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* Copyright (c) 2014 - 2017, The Linux Foundation. All rights reserved.
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* endorse or promote products derived from this software without specific prior written
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#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_;
};
} // namespace sdm
#endif // __HWC_SESSION_H__