LXR linux/include/drm/i915

   1/*
   2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   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
   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:
  12 *
  13 * The above copyright notice and this permission notice (including the
  14 * next paragraph) shall be included in all copies or substantial portions
  15 * of the Software.
  16 *
  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.
  24 *
  25 */
  26#ifndef _I915_DRM_H_
  27#define _I915_DRM_H_
  28
  29#include <uapi/drm/i915_drm.h>
  30
  31/* For use by IPS driver */
  32extern unsigned long i915_read_mch_val(void);
  33extern bool i915_gpu_raise(void);
  34extern bool i915_gpu_lower(void);
  35extern bool i915_gpu_busy(void);
  36extern bool i915_gpu_turbo_disable(void);
  37#endif                          /* _I915_DRM_H_ */
  38