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      1 /*
      2 // Copyright(c)2014 IntelCorporation
      3 //
      4 // LicensedundertheApacheLicense,Version2.0(the"License");
      5 // youmaynotusethisfileexceptincompliancewiththeLicense.
      6 // YoumayobtainacopyoftheLicenseat
      7 //
      8 // http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unlessrequiredbyapplicablelaworagreedtoinwriting,software
     11 // distributedundertheLicenseisdistributedonan"ASIS"BASIS,
     12 // WITHOUTWARRANTIESORCONDITIONSOFANYKIND,eitherexpressorimplied.
     13 // SeetheLicenseforthespecificlanguagegoverningpermissionsand
     14 // limitationsundertheLicense.
     15 */
     16 #ifndef PHYSICAL_DEVICE_H
     17 #define PHYSICAL_DEVICE_H
     18 
     19 #include <DisplayPlane.h>
     20 #include <IVsyncControl.h>
     21 #include <IBlankControl.h>
     22 #include <IPrepareListener.h>
     23 #include <VsyncEventObserver.h>
     24 #include <HwcLayerList.h>
     25 #include <Drm.h>
     26 #include <IDisplayDevice.h>
     27 
     28 namespace android {
     29 namespace intel {
     30 
     31 class IHdcpControl;
     32 
     33 class DeviceControlFactory {
     34 public:
     35     virtual ~DeviceControlFactory(){}
     36 public:
     37     virtual IVsyncControl* createVsyncControl() = 0;
     38     virtual IBlankControl* createBlankControl() = 0;
     39     virtual IHdcpControl* createHdcpControl() = 0;
     40 };
     41 
     42 class Hwcomposer;
     43 
     44 // Base class for primary and external devices
     45 class PhysicalDevice : public IDisplayDevice {
     46 public:
     47     PhysicalDevice(uint32_t type, Hwcomposer& hwc, DeviceControlFactory* controlFactory);
     48     virtual ~PhysicalDevice();
     49 public:
     50     virtual bool prePrepare(hwc_display_contents_1_t *display);
     51     virtual bool prepare(hwc_display_contents_1_t *display);
     52     virtual bool commit(hwc_display_contents_1_t *display, IDisplayContext *context);
     53 
     54     virtual bool vsyncControl(bool enabled);
     55     virtual bool blank(bool blank);
     56     virtual bool getDisplaySize(int *width, int *height);
     57     virtual bool getDisplayConfigs(uint32_t *configs,
     58                                        size_t *numConfigs);
     59     virtual bool getDisplayAttributes(uint32_t config,
     60                                           const uint32_t *attributes,
     61                                           int32_t *values);
     62     virtual bool compositionComplete();
     63 
     64     virtual bool setPowerMode(int mode);
     65     virtual int  getActiveConfig();
     66     virtual bool setActiveConfig(int index);
     67 
     68     // display config operations
     69     virtual void removeDisplayConfigs();
     70     virtual bool detectDisplayConfigs();
     71 
     72     // device related operations
     73     virtual bool initCheck() const { return mInitialized; }
     74     virtual bool initialize();
     75     virtual void deinitialize();
     76     virtual bool isConnected() const;
     77     virtual const char* getName() const;
     78     virtual int getType() const;
     79     virtual uint32_t getFpsDivider();
     80 
     81     //events
     82     virtual void onVsync(int64_t timestamp);
     83 
     84     virtual void dump(Dump& d);
     85 
     86 protected:
     87     void onGeometryChanged(hwc_display_contents_1_t *list);
     88     bool updateDisplayConfigs();
     89     IVsyncControl* createVsyncControl() {return mControlFactory->createVsyncControl();}
     90     friend class VsyncEventObserver;
     91 
     92 protected:
     93     uint32_t mType;
     94     const char *mName;
     95 
     96     Hwcomposer& mHwc;
     97 
     98     // display configs
     99     Vector<DisplayConfig*> mDisplayConfigs;
    100     int mActiveDisplayConfig;
    101 
    102 
    103     IBlankControl *mBlankControl;
    104     VsyncEventObserver *mVsyncObserver;
    105 
    106     DeviceControlFactory *mControlFactory;
    107 
    108     // layer list
    109     HwcLayerList *mLayerList;
    110     bool mConnected;
    111     bool mBlank;
    112 
    113     // lock
    114     Mutex mLock;
    115 
    116     // DPMS on (1) or off (0)
    117     int mDisplayState;
    118     bool mInitialized;
    119     uint32_t mFpsDivider;
    120 };
    121 
    122 
    123 
    124 }
    125 }
    126 
    127 #endif /* PHYSICAL_DEVICE_H */
    128