| /* |
| * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. |
| * Not a Contribution. |
| * |
| * Copyright 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __HWC_SESSION_H__ |
| #define __HWC_SESSION_H__ |
| |
| #ifdef DISPLAY_CONFIG_1_3 |
| #include <vendor/display/config/1.3/IDisplayConfig.h> |
| #elif DISPLAY_CONFIG_1_2 |
| #include <vendor/display/config/1.2/IDisplayConfig.h> |
| #elif DISPLAY_CONFIG_1_1 |
| #include <vendor/display/config/1.1/IDisplayConfig.h> |
| #else |
| #include <vendor/display/config/1.0/IDisplayConfig.h> |
| #endif |
| |
| #include <core/core_interface.h> |
| #include <utils/locker.h> |
| |
| #include "hwc_callbacks.h" |
| #include "hwc_layers.h" |
| #include "hwc_display.h" |
| #include "hwc_display_primary.h" |
| #include "hwc_display_external.h" |
| #include "hwc_display_virtual.h" |
| #include "hwc_color_manager.h" |
| #include "hwc_socket_handler.h" |
| |
| namespace sdm { |
| |
| #ifdef DISPLAY_CONFIG_1_3 |
| using vendor::display::config::V1_3::IDisplayConfig; |
| #elif DISPLAY_CONFIG_1_2 |
| using vendor::display::config::V1_2::IDisplayConfig; |
| #elif DISPLAY_CONFIG_1_1 |
| using vendor::display::config::V1_1::IDisplayConfig; |
| #else |
| using ::vendor::display::config::V1_0::IDisplayConfig; |
| #endif |
| using ::android::hardware::Return; |
| |
| // Create a singleton uevent listener thread valid for life of hardware composer process. |
| // This thread blocks on uevents poll inside uevent library implementation. This poll exits |
| // only when there is a valid uevent, it can not be interrupted otherwise. Tieing life cycle |
| // of this thread with HWC session cause HWC deinitialization to wait infinitely for the |
| // thread to exit. |
| class HWCUEventListener { |
| public: |
| virtual ~HWCUEventListener() {} |
| virtual void UEventHandler(const char *uevent_data, int length) = 0; |
| }; |
| |
| class HWCUEvent { |
| public: |
| HWCUEvent(); |
| static void UEventThread(HWCUEvent *hwc_event); |
| void Register(HWCUEventListener *uevent_listener); |
| inline bool InitDone() { return init_done_; } |
| |
| private: |
| std::mutex mutex_; |
| std::condition_variable caller_cv_; |
| HWCUEventListener *uevent_listener_ = nullptr; |
| bool init_done_ = false; |
| }; |
| |
| constexpr int32_t kDataspaceSaturationMatrixCount = 16; |
| constexpr int32_t kDataspaceSaturationPropertyElements = 9; |
| constexpr int32_t kPropertyMax = 256; |
| |
| class HWCSession : hwc2_device_t, HWCUEventListener, IDisplayConfig, public qClient::BnQClient { |
| public: |
| struct HWCModuleMethods : public hw_module_methods_t { |
| HWCModuleMethods() { hw_module_methods_t::open = HWCSession::Open; } |
| }; |
| |
| explicit HWCSession(const hw_module_t *module); |
| int Init(); |
| int Deinit(); |
| HWC2::Error CreateVirtualDisplayObject(uint32_t width, uint32_t height, int32_t *format); |
| |
| template <typename... Args> |
| static int32_t CallDisplayFunction(hwc2_device_t *device, hwc2_display_t display, |
| HWC2::Error (HWCDisplay::*member)(Args...), Args... args) { |
| if (!device) { |
| return HWC2_ERROR_BAD_PARAMETER; |
| } |
| |
| if (display >= HWC_NUM_DISPLAY_TYPES) { |
| return HWC2_ERROR_BAD_DISPLAY; |
| } |
| |
| SCOPE_LOCK(locker_[display]); |
| HWCSession *hwc_session = static_cast<HWCSession *>(device); |
| auto status = HWC2::Error::BadDisplay; |
| if (hwc_session->hwc_display_[display]) { |
| auto hwc_display = hwc_session->hwc_display_[display]; |
| status = (hwc_display->*member)(std::forward<Args>(args)...); |
| } |
| return INT32(status); |
| } |
| |
| template <typename... Args> |
| static int32_t CallLayerFunction(hwc2_device_t *device, hwc2_display_t display, |
| hwc2_layer_t layer, HWC2::Error (HWCLayer::*member)(Args...), |
| Args... args) { |
| if (!device) { |
| return HWC2_ERROR_BAD_PARAMETER; |
| } |
| |
| if (display >= HWC_NUM_DISPLAY_TYPES) { |
| return HWC2_ERROR_BAD_DISPLAY; |
| } |
| |
| SCOPE_LOCK(locker_[display]); |
| HWCSession *hwc_session = static_cast<HWCSession *>(device); |
| auto status = HWC2::Error::BadDisplay; |
| if (hwc_session->hwc_display_[display]) { |
| status = HWC2::Error::BadLayer; |
| auto hwc_layer = hwc_session->hwc_display_[display]->GetHWCLayer(layer); |
| if (hwc_layer != nullptr) { |
| status = (hwc_layer->*member)(std::forward<Args>(args)...); |
| if (hwc_session->hwc_display_[display]->GetGeometryChanges()) { |
| hwc_session->hwc_display_[display]->ResetValidation(); |
| } |
| } |
| } |
| return INT32(status); |
| } |
| |
| // HWC2 Functions that require a concrete implementation in hwc session |
| // and hence need to be member functions |
| static int32_t AcceptDisplayChanges(hwc2_device_t *device, hwc2_display_t display); |
| static int32_t CreateLayer(hwc2_device_t *device, hwc2_display_t display, |
| hwc2_layer_t *out_layer_id); |
| static int32_t CreateVirtualDisplay(hwc2_device_t *device, uint32_t width, uint32_t height, |
| int32_t *format, hwc2_display_t *out_display_id); |
| static int32_t DestroyLayer(hwc2_device_t *device, hwc2_display_t display, hwc2_layer_t layer); |
| static int32_t DestroyVirtualDisplay(hwc2_device_t *device, hwc2_display_t display); |
| static void Dump(hwc2_device_t *device, uint32_t *out_size, char *out_buffer); |
| static int32_t PresentDisplay(hwc2_device_t *device, hwc2_display_t display, |
| int32_t *out_retire_fence); |
| static int32_t RegisterCallback(hwc2_device_t *device, int32_t descriptor, |
| hwc2_callback_data_t callback_data, |
| hwc2_function_pointer_t pointer); |
| static int32_t SetOutputBuffer(hwc2_device_t *device, hwc2_display_t display, |
| buffer_handle_t buffer, int32_t releaseFence); |
| static int32_t SetPowerMode(hwc2_device_t *device, hwc2_display_t display, int32_t int_mode); |
| static int32_t ValidateDisplay(hwc2_device_t *device, hwc2_display_t display, |
| uint32_t *out_num_types, uint32_t *out_num_requests); |
| static int32_t SetColorMode(hwc2_device_t *device, hwc2_display_t display, |
| int32_t /*ColorMode*/ int_mode); |
| static int32_t SetColorModeWithRenderIntent(hwc2_device_t *device, hwc2_display_t display, |
| int32_t /*ColorMode*/ int_mode, |
| int32_t /*RenderIntent*/ int_render_intent); |
| static int32_t SetColorTransform(hwc2_device_t *device, hwc2_display_t display, |
| const float *matrix, int32_t /*android_color_transform_t*/ hint); |
| static int32_t GetReadbackBufferAttributes(hwc2_device_t *device, hwc2_display_t display, |
| int32_t *format, int32_t *dataspace); |
| static int32_t SetReadbackBuffer(hwc2_device_t *device, hwc2_display_t display, |
| const native_handle_t *buffer, int32_t acquire_fence); |
| static int32_t GetReadbackBufferFence(hwc2_device_t *device, hwc2_display_t display, |
| int32_t *release_fence); |
| static int32_t GetDozeSupport(hwc2_device_t *device, hwc2_display_t display, |
| int32_t *out_support); |
| |
| static Locker locker_[HWC_NUM_DISPLAY_TYPES]; |
| |
| private: |
| static const int kExternalConnectionTimeoutMs = 500; |
| static const int kCommitDoneTimeoutMs = 100; |
| |
| // hwc methods |
| static int Open(const hw_module_t *module, const char *name, hw_device_t **device); |
| static int Close(hw_device_t *device); |
| static void GetCapabilities(struct hwc2_device *device, uint32_t *outCount, |
| int32_t *outCapabilities); |
| static hwc2_function_pointer_t GetFunction(struct hwc2_device *device, int32_t descriptor); |
| |
| // Uevent handler |
| virtual void UEventHandler(const char *uevent_data, int length); |
| int GetEventValue(const char *uevent_data, int length, const char *event_info); |
| void HandleExtHPD(const char *uevent_data, int length); |
| int HotPlugHandler(bool connected); |
| void ResetPanel(); |
| int32_t ConnectDisplay(int disp); |
| int DisconnectDisplay(int disp); |
| int GetVsyncPeriod(int disp); |
| int32_t GetConfigCount(int disp_id, uint32_t *count); |
| int32_t GetActiveConfigIndex(int disp_id, uint32_t *config); |
| int32_t SetActiveConfigIndex(int disp_id, uint32_t config); |
| int32_t ControlPartialUpdate(int dpy, bool enable); |
| int32_t DisplayBWTransactionPending(bool *status); |
| int32_t SetSecondaryDisplayStatus(int disp_id, HWCDisplay::DisplayStatus status); |
| int32_t GetPanelBrightness(int *level); |
| int32_t MinHdcpEncryptionLevelChanged(int disp_id, uint32_t min_enc_level); |
| int32_t CreateExternalDisplay(int disp_id, uint32_t primary_width, uint32_t primary_height, |
| bool use_primary_res); |
| |
| // service methods |
| void StartServices(); |
| |
| // Methods from ::android::hardware::display::config::V1_0::IDisplayConfig follow. |
| Return<void> isDisplayConnected(IDisplayConfig::DisplayType dpy, |
| isDisplayConnected_cb _hidl_cb) override; |
| Return<int32_t> setSecondayDisplayStatus(IDisplayConfig::DisplayType dpy, |
| IDisplayConfig::DisplayExternalStatus status) override; |
| Return<int32_t> configureDynRefeshRate(IDisplayConfig::DisplayDynRefreshRateOp op, |
| uint32_t refreshRate) override; |
| Return<void> getConfigCount(IDisplayConfig::DisplayType dpy, |
| getConfigCount_cb _hidl_cb) override; |
| Return<void> getActiveConfig(IDisplayConfig::DisplayType dpy, |
| getActiveConfig_cb _hidl_cb) override; |
| Return<int32_t> setActiveConfig(IDisplayConfig::DisplayType dpy, uint32_t config) override; |
| Return<void> getDisplayAttributes(uint32_t configIndex, IDisplayConfig::DisplayType dpy, |
| getDisplayAttributes_cb _hidl_cb) override; |
| Return<int32_t> setPanelBrightness(uint32_t level) override; |
| Return<void> getPanelBrightness(getPanelBrightness_cb _hidl_cb) override; |
| Return<int32_t> minHdcpEncryptionLevelChanged(IDisplayConfig::DisplayType dpy, |
| uint32_t min_enc_level) override; |
| Return<int32_t> refreshScreen() override; |
| Return<int32_t> controlPartialUpdate(IDisplayConfig::DisplayType dpy, bool enable) override; |
| Return<int32_t> toggleScreenUpdate(bool on) override; |
| Return<int32_t> setIdleTimeout(uint32_t value) override; |
| Return<void> getHDRCapabilities(IDisplayConfig::DisplayType dpy, |
| getHDRCapabilities_cb _hidl_cb) override; |
| Return<int32_t> setCameraLaunchStatus(uint32_t on) override; |
| Return<void> displayBWTransactionPending(displayBWTransactionPending_cb _hidl_cb) override; |
| #ifdef DISPLAY_CONFIG_1_1 |
| Return<int32_t> setDisplayAnimating(uint64_t display_id, bool animating) override; |
| #endif |
| // Methods from ::android::hardware::display::config::V1_2::IDisplayConfig follow. |
| #ifdef DISPLAY_CONFIG_1_2 |
| Return<int32_t> setDisplayIndex(IDisplayConfig::DisplayTypeExt disp_type, |
| uint32_t base, uint32_t count) { return 0; } |
| #endif |
| #ifdef DISPLAY_CONFIG_1_3 |
| Return<int32_t> controlIdlePowerCollapse(bool enable, bool synchronous) override; |
| #endif |
| |
| // QClient methods |
| virtual android::status_t notifyCallback(uint32_t command, const android::Parcel *input_parcel, |
| android::Parcel *output_parcel); |
| void DynamicDebug(const android::Parcel *input_parcel); |
| android::status_t SetFrameDumpConfig(const android::Parcel *input_parcel); |
| android::status_t SetMaxMixerStages(const android::Parcel *input_parcel); |
| android::status_t SetDisplayMode(const android::Parcel *input_parcel); |
| android::status_t ConfigureRefreshRate(const android::Parcel *input_parcel); |
| android::status_t QdcmCMDHandler(const android::Parcel *input_parcel, |
| android::Parcel *output_parcel); |
| android::status_t HandleGetDisplayAttributesForConfig(const android::Parcel *input_parcel, |
| android::Parcel *output_parcel); |
| android::status_t GetVisibleDisplayRect(const android::Parcel *input_parcel, |
| android::Parcel *output_parcel); |
| android::status_t SetMixerResolution(const android::Parcel *input_parcel); |
| android::status_t SetColorModeOverride(const android::Parcel *input_parcel); |
| android::status_t SetColorModeWithRenderIntentOverride(const android::Parcel *input_parcel); |
| android::status_t SetWhitePointCompensation(const android::Parcel *input_parcel); |
| |
| android::status_t SetColorModeById(const android::Parcel *input_parcel); |
| android::status_t getComposerStatus(); |
| android::status_t SetIdlePC(const android::Parcel *input_parcel); |
| |
| void Refresh(hwc2_display_t display); |
| void HotPlug(hwc2_display_t display, HWC2::Connection state); |
| HWC2::Error ValidateDisplayInternal(hwc2_display_t display, uint32_t *out_num_types, |
| uint32_t *out_num_requests); |
| HWC2::Error PresentDisplayInternal(hwc2_display_t display, int32_t *out_retire_fence); |
| |
| CoreInterface *core_intf_ = nullptr; |
| HWCDisplay *hwc_display_[HWC_NUM_DISPLAY_TYPES] = {nullptr}; |
| HWCCallbacks callbacks_; |
| HWCBufferAllocator buffer_allocator_; |
| HWCBufferSyncHandler buffer_sync_handler_; |
| HWCColorManager *color_mgr_ = nullptr; |
| bool reset_panel_ = false; |
| bool secure_display_active_ = false; |
| bool external_pending_connect_ = false; |
| bool new_bw_mode_ = false; |
| bool need_invalidate_ = false; |
| int bw_mode_release_fd_ = -1; |
| qService::QService *qservice_ = nullptr; |
| HWCSocketHandler socket_handler_; |
| bool hdmi_is_primary_ = false; |
| bool is_composer_up_ = false; |
| Locker callbacks_lock_; |
| int hpd_bpp_ = 0; |
| int hpd_pattern_ = 0; |
| uint32_t idle_pc_ref_cnt_ = 0; |
| }; |
| |
| } // namespace sdm |
| |
| #endif // __HWC_SESSION_H__ |
