE_MODE_FILE_NAME},
88          {"threshold_1", ATC_THRESHOLD_1_FILE_NAME},
89          {"threshold_2", ATC_THRESHOLD_2_FILE_NAME},
90          {"threshold_3", ATC_THRESHOLD_3_FILE_NAME},
91          {"gain_limit", ATC_GAIN_LIMIT_FILE_NAME},
92          {"lt_calc_ab_shift", ATC_LT_CALC_AB_SHIFT_FILE_NAME}};
93 
94 namespace gs101 {
95 
96 using namespace displaycolor;
97 
98 class ExynosPrimaryDisplayModule : public ExynosPrimaryDisplay {
99     public:
100         ExynosPrimaryDisplayModule(uint32_t index, ExynosDevice *device);
101         ~ExynosPrimaryDisplayModule();
102         void usePreDefinedWindow(bool use);
103         virtual int32_t validateWinConfigData();
104         void doPreProcessing();
105         virtual int32_t getColorModes(
106                 uint32_t* outNumModes,
107                 int32_t* outModes);
108         virtual int32_t setColorMode(int32_t mode);
109         virtual int32_t getRenderIntents(int32_t mode, uint32_t* outNumIntents,
110                 int32_t* outIntents);
111         virtual int32_t setColorModeWithRenderIntent(int32_t mode,
112                 int32_t intent);
113         virtual int32_t setColorTransform(const float* matrix, int32_t hint);
114         virtual int deliverWinConfigData();
115         virtual int32_t updateColorConversionInfo();
116         virtual int32_t updatePresentColorConversionInfo();
checkRrCompensationEnabled()117         virtual bool checkRrCompensationEnabled() {
118             const DisplayType display = getDisplayTypeFromIndex(mIndex);
119             IDisplayColorGS101* displayColorInterface = getDisplayColorInterface();
120             return displayColorInterface->IsRrCompensationEnabled(display);
121         }
122 
123         virtual bool isColorCalibratedByDevice();
124 
125         virtual int32_t getColorAdjustedDbv(uint32_t &dbv_adj);
126 
127         virtual void initLbe();
128         virtual void setLbeState(LbeState state);
129         virtual void setLbeAmbientLight(int value);
130         virtual LbeState getLbeState();
131 
132         class DisplaySceneInfo {
133             public:
134                 struct LayerMappingInfo {
135                     bool operator==(const LayerMappingInfo &rhs) const {
136                         return ((dppIdx == rhs.dppIdx) && (planeId == rhs.planeId));
137                     }
138 
139                     // index in DisplayScene::layer_data
140                     uint32_t dppIdx;
141                     // assigned drm plane id in last color setting update
142                     uint32_t planeId;
143                 };
144                 bool colorSettingChanged = false;
145                 bool displaySettingDelivered = false;
146                 DisplayScene displayScene;
147 
148                 /*
149                  * Index of LayerColorData in DisplayScene::layer_data
150                  * and assigned plane id in last color setting update.
151                  * for each layer, including client composition
152                  * key: ExynosMPPSource*
153                  * data: LayerMappingInfo
154                  */
155                 std::map<ExynosMPPSource*, LayerMappingInfo> layerDataMappingInfo;
156                 std::map<ExynosMPPSource*, LayerMappingInfo> prev_layerDataMappingInfo;
157 
reset()158                 void reset() {
159                     colorSettingChanged = false;
160                     prev_layerDataMappingInfo = layerDataMappingInfo;
161                     layerDataMappingInfo.clear();
162                 };
163 
164                 template <typename T, typename M>
updateInfoSingleVal(T & dst,M & src)165                 void updateInfoSingleVal(T &dst, M &src) {
166                     if (src != dst) {
167                         colorSettingChanged = true;
168                         dst = src;
169                     }
170                 };
171 
172                 template <typename T, typename M>
updateInfoVectorVal(std::vector<T> & dst,M * src,uint32_t size)173                 void updateInfoVectorVal(std::vector<T> &dst, M *src, uint32_t size) {
174                     if ((dst.size() != size) ||
175                         !std::equal(dst.begin(), dst.end(), src)) {
176                         colorSettingChanged = true;
177                         dst.resize(size);
178                         for (uint32_t i = 0; i < size; i++) {
179                             dst[i] = src[i];
180                         }
181                     }
182                 };
183 
setColorMode(hwc::ColorMode mode)184                 void setColorMode(hwc::ColorMode mode) {
185                     updateInfoSingleVal(displayScene.color_mode, mode);
186                 };
187 
setRenderIntent(hwc::RenderIntent intent)188                 void setRenderIntent(hwc::RenderIntent intent) {
189                     updateInfoSingleVal(displayScene.render_intent, intent);
190                 };
191 
setColorTransform(const float * matrix)192                 void setColorTransform(const float* matrix) {
193                     for (uint32_t i = 0; i < displayScene.matrix.size(); i++) {
194                         if (displayScene.matrix[i] != matrix[i]) {
195                             colorSettingChanged = true;
196                             displayScene.matrix[i] = matrix[i];
197                         }
198                     }
199                 }
200 
201                 LayerColorData& getLayerColorDataInstance(uint32_t index);
202                 int32_t setLayerDataMappingInfo(ExynosMPPSource* layer, uint32_t index);
203                 void setLayerDataspace(LayerColorData& layerColorData,
204                         hwc::Dataspace dataspace);
205                 void disableLayerHdrStaticMetadata(LayerColorData& layerColorData);
206                 void setLayerHdrStaticMetadata(LayerColorData& layerColorData,
207                         const ExynosHdrStaticInfo& exynosHdrStaticInfo);
208                 void setLayerColorTransform(LayerColorData& layerColorData,
209                         std::array<float, TRANSFORM_MAT_SIZE> &matrix);
210                 void disableLayerHdrDynamicMetadata(LayerColorData& layerColorData);
211                 void setLayerHdrDynamicMetadata(LayerColorData& layerColorData,
212                         const ExynosHdrDynamicInfo& exynosHdrDynamicInfo);
213                 int32_t setLayerColorData(LayerColorData& layerData,
214                         ExynosLayer* layer, float dimSdrRatio);
215                 int32_t setClientCompositionColorData(
216                     const ExynosCompositionInfo& clientCompositionInfo,
217                     LayerColorData& layerData, float dimSdrRatio);
218                 bool needDisplayColorSetting();
219                 void printDisplayScene();
220                 void printLayerColorData(const LayerColorData& layerData);
221         };
222 
hasDisplayColor()223         bool hasDisplayColor() {
224             IDisplayColorGS101* displayColorInterface = getDisplayColorInterface();
225             return displayColorInterface != nullptr;
226         }
227 
228         /* Call getDppForLayer() only if hasDppForLayer() is true */
229         bool hasDppForLayer(ExynosMPPSource* layer);
230         const IDisplayColorGS101::IDpp& getDppForLayer(ExynosMPPSource* layer);
231         int32_t getDppIndexForLayer(ExynosMPPSource* layer);
232         /* Check if layer's assigned plane id has changed, save the new planeId.
233          * call only if hasDppForLayer is true */
checkAndSaveLayerPlaneId(ExynosMPPSource * layer,uint32_t planeId)234         bool checkAndSaveLayerPlaneId(ExynosMPPSource* layer, uint32_t planeId) {
235             auto &info = mDisplaySceneInfo.layerDataMappingInfo[layer];
236             bool change = info.planeId != planeId;
237             info.planeId = planeId;
238             return change;
239         }
240 
getNumOfDpp()241         size_t getNumOfDpp() {
242             const DisplayType display = getDisplayTypeFromIndex(mIndex);
243             IDisplayColorGS101* displayColorInterface = getDisplayColorInterface();
244             return displayColorInterface->GetPipelineData(display)->Dpp().size();
245         };
246 
getDqe()247         const IDisplayColorGS101::IDqe& getDqe()
248         {
249             const DisplayType display = getDisplayTypeFromIndex(mIndex);
250             IDisplayColorGS101* displayColorInterface = getDisplayColorInterface();
251             return displayColorInterface->GetPipelineData(display)->Dqe();
252         };
253 
254     private:
255         int32_t setLayersColorData();
256         DisplaySceneInfo mDisplaySceneInfo;
257 
258         struct atc_lux_map {
259             uint32_t lux;
260             uint32_t al;
261             uint32_t st;
262         };
263 
264         struct atc_mode {
265             std::vector<atc_lux_map> lux_map;
266             std::unordered_map<std::string, int32_t> sub_setting;
267             uint32_t st_up_step;
268             uint32_t st_down_step;
269         };
270 
271         bool parseAtcProfile();
272         int32_t setAtcMode(std::string mode_name);
273         uint32_t getAtcLuxMapIndex(std::vector<atc_lux_map>, uint32_t lux);
274         int32_t setAtcAmbientLight(uint32_t ambient_light);
275         int32_t setAtcStrength(uint32_t strenght);
276         int32_t setAtcStDimming(uint32_t target);
277         int32_t setAtcEnable(bool enable);
278         void checkAtcAnimation();
isInAtcAnimation()279         bool isInAtcAnimation() {
280             if (mAtcStStepCount > 0)
281                 return true;
282             else
283                 return false;
284         };
285 
getDisplayTypeFromIndex(uint32_t index)286         DisplayType getDisplayTypeFromIndex(uint32_t index) {
287             return (index >= DisplayType::DISPLAY_MAX) ? DisplayType::DISPLAY_PRIMARY
288                                                        : DisplayType(mIndex);
289         };
290 
getDisplayColorInterface()291         IDisplayColorGS101* getDisplayColorInterface() {
292             ExynosDeviceModule* device = (ExynosDeviceModule*)mDevice;
293             return device->getDisplayColorInterface();
294         }
295 
isForceColorUpdate()296         bool isForceColorUpdate() const { return mForceColorUpdate; }
setForceColorUpdate(bool force)297         void setForceColorUpdate(bool force) { mForceColorUpdate = force; }
298         bool isDisplaySwitched(int32_t mode, int32_t prevMode);
299 
300         std::map<std::string, atc_mode> mAtcModeSetting;
301         bool mAtcInit;
302         LbeState mCurrentLbeState = LbeState::OFF;
303         std::string mCurrentAtcModeName;
304         uint32_t mCurrentLux = 0;
305         uint32_t mAtcLuxMapIndex = 0;
306         CtrlValue<uint32_t> mAtcAmbientLight;
307         CtrlValue<uint32_t> mAtcStrength;
308         CtrlValue<uint32_t> mAtcEnable;
309         std::unordered_map<std::string, CtrlValue<int32_t>> mAtcSubSetting;
310         uint32_t mAtcStStepCount = 0;
311         uint32_t mAtcStTarget = 0;
312         uint32_t mAtcStUpStep;
313         uint32_t mAtcStDownStep;
314         Mutex mAtcStMutex;
315         bool mPendingAtcOff;
316         bool mForceColorUpdate = false;
317 
318     protected:
319         virtual int32_t setPowerMode(int32_t mode) override;
320 };
321 
322 }  // namespace gs101
323 
324 #endif
325