1/* 2 * Copyright (c) 2013 - 2016, 2018 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 40namespace 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 49enum { 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 60enum { 61 EXTERNAL_OFFLINE = 0, 62 EXTERNAL_ONLINE, 63 EXTERNAL_PAUSE, 64 EXTERNAL_RESUME, 65}; 66 67enum { 68 DISABLE_METADATA_DYN_REFRESH_RATE = 0, 69 ENABLE_METADATA_DYN_REFRESH_RATE, 70 SET_BINDER_DYN_REFRESH_RATE, 71}; 72 73enum { 74 DEFAULT_MODE = 0, 75 VIDEO_MODE, 76 COMMAND_MODE, 77}; 78 79enum { 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) 91typedef 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 108int 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 113int 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 117int 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 121int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect); 122 123// set the view frame information in hwc context from surfaceflinger 124int setViewFrame(int dpy, int l, int t, int r, int b); 125 126// Set the secondary display status(pause/resume/offline etc.,) 127int setSecondaryDisplayStatus(int dpy, uint32_t status); 128 129// Enable/Disable/Set refresh rate dynamically 130int 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. 135int 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. 140int 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 145int 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 150DisplayAttributes getDisplayAttributes(int configIndex, int dpy); 151 152// Set the primary display mode to command or video mode 153int setDisplayMode(int mode); 154 155// Sets the panel brightness of the primary display 156int setPanelBrightness(int level); 157 158// Retrieves the current panel brightness value 159int getPanelBrightness(); 160 161int setStandByMode(int mode); 162}; //namespace 163 164#endif 165