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Dave Airlief453ba02008-11-07 14:05:41 -08001/*
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
Dave Airlief453ba02008-11-07 14:05:41 -080036#include <linux/spinlock.h>
37#include <linux/types.h>
38#include <linux/idr.h>
39
40#include <linux/fb.h>
41
Thierry Reding6d11a2f2014-12-17 16:41:42 +010042#include <drm/drm_crtc.h>
Daniel Vetter092d01d2015-12-04 09:45:44 +010043#include <drm/drm_modeset_helper_vtables.h>
Daniel Vetter1de72fa2016-08-12 22:48:39 +020044#include <drm/drm_modeset_helper.h>
Dave Airlief453ba02008-11-07 14:05:41 -080045
Dave Airlief453ba02008-11-07 14:05:41 -080046extern void drm_helper_disable_unused_functions(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -080047extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
48extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
49 struct drm_display_mode *mode,
Kristian Høgsberg3c4fdcf2008-12-17 22:14:46 -050050 int x, int y,
51 struct drm_framebuffer *old_fb);
Dave Airlief453ba02008-11-07 14:05:41 -080052extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
Maarten Maathuisf380ef82009-08-19 00:56:44 +020053extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
Dave Airlief453ba02008-11-07 14:05:41 -080054
Maarten Lankhorst9a69a9a2015-07-21 11:34:55 +020055extern int drm_helper_connector_dpms(struct drm_connector *connector, int mode);
Keith Packardc9fb15f2009-05-30 20:42:28 -070056
Daniel Vetter00d762c2014-01-23 22:28:30 +010057extern void drm_helper_resume_force_mode(struct drm_device *dev);
Daniel Vetter8d754542014-04-10 10:51:11 +020058
Daniel Vetter2f324b42014-10-29 11:13:47 +010059int drm_helper_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
60 struct drm_display_mode *adjusted_mode, int x, int y,
61 struct drm_framebuffer *old_fb);
62int drm_helper_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
63 struct drm_framebuffer *old_fb);
64
Daniel Vetter8d754542014-04-10 10:51:11 +020065/* drm_probe_helper.c */
66extern int drm_helper_probe_single_connector_modes(struct drm_connector
67 *connector, uint32_t maxX,
68 uint32_t maxY);
Dave Airlieeb1f8e42010-05-07 06:42:51 +000069extern void drm_kms_helper_poll_init(struct drm_device *dev);
70extern void drm_kms_helper_poll_fini(struct drm_device *dev);
Marc-André Lureaub8206d32013-10-18 16:11:28 +020071extern bool drm_helper_hpd_irq_event(struct drm_device *dev);
Daniel Vetter3d3683f2012-10-23 18:23:32 +000072extern void drm_kms_helper_hotplug_event(struct drm_device *dev);
Dave Airliefbf81762010-06-01 09:09:06 +100073
74extern void drm_kms_helper_poll_disable(struct drm_device *dev);
75extern void drm_kms_helper_poll_enable(struct drm_device *dev);
Egbert Eich4ad640e2015-09-23 16:13:00 +020076extern void drm_kms_helper_poll_enable_locked(struct drm_device *dev);
Ville Syrjäläd0d110e2011-12-20 00:33:24 +020077
Dave Airlief453ba02008-11-07 14:05:41 -080078#endif