1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sublicense, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject to 10 * the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial 14 * portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 */ 25 26 #ifndef LIBWESTON_BACKEND_HDI_HDI_BACKEND_H 27 #define LIBWESTON_BACKEND_HDI_HDI_BACKEND_H 28 29 #include <display_device.h> 30 #include <display_layer.h> 31 #include <display_gralloc.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #include "libinput-seat.h" 38 #include "libweston/libweston.h" 39 #include "libweston/backend.h" 40 #include "linux-dmabuf.h" 41 42 struct weston_hdi_backend_config; 43 44 enum hdi_renderer_type { 45 HDI_RENDERER_HDI, 46 }; 47 48 struct hdi_backend { 49 struct weston_backend base; 50 struct weston_compositor *compositor; 51 enum hdi_renderer_type renderer_type; 52 DeviceFuncs *device_funcs; 53 LayerFuncs *layer_funcs; 54 GrallocFuncs *gralloc_funcs; 55 struct udev_input input; 56 struct udev *udev; 57 }; 58 59 struct hdi_pending_state { 60 struct hdi_backend *backend; 61 int device_id; 62 BufferHandle *framebuffer; 63 }; 64 65 struct hdi_backend * 66 to_hdi_backend(struct weston_compositor *base); 67 68 struct hdi_backend * 69 hdi_backend_create(struct weston_compositor *compositor, 70 struct weston_hdi_backend_config *config); 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif // LIBWESTON_BACKEND_HDI_HDI_BACKEND_H 77