diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-05 04:50:33 -0500 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-05 04:50:33 -0500 |
commit | 353816f43d1fb340ff2d9a911dd5d0799c09f6a5 (patch) | |
tree | 517290fd884d286fe2971137ac89f89e3567785a /include/drm/drm_crtc_helper.h | |
parent | 160bbab3000dafccbe43688e48208cecf4deb879 (diff) | |
parent | fe0bdec68b77020281dc814805edfe594ae89e0f (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/arm/mach-pxa/corgi.c
arch/arm/mach-pxa/poodle.c
arch/arm/mach-pxa/spitz.c
Diffstat (limited to 'include/drm/drm_crtc_helper.h')
-rw-r--r-- | include/drm/drm_crtc_helper.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h new file mode 100644 index 000000000000..4bc04cf460a7 --- /dev/null +++ b/include/drm/drm_crtc_helper.h | |||
@@ -0,0 +1,124 @@ | |||
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/i2c.h> | ||
37 | #include <linux/spinlock.h> | ||
38 | #include <linux/types.h> | ||
39 | #include <linux/idr.h> | ||
40 | |||
41 | #include <linux/fb.h> | ||
42 | |||
43 | struct drm_crtc_helper_funcs { | ||
44 | /* | ||
45 | * Control power levels on the CRTC. If the mode passed in is | ||
46 | * unsupported, the provider must use the next lowest power level. | ||
47 | */ | ||
48 | void (*dpms)(struct drm_crtc *crtc, int mode); | ||
49 | void (*prepare)(struct drm_crtc *crtc); | ||
50 | void (*commit)(struct drm_crtc *crtc); | ||
51 | |||
52 | /* Provider can fixup or change mode timings before modeset occurs */ | ||
53 | bool (*mode_fixup)(struct drm_crtc *crtc, | ||
54 | struct drm_display_mode *mode, | ||
55 | struct drm_display_mode *adjusted_mode); | ||
56 | /* Actually set the mode */ | ||
57 | void (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode, | ||
58 | struct drm_display_mode *adjusted_mode, int x, int y, | ||
59 | struct drm_framebuffer *old_fb); | ||
60 | |||
61 | /* Move the crtc on the current fb to the given position *optional* */ | ||
62 | void (*mode_set_base)(struct drm_crtc *crtc, int x, int y, | ||
63 | struct drm_framebuffer *old_fb); | ||
64 | }; | ||
65 | |||
66 | struct drm_encoder_helper_funcs { | ||
67 | void (*dpms)(struct drm_encoder *encoder, int mode); | ||
68 | void (*save)(struct drm_encoder *encoder); | ||
69 | void (*restore)(struct drm_encoder *encoder); | ||
70 | |||
71 | bool (*mode_fixup)(struct drm_encoder *encoder, | ||
72 | struct drm_display_mode *mode, | ||
73 | struct drm_display_mode *adjusted_mode); | ||
74 | void (*prepare)(struct drm_encoder *encoder); | ||
75 | void (*commit)(struct drm_encoder *encoder); | ||
76 | void (*mode_set)(struct drm_encoder *encoder, | ||
77 | struct drm_display_mode *mode, | ||
78 | struct drm_display_mode *adjusted_mode); | ||
79 | /* detect for DAC style encoders */ | ||
80 | enum drm_connector_status (*detect)(struct drm_encoder *encoder, | ||
81 | struct drm_connector *connector); | ||
82 | }; | ||
83 | |||
84 | struct drm_connector_helper_funcs { | ||
85 | int (*get_modes)(struct drm_connector *connector); | ||
86 | int (*mode_valid)(struct drm_connector *connector, | ||
87 | struct drm_display_mode *mode); | ||
88 | struct drm_encoder *(*best_encoder)(struct drm_connector *connector); | ||
89 | }; | ||
90 | |||
91 | extern void drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY); | ||
92 | extern void drm_helper_disable_unused_functions(struct drm_device *dev); | ||
93 | extern int drm_helper_hotplug_stage_two(struct drm_device *dev); | ||
94 | extern bool drm_helper_initial_config(struct drm_device *dev, bool can_grow); | ||
95 | extern int drm_crtc_helper_set_config(struct drm_mode_set *set); | ||
96 | extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, | ||
97 | struct drm_display_mode *mode, | ||
98 | int x, int y, | ||
99 | struct drm_framebuffer *old_fb); | ||
100 | extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc); | ||
101 | |||
102 | extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, | ||
103 | struct drm_mode_fb_cmd *mode_cmd); | ||
104 | |||
105 | static inline void drm_crtc_helper_add(struct drm_crtc *crtc, | ||
106 | const struct drm_crtc_helper_funcs *funcs) | ||
107 | { | ||
108 | crtc->helper_private = (void *)funcs; | ||
109 | } | ||
110 | |||
111 | static inline void drm_encoder_helper_add(struct drm_encoder *encoder, | ||
112 | const struct drm_encoder_helper_funcs *funcs) | ||
113 | { | ||
114 | encoder->helper_private = (void *)funcs; | ||
115 | } | ||
116 | |||
117 | static inline void drm_connector_helper_add(struct drm_connector *connector, | ||
118 | const struct drm_connector_helper_funcs *funcs) | ||
119 | { | ||
120 | connector->helper_private = (void *)funcs; | ||
121 | } | ||
122 | |||
123 | extern int drm_helper_resume_force_mode(struct drm_device *dev); | ||
124 | #endif | ||