1 /* 2 * Copyright © 2006 Keith Packard 3 * Copyright © 2007-2008 Dave Airlie 4 * Copyright © 2007-2008 Intel Corporation 5 * Jesse Barnes <jesse.barnes@intel.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 /* 27 * The DRM mode setting helper functions are common code for drivers to use if 28 * they wish. Drivers are not forced to use this code in their 29 * implementations but it would be useful if they code they do use at least 30 * provides a consistent interface and operation to userspace 31 */ 32 33 #ifndef __DRM_CRTC_HELPER_H__ 34 #define __DRM_CRTC_HELPER_H__ 35 36 #include <linux/types.h> 37 38 struct drm_atomic_state; 39 struct drm_connector; 40 struct drm_crtc; 41 struct drm_device; 42 struct drm_display_mode; 43 struct drm_encoder; 44 struct drm_framebuffer; 45 struct drm_mode_set; 46 struct drm_modeset_acquire_ctx; 47 48 void drm_helper_disable_unused_functions(struct drm_device *dev); 49 int drm_crtc_helper_set_config(struct drm_mode_set *set, 50 struct drm_modeset_acquire_ctx *ctx); 51 bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, 52 struct drm_display_mode *mode, 53 int x, int y, 54 struct drm_framebuffer *old_fb); 55 int drm_crtc_helper_atomic_check(struct drm_crtc *crtc, 56 struct drm_atomic_state *state); 57 bool drm_helper_crtc_in_use(struct drm_crtc *crtc); 58 bool drm_helper_encoder_in_use(struct drm_encoder *encoder); 59 60 int drm_helper_connector_dpms(struct drm_connector *connector, int mode); 61 62 void drm_helper_resume_force_mode(struct drm_device *dev); 63 int drm_helper_force_disable_all(struct drm_device *dev); 64 65 #endif 66