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1 | /* | |
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 | ||
36 | #include <linux/spinlock.h> | |
37 | #include <linux/types.h> | |
38 | #include <linux/idr.h> | |
39 | ||
40 | #include <linux/fb.h> | |
41 | ||
42 | #include <drm/drm_crtc.h> | |
43 | #include <drm/drm_modeset_helper_vtables.h> | |
44 | #include <drm/drm_modeset_helper.h> | |
45 | ||
46 | void drm_helper_disable_unused_functions(struct drm_device *dev); | |
47 | int drm_crtc_helper_set_config(struct drm_mode_set *set, | |
48 | struct drm_modeset_acquire_ctx *ctx); | |
49 | bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, | |
50 | struct drm_display_mode *mode, | |
51 | int x, int y, | |
52 | struct drm_framebuffer *old_fb); | |
53 | bool drm_helper_crtc_in_use(struct drm_crtc *crtc); | |
54 | bool drm_helper_encoder_in_use(struct drm_encoder *encoder); | |
55 | ||
56 | int drm_helper_connector_dpms(struct drm_connector *connector, int mode); | |
57 | ||
58 | void drm_helper_resume_force_mode(struct drm_device *dev); | |
59 | ||
60 | int drm_helper_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
61 | struct drm_display_mode *adjusted_mode, int x, int y, | |
62 | struct drm_framebuffer *old_fb); | |
63 | int drm_helper_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, | |
64 | struct drm_framebuffer *old_fb); | |
65 | ||
66 | /* drm_probe_helper.c */ | |
67 | int drm_helper_probe_single_connector_modes(struct drm_connector | |
68 | *connector, uint32_t maxX, | |
69 | uint32_t maxY); | |
70 | int drm_helper_probe_detect(struct drm_connector *connector, | |
71 | struct drm_modeset_acquire_ctx *ctx, | |
72 | bool force); | |
73 | void drm_kms_helper_poll_init(struct drm_device *dev); | |
74 | void drm_kms_helper_poll_fini(struct drm_device *dev); | |
75 | bool drm_helper_hpd_irq_event(struct drm_device *dev); | |
76 | void drm_kms_helper_hotplug_event(struct drm_device *dev); | |
77 | ||
78 | void drm_kms_helper_poll_disable(struct drm_device *dev); | |
79 | void drm_kms_helper_poll_enable(struct drm_device *dev); | |
80 | bool drm_kms_helper_is_poll_worker(void); | |
81 | ||
82 | #endif |