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 40 namespace qdutils { 41 42 // Use this enum to specify the dpy parameters where needed 43 enum { 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 51 enum { 52 EXTERNAL_OFFLINE = 0, 53 EXTERNAL_ONLINE, 54 EXTERNAL_PAUSE, 55 EXTERNAL_RESUME, 56 }; 57 58 enum { 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) 66 struct 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 78 int 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 83 int 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 87 int 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 91 int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect); 92 93 // set the view frame information in hwc context from surfaceflinger 94 int setViewFrame(int dpy, int l, int t, int r, int b); 95 96 // Set the secondary display status(pause/resume/offline etc.,) 97 int setSecondaryDisplayStatus(int dpy, uint32_t status); 98 99 // Enable/Disable/Set refresh rate dynamically 100 int configureDynRefreshRate(uint32_t op, uint32_t refreshRate); 101 }; //namespace 102