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1 | /* |
1 | /* |
2 | * Copyright © 2006 Keith Packard |
2 | * Copyright © 2006 Keith Packard |
3 | * Copyright © 2007-2008 Dave Airlie |
3 | * Copyright © 2007-2008 Dave Airlie |
4 | * Copyright © 2007-2008 Intel Corporation |
4 | * Copyright © 2007-2008 Intel Corporation |
5 | * Jesse Barnes |
5 | * Jesse Barnes |
6 | * |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * Permission is hereby granted, free of charge, to any person obtaining a |
8 | * copy of this software and associated documentation files (the "Software"), |
8 | * copy of this software and associated documentation files (the "Software"), |
9 | * to deal in the Software without restriction, including without limitation |
9 | * to deal in the Software without restriction, including without limitation |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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 |
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: |
12 | * Software is furnished to do so, subject to the following conditions: |
13 | * |
13 | * |
14 | * The above copyright notice and this permission notice shall be included in |
14 | * The above copyright notice and this permission notice shall be included in |
15 | * all copies or substantial portions of the Software. |
15 | * all copies or substantial portions of the Software. |
16 | * |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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, |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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 |
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, |
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 |
22 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
23 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * OTHER DEALINGS IN THE SOFTWARE. |
24 | */ |
24 | */ |
25 | 25 | ||
26 | /* |
26 | /* |
27 | * The DRM mode setting helper functions are common code for drivers to use if |
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 |
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 |
29 | * implementations but it would be useful if they code they do use at least |
30 | * provides a consistent interface and operation to userspace |
30 | * provides a consistent interface and operation to userspace |
31 | */ |
31 | */ |
32 | 32 | ||
33 | #ifndef __DRM_CRTC_HELPER_H__ |
33 | #ifndef __DRM_CRTC_HELPER_H__ |
34 | #define __DRM_CRTC_HELPER_H__ |
34 | #define __DRM_CRTC_HELPER_H__ |
35 | 35 | ||
36 | #include |
36 | #include |
37 | #include |
37 | #include |
38 | #include |
38 | #include |
39 | 39 | ||
40 | #include |
40 | #include |
41 | 41 | ||
42 | enum mode_set_atomic { |
42 | enum mode_set_atomic { |
43 | LEAVE_ATOMIC_MODE_SET, |
43 | LEAVE_ATOMIC_MODE_SET, |
44 | ENTER_ATOMIC_MODE_SET, |
44 | ENTER_ATOMIC_MODE_SET, |
45 | }; |
45 | }; |
- | 46 | ||
- | 47 | /** |
|
- | 48 | * drm_crtc_helper_funcs - helper operations for CRTCs |
|
- | 49 | * @mode_fixup: try to fixup proposed mode for this connector |
|
- | 50 | * @mode_set: set this mode |
|
- | 51 | * |
|
- | 52 | * The helper operations are called by the mid-layer CRTC helper. |
|
46 | 53 | */ |
|
47 | struct drm_crtc_helper_funcs { |
54 | struct drm_crtc_helper_funcs { |
48 | /* |
55 | /* |
49 | * Control power levels on the CRTC. If the mode passed in is |
56 | * Control power levels on the CRTC. If the mode passed in is |
50 | * unsupported, the provider must use the next lowest power level. |
57 | * unsupported, the provider must use the next lowest power level. |
51 | */ |
58 | */ |
52 | void (*dpms)(struct drm_crtc *crtc, int mode); |
59 | void (*dpms)(struct drm_crtc *crtc, int mode); |
53 | void (*prepare)(struct drm_crtc *crtc); |
60 | void (*prepare)(struct drm_crtc *crtc); |
54 | void (*commit)(struct drm_crtc *crtc); |
61 | void (*commit)(struct drm_crtc *crtc); |
55 | 62 | ||
56 | /* Provider can fixup or change mode timings before modeset occurs */ |
63 | /* Provider can fixup or change mode timings before modeset occurs */ |
57 | bool (*mode_fixup)(struct drm_crtc *crtc, |
64 | bool (*mode_fixup)(struct drm_crtc *crtc, |
58 | struct drm_display_mode *mode, |
65 | const struct drm_display_mode *mode, |
59 | struct drm_display_mode *adjusted_mode); |
66 | struct drm_display_mode *adjusted_mode); |
60 | /* Actually set the mode */ |
67 | /* Actually set the mode */ |
61 | int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode, |
68 | int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode, |
62 | struct drm_display_mode *adjusted_mode, int x, int y, |
69 | struct drm_display_mode *adjusted_mode, int x, int y, |
63 | struct drm_framebuffer *old_fb); |
70 | struct drm_framebuffer *old_fb); |
64 | 71 | ||
65 | /* Move the crtc on the current fb to the given position *optional* */ |
72 | /* Move the crtc on the current fb to the given position *optional* */ |
66 | int (*mode_set_base)(struct drm_crtc *crtc, int x, int y, |
73 | int (*mode_set_base)(struct drm_crtc *crtc, int x, int y, |
67 | struct drm_framebuffer *old_fb); |
74 | struct drm_framebuffer *old_fb); |
68 | int (*mode_set_base_atomic)(struct drm_crtc *crtc, |
75 | int (*mode_set_base_atomic)(struct drm_crtc *crtc, |
69 | struct drm_framebuffer *fb, int x, int y, |
76 | struct drm_framebuffer *fb, int x, int y, |
70 | enum mode_set_atomic); |
77 | enum mode_set_atomic); |
71 | 78 | ||
72 | /* reload the current crtc LUT */ |
79 | /* reload the current crtc LUT */ |
73 | void (*load_lut)(struct drm_crtc *crtc); |
80 | void (*load_lut)(struct drm_crtc *crtc); |
74 | 81 | ||
75 | /* disable crtc when not in use - more explicit than dpms off */ |
82 | /* disable crtc when not in use - more explicit than dpms off */ |
76 | void (*disable)(struct drm_crtc *crtc); |
83 | void (*disable)(struct drm_crtc *crtc); |
77 | }; |
84 | }; |
- | 85 | ||
- | 86 | /** |
|
- | 87 | * drm_encoder_helper_funcs - helper operations for encoders |
|
- | 88 | * @mode_fixup: try to fixup proposed mode for this connector |
|
- | 89 | * @mode_set: set this mode |
|
- | 90 | * |
|
- | 91 | * The helper operations are called by the mid-layer CRTC helper. |
|
78 | 92 | */ |
|
79 | struct drm_encoder_helper_funcs { |
93 | struct drm_encoder_helper_funcs { |
80 | void (*dpms)(struct drm_encoder *encoder, int mode); |
94 | void (*dpms)(struct drm_encoder *encoder, int mode); |
81 | void (*save)(struct drm_encoder *encoder); |
95 | void (*save)(struct drm_encoder *encoder); |
82 | void (*restore)(struct drm_encoder *encoder); |
96 | void (*restore)(struct drm_encoder *encoder); |
83 | 97 | ||
84 | bool (*mode_fixup)(struct drm_encoder *encoder, |
98 | bool (*mode_fixup)(struct drm_encoder *encoder, |
85 | struct drm_display_mode *mode, |
99 | const struct drm_display_mode *mode, |
86 | struct drm_display_mode *adjusted_mode); |
100 | struct drm_display_mode *adjusted_mode); |
87 | void (*prepare)(struct drm_encoder *encoder); |
101 | void (*prepare)(struct drm_encoder *encoder); |
88 | void (*commit)(struct drm_encoder *encoder); |
102 | void (*commit)(struct drm_encoder *encoder); |
89 | void (*mode_set)(struct drm_encoder *encoder, |
103 | void (*mode_set)(struct drm_encoder *encoder, |
90 | struct drm_display_mode *mode, |
104 | struct drm_display_mode *mode, |
91 | struct drm_display_mode *adjusted_mode); |
105 | struct drm_display_mode *adjusted_mode); |
92 | struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder); |
106 | struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder); |
93 | /* detect for DAC style encoders */ |
107 | /* detect for DAC style encoders */ |
94 | enum drm_connector_status (*detect)(struct drm_encoder *encoder, |
108 | enum drm_connector_status (*detect)(struct drm_encoder *encoder, |
95 | struct drm_connector *connector); |
109 | struct drm_connector *connector); |
96 | /* disable encoder when not in use - more explicit than dpms off */ |
110 | /* disable encoder when not in use - more explicit than dpms off */ |
97 | void (*disable)(struct drm_encoder *encoder); |
111 | void (*disable)(struct drm_encoder *encoder); |
98 | }; |
112 | }; |
- | 113 | ||
- | 114 | /** |
|
- | 115 | * drm_connector_helper_funcs - helper operations for connectors |
|
- | 116 | * @get_modes: get mode list for this connector |
|
- | 117 | * @mode_valid: is this mode valid on the given connector? |
|
- | 118 | * |
|
- | 119 | * The helper operations are called by the mid-layer CRTC helper. |
|
99 | 120 | */ |
|
100 | struct drm_connector_helper_funcs { |
121 | struct drm_connector_helper_funcs { |
101 | int (*get_modes)(struct drm_connector *connector); |
122 | int (*get_modes)(struct drm_connector *connector); |
102 | int (*mode_valid)(struct drm_connector *connector, |
123 | int (*mode_valid)(struct drm_connector *connector, |
103 | struct drm_display_mode *mode); |
124 | struct drm_display_mode *mode); |
104 | struct drm_encoder *(*best_encoder)(struct drm_connector *connector); |
125 | struct drm_encoder *(*best_encoder)(struct drm_connector *connector); |
105 | }; |
126 | }; |
106 | 127 | ||
107 | extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY); |
128 | extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY); |
108 | extern void drm_helper_disable_unused_functions(struct drm_device *dev); |
129 | extern void drm_helper_disable_unused_functions(struct drm_device *dev); |
109 | extern int drm_crtc_helper_set_config(struct drm_mode_set *set); |
130 | extern int drm_crtc_helper_set_config(struct drm_mode_set *set); |
110 | extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, |
131 | extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, |
111 | struct drm_display_mode *mode, |
132 | struct drm_display_mode *mode, |
112 | int x, int y, |
133 | int x, int y, |
113 | struct drm_framebuffer *old_fb); |
134 | struct drm_framebuffer *old_fb); |
114 | extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc); |
135 | extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc); |
115 | extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder); |
136 | extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder); |
116 | 137 | ||
117 | extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode); |
138 | extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode); |
118 | 139 | ||
119 | extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, |
140 | extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, |
120 | struct drm_mode_fb_cmd2 *mode_cmd); |
141 | struct drm_mode_fb_cmd2 *mode_cmd); |
121 | 142 | ||
122 | static inline void drm_crtc_helper_add(struct drm_crtc *crtc, |
143 | static inline void drm_crtc_helper_add(struct drm_crtc *crtc, |
123 | const struct drm_crtc_helper_funcs *funcs) |
144 | const struct drm_crtc_helper_funcs *funcs) |
124 | { |
145 | { |
125 | crtc->helper_private = (void *)funcs; |
146 | crtc->helper_private = (void *)funcs; |
126 | } |
147 | } |
127 | 148 | ||
128 | static inline void drm_encoder_helper_add(struct drm_encoder *encoder, |
149 | static inline void drm_encoder_helper_add(struct drm_encoder *encoder, |
129 | const struct drm_encoder_helper_funcs *funcs) |
150 | const struct drm_encoder_helper_funcs *funcs) |
130 | { |
151 | { |
131 | encoder->helper_private = (void *)funcs; |
152 | encoder->helper_private = (void *)funcs; |
132 | } |
153 | } |
133 | 154 | ||
134 | static inline void drm_connector_helper_add(struct drm_connector *connector, |
155 | static inline void drm_connector_helper_add(struct drm_connector *connector, |
135 | const struct drm_connector_helper_funcs *funcs) |
156 | const struct drm_connector_helper_funcs *funcs) |
136 | { |
157 | { |
137 | connector->helper_private = (void *)funcs; |
158 | connector->helper_private = (void *)funcs; |
138 | } |
159 | } |
139 | 160 | ||
140 | extern int drm_helper_resume_force_mode(struct drm_device *dev); |
161 | extern int drm_helper_resume_force_mode(struct drm_device *dev); |
141 | extern void drm_kms_helper_poll_init(struct drm_device *dev); |
162 | extern void drm_kms_helper_poll_init(struct drm_device *dev); |
142 | extern void drm_kms_helper_poll_fini(struct drm_device *dev); |
163 | extern void drm_kms_helper_poll_fini(struct drm_device *dev); |
143 | extern void drm_helper_hpd_irq_event(struct drm_device *dev); |
164 | extern void drm_helper_hpd_irq_event(struct drm_device *dev); |
144 | 165 | ||
145 | extern void drm_kms_helper_poll_disable(struct drm_device *dev); |
166 | extern void drm_kms_helper_poll_disable(struct drm_device *dev); |
146 | extern void drm_kms_helper_poll_enable(struct drm_device *dev); |
167 | extern void drm_kms_helper_poll_enable(struct drm_device *dev); |
147 | - | ||
148 | extern int drm_format_num_planes(uint32_t format); |
- | |
149 | 168 | ||
150 | #endif |
169 | #endif |