Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Texas Instruments Incorporated - http://www.ti.com/ |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
| 19 | #include <condition_variable> |
| 20 | #include <mutex> |
| 21 | |
| 22 | #include <cstdbool> |
| 23 | #include <cstdint> |
| 24 | |
| 25 | #include <hardware/hwcomposer.h> |
| 26 | #include <kms++/kms++.h> |
| 27 | |
| 28 | #include <xf86drm.h> |
| 29 | #include <xf86drmMode.h> |
| 30 | |
| 31 | #include "drmfb.h" |
| 32 | |
| 33 | #define MAX_DISPLAYS 4 |
| 34 | #define DSS_AVAILABLE_PIPES 4 |
| 35 | |
| 36 | typedef struct display_config { |
| 37 | unsigned int xres; |
| 38 | unsigned int yres; |
| 39 | unsigned int fps; |
| 40 | unsigned int xdpi; |
| 41 | unsigned int ydpi; |
| 42 | } display_config_t; |
| 43 | |
| 44 | enum disp_role { |
| 45 | DISP_ROLE_PRIMARY = 0, |
| 46 | DISP_ROLE_SECONDARY, |
| 47 | }; |
| 48 | |
| 49 | typedef struct drm_plane_props { |
| 50 | hwc_layer_1_t* layer; |
| 51 | |
| 52 | kms::Plane* plane; |
| 53 | uint64_t crtc_id; |
| 54 | |
| 55 | uint64_t crtc_x; |
| 56 | uint64_t crtc_y; |
| 57 | uint64_t crtc_w; |
| 58 | uint64_t crtc_h; |
| 59 | uint64_t src_x; |
| 60 | uint64_t src_y; |
| 61 | uint64_t src_w; |
| 62 | uint64_t src_h; |
| 63 | |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 64 | DRMFramebuffer* fb_info; |
| 65 | } drm_plane_props_t; |
| 66 | |
| 67 | class KMSDisplay { |
| 68 | public: |
| 69 | KMSDisplay() : |
| 70 | card(NULL), |
| 71 | con(NULL), |
| 72 | crtc(NULL), |
| 73 | mode() {} |
| 74 | |
| 75 | kms::Card* card; |
| 76 | kms::Connector* con; |
| 77 | kms::Crtc* crtc; |
| 78 | kms::Videomode mode; |
| 79 | }; |
| 80 | |
| 81 | class HWCDisplay |
| 82 | { |
| 83 | public: |
| 84 | HWCDisplay(enum disp_role role); |
| 85 | ~HWCDisplay(){}; |
| 86 | |
| 87 | void setup_composition_pipes(); |
| 88 | |
| 89 | int update_display(drm_plane_props_t* planeProp); |
| 90 | |
| 91 | std::vector<display_config_t> configs; |
| 92 | uint32_t active_config; |
| 93 | |
| 94 | enum disp_role role; |
| 95 | |
| 96 | drm_plane_props_t planeProps[DSS_AVAILABLE_PIPES]; |
| 97 | |
| 98 | KMSDisplay disp_link; |
| 99 | |
| 100 | const hwc_procs_t* cb_procs; |
| 101 | |
| 102 | bool is_dummy; |
| 103 | |
| 104 | int set_vsync_state(bool state); |
| 105 | void blank(int blank); |
| 106 | int get_display_configs(uint32_t* configs, size_t* numConfigs); |
| 107 | int get_display_attributes(uint32_t cfg, const uint32_t* attributes, int32_t* values); |
| 108 | |
| 109 | static void page_flip_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void* data); |
| 110 | static void vblank_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void* data); |
| 111 | |
| 112 | private: |
| 113 | std::vector<DRMFramebuffer*> pending_fb_infos; |
| 114 | std::vector<DRMFramebuffer*> current_fb_infos; |
| 115 | |
| 116 | bool vsync_on; |
| 117 | bool blanked; |
| 118 | |
| 119 | std::mutex mutex; |
| 120 | std::condition_variable cond_flip; |
| 121 | volatile bool is_flip_pending; |
| 122 | }; |