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#include <gralloc_priv.h> 30#include <qdMetaData.h> 31#include <mdp_version.h> 32#include <hardware/hwcomposer.h> 33 34// This header is for clients to use to set/get global display configuration 35// The functions in this header run in the client process and wherever necessary 36// do a binder call to HWC to get/set data. 37// Only primary and external displays are supported here. 38// WiFi/virtual displays are not supported. 39 40namespace qdutils { 41 42// Use this enum to specify the dpy parameters where needed 43enum { 44 DISPLAY_PRIMARY = HWC_DISPLAY_PRIMARY, 45 DISPLAY_EXTERNAL = HWC_DISPLAY_EXTERNAL, 46 DISPLAY_VIRTUAL = HWC_DISPLAY_VIRTUAL, 47}; 48 49// External Display states - used in setSecondaryDisplayStatus() 50// To be consistent with the same defined in hwc_utils.h 51enum { 52 EXTERNAL_OFFLINE = 0, 53 EXTERNAL_ONLINE, 54 EXTERNAL_PAUSE, 55 EXTERNAL_RESUME, 56}; 57 58enum { 59 DISABLE_METADATA_DYN_REFRESH_RATE = 0, 60 ENABLE_METADATA_DYN_REFRESH_RATE, 61 SET_BINDER_DYN_REFRESH_RATE, 62}; 63 64// Display Attributes that are available to clients of this library 65// Not to be confused with a similar struct in hwc_utils (in the hwc namespace) 66struct DisplayAttributes_t { 67 uint32_t vsync_period; //nanoseconds 68 uint32_t xres; 69 uint32_t yres; 70 float xdpi; 71 float ydpi; 72 char panel_type; 73}; 74 75// Check if external display is connected. Useful to check before making 76// calls for external displays 77// Returns 1 if connected, 0 if disconnected, negative values on errors 78int isExternalConnected(void); 79 80// Get display vsync period which is in nanoseconds 81// i.e vsync_period = 1000000000l / fps 82// Returns 0 on success, negative values on errors 83int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr); 84 85// Set HSIC data on a given display ID 86// Returns 0 on success, negative values on errors 87int setHSIC(int dpy, const HSICData_t& hsic_data); 88 89// get the active visible region for the display 90// Returns 0 on success, negative values on errors 91int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect); 92 93// set the view frame information in hwc context from surfaceflinger 94int setViewFrame(int dpy, int l, int t, int r, int b); 95 96// Set the secondary display status(pause/resume/offline etc.,) 97int setSecondaryDisplayStatus(int dpy, uint32_t status); 98 99// Enable/Disable/Set refresh rate dynamically 100int configureDynRefreshRate(uint32_t op, uint32_t refreshRate); 101}; //namespace 102