1 | /* |
2 | * Copyright © 2008-2017 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 (including the next |
12 | * paragraph) shall be included in all copies or substantial portions of the |
13 | * Software. |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
21 | * IN THE SOFTWARE. |
22 | * |
23 | */ |
24 | |
25 | #ifndef _INTEL_OPREGION_H_ |
26 | #define _INTEL_OPREGION_H_ |
27 | |
28 | #include <linux/pci.h> |
29 | #include <linux/types.h> |
30 | |
31 | struct drm_i915_private; |
32 | struct intel_connector; |
33 | struct intel_encoder; |
34 | |
35 | #ifdef CONFIG_ACPI |
36 | |
37 | int intel_opregion_setup(struct drm_i915_private *dev_priv); |
38 | void intel_opregion_cleanup(struct drm_i915_private *i915); |
39 | |
40 | void intel_opregion_register(struct drm_i915_private *dev_priv); |
41 | void intel_opregion_unregister(struct drm_i915_private *dev_priv); |
42 | |
43 | void intel_opregion_resume(struct drm_i915_private *dev_priv); |
44 | void intel_opregion_suspend(struct drm_i915_private *dev_priv, |
45 | pci_power_t state); |
46 | |
47 | bool intel_opregion_asle_present(struct drm_i915_private *i915); |
48 | void intel_opregion_asle_intr(struct drm_i915_private *dev_priv); |
49 | int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, |
50 | bool enable); |
51 | int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv, |
52 | pci_power_t state); |
53 | int intel_opregion_get_panel_type(struct drm_i915_private *dev_priv); |
54 | const struct drm_edid *intel_opregion_get_edid(struct intel_connector *connector); |
55 | |
56 | const void *intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size); |
57 | |
58 | bool intel_opregion_headless_sku(struct drm_i915_private *i915); |
59 | |
60 | void intel_opregion_debugfs_register(struct drm_i915_private *i915); |
61 | |
62 | #else /* CONFIG_ACPI*/ |
63 | |
64 | static inline int intel_opregion_setup(struct drm_i915_private *dev_priv) |
65 | { |
66 | return 0; |
67 | } |
68 | |
69 | static inline void intel_opregion_cleanup(struct drm_i915_private *i915) |
70 | { |
71 | } |
72 | |
73 | static inline void intel_opregion_register(struct drm_i915_private *dev_priv) |
74 | { |
75 | } |
76 | |
77 | static inline void intel_opregion_unregister(struct drm_i915_private *dev_priv) |
78 | { |
79 | } |
80 | |
81 | static inline void intel_opregion_resume(struct drm_i915_private *dev_priv) |
82 | { |
83 | } |
84 | |
85 | static inline void intel_opregion_suspend(struct drm_i915_private *dev_priv, |
86 | pci_power_t state) |
87 | { |
88 | } |
89 | |
90 | static inline bool intel_opregion_asle_present(struct drm_i915_private *i915) |
91 | { |
92 | return false; |
93 | } |
94 | |
95 | static inline void intel_opregion_asle_intr(struct drm_i915_private *dev_priv) |
96 | { |
97 | } |
98 | |
99 | static inline int |
100 | intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable) |
101 | { |
102 | return 0; |
103 | } |
104 | |
105 | static inline int |
106 | intel_opregion_notify_adapter(struct drm_i915_private *dev, pci_power_t state) |
107 | { |
108 | return 0; |
109 | } |
110 | |
111 | static inline int intel_opregion_get_panel_type(struct drm_i915_private *dev) |
112 | { |
113 | return -ENODEV; |
114 | } |
115 | |
116 | static inline const struct drm_edid * |
117 | intel_opregion_get_edid(struct intel_connector *connector) |
118 | { |
119 | return NULL; |
120 | } |
121 | |
122 | static inline const void * |
123 | intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size) |
124 | { |
125 | return NULL; |
126 | } |
127 | |
128 | static inline bool intel_opregion_headless_sku(struct drm_i915_private *i915) |
129 | { |
130 | return false; |
131 | } |
132 | |
133 | static inline void intel_opregion_debugfs_register(struct drm_i915_private *i915) |
134 | { |
135 | } |
136 | |
137 | #endif /* CONFIG_ACPI */ |
138 | |
139 | #endif |
140 | |