1 /* 2 * Copyright (C) 2011-2013 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 24 #ifndef DRM_PLANE_HELPER_H 25 #define DRM_PLANE_HELPER_H 26 27 #include <linux/types.h> 28 29 struct drm_atomic_state; 30 struct drm_crtc; 31 struct drm_framebuffer; 32 struct drm_modeset_acquire_ctx; 33 struct drm_plane; 34 35 int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc, 36 struct drm_framebuffer *fb, 37 int crtc_x, int crtc_y, 38 unsigned int crtc_w, unsigned int crtc_h, 39 uint32_t src_x, uint32_t src_y, 40 uint32_t src_w, uint32_t src_h, 41 struct drm_modeset_acquire_ctx *ctx); 42 int drm_plane_helper_disable_primary(struct drm_plane *plane, 43 struct drm_modeset_acquire_ctx *ctx); 44 void drm_plane_helper_destroy(struct drm_plane *plane); 45 int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state); 46 47 /** 48 * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers 49 * 50 * This macro initializes plane functions for non-atomic drivers to default 51 * values. Non-atomic interfaces are deprecated and should not be used in new 52 * drivers. 53 */ 54 #define DRM_PLANE_NON_ATOMIC_FUNCS \ 55 .update_plane = drm_plane_helper_update_primary, \ 56 .disable_plane = drm_plane_helper_disable_primary, \ 57 .destroy = drm_plane_helper_destroy 58 59 #endif 60