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_fb_helper.c */
36#ifdef CONFIG_DRM_FBDEV_EMULATION
37int drm_fb_helper_modinit(void);
38#else
39static inline int drm_fb_helper_modinit(void)
40{
41	return 0;
42}
43#endif
44
45/* drm_dp_aux_dev.c */
46#ifdef CONFIG_DRM_DP_AUX_CHARDEV
47int drm_dp_aux_dev_init(void);
48void drm_dp_aux_dev_exit(void);
49int drm_dp_aux_register_devnode(struct drm_dp_aux *aux);
50void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux);
51#else
52static inline int drm_dp_aux_dev_init(void)
53{
54	return 0;
55}
56
57static inline void drm_dp_aux_dev_exit(void)
58{
59}
60
61static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
62{
63	return 0;
64}
65
66static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
67{
68}
69#endif
70
71/* drm_probe_helper.c */
72enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
73					 const struct drm_display_mode *mode);
74enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
75					    const struct drm_display_mode *mode);
76enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
77					      struct drm_display_mode *mode);