| 1 | /* |
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| 2 | * Copyright © 2006 Keith Packard |
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| 3 | * Copyright © 2007-2008 Dave Airlie |
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| 4 | * Copyright © 2007-2008 Intel Corporation |
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| 5 | * Jesse Barnes <jesse.barnes@intel.com> |
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| 6 | * |
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 8 | * copy of this software and associated documentation files (the "Software"), |
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| 9 | * to deal in the Software without restriction, including without limitation |
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| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 12 | * Software is furnished to do so, subject to the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice shall be included in |
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| 15 | * all copies or substantial portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 21 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 22 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 23 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | */ |
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| 25 | |
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| 26 | /* |
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| 27 | * The DRM mode setting helper functions are common code for drivers to use if |
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| 28 | * they wish. Drivers are not forced to use this code in their |
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| 29 | * implementations but it would be useful if they code they do use at least |
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| 30 | * provides a consistent interface and operation to userspace |
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| 31 | */ |
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| 32 | |
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| 33 | #ifndef __DRM_CRTC_HELPER_H__ |
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| 34 | #define __DRM_CRTC_HELPER_H__ |
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| 35 | |
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| 36 | #include <linux/types.h> |
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| 37 | |
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| 38 | struct drm_atomic_state; |
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| 39 | struct drm_connector; |
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| 40 | struct drm_crtc; |
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| 41 | struct drm_device; |
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| 42 | struct drm_display_mode; |
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| 43 | struct drm_encoder; |
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| 44 | struct drm_framebuffer; |
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| 45 | struct drm_mode_set; |
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| 46 | struct drm_modeset_acquire_ctx; |
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| 47 | |
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| 48 | void drm_helper_disable_unused_functions(struct drm_device *dev); |
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| 49 | int drm_crtc_helper_set_config(struct drm_mode_set *set, |
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| 50 | struct drm_modeset_acquire_ctx *ctx); |
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| 51 | bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, |
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| 52 | struct drm_display_mode *mode, |
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| 53 | int x, int y, |
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| 54 | struct drm_framebuffer *old_fb); |
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| 55 | int drm_crtc_helper_atomic_check(struct drm_crtc *crtc, |
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| 56 | struct drm_atomic_state *state); |
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| 57 | bool drm_helper_crtc_in_use(struct drm_crtc *crtc); |
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| 58 | bool drm_helper_encoder_in_use(struct drm_encoder *encoder); |
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| 59 | |
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| 60 | int drm_helper_connector_dpms(struct drm_connector *connector, int mode); |
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| 61 | |
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| 62 | void drm_helper_resume_force_mode(struct drm_device *dev); |
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| 63 | int drm_helper_force_disable_all(struct drm_device *dev); |
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| 64 | |
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| 65 | #endif |
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| 66 | |
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