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.
29 #include <linux/types.h>
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);
38 /* Exported from arch/x86/kernel/early-quirks.c */
39 extern struct resource intel_graphics_stolen_res;
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.
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
59 #define I830_GMCH_CTRL 0x52
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
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)
83 #define I830_DRB3 0x63
84 #define I85X_DRB3 0x43
85 #define I865_TOUD 0xc4
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)
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))
102 #endif /* _I915_DRM_H_ */