1 | /************************************************************************** |
2 | * Copyright (c) 2009-2011, Intel Corporation. |
3 | * All Rights Reserved. |
4 | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a |
6 | * copy of this software and associated documentation files (the "Software"), |
7 | * to deal in the Software without restriction, including without limitation |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
9 | * and/or sell copies of the Software, and to permit persons to whom the |
10 | * Software is furnished to do so, subject to the following conditions: |
11 | * |
12 | * The above copyright notice and this permission notice (including the next |
13 | * paragraph) shall be included in all copies or substantial portions of the |
14 | * Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
22 | * SOFTWARE. |
23 | * |
24 | * Authors: |
25 | * Benjamin Defnet <benjamin.r.defnet@intel.com> |
26 | * Rajesh Poornachandran <rajesh.poornachandran@intel.com> |
27 | * Massively reworked |
28 | * Alan Cox <alan@linux.intel.com> |
29 | */ |
30 | #ifndef _PSB_POWERMGMT_H_ |
31 | #define _PSB_POWERMGMT_H_ |
32 | |
33 | #include <linux/pci.h> |
34 | |
35 | struct device; |
36 | struct drm_device; |
37 | |
38 | void gma_power_init(struct drm_device *dev); |
39 | void gma_power_uninit(struct drm_device *dev); |
40 | |
41 | /* |
42 | * The kernel bus power management will call these functions |
43 | */ |
44 | int gma_power_suspend(struct device *dev); |
45 | int gma_power_resume(struct device *dev); |
46 | |
47 | /* |
48 | * These are the functions the driver should use to wrap all hw access |
49 | * (i.e. register reads and writes) |
50 | */ |
51 | bool gma_power_begin(struct drm_device *dev, bool force); |
52 | void gma_power_end(struct drm_device *dev); |
53 | |
54 | #endif /*_PSB_POWERMGMT_H_*/ |
55 | |