include/drm/intel/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 <linux/types.h>
  30
  31 /* For use by IPS driver */
  32 unsigned long i915_read_mch_val(void);
  33 bool i915_gpu_raise(void);
  34 bool i915_gpu_lower(void);
  35 bool i915_gpu_busy(void);
  36 bool i915_gpu_turbo_disable(void);
  37
  38 /* Exported from arch/x86/kernel/early-quirks.c */
  39 extern struct resource intel_graphics_stolen_res;
  40
  41 /*
  42  * The Bridge device's PCI config space has information about the
  43  * fb aperture size and the amount of pre-reserved memory.
  44  * This is all handled in the intel-gtt.ko module. i915.ko only
  45  * cares about the vga bit for the vga arbiter.
  46  */
  47 #define INTEL_GMCH_CTRL         0x52
  48 #define INTEL_GMCH_VGA_DISABLE  (1 << 1)
  49 #define SNB_GMCH_CTRL           0x50
  50 #define    SNB_GMCH_GGMS_SHIFT  8 /* GTT Graphics Memory Size */
  51 #define    SNB_GMCH_GGMS_MASK   0x3
  52 #define    SNB_GMCH_GMS_SHIFT   3 /* Graphics Mode Select */
  53 #define    SNB_GMCH_GMS_MASK    0x1f
  54 #define    BDW_GMCH_GGMS_SHIFT  6
  55 #define    BDW_GMCH_GGMS_MASK   0x3
  56 #define    BDW_GMCH_GMS_SHIFT   8
  57 #define    BDW_GMCH_GMS_MASK    0xff
  58
  59 #define I830_GMCH_CTRL                  0x52
  60
  61 #define I830_GMCH_GMS_MASK              0x70
  62 #define I830_GMCH_GMS_LOCAL             0x10
  63 #define I830_GMCH_GMS_STOLEN_512        0x20
  64 #define I830_GMCH_GMS_STOLEN_1024       0x30
  65 #define I830_GMCH_GMS_STOLEN_8192       0x40
  66
  67 #define I855_GMCH_GMS_MASK              0xF0
  68 #define I855_GMCH_GMS_STOLEN_0M         0x0
  69 #define I855_GMCH_GMS_STOLEN_1M         (0x1 << 4)
  70 #define I855_GMCH_GMS_STOLEN_4M         (0x2 << 4)
  71 #define I855_GMCH_GMS_STOLEN_8M         (0x3 << 4)
  72 #define I855_GMCH_GMS_STOLEN_16M        (0x4 << 4)
  73 #define I855_GMCH_GMS_STOLEN_32M        (0x5 << 4)
  74 #define I915_GMCH_GMS_STOLEN_48M        (0x6 << 4)
  75 #define I915_GMCH_GMS_STOLEN_64M        (0x7 << 4)
  76 #define G33_GMCH_GMS_STOLEN_128M        (0x8 << 4)
  77 #define G33_GMCH_GMS_STOLEN_256M        (0x9 << 4)
  78 #define INTEL_GMCH_GMS_STOLEN_96M       (0xa << 4)
  79 #define INTEL_GMCH_GMS_STOLEN_160M      (0xb << 4)
  80 #define INTEL_GMCH_GMS_STOLEN_224M      (0xc << 4)
  81 #define INTEL_GMCH_GMS_STOLEN_352M      (0xd << 4)
  82
  83 #define I830_DRB3               0x63
  84 #define I85X_DRB3               0x43
  85 #define I865_TOUD               0xc4
  86
  87 #define I830_ESMRAMC            0x91
  88 #define I845_ESMRAMC            0x9e
  89 #define I85X_ESMRAMC            0x61
  90 #define    TSEG_ENABLE          (1 << 0)
  91 #define    I830_TSEG_SIZE_512K  (0 << 1)
  92 #define    I830_TSEG_SIZE_1M    (1 << 1)
  93 #define    I845_TSEG_SIZE_MASK  (3 << 1)
  94 #define    I845_TSEG_SIZE_512K  (2 << 1)
  95 #define    I845_TSEG_SIZE_1M    (3 << 1)
  96
  97 #define INTEL_BSM               0x5c
  98 #define INTEL_GEN11_BSM_DW0     0xc0
  99 #define INTEL_GEN11_BSM_DW1     0xc4
 100 #define   INTEL_BSM_MASK        (-(1u << 20))
 101
 102 #endif                          /* _I915_DRM_H_ */