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opregion.h
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1 /*
2  * Copyright 2012 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
21  * DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #if defined(CONFIG_ACPI)
26 extern void psb_intel_opregion_asle_intr(struct drm_device *dev);
27 extern void psb_intel_opregion_init(struct drm_device *dev);
28 extern void psb_intel_opregion_fini(struct drm_device *dev);
29 extern int psb_intel_opregion_setup(struct drm_device *dev);
30 extern void psb_intel_opregion_enable_asle(struct drm_device *dev);
31 
32 #else
33 
34 extern inline void psb_intel_opregion_asle_intr(struct drm_device *dev)
35 {
36 }
37 
38 extern inline void psb_intel_opregion_init(struct drm_device *dev)
39 {
40 }
41 
42 extern inline void psb_intel_opregion_fini(struct drm_device *dev)
43 {
44 }
45 
46 extern inline int psb_intel_opregion_setup(struct drm_device *dev)
47 {
48  return 0;
49 }
50 
51 extern inline void psb_intel_opregion_enable_asle(struct drm_device *dev)
52 {
53 }
54 #endif