blob: 6894dfb8248b363fd239100eede2ac95f2aaf034
| 1 | /* |
| 2 | // Copyright (c) 2016 Amlogic |
| 3 | // |
| 4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | // you may not use this file except in compliance with the License. |
| 6 | // You may obtain a copy of the License at |
| 7 | // |
| 8 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | // |
| 10 | // Unless required by applicable law or agreed to in writing, software |
| 11 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | // See the License for the specific language governing permissions and |
| 14 | // limitations under the License. |
| 15 | // |
| 16 | */ |
| 17 | |
| 18 | #ifndef UTILS_H_ |
| 19 | #define UTILS_H_ |
| 20 | |
| 21 | #include <Amavutils.h> |
| 22 | #include <hardware/hwcomposer_defs.h> |
| 23 | |
| 24 | #define DISPLAY_HPD_STATE "/sys/class/amhdmitx/amhdmitx0/hpd_state" |
| 25 | #define DISPLAY_HDMI_EDID "/sys/class/amhdmitx/amhdmitx0/disp_cap" |
| 26 | #define SYSFS_AMVIDEO_CURIDX "/sys/module/amvideo/parameters/cur_dev_idx" |
| 27 | #define SYSFS_DISPLAY_MODE "/sys/class/display/mode" |
| 28 | #define SYSFS_DISPLAY1_MODE "/sys/class/display/mode" |
| 29 | #define SYSFS_DISPLAY2_MODE "/sys/class/display2/mode" |
| 30 | #define SYSFS_FB0_FREE_SCALE "/sys/class/graphics/fb0/free_scale" |
| 31 | #define SYSFS_FB1_FREE_SCALE "/sys/class/graphics/fb1/free_scale" |
| 32 | #define SYSFS_VIDEO_AXIS "/sys/class/video/axis" |
| 33 | #define SYSFS_VIDEOBUFUSED "/sys/class/amstream/videobufused" |
| 34 | #define SYSFS_WINDOW_AXIS "/sys/class/graphics/fb0/window_axis" |
| 35 | |
| 36 | namespace android { |
| 37 | namespace amlogic { |
| 38 | |
| 39 | class Utils { |
| 40 | public: |
| 41 | Utils(); |
| 42 | ~Utils(); |
| 43 | |
| 44 | static int get_int_prop(const char* prop); |
| 45 | static bool get_bool_prop(const char* prop); |
| 46 | |
| 47 | static int getSysfsInt(const char* syspath, int def); |
| 48 | static int getSysfsStr(const char* syspath, char *valstr, int size, |
| 49 | bool needOriginalData = false); |
| 50 | static int setSysfsStr(const char *path, const char *val); |
| 51 | |
| 52 | static bool checkBoolProp(const char* prop); |
| 53 | static int32_t checkIntProp(const char* prop); |
| 54 | static int32_t checkAndDupFd(int32_t fd); |
| 55 | static inline void closeFd(int32_t fd) { |
| 56 | if (fd > -1) close(fd); |
| 57 | } |
| 58 | static bool checkSysfsStatus(const char* sysfstr, char* lastr, int32_t size); |
| 59 | |
| 60 | static const char* getHotplugUeventEnvelope(); |
| 61 | static const char* getHdcpUeventEnvelope(); |
| 62 | static const char* getSwitchState0(); |
| 63 | static const char* getSwitchState1(); |
| 64 | |
| 65 | template <typename T, typename S> |
| 66 | static inline bool compareRect(T a, S b) { |
| 67 | if ((int32_t)a.left == (int32_t)b.left |
| 68 | && (int32_t)a.top == (int32_t)b.top |
| 69 | && (int32_t)a.right == (int32_t)b.right |
| 70 | && (int32_t)a.bottom == (int32_t)b.bottom) { |
| 71 | return true; |
| 72 | } |
| 73 | return false; |
| 74 | } |
| 75 | template <typename T, typename S> |
| 76 | static inline bool compareSize(T a, S b) { |
| 77 | if ((int32_t)(a.right-a.left) == (int32_t)(b.right-b.left) |
| 78 | && (int32_t)(a.bottom-a.top) == (int32_t)(b.bottom-b.top)) { |
| 79 | return true; |
| 80 | } |
| 81 | return false; |
| 82 | } |
| 83 | template<typename T> |
| 84 | inline static T abs(const T& value) { |
| 85 | return value < 0 ? - value : value; |
| 86 | } |
| 87 | template <typename T> |
| 88 | static inline T min(T a, T b) { |
| 89 | return a<b ? a : b; |
| 90 | } |
| 91 | template <typename T> |
| 92 | static inline T max(T a, T b) { |
| 93 | return a>b ? a : b; |
| 94 | } |
| 95 | template <typename T> |
| 96 | static inline void swap(T& a, T& b) { |
| 97 | T t = a; |
| 98 | a = b; |
| 99 | b = t; |
| 100 | } |
| 101 | |
| 102 | /* |
| 103 | * hwc_rect_t operation |
| 104 | */ |
| 105 | enum OVERLAP_TYPE{ |
| 106 | OVERLAP_EMPTY = 0, |
| 107 | OVERLAP_PART, |
| 108 | OVERLAP_FULL |
| 109 | }; |
| 110 | |
| 111 | static bool rectEmpty(hwc_rect_t& rect); |
| 112 | static bool rectIntersect(hwc_rect_t& source, hwc_rect_t& dest, hwc_rect_t& result); |
| 113 | static OVERLAP_TYPE rectOverlap(hwc_rect_t& source, hwc_rect_t& dest); |
| 114 | }; |
| 115 | |
| 116 | } // namespace amlogic |
| 117 | } // namespace android |
| 118 | #endif /* UTILS_H_ */ |
| 119 |