1 /* $NetBSD: drm_plane_helper.h,v 1.4 2021/12/18 23:45:46 riastradh Exp $ */ 2 3 /* 4 * Copyright (C) 2011-2013 Intel Corporation 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 */ 25 26 #ifndef DRM_PLANE_HELPER_H 27 #define DRM_PLANE_HELPER_H 28 29 #include <drm/drm_rect.h> 30 #include <drm/drm_crtc.h> 31 #include <drm/drm_modeset_helper_vtables.h> 32 #include <drm/drm_modeset_helper.h> 33 34 /* 35 * Drivers that don't allow primary plane scaling may pass this macro in place 36 * of the min/max scale parameters of the update checker function. 37 * 38 * Due to src being in 16.16 fixed point and dest being in integer pixels, 39 * 1<<16 represents no scaling. 40 */ 41 #define DRM_PLANE_HELPER_NO_SCALING (1<<16) 42 43 void drm_primary_helper_destroy(struct drm_plane *plane); 44 extern const struct drm_plane_funcs drm_primary_helper_funcs; 45 46 #endif 47