hwc2: Implement IDisplayConfig HIDL service.

- Add IDisplayConfig service in composer process.
- Add DisplayConfig wrapper to abstract
  IDisplayConfig interfaces.

CRs-Fixed: 2036340
Change-Id: I54535e7224ee842b761509268ebaa2e8425bc8d7

3 files changed, 485 insertions, 0 deletions

diff --git a/libdisplayconfig/Android.mk b/libdisplayconfig/Android.mk
new file mode 100644
index 00000000..fae7f85c
--- /dev/null
+++ b/libdisplayconfig/Android.mk
@@ -0,0 +1,12 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE                  := libdisplayconfig
+LOCAL_MODULE_TAGS             := optional
+LOCAL_HEADER_LIBRARIES        := display_headers
+LOCAL_COPY_HEADERS            := DisplayConfig.h
+LOCAL_SRC_FILES               := DisplayConfig.cpp
+LOCAL_SHARED_LIBRARIES        := libhidlbase libhidltransport libutils \
+                                 vendor.display.config@1.0 android.hidl.base@1.0
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/libdisplayconfig/DisplayConfig.cpp b/libdisplayconfig/DisplayConfig.cpp
new file mode 100644
index 00000000..c55715bd
--- /dev/null
+++ b/libdisplayconfig/DisplayConfig.cpp
@@ -0,0 +1,363 @@
+/*
+* Copyright (c) 2017 The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*    * Redistributions of source code must retain the above copyright
+*      notice, this list of conditions and the following disclaimer.
+*    * Redistributions in binary form must reproduce the above
+*      copyright notice, this list of conditions and the following
+*      disclaimer in the documentation and/or other materials provided
+*      with the distribution.
+*    * Neither the name of The Linux Foundation. nor the names of its
+*      contributors may be used to endorse or promote products derived
+*      from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <vendor/display/config/1.0/IDisplayConfig.h>
+
+#include "DisplayConfig.h"
+
+namespace display {
+
+using vendor::display::config::V1_0::IDisplayConfig;
+
+//=============================================================================
+// The functions below run in the client process and wherever necessary
+// do a binder call to HWC to get/set data.
+
+IDisplayConfig::DisplayType MapDisplayType(int dpy) {
+    switch (dpy) {
+        case DISPLAY_PRIMARY:
+            return IDisplayConfig::DisplayType::DISPLAY_PRIMARY;
+
+        case DISPLAY_EXTERNAL:
+            return IDisplayConfig::DisplayType::DISPLAY_EXTERNAL;
+
+        case DISPLAY_VIRTUAL:
+            return IDisplayConfig::DisplayType::DISPLAY_VIRTUAL;
+
+        default:
+            break;
+    }
+
+    return IDisplayConfig::DisplayType::INVALID;
+}
+
+IDisplayConfig::DisplayExternalStatus MapExternalStatus(uint32_t status) {
+    switch (status) {
+        case EXTERNAL_OFFLINE:
+            return IDisplayConfig::DisplayExternalStatus::EXTERNAL_OFFLINE;
+
+        case EXTERNAL_ONLINE:
+            return IDisplayConfig::DisplayExternalStatus::EXTERNAL_ONLINE;
+
+        case EXTERNAL_PAUSE:
+            return IDisplayConfig::DisplayExternalStatus::EXTERNAL_PAUSE;
+
+        case EXTERNAL_RESUME:
+            return IDisplayConfig::DisplayExternalStatus::EXTERNAL_RESUME;
+
+        default:
+            break;
+    }
+
+    return IDisplayConfig::DisplayExternalStatus::INVALID;
+}
+
+IDisplayConfig::DisplayDynRefreshRateOp MapDynRefreshRateOp(uint32_t op) {
+    switch (op) {
+        case DISABLE_METADATA_DYN_REFRESH_RATE:
+            return IDisplayConfig::DisplayDynRefreshRateOp::DISABLE_METADATA_DYN_REFRESH_RATE;
+
+        case ENABLE_METADATA_DYN_REFRESH_RATE:
+            return IDisplayConfig::DisplayDynRefreshRateOp::ENABLE_METADATA_DYN_REFRESH_RATE;
+
+        case SET_BINDER_DYN_REFRESH_RATE:
+            return IDisplayConfig::DisplayDynRefreshRateOp::SET_BINDER_DYN_REFRESH_RATE;
+
+        default:
+            break;
+    }
+
+    return IDisplayConfig::DisplayDynRefreshRateOp::INVALID;
+}
+
+int MapDisplayPortType(IDisplayConfig::DisplayPortType panelType) {
+    switch (panelType) {
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_DEFAULT:
+            return DISPLAY_PORT_DEFAULT;
+
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_DSI:
+            return DISPLAY_PORT_DSI;
+
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_DTV:
+            return DISPLAY_PORT_DTV;
+
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_WRITEBACK:
+            return DISPLAY_PORT_WRITEBACK;
+
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_LVDS:
+            return DISPLAY_PORT_LVDS;
+
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_EDP:
+            return DISPLAY_PORT_EDP;
+
+        case IDisplayConfig::DisplayPortType::DISPLAY_PORT_DP:
+            return DISPLAY_PORT_DP;
+
+        default:
+            break;
+    }
+
+    return -1;
+}
+
+int isExternalConnected() {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return 0;
+    }
+
+    int connected = 0;
+    intf->isDisplayConnected(IDisplayConfig::DisplayType::DISPLAY_EXTERNAL,
+        [&](const auto &tmpError, const auto &tmpStatus) {
+            if (tmpError) {
+                return;
+            }
+
+            connected = tmpStatus;
+        });
+
+    return connected;
+}
+
+int setSecondayDisplayStatus(int dpy, uint32_t status) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->setSecondayDisplayStatus(MapDisplayType(dpy), MapExternalStatus(status));
+}
+
+int configureDynRefeshRate(uint32_t op, uint32_t refreshRate) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->configureDynRefeshRate(MapDynRefreshRateOp(op), refreshRate);
+}
+
+int getConfigCount(int dpy) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    int count = 0;
+    intf->getActiveConfig(MapDisplayType(dpy),
+        [&](const auto &tmpError, const auto &tmpCount) {
+            if (tmpError) {
+                return;
+            }
+
+            count = tmpCount;
+        });
+
+    return count;
+}
+
+int getActiveConfig(int dpy) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    int config = 0;
+    intf->getActiveConfig(MapDisplayType(dpy),
+        [&](const auto &tmpError, const auto &tmpConfig) {
+            if (tmpError) {
+                return;
+            }
+
+            config = tmpConfig;
+        });
+
+    return config;
+}
+
+int setActiveConfig(int dpy, uint32_t config) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->setActiveConfig(MapDisplayType(dpy), config);
+}
+
+DisplayAttributes getDisplayAttributes(uint32_t configIndex, int dpy) {
+    DisplayAttributes attributes;
+
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return attributes;
+    }
+
+    intf->getDisplayAttributes(configIndex, MapDisplayType(dpy),
+        [&](const auto &tmpError, const auto &tmpAttributes) {
+            if (tmpError) {
+                return;
+            }
+
+            attributes.vsync_period = tmpAttributes.vsyncPeriod;
+            attributes.xres = tmpAttributes.xRes;
+            attributes.yres = tmpAttributes.yRes;
+            attributes.xdpi = tmpAttributes.xDpi;
+            attributes.ydpi = tmpAttributes.yDpi;
+            attributes.panel_type = MapDisplayPortType(tmpAttributes.panelType);
+            attributes.is_yuv = tmpAttributes.isYuv;
+        });
+
+    return attributes;
+}
+
+int setPanelBrightness(uint32_t level) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->setPanelBrightness(level);
+}
+
+uint32_t getPanelBrightness() {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return 0;
+    }
+
+    int level = 0;
+    intf->getPanelBrightness(
+        [&](const auto &tmpError, const auto &tmpLevel) {
+            if (tmpError) {
+                return;
+            }
+
+            level = tmpLevel;
+        });
+
+    return level;
+}
+
+int minHdcpEncryptionLevelChanged(int dpy, uint32_t min_enc_level) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->minHdcpEncryptionLevelChanged(MapDisplayType(dpy), min_enc_level);
+}
+
+int refreshScreen() {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->refreshScreen();
+}
+
+int controlPartialUpdate(int dpy, bool enable) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->controlPartialUpdate(MapDisplayType(dpy), enable);
+}
+
+int toggleScreenUpdate(uint32_t on) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->toggleScreenUpdate(on == 1);
+}
+
+int setIdleTimeout(uint32_t value) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->setIdleTimeout(value);
+}
+
+int getHDRCapabilities(int dpy, DisplayHDRCapabilities *caps) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL || caps == NULL) {
+        return -1;
+    }
+
+    int error = -1;
+    intf->getHDRCapabilities(MapDisplayType(dpy),
+        [&](const auto &tmpError, const auto &tmpCaps) {
+            error = tmpError;
+            if (error) {
+                return;
+            }
+
+            caps->supported_hdr_types = tmpCaps.supportedHdrTypes;
+            caps->max_luminance = tmpCaps.maxLuminance;
+            caps->max_avg_luminance = tmpCaps.maxAvgLuminance;
+            caps->min_luminance = tmpCaps.minLuminance;
+        });
+
+    return error;
+}
+
+int setCameraLaunchStatus(uint32_t on) {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return -1;
+    }
+
+    return intf->setCameraLaunchStatus(on);
+}
+
+bool displayBWTransactionPending() {
+    android::sp<IDisplayConfig> intf = IDisplayConfig::getService();
+    if (intf == NULL) {
+        return 0;
+    }
+
+    int status = 0;
+    intf->displayBWTransactionPending(
+        [&](const auto &tmpError, const auto &tmpStatus) {
+            if (tmpError) {
+                return;
+            }
+
+            status = tmpStatus;
+        });
+
+    return status;
+}
+
+} // namespace display
diff --git a/libdisplayconfig/DisplayConfig.h b/libdisplayconfig/DisplayConfig.h
new file mode 100644
index 00000000..69a542a3
--- /dev/null
+++ b/libdisplayconfig/DisplayConfig.h
@@ -0,0 +1,110 @@
+/*
+ * Copyight (c) 2017 The Linux Foundation. All ights reserved.
+ *
+ * Redistibution and use in souce and binary forms, with or without
+ * modification, ae pemitted provided that the following conditions are
+ * met:
+ *    * Redistibutions of souce code must retain the above copyright
+ *      notice, this list of conditions and the following disclaime.
+ *    * Redistibutions in binay form must reproduce the above
+ *      copyight notice, this list of conditions and the following
+ *      disclaime in the documentation and/o other materials provided
+ *      with the distibution.
+ *    * Neither the name of The Linux Foundation. no the names of its
+ *      contibutos may be used to endorse or promote products derived
+ *      fom this softwae without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __DISPLAY_CONFIG_H__
+#define __DISPLAY_CONFIG_H__
+
+#include <stdint.h>
+#include <vector>
+
+// This header is for clients to use to set/get global display configuration.
+
+namespace display {
+
+enum {
+    DISPLAY_PRIMARY = 0,
+    DISPLAY_EXTERNAL,
+    DISPLAY_VIRTUAL,
+};
+
+enum {
+    EXTERNAL_OFFLINE = 0,
+    EXTERNAL_ONLINE,
+    EXTERNAL_PAUSE,
+    EXTERNAL_RESUME,
+};
+
+enum {
+    DISABLE_METADATA_DYN_REFRESH_RATE = 0,
+    ENABLE_METADATA_DYN_REFRESH_RATE,
+    SET_BINDER_DYN_REFRESH_RATE,
+};
+
+enum {
+    DISPLAY_PORT_DEFAULT = 0,
+    DISPLAY_PORT_DSI,
+    DISPLAY_PORT_DTV,
+    DISPLAY_PORT_WRITEBACK,
+    DISPLAY_PORT_LVDS,
+    DISPLAY_PORT_EDP,
+    DISPLAY_PORT_DP,
+};
+
+struct DisplayAttributes {
+    uint32_t vsync_period = 0; //nanoseconds
+    uint32_t xres = 0;
+    uint32_t yres = 0;
+    float xdpi = 0.0f;
+    float ydpi = 0.0f;
+    int panel_type = DISPLAY_PORT_DEFAULT;
+    bool is_yuv = false;
+};
+
+struct DisplayHDRCapabilities {
+    std::vector<int32_t> supported_hdr_types;
+    float max_luminance = 0.0f;
+    float max_avg_luminance = 0.0f;
+    float min_luminance = 0.0f;
+};
+
+//=============================================================================
+// The functions below run in the client pocess and wherever necessary
+// do a binder call to HWC to get/set data.
+
+int isExternalConnected();
+int setSecondayDisplayStatus(int dpy, uint32_t status);
+int configureDynRefeshRate(uint32_t op, uint32_t refreshRate);
+int getConfigCount(int dpy);
+int getActiveConfig(int dpy);
+int setActiveConfig(int dpy, uint32_t config);
+DisplayAttributes getDisplayAttributes(uint32_t configIndex, int dpy);
+int setPanelBrightness(uint32_t level);
+uint32_t getPanelBrightness();
+int minHdcpEncryptionLevelChanged(int dpy, uint32_t min_enc_level);
+int refreshScreen();
+int controlPartialUpdate(int dpy, bool enable);
+int toggleScreenUpdate(uint32_t on);
+int setIdleTimeout(uint32_t value);
+int getHDRCapabilities(int dpy, DisplayHDRCapabilities *caps);
+int setCameraLaunchStatus(uint32_t on);
+bool displayBWTransactionPending();
+
+} // namespace display
+
+#endif  // __DISPLAY_CONFIG_H__