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 */
32unsigned long i915_read_mch_val(void);
33bool i915_gpu_raise(void);
34bool i915_gpu_lower(void);
35bool i915_gpu_busy(void);
36bool i915_gpu_turbo_disable(void);
37
38/* Exported from arch/x86/kernel/early-quirks.c */
39extern 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_ */
103