1f453ba04SDave Airlie /* 2f453ba04SDave Airlie * Copyright © 2006 Keith Packard 3f453ba04SDave Airlie * Copyright © 2007-2008 Dave Airlie 4f453ba04SDave Airlie * Copyright © 2007-2008 Intel Corporation 5f453ba04SDave Airlie * Jesse Barnes <jesse.barnes@intel.com> 6f453ba04SDave Airlie * 7f453ba04SDave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 8f453ba04SDave Airlie * copy of this software and associated documentation files (the "Software"), 9f453ba04SDave Airlie * to deal in the Software without restriction, including without limitation 10f453ba04SDave Airlie * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11f453ba04SDave Airlie * and/or sell copies of the Software, and to permit persons to whom the 12f453ba04SDave Airlie * Software is furnished to do so, subject to the following conditions: 13f453ba04SDave Airlie * 14f453ba04SDave Airlie * The above copyright notice and this permission notice shall be included in 15f453ba04SDave Airlie * all copies or substantial portions of the Software. 16f453ba04SDave Airlie * 17f453ba04SDave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18f453ba04SDave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f453ba04SDave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20f453ba04SDave Airlie * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21f453ba04SDave Airlie * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22f453ba04SDave Airlie * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23f453ba04SDave Airlie * OTHER DEALINGS IN THE SOFTWARE. 24f453ba04SDave Airlie */ 25f453ba04SDave Airlie 26f453ba04SDave Airlie /* 27f453ba04SDave Airlie * The DRM mode setting helper functions are common code for drivers to use if 28f453ba04SDave Airlie * they wish. Drivers are not forced to use this code in their 29f453ba04SDave Airlie * implementations but it would be useful if they code they do use at least 30f453ba04SDave Airlie * provides a consistent interface and operation to userspace 31f453ba04SDave Airlie */ 32f453ba04SDave Airlie 33f453ba04SDave Airlie #ifndef __DRM_CRTC_HELPER_H__ 34f453ba04SDave Airlie #define __DRM_CRTC_HELPER_H__ 35f453ba04SDave Airlie 36f453ba04SDave Airlie #include <linux/types.h> 37f453ba04SDave Airlie 38*21fe352fSThomas Zimmermann struct drm_atomic_state; 39*21fe352fSThomas Zimmermann struct drm_connector; 40*21fe352fSThomas Zimmermann struct drm_crtc; 41*21fe352fSThomas Zimmermann struct drm_device; 42*21fe352fSThomas Zimmermann struct drm_display_mode; 43*21fe352fSThomas Zimmermann struct drm_encoder; 44*21fe352fSThomas Zimmermann struct drm_framebuffer; 45*21fe352fSThomas Zimmermann struct drm_mode_set; 46*21fe352fSThomas Zimmermann struct drm_modeset_acquire_ctx; 47f453ba04SDave Airlie 4891faa047SDaniel Vetter void drm_helper_disable_unused_functions(struct drm_device *dev); 49a4eff9aaSDaniel Vetter int drm_crtc_helper_set_config(struct drm_mode_set *set, 50a4eff9aaSDaniel Vetter struct drm_modeset_acquire_ctx *ctx); 5191faa047SDaniel Vetter bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, 52f453ba04SDave Airlie struct drm_display_mode *mode, 533c4fdcfbSKristian Høgsberg int x, int y, 543c4fdcfbSKristian Høgsberg struct drm_framebuffer *old_fb); 557fed7fa3SJavier Martinez Canillas int drm_crtc_helper_atomic_check(struct drm_crtc *crtc, 567fed7fa3SJavier Martinez Canillas struct drm_atomic_state *state); 5791faa047SDaniel Vetter bool drm_helper_crtc_in_use(struct drm_crtc *crtc); 5891faa047SDaniel Vetter bool drm_helper_encoder_in_use(struct drm_encoder *encoder); 59f453ba04SDave Airlie 6091faa047SDaniel Vetter int drm_helper_connector_dpms(struct drm_connector *connector, int mode); 61c9fb15f6SKeith Packard 6291faa047SDaniel Vetter void drm_helper_resume_force_mode(struct drm_device *dev); 63c2d88e06SDaniel Vetter int drm_helper_force_disable_all(struct drm_device *dev); 648d754544SDaniel Vetter 65f453ba04SDave Airlie #endif 66