/* * Copyright (c) 2014 - 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. */ #ifndef __HWC_SESSION_H__ #define __HWC_SESSION_H__ #include <hardware/hwcomposer.h> #include <core/core_interface.h> #include <utils/locker.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 { class HWCSession : hwc_composer_device_1_t, 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(); private: static const int kExternalConnectionTimeoutMs = 500; static const int kPartialUpdateControlTimeoutMs = 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 int Prepare(hwc_composer_device_1 *device, size_t num_displays, hwc_display_contents_1_t **displays); static int Set(hwc_composer_device_1 *device, size_t num_displays, hwc_display_contents_1_t **displays); static int EventControl(hwc_composer_device_1 *device, int disp, int event, int enable); static int SetPowerMode(hwc_composer_device_1 *device, int disp, int mode); static int Query(hwc_composer_device_1 *device, int param, int *value); static void RegisterProcs(hwc_composer_device_1 *device, hwc_procs_t const *procs); static void Dump(hwc_composer_device_1 *device, char *buffer, int length); // These config functions always return FB params, the actual display params may differ. static int GetDisplayConfigs(hwc_composer_device_1 *device, int disp, uint32_t *configs, size_t *numConfigs); static int GetDisplayAttributes(hwc_composer_device_1 *device, int disp, uint32_t config, const uint32_t *display_attributes, int32_t *values); static int GetActiveConfig(hwc_composer_device_1 *device, int disp); static int SetActiveConfig(hwc_composer_device_1 *device, int disp, int index); static int SetCursorPositionAsync(hwc_composer_device_1 *device, int disp, int x, int y); static void CloseAcquireFds(hwc_display_contents_1_t *content_list); bool IsDisplayYUV(int disp); // Uevent thread static void* HWCUeventThread(void *context); void* HWCUeventThreadHandler(); int GetEventValue(const char *uevent_data, int length, const char *event_info); int HotPlugHandler(bool connected); void ResetPanel(); int ConnectDisplay(int disp, hwc_display_contents_1_t *content_list); int DisconnectDisplay(int disp); void HandleSecureDisplaySession(hwc_display_contents_1_t **displays); int GetVsyncPeriod(int disp); int CreateExternalDisplay(int disp, uint32_t primary_width, uint32_t primary_height, bool use_primary_res); // 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); void 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 SetSecondaryDisplayStatus(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t ToggleScreenUpdates(const android::Parcel *input_parcel, android::Parcel *output_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 ControlPartialUpdate(const android::Parcel *input_parcel, android::Parcel *out); android::status_t OnMinHdcpEncryptionLevelChange(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t SetPanelBrightness(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t GetPanelBrightness(const android::Parcel *input_parcel, android::Parcel *output_parcel); // These functions return the actual display config info as opposed to FB android::status_t HandleSetActiveDisplayConfig(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t HandleGetActiveDisplayConfig(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t HandleGetDisplayConfigCount(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 SetDynamicBWForCamera(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t GetBWTransactionStatus(const android::Parcel *input_parcel, android::Parcel *output_parcel); android::status_t SetMixerResolution(const android::Parcel *input_parcel); android::status_t SetDisplayPort(DisplayPort sdm_disp_port, int *hwc_disp_port); android::status_t GetHdrCapabilities(const android::Parcel *input_parcel, android::Parcel *output_parcel); static Locker locker_; CoreInterface *core_intf_ = NULL; hwc_procs_t hwc_procs_default_; hwc_procs_t const *hwc_procs_ = &hwc_procs_default_; HWCDisplay *hwc_display_[HWC_NUM_DISPLAY_TYPES] = { NULL }; pthread_t uevent_thread_; bool uevent_thread_exit_ = false; const char *uevent_thread_name_ = "HWC_UeventThread"; HWCBufferAllocator buffer_allocator_; HWCBufferSyncHandler buffer_sync_handler_; HWCColorManager *color_mgr_ = NULL; 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_ = NULL; bool is_hdmi_primary_ = false; bool is_hdmi_yuv_ = false; std::bitset<HWC_NUM_DISPLAY_TYPES> connected_displays_; // Bit mask of connected displays HWCSocketHandler socket_handler_; Locker uevent_locker_; }; } // namespace sdm #endif // __HWC_SESSION_H__