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 /* Exported from arch/x86/kernel/early-quirks.c */ 40 extern struct resource intel_graphics_stolen_res; 41 42 /* 43 * The Bridge device's PCI config space has information about the 44 * fb aperture size and the amount of pre-reserved memory. 45 * This is all handled in the intel-gtt.ko module. i915.ko only 46 * cares about the vga bit for the vga rbiter. 47 */ 48 #define INTEL_GMCH_CTRL 0x52 49 #define INTEL_GMCH_VGA_DISABLE (1 << 1) 50 #define SNB_GMCH_CTRL 0x50 51 #define SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */ 52 #define SNB_GMCH_GGMS_MASK 0x3 53 #define SNB_GMCH_GMS_SHIFT 3 /* Graphics Mode Select */ 54 #define SNB_GMCH_GMS_MASK 0x1f 55 #define BDW_GMCH_GGMS_SHIFT 6 56 #define BDW_GMCH_GGMS_MASK 0x3 57 #define BDW_GMCH_GMS_SHIFT 8 58 #define BDW_GMCH_GMS_MASK 0xff 59 60 #define I830_GMCH_CTRL 0x52 61 62 #define I830_GMCH_GMS_MASK 0x70 63 #define I830_GMCH_GMS_LOCAL 0x10 64 #define I830_GMCH_GMS_STOLEN_512 0x20 65 #define I830_GMCH_GMS_STOLEN_1024 0x30 66 #define I830_GMCH_GMS_STOLEN_8192 0x40 67 68 #define I855_GMCH_GMS_MASK 0xF0 69 #define I855_GMCH_GMS_STOLEN_0M 0x0 70 #define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) 71 #define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) 72 #define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) 73 #define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) 74 #define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) 75 #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) 76 #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) 77 #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) 78 #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) 79 #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) 80 #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) 81 #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) 82 #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) 83 84 #define I830_DRB3 0x63 85 #define I85X_DRB3 0x43 86 #define I865_TOUD 0xc4 87 88 #define I830_ESMRAMC 0x91 89 #define I845_ESMRAMC 0x9e 90 #define I85X_ESMRAMC 0x61 91 #define TSEG_ENABLE (1 << 0) 92 #define I830_TSEG_SIZE_512K (0 << 1) 93 #define I830_TSEG_SIZE_1M (1 << 1) 94 #define I845_TSEG_SIZE_MASK (3 << 1) 95 #define I845_TSEG_SIZE_512K (2 << 1) 96 #define I845_TSEG_SIZE_1M (3 << 1) 97 98 #define INTEL_BSM 0x5c 99 #define INTEL_GEN11_BSM_DW0 0xc0 100 #define INTEL_GEN11_BSM_DW1 0xc4 101 #define INTEL_BSM_MASK (-(1u << 20)) 102 103 enum port { 104 PORT_NONE = -1, 105 106 PORT_A = 0, 107 PORT_B, 108 PORT_C, 109 PORT_D, 110 PORT_E, 111 PORT_F, 112 PORT_G, 113 PORT_H, 114 PORT_I, 115 116 I915_MAX_PORTS 117 }; 118 119 #define port_name(p) ((p) + 'A') 120 121 #endif /* _I915_DRM_H_ */ 122