1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright © 2006 Keith Packard 3*4882a593Smuzhiyun * Copyright © 2007-2008 Dave Airlie 4*4882a593Smuzhiyun * Copyright © 2007-2008 Intel Corporation 5*4882a593Smuzhiyun * Jesse Barnes <jesse.barnes@intel.com> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a 8*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"), 9*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation 10*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the 12*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions: 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * The above copyright notice and this permission notice shall be included in 15*4882a593Smuzhiyun * all copies or substantial portions of the Software. 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20*4882a593Smuzhiyun * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21*4882a593Smuzhiyun * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22*4882a593Smuzhiyun * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23*4882a593Smuzhiyun * OTHER DEALINGS IN THE SOFTWARE. 24*4882a593Smuzhiyun */ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* 27*4882a593Smuzhiyun * The DRM mode setting helper functions are common code for drivers to use if 28*4882a593Smuzhiyun * they wish. Drivers are not forced to use this code in their 29*4882a593Smuzhiyun * implementations but it would be useful if they code they do use at least 30*4882a593Smuzhiyun * provides a consistent interface and operation to userspace 31*4882a593Smuzhiyun */ 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #ifndef __DRM_CRTC_HELPER_H__ 34*4882a593Smuzhiyun #define __DRM_CRTC_HELPER_H__ 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #include <linux/spinlock.h> 37*4882a593Smuzhiyun #include <linux/types.h> 38*4882a593Smuzhiyun #include <linux/idr.h> 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #include <linux/fb.h> 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #include <drm/drm_crtc.h> 43*4882a593Smuzhiyun #include <drm/drm_modeset_helper_vtables.h> 44*4882a593Smuzhiyun #include <drm/drm_modeset_helper.h> 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun void drm_helper_disable_unused_functions(struct drm_device *dev); 47*4882a593Smuzhiyun int drm_crtc_helper_set_config(struct drm_mode_set *set, 48*4882a593Smuzhiyun struct drm_modeset_acquire_ctx *ctx); 49*4882a593Smuzhiyun bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, 50*4882a593Smuzhiyun struct drm_display_mode *mode, 51*4882a593Smuzhiyun int x, int y, 52*4882a593Smuzhiyun struct drm_framebuffer *old_fb); 53*4882a593Smuzhiyun bool drm_helper_crtc_in_use(struct drm_crtc *crtc); 54*4882a593Smuzhiyun bool drm_helper_encoder_in_use(struct drm_encoder *encoder); 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun int drm_helper_connector_dpms(struct drm_connector *connector, int mode); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun void drm_helper_resume_force_mode(struct drm_device *dev); 59*4882a593Smuzhiyun int drm_helper_force_disable_all(struct drm_device *dev); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #endif 62