include/drm/i915_drm.h

   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 <drm/i915_pciids.h>
  30 #include <uapi/drm/i915_drm.h>
  31
  32 /* For use by IPS driver */
  33 extern unsigned long i915_read_mch_val(void);
  34 extern bool i915_gpu_raise(void);
  35 extern bool i915_gpu_lower(void);
  36 extern bool i915_gpu_busy(void);
  37 extern bool i915_gpu_turbo_disable(void);
  38
  39 /*
  40  * The Bridge device's PCI config space has information about the
  41  * fb aperture size and the amount of pre-reserved memory.
  42  * This is all handled in the intel-gtt.ko module. i915.ko only
  43  * cares about the vga bit for the vga rbiter.
  44  */
  45 #define INTEL_GMCH_CTRL         0x52
  46 #define INTEL_GMCH_VGA_DISABLE  (1 << 1)
  47 #define SNB_GMCH_CTRL           0x50
  48 #define    SNB_GMCH_GGMS_SHIFT  8 /* GTT Graphics Memory Size */
  49 #define    SNB_GMCH_GGMS_MASK   0x3
  50 #define    SNB_GMCH_GMS_SHIFT   3 /* Graphics Mode Select */
  51 #define    SNB_GMCH_GMS_MASK    0x1f
  52
  53 #define I830_GMCH_CTRL                  0x52
  54
  55 #define I855_GMCH_GMS_MASK              0xF0
  56 #define I855_GMCH_GMS_STOLEN_0M         0x0
  57 #define I855_GMCH_GMS_STOLEN_1M         (0x1 << 4)
  58 #define I855_GMCH_GMS_STOLEN_4M         (0x2 << 4)
  59 #define I855_GMCH_GMS_STOLEN_8M         (0x3 << 4)
  60 #define I855_GMCH_GMS_STOLEN_16M        (0x4 << 4)
  61 #define I855_GMCH_GMS_STOLEN_32M        (0x5 << 4)
  62 #define I915_GMCH_GMS_STOLEN_48M        (0x6 << 4)
  63 #define I915_GMCH_GMS_STOLEN_64M        (0x7 << 4)
  64 #define G33_GMCH_GMS_STOLEN_128M        (0x8 << 4)
  65 #define G33_GMCH_GMS_STOLEN_256M        (0x9 << 4)
  66 #define INTEL_GMCH_GMS_STOLEN_96M       (0xa << 4)
  67 #define INTEL_GMCH_GMS_STOLEN_160M      (0xb << 4)
  68 #define INTEL_GMCH_GMS_STOLEN_224M      (0xc << 4)
  69 #define INTEL_GMCH_GMS_STOLEN_352M      (0xd << 4)
  70
  71 #endif                          /* _I915_DRM_H_ */