| Naseer Ahmed | 78c952e | 2013-11-25 18:12:23 -0500 | [diff] [blame^] | 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 | |
| 33 | // This header is for clients to use to set/get global display configuration |
| 34 | // The functions in this header run in the client process and wherever necessary |
| 35 | // do a binder call to HWC to get/set data. |
| 36 | // Only primary and external displays are supported here. |
| 37 | // WiFi/virtual displays are not supported. |
| 38 | |
| 39 | namespace qdutils { |
| 40 | |
| 41 | // Use this enum to specify the dpy parameters where needed |
| 42 | enum { |
| 43 | DISPLAY_PRIMARY = 0, |
| 44 | DISPLAY_EXTERNAL, |
| 45 | }; |
| 46 | |
| 47 | // Display Attributes that are available to clients of this library |
| 48 | // Not to be confused with a similar struct in hwc_utils (in the hwc namespace) |
| 49 | struct DisplayAttributes_t { |
| 50 | uint32_t vsync_period; //nanoseconds |
| 51 | uint32_t xres; |
| 52 | uint32_t yres; |
| 53 | float xdpi; |
| 54 | float ydpi; |
| 55 | char panel_type; |
| 56 | }; |
| 57 | |
| 58 | // Check if external display is connected. Useful to check before making |
| 59 | // calls for external displays |
| 60 | // Returns 1 if connected, 0 if disconnected, negative values on errors |
| 61 | int isExternalConnected(void); |
| 62 | |
| 63 | // Get display vsync period which is in nanoseconds |
| 64 | // i.e vsync_period = 1000000000l / fps |
| 65 | // Returns 0 on success, negative values on errors |
| 66 | int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr); |
| 67 | |
| 68 | // Set HSIC data on a given display ID |
| 69 | // Returns 0 on success, negative values on errors |
| 70 | int setHSIC(int dpy, const HSICData_t& hsic_data); |
| 71 | |
| 72 | }; //namespace |