path: root/hwc2/common/hdmi/DisplayHdmi.h (plain)
blob: 2d2715059e640e764bd8c2a51795279a571f0801

1	#ifndef AML_DISPLAY_HDMI_H
2	#define AML_DISPLAY_HDMI_H
3
4	#include <gralloc_priv.h>
5	#include <utils/String8.h>
6	#include <sys/ioctl.h>
7	#include <sys/mman.h>
8	#include <sys/time.h>
9	#include <sys/types.h>
10	#include <sys/resource.h>
11	#include <linux/fb.h>
12	#include <string>
13	#include <vector>
14
15	#include <hardware/hardware.h>
16	#include <hardware/hwcomposer.h>
17	#include <Hwcomposer.h>
18	#include <SoftVsyncObserver.h>
19	#include <Utils.h>
20	#include <ISystemControlService.h>
21	#include <gui/SurfaceComposerClient.h>
22
23	#define HWC_DISPLAY_MODE_LENGTH 32
24
25	namespace android {
26	namespace amlogic {
27
28	// display config
29	class DisplayConfig {
30	public:
31	DisplayConfig(const char* dm,
32	int rr,
33	int w = 0,
34	int h = 0,
35	int dpix = 0,
36	int dpiy = 0)
37	: mRefreshRate(rr),
38	mWidth(w),
39	mHeight(h),
40	mDpiX(dpix),
41	mDpiY(dpiy)
42	{
43	memset(mDisplayMode, 0, HWC_DISPLAY_MODE_LENGTH);
44	int length = strlen(dm);
45	length = (length <= HWC_DISPLAY_MODE_LENGTH-1)?length:(HWC_DISPLAY_MODE_LENGTH-1);
46	memcpy(mDisplayMode, dm, length);
47	}
48	public:
49	char* getDisplayMode() const { return (char*)(&mDisplayMode[0]); };
50	int getRefreshRate() const { return mRefreshRate; };
51	int getWidth() const { return mWidth; };
52	int getHeight() const { return mHeight; };
53	int getDpiX() const { return mDpiX; };
54	int getDpiY() const { return mDpiY; };
55	void setDpi(int dpix, int dpiy) {
56	mDpiX = dpix;
57	mDpiY = dpiy;
58	};
59
60	private:
61	char mDisplayMode[HWC_DISPLAY_MODE_LENGTH];
62	int mRefreshRate;
63	int mWidth;
64	int mHeight;
65	int mDpiX;
66	int mDpiY;
67	};
68
69	class DisplayHdmi {
70	public:
71	DisplayHdmi(hwc2_display_t id);
72	~DisplayHdmi();
73
74	void initialize();
75	void deinitialize();
76	void reset();
77	bool updateHotplug(bool connected, framebuffer_info_t * framebufferInfo,
78	private_handle_t* framebufferHnd);
79	int updateDisplayModeList();
80	int updateActiveDisplayMode();
81	int setDisplayMode(const char* displaymode);
82	int updateDisplayConfigures();
83	int updateActiveDisplayConfigure();
84
85	int getDisplayConfigs(uint32_t* outNumConfigs, hwc2_config_t* outConfigs);
86	int getDisplayAttribute(hwc2_config_t config, int32_t attribute, int32_t* outValue);
87	int getActiveConfig(hwc2_config_t* outConfig);
88	int setActiveConfig(int id);
89	//int setPowerMode(int power) {return 0;};
90
91	inline bool isConnected() {return mConnected;};
92	int getActiveRefreshRate() {return mActiveRefreshRate;};
93	bool calcMode2Config(const char *dispMode, int* refreshRate, int* width, int* height);
94	bool readConfigFile(const char* configPath, std::vector<std::string>* supportDispModes);
95	void setSurfaceFlingerActiveMode();
96	void initModes();
97
98	void dump(Dump& d);
99
100	private:
101	hwc2_display_t mDisplayId; //0-primary 1-external
102	bool mConnected;
103	sp<ISystemControlService> mSystemControlService;
104	sp<SurfaceComposerClient> mComposerClient;
105
106	//display outputmode as 4k20hz, 1080p60hz, panel. etc.
107	std::vector<std::string> mAllModes;
108	std::vector<std::string> mSupportDispModes;
109	char mActiveDisplaymode[HWC_DISPLAY_MODE_LENGTH];
110	int mActiveRefreshRate;
111
112	std::vector<DisplayConfig*> mDisplayConfigs;
113	hwc2_config_t mActiveDisplayConfigItem;
114
115	framebuffer_info_t *mFramebufferInfo;
116	private_handle_t *mFramebufferHnd;
117	};
118
119	} // namespace amlogic
120	} // namespace android
121
122	#endif
123