1 /* 2 * Copyright (c) 2013 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 = 0, 51 DISPLAY_EXTERNAL, 52 DISPLAY_TERTIARY, 53 DISPLAY_VIRTUAL, 54 }; 55 56 // External Display states - used in setSecondaryDisplayStatus() 57 // To be consistent with the same defined in hwc_utils.h 58 enum { 59 EXTERNAL_OFFLINE = 0, 60 EXTERNAL_ONLINE, 61 EXTERNAL_PAUSE, 62 EXTERNAL_RESUME, 63 }; 64 65 enum { 66 DISABLE_METADATA_DYN_REFRESH_RATE = 0, 67 ENABLE_METADATA_DYN_REFRESH_RATE, 68 SET_BINDER_DYN_REFRESH_RATE, 69 }; 70 71 enum { 72 DEFAULT_MODE = 0, 73 VIDEO_MODE, 74 COMMAND_MODE, 75 }; 76 77 // Display Attributes that are available to clients of this library 78 // Not to be confused with a similar struct in hwc_utils (in the hwc namespace) 79 typedef struct DisplayAttributes { 80 uint32_t vsync_period; //nanoseconds 81 uint32_t xres; 82 uint32_t yres; 83 float xdpi; 84 float ydpi; 85 char panel_type; DisplayAttributesDisplayAttributes86 DisplayAttributes() : vsync_period(0), xres(0), yres(0), xdpi(0.0f), 87 ydpi(0.0f), panel_type(0) {} 88 } DisplayAttributes_t; 89 90 //============================================================================= 91 // The functions below run in the client process and wherever necessary 92 // do a binder call to HWC to get/set data. 93 94 // Check if external display is connected. Useful to check before making 95 // calls for external displays 96 // Returns 1 if connected, 0 if disconnected, negative values on errors 97 int isExternalConnected(void); 98 99 // Get display vsync period which is in nanoseconds 100 // i.e vsync_period = 1000000000l / fps 101 // Returns 0 on success, negative values on errors 102 int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr); 103 104 // Set HSIC data on a given display ID 105 // Returns 0 on success, negative values on errors 106 int setHSIC(int dpy, const HSICData_t& hsic_data); 107 108 // get the active visible region for the display 109 // Returns 0 on success, negative values on errors 110 int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect); 111 112 // set the view frame information in hwc context from surfaceflinger 113 int setViewFrame(int dpy, int l, int t, int r, int b); 114 115 // Set the secondary display status(pause/resume/offline etc.,) 116 int setSecondaryDisplayStatus(int dpy, uint32_t status); 117 118 // Enable/Disable/Set refresh rate dynamically 119 int configureDynRefreshRate(uint32_t op, uint32_t refreshRate); 120 121 // Returns the number of configs supported for the display on success. 122 // Returns -1 on error. 123 // Only primary display supported for now, value of dpy ignored. 124 int getConfigCount(int dpy); 125 126 // Returns the index of config that is current set for the display on success. 127 // Returns -1 on error. 128 // Only primary display supported for now, value of dpy ignored. 129 int getActiveConfig(int dpy); 130 131 // Sets the config for the display on success and returns 0. 132 // Returns -1 on error. 133 // Only primary display supported for now, value of dpy ignored 134 int setActiveConfig(int configIndex, int dpy); 135 136 // Returns the attributes for the specified config for the display on success. 137 // Returns xres and yres as 0 on error. 138 // Only primary display supported for now, value of dpy ignored 139 DisplayAttributes getDisplayAttributes(int configIndex, int dpy); 140 141 // Set the primary display mode to command or video mode 142 int setDisplayMode(int mode); 143 144 // Sets the panel brightness of the primary display 145 int setPanelBrightness(int level); 146 147 // Retrieves the current panel brightness value 148 int getPanelBrightness(); 149 150 }; //namespace 151 152 #endif 153