path: root/hwc2/common/utils/Utils.h (plain)
blob: 53a55d0cff2c2731061ede1c34fec86706d0a9fa

1	/*
2	// Copyright(c) 2016 Amlogic Corporation
3	*/
4
5	#ifndef UTILS_H_
6	#define UTILS_H_
7
8	#include <gralloc_priv.h>
9	#if WITH_LIBPLAYER_MODULE
10	#include <Amavutils.h>
11	#endif
12
13	#define DISPLAY_HPD_STATE "/sys/class/amhdmitx/amhdmitx0/hpd_state"
14	#define DISPLAY_HDMI_EDID "/sys/class/amhdmitx/amhdmitx0/disp_cap"
15	#define SYSFS_AMVIDEO_CURIDX "/sys/module/amvideo/parameters/cur_dev_idx"
16	#define SYSFS_DISPLAY_MODE "/sys/class/display/mode"
17	#define SYSFS_DISPLAY1_MODE "/sys/class/display/mode"
18	#define SYSFS_DISPLAY2_MODE "/sys/class/display2/mode"
19	#define SYSFS_FB0_FREE_SCALE "/sys/class/graphics/fb0/free_scale"
20	#define SYSFS_FB1_FREE_SCALE "/sys/class/graphics/fb1/free_scale"
21	#define SYSFS_VIDEO_AXIS "/sys/class/video/axis"
22	#define SYSFS_VIDEOBUFUSED "/sys/class/amstream/videobufused"
23	#define SYSFS_WINDOW_AXIS "/sys/class/graphics/fb0/window_axis"
24
25	namespace android {
26	namespace amlogic {
27
28	class Utils {
29	public:
30	Utils();
31	~Utils();
32
33	static int get_int_prop(const char* prop);
34	static bool get_bool_prop(const char* prop);
35
36	static int getSysfsInt(const char* syspath, int def);
37	static int getSysfsStr(const char* syspath, char *valstr, int size,
38	bool needOriginalData = false);
39	static int setSysfsStr(const char *path, const char *val);
40
41	static bool checkBoolProp(const char* prop);
42	static int32_t checkIntProp(const char* prop);
43	static int32_t checkAndDupFd(int32_t fd);
44	static inline void closeFd(int32_t fd) {
45	if (fd > -1) close(fd);
46	}
47	#if WITH_LIBPLAYER_MODULE
48	static bool checkSysfsStatus(const char* sysfstr, char* lastr, int32_t size);
49	#endif
50	static bool checkOutputMode(char* curmode, int32_t* rate);
51	static bool checkVinfo(framebuffer_info_t *fbinfo);
52
53	static const char* getHotplugUeventEnvelope();
54	static const char* getHdcpUeventEnvelope();
55	static const char* getSwitchState0();
56	static const char* getSwitchState1();
57
58	template <typename T, typename S>
59	static inline bool compareRect(T a, S b) {
60	if ((int32_t)a.left == (int32_t)b.left
61	&& (int32_t)a.top == (int32_t)b.top
62	&& (int32_t)a.right == (int32_t)b.right
63	&& (int32_t)a.bottom == (int32_t)b.bottom) {
64	return true;
65	}
66	return false;
67	}
68	template <typename T, typename S>
69	static inline bool compareSize(T a, S b) {
70	if ((int32_t)(a.right-a.left) == (int32_t)(b.right-b.left)
71	&& (int32_t)(a.bottom-a.top) == (int32_t)(b.bottom-b.top)) {
72	return true;
73	}
74	return false;
75	}
76	template<typename T>
77	inline static T abs(const T& value) {
78	return value < 0 ? - value : value;
79	}
80	template <typename T>
81	static inline T min(T a, T b) {
82	return a<b ? a : b;
83	}
84	template <typename T>
85	static inline T max(T a, T b) {
86	return a>b ? a : b;
87	}
88	template <typename T>
89	static inline void swap(T& a, T& b) {
90	T t = a;
91	a = b;
92	b = t;
93	}
94
95	};
96
97	} // namespace amlogic
98	} // namespace android
99	#endif /* UTILS_H_ */
100