1/*
 2 * Copyright © 2016 Intel Corporation
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a
 5 * copy of this software and associated documentation files (the "Software"),
 6 * to deal in the Software without restriction, including without limitation
 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8 * and/or sell copies of the Software, and to permit persons to whom the
 9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23/*
24 * This header file contains mode setting related functions and definitions
25 * which are only used within the drm kms helper module as internal
26 * implementation details and are not exported to drivers.
27 */
28
29#include <drm/drm_connector.h>
30#include <drm/drm_crtc.h>
31#include <drm/drm_dp_helper.h>
32#include <drm/drm_encoder.h>
33#include <drm/drm_modes.h>
34
35/* drm_dp_aux_dev.c */
36#ifdef CONFIG_DRM_DP_AUX_CHARDEV
37int drm_dp_aux_dev_init(void);
38void drm_dp_aux_dev_exit(void);
39int drm_dp_aux_register_devnode(struct drm_dp_aux *aux);
40void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux);
41#else
42static inline int drm_dp_aux_dev_init(void)
43{
44	return 0;
45}
46
47static inline void drm_dp_aux_dev_exit(void)
48{
49}
50
51static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
52{
53	return 0;
54}
55
56static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
57{
58}
59#endif
60
61/* drm_probe_helper.c */
62enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
63					 const struct drm_display_mode *mode);
64enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
65					    const struct drm_display_mode *mode);
66int
67drm_connector_mode_valid(struct drm_connector *connector,
68			 struct drm_display_mode *mode,
69			 struct drm_modeset_acquire_ctx *ctx,
70			 enum drm_mode_status *status);
71
72struct drm_encoder *
73drm_connector_get_single_encoder(struct drm_connector *connector);