1 /* exynos_drm_crtc.h 2 * 3 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 4 * Authors: 5 * Inki Dae <inki.dae@samsung.com> 6 * Joonyoung Shim <jy0922.shim@samsung.com> 7 * Seung-Woo Kim <sw0312.kim@samsung.com> 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the next 17 * paragraph) shall be included in all copies or substantial portions of the 18 * Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 */ 28 29 #ifndef _EXYNOS_DRM_CRTC_H_ 30 #define _EXYNOS_DRM_CRTC_H_ 31 32 struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev, 33 struct drm_crtc *crtc); 34 int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr); 35 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc); 36 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); 37 38 /* 39 * Exynos specific crtc postion structure. 40 * 41 * @fb_x: offset x on a framebuffer to be displyed 42 * - the unit is screen coordinates. 43 * @fb_y: offset y on a framebuffer to be displayed 44 * - the unit is screen coordinates. 45 * @crtc_x: offset x on hardware screen. 46 * @crtc_y: offset y on hardware screen. 47 * @crtc_w: width of hardware screen. 48 * @crtc_h: height of hardware screen. 49 */ 50 struct exynos_drm_crtc_pos { 51 unsigned int fb_x; 52 unsigned int fb_y; 53 unsigned int crtc_x; 54 unsigned int crtc_y; 55 unsigned int crtc_w; 56 unsigned int crtc_h; 57 }; 58 59 int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, 60 struct drm_framebuffer *fb, 61 struct drm_display_mode *mode, 62 struct exynos_drm_crtc_pos *pos); 63 #endif 64