2
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
5
* Permission is hereby granted, free of charge, to any person obtaining a
6
* copy of this software and associated documentation files (the
7
* "Software"), to deal in the Software without restriction, including
8
* without limitation the rights to use, copy, modify, merge, publish,
9
* distribute, sub license, and/or sell copies of the Software, and to
10
* permit persons to whom the Software is furnished to do so, subject to
11
* the following conditions:
13
* The above copyright notice and this permission notice (including the
14
* next paragraph) shall be included in all copies or substantial portions
17
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26
#ifndef _I915_DRM_HSW_H_
27
#define _I915_DRM_HSW_H_
29
/* For use by IPS driver */
30
extern unsigned long i915_hsw_read_mch_val(void);
31
extern bool i915_hsw_gpu_raise(void);
32
extern bool i915_hsw_gpu_lower(void);
33
extern bool i915_hsw_gpu_busy(void);
34
extern bool i915_hsw_gpu_turbo_disable(void);
35
#endif /* _I915_DRM_HSW_H_ */