1 /* 2 * Copyright (c) 2013 - 2016 The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation. nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _DISPLAY_CONFIG_H 31 #define _DISPLAY_CONFIG_H 32 33 #include <gralloc_priv.h> 34 #include <qdMetaData.h> 35 #include <hardware/hwcomposer.h> 36 37 // This header is for clients to use to set/get global display configuration. 38 // Only primary and external displays are supported here. 39 40 namespace qdutils { 41 42 43 /* TODO: Have all the common enums that need be exposed to clients and which 44 * are also needed in hwc defined here. Remove such definitions we have in 45 * hwc_utils.h 46 */ 47 48 // Use this enum to specify the dpy parameters where needed 49 enum { 50 DISPLAY_PRIMARY = HWC_DISPLAY_PRIMARY, 51 DISPLAY_EXTERNAL = HWC_DISPLAY_EXTERNAL, 52 #ifdef QTI_BSP 53 DISPLAY_TERTIARY = HWC_DISPLAY_TERTIARY, 54 #endif 55 DISPLAY_VIRTUAL = HWC_DISPLAY_VIRTUAL, 56 }; 57 58 // External Display states - used in setSecondaryDisplayStatus() 59 // To be consistent with the same defined in hwc_utils.h 60 enum { 61 EXTERNAL_OFFLINE = 0, 62 EXTERNAL_ONLINE, 63 EXTERNAL_PAUSE, 64 EXTERNAL_RESUME, 65 }; 66 67 enum { 68 DISABLE_METADATA_DYN_REFRESH_RATE = 0, 69 ENABLE_METADATA_DYN_REFRESH_RATE, 70 SET_BINDER_DYN_REFRESH_RATE, 71 }; 72 73 enum { 74 DEFAULT_MODE = 0, 75 VIDEO_MODE, 76 COMMAND_MODE, 77 }; 78 79 enum { 80 DISPLAY_PORT_DEFAULT = 0, 81 DISPLAY_PORT_DSI, 82 DISPLAY_PORT_DTV, 83 DISPLAY_PORT_WRITEBACK, 84 DISPLAY_PORT_LVDS, 85 DISPLAY_PORT_EDP, 86 DISPLAY_PORT_DP, 87 }; 88 89 // Display Attributes that are available to clients of this library 90 // Not to be confused with a similar struct in hwc_utils (in the hwc namespace) 91 typedef struct DisplayAttributes { 92 uint32_t vsync_period = 0; //nanoseconds 93 uint32_t xres = 0; 94 uint32_t yres = 0; 95 float xdpi = 0.0f; 96 float ydpi = 0.0f; 97 int panel_type = DISPLAY_PORT_DEFAULT; 98 bool is_yuv = false; 99 } DisplayAttributes_t; 100 101 //============================================================================= 102 // The functions below run in the client process and wherever necessary 103 // do a binder call to HWC to get/set data. 104 105 // Check if external display is connected. Useful to check before making 106 // calls for external displays 107 // Returns 1 if connected, 0 if disconnected, negative values on errors 108 int isExternalConnected(void); 109 110 // Get display vsync period which is in nanoseconds 111 // i.e vsync_period = 1000000000l / fps 112 // Returns 0 on success, negative values on errors 113 int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr); 114 115 // Set HSIC data on a given display ID 116 // Returns 0 on success, negative values on errors 117 int setHSIC(int dpy, const HSICData_t& hsic_data); 118 119 // get the active visible region for the display 120 // Returns 0 on success, negative values on errors 121 int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect); 122 123 // set the view frame information in hwc context from surfaceflinger 124 int setViewFrame(int dpy, int l, int t, int r, int b); 125 126 // Set the secondary display status(pause/resume/offline etc.,) 127 int setSecondaryDisplayStatus(int dpy, uint32_t status); 128 129 // Enable/Disable/Set refresh rate dynamically 130 int configureDynRefreshRate(uint32_t op, uint32_t refreshRate); 131 132 // Returns the number of configs supported for the display on success. 133 // Returns -1 on error. 134 // Only primary display supported for now, value of dpy ignored. 135 int getConfigCount(int dpy); 136 137 // Returns the index of config that is current set for the display on success. 138 // Returns -1 on error. 139 // Only primary display supported for now, value of dpy ignored. 140 int getActiveConfig(int dpy); 141 142 // Sets the config for the display on success and returns 0. 143 // Returns -1 on error. 144 // Only primary display supported for now, value of dpy ignored 145 int setActiveConfig(int configIndex, int dpy); 146 147 // Returns the attributes for the specified config for the display on success. 148 // Returns xres and yres as 0 on error. 149 // Only primary display supported for now, value of dpy ignored 150 DisplayAttributes getDisplayAttributes(int configIndex, int dpy); 151 152 // Set the primary display mode to command or video mode 153 int setDisplayMode(int mode); 154 155 // Sets the panel brightness of the primary display 156 int setPanelBrightness(int level); 157 158 // Retrieves the current panel brightness value 159 int getPanelBrightness(); 160 161 }; //namespace 162 163 #endif 164